1 /*********************************************************************
2 *
3 * Filename: parameters.h
4 * Version: 1.0
5 * Description: A more general way to handle (pi,pl,pv) parameters
6 * Status: Experimental.
7 * Author: Dag Brattli <dagb@cs.uit.no>
8 * Created at: Mon Jun 7 08:47:28 1999
9 * Modified at: Sun Jan 30 14:05:14 2000
10 * Modified by: Dag Brattli <dagb@cs.uit.no>
11 *
12 * Copyright (c) 1999-2000 Dag Brattli, All Rights Reserved.
13 *
14 * This program is free software; you can redistribute it and/or
15 * modify it under the terms of the GNU General Public License as
16 * published by the Free Software Foundation; either version 2 of
17 * the License, or (at your option) any later version.
18 *
19 * This program is distributed in the hope that it will be useful,
20 * but WITHOUT ANY WARRANTY; without even the implied warranty of
21 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
22 * GNU General Public License for more details.
23 *
24 * You should have received a copy of the GNU General Public License
25 * along with this program; if not, write to the Free Software
26 * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
27 * MA 02111-1307 USA
28 *
29 * Michel Dänzer <daenzer@debian.org>, 10/2001
30 * - simplify irda_pv_t to avoid endianness issues
31 *
32 ********************************************************************/
33
34 #ifndef IRDA_PARAMS_H
35 #define IRDA_PARAMS_H
36
37 /*
38 * The currently supported types. Beware not to change the sequence since
39 * it a good reason why the sized integers has a value equal to their size
40 */
41 typedef enum {
42 PV_INTEGER, /* Integer of any (pl) length */
43 PV_INT_8_BITS, /* Integer of 8 bits in length */
44 PV_INT_16_BITS, /* Integer of 16 bits in length */
45 PV_STRING, /* \0 terminated string */
46 PV_INT_32_BITS, /* Integer of 32 bits in length */
47 PV_OCT_SEQ, /* Octet sequence */
48 PV_NO_VALUE /* Does not contain any value (pl=0) */
49 } PV_TYPE;
50
51 /* Bit 7 of type field */
52 #define PV_BIG_ENDIAN 0x80
53 #define PV_LITTLE_ENDIAN 0x00
54 #define PV_MASK 0x7f /* To mask away endian bit */
55
56 #define PV_PUT 0
57 #define PV_GET 1
58
59 typedef union {
60 char *c;
61 __u32 i;
62 __u32 *ip;
63 } irda_pv_t;
64
65 typedef struct {
66 __u8 pi;
67 __u8 pl;
68 irda_pv_t pv;
69 } irda_param_t;
70
71 typedef int (*PI_HANDLER)(void *self, irda_param_t *param, int get);
72 typedef int (*PV_HANDLER)(void *self, __u8 *buf, int len, __u8 pi,
73 PV_TYPE type, PI_HANDLER func);
74
75 typedef struct {
76 PI_HANDLER func; /* Handler for this parameter identifier */
77 PV_TYPE type; /* Data type for this parameter */
78 } pi_minor_info_t;
79
80 typedef struct {
81 pi_minor_info_t *pi_minor_call_table;
82 int len;
83 } pi_major_info_t;
84
85 typedef struct {
86 pi_major_info_t *tables;
87 int len;
88 __u8 pi_mask;
89 int pi_major_offset;
90 } pi_param_info_t;
91
92 int irda_param_pack(__u8 *buf, char *fmt, ...);
93
94 int irda_param_insert(void *self, __u8 pi, __u8 *buf, int len,
95 pi_param_info_t *info);
96 int irda_param_extract_all(void *self, __u8 *buf, int len,
97 pi_param_info_t *info);
98
99 #define irda_param_insert_byte(buf,pi,pv) irda_param_pack(buf,"bbb",pi,1,pv)
100
101 #endif /* IRDA_PARAMS_H */
102
103
|
This page was automatically generated by the
LXR engine.
|