93 ppc_isa_dmadone(struct ppc_data *ppc)  in ppc_isa_dmadone()  argument
95 	isa_dmadone(ppc->ppc_dmaflags, ppc->ppc_dmaddr, ppc->ppc_dmacnt,  in ppc_isa_dmadone()
96 	    ppc->ppc_dmachan);  in ppc_isa_dmadone()
102 	struct ppc_data *ppc = device_get_softc(dev);  in ppc_isa_attach()  local
104 	if ((ppc->ppc_avm & PPB_ECP) && (ppc->ppc_dmachan > 0)) {  in ppc_isa_attach()
106 		isa_dma_acquire(ppc->ppc_dmachan);  in ppc_isa_attach()
107 		isa_dmainit(ppc->ppc_dmachan, 1024); /* nlpt.BUFSIZE */  in ppc_isa_attach()
108 		ppc->ppc_dmadone = ppc_isa_dmadone;  in ppc_isa_attach()
141 	struct ppc_data *ppc = device_get_softc(dev);  in ppc_isa_write()  local
146 	PPC_ASSERT_LOCKED(ppc);  in ppc_isa_write()
147 	if (!(ppc->ppc_avm & PPB_ECP))  in ppc_isa_write()
149 	if (ppc->ppc_dmachan == 0)  in ppc_isa_write()
156 	ecr_sav = r_ecr(ppc);  in ppc_isa_write()
157 	ctr_sav = r_ctr(ppc);  in ppc_isa_write()
165 	w_ecr(ppc, ecr);  in ppc_isa_write()
168 	ctr = r_ctr(ppc);  in ppc_isa_write()
170 	w_ctr(ppc, ctr);  in ppc_isa_write()
172 	ppc->ppc_dmaflags = 0;  in ppc_isa_write()
173 	ppc->ppc_dmaddr = (caddr_t)buf;  in ppc_isa_write()
174 	ppc->ppc_dmacnt = (u_int)len;  in ppc_isa_write()
176 	switch (ppc->ppc_mode) {  in ppc_isa_write()
189 	w_ecr(ppc, ecr);  in ppc_isa_write()
190 	ecr = r_ecr(ppc);  in ppc_isa_write()
192 	ppc->ppc_dmastat = PPC_DMA_INIT;  in ppc_isa_write()
196 	ppc->ppc_irqstat = PPC_IRQ_DMA;  in ppc_isa_write()
197 	w_ecr(ppc, ecr);  in ppc_isa_write()
199 	isa_dmastart(ppc->ppc_dmaflags, ppc->ppc_dmaddr, ppc->ppc_dmacnt,  in ppc_isa_write()
200 		     ppc->ppc_dmachan);  in ppc_isa_write()
201 	ppc->ppc_dmastat = PPC_DMA_STARTED;  in ppc_isa_write()
204 	printf("s%d", ppc->ppc_dmacnt);  in ppc_isa_write()
213 		error = mtx_sleep(ppc, &ppc->ppc_lock, PPBPRI | PCATCH,  in ppc_isa_write()
222 		isa_dmadone(ppc->ppc_dmaflags, ppc->ppc_dmaddr,  in ppc_isa_write()
223 			    ppc->ppc_dmacnt, ppc->ppc_dmachan);  in ppc_isa_write()
226 		w_ecr(ppc, PPC_ECR_RESET);  in ppc_isa_write()
228 		ppc->ppc_dmastat = PPC_DMA_INTERRUPTED;  in ppc_isa_write()
233 	while (!(r_ecr(ppc) & PPC_FIFO_EMPTY)) {  in ppc_isa_write()
235 			if (r_ecr(ppc) & PPC_FIFO_EMPTY)  in ppc_isa_write()
240 		error = mtx_sleep(ppc, &ppc->ppc_lock, PPBPRI | PCATCH,  in ppc_isa_write()
247 			w_ecr(ppc, PPC_ECR_RESET);  in ppc_isa_write()
249 			ppc->ppc_dmastat = PPC_DMA_INTERRUPTED;  in ppc_isa_write()
257 	w_ecr(ppc, PPC_ECR_RESET);  in ppc_isa_write()
267 	w_ecr(ppc, ecr_sav);  in ppc_isa_write()
268 	w_ctr(ppc, ctr_sav);  in ppc_isa_write()
272 DRIVER_MODULE(ppc, isa, ppc_isa_driver, 0, 0);