media/common/btcx-risc.h

0001 /* SPDX-License-Identifier: GPL-2.0 */
0002 /*
0003  */
0004 struct btcx_riscmem {
0005     unsigned int   size;
0006     __le32         *cpu;
0007     __le32         *jmp;
0008     dma_addr_t     dma;
0009 };
0010
0011 struct btcx_skiplist {
0012     int start;
0013     int end;
0014 };
0015
0016 int  btcx_riscmem_alloc(struct pci_dev *pci,
0017             struct btcx_riscmem *risc,
0018             unsigned int size);
0019 void btcx_riscmem_free(struct pci_dev *pci,
0020                struct btcx_riscmem *risc);
0021
0022 int btcx_screen_clips(int swidth, int sheight, struct v4l2_rect *win,
0023               struct v4l2_clip *clips, unsigned int n);
0024 int btcx_align(struct v4l2_rect *win, struct v4l2_clip *clips,
0025            unsigned int n, int mask);
0026 void btcx_sort_clips(struct v4l2_clip *clips, unsigned int nclips);
0027 void btcx_calc_skips(int line, int width, int *maxy,
0028              struct btcx_skiplist *skips, unsigned int *nskips,
0029              const struct v4l2_clip *clips, unsigned int nclips);