58 void ci_get_data(struct dvb_ringbuffer *cibuf, u8 *data, int len)  in ci_get_data()  argument
60 	if (dvb_ringbuffer_free(cibuf) < len + 2)  in ci_get_data()
63 	DVB_RINGBUFFER_WRITE_BYTE(cibuf, len >> 8);  in ci_get_data()
64 	DVB_RINGBUFFER_WRITE_BYTE(cibuf, len & 0xff);  in ci_get_data()
65 	dvb_ringbuffer_write(cibuf, data, len);  in ci_get_data()
66 	wake_up_interruptible(&cibuf->queue);  in ci_get_data()
107 static int ci_ll_reset(struct dvb_ringbuffer *cibuf, struct file *file,  in ci_ll_reset()  argument
119 	if (dvb_ringbuffer_free(cibuf) < len)  in ci_ll_reset()
125 			dvb_ringbuffer_write(cibuf, msg, 8);  in ci_ll_reset()
133 static ssize_t ci_ll_write(struct dvb_ringbuffer *cibuf, struct file *file,  in ci_ll_write()  argument
152 	free = dvb_ringbuffer_free(cibuf);  in ci_ll_write()
158 		if (wait_event_interruptible(cibuf->queue,  in ci_ll_write()
159 					     (dvb_ringbuffer_free(cibuf) >= count + 2)))  in ci_ll_write()
163 	DVB_RINGBUFFER_WRITE_BYTE(cibuf, count >> 8);  in ci_ll_write()
164 	DVB_RINGBUFFER_WRITE_BYTE(cibuf, count & 0xff);  in ci_ll_write()
166 	res = dvb_ringbuffer_write(cibuf, page, count);  in ci_ll_write()
172 static ssize_t ci_ll_read(struct dvb_ringbuffer *cibuf, struct file *file,  in ci_ll_read()  argument
179 	if (!cibuf->data || !count)  in ci_ll_read()
181 	if (non_blocking && (dvb_ringbuffer_empty(cibuf)))  in ci_ll_read()
183 	if (wait_event_interruptible(cibuf->queue,  in ci_ll_read()
184 				     !dvb_ringbuffer_empty(cibuf)))  in ci_ll_read()
186 	avail = dvb_ringbuffer_avail(cibuf);  in ci_ll_read()
189 	len = DVB_RINGBUFFER_PEEK(cibuf, 0) << 8;  in ci_ll_read()
190 	len |= DVB_RINGBUFFER_PEEK(cibuf, 1);  in ci_ll_read()
193 	DVB_RINGBUFFER_SKIP(cibuf, 2);  in ci_ll_read()
195 	return dvb_ringbuffer_read_user(cibuf, buf, len);  in ci_ll_read()