Lines Matching full:raw
144 static void raw3215_mk_read_req(struct raw3215_info *raw) in raw3215_mk_read_req() argument
150 req = raw->queued_read; in raw3215_mk_read_req()
155 req->info = raw; in raw3215_mk_read_req()
156 raw->queued_read = req; in raw3215_mk_read_req()
163 ccw->cda = (__u32)__pa(raw->inbuf); in raw3215_mk_read_req()
172 static void raw3215_mk_write_req(struct raw3215_info *raw) in raw3215_mk_write_req() argument
178 if (raw->count <= raw->written) in raw3215_mk_write_req()
181 req = raw->queued_write; in raw3215_mk_write_req()
186 req->info = raw; in raw3215_mk_write_req()
187 raw->queued_write = req; in raw3215_mk_write_req()
189 raw->written -= req->len; in raw3215_mk_write_req()
193 req->start = (raw->head - raw->count + raw->written) & in raw3215_mk_write_req()
202 while (lines < RAW3215_MAX_NEWLINE && ix != raw->head) { in raw3215_mk_write_req()
203 if (raw->buffer[ix] == 0x15) in raw3215_mk_write_req()
211 raw->written += len; in raw3215_mk_write_req()
214 req->delayable = (ix == raw->head) && (len < RAW3215_MIN_WRITE); in raw3215_mk_write_req()
222 ccw->cda = (__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 raw3215_mk_write_req(raw); in raw3215_timeout()
293 raw3215_start_io(raw); in raw3215_timeout()
294 if ((raw->queued_read || raw->queued_write) && in raw3215_timeout()
295 !(raw->flags & RAW3215_WORKING) && in raw3215_timeout()
296 !(raw->flags & RAW3215_TIMER_RUNS)) { in raw3215_timeout()
297 raw->timer.expires = RAW3215_TIMEOUT + jiffies; in raw3215_timeout()
298 add_timer(&raw->timer); in raw3215_timeout()
299 raw->flags |= RAW3215_TIMER_RUNS; in raw3215_timeout()
301 spin_unlock_irqrestore(get_ccwdev_lock(raw->cdev), flags); in raw3215_timeout()
310 static inline void raw3215_try_io(struct raw3215_info *raw) in raw3215_try_io() argument
312 if (!tty_port_initialized(&raw->port)) in raw3215_try_io()
314 if (raw->queued_read != NULL) in raw3215_try_io()
315 raw3215_start_io(raw); in raw3215_try_io()
316 else if (raw->queued_write != NULL) { in raw3215_try_io()
317 if ((raw->queued_write->delayable == 0) || in raw3215_try_io()
318 (raw->flags & RAW3215_FLUSHING)) { in raw3215_try_io()
320 raw3215_start_io(raw); in raw3215_try_io()
323 if ((raw->queued_read || raw->queued_write) && in raw3215_try_io()
324 !(raw->flags & RAW3215_WORKING) && in raw3215_try_io()
325 !(raw->flags & RAW3215_TIMER_RUNS)) { in raw3215_try_io()
326 raw->timer.expires = RAW3215_TIMEOUT + jiffies; in raw3215_try_io()
327 add_timer(&raw->timer); in raw3215_try_io()
328 raw->flags |= RAW3215_TIMER_RUNS; in raw3215_try_io()
335 static void raw3215_next_io(struct raw3215_info *raw, struct tty_struct *tty) in raw3215_next_io() argument
337 raw3215_mk_write_req(raw); in raw3215_next_io()
338 raw3215_try_io(raw); in raw3215_next_io()
339 if (tty && RAW3215_BUFFER_SIZE - raw->count >= RAW3215_MIN_SPACE) in raw3215_next_io()
349 struct raw3215_info *raw; in raw3215_irq() local
355 raw = dev_get_drvdata(&cdev->dev); in raw3215_irq()
357 tty = tty_port_tty_get(&raw->port); in raw3215_irq()
361 raw3215_next_io(raw, tty); in raw3215_irq()
370 raw3215_mk_read_req(raw); in raw3215_irq()
371 raw3215_next_io(raw, tty); in raw3215_irq()
376 if ((raw = req->info) == NULL) in raw3215_irq()
387 if ((raw = req->info) == NULL) in raw3215_irq()
393 EBCASC(raw->inbuf, count); in raw3215_irq()
394 cchar = ctrlchar_handle(raw->inbuf, count, tty); in raw3215_irq()
400 tty_insert_flip_char(&raw->port, cchar, in raw3215_irq()
402 tty_flip_buffer_push(&raw->port); in raw3215_irq()
407 (strncmp(raw->inbuf+count-2, "\252n", 2) && in raw3215_irq()
408 strncmp(raw->inbuf+count-2, "^n", 2)) ) { in raw3215_irq()
410 raw->inbuf[count] = '\n'; in raw3215_irq()
414 tty_insert_flip_string(&raw->port, raw->inbuf, in raw3215_irq()
416 tty_flip_buffer_push(&raw->port); in raw3215_irq()
420 raw->count -= req->len; in raw3215_irq()
421 raw->written -= req->len; in raw3215_irq()
423 raw->flags &= ~RAW3215_WORKING; in raw3215_irq()
426 if (waitqueue_active(&raw->empty_wait) && in raw3215_irq()
427 raw->queued_write == NULL && in raw3215_irq()
428 raw->queued_read == NULL) { in raw3215_irq()
429 wake_up_interruptible(&raw->empty_wait); in raw3215_irq()
431 raw3215_next_io(raw, tty); 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 raw3215_next_io(raw, tty); in raw3215_irq()
457 static unsigned int raw3215_drop(struct raw3215_info *raw) in raw3215_drop() argument
461 req = raw->queued_write; in raw3215_drop()
464 raw->written -= req->len; in raw3215_drop()
466 raw->queued_write = NULL; in raw3215_drop()
468 raw->head = (raw->head - raw->count + raw->written) & in raw3215_drop()
470 raw->count = raw->written; in raw3215_drop()
472 return RAW3215_BUFFER_SIZE - raw->count; in raw3215_drop()
482 static unsigned int raw3215_make_room(struct raw3215_info *raw, in raw3215_make_room() argument
485 while (RAW3215_BUFFER_SIZE - raw->count < length) { in raw3215_make_room()
487 return raw3215_drop(raw); in raw3215_make_room()
490 raw->flags |= RAW3215_FLUSHING; in raw3215_make_room()
491 raw3215_mk_write_req(raw); in raw3215_make_room()
492 raw3215_try_io(raw); in raw3215_make_room()
493 raw->flags &= ~RAW3215_FLUSHING; in raw3215_make_room()
495 ccw_device_wait_idle(raw->cdev); in raw3215_make_room()
498 if (RAW3215_BUFFER_SIZE - raw->count >= length) in raw3215_make_room()
501 spin_unlock(get_ccwdev_lock(raw->cdev)); in raw3215_make_room()
503 spin_lock(get_ccwdev_lock(raw->cdev)); in raw3215_make_room()
527 struct raw3215_info *raw, int opmode, in raw3215_addtext() argument
531 unsigned int column = raw->line_pos; in raw3215_addtext()
562 raw->buffer[raw->head] = (char)_ascebc[(int)ch]; in raw3215_addtext()
563 raw->head = (raw->head + 1) & (RAW3215_BUFFER_SIZE - 1); in raw3215_addtext()
564 raw->count++; in raw3215_addtext()
566 raw->line_pos = column; in raw3215_addtext()
574 static void raw3215_write(struct raw3215_info *raw, const char *str, in raw3215_write() argument
580 spin_lock_irqsave(get_ccwdev_lock(raw->cdev), flags); in raw3215_write()
582 count = raw3215_addtext(str, length, raw, RAW3215_COUNT, 0); in raw3215_write()
584 avail = raw3215_make_room(raw, count, con3215_drop); in raw3215_write()
586 raw3215_addtext(str, length, raw, RAW3215_STORE, in raw3215_write()
589 if (!(raw->flags & RAW3215_WORKING)) { in raw3215_write()
590 raw3215_mk_write_req(raw); in raw3215_write()
592 raw3215_try_io(raw); in raw3215_write()
594 spin_unlock_irqrestore(get_ccwdev_lock(raw->cdev), flags); in raw3215_write()
600 static void raw3215_putchar(struct raw3215_info *raw, unsigned char ch) in raw3215_putchar() argument
602 raw3215_write(raw, &ch, 1); in raw3215_putchar()
609 static void raw3215_flush_buffer(struct raw3215_info *raw) in raw3215_flush_buffer() argument
613 spin_lock_irqsave(get_ccwdev_lock(raw->cdev), flags); in raw3215_flush_buffer()
614 if (raw->count > 0) { in raw3215_flush_buffer()
615 raw->flags |= RAW3215_FLUSHING; in raw3215_flush_buffer()
616 raw3215_try_io(raw); in raw3215_flush_buffer()
617 raw->flags &= ~RAW3215_FLUSHING; in raw3215_flush_buffer()
619 spin_unlock_irqrestore(get_ccwdev_lock(raw->cdev), flags); in raw3215_flush_buffer()
625 static int raw3215_startup(struct raw3215_info *raw) in raw3215_startup() argument
629 if (tty_port_initialized(&raw->port)) in raw3215_startup()
631 raw->line_pos = 0; in raw3215_startup()
632 tty_port_set_initialized(&raw->port, true); in raw3215_startup()
633 spin_lock_irqsave(get_ccwdev_lock(raw->cdev), flags); in raw3215_startup()
634 raw3215_try_io(raw); in raw3215_startup()
635 spin_unlock_irqrestore(get_ccwdev_lock(raw->cdev), flags); in raw3215_startup()
643 static void raw3215_shutdown(struct raw3215_info *raw) in raw3215_shutdown() argument
648 if (!tty_port_initialized(&raw->port) || (raw->flags & RAW3215_FIXED)) in raw3215_shutdown()
651 spin_lock_irqsave(get_ccwdev_lock(raw->cdev), flags); in raw3215_shutdown()
652 if ((raw->flags & RAW3215_WORKING) || in raw3215_shutdown()
653 raw->queued_write != NULL || in raw3215_shutdown()
654 raw->queued_read != NULL) { in raw3215_shutdown()
655 add_wait_queue(&raw->empty_wait, &wait); in raw3215_shutdown()
657 spin_unlock_irqrestore(get_ccwdev_lock(raw->cdev), flags); in raw3215_shutdown()
659 spin_lock_irqsave(get_ccwdev_lock(raw->cdev), flags); in raw3215_shutdown()
660 remove_wait_queue(&raw->empty_wait, &wait); in raw3215_shutdown()
662 tty_port_set_initialized(&raw->port, true); in raw3215_shutdown()
664 spin_unlock_irqrestore(get_ccwdev_lock(raw->cdev), flags); in raw3215_shutdown()
691 static void raw3215_free_info(struct raw3215_info *raw) in raw3215_free_info() argument
693 kfree(raw->inbuf); in raw3215_free_info()
694 kfree(raw->buffer); in raw3215_free_info()
695 tty_port_destroy(&raw->port); in raw3215_free_info()
696 kfree(raw); in raw3215_free_info()
701 struct raw3215_info *raw; in raw3215_probe() local
708 raw = raw3215_alloc_info(); in raw3215_probe()
709 if (raw == NULL) in raw3215_probe()
712 raw->cdev = cdev; in raw3215_probe()
713 dev_set_drvdata(&cdev->dev, raw); in raw3215_probe()
719 raw3215[line] = raw; in raw3215_probe()
725 raw3215_free_info(raw); in raw3215_probe()
734 struct raw3215_info *raw; in raw3215_remove() local
738 raw = dev_get_drvdata(&cdev->dev); in raw3215_remove()
739 if (raw) { in raw3215_remove()
742 if (raw3215[line] == raw) in raw3215_remove()
747 raw3215_free_info(raw); in raw3215_remove()
753 struct raw3215_info *raw; in raw3215_set_online() local
755 raw = dev_get_drvdata(&cdev->dev); in raw3215_set_online()
756 if (!raw) in raw3215_set_online()
759 return raw3215_startup(raw); in raw3215_set_online()
764 struct raw3215_info *raw; in raw3215_set_offline() local
766 raw = dev_get_drvdata(&cdev->dev); in raw3215_set_offline()
767 if (!raw) in raw3215_set_offline()
770 raw3215_shutdown(raw); in raw3215_set_offline()
827 static void handle_write(struct raw3215_info *raw, const char *str, int count) in handle_write() argument
833 raw3215_write(raw, str, i); in handle_write()
865 struct raw3215_info *raw; in con3215_notify() local
868 raw = raw3215[0]; /* console 3215 is the first one */ in con3215_notify()
869 if (!spin_trylock_irqsave(get_ccwdev_lock(raw->cdev), flags)) in con3215_notify()
871 raw3215_make_room(raw, RAW3215_BUFFER_SIZE, false); in con3215_notify()
872 spin_unlock_irqrestore(get_ccwdev_lock(raw->cdev), flags); in con3215_notify()
903 struct raw3215_info *raw; in con3215_init() local
931 raw3215[0] = raw = raw3215_alloc_info(); in con3215_init()
932 raw->cdev = cdev; in con3215_init()
933 dev_set_drvdata(&cdev->dev, raw); in con3215_init()
936 raw->flags |= RAW3215_FIXED; in con3215_init()
939 raw3215_free_info(raw); in con3215_init()
945 if (raw3215_startup(raw) != 0) { in con3215_init()
946 raw3215_free_info(raw); in con3215_init()
960 struct raw3215_info *raw; in tty3215_install() local
962 raw = raw3215[tty->index]; in tty3215_install()
963 if (raw == NULL) in tty3215_install()
966 tty->driver_data = raw; in tty3215_install()
968 return tty_port_install(&raw->port, driver, tty); in tty3215_install()
978 struct raw3215_info *raw = tty->driver_data; in tty3215_open() local
980 tty_port_tty_set(&raw->port, tty); in tty3215_open()
985 return raw3215_startup(raw); in tty3215_open()
996 struct raw3215_info *raw = tty->driver_data; in tty3215_close() local
998 if (raw == NULL || tty->count > 1) in tty3215_close()
1002 raw3215_shutdown(raw); in tty3215_close()
1004 tty_port_tty_set(&raw->port, NULL); in tty3215_close()
1012 struct raw3215_info *raw = tty->driver_data; in tty3215_write_room() local
1015 if ((RAW3215_BUFFER_SIZE - raw->count - TAB_STOP_SIZE) >= 0) in tty3215_write_room()
1016 return RAW3215_BUFFER_SIZE - raw->count - TAB_STOP_SIZE; in tty3215_write_room()
1036 struct raw3215_info *raw = tty->driver_data; in tty3215_put_char() local
1038 raw3215_putchar(raw, ch); in tty3215_put_char()
1052 struct raw3215_info *raw = tty->driver_data; in tty3215_chars_in_buffer() local
1054 return raw->count; in tty3215_chars_in_buffer()
1059 struct raw3215_info *raw = tty->driver_data; in tty3215_flush_buffer() local
1061 raw3215_flush_buffer(raw); in tty3215_flush_buffer()
1070 struct raw3215_info *raw = tty->driver_data; in tty3215_throttle() local
1072 raw->flags |= RAW3215_THROTTLED; in tty3215_throttle()
1080 struct raw3215_info *raw = tty->driver_data; in tty3215_unthrottle() local
1083 if (raw->flags & RAW3215_THROTTLED) { in tty3215_unthrottle()
1084 spin_lock_irqsave(get_ccwdev_lock(raw->cdev), flags); in tty3215_unthrottle()
1085 raw->flags &= ~RAW3215_THROTTLED; in tty3215_unthrottle()
1086 raw3215_try_io(raw); in tty3215_unthrottle()
1087 spin_unlock_irqrestore(get_ccwdev_lock(raw->cdev), flags); in tty3215_unthrottle()
1096 struct raw3215_info *raw = tty->driver_data; in tty3215_stop() local
1098 raw->flags |= RAW3215_STOPPED; in tty3215_stop()
1106 struct raw3215_info *raw = tty->driver_data; in tty3215_start() local
1109 if (raw->flags & RAW3215_STOPPED) { in tty3215_start()
1110 spin_lock_irqsave(get_ccwdev_lock(raw->cdev), flags); in tty3215_start()
1111 raw->flags &= ~RAW3215_STOPPED; in tty3215_start()
1112 raw3215_try_io(raw); in tty3215_start()
1113 spin_unlock_irqrestore(get_ccwdev_lock(raw->cdev), flags); in tty3215_start()