1 /*-
2  * SPDX-License-Identifier: BSD-2-Clause
71 	if (ppbdev->flags != 0)  in ppbus_print_child()
72 		retval += printf(" flags 0x%x", ppbdev->flags);  in ppbus_print_child()
105 	ppbdev->name = name;  in ppbus_add_child()
169 	"digital camera", "unknown device", NULL };
182 #define UNKNOWN_LENGTH	-1  in search_token()
193 	for (i = 0; i <= slen-tlen; i++) {  in search_token()
204  * Returns the class id. of the peripherial, -1 otherwise
211 	int class_id = -1;  in ppb_pnp_detect()
261 		(token = search_token(str, len, "COMMAND")) != NULL)  in ppb_pnp_detect()
301 	if ((ppb->state == PPB_ERROR) && (ppb->error == PPB_NOT_IEEE1284))  in ppb_scan_bus()
369 	ppb->class_id = ppb_pnp_detect(bus);  in ppb_scan_bus()
386 	    (uintptr_t *)&ppb->ppc_lock);  in ppbus_attach()
393 	ppb->ppc_irq_res = bus_alloc_resource_any(dev, SYS_RES_IRQ, &rid,  in ppbus_attach()
395 	if (ppb->ppc_irq_res != NULL) {  in ppbus_attach()
396 		mtx_lock(ppb->ppc_lock);  in ppbus_attach()
399 		mtx_unlock(ppb->ppc_lock);  in ppbus_attach()
401 			device_printf(dev, "Unable to set interrupt handler\n");  in ppbus_attach()
411 	mtx_lock(ppb->ppc_lock);  in ppbus_attach()
413 	mtx_unlock(ppb->ppc_lock);  in ppbus_attach()
428 	mtx_assert(ppb->ppc_lock, MA_OWNED);  in ppbus_intr()
429 	if (ppb->ppb_owner == NULL)  in ppbus_intr()
432 	ppbdev = device_get_ivars(ppb->ppb_owner);  in ppbus_intr()
433 	if (ppbdev->intr_hook == NULL)  in ppbus_intr()
436 	ppbdev->intr_hook(ppbdev->intr_arg);  in ppbus_intr()
452 	if (ppb->ppc_irq_res != r)  in ppbus_setup_intr()
455 	mtx_lock(ppb->ppc_lock);  in ppbus_setup_intr()
456 	ppbdev->intr_hook = ihand;  in ppbus_setup_intr()
457 	ppbdev->intr_arg = arg;  in ppbus_setup_intr()
459 	mtx_unlock(ppb->ppc_lock);  in ppbus_setup_intr()
470 	mtx_lock(ppb->ppc_lock);  in ppbus_teardown_intr()
471 	if (ppbdev != ih || ppb->ppc_irq_res != r) {  in ppbus_teardown_intr()
472 		mtx_unlock(ppb->ppc_lock);  in ppbus_teardown_intr()
476 	ppbdev->intr_hook = NULL;  in ppbus_teardown_intr()
477 	mtx_unlock(ppb->ppc_lock);  in ppbus_teardown_intr()
496 	mtx_assert(ppb->ppc_lock, MA_OWNED);  in ppb_request_bus()
498 		if (ppb->ppb_owner) {  in ppb_request_bus()
501 				error = mtx_sleep(ppb, ppb->ppc_lock,  in ppb_request_bus()
506 				error = mtx_sleep(ppb, ppb->ppc_lock, PPBPRI,  in ppb_request_bus()
515 			ppb->ppb_owner = dev;  in ppb_request_bus()
520 			 * drivers that do not set there operating mode  in ppb_request_bus()
523 			if (ppbdev->ctx.valid)  in ppb_request_bus()
524 				ppb_set_mode(bus, ppbdev->ctx.mode);  in ppb_request_bus()
544 	mtx_assert(ppb->ppc_lock, MA_OWNED);  in ppb_release_bus()
545 	if (ppb->ppb_owner != dev)  in ppb_release_bus()
549 	ppbdev->ctx.mode = ppb_get_mode(bus);  in ppb_release_bus()
552 	ppbdev->ctx.valid = 1;  in ppb_release_bus()
554 	ppb->ppb_owner = 0;  in ppb_release_bus()