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ddddfa78 | 1 | // SPDX-License-Identifier: GPL-2.0-only |
63881df9 | 2 | /* |
e07d46e7 | 3 | * v4l2-tpg-core.c - Test Pattern Generator |
63881df9 HV |
4 | * |
5 | * Note: gen_twopix and tpg_gen_text are based on code from vivi.c. See the | |
6 | * vivi.c source for the copyright information of those functions. | |
7 | * | |
8 | * Copyright 2014 Cisco Systems, Inc. and/or its affiliates. All rights reserved. | |
63881df9 HV |
9 | */ |
10 | ||
e07d46e7 | 11 | #include <linux/module.h> |
1beb623b | 12 | #include <media/tpg/v4l2-tpg.h> |
63881df9 HV |
13 | |
14 | /* Must remain in sync with enum tpg_pattern */ | |
15 | const char * const tpg_pattern_strings[] = { | |
16 | "75% Colorbar", | |
17 | "100% Colorbar", | |
18 | "CSC Colorbar", | |
19 | "Horizontal 100% Colorbar", | |
20 | "100% Color Squares", | |
21 | "100% Black", | |
22 | "100% White", | |
23 | "100% Red", | |
24 | "100% Green", | |
25 | "100% Blue", | |
26 | "16x16 Checkers", | |
1a05d313 | 27 | "2x2 Checkers", |
63881df9 | 28 | "1x1 Checkers", |
1a05d313 HV |
29 | "2x2 Red/Green Checkers", |
30 | "1x1 Red/Green Checkers", | |
63881df9 HV |
31 | "Alternating Hor Lines", |
32 | "Alternating Vert Lines", | |
33 | "One Pixel Wide Cross", | |
34 | "Two Pixels Wide Cross", | |
35 | "Ten Pixels Wide Cross", | |
36 | "Gray Ramp", | |
37 | "Noise", | |
38 | NULL | |
39 | }; | |
e07d46e7 | 40 | EXPORT_SYMBOL_GPL(tpg_pattern_strings); |
63881df9 HV |
41 | |
42 | /* Must remain in sync with enum tpg_aspect */ | |
43 | const char * const tpg_aspect_strings[] = { | |
44 | "Source Width x Height", | |
45 | "4x3", | |
46 | "14x9", | |
47 | "16x9", | |
48 | "16x9 Anamorphic", | |
49 | NULL | |
50 | }; | |
e07d46e7 | 51 | EXPORT_SYMBOL_GPL(tpg_aspect_strings); |
63881df9 HV |
52 | |
53 | /* | |
54 | * Sine table: sin[0] = 127 * sin(-180 degrees) | |
55 | * sin[128] = 127 * sin(0 degrees) | |
56 | * sin[256] = 127 * sin(180 degrees) | |
57 | */ | |
58 | static const s8 sin[257] = { | |
59 | 0, -4, -7, -11, -13, -18, -20, -22, -26, -29, -33, -35, -37, -41, -43, -48, | |
60 | -50, -52, -56, -58, -62, -63, -65, -69, -71, -75, -76, -78, -82, -83, -87, -88, | |
61 | -90, -93, -94, -97, -99, -101, -103, -104, -107, -108, -110, -111, -112, -114, -115, -117, | |
62 | -118, -119, -120, -121, -122, -123, -123, -124, -125, -125, -126, -126, -127, -127, -127, -127, | |
63 | -127, -127, -127, -127, -126, -126, -125, -125, -124, -124, -123, -122, -121, -120, -119, -118, | |
64 | -117, -116, -114, -113, -111, -110, -109, -107, -105, -103, -101, -100, -97, -96, -93, -91, | |
65 | -90, -87, -85, -82, -80, -76, -75, -73, -69, -67, -63, -62, -60, -56, -54, -50, | |
66 | -48, -46, -41, -39, -35, -33, -31, -26, -24, -20, -18, -15, -11, -9, -4, -2, | |
67 | 0, 2, 4, 9, 11, 15, 18, 20, 24, 26, 31, 33, 35, 39, 41, 46, | |
68 | 48, 50, 54, 56, 60, 62, 64, 67, 69, 73, 75, 76, 80, 82, 85, 87, | |
69 | 90, 91, 93, 96, 97, 100, 101, 103, 105, 107, 109, 110, 111, 113, 114, 116, | |
70 | 117, 118, 119, 120, 121, 122, 123, 124, 124, 125, 125, 126, 126, 127, 127, 127, | |
71 | 127, 127, 127, 127, 127, 126, 126, 125, 125, 124, 123, 123, 122, 121, 120, 119, | |
72 | 118, 117, 115, 114, 112, 111, 110, 108, 107, 104, 103, 101, 99, 97, 94, 93, | |
73 | 90, 88, 87, 83, 82, 78, 76, 75, 71, 69, 65, 64, 62, 58, 56, 52, | |
74 | 50, 48, 43, 41, 37, 35, 33, 29, 26, 22, 20, 18, 13, 11, 7, 4, | |
75 | 0, | |
76 | }; | |
77 | ||
78 | #define cos(idx) sin[((idx) + 64) % sizeof(sin)] | |
79 | ||
80 | /* Global font descriptor */ | |
81 | static const u8 *font8x16; | |
82 | ||
83 | void tpg_set_font(const u8 *f) | |
84 | { | |
85 | font8x16 = f; | |
86 | } | |
e07d46e7 | 87 | EXPORT_SYMBOL_GPL(tpg_set_font); |
63881df9 HV |
88 | |
89 | void tpg_init(struct tpg_data *tpg, unsigned w, unsigned h) | |
90 | { | |
91 | memset(tpg, 0, sizeof(*tpg)); | |
92 | tpg->scaled_width = tpg->src_width = w; | |
93 | tpg->src_height = tpg->buf_height = h; | |
94 | tpg->crop.width = tpg->compose.width = w; | |
95 | tpg->crop.height = tpg->compose.height = h; | |
96 | tpg->recalc_colors = true; | |
97 | tpg->recalc_square_border = true; | |
98 | tpg->brightness = 128; | |
99 | tpg->contrast = 128; | |
100 | tpg->saturation = 128; | |
101 | tpg->hue = 0; | |
102 | tpg->mv_hor_mode = TPG_MOVE_NONE; | |
103 | tpg->mv_vert_mode = TPG_MOVE_NONE; | |
104 | tpg->field = V4L2_FIELD_NONE; | |
105 | tpg_s_fourcc(tpg, V4L2_PIX_FMT_RGB24); | |
106 | tpg->colorspace = V4L2_COLORSPACE_SRGB; | |
107 | tpg->perc_fill = 100; | |
94868d61 | 108 | tpg->hsv_enc = V4L2_HSV_ENC_180; |
63881df9 | 109 | } |
e07d46e7 | 110 | EXPORT_SYMBOL_GPL(tpg_init); |
63881df9 HV |
111 | |
112 | int tpg_alloc(struct tpg_data *tpg, unsigned max_w) | |
113 | { | |
114 | unsigned pat; | |
115 | unsigned plane; | |
116 | ||
117 | tpg->max_line_width = max_w; | |
118 | for (pat = 0; pat < TPG_MAX_PAT_LINES; pat++) { | |
119 | for (plane = 0; plane < TPG_MAX_PLANES; plane++) { | |
dde72bd7 | 120 | unsigned pixelsz = plane ? 2 : 4; |
63881df9 | 121 | |
fad953ce KC |
122 | tpg->lines[pat][plane] = |
123 | vzalloc(array3_size(max_w, 2, pixelsz)); | |
63881df9 HV |
124 | if (!tpg->lines[pat][plane]) |
125 | return -ENOMEM; | |
5d7c539e HV |
126 | if (plane == 0) |
127 | continue; | |
fad953ce KC |
128 | tpg->downsampled_lines[pat][plane] = |
129 | vzalloc(array3_size(max_w, 2, pixelsz)); | |
5d7c539e HV |
130 | if (!tpg->downsampled_lines[pat][plane]) |
131 | return -ENOMEM; | |
63881df9 HV |
132 | } |
133 | } | |
134 | for (plane = 0; plane < TPG_MAX_PLANES; plane++) { | |
dde72bd7 | 135 | unsigned pixelsz = plane ? 2 : 4; |
63881df9 | 136 | |
fad953ce KC |
137 | tpg->contrast_line[plane] = |
138 | vzalloc(array_size(pixelsz, max_w)); | |
63881df9 HV |
139 | if (!tpg->contrast_line[plane]) |
140 | return -ENOMEM; | |
fad953ce KC |
141 | tpg->black_line[plane] = |
142 | vzalloc(array_size(pixelsz, max_w)); | |
63881df9 HV |
143 | if (!tpg->black_line[plane]) |
144 | return -ENOMEM; | |
fad953ce KC |
145 | tpg->random_line[plane] = |
146 | vzalloc(array3_size(max_w, 2, pixelsz)); | |
63881df9 HV |
147 | if (!tpg->random_line[plane]) |
148 | return -ENOMEM; | |
149 | } | |
150 | return 0; | |
151 | } | |
e07d46e7 | 152 | EXPORT_SYMBOL_GPL(tpg_alloc); |
63881df9 HV |
153 | |
154 | void tpg_free(struct tpg_data *tpg) | |
155 | { | |
156 | unsigned pat; | |
157 | unsigned plane; | |
158 | ||
159 | for (pat = 0; pat < TPG_MAX_PAT_LINES; pat++) | |
160 | for (plane = 0; plane < TPG_MAX_PLANES; plane++) { | |
161 | vfree(tpg->lines[pat][plane]); | |
162 | tpg->lines[pat][plane] = NULL; | |
5d7c539e HV |
163 | if (plane == 0) |
164 | continue; | |
165 | vfree(tpg->downsampled_lines[pat][plane]); | |
166 | tpg->downsampled_lines[pat][plane] = NULL; | |
63881df9 HV |
167 | } |
168 | for (plane = 0; plane < TPG_MAX_PLANES; plane++) { | |
169 | vfree(tpg->contrast_line[plane]); | |
170 | vfree(tpg->black_line[plane]); | |
171 | vfree(tpg->random_line[plane]); | |
172 | tpg->contrast_line[plane] = NULL; | |
173 | tpg->black_line[plane] = NULL; | |
174 | tpg->random_line[plane] = NULL; | |
175 | } | |
176 | } | |
e07d46e7 | 177 | EXPORT_SYMBOL_GPL(tpg_free); |
63881df9 HV |
178 | |
179 | bool tpg_s_fourcc(struct tpg_data *tpg, u32 fourcc) | |
180 | { | |
181 | tpg->fourcc = fourcc; | |
182 | tpg->planes = 1; | |
06d1f0c2 | 183 | tpg->buffers = 1; |
63881df9 | 184 | tpg->recalc_colors = true; |
02aa769d | 185 | tpg->interleaved = false; |
ba01f673 HV |
186 | tpg->vdownsampling[0] = 1; |
187 | tpg->hdownsampling[0] = 1; | |
9991deff HV |
188 | tpg->hmask[0] = ~0; |
189 | tpg->hmask[1] = ~0; | |
190 | tpg->hmask[2] = ~0; | |
06d1f0c2 | 191 | |
63881df9 | 192 | switch (fourcc) { |
02aa769d HV |
193 | case V4L2_PIX_FMT_SBGGR8: |
194 | case V4L2_PIX_FMT_SGBRG8: | |
195 | case V4L2_PIX_FMT_SGRBG8: | |
196 | case V4L2_PIX_FMT_SRGGB8: | |
b96c544f HV |
197 | case V4L2_PIX_FMT_SBGGR10: |
198 | case V4L2_PIX_FMT_SGBRG10: | |
199 | case V4L2_PIX_FMT_SGRBG10: | |
200 | case V4L2_PIX_FMT_SRGGB10: | |
201 | case V4L2_PIX_FMT_SBGGR12: | |
202 | case V4L2_PIX_FMT_SGBRG12: | |
203 | case V4L2_PIX_FMT_SGRBG12: | |
204 | case V4L2_PIX_FMT_SRGGB12: | |
02aa769d HV |
205 | tpg->interleaved = true; |
206 | tpg->vdownsampling[1] = 1; | |
207 | tpg->hdownsampling[1] = 1; | |
208 | tpg->planes = 2; | |
209 | /* fall through */ | |
71491063 | 210 | case V4L2_PIX_FMT_RGB332: |
63881df9 HV |
211 | case V4L2_PIX_FMT_RGB565: |
212 | case V4L2_PIX_FMT_RGB565X: | |
8aca230b HV |
213 | case V4L2_PIX_FMT_RGB444: |
214 | case V4L2_PIX_FMT_XRGB444: | |
215 | case V4L2_PIX_FMT_ARGB444: | |
63881df9 HV |
216 | case V4L2_PIX_FMT_RGB555: |
217 | case V4L2_PIX_FMT_XRGB555: | |
218 | case V4L2_PIX_FMT_ARGB555: | |
219 | case V4L2_PIX_FMT_RGB555X: | |
8f1ff543 HV |
220 | case V4L2_PIX_FMT_XRGB555X: |
221 | case V4L2_PIX_FMT_ARGB555X: | |
68cd4e9f | 222 | case V4L2_PIX_FMT_BGR666: |
63881df9 HV |
223 | case V4L2_PIX_FMT_RGB24: |
224 | case V4L2_PIX_FMT_BGR24: | |
225 | case V4L2_PIX_FMT_RGB32: | |
226 | case V4L2_PIX_FMT_BGR32: | |
227 | case V4L2_PIX_FMT_XRGB32: | |
228 | case V4L2_PIX_FMT_XBGR32: | |
229 | case V4L2_PIX_FMT_ARGB32: | |
230 | case V4L2_PIX_FMT_ABGR32: | |
ca2b32da RRD |
231 | tpg->color_enc = TGP_COLOR_ENC_RGB; |
232 | break; | |
51f30968 | 233 | case V4L2_PIX_FMT_GREY: |
b89fdb5e HV |
234 | case V4L2_PIX_FMT_Y10: |
235 | case V4L2_PIX_FMT_Y12: | |
18b3b3b8 | 236 | case V4L2_PIX_FMT_Y16: |
b0ce23f0 | 237 | case V4L2_PIX_FMT_Y16_BE: |
ca2b32da | 238 | tpg->color_enc = TGP_COLOR_ENC_LUMA; |
63881df9 | 239 | break; |
628821c8 HV |
240 | case V4L2_PIX_FMT_YUV444: |
241 | case V4L2_PIX_FMT_YUV555: | |
242 | case V4L2_PIX_FMT_YUV565: | |
243 | case V4L2_PIX_FMT_YUV32: | |
646895e9 | 244 | tpg->color_enc = TGP_COLOR_ENC_YCBCR; |
628821c8 | 245 | break; |
68c90d64 HV |
246 | case V4L2_PIX_FMT_YUV420M: |
247 | case V4L2_PIX_FMT_YVU420M: | |
248 | tpg->buffers = 3; | |
249 | /* fall through */ | |
250 | case V4L2_PIX_FMT_YUV420: | |
251 | case V4L2_PIX_FMT_YVU420: | |
252 | tpg->vdownsampling[1] = 2; | |
253 | tpg->vdownsampling[2] = 2; | |
254 | tpg->hdownsampling[1] = 2; | |
255 | tpg->hdownsampling[2] = 2; | |
256 | tpg->planes = 3; | |
646895e9 | 257 | tpg->color_enc = TGP_COLOR_ENC_YCBCR; |
68c90d64 | 258 | break; |
00036b30 HV |
259 | case V4L2_PIX_FMT_YUV422M: |
260 | case V4L2_PIX_FMT_YVU422M: | |
261 | tpg->buffers = 3; | |
262 | /* fall through */ | |
68c90d64 HV |
263 | case V4L2_PIX_FMT_YUV422P: |
264 | tpg->vdownsampling[1] = 1; | |
265 | tpg->vdownsampling[2] = 1; | |
266 | tpg->hdownsampling[1] = 2; | |
267 | tpg->hdownsampling[2] = 2; | |
268 | tpg->planes = 3; | |
646895e9 | 269 | tpg->color_enc = TGP_COLOR_ENC_YCBCR; |
68c90d64 | 270 | break; |
63881df9 HV |
271 | case V4L2_PIX_FMT_NV16M: |
272 | case V4L2_PIX_FMT_NV61M: | |
68c90d64 HV |
273 | tpg->buffers = 2; |
274 | /* fall through */ | |
275 | case V4L2_PIX_FMT_NV16: | |
276 | case V4L2_PIX_FMT_NV61: | |
ba01f673 HV |
277 | tpg->vdownsampling[1] = 1; |
278 | tpg->hdownsampling[1] = 1; | |
9991deff | 279 | tpg->hmask[1] = ~1; |
68c90d64 | 280 | tpg->planes = 2; |
646895e9 | 281 | tpg->color_enc = TGP_COLOR_ENC_YCBCR; |
68c90d64 HV |
282 | break; |
283 | case V4L2_PIX_FMT_NV12M: | |
284 | case V4L2_PIX_FMT_NV21M: | |
06d1f0c2 | 285 | tpg->buffers = 2; |
68c90d64 HV |
286 | /* fall through */ |
287 | case V4L2_PIX_FMT_NV12: | |
288 | case V4L2_PIX_FMT_NV21: | |
289 | tpg->vdownsampling[1] = 2; | |
290 | tpg->hdownsampling[1] = 1; | |
9991deff | 291 | tpg->hmask[1] = ~1; |
63881df9 | 292 | tpg->planes = 2; |
646895e9 | 293 | tpg->color_enc = TGP_COLOR_ENC_YCBCR; |
68c90d64 | 294 | break; |
00036b30 HV |
295 | case V4L2_PIX_FMT_YUV444M: |
296 | case V4L2_PIX_FMT_YVU444M: | |
297 | tpg->buffers = 3; | |
298 | tpg->planes = 3; | |
299 | tpg->vdownsampling[1] = 1; | |
300 | tpg->vdownsampling[2] = 1; | |
301 | tpg->hdownsampling[1] = 1; | |
302 | tpg->hdownsampling[2] = 1; | |
646895e9 | 303 | tpg->color_enc = TGP_COLOR_ENC_YCBCR; |
00036b30 | 304 | break; |
dde72bd7 HV |
305 | case V4L2_PIX_FMT_NV24: |
306 | case V4L2_PIX_FMT_NV42: | |
307 | tpg->vdownsampling[1] = 1; | |
308 | tpg->hdownsampling[1] = 1; | |
309 | tpg->planes = 2; | |
646895e9 | 310 | tpg->color_enc = TGP_COLOR_ENC_YCBCR; |
dde72bd7 | 311 | break; |
63881df9 HV |
312 | case V4L2_PIX_FMT_YUYV: |
313 | case V4L2_PIX_FMT_UYVY: | |
314 | case V4L2_PIX_FMT_YVYU: | |
315 | case V4L2_PIX_FMT_VYUY: | |
9991deff | 316 | tpg->hmask[0] = ~1; |
646895e9 | 317 | tpg->color_enc = TGP_COLOR_ENC_YCBCR; |
63881df9 | 318 | break; |
54fb1534 RRD |
319 | case V4L2_PIX_FMT_HSV24: |
320 | case V4L2_PIX_FMT_HSV32: | |
321 | tpg->color_enc = TGP_COLOR_ENC_HSV; | |
322 | break; | |
63881df9 HV |
323 | default: |
324 | return false; | |
325 | } | |
326 | ||
327 | switch (fourcc) { | |
ed1bc664 | 328 | case V4L2_PIX_FMT_GREY: |
71491063 HV |
329 | case V4L2_PIX_FMT_RGB332: |
330 | tpg->twopixelsize[0] = 2; | |
331 | break; | |
63881df9 HV |
332 | case V4L2_PIX_FMT_RGB565: |
333 | case V4L2_PIX_FMT_RGB565X: | |
8aca230b HV |
334 | case V4L2_PIX_FMT_RGB444: |
335 | case V4L2_PIX_FMT_XRGB444: | |
336 | case V4L2_PIX_FMT_ARGB444: | |
63881df9 HV |
337 | case V4L2_PIX_FMT_RGB555: |
338 | case V4L2_PIX_FMT_XRGB555: | |
339 | case V4L2_PIX_FMT_ARGB555: | |
340 | case V4L2_PIX_FMT_RGB555X: | |
8f1ff543 HV |
341 | case V4L2_PIX_FMT_XRGB555X: |
342 | case V4L2_PIX_FMT_ARGB555X: | |
63881df9 HV |
343 | case V4L2_PIX_FMT_YUYV: |
344 | case V4L2_PIX_FMT_UYVY: | |
345 | case V4L2_PIX_FMT_YVYU: | |
346 | case V4L2_PIX_FMT_VYUY: | |
628821c8 HV |
347 | case V4L2_PIX_FMT_YUV444: |
348 | case V4L2_PIX_FMT_YUV555: | |
349 | case V4L2_PIX_FMT_YUV565: | |
b89fdb5e HV |
350 | case V4L2_PIX_FMT_Y10: |
351 | case V4L2_PIX_FMT_Y12: | |
18b3b3b8 | 352 | case V4L2_PIX_FMT_Y16: |
b0ce23f0 | 353 | case V4L2_PIX_FMT_Y16_BE: |
63881df9 HV |
354 | tpg->twopixelsize[0] = 2 * 2; |
355 | break; | |
356 | case V4L2_PIX_FMT_RGB24: | |
357 | case V4L2_PIX_FMT_BGR24: | |
54fb1534 | 358 | case V4L2_PIX_FMT_HSV24: |
63881df9 HV |
359 | tpg->twopixelsize[0] = 2 * 3; |
360 | break; | |
68cd4e9f | 361 | case V4L2_PIX_FMT_BGR666: |
63881df9 HV |
362 | case V4L2_PIX_FMT_RGB32: |
363 | case V4L2_PIX_FMT_BGR32: | |
364 | case V4L2_PIX_FMT_XRGB32: | |
365 | case V4L2_PIX_FMT_XBGR32: | |
366 | case V4L2_PIX_FMT_ARGB32: | |
367 | case V4L2_PIX_FMT_ABGR32: | |
628821c8 | 368 | case V4L2_PIX_FMT_YUV32: |
54fb1534 | 369 | case V4L2_PIX_FMT_HSV32: |
63881df9 HV |
370 | tpg->twopixelsize[0] = 2 * 4; |
371 | break; | |
68c90d64 HV |
372 | case V4L2_PIX_FMT_NV12: |
373 | case V4L2_PIX_FMT_NV21: | |
374 | case V4L2_PIX_FMT_NV12M: | |
375 | case V4L2_PIX_FMT_NV21M: | |
68c90d64 HV |
376 | case V4L2_PIX_FMT_NV16: |
377 | case V4L2_PIX_FMT_NV61: | |
63881df9 HV |
378 | case V4L2_PIX_FMT_NV16M: |
379 | case V4L2_PIX_FMT_NV61M: | |
02aa769d HV |
380 | case V4L2_PIX_FMT_SBGGR8: |
381 | case V4L2_PIX_FMT_SGBRG8: | |
382 | case V4L2_PIX_FMT_SGRBG8: | |
383 | case V4L2_PIX_FMT_SRGGB8: | |
63881df9 HV |
384 | tpg->twopixelsize[0] = 2; |
385 | tpg->twopixelsize[1] = 2; | |
386 | break; | |
b96c544f HV |
387 | case V4L2_PIX_FMT_SRGGB10: |
388 | case V4L2_PIX_FMT_SGRBG10: | |
389 | case V4L2_PIX_FMT_SGBRG10: | |
390 | case V4L2_PIX_FMT_SBGGR10: | |
391 | case V4L2_PIX_FMT_SRGGB12: | |
392 | case V4L2_PIX_FMT_SGRBG12: | |
393 | case V4L2_PIX_FMT_SGBRG12: | |
394 | case V4L2_PIX_FMT_SBGGR12: | |
395 | tpg->twopixelsize[0] = 4; | |
396 | tpg->twopixelsize[1] = 4; | |
397 | break; | |
00036b30 HV |
398 | case V4L2_PIX_FMT_YUV444M: |
399 | case V4L2_PIX_FMT_YVU444M: | |
400 | case V4L2_PIX_FMT_YUV422M: | |
401 | case V4L2_PIX_FMT_YVU422M: | |
68c90d64 HV |
402 | case V4L2_PIX_FMT_YUV422P: |
403 | case V4L2_PIX_FMT_YUV420: | |
404 | case V4L2_PIX_FMT_YVU420: | |
405 | case V4L2_PIX_FMT_YUV420M: | |
406 | case V4L2_PIX_FMT_YVU420M: | |
407 | tpg->twopixelsize[0] = 2; | |
408 | tpg->twopixelsize[1] = 2; | |
409 | tpg->twopixelsize[2] = 2; | |
410 | break; | |
dde72bd7 HV |
411 | case V4L2_PIX_FMT_NV24: |
412 | case V4L2_PIX_FMT_NV42: | |
413 | tpg->twopixelsize[0] = 2; | |
414 | tpg->twopixelsize[1] = 4; | |
415 | break; | |
63881df9 HV |
416 | } |
417 | return true; | |
418 | } | |
e07d46e7 | 419 | EXPORT_SYMBOL_GPL(tpg_s_fourcc); |
63881df9 HV |
420 | |
421 | void tpg_s_crop_compose(struct tpg_data *tpg, const struct v4l2_rect *crop, | |
422 | const struct v4l2_rect *compose) | |
423 | { | |
424 | tpg->crop = *crop; | |
425 | tpg->compose = *compose; | |
426 | tpg->scaled_width = (tpg->src_width * tpg->compose.width + | |
427 | tpg->crop.width - 1) / tpg->crop.width; | |
428 | tpg->scaled_width &= ~1; | |
429 | if (tpg->scaled_width > tpg->max_line_width) | |
430 | tpg->scaled_width = tpg->max_line_width; | |
431 | if (tpg->scaled_width < 2) | |
432 | tpg->scaled_width = 2; | |
433 | tpg->recalc_lines = true; | |
434 | } | |
e07d46e7 | 435 | EXPORT_SYMBOL_GPL(tpg_s_crop_compose); |
63881df9 HV |
436 | |
437 | void tpg_reset_source(struct tpg_data *tpg, unsigned width, unsigned height, | |
73d81022 | 438 | u32 field) |
63881df9 HV |
439 | { |
440 | unsigned p; | |
441 | ||
442 | tpg->src_width = width; | |
443 | tpg->src_height = height; | |
444 | tpg->field = field; | |
445 | tpg->buf_height = height; | |
446 | if (V4L2_FIELD_HAS_T_OR_B(field)) | |
447 | tpg->buf_height /= 2; | |
448 | tpg->scaled_width = width; | |
449 | tpg->crop.top = tpg->crop.left = 0; | |
450 | tpg->crop.width = width; | |
451 | tpg->crop.height = height; | |
452 | tpg->compose.top = tpg->compose.left = 0; | |
453 | tpg->compose.width = width; | |
454 | tpg->compose.height = tpg->buf_height; | |
455 | for (p = 0; p < tpg->planes; p++) | |
ba01f673 HV |
456 | tpg->bytesperline[p] = (width * tpg->twopixelsize[p]) / |
457 | (2 * tpg->hdownsampling[p]); | |
63881df9 HV |
458 | tpg->recalc_square_border = true; |
459 | } | |
e07d46e7 | 460 | EXPORT_SYMBOL_GPL(tpg_reset_source); |
63881df9 HV |
461 | |
462 | static enum tpg_color tpg_get_textbg_color(struct tpg_data *tpg) | |
463 | { | |
464 | switch (tpg->pattern) { | |
465 | case TPG_PAT_BLACK: | |
466 | return TPG_COLOR_100_WHITE; | |
467 | case TPG_PAT_CSC_COLORBAR: | |
468 | return TPG_COLOR_CSC_BLACK; | |
469 | default: | |
470 | return TPG_COLOR_100_BLACK; | |
471 | } | |
472 | } | |
473 | ||
474 | static enum tpg_color tpg_get_textfg_color(struct tpg_data *tpg) | |
475 | { | |
476 | switch (tpg->pattern) { | |
477 | case TPG_PAT_75_COLORBAR: | |
478 | case TPG_PAT_CSC_COLORBAR: | |
479 | return TPG_COLOR_CSC_WHITE; | |
480 | case TPG_PAT_BLACK: | |
481 | return TPG_COLOR_100_BLACK; | |
482 | default: | |
483 | return TPG_COLOR_100_WHITE; | |
484 | } | |
485 | } | |
486 | ||
481b97a1 | 487 | static inline int rec709_to_linear(int v) |
63881df9 | 488 | { |
481b97a1 HV |
489 | v = clamp(v, 0, 0xff0); |
490 | return tpg_rec709_to_linear[v]; | |
63881df9 HV |
491 | } |
492 | ||
481b97a1 | 493 | static inline int linear_to_rec709(int v) |
63881df9 | 494 | { |
481b97a1 HV |
495 | v = clamp(v, 0, 0xff0); |
496 | return tpg_linear_to_rec709[v]; | |
63881df9 HV |
497 | } |
498 | ||
54fb1534 RRD |
499 | static void color_to_hsv(struct tpg_data *tpg, int r, int g, int b, |
500 | int *h, int *s, int *v) | |
501 | { | |
502 | int max_rgb, min_rgb, diff_rgb; | |
503 | int aux; | |
504 | int third; | |
429175e4 | 505 | int third_size; |
54fb1534 RRD |
506 | |
507 | r >>= 4; | |
508 | g >>= 4; | |
509 | b >>= 4; | |
510 | ||
511 | /* Value */ | |
512 | max_rgb = max3(r, g, b); | |
513 | *v = max_rgb; | |
514 | if (!max_rgb) { | |
515 | *h = 0; | |
516 | *s = 0; | |
517 | return; | |
518 | } | |
519 | ||
520 | /* Saturation */ | |
521 | min_rgb = min3(r, g, b); | |
522 | diff_rgb = max_rgb - min_rgb; | |
523 | aux = 255 * diff_rgb; | |
524 | aux += max_rgb / 2; | |
525 | aux /= max_rgb; | |
526 | *s = aux; | |
527 | if (!aux) { | |
528 | *h = 0; | |
529 | return; | |
530 | } | |
531 | ||
429175e4 RRD |
532 | third_size = (tpg->real_hsv_enc == V4L2_HSV_ENC_180) ? 60 : 85; |
533 | ||
54fb1534 RRD |
534 | /* Hue */ |
535 | if (max_rgb == r) { | |
536 | aux = g - b; | |
537 | third = 0; | |
538 | } else if (max_rgb == g) { | |
539 | aux = b - r; | |
429175e4 | 540 | third = third_size; |
54fb1534 RRD |
541 | } else { |
542 | aux = r - g; | |
429175e4 | 543 | third = third_size * 2; |
54fb1534 RRD |
544 | } |
545 | ||
429175e4 | 546 | aux *= third_size / 2; |
54fb1534 RRD |
547 | aux += diff_rgb / 2; |
548 | aux /= diff_rgb; | |
549 | aux += third; | |
550 | ||
551 | /* Clamp Hue */ | |
429175e4 RRD |
552 | if (tpg->real_hsv_enc == V4L2_HSV_ENC_180) { |
553 | if (aux < 0) | |
554 | aux += 180; | |
555 | else if (aux > 180) | |
556 | aux -= 180; | |
557 | } else { | |
558 | aux = aux & 0xff; | |
559 | } | |
54fb1534 | 560 | |
429175e4 | 561 | *h = aux; |
54fb1534 RRD |
562 | } |
563 | ||
481b97a1 HV |
564 | static void rgb2ycbcr(const int m[3][3], int r, int g, int b, |
565 | int y_offset, int *y, int *cb, int *cr) | |
63881df9 | 566 | { |
481b97a1 HV |
567 | *y = ((m[0][0] * r + m[0][1] * g + m[0][2] * b) >> 16) + (y_offset << 4); |
568 | *cb = ((m[1][0] * r + m[1][1] * g + m[1][2] * b) >> 16) + (128 << 4); | |
569 | *cr = ((m[2][0] * r + m[2][1] * g + m[2][2] * b) >> 16) + (128 << 4); | |
63881df9 HV |
570 | } |
571 | ||
481b97a1 HV |
572 | static void color_to_ycbcr(struct tpg_data *tpg, int r, int g, int b, |
573 | int *y, int *cb, int *cr) | |
63881df9 | 574 | { |
481b97a1 | 575 | #define COEFF(v, r) ((int)(0.5 + (v) * (r) * 256.0)) |
63881df9 | 576 | |
481b97a1 | 577 | static const int bt601[3][3] = { |
9ddbf68d HV |
578 | { COEFF(0.299, 219), COEFF(0.587, 219), COEFF(0.114, 219) }, |
579 | { COEFF(-0.1687, 224), COEFF(-0.3313, 224), COEFF(0.5, 224) }, | |
580 | { COEFF(0.5, 224), COEFF(-0.4187, 224), COEFF(-0.0813, 224) }, | |
481b97a1 HV |
581 | }; |
582 | static const int bt601_full[3][3] = { | |
9ddbf68d HV |
583 | { COEFF(0.299, 255), COEFF(0.587, 255), COEFF(0.114, 255) }, |
584 | { COEFF(-0.1687, 255), COEFF(-0.3313, 255), COEFF(0.5, 255) }, | |
585 | { COEFF(0.5, 255), COEFF(-0.4187, 255), COEFF(-0.0813, 255) }, | |
481b97a1 HV |
586 | }; |
587 | static const int rec709[3][3] = { | |
588 | { COEFF(0.2126, 219), COEFF(0.7152, 219), COEFF(0.0722, 219) }, | |
589 | { COEFF(-0.1146, 224), COEFF(-0.3854, 224), COEFF(0.5, 224) }, | |
590 | { COEFF(0.5, 224), COEFF(-0.4542, 224), COEFF(-0.0458, 224) }, | |
591 | }; | |
592 | static const int rec709_full[3][3] = { | |
593 | { COEFF(0.2126, 255), COEFF(0.7152, 255), COEFF(0.0722, 255) }, | |
594 | { COEFF(-0.1146, 255), COEFF(-0.3854, 255), COEFF(0.5, 255) }, | |
595 | { COEFF(0.5, 255), COEFF(-0.4542, 255), COEFF(-0.0458, 255) }, | |
596 | }; | |
597 | static const int smpte240m[3][3] = { | |
598 | { COEFF(0.212, 219), COEFF(0.701, 219), COEFF(0.087, 219) }, | |
599 | { COEFF(-0.116, 224), COEFF(-0.384, 224), COEFF(0.5, 224) }, | |
600 | { COEFF(0.5, 224), COEFF(-0.445, 224), COEFF(-0.055, 224) }, | |
601 | }; | |
c702f68a HV |
602 | static const int smpte240m_full[3][3] = { |
603 | { COEFF(0.212, 255), COEFF(0.701, 255), COEFF(0.087, 255) }, | |
604 | { COEFF(-0.116, 255), COEFF(-0.384, 255), COEFF(0.5, 255) }, | |
605 | { COEFF(0.5, 255), COEFF(-0.445, 255), COEFF(-0.055, 255) }, | |
606 | }; | |
481b97a1 | 607 | static const int bt2020[3][3] = { |
e202e515 | 608 | { COEFF(0.2627, 219), COEFF(0.6780, 219), COEFF(0.0593, 219) }, |
481b97a1 | 609 | { COEFF(-0.1396, 224), COEFF(-0.3604, 224), COEFF(0.5, 224) }, |
e202e515 | 610 | { COEFF(0.5, 224), COEFF(-0.4598, 224), COEFF(-0.0402, 224) }, |
481b97a1 | 611 | }; |
cf73b717 HV |
612 | static const int bt2020_full[3][3] = { |
613 | { COEFF(0.2627, 255), COEFF(0.6780, 255), COEFF(0.0593, 255) }, | |
614 | { COEFF(-0.1396, 255), COEFF(-0.3604, 255), COEFF(0.5, 255) }, | |
eada4759 | 615 | { COEFF(0.5, 255), COEFF(-0.4598, 255), COEFF(-0.0402, 255) }, |
cf73b717 | 616 | }; |
bbfef49f HV |
617 | static const int bt2020c[4] = { |
618 | COEFF(1.0 / 1.9404, 224), COEFF(1.0 / 1.5816, 224), | |
619 | COEFF(1.0 / 1.7184, 224), COEFF(1.0 / 0.9936, 224), | |
620 | }; | |
621 | static const int bt2020c_full[4] = { | |
622 | COEFF(1.0 / 1.9404, 255), COEFF(1.0 / 1.5816, 255), | |
623 | COEFF(1.0 / 1.7184, 255), COEFF(1.0 / 0.9936, 255), | |
624 | }; | |
cf73b717 | 625 | |
481b97a1 | 626 | bool full = tpg->real_quantization == V4L2_QUANTIZATION_FULL_RANGE; |
afad4dd5 | 627 | unsigned y_offset = full ? 0 : 16; |
481b97a1 HV |
628 | int lin_y, yc; |
629 | ||
630 | switch (tpg->real_ycbcr_enc) { | |
631 | case V4L2_YCBCR_ENC_601: | |
afad4dd5 | 632 | rgb2ycbcr(full ? bt601_full : bt601, r, g, b, y_offset, y, cb, cr); |
481b97a1 | 633 | break; |
f6b8af22 HV |
634 | case V4L2_YCBCR_ENC_XV601: |
635 | /* Ignore quantization range, there is only one possible | |
636 | * Y'CbCr encoding. */ | |
637 | rgb2ycbcr(bt601, r, g, b, 16, y, cb, cr); | |
638 | break; | |
639 | case V4L2_YCBCR_ENC_XV709: | |
640 | /* Ignore quantization range, there is only one possible | |
641 | * Y'CbCr encoding. */ | |
642 | rgb2ycbcr(rec709, r, g, b, 16, y, cb, cr); | |
643 | break; | |
481b97a1 | 644 | case V4L2_YCBCR_ENC_BT2020: |
cf73b717 | 645 | rgb2ycbcr(full ? bt2020_full : bt2020, r, g, b, y_offset, y, cb, cr); |
63881df9 | 646 | break; |
481b97a1 HV |
647 | case V4L2_YCBCR_ENC_BT2020_CONST_LUM: |
648 | lin_y = (COEFF(0.2627, 255) * rec709_to_linear(r) + | |
649 | COEFF(0.6780, 255) * rec709_to_linear(g) + | |
650 | COEFF(0.0593, 255) * rec709_to_linear(b)) >> 16; | |
651 | yc = linear_to_rec709(lin_y); | |
bbfef49f | 652 | *y = full ? yc : (yc * 219) / 255 + (16 << 4); |
481b97a1 | 653 | if (b <= yc) |
bbfef49f | 654 | *cb = (((b - yc) * (full ? bt2020c_full[0] : bt2020c[0])) >> 16) + (128 << 4); |
481b97a1 | 655 | else |
bbfef49f | 656 | *cb = (((b - yc) * (full ? bt2020c_full[1] : bt2020c[1])) >> 16) + (128 << 4); |
481b97a1 | 657 | if (r <= yc) |
bbfef49f | 658 | *cr = (((r - yc) * (full ? bt2020c_full[2] : bt2020c[2])) >> 16) + (128 << 4); |
481b97a1 | 659 | else |
bbfef49f | 660 | *cr = (((r - yc) * (full ? bt2020c_full[3] : bt2020c[3])) >> 16) + (128 << 4); |
63881df9 | 661 | break; |
481b97a1 | 662 | case V4L2_YCBCR_ENC_SMPTE240M: |
c702f68a | 663 | rgb2ycbcr(full ? smpte240m_full : smpte240m, r, g, b, y_offset, y, cb, cr); |
481b97a1 HV |
664 | break; |
665 | case V4L2_YCBCR_ENC_709: | |
63881df9 | 666 | default: |
afad4dd5 | 667 | rgb2ycbcr(full ? rec709_full : rec709, r, g, b, y_offset, y, cb, cr); |
63881df9 HV |
668 | break; |
669 | } | |
63881df9 HV |
670 | } |
671 | ||
481b97a1 HV |
672 | static void ycbcr2rgb(const int m[3][3], int y, int cb, int cr, |
673 | int y_offset, int *r, int *g, int *b) | |
63881df9 | 674 | { |
481b97a1 | 675 | y -= y_offset << 4; |
63881df9 HV |
676 | cb -= 128 << 4; |
677 | cr -= 128 << 4; | |
481b97a1 HV |
678 | *r = m[0][0] * y + m[0][1] * cb + m[0][2] * cr; |
679 | *g = m[1][0] * y + m[1][1] * cb + m[1][2] * cr; | |
680 | *b = m[2][0] * y + m[2][1] * cb + m[2][2] * cr; | |
681 | *r = clamp(*r >> 12, 0, 0xff0); | |
682 | *g = clamp(*g >> 12, 0, 0xff0); | |
683 | *b = clamp(*b >> 12, 0, 0xff0); | |
63881df9 HV |
684 | } |
685 | ||
481b97a1 HV |
686 | static void ycbcr_to_color(struct tpg_data *tpg, int y, int cb, int cr, |
687 | int *r, int *g, int *b) | |
63881df9 | 688 | { |
481b97a1 HV |
689 | #undef COEFF |
690 | #define COEFF(v, r) ((int)(0.5 + (v) * ((255.0 * 255.0 * 16.0) / (r)))) | |
691 | static const int bt601[3][3] = { | |
692 | { COEFF(1, 219), COEFF(0, 224), COEFF(1.4020, 224) }, | |
693 | { COEFF(1, 219), COEFF(-0.3441, 224), COEFF(-0.7141, 224) }, | |
694 | { COEFF(1, 219), COEFF(1.7720, 224), COEFF(0, 224) }, | |
695 | }; | |
696 | static const int bt601_full[3][3] = { | |
697 | { COEFF(1, 255), COEFF(0, 255), COEFF(1.4020, 255) }, | |
698 | { COEFF(1, 255), COEFF(-0.3441, 255), COEFF(-0.7141, 255) }, | |
699 | { COEFF(1, 255), COEFF(1.7720, 255), COEFF(0, 255) }, | |
700 | }; | |
701 | static const int rec709[3][3] = { | |
702 | { COEFF(1, 219), COEFF(0, 224), COEFF(1.5748, 224) }, | |
703 | { COEFF(1, 219), COEFF(-0.1873, 224), COEFF(-0.4681, 224) }, | |
704 | { COEFF(1, 219), COEFF(1.8556, 224), COEFF(0, 224) }, | |
705 | }; | |
706 | static const int rec709_full[3][3] = { | |
707 | { COEFF(1, 255), COEFF(0, 255), COEFF(1.5748, 255) }, | |
708 | { COEFF(1, 255), COEFF(-0.1873, 255), COEFF(-0.4681, 255) }, | |
709 | { COEFF(1, 255), COEFF(1.8556, 255), COEFF(0, 255) }, | |
710 | }; | |
711 | static const int smpte240m[3][3] = { | |
712 | { COEFF(1, 219), COEFF(0, 224), COEFF(1.5756, 224) }, | |
713 | { COEFF(1, 219), COEFF(-0.2253, 224), COEFF(-0.4767, 224) }, | |
714 | { COEFF(1, 219), COEFF(1.8270, 224), COEFF(0, 224) }, | |
715 | }; | |
c702f68a HV |
716 | static const int smpte240m_full[3][3] = { |
717 | { COEFF(1, 255), COEFF(0, 255), COEFF(1.5756, 255) }, | |
718 | { COEFF(1, 255), COEFF(-0.2253, 255), COEFF(-0.4767, 255) }, | |
719 | { COEFF(1, 255), COEFF(1.8270, 255), COEFF(0, 255) }, | |
720 | }; | |
481b97a1 HV |
721 | static const int bt2020[3][3] = { |
722 | { COEFF(1, 219), COEFF(0, 224), COEFF(1.4746, 224) }, | |
723 | { COEFF(1, 219), COEFF(-0.1646, 224), COEFF(-0.5714, 224) }, | |
724 | { COEFF(1, 219), COEFF(1.8814, 224), COEFF(0, 224) }, | |
725 | }; | |
cf73b717 HV |
726 | static const int bt2020_full[3][3] = { |
727 | { COEFF(1, 255), COEFF(0, 255), COEFF(1.4746, 255) }, | |
728 | { COEFF(1, 255), COEFF(-0.1646, 255), COEFF(-0.5714, 255) }, | |
729 | { COEFF(1, 255), COEFF(1.8814, 255), COEFF(0, 255) }, | |
730 | }; | |
bbfef49f HV |
731 | static const int bt2020c[4] = { |
732 | COEFF(1.9404, 224), COEFF(1.5816, 224), | |
733 | COEFF(1.7184, 224), COEFF(0.9936, 224), | |
734 | }; | |
735 | static const int bt2020c_full[4] = { | |
736 | COEFF(1.9404, 255), COEFF(1.5816, 255), | |
737 | COEFF(1.7184, 255), COEFF(0.9936, 255), | |
738 | }; | |
739 | ||
481b97a1 | 740 | bool full = tpg->real_quantization == V4L2_QUANTIZATION_FULL_RANGE; |
afad4dd5 | 741 | unsigned y_offset = full ? 0 : 16; |
bbfef49f | 742 | int y_fac = full ? COEFF(1.0, 255) : COEFF(1.0, 219); |
481b97a1 HV |
743 | int lin_r, lin_g, lin_b, lin_y; |
744 | ||
745 | switch (tpg->real_ycbcr_enc) { | |
746 | case V4L2_YCBCR_ENC_601: | |
afad4dd5 | 747 | ycbcr2rgb(full ? bt601_full : bt601, y, cb, cr, y_offset, r, g, b); |
481b97a1 | 748 | break; |
f6b8af22 HV |
749 | case V4L2_YCBCR_ENC_XV601: |
750 | /* Ignore quantization range, there is only one possible | |
751 | * Y'CbCr encoding. */ | |
752 | ycbcr2rgb(bt601, y, cb, cr, 16, r, g, b); | |
753 | break; | |
754 | case V4L2_YCBCR_ENC_XV709: | |
755 | /* Ignore quantization range, there is only one possible | |
756 | * Y'CbCr encoding. */ | |
757 | ycbcr2rgb(rec709, y, cb, cr, 16, r, g, b); | |
758 | break; | |
481b97a1 | 759 | case V4L2_YCBCR_ENC_BT2020: |
cf73b717 | 760 | ycbcr2rgb(full ? bt2020_full : bt2020, y, cb, cr, y_offset, r, g, b); |
481b97a1 HV |
761 | break; |
762 | case V4L2_YCBCR_ENC_BT2020_CONST_LUM: | |
bbfef49f | 763 | y -= full ? 0 : 16 << 4; |
481b97a1 HV |
764 | cb -= 128 << 4; |
765 | cr -= 128 << 4; | |
63881df9 | 766 | |
481b97a1 | 767 | if (cb <= 0) |
bbfef49f | 768 | *b = y_fac * y + (full ? bt2020c_full[0] : bt2020c[0]) * cb; |
481b97a1 | 769 | else |
bbfef49f | 770 | *b = y_fac * y + (full ? bt2020c_full[1] : bt2020c[1]) * cb; |
481b97a1 HV |
771 | *b = *b >> 12; |
772 | if (cr <= 0) | |
bbfef49f | 773 | *r = y_fac * y + (full ? bt2020c_full[2] : bt2020c[2]) * cr; |
481b97a1 | 774 | else |
bbfef49f | 775 | *r = y_fac * y + (full ? bt2020c_full[3] : bt2020c[3]) * cr; |
481b97a1 HV |
776 | *r = *r >> 12; |
777 | lin_r = rec709_to_linear(*r); | |
778 | lin_b = rec709_to_linear(*b); | |
bbfef49f | 779 | lin_y = rec709_to_linear((y * 255) / (full ? 255 : 219)); |
481b97a1 HV |
780 | |
781 | lin_g = COEFF(1.0 / 0.6780, 255) * lin_y - | |
782 | COEFF(0.2627 / 0.6780, 255) * lin_r - | |
783 | COEFF(0.0593 / 0.6780, 255) * lin_b; | |
784 | *g = linear_to_rec709(lin_g >> 12); | |
63881df9 | 785 | break; |
481b97a1 | 786 | case V4L2_YCBCR_ENC_SMPTE240M: |
c702f68a | 787 | ycbcr2rgb(full ? smpte240m_full : smpte240m, y, cb, cr, y_offset, r, g, b); |
63881df9 | 788 | break; |
481b97a1 | 789 | case V4L2_YCBCR_ENC_709: |
63881df9 | 790 | default: |
afad4dd5 | 791 | ycbcr2rgb(full ? rec709_full : rec709, y, cb, cr, y_offset, r, g, b); |
63881df9 HV |
792 | break; |
793 | } | |
63881df9 HV |
794 | } |
795 | ||
796 | /* precalculate color bar values to speed up rendering */ | |
797 | static void precalculate_color(struct tpg_data *tpg, int k) | |
798 | { | |
799 | int col = k; | |
800 | int r = tpg_colors[col].r; | |
801 | int g = tpg_colors[col].g; | |
802 | int b = tpg_colors[col].b; | |
7a20f398 RRD |
803 | int y, cb, cr; |
804 | bool ycbcr_valid = false; | |
63881df9 HV |
805 | |
806 | if (k == TPG_COLOR_TEXTBG) { | |
807 | col = tpg_get_textbg_color(tpg); | |
808 | ||
809 | r = tpg_colors[col].r; | |
810 | g = tpg_colors[col].g; | |
811 | b = tpg_colors[col].b; | |
812 | } else if (k == TPG_COLOR_TEXTFG) { | |
813 | col = tpg_get_textfg_color(tpg); | |
814 | ||
815 | r = tpg_colors[col].r; | |
816 | g = tpg_colors[col].g; | |
817 | b = tpg_colors[col].b; | |
818 | } else if (tpg->pattern == TPG_PAT_NOISE) { | |
819 | r = g = b = prandom_u32_max(256); | |
820 | } else if (k == TPG_COLOR_RANDOM) { | |
821 | r = g = b = tpg->qual_offset + prandom_u32_max(196); | |
822 | } else if (k >= TPG_COLOR_RAMP) { | |
823 | r = g = b = k - TPG_COLOR_RAMP; | |
824 | } | |
825 | ||
826 | if (tpg->pattern == TPG_PAT_CSC_COLORBAR && col <= TPG_COLOR_CSC_BLACK) { | |
78aad7f8 HV |
827 | r = tpg_csc_colors[tpg->colorspace][tpg->real_xfer_func][col].r; |
828 | g = tpg_csc_colors[tpg->colorspace][tpg->real_xfer_func][col].g; | |
829 | b = tpg_csc_colors[tpg->colorspace][tpg->real_xfer_func][col].b; | |
63881df9 HV |
830 | } else { |
831 | r <<= 4; | |
832 | g <<= 4; | |
833 | b <<= 4; | |
834 | } | |
ca2b32da RRD |
835 | |
836 | if (tpg->qual == TPG_QUAL_GRAY || | |
837 | tpg->color_enc == TGP_COLOR_ENC_LUMA) { | |
481b97a1 HV |
838 | /* Rec. 709 Luma function */ |
839 | /* (0.2126, 0.7152, 0.0722) * (255 * 256) */ | |
9c35bd48 | 840 | r = g = b = (13879 * r + 46688 * g + 4713 * b) >> 16; |
481b97a1 | 841 | } |
63881df9 HV |
842 | |
843 | /* | |
844 | * The assumption is that the RGB output is always full range, | |
845 | * so only if the rgb_range overrides the 'real' rgb range do | |
846 | * we need to convert the RGB values. | |
847 | * | |
63881df9 HV |
848 | * Remember that r, g and b are still in the 0 - 0xff0 range. |
849 | */ | |
850 | if (tpg->real_rgb_range == V4L2_DV_RGB_RANGE_LIMITED && | |
646895e9 RRD |
851 | tpg->rgb_range == V4L2_DV_RGB_RANGE_FULL && |
852 | tpg->color_enc == TGP_COLOR_ENC_RGB) { | |
63881df9 HV |
853 | /* |
854 | * Convert from full range (which is what r, g and b are) | |
855 | * to limited range (which is the 'real' RGB range), which | |
856 | * is then interpreted as full range. | |
857 | */ | |
858 | r = (r * 219) / 255 + (16 << 4); | |
859 | g = (g * 219) / 255 + (16 << 4); | |
860 | b = (b * 219) / 255 + (16 << 4); | |
861 | } else if (tpg->real_rgb_range != V4L2_DV_RGB_RANGE_LIMITED && | |
646895e9 RRD |
862 | tpg->rgb_range == V4L2_DV_RGB_RANGE_LIMITED && |
863 | tpg->color_enc == TGP_COLOR_ENC_RGB) { | |
864 | ||
63881df9 HV |
865 | /* |
866 | * Clamp r, g and b to the limited range and convert to full | |
867 | * range since that's what we deliver. | |
868 | */ | |
869 | r = clamp(r, 16 << 4, 235 << 4); | |
870 | g = clamp(g, 16 << 4, 235 << 4); | |
871 | b = clamp(b, 16 << 4, 235 << 4); | |
872 | r = (r - (16 << 4)) * 255 / 219; | |
873 | g = (g - (16 << 4)) * 255 / 219; | |
874 | b = (b - (16 << 4)) * 255 / 219; | |
875 | } | |
876 | ||
ca2b32da RRD |
877 | if ((tpg->brightness != 128 || tpg->contrast != 128 || |
878 | tpg->saturation != 128 || tpg->hue) && | |
879 | tpg->color_enc != TGP_COLOR_ENC_LUMA) { | |
63881df9 | 880 | /* Implement these operations */ |
481b97a1 | 881 | int tmp_cb, tmp_cr; |
63881df9 HV |
882 | |
883 | /* First convert to YCbCr */ | |
481b97a1 HV |
884 | |
885 | color_to_ycbcr(tpg, r, g, b, &y, &cb, &cr); | |
63881df9 HV |
886 | |
887 | y = (16 << 4) + ((y - (16 << 4)) * tpg->contrast) / 128; | |
888 | y += (tpg->brightness << 4) - (128 << 4); | |
889 | ||
890 | cb -= 128 << 4; | |
891 | cr -= 128 << 4; | |
892 | tmp_cb = (cb * cos(128 + tpg->hue)) / 127 + (cr * sin[128 + tpg->hue]) / 127; | |
893 | tmp_cr = (cr * cos(128 + tpg->hue)) / 127 - (cb * sin[128 + tpg->hue]) / 127; | |
894 | ||
895 | cb = (128 << 4) + (tmp_cb * tpg->contrast * tpg->saturation) / (128 * 128); | |
896 | cr = (128 << 4) + (tmp_cr * tpg->contrast * tpg->saturation) / (128 * 128); | |
7a20f398 RRD |
897 | if (tpg->color_enc == TGP_COLOR_ENC_YCBCR) |
898 | ycbcr_valid = true; | |
899 | else | |
900 | ycbcr_to_color(tpg, y, cb, cr, &r, &g, &b); | |
ca2b32da RRD |
901 | } else if ((tpg->brightness != 128 || tpg->contrast != 128) && |
902 | tpg->color_enc == TGP_COLOR_ENC_LUMA) { | |
903 | r = (16 << 4) + ((r - (16 << 4)) * tpg->contrast) / 128; | |
904 | r += (tpg->brightness << 4) - (128 << 4); | |
63881df9 HV |
905 | } |
906 | ||
54fb1534 RRD |
907 | switch (tpg->color_enc) { |
908 | case TGP_COLOR_ENC_HSV: | |
909 | { | |
910 | int h, s, v; | |
911 | ||
912 | color_to_hsv(tpg, r, g, b, &h, &s, &v); | |
913 | tpg->colors[k][0] = h; | |
914 | tpg->colors[k][1] = s; | |
915 | tpg->colors[k][2] = v; | |
916 | break; | |
917 | } | |
918 | case TGP_COLOR_ENC_YCBCR: | |
919 | { | |
63881df9 | 920 | /* Convert to YCbCr */ |
7a20f398 RRD |
921 | if (!ycbcr_valid) |
922 | color_to_ycbcr(tpg, r, g, b, &y, &cb, &cr); | |
63881df9 | 923 | |
f1eb926d RRD |
924 | y >>= 4; |
925 | cb >>= 4; | |
926 | cr >>= 4; | |
4aed35ca HV |
927 | /* |
928 | * XV601/709 use the header/footer margins to encode R', G' | |
929 | * and B' values outside the range [0-1]. So do not clamp | |
930 | * XV601/709 values. | |
931 | */ | |
932 | if (tpg->real_quantization == V4L2_QUANTIZATION_LIM_RANGE && | |
933 | tpg->real_ycbcr_enc != V4L2_YCBCR_ENC_XV601 && | |
934 | tpg->real_ycbcr_enc != V4L2_YCBCR_ENC_XV709) { | |
f1eb926d RRD |
935 | y = clamp(y, 16, 235); |
936 | cb = clamp(cb, 16, 240); | |
937 | cr = clamp(cr, 16, 240); | |
938 | } else { | |
939 | y = clamp(y, 1, 254); | |
940 | cb = clamp(cb, 1, 254); | |
941 | cr = clamp(cr, 1, 254); | |
481b97a1 | 942 | } |
628821c8 HV |
943 | switch (tpg->fourcc) { |
944 | case V4L2_PIX_FMT_YUV444: | |
945 | y >>= 4; | |
946 | cb >>= 4; | |
947 | cr >>= 4; | |
948 | break; | |
949 | case V4L2_PIX_FMT_YUV555: | |
950 | y >>= 3; | |
951 | cb >>= 3; | |
952 | cr >>= 3; | |
953 | break; | |
954 | case V4L2_PIX_FMT_YUV565: | |
955 | y >>= 3; | |
956 | cb >>= 2; | |
957 | cr >>= 3; | |
958 | break; | |
959 | } | |
960 | tpg->colors[k][0] = y; | |
961 | tpg->colors[k][1] = cb; | |
962 | tpg->colors[k][2] = cr; | |
54fb1534 RRD |
963 | break; |
964 | } | |
ca2b32da RRD |
965 | case TGP_COLOR_ENC_LUMA: |
966 | { | |
967 | tpg->colors[k][0] = r >> 4; | |
968 | break; | |
969 | } | |
54fb1534 RRD |
970 | case TGP_COLOR_ENC_RGB: |
971 | { | |
481b97a1 HV |
972 | if (tpg->real_quantization == V4L2_QUANTIZATION_LIM_RANGE) { |
973 | r = (r * 219) / 255 + (16 << 4); | |
974 | g = (g * 219) / 255 + (16 << 4); | |
975 | b = (b * 219) / 255 + (16 << 4); | |
976 | } | |
63881df9 | 977 | switch (tpg->fourcc) { |
71491063 HV |
978 | case V4L2_PIX_FMT_RGB332: |
979 | r >>= 9; | |
980 | g >>= 9; | |
981 | b >>= 10; | |
982 | break; | |
63881df9 HV |
983 | case V4L2_PIX_FMT_RGB565: |
984 | case V4L2_PIX_FMT_RGB565X: | |
985 | r >>= 7; | |
986 | g >>= 6; | |
987 | b >>= 7; | |
988 | break; | |
8aca230b HV |
989 | case V4L2_PIX_FMT_RGB444: |
990 | case V4L2_PIX_FMT_XRGB444: | |
991 | case V4L2_PIX_FMT_ARGB444: | |
992 | r >>= 8; | |
993 | g >>= 8; | |
994 | b >>= 8; | |
995 | break; | |
63881df9 HV |
996 | case V4L2_PIX_FMT_RGB555: |
997 | case V4L2_PIX_FMT_XRGB555: | |
998 | case V4L2_PIX_FMT_ARGB555: | |
999 | case V4L2_PIX_FMT_RGB555X: | |
8f1ff543 HV |
1000 | case V4L2_PIX_FMT_XRGB555X: |
1001 | case V4L2_PIX_FMT_ARGB555X: | |
63881df9 HV |
1002 | r >>= 7; |
1003 | g >>= 7; | |
1004 | b >>= 7; | |
1005 | break; | |
68cd4e9f HV |
1006 | case V4L2_PIX_FMT_BGR666: |
1007 | r >>= 6; | |
1008 | g >>= 6; | |
1009 | b >>= 6; | |
1010 | break; | |
63881df9 HV |
1011 | default: |
1012 | r >>= 4; | |
1013 | g >>= 4; | |
1014 | b >>= 4; | |
1015 | break; | |
1016 | } | |
1017 | ||
1018 | tpg->colors[k][0] = r; | |
1019 | tpg->colors[k][1] = g; | |
1020 | tpg->colors[k][2] = b; | |
54fb1534 RRD |
1021 | break; |
1022 | } | |
63881df9 HV |
1023 | } |
1024 | } | |
1025 | ||
1026 | static void tpg_precalculate_colors(struct tpg_data *tpg) | |
1027 | { | |
1028 | int k; | |
1029 | ||
1030 | for (k = 0; k < TPG_COLOR_MAX; k++) | |
1031 | precalculate_color(tpg, k); | |
1032 | } | |
1033 | ||
1034 | /* 'odd' is true for pixels 1, 3, 5, etc. and false for pixels 0, 2, 4, etc. */ | |
1035 | static void gen_twopix(struct tpg_data *tpg, | |
1036 | u8 buf[TPG_MAX_PLANES][8], int color, bool odd) | |
1037 | { | |
1038 | unsigned offset = odd * tpg->twopixelsize[0] / 2; | |
1039 | u8 alpha = tpg->alpha_component; | |
25e90073 | 1040 | u8 r_y_h, g_u_s, b_v; |
63881df9 HV |
1041 | |
1042 | if (tpg->alpha_red_only && color != TPG_COLOR_CSC_RED && | |
1043 | color != TPG_COLOR_100_RED && | |
1044 | color != TPG_COLOR_75_RED) | |
1045 | alpha = 0; | |
1046 | if (color == TPG_COLOR_RANDOM) | |
1047 | precalculate_color(tpg, color); | |
25e90073 RRD |
1048 | r_y_h = tpg->colors[color][0]; /* R or precalculated Y, H */ |
1049 | g_u_s = tpg->colors[color][1]; /* G or precalculated U, V */ | |
63881df9 HV |
1050 | b_v = tpg->colors[color][2]; /* B or precalculated V */ |
1051 | ||
1052 | switch (tpg->fourcc) { | |
51f30968 | 1053 | case V4L2_PIX_FMT_GREY: |
25e90073 | 1054 | buf[0][offset] = r_y_h; |
51f30968 | 1055 | break; |
b89fdb5e HV |
1056 | case V4L2_PIX_FMT_Y10: |
1057 | buf[0][offset] = (r_y_h << 2) & 0xff; | |
1058 | buf[0][offset+1] = r_y_h >> 6; | |
1059 | break; | |
1060 | case V4L2_PIX_FMT_Y12: | |
1061 | buf[0][offset] = (r_y_h << 4) & 0xff; | |
1062 | buf[0][offset+1] = r_y_h >> 4; | |
1063 | break; | |
18b3b3b8 | 1064 | case V4L2_PIX_FMT_Y16: |
afeef4ee | 1065 | /* |
25e90073 | 1066 | * Ideally both bytes should be set to r_y_h, but then you won't |
afeef4ee | 1067 | * be able to detect endian problems. So keep it 0 except for |
25e90073 | 1068 | * the corner case where r_y_h is 0xff so white really will be |
afeef4ee HV |
1069 | * white (0xffff). |
1070 | */ | |
25e90073 RRD |
1071 | buf[0][offset] = r_y_h == 0xff ? r_y_h : 0; |
1072 | buf[0][offset+1] = r_y_h; | |
18b3b3b8 | 1073 | break; |
b0ce23f0 | 1074 | case V4L2_PIX_FMT_Y16_BE: |
afeef4ee | 1075 | /* See comment for V4L2_PIX_FMT_Y16 above */ |
25e90073 RRD |
1076 | buf[0][offset] = r_y_h; |
1077 | buf[0][offset+1] = r_y_h == 0xff ? r_y_h : 0; | |
b0ce23f0 | 1078 | break; |
00036b30 | 1079 | case V4L2_PIX_FMT_YUV422M: |
68c90d64 HV |
1080 | case V4L2_PIX_FMT_YUV422P: |
1081 | case V4L2_PIX_FMT_YUV420: | |
1082 | case V4L2_PIX_FMT_YUV420M: | |
25e90073 | 1083 | buf[0][offset] = r_y_h; |
68c90d64 | 1084 | if (odd) { |
25e90073 | 1085 | buf[1][0] = (buf[1][0] + g_u_s) / 2; |
68c90d64 HV |
1086 | buf[2][0] = (buf[2][0] + b_v) / 2; |
1087 | buf[1][1] = buf[1][0]; | |
1088 | buf[2][1] = buf[2][0]; | |
1089 | break; | |
1090 | } | |
25e90073 | 1091 | buf[1][0] = g_u_s; |
68c90d64 HV |
1092 | buf[2][0] = b_v; |
1093 | break; | |
00036b30 | 1094 | case V4L2_PIX_FMT_YVU422M: |
68c90d64 HV |
1095 | case V4L2_PIX_FMT_YVU420: |
1096 | case V4L2_PIX_FMT_YVU420M: | |
25e90073 | 1097 | buf[0][offset] = r_y_h; |
68c90d64 HV |
1098 | if (odd) { |
1099 | buf[1][0] = (buf[1][0] + b_v) / 2; | |
25e90073 | 1100 | buf[2][0] = (buf[2][0] + g_u_s) / 2; |
68c90d64 HV |
1101 | buf[1][1] = buf[1][0]; |
1102 | buf[2][1] = buf[2][0]; | |
1103 | break; | |
1104 | } | |
1105 | buf[1][0] = b_v; | |
25e90073 | 1106 | buf[2][0] = g_u_s; |
68c90d64 HV |
1107 | break; |
1108 | ||
1109 | case V4L2_PIX_FMT_NV12: | |
1110 | case V4L2_PIX_FMT_NV12M: | |
1111 | case V4L2_PIX_FMT_NV16: | |
63881df9 | 1112 | case V4L2_PIX_FMT_NV16M: |
25e90073 | 1113 | buf[0][offset] = r_y_h; |
1f088dc1 | 1114 | if (odd) { |
25e90073 | 1115 | buf[1][0] = (buf[1][0] + g_u_s) / 2; |
1f088dc1 HV |
1116 | buf[1][1] = (buf[1][1] + b_v) / 2; |
1117 | break; | |
1118 | } | |
25e90073 | 1119 | buf[1][0] = g_u_s; |
1f088dc1 | 1120 | buf[1][1] = b_v; |
63881df9 | 1121 | break; |
68c90d64 HV |
1122 | case V4L2_PIX_FMT_NV21: |
1123 | case V4L2_PIX_FMT_NV21M: | |
1124 | case V4L2_PIX_FMT_NV61: | |
63881df9 | 1125 | case V4L2_PIX_FMT_NV61M: |
25e90073 | 1126 | buf[0][offset] = r_y_h; |
1f088dc1 HV |
1127 | if (odd) { |
1128 | buf[1][0] = (buf[1][0] + b_v) / 2; | |
25e90073 | 1129 | buf[1][1] = (buf[1][1] + g_u_s) / 2; |
1f088dc1 HV |
1130 | break; |
1131 | } | |
1132 | buf[1][0] = b_v; | |
25e90073 | 1133 | buf[1][1] = g_u_s; |
63881df9 HV |
1134 | break; |
1135 | ||
00036b30 | 1136 | case V4L2_PIX_FMT_YUV444M: |
25e90073 RRD |
1137 | buf[0][offset] = r_y_h; |
1138 | buf[1][offset] = g_u_s; | |
00036b30 HV |
1139 | buf[2][offset] = b_v; |
1140 | break; | |
1141 | ||
1142 | case V4L2_PIX_FMT_YVU444M: | |
25e90073 | 1143 | buf[0][offset] = r_y_h; |
00036b30 | 1144 | buf[1][offset] = b_v; |
25e90073 | 1145 | buf[2][offset] = g_u_s; |
00036b30 HV |
1146 | break; |
1147 | ||
dde72bd7 | 1148 | case V4L2_PIX_FMT_NV24: |
25e90073 RRD |
1149 | buf[0][offset] = r_y_h; |
1150 | buf[1][2 * offset] = g_u_s; | |
1a086879 | 1151 | buf[1][(2 * offset + 1) % 8] = b_v; |
dde72bd7 HV |
1152 | break; |
1153 | ||
1154 | case V4L2_PIX_FMT_NV42: | |
25e90073 | 1155 | buf[0][offset] = r_y_h; |
dde72bd7 | 1156 | buf[1][2 * offset] = b_v; |
e605e9e3 | 1157 | buf[1][(2 * offset + 1) % 8] = g_u_s; |
dde72bd7 HV |
1158 | break; |
1159 | ||
63881df9 | 1160 | case V4L2_PIX_FMT_YUYV: |
25e90073 | 1161 | buf[0][offset] = r_y_h; |
1f088dc1 | 1162 | if (odd) { |
25e90073 | 1163 | buf[0][1] = (buf[0][1] + g_u_s) / 2; |
1f088dc1 HV |
1164 | buf[0][3] = (buf[0][3] + b_v) / 2; |
1165 | break; | |
1166 | } | |
25e90073 | 1167 | buf[0][1] = g_u_s; |
1f088dc1 | 1168 | buf[0][3] = b_v; |
63881df9 HV |
1169 | break; |
1170 | case V4L2_PIX_FMT_UYVY: | |
25e90073 | 1171 | buf[0][offset + 1] = r_y_h; |
1f088dc1 | 1172 | if (odd) { |
25e90073 | 1173 | buf[0][0] = (buf[0][0] + g_u_s) / 2; |
1f088dc1 HV |
1174 | buf[0][2] = (buf[0][2] + b_v) / 2; |
1175 | break; | |
1176 | } | |
25e90073 | 1177 | buf[0][0] = g_u_s; |
1f088dc1 | 1178 | buf[0][2] = b_v; |
63881df9 HV |
1179 | break; |
1180 | case V4L2_PIX_FMT_YVYU: | |
25e90073 | 1181 | buf[0][offset] = r_y_h; |
1f088dc1 HV |
1182 | if (odd) { |
1183 | buf[0][1] = (buf[0][1] + b_v) / 2; | |
25e90073 | 1184 | buf[0][3] = (buf[0][3] + g_u_s) / 2; |
1f088dc1 HV |
1185 | break; |
1186 | } | |
1187 | buf[0][1] = b_v; | |
25e90073 | 1188 | buf[0][3] = g_u_s; |
63881df9 HV |
1189 | break; |
1190 | case V4L2_PIX_FMT_VYUY: | |
25e90073 | 1191 | buf[0][offset + 1] = r_y_h; |
1f088dc1 HV |
1192 | if (odd) { |
1193 | buf[0][0] = (buf[0][0] + b_v) / 2; | |
25e90073 | 1194 | buf[0][2] = (buf[0][2] + g_u_s) / 2; |
1f088dc1 HV |
1195 | break; |
1196 | } | |
1197 | buf[0][0] = b_v; | |
25e90073 | 1198 | buf[0][2] = g_u_s; |
63881df9 | 1199 | break; |
71491063 | 1200 | case V4L2_PIX_FMT_RGB332: |
25e90073 | 1201 | buf[0][offset] = (r_y_h << 5) | (g_u_s << 2) | b_v; |
71491063 | 1202 | break; |
628821c8 | 1203 | case V4L2_PIX_FMT_YUV565: |
63881df9 | 1204 | case V4L2_PIX_FMT_RGB565: |
25e90073 RRD |
1205 | buf[0][offset] = (g_u_s << 5) | b_v; |
1206 | buf[0][offset + 1] = (r_y_h << 3) | (g_u_s >> 3); | |
63881df9 HV |
1207 | break; |
1208 | case V4L2_PIX_FMT_RGB565X: | |
25e90073 RRD |
1209 | buf[0][offset] = (r_y_h << 3) | (g_u_s >> 3); |
1210 | buf[0][offset + 1] = (g_u_s << 5) | b_v; | |
63881df9 | 1211 | break; |
8aca230b HV |
1212 | case V4L2_PIX_FMT_RGB444: |
1213 | case V4L2_PIX_FMT_XRGB444: | |
1214 | alpha = 0; | |
1215 | /* fall through */ | |
628821c8 | 1216 | case V4L2_PIX_FMT_YUV444: |
8aca230b | 1217 | case V4L2_PIX_FMT_ARGB444: |
25e90073 RRD |
1218 | buf[0][offset] = (g_u_s << 4) | b_v; |
1219 | buf[0][offset + 1] = (alpha & 0xf0) | r_y_h; | |
8aca230b | 1220 | break; |
63881df9 HV |
1221 | case V4L2_PIX_FMT_RGB555: |
1222 | case V4L2_PIX_FMT_XRGB555: | |
1223 | alpha = 0; | |
1224 | /* fall through */ | |
628821c8 | 1225 | case V4L2_PIX_FMT_YUV555: |
63881df9 | 1226 | case V4L2_PIX_FMT_ARGB555: |
25e90073 RRD |
1227 | buf[0][offset] = (g_u_s << 5) | b_v; |
1228 | buf[0][offset + 1] = (alpha & 0x80) | (r_y_h << 2) | |
1229 | | (g_u_s >> 3); | |
63881df9 HV |
1230 | break; |
1231 | case V4L2_PIX_FMT_RGB555X: | |
8f1ff543 HV |
1232 | case V4L2_PIX_FMT_XRGB555X: |
1233 | alpha = 0; | |
1234 | /* fall through */ | |
1235 | case V4L2_PIX_FMT_ARGB555X: | |
25e90073 RRD |
1236 | buf[0][offset] = (alpha & 0x80) | (r_y_h << 2) | (g_u_s >> 3); |
1237 | buf[0][offset + 1] = (g_u_s << 5) | b_v; | |
63881df9 HV |
1238 | break; |
1239 | case V4L2_PIX_FMT_RGB24: | |
54fb1534 | 1240 | case V4L2_PIX_FMT_HSV24: |
25e90073 RRD |
1241 | buf[0][offset] = r_y_h; |
1242 | buf[0][offset + 1] = g_u_s; | |
63881df9 HV |
1243 | buf[0][offset + 2] = b_v; |
1244 | break; | |
1245 | case V4L2_PIX_FMT_BGR24: | |
1246 | buf[0][offset] = b_v; | |
25e90073 RRD |
1247 | buf[0][offset + 1] = g_u_s; |
1248 | buf[0][offset + 2] = r_y_h; | |
63881df9 | 1249 | break; |
68cd4e9f | 1250 | case V4L2_PIX_FMT_BGR666: |
25e90073 RRD |
1251 | buf[0][offset] = (b_v << 2) | (g_u_s >> 4); |
1252 | buf[0][offset + 1] = (g_u_s << 4) | (r_y_h >> 2); | |
1253 | buf[0][offset + 2] = r_y_h << 6; | |
68cd4e9f HV |
1254 | buf[0][offset + 3] = 0; |
1255 | break; | |
63881df9 HV |
1256 | case V4L2_PIX_FMT_RGB32: |
1257 | case V4L2_PIX_FMT_XRGB32: | |
54fb1534 | 1258 | case V4L2_PIX_FMT_HSV32: |
63881df9 HV |
1259 | alpha = 0; |
1260 | /* fall through */ | |
628821c8 | 1261 | case V4L2_PIX_FMT_YUV32: |
63881df9 HV |
1262 | case V4L2_PIX_FMT_ARGB32: |
1263 | buf[0][offset] = alpha; | |
25e90073 RRD |
1264 | buf[0][offset + 1] = r_y_h; |
1265 | buf[0][offset + 2] = g_u_s; | |
63881df9 HV |
1266 | buf[0][offset + 3] = b_v; |
1267 | break; | |
1268 | case V4L2_PIX_FMT_BGR32: | |
1269 | case V4L2_PIX_FMT_XBGR32: | |
1270 | alpha = 0; | |
1271 | /* fall through */ | |
1272 | case V4L2_PIX_FMT_ABGR32: | |
1273 | buf[0][offset] = b_v; | |
25e90073 RRD |
1274 | buf[0][offset + 1] = g_u_s; |
1275 | buf[0][offset + 2] = r_y_h; | |
63881df9 HV |
1276 | buf[0][offset + 3] = alpha; |
1277 | break; | |
02aa769d | 1278 | case V4L2_PIX_FMT_SBGGR8: |
25e90073 RRD |
1279 | buf[0][offset] = odd ? g_u_s : b_v; |
1280 | buf[1][offset] = odd ? r_y_h : g_u_s; | |
02aa769d HV |
1281 | break; |
1282 | case V4L2_PIX_FMT_SGBRG8: | |
25e90073 RRD |
1283 | buf[0][offset] = odd ? b_v : g_u_s; |
1284 | buf[1][offset] = odd ? g_u_s : r_y_h; | |
02aa769d HV |
1285 | break; |
1286 | case V4L2_PIX_FMT_SGRBG8: | |
25e90073 RRD |
1287 | buf[0][offset] = odd ? r_y_h : g_u_s; |
1288 | buf[1][offset] = odd ? g_u_s : b_v; | |
02aa769d HV |
1289 | break; |
1290 | case V4L2_PIX_FMT_SRGGB8: | |
25e90073 RRD |
1291 | buf[0][offset] = odd ? g_u_s : r_y_h; |
1292 | buf[1][offset] = odd ? b_v : g_u_s; | |
02aa769d | 1293 | break; |
b96c544f | 1294 | case V4L2_PIX_FMT_SBGGR10: |
25e90073 RRD |
1295 | buf[0][offset] = odd ? g_u_s << 2 : b_v << 2; |
1296 | buf[0][offset + 1] = odd ? g_u_s >> 6 : b_v >> 6; | |
1297 | buf[1][offset] = odd ? r_y_h << 2 : g_u_s << 2; | |
1298 | buf[1][offset + 1] = odd ? r_y_h >> 6 : g_u_s >> 6; | |
b96c544f HV |
1299 | buf[0][offset] |= (buf[0][offset] >> 2) & 3; |
1300 | buf[1][offset] |= (buf[1][offset] >> 2) & 3; | |
1301 | break; | |
1302 | case V4L2_PIX_FMT_SGBRG10: | |
25e90073 RRD |
1303 | buf[0][offset] = odd ? b_v << 2 : g_u_s << 2; |
1304 | buf[0][offset + 1] = odd ? b_v >> 6 : g_u_s >> 6; | |
1305 | buf[1][offset] = odd ? g_u_s << 2 : r_y_h << 2; | |
1306 | buf[1][offset + 1] = odd ? g_u_s >> 6 : r_y_h >> 6; | |
b96c544f HV |
1307 | buf[0][offset] |= (buf[0][offset] >> 2) & 3; |
1308 | buf[1][offset] |= (buf[1][offset] >> 2) & 3; | |
1309 | break; | |
1310 | case V4L2_PIX_FMT_SGRBG10: | |
25e90073 RRD |
1311 | buf[0][offset] = odd ? r_y_h << 2 : g_u_s << 2; |
1312 | buf[0][offset + 1] = odd ? r_y_h >> 6 : g_u_s >> 6; | |
1313 | buf[1][offset] = odd ? g_u_s << 2 : b_v << 2; | |
1314 | buf[1][offset + 1] = odd ? g_u_s >> 6 : b_v >> 6; | |
b96c544f HV |
1315 | buf[0][offset] |= (buf[0][offset] >> 2) & 3; |
1316 | buf[1][offset] |= (buf[1][offset] >> 2) & 3; | |
1317 | break; | |
1318 | case V4L2_PIX_FMT_SRGGB10: | |
25e90073 RRD |
1319 | buf[0][offset] = odd ? g_u_s << 2 : r_y_h << 2; |
1320 | buf[0][offset + 1] = odd ? g_u_s >> 6 : r_y_h >> 6; | |
1321 | buf[1][offset] = odd ? b_v << 2 : g_u_s << 2; | |
1322 | buf[1][offset + 1] = odd ? b_v >> 6 : g_u_s >> 6; | |
b96c544f HV |
1323 | buf[0][offset] |= (buf[0][offset] >> 2) & 3; |
1324 | buf[1][offset] |= (buf[1][offset] >> 2) & 3; | |
1325 | break; | |
1326 | case V4L2_PIX_FMT_SBGGR12: | |
25e90073 RRD |
1327 | buf[0][offset] = odd ? g_u_s << 4 : b_v << 4; |
1328 | buf[0][offset + 1] = odd ? g_u_s >> 4 : b_v >> 4; | |
1329 | buf[1][offset] = odd ? r_y_h << 4 : g_u_s << 4; | |
1330 | buf[1][offset + 1] = odd ? r_y_h >> 4 : g_u_s >> 4; | |
b96c544f HV |
1331 | buf[0][offset] |= (buf[0][offset] >> 4) & 0xf; |
1332 | buf[1][offset] |= (buf[1][offset] >> 4) & 0xf; | |
1333 | break; | |
1334 | case V4L2_PIX_FMT_SGBRG12: | |
25e90073 RRD |
1335 | buf[0][offset] = odd ? b_v << 4 : g_u_s << 4; |
1336 | buf[0][offset + 1] = odd ? b_v >> 4 : g_u_s >> 4; | |
1337 | buf[1][offset] = odd ? g_u_s << 4 : r_y_h << 4; | |
1338 | buf[1][offset + 1] = odd ? g_u_s >> 4 : r_y_h >> 4; | |
b96c544f HV |
1339 | buf[0][offset] |= (buf[0][offset] >> 4) & 0xf; |
1340 | buf[1][offset] |= (buf[1][offset] >> 4) & 0xf; | |
1341 | break; | |
1342 | case V4L2_PIX_FMT_SGRBG12: | |
25e90073 RRD |
1343 | buf[0][offset] = odd ? r_y_h << 4 : g_u_s << 4; |
1344 | buf[0][offset + 1] = odd ? r_y_h >> 4 : g_u_s >> 4; | |
1345 | buf[1][offset] = odd ? g_u_s << 4 : b_v << 4; | |
1346 | buf[1][offset + 1] = odd ? g_u_s >> 4 : b_v >> 4; | |
b96c544f HV |
1347 | buf[0][offset] |= (buf[0][offset] >> 4) & 0xf; |
1348 | buf[1][offset] |= (buf[1][offset] >> 4) & 0xf; | |
1349 | break; | |
1350 | case V4L2_PIX_FMT_SRGGB12: | |
25e90073 RRD |
1351 | buf[0][offset] = odd ? g_u_s << 4 : r_y_h << 4; |
1352 | buf[0][offset + 1] = odd ? g_u_s >> 4 : r_y_h >> 4; | |
1353 | buf[1][offset] = odd ? b_v << 4 : g_u_s << 4; | |
1354 | buf[1][offset + 1] = odd ? b_v >> 4 : g_u_s >> 4; | |
b96c544f HV |
1355 | buf[0][offset] |= (buf[0][offset] >> 4) & 0xf; |
1356 | buf[1][offset] |= (buf[1][offset] >> 4) & 0xf; | |
1357 | break; | |
02aa769d HV |
1358 | } |
1359 | } | |
1360 | ||
1361 | unsigned tpg_g_interleaved_plane(const struct tpg_data *tpg, unsigned buf_line) | |
1362 | { | |
1363 | switch (tpg->fourcc) { | |
1364 | case V4L2_PIX_FMT_SBGGR8: | |
1365 | case V4L2_PIX_FMT_SGBRG8: | |
1366 | case V4L2_PIX_FMT_SGRBG8: | |
1367 | case V4L2_PIX_FMT_SRGGB8: | |
b96c544f HV |
1368 | case V4L2_PIX_FMT_SBGGR10: |
1369 | case V4L2_PIX_FMT_SGBRG10: | |
1370 | case V4L2_PIX_FMT_SGRBG10: | |
1371 | case V4L2_PIX_FMT_SRGGB10: | |
1372 | case V4L2_PIX_FMT_SBGGR12: | |
1373 | case V4L2_PIX_FMT_SGBRG12: | |
1374 | case V4L2_PIX_FMT_SGRBG12: | |
1375 | case V4L2_PIX_FMT_SRGGB12: | |
02aa769d HV |
1376 | return buf_line & 1; |
1377 | default: | |
1378 | return 0; | |
63881df9 HV |
1379 | } |
1380 | } | |
e07d46e7 | 1381 | EXPORT_SYMBOL_GPL(tpg_g_interleaved_plane); |
63881df9 HV |
1382 | |
1383 | /* Return how many pattern lines are used by the current pattern. */ | |
1a05d313 | 1384 | static unsigned tpg_get_pat_lines(const struct tpg_data *tpg) |
63881df9 HV |
1385 | { |
1386 | switch (tpg->pattern) { | |
1387 | case TPG_PAT_CHECKERS_16X16: | |
1a05d313 | 1388 | case TPG_PAT_CHECKERS_2X2: |
63881df9 | 1389 | case TPG_PAT_CHECKERS_1X1: |
1a05d313 HV |
1390 | case TPG_PAT_COLOR_CHECKERS_2X2: |
1391 | case TPG_PAT_COLOR_CHECKERS_1X1: | |
63881df9 HV |
1392 | case TPG_PAT_ALTERNATING_HLINES: |
1393 | case TPG_PAT_CROSS_1_PIXEL: | |
1394 | case TPG_PAT_CROSS_2_PIXELS: | |
1395 | case TPG_PAT_CROSS_10_PIXELS: | |
1396 | return 2; | |
1397 | case TPG_PAT_100_COLORSQUARES: | |
1398 | case TPG_PAT_100_HCOLORBAR: | |
1399 | return 8; | |
1400 | default: | |
1401 | return 1; | |
1402 | } | |
1403 | } | |
1404 | ||
1405 | /* Which pattern line should be used for the given frame line. */ | |
1a05d313 | 1406 | static unsigned tpg_get_pat_line(const struct tpg_data *tpg, unsigned line) |
63881df9 HV |
1407 | { |
1408 | switch (tpg->pattern) { | |
1409 | case TPG_PAT_CHECKERS_16X16: | |
1410 | return (line >> 4) & 1; | |
1411 | case TPG_PAT_CHECKERS_1X1: | |
1a05d313 | 1412 | case TPG_PAT_COLOR_CHECKERS_1X1: |
63881df9 HV |
1413 | case TPG_PAT_ALTERNATING_HLINES: |
1414 | return line & 1; | |
1a05d313 HV |
1415 | case TPG_PAT_CHECKERS_2X2: |
1416 | case TPG_PAT_COLOR_CHECKERS_2X2: | |
1417 | return (line & 2) >> 1; | |
63881df9 HV |
1418 | case TPG_PAT_100_COLORSQUARES: |
1419 | case TPG_PAT_100_HCOLORBAR: | |
1420 | return (line * 8) / tpg->src_height; | |
1421 | case TPG_PAT_CROSS_1_PIXEL: | |
1422 | return line == tpg->src_height / 2; | |
1423 | case TPG_PAT_CROSS_2_PIXELS: | |
1424 | return (line + 1) / 2 == tpg->src_height / 4; | |
1425 | case TPG_PAT_CROSS_10_PIXELS: | |
1426 | return (line + 10) / 20 == tpg->src_height / 40; | |
1427 | default: | |
1428 | return 0; | |
1429 | } | |
1430 | } | |
1431 | ||
1432 | /* | |
1433 | * Which color should be used for the given pattern line and X coordinate. | |
1434 | * Note: x is in the range 0 to 2 * tpg->src_width. | |
1435 | */ | |
1a05d313 HV |
1436 | static enum tpg_color tpg_get_color(const struct tpg_data *tpg, |
1437 | unsigned pat_line, unsigned x) | |
63881df9 HV |
1438 | { |
1439 | /* Maximum number of bars are TPG_COLOR_MAX - otherwise, the input print code | |
1440 | should be modified */ | |
1441 | static const enum tpg_color bars[3][8] = { | |
1442 | /* Standard ITU-R 75% color bar sequence */ | |
1443 | { TPG_COLOR_CSC_WHITE, TPG_COLOR_75_YELLOW, | |
1444 | TPG_COLOR_75_CYAN, TPG_COLOR_75_GREEN, | |
1445 | TPG_COLOR_75_MAGENTA, TPG_COLOR_75_RED, | |
1446 | TPG_COLOR_75_BLUE, TPG_COLOR_100_BLACK, }, | |
1447 | /* Standard ITU-R 100% color bar sequence */ | |
1448 | { TPG_COLOR_100_WHITE, TPG_COLOR_100_YELLOW, | |
1449 | TPG_COLOR_100_CYAN, TPG_COLOR_100_GREEN, | |
1450 | TPG_COLOR_100_MAGENTA, TPG_COLOR_100_RED, | |
1451 | TPG_COLOR_100_BLUE, TPG_COLOR_100_BLACK, }, | |
1452 | /* Color bar sequence suitable to test CSC */ | |
1453 | { TPG_COLOR_CSC_WHITE, TPG_COLOR_CSC_YELLOW, | |
1454 | TPG_COLOR_CSC_CYAN, TPG_COLOR_CSC_GREEN, | |
1455 | TPG_COLOR_CSC_MAGENTA, TPG_COLOR_CSC_RED, | |
1456 | TPG_COLOR_CSC_BLUE, TPG_COLOR_CSC_BLACK, }, | |
1457 | }; | |
1458 | ||
1459 | switch (tpg->pattern) { | |
1460 | case TPG_PAT_75_COLORBAR: | |
1461 | case TPG_PAT_100_COLORBAR: | |
1462 | case TPG_PAT_CSC_COLORBAR: | |
1463 | return bars[tpg->pattern][((x * 8) / tpg->src_width) % 8]; | |
1464 | case TPG_PAT_100_COLORSQUARES: | |
1465 | return bars[1][(pat_line + (x * 8) / tpg->src_width) % 8]; | |
1466 | case TPG_PAT_100_HCOLORBAR: | |
1467 | return bars[1][pat_line]; | |
1468 | case TPG_PAT_BLACK: | |
1469 | return TPG_COLOR_100_BLACK; | |
1470 | case TPG_PAT_WHITE: | |
1471 | return TPG_COLOR_100_WHITE; | |
1472 | case TPG_PAT_RED: | |
1473 | return TPG_COLOR_100_RED; | |
1474 | case TPG_PAT_GREEN: | |
1475 | return TPG_COLOR_100_GREEN; | |
1476 | case TPG_PAT_BLUE: | |
1477 | return TPG_COLOR_100_BLUE; | |
1478 | case TPG_PAT_CHECKERS_16X16: | |
1479 | return (((x >> 4) & 1) ^ (pat_line & 1)) ? | |
1480 | TPG_COLOR_100_BLACK : TPG_COLOR_100_WHITE; | |
1481 | case TPG_PAT_CHECKERS_1X1: | |
1482 | return ((x & 1) ^ (pat_line & 1)) ? | |
1483 | TPG_COLOR_100_WHITE : TPG_COLOR_100_BLACK; | |
1a05d313 HV |
1484 | case TPG_PAT_COLOR_CHECKERS_1X1: |
1485 | return ((x & 1) ^ (pat_line & 1)) ? | |
1486 | TPG_COLOR_100_RED : TPG_COLOR_100_BLUE; | |
1487 | case TPG_PAT_CHECKERS_2X2: | |
1488 | return (((x >> 1) & 1) ^ (pat_line & 1)) ? | |
1489 | TPG_COLOR_100_WHITE : TPG_COLOR_100_BLACK; | |
1490 | case TPG_PAT_COLOR_CHECKERS_2X2: | |
1491 | return (((x >> 1) & 1) ^ (pat_line & 1)) ? | |
1492 | TPG_COLOR_100_RED : TPG_COLOR_100_BLUE; | |
63881df9 HV |
1493 | case TPG_PAT_ALTERNATING_HLINES: |
1494 | return pat_line ? TPG_COLOR_100_WHITE : TPG_COLOR_100_BLACK; | |
1495 | case TPG_PAT_ALTERNATING_VLINES: | |
1496 | return (x & 1) ? TPG_COLOR_100_WHITE : TPG_COLOR_100_BLACK; | |
1497 | case TPG_PAT_CROSS_1_PIXEL: | |
1498 | if (pat_line || (x % tpg->src_width) == tpg->src_width / 2) | |
1499 | return TPG_COLOR_100_BLACK; | |
1500 | return TPG_COLOR_100_WHITE; | |
1501 | case TPG_PAT_CROSS_2_PIXELS: | |
1502 | if (pat_line || ((x % tpg->src_width) + 1) / 2 == tpg->src_width / 4) | |
1503 | return TPG_COLOR_100_BLACK; | |
1504 | return TPG_COLOR_100_WHITE; | |
1505 | case TPG_PAT_CROSS_10_PIXELS: | |
1506 | if (pat_line || ((x % tpg->src_width) + 10) / 20 == tpg->src_width / 40) | |
1507 | return TPG_COLOR_100_BLACK; | |
1508 | return TPG_COLOR_100_WHITE; | |
1509 | case TPG_PAT_GRAY_RAMP: | |
1510 | return TPG_COLOR_RAMP + ((x % tpg->src_width) * 256) / tpg->src_width; | |
1511 | default: | |
1512 | return TPG_COLOR_100_RED; | |
1513 | } | |
1514 | } | |
1515 | ||
1516 | /* | |
1517 | * Given the pixel aspect ratio and video aspect ratio calculate the | |
1518 | * coordinates of a centered square and the coordinates of the border of | |
1519 | * the active video area. The coordinates are relative to the source | |
1520 | * frame rectangle. | |
1521 | */ | |
1522 | static void tpg_calculate_square_border(struct tpg_data *tpg) | |
1523 | { | |
1524 | unsigned w = tpg->src_width; | |
1525 | unsigned h = tpg->src_height; | |
1526 | unsigned sq_w, sq_h; | |
1527 | ||
1528 | sq_w = (w * 2 / 5) & ~1; | |
1529 | if (((w - sq_w) / 2) & 1) | |
1530 | sq_w += 2; | |
1531 | sq_h = sq_w; | |
1532 | tpg->square.width = sq_w; | |
1533 | if (tpg->vid_aspect == TPG_VIDEO_ASPECT_16X9_ANAMORPHIC) { | |
1534 | unsigned ana_sq_w = (sq_w / 4) * 3; | |
1535 | ||
1536 | if (((w - ana_sq_w) / 2) & 1) | |
1537 | ana_sq_w += 2; | |
1538 | tpg->square.width = ana_sq_w; | |
1539 | } | |
1540 | tpg->square.left = (w - tpg->square.width) / 2; | |
1541 | if (tpg->pix_aspect == TPG_PIXEL_ASPECT_NTSC) | |
1542 | sq_h = sq_w * 10 / 11; | |
1543 | else if (tpg->pix_aspect == TPG_PIXEL_ASPECT_PAL) | |
1544 | sq_h = sq_w * 59 / 54; | |
1545 | tpg->square.height = sq_h; | |
1546 | tpg->square.top = (h - sq_h) / 2; | |
1547 | tpg->border.left = 0; | |
1548 | tpg->border.width = w; | |
1549 | tpg->border.top = 0; | |
1550 | tpg->border.height = h; | |
1551 | switch (tpg->vid_aspect) { | |
1552 | case TPG_VIDEO_ASPECT_4X3: | |
1553 | if (tpg->pix_aspect) | |
1554 | return; | |
1555 | if (3 * w >= 4 * h) { | |
1556 | tpg->border.width = ((4 * h) / 3) & ~1; | |
1557 | if (((w - tpg->border.width) / 2) & ~1) | |
1558 | tpg->border.width -= 2; | |
1559 | tpg->border.left = (w - tpg->border.width) / 2; | |
1560 | break; | |
1561 | } | |
1562 | tpg->border.height = ((3 * w) / 4) & ~1; | |
1563 | tpg->border.top = (h - tpg->border.height) / 2; | |
1564 | break; | |
1565 | case TPG_VIDEO_ASPECT_14X9_CENTRE: | |
1566 | if (tpg->pix_aspect) { | |
1567 | tpg->border.height = tpg->pix_aspect == TPG_PIXEL_ASPECT_NTSC ? 420 : 506; | |
1568 | tpg->border.top = (h - tpg->border.height) / 2; | |
1569 | break; | |
1570 | } | |
1571 | if (9 * w >= 14 * h) { | |
1572 | tpg->border.width = ((14 * h) / 9) & ~1; | |
1573 | if (((w - tpg->border.width) / 2) & ~1) | |
1574 | tpg->border.width -= 2; | |
1575 | tpg->border.left = (w - tpg->border.width) / 2; | |
1576 | break; | |
1577 | } | |
1578 | tpg->border.height = ((9 * w) / 14) & ~1; | |
1579 | tpg->border.top = (h - tpg->border.height) / 2; | |
1580 | break; | |
1581 | case TPG_VIDEO_ASPECT_16X9_CENTRE: | |
1582 | if (tpg->pix_aspect) { | |
1583 | tpg->border.height = tpg->pix_aspect == TPG_PIXEL_ASPECT_NTSC ? 368 : 442; | |
1584 | tpg->border.top = (h - tpg->border.height) / 2; | |
1585 | break; | |
1586 | } | |
1587 | if (9 * w >= 16 * h) { | |
1588 | tpg->border.width = ((16 * h) / 9) & ~1; | |
1589 | if (((w - tpg->border.width) / 2) & ~1) | |
1590 | tpg->border.width -= 2; | |
1591 | tpg->border.left = (w - tpg->border.width) / 2; | |
1592 | break; | |
1593 | } | |
1594 | tpg->border.height = ((9 * w) / 16) & ~1; | |
1595 | tpg->border.top = (h - tpg->border.height) / 2; | |
1596 | break; | |
1597 | default: | |
1598 | break; | |
1599 | } | |
1600 | } | |
1601 | ||
1602 | static void tpg_precalculate_line(struct tpg_data *tpg) | |
1603 | { | |
1604 | enum tpg_color contrast; | |
9991deff | 1605 | u8 pix[TPG_MAX_PLANES][8]; |
63881df9 HV |
1606 | unsigned pat; |
1607 | unsigned p; | |
1608 | unsigned x; | |
1609 | ||
1610 | switch (tpg->pattern) { | |
1611 | case TPG_PAT_GREEN: | |
1612 | contrast = TPG_COLOR_100_RED; | |
1613 | break; | |
1614 | case TPG_PAT_CSC_COLORBAR: | |
1615 | contrast = TPG_COLOR_CSC_GREEN; | |
1616 | break; | |
1617 | default: | |
1618 | contrast = TPG_COLOR_100_GREEN; | |
1619 | break; | |
1620 | } | |
1621 | ||
1622 | for (pat = 0; pat < tpg_get_pat_lines(tpg); pat++) { | |
1623 | /* Coarse scaling with Bresenham */ | |
1624 | unsigned int_part = tpg->src_width / tpg->scaled_width; | |
1625 | unsigned fract_part = tpg->src_width % tpg->scaled_width; | |
1626 | unsigned src_x = 0; | |
1627 | unsigned error = 0; | |
1628 | ||
1629 | for (x = 0; x < tpg->scaled_width * 2; x += 2) { | |
1630 | unsigned real_x = src_x; | |
1631 | enum tpg_color color1, color2; | |
63881df9 HV |
1632 | |
1633 | real_x = tpg->hflip ? tpg->src_width * 2 - real_x - 2 : real_x; | |
1634 | color1 = tpg_get_color(tpg, pat, real_x); | |
1635 | ||
1636 | src_x += int_part; | |
1637 | error += fract_part; | |
1638 | if (error >= tpg->scaled_width) { | |
1639 | error -= tpg->scaled_width; | |
1640 | src_x++; | |
1641 | } | |
1642 | ||
1643 | real_x = src_x; | |
1644 | real_x = tpg->hflip ? tpg->src_width * 2 - real_x - 2 : real_x; | |
1645 | color2 = tpg_get_color(tpg, pat, real_x); | |
1646 | ||
1647 | src_x += int_part; | |
1648 | error += fract_part; | |
1649 | if (error >= tpg->scaled_width) { | |
1650 | error -= tpg->scaled_width; | |
1651 | src_x++; | |
1652 | } | |
1653 | ||
1654 | gen_twopix(tpg, pix, tpg->hflip ? color2 : color1, 0); | |
1655 | gen_twopix(tpg, pix, tpg->hflip ? color1 : color2, 1); | |
1656 | for (p = 0; p < tpg->planes; p++) { | |
1657 | unsigned twopixsize = tpg->twopixelsize[p]; | |
5d7c539e | 1658 | unsigned hdiv = tpg->hdownsampling[p]; |
9991deff | 1659 | u8 *pos = tpg->lines[pat][p] + tpg_hdiv(tpg, p, x); |
63881df9 | 1660 | |
5d7c539e | 1661 | memcpy(pos, pix[p], twopixsize / hdiv); |
63881df9 HV |
1662 | } |
1663 | } | |
1664 | } | |
5d7c539e HV |
1665 | |
1666 | if (tpg->vdownsampling[tpg->planes - 1] > 1) { | |
1667 | unsigned pat_lines = tpg_get_pat_lines(tpg); | |
1668 | ||
1669 | for (pat = 0; pat < pat_lines; pat++) { | |
1670 | unsigned next_pat = (pat + 1) % pat_lines; | |
1671 | ||
1672 | for (p = 1; p < tpg->planes; p++) { | |
9991deff HV |
1673 | unsigned w = tpg_hdiv(tpg, p, tpg->scaled_width * 2); |
1674 | u8 *pos1 = tpg->lines[pat][p]; | |
1675 | u8 *pos2 = tpg->lines[next_pat][p]; | |
1676 | u8 *dest = tpg->downsampled_lines[pat][p]; | |
5d7c539e | 1677 | |
9991deff HV |
1678 | for (x = 0; x < w; x++, pos1++, pos2++, dest++) |
1679 | *dest = ((u16)*pos1 + (u16)*pos2) / 2; | |
5d7c539e HV |
1680 | } |
1681 | } | |
1682 | } | |
1683 | ||
9991deff HV |
1684 | gen_twopix(tpg, pix, contrast, 0); |
1685 | gen_twopix(tpg, pix, contrast, 1); | |
1686 | for (p = 0; p < tpg->planes; p++) { | |
1687 | unsigned twopixsize = tpg->twopixelsize[p]; | |
1688 | u8 *pos = tpg->contrast_line[p]; | |
63881df9 | 1689 | |
9991deff | 1690 | for (x = 0; x < tpg->scaled_width; x += 2, pos += twopixsize) |
63881df9 | 1691 | memcpy(pos, pix[p], twopixsize); |
63881df9 | 1692 | } |
63881df9 | 1693 | |
9991deff HV |
1694 | gen_twopix(tpg, pix, TPG_COLOR_100_BLACK, 0); |
1695 | gen_twopix(tpg, pix, TPG_COLOR_100_BLACK, 1); | |
1696 | for (p = 0; p < tpg->planes; p++) { | |
1697 | unsigned twopixsize = tpg->twopixelsize[p]; | |
1698 | u8 *pos = tpg->black_line[p]; | |
63881df9 | 1699 | |
9991deff | 1700 | for (x = 0; x < tpg->scaled_width; x += 2, pos += twopixsize) |
63881df9 | 1701 | memcpy(pos, pix[p], twopixsize); |
63881df9 | 1702 | } |
63881df9 | 1703 | |
9991deff | 1704 | for (x = 0; x < tpg->scaled_width * 2; x += 2) { |
63881df9 HV |
1705 | gen_twopix(tpg, pix, TPG_COLOR_RANDOM, 0); |
1706 | gen_twopix(tpg, pix, TPG_COLOR_RANDOM, 1); | |
1707 | for (p = 0; p < tpg->planes; p++) { | |
1708 | unsigned twopixsize = tpg->twopixelsize[p]; | |
1709 | u8 *pos = tpg->random_line[p] + x * twopixsize / 2; | |
1710 | ||
1711 | memcpy(pos, pix[p], twopixsize); | |
1712 | } | |
1713 | } | |
9991deff | 1714 | |
63881df9 HV |
1715 | gen_twopix(tpg, tpg->textbg, TPG_COLOR_TEXTBG, 0); |
1716 | gen_twopix(tpg, tpg->textbg, TPG_COLOR_TEXTBG, 1); | |
1717 | gen_twopix(tpg, tpg->textfg, TPG_COLOR_TEXTFG, 0); | |
1718 | gen_twopix(tpg, tpg->textfg, TPG_COLOR_TEXTFG, 1); | |
1719 | } | |
1720 | ||
1721 | /* need this to do rgb24 rendering */ | |
1722 | typedef struct { u16 __; u8 _; } __packed x24; | |
1723 | ||
c70316f2 HV |
1724 | #define PRINTSTR(PIXTYPE) do { \ |
1725 | unsigned vdiv = tpg->vdownsampling[p]; \ | |
1726 | unsigned hdiv = tpg->hdownsampling[p]; \ | |
1727 | int line; \ | |
63881df9 HV |
1728 | PIXTYPE fg; \ |
1729 | PIXTYPE bg; \ | |
1730 | memcpy(&fg, tpg->textfg[p], sizeof(PIXTYPE)); \ | |
1731 | memcpy(&bg, tpg->textbg[p], sizeof(PIXTYPE)); \ | |
1732 | \ | |
3e14e7a8 | 1733 | for (line = first; line < 16; line += vdiv * step) { \ |
63881df9 | 1734 | int l = tpg->vflip ? 15 - line : line; \ |
3e14e7a8 HV |
1735 | PIXTYPE *pos = (PIXTYPE *)(basep[p][(line / vdiv) & 1] + \ |
1736 | ((y * step + l) / (vdiv * div)) * tpg->bytesperline[p] + \ | |
1737 | (x / hdiv) * sizeof(PIXTYPE)); \ | |
63881df9 HV |
1738 | unsigned s; \ |
1739 | \ | |
1740 | for (s = 0; s < len; s++) { \ | |
1741 | u8 chr = font8x16[text[s] * 16 + line]; \ | |
1742 | \ | |
3e14e7a8 HV |
1743 | if (hdiv == 2 && tpg->hflip) { \ |
1744 | pos[3] = (chr & (0x01 << 6) ? fg : bg); \ | |
1745 | pos[2] = (chr & (0x01 << 4) ? fg : bg); \ | |
1746 | pos[1] = (chr & (0x01 << 2) ? fg : bg); \ | |
1747 | pos[0] = (chr & (0x01 << 0) ? fg : bg); \ | |
1748 | } else if (hdiv == 2) { \ | |
1749 | pos[0] = (chr & (0x01 << 7) ? fg : bg); \ | |
1750 | pos[1] = (chr & (0x01 << 5) ? fg : bg); \ | |
1751 | pos[2] = (chr & (0x01 << 3) ? fg : bg); \ | |
1752 | pos[3] = (chr & (0x01 << 1) ? fg : bg); \ | |
1753 | } else if (tpg->hflip) { \ | |
63881df9 HV |
1754 | pos[7] = (chr & (0x01 << 7) ? fg : bg); \ |
1755 | pos[6] = (chr & (0x01 << 6) ? fg : bg); \ | |
1756 | pos[5] = (chr & (0x01 << 5) ? fg : bg); \ | |
1757 | pos[4] = (chr & (0x01 << 4) ? fg : bg); \ | |
1758 | pos[3] = (chr & (0x01 << 3) ? fg : bg); \ | |
1759 | pos[2] = (chr & (0x01 << 2) ? fg : bg); \ | |
1760 | pos[1] = (chr & (0x01 << 1) ? fg : bg); \ | |
1761 | pos[0] = (chr & (0x01 << 0) ? fg : bg); \ | |
1762 | } else { \ | |
1763 | pos[0] = (chr & (0x01 << 7) ? fg : bg); \ | |
1764 | pos[1] = (chr & (0x01 << 6) ? fg : bg); \ | |
1765 | pos[2] = (chr & (0x01 << 5) ? fg : bg); \ | |
1766 | pos[3] = (chr & (0x01 << 4) ? fg : bg); \ | |
1767 | pos[4] = (chr & (0x01 << 3) ? fg : bg); \ | |
1768 | pos[5] = (chr & (0x01 << 2) ? fg : bg); \ | |
1769 | pos[6] = (chr & (0x01 << 1) ? fg : bg); \ | |
1770 | pos[7] = (chr & (0x01 << 0) ? fg : bg); \ | |
1771 | } \ | |
1772 | \ | |
3e14e7a8 | 1773 | pos += (tpg->hflip ? -8 : 8) / hdiv; \ |
63881df9 HV |
1774 | } \ |
1775 | } \ | |
1776 | } while (0) | |
1777 | ||
c70316f2 HV |
1778 | static noinline void tpg_print_str_2(const struct tpg_data *tpg, u8 *basep[TPG_MAX_PLANES][2], |
1779 | unsigned p, unsigned first, unsigned div, unsigned step, | |
1780 | int y, int x, char *text, unsigned len) | |
1781 | { | |
1782 | PRINTSTR(u8); | |
1783 | } | |
1784 | ||
1785 | static noinline void tpg_print_str_4(const struct tpg_data *tpg, u8 *basep[TPG_MAX_PLANES][2], | |
1786 | unsigned p, unsigned first, unsigned div, unsigned step, | |
1787 | int y, int x, char *text, unsigned len) | |
1788 | { | |
1789 | PRINTSTR(u16); | |
1790 | } | |
1791 | ||
1792 | static noinline void tpg_print_str_6(const struct tpg_data *tpg, u8 *basep[TPG_MAX_PLANES][2], | |
1793 | unsigned p, unsigned first, unsigned div, unsigned step, | |
1794 | int y, int x, char *text, unsigned len) | |
1795 | { | |
1796 | PRINTSTR(x24); | |
1797 | } | |
1798 | ||
1799 | static noinline void tpg_print_str_8(const struct tpg_data *tpg, u8 *basep[TPG_MAX_PLANES][2], | |
1800 | unsigned p, unsigned first, unsigned div, unsigned step, | |
1801 | int y, int x, char *text, unsigned len) | |
1802 | { | |
1803 | PRINTSTR(u32); | |
1804 | } | |
1805 | ||
1806 | void tpg_gen_text(const struct tpg_data *tpg, u8 *basep[TPG_MAX_PLANES][2], | |
1807 | int y, int x, char *text) | |
1808 | { | |
1809 | unsigned step = V4L2_FIELD_HAS_T_OR_B(tpg->field) ? 2 : 1; | |
1810 | unsigned div = step; | |
1811 | unsigned first = 0; | |
1812 | unsigned len = strlen(text); | |
1813 | unsigned p; | |
1814 | ||
1815 | if (font8x16 == NULL || basep == NULL) | |
1816 | return; | |
1817 | ||
1818 | /* Checks if it is possible to show string */ | |
1819 | if (y + 16 >= tpg->compose.height || x + 8 >= tpg->compose.width) | |
1820 | return; | |
1821 | ||
1822 | if (len > (tpg->compose.width - x) / 8) | |
1823 | len = (tpg->compose.width - x) / 8; | |
1824 | if (tpg->vflip) | |
1825 | y = tpg->compose.height - y - 16; | |
1826 | if (tpg->hflip) | |
1827 | x = tpg->compose.width - x - 8; | |
1828 | y += tpg->compose.top; | |
1829 | x += tpg->compose.left; | |
1830 | if (tpg->field == V4L2_FIELD_BOTTOM) | |
1831 | first = 1; | |
1832 | else if (tpg->field == V4L2_FIELD_SEQ_TB || tpg->field == V4L2_FIELD_SEQ_BT) | |
1833 | div = 2; | |
1834 | ||
1835 | for (p = 0; p < tpg->planes; p++) { | |
1836 | /* Print text */ | |
1837 | switch (tpg->twopixelsize[p]) { | |
1838 | case 2: | |
1839 | tpg_print_str_2(tpg, basep, p, first, div, step, y, x, | |
1840 | text, len); | |
1841 | break; | |
1842 | case 4: | |
1843 | tpg_print_str_4(tpg, basep, p, first, div, step, y, x, | |
1844 | text, len); | |
1845 | break; | |
1846 | case 6: | |
1847 | tpg_print_str_6(tpg, basep, p, first, div, step, y, x, | |
1848 | text, len); | |
1849 | break; | |
1850 | case 8: | |
1851 | tpg_print_str_8(tpg, basep, p, first, div, step, y, x, | |
1852 | text, len); | |
1853 | break; | |
1854 | } | |
63881df9 HV |
1855 | } |
1856 | } | |
e07d46e7 | 1857 | EXPORT_SYMBOL_GPL(tpg_gen_text); |
63881df9 HV |
1858 | |
1859 | void tpg_update_mv_step(struct tpg_data *tpg) | |
1860 | { | |
1861 | int factor = tpg->mv_hor_mode > TPG_MOVE_NONE ? -1 : 1; | |
1862 | ||
1863 | if (tpg->hflip) | |
1864 | factor = -factor; | |
1865 | switch (tpg->mv_hor_mode) { | |
1866 | case TPG_MOVE_NEG_FAST: | |
1867 | case TPG_MOVE_POS_FAST: | |
1868 | tpg->mv_hor_step = ((tpg->src_width + 319) / 320) * 4; | |
1869 | break; | |
1870 | case TPG_MOVE_NEG: | |
1871 | case TPG_MOVE_POS: | |
1872 | tpg->mv_hor_step = ((tpg->src_width + 639) / 640) * 4; | |
1873 | break; | |
1874 | case TPG_MOVE_NEG_SLOW: | |
1875 | case TPG_MOVE_POS_SLOW: | |
1876 | tpg->mv_hor_step = 2; | |
1877 | break; | |
1878 | case TPG_MOVE_NONE: | |
1879 | tpg->mv_hor_step = 0; | |
1880 | break; | |
1881 | } | |
1882 | if (factor < 0) | |
1883 | tpg->mv_hor_step = tpg->src_width - tpg->mv_hor_step; | |
1884 | ||
1885 | factor = tpg->mv_vert_mode > TPG_MOVE_NONE ? -1 : 1; | |
1886 | switch (tpg->mv_vert_mode) { | |
1887 | case TPG_MOVE_NEG_FAST: | |
1888 | case TPG_MOVE_POS_FAST: | |
1889 | tpg->mv_vert_step = ((tpg->src_width + 319) / 320) * 4; | |
1890 | break; | |
1891 | case TPG_MOVE_NEG: | |
1892 | case TPG_MOVE_POS: | |
1893 | tpg->mv_vert_step = ((tpg->src_width + 639) / 640) * 4; | |
1894 | break; | |
1895 | case TPG_MOVE_NEG_SLOW: | |
1896 | case TPG_MOVE_POS_SLOW: | |
1897 | tpg->mv_vert_step = 1; | |
1898 | break; | |
1899 | case TPG_MOVE_NONE: | |
1900 | tpg->mv_vert_step = 0; | |
1901 | break; | |
1902 | } | |
1903 | if (factor < 0) | |
1904 | tpg->mv_vert_step = tpg->src_height - tpg->mv_vert_step; | |
1905 | } | |
e07d46e7 | 1906 | EXPORT_SYMBOL_GPL(tpg_update_mv_step); |
63881df9 HV |
1907 | |
1908 | /* Map the line number relative to the crop rectangle to a frame line number */ | |
dfff0489 | 1909 | static unsigned tpg_calc_frameline(const struct tpg_data *tpg, unsigned src_y, |
63881df9 HV |
1910 | unsigned field) |
1911 | { | |
1912 | switch (field) { | |
1913 | case V4L2_FIELD_TOP: | |
1914 | return tpg->crop.top + src_y * 2; | |
1915 | case V4L2_FIELD_BOTTOM: | |
1916 | return tpg->crop.top + src_y * 2 + 1; | |
1917 | default: | |
1918 | return src_y + tpg->crop.top; | |
1919 | } | |
1920 | } | |
1921 | ||
1922 | /* | |
1923 | * Map the line number relative to the compose rectangle to a destination | |
1924 | * buffer line number. | |
1925 | */ | |
dfff0489 | 1926 | static unsigned tpg_calc_buffer_line(const struct tpg_data *tpg, unsigned y, |
63881df9 HV |
1927 | unsigned field) |
1928 | { | |
1929 | y += tpg->compose.top; | |
1930 | switch (field) { | |
1931 | case V4L2_FIELD_SEQ_TB: | |
1932 | if (y & 1) | |
1933 | return tpg->buf_height / 2 + y / 2; | |
1934 | return y / 2; | |
1935 | case V4L2_FIELD_SEQ_BT: | |
1936 | if (y & 1) | |
1937 | return y / 2; | |
1938 | return tpg->buf_height / 2 + y / 2; | |
1939 | default: | |
1940 | return y; | |
1941 | } | |
1942 | } | |
1943 | ||
1944 | static void tpg_recalc(struct tpg_data *tpg) | |
1945 | { | |
1946 | if (tpg->recalc_colors) { | |
1947 | tpg->recalc_colors = false; | |
1948 | tpg->recalc_lines = true; | |
ca5316db | 1949 | tpg->real_xfer_func = tpg->xfer_func; |
481b97a1 | 1950 | tpg->real_ycbcr_enc = tpg->ycbcr_enc; |
429175e4 | 1951 | tpg->real_hsv_enc = tpg->hsv_enc; |
481b97a1 | 1952 | tpg->real_quantization = tpg->quantization; |
ca5316db HV |
1953 | |
1954 | if (tpg->xfer_func == V4L2_XFER_FUNC_DEFAULT) | |
1955 | tpg->real_xfer_func = | |
1956 | V4L2_MAP_XFER_FUNC_DEFAULT(tpg->colorspace); | |
1957 | ||
9c54faef HV |
1958 | if (tpg->ycbcr_enc == V4L2_YCBCR_ENC_DEFAULT) |
1959 | tpg->real_ycbcr_enc = | |
1960 | V4L2_MAP_YCBCR_ENC_DEFAULT(tpg->colorspace); | |
1961 | ||
1962 | if (tpg->quantization == V4L2_QUANTIZATION_DEFAULT) | |
1963 | tpg->real_quantization = | |
646895e9 RRD |
1964 | V4L2_MAP_QUANTIZATION_DEFAULT( |
1965 | tpg->color_enc != TGP_COLOR_ENC_YCBCR, | |
9c54faef HV |
1966 | tpg->colorspace, tpg->real_ycbcr_enc); |
1967 | ||
63881df9 HV |
1968 | tpg_precalculate_colors(tpg); |
1969 | } | |
1970 | if (tpg->recalc_square_border) { | |
1971 | tpg->recalc_square_border = false; | |
1972 | tpg_calculate_square_border(tpg); | |
1973 | } | |
1974 | if (tpg->recalc_lines) { | |
1975 | tpg->recalc_lines = false; | |
1976 | tpg_precalculate_line(tpg); | |
1977 | } | |
1978 | } | |
1979 | ||
1980 | void tpg_calc_text_basep(struct tpg_data *tpg, | |
1981 | u8 *basep[TPG_MAX_PLANES][2], unsigned p, u8 *vbuf) | |
1982 | { | |
1983 | unsigned stride = tpg->bytesperline[p]; | |
280abe47 | 1984 | unsigned h = tpg->buf_height; |
63881df9 HV |
1985 | |
1986 | tpg_recalc(tpg); | |
1987 | ||
1988 | basep[p][0] = vbuf; | |
1989 | basep[p][1] = vbuf; | |
280abe47 | 1990 | h /= tpg->vdownsampling[p]; |
63881df9 | 1991 | if (tpg->field == V4L2_FIELD_SEQ_TB) |
280abe47 | 1992 | basep[p][1] += h * stride / 2; |
63881df9 | 1993 | else if (tpg->field == V4L2_FIELD_SEQ_BT) |
280abe47 | 1994 | basep[p][0] += h * stride / 2; |
02aa769d HV |
1995 | if (p == 0 && tpg->interleaved) |
1996 | tpg_calc_text_basep(tpg, basep, 1, vbuf); | |
280abe47 | 1997 | } |
e07d46e7 | 1998 | EXPORT_SYMBOL_GPL(tpg_calc_text_basep); |
280abe47 HV |
1999 | |
2000 | static int tpg_pattern_avg(const struct tpg_data *tpg, | |
2001 | unsigned pat1, unsigned pat2) | |
2002 | { | |
2003 | unsigned pat_lines = tpg_get_pat_lines(tpg); | |
2004 | ||
2005 | if (pat1 == (pat2 + 1) % pat_lines) | |
2006 | return pat2; | |
2007 | if (pat2 == (pat1 + 1) % pat_lines) | |
2008 | return pat1; | |
2009 | return -1; | |
63881df9 HV |
2010 | } |
2011 | ||
646895e9 RRD |
2012 | static const char *tpg_color_enc_str(enum tgp_color_enc |
2013 | color_enc) | |
2014 | { | |
2015 | switch (color_enc) { | |
54fb1534 RRD |
2016 | case TGP_COLOR_ENC_HSV: |
2017 | return "HSV"; | |
646895e9 RRD |
2018 | case TGP_COLOR_ENC_YCBCR: |
2019 | return "Y'CbCr"; | |
ca2b32da RRD |
2020 | case TGP_COLOR_ENC_LUMA: |
2021 | return "Luma"; | |
646895e9 RRD |
2022 | case TGP_COLOR_ENC_RGB: |
2023 | default: | |
2024 | return "R'G'B"; | |
2025 | ||
2026 | } | |
2027 | } | |
2028 | ||
84b76d74 HV |
2029 | void tpg_log_status(struct tpg_data *tpg) |
2030 | { | |
2031 | pr_info("tpg source WxH: %ux%u (%s)\n", | |
646895e9 RRD |
2032 | tpg->src_width, tpg->src_height, |
2033 | tpg_color_enc_str(tpg->color_enc)); | |
84b76d74 HV |
2034 | pr_info("tpg field: %u\n", tpg->field); |
2035 | pr_info("tpg crop: %ux%u@%dx%d\n", tpg->crop.width, tpg->crop.height, | |
2036 | tpg->crop.left, tpg->crop.top); | |
2037 | pr_info("tpg compose: %ux%u@%dx%d\n", tpg->compose.width, tpg->compose.height, | |
2038 | tpg->compose.left, tpg->compose.top); | |
2039 | pr_info("tpg colorspace: %d\n", tpg->colorspace); | |
ca5316db | 2040 | pr_info("tpg transfer function: %d/%d\n", tpg->xfer_func, tpg->real_xfer_func); |
84b76d74 | 2041 | pr_info("tpg Y'CbCr encoding: %d/%d\n", tpg->ycbcr_enc, tpg->real_ycbcr_enc); |
429175e4 | 2042 | pr_info("tpg HSV encoding: %d/%d\n", tpg->hsv_enc, tpg->real_hsv_enc); |
84b76d74 HV |
2043 | pr_info("tpg quantization: %d/%d\n", tpg->quantization, tpg->real_quantization); |
2044 | pr_info("tpg RGB range: %d/%d\n", tpg->rgb_range, tpg->real_rgb_range); | |
2045 | } | |
e07d46e7 | 2046 | EXPORT_SYMBOL_GPL(tpg_log_status); |
84b76d74 | 2047 | |
e76036d8 HV |
2048 | /* |
2049 | * This struct contains common parameters used by both the drawing of the | |
2050 | * test pattern and the drawing of the extras (borders, square, etc.) | |
2051 | */ | |
2052 | struct tpg_draw_params { | |
2053 | /* common data */ | |
2054 | bool is_tv; | |
2055 | bool is_60hz; | |
2056 | unsigned twopixsize; | |
2057 | unsigned img_width; | |
2058 | unsigned stride; | |
2059 | unsigned hmax; | |
2060 | unsigned frame_line; | |
2061 | unsigned frame_line_next; | |
2062 | ||
2063 | /* test pattern */ | |
2064 | unsigned mv_hor_old; | |
2065 | unsigned mv_hor_new; | |
2066 | unsigned mv_vert_old; | |
2067 | unsigned mv_vert_new; | |
2068 | ||
2069 | /* extras */ | |
2070 | unsigned wss_width; | |
2071 | unsigned wss_random_offset; | |
2072 | unsigned sav_eav_f; | |
2073 | unsigned left_pillar_width; | |
2074 | unsigned right_pillar_start; | |
2075 | }; | |
2076 | ||
f0ce4fd6 HV |
2077 | static void tpg_fill_params_pattern(const struct tpg_data *tpg, unsigned p, |
2078 | struct tpg_draw_params *params) | |
2079 | { | |
2080 | params->mv_hor_old = | |
2081 | tpg_hscale_div(tpg, p, tpg->mv_hor_count % tpg->src_width); | |
2082 | params->mv_hor_new = | |
2083 | tpg_hscale_div(tpg, p, (tpg->mv_hor_count + tpg->mv_hor_step) % | |
2084 | tpg->src_width); | |
2085 | params->mv_vert_old = tpg->mv_vert_count % tpg->src_height; | |
2086 | params->mv_vert_new = | |
2087 | (tpg->mv_vert_count + tpg->mv_vert_step) % tpg->src_height; | |
2088 | } | |
2089 | ||
07386b9a HV |
2090 | static void tpg_fill_params_extras(const struct tpg_data *tpg, |
2091 | unsigned p, | |
2092 | struct tpg_draw_params *params) | |
2093 | { | |
2094 | unsigned left_pillar_width = 0; | |
2095 | unsigned right_pillar_start = params->img_width; | |
2096 | ||
2097 | params->wss_width = tpg->crop.left < tpg->src_width / 2 ? | |
2098 | tpg->src_width / 2 - tpg->crop.left : 0; | |
2099 | if (params->wss_width > tpg->crop.width) | |
2100 | params->wss_width = tpg->crop.width; | |
2101 | params->wss_width = tpg_hscale_div(tpg, p, params->wss_width); | |
2102 | params->wss_random_offset = | |
2103 | params->twopixsize * prandom_u32_max(tpg->src_width / 2); | |
2104 | ||
2105 | if (tpg->crop.left < tpg->border.left) { | |
2106 | left_pillar_width = tpg->border.left - tpg->crop.left; | |
2107 | if (left_pillar_width > tpg->crop.width) | |
2108 | left_pillar_width = tpg->crop.width; | |
2109 | left_pillar_width = tpg_hscale_div(tpg, p, left_pillar_width); | |
2110 | } | |
2111 | params->left_pillar_width = left_pillar_width; | |
2112 | ||
2113 | if (tpg->crop.left + tpg->crop.width > | |
2114 | tpg->border.left + tpg->border.width) { | |
2115 | right_pillar_start = | |
2116 | tpg->border.left + tpg->border.width - tpg->crop.left; | |
2117 | right_pillar_start = | |
2118 | tpg_hscale_div(tpg, p, right_pillar_start); | |
2119 | if (right_pillar_start > params->img_width) | |
2120 | right_pillar_start = params->img_width; | |
2121 | } | |
2122 | params->right_pillar_start = right_pillar_start; | |
2123 | ||
2124 | params->sav_eav_f = tpg->field == | |
2125 | (params->is_60hz ? V4L2_FIELD_TOP : V4L2_FIELD_BOTTOM); | |
2126 | } | |
2127 | ||
c6ff1c1b HV |
2128 | static void tpg_fill_plane_extras(const struct tpg_data *tpg, |
2129 | const struct tpg_draw_params *params, | |
2130 | unsigned p, unsigned h, u8 *vbuf) | |
2131 | { | |
2132 | unsigned twopixsize = params->twopixsize; | |
2133 | unsigned img_width = params->img_width; | |
2134 | unsigned frame_line = params->frame_line; | |
2135 | const struct v4l2_rect *sq = &tpg->square; | |
2136 | const struct v4l2_rect *b = &tpg->border; | |
2137 | const struct v4l2_rect *c = &tpg->crop; | |
2138 | ||
2139 | if (params->is_tv && !params->is_60hz && | |
2140 | frame_line == 0 && params->wss_width) { | |
2141 | /* | |
2142 | * Replace the first half of the top line of a 50 Hz frame | |
2143 | * with random data to simulate a WSS signal. | |
2144 | */ | |
2145 | u8 *wss = tpg->random_line[p] + params->wss_random_offset; | |
2146 | ||
2147 | memcpy(vbuf, wss, params->wss_width); | |
2148 | } | |
2149 | ||
2150 | if (tpg->show_border && frame_line >= b->top && | |
2151 | frame_line < b->top + b->height) { | |
2152 | unsigned bottom = b->top + b->height - 1; | |
2153 | unsigned left = params->left_pillar_width; | |
2154 | unsigned right = params->right_pillar_start; | |
2155 | ||
2156 | if (frame_line == b->top || frame_line == b->top + 1 || | |
2157 | frame_line == bottom || frame_line == bottom - 1) { | |
2158 | memcpy(vbuf + left, tpg->contrast_line[p], | |
2159 | right - left); | |
2160 | } else { | |
2161 | if (b->left >= c->left && | |
2162 | b->left < c->left + c->width) | |
2163 | memcpy(vbuf + left, | |
2164 | tpg->contrast_line[p], twopixsize); | |
2165 | if (b->left + b->width > c->left && | |
2166 | b->left + b->width <= c->left + c->width) | |
2167 | memcpy(vbuf + right - twopixsize, | |
2168 | tpg->contrast_line[p], twopixsize); | |
2169 | } | |
2170 | } | |
2171 | if (tpg->qual != TPG_QUAL_NOISE && frame_line >= b->top && | |
2172 | frame_line < b->top + b->height) { | |
2173 | memcpy(vbuf, tpg->black_line[p], params->left_pillar_width); | |
2174 | memcpy(vbuf + params->right_pillar_start, tpg->black_line[p], | |
2175 | img_width - params->right_pillar_start); | |
2176 | } | |
2177 | if (tpg->show_square && frame_line >= sq->top && | |
2178 | frame_line < sq->top + sq->height && | |
2179 | sq->left < c->left + c->width && | |
2180 | sq->left + sq->width >= c->left) { | |
2181 | unsigned left = sq->left; | |
2182 | unsigned width = sq->width; | |
2183 | ||
2184 | if (c->left > left) { | |
2185 | width -= c->left - left; | |
2186 | left = c->left; | |
2187 | } | |
2188 | if (c->left + c->width < left + width) | |
2189 | width -= left + width - c->left - c->width; | |
2190 | left -= c->left; | |
2191 | left = tpg_hscale_div(tpg, p, left); | |
2192 | width = tpg_hscale_div(tpg, p, width); | |
2193 | memcpy(vbuf + left, tpg->contrast_line[p], width); | |
2194 | } | |
2195 | if (tpg->insert_sav) { | |
2196 | unsigned offset = tpg_hdiv(tpg, p, tpg->compose.width / 3); | |
2197 | u8 *p = vbuf + offset; | |
2198 | unsigned vact = 0, hact = 0; | |
2199 | ||
2200 | p[0] = 0xff; | |
2201 | p[1] = 0; | |
2202 | p[2] = 0; | |
2203 | p[3] = 0x80 | (params->sav_eav_f << 6) | | |
2204 | (vact << 5) | (hact << 4) | | |
2205 | ((hact ^ vact) << 3) | | |
2206 | ((hact ^ params->sav_eav_f) << 2) | | |
2207 | ((params->sav_eav_f ^ vact) << 1) | | |
2208 | (hact ^ vact ^ params->sav_eav_f); | |
2209 | } | |
2210 | if (tpg->insert_eav) { | |
2211 | unsigned offset = tpg_hdiv(tpg, p, tpg->compose.width * 2 / 3); | |
2212 | u8 *p = vbuf + offset; | |
2213 | unsigned vact = 0, hact = 1; | |
2214 | ||
2215 | p[0] = 0xff; | |
2216 | p[1] = 0; | |
2217 | p[2] = 0; | |
2218 | p[3] = 0x80 | (params->sav_eav_f << 6) | | |
2219 | (vact << 5) | (hact << 4) | | |
2220 | ((hact ^ vact) << 3) | | |
2221 | ((hact ^ params->sav_eav_f) << 2) | | |
2222 | ((params->sav_eav_f ^ vact) << 1) | | |
2223 | (hact ^ vact ^ params->sav_eav_f); | |
2224 | } | |
2225 | } | |
2226 | ||
ecb9e91b HV |
2227 | static void tpg_fill_plane_pattern(const struct tpg_data *tpg, |
2228 | const struct tpg_draw_params *params, | |
2229 | unsigned p, unsigned h, u8 *vbuf) | |
2230 | { | |
2231 | unsigned twopixsize = params->twopixsize; | |
2232 | unsigned img_width = params->img_width; | |
2233 | unsigned mv_hor_old = params->mv_hor_old; | |
2234 | unsigned mv_hor_new = params->mv_hor_new; | |
2235 | unsigned mv_vert_old = params->mv_vert_old; | |
2236 | unsigned mv_vert_new = params->mv_vert_new; | |
2237 | unsigned frame_line = params->frame_line; | |
2238 | unsigned frame_line_next = params->frame_line_next; | |
2239 | unsigned line_offset = tpg_hscale_div(tpg, p, tpg->crop.left); | |
2240 | bool even; | |
2241 | bool fill_blank = false; | |
2242 | unsigned pat_line_old; | |
2243 | unsigned pat_line_new; | |
2244 | u8 *linestart_older; | |
2245 | u8 *linestart_newer; | |
2246 | u8 *linestart_top; | |
2247 | u8 *linestart_bottom; | |
2248 | ||
2249 | even = !(frame_line & 1); | |
2250 | ||
2251 | if (h >= params->hmax) { | |
2252 | if (params->hmax == tpg->compose.height) | |
2253 | return; | |
2254 | if (!tpg->perc_fill_blank) | |
2255 | return; | |
2256 | fill_blank = true; | |
2257 | } | |
2258 | ||
2259 | if (tpg->vflip) { | |
2260 | frame_line = tpg->src_height - frame_line - 1; | |
2261 | frame_line_next = tpg->src_height - frame_line_next - 1; | |
2262 | } | |
2263 | ||
2264 | if (fill_blank) { | |
2265 | linestart_older = tpg->contrast_line[p]; | |
2266 | linestart_newer = tpg->contrast_line[p]; | |
2267 | } else if (tpg->qual != TPG_QUAL_NOISE && | |
2268 | (frame_line < tpg->border.top || | |
2269 | frame_line >= tpg->border.top + tpg->border.height)) { | |
2270 | linestart_older = tpg->black_line[p]; | |
2271 | linestart_newer = tpg->black_line[p]; | |
2272 | } else if (tpg->pattern == TPG_PAT_NOISE || tpg->qual == TPG_QUAL_NOISE) { | |
2273 | linestart_older = tpg->random_line[p] + | |
2274 | twopixsize * prandom_u32_max(tpg->src_width / 2); | |
2275 | linestart_newer = tpg->random_line[p] + | |
2276 | twopixsize * prandom_u32_max(tpg->src_width / 2); | |
2277 | } else { | |
2278 | unsigned frame_line_old = | |
2279 | (frame_line + mv_vert_old) % tpg->src_height; | |
2280 | unsigned frame_line_new = | |
2281 | (frame_line + mv_vert_new) % tpg->src_height; | |
2282 | unsigned pat_line_next_old; | |
2283 | unsigned pat_line_next_new; | |
2284 | ||
2285 | pat_line_old = tpg_get_pat_line(tpg, frame_line_old); | |
2286 | pat_line_new = tpg_get_pat_line(tpg, frame_line_new); | |
2287 | linestart_older = tpg->lines[pat_line_old][p] + mv_hor_old; | |
2288 | linestart_newer = tpg->lines[pat_line_new][p] + mv_hor_new; | |
2289 | ||
2290 | if (tpg->vdownsampling[p] > 1 && frame_line != frame_line_next) { | |
2291 | int avg_pat; | |
2292 | ||
2293 | /* | |
2294 | * Now decide whether we need to use downsampled_lines[]. | |
2295 | * That's necessary if the two lines use different patterns. | |
2296 | */ | |
2297 | pat_line_next_old = tpg_get_pat_line(tpg, | |
2298 | (frame_line_next + mv_vert_old) % tpg->src_height); | |
2299 | pat_line_next_new = tpg_get_pat_line(tpg, | |
2300 | (frame_line_next + mv_vert_new) % tpg->src_height); | |
2301 | ||
2302 | switch (tpg->field) { | |
2303 | case V4L2_FIELD_INTERLACED: | |
2304 | case V4L2_FIELD_INTERLACED_BT: | |
2305 | case V4L2_FIELD_INTERLACED_TB: | |
2306 | avg_pat = tpg_pattern_avg(tpg, pat_line_old, pat_line_new); | |
2307 | if (avg_pat < 0) | |
2308 | break; | |
2309 | linestart_older = tpg->downsampled_lines[avg_pat][p] + mv_hor_old; | |
2310 | linestart_newer = linestart_older; | |
2311 | break; | |
2312 | case V4L2_FIELD_NONE: | |
2313 | case V4L2_FIELD_TOP: | |
2314 | case V4L2_FIELD_BOTTOM: | |
2315 | case V4L2_FIELD_SEQ_BT: | |
2316 | case V4L2_FIELD_SEQ_TB: | |
2317 | avg_pat = tpg_pattern_avg(tpg, pat_line_old, pat_line_next_old); | |
2318 | if (avg_pat >= 0) | |
2319 | linestart_older = tpg->downsampled_lines[avg_pat][p] + | |
2320 | mv_hor_old; | |
2321 | avg_pat = tpg_pattern_avg(tpg, pat_line_new, pat_line_next_new); | |
2322 | if (avg_pat >= 0) | |
2323 | linestart_newer = tpg->downsampled_lines[avg_pat][p] + | |
2324 | mv_hor_new; | |
2325 | break; | |
2326 | } | |
2327 | } | |
2328 | linestart_older += line_offset; | |
2329 | linestart_newer += line_offset; | |
2330 | } | |
2331 | if (tpg->field_alternate) { | |
2332 | linestart_top = linestart_bottom = linestart_older; | |
2333 | } else if (params->is_60hz) { | |
2334 | linestart_top = linestart_newer; | |
2335 | linestart_bottom = linestart_older; | |
2336 | } else { | |
2337 | linestart_top = linestart_older; | |
2338 | linestart_bottom = linestart_newer; | |
2339 | } | |
2340 | ||
2341 | switch (tpg->field) { | |
2342 | case V4L2_FIELD_INTERLACED: | |
2343 | case V4L2_FIELD_INTERLACED_TB: | |
2344 | case V4L2_FIELD_SEQ_TB: | |
2345 | case V4L2_FIELD_SEQ_BT: | |
2346 | if (even) | |
2347 | memcpy(vbuf, linestart_top, img_width); | |
2348 | else | |
2349 | memcpy(vbuf, linestart_bottom, img_width); | |
2350 | break; | |
2351 | case V4L2_FIELD_INTERLACED_BT: | |
2352 | if (even) | |
2353 | memcpy(vbuf, linestart_bottom, img_width); | |
2354 | else | |
2355 | memcpy(vbuf, linestart_top, img_width); | |
2356 | break; | |
2357 | case V4L2_FIELD_TOP: | |
2358 | memcpy(vbuf, linestart_top, img_width); | |
2359 | break; | |
2360 | case V4L2_FIELD_BOTTOM: | |
2361 | memcpy(vbuf, linestart_bottom, img_width); | |
2362 | break; | |
2363 | case V4L2_FIELD_NONE: | |
2364 | default: | |
2365 | memcpy(vbuf, linestart_older, img_width); | |
2366 | break; | |
2367 | } | |
2368 | } | |
2369 | ||
2370 | void tpg_fill_plane_buffer(struct tpg_data *tpg, v4l2_std_id std, | |
2371 | unsigned p, u8 *vbuf) | |
63881df9 | 2372 | { |
5e729393 | 2373 | struct tpg_draw_params params; |
63881df9 | 2374 | unsigned factor = V4L2_FIELD_HAS_T_OR_B(tpg->field) ? 2 : 1; |
63881df9 HV |
2375 | |
2376 | /* Coarse scaling with Bresenham */ | |
2377 | unsigned int_part = (tpg->crop.height / factor) / tpg->compose.height; | |
2378 | unsigned fract_part = (tpg->crop.height / factor) % tpg->compose.height; | |
2379 | unsigned src_y = 0; | |
2380 | unsigned error = 0; | |
ecb9e91b | 2381 | unsigned h; |
63881df9 HV |
2382 | |
2383 | tpg_recalc(tpg); | |
2384 | ||
5e729393 HV |
2385 | params.is_tv = std; |
2386 | params.is_60hz = std & V4L2_STD_525_60; | |
2387 | params.twopixsize = tpg->twopixelsize[p]; | |
2388 | params.img_width = tpg_hdiv(tpg, p, tpg->compose.width); | |
2389 | params.stride = tpg->bytesperline[p]; | |
2390 | params.hmax = (tpg->compose.height * tpg->perc_fill) / 100; | |
2391 | ||
f0ce4fd6 | 2392 | tpg_fill_params_pattern(tpg, p, ¶ms); |
07386b9a HV |
2393 | tpg_fill_params_extras(tpg, p, ¶ms); |
2394 | ||
9991deff | 2395 | vbuf += tpg_hdiv(tpg, p, tpg->compose.left); |
63881df9 HV |
2396 | |
2397 | for (h = 0; h < tpg->compose.height; h++) { | |
63881df9 | 2398 | unsigned buf_line; |
63881df9 | 2399 | |
c6ff1c1b HV |
2400 | params.frame_line = tpg_calc_frameline(tpg, src_y, tpg->field); |
2401 | params.frame_line_next = params.frame_line; | |
63881df9 HV |
2402 | buf_line = tpg_calc_buffer_line(tpg, h, tpg->field); |
2403 | src_y += int_part; | |
2404 | error += fract_part; | |
2405 | if (error >= tpg->compose.height) { | |
2406 | error -= tpg->compose.height; | |
2407 | src_y++; | |
2408 | } | |
2409 | ||
02aa769d HV |
2410 | /* |
2411 | * For line-interleaved formats determine the 'plane' | |
2412 | * based on the buffer line. | |
2413 | */ | |
2414 | if (tpg_g_interleaved(tpg)) | |
2415 | p = tpg_g_interleaved_plane(tpg, buf_line); | |
2416 | ||
ecb9e91b | 2417 | if (tpg->vdownsampling[p] > 1) { |
280abe47 HV |
2418 | /* |
2419 | * When doing vertical downsampling the field setting | |
2420 | * matters: for SEQ_BT/TB we downsample each field | |
2421 | * separately (i.e. lines 0+2 are combined, as are | |
2422 | * lines 1+3), for the other field settings we combine | |
2423 | * odd and even lines. Doing that for SEQ_BT/TB would | |
2424 | * be really weird. | |
2425 | */ | |
2426 | if (tpg->field == V4L2_FIELD_SEQ_BT || | |
2427 | tpg->field == V4L2_FIELD_SEQ_TB) { | |
ecb9e91b HV |
2428 | unsigned next_src_y = src_y; |
2429 | ||
280abe47 HV |
2430 | if ((h & 3) >= 2) |
2431 | continue; | |
ecb9e91b HV |
2432 | next_src_y += int_part; |
2433 | if (error + fract_part >= tpg->compose.height) | |
2434 | next_src_y++; | |
2435 | params.frame_line_next = | |
2436 | tpg_calc_frameline(tpg, next_src_y, tpg->field); | |
2437 | } else { | |
2438 | if (h & 1) | |
2439 | continue; | |
2440 | params.frame_line_next = | |
2441 | tpg_calc_frameline(tpg, src_y, tpg->field); | |
280abe47 | 2442 | } |
63881df9 | 2443 | |
ecb9e91b | 2444 | buf_line /= tpg->vdownsampling[p]; |
63881df9 | 2445 | } |
ecb9e91b HV |
2446 | tpg_fill_plane_pattern(tpg, ¶ms, p, h, |
2447 | vbuf + buf_line * params.stride); | |
c6ff1c1b HV |
2448 | tpg_fill_plane_extras(tpg, ¶ms, p, h, |
2449 | vbuf + buf_line * params.stride); | |
63881df9 HV |
2450 | } |
2451 | } | |
e07d46e7 | 2452 | EXPORT_SYMBOL_GPL(tpg_fill_plane_buffer); |
4db22041 HV |
2453 | |
2454 | void tpg_fillbuffer(struct tpg_data *tpg, v4l2_std_id std, unsigned p, u8 *vbuf) | |
2455 | { | |
2456 | unsigned offset = 0; | |
2457 | unsigned i; | |
2458 | ||
2459 | if (tpg->buffers > 1) { | |
2460 | tpg_fill_plane_buffer(tpg, std, p, vbuf); | |
2461 | return; | |
2462 | } | |
2463 | ||
02aa769d | 2464 | for (i = 0; i < tpg_g_planes(tpg); i++) { |
4db22041 HV |
2465 | tpg_fill_plane_buffer(tpg, std, i, vbuf + offset); |
2466 | offset += tpg_calc_plane_size(tpg, i); | |
2467 | } | |
2468 | } | |
e07d46e7 HMKF |
2469 | EXPORT_SYMBOL_GPL(tpg_fillbuffer); |
2470 | ||
2471 | MODULE_DESCRIPTION("V4L2 Test Pattern Generator"); | |
2472 | MODULE_AUTHOR("Hans Verkuil"); | |
2473 | MODULE_LICENSE("GPL"); |