* Copyright (C) 1996-1999 Gadi Oxman <gadio@netvision.net.il>
* Copyright (C) 2000-2002 Paul Bristow <paul@paulbristow.net>
* Copyright (C) 2005 Bartlomiej Zolnierkiewicz
- */
-
-/*
- * The driver currently doesn't have any fancy features, just the bare
- * minimum read/write support.
*
* This driver supports the following IDE floppy drives:
*
* Documentation/ide/ChangeLog.ide-floppy.1996-2002
*/
-#define IDEFLOPPY_VERSION "0.99.newide"
+#define IDEFLOPPY_VERSION "1.00"
#include <linux/module.h>
#include <linux/types.h>
#define IDEFLOPPY_DEBUG_LOG 0
/* #define IDEFLOPPY_DEBUG(fmt, args...) printk(KERN_INFO fmt, ## args) */
-#define IDEFLOPPY_DEBUG( fmt, args... )
+#define IDEFLOPPY_DEBUG(fmt, args...)
#if IDEFLOPPY_DEBUG_LOG
#define debug_log(fmt, args...) \
printk(KERN_INFO "ide-floppy: " fmt, ## args)
#else
-#define debug_log(fmt, args... ) do {} while(0)
+#define debug_log(fmt, args...) do {} while (0)
#endif
-/*
- * Some drives require a longer irq timeout.
- */
+/* Some drives require a longer irq timeout. */
#define IDEFLOPPY_WAIT_CMD (5 * WAIT_CMD)
/*
- * After each failed packet command we issue a request sense command
- * and retry the packet command IDEFLOPPY_MAX_PC_RETRIES times.
+ * After each failed packet command we issue a request sense command and retry
+ * the packet command IDEFLOPPY_MAX_PC_RETRIES times.
*/
#define IDEFLOPPY_MAX_PC_RETRIES 3
/*
- * With each packet command, we allocate a buffer of
- * IDEFLOPPY_PC_BUFFER_SIZE bytes.
+ * With each packet command, we allocate a buffer of IDEFLOPPY_PC_BUFFER_SIZE
+ * bytes.
*/
#define IDEFLOPPY_PC_BUFFER_SIZE 256
/*
- * In various places in the driver, we need to allocate storage
- * for packet commands and requests, which will remain valid while
- * we leave the driver to wait for an interrupt or a timeout event.
+ * In various places in the driver, we need to allocate storage for packet
+ * commands and requests, which will remain valid while we leave the driver to
+ * wait for an interrupt or a timeout event.
*/
#define IDEFLOPPY_PC_STACK (10 + IDEFLOPPY_MAX_PC_RETRIES)
-/*
- * Our view of a packet command.
- */
-typedef struct idefloppy_packet_command_s {
- u8 c[12]; /* Actual packet bytes */
- int retries; /* On each retry, we increment retries */
- int error; /* Error code */
- int request_transfer; /* Bytes to transfer */
- int actually_transferred; /* Bytes actually transferred */
- int buffer_size; /* Size of our data buffer */
- int b_count; /* Missing/Available data on the current buffer */
- struct request *rq; /* The corresponding request */
- u8 *buffer; /* Data buffer */
- u8 *current_position; /* Pointer into the above buffer */
- void (*callback) (ide_drive_t *); /* Called when this packet command is completed */
- u8 pc_buffer[IDEFLOPPY_PC_BUFFER_SIZE]; /* Temporary buffer */
- unsigned long flags; /* Status/Action bit flags: long for set_bit */
-} idefloppy_pc_t;
-
-/*
- * Packet command flag bits.
- */
-#define PC_ABORT 0 /* Set when an error is considered normal - We won't retry */
-#define PC_DMA_RECOMMENDED 2 /* 1 when we prefer to use DMA if possible */
-#define PC_DMA_IN_PROGRESS 3 /* 1 while DMA in progress */
-#define PC_DMA_ERROR 4 /* 1 when encountered problem during DMA */
-#define PC_WRITING 5 /* Data direction */
-
-#define PC_SUPPRESS_ERROR 6 /* Suppress error reporting */
-
/* format capacities descriptor codes */
#define CAPACITY_INVALID 0x00
#define CAPACITY_UNFORMATTED 0x01
#define CAPACITY_NO_CARTRIDGE 0x03
/*
- * Most of our global data which we need to save even as we leave the
- * driver due to an interrupt or a timer event is stored in a variable
- * of type idefloppy_floppy_t, defined below.
+ * Most of our global data which we need to save even as we leave the driver
+ * due to an interrupt or a timer event is stored in a variable of type
+ * idefloppy_floppy_t, defined below.
*/
typedef struct ide_floppy_obj {
ide_drive_t *drive;
unsigned int openers; /* protected by BKL for now */
/* Current packet command */
- idefloppy_pc_t *pc;
+ struct ide_atapi_pc *pc;
/* Last failed packet command */
- idefloppy_pc_t *failed_pc;
+ struct ide_atapi_pc *failed_pc;
/* Packet command stack */
- idefloppy_pc_t pc_stack[IDEFLOPPY_PC_STACK];
+ struct ide_atapi_pc pc_stack[IDEFLOPPY_PC_STACK];
/* Next free packet command storage space */
int pc_stack_index;
struct request rq_stack[IDEFLOPPY_PC_STACK];
/* We implement a circular array */
int rq_stack_index;
- /*
- * Last error information
- */
+ /* Last error information */
u8 sense_key, asc, ascq;
/* delay this long before sending packet command */
u8 ticks;
int progress_indication;
- /*
- * Device information
- */
+ /* Device information */
/* Current format */
int blocks, block_size, bs_factor;
/* Last format capacity descriptor */
#define IDEFLOPPY_TICKS_DELAY HZ/20 /* default delay for ZIP 100 (50ms) */
-/*
- * Floppy flag bits values.
- */
-#define IDEFLOPPY_DRQ_INTERRUPT 0 /* DRQ interrupt device */
-#define IDEFLOPPY_MEDIA_CHANGED 1 /* Media may have changed */
-#define IDEFLOPPY_FORMAT_IN_PROGRESS 3 /* Format in progress */
-#define IDEFLOPPY_CLIK_DRIVE 4 /* Avoid commands not supported in Clik drive */
-#define IDEFLOPPY_ZIP_DRIVE 5 /* Requires BH algorithm for packets */
+/* Floppy flag bits values. */
+enum {
+ /* DRQ interrupt device */
+ IDEFLOPPY_FLAG_DRQ_INTERRUPT = (1 << 0),
+ /* Media may have changed */
+ IDEFLOPPY_FLAG_MEDIA_CHANGED = (1 << 1),
+ /* Format in progress */
+ IDEFLOPPY_FLAG_FORMAT_IN_PROGRESS = (1 << 2),
+ /* Avoid commands not supported in Clik drive */
+ IDEFLOPPY_FLAG_CLIK_DRIVE = (1 << 3),
+ /* Requires BH algorithm for packets */
+ IDEFLOPPY_FLAG_ZIP_DRIVE = (1 << 4),
+};
-/*
- * Defines for the mode sense command
- */
+/* Defines for the MODE SENSE command */
#define MODE_SENSE_CURRENT 0x00
#define MODE_SENSE_CHANGEABLE 0x01
-#define MODE_SENSE_DEFAULT 0x02
+#define MODE_SENSE_DEFAULT 0x02
#define MODE_SENSE_SAVED 0x03
-/*
- * IOCTLs used in low-level formatting.
- */
-
+/* IOCTLs used in low-level formatting. */
#define IDEFLOPPY_IOCTL_FORMAT_SUPPORTED 0x4600
#define IDEFLOPPY_IOCTL_FORMAT_GET_CAPACITY 0x4601
#define IDEFLOPPY_IOCTL_FORMAT_START 0x4602
#define IDEFLOPPY_IOCTL_FORMAT_GET_PROGRESS 0x4603
-/*
- * Error codes which are returned in rq->errors to the higher part
- * of the driver.
- */
+/* Error code returned in rq->errors to the higher part of the driver. */
#define IDEFLOPPY_ERROR_GENERAL 101
-/*
- * The following is used to format the general configuration word of
- * the ATAPI IDENTIFY DEVICE command.
- */
-struct idefloppy_id_gcw {
-#if defined(__LITTLE_ENDIAN_BITFIELD)
- unsigned packet_size :2; /* Packet Size */
- unsigned reserved234 :3; /* Reserved */
- unsigned drq_type :2; /* Command packet DRQ type */
- unsigned removable :1; /* Removable media */
- unsigned device_type :5; /* Device type */
- unsigned reserved13 :1; /* Reserved */
- unsigned protocol :2; /* Protocol type */
-#elif defined(__BIG_ENDIAN_BITFIELD)
- unsigned protocol :2; /* Protocol type */
- unsigned reserved13 :1; /* Reserved */
- unsigned device_type :5; /* Device type */
- unsigned removable :1; /* Removable media */
- unsigned drq_type :2; /* Command packet DRQ type */
- unsigned reserved234 :3; /* Reserved */
- unsigned packet_size :2; /* Packet Size */
-#else
-#error "Bitfield endianness not defined! Check your byteorder.h"
-#endif
-};
-
/*
* Pages of the SELECT SENSE / MODE SENSE packet commands.
* See SFF-8070i spec.
}
/*
- * Too bad. The drive wants to send us data which we are not ready to accept.
- * Just throw it away.
+ * Used to finish servicing a request. For read/write requests, we will call
+ * ide_end_request to pass to the next buffer.
*/
-static void idefloppy_discard_data (ide_drive_t *drive, unsigned int bcount)
-{
- while (bcount--)
- (void) HWIF(drive)->INB(IDE_DATA_REG);
-}
-
-static void idefloppy_write_zeros(ide_drive_t *drive, unsigned int bcount)
-{
- while (bcount--)
- HWIF(drive)->OUTB(0, IDE_DATA_REG);
-}
-
-
-/*
- * idefloppy_do_end_request is used to finish servicing a request.
- *
- * For read/write requests, we will call ide_end_request to pass to the
- * next buffer.
- */
-static int idefloppy_do_end_request(ide_drive_t *drive, int uptodate, int nsecs)
+static int idefloppy_end_request(ide_drive_t *drive, int uptodate, int nsecs)
{
idefloppy_floppy_t *floppy = drive->driver_data;
struct request *rq = HWGROUP(drive)->rq;
debug_log("Reached %s\n", __func__);
switch (uptodate) {
- case 0: error = IDEFLOPPY_ERROR_GENERAL; break;
- case 1: error = 0; break;
- default: error = uptodate;
+ case 0: error = IDEFLOPPY_ERROR_GENERAL; break;
+ case 1: error = 0; break;
+ default: error = uptodate;
}
if (error)
floppy->failed_pc = NULL;
return 0;
}
-static void ide_floppy_io_buffers(ide_drive_t *drive, idefloppy_pc_t *pc,
+static void ide_floppy_io_buffers(ide_drive_t *drive, struct ide_atapi_pc *pc,
unsigned int bcount, int direction)
{
struct request *rq = pc->rq;
done += count;
}
- idefloppy_do_end_request(drive, 1, done >> 9);
+ idefloppy_end_request(drive, 1, done >> 9);
if (bcount) {
printk(KERN_ERR "%s: leftover data in %s, bcount == %d\n",
drive->name, __func__, bcount);
if (direction)
- idefloppy_write_zeros(drive, bcount);
+ ide_atapi_write_zeros(drive, bcount);
else
- idefloppy_discard_data(drive, bcount);
-
+ ide_atapi_discard_data(drive, bcount);
}
}
-static void idefloppy_update_buffers (ide_drive_t *drive, idefloppy_pc_t *pc)
+static void idefloppy_update_buffers(ide_drive_t *drive,
+ struct ide_atapi_pc *pc)
{
struct request *rq = pc->rq;
struct bio *bio = rq->bio;
while ((bio = rq->bio) != NULL)
- idefloppy_do_end_request(drive, 1, 0);
+ idefloppy_end_request(drive, 1, 0);
}
/*
- * idefloppy_queue_pc_head generates a new packet command request in front
- * of the request queue, before the current request, so that it will be
- * processed immediately, on the next pass through the driver.
+ * Generate a new packet command request in front of the request queue, before
+ * the current request so that it will be processed immediately, on the next
+ * pass through the driver.
*/
-static void idefloppy_queue_pc_head (ide_drive_t *drive,idefloppy_pc_t *pc,struct request *rq)
+static void idefloppy_queue_pc_head(ide_drive_t *drive, struct ide_atapi_pc *pc,
+ struct request *rq)
{
struct ide_floppy_obj *floppy = drive->driver_data;
(void) ide_do_drive_cmd(drive, rq, ide_preempt);
}
-static idefloppy_pc_t *idefloppy_next_pc_storage (ide_drive_t *drive)
+static struct ide_atapi_pc *idefloppy_next_pc_storage(ide_drive_t *drive)
{
idefloppy_floppy_t *floppy = drive->driver_data;
if (floppy->pc_stack_index == IDEFLOPPY_PC_STACK)
- floppy->pc_stack_index=0;
+ floppy->pc_stack_index = 0;
return (&floppy->pc_stack[floppy->pc_stack_index++]);
}
-static struct request *idefloppy_next_rq_storage (ide_drive_t *drive)
+static struct request *idefloppy_next_rq_storage(ide_drive_t *drive)
{
idefloppy_floppy_t *floppy = drive->driver_data;
static void idefloppy_request_sense_callback(ide_drive_t *drive)
{
idefloppy_floppy_t *floppy = drive->driver_data;
- u8 *buf = floppy->pc->buffer;
+ u8 *buf = floppy->pc->buf;
debug_log("Reached %s\n", __func__);
floppy->ascq);
- idefloppy_do_end_request(drive, 1, 0);
+ idefloppy_end_request(drive, 1, 0);
} else {
printk(KERN_ERR "Error in REQUEST SENSE itself - Aborting"
" request!\n");
- idefloppy_do_end_request(drive, 0, 0);
+ idefloppy_end_request(drive, 0, 0);
}
}
-/*
- * General packet command callback function.
- */
-static void idefloppy_pc_callback (ide_drive_t *drive)
+/* General packet command callback function. */
+static void idefloppy_pc_callback(ide_drive_t *drive)
{
idefloppy_floppy_t *floppy = drive->driver_data;
debug_log("Reached %s\n", __func__);
- idefloppy_do_end_request(drive, floppy->pc->error ? 0 : 1, 0);
+ idefloppy_end_request(drive, floppy->pc->error ? 0 : 1, 0);
}
-/*
- * idefloppy_init_pc initializes a packet command.
- */
-static void idefloppy_init_pc (idefloppy_pc_t *pc)
+static void idefloppy_init_pc(struct ide_atapi_pc *pc)
{
memset(pc->c, 0, 12);
pc->retries = 0;
pc->flags = 0;
- pc->request_transfer = 0;
- pc->buffer = pc->pc_buffer;
- pc->buffer_size = IDEFLOPPY_PC_BUFFER_SIZE;
- pc->callback = &idefloppy_pc_callback;
+ pc->req_xfer = 0;
+ pc->buf = pc->pc_buf;
+ pc->buf_size = IDEFLOPPY_PC_BUFFER_SIZE;
+ pc->idefloppy_callback = &idefloppy_pc_callback;
}
-static void idefloppy_create_request_sense_cmd (idefloppy_pc_t *pc)
+static void idefloppy_create_request_sense_cmd(struct ide_atapi_pc *pc)
{
idefloppy_init_pc(pc);
pc->c[0] = GPCMD_REQUEST_SENSE;
pc->c[4] = 255;
- pc->request_transfer = 18;
- pc->callback = &idefloppy_request_sense_callback;
+ pc->req_xfer = 18;
+ pc->idefloppy_callback = &idefloppy_request_sense_callback;
}
/*
- * idefloppy_retry_pc is called when an error was detected during the
- * last packet command. We queue a request sense packet command in
- * the head of the request list.
+ * Called when an error was detected during the last packet command. We queue a
+ * request sense packet command in the head of the request list.
*/
-static void idefloppy_retry_pc (ide_drive_t *drive)
+static void idefloppy_retry_pc(ide_drive_t *drive)
{
- idefloppy_pc_t *pc;
+ struct ide_atapi_pc *pc;
struct request *rq;
- (void)drive->hwif->INB(IDE_ERROR_REG);
+ (void)ide_read_error(drive);
pc = idefloppy_next_pc_storage(drive);
rq = idefloppy_next_rq_storage(drive);
idefloppy_create_request_sense_cmd(pc);
}
/* The usual interrupt handler called during a packet command. */
-static ide_startstop_t idefloppy_pc_intr (ide_drive_t *drive)
+static ide_startstop_t idefloppy_pc_intr(ide_drive_t *drive)
{
idefloppy_floppy_t *floppy = drive->driver_data;
ide_hwif_t *hwif = drive->hwif;
- idefloppy_pc_t *pc = floppy->pc;
+ struct ide_atapi_pc *pc = floppy->pc;
struct request *rq = pc->rq;
xfer_func_t *xferfunc;
unsigned int temp;
debug_log("Reached %s interrupt handler\n", __func__);
- if (test_bit(PC_DMA_IN_PROGRESS, &pc->flags)) {
- dma_error = hwif->ide_dma_end(drive);
+ if (pc->flags & PC_FLAG_DMA_IN_PROGRESS) {
+ dma_error = hwif->dma_ops->dma_end(drive);
if (dma_error) {
printk(KERN_ERR "%s: DMA %s error\n", drive->name,
rq_data_dir(rq) ? "write" : "read");
- set_bit(PC_DMA_ERROR, &pc->flags);
+ pc->flags |= PC_FLAG_DMA_ERROR;
} else {
- pc->actually_transferred = pc->request_transfer;
+ pc->xferred = pc->req_xfer;
idefloppy_update_buffers(drive, pc);
}
debug_log("DMA finished\n");
}
/* Clear the interrupt */
- stat = drive->hwif->INB(IDE_STATUS_REG);
+ stat = ide_read_status(drive);
- if ((stat & DRQ_STAT) == 0) { /* No more interrupts */
+ /* No more interrupts */
+ if ((stat & DRQ_STAT) == 0) {
debug_log("Packet command completed, %d bytes transferred\n",
- pc->actually_transferred);
- clear_bit(PC_DMA_IN_PROGRESS, &pc->flags);
+ pc->xferred);
+ pc->flags &= ~PC_FLAG_DMA_IN_PROGRESS;
local_irq_enable_in_hardirq();
- if ((stat & ERR_STAT) || test_bit(PC_DMA_ERROR, &pc->flags)) {
+ if ((stat & ERR_STAT) || (pc->flags & PC_FLAG_DMA_ERROR)) {
/* Error detected */
debug_log("%s: I/O error\n", drive->name);
rq->errors++;
if (floppy->failed_pc == pc)
floppy->failed_pc = NULL;
/* Command finished - Call the callback function */
- pc->callback(drive);
+ pc->idefloppy_callback(drive);
return ide_stopped;
}
- if (test_and_clear_bit(PC_DMA_IN_PROGRESS, &pc->flags)) {
+ if (pc->flags & PC_FLAG_DMA_IN_PROGRESS) {
+ pc->flags &= ~PC_FLAG_DMA_IN_PROGRESS;
printk(KERN_ERR "ide-floppy: The floppy wants to issue "
"more interrupts in DMA mode\n");
ide_dma_off(drive);
}
/* Get the number of bytes to transfer */
- bcount = (hwif->INB(IDE_BCOUNTH_REG) << 8) |
- hwif->INB(IDE_BCOUNTL_REG);
+ bcount = (hwif->INB(hwif->io_ports[IDE_BCOUNTH_OFFSET]) << 8) |
+ hwif->INB(hwif->io_ports[IDE_BCOUNTL_OFFSET]);
/* on this interrupt */
- ireason = hwif->INB(IDE_IREASON_REG);
+ ireason = hwif->INB(hwif->io_ports[IDE_IREASON_OFFSET]);
if (ireason & CD) {
printk(KERN_ERR "ide-floppy: CoD != 0 in %s\n", __func__);
return ide_do_reset(drive);
}
- if (((ireason & IO) == IO) == test_bit(PC_WRITING, &pc->flags)) {
+ if (((ireason & IO) == IO) == !!(pc->flags & PC_FLAG_WRITING)) {
/* Hopefully, we will never get here */
printk(KERN_ERR "ide-floppy: We wanted to %s, ",
(ireason & IO) ? "Write" : "Read");
(ireason & IO) ? "Read" : "Write");
return ide_do_reset(drive);
}
- if (!test_bit(PC_WRITING, &pc->flags)) {
+ if (!(pc->flags & PC_FLAG_WRITING)) {
/* Reading - Check that we have enough space */
- temp = pc->actually_transferred + bcount;
- if (temp > pc->request_transfer) {
- if (temp > pc->buffer_size) {
+ temp = pc->xferred + bcount;
+ if (temp > pc->req_xfer) {
+ if (temp > pc->buf_size) {
printk(KERN_ERR "ide-floppy: The floppy wants "
"to send us more data than expected "
"- discarding data\n");
- idefloppy_discard_data(drive, bcount);
+ ide_atapi_discard_data(drive, bcount);
ide_set_handler(drive,
&idefloppy_pc_intr,
" expected - allowing transfer\n");
}
}
- if (test_bit(PC_WRITING, &pc->flags))
+ if (pc->flags & PC_FLAG_WRITING)
xferfunc = hwif->atapi_output_bytes;
else
xferfunc = hwif->atapi_input_bytes;
- if (pc->buffer)
- xferfunc(drive, pc->current_position, bcount);
+ if (pc->buf)
+ xferfunc(drive, pc->cur_pos, bcount);
else
ide_floppy_io_buffers(drive, pc, bcount,
- test_bit(PC_WRITING, &pc->flags));
+ !!(pc->flags & PC_FLAG_WRITING));
/* Update the current position */
- pc->actually_transferred += bcount;
- pc->current_position += bcount;
+ pc->xferred += bcount;
+ pc->cur_pos += bcount;
/* And set the interrupt handler again */
ide_set_handler(drive, &idefloppy_pc_intr, IDEFLOPPY_WAIT_CMD, NULL);
* It fails at high speeds on the Iomega ZIP drive, so there's a slower version
* for that drive below. The algorithm is chosen based on drive type
*/
-static ide_startstop_t idefloppy_transfer_pc (ide_drive_t *drive)
+static ide_startstop_t idefloppy_transfer_pc(ide_drive_t *drive)
{
+ ide_hwif_t *hwif = drive->hwif;
ide_startstop_t startstop;
idefloppy_floppy_t *floppy = drive->driver_data;
u8 ireason;
"initiated yet DRQ isn't asserted\n");
return startstop;
}
- ireason = drive->hwif->INB(IDE_IREASON_REG);
+ ireason = hwif->INB(hwif->io_ports[IDE_IREASON_OFFSET]);
if ((ireason & CD) == 0 || (ireason & IO)) {
printk(KERN_ERR "ide-floppy: (IO,CoD) != (0,1) while "
"issuing a packet command\n");
/*
- * What we have here is a classic case of a top half / bottom half
- * interrupt service routine. In interrupt mode, the device sends
- * an interrupt to signal it's ready to receive a packet. However,
- * we need to delay about 2-3 ticks before issuing the packet or we
- * gets in trouble.
+ * What we have here is a classic case of a top half / bottom half interrupt
+ * service routine. In interrupt mode, the device sends an interrupt to signal
+ * that it is ready to receive a packet. However, we need to delay about 2-3
+ * ticks before issuing the packet or we gets in trouble.
*
- * So, follow carefully. transfer_pc1 is called as an interrupt (or
- * directly). In either case, when the device says it's ready for a
- * packet, we schedule the packet transfer to occur about 2-3 ticks
- * later in transfer_pc2.
+ * So, follow carefully. transfer_pc1 is called as an interrupt (or directly).
+ * In either case, when the device says it's ready for a packet, we schedule
+ * the packet transfer to occur about 2-3 ticks later in transfer_pc2.
*/
-static int idefloppy_transfer_pc2 (ide_drive_t *drive)
+static int idefloppy_transfer_pc2(ide_drive_t *drive)
{
idefloppy_floppy_t *floppy = drive->driver_data;
return IDEFLOPPY_WAIT_CMD;
}
-static ide_startstop_t idefloppy_transfer_pc1 (ide_drive_t *drive)
+static ide_startstop_t idefloppy_transfer_pc1(ide_drive_t *drive)
{
+ ide_hwif_t *hwif = drive->hwif;
idefloppy_floppy_t *floppy = drive->driver_data;
ide_startstop_t startstop;
u8 ireason;
"initiated yet DRQ isn't asserted\n");
return startstop;
}
- ireason = drive->hwif->INB(IDE_IREASON_REG);
+ ireason = hwif->INB(hwif->io_ports[IDE_IREASON_OFFSET]);
if ((ireason & CD) == 0 || (ireason & IO)) {
printk(KERN_ERR "ide-floppy: (IO,CoD) != (0,1) "
"while issuing a packet command\n");
return ide_do_reset(drive);
}
- /*
+ /*
* The following delay solves a problem with ATAPI Zip 100 drives
* where the Busy flag was apparently being deasserted before the
* unit was ready to receive data. This was happening on a
* used until after the packet is moved in about 50 msec.
*/
- ide_set_handler(drive,
- &idefloppy_pc_intr, /* service routine for packet command */
- floppy->ticks, /* wait this long before "failing" */
- &idefloppy_transfer_pc2); /* fail == transfer_pc2 */
+ ide_set_handler(drive, &idefloppy_pc_intr, floppy->ticks,
+ &idefloppy_transfer_pc2);
return ide_started;
}
static void ide_floppy_report_error(idefloppy_floppy_t *floppy,
- idefloppy_pc_t *pc)
+ struct ide_atapi_pc *pc)
{
/* supress error messages resulting from Medium not present */
if (floppy->sense_key == 0x02 &&
}
-/*
- * Issue a packet command
- */
-static ide_startstop_t idefloppy_issue_pc (ide_drive_t *drive, idefloppy_pc_t *pc)
+static ide_startstop_t idefloppy_issue_pc(ide_drive_t *drive,
+ struct ide_atapi_pc *pc)
{
idefloppy_floppy_t *floppy = drive->driver_data;
ide_hwif_t *hwif = drive->hwif;
/* Set the current packet command */
floppy->pc = pc;
- if (pc->retries > IDEFLOPPY_MAX_PC_RETRIES ||
- test_bit(PC_ABORT, &pc->flags)) {
- /*
- * We will "abort" retrying a packet command in case
- * a legitimate error code was received.
- */
- if (!test_bit(PC_ABORT, &pc->flags)) {
- if (!test_bit(PC_SUPPRESS_ERROR, &pc->flags))
- ide_floppy_report_error(floppy, pc);
- /* Giving up */
- pc->error = IDEFLOPPY_ERROR_GENERAL;
- }
+ if (pc->retries > IDEFLOPPY_MAX_PC_RETRIES) {
+ if (!(pc->flags & PC_FLAG_SUPPRESS_ERROR))
+ ide_floppy_report_error(floppy, pc);
+ /* Giving up */
+ pc->error = IDEFLOPPY_ERROR_GENERAL;
+
floppy->failed_pc = NULL;
- pc->callback(drive);
+ pc->idefloppy_callback(drive);
return ide_stopped;
}
pc->retries++;
/* We haven't transferred any data yet */
- pc->actually_transferred = 0;
- pc->current_position = pc->buffer;
- bcount = min(pc->request_transfer, 63 * 1024);
+ pc->xferred = 0;
+ pc->cur_pos = pc->buf;
+ bcount = min(pc->req_xfer, 63 * 1024);
- if (test_and_clear_bit(PC_DMA_ERROR, &pc->flags))
+ if (pc->flags & PC_FLAG_DMA_ERROR) {
+ pc->flags &= ~PC_FLAG_DMA_ERROR;
ide_dma_off(drive);
-
+ }
dma = 0;
- if (test_bit(PC_DMA_RECOMMENDED, &pc->flags) && drive->using_dma)
- dma = !hwif->dma_setup(drive);
+ if ((pc->flags & PC_FLAG_DMA_RECOMMENDED) && drive->using_dma)
+ dma = !hwif->dma_ops->dma_setup(drive);
ide_pktcmd_tf_load(drive, IDE_TFLAG_NO_SELECT_MASK |
IDE_TFLAG_OUT_DEVICE, bcount, dma);
- if (dma) { /* Begin DMA, if necessary */
- set_bit(PC_DMA_IN_PROGRESS, &pc->flags);
- hwif->dma_start(drive);
+ if (dma) {
+ /* Begin DMA, if necessary */
+ pc->flags |= PC_FLAG_DMA_IN_PROGRESS;
+ hwif->dma_ops->dma_start(drive);
}
/* Can we transfer the packet when we get the interrupt or wait? */
- if (test_bit(IDEFLOPPY_ZIP_DRIVE, &floppy->flags)) {
+ if (floppy->flags & IDEFLOPPY_FLAG_ZIP_DRIVE) {
/* wait */
pkt_xfer_routine = &idefloppy_transfer_pc1;
} else {
/* immediate */
pkt_xfer_routine = &idefloppy_transfer_pc;
}
-
- if (test_bit (IDEFLOPPY_DRQ_INTERRUPT, &floppy->flags)) {
+
+ if (floppy->flags & IDEFLOPPY_FLAG_DRQ_INTERRUPT) {
/* Issue the packet command */
ide_execute_command(drive, WIN_PACKETCMD,
pkt_xfer_routine,
return ide_started;
} else {
/* Issue the packet command */
- HWIF(drive)->OUTB(WIN_PACKETCMD, IDE_COMMAND_REG);
+ hwif->OUTB(WIN_PACKETCMD, hwif->io_ports[IDE_COMMAND_OFFSET]);
return (*pkt_xfer_routine) (drive);
}
}
-static void idefloppy_rw_callback (ide_drive_t *drive)
+static void idefloppy_rw_callback(ide_drive_t *drive)
{
debug_log("Reached %s\n", __func__);
- idefloppy_do_end_request(drive, 1, 0);
+ idefloppy_end_request(drive, 1, 0);
return;
}
-static void idefloppy_create_prevent_cmd (idefloppy_pc_t *pc, int prevent)
+static void idefloppy_create_prevent_cmd(struct ide_atapi_pc *pc, int prevent)
{
debug_log("creating prevent removal command, prevent = %d\n", prevent);
pc->c[4] = prevent;
}
-static void idefloppy_create_read_capacity_cmd (idefloppy_pc_t *pc)
+static void idefloppy_create_read_capacity_cmd(struct ide_atapi_pc *pc)
{
idefloppy_init_pc(pc);
pc->c[0] = GPCMD_READ_FORMAT_CAPACITIES;
pc->c[7] = 255;
pc->c[8] = 255;
- pc->request_transfer = 255;
+ pc->req_xfer = 255;
}
-static void idefloppy_create_format_unit_cmd (idefloppy_pc_t *pc, int b, int l,
- int flags)
+static void idefloppy_create_format_unit_cmd(struct ide_atapi_pc *pc, int b,
+ int l, int flags)
{
idefloppy_init_pc(pc);
pc->c[0] = GPCMD_FORMAT_UNIT;
pc->c[1] = 0x17;
- memset(pc->buffer, 0, 12);
- pc->buffer[1] = 0xA2;
+ memset(pc->buf, 0, 12);
+ pc->buf[1] = 0xA2;
/* Default format list header, u8 1: FOV/DCRT/IMM bits set */
if (flags & 1) /* Verify bit on... */
- pc->buffer[1] ^= 0x20; /* ... turn off DCRT bit */
- pc->buffer[3] = 8;
+ pc->buf[1] ^= 0x20; /* ... turn off DCRT bit */
+ pc->buf[3] = 8;
- put_unaligned(cpu_to_be32(b), (unsigned int *)(&pc->buffer[4]));
- put_unaligned(cpu_to_be32(l), (unsigned int *)(&pc->buffer[8]));
- pc->buffer_size=12;
- set_bit(PC_WRITING, &pc->flags);
+ put_unaligned(cpu_to_be32(b), (unsigned int *)(&pc->buf[4]));
+ put_unaligned(cpu_to_be32(l), (unsigned int *)(&pc->buf[8]));
+ pc->buf_size = 12;
+ pc->flags |= PC_FLAG_WRITING;
}
-/*
- * A mode sense command is used to "sense" floppy parameters.
- */
-static void idefloppy_create_mode_sense_cmd (idefloppy_pc_t *pc, u8 page_code, u8 type)
+/* A mode sense command is used to "sense" floppy parameters. */
+static void idefloppy_create_mode_sense_cmd(struct ide_atapi_pc *pc,
+ u8 page_code, u8 type)
{
u16 length = 8; /* sizeof(Mode Parameter Header) = 8 Bytes */
-
+
idefloppy_init_pc(pc);
pc->c[0] = GPCMD_MODE_SENSE_10;
pc->c[1] = 0;
pc->c[2] = page_code + (type << 6);
switch (page_code) {
- case IDEFLOPPY_CAPABILITIES_PAGE:
- length += 12;
- break;
- case IDEFLOPPY_FLEXIBLE_DISK_PAGE:
- length += 32;
- break;
- default:
- printk(KERN_ERR "ide-floppy: unsupported page code "
+ case IDEFLOPPY_CAPABILITIES_PAGE:
+ length += 12;
+ break;
+ case IDEFLOPPY_FLEXIBLE_DISK_PAGE:
+ length += 32;
+ break;
+ default:
+ printk(KERN_ERR "ide-floppy: unsupported page code "
"in create_mode_sense_cmd\n");
}
put_unaligned(cpu_to_be16(length), (u16 *) &pc->c[7]);
- pc->request_transfer = length;
+ pc->req_xfer = length;
}
-static void idefloppy_create_start_stop_cmd (idefloppy_pc_t *pc, int start)
+static void idefloppy_create_start_stop_cmd(struct ide_atapi_pc *pc, int start)
{
idefloppy_init_pc(pc);
pc->c[0] = GPCMD_START_STOP_UNIT;
pc->c[4] = start;
}
-static void idefloppy_create_test_unit_ready_cmd(idefloppy_pc_t *pc)
+static void idefloppy_create_test_unit_ready_cmd(struct ide_atapi_pc *pc)
{
idefloppy_init_pc(pc);
pc->c[0] = GPCMD_TEST_UNIT_READY;
}
static void idefloppy_create_rw_cmd(idefloppy_floppy_t *floppy,
- idefloppy_pc_t *pc, struct request *rq,
+ struct ide_atapi_pc *pc, struct request *rq,
unsigned long sector)
{
int block = sector / floppy->bs_factor;
put_unaligned(cpu_to_be16(blocks), (unsigned short *)&pc->c[7]);
put_unaligned(cpu_to_be32(block), (unsigned int *) &pc->c[2]);
- pc->callback = &idefloppy_rw_callback;
+ pc->idefloppy_callback = &idefloppy_rw_callback;
pc->rq = rq;
pc->b_count = cmd == READ ? 0 : rq->bio->bi_size;
if (rq->cmd_flags & REQ_RW)
- set_bit(PC_WRITING, &pc->flags);
- pc->buffer = NULL;
- pc->request_transfer = pc->buffer_size = blocks * floppy->block_size;
- set_bit(PC_DMA_RECOMMENDED, &pc->flags);
+ pc->flags |= PC_FLAG_WRITING;
+ pc->buf = NULL;
+ pc->req_xfer = pc->buf_size = blocks * floppy->block_size;
+ pc->flags |= PC_FLAG_DMA_RECOMMENDED;
}
-static void
-idefloppy_blockpc_cmd(idefloppy_floppy_t *floppy, idefloppy_pc_t *pc, struct request *rq)
+static void idefloppy_blockpc_cmd(idefloppy_floppy_t *floppy,
+ struct ide_atapi_pc *pc, struct request *rq)
{
idefloppy_init_pc(pc);
- pc->callback = &idefloppy_rw_callback;
+ pc->idefloppy_callback = &idefloppy_rw_callback;
memcpy(pc->c, rq->cmd, sizeof(pc->c));
pc->rq = rq;
pc->b_count = rq->data_len;
if (rq->data_len && rq_data_dir(rq) == WRITE)
- set_bit(PC_WRITING, &pc->flags);
- pc->buffer = rq->data;
+ pc->flags |= PC_FLAG_WRITING;
+ pc->buf = rq->data;
if (rq->bio)
- set_bit(PC_DMA_RECOMMENDED, &pc->flags);
-
+ pc->flags |= PC_FLAG_DMA_RECOMMENDED;
/*
* possibly problematic, doesn't look like ide-floppy correctly
* handled scattered requests if dma fails...
*/
- pc->request_transfer = pc->buffer_size = rq->data_len;
+ pc->req_xfer = pc->buf_size = rq->data_len;
}
-/*
- * idefloppy_do_request is our request handling function.
- */
-static ide_startstop_t idefloppy_do_request (ide_drive_t *drive, struct request *rq, sector_t block_s)
+static ide_startstop_t idefloppy_do_request(ide_drive_t *drive,
+ struct request *rq, sector_t block_s)
{
idefloppy_floppy_t *floppy = drive->driver_data;
- idefloppy_pc_t *pc;
+ struct ide_atapi_pc *pc;
unsigned long block = (unsigned long)block_s;
debug_log("dev: %s, cmd_type: %x, errors: %d\n",
else
printk(KERN_ERR "ide-floppy: %s: I/O error\n",
drive->name);
- idefloppy_do_end_request(drive, 0, 0);
+ idefloppy_end_request(drive, 0, 0);
return ide_stopped;
}
if (blk_fs_request(rq)) {
if (((long)rq->sector % floppy->bs_factor) ||
(rq->nr_sectors % floppy->bs_factor)) {
- printk("%s: unsupported r/w request size\n",
- drive->name);
- idefloppy_do_end_request(drive, 0, 0);
+ printk(KERN_ERR "%s: unsupported r/w request size\n",
+ drive->name);
+ idefloppy_end_request(drive, 0, 0);
return ide_stopped;
}
pc = idefloppy_next_pc_storage(drive);
idefloppy_create_rw_cmd(floppy, pc, rq, block);
} else if (blk_special_request(rq)) {
- pc = (idefloppy_pc_t *) rq->buffer;
+ pc = (struct ide_atapi_pc *) rq->buffer;
} else if (blk_pc_request(rq)) {
pc = idefloppy_next_pc_storage(drive);
idefloppy_blockpc_cmd(floppy, pc, rq);
} else {
blk_dump_rq_flags(rq,
"ide-floppy: unsupported command in queue");
- idefloppy_do_end_request(drive, 0, 0);
+ idefloppy_end_request(drive, 0, 0);
return ide_stopped;
}
}
/*
- * idefloppy_queue_pc_tail adds a special packet command request to the
- * tail of the request queue, and waits for it to be serviced.
+ * Add a special packet command request to the tail of the request queue,
+ * and wait for it to be serviced.
*/
-static int idefloppy_queue_pc_tail (ide_drive_t *drive,idefloppy_pc_t *pc)
+static int idefloppy_queue_pc_tail(ide_drive_t *drive, struct ide_atapi_pc *pc)
{
struct ide_floppy_obj *floppy = drive->driver_data;
struct request rq;
- ide_init_drive_cmd (&rq);
+ ide_init_drive_cmd(&rq);
rq.buffer = (char *) pc;
rq.cmd_type = REQ_TYPE_SPECIAL;
rq.rq_disk = floppy->disk;
static int ide_floppy_get_flexible_disk_page(ide_drive_t *drive)
{
idefloppy_floppy_t *floppy = drive->driver_data;
- idefloppy_pc_t pc;
+ struct ide_atapi_pc pc;
u8 *page;
int capacity, lba_capacity;
u16 transfer_rate, sector_size, cyls, rpm;
" parameters\n");
return 1;
}
- floppy->wp = !!(pc.buffer[3] & 0x80);
+ floppy->wp = !!(pc.buf[3] & 0x80);
set_disk_ro(floppy->disk, floppy->wp);
- page = &pc.buffer[8];
+ page = &pc.buf[8];
- transfer_rate = be16_to_cpu(*(u16 *)&pc.buffer[8 + 2]);
- sector_size = be16_to_cpu(*(u16 *)&pc.buffer[8 + 6]);
- cyls = be16_to_cpu(*(u16 *)&pc.buffer[8 + 8]);
- rpm = be16_to_cpu(*(u16 *)&pc.buffer[8 + 28]);
- heads = pc.buffer[8 + 4];
- sectors = pc.buffer[8 + 5];
+ transfer_rate = be16_to_cpu(*(u16 *)&pc.buf[8 + 2]);
+ sector_size = be16_to_cpu(*(u16 *)&pc.buf[8 + 6]);
+ cyls = be16_to_cpu(*(u16 *)&pc.buf[8 + 8]);
+ rpm = be16_to_cpu(*(u16 *)&pc.buf[8 + 28]);
+ heads = pc.buf[8 + 4];
+ sectors = pc.buf[8 + 5];
capacity = cyls * heads * sectors * sector_size;
static int idefloppy_get_sfrp_bit(ide_drive_t *drive)
{
idefloppy_floppy_t *floppy = drive->driver_data;
- idefloppy_pc_t pc;
+ struct ide_atapi_pc pc;
floppy->srfp = 0;
idefloppy_create_mode_sense_cmd(&pc, IDEFLOPPY_CAPABILITIES_PAGE,
MODE_SENSE_CURRENT);
- set_bit(PC_SUPPRESS_ERROR, &pc.flags);
+ pc.flags |= PC_FLAG_SUPPRESS_ERROR;
if (idefloppy_queue_pc_tail(drive, &pc))
return 1;
- floppy->srfp = pc.buffer[8 + 2] & 0x40;
+ floppy->srfp = pc.buf[8 + 2] & 0x40;
return (0);
}
static int ide_floppy_get_capacity(ide_drive_t *drive)
{
idefloppy_floppy_t *floppy = drive->driver_data;
- idefloppy_pc_t pc;
+ struct ide_atapi_pc pc;
u8 *cap_desc;
u8 header_len, desc_cnt;
int i, rc = 1, blocks, length;
printk(KERN_ERR "ide-floppy: Can't get floppy parameters\n");
return 1;
}
- header_len = pc.buffer[3];
- cap_desc = &pc.buffer[4];
+ header_len = pc.buf[3];
+ cap_desc = &pc.buf[4];
desc_cnt = header_len / 8; /* capacity descriptor of 8 bytes */
for (i = 0; i < desc_cnt; i++) {
unsigned int desc_start = 4 + i*8;
- blocks = be32_to_cpu(*(u32 *)&pc.buffer[desc_start]);
- length = be16_to_cpu(*(u16 *)&pc.buffer[desc_start + 6]);
+ blocks = be32_to_cpu(*(u32 *)&pc.buf[desc_start]);
+ length = be16_to_cpu(*(u16 *)&pc.buf[desc_start + 6]);
debug_log("Descriptor %d: %dkB, %d blocks, %d sector size\n",
i, blocks * length / 1024, blocks, length);
* the code below is valid only for the 1st descriptor, ie i=0
*/
- switch (pc.buffer[desc_start + 4] & 0x03) {
+ switch (pc.buf[desc_start + 4] & 0x03) {
/* Clik! drive returns this instead of CAPACITY_CURRENT */
case CAPACITY_UNFORMATTED:
- if (!test_bit(IDEFLOPPY_CLIK_DRIVE, &floppy->flags))
- /*
+ if (!(floppy->flags & IDEFLOPPY_FLAG_CLIK_DRIVE))
+ /*
* If it is not a clik drive, break out
* (maintains previous driver behaviour)
*/
break;
}
debug_log("Descriptor 0 Code: %d\n",
- pc.buffer[desc_start + 4] & 0x03);
+ pc.buf[desc_start + 4] & 0x03);
}
/* Clik! disk does not support get_flexible_disk_page */
- if (!test_bit(IDEFLOPPY_CLIK_DRIVE, &floppy->flags))
+ if (!(floppy->flags & IDEFLOPPY_FLAG_CLIK_DRIVE))
(void) ide_floppy_get_flexible_disk_page(drive);
set_capacity(floppy->disk, floppy->blocks * floppy->bs_factor);
static int ide_floppy_get_format_capacities(ide_drive_t *drive, int __user *arg)
{
- idefloppy_pc_t pc;
+ struct ide_atapi_pc pc;
u8 header_len, desc_cnt;
int i, blocks, length, u_array_size, u_index;
int __user *argp;
printk(KERN_ERR "ide-floppy: Can't get floppy parameters\n");
return (-EIO);
}
- header_len = pc.buffer[3];
+ header_len = pc.buf[3];
desc_cnt = header_len / 8; /* capacity descriptor of 8 bytes */
u_index = 0;
if (u_index >= u_array_size)
break; /* User-supplied buffer too small */
- blocks = be32_to_cpu(*(u32 *)&pc.buffer[desc_start]);
- length = be16_to_cpu(*(u16 *)&pc.buffer[desc_start + 6]);
+ blocks = be32_to_cpu(*(u32 *)&pc.buf[desc_start]);
+ length = be16_to_cpu(*(u16 *)&pc.buf[desc_start + 6]);
if (put_user(blocks, argp))
return(-EFAULT);
}
/*
-** Get ATAPI_FORMAT_UNIT progress indication.
-**
-** Userland gives a pointer to an int. The int is set to a progress
-** indicator 0-65536, with 65536=100%.
-**
-** If the drive does not support format progress indication, we just check
-** the dsc bit, and return either 0 or 65536.
-*/
+ * Get ATAPI_FORMAT_UNIT progress indication.
+ *
+ * Userland gives a pointer to an int. The int is set to a progress
+ * indicator 0-65536, with 65536=100%.
+ *
+ * If the drive does not support format progress indication, we just check
+ * the dsc bit, and return either 0 or 65536.
+ */
static int idefloppy_get_format_progress(ide_drive_t *drive, int __user *arg)
{
idefloppy_floppy_t *floppy = drive->driver_data;
- idefloppy_pc_t pc;
+ struct ide_atapi_pc pc;
int progress_indication = 0x10000;
if (floppy->srfp) {
idefloppy_create_request_sense_cmd(&pc);
- if (idefloppy_queue_pc_tail(drive, &pc)) {
+ if (idefloppy_queue_pc_tail(drive, &pc))
return (-EIO);
- }
if (floppy->sense_key == 2 &&
floppy->asc == 4 &&
- floppy->ascq == 4) {
+ floppy->ascq == 4)
progress_indication = floppy->progress_indication;
- }
- /* Else assume format_unit has finished, and we're
- ** at 0x10000 */
+
+ /* Else assume format_unit has finished, and we're at 0x10000 */
} else {
unsigned long flags;
u8 stat;
local_irq_save(flags);
- stat = drive->hwif->INB(IDE_STATUS_REG);
+ stat = ide_read_status(drive);
local_irq_restore(flags);
progress_indication = ((stat & SEEK_STAT) == 0) ? 0 : 0x10000;
return (0);
}
-/*
- * Return the current floppy capacity.
- */
-static sector_t idefloppy_capacity (ide_drive_t *drive)
+static sector_t idefloppy_capacity(ide_drive_t *drive)
{
idefloppy_floppy_t *floppy = drive->driver_data;
unsigned long capacity = floppy->blocks * floppy->bs_factor;
*/
static int idefloppy_identify_device(ide_drive_t *drive, struct hd_driveid *id)
{
- struct idefloppy_id_gcw gcw;
+ u8 gcw[2];
+ u8 device_type, protocol, removable, drq_type, packet_size;
*((u16 *) &gcw) = id->config;
+ device_type = gcw[1] & 0x1F;
+ removable = (gcw[0] & 0x80) >> 7;
+ protocol = (gcw[1] & 0xC0) >> 6;
+ drq_type = (gcw[0] & 0x60) >> 5;
+ packet_size = gcw[0] & 0x03;
+
#ifdef CONFIG_PPC
/* kludge for Apple PowerBook internal zip */
- if ((gcw.device_type == 5) &&
- !strstr(id->model, "CD-ROM") &&
- strstr(id->model, "ZIP"))
- gcw.device_type = 0;
+ if (device_type == 5 &&
+ !strstr(id->model, "CD-ROM") && strstr(id->model, "ZIP"))
+ device_type = 0;
#endif
- if (gcw.protocol != 2)
+ if (protocol != 2)
printk(KERN_ERR "ide-floppy: Protocol (0x%02x) is not ATAPI\n",
- gcw.protocol);
- else if (gcw.device_type != 0)
+ protocol);
+ else if (device_type != 0)
printk(KERN_ERR "ide-floppy: Device type (0x%02x) is not set "
- "to floppy\n", gcw.device_type);
- else if (!gcw.removable)
+ "to floppy\n", device_type);
+ else if (!removable)
printk(KERN_ERR "ide-floppy: The removable flag is not set\n");
- else if (gcw.drq_type == 3) {
+ else if (drq_type == 3)
printk(KERN_ERR "ide-floppy: Sorry, DRQ type (0x%02x) not "
- "supported\n", gcw.drq_type);
- } else if (gcw.packet_size != 0) {
+ "supported\n", drq_type);
+ else if (packet_size != 0)
printk(KERN_ERR "ide-floppy: Packet size (0x%02x) is not 12 "
- "bytes long\n", gcw.packet_size);
- } else
+ "bytes\n", packet_size);
+ else
return 1;
return 0;
}
{
idefloppy_floppy_t *floppy = drive->driver_data;
-/*
- * drive setting name read/write data type min max mul_factor div_factor data pointer set function
- */
- ide_add_setting(drive, "bios_cyl", SETTING_RW, TYPE_INT, 0, 1023, 1, 1, &drive->bios_cyl, NULL);
- ide_add_setting(drive, "bios_head", SETTING_RW, TYPE_BYTE, 0, 255, 1, 1, &drive->bios_head, NULL);
- ide_add_setting(drive, "bios_sect", SETTING_RW, TYPE_BYTE, 0, 63, 1, 1, &drive->bios_sect, NULL);
- ide_add_setting(drive, "ticks", SETTING_RW, TYPE_BYTE, 0, 255, 1, 1, &floppy->ticks, NULL);
+ ide_add_setting(drive, "bios_cyl", SETTING_RW, TYPE_INT, 0, 1023, 1, 1,
+ &drive->bios_cyl, NULL);
+ ide_add_setting(drive, "bios_head", SETTING_RW, TYPE_BYTE, 0, 255, 1, 1,
+ &drive->bios_head, NULL);
+ ide_add_setting(drive, "bios_sect", SETTING_RW, TYPE_BYTE, 0, 63, 1, 1,
+ &drive->bios_sect, NULL);
+ ide_add_setting(drive, "ticks", SETTING_RW, TYPE_BYTE, 0, 255, 1, 1,
+ &floppy->ticks, NULL);
}
#else
static inline void idefloppy_add_settings(ide_drive_t *drive) { ; }
#endif
-/*
- * Driver initialization.
- */
-static void idefloppy_setup (ide_drive_t *drive, idefloppy_floppy_t *floppy)
+static void idefloppy_setup(ide_drive_t *drive, idefloppy_floppy_t *floppy)
{
- struct idefloppy_id_gcw gcw;
+ u8 gcw[2];
*((u16 *) &gcw) = drive->id->config;
floppy->pc = floppy->pc_stack;
- if (gcw.drq_type == 1)
- set_bit(IDEFLOPPY_DRQ_INTERRUPT, &floppy->flags);
+
+ if (((gcw[0] & 0x60) >> 5) == 1)
+ floppy->flags |= IDEFLOPPY_FLAG_DRQ_INTERRUPT;
/*
- * We used to check revisions here. At this point however
- * I'm giving up. Just assume they are all broken, its easier.
+ * We used to check revisions here. At this point however I'm giving up.
+ * Just assume they are all broken, its easier.
*
- * The actual reason for the workarounds was likely
- * a driver bug after all rather than a firmware bug,
- * and the workaround below used to hide it. It should
- * be fixed as of version 1.9, but to be on the safe side
- * we'll leave the limitation below for the 2.2.x tree.
+ * The actual reason for the workarounds was likely a driver bug after
+ * all rather than a firmware bug, and the workaround below used to hide
+ * it. It should be fixed as of version 1.9, but to be on the safe side
+ * we'll leave the limitation below for the 2.2.x tree.
*/
-
if (!strncmp(drive->id->model, "IOMEGA ZIP 100 ATAPI", 20)) {
- set_bit(IDEFLOPPY_ZIP_DRIVE, &floppy->flags);
+ floppy->flags |= IDEFLOPPY_FLAG_ZIP_DRIVE;
/* This value will be visible in the /proc/ide/hdx/settings */
floppy->ticks = IDEFLOPPY_TICKS_DELAY;
blk_queue_max_sectors(drive->queue, 64);
}
/*
- * Guess what? The IOMEGA Clik! drive also needs the
- * above fix. It makes nasty clicking noises without
- * it, so please don't remove this.
- */
+ * Guess what? The IOMEGA Clik! drive also needs the above fix. It makes
+ * nasty clicking noises without it, so please don't remove this.
+ */
if (strncmp(drive->id->model, "IOMEGA Clik!", 11) == 0) {
blk_queue_max_sectors(drive->queue, 64);
- set_bit(IDEFLOPPY_CLIK_DRIVE, &floppy->flags);
+ floppy->flags |= IDEFLOPPY_FLAG_CLIK_DRIVE;
}
-
(void) ide_floppy_get_capacity(drive);
idefloppy_add_settings(drive);
}
}
#ifdef CONFIG_IDE_PROC_FS
-static int proc_idefloppy_read_capacity
- (char *page, char **start, off_t off, int count, int *eof, void *data)
+static int proc_idefloppy_read_capacity(char *page, char **start, off_t off,
+ int count, int *eof, void *data)
{
ide_drive_t*drive = (ide_drive_t *)data;
int len;
- len = sprintf(page,"%llu\n", (long long)idefloppy_capacity(drive));
- PROC_IDE_READ_RETURN(page,start,off,count,eof,len);
+ len = sprintf(page, "%llu\n", (long long)idefloppy_capacity(drive));
+ PROC_IDE_READ_RETURN(page, start, off, count, eof, len);
}
static ide_proc_entry_t idefloppy_proc[] = {
- { "capacity", S_IFREG|S_IRUGO, proc_idefloppy_read_capacity, NULL },
- { "geometry", S_IFREG|S_IRUGO, proc_ide_read_geometry, NULL },
+ { "capacity", S_IFREG|S_IRUGO, proc_idefloppy_read_capacity, NULL },
+ { "geometry", S_IFREG|S_IRUGO, proc_ide_read_geometry, NULL },
{ NULL, 0, NULL, NULL }
};
#endif /* CONFIG_IDE_PROC_FS */
.media = ide_floppy,
.supports_dsc_overlap = 0,
.do_request = idefloppy_do_request,
- .end_request = idefloppy_do_end_request,
+ .end_request = idefloppy_end_request,
.error = __ide_error,
.abort = __ide_abort,
#ifdef CONFIG_IDE_PROC_FS
struct gendisk *disk = inode->i_bdev->bd_disk;
struct ide_floppy_obj *floppy;
ide_drive_t *drive;
- idefloppy_pc_t pc;
+ struct ide_atapi_pc pc;
int ret = 0;
debug_log("Reached %s\n", __func__);
- if (!(floppy = ide_floppy_get(disk)))
+ floppy = ide_floppy_get(disk);
+ if (!floppy)
return -ENXIO;
drive = floppy->drive;
floppy->openers++;
if (floppy->openers == 1) {
- clear_bit(IDEFLOPPY_FORMAT_IN_PROGRESS, &floppy->flags);
+ floppy->flags &= ~IDEFLOPPY_FLAG_FORMAT_IN_PROGRESS;
/* Just in case */
idefloppy_create_test_unit_ready_cmd(&pc);
if (ide_floppy_get_capacity(drive)
&& (filp->f_flags & O_NDELAY) == 0
/*
- ** Allow O_NDELAY to open a drive without a disk, or with
- ** an unreadable disk, so that we can get the format
- ** capacity of the drive or begin the format - Sam
- */
+ * Allow O_NDELAY to open a drive without a disk, or with an
+ * unreadable disk, so that we can get the format capacity
+ * of the drive or begin the format - Sam
+ */
) {
ret = -EIO;
goto out_put_floppy;
ret = -EROFS;
goto out_put_floppy;
}
- set_bit(IDEFLOPPY_MEDIA_CHANGED, &floppy->flags);
+ floppy->flags |= IDEFLOPPY_FLAG_MEDIA_CHANGED;
/* IOMEGA Clik! drives do not support lock/unlock commands */
- if (!test_bit(IDEFLOPPY_CLIK_DRIVE, &floppy->flags)) {
+ if (!(floppy->flags & IDEFLOPPY_FLAG_CLIK_DRIVE)) {
idefloppy_create_prevent_cmd(&pc, 1);
(void) idefloppy_queue_pc_tail(drive, &pc);
}
check_disk_change(inode->i_bdev);
- } else if (test_bit(IDEFLOPPY_FORMAT_IN_PROGRESS, &floppy->flags)) {
+ } else if (floppy->flags & IDEFLOPPY_FLAG_FORMAT_IN_PROGRESS) {
ret = -EBUSY;
goto out_put_floppy;
}
struct gendisk *disk = inode->i_bdev->bd_disk;
struct ide_floppy_obj *floppy = ide_floppy_g(disk);
ide_drive_t *drive = floppy->drive;
- idefloppy_pc_t pc;
+ struct ide_atapi_pc pc;
debug_log("Reached %s\n", __func__);
if (floppy->openers == 1) {
/* IOMEGA Clik! drives do not support lock/unlock commands */
- if (!test_bit(IDEFLOPPY_CLIK_DRIVE, &floppy->flags)) {
+ if (!(floppy->flags & IDEFLOPPY_FLAG_CLIK_DRIVE)) {
idefloppy_create_prevent_cmd(&pc, 0);
(void) idefloppy_queue_pc_tail(drive, &pc);
}
- clear_bit(IDEFLOPPY_FORMAT_IN_PROGRESS, &floppy->flags);
+ floppy->flags &= ~IDEFLOPPY_FLAG_FORMAT_IN_PROGRESS;
}
floppy->openers--;
return 0;
}
-static int ide_floppy_lockdoor(idefloppy_floppy_t *floppy, idefloppy_pc_t *pc,
- unsigned long arg, unsigned int cmd)
+static int ide_floppy_lockdoor(idefloppy_floppy_t *floppy,
+ struct ide_atapi_pc *pc, unsigned long arg, unsigned int cmd)
{
if (floppy->openers > 1)
return -EBUSY;
/* The IOMEGA Clik! Drive doesn't support this command -
* no room for an eject mechanism */
- if (!test_bit(IDEFLOPPY_CLIK_DRIVE, &floppy->flags)) {
+ if (!(floppy->flags & IDEFLOPPY_FLAG_CLIK_DRIVE)) {
int prevent = arg ? 1 : 0;
if (cmd == CDROMEJECT)
int __user *arg)
{
int blocks, length, flags, err = 0;
- idefloppy_pc_t pc;
+ struct ide_atapi_pc pc;
if (floppy->openers > 1) {
/* Don't format if someone is using the disk */
- clear_bit(IDEFLOPPY_FORMAT_IN_PROGRESS, &floppy->flags);
+ floppy->flags &= ~IDEFLOPPY_FLAG_FORMAT_IN_PROGRESS;
return -EBUSY;
}
- set_bit(IDEFLOPPY_FORMAT_IN_PROGRESS, &floppy->flags);
+ floppy->flags |= IDEFLOPPY_FLAG_FORMAT_IN_PROGRESS;
/*
* Send ATAPI_FORMAT_UNIT to the drive.
out:
if (err)
- clear_bit(IDEFLOPPY_FORMAT_IN_PROGRESS, &floppy->flags);
+ floppy->flags &= ~IDEFLOPPY_FLAG_FORMAT_IN_PROGRESS;
return err;
}
struct block_device *bdev = inode->i_bdev;
struct ide_floppy_obj *floppy = ide_floppy_g(bdev->bd_disk);
ide_drive_t *drive = floppy->drive;
- idefloppy_pc_t pc;
+ struct ide_atapi_pc pc;
void __user *argp = (void __user *)arg;
int err;
{
struct ide_floppy_obj *floppy = ide_floppy_g(disk);
ide_drive_t *drive = floppy->drive;
+ int ret;
/* do not scan partitions twice if this is a removable device */
if (drive->attach) {
drive->attach = 0;
return 0;
}
- return test_and_clear_bit(IDEFLOPPY_MEDIA_CHANGED, &floppy->flags);
+ ret = !!(floppy->flags & IDEFLOPPY_FLAG_MEDIA_CHANGED);
+ floppy->flags &= ~IDEFLOPPY_FLAG_MEDIA_CHANGED;
+ return ret;
}
static int idefloppy_revalidate_disk(struct gendisk *disk)
}
static struct block_device_operations idefloppy_ops = {
- .owner = THIS_MODULE,
- .open = idefloppy_open,
- .release = idefloppy_release,
- .ioctl = idefloppy_ioctl,
- .getgeo = idefloppy_getgeo,
- .media_changed = idefloppy_media_changed,
- .revalidate_disk= idefloppy_revalidate_disk
+ .owner = THIS_MODULE,
+ .open = idefloppy_open,
+ .release = idefloppy_release,
+ .ioctl = idefloppy_ioctl,
+ .getgeo = idefloppy_getgeo,
+ .media_changed = idefloppy_media_changed,
+ .revalidate_disk = idefloppy_revalidate_disk
};
static int ide_floppy_probe(ide_drive_t *drive)
goto failed;
if (drive->media != ide_floppy)
goto failed;
- if (!idefloppy_identify_device (drive, drive->id)) {
- printk (KERN_ERR "ide-floppy: %s: not supported by this version of ide-floppy\n", drive->name);
+ if (!idefloppy_identify_device(drive, drive->id)) {
+ printk(KERN_ERR "ide-floppy: %s: not supported by this version"
+ " of ide-floppy\n", drive->name);
goto failed;
}
if (drive->scsi) {
- printk("ide-floppy: passing drive %s to ide-scsi emulation.\n", drive->name);
+ printk(KERN_INFO "ide-floppy: passing drive %s to ide-scsi"
+ " emulation.\n", drive->name);
goto failed;
}
- if ((floppy = kzalloc(sizeof (idefloppy_floppy_t), GFP_KERNEL)) == NULL) {
- printk (KERN_ERR "ide-floppy: %s: Can't allocate a floppy structure\n", drive->name);
+ floppy = kzalloc(sizeof(idefloppy_floppy_t), GFP_KERNEL);
+ if (!floppy) {
+ printk(KERN_ERR "ide-floppy: %s: Can't allocate a floppy"
+ " structure\n", drive->name);
goto failed;
}
drive->driver_data = floppy;
- idefloppy_setup (drive, floppy);
+ idefloppy_setup(drive, floppy);
g->minors = 1 << PARTN_BITS;
g->driverfs_dev = &drive->gendev;
return -ENODEV;
}
-MODULE_DESCRIPTION("ATAPI FLOPPY Driver");
-
-static void __exit idefloppy_exit (void)
+static void __exit idefloppy_exit(void)
{
driver_unregister(&idefloppy_driver.gen_driver);
}
module_init(idefloppy_init);
module_exit(idefloppy_exit);
MODULE_LICENSE("GPL");
+MODULE_DESCRIPTION("ATAPI FLOPPY Driver");
+
projects / linux-2.6-omap-h63xx.git / blobdiff