13 int btcx_riscmem_alloc(struct pci_dev *pci,
14 struct btcx_riscmem *risc,
16 void btcx_riscmem_free(struct pci_dev *pci,
17 struct btcx_riscmem *risc);
19 int btcx_screen_clips(int swidth, int sheight, struct v4l2_rect *win,
20 struct v4l2_clip *clips, unsigned int n);
21 int btcx_align(struct v4l2_rect *win, struct v4l2_clip *clips,
22 unsigned int n, int mask);
23 void btcx_sort_clips(struct v4l2_clip *clips, unsigned int nclips);
24 void btcx_calc_skips(int line, int width, int *maxy,
25 struct btcx_skiplist *skips, unsigned int *nskips,
26 const struct v4l2_clip *clips, unsigned int nclips);