| /* 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 |