92 ppc_isa_dmadone(struct ppc_data *ppc)  in ppc_isa_dmadone()  argument
94 	isa_dmadone(ppc->ppc_dmaflags, ppc->ppc_dmaddr, ppc->ppc_dmacnt,  in ppc_isa_dmadone()
95 	    ppc->ppc_dmachan);  in ppc_isa_dmadone()
101 	struct ppc_data *ppc = device_get_softc(dev);  in ppc_isa_attach()  local
103 	if ((ppc->ppc_avm & PPB_ECP) && (ppc->ppc_dmachan > 0)) {  in ppc_isa_attach()
105 		isa_dma_acquire(ppc->ppc_dmachan);  in ppc_isa_attach()
106 		isa_dmainit(ppc->ppc_dmachan, 1024); /* nlpt.BUFSIZE */  in ppc_isa_attach()
107 		ppc->ppc_dmadone = ppc_isa_dmadone;  in ppc_isa_attach()
140 	struct ppc_data *ppc = device_get_softc(dev);  in ppc_isa_write()  local
145 	PPC_ASSERT_LOCKED(ppc);  in ppc_isa_write()
146 	if (!(ppc->ppc_avm & PPB_ECP))  in ppc_isa_write()
148 	if (ppc->ppc_dmachan == 0)  in ppc_isa_write()
155 	ecr_sav = r_ecr(ppc);  in ppc_isa_write()
156 	ctr_sav = r_ctr(ppc);  in ppc_isa_write()
164 	w_ecr(ppc, ecr);  in ppc_isa_write()
167 	ctr = r_ctr(ppc);  in ppc_isa_write()
169 	w_ctr(ppc, ctr);  in ppc_isa_write()
171 	ppc->ppc_dmaflags = 0;  in ppc_isa_write()
172 	ppc->ppc_dmaddr = (caddr_t)buf;  in ppc_isa_write()
173 	ppc->ppc_dmacnt = (u_int)len;  in ppc_isa_write()
175 	switch (ppc->ppc_mode) {  in ppc_isa_write()
188 	w_ecr(ppc, ecr);  in ppc_isa_write()
189 	ecr = r_ecr(ppc);  in ppc_isa_write()
191 	ppc->ppc_dmastat = PPC_DMA_INIT;  in ppc_isa_write()
195 	ppc->ppc_irqstat = PPC_IRQ_DMA;  in ppc_isa_write()
196 	w_ecr(ppc, ecr);  in ppc_isa_write()
198 	isa_dmastart(ppc->ppc_dmaflags, ppc->ppc_dmaddr, ppc->ppc_dmacnt,  in ppc_isa_write()
199 		     ppc->ppc_dmachan);  in ppc_isa_write()
200 	ppc->ppc_dmastat = PPC_DMA_STARTED;  in ppc_isa_write()
203 	printf("s%d", ppc->ppc_dmacnt);  in ppc_isa_write()
212 		error = mtx_sleep(ppc, &ppc->ppc_lock, PPBPRI | PCATCH,  in ppc_isa_write()
221 		isa_dmadone(ppc->ppc_dmaflags, ppc->ppc_dmaddr,  in ppc_isa_write()
222 			    ppc->ppc_dmacnt, ppc->ppc_dmachan);  in ppc_isa_write()
225 		w_ecr(ppc, PPC_ECR_RESET);  in ppc_isa_write()
227 		ppc->ppc_dmastat = PPC_DMA_INTERRUPTED;  in ppc_isa_write()
232 	while (!(r_ecr(ppc) & PPC_FIFO_EMPTY)) {  in ppc_isa_write()
234 			if (r_ecr(ppc) & PPC_FIFO_EMPTY)  in ppc_isa_write()
239 		error = mtx_sleep(ppc, &ppc->ppc_lock, PPBPRI | PCATCH,  in ppc_isa_write()
246 			w_ecr(ppc, PPC_ECR_RESET);  in ppc_isa_write()
248 			ppc->ppc_dmastat = PPC_DMA_INTERRUPTED;  in ppc_isa_write()
256 	w_ecr(ppc, PPC_ECR_RESET);  in ppc_isa_write()
266 	w_ecr(ppc, ecr_sav);  in ppc_isa_write()
267 	w_ctr(ppc, ctr_sav);  in ppc_isa_write()
271 DRIVER_MODULE(ppc, isa, ppc_isa_driver, 0, 0);