14  * The ISD200 ASIC does not natively support ATA devices.  The chip
15  * does implement an interface, the ATA Command Block (ATACB) which provides
16  * a means of passing ATA commands and ATA register accesses to a device.
37 #include <linux/ata.h>
118 /* ATA Vendor Specific defines */
146 /* ATA registers offset definitions */
152 /* ATA error definitions not in <linux/hdreg.h> */
155 /* ATA command definitions not in <linux/hdreg.h> */
159 /* ATA drive control definitions */
480 	union ata_cdb ata;  in isd200_action()  local
487 	memset(&ata, 0, sizeof(ata));  in isd200_action()
491 	ata.generic.SignatureByte0 = info->ConfigData.ATAMajorCommand;  in isd200_action()
492 	ata.generic.SignatureByte1 = info->ConfigData.ATAMinorCommand;  in isd200_action()
493 	ata.generic.TransferBlockSize = 1;  in isd200_action()
498 		ata.generic.ActionSelect = ACTION_SELECT_0|ACTION_SELECT_2;  in isd200_action()
499 		ata.generic.RegisterSelect =  in isd200_action()
507 		ata.generic.ActionSelect = ACTION_SELECT_1|ACTION_SELECT_2|  in isd200_action()
510 		ata.generic.RegisterSelect = REG_DEVICE_HEAD;  in isd200_action()
511 		ata.write.DeviceHeadByte = value;  in isd200_action()
517 		ata.generic.ActionSelect = ACTION_SELECT_1|ACTION_SELECT_2|  in isd200_action()
519 		ata.generic.RegisterSelect = REG_DEVICE_CONTROL;  in isd200_action()
520 		ata.write.DeviceControlByte = ATA_DC_RESET_CONTROLLER;  in isd200_action()
526 		ata.generic.ActionSelect = ACTION_SELECT_1|ACTION_SELECT_2|  in isd200_action()
528 		ata.generic.RegisterSelect = REG_DEVICE_CONTROL;  in isd200_action()
529 		ata.write.DeviceControlByte = ATA_DC_REENABLE_CONTROLLER;  in isd200_action()
535 		ata.generic.ActionSelect = ACTION_SELECT_1|ACTION_SELECT_5;  in isd200_action()
536 		ata.generic.RegisterSelect = REG_DEVICE_HEAD | REG_COMMAND;  in isd200_action()
537 		ata.write.DeviceHeadByte = info->DeviceHead;  in isd200_action()
538 		ata.write.CommandByte = ATA_CMD_DEV_RESET;  in isd200_action()
544 		ata.generic.RegisterSelect = REG_COMMAND;  in isd200_action()
545 		ata.write.CommandByte = ATA_CMD_ID_ATA;  in isd200_action()
555 	memcpy(srb->cmnd, &ata, sizeof(ata.generic));  in isd200_action()
556 	srb->cmd_len = sizeof(ata.generic);  in isd200_action()
573  * Read ATA Registers
589 		usb_stor_dbg(us, "   Error reading ATA registers\n");  in isd200_read_regs()
593 		usb_stor_dbg(us, "   Got ATA Register[ATA_REG_ERROR_OFFSET] = 0x%x\n",  in isd200_read_regs()
715 	usb_stor_dbg(us, "      ATA Init Timeout: 0x%x\n",  in isd200_log_config()
723 	usb_stor_dbg(us, "      ATA Timing: 0x%x\n",  in isd200_log_config()
725 	usb_stor_dbg(us, "      ATA Major Command: 0x%x\n",  in isd200_log_config()
727 	usb_stor_dbg(us, "      ATA Minor Command: 0x%x\n",  in isd200_log_config()
735 	usb_stor_dbg(us, "      ATA 3 State Suspend: 0x%x\n",  in isd200_log_config()
806 	/* determine what the special ATA CDB bytes are.		*/  in isd200_read_config()
948 		/* ATA_DF (workaround ATA Zip drive) and */  in isd200_try_enum()
954 		/* check for DRDY, ATA devices set DRDY after SRST */  in isd200_try_enum()
956 			usb_stor_dbg(us, "   Identified ATA device\n");  in isd200_try_enum()
990 			usb_stor_dbg(us, "   Not ATA, not ATAPI - Weird\n");  in isd200_try_enum()
1010  * Determines if the drive attached is an ATA or ATAPI and if it is a
1034 				/* ata or atapi? */  in isd200_manual_enum()
1121 		/* check for an ATA device */  in isd200_get_inquiry_data()
1123 			/* this must be an ATA device */  in isd200_get_inquiry_data()
1124 			/* perform an ATA Command Identify */  in isd200_get_inquiry_data()
1128 				/* Error issuing ATA Command Identify */  in isd200_get_inquiry_data()
1129 				usb_stor_dbg(us, "   Error issuing ATA Command Identify\n");  in isd200_get_inquiry_data()
1132 				/* ATA Command Identify successful */  in isd200_get_inquiry_data()
1142 					usb_stor_dbg(us, "   Invalid ATA Identify data\n");  in isd200_get_inquiry_data()
1221  * Translate SCSI commands to ATA commands.
1244 		usb_stor_dbg(us, "   ATA OUT - INQUIRY\n");  in isd200_scsi_to_ata()
1254 		usb_stor_dbg(us, "   ATA OUT - SCSIOP_MODE_SENSE\n");  in isd200_scsi_to_ata()
1275 		usb_stor_dbg(us, "   ATA OUT - SCSIOP_TEST_UNIT_READY\n");  in isd200_scsi_to_ata()
1297 		usb_stor_dbg(us, "   ATA OUT - SCSIOP_READ_CAPACITY\n");  in isd200_scsi_to_ata()
1316 		usb_stor_dbg(us, "   ATA OUT - SCSIOP_READ\n");  in isd200_scsi_to_ata()
1348 		usb_stor_dbg(us, "   ATA OUT - SCSIOP_WRITE\n");  in isd200_scsi_to_ata()
1380 		usb_stor_dbg(us, "   ATA OUT - SCSIOP_MEDIUM_REMOVAL\n");  in isd200_scsi_to_ata()
1401 		usb_stor_dbg(us, "   ATA OUT - SCSIOP_START_STOP_UNIT\n");  in isd200_scsi_to_ata()
1519  * This protocol and transport are for ATA devices connected to an ISD200
1540 	/* scsi_bufflen might change in protocol translation to ata */  in isd200_ata_command()
1565 	us->protocol_name = "ISD200 ATA/ATAPI";  in isd200_probe()