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Index of /configAHR/Jump/0-coastlinecompg/FSS-OZR/root/sys/module/drm/holders
Index of /configAHR/Jump/0-coastlinecompg/FSS-OZR/root/sys/module/drm/holders
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File not found.
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h 0
q _I|+ D /* SPDX-License-Identifier: GPL-2.0 */
/*
* hdlcdrv.h -- HDLC packet radio network driver.
* The Linux soundcard driver for 1200 baud and 9600 baud packet radio
* (C) 1996-1998 by Thomas Sailer, HB9JNX/AE4WA
*/
#ifndef _HDLCDRV_H
#define _HDLCDRV_H
#include
#include
#include
#include
#define HDLCDRV_MAGIC 0x5ac6e778
#define HDLCDRV_HDLCBUFFER 32 /* should be a power of 2 for speed reasons */
#define HDLCDRV_BITBUFFER 256 /* should be a power of 2 for speed reasons */
#undef HDLCDRV_LOOPBACK /* define for HDLC debugging purposes */
#define HDLCDRV_DEBUG
/* maximum packet length, excluding CRC */
#define HDLCDRV_MAXFLEN 400
struct hdlcdrv_hdlcbuffer {
spinlock_t lock;
unsigned rd, wr;
unsigned short buf[HDLCDRV_HDLCBUFFER];
};
#ifdef HDLCDRV_DEBUG
struct hdlcdrv_bitbuffer {
unsigned int rd;
unsigned int wr;
unsigned int shreg;
unsigned char buffer[HDLCDRV_BITBUFFER];
};
static inline void hdlcdrv_add_bitbuffer(struct hdlcdrv_bitbuffer *buf,
unsigned int bit)
{
unsigned char new;
new = buf->shreg & 1;
buf->shreg >>= 1;
buf->shreg |= (!!bit) << 7;
if (new) {
buf->buffer[buf->wr] = buf->shreg;
buf->wr = (buf->wr+1) % sizeof(buf->buffer);
buf->shreg = 0x80;
}
}
static inline void hdlcdrv_add_bitbuffer_word(struct hdlcdrv_bitbuffer *buf,
unsigned int bits)
{
buf->buffer[buf->wr] = bits & 0xff;
buf->wr = (buf->wr+1) % sizeof(buf->buffer);
buf->buffer[buf->wr] = (bits >> 8) & 0xff;
buf->wr = (buf->wr+1) % sizeof(buf->buffer);
}
#endif /* HDLCDRV_DEBUG */
/* -------------------------------------------------------------------- */
/*
* Information that need to be kept for each driver.
*/
struct hdlcdrv_ops {
/*
* first some informations needed by the hdlcdrv routines
*/
const char *drvname;
const char *drvinfo;
/*
* the routines called by the hdlcdrv routines
*/
int (*open)(struct net_device *);
int (*close)(struct net_device *);
int (*ioctl)(struct net_device *, void __user *,
struct hdlcdrv_ioctl *, int);
};
struct hdlcdrv_state {
int magic;
int opened;
const struct hdlcdrv_ops *ops;
struct {
int bitrate;
} par;
struct hdlcdrv_pttoutput {
int dma2;
int seriobase;
int pariobase;
int midiiobase;
un