Mauro Carvalho Chehab | 2c3fb08 | 2012-08-14 17:31:16 -0300 | [diff] [blame] | 1 | /* linux/drivers/media/platform/s5p-jpeg/jpeg-core.c |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 2 | * |
Jacek Anaszewski | 80529ae | 2013-12-18 11:04:44 -0300 | [diff] [blame] | 3 | * Copyright (c) 2011-2013 Samsung Electronics Co., Ltd. |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 4 | * http://www.samsung.com |
| 5 | * |
| 6 | * Author: Andrzej Pietrasiewicz <andrzej.p@samsung.com> |
Jacek Anaszewski | 80529ae | 2013-12-18 11:04:44 -0300 | [diff] [blame] | 7 | * Author: Jacek Anaszewski <j.anaszewski@samsung.com> |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 8 | * |
| 9 | * This program is free software; you can redistribute it and/or modify |
| 10 | * it under the terms of the GNU General Public License version 2 as |
| 11 | * published by the Free Software Foundation. |
| 12 | */ |
| 13 | |
| 14 | #include <linux/clk.h> |
| 15 | #include <linux/err.h> |
| 16 | #include <linux/gfp.h> |
| 17 | #include <linux/interrupt.h> |
| 18 | #include <linux/io.h> |
| 19 | #include <linux/kernel.h> |
| 20 | #include <linux/module.h> |
Sylwester Nawrocki | f7074ab | 2013-08-18 16:14:27 -0300 | [diff] [blame] | 21 | #include <linux/of.h> |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 22 | #include <linux/platform_device.h> |
| 23 | #include <linux/pm_runtime.h> |
| 24 | #include <linux/slab.h> |
| 25 | #include <linux/spinlock.h> |
| 26 | #include <linux/string.h> |
| 27 | #include <media/v4l2-mem2mem.h> |
| 28 | #include <media/v4l2-ioctl.h> |
| 29 | #include <media/videobuf2-core.h> |
| 30 | #include <media/videobuf2-dma-contig.h> |
| 31 | |
| 32 | #include "jpeg-core.h" |
Jacek Anaszewski | 9f7b62d | 2013-12-18 09:32:50 -0300 | [diff] [blame] | 33 | #include "jpeg-hw-s5p.h" |
Jacek Anaszewski | 80529ae | 2013-12-18 11:04:44 -0300 | [diff] [blame] | 34 | #include "jpeg-hw-exynos4.h" |
| 35 | #include "jpeg-regs.h" |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 36 | |
Jacek Anaszewski | 80529ae | 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 | .name = "JPEG JFIF", |
| 40 | .fourcc = V4L2_PIX_FMT_JPEG, |
Jacek Anaszewski | 80529ae | 2013-12-18 11:04:44 -0300 | [diff] [blame] | 41 | .flags = SJPEG_FMT_FLAG_ENC_CAPTURE | |
| 42 | SJPEG_FMT_FLAG_DEC_OUTPUT | |
| 43 | SJPEG_FMT_FLAG_S5P | |
| 44 | SJPEG_FMT_FLAG_EXYNOS4, |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 45 | }, |
| 46 | { |
| 47 | .name = "YUV 4:2:2 packed, YCbYCr", |
| 48 | .fourcc = V4L2_PIX_FMT_YUYV, |
| 49 | .depth = 16, |
| 50 | .colplanes = 1, |
| 51 | .h_align = 4, |
| 52 | .v_align = 3, |
Jacek Anaszewski | 80529ae | 2013-12-18 11:04:44 -0300 | [diff] [blame] | 53 | .flags = SJPEG_FMT_FLAG_ENC_OUTPUT | |
| 54 | SJPEG_FMT_FLAG_DEC_CAPTURE | |
| 55 | SJPEG_FMT_FLAG_S5P | |
| 56 | SJPEG_FMT_NON_RGB, |
| 57 | .subsampling = V4L2_JPEG_CHROMA_SUBSAMPLING_422, |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 58 | }, |
| 59 | { |
Jacek Anaszewski | 80529ae | 2013-12-18 11:04:44 -0300 | [diff] [blame] | 60 | .name = "YUV 4:2:2 packed, YCbYCr", |
| 61 | .fourcc = V4L2_PIX_FMT_YUYV, |
| 62 | .depth = 16, |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 63 | .colplanes = 1, |
Jacek Anaszewski | 80529ae | 2013-12-18 11:04:44 -0300 | [diff] [blame] | 64 | .h_align = 1, |
| 65 | .v_align = 0, |
| 66 | .flags = SJPEG_FMT_FLAG_ENC_OUTPUT | |
| 67 | SJPEG_FMT_FLAG_DEC_CAPTURE | |
| 68 | SJPEG_FMT_FLAG_EXYNOS4 | |
| 69 | SJPEG_FMT_NON_RGB, |
| 70 | .subsampling = V4L2_JPEG_CHROMA_SUBSAMPLING_422, |
| 71 | }, |
| 72 | { |
| 73 | .name = "YUV 4:2:2 packed, YCrYCb", |
| 74 | .fourcc = V4L2_PIX_FMT_YVYU, |
| 75 | .depth = 16, |
| 76 | .colplanes = 1, |
| 77 | .h_align = 1, |
| 78 | .v_align = 0, |
| 79 | .flags = SJPEG_FMT_FLAG_ENC_OUTPUT | |
| 80 | SJPEG_FMT_FLAG_DEC_CAPTURE | |
| 81 | SJPEG_FMT_FLAG_EXYNOS4 | |
| 82 | SJPEG_FMT_NON_RGB, |
| 83 | .subsampling = V4L2_JPEG_CHROMA_SUBSAMPLING_422, |
| 84 | }, |
| 85 | { |
| 86 | .name = "RGB565", |
| 87 | .fourcc = V4L2_PIX_FMT_RGB565, |
| 88 | .depth = 16, |
| 89 | .colplanes = 1, |
| 90 | .h_align = 0, |
| 91 | .v_align = 0, |
| 92 | .flags = SJPEG_FMT_FLAG_ENC_OUTPUT | |
| 93 | SJPEG_FMT_FLAG_DEC_CAPTURE | |
| 94 | SJPEG_FMT_FLAG_EXYNOS4 | |
| 95 | SJPEG_FMT_RGB, |
| 96 | .subsampling = V4L2_JPEG_CHROMA_SUBSAMPLING_444, |
| 97 | }, |
| 98 | { |
| 99 | .name = "RGB565", |
| 100 | .fourcc = V4L2_PIX_FMT_RGB565, |
| 101 | .depth = 16, |
| 102 | .colplanes = 1, |
| 103 | .h_align = 0, |
| 104 | .v_align = 0, |
| 105 | .flags = SJPEG_FMT_FLAG_ENC_OUTPUT | |
| 106 | SJPEG_FMT_FLAG_S5P | |
| 107 | SJPEG_FMT_RGB, |
| 108 | .subsampling = V4L2_JPEG_CHROMA_SUBSAMPLING_444, |
| 109 | }, |
| 110 | { |
| 111 | .name = "ARGB8888, 32 bpp", |
| 112 | .fourcc = V4L2_PIX_FMT_RGB32, |
| 113 | .depth = 32, |
| 114 | .colplanes = 1, |
| 115 | .h_align = 0, |
| 116 | .v_align = 0, |
| 117 | .flags = SJPEG_FMT_FLAG_ENC_OUTPUT | |
| 118 | SJPEG_FMT_FLAG_DEC_CAPTURE | |
| 119 | SJPEG_FMT_FLAG_EXYNOS4 | |
| 120 | SJPEG_FMT_RGB, |
| 121 | .subsampling = V4L2_JPEG_CHROMA_SUBSAMPLING_444, |
| 122 | }, |
| 123 | { |
| 124 | .name = "YUV 4:4:4 planar, Y/CbCr", |
| 125 | .fourcc = V4L2_PIX_FMT_NV24, |
| 126 | .depth = 24, |
| 127 | .colplanes = 2, |
| 128 | .h_align = 0, |
| 129 | .v_align = 0, |
| 130 | .flags = SJPEG_FMT_FLAG_ENC_OUTPUT | |
| 131 | SJPEG_FMT_FLAG_DEC_CAPTURE | |
| 132 | SJPEG_FMT_FLAG_EXYNOS4 | |
| 133 | SJPEG_FMT_NON_RGB, |
| 134 | .subsampling = V4L2_JPEG_CHROMA_SUBSAMPLING_444, |
| 135 | }, |
| 136 | { |
| 137 | .name = "YUV 4:4:4 planar, Y/CrCb", |
| 138 | .fourcc = V4L2_PIX_FMT_NV42, |
| 139 | .depth = 24, |
| 140 | .colplanes = 2, |
| 141 | .h_align = 0, |
| 142 | .v_align = 0, |
| 143 | .flags = SJPEG_FMT_FLAG_ENC_OUTPUT | |
| 144 | SJPEG_FMT_FLAG_DEC_CAPTURE | |
| 145 | SJPEG_FMT_FLAG_EXYNOS4 | |
| 146 | SJPEG_FMT_NON_RGB, |
| 147 | .subsampling = V4L2_JPEG_CHROMA_SUBSAMPLING_444, |
| 148 | }, |
| 149 | { |
| 150 | .name = "YUV 4:2:2 planar, Y/CrCb", |
| 151 | .fourcc = V4L2_PIX_FMT_NV61, |
| 152 | .depth = 16, |
| 153 | .colplanes = 2, |
| 154 | .h_align = 1, |
| 155 | .v_align = 0, |
| 156 | .flags = SJPEG_FMT_FLAG_ENC_OUTPUT | |
| 157 | SJPEG_FMT_FLAG_DEC_CAPTURE | |
| 158 | SJPEG_FMT_FLAG_EXYNOS4 | |
| 159 | SJPEG_FMT_NON_RGB, |
| 160 | .subsampling = V4L2_JPEG_CHROMA_SUBSAMPLING_422, |
| 161 | }, |
| 162 | { |
| 163 | .name = "YUV 4:2:2 planar, Y/CbCr", |
| 164 | .fourcc = V4L2_PIX_FMT_NV16, |
| 165 | .depth = 16, |
| 166 | .colplanes = 2, |
| 167 | .h_align = 1, |
| 168 | .v_align = 0, |
| 169 | .flags = SJPEG_FMT_FLAG_ENC_OUTPUT | |
| 170 | SJPEG_FMT_FLAG_DEC_CAPTURE | |
| 171 | SJPEG_FMT_FLAG_EXYNOS4 | |
| 172 | SJPEG_FMT_NON_RGB, |
| 173 | .subsampling = V4L2_JPEG_CHROMA_SUBSAMPLING_422, |
| 174 | }, |
| 175 | { |
| 176 | .name = "YUV 4:2:0 planar, Y/CbCr", |
| 177 | .fourcc = V4L2_PIX_FMT_NV12, |
Jacek Anaszewski | a62cffe | 2014-01-16 08:26:33 -0300 | [diff] [blame] | 178 | .depth = 12, |
Jacek Anaszewski | 80529ae | 2013-12-18 11:04:44 -0300 | [diff] [blame] | 179 | .colplanes = 2, |
| 180 | .h_align = 1, |
| 181 | .v_align = 1, |
| 182 | .flags = SJPEG_FMT_FLAG_ENC_OUTPUT | |
| 183 | SJPEG_FMT_FLAG_DEC_CAPTURE | |
| 184 | SJPEG_FMT_FLAG_EXYNOS4 | |
| 185 | SJPEG_FMT_NON_RGB, |
| 186 | .subsampling = V4L2_JPEG_CHROMA_SUBSAMPLING_420, |
| 187 | }, |
| 188 | { |
| 189 | .name = "YUV 4:2:0 planar, Y/CbCr", |
| 190 | .fourcc = V4L2_PIX_FMT_NV12, |
Jacek Anaszewski | a62cffe | 2014-01-16 08:26:33 -0300 | [diff] [blame] | 191 | .depth = 12, |
| 192 | .colplanes = 2, |
Jacek Anaszewski | 80529ae | 2013-12-18 11:04:44 -0300 | [diff] [blame] | 193 | .h_align = 4, |
Jacek Anaszewski | a62cffe | 2014-01-16 08:26:33 -0300 | [diff] [blame] | 194 | .v_align = 4, |
Jacek Anaszewski | 80529ae | 2013-12-18 11:04:44 -0300 | [diff] [blame] | 195 | .flags = SJPEG_FMT_FLAG_ENC_OUTPUT | |
| 196 | SJPEG_FMT_FLAG_DEC_CAPTURE | |
| 197 | SJPEG_FMT_FLAG_S5P | |
| 198 | SJPEG_FMT_NON_RGB, |
| 199 | .subsampling = V4L2_JPEG_CHROMA_SUBSAMPLING_420, |
| 200 | }, |
| 201 | { |
| 202 | .name = "YUV 4:2:0 planar, Y/CrCb", |
| 203 | .fourcc = V4L2_PIX_FMT_NV21, |
| 204 | .depth = 12, |
| 205 | .colplanes = 2, |
| 206 | .h_align = 1, |
| 207 | .v_align = 1, |
| 208 | .flags = SJPEG_FMT_FLAG_ENC_OUTPUT | |
| 209 | SJPEG_FMT_FLAG_DEC_CAPTURE | |
| 210 | SJPEG_FMT_FLAG_EXYNOS4 | |
| 211 | SJPEG_FMT_NON_RGB, |
| 212 | .subsampling = V4L2_JPEG_CHROMA_SUBSAMPLING_420, |
| 213 | }, |
| 214 | { |
| 215 | .name = "YUV 4:2:0 contiguous 3-planar, Y/Cb/Cr", |
| 216 | .fourcc = V4L2_PIX_FMT_YUV420, |
| 217 | .depth = 12, |
| 218 | .colplanes = 3, |
| 219 | .h_align = 1, |
| 220 | .v_align = 1, |
| 221 | .flags = SJPEG_FMT_FLAG_ENC_OUTPUT | |
| 222 | SJPEG_FMT_FLAG_DEC_CAPTURE | |
| 223 | SJPEG_FMT_FLAG_EXYNOS4 | |
| 224 | SJPEG_FMT_NON_RGB, |
| 225 | .subsampling = V4L2_JPEG_CHROMA_SUBSAMPLING_420, |
| 226 | }, |
| 227 | { |
| 228 | .name = "Gray", |
| 229 | .fourcc = V4L2_PIX_FMT_GREY, |
| 230 | .depth = 8, |
| 231 | .colplanes = 1, |
| 232 | .flags = SJPEG_FMT_FLAG_ENC_OUTPUT | |
| 233 | SJPEG_FMT_FLAG_DEC_CAPTURE | |
| 234 | SJPEG_FMT_FLAG_EXYNOS4 | |
| 235 | SJPEG_FMT_NON_RGB, |
| 236 | .subsampling = V4L2_JPEG_CHROMA_SUBSAMPLING_GRAY, |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 237 | }, |
| 238 | }; |
Jacek Anaszewski | 80529ae | 2013-12-18 11:04:44 -0300 | [diff] [blame] | 239 | #define SJPEG_NUM_FORMATS ARRAY_SIZE(sjpeg_formats) |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 240 | |
| 241 | static const unsigned char qtbl_luminance[4][64] = { |
Jacek Anaszewski | 78e5a3c | 2013-11-25 06:58:08 -0300 | [diff] [blame] | 242 | {/*level 0 - high compression quality */ |
| 243 | 20, 16, 25, 39, 50, 46, 62, 68, |
| 244 | 16, 18, 23, 38, 38, 53, 65, 68, |
| 245 | 25, 23, 31, 38, 53, 65, 68, 68, |
| 246 | 39, 38, 38, 53, 65, 68, 68, 68, |
| 247 | 50, 38, 53, 65, 68, 68, 68, 68, |
| 248 | 46, 53, 65, 68, 68, 68, 68, 68, |
| 249 | 62, 65, 68, 68, 68, 68, 68, 68, |
| 250 | 68, 68, 68, 68, 68, 68, 68, 68 |
| 251 | }, |
| 252 | {/* level 1 */ |
| 253 | 16, 11, 11, 16, 23, 27, 31, 30, |
| 254 | 11, 12, 12, 15, 20, 23, 23, 30, |
| 255 | 11, 12, 13, 16, 23, 26, 35, 47, |
| 256 | 16, 15, 16, 23, 26, 37, 47, 64, |
| 257 | 23, 20, 23, 26, 39, 51, 64, 64, |
| 258 | 27, 23, 26, 37, 51, 64, 64, 64, |
| 259 | 31, 23, 35, 47, 64, 64, 64, 64, |
| 260 | 30, 30, 47, 64, 64, 64, 64, 64 |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 261 | }, |
| 262 | {/* level 2 */ |
| 263 | 12, 8, 8, 12, 17, 21, 24, 23, |
| 264 | 8, 9, 9, 11, 15, 19, 18, 23, |
| 265 | 8, 9, 10, 12, 19, 20, 27, 36, |
| 266 | 12, 11, 12, 21, 20, 28, 36, 53, |
| 267 | 17, 15, 19, 20, 30, 39, 51, 59, |
| 268 | 21, 19, 20, 28, 39, 51, 59, 59, |
| 269 | 24, 18, 27, 36, 51, 59, 59, 59, |
| 270 | 23, 23, 36, 53, 59, 59, 59, 59 |
| 271 | }, |
Jacek Anaszewski | 78e5a3c | 2013-11-25 06:58:08 -0300 | [diff] [blame] | 272 | {/* level 3 - low compression quality */ |
| 273 | 8, 6, 6, 8, 12, 14, 16, 17, |
| 274 | 6, 6, 6, 8, 10, 13, 12, 15, |
| 275 | 6, 6, 7, 8, 13, 14, 18, 24, |
| 276 | 8, 8, 8, 14, 13, 19, 24, 35, |
| 277 | 12, 10, 13, 13, 20, 26, 34, 39, |
| 278 | 14, 13, 14, 19, 26, 34, 39, 39, |
| 279 | 16, 12, 18, 24, 34, 39, 39, 39, |
| 280 | 17, 15, 24, 35, 39, 39, 39, 39 |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 281 | } |
| 282 | }; |
| 283 | |
| 284 | static const unsigned char qtbl_chrominance[4][64] = { |
Jacek Anaszewski | 78e5a3c | 2013-11-25 06:58:08 -0300 | [diff] [blame] | 285 | {/*level 0 - high compression quality */ |
| 286 | 21, 25, 32, 38, 54, 68, 68, 68, |
| 287 | 25, 28, 24, 38, 54, 68, 68, 68, |
| 288 | 32, 24, 32, 43, 66, 68, 68, 68, |
| 289 | 38, 38, 43, 53, 68, 68, 68, 68, |
| 290 | 54, 54, 66, 68, 68, 68, 68, 68, |
| 291 | 68, 68, 68, 68, 68, 68, 68, 68, |
| 292 | 68, 68, 68, 68, 68, 68, 68, 68, |
| 293 | 68, 68, 68, 68, 68, 68, 68, 68 |
| 294 | }, |
| 295 | {/* level 1 */ |
| 296 | 17, 15, 17, 21, 20, 26, 38, 48, |
| 297 | 15, 19, 18, 17, 20, 26, 35, 43, |
| 298 | 17, 18, 20, 22, 26, 30, 46, 53, |
| 299 | 21, 17, 22, 28, 30, 39, 53, 64, |
| 300 | 20, 20, 26, 30, 39, 48, 64, 64, |
| 301 | 26, 26, 30, 39, 48, 63, 64, 64, |
| 302 | 38, 35, 46, 53, 64, 64, 64, 64, |
| 303 | 48, 43, 53, 64, 64, 64, 64, 64 |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 304 | }, |
| 305 | {/* level 2 */ |
| 306 | 13, 11, 13, 16, 20, 20, 29, 37, |
| 307 | 11, 14, 14, 14, 16, 20, 26, 32, |
| 308 | 13, 14, 15, 17, 20, 23, 35, 40, |
| 309 | 16, 14, 17, 21, 23, 30, 40, 50, |
| 310 | 20, 16, 20, 23, 30, 37, 50, 59, |
| 311 | 20, 20, 23, 30, 37, 48, 59, 59, |
| 312 | 29, 26, 35, 40, 50, 59, 59, 59, |
| 313 | 37, 32, 40, 50, 59, 59, 59, 59 |
| 314 | }, |
Jacek Anaszewski | 78e5a3c | 2013-11-25 06:58:08 -0300 | [diff] [blame] | 315 | {/* level 3 - low compression quality */ |
| 316 | 9, 8, 9, 11, 14, 17, 19, 24, |
| 317 | 8, 10, 9, 11, 14, 13, 17, 22, |
| 318 | 9, 9, 13, 14, 13, 15, 23, 26, |
| 319 | 11, 11, 14, 14, 15, 20, 26, 33, |
| 320 | 14, 14, 13, 15, 20, 24, 33, 39, |
| 321 | 17, 13, 15, 20, 24, 32, 39, 39, |
| 322 | 19, 17, 23, 26, 33, 39, 39, 39, |
| 323 | 24, 22, 26, 33, 39, 39, 39, 39 |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 324 | } |
| 325 | }; |
| 326 | |
| 327 | static const unsigned char hdctbl0[16] = { |
| 328 | 0, 1, 5, 1, 1, 1, 1, 1, 1, 0, 0, 0, 0, 0, 0, 0 |
| 329 | }; |
| 330 | |
| 331 | static const unsigned char hdctblg0[12] = { |
| 332 | 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 0xa, 0xb |
| 333 | }; |
| 334 | static const unsigned char hactbl0[16] = { |
| 335 | 0, 2, 1, 3, 3, 2, 4, 3, 5, 5, 4, 4, 0, 0, 1, 0x7d |
| 336 | }; |
| 337 | static const unsigned char hactblg0[162] = { |
| 338 | 0x01, 0x02, 0x03, 0x00, 0x04, 0x11, 0x05, 0x12, |
| 339 | 0x21, 0x31, 0x41, 0x06, 0x13, 0x51, 0x61, 0x07, |
| 340 | 0x22, 0x71, 0x14, 0x32, 0x81, 0x91, 0xa1, 0x08, |
| 341 | 0x23, 0x42, 0xb1, 0xc1, 0x15, 0x52, 0xd1, 0xf0, |
| 342 | 0x24, 0x33, 0x62, 0x72, 0x82, 0x09, 0x0a, 0x16, |
| 343 | 0x17, 0x18, 0x19, 0x1a, 0x25, 0x26, 0x27, 0x28, |
| 344 | 0x29, 0x2a, 0x34, 0x35, 0x36, 0x37, 0x38, 0x39, |
| 345 | 0x3a, 0x43, 0x44, 0x45, 0x46, 0x47, 0x48, 0x49, |
| 346 | 0x4a, 0x53, 0x54, 0x55, 0x56, 0x57, 0x58, 0x59, |
| 347 | 0x5a, 0x63, 0x64, 0x65, 0x66, 0x67, 0x68, 0x69, |
| 348 | 0x6a, 0x73, 0x74, 0x75, 0x76, 0x77, 0x78, 0x79, |
| 349 | 0x7a, 0x83, 0x84, 0x85, 0x86, 0x87, 0x88, 0x89, |
| 350 | 0x8a, 0x92, 0x93, 0x94, 0x95, 0x96, 0x97, 0x98, |
| 351 | 0x99, 0x9a, 0xa2, 0xa3, 0xa4, 0xa5, 0xa6, 0xa7, |
| 352 | 0xa8, 0xa9, 0xaa, 0xb2, 0xb3, 0xb4, 0xb5, 0xb6, |
| 353 | 0xb7, 0xb8, 0xb9, 0xba, 0xc2, 0xc3, 0xc4, 0xc5, |
| 354 | 0xc6, 0xc7, 0xc8, 0xc9, 0xca, 0xd2, 0xd3, 0xd4, |
| 355 | 0xd5, 0xd6, 0xd7, 0xd8, 0xd9, 0xda, 0xe1, 0xe2, |
| 356 | 0xe3, 0xe4, 0xe5, 0xe6, 0xe7, 0xe8, 0xe9, 0xea, |
| 357 | 0xf1, 0xf2, 0xf3, 0xf4, 0xf5, 0xf6, 0xf7, 0xf8, |
| 358 | 0xf9, 0xfa |
| 359 | }; |
| 360 | |
Jacek Anaszewski | 337777a | 2013-11-22 06:13:34 -0300 | [diff] [blame] | 361 | /* |
| 362 | * Fourcc downgrade schema lookup tables for 422 and 420 |
| 363 | * chroma subsampling - fourcc on each position maps on the |
| 364 | * fourcc from the table fourcc_to_dwngrd_schema_id which allows |
| 365 | * to get the most suitable fourcc counterpart for the given |
| 366 | * downgraded subsampling property. |
| 367 | */ |
| 368 | static const u32 subs422_fourcc_dwngrd_schema[] = { |
| 369 | V4L2_PIX_FMT_NV16, |
| 370 | V4L2_PIX_FMT_NV61, |
| 371 | }; |
| 372 | |
| 373 | static const u32 subs420_fourcc_dwngrd_schema[] = { |
| 374 | V4L2_PIX_FMT_NV12, |
| 375 | V4L2_PIX_FMT_NV21, |
| 376 | V4L2_PIX_FMT_NV12, |
| 377 | V4L2_PIX_FMT_NV21, |
| 378 | V4L2_PIX_FMT_NV12, |
| 379 | V4L2_PIX_FMT_NV21, |
| 380 | V4L2_PIX_FMT_GREY, |
| 381 | V4L2_PIX_FMT_GREY, |
| 382 | V4L2_PIX_FMT_GREY, |
| 383 | V4L2_PIX_FMT_GREY, |
| 384 | }; |
| 385 | |
| 386 | /* |
| 387 | * Lookup table for translation of a fourcc to the position |
| 388 | * of its downgraded counterpart in the *fourcc_dwngrd_schema |
| 389 | * tables. |
| 390 | */ |
| 391 | static const u32 fourcc_to_dwngrd_schema_id[] = { |
| 392 | V4L2_PIX_FMT_NV24, |
| 393 | V4L2_PIX_FMT_NV42, |
| 394 | V4L2_PIX_FMT_NV16, |
| 395 | V4L2_PIX_FMT_NV61, |
| 396 | V4L2_PIX_FMT_YUYV, |
| 397 | V4L2_PIX_FMT_YVYU, |
| 398 | V4L2_PIX_FMT_NV12, |
| 399 | V4L2_PIX_FMT_NV21, |
| 400 | V4L2_PIX_FMT_YUV420, |
| 401 | V4L2_PIX_FMT_GREY, |
| 402 | }; |
| 403 | |
| 404 | static int s5p_jpeg_get_dwngrd_sch_id_by_fourcc(u32 fourcc) |
| 405 | { |
| 406 | int i; |
| 407 | for (i = 0; i < ARRAY_SIZE(fourcc_to_dwngrd_schema_id); ++i) { |
| 408 | if (fourcc_to_dwngrd_schema_id[i] == fourcc) |
| 409 | return i; |
| 410 | } |
| 411 | |
| 412 | return -EINVAL; |
| 413 | } |
| 414 | |
| 415 | static int s5p_jpeg_adjust_fourcc_to_subsampling( |
| 416 | enum v4l2_jpeg_chroma_subsampling subs, |
| 417 | u32 in_fourcc, |
| 418 | u32 *out_fourcc, |
| 419 | struct s5p_jpeg_ctx *ctx) |
| 420 | { |
| 421 | int dwngrd_sch_id; |
| 422 | |
| 423 | if (ctx->subsampling != V4L2_JPEG_CHROMA_SUBSAMPLING_GRAY) { |
| 424 | dwngrd_sch_id = |
| 425 | s5p_jpeg_get_dwngrd_sch_id_by_fourcc(in_fourcc); |
| 426 | if (dwngrd_sch_id < 0) |
| 427 | return -EINVAL; |
| 428 | } |
| 429 | |
| 430 | switch (ctx->subsampling) { |
| 431 | case V4L2_JPEG_CHROMA_SUBSAMPLING_GRAY: |
| 432 | *out_fourcc = V4L2_PIX_FMT_GREY; |
| 433 | break; |
| 434 | case V4L2_JPEG_CHROMA_SUBSAMPLING_420: |
| 435 | if (dwngrd_sch_id > |
| 436 | ARRAY_SIZE(subs420_fourcc_dwngrd_schema) - 1) |
| 437 | return -EINVAL; |
| 438 | *out_fourcc = subs420_fourcc_dwngrd_schema[dwngrd_sch_id]; |
| 439 | break; |
| 440 | case V4L2_JPEG_CHROMA_SUBSAMPLING_422: |
| 441 | if (dwngrd_sch_id > |
| 442 | ARRAY_SIZE(subs422_fourcc_dwngrd_schema) - 1) |
| 443 | return -EINVAL; |
| 444 | *out_fourcc = subs422_fourcc_dwngrd_schema[dwngrd_sch_id]; |
| 445 | break; |
| 446 | default: |
| 447 | *out_fourcc = V4L2_PIX_FMT_GREY; |
| 448 | break; |
| 449 | } |
| 450 | |
| 451 | return 0; |
| 452 | } |
| 453 | |
Jacek Anaszewski | 303b0a9 | 2013-12-18 11:14:00 -0300 | [diff] [blame] | 454 | static int exynos4x12_decoded_subsampling[] = { |
| 455 | V4L2_JPEG_CHROMA_SUBSAMPLING_GRAY, |
| 456 | V4L2_JPEG_CHROMA_SUBSAMPLING_444, |
| 457 | V4L2_JPEG_CHROMA_SUBSAMPLING_422, |
| 458 | V4L2_JPEG_CHROMA_SUBSAMPLING_420, |
| 459 | }; |
| 460 | |
Sylwester Nawrocki | 15f4bc3 | 2012-02-17 11:39:36 -0300 | [diff] [blame] | 461 | static inline struct s5p_jpeg_ctx *ctrl_to_ctx(struct v4l2_ctrl *c) |
| 462 | { |
| 463 | return container_of(c->handler, struct s5p_jpeg_ctx, ctrl_handler); |
| 464 | } |
| 465 | |
Sylwester Nawrocki | 275de24 | 2012-02-17 11:38:09 -0300 | [diff] [blame] | 466 | static inline struct s5p_jpeg_ctx *fh_to_ctx(struct v4l2_fh *fh) |
| 467 | { |
| 468 | return container_of(fh, struct s5p_jpeg_ctx, fh); |
| 469 | } |
| 470 | |
Jacek Anaszewski | 303b0a9 | 2013-12-18 11:14:00 -0300 | [diff] [blame] | 471 | static int s5p_jpeg_to_user_subsampling(struct s5p_jpeg_ctx *ctx) |
| 472 | { |
| 473 | WARN_ON(ctx->subsampling > 3); |
| 474 | |
| 475 | if (ctx->jpeg->variant->version == SJPEG_S5P) { |
| 476 | if (ctx->subsampling > 2) |
| 477 | return V4L2_JPEG_CHROMA_SUBSAMPLING_GRAY; |
| 478 | return ctx->subsampling; |
| 479 | } else { |
| 480 | if (ctx->subsampling > 2) |
| 481 | return V4L2_JPEG_CHROMA_SUBSAMPLING_420; |
| 482 | return exynos4x12_decoded_subsampling[ctx->subsampling]; |
| 483 | } |
| 484 | } |
| 485 | |
Jacek Anaszewski | 31dc0ac | 2013-11-25 06:58:12 -0300 | [diff] [blame] | 486 | static inline void s5p_jpeg_set_qtbl(void __iomem *regs, |
| 487 | const unsigned char *qtbl, |
| 488 | unsigned long tab, int len) |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 489 | { |
| 490 | int i; |
| 491 | |
| 492 | for (i = 0; i < len; i++) |
| 493 | writel((unsigned int)qtbl[i], regs + tab + (i * 0x04)); |
| 494 | } |
| 495 | |
Jacek Anaszewski | 31dc0ac | 2013-11-25 06:58:12 -0300 | [diff] [blame] | 496 | 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] | 497 | { |
| 498 | /* this driver fills quantisation table 0 with data for luma */ |
Jacek Anaszewski | 31dc0ac | 2013-11-25 06:58:12 -0300 | [diff] [blame] | 499 | s5p_jpeg_set_qtbl(regs, qtbl_luminance[quality], |
| 500 | S5P_JPG_QTBL_CONTENT(0), |
| 501 | ARRAY_SIZE(qtbl_luminance[quality])); |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 502 | } |
| 503 | |
Jacek Anaszewski | 31dc0ac | 2013-11-25 06:58:12 -0300 | [diff] [blame] | 504 | 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] | 505 | { |
| 506 | /* this driver fills quantisation table 1 with data for chroma */ |
Jacek Anaszewski | 31dc0ac | 2013-11-25 06:58:12 -0300 | [diff] [blame] | 507 | s5p_jpeg_set_qtbl(regs, qtbl_chrominance[quality], |
| 508 | S5P_JPG_QTBL_CONTENT(1), |
| 509 | ARRAY_SIZE(qtbl_chrominance[quality])); |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 510 | } |
| 511 | |
Jacek Anaszewski | 31dc0ac | 2013-11-25 06:58:12 -0300 | [diff] [blame] | 512 | static inline void s5p_jpeg_set_htbl(void __iomem *regs, |
| 513 | const unsigned char *htbl, |
| 514 | unsigned long tab, int len) |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 515 | { |
| 516 | int i; |
| 517 | |
| 518 | for (i = 0; i < len; i++) |
| 519 | writel((unsigned int)htbl[i], regs + tab + (i * 0x04)); |
| 520 | } |
| 521 | |
Jacek Anaszewski | 31dc0ac | 2013-11-25 06:58:12 -0300 | [diff] [blame] | 522 | static inline void s5p_jpeg_set_hdctbl(void __iomem *regs) |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 523 | { |
| 524 | /* this driver fills table 0 for this component */ |
Jacek Anaszewski | 31dc0ac | 2013-11-25 06:58:12 -0300 | [diff] [blame] | 525 | s5p_jpeg_set_htbl(regs, hdctbl0, S5P_JPG_HDCTBL(0), |
| 526 | ARRAY_SIZE(hdctbl0)); |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 527 | } |
| 528 | |
Jacek Anaszewski | 31dc0ac | 2013-11-25 06:58:12 -0300 | [diff] [blame] | 529 | static inline void s5p_jpeg_set_hdctblg(void __iomem *regs) |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 530 | { |
| 531 | /* this driver fills table 0 for this component */ |
Jacek Anaszewski | 31dc0ac | 2013-11-25 06:58:12 -0300 | [diff] [blame] | 532 | s5p_jpeg_set_htbl(regs, hdctblg0, S5P_JPG_HDCTBLG(0), |
| 533 | ARRAY_SIZE(hdctblg0)); |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 534 | } |
| 535 | |
Jacek Anaszewski | 31dc0ac | 2013-11-25 06:58:12 -0300 | [diff] [blame] | 536 | static inline void s5p_jpeg_set_hactbl(void __iomem *regs) |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 537 | { |
| 538 | /* this driver fills table 0 for this component */ |
Jacek Anaszewski | 31dc0ac | 2013-11-25 06:58:12 -0300 | [diff] [blame] | 539 | s5p_jpeg_set_htbl(regs, hactbl0, S5P_JPG_HACTBL(0), |
| 540 | ARRAY_SIZE(hactbl0)); |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 541 | } |
| 542 | |
Jacek Anaszewski | 31dc0ac | 2013-11-25 06:58:12 -0300 | [diff] [blame] | 543 | static inline void s5p_jpeg_set_hactblg(void __iomem *regs) |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 544 | { |
| 545 | /* this driver fills table 0 for this component */ |
Jacek Anaszewski | 31dc0ac | 2013-11-25 06:58:12 -0300 | [diff] [blame] | 546 | s5p_jpeg_set_htbl(regs, hactblg0, S5P_JPG_HACTBLG(0), |
| 547 | ARRAY_SIZE(hactblg0)); |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 548 | } |
| 549 | |
Jacek Anaszewski | 80529ae | 2013-12-18 11:04:44 -0300 | [diff] [blame] | 550 | static inline void exynos4_jpeg_set_tbl(void __iomem *regs, |
| 551 | const unsigned char *tbl, |
| 552 | unsigned long tab, int len) |
| 553 | { |
| 554 | int i; |
| 555 | unsigned int dword; |
| 556 | |
| 557 | for (i = 0; i < len; i += 4) { |
| 558 | dword = tbl[i] | |
| 559 | (tbl[i + 1] << 8) | |
| 560 | (tbl[i + 2] << 16) | |
| 561 | (tbl[i + 3] << 24); |
| 562 | writel(dword, regs + tab + i); |
| 563 | } |
| 564 | } |
| 565 | |
| 566 | static inline void exynos4_jpeg_set_qtbl_lum(void __iomem *regs, int quality) |
| 567 | { |
| 568 | /* this driver fills quantisation table 0 with data for luma */ |
| 569 | exynos4_jpeg_set_tbl(regs, qtbl_luminance[quality], |
| 570 | EXYNOS4_QTBL_CONTENT(0), |
| 571 | ARRAY_SIZE(qtbl_luminance[quality])); |
| 572 | } |
| 573 | |
| 574 | static inline void exynos4_jpeg_set_qtbl_chr(void __iomem *regs, int quality) |
| 575 | { |
| 576 | /* this driver fills quantisation table 1 with data for chroma */ |
| 577 | exynos4_jpeg_set_tbl(regs, qtbl_chrominance[quality], |
| 578 | EXYNOS4_QTBL_CONTENT(1), |
| 579 | ARRAY_SIZE(qtbl_chrominance[quality])); |
| 580 | } |
| 581 | |
| 582 | void exynos4_jpeg_set_huff_tbl(void __iomem *base) |
| 583 | { |
| 584 | exynos4_jpeg_set_tbl(base, hdctbl0, EXYNOS4_HUFF_TBL_HDCLL, |
| 585 | ARRAY_SIZE(hdctbl0)); |
| 586 | exynos4_jpeg_set_tbl(base, hdctbl0, EXYNOS4_HUFF_TBL_HDCCL, |
| 587 | ARRAY_SIZE(hdctbl0)); |
| 588 | exynos4_jpeg_set_tbl(base, hdctblg0, EXYNOS4_HUFF_TBL_HDCLV, |
| 589 | ARRAY_SIZE(hdctblg0)); |
| 590 | exynos4_jpeg_set_tbl(base, hdctblg0, EXYNOS4_HUFF_TBL_HDCCV, |
| 591 | ARRAY_SIZE(hdctblg0)); |
| 592 | exynos4_jpeg_set_tbl(base, hactbl0, EXYNOS4_HUFF_TBL_HACLL, |
| 593 | ARRAY_SIZE(hactbl0)); |
| 594 | exynos4_jpeg_set_tbl(base, hactbl0, EXYNOS4_HUFF_TBL_HACCL, |
| 595 | ARRAY_SIZE(hactbl0)); |
| 596 | exynos4_jpeg_set_tbl(base, hactblg0, EXYNOS4_HUFF_TBL_HACLV, |
| 597 | ARRAY_SIZE(hactblg0)); |
| 598 | exynos4_jpeg_set_tbl(base, hactblg0, EXYNOS4_HUFF_TBL_HACCV, |
| 599 | ARRAY_SIZE(hactblg0)); |
| 600 | } |
| 601 | |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 602 | /* |
| 603 | * ============================================================================ |
| 604 | * Device file operations |
| 605 | * ============================================================================ |
| 606 | */ |
| 607 | |
| 608 | static int queue_init(void *priv, struct vb2_queue *src_vq, |
| 609 | struct vb2_queue *dst_vq); |
Jacek Anaszewski | 80529ae | 2013-12-18 11:04:44 -0300 | [diff] [blame] | 610 | static struct s5p_jpeg_fmt *s5p_jpeg_find_format(struct s5p_jpeg_ctx *ctx, |
| 611 | __u32 pixelformat, unsigned int fmt_type); |
Sylwester Nawrocki | 15f4bc3 | 2012-02-17 11:39:36 -0300 | [diff] [blame] | 612 | static int s5p_jpeg_controls_create(struct s5p_jpeg_ctx *ctx); |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 613 | |
| 614 | static int s5p_jpeg_open(struct file *file) |
| 615 | { |
| 616 | struct s5p_jpeg *jpeg = video_drvdata(file); |
| 617 | struct video_device *vfd = video_devdata(file); |
| 618 | struct s5p_jpeg_ctx *ctx; |
Jacek Anaszewski | 80529ae | 2013-12-18 11:04:44 -0300 | [diff] [blame] | 619 | struct s5p_jpeg_fmt *out_fmt, *cap_fmt; |
Sylwester Nawrocki | 275de24 | 2012-02-17 11:38:09 -0300 | [diff] [blame] | 620 | int ret = 0; |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 621 | |
Sachin Kamat | b5146c9 | 2012-08-16 08:52:58 -0300 | [diff] [blame] | 622 | ctx = kzalloc(sizeof(*ctx), GFP_KERNEL); |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 623 | if (!ctx) |
| 624 | return -ENOMEM; |
| 625 | |
Hans Verkuil | b0d5cd6 | 2012-06-24 06:54:18 -0300 | [diff] [blame] | 626 | if (mutex_lock_interruptible(&jpeg->lock)) { |
| 627 | ret = -ERESTARTSYS; |
| 628 | goto free; |
| 629 | } |
| 630 | |
Sylwester Nawrocki | 275de24 | 2012-02-17 11:38:09 -0300 | [diff] [blame] | 631 | v4l2_fh_init(&ctx->fh, vfd); |
Sylwester Nawrocki | 15f4bc3 | 2012-02-17 11:39:36 -0300 | [diff] [blame] | 632 | /* Use separate control handler per file handle */ |
| 633 | ctx->fh.ctrl_handler = &ctx->ctrl_handler; |
Sylwester Nawrocki | 275de24 | 2012-02-17 11:38:09 -0300 | [diff] [blame] | 634 | file->private_data = &ctx->fh; |
| 635 | v4l2_fh_add(&ctx->fh); |
| 636 | |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 637 | ctx->jpeg = jpeg; |
| 638 | if (vfd == jpeg->vfd_encoder) { |
| 639 | ctx->mode = S5P_JPEG_ENCODE; |
Jacek Anaszewski | 80529ae | 2013-12-18 11:04:44 -0300 | [diff] [blame] | 640 | out_fmt = s5p_jpeg_find_format(ctx, V4L2_PIX_FMT_RGB565, |
| 641 | FMT_TYPE_OUTPUT); |
| 642 | cap_fmt = s5p_jpeg_find_format(ctx, V4L2_PIX_FMT_JPEG, |
| 643 | FMT_TYPE_CAPTURE); |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 644 | } else { |
| 645 | ctx->mode = S5P_JPEG_DECODE; |
Jacek Anaszewski | 80529ae | 2013-12-18 11:04:44 -0300 | [diff] [blame] | 646 | out_fmt = s5p_jpeg_find_format(ctx, V4L2_PIX_FMT_JPEG, |
| 647 | FMT_TYPE_OUTPUT); |
| 648 | cap_fmt = s5p_jpeg_find_format(ctx, V4L2_PIX_FMT_YUYV, |
| 649 | FMT_TYPE_CAPTURE); |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 650 | } |
| 651 | |
Sylwester Nawrocki | 718cf4a | 2013-08-25 17:16:56 -0300 | [diff] [blame] | 652 | ctx->fh.m2m_ctx = v4l2_m2m_ctx_init(jpeg->m2m_dev, ctx, queue_init); |
| 653 | if (IS_ERR(ctx->fh.m2m_ctx)) { |
| 654 | ret = PTR_ERR(ctx->fh.m2m_ctx); |
Sylwester Nawrocki | 275de24 | 2012-02-17 11:38:09 -0300 | [diff] [blame] | 655 | goto error; |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 656 | } |
| 657 | |
| 658 | ctx->out_q.fmt = out_fmt; |
Jacek Anaszewski | 80529ae | 2013-12-18 11:04:44 -0300 | [diff] [blame] | 659 | ctx->cap_q.fmt = cap_fmt; |
| 660 | |
| 661 | ret = s5p_jpeg_controls_create(ctx); |
| 662 | if (ret < 0) |
| 663 | goto error; |
| 664 | |
Hans Verkuil | b0d5cd6 | 2012-06-24 06:54:18 -0300 | [diff] [blame] | 665 | mutex_unlock(&jpeg->lock); |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 666 | return 0; |
Sylwester Nawrocki | 275de24 | 2012-02-17 11:38:09 -0300 | [diff] [blame] | 667 | |
| 668 | error: |
| 669 | v4l2_fh_del(&ctx->fh); |
| 670 | v4l2_fh_exit(&ctx->fh); |
Hans Verkuil | b0d5cd6 | 2012-06-24 06:54:18 -0300 | [diff] [blame] | 671 | mutex_unlock(&jpeg->lock); |
| 672 | free: |
Sylwester Nawrocki | 275de24 | 2012-02-17 11:38:09 -0300 | [diff] [blame] | 673 | kfree(ctx); |
| 674 | return ret; |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 675 | } |
| 676 | |
| 677 | static int s5p_jpeg_release(struct file *file) |
| 678 | { |
Hans Verkuil | b0d5cd6 | 2012-06-24 06:54:18 -0300 | [diff] [blame] | 679 | struct s5p_jpeg *jpeg = video_drvdata(file); |
Sylwester Nawrocki | 275de24 | 2012-02-17 11:38:09 -0300 | [diff] [blame] | 680 | struct s5p_jpeg_ctx *ctx = fh_to_ctx(file->private_data); |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 681 | |
Hans Verkuil | b0d5cd6 | 2012-06-24 06:54:18 -0300 | [diff] [blame] | 682 | mutex_lock(&jpeg->lock); |
Sylwester Nawrocki | 718cf4a | 2013-08-25 17:16:56 -0300 | [diff] [blame] | 683 | v4l2_m2m_ctx_release(ctx->fh.m2m_ctx); |
Sylwester Nawrocki | 15f4bc3 | 2012-02-17 11:39:36 -0300 | [diff] [blame] | 684 | v4l2_ctrl_handler_free(&ctx->ctrl_handler); |
Sylwester Nawrocki | 275de24 | 2012-02-17 11:38:09 -0300 | [diff] [blame] | 685 | v4l2_fh_del(&ctx->fh); |
| 686 | v4l2_fh_exit(&ctx->fh); |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 687 | kfree(ctx); |
Jacek Anaszewski | 80529ae | 2013-12-18 11:04:44 -0300 | [diff] [blame] | 688 | mutex_unlock(&jpeg->lock); |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 689 | |
| 690 | return 0; |
| 691 | } |
| 692 | |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 693 | static const struct v4l2_file_operations s5p_jpeg_fops = { |
| 694 | .owner = THIS_MODULE, |
| 695 | .open = s5p_jpeg_open, |
| 696 | .release = s5p_jpeg_release, |
Sylwester Nawrocki | 718cf4a | 2013-08-25 17:16:56 -0300 | [diff] [blame] | 697 | .poll = v4l2_m2m_fop_poll, |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 698 | .unlocked_ioctl = video_ioctl2, |
Sylwester Nawrocki | 718cf4a | 2013-08-25 17:16:56 -0300 | [diff] [blame] | 699 | .mmap = v4l2_m2m_fop_mmap, |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 700 | }; |
| 701 | |
| 702 | /* |
| 703 | * ============================================================================ |
| 704 | * video ioctl operations |
| 705 | * ============================================================================ |
| 706 | */ |
| 707 | |
| 708 | static int get_byte(struct s5p_jpeg_buffer *buf) |
| 709 | { |
| 710 | if (buf->curr >= buf->size) |
| 711 | return -1; |
| 712 | |
| 713 | return ((unsigned char *)buf->data)[buf->curr++]; |
| 714 | } |
| 715 | |
| 716 | static int get_word_be(struct s5p_jpeg_buffer *buf, unsigned int *word) |
| 717 | { |
| 718 | unsigned int temp; |
| 719 | int byte; |
| 720 | |
| 721 | byte = get_byte(buf); |
| 722 | if (byte == -1) |
| 723 | return -1; |
| 724 | temp = byte << 8; |
| 725 | byte = get_byte(buf); |
| 726 | if (byte == -1) |
| 727 | return -1; |
| 728 | *word = (unsigned int)byte | temp; |
| 729 | return 0; |
| 730 | } |
| 731 | |
| 732 | static void skip(struct s5p_jpeg_buffer *buf, long len) |
| 733 | { |
| 734 | if (len <= 0) |
| 735 | return; |
| 736 | |
| 737 | while (len--) |
| 738 | get_byte(buf); |
| 739 | } |
| 740 | |
| 741 | static bool s5p_jpeg_parse_hdr(struct s5p_jpeg_q_data *result, |
Jacek Anaszewski | f843396 | 2013-11-21 13:33:09 -0300 | [diff] [blame] | 742 | unsigned long buffer, unsigned long size, |
| 743 | struct s5p_jpeg_ctx *ctx) |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 744 | { |
| 745 | int c, components, notfound; |
Jacek Anaszewski | f843396 | 2013-11-21 13:33:09 -0300 | [diff] [blame] | 746 | unsigned int height, width, word, subsampling = 0; |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 747 | long length; |
| 748 | struct s5p_jpeg_buffer jpeg_buffer; |
| 749 | |
| 750 | jpeg_buffer.size = size; |
| 751 | jpeg_buffer.data = buffer; |
| 752 | jpeg_buffer.curr = 0; |
| 753 | |
| 754 | notfound = 1; |
| 755 | while (notfound) { |
| 756 | c = get_byte(&jpeg_buffer); |
| 757 | if (c == -1) |
| 758 | break; |
| 759 | if (c != 0xff) |
| 760 | continue; |
| 761 | do |
| 762 | c = get_byte(&jpeg_buffer); |
| 763 | while (c == 0xff); |
| 764 | if (c == -1) |
| 765 | break; |
| 766 | if (c == 0) |
| 767 | continue; |
| 768 | length = 0; |
| 769 | switch (c) { |
| 770 | /* SOF0: baseline JPEG */ |
| 771 | case SOF0: |
| 772 | if (get_word_be(&jpeg_buffer, &word)) |
| 773 | break; |
| 774 | if (get_byte(&jpeg_buffer) == -1) |
| 775 | break; |
| 776 | if (get_word_be(&jpeg_buffer, &height)) |
| 777 | break; |
| 778 | if (get_word_be(&jpeg_buffer, &width)) |
| 779 | break; |
| 780 | components = get_byte(&jpeg_buffer); |
| 781 | if (components == -1) |
| 782 | break; |
| 783 | notfound = 0; |
| 784 | |
Jacek Anaszewski | f843396 | 2013-11-21 13:33:09 -0300 | [diff] [blame] | 785 | if (components == 1) { |
| 786 | subsampling = 0x33; |
| 787 | } else { |
| 788 | skip(&jpeg_buffer, 1); |
| 789 | subsampling = get_byte(&jpeg_buffer); |
| 790 | skip(&jpeg_buffer, 1); |
| 791 | } |
| 792 | |
| 793 | skip(&jpeg_buffer, components * 2); |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 794 | break; |
| 795 | |
| 796 | /* skip payload-less markers */ |
| 797 | case RST ... RST + 7: |
| 798 | case SOI: |
| 799 | case EOI: |
| 800 | case TEM: |
| 801 | break; |
| 802 | |
| 803 | /* skip uninteresting payload markers */ |
| 804 | default: |
| 805 | if (get_word_be(&jpeg_buffer, &word)) |
| 806 | break; |
| 807 | length = (long)word - 2; |
| 808 | skip(&jpeg_buffer, length); |
| 809 | break; |
| 810 | } |
| 811 | } |
| 812 | result->w = width; |
| 813 | result->h = height; |
| 814 | result->size = components; |
Jacek Anaszewski | f843396 | 2013-11-21 13:33:09 -0300 | [diff] [blame] | 815 | |
| 816 | switch (subsampling) { |
| 817 | case 0x11: |
| 818 | ctx->subsampling = V4L2_JPEG_CHROMA_SUBSAMPLING_444; |
| 819 | break; |
| 820 | case 0x21: |
| 821 | ctx->subsampling = V4L2_JPEG_CHROMA_SUBSAMPLING_422; |
| 822 | break; |
| 823 | case 0x22: |
| 824 | ctx->subsampling = V4L2_JPEG_CHROMA_SUBSAMPLING_420; |
| 825 | break; |
| 826 | case 0x33: |
| 827 | ctx->subsampling = V4L2_JPEG_CHROMA_SUBSAMPLING_GRAY; |
| 828 | break; |
| 829 | default: |
| 830 | return false; |
| 831 | } |
| 832 | |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 833 | return !notfound; |
| 834 | } |
| 835 | |
| 836 | static int s5p_jpeg_querycap(struct file *file, void *priv, |
| 837 | struct v4l2_capability *cap) |
| 838 | { |
Sylwester Nawrocki | 275de24 | 2012-02-17 11:38:09 -0300 | [diff] [blame] | 839 | struct s5p_jpeg_ctx *ctx = fh_to_ctx(priv); |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 840 | |
| 841 | if (ctx->mode == S5P_JPEG_ENCODE) { |
| 842 | strlcpy(cap->driver, S5P_JPEG_M2M_NAME " encoder", |
| 843 | sizeof(cap->driver)); |
| 844 | strlcpy(cap->card, S5P_JPEG_M2M_NAME " encoder", |
| 845 | sizeof(cap->card)); |
| 846 | } else { |
| 847 | strlcpy(cap->driver, S5P_JPEG_M2M_NAME " decoder", |
| 848 | sizeof(cap->driver)); |
| 849 | strlcpy(cap->card, S5P_JPEG_M2M_NAME " decoder", |
| 850 | sizeof(cap->card)); |
| 851 | } |
| 852 | cap->bus_info[0] = 0; |
Sylwester Nawrocki | f0476a8 | 2012-07-26 09:30:00 -0300 | [diff] [blame] | 853 | /* |
| 854 | * This is only a mem-to-mem video device. The capture and output |
| 855 | * device capability flags are left only for backward compatibility |
| 856 | * and are scheduled for removal. |
| 857 | */ |
| 858 | cap->capabilities = V4L2_CAP_STREAMING | V4L2_CAP_VIDEO_M2M | |
| 859 | V4L2_CAP_VIDEO_CAPTURE | V4L2_CAP_VIDEO_OUTPUT; |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 860 | return 0; |
| 861 | } |
| 862 | |
Jacek Anaszewski | 80529ae | 2013-12-18 11:04:44 -0300 | [diff] [blame] | 863 | static int enum_fmt(struct s5p_jpeg_fmt *sjpeg_formats, int n, |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 864 | struct v4l2_fmtdesc *f, u32 type) |
| 865 | { |
| 866 | int i, num = 0; |
| 867 | |
| 868 | for (i = 0; i < n; ++i) { |
Jacek Anaszewski | 80529ae | 2013-12-18 11:04:44 -0300 | [diff] [blame] | 869 | if (sjpeg_formats[i].flags & type) { |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 870 | /* index-th format of type type found ? */ |
| 871 | if (num == f->index) |
| 872 | break; |
| 873 | /* Correct type but haven't reached our index yet, |
| 874 | * just increment per-type index */ |
| 875 | ++num; |
| 876 | } |
| 877 | } |
| 878 | |
| 879 | /* Format not found */ |
| 880 | if (i >= n) |
| 881 | return -EINVAL; |
| 882 | |
Jacek Anaszewski | 80529ae | 2013-12-18 11:04:44 -0300 | [diff] [blame] | 883 | strlcpy(f->description, sjpeg_formats[i].name, sizeof(f->description)); |
| 884 | f->pixelformat = sjpeg_formats[i].fourcc; |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 885 | |
| 886 | return 0; |
| 887 | } |
| 888 | |
| 889 | static int s5p_jpeg_enum_fmt_vid_cap(struct file *file, void *priv, |
| 890 | struct v4l2_fmtdesc *f) |
| 891 | { |
Sylwester Nawrocki | 275de24 | 2012-02-17 11:38:09 -0300 | [diff] [blame] | 892 | struct s5p_jpeg_ctx *ctx = fh_to_ctx(priv); |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 893 | |
| 894 | if (ctx->mode == S5P_JPEG_ENCODE) |
Jacek Anaszewski | 80529ae | 2013-12-18 11:04:44 -0300 | [diff] [blame] | 895 | return enum_fmt(sjpeg_formats, SJPEG_NUM_FORMATS, f, |
| 896 | SJPEG_FMT_FLAG_ENC_CAPTURE); |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 897 | |
Jacek Anaszewski | 80529ae | 2013-12-18 11:04:44 -0300 | [diff] [blame] | 898 | return enum_fmt(sjpeg_formats, SJPEG_NUM_FORMATS, f, |
| 899 | SJPEG_FMT_FLAG_DEC_CAPTURE); |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 900 | } |
| 901 | |
| 902 | static int s5p_jpeg_enum_fmt_vid_out(struct file *file, void *priv, |
| 903 | struct v4l2_fmtdesc *f) |
| 904 | { |
Sylwester Nawrocki | 275de24 | 2012-02-17 11:38:09 -0300 | [diff] [blame] | 905 | struct s5p_jpeg_ctx *ctx = fh_to_ctx(priv); |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 906 | |
| 907 | if (ctx->mode == S5P_JPEG_ENCODE) |
Jacek Anaszewski | 80529ae | 2013-12-18 11:04:44 -0300 | [diff] [blame] | 908 | return enum_fmt(sjpeg_formats, SJPEG_NUM_FORMATS, f, |
| 909 | SJPEG_FMT_FLAG_ENC_OUTPUT); |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 910 | |
Jacek Anaszewski | 80529ae | 2013-12-18 11:04:44 -0300 | [diff] [blame] | 911 | return enum_fmt(sjpeg_formats, SJPEG_NUM_FORMATS, f, |
| 912 | SJPEG_FMT_FLAG_DEC_OUTPUT); |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 913 | } |
| 914 | |
| 915 | static struct s5p_jpeg_q_data *get_q_data(struct s5p_jpeg_ctx *ctx, |
| 916 | enum v4l2_buf_type type) |
| 917 | { |
| 918 | if (type == V4L2_BUF_TYPE_VIDEO_OUTPUT) |
| 919 | return &ctx->out_q; |
| 920 | if (type == V4L2_BUF_TYPE_VIDEO_CAPTURE) |
| 921 | return &ctx->cap_q; |
| 922 | |
| 923 | return NULL; |
| 924 | } |
| 925 | |
| 926 | static int s5p_jpeg_g_fmt(struct file *file, void *priv, struct v4l2_format *f) |
| 927 | { |
| 928 | struct vb2_queue *vq; |
| 929 | struct s5p_jpeg_q_data *q_data = NULL; |
| 930 | struct v4l2_pix_format *pix = &f->fmt.pix; |
Sylwester Nawrocki | 275de24 | 2012-02-17 11:38:09 -0300 | [diff] [blame] | 931 | struct s5p_jpeg_ctx *ct = fh_to_ctx(priv); |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 932 | |
Sylwester Nawrocki | 718cf4a | 2013-08-25 17:16:56 -0300 | [diff] [blame] | 933 | vq = v4l2_m2m_get_vq(ct->fh.m2m_ctx, f->type); |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 934 | if (!vq) |
| 935 | return -EINVAL; |
| 936 | |
| 937 | if (f->type == V4L2_BUF_TYPE_VIDEO_CAPTURE && |
| 938 | ct->mode == S5P_JPEG_DECODE && !ct->hdr_parsed) |
| 939 | return -EINVAL; |
| 940 | q_data = get_q_data(ct, f->type); |
| 941 | BUG_ON(q_data == NULL); |
| 942 | |
| 943 | pix->width = q_data->w; |
| 944 | pix->height = q_data->h; |
| 945 | pix->field = V4L2_FIELD_NONE; |
| 946 | pix->pixelformat = q_data->fmt->fourcc; |
| 947 | pix->bytesperline = 0; |
| 948 | if (q_data->fmt->fourcc != V4L2_PIX_FMT_JPEG) { |
| 949 | u32 bpl = q_data->w; |
| 950 | if (q_data->fmt->colplanes == 1) |
| 951 | bpl = (bpl * q_data->fmt->depth) >> 3; |
| 952 | pix->bytesperline = bpl; |
| 953 | } |
| 954 | pix->sizeimage = q_data->size; |
| 955 | |
| 956 | return 0; |
| 957 | } |
| 958 | |
Jacek Anaszewski | 80529ae | 2013-12-18 11:04:44 -0300 | [diff] [blame] | 959 | static struct s5p_jpeg_fmt *s5p_jpeg_find_format(struct s5p_jpeg_ctx *ctx, |
| 960 | u32 pixelformat, unsigned int fmt_type) |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 961 | { |
Jacek Anaszewski | 80529ae | 2013-12-18 11:04:44 -0300 | [diff] [blame] | 962 | unsigned int k, fmt_flag, ver_flag; |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 963 | |
Jacek Anaszewski | 80529ae | 2013-12-18 11:04:44 -0300 | [diff] [blame] | 964 | if (ctx->mode == S5P_JPEG_ENCODE) |
| 965 | fmt_flag = (fmt_type == FMT_TYPE_OUTPUT) ? |
| 966 | SJPEG_FMT_FLAG_ENC_OUTPUT : |
| 967 | SJPEG_FMT_FLAG_ENC_CAPTURE; |
| 968 | else |
| 969 | fmt_flag = (fmt_type == FMT_TYPE_OUTPUT) ? |
| 970 | SJPEG_FMT_FLAG_DEC_OUTPUT : |
| 971 | SJPEG_FMT_FLAG_DEC_CAPTURE; |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 972 | |
Jacek Anaszewski | 80529ae | 2013-12-18 11:04:44 -0300 | [diff] [blame] | 973 | if (ctx->jpeg->variant->version == SJPEG_S5P) |
| 974 | ver_flag = SJPEG_FMT_FLAG_S5P; |
| 975 | else |
| 976 | ver_flag = SJPEG_FMT_FLAG_EXYNOS4; |
| 977 | |
| 978 | for (k = 0; k < ARRAY_SIZE(sjpeg_formats); k++) { |
| 979 | struct s5p_jpeg_fmt *fmt = &sjpeg_formats[k]; |
| 980 | if (fmt->fourcc == pixelformat && |
| 981 | fmt->flags & fmt_flag && |
| 982 | fmt->flags & ver_flag) { |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 983 | return fmt; |
Jacek Anaszewski | 80529ae | 2013-12-18 11:04:44 -0300 | [diff] [blame] | 984 | } |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 985 | } |
| 986 | |
| 987 | return NULL; |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 988 | } |
| 989 | |
| 990 | static void jpeg_bound_align_image(u32 *w, unsigned int wmin, unsigned int wmax, |
| 991 | unsigned int walign, |
| 992 | u32 *h, unsigned int hmin, unsigned int hmax, |
| 993 | unsigned int halign) |
| 994 | { |
| 995 | int width, height, w_step, h_step; |
| 996 | |
| 997 | width = *w; |
| 998 | height = *h; |
| 999 | |
| 1000 | w_step = 1 << walign; |
| 1001 | h_step = 1 << halign; |
| 1002 | v4l_bound_align_image(w, wmin, wmax, walign, h, hmin, hmax, halign, 0); |
| 1003 | |
| 1004 | if (*w < width && (*w + w_step) < wmax) |
| 1005 | *w += w_step; |
| 1006 | if (*h < height && (*h + h_step) < hmax) |
| 1007 | *h += h_step; |
| 1008 | |
| 1009 | } |
| 1010 | |
| 1011 | static int vidioc_try_fmt(struct v4l2_format *f, struct s5p_jpeg_fmt *fmt, |
| 1012 | struct s5p_jpeg_ctx *ctx, int q_type) |
| 1013 | { |
| 1014 | struct v4l2_pix_format *pix = &f->fmt.pix; |
| 1015 | |
| 1016 | if (pix->field == V4L2_FIELD_ANY) |
| 1017 | pix->field = V4L2_FIELD_NONE; |
| 1018 | else if (pix->field != V4L2_FIELD_NONE) |
| 1019 | return -EINVAL; |
| 1020 | |
| 1021 | /* V4L2 specification suggests the driver corrects the format struct |
| 1022 | * if any of the dimensions is unsupported */ |
Jacek Anaszewski | 80529ae | 2013-12-18 11:04:44 -0300 | [diff] [blame] | 1023 | if (q_type == FMT_TYPE_OUTPUT) |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 1024 | jpeg_bound_align_image(&pix->width, S5P_JPEG_MIN_WIDTH, |
| 1025 | S5P_JPEG_MAX_WIDTH, 0, |
| 1026 | &pix->height, S5P_JPEG_MIN_HEIGHT, |
| 1027 | S5P_JPEG_MAX_HEIGHT, 0); |
| 1028 | else |
| 1029 | jpeg_bound_align_image(&pix->width, S5P_JPEG_MIN_WIDTH, |
| 1030 | S5P_JPEG_MAX_WIDTH, fmt->h_align, |
| 1031 | &pix->height, S5P_JPEG_MIN_HEIGHT, |
| 1032 | S5P_JPEG_MAX_HEIGHT, fmt->v_align); |
| 1033 | |
| 1034 | if (fmt->fourcc == V4L2_PIX_FMT_JPEG) { |
| 1035 | if (pix->sizeimage <= 0) |
| 1036 | pix->sizeimage = PAGE_SIZE; |
| 1037 | pix->bytesperline = 0; |
| 1038 | } else { |
| 1039 | u32 bpl = pix->bytesperline; |
| 1040 | |
| 1041 | if (fmt->colplanes > 1 && bpl < pix->width) |
| 1042 | bpl = pix->width; /* planar */ |
| 1043 | |
| 1044 | if (fmt->colplanes == 1 && /* packed */ |
Jacek Anaszewski | cc69090 | 2013-11-25 06:58:10 -0300 | [diff] [blame] | 1045 | (bpl << 3) / fmt->depth < pix->width) |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 1046 | bpl = (pix->width * fmt->depth) >> 3; |
| 1047 | |
| 1048 | pix->bytesperline = bpl; |
| 1049 | pix->sizeimage = (pix->width * pix->height * fmt->depth) >> 3; |
| 1050 | } |
| 1051 | |
| 1052 | return 0; |
| 1053 | } |
| 1054 | |
| 1055 | static int s5p_jpeg_try_fmt_vid_cap(struct file *file, void *priv, |
| 1056 | struct v4l2_format *f) |
| 1057 | { |
Sylwester Nawrocki | 275de24 | 2012-02-17 11:38:09 -0300 | [diff] [blame] | 1058 | struct s5p_jpeg_ctx *ctx = fh_to_ctx(priv); |
Jacek Anaszewski | 337777a | 2013-11-22 06:13:34 -0300 | [diff] [blame] | 1059 | struct v4l2_pix_format *pix = &f->fmt.pix; |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 1060 | struct s5p_jpeg_fmt *fmt; |
Jacek Anaszewski | 337777a | 2013-11-22 06:13:34 -0300 | [diff] [blame] | 1061 | int ret; |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 1062 | |
Jacek Anaszewski | 80529ae | 2013-12-18 11:04:44 -0300 | [diff] [blame] | 1063 | fmt = s5p_jpeg_find_format(ctx, f->fmt.pix.pixelformat, |
| 1064 | FMT_TYPE_CAPTURE); |
| 1065 | if (!fmt) { |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 1066 | v4l2_err(&ctx->jpeg->v4l2_dev, |
| 1067 | "Fourcc format (0x%08x) invalid.\n", |
| 1068 | f->fmt.pix.pixelformat); |
| 1069 | return -EINVAL; |
| 1070 | } |
| 1071 | |
Jacek Anaszewski | 337777a | 2013-11-22 06:13:34 -0300 | [diff] [blame] | 1072 | /* |
| 1073 | * The exynos4x12 device requires resulting YUV image |
| 1074 | * subsampling not to be lower than the input jpeg subsampling. |
| 1075 | * If this requirement is not met then downgrade the requested |
| 1076 | * capture format to the one with subsampling equal to the input jpeg. |
| 1077 | */ |
| 1078 | if ((ctx->jpeg->variant->version != SJPEG_S5P) && |
| 1079 | (ctx->mode == S5P_JPEG_DECODE) && |
| 1080 | (fmt->flags & SJPEG_FMT_NON_RGB) && |
| 1081 | (fmt->subsampling < ctx->subsampling)) { |
| 1082 | ret = s5p_jpeg_adjust_fourcc_to_subsampling(ctx->subsampling, |
| 1083 | fmt->fourcc, |
| 1084 | &pix->pixelformat, |
| 1085 | ctx); |
| 1086 | if (ret < 0) |
| 1087 | pix->pixelformat = V4L2_PIX_FMT_GREY; |
| 1088 | |
| 1089 | fmt = s5p_jpeg_find_format(ctx, pix->pixelformat, |
| 1090 | FMT_TYPE_CAPTURE); |
| 1091 | } |
| 1092 | |
Jacek Anaszewski | 80529ae | 2013-12-18 11:04:44 -0300 | [diff] [blame] | 1093 | return vidioc_try_fmt(f, fmt, ctx, FMT_TYPE_CAPTURE); |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 1094 | } |
| 1095 | |
| 1096 | static int s5p_jpeg_try_fmt_vid_out(struct file *file, void *priv, |
| 1097 | struct v4l2_format *f) |
| 1098 | { |
Sylwester Nawrocki | 275de24 | 2012-02-17 11:38:09 -0300 | [diff] [blame] | 1099 | struct s5p_jpeg_ctx *ctx = fh_to_ctx(priv); |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 1100 | struct s5p_jpeg_fmt *fmt; |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 1101 | |
Jacek Anaszewski | 80529ae | 2013-12-18 11:04:44 -0300 | [diff] [blame] | 1102 | fmt = s5p_jpeg_find_format(ctx, f->fmt.pix.pixelformat, |
| 1103 | FMT_TYPE_OUTPUT); |
| 1104 | if (!fmt) { |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 1105 | v4l2_err(&ctx->jpeg->v4l2_dev, |
| 1106 | "Fourcc format (0x%08x) invalid.\n", |
| 1107 | f->fmt.pix.pixelformat); |
| 1108 | return -EINVAL; |
| 1109 | } |
| 1110 | |
Jacek Anaszewski | 80529ae | 2013-12-18 11:04:44 -0300 | [diff] [blame] | 1111 | return vidioc_try_fmt(f, fmt, ctx, FMT_TYPE_OUTPUT); |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 1112 | } |
| 1113 | |
| 1114 | static int s5p_jpeg_s_fmt(struct s5p_jpeg_ctx *ct, struct v4l2_format *f) |
| 1115 | { |
| 1116 | struct vb2_queue *vq; |
| 1117 | struct s5p_jpeg_q_data *q_data = NULL; |
| 1118 | struct v4l2_pix_format *pix = &f->fmt.pix; |
Jacek Anaszewski | 4a30d30 | 2013-11-21 13:33:52 -0300 | [diff] [blame] | 1119 | struct v4l2_ctrl *ctrl_subs; |
Jacek Anaszewski | 80529ae | 2013-12-18 11:04:44 -0300 | [diff] [blame] | 1120 | unsigned int f_type; |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 1121 | |
Sylwester Nawrocki | 718cf4a | 2013-08-25 17:16:56 -0300 | [diff] [blame] | 1122 | vq = v4l2_m2m_get_vq(ct->fh.m2m_ctx, f->type); |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 1123 | if (!vq) |
| 1124 | return -EINVAL; |
| 1125 | |
| 1126 | q_data = get_q_data(ct, f->type); |
| 1127 | BUG_ON(q_data == NULL); |
| 1128 | |
| 1129 | if (vb2_is_busy(vq)) { |
| 1130 | v4l2_err(&ct->jpeg->v4l2_dev, "%s queue busy\n", __func__); |
| 1131 | return -EBUSY; |
| 1132 | } |
| 1133 | |
Jacek Anaszewski | 80529ae | 2013-12-18 11:04:44 -0300 | [diff] [blame] | 1134 | f_type = V4L2_TYPE_IS_OUTPUT(f->type) ? |
| 1135 | FMT_TYPE_OUTPUT : FMT_TYPE_CAPTURE; |
| 1136 | |
| 1137 | q_data->fmt = s5p_jpeg_find_format(ct, pix->pixelformat, f_type); |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 1138 | q_data->w = pix->width; |
| 1139 | q_data->h = pix->height; |
| 1140 | if (q_data->fmt->fourcc != V4L2_PIX_FMT_JPEG) |
| 1141 | q_data->size = q_data->w * q_data->h * q_data->fmt->depth >> 3; |
| 1142 | else |
| 1143 | q_data->size = pix->sizeimage; |
| 1144 | |
Jacek Anaszewski | 4a30d30 | 2013-11-21 13:33:52 -0300 | [diff] [blame] | 1145 | if (f_type == FMT_TYPE_OUTPUT) { |
| 1146 | ctrl_subs = v4l2_ctrl_find(&ct->ctrl_handler, |
| 1147 | V4L2_CID_JPEG_CHROMA_SUBSAMPLING); |
| 1148 | if (ctrl_subs) |
| 1149 | v4l2_ctrl_s_ctrl(ctrl_subs, q_data->fmt->subsampling); |
| 1150 | } |
| 1151 | |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 1152 | return 0; |
| 1153 | } |
| 1154 | |
| 1155 | static int s5p_jpeg_s_fmt_vid_cap(struct file *file, void *priv, |
| 1156 | struct v4l2_format *f) |
| 1157 | { |
| 1158 | int ret; |
| 1159 | |
| 1160 | ret = s5p_jpeg_try_fmt_vid_cap(file, priv, f); |
| 1161 | if (ret) |
| 1162 | return ret; |
| 1163 | |
Sylwester Nawrocki | 275de24 | 2012-02-17 11:38:09 -0300 | [diff] [blame] | 1164 | return s5p_jpeg_s_fmt(fh_to_ctx(priv), f); |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 1165 | } |
| 1166 | |
| 1167 | static int s5p_jpeg_s_fmt_vid_out(struct file *file, void *priv, |
| 1168 | struct v4l2_format *f) |
| 1169 | { |
| 1170 | int ret; |
| 1171 | |
| 1172 | ret = s5p_jpeg_try_fmt_vid_out(file, priv, f); |
| 1173 | if (ret) |
| 1174 | return ret; |
| 1175 | |
Sylwester Nawrocki | 275de24 | 2012-02-17 11:38:09 -0300 | [diff] [blame] | 1176 | return s5p_jpeg_s_fmt(fh_to_ctx(priv), f); |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 1177 | } |
| 1178 | |
Sachin Kamat | 9f3bd32 | 2012-05-10 03:38:40 -0300 | [diff] [blame] | 1179 | static int s5p_jpeg_g_selection(struct file *file, void *priv, |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 1180 | struct v4l2_selection *s) |
| 1181 | { |
Sylwester Nawrocki | 275de24 | 2012-02-17 11:38:09 -0300 | [diff] [blame] | 1182 | struct s5p_jpeg_ctx *ctx = fh_to_ctx(priv); |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 1183 | |
| 1184 | if (s->type != V4L2_BUF_TYPE_VIDEO_OUTPUT && |
Jacek Anaszewski | 80529ae | 2013-12-18 11:04:44 -0300 | [diff] [blame] | 1185 | s->type != V4L2_BUF_TYPE_VIDEO_CAPTURE && |
| 1186 | ctx->jpeg->variant->version != SJPEG_S5P) |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 1187 | return -EINVAL; |
| 1188 | |
| 1189 | /* For JPEG blob active == default == bounds */ |
| 1190 | switch (s->target) { |
Sylwester Nawrocki | c133482 | 2012-05-20 11:17:12 -0300 | [diff] [blame] | 1191 | case V4L2_SEL_TGT_CROP: |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 1192 | case V4L2_SEL_TGT_CROP_BOUNDS: |
| 1193 | case V4L2_SEL_TGT_CROP_DEFAULT: |
Sylwester Nawrocki | c133482 | 2012-05-20 11:17:12 -0300 | [diff] [blame] | 1194 | case V4L2_SEL_TGT_COMPOSE: |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 1195 | case V4L2_SEL_TGT_COMPOSE_DEFAULT: |
| 1196 | s->r.width = ctx->out_q.w; |
| 1197 | s->r.height = ctx->out_q.h; |
| 1198 | break; |
| 1199 | case V4L2_SEL_TGT_COMPOSE_BOUNDS: |
| 1200 | case V4L2_SEL_TGT_COMPOSE_PADDED: |
| 1201 | s->r.width = ctx->cap_q.w; |
| 1202 | s->r.height = ctx->cap_q.h; |
| 1203 | break; |
| 1204 | default: |
| 1205 | return -EINVAL; |
| 1206 | } |
| 1207 | s->r.left = 0; |
| 1208 | s->r.top = 0; |
| 1209 | return 0; |
| 1210 | } |
| 1211 | |
Sylwester Nawrocki | 15f4bc3 | 2012-02-17 11:39:36 -0300 | [diff] [blame] | 1212 | /* |
| 1213 | * V4L2 controls |
| 1214 | */ |
| 1215 | |
| 1216 | static int s5p_jpeg_g_volatile_ctrl(struct v4l2_ctrl *ctrl) |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 1217 | { |
Sylwester Nawrocki | 15f4bc3 | 2012-02-17 11:39:36 -0300 | [diff] [blame] | 1218 | struct s5p_jpeg_ctx *ctx = ctrl_to_ctx(ctrl); |
| 1219 | struct s5p_jpeg *jpeg = ctx->jpeg; |
| 1220 | unsigned long flags; |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 1221 | |
Sylwester Nawrocki | 15f4bc3 | 2012-02-17 11:39:36 -0300 | [diff] [blame] | 1222 | switch (ctrl->id) { |
| 1223 | case V4L2_CID_JPEG_CHROMA_SUBSAMPLING: |
| 1224 | spin_lock_irqsave(&jpeg->slock, flags); |
Jacek Anaszewski | 303b0a9 | 2013-12-18 11:14:00 -0300 | [diff] [blame] | 1225 | ctrl->val = s5p_jpeg_to_user_subsampling(ctx); |
Sylwester Nawrocki | 15f4bc3 | 2012-02-17 11:39:36 -0300 | [diff] [blame] | 1226 | spin_unlock_irqrestore(&jpeg->slock, flags); |
| 1227 | break; |
| 1228 | } |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 1229 | |
| 1230 | return 0; |
| 1231 | } |
| 1232 | |
Jacek Anaszewski | 11fbea3 | 2013-11-21 13:34:01 -0300 | [diff] [blame] | 1233 | static int s5p_jpeg_try_ctrl(struct v4l2_ctrl *ctrl) |
| 1234 | { |
| 1235 | struct s5p_jpeg_ctx *ctx = ctrl_to_ctx(ctrl); |
| 1236 | unsigned long flags; |
| 1237 | int ret = 0; |
| 1238 | |
| 1239 | spin_lock_irqsave(&ctx->jpeg->slock, flags); |
| 1240 | |
| 1241 | if (ctrl->id == V4L2_CID_JPEG_CHROMA_SUBSAMPLING) { |
| 1242 | if (ctx->jpeg->variant->version == SJPEG_S5P) |
| 1243 | goto error_free; |
| 1244 | /* |
| 1245 | * The exynos4x12 device requires input raw image fourcc |
| 1246 | * to be V4L2_PIX_FMT_GREY if gray jpeg format |
| 1247 | * is to be set. |
| 1248 | */ |
| 1249 | if (ctx->out_q.fmt->fourcc != V4L2_PIX_FMT_GREY && |
| 1250 | ctrl->val == V4L2_JPEG_CHROMA_SUBSAMPLING_GRAY) { |
| 1251 | ret = -EINVAL; |
| 1252 | goto error_free; |
| 1253 | } |
| 1254 | /* |
| 1255 | * The exynos4x12 device requires resulting jpeg subsampling |
| 1256 | * not to be lower than the input raw image subsampling. |
| 1257 | */ |
| 1258 | if (ctx->out_q.fmt->subsampling > ctrl->val) |
| 1259 | ctrl->val = ctx->out_q.fmt->subsampling; |
| 1260 | } |
| 1261 | |
| 1262 | error_free: |
| 1263 | spin_unlock_irqrestore(&ctx->jpeg->slock, flags); |
| 1264 | return ret; |
| 1265 | } |
| 1266 | |
Sylwester Nawrocki | 15f4bc3 | 2012-02-17 11:39:36 -0300 | [diff] [blame] | 1267 | static int s5p_jpeg_s_ctrl(struct v4l2_ctrl *ctrl) |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 1268 | { |
Sylwester Nawrocki | 15f4bc3 | 2012-02-17 11:39:36 -0300 | [diff] [blame] | 1269 | struct s5p_jpeg_ctx *ctx = ctrl_to_ctx(ctrl); |
| 1270 | unsigned long flags; |
| 1271 | |
| 1272 | spin_lock_irqsave(&ctx->jpeg->slock, flags); |
| 1273 | |
| 1274 | switch (ctrl->id) { |
| 1275 | case V4L2_CID_JPEG_COMPRESSION_QUALITY: |
Jacek Anaszewski | 78e5a3c | 2013-11-25 06:58:08 -0300 | [diff] [blame] | 1276 | ctx->compr_quality = ctrl->val; |
Sylwester Nawrocki | 15f4bc3 | 2012-02-17 11:39:36 -0300 | [diff] [blame] | 1277 | break; |
| 1278 | case V4L2_CID_JPEG_RESTART_INTERVAL: |
| 1279 | ctx->restart_interval = ctrl->val; |
| 1280 | break; |
| 1281 | case V4L2_CID_JPEG_CHROMA_SUBSAMPLING: |
| 1282 | ctx->subsampling = ctrl->val; |
| 1283 | break; |
| 1284 | } |
| 1285 | |
| 1286 | spin_unlock_irqrestore(&ctx->jpeg->slock, flags); |
| 1287 | return 0; |
| 1288 | } |
| 1289 | |
| 1290 | static const struct v4l2_ctrl_ops s5p_jpeg_ctrl_ops = { |
| 1291 | .g_volatile_ctrl = s5p_jpeg_g_volatile_ctrl, |
Jacek Anaszewski | 11fbea3 | 2013-11-21 13:34:01 -0300 | [diff] [blame] | 1292 | .try_ctrl = s5p_jpeg_try_ctrl, |
Sylwester Nawrocki | 15f4bc3 | 2012-02-17 11:39:36 -0300 | [diff] [blame] | 1293 | .s_ctrl = s5p_jpeg_s_ctrl, |
| 1294 | }; |
| 1295 | |
| 1296 | static int s5p_jpeg_controls_create(struct s5p_jpeg_ctx *ctx) |
| 1297 | { |
| 1298 | unsigned int mask = ~0x27; /* 444, 422, 420, GRAY */ |
| 1299 | struct v4l2_ctrl *ctrl; |
Jacek Anaszewski | 088f830 | 2013-11-25 06:58:15 -0300 | [diff] [blame] | 1300 | int ret; |
Sylwester Nawrocki | 15f4bc3 | 2012-02-17 11:39:36 -0300 | [diff] [blame] | 1301 | |
| 1302 | v4l2_ctrl_handler_init(&ctx->ctrl_handler, 3); |
| 1303 | |
| 1304 | if (ctx->mode == S5P_JPEG_ENCODE) { |
| 1305 | v4l2_ctrl_new_std(&ctx->ctrl_handler, &s5p_jpeg_ctrl_ops, |
| 1306 | V4L2_CID_JPEG_COMPRESSION_QUALITY, |
Jacek Anaszewski | 78e5a3c | 2013-11-25 06:58:08 -0300 | [diff] [blame] | 1307 | 0, 3, 1, S5P_JPEG_COMPR_QUAL_WORST); |
Sylwester Nawrocki | 15f4bc3 | 2012-02-17 11:39:36 -0300 | [diff] [blame] | 1308 | |
| 1309 | v4l2_ctrl_new_std(&ctx->ctrl_handler, &s5p_jpeg_ctrl_ops, |
| 1310 | V4L2_CID_JPEG_RESTART_INTERVAL, |
| 1311 | 0, 3, 0xffff, 0); |
Jacek Anaszewski | fdf9e2b | 2013-11-21 13:33:41 -0300 | [diff] [blame] | 1312 | if (ctx->jpeg->variant->version == SJPEG_S5P) |
| 1313 | mask = ~0x06; /* 422, 420 */ |
Sylwester Nawrocki | 15f4bc3 | 2012-02-17 11:39:36 -0300 | [diff] [blame] | 1314 | } |
| 1315 | |
| 1316 | ctrl = v4l2_ctrl_new_std_menu(&ctx->ctrl_handler, &s5p_jpeg_ctrl_ops, |
| 1317 | V4L2_CID_JPEG_CHROMA_SUBSAMPLING, |
| 1318 | V4L2_JPEG_CHROMA_SUBSAMPLING_GRAY, mask, |
| 1319 | V4L2_JPEG_CHROMA_SUBSAMPLING_422); |
| 1320 | |
Jacek Anaszewski | 088f830 | 2013-11-25 06:58:15 -0300 | [diff] [blame] | 1321 | if (ctx->ctrl_handler.error) { |
| 1322 | ret = ctx->ctrl_handler.error; |
| 1323 | goto error_free; |
| 1324 | } |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 1325 | |
| 1326 | if (ctx->mode == S5P_JPEG_DECODE) |
Sylwester Nawrocki | 15f4bc3 | 2012-02-17 11:39:36 -0300 | [diff] [blame] | 1327 | ctrl->flags |= V4L2_CTRL_FLAG_VOLATILE | |
| 1328 | V4L2_CTRL_FLAG_READ_ONLY; |
Jacek Anaszewski | 088f830 | 2013-11-25 06:58:15 -0300 | [diff] [blame] | 1329 | |
| 1330 | ret = v4l2_ctrl_handler_setup(&ctx->ctrl_handler); |
| 1331 | if (ret < 0) |
| 1332 | goto error_free; |
| 1333 | |
| 1334 | return ret; |
| 1335 | |
| 1336 | error_free: |
| 1337 | v4l2_ctrl_handler_free(&ctx->ctrl_handler); |
| 1338 | return ret; |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 1339 | } |
| 1340 | |
| 1341 | static const struct v4l2_ioctl_ops s5p_jpeg_ioctl_ops = { |
| 1342 | .vidioc_querycap = s5p_jpeg_querycap, |
| 1343 | |
| 1344 | .vidioc_enum_fmt_vid_cap = s5p_jpeg_enum_fmt_vid_cap, |
| 1345 | .vidioc_enum_fmt_vid_out = s5p_jpeg_enum_fmt_vid_out, |
| 1346 | |
| 1347 | .vidioc_g_fmt_vid_cap = s5p_jpeg_g_fmt, |
| 1348 | .vidioc_g_fmt_vid_out = s5p_jpeg_g_fmt, |
| 1349 | |
| 1350 | .vidioc_try_fmt_vid_cap = s5p_jpeg_try_fmt_vid_cap, |
| 1351 | .vidioc_try_fmt_vid_out = s5p_jpeg_try_fmt_vid_out, |
| 1352 | |
| 1353 | .vidioc_s_fmt_vid_cap = s5p_jpeg_s_fmt_vid_cap, |
| 1354 | .vidioc_s_fmt_vid_out = s5p_jpeg_s_fmt_vid_out, |
| 1355 | |
Sylwester Nawrocki | 718cf4a | 2013-08-25 17:16:56 -0300 | [diff] [blame] | 1356 | .vidioc_reqbufs = v4l2_m2m_ioctl_reqbufs, |
| 1357 | .vidioc_querybuf = v4l2_m2m_ioctl_querybuf, |
| 1358 | .vidioc_qbuf = v4l2_m2m_ioctl_qbuf, |
| 1359 | .vidioc_dqbuf = v4l2_m2m_ioctl_dqbuf, |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 1360 | |
Sylwester Nawrocki | 718cf4a | 2013-08-25 17:16:56 -0300 | [diff] [blame] | 1361 | .vidioc_streamon = v4l2_m2m_ioctl_streamon, |
| 1362 | .vidioc_streamoff = v4l2_m2m_ioctl_streamoff, |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 1363 | |
| 1364 | .vidioc_g_selection = s5p_jpeg_g_selection, |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 1365 | }; |
| 1366 | |
| 1367 | /* |
| 1368 | * ============================================================================ |
| 1369 | * mem2mem callbacks |
| 1370 | * ============================================================================ |
| 1371 | */ |
| 1372 | |
| 1373 | static void s5p_jpeg_device_run(void *priv) |
| 1374 | { |
| 1375 | struct s5p_jpeg_ctx *ctx = priv; |
| 1376 | struct s5p_jpeg *jpeg = ctx->jpeg; |
| 1377 | struct vb2_buffer *src_buf, *dst_buf; |
Jacek Anaszewski | b3c932a | 2013-11-25 06:58:14 -0300 | [diff] [blame] | 1378 | unsigned long src_addr, dst_addr, flags; |
| 1379 | |
| 1380 | spin_lock_irqsave(&ctx->jpeg->slock, flags); |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 1381 | |
Sylwester Nawrocki | 718cf4a | 2013-08-25 17:16:56 -0300 | [diff] [blame] | 1382 | src_buf = v4l2_m2m_next_src_buf(ctx->fh.m2m_ctx); |
| 1383 | dst_buf = v4l2_m2m_next_dst_buf(ctx->fh.m2m_ctx); |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 1384 | src_addr = vb2_dma_contig_plane_dma_addr(src_buf, 0); |
| 1385 | dst_addr = vb2_dma_contig_plane_dma_addr(dst_buf, 0); |
| 1386 | |
Jacek Anaszewski | 9f7b62d | 2013-12-18 09:32:50 -0300 | [diff] [blame] | 1387 | s5p_jpeg_reset(jpeg->regs); |
| 1388 | s5p_jpeg_poweron(jpeg->regs); |
| 1389 | s5p_jpeg_proc_mode(jpeg->regs, ctx->mode); |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 1390 | if (ctx->mode == S5P_JPEG_ENCODE) { |
| 1391 | if (ctx->out_q.fmt->fourcc == V4L2_PIX_FMT_RGB565) |
Jacek Anaszewski | 9f7b62d | 2013-12-18 09:32:50 -0300 | [diff] [blame] | 1392 | s5p_jpeg_input_raw_mode(jpeg->regs, |
| 1393 | S5P_JPEG_RAW_IN_565); |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 1394 | else |
Jacek Anaszewski | 9f7b62d | 2013-12-18 09:32:50 -0300 | [diff] [blame] | 1395 | s5p_jpeg_input_raw_mode(jpeg->regs, |
| 1396 | S5P_JPEG_RAW_IN_422); |
| 1397 | s5p_jpeg_subsampling_mode(jpeg->regs, ctx->subsampling); |
| 1398 | s5p_jpeg_dri(jpeg->regs, ctx->restart_interval); |
| 1399 | s5p_jpeg_x(jpeg->regs, ctx->out_q.w); |
| 1400 | s5p_jpeg_y(jpeg->regs, ctx->out_q.h); |
| 1401 | s5p_jpeg_imgadr(jpeg->regs, src_addr); |
| 1402 | s5p_jpeg_jpgadr(jpeg->regs, dst_addr); |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 1403 | |
| 1404 | /* ultimately comes from sizeimage from userspace */ |
Jacek Anaszewski | 9f7b62d | 2013-12-18 09:32:50 -0300 | [diff] [blame] | 1405 | s5p_jpeg_enc_stream_int(jpeg->regs, ctx->cap_q.size); |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 1406 | |
| 1407 | /* JPEG RGB to YCbCr conversion matrix */ |
Jacek Anaszewski | 9f7b62d | 2013-12-18 09:32:50 -0300 | [diff] [blame] | 1408 | s5p_jpeg_coef(jpeg->regs, 1, 1, S5P_JPEG_COEF11); |
| 1409 | s5p_jpeg_coef(jpeg->regs, 1, 2, S5P_JPEG_COEF12); |
| 1410 | s5p_jpeg_coef(jpeg->regs, 1, 3, S5P_JPEG_COEF13); |
| 1411 | s5p_jpeg_coef(jpeg->regs, 2, 1, S5P_JPEG_COEF21); |
| 1412 | s5p_jpeg_coef(jpeg->regs, 2, 2, S5P_JPEG_COEF22); |
| 1413 | s5p_jpeg_coef(jpeg->regs, 2, 3, S5P_JPEG_COEF23); |
| 1414 | s5p_jpeg_coef(jpeg->regs, 3, 1, S5P_JPEG_COEF31); |
| 1415 | s5p_jpeg_coef(jpeg->regs, 3, 2, S5P_JPEG_COEF32); |
| 1416 | s5p_jpeg_coef(jpeg->regs, 3, 3, S5P_JPEG_COEF33); |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 1417 | |
| 1418 | /* |
| 1419 | * JPEG IP allows storing 4 quantization tables |
| 1420 | * We fill table 0 for luma and table 1 for chroma |
| 1421 | */ |
Jacek Anaszewski | 31dc0ac | 2013-11-25 06:58:12 -0300 | [diff] [blame] | 1422 | s5p_jpeg_set_qtbl_lum(jpeg->regs, ctx->compr_quality); |
| 1423 | s5p_jpeg_set_qtbl_chr(jpeg->regs, ctx->compr_quality); |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 1424 | /* use table 0 for Y */ |
Jacek Anaszewski | 9f7b62d | 2013-12-18 09:32:50 -0300 | [diff] [blame] | 1425 | s5p_jpeg_qtbl(jpeg->regs, 1, 0); |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 1426 | /* use table 1 for Cb and Cr*/ |
Jacek Anaszewski | 9f7b62d | 2013-12-18 09:32:50 -0300 | [diff] [blame] | 1427 | s5p_jpeg_qtbl(jpeg->regs, 2, 1); |
| 1428 | s5p_jpeg_qtbl(jpeg->regs, 3, 1); |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 1429 | |
| 1430 | /* Y, Cb, Cr use Huffman table 0 */ |
Jacek Anaszewski | 9f7b62d | 2013-12-18 09:32:50 -0300 | [diff] [blame] | 1431 | s5p_jpeg_htbl_ac(jpeg->regs, 1); |
| 1432 | s5p_jpeg_htbl_dc(jpeg->regs, 1); |
| 1433 | s5p_jpeg_htbl_ac(jpeg->regs, 2); |
| 1434 | s5p_jpeg_htbl_dc(jpeg->regs, 2); |
| 1435 | s5p_jpeg_htbl_ac(jpeg->regs, 3); |
| 1436 | s5p_jpeg_htbl_dc(jpeg->regs, 3); |
Andrzej Pietrasiewicz | fb6f8c0 | 2012-02-20 07:32:25 -0300 | [diff] [blame] | 1437 | } else { /* S5P_JPEG_DECODE */ |
Jacek Anaszewski | 9f7b62d | 2013-12-18 09:32:50 -0300 | [diff] [blame] | 1438 | s5p_jpeg_rst_int_enable(jpeg->regs, true); |
| 1439 | s5p_jpeg_data_num_int_enable(jpeg->regs, true); |
| 1440 | s5p_jpeg_final_mcu_num_int_enable(jpeg->regs, true); |
Andrzej Pietrasiewicz | fb6f8c0 | 2012-02-20 07:32:25 -0300 | [diff] [blame] | 1441 | if (ctx->cap_q.fmt->fourcc == V4L2_PIX_FMT_YUYV) |
Jacek Anaszewski | 9f7b62d | 2013-12-18 09:32:50 -0300 | [diff] [blame] | 1442 | s5p_jpeg_outform_raw(jpeg->regs, S5P_JPEG_RAW_OUT_422); |
Andrzej Pietrasiewicz | fb6f8c0 | 2012-02-20 07:32:25 -0300 | [diff] [blame] | 1443 | else |
Jacek Anaszewski | 9f7b62d | 2013-12-18 09:32:50 -0300 | [diff] [blame] | 1444 | s5p_jpeg_outform_raw(jpeg->regs, S5P_JPEG_RAW_OUT_420); |
| 1445 | s5p_jpeg_jpgadr(jpeg->regs, src_addr); |
| 1446 | s5p_jpeg_imgadr(jpeg->regs, dst_addr); |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 1447 | } |
Sylwester Nawrocki | 15f4bc3 | 2012-02-17 11:39:36 -0300 | [diff] [blame] | 1448 | |
Jacek Anaszewski | 9f7b62d | 2013-12-18 09:32:50 -0300 | [diff] [blame] | 1449 | s5p_jpeg_start(jpeg->regs); |
Jacek Anaszewski | b3c932a | 2013-11-25 06:58:14 -0300 | [diff] [blame] | 1450 | |
| 1451 | spin_unlock_irqrestore(&ctx->jpeg->slock, flags); |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 1452 | } |
| 1453 | |
Jacek Anaszewski | 80529ae | 2013-12-18 11:04:44 -0300 | [diff] [blame] | 1454 | static void exynos4_jpeg_set_img_addr(struct s5p_jpeg_ctx *ctx) |
| 1455 | { |
| 1456 | struct s5p_jpeg *jpeg = ctx->jpeg; |
| 1457 | struct s5p_jpeg_fmt *fmt; |
| 1458 | struct vb2_buffer *vb; |
| 1459 | struct s5p_jpeg_addr jpeg_addr; |
| 1460 | u32 pix_size, padding_bytes = 0; |
| 1461 | |
| 1462 | pix_size = ctx->cap_q.w * ctx->cap_q.h; |
| 1463 | |
| 1464 | if (ctx->mode == S5P_JPEG_ENCODE) { |
| 1465 | vb = v4l2_m2m_next_src_buf(ctx->fh.m2m_ctx); |
| 1466 | fmt = ctx->out_q.fmt; |
| 1467 | if (ctx->out_q.w % 2 && fmt->h_align > 0) |
| 1468 | padding_bytes = ctx->out_q.h; |
| 1469 | } else { |
| 1470 | fmt = ctx->cap_q.fmt; |
| 1471 | vb = v4l2_m2m_next_dst_buf(ctx->fh.m2m_ctx); |
| 1472 | } |
| 1473 | |
| 1474 | jpeg_addr.y = vb2_dma_contig_plane_dma_addr(vb, 0); |
| 1475 | |
| 1476 | if (fmt->colplanes == 2) { |
| 1477 | jpeg_addr.cb = jpeg_addr.y + pix_size - padding_bytes; |
| 1478 | } else if (fmt->colplanes == 3) { |
| 1479 | jpeg_addr.cb = jpeg_addr.y + pix_size; |
| 1480 | if (fmt->fourcc == V4L2_PIX_FMT_YUV420) |
| 1481 | jpeg_addr.cr = jpeg_addr.cb + pix_size / 4; |
| 1482 | else |
| 1483 | jpeg_addr.cr = jpeg_addr.cb + pix_size / 2; |
| 1484 | } |
| 1485 | |
| 1486 | exynos4_jpeg_set_frame_buf_address(jpeg->regs, &jpeg_addr); |
| 1487 | } |
| 1488 | |
| 1489 | static void exynos4_jpeg_set_jpeg_addr(struct s5p_jpeg_ctx *ctx) |
| 1490 | { |
| 1491 | struct s5p_jpeg *jpeg = ctx->jpeg; |
| 1492 | struct vb2_buffer *vb; |
| 1493 | unsigned int jpeg_addr = 0; |
| 1494 | |
| 1495 | if (ctx->mode == S5P_JPEG_ENCODE) |
| 1496 | vb = v4l2_m2m_next_dst_buf(ctx->fh.m2m_ctx); |
| 1497 | else |
| 1498 | vb = v4l2_m2m_next_src_buf(ctx->fh.m2m_ctx); |
| 1499 | |
| 1500 | jpeg_addr = vb2_dma_contig_plane_dma_addr(vb, 0); |
| 1501 | exynos4_jpeg_set_stream_buf_address(jpeg->regs, jpeg_addr); |
| 1502 | } |
| 1503 | |
| 1504 | static void exynos4_jpeg_device_run(void *priv) |
| 1505 | { |
| 1506 | struct s5p_jpeg_ctx *ctx = priv; |
| 1507 | struct s5p_jpeg *jpeg = ctx->jpeg; |
| 1508 | unsigned int bitstream_size; |
| 1509 | unsigned long flags; |
| 1510 | |
| 1511 | spin_lock_irqsave(&ctx->jpeg->slock, flags); |
| 1512 | |
| 1513 | if (ctx->mode == S5P_JPEG_ENCODE) { |
| 1514 | exynos4_jpeg_sw_reset(jpeg->regs); |
| 1515 | exynos4_jpeg_set_interrupt(jpeg->regs); |
| 1516 | exynos4_jpeg_set_huf_table_enable(jpeg->regs, 1); |
| 1517 | |
| 1518 | exynos4_jpeg_set_huff_tbl(jpeg->regs); |
| 1519 | |
| 1520 | /* |
| 1521 | * JPEG IP allows storing 4 quantization tables |
| 1522 | * We fill table 0 for luma and table 1 for chroma |
| 1523 | */ |
| 1524 | exynos4_jpeg_set_qtbl_lum(jpeg->regs, ctx->compr_quality); |
| 1525 | exynos4_jpeg_set_qtbl_chr(jpeg->regs, ctx->compr_quality); |
| 1526 | |
| 1527 | exynos4_jpeg_set_encode_tbl_select(jpeg->regs, |
| 1528 | ctx->compr_quality); |
| 1529 | exynos4_jpeg_set_stream_size(jpeg->regs, ctx->cap_q.w, |
| 1530 | ctx->cap_q.h); |
| 1531 | |
| 1532 | exynos4_jpeg_set_enc_out_fmt(jpeg->regs, ctx->subsampling); |
| 1533 | exynos4_jpeg_set_img_fmt(jpeg->regs, ctx->out_q.fmt->fourcc); |
| 1534 | exynos4_jpeg_set_img_addr(ctx); |
| 1535 | exynos4_jpeg_set_jpeg_addr(ctx); |
| 1536 | exynos4_jpeg_set_encode_hoff_cnt(jpeg->regs, |
| 1537 | ctx->out_q.fmt->fourcc); |
| 1538 | } else { |
| 1539 | exynos4_jpeg_sw_reset(jpeg->regs); |
| 1540 | exynos4_jpeg_set_interrupt(jpeg->regs); |
| 1541 | exynos4_jpeg_set_img_addr(ctx); |
| 1542 | exynos4_jpeg_set_jpeg_addr(ctx); |
| 1543 | exynos4_jpeg_set_img_fmt(jpeg->regs, ctx->cap_q.fmt->fourcc); |
| 1544 | |
| 1545 | bitstream_size = DIV_ROUND_UP(ctx->out_q.size, 32); |
| 1546 | |
| 1547 | exynos4_jpeg_set_dec_bitstream_size(jpeg->regs, bitstream_size); |
| 1548 | } |
| 1549 | |
| 1550 | exynos4_jpeg_set_enc_dec_mode(jpeg->regs, ctx->mode); |
| 1551 | |
| 1552 | spin_unlock_irqrestore(&ctx->jpeg->slock, flags); |
| 1553 | } |
| 1554 | |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 1555 | static int s5p_jpeg_job_ready(void *priv) |
| 1556 | { |
| 1557 | struct s5p_jpeg_ctx *ctx = priv; |
| 1558 | |
| 1559 | if (ctx->mode == S5P_JPEG_DECODE) |
| 1560 | return ctx->hdr_parsed; |
| 1561 | return 1; |
| 1562 | } |
| 1563 | |
| 1564 | static void s5p_jpeg_job_abort(void *priv) |
| 1565 | { |
| 1566 | } |
| 1567 | |
| 1568 | static struct v4l2_m2m_ops s5p_jpeg_m2m_ops = { |
| 1569 | .device_run = s5p_jpeg_device_run, |
| 1570 | .job_ready = s5p_jpeg_job_ready, |
| 1571 | .job_abort = s5p_jpeg_job_abort, |
Jacek Anaszewski | 80529ae | 2013-12-18 11:04:44 -0300 | [diff] [blame] | 1572 | } |
| 1573 | ; |
| 1574 | static struct v4l2_m2m_ops exynos_jpeg_m2m_ops = { |
| 1575 | .device_run = exynos4_jpeg_device_run, |
| 1576 | .job_ready = s5p_jpeg_job_ready, |
| 1577 | .job_abort = s5p_jpeg_job_abort, |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 1578 | }; |
| 1579 | |
| 1580 | /* |
| 1581 | * ============================================================================ |
| 1582 | * Queue operations |
| 1583 | * ============================================================================ |
| 1584 | */ |
| 1585 | |
Marek Szyprowski | 719c174 | 2012-01-13 05:12:38 -0300 | [diff] [blame] | 1586 | static int s5p_jpeg_queue_setup(struct vb2_queue *vq, |
| 1587 | const struct v4l2_format *fmt, |
| 1588 | unsigned int *nbuffers, unsigned int *nplanes, |
| 1589 | unsigned int sizes[], void *alloc_ctxs[]) |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 1590 | { |
| 1591 | struct s5p_jpeg_ctx *ctx = vb2_get_drv_priv(vq); |
| 1592 | struct s5p_jpeg_q_data *q_data = NULL; |
| 1593 | unsigned int size, count = *nbuffers; |
| 1594 | |
| 1595 | q_data = get_q_data(ctx, vq->type); |
| 1596 | BUG_ON(q_data == NULL); |
| 1597 | |
| 1598 | size = q_data->size; |
| 1599 | |
| 1600 | /* |
| 1601 | * header is parsed during decoding and parsed information stored |
| 1602 | * in the context so we do not allow another buffer to overwrite it |
| 1603 | */ |
| 1604 | if (ctx->mode == S5P_JPEG_DECODE) |
| 1605 | count = 1; |
| 1606 | |
| 1607 | *nbuffers = count; |
| 1608 | *nplanes = 1; |
| 1609 | sizes[0] = size; |
| 1610 | alloc_ctxs[0] = ctx->jpeg->alloc_ctx; |
| 1611 | |
| 1612 | return 0; |
| 1613 | } |
| 1614 | |
| 1615 | static int s5p_jpeg_buf_prepare(struct vb2_buffer *vb) |
| 1616 | { |
| 1617 | struct s5p_jpeg_ctx *ctx = vb2_get_drv_priv(vb->vb2_queue); |
| 1618 | struct s5p_jpeg_q_data *q_data = NULL; |
| 1619 | |
| 1620 | q_data = get_q_data(ctx, vb->vb2_queue->type); |
| 1621 | BUG_ON(q_data == NULL); |
| 1622 | |
| 1623 | if (vb2_plane_size(vb, 0) < q_data->size) { |
| 1624 | pr_err("%s data will not fit into plane (%lu < %lu)\n", |
| 1625 | __func__, vb2_plane_size(vb, 0), |
| 1626 | (long)q_data->size); |
| 1627 | return -EINVAL; |
| 1628 | } |
| 1629 | |
| 1630 | vb2_set_plane_payload(vb, 0, q_data->size); |
| 1631 | |
| 1632 | return 0; |
| 1633 | } |
| 1634 | |
| 1635 | static void s5p_jpeg_buf_queue(struct vb2_buffer *vb) |
| 1636 | { |
| 1637 | struct s5p_jpeg_ctx *ctx = vb2_get_drv_priv(vb->vb2_queue); |
| 1638 | |
| 1639 | if (ctx->mode == S5P_JPEG_DECODE && |
| 1640 | vb->vb2_queue->type == V4L2_BUF_TYPE_VIDEO_OUTPUT) { |
| 1641 | struct s5p_jpeg_q_data tmp, *q_data; |
| 1642 | ctx->hdr_parsed = s5p_jpeg_parse_hdr(&tmp, |
| 1643 | (unsigned long)vb2_plane_vaddr(vb, 0), |
| 1644 | min((unsigned long)ctx->out_q.size, |
Jacek Anaszewski | f843396 | 2013-11-21 13:33:09 -0300 | [diff] [blame] | 1645 | vb2_get_plane_payload(vb, 0)), ctx); |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 1646 | if (!ctx->hdr_parsed) { |
| 1647 | vb2_buffer_done(vb, VB2_BUF_STATE_ERROR); |
| 1648 | return; |
| 1649 | } |
| 1650 | |
| 1651 | q_data = &ctx->out_q; |
| 1652 | q_data->w = tmp.w; |
| 1653 | q_data->h = tmp.h; |
| 1654 | |
| 1655 | q_data = &ctx->cap_q; |
| 1656 | q_data->w = tmp.w; |
| 1657 | q_data->h = tmp.h; |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 1658 | } |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 1659 | |
Sylwester Nawrocki | 718cf4a | 2013-08-25 17:16:56 -0300 | [diff] [blame] | 1660 | v4l2_m2m_buf_queue(ctx->fh.m2m_ctx, vb); |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 1661 | } |
| 1662 | |
| 1663 | static int s5p_jpeg_start_streaming(struct vb2_queue *q, unsigned int count) |
| 1664 | { |
| 1665 | struct s5p_jpeg_ctx *ctx = vb2_get_drv_priv(q); |
| 1666 | int ret; |
| 1667 | |
| 1668 | ret = pm_runtime_get_sync(ctx->jpeg->dev); |
| 1669 | |
| 1670 | return ret > 0 ? 0 : ret; |
| 1671 | } |
| 1672 | |
| 1673 | static int s5p_jpeg_stop_streaming(struct vb2_queue *q) |
| 1674 | { |
| 1675 | struct s5p_jpeg_ctx *ctx = vb2_get_drv_priv(q); |
| 1676 | |
| 1677 | pm_runtime_put(ctx->jpeg->dev); |
| 1678 | |
| 1679 | return 0; |
| 1680 | } |
| 1681 | |
| 1682 | static struct vb2_ops s5p_jpeg_qops = { |
| 1683 | .queue_setup = s5p_jpeg_queue_setup, |
| 1684 | .buf_prepare = s5p_jpeg_buf_prepare, |
| 1685 | .buf_queue = s5p_jpeg_buf_queue, |
Sylwester Nawrocki | 718cf4a | 2013-08-25 17:16:56 -0300 | [diff] [blame] | 1686 | .wait_prepare = vb2_ops_wait_prepare, |
| 1687 | .wait_finish = vb2_ops_wait_finish, |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 1688 | .start_streaming = s5p_jpeg_start_streaming, |
| 1689 | .stop_streaming = s5p_jpeg_stop_streaming, |
| 1690 | }; |
| 1691 | |
| 1692 | static int queue_init(void *priv, struct vb2_queue *src_vq, |
| 1693 | struct vb2_queue *dst_vq) |
| 1694 | { |
| 1695 | struct s5p_jpeg_ctx *ctx = priv; |
| 1696 | int ret; |
| 1697 | |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 1698 | src_vq->type = V4L2_BUF_TYPE_VIDEO_OUTPUT; |
| 1699 | src_vq->io_modes = VB2_MMAP | VB2_USERPTR; |
| 1700 | src_vq->drv_priv = ctx; |
| 1701 | src_vq->buf_struct_size = sizeof(struct v4l2_m2m_buffer); |
| 1702 | src_vq->ops = &s5p_jpeg_qops; |
| 1703 | src_vq->mem_ops = &vb2_dma_contig_memops; |
Kamil Debski | aca326a | 2013-04-24 10:08:02 -0300 | [diff] [blame] | 1704 | src_vq->timestamp_type = V4L2_BUF_FLAG_TIMESTAMP_COPY; |
Sylwester Nawrocki | 718cf4a | 2013-08-25 17:16:56 -0300 | [diff] [blame] | 1705 | src_vq->lock = &ctx->jpeg->lock; |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 1706 | |
| 1707 | ret = vb2_queue_init(src_vq); |
| 1708 | if (ret) |
| 1709 | return ret; |
| 1710 | |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 1711 | dst_vq->type = V4L2_BUF_TYPE_VIDEO_CAPTURE; |
| 1712 | dst_vq->io_modes = VB2_MMAP | VB2_USERPTR; |
| 1713 | dst_vq->drv_priv = ctx; |
| 1714 | dst_vq->buf_struct_size = sizeof(struct v4l2_m2m_buffer); |
| 1715 | dst_vq->ops = &s5p_jpeg_qops; |
| 1716 | dst_vq->mem_ops = &vb2_dma_contig_memops; |
Kamil Debski | aca326a | 2013-04-24 10:08:02 -0300 | [diff] [blame] | 1717 | dst_vq->timestamp_type = V4L2_BUF_FLAG_TIMESTAMP_COPY; |
Sylwester Nawrocki | 718cf4a | 2013-08-25 17:16:56 -0300 | [diff] [blame] | 1718 | dst_vq->lock = &ctx->jpeg->lock; |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 1719 | |
| 1720 | return vb2_queue_init(dst_vq); |
| 1721 | } |
| 1722 | |
| 1723 | /* |
| 1724 | * ============================================================================ |
| 1725 | * ISR |
| 1726 | * ============================================================================ |
| 1727 | */ |
| 1728 | |
| 1729 | static irqreturn_t s5p_jpeg_irq(int irq, void *dev_id) |
| 1730 | { |
| 1731 | struct s5p_jpeg *jpeg = dev_id; |
| 1732 | struct s5p_jpeg_ctx *curr_ctx; |
| 1733 | struct vb2_buffer *src_buf, *dst_buf; |
| 1734 | unsigned long payload_size = 0; |
| 1735 | enum vb2_buffer_state state = VB2_BUF_STATE_DONE; |
| 1736 | bool enc_jpeg_too_large = false; |
| 1737 | bool timer_elapsed = false; |
| 1738 | bool op_completed = false; |
| 1739 | |
Sylwester Nawrocki | 15f4bc3 | 2012-02-17 11:39:36 -0300 | [diff] [blame] | 1740 | spin_lock(&jpeg->slock); |
| 1741 | |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 1742 | curr_ctx = v4l2_m2m_get_curr_priv(jpeg->m2m_dev); |
| 1743 | |
Sylwester Nawrocki | 718cf4a | 2013-08-25 17:16:56 -0300 | [diff] [blame] | 1744 | src_buf = v4l2_m2m_src_buf_remove(curr_ctx->fh.m2m_ctx); |
| 1745 | dst_buf = v4l2_m2m_dst_buf_remove(curr_ctx->fh.m2m_ctx); |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 1746 | |
| 1747 | if (curr_ctx->mode == S5P_JPEG_ENCODE) |
Jacek Anaszewski | 9f7b62d | 2013-12-18 09:32:50 -0300 | [diff] [blame] | 1748 | enc_jpeg_too_large = s5p_jpeg_enc_stream_stat(jpeg->regs); |
| 1749 | timer_elapsed = s5p_jpeg_timer_stat(jpeg->regs); |
| 1750 | op_completed = s5p_jpeg_result_stat_ok(jpeg->regs); |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 1751 | if (curr_ctx->mode == S5P_JPEG_DECODE) |
Jacek Anaszewski | 9f7b62d | 2013-12-18 09:32:50 -0300 | [diff] [blame] | 1752 | op_completed = op_completed && |
| 1753 | s5p_jpeg_stream_stat_ok(jpeg->regs); |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 1754 | |
| 1755 | if (enc_jpeg_too_large) { |
| 1756 | state = VB2_BUF_STATE_ERROR; |
Jacek Anaszewski | 9f7b62d | 2013-12-18 09:32:50 -0300 | [diff] [blame] | 1757 | s5p_jpeg_clear_enc_stream_stat(jpeg->regs); |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 1758 | } else if (timer_elapsed) { |
| 1759 | state = VB2_BUF_STATE_ERROR; |
Jacek Anaszewski | 9f7b62d | 2013-12-18 09:32:50 -0300 | [diff] [blame] | 1760 | s5p_jpeg_clear_timer_stat(jpeg->regs); |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 1761 | } else if (!op_completed) { |
| 1762 | state = VB2_BUF_STATE_ERROR; |
| 1763 | } else { |
Jacek Anaszewski | 9f7b62d | 2013-12-18 09:32:50 -0300 | [diff] [blame] | 1764 | payload_size = s5p_jpeg_compressed_size(jpeg->regs); |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 1765 | } |
| 1766 | |
Kamil Debski | aca326a | 2013-04-24 10:08:02 -0300 | [diff] [blame] | 1767 | dst_buf->v4l2_buf.timecode = src_buf->v4l2_buf.timecode; |
| 1768 | dst_buf->v4l2_buf.timestamp = src_buf->v4l2_buf.timestamp; |
| 1769 | |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 1770 | v4l2_m2m_buf_done(src_buf, state); |
| 1771 | if (curr_ctx->mode == S5P_JPEG_ENCODE) |
| 1772 | vb2_set_plane_payload(dst_buf, 0, payload_size); |
| 1773 | v4l2_m2m_buf_done(dst_buf, state); |
Sylwester Nawrocki | 718cf4a | 2013-08-25 17:16:56 -0300 | [diff] [blame] | 1774 | v4l2_m2m_job_finish(jpeg->m2m_dev, curr_ctx->fh.m2m_ctx); |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 1775 | |
Jacek Anaszewski | 9f7b62d | 2013-12-18 09:32:50 -0300 | [diff] [blame] | 1776 | curr_ctx->subsampling = s5p_jpeg_get_subsampling_mode(jpeg->regs); |
Sylwester Nawrocki | 15f4bc3 | 2012-02-17 11:39:36 -0300 | [diff] [blame] | 1777 | spin_unlock(&jpeg->slock); |
Andrzej Pietrasiewicz | fb6f8c0 | 2012-02-20 07:32:25 -0300 | [diff] [blame] | 1778 | |
Jacek Anaszewski | 9f7b62d | 2013-12-18 09:32:50 -0300 | [diff] [blame] | 1779 | s5p_jpeg_clear_int(jpeg->regs); |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 1780 | |
| 1781 | return IRQ_HANDLED; |
| 1782 | } |
| 1783 | |
Jacek Anaszewski | 80529ae | 2013-12-18 11:04:44 -0300 | [diff] [blame] | 1784 | static irqreturn_t exynos4_jpeg_irq(int irq, void *priv) |
| 1785 | { |
| 1786 | unsigned int int_status; |
| 1787 | struct vb2_buffer *src_vb, *dst_vb; |
| 1788 | struct s5p_jpeg *jpeg = priv; |
| 1789 | struct s5p_jpeg_ctx *curr_ctx; |
| 1790 | unsigned long payload_size = 0; |
| 1791 | |
| 1792 | spin_lock(&jpeg->slock); |
| 1793 | |
| 1794 | curr_ctx = v4l2_m2m_get_curr_priv(jpeg->m2m_dev); |
| 1795 | |
| 1796 | src_vb = v4l2_m2m_src_buf_remove(curr_ctx->fh.m2m_ctx); |
| 1797 | dst_vb = v4l2_m2m_dst_buf_remove(curr_ctx->fh.m2m_ctx); |
| 1798 | |
| 1799 | int_status = exynos4_jpeg_get_int_status(jpeg->regs); |
| 1800 | |
| 1801 | if (int_status) { |
| 1802 | switch (int_status & 0x1f) { |
| 1803 | case 0x1: |
| 1804 | jpeg->irq_ret = ERR_PROT; |
| 1805 | break; |
| 1806 | case 0x2: |
| 1807 | jpeg->irq_ret = OK_ENC_OR_DEC; |
| 1808 | break; |
| 1809 | case 0x4: |
| 1810 | jpeg->irq_ret = ERR_DEC_INVALID_FORMAT; |
| 1811 | break; |
| 1812 | case 0x8: |
| 1813 | jpeg->irq_ret = ERR_MULTI_SCAN; |
| 1814 | break; |
| 1815 | case 0x10: |
| 1816 | jpeg->irq_ret = ERR_FRAME; |
| 1817 | break; |
| 1818 | default: |
| 1819 | jpeg->irq_ret = ERR_UNKNOWN; |
| 1820 | break; |
| 1821 | } |
| 1822 | } else { |
| 1823 | jpeg->irq_ret = ERR_UNKNOWN; |
| 1824 | } |
| 1825 | |
| 1826 | if (jpeg->irq_ret == OK_ENC_OR_DEC) { |
| 1827 | if (curr_ctx->mode == S5P_JPEG_ENCODE) { |
| 1828 | payload_size = exynos4_jpeg_get_stream_size(jpeg->regs); |
| 1829 | vb2_set_plane_payload(dst_vb, 0, payload_size); |
| 1830 | } |
| 1831 | v4l2_m2m_buf_done(src_vb, VB2_BUF_STATE_DONE); |
| 1832 | v4l2_m2m_buf_done(dst_vb, VB2_BUF_STATE_DONE); |
| 1833 | } else { |
| 1834 | v4l2_m2m_buf_done(src_vb, VB2_BUF_STATE_ERROR); |
| 1835 | v4l2_m2m_buf_done(dst_vb, VB2_BUF_STATE_ERROR); |
| 1836 | } |
| 1837 | |
| 1838 | v4l2_m2m_job_finish(jpeg->m2m_dev, curr_ctx->fh.m2m_ctx); |
| 1839 | curr_ctx->subsampling = exynos4_jpeg_get_frame_fmt(jpeg->regs); |
| 1840 | |
| 1841 | spin_unlock(&jpeg->slock); |
| 1842 | return IRQ_HANDLED; |
| 1843 | } |
| 1844 | |
| 1845 | static void *jpeg_get_drv_data(struct platform_device *pdev); |
| 1846 | |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 1847 | /* |
| 1848 | * ============================================================================ |
| 1849 | * Driver basic infrastructure |
| 1850 | * ============================================================================ |
| 1851 | */ |
| 1852 | |
| 1853 | static int s5p_jpeg_probe(struct platform_device *pdev) |
| 1854 | { |
| 1855 | struct s5p_jpeg *jpeg; |
| 1856 | struct resource *res; |
Jacek Anaszewski | 80529ae | 2013-12-18 11:04:44 -0300 | [diff] [blame] | 1857 | struct v4l2_m2m_ops *samsung_jpeg_m2m_ops; |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 1858 | int ret; |
| 1859 | |
Jacek Anaszewski | 80529ae | 2013-12-18 11:04:44 -0300 | [diff] [blame] | 1860 | if (!pdev->dev.of_node) |
| 1861 | return -ENODEV; |
| 1862 | |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 1863 | /* JPEG IP abstraction struct */ |
Sachin Kamat | 5b58b95 | 2012-05-14 06:33:34 -0300 | [diff] [blame] | 1864 | jpeg = devm_kzalloc(&pdev->dev, sizeof(struct s5p_jpeg), GFP_KERNEL); |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 1865 | if (!jpeg) |
| 1866 | return -ENOMEM; |
| 1867 | |
Jacek Anaszewski | 80529ae | 2013-12-18 11:04:44 -0300 | [diff] [blame] | 1868 | jpeg->variant = jpeg_get_drv_data(pdev); |
| 1869 | |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 1870 | mutex_init(&jpeg->lock); |
Sylwester Nawrocki | 15f4bc3 | 2012-02-17 11:39:36 -0300 | [diff] [blame] | 1871 | spin_lock_init(&jpeg->slock); |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 1872 | jpeg->dev = &pdev->dev; |
| 1873 | |
| 1874 | /* memory-mapped registers */ |
| 1875 | res = platform_get_resource(pdev, IORESOURCE_MEM, 0); |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 1876 | |
Thierry Reding | f23999e | 2013-01-21 06:09:07 -0300 | [diff] [blame] | 1877 | jpeg->regs = devm_ioremap_resource(&pdev->dev, res); |
| 1878 | if (IS_ERR(jpeg->regs)) |
| 1879 | return PTR_ERR(jpeg->regs); |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 1880 | |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 1881 | /* interrupt service routine registration */ |
| 1882 | jpeg->irq = ret = platform_get_irq(pdev, 0); |
| 1883 | if (ret < 0) { |
| 1884 | dev_err(&pdev->dev, "cannot find IRQ\n"); |
Sachin Kamat | 5b58b95 | 2012-05-14 06:33:34 -0300 | [diff] [blame] | 1885 | return ret; |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 1886 | } |
| 1887 | |
Jacek Anaszewski | 80529ae | 2013-12-18 11:04:44 -0300 | [diff] [blame] | 1888 | ret = devm_request_irq(&pdev->dev, jpeg->irq, jpeg->variant->jpeg_irq, |
| 1889 | 0, dev_name(&pdev->dev), jpeg); |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 1890 | if (ret) { |
| 1891 | dev_err(&pdev->dev, "cannot claim IRQ %d\n", jpeg->irq); |
Sachin Kamat | 5b58b95 | 2012-05-14 06:33:34 -0300 | [diff] [blame] | 1892 | return ret; |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 1893 | } |
| 1894 | |
| 1895 | /* clocks */ |
| 1896 | jpeg->clk = clk_get(&pdev->dev, "jpeg"); |
| 1897 | if (IS_ERR(jpeg->clk)) { |
| 1898 | dev_err(&pdev->dev, "cannot get clock\n"); |
| 1899 | ret = PTR_ERR(jpeg->clk); |
Sachin Kamat | 5b58b95 | 2012-05-14 06:33:34 -0300 | [diff] [blame] | 1900 | return ret; |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 1901 | } |
| 1902 | dev_dbg(&pdev->dev, "clock source %p\n", jpeg->clk); |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 1903 | |
| 1904 | /* v4l2 device */ |
| 1905 | ret = v4l2_device_register(&pdev->dev, &jpeg->v4l2_dev); |
| 1906 | if (ret) { |
| 1907 | dev_err(&pdev->dev, "Failed to register v4l2 device\n"); |
| 1908 | goto clk_get_rollback; |
| 1909 | } |
| 1910 | |
Jacek Anaszewski | 80529ae | 2013-12-18 11:04:44 -0300 | [diff] [blame] | 1911 | if (jpeg->variant->version == SJPEG_S5P) |
| 1912 | samsung_jpeg_m2m_ops = &s5p_jpeg_m2m_ops; |
| 1913 | else |
| 1914 | samsung_jpeg_m2m_ops = &exynos_jpeg_m2m_ops; |
| 1915 | |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 1916 | /* mem2mem device */ |
Jacek Anaszewski | 80529ae | 2013-12-18 11:04:44 -0300 | [diff] [blame] | 1917 | jpeg->m2m_dev = v4l2_m2m_init(samsung_jpeg_m2m_ops); |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 1918 | if (IS_ERR(jpeg->m2m_dev)) { |
| 1919 | v4l2_err(&jpeg->v4l2_dev, "Failed to init mem2mem device\n"); |
| 1920 | ret = PTR_ERR(jpeg->m2m_dev); |
| 1921 | goto device_register_rollback; |
| 1922 | } |
| 1923 | |
| 1924 | jpeg->alloc_ctx = vb2_dma_contig_init_ctx(&pdev->dev); |
| 1925 | if (IS_ERR(jpeg->alloc_ctx)) { |
| 1926 | v4l2_err(&jpeg->v4l2_dev, "Failed to init memory allocator\n"); |
| 1927 | ret = PTR_ERR(jpeg->alloc_ctx); |
| 1928 | goto m2m_init_rollback; |
| 1929 | } |
| 1930 | |
| 1931 | /* JPEG encoder /dev/videoX node */ |
| 1932 | jpeg->vfd_encoder = video_device_alloc(); |
| 1933 | if (!jpeg->vfd_encoder) { |
| 1934 | v4l2_err(&jpeg->v4l2_dev, "Failed to allocate video device\n"); |
| 1935 | ret = -ENOMEM; |
| 1936 | goto vb2_allocator_rollback; |
| 1937 | } |
Seung-Woo Kim | baaf046 | 2013-10-10 04:45:56 -0300 | [diff] [blame] | 1938 | snprintf(jpeg->vfd_encoder->name, sizeof(jpeg->vfd_encoder->name), |
| 1939 | "%s-enc", S5P_JPEG_M2M_NAME); |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 1940 | jpeg->vfd_encoder->fops = &s5p_jpeg_fops; |
| 1941 | jpeg->vfd_encoder->ioctl_ops = &s5p_jpeg_ioctl_ops; |
| 1942 | jpeg->vfd_encoder->minor = -1; |
| 1943 | jpeg->vfd_encoder->release = video_device_release; |
| 1944 | jpeg->vfd_encoder->lock = &jpeg->lock; |
| 1945 | jpeg->vfd_encoder->v4l2_dev = &jpeg->v4l2_dev; |
Hans Verkuil | 954f340 | 2012-09-05 06:05:50 -0300 | [diff] [blame] | 1946 | jpeg->vfd_encoder->vfl_dir = VFL_DIR_M2M; |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 1947 | |
| 1948 | ret = video_register_device(jpeg->vfd_encoder, VFL_TYPE_GRABBER, -1); |
| 1949 | if (ret) { |
| 1950 | v4l2_err(&jpeg->v4l2_dev, "Failed to register video device\n"); |
| 1951 | goto enc_vdev_alloc_rollback; |
| 1952 | } |
| 1953 | |
| 1954 | video_set_drvdata(jpeg->vfd_encoder, jpeg); |
| 1955 | v4l2_info(&jpeg->v4l2_dev, |
| 1956 | "encoder device registered as /dev/video%d\n", |
| 1957 | jpeg->vfd_encoder->num); |
| 1958 | |
| 1959 | /* JPEG decoder /dev/videoX node */ |
| 1960 | jpeg->vfd_decoder = video_device_alloc(); |
| 1961 | if (!jpeg->vfd_decoder) { |
| 1962 | v4l2_err(&jpeg->v4l2_dev, "Failed to allocate video device\n"); |
| 1963 | ret = -ENOMEM; |
| 1964 | goto enc_vdev_register_rollback; |
| 1965 | } |
Seung-Woo Kim | baaf046 | 2013-10-10 04:45:56 -0300 | [diff] [blame] | 1966 | snprintf(jpeg->vfd_decoder->name, sizeof(jpeg->vfd_decoder->name), |
| 1967 | "%s-dec", S5P_JPEG_M2M_NAME); |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 1968 | jpeg->vfd_decoder->fops = &s5p_jpeg_fops; |
| 1969 | jpeg->vfd_decoder->ioctl_ops = &s5p_jpeg_ioctl_ops; |
| 1970 | jpeg->vfd_decoder->minor = -1; |
| 1971 | jpeg->vfd_decoder->release = video_device_release; |
| 1972 | jpeg->vfd_decoder->lock = &jpeg->lock; |
| 1973 | jpeg->vfd_decoder->v4l2_dev = &jpeg->v4l2_dev; |
Jacek Anaszewski | 7f7d8fe | 2013-09-11 06:17:45 -0300 | [diff] [blame] | 1974 | jpeg->vfd_decoder->vfl_dir = VFL_DIR_M2M; |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 1975 | |
| 1976 | ret = video_register_device(jpeg->vfd_decoder, VFL_TYPE_GRABBER, -1); |
| 1977 | if (ret) { |
| 1978 | v4l2_err(&jpeg->v4l2_dev, "Failed to register video device\n"); |
| 1979 | goto dec_vdev_alloc_rollback; |
| 1980 | } |
| 1981 | |
| 1982 | video_set_drvdata(jpeg->vfd_decoder, jpeg); |
| 1983 | v4l2_info(&jpeg->v4l2_dev, |
| 1984 | "decoder device registered as /dev/video%d\n", |
| 1985 | jpeg->vfd_decoder->num); |
| 1986 | |
| 1987 | /* final statements & power management */ |
| 1988 | platform_set_drvdata(pdev, jpeg); |
| 1989 | |
| 1990 | pm_runtime_enable(&pdev->dev); |
| 1991 | |
| 1992 | v4l2_info(&jpeg->v4l2_dev, "Samsung S5P JPEG codec\n"); |
| 1993 | |
| 1994 | return 0; |
| 1995 | |
| 1996 | dec_vdev_alloc_rollback: |
| 1997 | video_device_release(jpeg->vfd_decoder); |
| 1998 | |
| 1999 | enc_vdev_register_rollback: |
| 2000 | video_unregister_device(jpeg->vfd_encoder); |
| 2001 | |
| 2002 | enc_vdev_alloc_rollback: |
| 2003 | video_device_release(jpeg->vfd_encoder); |
| 2004 | |
| 2005 | vb2_allocator_rollback: |
| 2006 | vb2_dma_contig_cleanup_ctx(jpeg->alloc_ctx); |
| 2007 | |
| 2008 | m2m_init_rollback: |
| 2009 | v4l2_m2m_release(jpeg->m2m_dev); |
| 2010 | |
| 2011 | device_register_rollback: |
| 2012 | v4l2_device_unregister(&jpeg->v4l2_dev); |
| 2013 | |
| 2014 | clk_get_rollback: |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 2015 | clk_put(jpeg->clk); |
| 2016 | |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 2017 | return ret; |
| 2018 | } |
| 2019 | |
| 2020 | static int s5p_jpeg_remove(struct platform_device *pdev) |
| 2021 | { |
| 2022 | struct s5p_jpeg *jpeg = platform_get_drvdata(pdev); |
| 2023 | |
| 2024 | pm_runtime_disable(jpeg->dev); |
| 2025 | |
| 2026 | video_unregister_device(jpeg->vfd_decoder); |
| 2027 | video_device_release(jpeg->vfd_decoder); |
| 2028 | video_unregister_device(jpeg->vfd_encoder); |
| 2029 | video_device_release(jpeg->vfd_encoder); |
| 2030 | vb2_dma_contig_cleanup_ctx(jpeg->alloc_ctx); |
| 2031 | v4l2_m2m_release(jpeg->m2m_dev); |
| 2032 | v4l2_device_unregister(&jpeg->v4l2_dev); |
| 2033 | |
Jacek Anaszewski | f134713 | 2013-11-25 06:58:13 -0300 | [diff] [blame] | 2034 | if (!pm_runtime_status_suspended(&pdev->dev)) |
| 2035 | clk_disable_unprepare(jpeg->clk); |
| 2036 | |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 2037 | clk_put(jpeg->clk); |
| 2038 | |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 2039 | return 0; |
| 2040 | } |
| 2041 | |
| 2042 | static int s5p_jpeg_runtime_suspend(struct device *dev) |
| 2043 | { |
Jacek Anaszewski | f134713 | 2013-11-25 06:58:13 -0300 | [diff] [blame] | 2044 | struct s5p_jpeg *jpeg = dev_get_drvdata(dev); |
| 2045 | |
| 2046 | clk_disable_unprepare(jpeg->clk); |
| 2047 | |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 2048 | return 0; |
| 2049 | } |
| 2050 | |
| 2051 | static int s5p_jpeg_runtime_resume(struct device *dev) |
| 2052 | { |
| 2053 | struct s5p_jpeg *jpeg = dev_get_drvdata(dev); |
Jacek Anaszewski | b3c932a | 2013-11-25 06:58:14 -0300 | [diff] [blame] | 2054 | unsigned long flags; |
Jacek Anaszewski | f134713 | 2013-11-25 06:58:13 -0300 | [diff] [blame] | 2055 | int ret; |
| 2056 | |
| 2057 | ret = clk_prepare_enable(jpeg->clk); |
| 2058 | if (ret < 0) |
| 2059 | return ret; |
Jacek Anaszewski | 31dc0ac | 2013-11-25 06:58:12 -0300 | [diff] [blame] | 2060 | |
Jacek Anaszewski | b3c932a | 2013-11-25 06:58:14 -0300 | [diff] [blame] | 2061 | spin_lock_irqsave(&jpeg->slock, flags); |
| 2062 | |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 2063 | /* |
| 2064 | * JPEG IP allows storing two Huffman tables for each component |
Jacek Anaszewski | 80529ae | 2013-12-18 11:04:44 -0300 | [diff] [blame] | 2065 | * We fill table 0 for each component and do this here only |
| 2066 | * for S5PC210 device as Exynos4x12 requires programming its |
| 2067 | * Huffman tables each time the encoding process is initialized. |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 2068 | */ |
Jacek Anaszewski | 80529ae | 2013-12-18 11:04:44 -0300 | [diff] [blame] | 2069 | if (jpeg->variant->version == SJPEG_S5P) { |
| 2070 | s5p_jpeg_set_hdctbl(jpeg->regs); |
| 2071 | s5p_jpeg_set_hdctblg(jpeg->regs); |
| 2072 | s5p_jpeg_set_hactbl(jpeg->regs); |
| 2073 | s5p_jpeg_set_hactblg(jpeg->regs); |
| 2074 | } |
Jacek Anaszewski | 31dc0ac | 2013-11-25 06:58:12 -0300 | [diff] [blame] | 2075 | |
Jacek Anaszewski | b3c932a | 2013-11-25 06:58:14 -0300 | [diff] [blame] | 2076 | spin_unlock_irqrestore(&jpeg->slock, flags); |
| 2077 | |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 2078 | return 0; |
| 2079 | } |
| 2080 | |
Jacek Anaszewski | f134713 | 2013-11-25 06:58:13 -0300 | [diff] [blame] | 2081 | static int s5p_jpeg_suspend(struct device *dev) |
| 2082 | { |
| 2083 | if (pm_runtime_suspended(dev)) |
| 2084 | return 0; |
| 2085 | |
| 2086 | return s5p_jpeg_runtime_suspend(dev); |
| 2087 | } |
| 2088 | |
| 2089 | static int s5p_jpeg_resume(struct device *dev) |
| 2090 | { |
| 2091 | if (pm_runtime_suspended(dev)) |
| 2092 | return 0; |
| 2093 | |
| 2094 | return s5p_jpeg_runtime_resume(dev); |
| 2095 | } |
| 2096 | |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 2097 | static const struct dev_pm_ops s5p_jpeg_pm_ops = { |
Jacek Anaszewski | f134713 | 2013-11-25 06:58:13 -0300 | [diff] [blame] | 2098 | SET_SYSTEM_SLEEP_PM_OPS(s5p_jpeg_suspend, s5p_jpeg_resume) |
| 2099 | SET_RUNTIME_PM_OPS(s5p_jpeg_runtime_suspend, s5p_jpeg_runtime_resume, NULL) |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 2100 | }; |
| 2101 | |
Sylwester Nawrocki | f7074ab | 2013-08-18 16:14:27 -0300 | [diff] [blame] | 2102 | #ifdef CONFIG_OF |
Jacek Anaszewski | 80529ae | 2013-12-18 11:04:44 -0300 | [diff] [blame] | 2103 | static struct s5p_jpeg_variant s5p_jpeg_drvdata = { |
| 2104 | .version = SJPEG_S5P, |
| 2105 | .jpeg_irq = s5p_jpeg_irq, |
Sylwester Nawrocki | f7074ab | 2013-08-18 16:14:27 -0300 | [diff] [blame] | 2106 | }; |
Jacek Anaszewski | 80529ae | 2013-12-18 11:04:44 -0300 | [diff] [blame] | 2107 | |
| 2108 | static struct s5p_jpeg_variant exynos4_jpeg_drvdata = { |
| 2109 | .version = SJPEG_EXYNOS4, |
| 2110 | .jpeg_irq = exynos4_jpeg_irq, |
| 2111 | }; |
| 2112 | |
| 2113 | static const struct of_device_id samsung_jpeg_match[] = { |
| 2114 | { |
| 2115 | .compatible = "samsung,s5pv210-jpeg", |
| 2116 | .data = &s5p_jpeg_drvdata, |
| 2117 | }, { |
| 2118 | .compatible = "samsung,exynos4210-jpeg", |
| 2119 | .data = &s5p_jpeg_drvdata, |
| 2120 | }, { |
| 2121 | .compatible = "samsung,exynos4212-jpeg", |
| 2122 | .data = &exynos4_jpeg_drvdata, |
| 2123 | }, |
| 2124 | {}, |
| 2125 | }; |
| 2126 | |
| 2127 | MODULE_DEVICE_TABLE(of, samsung_jpeg_match); |
| 2128 | |
| 2129 | static void *jpeg_get_drv_data(struct platform_device *pdev) |
| 2130 | { |
| 2131 | struct s5p_jpeg_variant *driver_data = NULL; |
| 2132 | const struct of_device_id *match; |
| 2133 | |
| 2134 | match = of_match_node(of_match_ptr(samsung_jpeg_match), |
| 2135 | pdev->dev.of_node); |
| 2136 | if (match) |
| 2137 | driver_data = (struct s5p_jpeg_variant *)match->data; |
| 2138 | |
| 2139 | return driver_data; |
| 2140 | } |
Sylwester Nawrocki | f7074ab | 2013-08-18 16:14:27 -0300 | [diff] [blame] | 2141 | #endif |
| 2142 | |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 2143 | static struct platform_driver s5p_jpeg_driver = { |
| 2144 | .probe = s5p_jpeg_probe, |
| 2145 | .remove = s5p_jpeg_remove, |
| 2146 | .driver = { |
Jacek Anaszewski | 80529ae | 2013-12-18 11:04:44 -0300 | [diff] [blame] | 2147 | .of_match_table = of_match_ptr(samsung_jpeg_match), |
| 2148 | .owner = THIS_MODULE, |
| 2149 | .name = S5P_JPEG_M2M_NAME, |
| 2150 | .pm = &s5p_jpeg_pm_ops, |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 2151 | }, |
| 2152 | }; |
| 2153 | |
Sachin Kamat | 87e9429 | 2012-07-03 05:54:33 -0300 | [diff] [blame] | 2154 | module_platform_driver(s5p_jpeg_driver); |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 2155 | |
| 2156 | MODULE_AUTHOR("Andrzej Pietrasiewicz <andrzej.p@samsung.com>"); |
Jacek Anaszewski | 80529ae | 2013-12-18 11:04:44 -0300 | [diff] [blame] | 2157 | MODULE_AUTHOR("Jacek Anaszewski <j.anaszewski@samsung.com>"); |
Andrzej Pietrasiewicz | bb677f3 | 2011-11-24 11:15:23 -0300 | [diff] [blame] | 2158 | MODULE_DESCRIPTION("Samsung JPEG codec driver"); |
| 2159 | MODULE_LICENSE("GPL"); |