Lines Matching refs:hdlctx
274 if (test_and_set_bit(0, &s->hdlctx.in_hdlc_tx)) in hdlcdrv_transmitter()
277 if (s->hdlctx.numbits >= 16) { in hdlcdrv_transmitter()
278 if (hdlcdrv_hbuf_full(&s->hdlctx.hbuf)) { in hdlcdrv_transmitter()
279 clear_bit(0, &s->hdlctx.in_hdlc_tx); in hdlcdrv_transmitter()
282 hdlcdrv_hbuf_put(&s->hdlctx.hbuf, s->hdlctx.bitbuf); in hdlcdrv_transmitter()
283 s->hdlctx.bitbuf >>= 16; in hdlcdrv_transmitter()
284 s->hdlctx.numbits -= 16; in hdlcdrv_transmitter()
286 switch (s->hdlctx.tx_state) { in hdlcdrv_transmitter()
288 clear_bit(0, &s->hdlctx.in_hdlc_tx); in hdlcdrv_transmitter()
292 if (s->hdlctx.numflags) { in hdlcdrv_transmitter()
293 s->hdlctx.numflags--; in hdlcdrv_transmitter()
294 s->hdlctx.bitbuf |= in hdlcdrv_transmitter()
295 0x7e7e << s->hdlctx.numbits; in hdlcdrv_transmitter()
296 s->hdlctx.numbits += 16; in hdlcdrv_transmitter()
299 if (s->hdlctx.tx_state == 1) { in hdlcdrv_transmitter()
300 clear_bit(0, &s->hdlctx.in_hdlc_tx); in hdlcdrv_transmitter()
307 s->hdlctx.tx_state = 1; in hdlcdrv_transmitter()
308 s->hdlctx.numflags = flgs; in hdlcdrv_transmitter()
315 s->hdlctx.tx_state = 0; in hdlcdrv_transmitter()
316 s->hdlctx.numflags = 1; in hdlcdrv_transmitter()
321 s->hdlctx.buffer, in hdlcdrv_transmitter()
324 s->hdlctx.bp = s->hdlctx.buffer; in hdlcdrv_transmitter()
325 append_crc_ccitt(s->hdlctx.buffer, pkt_len); in hdlcdrv_transmitter()
326 s->hdlctx.len = pkt_len+2; /* the appended CRC */ in hdlcdrv_transmitter()
327 s->hdlctx.tx_state = 2; in hdlcdrv_transmitter()
328 s->hdlctx.bitstream = 0; in hdlcdrv_transmitter()
332 if (!s->hdlctx.len) { in hdlcdrv_transmitter()
333 s->hdlctx.tx_state = 0; in hdlcdrv_transmitter()
334 s->hdlctx.numflags = 1; in hdlcdrv_transmitter()
337 s->hdlctx.len--; in hdlcdrv_transmitter()
338 s->hdlctx.bitbuf |= *s->hdlctx.bp << in hdlcdrv_transmitter()
339 s->hdlctx.numbits; in hdlcdrv_transmitter()
340 s->hdlctx.bitstream >>= 8; in hdlcdrv_transmitter()
341 s->hdlctx.bitstream |= (*s->hdlctx.bp++) << 16; in hdlcdrv_transmitter()
344 mask3 = 0xffffffff >> (31-s->hdlctx.numbits); in hdlcdrv_transmitter()
345 s->hdlctx.numbits += 8; in hdlcdrv_transmitter()
348 if ((s->hdlctx.bitstream & mask1) != mask1) in hdlcdrv_transmitter()
350 s->hdlctx.bitstream &= ~mask2; in hdlcdrv_transmitter()
351 s->hdlctx.bitbuf = in hdlcdrv_transmitter()
352 (s->hdlctx.bitbuf & mask3) | in hdlcdrv_transmitter()
353 ((s->hdlctx.bitbuf & in hdlcdrv_transmitter()
355 s->hdlctx.numbits++; in hdlcdrv_transmitter()
367 s->hdlctx.tx_state = 0; in start_tx()
368 s->hdlctx.numflags = tenms_to_2flags(s, s->ch_params.tx_delay); in start_tx()
369 s->hdlctx.bitbuf = s->hdlctx.bitstream = s->hdlctx.numbits = 0; in start_tx()
371 s->hdlctx.ptt = 1; in start_tx()
379 if (!s || s->magic != HDLCDRV_MAGIC || s->hdlctx.ptt || !s->skb) in hdlcdrv_arbitrate()
386 s->hdlctx.slotcnt = s->ch_params.slottime; in hdlcdrv_arbitrate()
389 if ((--s->hdlctx.slotcnt) > 0) in hdlcdrv_arbitrate()
391 s->hdlctx.slotcnt = s->ch_params.slottime; in hdlcdrv_arbitrate()
459 s->hdlctx.hbuf.rd = s->hdlctx.hbuf.wr = 0; in hdlcdrv_open()
460 s->hdlctx.in_hdlc_tx = 0; in hdlcdrv_open()
461 s->hdlctx.tx_state = 1; in hdlcdrv_open()
462 s->hdlctx.numflags = 0; in hdlcdrv_open()
463 s->hdlctx.bitstream = s->hdlctx.bitbuf = s->hdlctx.numbits = 0; in hdlcdrv_open()
464 s->hdlctx.ptt = 0; in hdlcdrv_open()
465 s->hdlctx.slotcnt = s->ch_params.slottime; in hdlcdrv_open()
466 s->hdlctx.calibrate = 0; in hdlcdrv_open()
533 s->hdlctx.slotcnt = 1; in hdlcdrv_ioctl()
579 s->hdlctx.calibrate = bi.data.calibrate * s->par.bitrate / 16; in hdlcdrv_ioctl()
655 spin_lock_init(&s->hdlctx.hbuf.lock); in hdlcdrv_setup()
656 s->hdlctx.hbuf.rd = s->hdlctx.hbuf.wr = 0; in hdlcdrv_setup()
657 s->hdlctx.in_hdlc_tx = 0; in hdlcdrv_setup()
658 s->hdlctx.tx_state = 1; in hdlcdrv_setup()
659 s->hdlctx.numflags = 0; in hdlcdrv_setup()
660 s->hdlctx.bitstream = s->hdlctx.bitbuf = s->hdlctx.numbits = 0; in hdlcdrv_setup()
661 s->hdlctx.ptt = 0; in hdlcdrv_setup()
662 s->hdlctx.slotcnt = s->ch_params.slottime; in hdlcdrv_setup()
663 s->hdlctx.calibrate = 0; in hdlcdrv_setup()