diff options
Diffstat (limited to '')
| -rw-r--r-- | drivers/media/pci/bt8xx/btcx-risc.h | 27 |
1 files changed, 27 insertions, 0 deletions
diff --git a/drivers/media/pci/bt8xx/btcx-risc.h b/drivers/media/pci/bt8xx/btcx-risc.h new file mode 100644 index 000000000..dc774a64c --- /dev/null +++ b/drivers/media/pci/bt8xx/btcx-risc.h @@ -0,0 +1,27 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +struct btcx_riscmem { + unsigned int size; + __le32 *cpu; + __le32 *jmp; + dma_addr_t dma; +}; + +struct btcx_skiplist { + int start; + int end; +}; + +int btcx_riscmem_alloc(struct pci_dev *pci, + struct btcx_riscmem *risc, + unsigned int size); +void btcx_riscmem_free(struct pci_dev *pci, + struct btcx_riscmem *risc); + +int btcx_screen_clips(int swidth, int sheight, struct v4l2_rect *win, + struct v4l2_clip *clips, unsigned int n); +int btcx_align(struct v4l2_rect *win, struct v4l2_clip *clips, + unsigned int n, int mask); +void btcx_sort_clips(struct v4l2_clip *clips, unsigned int nclips); +void btcx_calc_skips(int line, int width, int *maxy, + struct btcx_skiplist *skips, unsigned int *nskips, + const struct v4l2_clip *clips, unsigned int nclips); |