Lines Matching refs:pp
108 static inline void pp_enable_irq(struct pp_struct *pp)
110 struct parport *port = pp->pdev->port;
119 struct pp_struct *pp = file->private_data;
125 if (!(pp->flags & PP_CLAIMED)) {
138 pport = pp->pdev->port;
141 parport_set_timeout(pp->pdev,
144 pp->default_inactivity);
154 if (pp->flags & PP_W91284PIC)
156 if (pp->flags & PP_FASTREAD)
183 parport_set_timeout(pp->pdev, pp->default_inactivity);
189 pp_enable_irq(pp);
197 struct pp_struct *pp = file->private_data;
204 if (!(pp->flags & PP_CLAIMED)) {
214 pport = pp->pdev->port;
217 parport_set_timeout(pp->pdev,
220 pp->default_inactivity);
230 if ((pp->flags & PP_FASTWRITE) && (mode == IEEE1284_MODE_EPP)) {
240 wrote = parport_write(pp->pdev->port, kbuffer, n);
263 parport_set_timeout(pp->pdev, pp->default_inactivity);
266 pp_enable_irq(pp);
272 struct pp_struct *pp = private;
274 if (pp->irqresponse) {
275 parport_write_control(pp->pdev->port, pp->irqctl);
276 pp->irqresponse = 0;
279 atomic_inc(&pp->irqc);
280 wake_up_interruptible(&pp->irq_wait);
283 static int register_device(int minor, struct pp_struct *pp)
305 ppdev_cb.flags = (pp->flags & PP_EXCL) ? PARPORT_FLAG_EXCL : 0;
306 ppdev_cb.private = pp;
317 pp->pdev = pdev;
318 pp->index = index;
355 struct pp_struct *pp = file->private_data;
371 if (pp->flags & PP_CLAIMED) {
372 dev_dbg(&pp->pdev->dev, "you've already got it!\n");
377 if (!pp->pdev) {
378 int err = register_device(minor, pp);
384 ret = parport_claim_or_block(pp->pdev);
388 pp->flags |= PP_CLAIMED;
392 pp_enable_irq(pp);
395 info = &pp->pdev->port->ieee1284;
396 pp->saved_state.mode = info->mode;
397 pp->saved_state.phase = info->phase;
398 info->mode = pp->state.mode;
399 info->phase = pp->state.phase;
400 pp->default_inactivity = parport_set_timeout(pp->pdev, 0);
401 parport_set_timeout(pp->pdev, pp->default_inactivity);
406 if (pp->pdev) {
407 dev_dbg(&pp->pdev->dev,
409 if (pp->flags & PP_EXCL)
418 pp->flags |= PP_EXCL;
427 pp->state.mode = mode;
428 pp->state.phase = init_phase(mode);
430 if (pp->flags & PP_CLAIMED) {
431 pp->pdev->port->ieee1284.mode = mode;
432 pp->pdev->port->ieee1284.phase = pp->state.phase;
441 if (pp->flags & PP_CLAIMED)
442 mode = pp->pdev->port->ieee1284.mode;
444 mode = pp->state.mode;
458 pp->state.phase = phase;
460 if (pp->flags & PP_CLAIMED)
461 pp->pdev->port->ieee1284.phase = phase;
469 if (pp->flags & PP_CLAIMED)
470 phase = pp->pdev->port->ieee1284.phase;
472 phase = pp->state.phase;
497 pp->flags &= ~PP_FLAGMASK;
498 pp->flags |= (uflags & PP_FLAGMASK);
505 uflags = pp->flags & PP_FLAGMASK;
514 if ((pp->flags & PP_CLAIMED) == 0) {
519 port = pp->pdev->port;
537 parport_yield_blocking(pp->pdev);
542 info = &pp->pdev->port->ieee1284;
543 pp->state.mode = info->mode;
544 pp->state.phase = info->phase;
545 info->mode = pp->saved_state.mode;
546 info->phase = pp->saved_state.phase;
547 parport_release(pp->pdev);
548 pp->flags &= ~PP_CLAIMED;
594 pp_enable_irq(pp);
603 pp->irqctl = reg;
604 pp->irqresponse = 1;
608 ret = atomic_read(&pp->irqc);
611 atomic_sub(ret, &pp->irqc);
621 return pp_set_timeout(pp->pdev, time32[0], time32[1]);
633 return pp_set_timeout(pp->pdev, time64[0], time64[1]);
636 jiffies_to_timespec64(pp->pdev->timeout, &ts);
646 jiffies_to_timespec64(pp->pdev->timeout, &ts);
659 dev_dbg(&pp->pdev->dev, "What? (cmd=0x%x)\n", cmd);
680 struct pp_struct *pp;
685 pp = kmalloc(sizeof(struct pp_struct), GFP_KERNEL);
686 if (!pp)
689 pp->state.mode = IEEE1284_MODE_COMPAT;
690 pp->state.phase = init_phase(pp->state.mode);
691 pp->flags = 0;
692 pp->irqresponse = 0;
693 atomic_set(&pp->irqc, 0);
694 init_waitqueue_head(&pp->irq_wait);
700 pp->pdev = NULL;
701 file->private_data = pp;
709 struct pp_struct *pp = file->private_data;
713 if (!(pp->flags & PP_CLAIMED) && pp->pdev &&
714 (pp->state.mode != IEEE1284_MODE_COMPAT)) {
718 parport_claim_or_block(pp->pdev);
719 pp->flags |= PP_CLAIMED;
720 info = &pp->pdev->port->ieee1284;
721 pp->saved_state.mode = info->mode;
722 pp->saved_state.phase = info->phase;
723 info->mode = pp->state.mode;
724 info->phase = pp->state.phase;
726 } else if ((pp->flags & PP_CLAIMED) && pp->pdev &&
727 (pp->pdev->port->ieee1284.mode != IEEE1284_MODE_COMPAT)) {
731 parport_negotiate(pp->pdev->port, IEEE1284_MODE_COMPAT);
732 dev_dbg(&pp->pdev->dev,
736 if ((pp->flags & PP_CLAIMED) && pp->pdev) {
739 info = &pp->pdev->port->ieee1284;
740 pp->state.mode = info->mode;
741 pp->state.phase = info->phase;
742 info->mode = pp->saved_state.mode;
743 info->phase = pp->saved_state.phase;
744 parport_release(pp->pdev);
751 if (pp->pdev) {
752 parport_unregister_device(pp->pdev);
753 ida_simple_remove(&ida_index, pp->index);
754 pp->pdev = NULL;
758 kfree(pp);
766 struct pp_struct *pp = file->private_data;
769 poll_wait(file, &pp->irq_wait, wait);
770 if (atomic_read(&pp->irqc))