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> |
| 29 | #include <media/videobuf2-core.h> |
| 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: |
| 624 | if (ctx->subsampling > 3) |
| 625 | return V4L2_JPEG_CHROMA_SUBSAMPLING_411; |
| 626 | return exynos3250_decoded_subsampling[ctx->subsampling]; |
| 627 | case SJPEG_EXYNOS4: |
Jacek Anaszewski | 303b0a9 | 2013-12-18 11:14:00 -0300 | [diff] [blame] | 628 | if (ctx->subsampling > 2) |
| 629 | return V4L2_JPEG_CHROMA_SUBSAMPLING_420; |
| 630 | return exynos4x12_decoded_subsampling[ctx->subsampling]; |
Jacek Anaszewski | 3246fda | 2014-07-11 12:19:42 -0300 | [diff] [blame] | 631 | default: |
| 632 | return V4L2_JPEG_CHROMA_SUBSAMPLING_GRAY; |
Jacek Anaszewski | 303b0a9 | 2013-12-18 11:14:00 -0300 | [diff] [blame] | 633 | } |
| 634 | } |
| 635 | |
Jacek Anaszewski | 31dc0ac | 2013-11-25 06:58:12 -0300 | [diff] [blame] | 636 | static inline void s5p_jpeg_set_qtbl(void __iomem *regs, |
| 637 | const unsigned char *qtbl, |
| 638 | unsigned long tab, int len) |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 639 | { |
| 640 | int i; |
| 641 | |
| 642 | for (i = 0; i < len; i++) |
| 643 | writel((unsigned int)qtbl[i], regs + tab + (i * 0x04)); |
| 644 | } |
| 645 | |
Jacek Anaszewski | 31dc0ac | 2013-11-25 06:58:12 -0300 | [diff] [blame] | 646 | 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] | 647 | { |
| 648 | /* this driver fills quantisation table 0 with data for luma */ |
Jacek Anaszewski | 31dc0ac | 2013-11-25 06:58:12 -0300 | [diff] [blame] | 649 | s5p_jpeg_set_qtbl(regs, qtbl_luminance[quality], |
| 650 | S5P_JPG_QTBL_CONTENT(0), |
| 651 | ARRAY_SIZE(qtbl_luminance[quality])); |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 652 | } |
| 653 | |
Jacek Anaszewski | 31dc0ac | 2013-11-25 06:58:12 -0300 | [diff] [blame] | 654 | 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] | 655 | { |
| 656 | /* this driver fills quantisation table 1 with data for chroma */ |
Jacek Anaszewski | 31dc0ac | 2013-11-25 06:58:12 -0300 | [diff] [blame] | 657 | s5p_jpeg_set_qtbl(regs, qtbl_chrominance[quality], |
| 658 | S5P_JPG_QTBL_CONTENT(1), |
| 659 | ARRAY_SIZE(qtbl_chrominance[quality])); |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 660 | } |
| 661 | |
Jacek Anaszewski | 31dc0ac | 2013-11-25 06:58:12 -0300 | [diff] [blame] | 662 | static inline void s5p_jpeg_set_htbl(void __iomem *regs, |
| 663 | const unsigned char *htbl, |
| 664 | unsigned long tab, int len) |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 665 | { |
| 666 | int i; |
| 667 | |
| 668 | for (i = 0; i < len; i++) |
| 669 | writel((unsigned int)htbl[i], regs + tab + (i * 0x04)); |
| 670 | } |
| 671 | |
Jacek Anaszewski | 31dc0ac | 2013-11-25 06:58:12 -0300 | [diff] [blame] | 672 | static inline void s5p_jpeg_set_hdctbl(void __iomem *regs) |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 673 | { |
| 674 | /* this driver fills table 0 for this component */ |
Jacek Anaszewski | 31dc0ac | 2013-11-25 06:58:12 -0300 | [diff] [blame] | 675 | s5p_jpeg_set_htbl(regs, hdctbl0, S5P_JPG_HDCTBL(0), |
| 676 | ARRAY_SIZE(hdctbl0)); |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 677 | } |
| 678 | |
Jacek Anaszewski | 31dc0ac | 2013-11-25 06:58:12 -0300 | [diff] [blame] | 679 | static inline void s5p_jpeg_set_hdctblg(void __iomem *regs) |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 680 | { |
| 681 | /* this driver fills table 0 for this component */ |
Jacek Anaszewski | 31dc0ac | 2013-11-25 06:58:12 -0300 | [diff] [blame] | 682 | s5p_jpeg_set_htbl(regs, hdctblg0, S5P_JPG_HDCTBLG(0), |
| 683 | ARRAY_SIZE(hdctblg0)); |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 684 | } |
| 685 | |
Jacek Anaszewski | 31dc0ac | 2013-11-25 06:58:12 -0300 | [diff] [blame] | 686 | static inline void s5p_jpeg_set_hactbl(void __iomem *regs) |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 687 | { |
| 688 | /* this driver fills table 0 for this component */ |
Jacek Anaszewski | 31dc0ac | 2013-11-25 06:58:12 -0300 | [diff] [blame] | 689 | s5p_jpeg_set_htbl(regs, hactbl0, S5P_JPG_HACTBL(0), |
| 690 | ARRAY_SIZE(hactbl0)); |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 691 | } |
| 692 | |
Jacek Anaszewski | 31dc0ac | 2013-11-25 06:58:12 -0300 | [diff] [blame] | 693 | static inline void s5p_jpeg_set_hactblg(void __iomem *regs) |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 694 | { |
| 695 | /* this driver fills table 0 for this component */ |
Jacek Anaszewski | 31dc0ac | 2013-11-25 06:58:12 -0300 | [diff] [blame] | 696 | s5p_jpeg_set_htbl(regs, hactblg0, S5P_JPG_HACTBLG(0), |
| 697 | ARRAY_SIZE(hactblg0)); |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 698 | } |
| 699 | |
Jacek Anaszewski | 80529ae | 2013-12-18 11:04:44 -0300 | [diff] [blame] | 700 | static inline void exynos4_jpeg_set_tbl(void __iomem *regs, |
| 701 | const unsigned char *tbl, |
| 702 | unsigned long tab, int len) |
| 703 | { |
| 704 | int i; |
| 705 | unsigned int dword; |
| 706 | |
| 707 | for (i = 0; i < len; i += 4) { |
| 708 | dword = tbl[i] | |
| 709 | (tbl[i + 1] << 8) | |
| 710 | (tbl[i + 2] << 16) | |
| 711 | (tbl[i + 3] << 24); |
| 712 | writel(dword, regs + tab + i); |
| 713 | } |
| 714 | } |
| 715 | |
| 716 | static inline void exynos4_jpeg_set_qtbl_lum(void __iomem *regs, int quality) |
| 717 | { |
| 718 | /* this driver fills quantisation table 0 with data for luma */ |
| 719 | exynos4_jpeg_set_tbl(regs, qtbl_luminance[quality], |
| 720 | EXYNOS4_QTBL_CONTENT(0), |
| 721 | ARRAY_SIZE(qtbl_luminance[quality])); |
| 722 | } |
| 723 | |
| 724 | static inline void exynos4_jpeg_set_qtbl_chr(void __iomem *regs, int quality) |
| 725 | { |
| 726 | /* this driver fills quantisation table 1 with data for chroma */ |
| 727 | exynos4_jpeg_set_tbl(regs, qtbl_chrominance[quality], |
| 728 | EXYNOS4_QTBL_CONTENT(1), |
| 729 | ARRAY_SIZE(qtbl_chrominance[quality])); |
| 730 | } |
| 731 | |
Mauro Carvalho Chehab | af425be | 2014-08-26 10:50:23 -0300 | [diff] [blame] | 732 | static void exynos4_jpeg_set_huff_tbl(void __iomem *base) |
Jacek Anaszewski | 80529ae | 2013-12-18 11:04:44 -0300 | [diff] [blame] | 733 | { |
| 734 | exynos4_jpeg_set_tbl(base, hdctbl0, EXYNOS4_HUFF_TBL_HDCLL, |
| 735 | ARRAY_SIZE(hdctbl0)); |
| 736 | exynos4_jpeg_set_tbl(base, hdctbl0, EXYNOS4_HUFF_TBL_HDCCL, |
| 737 | ARRAY_SIZE(hdctbl0)); |
| 738 | exynos4_jpeg_set_tbl(base, hdctblg0, EXYNOS4_HUFF_TBL_HDCLV, |
| 739 | ARRAY_SIZE(hdctblg0)); |
| 740 | exynos4_jpeg_set_tbl(base, hdctblg0, EXYNOS4_HUFF_TBL_HDCCV, |
| 741 | ARRAY_SIZE(hdctblg0)); |
| 742 | exynos4_jpeg_set_tbl(base, hactbl0, EXYNOS4_HUFF_TBL_HACLL, |
| 743 | ARRAY_SIZE(hactbl0)); |
| 744 | exynos4_jpeg_set_tbl(base, hactbl0, EXYNOS4_HUFF_TBL_HACCL, |
| 745 | ARRAY_SIZE(hactbl0)); |
| 746 | exynos4_jpeg_set_tbl(base, hactblg0, EXYNOS4_HUFF_TBL_HACLV, |
| 747 | ARRAY_SIZE(hactblg0)); |
| 748 | exynos4_jpeg_set_tbl(base, hactblg0, EXYNOS4_HUFF_TBL_HACCV, |
| 749 | ARRAY_SIZE(hactblg0)); |
| 750 | } |
| 751 | |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 752 | /* |
| 753 | * ============================================================================ |
| 754 | * Device file operations |
| 755 | * ============================================================================ |
| 756 | */ |
| 757 | |
| 758 | static int queue_init(void *priv, struct vb2_queue *src_vq, |
| 759 | struct vb2_queue *dst_vq); |
Jacek Anaszewski | 80529ae | 2013-12-18 11:04:44 -0300 | [diff] [blame] | 760 | static struct s5p_jpeg_fmt *s5p_jpeg_find_format(struct s5p_jpeg_ctx *ctx, |
| 761 | __u32 pixelformat, unsigned int fmt_type); |
Sylwester Nawrocki | 15f4bc3 | 2012-02-17 11:39:36 -0300 | [diff] [blame] | 762 | static int s5p_jpeg_controls_create(struct s5p_jpeg_ctx *ctx); |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 763 | |
| 764 | static int s5p_jpeg_open(struct file *file) |
| 765 | { |
| 766 | struct s5p_jpeg *jpeg = video_drvdata(file); |
| 767 | struct video_device *vfd = video_devdata(file); |
| 768 | struct s5p_jpeg_ctx *ctx; |
Jacek Anaszewski | 80529ae | 2013-12-18 11:04:44 -0300 | [diff] [blame] | 769 | struct s5p_jpeg_fmt *out_fmt, *cap_fmt; |
Sylwester Nawrocki | 275de24 | 2012-02-17 11:38:09 -0300 | [diff] [blame] | 770 | int ret = 0; |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 771 | |
Sachin Kamat | b5146c9 | 2012-08-16 08:52:58 -0300 | [diff] [blame] | 772 | ctx = kzalloc(sizeof(*ctx), GFP_KERNEL); |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 773 | if (!ctx) |
| 774 | return -ENOMEM; |
| 775 | |
Hans Verkuil | b0d5cd6 | 2012-06-24 06:54:18 -0300 | [diff] [blame] | 776 | if (mutex_lock_interruptible(&jpeg->lock)) { |
| 777 | ret = -ERESTARTSYS; |
| 778 | goto free; |
| 779 | } |
| 780 | |
Sylwester Nawrocki | 275de24 | 2012-02-17 11:38:09 -0300 | [diff] [blame] | 781 | v4l2_fh_init(&ctx->fh, vfd); |
Sylwester Nawrocki | 15f4bc3 | 2012-02-17 11:39:36 -0300 | [diff] [blame] | 782 | /* Use separate control handler per file handle */ |
| 783 | ctx->fh.ctrl_handler = &ctx->ctrl_handler; |
Sylwester Nawrocki | 275de24 | 2012-02-17 11:38:09 -0300 | [diff] [blame] | 784 | file->private_data = &ctx->fh; |
| 785 | v4l2_fh_add(&ctx->fh); |
| 786 | |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 787 | ctx->jpeg = jpeg; |
| 788 | if (vfd == jpeg->vfd_encoder) { |
| 789 | ctx->mode = S5P_JPEG_ENCODE; |
Jacek Anaszewski | 80529ae | 2013-12-18 11:04:44 -0300 | [diff] [blame] | 790 | out_fmt = s5p_jpeg_find_format(ctx, V4L2_PIX_FMT_RGB565, |
| 791 | FMT_TYPE_OUTPUT); |
| 792 | cap_fmt = s5p_jpeg_find_format(ctx, V4L2_PIX_FMT_JPEG, |
| 793 | FMT_TYPE_CAPTURE); |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 794 | } else { |
| 795 | ctx->mode = S5P_JPEG_DECODE; |
Jacek Anaszewski | 80529ae | 2013-12-18 11:04:44 -0300 | [diff] [blame] | 796 | out_fmt = s5p_jpeg_find_format(ctx, V4L2_PIX_FMT_JPEG, |
| 797 | FMT_TYPE_OUTPUT); |
| 798 | cap_fmt = s5p_jpeg_find_format(ctx, V4L2_PIX_FMT_YUYV, |
| 799 | FMT_TYPE_CAPTURE); |
Jacek Anaszewski | 3246fda | 2014-07-11 12:19:42 -0300 | [diff] [blame] | 800 | ctx->scale_factor = EXYNOS3250_DEC_SCALE_FACTOR_8_8; |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 801 | } |
| 802 | |
Sylwester Nawrocki | 718cf4a | 2013-08-25 17:16:56 -0300 | [diff] [blame] | 803 | ctx->fh.m2m_ctx = v4l2_m2m_ctx_init(jpeg->m2m_dev, ctx, queue_init); |
| 804 | if (IS_ERR(ctx->fh.m2m_ctx)) { |
| 805 | ret = PTR_ERR(ctx->fh.m2m_ctx); |
Sylwester Nawrocki | 275de24 | 2012-02-17 11:38:09 -0300 | [diff] [blame] | 806 | goto error; |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 807 | } |
| 808 | |
| 809 | ctx->out_q.fmt = out_fmt; |
Jacek Anaszewski | 80529ae | 2013-12-18 11:04:44 -0300 | [diff] [blame] | 810 | ctx->cap_q.fmt = cap_fmt; |
| 811 | |
| 812 | ret = s5p_jpeg_controls_create(ctx); |
| 813 | if (ret < 0) |
| 814 | goto error; |
| 815 | |
Hans Verkuil | b0d5cd6 | 2012-06-24 06:54:18 -0300 | [diff] [blame] | 816 | mutex_unlock(&jpeg->lock); |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 817 | return 0; |
Sylwester Nawrocki | 275de24 | 2012-02-17 11:38:09 -0300 | [diff] [blame] | 818 | |
| 819 | error: |
| 820 | v4l2_fh_del(&ctx->fh); |
| 821 | v4l2_fh_exit(&ctx->fh); |
Hans Verkuil | b0d5cd6 | 2012-06-24 06:54:18 -0300 | [diff] [blame] | 822 | mutex_unlock(&jpeg->lock); |
| 823 | free: |
Sylwester Nawrocki | 275de24 | 2012-02-17 11:38:09 -0300 | [diff] [blame] | 824 | kfree(ctx); |
| 825 | return ret; |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 826 | } |
| 827 | |
| 828 | static int s5p_jpeg_release(struct file *file) |
| 829 | { |
Hans Verkuil | b0d5cd6 | 2012-06-24 06:54:18 -0300 | [diff] [blame] | 830 | struct s5p_jpeg *jpeg = video_drvdata(file); |
Sylwester Nawrocki | 275de24 | 2012-02-17 11:38:09 -0300 | [diff] [blame] | 831 | struct s5p_jpeg_ctx *ctx = fh_to_ctx(file->private_data); |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 832 | |
Hans Verkuil | b0d5cd6 | 2012-06-24 06:54:18 -0300 | [diff] [blame] | 833 | mutex_lock(&jpeg->lock); |
Sylwester Nawrocki | 718cf4a | 2013-08-25 17:16:56 -0300 | [diff] [blame] | 834 | v4l2_m2m_ctx_release(ctx->fh.m2m_ctx); |
Sylwester Nawrocki | 15f4bc3 | 2012-02-17 11:39:36 -0300 | [diff] [blame] | 835 | v4l2_ctrl_handler_free(&ctx->ctrl_handler); |
Sylwester Nawrocki | 275de24 | 2012-02-17 11:38:09 -0300 | [diff] [blame] | 836 | v4l2_fh_del(&ctx->fh); |
| 837 | v4l2_fh_exit(&ctx->fh); |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 838 | kfree(ctx); |
Jacek Anaszewski | 80529ae | 2013-12-18 11:04:44 -0300 | [diff] [blame] | 839 | mutex_unlock(&jpeg->lock); |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 840 | |
| 841 | return 0; |
| 842 | } |
| 843 | |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 844 | static const struct v4l2_file_operations s5p_jpeg_fops = { |
| 845 | .owner = THIS_MODULE, |
| 846 | .open = s5p_jpeg_open, |
| 847 | .release = s5p_jpeg_release, |
Sylwester Nawrocki | 718cf4a | 2013-08-25 17:16:56 -0300 | [diff] [blame] | 848 | .poll = v4l2_m2m_fop_poll, |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 849 | .unlocked_ioctl = video_ioctl2, |
Sylwester Nawrocki | 718cf4a | 2013-08-25 17:16:56 -0300 | [diff] [blame] | 850 | .mmap = v4l2_m2m_fop_mmap, |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 851 | }; |
| 852 | |
| 853 | /* |
| 854 | * ============================================================================ |
| 855 | * video ioctl operations |
| 856 | * ============================================================================ |
| 857 | */ |
| 858 | |
| 859 | static int get_byte(struct s5p_jpeg_buffer *buf) |
| 860 | { |
| 861 | if (buf->curr >= buf->size) |
| 862 | return -1; |
| 863 | |
| 864 | return ((unsigned char *)buf->data)[buf->curr++]; |
| 865 | } |
| 866 | |
| 867 | static int get_word_be(struct s5p_jpeg_buffer *buf, unsigned int *word) |
| 868 | { |
| 869 | unsigned int temp; |
| 870 | int byte; |
| 871 | |
| 872 | byte = get_byte(buf); |
| 873 | if (byte == -1) |
| 874 | return -1; |
| 875 | temp = byte << 8; |
| 876 | byte = get_byte(buf); |
| 877 | if (byte == -1) |
| 878 | return -1; |
| 879 | *word = (unsigned int)byte | temp; |
| 880 | return 0; |
| 881 | } |
| 882 | |
| 883 | static void skip(struct s5p_jpeg_buffer *buf, long len) |
| 884 | { |
| 885 | if (len <= 0) |
| 886 | return; |
| 887 | |
| 888 | while (len--) |
| 889 | get_byte(buf); |
| 890 | } |
| 891 | |
| 892 | static bool s5p_jpeg_parse_hdr(struct s5p_jpeg_q_data *result, |
Jacek Anaszewski | f843396 | 2013-11-21 13:33:09 -0300 | [diff] [blame] | 893 | unsigned long buffer, unsigned long size, |
| 894 | struct s5p_jpeg_ctx *ctx) |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 895 | { |
Jacek Anaszewski | f3d83a1 | 2014-10-10 05:46:49 -0300 | [diff] [blame] | 896 | int c, components = 0, notfound; |
Jacek Anaszewski | f843396 | 2013-11-21 13:33:09 -0300 | [diff] [blame] | 897 | unsigned int height, width, word, subsampling = 0; |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 898 | long length; |
| 899 | struct s5p_jpeg_buffer jpeg_buffer; |
| 900 | |
| 901 | jpeg_buffer.size = size; |
| 902 | jpeg_buffer.data = buffer; |
| 903 | jpeg_buffer.curr = 0; |
| 904 | |
| 905 | notfound = 1; |
| 906 | while (notfound) { |
| 907 | c = get_byte(&jpeg_buffer); |
| 908 | if (c == -1) |
Jacek Anaszewski | a35f600 | 2014-07-11 12:19:43 -0300 | [diff] [blame] | 909 | return false; |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 910 | if (c != 0xff) |
| 911 | continue; |
| 912 | do |
| 913 | c = get_byte(&jpeg_buffer); |
| 914 | while (c == 0xff); |
| 915 | if (c == -1) |
Jacek Anaszewski | a35f600 | 2014-07-11 12:19:43 -0300 | [diff] [blame] | 916 | return false; |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 917 | if (c == 0) |
| 918 | continue; |
| 919 | length = 0; |
| 920 | switch (c) { |
| 921 | /* SOF0: baseline JPEG */ |
| 922 | case SOF0: |
| 923 | if (get_word_be(&jpeg_buffer, &word)) |
| 924 | break; |
| 925 | if (get_byte(&jpeg_buffer) == -1) |
| 926 | break; |
| 927 | if (get_word_be(&jpeg_buffer, &height)) |
| 928 | break; |
| 929 | if (get_word_be(&jpeg_buffer, &width)) |
| 930 | break; |
| 931 | components = get_byte(&jpeg_buffer); |
| 932 | if (components == -1) |
| 933 | break; |
| 934 | notfound = 0; |
| 935 | |
Jacek Anaszewski | f843396 | 2013-11-21 13:33:09 -0300 | [diff] [blame] | 936 | if (components == 1) { |
| 937 | subsampling = 0x33; |
| 938 | } else { |
| 939 | skip(&jpeg_buffer, 1); |
| 940 | subsampling = get_byte(&jpeg_buffer); |
| 941 | skip(&jpeg_buffer, 1); |
| 942 | } |
| 943 | |
| 944 | skip(&jpeg_buffer, components * 2); |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 945 | break; |
| 946 | |
| 947 | /* skip payload-less markers */ |
| 948 | case RST ... RST + 7: |
| 949 | case SOI: |
| 950 | case EOI: |
| 951 | case TEM: |
| 952 | break; |
| 953 | |
| 954 | /* skip uninteresting payload markers */ |
| 955 | default: |
| 956 | if (get_word_be(&jpeg_buffer, &word)) |
| 957 | break; |
| 958 | length = (long)word - 2; |
| 959 | skip(&jpeg_buffer, length); |
| 960 | break; |
| 961 | } |
| 962 | } |
| 963 | result->w = width; |
| 964 | result->h = height; |
| 965 | result->size = components; |
Jacek Anaszewski | f843396 | 2013-11-21 13:33:09 -0300 | [diff] [blame] | 966 | |
| 967 | switch (subsampling) { |
| 968 | case 0x11: |
| 969 | ctx->subsampling = V4L2_JPEG_CHROMA_SUBSAMPLING_444; |
| 970 | break; |
| 971 | case 0x21: |
| 972 | ctx->subsampling = V4L2_JPEG_CHROMA_SUBSAMPLING_422; |
| 973 | break; |
| 974 | case 0x22: |
| 975 | ctx->subsampling = V4L2_JPEG_CHROMA_SUBSAMPLING_420; |
| 976 | break; |
| 977 | case 0x33: |
| 978 | ctx->subsampling = V4L2_JPEG_CHROMA_SUBSAMPLING_GRAY; |
| 979 | break; |
| 980 | default: |
| 981 | return false; |
| 982 | } |
| 983 | |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 984 | return !notfound; |
| 985 | } |
| 986 | |
| 987 | static int s5p_jpeg_querycap(struct file *file, void *priv, |
| 988 | struct v4l2_capability *cap) |
| 989 | { |
Sylwester Nawrocki | 275de24 | 2012-02-17 11:38:09 -0300 | [diff] [blame] | 990 | struct s5p_jpeg_ctx *ctx = fh_to_ctx(priv); |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 991 | |
| 992 | if (ctx->mode == S5P_JPEG_ENCODE) { |
| 993 | strlcpy(cap->driver, S5P_JPEG_M2M_NAME " encoder", |
| 994 | sizeof(cap->driver)); |
| 995 | strlcpy(cap->card, S5P_JPEG_M2M_NAME " encoder", |
| 996 | sizeof(cap->card)); |
| 997 | } else { |
| 998 | strlcpy(cap->driver, S5P_JPEG_M2M_NAME " decoder", |
| 999 | sizeof(cap->driver)); |
| 1000 | strlcpy(cap->card, S5P_JPEG_M2M_NAME " decoder", |
| 1001 | sizeof(cap->card)); |
| 1002 | } |
| 1003 | cap->bus_info[0] = 0; |
Sylwester Nawrocki | f0476a8 | 2012-07-26 09:30:00 -0300 | [diff] [blame] | 1004 | /* |
| 1005 | * This is only a mem-to-mem video device. The capture and output |
| 1006 | * device capability flags are left only for backward compatibility |
| 1007 | * and are scheduled for removal. |
| 1008 | */ |
| 1009 | cap->capabilities = V4L2_CAP_STREAMING | V4L2_CAP_VIDEO_M2M | |
| 1010 | V4L2_CAP_VIDEO_CAPTURE | V4L2_CAP_VIDEO_OUTPUT; |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 1011 | return 0; |
| 1012 | } |
| 1013 | |
Jacek Anaszewski | 80529ae | 2013-12-18 11:04:44 -0300 | [diff] [blame] | 1014 | static int enum_fmt(struct s5p_jpeg_fmt *sjpeg_formats, int n, |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 1015 | struct v4l2_fmtdesc *f, u32 type) |
| 1016 | { |
| 1017 | int i, num = 0; |
| 1018 | |
| 1019 | for (i = 0; i < n; ++i) { |
Jacek Anaszewski | 80529ae | 2013-12-18 11:04:44 -0300 | [diff] [blame] | 1020 | if (sjpeg_formats[i].flags & type) { |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 1021 | /* index-th format of type type found ? */ |
| 1022 | if (num == f->index) |
| 1023 | break; |
| 1024 | /* Correct type but haven't reached our index yet, |
| 1025 | * just increment per-type index */ |
| 1026 | ++num; |
| 1027 | } |
| 1028 | } |
| 1029 | |
| 1030 | /* Format not found */ |
| 1031 | if (i >= n) |
| 1032 | return -EINVAL; |
| 1033 | |
Jacek Anaszewski | 80529ae | 2013-12-18 11:04:44 -0300 | [diff] [blame] | 1034 | strlcpy(f->description, sjpeg_formats[i].name, sizeof(f->description)); |
| 1035 | f->pixelformat = sjpeg_formats[i].fourcc; |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 1036 | |
| 1037 | return 0; |
| 1038 | } |
| 1039 | |
| 1040 | static int s5p_jpeg_enum_fmt_vid_cap(struct file *file, void *priv, |
| 1041 | struct v4l2_fmtdesc *f) |
| 1042 | { |
Sylwester Nawrocki | 275de24 | 2012-02-17 11:38:09 -0300 | [diff] [blame] | 1043 | struct s5p_jpeg_ctx *ctx = fh_to_ctx(priv); |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 1044 | |
| 1045 | if (ctx->mode == S5P_JPEG_ENCODE) |
Jacek Anaszewski | 80529ae | 2013-12-18 11:04:44 -0300 | [diff] [blame] | 1046 | return enum_fmt(sjpeg_formats, SJPEG_NUM_FORMATS, f, |
| 1047 | SJPEG_FMT_FLAG_ENC_CAPTURE); |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 1048 | |
Jacek Anaszewski | 80529ae | 2013-12-18 11:04:44 -0300 | [diff] [blame] | 1049 | return enum_fmt(sjpeg_formats, SJPEG_NUM_FORMATS, f, |
| 1050 | SJPEG_FMT_FLAG_DEC_CAPTURE); |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 1051 | } |
| 1052 | |
| 1053 | static int s5p_jpeg_enum_fmt_vid_out(struct file *file, void *priv, |
| 1054 | struct v4l2_fmtdesc *f) |
| 1055 | { |
Sylwester Nawrocki | 275de24 | 2012-02-17 11:38:09 -0300 | [diff] [blame] | 1056 | struct s5p_jpeg_ctx *ctx = fh_to_ctx(priv); |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 1057 | |
| 1058 | if (ctx->mode == S5P_JPEG_ENCODE) |
Jacek Anaszewski | 80529ae | 2013-12-18 11:04:44 -0300 | [diff] [blame] | 1059 | return enum_fmt(sjpeg_formats, SJPEG_NUM_FORMATS, f, |
| 1060 | SJPEG_FMT_FLAG_ENC_OUTPUT); |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 1061 | |
Jacek Anaszewski | 80529ae | 2013-12-18 11:04:44 -0300 | [diff] [blame] | 1062 | return enum_fmt(sjpeg_formats, SJPEG_NUM_FORMATS, f, |
| 1063 | SJPEG_FMT_FLAG_DEC_OUTPUT); |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 1064 | } |
| 1065 | |
| 1066 | static struct s5p_jpeg_q_data *get_q_data(struct s5p_jpeg_ctx *ctx, |
| 1067 | enum v4l2_buf_type type) |
| 1068 | { |
| 1069 | if (type == V4L2_BUF_TYPE_VIDEO_OUTPUT) |
| 1070 | return &ctx->out_q; |
| 1071 | if (type == V4L2_BUF_TYPE_VIDEO_CAPTURE) |
| 1072 | return &ctx->cap_q; |
| 1073 | |
| 1074 | return NULL; |
| 1075 | } |
| 1076 | |
| 1077 | static int s5p_jpeg_g_fmt(struct file *file, void *priv, struct v4l2_format *f) |
| 1078 | { |
| 1079 | struct vb2_queue *vq; |
| 1080 | struct s5p_jpeg_q_data *q_data = NULL; |
| 1081 | struct v4l2_pix_format *pix = &f->fmt.pix; |
Sylwester Nawrocki | 275de24 | 2012-02-17 11:38:09 -0300 | [diff] [blame] | 1082 | struct s5p_jpeg_ctx *ct = fh_to_ctx(priv); |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 1083 | |
Sylwester Nawrocki | 718cf4a | 2013-08-25 17:16:56 -0300 | [diff] [blame] | 1084 | vq = v4l2_m2m_get_vq(ct->fh.m2m_ctx, f->type); |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 1085 | if (!vq) |
| 1086 | return -EINVAL; |
| 1087 | |
| 1088 | if (f->type == V4L2_BUF_TYPE_VIDEO_CAPTURE && |
| 1089 | ct->mode == S5P_JPEG_DECODE && !ct->hdr_parsed) |
| 1090 | return -EINVAL; |
| 1091 | q_data = get_q_data(ct, f->type); |
| 1092 | BUG_ON(q_data == NULL); |
| 1093 | |
| 1094 | pix->width = q_data->w; |
| 1095 | pix->height = q_data->h; |
| 1096 | pix->field = V4L2_FIELD_NONE; |
| 1097 | pix->pixelformat = q_data->fmt->fourcc; |
| 1098 | pix->bytesperline = 0; |
| 1099 | if (q_data->fmt->fourcc != V4L2_PIX_FMT_JPEG) { |
| 1100 | u32 bpl = q_data->w; |
| 1101 | if (q_data->fmt->colplanes == 1) |
| 1102 | bpl = (bpl * q_data->fmt->depth) >> 3; |
| 1103 | pix->bytesperline = bpl; |
| 1104 | } |
| 1105 | pix->sizeimage = q_data->size; |
| 1106 | |
| 1107 | return 0; |
| 1108 | } |
| 1109 | |
Jacek Anaszewski | 80529ae | 2013-12-18 11:04:44 -0300 | [diff] [blame] | 1110 | static struct s5p_jpeg_fmt *s5p_jpeg_find_format(struct s5p_jpeg_ctx *ctx, |
| 1111 | u32 pixelformat, unsigned int fmt_type) |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 1112 | { |
Jacek Anaszewski | b245168 | 2014-04-10 04:32:11 -0300 | [diff] [blame] | 1113 | unsigned int k, fmt_flag; |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 1114 | |
Jacek Anaszewski | 80529ae | 2013-12-18 11:04:44 -0300 | [diff] [blame] | 1115 | if (ctx->mode == S5P_JPEG_ENCODE) |
| 1116 | fmt_flag = (fmt_type == FMT_TYPE_OUTPUT) ? |
| 1117 | SJPEG_FMT_FLAG_ENC_OUTPUT : |
| 1118 | SJPEG_FMT_FLAG_ENC_CAPTURE; |
| 1119 | else |
| 1120 | fmt_flag = (fmt_type == FMT_TYPE_OUTPUT) ? |
| 1121 | SJPEG_FMT_FLAG_DEC_OUTPUT : |
| 1122 | SJPEG_FMT_FLAG_DEC_CAPTURE; |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 1123 | |
Jacek Anaszewski | 80529ae | 2013-12-18 11:04:44 -0300 | [diff] [blame] | 1124 | for (k = 0; k < ARRAY_SIZE(sjpeg_formats); k++) { |
| 1125 | struct s5p_jpeg_fmt *fmt = &sjpeg_formats[k]; |
| 1126 | if (fmt->fourcc == pixelformat && |
| 1127 | fmt->flags & fmt_flag && |
Jacek Anaszewski | b245168 | 2014-04-10 04:32:11 -0300 | [diff] [blame] | 1128 | fmt->flags & ctx->jpeg->variant->fmt_ver_flag) { |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 1129 | return fmt; |
Jacek Anaszewski | 80529ae | 2013-12-18 11:04:44 -0300 | [diff] [blame] | 1130 | } |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 1131 | } |
| 1132 | |
| 1133 | return NULL; |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 1134 | } |
| 1135 | |
Jacek Anaszewski | e9e7dfe | 2014-07-11 12:19:44 -0300 | [diff] [blame] | 1136 | static void jpeg_bound_align_image(struct s5p_jpeg_ctx *ctx, |
| 1137 | u32 *w, unsigned int wmin, unsigned int wmax, |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 1138 | unsigned int walign, |
| 1139 | u32 *h, unsigned int hmin, unsigned int hmax, |
| 1140 | unsigned int halign) |
| 1141 | { |
| 1142 | int width, height, w_step, h_step; |
| 1143 | |
| 1144 | width = *w; |
| 1145 | height = *h; |
| 1146 | |
| 1147 | w_step = 1 << walign; |
| 1148 | h_step = 1 << halign; |
Jacek Anaszewski | e9e7dfe | 2014-07-11 12:19:44 -0300 | [diff] [blame] | 1149 | |
| 1150 | if (ctx->jpeg->variant->version == SJPEG_EXYNOS3250) { |
| 1151 | /* |
| 1152 | * Rightmost and bottommost pixels are cropped by the |
| 1153 | * Exynos3250 JPEG IP for RGB formats, for the specific |
| 1154 | * width and height values respectively. This assignment |
| 1155 | * will result in v4l_bound_align_image returning dimensions |
| 1156 | * reduced by 1 for the aforementioned cases. |
| 1157 | */ |
| 1158 | if (w_step == 4 && ((width & 3) == 1)) { |
| 1159 | wmax = width; |
| 1160 | hmax = height; |
| 1161 | } |
| 1162 | } |
| 1163 | |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 1164 | v4l_bound_align_image(w, wmin, wmax, walign, h, hmin, hmax, halign, 0); |
| 1165 | |
| 1166 | if (*w < width && (*w + w_step) < wmax) |
| 1167 | *w += w_step; |
| 1168 | if (*h < height && (*h + h_step) < hmax) |
| 1169 | *h += h_step; |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 1170 | } |
| 1171 | |
| 1172 | static int vidioc_try_fmt(struct v4l2_format *f, struct s5p_jpeg_fmt *fmt, |
| 1173 | struct s5p_jpeg_ctx *ctx, int q_type) |
| 1174 | { |
| 1175 | struct v4l2_pix_format *pix = &f->fmt.pix; |
| 1176 | |
| 1177 | if (pix->field == V4L2_FIELD_ANY) |
| 1178 | pix->field = V4L2_FIELD_NONE; |
| 1179 | else if (pix->field != V4L2_FIELD_NONE) |
| 1180 | return -EINVAL; |
| 1181 | |
| 1182 | /* V4L2 specification suggests the driver corrects the format struct |
| 1183 | * if any of the dimensions is unsupported */ |
Jacek Anaszewski | 80529ae | 2013-12-18 11:04:44 -0300 | [diff] [blame] | 1184 | if (q_type == FMT_TYPE_OUTPUT) |
Jacek Anaszewski | e9e7dfe | 2014-07-11 12:19:44 -0300 | [diff] [blame] | 1185 | jpeg_bound_align_image(ctx, &pix->width, S5P_JPEG_MIN_WIDTH, |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 1186 | S5P_JPEG_MAX_WIDTH, 0, |
| 1187 | &pix->height, S5P_JPEG_MIN_HEIGHT, |
| 1188 | S5P_JPEG_MAX_HEIGHT, 0); |
| 1189 | else |
Jacek Anaszewski | e9e7dfe | 2014-07-11 12:19:44 -0300 | [diff] [blame] | 1190 | jpeg_bound_align_image(ctx, &pix->width, S5P_JPEG_MIN_WIDTH, |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 1191 | S5P_JPEG_MAX_WIDTH, fmt->h_align, |
| 1192 | &pix->height, S5P_JPEG_MIN_HEIGHT, |
| 1193 | S5P_JPEG_MAX_HEIGHT, fmt->v_align); |
| 1194 | |
| 1195 | if (fmt->fourcc == V4L2_PIX_FMT_JPEG) { |
| 1196 | if (pix->sizeimage <= 0) |
| 1197 | pix->sizeimage = PAGE_SIZE; |
| 1198 | pix->bytesperline = 0; |
| 1199 | } else { |
| 1200 | u32 bpl = pix->bytesperline; |
| 1201 | |
| 1202 | if (fmt->colplanes > 1 && bpl < pix->width) |
| 1203 | bpl = pix->width; /* planar */ |
| 1204 | |
| 1205 | if (fmt->colplanes == 1 && /* packed */ |
Jacek Anaszewski | cc69090 | 2013-11-25 06:58:10 -0300 | [diff] [blame] | 1206 | (bpl << 3) / fmt->depth < pix->width) |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 1207 | bpl = (pix->width * fmt->depth) >> 3; |
| 1208 | |
| 1209 | pix->bytesperline = bpl; |
| 1210 | pix->sizeimage = (pix->width * pix->height * fmt->depth) >> 3; |
| 1211 | } |
| 1212 | |
| 1213 | return 0; |
| 1214 | } |
| 1215 | |
| 1216 | static int s5p_jpeg_try_fmt_vid_cap(struct file *file, void *priv, |
| 1217 | struct v4l2_format *f) |
| 1218 | { |
Sylwester Nawrocki | 275de24 | 2012-02-17 11:38:09 -0300 | [diff] [blame] | 1219 | struct s5p_jpeg_ctx *ctx = fh_to_ctx(priv); |
Jacek Anaszewski | 337777a | 2013-11-22 06:13:34 -0300 | [diff] [blame] | 1220 | struct v4l2_pix_format *pix = &f->fmt.pix; |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 1221 | struct s5p_jpeg_fmt *fmt; |
Jacek Anaszewski | 337777a | 2013-11-22 06:13:34 -0300 | [diff] [blame] | 1222 | int ret; |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 1223 | |
Jacek Anaszewski | 80529ae | 2013-12-18 11:04:44 -0300 | [diff] [blame] | 1224 | fmt = s5p_jpeg_find_format(ctx, f->fmt.pix.pixelformat, |
| 1225 | FMT_TYPE_CAPTURE); |
| 1226 | if (!fmt) { |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 1227 | v4l2_err(&ctx->jpeg->v4l2_dev, |
| 1228 | "Fourcc format (0x%08x) invalid.\n", |
| 1229 | f->fmt.pix.pixelformat); |
| 1230 | return -EINVAL; |
| 1231 | } |
| 1232 | |
Jacek Anaszewski | 2caeeb0 | 2014-04-10 04:32:17 -0300 | [diff] [blame] | 1233 | if ((ctx->jpeg->variant->version != SJPEG_EXYNOS4) || |
| 1234 | (ctx->mode != S5P_JPEG_DECODE)) |
| 1235 | goto exit; |
| 1236 | |
Jacek Anaszewski | 337777a | 2013-11-22 06:13:34 -0300 | [diff] [blame] | 1237 | /* |
| 1238 | * The exynos4x12 device requires resulting YUV image |
| 1239 | * subsampling not to be lower than the input jpeg subsampling. |
| 1240 | * If this requirement is not met then downgrade the requested |
| 1241 | * capture format to the one with subsampling equal to the input jpeg. |
| 1242 | */ |
Jacek Anaszewski | 2caeeb0 | 2014-04-10 04:32:17 -0300 | [diff] [blame] | 1243 | if ((fmt->flags & SJPEG_FMT_NON_RGB) && |
Jacek Anaszewski | 337777a | 2013-11-22 06:13:34 -0300 | [diff] [blame] | 1244 | (fmt->subsampling < ctx->subsampling)) { |
| 1245 | ret = s5p_jpeg_adjust_fourcc_to_subsampling(ctx->subsampling, |
| 1246 | fmt->fourcc, |
| 1247 | &pix->pixelformat, |
| 1248 | ctx); |
| 1249 | if (ret < 0) |
| 1250 | pix->pixelformat = V4L2_PIX_FMT_GREY; |
| 1251 | |
| 1252 | fmt = s5p_jpeg_find_format(ctx, pix->pixelformat, |
| 1253 | FMT_TYPE_CAPTURE); |
| 1254 | } |
| 1255 | |
Jacek Anaszewski | 2caeeb0 | 2014-04-10 04:32:17 -0300 | [diff] [blame] | 1256 | /* |
| 1257 | * Decompression of a JPEG file with 4:2:0 subsampling and odd |
| 1258 | * width to the YUV 4:2:0 compliant formats produces a raw image |
| 1259 | * with broken luma component. Adjust capture format to RGB565 |
| 1260 | * in such a case. |
| 1261 | */ |
| 1262 | if (ctx->subsampling == V4L2_JPEG_CHROMA_SUBSAMPLING_420 && |
| 1263 | (ctx->out_q.w & 1) && |
| 1264 | (pix->pixelformat == V4L2_PIX_FMT_NV12 || |
| 1265 | pix->pixelformat == V4L2_PIX_FMT_NV21 || |
| 1266 | pix->pixelformat == V4L2_PIX_FMT_YUV420)) { |
| 1267 | pix->pixelformat = V4L2_PIX_FMT_RGB565; |
| 1268 | fmt = s5p_jpeg_find_format(ctx, pix->pixelformat, |
| 1269 | FMT_TYPE_CAPTURE); |
| 1270 | } |
| 1271 | |
| 1272 | exit: |
Jacek Anaszewski | 80529ae | 2013-12-18 11:04:44 -0300 | [diff] [blame] | 1273 | return vidioc_try_fmt(f, fmt, ctx, FMT_TYPE_CAPTURE); |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 1274 | } |
| 1275 | |
| 1276 | static int s5p_jpeg_try_fmt_vid_out(struct file *file, void *priv, |
| 1277 | struct v4l2_format *f) |
| 1278 | { |
Sylwester Nawrocki | 275de24 | 2012-02-17 11:38:09 -0300 | [diff] [blame] | 1279 | struct s5p_jpeg_ctx *ctx = fh_to_ctx(priv); |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 1280 | struct s5p_jpeg_fmt *fmt; |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 1281 | |
Jacek Anaszewski | 80529ae | 2013-12-18 11:04:44 -0300 | [diff] [blame] | 1282 | fmt = s5p_jpeg_find_format(ctx, f->fmt.pix.pixelformat, |
| 1283 | FMT_TYPE_OUTPUT); |
| 1284 | if (!fmt) { |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 1285 | v4l2_err(&ctx->jpeg->v4l2_dev, |
| 1286 | "Fourcc format (0x%08x) invalid.\n", |
| 1287 | f->fmt.pix.pixelformat); |
| 1288 | return -EINVAL; |
| 1289 | } |
| 1290 | |
Jacek Anaszewski | 80529ae | 2013-12-18 11:04:44 -0300 | [diff] [blame] | 1291 | return vidioc_try_fmt(f, fmt, ctx, FMT_TYPE_OUTPUT); |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 1292 | } |
| 1293 | |
Jacek Anaszewski | b2254d6 | 2014-04-10 04:32:16 -0300 | [diff] [blame] | 1294 | static int exynos4_jpeg_get_output_buffer_size(struct s5p_jpeg_ctx *ctx, |
| 1295 | struct v4l2_format *f, |
| 1296 | int fmt_depth) |
| 1297 | { |
| 1298 | struct v4l2_pix_format *pix = &f->fmt.pix; |
| 1299 | u32 pix_fmt = f->fmt.pix.pixelformat; |
| 1300 | int w = pix->width, h = pix->height, wh_align; |
| 1301 | |
| 1302 | if (pix_fmt == V4L2_PIX_FMT_RGB32 || |
| 1303 | pix_fmt == V4L2_PIX_FMT_NV24 || |
| 1304 | pix_fmt == V4L2_PIX_FMT_NV42 || |
| 1305 | pix_fmt == V4L2_PIX_FMT_NV12 || |
| 1306 | pix_fmt == V4L2_PIX_FMT_NV21 || |
| 1307 | pix_fmt == V4L2_PIX_FMT_YUV420) |
| 1308 | wh_align = 4; |
| 1309 | else |
| 1310 | wh_align = 1; |
| 1311 | |
Jacek Anaszewski | e9e7dfe | 2014-07-11 12:19:44 -0300 | [diff] [blame] | 1312 | jpeg_bound_align_image(ctx, &w, S5P_JPEG_MIN_WIDTH, |
Jacek Anaszewski | b2254d6 | 2014-04-10 04:32:16 -0300 | [diff] [blame] | 1313 | S5P_JPEG_MAX_WIDTH, wh_align, |
| 1314 | &h, S5P_JPEG_MIN_HEIGHT, |
| 1315 | S5P_JPEG_MAX_HEIGHT, wh_align); |
| 1316 | |
| 1317 | return w * h * fmt_depth >> 3; |
| 1318 | } |
| 1319 | |
Jacek Anaszewski | 5a71671 | 2014-07-11 12:19:47 -0300 | [diff] [blame] | 1320 | static int exynos3250_jpeg_try_downscale(struct s5p_jpeg_ctx *ctx, |
| 1321 | struct v4l2_rect *r); |
| 1322 | |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 1323 | static int s5p_jpeg_s_fmt(struct s5p_jpeg_ctx *ct, struct v4l2_format *f) |
| 1324 | { |
| 1325 | struct vb2_queue *vq; |
| 1326 | struct s5p_jpeg_q_data *q_data = NULL; |
| 1327 | struct v4l2_pix_format *pix = &f->fmt.pix; |
Jacek Anaszewski | 4a30d30 | 2013-11-21 13:33:52 -0300 | [diff] [blame] | 1328 | struct v4l2_ctrl *ctrl_subs; |
Jacek Anaszewski | 5a71671 | 2014-07-11 12:19:47 -0300 | [diff] [blame] | 1329 | struct v4l2_rect scale_rect; |
Jacek Anaszewski | 80529ae | 2013-12-18 11:04:44 -0300 | [diff] [blame] | 1330 | unsigned int f_type; |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 1331 | |
Sylwester Nawrocki | 718cf4a | 2013-08-25 17:16:56 -0300 | [diff] [blame] | 1332 | vq = v4l2_m2m_get_vq(ct->fh.m2m_ctx, f->type); |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 1333 | if (!vq) |
| 1334 | return -EINVAL; |
| 1335 | |
| 1336 | q_data = get_q_data(ct, f->type); |
| 1337 | BUG_ON(q_data == NULL); |
| 1338 | |
| 1339 | if (vb2_is_busy(vq)) { |
| 1340 | v4l2_err(&ct->jpeg->v4l2_dev, "%s queue busy\n", __func__); |
| 1341 | return -EBUSY; |
| 1342 | } |
| 1343 | |
Jacek Anaszewski | 80529ae | 2013-12-18 11:04:44 -0300 | [diff] [blame] | 1344 | f_type = V4L2_TYPE_IS_OUTPUT(f->type) ? |
| 1345 | FMT_TYPE_OUTPUT : FMT_TYPE_CAPTURE; |
| 1346 | |
| 1347 | q_data->fmt = s5p_jpeg_find_format(ct, pix->pixelformat, f_type); |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 1348 | q_data->w = pix->width; |
| 1349 | q_data->h = pix->height; |
Jacek Anaszewski | b2254d6 | 2014-04-10 04:32:16 -0300 | [diff] [blame] | 1350 | if (q_data->fmt->fourcc != V4L2_PIX_FMT_JPEG) { |
| 1351 | /* |
| 1352 | * During encoding Exynos4x12 SoCs access wider memory area |
| 1353 | * than it results from Image_x and Image_y values written to |
| 1354 | * the JPEG_IMAGE_SIZE register. In order to avoid sysmmu |
| 1355 | * page fault calculate proper buffer size in such a case. |
| 1356 | */ |
| 1357 | if (ct->jpeg->variant->version == SJPEG_EXYNOS4 && |
| 1358 | f_type == FMT_TYPE_OUTPUT && ct->mode == S5P_JPEG_ENCODE) |
| 1359 | q_data->size = exynos4_jpeg_get_output_buffer_size(ct, |
| 1360 | f, |
| 1361 | q_data->fmt->depth); |
| 1362 | else |
| 1363 | q_data->size = q_data->w * q_data->h * |
| 1364 | q_data->fmt->depth >> 3; |
| 1365 | } else { |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 1366 | q_data->size = pix->sizeimage; |
Jacek Anaszewski | b2254d6 | 2014-04-10 04:32:16 -0300 | [diff] [blame] | 1367 | } |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 1368 | |
Jacek Anaszewski | 4a30d30 | 2013-11-21 13:33:52 -0300 | [diff] [blame] | 1369 | if (f_type == FMT_TYPE_OUTPUT) { |
| 1370 | ctrl_subs = v4l2_ctrl_find(&ct->ctrl_handler, |
| 1371 | V4L2_CID_JPEG_CHROMA_SUBSAMPLING); |
| 1372 | if (ctrl_subs) |
| 1373 | v4l2_ctrl_s_ctrl(ctrl_subs, q_data->fmt->subsampling); |
Jacek Anaszewski | dfd9690 | 2014-07-11 12:19:46 -0300 | [diff] [blame] | 1374 | ct->crop_altered = false; |
| 1375 | } |
| 1376 | |
| 1377 | /* |
| 1378 | * For decoding init crop_rect with capture buffer dimmensions which |
| 1379 | * contain aligned dimensions of the input JPEG image and do it only |
| 1380 | * if crop rectangle hasn't been altered by the user space e.g. with |
| 1381 | * S_SELECTION ioctl. For encoding assign output buffer dimensions. |
| 1382 | */ |
| 1383 | if (!ct->crop_altered && |
| 1384 | ((ct->mode == S5P_JPEG_DECODE && f_type == FMT_TYPE_CAPTURE) || |
| 1385 | (ct->mode == S5P_JPEG_ENCODE && f_type == FMT_TYPE_OUTPUT))) { |
| 1386 | ct->crop_rect.width = pix->width; |
| 1387 | ct->crop_rect.height = pix->height; |
| 1388 | } |
Jacek Anaszewski | 5a71671 | 2014-07-11 12:19:47 -0300 | [diff] [blame] | 1389 | |
| 1390 | /* |
| 1391 | * Prevent downscaling to YUV420 format by more than 2 |
| 1392 | * for Exynos3250 SoC as it produces broken raw image |
| 1393 | * in such cases. |
| 1394 | */ |
| 1395 | if (ct->mode == S5P_JPEG_DECODE && |
| 1396 | f_type == FMT_TYPE_CAPTURE && |
| 1397 | ct->jpeg->variant->version == SJPEG_EXYNOS3250 && |
| 1398 | pix->pixelformat == V4L2_PIX_FMT_YUV420 && |
| 1399 | ct->scale_factor > 2) { |
| 1400 | scale_rect.width = ct->out_q.w / 2; |
| 1401 | scale_rect.height = ct->out_q.h / 2; |
| 1402 | exynos3250_jpeg_try_downscale(ct, &scale_rect); |
Jacek Anaszewski | 4a30d30 | 2013-11-21 13:33:52 -0300 | [diff] [blame] | 1403 | } |
| 1404 | |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 1405 | return 0; |
| 1406 | } |
| 1407 | |
| 1408 | static int s5p_jpeg_s_fmt_vid_cap(struct file *file, void *priv, |
| 1409 | struct v4l2_format *f) |
| 1410 | { |
| 1411 | int ret; |
| 1412 | |
| 1413 | ret = s5p_jpeg_try_fmt_vid_cap(file, priv, f); |
| 1414 | if (ret) |
| 1415 | return ret; |
| 1416 | |
Sylwester Nawrocki | 275de24 | 2012-02-17 11:38:09 -0300 | [diff] [blame] | 1417 | return s5p_jpeg_s_fmt(fh_to_ctx(priv), f); |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 1418 | } |
| 1419 | |
| 1420 | static int s5p_jpeg_s_fmt_vid_out(struct file *file, void *priv, |
| 1421 | struct v4l2_format *f) |
| 1422 | { |
| 1423 | int ret; |
| 1424 | |
| 1425 | ret = s5p_jpeg_try_fmt_vid_out(file, priv, f); |
| 1426 | if (ret) |
| 1427 | return ret; |
| 1428 | |
Sylwester Nawrocki | 275de24 | 2012-02-17 11:38:09 -0300 | [diff] [blame] | 1429 | return s5p_jpeg_s_fmt(fh_to_ctx(priv), f); |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 1430 | } |
| 1431 | |
Jacek Anaszewski | 3246fda | 2014-07-11 12:19:42 -0300 | [diff] [blame] | 1432 | static int exynos3250_jpeg_try_downscale(struct s5p_jpeg_ctx *ctx, |
| 1433 | struct v4l2_rect *r) |
| 1434 | { |
| 1435 | int w_ratio, h_ratio, scale_factor, cur_ratio, i; |
| 1436 | |
| 1437 | w_ratio = ctx->out_q.w / r->width; |
| 1438 | h_ratio = ctx->out_q.h / r->height; |
| 1439 | |
| 1440 | scale_factor = w_ratio > h_ratio ? w_ratio : h_ratio; |
| 1441 | scale_factor = clamp_val(scale_factor, 1, 8); |
| 1442 | |
| 1443 | /* Align scale ratio to the nearest power of 2 */ |
| 1444 | for (i = 0; i <= 3; ++i) { |
| 1445 | cur_ratio = 1 << i; |
| 1446 | if (scale_factor <= cur_ratio) { |
| 1447 | ctx->scale_factor = cur_ratio; |
| 1448 | break; |
| 1449 | } |
| 1450 | } |
| 1451 | |
| 1452 | r->width = round_down(ctx->out_q.w / ctx->scale_factor, 2); |
| 1453 | r->height = round_down(ctx->out_q.h / ctx->scale_factor, 2); |
| 1454 | |
| 1455 | ctx->crop_rect.width = r->width; |
| 1456 | ctx->crop_rect.height = r->height; |
| 1457 | ctx->crop_rect.left = 0; |
| 1458 | ctx->crop_rect.top = 0; |
| 1459 | |
| 1460 | ctx->crop_altered = true; |
| 1461 | |
| 1462 | return 0; |
| 1463 | } |
| 1464 | |
| 1465 | /* Return 1 if rectangle a is enclosed in rectangle b, or 0 otherwise. */ |
| 1466 | static int enclosed_rectangle(struct v4l2_rect *a, struct v4l2_rect *b) |
| 1467 | { |
| 1468 | if (a->left < b->left || a->top < b->top) |
| 1469 | return 0; |
| 1470 | if (a->left + a->width > b->left + b->width) |
| 1471 | return 0; |
| 1472 | if (a->top + a->height > b->top + b->height) |
| 1473 | return 0; |
| 1474 | |
| 1475 | return 1; |
| 1476 | } |
| 1477 | |
| 1478 | static int exynos3250_jpeg_try_crop(struct s5p_jpeg_ctx *ctx, |
| 1479 | struct v4l2_rect *r) |
| 1480 | { |
| 1481 | struct v4l2_rect base_rect; |
| 1482 | int w_step, h_step; |
| 1483 | |
| 1484 | switch (ctx->cap_q.fmt->fourcc) { |
| 1485 | case V4L2_PIX_FMT_NV12: |
| 1486 | case V4L2_PIX_FMT_NV21: |
| 1487 | w_step = 1; |
| 1488 | h_step = 2; |
| 1489 | break; |
| 1490 | case V4L2_PIX_FMT_YUV420: |
| 1491 | w_step = 2; |
| 1492 | h_step = 2; |
| 1493 | break; |
| 1494 | default: |
| 1495 | w_step = 1; |
| 1496 | h_step = 1; |
| 1497 | break; |
| 1498 | } |
| 1499 | |
| 1500 | base_rect.top = 0; |
| 1501 | base_rect.left = 0; |
| 1502 | base_rect.width = ctx->out_q.w; |
| 1503 | base_rect.height = ctx->out_q.h; |
| 1504 | |
| 1505 | r->width = round_down(r->width, w_step); |
| 1506 | r->height = round_down(r->height, h_step); |
| 1507 | r->left = round_down(r->left, 2); |
| 1508 | r->top = round_down(r->top, 2); |
| 1509 | |
| 1510 | if (!enclosed_rectangle(r, &base_rect)) |
| 1511 | return -EINVAL; |
| 1512 | |
| 1513 | ctx->crop_rect.left = r->left; |
| 1514 | ctx->crop_rect.top = r->top; |
| 1515 | ctx->crop_rect.width = r->width; |
| 1516 | ctx->crop_rect.height = r->height; |
| 1517 | |
| 1518 | ctx->crop_altered = true; |
| 1519 | |
| 1520 | return 0; |
| 1521 | } |
| 1522 | |
| 1523 | /* |
| 1524 | * V4L2 controls |
| 1525 | */ |
| 1526 | |
Sachin Kamat | 9f3bd32 | 2012-05-10 03:38:40 -0300 | [diff] [blame] | 1527 | static int s5p_jpeg_g_selection(struct file *file, void *priv, |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 1528 | struct v4l2_selection *s) |
| 1529 | { |
Sylwester Nawrocki | 275de24 | 2012-02-17 11:38:09 -0300 | [diff] [blame] | 1530 | struct s5p_jpeg_ctx *ctx = fh_to_ctx(priv); |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 1531 | |
| 1532 | if (s->type != V4L2_BUF_TYPE_VIDEO_OUTPUT && |
Jacek Anaszewski | 38a6ef3 | 2014-04-10 04:32:15 -0300 | [diff] [blame] | 1533 | s->type != V4L2_BUF_TYPE_VIDEO_CAPTURE) |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 1534 | return -EINVAL; |
| 1535 | |
| 1536 | /* For JPEG blob active == default == bounds */ |
| 1537 | switch (s->target) { |
Sylwester Nawrocki | c133482 | 2012-05-20 11:17:12 -0300 | [diff] [blame] | 1538 | case V4L2_SEL_TGT_CROP: |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 1539 | case V4L2_SEL_TGT_CROP_BOUNDS: |
| 1540 | case V4L2_SEL_TGT_CROP_DEFAULT: |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 1541 | case V4L2_SEL_TGT_COMPOSE_DEFAULT: |
| 1542 | s->r.width = ctx->out_q.w; |
| 1543 | s->r.height = ctx->out_q.h; |
Jacek Anaszewski | fac4d96 | 2014-07-11 12:19:45 -0300 | [diff] [blame] | 1544 | s->r.left = 0; |
| 1545 | s->r.top = 0; |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 1546 | break; |
Jacek Anaszewski | fac4d96 | 2014-07-11 12:19:45 -0300 | [diff] [blame] | 1547 | case V4L2_SEL_TGT_COMPOSE: |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 1548 | case V4L2_SEL_TGT_COMPOSE_BOUNDS: |
| 1549 | case V4L2_SEL_TGT_COMPOSE_PADDED: |
Jacek Anaszewski | fac4d96 | 2014-07-11 12:19:45 -0300 | [diff] [blame] | 1550 | s->r.width = ctx->crop_rect.width; |
| 1551 | s->r.height = ctx->crop_rect.height; |
| 1552 | s->r.left = ctx->crop_rect.left; |
| 1553 | s->r.top = ctx->crop_rect.top; |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 1554 | break; |
| 1555 | default: |
| 1556 | return -EINVAL; |
| 1557 | } |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 1558 | return 0; |
| 1559 | } |
| 1560 | |
Sylwester Nawrocki | 15f4bc3 | 2012-02-17 11:39:36 -0300 | [diff] [blame] | 1561 | /* |
| 1562 | * V4L2 controls |
| 1563 | */ |
Jacek Anaszewski | 3246fda | 2014-07-11 12:19:42 -0300 | [diff] [blame] | 1564 | static int s5p_jpeg_s_selection(struct file *file, void *fh, |
| 1565 | struct v4l2_selection *s) |
| 1566 | { |
| 1567 | struct s5p_jpeg_ctx *ctx = fh_to_ctx(file->private_data); |
| 1568 | struct v4l2_rect *rect = &s->r; |
| 1569 | int ret = -EINVAL; |
| 1570 | |
| 1571 | if (s->type != V4L2_BUF_TYPE_VIDEO_CAPTURE) |
| 1572 | return -EINVAL; |
| 1573 | |
| 1574 | if (s->target == V4L2_SEL_TGT_COMPOSE) { |
| 1575 | if (ctx->mode != S5P_JPEG_DECODE) |
| 1576 | return -EINVAL; |
| 1577 | if (ctx->jpeg->variant->version == SJPEG_EXYNOS3250) |
| 1578 | ret = exynos3250_jpeg_try_downscale(ctx, rect); |
| 1579 | } else if (s->target == V4L2_SEL_TGT_CROP) { |
| 1580 | if (ctx->mode != S5P_JPEG_ENCODE) |
| 1581 | return -EINVAL; |
| 1582 | if (ctx->jpeg->variant->version == SJPEG_EXYNOS3250) |
| 1583 | ret = exynos3250_jpeg_try_crop(ctx, rect); |
| 1584 | } |
| 1585 | |
| 1586 | return ret; |
| 1587 | } |
Sylwester Nawrocki | 15f4bc3 | 2012-02-17 11:39:36 -0300 | [diff] [blame] | 1588 | |
| 1589 | static int s5p_jpeg_g_volatile_ctrl(struct v4l2_ctrl *ctrl) |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 1590 | { |
Sylwester Nawrocki | 15f4bc3 | 2012-02-17 11:39:36 -0300 | [diff] [blame] | 1591 | struct s5p_jpeg_ctx *ctx = ctrl_to_ctx(ctrl); |
| 1592 | struct s5p_jpeg *jpeg = ctx->jpeg; |
| 1593 | unsigned long flags; |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 1594 | |
Sylwester Nawrocki | 15f4bc3 | 2012-02-17 11:39:36 -0300 | [diff] [blame] | 1595 | switch (ctrl->id) { |
| 1596 | case V4L2_CID_JPEG_CHROMA_SUBSAMPLING: |
| 1597 | spin_lock_irqsave(&jpeg->slock, flags); |
Jacek Anaszewski | 303b0a9 | 2013-12-18 11:14:00 -0300 | [diff] [blame] | 1598 | ctrl->val = s5p_jpeg_to_user_subsampling(ctx); |
Sylwester Nawrocki | 15f4bc3 | 2012-02-17 11:39:36 -0300 | [diff] [blame] | 1599 | spin_unlock_irqrestore(&jpeg->slock, flags); |
| 1600 | break; |
| 1601 | } |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 1602 | |
| 1603 | return 0; |
| 1604 | } |
| 1605 | |
Jacek Anaszewski | 39c344c | 2014-07-11 12:19:48 -0300 | [diff] [blame] | 1606 | static int s5p_jpeg_adjust_subs_ctrl(struct s5p_jpeg_ctx *ctx, int *ctrl_val) |
| 1607 | { |
| 1608 | switch (ctx->jpeg->variant->version) { |
| 1609 | case SJPEG_S5P: |
| 1610 | return 0; |
| 1611 | case SJPEG_EXYNOS3250: |
| 1612 | /* |
| 1613 | * The exynos3250 device can produce JPEG image only |
| 1614 | * of 4:4:4 subsampling when given RGB32 source image. |
| 1615 | */ |
| 1616 | if (ctx->out_q.fmt->fourcc == V4L2_PIX_FMT_RGB32) |
| 1617 | *ctrl_val = 0; |
| 1618 | break; |
| 1619 | case SJPEG_EXYNOS4: |
| 1620 | /* |
| 1621 | * The exynos4x12 device requires input raw image fourcc |
| 1622 | * to be V4L2_PIX_FMT_GREY if gray jpeg format |
| 1623 | * is to be set. |
| 1624 | */ |
| 1625 | if (ctx->out_q.fmt->fourcc != V4L2_PIX_FMT_GREY && |
| 1626 | *ctrl_val == V4L2_JPEG_CHROMA_SUBSAMPLING_GRAY) |
| 1627 | return -EINVAL; |
| 1628 | break; |
| 1629 | } |
| 1630 | |
| 1631 | /* |
| 1632 | * The exynos4x12 and exynos3250 devices require resulting |
| 1633 | * jpeg subsampling not to be lower than the input raw image |
| 1634 | * subsampling. |
| 1635 | */ |
| 1636 | if (ctx->out_q.fmt->subsampling > *ctrl_val) |
| 1637 | *ctrl_val = ctx->out_q.fmt->subsampling; |
| 1638 | |
| 1639 | return 0; |
| 1640 | } |
| 1641 | |
Jacek Anaszewski | 11fbea3 | 2013-11-21 13:34:01 -0300 | [diff] [blame] | 1642 | static int s5p_jpeg_try_ctrl(struct v4l2_ctrl *ctrl) |
| 1643 | { |
| 1644 | struct s5p_jpeg_ctx *ctx = ctrl_to_ctx(ctrl); |
| 1645 | unsigned long flags; |
| 1646 | int ret = 0; |
| 1647 | |
| 1648 | spin_lock_irqsave(&ctx->jpeg->slock, flags); |
| 1649 | |
Jacek Anaszewski | 39c344c | 2014-07-11 12:19:48 -0300 | [diff] [blame] | 1650 | if (ctrl->id == V4L2_CID_JPEG_CHROMA_SUBSAMPLING) |
| 1651 | ret = s5p_jpeg_adjust_subs_ctrl(ctx, &ctrl->val); |
Jacek Anaszewski | 11fbea3 | 2013-11-21 13:34:01 -0300 | [diff] [blame] | 1652 | |
Jacek Anaszewski | 11fbea3 | 2013-11-21 13:34:01 -0300 | [diff] [blame] | 1653 | spin_unlock_irqrestore(&ctx->jpeg->slock, flags); |
| 1654 | return ret; |
| 1655 | } |
| 1656 | |
Sylwester Nawrocki | 15f4bc3 | 2012-02-17 11:39:36 -0300 | [diff] [blame] | 1657 | static int s5p_jpeg_s_ctrl(struct v4l2_ctrl *ctrl) |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 1658 | { |
Sylwester Nawrocki | 15f4bc3 | 2012-02-17 11:39:36 -0300 | [diff] [blame] | 1659 | struct s5p_jpeg_ctx *ctx = ctrl_to_ctx(ctrl); |
| 1660 | unsigned long flags; |
| 1661 | |
| 1662 | spin_lock_irqsave(&ctx->jpeg->slock, flags); |
| 1663 | |
| 1664 | switch (ctrl->id) { |
| 1665 | case V4L2_CID_JPEG_COMPRESSION_QUALITY: |
Jacek Anaszewski | 78e5a3c | 2013-11-25 06:58:08 -0300 | [diff] [blame] | 1666 | ctx->compr_quality = ctrl->val; |
Sylwester Nawrocki | 15f4bc3 | 2012-02-17 11:39:36 -0300 | [diff] [blame] | 1667 | break; |
| 1668 | case V4L2_CID_JPEG_RESTART_INTERVAL: |
| 1669 | ctx->restart_interval = ctrl->val; |
| 1670 | break; |
| 1671 | case V4L2_CID_JPEG_CHROMA_SUBSAMPLING: |
| 1672 | ctx->subsampling = ctrl->val; |
| 1673 | break; |
| 1674 | } |
| 1675 | |
| 1676 | spin_unlock_irqrestore(&ctx->jpeg->slock, flags); |
| 1677 | return 0; |
| 1678 | } |
| 1679 | |
| 1680 | static const struct v4l2_ctrl_ops s5p_jpeg_ctrl_ops = { |
| 1681 | .g_volatile_ctrl = s5p_jpeg_g_volatile_ctrl, |
Jacek Anaszewski | 11fbea3 | 2013-11-21 13:34:01 -0300 | [diff] [blame] | 1682 | .try_ctrl = s5p_jpeg_try_ctrl, |
Sylwester Nawrocki | 15f4bc3 | 2012-02-17 11:39:36 -0300 | [diff] [blame] | 1683 | .s_ctrl = s5p_jpeg_s_ctrl, |
| 1684 | }; |
| 1685 | |
| 1686 | static int s5p_jpeg_controls_create(struct s5p_jpeg_ctx *ctx) |
| 1687 | { |
| 1688 | unsigned int mask = ~0x27; /* 444, 422, 420, GRAY */ |
| 1689 | struct v4l2_ctrl *ctrl; |
Jacek Anaszewski | 088f830 | 2013-11-25 06:58:15 -0300 | [diff] [blame] | 1690 | int ret; |
Sylwester Nawrocki | 15f4bc3 | 2012-02-17 11:39:36 -0300 | [diff] [blame] | 1691 | |
| 1692 | v4l2_ctrl_handler_init(&ctx->ctrl_handler, 3); |
| 1693 | |
| 1694 | if (ctx->mode == S5P_JPEG_ENCODE) { |
| 1695 | v4l2_ctrl_new_std(&ctx->ctrl_handler, &s5p_jpeg_ctrl_ops, |
| 1696 | V4L2_CID_JPEG_COMPRESSION_QUALITY, |
Jacek Anaszewski | 78e5a3c | 2013-11-25 06:58:08 -0300 | [diff] [blame] | 1697 | 0, 3, 1, S5P_JPEG_COMPR_QUAL_WORST); |
Sylwester Nawrocki | 15f4bc3 | 2012-02-17 11:39:36 -0300 | [diff] [blame] | 1698 | |
| 1699 | v4l2_ctrl_new_std(&ctx->ctrl_handler, &s5p_jpeg_ctrl_ops, |
| 1700 | V4L2_CID_JPEG_RESTART_INTERVAL, |
| 1701 | 0, 3, 0xffff, 0); |
Jacek Anaszewski | fdf9e2b | 2013-11-21 13:33:41 -0300 | [diff] [blame] | 1702 | if (ctx->jpeg->variant->version == SJPEG_S5P) |
| 1703 | mask = ~0x06; /* 422, 420 */ |
Sylwester Nawrocki | 15f4bc3 | 2012-02-17 11:39:36 -0300 | [diff] [blame] | 1704 | } |
| 1705 | |
| 1706 | ctrl = v4l2_ctrl_new_std_menu(&ctx->ctrl_handler, &s5p_jpeg_ctrl_ops, |
| 1707 | V4L2_CID_JPEG_CHROMA_SUBSAMPLING, |
| 1708 | V4L2_JPEG_CHROMA_SUBSAMPLING_GRAY, mask, |
| 1709 | V4L2_JPEG_CHROMA_SUBSAMPLING_422); |
| 1710 | |
Jacek Anaszewski | 088f830 | 2013-11-25 06:58:15 -0300 | [diff] [blame] | 1711 | if (ctx->ctrl_handler.error) { |
| 1712 | ret = ctx->ctrl_handler.error; |
| 1713 | goto error_free; |
| 1714 | } |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 1715 | |
| 1716 | if (ctx->mode == S5P_JPEG_DECODE) |
Sylwester Nawrocki | 15f4bc3 | 2012-02-17 11:39:36 -0300 | [diff] [blame] | 1717 | ctrl->flags |= V4L2_CTRL_FLAG_VOLATILE | |
| 1718 | V4L2_CTRL_FLAG_READ_ONLY; |
Jacek Anaszewski | 088f830 | 2013-11-25 06:58:15 -0300 | [diff] [blame] | 1719 | |
| 1720 | ret = v4l2_ctrl_handler_setup(&ctx->ctrl_handler); |
| 1721 | if (ret < 0) |
| 1722 | goto error_free; |
| 1723 | |
| 1724 | return ret; |
| 1725 | |
| 1726 | error_free: |
| 1727 | v4l2_ctrl_handler_free(&ctx->ctrl_handler); |
| 1728 | return ret; |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 1729 | } |
| 1730 | |
| 1731 | static const struct v4l2_ioctl_ops s5p_jpeg_ioctl_ops = { |
| 1732 | .vidioc_querycap = s5p_jpeg_querycap, |
| 1733 | |
| 1734 | .vidioc_enum_fmt_vid_cap = s5p_jpeg_enum_fmt_vid_cap, |
| 1735 | .vidioc_enum_fmt_vid_out = s5p_jpeg_enum_fmt_vid_out, |
| 1736 | |
| 1737 | .vidioc_g_fmt_vid_cap = s5p_jpeg_g_fmt, |
| 1738 | .vidioc_g_fmt_vid_out = s5p_jpeg_g_fmt, |
| 1739 | |
| 1740 | .vidioc_try_fmt_vid_cap = s5p_jpeg_try_fmt_vid_cap, |
| 1741 | .vidioc_try_fmt_vid_out = s5p_jpeg_try_fmt_vid_out, |
| 1742 | |
| 1743 | .vidioc_s_fmt_vid_cap = s5p_jpeg_s_fmt_vid_cap, |
| 1744 | .vidioc_s_fmt_vid_out = s5p_jpeg_s_fmt_vid_out, |
| 1745 | |
Sylwester Nawrocki | 718cf4a | 2013-08-25 17:16:56 -0300 | [diff] [blame] | 1746 | .vidioc_reqbufs = v4l2_m2m_ioctl_reqbufs, |
| 1747 | .vidioc_querybuf = v4l2_m2m_ioctl_querybuf, |
| 1748 | .vidioc_qbuf = v4l2_m2m_ioctl_qbuf, |
| 1749 | .vidioc_dqbuf = v4l2_m2m_ioctl_dqbuf, |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 1750 | |
Sylwester Nawrocki | 718cf4a | 2013-08-25 17:16:56 -0300 | [diff] [blame] | 1751 | .vidioc_streamon = v4l2_m2m_ioctl_streamon, |
| 1752 | .vidioc_streamoff = v4l2_m2m_ioctl_streamoff, |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 1753 | |
| 1754 | .vidioc_g_selection = s5p_jpeg_g_selection, |
Jacek Anaszewski | 3246fda | 2014-07-11 12:19:42 -0300 | [diff] [blame] | 1755 | .vidioc_s_selection = s5p_jpeg_s_selection, |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 1756 | }; |
| 1757 | |
| 1758 | /* |
| 1759 | * ============================================================================ |
| 1760 | * mem2mem callbacks |
| 1761 | * ============================================================================ |
| 1762 | */ |
| 1763 | |
| 1764 | static void s5p_jpeg_device_run(void *priv) |
| 1765 | { |
| 1766 | struct s5p_jpeg_ctx *ctx = priv; |
| 1767 | struct s5p_jpeg *jpeg = ctx->jpeg; |
| 1768 | struct vb2_buffer *src_buf, *dst_buf; |
Jacek Anaszewski | b3c932a | 2013-11-25 06:58:14 -0300 | [diff] [blame] | 1769 | unsigned long src_addr, dst_addr, flags; |
| 1770 | |
| 1771 | spin_lock_irqsave(&ctx->jpeg->slock, flags); |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 1772 | |
Sylwester Nawrocki | 718cf4a | 2013-08-25 17:16:56 -0300 | [diff] [blame] | 1773 | src_buf = v4l2_m2m_next_src_buf(ctx->fh.m2m_ctx); |
| 1774 | dst_buf = v4l2_m2m_next_dst_buf(ctx->fh.m2m_ctx); |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 1775 | src_addr = vb2_dma_contig_plane_dma_addr(src_buf, 0); |
| 1776 | dst_addr = vb2_dma_contig_plane_dma_addr(dst_buf, 0); |
| 1777 | |
Jacek Anaszewski | 9f7b62d | 2013-12-18 09:32:50 -0300 | [diff] [blame] | 1778 | s5p_jpeg_reset(jpeg->regs); |
| 1779 | s5p_jpeg_poweron(jpeg->regs); |
| 1780 | s5p_jpeg_proc_mode(jpeg->regs, ctx->mode); |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 1781 | if (ctx->mode == S5P_JPEG_ENCODE) { |
| 1782 | if (ctx->out_q.fmt->fourcc == V4L2_PIX_FMT_RGB565) |
Jacek Anaszewski | 9f7b62d | 2013-12-18 09:32:50 -0300 | [diff] [blame] | 1783 | s5p_jpeg_input_raw_mode(jpeg->regs, |
| 1784 | S5P_JPEG_RAW_IN_565); |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 1785 | else |
Jacek Anaszewski | 9f7b62d | 2013-12-18 09:32:50 -0300 | [diff] [blame] | 1786 | s5p_jpeg_input_raw_mode(jpeg->regs, |
| 1787 | S5P_JPEG_RAW_IN_422); |
| 1788 | s5p_jpeg_subsampling_mode(jpeg->regs, ctx->subsampling); |
| 1789 | s5p_jpeg_dri(jpeg->regs, ctx->restart_interval); |
| 1790 | s5p_jpeg_x(jpeg->regs, ctx->out_q.w); |
| 1791 | s5p_jpeg_y(jpeg->regs, ctx->out_q.h); |
| 1792 | s5p_jpeg_imgadr(jpeg->regs, src_addr); |
| 1793 | s5p_jpeg_jpgadr(jpeg->regs, dst_addr); |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 1794 | |
| 1795 | /* ultimately comes from sizeimage from userspace */ |
Jacek Anaszewski | 9f7b62d | 2013-12-18 09:32:50 -0300 | [diff] [blame] | 1796 | s5p_jpeg_enc_stream_int(jpeg->regs, ctx->cap_q.size); |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 1797 | |
| 1798 | /* JPEG RGB to YCbCr conversion matrix */ |
Jacek Anaszewski | 9f7b62d | 2013-12-18 09:32:50 -0300 | [diff] [blame] | 1799 | s5p_jpeg_coef(jpeg->regs, 1, 1, S5P_JPEG_COEF11); |
| 1800 | s5p_jpeg_coef(jpeg->regs, 1, 2, S5P_JPEG_COEF12); |
| 1801 | s5p_jpeg_coef(jpeg->regs, 1, 3, S5P_JPEG_COEF13); |
| 1802 | s5p_jpeg_coef(jpeg->regs, 2, 1, S5P_JPEG_COEF21); |
| 1803 | s5p_jpeg_coef(jpeg->regs, 2, 2, S5P_JPEG_COEF22); |
| 1804 | s5p_jpeg_coef(jpeg->regs, 2, 3, S5P_JPEG_COEF23); |
| 1805 | s5p_jpeg_coef(jpeg->regs, 3, 1, S5P_JPEG_COEF31); |
| 1806 | s5p_jpeg_coef(jpeg->regs, 3, 2, S5P_JPEG_COEF32); |
| 1807 | s5p_jpeg_coef(jpeg->regs, 3, 3, S5P_JPEG_COEF33); |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 1808 | |
| 1809 | /* |
| 1810 | * JPEG IP allows storing 4 quantization tables |
| 1811 | * We fill table 0 for luma and table 1 for chroma |
| 1812 | */ |
Jacek Anaszewski | 31dc0ac | 2013-11-25 06:58:12 -0300 | [diff] [blame] | 1813 | s5p_jpeg_set_qtbl_lum(jpeg->regs, ctx->compr_quality); |
| 1814 | s5p_jpeg_set_qtbl_chr(jpeg->regs, ctx->compr_quality); |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 1815 | /* use table 0 for Y */ |
Jacek Anaszewski | 9f7b62d | 2013-12-18 09:32:50 -0300 | [diff] [blame] | 1816 | s5p_jpeg_qtbl(jpeg->regs, 1, 0); |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 1817 | /* use table 1 for Cb and Cr*/ |
Jacek Anaszewski | 9f7b62d | 2013-12-18 09:32:50 -0300 | [diff] [blame] | 1818 | s5p_jpeg_qtbl(jpeg->regs, 2, 1); |
| 1819 | s5p_jpeg_qtbl(jpeg->regs, 3, 1); |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 1820 | |
| 1821 | /* Y, Cb, Cr use Huffman table 0 */ |
Jacek Anaszewski | 9f7b62d | 2013-12-18 09:32:50 -0300 | [diff] [blame] | 1822 | s5p_jpeg_htbl_ac(jpeg->regs, 1); |
| 1823 | s5p_jpeg_htbl_dc(jpeg->regs, 1); |
| 1824 | s5p_jpeg_htbl_ac(jpeg->regs, 2); |
| 1825 | s5p_jpeg_htbl_dc(jpeg->regs, 2); |
| 1826 | s5p_jpeg_htbl_ac(jpeg->regs, 3); |
| 1827 | s5p_jpeg_htbl_dc(jpeg->regs, 3); |
Andrzej Pietrasiewicz | fb6f8c0 | 2012-02-20 07:32:25 -0300 | [diff] [blame] | 1828 | } else { /* S5P_JPEG_DECODE */ |
Jacek Anaszewski | 9f7b62d | 2013-12-18 09:32:50 -0300 | [diff] [blame] | 1829 | s5p_jpeg_rst_int_enable(jpeg->regs, true); |
| 1830 | s5p_jpeg_data_num_int_enable(jpeg->regs, true); |
| 1831 | s5p_jpeg_final_mcu_num_int_enable(jpeg->regs, true); |
Andrzej Pietrasiewicz | fb6f8c0 | 2012-02-20 07:32:25 -0300 | [diff] [blame] | 1832 | if (ctx->cap_q.fmt->fourcc == V4L2_PIX_FMT_YUYV) |
Jacek Anaszewski | 9f7b62d | 2013-12-18 09:32:50 -0300 | [diff] [blame] | 1833 | s5p_jpeg_outform_raw(jpeg->regs, S5P_JPEG_RAW_OUT_422); |
Andrzej Pietrasiewicz | fb6f8c0 | 2012-02-20 07:32:25 -0300 | [diff] [blame] | 1834 | else |
Jacek Anaszewski | 9f7b62d | 2013-12-18 09:32:50 -0300 | [diff] [blame] | 1835 | s5p_jpeg_outform_raw(jpeg->regs, S5P_JPEG_RAW_OUT_420); |
| 1836 | s5p_jpeg_jpgadr(jpeg->regs, src_addr); |
| 1837 | s5p_jpeg_imgadr(jpeg->regs, dst_addr); |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 1838 | } |
Sylwester Nawrocki | 15f4bc3 | 2012-02-17 11:39:36 -0300 | [diff] [blame] | 1839 | |
Jacek Anaszewski | 9f7b62d | 2013-12-18 09:32:50 -0300 | [diff] [blame] | 1840 | s5p_jpeg_start(jpeg->regs); |
Jacek Anaszewski | b3c932a | 2013-11-25 06:58:14 -0300 | [diff] [blame] | 1841 | |
| 1842 | spin_unlock_irqrestore(&ctx->jpeg->slock, flags); |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 1843 | } |
| 1844 | |
Jacek Anaszewski | 80529ae | 2013-12-18 11:04:44 -0300 | [diff] [blame] | 1845 | static void exynos4_jpeg_set_img_addr(struct s5p_jpeg_ctx *ctx) |
| 1846 | { |
| 1847 | struct s5p_jpeg *jpeg = ctx->jpeg; |
| 1848 | struct s5p_jpeg_fmt *fmt; |
| 1849 | struct vb2_buffer *vb; |
| 1850 | struct s5p_jpeg_addr jpeg_addr; |
| 1851 | u32 pix_size, padding_bytes = 0; |
| 1852 | |
| 1853 | pix_size = ctx->cap_q.w * ctx->cap_q.h; |
| 1854 | |
| 1855 | if (ctx->mode == S5P_JPEG_ENCODE) { |
| 1856 | vb = v4l2_m2m_next_src_buf(ctx->fh.m2m_ctx); |
| 1857 | fmt = ctx->out_q.fmt; |
| 1858 | if (ctx->out_q.w % 2 && fmt->h_align > 0) |
| 1859 | padding_bytes = ctx->out_q.h; |
| 1860 | } else { |
| 1861 | fmt = ctx->cap_q.fmt; |
| 1862 | vb = v4l2_m2m_next_dst_buf(ctx->fh.m2m_ctx); |
| 1863 | } |
| 1864 | |
| 1865 | jpeg_addr.y = vb2_dma_contig_plane_dma_addr(vb, 0); |
| 1866 | |
| 1867 | if (fmt->colplanes == 2) { |
| 1868 | jpeg_addr.cb = jpeg_addr.y + pix_size - padding_bytes; |
| 1869 | } else if (fmt->colplanes == 3) { |
| 1870 | jpeg_addr.cb = jpeg_addr.y + pix_size; |
| 1871 | if (fmt->fourcc == V4L2_PIX_FMT_YUV420) |
| 1872 | jpeg_addr.cr = jpeg_addr.cb + pix_size / 4; |
| 1873 | else |
| 1874 | jpeg_addr.cr = jpeg_addr.cb + pix_size / 2; |
| 1875 | } |
| 1876 | |
| 1877 | exynos4_jpeg_set_frame_buf_address(jpeg->regs, &jpeg_addr); |
| 1878 | } |
| 1879 | |
| 1880 | static void exynos4_jpeg_set_jpeg_addr(struct s5p_jpeg_ctx *ctx) |
| 1881 | { |
| 1882 | struct s5p_jpeg *jpeg = ctx->jpeg; |
| 1883 | struct vb2_buffer *vb; |
| 1884 | unsigned int jpeg_addr = 0; |
| 1885 | |
| 1886 | if (ctx->mode == S5P_JPEG_ENCODE) |
| 1887 | vb = v4l2_m2m_next_dst_buf(ctx->fh.m2m_ctx); |
| 1888 | else |
| 1889 | vb = v4l2_m2m_next_src_buf(ctx->fh.m2m_ctx); |
| 1890 | |
| 1891 | jpeg_addr = vb2_dma_contig_plane_dma_addr(vb, 0); |
| 1892 | exynos4_jpeg_set_stream_buf_address(jpeg->regs, jpeg_addr); |
| 1893 | } |
| 1894 | |
| 1895 | static void exynos4_jpeg_device_run(void *priv) |
| 1896 | { |
| 1897 | struct s5p_jpeg_ctx *ctx = priv; |
| 1898 | struct s5p_jpeg *jpeg = ctx->jpeg; |
| 1899 | unsigned int bitstream_size; |
| 1900 | unsigned long flags; |
| 1901 | |
| 1902 | spin_lock_irqsave(&ctx->jpeg->slock, flags); |
| 1903 | |
| 1904 | if (ctx->mode == S5P_JPEG_ENCODE) { |
| 1905 | exynos4_jpeg_sw_reset(jpeg->regs); |
| 1906 | exynos4_jpeg_set_interrupt(jpeg->regs); |
| 1907 | exynos4_jpeg_set_huf_table_enable(jpeg->regs, 1); |
| 1908 | |
| 1909 | exynos4_jpeg_set_huff_tbl(jpeg->regs); |
| 1910 | |
| 1911 | /* |
| 1912 | * JPEG IP allows storing 4 quantization tables |
| 1913 | * We fill table 0 for luma and table 1 for chroma |
| 1914 | */ |
| 1915 | exynos4_jpeg_set_qtbl_lum(jpeg->regs, ctx->compr_quality); |
| 1916 | exynos4_jpeg_set_qtbl_chr(jpeg->regs, ctx->compr_quality); |
| 1917 | |
| 1918 | exynos4_jpeg_set_encode_tbl_select(jpeg->regs, |
| 1919 | ctx->compr_quality); |
| 1920 | exynos4_jpeg_set_stream_size(jpeg->regs, ctx->cap_q.w, |
| 1921 | ctx->cap_q.h); |
| 1922 | |
| 1923 | exynos4_jpeg_set_enc_out_fmt(jpeg->regs, ctx->subsampling); |
| 1924 | exynos4_jpeg_set_img_fmt(jpeg->regs, ctx->out_q.fmt->fourcc); |
| 1925 | exynos4_jpeg_set_img_addr(ctx); |
| 1926 | exynos4_jpeg_set_jpeg_addr(ctx); |
| 1927 | exynos4_jpeg_set_encode_hoff_cnt(jpeg->regs, |
| 1928 | ctx->out_q.fmt->fourcc); |
| 1929 | } else { |
| 1930 | exynos4_jpeg_sw_reset(jpeg->regs); |
| 1931 | exynos4_jpeg_set_interrupt(jpeg->regs); |
| 1932 | exynos4_jpeg_set_img_addr(ctx); |
| 1933 | exynos4_jpeg_set_jpeg_addr(ctx); |
| 1934 | exynos4_jpeg_set_img_fmt(jpeg->regs, ctx->cap_q.fmt->fourcc); |
| 1935 | |
| 1936 | bitstream_size = DIV_ROUND_UP(ctx->out_q.size, 32); |
| 1937 | |
| 1938 | exynos4_jpeg_set_dec_bitstream_size(jpeg->regs, bitstream_size); |
| 1939 | } |
| 1940 | |
| 1941 | exynos4_jpeg_set_enc_dec_mode(jpeg->regs, ctx->mode); |
| 1942 | |
| 1943 | spin_unlock_irqrestore(&ctx->jpeg->slock, flags); |
| 1944 | } |
| 1945 | |
Jacek Anaszewski | 3246fda | 2014-07-11 12:19:42 -0300 | [diff] [blame] | 1946 | static void exynos3250_jpeg_set_img_addr(struct s5p_jpeg_ctx *ctx) |
| 1947 | { |
| 1948 | struct s5p_jpeg *jpeg = ctx->jpeg; |
| 1949 | struct s5p_jpeg_fmt *fmt; |
| 1950 | struct vb2_buffer *vb; |
| 1951 | struct s5p_jpeg_addr jpeg_addr; |
| 1952 | u32 pix_size; |
| 1953 | |
| 1954 | pix_size = ctx->cap_q.w * ctx->cap_q.h; |
| 1955 | |
| 1956 | if (ctx->mode == S5P_JPEG_ENCODE) { |
| 1957 | vb = v4l2_m2m_next_src_buf(ctx->fh.m2m_ctx); |
| 1958 | fmt = ctx->out_q.fmt; |
| 1959 | } else { |
| 1960 | vb = v4l2_m2m_next_dst_buf(ctx->fh.m2m_ctx); |
| 1961 | fmt = ctx->cap_q.fmt; |
| 1962 | } |
| 1963 | |
| 1964 | jpeg_addr.y = vb2_dma_contig_plane_dma_addr(vb, 0); |
| 1965 | |
| 1966 | if (fmt->colplanes == 2) { |
| 1967 | jpeg_addr.cb = jpeg_addr.y + pix_size; |
| 1968 | } else if (fmt->colplanes == 3) { |
| 1969 | jpeg_addr.cb = jpeg_addr.y + pix_size; |
| 1970 | if (fmt->fourcc == V4L2_PIX_FMT_YUV420) |
| 1971 | jpeg_addr.cr = jpeg_addr.cb + pix_size / 4; |
| 1972 | else |
| 1973 | jpeg_addr.cr = jpeg_addr.cb + pix_size / 2; |
| 1974 | } |
| 1975 | |
| 1976 | exynos3250_jpeg_imgadr(jpeg->regs, &jpeg_addr); |
| 1977 | } |
| 1978 | |
| 1979 | static void exynos3250_jpeg_set_jpeg_addr(struct s5p_jpeg_ctx *ctx) |
| 1980 | { |
| 1981 | struct s5p_jpeg *jpeg = ctx->jpeg; |
| 1982 | struct vb2_buffer *vb; |
| 1983 | unsigned int jpeg_addr = 0; |
| 1984 | |
| 1985 | if (ctx->mode == S5P_JPEG_ENCODE) |
| 1986 | vb = v4l2_m2m_next_dst_buf(ctx->fh.m2m_ctx); |
| 1987 | else |
| 1988 | vb = v4l2_m2m_next_src_buf(ctx->fh.m2m_ctx); |
| 1989 | |
| 1990 | jpeg_addr = vb2_dma_contig_plane_dma_addr(vb, 0); |
| 1991 | exynos3250_jpeg_jpgadr(jpeg->regs, jpeg_addr); |
| 1992 | } |
| 1993 | |
| 1994 | static void exynos3250_jpeg_device_run(void *priv) |
| 1995 | { |
| 1996 | struct s5p_jpeg_ctx *ctx = priv; |
| 1997 | struct s5p_jpeg *jpeg = ctx->jpeg; |
| 1998 | unsigned long flags; |
| 1999 | |
| 2000 | spin_lock_irqsave(&ctx->jpeg->slock, flags); |
| 2001 | |
| 2002 | exynos3250_jpeg_reset(jpeg->regs); |
| 2003 | exynos3250_jpeg_set_dma_num(jpeg->regs); |
| 2004 | exynos3250_jpeg_poweron(jpeg->regs); |
| 2005 | exynos3250_jpeg_clk_set(jpeg->regs); |
| 2006 | exynos3250_jpeg_proc_mode(jpeg->regs, ctx->mode); |
| 2007 | |
| 2008 | if (ctx->mode == S5P_JPEG_ENCODE) { |
| 2009 | exynos3250_jpeg_input_raw_fmt(jpeg->regs, |
| 2010 | ctx->out_q.fmt->fourcc); |
| 2011 | exynos3250_jpeg_dri(jpeg->regs, ctx->restart_interval); |
| 2012 | |
| 2013 | /* |
| 2014 | * JPEG IP allows storing 4 quantization tables |
| 2015 | * We fill table 0 for luma and table 1 for chroma |
| 2016 | */ |
| 2017 | s5p_jpeg_set_qtbl_lum(jpeg->regs, ctx->compr_quality); |
| 2018 | s5p_jpeg_set_qtbl_chr(jpeg->regs, ctx->compr_quality); |
| 2019 | /* use table 0 for Y */ |
| 2020 | exynos3250_jpeg_qtbl(jpeg->regs, 1, 0); |
| 2021 | /* use table 1 for Cb and Cr*/ |
| 2022 | exynos3250_jpeg_qtbl(jpeg->regs, 2, 1); |
| 2023 | exynos3250_jpeg_qtbl(jpeg->regs, 3, 1); |
| 2024 | |
| 2025 | /* Y, Cb, Cr use Huffman table 0 */ |
| 2026 | exynos3250_jpeg_htbl_ac(jpeg->regs, 1); |
| 2027 | exynos3250_jpeg_htbl_dc(jpeg->regs, 1); |
| 2028 | exynos3250_jpeg_htbl_ac(jpeg->regs, 2); |
| 2029 | exynos3250_jpeg_htbl_dc(jpeg->regs, 2); |
| 2030 | exynos3250_jpeg_htbl_ac(jpeg->regs, 3); |
| 2031 | exynos3250_jpeg_htbl_dc(jpeg->regs, 3); |
| 2032 | |
| 2033 | exynos3250_jpeg_set_x(jpeg->regs, ctx->crop_rect.width); |
| 2034 | exynos3250_jpeg_set_y(jpeg->regs, ctx->crop_rect.height); |
| 2035 | exynos3250_jpeg_stride(jpeg->regs, ctx->out_q.fmt->fourcc, |
| 2036 | ctx->out_q.w); |
| 2037 | exynos3250_jpeg_offset(jpeg->regs, ctx->crop_rect.left, |
| 2038 | ctx->crop_rect.top); |
| 2039 | exynos3250_jpeg_set_img_addr(ctx); |
| 2040 | exynos3250_jpeg_set_jpeg_addr(ctx); |
| 2041 | exynos3250_jpeg_subsampling_mode(jpeg->regs, ctx->subsampling); |
| 2042 | |
| 2043 | /* ultimately comes from sizeimage from userspace */ |
| 2044 | exynos3250_jpeg_enc_stream_bound(jpeg->regs, ctx->cap_q.size); |
| 2045 | |
| 2046 | if (ctx->out_q.fmt->fourcc == V4L2_PIX_FMT_RGB565 || |
| 2047 | ctx->out_q.fmt->fourcc == V4L2_PIX_FMT_RGB565X || |
| 2048 | ctx->out_q.fmt->fourcc == V4L2_PIX_FMT_RGB32) |
| 2049 | exynos3250_jpeg_set_y16(jpeg->regs, true); |
| 2050 | } else { |
| 2051 | exynos3250_jpeg_set_img_addr(ctx); |
| 2052 | exynos3250_jpeg_set_jpeg_addr(ctx); |
| 2053 | exynos3250_jpeg_stride(jpeg->regs, ctx->cap_q.fmt->fourcc, |
| 2054 | ctx->cap_q.w); |
| 2055 | exynos3250_jpeg_offset(jpeg->regs, 0, 0); |
| 2056 | exynos3250_jpeg_dec_scaling_ratio(jpeg->regs, |
| 2057 | ctx->scale_factor); |
| 2058 | exynos3250_jpeg_dec_stream_size(jpeg->regs, ctx->out_q.size); |
| 2059 | exynos3250_jpeg_output_raw_fmt(jpeg->regs, |
| 2060 | ctx->cap_q.fmt->fourcc); |
| 2061 | } |
| 2062 | |
| 2063 | exynos3250_jpeg_interrupts_enable(jpeg->regs); |
| 2064 | |
| 2065 | /* JPEG RGB to YCbCr conversion matrix */ |
| 2066 | exynos3250_jpeg_coef(jpeg->regs, ctx->mode); |
| 2067 | |
| 2068 | exynos3250_jpeg_set_timer(jpeg->regs, EXYNOS3250_IRQ_TIMEOUT); |
| 2069 | jpeg->irq_status = 0; |
| 2070 | exynos3250_jpeg_start(jpeg->regs); |
| 2071 | |
| 2072 | spin_unlock_irqrestore(&ctx->jpeg->slock, flags); |
| 2073 | } |
| 2074 | |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 2075 | static int s5p_jpeg_job_ready(void *priv) |
| 2076 | { |
| 2077 | struct s5p_jpeg_ctx *ctx = priv; |
| 2078 | |
| 2079 | if (ctx->mode == S5P_JPEG_DECODE) |
| 2080 | return ctx->hdr_parsed; |
| 2081 | return 1; |
| 2082 | } |
| 2083 | |
| 2084 | static void s5p_jpeg_job_abort(void *priv) |
| 2085 | { |
| 2086 | } |
| 2087 | |
| 2088 | static struct v4l2_m2m_ops s5p_jpeg_m2m_ops = { |
| 2089 | .device_run = s5p_jpeg_device_run, |
| 2090 | .job_ready = s5p_jpeg_job_ready, |
| 2091 | .job_abort = s5p_jpeg_job_abort, |
Jacek Anaszewski | 3246fda | 2014-07-11 12:19:42 -0300 | [diff] [blame] | 2092 | }; |
| 2093 | |
| 2094 | static struct v4l2_m2m_ops exynos3250_jpeg_m2m_ops = { |
| 2095 | .device_run = exynos3250_jpeg_device_run, |
| 2096 | .job_ready = s5p_jpeg_job_ready, |
| 2097 | .job_abort = s5p_jpeg_job_abort, |
| 2098 | }; |
| 2099 | |
Jacek Anaszewski | bf689bb | 2014-04-10 04:32:13 -0300 | [diff] [blame] | 2100 | static struct v4l2_m2m_ops exynos4_jpeg_m2m_ops = { |
Jacek Anaszewski | 80529ae | 2013-12-18 11:04:44 -0300 | [diff] [blame] | 2101 | .device_run = exynos4_jpeg_device_run, |
| 2102 | .job_ready = s5p_jpeg_job_ready, |
| 2103 | .job_abort = s5p_jpeg_job_abort, |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 2104 | }; |
| 2105 | |
| 2106 | /* |
| 2107 | * ============================================================================ |
| 2108 | * Queue operations |
| 2109 | * ============================================================================ |
| 2110 | */ |
| 2111 | |
Marek Szyprowski | 719c174 | 2012-01-13 05:12:38 -0300 | [diff] [blame] | 2112 | static int s5p_jpeg_queue_setup(struct vb2_queue *vq, |
| 2113 | const struct v4l2_format *fmt, |
| 2114 | unsigned int *nbuffers, unsigned int *nplanes, |
| 2115 | unsigned int sizes[], void *alloc_ctxs[]) |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 2116 | { |
| 2117 | struct s5p_jpeg_ctx *ctx = vb2_get_drv_priv(vq); |
| 2118 | struct s5p_jpeg_q_data *q_data = NULL; |
| 2119 | unsigned int size, count = *nbuffers; |
| 2120 | |
| 2121 | q_data = get_q_data(ctx, vq->type); |
| 2122 | BUG_ON(q_data == NULL); |
| 2123 | |
| 2124 | size = q_data->size; |
| 2125 | |
| 2126 | /* |
| 2127 | * header is parsed during decoding and parsed information stored |
| 2128 | * in the context so we do not allow another buffer to overwrite it |
| 2129 | */ |
| 2130 | if (ctx->mode == S5P_JPEG_DECODE) |
| 2131 | count = 1; |
| 2132 | |
| 2133 | *nbuffers = count; |
| 2134 | *nplanes = 1; |
| 2135 | sizes[0] = size; |
| 2136 | alloc_ctxs[0] = ctx->jpeg->alloc_ctx; |
| 2137 | |
| 2138 | return 0; |
| 2139 | } |
| 2140 | |
| 2141 | static int s5p_jpeg_buf_prepare(struct vb2_buffer *vb) |
| 2142 | { |
| 2143 | struct s5p_jpeg_ctx *ctx = vb2_get_drv_priv(vb->vb2_queue); |
| 2144 | struct s5p_jpeg_q_data *q_data = NULL; |
| 2145 | |
| 2146 | q_data = get_q_data(ctx, vb->vb2_queue->type); |
| 2147 | BUG_ON(q_data == NULL); |
| 2148 | |
| 2149 | if (vb2_plane_size(vb, 0) < q_data->size) { |
| 2150 | pr_err("%s data will not fit into plane (%lu < %lu)\n", |
| 2151 | __func__, vb2_plane_size(vb, 0), |
| 2152 | (long)q_data->size); |
| 2153 | return -EINVAL; |
| 2154 | } |
| 2155 | |
| 2156 | vb2_set_plane_payload(vb, 0, q_data->size); |
| 2157 | |
| 2158 | return 0; |
| 2159 | } |
| 2160 | |
| 2161 | static void s5p_jpeg_buf_queue(struct vb2_buffer *vb) |
| 2162 | { |
| 2163 | struct s5p_jpeg_ctx *ctx = vb2_get_drv_priv(vb->vb2_queue); |
| 2164 | |
| 2165 | if (ctx->mode == S5P_JPEG_DECODE && |
| 2166 | vb->vb2_queue->type == V4L2_BUF_TYPE_VIDEO_OUTPUT) { |
| 2167 | struct s5p_jpeg_q_data tmp, *q_data; |
| 2168 | ctx->hdr_parsed = s5p_jpeg_parse_hdr(&tmp, |
| 2169 | (unsigned long)vb2_plane_vaddr(vb, 0), |
| 2170 | min((unsigned long)ctx->out_q.size, |
Jacek Anaszewski | f843396 | 2013-11-21 13:33:09 -0300 | [diff] [blame] | 2171 | vb2_get_plane_payload(vb, 0)), ctx); |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 2172 | if (!ctx->hdr_parsed) { |
| 2173 | vb2_buffer_done(vb, VB2_BUF_STATE_ERROR); |
| 2174 | return; |
| 2175 | } |
| 2176 | |
| 2177 | q_data = &ctx->out_q; |
| 2178 | q_data->w = tmp.w; |
| 2179 | q_data->h = tmp.h; |
| 2180 | |
| 2181 | q_data = &ctx->cap_q; |
| 2182 | q_data->w = tmp.w; |
| 2183 | q_data->h = tmp.h; |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 2184 | } |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 2185 | |
Sylwester Nawrocki | 718cf4a | 2013-08-25 17:16:56 -0300 | [diff] [blame] | 2186 | v4l2_m2m_buf_queue(ctx->fh.m2m_ctx, vb); |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 2187 | } |
| 2188 | |
| 2189 | static int s5p_jpeg_start_streaming(struct vb2_queue *q, unsigned int count) |
| 2190 | { |
| 2191 | struct s5p_jpeg_ctx *ctx = vb2_get_drv_priv(q); |
| 2192 | int ret; |
| 2193 | |
| 2194 | ret = pm_runtime_get_sync(ctx->jpeg->dev); |
| 2195 | |
| 2196 | return ret > 0 ? 0 : ret; |
| 2197 | } |
| 2198 | |
Hans Verkuil | e37559b | 2014-04-17 02:47:21 -0300 | [diff] [blame] | 2199 | static void s5p_jpeg_stop_streaming(struct vb2_queue *q) |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 2200 | { |
| 2201 | struct s5p_jpeg_ctx *ctx = vb2_get_drv_priv(q); |
| 2202 | |
| 2203 | pm_runtime_put(ctx->jpeg->dev); |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 2204 | } |
| 2205 | |
| 2206 | static struct vb2_ops s5p_jpeg_qops = { |
| 2207 | .queue_setup = s5p_jpeg_queue_setup, |
| 2208 | .buf_prepare = s5p_jpeg_buf_prepare, |
| 2209 | .buf_queue = s5p_jpeg_buf_queue, |
Sylwester Nawrocki | 718cf4a | 2013-08-25 17:16:56 -0300 | [diff] [blame] | 2210 | .wait_prepare = vb2_ops_wait_prepare, |
| 2211 | .wait_finish = vb2_ops_wait_finish, |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 2212 | .start_streaming = s5p_jpeg_start_streaming, |
| 2213 | .stop_streaming = s5p_jpeg_stop_streaming, |
| 2214 | }; |
| 2215 | |
| 2216 | static int queue_init(void *priv, struct vb2_queue *src_vq, |
| 2217 | struct vb2_queue *dst_vq) |
| 2218 | { |
| 2219 | struct s5p_jpeg_ctx *ctx = priv; |
| 2220 | int ret; |
| 2221 | |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 2222 | src_vq->type = V4L2_BUF_TYPE_VIDEO_OUTPUT; |
| 2223 | src_vq->io_modes = VB2_MMAP | VB2_USERPTR; |
| 2224 | src_vq->drv_priv = ctx; |
| 2225 | src_vq->buf_struct_size = sizeof(struct v4l2_m2m_buffer); |
| 2226 | src_vq->ops = &s5p_jpeg_qops; |
| 2227 | src_vq->mem_ops = &vb2_dma_contig_memops; |
Sakari Ailus | ade4868 | 2014-02-25 19:12:19 -0300 | [diff] [blame] | 2228 | src_vq->timestamp_flags = V4L2_BUF_FLAG_TIMESTAMP_COPY; |
Sylwester Nawrocki | 718cf4a | 2013-08-25 17:16:56 -0300 | [diff] [blame] | 2229 | src_vq->lock = &ctx->jpeg->lock; |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 2230 | |
| 2231 | ret = vb2_queue_init(src_vq); |
| 2232 | if (ret) |
| 2233 | return ret; |
| 2234 | |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 2235 | dst_vq->type = V4L2_BUF_TYPE_VIDEO_CAPTURE; |
| 2236 | dst_vq->io_modes = VB2_MMAP | VB2_USERPTR; |
| 2237 | dst_vq->drv_priv = ctx; |
| 2238 | dst_vq->buf_struct_size = sizeof(struct v4l2_m2m_buffer); |
| 2239 | dst_vq->ops = &s5p_jpeg_qops; |
| 2240 | dst_vq->mem_ops = &vb2_dma_contig_memops; |
Sakari Ailus | ade4868 | 2014-02-25 19:12:19 -0300 | [diff] [blame] | 2241 | dst_vq->timestamp_flags = V4L2_BUF_FLAG_TIMESTAMP_COPY; |
Sylwester Nawrocki | 718cf4a | 2013-08-25 17:16:56 -0300 | [diff] [blame] | 2242 | dst_vq->lock = &ctx->jpeg->lock; |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 2243 | |
| 2244 | return vb2_queue_init(dst_vq); |
| 2245 | } |
| 2246 | |
| 2247 | /* |
| 2248 | * ============================================================================ |
| 2249 | * ISR |
| 2250 | * ============================================================================ |
| 2251 | */ |
| 2252 | |
| 2253 | static irqreturn_t s5p_jpeg_irq(int irq, void *dev_id) |
| 2254 | { |
| 2255 | struct s5p_jpeg *jpeg = dev_id; |
| 2256 | struct s5p_jpeg_ctx *curr_ctx; |
| 2257 | struct vb2_buffer *src_buf, *dst_buf; |
| 2258 | unsigned long payload_size = 0; |
| 2259 | enum vb2_buffer_state state = VB2_BUF_STATE_DONE; |
| 2260 | bool enc_jpeg_too_large = false; |
| 2261 | bool timer_elapsed = false; |
| 2262 | bool op_completed = false; |
| 2263 | |
Sylwester Nawrocki | 15f4bc3 | 2012-02-17 11:39:36 -0300 | [diff] [blame] | 2264 | spin_lock(&jpeg->slock); |
| 2265 | |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 2266 | curr_ctx = v4l2_m2m_get_curr_priv(jpeg->m2m_dev); |
| 2267 | |
Sylwester Nawrocki | 718cf4a | 2013-08-25 17:16:56 -0300 | [diff] [blame] | 2268 | src_buf = v4l2_m2m_src_buf_remove(curr_ctx->fh.m2m_ctx); |
| 2269 | dst_buf = v4l2_m2m_dst_buf_remove(curr_ctx->fh.m2m_ctx); |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 2270 | |
| 2271 | if (curr_ctx->mode == S5P_JPEG_ENCODE) |
Jacek Anaszewski | 9f7b62d | 2013-12-18 09:32:50 -0300 | [diff] [blame] | 2272 | enc_jpeg_too_large = s5p_jpeg_enc_stream_stat(jpeg->regs); |
| 2273 | timer_elapsed = s5p_jpeg_timer_stat(jpeg->regs); |
| 2274 | op_completed = s5p_jpeg_result_stat_ok(jpeg->regs); |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 2275 | if (curr_ctx->mode == S5P_JPEG_DECODE) |
Jacek Anaszewski | 9f7b62d | 2013-12-18 09:32:50 -0300 | [diff] [blame] | 2276 | op_completed = op_completed && |
| 2277 | s5p_jpeg_stream_stat_ok(jpeg->regs); |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 2278 | |
| 2279 | if (enc_jpeg_too_large) { |
| 2280 | state = VB2_BUF_STATE_ERROR; |
Jacek Anaszewski | 9f7b62d | 2013-12-18 09:32:50 -0300 | [diff] [blame] | 2281 | s5p_jpeg_clear_enc_stream_stat(jpeg->regs); |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 2282 | } else if (timer_elapsed) { |
| 2283 | state = VB2_BUF_STATE_ERROR; |
Jacek Anaszewski | 9f7b62d | 2013-12-18 09:32:50 -0300 | [diff] [blame] | 2284 | s5p_jpeg_clear_timer_stat(jpeg->regs); |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 2285 | } else if (!op_completed) { |
| 2286 | state = VB2_BUF_STATE_ERROR; |
| 2287 | } else { |
Jacek Anaszewski | 9f7b62d | 2013-12-18 09:32:50 -0300 | [diff] [blame] | 2288 | payload_size = s5p_jpeg_compressed_size(jpeg->regs); |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 2289 | } |
| 2290 | |
Kamil Debski | aca326a | 2013-04-24 10:08:02 -0300 | [diff] [blame] | 2291 | dst_buf->v4l2_buf.timecode = src_buf->v4l2_buf.timecode; |
| 2292 | dst_buf->v4l2_buf.timestamp = src_buf->v4l2_buf.timestamp; |
Sakari Ailus | 309f4d6 | 2014-02-08 14:21:35 -0300 | [diff] [blame] | 2293 | dst_buf->v4l2_buf.flags &= ~V4L2_BUF_FLAG_TSTAMP_SRC_MASK; |
| 2294 | dst_buf->v4l2_buf.flags |= |
| 2295 | src_buf->v4l2_buf.flags & V4L2_BUF_FLAG_TSTAMP_SRC_MASK; |
Kamil Debski | aca326a | 2013-04-24 10:08:02 -0300 | [diff] [blame] | 2296 | |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 2297 | v4l2_m2m_buf_done(src_buf, state); |
| 2298 | if (curr_ctx->mode == S5P_JPEG_ENCODE) |
| 2299 | vb2_set_plane_payload(dst_buf, 0, payload_size); |
| 2300 | v4l2_m2m_buf_done(dst_buf, state); |
Sylwester Nawrocki | 718cf4a | 2013-08-25 17:16:56 -0300 | [diff] [blame] | 2301 | v4l2_m2m_job_finish(jpeg->m2m_dev, curr_ctx->fh.m2m_ctx); |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 2302 | |
Jacek Anaszewski | 9f7b62d | 2013-12-18 09:32:50 -0300 | [diff] [blame] | 2303 | curr_ctx->subsampling = s5p_jpeg_get_subsampling_mode(jpeg->regs); |
Sylwester Nawrocki | 15f4bc3 | 2012-02-17 11:39:36 -0300 | [diff] [blame] | 2304 | spin_unlock(&jpeg->slock); |
Andrzej Pietrasiewicz | fb6f8c0 | 2012-02-20 07:32:25 -0300 | [diff] [blame] | 2305 | |
Jacek Anaszewski | 9f7b62d | 2013-12-18 09:32:50 -0300 | [diff] [blame] | 2306 | s5p_jpeg_clear_int(jpeg->regs); |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 2307 | |
| 2308 | return IRQ_HANDLED; |
| 2309 | } |
| 2310 | |
Jacek Anaszewski | 80529ae | 2013-12-18 11:04:44 -0300 | [diff] [blame] | 2311 | static irqreturn_t exynos4_jpeg_irq(int irq, void *priv) |
| 2312 | { |
| 2313 | unsigned int int_status; |
| 2314 | struct vb2_buffer *src_vb, *dst_vb; |
| 2315 | struct s5p_jpeg *jpeg = priv; |
| 2316 | struct s5p_jpeg_ctx *curr_ctx; |
| 2317 | unsigned long payload_size = 0; |
| 2318 | |
| 2319 | spin_lock(&jpeg->slock); |
| 2320 | |
| 2321 | curr_ctx = v4l2_m2m_get_curr_priv(jpeg->m2m_dev); |
| 2322 | |
| 2323 | src_vb = v4l2_m2m_src_buf_remove(curr_ctx->fh.m2m_ctx); |
| 2324 | dst_vb = v4l2_m2m_dst_buf_remove(curr_ctx->fh.m2m_ctx); |
| 2325 | |
| 2326 | int_status = exynos4_jpeg_get_int_status(jpeg->regs); |
| 2327 | |
| 2328 | if (int_status) { |
| 2329 | switch (int_status & 0x1f) { |
| 2330 | case 0x1: |
| 2331 | jpeg->irq_ret = ERR_PROT; |
| 2332 | break; |
| 2333 | case 0x2: |
| 2334 | jpeg->irq_ret = OK_ENC_OR_DEC; |
| 2335 | break; |
| 2336 | case 0x4: |
| 2337 | jpeg->irq_ret = ERR_DEC_INVALID_FORMAT; |
| 2338 | break; |
| 2339 | case 0x8: |
| 2340 | jpeg->irq_ret = ERR_MULTI_SCAN; |
| 2341 | break; |
| 2342 | case 0x10: |
| 2343 | jpeg->irq_ret = ERR_FRAME; |
| 2344 | break; |
| 2345 | default: |
| 2346 | jpeg->irq_ret = ERR_UNKNOWN; |
| 2347 | break; |
| 2348 | } |
| 2349 | } else { |
| 2350 | jpeg->irq_ret = ERR_UNKNOWN; |
| 2351 | } |
| 2352 | |
| 2353 | if (jpeg->irq_ret == OK_ENC_OR_DEC) { |
| 2354 | if (curr_ctx->mode == S5P_JPEG_ENCODE) { |
| 2355 | payload_size = exynos4_jpeg_get_stream_size(jpeg->regs); |
| 2356 | vb2_set_plane_payload(dst_vb, 0, payload_size); |
| 2357 | } |
| 2358 | v4l2_m2m_buf_done(src_vb, VB2_BUF_STATE_DONE); |
| 2359 | v4l2_m2m_buf_done(dst_vb, VB2_BUF_STATE_DONE); |
| 2360 | } else { |
| 2361 | v4l2_m2m_buf_done(src_vb, VB2_BUF_STATE_ERROR); |
| 2362 | v4l2_m2m_buf_done(dst_vb, VB2_BUF_STATE_ERROR); |
| 2363 | } |
| 2364 | |
| 2365 | v4l2_m2m_job_finish(jpeg->m2m_dev, curr_ctx->fh.m2m_ctx); |
| 2366 | curr_ctx->subsampling = exynos4_jpeg_get_frame_fmt(jpeg->regs); |
| 2367 | |
| 2368 | spin_unlock(&jpeg->slock); |
| 2369 | return IRQ_HANDLED; |
| 2370 | } |
| 2371 | |
Jacek Anaszewski | 3246fda | 2014-07-11 12:19:42 -0300 | [diff] [blame] | 2372 | static irqreturn_t exynos3250_jpeg_irq(int irq, void *dev_id) |
| 2373 | { |
| 2374 | struct s5p_jpeg *jpeg = dev_id; |
| 2375 | struct s5p_jpeg_ctx *curr_ctx; |
| 2376 | struct vb2_buffer *src_buf, *dst_buf; |
| 2377 | unsigned long payload_size = 0; |
| 2378 | enum vb2_buffer_state state = VB2_BUF_STATE_DONE; |
| 2379 | bool interrupt_timeout = false; |
| 2380 | u32 irq_status; |
| 2381 | |
| 2382 | spin_lock(&jpeg->slock); |
| 2383 | |
| 2384 | irq_status = exynos3250_jpeg_get_timer_status(jpeg->regs); |
| 2385 | if (irq_status & EXYNOS3250_TIMER_INT_STAT) { |
| 2386 | exynos3250_jpeg_clear_timer_status(jpeg->regs); |
| 2387 | interrupt_timeout = true; |
| 2388 | dev_err(jpeg->dev, "Interrupt timeout occurred.\n"); |
| 2389 | } |
| 2390 | |
| 2391 | irq_status = exynos3250_jpeg_get_int_status(jpeg->regs); |
| 2392 | exynos3250_jpeg_clear_int_status(jpeg->regs, irq_status); |
| 2393 | |
| 2394 | jpeg->irq_status |= irq_status; |
| 2395 | |
| 2396 | curr_ctx = v4l2_m2m_get_curr_priv(jpeg->m2m_dev); |
| 2397 | |
| 2398 | if (!curr_ctx) |
| 2399 | goto exit_unlock; |
| 2400 | |
| 2401 | if ((irq_status & EXYNOS3250_HEADER_STAT) && |
| 2402 | (curr_ctx->mode == S5P_JPEG_DECODE)) { |
| 2403 | exynos3250_jpeg_rstart(jpeg->regs); |
| 2404 | goto exit_unlock; |
| 2405 | } |
| 2406 | |
| 2407 | if (jpeg->irq_status & (EXYNOS3250_JPEG_DONE | |
| 2408 | EXYNOS3250_WDMA_DONE | |
| 2409 | EXYNOS3250_RDMA_DONE | |
| 2410 | EXYNOS3250_RESULT_STAT)) |
| 2411 | payload_size = exynos3250_jpeg_compressed_size(jpeg->regs); |
| 2412 | else if (interrupt_timeout) |
| 2413 | state = VB2_BUF_STATE_ERROR; |
| 2414 | else |
| 2415 | goto exit_unlock; |
| 2416 | |
| 2417 | src_buf = v4l2_m2m_src_buf_remove(curr_ctx->fh.m2m_ctx); |
| 2418 | dst_buf = v4l2_m2m_dst_buf_remove(curr_ctx->fh.m2m_ctx); |
| 2419 | |
| 2420 | dst_buf->v4l2_buf.timecode = src_buf->v4l2_buf.timecode; |
| 2421 | dst_buf->v4l2_buf.timestamp = src_buf->v4l2_buf.timestamp; |
| 2422 | |
| 2423 | v4l2_m2m_buf_done(src_buf, state); |
| 2424 | if (curr_ctx->mode == S5P_JPEG_ENCODE) |
| 2425 | vb2_set_plane_payload(dst_buf, 0, payload_size); |
| 2426 | v4l2_m2m_buf_done(dst_buf, state); |
| 2427 | v4l2_m2m_job_finish(jpeg->m2m_dev, curr_ctx->fh.m2m_ctx); |
| 2428 | |
| 2429 | curr_ctx->subsampling = |
| 2430 | exynos3250_jpeg_get_subsampling_mode(jpeg->regs); |
| 2431 | exit_unlock: |
| 2432 | spin_unlock(&jpeg->slock); |
| 2433 | return IRQ_HANDLED; |
| 2434 | } |
| 2435 | |
Jacek Anaszewski | 79a38a8 | 2014-04-10 04:32:14 -0300 | [diff] [blame] | 2436 | static void *jpeg_get_drv_data(struct device *dev); |
Jacek Anaszewski | 80529ae | 2013-12-18 11:04:44 -0300 | [diff] [blame] | 2437 | |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 2438 | /* |
| 2439 | * ============================================================================ |
| 2440 | * Driver basic infrastructure |
| 2441 | * ============================================================================ |
| 2442 | */ |
| 2443 | |
| 2444 | static int s5p_jpeg_probe(struct platform_device *pdev) |
| 2445 | { |
| 2446 | struct s5p_jpeg *jpeg; |
| 2447 | struct resource *res; |
| 2448 | int ret; |
| 2449 | |
| 2450 | /* JPEG IP abstraction struct */ |
Sachin Kamat | 5b58b95 | 2012-05-14 06:33:34 -0300 | [diff] [blame] | 2451 | jpeg = devm_kzalloc(&pdev->dev, sizeof(struct s5p_jpeg), GFP_KERNEL); |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 2452 | if (!jpeg) |
| 2453 | return -ENOMEM; |
| 2454 | |
Jacek Anaszewski | 79a38a8 | 2014-04-10 04:32:14 -0300 | [diff] [blame] | 2455 | jpeg->variant = jpeg_get_drv_data(&pdev->dev); |
Jacek Anaszewski | 80529ae | 2013-12-18 11:04:44 -0300 | [diff] [blame] | 2456 | |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 2457 | mutex_init(&jpeg->lock); |
Sylwester Nawrocki | 15f4bc3 | 2012-02-17 11:39:36 -0300 | [diff] [blame] | 2458 | spin_lock_init(&jpeg->slock); |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 2459 | jpeg->dev = &pdev->dev; |
| 2460 | |
| 2461 | /* memory-mapped registers */ |
| 2462 | res = platform_get_resource(pdev, IORESOURCE_MEM, 0); |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 2463 | |
Thierry Reding | f23999e | 2013-01-21 06:09:07 -0300 | [diff] [blame] | 2464 | jpeg->regs = devm_ioremap_resource(&pdev->dev, res); |
| 2465 | if (IS_ERR(jpeg->regs)) |
| 2466 | return PTR_ERR(jpeg->regs); |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 2467 | |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 2468 | /* interrupt service routine registration */ |
| 2469 | jpeg->irq = ret = platform_get_irq(pdev, 0); |
| 2470 | if (ret < 0) { |
| 2471 | dev_err(&pdev->dev, "cannot find IRQ\n"); |
Sachin Kamat | 5b58b95 | 2012-05-14 06:33:34 -0300 | [diff] [blame] | 2472 | return ret; |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 2473 | } |
| 2474 | |
Jacek Anaszewski | 80529ae | 2013-12-18 11:04:44 -0300 | [diff] [blame] | 2475 | ret = devm_request_irq(&pdev->dev, jpeg->irq, jpeg->variant->jpeg_irq, |
| 2476 | 0, dev_name(&pdev->dev), jpeg); |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 2477 | if (ret) { |
| 2478 | dev_err(&pdev->dev, "cannot claim IRQ %d\n", jpeg->irq); |
Sachin Kamat | 5b58b95 | 2012-05-14 06:33:34 -0300 | [diff] [blame] | 2479 | return ret; |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 2480 | } |
| 2481 | |
| 2482 | /* clocks */ |
| 2483 | jpeg->clk = clk_get(&pdev->dev, "jpeg"); |
| 2484 | if (IS_ERR(jpeg->clk)) { |
| 2485 | dev_err(&pdev->dev, "cannot get clock\n"); |
| 2486 | ret = PTR_ERR(jpeg->clk); |
Sachin Kamat | 5b58b95 | 2012-05-14 06:33:34 -0300 | [diff] [blame] | 2487 | return ret; |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 2488 | } |
| 2489 | dev_dbg(&pdev->dev, "clock source %p\n", jpeg->clk); |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 2490 | |
Jacek Anaszewski | 3246fda | 2014-07-11 12:19:42 -0300 | [diff] [blame] | 2491 | jpeg->sclk = clk_get(&pdev->dev, "sclk"); |
| 2492 | if (IS_ERR(jpeg->sclk)) |
| 2493 | dev_info(&pdev->dev, "sclk clock not available\n"); |
| 2494 | |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 2495 | /* v4l2 device */ |
| 2496 | ret = v4l2_device_register(&pdev->dev, &jpeg->v4l2_dev); |
| 2497 | if (ret) { |
| 2498 | dev_err(&pdev->dev, "Failed to register v4l2 device\n"); |
| 2499 | goto clk_get_rollback; |
| 2500 | } |
| 2501 | |
| 2502 | /* mem2mem device */ |
Jacek Anaszewski | bf689bb | 2014-04-10 04:32:13 -0300 | [diff] [blame] | 2503 | jpeg->m2m_dev = v4l2_m2m_init(jpeg->variant->m2m_ops); |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 2504 | if (IS_ERR(jpeg->m2m_dev)) { |
| 2505 | v4l2_err(&jpeg->v4l2_dev, "Failed to init mem2mem device\n"); |
| 2506 | ret = PTR_ERR(jpeg->m2m_dev); |
| 2507 | goto device_register_rollback; |
| 2508 | } |
| 2509 | |
| 2510 | jpeg->alloc_ctx = vb2_dma_contig_init_ctx(&pdev->dev); |
| 2511 | if (IS_ERR(jpeg->alloc_ctx)) { |
| 2512 | v4l2_err(&jpeg->v4l2_dev, "Failed to init memory allocator\n"); |
| 2513 | ret = PTR_ERR(jpeg->alloc_ctx); |
| 2514 | goto m2m_init_rollback; |
| 2515 | } |
| 2516 | |
| 2517 | /* JPEG encoder /dev/videoX node */ |
| 2518 | jpeg->vfd_encoder = video_device_alloc(); |
| 2519 | if (!jpeg->vfd_encoder) { |
| 2520 | v4l2_err(&jpeg->v4l2_dev, "Failed to allocate video device\n"); |
| 2521 | ret = -ENOMEM; |
| 2522 | goto vb2_allocator_rollback; |
| 2523 | } |
Seung-Woo Kim | baaf046 | 2013-10-10 04:45:56 -0300 | [diff] [blame] | 2524 | snprintf(jpeg->vfd_encoder->name, sizeof(jpeg->vfd_encoder->name), |
| 2525 | "%s-enc", S5P_JPEG_M2M_NAME); |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 2526 | jpeg->vfd_encoder->fops = &s5p_jpeg_fops; |
| 2527 | jpeg->vfd_encoder->ioctl_ops = &s5p_jpeg_ioctl_ops; |
| 2528 | jpeg->vfd_encoder->minor = -1; |
| 2529 | jpeg->vfd_encoder->release = video_device_release; |
| 2530 | jpeg->vfd_encoder->lock = &jpeg->lock; |
| 2531 | jpeg->vfd_encoder->v4l2_dev = &jpeg->v4l2_dev; |
Hans Verkuil | 954f340 | 2012-09-05 06:05:50 -0300 | [diff] [blame] | 2532 | jpeg->vfd_encoder->vfl_dir = VFL_DIR_M2M; |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 2533 | |
| 2534 | ret = video_register_device(jpeg->vfd_encoder, VFL_TYPE_GRABBER, -1); |
| 2535 | if (ret) { |
| 2536 | v4l2_err(&jpeg->v4l2_dev, "Failed to register video device\n"); |
| 2537 | goto enc_vdev_alloc_rollback; |
| 2538 | } |
| 2539 | |
| 2540 | video_set_drvdata(jpeg->vfd_encoder, jpeg); |
| 2541 | v4l2_info(&jpeg->v4l2_dev, |
| 2542 | "encoder device registered as /dev/video%d\n", |
| 2543 | jpeg->vfd_encoder->num); |
| 2544 | |
| 2545 | /* JPEG decoder /dev/videoX node */ |
| 2546 | jpeg->vfd_decoder = video_device_alloc(); |
| 2547 | if (!jpeg->vfd_decoder) { |
| 2548 | v4l2_err(&jpeg->v4l2_dev, "Failed to allocate video device\n"); |
| 2549 | ret = -ENOMEM; |
| 2550 | goto enc_vdev_register_rollback; |
| 2551 | } |
Seung-Woo Kim | baaf046 | 2013-10-10 04:45:56 -0300 | [diff] [blame] | 2552 | snprintf(jpeg->vfd_decoder->name, sizeof(jpeg->vfd_decoder->name), |
| 2553 | "%s-dec", S5P_JPEG_M2M_NAME); |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 2554 | jpeg->vfd_decoder->fops = &s5p_jpeg_fops; |
| 2555 | jpeg->vfd_decoder->ioctl_ops = &s5p_jpeg_ioctl_ops; |
| 2556 | jpeg->vfd_decoder->minor = -1; |
| 2557 | jpeg->vfd_decoder->release = video_device_release; |
| 2558 | jpeg->vfd_decoder->lock = &jpeg->lock; |
| 2559 | jpeg->vfd_decoder->v4l2_dev = &jpeg->v4l2_dev; |
Jacek Anaszewski | 7f7d8fe | 2013-09-11 06:17:45 -0300 | [diff] [blame] | 2560 | jpeg->vfd_decoder->vfl_dir = VFL_DIR_M2M; |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 2561 | |
| 2562 | ret = video_register_device(jpeg->vfd_decoder, VFL_TYPE_GRABBER, -1); |
| 2563 | if (ret) { |
| 2564 | v4l2_err(&jpeg->v4l2_dev, "Failed to register video device\n"); |
| 2565 | goto dec_vdev_alloc_rollback; |
| 2566 | } |
| 2567 | |
| 2568 | video_set_drvdata(jpeg->vfd_decoder, jpeg); |
| 2569 | v4l2_info(&jpeg->v4l2_dev, |
| 2570 | "decoder device registered as /dev/video%d\n", |
| 2571 | jpeg->vfd_decoder->num); |
| 2572 | |
| 2573 | /* final statements & power management */ |
| 2574 | platform_set_drvdata(pdev, jpeg); |
| 2575 | |
| 2576 | pm_runtime_enable(&pdev->dev); |
| 2577 | |
| 2578 | v4l2_info(&jpeg->v4l2_dev, "Samsung S5P JPEG codec\n"); |
| 2579 | |
| 2580 | return 0; |
| 2581 | |
| 2582 | dec_vdev_alloc_rollback: |
| 2583 | video_device_release(jpeg->vfd_decoder); |
| 2584 | |
| 2585 | enc_vdev_register_rollback: |
| 2586 | video_unregister_device(jpeg->vfd_encoder); |
| 2587 | |
| 2588 | enc_vdev_alloc_rollback: |
| 2589 | video_device_release(jpeg->vfd_encoder); |
| 2590 | |
| 2591 | vb2_allocator_rollback: |
| 2592 | vb2_dma_contig_cleanup_ctx(jpeg->alloc_ctx); |
| 2593 | |
| 2594 | m2m_init_rollback: |
| 2595 | v4l2_m2m_release(jpeg->m2m_dev); |
| 2596 | |
| 2597 | device_register_rollback: |
| 2598 | v4l2_device_unregister(&jpeg->v4l2_dev); |
| 2599 | |
| 2600 | clk_get_rollback: |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 2601 | clk_put(jpeg->clk); |
Jacek Anaszewski | 3246fda | 2014-07-11 12:19:42 -0300 | [diff] [blame] | 2602 | if (!IS_ERR(jpeg->sclk)) |
| 2603 | clk_put(jpeg->sclk); |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 2604 | |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 2605 | return ret; |
| 2606 | } |
| 2607 | |
| 2608 | static int s5p_jpeg_remove(struct platform_device *pdev) |
| 2609 | { |
| 2610 | struct s5p_jpeg *jpeg = platform_get_drvdata(pdev); |
| 2611 | |
| 2612 | pm_runtime_disable(jpeg->dev); |
| 2613 | |
| 2614 | video_unregister_device(jpeg->vfd_decoder); |
| 2615 | video_device_release(jpeg->vfd_decoder); |
| 2616 | video_unregister_device(jpeg->vfd_encoder); |
| 2617 | video_device_release(jpeg->vfd_encoder); |
| 2618 | vb2_dma_contig_cleanup_ctx(jpeg->alloc_ctx); |
| 2619 | v4l2_m2m_release(jpeg->m2m_dev); |
| 2620 | v4l2_device_unregister(&jpeg->v4l2_dev); |
| 2621 | |
Jacek Anaszewski | 3246fda | 2014-07-11 12:19:42 -0300 | [diff] [blame] | 2622 | if (!pm_runtime_status_suspended(&pdev->dev)) { |
Jacek Anaszewski | f134713 | 2013-11-25 06:58:13 -0300 | [diff] [blame] | 2623 | clk_disable_unprepare(jpeg->clk); |
Jacek Anaszewski | 3246fda | 2014-07-11 12:19:42 -0300 | [diff] [blame] | 2624 | if (!IS_ERR(jpeg->sclk)) |
| 2625 | clk_disable_unprepare(jpeg->sclk); |
| 2626 | } |
Jacek Anaszewski | f134713 | 2013-11-25 06:58:13 -0300 | [diff] [blame] | 2627 | |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 2628 | clk_put(jpeg->clk); |
Jacek Anaszewski | 3246fda | 2014-07-11 12:19:42 -0300 | [diff] [blame] | 2629 | if (!IS_ERR(jpeg->sclk)) |
| 2630 | clk_put(jpeg->sclk); |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 2631 | |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 2632 | return 0; |
| 2633 | } |
| 2634 | |
Rafael J. Wysocki | e243c7c | 2014-12-04 01:10:10 +0100 | [diff] [blame^] | 2635 | #ifdef CONFIG_PM |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 2636 | static int s5p_jpeg_runtime_suspend(struct device *dev) |
| 2637 | { |
Jacek Anaszewski | f134713 | 2013-11-25 06:58:13 -0300 | [diff] [blame] | 2638 | struct s5p_jpeg *jpeg = dev_get_drvdata(dev); |
| 2639 | |
| 2640 | clk_disable_unprepare(jpeg->clk); |
Jacek Anaszewski | 3246fda | 2014-07-11 12:19:42 -0300 | [diff] [blame] | 2641 | if (!IS_ERR(jpeg->sclk)) |
| 2642 | clk_disable_unprepare(jpeg->sclk); |
Jacek Anaszewski | f134713 | 2013-11-25 06:58:13 -0300 | [diff] [blame] | 2643 | |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 2644 | return 0; |
| 2645 | } |
| 2646 | |
| 2647 | static int s5p_jpeg_runtime_resume(struct device *dev) |
| 2648 | { |
| 2649 | struct s5p_jpeg *jpeg = dev_get_drvdata(dev); |
Jacek Anaszewski | b3c932a | 2013-11-25 06:58:14 -0300 | [diff] [blame] | 2650 | unsigned long flags; |
Jacek Anaszewski | f134713 | 2013-11-25 06:58:13 -0300 | [diff] [blame] | 2651 | int ret; |
| 2652 | |
| 2653 | ret = clk_prepare_enable(jpeg->clk); |
| 2654 | if (ret < 0) |
| 2655 | return ret; |
Jacek Anaszewski | 31dc0ac | 2013-11-25 06:58:12 -0300 | [diff] [blame] | 2656 | |
Jacek Anaszewski | 3246fda | 2014-07-11 12:19:42 -0300 | [diff] [blame] | 2657 | if (!IS_ERR(jpeg->sclk)) { |
| 2658 | ret = clk_prepare_enable(jpeg->sclk); |
| 2659 | if (ret < 0) |
| 2660 | return ret; |
| 2661 | } |
| 2662 | |
Jacek Anaszewski | b3c932a | 2013-11-25 06:58:14 -0300 | [diff] [blame] | 2663 | spin_lock_irqsave(&jpeg->slock, flags); |
| 2664 | |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 2665 | /* |
Jacek Anaszewski | 3246fda | 2014-07-11 12:19:42 -0300 | [diff] [blame] | 2666 | * JPEG IP allows storing two Huffman tables for each component. |
Jacek Anaszewski | 80529ae | 2013-12-18 11:04:44 -0300 | [diff] [blame] | 2667 | * We fill table 0 for each component and do this here only |
Jacek Anaszewski | 3246fda | 2014-07-11 12:19:42 -0300 | [diff] [blame] | 2668 | * for S5PC210 and Exynos3250 SoCs. Exynos4x12 SoC requires |
| 2669 | * programming its Huffman tables each time the encoding process |
| 2670 | * is initialized, and thus it is accomplished in the device_run |
| 2671 | * callback of m2m_ops. |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 2672 | */ |
Jacek Anaszewski | 3246fda | 2014-07-11 12:19:42 -0300 | [diff] [blame] | 2673 | if (jpeg->variant->version == SJPEG_S5P || |
| 2674 | jpeg->variant->version == SJPEG_EXYNOS3250) { |
Jacek Anaszewski | 80529ae | 2013-12-18 11:04:44 -0300 | [diff] [blame] | 2675 | s5p_jpeg_set_hdctbl(jpeg->regs); |
| 2676 | s5p_jpeg_set_hdctblg(jpeg->regs); |
| 2677 | s5p_jpeg_set_hactbl(jpeg->regs); |
| 2678 | s5p_jpeg_set_hactblg(jpeg->regs); |
| 2679 | } |
Jacek Anaszewski | 31dc0ac | 2013-11-25 06:58:12 -0300 | [diff] [blame] | 2680 | |
Jacek Anaszewski | b3c932a | 2013-11-25 06:58:14 -0300 | [diff] [blame] | 2681 | spin_unlock_irqrestore(&jpeg->slock, flags); |
| 2682 | |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 2683 | return 0; |
| 2684 | } |
Rafael J. Wysocki | e243c7c | 2014-12-04 01:10:10 +0100 | [diff] [blame^] | 2685 | #endif /* CONFIG_PM */ |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 2686 | |
Thierry Reding | de3767a | 2014-10-14 07:10:40 -0300 | [diff] [blame] | 2687 | #ifdef CONFIG_PM_SLEEP |
Jacek Anaszewski | f134713 | 2013-11-25 06:58:13 -0300 | [diff] [blame] | 2688 | static int s5p_jpeg_suspend(struct device *dev) |
| 2689 | { |
| 2690 | if (pm_runtime_suspended(dev)) |
| 2691 | return 0; |
| 2692 | |
| 2693 | return s5p_jpeg_runtime_suspend(dev); |
| 2694 | } |
| 2695 | |
| 2696 | static int s5p_jpeg_resume(struct device *dev) |
| 2697 | { |
| 2698 | if (pm_runtime_suspended(dev)) |
| 2699 | return 0; |
| 2700 | |
| 2701 | return s5p_jpeg_runtime_resume(dev); |
| 2702 | } |
Thierry Reding | de3767a | 2014-10-14 07:10:40 -0300 | [diff] [blame] | 2703 | #endif |
Jacek Anaszewski | f134713 | 2013-11-25 06:58:13 -0300 | [diff] [blame] | 2704 | |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 2705 | static const struct dev_pm_ops s5p_jpeg_pm_ops = { |
Jacek Anaszewski | f134713 | 2013-11-25 06:58:13 -0300 | [diff] [blame] | 2706 | SET_SYSTEM_SLEEP_PM_OPS(s5p_jpeg_suspend, s5p_jpeg_resume) |
| 2707 | 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] | 2708 | }; |
| 2709 | |
Jacek Anaszewski | 80529ae | 2013-12-18 11:04:44 -0300 | [diff] [blame] | 2710 | static struct s5p_jpeg_variant s5p_jpeg_drvdata = { |
| 2711 | .version = SJPEG_S5P, |
| 2712 | .jpeg_irq = s5p_jpeg_irq, |
Jacek Anaszewski | bf689bb | 2014-04-10 04:32:13 -0300 | [diff] [blame] | 2713 | .m2m_ops = &s5p_jpeg_m2m_ops, |
Jacek Anaszewski | b245168 | 2014-04-10 04:32:11 -0300 | [diff] [blame] | 2714 | .fmt_ver_flag = SJPEG_FMT_FLAG_S5P, |
Sylwester Nawrocki | f7074ab | 2013-08-18 16:14:27 -0300 | [diff] [blame] | 2715 | }; |
Jacek Anaszewski | 80529ae | 2013-12-18 11:04:44 -0300 | [diff] [blame] | 2716 | |
Jacek Anaszewski | 3246fda | 2014-07-11 12:19:42 -0300 | [diff] [blame] | 2717 | static struct s5p_jpeg_variant exynos3250_jpeg_drvdata = { |
| 2718 | .version = SJPEG_EXYNOS3250, |
| 2719 | .jpeg_irq = exynos3250_jpeg_irq, |
| 2720 | .m2m_ops = &exynos3250_jpeg_m2m_ops, |
| 2721 | .fmt_ver_flag = SJPEG_FMT_FLAG_EXYNOS3250, |
| 2722 | }; |
| 2723 | |
Jacek Anaszewski | 80529ae | 2013-12-18 11:04:44 -0300 | [diff] [blame] | 2724 | static struct s5p_jpeg_variant exynos4_jpeg_drvdata = { |
| 2725 | .version = SJPEG_EXYNOS4, |
| 2726 | .jpeg_irq = exynos4_jpeg_irq, |
Jacek Anaszewski | bf689bb | 2014-04-10 04:32:13 -0300 | [diff] [blame] | 2727 | .m2m_ops = &exynos4_jpeg_m2m_ops, |
Jacek Anaszewski | b245168 | 2014-04-10 04:32:11 -0300 | [diff] [blame] | 2728 | .fmt_ver_flag = SJPEG_FMT_FLAG_EXYNOS4, |
Jacek Anaszewski | 80529ae | 2013-12-18 11:04:44 -0300 | [diff] [blame] | 2729 | }; |
| 2730 | |
| 2731 | static const struct of_device_id samsung_jpeg_match[] = { |
| 2732 | { |
| 2733 | .compatible = "samsung,s5pv210-jpeg", |
| 2734 | .data = &s5p_jpeg_drvdata, |
| 2735 | }, { |
Jacek Anaszewski | 3246fda | 2014-07-11 12:19:42 -0300 | [diff] [blame] | 2736 | .compatible = "samsung,exynos3250-jpeg", |
| 2737 | .data = &exynos3250_jpeg_drvdata, |
| 2738 | }, { |
Jacek Anaszewski | 80529ae | 2013-12-18 11:04:44 -0300 | [diff] [blame] | 2739 | .compatible = "samsung,exynos4210-jpeg", |
Jacek Anaszewski | 3246fda | 2014-07-11 12:19:42 -0300 | [diff] [blame] | 2740 | .data = &exynos4_jpeg_drvdata, |
Jacek Anaszewski | 80529ae | 2013-12-18 11:04:44 -0300 | [diff] [blame] | 2741 | }, { |
| 2742 | .compatible = "samsung,exynos4212-jpeg", |
| 2743 | .data = &exynos4_jpeg_drvdata, |
| 2744 | }, |
| 2745 | {}, |
| 2746 | }; |
| 2747 | |
| 2748 | MODULE_DEVICE_TABLE(of, samsung_jpeg_match); |
| 2749 | |
Jacek Anaszewski | 79a38a8 | 2014-04-10 04:32:14 -0300 | [diff] [blame] | 2750 | static void *jpeg_get_drv_data(struct device *dev) |
Jacek Anaszewski | 80529ae | 2013-12-18 11:04:44 -0300 | [diff] [blame] | 2751 | { |
| 2752 | struct s5p_jpeg_variant *driver_data = NULL; |
| 2753 | const struct of_device_id *match; |
| 2754 | |
Jacek Anaszewski | 79a38a8 | 2014-04-10 04:32:14 -0300 | [diff] [blame] | 2755 | if (!IS_ENABLED(CONFIG_OF) || !dev->of_node) |
| 2756 | return &s5p_jpeg_drvdata; |
| 2757 | |
| 2758 | match = of_match_node(samsung_jpeg_match, dev->of_node); |
| 2759 | |
Jacek Anaszewski | 80529ae | 2013-12-18 11:04:44 -0300 | [diff] [blame] | 2760 | if (match) |
| 2761 | driver_data = (struct s5p_jpeg_variant *)match->data; |
| 2762 | |
| 2763 | return driver_data; |
| 2764 | } |
Sylwester Nawrocki | f7074ab | 2013-08-18 16:14:27 -0300 | [diff] [blame] | 2765 | |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 2766 | static struct platform_driver s5p_jpeg_driver = { |
| 2767 | .probe = s5p_jpeg_probe, |
| 2768 | .remove = s5p_jpeg_remove, |
| 2769 | .driver = { |
Jacek Anaszewski | 80529ae | 2013-12-18 11:04:44 -0300 | [diff] [blame] | 2770 | .of_match_table = of_match_ptr(samsung_jpeg_match), |
| 2771 | .owner = THIS_MODULE, |
| 2772 | .name = S5P_JPEG_M2M_NAME, |
| 2773 | .pm = &s5p_jpeg_pm_ops, |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 2774 | }, |
| 2775 | }; |
| 2776 | |
Sachin Kamat | 87e9429 | 2012-07-03 05:54:33 -0300 | [diff] [blame] | 2777 | module_platform_driver(s5p_jpeg_driver); |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 2778 | |
| 2779 | MODULE_AUTHOR("Andrzej Pietrasiewicz <andrzej.p@samsung.com>"); |
Jacek Anaszewski | 80529ae | 2013-12-18 11:04:44 -0300 | [diff] [blame] | 2780 | MODULE_AUTHOR("Jacek Anaszewski <j.anaszewski@samsung.com>"); |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 2781 | MODULE_DESCRIPTION("Samsung JPEG codec driver"); |
| 2782 | MODULE_LICENSE("GPL"); |