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 "hmm.h"
17
18 #include "ia_css_frame_public.h"
19 #define IA_CSS_INCLUDE_CONFIGURATIONS
20 #include "ia_css_isp_configs.h"
21
22 #include "ia_css_types.h"
23 #include "ia_css_host_data.h"
24 #include "sh_css_param_dvs.h"
25 #include "sh_css_params.h"
26 #include "ia_css_binary.h"
27 #include "ia_css_debug.h"
28 #include "assert_support.h"
29
30 #include "ia_css_dvs.host.h"
31
32 static const struct ia_css_dvs_configuration default_config = {
33 .info = (struct ia_css_frame_info *)NULL,
34 };
35
36 void
ia_css_dvs_config(struct sh_css_isp_dvs_isp_config * to,const struct ia_css_dvs_configuration * from,unsigned int size)37 ia_css_dvs_config(
38 struct sh_css_isp_dvs_isp_config *to,
39 const struct ia_css_dvs_configuration *from,
40 unsigned int size)
41 {
42 (void)size;
43 to->num_horizontal_blocks =
44 DVS_NUM_BLOCKS_X(from->info->res.width);
45 to->num_vertical_blocks =
46 DVS_NUM_BLOCKS_Y(from->info->res.height);
47 }
48
49 void
ia_css_dvs_configure(const struct ia_css_binary * binary,const struct ia_css_frame_info * info)50 ia_css_dvs_configure(
51 const struct ia_css_binary *binary,
52 const struct ia_css_frame_info *info)
53 {
54 struct ia_css_dvs_configuration config = default_config;
55
56 config.info = info;
57
58 ia_css_configure_dvs(binary, &config);
59 }
60
61 static void
convert_coords_to_ispparams(struct ia_css_host_data * gdc_warp_table,const struct ia_css_dvs_6axis_config * config,unsigned int i_stride,unsigned int o_width,unsigned int o_height,unsigned int uv_flag)62 convert_coords_to_ispparams(
63 struct ia_css_host_data *gdc_warp_table,
64 const struct ia_css_dvs_6axis_config *config,
65 unsigned int i_stride,
66 unsigned int o_width,
67 unsigned int o_height,
68 unsigned int uv_flag)
69 {
70 unsigned int i, j;
71 gdc_warp_param_mem_t s = { 0 };
72 unsigned int x00, x01, x10, x11,
73 y00, y01, y10, y11;
74
75 unsigned int xmin, ymin, xmax, ymax;
76 unsigned int topleft_x, topleft_y, bottom_x, bottom_y,
77 topleft_x_frac, topleft_y_frac;
78 unsigned int dvs_interp_envelope = (DVS_GDC_INTERP_METHOD == HRT_GDC_BLI_MODE ?
79 DVS_GDC_BLI_INTERP_ENVELOPE : DVS_GDC_BCI_INTERP_ENVELOPE);
80
81 /* number of blocks per height and width */
82 unsigned int num_blocks_y = (uv_flag ? DVS_NUM_BLOCKS_Y_CHROMA(
83 o_height) : DVS_NUM_BLOCKS_Y(o_height));
84 unsigned int num_blocks_x = (uv_flag ? DVS_NUM_BLOCKS_X_CHROMA(
85 o_width) : DVS_NUM_BLOCKS_X(
86 o_width)); // round num_x up to blockdim_x, if it concerns the Y0Y1 block (uv_flag==0) round up to even
87
88 unsigned int in_stride = i_stride * DVS_INPUT_BYTES_PER_PIXEL;
89 unsigned int width, height;
90 unsigned int *xbuff = NULL;
91 unsigned int *ybuff = NULL;
92 struct gdc_warp_param_mem_s *ptr;
93
94 assert(config);
95 assert(gdc_warp_table);
96 assert(gdc_warp_table->address);
97
98 ptr = (struct gdc_warp_param_mem_s *)gdc_warp_table->address;
99
100 ptr += (2 * uv_flag); /* format is Y0 Y1 UV, so UV starts at 3rd position */
101
102 if (uv_flag == 0) {
103 xbuff = config->xcoords_y;
104 ybuff = config->ycoords_y;
105 width = config->width_y;
106 height = config->height_y;
107 } else {
108 xbuff = config->xcoords_uv;
109 ybuff = config->ycoords_uv;
110 width = config->width_uv;
111 height = config->height_uv;
112 }
113
114 IA_CSS_LOG("blockdim_x %d blockdim_y %d",
115 DVS_BLOCKDIM_X, DVS_BLOCKDIM_Y_LUMA >> uv_flag);
116 IA_CSS_LOG("num_blocks_x %d num_blocks_y %d", num_blocks_x, num_blocks_y);
117 IA_CSS_LOG("width %d height %d", width, height);
118
119 assert(width == num_blocks_x +
120 1); // the width and height of the provided morphing table should be 1 more than the number of blocks
121 assert(height == num_blocks_y + 1);
122
123 for (j = 0; j < num_blocks_y; j++) {
124 for (i = 0; i < num_blocks_x; i++) {
125 x00 = xbuff[j * width + i];
126 x01 = xbuff[j * width + (i + 1)];
127 x10 = xbuff[(j + 1) * width + i];
128 x11 = xbuff[(j + 1) * width + (i + 1)];
129
130 y00 = ybuff[j * width + i];
131 y01 = ybuff[j * width + (i + 1)];
132 y10 = ybuff[(j + 1) * width + i];
133 y11 = ybuff[(j + 1) * width + (i + 1)];
134
135 xmin = min(x00, x10);
136 xmax = max(x01, x11);
137 ymin = min(y00, y01);
138 ymax = max(y10, y11);
139
140 /* Assert that right column's X is greater */
141 assert(x01 >= xmin);
142 assert(x11 >= xmin);
143 /* Assert that bottom row's Y is greater */
144 assert(y10 >= ymin);
145 assert(y11 >= ymin);
146
147 topleft_y = ymin >> DVS_COORD_FRAC_BITS;
148 topleft_x = ((xmin >> DVS_COORD_FRAC_BITS)
149 >> XMEM_ALIGN_LOG2)
150 << (XMEM_ALIGN_LOG2);
151 s.in_addr_offset = topleft_y * in_stride + topleft_x;
152
153 /* similar to topleft_y calculation, but round up if ymax
154 * has any fraction bits */
155 bottom_y = CEIL_DIV(ymax, 1 << DVS_COORD_FRAC_BITS);
156 s.in_block_height = bottom_y - topleft_y + dvs_interp_envelope;
157
158 bottom_x = CEIL_DIV(xmax, 1 << DVS_COORD_FRAC_BITS);
159 s.in_block_width = bottom_x - topleft_x + dvs_interp_envelope;
160
161 topleft_x_frac = topleft_x << (DVS_COORD_FRAC_BITS);
162 topleft_y_frac = topleft_y << (DVS_COORD_FRAC_BITS);
163
164 s.p0_x = x00 - topleft_x_frac;
165 s.p1_x = x01 - topleft_x_frac;
166 s.p2_x = x10 - topleft_x_frac;
167 s.p3_x = x11 - topleft_x_frac;
168
169 s.p0_y = y00 - topleft_y_frac;
170 s.p1_y = y01 - topleft_y_frac;
171 s.p2_y = y10 - topleft_y_frac;
172 s.p3_y = y11 - topleft_y_frac;
173
174 // block should fit within the boundingbox.
175 assert(s.p0_x < (s.in_block_width << DVS_COORD_FRAC_BITS));
176 assert(s.p1_x < (s.in_block_width << DVS_COORD_FRAC_BITS));
177 assert(s.p2_x < (s.in_block_width << DVS_COORD_FRAC_BITS));
178 assert(s.p3_x < (s.in_block_width << DVS_COORD_FRAC_BITS));
179 assert(s.p0_y < (s.in_block_height << DVS_COORD_FRAC_BITS));
180 assert(s.p1_y < (s.in_block_height << DVS_COORD_FRAC_BITS));
181 assert(s.p2_y < (s.in_block_height << DVS_COORD_FRAC_BITS));
182 assert(s.p3_y < (s.in_block_height << DVS_COORD_FRAC_BITS));
183
184 // block size should be greater than zero.
185 assert(s.p0_x < s.p1_x);
186 assert(s.p2_x < s.p3_x);
187 assert(s.p0_y < s.p2_y);
188 assert(s.p1_y < s.p3_y);
189
190 #if 0
191 printf("j: %d\ti:%d\n", j, i);
192 printf("offset: %d\n", s.in_addr_offset);
193 printf("p0_x: %d\n", s.p0_x);
194 printf("p0_y: %d\n", s.p0_y);
195 printf("p1_x: %d\n", s.p1_x);
196 printf("p1_y: %d\n", s.p1_y);
197 printf("p2_x: %d\n", s.p2_x);
198 printf("p2_y: %d\n", s.p2_y);
199 printf("p3_x: %d\n", s.p3_x);
200 printf("p3_y: %d\n", s.p3_y);
201
202 printf("p0_x_nofrac[0]: %d\n", s.p0_x >> DVS_COORD_FRAC_BITS);
203 printf("p0_y_nofrac[1]: %d\n", s.p0_y >> DVS_COORD_FRAC_BITS);
204 printf("p1_x_nofrac[2]: %d\n", s.p1_x >> DVS_COORD_FRAC_BITS);
205 printf("p1_y_nofrac[3]: %d\n", s.p1_y >> DVS_COORD_FRAC_BITS);
206 printf("p2_x_nofrac[0]: %d\n", s.p2_x >> DVS_COORD_FRAC_BITS);
207 printf("p2_y_nofrac[1]: %d\n", s.p2_y >> DVS_COORD_FRAC_BITS);
208 printf("p3_x_nofrac[2]: %d\n", s.p3_x >> DVS_COORD_FRAC_BITS);
209 printf("p3_y_nofrac[3]: %d\n", s.p3_y >> DVS_COORD_FRAC_BITS);
210 printf("\n");
211 #endif
212
213 *ptr = s;
214
215 // storage format:
216 // Y0 Y1 UV0 Y2 Y3 UV1
217 /* if uv_flag equals true increment with 2 incase x is odd, this to
218 skip the uv position. */
219 if (uv_flag)
220 ptr += 3;
221 else
222 ptr += (1 + (i & 1));
223 }
224 }
225 }
226
227 struct ia_css_host_data *
convert_allocate_dvs_6axis_config(const struct ia_css_dvs_6axis_config * dvs_6axis_config,const struct ia_css_binary * binary,const struct ia_css_frame_info * dvs_in_frame_info)228 convert_allocate_dvs_6axis_config(
229 const struct ia_css_dvs_6axis_config *dvs_6axis_config,
230 const struct ia_css_binary *binary,
231 const struct ia_css_frame_info *dvs_in_frame_info)
232 {
233 unsigned int i_stride;
234 unsigned int o_width;
235 unsigned int o_height;
236 struct ia_css_host_data *me;
237
238 assert(binary);
239 assert(dvs_6axis_config);
240 assert(dvs_in_frame_info);
241
242 me = ia_css_host_data_allocate((size_t)((DVS_6AXIS_BYTES(binary) / 2) * 3));
243
244 if (!me)
245 return NULL;
246
247 /*DVS only supports input frame of YUV420 or NV12. Fail for all other cases*/
248 assert((dvs_in_frame_info->format == IA_CSS_FRAME_FORMAT_NV12)
249 || (dvs_in_frame_info->format == IA_CSS_FRAME_FORMAT_YUV420));
250
251 i_stride = dvs_in_frame_info->padded_width;
252
253 o_width = binary->out_frame_info[0].res.width;
254 o_height = binary->out_frame_info[0].res.height;
255
256 /* Y plane */
257 convert_coords_to_ispparams(me, dvs_6axis_config,
258 i_stride, o_width, o_height, 0);
259
260 if (dvs_in_frame_info->format == IA_CSS_FRAME_FORMAT_YUV420) {
261 /*YUV420 has half the stride for U/V plane*/
262 i_stride /= 2;
263 }
264
265 /* UV plane (packed inside the y plane) */
266 convert_coords_to_ispparams(me, dvs_6axis_config,
267 i_stride, o_width / 2, o_height / 2, 1);
268
269 return me;
270 }
271
272 int
store_dvs_6axis_config(const struct ia_css_dvs_6axis_config * dvs_6axis_config,const struct ia_css_binary * binary,const struct ia_css_frame_info * dvs_in_frame_info,ia_css_ptr ddr_addr_y)273 store_dvs_6axis_config(
274 const struct ia_css_dvs_6axis_config *dvs_6axis_config,
275 const struct ia_css_binary *binary,
276 const struct ia_css_frame_info *dvs_in_frame_info,
277 ia_css_ptr ddr_addr_y) {
278 struct ia_css_host_data *me;
279
280 assert(dvs_6axis_config);
281 assert(ddr_addr_y != mmgr_NULL);
282 assert(dvs_in_frame_info);
283
284 me = convert_allocate_dvs_6axis_config(dvs_6axis_config,
285 binary,
286 dvs_in_frame_info);
287
288 if (!me)
289 {
290 IA_CSS_LEAVE_ERR_PRIVATE(-ENOMEM);
291 return -ENOMEM;
292 }
293
294 ia_css_params_store_ia_css_host_data(
295 ddr_addr_y,
296 me);
297 ia_css_host_data_free(me);
298
299 return 0;
300 }
301