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SubjectPC-9800 patch for 2.5.47-ac4: Update floppy98.c
This patch updates floppy driver for PC-9800.
Synchronized with latest drivers/block/floppy.c.

diffstat:
drivers/block/floppy98.c | 57 ++++++++++++++++++++++++++++-------------------
1 files changed, 34 insertions(+), 23 deletions(-)
--
Osamu Tomita
tomita@cinet.co.jp--- linux-2.5.47-ac1/drivers/block/floppy98.c.ac1 Wed Nov 13 09:25:33 2002
+++ linux-2.5.47-ac1/drivers/block/floppy98.c Wed Nov 13 10:28:40 2002
@@ -176,7 +176,15 @@


#include <linux/fd.h>
+#define FLOPPY98_MOTOR_MASK 0x08
+
+#define FDPATCHES
#include <linux/hdreg.h>
+#define FD98_STATUS (0 + FD_IOPORT )
+#define FD98_DATA (2 + FD_IOPORT )
+#define FD_MODE (4 + FD_IOPORT )
+#define FD_MODE_CHANGE 0xbe
+#define FD_EMODE_CHANGE 0x4be

#include <linux/errno.h>
#include <linux/slab.h>
@@ -585,7 +593,7 @@
static void floppy_start(void);
static void process_fd_request(void);
static void recalibrate_floppy(void);
-static void floppy_shutdown(void);
+static void floppy_shutdown(unsigned long);

static int floppy_grab_irq_and_dma(void);
static void floppy_release_irq_and_dma(void);
@@ -659,7 +667,7 @@
}

typedef void (*timeout_fn)(unsigned long);
-static struct timer_list fd_timeout ={ function: (timeout_fn) floppy_shutdown };
+static struct timer_list fd_timeout = TIMER_INITIALIZER(floppy_shutdown, 0, 0);

static const char *timeout_message;

@@ -784,10 +792,10 @@
fd_outb(newdor, FD_MODE);
}

- if (newdor & FLOPPY_MOTOR_MASK)
+ if (newdor & FLOPPY98_MOTOR_MASK)
floppy_grab_irq_and_dma();

- if (olddor & FLOPPY_MOTOR_MASK)
+ if (olddor & FLOPPY98_MOTOR_MASK)
floppy_release_irq_and_dma();

return olddor;
@@ -828,7 +836,7 @@
if (FDCS->rawcmd == 2)
reset_fdc_info(1);

- if (fd_inb(FD_STATUS) != STATUS_READY)
+ if (fd_inb(FD98_STATUS) != STATUS_READY)
FDCS->reset = 1;
}

@@ -991,7 +999,7 @@
schedule_work(&floppy_work);
}

-static struct timer_list fd_timer;
+static struct timer_list fd_timer = TIMER_INITIALIZER(NULL, 0, 0);

static void cancel_activity(void)
{
@@ -1146,7 +1154,7 @@
if (FDCS->reset)
return -1;
for (counter = 0; counter < READY_DELAY; counter++) {
- status = fd_inb(FD_STATUS);
+ status = fd_inb(FD98_STATUS);
if (status & STATUS_READY)
return status;
}
@@ -1167,7 +1175,7 @@
if ((status = wait_til_ready()) < 0)
return -1;
if ((status & (STATUS_READY|STATUS_DIR|STATUS_DMA)) == STATUS_READY){
- fd_outb(byte,FD_DATA);
+ fd_outb(byte,FD98_DATA);
#ifdef FLOPPY_SANITY_CHECK
output_log[output_log_pos].data = byte;
output_log[output_log_pos].status = status;
@@ -1203,7 +1211,7 @@
return i;
}
if (status == (STATUS_DIR|STATUS_READY|STATUS_BUSY))
- reply_buffer[i] = fd_inb(FD_DATA);
+ reply_buffer[i] = fd_inb(FD98_DATA);
else
break;
}
@@ -1793,7 +1801,7 @@
printk("\n");
#endif

- printk("status=%x\n", fd_inb(FD_STATUS));
+ printk("status=%x\n", fd_inb(FD98_STATUS));
printk("fdc_busy=%lu\n", fdc_busy);
if (do_floppy)
printk("do_floppy=%p\n", do_floppy);
@@ -1812,7 +1820,7 @@
printk("\n");
}

-static void floppy_shutdown(void)
+static void floppy_shutdown(unsigned long data)
{
unsigned long flags;

@@ -2198,15 +2206,16 @@
DRS->track = NEED_2_RECAL;
}

-static void set_floppy(kdev_t device)
+static void set_floppy(int drive)
{
- if (TYPE(device)) {
+ int type = ITYPE(UDRS->fd_device);
+ if (type) {
auto_detect_mode = 0;
- _floppy = TYPE(device) + floppy_type;
+ _floppy = floppy_type + type;
} else if (auto_detect_mode == 0) {
auto_detect_mode = 1;
retry_auto_detect = 0;
- _floppy = current_type[DRIVE(device)];
+ _floppy = current_type[drive];
}
#ifdef PC9800_DEBUG_FLOPPY2
printk("set_floppy: set floppy type=%d\n", (int)(_floppy - floppy_type));
@@ -2316,7 +2325,7 @@
int drive=DRIVE(device);

LOCK_FDC(drive,1);
- set_floppy(device);
+ set_floppy(drive);
if (!_floppy ||
_floppy->track > DP->tracks ||
tmp_format_req->track >= _floppy->track ||
@@ -2344,7 +2353,7 @@
{
if (end_that_request_first(req, uptodate, current_count_sectors))
return;
- add_blkdev_randomness(MAJOR_NR);
+ add_disk_randomness(req->rq_disk);
floppy_off((int)req->rq_disk->private_data);
blkdev_dequeue_request(req);
end_that_request_last(req);
@@ -2678,7 +2687,7 @@
return 0;
}

- set_fdc(DRIVE(current_req->rq_dev));
+ set_fdc((int)current_req->rq_disk->private_data);

raw_cmd = &default_raw_cmd;
raw_cmd->flags = FD_RAW_SPIN | FD_RAW_NEED_DISK | FD_RAW_NEED_DISK |
@@ -2949,7 +2958,7 @@
static void redo_fd_request(void)
{
#define REPEAT {request_done(0); continue; }
- kdev_t device;
+ int drive;
int tmp;

lastredo = jiffies;
@@ -2966,11 +2975,11 @@
}
current_req = req;
}
- device = current_req->rq_dev;
- set_fdc(DRIVE(device));
+ drive = (int)current_req->rq_disk->private_data;
+ set_fdc(drive);
reschedule_timeout(current_reqD, "redo fd request", 0);

- set_floppy(device);
+ set_floppy(drive);
raw_cmd = & default_raw_cmd;
raw_cmd->flags = 0;
if (start_motor(redo_fd_request)) return;
@@ -3665,7 +3674,7 @@
if (type)
return -EINVAL;
LOCK_FDC(drive,1);
- set_floppy(device);
+ set_floppy(drive);
CALL(i = raw_cmd_ioctl(cmd,(void *) param));
process_fd_request();
return i;
@@ -4251,6 +4260,7 @@
int err;

raw_cmd = NULL;
+ FDC1 = 0x90;

for (i=0; i<N_DRIVE; i++) {
disks[i] = alloc_disk(1);
@@ -4372,6 +4382,7 @@
}

for (drive = 0; drive < N_DRIVE; drive++) {
+ init_timer(&motor_off_timer[drive]);
motor_off_timer[drive].data = drive;
motor_off_timer[drive].function = motor_off_callback;
if (!(allowed_drive_mask & (1 << drive)))
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