114 #define MEDIA_PORT(us) us->srb->device->lun  argument
115 #define MEDIA_INFO(us) ((struct alauda_info *)us->extra)->port[MEDIA_PORT(us)]  argument
121 static int init_alauda(struct us_data *us);
308 static int alauda_get_media_status(struct us_data *us, unsigned char *data)  in alauda_get_media_status()  argument
313 	if (MEDIA_PORT(us) == ALAUDA_PORT_XD)  in alauda_get_media_status()
318 	rc = usb_stor_ctrl_transfer(us, us->recv_ctrl_pipe,  in alauda_get_media_status()
322 		usb_stor_dbg(us, "Media status %02X %02X\n", data[0], data[1]);  in alauda_get_media_status()
331 static int alauda_ack_media(struct us_data *us)  in alauda_ack_media()  argument
335 	if (MEDIA_PORT(us) == ALAUDA_PORT_XD)  in alauda_ack_media()
340 	return usb_stor_ctrl_transfer(us, us->send_ctrl_pipe,  in alauda_ack_media()
348 static int alauda_get_media_signature(struct us_data *us, unsigned char *data)  in alauda_get_media_signature()  argument
352 	if (MEDIA_PORT(us) == ALAUDA_PORT_XD)  in alauda_get_media_signature()
357 	return usb_stor_ctrl_transfer(us, us->recv_ctrl_pipe,  in alauda_get_media_signature()
364 static int alauda_reset_media(struct us_data *us)  in alauda_reset_media()  argument
366 	unsigned char *command = us->iobuf;  in alauda_reset_media()
371 	command[8] = MEDIA_PORT(us);  in alauda_reset_media()
373 	return usb_stor_bulk_transfer_buf(us, us->send_bulk_pipe,  in alauda_reset_media()
380 static int alauda_init_media(struct us_data *us)  in alauda_init_media()  argument
382 	unsigned char *data = us->iobuf;  in alauda_init_media()
390 		if (alauda_get_media_status(us, data) != USB_STOR_XFER_GOOD)  in alauda_init_media()
397 	usb_stor_dbg(us, "We are ready for action!\n");  in alauda_init_media()
399 	if (alauda_ack_media(us) != USB_STOR_XFER_GOOD)  in alauda_init_media()
404 	if (alauda_get_media_status(us, data) != USB_STOR_XFER_GOOD)  in alauda_init_media()
408 		usb_stor_dbg(us, "Media not ready after ack\n");  in alauda_init_media()
412 	if (alauda_get_media_signature(us, data) != USB_STOR_XFER_GOOD)  in alauda_init_media()
415 	usb_stor_dbg(us, "Media signature: %4ph\n", data);  in alauda_init_media()
423 	MEDIA_INFO(us).capacity = 1 << media_info->chipshift;  in alauda_init_media()
424 	usb_stor_dbg(us, "Found media with capacity: %ldMB\n",  in alauda_init_media()
425 		     MEDIA_INFO(us).capacity >> 20);  in alauda_init_media()
427 	MEDIA_INFO(us).pageshift = media_info->pageshift;  in alauda_init_media()
428 	MEDIA_INFO(us).blockshift = media_info->blockshift;  in alauda_init_media()
429 	MEDIA_INFO(us).zoneshift = media_info->zoneshift;  in alauda_init_media()
431 	MEDIA_INFO(us).pagesize = 1 << media_info->pageshift;  in alauda_init_media()
432 	MEDIA_INFO(us).blocksize = 1 << media_info->blockshift;  in alauda_init_media()
433 	MEDIA_INFO(us).zonesize = 1 << media_info->zoneshift;  in alauda_init_media()
435 	MEDIA_INFO(us).uzonesize = ((1 << media_info->zoneshift) / 128) * 125;  in alauda_init_media()
436 	MEDIA_INFO(us).blockmask = MEDIA_INFO(us).blocksize - 1;  in alauda_init_media()
438 	num_zones = MEDIA_INFO(us).capacity >> (MEDIA_INFO(us).zoneshift  in alauda_init_media()
439 		+ MEDIA_INFO(us).blockshift + MEDIA_INFO(us).pageshift);  in alauda_init_media()
440 	MEDIA_INFO(us).pba_to_lba = kcalloc(num_zones, sizeof(u16*), GFP_NOIO);  in alauda_init_media()
441 	MEDIA_INFO(us).lba_to_pba = kcalloc(num_zones, sizeof(u16*), GFP_NOIO);  in alauda_init_media()
442 	if (MEDIA_INFO(us).pba_to_lba == NULL || MEDIA_INFO(us).lba_to_pba == NULL)  in alauda_init_media()
445 	if (alauda_reset_media(us) != USB_STOR_XFER_GOOD)  in alauda_init_media()
455 static int alauda_check_media(struct us_data *us)  in alauda_check_media()  argument
457 	struct alauda_info *info = (struct alauda_info *) us->extra;  in alauda_check_media()
458 	unsigned char *status = us->iobuf;  in alauda_check_media()
461 	rc = alauda_get_media_status(us, status);  in alauda_check_media()
470 		usb_stor_dbg(us, "No media, or door open\n");  in alauda_check_media()
471 		alauda_free_maps(&MEDIA_INFO(us));  in alauda_check_media()
480 		usb_stor_dbg(us, "Media change detected\n");  in alauda_check_media()
481 		alauda_free_maps(&MEDIA_INFO(us));  in alauda_check_media()
482 		alauda_init_media(us);  in alauda_check_media()
497 static int alauda_check_status2(struct us_data *us)  in alauda_check_status2()  argument
502 		0, 0, 0, 0, 3, 0, MEDIA_PORT(us)  in alauda_check_status2()
506 	rc = usb_stor_bulk_transfer_buf(us, us->send_bulk_pipe,  in alauda_check_status2()
511 	rc = usb_stor_bulk_transfer_buf(us, us->recv_bulk_pipe,  in alauda_check_status2()
516 	usb_stor_dbg(us, "%3ph\n", data);  in alauda_check_status2()
527 static int alauda_get_redu_data(struct us_data *us, u16 pba, unsigned char *data)  in alauda_get_redu_data()  argument
532 		PBA_HI(pba), PBA_ZONE(pba), 0, PBA_LO(pba), 0, 0, MEDIA_PORT(us)  in alauda_get_redu_data()
535 	rc = usb_stor_bulk_transfer_buf(us, us->send_bulk_pipe,  in alauda_get_redu_data()
540 	return usb_stor_bulk_transfer_buf(us, us->recv_bulk_pipe,  in alauda_get_redu_data()
565 static int alauda_read_map(struct us_data *us, unsigned int zone)  in alauda_read_map()  argument
567 	unsigned char *data = us->iobuf;  in alauda_read_map()
570 	unsigned int zonesize = MEDIA_INFO(us).zonesize;  in alauda_read_map()
571 	unsigned int uzonesize = MEDIA_INFO(us).uzonesize;  in alauda_read_map()
582 	usb_stor_dbg(us, "Mapping blocks for zone %d\n", zone);  in alauda_read_map()
591 		result = alauda_get_redu_data(us, blocknum, data);  in alauda_read_map()
602 		usb_stor_dbg(us, "PBA %d has no logical mapping\n", blocknum);  in alauda_read_map()
615 …usb_stor_dbg(us, "PBA %d has no logical mapping: reserved area = %02X%02X%02X%02X data status %02X…  in alauda_read_map()
624 			usb_stor_dbg(us, "PBA %d has invalid address field %02X%02X/%02X%02X\n",  in alauda_read_map()
673 	MEDIA_INFO(us).lba_to_pba[zone] = lba_to_pba;  in alauda_read_map()
674 	MEDIA_INFO(us).pba_to_lba[zone] = pba_to_lba;  in alauda_read_map()
689 static void alauda_ensure_map_for_zone(struct us_data *us, unsigned int zone)  in alauda_ensure_map_for_zone()  argument
691 	if (MEDIA_INFO(us).lba_to_pba[zone] == NULL  in alauda_ensure_map_for_zone()
692 		|| MEDIA_INFO(us).pba_to_lba[zone] == NULL)  in alauda_ensure_map_for_zone()
693 		alauda_read_map(us, zone);  in alauda_ensure_map_for_zone()
699 static int alauda_erase_block(struct us_data *us, u16 pba)  in alauda_erase_block()  argument
704 		PBA_ZONE(pba), 0, PBA_LO(pba), 0x02, 0, MEDIA_PORT(us)  in alauda_erase_block()
708 	usb_stor_dbg(us, "Erasing PBA %d\n", pba);  in alauda_erase_block()
710 	rc = usb_stor_bulk_transfer_buf(us, us->send_bulk_pipe,  in alauda_erase_block()
715 	rc = usb_stor_bulk_transfer_buf(us, us->recv_bulk_pipe,  in alauda_erase_block()
720 	usb_stor_dbg(us, "Erase result: %02X %02X\n", buf[0], buf[1]);  in alauda_erase_block()
728 static int alauda_read_block_raw(struct us_data *us, u16 pba,  in alauda_read_block_raw()  argument
734 		PBA_ZONE(pba), 0, PBA_LO(pba) + page, pages, 0, MEDIA_PORT(us)  in alauda_read_block_raw()
737 	usb_stor_dbg(us, "pba %d page %d count %d\n", pba, page, pages);  in alauda_read_block_raw()
739 	rc = usb_stor_bulk_transfer_buf(us, us->send_bulk_pipe,  in alauda_read_block_raw()
744 	return usb_stor_bulk_transfer_buf(us, us->recv_bulk_pipe,  in alauda_read_block_raw()
745 		data, (MEDIA_INFO(us).pagesize + 64) * pages, NULL);  in alauda_read_block_raw()
754 static int alauda_read_block(struct us_data *us, u16 pba,  in alauda_read_block()  argument
758 	unsigned int pagesize = MEDIA_INFO(us).pagesize;  in alauda_read_block()
760 	rc = alauda_read_block_raw(us, pba, page, pages, data);  in alauda_read_block()
779 static int alauda_write_block(struct us_data *us, u16 pba, unsigned char *data)  in alauda_write_block()  argument
782 	struct alauda_info *info = (struct alauda_info *) us->extra;  in alauda_write_block()
785 		PBA_ZONE(pba), 0, PBA_LO(pba), 32, 0, MEDIA_PORT(us)  in alauda_write_block()
788 	usb_stor_dbg(us, "pba %d\n", pba);  in alauda_write_block()
790 	rc = usb_stor_bulk_transfer_buf(us, us->send_bulk_pipe,  in alauda_write_block()
795 	rc = usb_stor_bulk_transfer_buf(us, info->wr_ep, data,  in alauda_write_block()
796 		(MEDIA_INFO(us).pagesize + 64) * MEDIA_INFO(us).blocksize,  in alauda_write_block()
801 	return alauda_check_status2(us);  in alauda_write_block()
807 static int alauda_write_lba(struct us_data *us, u16 lba,  in alauda_write_lba()  argument
815 	unsigned int uzonesize = MEDIA_INFO(us).uzonesize;  in alauda_write_lba()
816 	unsigned int zonesize = MEDIA_INFO(us).zonesize;  in alauda_write_lba()
817 	unsigned int pagesize = MEDIA_INFO(us).pagesize;  in alauda_write_lba()
818 	unsigned int blocksize = MEDIA_INFO(us).blocksize;  in alauda_write_lba()
823 	alauda_ensure_map_for_zone(us, zone);  in alauda_write_lba()
825 	pba = MEDIA_INFO(us).lba_to_pba[zone][lba_offset];  in alauda_write_lba()
836 	new_pba = alauda_find_unused_pba(&MEDIA_INFO(us), zone);  in alauda_write_lba()
845 		result = alauda_read_block_raw(us, pba, 0,  in alauda_write_lba()
863 			usb_stor_dbg(us, "Warning: bad ecc in page %d- of pba %d\n",  in alauda_write_lba()
869 			usb_stor_dbg(us, "Warning: bad ecc in page %d+ of pba %d\n",  in alauda_write_lba()
890 	result = alauda_write_block(us, new_pba, blockbuffer);  in alauda_write_lba()
895 	MEDIA_INFO(us).pba_to_lba[zone][new_pba_offset] = lba;  in alauda_write_lba()
896 	MEDIA_INFO(us).lba_to_pba[zone][lba_offset] = new_pba;  in alauda_write_lba()
897 	usb_stor_dbg(us, "Remapped LBA %d to PBA %d\n", lba, new_pba);  in alauda_write_lba()
901 		result = alauda_erase_block(us, pba);  in alauda_write_lba()
904 		MEDIA_INFO(us).pba_to_lba[zone][pba_offset] = UNDEF;  in alauda_write_lba()
913 static int alauda_read_data(struct us_data *us, unsigned long address,  in alauda_read_data()  argument
919 	unsigned int blockshift = MEDIA_INFO(us).blockshift;  in alauda_read_data()
920 	unsigned int pageshift = MEDIA_INFO(us).pageshift;  in alauda_read_data()
921 	unsigned int blocksize = MEDIA_INFO(us).blocksize;  in alauda_read_data()
922 	unsigned int pagesize = MEDIA_INFO(us).pagesize;  in alauda_read_data()
923 	unsigned int uzonesize = MEDIA_INFO(us).uzonesize;  in alauda_read_data()
942 	page = (address & MEDIA_INFO(us).blockmask);  in alauda_read_data()
943 	max_lba = MEDIA_INFO(us).capacity >> (blockshift + pageshift);  in alauda_read_data()
954 		alauda_ensure_map_for_zone(us, zone);  in alauda_read_data()
958 			usb_stor_dbg(us, "Error: Requested lba %u exceeds maximum %u\n",  in alauda_read_data()
969 		pba = MEDIA_INFO(us).lba_to_pba[zone][lba_offset];  in alauda_read_data()
972 			usb_stor_dbg(us, "Read %d zero pages (LBA %d) page %d\n",  in alauda_read_data()
984 			usb_stor_dbg(us, "Read %d pages, from PBA %d (LBA %d) page %d\n",  in alauda_read_data()
987 			result = alauda_read_block(us, pba, page, pages, buffer);  in alauda_read_data()
993 		usb_stor_access_xfer_buf(buffer, len, us->srb,  in alauda_read_data()
1008 static int alauda_write_data(struct us_data *us, unsigned long address,  in alauda_write_data()  argument
1013 	unsigned int blockshift = MEDIA_INFO(us).blockshift;  in alauda_write_data()
1014 	unsigned int pageshift = MEDIA_INFO(us).pageshift;  in alauda_write_data()
1015 	unsigned int blocksize = MEDIA_INFO(us).blocksize;  in alauda_write_data()
1016 	unsigned int pagesize = MEDIA_INFO(us).pagesize;  in alauda_write_data()
1044 	page = (address & MEDIA_INFO(us).blockmask);  in alauda_write_data()
1045 	max_lba = MEDIA_INFO(us).capacity >> (pageshift + blockshift);  in alauda_write_data()
1058 			usb_stor_dbg(us, "Requested lba %u exceeds maximum %u\n",  in alauda_write_data()
1065 		usb_stor_access_xfer_buf(buffer, len, us->srb,  in alauda_write_data()
1068 		result = alauda_write_lba(us, lba, page, pages, buffer,  in alauda_write_data()
1107 static int init_alauda(struct us_data *us)  in init_alauda()  argument
1110 	struct usb_host_interface *altsetting = us->pusb_intf->cur_altsetting;  in init_alauda()
1113 	us->extra = kzalloc(sizeof(struct alauda_info), GFP_NOIO);  in init_alauda()
1114 	if (!us->extra)  in init_alauda()
1117 	info = (struct alauda_info *) us->extra;  in init_alauda()
1118 	us->extra_destructor = alauda_info_destructor;  in init_alauda()
1120 	info->wr_ep = usb_sndbulkpipe(us->pusb_dev,  in init_alauda()
1127 static int alauda_transport(struct scsi_cmnd *srb, struct us_data *us)  in alauda_transport()  argument
1130 	struct alauda_info *info = (struct alauda_info *) us->extra;  in alauda_transport()
1131 	unsigned char *ptr = us->iobuf;  in alauda_transport()
1137 		usb_stor_dbg(us, "INQUIRY - Returning bogus response\n");  in alauda_transport()
1139 		fill_inquiry_response(us, ptr, 36);  in alauda_transport()
1144 		usb_stor_dbg(us, "TEST_UNIT_READY\n");  in alauda_transport()
1145 		return alauda_check_media(us);  in alauda_transport()
1152 		rc = alauda_check_media(us);  in alauda_transport()
1156 		num_zones = MEDIA_INFO(us).capacity >> (MEDIA_INFO(us).zoneshift  in alauda_transport()
1157 			+ MEDIA_INFO(us).blockshift + MEDIA_INFO(us).pageshift);  in alauda_transport()
1159 		capacity = num_zones * MEDIA_INFO(us).uzonesize  in alauda_transport()
1160 			* MEDIA_INFO(us).blocksize;  in alauda_transport()
1173 		rc = alauda_check_media(us);  in alauda_transport()
1182 		usb_stor_dbg(us, "READ_10: page %d pagect %d\n", page, pages);  in alauda_transport()
1184 		return alauda_read_data(us, page, pages);  in alauda_transport()
1190 		rc = alauda_check_media(us);  in alauda_transport()
1199 		usb_stor_dbg(us, "WRITE_10: page %d pagect %d\n", page, pages);  in alauda_transport()
1201 		return alauda_write_data(us, page, pages);  in alauda_transport()
1205 		usb_stor_dbg(us, "REQUEST_SENSE\n");  in alauda_transport()
1226 	usb_stor_dbg(us, "Gah! Unknown command: %d (0x%x)\n",  in alauda_transport()
1239 	struct us_data *us;  in alauda_probe()  local
1242 	result = usb_stor_probe1(&us, intf, id,  in alauda_probe()
1248 	us->transport_name  = "Alauda Control/Bulk";  in alauda_probe()
1249 	us->transport = alauda_transport;  in alauda_probe()
1250 	us->transport_reset = usb_stor_Bulk_reset;  in alauda_probe()
1251 	us->max_lun = 1;  in alauda_probe()
1253 	result = usb_stor_probe2(us);  in alauda_probe()