/* Driver for SCM Microsystems USB-ATAPI cable * Header File * * $Id: shuttle_usbat.h,v 1.5 2000/09/17 14:44:52 groovyjava Exp $ * * Current development and maintenance by: * (c) 2000 Robert Baruch (autophile@dol.net) * (c) 2004, 2005 Daniel Drake * * See shuttle_usbat.c for more explanation * * This program is free software; you can redistribute it and/or modify it * under the terms of the GNU General Public License as published by the * Free Software Foundation; either version 2, or (at your option) any * later version. * * This program is distributed in the hope that it will be useful, but * WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * General Public License for more details. * * You should have received a copy of the GNU General Public License along * with this program; if not, write to the Free Software Foundation, Inc., * 675 Mass Ave, Cambridge, MA 02139, USA. */ #ifndef _USB_SHUTTLE_USBAT_H #define _USB_SHUTTLE_USBAT_H /* Supported device types */ #define USBAT_DEV_HP8200 0x01 #define USBAT_DEV_FLASH 0x02 #define USBAT_EPP_PORT 0x10 #define USBAT_EPP_REGISTER 0x30 #define USBAT_ATA 0x40 #define USBAT_ISA 0x50 /* Commands (need to be logically OR'd with an access type */ #define USBAT_CMD_READ_REG 0x00 #define USBAT_CMD_WRITE_REG 0x01 #define USBAT_CMD_READ_BLOCK 0x02 #define USBAT_CMD_WRITE_BLOCK 0x03 #define USBAT_CMD_COND_READ_BLOCK 0x04 #define USBAT_CMD_COND_WRITE_BLOCK 0x05 #define USBAT_CMD_WRITE_REGS 0x07 /* Commands (these don't need an access type) */ #define USBAT_CMD_EXEC_CMD 0x80 #define USBAT_CMD_SET_FEAT 0x81 #define USBAT_CMD_UIO 0x82 /* Methods of accessing UIO register */ #define USBAT_UIO_READ 1 #define USBAT_UIO_WRITE 0 /* Qualifier bits */ #define USBAT_QUAL_FCQ 0x20 // full compare #define USBAT_QUAL_ALQ 0x10 // auto load subcount /* USBAT Flash Media status types */ #define USBAT_FLASH_MEDIA_NONE 0 #define USBAT_FLASH_MEDIA_CF 1 /* USBAT Flash Media change types */ #define USBAT_FLASH_MEDIA_SAME 0 #define USBAT_FLASH_MEDIA_CHANGED 1 /* USBAT ATA registers */ #define USBAT_ATA_DATA 0x10 // read/write data (R/W) #define USBAT_ATA_FEATURES 0x11 // set features (W) #define USBAT_ATA_ERROR 0x11 // error (R) #define USBAT_ATA_SECCNT 0x12 // sector count (R/W) #define USBAT_ATA_SECNUM 0x13 // sector number (R/W) #define USBAT_ATA_LBA_ME 0x14 // cylinder low (R/W) #define USBAT_ATA_LBA_HI 0x15 // cylinder high (R/W) #define USBAT_ATA_DEVICE 0x16 // head/device selection (R/W) #define USBAT_ATA_STATUS 0x17 // device status (R) #define USBAT_ATA_CMD 0x17 // device command (W) #define USBAT_ATA_ALTSTATUS 0x0E // status (no clear IRQ) (R) /* USBAT User I/O Data registers */ #define USBAT_UIO_EPAD 0x80 // Enable Peripheral Control Signals #define USBAT_UIO_CDT 0x40 // Card Detect (Read Only) // CDT = ACKD & !UI1 & !UI0 #define USBAT_UIO_1 0x20 // I/O 1 #define USBAT_UIO_0 0x10 // I/O 0 #define USBAT_UIO_EPP_ATA 0x08 // 1=EPP mode, 0=ATA mode #define USBAT_UIO_UI1 0x04 // Input 1 #define USBAT_UIO_UI0 0x02 // Input 0 #define USBAT_UIO_INTR_ACK 0x01 // Interrupt (ATA & ISA)/Acknowledge (EPP) /* USBAT User I/O Enable registers */ #define USBAT_UIO_DRVRST 0x80 // Reset Peripheral #define USBAT_UIO_ACKD 0x40 // Enable Card Detect #define USBAT_UIO_OE1 0x20 // I/O 1 set=output/clr=input // If ACKD=1, set OE1 to 1 also. #define USBAT_UIO_OE0 0x10 // I/O 0 set=output/clr=input #define USBAT_UIO_ADPRST 0x01 // Reset SCM chip /* USBAT Features */ #define USBAT_FEAT_ETEN 0x80 // External trigger enable #define USBAT_FEAT_U1 0x08 #define USBAT_FEAT_U0 0x04 #define USBAT_FEAT_ET1 0x02 #define USBAT_FEAT_ET2 0x01 extern int usbat_transport(struct scsi_cmnd *srb, struct us_data *us); extern int init_usbat(struct us_data *us); struct usbat_info { int devicetype; /* Used for Flash readers only */ unsigned long sectors; // total sector count unsigned long ssize; // sector size in bytes unsigned char sense_key; unsigned long sense_asc; // additional sense code unsigned long sense_ascq; // additional sense code qualifier }; #endif