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8b0fb6f872
"buf" gets allocated twice in a row. It's the second allocation which is correct. The first one should be removed. Signed-off-by: Dan Carpenter <error27@gmail.com> Acked-by: huajun li <huajun.li.lee@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
804 lines
21 KiB
C
804 lines
21 KiB
C
/*
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License as published by the
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* Free Software Foundation; either version 2, or (at your option) any
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* later version.
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*
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* This program is distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License along
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* with this program; if not, write to the Free Software Foundation, Inc.,
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* 675 Mass Ave, Cambridge, MA 02139, USA.
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*/
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#include <linux/jiffies.h>
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#include <linux/errno.h>
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#include <linux/module.h>
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#include <linux/slab.h>
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#include <scsi/scsi.h>
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#include <scsi/scsi_cmnd.h>
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#include <linux/firmware.h>
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#include "usb.h"
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#include "transport.h"
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#include "protocol.h"
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#include "debug.h"
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MODULE_DESCRIPTION("Driver for ENE UB6250 reader");
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MODULE_LICENSE("GPL");
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/*
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* The table of devices
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*/
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#define UNUSUAL_DEV(id_vendor, id_product, bcdDeviceMin, bcdDeviceMax, \
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vendorName, productName, useProtocol, useTransport, \
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initFunction, flags) \
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{ USB_DEVICE_VER(id_vendor, id_product, bcdDeviceMin, bcdDeviceMax), \
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.driver_info = (flags)|(USB_US_TYPE_STOR<<24) }
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struct usb_device_id ene_ub6250_usb_ids[] = {
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# include "unusual_ene_ub6250.h"
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{ } /* Terminating entry */
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};
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MODULE_DEVICE_TABLE(usb, ene_ub6250_usb_ids);
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#undef UNUSUAL_DEV
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/*
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* The flags table
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*/
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#define UNUSUAL_DEV(idVendor, idProduct, bcdDeviceMin, bcdDeviceMax, \
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vendor_name, product_name, use_protocol, use_transport, \
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init_function, Flags) \
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{ \
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.vendorName = vendor_name, \
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.productName = product_name, \
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.useProtocol = use_protocol, \
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.useTransport = use_transport, \
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.initFunction = init_function, \
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}
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static struct us_unusual_dev ene_ub6250_unusual_dev_list[] = {
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# include "unusual_ene_ub6250.h"
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{ } /* Terminating entry */
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};
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#undef UNUSUAL_DEV
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/* ENE bin code len */
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#define ENE_BIN_CODE_LEN 0x800
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/* EnE HW Register */
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#define REG_CARD_STATUS 0xFF83
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#define REG_HW_TRAP1 0xFF89
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/* SRB Status */
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#define SS_SUCCESS 0x00 /* No Sense */
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#define SS_NOT_READY 0x02
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#define SS_MEDIUM_ERR 0x03
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#define SS_HW_ERR 0x04
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#define SS_ILLEGAL_REQUEST 0x05
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#define SS_UNIT_ATTENTION 0x06
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/* ENE Load FW Pattern */
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#define SD_INIT1_PATTERN 1
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#define SD_INIT2_PATTERN 2
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#define SD_RW_PATTERN 3
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#define MS_INIT_PATTERN 4
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#define MSP_RW_PATTERN 5
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#define MS_RW_PATTERN 6
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#define SM_INIT_PATTERN 7
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#define SM_RW_PATTERN 8
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#define FDIR_WRITE 0
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#define FDIR_READ 1
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struct SD_STATUS {
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u8 Insert:1;
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u8 Ready:1;
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u8 MediaChange:1;
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u8 IsMMC:1;
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u8 HiCapacity:1;
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u8 HiSpeed:1;
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u8 WtP:1;
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u8 Reserved:1;
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};
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struct MS_STATUS {
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u8 Insert:1;
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u8 Ready:1;
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u8 MediaChange:1;
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u8 IsMSPro:1;
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u8 IsMSPHG:1;
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u8 Reserved1:1;
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u8 WtP:1;
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u8 Reserved2:1;
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};
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struct SM_STATUS {
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u8 Insert:1;
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u8 Ready:1;
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u8 MediaChange:1;
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u8 Reserved:3;
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u8 WtP:1;
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u8 IsMS:1;
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};
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/* SD Block Length */
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/* 2^9 = 512 Bytes, The HW maximum read/write data length */
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#define SD_BLOCK_LEN 9
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struct ene_ub6250_info {
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/* for 6250 code */
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struct SD_STATUS SD_Status;
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struct MS_STATUS MS_Status;
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struct SM_STATUS SM_Status;
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/* ----- SD Control Data ---------------- */
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/*SD_REGISTER SD_Regs; */
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u16 SD_Block_Mult;
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u8 SD_READ_BL_LEN;
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u16 SD_C_SIZE;
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u8 SD_C_SIZE_MULT;
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/* SD/MMC New spec. */
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u8 SD_SPEC_VER;
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u8 SD_CSD_VER;
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u8 SD20_HIGH_CAPACITY;
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u32 HC_C_SIZE;
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u8 MMC_SPEC_VER;
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u8 MMC_BusWidth;
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u8 MMC_HIGH_CAPACITY;
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/*----- MS Control Data ---------------- */
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bool MS_SWWP;
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u32 MSP_TotalBlock;
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/*MS_LibControl MS_Lib;*/
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bool MS_IsRWPage;
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u16 MS_Model;
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/*----- SM Control Data ---------------- */
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u8 SM_DeviceID;
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u8 SM_CardID;
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unsigned char *testbuf;
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u8 BIN_FLAG;
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u32 bl_num;
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int SrbStatus;
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/*------Power Managerment ---------------*/
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bool Power_IsResum;
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};
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static int ene_sd_init(struct us_data *us);
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static int ene_load_bincode(struct us_data *us, unsigned char flag);
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static void ene_ub6250_info_destructor(void *extra)
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{
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if (!extra)
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return;
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}
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static int ene_send_scsi_cmd(struct us_data *us, u8 fDir, void *buf, int use_sg)
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{
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struct bulk_cb_wrap *bcb = (struct bulk_cb_wrap *) us->iobuf;
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struct bulk_cs_wrap *bcs = (struct bulk_cs_wrap *) us->iobuf;
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int result;
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unsigned int residue;
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unsigned int cswlen = 0, partial = 0;
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unsigned int transfer_length = bcb->DataTransferLength;
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/* US_DEBUGP("transport --- ene_send_scsi_cmd\n"); */
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/* send cmd to out endpoint */
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result = usb_stor_bulk_transfer_buf(us, us->send_bulk_pipe,
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bcb, US_BULK_CB_WRAP_LEN, NULL);
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if (result != USB_STOR_XFER_GOOD) {
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US_DEBUGP("send cmd to out endpoint fail ---\n");
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return USB_STOR_TRANSPORT_ERROR;
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}
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if (buf) {
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unsigned int pipe = fDir;
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if (fDir == FDIR_READ)
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pipe = us->recv_bulk_pipe;
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else
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pipe = us->send_bulk_pipe;
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/* Bulk */
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if (use_sg) {
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result = usb_stor_bulk_srb(us, pipe, us->srb);
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} else {
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result = usb_stor_bulk_transfer_sg(us, pipe, buf,
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transfer_length, 0, &partial);
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}
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if (result != USB_STOR_XFER_GOOD) {
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US_DEBUGP("data transfer fail ---\n");
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return USB_STOR_TRANSPORT_ERROR;
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}
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}
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/* Get CSW for device status */
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result = usb_stor_bulk_transfer_buf(us, us->recv_bulk_pipe, bcs,
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US_BULK_CS_WRAP_LEN, &cswlen);
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if (result == USB_STOR_XFER_SHORT && cswlen == 0) {
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US_DEBUGP("Received 0-length CSW; retrying...\n");
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result = usb_stor_bulk_transfer_buf(us, us->recv_bulk_pipe,
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bcs, US_BULK_CS_WRAP_LEN, &cswlen);
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}
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if (result == USB_STOR_XFER_STALLED) {
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/* get the status again */
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US_DEBUGP("Attempting to get CSW (2nd try)...\n");
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result = usb_stor_bulk_transfer_buf(us, us->recv_bulk_pipe,
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bcs, US_BULK_CS_WRAP_LEN, NULL);
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}
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if (result != USB_STOR_XFER_GOOD)
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return USB_STOR_TRANSPORT_ERROR;
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/* check bulk status */
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residue = le32_to_cpu(bcs->Residue);
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/* try to compute the actual residue, based on how much data
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* was really transferred and what the device tells us */
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if (residue && !(us->fflags & US_FL_IGNORE_RESIDUE)) {
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residue = min(residue, transfer_length);
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if (us->srb != NULL)
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scsi_set_resid(us->srb, max(scsi_get_resid(us->srb),
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(int)residue));
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}
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if (bcs->Status != US_BULK_STAT_OK)
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return USB_STOR_TRANSPORT_ERROR;
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return USB_STOR_TRANSPORT_GOOD;
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}
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static int sd_scsi_test_unit_ready(struct us_data *us, struct scsi_cmnd *srb)
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{
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struct ene_ub6250_info *info = (struct ene_ub6250_info *) us->extra;
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if (info->SD_Status.Insert && info->SD_Status.Ready)
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return USB_STOR_TRANSPORT_GOOD;
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else {
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ene_sd_init(us);
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return USB_STOR_TRANSPORT_GOOD;
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}
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return USB_STOR_TRANSPORT_GOOD;
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}
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static int sd_scsi_inquiry(struct us_data *us, struct scsi_cmnd *srb)
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{
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unsigned char data_ptr[36] = {
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0x00, 0x80, 0x02, 0x00, 0x1F, 0x00, 0x00, 0x00, 0x55,
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0x53, 0x42, 0x32, 0x2E, 0x30, 0x20, 0x20, 0x43, 0x61,
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0x72, 0x64, 0x52, 0x65, 0x61, 0x64, 0x65, 0x72, 0x20,
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0x20, 0x20, 0x20, 0x20, 0x20, 0x30, 0x31, 0x30, 0x30 };
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usb_stor_set_xfer_buf(data_ptr, 36, srb);
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return USB_STOR_TRANSPORT_GOOD;
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}
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static int sd_scsi_mode_sense(struct us_data *us, struct scsi_cmnd *srb)
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{
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struct ene_ub6250_info *info = (struct ene_ub6250_info *) us->extra;
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unsigned char mediaNoWP[12] = {
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0x0b, 0x00, 0x00, 0x08, 0x00, 0x00,
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0x71, 0xc0, 0x00, 0x00, 0x02, 0x00 };
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unsigned char mediaWP[12] = {
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0x0b, 0x00, 0x80, 0x08, 0x00, 0x00,
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0x71, 0xc0, 0x00, 0x00, 0x02, 0x00 };
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if (info->SD_Status.WtP)
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usb_stor_set_xfer_buf(mediaWP, 12, srb);
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else
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usb_stor_set_xfer_buf(mediaNoWP, 12, srb);
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return USB_STOR_TRANSPORT_GOOD;
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}
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static int sd_scsi_read_capacity(struct us_data *us, struct scsi_cmnd *srb)
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{
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u32 bl_num;
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u16 bl_len;
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unsigned int offset = 0;
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unsigned char buf[8];
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struct scatterlist *sg = NULL;
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struct ene_ub6250_info *info = (struct ene_ub6250_info *) us->extra;
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US_DEBUGP("sd_scsi_read_capacity\n");
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if (info->SD_Status.HiCapacity) {
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bl_len = 0x200;
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if (info->SD_Status.IsMMC)
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bl_num = info->HC_C_SIZE-1;
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else
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bl_num = (info->HC_C_SIZE + 1) * 1024 - 1;
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} else {
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bl_len = 1<<(info->SD_READ_BL_LEN);
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bl_num = info->SD_Block_Mult * (info->SD_C_SIZE + 1)
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* (1 << (info->SD_C_SIZE_MULT + 2)) - 1;
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}
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info->bl_num = bl_num;
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US_DEBUGP("bl_len = %x\n", bl_len);
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US_DEBUGP("bl_num = %x\n", bl_num);
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/*srb->request_bufflen = 8; */
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buf[0] = (bl_num >> 24) & 0xff;
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buf[1] = (bl_num >> 16) & 0xff;
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buf[2] = (bl_num >> 8) & 0xff;
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buf[3] = (bl_num >> 0) & 0xff;
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buf[4] = (bl_len >> 24) & 0xff;
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buf[5] = (bl_len >> 16) & 0xff;
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buf[6] = (bl_len >> 8) & 0xff;
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buf[7] = (bl_len >> 0) & 0xff;
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usb_stor_access_xfer_buf(buf, 8, srb, &sg, &offset, TO_XFER_BUF);
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return USB_STOR_TRANSPORT_GOOD;
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}
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static int sd_scsi_read(struct us_data *us, struct scsi_cmnd *srb)
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{
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int result;
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unsigned char *cdb = srb->cmnd;
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struct bulk_cb_wrap *bcb = (struct bulk_cb_wrap *) us->iobuf;
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struct ene_ub6250_info *info = (struct ene_ub6250_info *) us->extra;
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u32 bn = ((cdb[2] << 24) & 0xff000000) | ((cdb[3] << 16) & 0x00ff0000) |
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((cdb[4] << 8) & 0x0000ff00) | ((cdb[5] << 0) & 0x000000ff);
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u16 blen = ((cdb[7] << 8) & 0xff00) | ((cdb[8] << 0) & 0x00ff);
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u32 bnByte = bn * 0x200;
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u32 blenByte = blen * 0x200;
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if (bn > info->bl_num)
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return USB_STOR_TRANSPORT_ERROR;
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result = ene_load_bincode(us, SD_RW_PATTERN);
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if (result != USB_STOR_XFER_GOOD) {
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US_DEBUGP("Load SD RW pattern Fail !!\n");
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return USB_STOR_TRANSPORT_ERROR;
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}
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if (info->SD_Status.HiCapacity)
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bnByte = bn;
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/* set up the command wrapper */
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memset(bcb, 0, sizeof(struct bulk_cb_wrap));
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bcb->Signature = cpu_to_le32(US_BULK_CB_SIGN);
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bcb->DataTransferLength = blenByte;
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bcb->Flags = 0x80;
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bcb->CDB[0] = 0xF1;
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bcb->CDB[5] = (unsigned char)(bnByte);
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bcb->CDB[4] = (unsigned char)(bnByte>>8);
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bcb->CDB[3] = (unsigned char)(bnByte>>16);
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bcb->CDB[2] = (unsigned char)(bnByte>>24);
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result = ene_send_scsi_cmd(us, FDIR_READ, scsi_sglist(srb), 1);
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return result;
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}
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static int sd_scsi_write(struct us_data *us, struct scsi_cmnd *srb)
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{
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int result;
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unsigned char *cdb = srb->cmnd;
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struct bulk_cb_wrap *bcb = (struct bulk_cb_wrap *) us->iobuf;
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struct ene_ub6250_info *info = (struct ene_ub6250_info *) us->extra;
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u32 bn = ((cdb[2] << 24) & 0xff000000) | ((cdb[3] << 16) & 0x00ff0000) |
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((cdb[4] << 8) & 0x0000ff00) | ((cdb[5] << 0) & 0x000000ff);
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u16 blen = ((cdb[7] << 8) & 0xff00) | ((cdb[8] << 0) & 0x00ff);
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u32 bnByte = bn * 0x200;
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u32 blenByte = blen * 0x200;
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if (bn > info->bl_num)
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return USB_STOR_TRANSPORT_ERROR;
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result = ene_load_bincode(us, SD_RW_PATTERN);
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if (result != USB_STOR_XFER_GOOD) {
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US_DEBUGP("Load SD RW pattern Fail !!\n");
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return USB_STOR_TRANSPORT_ERROR;
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}
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if (info->SD_Status.HiCapacity)
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bnByte = bn;
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/* set up the command wrapper */
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memset(bcb, 0, sizeof(struct bulk_cb_wrap));
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bcb->Signature = cpu_to_le32(US_BULK_CB_SIGN);
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bcb->DataTransferLength = blenByte;
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bcb->Flags = 0x00;
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bcb->CDB[0] = 0xF0;
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bcb->CDB[5] = (unsigned char)(bnByte);
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bcb->CDB[4] = (unsigned char)(bnByte>>8);
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bcb->CDB[3] = (unsigned char)(bnByte>>16);
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bcb->CDB[2] = (unsigned char)(bnByte>>24);
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result = ene_send_scsi_cmd(us, FDIR_WRITE, scsi_sglist(srb), 1);
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return result;
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}
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static int ene_get_card_type(struct us_data *us, u16 index, void *buf)
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{
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struct bulk_cb_wrap *bcb = (struct bulk_cb_wrap *) us->iobuf;
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int result;
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memset(bcb, 0, sizeof(struct bulk_cb_wrap));
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bcb->Signature = cpu_to_le32(US_BULK_CB_SIGN);
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bcb->DataTransferLength = 0x01;
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bcb->Flags = 0x80;
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bcb->CDB[0] = 0xED;
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bcb->CDB[2] = (unsigned char)(index>>8);
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bcb->CDB[3] = (unsigned char)index;
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result = ene_send_scsi_cmd(us, FDIR_READ, buf, 0);
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return result;
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}
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static int ene_get_card_status(struct us_data *us, u8 *buf)
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{
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u16 tmpreg;
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u32 reg4b;
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struct ene_ub6250_info *info = (struct ene_ub6250_info *) us->extra;
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/*US_DEBUGP("transport --- ENE_ReadSDReg\n");*/
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reg4b = *(u32 *)&buf[0x18];
|
|
info->SD_READ_BL_LEN = (u8)((reg4b >> 8) & 0x0f);
|
|
|
|
tmpreg = (u16) reg4b;
|
|
reg4b = *(u32 *)(&buf[0x14]);
|
|
if (info->SD_Status.HiCapacity && !info->SD_Status.IsMMC)
|
|
info->HC_C_SIZE = (reg4b >> 8) & 0x3fffff;
|
|
|
|
info->SD_C_SIZE = ((tmpreg & 0x03) << 10) | (u16)(reg4b >> 22);
|
|
info->SD_C_SIZE_MULT = (u8)(reg4b >> 7) & 0x07;
|
|
if (info->SD_Status.HiCapacity && info->SD_Status.IsMMC)
|
|
info->HC_C_SIZE = *(u32 *)(&buf[0x100]);
|
|
|
|
if (info->SD_READ_BL_LEN > SD_BLOCK_LEN) {
|
|
info->SD_Block_Mult = 1 << (info->SD_READ_BL_LEN-SD_BLOCK_LEN);
|
|
info->SD_READ_BL_LEN = SD_BLOCK_LEN;
|
|
} else {
|
|
info->SD_Block_Mult = 1;
|
|
}
|
|
|
|
return USB_STOR_TRANSPORT_GOOD;
|
|
}
|
|
|
|
static int ene_load_bincode(struct us_data *us, unsigned char flag)
|
|
{
|
|
int err;
|
|
char *fw_name = NULL;
|
|
unsigned char *buf = NULL;
|
|
const struct firmware *sd_fw = NULL;
|
|
int result = USB_STOR_TRANSPORT_ERROR;
|
|
struct bulk_cb_wrap *bcb = (struct bulk_cb_wrap *) us->iobuf;
|
|
struct ene_ub6250_info *info = (struct ene_ub6250_info *) us->extra;
|
|
|
|
if (info->BIN_FLAG == flag)
|
|
return USB_STOR_TRANSPORT_GOOD;
|
|
|
|
switch (flag) {
|
|
/* For SD */
|
|
case SD_INIT1_PATTERN:
|
|
US_DEBUGP("SD_INIT1_PATTERN\n");
|
|
fw_name = "ene-ub6250/sd_init1.bin";
|
|
break;
|
|
case SD_INIT2_PATTERN:
|
|
US_DEBUGP("SD_INIT2_PATTERN\n");
|
|
fw_name = "ene-ub6250/sd_init2.bin";
|
|
break;
|
|
case SD_RW_PATTERN:
|
|
US_DEBUGP("SD_RDWR_PATTERN\n");
|
|
fw_name = "ene-ub6250/sd_rdwr.bin";
|
|
break;
|
|
default:
|
|
US_DEBUGP("----------- Unknown PATTERN ----------\n");
|
|
goto nofw;
|
|
}
|
|
|
|
err = request_firmware(&sd_fw, fw_name, &us->pusb_dev->dev);
|
|
if (err) {
|
|
US_DEBUGP("load firmware %s failed\n", fw_name);
|
|
goto nofw;
|
|
}
|
|
buf = kmalloc(sd_fw->size, GFP_KERNEL);
|
|
if (buf == NULL) {
|
|
US_DEBUGP("Malloc memory for fireware failed!\n");
|
|
goto nofw;
|
|
}
|
|
memcpy(buf, sd_fw->data, sd_fw->size);
|
|
memset(bcb, 0, sizeof(struct bulk_cb_wrap));
|
|
bcb->Signature = cpu_to_le32(US_BULK_CB_SIGN);
|
|
bcb->DataTransferLength = sd_fw->size;
|
|
bcb->Flags = 0x00;
|
|
bcb->CDB[0] = 0xEF;
|
|
|
|
result = ene_send_scsi_cmd(us, FDIR_WRITE, buf, 0);
|
|
info->BIN_FLAG = flag;
|
|
kfree(buf);
|
|
|
|
nofw:
|
|
if (sd_fw != NULL) {
|
|
release_firmware(sd_fw);
|
|
sd_fw = NULL;
|
|
}
|
|
|
|
return result;
|
|
}
|
|
|
|
static int ene_sd_init(struct us_data *us)
|
|
{
|
|
int result;
|
|
u8 buf[0x200];
|
|
struct bulk_cb_wrap *bcb = (struct bulk_cb_wrap *) us->iobuf;
|
|
struct ene_ub6250_info *info = (struct ene_ub6250_info *) us->extra;
|
|
|
|
US_DEBUGP("transport --- ENE_SDInit\n");
|
|
/* SD Init Part-1 */
|
|
result = ene_load_bincode(us, SD_INIT1_PATTERN);
|
|
if (result != USB_STOR_XFER_GOOD) {
|
|
US_DEBUGP("Load SD Init Code Part-1 Fail !!\n");
|
|
return USB_STOR_TRANSPORT_ERROR;
|
|
}
|
|
|
|
memset(bcb, 0, sizeof(struct bulk_cb_wrap));
|
|
bcb->Signature = cpu_to_le32(US_BULK_CB_SIGN);
|
|
bcb->Flags = 0x80;
|
|
bcb->CDB[0] = 0xF2;
|
|
|
|
result = ene_send_scsi_cmd(us, FDIR_READ, NULL, 0);
|
|
if (result != USB_STOR_XFER_GOOD) {
|
|
US_DEBUGP("Exection SD Init Code Fail !!\n");
|
|
return USB_STOR_TRANSPORT_ERROR;
|
|
}
|
|
|
|
/* SD Init Part-2 */
|
|
result = ene_load_bincode(us, SD_INIT2_PATTERN);
|
|
if (result != USB_STOR_XFER_GOOD) {
|
|
US_DEBUGP("Load SD Init Code Part-2 Fail !!\n");
|
|
return USB_STOR_TRANSPORT_ERROR;
|
|
}
|
|
|
|
memset(bcb, 0, sizeof(struct bulk_cb_wrap));
|
|
bcb->Signature = cpu_to_le32(US_BULK_CB_SIGN);
|
|
bcb->DataTransferLength = 0x200;
|
|
bcb->Flags = 0x80;
|
|
bcb->CDB[0] = 0xF1;
|
|
|
|
result = ene_send_scsi_cmd(us, FDIR_READ, &buf, 0);
|
|
if (result != USB_STOR_XFER_GOOD) {
|
|
US_DEBUGP("Exection SD Init Code Fail !!\n");
|
|
return USB_STOR_TRANSPORT_ERROR;
|
|
}
|
|
|
|
info->SD_Status = *(struct SD_STATUS *)&buf[0];
|
|
if (info->SD_Status.Insert && info->SD_Status.Ready) {
|
|
ene_get_card_status(us, (unsigned char *)&buf);
|
|
US_DEBUGP("Insert = %x\n", info->SD_Status.Insert);
|
|
US_DEBUGP("Ready = %x\n", info->SD_Status.Ready);
|
|
US_DEBUGP("IsMMC = %x\n", info->SD_Status.IsMMC);
|
|
US_DEBUGP("HiCapacity = %x\n", info->SD_Status.HiCapacity);
|
|
US_DEBUGP("HiSpeed = %x\n", info->SD_Status.HiSpeed);
|
|
US_DEBUGP("WtP = %x\n", info->SD_Status.WtP);
|
|
} else {
|
|
US_DEBUGP("SD Card Not Ready --- %x\n", buf[0]);
|
|
return USB_STOR_TRANSPORT_ERROR;
|
|
}
|
|
return USB_STOR_TRANSPORT_GOOD;
|
|
}
|
|
|
|
|
|
static int ene_init(struct us_data *us)
|
|
{
|
|
int result;
|
|
u8 misc_reg03 = 0;
|
|
struct ene_ub6250_info *info = (struct ene_ub6250_info *)(us->extra);
|
|
|
|
result = ene_get_card_type(us, REG_CARD_STATUS, &misc_reg03);
|
|
if (result != USB_STOR_XFER_GOOD)
|
|
return USB_STOR_TRANSPORT_ERROR;
|
|
|
|
if (misc_reg03 & 0x01) {
|
|
if (!info->SD_Status.Ready) {
|
|
result = ene_sd_init(us);
|
|
if (result != USB_STOR_XFER_GOOD)
|
|
return USB_STOR_TRANSPORT_ERROR;
|
|
}
|
|
}
|
|
|
|
return result;
|
|
}
|
|
|
|
/*----- sd_scsi_irp() ---------*/
|
|
static int sd_scsi_irp(struct us_data *us, struct scsi_cmnd *srb)
|
|
{
|
|
int result;
|
|
struct ene_ub6250_info *info = (struct ene_ub6250_info *)us->extra;
|
|
|
|
info->SrbStatus = SS_SUCCESS;
|
|
switch (srb->cmnd[0]) {
|
|
case TEST_UNIT_READY:
|
|
result = sd_scsi_test_unit_ready(us, srb);
|
|
break; /* 0x00 */
|
|
case INQUIRY:
|
|
result = sd_scsi_inquiry(us, srb);
|
|
break; /* 0x12 */
|
|
case MODE_SENSE:
|
|
result = sd_scsi_mode_sense(us, srb);
|
|
break; /* 0x1A */
|
|
/*
|
|
case START_STOP:
|
|
result = SD_SCSI_Start_Stop(us, srb);
|
|
break; //0x1B
|
|
*/
|
|
case READ_CAPACITY:
|
|
result = sd_scsi_read_capacity(us, srb);
|
|
break; /* 0x25 */
|
|
case READ_10:
|
|
result = sd_scsi_read(us, srb);
|
|
break; /* 0x28 */
|
|
case WRITE_10:
|
|
result = sd_scsi_write(us, srb);
|
|
break; /* 0x2A */
|
|
default:
|
|
info->SrbStatus = SS_ILLEGAL_REQUEST;
|
|
result = USB_STOR_TRANSPORT_FAILED;
|
|
break;
|
|
}
|
|
return result;
|
|
}
|
|
|
|
static int ene_transport(struct scsi_cmnd *srb, struct us_data *us)
|
|
{
|
|
int result = 0;
|
|
struct ene_ub6250_info *info = (struct ene_ub6250_info *)(us->extra);
|
|
|
|
/*US_DEBUG(usb_stor_show_command(srb)); */
|
|
scsi_set_resid(srb, 0);
|
|
if (unlikely(!info->SD_Status.Ready))
|
|
result = ene_init(us);
|
|
else
|
|
result = sd_scsi_irp(us, srb);
|
|
|
|
return 0;
|
|
}
|
|
|
|
|
|
static int ene_ub6250_probe(struct usb_interface *intf,
|
|
const struct usb_device_id *id)
|
|
{
|
|
int result;
|
|
u8 misc_reg03 = 0;
|
|
struct us_data *us;
|
|
|
|
result = usb_stor_probe1(&us, intf, id,
|
|
(id - ene_ub6250_usb_ids) + ene_ub6250_unusual_dev_list);
|
|
if (result)
|
|
return result;
|
|
|
|
/* FIXME: where should the code alloc extra buf ? */
|
|
if (!us->extra) {
|
|
us->extra = kzalloc(sizeof(struct ene_ub6250_info), GFP_KERNEL);
|
|
if (!us->extra)
|
|
return -ENOMEM;
|
|
us->extra_destructor = ene_ub6250_info_destructor;
|
|
}
|
|
|
|
us->transport_name = "ene_ub6250";
|
|
us->transport = ene_transport;
|
|
us->max_lun = 0;
|
|
|
|
result = usb_stor_probe2(us);
|
|
if (result)
|
|
return result;
|
|
|
|
/* probe card type */
|
|
result = ene_get_card_type(us, REG_CARD_STATUS, &misc_reg03);
|
|
if (result != USB_STOR_XFER_GOOD) {
|
|
usb_stor_disconnect(intf);
|
|
return USB_STOR_TRANSPORT_ERROR;
|
|
}
|
|
|
|
if (!(misc_reg03 & 0x01)) {
|
|
result = -ENODEV;
|
|
printk(KERN_NOTICE "ums_eneub6250: The driver only supports SD\
|
|
card. To use SM/MS card, please build driver/stagging/keucr\n");
|
|
usb_stor_disconnect(intf);
|
|
}
|
|
|
|
return result;
|
|
}
|
|
|
|
|
|
#ifdef CONFIG_PM
|
|
|
|
static int ene_ub6250_resume(struct usb_interface *iface)
|
|
{
|
|
u8 tmp = 0;
|
|
struct us_data *us = usb_get_intfdata(iface);
|
|
struct ene_ub6250_info *info = (struct ene_ub6250_info *)(us->extra);
|
|
|
|
mutex_lock(&us->dev_mutex);
|
|
|
|
US_DEBUGP("%s\n", __func__);
|
|
if (us->suspend_resume_hook)
|
|
(us->suspend_resume_hook)(us, US_RESUME);
|
|
|
|
mutex_unlock(&us->dev_mutex);
|
|
|
|
info->Power_IsResum = true;
|
|
/*info->SD_Status.Ready = 0; */
|
|
info->SD_Status = *(struct SD_STATUS *)&tmp;
|
|
info->MS_Status = *(struct MS_STATUS *)&tmp;
|
|
info->SM_Status = *(struct SM_STATUS *)&tmp;
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int ene_ub6250_reset_resume(struct usb_interface *iface)
|
|
{
|
|
u8 tmp = 0;
|
|
struct us_data *us = usb_get_intfdata(iface);
|
|
struct ene_ub6250_info *info = (struct ene_ub6250_info *)(us->extra);
|
|
US_DEBUGP("%s\n", __func__);
|
|
/* Report the reset to the SCSI core */
|
|
usb_stor_reset_resume(iface);
|
|
|
|
/* FIXME: Notify the subdrivers that they need to reinitialize
|
|
* the device */
|
|
info->Power_IsResum = true;
|
|
/*info->SD_Status.Ready = 0; */
|
|
info->SD_Status = *(struct SD_STATUS *)&tmp;
|
|
info->MS_Status = *(struct MS_STATUS *)&tmp;
|
|
info->SM_Status = *(struct SM_STATUS *)&tmp;
|
|
|
|
return 0;
|
|
}
|
|
|
|
#else
|
|
|
|
#define ene_ub6250_resume NULL
|
|
#define ene_ub6250_reset_resume NULL
|
|
|
|
#endif
|
|
|
|
static struct usb_driver ene_ub6250_driver = {
|
|
.name = "ums_eneub6250",
|
|
.probe = ene_ub6250_probe,
|
|
.disconnect = usb_stor_disconnect,
|
|
.suspend = usb_stor_suspend,
|
|
.resume = ene_ub6250_resume,
|
|
.reset_resume = ene_ub6250_reset_resume,
|
|
.pre_reset = usb_stor_pre_reset,
|
|
.post_reset = usb_stor_post_reset,
|
|
.id_table = ene_ub6250_usb_ids,
|
|
.soft_unbind = 1,
|
|
};
|
|
|
|
static int __init ene_ub6250_init(void)
|
|
{
|
|
return usb_register(&ene_ub6250_driver);
|
|
}
|
|
|
|
static void __exit ene_ub6250_exit(void)
|
|
{
|
|
usb_deregister(&ene_ub6250_driver);
|
|
}
|
|
|
|
module_init(ene_ub6250_init);
|
|
module_exit(ene_ub6250_exit);
|