1*90ca8befSHans Verkuil struct btcx_riscmem { 2*90ca8befSHans Verkuil unsigned int size; 3*90ca8befSHans Verkuil __le32 *cpu; 4*90ca8befSHans Verkuil __le32 *jmp; 5*90ca8befSHans Verkuil dma_addr_t dma; 6*90ca8befSHans Verkuil }; 7*90ca8befSHans Verkuil 8*90ca8befSHans Verkuil struct btcx_skiplist { 9*90ca8befSHans Verkuil int start; 10*90ca8befSHans Verkuil int end; 11*90ca8befSHans Verkuil }; 12*90ca8befSHans Verkuil 13*90ca8befSHans Verkuil int btcx_riscmem_alloc(struct pci_dev *pci, 14*90ca8befSHans Verkuil struct btcx_riscmem *risc, 15*90ca8befSHans Verkuil unsigned int size); 16*90ca8befSHans Verkuil void btcx_riscmem_free(struct pci_dev *pci, 17*90ca8befSHans Verkuil struct btcx_riscmem *risc); 18*90ca8befSHans Verkuil 19*90ca8befSHans Verkuil int btcx_screen_clips(int swidth, int sheight, struct v4l2_rect *win, 20*90ca8befSHans Verkuil struct v4l2_clip *clips, unsigned int n); 21*90ca8befSHans Verkuil int btcx_align(struct v4l2_rect *win, struct v4l2_clip *clips, 22*90ca8befSHans Verkuil unsigned int n, int mask); 23*90ca8befSHans Verkuil void btcx_sort_clips(struct v4l2_clip *clips, unsigned int nclips); 24*90ca8befSHans Verkuil void btcx_calc_skips(int line, int width, int *maxy, 25*90ca8befSHans Verkuil struct btcx_skiplist *skips, unsigned int *nskips, 26*90ca8befSHans Verkuil const struct v4l2_clip *clips, unsigned int nclips); 27