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);