30  *	radisys_set_piomode - Initialize host controller PATA PIO timings
34  *	Set PIO mode for device, in host controller PCI config space.
42 	unsigned int pio	= adev->pio_mode - XFER_PIO_0;  in radisys_set_piomode()  local
61 	if (pio > 0)  in radisys_set_piomode()
72 	idetm_data |= (timings[pio][0] << 12) |  in radisys_set_piomode()
73 			(timings[pio][1] << 8);  in radisys_set_piomode()
105 	 * MWDMA is driven by the PIO timings. We must also enable  in radisys_set_dmamode()
117 		int pio = needed_pio[mwdma] - XFER_PIO_0;  in radisys_set_dmamode()  local
120 		/* If the drive MWDMA is faster than it can do PIO then  in radisys_set_dmamode()
121 		   we must force PIO0 for PIO cycles. */  in radisys_set_dmamode()
131 		idetm_data |= (timings[pio][0] << 12) | (timings[pio][1] << 8);  in radisys_set_dmamode()