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@ -1,4 +1,4 @@
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/* Driver for SCM Microsystems USB-ATAPI cable
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/* Driver for SCM Microsystems (a.k.a. Shuttle) USB-ATAPI cable
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*
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* $Id: shuttle_usbat.c,v 1.17 2002/04/22 03:39:43 mdharm Exp $
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*
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@ -67,10 +67,10 @@ static int usbat_flash_transport(struct scsi_cmnd * srb, struct us_data *us);
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static int usbat_hp8200e_transport(struct scsi_cmnd *srb, struct us_data *us);
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/*
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* Convenience function to produce an ATAPI read/write sectors command
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* Convenience function to produce an ATA read/write sectors command
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* Use cmd=0x20 for read, cmd=0x30 for write
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*/
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static void usbat_pack_atapi_sector_cmd(unsigned char *buf,
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static void usbat_pack_ata_sector_cmd(unsigned char *buf,
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unsigned char thistime,
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u32 sector, unsigned char cmd)
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{
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@ -196,10 +196,12 @@ static int usbat_check_status(struct us_data *us)
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if (rc != USB_STOR_XFER_GOOD)
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return USB_STOR_TRANSPORT_FAILED;
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if (*reply & 0x01 && *reply != 0x51) // error/check condition (0x51 is ok)
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/* error/check condition (0x51 is ok) */
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if (*reply & 0x01 && *reply != 0x51)
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return USB_STOR_TRANSPORT_FAILED;
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if (*reply & 0x20) // device fault
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/* device fault */
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if (*reply & 0x20)
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return USB_STOR_TRANSPORT_FAILED;
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return USB_STOR_TRANSPORT_GOOD;
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@ -222,29 +224,39 @@ static int usbat_set_shuttle_features(struct us_data *us,
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command[0] = 0x40;
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command[1] = USBAT_CMD_SET_FEAT;
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// The only bit relevant to ATA access is bit 6
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// which defines 8 bit data access (set) or 16 bit (unset)
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/*
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* The only bit relevant to ATA access is bit 6
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* which defines 8 bit data access (set) or 16 bit (unset)
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*/
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command[2] = epp_control;
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// If FCQ is set in the qualifier (defined in R/W cmd), then bits U0, U1,
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// ET1 and ET2 define an external event to be checked for on event of a
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// _read_blocks or _write_blocks operation. The read/write will not take
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// place unless the defined trigger signal is active.
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/*
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* If FCQ is set in the qualifier (defined in R/W cmd), then bits U0, U1,
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* ET1 and ET2 define an external event to be checked for on event of a
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* _read_blocks or _write_blocks operation. The read/write will not take
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* place unless the defined trigger signal is active.
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*/
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command[3] = external_trigger;
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// The resultant byte of the mask operation (see mask_byte) is compared for
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// equivalence with this test pattern. If equal, the read/write will take
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// place.
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/*
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* The resultant byte of the mask operation (see mask_byte) is compared for
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* equivalence with this test pattern. If equal, the read/write will take
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* place.
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*/
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command[4] = test_pattern;
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// This value is logically ANDed with the status register field specified
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// in the read/write command.
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/*
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* This value is logically ANDed with the status register field specified
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* in the read/write command.
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*/
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command[5] = mask_byte;
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// If ALQ is set in the qualifier, this field contains the address of the
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// registers where the byte count should be read for transferring the data.
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// If ALQ is not set, then this field contains the number of bytes to be
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// transferred.
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/*
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* If ALQ is set in the qualifier, this field contains the address of the
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* registers where the byte count should be read for transferring the data.
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* If ALQ is not set, then this field contains the number of bytes to be
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* transferred.
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*/
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command[6] = subcountL;
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command[7] = subcountH;
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@ -273,26 +285,26 @@ static int usbat_wait_not_busy(struct us_data *us, int minutes)
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if (result!=USB_STOR_XFER_GOOD)
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return USB_STOR_TRANSPORT_ERROR;
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if (*status & 0x01) { // check condition
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if (*status & 0x01) { /* check condition */
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result = usbat_read(us, USBAT_ATA, 0x10, status);
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return USB_STOR_TRANSPORT_FAILED;
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}
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if (*status & 0x20) // device fault
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if (*status & 0x20) /* device fault */
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return USB_STOR_TRANSPORT_FAILED;
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if ((*status & 0x80)==0x00) { // not busy
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if ((*status & 0x80)==0x00) { /* not busy */
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US_DEBUGP("Waited not busy for %d steps\n", i);
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return USB_STOR_TRANSPORT_GOOD;
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}
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if (i<500)
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msleep(10); // 5 seconds
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msleep(10); /* 5 seconds */
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else if (i<700)
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msleep(50); // 10 seconds
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msleep(50); /* 10 seconds */
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else if (i<1200)
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msleep(100); // 50 seconds
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msleep(100); /* 50 seconds */
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else
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msleep(1000); // X minutes
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msleep(1000); /* X minutes */
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}
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US_DEBUGP("Waited not busy for %d minutes, timing out.\n",
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@ -412,9 +424,12 @@ static int usbat_hp8200e_rw_block_test(struct us_data *us,
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if (i==0) {
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cmdlen = 16;
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// Write to multiple registers
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// Not really sure the 0x07, 0x17, 0xfc, 0xe7 is necessary here,
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// but that's what came out of the trace every single time.
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/*
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* Write to multiple registers
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* Not really sure the 0x07, 0x17, 0xfc, 0xe7 is
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* necessary here, but that's what came out of the
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* trace every single time.
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*/
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command[0] = 0x40;
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command[1] = access | USBAT_CMD_WRITE_REGS;
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command[2] = 0x07;
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@ -426,7 +441,7 @@ static int usbat_hp8200e_rw_block_test(struct us_data *us,
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} else
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cmdlen = 8;
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// Conditionally read or write blocks
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/* Conditionally read or write blocks */
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command[cmdlen-8] = (direction==DMA_TO_DEVICE ? 0x40 : 0xC0);
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command[cmdlen-7] = access |
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(direction==DMA_TO_DEVICE ?
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@ -456,11 +471,6 @@ static int usbat_hp8200e_rw_block_test(struct us_data *us,
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}
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//US_DEBUGP("Transfer %s %d bytes, sg buffers %d\n",
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// direction == DMA_TO_DEVICE ? "out" : "in",
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// len, use_sg);
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result = usb_stor_bulk_transfer_sg(us,
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pipe, content, len, use_sg, NULL);
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@ -508,9 +518,9 @@ static int usbat_hp8200e_rw_block_test(struct us_data *us,
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if (result!=USB_STOR_XFER_GOOD)
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return USB_STOR_TRANSPORT_ERROR;
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if (*status & 0x01) // check condition
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if (*status & 0x01) /* check condition */
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return USB_STOR_TRANSPORT_FAILED;
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if (*status & 0x20) // device fault
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if (*status & 0x20) /* device fault */
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return USB_STOR_TRANSPORT_FAILED;
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US_DEBUGP("Redoing %s\n",
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@ -547,32 +557,32 @@ static int usbat_multiple_write(struct us_data *us,
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BUG_ON(num_registers > US_IOBUF_SIZE/2);
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// Write to multiple registers, ATA access
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/* Write to multiple registers, ATA access */
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command[0] = 0x40;
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command[1] = USBAT_ATA | USBAT_CMD_WRITE_REGS;
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// No relevance
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/* No relevance */
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command[2] = 0;
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command[3] = 0;
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command[4] = 0;
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command[5] = 0;
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// Number of bytes to be transferred (incl. addresses and data)
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/* Number of bytes to be transferred (incl. addresses and data) */
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command[6] = LSB_of(num_registers*2);
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command[7] = MSB_of(num_registers*2);
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// The setup command
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/* The setup command */
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result = usbat_execute_command(us, command, 8);
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if (result != USB_STOR_XFER_GOOD)
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return USB_STOR_TRANSPORT_ERROR;
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// Create the reg/data, reg/data sequence
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/* Create the reg/data, reg/data sequence */
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for (i=0; i<num_registers; i++) {
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data[i<<1] = registers[i];
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data[1+(i<<1)] = data_out[i];
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}
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// Send the data
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/* Send the data */
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result = usbat_bulk_write(us, data, num_registers*2);
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if (result != USB_STOR_XFER_GOOD)
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return USB_STOR_TRANSPORT_ERROR;
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@ -606,17 +616,17 @@ static int usbat_read_blocks(struct us_data *us,
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command[1] = USBAT_ATA | USBAT_CMD_COND_READ_BLOCK;
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command[2] = USBAT_ATA_DATA;
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command[3] = USBAT_ATA_STATUS;
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command[4] = 0xFD; // Timeout (ms);
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command[4] = 0xFD; /* Timeout (ms); */
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command[5] = USBAT_QUAL_FCQ;
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command[6] = LSB_of(len);
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command[7] = MSB_of(len);
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// Multiple block read setup command
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/* Multiple block read setup command */
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result = usbat_execute_command(us, command, 8);
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if (result != USB_STOR_XFER_GOOD)
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return USB_STOR_TRANSPORT_FAILED;
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// Read the blocks we just asked for
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/* Read the blocks we just asked for */
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result = usbat_bulk_read(us, buffer, len);
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if (result != USB_STOR_XFER_GOOD)
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return USB_STOR_TRANSPORT_FAILED;
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@ -647,17 +657,17 @@ static int usbat_write_blocks(struct us_data *us,
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command[1] = USBAT_ATA | USBAT_CMD_COND_WRITE_BLOCK;
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command[2] = USBAT_ATA_DATA;
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command[3] = USBAT_ATA_STATUS;
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command[4] = 0xFD; // Timeout (ms)
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command[4] = 0xFD; /* Timeout (ms) */
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command[5] = USBAT_QUAL_FCQ;
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command[6] = LSB_of(len);
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command[7] = MSB_of(len);
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// Multiple block write setup command
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/* Multiple block write setup command */
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result = usbat_execute_command(us, command, 8);
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if (result != USB_STOR_XFER_GOOD)
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return USB_STOR_TRANSPORT_FAILED;
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// Write the data
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/* Write the data */
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result = usbat_bulk_write(us, buffer, len);
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if (result != USB_STOR_XFER_GOOD)
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return USB_STOR_TRANSPORT_FAILED;
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@ -711,16 +721,20 @@ static int usbat_device_reset(struct us_data *us)
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{
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int rc;
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// Reset peripheral, enable peripheral control signals
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// (bring reset signal up)
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/*
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* Reset peripheral, enable peripheral control signals
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* (bring reset signal up)
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*/
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rc = usbat_write_user_io(us,
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USBAT_UIO_DRVRST | USBAT_UIO_OE1 | USBAT_UIO_OE0,
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USBAT_UIO_EPAD | USBAT_UIO_1);
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if (rc != USB_STOR_XFER_GOOD)
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return USB_STOR_TRANSPORT_ERROR;
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// Enable peripheral control signals
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// (bring reset signal down)
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/*
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* Enable peripheral control signals
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* (bring reset signal down)
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*/
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rc = usbat_write_user_io(us,
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USBAT_UIO_OE1 | USBAT_UIO_OE0,
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USBAT_UIO_EPAD | USBAT_UIO_1);
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@ -737,7 +751,7 @@ static int usbat_device_enable_cdt(struct us_data *us)
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{
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int rc;
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// Enable peripheral control signals and card detect
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/* Enable peripheral control signals and card detect */
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rc = usbat_write_user_io(us,
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USBAT_UIO_ACKD | USBAT_UIO_OE1 | USBAT_UIO_OE0,
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USBAT_UIO_EPAD | USBAT_UIO_1);
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@ -786,7 +800,7 @@ static int usbat_flash_check_media(struct us_data *us,
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if (rc != USB_STOR_XFER_GOOD)
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return USB_STOR_TRANSPORT_ERROR;
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// Check for media existence
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/* Check for media existence */
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rc = usbat_flash_check_media_present(uio);
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if (rc == USBAT_FLASH_MEDIA_NONE) {
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info->sense_key = 0x02;
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@ -795,11 +809,11 @@ static int usbat_flash_check_media(struct us_data *us,
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return USB_STOR_TRANSPORT_FAILED;
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}
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// Check for media change
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/* Check for media change */
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|
|
rc = usbat_flash_check_media_changed(uio);
|
|
|
|
|
if (rc == USBAT_FLASH_MEDIA_CHANGED) {
|
|
|
|
|
|
|
|
|
|
// Reset and re-enable card detect
|
|
|
|
|
/* Reset and re-enable card detect */
|
|
|
|
|
rc = usbat_device_reset(us);
|
|
|
|
|
if (rc != USB_STOR_TRANSPORT_GOOD)
|
|
|
|
|
return rc;
|
|
|
|
@ -855,13 +869,13 @@ static int usbat_identify_device(struct us_data *us,
|
|
|
|
|
if (rc != USB_STOR_XFER_GOOD)
|
|
|
|
|
return USB_STOR_TRANSPORT_ERROR;
|
|
|
|
|
|
|
|
|
|
// Check for error bit, or if the command 'fell through'
|
|
|
|
|
/* Check for error bit, or if the command 'fell through' */
|
|
|
|
|
if (status == 0xA1 || !(status & 0x01)) {
|
|
|
|
|
// Device is HP 8200
|
|
|
|
|
/* Device is HP 8200 */
|
|
|
|
|
US_DEBUGP("usbat_identify_device: Detected HP8200 CDRW\n");
|
|
|
|
|
info->devicetype = USBAT_DEV_HP8200;
|
|
|
|
|
} else {
|
|
|
|
|
// Device is a CompactFlash reader/writer
|
|
|
|
|
/* Device is a CompactFlash reader/writer */
|
|
|
|
|
US_DEBUGP("usbat_identify_device: Detected Flash reader/writer\n");
|
|
|
|
|
info->devicetype = USBAT_DEV_FLASH;
|
|
|
|
|
}
|
|
|
|
@ -916,7 +930,7 @@ static int usbat_flash_get_sector_count(struct us_data *us,
|
|
|
|
|
if (!reply)
|
|
|
|
|
return USB_STOR_TRANSPORT_ERROR;
|
|
|
|
|
|
|
|
|
|
// ATAPI command : IDENTIFY DEVICE
|
|
|
|
|
/* ATA command : IDENTIFY DEVICE */
|
|
|
|
|
rc = usbat_multiple_write(us, registers, command, 3);
|
|
|
|
|
if (rc != USB_STOR_XFER_GOOD) {
|
|
|
|
|
US_DEBUGP("usbat_flash_get_sector_count: Gah! identify_device failed\n");
|
|
|
|
@ -924,7 +938,7 @@ static int usbat_flash_get_sector_count(struct us_data *us,
|
|
|
|
|
goto leave;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
// Read device status
|
|
|
|
|
/* Read device status */
|
|
|
|
|
if (usbat_get_status(us, &status) != USB_STOR_XFER_GOOD) {
|
|
|
|
|
rc = USB_STOR_TRANSPORT_ERROR;
|
|
|
|
|
goto leave;
|
|
|
|
@ -932,7 +946,7 @@ static int usbat_flash_get_sector_count(struct us_data *us,
|
|
|
|
|
|
|
|
|
|
msleep(100);
|
|
|
|
|
|
|
|
|
|
// Read the device identification data
|
|
|
|
|
/* Read the device identification data */
|
|
|
|
|
rc = usbat_read_block(us, reply, 512);
|
|
|
|
|
if (rc != USB_STOR_TRANSPORT_GOOD)
|
|
|
|
|
goto leave;
|
|
|
|
@ -977,19 +991,23 @@ static int usbat_flash_read_data(struct us_data *us,
|
|
|
|
|
if (result != USB_STOR_TRANSPORT_GOOD)
|
|
|
|
|
return result;
|
|
|
|
|
|
|
|
|
|
// we're working in LBA mode. according to the ATA spec,
|
|
|
|
|
// we can support up to 28-bit addressing. I don't know if Jumpshot
|
|
|
|
|
// supports beyond 24-bit addressing. It's kind of hard to test
|
|
|
|
|
// since it requires > 8GB CF card.
|
|
|
|
|
/*
|
|
|
|
|
* we're working in LBA mode. according to the ATA spec,
|
|
|
|
|
* we can support up to 28-bit addressing. I don't know if Jumpshot
|
|
|
|
|
* supports beyond 24-bit addressing. It's kind of hard to test
|
|
|
|
|
* since it requires > 8GB CF card.
|
|
|
|
|
*/
|
|
|
|
|
|
|
|
|
|
if (sector > 0x0FFFFFFF)
|
|
|
|
|
return USB_STOR_TRANSPORT_ERROR;
|
|
|
|
|
|
|
|
|
|
totallen = sectors * info->ssize;
|
|
|
|
|
|
|
|
|
|
// Since we don't read more than 64 KB at a time, we have to create
|
|
|
|
|
// a bounce buffer and move the data a piece at a time between the
|
|
|
|
|
// bounce buffer and the actual transfer buffer.
|
|
|
|
|
/*
|
|
|
|
|
* Since we don't read more than 64 KB at a time, we have to create
|
|
|
|
|
* a bounce buffer and move the data a piece at a time between the
|
|
|
|
|
* bounce buffer and the actual transfer buffer.
|
|
|
|
|
*/
|
|
|
|
|
|
|
|
|
|
alloclen = min(totallen, 65536u);
|
|
|
|
|
buffer = kmalloc(alloclen, GFP_NOIO);
|
|
|
|
@ -997,27 +1015,29 @@ static int usbat_flash_read_data(struct us_data *us,
|
|
|
|
|
return USB_STOR_TRANSPORT_ERROR;
|
|
|
|
|
|
|
|
|
|
do {
|
|
|
|
|
// loop, never allocate or transfer more than 64k at once
|
|
|
|
|
// (min(128k, 255*info->ssize) is the real limit)
|
|
|
|
|
/*
|
|
|
|
|
* loop, never allocate or transfer more than 64k at once
|
|
|
|
|
* (min(128k, 255*info->ssize) is the real limit)
|
|
|
|
|
*/
|
|
|
|
|
len = min(totallen, alloclen);
|
|
|
|
|
thistime = (len / info->ssize) & 0xff;
|
|
|
|
|
|
|
|
|
|
// ATAPI command 0x20 (READ SECTORS)
|
|
|
|
|
usbat_pack_atapi_sector_cmd(command, thistime, sector, 0x20);
|
|
|
|
|
/* ATA command 0x20 (READ SECTORS) */
|
|
|
|
|
usbat_pack_ata_sector_cmd(command, thistime, sector, 0x20);
|
|
|
|
|
|
|
|
|
|
// Write/execute ATAPI read command
|
|
|
|
|
/* Write/execute ATA read command */
|
|
|
|
|
result = usbat_multiple_write(us, registers, command, 7);
|
|
|
|
|
if (result != USB_STOR_TRANSPORT_GOOD)
|
|
|
|
|
goto leave;
|
|
|
|
|
|
|
|
|
|
// Read the data we just requested
|
|
|
|
|
/* Read the data we just requested */
|
|
|
|
|
result = usbat_read_blocks(us, buffer, len);
|
|
|
|
|
if (result != USB_STOR_TRANSPORT_GOOD)
|
|
|
|
|
goto leave;
|
|
|
|
|
|
|
|
|
|
US_DEBUGP("usbat_flash_read_data: %d bytes\n", len);
|
|
|
|
|
|
|
|
|
|
// Store the data in the transfer buffer
|
|
|
|
|
/* Store the data in the transfer buffer */
|
|
|
|
|
usb_stor_access_xfer_buf(buffer, len, us->srb,
|
|
|
|
|
&sg_idx, &sg_offset, TO_XFER_BUF);
|
|
|
|
|
|
|
|
|
@ -1061,19 +1081,23 @@ static int usbat_flash_write_data(struct us_data *us,
|
|
|
|
|
if (result != USB_STOR_TRANSPORT_GOOD)
|
|
|
|
|
return result;
|
|
|
|
|
|
|
|
|
|
// we're working in LBA mode. according to the ATA spec,
|
|
|
|
|
// we can support up to 28-bit addressing. I don't know if Jumpshot
|
|
|
|
|
// supports beyond 24-bit addressing. It's kind of hard to test
|
|
|
|
|
// since it requires > 8GB CF card.
|
|
|
|
|
/*
|
|
|
|
|
* we're working in LBA mode. according to the ATA spec,
|
|
|
|
|
* we can support up to 28-bit addressing. I don't know if the device
|
|
|
|
|
* supports beyond 24-bit addressing. It's kind of hard to test
|
|
|
|
|
* since it requires > 8GB media.
|
|
|
|
|
*/
|
|
|
|
|
|
|
|
|
|
if (sector > 0x0FFFFFFF)
|
|
|
|
|
return USB_STOR_TRANSPORT_ERROR;
|
|
|
|
|
|
|
|
|
|
totallen = sectors * info->ssize;
|
|
|
|
|
|
|
|
|
|
// Since we don't write more than 64 KB at a time, we have to create
|
|
|
|
|
// a bounce buffer and move the data a piece at a time between the
|
|
|
|
|
// bounce buffer and the actual transfer buffer.
|
|
|
|
|
/*
|
|
|
|
|
* Since we don't write more than 64 KB at a time, we have to create
|
|
|
|
|
* a bounce buffer and move the data a piece at a time between the
|
|
|
|
|
* bounce buffer and the actual transfer buffer.
|
|
|
|
|
*/
|
|
|
|
|
|
|
|
|
|
alloclen = min(totallen, 65536u);
|
|
|
|
|
buffer = kmalloc(alloclen, GFP_NOIO);
|
|
|
|
@ -1081,24 +1105,26 @@ static int usbat_flash_write_data(struct us_data *us,
|
|
|
|
|
return USB_STOR_TRANSPORT_ERROR;
|
|
|
|
|
|
|
|
|
|
do {
|
|
|
|
|
// loop, never allocate or transfer more than 64k at once
|
|
|
|
|
// (min(128k, 255*info->ssize) is the real limit)
|
|
|
|
|
/*
|
|
|
|
|
* loop, never allocate or transfer more than 64k at once
|
|
|
|
|
* (min(128k, 255*info->ssize) is the real limit)
|
|
|
|
|
*/
|
|
|
|
|
len = min(totallen, alloclen);
|
|
|
|
|
thistime = (len / info->ssize) & 0xff;
|
|
|
|
|
|
|
|
|
|
// Get the data from the transfer buffer
|
|
|
|
|
/* Get the data from the transfer buffer */
|
|
|
|
|
usb_stor_access_xfer_buf(buffer, len, us->srb,
|
|
|
|
|
&sg_idx, &sg_offset, FROM_XFER_BUF);
|
|
|
|
|
|
|
|
|
|
// ATAPI command 0x30 (WRITE SECTORS)
|
|
|
|
|
usbat_pack_atapi_sector_cmd(command, thistime, sector, 0x30);
|
|
|
|
|
/* ATA command 0x30 (WRITE SECTORS) */
|
|
|
|
|
usbat_pack_ata_sector_cmd(command, thistime, sector, 0x30);
|
|
|
|
|
|
|
|
|
|
// Write/execute ATAPI write command
|
|
|
|
|
/* Write/execute ATA write command */
|
|
|
|
|
result = usbat_multiple_write(us, registers, command, 7);
|
|
|
|
|
if (result != USB_STOR_TRANSPORT_GOOD)
|
|
|
|
|
goto leave;
|
|
|
|
|
|
|
|
|
|
// Write the data
|
|
|
|
|
/* Write the data */
|
|
|
|
|
result = usbat_write_blocks(us, buffer, len);
|
|
|
|
|
if (result != USB_STOR_TRANSPORT_GOOD)
|
|
|
|
|
goto leave;
|
|
|
|
@ -1169,42 +1195,44 @@ static int usbat_hp8200e_handle_read10(struct us_data *us,
|
|
|
|
|
srb->transfersize);
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
// Since we only read in one block at a time, we have to create
|
|
|
|
|
// a bounce buffer and move the data a piece at a time between the
|
|
|
|
|
// bounce buffer and the actual transfer buffer.
|
|
|
|
|
/*
|
|
|
|
|
* Since we only read in one block at a time, we have to create
|
|
|
|
|
* a bounce buffer and move the data a piece at a time between the
|
|
|
|
|
* bounce buffer and the actual transfer buffer.
|
|
|
|
|
*/
|
|
|
|
|
|
|
|
|
|
len = (65535/srb->transfersize) * srb->transfersize;
|
|
|
|
|
US_DEBUGP("Max read is %d bytes\n", len);
|
|
|
|
|
len = min(len, srb->request_bufflen);
|
|
|
|
|
buffer = kmalloc(len, GFP_NOIO);
|
|
|
|
|
if (buffer == NULL) // bloody hell!
|
|
|
|
|
if (buffer == NULL) /* bloody hell! */
|
|
|
|
|
return USB_STOR_TRANSPORT_FAILED;
|
|
|
|
|
sector = short_pack(data[7+3], data[7+2]);
|
|
|
|
|
sector <<= 16;
|
|
|
|
|
sector |= short_pack(data[7+5], data[7+4]);
|
|
|
|
|
transferred = 0;
|
|
|
|
|
|
|
|
|
|
sg_segment = 0; // for keeping track of where we are in
|
|
|
|
|
sg_offset = 0; // the scatter/gather list
|
|
|
|
|
sg_segment = 0; /* for keeping track of where we are in */
|
|
|
|
|
sg_offset = 0; /* the scatter/gather list */
|
|
|
|
|
|
|
|
|
|
while (transferred != srb->request_bufflen) {
|
|
|
|
|
|
|
|
|
|
if (len > srb->request_bufflen - transferred)
|
|
|
|
|
len = srb->request_bufflen - transferred;
|
|
|
|
|
|
|
|
|
|
data[3] = len&0xFF; // (cylL) = expected length (L)
|
|
|
|
|
data[4] = (len>>8)&0xFF; // (cylH) = expected length (H)
|
|
|
|
|
data[3] = len&0xFF; /* (cylL) = expected length (L) */
|
|
|
|
|
data[4] = (len>>8)&0xFF; /* (cylH) = expected length (H) */
|
|
|
|
|
|
|
|
|
|
// Fix up the SCSI command sector and num sectors
|
|
|
|
|
/* Fix up the SCSI command sector and num sectors */
|
|
|
|
|
|
|
|
|
|
data[7+2] = MSB_of(sector>>16); // SCSI command sector
|
|
|
|
|
data[7+2] = MSB_of(sector>>16); /* SCSI command sector */
|
|
|
|
|
data[7+3] = LSB_of(sector>>16);
|
|
|
|
|
data[7+4] = MSB_of(sector&0xFFFF);
|
|
|
|
|
data[7+5] = LSB_of(sector&0xFFFF);
|
|
|
|
|
if (data[7+0] == GPCMD_READ_CD)
|
|
|
|
|
data[7+6] = 0;
|
|
|
|
|
data[7+7] = MSB_of(len / srb->transfersize); // SCSI command
|
|
|
|
|
data[7+8] = LSB_of(len / srb->transfersize); // num sectors
|
|
|
|
|
data[7+7] = MSB_of(len / srb->transfersize); /* SCSI command */
|
|
|
|
|
data[7+8] = LSB_of(len / srb->transfersize); /* num sectors */
|
|
|
|
|
|
|
|
|
|
result = usbat_hp8200e_rw_block_test(us, USBAT_ATA,
|
|
|
|
|
registers, data, 19,
|
|
|
|
@ -1217,16 +1245,16 @@ static int usbat_hp8200e_handle_read10(struct us_data *us,
|
|
|
|
|
if (result != USB_STOR_TRANSPORT_GOOD)
|
|
|
|
|
break;
|
|
|
|
|
|
|
|
|
|
// Store the data in the transfer buffer
|
|
|
|
|
/* Store the data in the transfer buffer */
|
|
|
|
|
usb_stor_access_xfer_buf(buffer, len, srb,
|
|
|
|
|
&sg_segment, &sg_offset, TO_XFER_BUF);
|
|
|
|
|
|
|
|
|
|
// Update the amount transferred and the sector number
|
|
|
|
|
/* Update the amount transferred and the sector number */
|
|
|
|
|
|
|
|
|
|
transferred += len;
|
|
|
|
|
sector += len / srb->transfersize;
|
|
|
|
|
|
|
|
|
|
} // while transferred != srb->request_bufflen
|
|
|
|
|
} /* while transferred != srb->request_bufflen */
|
|
|
|
|
|
|
|
|
|
kfree(buffer);
|
|
|
|
|
return result;
|
|
|
|
@ -1237,7 +1265,7 @@ static int usbat_select_and_test_registers(struct us_data *us)
|
|
|
|
|
int selector;
|
|
|
|
|
unsigned char *status = us->iobuf;
|
|
|
|
|
|
|
|
|
|
// try device = master, then device = slave.
|
|
|
|
|
/* try device = master, then device = slave. */
|
|
|
|
|
for (selector = 0xA0; selector <= 0xB0; selector += 0x10) {
|
|
|
|
|
if (usbat_write(us, USBAT_ATA, USBAT_ATA_DEVICE, selector) !=
|
|
|
|
|
USB_STOR_XFER_GOOD)
|
|
|
|
@ -1298,7 +1326,7 @@ int init_usbat(struct us_data *us)
|
|
|
|
|
memset(us->extra, 0, sizeof(struct usbat_info));
|
|
|
|
|
info = (struct usbat_info *) (us->extra);
|
|
|
|
|
|
|
|
|
|
// Enable peripheral control signals
|
|
|
|
|
/* Enable peripheral control signals */
|
|
|
|
|
rc = usbat_write_user_io(us,
|
|
|
|
|
USBAT_UIO_OE1 | USBAT_UIO_OE0,
|
|
|
|
|
USBAT_UIO_EPAD | USBAT_UIO_1);
|
|
|
|
@ -1337,7 +1365,7 @@ int init_usbat(struct us_data *us)
|
|
|
|
|
|
|
|
|
|
US_DEBUGP("INIT 5\n");
|
|
|
|
|
|
|
|
|
|
// Enable peripheral control signals and card detect
|
|
|
|
|
/* Enable peripheral control signals and card detect */
|
|
|
|
|
rc = usbat_device_enable_cdt(us);
|
|
|
|
|
if (rc != USB_STOR_TRANSPORT_GOOD)
|
|
|
|
|
return rc;
|
|
|
|
@ -1364,7 +1392,7 @@ int init_usbat(struct us_data *us)
|
|
|
|
|
|
|
|
|
|
US_DEBUGP("INIT 9\n");
|
|
|
|
|
|
|
|
|
|
// At this point, we need to detect which device we are using
|
|
|
|
|
/* At this point, we need to detect which device we are using */
|
|
|
|
|
if (usbat_set_transport(us, info))
|
|
|
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return USB_STOR_TRANSPORT_ERROR;
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@ -1414,10 +1442,10 @@ static int usbat_hp8200e_transport(struct scsi_cmnd *srb, struct us_data *us)
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data[0] = 0x00;
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data[1] = 0x00;
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data[2] = 0x00;
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data[3] = len&0xFF; // (cylL) = expected length (L)
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data[4] = (len>>8)&0xFF; // (cylH) = expected length (H)
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data[5] = 0xB0; // (device sel) = slave
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data[6] = 0xA0; // (command) = ATA PACKET COMMAND
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data[3] = len&0xFF; /* (cylL) = expected length (L) */
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data[4] = (len>>8)&0xFF; /* (cylH) = expected length (H) */
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data[5] = 0xB0; /* (device sel) = slave */
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data[6] = 0xA0; /* (command) = ATA PACKET COMMAND */
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for (i=7; i<19; i++) {
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registers[i] = 0x10;
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@ -1466,13 +1494,15 @@ static int usbat_hp8200e_transport(struct scsi_cmnd *srb, struct us_data *us)
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return result;
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}
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// Write the 12-byte command header.
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// If the command is BLANK then set the timer for 75 minutes.
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// Otherwise set it for 10 minutes.
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// NOTE: THE 8200 DOCUMENTATION STATES THAT BLANKING A CDRW
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// AT SPEED 4 IS UNRELIABLE!!!
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/*
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* Write the 12-byte command header.
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*
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* If the command is BLANK then set the timer for 75 minutes.
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* Otherwise set it for 10 minutes.
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*
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* NOTE: THE 8200 DOCUMENTATION STATES THAT BLANKING A CDRW
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* AT SPEED 4 IS UNRELIABLE!!!
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*/
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if ( (result = usbat_write_block(us,
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USBAT_ATA, srb->cmnd, 12,
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@ -1481,19 +1511,18 @@ static int usbat_hp8200e_transport(struct scsi_cmnd *srb, struct us_data *us)
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return result;
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}
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// If there is response data to be read in
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// then do it here.
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/* If there is response data to be read in then do it here. */
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if (len != 0 && (srb->sc_data_direction == DMA_FROM_DEVICE)) {
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// How many bytes to read in? Check cylL register
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/* How many bytes to read in? Check cylL register */
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if (usbat_read(us, USBAT_ATA, USBAT_ATA_LBA_ME, status) !=
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USB_STOR_XFER_GOOD) {
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return USB_STOR_TRANSPORT_ERROR;
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}
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if (len > 0xFF) { // need to read cylH also
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if (len > 0xFF) { /* need to read cylH also */
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len = *status;
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if (usbat_read(us, USBAT_ATA, USBAT_ATA_LBA_HI, status) !=
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USB_STOR_XFER_GOOD) {
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@ -1556,13 +1585,16 @@ static int usbat_flash_transport(struct scsi_cmnd * srb, struct us_data *us)
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if (rc != USB_STOR_TRANSPORT_GOOD)
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return rc;
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info->ssize = 0x200; // hard coded 512 byte sectors as per ATA spec
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/* hard coded 512 byte sectors as per ATA spec */
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info->ssize = 0x200;
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US_DEBUGP("usbat_flash_transport: READ_CAPACITY: %ld sectors, %ld bytes per sector\n",
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info->sectors, info->ssize);
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// build the reply
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// note: must return the sector number of the last sector,
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// *not* the total number of sectors
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/*
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* build the reply
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* note: must return the sector number of the last sector,
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* *not* the total number of sectors
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*/
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((__be32 *) ptr)[0] = cpu_to_be32(info->sectors - 1);
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((__be32 *) ptr)[1] = cpu_to_be32(info->ssize);
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usb_stor_set_xfer_buf(ptr, 8, srb);
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@ -1586,7 +1618,9 @@ static int usbat_flash_transport(struct scsi_cmnd * srb, struct us_data *us)
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}
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if (srb->cmnd[0] == READ_12) {
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// I don't think we'll ever see a READ_12 but support it anyway...
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/*
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* I don't think we'll ever see a READ_12 but support it anyway
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*/
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block = ((u32)(srb->cmnd[2]) << 24) | ((u32)(srb->cmnd[3]) << 16) |
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((u32)(srb->cmnd[4]) << 8) | ((u32)(srb->cmnd[5]));
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@ -1608,7 +1642,9 @@ static int usbat_flash_transport(struct scsi_cmnd * srb, struct us_data *us)
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}
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if (srb->cmnd[0] == WRITE_12) {
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// I don't think we'll ever see a WRITE_12 but support it anyway...
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/*
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* I don't think we'll ever see a WRITE_12 but support it anyway
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*/
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block = ((u32)(srb->cmnd[2]) << 24) | ((u32)(srb->cmnd[3]) << 16) |
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((u32)(srb->cmnd[4]) << 8) | ((u32)(srb->cmnd[5]));
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@ -1645,8 +1681,10 @@ static int usbat_flash_transport(struct scsi_cmnd * srb, struct us_data *us)
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}
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if (srb->cmnd[0] == ALLOW_MEDIUM_REMOVAL) {
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// sure. whatever. not like we can stop the user from popping
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// the media out of the device (no locking doors, etc)
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/*
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* sure. whatever. not like we can stop the user from popping
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* the media out of the device (no locking doors, etc)
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*/
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return USB_STOR_TRANSPORT_GOOD;
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}
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