Orange Pi5 kernel

Deprecated Linux kernel 5.10.110 for OrangePi 5/5B/5+ boards

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^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300    1) // SPDX-License-Identifier: GPL-2.0+
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300    2) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300    3)  * Driver for SanDisk SDDR-09 SmartMedia reader
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300    4)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300    5)  *   (c) 2000, 2001 Robert Baruch (autophile@starband.net)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300    6)  *   (c) 2002 Andries Brouwer (aeb@cwi.nl)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300    7)  * Developed with the assistance of:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300    8)  *   (c) 2002 Alan Stern <stern@rowland.org>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300    9)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   10)  * The SanDisk SDDR-09 SmartMedia reader uses the Shuttle EUSB-01 chip.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   11)  * This chip is a programmable USB controller. In the SDDR-09, it has
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   12)  * been programmed to obey a certain limited set of SCSI commands.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   13)  * This driver translates the "real" SCSI commands to the SDDR-09 SCSI
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   14)  * commands.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   15)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   16) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   17) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   18)  * Known vendor commands: 12 bytes, first byte is opcode
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   19)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   20)  * E7: read scatter gather
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   21)  * E8: read
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   22)  * E9: write
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   23)  * EA: erase
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   24)  * EB: reset
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   25)  * EC: read status
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   26)  * ED: read ID
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   27)  * EE: write CIS (?)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   28)  * EF: compute checksum (?)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   29)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   30) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   31) #include <linux/errno.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   32) #include <linux/module.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   33) #include <linux/slab.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   34) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   35) #include <scsi/scsi.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   36) #include <scsi/scsi_cmnd.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   37) #include <scsi/scsi_device.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   38) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   39) #include "usb.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   40) #include "transport.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   41) #include "protocol.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   42) #include "debug.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   43) #include "scsiglue.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   44) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   45) #define DRV_NAME "ums-sddr09"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   46) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   47) MODULE_DESCRIPTION("Driver for SanDisk SDDR-09 SmartMedia reader");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   48) MODULE_AUTHOR("Andries Brouwer <aeb@cwi.nl>, Robert Baruch <autophile@starband.net>");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   49) MODULE_LICENSE("GPL");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   50) MODULE_IMPORT_NS(USB_STORAGE);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   51) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   52) static int usb_stor_sddr09_dpcm_init(struct us_data *us);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   53) static int sddr09_transport(struct scsi_cmnd *srb, struct us_data *us);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   54) static int usb_stor_sddr09_init(struct us_data *us);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   55) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   56) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   57) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   58)  * The table of devices
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   59)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   60) #define UNUSUAL_DEV(id_vendor, id_product, bcdDeviceMin, bcdDeviceMax, \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   61) 		    vendorName, productName, useProtocol, useTransport, \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   62) 		    initFunction, flags) \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   63) { USB_DEVICE_VER(id_vendor, id_product, bcdDeviceMin, bcdDeviceMax), \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   64)   .driver_info = (flags) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   65) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   66) static struct usb_device_id sddr09_usb_ids[] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   67) #	include "unusual_sddr09.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   68) 	{ }		/* Terminating entry */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   69) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   70) MODULE_DEVICE_TABLE(usb, sddr09_usb_ids);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   71) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   72) #undef UNUSUAL_DEV
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   73) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   74) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   75)  * The flags table
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   76)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   77) #define UNUSUAL_DEV(idVendor, idProduct, bcdDeviceMin, bcdDeviceMax, \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   78) 		    vendor_name, product_name, use_protocol, use_transport, \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   79) 		    init_function, Flags) \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   80) { \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   81) 	.vendorName = vendor_name,	\
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   82) 	.productName = product_name,	\
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   83) 	.useProtocol = use_protocol,	\
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   84) 	.useTransport = use_transport,	\
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   85) 	.initFunction = init_function,	\
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   86) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   87) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   88) static struct us_unusual_dev sddr09_unusual_dev_list[] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   89) #	include "unusual_sddr09.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   90) 	{ }		/* Terminating entry */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   91) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   92) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   93) #undef UNUSUAL_DEV
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   94) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   95) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   96) #define short_pack(lsb,msb) ( ((u16)(lsb)) | ( ((u16)(msb))<<8 ) )
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   97) #define LSB_of(s) ((s)&0xFF)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   98) #define MSB_of(s) ((s)>>8)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   99) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  100) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  101)  * First some stuff that does not belong here:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  102)  * data on SmartMedia and other cards, completely
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  103)  * unrelated to this driver.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  104)  * Similar stuff occurs in <linux/mtd/nand_ids.h>.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  105)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  106) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  107) struct nand_flash_dev {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  108) 	int model_id;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  109) 	int chipshift;		/* 1<<cs bytes total capacity */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  110) 	char pageshift;		/* 1<<ps bytes in a page */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  111) 	char blockshift;	/* 1<<bs pages in an erase block */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  112) 	char zoneshift;		/* 1<<zs blocks in a zone */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  113) 				/* # of logical blocks is 125/128 of this */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  114) 	char pageadrlen;	/* length of an address in bytes - 1 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  115) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  116) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  117) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  118)  * NAND Flash Manufacturer ID Codes
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  119)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  120) #define NAND_MFR_AMD		0x01
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  121) #define NAND_MFR_NATSEMI	0x8f
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  122) #define NAND_MFR_TOSHIBA	0x98
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  123) #define NAND_MFR_SAMSUNG	0xec
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  124) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  125) static inline char *nand_flash_manufacturer(int manuf_id) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  126) 	switch(manuf_id) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  127) 	case NAND_MFR_AMD:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  128) 		return "AMD";
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  129) 	case NAND_MFR_NATSEMI:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  130) 		return "NATSEMI";
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  131) 	case NAND_MFR_TOSHIBA:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  132) 		return "Toshiba";
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  133) 	case NAND_MFR_SAMSUNG:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  134) 		return "Samsung";
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  135) 	default:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  136) 		return "unknown";
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  137) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  138) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  139) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  140) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  141)  * It looks like it is unnecessary to attach manufacturer to the
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  142)  * remaining data: SSFDC prescribes manufacturer-independent id codes.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  143)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  144)  * 256 MB NAND flash has a 5-byte ID with 2nd byte 0xaa, 0xba, 0xca or 0xda.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  145)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  146) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  147) static struct nand_flash_dev nand_flash_ids[] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  148) 	/* NAND flash */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  149) 	{ 0x6e, 20, 8, 4, 8, 2},	/* 1 MB */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  150) 	{ 0xe8, 20, 8, 4, 8, 2},	/* 1 MB */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  151) 	{ 0xec, 20, 8, 4, 8, 2},	/* 1 MB */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  152) 	{ 0x64, 21, 8, 4, 9, 2}, 	/* 2 MB */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  153) 	{ 0xea, 21, 8, 4, 9, 2},	/* 2 MB */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  154) 	{ 0x6b, 22, 9, 4, 9, 2},	/* 4 MB */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  155) 	{ 0xe3, 22, 9, 4, 9, 2},	/* 4 MB */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  156) 	{ 0xe5, 22, 9, 4, 9, 2},	/* 4 MB */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  157) 	{ 0xe6, 23, 9, 4, 10, 2},	/* 8 MB */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  158) 	{ 0x73, 24, 9, 5, 10, 2},	/* 16 MB */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  159) 	{ 0x75, 25, 9, 5, 10, 2},	/* 32 MB */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  160) 	{ 0x76, 26, 9, 5, 10, 3},	/* 64 MB */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  161) 	{ 0x79, 27, 9, 5, 10, 3},	/* 128 MB */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  162) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  163) 	/* MASK ROM */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  164) 	{ 0x5d, 21, 9, 4, 8, 2},	/* 2 MB */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  165) 	{ 0xd5, 22, 9, 4, 9, 2},	/* 4 MB */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  166) 	{ 0xd6, 23, 9, 4, 10, 2},	/* 8 MB */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  167) 	{ 0x57, 24, 9, 4, 11, 2},	/* 16 MB */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  168) 	{ 0x58, 25, 9, 4, 12, 2},	/* 32 MB */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  169) 	{ 0,}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  170) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  171) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  172) static struct nand_flash_dev *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  173) nand_find_id(unsigned char id) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  174) 	int i;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  175) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  176) 	for (i = 0; i < ARRAY_SIZE(nand_flash_ids); i++)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  177) 		if (nand_flash_ids[i].model_id == id)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  178) 			return &(nand_flash_ids[i]);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  179) 	return NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  180) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  181) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  182) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  183)  * ECC computation.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  184)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  185) static unsigned char parity[256];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  186) static unsigned char ecc2[256];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  187) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  188) static void nand_init_ecc(void) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  189) 	int i, j, a;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  190) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  191) 	parity[0] = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  192) 	for (i = 1; i < 256; i++)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  193) 		parity[i] = (parity[i&(i-1)] ^ 1);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  194) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  195) 	for (i = 0; i < 256; i++) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  196) 		a = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  197) 		for (j = 0; j < 8; j++) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  198) 			if (i & (1<<j)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  199) 				if ((j & 1) == 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  200) 					a ^= 0x04;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  201) 				if ((j & 2) == 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  202) 					a ^= 0x10;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  203) 				if ((j & 4) == 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  204) 					a ^= 0x40;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  205) 			}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  206) 		}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  207) 		ecc2[i] = ~(a ^ (a<<1) ^ (parity[i] ? 0xa8 : 0));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  208) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  209) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  210) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  211) /* compute 3-byte ecc on 256 bytes */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  212) static void nand_compute_ecc(unsigned char *data, unsigned char *ecc) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  213) 	int i, j, a;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  214) 	unsigned char par = 0, bit, bits[8] = {0};
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  215) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  216) 	/* collect 16 checksum bits */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  217) 	for (i = 0; i < 256; i++) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  218) 		par ^= data[i];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  219) 		bit = parity[data[i]];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  220) 		for (j = 0; j < 8; j++)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  221) 			if ((i & (1<<j)) == 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  222) 				bits[j] ^= bit;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  223) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  224) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  225) 	/* put 4+4+4 = 12 bits in the ecc */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  226) 	a = (bits[3] << 6) + (bits[2] << 4) + (bits[1] << 2) + bits[0];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  227) 	ecc[0] = ~(a ^ (a<<1) ^ (parity[par] ? 0xaa : 0));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  228) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  229) 	a = (bits[7] << 6) + (bits[6] << 4) + (bits[5] << 2) + bits[4];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  230) 	ecc[1] = ~(a ^ (a<<1) ^ (parity[par] ? 0xaa : 0));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  231) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  232) 	ecc[2] = ecc2[par];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  233) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  234) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  235) static int nand_compare_ecc(unsigned char *data, unsigned char *ecc) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  236) 	return (data[0] == ecc[0] && data[1] == ecc[1] && data[2] == ecc[2]);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  237) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  238) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  239) static void nand_store_ecc(unsigned char *data, unsigned char *ecc) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  240) 	memcpy(data, ecc, 3);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  241) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  242) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  243) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  244)  * The actual driver starts here.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  245)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  246) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  247) struct sddr09_card_info {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  248) 	unsigned long	capacity;	/* Size of card in bytes */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  249) 	int		pagesize;	/* Size of page in bytes */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  250) 	int		pageshift;	/* log2 of pagesize */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  251) 	int		blocksize;	/* Size of block in pages */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  252) 	int		blockshift;	/* log2 of blocksize */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  253) 	int		blockmask;	/* 2^blockshift - 1 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  254) 	int		*lba_to_pba;	/* logical to physical map */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  255) 	int		*pba_to_lba;	/* physical to logical map */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  256) 	int		lbact;		/* number of available pages */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  257) 	int		flags;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  258) #define	SDDR09_WP	1		/* write protected */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  259) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  260) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  261) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  262)  * On my 16MB card, control blocks have size 64 (16 real control bytes,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  263)  * and 48 junk bytes). In reality of course the card uses 16 control bytes,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  264)  * so the reader makes up the remaining 48. Don't know whether these numbers
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  265)  * depend on the card. For now a constant.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  266)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  267) #define CONTROL_SHIFT 6
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  268) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  269) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  270)  * On my Combo CF/SM reader, the SM reader has LUN 1.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  271)  * (and things fail with LUN 0).
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  272)  * It seems LUN is irrelevant for others.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  273)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  274) #define LUN	1
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  275) #define	LUNBITS	(LUN << 5)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  276) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  277) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  278)  * LBA and PBA are unsigned ints. Special values.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  279)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  280) #define UNDEF    0xffffffff
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  281) #define SPARE    0xfffffffe
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  282) #define UNUSABLE 0xfffffffd
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  283) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  284) static const int erase_bad_lba_entries = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  285) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  286) /* send vendor interface command (0x41) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  287) /* called for requests 0, 1, 8 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  288) static int
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  289) sddr09_send_command(struct us_data *us,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  290) 		    unsigned char request,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  291) 		    unsigned char direction,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  292) 		    unsigned char *xfer_data,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  293) 		    unsigned int xfer_len) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  294) 	unsigned int pipe;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  295) 	unsigned char requesttype = (0x41 | direction);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  296) 	int rc;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  297) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  298) 	// Get the receive or send control pipe number
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  299) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  300) 	if (direction == USB_DIR_IN)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  301) 		pipe = us->recv_ctrl_pipe;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  302) 	else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  303) 		pipe = us->send_ctrl_pipe;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  304) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  305) 	rc = usb_stor_ctrl_transfer(us, pipe, request, requesttype,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  306) 				   0, 0, xfer_data, xfer_len);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  307) 	switch (rc) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  308) 		case USB_STOR_XFER_GOOD:	return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  309) 		case USB_STOR_XFER_STALLED:	return -EPIPE;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  310) 		default:			return -EIO;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  311) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  312) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  313) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  314) static int
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  315) sddr09_send_scsi_command(struct us_data *us,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  316) 			 unsigned char *command,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  317) 			 unsigned int command_len) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  318) 	return sddr09_send_command(us, 0, USB_DIR_OUT, command, command_len);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  319) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  320) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  321) #if 0
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  322) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  323)  * Test Unit Ready Command: 12 bytes.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  324)  * byte 0: opcode: 00
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  325)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  326) static int
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  327) sddr09_test_unit_ready(struct us_data *us) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  328) 	unsigned char *command = us->iobuf;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  329) 	int result;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  330) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  331) 	memset(command, 0, 6);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  332) 	command[1] = LUNBITS;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  333) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  334) 	result = sddr09_send_scsi_command(us, command, 6);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  335) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  336) 	usb_stor_dbg(us, "sddr09_test_unit_ready returns %d\n", result);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  337) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  338) 	return result;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  339) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  340) #endif
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  341) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  342) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  343)  * Request Sense Command: 12 bytes.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  344)  * byte 0: opcode: 03
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  345)  * byte 4: data length
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  346)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  347) static int
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  348) sddr09_request_sense(struct us_data *us, unsigned char *sensebuf, int buflen) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  349) 	unsigned char *command = us->iobuf;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  350) 	int result;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  351) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  352) 	memset(command, 0, 12);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  353) 	command[0] = 0x03;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  354) 	command[1] = LUNBITS;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  355) 	command[4] = buflen;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  356) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  357) 	result = sddr09_send_scsi_command(us, command, 12);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  358) 	if (result)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  359) 		return result;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  360) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  361) 	result = usb_stor_bulk_transfer_buf(us, us->recv_bulk_pipe,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  362) 			sensebuf, buflen, NULL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  363) 	return (result == USB_STOR_XFER_GOOD ? 0 : -EIO);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  364) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  365) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  366) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  367)  * Read Command: 12 bytes.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  368)  * byte 0: opcode: E8
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  369)  * byte 1: last two bits: 00: read data, 01: read blockwise control,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  370)  *			10: read both, 11: read pagewise control.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  371)  *	 It turns out we need values 20, 21, 22, 23 here (LUN 1).
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  372)  * bytes 2-5: address (interpretation depends on byte 1, see below)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  373)  * bytes 10-11: count (idem)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  374)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  375)  * A page has 512 data bytes and 64 control bytes (16 control and 48 junk).
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  376)  * A read data command gets data in 512-byte pages.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  377)  * A read control command gets control in 64-byte chunks.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  378)  * A read both command gets data+control in 576-byte chunks.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  379)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  380)  * Blocks are groups of 32 pages, and read blockwise control jumps to the
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  381)  * next block, while read pagewise control jumps to the next page after
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  382)  * reading a group of 64 control bytes.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  383)  * [Here 512 = 1<<pageshift, 32 = 1<<blockshift, 64 is constant?]
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  384)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  385)  * (1 MB and 2 MB cards are a bit different, but I have only a 16 MB card.)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  386)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  387) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  388) static int
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  389) sddr09_readX(struct us_data *us, int x, unsigned long fromaddress,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  390) 	     int nr_of_pages, int bulklen, unsigned char *buf,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  391) 	     int use_sg) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  392) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  393) 	unsigned char *command = us->iobuf;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  394) 	int result;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  395) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  396) 	command[0] = 0xE8;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  397) 	command[1] = LUNBITS | x;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  398) 	command[2] = MSB_of(fromaddress>>16);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  399) 	command[3] = LSB_of(fromaddress>>16); 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  400) 	command[4] = MSB_of(fromaddress & 0xFFFF);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  401) 	command[5] = LSB_of(fromaddress & 0xFFFF); 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  402) 	command[6] = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  403) 	command[7] = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  404) 	command[8] = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  405) 	command[9] = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  406) 	command[10] = MSB_of(nr_of_pages);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  407) 	command[11] = LSB_of(nr_of_pages);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  408) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  409) 	result = sddr09_send_scsi_command(us, command, 12);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  410) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  411) 	if (result) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  412) 		usb_stor_dbg(us, "Result for send_control in sddr09_read2%d %d\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  413) 			     x, result);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  414) 		return result;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  415) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  416) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  417) 	result = usb_stor_bulk_transfer_sg(us, us->recv_bulk_pipe,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  418) 				       buf, bulklen, use_sg, NULL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  419) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  420) 	if (result != USB_STOR_XFER_GOOD) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  421) 		usb_stor_dbg(us, "Result for bulk_transfer in sddr09_read2%d %d\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  422) 			     x, result);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  423) 		return -EIO;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  424) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  425) 	return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  426) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  427) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  428) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  429)  * Read Data
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  430)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  431)  * fromaddress counts data shorts:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  432)  * increasing it by 256 shifts the bytestream by 512 bytes;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  433)  * the last 8 bits are ignored.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  434)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  435)  * nr_of_pages counts pages of size (1 << pageshift).
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  436)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  437) static int
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  438) sddr09_read20(struct us_data *us, unsigned long fromaddress,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  439) 	      int nr_of_pages, int pageshift, unsigned char *buf, int use_sg) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  440) 	int bulklen = nr_of_pages << pageshift;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  441) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  442) 	/* The last 8 bits of fromaddress are ignored. */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  443) 	return sddr09_readX(us, 0, fromaddress, nr_of_pages, bulklen,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  444) 			    buf, use_sg);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  445) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  446) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  447) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  448)  * Read Blockwise Control
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  449)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  450)  * fromaddress gives the starting position (as in read data;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  451)  * the last 8 bits are ignored); increasing it by 32*256 shifts
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  452)  * the output stream by 64 bytes.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  453)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  454)  * count counts control groups of size (1 << controlshift).
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  455)  * For me, controlshift = 6. Is this constant?
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  456)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  457)  * After getting one control group, jump to the next block
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  458)  * (fromaddress += 8192).
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  459)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  460) static int
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  461) sddr09_read21(struct us_data *us, unsigned long fromaddress,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  462) 	      int count, int controlshift, unsigned char *buf, int use_sg) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  463) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  464) 	int bulklen = (count << controlshift);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  465) 	return sddr09_readX(us, 1, fromaddress, count, bulklen,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  466) 			    buf, use_sg);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  467) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  468) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  469) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  470)  * Read both Data and Control
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  471)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  472)  * fromaddress counts data shorts, ignoring control:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  473)  * increasing it by 256 shifts the bytestream by 576 = 512+64 bytes;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  474)  * the last 8 bits are ignored.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  475)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  476)  * nr_of_pages counts pages of size (1 << pageshift) + (1 << controlshift).
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  477)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  478) static int
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  479) sddr09_read22(struct us_data *us, unsigned long fromaddress,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  480) 	      int nr_of_pages, int pageshift, unsigned char *buf, int use_sg) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  481) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  482) 	int bulklen = (nr_of_pages << pageshift) + (nr_of_pages << CONTROL_SHIFT);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  483) 	usb_stor_dbg(us, "reading %d pages, %d bytes\n", nr_of_pages, bulklen);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  484) 	return sddr09_readX(us, 2, fromaddress, nr_of_pages, bulklen,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  485) 			    buf, use_sg);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  486) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  487) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  488) #if 0
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  489) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  490)  * Read Pagewise Control
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  491)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  492)  * fromaddress gives the starting position (as in read data;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  493)  * the last 8 bits are ignored); increasing it by 256 shifts
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  494)  * the output stream by 64 bytes.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  495)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  496)  * count counts control groups of size (1 << controlshift).
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  497)  * For me, controlshift = 6. Is this constant?
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  498)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  499)  * After getting one control group, jump to the next page
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  500)  * (fromaddress += 256).
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  501)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  502) static int
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  503) sddr09_read23(struct us_data *us, unsigned long fromaddress,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  504) 	      int count, int controlshift, unsigned char *buf, int use_sg) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  505) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  506) 	int bulklen = (count << controlshift);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  507) 	return sddr09_readX(us, 3, fromaddress, count, bulklen,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  508) 			    buf, use_sg);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  509) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  510) #endif
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  511) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  512) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  513)  * Erase Command: 12 bytes.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  514)  * byte 0: opcode: EA
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  515)  * bytes 6-9: erase address (big-endian, counting shorts, sector aligned).
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  516)  * 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  517)  * Always precisely one block is erased; bytes 2-5 and 10-11 are ignored.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  518)  * The byte address being erased is 2*Eaddress.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  519)  * The CIS cannot be erased.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  520)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  521) static int
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  522) sddr09_erase(struct us_data *us, unsigned long Eaddress) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  523) 	unsigned char *command = us->iobuf;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  524) 	int result;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  525) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  526) 	usb_stor_dbg(us, "erase address %lu\n", Eaddress);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  527) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  528) 	memset(command, 0, 12);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  529) 	command[0] = 0xEA;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  530) 	command[1] = LUNBITS;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  531) 	command[6] = MSB_of(Eaddress>>16);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  532) 	command[7] = LSB_of(Eaddress>>16);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  533) 	command[8] = MSB_of(Eaddress & 0xFFFF);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  534) 	command[9] = LSB_of(Eaddress & 0xFFFF);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  535) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  536) 	result = sddr09_send_scsi_command(us, command, 12);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  537) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  538) 	if (result)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  539) 		usb_stor_dbg(us, "Result for send_control in sddr09_erase %d\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  540) 			     result);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  541) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  542) 	return result;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  543) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  544) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  545) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  546)  * Write CIS Command: 12 bytes.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  547)  * byte 0: opcode: EE
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  548)  * bytes 2-5: write address in shorts
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  549)  * bytes 10-11: sector count
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  550)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  551)  * This writes at the indicated address. Don't know how it differs
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  552)  * from E9. Maybe it does not erase? However, it will also write to
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  553)  * the CIS.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  554)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  555)  * When two such commands on the same page follow each other directly,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  556)  * the second one is not done.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  557)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  558) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  559) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  560)  * Write Command: 12 bytes.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  561)  * byte 0: opcode: E9
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  562)  * bytes 2-5: write address (big-endian, counting shorts, sector aligned).
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  563)  * bytes 6-9: erase address (big-endian, counting shorts, sector aligned).
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  564)  * bytes 10-11: sector count (big-endian, in 512-byte sectors).
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  565)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  566)  * If write address equals erase address, the erase is done first,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  567)  * otherwise the write is done first. When erase address equals zero
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  568)  * no erase is done?
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  569)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  570) static int
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  571) sddr09_writeX(struct us_data *us,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  572) 	      unsigned long Waddress, unsigned long Eaddress,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  573) 	      int nr_of_pages, int bulklen, unsigned char *buf, int use_sg) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  574) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  575) 	unsigned char *command = us->iobuf;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  576) 	int result;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  577) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  578) 	command[0] = 0xE9;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  579) 	command[1] = LUNBITS;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  580) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  581) 	command[2] = MSB_of(Waddress>>16);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  582) 	command[3] = LSB_of(Waddress>>16);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  583) 	command[4] = MSB_of(Waddress & 0xFFFF);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  584) 	command[5] = LSB_of(Waddress & 0xFFFF);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  585) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  586) 	command[6] = MSB_of(Eaddress>>16);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  587) 	command[7] = LSB_of(Eaddress>>16);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  588) 	command[8] = MSB_of(Eaddress & 0xFFFF);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  589) 	command[9] = LSB_of(Eaddress & 0xFFFF);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  590) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  591) 	command[10] = MSB_of(nr_of_pages);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  592) 	command[11] = LSB_of(nr_of_pages);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  593) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  594) 	result = sddr09_send_scsi_command(us, command, 12);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  595) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  596) 	if (result) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  597) 		usb_stor_dbg(us, "Result for send_control in sddr09_writeX %d\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  598) 			     result);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  599) 		return result;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  600) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  601) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  602) 	result = usb_stor_bulk_transfer_sg(us, us->send_bulk_pipe,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  603) 				       buf, bulklen, use_sg, NULL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  604) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  605) 	if (result != USB_STOR_XFER_GOOD) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  606) 		usb_stor_dbg(us, "Result for bulk_transfer in sddr09_writeX %d\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  607) 			     result);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  608) 		return -EIO;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  609) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  610) 	return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  611) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  612) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  613) /* erase address, write same address */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  614) static int
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  615) sddr09_write_inplace(struct us_data *us, unsigned long address,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  616) 		     int nr_of_pages, int pageshift, unsigned char *buf,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  617) 		     int use_sg) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  618) 	int bulklen = (nr_of_pages << pageshift) + (nr_of_pages << CONTROL_SHIFT);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  619) 	return sddr09_writeX(us, address, address, nr_of_pages, bulklen,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  620) 			     buf, use_sg);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  621) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  622) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  623) #if 0
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  624) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  625)  * Read Scatter Gather Command: 3+4n bytes.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  626)  * byte 0: opcode E7
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  627)  * byte 2: n
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  628)  * bytes 4i-1,4i,4i+1: page address
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  629)  * byte 4i+2: page count
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  630)  * (i=1..n)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  631)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  632)  * This reads several pages from the card to a single memory buffer.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  633)  * The last two bits of byte 1 have the same meaning as for E8.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  634)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  635) static int
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  636) sddr09_read_sg_test_only(struct us_data *us) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  637) 	unsigned char *command = us->iobuf;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  638) 	int result, bulklen, nsg, ct;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  639) 	unsigned char *buf;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  640) 	unsigned long address;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  641) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  642) 	nsg = bulklen = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  643) 	command[0] = 0xE7;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  644) 	command[1] = LUNBITS;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  645) 	command[2] = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  646) 	address = 040000; ct = 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  647) 	nsg++;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  648) 	bulklen += (ct << 9);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  649) 	command[4*nsg+2] = ct;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  650) 	command[4*nsg+1] = ((address >> 9) & 0xFF);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  651) 	command[4*nsg+0] = ((address >> 17) & 0xFF);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  652) 	command[4*nsg-1] = ((address >> 25) & 0xFF);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  653) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  654) 	address = 0340000; ct = 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  655) 	nsg++;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  656) 	bulklen += (ct << 9);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  657) 	command[4*nsg+2] = ct;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  658) 	command[4*nsg+1] = ((address >> 9) & 0xFF);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  659) 	command[4*nsg+0] = ((address >> 17) & 0xFF);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  660) 	command[4*nsg-1] = ((address >> 25) & 0xFF);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  661) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  662) 	address = 01000000; ct = 2;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  663) 	nsg++;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  664) 	bulklen += (ct << 9);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  665) 	command[4*nsg+2] = ct;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  666) 	command[4*nsg+1] = ((address >> 9) & 0xFF);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  667) 	command[4*nsg+0] = ((address >> 17) & 0xFF);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  668) 	command[4*nsg-1] = ((address >> 25) & 0xFF);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  669) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  670) 	command[2] = nsg;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  671) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  672) 	result = sddr09_send_scsi_command(us, command, 4*nsg+3);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  673) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  674) 	if (result) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  675) 		usb_stor_dbg(us, "Result for send_control in sddr09_read_sg %d\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  676) 			     result);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  677) 		return result;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  678) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  679) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  680) 	buf = kmalloc(bulklen, GFP_NOIO);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  681) 	if (!buf)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  682) 		return -ENOMEM;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  683) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  684) 	result = usb_stor_bulk_transfer_buf(us, us->recv_bulk_pipe,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  685) 				       buf, bulklen, NULL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  686) 	kfree(buf);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  687) 	if (result != USB_STOR_XFER_GOOD) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  688) 		usb_stor_dbg(us, "Result for bulk_transfer in sddr09_read_sg %d\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  689) 			     result);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  690) 		return -EIO;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  691) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  692) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  693) 	return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  694) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  695) #endif
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  696) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  697) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  698)  * Read Status Command: 12 bytes.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  699)  * byte 0: opcode: EC
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  700)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  701)  * Returns 64 bytes, all zero except for the first.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  702)  * bit 0: 1: Error
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  703)  * bit 5: 1: Suspended
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  704)  * bit 6: 1: Ready
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  705)  * bit 7: 1: Not write-protected
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  706)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  707) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  708) static int
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  709) sddr09_read_status(struct us_data *us, unsigned char *status) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  710) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  711) 	unsigned char *command = us->iobuf;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  712) 	unsigned char *data = us->iobuf;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  713) 	int result;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  714) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  715) 	usb_stor_dbg(us, "Reading status...\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  716) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  717) 	memset(command, 0, 12);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  718) 	command[0] = 0xEC;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  719) 	command[1] = LUNBITS;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  720) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  721) 	result = sddr09_send_scsi_command(us, command, 12);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  722) 	if (result)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  723) 		return result;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  724) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  725) 	result = usb_stor_bulk_transfer_buf(us, us->recv_bulk_pipe,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  726) 				       data, 64, NULL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  727) 	*status = data[0];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  728) 	return (result == USB_STOR_XFER_GOOD ? 0 : -EIO);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  729) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  730) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  731) static int
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  732) sddr09_read_data(struct us_data *us,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  733) 		 unsigned long address,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  734) 		 unsigned int sectors) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  735) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  736) 	struct sddr09_card_info *info = (struct sddr09_card_info *) us->extra;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  737) 	unsigned char *buffer;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  738) 	unsigned int lba, maxlba, pba;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  739) 	unsigned int page, pages;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  740) 	unsigned int len, offset;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  741) 	struct scatterlist *sg;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  742) 	int result;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  743) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  744) 	// Figure out the initial LBA and page
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  745) 	lba = address >> info->blockshift;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  746) 	page = (address & info->blockmask);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  747) 	maxlba = info->capacity >> (info->pageshift + info->blockshift);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  748) 	if (lba >= maxlba)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  749) 		return -EIO;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  750) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  751) 	// Since we only read in one block at a time, we have to create
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  752) 	// a bounce buffer and move the data a piece at a time between the
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  753) 	// bounce buffer and the actual transfer buffer.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  754) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  755) 	len = min(sectors, (unsigned int) info->blocksize) * info->pagesize;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  756) 	buffer = kmalloc(len, GFP_NOIO);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  757) 	if (!buffer)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  758) 		return -ENOMEM;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  759) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  760) 	// This could be made much more efficient by checking for
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  761) 	// contiguous LBA's. Another exercise left to the student.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  762) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  763) 	result = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  764) 	offset = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  765) 	sg = NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  766) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  767) 	while (sectors > 0) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  768) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  769) 		/* Find number of pages we can read in this block */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  770) 		pages = min(sectors, info->blocksize - page);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  771) 		len = pages << info->pageshift;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  772) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  773) 		/* Not overflowing capacity? */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  774) 		if (lba >= maxlba) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  775) 			usb_stor_dbg(us, "Error: Requested lba %u exceeds maximum %u\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  776) 				     lba, maxlba);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  777) 			result = -EIO;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  778) 			break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  779) 		}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  780) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  781) 		/* Find where this lba lives on disk */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  782) 		pba = info->lba_to_pba[lba];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  783) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  784) 		if (pba == UNDEF) {	/* this lba was never written */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  785) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  786) 			usb_stor_dbg(us, "Read %d zero pages (LBA %d) page %d\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  787) 				     pages, lba, page);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  788) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  789) 			/*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  790) 			 * This is not really an error. It just means
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  791) 			 * that the block has never been written.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  792) 			 * Instead of returning an error
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  793) 			 * it is better to return all zero data.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  794) 			 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  795) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  796) 			memset(buffer, 0, len);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  797) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  798) 		} else {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  799) 			usb_stor_dbg(us, "Read %d pages, from PBA %d (LBA %d) page %d\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  800) 				     pages, pba, lba, page);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  801) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  802) 			address = ((pba << info->blockshift) + page) << 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  803) 				info->pageshift;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  804) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  805) 			result = sddr09_read20(us, address>>1,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  806) 					pages, info->pageshift, buffer, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  807) 			if (result)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  808) 				break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  809) 		}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  810) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  811) 		// Store the data in the transfer buffer
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  812) 		usb_stor_access_xfer_buf(buffer, len, us->srb,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  813) 				&sg, &offset, TO_XFER_BUF);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  814) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  815) 		page = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  816) 		lba++;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  817) 		sectors -= pages;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  818) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  819) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  820) 	kfree(buffer);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  821) 	return result;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  822) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  823) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  824) static unsigned int
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  825) sddr09_find_unused_pba(struct sddr09_card_info *info, unsigned int lba) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  826) 	static unsigned int lastpba = 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  827) 	int zonestart, end, i;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  828) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  829) 	zonestart = (lba/1000) << 10;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  830) 	end = info->capacity >> (info->blockshift + info->pageshift);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  831) 	end -= zonestart;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  832) 	if (end > 1024)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  833) 		end = 1024;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  834) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  835) 	for (i = lastpba+1; i < end; i++) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  836) 		if (info->pba_to_lba[zonestart+i] == UNDEF) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  837) 			lastpba = i;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  838) 			return zonestart+i;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  839) 		}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  840) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  841) 	for (i = 0; i <= lastpba; i++) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  842) 		if (info->pba_to_lba[zonestart+i] == UNDEF) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  843) 			lastpba = i;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  844) 			return zonestart+i;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  845) 		}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  846) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  847) 	return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  848) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  849) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  850) static int
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  851) sddr09_write_lba(struct us_data *us, unsigned int lba,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  852) 		 unsigned int page, unsigned int pages,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  853) 		 unsigned char *ptr, unsigned char *blockbuffer) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  854) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  855) 	struct sddr09_card_info *info = (struct sddr09_card_info *) us->extra;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  856) 	unsigned long address;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  857) 	unsigned int pba, lbap;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  858) 	unsigned int pagelen;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  859) 	unsigned char *bptr, *cptr, *xptr;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  860) 	unsigned char ecc[3];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  861) 	int i, result;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  862) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  863) 	lbap = ((lba % 1000) << 1) | 0x1000;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  864) 	if (parity[MSB_of(lbap) ^ LSB_of(lbap)])
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  865) 		lbap ^= 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  866) 	pba = info->lba_to_pba[lba];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  867) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  868) 	if (pba == UNDEF) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  869) 		pba = sddr09_find_unused_pba(info, lba);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  870) 		if (!pba) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  871) 			printk(KERN_WARNING
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  872) 			       "sddr09_write_lba: Out of unused blocks\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  873) 			return -ENOSPC;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  874) 		}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  875) 		info->pba_to_lba[pba] = lba;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  876) 		info->lba_to_pba[lba] = pba;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  877) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  878) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  879) 	if (pba == 1) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  880) 		/*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  881) 		 * Maybe it is impossible to write to PBA 1.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  882) 		 * Fake success, but don't do anything.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  883) 		 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  884) 		printk(KERN_WARNING "sddr09: avoid writing to pba 1\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  885) 		return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  886) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  887) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  888) 	pagelen = (1 << info->pageshift) + (1 << CONTROL_SHIFT);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  889) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  890) 	/* read old contents */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  891) 	address = (pba << (info->pageshift + info->blockshift));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  892) 	result = sddr09_read22(us, address>>1, info->blocksize,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  893) 			       info->pageshift, blockbuffer, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  894) 	if (result)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  895) 		return result;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  896) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  897) 	/* check old contents and fill lba */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  898) 	for (i = 0; i < info->blocksize; i++) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  899) 		bptr = blockbuffer + i*pagelen;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  900) 		cptr = bptr + info->pagesize;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  901) 		nand_compute_ecc(bptr, ecc);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  902) 		if (!nand_compare_ecc(cptr+13, ecc)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  903) 			usb_stor_dbg(us, "Warning: bad ecc in page %d- of pba %d\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  904) 				     i, pba);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  905) 			nand_store_ecc(cptr+13, ecc);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  906) 		}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  907) 		nand_compute_ecc(bptr+(info->pagesize / 2), ecc);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  908) 		if (!nand_compare_ecc(cptr+8, ecc)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  909) 			usb_stor_dbg(us, "Warning: bad ecc in page %d+ of pba %d\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  910) 				     i, pba);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  911) 			nand_store_ecc(cptr+8, ecc);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  912) 		}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  913) 		cptr[6] = cptr[11] = MSB_of(lbap);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  914) 		cptr[7] = cptr[12] = LSB_of(lbap);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  915) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  916) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  917) 	/* copy in new stuff and compute ECC */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  918) 	xptr = ptr;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  919) 	for (i = page; i < page+pages; i++) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  920) 		bptr = blockbuffer + i*pagelen;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  921) 		cptr = bptr + info->pagesize;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  922) 		memcpy(bptr, xptr, info->pagesize);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  923) 		xptr += info->pagesize;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  924) 		nand_compute_ecc(bptr, ecc);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  925) 		nand_store_ecc(cptr+13, ecc);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  926) 		nand_compute_ecc(bptr+(info->pagesize / 2), ecc);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  927) 		nand_store_ecc(cptr+8, ecc);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  928) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  929) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  930) 	usb_stor_dbg(us, "Rewrite PBA %d (LBA %d)\n", pba, lba);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  931) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  932) 	result = sddr09_write_inplace(us, address>>1, info->blocksize,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  933) 				      info->pageshift, blockbuffer, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  934) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  935) 	usb_stor_dbg(us, "sddr09_write_inplace returns %d\n", result);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  936) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  937) #if 0
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  938) 	{
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  939) 		unsigned char status = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  940) 		int result2 = sddr09_read_status(us, &status);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  941) 		if (result2)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  942) 			usb_stor_dbg(us, "cannot read status\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  943) 		else if (status != 0xc0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  944) 			usb_stor_dbg(us, "status after write: 0x%x\n", status);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  945) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  946) #endif
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  947) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  948) #if 0
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  949) 	{
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  950) 		int result2 = sddr09_test_unit_ready(us);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  951) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  952) #endif
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  953) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  954) 	return result;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  955) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  956) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  957) static int
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  958) sddr09_write_data(struct us_data *us,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  959) 		  unsigned long address,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  960) 		  unsigned int sectors) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  961) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  962) 	struct sddr09_card_info *info = (struct sddr09_card_info *) us->extra;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  963) 	unsigned int lba, maxlba, page, pages;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  964) 	unsigned int pagelen, blocklen;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  965) 	unsigned char *blockbuffer;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  966) 	unsigned char *buffer;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  967) 	unsigned int len, offset;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  968) 	struct scatterlist *sg;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  969) 	int result;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  970) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  971) 	/* Figure out the initial LBA and page */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  972) 	lba = address >> info->blockshift;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  973) 	page = (address & info->blockmask);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  974) 	maxlba = info->capacity >> (info->pageshift + info->blockshift);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  975) 	if (lba >= maxlba)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  976) 		return -EIO;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  977) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  978) 	/*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  979) 	 * blockbuffer is used for reading in the old data, overwriting
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  980) 	 * with the new data, and performing ECC calculations
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  981) 	 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  982) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  983) 	/*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  984) 	 * TODO: instead of doing kmalloc/kfree for each write,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  985) 	 * add a bufferpointer to the info structure
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  986) 	 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  987) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  988) 	pagelen = (1 << info->pageshift) + (1 << CONTROL_SHIFT);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  989) 	blocklen = (pagelen << info->blockshift);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  990) 	blockbuffer = kmalloc(blocklen, GFP_NOIO);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  991) 	if (!blockbuffer)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  992) 		return -ENOMEM;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  993) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  994) 	/*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  995) 	 * Since we don't write the user data directly to the device,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  996) 	 * we have to create a bounce buffer and move the data a piece
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  997) 	 * at a time between the bounce buffer and the actual transfer buffer.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  998) 	 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  999) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1000) 	len = min(sectors, (unsigned int) info->blocksize) * info->pagesize;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1001) 	buffer = kmalloc(len, GFP_NOIO);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1002) 	if (!buffer) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1003) 		kfree(blockbuffer);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1004) 		return -ENOMEM;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1005) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1006) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1007) 	result = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1008) 	offset = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1009) 	sg = NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1010) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1011) 	while (sectors > 0) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1012) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1013) 		/* Write as many sectors as possible in this block */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1014) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1015) 		pages = min(sectors, info->blocksize - page);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1016) 		len = (pages << info->pageshift);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1017) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1018) 		/* Not overflowing capacity? */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1019) 		if (lba >= maxlba) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1020) 			usb_stor_dbg(us, "Error: Requested lba %u exceeds maximum %u\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1021) 				     lba, maxlba);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1022) 			result = -EIO;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1023) 			break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1024) 		}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1025) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1026) 		/* Get the data from the transfer buffer */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1027) 		usb_stor_access_xfer_buf(buffer, len, us->srb,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1028) 				&sg, &offset, FROM_XFER_BUF);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1029) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1030) 		result = sddr09_write_lba(us, lba, page, pages,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1031) 				buffer, blockbuffer);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1032) 		if (result)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1033) 			break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1034) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1035) 		page = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1036) 		lba++;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1037) 		sectors -= pages;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1038) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1039) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1040) 	kfree(buffer);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1041) 	kfree(blockbuffer);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1042) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1043) 	return result;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1044) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1045) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1046) static int
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1047) sddr09_read_control(struct us_data *us,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1048) 		unsigned long address,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1049) 		unsigned int blocks,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1050) 		unsigned char *content,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1051) 		int use_sg) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1052) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1053) 	usb_stor_dbg(us, "Read control address %lu, blocks %d\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1054) 		     address, blocks);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1055) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1056) 	return sddr09_read21(us, address, blocks,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1057) 			     CONTROL_SHIFT, content, use_sg);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1058) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1059) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1060) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1061)  * Read Device ID Command: 12 bytes.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1062)  * byte 0: opcode: ED
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1063)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1064)  * Returns 2 bytes: Manufacturer ID and Device ID.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1065)  * On more recent cards 3 bytes: the third byte is an option code A5
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1066)  * signifying that the secret command to read an 128-bit ID is available.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1067)  * On still more recent cards 4 bytes: the fourth byte C0 means that
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1068)  * a second read ID cmd is available.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1069)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1070) static int
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1071) sddr09_read_deviceID(struct us_data *us, unsigned char *deviceID) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1072) 	unsigned char *command = us->iobuf;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1073) 	unsigned char *content = us->iobuf;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1074) 	int result, i;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1075) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1076) 	memset(command, 0, 12);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1077) 	command[0] = 0xED;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1078) 	command[1] = LUNBITS;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1079) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1080) 	result = sddr09_send_scsi_command(us, command, 12);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1081) 	if (result)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1082) 		return result;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1083) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1084) 	result = usb_stor_bulk_transfer_buf(us, us->recv_bulk_pipe,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1085) 			content, 64, NULL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1086) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1087) 	for (i = 0; i < 4; i++)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1088) 		deviceID[i] = content[i];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1089) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1090) 	return (result == USB_STOR_XFER_GOOD ? 0 : -EIO);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1091) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1092) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1093) static int
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1094) sddr09_get_wp(struct us_data *us, struct sddr09_card_info *info) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1095) 	int result;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1096) 	unsigned char status;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1097) 	const char *wp_fmt;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1098) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1099) 	result = sddr09_read_status(us, &status);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1100) 	if (result) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1101) 		usb_stor_dbg(us, "read_status fails\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1102) 		return result;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1103) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1104) 	if ((status & 0x80) == 0) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1105) 		info->flags |= SDDR09_WP;	/* write protected */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1106) 		wp_fmt = " WP";
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1107) 	} else {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1108) 		wp_fmt = "";
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1109) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1110) 	usb_stor_dbg(us, "status 0x%02X%s%s%s%s\n", status, wp_fmt,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1111) 		     status & 0x40 ? " Ready" : "",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1112) 		     status & LUNBITS ? " Suspended" : "",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1113) 		     status & 0x01 ? " Error" : "");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1114) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1115) 	return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1116) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1117) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1118) #if 0
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1119) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1120)  * Reset Command: 12 bytes.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1121)  * byte 0: opcode: EB
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1122)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1123) static int
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1124) sddr09_reset(struct us_data *us) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1125) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1126) 	unsigned char *command = us->iobuf;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1127) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1128) 	memset(command, 0, 12);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1129) 	command[0] = 0xEB;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1130) 	command[1] = LUNBITS;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1131) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1132) 	return sddr09_send_scsi_command(us, command, 12);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1133) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1134) #endif
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1135) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1136) static struct nand_flash_dev *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1137) sddr09_get_cardinfo(struct us_data *us, unsigned char flags) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1138) 	struct nand_flash_dev *cardinfo;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1139) 	unsigned char deviceID[4];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1140) 	char blurbtxt[256];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1141) 	int result;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1142) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1143) 	usb_stor_dbg(us, "Reading capacity...\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1144) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1145) 	result = sddr09_read_deviceID(us, deviceID);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1146) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1147) 	if (result) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1148) 		usb_stor_dbg(us, "Result of read_deviceID is %d\n", result);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1149) 		printk(KERN_WARNING "sddr09: could not read card info\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1150) 		return NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1151) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1152) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1153) 	sprintf(blurbtxt, "sddr09: Found Flash card, ID = %4ph", deviceID);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1154) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1155) 	/* Byte 0 is the manufacturer */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1156) 	sprintf(blurbtxt + strlen(blurbtxt),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1157) 		": Manuf. %s",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1158) 		nand_flash_manufacturer(deviceID[0]));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1159) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1160) 	/* Byte 1 is the device type */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1161) 	cardinfo = nand_find_id(deviceID[1]);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1162) 	if (cardinfo) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1163) 		/*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1164) 		 * MB or MiB? It is neither. A 16 MB card has
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1165) 		 * 17301504 raw bytes, of which 16384000 are
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1166) 		 * usable for user data.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1167) 		 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1168) 		sprintf(blurbtxt + strlen(blurbtxt),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1169) 			", %d MB", 1<<(cardinfo->chipshift - 20));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1170) 	} else {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1171) 		sprintf(blurbtxt + strlen(blurbtxt),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1172) 			", type unrecognized");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1173) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1174) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1175) 	/* Byte 2 is code to signal availability of 128-bit ID */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1176) 	if (deviceID[2] == 0xa5) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1177) 		sprintf(blurbtxt + strlen(blurbtxt),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1178) 			", 128-bit ID");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1179) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1180) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1181) 	/* Byte 3 announces the availability of another read ID command */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1182) 	if (deviceID[3] == 0xc0) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1183) 		sprintf(blurbtxt + strlen(blurbtxt),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1184) 			", extra cmd");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1185) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1186) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1187) 	if (flags & SDDR09_WP)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1188) 		sprintf(blurbtxt + strlen(blurbtxt),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1189) 			", WP");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1190) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1191) 	printk(KERN_WARNING "%s\n", blurbtxt);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1192) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1193) 	return cardinfo;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1194) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1195) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1196) static int
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1197) sddr09_read_map(struct us_data *us) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1198) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1199) 	struct sddr09_card_info *info = (struct sddr09_card_info *) us->extra;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1200) 	int numblocks, alloc_len, alloc_blocks;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1201) 	int i, j, result;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1202) 	unsigned char *buffer, *buffer_end, *ptr;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1203) 	unsigned int lba, lbact;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1204) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1205) 	if (!info->capacity)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1206) 		return -1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1207) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1208) 	/*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1209) 	 * size of a block is 1 << (blockshift + pageshift) bytes
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1210) 	 * divide into the total capacity to get the number of blocks
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1211) 	 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1212) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1213) 	numblocks = info->capacity >> (info->blockshift + info->pageshift);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1214) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1215) 	/*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1216) 	 * read 64 bytes for every block (actually 1 << CONTROL_SHIFT)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1217) 	 * but only use a 64 KB buffer
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1218) 	 * buffer size used must be a multiple of (1 << CONTROL_SHIFT)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1219) 	 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1220) #define SDDR09_READ_MAP_BUFSZ 65536
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1221) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1222) 	alloc_blocks = min(numblocks, SDDR09_READ_MAP_BUFSZ >> CONTROL_SHIFT);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1223) 	alloc_len = (alloc_blocks << CONTROL_SHIFT);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1224) 	buffer = kmalloc(alloc_len, GFP_NOIO);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1225) 	if (!buffer) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1226) 		result = -1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1227) 		goto done;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1228) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1229) 	buffer_end = buffer + alloc_len;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1230) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1231) #undef SDDR09_READ_MAP_BUFSZ
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1232) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1233) 	kfree(info->lba_to_pba);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1234) 	kfree(info->pba_to_lba);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1235) 	info->lba_to_pba = kmalloc_array(numblocks, sizeof(int), GFP_NOIO);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1236) 	info->pba_to_lba = kmalloc_array(numblocks, sizeof(int), GFP_NOIO);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1237) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1238) 	if (info->lba_to_pba == NULL || info->pba_to_lba == NULL) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1239) 		printk(KERN_WARNING "sddr09_read_map: out of memory\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1240) 		result = -1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1241) 		goto done;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1242) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1243) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1244) 	for (i = 0; i < numblocks; i++)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1245) 		info->lba_to_pba[i] = info->pba_to_lba[i] = UNDEF;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1246) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1247) 	/*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1248) 	 * Define lba-pba translation table
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1249) 	 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1250) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1251) 	ptr = buffer_end;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1252) 	for (i = 0; i < numblocks; i++) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1253) 		ptr += (1 << CONTROL_SHIFT);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1254) 		if (ptr >= buffer_end) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1255) 			unsigned long address;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1256) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1257) 			address = i << (info->pageshift + info->blockshift);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1258) 			result = sddr09_read_control(
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1259) 				us, address>>1,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1260) 				min(alloc_blocks, numblocks - i),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1261) 				buffer, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1262) 			if (result) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1263) 				result = -1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1264) 				goto done;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1265) 			}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1266) 			ptr = buffer;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1267) 		}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1268) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1269) 		if (i == 0 || i == 1) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1270) 			info->pba_to_lba[i] = UNUSABLE;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1271) 			continue;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1272) 		}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1273) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1274) 		/* special PBAs have control field 0^16 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1275) 		for (j = 0; j < 16; j++)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1276) 			if (ptr[j] != 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1277) 				goto nonz;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1278) 		info->pba_to_lba[i] = UNUSABLE;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1279) 		printk(KERN_WARNING "sddr09: PBA %d has no logical mapping\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1280) 		       i);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1281) 		continue;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1282) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1283) 	nonz:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1284) 		/* unwritten PBAs have control field FF^16 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1285) 		for (j = 0; j < 16; j++)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1286) 			if (ptr[j] != 0xff)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1287) 				goto nonff;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1288) 		continue;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1289) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1290) 	nonff:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1291) 		/* normal PBAs start with six FFs */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1292) 		if (j < 6) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1293) 			printk(KERN_WARNING
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1294) 			       "sddr09: PBA %d has no logical mapping: "
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1295) 			       "reserved area = %02X%02X%02X%02X "
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1296) 			       "data status %02X block status %02X\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1297) 			       i, ptr[0], ptr[1], ptr[2], ptr[3],
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1298) 			       ptr[4], ptr[5]);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1299) 			info->pba_to_lba[i] = UNUSABLE;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1300) 			continue;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1301) 		}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1302) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1303) 		if ((ptr[6] >> 4) != 0x01) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1304) 			printk(KERN_WARNING
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1305) 			       "sddr09: PBA %d has invalid address field "
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1306) 			       "%02X%02X/%02X%02X\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1307) 			       i, ptr[6], ptr[7], ptr[11], ptr[12]);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1308) 			info->pba_to_lba[i] = UNUSABLE;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1309) 			continue;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1310) 		}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1311) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1312) 		/* check even parity */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1313) 		if (parity[ptr[6] ^ ptr[7]]) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1314) 			printk(KERN_WARNING
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1315) 			       "sddr09: Bad parity in LBA for block %d"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1316) 			       " (%02X %02X)\n", i, ptr[6], ptr[7]);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1317) 			info->pba_to_lba[i] = UNUSABLE;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1318) 			continue;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1319) 		}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1320) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1321) 		lba = short_pack(ptr[7], ptr[6]);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1322) 		lba = (lba & 0x07FF) >> 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1323) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1324) 		/*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1325) 		 * Every 1024 physical blocks ("zone"), the LBA numbers
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1326) 		 * go back to zero, but are within a higher block of LBA's.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1327) 		 * Also, there is a maximum of 1000 LBA's per zone.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1328) 		 * In other words, in PBA 1024-2047 you will find LBA 0-999
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1329) 		 * which are really LBA 1000-1999. This allows for 24 bad
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1330) 		 * or special physical blocks per zone.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1331) 		 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1332) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1333) 		if (lba >= 1000) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1334) 			printk(KERN_WARNING
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1335) 			       "sddr09: Bad low LBA %d for block %d\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1336) 			       lba, i);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1337) 			goto possibly_erase;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1338) 		}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1339) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1340) 		lba += 1000*(i/0x400);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1341) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1342) 		if (info->lba_to_pba[lba] != UNDEF) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1343) 			printk(KERN_WARNING
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1344) 			       "sddr09: LBA %d seen for PBA %d and %d\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1345) 			       lba, info->lba_to_pba[lba], i);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1346) 			goto possibly_erase;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1347) 		}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1348) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1349) 		info->pba_to_lba[i] = lba;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1350) 		info->lba_to_pba[lba] = i;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1351) 		continue;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1352) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1353) 	possibly_erase:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1354) 		if (erase_bad_lba_entries) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1355) 			unsigned long address;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1356) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1357) 			address = (i << (info->pageshift + info->blockshift));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1358) 			sddr09_erase(us, address>>1);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1359) 			info->pba_to_lba[i] = UNDEF;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1360) 		} else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1361) 			info->pba_to_lba[i] = UNUSABLE;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1362) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1363) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1364) 	/*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1365) 	 * Approximate capacity. This is not entirely correct yet,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1366) 	 * since a zone with less than 1000 usable pages leads to
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1367) 	 * missing LBAs. Especially if it is the last zone, some
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1368) 	 * LBAs can be past capacity.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1369) 	 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1370) 	lbact = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1371) 	for (i = 0; i < numblocks; i += 1024) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1372) 		int ct = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1373) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1374) 		for (j = 0; j < 1024 && i+j < numblocks; j++) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1375) 			if (info->pba_to_lba[i+j] != UNUSABLE) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1376) 				if (ct >= 1000)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1377) 					info->pba_to_lba[i+j] = SPARE;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1378) 				else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1379) 					ct++;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1380) 			}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1381) 		}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1382) 		lbact += ct;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1383) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1384) 	info->lbact = lbact;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1385) 	usb_stor_dbg(us, "Found %d LBA's\n", lbact);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1386) 	result = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1387) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1388)  done:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1389) 	if (result != 0) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1390) 		kfree(info->lba_to_pba);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1391) 		kfree(info->pba_to_lba);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1392) 		info->lba_to_pba = NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1393) 		info->pba_to_lba = NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1394) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1395) 	kfree(buffer);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1396) 	return result;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1397) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1398) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1399) static void
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1400) sddr09_card_info_destructor(void *extra) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1401) 	struct sddr09_card_info *info = (struct sddr09_card_info *)extra;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1402) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1403) 	if (!info)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1404) 		return;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1405) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1406) 	kfree(info->lba_to_pba);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1407) 	kfree(info->pba_to_lba);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1408) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1409) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1410) static int
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1411) sddr09_common_init(struct us_data *us) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1412) 	int result;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1413) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1414) 	/* set the configuration -- STALL is an acceptable response here */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1415) 	if (us->pusb_dev->actconfig->desc.bConfigurationValue != 1) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1416) 		usb_stor_dbg(us, "active config #%d != 1 ??\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1417) 			     us->pusb_dev->actconfig->desc.bConfigurationValue);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1418) 		return -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1419) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1420) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1421) 	result = usb_reset_configuration(us->pusb_dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1422) 	usb_stor_dbg(us, "Result of usb_reset_configuration is %d\n", result);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1423) 	if (result == -EPIPE) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1424) 		usb_stor_dbg(us, "-- stall on control interface\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1425) 	} else if (result != 0) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1426) 		/* it's not a stall, but another error -- time to bail */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1427) 		usb_stor_dbg(us, "-- Unknown error.  Rejecting device\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1428) 		return -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1429) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1430) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1431) 	us->extra = kzalloc(sizeof(struct sddr09_card_info), GFP_NOIO);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1432) 	if (!us->extra)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1433) 		return -ENOMEM;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1434) 	us->extra_destructor = sddr09_card_info_destructor;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1435) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1436) 	nand_init_ecc();
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1437) 	return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1438) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1439) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1440) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1441) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1442)  * This is needed at a very early stage. If this is not listed in the
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1443)  * unusual devices list but called from here then LUN 0 of the combo reader
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1444)  * is not recognized. But I do not know what precisely these calls do.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1445)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1446) static int
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1447) usb_stor_sddr09_dpcm_init(struct us_data *us) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1448) 	int result;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1449) 	unsigned char *data = us->iobuf;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1450) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1451) 	result = sddr09_common_init(us);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1452) 	if (result)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1453) 		return result;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1454) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1455) 	result = sddr09_send_command(us, 0x01, USB_DIR_IN, data, 2);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1456) 	if (result) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1457) 		usb_stor_dbg(us, "send_command fails\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1458) 		return result;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1459) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1460) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1461) 	usb_stor_dbg(us, "%02X %02X\n", data[0], data[1]);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1462) 	// get 07 02
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1463) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1464) 	result = sddr09_send_command(us, 0x08, USB_DIR_IN, data, 2);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1465) 	if (result) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1466) 		usb_stor_dbg(us, "2nd send_command fails\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1467) 		return result;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1468) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1469) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1470) 	usb_stor_dbg(us, "%02X %02X\n", data[0], data[1]);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1471) 	// get 07 00
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1472) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1473) 	result = sddr09_request_sense(us, data, 18);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1474) 	if (result == 0 && data[2] != 0) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1475) 		int j;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1476) 		for (j=0; j<18; j++)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1477) 			printk(" %02X", data[j]);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1478) 		printk("\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1479) 		// get 70 00 00 00 00 00 00 * 00 00 00 00 00 00
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1480) 		// 70: current command
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1481) 		// sense key 0, sense code 0, extd sense code 0
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1482) 		// additional transfer length * = sizeof(data) - 7
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1483) 		// Or: 70 00 06 00 00 00 00 0b 00 00 00 00 28 00 00 00 00 00
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1484) 		// sense key 06, sense code 28: unit attention,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1485) 		// not ready to ready transition
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1486) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1487) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1488) 	// test unit ready
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1489) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1490) 	return 0;		/* not result */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1491) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1492) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1493) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1494)  * Transport for the Microtech DPCM-USB
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1495)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1496) static int dpcm_transport(struct scsi_cmnd *srb, struct us_data *us)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1497) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1498) 	int ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1499) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1500) 	usb_stor_dbg(us, "LUN=%d\n", (u8)srb->device->lun);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1501) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1502) 	switch (srb->device->lun) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1503) 	case 0:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1504) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1505) 		/*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1506) 		 * LUN 0 corresponds to the CompactFlash card reader.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1507) 		 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1508) 		ret = usb_stor_CB_transport(srb, us);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1509) 		break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1510) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1511) 	case 1:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1512) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1513) 		/*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1514) 		 * LUN 1 corresponds to the SmartMedia card reader.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1515) 		 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1516) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1517) 		/*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1518) 		 * Set the LUN to 0 (just in case).
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1519) 		 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1520) 		srb->device->lun = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1521) 		ret = sddr09_transport(srb, us);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1522) 		srb->device->lun = 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1523) 		break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1524) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1525) 	default:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1526) 	    usb_stor_dbg(us, "Invalid LUN %d\n", (u8)srb->device->lun);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1527) 		ret = USB_STOR_TRANSPORT_ERROR;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1528) 		break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1529) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1530) 	return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1531) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1532) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1533) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1534) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1535)  * Transport for the Sandisk SDDR-09
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1536)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1537) static int sddr09_transport(struct scsi_cmnd *srb, struct us_data *us)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1538) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1539) 	static unsigned char sensekey = 0, sensecode = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1540) 	static unsigned char havefakesense = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1541) 	int result, i;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1542) 	unsigned char *ptr = us->iobuf;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1543) 	unsigned long capacity;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1544) 	unsigned int page, pages;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1545) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1546) 	struct sddr09_card_info *info;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1547) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1548) 	static unsigned char inquiry_response[8] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1549) 		0x00, 0x80, 0x00, 0x02, 0x1F, 0x00, 0x00, 0x00
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1550) 	};
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1551) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1552) 	/* note: no block descriptor support */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1553) 	static unsigned char mode_page_01[19] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1554) 		0x00, 0x0F, 0x00, 0x0, 0x0, 0x0, 0x00,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1555) 		0x01, 0x0A,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1556) 		0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1557) 	};
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1558) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1559) 	info = (struct sddr09_card_info *)us->extra;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1560) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1561) 	if (srb->cmnd[0] == REQUEST_SENSE && havefakesense) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1562) 		/* for a faked command, we have to follow with a faked sense */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1563) 		memset(ptr, 0, 18);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1564) 		ptr[0] = 0x70;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1565) 		ptr[2] = sensekey;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1566) 		ptr[7] = 11;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1567) 		ptr[12] = sensecode;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1568) 		usb_stor_set_xfer_buf(ptr, 18, srb);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1569) 		sensekey = sensecode = havefakesense = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1570) 		return USB_STOR_TRANSPORT_GOOD;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1571) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1572) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1573) 	havefakesense = 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1574) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1575) 	/*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1576) 	 * Dummy up a response for INQUIRY since SDDR09 doesn't
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1577) 	 * respond to INQUIRY commands
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1578) 	 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1579) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1580) 	if (srb->cmnd[0] == INQUIRY) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1581) 		memcpy(ptr, inquiry_response, 8);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1582) 		fill_inquiry_response(us, ptr, 36);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1583) 		return USB_STOR_TRANSPORT_GOOD;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1584) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1585) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1586) 	if (srb->cmnd[0] == READ_CAPACITY) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1587) 		struct nand_flash_dev *cardinfo;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1588) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1589) 		sddr09_get_wp(us, info);	/* read WP bit */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1590) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1591) 		cardinfo = sddr09_get_cardinfo(us, info->flags);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1592) 		if (!cardinfo) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1593) 			/* probably no media */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1594) 		init_error:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1595) 			sensekey = 0x02;	/* not ready */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1596) 			sensecode = 0x3a;	/* medium not present */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1597) 			return USB_STOR_TRANSPORT_FAILED;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1598) 		}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1599) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1600) 		info->capacity = (1 << cardinfo->chipshift);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1601) 		info->pageshift = cardinfo->pageshift;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1602) 		info->pagesize = (1 << info->pageshift);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1603) 		info->blockshift = cardinfo->blockshift;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1604) 		info->blocksize = (1 << info->blockshift);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1605) 		info->blockmask = info->blocksize - 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1606) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1607) 		// map initialization, must follow get_cardinfo()
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1608) 		if (sddr09_read_map(us)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1609) 			/* probably out of memory */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1610) 			goto init_error;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1611) 		}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1612) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1613) 		// Report capacity
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1614) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1615) 		capacity = (info->lbact << info->blockshift) - 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1616) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1617) 		((__be32 *) ptr)[0] = cpu_to_be32(capacity);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1618) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1619) 		// Report page size
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1620) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1621) 		((__be32 *) ptr)[1] = cpu_to_be32(info->pagesize);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1622) 		usb_stor_set_xfer_buf(ptr, 8, srb);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1623) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1624) 		return USB_STOR_TRANSPORT_GOOD;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1625) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1626) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1627) 	if (srb->cmnd[0] == MODE_SENSE_10) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1628) 		int modepage = (srb->cmnd[2] & 0x3F);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1629) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1630) 		/*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1631) 		 * They ask for the Read/Write error recovery page,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1632) 		 * or for all pages.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1633) 		 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1634) 		/* %% We should check DBD %% */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1635) 		if (modepage == 0x01 || modepage == 0x3F) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1636) 			usb_stor_dbg(us, "Dummy up request for mode page 0x%x\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1637) 				     modepage);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1638) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1639) 			memcpy(ptr, mode_page_01, sizeof(mode_page_01));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1640) 			((__be16*)ptr)[0] = cpu_to_be16(sizeof(mode_page_01) - 2);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1641) 			ptr[3] = (info->flags & SDDR09_WP) ? 0x80 : 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1642) 			usb_stor_set_xfer_buf(ptr, sizeof(mode_page_01), srb);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1643) 			return USB_STOR_TRANSPORT_GOOD;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1644) 		}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1645) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1646) 		sensekey = 0x05;	/* illegal request */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1647) 		sensecode = 0x24;	/* invalid field in CDB */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1648) 		return USB_STOR_TRANSPORT_FAILED;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1649) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1650) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1651) 	if (srb->cmnd[0] == ALLOW_MEDIUM_REMOVAL)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1652) 		return USB_STOR_TRANSPORT_GOOD;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1653) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1654) 	havefakesense = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1655) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1656) 	if (srb->cmnd[0] == READ_10) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1657) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1658) 		page = short_pack(srb->cmnd[3], srb->cmnd[2]);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1659) 		page <<= 16;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1660) 		page |= short_pack(srb->cmnd[5], srb->cmnd[4]);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1661) 		pages = short_pack(srb->cmnd[8], srb->cmnd[7]);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1662) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1663) 		usb_stor_dbg(us, "READ_10: read page %d pagect %d\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1664) 			     page, pages);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1665) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1666) 		result = sddr09_read_data(us, page, pages);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1667) 		return (result == 0 ? USB_STOR_TRANSPORT_GOOD :
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1668) 				USB_STOR_TRANSPORT_ERROR);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1669) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1670) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1671) 	if (srb->cmnd[0] == WRITE_10) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1672) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1673) 		page = short_pack(srb->cmnd[3], srb->cmnd[2]);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1674) 		page <<= 16;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1675) 		page |= short_pack(srb->cmnd[5], srb->cmnd[4]);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1676) 		pages = short_pack(srb->cmnd[8], srb->cmnd[7]);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1677) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1678) 		usb_stor_dbg(us, "WRITE_10: write page %d pagect %d\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1679) 			     page, pages);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1680) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1681) 		result = sddr09_write_data(us, page, pages);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1682) 		return (result == 0 ? USB_STOR_TRANSPORT_GOOD :
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1683) 				USB_STOR_TRANSPORT_ERROR);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1684) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1685) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1686) 	/*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1687) 	 * catch-all for all other commands, except
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1688) 	 * pass TEST_UNIT_READY and REQUEST_SENSE through
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1689) 	 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1690) 	if (srb->cmnd[0] != TEST_UNIT_READY &&
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1691) 	    srb->cmnd[0] != REQUEST_SENSE) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1692) 		sensekey = 0x05;	/* illegal request */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1693) 		sensecode = 0x20;	/* invalid command */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1694) 		havefakesense = 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1695) 		return USB_STOR_TRANSPORT_FAILED;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1696) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1697) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1698) 	for (; srb->cmd_len<12; srb->cmd_len++)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1699) 		srb->cmnd[srb->cmd_len] = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1700) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1701) 	srb->cmnd[1] = LUNBITS;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1702) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1703) 	ptr[0] = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1704) 	for (i=0; i<12; i++)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1705) 		sprintf(ptr+strlen(ptr), "%02X ", srb->cmnd[i]);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1706) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1707) 	usb_stor_dbg(us, "Send control for command %s\n", ptr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1708) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1709) 	result = sddr09_send_scsi_command(us, srb->cmnd, 12);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1710) 	if (result) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1711) 		usb_stor_dbg(us, "sddr09_send_scsi_command returns %d\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1712) 			     result);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1713) 		return USB_STOR_TRANSPORT_ERROR;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1714) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1715) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1716) 	if (scsi_bufflen(srb) == 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1717) 		return USB_STOR_TRANSPORT_GOOD;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1718) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1719) 	if (srb->sc_data_direction == DMA_TO_DEVICE ||
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1720) 	    srb->sc_data_direction == DMA_FROM_DEVICE) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1721) 		unsigned int pipe = (srb->sc_data_direction == DMA_TO_DEVICE)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1722) 				? us->send_bulk_pipe : us->recv_bulk_pipe;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1723) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1724) 		usb_stor_dbg(us, "%s %d bytes\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1725) 			     (srb->sc_data_direction == DMA_TO_DEVICE) ?
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1726) 			     "sending" : "receiving",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1727) 			     scsi_bufflen(srb));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1728) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1729) 		result = usb_stor_bulk_srb(us, pipe, srb);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1730) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1731) 		return (result == USB_STOR_XFER_GOOD ?
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1732) 			USB_STOR_TRANSPORT_GOOD : USB_STOR_TRANSPORT_ERROR);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1733) 	} 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1734) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1735) 	return USB_STOR_TRANSPORT_GOOD;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1736) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1737) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1738) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1739)  * Initialization routine for the sddr09 subdriver
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1740)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1741) static int
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1742) usb_stor_sddr09_init(struct us_data *us) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1743) 	return sddr09_common_init(us);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1744) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1745) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1746) static struct scsi_host_template sddr09_host_template;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1747) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1748) static int sddr09_probe(struct usb_interface *intf,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1749) 			 const struct usb_device_id *id)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1750) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1751) 	struct us_data *us;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1752) 	int result;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1753) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1754) 	result = usb_stor_probe1(&us, intf, id,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1755) 			(id - sddr09_usb_ids) + sddr09_unusual_dev_list,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1756) 			&sddr09_host_template);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1757) 	if (result)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1758) 		return result;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1759) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1760) 	if (us->protocol == USB_PR_DPCM_USB) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1761) 		us->transport_name = "Control/Bulk-EUSB/SDDR09";
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1762) 		us->transport = dpcm_transport;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1763) 		us->transport_reset = usb_stor_CB_reset;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1764) 		us->max_lun = 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1765) 	} else {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1766) 		us->transport_name = "EUSB/SDDR09";
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1767) 		us->transport = sddr09_transport;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1768) 		us->transport_reset = usb_stor_CB_reset;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1769) 		us->max_lun = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1770) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1771) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1772) 	result = usb_stor_probe2(us);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1773) 	return result;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1774) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1775) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1776) static struct usb_driver sddr09_driver = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1777) 	.name =		DRV_NAME,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1778) 	.probe =	sddr09_probe,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1779) 	.disconnect =	usb_stor_disconnect,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1780) 	.suspend =	usb_stor_suspend,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1781) 	.resume =	usb_stor_resume,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1782) 	.reset_resume =	usb_stor_reset_resume,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1783) 	.pre_reset =	usb_stor_pre_reset,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1784) 	.post_reset =	usb_stor_post_reset,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1785) 	.id_table =	sddr09_usb_ids,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1786) 	.soft_unbind =	1,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1787) 	.no_dynamic_id = 1,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1788) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1789) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1790) module_usb_stor_driver(sddr09_driver, sddr09_host_template, DRV_NAME);