1 // SPDX-License-Identifier: GPL-2.0 2 /* 3 * Support for Intel Camera Imaging ISP subsystem. 4 * Copyright (c) 2015, Intel Corporation. 5 * 6 * This program is free software; you can redistribute it and/or modify it 7 * under the terms and conditions of the GNU General Public License, 8 * version 2, as published by the Free Software Foundation. 9 * 10 * This program is distributed in the hope it will be useful, but WITHOUT 11 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 12 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for 13 * more details. 14 */ 15 16 #include <assert_support.h> 17 #include <ia_css_frame_public.h> 18 #include <ia_css_frame.h> 19 #include <ia_css_binary.h> 20 #define IA_CSS_INCLUDE_CONFIGURATIONS 21 #include "ia_css_isp_configs.h" 22 #include "isp.h" 23 #include "ia_css_ref.host.h" 24 25 int ia_css_ref_config(struct sh_css_isp_ref_isp_config *to, 26 const struct ia_css_ref_configuration *from, 27 unsigned int size) 28 { 29 unsigned int elems_a = ISP_VEC_NELEMS, i; 30 int ret; 31 32 if (from->ref_frames[0]) { 33 ret = ia_css_dma_configure_from_info(&to->port_b, &from->ref_frames[0]->info); 34 if (ret) 35 return ret; 36 to->width_a_over_b = elems_a / to->port_b.elems; 37 to->dvs_frame_delay = from->dvs_frame_delay; 38 } else { 39 to->width_a_over_b = 1; 40 to->dvs_frame_delay = 0; 41 to->port_b.elems = elems_a; 42 } 43 for (i = 0; i < MAX_NUM_VIDEO_DELAY_FRAMES; i++) { 44 if (from->ref_frames[i]) { 45 to->ref_frame_addr_y[i] = from->ref_frames[i]->data + 46 from->ref_frames[i]->planes.yuv.y.offset; 47 to->ref_frame_addr_c[i] = from->ref_frames[i]->data + 48 from->ref_frames[i]->planes.yuv.u.offset; 49 } else { 50 to->ref_frame_addr_y[i] = 0; 51 to->ref_frame_addr_c[i] = 0; 52 } 53 } 54 55 /* Assume divisiblity here, may need to generalize to fixed point. */ 56 if (elems_a % to->port_b.elems != 0) 57 return -EINVAL; 58 59 return 0; 60 } 61 62 int ia_css_ref_configure(const struct ia_css_binary *binary, 63 const struct ia_css_frame * const *ref_frames, 64 const uint32_t dvs_frame_delay) 65 { 66 struct ia_css_ref_configuration config; 67 unsigned int i; 68 69 for (i = 0; i < MAX_NUM_VIDEO_DELAY_FRAMES; i++) 70 config.ref_frames[i] = ref_frames[i]; 71 72 config.dvs_frame_delay = dvs_frame_delay; 73 74 return ia_css_configure_ref(binary, &config); 75 } 76 77 void 78 ia_css_init_ref_state( 79 struct sh_css_isp_ref_dmem_state *state, 80 unsigned int size) 81 { 82 (void)size; 83 assert(MAX_NUM_VIDEO_DELAY_FRAMES >= 2); 84 state->ref_in_buf_idx = 0; 85 state->ref_out_buf_idx = 1; 86 } 87