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 "ia_css_types.h"
17  #include "sh_css_defs.h"
18  #include "ia_css_debug.h"
19  #include "sh_css_frac.h"
20  
21  #include "ia_css_xnr.host.h"
22  
23  const struct ia_css_xnr_config default_xnr_config = {
24  	/* default threshold 6400 translates to 25 on ISP. */
25  	6400
26  };
27  
28  void
ia_css_xnr_table_vamem_encode(struct sh_css_isp_xnr_vamem_params * to,const struct ia_css_xnr_table * from,unsigned int size)29  ia_css_xnr_table_vamem_encode(
30      struct sh_css_isp_xnr_vamem_params *to,
31      const struct ia_css_xnr_table *from,
32      unsigned int size)
33  {
34  	(void)size;
35  	memcpy(&to->xnr,  &from->data, sizeof(to->xnr));
36  }
37  
38  void
ia_css_xnr_encode(struct sh_css_isp_xnr_params * to,const struct ia_css_xnr_config * from,unsigned int size)39  ia_css_xnr_encode(
40      struct sh_css_isp_xnr_params *to,
41      const struct ia_css_xnr_config *from,
42      unsigned int size)
43  {
44  	(void)size;
45  
46  	to->threshold =
47  	    (uint16_t)uDIGIT_FITTING(from->threshold, 16, SH_CSS_ISP_YUV_BITS);
48  }
49  
50  void
ia_css_xnr_table_debug_dtrace(const struct ia_css_xnr_table * config,unsigned int level)51  ia_css_xnr_table_debug_dtrace(
52      const struct ia_css_xnr_table *config,
53      unsigned int level)
54  {
55  	(void)config;
56  	(void)level;
57  }
58  
59  void
ia_css_xnr_debug_dtrace(const struct ia_css_xnr_config * config,unsigned int level)60  ia_css_xnr_debug_dtrace(
61      const struct ia_css_xnr_config *config,
62      unsigned int level)
63  {
64  	ia_css_debug_dtrace(level,
65  			    "config.threshold=%d\n", config->threshold);
66  }
67