1 // SPDX-License-Identifier: GPL-2.0
2 /*
3  * Support for Intel Camera Imaging ISP subsystem.
4  * Copyright (c) 2010 - 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 "ia_css_bayer_io.host.h"
17 #include "dma.h"
18 #include "math_support.h"
19 #ifndef IA_CSS_NO_DEBUG
20 #include "ia_css_debug.h"
21 #endif
22 #include "ia_css_isp_params.h"
23 #include "ia_css_frame.h"
24 
ia_css_bayer_io_config(const struct ia_css_binary * binary,const struct sh_css_binary_args * args)25 int ia_css_bayer_io_config(const struct ia_css_binary      *binary,
26 			   const struct sh_css_binary_args *args)
27 {
28 	const struct ia_css_frame *in_frame = args->in_frame;
29 	const struct ia_css_frame **out_frames = (const struct ia_css_frame **)
30 		&args->out_frame;
31 	const struct ia_css_frame_info *in_frame_info = ia_css_frame_get_info(in_frame);
32 	const unsigned int ddr_bits_per_element = sizeof(short) * 8;
33 	const unsigned int ddr_elems_per_word = ceil_div(HIVE_ISP_DDR_WORD_BITS,
34 						ddr_bits_per_element);
35 	unsigned int size_get = 0, size_put = 0;
36 	unsigned int offset = 0;
37 	int ret;
38 
39 	if (binary->info->mem_offsets.offsets.param) {
40 		size_get = binary->info->mem_offsets.offsets.param->dmem.get.size;
41 		offset = binary->info->mem_offsets.offsets.param->dmem.get.offset;
42 	}
43 
44 	if (size_get) {
45 		struct ia_css_common_io_config *to = (struct ia_css_common_io_config *)
46 						     &binary->mem_params.params[IA_CSS_PARAM_CLASS_PARAM][IA_CSS_ISP_DMEM].address[offset];
47 		struct dma_port_config config;
48 #ifndef IA_CSS_NO_DEBUG
49 		ia_css_debug_dtrace(IA_CSS_DEBUG_TRACE_PRIVATE,
50 				    "ia_css_bayer_io_config() get part enter:\n");
51 #endif
52 
53 		ret = ia_css_dma_configure_from_info(&config, in_frame_info);
54 		if (ret)
55 			return ret;
56 		// The base_address of the input frame will be set in the ISP
57 		to->width = in_frame_info->res.width;
58 		to->height = in_frame_info->res.height;
59 		to->stride = config.stride;
60 		to->ddr_elems_per_word = ddr_elems_per_word;
61 #ifndef IA_CSS_NO_DEBUG
62 		ia_css_debug_dtrace(IA_CSS_DEBUG_TRACE_PRIVATE,
63 				    "ia_css_bayer_io_config() get part leave:\n");
64 #endif
65 	}
66 
67 	if (binary->info->mem_offsets.offsets.param) {
68 		size_put = binary->info->mem_offsets.offsets.param->dmem.put.size;
69 		offset = binary->info->mem_offsets.offsets.param->dmem.put.offset;
70 	}
71 
72 	if (size_put) {
73 		struct ia_css_common_io_config *to = (struct ia_css_common_io_config *)
74 						     &binary->mem_params.params[IA_CSS_PARAM_CLASS_PARAM][IA_CSS_ISP_DMEM].address[offset];
75 		struct dma_port_config config;
76 #ifndef IA_CSS_NO_DEBUG
77 		ia_css_debug_dtrace(IA_CSS_DEBUG_TRACE_PRIVATE,
78 				    "ia_css_bayer_io_config() put part enter:\n");
79 #endif
80 
81 		ret = ia_css_dma_configure_from_info(&config, &out_frames[0]->frame_info);
82 		if (ret)
83 			return ret;
84 		to->base_address = out_frames[0]->data;
85 		to->width = out_frames[0]->frame_info.res.width;
86 		to->height = out_frames[0]->frame_info.res.height;
87 		to->stride = config.stride;
88 		to->ddr_elems_per_word = ddr_elems_per_word;
89 
90 #ifndef IA_CSS_NO_DEBUG
91 		ia_css_debug_dtrace(IA_CSS_DEBUG_TRACE_PRIVATE,
92 				    "ia_css_bayer_io_config() put part leave:\n");
93 #endif
94 	}
95 	return 0;
96 }
97