Thomas Gleixner | d2912cb | 2019-06-04 10:11:33 +0200 | [diff] [blame] | 1 | // SPDX-License-Identifier: GPL-2.0-only |
Mauro Carvalho Chehab | 2c3fb08 | 2012-08-14 17:31:16 -0300 | [diff] [blame] | 2 | /* linux/drivers/media/platform/s5p-jpeg/jpeg-core.c |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 3 | * |
Jacek Anaszewski | 3246fda | 2014-07-11 12:19:42 -0300 | [diff] [blame] | 4 | * Copyright (c) 2011-2014 Samsung Electronics Co., Ltd. |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 5 | * http://www.samsung.com |
| 6 | * |
Andrzej Pietrasiewicz | 66e988e | 2018-12-13 08:31:07 -0500 | [diff] [blame] | 7 | * Author: Andrzej Pietrasiewicz <andrzejtp2010@gmail.com> |
Jacek Anaszewski | 80529ae5 | 2013-12-18 11:04:44 -0300 | [diff] [blame] | 8 | * Author: Jacek Anaszewski <j.anaszewski@samsung.com> |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 9 | */ |
| 10 | |
| 11 | #include <linux/clk.h> |
| 12 | #include <linux/err.h> |
| 13 | #include <linux/gfp.h> |
| 14 | #include <linux/interrupt.h> |
| 15 | #include <linux/io.h> |
| 16 | #include <linux/kernel.h> |
| 17 | #include <linux/module.h> |
Sylwester Nawrocki | f7074ab | 2013-08-18 16:14:27 -0300 | [diff] [blame] | 18 | #include <linux/of.h> |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 19 | #include <linux/platform_device.h> |
| 20 | #include <linux/pm_runtime.h> |
| 21 | #include <linux/slab.h> |
| 22 | #include <linux/spinlock.h> |
| 23 | #include <linux/string.h> |
henryhsu | 1c84e7f | 2017-06-30 10:15:46 -0400 | [diff] [blame] | 24 | #include <media/v4l2-event.h> |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 25 | #include <media/v4l2-mem2mem.h> |
| 26 | #include <media/v4l2-ioctl.h> |
Benoit Parrot | 030b161 | 2020-05-28 15:26:05 +0200 | [diff] [blame] | 27 | #include <media/v4l2-rect.h> |
Junghak Sung | c139990 | 2015-09-22 10:30:29 -0300 | [diff] [blame] | 28 | #include <media/videobuf2-v4l2.h> |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 29 | #include <media/videobuf2-dma-contig.h> |
| 30 | |
| 31 | #include "jpeg-core.h" |
Jacek Anaszewski | 9f7b62d | 2013-12-18 09:32:50 -0300 | [diff] [blame] | 32 | #include "jpeg-hw-s5p.h" |
Jacek Anaszewski | 80529ae5 | 2013-12-18 11:04:44 -0300 | [diff] [blame] | 33 | #include "jpeg-hw-exynos4.h" |
Jacek Anaszewski | 3246fda | 2014-07-11 12:19:42 -0300 | [diff] [blame] | 34 | #include "jpeg-hw-exynos3250.h" |
Jacek Anaszewski | 80529ae5 | 2013-12-18 11:04:44 -0300 | [diff] [blame] | 35 | #include "jpeg-regs.h" |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 36 | |
Jacek Anaszewski | 80529ae5 | 2013-12-18 11:04:44 -0300 | [diff] [blame] | 37 | static struct s5p_jpeg_fmt sjpeg_formats[] = { |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 38 | { |
Andrzej Pietrasiewicz | fb6f8c0 | 2012-02-20 07:32:25 -0300 | [diff] [blame] | 39 | .fourcc = V4L2_PIX_FMT_JPEG, |
Jacek Anaszewski | 80529ae5 | 2013-12-18 11:04:44 -0300 | [diff] [blame] | 40 | .flags = SJPEG_FMT_FLAG_ENC_CAPTURE | |
| 41 | SJPEG_FMT_FLAG_DEC_OUTPUT | |
| 42 | SJPEG_FMT_FLAG_S5P | |
Jacek Anaszewski | 3246fda | 2014-07-11 12:19:42 -0300 | [diff] [blame] | 43 | SJPEG_FMT_FLAG_EXYNOS3250 | |
Jacek Anaszewski | 80529ae5 | 2013-12-18 11:04:44 -0300 | [diff] [blame] | 44 | SJPEG_FMT_FLAG_EXYNOS4, |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 45 | }, |
| 46 | { |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 47 | .fourcc = V4L2_PIX_FMT_YUYV, |
| 48 | .depth = 16, |
| 49 | .colplanes = 1, |
| 50 | .h_align = 4, |
| 51 | .v_align = 3, |
Jacek Anaszewski | 80529ae5 | 2013-12-18 11:04:44 -0300 | [diff] [blame] | 52 | .flags = SJPEG_FMT_FLAG_ENC_OUTPUT | |
| 53 | SJPEG_FMT_FLAG_DEC_CAPTURE | |
| 54 | SJPEG_FMT_FLAG_S5P | |
| 55 | SJPEG_FMT_NON_RGB, |
| 56 | .subsampling = V4L2_JPEG_CHROMA_SUBSAMPLING_422, |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 57 | }, |
| 58 | { |
Jacek Anaszewski | 80529ae5 | 2013-12-18 11:04:44 -0300 | [diff] [blame] | 59 | .fourcc = V4L2_PIX_FMT_YUYV, |
| 60 | .depth = 16, |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 61 | .colplanes = 1, |
Jacek Anaszewski | 80529ae5 | 2013-12-18 11:04:44 -0300 | [diff] [blame] | 62 | .h_align = 1, |
| 63 | .v_align = 0, |
| 64 | .flags = SJPEG_FMT_FLAG_ENC_OUTPUT | |
| 65 | SJPEG_FMT_FLAG_DEC_CAPTURE | |
| 66 | SJPEG_FMT_FLAG_EXYNOS4 | |
| 67 | SJPEG_FMT_NON_RGB, |
| 68 | .subsampling = V4L2_JPEG_CHROMA_SUBSAMPLING_422, |
| 69 | }, |
| 70 | { |
Jacek Anaszewski | 3246fda | 2014-07-11 12:19:42 -0300 | [diff] [blame] | 71 | .fourcc = V4L2_PIX_FMT_YUYV, |
| 72 | .depth = 16, |
| 73 | .colplanes = 1, |
| 74 | .h_align = 2, |
| 75 | .v_align = 0, |
| 76 | .flags = SJPEG_FMT_FLAG_ENC_OUTPUT | |
| 77 | SJPEG_FMT_FLAG_DEC_CAPTURE | |
| 78 | SJPEG_FMT_FLAG_EXYNOS3250 | |
| 79 | SJPEG_FMT_NON_RGB, |
| 80 | .subsampling = V4L2_JPEG_CHROMA_SUBSAMPLING_422, |
| 81 | }, |
| 82 | { |
Jacek Anaszewski | 80529ae5 | 2013-12-18 11:04:44 -0300 | [diff] [blame] | 83 | .fourcc = V4L2_PIX_FMT_YVYU, |
| 84 | .depth = 16, |
| 85 | .colplanes = 1, |
| 86 | .h_align = 1, |
| 87 | .v_align = 0, |
| 88 | .flags = SJPEG_FMT_FLAG_ENC_OUTPUT | |
| 89 | SJPEG_FMT_FLAG_DEC_CAPTURE | |
| 90 | SJPEG_FMT_FLAG_EXYNOS4 | |
| 91 | SJPEG_FMT_NON_RGB, |
| 92 | .subsampling = V4L2_JPEG_CHROMA_SUBSAMPLING_422, |
| 93 | }, |
| 94 | { |
Jacek Anaszewski | 3246fda | 2014-07-11 12:19:42 -0300 | [diff] [blame] | 95 | .fourcc = V4L2_PIX_FMT_YVYU, |
| 96 | .depth = 16, |
| 97 | .colplanes = 1, |
| 98 | .h_align = 2, |
| 99 | .v_align = 0, |
| 100 | .flags = SJPEG_FMT_FLAG_ENC_OUTPUT | |
| 101 | SJPEG_FMT_FLAG_DEC_CAPTURE | |
| 102 | SJPEG_FMT_FLAG_EXYNOS3250 | |
| 103 | SJPEG_FMT_NON_RGB, |
| 104 | .subsampling = V4L2_JPEG_CHROMA_SUBSAMPLING_422, |
| 105 | }, |
| 106 | { |
Jacek Anaszewski | 3246fda | 2014-07-11 12:19:42 -0300 | [diff] [blame] | 107 | .fourcc = V4L2_PIX_FMT_UYVY, |
| 108 | .depth = 16, |
| 109 | .colplanes = 1, |
| 110 | .h_align = 2, |
| 111 | .v_align = 0, |
| 112 | .flags = SJPEG_FMT_FLAG_ENC_OUTPUT | |
| 113 | SJPEG_FMT_FLAG_DEC_CAPTURE | |
| 114 | SJPEG_FMT_FLAG_EXYNOS3250 | |
| 115 | SJPEG_FMT_NON_RGB, |
| 116 | .subsampling = V4L2_JPEG_CHROMA_SUBSAMPLING_422, |
| 117 | }, |
| 118 | { |
Jacek Anaszewski | 3246fda | 2014-07-11 12:19:42 -0300 | [diff] [blame] | 119 | .fourcc = V4L2_PIX_FMT_VYUY, |
| 120 | .depth = 16, |
| 121 | .colplanes = 1, |
| 122 | .h_align = 2, |
| 123 | .v_align = 0, |
| 124 | .flags = SJPEG_FMT_FLAG_ENC_OUTPUT | |
| 125 | SJPEG_FMT_FLAG_DEC_CAPTURE | |
| 126 | SJPEG_FMT_FLAG_EXYNOS3250 | |
| 127 | SJPEG_FMT_NON_RGB, |
| 128 | .subsampling = V4L2_JPEG_CHROMA_SUBSAMPLING_422, |
| 129 | }, |
| 130 | { |
Jacek Anaszewski | 80529ae5 | 2013-12-18 11:04:44 -0300 | [diff] [blame] | 131 | .fourcc = V4L2_PIX_FMT_RGB565, |
| 132 | .depth = 16, |
| 133 | .colplanes = 1, |
| 134 | .h_align = 0, |
| 135 | .v_align = 0, |
| 136 | .flags = SJPEG_FMT_FLAG_ENC_OUTPUT | |
| 137 | SJPEG_FMT_FLAG_DEC_CAPTURE | |
| 138 | SJPEG_FMT_FLAG_EXYNOS4 | |
| 139 | SJPEG_FMT_RGB, |
| 140 | .subsampling = V4L2_JPEG_CHROMA_SUBSAMPLING_444, |
| 141 | }, |
| 142 | { |
Jacek Anaszewski | 80529ae5 | 2013-12-18 11:04:44 -0300 | [diff] [blame] | 143 | .fourcc = V4L2_PIX_FMT_RGB565, |
| 144 | .depth = 16, |
| 145 | .colplanes = 1, |
Jacek Anaszewski | 3246fda | 2014-07-11 12:19:42 -0300 | [diff] [blame] | 146 | .h_align = 2, |
| 147 | .v_align = 0, |
| 148 | .flags = SJPEG_FMT_FLAG_ENC_OUTPUT | |
| 149 | SJPEG_FMT_FLAG_DEC_CAPTURE | |
| 150 | SJPEG_FMT_FLAG_EXYNOS3250 | |
| 151 | SJPEG_FMT_RGB, |
| 152 | .subsampling = V4L2_JPEG_CHROMA_SUBSAMPLING_444, |
| 153 | }, |
| 154 | { |
Jacek Anaszewski | 3246fda | 2014-07-11 12:19:42 -0300 | [diff] [blame] | 155 | .fourcc = V4L2_PIX_FMT_RGB565X, |
| 156 | .depth = 16, |
| 157 | .colplanes = 1, |
| 158 | .h_align = 2, |
| 159 | .v_align = 0, |
| 160 | .flags = SJPEG_FMT_FLAG_ENC_OUTPUT | |
| 161 | SJPEG_FMT_FLAG_DEC_CAPTURE | |
| 162 | SJPEG_FMT_FLAG_EXYNOS3250 | |
| 163 | SJPEG_FMT_RGB, |
| 164 | .subsampling = V4L2_JPEG_CHROMA_SUBSAMPLING_444, |
| 165 | }, |
| 166 | { |
Jacek Anaszewski | 3246fda | 2014-07-11 12:19:42 -0300 | [diff] [blame] | 167 | .fourcc = V4L2_PIX_FMT_RGB565, |
| 168 | .depth = 16, |
| 169 | .colplanes = 1, |
Jacek Anaszewski | 80529ae5 | 2013-12-18 11:04:44 -0300 | [diff] [blame] | 170 | .h_align = 0, |
| 171 | .v_align = 0, |
| 172 | .flags = SJPEG_FMT_FLAG_ENC_OUTPUT | |
| 173 | SJPEG_FMT_FLAG_S5P | |
| 174 | SJPEG_FMT_RGB, |
| 175 | .subsampling = V4L2_JPEG_CHROMA_SUBSAMPLING_444, |
| 176 | }, |
| 177 | { |
Jacek Anaszewski | 80529ae5 | 2013-12-18 11:04:44 -0300 | [diff] [blame] | 178 | .fourcc = V4L2_PIX_FMT_RGB32, |
| 179 | .depth = 32, |
| 180 | .colplanes = 1, |
| 181 | .h_align = 0, |
| 182 | .v_align = 0, |
| 183 | .flags = SJPEG_FMT_FLAG_ENC_OUTPUT | |
| 184 | SJPEG_FMT_FLAG_DEC_CAPTURE | |
| 185 | SJPEG_FMT_FLAG_EXYNOS4 | |
| 186 | SJPEG_FMT_RGB, |
| 187 | .subsampling = V4L2_JPEG_CHROMA_SUBSAMPLING_444, |
| 188 | }, |
| 189 | { |
Jacek Anaszewski | 3246fda | 2014-07-11 12:19:42 -0300 | [diff] [blame] | 190 | .fourcc = V4L2_PIX_FMT_RGB32, |
| 191 | .depth = 32, |
| 192 | .colplanes = 1, |
| 193 | .h_align = 2, |
| 194 | .v_align = 0, |
| 195 | .flags = SJPEG_FMT_FLAG_ENC_OUTPUT | |
| 196 | SJPEG_FMT_FLAG_DEC_CAPTURE | |
| 197 | SJPEG_FMT_FLAG_EXYNOS3250 | |
| 198 | SJPEG_FMT_RGB, |
| 199 | .subsampling = V4L2_JPEG_CHROMA_SUBSAMPLING_444, |
| 200 | }, |
| 201 | { |
Jacek Anaszewski | 80529ae5 | 2013-12-18 11:04:44 -0300 | [diff] [blame] | 202 | .fourcc = V4L2_PIX_FMT_NV24, |
| 203 | .depth = 24, |
| 204 | .colplanes = 2, |
| 205 | .h_align = 0, |
| 206 | .v_align = 0, |
| 207 | .flags = SJPEG_FMT_FLAG_ENC_OUTPUT | |
| 208 | SJPEG_FMT_FLAG_DEC_CAPTURE | |
| 209 | SJPEG_FMT_FLAG_EXYNOS4 | |
| 210 | SJPEG_FMT_NON_RGB, |
| 211 | .subsampling = V4L2_JPEG_CHROMA_SUBSAMPLING_444, |
| 212 | }, |
| 213 | { |
Jacek Anaszewski | 80529ae5 | 2013-12-18 11:04:44 -0300 | [diff] [blame] | 214 | .fourcc = V4L2_PIX_FMT_NV42, |
| 215 | .depth = 24, |
| 216 | .colplanes = 2, |
| 217 | .h_align = 0, |
| 218 | .v_align = 0, |
| 219 | .flags = SJPEG_FMT_FLAG_ENC_OUTPUT | |
| 220 | SJPEG_FMT_FLAG_DEC_CAPTURE | |
| 221 | SJPEG_FMT_FLAG_EXYNOS4 | |
| 222 | SJPEG_FMT_NON_RGB, |
| 223 | .subsampling = V4L2_JPEG_CHROMA_SUBSAMPLING_444, |
| 224 | }, |
| 225 | { |
Jacek Anaszewski | 80529ae5 | 2013-12-18 11:04:44 -0300 | [diff] [blame] | 226 | .fourcc = V4L2_PIX_FMT_NV61, |
| 227 | .depth = 16, |
| 228 | .colplanes = 2, |
| 229 | .h_align = 1, |
| 230 | .v_align = 0, |
| 231 | .flags = SJPEG_FMT_FLAG_ENC_OUTPUT | |
| 232 | SJPEG_FMT_FLAG_DEC_CAPTURE | |
| 233 | SJPEG_FMT_FLAG_EXYNOS4 | |
| 234 | SJPEG_FMT_NON_RGB, |
| 235 | .subsampling = V4L2_JPEG_CHROMA_SUBSAMPLING_422, |
| 236 | }, |
| 237 | { |
Jacek Anaszewski | 80529ae5 | 2013-12-18 11:04:44 -0300 | [diff] [blame] | 238 | .fourcc = V4L2_PIX_FMT_NV16, |
| 239 | .depth = 16, |
| 240 | .colplanes = 2, |
| 241 | .h_align = 1, |
| 242 | .v_align = 0, |
| 243 | .flags = SJPEG_FMT_FLAG_ENC_OUTPUT | |
| 244 | SJPEG_FMT_FLAG_DEC_CAPTURE | |
| 245 | SJPEG_FMT_FLAG_EXYNOS4 | |
| 246 | SJPEG_FMT_NON_RGB, |
| 247 | .subsampling = V4L2_JPEG_CHROMA_SUBSAMPLING_422, |
| 248 | }, |
| 249 | { |
Jacek Anaszewski | 80529ae5 | 2013-12-18 11:04:44 -0300 | [diff] [blame] | 250 | .fourcc = V4L2_PIX_FMT_NV12, |
Jacek Anaszewski | a62cffe | 2014-01-16 08:26:33 -0300 | [diff] [blame] | 251 | .depth = 12, |
Jacek Anaszewski | 80529ae5 | 2013-12-18 11:04:44 -0300 | [diff] [blame] | 252 | .colplanes = 2, |
| 253 | .h_align = 1, |
| 254 | .v_align = 1, |
| 255 | .flags = SJPEG_FMT_FLAG_ENC_OUTPUT | |
| 256 | SJPEG_FMT_FLAG_DEC_CAPTURE | |
| 257 | SJPEG_FMT_FLAG_EXYNOS4 | |
| 258 | SJPEG_FMT_NON_RGB, |
| 259 | .subsampling = V4L2_JPEG_CHROMA_SUBSAMPLING_420, |
| 260 | }, |
| 261 | { |
Jacek Anaszewski | 80529ae5 | 2013-12-18 11:04:44 -0300 | [diff] [blame] | 262 | .fourcc = V4L2_PIX_FMT_NV12, |
Jacek Anaszewski | a62cffe | 2014-01-16 08:26:33 -0300 | [diff] [blame] | 263 | .depth = 12, |
| 264 | .colplanes = 2, |
Jacek Anaszewski | 3246fda | 2014-07-11 12:19:42 -0300 | [diff] [blame] | 265 | .h_align = 3, |
| 266 | .v_align = 3, |
| 267 | .flags = SJPEG_FMT_FLAG_ENC_OUTPUT | |
| 268 | SJPEG_FMT_FLAG_DEC_CAPTURE | |
| 269 | SJPEG_FMT_FLAG_EXYNOS3250 | |
| 270 | SJPEG_FMT_NON_RGB, |
| 271 | .subsampling = V4L2_JPEG_CHROMA_SUBSAMPLING_420, |
| 272 | }, |
| 273 | { |
Jacek Anaszewski | 3246fda | 2014-07-11 12:19:42 -0300 | [diff] [blame] | 274 | .fourcc = V4L2_PIX_FMT_NV12, |
| 275 | .depth = 12, |
| 276 | .colplanes = 2, |
Jacek Anaszewski | 80529ae5 | 2013-12-18 11:04:44 -0300 | [diff] [blame] | 277 | .h_align = 4, |
Jacek Anaszewski | a62cffe | 2014-01-16 08:26:33 -0300 | [diff] [blame] | 278 | .v_align = 4, |
Jacek Anaszewski | 3246fda | 2014-07-11 12:19:42 -0300 | [diff] [blame] | 279 | .flags = SJPEG_FMT_FLAG_ENC_OUTPUT | |
| 280 | SJPEG_FMT_FLAG_DEC_CAPTURE | |
Jacek Anaszewski | 80529ae5 | 2013-12-18 11:04:44 -0300 | [diff] [blame] | 281 | SJPEG_FMT_FLAG_S5P | |
| 282 | SJPEG_FMT_NON_RGB, |
| 283 | .subsampling = V4L2_JPEG_CHROMA_SUBSAMPLING_420, |
| 284 | }, |
| 285 | { |
Jacek Anaszewski | 80529ae5 | 2013-12-18 11:04:44 -0300 | [diff] [blame] | 286 | .fourcc = V4L2_PIX_FMT_NV21, |
| 287 | .depth = 12, |
| 288 | .colplanes = 2, |
Jacek Anaszewski | 3246fda | 2014-07-11 12:19:42 -0300 | [diff] [blame] | 289 | .h_align = 3, |
| 290 | .v_align = 3, |
| 291 | .flags = SJPEG_FMT_FLAG_ENC_OUTPUT | |
| 292 | SJPEG_FMT_FLAG_DEC_CAPTURE | |
| 293 | SJPEG_FMT_FLAG_EXYNOS3250 | |
| 294 | SJPEG_FMT_NON_RGB, |
| 295 | .subsampling = V4L2_JPEG_CHROMA_SUBSAMPLING_420, |
| 296 | }, |
| 297 | { |
Jacek Anaszewski | 3246fda | 2014-07-11 12:19:42 -0300 | [diff] [blame] | 298 | .fourcc = V4L2_PIX_FMT_NV21, |
| 299 | .depth = 12, |
| 300 | .colplanes = 2, |
Jacek Anaszewski | 80529ae5 | 2013-12-18 11:04:44 -0300 | [diff] [blame] | 301 | .h_align = 1, |
| 302 | .v_align = 1, |
| 303 | .flags = SJPEG_FMT_FLAG_ENC_OUTPUT | |
| 304 | SJPEG_FMT_FLAG_DEC_CAPTURE | |
Jacek Anaszewski | 3246fda | 2014-07-11 12:19:42 -0300 | [diff] [blame] | 305 | SJPEG_FMT_FLAG_EXYNOS3250 | |
Jacek Anaszewski | 80529ae5 | 2013-12-18 11:04:44 -0300 | [diff] [blame] | 306 | SJPEG_FMT_FLAG_EXYNOS4 | |
| 307 | SJPEG_FMT_NON_RGB, |
| 308 | .subsampling = V4L2_JPEG_CHROMA_SUBSAMPLING_420, |
| 309 | }, |
| 310 | { |
Jacek Anaszewski | 80529ae5 | 2013-12-18 11:04:44 -0300 | [diff] [blame] | 311 | .fourcc = V4L2_PIX_FMT_YUV420, |
| 312 | .depth = 12, |
| 313 | .colplanes = 3, |
| 314 | .h_align = 1, |
| 315 | .v_align = 1, |
| 316 | .flags = SJPEG_FMT_FLAG_ENC_OUTPUT | |
| 317 | SJPEG_FMT_FLAG_DEC_CAPTURE | |
| 318 | SJPEG_FMT_FLAG_EXYNOS4 | |
| 319 | SJPEG_FMT_NON_RGB, |
| 320 | .subsampling = V4L2_JPEG_CHROMA_SUBSAMPLING_420, |
| 321 | }, |
| 322 | { |
Jacek Anaszewski | 3246fda | 2014-07-11 12:19:42 -0300 | [diff] [blame] | 323 | .fourcc = V4L2_PIX_FMT_YUV420, |
| 324 | .depth = 12, |
| 325 | .colplanes = 3, |
| 326 | .h_align = 4, |
| 327 | .v_align = 4, |
| 328 | .flags = SJPEG_FMT_FLAG_ENC_OUTPUT | |
| 329 | SJPEG_FMT_FLAG_DEC_CAPTURE | |
| 330 | SJPEG_FMT_FLAG_EXYNOS3250 | |
| 331 | SJPEG_FMT_NON_RGB, |
| 332 | .subsampling = V4L2_JPEG_CHROMA_SUBSAMPLING_420, |
| 333 | }, |
| 334 | { |
Jacek Anaszewski | 80529ae5 | 2013-12-18 11:04:44 -0300 | [diff] [blame] | 335 | .fourcc = V4L2_PIX_FMT_GREY, |
| 336 | .depth = 8, |
| 337 | .colplanes = 1, |
| 338 | .flags = SJPEG_FMT_FLAG_ENC_OUTPUT | |
| 339 | SJPEG_FMT_FLAG_DEC_CAPTURE | |
| 340 | SJPEG_FMT_FLAG_EXYNOS4 | |
| 341 | SJPEG_FMT_NON_RGB, |
| 342 | .subsampling = V4L2_JPEG_CHROMA_SUBSAMPLING_GRAY, |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 343 | }, |
| 344 | }; |
Jacek Anaszewski | 80529ae5 | 2013-12-18 11:04:44 -0300 | [diff] [blame] | 345 | #define SJPEG_NUM_FORMATS ARRAY_SIZE(sjpeg_formats) |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 346 | |
| 347 | static const unsigned char qtbl_luminance[4][64] = { |
Jacek Anaszewski | 78e5a3c | 2013-11-25 06:58:08 -0300 | [diff] [blame] | 348 | {/*level 0 - high compression quality */ |
| 349 | 20, 16, 25, 39, 50, 46, 62, 68, |
| 350 | 16, 18, 23, 38, 38, 53, 65, 68, |
| 351 | 25, 23, 31, 38, 53, 65, 68, 68, |
| 352 | 39, 38, 38, 53, 65, 68, 68, 68, |
| 353 | 50, 38, 53, 65, 68, 68, 68, 68, |
| 354 | 46, 53, 65, 68, 68, 68, 68, 68, |
| 355 | 62, 65, 68, 68, 68, 68, 68, 68, |
| 356 | 68, 68, 68, 68, 68, 68, 68, 68 |
| 357 | }, |
| 358 | {/* level 1 */ |
| 359 | 16, 11, 11, 16, 23, 27, 31, 30, |
| 360 | 11, 12, 12, 15, 20, 23, 23, 30, |
| 361 | 11, 12, 13, 16, 23, 26, 35, 47, |
| 362 | 16, 15, 16, 23, 26, 37, 47, 64, |
| 363 | 23, 20, 23, 26, 39, 51, 64, 64, |
| 364 | 27, 23, 26, 37, 51, 64, 64, 64, |
| 365 | 31, 23, 35, 47, 64, 64, 64, 64, |
| 366 | 30, 30, 47, 64, 64, 64, 64, 64 |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 367 | }, |
| 368 | {/* level 2 */ |
| 369 | 12, 8, 8, 12, 17, 21, 24, 23, |
| 370 | 8, 9, 9, 11, 15, 19, 18, 23, |
| 371 | 8, 9, 10, 12, 19, 20, 27, 36, |
| 372 | 12, 11, 12, 21, 20, 28, 36, 53, |
| 373 | 17, 15, 19, 20, 30, 39, 51, 59, |
| 374 | 21, 19, 20, 28, 39, 51, 59, 59, |
| 375 | 24, 18, 27, 36, 51, 59, 59, 59, |
| 376 | 23, 23, 36, 53, 59, 59, 59, 59 |
| 377 | }, |
Jacek Anaszewski | 78e5a3c | 2013-11-25 06:58:08 -0300 | [diff] [blame] | 378 | {/* level 3 - low compression quality */ |
| 379 | 8, 6, 6, 8, 12, 14, 16, 17, |
| 380 | 6, 6, 6, 8, 10, 13, 12, 15, |
| 381 | 6, 6, 7, 8, 13, 14, 18, 24, |
| 382 | 8, 8, 8, 14, 13, 19, 24, 35, |
| 383 | 12, 10, 13, 13, 20, 26, 34, 39, |
| 384 | 14, 13, 14, 19, 26, 34, 39, 39, |
| 385 | 16, 12, 18, 24, 34, 39, 39, 39, |
| 386 | 17, 15, 24, 35, 39, 39, 39, 39 |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 387 | } |
| 388 | }; |
| 389 | |
| 390 | static const unsigned char qtbl_chrominance[4][64] = { |
Jacek Anaszewski | 78e5a3c | 2013-11-25 06:58:08 -0300 | [diff] [blame] | 391 | {/*level 0 - high compression quality */ |
| 392 | 21, 25, 32, 38, 54, 68, 68, 68, |
| 393 | 25, 28, 24, 38, 54, 68, 68, 68, |
| 394 | 32, 24, 32, 43, 66, 68, 68, 68, |
| 395 | 38, 38, 43, 53, 68, 68, 68, 68, |
| 396 | 54, 54, 66, 68, 68, 68, 68, 68, |
| 397 | 68, 68, 68, 68, 68, 68, 68, 68, |
| 398 | 68, 68, 68, 68, 68, 68, 68, 68, |
| 399 | 68, 68, 68, 68, 68, 68, 68, 68 |
| 400 | }, |
| 401 | {/* level 1 */ |
| 402 | 17, 15, 17, 21, 20, 26, 38, 48, |
| 403 | 15, 19, 18, 17, 20, 26, 35, 43, |
| 404 | 17, 18, 20, 22, 26, 30, 46, 53, |
| 405 | 21, 17, 22, 28, 30, 39, 53, 64, |
| 406 | 20, 20, 26, 30, 39, 48, 64, 64, |
| 407 | 26, 26, 30, 39, 48, 63, 64, 64, |
| 408 | 38, 35, 46, 53, 64, 64, 64, 64, |
| 409 | 48, 43, 53, 64, 64, 64, 64, 64 |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 410 | }, |
| 411 | {/* level 2 */ |
| 412 | 13, 11, 13, 16, 20, 20, 29, 37, |
| 413 | 11, 14, 14, 14, 16, 20, 26, 32, |
| 414 | 13, 14, 15, 17, 20, 23, 35, 40, |
| 415 | 16, 14, 17, 21, 23, 30, 40, 50, |
| 416 | 20, 16, 20, 23, 30, 37, 50, 59, |
| 417 | 20, 20, 23, 30, 37, 48, 59, 59, |
| 418 | 29, 26, 35, 40, 50, 59, 59, 59, |
| 419 | 37, 32, 40, 50, 59, 59, 59, 59 |
| 420 | }, |
Jacek Anaszewski | 78e5a3c | 2013-11-25 06:58:08 -0300 | [diff] [blame] | 421 | {/* level 3 - low compression quality */ |
| 422 | 9, 8, 9, 11, 14, 17, 19, 24, |
| 423 | 8, 10, 9, 11, 14, 13, 17, 22, |
| 424 | 9, 9, 13, 14, 13, 15, 23, 26, |
| 425 | 11, 11, 14, 14, 15, 20, 26, 33, |
| 426 | 14, 14, 13, 15, 20, 24, 33, 39, |
| 427 | 17, 13, 15, 20, 24, 32, 39, 39, |
| 428 | 19, 17, 23, 26, 33, 39, 39, 39, |
| 429 | 24, 22, 26, 33, 39, 39, 39, 39 |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 430 | } |
| 431 | }; |
| 432 | |
| 433 | static const unsigned char hdctbl0[16] = { |
| 434 | 0, 1, 5, 1, 1, 1, 1, 1, 1, 0, 0, 0, 0, 0, 0, 0 |
| 435 | }; |
| 436 | |
| 437 | static const unsigned char hdctblg0[12] = { |
| 438 | 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 0xa, 0xb |
| 439 | }; |
| 440 | static const unsigned char hactbl0[16] = { |
| 441 | 0, 2, 1, 3, 3, 2, 4, 3, 5, 5, 4, 4, 0, 0, 1, 0x7d |
| 442 | }; |
| 443 | static const unsigned char hactblg0[162] = { |
| 444 | 0x01, 0x02, 0x03, 0x00, 0x04, 0x11, 0x05, 0x12, |
| 445 | 0x21, 0x31, 0x41, 0x06, 0x13, 0x51, 0x61, 0x07, |
| 446 | 0x22, 0x71, 0x14, 0x32, 0x81, 0x91, 0xa1, 0x08, |
| 447 | 0x23, 0x42, 0xb1, 0xc1, 0x15, 0x52, 0xd1, 0xf0, |
| 448 | 0x24, 0x33, 0x62, 0x72, 0x82, 0x09, 0x0a, 0x16, |
| 449 | 0x17, 0x18, 0x19, 0x1a, 0x25, 0x26, 0x27, 0x28, |
| 450 | 0x29, 0x2a, 0x34, 0x35, 0x36, 0x37, 0x38, 0x39, |
| 451 | 0x3a, 0x43, 0x44, 0x45, 0x46, 0x47, 0x48, 0x49, |
| 452 | 0x4a, 0x53, 0x54, 0x55, 0x56, 0x57, 0x58, 0x59, |
| 453 | 0x5a, 0x63, 0x64, 0x65, 0x66, 0x67, 0x68, 0x69, |
| 454 | 0x6a, 0x73, 0x74, 0x75, 0x76, 0x77, 0x78, 0x79, |
| 455 | 0x7a, 0x83, 0x84, 0x85, 0x86, 0x87, 0x88, 0x89, |
| 456 | 0x8a, 0x92, 0x93, 0x94, 0x95, 0x96, 0x97, 0x98, |
| 457 | 0x99, 0x9a, 0xa2, 0xa3, 0xa4, 0xa5, 0xa6, 0xa7, |
| 458 | 0xa8, 0xa9, 0xaa, 0xb2, 0xb3, 0xb4, 0xb5, 0xb6, |
| 459 | 0xb7, 0xb8, 0xb9, 0xba, 0xc2, 0xc3, 0xc4, 0xc5, |
| 460 | 0xc6, 0xc7, 0xc8, 0xc9, 0xca, 0xd2, 0xd3, 0xd4, |
| 461 | 0xd5, 0xd6, 0xd7, 0xd8, 0xd9, 0xda, 0xe1, 0xe2, |
| 462 | 0xe3, 0xe4, 0xe5, 0xe6, 0xe7, 0xe8, 0xe9, 0xea, |
| 463 | 0xf1, 0xf2, 0xf3, 0xf4, 0xf5, 0xf6, 0xf7, 0xf8, |
| 464 | 0xf9, 0xfa |
| 465 | }; |
| 466 | |
Jacek Anaszewski | 337777a | 2013-11-22 06:13:34 -0300 | [diff] [blame] | 467 | /* |
| 468 | * Fourcc downgrade schema lookup tables for 422 and 420 |
| 469 | * chroma subsampling - fourcc on each position maps on the |
| 470 | * fourcc from the table fourcc_to_dwngrd_schema_id which allows |
| 471 | * to get the most suitable fourcc counterpart for the given |
| 472 | * downgraded subsampling property. |
| 473 | */ |
| 474 | static const u32 subs422_fourcc_dwngrd_schema[] = { |
| 475 | V4L2_PIX_FMT_NV16, |
| 476 | V4L2_PIX_FMT_NV61, |
| 477 | }; |
| 478 | |
| 479 | static const u32 subs420_fourcc_dwngrd_schema[] = { |
| 480 | V4L2_PIX_FMT_NV12, |
| 481 | V4L2_PIX_FMT_NV21, |
| 482 | V4L2_PIX_FMT_NV12, |
| 483 | V4L2_PIX_FMT_NV21, |
| 484 | V4L2_PIX_FMT_NV12, |
| 485 | V4L2_PIX_FMT_NV21, |
| 486 | V4L2_PIX_FMT_GREY, |
| 487 | V4L2_PIX_FMT_GREY, |
| 488 | V4L2_PIX_FMT_GREY, |
| 489 | V4L2_PIX_FMT_GREY, |
| 490 | }; |
| 491 | |
| 492 | /* |
| 493 | * Lookup table for translation of a fourcc to the position |
| 494 | * of its downgraded counterpart in the *fourcc_dwngrd_schema |
| 495 | * tables. |
| 496 | */ |
| 497 | static const u32 fourcc_to_dwngrd_schema_id[] = { |
| 498 | V4L2_PIX_FMT_NV24, |
| 499 | V4L2_PIX_FMT_NV42, |
| 500 | V4L2_PIX_FMT_NV16, |
| 501 | V4L2_PIX_FMT_NV61, |
| 502 | V4L2_PIX_FMT_YUYV, |
| 503 | V4L2_PIX_FMT_YVYU, |
| 504 | V4L2_PIX_FMT_NV12, |
| 505 | V4L2_PIX_FMT_NV21, |
| 506 | V4L2_PIX_FMT_YUV420, |
| 507 | V4L2_PIX_FMT_GREY, |
| 508 | }; |
| 509 | |
| 510 | static int s5p_jpeg_get_dwngrd_sch_id_by_fourcc(u32 fourcc) |
| 511 | { |
| 512 | int i; |
Shuah Khan | 605b892 | 2016-07-14 17:01:56 -0300 | [diff] [blame] | 513 | |
Jacek Anaszewski | 337777a | 2013-11-22 06:13:34 -0300 | [diff] [blame] | 514 | for (i = 0; i < ARRAY_SIZE(fourcc_to_dwngrd_schema_id); ++i) { |
| 515 | if (fourcc_to_dwngrd_schema_id[i] == fourcc) |
| 516 | return i; |
| 517 | } |
| 518 | |
| 519 | return -EINVAL; |
| 520 | } |
| 521 | |
| 522 | static int s5p_jpeg_adjust_fourcc_to_subsampling( |
| 523 | enum v4l2_jpeg_chroma_subsampling subs, |
| 524 | u32 in_fourcc, |
| 525 | u32 *out_fourcc, |
| 526 | struct s5p_jpeg_ctx *ctx) |
| 527 | { |
| 528 | int dwngrd_sch_id; |
| 529 | |
| 530 | if (ctx->subsampling != V4L2_JPEG_CHROMA_SUBSAMPLING_GRAY) { |
| 531 | dwngrd_sch_id = |
| 532 | s5p_jpeg_get_dwngrd_sch_id_by_fourcc(in_fourcc); |
| 533 | if (dwngrd_sch_id < 0) |
| 534 | return -EINVAL; |
| 535 | } |
| 536 | |
| 537 | switch (ctx->subsampling) { |
| 538 | case V4L2_JPEG_CHROMA_SUBSAMPLING_GRAY: |
| 539 | *out_fourcc = V4L2_PIX_FMT_GREY; |
| 540 | break; |
| 541 | case V4L2_JPEG_CHROMA_SUBSAMPLING_420: |
| 542 | if (dwngrd_sch_id > |
| 543 | ARRAY_SIZE(subs420_fourcc_dwngrd_schema) - 1) |
| 544 | return -EINVAL; |
| 545 | *out_fourcc = subs420_fourcc_dwngrd_schema[dwngrd_sch_id]; |
| 546 | break; |
| 547 | case V4L2_JPEG_CHROMA_SUBSAMPLING_422: |
| 548 | if (dwngrd_sch_id > |
| 549 | ARRAY_SIZE(subs422_fourcc_dwngrd_schema) - 1) |
| 550 | return -EINVAL; |
| 551 | *out_fourcc = subs422_fourcc_dwngrd_schema[dwngrd_sch_id]; |
| 552 | break; |
| 553 | default: |
| 554 | *out_fourcc = V4L2_PIX_FMT_GREY; |
| 555 | break; |
| 556 | } |
| 557 | |
| 558 | return 0; |
| 559 | } |
| 560 | |
Jacek Anaszewski | 303b0a9 | 2013-12-18 11:14:00 -0300 | [diff] [blame] | 561 | static int exynos4x12_decoded_subsampling[] = { |
| 562 | V4L2_JPEG_CHROMA_SUBSAMPLING_GRAY, |
| 563 | V4L2_JPEG_CHROMA_SUBSAMPLING_444, |
| 564 | V4L2_JPEG_CHROMA_SUBSAMPLING_422, |
| 565 | V4L2_JPEG_CHROMA_SUBSAMPLING_420, |
| 566 | }; |
| 567 | |
Jacek Anaszewski | 3246fda | 2014-07-11 12:19:42 -0300 | [diff] [blame] | 568 | static int exynos3250_decoded_subsampling[] = { |
| 569 | V4L2_JPEG_CHROMA_SUBSAMPLING_444, |
| 570 | V4L2_JPEG_CHROMA_SUBSAMPLING_422, |
| 571 | V4L2_JPEG_CHROMA_SUBSAMPLING_420, |
| 572 | V4L2_JPEG_CHROMA_SUBSAMPLING_GRAY, |
| 573 | -1, |
| 574 | -1, |
| 575 | V4L2_JPEG_CHROMA_SUBSAMPLING_411, |
| 576 | }; |
| 577 | |
Sylwester Nawrocki | 15f4bc3 | 2012-02-17 11:39:36 -0300 | [diff] [blame] | 578 | static inline struct s5p_jpeg_ctx *ctrl_to_ctx(struct v4l2_ctrl *c) |
| 579 | { |
| 580 | return container_of(c->handler, struct s5p_jpeg_ctx, ctrl_handler); |
| 581 | } |
| 582 | |
Sylwester Nawrocki | 275de24 | 2012-02-17 11:38:09 -0300 | [diff] [blame] | 583 | static inline struct s5p_jpeg_ctx *fh_to_ctx(struct v4l2_fh *fh) |
| 584 | { |
| 585 | return container_of(fh, struct s5p_jpeg_ctx, fh); |
| 586 | } |
| 587 | |
Jacek Anaszewski | 303b0a9 | 2013-12-18 11:14:00 -0300 | [diff] [blame] | 588 | static int s5p_jpeg_to_user_subsampling(struct s5p_jpeg_ctx *ctx) |
| 589 | { |
Jacek Anaszewski | 3246fda | 2014-07-11 12:19:42 -0300 | [diff] [blame] | 590 | switch (ctx->jpeg->variant->version) { |
| 591 | case SJPEG_S5P: |
Tony K Nadackal | fa3cb90 | 2017-06-30 10:15:41 -0400 | [diff] [blame] | 592 | WARN_ON(ctx->subsampling > 3); |
Jacek Anaszewski | 303b0a9 | 2013-12-18 11:14:00 -0300 | [diff] [blame] | 593 | if (ctx->subsampling > 2) |
| 594 | return V4L2_JPEG_CHROMA_SUBSAMPLING_GRAY; |
| 595 | return ctx->subsampling; |
Jacek Anaszewski | 3246fda | 2014-07-11 12:19:42 -0300 | [diff] [blame] | 596 | case SJPEG_EXYNOS3250: |
Andrzej Pietrasiewicz | 7c15fd4 | 2015-03-09 09:32:46 -0300 | [diff] [blame] | 597 | case SJPEG_EXYNOS5420: |
Tony K Nadackal | fa3cb90 | 2017-06-30 10:15:41 -0400 | [diff] [blame] | 598 | WARN_ON(ctx->subsampling > 6); |
Jacek Anaszewski | 3246fda | 2014-07-11 12:19:42 -0300 | [diff] [blame] | 599 | if (ctx->subsampling > 3) |
| 600 | return V4L2_JPEG_CHROMA_SUBSAMPLING_411; |
| 601 | return exynos3250_decoded_subsampling[ctx->subsampling]; |
| 602 | case SJPEG_EXYNOS4: |
Tony K Nadackal | fa3cb90 | 2017-06-30 10:15:41 -0400 | [diff] [blame] | 603 | WARN_ON(ctx->subsampling > 3); |
Jacek Anaszewski | 303b0a9 | 2013-12-18 11:14:00 -0300 | [diff] [blame] | 604 | if (ctx->subsampling > 2) |
| 605 | return V4L2_JPEG_CHROMA_SUBSAMPLING_420; |
| 606 | return exynos4x12_decoded_subsampling[ctx->subsampling]; |
Andrzej Pietrasiewicz | 4d7be60 | 2017-08-08 07:27:08 -0400 | [diff] [blame] | 607 | case SJPEG_EXYNOS5433: |
| 608 | return ctx->subsampling; /* parsed from header */ |
Jacek Anaszewski | 3246fda | 2014-07-11 12:19:42 -0300 | [diff] [blame] | 609 | default: |
Tony K Nadackal | fa3cb90 | 2017-06-30 10:15:41 -0400 | [diff] [blame] | 610 | WARN_ON(ctx->subsampling > 3); |
Jacek Anaszewski | 3246fda | 2014-07-11 12:19:42 -0300 | [diff] [blame] | 611 | return V4L2_JPEG_CHROMA_SUBSAMPLING_GRAY; |
Jacek Anaszewski | 303b0a9 | 2013-12-18 11:14:00 -0300 | [diff] [blame] | 612 | } |
| 613 | } |
| 614 | |
Jacek Anaszewski | 31dc0ac | 2013-11-25 06:58:12 -0300 | [diff] [blame] | 615 | static inline void s5p_jpeg_set_qtbl(void __iomem *regs, |
| 616 | const unsigned char *qtbl, |
| 617 | unsigned long tab, int len) |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 618 | { |
| 619 | int i; |
| 620 | |
| 621 | for (i = 0; i < len; i++) |
| 622 | writel((unsigned int)qtbl[i], regs + tab + (i * 0x04)); |
| 623 | } |
| 624 | |
Jacek Anaszewski | 31dc0ac | 2013-11-25 06:58:12 -0300 | [diff] [blame] | 625 | 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] | 626 | { |
| 627 | /* this driver fills quantisation table 0 with data for luma */ |
Jacek Anaszewski | 31dc0ac | 2013-11-25 06:58:12 -0300 | [diff] [blame] | 628 | s5p_jpeg_set_qtbl(regs, qtbl_luminance[quality], |
| 629 | S5P_JPG_QTBL_CONTENT(0), |
| 630 | ARRAY_SIZE(qtbl_luminance[quality])); |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 631 | } |
| 632 | |
Jacek Anaszewski | 31dc0ac | 2013-11-25 06:58:12 -0300 | [diff] [blame] | 633 | 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] | 634 | { |
| 635 | /* this driver fills quantisation table 1 with data for chroma */ |
Jacek Anaszewski | 31dc0ac | 2013-11-25 06:58:12 -0300 | [diff] [blame] | 636 | s5p_jpeg_set_qtbl(regs, qtbl_chrominance[quality], |
| 637 | S5P_JPG_QTBL_CONTENT(1), |
| 638 | ARRAY_SIZE(qtbl_chrominance[quality])); |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 639 | } |
| 640 | |
Jacek Anaszewski | 31dc0ac | 2013-11-25 06:58:12 -0300 | [diff] [blame] | 641 | static inline void s5p_jpeg_set_htbl(void __iomem *regs, |
| 642 | const unsigned char *htbl, |
| 643 | unsigned long tab, int len) |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 644 | { |
| 645 | int i; |
| 646 | |
| 647 | for (i = 0; i < len; i++) |
| 648 | writel((unsigned int)htbl[i], regs + tab + (i * 0x04)); |
| 649 | } |
| 650 | |
Jacek Anaszewski | 31dc0ac | 2013-11-25 06:58:12 -0300 | [diff] [blame] | 651 | static inline void s5p_jpeg_set_hdctbl(void __iomem *regs) |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 652 | { |
| 653 | /* this driver fills table 0 for this component */ |
Jacek Anaszewski | 31dc0ac | 2013-11-25 06:58:12 -0300 | [diff] [blame] | 654 | s5p_jpeg_set_htbl(regs, hdctbl0, S5P_JPG_HDCTBL(0), |
| 655 | ARRAY_SIZE(hdctbl0)); |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 656 | } |
| 657 | |
Jacek Anaszewski | 31dc0ac | 2013-11-25 06:58:12 -0300 | [diff] [blame] | 658 | static inline void s5p_jpeg_set_hdctblg(void __iomem *regs) |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 659 | { |
| 660 | /* this driver fills table 0 for this component */ |
Jacek Anaszewski | 31dc0ac | 2013-11-25 06:58:12 -0300 | [diff] [blame] | 661 | s5p_jpeg_set_htbl(regs, hdctblg0, S5P_JPG_HDCTBLG(0), |
| 662 | ARRAY_SIZE(hdctblg0)); |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 663 | } |
| 664 | |
Jacek Anaszewski | 31dc0ac | 2013-11-25 06:58:12 -0300 | [diff] [blame] | 665 | static inline void s5p_jpeg_set_hactbl(void __iomem *regs) |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 666 | { |
| 667 | /* this driver fills table 0 for this component */ |
Jacek Anaszewski | 31dc0ac | 2013-11-25 06:58:12 -0300 | [diff] [blame] | 668 | s5p_jpeg_set_htbl(regs, hactbl0, S5P_JPG_HACTBL(0), |
| 669 | ARRAY_SIZE(hactbl0)); |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 670 | } |
| 671 | |
Jacek Anaszewski | 31dc0ac | 2013-11-25 06:58:12 -0300 | [diff] [blame] | 672 | static inline void s5p_jpeg_set_hactblg(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, hactblg0, S5P_JPG_HACTBLG(0), |
| 676 | ARRAY_SIZE(hactblg0)); |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 677 | } |
| 678 | |
Jacek Anaszewski | 80529ae5 | 2013-12-18 11:04:44 -0300 | [diff] [blame] | 679 | static inline void exynos4_jpeg_set_tbl(void __iomem *regs, |
| 680 | const unsigned char *tbl, |
| 681 | unsigned long tab, int len) |
| 682 | { |
| 683 | int i; |
| 684 | unsigned int dword; |
| 685 | |
| 686 | for (i = 0; i < len; i += 4) { |
| 687 | dword = tbl[i] | |
| 688 | (tbl[i + 1] << 8) | |
| 689 | (tbl[i + 2] << 16) | |
| 690 | (tbl[i + 3] << 24); |
| 691 | writel(dword, regs + tab + i); |
| 692 | } |
| 693 | } |
| 694 | |
| 695 | static inline void exynos4_jpeg_set_qtbl_lum(void __iomem *regs, int quality) |
| 696 | { |
| 697 | /* this driver fills quantisation table 0 with data for luma */ |
| 698 | exynos4_jpeg_set_tbl(regs, qtbl_luminance[quality], |
| 699 | EXYNOS4_QTBL_CONTENT(0), |
| 700 | ARRAY_SIZE(qtbl_luminance[quality])); |
| 701 | } |
| 702 | |
| 703 | static inline void exynos4_jpeg_set_qtbl_chr(void __iomem *regs, int quality) |
| 704 | { |
| 705 | /* this driver fills quantisation table 1 with data for chroma */ |
| 706 | exynos4_jpeg_set_tbl(regs, qtbl_chrominance[quality], |
| 707 | EXYNOS4_QTBL_CONTENT(1), |
| 708 | ARRAY_SIZE(qtbl_chrominance[quality])); |
| 709 | } |
| 710 | |
Mauro Carvalho Chehab | af425be | 2014-08-26 10:50:23 -0300 | [diff] [blame] | 711 | static void exynos4_jpeg_set_huff_tbl(void __iomem *base) |
Jacek Anaszewski | 80529ae5 | 2013-12-18 11:04:44 -0300 | [diff] [blame] | 712 | { |
| 713 | exynos4_jpeg_set_tbl(base, hdctbl0, EXYNOS4_HUFF_TBL_HDCLL, |
| 714 | ARRAY_SIZE(hdctbl0)); |
| 715 | exynos4_jpeg_set_tbl(base, hdctbl0, EXYNOS4_HUFF_TBL_HDCCL, |
| 716 | ARRAY_SIZE(hdctbl0)); |
| 717 | exynos4_jpeg_set_tbl(base, hdctblg0, EXYNOS4_HUFF_TBL_HDCLV, |
| 718 | ARRAY_SIZE(hdctblg0)); |
| 719 | exynos4_jpeg_set_tbl(base, hdctblg0, EXYNOS4_HUFF_TBL_HDCCV, |
| 720 | ARRAY_SIZE(hdctblg0)); |
| 721 | exynos4_jpeg_set_tbl(base, hactbl0, EXYNOS4_HUFF_TBL_HACLL, |
| 722 | ARRAY_SIZE(hactbl0)); |
| 723 | exynos4_jpeg_set_tbl(base, hactbl0, EXYNOS4_HUFF_TBL_HACCL, |
| 724 | ARRAY_SIZE(hactbl0)); |
| 725 | exynos4_jpeg_set_tbl(base, hactblg0, EXYNOS4_HUFF_TBL_HACLV, |
| 726 | ARRAY_SIZE(hactblg0)); |
| 727 | exynos4_jpeg_set_tbl(base, hactblg0, EXYNOS4_HUFF_TBL_HACCV, |
| 728 | ARRAY_SIZE(hactblg0)); |
| 729 | } |
| 730 | |
Andrzej Pietrasiewicz | 6c96dbb | 2015-09-18 11:20:58 -0300 | [diff] [blame] | 731 | static inline int __exynos4_huff_tbl(int class, int id, bool lenval) |
| 732 | { |
| 733 | /* |
| 734 | * class: 0 - DC, 1 - AC |
| 735 | * id: 0 - Y, 1 - Cb/Cr |
| 736 | */ |
| 737 | if (class) { |
| 738 | if (id) |
| 739 | return lenval ? EXYNOS4_HUFF_TBL_HACCL : |
| 740 | EXYNOS4_HUFF_TBL_HACCV; |
| 741 | return lenval ? EXYNOS4_HUFF_TBL_HACLL : EXYNOS4_HUFF_TBL_HACLV; |
| 742 | |
| 743 | } |
| 744 | /* class == 0 */ |
| 745 | if (id) |
| 746 | return lenval ? EXYNOS4_HUFF_TBL_HDCCL : EXYNOS4_HUFF_TBL_HDCCV; |
| 747 | |
| 748 | return lenval ? EXYNOS4_HUFF_TBL_HDCLL : EXYNOS4_HUFF_TBL_HDCLV; |
| 749 | } |
| 750 | |
| 751 | static inline int exynos4_huff_tbl_len(int class, int id) |
| 752 | { |
| 753 | return __exynos4_huff_tbl(class, id, true); |
| 754 | } |
| 755 | |
| 756 | static inline int exynos4_huff_tbl_val(int class, int id) |
| 757 | { |
| 758 | return __exynos4_huff_tbl(class, id, false); |
| 759 | } |
| 760 | |
| 761 | static int get_byte(struct s5p_jpeg_buffer *buf); |
| 762 | static int get_word_be(struct s5p_jpeg_buffer *buf, unsigned int *word); |
| 763 | static void skip(struct s5p_jpeg_buffer *buf, long len); |
| 764 | |
| 765 | static void exynos4_jpeg_parse_decode_h_tbl(struct s5p_jpeg_ctx *ctx) |
| 766 | { |
| 767 | struct s5p_jpeg *jpeg = ctx->jpeg; |
Ezequiel Garcia | 4a88f89 | 2019-02-08 11:17:45 -0500 | [diff] [blame] | 768 | struct vb2_v4l2_buffer *vb = v4l2_m2m_next_src_buf(ctx->fh.m2m_ctx); |
Andrzej Pietrasiewicz | 6c96dbb | 2015-09-18 11:20:58 -0300 | [diff] [blame] | 769 | struct s5p_jpeg_buffer jpeg_buffer; |
| 770 | unsigned int word; |
| 771 | int c, x, components; |
| 772 | |
| 773 | jpeg_buffer.size = 2; /* Ls */ |
| 774 | jpeg_buffer.data = |
Ezequiel Garcia | 4a88f89 | 2019-02-08 11:17:45 -0500 | [diff] [blame] | 775 | (unsigned long)vb2_plane_vaddr(&vb->vb2_buf, 0) + ctx->out_q.sos + 2; |
Andrzej Pietrasiewicz | 6c96dbb | 2015-09-18 11:20:58 -0300 | [diff] [blame] | 776 | jpeg_buffer.curr = 0; |
| 777 | |
| 778 | word = 0; |
| 779 | |
| 780 | if (get_word_be(&jpeg_buffer, &word)) |
| 781 | return; |
| 782 | jpeg_buffer.size = (long)word - 2; |
| 783 | jpeg_buffer.data += 2; |
| 784 | jpeg_buffer.curr = 0; |
| 785 | |
| 786 | components = get_byte(&jpeg_buffer); |
| 787 | if (components == -1) |
| 788 | return; |
| 789 | while (components--) { |
| 790 | c = get_byte(&jpeg_buffer); |
| 791 | if (c == -1) |
| 792 | return; |
| 793 | x = get_byte(&jpeg_buffer); |
| 794 | if (x == -1) |
| 795 | return; |
| 796 | exynos4_jpeg_select_dec_h_tbl(jpeg->regs, c, |
| 797 | (((x >> 4) & 0x1) << 1) | (x & 0x1)); |
| 798 | } |
| 799 | |
| 800 | } |
| 801 | |
| 802 | static void exynos4_jpeg_parse_huff_tbl(struct s5p_jpeg_ctx *ctx) |
| 803 | { |
| 804 | struct s5p_jpeg *jpeg = ctx->jpeg; |
Ezequiel Garcia | 4a88f89 | 2019-02-08 11:17:45 -0500 | [diff] [blame] | 805 | struct vb2_v4l2_buffer *vb = v4l2_m2m_next_src_buf(ctx->fh.m2m_ctx); |
Andrzej Pietrasiewicz | 6c96dbb | 2015-09-18 11:20:58 -0300 | [diff] [blame] | 806 | struct s5p_jpeg_buffer jpeg_buffer; |
| 807 | unsigned int word; |
| 808 | int c, i, n, j; |
| 809 | |
| 810 | for (j = 0; j < ctx->out_q.dht.n; ++j) { |
| 811 | jpeg_buffer.size = ctx->out_q.dht.len[j]; |
Ezequiel Garcia | 4a88f89 | 2019-02-08 11:17:45 -0500 | [diff] [blame] | 812 | jpeg_buffer.data = (unsigned long)vb2_plane_vaddr(&vb->vb2_buf, 0) + |
Andrzej Pietrasiewicz | 6c96dbb | 2015-09-18 11:20:58 -0300 | [diff] [blame] | 813 | ctx->out_q.dht.marker[j]; |
| 814 | jpeg_buffer.curr = 0; |
| 815 | |
| 816 | word = 0; |
| 817 | while (jpeg_buffer.curr < jpeg_buffer.size) { |
| 818 | char id, class; |
| 819 | |
| 820 | c = get_byte(&jpeg_buffer); |
| 821 | if (c == -1) |
| 822 | return; |
| 823 | id = c & 0xf; |
| 824 | class = (c >> 4) & 0xf; |
| 825 | n = 0; |
| 826 | for (i = 0; i < 16; ++i) { |
| 827 | c = get_byte(&jpeg_buffer); |
| 828 | if (c == -1) |
| 829 | return; |
| 830 | word |= c << ((i % 4) * 8); |
| 831 | if ((i + 1) % 4 == 0) { |
| 832 | writel(word, jpeg->regs + |
| 833 | exynos4_huff_tbl_len(class, id) + |
| 834 | (i / 4) * 4); |
| 835 | word = 0; |
| 836 | } |
| 837 | n += c; |
| 838 | } |
| 839 | word = 0; |
| 840 | for (i = 0; i < n; ++i) { |
| 841 | c = get_byte(&jpeg_buffer); |
| 842 | if (c == -1) |
| 843 | return; |
| 844 | word |= c << ((i % 4) * 8); |
| 845 | if ((i + 1) % 4 == 0) { |
| 846 | writel(word, jpeg->regs + |
| 847 | exynos4_huff_tbl_val(class, id) + |
| 848 | (i / 4) * 4); |
| 849 | word = 0; |
| 850 | } |
| 851 | } |
| 852 | if (i % 4) { |
| 853 | writel(word, jpeg->regs + |
| 854 | exynos4_huff_tbl_val(class, id) + (i / 4) * 4); |
| 855 | } |
| 856 | word = 0; |
| 857 | } |
| 858 | } |
| 859 | } |
| 860 | |
| 861 | static void exynos4_jpeg_parse_decode_q_tbl(struct s5p_jpeg_ctx *ctx) |
| 862 | { |
| 863 | struct s5p_jpeg *jpeg = ctx->jpeg; |
Ezequiel Garcia | 4a88f89 | 2019-02-08 11:17:45 -0500 | [diff] [blame] | 864 | struct vb2_v4l2_buffer *vb = v4l2_m2m_next_src_buf(ctx->fh.m2m_ctx); |
Andrzej Pietrasiewicz | 6c96dbb | 2015-09-18 11:20:58 -0300 | [diff] [blame] | 865 | struct s5p_jpeg_buffer jpeg_buffer; |
Andrzej Pietrasiewicz | 6c96dbb | 2015-09-18 11:20:58 -0300 | [diff] [blame] | 866 | int c, x, components; |
| 867 | |
| 868 | jpeg_buffer.size = ctx->out_q.sof_len; |
| 869 | jpeg_buffer.data = |
Ezequiel Garcia | 4a88f89 | 2019-02-08 11:17:45 -0500 | [diff] [blame] | 870 | (unsigned long)vb2_plane_vaddr(&vb->vb2_buf, 0) + ctx->out_q.sof; |
Andrzej Pietrasiewicz | 6c96dbb | 2015-09-18 11:20:58 -0300 | [diff] [blame] | 871 | jpeg_buffer.curr = 0; |
| 872 | |
Andrzej Pietrasiewicz | 6c96dbb | 2015-09-18 11:20:58 -0300 | [diff] [blame] | 873 | skip(&jpeg_buffer, 5); /* P, Y, X */ |
| 874 | components = get_byte(&jpeg_buffer); |
| 875 | if (components == -1) |
| 876 | return; |
| 877 | |
| 878 | exynos4_jpeg_set_dec_components(jpeg->regs, components); |
| 879 | |
| 880 | while (components--) { |
| 881 | c = get_byte(&jpeg_buffer); |
| 882 | if (c == -1) |
| 883 | return; |
| 884 | skip(&jpeg_buffer, 1); |
| 885 | x = get_byte(&jpeg_buffer); |
| 886 | if (x == -1) |
| 887 | return; |
| 888 | exynos4_jpeg_select_dec_q_tbl(jpeg->regs, c, x); |
| 889 | } |
| 890 | } |
| 891 | |
| 892 | static void exynos4_jpeg_parse_q_tbl(struct s5p_jpeg_ctx *ctx) |
| 893 | { |
| 894 | struct s5p_jpeg *jpeg = ctx->jpeg; |
Ezequiel Garcia | 4a88f89 | 2019-02-08 11:17:45 -0500 | [diff] [blame] | 895 | struct vb2_v4l2_buffer *vb = v4l2_m2m_next_src_buf(ctx->fh.m2m_ctx); |
Andrzej Pietrasiewicz | 6c96dbb | 2015-09-18 11:20:58 -0300 | [diff] [blame] | 896 | struct s5p_jpeg_buffer jpeg_buffer; |
| 897 | unsigned int word; |
| 898 | int c, i, j; |
| 899 | |
| 900 | for (j = 0; j < ctx->out_q.dqt.n; ++j) { |
| 901 | jpeg_buffer.size = ctx->out_q.dqt.len[j]; |
Ezequiel Garcia | 4a88f89 | 2019-02-08 11:17:45 -0500 | [diff] [blame] | 902 | jpeg_buffer.data = (unsigned long)vb2_plane_vaddr(&vb->vb2_buf, 0) + |
Andrzej Pietrasiewicz | 6c96dbb | 2015-09-18 11:20:58 -0300 | [diff] [blame] | 903 | ctx->out_q.dqt.marker[j]; |
| 904 | jpeg_buffer.curr = 0; |
| 905 | |
| 906 | word = 0; |
| 907 | while (jpeg_buffer.size - jpeg_buffer.curr >= 65) { |
| 908 | char id; |
| 909 | |
| 910 | c = get_byte(&jpeg_buffer); |
| 911 | if (c == -1) |
| 912 | return; |
| 913 | id = c & 0xf; |
| 914 | /* nonzero means extended mode - not supported */ |
| 915 | if ((c >> 4) & 0xf) |
| 916 | return; |
| 917 | for (i = 0; i < 64; ++i) { |
| 918 | c = get_byte(&jpeg_buffer); |
| 919 | if (c == -1) |
| 920 | return; |
| 921 | word |= c << ((i % 4) * 8); |
| 922 | if ((i + 1) % 4 == 0) { |
| 923 | writel(word, jpeg->regs + |
| 924 | EXYNOS4_QTBL_CONTENT(id) + (i / 4) * 4); |
| 925 | word = 0; |
| 926 | } |
| 927 | } |
| 928 | word = 0; |
| 929 | } |
| 930 | } |
| 931 | } |
| 932 | |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 933 | /* |
| 934 | * ============================================================================ |
| 935 | * Device file operations |
| 936 | * ============================================================================ |
| 937 | */ |
| 938 | |
| 939 | static int queue_init(void *priv, struct vb2_queue *src_vq, |
| 940 | struct vb2_queue *dst_vq); |
Jacek Anaszewski | 80529ae5 | 2013-12-18 11:04:44 -0300 | [diff] [blame] | 941 | static struct s5p_jpeg_fmt *s5p_jpeg_find_format(struct s5p_jpeg_ctx *ctx, |
| 942 | __u32 pixelformat, unsigned int fmt_type); |
Sylwester Nawrocki | 15f4bc3 | 2012-02-17 11:39:36 -0300 | [diff] [blame] | 943 | static int s5p_jpeg_controls_create(struct s5p_jpeg_ctx *ctx); |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 944 | |
| 945 | static int s5p_jpeg_open(struct file *file) |
| 946 | { |
| 947 | struct s5p_jpeg *jpeg = video_drvdata(file); |
| 948 | struct video_device *vfd = video_devdata(file); |
| 949 | struct s5p_jpeg_ctx *ctx; |
Jacek Anaszewski | 80529ae5 | 2013-12-18 11:04:44 -0300 | [diff] [blame] | 950 | struct s5p_jpeg_fmt *out_fmt, *cap_fmt; |
Sylwester Nawrocki | 275de24 | 2012-02-17 11:38:09 -0300 | [diff] [blame] | 951 | int ret = 0; |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 952 | |
Sachin Kamat | b5146c9 | 2012-08-16 08:52:58 -0300 | [diff] [blame] | 953 | ctx = kzalloc(sizeof(*ctx), GFP_KERNEL); |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 954 | if (!ctx) |
| 955 | return -ENOMEM; |
| 956 | |
Hans Verkuil | b0d5cd6 | 2012-06-24 06:54:18 -0300 | [diff] [blame] | 957 | if (mutex_lock_interruptible(&jpeg->lock)) { |
| 958 | ret = -ERESTARTSYS; |
| 959 | goto free; |
| 960 | } |
| 961 | |
Sylwester Nawrocki | 275de24 | 2012-02-17 11:38:09 -0300 | [diff] [blame] | 962 | v4l2_fh_init(&ctx->fh, vfd); |
Sylwester Nawrocki | 15f4bc3 | 2012-02-17 11:39:36 -0300 | [diff] [blame] | 963 | /* Use separate control handler per file handle */ |
| 964 | ctx->fh.ctrl_handler = &ctx->ctrl_handler; |
Sylwester Nawrocki | 275de24 | 2012-02-17 11:38:09 -0300 | [diff] [blame] | 965 | file->private_data = &ctx->fh; |
| 966 | v4l2_fh_add(&ctx->fh); |
| 967 | |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 968 | ctx->jpeg = jpeg; |
| 969 | if (vfd == jpeg->vfd_encoder) { |
| 970 | ctx->mode = S5P_JPEG_ENCODE; |
Jacek Anaszewski | 80529ae5 | 2013-12-18 11:04:44 -0300 | [diff] [blame] | 971 | out_fmt = s5p_jpeg_find_format(ctx, V4L2_PIX_FMT_RGB565, |
| 972 | FMT_TYPE_OUTPUT); |
| 973 | cap_fmt = s5p_jpeg_find_format(ctx, V4L2_PIX_FMT_JPEG, |
| 974 | FMT_TYPE_CAPTURE); |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 975 | } else { |
| 976 | ctx->mode = S5P_JPEG_DECODE; |
Jacek Anaszewski | 80529ae5 | 2013-12-18 11:04:44 -0300 | [diff] [blame] | 977 | out_fmt = s5p_jpeg_find_format(ctx, V4L2_PIX_FMT_JPEG, |
| 978 | FMT_TYPE_OUTPUT); |
| 979 | cap_fmt = s5p_jpeg_find_format(ctx, V4L2_PIX_FMT_YUYV, |
| 980 | FMT_TYPE_CAPTURE); |
Jacek Anaszewski | 3246fda | 2014-07-11 12:19:42 -0300 | [diff] [blame] | 981 | ctx->scale_factor = EXYNOS3250_DEC_SCALE_FACTOR_8_8; |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 982 | } |
| 983 | |
Sylwester Nawrocki | 718cf4a | 2013-08-25 17:16:56 -0300 | [diff] [blame] | 984 | ctx->fh.m2m_ctx = v4l2_m2m_ctx_init(jpeg->m2m_dev, ctx, queue_init); |
| 985 | if (IS_ERR(ctx->fh.m2m_ctx)) { |
| 986 | ret = PTR_ERR(ctx->fh.m2m_ctx); |
Sylwester Nawrocki | 275de24 | 2012-02-17 11:38:09 -0300 | [diff] [blame] | 987 | goto error; |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 988 | } |
| 989 | |
| 990 | ctx->out_q.fmt = out_fmt; |
Jacek Anaszewski | 80529ae5 | 2013-12-18 11:04:44 -0300 | [diff] [blame] | 991 | ctx->cap_q.fmt = cap_fmt; |
| 992 | |
| 993 | ret = s5p_jpeg_controls_create(ctx); |
| 994 | if (ret < 0) |
| 995 | goto error; |
| 996 | |
Hans Verkuil | b0d5cd6 | 2012-06-24 06:54:18 -0300 | [diff] [blame] | 997 | mutex_unlock(&jpeg->lock); |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 998 | return 0; |
Sylwester Nawrocki | 275de24 | 2012-02-17 11:38:09 -0300 | [diff] [blame] | 999 | |
| 1000 | error: |
| 1001 | v4l2_fh_del(&ctx->fh); |
| 1002 | v4l2_fh_exit(&ctx->fh); |
Hans Verkuil | b0d5cd6 | 2012-06-24 06:54:18 -0300 | [diff] [blame] | 1003 | mutex_unlock(&jpeg->lock); |
| 1004 | free: |
Sylwester Nawrocki | 275de24 | 2012-02-17 11:38:09 -0300 | [diff] [blame] | 1005 | kfree(ctx); |
| 1006 | return ret; |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 1007 | } |
| 1008 | |
| 1009 | static int s5p_jpeg_release(struct file *file) |
| 1010 | { |
Hans Verkuil | b0d5cd6 | 2012-06-24 06:54:18 -0300 | [diff] [blame] | 1011 | struct s5p_jpeg *jpeg = video_drvdata(file); |
Sylwester Nawrocki | 275de24 | 2012-02-17 11:38:09 -0300 | [diff] [blame] | 1012 | struct s5p_jpeg_ctx *ctx = fh_to_ctx(file->private_data); |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 1013 | |
Hans Verkuil | b0d5cd6 | 2012-06-24 06:54:18 -0300 | [diff] [blame] | 1014 | mutex_lock(&jpeg->lock); |
Sylwester Nawrocki | 718cf4a | 2013-08-25 17:16:56 -0300 | [diff] [blame] | 1015 | v4l2_m2m_ctx_release(ctx->fh.m2m_ctx); |
Sylwester Nawrocki | 15f4bc3 | 2012-02-17 11:39:36 -0300 | [diff] [blame] | 1016 | v4l2_ctrl_handler_free(&ctx->ctrl_handler); |
Sylwester Nawrocki | 275de24 | 2012-02-17 11:38:09 -0300 | [diff] [blame] | 1017 | v4l2_fh_del(&ctx->fh); |
| 1018 | v4l2_fh_exit(&ctx->fh); |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 1019 | kfree(ctx); |
Jacek Anaszewski | 80529ae5 | 2013-12-18 11:04:44 -0300 | [diff] [blame] | 1020 | mutex_unlock(&jpeg->lock); |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 1021 | |
| 1022 | return 0; |
| 1023 | } |
| 1024 | |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 1025 | static const struct v4l2_file_operations s5p_jpeg_fops = { |
| 1026 | .owner = THIS_MODULE, |
| 1027 | .open = s5p_jpeg_open, |
| 1028 | .release = s5p_jpeg_release, |
Sylwester Nawrocki | 718cf4a | 2013-08-25 17:16:56 -0300 | [diff] [blame] | 1029 | .poll = v4l2_m2m_fop_poll, |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 1030 | .unlocked_ioctl = video_ioctl2, |
Sylwester Nawrocki | 718cf4a | 2013-08-25 17:16:56 -0300 | [diff] [blame] | 1031 | .mmap = v4l2_m2m_fop_mmap, |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 1032 | }; |
| 1033 | |
| 1034 | /* |
| 1035 | * ============================================================================ |
| 1036 | * video ioctl operations |
| 1037 | * ============================================================================ |
| 1038 | */ |
| 1039 | |
| 1040 | static int get_byte(struct s5p_jpeg_buffer *buf) |
| 1041 | { |
| 1042 | if (buf->curr >= buf->size) |
| 1043 | return -1; |
| 1044 | |
| 1045 | return ((unsigned char *)buf->data)[buf->curr++]; |
| 1046 | } |
| 1047 | |
| 1048 | static int get_word_be(struct s5p_jpeg_buffer *buf, unsigned int *word) |
| 1049 | { |
| 1050 | unsigned int temp; |
| 1051 | int byte; |
| 1052 | |
| 1053 | byte = get_byte(buf); |
| 1054 | if (byte == -1) |
| 1055 | return -1; |
| 1056 | temp = byte << 8; |
| 1057 | byte = get_byte(buf); |
| 1058 | if (byte == -1) |
| 1059 | return -1; |
| 1060 | *word = (unsigned int)byte | temp; |
| 1061 | return 0; |
| 1062 | } |
| 1063 | |
| 1064 | static void skip(struct s5p_jpeg_buffer *buf, long len) |
| 1065 | { |
| 1066 | if (len <= 0) |
| 1067 | return; |
| 1068 | |
| 1069 | while (len--) |
| 1070 | get_byte(buf); |
| 1071 | } |
| 1072 | |
Thierry Escande | c8d36a8 | 2017-06-30 10:15:44 -0400 | [diff] [blame] | 1073 | static bool s5p_jpeg_subsampling_decode(struct s5p_jpeg_ctx *ctx, |
| 1074 | unsigned int subsampling) |
| 1075 | { |
Tony K Nadackal | accf9b2 | 2017-06-30 10:15:45 -0400 | [diff] [blame] | 1076 | unsigned int version; |
| 1077 | |
Thierry Escande | c8d36a8 | 2017-06-30 10:15:44 -0400 | [diff] [blame] | 1078 | switch (subsampling) { |
| 1079 | case 0x11: |
| 1080 | ctx->subsampling = V4L2_JPEG_CHROMA_SUBSAMPLING_444; |
| 1081 | break; |
| 1082 | case 0x21: |
| 1083 | ctx->subsampling = V4L2_JPEG_CHROMA_SUBSAMPLING_422; |
| 1084 | break; |
| 1085 | case 0x22: |
| 1086 | ctx->subsampling = V4L2_JPEG_CHROMA_SUBSAMPLING_420; |
| 1087 | break; |
| 1088 | case 0x33: |
| 1089 | ctx->subsampling = V4L2_JPEG_CHROMA_SUBSAMPLING_GRAY; |
| 1090 | break; |
Tony K Nadackal | accf9b2 | 2017-06-30 10:15:45 -0400 | [diff] [blame] | 1091 | case 0x41: |
| 1092 | /* |
| 1093 | * 4:1:1 subsampling only supported by 3250, 5420, and 5433 |
| 1094 | * variants |
| 1095 | */ |
| 1096 | version = ctx->jpeg->variant->version; |
| 1097 | if (version != SJPEG_EXYNOS3250 && |
| 1098 | version != SJPEG_EXYNOS5420 && |
| 1099 | version != SJPEG_EXYNOS5433) |
| 1100 | return false; |
| 1101 | |
| 1102 | ctx->subsampling = V4L2_JPEG_CHROMA_SUBSAMPLING_411; |
| 1103 | break; |
Thierry Escande | c8d36a8 | 2017-06-30 10:15:44 -0400 | [diff] [blame] | 1104 | default: |
| 1105 | return false; |
| 1106 | } |
| 1107 | |
| 1108 | return true; |
| 1109 | } |
| 1110 | |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 1111 | static bool s5p_jpeg_parse_hdr(struct s5p_jpeg_q_data *result, |
Jacek Anaszewski | f843396 | 2013-11-21 13:33:09 -0300 | [diff] [blame] | 1112 | unsigned long buffer, unsigned long size, |
| 1113 | struct s5p_jpeg_ctx *ctx) |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 1114 | { |
Andrzej Pietrasiewicz | 6c96dbb | 2015-09-18 11:20:58 -0300 | [diff] [blame] | 1115 | int c, components = 0, notfound, n_dht = 0, n_dqt = 0; |
Mauro Carvalho Chehab | a16e377 | 2017-05-18 10:40:00 -0300 | [diff] [blame] | 1116 | unsigned int height = 0, width = 0, word, subsampling = 0; |
| 1117 | unsigned int sos = 0, sof = 0, sof_len = 0; |
| 1118 | unsigned int dht[S5P_JPEG_MAX_MARKER], dht_len[S5P_JPEG_MAX_MARKER]; |
| 1119 | unsigned int dqt[S5P_JPEG_MAX_MARKER], dqt_len[S5P_JPEG_MAX_MARKER]; |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 1120 | long length; |
| 1121 | struct s5p_jpeg_buffer jpeg_buffer; |
| 1122 | |
| 1123 | jpeg_buffer.size = size; |
| 1124 | jpeg_buffer.data = buffer; |
| 1125 | jpeg_buffer.curr = 0; |
| 1126 | |
| 1127 | notfound = 1; |
Andrzej Pietrasiewicz | 6c96dbb | 2015-09-18 11:20:58 -0300 | [diff] [blame] | 1128 | while (notfound || !sos) { |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 1129 | c = get_byte(&jpeg_buffer); |
| 1130 | if (c == -1) |
Jacek Anaszewski | a35f600 | 2014-07-11 12:19:43 -0300 | [diff] [blame] | 1131 | return false; |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 1132 | if (c != 0xff) |
| 1133 | continue; |
| 1134 | do |
| 1135 | c = get_byte(&jpeg_buffer); |
| 1136 | while (c == 0xff); |
| 1137 | if (c == -1) |
Jacek Anaszewski | a35f600 | 2014-07-11 12:19:43 -0300 | [diff] [blame] | 1138 | return false; |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 1139 | if (c == 0) |
| 1140 | continue; |
| 1141 | length = 0; |
| 1142 | switch (c) { |
| 1143 | /* SOF0: baseline JPEG */ |
| 1144 | case SOF0: |
| 1145 | if (get_word_be(&jpeg_buffer, &word)) |
| 1146 | break; |
Andrzej Pietrasiewicz | 6c96dbb | 2015-09-18 11:20:58 -0300 | [diff] [blame] | 1147 | length = (long)word - 2; |
| 1148 | if (!length) |
| 1149 | return false; |
| 1150 | sof = jpeg_buffer.curr; /* after 0xffc0 */ |
| 1151 | sof_len = length; |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 1152 | if (get_byte(&jpeg_buffer) == -1) |
| 1153 | break; |
| 1154 | if (get_word_be(&jpeg_buffer, &height)) |
| 1155 | break; |
| 1156 | if (get_word_be(&jpeg_buffer, &width)) |
| 1157 | break; |
| 1158 | components = get_byte(&jpeg_buffer); |
| 1159 | if (components == -1) |
| 1160 | break; |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 1161 | |
Jacek Anaszewski | f843396 | 2013-11-21 13:33:09 -0300 | [diff] [blame] | 1162 | if (components == 1) { |
| 1163 | subsampling = 0x33; |
| 1164 | } else { |
| 1165 | skip(&jpeg_buffer, 1); |
| 1166 | subsampling = get_byte(&jpeg_buffer); |
| 1167 | skip(&jpeg_buffer, 1); |
| 1168 | } |
Andrzej Pietrasiewicz | 6c96dbb | 2015-09-18 11:20:58 -0300 | [diff] [blame] | 1169 | if (components > 3) |
| 1170 | return false; |
Jacek Anaszewski | f843396 | 2013-11-21 13:33:09 -0300 | [diff] [blame] | 1171 | skip(&jpeg_buffer, components * 2); |
Andrzej Pietrasiewicz | 6c96dbb | 2015-09-18 11:20:58 -0300 | [diff] [blame] | 1172 | notfound = 0; |
| 1173 | break; |
| 1174 | |
| 1175 | case DQT: |
| 1176 | if (get_word_be(&jpeg_buffer, &word)) |
| 1177 | break; |
| 1178 | length = (long)word - 2; |
| 1179 | if (!length) |
| 1180 | return false; |
| 1181 | if (n_dqt >= S5P_JPEG_MAX_MARKER) |
| 1182 | return false; |
| 1183 | dqt[n_dqt] = jpeg_buffer.curr; /* after 0xffdb */ |
| 1184 | dqt_len[n_dqt++] = length; |
| 1185 | skip(&jpeg_buffer, length); |
| 1186 | break; |
| 1187 | |
| 1188 | case DHT: |
| 1189 | if (get_word_be(&jpeg_buffer, &word)) |
| 1190 | break; |
| 1191 | length = (long)word - 2; |
| 1192 | if (!length) |
| 1193 | return false; |
| 1194 | if (n_dht >= S5P_JPEG_MAX_MARKER) |
| 1195 | return false; |
| 1196 | dht[n_dht] = jpeg_buffer.curr; /* after 0xffc4 */ |
| 1197 | dht_len[n_dht++] = length; |
| 1198 | skip(&jpeg_buffer, length); |
| 1199 | break; |
| 1200 | |
| 1201 | case SOS: |
| 1202 | sos = jpeg_buffer.curr - 2; /* 0xffda */ |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 1203 | break; |
| 1204 | |
| 1205 | /* skip payload-less markers */ |
| 1206 | case RST ... RST + 7: |
| 1207 | case SOI: |
| 1208 | case EOI: |
| 1209 | case TEM: |
| 1210 | break; |
| 1211 | |
| 1212 | /* skip uninteresting payload markers */ |
| 1213 | default: |
| 1214 | if (get_word_be(&jpeg_buffer, &word)) |
| 1215 | break; |
| 1216 | length = (long)word - 2; |
| 1217 | skip(&jpeg_buffer, length); |
| 1218 | break; |
| 1219 | } |
| 1220 | } |
Thierry Escande | fe8a57b | 2017-06-30 10:15:42 -0400 | [diff] [blame] | 1221 | |
Thierry Escande | c8d36a8 | 2017-06-30 10:15:44 -0400 | [diff] [blame] | 1222 | if (notfound || !sos || !s5p_jpeg_subsampling_decode(ctx, subsampling)) |
Thierry Escande | fe8a57b | 2017-06-30 10:15:42 -0400 | [diff] [blame] | 1223 | return false; |
Jacek Anaszewski | f843396 | 2013-11-21 13:33:09 -0300 | [diff] [blame] | 1224 | |
Thierry Escande | fe8a57b | 2017-06-30 10:15:42 -0400 | [diff] [blame] | 1225 | result->w = width; |
| 1226 | result->h = height; |
| 1227 | result->sos = sos; |
| 1228 | result->dht.n = n_dht; |
| 1229 | while (n_dht--) { |
| 1230 | result->dht.marker[n_dht] = dht[n_dht]; |
| 1231 | result->dht.len[n_dht] = dht_len[n_dht]; |
| 1232 | } |
| 1233 | result->dqt.n = n_dqt; |
| 1234 | while (n_dqt--) { |
| 1235 | result->dqt.marker[n_dqt] = dqt[n_dqt]; |
| 1236 | result->dqt.len[n_dqt] = dqt_len[n_dqt]; |
| 1237 | } |
| 1238 | result->sof = sof; |
| 1239 | result->sof_len = sof_len; |
Thierry Escande | fe8a57b | 2017-06-30 10:15:42 -0400 | [diff] [blame] | 1240 | |
| 1241 | return true; |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 1242 | } |
| 1243 | |
| 1244 | static int s5p_jpeg_querycap(struct file *file, void *priv, |
| 1245 | struct v4l2_capability *cap) |
| 1246 | { |
Sylwester Nawrocki | 275de24 | 2012-02-17 11:38:09 -0300 | [diff] [blame] | 1247 | struct s5p_jpeg_ctx *ctx = fh_to_ctx(priv); |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 1248 | |
| 1249 | if (ctx->mode == S5P_JPEG_ENCODE) { |
Mauro Carvalho Chehab | c0decac | 2018-09-10 08:19:14 -0400 | [diff] [blame] | 1250 | strscpy(cap->driver, S5P_JPEG_M2M_NAME, |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 1251 | sizeof(cap->driver)); |
Mauro Carvalho Chehab | c0decac | 2018-09-10 08:19:14 -0400 | [diff] [blame] | 1252 | strscpy(cap->card, S5P_JPEG_M2M_NAME " encoder", |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 1253 | sizeof(cap->card)); |
| 1254 | } else { |
Mauro Carvalho Chehab | c0decac | 2018-09-10 08:19:14 -0400 | [diff] [blame] | 1255 | strscpy(cap->driver, S5P_JPEG_M2M_NAME, |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 1256 | sizeof(cap->driver)); |
Mauro Carvalho Chehab | c0decac | 2018-09-10 08:19:14 -0400 | [diff] [blame] | 1257 | strscpy(cap->card, S5P_JPEG_M2M_NAME " decoder", |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 1258 | sizeof(cap->card)); |
| 1259 | } |
Javier Martinez Canillas | 3b2aa38 | 2016-06-16 18:40:32 -0300 | [diff] [blame] | 1260 | snprintf(cap->bus_info, sizeof(cap->bus_info), "platform:%s", |
| 1261 | dev_name(ctx->jpeg->dev)); |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 1262 | return 0; |
| 1263 | } |
| 1264 | |
Pawe? Chmiel | 49710c3 | 2018-12-29 10:46:01 -0500 | [diff] [blame] | 1265 | static int enum_fmt(struct s5p_jpeg_ctx *ctx, |
| 1266 | struct s5p_jpeg_fmt *sjpeg_formats, int n, |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 1267 | struct v4l2_fmtdesc *f, u32 type) |
| 1268 | { |
| 1269 | int i, num = 0; |
Pawe? Chmiel | 49710c3 | 2018-12-29 10:46:01 -0500 | [diff] [blame] | 1270 | unsigned int fmt_ver_flag = ctx->jpeg->variant->fmt_ver_flag; |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 1271 | |
| 1272 | for (i = 0; i < n; ++i) { |
Pawe? Chmiel | 49710c3 | 2018-12-29 10:46:01 -0500 | [diff] [blame] | 1273 | if (sjpeg_formats[i].flags & type && |
| 1274 | sjpeg_formats[i].flags & fmt_ver_flag) { |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 1275 | /* index-th format of type type found ? */ |
| 1276 | if (num == f->index) |
| 1277 | break; |
| 1278 | /* Correct type but haven't reached our index yet, |
Shuah Khan | 605b892 | 2016-07-14 17:01:56 -0300 | [diff] [blame] | 1279 | * just increment per-type index |
| 1280 | */ |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 1281 | ++num; |
| 1282 | } |
| 1283 | } |
| 1284 | |
| 1285 | /* Format not found */ |
| 1286 | if (i >= n) |
| 1287 | return -EINVAL; |
| 1288 | |
Jacek Anaszewski | 80529ae5 | 2013-12-18 11:04:44 -0300 | [diff] [blame] | 1289 | f->pixelformat = sjpeg_formats[i].fourcc; |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 1290 | |
| 1291 | return 0; |
| 1292 | } |
| 1293 | |
| 1294 | static int s5p_jpeg_enum_fmt_vid_cap(struct file *file, void *priv, |
| 1295 | struct v4l2_fmtdesc *f) |
| 1296 | { |
Sylwester Nawrocki | 275de24 | 2012-02-17 11:38:09 -0300 | [diff] [blame] | 1297 | struct s5p_jpeg_ctx *ctx = fh_to_ctx(priv); |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 1298 | |
| 1299 | if (ctx->mode == S5P_JPEG_ENCODE) |
Pawe? Chmiel | 49710c3 | 2018-12-29 10:46:01 -0500 | [diff] [blame] | 1300 | return enum_fmt(ctx, sjpeg_formats, SJPEG_NUM_FORMATS, f, |
Jacek Anaszewski | 80529ae5 | 2013-12-18 11:04:44 -0300 | [diff] [blame] | 1301 | SJPEG_FMT_FLAG_ENC_CAPTURE); |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 1302 | |
Pawe? Chmiel | 49710c3 | 2018-12-29 10:46:01 -0500 | [diff] [blame] | 1303 | return enum_fmt(ctx, sjpeg_formats, SJPEG_NUM_FORMATS, f, |
| 1304 | SJPEG_FMT_FLAG_DEC_CAPTURE); |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 1305 | } |
| 1306 | |
| 1307 | static int s5p_jpeg_enum_fmt_vid_out(struct file *file, void *priv, |
| 1308 | struct v4l2_fmtdesc *f) |
| 1309 | { |
Sylwester Nawrocki | 275de24 | 2012-02-17 11:38:09 -0300 | [diff] [blame] | 1310 | struct s5p_jpeg_ctx *ctx = fh_to_ctx(priv); |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 1311 | |
| 1312 | if (ctx->mode == S5P_JPEG_ENCODE) |
Pawe? Chmiel | 49710c3 | 2018-12-29 10:46:01 -0500 | [diff] [blame] | 1313 | return enum_fmt(ctx, sjpeg_formats, SJPEG_NUM_FORMATS, f, |
Jacek Anaszewski | 80529ae5 | 2013-12-18 11:04:44 -0300 | [diff] [blame] | 1314 | SJPEG_FMT_FLAG_ENC_OUTPUT); |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 1315 | |
Pawe? Chmiel | 49710c3 | 2018-12-29 10:46:01 -0500 | [diff] [blame] | 1316 | return enum_fmt(ctx, sjpeg_formats, SJPEG_NUM_FORMATS, f, |
| 1317 | SJPEG_FMT_FLAG_DEC_OUTPUT); |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 1318 | } |
| 1319 | |
| 1320 | static struct s5p_jpeg_q_data *get_q_data(struct s5p_jpeg_ctx *ctx, |
| 1321 | enum v4l2_buf_type type) |
| 1322 | { |
| 1323 | if (type == V4L2_BUF_TYPE_VIDEO_OUTPUT) |
| 1324 | return &ctx->out_q; |
| 1325 | if (type == V4L2_BUF_TYPE_VIDEO_CAPTURE) |
| 1326 | return &ctx->cap_q; |
| 1327 | |
| 1328 | return NULL; |
| 1329 | } |
| 1330 | |
| 1331 | static int s5p_jpeg_g_fmt(struct file *file, void *priv, struct v4l2_format *f) |
| 1332 | { |
| 1333 | struct vb2_queue *vq; |
| 1334 | struct s5p_jpeg_q_data *q_data = NULL; |
| 1335 | struct v4l2_pix_format *pix = &f->fmt.pix; |
Sylwester Nawrocki | 275de24 | 2012-02-17 11:38:09 -0300 | [diff] [blame] | 1336 | struct s5p_jpeg_ctx *ct = fh_to_ctx(priv); |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 1337 | |
Sylwester Nawrocki | 718cf4a | 2013-08-25 17:16:56 -0300 | [diff] [blame] | 1338 | vq = v4l2_m2m_get_vq(ct->fh.m2m_ctx, f->type); |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 1339 | if (!vq) |
| 1340 | return -EINVAL; |
| 1341 | |
| 1342 | if (f->type == V4L2_BUF_TYPE_VIDEO_CAPTURE && |
| 1343 | ct->mode == S5P_JPEG_DECODE && !ct->hdr_parsed) |
| 1344 | return -EINVAL; |
| 1345 | q_data = get_q_data(ct, f->type); |
| 1346 | BUG_ON(q_data == NULL); |
| 1347 | |
| 1348 | pix->width = q_data->w; |
| 1349 | pix->height = q_data->h; |
| 1350 | pix->field = V4L2_FIELD_NONE; |
| 1351 | pix->pixelformat = q_data->fmt->fourcc; |
| 1352 | pix->bytesperline = 0; |
| 1353 | if (q_data->fmt->fourcc != V4L2_PIX_FMT_JPEG) { |
| 1354 | u32 bpl = q_data->w; |
Shuah Khan | 605b892 | 2016-07-14 17:01:56 -0300 | [diff] [blame] | 1355 | |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 1356 | if (q_data->fmt->colplanes == 1) |
| 1357 | bpl = (bpl * q_data->fmt->depth) >> 3; |
| 1358 | pix->bytesperline = bpl; |
| 1359 | } |
| 1360 | pix->sizeimage = q_data->size; |
| 1361 | |
| 1362 | return 0; |
| 1363 | } |
| 1364 | |
Jacek Anaszewski | 80529ae5 | 2013-12-18 11:04:44 -0300 | [diff] [blame] | 1365 | static struct s5p_jpeg_fmt *s5p_jpeg_find_format(struct s5p_jpeg_ctx *ctx, |
| 1366 | u32 pixelformat, unsigned int fmt_type) |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 1367 | { |
Jacek Anaszewski | b245168 | 2014-04-10 04:32:11 -0300 | [diff] [blame] | 1368 | unsigned int k, fmt_flag; |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 1369 | |
Jacek Anaszewski | 80529ae5 | 2013-12-18 11:04:44 -0300 | [diff] [blame] | 1370 | if (ctx->mode == S5P_JPEG_ENCODE) |
| 1371 | fmt_flag = (fmt_type == FMT_TYPE_OUTPUT) ? |
| 1372 | SJPEG_FMT_FLAG_ENC_OUTPUT : |
| 1373 | SJPEG_FMT_FLAG_ENC_CAPTURE; |
| 1374 | else |
| 1375 | fmt_flag = (fmt_type == FMT_TYPE_OUTPUT) ? |
| 1376 | SJPEG_FMT_FLAG_DEC_OUTPUT : |
| 1377 | SJPEG_FMT_FLAG_DEC_CAPTURE; |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 1378 | |
Jacek Anaszewski | 80529ae5 | 2013-12-18 11:04:44 -0300 | [diff] [blame] | 1379 | for (k = 0; k < ARRAY_SIZE(sjpeg_formats); k++) { |
| 1380 | struct s5p_jpeg_fmt *fmt = &sjpeg_formats[k]; |
Shuah Khan | 605b892 | 2016-07-14 17:01:56 -0300 | [diff] [blame] | 1381 | |
Jacek Anaszewski | 80529ae5 | 2013-12-18 11:04:44 -0300 | [diff] [blame] | 1382 | if (fmt->fourcc == pixelformat && |
| 1383 | fmt->flags & fmt_flag && |
Jacek Anaszewski | b245168 | 2014-04-10 04:32:11 -0300 | [diff] [blame] | 1384 | fmt->flags & ctx->jpeg->variant->fmt_ver_flag) { |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 1385 | return fmt; |
Jacek Anaszewski | 80529ae5 | 2013-12-18 11:04:44 -0300 | [diff] [blame] | 1386 | } |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 1387 | } |
| 1388 | |
| 1389 | return NULL; |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 1390 | } |
| 1391 | |
Jacek Anaszewski | e9e7dfe | 2014-07-11 12:19:44 -0300 | [diff] [blame] | 1392 | static void jpeg_bound_align_image(struct s5p_jpeg_ctx *ctx, |
| 1393 | u32 *w, unsigned int wmin, unsigned int wmax, |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 1394 | unsigned int walign, |
| 1395 | u32 *h, unsigned int hmin, unsigned int hmax, |
| 1396 | unsigned int halign) |
| 1397 | { |
| 1398 | int width, height, w_step, h_step; |
| 1399 | |
| 1400 | width = *w; |
| 1401 | height = *h; |
| 1402 | |
| 1403 | w_step = 1 << walign; |
| 1404 | h_step = 1 << halign; |
Jacek Anaszewski | e9e7dfe | 2014-07-11 12:19:44 -0300 | [diff] [blame] | 1405 | |
Andrzej Pietrasiewicz | 7c15fd4 | 2015-03-09 09:32:46 -0300 | [diff] [blame] | 1406 | if (ctx->jpeg->variant->hw3250_compat) { |
Jacek Anaszewski | e9e7dfe | 2014-07-11 12:19:44 -0300 | [diff] [blame] | 1407 | /* |
| 1408 | * Rightmost and bottommost pixels are cropped by the |
Andrzej Pietrasiewicz | 7c15fd4 | 2015-03-09 09:32:46 -0300 | [diff] [blame] | 1409 | * Exynos3250/compatible JPEG IP for RGB formats, for the |
| 1410 | * specific width and height values respectively. This |
| 1411 | * assignment will result in v4l_bound_align_image returning |
| 1412 | * dimensions reduced by 1 for the aforementioned cases. |
Jacek Anaszewski | e9e7dfe | 2014-07-11 12:19:44 -0300 | [diff] [blame] | 1413 | */ |
| 1414 | if (w_step == 4 && ((width & 3) == 1)) { |
| 1415 | wmax = width; |
| 1416 | hmax = height; |
| 1417 | } |
| 1418 | } |
| 1419 | |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 1420 | v4l_bound_align_image(w, wmin, wmax, walign, h, hmin, hmax, halign, 0); |
| 1421 | |
| 1422 | if (*w < width && (*w + w_step) < wmax) |
| 1423 | *w += w_step; |
| 1424 | if (*h < height && (*h + h_step) < hmax) |
| 1425 | *h += h_step; |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 1426 | } |
| 1427 | |
| 1428 | static int vidioc_try_fmt(struct v4l2_format *f, struct s5p_jpeg_fmt *fmt, |
| 1429 | struct s5p_jpeg_ctx *ctx, int q_type) |
| 1430 | { |
| 1431 | struct v4l2_pix_format *pix = &f->fmt.pix; |
| 1432 | |
| 1433 | if (pix->field == V4L2_FIELD_ANY) |
| 1434 | pix->field = V4L2_FIELD_NONE; |
| 1435 | else if (pix->field != V4L2_FIELD_NONE) |
| 1436 | return -EINVAL; |
| 1437 | |
| 1438 | /* V4L2 specification suggests the driver corrects the format struct |
Shuah Khan | 605b892 | 2016-07-14 17:01:56 -0300 | [diff] [blame] | 1439 | * if any of the dimensions is unsupported |
| 1440 | */ |
Jacek Anaszewski | 80529ae5 | 2013-12-18 11:04:44 -0300 | [diff] [blame] | 1441 | if (q_type == FMT_TYPE_OUTPUT) |
Jacek Anaszewski | e9e7dfe | 2014-07-11 12:19:44 -0300 | [diff] [blame] | 1442 | jpeg_bound_align_image(ctx, &pix->width, S5P_JPEG_MIN_WIDTH, |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 1443 | S5P_JPEG_MAX_WIDTH, 0, |
| 1444 | &pix->height, S5P_JPEG_MIN_HEIGHT, |
| 1445 | S5P_JPEG_MAX_HEIGHT, 0); |
| 1446 | else |
Jacek Anaszewski | e9e7dfe | 2014-07-11 12:19:44 -0300 | [diff] [blame] | 1447 | jpeg_bound_align_image(ctx, &pix->width, S5P_JPEG_MIN_WIDTH, |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 1448 | S5P_JPEG_MAX_WIDTH, fmt->h_align, |
| 1449 | &pix->height, S5P_JPEG_MIN_HEIGHT, |
| 1450 | S5P_JPEG_MAX_HEIGHT, fmt->v_align); |
| 1451 | |
| 1452 | if (fmt->fourcc == V4L2_PIX_FMT_JPEG) { |
| 1453 | if (pix->sizeimage <= 0) |
| 1454 | pix->sizeimage = PAGE_SIZE; |
| 1455 | pix->bytesperline = 0; |
| 1456 | } else { |
| 1457 | u32 bpl = pix->bytesperline; |
| 1458 | |
| 1459 | if (fmt->colplanes > 1 && bpl < pix->width) |
| 1460 | bpl = pix->width; /* planar */ |
| 1461 | |
| 1462 | if (fmt->colplanes == 1 && /* packed */ |
Jacek Anaszewski | cc69090 | 2013-11-25 06:58:10 -0300 | [diff] [blame] | 1463 | (bpl << 3) / fmt->depth < pix->width) |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 1464 | bpl = (pix->width * fmt->depth) >> 3; |
| 1465 | |
| 1466 | pix->bytesperline = bpl; |
| 1467 | pix->sizeimage = (pix->width * pix->height * fmt->depth) >> 3; |
| 1468 | } |
| 1469 | |
| 1470 | return 0; |
| 1471 | } |
| 1472 | |
| 1473 | static int s5p_jpeg_try_fmt_vid_cap(struct file *file, void *priv, |
| 1474 | struct v4l2_format *f) |
| 1475 | { |
Sylwester Nawrocki | 275de24 | 2012-02-17 11:38:09 -0300 | [diff] [blame] | 1476 | struct s5p_jpeg_ctx *ctx = fh_to_ctx(priv); |
Jacek Anaszewski | 337777a | 2013-11-22 06:13:34 -0300 | [diff] [blame] | 1477 | struct v4l2_pix_format *pix = &f->fmt.pix; |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 1478 | struct s5p_jpeg_fmt *fmt; |
Jacek Anaszewski | 337777a | 2013-11-22 06:13:34 -0300 | [diff] [blame] | 1479 | int ret; |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 1480 | |
Jacek Anaszewski | 80529ae5 | 2013-12-18 11:04:44 -0300 | [diff] [blame] | 1481 | fmt = s5p_jpeg_find_format(ctx, f->fmt.pix.pixelformat, |
| 1482 | FMT_TYPE_CAPTURE); |
| 1483 | if (!fmt) { |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 1484 | v4l2_err(&ctx->jpeg->v4l2_dev, |
| 1485 | "Fourcc format (0x%08x) invalid.\n", |
| 1486 | f->fmt.pix.pixelformat); |
| 1487 | return -EINVAL; |
| 1488 | } |
| 1489 | |
Andrzej Pietrasiewicz | 6c96dbb | 2015-09-18 11:20:58 -0300 | [diff] [blame] | 1490 | if (!ctx->jpeg->variant->hw_ex4_compat || ctx->mode != S5P_JPEG_DECODE) |
Jacek Anaszewski | 2caeeb0 | 2014-04-10 04:32:17 -0300 | [diff] [blame] | 1491 | goto exit; |
| 1492 | |
Jacek Anaszewski | 337777a | 2013-11-22 06:13:34 -0300 | [diff] [blame] | 1493 | /* |
| 1494 | * The exynos4x12 device requires resulting YUV image |
| 1495 | * subsampling not to be lower than the input jpeg subsampling. |
| 1496 | * If this requirement is not met then downgrade the requested |
| 1497 | * capture format to the one with subsampling equal to the input jpeg. |
| 1498 | */ |
Jacek Anaszewski | 2caeeb0 | 2014-04-10 04:32:17 -0300 | [diff] [blame] | 1499 | if ((fmt->flags & SJPEG_FMT_NON_RGB) && |
Jacek Anaszewski | 337777a | 2013-11-22 06:13:34 -0300 | [diff] [blame] | 1500 | (fmt->subsampling < ctx->subsampling)) { |
| 1501 | ret = s5p_jpeg_adjust_fourcc_to_subsampling(ctx->subsampling, |
| 1502 | fmt->fourcc, |
| 1503 | &pix->pixelformat, |
| 1504 | ctx); |
| 1505 | if (ret < 0) |
| 1506 | pix->pixelformat = V4L2_PIX_FMT_GREY; |
| 1507 | |
| 1508 | fmt = s5p_jpeg_find_format(ctx, pix->pixelformat, |
| 1509 | FMT_TYPE_CAPTURE); |
| 1510 | } |
| 1511 | |
Jacek Anaszewski | 2caeeb0 | 2014-04-10 04:32:17 -0300 | [diff] [blame] | 1512 | /* |
| 1513 | * Decompression of a JPEG file with 4:2:0 subsampling and odd |
| 1514 | * width to the YUV 4:2:0 compliant formats produces a raw image |
| 1515 | * with broken luma component. Adjust capture format to RGB565 |
| 1516 | * in such a case. |
| 1517 | */ |
| 1518 | if (ctx->subsampling == V4L2_JPEG_CHROMA_SUBSAMPLING_420 && |
| 1519 | (ctx->out_q.w & 1) && |
| 1520 | (pix->pixelformat == V4L2_PIX_FMT_NV12 || |
| 1521 | pix->pixelformat == V4L2_PIX_FMT_NV21 || |
| 1522 | pix->pixelformat == V4L2_PIX_FMT_YUV420)) { |
| 1523 | pix->pixelformat = V4L2_PIX_FMT_RGB565; |
| 1524 | fmt = s5p_jpeg_find_format(ctx, pix->pixelformat, |
| 1525 | FMT_TYPE_CAPTURE); |
| 1526 | } |
| 1527 | |
| 1528 | exit: |
Jacek Anaszewski | 80529ae5 | 2013-12-18 11:04:44 -0300 | [diff] [blame] | 1529 | return vidioc_try_fmt(f, fmt, ctx, FMT_TYPE_CAPTURE); |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 1530 | } |
| 1531 | |
| 1532 | static int s5p_jpeg_try_fmt_vid_out(struct file *file, void *priv, |
| 1533 | struct v4l2_format *f) |
| 1534 | { |
Sylwester Nawrocki | 275de24 | 2012-02-17 11:38:09 -0300 | [diff] [blame] | 1535 | struct s5p_jpeg_ctx *ctx = fh_to_ctx(priv); |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 1536 | struct s5p_jpeg_fmt *fmt; |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 1537 | |
Jacek Anaszewski | 80529ae5 | 2013-12-18 11:04:44 -0300 | [diff] [blame] | 1538 | fmt = s5p_jpeg_find_format(ctx, f->fmt.pix.pixelformat, |
| 1539 | FMT_TYPE_OUTPUT); |
| 1540 | if (!fmt) { |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 1541 | v4l2_err(&ctx->jpeg->v4l2_dev, |
| 1542 | "Fourcc format (0x%08x) invalid.\n", |
| 1543 | f->fmt.pix.pixelformat); |
| 1544 | return -EINVAL; |
| 1545 | } |
| 1546 | |
Jacek Anaszewski | 80529ae5 | 2013-12-18 11:04:44 -0300 | [diff] [blame] | 1547 | return vidioc_try_fmt(f, fmt, ctx, FMT_TYPE_OUTPUT); |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 1548 | } |
| 1549 | |
Jacek Anaszewski | b2254d6 | 2014-04-10 04:32:16 -0300 | [diff] [blame] | 1550 | static int exynos4_jpeg_get_output_buffer_size(struct s5p_jpeg_ctx *ctx, |
| 1551 | struct v4l2_format *f, |
| 1552 | int fmt_depth) |
| 1553 | { |
| 1554 | struct v4l2_pix_format *pix = &f->fmt.pix; |
| 1555 | u32 pix_fmt = f->fmt.pix.pixelformat; |
| 1556 | int w = pix->width, h = pix->height, wh_align; |
Andrzej Pietrasiewicz | 77401dd | 2015-12-08 12:39:08 -0200 | [diff] [blame] | 1557 | int padding = 0; |
Jacek Anaszewski | b2254d6 | 2014-04-10 04:32:16 -0300 | [diff] [blame] | 1558 | |
| 1559 | if (pix_fmt == V4L2_PIX_FMT_RGB32 || |
Andrzej Pietrasiewicz | 77401dd | 2015-12-08 12:39:08 -0200 | [diff] [blame] | 1560 | pix_fmt == V4L2_PIX_FMT_RGB565 || |
Jacek Anaszewski | b2254d6 | 2014-04-10 04:32:16 -0300 | [diff] [blame] | 1561 | pix_fmt == V4L2_PIX_FMT_NV24 || |
| 1562 | pix_fmt == V4L2_PIX_FMT_NV42 || |
| 1563 | pix_fmt == V4L2_PIX_FMT_NV12 || |
| 1564 | pix_fmt == V4L2_PIX_FMT_NV21 || |
| 1565 | pix_fmt == V4L2_PIX_FMT_YUV420) |
| 1566 | wh_align = 4; |
| 1567 | else |
| 1568 | wh_align = 1; |
| 1569 | |
Jacek Anaszewski | e9e7dfe | 2014-07-11 12:19:44 -0300 | [diff] [blame] | 1570 | jpeg_bound_align_image(ctx, &w, S5P_JPEG_MIN_WIDTH, |
Jacek Anaszewski | b2254d6 | 2014-04-10 04:32:16 -0300 | [diff] [blame] | 1571 | S5P_JPEG_MAX_WIDTH, wh_align, |
| 1572 | &h, S5P_JPEG_MIN_HEIGHT, |
| 1573 | S5P_JPEG_MAX_HEIGHT, wh_align); |
| 1574 | |
Andrzej Pietrasiewicz | 77401dd | 2015-12-08 12:39:08 -0200 | [diff] [blame] | 1575 | if (ctx->jpeg->variant->version == SJPEG_EXYNOS4) |
| 1576 | padding = PAGE_SIZE; |
| 1577 | |
| 1578 | return (w * h * fmt_depth >> 3) + padding; |
Jacek Anaszewski | b2254d6 | 2014-04-10 04:32:16 -0300 | [diff] [blame] | 1579 | } |
| 1580 | |
Jacek Anaszewski | 5a71671 | 2014-07-11 12:19:47 -0300 | [diff] [blame] | 1581 | static int exynos3250_jpeg_try_downscale(struct s5p_jpeg_ctx *ctx, |
| 1582 | struct v4l2_rect *r); |
| 1583 | |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 1584 | static int s5p_jpeg_s_fmt(struct s5p_jpeg_ctx *ct, struct v4l2_format *f) |
| 1585 | { |
| 1586 | struct vb2_queue *vq; |
| 1587 | struct s5p_jpeg_q_data *q_data = NULL; |
| 1588 | struct v4l2_pix_format *pix = &f->fmt.pix; |
Jacek Anaszewski | 4a30d30 | 2013-11-21 13:33:52 -0300 | [diff] [blame] | 1589 | struct v4l2_ctrl *ctrl_subs; |
Jacek Anaszewski | 5a71671 | 2014-07-11 12:19:47 -0300 | [diff] [blame] | 1590 | struct v4l2_rect scale_rect; |
Jacek Anaszewski | 80529ae5 | 2013-12-18 11:04:44 -0300 | [diff] [blame] | 1591 | unsigned int f_type; |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 1592 | |
Sylwester Nawrocki | 718cf4a | 2013-08-25 17:16:56 -0300 | [diff] [blame] | 1593 | vq = v4l2_m2m_get_vq(ct->fh.m2m_ctx, f->type); |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 1594 | if (!vq) |
| 1595 | return -EINVAL; |
| 1596 | |
| 1597 | q_data = get_q_data(ct, f->type); |
| 1598 | BUG_ON(q_data == NULL); |
| 1599 | |
| 1600 | if (vb2_is_busy(vq)) { |
| 1601 | v4l2_err(&ct->jpeg->v4l2_dev, "%s queue busy\n", __func__); |
| 1602 | return -EBUSY; |
| 1603 | } |
| 1604 | |
Jacek Anaszewski | 80529ae5 | 2013-12-18 11:04:44 -0300 | [diff] [blame] | 1605 | f_type = V4L2_TYPE_IS_OUTPUT(f->type) ? |
| 1606 | FMT_TYPE_OUTPUT : FMT_TYPE_CAPTURE; |
| 1607 | |
| 1608 | q_data->fmt = s5p_jpeg_find_format(ct, pix->pixelformat, f_type); |
Andrzej Pietrasiewicz | 19dc3e0 | 2017-08-11 07:50:01 -0400 | [diff] [blame] | 1609 | if (ct->mode == S5P_JPEG_ENCODE || |
| 1610 | (ct->mode == S5P_JPEG_DECODE && |
| 1611 | q_data->fmt->fourcc != V4L2_PIX_FMT_JPEG)) { |
| 1612 | q_data->w = pix->width; |
| 1613 | q_data->h = pix->height; |
| 1614 | } |
Jacek Anaszewski | b2254d6 | 2014-04-10 04:32:16 -0300 | [diff] [blame] | 1615 | if (q_data->fmt->fourcc != V4L2_PIX_FMT_JPEG) { |
| 1616 | /* |
| 1617 | * During encoding Exynos4x12 SoCs access wider memory area |
| 1618 | * than it results from Image_x and Image_y values written to |
| 1619 | * the JPEG_IMAGE_SIZE register. In order to avoid sysmmu |
| 1620 | * page fault calculate proper buffer size in such a case. |
| 1621 | */ |
Andrzej Pietrasiewicz | 6c96dbb | 2015-09-18 11:20:58 -0300 | [diff] [blame] | 1622 | if (ct->jpeg->variant->hw_ex4_compat && |
Jacek Anaszewski | b2254d6 | 2014-04-10 04:32:16 -0300 | [diff] [blame] | 1623 | f_type == FMT_TYPE_OUTPUT && ct->mode == S5P_JPEG_ENCODE) |
| 1624 | q_data->size = exynos4_jpeg_get_output_buffer_size(ct, |
| 1625 | f, |
| 1626 | q_data->fmt->depth); |
| 1627 | else |
| 1628 | q_data->size = q_data->w * q_data->h * |
| 1629 | q_data->fmt->depth >> 3; |
| 1630 | } else { |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 1631 | q_data->size = pix->sizeimage; |
Jacek Anaszewski | b2254d6 | 2014-04-10 04:32:16 -0300 | [diff] [blame] | 1632 | } |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 1633 | |
Jacek Anaszewski | 4a30d30 | 2013-11-21 13:33:52 -0300 | [diff] [blame] | 1634 | if (f_type == FMT_TYPE_OUTPUT) { |
| 1635 | ctrl_subs = v4l2_ctrl_find(&ct->ctrl_handler, |
| 1636 | V4L2_CID_JPEG_CHROMA_SUBSAMPLING); |
| 1637 | if (ctrl_subs) |
| 1638 | v4l2_ctrl_s_ctrl(ctrl_subs, q_data->fmt->subsampling); |
Jacek Anaszewski | dfd9690 | 2014-07-11 12:19:46 -0300 | [diff] [blame] | 1639 | ct->crop_altered = false; |
| 1640 | } |
| 1641 | |
| 1642 | /* |
| 1643 | * For decoding init crop_rect with capture buffer dimmensions which |
| 1644 | * contain aligned dimensions of the input JPEG image and do it only |
| 1645 | * if crop rectangle hasn't been altered by the user space e.g. with |
| 1646 | * S_SELECTION ioctl. For encoding assign output buffer dimensions. |
| 1647 | */ |
| 1648 | if (!ct->crop_altered && |
| 1649 | ((ct->mode == S5P_JPEG_DECODE && f_type == FMT_TYPE_CAPTURE) || |
| 1650 | (ct->mode == S5P_JPEG_ENCODE && f_type == FMT_TYPE_OUTPUT))) { |
| 1651 | ct->crop_rect.width = pix->width; |
| 1652 | ct->crop_rect.height = pix->height; |
| 1653 | } |
Jacek Anaszewski | 5a71671 | 2014-07-11 12:19:47 -0300 | [diff] [blame] | 1654 | |
| 1655 | /* |
| 1656 | * Prevent downscaling to YUV420 format by more than 2 |
Andrzej Pietrasiewicz | 7c15fd4 | 2015-03-09 09:32:46 -0300 | [diff] [blame] | 1657 | * for Exynos3250/compatible SoC as it produces broken raw image |
Jacek Anaszewski | 5a71671 | 2014-07-11 12:19:47 -0300 | [diff] [blame] | 1658 | * in such cases. |
| 1659 | */ |
| 1660 | if (ct->mode == S5P_JPEG_DECODE && |
| 1661 | f_type == FMT_TYPE_CAPTURE && |
Andrzej Pietrasiewicz | 7c15fd4 | 2015-03-09 09:32:46 -0300 | [diff] [blame] | 1662 | ct->jpeg->variant->hw3250_compat && |
Jacek Anaszewski | 5a71671 | 2014-07-11 12:19:47 -0300 | [diff] [blame] | 1663 | pix->pixelformat == V4L2_PIX_FMT_YUV420 && |
| 1664 | ct->scale_factor > 2) { |
| 1665 | scale_rect.width = ct->out_q.w / 2; |
| 1666 | scale_rect.height = ct->out_q.h / 2; |
| 1667 | exynos3250_jpeg_try_downscale(ct, &scale_rect); |
Jacek Anaszewski | 4a30d30 | 2013-11-21 13:33:52 -0300 | [diff] [blame] | 1668 | } |
| 1669 | |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 1670 | return 0; |
| 1671 | } |
| 1672 | |
| 1673 | static int s5p_jpeg_s_fmt_vid_cap(struct file *file, void *priv, |
| 1674 | struct v4l2_format *f) |
| 1675 | { |
| 1676 | int ret; |
| 1677 | |
| 1678 | ret = s5p_jpeg_try_fmt_vid_cap(file, priv, f); |
| 1679 | if (ret) |
| 1680 | return ret; |
| 1681 | |
Sylwester Nawrocki | 275de24 | 2012-02-17 11:38:09 -0300 | [diff] [blame] | 1682 | return s5p_jpeg_s_fmt(fh_to_ctx(priv), f); |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 1683 | } |
| 1684 | |
| 1685 | static int s5p_jpeg_s_fmt_vid_out(struct file *file, void *priv, |
| 1686 | struct v4l2_format *f) |
| 1687 | { |
| 1688 | int ret; |
| 1689 | |
| 1690 | ret = s5p_jpeg_try_fmt_vid_out(file, priv, f); |
| 1691 | if (ret) |
| 1692 | return ret; |
| 1693 | |
Sylwester Nawrocki | 275de24 | 2012-02-17 11:38:09 -0300 | [diff] [blame] | 1694 | return s5p_jpeg_s_fmt(fh_to_ctx(priv), f); |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 1695 | } |
| 1696 | |
henryhsu | 1c84e7f | 2017-06-30 10:15:46 -0400 | [diff] [blame] | 1697 | static int s5p_jpeg_subscribe_event(struct v4l2_fh *fh, |
| 1698 | const struct v4l2_event_subscription *sub) |
| 1699 | { |
| 1700 | if (sub->type == V4L2_EVENT_SOURCE_CHANGE) |
| 1701 | return v4l2_src_change_event_subscribe(fh, sub); |
| 1702 | |
| 1703 | return -EINVAL; |
| 1704 | } |
| 1705 | |
Jacek Anaszewski | 3246fda | 2014-07-11 12:19:42 -0300 | [diff] [blame] | 1706 | static int exynos3250_jpeg_try_downscale(struct s5p_jpeg_ctx *ctx, |
| 1707 | struct v4l2_rect *r) |
| 1708 | { |
| 1709 | int w_ratio, h_ratio, scale_factor, cur_ratio, i; |
| 1710 | |
| 1711 | w_ratio = ctx->out_q.w / r->width; |
| 1712 | h_ratio = ctx->out_q.h / r->height; |
| 1713 | |
| 1714 | scale_factor = w_ratio > h_ratio ? w_ratio : h_ratio; |
| 1715 | scale_factor = clamp_val(scale_factor, 1, 8); |
| 1716 | |
| 1717 | /* Align scale ratio to the nearest power of 2 */ |
| 1718 | for (i = 0; i <= 3; ++i) { |
| 1719 | cur_ratio = 1 << i; |
| 1720 | if (scale_factor <= cur_ratio) { |
| 1721 | ctx->scale_factor = cur_ratio; |
| 1722 | break; |
| 1723 | } |
| 1724 | } |
| 1725 | |
| 1726 | r->width = round_down(ctx->out_q.w / ctx->scale_factor, 2); |
| 1727 | r->height = round_down(ctx->out_q.h / ctx->scale_factor, 2); |
| 1728 | |
| 1729 | ctx->crop_rect.width = r->width; |
| 1730 | ctx->crop_rect.height = r->height; |
| 1731 | ctx->crop_rect.left = 0; |
| 1732 | ctx->crop_rect.top = 0; |
| 1733 | |
| 1734 | ctx->crop_altered = true; |
| 1735 | |
| 1736 | return 0; |
| 1737 | } |
| 1738 | |
Jacek Anaszewski | 3246fda | 2014-07-11 12:19:42 -0300 | [diff] [blame] | 1739 | static int exynos3250_jpeg_try_crop(struct s5p_jpeg_ctx *ctx, |
| 1740 | struct v4l2_rect *r) |
| 1741 | { |
| 1742 | struct v4l2_rect base_rect; |
| 1743 | int w_step, h_step; |
| 1744 | |
| 1745 | switch (ctx->cap_q.fmt->fourcc) { |
| 1746 | case V4L2_PIX_FMT_NV12: |
| 1747 | case V4L2_PIX_FMT_NV21: |
| 1748 | w_step = 1; |
| 1749 | h_step = 2; |
| 1750 | break; |
| 1751 | case V4L2_PIX_FMT_YUV420: |
| 1752 | w_step = 2; |
| 1753 | h_step = 2; |
| 1754 | break; |
| 1755 | default: |
| 1756 | w_step = 1; |
| 1757 | h_step = 1; |
| 1758 | break; |
| 1759 | } |
| 1760 | |
| 1761 | base_rect.top = 0; |
| 1762 | base_rect.left = 0; |
| 1763 | base_rect.width = ctx->out_q.w; |
| 1764 | base_rect.height = ctx->out_q.h; |
| 1765 | |
| 1766 | r->width = round_down(r->width, w_step); |
| 1767 | r->height = round_down(r->height, h_step); |
| 1768 | r->left = round_down(r->left, 2); |
| 1769 | r->top = round_down(r->top, 2); |
| 1770 | |
Benoit Parrot | 030b161 | 2020-05-28 15:26:05 +0200 | [diff] [blame] | 1771 | if (!v4l2_rect_enclosed(r, &base_rect)) |
Jacek Anaszewski | 3246fda | 2014-07-11 12:19:42 -0300 | [diff] [blame] | 1772 | return -EINVAL; |
| 1773 | |
| 1774 | ctx->crop_rect.left = r->left; |
| 1775 | ctx->crop_rect.top = r->top; |
| 1776 | ctx->crop_rect.width = r->width; |
| 1777 | ctx->crop_rect.height = r->height; |
| 1778 | |
| 1779 | ctx->crop_altered = true; |
| 1780 | |
| 1781 | return 0; |
| 1782 | } |
| 1783 | |
| 1784 | /* |
| 1785 | * V4L2 controls |
| 1786 | */ |
| 1787 | |
Sachin Kamat | 9f3bd32 | 2012-05-10 03:38:40 -0300 | [diff] [blame] | 1788 | static int s5p_jpeg_g_selection(struct file *file, void *priv, |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 1789 | struct v4l2_selection *s) |
| 1790 | { |
Sylwester Nawrocki | 275de24 | 2012-02-17 11:38:09 -0300 | [diff] [blame] | 1791 | struct s5p_jpeg_ctx *ctx = fh_to_ctx(priv); |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 1792 | |
| 1793 | if (s->type != V4L2_BUF_TYPE_VIDEO_OUTPUT && |
Jacek Anaszewski | 38a6ef3 | 2014-04-10 04:32:15 -0300 | [diff] [blame] | 1794 | s->type != V4L2_BUF_TYPE_VIDEO_CAPTURE) |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 1795 | return -EINVAL; |
| 1796 | |
| 1797 | /* For JPEG blob active == default == bounds */ |
| 1798 | switch (s->target) { |
Sylwester Nawrocki | c133482 | 2012-05-20 11:17:12 -0300 | [diff] [blame] | 1799 | case V4L2_SEL_TGT_CROP: |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 1800 | case V4L2_SEL_TGT_CROP_BOUNDS: |
| 1801 | case V4L2_SEL_TGT_CROP_DEFAULT: |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 1802 | case V4L2_SEL_TGT_COMPOSE_DEFAULT: |
| 1803 | s->r.width = ctx->out_q.w; |
| 1804 | s->r.height = ctx->out_q.h; |
Jacek Anaszewski | fac4d96 | 2014-07-11 12:19:45 -0300 | [diff] [blame] | 1805 | s->r.left = 0; |
| 1806 | s->r.top = 0; |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 1807 | break; |
Jacek Anaszewski | fac4d96 | 2014-07-11 12:19:45 -0300 | [diff] [blame] | 1808 | case V4L2_SEL_TGT_COMPOSE: |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 1809 | case V4L2_SEL_TGT_COMPOSE_BOUNDS: |
| 1810 | case V4L2_SEL_TGT_COMPOSE_PADDED: |
Jacek Anaszewski | fac4d96 | 2014-07-11 12:19:45 -0300 | [diff] [blame] | 1811 | s->r.width = ctx->crop_rect.width; |
| 1812 | s->r.height = ctx->crop_rect.height; |
| 1813 | s->r.left = ctx->crop_rect.left; |
| 1814 | s->r.top = ctx->crop_rect.top; |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 1815 | break; |
| 1816 | default: |
| 1817 | return -EINVAL; |
| 1818 | } |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 1819 | return 0; |
| 1820 | } |
| 1821 | |
Sylwester Nawrocki | 15f4bc3 | 2012-02-17 11:39:36 -0300 | [diff] [blame] | 1822 | /* |
| 1823 | * V4L2 controls |
| 1824 | */ |
Jacek Anaszewski | 3246fda | 2014-07-11 12:19:42 -0300 | [diff] [blame] | 1825 | static int s5p_jpeg_s_selection(struct file *file, void *fh, |
| 1826 | struct v4l2_selection *s) |
| 1827 | { |
| 1828 | struct s5p_jpeg_ctx *ctx = fh_to_ctx(file->private_data); |
| 1829 | struct v4l2_rect *rect = &s->r; |
| 1830 | int ret = -EINVAL; |
| 1831 | |
| 1832 | if (s->type != V4L2_BUF_TYPE_VIDEO_CAPTURE) |
| 1833 | return -EINVAL; |
| 1834 | |
| 1835 | if (s->target == V4L2_SEL_TGT_COMPOSE) { |
| 1836 | if (ctx->mode != S5P_JPEG_DECODE) |
| 1837 | return -EINVAL; |
Andrzej Pietrasiewicz | 7c15fd4 | 2015-03-09 09:32:46 -0300 | [diff] [blame] | 1838 | if (ctx->jpeg->variant->hw3250_compat) |
Jacek Anaszewski | 3246fda | 2014-07-11 12:19:42 -0300 | [diff] [blame] | 1839 | ret = exynos3250_jpeg_try_downscale(ctx, rect); |
| 1840 | } else if (s->target == V4L2_SEL_TGT_CROP) { |
| 1841 | if (ctx->mode != S5P_JPEG_ENCODE) |
| 1842 | return -EINVAL; |
Andrzej Pietrasiewicz | 7c15fd4 | 2015-03-09 09:32:46 -0300 | [diff] [blame] | 1843 | if (ctx->jpeg->variant->hw3250_compat) |
Jacek Anaszewski | 3246fda | 2014-07-11 12:19:42 -0300 | [diff] [blame] | 1844 | ret = exynos3250_jpeg_try_crop(ctx, rect); |
| 1845 | } |
| 1846 | |
| 1847 | return ret; |
| 1848 | } |
Sylwester Nawrocki | 15f4bc3 | 2012-02-17 11:39:36 -0300 | [diff] [blame] | 1849 | |
| 1850 | static int s5p_jpeg_g_volatile_ctrl(struct v4l2_ctrl *ctrl) |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 1851 | { |
Sylwester Nawrocki | 15f4bc3 | 2012-02-17 11:39:36 -0300 | [diff] [blame] | 1852 | struct s5p_jpeg_ctx *ctx = ctrl_to_ctx(ctrl); |
| 1853 | struct s5p_jpeg *jpeg = ctx->jpeg; |
| 1854 | unsigned long flags; |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 1855 | |
Sylwester Nawrocki | 15f4bc3 | 2012-02-17 11:39:36 -0300 | [diff] [blame] | 1856 | switch (ctrl->id) { |
| 1857 | case V4L2_CID_JPEG_CHROMA_SUBSAMPLING: |
| 1858 | spin_lock_irqsave(&jpeg->slock, flags); |
Jacek Anaszewski | 303b0a9 | 2013-12-18 11:14:00 -0300 | [diff] [blame] | 1859 | ctrl->val = s5p_jpeg_to_user_subsampling(ctx); |
Sylwester Nawrocki | 15f4bc3 | 2012-02-17 11:39:36 -0300 | [diff] [blame] | 1860 | spin_unlock_irqrestore(&jpeg->slock, flags); |
| 1861 | break; |
| 1862 | } |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 1863 | |
| 1864 | return 0; |
| 1865 | } |
| 1866 | |
Jacek Anaszewski | 39c344c | 2014-07-11 12:19:48 -0300 | [diff] [blame] | 1867 | static int s5p_jpeg_adjust_subs_ctrl(struct s5p_jpeg_ctx *ctx, int *ctrl_val) |
| 1868 | { |
| 1869 | switch (ctx->jpeg->variant->version) { |
| 1870 | case SJPEG_S5P: |
| 1871 | return 0; |
| 1872 | case SJPEG_EXYNOS3250: |
Andrzej Pietrasiewicz | 7c15fd4 | 2015-03-09 09:32:46 -0300 | [diff] [blame] | 1873 | case SJPEG_EXYNOS5420: |
Jacek Anaszewski | 39c344c | 2014-07-11 12:19:48 -0300 | [diff] [blame] | 1874 | /* |
Andrzej Pietrasiewicz | 7c15fd4 | 2015-03-09 09:32:46 -0300 | [diff] [blame] | 1875 | * The exynos3250/compatible device can produce JPEG image only |
Jacek Anaszewski | 39c344c | 2014-07-11 12:19:48 -0300 | [diff] [blame] | 1876 | * of 4:4:4 subsampling when given RGB32 source image. |
| 1877 | */ |
| 1878 | if (ctx->out_q.fmt->fourcc == V4L2_PIX_FMT_RGB32) |
| 1879 | *ctrl_val = 0; |
| 1880 | break; |
| 1881 | case SJPEG_EXYNOS4: |
| 1882 | /* |
| 1883 | * The exynos4x12 device requires input raw image fourcc |
| 1884 | * to be V4L2_PIX_FMT_GREY if gray jpeg format |
| 1885 | * is to be set. |
| 1886 | */ |
| 1887 | if (ctx->out_q.fmt->fourcc != V4L2_PIX_FMT_GREY && |
| 1888 | *ctrl_val == V4L2_JPEG_CHROMA_SUBSAMPLING_GRAY) |
| 1889 | return -EINVAL; |
| 1890 | break; |
| 1891 | } |
| 1892 | |
| 1893 | /* |
Andrzej Pietrasiewicz | 7c15fd4 | 2015-03-09 09:32:46 -0300 | [diff] [blame] | 1894 | * The exynos4x12 and exynos3250/compatible devices require resulting |
Jacek Anaszewski | 39c344c | 2014-07-11 12:19:48 -0300 | [diff] [blame] | 1895 | * jpeg subsampling not to be lower than the input raw image |
| 1896 | * subsampling. |
| 1897 | */ |
| 1898 | if (ctx->out_q.fmt->subsampling > *ctrl_val) |
| 1899 | *ctrl_val = ctx->out_q.fmt->subsampling; |
| 1900 | |
| 1901 | return 0; |
| 1902 | } |
| 1903 | |
Jacek Anaszewski | 11fbea3 | 2013-11-21 13:34:01 -0300 | [diff] [blame] | 1904 | static int s5p_jpeg_try_ctrl(struct v4l2_ctrl *ctrl) |
| 1905 | { |
| 1906 | struct s5p_jpeg_ctx *ctx = ctrl_to_ctx(ctrl); |
| 1907 | unsigned long flags; |
| 1908 | int ret = 0; |
| 1909 | |
| 1910 | spin_lock_irqsave(&ctx->jpeg->slock, flags); |
| 1911 | |
Jacek Anaszewski | 39c344c | 2014-07-11 12:19:48 -0300 | [diff] [blame] | 1912 | if (ctrl->id == V4L2_CID_JPEG_CHROMA_SUBSAMPLING) |
| 1913 | ret = s5p_jpeg_adjust_subs_ctrl(ctx, &ctrl->val); |
Jacek Anaszewski | 11fbea3 | 2013-11-21 13:34:01 -0300 | [diff] [blame] | 1914 | |
Jacek Anaszewski | 11fbea3 | 2013-11-21 13:34:01 -0300 | [diff] [blame] | 1915 | spin_unlock_irqrestore(&ctx->jpeg->slock, flags); |
| 1916 | return ret; |
| 1917 | } |
| 1918 | |
Sylwester Nawrocki | 15f4bc3 | 2012-02-17 11:39:36 -0300 | [diff] [blame] | 1919 | static int s5p_jpeg_s_ctrl(struct v4l2_ctrl *ctrl) |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 1920 | { |
Sylwester Nawrocki | 15f4bc3 | 2012-02-17 11:39:36 -0300 | [diff] [blame] | 1921 | struct s5p_jpeg_ctx *ctx = ctrl_to_ctx(ctrl); |
| 1922 | unsigned long flags; |
| 1923 | |
| 1924 | spin_lock_irqsave(&ctx->jpeg->slock, flags); |
| 1925 | |
| 1926 | switch (ctrl->id) { |
| 1927 | case V4L2_CID_JPEG_COMPRESSION_QUALITY: |
Jacek Anaszewski | 78e5a3c | 2013-11-25 06:58:08 -0300 | [diff] [blame] | 1928 | ctx->compr_quality = ctrl->val; |
Sylwester Nawrocki | 15f4bc3 | 2012-02-17 11:39:36 -0300 | [diff] [blame] | 1929 | break; |
| 1930 | case V4L2_CID_JPEG_RESTART_INTERVAL: |
| 1931 | ctx->restart_interval = ctrl->val; |
| 1932 | break; |
| 1933 | case V4L2_CID_JPEG_CHROMA_SUBSAMPLING: |
| 1934 | ctx->subsampling = ctrl->val; |
| 1935 | break; |
| 1936 | } |
| 1937 | |
| 1938 | spin_unlock_irqrestore(&ctx->jpeg->slock, flags); |
| 1939 | return 0; |
| 1940 | } |
| 1941 | |
| 1942 | static const struct v4l2_ctrl_ops s5p_jpeg_ctrl_ops = { |
| 1943 | .g_volatile_ctrl = s5p_jpeg_g_volatile_ctrl, |
Jacek Anaszewski | 11fbea3 | 2013-11-21 13:34:01 -0300 | [diff] [blame] | 1944 | .try_ctrl = s5p_jpeg_try_ctrl, |
Sylwester Nawrocki | 15f4bc3 | 2012-02-17 11:39:36 -0300 | [diff] [blame] | 1945 | .s_ctrl = s5p_jpeg_s_ctrl, |
| 1946 | }; |
| 1947 | |
| 1948 | static int s5p_jpeg_controls_create(struct s5p_jpeg_ctx *ctx) |
| 1949 | { |
| 1950 | unsigned int mask = ~0x27; /* 444, 422, 420, GRAY */ |
| 1951 | struct v4l2_ctrl *ctrl; |
Jacek Anaszewski | 088f830 | 2013-11-25 06:58:15 -0300 | [diff] [blame] | 1952 | int ret; |
Sylwester Nawrocki | 15f4bc3 | 2012-02-17 11:39:36 -0300 | [diff] [blame] | 1953 | |
| 1954 | v4l2_ctrl_handler_init(&ctx->ctrl_handler, 3); |
| 1955 | |
| 1956 | if (ctx->mode == S5P_JPEG_ENCODE) { |
| 1957 | v4l2_ctrl_new_std(&ctx->ctrl_handler, &s5p_jpeg_ctrl_ops, |
| 1958 | V4L2_CID_JPEG_COMPRESSION_QUALITY, |
Jacek Anaszewski | 78e5a3c | 2013-11-25 06:58:08 -0300 | [diff] [blame] | 1959 | 0, 3, 1, S5P_JPEG_COMPR_QUAL_WORST); |
Sylwester Nawrocki | 15f4bc3 | 2012-02-17 11:39:36 -0300 | [diff] [blame] | 1960 | |
| 1961 | v4l2_ctrl_new_std(&ctx->ctrl_handler, &s5p_jpeg_ctrl_ops, |
| 1962 | V4L2_CID_JPEG_RESTART_INTERVAL, |
Pawe? Chmiel | 19c624c | 2019-01-09 13:00:41 -0500 | [diff] [blame] | 1963 | 0, 0xffff, 1, 0); |
Jacek Anaszewski | fdf9e2b | 2013-11-21 13:33:41 -0300 | [diff] [blame] | 1964 | if (ctx->jpeg->variant->version == SJPEG_S5P) |
| 1965 | mask = ~0x06; /* 422, 420 */ |
Sylwester Nawrocki | 15f4bc3 | 2012-02-17 11:39:36 -0300 | [diff] [blame] | 1966 | } |
| 1967 | |
| 1968 | ctrl = v4l2_ctrl_new_std_menu(&ctx->ctrl_handler, &s5p_jpeg_ctrl_ops, |
| 1969 | V4L2_CID_JPEG_CHROMA_SUBSAMPLING, |
| 1970 | V4L2_JPEG_CHROMA_SUBSAMPLING_GRAY, mask, |
| 1971 | V4L2_JPEG_CHROMA_SUBSAMPLING_422); |
| 1972 | |
Jacek Anaszewski | 088f830 | 2013-11-25 06:58:15 -0300 | [diff] [blame] | 1973 | if (ctx->ctrl_handler.error) { |
| 1974 | ret = ctx->ctrl_handler.error; |
| 1975 | goto error_free; |
| 1976 | } |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 1977 | |
| 1978 | if (ctx->mode == S5P_JPEG_DECODE) |
Sylwester Nawrocki | 15f4bc3 | 2012-02-17 11:39:36 -0300 | [diff] [blame] | 1979 | ctrl->flags |= V4L2_CTRL_FLAG_VOLATILE | |
| 1980 | V4L2_CTRL_FLAG_READ_ONLY; |
Jacek Anaszewski | 088f830 | 2013-11-25 06:58:15 -0300 | [diff] [blame] | 1981 | |
| 1982 | ret = v4l2_ctrl_handler_setup(&ctx->ctrl_handler); |
| 1983 | if (ret < 0) |
| 1984 | goto error_free; |
| 1985 | |
| 1986 | return ret; |
| 1987 | |
| 1988 | error_free: |
| 1989 | v4l2_ctrl_handler_free(&ctx->ctrl_handler); |
| 1990 | return ret; |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 1991 | } |
| 1992 | |
| 1993 | static const struct v4l2_ioctl_ops s5p_jpeg_ioctl_ops = { |
| 1994 | .vidioc_querycap = s5p_jpeg_querycap, |
| 1995 | |
| 1996 | .vidioc_enum_fmt_vid_cap = s5p_jpeg_enum_fmt_vid_cap, |
| 1997 | .vidioc_enum_fmt_vid_out = s5p_jpeg_enum_fmt_vid_out, |
| 1998 | |
| 1999 | .vidioc_g_fmt_vid_cap = s5p_jpeg_g_fmt, |
| 2000 | .vidioc_g_fmt_vid_out = s5p_jpeg_g_fmt, |
| 2001 | |
| 2002 | .vidioc_try_fmt_vid_cap = s5p_jpeg_try_fmt_vid_cap, |
| 2003 | .vidioc_try_fmt_vid_out = s5p_jpeg_try_fmt_vid_out, |
| 2004 | |
| 2005 | .vidioc_s_fmt_vid_cap = s5p_jpeg_s_fmt_vid_cap, |
| 2006 | .vidioc_s_fmt_vid_out = s5p_jpeg_s_fmt_vid_out, |
| 2007 | |
Sylwester Nawrocki | 718cf4a | 2013-08-25 17:16:56 -0300 | [diff] [blame] | 2008 | .vidioc_reqbufs = v4l2_m2m_ioctl_reqbufs, |
| 2009 | .vidioc_querybuf = v4l2_m2m_ioctl_querybuf, |
| 2010 | .vidioc_qbuf = v4l2_m2m_ioctl_qbuf, |
| 2011 | .vidioc_dqbuf = v4l2_m2m_ioctl_dqbuf, |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 2012 | |
Sylwester Nawrocki | 718cf4a | 2013-08-25 17:16:56 -0300 | [diff] [blame] | 2013 | .vidioc_streamon = v4l2_m2m_ioctl_streamon, |
| 2014 | .vidioc_streamoff = v4l2_m2m_ioctl_streamoff, |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 2015 | |
| 2016 | .vidioc_g_selection = s5p_jpeg_g_selection, |
Jacek Anaszewski | 3246fda | 2014-07-11 12:19:42 -0300 | [diff] [blame] | 2017 | .vidioc_s_selection = s5p_jpeg_s_selection, |
henryhsu | 1c84e7f | 2017-06-30 10:15:46 -0400 | [diff] [blame] | 2018 | |
| 2019 | .vidioc_subscribe_event = s5p_jpeg_subscribe_event, |
| 2020 | .vidioc_unsubscribe_event = v4l2_event_unsubscribe, |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 2021 | }; |
| 2022 | |
| 2023 | /* |
| 2024 | * ============================================================================ |
| 2025 | * mem2mem callbacks |
| 2026 | * ============================================================================ |
| 2027 | */ |
| 2028 | |
| 2029 | static void s5p_jpeg_device_run(void *priv) |
| 2030 | { |
| 2031 | struct s5p_jpeg_ctx *ctx = priv; |
| 2032 | struct s5p_jpeg *jpeg = ctx->jpeg; |
Ezequiel Garcia | 4a88f89 | 2019-02-08 11:17:45 -0500 | [diff] [blame] | 2033 | struct vb2_v4l2_buffer *src_buf, *dst_buf; |
Jacek Anaszewski | b3c932a | 2013-11-25 06:58:14 -0300 | [diff] [blame] | 2034 | unsigned long src_addr, dst_addr, flags; |
| 2035 | |
| 2036 | spin_lock_irqsave(&ctx->jpeg->slock, flags); |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 2037 | |
Sylwester Nawrocki | 718cf4a | 2013-08-25 17:16:56 -0300 | [diff] [blame] | 2038 | src_buf = v4l2_m2m_next_src_buf(ctx->fh.m2m_ctx); |
| 2039 | dst_buf = v4l2_m2m_next_dst_buf(ctx->fh.m2m_ctx); |
Ezequiel Garcia | 4a88f89 | 2019-02-08 11:17:45 -0500 | [diff] [blame] | 2040 | src_addr = vb2_dma_contig_plane_dma_addr(&src_buf->vb2_buf, 0); |
| 2041 | dst_addr = vb2_dma_contig_plane_dma_addr(&dst_buf->vb2_buf, 0); |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 2042 | |
Jacek Anaszewski | 9f7b62d | 2013-12-18 09:32:50 -0300 | [diff] [blame] | 2043 | s5p_jpeg_reset(jpeg->regs); |
| 2044 | s5p_jpeg_poweron(jpeg->regs); |
| 2045 | s5p_jpeg_proc_mode(jpeg->regs, ctx->mode); |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 2046 | if (ctx->mode == S5P_JPEG_ENCODE) { |
| 2047 | if (ctx->out_q.fmt->fourcc == V4L2_PIX_FMT_RGB565) |
Jacek Anaszewski | 9f7b62d | 2013-12-18 09:32:50 -0300 | [diff] [blame] | 2048 | s5p_jpeg_input_raw_mode(jpeg->regs, |
| 2049 | S5P_JPEG_RAW_IN_565); |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 2050 | else |
Jacek Anaszewski | 9f7b62d | 2013-12-18 09:32:50 -0300 | [diff] [blame] | 2051 | s5p_jpeg_input_raw_mode(jpeg->regs, |
| 2052 | S5P_JPEG_RAW_IN_422); |
| 2053 | s5p_jpeg_subsampling_mode(jpeg->regs, ctx->subsampling); |
| 2054 | s5p_jpeg_dri(jpeg->regs, ctx->restart_interval); |
| 2055 | s5p_jpeg_x(jpeg->regs, ctx->out_q.w); |
| 2056 | s5p_jpeg_y(jpeg->regs, ctx->out_q.h); |
| 2057 | s5p_jpeg_imgadr(jpeg->regs, src_addr); |
| 2058 | s5p_jpeg_jpgadr(jpeg->regs, dst_addr); |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 2059 | |
| 2060 | /* ultimately comes from sizeimage from userspace */ |
Jacek Anaszewski | 9f7b62d | 2013-12-18 09:32:50 -0300 | [diff] [blame] | 2061 | s5p_jpeg_enc_stream_int(jpeg->regs, ctx->cap_q.size); |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 2062 | |
| 2063 | /* JPEG RGB to YCbCr conversion matrix */ |
Jacek Anaszewski | 9f7b62d | 2013-12-18 09:32:50 -0300 | [diff] [blame] | 2064 | s5p_jpeg_coef(jpeg->regs, 1, 1, S5P_JPEG_COEF11); |
| 2065 | s5p_jpeg_coef(jpeg->regs, 1, 2, S5P_JPEG_COEF12); |
| 2066 | s5p_jpeg_coef(jpeg->regs, 1, 3, S5P_JPEG_COEF13); |
| 2067 | s5p_jpeg_coef(jpeg->regs, 2, 1, S5P_JPEG_COEF21); |
| 2068 | s5p_jpeg_coef(jpeg->regs, 2, 2, S5P_JPEG_COEF22); |
| 2069 | s5p_jpeg_coef(jpeg->regs, 2, 3, S5P_JPEG_COEF23); |
| 2070 | s5p_jpeg_coef(jpeg->regs, 3, 1, S5P_JPEG_COEF31); |
| 2071 | s5p_jpeg_coef(jpeg->regs, 3, 2, S5P_JPEG_COEF32); |
| 2072 | s5p_jpeg_coef(jpeg->regs, 3, 3, S5P_JPEG_COEF33); |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 2073 | |
| 2074 | /* |
| 2075 | * JPEG IP allows storing 4 quantization tables |
| 2076 | * We fill table 0 for luma and table 1 for chroma |
| 2077 | */ |
Jacek Anaszewski | 31dc0ac | 2013-11-25 06:58:12 -0300 | [diff] [blame] | 2078 | s5p_jpeg_set_qtbl_lum(jpeg->regs, ctx->compr_quality); |
| 2079 | s5p_jpeg_set_qtbl_chr(jpeg->regs, ctx->compr_quality); |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 2080 | /* use table 0 for Y */ |
Jacek Anaszewski | 9f7b62d | 2013-12-18 09:32:50 -0300 | [diff] [blame] | 2081 | s5p_jpeg_qtbl(jpeg->regs, 1, 0); |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 2082 | /* use table 1 for Cb and Cr*/ |
Jacek Anaszewski | 9f7b62d | 2013-12-18 09:32:50 -0300 | [diff] [blame] | 2083 | s5p_jpeg_qtbl(jpeg->regs, 2, 1); |
| 2084 | s5p_jpeg_qtbl(jpeg->regs, 3, 1); |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 2085 | |
| 2086 | /* Y, Cb, Cr use Huffman table 0 */ |
Jacek Anaszewski | 9f7b62d | 2013-12-18 09:32:50 -0300 | [diff] [blame] | 2087 | s5p_jpeg_htbl_ac(jpeg->regs, 1); |
| 2088 | s5p_jpeg_htbl_dc(jpeg->regs, 1); |
| 2089 | s5p_jpeg_htbl_ac(jpeg->regs, 2); |
| 2090 | s5p_jpeg_htbl_dc(jpeg->regs, 2); |
| 2091 | s5p_jpeg_htbl_ac(jpeg->regs, 3); |
| 2092 | s5p_jpeg_htbl_dc(jpeg->regs, 3); |
Andrzej Pietrasiewicz | fb6f8c0 | 2012-02-20 07:32:25 -0300 | [diff] [blame] | 2093 | } else { /* S5P_JPEG_DECODE */ |
Jacek Anaszewski | 9f7b62d | 2013-12-18 09:32:50 -0300 | [diff] [blame] | 2094 | s5p_jpeg_rst_int_enable(jpeg->regs, true); |
| 2095 | s5p_jpeg_data_num_int_enable(jpeg->regs, true); |
| 2096 | s5p_jpeg_final_mcu_num_int_enable(jpeg->regs, true); |
Andrzej Pietrasiewicz | fb6f8c0 | 2012-02-20 07:32:25 -0300 | [diff] [blame] | 2097 | if (ctx->cap_q.fmt->fourcc == V4L2_PIX_FMT_YUYV) |
Jacek Anaszewski | 9f7b62d | 2013-12-18 09:32:50 -0300 | [diff] [blame] | 2098 | s5p_jpeg_outform_raw(jpeg->regs, S5P_JPEG_RAW_OUT_422); |
Andrzej Pietrasiewicz | fb6f8c0 | 2012-02-20 07:32:25 -0300 | [diff] [blame] | 2099 | else |
Jacek Anaszewski | 9f7b62d | 2013-12-18 09:32:50 -0300 | [diff] [blame] | 2100 | s5p_jpeg_outform_raw(jpeg->regs, S5P_JPEG_RAW_OUT_420); |
| 2101 | s5p_jpeg_jpgadr(jpeg->regs, src_addr); |
| 2102 | s5p_jpeg_imgadr(jpeg->regs, dst_addr); |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 2103 | } |
Sylwester Nawrocki | 15f4bc3 | 2012-02-17 11:39:36 -0300 | [diff] [blame] | 2104 | |
Jacek Anaszewski | 9f7b62d | 2013-12-18 09:32:50 -0300 | [diff] [blame] | 2105 | s5p_jpeg_start(jpeg->regs); |
Jacek Anaszewski | b3c932a | 2013-11-25 06:58:14 -0300 | [diff] [blame] | 2106 | |
| 2107 | spin_unlock_irqrestore(&ctx->jpeg->slock, flags); |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 2108 | } |
| 2109 | |
Jacek Anaszewski | 80529ae5 | 2013-12-18 11:04:44 -0300 | [diff] [blame] | 2110 | static void exynos4_jpeg_set_img_addr(struct s5p_jpeg_ctx *ctx) |
| 2111 | { |
| 2112 | struct s5p_jpeg *jpeg = ctx->jpeg; |
| 2113 | struct s5p_jpeg_fmt *fmt; |
Ezequiel Garcia | 4a88f89 | 2019-02-08 11:17:45 -0500 | [diff] [blame] | 2114 | struct vb2_v4l2_buffer *vb; |
Jacek Anaszewski | 12b0556 | 2015-03-05 10:56:25 -0300 | [diff] [blame] | 2115 | struct s5p_jpeg_addr jpeg_addr = {}; |
Jacek Anaszewski | 80529ae5 | 2013-12-18 11:04:44 -0300 | [diff] [blame] | 2116 | u32 pix_size, padding_bytes = 0; |
| 2117 | |
Tony K Nadackal | cb0c3f5 | 2014-12-17 04:21:21 -0300 | [diff] [blame] | 2118 | jpeg_addr.cb = 0; |
| 2119 | jpeg_addr.cr = 0; |
| 2120 | |
Jacek Anaszewski | 80529ae5 | 2013-12-18 11:04:44 -0300 | [diff] [blame] | 2121 | pix_size = ctx->cap_q.w * ctx->cap_q.h; |
| 2122 | |
| 2123 | if (ctx->mode == S5P_JPEG_ENCODE) { |
| 2124 | vb = v4l2_m2m_next_src_buf(ctx->fh.m2m_ctx); |
| 2125 | fmt = ctx->out_q.fmt; |
| 2126 | if (ctx->out_q.w % 2 && fmt->h_align > 0) |
| 2127 | padding_bytes = ctx->out_q.h; |
| 2128 | } else { |
| 2129 | fmt = ctx->cap_q.fmt; |
| 2130 | vb = v4l2_m2m_next_dst_buf(ctx->fh.m2m_ctx); |
| 2131 | } |
| 2132 | |
Ezequiel Garcia | 4a88f89 | 2019-02-08 11:17:45 -0500 | [diff] [blame] | 2133 | jpeg_addr.y = vb2_dma_contig_plane_dma_addr(&vb->vb2_buf, 0); |
Jacek Anaszewski | 80529ae5 | 2013-12-18 11:04:44 -0300 | [diff] [blame] | 2134 | |
| 2135 | if (fmt->colplanes == 2) { |
| 2136 | jpeg_addr.cb = jpeg_addr.y + pix_size - padding_bytes; |
| 2137 | } else if (fmt->colplanes == 3) { |
| 2138 | jpeg_addr.cb = jpeg_addr.y + pix_size; |
| 2139 | if (fmt->fourcc == V4L2_PIX_FMT_YUV420) |
| 2140 | jpeg_addr.cr = jpeg_addr.cb + pix_size / 4; |
| 2141 | else |
| 2142 | jpeg_addr.cr = jpeg_addr.cb + pix_size / 2; |
| 2143 | } |
| 2144 | |
| 2145 | exynos4_jpeg_set_frame_buf_address(jpeg->regs, &jpeg_addr); |
| 2146 | } |
| 2147 | |
| 2148 | static void exynos4_jpeg_set_jpeg_addr(struct s5p_jpeg_ctx *ctx) |
| 2149 | { |
| 2150 | struct s5p_jpeg *jpeg = ctx->jpeg; |
Ezequiel Garcia | 4a88f89 | 2019-02-08 11:17:45 -0500 | [diff] [blame] | 2151 | struct vb2_v4l2_buffer *vb; |
Jacek Anaszewski | 80529ae5 | 2013-12-18 11:04:44 -0300 | [diff] [blame] | 2152 | unsigned int jpeg_addr = 0; |
| 2153 | |
| 2154 | if (ctx->mode == S5P_JPEG_ENCODE) |
| 2155 | vb = v4l2_m2m_next_dst_buf(ctx->fh.m2m_ctx); |
| 2156 | else |
| 2157 | vb = v4l2_m2m_next_src_buf(ctx->fh.m2m_ctx); |
| 2158 | |
Ezequiel Garcia | 4a88f89 | 2019-02-08 11:17:45 -0500 | [diff] [blame] | 2159 | jpeg_addr = vb2_dma_contig_plane_dma_addr(&vb->vb2_buf, 0); |
Andrzej Pietrasiewicz | 6c96dbb | 2015-09-18 11:20:58 -0300 | [diff] [blame] | 2160 | if (jpeg->variant->version == SJPEG_EXYNOS5433 && |
| 2161 | ctx->mode == S5P_JPEG_DECODE) |
| 2162 | jpeg_addr += ctx->out_q.sos; |
Jacek Anaszewski | 80529ae5 | 2013-12-18 11:04:44 -0300 | [diff] [blame] | 2163 | exynos4_jpeg_set_stream_buf_address(jpeg->regs, jpeg_addr); |
| 2164 | } |
| 2165 | |
Andrzej Pietrasiewicz | 6c96dbb | 2015-09-18 11:20:58 -0300 | [diff] [blame] | 2166 | static inline void exynos4_jpeg_set_img_fmt(void __iomem *base, |
| 2167 | unsigned int img_fmt) |
| 2168 | { |
| 2169 | __exynos4_jpeg_set_img_fmt(base, img_fmt, SJPEG_EXYNOS4); |
| 2170 | } |
| 2171 | |
| 2172 | static inline void exynos5433_jpeg_set_img_fmt(void __iomem *base, |
| 2173 | unsigned int img_fmt) |
| 2174 | { |
| 2175 | __exynos4_jpeg_set_img_fmt(base, img_fmt, SJPEG_EXYNOS5433); |
| 2176 | } |
| 2177 | |
| 2178 | static inline void exynos4_jpeg_set_enc_out_fmt(void __iomem *base, |
| 2179 | unsigned int out_fmt) |
| 2180 | { |
| 2181 | __exynos4_jpeg_set_enc_out_fmt(base, out_fmt, SJPEG_EXYNOS4); |
| 2182 | } |
| 2183 | |
| 2184 | static inline void exynos5433_jpeg_set_enc_out_fmt(void __iomem *base, |
| 2185 | unsigned int out_fmt) |
| 2186 | { |
| 2187 | __exynos4_jpeg_set_enc_out_fmt(base, out_fmt, SJPEG_EXYNOS5433); |
| 2188 | } |
| 2189 | |
Jacek Anaszewski | 80529ae5 | 2013-12-18 11:04:44 -0300 | [diff] [blame] | 2190 | static void exynos4_jpeg_device_run(void *priv) |
| 2191 | { |
| 2192 | struct s5p_jpeg_ctx *ctx = priv; |
| 2193 | struct s5p_jpeg *jpeg = ctx->jpeg; |
| 2194 | unsigned int bitstream_size; |
| 2195 | unsigned long flags; |
| 2196 | |
Andrzej Pietrasiewicz | 6c96dbb | 2015-09-18 11:20:58 -0300 | [diff] [blame] | 2197 | spin_lock_irqsave(&jpeg->slock, flags); |
Jacek Anaszewski | 80529ae5 | 2013-12-18 11:04:44 -0300 | [diff] [blame] | 2198 | |
| 2199 | if (ctx->mode == S5P_JPEG_ENCODE) { |
| 2200 | exynos4_jpeg_sw_reset(jpeg->regs); |
Andrzej Pietrasiewicz | 6c96dbb | 2015-09-18 11:20:58 -0300 | [diff] [blame] | 2201 | exynos4_jpeg_set_interrupt(jpeg->regs, jpeg->variant->version); |
Jacek Anaszewski | 80529ae5 | 2013-12-18 11:04:44 -0300 | [diff] [blame] | 2202 | exynos4_jpeg_set_huf_table_enable(jpeg->regs, 1); |
| 2203 | |
| 2204 | exynos4_jpeg_set_huff_tbl(jpeg->regs); |
| 2205 | |
| 2206 | /* |
| 2207 | * JPEG IP allows storing 4 quantization tables |
| 2208 | * We fill table 0 for luma and table 1 for chroma |
| 2209 | */ |
| 2210 | exynos4_jpeg_set_qtbl_lum(jpeg->regs, ctx->compr_quality); |
| 2211 | exynos4_jpeg_set_qtbl_chr(jpeg->regs, ctx->compr_quality); |
| 2212 | |
| 2213 | exynos4_jpeg_set_encode_tbl_select(jpeg->regs, |
| 2214 | ctx->compr_quality); |
| 2215 | exynos4_jpeg_set_stream_size(jpeg->regs, ctx->cap_q.w, |
| 2216 | ctx->cap_q.h); |
| 2217 | |
Andrzej Pietrasiewicz | 6c96dbb | 2015-09-18 11:20:58 -0300 | [diff] [blame] | 2218 | if (ctx->jpeg->variant->version == SJPEG_EXYNOS4) { |
| 2219 | exynos4_jpeg_set_enc_out_fmt(jpeg->regs, |
| 2220 | ctx->subsampling); |
| 2221 | exynos4_jpeg_set_img_fmt(jpeg->regs, |
| 2222 | ctx->out_q.fmt->fourcc); |
| 2223 | } else { |
| 2224 | exynos5433_jpeg_set_enc_out_fmt(jpeg->regs, |
| 2225 | ctx->subsampling); |
| 2226 | exynos5433_jpeg_set_img_fmt(jpeg->regs, |
| 2227 | ctx->out_q.fmt->fourcc); |
| 2228 | } |
Jacek Anaszewski | 80529ae5 | 2013-12-18 11:04:44 -0300 | [diff] [blame] | 2229 | exynos4_jpeg_set_img_addr(ctx); |
| 2230 | exynos4_jpeg_set_jpeg_addr(ctx); |
| 2231 | exynos4_jpeg_set_encode_hoff_cnt(jpeg->regs, |
| 2232 | ctx->out_q.fmt->fourcc); |
| 2233 | } else { |
| 2234 | exynos4_jpeg_sw_reset(jpeg->regs); |
Andrzej Pietrasiewicz | 6c96dbb | 2015-09-18 11:20:58 -0300 | [diff] [blame] | 2235 | exynos4_jpeg_set_interrupt(jpeg->regs, |
| 2236 | jpeg->variant->version); |
Jacek Anaszewski | 80529ae5 | 2013-12-18 11:04:44 -0300 | [diff] [blame] | 2237 | exynos4_jpeg_set_img_addr(ctx); |
| 2238 | exynos4_jpeg_set_jpeg_addr(ctx); |
Jacek Anaszewski | 80529ae5 | 2013-12-18 11:04:44 -0300 | [diff] [blame] | 2239 | |
Andrzej Pietrasiewicz | 6c96dbb | 2015-09-18 11:20:58 -0300 | [diff] [blame] | 2240 | if (jpeg->variant->version == SJPEG_EXYNOS5433) { |
| 2241 | exynos4_jpeg_parse_huff_tbl(ctx); |
| 2242 | exynos4_jpeg_parse_decode_h_tbl(ctx); |
| 2243 | |
| 2244 | exynos4_jpeg_parse_q_tbl(ctx); |
| 2245 | exynos4_jpeg_parse_decode_q_tbl(ctx); |
| 2246 | |
| 2247 | exynos4_jpeg_set_huf_table_enable(jpeg->regs, 1); |
| 2248 | |
| 2249 | exynos4_jpeg_set_stream_size(jpeg->regs, ctx->cap_q.w, |
| 2250 | ctx->cap_q.h); |
| 2251 | exynos5433_jpeg_set_enc_out_fmt(jpeg->regs, |
| 2252 | ctx->subsampling); |
| 2253 | exynos5433_jpeg_set_img_fmt(jpeg->regs, |
| 2254 | ctx->cap_q.fmt->fourcc); |
| 2255 | bitstream_size = DIV_ROUND_UP(ctx->out_q.size, 16); |
| 2256 | } else { |
| 2257 | exynos4_jpeg_set_img_fmt(jpeg->regs, |
| 2258 | ctx->cap_q.fmt->fourcc); |
| 2259 | bitstream_size = DIV_ROUND_UP(ctx->out_q.size, 32); |
| 2260 | } |
Jacek Anaszewski | 80529ae5 | 2013-12-18 11:04:44 -0300 | [diff] [blame] | 2261 | |
| 2262 | exynos4_jpeg_set_dec_bitstream_size(jpeg->regs, bitstream_size); |
| 2263 | } |
| 2264 | |
Tony K Nadackal | e28e6f7 | 2017-08-08 07:27:04 -0400 | [diff] [blame] | 2265 | exynos4_jpeg_set_sys_int_enable(jpeg->regs, 1); |
Jacek Anaszewski | 80529ae5 | 2013-12-18 11:04:44 -0300 | [diff] [blame] | 2266 | exynos4_jpeg_set_enc_dec_mode(jpeg->regs, ctx->mode); |
| 2267 | |
Andrzej Pietrasiewicz | 6c96dbb | 2015-09-18 11:20:58 -0300 | [diff] [blame] | 2268 | spin_unlock_irqrestore(&jpeg->slock, flags); |
Jacek Anaszewski | 80529ae5 | 2013-12-18 11:04:44 -0300 | [diff] [blame] | 2269 | } |
| 2270 | |
Jacek Anaszewski | 3246fda | 2014-07-11 12:19:42 -0300 | [diff] [blame] | 2271 | static void exynos3250_jpeg_set_img_addr(struct s5p_jpeg_ctx *ctx) |
| 2272 | { |
| 2273 | struct s5p_jpeg *jpeg = ctx->jpeg; |
| 2274 | struct s5p_jpeg_fmt *fmt; |
Ezequiel Garcia | 4a88f89 | 2019-02-08 11:17:45 -0500 | [diff] [blame] | 2275 | struct vb2_v4l2_buffer *vb; |
Jacek Anaszewski | 12b0556 | 2015-03-05 10:56:25 -0300 | [diff] [blame] | 2276 | struct s5p_jpeg_addr jpeg_addr = {}; |
Jacek Anaszewski | 3246fda | 2014-07-11 12:19:42 -0300 | [diff] [blame] | 2277 | u32 pix_size; |
| 2278 | |
| 2279 | pix_size = ctx->cap_q.w * ctx->cap_q.h; |
| 2280 | |
| 2281 | if (ctx->mode == S5P_JPEG_ENCODE) { |
| 2282 | vb = v4l2_m2m_next_src_buf(ctx->fh.m2m_ctx); |
| 2283 | fmt = ctx->out_q.fmt; |
| 2284 | } else { |
| 2285 | vb = v4l2_m2m_next_dst_buf(ctx->fh.m2m_ctx); |
| 2286 | fmt = ctx->cap_q.fmt; |
| 2287 | } |
| 2288 | |
Ezequiel Garcia | 4a88f89 | 2019-02-08 11:17:45 -0500 | [diff] [blame] | 2289 | jpeg_addr.y = vb2_dma_contig_plane_dma_addr(&vb->vb2_buf, 0); |
Jacek Anaszewski | 3246fda | 2014-07-11 12:19:42 -0300 | [diff] [blame] | 2290 | |
| 2291 | if (fmt->colplanes == 2) { |
| 2292 | jpeg_addr.cb = jpeg_addr.y + pix_size; |
| 2293 | } else if (fmt->colplanes == 3) { |
| 2294 | jpeg_addr.cb = jpeg_addr.y + pix_size; |
| 2295 | if (fmt->fourcc == V4L2_PIX_FMT_YUV420) |
| 2296 | jpeg_addr.cr = jpeg_addr.cb + pix_size / 4; |
| 2297 | else |
| 2298 | jpeg_addr.cr = jpeg_addr.cb + pix_size / 2; |
| 2299 | } |
| 2300 | |
| 2301 | exynos3250_jpeg_imgadr(jpeg->regs, &jpeg_addr); |
| 2302 | } |
| 2303 | |
| 2304 | static void exynos3250_jpeg_set_jpeg_addr(struct s5p_jpeg_ctx *ctx) |
| 2305 | { |
| 2306 | struct s5p_jpeg *jpeg = ctx->jpeg; |
Ezequiel Garcia | 4a88f89 | 2019-02-08 11:17:45 -0500 | [diff] [blame] | 2307 | struct vb2_v4l2_buffer *vb; |
Jacek Anaszewski | 3246fda | 2014-07-11 12:19:42 -0300 | [diff] [blame] | 2308 | unsigned int jpeg_addr = 0; |
| 2309 | |
| 2310 | if (ctx->mode == S5P_JPEG_ENCODE) |
| 2311 | vb = v4l2_m2m_next_dst_buf(ctx->fh.m2m_ctx); |
| 2312 | else |
| 2313 | vb = v4l2_m2m_next_src_buf(ctx->fh.m2m_ctx); |
| 2314 | |
Ezequiel Garcia | 4a88f89 | 2019-02-08 11:17:45 -0500 | [diff] [blame] | 2315 | jpeg_addr = vb2_dma_contig_plane_dma_addr(&vb->vb2_buf, 0); |
Jacek Anaszewski | 3246fda | 2014-07-11 12:19:42 -0300 | [diff] [blame] | 2316 | exynos3250_jpeg_jpgadr(jpeg->regs, jpeg_addr); |
| 2317 | } |
| 2318 | |
| 2319 | static void exynos3250_jpeg_device_run(void *priv) |
| 2320 | { |
| 2321 | struct s5p_jpeg_ctx *ctx = priv; |
| 2322 | struct s5p_jpeg *jpeg = ctx->jpeg; |
| 2323 | unsigned long flags; |
| 2324 | |
| 2325 | spin_lock_irqsave(&ctx->jpeg->slock, flags); |
| 2326 | |
| 2327 | exynos3250_jpeg_reset(jpeg->regs); |
| 2328 | exynos3250_jpeg_set_dma_num(jpeg->regs); |
| 2329 | exynos3250_jpeg_poweron(jpeg->regs); |
| 2330 | exynos3250_jpeg_clk_set(jpeg->regs); |
| 2331 | exynos3250_jpeg_proc_mode(jpeg->regs, ctx->mode); |
| 2332 | |
| 2333 | if (ctx->mode == S5P_JPEG_ENCODE) { |
| 2334 | exynos3250_jpeg_input_raw_fmt(jpeg->regs, |
| 2335 | ctx->out_q.fmt->fourcc); |
| 2336 | exynos3250_jpeg_dri(jpeg->regs, ctx->restart_interval); |
| 2337 | |
| 2338 | /* |
| 2339 | * JPEG IP allows storing 4 quantization tables |
| 2340 | * We fill table 0 for luma and table 1 for chroma |
| 2341 | */ |
| 2342 | s5p_jpeg_set_qtbl_lum(jpeg->regs, ctx->compr_quality); |
| 2343 | s5p_jpeg_set_qtbl_chr(jpeg->regs, ctx->compr_quality); |
| 2344 | /* use table 0 for Y */ |
| 2345 | exynos3250_jpeg_qtbl(jpeg->regs, 1, 0); |
| 2346 | /* use table 1 for Cb and Cr*/ |
| 2347 | exynos3250_jpeg_qtbl(jpeg->regs, 2, 1); |
| 2348 | exynos3250_jpeg_qtbl(jpeg->regs, 3, 1); |
| 2349 | |
Andrzej Pietrasiewicz | 7c15fd4 | 2015-03-09 09:32:46 -0300 | [diff] [blame] | 2350 | /* |
| 2351 | * Some SoCs require setting Huffman tables before each run |
| 2352 | */ |
| 2353 | if (jpeg->variant->htbl_reinit) { |
| 2354 | s5p_jpeg_set_hdctbl(jpeg->regs); |
| 2355 | s5p_jpeg_set_hdctblg(jpeg->regs); |
| 2356 | s5p_jpeg_set_hactbl(jpeg->regs); |
| 2357 | s5p_jpeg_set_hactblg(jpeg->regs); |
| 2358 | } |
| 2359 | |
Jacek Anaszewski | 3246fda | 2014-07-11 12:19:42 -0300 | [diff] [blame] | 2360 | /* Y, Cb, Cr use Huffman table 0 */ |
| 2361 | exynos3250_jpeg_htbl_ac(jpeg->regs, 1); |
| 2362 | exynos3250_jpeg_htbl_dc(jpeg->regs, 1); |
| 2363 | exynos3250_jpeg_htbl_ac(jpeg->regs, 2); |
| 2364 | exynos3250_jpeg_htbl_dc(jpeg->regs, 2); |
| 2365 | exynos3250_jpeg_htbl_ac(jpeg->regs, 3); |
| 2366 | exynos3250_jpeg_htbl_dc(jpeg->regs, 3); |
| 2367 | |
| 2368 | exynos3250_jpeg_set_x(jpeg->regs, ctx->crop_rect.width); |
| 2369 | exynos3250_jpeg_set_y(jpeg->regs, ctx->crop_rect.height); |
| 2370 | exynos3250_jpeg_stride(jpeg->regs, ctx->out_q.fmt->fourcc, |
| 2371 | ctx->out_q.w); |
| 2372 | exynos3250_jpeg_offset(jpeg->regs, ctx->crop_rect.left, |
| 2373 | ctx->crop_rect.top); |
| 2374 | exynos3250_jpeg_set_img_addr(ctx); |
| 2375 | exynos3250_jpeg_set_jpeg_addr(ctx); |
| 2376 | exynos3250_jpeg_subsampling_mode(jpeg->regs, ctx->subsampling); |
| 2377 | |
| 2378 | /* ultimately comes from sizeimage from userspace */ |
| 2379 | exynos3250_jpeg_enc_stream_bound(jpeg->regs, ctx->cap_q.size); |
| 2380 | |
| 2381 | if (ctx->out_q.fmt->fourcc == V4L2_PIX_FMT_RGB565 || |
| 2382 | ctx->out_q.fmt->fourcc == V4L2_PIX_FMT_RGB565X || |
| 2383 | ctx->out_q.fmt->fourcc == V4L2_PIX_FMT_RGB32) |
| 2384 | exynos3250_jpeg_set_y16(jpeg->regs, true); |
| 2385 | } else { |
| 2386 | exynos3250_jpeg_set_img_addr(ctx); |
| 2387 | exynos3250_jpeg_set_jpeg_addr(ctx); |
| 2388 | exynos3250_jpeg_stride(jpeg->regs, ctx->cap_q.fmt->fourcc, |
| 2389 | ctx->cap_q.w); |
| 2390 | exynos3250_jpeg_offset(jpeg->regs, 0, 0); |
| 2391 | exynos3250_jpeg_dec_scaling_ratio(jpeg->regs, |
| 2392 | ctx->scale_factor); |
| 2393 | exynos3250_jpeg_dec_stream_size(jpeg->regs, ctx->out_q.size); |
| 2394 | exynos3250_jpeg_output_raw_fmt(jpeg->regs, |
| 2395 | ctx->cap_q.fmt->fourcc); |
| 2396 | } |
| 2397 | |
| 2398 | exynos3250_jpeg_interrupts_enable(jpeg->regs); |
| 2399 | |
| 2400 | /* JPEG RGB to YCbCr conversion matrix */ |
| 2401 | exynos3250_jpeg_coef(jpeg->regs, ctx->mode); |
| 2402 | |
| 2403 | exynos3250_jpeg_set_timer(jpeg->regs, EXYNOS3250_IRQ_TIMEOUT); |
| 2404 | jpeg->irq_status = 0; |
| 2405 | exynos3250_jpeg_start(jpeg->regs); |
| 2406 | |
| 2407 | spin_unlock_irqrestore(&ctx->jpeg->slock, flags); |
| 2408 | } |
| 2409 | |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 2410 | static int s5p_jpeg_job_ready(void *priv) |
| 2411 | { |
| 2412 | struct s5p_jpeg_ctx *ctx = priv; |
| 2413 | |
henryhsu | 1c84e7f | 2017-06-30 10:15:46 -0400 | [diff] [blame] | 2414 | if (ctx->mode == S5P_JPEG_DECODE) { |
| 2415 | /* |
| 2416 | * We have only one input buffer and one output buffer. If there |
| 2417 | * is a resolution change event, no need to continue decoding. |
| 2418 | */ |
| 2419 | if (ctx->state == JPEGCTX_RESOLUTION_CHANGE) |
| 2420 | return 0; |
| 2421 | |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 2422 | return ctx->hdr_parsed; |
henryhsu | 1c84e7f | 2017-06-30 10:15:46 -0400 | [diff] [blame] | 2423 | } |
| 2424 | |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 2425 | return 1; |
| 2426 | } |
| 2427 | |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 2428 | static struct v4l2_m2m_ops s5p_jpeg_m2m_ops = { |
| 2429 | .device_run = s5p_jpeg_device_run, |
| 2430 | .job_ready = s5p_jpeg_job_ready, |
Jacek Anaszewski | 3246fda | 2014-07-11 12:19:42 -0300 | [diff] [blame] | 2431 | }; |
| 2432 | |
| 2433 | static struct v4l2_m2m_ops exynos3250_jpeg_m2m_ops = { |
| 2434 | .device_run = exynos3250_jpeg_device_run, |
| 2435 | .job_ready = s5p_jpeg_job_ready, |
Jacek Anaszewski | 3246fda | 2014-07-11 12:19:42 -0300 | [diff] [blame] | 2436 | }; |
| 2437 | |
Jacek Anaszewski | bf689bb | 2014-04-10 04:32:13 -0300 | [diff] [blame] | 2438 | static struct v4l2_m2m_ops exynos4_jpeg_m2m_ops = { |
Jacek Anaszewski | 80529ae5 | 2013-12-18 11:04:44 -0300 | [diff] [blame] | 2439 | .device_run = exynos4_jpeg_device_run, |
| 2440 | .job_ready = s5p_jpeg_job_ready, |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 2441 | }; |
| 2442 | |
| 2443 | /* |
| 2444 | * ============================================================================ |
| 2445 | * Queue operations |
| 2446 | * ============================================================================ |
| 2447 | */ |
| 2448 | |
Marek Szyprowski | 719c174 | 2012-01-13 05:12:38 -0300 | [diff] [blame] | 2449 | static int s5p_jpeg_queue_setup(struct vb2_queue *vq, |
Marek Szyprowski | 719c174 | 2012-01-13 05:12:38 -0300 | [diff] [blame] | 2450 | unsigned int *nbuffers, unsigned int *nplanes, |
Hans Verkuil | 36c0f8b | 2016-04-15 09:15:05 -0300 | [diff] [blame] | 2451 | unsigned int sizes[], struct device *alloc_devs[]) |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 2452 | { |
| 2453 | struct s5p_jpeg_ctx *ctx = vb2_get_drv_priv(vq); |
| 2454 | struct s5p_jpeg_q_data *q_data = NULL; |
| 2455 | unsigned int size, count = *nbuffers; |
| 2456 | |
| 2457 | q_data = get_q_data(ctx, vq->type); |
| 2458 | BUG_ON(q_data == NULL); |
| 2459 | |
| 2460 | size = q_data->size; |
| 2461 | |
| 2462 | /* |
| 2463 | * header is parsed during decoding and parsed information stored |
| 2464 | * in the context so we do not allow another buffer to overwrite it |
| 2465 | */ |
| 2466 | if (ctx->mode == S5P_JPEG_DECODE) |
| 2467 | count = 1; |
| 2468 | |
| 2469 | *nbuffers = count; |
| 2470 | *nplanes = 1; |
| 2471 | sizes[0] = size; |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 2472 | |
| 2473 | return 0; |
| 2474 | } |
| 2475 | |
| 2476 | static int s5p_jpeg_buf_prepare(struct vb2_buffer *vb) |
| 2477 | { |
| 2478 | struct s5p_jpeg_ctx *ctx = vb2_get_drv_priv(vb->vb2_queue); |
| 2479 | struct s5p_jpeg_q_data *q_data = NULL; |
| 2480 | |
| 2481 | q_data = get_q_data(ctx, vb->vb2_queue->type); |
| 2482 | BUG_ON(q_data == NULL); |
| 2483 | |
| 2484 | if (vb2_plane_size(vb, 0) < q_data->size) { |
| 2485 | pr_err("%s data will not fit into plane (%lu < %lu)\n", |
| 2486 | __func__, vb2_plane_size(vb, 0), |
| 2487 | (long)q_data->size); |
| 2488 | return -EINVAL; |
| 2489 | } |
| 2490 | |
| 2491 | vb2_set_plane_payload(vb, 0, q_data->size); |
| 2492 | |
| 2493 | return 0; |
| 2494 | } |
| 2495 | |
henryhsu | 1c84e7f | 2017-06-30 10:15:46 -0400 | [diff] [blame] | 2496 | static void s5p_jpeg_set_capture_queue_data(struct s5p_jpeg_ctx *ctx) |
| 2497 | { |
| 2498 | struct s5p_jpeg_q_data *q_data = &ctx->cap_q; |
| 2499 | |
| 2500 | q_data->w = ctx->out_q.w; |
| 2501 | q_data->h = ctx->out_q.h; |
| 2502 | |
| 2503 | /* |
| 2504 | * This call to jpeg_bound_align_image() takes care of width and |
| 2505 | * height values alignment when user space calls the QBUF of |
| 2506 | * OUTPUT buffer after the S_FMT of CAPTURE buffer. |
| 2507 | * Please note that on Exynos4x12 SoCs, resigning from executing |
| 2508 | * S_FMT on capture buffer for each JPEG image can result in a |
| 2509 | * hardware hangup if subsampling is lower than the one of input |
| 2510 | * JPEG. |
| 2511 | */ |
| 2512 | jpeg_bound_align_image(ctx, &q_data->w, S5P_JPEG_MIN_WIDTH, |
| 2513 | S5P_JPEG_MAX_WIDTH, q_data->fmt->h_align, |
| 2514 | &q_data->h, S5P_JPEG_MIN_HEIGHT, |
| 2515 | S5P_JPEG_MAX_HEIGHT, q_data->fmt->v_align); |
| 2516 | |
| 2517 | q_data->size = q_data->w * q_data->h * q_data->fmt->depth >> 3; |
| 2518 | } |
| 2519 | |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 2520 | static void s5p_jpeg_buf_queue(struct vb2_buffer *vb) |
| 2521 | { |
Junghak Sung | 2d70071 | 2015-09-22 10:30:30 -0300 | [diff] [blame] | 2522 | struct vb2_v4l2_buffer *vbuf = to_vb2_v4l2_buffer(vb); |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 2523 | struct s5p_jpeg_ctx *ctx = vb2_get_drv_priv(vb->vb2_queue); |
| 2524 | |
| 2525 | if (ctx->mode == S5P_JPEG_DECODE && |
| 2526 | vb->vb2_queue->type == V4L2_BUF_TYPE_VIDEO_OUTPUT) { |
henryhsu | 1c84e7f | 2017-06-30 10:15:46 -0400 | [diff] [blame] | 2527 | static const struct v4l2_event ev_src_ch = { |
| 2528 | .type = V4L2_EVENT_SOURCE_CHANGE, |
| 2529 | .u.src_change.changes = V4L2_EVENT_SRC_CH_RESOLUTION, |
| 2530 | }; |
| 2531 | struct vb2_queue *dst_vq; |
| 2532 | u32 ori_w; |
| 2533 | u32 ori_h; |
| 2534 | |
| 2535 | dst_vq = v4l2_m2m_get_vq(ctx->fh.m2m_ctx, |
| 2536 | V4L2_BUF_TYPE_VIDEO_CAPTURE); |
| 2537 | ori_w = ctx->out_q.w; |
| 2538 | ori_h = ctx->out_q.h; |
Shuah Khan | 605b892 | 2016-07-14 17:01:56 -0300 | [diff] [blame] | 2539 | |
Thierry Escande | 14a2de1 | 2017-06-30 10:15:43 -0400 | [diff] [blame] | 2540 | ctx->hdr_parsed = s5p_jpeg_parse_hdr(&ctx->out_q, |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 2541 | (unsigned long)vb2_plane_vaddr(vb, 0), |
| 2542 | min((unsigned long)ctx->out_q.size, |
Jacek Anaszewski | f843396 | 2013-11-21 13:33:09 -0300 | [diff] [blame] | 2543 | vb2_get_plane_payload(vb, 0)), ctx); |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 2544 | if (!ctx->hdr_parsed) { |
| 2545 | vb2_buffer_done(vb, VB2_BUF_STATE_ERROR); |
| 2546 | return; |
| 2547 | } |
| 2548 | |
Tony K Nadackal | 5ea3bf2 | 2017-06-30 10:15:40 -0400 | [diff] [blame] | 2549 | /* |
henryhsu | 1c84e7f | 2017-06-30 10:15:46 -0400 | [diff] [blame] | 2550 | * If there is a resolution change event, only update capture |
| 2551 | * queue when it is not streaming. Otherwise, update it in |
| 2552 | * STREAMOFF. See s5p_jpeg_stop_streaming for detail. |
Tony K Nadackal | 5ea3bf2 | 2017-06-30 10:15:40 -0400 | [diff] [blame] | 2553 | */ |
henryhsu | 1c84e7f | 2017-06-30 10:15:46 -0400 | [diff] [blame] | 2554 | if (ctx->out_q.w != ori_w || ctx->out_q.h != ori_h) { |
| 2555 | v4l2_event_queue_fh(&ctx->fh, &ev_src_ch); |
| 2556 | if (vb2_is_streaming(dst_vq)) |
| 2557 | ctx->state = JPEGCTX_RESOLUTION_CHANGE; |
| 2558 | else |
| 2559 | s5p_jpeg_set_capture_queue_data(ctx); |
| 2560 | } |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 2561 | } |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 2562 | |
Junghak Sung | 2d70071 | 2015-09-22 10:30:30 -0300 | [diff] [blame] | 2563 | v4l2_m2m_buf_queue(ctx->fh.m2m_ctx, vbuf); |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 2564 | } |
| 2565 | |
| 2566 | static int s5p_jpeg_start_streaming(struct vb2_queue *q, unsigned int count) |
| 2567 | { |
| 2568 | struct s5p_jpeg_ctx *ctx = vb2_get_drv_priv(q); |
| 2569 | int ret; |
| 2570 | |
| 2571 | ret = pm_runtime_get_sync(ctx->jpeg->dev); |
| 2572 | |
| 2573 | return ret > 0 ? 0 : ret; |
| 2574 | } |
| 2575 | |
Hans Verkuil | e37559b | 2014-04-17 02:47:21 -0300 | [diff] [blame] | 2576 | static void s5p_jpeg_stop_streaming(struct vb2_queue *q) |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 2577 | { |
| 2578 | struct s5p_jpeg_ctx *ctx = vb2_get_drv_priv(q); |
| 2579 | |
henryhsu | 1c84e7f | 2017-06-30 10:15:46 -0400 | [diff] [blame] | 2580 | /* |
| 2581 | * STREAMOFF is an acknowledgment for resolution change event. |
| 2582 | * Before STREAMOFF, we still have to return the old resolution and |
| 2583 | * subsampling. Update capture queue when the stream is off. |
| 2584 | */ |
| 2585 | if (ctx->state == JPEGCTX_RESOLUTION_CHANGE && |
| 2586 | q->type == V4L2_BUF_TYPE_VIDEO_CAPTURE) { |
| 2587 | s5p_jpeg_set_capture_queue_data(ctx); |
| 2588 | ctx->state = JPEGCTX_RUNNING; |
| 2589 | } |
| 2590 | |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 2591 | pm_runtime_put(ctx->jpeg->dev); |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 2592 | } |
| 2593 | |
Julia Lawall | b7b361f0 | 2016-09-08 20:59:10 -0300 | [diff] [blame] | 2594 | static const struct vb2_ops s5p_jpeg_qops = { |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 2595 | .queue_setup = s5p_jpeg_queue_setup, |
| 2596 | .buf_prepare = s5p_jpeg_buf_prepare, |
| 2597 | .buf_queue = s5p_jpeg_buf_queue, |
Sylwester Nawrocki | 718cf4a | 2013-08-25 17:16:56 -0300 | [diff] [blame] | 2598 | .wait_prepare = vb2_ops_wait_prepare, |
| 2599 | .wait_finish = vb2_ops_wait_finish, |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 2600 | .start_streaming = s5p_jpeg_start_streaming, |
| 2601 | .stop_streaming = s5p_jpeg_stop_streaming, |
| 2602 | }; |
| 2603 | |
| 2604 | static int queue_init(void *priv, struct vb2_queue *src_vq, |
| 2605 | struct vb2_queue *dst_vq) |
| 2606 | { |
| 2607 | struct s5p_jpeg_ctx *ctx = priv; |
| 2608 | int ret; |
| 2609 | |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 2610 | src_vq->type = V4L2_BUF_TYPE_VIDEO_OUTPUT; |
| 2611 | src_vq->io_modes = VB2_MMAP | VB2_USERPTR; |
| 2612 | src_vq->drv_priv = ctx; |
| 2613 | src_vq->buf_struct_size = sizeof(struct v4l2_m2m_buffer); |
| 2614 | src_vq->ops = &s5p_jpeg_qops; |
| 2615 | src_vq->mem_ops = &vb2_dma_contig_memops; |
Sakari Ailus | ade4868 | 2014-02-25 19:12:19 -0300 | [diff] [blame] | 2616 | src_vq->timestamp_flags = V4L2_BUF_FLAG_TIMESTAMP_COPY; |
Sylwester Nawrocki | 718cf4a | 2013-08-25 17:16:56 -0300 | [diff] [blame] | 2617 | src_vq->lock = &ctx->jpeg->lock; |
Hans Verkuil | c781e4a | 2016-02-15 14:25:09 -0200 | [diff] [blame] | 2618 | src_vq->dev = ctx->jpeg->dev; |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 2619 | |
| 2620 | ret = vb2_queue_init(src_vq); |
| 2621 | if (ret) |
| 2622 | return ret; |
| 2623 | |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 2624 | dst_vq->type = V4L2_BUF_TYPE_VIDEO_CAPTURE; |
| 2625 | dst_vq->io_modes = VB2_MMAP | VB2_USERPTR; |
| 2626 | dst_vq->drv_priv = ctx; |
| 2627 | dst_vq->buf_struct_size = sizeof(struct v4l2_m2m_buffer); |
| 2628 | dst_vq->ops = &s5p_jpeg_qops; |
| 2629 | dst_vq->mem_ops = &vb2_dma_contig_memops; |
Sakari Ailus | ade4868 | 2014-02-25 19:12:19 -0300 | [diff] [blame] | 2630 | dst_vq->timestamp_flags = V4L2_BUF_FLAG_TIMESTAMP_COPY; |
Sylwester Nawrocki | 718cf4a | 2013-08-25 17:16:56 -0300 | [diff] [blame] | 2631 | dst_vq->lock = &ctx->jpeg->lock; |
Hans Verkuil | c781e4a | 2016-02-15 14:25:09 -0200 | [diff] [blame] | 2632 | dst_vq->dev = ctx->jpeg->dev; |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 2633 | |
| 2634 | return vb2_queue_init(dst_vq); |
| 2635 | } |
| 2636 | |
| 2637 | /* |
| 2638 | * ============================================================================ |
| 2639 | * ISR |
| 2640 | * ============================================================================ |
| 2641 | */ |
| 2642 | |
| 2643 | static irqreturn_t s5p_jpeg_irq(int irq, void *dev_id) |
| 2644 | { |
| 2645 | struct s5p_jpeg *jpeg = dev_id; |
| 2646 | struct s5p_jpeg_ctx *curr_ctx; |
Junghak Sung | 2d70071 | 2015-09-22 10:30:30 -0300 | [diff] [blame] | 2647 | struct vb2_v4l2_buffer *src_buf, *dst_buf; |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 2648 | unsigned long payload_size = 0; |
| 2649 | enum vb2_buffer_state state = VB2_BUF_STATE_DONE; |
| 2650 | bool enc_jpeg_too_large = false; |
| 2651 | bool timer_elapsed = false; |
| 2652 | bool op_completed = false; |
| 2653 | |
Sylwester Nawrocki | 15f4bc3 | 2012-02-17 11:39:36 -0300 | [diff] [blame] | 2654 | spin_lock(&jpeg->slock); |
| 2655 | |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 2656 | curr_ctx = v4l2_m2m_get_curr_priv(jpeg->m2m_dev); |
| 2657 | |
Sylwester Nawrocki | 718cf4a | 2013-08-25 17:16:56 -0300 | [diff] [blame] | 2658 | src_buf = v4l2_m2m_src_buf_remove(curr_ctx->fh.m2m_ctx); |
| 2659 | dst_buf = v4l2_m2m_dst_buf_remove(curr_ctx->fh.m2m_ctx); |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 2660 | |
| 2661 | if (curr_ctx->mode == S5P_JPEG_ENCODE) |
Jacek Anaszewski | 9f7b62d | 2013-12-18 09:32:50 -0300 | [diff] [blame] | 2662 | enc_jpeg_too_large = s5p_jpeg_enc_stream_stat(jpeg->regs); |
| 2663 | timer_elapsed = s5p_jpeg_timer_stat(jpeg->regs); |
| 2664 | op_completed = s5p_jpeg_result_stat_ok(jpeg->regs); |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 2665 | if (curr_ctx->mode == S5P_JPEG_DECODE) |
Jacek Anaszewski | 9f7b62d | 2013-12-18 09:32:50 -0300 | [diff] [blame] | 2666 | op_completed = op_completed && |
| 2667 | s5p_jpeg_stream_stat_ok(jpeg->regs); |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 2668 | |
| 2669 | if (enc_jpeg_too_large) { |
| 2670 | state = VB2_BUF_STATE_ERROR; |
Jacek Anaszewski | 9f7b62d | 2013-12-18 09:32:50 -0300 | [diff] [blame] | 2671 | s5p_jpeg_clear_enc_stream_stat(jpeg->regs); |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 2672 | } else if (timer_elapsed) { |
| 2673 | state = VB2_BUF_STATE_ERROR; |
Jacek Anaszewski | 9f7b62d | 2013-12-18 09:32:50 -0300 | [diff] [blame] | 2674 | s5p_jpeg_clear_timer_stat(jpeg->regs); |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 2675 | } else if (!op_completed) { |
| 2676 | state = VB2_BUF_STATE_ERROR; |
| 2677 | } else { |
Jacek Anaszewski | 9f7b62d | 2013-12-18 09:32:50 -0300 | [diff] [blame] | 2678 | payload_size = s5p_jpeg_compressed_size(jpeg->regs); |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 2679 | } |
| 2680 | |
Junghak Sung | 2d70071 | 2015-09-22 10:30:30 -0300 | [diff] [blame] | 2681 | dst_buf->timecode = src_buf->timecode; |
Junghak Sung | d6dd645 | 2015-11-03 08:16:37 -0200 | [diff] [blame] | 2682 | dst_buf->vb2_buf.timestamp = src_buf->vb2_buf.timestamp; |
Junghak Sung | 2d70071 | 2015-09-22 10:30:30 -0300 | [diff] [blame] | 2683 | dst_buf->flags &= ~V4L2_BUF_FLAG_TSTAMP_SRC_MASK; |
| 2684 | dst_buf->flags |= |
| 2685 | src_buf->flags & V4L2_BUF_FLAG_TSTAMP_SRC_MASK; |
Kamil Debski | aca326a | 2013-04-24 10:08:02 -0300 | [diff] [blame] | 2686 | |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 2687 | v4l2_m2m_buf_done(src_buf, state); |
| 2688 | if (curr_ctx->mode == S5P_JPEG_ENCODE) |
Junghak Sung | 2d70071 | 2015-09-22 10:30:30 -0300 | [diff] [blame] | 2689 | vb2_set_plane_payload(&dst_buf->vb2_buf, 0, payload_size); |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 2690 | v4l2_m2m_buf_done(dst_buf, state); |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 2691 | |
Jacek Anaszewski | 9f7b62d | 2013-12-18 09:32:50 -0300 | [diff] [blame] | 2692 | curr_ctx->subsampling = s5p_jpeg_get_subsampling_mode(jpeg->regs); |
Sylwester Nawrocki | 15f4bc3 | 2012-02-17 11:39:36 -0300 | [diff] [blame] | 2693 | spin_unlock(&jpeg->slock); |
Andrzej Pietrasiewicz | fb6f8c0 | 2012-02-20 07:32:25 -0300 | [diff] [blame] | 2694 | |
Jacek Anaszewski | 9f7b62d | 2013-12-18 09:32:50 -0300 | [diff] [blame] | 2695 | s5p_jpeg_clear_int(jpeg->regs); |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 2696 | |
Alexandre Courbot | 17d716e | 2017-04-25 03:19:43 -0300 | [diff] [blame] | 2697 | v4l2_m2m_job_finish(jpeg->m2m_dev, curr_ctx->fh.m2m_ctx); |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 2698 | return IRQ_HANDLED; |
| 2699 | } |
| 2700 | |
Jacek Anaszewski | 80529ae5 | 2013-12-18 11:04:44 -0300 | [diff] [blame] | 2701 | static irqreturn_t exynos4_jpeg_irq(int irq, void *priv) |
| 2702 | { |
| 2703 | unsigned int int_status; |
Junghak Sung | 2d70071 | 2015-09-22 10:30:30 -0300 | [diff] [blame] | 2704 | struct vb2_v4l2_buffer *src_vb, *dst_vb; |
Jacek Anaszewski | 80529ae5 | 2013-12-18 11:04:44 -0300 | [diff] [blame] | 2705 | struct s5p_jpeg *jpeg = priv; |
| 2706 | struct s5p_jpeg_ctx *curr_ctx; |
| 2707 | unsigned long payload_size = 0; |
| 2708 | |
| 2709 | spin_lock(&jpeg->slock); |
| 2710 | |
Tony K Nadackal | e28e6f7 | 2017-08-08 07:27:04 -0400 | [diff] [blame] | 2711 | exynos4_jpeg_set_sys_int_enable(jpeg->regs, 0); |
| 2712 | |
Jacek Anaszewski | 80529ae5 | 2013-12-18 11:04:44 -0300 | [diff] [blame] | 2713 | curr_ctx = v4l2_m2m_get_curr_priv(jpeg->m2m_dev); |
| 2714 | |
| 2715 | src_vb = v4l2_m2m_src_buf_remove(curr_ctx->fh.m2m_ctx); |
| 2716 | dst_vb = v4l2_m2m_dst_buf_remove(curr_ctx->fh.m2m_ctx); |
| 2717 | |
| 2718 | int_status = exynos4_jpeg_get_int_status(jpeg->regs); |
| 2719 | |
| 2720 | if (int_status) { |
| 2721 | switch (int_status & 0x1f) { |
| 2722 | case 0x1: |
| 2723 | jpeg->irq_ret = ERR_PROT; |
| 2724 | break; |
| 2725 | case 0x2: |
| 2726 | jpeg->irq_ret = OK_ENC_OR_DEC; |
| 2727 | break; |
| 2728 | case 0x4: |
| 2729 | jpeg->irq_ret = ERR_DEC_INVALID_FORMAT; |
| 2730 | break; |
| 2731 | case 0x8: |
| 2732 | jpeg->irq_ret = ERR_MULTI_SCAN; |
| 2733 | break; |
| 2734 | case 0x10: |
| 2735 | jpeg->irq_ret = ERR_FRAME; |
| 2736 | break; |
| 2737 | default: |
| 2738 | jpeg->irq_ret = ERR_UNKNOWN; |
| 2739 | break; |
| 2740 | } |
| 2741 | } else { |
| 2742 | jpeg->irq_ret = ERR_UNKNOWN; |
| 2743 | } |
| 2744 | |
| 2745 | if (jpeg->irq_ret == OK_ENC_OR_DEC) { |
| 2746 | if (curr_ctx->mode == S5P_JPEG_ENCODE) { |
| 2747 | payload_size = exynos4_jpeg_get_stream_size(jpeg->regs); |
Junghak Sung | 2d70071 | 2015-09-22 10:30:30 -0300 | [diff] [blame] | 2748 | vb2_set_plane_payload(&dst_vb->vb2_buf, |
| 2749 | 0, payload_size); |
Jacek Anaszewski | 80529ae5 | 2013-12-18 11:04:44 -0300 | [diff] [blame] | 2750 | } |
| 2751 | v4l2_m2m_buf_done(src_vb, VB2_BUF_STATE_DONE); |
| 2752 | v4l2_m2m_buf_done(dst_vb, VB2_BUF_STATE_DONE); |
| 2753 | } else { |
| 2754 | v4l2_m2m_buf_done(src_vb, VB2_BUF_STATE_ERROR); |
| 2755 | v4l2_m2m_buf_done(dst_vb, VB2_BUF_STATE_ERROR); |
| 2756 | } |
| 2757 | |
Andrzej Pietrasiewicz | 6c96dbb | 2015-09-18 11:20:58 -0300 | [diff] [blame] | 2758 | if (jpeg->variant->version == SJPEG_EXYNOS4) |
| 2759 | curr_ctx->subsampling = exynos4_jpeg_get_frame_fmt(jpeg->regs); |
Jacek Anaszewski | 80529ae5 | 2013-12-18 11:04:44 -0300 | [diff] [blame] | 2760 | |
Andrzej Pietrasiewicz | 630dde6 | 2017-08-08 07:27:05 -0400 | [diff] [blame] | 2761 | exynos4_jpeg_set_enc_dec_mode(jpeg->regs, S5P_JPEG_DISABLE); |
| 2762 | |
Jacek Anaszewski | 80529ae5 | 2013-12-18 11:04:44 -0300 | [diff] [blame] | 2763 | spin_unlock(&jpeg->slock); |
Alexandre Courbot | 17d716e | 2017-04-25 03:19:43 -0300 | [diff] [blame] | 2764 | |
| 2765 | v4l2_m2m_job_finish(jpeg->m2m_dev, curr_ctx->fh.m2m_ctx); |
Jacek Anaszewski | 80529ae5 | 2013-12-18 11:04:44 -0300 | [diff] [blame] | 2766 | return IRQ_HANDLED; |
| 2767 | } |
| 2768 | |
Jacek Anaszewski | 3246fda | 2014-07-11 12:19:42 -0300 | [diff] [blame] | 2769 | static irqreturn_t exynos3250_jpeg_irq(int irq, void *dev_id) |
| 2770 | { |
| 2771 | struct s5p_jpeg *jpeg = dev_id; |
| 2772 | struct s5p_jpeg_ctx *curr_ctx; |
Junghak Sung | 2d70071 | 2015-09-22 10:30:30 -0300 | [diff] [blame] | 2773 | struct vb2_v4l2_buffer *src_buf, *dst_buf; |
Jacek Anaszewski | 3246fda | 2014-07-11 12:19:42 -0300 | [diff] [blame] | 2774 | unsigned long payload_size = 0; |
| 2775 | enum vb2_buffer_state state = VB2_BUF_STATE_DONE; |
| 2776 | bool interrupt_timeout = false; |
henryhsu | 80cdaca | 2017-06-30 10:15:47 -0400 | [diff] [blame] | 2777 | bool stream_error = false; |
Jacek Anaszewski | 3246fda | 2014-07-11 12:19:42 -0300 | [diff] [blame] | 2778 | u32 irq_status; |
| 2779 | |
| 2780 | spin_lock(&jpeg->slock); |
| 2781 | |
| 2782 | irq_status = exynos3250_jpeg_get_timer_status(jpeg->regs); |
| 2783 | if (irq_status & EXYNOS3250_TIMER_INT_STAT) { |
| 2784 | exynos3250_jpeg_clear_timer_status(jpeg->regs); |
| 2785 | interrupt_timeout = true; |
| 2786 | dev_err(jpeg->dev, "Interrupt timeout occurred.\n"); |
| 2787 | } |
| 2788 | |
| 2789 | irq_status = exynos3250_jpeg_get_int_status(jpeg->regs); |
| 2790 | exynos3250_jpeg_clear_int_status(jpeg->regs, irq_status); |
| 2791 | |
| 2792 | jpeg->irq_status |= irq_status; |
| 2793 | |
henryhsu | 80cdaca | 2017-06-30 10:15:47 -0400 | [diff] [blame] | 2794 | if (jpeg->variant->version == SJPEG_EXYNOS5420 && |
| 2795 | irq_status & EXYNOS3250_STREAM_STAT) { |
| 2796 | stream_error = true; |
| 2797 | dev_err(jpeg->dev, "Syntax error or unrecoverable error occurred.\n"); |
| 2798 | } |
| 2799 | |
Jacek Anaszewski | 3246fda | 2014-07-11 12:19:42 -0300 | [diff] [blame] | 2800 | curr_ctx = v4l2_m2m_get_curr_priv(jpeg->m2m_dev); |
| 2801 | |
| 2802 | if (!curr_ctx) |
| 2803 | goto exit_unlock; |
| 2804 | |
| 2805 | if ((irq_status & EXYNOS3250_HEADER_STAT) && |
| 2806 | (curr_ctx->mode == S5P_JPEG_DECODE)) { |
| 2807 | exynos3250_jpeg_rstart(jpeg->regs); |
| 2808 | goto exit_unlock; |
| 2809 | } |
| 2810 | |
| 2811 | if (jpeg->irq_status & (EXYNOS3250_JPEG_DONE | |
| 2812 | EXYNOS3250_WDMA_DONE | |
| 2813 | EXYNOS3250_RDMA_DONE | |
| 2814 | EXYNOS3250_RESULT_STAT)) |
| 2815 | payload_size = exynos3250_jpeg_compressed_size(jpeg->regs); |
henryhsu | 80cdaca | 2017-06-30 10:15:47 -0400 | [diff] [blame] | 2816 | else if (interrupt_timeout || stream_error) |
Jacek Anaszewski | 3246fda | 2014-07-11 12:19:42 -0300 | [diff] [blame] | 2817 | state = VB2_BUF_STATE_ERROR; |
| 2818 | else |
| 2819 | goto exit_unlock; |
| 2820 | |
| 2821 | src_buf = v4l2_m2m_src_buf_remove(curr_ctx->fh.m2m_ctx); |
| 2822 | dst_buf = v4l2_m2m_dst_buf_remove(curr_ctx->fh.m2m_ctx); |
| 2823 | |
Junghak Sung | 2d70071 | 2015-09-22 10:30:30 -0300 | [diff] [blame] | 2824 | dst_buf->timecode = src_buf->timecode; |
Junghak Sung | d6dd645 | 2015-11-03 08:16:37 -0200 | [diff] [blame] | 2825 | dst_buf->vb2_buf.timestamp = src_buf->vb2_buf.timestamp; |
Jacek Anaszewski | 3246fda | 2014-07-11 12:19:42 -0300 | [diff] [blame] | 2826 | |
| 2827 | v4l2_m2m_buf_done(src_buf, state); |
| 2828 | if (curr_ctx->mode == S5P_JPEG_ENCODE) |
Junghak Sung | 2d70071 | 2015-09-22 10:30:30 -0300 | [diff] [blame] | 2829 | vb2_set_plane_payload(&dst_buf->vb2_buf, 0, payload_size); |
Jacek Anaszewski | 3246fda | 2014-07-11 12:19:42 -0300 | [diff] [blame] | 2830 | v4l2_m2m_buf_done(dst_buf, state); |
Jacek Anaszewski | 3246fda | 2014-07-11 12:19:42 -0300 | [diff] [blame] | 2831 | |
| 2832 | curr_ctx->subsampling = |
| 2833 | exynos3250_jpeg_get_subsampling_mode(jpeg->regs); |
Alexandre Courbot | 17d716e | 2017-04-25 03:19:43 -0300 | [diff] [blame] | 2834 | |
| 2835 | spin_unlock(&jpeg->slock); |
| 2836 | |
| 2837 | v4l2_m2m_job_finish(jpeg->m2m_dev, curr_ctx->fh.m2m_ctx); |
| 2838 | return IRQ_HANDLED; |
| 2839 | |
Jacek Anaszewski | 3246fda | 2014-07-11 12:19:42 -0300 | [diff] [blame] | 2840 | exit_unlock: |
| 2841 | spin_unlock(&jpeg->slock); |
| 2842 | return IRQ_HANDLED; |
| 2843 | } |
| 2844 | |
Jacek Anaszewski | 79a38a8 | 2014-04-10 04:32:14 -0300 | [diff] [blame] | 2845 | static void *jpeg_get_drv_data(struct device *dev); |
Jacek Anaszewski | 80529ae5 | 2013-12-18 11:04:44 -0300 | [diff] [blame] | 2846 | |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 2847 | /* |
| 2848 | * ============================================================================ |
| 2849 | * Driver basic infrastructure |
| 2850 | * ============================================================================ |
| 2851 | */ |
| 2852 | |
| 2853 | static int s5p_jpeg_probe(struct platform_device *pdev) |
| 2854 | { |
| 2855 | struct s5p_jpeg *jpeg; |
| 2856 | struct resource *res; |
Marek Szyprowski | b95a24d | 2015-09-18 11:20:57 -0300 | [diff] [blame] | 2857 | int i, ret; |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 2858 | |
| 2859 | /* JPEG IP abstraction struct */ |
Sachin Kamat | 5b58b95 | 2012-05-14 06:33:34 -0300 | [diff] [blame] | 2860 | jpeg = devm_kzalloc(&pdev->dev, sizeof(struct s5p_jpeg), GFP_KERNEL); |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 2861 | if (!jpeg) |
| 2862 | return -ENOMEM; |
| 2863 | |
Jacek Anaszewski | 79a38a8 | 2014-04-10 04:32:14 -0300 | [diff] [blame] | 2864 | jpeg->variant = jpeg_get_drv_data(&pdev->dev); |
Baskov Evgeniy | 0862d95 | 2020-11-13 17:06:25 +0100 | [diff] [blame] | 2865 | if (!jpeg->variant) |
| 2866 | return -ENODEV; |
Jacek Anaszewski | 80529ae5 | 2013-12-18 11:04:44 -0300 | [diff] [blame] | 2867 | |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 2868 | mutex_init(&jpeg->lock); |
Sylwester Nawrocki | 15f4bc3 | 2012-02-17 11:39:36 -0300 | [diff] [blame] | 2869 | spin_lock_init(&jpeg->slock); |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 2870 | jpeg->dev = &pdev->dev; |
| 2871 | |
| 2872 | /* memory-mapped registers */ |
| 2873 | res = platform_get_resource(pdev, IORESOURCE_MEM, 0); |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 2874 | |
Thierry Reding | f23999e | 2013-01-21 06:09:07 -0300 | [diff] [blame] | 2875 | jpeg->regs = devm_ioremap_resource(&pdev->dev, res); |
| 2876 | if (IS_ERR(jpeg->regs)) |
| 2877 | return PTR_ERR(jpeg->regs); |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 2878 | |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 2879 | /* interrupt service routine registration */ |
| 2880 | jpeg->irq = ret = platform_get_irq(pdev, 0); |
| 2881 | if (ret < 0) { |
| 2882 | dev_err(&pdev->dev, "cannot find IRQ\n"); |
Sachin Kamat | 5b58b95 | 2012-05-14 06:33:34 -0300 | [diff] [blame] | 2883 | return ret; |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 2884 | } |
| 2885 | |
Jacek Anaszewski | 80529ae5 | 2013-12-18 11:04:44 -0300 | [diff] [blame] | 2886 | ret = devm_request_irq(&pdev->dev, jpeg->irq, jpeg->variant->jpeg_irq, |
| 2887 | 0, dev_name(&pdev->dev), jpeg); |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 2888 | if (ret) { |
| 2889 | dev_err(&pdev->dev, "cannot claim IRQ %d\n", jpeg->irq); |
Sachin Kamat | 5b58b95 | 2012-05-14 06:33:34 -0300 | [diff] [blame] | 2890 | return ret; |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 2891 | } |
| 2892 | |
| 2893 | /* clocks */ |
Marek Szyprowski | b95a24d | 2015-09-18 11:20:57 -0300 | [diff] [blame] | 2894 | for (i = 0; i < jpeg->variant->num_clocks; i++) { |
| 2895 | jpeg->clocks[i] = devm_clk_get(&pdev->dev, |
| 2896 | jpeg->variant->clk_names[i]); |
| 2897 | if (IS_ERR(jpeg->clocks[i])) { |
| 2898 | dev_err(&pdev->dev, "failed to get clock: %s\n", |
| 2899 | jpeg->variant->clk_names[i]); |
| 2900 | return PTR_ERR(jpeg->clocks[i]); |
| 2901 | } |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 2902 | } |
Jacek Anaszewski | 3246fda | 2014-07-11 12:19:42 -0300 | [diff] [blame] | 2903 | |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 2904 | /* v4l2 device */ |
| 2905 | ret = v4l2_device_register(&pdev->dev, &jpeg->v4l2_dev); |
| 2906 | if (ret) { |
| 2907 | dev_err(&pdev->dev, "Failed to register v4l2 device\n"); |
Marek Szyprowski | b95a24d | 2015-09-18 11:20:57 -0300 | [diff] [blame] | 2908 | return ret; |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 2909 | } |
| 2910 | |
| 2911 | /* mem2mem device */ |
Jacek Anaszewski | bf689bb | 2014-04-10 04:32:13 -0300 | [diff] [blame] | 2912 | jpeg->m2m_dev = v4l2_m2m_init(jpeg->variant->m2m_ops); |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 2913 | if (IS_ERR(jpeg->m2m_dev)) { |
| 2914 | v4l2_err(&jpeg->v4l2_dev, "Failed to init mem2mem device\n"); |
| 2915 | ret = PTR_ERR(jpeg->m2m_dev); |
| 2916 | goto device_register_rollback; |
| 2917 | } |
| 2918 | |
Marek Szyprowski | 712b617 | 2016-05-24 09:16:07 +0200 | [diff] [blame] | 2919 | vb2_dma_contig_set_max_seg_size(&pdev->dev, DMA_BIT_MASK(32)); |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 2920 | |
| 2921 | /* JPEG encoder /dev/videoX node */ |
| 2922 | jpeg->vfd_encoder = video_device_alloc(); |
| 2923 | if (!jpeg->vfd_encoder) { |
| 2924 | v4l2_err(&jpeg->v4l2_dev, "Failed to allocate video device\n"); |
| 2925 | ret = -ENOMEM; |
Hans Verkuil | c781e4a | 2016-02-15 14:25:09 -0200 | [diff] [blame] | 2926 | goto m2m_init_rollback; |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 2927 | } |
Seung-Woo Kim | baaf046 | 2013-10-10 04:45:56 -0300 | [diff] [blame] | 2928 | snprintf(jpeg->vfd_encoder->name, sizeof(jpeg->vfd_encoder->name), |
| 2929 | "%s-enc", S5P_JPEG_M2M_NAME); |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 2930 | jpeg->vfd_encoder->fops = &s5p_jpeg_fops; |
| 2931 | jpeg->vfd_encoder->ioctl_ops = &s5p_jpeg_ioctl_ops; |
| 2932 | jpeg->vfd_encoder->minor = -1; |
| 2933 | jpeg->vfd_encoder->release = video_device_release; |
| 2934 | jpeg->vfd_encoder->lock = &jpeg->lock; |
| 2935 | jpeg->vfd_encoder->v4l2_dev = &jpeg->v4l2_dev; |
Hans Verkuil | 954f340 | 2012-09-05 06:05:50 -0300 | [diff] [blame] | 2936 | jpeg->vfd_encoder->vfl_dir = VFL_DIR_M2M; |
Hans Verkuil | 994587c | 2019-06-26 02:51:41 -0400 | [diff] [blame] | 2937 | jpeg->vfd_encoder->device_caps = V4L2_CAP_STREAMING | V4L2_CAP_VIDEO_M2M; |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 2938 | |
Hans Verkuil | 70cad449 | 2020-02-03 12:41:18 +0100 | [diff] [blame] | 2939 | ret = video_register_device(jpeg->vfd_encoder, VFL_TYPE_VIDEO, -1); |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 2940 | if (ret) { |
| 2941 | v4l2_err(&jpeg->v4l2_dev, "Failed to register video device\n"); |
Andrzej Pietrasiewicz | 7a1d4e7 | 2015-07-03 07:04:38 -0300 | [diff] [blame] | 2942 | video_device_release(jpeg->vfd_encoder); |
Hans Verkuil | c781e4a | 2016-02-15 14:25:09 -0200 | [diff] [blame] | 2943 | goto m2m_init_rollback; |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 2944 | } |
| 2945 | |
| 2946 | video_set_drvdata(jpeg->vfd_encoder, jpeg); |
| 2947 | v4l2_info(&jpeg->v4l2_dev, |
| 2948 | "encoder device registered as /dev/video%d\n", |
| 2949 | jpeg->vfd_encoder->num); |
| 2950 | |
| 2951 | /* JPEG decoder /dev/videoX node */ |
| 2952 | jpeg->vfd_decoder = video_device_alloc(); |
| 2953 | if (!jpeg->vfd_decoder) { |
| 2954 | v4l2_err(&jpeg->v4l2_dev, "Failed to allocate video device\n"); |
| 2955 | ret = -ENOMEM; |
| 2956 | goto enc_vdev_register_rollback; |
| 2957 | } |
Seung-Woo Kim | baaf046 | 2013-10-10 04:45:56 -0300 | [diff] [blame] | 2958 | snprintf(jpeg->vfd_decoder->name, sizeof(jpeg->vfd_decoder->name), |
| 2959 | "%s-dec", S5P_JPEG_M2M_NAME); |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 2960 | jpeg->vfd_decoder->fops = &s5p_jpeg_fops; |
| 2961 | jpeg->vfd_decoder->ioctl_ops = &s5p_jpeg_ioctl_ops; |
| 2962 | jpeg->vfd_decoder->minor = -1; |
| 2963 | jpeg->vfd_decoder->release = video_device_release; |
| 2964 | jpeg->vfd_decoder->lock = &jpeg->lock; |
| 2965 | jpeg->vfd_decoder->v4l2_dev = &jpeg->v4l2_dev; |
Jacek Anaszewski | 7f7d8fe | 2013-09-11 06:17:45 -0300 | [diff] [blame] | 2966 | jpeg->vfd_decoder->vfl_dir = VFL_DIR_M2M; |
Hans Verkuil | 994587c | 2019-06-26 02:51:41 -0400 | [diff] [blame] | 2967 | jpeg->vfd_decoder->device_caps = V4L2_CAP_STREAMING | V4L2_CAP_VIDEO_M2M; |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 2968 | |
Hans Verkuil | 70cad449 | 2020-02-03 12:41:18 +0100 | [diff] [blame] | 2969 | ret = video_register_device(jpeg->vfd_decoder, VFL_TYPE_VIDEO, -1); |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 2970 | if (ret) { |
| 2971 | v4l2_err(&jpeg->v4l2_dev, "Failed to register video device\n"); |
Andrzej Pietrasiewicz | 7a1d4e7 | 2015-07-03 07:04:38 -0300 | [diff] [blame] | 2972 | video_device_release(jpeg->vfd_decoder); |
| 2973 | goto enc_vdev_register_rollback; |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 2974 | } |
| 2975 | |
| 2976 | video_set_drvdata(jpeg->vfd_decoder, jpeg); |
| 2977 | v4l2_info(&jpeg->v4l2_dev, |
| 2978 | "decoder device registered as /dev/video%d\n", |
| 2979 | jpeg->vfd_decoder->num); |
| 2980 | |
| 2981 | /* final statements & power management */ |
| 2982 | platform_set_drvdata(pdev, jpeg); |
| 2983 | |
| 2984 | pm_runtime_enable(&pdev->dev); |
| 2985 | |
| 2986 | v4l2_info(&jpeg->v4l2_dev, "Samsung S5P JPEG codec\n"); |
| 2987 | |
| 2988 | return 0; |
| 2989 | |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 2990 | enc_vdev_register_rollback: |
| 2991 | video_unregister_device(jpeg->vfd_encoder); |
| 2992 | |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 2993 | m2m_init_rollback: |
| 2994 | v4l2_m2m_release(jpeg->m2m_dev); |
| 2995 | |
| 2996 | device_register_rollback: |
| 2997 | v4l2_device_unregister(&jpeg->v4l2_dev); |
| 2998 | |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 2999 | return ret; |
| 3000 | } |
| 3001 | |
| 3002 | static int s5p_jpeg_remove(struct platform_device *pdev) |
| 3003 | { |
| 3004 | struct s5p_jpeg *jpeg = platform_get_drvdata(pdev); |
Marek Szyprowski | b95a24d | 2015-09-18 11:20:57 -0300 | [diff] [blame] | 3005 | int i; |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 3006 | |
| 3007 | pm_runtime_disable(jpeg->dev); |
| 3008 | |
| 3009 | video_unregister_device(jpeg->vfd_decoder); |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 3010 | video_unregister_device(jpeg->vfd_encoder); |
Marek Szyprowski | 712b617 | 2016-05-24 09:16:07 +0200 | [diff] [blame] | 3011 | vb2_dma_contig_clear_max_seg_size(&pdev->dev); |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 3012 | v4l2_m2m_release(jpeg->m2m_dev); |
| 3013 | v4l2_device_unregister(&jpeg->v4l2_dev); |
| 3014 | |
Jacek Anaszewski | 3246fda | 2014-07-11 12:19:42 -0300 | [diff] [blame] | 3015 | if (!pm_runtime_status_suspended(&pdev->dev)) { |
Marek Szyprowski | b95a24d | 2015-09-18 11:20:57 -0300 | [diff] [blame] | 3016 | for (i = jpeg->variant->num_clocks - 1; i >= 0; i--) |
| 3017 | clk_disable_unprepare(jpeg->clocks[i]); |
Jacek Anaszewski | 3246fda | 2014-07-11 12:19:42 -0300 | [diff] [blame] | 3018 | } |
Jacek Anaszewski | f134713 | 2013-11-25 06:58:13 -0300 | [diff] [blame] | 3019 | |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 3020 | return 0; |
| 3021 | } |
| 3022 | |
Rafael J. Wysocki | e243c7c | 2014-12-04 01:10:10 +0100 | [diff] [blame] | 3023 | #ifdef CONFIG_PM |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 3024 | static int s5p_jpeg_runtime_suspend(struct device *dev) |
| 3025 | { |
Jacek Anaszewski | f134713 | 2013-11-25 06:58:13 -0300 | [diff] [blame] | 3026 | struct s5p_jpeg *jpeg = dev_get_drvdata(dev); |
Marek Szyprowski | b95a24d | 2015-09-18 11:20:57 -0300 | [diff] [blame] | 3027 | int i; |
Jacek Anaszewski | f134713 | 2013-11-25 06:58:13 -0300 | [diff] [blame] | 3028 | |
Marek Szyprowski | b95a24d | 2015-09-18 11:20:57 -0300 | [diff] [blame] | 3029 | for (i = jpeg->variant->num_clocks - 1; i >= 0; i--) |
| 3030 | clk_disable_unprepare(jpeg->clocks[i]); |
Jacek Anaszewski | f134713 | 2013-11-25 06:58:13 -0300 | [diff] [blame] | 3031 | |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 3032 | return 0; |
| 3033 | } |
| 3034 | |
| 3035 | static int s5p_jpeg_runtime_resume(struct device *dev) |
| 3036 | { |
| 3037 | struct s5p_jpeg *jpeg = dev_get_drvdata(dev); |
Jacek Anaszewski | b3c932a | 2013-11-25 06:58:14 -0300 | [diff] [blame] | 3038 | unsigned long flags; |
Marek Szyprowski | b95a24d | 2015-09-18 11:20:57 -0300 | [diff] [blame] | 3039 | int i, ret; |
Jacek Anaszewski | f134713 | 2013-11-25 06:58:13 -0300 | [diff] [blame] | 3040 | |
Marek Szyprowski | b95a24d | 2015-09-18 11:20:57 -0300 | [diff] [blame] | 3041 | for (i = 0; i < jpeg->variant->num_clocks; i++) { |
| 3042 | ret = clk_prepare_enable(jpeg->clocks[i]); |
| 3043 | if (ret) { |
Flavio Ceolin | b6852a6 | 2017-12-06 11:37:45 -0500 | [diff] [blame] | 3044 | while (--i >= 0) |
Marek Szyprowski | b95a24d | 2015-09-18 11:20:57 -0300 | [diff] [blame] | 3045 | clk_disable_unprepare(jpeg->clocks[i]); |
Jacek Anaszewski | 3246fda | 2014-07-11 12:19:42 -0300 | [diff] [blame] | 3046 | return ret; |
Marek Szyprowski | b95a24d | 2015-09-18 11:20:57 -0300 | [diff] [blame] | 3047 | } |
Jacek Anaszewski | 3246fda | 2014-07-11 12:19:42 -0300 | [diff] [blame] | 3048 | } |
| 3049 | |
Jacek Anaszewski | b3c932a | 2013-11-25 06:58:14 -0300 | [diff] [blame] | 3050 | spin_lock_irqsave(&jpeg->slock, flags); |
| 3051 | |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 3052 | /* |
Jacek Anaszewski | 3246fda | 2014-07-11 12:19:42 -0300 | [diff] [blame] | 3053 | * JPEG IP allows storing two Huffman tables for each component. |
Jacek Anaszewski | 80529ae5 | 2013-12-18 11:04:44 -0300 | [diff] [blame] | 3054 | * We fill table 0 for each component and do this here only |
Andrzej Pietrasiewicz | 7c15fd4 | 2015-03-09 09:32:46 -0300 | [diff] [blame] | 3055 | * for S5PC210 and Exynos3250 SoCs. Exynos4x12 and Exynos542x SoC |
| 3056 | * require programming their Huffman tables each time the encoding |
| 3057 | * process is initialized, and thus it is accomplished in the |
| 3058 | * device_run callback of m2m_ops. |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 3059 | */ |
Andrzej Pietrasiewicz | 7c15fd4 | 2015-03-09 09:32:46 -0300 | [diff] [blame] | 3060 | if (!jpeg->variant->htbl_reinit) { |
Jacek Anaszewski | 80529ae5 | 2013-12-18 11:04:44 -0300 | [diff] [blame] | 3061 | s5p_jpeg_set_hdctbl(jpeg->regs); |
| 3062 | s5p_jpeg_set_hdctblg(jpeg->regs); |
| 3063 | s5p_jpeg_set_hactbl(jpeg->regs); |
| 3064 | s5p_jpeg_set_hactblg(jpeg->regs); |
| 3065 | } |
Jacek Anaszewski | 31dc0ac | 2013-11-25 06:58:12 -0300 | [diff] [blame] | 3066 | |
Jacek Anaszewski | b3c932a | 2013-11-25 06:58:14 -0300 | [diff] [blame] | 3067 | spin_unlock_irqrestore(&jpeg->slock, flags); |
| 3068 | |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 3069 | return 0; |
| 3070 | } |
Rafael J. Wysocki | e243c7c | 2014-12-04 01:10:10 +0100 | [diff] [blame] | 3071 | #endif /* CONFIG_PM */ |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 3072 | |
| 3073 | static const struct dev_pm_ops s5p_jpeg_pm_ops = { |
Marek Szyprowski | 3b92fed | 2016-08-31 09:55:59 -0300 | [diff] [blame] | 3074 | SET_SYSTEM_SLEEP_PM_OPS(pm_runtime_force_suspend, |
| 3075 | pm_runtime_force_resume) |
Shuah Khan | 605b892 | 2016-07-14 17:01:56 -0300 | [diff] [blame] | 3076 | SET_RUNTIME_PM_OPS(s5p_jpeg_runtime_suspend, s5p_jpeg_runtime_resume, |
| 3077 | NULL) |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 3078 | }; |
| 3079 | |
Jacek Anaszewski | 80529ae5 | 2013-12-18 11:04:44 -0300 | [diff] [blame] | 3080 | static struct s5p_jpeg_variant s5p_jpeg_drvdata = { |
| 3081 | .version = SJPEG_S5P, |
| 3082 | .jpeg_irq = s5p_jpeg_irq, |
Jacek Anaszewski | bf689bb | 2014-04-10 04:32:13 -0300 | [diff] [blame] | 3083 | .m2m_ops = &s5p_jpeg_m2m_ops, |
Jacek Anaszewski | b245168 | 2014-04-10 04:32:11 -0300 | [diff] [blame] | 3084 | .fmt_ver_flag = SJPEG_FMT_FLAG_S5P, |
Marek Szyprowski | b95a24d | 2015-09-18 11:20:57 -0300 | [diff] [blame] | 3085 | .clk_names = {"jpeg"}, |
| 3086 | .num_clocks = 1, |
Sylwester Nawrocki | f7074ab | 2013-08-18 16:14:27 -0300 | [diff] [blame] | 3087 | }; |
Jacek Anaszewski | 80529ae5 | 2013-12-18 11:04:44 -0300 | [diff] [blame] | 3088 | |
Jacek Anaszewski | 3246fda | 2014-07-11 12:19:42 -0300 | [diff] [blame] | 3089 | static struct s5p_jpeg_variant exynos3250_jpeg_drvdata = { |
| 3090 | .version = SJPEG_EXYNOS3250, |
| 3091 | .jpeg_irq = exynos3250_jpeg_irq, |
| 3092 | .m2m_ops = &exynos3250_jpeg_m2m_ops, |
| 3093 | .fmt_ver_flag = SJPEG_FMT_FLAG_EXYNOS3250, |
Andrzej Pietrasiewicz | 7c15fd4 | 2015-03-09 09:32:46 -0300 | [diff] [blame] | 3094 | .hw3250_compat = 1, |
Marek Szyprowski | b95a24d | 2015-09-18 11:20:57 -0300 | [diff] [blame] | 3095 | .clk_names = {"jpeg", "sclk"}, |
| 3096 | .num_clocks = 2, |
Jacek Anaszewski | 3246fda | 2014-07-11 12:19:42 -0300 | [diff] [blame] | 3097 | }; |
| 3098 | |
Jacek Anaszewski | 80529ae5 | 2013-12-18 11:04:44 -0300 | [diff] [blame] | 3099 | static struct s5p_jpeg_variant exynos4_jpeg_drvdata = { |
| 3100 | .version = SJPEG_EXYNOS4, |
| 3101 | .jpeg_irq = exynos4_jpeg_irq, |
Jacek Anaszewski | bf689bb | 2014-04-10 04:32:13 -0300 | [diff] [blame] | 3102 | .m2m_ops = &exynos4_jpeg_m2m_ops, |
Jacek Anaszewski | b245168 | 2014-04-10 04:32:11 -0300 | [diff] [blame] | 3103 | .fmt_ver_flag = SJPEG_FMT_FLAG_EXYNOS4, |
Andrzej Pietrasiewicz | 7c15fd4 | 2015-03-09 09:32:46 -0300 | [diff] [blame] | 3104 | .htbl_reinit = 1, |
Marek Szyprowski | b95a24d | 2015-09-18 11:20:57 -0300 | [diff] [blame] | 3105 | .clk_names = {"jpeg"}, |
| 3106 | .num_clocks = 1, |
Andrzej Pietrasiewicz | 6c96dbb | 2015-09-18 11:20:58 -0300 | [diff] [blame] | 3107 | .hw_ex4_compat = 1, |
Andrzej Pietrasiewicz | 7c15fd4 | 2015-03-09 09:32:46 -0300 | [diff] [blame] | 3108 | }; |
| 3109 | |
| 3110 | static struct s5p_jpeg_variant exynos5420_jpeg_drvdata = { |
| 3111 | .version = SJPEG_EXYNOS5420, |
| 3112 | .jpeg_irq = exynos3250_jpeg_irq, /* intentionally 3250 */ |
| 3113 | .m2m_ops = &exynos3250_jpeg_m2m_ops, /* intentionally 3250 */ |
| 3114 | .fmt_ver_flag = SJPEG_FMT_FLAG_EXYNOS3250, /* intentionally 3250 */ |
| 3115 | .hw3250_compat = 1, |
| 3116 | .htbl_reinit = 1, |
Marek Szyprowski | b95a24d | 2015-09-18 11:20:57 -0300 | [diff] [blame] | 3117 | .clk_names = {"jpeg"}, |
| 3118 | .num_clocks = 1, |
Jacek Anaszewski | 80529ae5 | 2013-12-18 11:04:44 -0300 | [diff] [blame] | 3119 | }; |
| 3120 | |
Andrzej Pietrasiewicz | 6c96dbb | 2015-09-18 11:20:58 -0300 | [diff] [blame] | 3121 | static struct s5p_jpeg_variant exynos5433_jpeg_drvdata = { |
| 3122 | .version = SJPEG_EXYNOS5433, |
| 3123 | .jpeg_irq = exynos4_jpeg_irq, |
| 3124 | .m2m_ops = &exynos4_jpeg_m2m_ops, |
| 3125 | .fmt_ver_flag = SJPEG_FMT_FLAG_EXYNOS4, |
| 3126 | .htbl_reinit = 1, |
| 3127 | .clk_names = {"pclk", "aclk", "aclk_xiu", "sclk"}, |
| 3128 | .num_clocks = 4, |
| 3129 | .hw_ex4_compat = 1, |
| 3130 | }; |
| 3131 | |
Jacek Anaszewski | 80529ae5 | 2013-12-18 11:04:44 -0300 | [diff] [blame] | 3132 | static const struct of_device_id samsung_jpeg_match[] = { |
| 3133 | { |
| 3134 | .compatible = "samsung,s5pv210-jpeg", |
| 3135 | .data = &s5p_jpeg_drvdata, |
| 3136 | }, { |
Jacek Anaszewski | 3246fda | 2014-07-11 12:19:42 -0300 | [diff] [blame] | 3137 | .compatible = "samsung,exynos3250-jpeg", |
| 3138 | .data = &exynos3250_jpeg_drvdata, |
| 3139 | }, { |
Jacek Anaszewski | 80529ae5 | 2013-12-18 11:04:44 -0300 | [diff] [blame] | 3140 | .compatible = "samsung,exynos4210-jpeg", |
Jacek Anaszewski | 3246fda | 2014-07-11 12:19:42 -0300 | [diff] [blame] | 3141 | .data = &exynos4_jpeg_drvdata, |
Jacek Anaszewski | 80529ae5 | 2013-12-18 11:04:44 -0300 | [diff] [blame] | 3142 | }, { |
| 3143 | .compatible = "samsung,exynos4212-jpeg", |
| 3144 | .data = &exynos4_jpeg_drvdata, |
Andrzej Pietrasiewicz | 7c15fd4 | 2015-03-09 09:32:46 -0300 | [diff] [blame] | 3145 | }, { |
| 3146 | .compatible = "samsung,exynos5420-jpeg", |
| 3147 | .data = &exynos5420_jpeg_drvdata, |
Andrzej Pietrasiewicz | 6c96dbb | 2015-09-18 11:20:58 -0300 | [diff] [blame] | 3148 | }, { |
| 3149 | .compatible = "samsung,exynos5433-jpeg", |
| 3150 | .data = &exynos5433_jpeg_drvdata, |
Jacek Anaszewski | 80529ae5 | 2013-12-18 11:04:44 -0300 | [diff] [blame] | 3151 | }, |
| 3152 | {}, |
| 3153 | }; |
| 3154 | |
| 3155 | MODULE_DEVICE_TABLE(of, samsung_jpeg_match); |
| 3156 | |
Jacek Anaszewski | 79a38a8 | 2014-04-10 04:32:14 -0300 | [diff] [blame] | 3157 | static void *jpeg_get_drv_data(struct device *dev) |
Jacek Anaszewski | 80529ae5 | 2013-12-18 11:04:44 -0300 | [diff] [blame] | 3158 | { |
| 3159 | struct s5p_jpeg_variant *driver_data = NULL; |
| 3160 | const struct of_device_id *match; |
| 3161 | |
Jacek Anaszewski | 79a38a8 | 2014-04-10 04:32:14 -0300 | [diff] [blame] | 3162 | if (!IS_ENABLED(CONFIG_OF) || !dev->of_node) |
| 3163 | return &s5p_jpeg_drvdata; |
| 3164 | |
| 3165 | match = of_match_node(samsung_jpeg_match, dev->of_node); |
| 3166 | |
Jacek Anaszewski | 80529ae5 | 2013-12-18 11:04:44 -0300 | [diff] [blame] | 3167 | if (match) |
| 3168 | driver_data = (struct s5p_jpeg_variant *)match->data; |
| 3169 | |
| 3170 | return driver_data; |
| 3171 | } |
Sylwester Nawrocki | f7074ab | 2013-08-18 16:14:27 -0300 | [diff] [blame] | 3172 | |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 3173 | static struct platform_driver s5p_jpeg_driver = { |
| 3174 | .probe = s5p_jpeg_probe, |
| 3175 | .remove = s5p_jpeg_remove, |
| 3176 | .driver = { |
Jacek Anaszewski | 80529ae5 | 2013-12-18 11:04:44 -0300 | [diff] [blame] | 3177 | .of_match_table = of_match_ptr(samsung_jpeg_match), |
Jacek Anaszewski | 80529ae5 | 2013-12-18 11:04:44 -0300 | [diff] [blame] | 3178 | .name = S5P_JPEG_M2M_NAME, |
| 3179 | .pm = &s5p_jpeg_pm_ops, |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 3180 | }, |
| 3181 | }; |
| 3182 | |
Sachin Kamat | 87e94294 | 2012-07-03 05:54:33 -0300 | [diff] [blame] | 3183 | module_platform_driver(s5p_jpeg_driver); |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 3184 | |
Andrzej Pietrasiewicz | 66e988e | 2018-12-13 08:31:07 -0500 | [diff] [blame] | 3185 | MODULE_AUTHOR("Andrzej Pietrasiewicz <andrzejtp2010@gmail.com>"); |
Jacek Anaszewski | 80529ae5 | 2013-12-18 11:04:44 -0300 | [diff] [blame] | 3186 | MODULE_AUTHOR("Jacek Anaszewski <j.anaszewski@samsung.com>"); |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 3187 | MODULE_DESCRIPTION("Samsung JPEG codec driver"); |
| 3188 | MODULE_LICENSE("GPL"); |