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/* 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 <dsd@gentoo.org>
*
* 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
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