Lines Matching refs:pp
112 static inline void pp_enable_irq(struct pp_struct *pp) in pp_enable_irq() argument
114 struct parport *port = pp->pdev->port; in pp_enable_irq()
123 struct pp_struct *pp = file->private_data; in pp_read() local
129 if (!(pp->flags & PP_CLAIMED)) { in pp_read()
142 pport = pp->pdev->port; in pp_read()
145 parport_set_timeout(pp->pdev, in pp_read()
148 pp->default_inactivity); in pp_read()
158 if (pp->flags & PP_W91284PIC) in pp_read()
160 if (pp->flags & PP_FASTREAD) in pp_read()
187 parport_set_timeout(pp->pdev, pp->default_inactivity); in pp_read()
193 pp_enable_irq(pp); in pp_read()
201 struct pp_struct *pp = file->private_data; in pp_write() local
208 if (!(pp->flags & PP_CLAIMED)) { in pp_write()
218 pport = pp->pdev->port; in pp_write()
221 parport_set_timeout(pp->pdev, in pp_write()
224 pp->default_inactivity); in pp_write()
234 if ((pp->flags & PP_FASTWRITE) && (mode == IEEE1284_MODE_EPP)) { in pp_write()
244 wrote = parport_write(pp->pdev->port, kbuffer, n); in pp_write()
267 parport_set_timeout(pp->pdev, pp->default_inactivity); in pp_write()
270 pp_enable_irq(pp); in pp_write()
276 struct pp_struct *pp = private; in pp_irq() local
278 if (pp->irqresponse) { in pp_irq()
279 parport_write_control(pp->pdev->port, pp->irqctl); in pp_irq()
280 pp->irqresponse = 0; in pp_irq()
283 atomic_inc(&pp->irqc); in pp_irq()
284 wake_up_interruptible(&pp->irq_wait); in pp_irq()
287 static int register_device(int minor, struct pp_struct *pp) in register_device() argument
309 ppdev_cb.flags = (pp->flags & PP_EXCL) ? PARPORT_FLAG_EXCL : 0; in register_device()
310 ppdev_cb.private = pp; in register_device()
321 pp->pdev = pdev; in register_device()
322 pp->index = index; in register_device()
359 struct pp_struct *pp = file->private_data; in pp_do_ioctl() local
370 if (pp->flags & PP_CLAIMED) { in pp_do_ioctl()
371 dev_dbg(&pp->pdev->dev, "you've already got it!\n"); in pp_do_ioctl()
376 if (!pp->pdev) { in pp_do_ioctl()
377 int err = register_device(minor, pp); in pp_do_ioctl()
383 ret = parport_claim_or_block(pp->pdev); in pp_do_ioctl()
387 pp->flags |= PP_CLAIMED; in pp_do_ioctl()
391 pp_enable_irq(pp); in pp_do_ioctl()
394 info = &pp->pdev->port->ieee1284; in pp_do_ioctl()
395 pp->saved_state.mode = info->mode; in pp_do_ioctl()
396 pp->saved_state.phase = info->phase; in pp_do_ioctl()
397 info->mode = pp->state.mode; in pp_do_ioctl()
398 info->phase = pp->state.phase; in pp_do_ioctl()
399 pp->default_inactivity = parport_set_timeout(pp->pdev, 0); in pp_do_ioctl()
400 parport_set_timeout(pp->pdev, pp->default_inactivity); in pp_do_ioctl()
405 if (pp->pdev) { in pp_do_ioctl()
406 dev_dbg(&pp->pdev->dev, in pp_do_ioctl()
408 if (pp->flags & PP_EXCL) in pp_do_ioctl()
417 pp->flags |= PP_EXCL; in pp_do_ioctl()
426 pp->state.mode = mode; in pp_do_ioctl()
427 pp->state.phase = init_phase(mode); in pp_do_ioctl()
429 if (pp->flags & PP_CLAIMED) { in pp_do_ioctl()
430 pp->pdev->port->ieee1284.mode = mode; in pp_do_ioctl()
431 pp->pdev->port->ieee1284.phase = pp->state.phase; in pp_do_ioctl()
440 if (pp->flags & PP_CLAIMED) in pp_do_ioctl()
441 mode = pp->pdev->port->ieee1284.mode; in pp_do_ioctl()
443 mode = pp->state.mode; in pp_do_ioctl()
457 pp->state.phase = phase; in pp_do_ioctl()
459 if (pp->flags & PP_CLAIMED) in pp_do_ioctl()
460 pp->pdev->port->ieee1284.phase = phase; in pp_do_ioctl()
468 if (pp->flags & PP_CLAIMED) in pp_do_ioctl()
469 phase = pp->pdev->port->ieee1284.phase; in pp_do_ioctl()
471 phase = pp->state.phase; in pp_do_ioctl()
496 pp->flags &= ~PP_FLAGMASK; in pp_do_ioctl()
497 pp->flags |= (uflags & PP_FLAGMASK); in pp_do_ioctl()
504 uflags = pp->flags & PP_FLAGMASK; in pp_do_ioctl()
513 if ((pp->flags & PP_CLAIMED) == 0) { in pp_do_ioctl()
518 port = pp->pdev->port; in pp_do_ioctl()
545 parport_yield_blocking(pp->pdev); in pp_do_ioctl()
550 info = &pp->pdev->port->ieee1284; in pp_do_ioctl()
551 pp->state.mode = info->mode; in pp_do_ioctl()
552 pp->state.phase = info->phase; in pp_do_ioctl()
553 info->mode = pp->saved_state.mode; in pp_do_ioctl()
554 info->phase = pp->saved_state.phase; in pp_do_ioctl()
555 parport_release(pp->pdev); in pp_do_ioctl()
556 pp->flags &= ~PP_CLAIMED; in pp_do_ioctl()
602 pp_enable_irq(pp); in pp_do_ioctl()
611 pp->irqctl = reg; in pp_do_ioctl()
612 pp->irqresponse = 1; in pp_do_ioctl()
616 ret = atomic_read(&pp->irqc); in pp_do_ioctl()
619 atomic_sub(ret, &pp->irqc); in pp_do_ioctl()
626 return pp_set_timeout(pp->pdev, time32[0], time32[1]); in pp_do_ioctl()
632 return pp_set_timeout(pp->pdev, time64[0], time64[1]); in pp_do_ioctl()
635 jiffies_to_timespec64(pp->pdev->timeout, &ts); in pp_do_ioctl()
647 jiffies_to_timespec64(pp->pdev->timeout, &ts); in pp_do_ioctl()
659 dev_dbg(&pp->pdev->dev, "What? (cmd=0x%x)\n", cmd); in pp_do_ioctl()
688 struct pp_struct *pp; in pp_open() local
693 pp = kmalloc(sizeof(struct pp_struct), GFP_KERNEL); in pp_open()
694 if (!pp) in pp_open()
697 pp->state.mode = IEEE1284_MODE_COMPAT; in pp_open()
698 pp->state.phase = init_phase(pp->state.mode); in pp_open()
699 pp->flags = 0; in pp_open()
700 pp->irqresponse = 0; in pp_open()
701 atomic_set(&pp->irqc, 0); in pp_open()
702 init_waitqueue_head(&pp->irq_wait); in pp_open()
708 pp->pdev = NULL; in pp_open()
709 file->private_data = pp; in pp_open()
717 struct pp_struct *pp = file->private_data; in pp_release() local
721 if (!(pp->flags & PP_CLAIMED) && pp->pdev && in pp_release()
722 (pp->state.mode != IEEE1284_MODE_COMPAT)) { in pp_release()
726 parport_claim_or_block(pp->pdev); in pp_release()
727 pp->flags |= PP_CLAIMED; in pp_release()
728 info = &pp->pdev->port->ieee1284; in pp_release()
729 pp->saved_state.mode = info->mode; in pp_release()
730 pp->saved_state.phase = info->phase; in pp_release()
731 info->mode = pp->state.mode; in pp_release()
732 info->phase = pp->state.phase; in pp_release()
734 } else if ((pp->flags & PP_CLAIMED) && pp->pdev && in pp_release()
735 (pp->pdev->port->ieee1284.mode != IEEE1284_MODE_COMPAT)) { in pp_release()
739 parport_negotiate(pp->pdev->port, IEEE1284_MODE_COMPAT); in pp_release()
740 dev_dbg(&pp->pdev->dev, in pp_release()
744 if (pp->flags & PP_CLAIMED) { in pp_release()
747 info = &pp->pdev->port->ieee1284; in pp_release()
748 pp->state.mode = info->mode; in pp_release()
749 pp->state.phase = info->phase; in pp_release()
750 info->mode = pp->saved_state.mode; in pp_release()
751 info->phase = pp->saved_state.phase; in pp_release()
752 parport_release(pp->pdev); in pp_release()
759 if (pp->pdev) { in pp_release()
760 parport_unregister_device(pp->pdev); in pp_release()
761 ida_simple_remove(&ida_index, pp->index); in pp_release()
762 pp->pdev = NULL; in pp_release()
766 kfree(pp); in pp_release()
774 struct pp_struct *pp = file->private_data; in pp_poll() local
777 poll_wait(file, &pp->irq_wait, wait); in pp_poll()
778 if (atomic_read(&pp->irqc)) in pp_poll()