1 /* 2 * Support for Intel Camera Imaging ISP subsystem. 3 * Copyright (c) 2015, Intel Corporation. 4 * 5 * This program is free software; you can redistribute it and/or modify it 6 * under the terms and conditions of the GNU General Public License, 7 * version 2, as published by the Free Software Foundation. 8 * 9 * This program is distributed in the hope it will be useful, but WITHOUT 10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for 12 * more details. 13 */ 14 15 #include <assert_support.h> 16 #include <ia_css_frame_public.h> 17 #include <ia_css_frame.h> 18 #include <ia_css_binary.h> 19 #define IA_CSS_INCLUDE_CONFIGURATIONS 20 #include "ia_css_isp_configs.h" 21 #include "isp.h" 22 #include "ia_css_ref.host.h" 23 24 void 25 ia_css_ref_config( 26 struct sh_css_isp_ref_isp_config *to, 27 const struct ia_css_ref_configuration *from, 28 unsigned int size) 29 { 30 unsigned int elems_a = ISP_VEC_NELEMS, i; 31 32 (void)size; 33 ia_css_dma_configure_from_info(&to->port_b, &from->ref_frames[0]->info); 34 to->width_a_over_b = elems_a / to->port_b.elems; 35 to->dvs_frame_delay = from->dvs_frame_delay; 36 for (i = 0; i < MAX_NUM_VIDEO_DELAY_FRAMES; i++) { 37 if (from->ref_frames[i]) { 38 to->ref_frame_addr_y[i] = from->ref_frames[i]->data + 39 from->ref_frames[i]->planes.yuv.y.offset; 40 to->ref_frame_addr_c[i] = from->ref_frames[i]->data + 41 from->ref_frames[i]->planes.yuv.u.offset; 42 } else { 43 to->ref_frame_addr_y[i] = 0; 44 to->ref_frame_addr_c[i] = 0; 45 } 46 } 47 48 /* Assume divisiblity here, may need to generalize to fixed point. */ 49 assert(elems_a % to->port_b.elems == 0); 50 } 51 52 void 53 ia_css_ref_configure( 54 const struct ia_css_binary *binary, 55 const struct ia_css_frame * const *ref_frames, 56 const uint32_t dvs_frame_delay) 57 { 58 struct ia_css_ref_configuration config; 59 unsigned int i; 60 61 for (i = 0; i < MAX_NUM_VIDEO_DELAY_FRAMES; i++) 62 config.ref_frames[i] = ref_frames[i]; 63 config.dvs_frame_delay = dvs_frame_delay; 64 ia_css_configure_ref(binary, &config); 65 } 66 67 void 68 ia_css_init_ref_state( 69 struct sh_css_isp_ref_dmem_state *state, 70 unsigned int size) 71 { 72 (void)size; 73 assert(MAX_NUM_VIDEO_DELAY_FRAMES >= 2); 74 state->ref_in_buf_idx = 0; 75 state->ref_out_buf_idx = 1; 76 } 77