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9a74251d GL |
1 | /* |
2 | * soc-camera media bus helper routines | |
3 | * | |
4 | * Copyright (C) 2009, Guennadi Liakhovetski <g.liakhovetski@gmx.de> | |
5 | * | |
6 | * This program is free software; you can redistribute it and/or modify | |
7 | * it under the terms of the GNU General Public License version 2 as | |
8 | * published by the Free Software Foundation. | |
9 | */ | |
10 | ||
11 | #include <linux/kernel.h> | |
12 | #include <linux/module.h> | |
13 | ||
14 | #include <media/v4l2-device.h> | |
15 | #include <media/v4l2-mediabus.h> | |
d647f0b7 | 16 | #include <media/drv-intf/soc_mediabus.h> |
9a74251d | 17 | |
93f116d5 GL |
18 | static const struct soc_mbus_lookup mbus_fmt[] = { |
19 | { | |
27ffaeb0 | 20 | .code = MEDIA_BUS_FMT_YUYV8_2X8, |
93f116d5 | 21 | .fmt = { |
9a74251d GL |
22 | .fourcc = V4L2_PIX_FMT_YUYV, |
23 | .name = "YUYV", | |
24 | .bits_per_sample = 8, | |
25 | .packing = SOC_MBUS_PACKING_2X8_PADHI, | |
26 | .order = SOC_MBUS_ORDER_LE, | |
ad3b81fa | 27 | .layout = SOC_MBUS_LAYOUT_PACKED, |
81355e40 | 28 | }, |
93f116d5 | 29 | }, { |
27ffaeb0 | 30 | .code = MEDIA_BUS_FMT_YVYU8_2X8, |
93f116d5 | 31 | .fmt = { |
9a74251d GL |
32 | .fourcc = V4L2_PIX_FMT_YVYU, |
33 | .name = "YVYU", | |
34 | .bits_per_sample = 8, | |
35 | .packing = SOC_MBUS_PACKING_2X8_PADHI, | |
36 | .order = SOC_MBUS_ORDER_LE, | |
ad3b81fa | 37 | .layout = SOC_MBUS_LAYOUT_PACKED, |
81355e40 | 38 | }, |
93f116d5 | 39 | }, { |
27ffaeb0 | 40 | .code = MEDIA_BUS_FMT_UYVY8_2X8, |
93f116d5 | 41 | .fmt = { |
9a74251d GL |
42 | .fourcc = V4L2_PIX_FMT_UYVY, |
43 | .name = "UYVY", | |
44 | .bits_per_sample = 8, | |
45 | .packing = SOC_MBUS_PACKING_2X8_PADHI, | |
46 | .order = SOC_MBUS_ORDER_LE, | |
ad3b81fa | 47 | .layout = SOC_MBUS_LAYOUT_PACKED, |
81355e40 | 48 | }, |
93f116d5 | 49 | }, { |
27ffaeb0 | 50 | .code = MEDIA_BUS_FMT_VYUY8_2X8, |
93f116d5 | 51 | .fmt = { |
9a74251d GL |
52 | .fourcc = V4L2_PIX_FMT_VYUY, |
53 | .name = "VYUY", | |
54 | .bits_per_sample = 8, | |
55 | .packing = SOC_MBUS_PACKING_2X8_PADHI, | |
56 | .order = SOC_MBUS_ORDER_LE, | |
ad3b81fa | 57 | .layout = SOC_MBUS_LAYOUT_PACKED, |
81355e40 | 58 | }, |
93f116d5 | 59 | }, { |
27ffaeb0 | 60 | .code = MEDIA_BUS_FMT_RGB555_2X8_PADHI_LE, |
93f116d5 | 61 | .fmt = { |
9a74251d GL |
62 | .fourcc = V4L2_PIX_FMT_RGB555, |
63 | .name = "RGB555", | |
64 | .bits_per_sample = 8, | |
65 | .packing = SOC_MBUS_PACKING_2X8_PADHI, | |
66 | .order = SOC_MBUS_ORDER_LE, | |
ad3b81fa | 67 | .layout = SOC_MBUS_LAYOUT_PACKED, |
81355e40 | 68 | }, |
93f116d5 | 69 | }, { |
27ffaeb0 | 70 | .code = MEDIA_BUS_FMT_RGB555_2X8_PADHI_BE, |
93f116d5 | 71 | .fmt = { |
9a74251d GL |
72 | .fourcc = V4L2_PIX_FMT_RGB555X, |
73 | .name = "RGB555X", | |
74 | .bits_per_sample = 8, | |
75 | .packing = SOC_MBUS_PACKING_2X8_PADHI, | |
abcb6b99 | 76 | .order = SOC_MBUS_ORDER_BE, |
ad3b81fa | 77 | .layout = SOC_MBUS_LAYOUT_PACKED, |
81355e40 | 78 | }, |
93f116d5 | 79 | }, { |
27ffaeb0 | 80 | .code = MEDIA_BUS_FMT_RGB565_2X8_LE, |
93f116d5 | 81 | .fmt = { |
9a74251d GL |
82 | .fourcc = V4L2_PIX_FMT_RGB565, |
83 | .name = "RGB565", | |
84 | .bits_per_sample = 8, | |
85 | .packing = SOC_MBUS_PACKING_2X8_PADHI, | |
86 | .order = SOC_MBUS_ORDER_LE, | |
ad3b81fa | 87 | .layout = SOC_MBUS_LAYOUT_PACKED, |
81355e40 | 88 | }, |
93f116d5 | 89 | }, { |
27ffaeb0 | 90 | .code = MEDIA_BUS_FMT_RGB565_2X8_BE, |
93f116d5 | 91 | .fmt = { |
9a74251d GL |
92 | .fourcc = V4L2_PIX_FMT_RGB565X, |
93 | .name = "RGB565X", | |
94 | .bits_per_sample = 8, | |
95 | .packing = SOC_MBUS_PACKING_2X8_PADHI, | |
abcb6b99 | 96 | .order = SOC_MBUS_ORDER_BE, |
ad3b81fa | 97 | .layout = SOC_MBUS_LAYOUT_PACKED, |
81355e40 | 98 | }, |
7b88fc08 | 99 | }, { |
27ffaeb0 | 100 | .code = MEDIA_BUS_FMT_RGB666_1X18, |
7b88fc08 PE |
101 | .fmt = { |
102 | .fourcc = V4L2_PIX_FMT_RGB32, | |
103 | .name = "RGB666/32bpp", | |
104 | .bits_per_sample = 18, | |
105 | .packing = SOC_MBUS_PACKING_EXTEND32, | |
106 | .order = SOC_MBUS_ORDER_LE, | |
107 | }, | |
108 | }, { | |
27ffaeb0 | 109 | .code = MEDIA_BUS_FMT_RGB888_1X24, |
7b88fc08 PE |
110 | .fmt = { |
111 | .fourcc = V4L2_PIX_FMT_RGB32, | |
112 | .name = "RGB888/32bpp", | |
113 | .bits_per_sample = 24, | |
114 | .packing = SOC_MBUS_PACKING_EXTEND32, | |
115 | .order = SOC_MBUS_ORDER_LE, | |
116 | }, | |
117 | }, { | |
27ffaeb0 | 118 | .code = MEDIA_BUS_FMT_RGB888_2X12_BE, |
7b88fc08 PE |
119 | .fmt = { |
120 | .fourcc = V4L2_PIX_FMT_RGB32, | |
121 | .name = "RGB888/32bpp", | |
122 | .bits_per_sample = 12, | |
123 | .packing = SOC_MBUS_PACKING_EXTEND32, | |
124 | .order = SOC_MBUS_ORDER_BE, | |
125 | }, | |
126 | }, { | |
27ffaeb0 | 127 | .code = MEDIA_BUS_FMT_RGB888_2X12_LE, |
7b88fc08 PE |
128 | .fmt = { |
129 | .fourcc = V4L2_PIX_FMT_RGB32, | |
130 | .name = "RGB888/32bpp", | |
131 | .bits_per_sample = 12, | |
132 | .packing = SOC_MBUS_PACKING_EXTEND32, | |
133 | .order = SOC_MBUS_ORDER_LE, | |
134 | }, | |
93f116d5 | 135 | }, { |
27ffaeb0 | 136 | .code = MEDIA_BUS_FMT_SBGGR8_1X8, |
93f116d5 | 137 | .fmt = { |
9a74251d GL |
138 | .fourcc = V4L2_PIX_FMT_SBGGR8, |
139 | .name = "Bayer 8 BGGR", | |
140 | .bits_per_sample = 8, | |
141 | .packing = SOC_MBUS_PACKING_NONE, | |
142 | .order = SOC_MBUS_ORDER_LE, | |
ad3b81fa | 143 | .layout = SOC_MBUS_LAYOUT_PACKED, |
81355e40 | 144 | }, |
93f116d5 | 145 | }, { |
27ffaeb0 | 146 | .code = MEDIA_BUS_FMT_SBGGR10_1X10, |
93f116d5 | 147 | .fmt = { |
9a74251d GL |
148 | .fourcc = V4L2_PIX_FMT_SBGGR10, |
149 | .name = "Bayer 10 BGGR", | |
150 | .bits_per_sample = 10, | |
151 | .packing = SOC_MBUS_PACKING_EXTEND16, | |
152 | .order = SOC_MBUS_ORDER_LE, | |
ad3b81fa | 153 | .layout = SOC_MBUS_LAYOUT_PACKED, |
81355e40 | 154 | }, |
93f116d5 | 155 | }, { |
27ffaeb0 | 156 | .code = MEDIA_BUS_FMT_Y8_1X8, |
93f116d5 | 157 | .fmt = { |
9a74251d GL |
158 | .fourcc = V4L2_PIX_FMT_GREY, |
159 | .name = "Grey", | |
160 | .bits_per_sample = 8, | |
161 | .packing = SOC_MBUS_PACKING_NONE, | |
162 | .order = SOC_MBUS_ORDER_LE, | |
ad3b81fa | 163 | .layout = SOC_MBUS_LAYOUT_PACKED, |
81355e40 | 164 | }, |
93f116d5 | 165 | }, { |
27ffaeb0 | 166 | .code = MEDIA_BUS_FMT_Y10_1X10, |
93f116d5 | 167 | .fmt = { |
9a74251d GL |
168 | .fourcc = V4L2_PIX_FMT_Y10, |
169 | .name = "Grey 10bit", | |
170 | .bits_per_sample = 10, | |
171 | .packing = SOC_MBUS_PACKING_EXTEND16, | |
172 | .order = SOC_MBUS_ORDER_LE, | |
ad3b81fa | 173 | .layout = SOC_MBUS_LAYOUT_PACKED, |
81355e40 | 174 | }, |
93f116d5 | 175 | }, { |
27ffaeb0 | 176 | .code = MEDIA_BUS_FMT_SBGGR10_2X8_PADHI_LE, |
93f116d5 | 177 | .fmt = { |
9a74251d GL |
178 | .fourcc = V4L2_PIX_FMT_SBGGR10, |
179 | .name = "Bayer 10 BGGR", | |
180 | .bits_per_sample = 8, | |
181 | .packing = SOC_MBUS_PACKING_2X8_PADHI, | |
182 | .order = SOC_MBUS_ORDER_LE, | |
ad3b81fa | 183 | .layout = SOC_MBUS_LAYOUT_PACKED, |
81355e40 | 184 | }, |
93f116d5 | 185 | }, { |
27ffaeb0 | 186 | .code = MEDIA_BUS_FMT_SBGGR10_2X8_PADLO_LE, |
93f116d5 | 187 | .fmt = { |
9a74251d GL |
188 | .fourcc = V4L2_PIX_FMT_SBGGR10, |
189 | .name = "Bayer 10 BGGR", | |
190 | .bits_per_sample = 8, | |
191 | .packing = SOC_MBUS_PACKING_2X8_PADLO, | |
192 | .order = SOC_MBUS_ORDER_LE, | |
ad3b81fa | 193 | .layout = SOC_MBUS_LAYOUT_PACKED, |
81355e40 | 194 | }, |
93f116d5 | 195 | }, { |
27ffaeb0 | 196 | .code = MEDIA_BUS_FMT_SBGGR10_2X8_PADHI_BE, |
93f116d5 | 197 | .fmt = { |
9a74251d GL |
198 | .fourcc = V4L2_PIX_FMT_SBGGR10, |
199 | .name = "Bayer 10 BGGR", | |
200 | .bits_per_sample = 8, | |
201 | .packing = SOC_MBUS_PACKING_2X8_PADHI, | |
202 | .order = SOC_MBUS_ORDER_BE, | |
ad3b81fa | 203 | .layout = SOC_MBUS_LAYOUT_PACKED, |
81355e40 | 204 | }, |
93f116d5 | 205 | }, { |
27ffaeb0 | 206 | .code = MEDIA_BUS_FMT_SBGGR10_2X8_PADLO_BE, |
93f116d5 | 207 | .fmt = { |
9a74251d GL |
208 | .fourcc = V4L2_PIX_FMT_SBGGR10, |
209 | .name = "Bayer 10 BGGR", | |
210 | .bits_per_sample = 8, | |
211 | .packing = SOC_MBUS_PACKING_2X8_PADLO, | |
212 | .order = SOC_MBUS_ORDER_BE, | |
ad3b81fa | 213 | .layout = SOC_MBUS_LAYOUT_PACKED, |
9a74251d | 214 | }, |
93f116d5 | 215 | }, { |
27ffaeb0 | 216 | .code = MEDIA_BUS_FMT_JPEG_1X8, |
93f116d5 | 217 | .fmt = { |
64149deb KL |
218 | .fourcc = V4L2_PIX_FMT_JPEG, |
219 | .name = "JPEG", | |
220 | .bits_per_sample = 8, | |
221 | .packing = SOC_MBUS_PACKING_VARIABLE, | |
222 | .order = SOC_MBUS_ORDER_LE, | |
ad3b81fa | 223 | .layout = SOC_MBUS_LAYOUT_PACKED, |
64149deb | 224 | }, |
e23b961d | 225 | }, { |
27ffaeb0 | 226 | .code = MEDIA_BUS_FMT_RGB444_2X8_PADHI_BE, |
e23b961d GL |
227 | .fmt = { |
228 | .fourcc = V4L2_PIX_FMT_RGB444, | |
229 | .name = "RGB444", | |
230 | .bits_per_sample = 8, | |
231 | .packing = SOC_MBUS_PACKING_2X8_PADHI, | |
232 | .order = SOC_MBUS_ORDER_BE, | |
ad3b81fa | 233 | .layout = SOC_MBUS_LAYOUT_PACKED, |
e23b961d GL |
234 | }, |
235 | }, { | |
27ffaeb0 | 236 | .code = MEDIA_BUS_FMT_YUYV8_1_5X8, |
e23b961d GL |
237 | .fmt = { |
238 | .fourcc = V4L2_PIX_FMT_YUV420, | |
239 | .name = "YUYV 4:2:0", | |
240 | .bits_per_sample = 8, | |
241 | .packing = SOC_MBUS_PACKING_1_5X8, | |
242 | .order = SOC_MBUS_ORDER_LE, | |
ad3b81fa | 243 | .layout = SOC_MBUS_LAYOUT_PACKED, |
e23b961d GL |
244 | }, |
245 | }, { | |
27ffaeb0 | 246 | .code = MEDIA_BUS_FMT_YVYU8_1_5X8, |
e23b961d GL |
247 | .fmt = { |
248 | .fourcc = V4L2_PIX_FMT_YVU420, | |
249 | .name = "YVYU 4:2:0", | |
250 | .bits_per_sample = 8, | |
251 | .packing = SOC_MBUS_PACKING_1_5X8, | |
252 | .order = SOC_MBUS_ORDER_LE, | |
ad3b81fa | 253 | .layout = SOC_MBUS_LAYOUT_PACKED, |
e23b961d GL |
254 | }, |
255 | }, { | |
27ffaeb0 | 256 | .code = MEDIA_BUS_FMT_UYVY8_1X16, |
e23b961d GL |
257 | .fmt = { |
258 | .fourcc = V4L2_PIX_FMT_UYVY, | |
259 | .name = "UYVY 16bit", | |
260 | .bits_per_sample = 16, | |
261 | .packing = SOC_MBUS_PACKING_EXTEND16, | |
262 | .order = SOC_MBUS_ORDER_LE, | |
ad3b81fa | 263 | .layout = SOC_MBUS_LAYOUT_PACKED, |
e23b961d GL |
264 | }, |
265 | }, { | |
27ffaeb0 | 266 | .code = MEDIA_BUS_FMT_VYUY8_1X16, |
e23b961d GL |
267 | .fmt = { |
268 | .fourcc = V4L2_PIX_FMT_VYUY, | |
269 | .name = "VYUY 16bit", | |
270 | .bits_per_sample = 16, | |
271 | .packing = SOC_MBUS_PACKING_EXTEND16, | |
272 | .order = SOC_MBUS_ORDER_LE, | |
ad3b81fa | 273 | .layout = SOC_MBUS_LAYOUT_PACKED, |
e23b961d GL |
274 | }, |
275 | }, { | |
27ffaeb0 | 276 | .code = MEDIA_BUS_FMT_YUYV8_1X16, |
e23b961d GL |
277 | .fmt = { |
278 | .fourcc = V4L2_PIX_FMT_YUYV, | |
279 | .name = "YUYV 16bit", | |
280 | .bits_per_sample = 16, | |
281 | .packing = SOC_MBUS_PACKING_EXTEND16, | |
282 | .order = SOC_MBUS_ORDER_LE, | |
ad3b81fa | 283 | .layout = SOC_MBUS_LAYOUT_PACKED, |
e23b961d GL |
284 | }, |
285 | }, { | |
27ffaeb0 | 286 | .code = MEDIA_BUS_FMT_YVYU8_1X16, |
e23b961d GL |
287 | .fmt = { |
288 | .fourcc = V4L2_PIX_FMT_YVYU, | |
289 | .name = "YVYU 16bit", | |
290 | .bits_per_sample = 16, | |
291 | .packing = SOC_MBUS_PACKING_EXTEND16, | |
292 | .order = SOC_MBUS_ORDER_LE, | |
ad3b81fa | 293 | .layout = SOC_MBUS_LAYOUT_PACKED, |
e23b961d GL |
294 | }, |
295 | }, { | |
27ffaeb0 | 296 | .code = MEDIA_BUS_FMT_SGRBG8_1X8, |
e23b961d GL |
297 | .fmt = { |
298 | .fourcc = V4L2_PIX_FMT_SGRBG8, | |
299 | .name = "Bayer 8 GRBG", | |
300 | .bits_per_sample = 8, | |
301 | .packing = SOC_MBUS_PACKING_NONE, | |
302 | .order = SOC_MBUS_ORDER_LE, | |
ad3b81fa | 303 | .layout = SOC_MBUS_LAYOUT_PACKED, |
e23b961d GL |
304 | }, |
305 | }, { | |
27ffaeb0 | 306 | .code = MEDIA_BUS_FMT_SGRBG10_DPCM8_1X8, |
e23b961d GL |
307 | .fmt = { |
308 | .fourcc = V4L2_PIX_FMT_SGRBG10DPCM8, | |
309 | .name = "Bayer 10 BGGR DPCM 8", | |
310 | .bits_per_sample = 8, | |
311 | .packing = SOC_MBUS_PACKING_NONE, | |
312 | .order = SOC_MBUS_ORDER_LE, | |
ad3b81fa | 313 | .layout = SOC_MBUS_LAYOUT_PACKED, |
e23b961d GL |
314 | }, |
315 | }, { | |
27ffaeb0 | 316 | .code = MEDIA_BUS_FMT_SGBRG10_1X10, |
e23b961d GL |
317 | .fmt = { |
318 | .fourcc = V4L2_PIX_FMT_SGBRG10, | |
319 | .name = "Bayer 10 GBRG", | |
320 | .bits_per_sample = 10, | |
321 | .packing = SOC_MBUS_PACKING_EXTEND16, | |
322 | .order = SOC_MBUS_ORDER_LE, | |
ad3b81fa | 323 | .layout = SOC_MBUS_LAYOUT_PACKED, |
e23b961d GL |
324 | }, |
325 | }, { | |
27ffaeb0 | 326 | .code = MEDIA_BUS_FMT_SGRBG10_1X10, |
e23b961d GL |
327 | .fmt = { |
328 | .fourcc = V4L2_PIX_FMT_SGRBG10, | |
329 | .name = "Bayer 10 GRBG", | |
330 | .bits_per_sample = 10, | |
331 | .packing = SOC_MBUS_PACKING_EXTEND16, | |
332 | .order = SOC_MBUS_ORDER_LE, | |
ad3b81fa | 333 | .layout = SOC_MBUS_LAYOUT_PACKED, |
e23b961d GL |
334 | }, |
335 | }, { | |
27ffaeb0 | 336 | .code = MEDIA_BUS_FMT_SRGGB10_1X10, |
e23b961d GL |
337 | .fmt = { |
338 | .fourcc = V4L2_PIX_FMT_SRGGB10, | |
339 | .name = "Bayer 10 RGGB", | |
340 | .bits_per_sample = 10, | |
341 | .packing = SOC_MBUS_PACKING_EXTEND16, | |
342 | .order = SOC_MBUS_ORDER_LE, | |
ad3b81fa | 343 | .layout = SOC_MBUS_LAYOUT_PACKED, |
e23b961d GL |
344 | }, |
345 | }, { | |
27ffaeb0 | 346 | .code = MEDIA_BUS_FMT_SBGGR12_1X12, |
e23b961d GL |
347 | .fmt = { |
348 | .fourcc = V4L2_PIX_FMT_SBGGR12, | |
349 | .name = "Bayer 12 BGGR", | |
350 | .bits_per_sample = 12, | |
351 | .packing = SOC_MBUS_PACKING_EXTEND16, | |
352 | .order = SOC_MBUS_ORDER_LE, | |
ad3b81fa | 353 | .layout = SOC_MBUS_LAYOUT_PACKED, |
e23b961d GL |
354 | }, |
355 | }, { | |
27ffaeb0 | 356 | .code = MEDIA_BUS_FMT_SGBRG12_1X12, |
e23b961d GL |
357 | .fmt = { |
358 | .fourcc = V4L2_PIX_FMT_SGBRG12, | |
359 | .name = "Bayer 12 GBRG", | |
360 | .bits_per_sample = 12, | |
361 | .packing = SOC_MBUS_PACKING_EXTEND16, | |
362 | .order = SOC_MBUS_ORDER_LE, | |
ad3b81fa | 363 | .layout = SOC_MBUS_LAYOUT_PACKED, |
e23b961d GL |
364 | }, |
365 | }, { | |
27ffaeb0 | 366 | .code = MEDIA_BUS_FMT_SGRBG12_1X12, |
e23b961d GL |
367 | .fmt = { |
368 | .fourcc = V4L2_PIX_FMT_SGRBG12, | |
369 | .name = "Bayer 12 GRBG", | |
370 | .bits_per_sample = 12, | |
371 | .packing = SOC_MBUS_PACKING_EXTEND16, | |
372 | .order = SOC_MBUS_ORDER_LE, | |
ad3b81fa | 373 | .layout = SOC_MBUS_LAYOUT_PACKED, |
e23b961d GL |
374 | }, |
375 | }, { | |
27ffaeb0 | 376 | .code = MEDIA_BUS_FMT_SRGGB12_1X12, |
e23b961d GL |
377 | .fmt = { |
378 | .fourcc = V4L2_PIX_FMT_SRGGB12, | |
379 | .name = "Bayer 12 RGGB", | |
380 | .bits_per_sample = 12, | |
381 | .packing = SOC_MBUS_PACKING_EXTEND16, | |
382 | .order = SOC_MBUS_ORDER_LE, | |
ad3b81fa | 383 | .layout = SOC_MBUS_LAYOUT_PACKED, |
e23b961d | 384 | }, |
93f116d5 | 385 | }, |
9a74251d GL |
386 | }; |
387 | ||
cc552b62 GL |
388 | int soc_mbus_samples_per_pixel(const struct soc_mbus_pixelfmt *mf, |
389 | unsigned int *numerator, unsigned int *denominator) | |
48a3c773 AP |
390 | { |
391 | switch (mf->packing) { | |
392 | case SOC_MBUS_PACKING_NONE: | |
393 | case SOC_MBUS_PACKING_EXTEND16: | |
cc552b62 GL |
394 | *numerator = 1; |
395 | *denominator = 1; | |
396 | return 0; | |
7b88fc08 PE |
397 | case SOC_MBUS_PACKING_EXTEND32: |
398 | *numerator = 1; | |
399 | *denominator = 1; | |
400 | return 0; | |
48a3c773 AP |
401 | case SOC_MBUS_PACKING_2X8_PADHI: |
402 | case SOC_MBUS_PACKING_2X8_PADLO: | |
cc552b62 GL |
403 | *numerator = 2; |
404 | *denominator = 1; | |
405 | return 0; | |
406 | case SOC_MBUS_PACKING_1_5X8: | |
407 | *numerator = 3; | |
408 | *denominator = 2; | |
409 | return 0; | |
64149deb | 410 | case SOC_MBUS_PACKING_VARIABLE: |
cc552b62 GL |
411 | *numerator = 0; |
412 | *denominator = 1; | |
64149deb | 413 | return 0; |
48a3c773 AP |
414 | } |
415 | return -EINVAL; | |
416 | } | |
417 | EXPORT_SYMBOL(soc_mbus_samples_per_pixel); | |
418 | ||
9a74251d GL |
419 | s32 soc_mbus_bytes_per_line(u32 width, const struct soc_mbus_pixelfmt *mf) |
420 | { | |
4e0e620c LP |
421 | if (mf->layout != SOC_MBUS_LAYOUT_PACKED) |
422 | return width * mf->bits_per_sample / 8; | |
423 | ||
9a74251d GL |
424 | switch (mf->packing) { |
425 | case SOC_MBUS_PACKING_NONE: | |
426 | return width * mf->bits_per_sample / 8; | |
427 | case SOC_MBUS_PACKING_2X8_PADHI: | |
428 | case SOC_MBUS_PACKING_2X8_PADLO: | |
429 | case SOC_MBUS_PACKING_EXTEND16: | |
430 | return width * 2; | |
cc552b62 GL |
431 | case SOC_MBUS_PACKING_1_5X8: |
432 | return width * 3 / 2; | |
64149deb KL |
433 | case SOC_MBUS_PACKING_VARIABLE: |
434 | return 0; | |
7b88fc08 PE |
435 | case SOC_MBUS_PACKING_EXTEND32: |
436 | return width * 4; | |
9a74251d GL |
437 | } |
438 | return -EINVAL; | |
439 | } | |
440 | EXPORT_SYMBOL(soc_mbus_bytes_per_line); | |
441 | ||
8929c963 LP |
442 | s32 soc_mbus_image_size(const struct soc_mbus_pixelfmt *mf, |
443 | u32 bytes_per_line, u32 height) | |
444 | { | |
445 | if (mf->layout == SOC_MBUS_LAYOUT_PACKED) | |
446 | return bytes_per_line * height; | |
447 | ||
448 | switch (mf->packing) { | |
449 | case SOC_MBUS_PACKING_2X8_PADHI: | |
450 | case SOC_MBUS_PACKING_2X8_PADLO: | |
451 | return bytes_per_line * height * 2; | |
452 | case SOC_MBUS_PACKING_1_5X8: | |
453 | return bytes_per_line * height * 3 / 2; | |
454 | default: | |
455 | return -EINVAL; | |
456 | } | |
457 | } | |
458 | EXPORT_SYMBOL(soc_mbus_image_size); | |
459 | ||
93f116d5 | 460 | const struct soc_mbus_pixelfmt *soc_mbus_find_fmtdesc( |
27ffaeb0 | 461 | u32 code, |
93f116d5 GL |
462 | const struct soc_mbus_lookup *lookup, |
463 | int n) | |
464 | { | |
465 | int i; | |
466 | ||
467 | for (i = 0; i < n; i++) | |
468 | if (lookup[i].code == code) | |
469 | return &lookup[i].fmt; | |
470 | ||
471 | return NULL; | |
472 | } | |
473 | EXPORT_SYMBOL(soc_mbus_find_fmtdesc); | |
474 | ||
9a74251d | 475 | const struct soc_mbus_pixelfmt *soc_mbus_get_fmtdesc( |
27ffaeb0 | 476 | u32 code) |
9a74251d | 477 | { |
93f116d5 | 478 | return soc_mbus_find_fmtdesc(code, mbus_fmt, ARRAY_SIZE(mbus_fmt)); |
9a74251d GL |
479 | } |
480 | EXPORT_SYMBOL(soc_mbus_get_fmtdesc); | |
481 | ||
32c69fcc GL |
482 | unsigned int soc_mbus_config_compatible(const struct v4l2_mbus_config *cfg, |
483 | unsigned int flags) | |
484 | { | |
485 | unsigned long common_flags; | |
486 | bool hsync = true, vsync = true, pclk, data, mode; | |
487 | bool mipi_lanes, mipi_clock; | |
488 | ||
489 | common_flags = cfg->flags & flags; | |
490 | ||
491 | switch (cfg->type) { | |
492 | case V4L2_MBUS_PARALLEL: | |
493 | hsync = common_flags & (V4L2_MBUS_HSYNC_ACTIVE_HIGH | | |
494 | V4L2_MBUS_HSYNC_ACTIVE_LOW); | |
495 | vsync = common_flags & (V4L2_MBUS_VSYNC_ACTIVE_HIGH | | |
496 | V4L2_MBUS_VSYNC_ACTIVE_LOW); | |
497 | case V4L2_MBUS_BT656: | |
498 | pclk = common_flags & (V4L2_MBUS_PCLK_SAMPLE_RISING | | |
499 | V4L2_MBUS_PCLK_SAMPLE_FALLING); | |
500 | data = common_flags & (V4L2_MBUS_DATA_ACTIVE_HIGH | | |
501 | V4L2_MBUS_DATA_ACTIVE_LOW); | |
502 | mode = common_flags & (V4L2_MBUS_MASTER | V4L2_MBUS_SLAVE); | |
503 | return (!hsync || !vsync || !pclk || !data || !mode) ? | |
504 | 0 : common_flags; | |
505 | case V4L2_MBUS_CSI2: | |
506 | mipi_lanes = common_flags & V4L2_MBUS_CSI2_LANES; | |
507 | mipi_clock = common_flags & (V4L2_MBUS_CSI2_NONCONTINUOUS_CLOCK | | |
508 | V4L2_MBUS_CSI2_CONTINUOUS_CLOCK); | |
509 | return (!mipi_lanes || !mipi_clock) ? 0 : common_flags; | |
510 | } | |
511 | return 0; | |
512 | } | |
513 | EXPORT_SYMBOL(soc_mbus_config_compatible); | |
514 | ||
9a74251d GL |
515 | static int __init soc_mbus_init(void) |
516 | { | |
517 | return 0; | |
518 | } | |
519 | ||
520 | static void __exit soc_mbus_exit(void) | |
521 | { | |
522 | } | |
523 | ||
524 | module_init(soc_mbus_init); | |
525 | module_exit(soc_mbus_exit); | |
526 | ||
527 | MODULE_DESCRIPTION("soc-camera media bus interface"); | |
528 | MODULE_AUTHOR("Guennadi Liakhovetski <g.liakhovetski@gmx.de>"); | |
529 | MODULE_LICENSE("GPL v2"); |