1 // SPDX-License-Identifier: GPL-2.0 2 /* 3 * Support for Medifield PNW Camera Imaging ISP subsystem. 4 * 5 * Copyright (c) 2010 Intel Corporation. All Rights Reserved. 6 * 7 * This program is free software; you can redistribute it and/or 8 * modify it under the terms of the GNU General Public License version 9 * 2 as published by the Free Software Foundation. 10 * 11 * This program is distributed in the hope that it will be useful, 12 * but WITHOUT ANY WARRANTY; without even the implied warranty of 13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 14 * GNU General Public License for more details. 15 * 16 * 17 */ 18 #include <linux/module.h> 19 #include <linux/uaccess.h> 20 #include <linux/delay.h> 21 #include <linux/device.h> 22 #include <linux/mm.h> 23 #include <linux/sched.h> 24 #include <linux/slab.h> 25 26 #include <media/v4l2-event.h> 27 #include <media/v4l2-mediabus.h> 28 #include "atomisp_cmd.h" 29 #include "atomisp_common.h" 30 #include "atomisp_compat.h" 31 #include "atomisp_internal.h" 32 33 const struct atomisp_in_fmt_conv atomisp_in_fmt_conv[] = { 34 { MEDIA_BUS_FMT_SBGGR8_1X8, 8, 8, ATOMISP_INPUT_FORMAT_RAW_8, IA_CSS_BAYER_ORDER_BGGR }, 35 { MEDIA_BUS_FMT_SGBRG8_1X8, 8, 8, ATOMISP_INPUT_FORMAT_RAW_8, IA_CSS_BAYER_ORDER_GBRG }, 36 { MEDIA_BUS_FMT_SGRBG8_1X8, 8, 8, ATOMISP_INPUT_FORMAT_RAW_8, IA_CSS_BAYER_ORDER_GRBG }, 37 { MEDIA_BUS_FMT_SRGGB8_1X8, 8, 8, ATOMISP_INPUT_FORMAT_RAW_8, IA_CSS_BAYER_ORDER_RGGB }, 38 { MEDIA_BUS_FMT_SBGGR10_1X10, 10, 10, ATOMISP_INPUT_FORMAT_RAW_10, IA_CSS_BAYER_ORDER_BGGR }, 39 { MEDIA_BUS_FMT_SGBRG10_1X10, 10, 10, ATOMISP_INPUT_FORMAT_RAW_10, IA_CSS_BAYER_ORDER_GBRG }, 40 { MEDIA_BUS_FMT_SGRBG10_1X10, 10, 10, ATOMISP_INPUT_FORMAT_RAW_10, IA_CSS_BAYER_ORDER_GRBG }, 41 { MEDIA_BUS_FMT_SRGGB10_1X10, 10, 10, ATOMISP_INPUT_FORMAT_RAW_10, IA_CSS_BAYER_ORDER_RGGB }, 42 { MEDIA_BUS_FMT_SBGGR12_1X12, 12, 12, ATOMISP_INPUT_FORMAT_RAW_12, IA_CSS_BAYER_ORDER_BGGR }, 43 { MEDIA_BUS_FMT_SGBRG12_1X12, 12, 12, ATOMISP_INPUT_FORMAT_RAW_12, IA_CSS_BAYER_ORDER_GBRG }, 44 { MEDIA_BUS_FMT_SGRBG12_1X12, 12, 12, ATOMISP_INPUT_FORMAT_RAW_12, IA_CSS_BAYER_ORDER_GRBG }, 45 { MEDIA_BUS_FMT_SRGGB12_1X12, 12, 12, ATOMISP_INPUT_FORMAT_RAW_12, IA_CSS_BAYER_ORDER_RGGB }, 46 { MEDIA_BUS_FMT_UYVY8_1X16, 8, 8, ATOMISP_INPUT_FORMAT_YUV422_8, 0 }, 47 { MEDIA_BUS_FMT_YUYV8_1X16, 8, 8, ATOMISP_INPUT_FORMAT_YUV422_8, 0 }, 48 #if 0 // disabled due to clang warnings 49 { MEDIA_BUS_FMT_JPEG_1X8, 8, 8, IA_CSS_FRAME_FORMAT_BINARY_8, 0 }, 50 { V4L2_MBUS_FMT_CUSTOM_NV12, 12, 12, IA_CSS_FRAME_FORMAT_NV12, 0 }, 51 { V4L2_MBUS_FMT_CUSTOM_NV21, 12, 12, IA_CSS_FRAME_FORMAT_NV21, 0 }, 52 #endif 53 { V4L2_MBUS_FMT_CUSTOM_YUV420, 12, 12, ATOMISP_INPUT_FORMAT_YUV420_8_LEGACY, 0 }, 54 #if 0 55 { V4L2_MBUS_FMT_CUSTOM_M10MO_RAW, 8, 8, IA_CSS_FRAME_FORMAT_BINARY_8, 0 }, 56 #endif 57 /* no valid V4L2 MBUS code for metadata format, so leave it 0. */ 58 { 0, 0, 0, ATOMISP_INPUT_FORMAT_EMBEDDED, 0 }, 59 {} 60 }; 61 62 static const struct { 63 u32 code; 64 u32 compressed; 65 } compressed_codes[] = { 66 { MEDIA_BUS_FMT_SBGGR10_1X10, MEDIA_BUS_FMT_SBGGR10_DPCM8_1X8 }, 67 { MEDIA_BUS_FMT_SGBRG10_1X10, MEDIA_BUS_FMT_SGBRG10_DPCM8_1X8 }, 68 { MEDIA_BUS_FMT_SGRBG10_1X10, MEDIA_BUS_FMT_SGRBG10_DPCM8_1X8 }, 69 { MEDIA_BUS_FMT_SRGGB10_1X10, MEDIA_BUS_FMT_SRGGB10_DPCM8_1X8 }, 70 }; 71 72 u32 atomisp_subdev_uncompressed_code(u32 code) 73 { 74 unsigned int i; 75 76 for (i = 0; i < ARRAY_SIZE(compressed_codes); i++) 77 if (code == compressed_codes[i].compressed) 78 return compressed_codes[i].code; 79 80 return code; 81 } 82 83 bool atomisp_subdev_is_compressed(u32 code) 84 { 85 int i; 86 87 for (i = 0; i < ARRAY_SIZE(atomisp_in_fmt_conv) - 1; i++) 88 if (code == atomisp_in_fmt_conv[i].code) 89 return atomisp_in_fmt_conv[i].bpp != 90 atomisp_in_fmt_conv[i].depth; 91 92 return false; 93 } 94 95 const struct atomisp_in_fmt_conv *atomisp_find_in_fmt_conv(u32 code) 96 { 97 int i; 98 99 for (i = 0; i < ARRAY_SIZE(atomisp_in_fmt_conv) - 1; i++) 100 if (code == atomisp_in_fmt_conv[i].code) 101 return atomisp_in_fmt_conv + i; 102 103 return NULL; 104 } 105 106 const struct atomisp_in_fmt_conv *atomisp_find_in_fmt_conv_by_atomisp_in_fmt( 107 enum atomisp_input_format atomisp_in_fmt) 108 { 109 int i; 110 111 for (i = 0; i < ARRAY_SIZE(atomisp_in_fmt_conv) - 1; i++) 112 if (atomisp_in_fmt_conv[i].atomisp_in_fmt == atomisp_in_fmt) 113 return atomisp_in_fmt_conv + i; 114 115 return NULL; 116 } 117 118 bool atomisp_subdev_format_conversion(struct atomisp_sub_device *asd, 119 unsigned int source_pad) 120 { 121 struct v4l2_mbus_framefmt *sink, *src; 122 123 sink = atomisp_subdev_get_ffmt(&asd->subdev, NULL, 124 V4L2_SUBDEV_FORMAT_ACTIVE, 125 ATOMISP_SUBDEV_PAD_SINK); 126 src = atomisp_subdev_get_ffmt(&asd->subdev, NULL, 127 V4L2_SUBDEV_FORMAT_ACTIVE, source_pad); 128 129 return atomisp_is_mbuscode_raw(sink->code) 130 && !atomisp_is_mbuscode_raw(src->code); 131 } 132 133 uint16_t atomisp_subdev_source_pad(struct video_device *vdev) 134 { 135 struct media_link *link; 136 u16 ret = 0; 137 138 list_for_each_entry(link, &vdev->entity.links, list) { 139 if (link->source) { 140 ret = link->source->index; 141 break; 142 } 143 } 144 return ret; 145 } 146 147 /* 148 * V4L2 subdev operations 149 */ 150 151 /* 152 * isp_subdev_ioctl - CCDC module private ioctl's 153 * @sd: ISP V4L2 subdevice 154 * @cmd: ioctl command 155 * @arg: ioctl argument 156 * 157 * Return 0 on success or a negative error code otherwise. 158 */ 159 static long isp_subdev_ioctl(struct v4l2_subdev *sd, 160 unsigned int cmd, void *arg) 161 { 162 return 0; 163 } 164 165 /* 166 * isp_subdev_set_power - Power on/off the CCDC module 167 * @sd: ISP V4L2 subdevice 168 * @on: power on/off 169 * 170 * Return 0 on success or a negative error code otherwise. 171 */ 172 static int isp_subdev_set_power(struct v4l2_subdev *sd, int on) 173 { 174 return 0; 175 } 176 177 static int isp_subdev_subscribe_event(struct v4l2_subdev *sd, 178 struct v4l2_fh *fh, 179 struct v4l2_event_subscription *sub) 180 { 181 struct atomisp_sub_device *isp_sd = v4l2_get_subdevdata(sd); 182 struct atomisp_device *isp = isp_sd->isp; 183 184 if (sub->type != V4L2_EVENT_FRAME_SYNC && 185 sub->type != V4L2_EVENT_FRAME_END && 186 sub->type != V4L2_EVENT_ATOMISP_3A_STATS_READY && 187 sub->type != V4L2_EVENT_ATOMISP_METADATA_READY && 188 sub->type != V4L2_EVENT_ATOMISP_PAUSE_BUFFER && 189 sub->type != V4L2_EVENT_ATOMISP_CSS_RESET && 190 sub->type != V4L2_EVENT_ATOMISP_RAW_BUFFERS_ALLOC_DONE && 191 sub->type != V4L2_EVENT_ATOMISP_ACC_COMPLETE) 192 return -EINVAL; 193 194 if (sub->type == V4L2_EVENT_FRAME_SYNC && 195 !atomisp_css_valid_sof(isp)) 196 return -EINVAL; 197 198 return v4l2_event_subscribe(fh, sub, 16, NULL); 199 } 200 201 static int isp_subdev_unsubscribe_event(struct v4l2_subdev *sd, 202 struct v4l2_fh *fh, 203 struct v4l2_event_subscription *sub) 204 { 205 return v4l2_event_unsubscribe(fh, sub); 206 } 207 208 /* 209 * isp_subdev_enum_mbus_code - Handle pixel format enumeration 210 * @sd: pointer to v4l2 subdev structure 211 * @fh : V4L2 subdev file handle 212 * @code: pointer to v4l2_subdev_pad_mbus_code_enum structure 213 * return -EINVAL or zero on success 214 */ 215 static int isp_subdev_enum_mbus_code(struct v4l2_subdev *sd, 216 struct v4l2_subdev_pad_config *cfg, 217 struct v4l2_subdev_mbus_code_enum *code) 218 { 219 if (code->index >= ARRAY_SIZE(atomisp_in_fmt_conv) - 1) 220 return -EINVAL; 221 222 code->code = atomisp_in_fmt_conv[code->index].code; 223 224 return 0; 225 } 226 227 static int isp_subdev_validate_rect(struct v4l2_subdev *sd, uint32_t pad, 228 uint32_t target) 229 { 230 switch (pad) { 231 case ATOMISP_SUBDEV_PAD_SINK: 232 switch (target) { 233 case V4L2_SEL_TGT_CROP: 234 return 0; 235 } 236 break; 237 default: 238 switch (target) { 239 case V4L2_SEL_TGT_COMPOSE: 240 return 0; 241 } 242 break; 243 } 244 245 return -EINVAL; 246 } 247 248 struct v4l2_rect *atomisp_subdev_get_rect(struct v4l2_subdev *sd, 249 struct v4l2_subdev_pad_config *cfg, 250 u32 which, uint32_t pad, 251 uint32_t target) 252 { 253 struct atomisp_sub_device *isp_sd = v4l2_get_subdevdata(sd); 254 255 if (which == V4L2_SUBDEV_FORMAT_TRY) { 256 switch (target) { 257 case V4L2_SEL_TGT_CROP: 258 return v4l2_subdev_get_try_crop(sd, cfg, pad); 259 case V4L2_SEL_TGT_COMPOSE: 260 return v4l2_subdev_get_try_compose(sd, cfg, pad); 261 } 262 } 263 264 switch (target) { 265 case V4L2_SEL_TGT_CROP: 266 return &isp_sd->fmt[pad].crop; 267 case V4L2_SEL_TGT_COMPOSE: 268 return &isp_sd->fmt[pad].compose; 269 } 270 271 return NULL; 272 } 273 274 struct v4l2_mbus_framefmt 275 *atomisp_subdev_get_ffmt(struct v4l2_subdev *sd, 276 struct v4l2_subdev_pad_config *cfg, uint32_t which, 277 uint32_t pad) 278 { 279 struct atomisp_sub_device *isp_sd = v4l2_get_subdevdata(sd); 280 281 if (which == V4L2_SUBDEV_FORMAT_TRY) 282 return v4l2_subdev_get_try_format(sd, cfg, pad); 283 284 return &isp_sd->fmt[pad].fmt; 285 } 286 287 static void isp_get_fmt_rect(struct v4l2_subdev *sd, 288 struct v4l2_subdev_pad_config *cfg, uint32_t which, 289 struct v4l2_mbus_framefmt **ffmt, 290 struct v4l2_rect *crop[ATOMISP_SUBDEV_PADS_NUM], 291 struct v4l2_rect *comp[ATOMISP_SUBDEV_PADS_NUM]) 292 { 293 unsigned int i; 294 295 for (i = 0; i < ATOMISP_SUBDEV_PADS_NUM; i++) { 296 ffmt[i] = atomisp_subdev_get_ffmt(sd, cfg, which, i); 297 crop[i] = atomisp_subdev_get_rect(sd, cfg, which, i, 298 V4L2_SEL_TGT_CROP); 299 comp[i] = atomisp_subdev_get_rect(sd, cfg, which, i, 300 V4L2_SEL_TGT_COMPOSE); 301 } 302 } 303 304 static void isp_subdev_propagate(struct v4l2_subdev *sd, 305 struct v4l2_subdev_pad_config *cfg, 306 u32 which, uint32_t pad, uint32_t target, 307 uint32_t flags) 308 { 309 struct v4l2_mbus_framefmt *ffmt[ATOMISP_SUBDEV_PADS_NUM]; 310 struct v4l2_rect *crop[ATOMISP_SUBDEV_PADS_NUM], 311 *comp[ATOMISP_SUBDEV_PADS_NUM]; 312 313 if (flags & V4L2_SEL_FLAG_KEEP_CONFIG) 314 return; 315 316 isp_get_fmt_rect(sd, cfg, which, ffmt, crop, comp); 317 318 switch (pad) { 319 case ATOMISP_SUBDEV_PAD_SINK: { 320 struct v4l2_rect r = {0}; 321 322 /* Only crop target supported on sink pad. */ 323 r.width = ffmt[pad]->width; 324 r.height = ffmt[pad]->height; 325 326 atomisp_subdev_set_selection(sd, cfg, which, pad, 327 target, flags, &r); 328 break; 329 } 330 } 331 } 332 333 static int isp_subdev_get_selection(struct v4l2_subdev *sd, 334 struct v4l2_subdev_pad_config *cfg, 335 struct v4l2_subdev_selection *sel) 336 { 337 struct v4l2_rect *rec; 338 int rval = isp_subdev_validate_rect(sd, sel->pad, sel->target); 339 340 if (rval) 341 return rval; 342 343 rec = atomisp_subdev_get_rect(sd, cfg, sel->which, sel->pad, 344 sel->target); 345 if (!rec) 346 return -EINVAL; 347 348 sel->r = *rec; 349 return 0; 350 } 351 352 static const char *atomisp_pad_str(unsigned int pad) 353 { 354 static const char *const pad_str[] = { 355 "ATOMISP_SUBDEV_PAD_SINK", 356 "ATOMISP_SUBDEV_PAD_SOURCE_CAPTURE", 357 "ATOMISP_SUBDEV_PAD_SOURCE_VF", 358 "ATOMISP_SUBDEV_PAD_SOURCE_PREVIEW", 359 "ATOMISP_SUBDEV_PAD_SOURCE_VIDEO", 360 }; 361 362 if (pad >= ARRAY_SIZE(pad_str)) 363 return "ATOMISP_INVALID_PAD"; 364 return pad_str[pad]; 365 } 366 367 int atomisp_subdev_set_selection(struct v4l2_subdev *sd, 368 struct v4l2_subdev_pad_config *cfg, 369 u32 which, uint32_t pad, uint32_t target, 370 u32 flags, struct v4l2_rect *r) 371 { 372 struct atomisp_sub_device *isp_sd = v4l2_get_subdevdata(sd); 373 struct atomisp_device *isp = isp_sd->isp; 374 struct v4l2_mbus_framefmt *ffmt[ATOMISP_SUBDEV_PADS_NUM]; 375 u16 vdev_pad = atomisp_subdev_source_pad(sd->devnode); 376 struct v4l2_rect *crop[ATOMISP_SUBDEV_PADS_NUM], 377 *comp[ATOMISP_SUBDEV_PADS_NUM]; 378 enum atomisp_input_stream_id stream_id; 379 unsigned int i; 380 unsigned int padding_w = pad_w; 381 unsigned int padding_h = pad_h; 382 383 stream_id = atomisp_source_pad_to_stream_id(isp_sd, vdev_pad); 384 385 isp_get_fmt_rect(sd, cfg, which, ffmt, crop, comp); 386 387 dev_dbg(isp->dev, 388 "sel: pad %s tgt %s l %d t %d w %d h %d which %s f 0x%8.8x\n", 389 atomisp_pad_str(pad), target == V4L2_SEL_TGT_CROP 390 ? "V4L2_SEL_TGT_CROP" : "V4L2_SEL_TGT_COMPOSE", 391 r->left, r->top, r->width, r->height, 392 which == V4L2_SUBDEV_FORMAT_TRY ? "V4L2_SUBDEV_FORMAT_TRY" 393 : "V4L2_SUBDEV_FORMAT_ACTIVE", flags); 394 395 r->width = rounddown(r->width, ATOM_ISP_STEP_WIDTH); 396 r->height = rounddown(r->height, ATOM_ISP_STEP_HEIGHT); 397 398 switch (pad) { 399 case ATOMISP_SUBDEV_PAD_SINK: { 400 /* Only crop target supported on sink pad. */ 401 unsigned int dvs_w, dvs_h; 402 403 crop[pad]->width = ffmt[pad]->width; 404 crop[pad]->height = ffmt[pad]->height; 405 406 /* Workaround for BYT 1080p perfectshot since the maxinum resolution of 407 * front camera ov2722 is 1932x1092 and cannot use pad_w > 12*/ 408 if (!strncmp(isp->inputs[isp_sd->input_curr].camera->name, 409 "ov2722", 6) && crop[pad]->height == 1092) { 410 padding_w = 12; 411 padding_h = 12; 412 } 413 414 if (isp->inputs[isp_sd->input_curr].type == SOC_CAMERA) { 415 padding_w = 0; 416 padding_h = 0; 417 } 418 419 if (atomisp_subdev_format_conversion(isp_sd, 420 isp_sd->capture_pad) 421 && crop[pad]->width && crop[pad]->height) { 422 crop[pad]->width -= padding_w; 423 crop[pad]->height -= padding_h; 424 } 425 426 /* if subdev type is SOC camera,we do not need to set DVS */ 427 if (isp->inputs[isp_sd->input_curr].type == SOC_CAMERA) 428 isp_sd->params.video_dis_en = 0; 429 430 if (isp_sd->params.video_dis_en && 431 isp_sd->run_mode->val == ATOMISP_RUN_MODE_VIDEO && 432 !isp_sd->continuous_mode->val) { 433 /* This resolution contains 20 % of DVS slack 434 * (of the desired captured image before 435 * scaling, or 1 / 6 of what we get from the 436 * sensor) in both width and height. Remove 437 * it. */ 438 crop[pad]->width = roundup(crop[pad]->width * 5 / 6, 439 ATOM_ISP_STEP_WIDTH); 440 crop[pad]->height = roundup(crop[pad]->height * 5 / 6, 441 ATOM_ISP_STEP_HEIGHT); 442 } 443 444 crop[pad]->width = min(crop[pad]->width, r->width); 445 crop[pad]->height = min(crop[pad]->height, r->height); 446 447 if (!(flags & V4L2_SEL_FLAG_KEEP_CONFIG)) { 448 for (i = ATOMISP_SUBDEV_PAD_SOURCE_CAPTURE; 449 i < ATOMISP_SUBDEV_PADS_NUM; i++) { 450 struct v4l2_rect tmp = *crop[pad]; 451 452 atomisp_subdev_set_selection( 453 sd, cfg, which, i, V4L2_SEL_TGT_COMPOSE, 454 flags, &tmp); 455 } 456 } 457 458 if (which == V4L2_SUBDEV_FORMAT_TRY) 459 break; 460 461 if (isp_sd->params.video_dis_en && 462 isp_sd->run_mode->val == ATOMISP_RUN_MODE_VIDEO && 463 !isp_sd->continuous_mode->val) { 464 dvs_w = rounddown(crop[pad]->width / 5, 465 ATOM_ISP_STEP_WIDTH); 466 dvs_h = rounddown(crop[pad]->height / 5, 467 ATOM_ISP_STEP_HEIGHT); 468 } else if (!isp_sd->params.video_dis_en && 469 isp_sd->run_mode->val == ATOMISP_RUN_MODE_VIDEO) { 470 /* 471 * For CSS2.0, digital zoom needs to set dvs envelope to 12 472 * when dvs is disabled. 473 */ 474 dvs_w = dvs_h = 12; 475 } else 476 dvs_w = dvs_h = 0; 477 478 atomisp_css_video_set_dis_envelope(isp_sd, dvs_w, dvs_h); 479 atomisp_css_input_set_effective_resolution(isp_sd, stream_id, 480 crop[pad]->width, crop[pad]->height); 481 482 break; 483 } 484 case ATOMISP_SUBDEV_PAD_SOURCE_CAPTURE: 485 case ATOMISP_SUBDEV_PAD_SOURCE_VIDEO: { 486 /* Only compose target is supported on source pads. */ 487 488 if (isp_sd->vfpp->val == ATOMISP_VFPP_DISABLE_LOWLAT) { 489 /* Scaling is disabled in this mode */ 490 r->width = crop[ATOMISP_SUBDEV_PAD_SINK]->width; 491 r->height = crop[ATOMISP_SUBDEV_PAD_SINK]->height; 492 } 493 494 if (crop[ATOMISP_SUBDEV_PAD_SINK]->width == r->width 495 && crop[ATOMISP_SUBDEV_PAD_SINK]->height == r->height) 496 isp_sd->params.yuv_ds_en = false; 497 else 498 isp_sd->params.yuv_ds_en = true; 499 500 comp[pad]->width = r->width; 501 comp[pad]->height = r->height; 502 503 if (r->width == 0 || r->height == 0 || 504 crop[ATOMISP_SUBDEV_PAD_SINK]->width == 0 || 505 crop[ATOMISP_SUBDEV_PAD_SINK]->height == 0) 506 break; 507 /* 508 * do cropping on sensor input if ratio of required resolution 509 * is different with sensor output resolution ratio: 510 * 511 * ratio = width / height 512 * 513 * if ratio_output < ratio_sensor: 514 * effect_width = sensor_height * out_width / out_height; 515 * effect_height = sensor_height; 516 * else 517 * effect_width = sensor_width; 518 * effect_height = sensor_width * out_height / out_width; 519 * 520 */ 521 if (r->width * crop[ATOMISP_SUBDEV_PAD_SINK]->height < 522 crop[ATOMISP_SUBDEV_PAD_SINK]->width * r->height) 523 atomisp_css_input_set_effective_resolution(isp_sd, 524 stream_id, 525 rounddown(crop[ATOMISP_SUBDEV_PAD_SINK]-> 526 height * r->width / r->height, 527 ATOM_ISP_STEP_WIDTH), 528 crop[ATOMISP_SUBDEV_PAD_SINK]->height); 529 else 530 atomisp_css_input_set_effective_resolution(isp_sd, 531 stream_id, 532 crop[ATOMISP_SUBDEV_PAD_SINK]->width, 533 rounddown(crop[ATOMISP_SUBDEV_PAD_SINK]-> 534 width * r->height / r->width, 535 ATOM_ISP_STEP_WIDTH)); 536 537 break; 538 } 539 case ATOMISP_SUBDEV_PAD_SOURCE_VF: 540 case ATOMISP_SUBDEV_PAD_SOURCE_PREVIEW: 541 comp[pad]->width = r->width; 542 comp[pad]->height = r->height; 543 break; 544 default: 545 return -EINVAL; 546 } 547 548 /* Set format dimensions on non-sink pads as well. */ 549 if (pad != ATOMISP_SUBDEV_PAD_SINK) { 550 ffmt[pad]->width = comp[pad]->width; 551 ffmt[pad]->height = comp[pad]->height; 552 } 553 554 if (!atomisp_subdev_get_rect(sd, cfg, which, pad, target)) 555 return -EINVAL; 556 *r = *atomisp_subdev_get_rect(sd, cfg, which, pad, target); 557 558 dev_dbg(isp->dev, "sel actual: l %d t %d w %d h %d\n", 559 r->left, r->top, r->width, r->height); 560 561 return 0; 562 } 563 564 static int isp_subdev_set_selection(struct v4l2_subdev *sd, 565 struct v4l2_subdev_pad_config *cfg, 566 struct v4l2_subdev_selection *sel) 567 { 568 int rval = isp_subdev_validate_rect(sd, sel->pad, sel->target); 569 570 if (rval) 571 return rval; 572 573 return atomisp_subdev_set_selection(sd, cfg, sel->which, sel->pad, 574 sel->target, sel->flags, &sel->r); 575 } 576 577 static int atomisp_get_sensor_bin_factor(struct atomisp_sub_device *asd) 578 { 579 struct v4l2_control ctrl = {0}; 580 struct atomisp_device *isp = asd->isp; 581 int hbin, vbin; 582 int ret; 583 584 if (isp->inputs[asd->input_curr].type == FILE_INPUT || 585 isp->inputs[asd->input_curr].type == TEST_PATTERN) 586 return 0; 587 588 ctrl.id = V4L2_CID_BIN_FACTOR_HORZ; 589 ret = 590 v4l2_g_ctrl(isp->inputs[asd->input_curr].camera->ctrl_handler, 591 &ctrl); 592 hbin = ctrl.value; 593 ctrl.id = V4L2_CID_BIN_FACTOR_VERT; 594 ret |= 595 v4l2_g_ctrl(isp->inputs[asd->input_curr].camera->ctrl_handler, 596 &ctrl); 597 vbin = ctrl.value; 598 599 /* 600 * ISP needs to know binning factor from sensor. 601 * In case horizontal and vertical sensor's binning factors 602 * are different or sensor does not support binning factor CID, 603 * ISP will apply default 0 value. 604 */ 605 if (ret || hbin != vbin) 606 hbin = 0; 607 608 return hbin; 609 } 610 611 void atomisp_subdev_set_ffmt(struct v4l2_subdev *sd, 612 struct v4l2_subdev_pad_config *cfg, uint32_t which, 613 u32 pad, struct v4l2_mbus_framefmt *ffmt) 614 { 615 struct atomisp_sub_device *isp_sd = v4l2_get_subdevdata(sd); 616 struct atomisp_device *isp = isp_sd->isp; 617 struct v4l2_mbus_framefmt *__ffmt = 618 atomisp_subdev_get_ffmt(sd, cfg, which, pad); 619 u16 vdev_pad = atomisp_subdev_source_pad(sd->devnode); 620 enum atomisp_input_stream_id stream_id; 621 622 dev_dbg(isp->dev, "ffmt: pad %s w %d h %d code 0x%8.8x which %s\n", 623 atomisp_pad_str(pad), ffmt->width, ffmt->height, ffmt->code, 624 which == V4L2_SUBDEV_FORMAT_TRY ? "V4L2_SUBDEV_FORMAT_TRY" 625 : "V4L2_SUBDEV_FORMAT_ACTIVE"); 626 627 stream_id = atomisp_source_pad_to_stream_id(isp_sd, vdev_pad); 628 629 switch (pad) { 630 case ATOMISP_SUBDEV_PAD_SINK: { 631 const struct atomisp_in_fmt_conv *fc = 632 atomisp_find_in_fmt_conv(ffmt->code); 633 634 if (!fc) { 635 fc = atomisp_in_fmt_conv; 636 ffmt->code = fc->code; 637 dev_dbg(isp->dev, "using 0x%8.8x instead\n", 638 ffmt->code); 639 } 640 641 *__ffmt = *ffmt; 642 643 isp_subdev_propagate(sd, cfg, which, pad, 644 V4L2_SEL_TGT_CROP, 0); 645 646 if (which == V4L2_SUBDEV_FORMAT_ACTIVE) { 647 atomisp_css_input_set_resolution(isp_sd, 648 stream_id, ffmt); 649 atomisp_css_input_set_binning_factor(isp_sd, 650 stream_id, 651 atomisp_get_sensor_bin_factor(isp_sd)); 652 atomisp_css_input_set_bayer_order(isp_sd, stream_id, 653 fc->bayer_order); 654 atomisp_css_input_set_format(isp_sd, stream_id, 655 fc->atomisp_in_fmt); 656 atomisp_css_set_default_isys_config(isp_sd, stream_id, 657 ffmt); 658 } 659 660 break; 661 } 662 case ATOMISP_SUBDEV_PAD_SOURCE_CAPTURE: 663 case ATOMISP_SUBDEV_PAD_SOURCE_PREVIEW: 664 case ATOMISP_SUBDEV_PAD_SOURCE_VF: 665 case ATOMISP_SUBDEV_PAD_SOURCE_VIDEO: 666 __ffmt->code = ffmt->code; 667 break; 668 } 669 } 670 671 /* 672 * isp_subdev_get_format - Retrieve the video format on a pad 673 * @sd : ISP V4L2 subdevice 674 * @fh : V4L2 subdev file handle 675 * @pad: Pad number 676 * @fmt: Format 677 * 678 * Return 0 on success or -EINVAL if the pad is invalid or doesn't correspond 679 * to the format type. 680 */ 681 static int isp_subdev_get_format(struct v4l2_subdev *sd, 682 struct v4l2_subdev_pad_config *cfg, 683 struct v4l2_subdev_format *fmt) 684 { 685 fmt->format = *atomisp_subdev_get_ffmt(sd, cfg, fmt->which, fmt->pad); 686 687 return 0; 688 } 689 690 /* 691 * isp_subdev_set_format - Set the video format on a pad 692 * @sd : ISP subdev V4L2 subdevice 693 * @fh : V4L2 subdev file handle 694 * @pad: Pad number 695 * @fmt: Format 696 * 697 * Return 0 on success or -EINVAL if the pad is invalid or doesn't correspond 698 * to the format type. 699 */ 700 static int isp_subdev_set_format(struct v4l2_subdev *sd, 701 struct v4l2_subdev_pad_config *cfg, 702 struct v4l2_subdev_format *fmt) 703 { 704 atomisp_subdev_set_ffmt(sd, cfg, fmt->which, fmt->pad, &fmt->format); 705 706 return 0; 707 } 708 709 /* V4L2 subdev core operations */ 710 static const struct v4l2_subdev_core_ops isp_subdev_v4l2_core_ops = { 711 .ioctl = isp_subdev_ioctl, .s_power = isp_subdev_set_power, 712 .subscribe_event = isp_subdev_subscribe_event, 713 .unsubscribe_event = isp_subdev_unsubscribe_event, 714 }; 715 716 /* V4L2 subdev pad operations */ 717 static const struct v4l2_subdev_pad_ops isp_subdev_v4l2_pad_ops = { 718 .enum_mbus_code = isp_subdev_enum_mbus_code, 719 .get_fmt = isp_subdev_get_format, 720 .set_fmt = isp_subdev_set_format, 721 .get_selection = isp_subdev_get_selection, 722 .set_selection = isp_subdev_set_selection, 723 .link_validate = v4l2_subdev_link_validate_default, 724 }; 725 726 /* V4L2 subdev operations */ 727 static const struct v4l2_subdev_ops isp_subdev_v4l2_ops = { 728 .core = &isp_subdev_v4l2_core_ops, 729 .pad = &isp_subdev_v4l2_pad_ops, 730 }; 731 732 static void isp_subdev_init_params(struct atomisp_sub_device *asd) 733 { 734 unsigned int i; 735 736 /* parameters initialization */ 737 INIT_LIST_HEAD(&asd->s3a_stats); 738 INIT_LIST_HEAD(&asd->s3a_stats_in_css); 739 INIT_LIST_HEAD(&asd->s3a_stats_ready); 740 INIT_LIST_HEAD(&asd->dis_stats); 741 INIT_LIST_HEAD(&asd->dis_stats_in_css); 742 spin_lock_init(&asd->dis_stats_lock); 743 for (i = 0; i < ATOMISP_METADATA_TYPE_NUM; i++) { 744 INIT_LIST_HEAD(&asd->metadata[i]); 745 INIT_LIST_HEAD(&asd->metadata_in_css[i]); 746 INIT_LIST_HEAD(&asd->metadata_ready[i]); 747 } 748 } 749 750 /* 751 * isp_subdev_link_setup - Setup isp subdev connections 752 * @entity: ispsubdev media entity 753 * @local: Pad at the local end of the link 754 * @remote: Pad at the remote end of the link 755 * @flags: Link flags 756 * 757 * return -EINVAL or zero on success 758 */ 759 static int isp_subdev_link_setup(struct media_entity *entity, 760 const struct media_pad *local, 761 const struct media_pad *remote, u32 flags) 762 { 763 struct v4l2_subdev *sd = media_entity_to_v4l2_subdev(entity); 764 struct atomisp_sub_device *isp_sd = v4l2_get_subdevdata(sd); 765 struct atomisp_device *isp = isp_sd->isp; 766 unsigned int i; 767 768 switch (local->index | is_media_entity_v4l2_subdev(remote->entity)) { 769 case ATOMISP_SUBDEV_PAD_SINK | MEDIA_ENT_F_V4L2_SUBDEV_UNKNOWN: 770 /* Read from the sensor CSI2-ports. */ 771 if (!(flags & MEDIA_LNK_FL_ENABLED)) { 772 isp_sd->input = ATOMISP_SUBDEV_INPUT_NONE; 773 break; 774 } 775 776 if (isp_sd->input != ATOMISP_SUBDEV_INPUT_NONE) 777 return -EBUSY; 778 779 for (i = 0; i < ATOMISP_CAMERA_NR_PORTS; i++) { 780 if (remote->entity != &isp->csi2_port[i].subdev.entity) 781 continue; 782 783 isp_sd->input = ATOMISP_SUBDEV_INPUT_CSI2_PORT1 + i; 784 return 0; 785 } 786 787 return -EINVAL; 788 789 case ATOMISP_SUBDEV_PAD_SINK | MEDIA_ENT_F_OLD_BASE: 790 /* read from memory */ 791 if (flags & MEDIA_LNK_FL_ENABLED) { 792 if (isp_sd->input >= ATOMISP_SUBDEV_INPUT_CSI2_PORT1 && 793 isp_sd->input < (ATOMISP_SUBDEV_INPUT_CSI2_PORT1 794 + ATOMISP_CAMERA_NR_PORTS)) 795 return -EBUSY; 796 isp_sd->input = ATOMISP_SUBDEV_INPUT_MEMORY; 797 } else { 798 if (isp_sd->input == ATOMISP_SUBDEV_INPUT_MEMORY) 799 isp_sd->input = ATOMISP_SUBDEV_INPUT_NONE; 800 } 801 break; 802 803 case ATOMISP_SUBDEV_PAD_SOURCE_PREVIEW | MEDIA_ENT_F_OLD_BASE: 804 /* always write to memory */ 805 break; 806 807 case ATOMISP_SUBDEV_PAD_SOURCE_VF | MEDIA_ENT_F_OLD_BASE: 808 /* always write to memory */ 809 break; 810 811 case ATOMISP_SUBDEV_PAD_SOURCE_CAPTURE | MEDIA_ENT_F_OLD_BASE: 812 /* always write to memory */ 813 break; 814 815 case ATOMISP_SUBDEV_PAD_SOURCE_VIDEO | MEDIA_ENT_F_OLD_BASE: 816 /* always write to memory */ 817 break; 818 819 default: 820 return -EINVAL; 821 } 822 823 return 0; 824 } 825 826 /* media operations */ 827 static const struct media_entity_operations isp_subdev_media_ops = { 828 .link_setup = isp_subdev_link_setup, 829 .link_validate = v4l2_subdev_link_validate, 830 /* .set_power = v4l2_subdev_set_power, */ 831 }; 832 833 static int __atomisp_update_run_mode(struct atomisp_sub_device *asd) 834 { 835 struct atomisp_device *isp = asd->isp; 836 struct v4l2_ctrl *ctrl = asd->run_mode; 837 struct v4l2_ctrl *c; 838 s32 mode; 839 840 if (ctrl->val != ATOMISP_RUN_MODE_VIDEO && 841 asd->continuous_mode->val) 842 mode = ATOMISP_RUN_MODE_PREVIEW; 843 else 844 mode = ctrl->val; 845 846 c = v4l2_ctrl_find( 847 isp->inputs[asd->input_curr].camera->ctrl_handler, 848 V4L2_CID_RUN_MODE); 849 850 if (c) 851 return v4l2_ctrl_s_ctrl(c, mode); 852 853 return 0; 854 } 855 856 int atomisp_update_run_mode(struct atomisp_sub_device *asd) 857 { 858 int rval; 859 860 mutex_lock(asd->ctrl_handler.lock); 861 rval = __atomisp_update_run_mode(asd); 862 mutex_unlock(asd->ctrl_handler.lock); 863 864 return rval; 865 } 866 867 static int s_ctrl(struct v4l2_ctrl *ctrl) 868 { 869 struct atomisp_sub_device *asd = container_of( 870 ctrl->handler, struct atomisp_sub_device, ctrl_handler); 871 872 switch (ctrl->id) { 873 case V4L2_CID_RUN_MODE: 874 return __atomisp_update_run_mode(asd); 875 case V4L2_CID_DEPTH_MODE: 876 if (asd->streaming != ATOMISP_DEVICE_STREAMING_DISABLED) { 877 dev_err(asd->isp->dev, 878 "ISP is streaming, it is not supported to change the depth mode\n"); 879 return -EINVAL; 880 } 881 break; 882 } 883 884 return 0; 885 } 886 887 static const struct v4l2_ctrl_ops ctrl_ops = { 888 .s_ctrl = &s_ctrl, 889 }; 890 891 static const struct v4l2_ctrl_config ctrl_fmt_auto = { 892 .ops = &ctrl_ops, 893 .id = V4L2_CID_FMT_AUTO, 894 .name = "Automatic format guessing", 895 .type = V4L2_CTRL_TYPE_BOOLEAN, 896 .min = 0, 897 .max = 1, 898 .step = 1, 899 .def = 1, 900 }; 901 902 static const char *const ctrl_run_mode_menu[] = { 903 NULL, 904 "Video", 905 "Still capture", 906 "Continuous capture", 907 "Preview", 908 }; 909 910 static const struct v4l2_ctrl_config ctrl_run_mode = { 911 .ops = &ctrl_ops, 912 .id = V4L2_CID_RUN_MODE, 913 .name = "Atomisp run mode", 914 .type = V4L2_CTRL_TYPE_MENU, 915 .min = 1, 916 .def = 1, 917 .max = 4, 918 .qmenu = ctrl_run_mode_menu, 919 }; 920 921 static const char *const ctrl_vfpp_mode_menu[] = { 922 "Enable", /* vfpp always enabled */ 923 "Disable to scaler mode", /* CSS into video mode and disable */ 924 "Disable to low latency mode", /* CSS into still mode and disable */ 925 }; 926 927 static const struct v4l2_ctrl_config ctrl_vfpp = { 928 .id = V4L2_CID_VFPP, 929 .name = "Atomisp vf postprocess", 930 .type = V4L2_CTRL_TYPE_MENU, 931 .min = 0, 932 .def = 0, 933 .max = 2, 934 .qmenu = ctrl_vfpp_mode_menu, 935 }; 936 937 /* 938 * Control for ISP continuous mode 939 * 940 * When enabled, capture processing is possible without 941 * stopping the preview pipeline. When disabled, ISP needs 942 * to be restarted between preview and capture. 943 */ 944 static const struct v4l2_ctrl_config ctrl_continuous_mode = { 945 .ops = &ctrl_ops, 946 .id = V4L2_CID_ATOMISP_CONTINUOUS_MODE, 947 .type = V4L2_CTRL_TYPE_BOOLEAN, 948 .name = "Continuous mode", 949 .min = 0, 950 .max = 1, 951 .step = 1, 952 .def = 0, 953 }; 954 955 /* 956 * Control for continuous mode raw buffer size 957 * 958 * The size of the RAW ringbuffer sets limit on how much 959 * back in time application can go when requesting capture 960 * frames to be rendered, and how many frames can be rendered 961 * in a burst at full sensor rate. 962 * 963 * Note: this setting has a big impact on memory consumption of 964 * the CSS subsystem. 965 */ 966 static const struct v4l2_ctrl_config ctrl_continuous_raw_buffer_size = { 967 .ops = &ctrl_ops, 968 .id = V4L2_CID_ATOMISP_CONTINUOUS_RAW_BUFFER_SIZE, 969 .type = V4L2_CTRL_TYPE_INTEGER, 970 .name = "Continuous raw ringbuffer size", 971 .min = 1, 972 .max = 100, /* depends on CSS version, runtime checked */ 973 .step = 1, 974 .def = 3, 975 }; 976 977 /* 978 * Control for enabling continuous viewfinder 979 * 980 * When enabled, and ISP is in continuous mode (see ctrl_continuous_mode ), 981 * preview pipeline continues concurrently with capture 982 * processing. When disabled, and continuous mode is used, 983 * preview is paused while captures are processed, but 984 * full pipeline restart is not needed. 985 * 986 * By setting this to disabled, capture processing is 987 * essentially given priority over preview, and the effective 988 * capture output rate may be higher than with continuous 989 * viewfinder enabled. 990 */ 991 static const struct v4l2_ctrl_config ctrl_continuous_viewfinder = { 992 .id = V4L2_CID_ATOMISP_CONTINUOUS_VIEWFINDER, 993 .type = V4L2_CTRL_TYPE_BOOLEAN, 994 .name = "Continuous viewfinder", 995 .min = 0, 996 .max = 1, 997 .step = 1, 998 .def = 0, 999 }; 1000 1001 /* 1002 * Control for enabling Lock&Unlock Raw Buffer mechanism 1003 * 1004 * When enabled, Raw Buffer can be locked and unlocked. 1005 * Application can hold the exp_id of Raw Buffer 1006 * and unlock it when no longer needed. 1007 * Note: Make sure set this configuration before creating stream. 1008 */ 1009 static const struct v4l2_ctrl_config ctrl_enable_raw_buffer_lock = { 1010 .id = V4L2_CID_ENABLE_RAW_BUFFER_LOCK, 1011 .type = V4L2_CTRL_TYPE_BOOLEAN, 1012 .name = "Lock Unlock Raw Buffer", 1013 .min = 0, 1014 .max = 1, 1015 .step = 1, 1016 .def = 0, 1017 }; 1018 1019 /* 1020 * Control to disable digital zoom of the whole stream 1021 * 1022 * When it is true, pipe configuration enable_dz will be set to false. 1023 * This can help get a better performance by disabling pp binary. 1024 * 1025 * Note: Make sure set this configuration before creating stream. 1026 */ 1027 static const struct v4l2_ctrl_config ctrl_disable_dz = { 1028 .id = V4L2_CID_DISABLE_DZ, 1029 .type = V4L2_CTRL_TYPE_BOOLEAN, 1030 .name = "Disable digital zoom", 1031 .min = 0, 1032 .max = 1, 1033 .step = 1, 1034 .def = 0, 1035 }; 1036 1037 /* 1038 * Control for ISP depth mode 1039 * 1040 * When enabled, that means ISP will deal with dual streams and sensors will be 1041 * in slave/master mode. 1042 * slave sensor will have no output until master sensor is streamed on. 1043 */ 1044 static const struct v4l2_ctrl_config ctrl_depth_mode = { 1045 .ops = &ctrl_ops, 1046 .id = V4L2_CID_DEPTH_MODE, 1047 .type = V4L2_CTRL_TYPE_BOOLEAN, 1048 .name = "Depth mode", 1049 .min = 0, 1050 .max = 1, 1051 .step = 1, 1052 .def = 0, 1053 }; 1054 1055 /* 1056 * Control for selectting ISP version 1057 * 1058 * When enabled, that means ISP version will be used ISP2.7. when disable, the 1059 * isp will default to use ISP2.2. 1060 * Note: Make sure set this configuration before creating stream. 1061 */ 1062 static const struct v4l2_ctrl_config ctrl_select_isp_version = { 1063 .ops = &ctrl_ops, 1064 .id = V4L2_CID_ATOMISP_SELECT_ISP_VERSION, 1065 .type = V4L2_CTRL_TYPE_BOOLEAN, 1066 .name = "Select Isp version", 1067 .min = 0, 1068 .max = 1, 1069 .step = 1, 1070 .def = 0, 1071 }; 1072 1073 static void atomisp_init_subdev_pipe(struct atomisp_sub_device *asd, 1074 struct atomisp_video_pipe *pipe, enum v4l2_buf_type buf_type) 1075 { 1076 pipe->type = buf_type; 1077 pipe->asd = asd; 1078 pipe->isp = asd->isp; 1079 spin_lock_init(&pipe->irq_lock); 1080 INIT_LIST_HEAD(&pipe->activeq); 1081 INIT_LIST_HEAD(&pipe->activeq_out); 1082 INIT_LIST_HEAD(&pipe->buffers_waiting_for_param); 1083 INIT_LIST_HEAD(&pipe->per_frame_params); 1084 memset(pipe->frame_request_config_id, 1085 0, VIDEO_MAX_FRAME * sizeof(unsigned int)); 1086 memset(pipe->frame_params, 1087 0, VIDEO_MAX_FRAME * 1088 sizeof(struct atomisp_css_params_with_list *)); 1089 } 1090 1091 static void atomisp_init_acc_pipe(struct atomisp_sub_device *asd, 1092 struct atomisp_acc_pipe *pipe) 1093 { 1094 pipe->asd = asd; 1095 pipe->isp = asd->isp; 1096 INIT_LIST_HEAD(&asd->acc.fw); 1097 INIT_LIST_HEAD(&asd->acc.memory_maps); 1098 ida_init(&asd->acc.ida); 1099 } 1100 1101 /* 1102 * isp_subdev_init_entities - Initialize V4L2 subdev and media entity 1103 * @asd: ISP CCDC module 1104 * 1105 * Return 0 on success and a negative error code on failure. 1106 */ 1107 static int isp_subdev_init_entities(struct atomisp_sub_device *asd) 1108 { 1109 struct v4l2_subdev *sd = &asd->subdev; 1110 struct media_pad *pads = asd->pads; 1111 struct media_entity *me = &sd->entity; 1112 int ret; 1113 1114 asd->input = ATOMISP_SUBDEV_INPUT_NONE; 1115 1116 v4l2_subdev_init(sd, &isp_subdev_v4l2_ops); 1117 sprintf(sd->name, "ATOMISP_SUBDEV_%d", asd->index); 1118 v4l2_set_subdevdata(sd, asd); 1119 sd->flags |= V4L2_SUBDEV_FL_HAS_EVENTS | V4L2_SUBDEV_FL_HAS_DEVNODE; 1120 1121 pads[ATOMISP_SUBDEV_PAD_SINK].flags = MEDIA_PAD_FL_SINK; 1122 pads[ATOMISP_SUBDEV_PAD_SOURCE_PREVIEW].flags = MEDIA_PAD_FL_SOURCE; 1123 pads[ATOMISP_SUBDEV_PAD_SOURCE_VF].flags = MEDIA_PAD_FL_SOURCE; 1124 pads[ATOMISP_SUBDEV_PAD_SOURCE_CAPTURE].flags = MEDIA_PAD_FL_SOURCE; 1125 pads[ATOMISP_SUBDEV_PAD_SOURCE_VIDEO].flags = MEDIA_PAD_FL_SOURCE; 1126 1127 asd->fmt[ATOMISP_SUBDEV_PAD_SINK].fmt.code = 1128 MEDIA_BUS_FMT_SBGGR10_1X10; 1129 asd->fmt[ATOMISP_SUBDEV_PAD_SOURCE_PREVIEW].fmt.code = 1130 MEDIA_BUS_FMT_SBGGR10_1X10; 1131 asd->fmt[ATOMISP_SUBDEV_PAD_SOURCE_VF].fmt.code = 1132 MEDIA_BUS_FMT_SBGGR10_1X10; 1133 asd->fmt[ATOMISP_SUBDEV_PAD_SOURCE_CAPTURE].fmt.code = 1134 MEDIA_BUS_FMT_SBGGR10_1X10; 1135 asd->fmt[ATOMISP_SUBDEV_PAD_SOURCE_VIDEO].fmt.code = 1136 MEDIA_BUS_FMT_SBGGR10_1X10; 1137 1138 me->ops = &isp_subdev_media_ops; 1139 me->function = MEDIA_ENT_F_V4L2_SUBDEV_UNKNOWN; 1140 ret = media_entity_pads_init(me, ATOMISP_SUBDEV_PADS_NUM, pads); 1141 if (ret < 0) 1142 return ret; 1143 1144 atomisp_init_subdev_pipe(asd, &asd->video_in, 1145 V4L2_BUF_TYPE_VIDEO_OUTPUT); 1146 1147 atomisp_init_subdev_pipe(asd, &asd->video_out_preview, 1148 V4L2_BUF_TYPE_VIDEO_CAPTURE); 1149 1150 atomisp_init_subdev_pipe(asd, &asd->video_out_vf, 1151 V4L2_BUF_TYPE_VIDEO_CAPTURE); 1152 1153 atomisp_init_subdev_pipe(asd, &asd->video_out_capture, 1154 V4L2_BUF_TYPE_VIDEO_CAPTURE); 1155 1156 atomisp_init_subdev_pipe(asd, &asd->video_out_video_capture, 1157 V4L2_BUF_TYPE_VIDEO_CAPTURE); 1158 1159 atomisp_init_acc_pipe(asd, &asd->video_acc); 1160 1161 ret = atomisp_video_init(&asd->video_in, "MEMORY"); 1162 if (ret < 0) 1163 return ret; 1164 1165 ret = atomisp_video_init(&asd->video_out_capture, "CAPTURE"); 1166 if (ret < 0) 1167 return ret; 1168 1169 ret = atomisp_video_init(&asd->video_out_vf, "VIEWFINDER"); 1170 if (ret < 0) 1171 return ret; 1172 1173 ret = atomisp_video_init(&asd->video_out_preview, "PREVIEW"); 1174 if (ret < 0) 1175 return ret; 1176 1177 ret = atomisp_video_init(&asd->video_out_video_capture, "VIDEO"); 1178 if (ret < 0) 1179 return ret; 1180 1181 atomisp_acc_init(&asd->video_acc, "ACC"); 1182 1183 ret = v4l2_ctrl_handler_init(&asd->ctrl_handler, 1); 1184 if (ret) 1185 return ret; 1186 1187 asd->fmt_auto = v4l2_ctrl_new_custom(&asd->ctrl_handler, 1188 &ctrl_fmt_auto, NULL); 1189 asd->run_mode = v4l2_ctrl_new_custom(&asd->ctrl_handler, 1190 &ctrl_run_mode, NULL); 1191 asd->vfpp = v4l2_ctrl_new_custom(&asd->ctrl_handler, 1192 &ctrl_vfpp, NULL); 1193 asd->continuous_mode = v4l2_ctrl_new_custom(&asd->ctrl_handler, 1194 &ctrl_continuous_mode, NULL); 1195 asd->continuous_viewfinder = v4l2_ctrl_new_custom(&asd->ctrl_handler, 1196 &ctrl_continuous_viewfinder, 1197 NULL); 1198 asd->continuous_raw_buffer_size = 1199 v4l2_ctrl_new_custom(&asd->ctrl_handler, 1200 &ctrl_continuous_raw_buffer_size, 1201 NULL); 1202 1203 asd->enable_raw_buffer_lock = 1204 v4l2_ctrl_new_custom(&asd->ctrl_handler, 1205 &ctrl_enable_raw_buffer_lock, 1206 NULL); 1207 asd->depth_mode = 1208 v4l2_ctrl_new_custom(&asd->ctrl_handler, 1209 &ctrl_depth_mode, 1210 NULL); 1211 asd->disable_dz = 1212 v4l2_ctrl_new_custom(&asd->ctrl_handler, 1213 &ctrl_disable_dz, 1214 NULL); 1215 if (IS_ISP2401) { 1216 asd->select_isp_version = v4l2_ctrl_new_custom(&asd->ctrl_handler, 1217 &ctrl_select_isp_version, 1218 NULL); 1219 } 1220 1221 /* Make controls visible on subdev as well. */ 1222 asd->subdev.ctrl_handler = &asd->ctrl_handler; 1223 spin_lock_init(&asd->raw_buffer_bitmap_lock); 1224 return asd->ctrl_handler.error; 1225 } 1226 1227 int atomisp_create_pads_links(struct atomisp_device *isp) 1228 { 1229 struct atomisp_sub_device *asd; 1230 int i, j, ret = 0; 1231 1232 isp->num_of_streams = 2; 1233 for (i = 0; i < ATOMISP_CAMERA_NR_PORTS; i++) { 1234 for (j = 0; j < isp->num_of_streams; j++) { 1235 ret = 1236 media_create_pad_link(&isp->csi2_port[i].subdev. 1237 entity, CSI2_PAD_SOURCE, 1238 &isp->asd[j].subdev.entity, 1239 ATOMISP_SUBDEV_PAD_SINK, 0); 1240 if (ret < 0) 1241 return ret; 1242 } 1243 } 1244 for (i = 0; i < isp->input_cnt - 2; i++) { 1245 ret = media_create_pad_link(&isp->inputs[i].camera->entity, 0, 1246 &isp->csi2_port[isp->inputs[i]. 1247 port].subdev.entity, 1248 CSI2_PAD_SINK, 1249 MEDIA_LNK_FL_ENABLED | 1250 MEDIA_LNK_FL_IMMUTABLE); 1251 if (ret < 0) 1252 return ret; 1253 } 1254 for (i = 0; i < isp->num_of_streams; i++) { 1255 asd = &isp->asd[i]; 1256 ret = media_create_pad_link(&asd->subdev.entity, 1257 ATOMISP_SUBDEV_PAD_SOURCE_PREVIEW, 1258 &asd->video_out_preview.vdev.entity, 1259 0, 0); 1260 if (ret < 0) 1261 return ret; 1262 ret = media_create_pad_link(&asd->subdev.entity, 1263 ATOMISP_SUBDEV_PAD_SOURCE_VF, 1264 &asd->video_out_vf.vdev.entity, 0, 1265 0); 1266 if (ret < 0) 1267 return ret; 1268 ret = media_create_pad_link(&asd->subdev.entity, 1269 ATOMISP_SUBDEV_PAD_SOURCE_CAPTURE, 1270 &asd->video_out_capture.vdev.entity, 1271 0, 0); 1272 if (ret < 0) 1273 return ret; 1274 ret = media_create_pad_link(&asd->subdev.entity, 1275 ATOMISP_SUBDEV_PAD_SOURCE_VIDEO, 1276 &asd->video_out_video_capture.vdev. 1277 entity, 0, 0); 1278 if (ret < 0) 1279 return ret; 1280 /* 1281 * file input only supported on subdev0 1282 * so do not create pad link for subdevs other then subdev0 1283 */ 1284 if (asd->index) 1285 return 0; 1286 ret = media_create_pad_link(&asd->video_in.vdev.entity, 1287 0, &asd->subdev.entity, 1288 ATOMISP_SUBDEV_PAD_SINK, 0); 1289 if (ret < 0) 1290 return ret; 1291 } 1292 return 0; 1293 } 1294 1295 static void atomisp_subdev_cleanup_entities(struct atomisp_sub_device *asd) 1296 { 1297 v4l2_ctrl_handler_free(&asd->ctrl_handler); 1298 1299 media_entity_cleanup(&asd->subdev.entity); 1300 } 1301 1302 void atomisp_subdev_cleanup_pending_events(struct atomisp_sub_device *asd) 1303 { 1304 struct v4l2_fh *fh, *fh_tmp; 1305 struct v4l2_event event; 1306 unsigned int i, pending_event; 1307 1308 list_for_each_entry_safe(fh, fh_tmp, 1309 &asd->subdev.devnode->fh_list, list) { 1310 pending_event = v4l2_event_pending(fh); 1311 for (i = 0; i < pending_event; i++) 1312 v4l2_event_dequeue(fh, &event, 1); 1313 } 1314 } 1315 1316 void atomisp_subdev_unregister_entities(struct atomisp_sub_device *asd) 1317 { 1318 atomisp_subdev_cleanup_entities(asd); 1319 v4l2_device_unregister_subdev(&asd->subdev); 1320 atomisp_video_unregister(&asd->video_in); 1321 atomisp_video_unregister(&asd->video_out_preview); 1322 atomisp_video_unregister(&asd->video_out_vf); 1323 atomisp_video_unregister(&asd->video_out_capture); 1324 atomisp_video_unregister(&asd->video_out_video_capture); 1325 atomisp_acc_unregister(&asd->video_acc); 1326 } 1327 1328 int atomisp_subdev_register_entities(struct atomisp_sub_device *asd, 1329 struct v4l2_device *vdev) 1330 { 1331 int ret; 1332 u32 device_caps; 1333 1334 /* 1335 * FIXME: check if all device caps are properly initialized. 1336 * Should any of those use V4L2_CAP_META_OUTPUT? Probably yes. 1337 */ 1338 1339 device_caps = V4L2_CAP_VIDEO_CAPTURE | 1340 V4L2_CAP_STREAMING; 1341 1342 /* Register the subdev and video node. */ 1343 1344 ret = v4l2_device_register_subdev(vdev, &asd->subdev); 1345 if (ret < 0) 1346 goto error; 1347 1348 asd->video_out_capture.vdev.v4l2_dev = vdev; 1349 asd->video_out_capture.vdev.device_caps = device_caps | 1350 V4L2_CAP_VIDEO_OUTPUT; 1351 ret = video_register_device(&asd->video_out_capture.vdev, 1352 VFL_TYPE_VIDEO, -1); 1353 if (ret < 0) 1354 goto error; 1355 1356 asd->video_out_vf.vdev.v4l2_dev = vdev; 1357 asd->video_out_vf.vdev.device_caps = device_caps | 1358 V4L2_CAP_VIDEO_OUTPUT; 1359 ret = video_register_device(&asd->video_out_vf.vdev, 1360 VFL_TYPE_VIDEO, -1); 1361 if (ret < 0) 1362 goto error; 1363 asd->video_out_preview.vdev.v4l2_dev = vdev; 1364 asd->video_out_preview.vdev.device_caps = device_caps | 1365 V4L2_CAP_VIDEO_OUTPUT; 1366 ret = video_register_device(&asd->video_out_preview.vdev, 1367 VFL_TYPE_VIDEO, -1); 1368 if (ret < 0) 1369 goto error; 1370 asd->video_out_video_capture.vdev.v4l2_dev = vdev; 1371 asd->video_out_video_capture.vdev.device_caps = device_caps | 1372 V4L2_CAP_VIDEO_OUTPUT; 1373 ret = video_register_device(&asd->video_out_video_capture.vdev, 1374 VFL_TYPE_VIDEO, -1); 1375 if (ret < 0) 1376 goto error; 1377 asd->video_acc.vdev.v4l2_dev = vdev; 1378 asd->video_acc.vdev.device_caps = device_caps | 1379 V4L2_CAP_VIDEO_OUTPUT; 1380 ret = video_register_device(&asd->video_acc.vdev, 1381 VFL_TYPE_VIDEO, -1); 1382 if (ret < 0) 1383 goto error; 1384 1385 /* 1386 * file input only supported on subdev0 1387 * so do not create video node for subdevs other then subdev0 1388 */ 1389 if (asd->index) 1390 return 0; 1391 1392 asd->video_in.vdev.v4l2_dev = vdev; 1393 asd->video_in.vdev.device_caps = device_caps | 1394 V4L2_CAP_VIDEO_CAPTURE; 1395 ret = video_register_device(&asd->video_in.vdev, 1396 VFL_TYPE_VIDEO, -1); 1397 if (ret < 0) 1398 goto error; 1399 1400 return 0; 1401 1402 error: 1403 atomisp_subdev_unregister_entities(asd); 1404 return ret; 1405 } 1406 1407 /* 1408 * atomisp_subdev_init - ISP Subdevice initialization. 1409 * @dev: Device pointer specific to the ATOM ISP. 1410 * 1411 * TODO: Get the initialisation values from platform data. 1412 * 1413 * Return 0 on success or a negative error code otherwise. 1414 */ 1415 int atomisp_subdev_init(struct atomisp_device *isp) 1416 { 1417 struct atomisp_sub_device *asd; 1418 int i, ret = 0; 1419 1420 /* 1421 * CSS2.0 running ISP2400 support 1422 * multiple streams 1423 */ 1424 isp->num_of_streams = 2; 1425 isp->asd = devm_kzalloc(isp->dev, sizeof(struct atomisp_sub_device) * 1426 isp->num_of_streams, GFP_KERNEL); 1427 if (!isp->asd) 1428 return -ENOMEM; 1429 for (i = 0; i < isp->num_of_streams; i++) { 1430 asd = &isp->asd[i]; 1431 spin_lock_init(&asd->lock); 1432 asd->isp = isp; 1433 isp_subdev_init_params(asd); 1434 asd->index = i; 1435 ret = isp_subdev_init_entities(asd); 1436 if (ret < 0) { 1437 atomisp_subdev_cleanup_entities(asd); 1438 break; 1439 } 1440 } 1441 1442 return ret; 1443 } 1444