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+/*********************************************************************
+ *
+ * Filename: parameters.h
+ * Version: 1.0
+ * Description: A more general way to handle (pi,pl,pv) parameters
+ * Status: Experimental.
+ * Author: Dag Brattli <dagb@cs.uit.no>
+ * Created at: Mon Jun 7 08:47:28 1999
+ * Modified at: Sun Jan 30 14:05:14 2000
+ * Modified by: Dag Brattli <dagb@cs.uit.no>
+ *
+ * Copyright (c) 1999-2000 Dag Brattli, All Rights Reserved.
+ *
+ * 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 of
+ * the License, 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
+ *
+ * Michel Dänzer <daenzer@debian.org>, 10/2001
+ * - simplify irda_pv_t to avoid endianness issues
+ *
+ ********************************************************************/
+
+#ifndef IRDA_PARAMS_H
+#define IRDA_PARAMS_H
+
+/*
+ * The currently supported types. Beware not to change the sequence since
+ * it a good reason why the sized integers has a value equal to their size
+ */
+typedef enum {
+ PV_INTEGER, /* Integer of any (pl) length */
+ PV_INT_8_BITS, /* Integer of 8 bits in length */
+ PV_INT_16_BITS, /* Integer of 16 bits in length */
+ PV_STRING, /* \0 terminated string */
+ PV_INT_32_BITS, /* Integer of 32 bits in length */
+ PV_OCT_SEQ, /* Octet sequence */
+ PV_NO_VALUE /* Does not contain any value (pl=0) */
+} PV_TYPE;
+
+/* Bit 7 of type field */
+#define PV_BIG_ENDIAN 0x80
+#define PV_LITTLE_ENDIAN 0x00
+#define PV_MASK 0x7f /* To mask away endian bit */
+
+#define PV_PUT 0
+#define PV_GET 1
+
+typedef union {
+ char *c;
+ __u32 i;
+ __u32 *ip;
+} irda_pv_t;
+
+typedef struct {
+ __u8 pi;
+ __u8 pl;
+ irda_pv_t pv;
+} irda_param_t;
+
+typedef int (*PI_HANDLER)(void *self, irda_param_t *param, int get);
+typedef int (*PV_HANDLER)(void *self, __u8 *buf, int len, __u8 pi,
+ PV_TYPE type, PI_HANDLER func);
+
+typedef struct {
+ PI_HANDLER func; /* Handler for this parameter identifier */
+ PV_TYPE type; /* Data type for this parameter */
+} pi_minor_info_t;
+
+typedef struct {
+ pi_minor_info_t *pi_minor_call_table;
+ int len;
+} pi_major_info_t;
+
+typedef struct {
+ pi_major_info_t *tables;
+ int len;
+ __u8 pi_mask;
+ int pi_major_offset;
+} pi_param_info_t;
+
+int irda_param_pack(__u8 *buf, char *fmt, ...);
+
+int irda_param_insert(void *self, __u8 pi, __u8 *buf, int len,
+ pi_param_info_t *info);
+int irda_param_extract_all(void *self, __u8 *buf, int len,
+ pi_param_info_t *info);
+
+#define irda_param_insert_byte(buf,pi,pv) irda_param_pack(buf,"bbb",pi,1,pv)
+
+#endif /* IRDA_PARAMS_H */
+
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