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Diffstat (limited to 'drivers/usb/storage/shuttle_usbat.h')
| -rw-r--r-- | drivers/usb/storage/shuttle_usbat.h | 123 |
1 files changed, 123 insertions, 0 deletions
diff --git a/drivers/usb/storage/shuttle_usbat.h b/drivers/usb/storage/shuttle_usbat.h new file mode 100644 index 000000000000..5b8e867e2ae5 --- /dev/null +++ b/drivers/usb/storage/shuttle_usbat.h @@ -0,0 +1,123 @@ +/* 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 |