drivers/media/pci/bt8xx/btcx-risc.h

   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);