* Dan Morrison, IBM Corporation (dmorriso@cse.buffalo.edu)
*/
-#include <linux/config.h>
#include <linux/module.h>
#include <linux/types.h>
#include <linux/kdev_t.h>
#include <linux/tty.h>
+#include <linux/tty_flip.h>
#include <linux/vt_kern.h>
#include <linux/init.h>
#include <linux/console.h>
#include <linux/interrupt.h>
+#include <linux/err.h>
#include <linux/slab.h>
#include <linux/bootmem.h>
/* array of 3215 devices structures */
static struct raw3215_info *raw3215[NR_3215];
/* spinlock to protect the raw3215 array */
-static spinlock_t raw3215_device_lock = SPIN_LOCK_UNLOCKED;
+static DEFINE_SPINLOCK(raw3215_device_lock);
/* list of free request structures */
static struct raw3215_req *raw3215_freelist;
/* spinlock to protect free list */
struct raw3215_info *raw = (struct raw3215_info *) __data;
unsigned long flags;
- spin_lock_irqsave(raw->lock, flags);
+ spin_lock_irqsave(get_ccwdev_lock(raw->cdev), flags);
if (raw->flags & RAW3215_TIMER_RUNS) {
del_timer(&raw->timer);
raw->flags &= ~RAW3215_TIMER_RUNS;
raw3215_mk_write_req(raw);
raw3215_start_io(raw);
}
- spin_unlock_irqrestore(raw->lock, flags);
+ spin_unlock_irqrestore(get_ccwdev_lock(raw->cdev), flags);
}
/*
unsigned long flags;
raw = (struct raw3215_info *) data;
- spin_lock_irqsave(raw->lock, flags);
+ spin_lock_irqsave(get_ccwdev_lock(raw->cdev), flags);
raw3215_mk_write_req(raw);
raw3215_try_io(raw);
- spin_unlock_irqrestore(raw->lock, flags);
+ spin_unlock_irqrestore(get_ccwdev_lock(raw->cdev), flags);
/* Check for pending message from raw3215_irq */
if (raw->message != NULL) {
printk(raw->message, raw->msg_dstat, raw->msg_cstat);
if (count > slen)
count = slen;
} else
- if (count >= TTY_FLIPBUF_SIZE - tty->flip.count)
- count = TTY_FLIPBUF_SIZE - tty->flip.count - 1;
EBCASC(raw->inbuf, count);
cchar = ctrlchar_handle(raw->inbuf, count, tty);
switch (cchar & CTRLCHAR_MASK) {
break;
case CTRLCHAR_CTRL:
- tty->flip.count++;
- *tty->flip.flag_buf_ptr++ = TTY_NORMAL;
- *tty->flip.char_buf_ptr++ = cchar;
+ tty_insert_flip_char(tty, cchar, TTY_NORMAL);
tty_flip_buffer_push(raw->tty);
break;
case CTRLCHAR_NONE:
- memcpy(tty->flip.char_buf_ptr,
- raw->inbuf, count);
if (count < 2 ||
- (strncmp(raw->inbuf+count-2, "^n", 2) &&
- strncmp(raw->inbuf+count-2, "\252n", 2)) ) {
- /* don't add the auto \n */
- tty->flip.char_buf_ptr[count] = '\n';
- memset(tty->flip.flag_buf_ptr,
- TTY_NORMAL, count + 1);
+ (strncmp(raw->inbuf+count-2, "\252n", 2) &&
+ strncmp(raw->inbuf+count-2, "^n", 2)) ) {
+ /* add the auto \n */
+ raw->inbuf[count] = '\n';
count++;
} else
- count-=2;
- tty->flip.char_buf_ptr += count;
- tty->flip.flag_buf_ptr += count;
- tty->flip.count += count;
+ count -= 2;
+ tty_insert_flip_string(tty, raw->inbuf, count);
tty_flip_buffer_push(raw->tty);
break;
}
if (RAW3215_BUFFER_SIZE - raw->count >= length)
break;
/* there might be another cpu waiting for the lock */
- spin_unlock(raw->lock);
+ spin_unlock(get_ccwdev_lock(raw->cdev));
udelay(100);
- spin_lock(raw->lock);
+ spin_lock(get_ccwdev_lock(raw->cdev));
}
}
int c, count;
while (length > 0) {
- spin_lock_irqsave(raw->lock, flags);
+ spin_lock_irqsave(get_ccwdev_lock(raw->cdev), flags);
count = (length > RAW3215_BUFFER_SIZE) ?
RAW3215_BUFFER_SIZE : length;
length -= count;
/* start or queue request */
raw3215_try_io(raw);
}
- spin_unlock_irqrestore(raw->lock, flags);
+ spin_unlock_irqrestore(get_ccwdev_lock(raw->cdev), flags);
}
}
unsigned long flags;
unsigned int length, i;
- spin_lock_irqsave(raw->lock, flags);
+ spin_lock_irqsave(get_ccwdev_lock(raw->cdev), flags);
if (ch == '\t') {
length = TAB_STOP_SIZE - (raw->line_pos%TAB_STOP_SIZE);
raw->line_pos += length;
/* start or queue request */
raw3215_try_io(raw);
}
- spin_unlock_irqrestore(raw->lock, flags);
+ spin_unlock_irqrestore(get_ccwdev_lock(raw->cdev), flags);
}
/*
{
unsigned long flags;
- spin_lock_irqsave(raw->lock, flags);
+ spin_lock_irqsave(get_ccwdev_lock(raw->cdev), flags);
if (raw->count > 0) {
raw->flags |= RAW3215_FLUSHING;
raw3215_try_io(raw);
raw->flags &= ~RAW3215_FLUSHING;
}
- spin_unlock_irqrestore(raw->lock, flags);
+ spin_unlock_irqrestore(get_ccwdev_lock(raw->cdev), flags);
}
/*
return 0;
raw->line_pos = 0;
raw->flags |= RAW3215_ACTIVE;
- spin_lock_irqsave(raw->lock, flags);
+ spin_lock_irqsave(get_ccwdev_lock(raw->cdev), flags);
raw3215_try_io(raw);
- spin_unlock_irqrestore(raw->lock, flags);
+ spin_unlock_irqrestore(get_ccwdev_lock(raw->cdev), flags);
return 0;
}
if (!(raw->flags & RAW3215_ACTIVE) || (raw->flags & RAW3215_FIXED))
return;
/* Wait for outstanding requests, then free irq */
- spin_lock_irqsave(raw->lock, flags);
+ spin_lock_irqsave(get_ccwdev_lock(raw->cdev), flags);
if ((raw->flags & RAW3215_WORKING) ||
raw->queued_write != NULL ||
raw->queued_read != NULL) {
raw->flags |= RAW3215_CLOSING;
add_wait_queue(&raw->empty_wait, &wait);
set_current_state(TASK_INTERRUPTIBLE);
- spin_unlock_irqrestore(raw->lock, flags);
+ spin_unlock_irqrestore(get_ccwdev_lock(raw->cdev), flags);
schedule();
- spin_lock_irqsave(raw->lock, flags);
+ spin_lock_irqsave(get_ccwdev_lock(raw->cdev), flags);
remove_wait_queue(&raw->empty_wait, &wait);
set_current_state(TASK_RUNNING);
raw->flags &= ~(RAW3215_ACTIVE | RAW3215_CLOSING);
}
- spin_unlock_irqrestore(raw->lock, flags);
+ spin_unlock_irqrestore(get_ccwdev_lock(raw->cdev), flags);
}
static int
}
raw->cdev = cdev;
- raw->lock = get_ccwdev_lock(cdev);
raw->inbuf = (char *) raw + sizeof(struct raw3215_info);
memset(raw, 0, sizeof(struct raw3215_info));
- raw->buffer = (char *) kmalloc(RAW3215_BUFFER_SIZE,
+ raw->buffer = kmalloc(RAW3215_BUFFER_SIZE,
GFP_KERNEL|GFP_DMA);
if (raw->buffer == NULL) {
spin_lock(&raw3215_device_lock);
- raw3215[line] = 0;
+ raw3215[line] = NULL;
spin_unlock(&raw3215_device_lock);
kfree(raw);
return -ENOMEM;
raw = cdev->dev.driver_data;
if (raw) {
cdev->dev.driver_data = NULL;
- if (raw->buffer)
- kfree(raw->buffer);
+ kfree(raw->buffer);
kfree(raw);
}
}
unsigned long flags;
raw = raw3215[0]; /* console 3215 is the first one */
- spin_lock_irqsave(raw->lock, flags);
+ spin_lock_irqsave(get_ccwdev_lock(raw->cdev), flags);
raw3215_make_room(raw, RAW3215_BUFFER_SIZE);
- spin_unlock_irqrestore(raw->lock, flags);
+ spin_unlock_irqrestore(get_ccwdev_lock(raw->cdev), flags);
}
static int __init
/* Set the console mode for VM */
if (MACHINE_IS_VM) {
- cpcmd("TERM CONMODE 3215", NULL, 0);
- cpcmd("TERM AUTOCR OFF", NULL, 0);
+ cpcmd("TERM CONMODE 3215", NULL, 0, NULL);
+ cpcmd("TERM AUTOCR OFF", NULL, 0, NULL);
}
/* allocate 3215 request structures */
}
cdev = ccw_device_probe_console();
- if (!cdev)
+ if (IS_ERR(cdev))
return -ENODEV;
raw3215[0] = raw = (struct raw3215_info *)
raw->buffer = (char *) alloc_bootmem_low(RAW3215_BUFFER_SIZE);
raw->inbuf = (char *) alloc_bootmem_low(RAW3215_INBUF_SIZE);
raw->cdev = cdev;
- raw->lock = get_ccwdev_lock(cdev);
cdev->dev.driver_data = raw;
cdev->handler = raw3215_irq;
raw = (struct raw3215_info *) tty->driver_data;
if (raw->flags & RAW3215_THROTTLED) {
- spin_lock_irqsave(raw->lock, flags);
+ spin_lock_irqsave(get_ccwdev_lock(raw->cdev), flags);
raw->flags &= ~RAW3215_THROTTLED;
raw3215_try_io(raw);
- spin_unlock_irqrestore(raw->lock, flags);
+ spin_unlock_irqrestore(get_ccwdev_lock(raw->cdev), flags);
}
}
raw = (struct raw3215_info *) tty->driver_data;
if (raw->flags & RAW3215_STOPPED) {
- spin_lock_irqsave(raw->lock, flags);
+ spin_lock_irqsave(get_ccwdev_lock(raw->cdev), flags);
raw->flags &= ~RAW3215_STOPPED;
raw3215_try_io(raw);
- spin_unlock_irqrestore(raw->lock, flags);
+ spin_unlock_irqrestore(get_ccwdev_lock(raw->cdev), flags);
}
}
-static struct tty_operations tty3215_ops = {
+static const struct tty_operations tty3215_ops = {
.open = tty3215_open,
.close = tty3215_close,
.write = tty3215_write,