31 static int buffer_activate(struct saa7134_dev *dev,  in buffer_activate()  argument
39 	if (!dev->ts_started)  in buffer_activate()
40 		dev->ts_field = V4L2_FIELD_TOP;  in buffer_activate()
44 	if (V4L2_FIELD_TOP == dev->ts_field) {  in buffer_activate()
48 		dev->ts_field = V4L2_FIELD_BOTTOM;  in buffer_activate()
53 		dev->ts_field = V4L2_FIELD_TOP;  in buffer_activate()
57 	saa7134_set_dmabits(dev);  in buffer_activate()
59 	mod_timer(&dev->ts_q.timeout, jiffies+TS_BUFFER_TIMEOUT);  in buffer_activate()
61 	if (!dev->ts_started)  in buffer_activate()
62 		saa7134_ts_start(dev);  in buffer_activate()
84 	struct saa7134_dev *dev = dmaq->dev;  in saa7134_ts_buffer_prepare()  local
92 	lines = dev->ts.nr_packets;  in saa7134_ts_buffer_prepare()
99 	vbuf->field = dev->field;  in saa7134_ts_buffer_prepare()
101 	return saa7134_pgtable_build(dev->pci, &dmaq->pt, dma->sgl, dma->nents,  in saa7134_ts_buffer_prepare()
111 	struct saa7134_dev *dev = dmaq->dev;  in saa7134_ts_queue_setup()  local
112 	int size = TS_PACKET_SIZE * dev->ts.nr_packets;  in saa7134_ts_queue_setup()
115 		*nbuffers = dev->ts.nr_bufs;  in saa7134_ts_queue_setup()
128 	struct saa7134_dev *dev = dmaq->dev;  in saa7134_ts_start_streaming()  local
134 	if (vb2_is_busy(&dev->video_vbq) && dev->fmt->planar) {  in saa7134_ts_start_streaming()
157 	struct saa7134_dev *dev = dmaq->dev;  in saa7134_ts_stop_streaming()  local
159 	saa7134_ts_stop(dev);  in saa7134_ts_stop_streaming()
160 	saa7134_stop_streaming(dev, dmaq);  in saa7134_ts_stop_streaming()
186 int saa7134_ts_init_hw(struct saa7134_dev *dev)  in saa7134_ts_init_hw()  argument
193 	saa_writeb(SAA7134_TS_DMA0, ((dev->ts.nr_packets-1)&0xff));  in saa7134_ts_init_hw()
194 	saa_writeb(SAA7134_TS_DMA1, (((dev->ts.nr_packets-1)>>8)&0xff));  in saa7134_ts_init_hw()
197 		((((dev->ts.nr_packets-1)>>16)&0x3f) | 0x00));  in saa7134_ts_init_hw()
202 int saa7134_ts_init1(struct saa7134_dev *dev)  in saa7134_ts_init1()  argument
213 	dev->ts.nr_bufs    = tsbufs;  in saa7134_ts_init1()
214 	dev->ts.nr_packets = ts_nr_packets;  in saa7134_ts_init1()
216 	INIT_LIST_HEAD(&dev->ts_q.queue);  in saa7134_ts_init1()
217 	timer_setup(&dev->ts_q.timeout, saa7134_buffer_timeout, 0);  in saa7134_ts_init1()
218 	dev->ts_q.dev              = dev;  in saa7134_ts_init1()
219 	dev->ts_q.need_two         = 1;  in saa7134_ts_init1()
220 	dev->ts_started            = 0;  in saa7134_ts_init1()
221 	saa7134_pgtable_alloc(dev->pci, &dev->ts_q.pt);  in saa7134_ts_init1()
224 	saa7134_ts_init_hw(dev);  in saa7134_ts_init1()
230 int saa7134_ts_stop(struct saa7134_dev *dev)  in saa7134_ts_stop()  argument
234 	if (!dev->ts_started)  in saa7134_ts_stop()
238 	switch (saa7134_boards[dev->board].ts_type) {  in saa7134_ts_stop()
241 		dev->ts_started = 0;  in saa7134_ts_stop()
245 		dev->ts_started = 0;  in saa7134_ts_stop()
252 int saa7134_ts_start(struct saa7134_dev *dev)  in saa7134_ts_start()  argument
256 	if (WARN_ON(dev->ts_started))  in saa7134_ts_start()
260 	saa_writeb(SAA7134_TS_DMA0, (dev->ts.nr_packets - 1) & 0xff);  in saa7134_ts_start()
262 		((dev->ts.nr_packets - 1) >> 8) & 0xff);  in saa7134_ts_start()
265 		(((dev->ts.nr_packets - 1) >> 16) & 0x3f) | 0x00);  in saa7134_ts_start()
269 					  (dev->ts_q.pt.dma >> 12));  in saa7134_ts_start()
281 	switch (saa7134_boards[dev->board].ts_type) {  in saa7134_ts_start()
285 			(saa7134_boards[dev->board].ts_force_val << 4));  in saa7134_ts_start()
290 			(saa7134_boards[dev->board].ts_force_val << 4));  in saa7134_ts_start()
296 	dev->ts_started = 1;  in saa7134_ts_start()
301 int saa7134_ts_fini(struct saa7134_dev *dev)  in saa7134_ts_fini()  argument
303 	del_timer_sync(&dev->ts_q.timeout);  in saa7134_ts_fini()
304 	saa7134_pgtable_free(dev->pci, &dev->ts_q.pt);  in saa7134_ts_fini()
308 void saa7134_irq_ts_done(struct saa7134_dev *dev, unsigned long status)  in saa7134_irq_ts_done()  argument
312 	spin_lock(&dev->slock);  in saa7134_irq_ts_done()
313 	if (dev->ts_q.curr) {  in saa7134_irq_ts_done()
314 		field = dev->ts_field;  in saa7134_irq_ts_done()
322 		saa7134_buffer_finish(dev, &dev->ts_q, VB2_BUF_STATE_DONE);  in saa7134_irq_ts_done()
324 	saa7134_buffer_next(dev,&dev->ts_q);  in saa7134_irq_ts_done()
327 	spin_unlock(&dev->slock);  in saa7134_irq_ts_done()