sun3/dev/si_obio.c

158 	struct ncr5380_softc *ncr_sc = &sc->ncr_sc;
162 	ncr_sc->sc_dev = self;
192 	ncr_sc->sc_pio_out = ncr5380_pio_out;
193 	ncr_sc->sc_pio_in =  ncr5380_pio_in;
194 	ncr_sc->sc_dma_alloc = si_dma_alloc;
195 	ncr_sc->sc_dma_free  = si_dma_free;
196 	ncr_sc->sc_dma_setup = si_obio_dma_setup;
197 	ncr_sc->sc_dma_start = si_obio_dma_start;
198 	ncr_sc->sc_dma_poll  = si_dma_poll;
199 	ncr_sc->sc_dma_eop   = si_obio_dma_eop;
200 	ncr_sc->sc_dma_stop  = si_obio_dma_stop;
201 	ncr_sc->sc_intr_on   = NULL;
202 	ncr_sc->sc_intr_off  = NULL;
211 	si_obio_reset(ncr_sc);
218 si_obio_reset(struct ncr5380_softc *ncr_sc)
220 	struct si_softc *sc = (struct si_softc *)ncr_sc;
276 si_obio_dma_setup(struct ncr5380_softc *ncr_sc)
278 	struct si_softc *sc = (struct si_softc *)ncr_sc;
279 	struct sci_req *sr = ncr_sc->sc_current;
375 si_obio_dma_start(struct ncr5380_softc *ncr_sc)
377 	struct si_softc *sc = (struct si_softc *)ncr_sc;
378 	struct sci_req *sr = ncr_sc->sc_current;
400 		*ncr_sc->sci_tcmd = PHASE_DATA_OUT;
401 		SCI_CLR_INTR(ncr_sc);
402 		*ncr_sc->sci_icmd = SCI_ICMD_DATA;
403 		*ncr_sc->sci_mode |= (SCI_MODE_DMA | SCI_MODE_DMA_IE);
404 		*ncr_sc->sci_dma_send = 0;	/* start it */
406 		*ncr_sc->sci_tcmd = PHASE_DATA_IN;
407 		SCI_CLR_INTR(ncr_sc);
408 		*ncr_sc->sci_icmd = 0;
409 		*ncr_sc->sci_mode |= (SCI_MODE_DMA | SCI_MODE_DMA_IE);
410 		*ncr_sc->sci_irecv = 0;	/* start it */
414 	ncr_sc->sc_state |= NCR_DOINGDMA;
419 		    __func__, ncr_sc->sc_state);
426 si_obio_dma_eop(struct ncr5380_softc *ncr_sc)
434 si_obio_dma_stop(struct ncr5380_softc *ncr_sc)
436 	struct si_softc *sc = (struct si_softc *)ncr_sc;
437 	struct sci_req *sr = ncr_sc->sc_current;
442 	if ((ncr_sc->sc_state & NCR_DOINGDMA) == 0) {
448 	ncr_sc->sc_state &= ~NCR_DOINGDMA;
454 	*ncr_sc->sci_tcmd = PHASE_INVALID;
460 		ncr_sc->sc_state |= NCR_ABORTING;
461 		si_obio_reset(ncr_sc);
466 	if (ncr_sc->sc_state & NCR_ABORTING)
480 				ncr_sc->sc_state |= NCR_ABORTING;
481 				/* si_obio_reset(ncr_sc); */
506 		ncr_sc->sc_state |= NCR_ABORTING;
509 	if (ntrans > ncr_sc->sc_datalen)
513 	ncr_sc->sc_dataptr += ntrans;
514 	ncr_sc->sc_datalen -= ntrans;
524 				(int) ncr_sc->sc_dataptr - 1);
525 			ncr_sc->sc_dataptr[-1] =
533 				(int) ncr_sc->sc_dataptr - 2);
534 			ncr_sc->sc_dataptr[-2] =
536 			ncr_sc->sc_dataptr[-1] =
553 	*ncr_sc->sci_mode &= ~(SCI_MODE_DMA | SCI_MODE_DMA_IE);
554 	*ncr_sc->sci_icmd = 0;