drivers/scsi/nsp32.c

47 MODULE_PARM_DESC(trans_mode, "transfer mode (0: BIOS(default) 1: Async 2: Ultra20M");
536 	/* transfer control */
554 	 * For bus master transfer, it's taken off.
563 	 * transfer parameter to ASIC
856  * nsp32_setup_sg_table - build scatter gather list for transfer data
859  * Note: NinjaSCSI-32Bi/UDE bus master can not transfer over 64KB at a time.
889 					"can't transfer over 64KB at a time, "
976 	 * If target is the first time to transfer after the reset
978 	 * message SDTR is needed to do synchronous transfer.
1082 		nsp32_dbg(NSP32_DEBUG_INIT, "unknown transfer mode");
1107 	 *	appropriate value before restarting bus master transfer.
1419 		 * transfer reliability when BMCNTERR is occurred in
1511 			seq_printf(m, " transfer %d.%dMB/s, offset %d",
1864 	unsigned short transfer = 0;
1896 	transfer = 0;
1897 	transfer |= (TRANSFER_GO | ALL_COUNTER_CLR);
1900 			transfer |= BM_START;
1903 		transfer |= CB_MMIO_MODE;
1905 		transfer |= CB_IO_MODE;
1907 	nsp32_write2(base, TRANSFER_CONTROL, transfer);
2046 			 * failed.  Fall back to async transfer mode, and set
2264 			 * to fall back into asynchronous transfer mode.
2341 	nsp32_set_async(data, target);	/* set as ASYNC transfer mode */
2384  * target <-> initiator use ASYNC transfer
2401  * target <-> initiator use maximum SYNC transfer
2584 	 * Bus master transfer mode is supported currently.
2708 	 *     ready to start synchronous transfer without any preparation,
2709 	 *     but we are difficult to control transfer speed.  In addition,
2710 	 *     it prevents device transfer speed from effecting EEPROM start-up
2717 	 *     device transfer mode.
2846 	 * stop all transfer
2855 	 * fall back to asynchronous transfer mode
3002 	 *	same or lower than 3, then transfer speed is set as ULTRA-20M.
3004 	 *	than 4, then transfer speed is set as FAST-10M.
3007 	 *	only ignored. If auto_sync is 0 (auto), then transfer speed is