Lines Matching refs:pps
40 struct pps_device *pps = file->private_data; in pps_cdev_poll() local
42 poll_wait(file, &pps->queue, wait); in pps_cdev_poll()
44 if (pps->last_fetched_ev == pps->last_ev) in pps_cdev_poll()
52 struct pps_device *pps = file->private_data; in pps_cdev_fasync() local
53 return fasync_helper(fd, file, on, &pps->async_queue); in pps_cdev_fasync()
56 static int pps_cdev_pps_fetch(struct pps_device *pps, struct pps_fdata *fdata) in pps_cdev_pps_fetch() argument
58 unsigned int ev = pps->last_ev; in pps_cdev_pps_fetch()
63 err = wait_event_interruptible(pps->queue, in pps_cdev_pps_fetch()
64 ev != pps->last_ev); in pps_cdev_pps_fetch()
68 dev_dbg(&pps->dev, "timeout %lld.%09d\n", in pps_cdev_pps_fetch()
76 pps->queue, in pps_cdev_pps_fetch()
77 ev != pps->last_ev, in pps_cdev_pps_fetch()
86 dev_dbg(&pps->dev, "pending signal caught\n"); in pps_cdev_pps_fetch()
96 struct pps_device *pps = file->private_data; in pps_cdev_ioctl() local
104 dev_dbg(&pps->dev, "PPS_GETPARAMS\n"); in pps_cdev_ioctl()
106 spin_lock_irq(&pps->lock); in pps_cdev_ioctl()
109 params = pps->params; in pps_cdev_ioctl()
111 spin_unlock_irq(&pps->lock); in pps_cdev_ioctl()
120 dev_dbg(&pps->dev, "PPS_SETPARAMS\n"); in pps_cdev_ioctl()
130 dev_dbg(&pps->dev, "capture mode unspecified (%x)\n", in pps_cdev_ioctl()
136 if ((params.mode & ~pps->info.mode) != 0) { in pps_cdev_ioctl()
137 dev_dbg(&pps->dev, "unsupported capabilities (%x)\n", in pps_cdev_ioctl()
142 spin_lock_irq(&pps->lock); in pps_cdev_ioctl()
145 pps->params = params; in pps_cdev_ioctl()
150 dev_dbg(&pps->dev, "time format unspecified (%x)\n", in pps_cdev_ioctl()
152 pps->params.mode |= PPS_TSFMT_TSPEC; in pps_cdev_ioctl()
154 if (pps->info.mode & PPS_CANWAIT) in pps_cdev_ioctl()
155 pps->params.mode |= PPS_CANWAIT; in pps_cdev_ioctl()
156 pps->params.api_version = PPS_API_VERS; in pps_cdev_ioctl()
163 pps->params.assert_off_tu.flags = 0; in pps_cdev_ioctl()
164 pps->params.clear_off_tu.flags = 0; in pps_cdev_ioctl()
166 spin_unlock_irq(&pps->lock); in pps_cdev_ioctl()
171 dev_dbg(&pps->dev, "PPS_GETCAP\n"); in pps_cdev_ioctl()
173 err = put_user(pps->info.mode, iuarg); in pps_cdev_ioctl()
182 dev_dbg(&pps->dev, "PPS_FETCH\n"); in pps_cdev_ioctl()
188 err = pps_cdev_pps_fetch(pps, &fdata); in pps_cdev_ioctl()
193 spin_lock_irq(&pps->lock); in pps_cdev_ioctl()
195 pps->last_fetched_ev = pps->last_ev; in pps_cdev_ioctl()
197 fdata.info.assert_sequence = pps->assert_sequence; in pps_cdev_ioctl()
198 fdata.info.clear_sequence = pps->clear_sequence; in pps_cdev_ioctl()
199 fdata.info.assert_tu = pps->assert_tu; in pps_cdev_ioctl()
200 fdata.info.clear_tu = pps->clear_tu; in pps_cdev_ioctl()
201 fdata.info.current_mode = pps->current_mode; in pps_cdev_ioctl()
203 spin_unlock_irq(&pps->lock); in pps_cdev_ioctl()
214 dev_dbg(&pps->dev, "PPS_KC_BIND\n"); in pps_cdev_ioctl()
225 if ((bind_args.edge & ~pps->info.mode) != 0) { in pps_cdev_ioctl()
226 dev_err(&pps->dev, "unsupported capabilities (%x)\n", in pps_cdev_ioctl()
235 dev_err(&pps->dev, "invalid kernel consumer bind" in pps_cdev_ioctl()
240 err = pps_kc_bind(pps, &bind_args); in pps_cdev_ioctl()
257 struct pps_device *pps = file->private_data; in pps_cdev_compat_ioctl() local
267 dev_dbg(&pps->dev, "PPS_FETCH\n"); in pps_cdev_compat_ioctl()
276 err = pps_cdev_pps_fetch(pps, &fdata); in pps_cdev_compat_ioctl()
281 spin_lock_irq(&pps->lock); in pps_cdev_compat_ioctl()
283 pps->last_fetched_ev = pps->last_ev; in pps_cdev_compat_ioctl()
285 compat.info.assert_sequence = pps->assert_sequence; in pps_cdev_compat_ioctl()
286 compat.info.clear_sequence = pps->clear_sequence; in pps_cdev_compat_ioctl()
287 compat.info.current_mode = pps->current_mode; in pps_cdev_compat_ioctl()
289 memcpy(&compat.info.assert_tu, &pps->assert_tu, in pps_cdev_compat_ioctl()
291 memcpy(&compat.info.clear_tu, &pps->clear_tu, in pps_cdev_compat_ioctl()
294 spin_unlock_irq(&pps->lock); in pps_cdev_compat_ioctl()
308 struct pps_device *pps; in pps_idr_get() local
311 pps = idr_find(&pps_idr, id); in pps_idr_get()
312 if (pps) in pps_idr_get()
313 get_device(&pps->dev); in pps_idr_get()
316 return pps; in pps_idr_get()
321 struct pps_device *pps = pps_idr_get(iminor(inode)); in pps_cdev_open() local
323 if (!pps) in pps_cdev_open()
326 file->private_data = pps; in pps_cdev_open()
332 struct pps_device *pps = file->private_data; in pps_cdev_release() local
334 WARN_ON(pps->id != iminor(inode)); in pps_cdev_release()
335 put_device(&pps->dev); in pps_cdev_release()
355 struct pps_device *pps = dev_get_drvdata(dev); in pps_device_destruct() local
357 pr_debug("deallocating pps%d\n", pps->id); in pps_device_destruct()
358 kfree(pps); in pps_device_destruct()
361 int pps_register_cdev(struct pps_device *pps) in pps_register_cdev() argument
370 err = idr_alloc(&pps_idr, pps, 0, PPS_MAX_SOURCES, GFP_KERNEL); in pps_register_cdev()
374 pps->info.name); in pps_register_cdev()
379 pps->id = err; in pps_register_cdev()
381 pps->dev.class = pps_class; in pps_register_cdev()
382 pps->dev.parent = pps->info.dev; in pps_register_cdev()
383 pps->dev.devt = MKDEV(pps_major, pps->id); in pps_register_cdev()
384 dev_set_drvdata(&pps->dev, pps); in pps_register_cdev()
385 dev_set_name(&pps->dev, "pps%d", pps->id); in pps_register_cdev()
386 err = device_register(&pps->dev); in pps_register_cdev()
391 pps->dev.release = pps_device_destruct; in pps_register_cdev()
393 pr_debug("source %s got cdev (%d:%d)\n", pps->info.name, pps_major, in pps_register_cdev()
394 pps->id); in pps_register_cdev()
396 get_device(&pps->dev); in pps_register_cdev()
401 idr_remove(&pps_idr, pps->id); in pps_register_cdev()
402 put_device(&pps->dev); in pps_register_cdev()
408 void pps_unregister_cdev(struct pps_device *pps) in pps_unregister_cdev() argument
410 pr_debug("unregistering pps%d\n", pps->id); in pps_unregister_cdev()
411 pps->lookup_cookie = NULL; in pps_unregister_cdev()
412 device_destroy(pps_class, pps->dev.devt); in pps_unregister_cdev()
416 idr_remove(&pps_idr, pps->id); in pps_unregister_cdev()
417 put_device(&pps->dev); in pps_unregister_cdev()
446 struct pps_device *pps; in pps_lookup_dev() local
450 idr_for_each_entry(&pps_idr, pps, id) in pps_lookup_dev()
451 if (cookie == pps->lookup_cookie) in pps_lookup_dev()
454 return pps; in pps_lookup_dev()