pci/saa7134/saa7134-go7007.c

133 	struct saa7134_go7007 *saa = go->hpi_context;
134 	struct saa7134_dev *dev = saa->dev;
177 	struct saa7134_go7007 *saa = go->hpi_context;
178 	struct saa7134_dev *dev = saa->dev;
205 	struct saa7134_go7007 *saa = go->hpi_context;
206 	struct saa7134_dev *dev = saa->dev;
223 	struct saa7134_go7007 *saa = go->hpi_context;
232 					saa->bottom_dma, PAGE_SIZE, DMA_FROM_DEVICE);
233 		go7007_parse_video_stream(go, saa->bottom, PAGE_SIZE);
234 		saa_writel(SAA7134_RS_BA2(5), saa->bottom_dma);
237 					saa->top_dma, PAGE_SIZE, DMA_FROM_DEVICE);
238 		go7007_parse_video_stream(go, saa->top, PAGE_SIZE);
239 		saa_writel(SAA7134_RS_BA1(5), saa->top_dma);
245 	struct saa7134_go7007 *saa = go->hpi_context;
246 	struct saa7134_dev *dev = saa->dev;
248 	saa->top_dma = dma_map_page(&dev->pci->dev, virt_to_page(saa->top),
250 	if (dma_mapping_error(&dev->pci->dev, saa->top_dma))
252 	saa->bottom_dma = dma_map_page(&dev->pci->dev,
253 			virt_to_page(saa->bottom),
255 	if (dma_mapping_error(&dev->pci->dev, saa->bottom_dma)) {
256 		dma_unmap_page(&dev->pci->dev, saa->top_dma, PAGE_SIZE,
286 	saa_writel(SAA7134_RS_BA1(5), saa->top_dma);
287 	saa_writel(SAA7134_RS_BA2(5), saa->bottom_dma);
303 	struct saa7134_go7007 *saa = go->hpi_context;
306 	if (!saa)
308 	dev = saa->dev;
322 	dma_unmap_page(&dev->pci->dev, saa->top_dma, PAGE_SIZE,
324 	dma_unmap_page(&dev->pci->dev, saa->bottom_dma, PAGE_SIZE,
332 	struct saa7134_go7007 *saa = go->hpi_context;
333 	struct saa7134_dev *dev = saa->dev;
383 	struct saa7134_go7007 *saa = container_of(sd, struct saa7134_go7007, sd);
384 	struct saa7134_dev *dev = saa->dev;
408 	struct saa7134_go7007 *saa;
417 	saa = kzalloc(sizeof(struct saa7134_go7007), GFP_KERNEL);
418 	if (saa == NULL) {
427 	go->hpi_context = saa;
428 	saa->dev = dev;
431 	sd = &saa->sd;
433 	v4l2_set_subdevdata(sd, saa);
437 	saa->top = (u8 *)get_zeroed_page(GFP_KERNEL);
438 	if (!saa->top)
440 	saa->bottom = (u8 *)get_zeroed_page(GFP_KERNEL);
441 	if (!saa->bottom)
464 	if (saa->top)
465 		free_page((unsigned long)saa->top);
466 	if (saa->bottom)
467 		free_page((unsigned long)saa->bottom);
468 	kfree(saa);
476 	struct saa7134_go7007 *saa;
485 	saa = go->hpi_context;
487 	free_page((unsigned long)saa->top);
488 	free_page((unsigned long)saa->bottom);
489 	v4l2_device_unregister_subdev(&saa->sd);
490 	kfree(saa);