Lines Matching refs:raw
143 static void raw3215_mk_read_req(struct raw3215_info *raw) in raw3215_mk_read_req() argument
149 req = raw->queued_read; in raw3215_mk_read_req()
154 req->info = raw; in raw3215_mk_read_req()
155 raw->queued_read = req; in raw3215_mk_read_req()
162 ccw->cda = (__u32) __pa(raw->inbuf); in raw3215_mk_read_req()
171 static void raw3215_mk_write_req(struct raw3215_info *raw) in raw3215_mk_write_req() argument
177 if (raw->count <= raw->written) in raw3215_mk_write_req()
180 req = raw->queued_write; in raw3215_mk_write_req()
185 req->info = raw; in raw3215_mk_write_req()
186 raw->queued_write = req; in raw3215_mk_write_req()
188 raw->written -= req->len; in raw3215_mk_write_req()
192 req->start = (raw->head - raw->count + raw->written) & in raw3215_mk_write_req()
201 while (lines < RAW3215_MAX_NEWLINE && ix != raw->head) { in raw3215_mk_write_req()
202 if (raw->buffer[ix] == 0x15) in raw3215_mk_write_req()
210 raw->written += len; in raw3215_mk_write_req()
213 req->delayable = (ix == raw->head) && (len < RAW3215_MIN_WRITE); in raw3215_mk_write_req()
222 (__u32) __pa(raw->buffer + ix); in raw3215_mk_write_req()
247 static void raw3215_start_io(struct raw3215_info *raw) in raw3215_start_io() argument
252 req = raw->queued_read; in raw3215_start_io()
254 !(raw->flags & (RAW3215_WORKING | RAW3215_THROTTLED))) { in raw3215_start_io()
256 raw->queued_read = NULL; in raw3215_start_io()
257 res = ccw_device_start(raw->cdev, req->ccws, in raw3215_start_io()
261 raw->queued_read = req; in raw3215_start_io()
263 raw->flags |= RAW3215_WORKING; in raw3215_start_io()
266 req = raw->queued_write; in raw3215_start_io()
268 !(raw->flags & (RAW3215_WORKING | RAW3215_STOPPED))) { in raw3215_start_io()
270 raw->queued_write = NULL; in raw3215_start_io()
271 res = ccw_device_start(raw->cdev, req->ccws, in raw3215_start_io()
275 raw->queued_write = req; in raw3215_start_io()
277 raw->flags |= RAW3215_WORKING; in raw3215_start_io()
287 struct raw3215_info *raw = from_timer(raw, t, timer); in raw3215_timeout() local
290 spin_lock_irqsave(get_ccwdev_lock(raw->cdev), flags); in raw3215_timeout()
291 raw->flags &= ~RAW3215_TIMER_RUNS; in raw3215_timeout()
292 if (!tty_port_suspended(&raw->port)) { in raw3215_timeout()
293 raw3215_mk_write_req(raw); in raw3215_timeout()
294 raw3215_start_io(raw); in raw3215_timeout()
295 if ((raw->queued_read || raw->queued_write) && in raw3215_timeout()
296 !(raw->flags & RAW3215_WORKING) && in raw3215_timeout()
297 !(raw->flags & RAW3215_TIMER_RUNS)) { in raw3215_timeout()
298 raw->timer.expires = RAW3215_TIMEOUT + jiffies; in raw3215_timeout()
299 add_timer(&raw->timer); in raw3215_timeout()
300 raw->flags |= RAW3215_TIMER_RUNS; in raw3215_timeout()
303 spin_unlock_irqrestore(get_ccwdev_lock(raw->cdev), flags); in raw3215_timeout()
312 static inline void raw3215_try_io(struct raw3215_info *raw) in raw3215_try_io() argument
314 if (!tty_port_initialized(&raw->port) || tty_port_suspended(&raw->port)) in raw3215_try_io()
316 if (raw->queued_read != NULL) in raw3215_try_io()
317 raw3215_start_io(raw); in raw3215_try_io()
318 else if (raw->queued_write != NULL) { in raw3215_try_io()
319 if ((raw->queued_write->delayable == 0) || in raw3215_try_io()
320 (raw->flags & RAW3215_FLUSHING)) { in raw3215_try_io()
322 raw3215_start_io(raw); in raw3215_try_io()
325 if ((raw->queued_read || raw->queued_write) && in raw3215_try_io()
326 !(raw->flags & RAW3215_WORKING) && in raw3215_try_io()
327 !(raw->flags & RAW3215_TIMER_RUNS)) { in raw3215_try_io()
328 raw->timer.expires = RAW3215_TIMEOUT + jiffies; in raw3215_try_io()
329 add_timer(&raw->timer); in raw3215_try_io()
330 raw->flags |= RAW3215_TIMER_RUNS; in raw3215_try_io()
339 struct raw3215_info *raw = (struct raw3215_info *) data; in raw3215_wakeup() local
342 tty = tty_port_tty_get(&raw->port); in raw3215_wakeup()
352 static void raw3215_next_io(struct raw3215_info *raw, struct tty_struct *tty) in raw3215_next_io() argument
354 raw3215_mk_write_req(raw); in raw3215_next_io()
355 raw3215_try_io(raw); in raw3215_next_io()
356 if (tty && RAW3215_BUFFER_SIZE - raw->count >= RAW3215_MIN_SPACE) in raw3215_next_io()
357 tasklet_schedule(&raw->tlet); in raw3215_next_io()
366 struct raw3215_info *raw; in raw3215_irq() local
372 raw = dev_get_drvdata(&cdev->dev); in raw3215_irq()
374 tty = tty_port_tty_get(&raw->port); in raw3215_irq()
378 raw3215_next_io(raw, tty); in raw3215_irq()
387 raw3215_mk_read_req(raw); in raw3215_irq()
388 raw3215_next_io(raw, tty); in raw3215_irq()
393 if ((raw = req->info) == NULL) in raw3215_irq()
404 if ((raw = req->info) == NULL) in raw3215_irq()
410 EBCASC(raw->inbuf, count); in raw3215_irq()
411 cchar = ctrlchar_handle(raw->inbuf, count, tty); in raw3215_irq()
417 tty_insert_flip_char(&raw->port, cchar, in raw3215_irq()
419 tty_flip_buffer_push(&raw->port); in raw3215_irq()
424 (strncmp(raw->inbuf+count-2, "\252n", 2) && in raw3215_irq()
425 strncmp(raw->inbuf+count-2, "^n", 2)) ) { in raw3215_irq()
427 raw->inbuf[count] = '\n'; in raw3215_irq()
431 tty_insert_flip_string(&raw->port, raw->inbuf, in raw3215_irq()
433 tty_flip_buffer_push(&raw->port); in raw3215_irq()
437 raw->count -= req->len; in raw3215_irq()
438 raw->written -= req->len; in raw3215_irq()
440 raw->flags &= ~RAW3215_WORKING; in raw3215_irq()
443 if (waitqueue_active(&raw->empty_wait) && in raw3215_irq()
444 raw->queued_write == NULL && in raw3215_irq()
445 raw->queued_read == NULL) { in raw3215_irq()
446 wake_up_interruptible(&raw->empty_wait); in raw3215_irq()
448 raw3215_next_io(raw, tty); in raw3215_irq()
454 raw->count -= req->len; in raw3215_irq()
455 raw->written -= req->len; in raw3215_irq()
457 raw->flags &= ~RAW3215_WORKING; in raw3215_irq()
460 raw3215_next_io(raw, tty); in raw3215_irq()
469 static void raw3215_drop_line(struct raw3215_info *raw) in raw3215_drop_line() argument
474 BUG_ON(raw->written != 0); in raw3215_drop_line()
475 ix = (raw->head - raw->count) & (RAW3215_BUFFER_SIZE - 1); in raw3215_drop_line()
476 while (raw->count > 0) { in raw3215_drop_line()
477 ch = raw->buffer[ix]; in raw3215_drop_line()
479 raw->count--; in raw3215_drop_line()
483 raw->head = ix; in raw3215_drop_line()
491 static void raw3215_make_room(struct raw3215_info *raw, unsigned int length) in raw3215_make_room() argument
493 while (RAW3215_BUFFER_SIZE - raw->count < length) { in raw3215_make_room()
497 if (tty_port_suspended(&raw->port)) { in raw3215_make_room()
498 raw3215_drop_line(raw); in raw3215_make_room()
502 raw->flags |= RAW3215_FLUSHING; in raw3215_make_room()
503 raw3215_mk_write_req(raw); in raw3215_make_room()
504 raw3215_try_io(raw); in raw3215_make_room()
505 raw->flags &= ~RAW3215_FLUSHING; in raw3215_make_room()
507 ccw_device_wait_idle(raw->cdev); in raw3215_make_room()
510 if (RAW3215_BUFFER_SIZE - raw->count >= length) in raw3215_make_room()
513 spin_unlock(get_ccwdev_lock(raw->cdev)); in raw3215_make_room()
515 spin_lock(get_ccwdev_lock(raw->cdev)); in raw3215_make_room()
522 static void raw3215_write(struct raw3215_info *raw, const char *str, in raw3215_write() argument
529 spin_lock_irqsave(get_ccwdev_lock(raw->cdev), flags); in raw3215_write()
534 raw3215_make_room(raw, count); in raw3215_write()
539 min(RAW3215_BUFFER_SIZE - raw->count, in raw3215_write()
540 RAW3215_BUFFER_SIZE - raw->head)); in raw3215_write()
543 memcpy(raw->buffer + raw->head, str, c); in raw3215_write()
544 ASCEBC(raw->buffer + raw->head, c); in raw3215_write()
545 raw->head = (raw->head + c) & (RAW3215_BUFFER_SIZE - 1); in raw3215_write()
546 raw->count += c; in raw3215_write()
547 raw->line_pos += c; in raw3215_write()
551 if (!(raw->flags & RAW3215_WORKING)) { in raw3215_write()
552 raw3215_mk_write_req(raw); in raw3215_write()
554 raw3215_try_io(raw); in raw3215_write()
556 spin_unlock_irqrestore(get_ccwdev_lock(raw->cdev), flags); in raw3215_write()
563 static void raw3215_putchar(struct raw3215_info *raw, unsigned char ch) in raw3215_putchar() argument
568 spin_lock_irqsave(get_ccwdev_lock(raw->cdev), flags); in raw3215_putchar()
570 length = TAB_STOP_SIZE - (raw->line_pos%TAB_STOP_SIZE); in raw3215_putchar()
571 raw->line_pos += length; in raw3215_putchar()
575 raw->line_pos = 0; in raw3215_putchar()
578 raw->line_pos++; in raw3215_putchar()
580 raw3215_make_room(raw, length); in raw3215_putchar()
583 raw->buffer[raw->head] = (char) _ascebc[(int) ch]; in raw3215_putchar()
584 raw->head = (raw->head + 1) & (RAW3215_BUFFER_SIZE - 1); in raw3215_putchar()
585 raw->count++; in raw3215_putchar()
587 if (!(raw->flags & RAW3215_WORKING)) { in raw3215_putchar()
588 raw3215_mk_write_req(raw); in raw3215_putchar()
590 raw3215_try_io(raw); in raw3215_putchar()
592 spin_unlock_irqrestore(get_ccwdev_lock(raw->cdev), flags); in raw3215_putchar()
599 static void raw3215_flush_buffer(struct raw3215_info *raw) in raw3215_flush_buffer() argument
603 spin_lock_irqsave(get_ccwdev_lock(raw->cdev), flags); in raw3215_flush_buffer()
604 if (raw->count > 0) { in raw3215_flush_buffer()
605 raw->flags |= RAW3215_FLUSHING; in raw3215_flush_buffer()
606 raw3215_try_io(raw); in raw3215_flush_buffer()
607 raw->flags &= ~RAW3215_FLUSHING; in raw3215_flush_buffer()
609 spin_unlock_irqrestore(get_ccwdev_lock(raw->cdev), flags); in raw3215_flush_buffer()
615 static int raw3215_startup(struct raw3215_info *raw) in raw3215_startup() argument
619 if (tty_port_initialized(&raw->port)) in raw3215_startup()
621 raw->line_pos = 0; in raw3215_startup()
622 tty_port_set_initialized(&raw->port, 1); in raw3215_startup()
623 spin_lock_irqsave(get_ccwdev_lock(raw->cdev), flags); in raw3215_startup()
624 raw3215_try_io(raw); in raw3215_startup()
625 spin_unlock_irqrestore(get_ccwdev_lock(raw->cdev), flags); in raw3215_startup()
633 static void raw3215_shutdown(struct raw3215_info *raw) in raw3215_shutdown() argument
638 if (!tty_port_initialized(&raw->port) || (raw->flags & RAW3215_FIXED)) in raw3215_shutdown()
641 spin_lock_irqsave(get_ccwdev_lock(raw->cdev), flags); in raw3215_shutdown()
642 if ((raw->flags & RAW3215_WORKING) || in raw3215_shutdown()
643 raw->queued_write != NULL || in raw3215_shutdown()
644 raw->queued_read != NULL) { in raw3215_shutdown()
645 add_wait_queue(&raw->empty_wait, &wait); in raw3215_shutdown()
647 spin_unlock_irqrestore(get_ccwdev_lock(raw->cdev), flags); in raw3215_shutdown()
649 spin_lock_irqsave(get_ccwdev_lock(raw->cdev), flags); in raw3215_shutdown()
650 remove_wait_queue(&raw->empty_wait, &wait); in raw3215_shutdown()
652 tty_port_set_initialized(&raw->port, 1); in raw3215_shutdown()
654 spin_unlock_irqrestore(get_ccwdev_lock(raw->cdev), flags); in raw3215_shutdown()
682 static void raw3215_free_info(struct raw3215_info *raw) in raw3215_free_info() argument
684 kfree(raw->inbuf); in raw3215_free_info()
685 kfree(raw->buffer); in raw3215_free_info()
686 tty_port_destroy(&raw->port); in raw3215_free_info()
687 kfree(raw); in raw3215_free_info()
692 struct raw3215_info *raw; in raw3215_probe() local
699 raw = raw3215_alloc_info(); in raw3215_probe()
700 if (raw == NULL) in raw3215_probe()
703 raw->cdev = cdev; in raw3215_probe()
704 dev_set_drvdata(&cdev->dev, raw); in raw3215_probe()
710 raw3215[line] = raw; in raw3215_probe()
716 raw3215_free_info(raw); in raw3215_probe()
725 struct raw3215_info *raw; in raw3215_remove() local
729 raw = dev_get_drvdata(&cdev->dev); in raw3215_remove()
730 if (raw) { in raw3215_remove()
733 if (raw3215[line] == raw) in raw3215_remove()
738 raw3215_free_info(raw); in raw3215_remove()
744 struct raw3215_info *raw; in raw3215_set_online() local
746 raw = dev_get_drvdata(&cdev->dev); in raw3215_set_online()
747 if (!raw) in raw3215_set_online()
750 return raw3215_startup(raw); in raw3215_set_online()
755 struct raw3215_info *raw; in raw3215_set_offline() local
757 raw = dev_get_drvdata(&cdev->dev); in raw3215_set_offline()
758 if (!raw) in raw3215_set_offline()
761 raw3215_shutdown(raw); in raw3215_set_offline()
768 struct raw3215_info *raw; in raw3215_pm_stop() local
772 raw = dev_get_drvdata(&cdev->dev); in raw3215_pm_stop()
773 spin_lock_irqsave(get_ccwdev_lock(raw->cdev), flags); in raw3215_pm_stop()
774 raw3215_make_room(raw, RAW3215_BUFFER_SIZE); in raw3215_pm_stop()
775 tty_port_set_suspended(&raw->port, 1); in raw3215_pm_stop()
776 spin_unlock_irqrestore(get_ccwdev_lock(raw->cdev), flags); in raw3215_pm_stop()
782 struct raw3215_info *raw; in raw3215_pm_start() local
786 raw = dev_get_drvdata(&cdev->dev); in raw3215_pm_start()
787 spin_lock_irqsave(get_ccwdev_lock(raw->cdev), flags); in raw3215_pm_start()
788 tty_port_set_suspended(&raw->port, 0); in raw3215_pm_start()
789 raw->flags |= RAW3215_FLUSHING; in raw3215_pm_start()
790 raw3215_try_io(raw); in raw3215_pm_start()
791 raw->flags &= ~RAW3215_FLUSHING; in raw3215_pm_start()
792 spin_unlock_irqrestore(get_ccwdev_lock(raw->cdev), flags); in raw3215_pm_start()
824 struct raw3215_info *raw; in con3215_write() local
829 raw = raw3215[0]; /* console 3215 is the first one */ in con3215_write()
834 raw3215_write(raw, str, i); in con3215_write()
838 raw3215_putchar(raw, *str); in con3215_write()
857 struct raw3215_info *raw; in con3215_flush() local
860 raw = raw3215[0]; /* console 3215 is the first one */ in con3215_flush()
861 if (tty_port_suspended(&raw->port)) in con3215_flush()
863 if (ccw_device_force_console(raw->cdev)) in con3215_flush()
866 spin_lock_irqsave(get_ccwdev_lock(raw->cdev), flags); in con3215_flush()
867 raw3215_make_room(raw, RAW3215_BUFFER_SIZE); in con3215_flush()
868 spin_unlock_irqrestore(get_ccwdev_lock(raw->cdev), flags); in con3215_flush()
904 struct raw3215_info *raw; in con3215_init() local
933 raw3215[0] = raw = raw3215_alloc_info(); in con3215_init()
934 raw->cdev = cdev; in con3215_init()
935 dev_set_drvdata(&cdev->dev, raw); in con3215_init()
938 raw->flags |= RAW3215_FIXED; in con3215_init()
941 raw3215_free_info(raw); in con3215_init()
947 if (raw3215_startup(raw) != 0) { in con3215_init()
948 raw3215_free_info(raw); in con3215_init()
962 struct raw3215_info *raw; in tty3215_install() local
964 raw = raw3215[tty->index]; in tty3215_install()
965 if (raw == NULL) in tty3215_install()
968 tty->driver_data = raw; in tty3215_install()
970 return tty_port_install(&raw->port, driver, tty); in tty3215_install()
980 struct raw3215_info *raw = tty->driver_data; in tty3215_open() local
982 tty_port_tty_set(&raw->port, tty); in tty3215_open()
984 raw->port.low_latency = 0; /* don't use bottom half for pushing chars */ in tty3215_open()
988 return raw3215_startup(raw); in tty3215_open()
999 struct raw3215_info *raw; in tty3215_close() local
1001 raw = (struct raw3215_info *) tty->driver_data; in tty3215_close()
1002 if (raw == NULL || tty->count > 1) in tty3215_close()
1006 raw3215_shutdown(raw); in tty3215_close()
1007 tasklet_kill(&raw->tlet); in tty3215_close()
1009 tty_port_tty_set(&raw->port, NULL); in tty3215_close()
1017 struct raw3215_info *raw; in tty3215_write_room() local
1019 raw = (struct raw3215_info *) tty->driver_data; in tty3215_write_room()
1022 if ((RAW3215_BUFFER_SIZE - raw->count - TAB_STOP_SIZE) >= 0) in tty3215_write_room()
1023 return RAW3215_BUFFER_SIZE - raw->count - TAB_STOP_SIZE; in tty3215_write_room()
1034 struct raw3215_info *raw; in tty3215_write() local
1039 raw = (struct raw3215_info *) tty->driver_data; in tty3215_write()
1045 raw3215_write(raw, buf, i); in tty3215_write()
1049 raw3215_putchar(raw, *buf); in tty3215_write()
1062 struct raw3215_info *raw; in tty3215_put_char() local
1066 raw = (struct raw3215_info *) tty->driver_data; in tty3215_put_char()
1067 raw3215_putchar(raw, ch); in tty3215_put_char()
1080 struct raw3215_info *raw; in tty3215_chars_in_buffer() local
1082 raw = (struct raw3215_info *) tty->driver_data; in tty3215_chars_in_buffer()
1083 return raw->count; in tty3215_chars_in_buffer()
1088 struct raw3215_info *raw; in tty3215_flush_buffer() local
1090 raw = (struct raw3215_info *) tty->driver_data; in tty3215_flush_buffer()
1091 raw3215_flush_buffer(raw); in tty3215_flush_buffer()
1100 struct raw3215_info *raw; in tty3215_throttle() local
1102 raw = (struct raw3215_info *) tty->driver_data; in tty3215_throttle()
1103 raw->flags |= RAW3215_THROTTLED; in tty3215_throttle()
1111 struct raw3215_info *raw; in tty3215_unthrottle() local
1114 raw = (struct raw3215_info *) tty->driver_data; in tty3215_unthrottle()
1115 if (raw->flags & RAW3215_THROTTLED) { in tty3215_unthrottle()
1116 spin_lock_irqsave(get_ccwdev_lock(raw->cdev), flags); in tty3215_unthrottle()
1117 raw->flags &= ~RAW3215_THROTTLED; in tty3215_unthrottle()
1118 raw3215_try_io(raw); in tty3215_unthrottle()
1119 spin_unlock_irqrestore(get_ccwdev_lock(raw->cdev), flags); in tty3215_unthrottle()
1128 struct raw3215_info *raw; in tty3215_stop() local
1130 raw = (struct raw3215_info *) tty->driver_data; in tty3215_stop()
1131 raw->flags |= RAW3215_STOPPED; in tty3215_stop()
1139 struct raw3215_info *raw; in tty3215_start() local
1142 raw = (struct raw3215_info *) tty->driver_data; in tty3215_start()
1143 if (raw->flags & RAW3215_STOPPED) { in tty3215_start()
1144 spin_lock_irqsave(get_ccwdev_lock(raw->cdev), flags); in tty3215_start()
1145 raw->flags &= ~RAW3215_STOPPED; in tty3215_start()
1146 raw3215_try_io(raw); in tty3215_start()
1147 spin_unlock_irqrestore(get_ccwdev_lock(raw->cdev), flags); in tty3215_start()