media/av7110/av7110.c

90 MODULE_PARM_DESC(budgetpatch, "use budget-patch hardware modification: default 0 (0 no, 1 autodetect, 2 always)");
1176 /* simplified code from budget-core.c */
1177 static int stop_ts_capture(struct av7110 *budget)
1179 	dprintk(2, "budget: %p\n", budget);
1181 	if (--budget->feeding1)
1182 		return budget->feeding1;
1183 	saa7146_write(budget->dev, MC1, MASK_20);	/* DMA3 off */
1184 	SAA7146_IER_DISABLE(budget->dev, MASK_10);
1185 	SAA7146_ISR_CLEAR(budget->dev, MASK_10);
1189 static int start_ts_capture(struct av7110 *budget)
1193 	dprintk(2, "budget: %p\n", budget);
1195 	if (budget->feeding1)
1196 		return ++budget->feeding1;
1198 		memset(budget->grabbing + y * TS_WIDTH, 0x00, TS_WIDTH);
1199 	budget->ttbp = 0;
1200 	SAA7146_ISR_CLEAR(budget->dev, MASK_10);  /* VPE */
1201 	SAA7146_IER_ENABLE(budget->dev, MASK_10); /* VPE */
1202 	saa7146_write(budget->dev, MC1, (MASK_04 | MASK_20)); /* DMA3 on */
1203 	return ++budget->feeding1;
1209 	struct av7110 *budget = demux->priv;
1212 	dprintk(2, "av7110: %p\n", budget);
1214 	spin_lock(&budget->feedlock1);
1216 	status = start_ts_capture(budget);
1217 	spin_unlock(&budget->feedlock1);
1224 	struct av7110 *budget = demux->priv;
1227 	dprintk(2, "budget: %p\n", budget);
1229 	spin_lock(&budget->feedlock1);
1230 	status = stop_ts_capture(budget);
1231 	spin_unlock(&budget->feedlock1);
1237 	struct av7110 *budget = from_tasklet(budget, t, vpe_tasklet);
1238 	u8 *mem = (u8 *) (budget->grabbing);
1239 	u32 olddma = budget->ttbp;
1240 	u32 newdma = saa7146_read(budget->dev, PCI_VDP3);
1241 	struct dvb_demux *demux = budget->full_ts ? &budget->demux : &budget->demux1;
1249 	budget->ttbp = newdma;
1251 	if (!budget->feeding1 || (newdma == olddma))
1255 	dma_sync_sg_for_cpu(&budget->dev->pci->dev, budget->pt.slist,
1256 			    budget->pt.nents, DMA_FROM_DEVICE);
1262 	       saa7146_read(budget->dev, EC1R) & 0x3fff);
1363 		printk("dvb-ttpci: additional demux1 for budget-patch registered\n");
2298  * GPIO3 is in budget-patch hardware connectd to port B VSYNC
2331  * counting in this budget-patch.c
2335  * hardware debug note: a working budget card (including budget patch)
2346  * The same behaviour of missing VSYNC can be duplicated on budget
2367 		/* autodetect the presence of budget patch
2375 		 * in budget patch GPIO3 is connected to VSYNC_B