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1da177e4 LT |
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 | * | |
121e70b6 | 29 | * Michel Dänzer <daenzer@debian.org>, 10/2001 |
1da177e4 LT |
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 |