1
2
3
4struct btcx_riscmem {
5 unsigned int size;
6 __le32 *cpu;
7 __le32 *jmp;
8 dma_addr_t dma;
9};
10
11struct btcx_skiplist {
12 int start;
13 int end;
14};
15
16int btcx_riscmem_alloc(struct pci_dev *pci,
17 struct btcx_riscmem *risc,
18 unsigned int size);
19void btcx_riscmem_free(struct pci_dev *pci,
20 struct btcx_riscmem *risc);
21
22int btcx_screen_clips(int swidth, int sheight, struct v4l2_rect *win,
23 struct v4l2_clip *clips, unsigned int n);
24int btcx_align(struct v4l2_rect *win, struct v4l2_clip *clips,
25 unsigned int n, int mask);
26void btcx_sort_clips(struct v4l2_clip *clips, unsigned int nclips);
27void btcx_calc_skips(int line, int width, int *maxy,
28 struct btcx_skiplist *skips, unsigned int *nskips,
29 const struct v4l2_clip *clips, unsigned int nclips);
30
