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 "sh_css_param_dvs.h"
17 #include <assert_support.h>
18 #include <type_support.h>
19 #include <ia_css_err.h>
20 #include <ia_css_types.h>
21 #include "ia_css_debug.h"
22
23 static struct ia_css_dvs_6axis_config *
alloc_dvs_6axis_table(const struct ia_css_resolution * frame_res,struct ia_css_dvs_6axis_config * dvs_config_src)24 alloc_dvs_6axis_table(const struct ia_css_resolution *frame_res,
25 struct ia_css_dvs_6axis_config *dvs_config_src)
26 {
27 unsigned int width_y = 0;
28 unsigned int height_y = 0;
29 unsigned int width_uv = 0;
30 unsigned int height_uv = 0;
31 int err = 0;
32 struct ia_css_dvs_6axis_config *dvs_config = NULL;
33
34 dvs_config = kvmalloc(sizeof(struct ia_css_dvs_6axis_config),
35 GFP_KERNEL);
36 if (!dvs_config) {
37 IA_CSS_ERROR("out of memory");
38 err = -ENOMEM;
39 } else {
40 /*Initialize new struct with latest config settings*/
41 if (dvs_config_src) {
42 dvs_config->width_y = width_y = dvs_config_src->width_y;
43 dvs_config->height_y = height_y = dvs_config_src->height_y;
44 dvs_config->width_uv = width_uv = dvs_config_src->width_uv;
45 dvs_config->height_uv = height_uv = dvs_config_src->height_uv;
46 IA_CSS_LOG("alloc_dvs_6axis_table Y: W %d H %d", width_y, height_y);
47 } else if (frame_res) {
48 dvs_config->width_y = width_y = DVS_TABLE_IN_BLOCKDIM_X_LUMA(frame_res->width);
49 dvs_config->height_y = height_y = DVS_TABLE_IN_BLOCKDIM_Y_LUMA(
50 frame_res->height);
51 dvs_config->width_uv = width_uv = DVS_TABLE_IN_BLOCKDIM_X_CHROMA(
52 frame_res->width /
53 2); /* UV = Y/2, depens on colour format YUV 4.2.0*/
54 dvs_config->height_uv = height_uv = DVS_TABLE_IN_BLOCKDIM_Y_CHROMA(
55 frame_res->height /
56 2);/* UV = Y/2, depens on colour format YUV 4.2.0*/
57 IA_CSS_LOG("alloc_dvs_6axis_table Y: W %d H %d", width_y, height_y);
58 }
59
60 /* Generate Y buffers */
61 dvs_config->xcoords_y = kvmalloc(width_y * height_y * sizeof(uint32_t),
62 GFP_KERNEL);
63 if (!dvs_config->xcoords_y) {
64 IA_CSS_ERROR("out of memory");
65 err = -ENOMEM;
66 goto exit;
67 }
68
69 dvs_config->ycoords_y = kvmalloc(width_y * height_y * sizeof(uint32_t),
70 GFP_KERNEL);
71 if (!dvs_config->ycoords_y) {
72 IA_CSS_ERROR("out of memory");
73 err = -ENOMEM;
74 goto exit;
75 }
76
77 /* Generate UV buffers */
78 IA_CSS_LOG("UV W %d H %d", width_uv, height_uv);
79
80 dvs_config->xcoords_uv = kvmalloc(width_uv * height_uv * sizeof(uint32_t),
81 GFP_KERNEL);
82 if (!dvs_config->xcoords_uv) {
83 IA_CSS_ERROR("out of memory");
84 err = -ENOMEM;
85 goto exit;
86 }
87
88 dvs_config->ycoords_uv = kvmalloc(width_uv * height_uv * sizeof(uint32_t),
89 GFP_KERNEL);
90 if (!dvs_config->ycoords_uv) {
91 IA_CSS_ERROR("out of memory");
92 err = -ENOMEM;
93 }
94 exit:
95 if (err) {
96 free_dvs_6axis_table(
97 &dvs_config); /* we might have allocated some memory, release this */
98 dvs_config = NULL;
99 }
100 }
101
102 IA_CSS_LEAVE("dvs_config=%p", dvs_config);
103 return dvs_config;
104 }
105
106 static void
init_dvs_6axis_table_from_default(struct ia_css_dvs_6axis_config * dvs_config,const struct ia_css_resolution * dvs_offset)107 init_dvs_6axis_table_from_default(struct ia_css_dvs_6axis_config *dvs_config,
108 const struct ia_css_resolution *dvs_offset)
109 {
110 unsigned int x, y;
111 unsigned int width_y = dvs_config->width_y;
112 unsigned int height_y = dvs_config->height_y;
113 unsigned int width_uv = dvs_config->width_uv;
114 unsigned int height_uv = dvs_config->height_uv;
115
116 IA_CSS_LOG("Env_X=%d, Env_Y=%d, width_y=%d, height_y=%d",
117 dvs_offset->width, dvs_offset->height, width_y, height_y);
118 for (y = 0; y < height_y; y++) {
119 for (x = 0; x < width_y; x++) {
120 dvs_config->xcoords_y[y * width_y + x] = (dvs_offset->width + x *
121 DVS_BLOCKDIM_X) << DVS_COORD_FRAC_BITS;
122 }
123 }
124
125 for (y = 0; y < height_y; y++) {
126 for (x = 0; x < width_y; x++) {
127 dvs_config->ycoords_y[y * width_y + x] = (dvs_offset->height + y *
128 DVS_BLOCKDIM_Y_LUMA) << DVS_COORD_FRAC_BITS;
129 }
130 }
131
132 for (y = 0; y < height_uv; y++) {
133 for (x = 0; x < width_uv;
134 x++) { /* Envelope dimensions set in Ypixels hence offset UV = offset Y/2 */
135 dvs_config->xcoords_uv[y * width_uv + x] = ((dvs_offset->width / 2) + x *
136 DVS_BLOCKDIM_X) << DVS_COORD_FRAC_BITS;
137 }
138 }
139
140 for (y = 0; y < height_uv; y++) {
141 for (x = 0; x < width_uv;
142 x++) { /* Envelope dimensions set in Ypixels hence offset UV = offset Y/2 */
143 dvs_config->ycoords_uv[y * width_uv + x] = ((dvs_offset->height / 2) + y *
144 DVS_BLOCKDIM_Y_CHROMA) <<
145 DVS_COORD_FRAC_BITS;
146 }
147 }
148 }
149
150 static void
init_dvs_6axis_table_from_config(struct ia_css_dvs_6axis_config * dvs_config,struct ia_css_dvs_6axis_config * dvs_config_src)151 init_dvs_6axis_table_from_config(struct ia_css_dvs_6axis_config *dvs_config,
152 struct ia_css_dvs_6axis_config *dvs_config_src)
153 {
154 unsigned int width_y = dvs_config->width_y;
155 unsigned int height_y = dvs_config->height_y;
156 unsigned int width_uv = dvs_config->width_uv;
157 unsigned int height_uv = dvs_config->height_uv;
158
159 memcpy(dvs_config->xcoords_y, dvs_config_src->xcoords_y,
160 (width_y * height_y * sizeof(uint32_t)));
161 memcpy(dvs_config->ycoords_y, dvs_config_src->ycoords_y,
162 (width_y * height_y * sizeof(uint32_t)));
163 memcpy(dvs_config->xcoords_uv, dvs_config_src->xcoords_uv,
164 (width_uv * height_uv * sizeof(uint32_t)));
165 memcpy(dvs_config->ycoords_uv, dvs_config_src->ycoords_uv,
166 (width_uv * height_uv * sizeof(uint32_t)));
167 }
168
169 struct ia_css_dvs_6axis_config *
generate_dvs_6axis_table(const struct ia_css_resolution * frame_res,const struct ia_css_resolution * dvs_offset)170 generate_dvs_6axis_table(const struct ia_css_resolution *frame_res,
171 const struct ia_css_resolution *dvs_offset)
172 {
173 struct ia_css_dvs_6axis_config *dvs_6axis_table;
174
175 assert(frame_res);
176 assert(dvs_offset);
177
178 dvs_6axis_table = alloc_dvs_6axis_table(frame_res, NULL);
179 if (dvs_6axis_table) {
180 init_dvs_6axis_table_from_default(dvs_6axis_table, dvs_offset);
181 return dvs_6axis_table;
182 }
183 return NULL;
184 }
185
186 struct ia_css_dvs_6axis_config *
generate_dvs_6axis_table_from_config(struct ia_css_dvs_6axis_config * dvs_config_src)187 generate_dvs_6axis_table_from_config(struct ia_css_dvs_6axis_config
188 *dvs_config_src)
189 {
190 struct ia_css_dvs_6axis_config *dvs_6axis_table;
191
192 assert(dvs_config_src);
193
194 dvs_6axis_table = alloc_dvs_6axis_table(NULL, dvs_config_src);
195 if (dvs_6axis_table) {
196 init_dvs_6axis_table_from_config(dvs_6axis_table, dvs_config_src);
197 return dvs_6axis_table;
198 }
199 return NULL;
200 }
201
202 void
free_dvs_6axis_table(struct ia_css_dvs_6axis_config ** dvs_6axis_config)203 free_dvs_6axis_table(struct ia_css_dvs_6axis_config **dvs_6axis_config)
204 {
205 if ((dvs_6axis_config) && (*dvs_6axis_config)) {
206 IA_CSS_ENTER_PRIVATE("dvs_6axis_config %p", (*dvs_6axis_config));
207 if ((*dvs_6axis_config)->xcoords_y) {
208 kvfree((*dvs_6axis_config)->xcoords_y);
209 (*dvs_6axis_config)->xcoords_y = NULL;
210 }
211
212 if ((*dvs_6axis_config)->ycoords_y) {
213 kvfree((*dvs_6axis_config)->ycoords_y);
214 (*dvs_6axis_config)->ycoords_y = NULL;
215 }
216
217 /* Free up UV buffers */
218 if ((*dvs_6axis_config)->xcoords_uv) {
219 kvfree((*dvs_6axis_config)->xcoords_uv);
220 (*dvs_6axis_config)->xcoords_uv = NULL;
221 }
222
223 if ((*dvs_6axis_config)->ycoords_uv) {
224 kvfree((*dvs_6axis_config)->ycoords_uv);
225 (*dvs_6axis_config)->ycoords_uv = NULL;
226 }
227
228 IA_CSS_LEAVE_PRIVATE("dvs_6axis_config %p", (*dvs_6axis_config));
229 kvfree(*dvs_6axis_config);
230 *dvs_6axis_config = NULL;
231 }
232 }
233
copy_dvs_6axis_table(struct ia_css_dvs_6axis_config * dvs_config_dst,const struct ia_css_dvs_6axis_config * dvs_config_src)234 void copy_dvs_6axis_table(struct ia_css_dvs_6axis_config *dvs_config_dst,
235 const struct ia_css_dvs_6axis_config *dvs_config_src)
236 {
237 unsigned int width_y;
238 unsigned int height_y;
239 unsigned int width_uv;
240 unsigned int height_uv;
241
242 assert(dvs_config_src);
243 assert(dvs_config_dst);
244 assert(dvs_config_src->xcoords_y);
245 assert(dvs_config_src->xcoords_uv);
246 assert(dvs_config_src->ycoords_y);
247 assert(dvs_config_src->ycoords_uv);
248 assert(dvs_config_src->width_y == dvs_config_dst->width_y);
249 assert(dvs_config_src->width_uv == dvs_config_dst->width_uv);
250 assert(dvs_config_src->height_y == dvs_config_dst->height_y);
251 assert(dvs_config_src->height_uv == dvs_config_dst->height_uv);
252
253 width_y = dvs_config_src->width_y;
254 height_y = dvs_config_src->height_y;
255 width_uv =
256 dvs_config_src->width_uv; /* = Y/2, depens on colour format YUV 4.2.0*/
257 height_uv = dvs_config_src->height_uv;
258
259 memcpy(dvs_config_dst->xcoords_y, dvs_config_src->xcoords_y,
260 (width_y * height_y * sizeof(uint32_t)));
261 memcpy(dvs_config_dst->ycoords_y, dvs_config_src->ycoords_y,
262 (width_y * height_y * sizeof(uint32_t)));
263
264 memcpy(dvs_config_dst->xcoords_uv, dvs_config_src->xcoords_uv,
265 (width_uv * height_uv * sizeof(uint32_t)));
266 memcpy(dvs_config_dst->ycoords_uv, dvs_config_src->ycoords_uv,
267 (width_uv * height_uv * sizeof(uint32_t)));
268 }
269
270 void
ia_css_dvs_statistics_get(enum dvs_statistics_type type,union ia_css_dvs_statistics_host * host_stats,const union ia_css_dvs_statistics_isp * isp_stats)271 ia_css_dvs_statistics_get(enum dvs_statistics_type type,
272 union ia_css_dvs_statistics_host *host_stats,
273 const union ia_css_dvs_statistics_isp *isp_stats)
274 {
275 if (type == DVS_STATISTICS) {
276 ia_css_get_dvs_statistics(host_stats->p_dvs_statistics_host,
277 isp_stats->p_dvs_statistics_isp);
278 } else if (type == DVS2_STATISTICS) {
279 ia_css_get_dvs2_statistics(host_stats->p_dvs2_statistics_host,
280 isp_stats->p_dvs_statistics_isp);
281 }
282 return;
283 }
284