Mauro Carvalho Chehab | 2c3fb08 | 2012-08-14 17:31:16 -0300 | [diff] [blame] | 1 | /* linux/drivers/media/platform/s5p-jpeg/jpeg-core.c |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 2 | * |
Jacek Anaszewski | 3246fda | 2014-07-11 12:19:42 -0300 | [diff] [blame] | 3 | * Copyright (c) 2011-2014 Samsung Electronics Co., Ltd. |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 4 | * http://www.samsung.com |
| 5 | * |
| 6 | * Author: Andrzej Pietrasiewicz <andrzej.p@samsung.com> |
Jacek Anaszewski | 80529ae | 2013-12-18 11:04:44 -0300 | [diff] [blame] | 7 | * Author: Jacek Anaszewski <j.anaszewski@samsung.com> |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 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> |
Sylwester Nawrocki | f7074ab | 2013-08-18 16:14:27 -0300 | [diff] [blame] | 21 | #include <linux/of.h> |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 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> |
Junghak Sung | c139990 | 2015-09-22 10:30:29 -0300 | [diff] [blame] | 29 | #include <media/videobuf2-v4l2.h> |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 30 | #include <media/videobuf2-dma-contig.h> |
| 31 | |
| 32 | #include "jpeg-core.h" |
Jacek Anaszewski | 9f7b62d | 2013-12-18 09:32:50 -0300 | [diff] [blame] | 33 | #include "jpeg-hw-s5p.h" |
Jacek Anaszewski | 80529ae | 2013-12-18 11:04:44 -0300 | [diff] [blame] | 34 | #include "jpeg-hw-exynos4.h" |
Jacek Anaszewski | 3246fda | 2014-07-11 12:19:42 -0300 | [diff] [blame] | 35 | #include "jpeg-hw-exynos3250.h" |
Jacek Anaszewski | 80529ae | 2013-12-18 11:04:44 -0300 | [diff] [blame] | 36 | #include "jpeg-regs.h" |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 37 | |
Jacek Anaszewski | 80529ae | 2013-12-18 11:04:44 -0300 | [diff] [blame] | 38 | static struct s5p_jpeg_fmt sjpeg_formats[] = { |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 39 | { |
Andrzej Pietrasiewicz | fb6f8c0 | 2012-02-20 07:32:25 -0300 | [diff] [blame] | 40 | .name = "JPEG JFIF", |
| 41 | .fourcc = V4L2_PIX_FMT_JPEG, |
Jacek Anaszewski | 80529ae | 2013-12-18 11:04:44 -0300 | [diff] [blame] | 42 | .flags = SJPEG_FMT_FLAG_ENC_CAPTURE | |
| 43 | SJPEG_FMT_FLAG_DEC_OUTPUT | |
| 44 | SJPEG_FMT_FLAG_S5P | |
Jacek Anaszewski | 3246fda | 2014-07-11 12:19:42 -0300 | [diff] [blame] | 45 | SJPEG_FMT_FLAG_EXYNOS3250 | |
Jacek Anaszewski | 80529ae | 2013-12-18 11:04:44 -0300 | [diff] [blame] | 46 | SJPEG_FMT_FLAG_EXYNOS4, |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 47 | }, |
| 48 | { |
| 49 | .name = "YUV 4:2:2 packed, YCbYCr", |
| 50 | .fourcc = V4L2_PIX_FMT_YUYV, |
| 51 | .depth = 16, |
| 52 | .colplanes = 1, |
| 53 | .h_align = 4, |
| 54 | .v_align = 3, |
Jacek Anaszewski | 80529ae | 2013-12-18 11:04:44 -0300 | [diff] [blame] | 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, |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 60 | }, |
| 61 | { |
Jacek Anaszewski | 80529ae | 2013-12-18 11:04:44 -0300 | [diff] [blame] | 62 | .name = "YUV 4:2:2 packed, YCbYCr", |
| 63 | .fourcc = V4L2_PIX_FMT_YUYV, |
| 64 | .depth = 16, |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 65 | .colplanes = 1, |
Jacek Anaszewski | 80529ae | 2013-12-18 11:04:44 -0300 | [diff] [blame] | 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 | }, |
| 74 | { |
Jacek Anaszewski | 3246fda | 2014-07-11 12:19:42 -0300 | [diff] [blame] | 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 | }, |
| 87 | { |
Jacek Anaszewski | 80529ae | 2013-12-18 11:04:44 -0300 | [diff] [blame] | 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, |
| 99 | }, |
| 100 | { |
Jacek Anaszewski | 3246fda | 2014-07-11 12:19:42 -0300 | [diff] [blame] | 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 | }, |
| 139 | { |
Jacek Anaszewski | 80529ae | 2013-12-18 11:04:44 -0300 | [diff] [blame] | 140 | .name = "RGB565", |
| 141 | .fourcc = V4L2_PIX_FMT_RGB565, |
| 142 | .depth = 16, |
| 143 | .colplanes = 1, |
| 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 | }, |
| 152 | { |
| 153 | .name = "RGB565", |
| 154 | .fourcc = V4L2_PIX_FMT_RGB565, |
| 155 | .depth = 16, |
| 156 | .colplanes = 1, |
Jacek Anaszewski | 3246fda | 2014-07-11 12:19:42 -0300 | [diff] [blame] | 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 | }, |
| 178 | { |
| 179 | .name = "RGB565", |
| 180 | .fourcc = V4L2_PIX_FMT_RGB565, |
| 181 | .depth = 16, |
| 182 | .colplanes = 1, |
Jacek Anaszewski | 80529ae | 2013-12-18 11:04:44 -0300 | [diff] [blame] | 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 | }, |
| 203 | { |
Jacek Anaszewski | 3246fda | 2014-07-11 12:19:42 -0300 | [diff] [blame] | 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 | }, |
| 216 | { |
Jacek Anaszewski | 80529ae | 2013-12-18 11:04:44 -0300 | [diff] [blame] | 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, |
| 254 | }, |
| 255 | { |
| 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", |
| 270 | .fourcc = V4L2_PIX_FMT_NV12, |
Jacek Anaszewski | a62cffe | 2014-01-16 08:26:33 -0300 | [diff] [blame] | 271 | .depth = 12, |
Jacek Anaszewski | 80529ae | 2013-12-18 11:04:44 -0300 | [diff] [blame] | 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, |
| 280 | }, |
| 281 | { |
| 282 | .name = "YUV 4:2:0 planar, Y/CbCr", |
| 283 | .fourcc = V4L2_PIX_FMT_NV12, |
Jacek Anaszewski | a62cffe | 2014-01-16 08:26:33 -0300 | [diff] [blame] | 284 | .depth = 12, |
| 285 | .colplanes = 2, |
Jacek Anaszewski | 3246fda | 2014-07-11 12:19:42 -0300 | [diff] [blame] | 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 | }, |
| 294 | { |
| 295 | .name = "YUV 4:2:0 planar, Y/CbCr", |
| 296 | .fourcc = V4L2_PIX_FMT_NV12, |
| 297 | .depth = 12, |
| 298 | .colplanes = 2, |
Jacek Anaszewski | 80529ae | 2013-12-18 11:04:44 -0300 | [diff] [blame] | 299 | .h_align = 4, |
Jacek Anaszewski | a62cffe | 2014-01-16 08:26:33 -0300 | [diff] [blame] | 300 | .v_align = 4, |
Jacek Anaszewski | 3246fda | 2014-07-11 12:19:42 -0300 | [diff] [blame] | 301 | .flags = SJPEG_FMT_FLAG_ENC_OUTPUT | |
| 302 | SJPEG_FMT_FLAG_DEC_CAPTURE | |
Jacek Anaszewski | 80529ae | 2013-12-18 11:04:44 -0300 | [diff] [blame] | 303 | SJPEG_FMT_FLAG_S5P | |
| 304 | SJPEG_FMT_NON_RGB, |
| 305 | .subsampling = V4L2_JPEG_CHROMA_SUBSAMPLING_420, |
| 306 | }, |
| 307 | { |
| 308 | .name = "YUV 4:2:0 planar, Y/CrCb", |
| 309 | .fourcc = V4L2_PIX_FMT_NV21, |
| 310 | .depth = 12, |
| 311 | .colplanes = 2, |
Jacek Anaszewski | 3246fda | 2014-07-11 12:19:42 -0300 | [diff] [blame] | 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 | }, |
| 320 | { |
| 321 | .name = "YUV 4:2:0 planar, Y/CrCb", |
| 322 | .fourcc = V4L2_PIX_FMT_NV21, |
| 323 | .depth = 12, |
| 324 | .colplanes = 2, |
Jacek Anaszewski | 80529ae | 2013-12-18 11:04:44 -0300 | [diff] [blame] | 325 | .h_align = 1, |
| 326 | .v_align = 1, |
| 327 | .flags = SJPEG_FMT_FLAG_ENC_OUTPUT | |
| 328 | SJPEG_FMT_FLAG_DEC_CAPTURE | |
Jacek Anaszewski | 3246fda | 2014-07-11 12:19:42 -0300 | [diff] [blame] | 329 | SJPEG_FMT_FLAG_EXYNOS3250 | |
Jacek Anaszewski | 80529ae | 2013-12-18 11:04:44 -0300 | [diff] [blame] | 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 | }, |
| 347 | { |
Jacek Anaszewski | 3246fda | 2014-07-11 12:19:42 -0300 | [diff] [blame] | 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 | }, |
| 360 | { |
Jacek Anaszewski | 80529ae | 2013-12-18 11:04:44 -0300 | [diff] [blame] | 361 | .name = "Gray", |
| 362 | .fourcc = V4L2_PIX_FMT_GREY, |
| 363 | .depth = 8, |
| 364 | .colplanes = 1, |
| 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, |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 370 | }, |
| 371 | }; |
Jacek Anaszewski | 80529ae | 2013-12-18 11:04:44 -0300 | [diff] [blame] | 372 | #define SJPEG_NUM_FORMATS ARRAY_SIZE(sjpeg_formats) |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 373 | |
| 374 | static const unsigned char qtbl_luminance[4][64] = { |
Jacek Anaszewski | 78e5a3c | 2013-11-25 06:58:08 -0300 | [diff] [blame] | 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 |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 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 | }, |
Jacek Anaszewski | 78e5a3c | 2013-11-25 06:58:08 -0300 | [diff] [blame] | 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 |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 414 | } |
| 415 | }; |
| 416 | |
| 417 | static const unsigned char qtbl_chrominance[4][64] = { |
Jacek Anaszewski | 78e5a3c | 2013-11-25 06:58:08 -0300 | [diff] [blame] | 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 |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 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 | }, |
Jacek Anaszewski | 78e5a3c | 2013-11-25 06:58:08 -0300 | [diff] [blame] | 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 |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 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 | |
Jacek Anaszewski | 337777a | 2013-11-22 06:13:34 -0300 | [diff] [blame] | 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 | |
Jacek Anaszewski | 303b0a9 | 2013-12-18 11:14:00 -0300 | [diff] [blame] | 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 | |
Jacek Anaszewski | 3246fda | 2014-07-11 12:19:42 -0300 | [diff] [blame] | 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 | |
Sylwester Nawrocki | 15f4bc3 | 2012-02-17 11:39:36 -0300 | [diff] [blame] | 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 | |
Sylwester Nawrocki | 275de24 | 2012-02-17 11:38:09 -0300 | [diff] [blame] | 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 | |
Jacek Anaszewski | 303b0a9 | 2013-12-18 11:14:00 -0300 | [diff] [blame] | 614 | static int s5p_jpeg_to_user_subsampling(struct s5p_jpeg_ctx *ctx) |
| 615 | { |
| 616 | WARN_ON(ctx->subsampling > 3); |
| 617 | |
Jacek Anaszewski | 3246fda | 2014-07-11 12:19:42 -0300 | [diff] [blame] | 618 | switch (ctx->jpeg->variant->version) { |
| 619 | case SJPEG_S5P: |
Jacek Anaszewski | 303b0a9 | 2013-12-18 11:14:00 -0300 | [diff] [blame] | 620 | if (ctx->subsampling > 2) |
| 621 | return V4L2_JPEG_CHROMA_SUBSAMPLING_GRAY; |
| 622 | return ctx->subsampling; |
Jacek Anaszewski | 3246fda | 2014-07-11 12:19:42 -0300 | [diff] [blame] | 623 | case SJPEG_EXYNOS3250: |
Andrzej Pietrasiewicz | 7c15fd4 | 2015-03-09 09:32:46 -0300 | [diff] [blame] | 624 | case SJPEG_EXYNOS5420: |
Jacek Anaszewski | 3246fda | 2014-07-11 12:19:42 -0300 | [diff] [blame] | 625 | if (ctx->subsampling > 3) |
| 626 | return V4L2_JPEG_CHROMA_SUBSAMPLING_411; |
| 627 | return exynos3250_decoded_subsampling[ctx->subsampling]; |
| 628 | case SJPEG_EXYNOS4: |
Andrzej Pietrasiewicz | 6c96dbb | 2015-09-18 11:20:58 -0300 | [diff] [blame] | 629 | case SJPEG_EXYNOS5433: |
Jacek Anaszewski | 303b0a9 | 2013-12-18 11:14:00 -0300 | [diff] [blame] | 630 | if (ctx->subsampling > 2) |
| 631 | return V4L2_JPEG_CHROMA_SUBSAMPLING_420; |
| 632 | return exynos4x12_decoded_subsampling[ctx->subsampling]; |
Jacek Anaszewski | 3246fda | 2014-07-11 12:19:42 -0300 | [diff] [blame] | 633 | default: |
| 634 | return V4L2_JPEG_CHROMA_SUBSAMPLING_GRAY; |
Jacek Anaszewski | 303b0a9 | 2013-12-18 11:14:00 -0300 | [diff] [blame] | 635 | } |
| 636 | } |
| 637 | |
Jacek Anaszewski | 31dc0ac | 2013-11-25 06:58:12 -0300 | [diff] [blame] | 638 | static inline void s5p_jpeg_set_qtbl(void __iomem *regs, |
| 639 | const unsigned char *qtbl, |
| 640 | unsigned long tab, int len) |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 641 | { |
| 642 | int i; |
| 643 | |
| 644 | for (i = 0; i < len; i++) |
| 645 | writel((unsigned int)qtbl[i], regs + tab + (i * 0x04)); |
| 646 | } |
| 647 | |
Jacek Anaszewski | 31dc0ac | 2013-11-25 06:58:12 -0300 | [diff] [blame] | 648 | static inline void s5p_jpeg_set_qtbl_lum(void __iomem *regs, int quality) |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 649 | { |
| 650 | /* this driver fills quantisation table 0 with data for luma */ |
Jacek Anaszewski | 31dc0ac | 2013-11-25 06:58:12 -0300 | [diff] [blame] | 651 | s5p_jpeg_set_qtbl(regs, qtbl_luminance[quality], |
| 652 | S5P_JPG_QTBL_CONTENT(0), |
| 653 | ARRAY_SIZE(qtbl_luminance[quality])); |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 654 | } |
| 655 | |
Jacek Anaszewski | 31dc0ac | 2013-11-25 06:58:12 -0300 | [diff] [blame] | 656 | static inline void s5p_jpeg_set_qtbl_chr(void __iomem *regs, int quality) |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 657 | { |
| 658 | /* this driver fills quantisation table 1 with data for chroma */ |
Jacek Anaszewski | 31dc0ac | 2013-11-25 06:58:12 -0300 | [diff] [blame] | 659 | s5p_jpeg_set_qtbl(regs, qtbl_chrominance[quality], |
| 660 | S5P_JPG_QTBL_CONTENT(1), |
| 661 | ARRAY_SIZE(qtbl_chrominance[quality])); |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 662 | } |
| 663 | |
Jacek Anaszewski | 31dc0ac | 2013-11-25 06:58:12 -0300 | [diff] [blame] | 664 | static inline void s5p_jpeg_set_htbl(void __iomem *regs, |
| 665 | const unsigned char *htbl, |
| 666 | unsigned long tab, int len) |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 667 | { |
| 668 | int i; |
| 669 | |
| 670 | for (i = 0; i < len; i++) |
| 671 | writel((unsigned int)htbl[i], regs + tab + (i * 0x04)); |
| 672 | } |
| 673 | |
Jacek Anaszewski | 31dc0ac | 2013-11-25 06:58:12 -0300 | [diff] [blame] | 674 | static inline void s5p_jpeg_set_hdctbl(void __iomem *regs) |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 675 | { |
| 676 | /* this driver fills table 0 for this component */ |
Jacek Anaszewski | 31dc0ac | 2013-11-25 06:58:12 -0300 | [diff] [blame] | 677 | s5p_jpeg_set_htbl(regs, hdctbl0, S5P_JPG_HDCTBL(0), |
| 678 | ARRAY_SIZE(hdctbl0)); |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 679 | } |
| 680 | |
Jacek Anaszewski | 31dc0ac | 2013-11-25 06:58:12 -0300 | [diff] [blame] | 681 | static inline void s5p_jpeg_set_hdctblg(void __iomem *regs) |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 682 | { |
| 683 | /* this driver fills table 0 for this component */ |
Jacek Anaszewski | 31dc0ac | 2013-11-25 06:58:12 -0300 | [diff] [blame] | 684 | s5p_jpeg_set_htbl(regs, hdctblg0, S5P_JPG_HDCTBLG(0), |
| 685 | ARRAY_SIZE(hdctblg0)); |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 686 | } |
| 687 | |
Jacek Anaszewski | 31dc0ac | 2013-11-25 06:58:12 -0300 | [diff] [blame] | 688 | static inline void s5p_jpeg_set_hactbl(void __iomem *regs) |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 689 | { |
| 690 | /* this driver fills table 0 for this component */ |
Jacek Anaszewski | 31dc0ac | 2013-11-25 06:58:12 -0300 | [diff] [blame] | 691 | s5p_jpeg_set_htbl(regs, hactbl0, S5P_JPG_HACTBL(0), |
| 692 | ARRAY_SIZE(hactbl0)); |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 693 | } |
| 694 | |
Jacek Anaszewski | 31dc0ac | 2013-11-25 06:58:12 -0300 | [diff] [blame] | 695 | static inline void s5p_jpeg_set_hactblg(void __iomem *regs) |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 696 | { |
| 697 | /* this driver fills table 0 for this component */ |
Jacek Anaszewski | 31dc0ac | 2013-11-25 06:58:12 -0300 | [diff] [blame] | 698 | s5p_jpeg_set_htbl(regs, hactblg0, S5P_JPG_HACTBLG(0), |
| 699 | ARRAY_SIZE(hactblg0)); |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 700 | } |
| 701 | |
Jacek Anaszewski | 80529ae | 2013-12-18 11:04:44 -0300 | [diff] [blame] | 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 | |
Mauro Carvalho Chehab | af425be | 2014-08-26 10:50:23 -0300 | [diff] [blame] | 734 | static void exynos4_jpeg_set_huff_tbl(void __iomem *base) |
Jacek Anaszewski | 80529ae | 2013-12-18 11:04:44 -0300 | [diff] [blame] | 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 | |
Andrzej Pietrasiewicz | 6c96dbb | 2015-09-18 11:20:58 -0300 | [diff] [blame] | 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; |
Andrzej Pietrasiewicz | 6c96dbb | 2015-09-18 11:20:58 -0300 | [diff] [blame] | 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 | |
Andrzej Pietrasiewicz | 6c96dbb | 2015-09-18 11:20:58 -0300 | [diff] [blame] | 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 | |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 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); |
Jacek Anaszewski | 80529ae | 2013-12-18 11:04:44 -0300 | [diff] [blame] | 964 | static struct s5p_jpeg_fmt *s5p_jpeg_find_format(struct s5p_jpeg_ctx *ctx, |
| 965 | __u32 pixelformat, unsigned int fmt_type); |
Sylwester Nawrocki | 15f4bc3 | 2012-02-17 11:39:36 -0300 | [diff] [blame] | 966 | static int s5p_jpeg_controls_create(struct s5p_jpeg_ctx *ctx); |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 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; |
Jacek Anaszewski | 80529ae | 2013-12-18 11:04:44 -0300 | [diff] [blame] | 973 | struct s5p_jpeg_fmt *out_fmt, *cap_fmt; |
Sylwester Nawrocki | 275de24 | 2012-02-17 11:38:09 -0300 | [diff] [blame] | 974 | int ret = 0; |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 975 | |
Sachin Kamat | b5146c9 | 2012-08-16 08:52:58 -0300 | [diff] [blame] | 976 | ctx = kzalloc(sizeof(*ctx), GFP_KERNEL); |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 977 | if (!ctx) |
| 978 | return -ENOMEM; |
| 979 | |
Hans Verkuil | b0d5cd6 | 2012-06-24 06:54:18 -0300 | [diff] [blame] | 980 | if (mutex_lock_interruptible(&jpeg->lock)) { |
| 981 | ret = -ERESTARTSYS; |
| 982 | goto free; |
| 983 | } |
| 984 | |
Sylwester Nawrocki | 275de24 | 2012-02-17 11:38:09 -0300 | [diff] [blame] | 985 | v4l2_fh_init(&ctx->fh, vfd); |
Sylwester Nawrocki | 15f4bc3 | 2012-02-17 11:39:36 -0300 | [diff] [blame] | 986 | /* Use separate control handler per file handle */ |
| 987 | ctx->fh.ctrl_handler = &ctx->ctrl_handler; |
Sylwester Nawrocki | 275de24 | 2012-02-17 11:38:09 -0300 | [diff] [blame] | 988 | file->private_data = &ctx->fh; |
| 989 | v4l2_fh_add(&ctx->fh); |
| 990 | |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 991 | ctx->jpeg = jpeg; |
| 992 | if (vfd == jpeg->vfd_encoder) { |
| 993 | ctx->mode = S5P_JPEG_ENCODE; |
Jacek Anaszewski | 80529ae | 2013-12-18 11:04:44 -0300 | [diff] [blame] | 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); |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 998 | } else { |
| 999 | ctx->mode = S5P_JPEG_DECODE; |
Jacek Anaszewski | 80529ae | 2013-12-18 11:04:44 -0300 | [diff] [blame] | 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); |
Jacek Anaszewski | 3246fda | 2014-07-11 12:19:42 -0300 | [diff] [blame] | 1004 | ctx->scale_factor = EXYNOS3250_DEC_SCALE_FACTOR_8_8; |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 1005 | } |
| 1006 | |
Sylwester Nawrocki | 718cf4a | 2013-08-25 17:16:56 -0300 | [diff] [blame] | 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); |
Sylwester Nawrocki | 275de24 | 2012-02-17 11:38:09 -0300 | [diff] [blame] | 1010 | goto error; |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 1011 | } |
| 1012 | |
| 1013 | ctx->out_q.fmt = out_fmt; |
Jacek Anaszewski | 80529ae | 2013-12-18 11:04:44 -0300 | [diff] [blame] | 1014 | ctx->cap_q.fmt = cap_fmt; |
| 1015 | |
| 1016 | ret = s5p_jpeg_controls_create(ctx); |
| 1017 | if (ret < 0) |
| 1018 | goto error; |
| 1019 | |
Hans Verkuil | b0d5cd6 | 2012-06-24 06:54:18 -0300 | [diff] [blame] | 1020 | mutex_unlock(&jpeg->lock); |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 1021 | return 0; |
Sylwester Nawrocki | 275de24 | 2012-02-17 11:38:09 -0300 | [diff] [blame] | 1022 | |
| 1023 | error: |
| 1024 | v4l2_fh_del(&ctx->fh); |
| 1025 | v4l2_fh_exit(&ctx->fh); |
Hans Verkuil | b0d5cd6 | 2012-06-24 06:54:18 -0300 | [diff] [blame] | 1026 | mutex_unlock(&jpeg->lock); |
| 1027 | free: |
Sylwester Nawrocki | 275de24 | 2012-02-17 11:38:09 -0300 | [diff] [blame] | 1028 | kfree(ctx); |
| 1029 | return ret; |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 1030 | } |
| 1031 | |
| 1032 | static int s5p_jpeg_release(struct file *file) |
| 1033 | { |
Hans Verkuil | b0d5cd6 | 2012-06-24 06:54:18 -0300 | [diff] [blame] | 1034 | struct s5p_jpeg *jpeg = video_drvdata(file); |
Sylwester Nawrocki | 275de24 | 2012-02-17 11:38:09 -0300 | [diff] [blame] | 1035 | struct s5p_jpeg_ctx *ctx = fh_to_ctx(file->private_data); |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 1036 | |
Hans Verkuil | b0d5cd6 | 2012-06-24 06:54:18 -0300 | [diff] [blame] | 1037 | mutex_lock(&jpeg->lock); |
Sylwester Nawrocki | 718cf4a | 2013-08-25 17:16:56 -0300 | [diff] [blame] | 1038 | v4l2_m2m_ctx_release(ctx->fh.m2m_ctx); |
Sylwester Nawrocki | 15f4bc3 | 2012-02-17 11:39:36 -0300 | [diff] [blame] | 1039 | v4l2_ctrl_handler_free(&ctx->ctrl_handler); |
Sylwester Nawrocki | 275de24 | 2012-02-17 11:38:09 -0300 | [diff] [blame] | 1040 | v4l2_fh_del(&ctx->fh); |
| 1041 | v4l2_fh_exit(&ctx->fh); |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 1042 | kfree(ctx); |
Jacek Anaszewski | 80529ae | 2013-12-18 11:04:44 -0300 | [diff] [blame] | 1043 | mutex_unlock(&jpeg->lock); |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 1044 | |
| 1045 | return 0; |
| 1046 | } |
| 1047 | |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 1048 | static const struct v4l2_file_operations s5p_jpeg_fops = { |
| 1049 | .owner = THIS_MODULE, |
| 1050 | .open = s5p_jpeg_open, |
| 1051 | .release = s5p_jpeg_release, |
Sylwester Nawrocki | 718cf4a | 2013-08-25 17:16:56 -0300 | [diff] [blame] | 1052 | .poll = v4l2_m2m_fop_poll, |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 1053 | .unlocked_ioctl = video_ioctl2, |
Sylwester Nawrocki | 718cf4a | 2013-08-25 17:16:56 -0300 | [diff] [blame] | 1054 | .mmap = v4l2_m2m_fop_mmap, |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 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, |
Jacek Anaszewski | f843396 | 2013-11-21 13:33:09 -0300 | [diff] [blame] | 1097 | unsigned long buffer, unsigned long size, |
| 1098 | struct s5p_jpeg_ctx *ctx) |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 1099 | { |
Andrzej Pietrasiewicz | 6c96dbb | 2015-09-18 11:20:58 -0300 | [diff] [blame] | 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]; |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 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; |
Andrzej Pietrasiewicz | 6c96dbb | 2015-09-18 11:20:58 -0300 | [diff] [blame] | 1113 | while (notfound || !sos) { |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 1114 | c = get_byte(&jpeg_buffer); |
| 1115 | if (c == -1) |
Jacek Anaszewski | a35f600 | 2014-07-11 12:19:43 -0300 | [diff] [blame] | 1116 | return false; |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 1117 | if (c != 0xff) |
| 1118 | continue; |
| 1119 | do |
| 1120 | c = get_byte(&jpeg_buffer); |
| 1121 | while (c == 0xff); |
| 1122 | if (c == -1) |
Jacek Anaszewski | a35f600 | 2014-07-11 12:19:43 -0300 | [diff] [blame] | 1123 | return false; |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 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; |
Andrzej Pietrasiewicz | 6c96dbb | 2015-09-18 11:20:58 -0300 | [diff] [blame] | 1132 | length = (long)word - 2; |
| 1133 | if (!length) |
| 1134 | return false; |
| 1135 | sof = jpeg_buffer.curr; /* after 0xffc0 */ |
| 1136 | sof_len = length; |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 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; |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 1146 | |
Jacek Anaszewski | f843396 | 2013-11-21 13:33:09 -0300 | [diff] [blame] | 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 | } |
Andrzej Pietrasiewicz | 6c96dbb | 2015-09-18 11:20:58 -0300 | [diff] [blame] | 1154 | if (components > 3) |
| 1155 | return false; |
Jacek Anaszewski | f843396 | 2013-11-21 13:33:09 -0300 | [diff] [blame] | 1156 | skip(&jpeg_buffer, components * 2); |
Andrzej Pietrasiewicz | 6c96dbb | 2015-09-18 11:20:58 -0300 | [diff] [blame] | 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 */ |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 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; |
Andrzej Pietrasiewicz | 6c96dbb | 2015-09-18 11:20:58 -0300 | [diff] [blame] | 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; |
Jacek Anaszewski | f843396 | 2013-11-21 13:33:09 -0300 | [diff] [blame] | 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 | |
Andrzej Pietrasiewicz | 6c96dbb | 2015-09-18 11:20:58 -0300 | [diff] [blame] | 1240 | return !notfound && sos; |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 1241 | } |
| 1242 | |
| 1243 | static int s5p_jpeg_querycap(struct file *file, void *priv, |
| 1244 | struct v4l2_capability *cap) |
| 1245 | { |
Sylwester Nawrocki | 275de24 | 2012-02-17 11:38:09 -0300 | [diff] [blame] | 1246 | struct s5p_jpeg_ctx *ctx = fh_to_ctx(priv); |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 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; |
Hans Verkuil | 8c17e5e | 2014-11-24 06:37:26 -0300 | [diff] [blame] | 1260 | cap->device_caps = V4L2_CAP_STREAMING | V4L2_CAP_VIDEO_M2M; |
| 1261 | cap->capabilities = cap->device_caps | V4L2_CAP_DEVICE_CAPS; |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 1262 | return 0; |
| 1263 | } |
| 1264 | |
Jacek Anaszewski | 80529ae | 2013-12-18 11:04:44 -0300 | [diff] [blame] | 1265 | static int enum_fmt(struct s5p_jpeg_fmt *sjpeg_formats, int n, |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 1266 | struct v4l2_fmtdesc *f, u32 type) |
| 1267 | { |
| 1268 | int i, num = 0; |
| 1269 | |
| 1270 | for (i = 0; i < n; ++i) { |
Jacek Anaszewski | 80529ae | 2013-12-18 11:04:44 -0300 | [diff] [blame] | 1271 | if (sjpeg_formats[i].flags & type) { |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 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 | |
Jacek Anaszewski | 80529ae | 2013-12-18 11:04:44 -0300 | [diff] [blame] | 1285 | strlcpy(f->description, sjpeg_formats[i].name, sizeof(f->description)); |
| 1286 | f->pixelformat = sjpeg_formats[i].fourcc; |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 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 | { |
Sylwester Nawrocki | 275de24 | 2012-02-17 11:38:09 -0300 | [diff] [blame] | 1294 | struct s5p_jpeg_ctx *ctx = fh_to_ctx(priv); |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 1295 | |
| 1296 | if (ctx->mode == S5P_JPEG_ENCODE) |
Jacek Anaszewski | 80529ae | 2013-12-18 11:04:44 -0300 | [diff] [blame] | 1297 | return enum_fmt(sjpeg_formats, SJPEG_NUM_FORMATS, f, |
| 1298 | SJPEG_FMT_FLAG_ENC_CAPTURE); |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 1299 | |
Jacek Anaszewski | 80529ae | 2013-12-18 11:04:44 -0300 | [diff] [blame] | 1300 | return enum_fmt(sjpeg_formats, SJPEG_NUM_FORMATS, f, |
| 1301 | SJPEG_FMT_FLAG_DEC_CAPTURE); |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 1302 | } |
| 1303 | |
| 1304 | static int s5p_jpeg_enum_fmt_vid_out(struct file *file, void *priv, |
| 1305 | struct v4l2_fmtdesc *f) |
| 1306 | { |
Sylwester Nawrocki | 275de24 | 2012-02-17 11:38:09 -0300 | [diff] [blame] | 1307 | struct s5p_jpeg_ctx *ctx = fh_to_ctx(priv); |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 1308 | |
| 1309 | if (ctx->mode == S5P_JPEG_ENCODE) |
Jacek Anaszewski | 80529ae | 2013-12-18 11:04:44 -0300 | [diff] [blame] | 1310 | return enum_fmt(sjpeg_formats, SJPEG_NUM_FORMATS, f, |
| 1311 | SJPEG_FMT_FLAG_ENC_OUTPUT); |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 1312 | |
Jacek Anaszewski | 80529ae | 2013-12-18 11:04:44 -0300 | [diff] [blame] | 1313 | return enum_fmt(sjpeg_formats, SJPEG_NUM_FORMATS, f, |
| 1314 | SJPEG_FMT_FLAG_DEC_OUTPUT); |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 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; |
Sylwester Nawrocki | 275de24 | 2012-02-17 11:38:09 -0300 | [diff] [blame] | 1333 | struct s5p_jpeg_ctx *ct = fh_to_ctx(priv); |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 1334 | |
Sylwester Nawrocki | 718cf4a | 2013-08-25 17:16:56 -0300 | [diff] [blame] | 1335 | vq = v4l2_m2m_get_vq(ct->fh.m2m_ctx, f->type); |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 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 | |
Jacek Anaszewski | 80529ae | 2013-12-18 11:04:44 -0300 | [diff] [blame] | 1361 | static struct s5p_jpeg_fmt *s5p_jpeg_find_format(struct s5p_jpeg_ctx *ctx, |
| 1362 | u32 pixelformat, unsigned int fmt_type) |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 1363 | { |
Jacek Anaszewski | b245168 | 2014-04-10 04:32:11 -0300 | [diff] [blame] | 1364 | unsigned int k, fmt_flag; |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 1365 | |
Jacek Anaszewski | 80529ae | 2013-12-18 11:04:44 -0300 | [diff] [blame] | 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; |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 1374 | |
Jacek Anaszewski | 80529ae | 2013-12-18 11:04:44 -0300 | [diff] [blame] | 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 && |
Jacek Anaszewski | b245168 | 2014-04-10 04:32:11 -0300 | [diff] [blame] | 1379 | fmt->flags & ctx->jpeg->variant->fmt_ver_flag) { |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 1380 | return fmt; |
Jacek Anaszewski | 80529ae | 2013-12-18 11:04:44 -0300 | [diff] [blame] | 1381 | } |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 1382 | } |
| 1383 | |
| 1384 | return NULL; |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 1385 | } |
| 1386 | |
Jacek Anaszewski | e9e7dfe | 2014-07-11 12:19:44 -0300 | [diff] [blame] | 1387 | static void jpeg_bound_align_image(struct s5p_jpeg_ctx *ctx, |
| 1388 | u32 *w, unsigned int wmin, unsigned int wmax, |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 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; |
Jacek Anaszewski | e9e7dfe | 2014-07-11 12:19:44 -0300 | [diff] [blame] | 1400 | |
Andrzej Pietrasiewicz | 7c15fd4 | 2015-03-09 09:32:46 -0300 | [diff] [blame] | 1401 | if (ctx->jpeg->variant->hw3250_compat) { |
Jacek Anaszewski | e9e7dfe | 2014-07-11 12:19:44 -0300 | [diff] [blame] | 1402 | /* |
| 1403 | * Rightmost and bottommost pixels are cropped by the |
Andrzej Pietrasiewicz | 7c15fd4 | 2015-03-09 09:32:46 -0300 | [diff] [blame] | 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. |
Jacek Anaszewski | e9e7dfe | 2014-07-11 12:19:44 -0300 | [diff] [blame] | 1408 | */ |
| 1409 | if (w_step == 4 && ((width & 3) == 1)) { |
| 1410 | wmax = width; |
| 1411 | hmax = height; |
| 1412 | } |
| 1413 | } |
| 1414 | |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 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; |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 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 */ |
Jacek Anaszewski | 80529ae | 2013-12-18 11:04:44 -0300 | [diff] [blame] | 1435 | if (q_type == FMT_TYPE_OUTPUT) |
Jacek Anaszewski | e9e7dfe | 2014-07-11 12:19:44 -0300 | [diff] [blame] | 1436 | jpeg_bound_align_image(ctx, &pix->width, S5P_JPEG_MIN_WIDTH, |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 1437 | S5P_JPEG_MAX_WIDTH, 0, |
| 1438 | &pix->height, S5P_JPEG_MIN_HEIGHT, |
| 1439 | S5P_JPEG_MAX_HEIGHT, 0); |
| 1440 | else |
Jacek Anaszewski | e9e7dfe | 2014-07-11 12:19:44 -0300 | [diff] [blame] | 1441 | jpeg_bound_align_image(ctx, &pix->width, S5P_JPEG_MIN_WIDTH, |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 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 */ |
Jacek Anaszewski | cc69090 | 2013-11-25 06:58:10 -0300 | [diff] [blame] | 1457 | (bpl << 3) / fmt->depth < pix->width) |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 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 | { |
Sylwester Nawrocki | 275de24 | 2012-02-17 11:38:09 -0300 | [diff] [blame] | 1470 | struct s5p_jpeg_ctx *ctx = fh_to_ctx(priv); |
Jacek Anaszewski | 337777a | 2013-11-22 06:13:34 -0300 | [diff] [blame] | 1471 | struct v4l2_pix_format *pix = &f->fmt.pix; |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 1472 | struct s5p_jpeg_fmt *fmt; |
Jacek Anaszewski | 337777a | 2013-11-22 06:13:34 -0300 | [diff] [blame] | 1473 | int ret; |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 1474 | |
Jacek Anaszewski | 80529ae | 2013-12-18 11:04:44 -0300 | [diff] [blame] | 1475 | fmt = s5p_jpeg_find_format(ctx, f->fmt.pix.pixelformat, |
| 1476 | FMT_TYPE_CAPTURE); |
| 1477 | if (!fmt) { |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 1478 | v4l2_err(&ctx->jpeg->v4l2_dev, |
| 1479 | "Fourcc format (0x%08x) invalid.\n", |
| 1480 | f->fmt.pix.pixelformat); |
| 1481 | return -EINVAL; |
| 1482 | } |
| 1483 | |
Andrzej Pietrasiewicz | 6c96dbb | 2015-09-18 11:20:58 -0300 | [diff] [blame] | 1484 | if (!ctx->jpeg->variant->hw_ex4_compat || ctx->mode != S5P_JPEG_DECODE) |
Jacek Anaszewski | 2caeeb0 | 2014-04-10 04:32:17 -0300 | [diff] [blame] | 1485 | goto exit; |
| 1486 | |
Jacek Anaszewski | 337777a | 2013-11-22 06:13:34 -0300 | [diff] [blame] | 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 | */ |
Jacek Anaszewski | 2caeeb0 | 2014-04-10 04:32:17 -0300 | [diff] [blame] | 1493 | if ((fmt->flags & SJPEG_FMT_NON_RGB) && |
Jacek Anaszewski | 337777a | 2013-11-22 06:13:34 -0300 | [diff] [blame] | 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 | |
Jacek Anaszewski | 2caeeb0 | 2014-04-10 04:32:17 -0300 | [diff] [blame] | 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: |
Jacek Anaszewski | 80529ae | 2013-12-18 11:04:44 -0300 | [diff] [blame] | 1523 | return vidioc_try_fmt(f, fmt, ctx, FMT_TYPE_CAPTURE); |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 1524 | } |
| 1525 | |
| 1526 | static int s5p_jpeg_try_fmt_vid_out(struct file *file, void *priv, |
| 1527 | struct v4l2_format *f) |
| 1528 | { |
Sylwester Nawrocki | 275de24 | 2012-02-17 11:38:09 -0300 | [diff] [blame] | 1529 | struct s5p_jpeg_ctx *ctx = fh_to_ctx(priv); |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 1530 | struct s5p_jpeg_fmt *fmt; |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 1531 | |
Jacek Anaszewski | 80529ae | 2013-12-18 11:04:44 -0300 | [diff] [blame] | 1532 | fmt = s5p_jpeg_find_format(ctx, f->fmt.pix.pixelformat, |
| 1533 | FMT_TYPE_OUTPUT); |
| 1534 | if (!fmt) { |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 1535 | v4l2_err(&ctx->jpeg->v4l2_dev, |
| 1536 | "Fourcc format (0x%08x) invalid.\n", |
| 1537 | f->fmt.pix.pixelformat); |
| 1538 | return -EINVAL; |
| 1539 | } |
| 1540 | |
Jacek Anaszewski | 80529ae | 2013-12-18 11:04:44 -0300 | [diff] [blame] | 1541 | return vidioc_try_fmt(f, fmt, ctx, FMT_TYPE_OUTPUT); |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 1542 | } |
| 1543 | |
Jacek Anaszewski | b2254d6 | 2014-04-10 04:32:16 -0300 | [diff] [blame] | 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; |
Andrzej Pietrasiewicz | 77401dd | 2015-12-08 12:39:08 -0200 | [diff] [blame] | 1551 | int padding = 0; |
Jacek Anaszewski | b2254d6 | 2014-04-10 04:32:16 -0300 | [diff] [blame] | 1552 | |
| 1553 | if (pix_fmt == V4L2_PIX_FMT_RGB32 || |
Andrzej Pietrasiewicz | 77401dd | 2015-12-08 12:39:08 -0200 | [diff] [blame] | 1554 | pix_fmt == V4L2_PIX_FMT_RGB565 || |
Jacek Anaszewski | b2254d6 | 2014-04-10 04:32:16 -0300 | [diff] [blame] | 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 | |
Jacek Anaszewski | e9e7dfe | 2014-07-11 12:19:44 -0300 | [diff] [blame] | 1564 | jpeg_bound_align_image(ctx, &w, S5P_JPEG_MIN_WIDTH, |
Jacek Anaszewski | b2254d6 | 2014-04-10 04:32:16 -0300 | [diff] [blame] | 1565 | S5P_JPEG_MAX_WIDTH, wh_align, |
| 1566 | &h, S5P_JPEG_MIN_HEIGHT, |
| 1567 | S5P_JPEG_MAX_HEIGHT, wh_align); |
| 1568 | |
Andrzej Pietrasiewicz | 77401dd | 2015-12-08 12:39:08 -0200 | [diff] [blame] | 1569 | if (ctx->jpeg->variant->version == SJPEG_EXYNOS4) |
| 1570 | padding = PAGE_SIZE; |
| 1571 | |
| 1572 | return (w * h * fmt_depth >> 3) + padding; |
Jacek Anaszewski | b2254d6 | 2014-04-10 04:32:16 -0300 | [diff] [blame] | 1573 | } |
| 1574 | |
Jacek Anaszewski | 5a71671 | 2014-07-11 12:19:47 -0300 | [diff] [blame] | 1575 | static int exynos3250_jpeg_try_downscale(struct s5p_jpeg_ctx *ctx, |
| 1576 | struct v4l2_rect *r); |
| 1577 | |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 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; |
Jacek Anaszewski | 4a30d30 | 2013-11-21 13:33:52 -0300 | [diff] [blame] | 1583 | struct v4l2_ctrl *ctrl_subs; |
Jacek Anaszewski | 5a71671 | 2014-07-11 12:19:47 -0300 | [diff] [blame] | 1584 | struct v4l2_rect scale_rect; |
Jacek Anaszewski | 80529ae | 2013-12-18 11:04:44 -0300 | [diff] [blame] | 1585 | unsigned int f_type; |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 1586 | |
Sylwester Nawrocki | 718cf4a | 2013-08-25 17:16:56 -0300 | [diff] [blame] | 1587 | vq = v4l2_m2m_get_vq(ct->fh.m2m_ctx, f->type); |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 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 | |
Jacek Anaszewski | 80529ae | 2013-12-18 11:04:44 -0300 | [diff] [blame] | 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); |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 1603 | q_data->w = pix->width; |
| 1604 | q_data->h = pix->height; |
Jacek Anaszewski | b2254d6 | 2014-04-10 04:32:16 -0300 | [diff] [blame] | 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 | */ |
Andrzej Pietrasiewicz | 6c96dbb | 2015-09-18 11:20:58 -0300 | [diff] [blame] | 1612 | if (ct->jpeg->variant->hw_ex4_compat && |
Jacek Anaszewski | b2254d6 | 2014-04-10 04:32:16 -0300 | [diff] [blame] | 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 { |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 1621 | q_data->size = pix->sizeimage; |
Jacek Anaszewski | b2254d6 | 2014-04-10 04:32:16 -0300 | [diff] [blame] | 1622 | } |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 1623 | |
Jacek Anaszewski | 4a30d30 | 2013-11-21 13:33:52 -0300 | [diff] [blame] | 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); |
Jacek Anaszewski | dfd9690 | 2014-07-11 12:19:46 -0300 | [diff] [blame] | 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 | } |
Jacek Anaszewski | 5a71671 | 2014-07-11 12:19:47 -0300 | [diff] [blame] | 1644 | |
| 1645 | /* |
| 1646 | * Prevent downscaling to YUV420 format by more than 2 |
Andrzej Pietrasiewicz | 7c15fd4 | 2015-03-09 09:32:46 -0300 | [diff] [blame] | 1647 | * for Exynos3250/compatible SoC as it produces broken raw image |
Jacek Anaszewski | 5a71671 | 2014-07-11 12:19:47 -0300 | [diff] [blame] | 1648 | * in such cases. |
| 1649 | */ |
| 1650 | if (ct->mode == S5P_JPEG_DECODE && |
| 1651 | f_type == FMT_TYPE_CAPTURE && |
Andrzej Pietrasiewicz | 7c15fd4 | 2015-03-09 09:32:46 -0300 | [diff] [blame] | 1652 | ct->jpeg->variant->hw3250_compat && |
Jacek Anaszewski | 5a71671 | 2014-07-11 12:19:47 -0300 | [diff] [blame] | 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); |
Jacek Anaszewski | 4a30d30 | 2013-11-21 13:33:52 -0300 | [diff] [blame] | 1658 | } |
| 1659 | |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 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 | |
Sylwester Nawrocki | 275de24 | 2012-02-17 11:38:09 -0300 | [diff] [blame] | 1672 | return s5p_jpeg_s_fmt(fh_to_ctx(priv), f); |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 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 | |
Sylwester Nawrocki | 275de24 | 2012-02-17 11:38:09 -0300 | [diff] [blame] | 1684 | return s5p_jpeg_s_fmt(fh_to_ctx(priv), f); |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 1685 | } |
| 1686 | |
Jacek Anaszewski | 3246fda | 2014-07-11 12:19:42 -0300 | [diff] [blame] | 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 | |
Sachin Kamat | 9f3bd32 | 2012-05-10 03:38:40 -0300 | [diff] [blame] | 1782 | static int s5p_jpeg_g_selection(struct file *file, void *priv, |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 1783 | struct v4l2_selection *s) |
| 1784 | { |
Sylwester Nawrocki | 275de24 | 2012-02-17 11:38:09 -0300 | [diff] [blame] | 1785 | struct s5p_jpeg_ctx *ctx = fh_to_ctx(priv); |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 1786 | |
| 1787 | if (s->type != V4L2_BUF_TYPE_VIDEO_OUTPUT && |
Jacek Anaszewski | 38a6ef3 | 2014-04-10 04:32:15 -0300 | [diff] [blame] | 1788 | s->type != V4L2_BUF_TYPE_VIDEO_CAPTURE) |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 1789 | return -EINVAL; |
| 1790 | |
| 1791 | /* For JPEG blob active == default == bounds */ |
| 1792 | switch (s->target) { |
Sylwester Nawrocki | c133482 | 2012-05-20 11:17:12 -0300 | [diff] [blame] | 1793 | case V4L2_SEL_TGT_CROP: |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 1794 | case V4L2_SEL_TGT_CROP_BOUNDS: |
| 1795 | case V4L2_SEL_TGT_CROP_DEFAULT: |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 1796 | case V4L2_SEL_TGT_COMPOSE_DEFAULT: |
| 1797 | s->r.width = ctx->out_q.w; |
| 1798 | s->r.height = ctx->out_q.h; |
Jacek Anaszewski | fac4d96 | 2014-07-11 12:19:45 -0300 | [diff] [blame] | 1799 | s->r.left = 0; |
| 1800 | s->r.top = 0; |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 1801 | break; |
Jacek Anaszewski | fac4d96 | 2014-07-11 12:19:45 -0300 | [diff] [blame] | 1802 | case V4L2_SEL_TGT_COMPOSE: |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 1803 | case V4L2_SEL_TGT_COMPOSE_BOUNDS: |
| 1804 | case V4L2_SEL_TGT_COMPOSE_PADDED: |
Jacek Anaszewski | fac4d96 | 2014-07-11 12:19:45 -0300 | [diff] [blame] | 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; |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 1809 | break; |
| 1810 | default: |
| 1811 | return -EINVAL; |
| 1812 | } |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 1813 | return 0; |
| 1814 | } |
| 1815 | |
Sylwester Nawrocki | 15f4bc3 | 2012-02-17 11:39:36 -0300 | [diff] [blame] | 1816 | /* |
| 1817 | * V4L2 controls |
| 1818 | */ |
Jacek Anaszewski | 3246fda | 2014-07-11 12:19:42 -0300 | [diff] [blame] | 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; |
Andrzej Pietrasiewicz | 7c15fd4 | 2015-03-09 09:32:46 -0300 | [diff] [blame] | 1832 | if (ctx->jpeg->variant->hw3250_compat) |
Jacek Anaszewski | 3246fda | 2014-07-11 12:19:42 -0300 | [diff] [blame] | 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; |
Andrzej Pietrasiewicz | 7c15fd4 | 2015-03-09 09:32:46 -0300 | [diff] [blame] | 1837 | if (ctx->jpeg->variant->hw3250_compat) |
Jacek Anaszewski | 3246fda | 2014-07-11 12:19:42 -0300 | [diff] [blame] | 1838 | ret = exynos3250_jpeg_try_crop(ctx, rect); |
| 1839 | } |
| 1840 | |
| 1841 | return ret; |
| 1842 | } |
Sylwester Nawrocki | 15f4bc3 | 2012-02-17 11:39:36 -0300 | [diff] [blame] | 1843 | |
| 1844 | static int s5p_jpeg_g_volatile_ctrl(struct v4l2_ctrl *ctrl) |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 1845 | { |
Sylwester Nawrocki | 15f4bc3 | 2012-02-17 11:39:36 -0300 | [diff] [blame] | 1846 | struct s5p_jpeg_ctx *ctx = ctrl_to_ctx(ctrl); |
| 1847 | struct s5p_jpeg *jpeg = ctx->jpeg; |
| 1848 | unsigned long flags; |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 1849 | |
Sylwester Nawrocki | 15f4bc3 | 2012-02-17 11:39:36 -0300 | [diff] [blame] | 1850 | switch (ctrl->id) { |
| 1851 | case V4L2_CID_JPEG_CHROMA_SUBSAMPLING: |
| 1852 | spin_lock_irqsave(&jpeg->slock, flags); |
Jacek Anaszewski | 303b0a9 | 2013-12-18 11:14:00 -0300 | [diff] [blame] | 1853 | ctrl->val = s5p_jpeg_to_user_subsampling(ctx); |
Sylwester Nawrocki | 15f4bc3 | 2012-02-17 11:39:36 -0300 | [diff] [blame] | 1854 | spin_unlock_irqrestore(&jpeg->slock, flags); |
| 1855 | break; |
| 1856 | } |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 1857 | |
| 1858 | return 0; |
| 1859 | } |
| 1860 | |
Jacek Anaszewski | 39c344c | 2014-07-11 12:19:48 -0300 | [diff] [blame] | 1861 | static int s5p_jpeg_adjust_subs_ctrl(struct s5p_jpeg_ctx *ctx, int *ctrl_val) |
| 1862 | { |
| 1863 | switch (ctx->jpeg->variant->version) { |
| 1864 | case SJPEG_S5P: |
| 1865 | return 0; |
| 1866 | case SJPEG_EXYNOS3250: |
Andrzej Pietrasiewicz | 7c15fd4 | 2015-03-09 09:32:46 -0300 | [diff] [blame] | 1867 | case SJPEG_EXYNOS5420: |
Jacek Anaszewski | 39c344c | 2014-07-11 12:19:48 -0300 | [diff] [blame] | 1868 | /* |
Andrzej Pietrasiewicz | 7c15fd4 | 2015-03-09 09:32:46 -0300 | [diff] [blame] | 1869 | * The exynos3250/compatible device can produce JPEG image only |
Jacek Anaszewski | 39c344c | 2014-07-11 12:19:48 -0300 | [diff] [blame] | 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: |
| 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 && |
| 1882 | *ctrl_val == V4L2_JPEG_CHROMA_SUBSAMPLING_GRAY) |
| 1883 | return -EINVAL; |
| 1884 | break; |
| 1885 | } |
| 1886 | |
| 1887 | /* |
Andrzej Pietrasiewicz | 7c15fd4 | 2015-03-09 09:32:46 -0300 | [diff] [blame] | 1888 | * The exynos4x12 and exynos3250/compatible devices require resulting |
Jacek Anaszewski | 39c344c | 2014-07-11 12:19:48 -0300 | [diff] [blame] | 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 | |
Jacek Anaszewski | 11fbea3 | 2013-11-21 13:34:01 -0300 | [diff] [blame] | 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 | |
Jacek Anaszewski | 39c344c | 2014-07-11 12:19:48 -0300 | [diff] [blame] | 1906 | if (ctrl->id == V4L2_CID_JPEG_CHROMA_SUBSAMPLING) |
| 1907 | ret = s5p_jpeg_adjust_subs_ctrl(ctx, &ctrl->val); |
Jacek Anaszewski | 11fbea3 | 2013-11-21 13:34:01 -0300 | [diff] [blame] | 1908 | |
Jacek Anaszewski | 11fbea3 | 2013-11-21 13:34:01 -0300 | [diff] [blame] | 1909 | spin_unlock_irqrestore(&ctx->jpeg->slock, flags); |
| 1910 | return ret; |
| 1911 | } |
| 1912 | |
Sylwester Nawrocki | 15f4bc3 | 2012-02-17 11:39:36 -0300 | [diff] [blame] | 1913 | static int s5p_jpeg_s_ctrl(struct v4l2_ctrl *ctrl) |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 1914 | { |
Sylwester Nawrocki | 15f4bc3 | 2012-02-17 11:39:36 -0300 | [diff] [blame] | 1915 | struct s5p_jpeg_ctx *ctx = ctrl_to_ctx(ctrl); |
| 1916 | unsigned long flags; |
| 1917 | |
| 1918 | spin_lock_irqsave(&ctx->jpeg->slock, flags); |
| 1919 | |
| 1920 | switch (ctrl->id) { |
| 1921 | case V4L2_CID_JPEG_COMPRESSION_QUALITY: |
Jacek Anaszewski | 78e5a3c | 2013-11-25 06:58:08 -0300 | [diff] [blame] | 1922 | ctx->compr_quality = ctrl->val; |
Sylwester Nawrocki | 15f4bc3 | 2012-02-17 11:39:36 -0300 | [diff] [blame] | 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, |
Jacek Anaszewski | 11fbea3 | 2013-11-21 13:34:01 -0300 | [diff] [blame] | 1938 | .try_ctrl = s5p_jpeg_try_ctrl, |
Sylwester Nawrocki | 15f4bc3 | 2012-02-17 11:39:36 -0300 | [diff] [blame] | 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; |
Jacek Anaszewski | 088f830 | 2013-11-25 06:58:15 -0300 | [diff] [blame] | 1946 | int ret; |
Sylwester Nawrocki | 15f4bc3 | 2012-02-17 11:39:36 -0300 | [diff] [blame] | 1947 | |
| 1948 | v4l2_ctrl_handler_init(&ctx->ctrl_handler, 3); |
| 1949 | |
| 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, |
Jacek Anaszewski | 78e5a3c | 2013-11-25 06:58:08 -0300 | [diff] [blame] | 1953 | 0, 3, 1, S5P_JPEG_COMPR_QUAL_WORST); |
Sylwester Nawrocki | 15f4bc3 | 2012-02-17 11:39:36 -0300 | [diff] [blame] | 1954 | |
| 1955 | v4l2_ctrl_new_std(&ctx->ctrl_handler, &s5p_jpeg_ctrl_ops, |
| 1956 | V4L2_CID_JPEG_RESTART_INTERVAL, |
| 1957 | 0, 3, 0xffff, 0); |
Jacek Anaszewski | fdf9e2b | 2013-11-21 13:33:41 -0300 | [diff] [blame] | 1958 | if (ctx->jpeg->variant->version == SJPEG_S5P) |
| 1959 | mask = ~0x06; /* 422, 420 */ |
Sylwester Nawrocki | 15f4bc3 | 2012-02-17 11:39:36 -0300 | [diff] [blame] | 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); |
| 1966 | |
Jacek Anaszewski | 088f830 | 2013-11-25 06:58:15 -0300 | [diff] [blame] | 1967 | if (ctx->ctrl_handler.error) { |
| 1968 | ret = ctx->ctrl_handler.error; |
| 1969 | goto error_free; |
| 1970 | } |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 1971 | |
| 1972 | if (ctx->mode == S5P_JPEG_DECODE) |
Sylwester Nawrocki | 15f4bc3 | 2012-02-17 11:39:36 -0300 | [diff] [blame] | 1973 | ctrl->flags |= V4L2_CTRL_FLAG_VOLATILE | |
| 1974 | V4L2_CTRL_FLAG_READ_ONLY; |
Jacek Anaszewski | 088f830 | 2013-11-25 06:58:15 -0300 | [diff] [blame] | 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; |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 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 | |
Sylwester Nawrocki | 718cf4a | 2013-08-25 17:16:56 -0300 | [diff] [blame] | 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, |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 2006 | |
Sylwester Nawrocki | 718cf4a | 2013-08-25 17:16:56 -0300 | [diff] [blame] | 2007 | .vidioc_streamon = v4l2_m2m_ioctl_streamon, |
| 2008 | .vidioc_streamoff = v4l2_m2m_ioctl_streamoff, |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 2009 | |
| 2010 | .vidioc_g_selection = s5p_jpeg_g_selection, |
Jacek Anaszewski | 3246fda | 2014-07-11 12:19:42 -0300 | [diff] [blame] | 2011 | .vidioc_s_selection = s5p_jpeg_s_selection, |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 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; |
Jacek Anaszewski | b3c932a | 2013-11-25 06:58:14 -0300 | [diff] [blame] | 2025 | unsigned long src_addr, dst_addr, flags; |
| 2026 | |
| 2027 | spin_lock_irqsave(&ctx->jpeg->slock, flags); |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 2028 | |
Sylwester Nawrocki | 718cf4a | 2013-08-25 17:16:56 -0300 | [diff] [blame] | 2029 | src_buf = v4l2_m2m_next_src_buf(ctx->fh.m2m_ctx); |
| 2030 | dst_buf = v4l2_m2m_next_dst_buf(ctx->fh.m2m_ctx); |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 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 | |
Jacek Anaszewski | 9f7b62d | 2013-12-18 09:32:50 -0300 | [diff] [blame] | 2034 | s5p_jpeg_reset(jpeg->regs); |
| 2035 | s5p_jpeg_poweron(jpeg->regs); |
| 2036 | s5p_jpeg_proc_mode(jpeg->regs, ctx->mode); |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 2037 | if (ctx->mode == S5P_JPEG_ENCODE) { |
| 2038 | if (ctx->out_q.fmt->fourcc == V4L2_PIX_FMT_RGB565) |
Jacek Anaszewski | 9f7b62d | 2013-12-18 09:32:50 -0300 | [diff] [blame] | 2039 | s5p_jpeg_input_raw_mode(jpeg->regs, |
| 2040 | S5P_JPEG_RAW_IN_565); |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 2041 | else |
Jacek Anaszewski | 9f7b62d | 2013-12-18 09:32:50 -0300 | [diff] [blame] | 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); |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 2050 | |
| 2051 | /* ultimately comes from sizeimage from userspace */ |
Jacek Anaszewski | 9f7b62d | 2013-12-18 09:32:50 -0300 | [diff] [blame] | 2052 | s5p_jpeg_enc_stream_int(jpeg->regs, ctx->cap_q.size); |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 2053 | |
| 2054 | /* JPEG RGB to YCbCr conversion matrix */ |
Jacek Anaszewski | 9f7b62d | 2013-12-18 09:32:50 -0300 | [diff] [blame] | 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); |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 2064 | |
| 2065 | /* |
| 2066 | * JPEG IP allows storing 4 quantization tables |
| 2067 | * We fill table 0 for luma and table 1 for chroma |
| 2068 | */ |
Jacek Anaszewski | 31dc0ac | 2013-11-25 06:58:12 -0300 | [diff] [blame] | 2069 | s5p_jpeg_set_qtbl_lum(jpeg->regs, ctx->compr_quality); |
| 2070 | s5p_jpeg_set_qtbl_chr(jpeg->regs, ctx->compr_quality); |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 2071 | /* use table 0 for Y */ |
Jacek Anaszewski | 9f7b62d | 2013-12-18 09:32:50 -0300 | [diff] [blame] | 2072 | s5p_jpeg_qtbl(jpeg->regs, 1, 0); |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 2073 | /* use table 1 for Cb and Cr*/ |
Jacek Anaszewski | 9f7b62d | 2013-12-18 09:32:50 -0300 | [diff] [blame] | 2074 | s5p_jpeg_qtbl(jpeg->regs, 2, 1); |
| 2075 | s5p_jpeg_qtbl(jpeg->regs, 3, 1); |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 2076 | |
| 2077 | /* Y, Cb, Cr use Huffman table 0 */ |
Jacek Anaszewski | 9f7b62d | 2013-12-18 09:32:50 -0300 | [diff] [blame] | 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); |
Andrzej Pietrasiewicz | fb6f8c0 | 2012-02-20 07:32:25 -0300 | [diff] [blame] | 2084 | } else { /* S5P_JPEG_DECODE */ |
Jacek Anaszewski | 9f7b62d | 2013-12-18 09:32:50 -0300 | [diff] [blame] | 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); |
Andrzej Pietrasiewicz | fb6f8c0 | 2012-02-20 07:32:25 -0300 | [diff] [blame] | 2088 | if (ctx->cap_q.fmt->fourcc == V4L2_PIX_FMT_YUYV) |
Jacek Anaszewski | 9f7b62d | 2013-12-18 09:32:50 -0300 | [diff] [blame] | 2089 | s5p_jpeg_outform_raw(jpeg->regs, S5P_JPEG_RAW_OUT_422); |
Andrzej Pietrasiewicz | fb6f8c0 | 2012-02-20 07:32:25 -0300 | [diff] [blame] | 2090 | else |
Jacek Anaszewski | 9f7b62d | 2013-12-18 09:32:50 -0300 | [diff] [blame] | 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); |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 2094 | } |
Sylwester Nawrocki | 15f4bc3 | 2012-02-17 11:39:36 -0300 | [diff] [blame] | 2095 | |
Jacek Anaszewski | 9f7b62d | 2013-12-18 09:32:50 -0300 | [diff] [blame] | 2096 | s5p_jpeg_start(jpeg->regs); |
Jacek Anaszewski | b3c932a | 2013-11-25 06:58:14 -0300 | [diff] [blame] | 2097 | |
| 2098 | spin_unlock_irqrestore(&ctx->jpeg->slock, flags); |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 2099 | } |
| 2100 | |
Jacek Anaszewski | 80529ae | 2013-12-18 11:04:44 -0300 | [diff] [blame] | 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; |
Jacek Anaszewski | 12b0556 | 2015-03-05 10:56:25 -0300 | [diff] [blame] | 2106 | struct s5p_jpeg_addr jpeg_addr = {}; |
Jacek Anaszewski | 80529ae | 2013-12-18 11:04:44 -0300 | [diff] [blame] | 2107 | u32 pix_size, padding_bytes = 0; |
| 2108 | |
Tony K Nadackal | cb0c3f5 | 2014-12-17 04:21:21 -0300 | [diff] [blame] | 2109 | jpeg_addr.cb = 0; |
| 2110 | jpeg_addr.cr = 0; |
| 2111 | |
Jacek Anaszewski | 80529ae | 2013-12-18 11:04:44 -0300 | [diff] [blame] | 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); |
Andrzej Pietrasiewicz | 6c96dbb | 2015-09-18 11:20:58 -0300 | [diff] [blame] | 2151 | if (jpeg->variant->version == SJPEG_EXYNOS5433 && |
| 2152 | ctx->mode == S5P_JPEG_DECODE) |
| 2153 | jpeg_addr += ctx->out_q.sos; |
Jacek Anaszewski | 80529ae | 2013-12-18 11:04:44 -0300 | [diff] [blame] | 2154 | exynos4_jpeg_set_stream_buf_address(jpeg->regs, jpeg_addr); |
| 2155 | } |
| 2156 | |
Andrzej Pietrasiewicz | 6c96dbb | 2015-09-18 11:20:58 -0300 | [diff] [blame] | 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 | |
Jacek Anaszewski | 80529ae | 2013-12-18 11:04:44 -0300 | [diff] [blame] | 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 | |
Andrzej Pietrasiewicz | 6c96dbb | 2015-09-18 11:20:58 -0300 | [diff] [blame] | 2188 | spin_lock_irqsave(&jpeg->slock, flags); |
Jacek Anaszewski | 80529ae | 2013-12-18 11:04:44 -0300 | [diff] [blame] | 2189 | |
| 2190 | if (ctx->mode == S5P_JPEG_ENCODE) { |
| 2191 | exynos4_jpeg_sw_reset(jpeg->regs); |
Andrzej Pietrasiewicz | 6c96dbb | 2015-09-18 11:20:58 -0300 | [diff] [blame] | 2192 | exynos4_jpeg_set_interrupt(jpeg->regs, jpeg->variant->version); |
Jacek Anaszewski | 80529ae | 2013-12-18 11:04:44 -0300 | [diff] [blame] | 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 | |
Andrzej Pietrasiewicz | 6c96dbb | 2015-09-18 11:20:58 -0300 | [diff] [blame] | 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 | } |
Jacek Anaszewski | 80529ae | 2013-12-18 11:04:44 -0300 | [diff] [blame] | 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); |
Andrzej Pietrasiewicz | 6c96dbb | 2015-09-18 11:20:58 -0300 | [diff] [blame] | 2226 | exynos4_jpeg_set_interrupt(jpeg->regs, |
| 2227 | jpeg->variant->version); |
Jacek Anaszewski | 80529ae | 2013-12-18 11:04:44 -0300 | [diff] [blame] | 2228 | exynos4_jpeg_set_img_addr(ctx); |
| 2229 | exynos4_jpeg_set_jpeg_addr(ctx); |
Jacek Anaszewski | 80529ae | 2013-12-18 11:04:44 -0300 | [diff] [blame] | 2230 | |
Andrzej Pietrasiewicz | 6c96dbb | 2015-09-18 11:20:58 -0300 | [diff] [blame] | 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 | } |
Jacek Anaszewski | 80529ae | 2013-12-18 11:04:44 -0300 | [diff] [blame] | 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 | |
Andrzej Pietrasiewicz | 6c96dbb | 2015-09-18 11:20:58 -0300 | [diff] [blame] | 2258 | spin_unlock_irqrestore(&jpeg->slock, flags); |
Jacek Anaszewski | 80529ae | 2013-12-18 11:04:44 -0300 | [diff] [blame] | 2259 | } |
| 2260 | |
Jacek Anaszewski | 3246fda | 2014-07-11 12:19:42 -0300 | [diff] [blame] | 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; |
Jacek Anaszewski | 12b0556 | 2015-03-05 10:56:25 -0300 | [diff] [blame] | 2266 | struct s5p_jpeg_addr jpeg_addr = {}; |
Jacek Anaszewski | 3246fda | 2014-07-11 12:19:42 -0300 | [diff] [blame] | 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 | |
Andrzej Pietrasiewicz | 7c15fd4 | 2015-03-09 09:32:46 -0300 | [diff] [blame] | 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 | |
Jacek Anaszewski | 3246fda | 2014-07-11 12:19:42 -0300 | [diff] [blame] | 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 | |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 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, |
Jacek Anaszewski | 3246fda | 2014-07-11 12:19:42 -0300 | [diff] [blame] | 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 | |
Jacek Anaszewski | bf689bb | 2014-04-10 04:32:13 -0300 | [diff] [blame] | 2425 | static struct v4l2_m2m_ops exynos4_jpeg_m2m_ops = { |
Jacek Anaszewski | 80529ae | 2013-12-18 11:04:44 -0300 | [diff] [blame] | 2426 | .device_run = exynos4_jpeg_device_run, |
| 2427 | .job_ready = s5p_jpeg_job_ready, |
| 2428 | .job_abort = s5p_jpeg_job_abort, |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 2429 | }; |
| 2430 | |
| 2431 | /* |
| 2432 | * ============================================================================ |
| 2433 | * Queue operations |
| 2434 | * ============================================================================ |
| 2435 | */ |
| 2436 | |
Marek Szyprowski | 719c174 | 2012-01-13 05:12:38 -0300 | [diff] [blame] | 2437 | static int s5p_jpeg_queue_setup(struct vb2_queue *vq, |
Marek Szyprowski | 719c174 | 2012-01-13 05:12:38 -0300 | [diff] [blame] | 2438 | unsigned int *nbuffers, unsigned int *nplanes, |
| 2439 | unsigned int sizes[], void *alloc_ctxs[]) |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 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; |
| 2460 | alloc_ctxs[0] = ctx->jpeg->alloc_ctx; |
| 2461 | |
| 2462 | return 0; |
| 2463 | } |
| 2464 | |
| 2465 | static int s5p_jpeg_buf_prepare(struct vb2_buffer *vb) |
| 2466 | { |
| 2467 | struct s5p_jpeg_ctx *ctx = vb2_get_drv_priv(vb->vb2_queue); |
| 2468 | struct s5p_jpeg_q_data *q_data = NULL; |
| 2469 | |
| 2470 | q_data = get_q_data(ctx, vb->vb2_queue->type); |
| 2471 | BUG_ON(q_data == NULL); |
| 2472 | |
| 2473 | if (vb2_plane_size(vb, 0) < q_data->size) { |
| 2474 | pr_err("%s data will not fit into plane (%lu < %lu)\n", |
| 2475 | __func__, vb2_plane_size(vb, 0), |
| 2476 | (long)q_data->size); |
| 2477 | return -EINVAL; |
| 2478 | } |
| 2479 | |
| 2480 | vb2_set_plane_payload(vb, 0, q_data->size); |
| 2481 | |
| 2482 | return 0; |
| 2483 | } |
| 2484 | |
| 2485 | static void s5p_jpeg_buf_queue(struct vb2_buffer *vb) |
| 2486 | { |
Junghak Sung | 2d70071 | 2015-09-22 10:30:30 -0300 | [diff] [blame] | 2487 | struct vb2_v4l2_buffer *vbuf = to_vb2_v4l2_buffer(vb); |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 2488 | struct s5p_jpeg_ctx *ctx = vb2_get_drv_priv(vb->vb2_queue); |
| 2489 | |
| 2490 | if (ctx->mode == S5P_JPEG_DECODE && |
| 2491 | vb->vb2_queue->type == V4L2_BUF_TYPE_VIDEO_OUTPUT) { |
| 2492 | struct s5p_jpeg_q_data tmp, *q_data; |
| 2493 | ctx->hdr_parsed = s5p_jpeg_parse_hdr(&tmp, |
| 2494 | (unsigned long)vb2_plane_vaddr(vb, 0), |
| 2495 | min((unsigned long)ctx->out_q.size, |
Jacek Anaszewski | f843396 | 2013-11-21 13:33:09 -0300 | [diff] [blame] | 2496 | vb2_get_plane_payload(vb, 0)), ctx); |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 2497 | if (!ctx->hdr_parsed) { |
| 2498 | vb2_buffer_done(vb, VB2_BUF_STATE_ERROR); |
| 2499 | return; |
| 2500 | } |
| 2501 | |
| 2502 | q_data = &ctx->out_q; |
| 2503 | q_data->w = tmp.w; |
| 2504 | q_data->h = tmp.h; |
Andrzej Pietrasiewicz | 6c96dbb | 2015-09-18 11:20:58 -0300 | [diff] [blame] | 2505 | q_data->sos = tmp.sos; |
| 2506 | memcpy(q_data->dht.marker, tmp.dht.marker, |
| 2507 | sizeof(tmp.dht.marker)); |
| 2508 | memcpy(q_data->dht.len, tmp.dht.len, sizeof(tmp.dht.len)); |
| 2509 | q_data->dht.n = tmp.dht.n; |
| 2510 | memcpy(q_data->dqt.marker, tmp.dqt.marker, |
| 2511 | sizeof(tmp.dqt.marker)); |
| 2512 | memcpy(q_data->dqt.len, tmp.dqt.len, sizeof(tmp.dqt.len)); |
| 2513 | q_data->dqt.n = tmp.dqt.n; |
| 2514 | q_data->sof = tmp.sof; |
| 2515 | q_data->sof_len = tmp.sof_len; |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 2516 | |
| 2517 | q_data = &ctx->cap_q; |
| 2518 | q_data->w = tmp.w; |
| 2519 | q_data->h = tmp.h; |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 2520 | } |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 2521 | |
Junghak Sung | 2d70071 | 2015-09-22 10:30:30 -0300 | [diff] [blame] | 2522 | v4l2_m2m_buf_queue(ctx->fh.m2m_ctx, vbuf); |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 2523 | } |
| 2524 | |
| 2525 | static int s5p_jpeg_start_streaming(struct vb2_queue *q, unsigned int count) |
| 2526 | { |
| 2527 | struct s5p_jpeg_ctx *ctx = vb2_get_drv_priv(q); |
| 2528 | int ret; |
| 2529 | |
| 2530 | ret = pm_runtime_get_sync(ctx->jpeg->dev); |
| 2531 | |
| 2532 | return ret > 0 ? 0 : ret; |
| 2533 | } |
| 2534 | |
Hans Verkuil | e37559b | 2014-04-17 02:47:21 -0300 | [diff] [blame] | 2535 | static void s5p_jpeg_stop_streaming(struct vb2_queue *q) |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 2536 | { |
| 2537 | struct s5p_jpeg_ctx *ctx = vb2_get_drv_priv(q); |
| 2538 | |
| 2539 | pm_runtime_put(ctx->jpeg->dev); |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 2540 | } |
| 2541 | |
| 2542 | static struct vb2_ops s5p_jpeg_qops = { |
| 2543 | .queue_setup = s5p_jpeg_queue_setup, |
| 2544 | .buf_prepare = s5p_jpeg_buf_prepare, |
| 2545 | .buf_queue = s5p_jpeg_buf_queue, |
Sylwester Nawrocki | 718cf4a | 2013-08-25 17:16:56 -0300 | [diff] [blame] | 2546 | .wait_prepare = vb2_ops_wait_prepare, |
| 2547 | .wait_finish = vb2_ops_wait_finish, |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 2548 | .start_streaming = s5p_jpeg_start_streaming, |
| 2549 | .stop_streaming = s5p_jpeg_stop_streaming, |
| 2550 | }; |
| 2551 | |
| 2552 | static int queue_init(void *priv, struct vb2_queue *src_vq, |
| 2553 | struct vb2_queue *dst_vq) |
| 2554 | { |
| 2555 | struct s5p_jpeg_ctx *ctx = priv; |
| 2556 | int ret; |
| 2557 | |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 2558 | src_vq->type = V4L2_BUF_TYPE_VIDEO_OUTPUT; |
| 2559 | src_vq->io_modes = VB2_MMAP | VB2_USERPTR; |
| 2560 | src_vq->drv_priv = ctx; |
| 2561 | src_vq->buf_struct_size = sizeof(struct v4l2_m2m_buffer); |
| 2562 | src_vq->ops = &s5p_jpeg_qops; |
| 2563 | src_vq->mem_ops = &vb2_dma_contig_memops; |
Sakari Ailus | ade4868 | 2014-02-25 19:12:19 -0300 | [diff] [blame] | 2564 | src_vq->timestamp_flags = V4L2_BUF_FLAG_TIMESTAMP_COPY; |
Sylwester Nawrocki | 718cf4a | 2013-08-25 17:16:56 -0300 | [diff] [blame] | 2565 | src_vq->lock = &ctx->jpeg->lock; |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 2566 | |
| 2567 | ret = vb2_queue_init(src_vq); |
| 2568 | if (ret) |
| 2569 | return ret; |
| 2570 | |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 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; |
Sakari Ailus | ade4868 | 2014-02-25 19:12:19 -0300 | [diff] [blame] | 2577 | dst_vq->timestamp_flags = V4L2_BUF_FLAG_TIMESTAMP_COPY; |
Sylwester Nawrocki | 718cf4a | 2013-08-25 17:16:56 -0300 | [diff] [blame] | 2578 | dst_vq->lock = &ctx->jpeg->lock; |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 2579 | |
| 2580 | return vb2_queue_init(dst_vq); |
| 2581 | } |
| 2582 | |
| 2583 | /* |
| 2584 | * ============================================================================ |
| 2585 | * ISR |
| 2586 | * ============================================================================ |
| 2587 | */ |
| 2588 | |
| 2589 | static irqreturn_t s5p_jpeg_irq(int irq, void *dev_id) |
| 2590 | { |
| 2591 | struct s5p_jpeg *jpeg = dev_id; |
| 2592 | struct s5p_jpeg_ctx *curr_ctx; |
Junghak Sung | 2d70071 | 2015-09-22 10:30:30 -0300 | [diff] [blame] | 2593 | struct vb2_v4l2_buffer *src_buf, *dst_buf; |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 2594 | unsigned long payload_size = 0; |
| 2595 | enum vb2_buffer_state state = VB2_BUF_STATE_DONE; |
| 2596 | bool enc_jpeg_too_large = false; |
| 2597 | bool timer_elapsed = false; |
| 2598 | bool op_completed = false; |
| 2599 | |
Sylwester Nawrocki | 15f4bc3 | 2012-02-17 11:39:36 -0300 | [diff] [blame] | 2600 | spin_lock(&jpeg->slock); |
| 2601 | |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 2602 | curr_ctx = v4l2_m2m_get_curr_priv(jpeg->m2m_dev); |
| 2603 | |
Sylwester Nawrocki | 718cf4a | 2013-08-25 17:16:56 -0300 | [diff] [blame] | 2604 | src_buf = v4l2_m2m_src_buf_remove(curr_ctx->fh.m2m_ctx); |
| 2605 | dst_buf = v4l2_m2m_dst_buf_remove(curr_ctx->fh.m2m_ctx); |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 2606 | |
| 2607 | if (curr_ctx->mode == S5P_JPEG_ENCODE) |
Jacek Anaszewski | 9f7b62d | 2013-12-18 09:32:50 -0300 | [diff] [blame] | 2608 | enc_jpeg_too_large = s5p_jpeg_enc_stream_stat(jpeg->regs); |
| 2609 | timer_elapsed = s5p_jpeg_timer_stat(jpeg->regs); |
| 2610 | op_completed = s5p_jpeg_result_stat_ok(jpeg->regs); |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 2611 | if (curr_ctx->mode == S5P_JPEG_DECODE) |
Jacek Anaszewski | 9f7b62d | 2013-12-18 09:32:50 -0300 | [diff] [blame] | 2612 | op_completed = op_completed && |
| 2613 | s5p_jpeg_stream_stat_ok(jpeg->regs); |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 2614 | |
| 2615 | if (enc_jpeg_too_large) { |
| 2616 | state = VB2_BUF_STATE_ERROR; |
Jacek Anaszewski | 9f7b62d | 2013-12-18 09:32:50 -0300 | [diff] [blame] | 2617 | s5p_jpeg_clear_enc_stream_stat(jpeg->regs); |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 2618 | } else if (timer_elapsed) { |
| 2619 | state = VB2_BUF_STATE_ERROR; |
Jacek Anaszewski | 9f7b62d | 2013-12-18 09:32:50 -0300 | [diff] [blame] | 2620 | s5p_jpeg_clear_timer_stat(jpeg->regs); |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 2621 | } else if (!op_completed) { |
| 2622 | state = VB2_BUF_STATE_ERROR; |
| 2623 | } else { |
Jacek Anaszewski | 9f7b62d | 2013-12-18 09:32:50 -0300 | [diff] [blame] | 2624 | payload_size = s5p_jpeg_compressed_size(jpeg->regs); |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 2625 | } |
| 2626 | |
Junghak Sung | 2d70071 | 2015-09-22 10:30:30 -0300 | [diff] [blame] | 2627 | dst_buf->timecode = src_buf->timecode; |
Junghak Sung | d6dd645 | 2015-11-03 08:16:37 -0200 | [diff] [blame] | 2628 | dst_buf->vb2_buf.timestamp = src_buf->vb2_buf.timestamp; |
Junghak Sung | 2d70071 | 2015-09-22 10:30:30 -0300 | [diff] [blame] | 2629 | dst_buf->flags &= ~V4L2_BUF_FLAG_TSTAMP_SRC_MASK; |
| 2630 | dst_buf->flags |= |
| 2631 | src_buf->flags & V4L2_BUF_FLAG_TSTAMP_SRC_MASK; |
Kamil Debski | aca326a | 2013-04-24 10:08:02 -0300 | [diff] [blame] | 2632 | |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 2633 | v4l2_m2m_buf_done(src_buf, state); |
| 2634 | if (curr_ctx->mode == S5P_JPEG_ENCODE) |
Junghak Sung | 2d70071 | 2015-09-22 10:30:30 -0300 | [diff] [blame] | 2635 | vb2_set_plane_payload(&dst_buf->vb2_buf, 0, payload_size); |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 2636 | v4l2_m2m_buf_done(dst_buf, state); |
Sylwester Nawrocki | 718cf4a | 2013-08-25 17:16:56 -0300 | [diff] [blame] | 2637 | v4l2_m2m_job_finish(jpeg->m2m_dev, curr_ctx->fh.m2m_ctx); |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 2638 | |
Jacek Anaszewski | 9f7b62d | 2013-12-18 09:32:50 -0300 | [diff] [blame] | 2639 | curr_ctx->subsampling = s5p_jpeg_get_subsampling_mode(jpeg->regs); |
Sylwester Nawrocki | 15f4bc3 | 2012-02-17 11:39:36 -0300 | [diff] [blame] | 2640 | spin_unlock(&jpeg->slock); |
Andrzej Pietrasiewicz | fb6f8c0 | 2012-02-20 07:32:25 -0300 | [diff] [blame] | 2641 | |
Jacek Anaszewski | 9f7b62d | 2013-12-18 09:32:50 -0300 | [diff] [blame] | 2642 | s5p_jpeg_clear_int(jpeg->regs); |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 2643 | |
| 2644 | return IRQ_HANDLED; |
| 2645 | } |
| 2646 | |
Jacek Anaszewski | 80529ae | 2013-12-18 11:04:44 -0300 | [diff] [blame] | 2647 | static irqreturn_t exynos4_jpeg_irq(int irq, void *priv) |
| 2648 | { |
| 2649 | unsigned int int_status; |
Junghak Sung | 2d70071 | 2015-09-22 10:30:30 -0300 | [diff] [blame] | 2650 | struct vb2_v4l2_buffer *src_vb, *dst_vb; |
Jacek Anaszewski | 80529ae | 2013-12-18 11:04:44 -0300 | [diff] [blame] | 2651 | struct s5p_jpeg *jpeg = priv; |
| 2652 | struct s5p_jpeg_ctx *curr_ctx; |
| 2653 | unsigned long payload_size = 0; |
| 2654 | |
| 2655 | spin_lock(&jpeg->slock); |
| 2656 | |
| 2657 | curr_ctx = v4l2_m2m_get_curr_priv(jpeg->m2m_dev); |
| 2658 | |
| 2659 | src_vb = v4l2_m2m_src_buf_remove(curr_ctx->fh.m2m_ctx); |
| 2660 | dst_vb = v4l2_m2m_dst_buf_remove(curr_ctx->fh.m2m_ctx); |
| 2661 | |
| 2662 | int_status = exynos4_jpeg_get_int_status(jpeg->regs); |
| 2663 | |
| 2664 | if (int_status) { |
| 2665 | switch (int_status & 0x1f) { |
| 2666 | case 0x1: |
| 2667 | jpeg->irq_ret = ERR_PROT; |
| 2668 | break; |
| 2669 | case 0x2: |
| 2670 | jpeg->irq_ret = OK_ENC_OR_DEC; |
| 2671 | break; |
| 2672 | case 0x4: |
| 2673 | jpeg->irq_ret = ERR_DEC_INVALID_FORMAT; |
| 2674 | break; |
| 2675 | case 0x8: |
| 2676 | jpeg->irq_ret = ERR_MULTI_SCAN; |
| 2677 | break; |
| 2678 | case 0x10: |
| 2679 | jpeg->irq_ret = ERR_FRAME; |
| 2680 | break; |
| 2681 | default: |
| 2682 | jpeg->irq_ret = ERR_UNKNOWN; |
| 2683 | break; |
| 2684 | } |
| 2685 | } else { |
| 2686 | jpeg->irq_ret = ERR_UNKNOWN; |
| 2687 | } |
| 2688 | |
| 2689 | if (jpeg->irq_ret == OK_ENC_OR_DEC) { |
| 2690 | if (curr_ctx->mode == S5P_JPEG_ENCODE) { |
| 2691 | payload_size = exynos4_jpeg_get_stream_size(jpeg->regs); |
Junghak Sung | 2d70071 | 2015-09-22 10:30:30 -0300 | [diff] [blame] | 2692 | vb2_set_plane_payload(&dst_vb->vb2_buf, |
| 2693 | 0, payload_size); |
Jacek Anaszewski | 80529ae | 2013-12-18 11:04:44 -0300 | [diff] [blame] | 2694 | } |
| 2695 | v4l2_m2m_buf_done(src_vb, VB2_BUF_STATE_DONE); |
| 2696 | v4l2_m2m_buf_done(dst_vb, VB2_BUF_STATE_DONE); |
| 2697 | } else { |
| 2698 | v4l2_m2m_buf_done(src_vb, VB2_BUF_STATE_ERROR); |
| 2699 | v4l2_m2m_buf_done(dst_vb, VB2_BUF_STATE_ERROR); |
| 2700 | } |
| 2701 | |
| 2702 | v4l2_m2m_job_finish(jpeg->m2m_dev, curr_ctx->fh.m2m_ctx); |
Andrzej Pietrasiewicz | 6c96dbb | 2015-09-18 11:20:58 -0300 | [diff] [blame] | 2703 | if (jpeg->variant->version == SJPEG_EXYNOS4) |
| 2704 | curr_ctx->subsampling = exynos4_jpeg_get_frame_fmt(jpeg->regs); |
Jacek Anaszewski | 80529ae | 2013-12-18 11:04:44 -0300 | [diff] [blame] | 2705 | |
| 2706 | spin_unlock(&jpeg->slock); |
| 2707 | return IRQ_HANDLED; |
| 2708 | } |
| 2709 | |
Jacek Anaszewski | 3246fda | 2014-07-11 12:19:42 -0300 | [diff] [blame] | 2710 | static irqreturn_t exynos3250_jpeg_irq(int irq, void *dev_id) |
| 2711 | { |
| 2712 | struct s5p_jpeg *jpeg = dev_id; |
| 2713 | struct s5p_jpeg_ctx *curr_ctx; |
Junghak Sung | 2d70071 | 2015-09-22 10:30:30 -0300 | [diff] [blame] | 2714 | struct vb2_v4l2_buffer *src_buf, *dst_buf; |
Jacek Anaszewski | 3246fda | 2014-07-11 12:19:42 -0300 | [diff] [blame] | 2715 | unsigned long payload_size = 0; |
| 2716 | enum vb2_buffer_state state = VB2_BUF_STATE_DONE; |
| 2717 | bool interrupt_timeout = false; |
| 2718 | u32 irq_status; |
| 2719 | |
| 2720 | spin_lock(&jpeg->slock); |
| 2721 | |
| 2722 | irq_status = exynos3250_jpeg_get_timer_status(jpeg->regs); |
| 2723 | if (irq_status & EXYNOS3250_TIMER_INT_STAT) { |
| 2724 | exynos3250_jpeg_clear_timer_status(jpeg->regs); |
| 2725 | interrupt_timeout = true; |
| 2726 | dev_err(jpeg->dev, "Interrupt timeout occurred.\n"); |
| 2727 | } |
| 2728 | |
| 2729 | irq_status = exynos3250_jpeg_get_int_status(jpeg->regs); |
| 2730 | exynos3250_jpeg_clear_int_status(jpeg->regs, irq_status); |
| 2731 | |
| 2732 | jpeg->irq_status |= irq_status; |
| 2733 | |
| 2734 | curr_ctx = v4l2_m2m_get_curr_priv(jpeg->m2m_dev); |
| 2735 | |
| 2736 | if (!curr_ctx) |
| 2737 | goto exit_unlock; |
| 2738 | |
| 2739 | if ((irq_status & EXYNOS3250_HEADER_STAT) && |
| 2740 | (curr_ctx->mode == S5P_JPEG_DECODE)) { |
| 2741 | exynos3250_jpeg_rstart(jpeg->regs); |
| 2742 | goto exit_unlock; |
| 2743 | } |
| 2744 | |
| 2745 | if (jpeg->irq_status & (EXYNOS3250_JPEG_DONE | |
| 2746 | EXYNOS3250_WDMA_DONE | |
| 2747 | EXYNOS3250_RDMA_DONE | |
| 2748 | EXYNOS3250_RESULT_STAT)) |
| 2749 | payload_size = exynos3250_jpeg_compressed_size(jpeg->regs); |
| 2750 | else if (interrupt_timeout) |
| 2751 | state = VB2_BUF_STATE_ERROR; |
| 2752 | else |
| 2753 | goto exit_unlock; |
| 2754 | |
| 2755 | src_buf = v4l2_m2m_src_buf_remove(curr_ctx->fh.m2m_ctx); |
| 2756 | dst_buf = v4l2_m2m_dst_buf_remove(curr_ctx->fh.m2m_ctx); |
| 2757 | |
Junghak Sung | 2d70071 | 2015-09-22 10:30:30 -0300 | [diff] [blame] | 2758 | dst_buf->timecode = src_buf->timecode; |
Junghak Sung | d6dd645 | 2015-11-03 08:16:37 -0200 | [diff] [blame] | 2759 | dst_buf->vb2_buf.timestamp = src_buf->vb2_buf.timestamp; |
Jacek Anaszewski | 3246fda | 2014-07-11 12:19:42 -0300 | [diff] [blame] | 2760 | |
| 2761 | v4l2_m2m_buf_done(src_buf, state); |
| 2762 | if (curr_ctx->mode == S5P_JPEG_ENCODE) |
Junghak Sung | 2d70071 | 2015-09-22 10:30:30 -0300 | [diff] [blame] | 2763 | vb2_set_plane_payload(&dst_buf->vb2_buf, 0, payload_size); |
Jacek Anaszewski | 3246fda | 2014-07-11 12:19:42 -0300 | [diff] [blame] | 2764 | v4l2_m2m_buf_done(dst_buf, state); |
| 2765 | v4l2_m2m_job_finish(jpeg->m2m_dev, curr_ctx->fh.m2m_ctx); |
| 2766 | |
| 2767 | curr_ctx->subsampling = |
| 2768 | exynos3250_jpeg_get_subsampling_mode(jpeg->regs); |
| 2769 | exit_unlock: |
| 2770 | spin_unlock(&jpeg->slock); |
| 2771 | return IRQ_HANDLED; |
| 2772 | } |
| 2773 | |
Jacek Anaszewski | 79a38a8 | 2014-04-10 04:32:14 -0300 | [diff] [blame] | 2774 | static void *jpeg_get_drv_data(struct device *dev); |
Jacek Anaszewski | 80529ae | 2013-12-18 11:04:44 -0300 | [diff] [blame] | 2775 | |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 2776 | /* |
| 2777 | * ============================================================================ |
| 2778 | * Driver basic infrastructure |
| 2779 | * ============================================================================ |
| 2780 | */ |
| 2781 | |
| 2782 | static int s5p_jpeg_probe(struct platform_device *pdev) |
| 2783 | { |
| 2784 | struct s5p_jpeg *jpeg; |
| 2785 | struct resource *res; |
Marek Szyprowski | b95a24d | 2015-09-18 11:20:57 -0300 | [diff] [blame] | 2786 | int i, ret; |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 2787 | |
| 2788 | /* JPEG IP abstraction struct */ |
Sachin Kamat | 5b58b95 | 2012-05-14 06:33:34 -0300 | [diff] [blame] | 2789 | jpeg = devm_kzalloc(&pdev->dev, sizeof(struct s5p_jpeg), GFP_KERNEL); |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 2790 | if (!jpeg) |
| 2791 | return -ENOMEM; |
| 2792 | |
Jacek Anaszewski | 79a38a8 | 2014-04-10 04:32:14 -0300 | [diff] [blame] | 2793 | jpeg->variant = jpeg_get_drv_data(&pdev->dev); |
Jacek Anaszewski | 80529ae | 2013-12-18 11:04:44 -0300 | [diff] [blame] | 2794 | |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 2795 | mutex_init(&jpeg->lock); |
Sylwester Nawrocki | 15f4bc3 | 2012-02-17 11:39:36 -0300 | [diff] [blame] | 2796 | spin_lock_init(&jpeg->slock); |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 2797 | jpeg->dev = &pdev->dev; |
| 2798 | |
| 2799 | /* memory-mapped registers */ |
| 2800 | res = platform_get_resource(pdev, IORESOURCE_MEM, 0); |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 2801 | |
Thierry Reding | f23999e | 2013-01-21 06:09:07 -0300 | [diff] [blame] | 2802 | jpeg->regs = devm_ioremap_resource(&pdev->dev, res); |
| 2803 | if (IS_ERR(jpeg->regs)) |
| 2804 | return PTR_ERR(jpeg->regs); |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 2805 | |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 2806 | /* interrupt service routine registration */ |
| 2807 | jpeg->irq = ret = platform_get_irq(pdev, 0); |
| 2808 | if (ret < 0) { |
| 2809 | dev_err(&pdev->dev, "cannot find IRQ\n"); |
Sachin Kamat | 5b58b95 | 2012-05-14 06:33:34 -0300 | [diff] [blame] | 2810 | return ret; |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 2811 | } |
| 2812 | |
Jacek Anaszewski | 80529ae | 2013-12-18 11:04:44 -0300 | [diff] [blame] | 2813 | ret = devm_request_irq(&pdev->dev, jpeg->irq, jpeg->variant->jpeg_irq, |
| 2814 | 0, dev_name(&pdev->dev), jpeg); |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 2815 | if (ret) { |
| 2816 | dev_err(&pdev->dev, "cannot claim IRQ %d\n", jpeg->irq); |
Sachin Kamat | 5b58b95 | 2012-05-14 06:33:34 -0300 | [diff] [blame] | 2817 | return ret; |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 2818 | } |
| 2819 | |
| 2820 | /* clocks */ |
Marek Szyprowski | b95a24d | 2015-09-18 11:20:57 -0300 | [diff] [blame] | 2821 | for (i = 0; i < jpeg->variant->num_clocks; i++) { |
| 2822 | jpeg->clocks[i] = devm_clk_get(&pdev->dev, |
| 2823 | jpeg->variant->clk_names[i]); |
| 2824 | if (IS_ERR(jpeg->clocks[i])) { |
| 2825 | dev_err(&pdev->dev, "failed to get clock: %s\n", |
| 2826 | jpeg->variant->clk_names[i]); |
| 2827 | return PTR_ERR(jpeg->clocks[i]); |
| 2828 | } |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 2829 | } |
Jacek Anaszewski | 3246fda | 2014-07-11 12:19:42 -0300 | [diff] [blame] | 2830 | |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 2831 | /* v4l2 device */ |
| 2832 | ret = v4l2_device_register(&pdev->dev, &jpeg->v4l2_dev); |
| 2833 | if (ret) { |
| 2834 | dev_err(&pdev->dev, "Failed to register v4l2 device\n"); |
Marek Szyprowski | b95a24d | 2015-09-18 11:20:57 -0300 | [diff] [blame] | 2835 | return ret; |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 2836 | } |
| 2837 | |
| 2838 | /* mem2mem device */ |
Jacek Anaszewski | bf689bb | 2014-04-10 04:32:13 -0300 | [diff] [blame] | 2839 | jpeg->m2m_dev = v4l2_m2m_init(jpeg->variant->m2m_ops); |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 2840 | if (IS_ERR(jpeg->m2m_dev)) { |
| 2841 | v4l2_err(&jpeg->v4l2_dev, "Failed to init mem2mem device\n"); |
| 2842 | ret = PTR_ERR(jpeg->m2m_dev); |
| 2843 | goto device_register_rollback; |
| 2844 | } |
| 2845 | |
| 2846 | jpeg->alloc_ctx = vb2_dma_contig_init_ctx(&pdev->dev); |
| 2847 | if (IS_ERR(jpeg->alloc_ctx)) { |
| 2848 | v4l2_err(&jpeg->v4l2_dev, "Failed to init memory allocator\n"); |
| 2849 | ret = PTR_ERR(jpeg->alloc_ctx); |
| 2850 | goto m2m_init_rollback; |
| 2851 | } |
| 2852 | |
| 2853 | /* JPEG encoder /dev/videoX node */ |
| 2854 | jpeg->vfd_encoder = video_device_alloc(); |
| 2855 | if (!jpeg->vfd_encoder) { |
| 2856 | v4l2_err(&jpeg->v4l2_dev, "Failed to allocate video device\n"); |
| 2857 | ret = -ENOMEM; |
| 2858 | goto vb2_allocator_rollback; |
| 2859 | } |
Seung-Woo Kim | baaf046 | 2013-10-10 04:45:56 -0300 | [diff] [blame] | 2860 | snprintf(jpeg->vfd_encoder->name, sizeof(jpeg->vfd_encoder->name), |
| 2861 | "%s-enc", S5P_JPEG_M2M_NAME); |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 2862 | jpeg->vfd_encoder->fops = &s5p_jpeg_fops; |
| 2863 | jpeg->vfd_encoder->ioctl_ops = &s5p_jpeg_ioctl_ops; |
| 2864 | jpeg->vfd_encoder->minor = -1; |
| 2865 | jpeg->vfd_encoder->release = video_device_release; |
| 2866 | jpeg->vfd_encoder->lock = &jpeg->lock; |
| 2867 | jpeg->vfd_encoder->v4l2_dev = &jpeg->v4l2_dev; |
Hans Verkuil | 954f340 | 2012-09-05 06:05:50 -0300 | [diff] [blame] | 2868 | jpeg->vfd_encoder->vfl_dir = VFL_DIR_M2M; |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 2869 | |
| 2870 | ret = video_register_device(jpeg->vfd_encoder, VFL_TYPE_GRABBER, -1); |
| 2871 | if (ret) { |
| 2872 | v4l2_err(&jpeg->v4l2_dev, "Failed to register video device\n"); |
Andrzej Pietrasiewicz | 7a1d4e7 | 2015-07-03 07:04:38 -0300 | [diff] [blame] | 2873 | video_device_release(jpeg->vfd_encoder); |
| 2874 | goto vb2_allocator_rollback; |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 2875 | } |
| 2876 | |
| 2877 | video_set_drvdata(jpeg->vfd_encoder, jpeg); |
| 2878 | v4l2_info(&jpeg->v4l2_dev, |
| 2879 | "encoder device registered as /dev/video%d\n", |
| 2880 | jpeg->vfd_encoder->num); |
| 2881 | |
| 2882 | /* JPEG decoder /dev/videoX node */ |
| 2883 | jpeg->vfd_decoder = video_device_alloc(); |
| 2884 | if (!jpeg->vfd_decoder) { |
| 2885 | v4l2_err(&jpeg->v4l2_dev, "Failed to allocate video device\n"); |
| 2886 | ret = -ENOMEM; |
| 2887 | goto enc_vdev_register_rollback; |
| 2888 | } |
Seung-Woo Kim | baaf046 | 2013-10-10 04:45:56 -0300 | [diff] [blame] | 2889 | snprintf(jpeg->vfd_decoder->name, sizeof(jpeg->vfd_decoder->name), |
| 2890 | "%s-dec", S5P_JPEG_M2M_NAME); |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 2891 | jpeg->vfd_decoder->fops = &s5p_jpeg_fops; |
| 2892 | jpeg->vfd_decoder->ioctl_ops = &s5p_jpeg_ioctl_ops; |
| 2893 | jpeg->vfd_decoder->minor = -1; |
| 2894 | jpeg->vfd_decoder->release = video_device_release; |
| 2895 | jpeg->vfd_decoder->lock = &jpeg->lock; |
| 2896 | jpeg->vfd_decoder->v4l2_dev = &jpeg->v4l2_dev; |
Jacek Anaszewski | 7f7d8fe | 2013-09-11 06:17:45 -0300 | [diff] [blame] | 2897 | jpeg->vfd_decoder->vfl_dir = VFL_DIR_M2M; |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 2898 | |
| 2899 | ret = video_register_device(jpeg->vfd_decoder, VFL_TYPE_GRABBER, -1); |
| 2900 | if (ret) { |
| 2901 | v4l2_err(&jpeg->v4l2_dev, "Failed to register video device\n"); |
Andrzej Pietrasiewicz | 7a1d4e7 | 2015-07-03 07:04:38 -0300 | [diff] [blame] | 2902 | video_device_release(jpeg->vfd_decoder); |
| 2903 | goto enc_vdev_register_rollback; |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 2904 | } |
| 2905 | |
| 2906 | video_set_drvdata(jpeg->vfd_decoder, jpeg); |
| 2907 | v4l2_info(&jpeg->v4l2_dev, |
| 2908 | "decoder device registered as /dev/video%d\n", |
| 2909 | jpeg->vfd_decoder->num); |
| 2910 | |
| 2911 | /* final statements & power management */ |
| 2912 | platform_set_drvdata(pdev, jpeg); |
| 2913 | |
| 2914 | pm_runtime_enable(&pdev->dev); |
| 2915 | |
| 2916 | v4l2_info(&jpeg->v4l2_dev, "Samsung S5P JPEG codec\n"); |
| 2917 | |
| 2918 | return 0; |
| 2919 | |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 2920 | enc_vdev_register_rollback: |
| 2921 | video_unregister_device(jpeg->vfd_encoder); |
| 2922 | |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 2923 | vb2_allocator_rollback: |
| 2924 | vb2_dma_contig_cleanup_ctx(jpeg->alloc_ctx); |
| 2925 | |
| 2926 | m2m_init_rollback: |
| 2927 | v4l2_m2m_release(jpeg->m2m_dev); |
| 2928 | |
| 2929 | device_register_rollback: |
| 2930 | v4l2_device_unregister(&jpeg->v4l2_dev); |
| 2931 | |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 2932 | return ret; |
| 2933 | } |
| 2934 | |
| 2935 | static int s5p_jpeg_remove(struct platform_device *pdev) |
| 2936 | { |
| 2937 | struct s5p_jpeg *jpeg = platform_get_drvdata(pdev); |
Marek Szyprowski | b95a24d | 2015-09-18 11:20:57 -0300 | [diff] [blame] | 2938 | int i; |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 2939 | |
| 2940 | pm_runtime_disable(jpeg->dev); |
| 2941 | |
| 2942 | video_unregister_device(jpeg->vfd_decoder); |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 2943 | video_unregister_device(jpeg->vfd_encoder); |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 2944 | vb2_dma_contig_cleanup_ctx(jpeg->alloc_ctx); |
| 2945 | v4l2_m2m_release(jpeg->m2m_dev); |
| 2946 | v4l2_device_unregister(&jpeg->v4l2_dev); |
| 2947 | |
Jacek Anaszewski | 3246fda | 2014-07-11 12:19:42 -0300 | [diff] [blame] | 2948 | if (!pm_runtime_status_suspended(&pdev->dev)) { |
Marek Szyprowski | b95a24d | 2015-09-18 11:20:57 -0300 | [diff] [blame] | 2949 | for (i = jpeg->variant->num_clocks - 1; i >= 0; i--) |
| 2950 | clk_disable_unprepare(jpeg->clocks[i]); |
Jacek Anaszewski | 3246fda | 2014-07-11 12:19:42 -0300 | [diff] [blame] | 2951 | } |
Jacek Anaszewski | f134713 | 2013-11-25 06:58:13 -0300 | [diff] [blame] | 2952 | |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 2953 | return 0; |
| 2954 | } |
| 2955 | |
Rafael J. Wysocki | e243c7c | 2014-12-04 01:10:10 +0100 | [diff] [blame] | 2956 | #ifdef CONFIG_PM |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 2957 | static int s5p_jpeg_runtime_suspend(struct device *dev) |
| 2958 | { |
Jacek Anaszewski | f134713 | 2013-11-25 06:58:13 -0300 | [diff] [blame] | 2959 | struct s5p_jpeg *jpeg = dev_get_drvdata(dev); |
Marek Szyprowski | b95a24d | 2015-09-18 11:20:57 -0300 | [diff] [blame] | 2960 | int i; |
Jacek Anaszewski | f134713 | 2013-11-25 06:58:13 -0300 | [diff] [blame] | 2961 | |
Marek Szyprowski | b95a24d | 2015-09-18 11:20:57 -0300 | [diff] [blame] | 2962 | for (i = jpeg->variant->num_clocks - 1; i >= 0; i--) |
| 2963 | clk_disable_unprepare(jpeg->clocks[i]); |
Jacek Anaszewski | f134713 | 2013-11-25 06:58:13 -0300 | [diff] [blame] | 2964 | |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 2965 | return 0; |
| 2966 | } |
| 2967 | |
| 2968 | static int s5p_jpeg_runtime_resume(struct device *dev) |
| 2969 | { |
| 2970 | struct s5p_jpeg *jpeg = dev_get_drvdata(dev); |
Jacek Anaszewski | b3c932a | 2013-11-25 06:58:14 -0300 | [diff] [blame] | 2971 | unsigned long flags; |
Marek Szyprowski | b95a24d | 2015-09-18 11:20:57 -0300 | [diff] [blame] | 2972 | int i, ret; |
Jacek Anaszewski | f134713 | 2013-11-25 06:58:13 -0300 | [diff] [blame] | 2973 | |
Marek Szyprowski | b95a24d | 2015-09-18 11:20:57 -0300 | [diff] [blame] | 2974 | for (i = 0; i < jpeg->variant->num_clocks; i++) { |
| 2975 | ret = clk_prepare_enable(jpeg->clocks[i]); |
| 2976 | if (ret) { |
| 2977 | while (--i > 0) |
| 2978 | clk_disable_unprepare(jpeg->clocks[i]); |
Jacek Anaszewski | 3246fda | 2014-07-11 12:19:42 -0300 | [diff] [blame] | 2979 | return ret; |
Marek Szyprowski | b95a24d | 2015-09-18 11:20:57 -0300 | [diff] [blame] | 2980 | } |
Jacek Anaszewski | 3246fda | 2014-07-11 12:19:42 -0300 | [diff] [blame] | 2981 | } |
| 2982 | |
Jacek Anaszewski | b3c932a | 2013-11-25 06:58:14 -0300 | [diff] [blame] | 2983 | spin_lock_irqsave(&jpeg->slock, flags); |
| 2984 | |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 2985 | /* |
Jacek Anaszewski | 3246fda | 2014-07-11 12:19:42 -0300 | [diff] [blame] | 2986 | * JPEG IP allows storing two Huffman tables for each component. |
Jacek Anaszewski | 80529ae | 2013-12-18 11:04:44 -0300 | [diff] [blame] | 2987 | * We fill table 0 for each component and do this here only |
Andrzej Pietrasiewicz | 7c15fd4 | 2015-03-09 09:32:46 -0300 | [diff] [blame] | 2988 | * for S5PC210 and Exynos3250 SoCs. Exynos4x12 and Exynos542x SoC |
| 2989 | * require programming their Huffman tables each time the encoding |
| 2990 | * process is initialized, and thus it is accomplished in the |
| 2991 | * device_run callback of m2m_ops. |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 2992 | */ |
Andrzej Pietrasiewicz | 7c15fd4 | 2015-03-09 09:32:46 -0300 | [diff] [blame] | 2993 | if (!jpeg->variant->htbl_reinit) { |
Jacek Anaszewski | 80529ae | 2013-12-18 11:04:44 -0300 | [diff] [blame] | 2994 | s5p_jpeg_set_hdctbl(jpeg->regs); |
| 2995 | s5p_jpeg_set_hdctblg(jpeg->regs); |
| 2996 | s5p_jpeg_set_hactbl(jpeg->regs); |
| 2997 | s5p_jpeg_set_hactblg(jpeg->regs); |
| 2998 | } |
Jacek Anaszewski | 31dc0ac | 2013-11-25 06:58:12 -0300 | [diff] [blame] | 2999 | |
Jacek Anaszewski | b3c932a | 2013-11-25 06:58:14 -0300 | [diff] [blame] | 3000 | spin_unlock_irqrestore(&jpeg->slock, flags); |
| 3001 | |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 3002 | return 0; |
| 3003 | } |
Rafael J. Wysocki | e243c7c | 2014-12-04 01:10:10 +0100 | [diff] [blame] | 3004 | #endif /* CONFIG_PM */ |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 3005 | |
Thierry Reding | de3767a | 2014-10-14 07:10:40 -0300 | [diff] [blame] | 3006 | #ifdef CONFIG_PM_SLEEP |
Jacek Anaszewski | f134713 | 2013-11-25 06:58:13 -0300 | [diff] [blame] | 3007 | static int s5p_jpeg_suspend(struct device *dev) |
| 3008 | { |
| 3009 | if (pm_runtime_suspended(dev)) |
| 3010 | return 0; |
| 3011 | |
| 3012 | return s5p_jpeg_runtime_suspend(dev); |
| 3013 | } |
| 3014 | |
| 3015 | static int s5p_jpeg_resume(struct device *dev) |
| 3016 | { |
| 3017 | if (pm_runtime_suspended(dev)) |
| 3018 | return 0; |
| 3019 | |
| 3020 | return s5p_jpeg_runtime_resume(dev); |
| 3021 | } |
Thierry Reding | de3767a | 2014-10-14 07:10:40 -0300 | [diff] [blame] | 3022 | #endif |
Jacek Anaszewski | f134713 | 2013-11-25 06:58:13 -0300 | [diff] [blame] | 3023 | |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 3024 | static const struct dev_pm_ops s5p_jpeg_pm_ops = { |
Jacek Anaszewski | f134713 | 2013-11-25 06:58:13 -0300 | [diff] [blame] | 3025 | SET_SYSTEM_SLEEP_PM_OPS(s5p_jpeg_suspend, s5p_jpeg_resume) |
| 3026 | SET_RUNTIME_PM_OPS(s5p_jpeg_runtime_suspend, s5p_jpeg_runtime_resume, NULL) |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 3027 | }; |
| 3028 | |
Jacek Anaszewski | 80529ae | 2013-12-18 11:04:44 -0300 | [diff] [blame] | 3029 | static struct s5p_jpeg_variant s5p_jpeg_drvdata = { |
| 3030 | .version = SJPEG_S5P, |
| 3031 | .jpeg_irq = s5p_jpeg_irq, |
Jacek Anaszewski | bf689bb | 2014-04-10 04:32:13 -0300 | [diff] [blame] | 3032 | .m2m_ops = &s5p_jpeg_m2m_ops, |
Jacek Anaszewski | b245168 | 2014-04-10 04:32:11 -0300 | [diff] [blame] | 3033 | .fmt_ver_flag = SJPEG_FMT_FLAG_S5P, |
Marek Szyprowski | b95a24d | 2015-09-18 11:20:57 -0300 | [diff] [blame] | 3034 | .clk_names = {"jpeg"}, |
| 3035 | .num_clocks = 1, |
Sylwester Nawrocki | f7074ab | 2013-08-18 16:14:27 -0300 | [diff] [blame] | 3036 | }; |
Jacek Anaszewski | 80529ae | 2013-12-18 11:04:44 -0300 | [diff] [blame] | 3037 | |
Jacek Anaszewski | 3246fda | 2014-07-11 12:19:42 -0300 | [diff] [blame] | 3038 | static struct s5p_jpeg_variant exynos3250_jpeg_drvdata = { |
| 3039 | .version = SJPEG_EXYNOS3250, |
| 3040 | .jpeg_irq = exynos3250_jpeg_irq, |
| 3041 | .m2m_ops = &exynos3250_jpeg_m2m_ops, |
| 3042 | .fmt_ver_flag = SJPEG_FMT_FLAG_EXYNOS3250, |
Andrzej Pietrasiewicz | 7c15fd4 | 2015-03-09 09:32:46 -0300 | [diff] [blame] | 3043 | .hw3250_compat = 1, |
Marek Szyprowski | b95a24d | 2015-09-18 11:20:57 -0300 | [diff] [blame] | 3044 | .clk_names = {"jpeg", "sclk"}, |
| 3045 | .num_clocks = 2, |
Jacek Anaszewski | 3246fda | 2014-07-11 12:19:42 -0300 | [diff] [blame] | 3046 | }; |
| 3047 | |
Jacek Anaszewski | 80529ae | 2013-12-18 11:04:44 -0300 | [diff] [blame] | 3048 | static struct s5p_jpeg_variant exynos4_jpeg_drvdata = { |
| 3049 | .version = SJPEG_EXYNOS4, |
| 3050 | .jpeg_irq = exynos4_jpeg_irq, |
Jacek Anaszewski | bf689bb | 2014-04-10 04:32:13 -0300 | [diff] [blame] | 3051 | .m2m_ops = &exynos4_jpeg_m2m_ops, |
Jacek Anaszewski | b245168 | 2014-04-10 04:32:11 -0300 | [diff] [blame] | 3052 | .fmt_ver_flag = SJPEG_FMT_FLAG_EXYNOS4, |
Andrzej Pietrasiewicz | 7c15fd4 | 2015-03-09 09:32:46 -0300 | [diff] [blame] | 3053 | .htbl_reinit = 1, |
Marek Szyprowski | b95a24d | 2015-09-18 11:20:57 -0300 | [diff] [blame] | 3054 | .clk_names = {"jpeg"}, |
| 3055 | .num_clocks = 1, |
Andrzej Pietrasiewicz | 6c96dbb | 2015-09-18 11:20:58 -0300 | [diff] [blame] | 3056 | .hw_ex4_compat = 1, |
Andrzej Pietrasiewicz | 7c15fd4 | 2015-03-09 09:32:46 -0300 | [diff] [blame] | 3057 | }; |
| 3058 | |
| 3059 | static struct s5p_jpeg_variant exynos5420_jpeg_drvdata = { |
| 3060 | .version = SJPEG_EXYNOS5420, |
| 3061 | .jpeg_irq = exynos3250_jpeg_irq, /* intentionally 3250 */ |
| 3062 | .m2m_ops = &exynos3250_jpeg_m2m_ops, /* intentionally 3250 */ |
| 3063 | .fmt_ver_flag = SJPEG_FMT_FLAG_EXYNOS3250, /* intentionally 3250 */ |
| 3064 | .hw3250_compat = 1, |
| 3065 | .htbl_reinit = 1, |
Marek Szyprowski | b95a24d | 2015-09-18 11:20:57 -0300 | [diff] [blame] | 3066 | .clk_names = {"jpeg"}, |
| 3067 | .num_clocks = 1, |
Jacek Anaszewski | 80529ae | 2013-12-18 11:04:44 -0300 | [diff] [blame] | 3068 | }; |
| 3069 | |
Andrzej Pietrasiewicz | 6c96dbb | 2015-09-18 11:20:58 -0300 | [diff] [blame] | 3070 | static struct s5p_jpeg_variant exynos5433_jpeg_drvdata = { |
| 3071 | .version = SJPEG_EXYNOS5433, |
| 3072 | .jpeg_irq = exynos4_jpeg_irq, |
| 3073 | .m2m_ops = &exynos4_jpeg_m2m_ops, |
| 3074 | .fmt_ver_flag = SJPEG_FMT_FLAG_EXYNOS4, |
| 3075 | .htbl_reinit = 1, |
| 3076 | .clk_names = {"pclk", "aclk", "aclk_xiu", "sclk"}, |
| 3077 | .num_clocks = 4, |
| 3078 | .hw_ex4_compat = 1, |
| 3079 | }; |
| 3080 | |
Jacek Anaszewski | 80529ae | 2013-12-18 11:04:44 -0300 | [diff] [blame] | 3081 | static const struct of_device_id samsung_jpeg_match[] = { |
| 3082 | { |
| 3083 | .compatible = "samsung,s5pv210-jpeg", |
| 3084 | .data = &s5p_jpeg_drvdata, |
| 3085 | }, { |
Jacek Anaszewski | 3246fda | 2014-07-11 12:19:42 -0300 | [diff] [blame] | 3086 | .compatible = "samsung,exynos3250-jpeg", |
| 3087 | .data = &exynos3250_jpeg_drvdata, |
| 3088 | }, { |
Jacek Anaszewski | 80529ae | 2013-12-18 11:04:44 -0300 | [diff] [blame] | 3089 | .compatible = "samsung,exynos4210-jpeg", |
Jacek Anaszewski | 3246fda | 2014-07-11 12:19:42 -0300 | [diff] [blame] | 3090 | .data = &exynos4_jpeg_drvdata, |
Jacek Anaszewski | 80529ae | 2013-12-18 11:04:44 -0300 | [diff] [blame] | 3091 | }, { |
| 3092 | .compatible = "samsung,exynos4212-jpeg", |
| 3093 | .data = &exynos4_jpeg_drvdata, |
Andrzej Pietrasiewicz | 7c15fd4 | 2015-03-09 09:32:46 -0300 | [diff] [blame] | 3094 | }, { |
| 3095 | .compatible = "samsung,exynos5420-jpeg", |
| 3096 | .data = &exynos5420_jpeg_drvdata, |
Andrzej Pietrasiewicz | 6c96dbb | 2015-09-18 11:20:58 -0300 | [diff] [blame] | 3097 | }, { |
| 3098 | .compatible = "samsung,exynos5433-jpeg", |
| 3099 | .data = &exynos5433_jpeg_drvdata, |
Jacek Anaszewski | 80529ae | 2013-12-18 11:04:44 -0300 | [diff] [blame] | 3100 | }, |
| 3101 | {}, |
| 3102 | }; |
| 3103 | |
| 3104 | MODULE_DEVICE_TABLE(of, samsung_jpeg_match); |
| 3105 | |
Jacek Anaszewski | 79a38a8 | 2014-04-10 04:32:14 -0300 | [diff] [blame] | 3106 | static void *jpeg_get_drv_data(struct device *dev) |
Jacek Anaszewski | 80529ae | 2013-12-18 11:04:44 -0300 | [diff] [blame] | 3107 | { |
| 3108 | struct s5p_jpeg_variant *driver_data = NULL; |
| 3109 | const struct of_device_id *match; |
| 3110 | |
Jacek Anaszewski | 79a38a8 | 2014-04-10 04:32:14 -0300 | [diff] [blame] | 3111 | if (!IS_ENABLED(CONFIG_OF) || !dev->of_node) |
| 3112 | return &s5p_jpeg_drvdata; |
| 3113 | |
| 3114 | match = of_match_node(samsung_jpeg_match, dev->of_node); |
| 3115 | |
Jacek Anaszewski | 80529ae | 2013-12-18 11:04:44 -0300 | [diff] [blame] | 3116 | if (match) |
| 3117 | driver_data = (struct s5p_jpeg_variant *)match->data; |
| 3118 | |
| 3119 | return driver_data; |
| 3120 | } |
Sylwester Nawrocki | f7074ab | 2013-08-18 16:14:27 -0300 | [diff] [blame] | 3121 | |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 3122 | static struct platform_driver s5p_jpeg_driver = { |
| 3123 | .probe = s5p_jpeg_probe, |
| 3124 | .remove = s5p_jpeg_remove, |
| 3125 | .driver = { |
Jacek Anaszewski | 80529ae | 2013-12-18 11:04:44 -0300 | [diff] [blame] | 3126 | .of_match_table = of_match_ptr(samsung_jpeg_match), |
Jacek Anaszewski | 80529ae | 2013-12-18 11:04:44 -0300 | [diff] [blame] | 3127 | .name = S5P_JPEG_M2M_NAME, |
| 3128 | .pm = &s5p_jpeg_pm_ops, |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 3129 | }, |
| 3130 | }; |
| 3131 | |
Sachin Kamat | 87e9429 | 2012-07-03 05:54:33 -0300 | [diff] [blame] | 3132 | module_platform_driver(s5p_jpeg_driver); |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 3133 | |
| 3134 | MODULE_AUTHOR("Andrzej Pietrasiewicz <andrzej.p@samsung.com>"); |
Jacek Anaszewski | 80529ae | 2013-12-18 11:04:44 -0300 | [diff] [blame] | 3135 | MODULE_AUTHOR("Jacek Anaszewski <j.anaszewski@samsung.com>"); |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 3136 | MODULE_DESCRIPTION("Samsung JPEG codec driver"); |
| 3137 | MODULE_LICENSE("GPL"); |