1struct btcx_riscmem { 2 unsigned int size; 3 __le32 *cpu; 4 __le32 *jmp; 5 dma_addr_t dma; 6}; 7 8struct btcx_skiplist { 9 int start; 10 int end; 11}; 12 13int btcx_riscmem_alloc(struct pci_dev *pci, 14 struct btcx_riscmem *risc, 15 unsigned int size); 16void btcx_riscmem_free(struct pci_dev *pci, 17 struct btcx_riscmem *risc); 18 19int btcx_screen_clips(int swidth, int sheight, struct v4l2_rect *win, 20 struct v4l2_clip *clips, unsigned int n); 21int btcx_align(struct v4l2_rect *win, struct v4l2_clip *clips, 22 unsigned int n, int mask); 23void btcx_sort_clips(struct v4l2_clip *clips, unsigned int nclips); 24void 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); 27