Cross Reference: /src/sys/dev/isa/cs89x0isa.c

Lines Matching refs:isc
67 	struct cs_softc_isa *isc = (struct cs_softc_isa *)sc;
69 	if (isc->sc_drq == ISA_UNKNOWN_DRQ)
72 	else if (isc->sc_drq < 5 || isc->sc_drq > 7)
79 		maxsize = isa_dmamaxsize(isc->sc_ic, isc->sc_drq);
88 		if (isa_drq_alloc(isc->sc_ic, isc->sc_drq) != 0) {
91 			    isc->sc_drq);
95 		if (isa_dmamap_create(isc->sc_ic, isc->sc_drq,
101 		if (isa_dmamem_alloc(isc->sc_ic, isc->sc_drq,
107 		if (isa_dmamem_map(isc->sc_ic, isc->sc_drq, dma_addr,
108 		    CS8900_DMASIZE, (void **)&isc->sc_dmabase,
112 			isa_dmamem_free(isc->sc_ic, isc->sc_drq, dma_addr,
117 		isc->sc_dmasize = CS8900_DMASIZE;
119 		isc->sc_dmaaddr = dma_addr;
127 	struct cs_softc_isa *isc = (struct cs_softc_isa *)sc;
135 		if (isa_dmastart(isc->sc_ic, isc->sc_drq, isc->sc_dmabase,
136 		    isc->sc_dmasize, NULL, DMAMODE_READ | DMAMODE_LOOPDEMAND,
142 		isc->sc_dmacur = isc->sc_dmabase;
152 		if (isc->sc_dmasize == 16384) {
162 		CS_WRITE_PACKET_PAGE(sc, PKTPG_DMA_CHANNEL, isc->sc_drq - 5);
168 	struct cs_softc_isa *isc = (struct cs_softc_isa *)sc;
192 		dma_mem_ptr = isc->sc_dmacur;
209 			if (dma_mem_ptr > (isc->sc_dmabase + isc->sc_dmasize)) {
210 				dma_mem_ptr = isc->sc_dmabase;
232 				isa_dmaabort(isc->sc_ic, isc->sc_drq);
256 					isa_dmaabort(isc->sc_ic, isc->sc_drq);
279 					isa_dmaabort(isc->sc_ic, isc->sc_drq);
315 				    (isc->sc_dmabase + isc->sc_dmasize)) {
324 					    ((isc->sc_dmabase + isc->sc_dmasize) -
342 					dma_mem_ptr = isc->sc_dmabase;
377 			if (dma_mem_ptr < (isc->sc_dmabase + isc->sc_dmasize)) {
378 				isc->sc_dmacur = dma_mem_ptr;
380 				dma_mem_ptr = isc->sc_dmacur = isc->sc_dmabase;
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