135 static volatile struct sun3_dma_regs *dregs;  variable
165 	dregs->udc_addr = UDC_CSR;  in sun3_udc_read()
167 	ret = dregs->udc_data;  in sun3_udc_read()
175 	dregs->udc_addr = reg;  in sun3_udc_write()
177 	dregs->udc_data = val;  in sun3_udc_write()
237 	dregs = (struct sun3_dma_regs *)(((unsigned char *)ioaddr) + 8);  in sun3scsi_detect()
295 	dregs->csr = 0;  in sun3scsi_detect()
297 	dregs->csr = CSR_SCSI | CSR_FIFO | CSR_INTR;  in sun3scsi_detect()
299 	dregs->fifo_count = 0;  in sun3scsi_detect()
375 	unsigned short csr = dregs->csr;  in scsi_sun3_intr()
440 	dregs->fifo_count = 0;  in sun3scsi_dma_setup()
444 	dregs->csr &= ~CSR_FIFO;  in sun3scsi_dma_setup()
445 	dregs->csr |= CSR_FIFO;  in sun3scsi_dma_setup()
449 		dregs->csr |= CSR_SEND;  in sun3scsi_dma_setup()
451 		dregs->csr &= ~CSR_SEND;  in sun3scsi_dma_setup()
454 	dregs->fifo_count = count;  in sun3scsi_dma_setup()
459 	dregs->csr &= ~CSR_FIFO;  in sun3scsi_dma_setup()
460 	dregs->csr |= CSR_FIFO;  in sun3scsi_dma_setup()
462 	if(dregs->fifo_count != count) {   in sun3scsi_dma_setup()
464 		       default_instance->host_no, dregs->fifo_count,  in sun3scsi_dma_setup()
509 	dregs->udc_addr = 0x32;   in sun3scsi_dma_count()
511 	resid = dregs->udc_data;  in sun3scsi_dma_count()
555 			if(dregs->csr & CSR_FIFO_EMPTY)  in sun3scsi_dma_finish()
588 	fifo = dregs->fifo_count;  in sun3scsi_dma_finish()
596 		data = dregs->fifo_data;  in sun3scsi_dma_finish()
609 	dregs->fifo_count = 0;  in sun3scsi_dma_finish()
610 	dregs->csr &= ~CSR_SEND;  in sun3scsi_dma_finish()
613 	dregs->csr &= ~CSR_FIFO;  in sun3scsi_dma_finish()
614 	dregs->csr |= CSR_FIFO;  in sun3scsi_dma_finish()