| 1 | /* |
| 2 | * Samsung EXYNOS4x12 FIMC-IS (Imaging Subsystem) driver |
| 3 | * |
| 4 | * Copyright (C) 2013 Samsung Electronics Co., Ltd. |
| 5 | * |
| 6 | * Authors: Sylwester Nawrocki <s.nawrocki@samsung.com> |
| 7 | * Younghwan Joo <yhwan.joo@samsung.com> |
| 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 | #define pr_fmt(fmt) "%s:%d " fmt, __func__, __LINE__ |
| 14 | |
| 15 | #include <linux/device.h> |
| 16 | #include <linux/errno.h> |
| 17 | #include <linux/kernel.h> |
| 18 | #include <linux/list.h> |
| 19 | #include <linux/module.h> |
| 20 | #include <linux/platform_device.h> |
| 21 | #include <linux/printk.h> |
| 22 | #include <linux/pm_runtime.h> |
| 23 | #include <linux/slab.h> |
| 24 | #include <linux/types.h> |
| 25 | #include <media/v4l2-device.h> |
| 26 | |
| 27 | #include "media-dev.h" |
| 28 | #include "fimc-isp-video.h" |
| 29 | #include "fimc-is-command.h" |
| 30 | #include "fimc-is-param.h" |
| 31 | #include "fimc-is-regs.h" |
| 32 | #include "fimc-is.h" |
| 33 | |
| 34 | int fimc_isp_debug; |
| 35 | module_param_named(debug_isp, fimc_isp_debug, int, S_IRUGO | S_IWUSR); |
| 36 | |
| 37 | static const struct fimc_fmt fimc_isp_formats[FIMC_ISP_NUM_FORMATS] = { |
| 38 | { |
| 39 | .name = "RAW8 (GRBG)", |
| 40 | .fourcc = V4L2_PIX_FMT_SGRBG8, |
| 41 | .depth = { 8 }, |
| 42 | .color = FIMC_FMT_RAW8, |
| 43 | .memplanes = 1, |
| 44 | .mbus_code = MEDIA_BUS_FMT_SGRBG8_1X8, |
| 45 | }, { |
| 46 | .name = "RAW10 (GRBG)", |
| 47 | .fourcc = V4L2_PIX_FMT_SGRBG10, |
| 48 | .depth = { 10 }, |
| 49 | .color = FIMC_FMT_RAW10, |
| 50 | .memplanes = 1, |
| 51 | .mbus_code = MEDIA_BUS_FMT_SGRBG10_1X10, |
| 52 | }, { |
| 53 | .name = "RAW12 (GRBG)", |
| 54 | .fourcc = V4L2_PIX_FMT_SGRBG12, |
| 55 | .depth = { 12 }, |
| 56 | .color = FIMC_FMT_RAW12, |
| 57 | .memplanes = 1, |
| 58 | .mbus_code = MEDIA_BUS_FMT_SGRBG12_1X12, |
| 59 | }, |
| 60 | }; |
| 61 | |
| 62 | /** |
| 63 | * fimc_isp_find_format - lookup color format by fourcc or media bus code |
| 64 | * @pixelformat: fourcc to match, ignored if null |
| 65 | * @mbus_code: media bus code to match, ignored if null |
| 66 | * @index: index to the fimc_isp_formats array, ignored if negative |
| 67 | */ |
| 68 | const struct fimc_fmt *fimc_isp_find_format(const u32 *pixelformat, |
| 69 | const u32 *mbus_code, int index) |
| 70 | { |
| 71 | const struct fimc_fmt *fmt, *def_fmt = NULL; |
| 72 | unsigned int i; |
| 73 | int id = 0; |
| 74 | |
| 75 | if (index >= (int)ARRAY_SIZE(fimc_isp_formats)) |
| 76 | return NULL; |
| 77 | |
| 78 | for (i = 0; i < ARRAY_SIZE(fimc_isp_formats); ++i) { |
| 79 | fmt = &fimc_isp_formats[i]; |
| 80 | if (pixelformat && fmt->fourcc == *pixelformat) |
| 81 | return fmt; |
| 82 | if (mbus_code && fmt->mbus_code == *mbus_code) |
| 83 | return fmt; |
| 84 | if (index == id) |
| 85 | def_fmt = fmt; |
| 86 | id++; |
| 87 | } |
| 88 | return def_fmt; |
| 89 | } |
| 90 | |
| 91 | void fimc_isp_irq_handler(struct fimc_is *is) |
| 92 | { |
| 93 | is->i2h_cmd.args[0] = mcuctl_read(is, MCUCTL_REG_ISSR(20)); |
| 94 | is->i2h_cmd.args[1] = mcuctl_read(is, MCUCTL_REG_ISSR(21)); |
| 95 | |
| 96 | fimc_is_fw_clear_irq1(is, FIMC_IS_INT_FRAME_DONE_ISP); |
| 97 | fimc_isp_video_irq_handler(is); |
| 98 | |
| 99 | wake_up(&is->irq_queue); |
| 100 | } |
| 101 | |
| 102 | /* Capture subdev media entity operations */ |
| 103 | static int fimc_is_link_setup(struct media_entity *entity, |
| 104 | const struct media_pad *local, |
| 105 | const struct media_pad *remote, u32 flags) |
| 106 | { |
| 107 | return 0; |
| 108 | } |
| 109 | |
| 110 | static const struct media_entity_operations fimc_is_subdev_media_ops = { |
| 111 | .link_setup = fimc_is_link_setup, |
| 112 | }; |
| 113 | |
| 114 | static int fimc_is_subdev_enum_mbus_code(struct v4l2_subdev *sd, |
| 115 | struct v4l2_subdev_pad_config *cfg, |
| 116 | struct v4l2_subdev_mbus_code_enum *code) |
| 117 | { |
| 118 | const struct fimc_fmt *fmt; |
| 119 | |
| 120 | fmt = fimc_isp_find_format(NULL, NULL, code->index); |
| 121 | if (!fmt) |
| 122 | return -EINVAL; |
| 123 | code->code = fmt->mbus_code; |
| 124 | return 0; |
| 125 | } |
| 126 | |
| 127 | static int fimc_isp_subdev_get_fmt(struct v4l2_subdev *sd, |
| 128 | struct v4l2_subdev_pad_config *cfg, |
| 129 | struct v4l2_subdev_format *fmt) |
| 130 | { |
| 131 | struct fimc_isp *isp = v4l2_get_subdevdata(sd); |
| 132 | struct v4l2_mbus_framefmt *mf = &fmt->format; |
| 133 | |
| 134 | if (fmt->which == V4L2_SUBDEV_FORMAT_TRY) { |
| 135 | *mf = *v4l2_subdev_get_try_format(sd, cfg, fmt->pad); |
| 136 | return 0; |
| 137 | } |
| 138 | |
| 139 | mf->colorspace = V4L2_COLORSPACE_SRGB; |
| 140 | |
| 141 | mutex_lock(&isp->subdev_lock); |
| 142 | |
| 143 | if (fmt->pad == FIMC_ISP_SD_PAD_SINK) { |
| 144 | /* ISP OTF input image format */ |
| 145 | *mf = isp->sink_fmt; |
| 146 | } else { |
| 147 | /* ISP OTF output image format */ |
| 148 | *mf = isp->src_fmt; |
| 149 | |
| 150 | if (fmt->pad == FIMC_ISP_SD_PAD_SRC_FIFO) { |
| 151 | mf->colorspace = V4L2_COLORSPACE_JPEG; |
| 152 | mf->code = MEDIA_BUS_FMT_YUV10_1X30; |
| 153 | } |
| 154 | } |
| 155 | |
| 156 | mutex_unlock(&isp->subdev_lock); |
| 157 | |
| 158 | isp_dbg(1, sd, "%s: pad%d: fmt: 0x%x, %dx%d\n", __func__, |
| 159 | fmt->pad, mf->code, mf->width, mf->height); |
| 160 | |
| 161 | return 0; |
| 162 | } |
| 163 | |
| 164 | static void __isp_subdev_try_format(struct fimc_isp *isp, |
| 165 | struct v4l2_subdev_pad_config *cfg, |
| 166 | struct v4l2_subdev_format *fmt) |
| 167 | { |
| 168 | struct v4l2_mbus_framefmt *mf = &fmt->format; |
| 169 | struct v4l2_mbus_framefmt *format; |
| 170 | |
| 171 | mf->colorspace = V4L2_COLORSPACE_SRGB; |
| 172 | |
| 173 | if (fmt->pad == FIMC_ISP_SD_PAD_SINK) { |
| 174 | v4l_bound_align_image(&mf->width, FIMC_ISP_SINK_WIDTH_MIN, |
| 175 | FIMC_ISP_SINK_WIDTH_MAX, 0, |
| 176 | &mf->height, FIMC_ISP_SINK_HEIGHT_MIN, |
| 177 | FIMC_ISP_SINK_HEIGHT_MAX, 0, 0); |
| 178 | mf->code = MEDIA_BUS_FMT_SGRBG10_1X10; |
| 179 | } else { |
| 180 | if (fmt->which == V4L2_SUBDEV_FORMAT_TRY) |
| 181 | format = v4l2_subdev_get_try_format(&isp->subdev, cfg, |
| 182 | FIMC_ISP_SD_PAD_SINK); |
| 183 | else |
| 184 | format = &isp->sink_fmt; |
| 185 | |
| 186 | /* Allow changing format only on sink pad */ |
| 187 | mf->width = format->width - FIMC_ISP_CAC_MARGIN_WIDTH; |
| 188 | mf->height = format->height - FIMC_ISP_CAC_MARGIN_HEIGHT; |
| 189 | |
| 190 | if (fmt->pad == FIMC_ISP_SD_PAD_SRC_FIFO) { |
| 191 | mf->code = MEDIA_BUS_FMT_YUV10_1X30; |
| 192 | mf->colorspace = V4L2_COLORSPACE_JPEG; |
| 193 | } else { |
| 194 | mf->code = format->code; |
| 195 | } |
| 196 | } |
| 197 | } |
| 198 | |
| 199 | static int fimc_isp_subdev_set_fmt(struct v4l2_subdev *sd, |
| 200 | struct v4l2_subdev_pad_config *cfg, |
| 201 | struct v4l2_subdev_format *fmt) |
| 202 | { |
| 203 | struct fimc_isp *isp = v4l2_get_subdevdata(sd); |
| 204 | struct fimc_is *is = fimc_isp_to_is(isp); |
| 205 | struct v4l2_mbus_framefmt *mf = &fmt->format; |
| 206 | int ret = 0; |
| 207 | |
| 208 | isp_dbg(1, sd, "%s: pad%d: code: 0x%x, %dx%d\n", |
| 209 | __func__, fmt->pad, mf->code, mf->width, mf->height); |
| 210 | |
| 211 | mutex_lock(&isp->subdev_lock); |
| 212 | __isp_subdev_try_format(isp, cfg, fmt); |
| 213 | |
| 214 | if (fmt->which == V4L2_SUBDEV_FORMAT_TRY) { |
| 215 | mf = v4l2_subdev_get_try_format(sd, cfg, fmt->pad); |
| 216 | *mf = fmt->format; |
| 217 | |
| 218 | /* Propagate format to the source pads */ |
| 219 | if (fmt->pad == FIMC_ISP_SD_PAD_SINK) { |
| 220 | struct v4l2_subdev_format format = *fmt; |
| 221 | unsigned int pad; |
| 222 | |
| 223 | for (pad = FIMC_ISP_SD_PAD_SRC_FIFO; |
| 224 | pad < FIMC_ISP_SD_PADS_NUM; pad++) { |
| 225 | format.pad = pad; |
| 226 | __isp_subdev_try_format(isp, cfg, &format); |
| 227 | mf = v4l2_subdev_get_try_format(sd, cfg, pad); |
| 228 | *mf = format.format; |
| 229 | } |
| 230 | } |
| 231 | } else { |
| 232 | if (sd->entity.stream_count == 0) { |
| 233 | if (fmt->pad == FIMC_ISP_SD_PAD_SINK) { |
| 234 | struct v4l2_subdev_format format = *fmt; |
| 235 | |
| 236 | isp->sink_fmt = *mf; |
| 237 | |
| 238 | format.pad = FIMC_ISP_SD_PAD_SRC_DMA; |
| 239 | __isp_subdev_try_format(isp, cfg, &format); |
| 240 | |
| 241 | isp->src_fmt = format.format; |
| 242 | __is_set_frame_size(is, &isp->src_fmt); |
| 243 | } else { |
| 244 | isp->src_fmt = *mf; |
| 245 | } |
| 246 | } else { |
| 247 | ret = -EBUSY; |
| 248 | } |
| 249 | } |
| 250 | |
| 251 | mutex_unlock(&isp->subdev_lock); |
| 252 | return ret; |
| 253 | } |
| 254 | |
| 255 | static int fimc_isp_subdev_s_stream(struct v4l2_subdev *sd, int on) |
| 256 | { |
| 257 | struct fimc_isp *isp = v4l2_get_subdevdata(sd); |
| 258 | struct fimc_is *is = fimc_isp_to_is(isp); |
| 259 | int ret; |
| 260 | |
| 261 | isp_dbg(1, sd, "%s: on: %d\n", __func__, on); |
| 262 | |
| 263 | if (!test_bit(IS_ST_INIT_DONE, &is->state)) |
| 264 | return -EBUSY; |
| 265 | |
| 266 | fimc_is_mem_barrier(); |
| 267 | |
| 268 | if (on) { |
| 269 | if (__get_pending_param_count(is)) { |
| 270 | ret = fimc_is_itf_s_param(is, true); |
| 271 | if (ret < 0) |
| 272 | return ret; |
| 273 | } |
| 274 | |
| 275 | isp_dbg(1, sd, "changing mode to %d\n", is->config_index); |
| 276 | |
| 277 | ret = fimc_is_itf_mode_change(is); |
| 278 | if (ret) |
| 279 | return -EINVAL; |
| 280 | |
| 281 | clear_bit(IS_ST_STREAM_ON, &is->state); |
| 282 | fimc_is_hw_stream_on(is); |
| 283 | ret = fimc_is_wait_event(is, IS_ST_STREAM_ON, 1, |
| 284 | FIMC_IS_CONFIG_TIMEOUT); |
| 285 | if (ret < 0) { |
| 286 | v4l2_err(sd, "stream on timeout\n"); |
| 287 | return ret; |
| 288 | } |
| 289 | } else { |
| 290 | clear_bit(IS_ST_STREAM_OFF, &is->state); |
| 291 | fimc_is_hw_stream_off(is); |
| 292 | ret = fimc_is_wait_event(is, IS_ST_STREAM_OFF, 1, |
| 293 | FIMC_IS_CONFIG_TIMEOUT); |
| 294 | if (ret < 0) { |
| 295 | v4l2_err(sd, "stream off timeout\n"); |
| 296 | return ret; |
| 297 | } |
| 298 | is->setfile.sub_index = 0; |
| 299 | } |
| 300 | |
| 301 | return 0; |
| 302 | } |
| 303 | |
| 304 | static int fimc_isp_subdev_s_power(struct v4l2_subdev *sd, int on) |
| 305 | { |
| 306 | struct fimc_isp *isp = v4l2_get_subdevdata(sd); |
| 307 | struct fimc_is *is = fimc_isp_to_is(isp); |
| 308 | int ret = 0; |
| 309 | |
| 310 | pr_debug("on: %d\n", on); |
| 311 | |
| 312 | if (on) { |
| 313 | ret = pm_runtime_get_sync(&is->pdev->dev); |
| 314 | if (ret < 0) |
| 315 | return ret; |
| 316 | set_bit(IS_ST_PWR_ON, &is->state); |
| 317 | |
| 318 | ret = fimc_is_start_firmware(is); |
| 319 | if (ret < 0) { |
| 320 | v4l2_err(sd, "firmware booting failed\n"); |
| 321 | pm_runtime_put(&is->pdev->dev); |
| 322 | return ret; |
| 323 | } |
| 324 | set_bit(IS_ST_PWR_SUBIP_ON, &is->state); |
| 325 | |
| 326 | ret = fimc_is_hw_initialize(is); |
| 327 | } else { |
| 328 | /* Close sensor */ |
| 329 | if (!test_bit(IS_ST_PWR_ON, &is->state)) { |
| 330 | fimc_is_hw_close_sensor(is, 0); |
| 331 | |
| 332 | ret = fimc_is_wait_event(is, IS_ST_OPEN_SENSOR, 0, |
| 333 | FIMC_IS_CONFIG_TIMEOUT); |
| 334 | if (ret < 0) { |
| 335 | v4l2_err(sd, "sensor close timeout\n"); |
| 336 | return ret; |
| 337 | } |
| 338 | } |
| 339 | |
| 340 | /* SUB IP power off */ |
| 341 | if (test_bit(IS_ST_PWR_SUBIP_ON, &is->state)) { |
| 342 | fimc_is_hw_subip_power_off(is); |
| 343 | ret = fimc_is_wait_event(is, IS_ST_PWR_SUBIP_ON, 0, |
| 344 | FIMC_IS_CONFIG_TIMEOUT); |
| 345 | if (ret < 0) { |
| 346 | v4l2_err(sd, "sub-IP power off timeout\n"); |
| 347 | return ret; |
| 348 | } |
| 349 | } |
| 350 | |
| 351 | fimc_is_cpu_set_power(is, 0); |
| 352 | pm_runtime_put_sync(&is->pdev->dev); |
| 353 | |
| 354 | clear_bit(IS_ST_PWR_ON, &is->state); |
| 355 | clear_bit(IS_ST_INIT_DONE, &is->state); |
| 356 | is->state = 0; |
| 357 | is->config[is->config_index].p_region_index[0] = 0; |
| 358 | is->config[is->config_index].p_region_index[1] = 0; |
| 359 | set_bit(IS_ST_IDLE, &is->state); |
| 360 | wmb(); |
| 361 | } |
| 362 | |
| 363 | return ret; |
| 364 | } |
| 365 | |
| 366 | static int fimc_isp_subdev_open(struct v4l2_subdev *sd, |
| 367 | struct v4l2_subdev_fh *fh) |
| 368 | { |
| 369 | struct v4l2_mbus_framefmt fmt; |
| 370 | struct v4l2_mbus_framefmt *format; |
| 371 | |
| 372 | format = v4l2_subdev_get_try_format(sd, fh->pad, FIMC_ISP_SD_PAD_SINK); |
| 373 | |
| 374 | fmt.colorspace = V4L2_COLORSPACE_SRGB; |
| 375 | fmt.code = fimc_isp_formats[0].mbus_code; |
| 376 | fmt.width = DEFAULT_PREVIEW_STILL_WIDTH + FIMC_ISP_CAC_MARGIN_WIDTH; |
| 377 | fmt.height = DEFAULT_PREVIEW_STILL_HEIGHT + FIMC_ISP_CAC_MARGIN_HEIGHT; |
| 378 | fmt.field = V4L2_FIELD_NONE; |
| 379 | *format = fmt; |
| 380 | |
| 381 | format = v4l2_subdev_get_try_format(sd, fh->pad, FIMC_ISP_SD_PAD_SRC_FIFO); |
| 382 | fmt.width = DEFAULT_PREVIEW_STILL_WIDTH; |
| 383 | fmt.height = DEFAULT_PREVIEW_STILL_HEIGHT; |
| 384 | *format = fmt; |
| 385 | |
| 386 | format = v4l2_subdev_get_try_format(sd, fh->pad, FIMC_ISP_SD_PAD_SRC_DMA); |
| 387 | *format = fmt; |
| 388 | |
| 389 | return 0; |
| 390 | } |
| 391 | |
| 392 | static int fimc_isp_subdev_registered(struct v4l2_subdev *sd) |
| 393 | { |
| 394 | struct fimc_isp *isp = v4l2_get_subdevdata(sd); |
| 395 | int ret; |
| 396 | |
| 397 | /* Use pipeline object allocated by the media device. */ |
| 398 | isp->video_capture.ve.pipe = v4l2_get_subdev_hostdata(sd); |
| 399 | |
| 400 | ret = fimc_isp_video_device_register(isp, sd->v4l2_dev, |
| 401 | V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE); |
| 402 | if (ret < 0) |
| 403 | isp->video_capture.ve.pipe = NULL; |
| 404 | |
| 405 | return ret; |
| 406 | } |
| 407 | |
| 408 | static void fimc_isp_subdev_unregistered(struct v4l2_subdev *sd) |
| 409 | { |
| 410 | struct fimc_isp *isp = v4l2_get_subdevdata(sd); |
| 411 | |
| 412 | fimc_isp_video_device_unregister(isp, |
| 413 | V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE); |
| 414 | } |
| 415 | |
| 416 | static const struct v4l2_subdev_internal_ops fimc_is_subdev_internal_ops = { |
| 417 | .registered = fimc_isp_subdev_registered, |
| 418 | .unregistered = fimc_isp_subdev_unregistered, |
| 419 | .open = fimc_isp_subdev_open, |
| 420 | }; |
| 421 | |
| 422 | static const struct v4l2_subdev_pad_ops fimc_is_subdev_pad_ops = { |
| 423 | .enum_mbus_code = fimc_is_subdev_enum_mbus_code, |
| 424 | .get_fmt = fimc_isp_subdev_get_fmt, |
| 425 | .set_fmt = fimc_isp_subdev_set_fmt, |
| 426 | }; |
| 427 | |
| 428 | static const struct v4l2_subdev_video_ops fimc_is_subdev_video_ops = { |
| 429 | .s_stream = fimc_isp_subdev_s_stream, |
| 430 | }; |
| 431 | |
| 432 | static const struct v4l2_subdev_core_ops fimc_is_core_ops = { |
| 433 | .s_power = fimc_isp_subdev_s_power, |
| 434 | }; |
| 435 | |
| 436 | static struct v4l2_subdev_ops fimc_is_subdev_ops = { |
| 437 | .core = &fimc_is_core_ops, |
| 438 | .video = &fimc_is_subdev_video_ops, |
| 439 | .pad = &fimc_is_subdev_pad_ops, |
| 440 | }; |
| 441 | |
| 442 | static int __ctrl_set_white_balance(struct fimc_is *is, int value) |
| 443 | { |
| 444 | switch (value) { |
| 445 | case V4L2_WHITE_BALANCE_AUTO: |
| 446 | __is_set_isp_awb(is, ISP_AWB_COMMAND_AUTO, 0); |
| 447 | break; |
| 448 | case V4L2_WHITE_BALANCE_DAYLIGHT: |
| 449 | __is_set_isp_awb(is, ISP_AWB_COMMAND_ILLUMINATION, |
| 450 | ISP_AWB_ILLUMINATION_DAYLIGHT); |
| 451 | break; |
| 452 | case V4L2_WHITE_BALANCE_CLOUDY: |
| 453 | __is_set_isp_awb(is, ISP_AWB_COMMAND_ILLUMINATION, |
| 454 | ISP_AWB_ILLUMINATION_CLOUDY); |
| 455 | break; |
| 456 | case V4L2_WHITE_BALANCE_INCANDESCENT: |
| 457 | __is_set_isp_awb(is, ISP_AWB_COMMAND_ILLUMINATION, |
| 458 | ISP_AWB_ILLUMINATION_TUNGSTEN); |
| 459 | break; |
| 460 | case V4L2_WHITE_BALANCE_FLUORESCENT: |
| 461 | __is_set_isp_awb(is, ISP_AWB_COMMAND_ILLUMINATION, |
| 462 | ISP_AWB_ILLUMINATION_FLUORESCENT); |
| 463 | break; |
| 464 | default: |
| 465 | return -EINVAL; |
| 466 | } |
| 467 | |
| 468 | return 0; |
| 469 | } |
| 470 | |
| 471 | static int __ctrl_set_aewb_lock(struct fimc_is *is, |
| 472 | struct v4l2_ctrl *ctrl) |
| 473 | { |
| 474 | bool awb_lock = ctrl->val & V4L2_LOCK_WHITE_BALANCE; |
| 475 | bool ae_lock = ctrl->val & V4L2_LOCK_EXPOSURE; |
| 476 | struct isp_param *isp = &is->is_p_region->parameter.isp; |
| 477 | int cmd, ret; |
| 478 | |
| 479 | cmd = ae_lock ? ISP_AA_COMMAND_STOP : ISP_AA_COMMAND_START; |
| 480 | isp->aa.cmd = cmd; |
| 481 | isp->aa.target = ISP_AA_TARGET_AE; |
| 482 | fimc_is_set_param_bit(is, PARAM_ISP_AA); |
| 483 | is->af.ae_lock_state = ae_lock; |
| 484 | wmb(); |
| 485 | |
| 486 | ret = fimc_is_itf_s_param(is, false); |
| 487 | if (ret < 0) |
| 488 | return ret; |
| 489 | |
| 490 | cmd = awb_lock ? ISP_AA_COMMAND_STOP : ISP_AA_COMMAND_START; |
| 491 | isp->aa.cmd = cmd; |
| 492 | isp->aa.target = ISP_AA_TARGET_AE; |
| 493 | fimc_is_set_param_bit(is, PARAM_ISP_AA); |
| 494 | is->af.awb_lock_state = awb_lock; |
| 495 | wmb(); |
| 496 | |
| 497 | return fimc_is_itf_s_param(is, false); |
| 498 | } |
| 499 | |
| 500 | /* Supported manual ISO values */ |
| 501 | static const s64 iso_qmenu[] = { |
| 502 | 50, 100, 200, 400, 800, |
| 503 | }; |
| 504 | |
| 505 | static int __ctrl_set_iso(struct fimc_is *is, int value) |
| 506 | { |
| 507 | unsigned int idx, iso; |
| 508 | |
| 509 | if (value == V4L2_ISO_SENSITIVITY_AUTO) { |
| 510 | __is_set_isp_iso(is, ISP_ISO_COMMAND_AUTO, 0); |
| 511 | return 0; |
| 512 | } |
| 513 | idx = is->isp.ctrls.iso->val; |
| 514 | if (idx >= ARRAY_SIZE(iso_qmenu)) |
| 515 | return -EINVAL; |
| 516 | |
| 517 | iso = iso_qmenu[idx]; |
| 518 | __is_set_isp_iso(is, ISP_ISO_COMMAND_MANUAL, iso); |
| 519 | return 0; |
| 520 | } |
| 521 | |
| 522 | static int __ctrl_set_metering(struct fimc_is *is, unsigned int value) |
| 523 | { |
| 524 | unsigned int val; |
| 525 | |
| 526 | switch (value) { |
| 527 | case V4L2_EXPOSURE_METERING_AVERAGE: |
| 528 | val = ISP_METERING_COMMAND_AVERAGE; |
| 529 | break; |
| 530 | case V4L2_EXPOSURE_METERING_CENTER_WEIGHTED: |
| 531 | val = ISP_METERING_COMMAND_CENTER; |
| 532 | break; |
| 533 | case V4L2_EXPOSURE_METERING_SPOT: |
| 534 | val = ISP_METERING_COMMAND_SPOT; |
| 535 | break; |
| 536 | case V4L2_EXPOSURE_METERING_MATRIX: |
| 537 | val = ISP_METERING_COMMAND_MATRIX; |
| 538 | break; |
| 539 | default: |
| 540 | return -EINVAL; |
| 541 | } |
| 542 | |
| 543 | __is_set_isp_metering(is, IS_METERING_CONFIG_CMD, val); |
| 544 | return 0; |
| 545 | } |
| 546 | |
| 547 | static int __ctrl_set_afc(struct fimc_is *is, int value) |
| 548 | { |
| 549 | switch (value) { |
| 550 | case V4L2_CID_POWER_LINE_FREQUENCY_DISABLED: |
| 551 | __is_set_isp_afc(is, ISP_AFC_COMMAND_DISABLE, 0); |
| 552 | break; |
| 553 | case V4L2_CID_POWER_LINE_FREQUENCY_50HZ: |
| 554 | __is_set_isp_afc(is, ISP_AFC_COMMAND_MANUAL, 50); |
| 555 | break; |
| 556 | case V4L2_CID_POWER_LINE_FREQUENCY_60HZ: |
| 557 | __is_set_isp_afc(is, ISP_AFC_COMMAND_MANUAL, 60); |
| 558 | break; |
| 559 | case V4L2_CID_POWER_LINE_FREQUENCY_AUTO: |
| 560 | __is_set_isp_afc(is, ISP_AFC_COMMAND_AUTO, 0); |
| 561 | break; |
| 562 | default: |
| 563 | return -EINVAL; |
| 564 | } |
| 565 | |
| 566 | return 0; |
| 567 | } |
| 568 | |
| 569 | static int __ctrl_set_image_effect(struct fimc_is *is, int value) |
| 570 | { |
| 571 | static const u8 effects[][2] = { |
| 572 | { V4L2_COLORFX_NONE, ISP_IMAGE_EFFECT_DISABLE }, |
| 573 | { V4L2_COLORFX_BW, ISP_IMAGE_EFFECT_MONOCHROME }, |
| 574 | { V4L2_COLORFX_SEPIA, ISP_IMAGE_EFFECT_SEPIA }, |
| 575 | { V4L2_COLORFX_NEGATIVE, ISP_IMAGE_EFFECT_NEGATIVE_MONO }, |
| 576 | { 16 /* TODO */, ISP_IMAGE_EFFECT_NEGATIVE_COLOR }, |
| 577 | }; |
| 578 | int i; |
| 579 | |
| 580 | for (i = 0; i < ARRAY_SIZE(effects); i++) { |
| 581 | if (effects[i][0] != value) |
| 582 | continue; |
| 583 | |
| 584 | __is_set_isp_effect(is, effects[i][1]); |
| 585 | return 0; |
| 586 | } |
| 587 | |
| 588 | return -EINVAL; |
| 589 | } |
| 590 | |
| 591 | static int fimc_is_s_ctrl(struct v4l2_ctrl *ctrl) |
| 592 | { |
| 593 | struct fimc_isp *isp = ctrl_to_fimc_isp(ctrl); |
| 594 | struct fimc_is *is = fimc_isp_to_is(isp); |
| 595 | bool set_param = true; |
| 596 | int ret = 0; |
| 597 | |
| 598 | switch (ctrl->id) { |
| 599 | case V4L2_CID_CONTRAST: |
| 600 | __is_set_isp_adjust(is, ISP_ADJUST_COMMAND_MANUAL_CONTRAST, |
| 601 | ctrl->val); |
| 602 | break; |
| 603 | |
| 604 | case V4L2_CID_SATURATION: |
| 605 | __is_set_isp_adjust(is, ISP_ADJUST_COMMAND_MANUAL_SATURATION, |
| 606 | ctrl->val); |
| 607 | break; |
| 608 | |
| 609 | case V4L2_CID_SHARPNESS: |
| 610 | __is_set_isp_adjust(is, ISP_ADJUST_COMMAND_MANUAL_SHARPNESS, |
| 611 | ctrl->val); |
| 612 | break; |
| 613 | |
| 614 | case V4L2_CID_EXPOSURE_ABSOLUTE: |
| 615 | __is_set_isp_adjust(is, ISP_ADJUST_COMMAND_MANUAL_EXPOSURE, |
| 616 | ctrl->val); |
| 617 | break; |
| 618 | |
| 619 | case V4L2_CID_BRIGHTNESS: |
| 620 | __is_set_isp_adjust(is, ISP_ADJUST_COMMAND_MANUAL_BRIGHTNESS, |
| 621 | ctrl->val); |
| 622 | break; |
| 623 | |
| 624 | case V4L2_CID_HUE: |
| 625 | __is_set_isp_adjust(is, ISP_ADJUST_COMMAND_MANUAL_HUE, |
| 626 | ctrl->val); |
| 627 | break; |
| 628 | |
| 629 | case V4L2_CID_EXPOSURE_METERING: |
| 630 | ret = __ctrl_set_metering(is, ctrl->val); |
| 631 | break; |
| 632 | |
| 633 | case V4L2_CID_AUTO_N_PRESET_WHITE_BALANCE: |
| 634 | ret = __ctrl_set_white_balance(is, ctrl->val); |
| 635 | break; |
| 636 | |
| 637 | case V4L2_CID_3A_LOCK: |
| 638 | ret = __ctrl_set_aewb_lock(is, ctrl); |
| 639 | set_param = false; |
| 640 | break; |
| 641 | |
| 642 | case V4L2_CID_ISO_SENSITIVITY_AUTO: |
| 643 | ret = __ctrl_set_iso(is, ctrl->val); |
| 644 | break; |
| 645 | |
| 646 | case V4L2_CID_POWER_LINE_FREQUENCY: |
| 647 | ret = __ctrl_set_afc(is, ctrl->val); |
| 648 | break; |
| 649 | |
| 650 | case V4L2_CID_COLORFX: |
| 651 | __ctrl_set_image_effect(is, ctrl->val); |
| 652 | break; |
| 653 | |
| 654 | default: |
| 655 | ret = -EINVAL; |
| 656 | break; |
| 657 | } |
| 658 | |
| 659 | if (ret < 0) { |
| 660 | v4l2_err(&isp->subdev, "Failed to set control: %s (%d)\n", |
| 661 | ctrl->name, ctrl->val); |
| 662 | return ret; |
| 663 | } |
| 664 | |
| 665 | if (set_param && test_bit(IS_ST_STREAM_ON, &is->state)) |
| 666 | return fimc_is_itf_s_param(is, true); |
| 667 | |
| 668 | return 0; |
| 669 | } |
| 670 | |
| 671 | static const struct v4l2_ctrl_ops fimc_isp_ctrl_ops = { |
| 672 | .s_ctrl = fimc_is_s_ctrl, |
| 673 | }; |
| 674 | |
| 675 | static void __isp_subdev_set_default_format(struct fimc_isp *isp) |
| 676 | { |
| 677 | struct fimc_is *is = fimc_isp_to_is(isp); |
| 678 | |
| 679 | isp->sink_fmt.width = DEFAULT_PREVIEW_STILL_WIDTH + |
| 680 | FIMC_ISP_CAC_MARGIN_WIDTH; |
| 681 | isp->sink_fmt.height = DEFAULT_PREVIEW_STILL_HEIGHT + |
| 682 | FIMC_ISP_CAC_MARGIN_HEIGHT; |
| 683 | isp->sink_fmt.code = MEDIA_BUS_FMT_SGRBG10_1X10; |
| 684 | |
| 685 | isp->src_fmt.width = DEFAULT_PREVIEW_STILL_WIDTH; |
| 686 | isp->src_fmt.height = DEFAULT_PREVIEW_STILL_HEIGHT; |
| 687 | isp->src_fmt.code = MEDIA_BUS_FMT_SGRBG10_1X10; |
| 688 | __is_set_frame_size(is, &isp->src_fmt); |
| 689 | } |
| 690 | |
| 691 | int fimc_isp_subdev_create(struct fimc_isp *isp) |
| 692 | { |
| 693 | const struct v4l2_ctrl_ops *ops = &fimc_isp_ctrl_ops; |
| 694 | struct v4l2_ctrl_handler *handler = &isp->ctrls.handler; |
| 695 | struct v4l2_subdev *sd = &isp->subdev; |
| 696 | struct fimc_isp_ctrls *ctrls = &isp->ctrls; |
| 697 | int ret; |
| 698 | |
| 699 | mutex_init(&isp->subdev_lock); |
| 700 | |
| 701 | v4l2_subdev_init(sd, &fimc_is_subdev_ops); |
| 702 | |
| 703 | sd->owner = THIS_MODULE; |
| 704 | sd->grp_id = GRP_ID_FIMC_IS; |
| 705 | sd->flags |= V4L2_SUBDEV_FL_HAS_DEVNODE; |
| 706 | snprintf(sd->name, sizeof(sd->name), "FIMC-IS-ISP"); |
| 707 | |
| 708 | isp->subdev_pads[FIMC_ISP_SD_PAD_SINK].flags = MEDIA_PAD_FL_SINK; |
| 709 | isp->subdev_pads[FIMC_ISP_SD_PAD_SRC_FIFO].flags = MEDIA_PAD_FL_SOURCE; |
| 710 | isp->subdev_pads[FIMC_ISP_SD_PAD_SRC_DMA].flags = MEDIA_PAD_FL_SOURCE; |
| 711 | ret = media_entity_pads_init(&sd->entity, FIMC_ISP_SD_PADS_NUM, |
| 712 | isp->subdev_pads); |
| 713 | if (ret) |
| 714 | return ret; |
| 715 | |
| 716 | v4l2_ctrl_handler_init(handler, 20); |
| 717 | |
| 718 | ctrls->saturation = v4l2_ctrl_new_std(handler, ops, V4L2_CID_SATURATION, |
| 719 | -2, 2, 1, 0); |
| 720 | ctrls->brightness = v4l2_ctrl_new_std(handler, ops, V4L2_CID_BRIGHTNESS, |
| 721 | -4, 4, 1, 0); |
| 722 | ctrls->contrast = v4l2_ctrl_new_std(handler, ops, V4L2_CID_CONTRAST, |
| 723 | -2, 2, 1, 0); |
| 724 | ctrls->sharpness = v4l2_ctrl_new_std(handler, ops, V4L2_CID_SHARPNESS, |
| 725 | -2, 2, 1, 0); |
| 726 | ctrls->hue = v4l2_ctrl_new_std(handler, ops, V4L2_CID_HUE, |
| 727 | -2, 2, 1, 0); |
| 728 | |
| 729 | ctrls->auto_wb = v4l2_ctrl_new_std_menu(handler, ops, |
| 730 | V4L2_CID_AUTO_N_PRESET_WHITE_BALANCE, |
| 731 | 8, ~0x14e, V4L2_WHITE_BALANCE_AUTO); |
| 732 | |
| 733 | ctrls->exposure = v4l2_ctrl_new_std(handler, ops, |
| 734 | V4L2_CID_EXPOSURE_ABSOLUTE, |
| 735 | -4, 4, 1, 0); |
| 736 | |
| 737 | ctrls->exp_metering = v4l2_ctrl_new_std_menu(handler, ops, |
| 738 | V4L2_CID_EXPOSURE_METERING, 3, |
| 739 | ~0xf, V4L2_EXPOSURE_METERING_AVERAGE); |
| 740 | |
| 741 | v4l2_ctrl_new_std_menu(handler, ops, V4L2_CID_POWER_LINE_FREQUENCY, |
| 742 | V4L2_CID_POWER_LINE_FREQUENCY_AUTO, 0, |
| 743 | V4L2_CID_POWER_LINE_FREQUENCY_AUTO); |
| 744 | /* ISO sensitivity */ |
| 745 | ctrls->auto_iso = v4l2_ctrl_new_std_menu(handler, ops, |
| 746 | V4L2_CID_ISO_SENSITIVITY_AUTO, 1, 0, |
| 747 | V4L2_ISO_SENSITIVITY_AUTO); |
| 748 | |
| 749 | ctrls->iso = v4l2_ctrl_new_int_menu(handler, ops, |
| 750 | V4L2_CID_ISO_SENSITIVITY, ARRAY_SIZE(iso_qmenu) - 1, |
| 751 | ARRAY_SIZE(iso_qmenu)/2 - 1, iso_qmenu); |
| 752 | |
| 753 | ctrls->aewb_lock = v4l2_ctrl_new_std(handler, ops, |
| 754 | V4L2_CID_3A_LOCK, 0, 0x3, 0, 0); |
| 755 | |
| 756 | /* TODO: Add support for NEGATIVE_COLOR option */ |
| 757 | ctrls->colorfx = v4l2_ctrl_new_std_menu(handler, ops, V4L2_CID_COLORFX, |
| 758 | V4L2_COLORFX_SET_CBCR + 1, ~0x1000f, V4L2_COLORFX_NONE); |
| 759 | |
| 760 | if (handler->error) { |
| 761 | media_entity_cleanup(&sd->entity); |
| 762 | return handler->error; |
| 763 | } |
| 764 | |
| 765 | v4l2_ctrl_auto_cluster(2, &ctrls->auto_iso, |
| 766 | V4L2_ISO_SENSITIVITY_MANUAL, false); |
| 767 | |
| 768 | sd->ctrl_handler = handler; |
| 769 | sd->internal_ops = &fimc_is_subdev_internal_ops; |
| 770 | sd->entity.ops = &fimc_is_subdev_media_ops; |
| 771 | v4l2_set_subdevdata(sd, isp); |
| 772 | |
| 773 | __isp_subdev_set_default_format(isp); |
| 774 | |
| 775 | return 0; |
| 776 | } |
| 777 | |
| 778 | void fimc_isp_subdev_destroy(struct fimc_isp *isp) |
| 779 | { |
| 780 | struct v4l2_subdev *sd = &isp->subdev; |
| 781 | |
| 782 | v4l2_device_unregister_subdev(sd); |
| 783 | media_entity_cleanup(&sd->entity); |
| 784 | v4l2_ctrl_handler_free(&isp->ctrls.handler); |
| 785 | v4l2_set_subdevdata(sd, NULL); |
| 786 | } |