Lines Matching refs:serio_raw
28 struct serio_raw { struct
44 struct serio_raw *serio_raw; argument
62 static struct serio_raw *serio_raw_locate(int minor) in serio_raw_locate()
64 struct serio_raw *serio_raw; in serio_raw_locate() local
66 list_for_each_entry(serio_raw, &serio_raw_list, node) { in serio_raw_locate()
67 if (serio_raw->dev.minor == minor) in serio_raw_locate()
68 return serio_raw; in serio_raw_locate()
76 struct serio_raw *serio_raw; in serio_raw_open() local
80 serio_raw = serio_raw_locate(iminor(inode)); in serio_raw_open()
81 if (!serio_raw) in serio_raw_open()
84 if (serio_raw->dead) in serio_raw_open()
91 client->serio_raw = serio_raw; in serio_raw_open()
94 kref_get(&serio_raw->kref); in serio_raw_open()
96 scoped_guard(serio_pause_rx, serio_raw->serio) in serio_raw_open()
97 list_add_tail(&client->node, &serio_raw->client_list); in serio_raw_open()
107 struct serio_raw *serio_raw = in serio_raw_free() local
108 container_of(kref, struct serio_raw, kref); in serio_raw_free()
110 put_device(&serio_raw->serio->dev); in serio_raw_free()
111 kfree(serio_raw); in serio_raw_free()
117 struct serio_raw *serio_raw = client->serio_raw; in serio_raw_release() local
119 scoped_guard(serio_pause_rx, serio_raw->serio) in serio_raw_release()
124 kref_put(&serio_raw->kref, serio_raw_free); in serio_raw_release()
129 static bool serio_raw_fetch_byte(struct serio_raw *serio_raw, char *c) in serio_raw_fetch_byte() argument
131 guard(serio_pause_rx)(serio_raw->serio); in serio_raw_fetch_byte()
133 if (serio_raw->head == serio_raw->tail) in serio_raw_fetch_byte()
136 *c = serio_raw->queue[serio_raw->tail]; in serio_raw_fetch_byte()
137 serio_raw->tail = (serio_raw->tail + 1) % SERIO_RAW_QUEUE_LEN; in serio_raw_fetch_byte()
146 struct serio_raw *serio_raw = client->serio_raw; in serio_raw_read() local
152 if (serio_raw->dead) in serio_raw_read()
155 if (serio_raw->head == serio_raw->tail && in serio_raw_read()
162 while (read < count && serio_raw_fetch_byte(serio_raw, &c)) { in serio_raw_read()
172 error = wait_event_interruptible(serio_raw->wait, in serio_raw_read()
173 serio_raw->head != serio_raw->tail || in serio_raw_read()
174 serio_raw->dead); in serio_raw_read()
187 struct serio_raw *serio_raw = client->serio_raw; in serio_raw_write() local
192 if (serio_raw->dead) in serio_raw_write()
202 if (serio_write(serio_raw->serio, c)) { in serio_raw_write()
219 struct serio_raw *serio_raw = client->serio_raw; in serio_raw_poll() local
222 poll_wait(file, &serio_raw->wait, wait); in serio_raw_poll()
224 mask = serio_raw->dead ? EPOLLHUP | EPOLLERR : EPOLLOUT | EPOLLWRNORM; in serio_raw_poll()
225 if (serio_raw->head != serio_raw->tail) in serio_raw_poll()
250 struct serio_raw *serio_raw = serio_get_drvdata(serio); in serio_raw_interrupt() local
252 unsigned int head = serio_raw->head; in serio_raw_interrupt()
255 serio_raw->queue[head] = data; in serio_raw_interrupt()
257 if (likely(head != serio_raw->tail)) { in serio_raw_interrupt()
258 serio_raw->head = head; in serio_raw_interrupt()
259 list_for_each_entry(client, &serio_raw->client_list, node) in serio_raw_interrupt()
261 wake_up_interruptible(&serio_raw->wait); in serio_raw_interrupt()
270 struct serio_raw *serio_raw; in serio_raw_connect() local
273 serio_raw = kzalloc(sizeof(*serio_raw), GFP_KERNEL); in serio_raw_connect()
274 if (!serio_raw) { in serio_raw_connect()
279 snprintf(serio_raw->name, sizeof(serio_raw->name), in serio_raw_connect()
281 kref_init(&serio_raw->kref); in serio_raw_connect()
282 INIT_LIST_HEAD(&serio_raw->client_list); in serio_raw_connect()
283 init_waitqueue_head(&serio_raw->wait); in serio_raw_connect()
285 serio_raw->serio = serio; in serio_raw_connect()
288 serio_set_drvdata(serio, serio_raw); in serio_raw_connect()
298 list_add_tail(&serio_raw->node, &serio_raw_list); in serio_raw_connect()
301 serio_raw->dev.minor = PSMOUSE_MINOR; in serio_raw_connect()
302 serio_raw->dev.name = serio_raw->name; in serio_raw_connect()
303 serio_raw->dev.parent = &serio->dev; in serio_raw_connect()
304 serio_raw->dev.fops = &serio_raw_fops; in serio_raw_connect()
306 err = misc_register(&serio_raw->dev); in serio_raw_connect()
308 serio_raw->dev.minor = MISC_DYNAMIC_MINOR; in serio_raw_connect()
309 err = misc_register(&serio_raw->dev); in serio_raw_connect()
320 serio->phys, serio_raw->name, serio_raw->dev.minor); in serio_raw_connect()
324 list_del_init(&serio_raw->node); in serio_raw_connect()
329 kref_put(&serio_raw->kref, serio_raw_free); in serio_raw_connect()
335 struct serio_raw *serio_raw = serio_get_drvdata(serio); in serio_raw_reconnect() local
338 if (!drv || !serio_raw) { in serio_raw_reconnect()
355 static void serio_raw_hangup(struct serio_raw *serio_raw) in serio_raw_hangup() argument
359 scoped_guard(serio_pause_rx, serio_raw->serio) { in serio_raw_hangup()
360 list_for_each_entry(client, &serio_raw->client_list, node) in serio_raw_hangup()
364 wake_up_interruptible(&serio_raw->wait); in serio_raw_hangup()
370 struct serio_raw *serio_raw = serio_get_drvdata(serio); in serio_raw_disconnect() local
372 misc_deregister(&serio_raw->dev); in serio_raw_disconnect()
375 serio_raw->dead = true; in serio_raw_disconnect()
376 list_del_init(&serio_raw->node); in serio_raw_disconnect()
379 serio_raw_hangup(serio_raw); in serio_raw_disconnect()
382 kref_put(&serio_raw->kref, serio_raw_free); in serio_raw_disconnect()