5 static const s32 gaussian_sequence[2048] = {
195 static inline s32 clamp(s32 value, s32 low, s32 high)  in clamp()
200 static inline s32 round_power_of_two(const s32 val, s32 n)  in round_power_of_two()
202 	const s32 a = (s32)1 << (n - 1);  in round_power_of_two()
227 static inline s32 rockchip_av1_get_random_number(u16 random_register)  in rockchip_av1_get_random_number()
232 void rockchip_av1_generate_luma_grain_block(s32 (*luma_grain_block)[73][82],  in rockchip_av1_generate_luma_grain_block()
233 					    s32 bitdepth,  in rockchip_av1_generate_luma_grain_block()
235 					    s32 grain_scale_shift,  in rockchip_av1_generate_luma_grain_block()
236 					    s32 ar_coeff_lag,  in rockchip_av1_generate_luma_grain_block()
237 					    s32 (*ar_coeffs_y)[24],  in rockchip_av1_generate_luma_grain_block()
238 					    s32 ar_coeff_shift,  in rockchip_av1_generate_luma_grain_block()
239 					    s32 grain_min,  in rockchip_av1_generate_luma_grain_block()
240 					    s32 grain_max,  in rockchip_av1_generate_luma_grain_block()
243 	s32 gauss_sec_shift = 12 - bitdepth + grain_scale_shift;  in rockchip_av1_generate_luma_grain_block()
245 	s32 i, j;  in rockchip_av1_generate_luma_grain_block()
265 			s32 pos = 0;  in rockchip_av1_generate_luma_grain_block()
266 			s32 wsum = 0;  in rockchip_av1_generate_luma_grain_block()
267 			s32 deltarow, deltacol;  in rockchip_av1_generate_luma_grain_block()
288 void rockchip_av1_generate_chroma_grain_block(s32 (*luma_grain_block)[73][82],  in rockchip_av1_generate_chroma_grain_block()
289 					      s32 (*cb_grain_block)[38][44],  in rockchip_av1_generate_chroma_grain_block()
290 					      s32 (*cr_grain_block)[38][44],  in rockchip_av1_generate_chroma_grain_block()
291 					      s32 bitdepth,  in rockchip_av1_generate_chroma_grain_block()
295 					      s32 grain_scale_shift,  in rockchip_av1_generate_chroma_grain_block()
296 					      s32 ar_coeff_lag,  in rockchip_av1_generate_chroma_grain_block()
297 					      s32 (*ar_coeffs_cb)[25],  in rockchip_av1_generate_chroma_grain_block()
298 					      s32 (*ar_coeffs_cr)[25],  in rockchip_av1_generate_chroma_grain_block()
299 					      s32 ar_coeff_shift,  in rockchip_av1_generate_chroma_grain_block()
300 					      s32 grain_min,  in rockchip_av1_generate_chroma_grain_block()
301 					      s32 grain_max,  in rockchip_av1_generate_chroma_grain_block()
305 	s32 gauss_sec_shift = 12 - bitdepth + grain_scale_shift;  in rockchip_av1_generate_chroma_grain_block()
307 	s32 i, j;  in rockchip_av1_generate_chroma_grain_block()
347 			s32 wsum_cb = 0;  in rockchip_av1_generate_chroma_grain_block()
348 			s32 wsum_cr = 0;  in rockchip_av1_generate_chroma_grain_block()
349 			s32 pos = 0;  in rockchip_av1_generate_chroma_grain_block()
350 			s32 deltarow, deltacol;  in rockchip_av1_generate_chroma_grain_block()
369 				s32 av_luma = 0;  in rockchip_av1_generate_chroma_grain_block()
370 				s32 luma_coord_y = (i << 1) - 3;  in rockchip_av1_generate_chroma_grain_block()
371 				s32 luma_coord_x = (j << 1) - 3;  in rockchip_av1_generate_chroma_grain_block()