54 	struct pps_device *pps = file->private_data;  in pps_cdev_poll()  local
56 	poll_wait(file, &pps->queue, wait);  in pps_cdev_poll()
63 	struct pps_device *pps = file->private_data;  in pps_cdev_fasync()  local
64 	return fasync_helper(fd, file, on, &pps->async_queue);  in pps_cdev_fasync()
67 static int pps_cdev_pps_fetch(struct pps_device *pps, struct pps_fdata *fdata)  in pps_cdev_pps_fetch()  argument
69 	unsigned int ev = pps->last_ev;  in pps_cdev_pps_fetch()
74 		err = wait_event_interruptible(pps->queue,  in pps_cdev_pps_fetch()
75 				ev != pps->last_ev);  in pps_cdev_pps_fetch()
79 		dev_dbg(pps->dev, "timeout %lld.%09d\n",  in pps_cdev_pps_fetch()
87 					pps->queue,  in pps_cdev_pps_fetch()
88 					ev != pps->last_ev,  in pps_cdev_pps_fetch()
97 		dev_dbg(pps->dev, "pending signal caught\n");  in pps_cdev_pps_fetch()
107 	struct pps_device *pps = file->private_data;  in pps_cdev_ioctl()  local
115 		dev_dbg(pps->dev, "PPS_GETPARAMS\n");  in pps_cdev_ioctl()
117 		spin_lock_irq(&pps->lock);  in pps_cdev_ioctl()
120 		params = pps->params;  in pps_cdev_ioctl()
122 		spin_unlock_irq(&pps->lock);  in pps_cdev_ioctl()
131 		dev_dbg(pps->dev, "PPS_SETPARAMS\n");  in pps_cdev_ioctl()
141 			dev_dbg(pps->dev, "capture mode unspecified (%x)\n",  in pps_cdev_ioctl()
147 		if ((params.mode & ~pps->info.mode) != 0) {  in pps_cdev_ioctl()
148 			dev_dbg(pps->dev, "unsupported capabilities (%x)\n",  in pps_cdev_ioctl()
153 		spin_lock_irq(&pps->lock);  in pps_cdev_ioctl()
156 		pps->params = params;  in pps_cdev_ioctl()
161 			dev_dbg(pps->dev, "time format unspecified (%x)\n",  in pps_cdev_ioctl()
163 			pps->params.mode |= PPS_TSFMT_TSPEC;  in pps_cdev_ioctl()
165 		if (pps->info.mode & PPS_CANWAIT)  in pps_cdev_ioctl()
166 			pps->params.mode |= PPS_CANWAIT;  in pps_cdev_ioctl()
167 		pps->params.api_version = PPS_API_VERS;  in pps_cdev_ioctl()
169 		spin_unlock_irq(&pps->lock);  in pps_cdev_ioctl()
174 		dev_dbg(pps->dev, "PPS_GETCAP\n");  in pps_cdev_ioctl()
176 		err = put_user(pps->info.mode, iuarg);  in pps_cdev_ioctl()
185 		dev_dbg(pps->dev, "PPS_FETCH\n");  in pps_cdev_ioctl()
191 		err = pps_cdev_pps_fetch(pps, &fdata);  in pps_cdev_ioctl()
196 		spin_lock_irq(&pps->lock);  in pps_cdev_ioctl()
198 		fdata.info.assert_sequence = pps->assert_sequence;  in pps_cdev_ioctl()
199 		fdata.info.clear_sequence = pps->clear_sequence;  in pps_cdev_ioctl()
200 		fdata.info.assert_tu = pps->assert_tu;  in pps_cdev_ioctl()
201 		fdata.info.clear_tu = pps->clear_tu;  in pps_cdev_ioctl()
202 		fdata.info.current_mode = pps->current_mode;  in pps_cdev_ioctl()
204 		spin_unlock_irq(&pps->lock);  in pps_cdev_ioctl()
215 		dev_dbg(pps->dev, "PPS_KC_BIND\n");  in pps_cdev_ioctl()
226 		if ((bind_args.edge & ~pps->info.mode) != 0) {  in pps_cdev_ioctl()
227 			dev_err(pps->dev, "unsupported capabilities (%x)\n",  in pps_cdev_ioctl()
236 			dev_err(pps->dev, "invalid kernel consumer bind"  in pps_cdev_ioctl()
241 		err = pps_kc_bind(pps, &bind_args);  in pps_cdev_ioctl()
258 	struct pps_device *pps = file->private_data;  in pps_cdev_compat_ioctl()  local
268 		dev_dbg(pps->dev, "PPS_FETCH\n");  in pps_cdev_compat_ioctl()
277 		err = pps_cdev_pps_fetch(pps, &fdata);  in pps_cdev_compat_ioctl()
282 		spin_lock_irq(&pps->lock);  in pps_cdev_compat_ioctl()
284 		compat.info.assert_sequence = pps->assert_sequence;  in pps_cdev_compat_ioctl()
285 		compat.info.clear_sequence = pps->clear_sequence;  in pps_cdev_compat_ioctl()
286 		compat.info.current_mode = pps->current_mode;  in pps_cdev_compat_ioctl()
288 		memcpy(&compat.info.assert_tu, &pps->assert_tu,  in pps_cdev_compat_ioctl()
290 		memcpy(&compat.info.clear_tu, &pps->clear_tu,  in pps_cdev_compat_ioctl()
293 		spin_unlock_irq(&pps->lock);  in pps_cdev_compat_ioctl()
307 	struct pps_device *pps = container_of(inode->i_cdev,  in pps_cdev_open()  local
309 	file->private_data = pps;  in pps_cdev_open()
310 	kobject_get(&pps->dev->kobj);  in pps_cdev_open()
316 	struct pps_device *pps = container_of(inode->i_cdev,  in pps_cdev_release()  local
318 	kobject_put(&pps->dev->kobj);  in pps_cdev_release()
339 	struct pps_device *pps = dev_get_drvdata(dev);  in pps_device_destruct()  local
341 	cdev_del(&pps->cdev);  in pps_device_destruct()
344 	pr_debug("deallocating pps%d\n", pps->id);  in pps_device_destruct()
346 	idr_remove(&pps_idr, pps->id);  in pps_device_destruct()
350 	kfree(pps);  in pps_device_destruct()
353 int pps_register_cdev(struct pps_device *pps)  in pps_register_cdev()  argument
363 	err = idr_alloc(&pps_idr, pps, 0, PPS_MAX_SOURCES, GFP_KERNEL);  in pps_register_cdev()
367 			       pps->info.name);  in pps_register_cdev()
372 	pps->id = err;  in pps_register_cdev()
375 	devt = MKDEV(MAJOR(pps_devt), pps->id);  in pps_register_cdev()
377 	cdev_init(&pps->cdev, &pps_cdev_fops);  in pps_register_cdev()
378 	pps->cdev.owner = pps->info.owner;  in pps_register_cdev()
380 	err = cdev_add(&pps->cdev, devt, 1);  in pps_register_cdev()
383 				pps->info.name, MAJOR(pps_devt), pps->id);  in pps_register_cdev()
386 	pps->dev = device_create(pps_class, pps->info.dev, devt, pps,  in pps_register_cdev()
387 							"pps%d", pps->id);  in pps_register_cdev()
388 	if (IS_ERR(pps->dev)) {  in pps_register_cdev()
389 		err = PTR_ERR(pps->dev);  in pps_register_cdev()
394 	pps->dev->release = pps_device_destruct;  in pps_register_cdev()
396 	pr_debug("source %s got cdev (%d:%d)\n", pps->info.name,  in pps_register_cdev()
397 			MAJOR(pps_devt), pps->id);  in pps_register_cdev()
402 	cdev_del(&pps->cdev);  in pps_register_cdev()
406 	idr_remove(&pps_idr, pps->id);  in pps_register_cdev()
412 void pps_unregister_cdev(struct pps_device *pps)  in pps_unregister_cdev()  argument
414 	pr_debug("unregistering pps%d\n", pps->id);  in pps_unregister_cdev()
415 	pps->lookup_cookie = NULL;  in pps_unregister_cdev()
416 	device_destroy(pps_class, pps->dev->devt);  in pps_unregister_cdev()
439 	struct pps_device *pps;  in pps_lookup_dev()  local
443 	idr_for_each_entry(&pps_idr, pps, id)  in pps_lookup_dev()
444 		if (cookie == pps->lookup_cookie)  in pps_lookup_dev()
447 	return pps;  in pps_lookup_dev()