1
2struct btcx_riscmem {
3 unsigned int size;
4 __le32 *cpu;
5 __le32 *jmp;
6 dma_addr_t dma;
7};
8
9struct btcx_skiplist {
10 int start;
11 int end;
12};
13
14int btcx_riscmem_alloc(struct pci_dev *pci,
15 struct btcx_riscmem *risc,
16 unsigned int size);
17void btcx_riscmem_free(struct pci_dev *pci,
18 struct btcx_riscmem *risc);
19
20int btcx_screen_clips(int swidth, int sheight, struct v4l2_rect *win,
21 struct v4l2_clip *clips, unsigned int n);
22int btcx_align(struct v4l2_rect *win, struct v4l2_clip *clips,
23 unsigned int n, int mask);
24void btcx_sort_clips(struct v4l2_clip *clips, unsigned int nclips);
25void btcx_calc_skips(int line, int width, int *maxy,
26 struct btcx_skiplist *skips, unsigned int *nskips,
27 const struct v4l2_clip *clips, unsigned int nclips);
28
