1 files changed, 36 insertions, 0 deletions
diff --git a/drivers/media/platform/verisilicon/rockchip_av1_filmgrain.h b/drivers/media/platform/verisilicon/rockchip_av1_filmgrain.h
new file mode 100644
index 000000000000..31a8b7920c31
--- /dev/null
+++ b/drivers/media/platform/verisilicon/rockchip_av1_filmgrain.h
@@ -0,0 +1,36 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+
+#ifndef _ROCKCHIP_AV1_FILMGRAIN_H_
+#define _ROCKCHIP_AV1_FILMGRAIN_H_
+
+#include <linux/types.h>
+
+void rockchip_av1_generate_luma_grain_block(s32 (*luma_grain_block)[73][82],
+					    s32 bitdepth,
+					    u8 num_y_points,
+					    s32 grain_scale_shift,
+					    s32 ar_coeff_lag,
+					    s32 (*ar_coeffs_y)[24],
+					    s32 ar_coeff_shift,
+					    s32 grain_min,
+					    s32 grain_max,
+					    u16 random_seed);
+
+void rockchip_av1_generate_chroma_grain_block(s32 (*luma_grain_block)[73][82],
+					      s32 (*cb_grain_block)[38][44],
+					      s32 (*cr_grain_block)[38][44],
+					      s32 bitdepth,
+					      u8 num_y_points,
+					      u8 num_cb_points,
+					      u8 num_cr_points,
+					      s32 grain_scale_shift,
+					      s32 ar_coeff_lag,
+					      s32 (*ar_coeffs_cb)[25],
+					      s32 (*ar_coeffs_cr)[25],
+					      s32 ar_coeff_shift,
+					      s32 grain_min,
+					      s32 grain_max,
+					      u8 chroma_scaling_from_luma,
+					      u16 random_seed);
+
+#endif