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2c3fb08b | 1 | /* linux/drivers/media/platform/s5p-jpeg/jpeg-core.c |
bb677f3a | 2 | * |
3246fdaa | 3 | * Copyright (c) 2011-2014 Samsung Electronics Co., Ltd. |
bb677f3a AP |
4 | * http://www.samsung.com |
5 | * | |
6 | * Author: Andrzej Pietrasiewicz <andrzej.p@samsung.com> | |
80529ae5 | 7 | * Author: Jacek Anaszewski <j.anaszewski@samsung.com> |
bb677f3a AP |
8 | * |
9 | * This program is free software; you can redistribute it and/or modify | |
10 | * it under the terms of the GNU General Public License version 2 as | |
11 | * published by the Free Software Foundation. | |
12 | */ | |
13 | ||
14 | #include <linux/clk.h> | |
15 | #include <linux/err.h> | |
16 | #include <linux/gfp.h> | |
17 | #include <linux/interrupt.h> | |
18 | #include <linux/io.h> | |
19 | #include <linux/kernel.h> | |
20 | #include <linux/module.h> | |
f7074ab3 | 21 | #include <linux/of.h> |
bb677f3a AP |
22 | #include <linux/platform_device.h> |
23 | #include <linux/pm_runtime.h> | |
24 | #include <linux/slab.h> | |
25 | #include <linux/spinlock.h> | |
26 | #include <linux/string.h> | |
27 | #include <media/v4l2-mem2mem.h> | |
28 | #include <media/v4l2-ioctl.h> | |
c139990e | 29 | #include <media/videobuf2-v4l2.h> |
bb677f3a AP |
30 | #include <media/videobuf2-dma-contig.h> |
31 | ||
32 | #include "jpeg-core.h" | |
9f7b62d9 | 33 | #include "jpeg-hw-s5p.h" |
80529ae5 | 34 | #include "jpeg-hw-exynos4.h" |
3246fdaa | 35 | #include "jpeg-hw-exynos3250.h" |
80529ae5 | 36 | #include "jpeg-regs.h" |
bb677f3a | 37 | |
80529ae5 | 38 | static struct s5p_jpeg_fmt sjpeg_formats[] = { |
bb677f3a | 39 | { |
fb6f8c02 AP |
40 | .name = "JPEG JFIF", |
41 | .fourcc = V4L2_PIX_FMT_JPEG, | |
80529ae5 JA |
42 | .flags = SJPEG_FMT_FLAG_ENC_CAPTURE | |
43 | SJPEG_FMT_FLAG_DEC_OUTPUT | | |
44 | SJPEG_FMT_FLAG_S5P | | |
3246fdaa | 45 | SJPEG_FMT_FLAG_EXYNOS3250 | |
80529ae5 JA |
46 | SJPEG_FMT_FLAG_EXYNOS4, |
47 | }, | |
48 | { | |
49 | .name = "YUV 4:2:2 packed, YCbYCr", | |
50 | .fourcc = V4L2_PIX_FMT_YUYV, | |
51 | .depth = 16, | |
fb6f8c02 | 52 | .colplanes = 1, |
80529ae5 JA |
53 | .h_align = 4, |
54 | .v_align = 3, | |
55 | .flags = SJPEG_FMT_FLAG_ENC_OUTPUT | | |
56 | SJPEG_FMT_FLAG_DEC_CAPTURE | | |
57 | SJPEG_FMT_FLAG_S5P | | |
58 | SJPEG_FMT_NON_RGB, | |
59 | .subsampling = V4L2_JPEG_CHROMA_SUBSAMPLING_422, | |
bb677f3a AP |
60 | }, |
61 | { | |
62 | .name = "YUV 4:2:2 packed, YCbYCr", | |
63 | .fourcc = V4L2_PIX_FMT_YUYV, | |
64 | .depth = 16, | |
65 | .colplanes = 1, | |
80529ae5 JA |
66 | .h_align = 1, |
67 | .v_align = 0, | |
68 | .flags = SJPEG_FMT_FLAG_ENC_OUTPUT | | |
69 | SJPEG_FMT_FLAG_DEC_CAPTURE | | |
70 | SJPEG_FMT_FLAG_EXYNOS4 | | |
71 | SJPEG_FMT_NON_RGB, | |
72 | .subsampling = V4L2_JPEG_CHROMA_SUBSAMPLING_422, | |
73 | }, | |
3246fdaa JA |
74 | { |
75 | .name = "YUV 4:2:2 packed, YCbYCr", | |
76 | .fourcc = V4L2_PIX_FMT_YUYV, | |
77 | .depth = 16, | |
78 | .colplanes = 1, | |
79 | .h_align = 2, | |
80 | .v_align = 0, | |
81 | .flags = SJPEG_FMT_FLAG_ENC_OUTPUT | | |
82 | SJPEG_FMT_FLAG_DEC_CAPTURE | | |
83 | SJPEG_FMT_FLAG_EXYNOS3250 | | |
84 | SJPEG_FMT_NON_RGB, | |
85 | .subsampling = V4L2_JPEG_CHROMA_SUBSAMPLING_422, | |
86 | }, | |
80529ae5 JA |
87 | { |
88 | .name = "YUV 4:2:2 packed, YCrYCb", | |
89 | .fourcc = V4L2_PIX_FMT_YVYU, | |
90 | .depth = 16, | |
91 | .colplanes = 1, | |
92 | .h_align = 1, | |
93 | .v_align = 0, | |
94 | .flags = SJPEG_FMT_FLAG_ENC_OUTPUT | | |
95 | SJPEG_FMT_FLAG_DEC_CAPTURE | | |
96 | SJPEG_FMT_FLAG_EXYNOS4 | | |
97 | SJPEG_FMT_NON_RGB, | |
98 | .subsampling = V4L2_JPEG_CHROMA_SUBSAMPLING_422, | |
bb677f3a | 99 | }, |
3246fdaa JA |
100 | { |
101 | .name = "YUV 4:2:2 packed, YCrYCb", | |
102 | .fourcc = V4L2_PIX_FMT_YVYU, | |
103 | .depth = 16, | |
104 | .colplanes = 1, | |
105 | .h_align = 2, | |
106 | .v_align = 0, | |
107 | .flags = SJPEG_FMT_FLAG_ENC_OUTPUT | | |
108 | SJPEG_FMT_FLAG_DEC_CAPTURE | | |
109 | SJPEG_FMT_FLAG_EXYNOS3250 | | |
110 | SJPEG_FMT_NON_RGB, | |
111 | .subsampling = V4L2_JPEG_CHROMA_SUBSAMPLING_422, | |
112 | }, | |
113 | { | |
114 | .name = "YUV 4:2:2 packed, YCrYCb", | |
115 | .fourcc = V4L2_PIX_FMT_UYVY, | |
116 | .depth = 16, | |
117 | .colplanes = 1, | |
118 | .h_align = 2, | |
119 | .v_align = 0, | |
120 | .flags = SJPEG_FMT_FLAG_ENC_OUTPUT | | |
121 | SJPEG_FMT_FLAG_DEC_CAPTURE | | |
122 | SJPEG_FMT_FLAG_EXYNOS3250 | | |
123 | SJPEG_FMT_NON_RGB, | |
124 | .subsampling = V4L2_JPEG_CHROMA_SUBSAMPLING_422, | |
125 | }, | |
126 | { | |
127 | .name = "YUV 4:2:2 packed, YCrYCb", | |
128 | .fourcc = V4L2_PIX_FMT_VYUY, | |
129 | .depth = 16, | |
130 | .colplanes = 1, | |
131 | .h_align = 2, | |
132 | .v_align = 0, | |
133 | .flags = SJPEG_FMT_FLAG_ENC_OUTPUT | | |
134 | SJPEG_FMT_FLAG_DEC_CAPTURE | | |
135 | SJPEG_FMT_FLAG_EXYNOS3250 | | |
136 | SJPEG_FMT_NON_RGB, | |
137 | .subsampling = V4L2_JPEG_CHROMA_SUBSAMPLING_422, | |
138 | }, | |
bb677f3a AP |
139 | { |
140 | .name = "RGB565", | |
141 | .fourcc = V4L2_PIX_FMT_RGB565, | |
142 | .depth = 16, | |
143 | .colplanes = 1, | |
80529ae5 JA |
144 | .h_align = 0, |
145 | .v_align = 0, | |
146 | .flags = SJPEG_FMT_FLAG_ENC_OUTPUT | | |
147 | SJPEG_FMT_FLAG_DEC_CAPTURE | | |
148 | SJPEG_FMT_FLAG_EXYNOS4 | | |
149 | SJPEG_FMT_RGB, | |
150 | .subsampling = V4L2_JPEG_CHROMA_SUBSAMPLING_444, | |
151 | }, | |
3246fdaa JA |
152 | { |
153 | .name = "RGB565", | |
154 | .fourcc = V4L2_PIX_FMT_RGB565, | |
155 | .depth = 16, | |
156 | .colplanes = 1, | |
157 | .h_align = 2, | |
158 | .v_align = 0, | |
159 | .flags = SJPEG_FMT_FLAG_ENC_OUTPUT | | |
160 | SJPEG_FMT_FLAG_DEC_CAPTURE | | |
161 | SJPEG_FMT_FLAG_EXYNOS3250 | | |
162 | SJPEG_FMT_RGB, | |
163 | .subsampling = V4L2_JPEG_CHROMA_SUBSAMPLING_444, | |
164 | }, | |
165 | { | |
166 | .name = "RGB565X", | |
167 | .fourcc = V4L2_PIX_FMT_RGB565X, | |
168 | .depth = 16, | |
169 | .colplanes = 1, | |
170 | .h_align = 2, | |
171 | .v_align = 0, | |
172 | .flags = SJPEG_FMT_FLAG_ENC_OUTPUT | | |
173 | SJPEG_FMT_FLAG_DEC_CAPTURE | | |
174 | SJPEG_FMT_FLAG_EXYNOS3250 | | |
175 | SJPEG_FMT_RGB, | |
176 | .subsampling = V4L2_JPEG_CHROMA_SUBSAMPLING_444, | |
177 | }, | |
80529ae5 JA |
178 | { |
179 | .name = "RGB565", | |
180 | .fourcc = V4L2_PIX_FMT_RGB565, | |
181 | .depth = 16, | |
182 | .colplanes = 1, | |
183 | .h_align = 0, | |
184 | .v_align = 0, | |
185 | .flags = SJPEG_FMT_FLAG_ENC_OUTPUT | | |
186 | SJPEG_FMT_FLAG_S5P | | |
187 | SJPEG_FMT_RGB, | |
188 | .subsampling = V4L2_JPEG_CHROMA_SUBSAMPLING_444, | |
189 | }, | |
190 | { | |
191 | .name = "ARGB8888, 32 bpp", | |
192 | .fourcc = V4L2_PIX_FMT_RGB32, | |
193 | .depth = 32, | |
194 | .colplanes = 1, | |
195 | .h_align = 0, | |
196 | .v_align = 0, | |
197 | .flags = SJPEG_FMT_FLAG_ENC_OUTPUT | | |
198 | SJPEG_FMT_FLAG_DEC_CAPTURE | | |
199 | SJPEG_FMT_FLAG_EXYNOS4 | | |
200 | SJPEG_FMT_RGB, | |
201 | .subsampling = V4L2_JPEG_CHROMA_SUBSAMPLING_444, | |
202 | }, | |
3246fdaa JA |
203 | { |
204 | .name = "ARGB8888, 32 bpp", | |
205 | .fourcc = V4L2_PIX_FMT_RGB32, | |
206 | .depth = 32, | |
207 | .colplanes = 1, | |
208 | .h_align = 2, | |
209 | .v_align = 0, | |
210 | .flags = SJPEG_FMT_FLAG_ENC_OUTPUT | | |
211 | SJPEG_FMT_FLAG_DEC_CAPTURE | | |
212 | SJPEG_FMT_FLAG_EXYNOS3250 | | |
213 | SJPEG_FMT_RGB, | |
214 | .subsampling = V4L2_JPEG_CHROMA_SUBSAMPLING_444, | |
215 | }, | |
80529ae5 JA |
216 | { |
217 | .name = "YUV 4:4:4 planar, Y/CbCr", | |
218 | .fourcc = V4L2_PIX_FMT_NV24, | |
219 | .depth = 24, | |
220 | .colplanes = 2, | |
221 | .h_align = 0, | |
222 | .v_align = 0, | |
223 | .flags = SJPEG_FMT_FLAG_ENC_OUTPUT | | |
224 | SJPEG_FMT_FLAG_DEC_CAPTURE | | |
225 | SJPEG_FMT_FLAG_EXYNOS4 | | |
226 | SJPEG_FMT_NON_RGB, | |
227 | .subsampling = V4L2_JPEG_CHROMA_SUBSAMPLING_444, | |
228 | }, | |
229 | { | |
230 | .name = "YUV 4:4:4 planar, Y/CrCb", | |
231 | .fourcc = V4L2_PIX_FMT_NV42, | |
232 | .depth = 24, | |
233 | .colplanes = 2, | |
234 | .h_align = 0, | |
235 | .v_align = 0, | |
236 | .flags = SJPEG_FMT_FLAG_ENC_OUTPUT | | |
237 | SJPEG_FMT_FLAG_DEC_CAPTURE | | |
238 | SJPEG_FMT_FLAG_EXYNOS4 | | |
239 | SJPEG_FMT_NON_RGB, | |
240 | .subsampling = V4L2_JPEG_CHROMA_SUBSAMPLING_444, | |
241 | }, | |
242 | { | |
243 | .name = "YUV 4:2:2 planar, Y/CrCb", | |
244 | .fourcc = V4L2_PIX_FMT_NV61, | |
245 | .depth = 16, | |
246 | .colplanes = 2, | |
247 | .h_align = 1, | |
248 | .v_align = 0, | |
249 | .flags = SJPEG_FMT_FLAG_ENC_OUTPUT | | |
250 | SJPEG_FMT_FLAG_DEC_CAPTURE | | |
251 | SJPEG_FMT_FLAG_EXYNOS4 | | |
252 | SJPEG_FMT_NON_RGB, | |
253 | .subsampling = V4L2_JPEG_CHROMA_SUBSAMPLING_422, | |
bb677f3a | 254 | }, |
bb677f3a | 255 | { |
80529ae5 JA |
256 | .name = "YUV 4:2:2 planar, Y/CbCr", |
257 | .fourcc = V4L2_PIX_FMT_NV16, | |
258 | .depth = 16, | |
259 | .colplanes = 2, | |
260 | .h_align = 1, | |
261 | .v_align = 0, | |
262 | .flags = SJPEG_FMT_FLAG_ENC_OUTPUT | | |
263 | SJPEG_FMT_FLAG_DEC_CAPTURE | | |
264 | SJPEG_FMT_FLAG_EXYNOS4 | | |
265 | SJPEG_FMT_NON_RGB, | |
266 | .subsampling = V4L2_JPEG_CHROMA_SUBSAMPLING_422, | |
267 | }, | |
268 | { | |
269 | .name = "YUV 4:2:0 planar, Y/CbCr", | |
c97ba28b | 270 | .fourcc = V4L2_PIX_FMT_NV12, |
a62cffef | 271 | .depth = 12, |
80529ae5 JA |
272 | .colplanes = 2, |
273 | .h_align = 1, | |
274 | .v_align = 1, | |
275 | .flags = SJPEG_FMT_FLAG_ENC_OUTPUT | | |
276 | SJPEG_FMT_FLAG_DEC_CAPTURE | | |
277 | SJPEG_FMT_FLAG_EXYNOS4 | | |
278 | SJPEG_FMT_NON_RGB, | |
279 | .subsampling = V4L2_JPEG_CHROMA_SUBSAMPLING_420, | |
bb677f3a | 280 | }, |
3246fdaa JA |
281 | { |
282 | .name = "YUV 4:2:0 planar, Y/CbCr", | |
283 | .fourcc = V4L2_PIX_FMT_NV12, | |
284 | .depth = 12, | |
285 | .colplanes = 2, | |
286 | .h_align = 3, | |
287 | .v_align = 3, | |
288 | .flags = SJPEG_FMT_FLAG_ENC_OUTPUT | | |
289 | SJPEG_FMT_FLAG_DEC_CAPTURE | | |
290 | SJPEG_FMT_FLAG_EXYNOS3250 | | |
291 | SJPEG_FMT_NON_RGB, | |
292 | .subsampling = V4L2_JPEG_CHROMA_SUBSAMPLING_420, | |
293 | }, | |
bb677f3a | 294 | { |
80529ae5 JA |
295 | .name = "YUV 4:2:0 planar, Y/CbCr", |
296 | .fourcc = V4L2_PIX_FMT_NV12, | |
a62cffef JA |
297 | .depth = 12, |
298 | .colplanes = 2, | |
bb677f3a | 299 | .h_align = 4, |
a62cffef | 300 | .v_align = 4, |
3246fdaa JA |
301 | .flags = SJPEG_FMT_FLAG_ENC_OUTPUT | |
302 | SJPEG_FMT_FLAG_DEC_CAPTURE | | |
80529ae5 JA |
303 | SJPEG_FMT_FLAG_S5P | |
304 | SJPEG_FMT_NON_RGB, | |
305 | .subsampling = V4L2_JPEG_CHROMA_SUBSAMPLING_420, | |
bb677f3a | 306 | }, |
3246fdaa JA |
307 | { |
308 | .name = "YUV 4:2:0 planar, Y/CrCb", | |
309 | .fourcc = V4L2_PIX_FMT_NV21, | |
310 | .depth = 12, | |
311 | .colplanes = 2, | |
312 | .h_align = 3, | |
313 | .v_align = 3, | |
314 | .flags = SJPEG_FMT_FLAG_ENC_OUTPUT | | |
315 | SJPEG_FMT_FLAG_DEC_CAPTURE | | |
316 | SJPEG_FMT_FLAG_EXYNOS3250 | | |
317 | SJPEG_FMT_NON_RGB, | |
318 | .subsampling = V4L2_JPEG_CHROMA_SUBSAMPLING_420, | |
319 | }, | |
bb677f3a | 320 | { |
80529ae5 JA |
321 | .name = "YUV 4:2:0 planar, Y/CrCb", |
322 | .fourcc = V4L2_PIX_FMT_NV21, | |
323 | .depth = 12, | |
324 | .colplanes = 2, | |
325 | .h_align = 1, | |
326 | .v_align = 1, | |
327 | .flags = SJPEG_FMT_FLAG_ENC_OUTPUT | | |
328 | SJPEG_FMT_FLAG_DEC_CAPTURE | | |
3246fdaa | 329 | SJPEG_FMT_FLAG_EXYNOS3250 | |
80529ae5 JA |
330 | SJPEG_FMT_FLAG_EXYNOS4 | |
331 | SJPEG_FMT_NON_RGB, | |
332 | .subsampling = V4L2_JPEG_CHROMA_SUBSAMPLING_420, | |
333 | }, | |
334 | { | |
335 | .name = "YUV 4:2:0 contiguous 3-planar, Y/Cb/Cr", | |
336 | .fourcc = V4L2_PIX_FMT_YUV420, | |
337 | .depth = 12, | |
338 | .colplanes = 3, | |
339 | .h_align = 1, | |
340 | .v_align = 1, | |
341 | .flags = SJPEG_FMT_FLAG_ENC_OUTPUT | | |
342 | SJPEG_FMT_FLAG_DEC_CAPTURE | | |
343 | SJPEG_FMT_FLAG_EXYNOS4 | | |
344 | SJPEG_FMT_NON_RGB, | |
345 | .subsampling = V4L2_JPEG_CHROMA_SUBSAMPLING_420, | |
346 | }, | |
3246fdaa JA |
347 | { |
348 | .name = "YUV 4:2:0 contiguous 3-planar, Y/Cb/Cr", | |
349 | .fourcc = V4L2_PIX_FMT_YUV420, | |
350 | .depth = 12, | |
351 | .colplanes = 3, | |
352 | .h_align = 4, | |
353 | .v_align = 4, | |
354 | .flags = SJPEG_FMT_FLAG_ENC_OUTPUT | | |
355 | SJPEG_FMT_FLAG_DEC_CAPTURE | | |
356 | SJPEG_FMT_FLAG_EXYNOS3250 | | |
357 | SJPEG_FMT_NON_RGB, | |
358 | .subsampling = V4L2_JPEG_CHROMA_SUBSAMPLING_420, | |
359 | }, | |
80529ae5 JA |
360 | { |
361 | .name = "Gray", | |
362 | .fourcc = V4L2_PIX_FMT_GREY, | |
363 | .depth = 8, | |
bb677f3a | 364 | .colplanes = 1, |
80529ae5 JA |
365 | .flags = SJPEG_FMT_FLAG_ENC_OUTPUT | |
366 | SJPEG_FMT_FLAG_DEC_CAPTURE | | |
367 | SJPEG_FMT_FLAG_EXYNOS4 | | |
368 | SJPEG_FMT_NON_RGB, | |
369 | .subsampling = V4L2_JPEG_CHROMA_SUBSAMPLING_GRAY, | |
bb677f3a AP |
370 | }, |
371 | }; | |
80529ae5 | 372 | #define SJPEG_NUM_FORMATS ARRAY_SIZE(sjpeg_formats) |
bb677f3a AP |
373 | |
374 | static const unsigned char qtbl_luminance[4][64] = { | |
78e5a3ce JA |
375 | {/*level 0 - high compression quality */ |
376 | 20, 16, 25, 39, 50, 46, 62, 68, | |
377 | 16, 18, 23, 38, 38, 53, 65, 68, | |
378 | 25, 23, 31, 38, 53, 65, 68, 68, | |
379 | 39, 38, 38, 53, 65, 68, 68, 68, | |
380 | 50, 38, 53, 65, 68, 68, 68, 68, | |
381 | 46, 53, 65, 68, 68, 68, 68, 68, | |
382 | 62, 65, 68, 68, 68, 68, 68, 68, | |
383 | 68, 68, 68, 68, 68, 68, 68, 68 | |
384 | }, | |
385 | {/* level 1 */ | |
386 | 16, 11, 11, 16, 23, 27, 31, 30, | |
387 | 11, 12, 12, 15, 20, 23, 23, 30, | |
388 | 11, 12, 13, 16, 23, 26, 35, 47, | |
389 | 16, 15, 16, 23, 26, 37, 47, 64, | |
390 | 23, 20, 23, 26, 39, 51, 64, 64, | |
391 | 27, 23, 26, 37, 51, 64, 64, 64, | |
392 | 31, 23, 35, 47, 64, 64, 64, 64, | |
393 | 30, 30, 47, 64, 64, 64, 64, 64 | |
bb677f3a AP |
394 | }, |
395 | {/* level 2 */ | |
396 | 12, 8, 8, 12, 17, 21, 24, 23, | |
397 | 8, 9, 9, 11, 15, 19, 18, 23, | |
398 | 8, 9, 10, 12, 19, 20, 27, 36, | |
399 | 12, 11, 12, 21, 20, 28, 36, 53, | |
400 | 17, 15, 19, 20, 30, 39, 51, 59, | |
401 | 21, 19, 20, 28, 39, 51, 59, 59, | |
402 | 24, 18, 27, 36, 51, 59, 59, 59, | |
403 | 23, 23, 36, 53, 59, 59, 59, 59 | |
404 | }, | |
78e5a3ce JA |
405 | {/* level 3 - low compression quality */ |
406 | 8, 6, 6, 8, 12, 14, 16, 17, | |
407 | 6, 6, 6, 8, 10, 13, 12, 15, | |
408 | 6, 6, 7, 8, 13, 14, 18, 24, | |
409 | 8, 8, 8, 14, 13, 19, 24, 35, | |
410 | 12, 10, 13, 13, 20, 26, 34, 39, | |
411 | 14, 13, 14, 19, 26, 34, 39, 39, | |
412 | 16, 12, 18, 24, 34, 39, 39, 39, | |
413 | 17, 15, 24, 35, 39, 39, 39, 39 | |
bb677f3a AP |
414 | } |
415 | }; | |
416 | ||
417 | static const unsigned char qtbl_chrominance[4][64] = { | |
78e5a3ce JA |
418 | {/*level 0 - high compression quality */ |
419 | 21, 25, 32, 38, 54, 68, 68, 68, | |
420 | 25, 28, 24, 38, 54, 68, 68, 68, | |
421 | 32, 24, 32, 43, 66, 68, 68, 68, | |
422 | 38, 38, 43, 53, 68, 68, 68, 68, | |
423 | 54, 54, 66, 68, 68, 68, 68, 68, | |
424 | 68, 68, 68, 68, 68, 68, 68, 68, | |
425 | 68, 68, 68, 68, 68, 68, 68, 68, | |
426 | 68, 68, 68, 68, 68, 68, 68, 68 | |
427 | }, | |
428 | {/* level 1 */ | |
429 | 17, 15, 17, 21, 20, 26, 38, 48, | |
430 | 15, 19, 18, 17, 20, 26, 35, 43, | |
431 | 17, 18, 20, 22, 26, 30, 46, 53, | |
432 | 21, 17, 22, 28, 30, 39, 53, 64, | |
433 | 20, 20, 26, 30, 39, 48, 64, 64, | |
434 | 26, 26, 30, 39, 48, 63, 64, 64, | |
435 | 38, 35, 46, 53, 64, 64, 64, 64, | |
436 | 48, 43, 53, 64, 64, 64, 64, 64 | |
bb677f3a AP |
437 | }, |
438 | {/* level 2 */ | |
439 | 13, 11, 13, 16, 20, 20, 29, 37, | |
440 | 11, 14, 14, 14, 16, 20, 26, 32, | |
441 | 13, 14, 15, 17, 20, 23, 35, 40, | |
442 | 16, 14, 17, 21, 23, 30, 40, 50, | |
443 | 20, 16, 20, 23, 30, 37, 50, 59, | |
444 | 20, 20, 23, 30, 37, 48, 59, 59, | |
445 | 29, 26, 35, 40, 50, 59, 59, 59, | |
446 | 37, 32, 40, 50, 59, 59, 59, 59 | |
447 | }, | |
78e5a3ce JA |
448 | {/* level 3 - low compression quality */ |
449 | 9, 8, 9, 11, 14, 17, 19, 24, | |
450 | 8, 10, 9, 11, 14, 13, 17, 22, | |
451 | 9, 9, 13, 14, 13, 15, 23, 26, | |
452 | 11, 11, 14, 14, 15, 20, 26, 33, | |
453 | 14, 14, 13, 15, 20, 24, 33, 39, | |
454 | 17, 13, 15, 20, 24, 32, 39, 39, | |
455 | 19, 17, 23, 26, 33, 39, 39, 39, | |
456 | 24, 22, 26, 33, 39, 39, 39, 39 | |
bb677f3a AP |
457 | } |
458 | }; | |
459 | ||
460 | static const unsigned char hdctbl0[16] = { | |
461 | 0, 1, 5, 1, 1, 1, 1, 1, 1, 0, 0, 0, 0, 0, 0, 0 | |
462 | }; | |
463 | ||
464 | static const unsigned char hdctblg0[12] = { | |
465 | 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 0xa, 0xb | |
466 | }; | |
467 | static const unsigned char hactbl0[16] = { | |
468 | 0, 2, 1, 3, 3, 2, 4, 3, 5, 5, 4, 4, 0, 0, 1, 0x7d | |
469 | }; | |
470 | static const unsigned char hactblg0[162] = { | |
471 | 0x01, 0x02, 0x03, 0x00, 0x04, 0x11, 0x05, 0x12, | |
472 | 0x21, 0x31, 0x41, 0x06, 0x13, 0x51, 0x61, 0x07, | |
473 | 0x22, 0x71, 0x14, 0x32, 0x81, 0x91, 0xa1, 0x08, | |
474 | 0x23, 0x42, 0xb1, 0xc1, 0x15, 0x52, 0xd1, 0xf0, | |
475 | 0x24, 0x33, 0x62, 0x72, 0x82, 0x09, 0x0a, 0x16, | |
476 | 0x17, 0x18, 0x19, 0x1a, 0x25, 0x26, 0x27, 0x28, | |
477 | 0x29, 0x2a, 0x34, 0x35, 0x36, 0x37, 0x38, 0x39, | |
478 | 0x3a, 0x43, 0x44, 0x45, 0x46, 0x47, 0x48, 0x49, | |
479 | 0x4a, 0x53, 0x54, 0x55, 0x56, 0x57, 0x58, 0x59, | |
480 | 0x5a, 0x63, 0x64, 0x65, 0x66, 0x67, 0x68, 0x69, | |
481 | 0x6a, 0x73, 0x74, 0x75, 0x76, 0x77, 0x78, 0x79, | |
482 | 0x7a, 0x83, 0x84, 0x85, 0x86, 0x87, 0x88, 0x89, | |
483 | 0x8a, 0x92, 0x93, 0x94, 0x95, 0x96, 0x97, 0x98, | |
484 | 0x99, 0x9a, 0xa2, 0xa3, 0xa4, 0xa5, 0xa6, 0xa7, | |
485 | 0xa8, 0xa9, 0xaa, 0xb2, 0xb3, 0xb4, 0xb5, 0xb6, | |
486 | 0xb7, 0xb8, 0xb9, 0xba, 0xc2, 0xc3, 0xc4, 0xc5, | |
487 | 0xc6, 0xc7, 0xc8, 0xc9, 0xca, 0xd2, 0xd3, 0xd4, | |
488 | 0xd5, 0xd6, 0xd7, 0xd8, 0xd9, 0xda, 0xe1, 0xe2, | |
489 | 0xe3, 0xe4, 0xe5, 0xe6, 0xe7, 0xe8, 0xe9, 0xea, | |
490 | 0xf1, 0xf2, 0xf3, 0xf4, 0xf5, 0xf6, 0xf7, 0xf8, | |
491 | 0xf9, 0xfa | |
492 | }; | |
493 | ||
337777a4 JA |
494 | /* |
495 | * Fourcc downgrade schema lookup tables for 422 and 420 | |
496 | * chroma subsampling - fourcc on each position maps on the | |
497 | * fourcc from the table fourcc_to_dwngrd_schema_id which allows | |
498 | * to get the most suitable fourcc counterpart for the given | |
499 | * downgraded subsampling property. | |
500 | */ | |
501 | static const u32 subs422_fourcc_dwngrd_schema[] = { | |
502 | V4L2_PIX_FMT_NV16, | |
503 | V4L2_PIX_FMT_NV61, | |
504 | }; | |
505 | ||
506 | static const u32 subs420_fourcc_dwngrd_schema[] = { | |
507 | V4L2_PIX_FMT_NV12, | |
508 | V4L2_PIX_FMT_NV21, | |
509 | V4L2_PIX_FMT_NV12, | |
510 | V4L2_PIX_FMT_NV21, | |
511 | V4L2_PIX_FMT_NV12, | |
512 | V4L2_PIX_FMT_NV21, | |
513 | V4L2_PIX_FMT_GREY, | |
514 | V4L2_PIX_FMT_GREY, | |
515 | V4L2_PIX_FMT_GREY, | |
516 | V4L2_PIX_FMT_GREY, | |
517 | }; | |
518 | ||
519 | /* | |
520 | * Lookup table for translation of a fourcc to the position | |
521 | * of its downgraded counterpart in the *fourcc_dwngrd_schema | |
522 | * tables. | |
523 | */ | |
524 | static const u32 fourcc_to_dwngrd_schema_id[] = { | |
525 | V4L2_PIX_FMT_NV24, | |
526 | V4L2_PIX_FMT_NV42, | |
527 | V4L2_PIX_FMT_NV16, | |
528 | V4L2_PIX_FMT_NV61, | |
529 | V4L2_PIX_FMT_YUYV, | |
530 | V4L2_PIX_FMT_YVYU, | |
531 | V4L2_PIX_FMT_NV12, | |
532 | V4L2_PIX_FMT_NV21, | |
533 | V4L2_PIX_FMT_YUV420, | |
534 | V4L2_PIX_FMT_GREY, | |
535 | }; | |
536 | ||
537 | static int s5p_jpeg_get_dwngrd_sch_id_by_fourcc(u32 fourcc) | |
538 | { | |
539 | int i; | |
540 | for (i = 0; i < ARRAY_SIZE(fourcc_to_dwngrd_schema_id); ++i) { | |
541 | if (fourcc_to_dwngrd_schema_id[i] == fourcc) | |
542 | return i; | |
543 | } | |
544 | ||
545 | return -EINVAL; | |
546 | } | |
547 | ||
548 | static int s5p_jpeg_adjust_fourcc_to_subsampling( | |
549 | enum v4l2_jpeg_chroma_subsampling subs, | |
550 | u32 in_fourcc, | |
551 | u32 *out_fourcc, | |
552 | struct s5p_jpeg_ctx *ctx) | |
553 | { | |
554 | int dwngrd_sch_id; | |
555 | ||
556 | if (ctx->subsampling != V4L2_JPEG_CHROMA_SUBSAMPLING_GRAY) { | |
557 | dwngrd_sch_id = | |
558 | s5p_jpeg_get_dwngrd_sch_id_by_fourcc(in_fourcc); | |
559 | if (dwngrd_sch_id < 0) | |
560 | return -EINVAL; | |
561 | } | |
562 | ||
563 | switch (ctx->subsampling) { | |
564 | case V4L2_JPEG_CHROMA_SUBSAMPLING_GRAY: | |
565 | *out_fourcc = V4L2_PIX_FMT_GREY; | |
566 | break; | |
567 | case V4L2_JPEG_CHROMA_SUBSAMPLING_420: | |
568 | if (dwngrd_sch_id > | |
569 | ARRAY_SIZE(subs420_fourcc_dwngrd_schema) - 1) | |
570 | return -EINVAL; | |
571 | *out_fourcc = subs420_fourcc_dwngrd_schema[dwngrd_sch_id]; | |
572 | break; | |
573 | case V4L2_JPEG_CHROMA_SUBSAMPLING_422: | |
574 | if (dwngrd_sch_id > | |
575 | ARRAY_SIZE(subs422_fourcc_dwngrd_schema) - 1) | |
576 | return -EINVAL; | |
577 | *out_fourcc = subs422_fourcc_dwngrd_schema[dwngrd_sch_id]; | |
578 | break; | |
579 | default: | |
580 | *out_fourcc = V4L2_PIX_FMT_GREY; | |
581 | break; | |
582 | } | |
583 | ||
584 | return 0; | |
585 | } | |
586 | ||
303b0a96 JA |
587 | static int exynos4x12_decoded_subsampling[] = { |
588 | V4L2_JPEG_CHROMA_SUBSAMPLING_GRAY, | |
589 | V4L2_JPEG_CHROMA_SUBSAMPLING_444, | |
590 | V4L2_JPEG_CHROMA_SUBSAMPLING_422, | |
591 | V4L2_JPEG_CHROMA_SUBSAMPLING_420, | |
592 | }; | |
593 | ||
3246fdaa JA |
594 | static int exynos3250_decoded_subsampling[] = { |
595 | V4L2_JPEG_CHROMA_SUBSAMPLING_444, | |
596 | V4L2_JPEG_CHROMA_SUBSAMPLING_422, | |
597 | V4L2_JPEG_CHROMA_SUBSAMPLING_420, | |
598 | V4L2_JPEG_CHROMA_SUBSAMPLING_GRAY, | |
599 | -1, | |
600 | -1, | |
601 | V4L2_JPEG_CHROMA_SUBSAMPLING_411, | |
602 | }; | |
603 | ||
15f4bc3b SN |
604 | static inline struct s5p_jpeg_ctx *ctrl_to_ctx(struct v4l2_ctrl *c) |
605 | { | |
606 | return container_of(c->handler, struct s5p_jpeg_ctx, ctrl_handler); | |
607 | } | |
608 | ||
275de24d SN |
609 | static inline struct s5p_jpeg_ctx *fh_to_ctx(struct v4l2_fh *fh) |
610 | { | |
611 | return container_of(fh, struct s5p_jpeg_ctx, fh); | |
612 | } | |
613 | ||
303b0a96 JA |
614 | static int s5p_jpeg_to_user_subsampling(struct s5p_jpeg_ctx *ctx) |
615 | { | |
616 | WARN_ON(ctx->subsampling > 3); | |
617 | ||
3246fdaa JA |
618 | switch (ctx->jpeg->variant->version) { |
619 | case SJPEG_S5P: | |
303b0a96 JA |
620 | if (ctx->subsampling > 2) |
621 | return V4L2_JPEG_CHROMA_SUBSAMPLING_GRAY; | |
622 | return ctx->subsampling; | |
3246fdaa | 623 | case SJPEG_EXYNOS3250: |
7c15fd4b | 624 | case SJPEG_EXYNOS5420: |
3246fdaa JA |
625 | if (ctx->subsampling > 3) |
626 | return V4L2_JPEG_CHROMA_SUBSAMPLING_411; | |
627 | return exynos3250_decoded_subsampling[ctx->subsampling]; | |
628 | case SJPEG_EXYNOS4: | |
6c96dbbc | 629 | case SJPEG_EXYNOS5433: |
303b0a96 JA |
630 | if (ctx->subsampling > 2) |
631 | return V4L2_JPEG_CHROMA_SUBSAMPLING_420; | |
632 | return exynos4x12_decoded_subsampling[ctx->subsampling]; | |
3246fdaa JA |
633 | default: |
634 | return V4L2_JPEG_CHROMA_SUBSAMPLING_GRAY; | |
303b0a96 JA |
635 | } |
636 | } | |
637 | ||
31dc0ac0 JA |
638 | static inline void s5p_jpeg_set_qtbl(void __iomem *regs, |
639 | const unsigned char *qtbl, | |
640 | unsigned long tab, int len) | |
bb677f3a AP |
641 | { |
642 | int i; | |
643 | ||
644 | for (i = 0; i < len; i++) | |
645 | writel((unsigned int)qtbl[i], regs + tab + (i * 0x04)); | |
646 | } | |
647 | ||
31dc0ac0 | 648 | static inline void s5p_jpeg_set_qtbl_lum(void __iomem *regs, int quality) |
bb677f3a AP |
649 | { |
650 | /* this driver fills quantisation table 0 with data for luma */ | |
31dc0ac0 JA |
651 | s5p_jpeg_set_qtbl(regs, qtbl_luminance[quality], |
652 | S5P_JPG_QTBL_CONTENT(0), | |
653 | ARRAY_SIZE(qtbl_luminance[quality])); | |
bb677f3a AP |
654 | } |
655 | ||
31dc0ac0 | 656 | static inline void s5p_jpeg_set_qtbl_chr(void __iomem *regs, int quality) |
bb677f3a AP |
657 | { |
658 | /* this driver fills quantisation table 1 with data for chroma */ | |
31dc0ac0 JA |
659 | s5p_jpeg_set_qtbl(regs, qtbl_chrominance[quality], |
660 | S5P_JPG_QTBL_CONTENT(1), | |
661 | ARRAY_SIZE(qtbl_chrominance[quality])); | |
bb677f3a AP |
662 | } |
663 | ||
31dc0ac0 JA |
664 | static inline void s5p_jpeg_set_htbl(void __iomem *regs, |
665 | const unsigned char *htbl, | |
666 | unsigned long tab, int len) | |
bb677f3a AP |
667 | { |
668 | int i; | |
669 | ||
670 | for (i = 0; i < len; i++) | |
671 | writel((unsigned int)htbl[i], regs + tab + (i * 0x04)); | |
672 | } | |
673 | ||
31dc0ac0 | 674 | static inline void s5p_jpeg_set_hdctbl(void __iomem *regs) |
bb677f3a AP |
675 | { |
676 | /* this driver fills table 0 for this component */ | |
31dc0ac0 JA |
677 | s5p_jpeg_set_htbl(regs, hdctbl0, S5P_JPG_HDCTBL(0), |
678 | ARRAY_SIZE(hdctbl0)); | |
bb677f3a AP |
679 | } |
680 | ||
31dc0ac0 | 681 | static inline void s5p_jpeg_set_hdctblg(void __iomem *regs) |
bb677f3a AP |
682 | { |
683 | /* this driver fills table 0 for this component */ | |
31dc0ac0 JA |
684 | s5p_jpeg_set_htbl(regs, hdctblg0, S5P_JPG_HDCTBLG(0), |
685 | ARRAY_SIZE(hdctblg0)); | |
bb677f3a AP |
686 | } |
687 | ||
31dc0ac0 | 688 | static inline void s5p_jpeg_set_hactbl(void __iomem *regs) |
bb677f3a AP |
689 | { |
690 | /* this driver fills table 0 for this component */ | |
31dc0ac0 JA |
691 | s5p_jpeg_set_htbl(regs, hactbl0, S5P_JPG_HACTBL(0), |
692 | ARRAY_SIZE(hactbl0)); | |
bb677f3a AP |
693 | } |
694 | ||
31dc0ac0 | 695 | static inline void s5p_jpeg_set_hactblg(void __iomem *regs) |
bb677f3a AP |
696 | { |
697 | /* this driver fills table 0 for this component */ | |
31dc0ac0 JA |
698 | s5p_jpeg_set_htbl(regs, hactblg0, S5P_JPG_HACTBLG(0), |
699 | ARRAY_SIZE(hactblg0)); | |
bb677f3a AP |
700 | } |
701 | ||
80529ae5 JA |
702 | static inline void exynos4_jpeg_set_tbl(void __iomem *regs, |
703 | const unsigned char *tbl, | |
704 | unsigned long tab, int len) | |
705 | { | |
706 | int i; | |
707 | unsigned int dword; | |
708 | ||
709 | for (i = 0; i < len; i += 4) { | |
710 | dword = tbl[i] | | |
711 | (tbl[i + 1] << 8) | | |
712 | (tbl[i + 2] << 16) | | |
713 | (tbl[i + 3] << 24); | |
714 | writel(dword, regs + tab + i); | |
715 | } | |
716 | } | |
717 | ||
718 | static inline void exynos4_jpeg_set_qtbl_lum(void __iomem *regs, int quality) | |
719 | { | |
720 | /* this driver fills quantisation table 0 with data for luma */ | |
721 | exynos4_jpeg_set_tbl(regs, qtbl_luminance[quality], | |
722 | EXYNOS4_QTBL_CONTENT(0), | |
723 | ARRAY_SIZE(qtbl_luminance[quality])); | |
724 | } | |
725 | ||
726 | static inline void exynos4_jpeg_set_qtbl_chr(void __iomem *regs, int quality) | |
727 | { | |
728 | /* this driver fills quantisation table 1 with data for chroma */ | |
729 | exynos4_jpeg_set_tbl(regs, qtbl_chrominance[quality], | |
730 | EXYNOS4_QTBL_CONTENT(1), | |
731 | ARRAY_SIZE(qtbl_chrominance[quality])); | |
732 | } | |
733 | ||
af425be8 | 734 | static void exynos4_jpeg_set_huff_tbl(void __iomem *base) |
80529ae5 JA |
735 | { |
736 | exynos4_jpeg_set_tbl(base, hdctbl0, EXYNOS4_HUFF_TBL_HDCLL, | |
737 | ARRAY_SIZE(hdctbl0)); | |
738 | exynos4_jpeg_set_tbl(base, hdctbl0, EXYNOS4_HUFF_TBL_HDCCL, | |
739 | ARRAY_SIZE(hdctbl0)); | |
740 | exynos4_jpeg_set_tbl(base, hdctblg0, EXYNOS4_HUFF_TBL_HDCLV, | |
741 | ARRAY_SIZE(hdctblg0)); | |
742 | exynos4_jpeg_set_tbl(base, hdctblg0, EXYNOS4_HUFF_TBL_HDCCV, | |
743 | ARRAY_SIZE(hdctblg0)); | |
744 | exynos4_jpeg_set_tbl(base, hactbl0, EXYNOS4_HUFF_TBL_HACLL, | |
745 | ARRAY_SIZE(hactbl0)); | |
746 | exynos4_jpeg_set_tbl(base, hactbl0, EXYNOS4_HUFF_TBL_HACCL, | |
747 | ARRAY_SIZE(hactbl0)); | |
748 | exynos4_jpeg_set_tbl(base, hactblg0, EXYNOS4_HUFF_TBL_HACLV, | |
749 | ARRAY_SIZE(hactblg0)); | |
750 | exynos4_jpeg_set_tbl(base, hactblg0, EXYNOS4_HUFF_TBL_HACCV, | |
751 | ARRAY_SIZE(hactblg0)); | |
752 | } | |
753 | ||
6c96dbbc AP |
754 | static inline int __exynos4_huff_tbl(int class, int id, bool lenval) |
755 | { | |
756 | /* | |
757 | * class: 0 - DC, 1 - AC | |
758 | * id: 0 - Y, 1 - Cb/Cr | |
759 | */ | |
760 | if (class) { | |
761 | if (id) | |
762 | return lenval ? EXYNOS4_HUFF_TBL_HACCL : | |
763 | EXYNOS4_HUFF_TBL_HACCV; | |
764 | return lenval ? EXYNOS4_HUFF_TBL_HACLL : EXYNOS4_HUFF_TBL_HACLV; | |
765 | ||
766 | } | |
767 | /* class == 0 */ | |
768 | if (id) | |
769 | return lenval ? EXYNOS4_HUFF_TBL_HDCCL : EXYNOS4_HUFF_TBL_HDCCV; | |
770 | ||
771 | return lenval ? EXYNOS4_HUFF_TBL_HDCLL : EXYNOS4_HUFF_TBL_HDCLV; | |
772 | } | |
773 | ||
774 | static inline int exynos4_huff_tbl_len(int class, int id) | |
775 | { | |
776 | return __exynos4_huff_tbl(class, id, true); | |
777 | } | |
778 | ||
779 | static inline int exynos4_huff_tbl_val(int class, int id) | |
780 | { | |
781 | return __exynos4_huff_tbl(class, id, false); | |
782 | } | |
783 | ||
784 | static int get_byte(struct s5p_jpeg_buffer *buf); | |
785 | static int get_word_be(struct s5p_jpeg_buffer *buf, unsigned int *word); | |
786 | static void skip(struct s5p_jpeg_buffer *buf, long len); | |
787 | ||
788 | static void exynos4_jpeg_parse_decode_h_tbl(struct s5p_jpeg_ctx *ctx) | |
789 | { | |
790 | struct s5p_jpeg *jpeg = ctx->jpeg; | |
791 | struct vb2_buffer *vb = v4l2_m2m_next_src_buf(ctx->fh.m2m_ctx); | |
792 | struct s5p_jpeg_buffer jpeg_buffer; | |
793 | unsigned int word; | |
794 | int c, x, components; | |
795 | ||
796 | jpeg_buffer.size = 2; /* Ls */ | |
797 | jpeg_buffer.data = | |
798 | (unsigned long)vb2_plane_vaddr(vb, 0) + ctx->out_q.sos + 2; | |
799 | jpeg_buffer.curr = 0; | |
800 | ||
801 | word = 0; | |
802 | ||
803 | if (get_word_be(&jpeg_buffer, &word)) | |
804 | return; | |
805 | jpeg_buffer.size = (long)word - 2; | |
806 | jpeg_buffer.data += 2; | |
807 | jpeg_buffer.curr = 0; | |
808 | ||
809 | components = get_byte(&jpeg_buffer); | |
810 | if (components == -1) | |
811 | return; | |
812 | while (components--) { | |
813 | c = get_byte(&jpeg_buffer); | |
814 | if (c == -1) | |
815 | return; | |
816 | x = get_byte(&jpeg_buffer); | |
817 | if (x == -1) | |
818 | return; | |
819 | exynos4_jpeg_select_dec_h_tbl(jpeg->regs, c, | |
820 | (((x >> 4) & 0x1) << 1) | (x & 0x1)); | |
821 | } | |
822 | ||
823 | } | |
824 | ||
825 | static void exynos4_jpeg_parse_huff_tbl(struct s5p_jpeg_ctx *ctx) | |
826 | { | |
827 | struct s5p_jpeg *jpeg = ctx->jpeg; | |
828 | struct vb2_buffer *vb = v4l2_m2m_next_src_buf(ctx->fh.m2m_ctx); | |
829 | struct s5p_jpeg_buffer jpeg_buffer; | |
830 | unsigned int word; | |
831 | int c, i, n, j; | |
832 | ||
833 | for (j = 0; j < ctx->out_q.dht.n; ++j) { | |
834 | jpeg_buffer.size = ctx->out_q.dht.len[j]; | |
835 | jpeg_buffer.data = (unsigned long)vb2_plane_vaddr(vb, 0) + | |
836 | ctx->out_q.dht.marker[j]; | |
837 | jpeg_buffer.curr = 0; | |
838 | ||
839 | word = 0; | |
840 | while (jpeg_buffer.curr < jpeg_buffer.size) { | |
841 | char id, class; | |
842 | ||
843 | c = get_byte(&jpeg_buffer); | |
844 | if (c == -1) | |
845 | return; | |
846 | id = c & 0xf; | |
847 | class = (c >> 4) & 0xf; | |
848 | n = 0; | |
849 | for (i = 0; i < 16; ++i) { | |
850 | c = get_byte(&jpeg_buffer); | |
851 | if (c == -1) | |
852 | return; | |
853 | word |= c << ((i % 4) * 8); | |
854 | if ((i + 1) % 4 == 0) { | |
855 | writel(word, jpeg->regs + | |
856 | exynos4_huff_tbl_len(class, id) + | |
857 | (i / 4) * 4); | |
858 | word = 0; | |
859 | } | |
860 | n += c; | |
861 | } | |
862 | word = 0; | |
863 | for (i = 0; i < n; ++i) { | |
864 | c = get_byte(&jpeg_buffer); | |
865 | if (c == -1) | |
866 | return; | |
867 | word |= c << ((i % 4) * 8); | |
868 | if ((i + 1) % 4 == 0) { | |
869 | writel(word, jpeg->regs + | |
870 | exynos4_huff_tbl_val(class, id) + | |
871 | (i / 4) * 4); | |
872 | word = 0; | |
873 | } | |
874 | } | |
875 | if (i % 4) { | |
876 | writel(word, jpeg->regs + | |
877 | exynos4_huff_tbl_val(class, id) + (i / 4) * 4); | |
878 | } | |
879 | word = 0; | |
880 | } | |
881 | } | |
882 | } | |
883 | ||
884 | static void exynos4_jpeg_parse_decode_q_tbl(struct s5p_jpeg_ctx *ctx) | |
885 | { | |
886 | struct s5p_jpeg *jpeg = ctx->jpeg; | |
887 | struct vb2_buffer *vb = v4l2_m2m_next_src_buf(ctx->fh.m2m_ctx); | |
888 | struct s5p_jpeg_buffer jpeg_buffer; | |
6c96dbbc AP |
889 | int c, x, components; |
890 | ||
891 | jpeg_buffer.size = ctx->out_q.sof_len; | |
892 | jpeg_buffer.data = | |
893 | (unsigned long)vb2_plane_vaddr(vb, 0) + ctx->out_q.sof; | |
894 | jpeg_buffer.curr = 0; | |
895 | ||
6c96dbbc AP |
896 | skip(&jpeg_buffer, 5); /* P, Y, X */ |
897 | components = get_byte(&jpeg_buffer); | |
898 | if (components == -1) | |
899 | return; | |
900 | ||
901 | exynos4_jpeg_set_dec_components(jpeg->regs, components); | |
902 | ||
903 | while (components--) { | |
904 | c = get_byte(&jpeg_buffer); | |
905 | if (c == -1) | |
906 | return; | |
907 | skip(&jpeg_buffer, 1); | |
908 | x = get_byte(&jpeg_buffer); | |
909 | if (x == -1) | |
910 | return; | |
911 | exynos4_jpeg_select_dec_q_tbl(jpeg->regs, c, x); | |
912 | } | |
913 | } | |
914 | ||
915 | static void exynos4_jpeg_parse_q_tbl(struct s5p_jpeg_ctx *ctx) | |
916 | { | |
917 | struct s5p_jpeg *jpeg = ctx->jpeg; | |
918 | struct vb2_buffer *vb = v4l2_m2m_next_src_buf(ctx->fh.m2m_ctx); | |
919 | struct s5p_jpeg_buffer jpeg_buffer; | |
920 | unsigned int word; | |
921 | int c, i, j; | |
922 | ||
923 | for (j = 0; j < ctx->out_q.dqt.n; ++j) { | |
924 | jpeg_buffer.size = ctx->out_q.dqt.len[j]; | |
925 | jpeg_buffer.data = (unsigned long)vb2_plane_vaddr(vb, 0) + | |
926 | ctx->out_q.dqt.marker[j]; | |
927 | jpeg_buffer.curr = 0; | |
928 | ||
929 | word = 0; | |
930 | while (jpeg_buffer.size - jpeg_buffer.curr >= 65) { | |
931 | char id; | |
932 | ||
933 | c = get_byte(&jpeg_buffer); | |
934 | if (c == -1) | |
935 | return; | |
936 | id = c & 0xf; | |
937 | /* nonzero means extended mode - not supported */ | |
938 | if ((c >> 4) & 0xf) | |
939 | return; | |
940 | for (i = 0; i < 64; ++i) { | |
941 | c = get_byte(&jpeg_buffer); | |
942 | if (c == -1) | |
943 | return; | |
944 | word |= c << ((i % 4) * 8); | |
945 | if ((i + 1) % 4 == 0) { | |
946 | writel(word, jpeg->regs + | |
947 | EXYNOS4_QTBL_CONTENT(id) + (i / 4) * 4); | |
948 | word = 0; | |
949 | } | |
950 | } | |
951 | word = 0; | |
952 | } | |
953 | } | |
954 | } | |
955 | ||
bb677f3a AP |
956 | /* |
957 | * ============================================================================ | |
958 | * Device file operations | |
959 | * ============================================================================ | |
960 | */ | |
961 | ||
962 | static int queue_init(void *priv, struct vb2_queue *src_vq, | |
963 | struct vb2_queue *dst_vq); | |
80529ae5 JA |
964 | static struct s5p_jpeg_fmt *s5p_jpeg_find_format(struct s5p_jpeg_ctx *ctx, |
965 | __u32 pixelformat, unsigned int fmt_type); | |
15f4bc3b | 966 | static int s5p_jpeg_controls_create(struct s5p_jpeg_ctx *ctx); |
bb677f3a AP |
967 | |
968 | static int s5p_jpeg_open(struct file *file) | |
969 | { | |
970 | struct s5p_jpeg *jpeg = video_drvdata(file); | |
971 | struct video_device *vfd = video_devdata(file); | |
972 | struct s5p_jpeg_ctx *ctx; | |
80529ae5 | 973 | struct s5p_jpeg_fmt *out_fmt, *cap_fmt; |
275de24d | 974 | int ret = 0; |
bb677f3a | 975 | |
b5146c96 | 976 | ctx = kzalloc(sizeof(*ctx), GFP_KERNEL); |
bb677f3a AP |
977 | if (!ctx) |
978 | return -ENOMEM; | |
979 | ||
b0d5cd6b HV |
980 | if (mutex_lock_interruptible(&jpeg->lock)) { |
981 | ret = -ERESTARTSYS; | |
982 | goto free; | |
983 | } | |
984 | ||
275de24d | 985 | v4l2_fh_init(&ctx->fh, vfd); |
15f4bc3b SN |
986 | /* Use separate control handler per file handle */ |
987 | ctx->fh.ctrl_handler = &ctx->ctrl_handler; | |
275de24d SN |
988 | file->private_data = &ctx->fh; |
989 | v4l2_fh_add(&ctx->fh); | |
990 | ||
bb677f3a AP |
991 | ctx->jpeg = jpeg; |
992 | if (vfd == jpeg->vfd_encoder) { | |
993 | ctx->mode = S5P_JPEG_ENCODE; | |
80529ae5 JA |
994 | out_fmt = s5p_jpeg_find_format(ctx, V4L2_PIX_FMT_RGB565, |
995 | FMT_TYPE_OUTPUT); | |
996 | cap_fmt = s5p_jpeg_find_format(ctx, V4L2_PIX_FMT_JPEG, | |
997 | FMT_TYPE_CAPTURE); | |
bb677f3a AP |
998 | } else { |
999 | ctx->mode = S5P_JPEG_DECODE; | |
80529ae5 JA |
1000 | out_fmt = s5p_jpeg_find_format(ctx, V4L2_PIX_FMT_JPEG, |
1001 | FMT_TYPE_OUTPUT); | |
1002 | cap_fmt = s5p_jpeg_find_format(ctx, V4L2_PIX_FMT_YUYV, | |
1003 | FMT_TYPE_CAPTURE); | |
3246fdaa | 1004 | ctx->scale_factor = EXYNOS3250_DEC_SCALE_FACTOR_8_8; |
bb677f3a AP |
1005 | } |
1006 | ||
718cf4a9 SN |
1007 | ctx->fh.m2m_ctx = v4l2_m2m_ctx_init(jpeg->m2m_dev, ctx, queue_init); |
1008 | if (IS_ERR(ctx->fh.m2m_ctx)) { | |
1009 | ret = PTR_ERR(ctx->fh.m2m_ctx); | |
275de24d | 1010 | goto error; |
bb677f3a AP |
1011 | } |
1012 | ||
1013 | ctx->out_q.fmt = out_fmt; | |
80529ae5 JA |
1014 | ctx->cap_q.fmt = cap_fmt; |
1015 | ||
1016 | ret = s5p_jpeg_controls_create(ctx); | |
1017 | if (ret < 0) | |
1018 | goto error; | |
1019 | ||
b0d5cd6b | 1020 | mutex_unlock(&jpeg->lock); |
bb677f3a | 1021 | return 0; |
275de24d SN |
1022 | |
1023 | error: | |
1024 | v4l2_fh_del(&ctx->fh); | |
1025 | v4l2_fh_exit(&ctx->fh); | |
b0d5cd6b HV |
1026 | mutex_unlock(&jpeg->lock); |
1027 | free: | |
275de24d SN |
1028 | kfree(ctx); |
1029 | return ret; | |
bb677f3a AP |
1030 | } |
1031 | ||
1032 | static int s5p_jpeg_release(struct file *file) | |
1033 | { | |
b0d5cd6b | 1034 | struct s5p_jpeg *jpeg = video_drvdata(file); |
275de24d | 1035 | struct s5p_jpeg_ctx *ctx = fh_to_ctx(file->private_data); |
bb677f3a | 1036 | |
b0d5cd6b | 1037 | mutex_lock(&jpeg->lock); |
718cf4a9 | 1038 | v4l2_m2m_ctx_release(ctx->fh.m2m_ctx); |
15f4bc3b | 1039 | v4l2_ctrl_handler_free(&ctx->ctrl_handler); |
275de24d SN |
1040 | v4l2_fh_del(&ctx->fh); |
1041 | v4l2_fh_exit(&ctx->fh); | |
bb677f3a | 1042 | kfree(ctx); |
80529ae5 | 1043 | mutex_unlock(&jpeg->lock); |
bb677f3a AP |
1044 | |
1045 | return 0; | |
1046 | } | |
1047 | ||
bb677f3a AP |
1048 | static const struct v4l2_file_operations s5p_jpeg_fops = { |
1049 | .owner = THIS_MODULE, | |
1050 | .open = s5p_jpeg_open, | |
1051 | .release = s5p_jpeg_release, | |
718cf4a9 | 1052 | .poll = v4l2_m2m_fop_poll, |
bb677f3a | 1053 | .unlocked_ioctl = video_ioctl2, |
718cf4a9 | 1054 | .mmap = v4l2_m2m_fop_mmap, |
bb677f3a AP |
1055 | }; |
1056 | ||
1057 | /* | |
1058 | * ============================================================================ | |
1059 | * video ioctl operations | |
1060 | * ============================================================================ | |
1061 | */ | |
1062 | ||
1063 | static int get_byte(struct s5p_jpeg_buffer *buf) | |
1064 | { | |
1065 | if (buf->curr >= buf->size) | |
1066 | return -1; | |
1067 | ||
1068 | return ((unsigned char *)buf->data)[buf->curr++]; | |
1069 | } | |
1070 | ||
1071 | static int get_word_be(struct s5p_jpeg_buffer *buf, unsigned int *word) | |
1072 | { | |
1073 | unsigned int temp; | |
1074 | int byte; | |
1075 | ||
1076 | byte = get_byte(buf); | |
1077 | if (byte == -1) | |
1078 | return -1; | |
1079 | temp = byte << 8; | |
1080 | byte = get_byte(buf); | |
1081 | if (byte == -1) | |
1082 | return -1; | |
1083 | *word = (unsigned int)byte | temp; | |
1084 | return 0; | |
1085 | } | |
1086 | ||
1087 | static void skip(struct s5p_jpeg_buffer *buf, long len) | |
1088 | { | |
1089 | if (len <= 0) | |
1090 | return; | |
1091 | ||
1092 | while (len--) | |
1093 | get_byte(buf); | |
1094 | } | |
1095 | ||
1096 | static bool s5p_jpeg_parse_hdr(struct s5p_jpeg_q_data *result, | |
f8433962 JA |
1097 | unsigned long buffer, unsigned long size, |
1098 | struct s5p_jpeg_ctx *ctx) | |
bb677f3a | 1099 | { |
6c96dbbc AP |
1100 | int c, components = 0, notfound, n_dht = 0, n_dqt = 0; |
1101 | unsigned int height, width, word, subsampling = 0, sos = 0, sof = 0, | |
1102 | sof_len = 0; | |
1103 | unsigned int dht[S5P_JPEG_MAX_MARKER], dht_len[S5P_JPEG_MAX_MARKER], | |
1104 | dqt[S5P_JPEG_MAX_MARKER], dqt_len[S5P_JPEG_MAX_MARKER]; | |
bb677f3a AP |
1105 | long length; |
1106 | struct s5p_jpeg_buffer jpeg_buffer; | |
1107 | ||
1108 | jpeg_buffer.size = size; | |
1109 | jpeg_buffer.data = buffer; | |
1110 | jpeg_buffer.curr = 0; | |
1111 | ||
1112 | notfound = 1; | |
6c96dbbc | 1113 | while (notfound || !sos) { |
bb677f3a AP |
1114 | c = get_byte(&jpeg_buffer); |
1115 | if (c == -1) | |
a35f6003 | 1116 | return false; |
bb677f3a AP |
1117 | if (c != 0xff) |
1118 | continue; | |
1119 | do | |
1120 | c = get_byte(&jpeg_buffer); | |
1121 | while (c == 0xff); | |
1122 | if (c == -1) | |
a35f6003 | 1123 | return false; |
bb677f3a AP |
1124 | if (c == 0) |
1125 | continue; | |
1126 | length = 0; | |
1127 | switch (c) { | |
1128 | /* SOF0: baseline JPEG */ | |
1129 | case SOF0: | |
1130 | if (get_word_be(&jpeg_buffer, &word)) | |
1131 | break; | |
6c96dbbc AP |
1132 | length = (long)word - 2; |
1133 | if (!length) | |
1134 | return false; | |
1135 | sof = jpeg_buffer.curr; /* after 0xffc0 */ | |
1136 | sof_len = length; | |
bb677f3a AP |
1137 | if (get_byte(&jpeg_buffer) == -1) |
1138 | break; | |
1139 | if (get_word_be(&jpeg_buffer, &height)) | |
1140 | break; | |
1141 | if (get_word_be(&jpeg_buffer, &width)) | |
1142 | break; | |
1143 | components = get_byte(&jpeg_buffer); | |
1144 | if (components == -1) | |
1145 | break; | |
bb677f3a | 1146 | |
f8433962 JA |
1147 | if (components == 1) { |
1148 | subsampling = 0x33; | |
1149 | } else { | |
1150 | skip(&jpeg_buffer, 1); | |
1151 | subsampling = get_byte(&jpeg_buffer); | |
1152 | skip(&jpeg_buffer, 1); | |
1153 | } | |
6c96dbbc AP |
1154 | if (components > 3) |
1155 | return false; | |
f8433962 | 1156 | skip(&jpeg_buffer, components * 2); |
6c96dbbc AP |
1157 | notfound = 0; |
1158 | break; | |
1159 | ||
1160 | case DQT: | |
1161 | if (get_word_be(&jpeg_buffer, &word)) | |
1162 | break; | |
1163 | length = (long)word - 2; | |
1164 | if (!length) | |
1165 | return false; | |
1166 | if (n_dqt >= S5P_JPEG_MAX_MARKER) | |
1167 | return false; | |
1168 | dqt[n_dqt] = jpeg_buffer.curr; /* after 0xffdb */ | |
1169 | dqt_len[n_dqt++] = length; | |
1170 | skip(&jpeg_buffer, length); | |
1171 | break; | |
1172 | ||
1173 | case DHT: | |
1174 | if (get_word_be(&jpeg_buffer, &word)) | |
1175 | break; | |
1176 | length = (long)word - 2; | |
1177 | if (!length) | |
1178 | return false; | |
1179 | if (n_dht >= S5P_JPEG_MAX_MARKER) | |
1180 | return false; | |
1181 | dht[n_dht] = jpeg_buffer.curr; /* after 0xffc4 */ | |
1182 | dht_len[n_dht++] = length; | |
1183 | skip(&jpeg_buffer, length); | |
1184 | break; | |
1185 | ||
1186 | case SOS: | |
1187 | sos = jpeg_buffer.curr - 2; /* 0xffda */ | |
bb677f3a AP |
1188 | break; |
1189 | ||
1190 | /* skip payload-less markers */ | |
1191 | case RST ... RST + 7: | |
1192 | case SOI: | |
1193 | case EOI: | |
1194 | case TEM: | |
1195 | break; | |
1196 | ||
1197 | /* skip uninteresting payload markers */ | |
1198 | default: | |
1199 | if (get_word_be(&jpeg_buffer, &word)) | |
1200 | break; | |
1201 | length = (long)word - 2; | |
1202 | skip(&jpeg_buffer, length); | |
1203 | break; | |
1204 | } | |
1205 | } | |
1206 | result->w = width; | |
1207 | result->h = height; | |
6c96dbbc AP |
1208 | result->sos = sos; |
1209 | result->dht.n = n_dht; | |
1210 | while (n_dht--) { | |
1211 | result->dht.marker[n_dht] = dht[n_dht]; | |
1212 | result->dht.len[n_dht] = dht_len[n_dht]; | |
1213 | } | |
1214 | result->dqt.n = n_dqt; | |
1215 | while (n_dqt--) { | |
1216 | result->dqt.marker[n_dqt] = dqt[n_dqt]; | |
1217 | result->dqt.len[n_dqt] = dqt_len[n_dqt]; | |
1218 | } | |
1219 | result->sof = sof; | |
1220 | result->sof_len = sof_len; | |
1221 | result->size = result->components = components; | |
f8433962 JA |
1222 | |
1223 | switch (subsampling) { | |
1224 | case 0x11: | |
1225 | ctx->subsampling = V4L2_JPEG_CHROMA_SUBSAMPLING_444; | |
1226 | break; | |
1227 | case 0x21: | |
1228 | ctx->subsampling = V4L2_JPEG_CHROMA_SUBSAMPLING_422; | |
1229 | break; | |
1230 | case 0x22: | |
1231 | ctx->subsampling = V4L2_JPEG_CHROMA_SUBSAMPLING_420; | |
1232 | break; | |
1233 | case 0x33: | |
1234 | ctx->subsampling = V4L2_JPEG_CHROMA_SUBSAMPLING_GRAY; | |
1235 | break; | |
1236 | default: | |
1237 | return false; | |
1238 | } | |
1239 | ||
6c96dbbc | 1240 | return !notfound && sos; |
bb677f3a AP |
1241 | } |
1242 | ||
1243 | static int s5p_jpeg_querycap(struct file *file, void *priv, | |
1244 | struct v4l2_capability *cap) | |
1245 | { | |
275de24d | 1246 | struct s5p_jpeg_ctx *ctx = fh_to_ctx(priv); |
bb677f3a AP |
1247 | |
1248 | if (ctx->mode == S5P_JPEG_ENCODE) { | |
1249 | strlcpy(cap->driver, S5P_JPEG_M2M_NAME " encoder", | |
1250 | sizeof(cap->driver)); | |
1251 | strlcpy(cap->card, S5P_JPEG_M2M_NAME " encoder", | |
1252 | sizeof(cap->card)); | |
1253 | } else { | |
1254 | strlcpy(cap->driver, S5P_JPEG_M2M_NAME " decoder", | |
1255 | sizeof(cap->driver)); | |
1256 | strlcpy(cap->card, S5P_JPEG_M2M_NAME " decoder", | |
1257 | sizeof(cap->card)); | |
1258 | } | |
1259 | cap->bus_info[0] = 0; | |
8c17e5e3 HV |
1260 | cap->device_caps = V4L2_CAP_STREAMING | V4L2_CAP_VIDEO_M2M; |
1261 | cap->capabilities = cap->device_caps | V4L2_CAP_DEVICE_CAPS; | |
bb677f3a AP |
1262 | return 0; |
1263 | } | |
1264 | ||
80529ae5 | 1265 | static int enum_fmt(struct s5p_jpeg_fmt *sjpeg_formats, int n, |
bb677f3a AP |
1266 | struct v4l2_fmtdesc *f, u32 type) |
1267 | { | |
1268 | int i, num = 0; | |
1269 | ||
1270 | for (i = 0; i < n; ++i) { | |
80529ae5 | 1271 | if (sjpeg_formats[i].flags & type) { |
bb677f3a AP |
1272 | /* index-th format of type type found ? */ |
1273 | if (num == f->index) | |
1274 | break; | |
1275 | /* Correct type but haven't reached our index yet, | |
1276 | * just increment per-type index */ | |
1277 | ++num; | |
1278 | } | |
1279 | } | |
1280 | ||
1281 | /* Format not found */ | |
1282 | if (i >= n) | |
1283 | return -EINVAL; | |
1284 | ||
80529ae5 JA |
1285 | strlcpy(f->description, sjpeg_formats[i].name, sizeof(f->description)); |
1286 | f->pixelformat = sjpeg_formats[i].fourcc; | |
bb677f3a AP |
1287 | |
1288 | return 0; | |
1289 | } | |
1290 | ||
1291 | static int s5p_jpeg_enum_fmt_vid_cap(struct file *file, void *priv, | |
1292 | struct v4l2_fmtdesc *f) | |
1293 | { | |
275de24d | 1294 | struct s5p_jpeg_ctx *ctx = fh_to_ctx(priv); |
bb677f3a AP |
1295 | |
1296 | if (ctx->mode == S5P_JPEG_ENCODE) | |
80529ae5 JA |
1297 | return enum_fmt(sjpeg_formats, SJPEG_NUM_FORMATS, f, |
1298 | SJPEG_FMT_FLAG_ENC_CAPTURE); | |
bb677f3a | 1299 | |
80529ae5 JA |
1300 | return enum_fmt(sjpeg_formats, SJPEG_NUM_FORMATS, f, |
1301 | SJPEG_FMT_FLAG_DEC_CAPTURE); | |
bb677f3a AP |
1302 | } |
1303 | ||
1304 | static int s5p_jpeg_enum_fmt_vid_out(struct file *file, void *priv, | |
1305 | struct v4l2_fmtdesc *f) | |
1306 | { | |
275de24d | 1307 | struct s5p_jpeg_ctx *ctx = fh_to_ctx(priv); |
bb677f3a AP |
1308 | |
1309 | if (ctx->mode == S5P_JPEG_ENCODE) | |
80529ae5 JA |
1310 | return enum_fmt(sjpeg_formats, SJPEG_NUM_FORMATS, f, |
1311 | SJPEG_FMT_FLAG_ENC_OUTPUT); | |
bb677f3a | 1312 | |
80529ae5 JA |
1313 | return enum_fmt(sjpeg_formats, SJPEG_NUM_FORMATS, f, |
1314 | SJPEG_FMT_FLAG_DEC_OUTPUT); | |
bb677f3a AP |
1315 | } |
1316 | ||
1317 | static struct s5p_jpeg_q_data *get_q_data(struct s5p_jpeg_ctx *ctx, | |
1318 | enum v4l2_buf_type type) | |
1319 | { | |
1320 | if (type == V4L2_BUF_TYPE_VIDEO_OUTPUT) | |
1321 | return &ctx->out_q; | |
1322 | if (type == V4L2_BUF_TYPE_VIDEO_CAPTURE) | |
1323 | return &ctx->cap_q; | |
1324 | ||
1325 | return NULL; | |
1326 | } | |
1327 | ||
1328 | static int s5p_jpeg_g_fmt(struct file *file, void *priv, struct v4l2_format *f) | |
1329 | { | |
1330 | struct vb2_queue *vq; | |
1331 | struct s5p_jpeg_q_data *q_data = NULL; | |
1332 | struct v4l2_pix_format *pix = &f->fmt.pix; | |
275de24d | 1333 | struct s5p_jpeg_ctx *ct = fh_to_ctx(priv); |
bb677f3a | 1334 | |
718cf4a9 | 1335 | vq = v4l2_m2m_get_vq(ct->fh.m2m_ctx, f->type); |
bb677f3a AP |
1336 | if (!vq) |
1337 | return -EINVAL; | |
1338 | ||
1339 | if (f->type == V4L2_BUF_TYPE_VIDEO_CAPTURE && | |
1340 | ct->mode == S5P_JPEG_DECODE && !ct->hdr_parsed) | |
1341 | return -EINVAL; | |
1342 | q_data = get_q_data(ct, f->type); | |
1343 | BUG_ON(q_data == NULL); | |
1344 | ||
1345 | pix->width = q_data->w; | |
1346 | pix->height = q_data->h; | |
1347 | pix->field = V4L2_FIELD_NONE; | |
1348 | pix->pixelformat = q_data->fmt->fourcc; | |
1349 | pix->bytesperline = 0; | |
1350 | if (q_data->fmt->fourcc != V4L2_PIX_FMT_JPEG) { | |
1351 | u32 bpl = q_data->w; | |
1352 | if (q_data->fmt->colplanes == 1) | |
1353 | bpl = (bpl * q_data->fmt->depth) >> 3; | |
1354 | pix->bytesperline = bpl; | |
1355 | } | |
1356 | pix->sizeimage = q_data->size; | |
1357 | ||
1358 | return 0; | |
1359 | } | |
1360 | ||
80529ae5 JA |
1361 | static struct s5p_jpeg_fmt *s5p_jpeg_find_format(struct s5p_jpeg_ctx *ctx, |
1362 | u32 pixelformat, unsigned int fmt_type) | |
bb677f3a | 1363 | { |
b245168c | 1364 | unsigned int k, fmt_flag; |
bb677f3a | 1365 | |
80529ae5 JA |
1366 | if (ctx->mode == S5P_JPEG_ENCODE) |
1367 | fmt_flag = (fmt_type == FMT_TYPE_OUTPUT) ? | |
1368 | SJPEG_FMT_FLAG_ENC_OUTPUT : | |
1369 | SJPEG_FMT_FLAG_ENC_CAPTURE; | |
1370 | else | |
1371 | fmt_flag = (fmt_type == FMT_TYPE_OUTPUT) ? | |
1372 | SJPEG_FMT_FLAG_DEC_OUTPUT : | |
1373 | SJPEG_FMT_FLAG_DEC_CAPTURE; | |
bb677f3a | 1374 | |
80529ae5 JA |
1375 | for (k = 0; k < ARRAY_SIZE(sjpeg_formats); k++) { |
1376 | struct s5p_jpeg_fmt *fmt = &sjpeg_formats[k]; | |
1377 | if (fmt->fourcc == pixelformat && | |
1378 | fmt->flags & fmt_flag && | |
b245168c | 1379 | fmt->flags & ctx->jpeg->variant->fmt_ver_flag) { |
bb677f3a | 1380 | return fmt; |
80529ae5 | 1381 | } |
bb677f3a AP |
1382 | } |
1383 | ||
1384 | return NULL; | |
bb677f3a AP |
1385 | } |
1386 | ||
e9e7dfe5 JA |
1387 | static void jpeg_bound_align_image(struct s5p_jpeg_ctx *ctx, |
1388 | u32 *w, unsigned int wmin, unsigned int wmax, | |
bb677f3a AP |
1389 | unsigned int walign, |
1390 | u32 *h, unsigned int hmin, unsigned int hmax, | |
1391 | unsigned int halign) | |
1392 | { | |
1393 | int width, height, w_step, h_step; | |
1394 | ||
1395 | width = *w; | |
1396 | height = *h; | |
1397 | ||
1398 | w_step = 1 << walign; | |
1399 | h_step = 1 << halign; | |
e9e7dfe5 | 1400 | |
7c15fd4b | 1401 | if (ctx->jpeg->variant->hw3250_compat) { |
e9e7dfe5 JA |
1402 | /* |
1403 | * Rightmost and bottommost pixels are cropped by the | |
7c15fd4b AP |
1404 | * Exynos3250/compatible JPEG IP for RGB formats, for the |
1405 | * specific width and height values respectively. This | |
1406 | * assignment will result in v4l_bound_align_image returning | |
1407 | * dimensions reduced by 1 for the aforementioned cases. | |
e9e7dfe5 JA |
1408 | */ |
1409 | if (w_step == 4 && ((width & 3) == 1)) { | |
1410 | wmax = width; | |
1411 | hmax = height; | |
1412 | } | |
1413 | } | |
1414 | ||
bb677f3a AP |
1415 | v4l_bound_align_image(w, wmin, wmax, walign, h, hmin, hmax, halign, 0); |
1416 | ||
1417 | if (*w < width && (*w + w_step) < wmax) | |
1418 | *w += w_step; | |
1419 | if (*h < height && (*h + h_step) < hmax) | |
1420 | *h += h_step; | |
bb677f3a AP |
1421 | } |
1422 | ||
1423 | static int vidioc_try_fmt(struct v4l2_format *f, struct s5p_jpeg_fmt *fmt, | |
1424 | struct s5p_jpeg_ctx *ctx, int q_type) | |
1425 | { | |
1426 | struct v4l2_pix_format *pix = &f->fmt.pix; | |
1427 | ||
1428 | if (pix->field == V4L2_FIELD_ANY) | |
1429 | pix->field = V4L2_FIELD_NONE; | |
1430 | else if (pix->field != V4L2_FIELD_NONE) | |
1431 | return -EINVAL; | |
1432 | ||
1433 | /* V4L2 specification suggests the driver corrects the format struct | |
1434 | * if any of the dimensions is unsupported */ | |
80529ae5 | 1435 | if (q_type == FMT_TYPE_OUTPUT) |
e9e7dfe5 | 1436 | jpeg_bound_align_image(ctx, &pix->width, S5P_JPEG_MIN_WIDTH, |
bb677f3a AP |
1437 | S5P_JPEG_MAX_WIDTH, 0, |
1438 | &pix->height, S5P_JPEG_MIN_HEIGHT, | |
1439 | S5P_JPEG_MAX_HEIGHT, 0); | |
1440 | else | |
e9e7dfe5 | 1441 | jpeg_bound_align_image(ctx, &pix->width, S5P_JPEG_MIN_WIDTH, |
bb677f3a AP |
1442 | S5P_JPEG_MAX_WIDTH, fmt->h_align, |
1443 | &pix->height, S5P_JPEG_MIN_HEIGHT, | |
1444 | S5P_JPEG_MAX_HEIGHT, fmt->v_align); | |
1445 | ||
1446 | if (fmt->fourcc == V4L2_PIX_FMT_JPEG) { | |
1447 | if (pix->sizeimage <= 0) | |
1448 | pix->sizeimage = PAGE_SIZE; | |
1449 | pix->bytesperline = 0; | |
1450 | } else { | |
1451 | u32 bpl = pix->bytesperline; | |
1452 | ||
1453 | if (fmt->colplanes > 1 && bpl < pix->width) | |
1454 | bpl = pix->width; /* planar */ | |
1455 | ||
1456 | if (fmt->colplanes == 1 && /* packed */ | |
cc690904 | 1457 | (bpl << 3) / fmt->depth < pix->width) |
bb677f3a AP |
1458 | bpl = (pix->width * fmt->depth) >> 3; |
1459 | ||
1460 | pix->bytesperline = bpl; | |
1461 | pix->sizeimage = (pix->width * pix->height * fmt->depth) >> 3; | |
1462 | } | |
1463 | ||
1464 | return 0; | |
1465 | } | |
1466 | ||
1467 | static int s5p_jpeg_try_fmt_vid_cap(struct file *file, void *priv, | |
1468 | struct v4l2_format *f) | |
1469 | { | |
275de24d | 1470 | struct s5p_jpeg_ctx *ctx = fh_to_ctx(priv); |
337777a4 | 1471 | struct v4l2_pix_format *pix = &f->fmt.pix; |
bb677f3a | 1472 | struct s5p_jpeg_fmt *fmt; |
337777a4 | 1473 | int ret; |
bb677f3a | 1474 | |
80529ae5 JA |
1475 | fmt = s5p_jpeg_find_format(ctx, f->fmt.pix.pixelformat, |
1476 | FMT_TYPE_CAPTURE); | |
1477 | if (!fmt) { | |
bb677f3a AP |
1478 | v4l2_err(&ctx->jpeg->v4l2_dev, |
1479 | "Fourcc format (0x%08x) invalid.\n", | |
1480 | f->fmt.pix.pixelformat); | |
1481 | return -EINVAL; | |
1482 | } | |
1483 | ||
6c96dbbc | 1484 | if (!ctx->jpeg->variant->hw_ex4_compat || ctx->mode != S5P_JPEG_DECODE) |
2caeeb0c JA |
1485 | goto exit; |
1486 | ||
337777a4 JA |
1487 | /* |
1488 | * The exynos4x12 device requires resulting YUV image | |
1489 | * subsampling not to be lower than the input jpeg subsampling. | |
1490 | * If this requirement is not met then downgrade the requested | |
1491 | * capture format to the one with subsampling equal to the input jpeg. | |
1492 | */ | |
2caeeb0c | 1493 | if ((fmt->flags & SJPEG_FMT_NON_RGB) && |
337777a4 JA |
1494 | (fmt->subsampling < ctx->subsampling)) { |
1495 | ret = s5p_jpeg_adjust_fourcc_to_subsampling(ctx->subsampling, | |
1496 | fmt->fourcc, | |
1497 | &pix->pixelformat, | |
1498 | ctx); | |
1499 | if (ret < 0) | |
1500 | pix->pixelformat = V4L2_PIX_FMT_GREY; | |
1501 | ||
1502 | fmt = s5p_jpeg_find_format(ctx, pix->pixelformat, | |
1503 | FMT_TYPE_CAPTURE); | |
1504 | } | |
1505 | ||
2caeeb0c JA |
1506 | /* |
1507 | * Decompression of a JPEG file with 4:2:0 subsampling and odd | |
1508 | * width to the YUV 4:2:0 compliant formats produces a raw image | |
1509 | * with broken luma component. Adjust capture format to RGB565 | |
1510 | * in such a case. | |
1511 | */ | |
1512 | if (ctx->subsampling == V4L2_JPEG_CHROMA_SUBSAMPLING_420 && | |
1513 | (ctx->out_q.w & 1) && | |
1514 | (pix->pixelformat == V4L2_PIX_FMT_NV12 || | |
1515 | pix->pixelformat == V4L2_PIX_FMT_NV21 || | |
1516 | pix->pixelformat == V4L2_PIX_FMT_YUV420)) { | |
1517 | pix->pixelformat = V4L2_PIX_FMT_RGB565; | |
1518 | fmt = s5p_jpeg_find_format(ctx, pix->pixelformat, | |
1519 | FMT_TYPE_CAPTURE); | |
1520 | } | |
1521 | ||
1522 | exit: | |
80529ae5 | 1523 | return vidioc_try_fmt(f, fmt, ctx, FMT_TYPE_CAPTURE); |
bb677f3a AP |
1524 | } |
1525 | ||
1526 | static int s5p_jpeg_try_fmt_vid_out(struct file *file, void *priv, | |
1527 | struct v4l2_format *f) | |
1528 | { | |
275de24d | 1529 | struct s5p_jpeg_ctx *ctx = fh_to_ctx(priv); |
bb677f3a | 1530 | struct s5p_jpeg_fmt *fmt; |
bb677f3a | 1531 | |
80529ae5 JA |
1532 | fmt = s5p_jpeg_find_format(ctx, f->fmt.pix.pixelformat, |
1533 | FMT_TYPE_OUTPUT); | |
1534 | if (!fmt) { | |
bb677f3a AP |
1535 | v4l2_err(&ctx->jpeg->v4l2_dev, |
1536 | "Fourcc format (0x%08x) invalid.\n", | |
1537 | f->fmt.pix.pixelformat); | |
1538 | return -EINVAL; | |
1539 | } | |
1540 | ||
80529ae5 | 1541 | return vidioc_try_fmt(f, fmt, ctx, FMT_TYPE_OUTPUT); |
bb677f3a AP |
1542 | } |
1543 | ||
b2254d6f JA |
1544 | static int exynos4_jpeg_get_output_buffer_size(struct s5p_jpeg_ctx *ctx, |
1545 | struct v4l2_format *f, | |
1546 | int fmt_depth) | |
1547 | { | |
1548 | struct v4l2_pix_format *pix = &f->fmt.pix; | |
1549 | u32 pix_fmt = f->fmt.pix.pixelformat; | |
1550 | int w = pix->width, h = pix->height, wh_align; | |
77401dd7 | 1551 | int padding = 0; |
b2254d6f JA |
1552 | |
1553 | if (pix_fmt == V4L2_PIX_FMT_RGB32 || | |
77401dd7 | 1554 | pix_fmt == V4L2_PIX_FMT_RGB565 || |
b2254d6f JA |
1555 | pix_fmt == V4L2_PIX_FMT_NV24 || |
1556 | pix_fmt == V4L2_PIX_FMT_NV42 || | |
1557 | pix_fmt == V4L2_PIX_FMT_NV12 || | |
1558 | pix_fmt == V4L2_PIX_FMT_NV21 || | |
1559 | pix_fmt == V4L2_PIX_FMT_YUV420) | |
1560 | wh_align = 4; | |
1561 | else | |
1562 | wh_align = 1; | |
1563 | ||
e9e7dfe5 | 1564 | jpeg_bound_align_image(ctx, &w, S5P_JPEG_MIN_WIDTH, |
b2254d6f JA |
1565 | S5P_JPEG_MAX_WIDTH, wh_align, |
1566 | &h, S5P_JPEG_MIN_HEIGHT, | |
1567 | S5P_JPEG_MAX_HEIGHT, wh_align); | |
1568 | ||
77401dd7 AP |
1569 | if (ctx->jpeg->variant->version == SJPEG_EXYNOS4) |
1570 | padding = PAGE_SIZE; | |
1571 | ||
1572 | return (w * h * fmt_depth >> 3) + padding; | |
b2254d6f JA |
1573 | } |
1574 | ||
5a71671a JA |
1575 | static int exynos3250_jpeg_try_downscale(struct s5p_jpeg_ctx *ctx, |
1576 | struct v4l2_rect *r); | |
1577 | ||
bb677f3a AP |
1578 | static int s5p_jpeg_s_fmt(struct s5p_jpeg_ctx *ct, struct v4l2_format *f) |
1579 | { | |
1580 | struct vb2_queue *vq; | |
1581 | struct s5p_jpeg_q_data *q_data = NULL; | |
1582 | struct v4l2_pix_format *pix = &f->fmt.pix; | |
4a30d30b | 1583 | struct v4l2_ctrl *ctrl_subs; |
5a71671a | 1584 | struct v4l2_rect scale_rect; |
80529ae5 | 1585 | unsigned int f_type; |
bb677f3a | 1586 | |
718cf4a9 | 1587 | vq = v4l2_m2m_get_vq(ct->fh.m2m_ctx, f->type); |
bb677f3a AP |
1588 | if (!vq) |
1589 | return -EINVAL; | |
1590 | ||
1591 | q_data = get_q_data(ct, f->type); | |
1592 | BUG_ON(q_data == NULL); | |
1593 | ||
1594 | if (vb2_is_busy(vq)) { | |
1595 | v4l2_err(&ct->jpeg->v4l2_dev, "%s queue busy\n", __func__); | |
1596 | return -EBUSY; | |
1597 | } | |
1598 | ||
80529ae5 JA |
1599 | f_type = V4L2_TYPE_IS_OUTPUT(f->type) ? |
1600 | FMT_TYPE_OUTPUT : FMT_TYPE_CAPTURE; | |
1601 | ||
1602 | q_data->fmt = s5p_jpeg_find_format(ct, pix->pixelformat, f_type); | |
bb677f3a AP |
1603 | q_data->w = pix->width; |
1604 | q_data->h = pix->height; | |
b2254d6f JA |
1605 | if (q_data->fmt->fourcc != V4L2_PIX_FMT_JPEG) { |
1606 | /* | |
1607 | * During encoding Exynos4x12 SoCs access wider memory area | |
1608 | * than it results from Image_x and Image_y values written to | |
1609 | * the JPEG_IMAGE_SIZE register. In order to avoid sysmmu | |
1610 | * page fault calculate proper buffer size in such a case. | |
1611 | */ | |
6c96dbbc | 1612 | if (ct->jpeg->variant->hw_ex4_compat && |
b2254d6f JA |
1613 | f_type == FMT_TYPE_OUTPUT && ct->mode == S5P_JPEG_ENCODE) |
1614 | q_data->size = exynos4_jpeg_get_output_buffer_size(ct, | |
1615 | f, | |
1616 | q_data->fmt->depth); | |
1617 | else | |
1618 | q_data->size = q_data->w * q_data->h * | |
1619 | q_data->fmt->depth >> 3; | |
1620 | } else { | |
bb677f3a | 1621 | q_data->size = pix->sizeimage; |
b2254d6f | 1622 | } |
bb677f3a | 1623 | |
4a30d30b JA |
1624 | if (f_type == FMT_TYPE_OUTPUT) { |
1625 | ctrl_subs = v4l2_ctrl_find(&ct->ctrl_handler, | |
1626 | V4L2_CID_JPEG_CHROMA_SUBSAMPLING); | |
1627 | if (ctrl_subs) | |
1628 | v4l2_ctrl_s_ctrl(ctrl_subs, q_data->fmt->subsampling); | |
dfd96900 JA |
1629 | ct->crop_altered = false; |
1630 | } | |
1631 | ||
1632 | /* | |
1633 | * For decoding init crop_rect with capture buffer dimmensions which | |
1634 | * contain aligned dimensions of the input JPEG image and do it only | |
1635 | * if crop rectangle hasn't been altered by the user space e.g. with | |
1636 | * S_SELECTION ioctl. For encoding assign output buffer dimensions. | |
1637 | */ | |
1638 | if (!ct->crop_altered && | |
1639 | ((ct->mode == S5P_JPEG_DECODE && f_type == FMT_TYPE_CAPTURE) || | |
1640 | (ct->mode == S5P_JPEG_ENCODE && f_type == FMT_TYPE_OUTPUT))) { | |
1641 | ct->crop_rect.width = pix->width; | |
1642 | ct->crop_rect.height = pix->height; | |
1643 | } | |
5a71671a JA |
1644 | |
1645 | /* | |
1646 | * Prevent downscaling to YUV420 format by more than 2 | |
7c15fd4b | 1647 | * for Exynos3250/compatible SoC as it produces broken raw image |
5a71671a JA |
1648 | * in such cases. |
1649 | */ | |
1650 | if (ct->mode == S5P_JPEG_DECODE && | |
1651 | f_type == FMT_TYPE_CAPTURE && | |
7c15fd4b | 1652 | ct->jpeg->variant->hw3250_compat && |
5a71671a JA |
1653 | pix->pixelformat == V4L2_PIX_FMT_YUV420 && |
1654 | ct->scale_factor > 2) { | |
1655 | scale_rect.width = ct->out_q.w / 2; | |
1656 | scale_rect.height = ct->out_q.h / 2; | |
1657 | exynos3250_jpeg_try_downscale(ct, &scale_rect); | |
4a30d30b JA |
1658 | } |
1659 | ||
bb677f3a AP |
1660 | return 0; |
1661 | } | |
1662 | ||
1663 | static int s5p_jpeg_s_fmt_vid_cap(struct file *file, void *priv, | |
1664 | struct v4l2_format *f) | |
1665 | { | |
1666 | int ret; | |
1667 | ||
1668 | ret = s5p_jpeg_try_fmt_vid_cap(file, priv, f); | |
1669 | if (ret) | |
1670 | return ret; | |
1671 | ||
275de24d | 1672 | return s5p_jpeg_s_fmt(fh_to_ctx(priv), f); |
bb677f3a AP |
1673 | } |
1674 | ||
1675 | static int s5p_jpeg_s_fmt_vid_out(struct file *file, void *priv, | |
1676 | struct v4l2_format *f) | |
1677 | { | |
1678 | int ret; | |
1679 | ||
1680 | ret = s5p_jpeg_try_fmt_vid_out(file, priv, f); | |
1681 | if (ret) | |
1682 | return ret; | |
1683 | ||
275de24d | 1684 | return s5p_jpeg_s_fmt(fh_to_ctx(priv), f); |
bb677f3a AP |
1685 | } |
1686 | ||
3246fdaa JA |
1687 | static int exynos3250_jpeg_try_downscale(struct s5p_jpeg_ctx *ctx, |
1688 | struct v4l2_rect *r) | |
1689 | { | |
1690 | int w_ratio, h_ratio, scale_factor, cur_ratio, i; | |
1691 | ||
1692 | w_ratio = ctx->out_q.w / r->width; | |
1693 | h_ratio = ctx->out_q.h / r->height; | |
1694 | ||
1695 | scale_factor = w_ratio > h_ratio ? w_ratio : h_ratio; | |
1696 | scale_factor = clamp_val(scale_factor, 1, 8); | |
1697 | ||
1698 | /* Align scale ratio to the nearest power of 2 */ | |
1699 | for (i = 0; i <= 3; ++i) { | |
1700 | cur_ratio = 1 << i; | |
1701 | if (scale_factor <= cur_ratio) { | |
1702 | ctx->scale_factor = cur_ratio; | |
1703 | break; | |
1704 | } | |
1705 | } | |
1706 | ||
1707 | r->width = round_down(ctx->out_q.w / ctx->scale_factor, 2); | |
1708 | r->height = round_down(ctx->out_q.h / ctx->scale_factor, 2); | |
1709 | ||
1710 | ctx->crop_rect.width = r->width; | |
1711 | ctx->crop_rect.height = r->height; | |
1712 | ctx->crop_rect.left = 0; | |
1713 | ctx->crop_rect.top = 0; | |
1714 | ||
1715 | ctx->crop_altered = true; | |
1716 | ||
1717 | return 0; | |
1718 | } | |
1719 | ||
1720 | /* Return 1 if rectangle a is enclosed in rectangle b, or 0 otherwise. */ | |
1721 | static int enclosed_rectangle(struct v4l2_rect *a, struct v4l2_rect *b) | |
1722 | { | |
1723 | if (a->left < b->left || a->top < b->top) | |
1724 | return 0; | |
1725 | if (a->left + a->width > b->left + b->width) | |
1726 | return 0; | |
1727 | if (a->top + a->height > b->top + b->height) | |
1728 | return 0; | |
1729 | ||
1730 | return 1; | |
1731 | } | |
1732 | ||
1733 | static int exynos3250_jpeg_try_crop(struct s5p_jpeg_ctx *ctx, | |
1734 | struct v4l2_rect *r) | |
1735 | { | |
1736 | struct v4l2_rect base_rect; | |
1737 | int w_step, h_step; | |
1738 | ||
1739 | switch (ctx->cap_q.fmt->fourcc) { | |
1740 | case V4L2_PIX_FMT_NV12: | |
1741 | case V4L2_PIX_FMT_NV21: | |
1742 | w_step = 1; | |
1743 | h_step = 2; | |
1744 | break; | |
1745 | case V4L2_PIX_FMT_YUV420: | |
1746 | w_step = 2; | |
1747 | h_step = 2; | |
1748 | break; | |
1749 | default: | |
1750 | w_step = 1; | |
1751 | h_step = 1; | |
1752 | break; | |
1753 | } | |
1754 | ||
1755 | base_rect.top = 0; | |
1756 | base_rect.left = 0; | |
1757 | base_rect.width = ctx->out_q.w; | |
1758 | base_rect.height = ctx->out_q.h; | |
1759 | ||
1760 | r->width = round_down(r->width, w_step); | |
1761 | r->height = round_down(r->height, h_step); | |
1762 | r->left = round_down(r->left, 2); | |
1763 | r->top = round_down(r->top, 2); | |
1764 | ||
1765 | if (!enclosed_rectangle(r, &base_rect)) | |
1766 | return -EINVAL; | |
1767 | ||
1768 | ctx->crop_rect.left = r->left; | |
1769 | ctx->crop_rect.top = r->top; | |
1770 | ctx->crop_rect.width = r->width; | |
1771 | ctx->crop_rect.height = r->height; | |
1772 | ||
1773 | ctx->crop_altered = true; | |
1774 | ||
1775 | return 0; | |
1776 | } | |
1777 | ||
1778 | /* | |
1779 | * V4L2 controls | |
1780 | */ | |
1781 | ||
9f3bd320 | 1782 | static int s5p_jpeg_g_selection(struct file *file, void *priv, |
bb677f3a AP |
1783 | struct v4l2_selection *s) |
1784 | { | |
275de24d | 1785 | struct s5p_jpeg_ctx *ctx = fh_to_ctx(priv); |
bb677f3a AP |
1786 | |
1787 | if (s->type != V4L2_BUF_TYPE_VIDEO_OUTPUT && | |
38a6ef33 | 1788 | s->type != V4L2_BUF_TYPE_VIDEO_CAPTURE) |
bb677f3a AP |
1789 | return -EINVAL; |
1790 | ||
1791 | /* For JPEG blob active == default == bounds */ | |
1792 | switch (s->target) { | |
c1334823 | 1793 | case V4L2_SEL_TGT_CROP: |
bb677f3a AP |
1794 | case V4L2_SEL_TGT_CROP_BOUNDS: |
1795 | case V4L2_SEL_TGT_CROP_DEFAULT: | |
bb677f3a AP |
1796 | case V4L2_SEL_TGT_COMPOSE_DEFAULT: |
1797 | s->r.width = ctx->out_q.w; | |
1798 | s->r.height = ctx->out_q.h; | |
fac4d961 JA |
1799 | s->r.left = 0; |
1800 | s->r.top = 0; | |
bb677f3a | 1801 | break; |
fac4d961 | 1802 | case V4L2_SEL_TGT_COMPOSE: |
bb677f3a AP |
1803 | case V4L2_SEL_TGT_COMPOSE_BOUNDS: |
1804 | case V4L2_SEL_TGT_COMPOSE_PADDED: | |
fac4d961 JA |
1805 | s->r.width = ctx->crop_rect.width; |
1806 | s->r.height = ctx->crop_rect.height; | |
1807 | s->r.left = ctx->crop_rect.left; | |
1808 | s->r.top = ctx->crop_rect.top; | |
bb677f3a AP |
1809 | break; |
1810 | default: | |
1811 | return -EINVAL; | |
1812 | } | |
bb677f3a AP |
1813 | return 0; |
1814 | } | |
1815 | ||
15f4bc3b SN |
1816 | /* |
1817 | * V4L2 controls | |
1818 | */ | |
3246fdaa JA |
1819 | static int s5p_jpeg_s_selection(struct file *file, void *fh, |
1820 | struct v4l2_selection *s) | |
1821 | { | |
1822 | struct s5p_jpeg_ctx *ctx = fh_to_ctx(file->private_data); | |
1823 | struct v4l2_rect *rect = &s->r; | |
1824 | int ret = -EINVAL; | |
1825 | ||
1826 | if (s->type != V4L2_BUF_TYPE_VIDEO_CAPTURE) | |
1827 | return -EINVAL; | |
1828 | ||
1829 | if (s->target == V4L2_SEL_TGT_COMPOSE) { | |
1830 | if (ctx->mode != S5P_JPEG_DECODE) | |
1831 | return -EINVAL; | |
7c15fd4b | 1832 | if (ctx->jpeg->variant->hw3250_compat) |
3246fdaa JA |
1833 | ret = exynos3250_jpeg_try_downscale(ctx, rect); |
1834 | } else if (s->target == V4L2_SEL_TGT_CROP) { | |
1835 | if (ctx->mode != S5P_JPEG_ENCODE) | |
1836 | return -EINVAL; | |
7c15fd4b | 1837 | if (ctx->jpeg->variant->hw3250_compat) |
3246fdaa JA |
1838 | ret = exynos3250_jpeg_try_crop(ctx, rect); |
1839 | } | |
1840 | ||
1841 | return ret; | |
1842 | } | |
15f4bc3b SN |
1843 | |
1844 | static int s5p_jpeg_g_volatile_ctrl(struct v4l2_ctrl *ctrl) | |
bb677f3a | 1845 | { |
15f4bc3b SN |
1846 | struct s5p_jpeg_ctx *ctx = ctrl_to_ctx(ctrl); |
1847 | struct s5p_jpeg *jpeg = ctx->jpeg; | |
1848 | unsigned long flags; | |
bb677f3a | 1849 | |
15f4bc3b SN |
1850 | switch (ctrl->id) { |
1851 | case V4L2_CID_JPEG_CHROMA_SUBSAMPLING: | |
1852 | spin_lock_irqsave(&jpeg->slock, flags); | |
303b0a96 | 1853 | ctrl->val = s5p_jpeg_to_user_subsampling(ctx); |
15f4bc3b SN |
1854 | spin_unlock_irqrestore(&jpeg->slock, flags); |
1855 | break; | |
1856 | } | |
bb677f3a AP |
1857 | |
1858 | return 0; | |
1859 | } | |
1860 | ||
39c344c4 | 1861 | static int s5p_jpeg_adjust_subs_ctrl(struct s5p_jpeg_ctx *ctx, int *ctrl_val) |
11fbea3e | 1862 | { |
39c344c4 JA |
1863 | switch (ctx->jpeg->variant->version) { |
1864 | case SJPEG_S5P: | |
1865 | return 0; | |
1866 | case SJPEG_EXYNOS3250: | |
7c15fd4b | 1867 | case SJPEG_EXYNOS5420: |
39c344c4 | 1868 | /* |
7c15fd4b | 1869 | * The exynos3250/compatible device can produce JPEG image only |
39c344c4 JA |
1870 | * of 4:4:4 subsampling when given RGB32 source image. |
1871 | */ | |
1872 | if (ctx->out_q.fmt->fourcc == V4L2_PIX_FMT_RGB32) | |
1873 | *ctrl_val = 0; | |
1874 | break; | |
1875 | case SJPEG_EXYNOS4: | |
11fbea3e JA |
1876 | /* |
1877 | * The exynos4x12 device requires input raw image fourcc | |
1878 | * to be V4L2_PIX_FMT_GREY if gray jpeg format | |
1879 | * is to be set. | |
1880 | */ | |
1881 | if (ctx->out_q.fmt->fourcc != V4L2_PIX_FMT_GREY && | |
39c344c4 JA |
1882 | *ctrl_val == V4L2_JPEG_CHROMA_SUBSAMPLING_GRAY) |
1883 | return -EINVAL; | |
1884 | break; | |
11fbea3e JA |
1885 | } |
1886 | ||
39c344c4 | 1887 | /* |
7c15fd4b | 1888 | * The exynos4x12 and exynos3250/compatible devices require resulting |
39c344c4 JA |
1889 | * jpeg subsampling not to be lower than the input raw image |
1890 | * subsampling. | |
1891 | */ | |
1892 | if (ctx->out_q.fmt->subsampling > *ctrl_val) | |
1893 | *ctrl_val = ctx->out_q.fmt->subsampling; | |
1894 | ||
1895 | return 0; | |
1896 | } | |
1897 | ||
1898 | static int s5p_jpeg_try_ctrl(struct v4l2_ctrl *ctrl) | |
1899 | { | |
1900 | struct s5p_jpeg_ctx *ctx = ctrl_to_ctx(ctrl); | |
1901 | unsigned long flags; | |
1902 | int ret = 0; | |
1903 | ||
1904 | spin_lock_irqsave(&ctx->jpeg->slock, flags); | |
1905 | ||
1906 | if (ctrl->id == V4L2_CID_JPEG_CHROMA_SUBSAMPLING) | |
1907 | ret = s5p_jpeg_adjust_subs_ctrl(ctx, &ctrl->val); | |
1908 | ||
11fbea3e JA |
1909 | spin_unlock_irqrestore(&ctx->jpeg->slock, flags); |
1910 | return ret; | |
1911 | } | |
1912 | ||
15f4bc3b | 1913 | static int s5p_jpeg_s_ctrl(struct v4l2_ctrl *ctrl) |
bb677f3a | 1914 | { |
15f4bc3b SN |
1915 | struct s5p_jpeg_ctx *ctx = ctrl_to_ctx(ctrl); |
1916 | unsigned long flags; | |
bb677f3a | 1917 | |
15f4bc3b | 1918 | spin_lock_irqsave(&ctx->jpeg->slock, flags); |
bb677f3a | 1919 | |
15f4bc3b SN |
1920 | switch (ctrl->id) { |
1921 | case V4L2_CID_JPEG_COMPRESSION_QUALITY: | |
78e5a3ce | 1922 | ctx->compr_quality = ctrl->val; |
15f4bc3b SN |
1923 | break; |
1924 | case V4L2_CID_JPEG_RESTART_INTERVAL: | |
1925 | ctx->restart_interval = ctrl->val; | |
1926 | break; | |
1927 | case V4L2_CID_JPEG_CHROMA_SUBSAMPLING: | |
1928 | ctx->subsampling = ctrl->val; | |
1929 | break; | |
1930 | } | |
1931 | ||
1932 | spin_unlock_irqrestore(&ctx->jpeg->slock, flags); | |
1933 | return 0; | |
1934 | } | |
1935 | ||
1936 | static const struct v4l2_ctrl_ops s5p_jpeg_ctrl_ops = { | |
1937 | .g_volatile_ctrl = s5p_jpeg_g_volatile_ctrl, | |
11fbea3e | 1938 | .try_ctrl = s5p_jpeg_try_ctrl, |
15f4bc3b SN |
1939 | .s_ctrl = s5p_jpeg_s_ctrl, |
1940 | }; | |
1941 | ||
1942 | static int s5p_jpeg_controls_create(struct s5p_jpeg_ctx *ctx) | |
1943 | { | |
1944 | unsigned int mask = ~0x27; /* 444, 422, 420, GRAY */ | |
1945 | struct v4l2_ctrl *ctrl; | |
088f8300 | 1946 | int ret; |
15f4bc3b SN |
1947 | |
1948 | v4l2_ctrl_handler_init(&ctx->ctrl_handler, 3); | |
bb677f3a | 1949 | |
15f4bc3b SN |
1950 | if (ctx->mode == S5P_JPEG_ENCODE) { |
1951 | v4l2_ctrl_new_std(&ctx->ctrl_handler, &s5p_jpeg_ctrl_ops, | |
1952 | V4L2_CID_JPEG_COMPRESSION_QUALITY, | |
78e5a3ce | 1953 | 0, 3, 1, S5P_JPEG_COMPR_QUAL_WORST); |
15f4bc3b SN |
1954 | |
1955 | v4l2_ctrl_new_std(&ctx->ctrl_handler, &s5p_jpeg_ctrl_ops, | |
1956 | V4L2_CID_JPEG_RESTART_INTERVAL, | |
1957 | 0, 3, 0xffff, 0); | |
fdf9e2bc JA |
1958 | if (ctx->jpeg->variant->version == SJPEG_S5P) |
1959 | mask = ~0x06; /* 422, 420 */ | |
15f4bc3b SN |
1960 | } |
1961 | ||
1962 | ctrl = v4l2_ctrl_new_std_menu(&ctx->ctrl_handler, &s5p_jpeg_ctrl_ops, | |
1963 | V4L2_CID_JPEG_CHROMA_SUBSAMPLING, | |
1964 | V4L2_JPEG_CHROMA_SUBSAMPLING_GRAY, mask, | |
1965 | V4L2_JPEG_CHROMA_SUBSAMPLING_422); | |
bb677f3a | 1966 | |
088f8300 JA |
1967 | if (ctx->ctrl_handler.error) { |
1968 | ret = ctx->ctrl_handler.error; | |
1969 | goto error_free; | |
1970 | } | |
15f4bc3b SN |
1971 | |
1972 | if (ctx->mode == S5P_JPEG_DECODE) | |
1973 | ctrl->flags |= V4L2_CTRL_FLAG_VOLATILE | | |
1974 | V4L2_CTRL_FLAG_READ_ONLY; | |
088f8300 JA |
1975 | |
1976 | ret = v4l2_ctrl_handler_setup(&ctx->ctrl_handler); | |
1977 | if (ret < 0) | |
1978 | goto error_free; | |
1979 | ||
1980 | return ret; | |
1981 | ||
1982 | error_free: | |
1983 | v4l2_ctrl_handler_free(&ctx->ctrl_handler); | |
1984 | return ret; | |
bb677f3a AP |
1985 | } |
1986 | ||
1987 | static const struct v4l2_ioctl_ops s5p_jpeg_ioctl_ops = { | |
1988 | .vidioc_querycap = s5p_jpeg_querycap, | |
1989 | ||
1990 | .vidioc_enum_fmt_vid_cap = s5p_jpeg_enum_fmt_vid_cap, | |
1991 | .vidioc_enum_fmt_vid_out = s5p_jpeg_enum_fmt_vid_out, | |
1992 | ||
1993 | .vidioc_g_fmt_vid_cap = s5p_jpeg_g_fmt, | |
1994 | .vidioc_g_fmt_vid_out = s5p_jpeg_g_fmt, | |
1995 | ||
1996 | .vidioc_try_fmt_vid_cap = s5p_jpeg_try_fmt_vid_cap, | |
1997 | .vidioc_try_fmt_vid_out = s5p_jpeg_try_fmt_vid_out, | |
1998 | ||
1999 | .vidioc_s_fmt_vid_cap = s5p_jpeg_s_fmt_vid_cap, | |
2000 | .vidioc_s_fmt_vid_out = s5p_jpeg_s_fmt_vid_out, | |
2001 | ||
718cf4a9 SN |
2002 | .vidioc_reqbufs = v4l2_m2m_ioctl_reqbufs, |
2003 | .vidioc_querybuf = v4l2_m2m_ioctl_querybuf, | |
2004 | .vidioc_qbuf = v4l2_m2m_ioctl_qbuf, | |
2005 | .vidioc_dqbuf = v4l2_m2m_ioctl_dqbuf, | |
bb677f3a | 2006 | |
718cf4a9 SN |
2007 | .vidioc_streamon = v4l2_m2m_ioctl_streamon, |
2008 | .vidioc_streamoff = v4l2_m2m_ioctl_streamoff, | |
bb677f3a AP |
2009 | |
2010 | .vidioc_g_selection = s5p_jpeg_g_selection, | |
3246fdaa | 2011 | .vidioc_s_selection = s5p_jpeg_s_selection, |
bb677f3a AP |
2012 | }; |
2013 | ||
2014 | /* | |
2015 | * ============================================================================ | |
2016 | * mem2mem callbacks | |
2017 | * ============================================================================ | |
2018 | */ | |
2019 | ||
2020 | static void s5p_jpeg_device_run(void *priv) | |
2021 | { | |
2022 | struct s5p_jpeg_ctx *ctx = priv; | |
2023 | struct s5p_jpeg *jpeg = ctx->jpeg; | |
2024 | struct vb2_buffer *src_buf, *dst_buf; | |
b3c932a9 JA |
2025 | unsigned long src_addr, dst_addr, flags; |
2026 | ||
2027 | spin_lock_irqsave(&ctx->jpeg->slock, flags); | |
bb677f3a | 2028 | |
718cf4a9 SN |
2029 | src_buf = v4l2_m2m_next_src_buf(ctx->fh.m2m_ctx); |
2030 | dst_buf = v4l2_m2m_next_dst_buf(ctx->fh.m2m_ctx); | |
bb677f3a AP |
2031 | src_addr = vb2_dma_contig_plane_dma_addr(src_buf, 0); |
2032 | dst_addr = vb2_dma_contig_plane_dma_addr(dst_buf, 0); | |
2033 | ||
9f7b62d9 JA |
2034 | s5p_jpeg_reset(jpeg->regs); |
2035 | s5p_jpeg_poweron(jpeg->regs); | |
2036 | s5p_jpeg_proc_mode(jpeg->regs, ctx->mode); | |
bb677f3a AP |
2037 | if (ctx->mode == S5P_JPEG_ENCODE) { |
2038 | if (ctx->out_q.fmt->fourcc == V4L2_PIX_FMT_RGB565) | |
9f7b62d9 JA |
2039 | s5p_jpeg_input_raw_mode(jpeg->regs, |
2040 | S5P_JPEG_RAW_IN_565); | |
bb677f3a | 2041 | else |
9f7b62d9 JA |
2042 | s5p_jpeg_input_raw_mode(jpeg->regs, |
2043 | S5P_JPEG_RAW_IN_422); | |
2044 | s5p_jpeg_subsampling_mode(jpeg->regs, ctx->subsampling); | |
2045 | s5p_jpeg_dri(jpeg->regs, ctx->restart_interval); | |
2046 | s5p_jpeg_x(jpeg->regs, ctx->out_q.w); | |
2047 | s5p_jpeg_y(jpeg->regs, ctx->out_q.h); | |
2048 | s5p_jpeg_imgadr(jpeg->regs, src_addr); | |
2049 | s5p_jpeg_jpgadr(jpeg->regs, dst_addr); | |
bb677f3a AP |
2050 | |
2051 | /* ultimately comes from sizeimage from userspace */ | |
9f7b62d9 | 2052 | s5p_jpeg_enc_stream_int(jpeg->regs, ctx->cap_q.size); |
bb677f3a AP |
2053 | |
2054 | /* JPEG RGB to YCbCr conversion matrix */ | |
9f7b62d9 JA |
2055 | s5p_jpeg_coef(jpeg->regs, 1, 1, S5P_JPEG_COEF11); |
2056 | s5p_jpeg_coef(jpeg->regs, 1, 2, S5P_JPEG_COEF12); | |
2057 | s5p_jpeg_coef(jpeg->regs, 1, 3, S5P_JPEG_COEF13); | |
2058 | s5p_jpeg_coef(jpeg->regs, 2, 1, S5P_JPEG_COEF21); | |
2059 | s5p_jpeg_coef(jpeg->regs, 2, 2, S5P_JPEG_COEF22); | |
2060 | s5p_jpeg_coef(jpeg->regs, 2, 3, S5P_JPEG_COEF23); | |
2061 | s5p_jpeg_coef(jpeg->regs, 3, 1, S5P_JPEG_COEF31); | |
2062 | s5p_jpeg_coef(jpeg->regs, 3, 2, S5P_JPEG_COEF32); | |
2063 | s5p_jpeg_coef(jpeg->regs, 3, 3, S5P_JPEG_COEF33); | |
bb677f3a AP |
2064 | |
2065 | /* | |
2066 | * JPEG IP allows storing 4 quantization tables | |
2067 | * We fill table 0 for luma and table 1 for chroma | |
2068 | */ | |
31dc0ac0 JA |
2069 | s5p_jpeg_set_qtbl_lum(jpeg->regs, ctx->compr_quality); |
2070 | s5p_jpeg_set_qtbl_chr(jpeg->regs, ctx->compr_quality); | |
bb677f3a | 2071 | /* use table 0 for Y */ |
9f7b62d9 | 2072 | s5p_jpeg_qtbl(jpeg->regs, 1, 0); |
bb677f3a | 2073 | /* use table 1 for Cb and Cr*/ |
9f7b62d9 JA |
2074 | s5p_jpeg_qtbl(jpeg->regs, 2, 1); |
2075 | s5p_jpeg_qtbl(jpeg->regs, 3, 1); | |
bb677f3a AP |
2076 | |
2077 | /* Y, Cb, Cr use Huffman table 0 */ | |
9f7b62d9 JA |
2078 | s5p_jpeg_htbl_ac(jpeg->regs, 1); |
2079 | s5p_jpeg_htbl_dc(jpeg->regs, 1); | |
2080 | s5p_jpeg_htbl_ac(jpeg->regs, 2); | |
2081 | s5p_jpeg_htbl_dc(jpeg->regs, 2); | |
2082 | s5p_jpeg_htbl_ac(jpeg->regs, 3); | |
2083 | s5p_jpeg_htbl_dc(jpeg->regs, 3); | |
fb6f8c02 | 2084 | } else { /* S5P_JPEG_DECODE */ |
9f7b62d9 JA |
2085 | s5p_jpeg_rst_int_enable(jpeg->regs, true); |
2086 | s5p_jpeg_data_num_int_enable(jpeg->regs, true); | |
2087 | s5p_jpeg_final_mcu_num_int_enable(jpeg->regs, true); | |
fb6f8c02 | 2088 | if (ctx->cap_q.fmt->fourcc == V4L2_PIX_FMT_YUYV) |
9f7b62d9 | 2089 | s5p_jpeg_outform_raw(jpeg->regs, S5P_JPEG_RAW_OUT_422); |
fb6f8c02 | 2090 | else |
9f7b62d9 JA |
2091 | s5p_jpeg_outform_raw(jpeg->regs, S5P_JPEG_RAW_OUT_420); |
2092 | s5p_jpeg_jpgadr(jpeg->regs, src_addr); | |
2093 | s5p_jpeg_imgadr(jpeg->regs, dst_addr); | |
bb677f3a | 2094 | } |
15f4bc3b | 2095 | |
9f7b62d9 | 2096 | s5p_jpeg_start(jpeg->regs); |
b3c932a9 JA |
2097 | |
2098 | spin_unlock_irqrestore(&ctx->jpeg->slock, flags); | |
bb677f3a AP |
2099 | } |
2100 | ||
80529ae5 JA |
2101 | static void exynos4_jpeg_set_img_addr(struct s5p_jpeg_ctx *ctx) |
2102 | { | |
2103 | struct s5p_jpeg *jpeg = ctx->jpeg; | |
2104 | struct s5p_jpeg_fmt *fmt; | |
2105 | struct vb2_buffer *vb; | |
12b05566 | 2106 | struct s5p_jpeg_addr jpeg_addr = {}; |
80529ae5 JA |
2107 | u32 pix_size, padding_bytes = 0; |
2108 | ||
cb0c3f5f TN |
2109 | jpeg_addr.cb = 0; |
2110 | jpeg_addr.cr = 0; | |
2111 | ||
80529ae5 JA |
2112 | pix_size = ctx->cap_q.w * ctx->cap_q.h; |
2113 | ||
2114 | if (ctx->mode == S5P_JPEG_ENCODE) { | |
2115 | vb = v4l2_m2m_next_src_buf(ctx->fh.m2m_ctx); | |
2116 | fmt = ctx->out_q.fmt; | |
2117 | if (ctx->out_q.w % 2 && fmt->h_align > 0) | |
2118 | padding_bytes = ctx->out_q.h; | |
2119 | } else { | |
2120 | fmt = ctx->cap_q.fmt; | |
2121 | vb = v4l2_m2m_next_dst_buf(ctx->fh.m2m_ctx); | |
2122 | } | |
2123 | ||
2124 | jpeg_addr.y = vb2_dma_contig_plane_dma_addr(vb, 0); | |
2125 | ||
2126 | if (fmt->colplanes == 2) { | |
2127 | jpeg_addr.cb = jpeg_addr.y + pix_size - padding_bytes; | |
2128 | } else if (fmt->colplanes == 3) { | |
2129 | jpeg_addr.cb = jpeg_addr.y + pix_size; | |
2130 | if (fmt->fourcc == V4L2_PIX_FMT_YUV420) | |
2131 | jpeg_addr.cr = jpeg_addr.cb + pix_size / 4; | |
2132 | else | |
2133 | jpeg_addr.cr = jpeg_addr.cb + pix_size / 2; | |
2134 | } | |
2135 | ||
2136 | exynos4_jpeg_set_frame_buf_address(jpeg->regs, &jpeg_addr); | |
2137 | } | |
2138 | ||
2139 | static void exynos4_jpeg_set_jpeg_addr(struct s5p_jpeg_ctx *ctx) | |
2140 | { | |
2141 | struct s5p_jpeg *jpeg = ctx->jpeg; | |
2142 | struct vb2_buffer *vb; | |
2143 | unsigned int jpeg_addr = 0; | |
2144 | ||
2145 | if (ctx->mode == S5P_JPEG_ENCODE) | |
2146 | vb = v4l2_m2m_next_dst_buf(ctx->fh.m2m_ctx); | |
2147 | else | |
2148 | vb = v4l2_m2m_next_src_buf(ctx->fh.m2m_ctx); | |
2149 | ||
2150 | jpeg_addr = vb2_dma_contig_plane_dma_addr(vb, 0); | |
6c96dbbc AP |
2151 | if (jpeg->variant->version == SJPEG_EXYNOS5433 && |
2152 | ctx->mode == S5P_JPEG_DECODE) | |
2153 | jpeg_addr += ctx->out_q.sos; | |
80529ae5 JA |
2154 | exynos4_jpeg_set_stream_buf_address(jpeg->regs, jpeg_addr); |
2155 | } | |
2156 | ||
6c96dbbc AP |
2157 | static inline void exynos4_jpeg_set_img_fmt(void __iomem *base, |
2158 | unsigned int img_fmt) | |
2159 | { | |
2160 | __exynos4_jpeg_set_img_fmt(base, img_fmt, SJPEG_EXYNOS4); | |
2161 | } | |
2162 | ||
2163 | static inline void exynos5433_jpeg_set_img_fmt(void __iomem *base, | |
2164 | unsigned int img_fmt) | |
2165 | { | |
2166 | __exynos4_jpeg_set_img_fmt(base, img_fmt, SJPEG_EXYNOS5433); | |
2167 | } | |
2168 | ||
2169 | static inline void exynos4_jpeg_set_enc_out_fmt(void __iomem *base, | |
2170 | unsigned int out_fmt) | |
2171 | { | |
2172 | __exynos4_jpeg_set_enc_out_fmt(base, out_fmt, SJPEG_EXYNOS4); | |
2173 | } | |
2174 | ||
2175 | static inline void exynos5433_jpeg_set_enc_out_fmt(void __iomem *base, | |
2176 | unsigned int out_fmt) | |
2177 | { | |
2178 | __exynos4_jpeg_set_enc_out_fmt(base, out_fmt, SJPEG_EXYNOS5433); | |
2179 | } | |
2180 | ||
80529ae5 JA |
2181 | static void exynos4_jpeg_device_run(void *priv) |
2182 | { | |
2183 | struct s5p_jpeg_ctx *ctx = priv; | |
2184 | struct s5p_jpeg *jpeg = ctx->jpeg; | |
2185 | unsigned int bitstream_size; | |
2186 | unsigned long flags; | |
2187 | ||
6c96dbbc | 2188 | spin_lock_irqsave(&jpeg->slock, flags); |
80529ae5 JA |
2189 | |
2190 | if (ctx->mode == S5P_JPEG_ENCODE) { | |
2191 | exynos4_jpeg_sw_reset(jpeg->regs); | |
6c96dbbc | 2192 | exynos4_jpeg_set_interrupt(jpeg->regs, jpeg->variant->version); |
80529ae5 JA |
2193 | exynos4_jpeg_set_huf_table_enable(jpeg->regs, 1); |
2194 | ||
2195 | exynos4_jpeg_set_huff_tbl(jpeg->regs); | |
2196 | ||
2197 | /* | |
2198 | * JPEG IP allows storing 4 quantization tables | |
2199 | * We fill table 0 for luma and table 1 for chroma | |
2200 | */ | |
2201 | exynos4_jpeg_set_qtbl_lum(jpeg->regs, ctx->compr_quality); | |
2202 | exynos4_jpeg_set_qtbl_chr(jpeg->regs, ctx->compr_quality); | |
2203 | ||
2204 | exynos4_jpeg_set_encode_tbl_select(jpeg->regs, | |
2205 | ctx->compr_quality); | |
2206 | exynos4_jpeg_set_stream_size(jpeg->regs, ctx->cap_q.w, | |
2207 | ctx->cap_q.h); | |
2208 | ||
6c96dbbc AP |
2209 | if (ctx->jpeg->variant->version == SJPEG_EXYNOS4) { |
2210 | exynos4_jpeg_set_enc_out_fmt(jpeg->regs, | |
2211 | ctx->subsampling); | |
2212 | exynos4_jpeg_set_img_fmt(jpeg->regs, | |
2213 | ctx->out_q.fmt->fourcc); | |
2214 | } else { | |
2215 | exynos5433_jpeg_set_enc_out_fmt(jpeg->regs, | |
2216 | ctx->subsampling); | |
2217 | exynos5433_jpeg_set_img_fmt(jpeg->regs, | |
2218 | ctx->out_q.fmt->fourcc); | |
2219 | } | |
80529ae5 JA |
2220 | exynos4_jpeg_set_img_addr(ctx); |
2221 | exynos4_jpeg_set_jpeg_addr(ctx); | |
2222 | exynos4_jpeg_set_encode_hoff_cnt(jpeg->regs, | |
2223 | ctx->out_q.fmt->fourcc); | |
2224 | } else { | |
2225 | exynos4_jpeg_sw_reset(jpeg->regs); | |
6c96dbbc AP |
2226 | exynos4_jpeg_set_interrupt(jpeg->regs, |
2227 | jpeg->variant->version); | |
80529ae5 JA |
2228 | exynos4_jpeg_set_img_addr(ctx); |
2229 | exynos4_jpeg_set_jpeg_addr(ctx); | |
80529ae5 | 2230 | |
6c96dbbc AP |
2231 | if (jpeg->variant->version == SJPEG_EXYNOS5433) { |
2232 | exynos4_jpeg_parse_huff_tbl(ctx); | |
2233 | exynos4_jpeg_parse_decode_h_tbl(ctx); | |
2234 | ||
2235 | exynos4_jpeg_parse_q_tbl(ctx); | |
2236 | exynos4_jpeg_parse_decode_q_tbl(ctx); | |
2237 | ||
2238 | exynos4_jpeg_set_huf_table_enable(jpeg->regs, 1); | |
2239 | ||
2240 | exynos4_jpeg_set_stream_size(jpeg->regs, ctx->cap_q.w, | |
2241 | ctx->cap_q.h); | |
2242 | exynos5433_jpeg_set_enc_out_fmt(jpeg->regs, | |
2243 | ctx->subsampling); | |
2244 | exynos5433_jpeg_set_img_fmt(jpeg->regs, | |
2245 | ctx->cap_q.fmt->fourcc); | |
2246 | bitstream_size = DIV_ROUND_UP(ctx->out_q.size, 16); | |
2247 | } else { | |
2248 | exynos4_jpeg_set_img_fmt(jpeg->regs, | |
2249 | ctx->cap_q.fmt->fourcc); | |
2250 | bitstream_size = DIV_ROUND_UP(ctx->out_q.size, 32); | |
2251 | } | |
80529ae5 JA |
2252 | |
2253 | exynos4_jpeg_set_dec_bitstream_size(jpeg->regs, bitstream_size); | |
2254 | } | |
2255 | ||
2256 | exynos4_jpeg_set_enc_dec_mode(jpeg->regs, ctx->mode); | |
2257 | ||
6c96dbbc | 2258 | spin_unlock_irqrestore(&jpeg->slock, flags); |
80529ae5 JA |
2259 | } |
2260 | ||
3246fdaa JA |
2261 | static void exynos3250_jpeg_set_img_addr(struct s5p_jpeg_ctx *ctx) |
2262 | { | |
2263 | struct s5p_jpeg *jpeg = ctx->jpeg; | |
2264 | struct s5p_jpeg_fmt *fmt; | |
2265 | struct vb2_buffer *vb; | |
12b05566 | 2266 | struct s5p_jpeg_addr jpeg_addr = {}; |
3246fdaa JA |
2267 | u32 pix_size; |
2268 | ||
2269 | pix_size = ctx->cap_q.w * ctx->cap_q.h; | |
2270 | ||
2271 | if (ctx->mode == S5P_JPEG_ENCODE) { | |
2272 | vb = v4l2_m2m_next_src_buf(ctx->fh.m2m_ctx); | |
2273 | fmt = ctx->out_q.fmt; | |
2274 | } else { | |
2275 | vb = v4l2_m2m_next_dst_buf(ctx->fh.m2m_ctx); | |
2276 | fmt = ctx->cap_q.fmt; | |
2277 | } | |
2278 | ||
2279 | jpeg_addr.y = vb2_dma_contig_plane_dma_addr(vb, 0); | |
2280 | ||
2281 | if (fmt->colplanes == 2) { | |
2282 | jpeg_addr.cb = jpeg_addr.y + pix_size; | |
2283 | } else if (fmt->colplanes == 3) { | |
2284 | jpeg_addr.cb = jpeg_addr.y + pix_size; | |
2285 | if (fmt->fourcc == V4L2_PIX_FMT_YUV420) | |
2286 | jpeg_addr.cr = jpeg_addr.cb + pix_size / 4; | |
2287 | else | |
2288 | jpeg_addr.cr = jpeg_addr.cb + pix_size / 2; | |
2289 | } | |
2290 | ||
2291 | exynos3250_jpeg_imgadr(jpeg->regs, &jpeg_addr); | |
2292 | } | |
2293 | ||
2294 | static void exynos3250_jpeg_set_jpeg_addr(struct s5p_jpeg_ctx *ctx) | |
2295 | { | |
2296 | struct s5p_jpeg *jpeg = ctx->jpeg; | |
2297 | struct vb2_buffer *vb; | |
2298 | unsigned int jpeg_addr = 0; | |
2299 | ||
2300 | if (ctx->mode == S5P_JPEG_ENCODE) | |
2301 | vb = v4l2_m2m_next_dst_buf(ctx->fh.m2m_ctx); | |
2302 | else | |
2303 | vb = v4l2_m2m_next_src_buf(ctx->fh.m2m_ctx); | |
2304 | ||
2305 | jpeg_addr = vb2_dma_contig_plane_dma_addr(vb, 0); | |
2306 | exynos3250_jpeg_jpgadr(jpeg->regs, jpeg_addr); | |
2307 | } | |
2308 | ||
2309 | static void exynos3250_jpeg_device_run(void *priv) | |
2310 | { | |
2311 | struct s5p_jpeg_ctx *ctx = priv; | |
2312 | struct s5p_jpeg *jpeg = ctx->jpeg; | |
2313 | unsigned long flags; | |
2314 | ||
2315 | spin_lock_irqsave(&ctx->jpeg->slock, flags); | |
2316 | ||
2317 | exynos3250_jpeg_reset(jpeg->regs); | |
2318 | exynos3250_jpeg_set_dma_num(jpeg->regs); | |
2319 | exynos3250_jpeg_poweron(jpeg->regs); | |
2320 | exynos3250_jpeg_clk_set(jpeg->regs); | |
2321 | exynos3250_jpeg_proc_mode(jpeg->regs, ctx->mode); | |
2322 | ||
2323 | if (ctx->mode == S5P_JPEG_ENCODE) { | |
2324 | exynos3250_jpeg_input_raw_fmt(jpeg->regs, | |
2325 | ctx->out_q.fmt->fourcc); | |
2326 | exynos3250_jpeg_dri(jpeg->regs, ctx->restart_interval); | |
2327 | ||
2328 | /* | |
2329 | * JPEG IP allows storing 4 quantization tables | |
2330 | * We fill table 0 for luma and table 1 for chroma | |
2331 | */ | |
2332 | s5p_jpeg_set_qtbl_lum(jpeg->regs, ctx->compr_quality); | |
2333 | s5p_jpeg_set_qtbl_chr(jpeg->regs, ctx->compr_quality); | |
2334 | /* use table 0 for Y */ | |
2335 | exynos3250_jpeg_qtbl(jpeg->regs, 1, 0); | |
2336 | /* use table 1 for Cb and Cr*/ | |
2337 | exynos3250_jpeg_qtbl(jpeg->regs, 2, 1); | |
2338 | exynos3250_jpeg_qtbl(jpeg->regs, 3, 1); | |
2339 | ||
7c15fd4b AP |
2340 | /* |
2341 | * Some SoCs require setting Huffman tables before each run | |
2342 | */ | |
2343 | if (jpeg->variant->htbl_reinit) { | |
2344 | s5p_jpeg_set_hdctbl(jpeg->regs); | |
2345 | s5p_jpeg_set_hdctblg(jpeg->regs); | |
2346 | s5p_jpeg_set_hactbl(jpeg->regs); | |
2347 | s5p_jpeg_set_hactblg(jpeg->regs); | |
2348 | } | |
2349 | ||
3246fdaa JA |
2350 | /* Y, Cb, Cr use Huffman table 0 */ |
2351 | exynos3250_jpeg_htbl_ac(jpeg->regs, 1); | |
2352 | exynos3250_jpeg_htbl_dc(jpeg->regs, 1); | |
2353 | exynos3250_jpeg_htbl_ac(jpeg->regs, 2); | |
2354 | exynos3250_jpeg_htbl_dc(jpeg->regs, 2); | |
2355 | exynos3250_jpeg_htbl_ac(jpeg->regs, 3); | |
2356 | exynos3250_jpeg_htbl_dc(jpeg->regs, 3); | |
2357 | ||
2358 | exynos3250_jpeg_set_x(jpeg->regs, ctx->crop_rect.width); | |
2359 | exynos3250_jpeg_set_y(jpeg->regs, ctx->crop_rect.height); | |
2360 | exynos3250_jpeg_stride(jpeg->regs, ctx->out_q.fmt->fourcc, | |
2361 | ctx->out_q.w); | |
2362 | exynos3250_jpeg_offset(jpeg->regs, ctx->crop_rect.left, | |
2363 | ctx->crop_rect.top); | |
2364 | exynos3250_jpeg_set_img_addr(ctx); | |
2365 | exynos3250_jpeg_set_jpeg_addr(ctx); | |
2366 | exynos3250_jpeg_subsampling_mode(jpeg->regs, ctx->subsampling); | |
2367 | ||
2368 | /* ultimately comes from sizeimage from userspace */ | |
2369 | exynos3250_jpeg_enc_stream_bound(jpeg->regs, ctx->cap_q.size); | |
2370 | ||
2371 | if (ctx->out_q.fmt->fourcc == V4L2_PIX_FMT_RGB565 || | |
2372 | ctx->out_q.fmt->fourcc == V4L2_PIX_FMT_RGB565X || | |
2373 | ctx->out_q.fmt->fourcc == V4L2_PIX_FMT_RGB32) | |
2374 | exynos3250_jpeg_set_y16(jpeg->regs, true); | |
2375 | } else { | |
2376 | exynos3250_jpeg_set_img_addr(ctx); | |
2377 | exynos3250_jpeg_set_jpeg_addr(ctx); | |
2378 | exynos3250_jpeg_stride(jpeg->regs, ctx->cap_q.fmt->fourcc, | |
2379 | ctx->cap_q.w); | |
2380 | exynos3250_jpeg_offset(jpeg->regs, 0, 0); | |
2381 | exynos3250_jpeg_dec_scaling_ratio(jpeg->regs, | |
2382 | ctx->scale_factor); | |
2383 | exynos3250_jpeg_dec_stream_size(jpeg->regs, ctx->out_q.size); | |
2384 | exynos3250_jpeg_output_raw_fmt(jpeg->regs, | |
2385 | ctx->cap_q.fmt->fourcc); | |
2386 | } | |
2387 | ||
2388 | exynos3250_jpeg_interrupts_enable(jpeg->regs); | |
2389 | ||
2390 | /* JPEG RGB to YCbCr conversion matrix */ | |
2391 | exynos3250_jpeg_coef(jpeg->regs, ctx->mode); | |
2392 | ||
2393 | exynos3250_jpeg_set_timer(jpeg->regs, EXYNOS3250_IRQ_TIMEOUT); | |
2394 | jpeg->irq_status = 0; | |
2395 | exynos3250_jpeg_start(jpeg->regs); | |
2396 | ||
2397 | spin_unlock_irqrestore(&ctx->jpeg->slock, flags); | |
2398 | } | |
2399 | ||
bb677f3a AP |
2400 | static int s5p_jpeg_job_ready(void *priv) |
2401 | { | |
2402 | struct s5p_jpeg_ctx *ctx = priv; | |
2403 | ||
2404 | if (ctx->mode == S5P_JPEG_DECODE) | |
2405 | return ctx->hdr_parsed; | |
2406 | return 1; | |
2407 | } | |
2408 | ||
2409 | static void s5p_jpeg_job_abort(void *priv) | |
2410 | { | |
2411 | } | |
2412 | ||
2413 | static struct v4l2_m2m_ops s5p_jpeg_m2m_ops = { | |
2414 | .device_run = s5p_jpeg_device_run, | |
2415 | .job_ready = s5p_jpeg_job_ready, | |
2416 | .job_abort = s5p_jpeg_job_abort, | |
3246fdaa JA |
2417 | }; |
2418 | ||
2419 | static struct v4l2_m2m_ops exynos3250_jpeg_m2m_ops = { | |
2420 | .device_run = exynos3250_jpeg_device_run, | |
2421 | .job_ready = s5p_jpeg_job_ready, | |
2422 | .job_abort = s5p_jpeg_job_abort, | |
2423 | }; | |
2424 | ||
bf689bb8 | 2425 | static struct v4l2_m2m_ops exynos4_jpeg_m2m_ops = { |
80529ae5 JA |
2426 | .device_run = exynos4_jpeg_device_run, |
2427 | .job_ready = s5p_jpeg_job_ready, | |
2428 | .job_abort = s5p_jpeg_job_abort, | |
bb677f3a AP |
2429 | }; |
2430 | ||
2431 | /* | |
2432 | * ============================================================================ | |
2433 | * Queue operations | |
2434 | * ============================================================================ | |
2435 | */ | |
2436 | ||
719c174e | 2437 | static int s5p_jpeg_queue_setup(struct vb2_queue *vq, |
719c174e | 2438 | unsigned int *nbuffers, unsigned int *nplanes, |
36c0f8b3 | 2439 | unsigned int sizes[], struct device *alloc_devs[]) |
bb677f3a AP |
2440 | { |
2441 | struct s5p_jpeg_ctx *ctx = vb2_get_drv_priv(vq); | |
2442 | struct s5p_jpeg_q_data *q_data = NULL; | |
2443 | unsigned int size, count = *nbuffers; | |
2444 | ||
2445 | q_data = get_q_data(ctx, vq->type); | |
2446 | BUG_ON(q_data == NULL); | |
2447 | ||
2448 | size = q_data->size; | |
2449 | ||
2450 | /* | |
2451 | * header is parsed during decoding and parsed information stored | |
2452 | * in the context so we do not allow another buffer to overwrite it | |
2453 | */ | |
2454 | if (ctx->mode == S5P_JPEG_DECODE) | |
2455 | count = 1; | |
2456 | ||
2457 | *nbuffers = count; | |
2458 | *nplanes = 1; | |
2459 | sizes[0] = size; | |
bb677f3a AP |
2460 | |
2461 | return 0; | |
2462 | } | |
2463 | ||
2464 | static int s5p_jpeg_buf_prepare(struct vb2_buffer *vb) | |
2465 | { | |
2466 | struct s5p_jpeg_ctx *ctx = vb2_get_drv_priv(vb->vb2_queue); | |
2467 | struct s5p_jpeg_q_data *q_data = NULL; | |
2468 | ||
2469 | q_data = get_q_data(ctx, vb->vb2_queue->type); | |
2470 | BUG_ON(q_data == NULL); | |
2471 | ||
2472 | if (vb2_plane_size(vb, 0) < q_data->size) { | |
2473 | pr_err("%s data will not fit into plane (%lu < %lu)\n", | |
2474 | __func__, vb2_plane_size(vb, 0), | |
2475 | (long)q_data->size); | |
2476 | return -EINVAL; | |
2477 | } | |
2478 | ||
2479 | vb2_set_plane_payload(vb, 0, q_data->size); | |
2480 | ||
2481 | return 0; | |
2482 | } | |
2483 | ||
2484 | static void s5p_jpeg_buf_queue(struct vb2_buffer *vb) | |
2485 | { | |
2d700715 | 2486 | struct vb2_v4l2_buffer *vbuf = to_vb2_v4l2_buffer(vb); |
bb677f3a AP |
2487 | struct s5p_jpeg_ctx *ctx = vb2_get_drv_priv(vb->vb2_queue); |
2488 | ||
2489 | if (ctx->mode == S5P_JPEG_DECODE && | |
2490 | vb->vb2_queue->type == V4L2_BUF_TYPE_VIDEO_OUTPUT) { | |
2491 | struct s5p_jpeg_q_data tmp, *q_data; | |
2492 | ctx->hdr_parsed = s5p_jpeg_parse_hdr(&tmp, | |
2493 | (unsigned long)vb2_plane_vaddr(vb, 0), | |
2494 | min((unsigned long)ctx->out_q.size, | |
f8433962 | 2495 | vb2_get_plane_payload(vb, 0)), ctx); |
bb677f3a AP |
2496 | if (!ctx->hdr_parsed) { |
2497 | vb2_buffer_done(vb, VB2_BUF_STATE_ERROR); | |
2498 | return; | |
2499 | } | |
2500 | ||
2501 | q_data = &ctx->out_q; | |
2502 | q_data->w = tmp.w; | |
2503 | q_data->h = tmp.h; | |
6c96dbbc AP |
2504 | q_data->sos = tmp.sos; |
2505 | memcpy(q_data->dht.marker, tmp.dht.marker, | |
2506 | sizeof(tmp.dht.marker)); | |
2507 | memcpy(q_data->dht.len, tmp.dht.len, sizeof(tmp.dht.len)); | |
2508 | q_data->dht.n = tmp.dht.n; | |
2509 | memcpy(q_data->dqt.marker, tmp.dqt.marker, | |
2510 | sizeof(tmp.dqt.marker)); | |
2511 | memcpy(q_data->dqt.len, tmp.dqt.len, sizeof(tmp.dqt.len)); | |
2512 | q_data->dqt.n = tmp.dqt.n; | |
2513 | q_data->sof = tmp.sof; | |
2514 | q_data->sof_len = tmp.sof_len; | |
bb677f3a AP |
2515 | |
2516 | q_data = &ctx->cap_q; | |
2517 | q_data->w = tmp.w; | |
2518 | q_data->h = tmp.h; | |
bb677f3a | 2519 | } |
bb677f3a | 2520 | |
2d700715 | 2521 | v4l2_m2m_buf_queue(ctx->fh.m2m_ctx, vbuf); |
bb677f3a AP |
2522 | } |
2523 | ||
2524 | static int s5p_jpeg_start_streaming(struct vb2_queue *q, unsigned int count) | |
2525 | { | |
2526 | struct s5p_jpeg_ctx *ctx = vb2_get_drv_priv(q); | |
2527 | int ret; | |
2528 | ||
2529 | ret = pm_runtime_get_sync(ctx->jpeg->dev); | |
2530 | ||
2531 | return ret > 0 ? 0 : ret; | |
2532 | } | |
2533 | ||
e37559b2 | 2534 | static void s5p_jpeg_stop_streaming(struct vb2_queue *q) |
bb677f3a AP |
2535 | { |
2536 | struct s5p_jpeg_ctx *ctx = vb2_get_drv_priv(q); | |
2537 | ||
2538 | pm_runtime_put(ctx->jpeg->dev); | |
bb677f3a AP |
2539 | } |
2540 | ||
2541 | static struct vb2_ops s5p_jpeg_qops = { | |
2542 | .queue_setup = s5p_jpeg_queue_setup, | |
2543 | .buf_prepare = s5p_jpeg_buf_prepare, | |
2544 | .buf_queue = s5p_jpeg_buf_queue, | |
718cf4a9 SN |
2545 | .wait_prepare = vb2_ops_wait_prepare, |
2546 | .wait_finish = vb2_ops_wait_finish, | |
bb677f3a AP |
2547 | .start_streaming = s5p_jpeg_start_streaming, |
2548 | .stop_streaming = s5p_jpeg_stop_streaming, | |
2549 | }; | |
2550 | ||
2551 | static int queue_init(void *priv, struct vb2_queue *src_vq, | |
2552 | struct vb2_queue *dst_vq) | |
2553 | { | |
2554 | struct s5p_jpeg_ctx *ctx = priv; | |
2555 | int ret; | |
2556 | ||
bb677f3a AP |
2557 | src_vq->type = V4L2_BUF_TYPE_VIDEO_OUTPUT; |
2558 | src_vq->io_modes = VB2_MMAP | VB2_USERPTR; | |
2559 | src_vq->drv_priv = ctx; | |
2560 | src_vq->buf_struct_size = sizeof(struct v4l2_m2m_buffer); | |
2561 | src_vq->ops = &s5p_jpeg_qops; | |
2562 | src_vq->mem_ops = &vb2_dma_contig_memops; | |
ade48681 | 2563 | src_vq->timestamp_flags = V4L2_BUF_FLAG_TIMESTAMP_COPY; |
718cf4a9 | 2564 | src_vq->lock = &ctx->jpeg->lock; |
c781e4a5 | 2565 | src_vq->dev = ctx->jpeg->dev; |
bb677f3a AP |
2566 | |
2567 | ret = vb2_queue_init(src_vq); | |
2568 | if (ret) | |
2569 | return ret; | |
2570 | ||
bb677f3a AP |
2571 | dst_vq->type = V4L2_BUF_TYPE_VIDEO_CAPTURE; |
2572 | dst_vq->io_modes = VB2_MMAP | VB2_USERPTR; | |
2573 | dst_vq->drv_priv = ctx; | |
2574 | dst_vq->buf_struct_size = sizeof(struct v4l2_m2m_buffer); | |
2575 | dst_vq->ops = &s5p_jpeg_qops; | |
2576 | dst_vq->mem_ops = &vb2_dma_contig_memops; | |
ade48681 | 2577 | dst_vq->timestamp_flags = V4L2_BUF_FLAG_TIMESTAMP_COPY; |
718cf4a9 | 2578 | dst_vq->lock = &ctx->jpeg->lock; |
c781e4a5 | 2579 | dst_vq->dev = ctx->jpeg->dev; |
bb677f3a AP |
2580 | |
2581 | return vb2_queue_init(dst_vq); | |
2582 | } | |
2583 | ||
2584 | /* | |
2585 | * ============================================================================ | |
2586 | * ISR | |
2587 | * ============================================================================ | |
2588 | */ | |
2589 | ||
2590 | static irqreturn_t s5p_jpeg_irq(int irq, void *dev_id) | |
2591 | { | |
2592 | struct s5p_jpeg *jpeg = dev_id; | |
2593 | struct s5p_jpeg_ctx *curr_ctx; | |
2d700715 | 2594 | struct vb2_v4l2_buffer *src_buf, *dst_buf; |
bb677f3a AP |
2595 | unsigned long payload_size = 0; |
2596 | enum vb2_buffer_state state = VB2_BUF_STATE_DONE; | |
2597 | bool enc_jpeg_too_large = false; | |
2598 | bool timer_elapsed = false; | |
2599 | bool op_completed = false; | |
2600 | ||
15f4bc3b SN |
2601 | spin_lock(&jpeg->slock); |
2602 | ||
bb677f3a AP |
2603 | curr_ctx = v4l2_m2m_get_curr_priv(jpeg->m2m_dev); |
2604 | ||
718cf4a9 SN |
2605 | src_buf = v4l2_m2m_src_buf_remove(curr_ctx->fh.m2m_ctx); |
2606 | dst_buf = v4l2_m2m_dst_buf_remove(curr_ctx->fh.m2m_ctx); | |
bb677f3a AP |
2607 | |
2608 | if (curr_ctx->mode == S5P_JPEG_ENCODE) | |
9f7b62d9 JA |
2609 | enc_jpeg_too_large = s5p_jpeg_enc_stream_stat(jpeg->regs); |
2610 | timer_elapsed = s5p_jpeg_timer_stat(jpeg->regs); | |
2611 | op_completed = s5p_jpeg_result_stat_ok(jpeg->regs); | |
bb677f3a | 2612 | if (curr_ctx->mode == S5P_JPEG_DECODE) |
9f7b62d9 JA |
2613 | op_completed = op_completed && |
2614 | s5p_jpeg_stream_stat_ok(jpeg->regs); | |
bb677f3a AP |
2615 | |
2616 | if (enc_jpeg_too_large) { | |
2617 | state = VB2_BUF_STATE_ERROR; | |
9f7b62d9 | 2618 | s5p_jpeg_clear_enc_stream_stat(jpeg->regs); |
bb677f3a AP |
2619 | } else if (timer_elapsed) { |
2620 | state = VB2_BUF_STATE_ERROR; | |
9f7b62d9 | 2621 | s5p_jpeg_clear_timer_stat(jpeg->regs); |
bb677f3a AP |
2622 | } else if (!op_completed) { |
2623 | state = VB2_BUF_STATE_ERROR; | |
2624 | } else { | |
9f7b62d9 | 2625 | payload_size = s5p_jpeg_compressed_size(jpeg->regs); |
bb677f3a AP |
2626 | } |
2627 | ||
2d700715 | 2628 | dst_buf->timecode = src_buf->timecode; |
d6dd645e | 2629 | dst_buf->vb2_buf.timestamp = src_buf->vb2_buf.timestamp; |
2d700715 JS |
2630 | dst_buf->flags &= ~V4L2_BUF_FLAG_TSTAMP_SRC_MASK; |
2631 | dst_buf->flags |= | |
2632 | src_buf->flags & V4L2_BUF_FLAG_TSTAMP_SRC_MASK; | |
aca326ae | 2633 | |
bb677f3a AP |
2634 | v4l2_m2m_buf_done(src_buf, state); |
2635 | if (curr_ctx->mode == S5P_JPEG_ENCODE) | |
2d700715 | 2636 | vb2_set_plane_payload(&dst_buf->vb2_buf, 0, payload_size); |
bb677f3a | 2637 | v4l2_m2m_buf_done(dst_buf, state); |
718cf4a9 | 2638 | v4l2_m2m_job_finish(jpeg->m2m_dev, curr_ctx->fh.m2m_ctx); |
bb677f3a | 2639 | |
9f7b62d9 | 2640 | curr_ctx->subsampling = s5p_jpeg_get_subsampling_mode(jpeg->regs); |
15f4bc3b | 2641 | spin_unlock(&jpeg->slock); |
fb6f8c02 | 2642 | |
9f7b62d9 | 2643 | s5p_jpeg_clear_int(jpeg->regs); |
bb677f3a AP |
2644 | |
2645 | return IRQ_HANDLED; | |
2646 | } | |
2647 | ||
80529ae5 JA |
2648 | static irqreturn_t exynos4_jpeg_irq(int irq, void *priv) |
2649 | { | |
2650 | unsigned int int_status; | |
2d700715 | 2651 | struct vb2_v4l2_buffer *src_vb, *dst_vb; |
80529ae5 JA |
2652 | struct s5p_jpeg *jpeg = priv; |
2653 | struct s5p_jpeg_ctx *curr_ctx; | |
2654 | unsigned long payload_size = 0; | |
2655 | ||
2656 | spin_lock(&jpeg->slock); | |
2657 | ||
2658 | curr_ctx = v4l2_m2m_get_curr_priv(jpeg->m2m_dev); | |
2659 | ||
2660 | src_vb = v4l2_m2m_src_buf_remove(curr_ctx->fh.m2m_ctx); | |
2661 | dst_vb = v4l2_m2m_dst_buf_remove(curr_ctx->fh.m2m_ctx); | |
2662 | ||
2663 | int_status = exynos4_jpeg_get_int_status(jpeg->regs); | |
2664 | ||
2665 | if (int_status) { | |
2666 | switch (int_status & 0x1f) { | |
2667 | case 0x1: | |
2668 | jpeg->irq_ret = ERR_PROT; | |
2669 | break; | |
2670 | case 0x2: | |
2671 | jpeg->irq_ret = OK_ENC_OR_DEC; | |
2672 | break; | |
2673 | case 0x4: | |
2674 | jpeg->irq_ret = ERR_DEC_INVALID_FORMAT; | |
2675 | break; | |
2676 | case 0x8: | |
2677 | jpeg->irq_ret = ERR_MULTI_SCAN; | |
2678 | break; | |
2679 | case 0x10: | |
2680 | jpeg->irq_ret = ERR_FRAME; | |
2681 | break; | |
2682 | default: | |
2683 | jpeg->irq_ret = ERR_UNKNOWN; | |
2684 | break; | |
2685 | } | |
2686 | } else { | |
2687 | jpeg->irq_ret = ERR_UNKNOWN; | |
2688 | } | |
2689 | ||
2690 | if (jpeg->irq_ret == OK_ENC_OR_DEC) { | |
2691 | if (curr_ctx->mode == S5P_JPEG_ENCODE) { | |
2692 | payload_size = exynos4_jpeg_get_stream_size(jpeg->regs); | |
2d700715 JS |
2693 | vb2_set_plane_payload(&dst_vb->vb2_buf, |
2694 | 0, payload_size); | |
80529ae5 JA |
2695 | } |
2696 | v4l2_m2m_buf_done(src_vb, VB2_BUF_STATE_DONE); | |
2697 | v4l2_m2m_buf_done(dst_vb, VB2_BUF_STATE_DONE); | |
2698 | } else { | |
2699 | v4l2_m2m_buf_done(src_vb, VB2_BUF_STATE_ERROR); | |
2700 | v4l2_m2m_buf_done(dst_vb, VB2_BUF_STATE_ERROR); | |
2701 | } | |
2702 | ||
2703 | v4l2_m2m_job_finish(jpeg->m2m_dev, curr_ctx->fh.m2m_ctx); | |
6c96dbbc AP |
2704 | if (jpeg->variant->version == SJPEG_EXYNOS4) |
2705 | curr_ctx->subsampling = exynos4_jpeg_get_frame_fmt(jpeg->regs); | |
80529ae5 JA |
2706 | |
2707 | spin_unlock(&jpeg->slock); | |
2708 | return IRQ_HANDLED; | |
2709 | } | |
2710 | ||
3246fdaa JA |
2711 | static irqreturn_t exynos3250_jpeg_irq(int irq, void *dev_id) |
2712 | { | |
2713 | struct s5p_jpeg *jpeg = dev_id; | |
2714 | struct s5p_jpeg_ctx *curr_ctx; | |
2d700715 | 2715 | struct vb2_v4l2_buffer *src_buf, *dst_buf; |
3246fdaa JA |
2716 | unsigned long payload_size = 0; |
2717 | enum vb2_buffer_state state = VB2_BUF_STATE_DONE; | |
2718 | bool interrupt_timeout = false; | |
2719 | u32 irq_status; | |
2720 | ||
2721 | spin_lock(&jpeg->slock); | |
2722 | ||
2723 | irq_status = exynos3250_jpeg_get_timer_status(jpeg->regs); | |
2724 | if (irq_status & EXYNOS3250_TIMER_INT_STAT) { | |
2725 | exynos3250_jpeg_clear_timer_status(jpeg->regs); | |
2726 | interrupt_timeout = true; | |
2727 | dev_err(jpeg->dev, "Interrupt timeout occurred.\n"); | |
2728 | } | |
2729 | ||
2730 | irq_status = exynos3250_jpeg_get_int_status(jpeg->regs); | |
2731 | exynos3250_jpeg_clear_int_status(jpeg->regs, irq_status); | |
2732 | ||
2733 | jpeg->irq_status |= irq_status; | |
2734 | ||
2735 | curr_ctx = v4l2_m2m_get_curr_priv(jpeg->m2m_dev); | |
2736 | ||
2737 | if (!curr_ctx) | |
2738 | goto exit_unlock; | |
2739 | ||
2740 | if ((irq_status & EXYNOS3250_HEADER_STAT) && | |
2741 | (curr_ctx->mode == S5P_JPEG_DECODE)) { | |
2742 | exynos3250_jpeg_rstart(jpeg->regs); | |
2743 | goto exit_unlock; | |
2744 | } | |
2745 | ||
2746 | if (jpeg->irq_status & (EXYNOS3250_JPEG_DONE | | |
2747 | EXYNOS3250_WDMA_DONE | | |
2748 | EXYNOS3250_RDMA_DONE | | |
2749 | EXYNOS3250_RESULT_STAT)) | |
2750 | payload_size = exynos3250_jpeg_compressed_size(jpeg->regs); | |
2751 | else if (interrupt_timeout) | |
2752 | state = VB2_BUF_STATE_ERROR; | |
2753 | else | |
2754 | goto exit_unlock; | |
2755 | ||
2756 | src_buf = v4l2_m2m_src_buf_remove(curr_ctx->fh.m2m_ctx); | |
2757 | dst_buf = v4l2_m2m_dst_buf_remove(curr_ctx->fh.m2m_ctx); | |
2758 | ||
2d700715 | 2759 | dst_buf->timecode = src_buf->timecode; |
d6dd645e | 2760 | dst_buf->vb2_buf.timestamp = src_buf->vb2_buf.timestamp; |
3246fdaa JA |
2761 | |
2762 | v4l2_m2m_buf_done(src_buf, state); | |
2763 | if (curr_ctx->mode == S5P_JPEG_ENCODE) | |
2d700715 | 2764 | vb2_set_plane_payload(&dst_buf->vb2_buf, 0, payload_size); |
3246fdaa JA |
2765 | v4l2_m2m_buf_done(dst_buf, state); |
2766 | v4l2_m2m_job_finish(jpeg->m2m_dev, curr_ctx->fh.m2m_ctx); | |
2767 | ||
2768 | curr_ctx->subsampling = | |
2769 | exynos3250_jpeg_get_subsampling_mode(jpeg->regs); | |
2770 | exit_unlock: | |
2771 | spin_unlock(&jpeg->slock); | |
2772 | return IRQ_HANDLED; | |
2773 | } | |
2774 | ||
79a38a8c | 2775 | static void *jpeg_get_drv_data(struct device *dev); |
80529ae5 | 2776 | |
bb677f3a AP |
2777 | /* |
2778 | * ============================================================================ | |
2779 | * Driver basic infrastructure | |
2780 | * ============================================================================ | |
2781 | */ | |
2782 | ||
2783 | static int s5p_jpeg_probe(struct platform_device *pdev) | |
2784 | { | |
2785 | struct s5p_jpeg *jpeg; | |
2786 | struct resource *res; | |
b95a24d6 | 2787 | int i, ret; |
bb677f3a AP |
2788 | |
2789 | /* JPEG IP abstraction struct */ | |
5b58b954 | 2790 | jpeg = devm_kzalloc(&pdev->dev, sizeof(struct s5p_jpeg), GFP_KERNEL); |
bb677f3a AP |
2791 | if (!jpeg) |
2792 | return -ENOMEM; | |
2793 | ||
79a38a8c | 2794 | jpeg->variant = jpeg_get_drv_data(&pdev->dev); |
80529ae5 | 2795 | |
bb677f3a | 2796 | mutex_init(&jpeg->lock); |
15f4bc3b | 2797 | spin_lock_init(&jpeg->slock); |
bb677f3a AP |
2798 | jpeg->dev = &pdev->dev; |
2799 | ||
2800 | /* memory-mapped registers */ | |
2801 | res = platform_get_resource(pdev, IORESOURCE_MEM, 0); | |
bb677f3a | 2802 | |
f23999ec TR |
2803 | jpeg->regs = devm_ioremap_resource(&pdev->dev, res); |
2804 | if (IS_ERR(jpeg->regs)) | |
2805 | return PTR_ERR(jpeg->regs); | |
bb677f3a | 2806 | |
bb677f3a AP |
2807 | /* interrupt service routine registration */ |
2808 | jpeg->irq = ret = platform_get_irq(pdev, 0); | |
2809 | if (ret < 0) { | |
2810 | dev_err(&pdev->dev, "cannot find IRQ\n"); | |
5b58b954 | 2811 | return ret; |
bb677f3a AP |
2812 | } |
2813 | ||
80529ae5 JA |
2814 | ret = devm_request_irq(&pdev->dev, jpeg->irq, jpeg->variant->jpeg_irq, |
2815 | 0, dev_name(&pdev->dev), jpeg); | |
bb677f3a AP |
2816 | if (ret) { |
2817 | dev_err(&pdev->dev, "cannot claim IRQ %d\n", jpeg->irq); | |
5b58b954 | 2818 | return ret; |
bb677f3a AP |
2819 | } |
2820 | ||
2821 | /* clocks */ | |
b95a24d6 MS |
2822 | for (i = 0; i < jpeg->variant->num_clocks; i++) { |
2823 | jpeg->clocks[i] = devm_clk_get(&pdev->dev, | |
2824 | jpeg->variant->clk_names[i]); | |
2825 | if (IS_ERR(jpeg->clocks[i])) { | |
2826 | dev_err(&pdev->dev, "failed to get clock: %s\n", | |
2827 | jpeg->variant->clk_names[i]); | |
2828 | return PTR_ERR(jpeg->clocks[i]); | |
2829 | } | |
bb677f3a | 2830 | } |
3246fdaa | 2831 | |
bb677f3a AP |
2832 | /* v4l2 device */ |
2833 | ret = v4l2_device_register(&pdev->dev, &jpeg->v4l2_dev); | |
2834 | if (ret) { | |
2835 | dev_err(&pdev->dev, "Failed to register v4l2 device\n"); | |
b95a24d6 | 2836 | return ret; |
bb677f3a AP |
2837 | } |
2838 | ||
2839 | /* mem2mem device */ | |
bf689bb8 | 2840 | jpeg->m2m_dev = v4l2_m2m_init(jpeg->variant->m2m_ops); |
bb677f3a AP |
2841 | if (IS_ERR(jpeg->m2m_dev)) { |
2842 | v4l2_err(&jpeg->v4l2_dev, "Failed to init mem2mem device\n"); | |
2843 | ret = PTR_ERR(jpeg->m2m_dev); | |
2844 | goto device_register_rollback; | |
2845 | } | |
2846 | ||
712b617e | 2847 | vb2_dma_contig_set_max_seg_size(&pdev->dev, DMA_BIT_MASK(32)); |
bb677f3a AP |
2848 | |
2849 | /* JPEG encoder /dev/videoX node */ | |
2850 | jpeg->vfd_encoder = video_device_alloc(); | |
2851 | if (!jpeg->vfd_encoder) { | |
2852 | v4l2_err(&jpeg->v4l2_dev, "Failed to allocate video device\n"); | |
2853 | ret = -ENOMEM; | |
c781e4a5 | 2854 | goto m2m_init_rollback; |
bb677f3a | 2855 | } |
baaf046d SWK |
2856 | snprintf(jpeg->vfd_encoder->name, sizeof(jpeg->vfd_encoder->name), |
2857 | "%s-enc", S5P_JPEG_M2M_NAME); | |
bb677f3a AP |
2858 | jpeg->vfd_encoder->fops = &s5p_jpeg_fops; |
2859 | jpeg->vfd_encoder->ioctl_ops = &s5p_jpeg_ioctl_ops; | |
2860 | jpeg->vfd_encoder->minor = -1; | |
2861 | jpeg->vfd_encoder->release = video_device_release; | |
2862 | jpeg->vfd_encoder->lock = &jpeg->lock; | |
2863 | jpeg->vfd_encoder->v4l2_dev = &jpeg->v4l2_dev; | |
954f340f | 2864 | jpeg->vfd_encoder->vfl_dir = VFL_DIR_M2M; |
bb677f3a AP |
2865 | |
2866 | ret = video_register_device(jpeg->vfd_encoder, VFL_TYPE_GRABBER, -1); | |
2867 | if (ret) { | |
2868 | v4l2_err(&jpeg->v4l2_dev, "Failed to register video device\n"); | |
7a1d4e7c | 2869 | video_device_release(jpeg->vfd_encoder); |
c781e4a5 | 2870 | goto m2m_init_rollback; |
bb677f3a AP |
2871 | } |
2872 | ||
2873 | video_set_drvdata(jpeg->vfd_encoder, jpeg); | |
2874 | v4l2_info(&jpeg->v4l2_dev, | |
2875 | "encoder device registered as /dev/video%d\n", | |
2876 | jpeg->vfd_encoder->num); | |
2877 | ||
2878 | /* JPEG decoder /dev/videoX node */ | |
2879 | jpeg->vfd_decoder = video_device_alloc(); | |
2880 | if (!jpeg->vfd_decoder) { | |
2881 | v4l2_err(&jpeg->v4l2_dev, "Failed to allocate video device\n"); | |
2882 | ret = -ENOMEM; | |
2883 | goto enc_vdev_register_rollback; | |
2884 | } | |
baaf046d SWK |
2885 | snprintf(jpeg->vfd_decoder->name, sizeof(jpeg->vfd_decoder->name), |
2886 | "%s-dec", S5P_JPEG_M2M_NAME); | |
bb677f3a AP |
2887 | jpeg->vfd_decoder->fops = &s5p_jpeg_fops; |
2888 | jpeg->vfd_decoder->ioctl_ops = &s5p_jpeg_ioctl_ops; | |
2889 | jpeg->vfd_decoder->minor = -1; | |
2890 | jpeg->vfd_decoder->release = video_device_release; | |
2891 | jpeg->vfd_decoder->lock = &jpeg->lock; | |
2892 | jpeg->vfd_decoder->v4l2_dev = &jpeg->v4l2_dev; | |
7f7d8fe2 | 2893 | jpeg->vfd_decoder->vfl_dir = VFL_DIR_M2M; |
bb677f3a AP |
2894 | |
2895 | ret = video_register_device(jpeg->vfd_decoder, VFL_TYPE_GRABBER, -1); | |
2896 | if (ret) { | |
2897 | v4l2_err(&jpeg->v4l2_dev, "Failed to register video device\n"); | |
7a1d4e7c AP |
2898 | video_device_release(jpeg->vfd_decoder); |
2899 | goto enc_vdev_register_rollback; | |
bb677f3a AP |
2900 | } |
2901 | ||
2902 | video_set_drvdata(jpeg->vfd_decoder, jpeg); | |
2903 | v4l2_info(&jpeg->v4l2_dev, | |
2904 | "decoder device registered as /dev/video%d\n", | |
2905 | jpeg->vfd_decoder->num); | |
2906 | ||
2907 | /* final statements & power management */ | |
2908 | platform_set_drvdata(pdev, jpeg); | |
2909 | ||
2910 | pm_runtime_enable(&pdev->dev); | |
2911 | ||
2912 | v4l2_info(&jpeg->v4l2_dev, "Samsung S5P JPEG codec\n"); | |
2913 | ||
2914 | return 0; | |
2915 | ||
bb677f3a AP |
2916 | enc_vdev_register_rollback: |
2917 | video_unregister_device(jpeg->vfd_encoder); | |
2918 | ||
bb677f3a AP |
2919 | m2m_init_rollback: |
2920 | v4l2_m2m_release(jpeg->m2m_dev); | |
2921 | ||
2922 | device_register_rollback: | |
2923 | v4l2_device_unregister(&jpeg->v4l2_dev); | |
2924 | ||
bb677f3a AP |
2925 | return ret; |
2926 | } | |
2927 | ||
2928 | static int s5p_jpeg_remove(struct platform_device *pdev) | |
2929 | { | |
2930 | struct s5p_jpeg *jpeg = platform_get_drvdata(pdev); | |
b95a24d6 | 2931 | int i; |
bb677f3a AP |
2932 | |
2933 | pm_runtime_disable(jpeg->dev); | |
2934 | ||
2935 | video_unregister_device(jpeg->vfd_decoder); | |
bb677f3a | 2936 | video_unregister_device(jpeg->vfd_encoder); |
712b617e | 2937 | vb2_dma_contig_clear_max_seg_size(&pdev->dev); |
bb677f3a AP |
2938 | v4l2_m2m_release(jpeg->m2m_dev); |
2939 | v4l2_device_unregister(&jpeg->v4l2_dev); | |
2940 | ||
3246fdaa | 2941 | if (!pm_runtime_status_suspended(&pdev->dev)) { |
b95a24d6 MS |
2942 | for (i = jpeg->variant->num_clocks - 1; i >= 0; i--) |
2943 | clk_disable_unprepare(jpeg->clocks[i]); | |
3246fdaa | 2944 | } |
f1347132 | 2945 | |
bb677f3a AP |
2946 | return 0; |
2947 | } | |
2948 | ||
e243c7c1 | 2949 | #ifdef CONFIG_PM |
bb677f3a AP |
2950 | static int s5p_jpeg_runtime_suspend(struct device *dev) |
2951 | { | |
f1347132 | 2952 | struct s5p_jpeg *jpeg = dev_get_drvdata(dev); |
b95a24d6 | 2953 | int i; |
f1347132 | 2954 | |
b95a24d6 MS |
2955 | for (i = jpeg->variant->num_clocks - 1; i >= 0; i--) |
2956 | clk_disable_unprepare(jpeg->clocks[i]); | |
f1347132 | 2957 | |
bb677f3a AP |
2958 | return 0; |
2959 | } | |
2960 | ||
2961 | static int s5p_jpeg_runtime_resume(struct device *dev) | |
2962 | { | |
2963 | struct s5p_jpeg *jpeg = dev_get_drvdata(dev); | |
b3c932a9 | 2964 | unsigned long flags; |
b95a24d6 | 2965 | int i, ret; |
f1347132 | 2966 | |
b95a24d6 MS |
2967 | for (i = 0; i < jpeg->variant->num_clocks; i++) { |
2968 | ret = clk_prepare_enable(jpeg->clocks[i]); | |
2969 | if (ret) { | |
2970 | while (--i > 0) | |
2971 | clk_disable_unprepare(jpeg->clocks[i]); | |
3246fdaa | 2972 | return ret; |
b95a24d6 | 2973 | } |
3246fdaa JA |
2974 | } |
2975 | ||
b3c932a9 JA |
2976 | spin_lock_irqsave(&jpeg->slock, flags); |
2977 | ||
bb677f3a | 2978 | /* |
3246fdaa | 2979 | * JPEG IP allows storing two Huffman tables for each component. |
80529ae5 | 2980 | * We fill table 0 for each component and do this here only |
7c15fd4b AP |
2981 | * for S5PC210 and Exynos3250 SoCs. Exynos4x12 and Exynos542x SoC |
2982 | * require programming their Huffman tables each time the encoding | |
2983 | * process is initialized, and thus it is accomplished in the | |
2984 | * device_run callback of m2m_ops. | |
bb677f3a | 2985 | */ |
7c15fd4b | 2986 | if (!jpeg->variant->htbl_reinit) { |
80529ae5 JA |
2987 | s5p_jpeg_set_hdctbl(jpeg->regs); |
2988 | s5p_jpeg_set_hdctblg(jpeg->regs); | |
2989 | s5p_jpeg_set_hactbl(jpeg->regs); | |
2990 | s5p_jpeg_set_hactblg(jpeg->regs); | |
2991 | } | |
31dc0ac0 | 2992 | |
b3c932a9 JA |
2993 | spin_unlock_irqrestore(&jpeg->slock, flags); |
2994 | ||
bb677f3a AP |
2995 | return 0; |
2996 | } | |
e243c7c1 | 2997 | #endif /* CONFIG_PM */ |
bb677f3a | 2998 | |
de3767aa | 2999 | #ifdef CONFIG_PM_SLEEP |
f1347132 JA |
3000 | static int s5p_jpeg_suspend(struct device *dev) |
3001 | { | |
3002 | if (pm_runtime_suspended(dev)) | |
3003 | return 0; | |
3004 | ||
3005 | return s5p_jpeg_runtime_suspend(dev); | |
3006 | } | |
3007 | ||
3008 | static int s5p_jpeg_resume(struct device *dev) | |
3009 | { | |
3010 | if (pm_runtime_suspended(dev)) | |
3011 | return 0; | |
3012 | ||
3013 | return s5p_jpeg_runtime_resume(dev); | |
3014 | } | |
de3767aa | 3015 | #endif |
f1347132 | 3016 | |
bb677f3a | 3017 | static const struct dev_pm_ops s5p_jpeg_pm_ops = { |
f1347132 JA |
3018 | SET_SYSTEM_SLEEP_PM_OPS(s5p_jpeg_suspend, s5p_jpeg_resume) |
3019 | SET_RUNTIME_PM_OPS(s5p_jpeg_runtime_suspend, s5p_jpeg_runtime_resume, NULL) | |
bb677f3a AP |
3020 | }; |
3021 | ||
80529ae5 JA |
3022 | static struct s5p_jpeg_variant s5p_jpeg_drvdata = { |
3023 | .version = SJPEG_S5P, | |
3024 | .jpeg_irq = s5p_jpeg_irq, | |
bf689bb8 | 3025 | .m2m_ops = &s5p_jpeg_m2m_ops, |
b245168c | 3026 | .fmt_ver_flag = SJPEG_FMT_FLAG_S5P, |
b95a24d6 MS |
3027 | .clk_names = {"jpeg"}, |
3028 | .num_clocks = 1, | |
f7074ab3 | 3029 | }; |
80529ae5 | 3030 | |
3246fdaa JA |
3031 | static struct s5p_jpeg_variant exynos3250_jpeg_drvdata = { |
3032 | .version = SJPEG_EXYNOS3250, | |
3033 | .jpeg_irq = exynos3250_jpeg_irq, | |
3034 | .m2m_ops = &exynos3250_jpeg_m2m_ops, | |
3035 | .fmt_ver_flag = SJPEG_FMT_FLAG_EXYNOS3250, | |
7c15fd4b | 3036 | .hw3250_compat = 1, |
b95a24d6 MS |
3037 | .clk_names = {"jpeg", "sclk"}, |
3038 | .num_clocks = 2, | |
3246fdaa JA |
3039 | }; |
3040 | ||
80529ae5 JA |
3041 | static struct s5p_jpeg_variant exynos4_jpeg_drvdata = { |
3042 | .version = SJPEG_EXYNOS4, | |
3043 | .jpeg_irq = exynos4_jpeg_irq, | |
bf689bb8 | 3044 | .m2m_ops = &exynos4_jpeg_m2m_ops, |
b245168c | 3045 | .fmt_ver_flag = SJPEG_FMT_FLAG_EXYNOS4, |
7c15fd4b | 3046 | .htbl_reinit = 1, |
b95a24d6 MS |
3047 | .clk_names = {"jpeg"}, |
3048 | .num_clocks = 1, | |
6c96dbbc | 3049 | .hw_ex4_compat = 1, |
7c15fd4b AP |
3050 | }; |
3051 | ||
3052 | static struct s5p_jpeg_variant exynos5420_jpeg_drvdata = { | |
3053 | .version = SJPEG_EXYNOS5420, | |
3054 | .jpeg_irq = exynos3250_jpeg_irq, /* intentionally 3250 */ | |
3055 | .m2m_ops = &exynos3250_jpeg_m2m_ops, /* intentionally 3250 */ | |
3056 | .fmt_ver_flag = SJPEG_FMT_FLAG_EXYNOS3250, /* intentionally 3250 */ | |
3057 | .hw3250_compat = 1, | |
3058 | .htbl_reinit = 1, | |
b95a24d6 MS |
3059 | .clk_names = {"jpeg"}, |
3060 | .num_clocks = 1, | |
80529ae5 JA |
3061 | }; |
3062 | ||
6c96dbbc AP |
3063 | static struct s5p_jpeg_variant exynos5433_jpeg_drvdata = { |
3064 | .version = SJPEG_EXYNOS5433, | |
3065 | .jpeg_irq = exynos4_jpeg_irq, | |
3066 | .m2m_ops = &exynos4_jpeg_m2m_ops, | |
3067 | .fmt_ver_flag = SJPEG_FMT_FLAG_EXYNOS4, | |
3068 | .htbl_reinit = 1, | |
3069 | .clk_names = {"pclk", "aclk", "aclk_xiu", "sclk"}, | |
3070 | .num_clocks = 4, | |
3071 | .hw_ex4_compat = 1, | |
3072 | }; | |
3073 | ||
80529ae5 JA |
3074 | static const struct of_device_id samsung_jpeg_match[] = { |
3075 | { | |
3076 | .compatible = "samsung,s5pv210-jpeg", | |
3077 | .data = &s5p_jpeg_drvdata, | |
3246fdaa JA |
3078 | }, { |
3079 | .compatible = "samsung,exynos3250-jpeg", | |
3080 | .data = &exynos3250_jpeg_drvdata, | |
80529ae5 JA |
3081 | }, { |
3082 | .compatible = "samsung,exynos4210-jpeg", | |
3246fdaa | 3083 | .data = &exynos4_jpeg_drvdata, |
80529ae5 JA |
3084 | }, { |
3085 | .compatible = "samsung,exynos4212-jpeg", | |
3086 | .data = &exynos4_jpeg_drvdata, | |
7c15fd4b AP |
3087 | }, { |
3088 | .compatible = "samsung,exynos5420-jpeg", | |
3089 | .data = &exynos5420_jpeg_drvdata, | |
6c96dbbc AP |
3090 | }, { |
3091 | .compatible = "samsung,exynos5433-jpeg", | |
3092 | .data = &exynos5433_jpeg_drvdata, | |
80529ae5 JA |
3093 | }, |
3094 | {}, | |
3095 | }; | |
3096 | ||
3097 | MODULE_DEVICE_TABLE(of, samsung_jpeg_match); | |
3098 | ||
79a38a8c | 3099 | static void *jpeg_get_drv_data(struct device *dev) |
80529ae5 JA |
3100 | { |
3101 | struct s5p_jpeg_variant *driver_data = NULL; | |
3102 | const struct of_device_id *match; | |
3103 | ||
79a38a8c JA |
3104 | if (!IS_ENABLED(CONFIG_OF) || !dev->of_node) |
3105 | return &s5p_jpeg_drvdata; | |
3106 | ||
3107 | match = of_match_node(samsung_jpeg_match, dev->of_node); | |
3108 | ||
80529ae5 JA |
3109 | if (match) |
3110 | driver_data = (struct s5p_jpeg_variant *)match->data; | |
3111 | ||
3112 | return driver_data; | |
3113 | } | |
f7074ab3 | 3114 | |
bb677f3a AP |
3115 | static struct platform_driver s5p_jpeg_driver = { |
3116 | .probe = s5p_jpeg_probe, | |
3117 | .remove = s5p_jpeg_remove, | |
3118 | .driver = { | |
80529ae5 | 3119 | .of_match_table = of_match_ptr(samsung_jpeg_match), |
80529ae5 JA |
3120 | .name = S5P_JPEG_M2M_NAME, |
3121 | .pm = &s5p_jpeg_pm_ops, | |
bb677f3a AP |
3122 | }, |
3123 | }; | |
3124 | ||
87e94294 | 3125 | module_platform_driver(s5p_jpeg_driver); |
bb677f3a AP |
3126 | |
3127 | MODULE_AUTHOR("Andrzej Pietrasiewicz <andrzej.p@samsung.com>"); | |
80529ae5 | 3128 | MODULE_AUTHOR("Jacek Anaszewski <j.anaszewski@samsung.com>"); |
bb677f3a AP |
3129 | MODULE_DESCRIPTION("Samsung JPEG codec driver"); |
3130 | MODULE_LICENSE("GPL"); |