| rjw | 1f88458 | 2022-01-06 17:20:42 +0800 | [diff] [blame^] | 1 | /* SPDX-License-Identifier: GPL-2.0 */ |
| 2 | /* |
| 3 | */ |
| 4 | struct btcx_riscmem { |
| 5 | unsigned int size; |
| 6 | __le32 *cpu; |
| 7 | __le32 *jmp; |
| 8 | dma_addr_t dma; |
| 9 | }; |
| 10 | |
| 11 | struct btcx_skiplist { |
| 12 | int start; |
| 13 | int end; |
| 14 | }; |
| 15 | |
| 16 | int btcx_riscmem_alloc(struct pci_dev *pci, |
| 17 | struct btcx_riscmem *risc, |
| 18 | unsigned int size); |
| 19 | void btcx_riscmem_free(struct pci_dev *pci, |
| 20 | struct btcx_riscmem *risc); |
| 21 | |
| 22 | int btcx_screen_clips(int swidth, int sheight, struct v4l2_rect *win, |
| 23 | struct v4l2_clip *clips, unsigned int n); |
| 24 | int btcx_align(struct v4l2_rect *win, struct v4l2_clip *clips, |
| 25 | unsigned int n, int mask); |
| 26 | void btcx_sort_clips(struct v4l2_clip *clips, unsigned int nclips); |
| 27 | void 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); |