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()
70 	struct pps_device *pps = file->private_data;  in pps_cdev_ioctl()  local
78 		dev_dbg(pps->dev, "PPS_GETPARAMS\n");  in pps_cdev_ioctl()
80 		spin_lock_irq(&pps->lock);  in pps_cdev_ioctl()
83 		params = pps->params;  in pps_cdev_ioctl()
85 		spin_unlock_irq(&pps->lock);  in pps_cdev_ioctl()
94 		dev_dbg(pps->dev, "PPS_SETPARAMS\n");  in pps_cdev_ioctl()
104 			dev_dbg(pps->dev, "capture mode unspecified (%x)\n",  in pps_cdev_ioctl()
110 		if ((params.mode & ~pps->info.mode) != 0) {  in pps_cdev_ioctl()
111 			dev_dbg(pps->dev, "unsupported capabilities (%x)\n",  in pps_cdev_ioctl()
116 		spin_lock_irq(&pps->lock);  in pps_cdev_ioctl()
119 		pps->params = params;  in pps_cdev_ioctl()
124 			dev_dbg(pps->dev, "time format unspecified (%x)\n",  in pps_cdev_ioctl()
126 			pps->params.mode |= PPS_TSFMT_TSPEC;  in pps_cdev_ioctl()
128 		if (pps->info.mode & PPS_CANWAIT)  in pps_cdev_ioctl()
129 			pps->params.mode |= PPS_CANWAIT;  in pps_cdev_ioctl()
130 		pps->params.api_version = PPS_API_VERS;  in pps_cdev_ioctl()
132 		spin_unlock_irq(&pps->lock);  in pps_cdev_ioctl()
137 		dev_dbg(pps->dev, "PPS_GETCAP\n");  in pps_cdev_ioctl()
139 		err = put_user(pps->info.mode, iuarg);  in pps_cdev_ioctl()
149 		dev_dbg(pps->dev, "PPS_FETCH\n");  in pps_cdev_ioctl()
155 		ev = pps->last_ev;  in pps_cdev_ioctl()
159 			err = wait_event_interruptible(pps->queue,  in pps_cdev_ioctl()
160 					ev != pps->last_ev);  in pps_cdev_ioctl()
164 			dev_dbg(pps->dev, "timeout %lld.%09d\n",  in pps_cdev_ioctl()
172 						pps->queue,  in pps_cdev_ioctl()
173 						ev != pps->last_ev,  in pps_cdev_ioctl()
182 			dev_dbg(pps->dev, "pending signal caught\n");  in pps_cdev_ioctl()
187 		spin_lock_irq(&pps->lock);  in pps_cdev_ioctl()
189 		fdata.info.assert_sequence = pps->assert_sequence;  in pps_cdev_ioctl()
190 		fdata.info.clear_sequence = pps->clear_sequence;  in pps_cdev_ioctl()
191 		fdata.info.assert_tu = pps->assert_tu;  in pps_cdev_ioctl()
192 		fdata.info.clear_tu = pps->clear_tu;  in pps_cdev_ioctl()
193 		fdata.info.current_mode = pps->current_mode;  in pps_cdev_ioctl()
195 		spin_unlock_irq(&pps->lock);  in pps_cdev_ioctl()
206 		dev_dbg(pps->dev, "PPS_KC_BIND\n");  in pps_cdev_ioctl()
217 		if ((bind_args.edge & ~pps->info.mode) != 0) {  in pps_cdev_ioctl()
218 			dev_err(pps->dev, "unsupported capabilities (%x)\n",  in pps_cdev_ioctl()
227 			dev_err(pps->dev, "invalid kernel consumer bind"  in pps_cdev_ioctl()
232 		err = pps_kc_bind(pps, &bind_args);  in pps_cdev_ioctl()
247 	struct pps_device *pps = container_of(inode->i_cdev,  in pps_cdev_open()  local
249 	file->private_data = pps;  in pps_cdev_open()
250 	kobject_get(&pps->dev->kobj);  in pps_cdev_open()
256 	struct pps_device *pps = container_of(inode->i_cdev,  in pps_cdev_release()  local
258 	kobject_put(&pps->dev->kobj);  in pps_cdev_release()
278 	struct pps_device *pps = dev_get_drvdata(dev);  in pps_device_destruct()  local
280 	cdev_del(&pps->cdev);  in pps_device_destruct()
283 	pr_debug("deallocating pps%d\n", pps->id);  in pps_device_destruct()
285 	idr_remove(&pps_idr, pps->id);  in pps_device_destruct()
289 	kfree(pps);  in pps_device_destruct()
292 int pps_register_cdev(struct pps_device *pps)  in pps_register_cdev()  argument
302 	err = idr_alloc(&pps_idr, pps, 0, PPS_MAX_SOURCES, GFP_KERNEL);  in pps_register_cdev()
306 			       pps->info.name);  in pps_register_cdev()
311 	pps->id = err;  in pps_register_cdev()
314 	devt = MKDEV(MAJOR(pps_devt), pps->id);  in pps_register_cdev()
316 	cdev_init(&pps->cdev, &pps_cdev_fops);  in pps_register_cdev()
317 	pps->cdev.owner = pps->info.owner;  in pps_register_cdev()
319 	err = cdev_add(&pps->cdev, devt, 1);  in pps_register_cdev()
322 				pps->info.name, MAJOR(pps_devt), pps->id);  in pps_register_cdev()
325 	pps->dev = device_create(pps_class, pps->info.dev, devt, pps,  in pps_register_cdev()
326 							"pps%d", pps->id);  in pps_register_cdev()
327 	if (IS_ERR(pps->dev)) {  in pps_register_cdev()
328 		err = PTR_ERR(pps->dev);  in pps_register_cdev()
333 	pps->dev->release = pps_device_destruct;  in pps_register_cdev()
335 	pr_debug("source %s got cdev (%d:%d)\n", pps->info.name,  in pps_register_cdev()
336 			MAJOR(pps_devt), pps->id);  in pps_register_cdev()
341 	cdev_del(&pps->cdev);  in pps_register_cdev()
345 	idr_remove(&pps_idr, pps->id);  in pps_register_cdev()
351 void pps_unregister_cdev(struct pps_device *pps)  in pps_unregister_cdev()  argument
353 	pr_debug("unregistering pps%d\n", pps->id);  in pps_unregister_cdev()
354 	pps->lookup_cookie = NULL;  in pps_unregister_cdev()
355 	device_destroy(pps_class, pps->dev->devt);  in pps_unregister_cdev()
378 	struct pps_device *pps;  in pps_lookup_dev()  local
382 	idr_for_each_entry(&pps_idr, pps, id)  in pps_lookup_dev()
383 		if (cookie == pps->lookup_cookie)  in pps_lookup_dev()
386 	return pps;  in pps_lookup_dev()