diff options
Diffstat (limited to 'ANDROID_3.4.5/include/linux/hdlcdrv.h')
-rw-r--r-- | ANDROID_3.4.5/include/linux/hdlcdrv.h | 377 |
1 files changed, 0 insertions, 377 deletions
diff --git a/ANDROID_3.4.5/include/linux/hdlcdrv.h b/ANDROID_3.4.5/include/linux/hdlcdrv.h deleted file mode 100644 index c010b4a7..00000000 --- a/ANDROID_3.4.5/include/linux/hdlcdrv.h +++ /dev/null @@ -1,377 +0,0 @@ -/* - * 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 - -/* -------------------------------------------------------------------- */ -/* - * structs for the IOCTL commands - */ - -struct hdlcdrv_params { - int iobase; - int irq; - int dma; - int dma2; - int seriobase; - int pariobase; - int midiiobase; -}; - -struct hdlcdrv_channel_params { - int tx_delay; /* the transmitter keyup delay in 10ms units */ - int tx_tail; /* the transmitter keyoff delay in 10ms units */ - int slottime; /* the slottime in 10ms; usually 10 = 100ms */ - int ppersist; /* the p-persistence 0..255 */ - int fulldup; /* some driver do not support full duplex, setting */ - /* this just makes them send even if DCD is on */ -}; - -struct hdlcdrv_old_channel_state { - int ptt; - int dcd; - int ptt_keyed; -}; - -struct hdlcdrv_channel_state { - int ptt; - int dcd; - int ptt_keyed; - unsigned long tx_packets; - unsigned long tx_errors; - unsigned long rx_packets; - unsigned long rx_errors; -}; - -struct hdlcdrv_ioctl { - int cmd; - union { - struct hdlcdrv_params mp; - struct hdlcdrv_channel_params cp; - struct hdlcdrv_channel_state cs; - struct hdlcdrv_old_channel_state ocs; - unsigned int calibrate; - unsigned char bits; - char modename[128]; - char drivername[32]; - } data; -}; - -/* -------------------------------------------------------------------- */ - -/* - * ioctl values - */ -#define HDLCDRVCTL_GETMODEMPAR 0 -#define HDLCDRVCTL_SETMODEMPAR 1 -#define HDLCDRVCTL_MODEMPARMASK 2 /* not handled by hdlcdrv */ -#define HDLCDRVCTL_GETCHANNELPAR 10 -#define HDLCDRVCTL_SETCHANNELPAR 11 -#define HDLCDRVCTL_OLDGETSTAT 20 -#define HDLCDRVCTL_CALIBRATE 21 -#define HDLCDRVCTL_GETSTAT 22 - -/* - * these are mainly for debugging purposes - */ -#define HDLCDRVCTL_GETSAMPLES 30 -#define HDLCDRVCTL_GETBITS 31 - -/* - * not handled by hdlcdrv, but by its depending drivers - */ -#define HDLCDRVCTL_GETMODE 40 -#define HDLCDRVCTL_SETMODE 41 -#define HDLCDRVCTL_MODELIST 42 -#define HDLCDRVCTL_DRIVERNAME 43 - -/* - * mask of needed modem parameters, returned by HDLCDRVCTL_MODEMPARMASK - */ -#define HDLCDRV_PARMASK_IOBASE (1<<0) -#define HDLCDRV_PARMASK_IRQ (1<<1) -#define HDLCDRV_PARMASK_DMA (1<<2) -#define HDLCDRV_PARMASK_DMA2 (1<<3) -#define HDLCDRV_PARMASK_SERIOBASE (1<<4) -#define HDLCDRV_PARMASK_PARIOBASE (1<<5) -#define HDLCDRV_PARMASK_MIDIIOBASE (1<<6) - -/* -------------------------------------------------------------------- */ - -#ifdef __KERNEL__ - -#include <linux/netdevice.h> -#include <linux/if.h> -#include <linux/spinlock.h> - -#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 *, struct ifreq *, - 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; - unsigned int flags; - } ptt_out; - - struct hdlcdrv_channel_params ch_params; - - struct hdlcdrv_hdlcrx { - struct hdlcdrv_hdlcbuffer hbuf; - unsigned long in_hdlc_rx; - /* 0 = sync hunt, != 0 receiving */ - int rx_state; - unsigned int bitstream; - unsigned int bitbuf; - int numbits; - unsigned char dcd; - - int len; - unsigned char *bp; - unsigned char buffer[HDLCDRV_MAXFLEN+2]; - } hdlcrx; - - struct hdlcdrv_hdlctx { - struct hdlcdrv_hdlcbuffer hbuf; - unsigned long in_hdlc_tx; - /* - * 0 = send flags - * 1 = send txtail (flags) - * 2 = send packet - */ - int tx_state; - int numflags; - unsigned int bitstream; - unsigned char ptt; - int calibrate; - int slotcnt; - - unsigned int bitbuf; - int numbits; - - int len; - unsigned char *bp; - unsigned char buffer[HDLCDRV_MAXFLEN+2]; - } hdlctx; - -#ifdef HDLCDRV_DEBUG - struct hdlcdrv_bitbuffer bitbuf_channel; - struct hdlcdrv_bitbuffer bitbuf_hdlc; -#endif /* HDLCDRV_DEBUG */ - - int ptt_keyed; - - /* queued skb for transmission */ - struct sk_buff *skb; -}; - - -/* -------------------------------------------------------------------- */ - -static inline int hdlcdrv_hbuf_full(struct hdlcdrv_hdlcbuffer *hb) -{ - unsigned long flags; - int ret; - - spin_lock_irqsave(&hb->lock, flags); - ret = !((HDLCDRV_HDLCBUFFER - 1 + hb->rd - hb->wr) % HDLCDRV_HDLCBUFFER); - spin_unlock_irqrestore(&hb->lock, flags); - return ret; -} - -/* -------------------------------------------------------------------- */ - -static inline int hdlcdrv_hbuf_empty(struct hdlcdrv_hdlcbuffer *hb) -{ - unsigned long flags; - int ret; - - spin_lock_irqsave(&hb->lock, flags); - ret = (hb->rd == hb->wr); - spin_unlock_irqrestore(&hb->lock, flags); - return ret; -} - -/* -------------------------------------------------------------------- */ - -static inline unsigned short hdlcdrv_hbuf_get(struct hdlcdrv_hdlcbuffer *hb) -{ - unsigned long flags; - unsigned short val; - unsigned newr; - - spin_lock_irqsave(&hb->lock, flags); - if (hb->rd == hb->wr) - val = 0; - else { - newr = (hb->rd+1) % HDLCDRV_HDLCBUFFER; - val = hb->buf[hb->rd]; - hb->rd = newr; - } - spin_unlock_irqrestore(&hb->lock, flags); - return val; -} - -/* -------------------------------------------------------------------- */ - -static inline void hdlcdrv_hbuf_put(struct hdlcdrv_hdlcbuffer *hb, - unsigned short val) -{ - unsigned newp; - unsigned long flags; - - spin_lock_irqsave(&hb->lock, flags); - newp = (hb->wr+1) % HDLCDRV_HDLCBUFFER; - if (newp != hb->rd) { - hb->buf[hb->wr] = val & 0xffff; - hb->wr = newp; - } - spin_unlock_irqrestore(&hb->lock, flags); -} - -/* -------------------------------------------------------------------- */ - -static inline void hdlcdrv_putbits(struct hdlcdrv_state *s, unsigned int bits) -{ - hdlcdrv_hbuf_put(&s->hdlcrx.hbuf, bits); -} - -static inline unsigned int hdlcdrv_getbits(struct hdlcdrv_state *s) -{ - unsigned int ret; - - if (hdlcdrv_hbuf_empty(&s->hdlctx.hbuf)) { - if (s->hdlctx.calibrate > 0) - s->hdlctx.calibrate--; - else - s->hdlctx.ptt = 0; - ret = 0; - } else - ret = hdlcdrv_hbuf_get(&s->hdlctx.hbuf); -#ifdef HDLCDRV_LOOPBACK - hdlcdrv_hbuf_put(&s->hdlcrx.hbuf, ret); -#endif /* HDLCDRV_LOOPBACK */ - return ret; -} - -static inline void hdlcdrv_channelbit(struct hdlcdrv_state *s, unsigned int bit) -{ -#ifdef HDLCDRV_DEBUG - hdlcdrv_add_bitbuffer(&s->bitbuf_channel, bit); -#endif /* HDLCDRV_DEBUG */ -} - -static inline void hdlcdrv_setdcd(struct hdlcdrv_state *s, int dcd) -{ - s->hdlcrx.dcd = !!dcd; -} - -static inline int hdlcdrv_ptt(struct hdlcdrv_state *s) -{ - return s->hdlctx.ptt || (s->hdlctx.calibrate > 0); -} - -/* -------------------------------------------------------------------- */ - -void hdlcdrv_receiver(struct net_device *, struct hdlcdrv_state *); -void hdlcdrv_transmitter(struct net_device *, struct hdlcdrv_state *); -void hdlcdrv_arbitrate(struct net_device *, struct hdlcdrv_state *); -struct net_device *hdlcdrv_register(const struct hdlcdrv_ops *ops, - unsigned int privsize, const char *ifname, - unsigned int baseaddr, unsigned int irq, - unsigned int dma); -void hdlcdrv_unregister(struct net_device *dev); - -/* -------------------------------------------------------------------- */ - - - -#endif /* __KERNEL__ */ - -/* -------------------------------------------------------------------- */ - -#endif /* _HDLCDRV_H */ - -/* -------------------------------------------------------------------- */ |