1 /* SPDX-License-Identifier: GPL-2.0 */ 2 struct btcx_riscmem { 3 unsigned int size; 4 __le32 *cpu; 5 __le32 *jmp; 6 dma_addr_t dma; 7 }; 8 9 struct btcx_skiplist { 10 int start; 11 int end; 12 }; 13 14 int btcx_riscmem_alloc(struct pci_dev *pci, 15 struct btcx_riscmem *risc, 16 unsigned int size); 17 void btcx_riscmem_free(struct pci_dev *pci, 18 struct btcx_riscmem *risc); 19 20 int btcx_screen_clips(int swidth, int sheight, struct v4l2_rect *win, 21 struct v4l2_clip *clips, unsigned int n); 22 int btcx_align(struct v4l2_rect *win, struct v4l2_clip *clips, 23 unsigned int n, int mask); 24 void btcx_sort_clips(struct v4l2_clip *clips, unsigned int nclips); 25 void 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