Cross Reference: /src/sys/dev/ic/wdc.c

Lines Matching defs:wdc
1 /*	$NetBSD: wdc.c,v 1.310 2022/05/31 08:43:15 andvar Exp $ */
61 __KERNEL_RCSID(0, "$NetBSD: wdc.c,v 1.310 2022/05/31 08:43:15 andvar Exp $");
178  * Initialize the "shadow register" handles for a standard wdc controller.
191 wdc_allocate_regs(struct wdc_softc *wdc)
194 	wdc->regs = malloc(wdc->sc_atac.atac_nchannels *
207 	struct wdc_softc *wdc = CHAN_TO_WDC(chp);
248 		if (atabus_alloc_drives(chp, wdc->wdc_maxdrives) != 0) {
297 	struct wdc_softc *wdc = CHAN_TO_WDC(chp);
298 	struct wdc_regs *wdr = &wdc->regs[chp->ch_channel];
303 	if (atabus_alloc_drives(chp, wdc->wdc_maxdrives) != 0) {
322 			if (wdc->select)
323 				wdc->select(chp,1);
331 			if (wdc->select)
332 				wdc->select(chp,0);
420 			    (wdc->cap & WDC_CAPABILITY_PREATA) == 0) {
430 			if (wdc->select)
431 				wdc->select(chp,i);
495 	struct wdc_softc *wdc;
499 	wdc = kmem_zalloc(sizeof(*wdc), KM_SLEEP);
503 	ch->ch_atac = &wdc->sc_atac;
504 	wdc->regs = wdr;
507 	wdc->reset = (do_reset != NULL) ? do_reset : wdc_do_reset;
516 	kmem_free(wdc, sizeof(*wdc));
524 	struct wdc_softc *wdc = CHAN_TO_WDC(chp);
525 	struct wdc_regs *wdr = &wdc->regs[chp->ch_channel];
535 	 * Sanity check to see if the wdc channel responds at all.
538 	if ((wdc->cap & WDC_CAPABILITY_NO_EXTRA_RESETS) == 0) {
540 			if (wdc->select)
541 				wdc->select(chp,0);
549 			if (wdc->select)
550 				wdc->select(chp,1);
570 			if (wdc->select)
571 				wdc->select(chp,0);
630 			if (wdc->select)
631 			     wdc->select(chp,1);
700 		if (wdc->select)
701 			wdc->select(chp,0);
708 		if (wdc->select)
709 			wdc->select(chp,0);
719 	wdc->reset(chp, RESET_POLL);
723 	if (! (wdc->cap & WDC_CAPABILITY_NO_AUXCTL))
746 	for (drive = 0; drive < wdc->wdc_maxdrives; drive++) {
749 		if (wdc->select)
750 			wdc->select(chp,drive);
796 	struct wdc_softc *wdc = CHAN_TO_WDC(chp);
798 	KASSERT(wdc->wdc_maxdrives > 0 && wdc->wdc_maxdrives <= WDC_MAXDRIVES);
801 	if (wdc->datain_pio == NULL)
802 		wdc->datain_pio = wdc_datain_pio;
803 	if (wdc->dataout_pio == NULL)
804 		wdc->dataout_pio = wdc_dataout_pio;
806 	if (wdc->reset == NULL)
807 		wdc->reset = wdc_do_reset;
886 	struct wdc_softc *wdc = CHAN_TO_WDC(chp);
887 	struct wdc_regs *wdr = &wdc->regs[chp->ch_channel];
926 		wdc->dma_status =
927 		    (*wdc->dma_finish)(wdc->dma_arg, chp->ch_channel,
929 		if (wdc->dma_status & WDC_DMAST_NOIRQ) {
969 	struct wdc_softc *wdc = CHAN_TO_WDC(chp);
1014 				(*wdc->dma_finish)(wdc->dma_arg,
1030 	struct wdc_softc *wdc = CHAN_TO_WDC(chp);
1031 	struct wdc_regs *wdr = &wdc->regs[chp->ch_channel];
1039 	wdc->reset(chp, poll);
1057 	if (! (wdc->cap & WDC_CAPABILITY_NO_AUXCTL))
1067 	struct wdc_softc *wdc = CHAN_TO_WDC(chp);
1068 	struct wdc_regs *wdr = &wdc->regs[chp->ch_channel];
1073 	if (wdc->select)
1074 		wdc->select(chp,0);
1079 	if (! (wdc->cap & WDC_CAPABILITY_NO_AUXCTL)) {
1085 	if (! (wdc->cap & WDC_CAPABILITY_NO_AUXCTL))
1091 		if (wdc->irqack)
1092 			wdc->irqack(chp);
1100 	struct wdc_softc *wdc = CHAN_TO_WDC(chp);
1101 	struct wdc_regs *wdr = &wdc->regs[chp->ch_channel];
1116 			if (wdc->select)
1117 				wdc->select(chp,0);
1135 			if (wdc->select)
1136 				wdc->select(chp,1);
1207 	struct wdc_softc *wdc = CHAN_TO_WDC(chp);
1208 	struct wdc_regs *wdr = &wdc->regs[chp->ch_channel];
1320 	struct wdc_softc *wdc = CHAN_TO_WDC(chp);
1324 		wdc->dma_status =
1325 		    (*wdc->dma_finish)(wdc->dma_arg,
1327 		if ((wdc->dma_status & WDC_DMAST_NOIRQ) == 0)
1332 	wdc->dma_status = (*wdc->dma_finish)(wdc->dma_arg,
1344 	struct wdc_softc *wdc = CHAN_TO_WDC(chp);
1373 		wdc->dma_status =
1374 		    (*wdc->dma_finish)(wdc->dma_arg, chp->ch_channel,
1429 	struct wdc_softc *wdc = CHAN_TO_WDC(chp);
1430 	struct wdc_regs *wdr = &wdc->regs[chp->ch_channel];
1440 	if (wdc->select)
1441 		wdc->select(chp,drive);
1456 		if (! (wdc->cap & WDC_CAPABILITY_NO_AUXCTL))
1500 	struct wdc_softc *wdc = CHAN_TO_WDC(chp);
1501 	struct wdc_regs *wdr = &wdc->regs[chp->ch_channel];
1578 	if (wdc->irqack)
1579 		wdc->irqack(chp);
1585 		wdc->datain_pio(chp, drive_flags, data, bcount);
1597 		wdc->dataout_pio(chp, drive_flags, data, bcount);
1627 	struct wdc_softc *wdc = CHAN_TO_WDC(chp);
1628 	struct wdc_regs *wdr = &wdc->regs[chp->ch_channel];
1660 			if (! (wdc->cap & WDC_CAPABILITY_NO_AUXCTL)) {
1678 			if (! (wdc->cap & WDC_CAPABILITY_NO_AUXCTL)) {
1702 		if (! (wdc->cap & WDC_CAPABILITY_NO_AUXCTL))
1758 	struct wdc_softc *wdc = CHAN_TO_WDC(chp);
1759 	struct wdc_regs *wdr = &wdc->regs[chp->ch_channel];
1766 	if (wdc->select)
1767 		wdc->select(chp,drive);
1794 	struct wdc_softc *wdc = CHAN_TO_WDC(chp);
1795 	struct wdc_regs *wdr = &wdc->regs[chp->ch_channel];
1803 	KASSERT(drive < wdc->wdc_maxdrives);
1805 	if (wdc->select)
1806 		wdc->select(chp,drive);
1812 	if (wdc->cap & WDC_CAPABILITY_WIDEREGS) {
1861 	struct wdc_softc *wdc = CHAN_TO_WDC(chp);
1862 	struct wdc_regs *wdr = &wdc->regs[chp->ch_channel];
1868 	if (wdc->select)
1869 		wdc->select(chp,drive);
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