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  * Copyright (c) 2010 Silicon Hive www.siliconhive.com.
8  *
9  * This program is free software; you can redistribute it and/or
10  * modify it under the terms of the GNU General Public License version
11  * 2 as published by the Free Software Foundation.
12  *
13  * This program is distributed in the hope that it will be useful,
14  * but WITHOUT ANY WARRANTY; without even the implied warranty of
15  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
16  * GNU General Public License for more details.
17  *
18  *
19  */
20 
21 #include <linux/delay.h>
22 #include <linux/pci.h>
23 
24 #include <media/v4l2-ioctl.h>
25 #include <media/v4l2-event.h>
26 #include <media/videobuf-vmalloc.h>
27 
28 #include "atomisp_acc.h"
29 #include "atomisp_cmd.h"
30 #include "atomisp_common.h"
31 #include "atomisp_fops.h"
32 #include "atomisp_internal.h"
33 #include "atomisp_ioctl.h"
34 #include "atomisp-regs.h"
35 #include "atomisp_compat.h"
36 
37 #include "sh_css_hrt.h"
38 
39 #include "gp_device.h"
40 #include "device_access.h"
41 #include "irq.h"
42 
43 static const char *DRIVER = "atomisp";	/* max size 15 */
44 static const char *CARD = "ATOM ISP";	/* max size 31 */
45 
46 /*
47  * FIXME: ISP should not know beforehand all CIDs supported by sensor.
48  * Instead, it needs to propagate to sensor unkonwn CIDs.
49  */
50 static struct v4l2_queryctrl ci_v4l2_controls[] = {
51 	{
52 		.id = V4L2_CID_AUTO_WHITE_BALANCE,
53 		.type = V4L2_CTRL_TYPE_BOOLEAN,
54 		.name = "Automatic White Balance",
55 		.minimum = 0,
56 		.maximum = 1,
57 		.step = 1,
58 		.default_value = 0,
59 	},
60 	{
61 		.id = V4L2_CID_RED_BALANCE,
62 		.type = V4L2_CTRL_TYPE_INTEGER,
63 		.name = "Red Balance",
64 		.minimum = 0x00,
65 		.maximum = 0xff,
66 		.step = 1,
67 		.default_value = 0x00,
68 	},
69 	{
70 		.id = V4L2_CID_BLUE_BALANCE,
71 		.type = V4L2_CTRL_TYPE_INTEGER,
72 		.name = "Blue Balance",
73 		.minimum = 0x00,
74 		.maximum = 0xff,
75 		.step = 1,
76 		.default_value = 0x00,
77 	},
78 	{
79 		.id = V4L2_CID_GAMMA,
80 		.type = V4L2_CTRL_TYPE_INTEGER,
81 		.name = "Gamma",
82 		.minimum = 0x00,
83 		.maximum = 0xff,
84 		.step = 1,
85 		.default_value = 0x00,
86 	},
87 	{
88 		.id = V4L2_CID_POWER_LINE_FREQUENCY,
89 		.type = V4L2_CTRL_TYPE_MENU,
90 		.name = "Light frequency filter",
91 		.minimum = 1,
92 		.maximum = 2,
93 		.step = 1,
94 		.default_value = 1,
95 	},
96 	{
97 		.id = V4L2_CID_COLORFX,
98 		.type = V4L2_CTRL_TYPE_INTEGER,
99 		.name = "Image Color Effect",
100 		.minimum = 0,
101 		.maximum = 9,
102 		.step = 1,
103 		.default_value = 0,
104 	},
105 	{
106 		.id = V4L2_CID_COLORFX_CBCR,
107 		.type = V4L2_CTRL_TYPE_INTEGER,
108 		.name = "Image Color Effect CbCr",
109 		.minimum = 0,
110 		.maximum = 0xffff,
111 		.step = 1,
112 		.default_value = 0,
113 	},
114 	{
115 		.id = V4L2_CID_ATOMISP_BAD_PIXEL_DETECTION,
116 		.type = V4L2_CTRL_TYPE_INTEGER,
117 		.name = "Bad Pixel Correction",
118 		.minimum = 0,
119 		.maximum = 1,
120 		.step = 1,
121 		.default_value = 0,
122 	},
123 	{
124 		.id = V4L2_CID_ATOMISP_POSTPROCESS_GDC_CAC,
125 		.type = V4L2_CTRL_TYPE_INTEGER,
126 		.name = "GDC/CAC",
127 		.minimum = 0,
128 		.maximum = 1,
129 		.step = 1,
130 		.default_value = 0,
131 	},
132 	{
133 		.id = V4L2_CID_ATOMISP_VIDEO_STABLIZATION,
134 		.type = V4L2_CTRL_TYPE_INTEGER,
135 		.name = "Video Stablization",
136 		.minimum = 0,
137 		.maximum = 1,
138 		.step = 1,
139 		.default_value = 0,
140 	},
141 	{
142 		.id = V4L2_CID_ATOMISP_FIXED_PATTERN_NR,
143 		.type = V4L2_CTRL_TYPE_INTEGER,
144 		.name = "Fixed Pattern Noise Reduction",
145 		.minimum = 0,
146 		.maximum = 1,
147 		.step = 1,
148 		.default_value = 0,
149 	},
150 	{
151 		.id = V4L2_CID_ATOMISP_FALSE_COLOR_CORRECTION,
152 		.type = V4L2_CTRL_TYPE_INTEGER,
153 		.name = "False Color Correction",
154 		.minimum = 0,
155 		.maximum = 1,
156 		.step = 1,
157 		.default_value = 0,
158 	},
159 	{
160 		.id = V4L2_CID_REQUEST_FLASH,
161 		.type = V4L2_CTRL_TYPE_INTEGER,
162 		.name = "Request flash frames",
163 		.minimum = 0,
164 		.maximum = 10,
165 		.step = 1,
166 		.default_value = 1,
167 	},
168 	{
169 		.id = V4L2_CID_ATOMISP_LOW_LIGHT,
170 		.type = V4L2_CTRL_TYPE_BOOLEAN,
171 		.name = "Low light mode",
172 		.minimum = 0,
173 		.maximum = 1,
174 		.step = 1,
175 		.default_value = 1,
176 	},
177 	{
178 		.id = V4L2_CID_BIN_FACTOR_HORZ,
179 		.type = V4L2_CTRL_TYPE_INTEGER,
180 		.name = "Horizontal binning factor",
181 		.minimum = 0,
182 		.maximum = 10,
183 		.step = 1,
184 		.default_value = 0,
185 	},
186 	{
187 		.id = V4L2_CID_BIN_FACTOR_VERT,
188 		.type = V4L2_CTRL_TYPE_INTEGER,
189 		.name = "Vertical binning factor",
190 		.minimum = 0,
191 		.maximum = 10,
192 		.step = 1,
193 		.default_value = 0,
194 	},
195 	{
196 		.id = V4L2_CID_2A_STATUS,
197 		.type = V4L2_CTRL_TYPE_BITMASK,
198 		.name = "AE and AWB status",
199 		.minimum = 0,
200 		.maximum = V4L2_2A_STATUS_AE_READY | V4L2_2A_STATUS_AWB_READY,
201 		.step = 1,
202 		.default_value = 0,
203 	},
204 	{
205 		.id = V4L2_CID_EXPOSURE,
206 		.type = V4L2_CTRL_TYPE_INTEGER,
207 		.name = "exposure",
208 		.minimum = -4,
209 		.maximum = 4,
210 		.step = 1,
211 		.default_value = 0,
212 	},
213 	{
214 		.id = V4L2_CID_EXPOSURE_ZONE_NUM,
215 		.type = V4L2_CTRL_TYPE_INTEGER,
216 		.name = "one-time exposure zone number",
217 		.minimum = 0x0,
218 		.maximum = 0xffff,
219 		.step = 1,
220 		.default_value = 0,
221 	},
222 	{
223 		.id = V4L2_CID_EXPOSURE_AUTO_PRIORITY,
224 		.type = V4L2_CTRL_TYPE_INTEGER,
225 		.name = "Exposure auto priority",
226 		.minimum = V4L2_EXPOSURE_AUTO,
227 		.maximum = V4L2_EXPOSURE_APERTURE_PRIORITY,
228 		.step = 1,
229 		.default_value = V4L2_EXPOSURE_AUTO,
230 	},
231 	{
232 		.id = V4L2_CID_SCENE_MODE,
233 		.type = V4L2_CTRL_TYPE_INTEGER,
234 		.name = "scene mode",
235 		.minimum = 0,
236 		.maximum = 13,
237 		.step = 1,
238 		.default_value = 0,
239 	},
240 	{
241 		.id = V4L2_CID_ISO_SENSITIVITY,
242 		.type = V4L2_CTRL_TYPE_INTEGER,
243 		.name = "iso",
244 		.minimum = -4,
245 		.maximum = 4,
246 		.step = 1,
247 		.default_value = 0,
248 	},
249 	{
250 		.id = V4L2_CID_ISO_SENSITIVITY_AUTO,
251 		.type = V4L2_CTRL_TYPE_INTEGER,
252 		.name = "iso mode",
253 		.minimum = V4L2_ISO_SENSITIVITY_MANUAL,
254 		.maximum = V4L2_ISO_SENSITIVITY_AUTO,
255 		.step = 1,
256 		.default_value = V4L2_ISO_SENSITIVITY_AUTO,
257 	},
258 	{
259 		.id = V4L2_CID_AUTO_N_PRESET_WHITE_BALANCE,
260 		.type = V4L2_CTRL_TYPE_INTEGER,
261 		.name = "white balance",
262 		.minimum = 0,
263 		.maximum = 9,
264 		.step = 1,
265 		.default_value = 0,
266 	},
267 	{
268 		.id = V4L2_CID_EXPOSURE_METERING,
269 		.type = V4L2_CTRL_TYPE_MENU,
270 		.name = "metering",
271 		.minimum = 0,
272 		.maximum = 3,
273 		.step = 1,
274 		.default_value = 1,
275 	},
276 	{
277 		.id = V4L2_CID_3A_LOCK,
278 		.type = V4L2_CTRL_TYPE_BITMASK,
279 		.name = "3a lock",
280 		.minimum = 0,
281 		.maximum = V4L2_LOCK_EXPOSURE | V4L2_LOCK_WHITE_BALANCE
282 		| V4L2_LOCK_FOCUS,
283 		.step = 1,
284 		.default_value = 0,
285 	},
286 	{
287 		.id = V4L2_CID_TEST_PATTERN,
288 		.type = V4L2_CTRL_TYPE_INTEGER,
289 		.name = "Test Pattern",
290 		.minimum = 0,
291 		.maximum = 0xffff,
292 		.step = 1,
293 		.default_value = 0,
294 	},
295 	{
296 		.id = V4L2_CID_TEST_PATTERN_COLOR_R,
297 		.type = V4L2_CTRL_TYPE_INTEGER,
298 		.name = "Test Pattern Solid Color R",
299 		.minimum = INT_MIN,
300 		.maximum = INT_MAX,
301 		.step = 1,
302 		.default_value = 0,
303 	},
304 	{
305 		.id = V4L2_CID_TEST_PATTERN_COLOR_GR,
306 		.type = V4L2_CTRL_TYPE_INTEGER,
307 		.name = "Test Pattern Solid Color GR",
308 		.minimum = INT_MIN,
309 		.maximum = INT_MAX,
310 		.step = 1,
311 		.default_value = 0,
312 	},
313 	{
314 		.id = V4L2_CID_TEST_PATTERN_COLOR_GB,
315 		.type = V4L2_CTRL_TYPE_INTEGER,
316 		.name = "Test Pattern Solid Color GB",
317 		.minimum = INT_MIN,
318 		.maximum = INT_MAX,
319 		.step = 1,
320 		.default_value = 0,
321 	},
322 	{
323 		.id = V4L2_CID_TEST_PATTERN_COLOR_B,
324 		.type = V4L2_CTRL_TYPE_INTEGER,
325 		.name = "Test Pattern Solid Color B",
326 		.minimum = INT_MIN,
327 		.maximum = INT_MAX,
328 		.step = 1,
329 		.default_value = 0,
330 	},
331 };
332 
333 static const u32 ctrls_num = ARRAY_SIZE(ci_v4l2_controls);
334 
335 /*
336  * supported V4L2 fmts and resolutions
337  */
338 const struct atomisp_format_bridge atomisp_output_fmts[] = {
339 	{
340 		.pixelformat = V4L2_PIX_FMT_YUV420,
341 		.depth = 12,
342 		.mbus_code = V4L2_MBUS_FMT_CUSTOM_YUV420,
343 		.sh_fmt = IA_CSS_FRAME_FORMAT_YUV420,
344 		.description = "YUV420, planar",
345 		.planar = true
346 	}, {
347 		.pixelformat = V4L2_PIX_FMT_YVU420,
348 		.depth = 12,
349 		.mbus_code = V4L2_MBUS_FMT_CUSTOM_YVU420,
350 		.sh_fmt = IA_CSS_FRAME_FORMAT_YV12,
351 		.description = "YVU420, planar",
352 		.planar = true
353 	}, {
354 		.pixelformat = V4L2_PIX_FMT_YUV422P,
355 		.depth = 16,
356 		.mbus_code = V4L2_MBUS_FMT_CUSTOM_YUV422P,
357 		.sh_fmt = IA_CSS_FRAME_FORMAT_YUV422,
358 		.description = "YUV422, planar",
359 		.planar = true
360 	}, {
361 		.pixelformat = V4L2_PIX_FMT_YUV444,
362 		.depth = 24,
363 		.mbus_code = V4L2_MBUS_FMT_CUSTOM_YUV444,
364 		.sh_fmt = IA_CSS_FRAME_FORMAT_YUV444,
365 		.description = "YUV444"
366 	}, {
367 		.pixelformat = V4L2_PIX_FMT_NV12,
368 		.depth = 12,
369 		.mbus_code = V4L2_MBUS_FMT_CUSTOM_NV12,
370 		.sh_fmt = IA_CSS_FRAME_FORMAT_NV12,
371 		.description = "NV12, Y-plane, CbCr interleaved",
372 		.planar = true
373 	}, {
374 		.pixelformat = V4L2_PIX_FMT_NV21,
375 		.depth = 12,
376 		.mbus_code = V4L2_MBUS_FMT_CUSTOM_NV21,
377 		.sh_fmt = IA_CSS_FRAME_FORMAT_NV21,
378 		.description = "NV21, Y-plane, CbCr interleaved",
379 		.planar = true
380 	}, {
381 		.pixelformat = V4L2_PIX_FMT_NV16,
382 		.depth = 16,
383 		.mbus_code = V4L2_MBUS_FMT_CUSTOM_NV16,
384 		.sh_fmt = IA_CSS_FRAME_FORMAT_NV16,
385 		.description = "NV16, Y-plane, CbCr interleaved",
386 		.planar = true
387 	}, {
388 		.pixelformat = V4L2_PIX_FMT_YUYV,
389 		.depth = 16,
390 		.mbus_code = V4L2_MBUS_FMT_CUSTOM_YUYV,
391 		.sh_fmt = IA_CSS_FRAME_FORMAT_YUYV,
392 		.description = "YUYV, interleaved"
393 	}, {
394 		.pixelformat = V4L2_PIX_FMT_UYVY,
395 		.depth = 16,
396 		.mbus_code = MEDIA_BUS_FMT_UYVY8_1X16,
397 		.sh_fmt = IA_CSS_FRAME_FORMAT_UYVY,
398 		.description = "UYVY, interleaved"
399 	}, { /* This one is for parallel sensors! DO NOT USE! */
400 		.pixelformat = V4L2_PIX_FMT_UYVY,
401 		.depth = 16,
402 		.mbus_code = MEDIA_BUS_FMT_UYVY8_2X8,
403 		.sh_fmt = IA_CSS_FRAME_FORMAT_UYVY,
404 		.description = "UYVY, interleaved"
405 	}, {
406 		.pixelformat = V4L2_PIX_FMT_SBGGR16,
407 		.depth = 16,
408 		.mbus_code = V4L2_MBUS_FMT_CUSTOM_SBGGR16,
409 		.sh_fmt = IA_CSS_FRAME_FORMAT_RAW,
410 		.description = "Bayer 16"
411 	}, {
412 		.pixelformat = V4L2_PIX_FMT_SBGGR8,
413 		.depth = 8,
414 		.mbus_code = MEDIA_BUS_FMT_SBGGR8_1X8,
415 		.sh_fmt = IA_CSS_FRAME_FORMAT_RAW,
416 		.description = "Bayer 8"
417 	}, {
418 		.pixelformat = V4L2_PIX_FMT_SGBRG8,
419 		.depth = 8,
420 		.mbus_code = MEDIA_BUS_FMT_SGBRG8_1X8,
421 		.sh_fmt = IA_CSS_FRAME_FORMAT_RAW,
422 		.description = "Bayer 8"
423 	}, {
424 		.pixelformat = V4L2_PIX_FMT_SGRBG8,
425 		.depth = 8,
426 		.mbus_code = MEDIA_BUS_FMT_SGRBG8_1X8,
427 		.sh_fmt = IA_CSS_FRAME_FORMAT_RAW,
428 		.description = "Bayer 8"
429 	}, {
430 		.pixelformat = V4L2_PIX_FMT_SRGGB8,
431 		.depth = 8,
432 		.mbus_code = MEDIA_BUS_FMT_SRGGB8_1X8,
433 		.sh_fmt = IA_CSS_FRAME_FORMAT_RAW,
434 		.description = "Bayer 8"
435 	}, {
436 		.pixelformat = V4L2_PIX_FMT_SBGGR10,
437 		.depth = 16,
438 		.mbus_code = MEDIA_BUS_FMT_SBGGR10_1X10,
439 		.sh_fmt = IA_CSS_FRAME_FORMAT_RAW,
440 		.description = "Bayer 10"
441 	}, {
442 		.pixelformat = V4L2_PIX_FMT_SGBRG10,
443 		.depth = 16,
444 		.mbus_code = MEDIA_BUS_FMT_SGBRG10_1X10,
445 		.sh_fmt = IA_CSS_FRAME_FORMAT_RAW,
446 		.description = "Bayer 10"
447 	}, {
448 		.pixelformat = V4L2_PIX_FMT_SGRBG10,
449 		.depth = 16,
450 		.mbus_code = MEDIA_BUS_FMT_SGRBG10_1X10,
451 		.sh_fmt = IA_CSS_FRAME_FORMAT_RAW,
452 		.description = "Bayer 10"
453 	}, {
454 		.pixelformat = V4L2_PIX_FMT_SRGGB10,
455 		.depth = 16,
456 		.mbus_code = MEDIA_BUS_FMT_SRGGB10_1X10,
457 		.sh_fmt = IA_CSS_FRAME_FORMAT_RAW,
458 		.description = "Bayer 10"
459 	}, {
460 		.pixelformat = V4L2_PIX_FMT_SBGGR12,
461 		.depth = 16,
462 		.mbus_code = MEDIA_BUS_FMT_SBGGR12_1X12,
463 		.sh_fmt = IA_CSS_FRAME_FORMAT_RAW,
464 		.description = "Bayer 12"
465 	}, {
466 		.pixelformat = V4L2_PIX_FMT_SGBRG12,
467 		.depth = 16,
468 		.mbus_code = MEDIA_BUS_FMT_SGBRG12_1X12,
469 		.sh_fmt = IA_CSS_FRAME_FORMAT_RAW,
470 		.description = "Bayer 12"
471 	}, {
472 		.pixelformat = V4L2_PIX_FMT_SGRBG12,
473 		.depth = 16,
474 		.mbus_code = MEDIA_BUS_FMT_SGRBG12_1X12,
475 		.sh_fmt = IA_CSS_FRAME_FORMAT_RAW,
476 		.description = "Bayer 12"
477 	}, {
478 		.pixelformat = V4L2_PIX_FMT_SRGGB12,
479 		.depth = 16,
480 		.mbus_code = MEDIA_BUS_FMT_SRGGB12_1X12,
481 		.sh_fmt = IA_CSS_FRAME_FORMAT_RAW,
482 		.description = "Bayer 12"
483 	}, {
484 		.pixelformat = V4L2_PIX_FMT_RGB32,
485 		.depth = 32,
486 		.mbus_code = V4L2_MBUS_FMT_CUSTOM_RGB32,
487 		.sh_fmt = IA_CSS_FRAME_FORMAT_RGBA888,
488 		.description = "32 RGB 8-8-8-8"
489 	}, {
490 		.pixelformat = V4L2_PIX_FMT_RGB565,
491 		.depth = 16,
492 		.mbus_code = MEDIA_BUS_FMT_BGR565_2X8_LE,
493 		.sh_fmt = IA_CSS_FRAME_FORMAT_RGB565,
494 		.description = "16 RGB 5-6-5"
495 	}, {
496 		.pixelformat = V4L2_PIX_FMT_JPEG,
497 		.depth = 8,
498 		.mbus_code = MEDIA_BUS_FMT_JPEG_1X8,
499 		.sh_fmt = IA_CSS_FRAME_FORMAT_BINARY_8,
500 		.description = "JPEG"
501 	},
502 #if 0
503 	{
504 		/* This is a custom format being used by M10MO to send the RAW data */
505 		.pixelformat = V4L2_PIX_FMT_CUSTOM_M10MO_RAW,
506 		.depth = 8,
507 		.mbus_code = V4L2_MBUS_FMT_CUSTOM_M10MO_RAW,
508 		.sh_fmt = IA_CSS_FRAME_FORMAT_BINARY_8,
509 		.description = "Custom RAW for M10MO"
510 	},
511 #endif
512 };
513 
514 const struct atomisp_format_bridge *
515 atomisp_get_format_bridge(unsigned int pixelformat)
516 {
517 	unsigned int i;
518 
519 	for (i = 0; i < ARRAY_SIZE(atomisp_output_fmts); i++) {
520 		if (atomisp_output_fmts[i].pixelformat == pixelformat)
521 			return &atomisp_output_fmts[i];
522 	}
523 
524 	return NULL;
525 }
526 
527 const struct atomisp_format_bridge *
528 atomisp_get_format_bridge_from_mbus(u32 mbus_code)
529 {
530 	unsigned int i;
531 
532 	for (i = 0; i < ARRAY_SIZE(atomisp_output_fmts); i++) {
533 		if (mbus_code == atomisp_output_fmts[i].mbus_code)
534 			return &atomisp_output_fmts[i];
535 	}
536 
537 	return NULL;
538 }
539 
540 /*
541  * v4l2 ioctls
542  * return ISP capabilities
543  */
544 static int atomisp_querycap(struct file *file, void *fh,
545 			    struct v4l2_capability *cap)
546 {
547 	struct video_device *vdev = video_devdata(file);
548 	struct atomisp_device *isp = video_get_drvdata(vdev);
549 
550 	strscpy(cap->driver, DRIVER, sizeof(cap->driver));
551 	strscpy(cap->card, CARD, sizeof(cap->card));
552 	snprintf(cap->bus_info, sizeof(cap->bus_info), "PCI:%s", dev_name(isp->dev));
553 
554 	return 0;
555 }
556 
557 /*
558  * enum input are used to check primary/secondary camera
559  */
560 static int atomisp_enum_input(struct file *file, void *fh,
561 			      struct v4l2_input *input)
562 {
563 	struct video_device *vdev = video_devdata(file);
564 	struct atomisp_device *isp = video_get_drvdata(vdev);
565 	int index = input->index;
566 	struct v4l2_subdev *motor;
567 
568 	if (index >= isp->input_cnt)
569 		return -EINVAL;
570 
571 	if (!isp->inputs[index].camera)
572 		return -EINVAL;
573 
574 	memset(input, 0, sizeof(struct v4l2_input));
575 	strscpy(input->name, isp->inputs[index].camera->name,
576 		sizeof(input->name));
577 
578 	/*
579 	 * HACK: append actuator's name to sensor's
580 	 * As currently userspace can't talk directly to subdev nodes, this
581 	 * ioctl is the only way to enum inputs + possible external actuators
582 	 * for 3A tuning purpose.
583 	 */
584 	if (!IS_ISP2401)
585 		motor = isp->inputs[index].motor;
586 	else
587 		motor = isp->motor;
588 
589 	if (motor && strlen(motor->name) > 0) {
590 		const int cur_len = strlen(input->name);
591 		const int max_size = sizeof(input->name) - cur_len - 1;
592 
593 		if (max_size > 1) {
594 			input->name[cur_len] = '+';
595 			strscpy(&input->name[cur_len + 1],
596 				motor->name, max_size);
597 		}
598 	}
599 
600 	input->type = V4L2_INPUT_TYPE_CAMERA;
601 	input->index = index;
602 	input->reserved[0] = isp->inputs[index].type;
603 	input->reserved[1] = isp->inputs[index].port;
604 
605 	return 0;
606 }
607 
608 static unsigned int
609 atomisp_subdev_streaming_count(struct atomisp_sub_device *asd)
610 {
611 	return asd->video_out_preview.capq.streaming
612 	       + asd->video_out_capture.capq.streaming
613 	       + asd->video_out_video_capture.capq.streaming
614 	       + asd->video_out_vf.capq.streaming
615 	       + asd->video_in.capq.streaming;
616 }
617 
618 unsigned int atomisp_streaming_count(struct atomisp_device *isp)
619 {
620 	unsigned int i, sum;
621 
622 	for (i = 0, sum = 0; i < isp->num_of_streams; i++)
623 		sum += isp->asd[i].streaming ==
624 		       ATOMISP_DEVICE_STREAMING_ENABLED;
625 
626 	return sum;
627 }
628 
629 unsigned int atomisp_is_acc_enabled(struct atomisp_device *isp)
630 {
631 	unsigned int i;
632 
633 	for (i = 0; i < isp->num_of_streams; i++)
634 		if (isp->asd[i].acc.pipeline)
635 			return 1;
636 
637 	return 0;
638 }
639 
640 /*
641  * get input are used to get current primary/secondary camera
642  */
643 static int atomisp_g_input(struct file *file, void *fh, unsigned int *input)
644 {
645 	struct video_device *vdev = video_devdata(file);
646 	struct atomisp_device *isp = video_get_drvdata(vdev);
647 	struct atomisp_sub_device *asd = atomisp_to_video_pipe(vdev)->asd;
648 
649 	rt_mutex_lock(&isp->mutex);
650 	*input = asd->input_curr;
651 	rt_mutex_unlock(&isp->mutex);
652 
653 	return 0;
654 }
655 
656 /*
657  * set input are used to set current primary/secondary camera
658  */
659 static int atomisp_s_input(struct file *file, void *fh, unsigned int input)
660 {
661 	struct video_device *vdev = video_devdata(file);
662 	struct atomisp_device *isp = video_get_drvdata(vdev);
663 	struct atomisp_sub_device *asd = atomisp_to_video_pipe(vdev)->asd;
664 	struct v4l2_subdev *camera = NULL;
665 	struct v4l2_subdev *motor;
666 	int ret;
667 
668 	rt_mutex_lock(&isp->mutex);
669 	if (input >= ATOM_ISP_MAX_INPUTS || input >= isp->input_cnt) {
670 		dev_dbg(isp->dev, "input_cnt: %d\n", isp->input_cnt);
671 		ret = -EINVAL;
672 		goto error;
673 	}
674 
675 	/*
676 	 * check whether the request camera:
677 	 * 1: already in use
678 	 * 2: if in use, whether it is used by other streams
679 	 */
680 	if (isp->inputs[input].asd && isp->inputs[input].asd != asd) {
681 		dev_err(isp->dev,
682 			"%s, camera is already used by stream: %d\n", __func__,
683 			isp->inputs[input].asd->index);
684 		ret = -EBUSY;
685 		goto error;
686 	}
687 
688 	camera = isp->inputs[input].camera;
689 	if (!camera) {
690 		dev_err(isp->dev, "%s, no camera\n", __func__);
691 		ret = -EINVAL;
692 		goto error;
693 	}
694 
695 	if (atomisp_subdev_streaming_count(asd)) {
696 		dev_err(isp->dev,
697 			"ISP is still streaming, stop first\n");
698 		ret = -EINVAL;
699 		goto error;
700 	}
701 
702 	/* power off the current owned sensor, as it is not used this time */
703 	if (isp->inputs[asd->input_curr].asd == asd &&
704 	    asd->input_curr != input) {
705 		ret = v4l2_subdev_call(isp->inputs[asd->input_curr].camera,
706 				       core, s_power, 0);
707 		if (ret)
708 			dev_warn(isp->dev,
709 				 "Failed to power-off sensor\n");
710 		/* clear the asd field to show this camera is not used */
711 		isp->inputs[asd->input_curr].asd = NULL;
712 	}
713 
714 	/* powe on the new sensor */
715 	ret = v4l2_subdev_call(isp->inputs[input].camera, core, s_power, 1);
716 	if (ret) {
717 		dev_err(isp->dev, "Failed to power-on sensor\n");
718 		goto error;
719 	}
720 	/*
721 	 * Some sensor driver resets the run mode during power-on, thus force
722 	 * update the run mode to sensor after power-on.
723 	 */
724 	atomisp_update_run_mode(asd);
725 
726 	/* select operating sensor */
727 	ret = v4l2_subdev_call(isp->inputs[input].camera, video, s_routing,
728 			       0, isp->inputs[input].sensor_index, 0);
729 	if (ret && (ret != -ENOIOCTLCMD)) {
730 		dev_err(isp->dev, "Failed to select sensor\n");
731 		goto error;
732 	}
733 
734 	if (!IS_ISP2401) {
735 		motor = isp->inputs[input].motor;
736 	} else {
737 		motor = isp->motor;
738 		if (motor)
739 			ret = v4l2_subdev_call(motor, core, s_power, 1);
740 	}
741 
742 	if (!isp->sw_contex.file_input && motor)
743 		ret = v4l2_subdev_call(motor, core, init, 1);
744 
745 	asd->input_curr = input;
746 	/* mark this camera is used by the current stream */
747 	isp->inputs[input].asd = asd;
748 	rt_mutex_unlock(&isp->mutex);
749 
750 	return 0;
751 
752 error:
753 	rt_mutex_unlock(&isp->mutex);
754 
755 	return ret;
756 }
757 
758 static int atomisp_enum_fmt_cap(struct file *file, void *fh,
759 				struct v4l2_fmtdesc *f)
760 {
761 	struct video_device *vdev = video_devdata(file);
762 	struct atomisp_device *isp = video_get_drvdata(vdev);
763 	struct atomisp_sub_device *asd = atomisp_to_video_pipe(vdev)->asd;
764 	struct v4l2_subdev_mbus_code_enum code = { 0 };
765 	unsigned int i, fi = 0;
766 	int rval;
767 
768 	rt_mutex_lock(&isp->mutex);
769 	rval = v4l2_subdev_call(isp->inputs[asd->input_curr].camera, pad,
770 				enum_mbus_code, NULL, &code);
771 	if (rval == -ENOIOCTLCMD) {
772 		dev_warn(isp->dev,
773 			 "enum_mbus_code pad op not supported. Please fix your sensor driver!\n");
774 		//	rval = v4l2_subdev_call(isp->inputs[asd->input_curr].camera,
775 		//				video, enum_mbus_fmt, 0, &code.code);
776 	}
777 	rt_mutex_unlock(&isp->mutex);
778 
779 	if (rval)
780 		return rval;
781 
782 	for (i = 0; i < ARRAY_SIZE(atomisp_output_fmts); i++) {
783 		const struct atomisp_format_bridge *format =
784 			    &atomisp_output_fmts[i];
785 
786 		/*
787 		 * Is the atomisp-supported format is valid for the
788 		 * sensor (configuration)? If not, skip it.
789 		 */
790 		if (format->sh_fmt == IA_CSS_FRAME_FORMAT_RAW
791 		    && format->mbus_code != code.code)
792 			continue;
793 
794 		/* Found a match. Now let's pick f->index'th one. */
795 		if (fi < f->index) {
796 			fi++;
797 			continue;
798 		}
799 
800 		strscpy(f->description, format->description,
801 			sizeof(f->description));
802 		f->pixelformat = format->pixelformat;
803 		return 0;
804 	}
805 
806 	return -EINVAL;
807 }
808 
809 static int atomisp_g_fmt_cap(struct file *file, void *fh,
810 			     struct v4l2_format *f)
811 {
812 	struct video_device *vdev = video_devdata(file);
813 	struct atomisp_device *isp = video_get_drvdata(vdev);
814 
815 	int ret;
816 
817 	rt_mutex_lock(&isp->mutex);
818 	ret = atomisp_get_fmt(vdev, f);
819 	rt_mutex_unlock(&isp->mutex);
820 	return ret;
821 }
822 
823 static int atomisp_g_fmt_file(struct file *file, void *fh,
824 			      struct v4l2_format *f)
825 {
826 	struct video_device *vdev = video_devdata(file);
827 	struct atomisp_device *isp = video_get_drvdata(vdev);
828 	struct atomisp_video_pipe *pipe = atomisp_to_video_pipe(vdev);
829 
830 	rt_mutex_lock(&isp->mutex);
831 	f->fmt.pix = pipe->pix;
832 	rt_mutex_unlock(&isp->mutex);
833 
834 	return 0;
835 }
836 
837 /* This function looks up the closest available resolution. */
838 static int atomisp_try_fmt_cap(struct file *file, void *fh,
839 			       struct v4l2_format *f)
840 {
841 	struct video_device *vdev = video_devdata(file);
842 	struct atomisp_device *isp = video_get_drvdata(vdev);
843 	int ret;
844 
845 	rt_mutex_lock(&isp->mutex);
846 	ret = atomisp_try_fmt(vdev, f, NULL);
847 	rt_mutex_unlock(&isp->mutex);
848 	return ret;
849 }
850 
851 static int atomisp_s_fmt_cap(struct file *file, void *fh,
852 			     struct v4l2_format *f)
853 {
854 	struct video_device *vdev = video_devdata(file);
855 	struct atomisp_device *isp = video_get_drvdata(vdev);
856 	int ret;
857 
858 	rt_mutex_lock(&isp->mutex);
859 	if (isp->isp_fatal_error) {
860 		ret = -EIO;
861 		rt_mutex_unlock(&isp->mutex);
862 		return ret;
863 	}
864 	ret = atomisp_set_fmt(vdev, f);
865 	rt_mutex_unlock(&isp->mutex);
866 	return ret;
867 }
868 
869 static int atomisp_s_fmt_file(struct file *file, void *fh,
870 			      struct v4l2_format *f)
871 {
872 	struct video_device *vdev = video_devdata(file);
873 	struct atomisp_device *isp = video_get_drvdata(vdev);
874 	int ret;
875 
876 	rt_mutex_lock(&isp->mutex);
877 	ret = atomisp_set_fmt_file(vdev, f);
878 	rt_mutex_unlock(&isp->mutex);
879 	return ret;
880 }
881 
882 /*
883  * Free videobuffer buffer priv data
884  */
885 void atomisp_videobuf_free_buf(struct videobuf_buffer *vb)
886 {
887 	struct videobuf_vmalloc_memory *vm_mem;
888 
889 	if (!vb)
890 		return;
891 
892 	vm_mem = vb->priv;
893 	if (vm_mem && vm_mem->vaddr) {
894 		ia_css_frame_free(vm_mem->vaddr);
895 		vm_mem->vaddr = NULL;
896 	}
897 }
898 
899 /*
900  * this function is used to free video buffer queue
901  */
902 static void atomisp_videobuf_free_queue(struct videobuf_queue *q)
903 {
904 	int i;
905 
906 	for (i = 0; i < VIDEO_MAX_FRAME; i++) {
907 		atomisp_videobuf_free_buf(q->bufs[i]);
908 		kfree(q->bufs[i]);
909 		q->bufs[i] = NULL;
910 	}
911 }
912 
913 int atomisp_alloc_css_stat_bufs(struct atomisp_sub_device *asd,
914 				uint16_t stream_id)
915 {
916 	struct atomisp_device *isp = asd->isp;
917 	struct atomisp_s3a_buf *s3a_buf = NULL, *_s3a_buf;
918 	struct atomisp_dis_buf *dis_buf = NULL, *_dis_buf;
919 	struct atomisp_metadata_buf *md_buf = NULL, *_md_buf;
920 	int count;
921 	struct ia_css_dvs_grid_info *dvs_grid_info =
922 	    atomisp_css_get_dvs_grid_info(&asd->params.curr_grid_info);
923 	unsigned int i;
924 
925 	if (list_empty(&asd->s3a_stats) &&
926 	    asd->params.curr_grid_info.s3a_grid.enable) {
927 		count = ATOMISP_CSS_Q_DEPTH +
928 			ATOMISP_S3A_BUF_QUEUE_DEPTH_FOR_HAL;
929 		dev_dbg(isp->dev, "allocating %d 3a buffers\n", count);
930 		while (count--) {
931 			s3a_buf = kzalloc(sizeof(struct atomisp_s3a_buf), GFP_KERNEL);
932 			if (!s3a_buf)
933 				goto error;
934 
935 			if (atomisp_css_allocate_stat_buffers(
936 				asd, stream_id, s3a_buf, NULL, NULL)) {
937 				kfree(s3a_buf);
938 				goto error;
939 			}
940 
941 			list_add_tail(&s3a_buf->list, &asd->s3a_stats);
942 		}
943 	}
944 
945 	if (list_empty(&asd->dis_stats) && dvs_grid_info &&
946 	    dvs_grid_info->enable) {
947 		count = ATOMISP_CSS_Q_DEPTH + 1;
948 		dev_dbg(isp->dev, "allocating %d dis buffers\n", count);
949 		while (count--) {
950 			dis_buf = kzalloc(sizeof(struct atomisp_dis_buf), GFP_KERNEL);
951 			if (!dis_buf) {
952 				kfree(s3a_buf);
953 				goto error;
954 			}
955 			if (atomisp_css_allocate_stat_buffers(
956 				asd, stream_id, NULL, dis_buf, NULL)) {
957 				kfree(dis_buf);
958 				goto error;
959 			}
960 
961 			list_add_tail(&dis_buf->list, &asd->dis_stats);
962 		}
963 	}
964 
965 	for (i = 0; i < ATOMISP_METADATA_TYPE_NUM; i++) {
966 		if (list_empty(&asd->metadata[i]) &&
967 		    list_empty(&asd->metadata_ready[i]) &&
968 		    list_empty(&asd->metadata_in_css[i])) {
969 			count = ATOMISP_CSS_Q_DEPTH +
970 				ATOMISP_METADATA_QUEUE_DEPTH_FOR_HAL;
971 			dev_dbg(isp->dev, "allocating %d metadata buffers for type %d\n",
972 				count, i);
973 			while (count--) {
974 				md_buf = kzalloc(sizeof(struct atomisp_metadata_buf),
975 						 GFP_KERNEL);
976 				if (!md_buf)
977 					goto error;
978 
979 				if (atomisp_css_allocate_stat_buffers(
980 					asd, stream_id, NULL, NULL, md_buf)) {
981 					kfree(md_buf);
982 					goto error;
983 				}
984 				list_add_tail(&md_buf->list, &asd->metadata[i]);
985 			}
986 		}
987 	}
988 	return 0;
989 
990 error:
991 	dev_err(isp->dev, "failed to allocate statistics buffers\n");
992 
993 	list_for_each_entry_safe(dis_buf, _dis_buf, &asd->dis_stats, list) {
994 		atomisp_css_free_dis_buffer(dis_buf);
995 		list_del(&dis_buf->list);
996 		kfree(dis_buf);
997 	}
998 
999 	list_for_each_entry_safe(s3a_buf, _s3a_buf, &asd->s3a_stats, list) {
1000 		atomisp_css_free_3a_buffer(s3a_buf);
1001 		list_del(&s3a_buf->list);
1002 		kfree(s3a_buf);
1003 	}
1004 
1005 	for (i = 0; i < ATOMISP_METADATA_TYPE_NUM; i++) {
1006 		list_for_each_entry_safe(md_buf, _md_buf, &asd->metadata[i],
1007 					 list) {
1008 			atomisp_css_free_metadata_buffer(md_buf);
1009 			list_del(&md_buf->list);
1010 			kfree(md_buf);
1011 		}
1012 	}
1013 	return -ENOMEM;
1014 }
1015 
1016 /*
1017  * Initiate Memory Mapping or User Pointer I/O
1018  */
1019 int __atomisp_reqbufs(struct file *file, void *fh,
1020 		      struct v4l2_requestbuffers *req)
1021 {
1022 	struct video_device *vdev = video_devdata(file);
1023 	struct atomisp_video_pipe *pipe = atomisp_to_video_pipe(vdev);
1024 	struct atomisp_sub_device *asd = pipe->asd;
1025 	struct ia_css_frame_info frame_info;
1026 	struct ia_css_frame *frame;
1027 	struct videobuf_vmalloc_memory *vm_mem;
1028 	u16 source_pad = atomisp_subdev_source_pad(vdev);
1029 	u16 stream_id = atomisp_source_pad_to_stream_id(asd, source_pad);
1030 	int ret = 0, i = 0;
1031 
1032 	if (req->count == 0) {
1033 		mutex_lock(&pipe->capq.vb_lock);
1034 		if (!list_empty(&pipe->capq.stream))
1035 			videobuf_queue_cancel(&pipe->capq);
1036 
1037 		atomisp_videobuf_free_queue(&pipe->capq);
1038 		mutex_unlock(&pipe->capq.vb_lock);
1039 		/* clear request config id */
1040 		memset(pipe->frame_request_config_id, 0,
1041 		       VIDEO_MAX_FRAME * sizeof(unsigned int));
1042 		memset(pipe->frame_params, 0,
1043 		       VIDEO_MAX_FRAME *
1044 		       sizeof(struct atomisp_css_params_with_list *));
1045 		return 0;
1046 	}
1047 
1048 	ret = videobuf_reqbufs(&pipe->capq, req);
1049 	if (ret)
1050 		return ret;
1051 
1052 	atomisp_alloc_css_stat_bufs(asd, stream_id);
1053 
1054 	/*
1055 	 * for user pointer type, buffers are not really allocated here,
1056 	 * buffers are setup in QBUF operation through v4l2_buffer structure
1057 	 */
1058 	if (req->memory == V4L2_MEMORY_USERPTR)
1059 		return 0;
1060 
1061 	ret = atomisp_get_css_frame_info(asd, source_pad, &frame_info);
1062 	if (ret)
1063 		return ret;
1064 
1065 	/*
1066 	 * Allocate the real frame here for selected node using our
1067 	 * memory management function
1068 	 */
1069 	for (i = 0; i < req->count; i++) {
1070 		if (ia_css_frame_allocate_from_info(&frame, &frame_info))
1071 			goto error;
1072 		vm_mem = pipe->capq.bufs[i]->priv;
1073 		vm_mem->vaddr = frame;
1074 	}
1075 
1076 	return ret;
1077 
1078 error:
1079 	while (i--) {
1080 		vm_mem = pipe->capq.bufs[i]->priv;
1081 		ia_css_frame_free(vm_mem->vaddr);
1082 	}
1083 
1084 	if (asd->vf_frame)
1085 		ia_css_frame_free(asd->vf_frame);
1086 
1087 	return -ENOMEM;
1088 }
1089 
1090 int atomisp_reqbufs(struct file *file, void *fh,
1091 		    struct v4l2_requestbuffers *req)
1092 {
1093 	struct video_device *vdev = video_devdata(file);
1094 	struct atomisp_device *isp = video_get_drvdata(vdev);
1095 	int ret;
1096 
1097 	rt_mutex_lock(&isp->mutex);
1098 	ret = __atomisp_reqbufs(file, fh, req);
1099 	rt_mutex_unlock(&isp->mutex);
1100 
1101 	return ret;
1102 }
1103 
1104 static int atomisp_reqbufs_file(struct file *file, void *fh,
1105 				struct v4l2_requestbuffers *req)
1106 {
1107 	struct video_device *vdev = video_devdata(file);
1108 	struct atomisp_video_pipe *pipe = atomisp_to_video_pipe(vdev);
1109 
1110 	if (req->count == 0) {
1111 		mutex_lock(&pipe->outq.vb_lock);
1112 		atomisp_videobuf_free_queue(&pipe->outq);
1113 		mutex_unlock(&pipe->outq.vb_lock);
1114 		return 0;
1115 	}
1116 
1117 	return videobuf_reqbufs(&pipe->outq, req);
1118 }
1119 
1120 /* application query the status of a buffer */
1121 static int atomisp_querybuf(struct file *file, void *fh,
1122 			    struct v4l2_buffer *buf)
1123 {
1124 	struct video_device *vdev = video_devdata(file);
1125 	struct atomisp_video_pipe *pipe = atomisp_to_video_pipe(vdev);
1126 
1127 	return videobuf_querybuf(&pipe->capq, buf);
1128 }
1129 
1130 static int atomisp_querybuf_file(struct file *file, void *fh,
1131 				 struct v4l2_buffer *buf)
1132 {
1133 	struct video_device *vdev = video_devdata(file);
1134 	struct atomisp_video_pipe *pipe = atomisp_to_video_pipe(vdev);
1135 
1136 	return videobuf_querybuf(&pipe->outq, buf);
1137 }
1138 
1139 /*
1140  * Applications call the VIDIOC_QBUF ioctl to enqueue an empty (capturing) or
1141  * filled (output) buffer in the drivers incoming queue.
1142  */
1143 static int atomisp_qbuf(struct file *file, void *fh, struct v4l2_buffer *buf)
1144 {
1145 	static const int NOFLUSH_FLAGS = V4L2_BUF_FLAG_NO_CACHE_INVALIDATE |
1146 					 V4L2_BUF_FLAG_NO_CACHE_CLEAN;
1147 	struct video_device *vdev = video_devdata(file);
1148 	struct atomisp_device *isp = video_get_drvdata(vdev);
1149 	struct atomisp_video_pipe *pipe = atomisp_to_video_pipe(vdev);
1150 	struct atomisp_sub_device *asd = pipe->asd;
1151 	struct videobuf_buffer *vb;
1152 	struct videobuf_vmalloc_memory *vm_mem;
1153 	struct ia_css_frame_info frame_info;
1154 	struct ia_css_frame *handle = NULL;
1155 	u32 length;
1156 	u32 pgnr;
1157 	int ret = 0;
1158 
1159 	rt_mutex_lock(&isp->mutex);
1160 	if (isp->isp_fatal_error) {
1161 		ret = -EIO;
1162 		goto error;
1163 	}
1164 
1165 	if (asd->streaming == ATOMISP_DEVICE_STREAMING_STOPPING) {
1166 		dev_err(isp->dev, "%s: reject, as ISP at stopping.\n",
1167 			__func__);
1168 		ret = -EIO;
1169 		goto error;
1170 	}
1171 
1172 	if (!buf || buf->index >= VIDEO_MAX_FRAME ||
1173 	    !pipe->capq.bufs[buf->index]) {
1174 		dev_err(isp->dev, "Invalid index for qbuf.\n");
1175 		ret = -EINVAL;
1176 		goto error;
1177 	}
1178 
1179 	/*
1180 	 * For userptr type frame, we convert user space address to physic
1181 	 * address and reprograme out page table properly
1182 	 */
1183 	if (buf->memory == V4L2_MEMORY_USERPTR) {
1184 		vb = pipe->capq.bufs[buf->index];
1185 		vm_mem = vb->priv;
1186 		if (!vm_mem) {
1187 			ret = -EINVAL;
1188 			goto error;
1189 		}
1190 
1191 		length = vb->bsize;
1192 		pgnr = (length + (PAGE_SIZE - 1)) >> PAGE_SHIFT;
1193 
1194 		if (vb->baddr == buf->m.userptr && vm_mem->vaddr)
1195 			goto done;
1196 
1197 		if (atomisp_get_css_frame_info(asd,
1198 					       atomisp_subdev_source_pad(vdev), &frame_info)) {
1199 			ret = -EIO;
1200 			goto error;
1201 		}
1202 
1203 		ret = ia_css_frame_map(&handle, &frame_info,
1204 					    (void __user *)buf->m.userptr,
1205 					    0, pgnr);
1206 		if (ret) {
1207 			dev_err(isp->dev, "Failed to map user buffer\n");
1208 			goto error;
1209 		}
1210 
1211 		if (vm_mem->vaddr) {
1212 			mutex_lock(&pipe->capq.vb_lock);
1213 			ia_css_frame_free(vm_mem->vaddr);
1214 			vm_mem->vaddr = NULL;
1215 			vb->state = VIDEOBUF_NEEDS_INIT;
1216 			mutex_unlock(&pipe->capq.vb_lock);
1217 		}
1218 
1219 		vm_mem->vaddr = handle;
1220 
1221 		buf->flags &= ~V4L2_BUF_FLAG_MAPPED;
1222 		buf->flags |= V4L2_BUF_FLAG_QUEUED;
1223 		buf->flags &= ~V4L2_BUF_FLAG_DONE;
1224 	} else if (buf->memory == V4L2_MEMORY_MMAP) {
1225 		buf->flags |= V4L2_BUF_FLAG_MAPPED;
1226 		buf->flags |= V4L2_BUF_FLAG_QUEUED;
1227 		buf->flags &= ~V4L2_BUF_FLAG_DONE;
1228 
1229 		/*
1230 		 * For mmap, frames were allocated at request buffers
1231 		 */
1232 	}
1233 
1234 done:
1235 	if (!((buf->flags & NOFLUSH_FLAGS) == NOFLUSH_FLAGS))
1236 		wbinvd();
1237 
1238 	if (!atomisp_is_vf_pipe(pipe) &&
1239 	    (buf->reserved2 & ATOMISP_BUFFER_HAS_PER_FRAME_SETTING)) {
1240 		/* this buffer will have a per-frame parameter */
1241 		pipe->frame_request_config_id[buf->index] = buf->reserved2 &
1242 			~ATOMISP_BUFFER_HAS_PER_FRAME_SETTING;
1243 		dev_dbg(isp->dev,
1244 			"This buffer requires per_frame setting which has isp_config_id %d\n",
1245 			pipe->frame_request_config_id[buf->index]);
1246 	} else {
1247 		pipe->frame_request_config_id[buf->index] = 0;
1248 	}
1249 
1250 	pipe->frame_params[buf->index] = NULL;
1251 
1252 	rt_mutex_unlock(&isp->mutex);
1253 
1254 	ret = videobuf_qbuf(&pipe->capq, buf);
1255 	rt_mutex_lock(&isp->mutex);
1256 	if (ret)
1257 		goto error;
1258 
1259 	/* TODO: do this better, not best way to queue to css */
1260 	if (asd->streaming == ATOMISP_DEVICE_STREAMING_ENABLED) {
1261 		if (!list_empty(&pipe->buffers_waiting_for_param)) {
1262 			atomisp_handle_parameter_and_buffer(pipe);
1263 		} else {
1264 			atomisp_qbuffers_to_css(asd);
1265 
1266 			if (!IS_ISP2401) {
1267 				if (!atomisp_is_wdt_running(asd) && atomisp_buffers_queued(asd))
1268 					atomisp_wdt_start(asd);
1269 			} else {
1270 				if (!atomisp_is_wdt_running(pipe) &&
1271 				    atomisp_buffers_queued_pipe(pipe))
1272 					atomisp_wdt_start_pipe(pipe);
1273 			}
1274 		}
1275 	}
1276 
1277 	/*
1278 	 * Workaround: Due to the design of HALv3,
1279 	 * sometimes in ZSL or SDV mode HAL needs to
1280 	 * capture multiple images within one streaming cycle.
1281 	 * But the capture number cannot be determined by HAL.
1282 	 * So HAL only sets the capture number to be 1 and queue multiple
1283 	 * buffers. Atomisp driver needs to check this case and re-trigger
1284 	 * CSS to do capture when new buffer is queued.
1285 	 */
1286 	if (asd->continuous_mode->val &&
1287 	    atomisp_subdev_source_pad(vdev)
1288 	    == ATOMISP_SUBDEV_PAD_SOURCE_CAPTURE &&
1289 	    pipe->capq.streaming &&
1290 	    !asd->enable_raw_buffer_lock->val &&
1291 	    asd->params.offline_parm.num_captures == 1) {
1292 		if (!IS_ISP2401) {
1293 			asd->pending_capture_request++;
1294 			dev_dbg(isp->dev, "Add one pending capture request.\n");
1295 		} else {
1296 			if (asd->re_trigger_capture) {
1297 				ret = atomisp_css_offline_capture_configure(asd,
1298 					asd->params.offline_parm.num_captures,
1299 					asd->params.offline_parm.skip_frames,
1300 					asd->params.offline_parm.offset);
1301 				asd->re_trigger_capture = false;
1302 				dev_dbg(isp->dev, "%s Trigger capture again ret=%d\n",
1303 					__func__, ret);
1304 
1305 			} else {
1306 				asd->pending_capture_request++;
1307 				asd->re_trigger_capture = false;
1308 				dev_dbg(isp->dev, "Add one pending capture request.\n");
1309 			}
1310 		}
1311 	}
1312 	rt_mutex_unlock(&isp->mutex);
1313 
1314 	dev_dbg(isp->dev, "qbuf buffer %d (%s) for asd%d\n", buf->index,
1315 		vdev->name, asd->index);
1316 
1317 	return ret;
1318 
1319 error:
1320 	rt_mutex_unlock(&isp->mutex);
1321 	return ret;
1322 }
1323 
1324 static int atomisp_qbuf_file(struct file *file, void *fh,
1325 			     struct v4l2_buffer *buf)
1326 {
1327 	struct video_device *vdev = video_devdata(file);
1328 	struct atomisp_device *isp = video_get_drvdata(vdev);
1329 	struct atomisp_video_pipe *pipe = atomisp_to_video_pipe(vdev);
1330 	int ret;
1331 
1332 	rt_mutex_lock(&isp->mutex);
1333 	if (isp->isp_fatal_error) {
1334 		ret = -EIO;
1335 		goto error;
1336 	}
1337 
1338 	if (!buf || buf->index >= VIDEO_MAX_FRAME ||
1339 	    !pipe->outq.bufs[buf->index]) {
1340 		dev_err(isp->dev, "Invalid index for qbuf.\n");
1341 		ret = -EINVAL;
1342 		goto error;
1343 	}
1344 
1345 	if (buf->memory != V4L2_MEMORY_MMAP) {
1346 		dev_err(isp->dev, "Unsupported memory method\n");
1347 		ret = -EINVAL;
1348 		goto error;
1349 	}
1350 
1351 	if (buf->type != V4L2_BUF_TYPE_VIDEO_OUTPUT) {
1352 		dev_err(isp->dev, "Unsupported buffer type\n");
1353 		ret = -EINVAL;
1354 		goto error;
1355 	}
1356 	rt_mutex_unlock(&isp->mutex);
1357 
1358 	return videobuf_qbuf(&pipe->outq, buf);
1359 
1360 error:
1361 	rt_mutex_unlock(&isp->mutex);
1362 
1363 	return ret;
1364 }
1365 
1366 static int __get_frame_exp_id(struct atomisp_video_pipe *pipe,
1367 			      struct v4l2_buffer *buf)
1368 {
1369 	struct videobuf_vmalloc_memory *vm_mem;
1370 	struct ia_css_frame *handle;
1371 	int i;
1372 
1373 	for (i = 0; pipe->capq.bufs[i]; i++) {
1374 		vm_mem = pipe->capq.bufs[i]->priv;
1375 		handle = vm_mem->vaddr;
1376 		if (buf->index == pipe->capq.bufs[i]->i && handle)
1377 			return handle->exp_id;
1378 	}
1379 	return -EINVAL;
1380 }
1381 
1382 /*
1383  * Applications call the VIDIOC_DQBUF ioctl to dequeue a filled (capturing) or
1384  * displayed (output buffer)from the driver's outgoing queue
1385  */
1386 static int atomisp_dqbuf(struct file *file, void *fh, struct v4l2_buffer *buf)
1387 {
1388 	struct video_device *vdev = video_devdata(file);
1389 	struct atomisp_video_pipe *pipe = atomisp_to_video_pipe(vdev);
1390 	struct atomisp_sub_device *asd = pipe->asd;
1391 	struct atomisp_device *isp = video_get_drvdata(vdev);
1392 	int ret = 0;
1393 
1394 	rt_mutex_lock(&isp->mutex);
1395 
1396 	if (isp->isp_fatal_error) {
1397 		rt_mutex_unlock(&isp->mutex);
1398 		return -EIO;
1399 	}
1400 
1401 	if (asd->streaming == ATOMISP_DEVICE_STREAMING_STOPPING) {
1402 		rt_mutex_unlock(&isp->mutex);
1403 		dev_err(isp->dev, "%s: reject, as ISP at stopping.\n",
1404 			__func__);
1405 		return -EIO;
1406 	}
1407 
1408 	rt_mutex_unlock(&isp->mutex);
1409 
1410 	ret = videobuf_dqbuf(&pipe->capq, buf, file->f_flags & O_NONBLOCK);
1411 	if (ret) {
1412 		if (ret != -EAGAIN)
1413 			dev_dbg(isp->dev, "<%s: %d\n", __func__, ret);
1414 		return ret;
1415 	}
1416 	rt_mutex_lock(&isp->mutex);
1417 	buf->bytesused = pipe->pix.sizeimage;
1418 	buf->reserved = asd->frame_status[buf->index];
1419 
1420 	/*
1421 	 * Hack:
1422 	 * Currently frame_status in the enum type which takes no more lower
1423 	 * 8 bit.
1424 	 * use bit[31:16] for exp_id as it is only in the range of 1~255
1425 	 */
1426 	buf->reserved &= 0x0000ffff;
1427 	if (!(buf->flags & V4L2_BUF_FLAG_ERROR))
1428 		buf->reserved |= __get_frame_exp_id(pipe, buf) << 16;
1429 	buf->reserved2 = pipe->frame_config_id[buf->index];
1430 	rt_mutex_unlock(&isp->mutex);
1431 
1432 	dev_dbg(isp->dev,
1433 		"dqbuf buffer %d (%s) for asd%d with exp_id %d, isp_config_id %d\n",
1434 		buf->index, vdev->name, asd->index, buf->reserved >> 16,
1435 		buf->reserved2);
1436 	return 0;
1437 }
1438 
1439 enum ia_css_pipe_id atomisp_get_css_pipe_id(struct atomisp_sub_device *asd)
1440 {
1441 	if (ATOMISP_USE_YUVPP(asd))
1442 		return IA_CSS_PIPE_ID_YUVPP;
1443 
1444 	if (asd->continuous_mode->val) {
1445 		if (asd->run_mode->val == ATOMISP_RUN_MODE_VIDEO)
1446 			return IA_CSS_PIPE_ID_VIDEO;
1447 		else
1448 			return IA_CSS_PIPE_ID_PREVIEW;
1449 	}
1450 
1451 	/*
1452 	 * Disable vf_pp and run CSS in video mode. This allows using ISP
1453 	 * scaling but it has one frame delay due to CSS internal buffering.
1454 	 */
1455 	if (asd->vfpp->val == ATOMISP_VFPP_DISABLE_SCALER)
1456 		return IA_CSS_PIPE_ID_VIDEO;
1457 
1458 	/*
1459 	 * Disable vf_pp and run CSS in still capture mode. In this mode
1460 	 * CSS does not cause extra latency with buffering, but scaling
1461 	 * is not available.
1462 	 */
1463 	if (asd->vfpp->val == ATOMISP_VFPP_DISABLE_LOWLAT)
1464 		return IA_CSS_PIPE_ID_CAPTURE;
1465 
1466 	switch (asd->run_mode->val) {
1467 	case ATOMISP_RUN_MODE_PREVIEW:
1468 		return IA_CSS_PIPE_ID_PREVIEW;
1469 	case ATOMISP_RUN_MODE_VIDEO:
1470 		return IA_CSS_PIPE_ID_VIDEO;
1471 	case ATOMISP_RUN_MODE_STILL_CAPTURE:
1472 	default:
1473 		return IA_CSS_PIPE_ID_CAPTURE;
1474 	}
1475 }
1476 
1477 static unsigned int atomisp_sensor_start_stream(struct atomisp_sub_device *asd)
1478 {
1479 	struct atomisp_device *isp = asd->isp;
1480 
1481 	if (isp->inputs[asd->input_curr].camera_caps->
1482 	    sensor[asd->sensor_curr].stream_num > 1) {
1483 		if (asd->high_speed_mode)
1484 			return 1;
1485 		else
1486 			return 2;
1487 	}
1488 
1489 	if (asd->vfpp->val != ATOMISP_VFPP_ENABLE ||
1490 	    asd->copy_mode)
1491 		return 1;
1492 
1493 	if (asd->run_mode->val == ATOMISP_RUN_MODE_VIDEO ||
1494 	    (asd->run_mode->val == ATOMISP_RUN_MODE_STILL_CAPTURE &&
1495 	     !atomisp_is_mbuscode_raw(
1496 		 asd->fmt[
1497 		  asd->capture_pad].fmt.code) &&
1498 	     !asd->continuous_mode->val))
1499 		return 2;
1500 	else
1501 		return 1;
1502 }
1503 
1504 int atomisp_stream_on_master_slave_sensor(struct atomisp_device *isp,
1505 	bool isp_timeout)
1506 {
1507 	unsigned int master = -1, slave = -1, delay_slave = 0;
1508 	int i, ret;
1509 
1510 	/*
1511 	 * ISP only support 2 streams now so ignore multiple master/slave
1512 	 * case to reduce the delay between 2 stream_on calls.
1513 	 */
1514 	for (i = 0; i < isp->num_of_streams; i++) {
1515 		int sensor_index = isp->asd[i].input_curr;
1516 
1517 		if (isp->inputs[sensor_index].camera_caps->
1518 		    sensor[isp->asd[i].sensor_curr].is_slave)
1519 			slave = sensor_index;
1520 		else
1521 			master = sensor_index;
1522 	}
1523 
1524 	if (master == -1 || slave == -1) {
1525 		master = ATOMISP_DEPTH_DEFAULT_MASTER_SENSOR;
1526 		slave = ATOMISP_DEPTH_DEFAULT_SLAVE_SENSOR;
1527 		dev_warn(isp->dev,
1528 			 "depth mode use default master=%s.slave=%s.\n",
1529 			 isp->inputs[master].camera->name,
1530 			 isp->inputs[slave].camera->name);
1531 	}
1532 
1533 	ret = v4l2_subdev_call(isp->inputs[master].camera, core,
1534 			       ioctl, ATOMISP_IOC_G_DEPTH_SYNC_COMP,
1535 			       &delay_slave);
1536 	if (ret)
1537 		dev_warn(isp->dev,
1538 			 "get depth sensor %s compensation delay failed.\n",
1539 			 isp->inputs[master].camera->name);
1540 
1541 	ret = v4l2_subdev_call(isp->inputs[master].camera,
1542 			       video, s_stream, 1);
1543 	if (ret) {
1544 		dev_err(isp->dev, "depth mode master sensor %s stream-on failed.\n",
1545 			isp->inputs[master].camera->name);
1546 		return -EINVAL;
1547 	}
1548 
1549 	if (delay_slave != 0)
1550 		udelay(delay_slave);
1551 
1552 	ret = v4l2_subdev_call(isp->inputs[slave].camera,
1553 			       video, s_stream, 1);
1554 	if (ret) {
1555 		dev_err(isp->dev, "depth mode slave sensor %s stream-on failed.\n",
1556 			isp->inputs[slave].camera->name);
1557 		v4l2_subdev_call(isp->inputs[master].camera, video, s_stream, 0);
1558 
1559 		return -EINVAL;
1560 	}
1561 
1562 	return 0;
1563 }
1564 
1565 /* FIXME! ISP2400 */
1566 static void __wdt_on_master_slave_sensor(struct atomisp_device *isp,
1567 					 unsigned int wdt_duration)
1568 {
1569 	if (atomisp_buffers_queued(&isp->asd[0]))
1570 		atomisp_wdt_refresh(&isp->asd[0], wdt_duration);
1571 	if (atomisp_buffers_queued(&isp->asd[1]))
1572 		atomisp_wdt_refresh(&isp->asd[1], wdt_duration);
1573 }
1574 
1575 /* FIXME! ISP2401 */
1576 static void __wdt_on_master_slave_sensor_pipe(struct atomisp_video_pipe *pipe,
1577 					      unsigned int wdt_duration,
1578 					      bool enable)
1579 {
1580 	static struct atomisp_video_pipe *pipe0;
1581 
1582 	if (enable) {
1583 		if (atomisp_buffers_queued_pipe(pipe0))
1584 			atomisp_wdt_refresh_pipe(pipe0, wdt_duration);
1585 		if (atomisp_buffers_queued_pipe(pipe))
1586 			atomisp_wdt_refresh_pipe(pipe, wdt_duration);
1587 	} else {
1588 		pipe0 = pipe;
1589 	}
1590 }
1591 
1592 static void atomisp_pause_buffer_event(struct atomisp_device *isp)
1593 {
1594 	struct v4l2_event event = {0};
1595 	int i;
1596 
1597 	event.type = V4L2_EVENT_ATOMISP_PAUSE_BUFFER;
1598 
1599 	for (i = 0; i < isp->num_of_streams; i++) {
1600 		int sensor_index = isp->asd[i].input_curr;
1601 
1602 		if (isp->inputs[sensor_index].camera_caps->
1603 		    sensor[isp->asd[i].sensor_curr].is_slave) {
1604 			v4l2_event_queue(isp->asd[i].subdev.devnode, &event);
1605 			break;
1606 		}
1607 	}
1608 }
1609 
1610 /* Input system HW workaround */
1611 /* Input system address translation corrupts burst during */
1612 /* invalidate. SW workaround for this is to set burst length */
1613 /* manually to 128 in case of 13MPx snapshot and to 1 otherwise. */
1614 static void atomisp_dma_burst_len_cfg(struct atomisp_sub_device *asd)
1615 {
1616 	struct v4l2_mbus_framefmt *sink;
1617 
1618 	sink = atomisp_subdev_get_ffmt(&asd->subdev, NULL,
1619 				       V4L2_SUBDEV_FORMAT_ACTIVE,
1620 				       ATOMISP_SUBDEV_PAD_SINK);
1621 
1622 	if (sink->width * sink->height >= 4096 * 3072)
1623 		atomisp_css2_hw_store_32(DMA_BURST_SIZE_REG, 0x7F);
1624 	else
1625 		atomisp_css2_hw_store_32(DMA_BURST_SIZE_REG, 0x00);
1626 }
1627 
1628 /*
1629  * This ioctl start the capture during streaming I/O.
1630  */
1631 static int atomisp_streamon(struct file *file, void *fh,
1632 			    enum v4l2_buf_type type)
1633 {
1634 	struct video_device *vdev = video_devdata(file);
1635 	struct atomisp_video_pipe *pipe = atomisp_to_video_pipe(vdev);
1636 	struct atomisp_sub_device *asd = pipe->asd;
1637 	struct atomisp_device *isp = video_get_drvdata(vdev);
1638 	struct pci_dev *pdev = to_pci_dev(isp->dev);
1639 	enum ia_css_pipe_id css_pipe_id;
1640 	unsigned int sensor_start_stream;
1641 	unsigned int wdt_duration = ATOMISP_ISP_TIMEOUT_DURATION;
1642 	int ret = 0;
1643 	unsigned long irqflags;
1644 
1645 	dev_dbg(isp->dev, "Start stream on pad %d for asd%d\n",
1646 		atomisp_subdev_source_pad(vdev), asd->index);
1647 
1648 	if (type != V4L2_BUF_TYPE_VIDEO_CAPTURE) {
1649 		dev_dbg(isp->dev, "unsupported v4l2 buf type\n");
1650 		return -EINVAL;
1651 	}
1652 
1653 	rt_mutex_lock(&isp->mutex);
1654 	if (isp->isp_fatal_error) {
1655 		ret = -EIO;
1656 		goto out;
1657 	}
1658 
1659 	if (asd->streaming == ATOMISP_DEVICE_STREAMING_STOPPING) {
1660 		ret = -EBUSY;
1661 		goto out;
1662 	}
1663 
1664 	if (pipe->capq.streaming)
1665 		goto out;
1666 
1667 	/* Input system HW workaround */
1668 	atomisp_dma_burst_len_cfg(asd);
1669 
1670 	/*
1671 	 * The number of streaming video nodes is based on which
1672 	 * binary is going to be run.
1673 	 */
1674 	sensor_start_stream = atomisp_sensor_start_stream(asd);
1675 
1676 	spin_lock_irqsave(&pipe->irq_lock, irqflags);
1677 	if (list_empty(&pipe->capq.stream)) {
1678 		spin_unlock_irqrestore(&pipe->irq_lock, irqflags);
1679 		dev_dbg(isp->dev, "no buffer in the queue\n");
1680 		ret = -EINVAL;
1681 		goto out;
1682 	}
1683 	spin_unlock_irqrestore(&pipe->irq_lock, irqflags);
1684 
1685 	ret = videobuf_streamon(&pipe->capq);
1686 	if (ret)
1687 		goto out;
1688 
1689 	/* Reset pending capture request count. */
1690 	asd->pending_capture_request = 0;
1691 	if (IS_ISP2401)
1692 		asd->re_trigger_capture = false;
1693 
1694 	if ((atomisp_subdev_streaming_count(asd) > sensor_start_stream) &&
1695 	    (!isp->inputs[asd->input_curr].camera_caps->multi_stream_ctrl)) {
1696 		/* trigger still capture */
1697 		if (asd->continuous_mode->val &&
1698 		    atomisp_subdev_source_pad(vdev)
1699 		    == ATOMISP_SUBDEV_PAD_SOURCE_CAPTURE) {
1700 			if (asd->run_mode->val == ATOMISP_RUN_MODE_VIDEO)
1701 				dev_dbg(isp->dev, "SDV last video raw buffer id: %u\n",
1702 					asd->latest_preview_exp_id);
1703 			else
1704 				dev_dbg(isp->dev, "ZSL last preview raw buffer id: %u\n",
1705 					asd->latest_preview_exp_id);
1706 
1707 			if (asd->delayed_init == ATOMISP_DELAYED_INIT_QUEUED) {
1708 				flush_work(&asd->delayed_init_work);
1709 				rt_mutex_unlock(&isp->mutex);
1710 				if (wait_for_completion_interruptible(
1711 					&asd->init_done) != 0)
1712 					return -ERESTARTSYS;
1713 				rt_mutex_lock(&isp->mutex);
1714 			}
1715 
1716 			/* handle per_frame_setting parameter and buffers */
1717 			atomisp_handle_parameter_and_buffer(pipe);
1718 
1719 			/*
1720 			 * only ZSL/SDV capture request will be here, raise
1721 			 * the ISP freq to the highest possible to minimize
1722 			 * the S2S latency.
1723 			 */
1724 			atomisp_freq_scaling(isp, ATOMISP_DFS_MODE_MAX, false);
1725 			/*
1726 			 * When asd->enable_raw_buffer_lock->val is true,
1727 			 * An extra IOCTL is needed to call
1728 			 * atomisp_css_exp_id_capture and trigger real capture
1729 			 */
1730 			if (!asd->enable_raw_buffer_lock->val) {
1731 				ret = atomisp_css_offline_capture_configure(asd,
1732 					asd->params.offline_parm.num_captures,
1733 					asd->params.offline_parm.skip_frames,
1734 					asd->params.offline_parm.offset);
1735 				if (ret) {
1736 					ret = -EINVAL;
1737 					goto out;
1738 				}
1739 				if (asd->depth_mode->val)
1740 					atomisp_pause_buffer_event(isp);
1741 			}
1742 		}
1743 		atomisp_qbuffers_to_css(asd);
1744 		goto out;
1745 	}
1746 
1747 	if (asd->streaming == ATOMISP_DEVICE_STREAMING_ENABLED) {
1748 		atomisp_qbuffers_to_css(asd);
1749 		goto start_sensor;
1750 	}
1751 
1752 	css_pipe_id = atomisp_get_css_pipe_id(asd);
1753 
1754 	ret = atomisp_acc_load_extensions(asd);
1755 	if (ret < 0) {
1756 		dev_err(isp->dev, "acc extension failed to load\n");
1757 		goto out;
1758 	}
1759 
1760 	if (asd->params.css_update_params_needed) {
1761 		atomisp_apply_css_parameters(asd, &asd->params.css_param);
1762 		if (asd->params.css_param.update_flag.dz_config)
1763 			asd->params.config.dz_config = &asd->params.css_param.dz_config;
1764 		atomisp_css_update_isp_params(asd);
1765 		asd->params.css_update_params_needed = false;
1766 		memset(&asd->params.css_param.update_flag, 0,
1767 		       sizeof(struct atomisp_parameters));
1768 	}
1769 	asd->params.dvs_6axis = NULL;
1770 
1771 	ret = atomisp_css_start(asd, css_pipe_id, false);
1772 	if (ret)
1773 		goto out;
1774 
1775 	asd->streaming = ATOMISP_DEVICE_STREAMING_ENABLED;
1776 	atomic_set(&asd->sof_count, -1);
1777 	atomic_set(&asd->sequence, -1);
1778 	atomic_set(&asd->sequence_temp, -1);
1779 	if (isp->sw_contex.file_input)
1780 		wdt_duration = ATOMISP_ISP_FILE_TIMEOUT_DURATION;
1781 
1782 	asd->params.dis_proj_data_valid = false;
1783 	asd->latest_preview_exp_id = 0;
1784 	asd->postview_exp_id = 1;
1785 	asd->preview_exp_id = 1;
1786 
1787 	/* handle per_frame_setting parameter and buffers */
1788 	atomisp_handle_parameter_and_buffer(pipe);
1789 
1790 	atomisp_qbuffers_to_css(asd);
1791 
1792 	/* Only start sensor when the last streaming instance started */
1793 	if (atomisp_subdev_streaming_count(asd) < sensor_start_stream)
1794 		goto out;
1795 
1796 start_sensor:
1797 	if (isp->flash) {
1798 		asd->params.num_flash_frames = 0;
1799 		asd->params.flash_state = ATOMISP_FLASH_IDLE;
1800 		atomisp_setup_flash(asd);
1801 	}
1802 
1803 	if (!isp->sw_contex.file_input) {
1804 		atomisp_css_irq_enable(isp, IA_CSS_IRQ_INFO_CSS_RECEIVER_SOF,
1805 				       atomisp_css_valid_sof(isp));
1806 		atomisp_csi2_configure(asd);
1807 		/*
1808 		 * set freq to max when streaming count > 1 which indicate
1809 		 * dual camera would run
1810 		 */
1811 		if (atomisp_streaming_count(isp) > 1) {
1812 			if (atomisp_freq_scaling(isp,
1813 						 ATOMISP_DFS_MODE_MAX, false) < 0)
1814 				dev_dbg(isp->dev, "DFS max mode failed!\n");
1815 		} else {
1816 			if (atomisp_freq_scaling(isp,
1817 						 ATOMISP_DFS_MODE_AUTO, false) < 0)
1818 				dev_dbg(isp->dev, "DFS auto mode failed!\n");
1819 		}
1820 	} else {
1821 		if (atomisp_freq_scaling(isp, ATOMISP_DFS_MODE_MAX, false) < 0)
1822 			dev_dbg(isp->dev, "DFS max mode failed!\n");
1823 	}
1824 
1825 	if (asd->depth_mode->val && atomisp_streaming_count(isp) ==
1826 	    ATOMISP_DEPTH_SENSOR_STREAMON_COUNT) {
1827 		ret = atomisp_stream_on_master_slave_sensor(isp, false);
1828 		if (ret) {
1829 			dev_err(isp->dev, "master slave sensor stream on failed!\n");
1830 			goto out;
1831 		}
1832 		if (!IS_ISP2401)
1833 			__wdt_on_master_slave_sensor(isp, wdt_duration);
1834 		else
1835 			__wdt_on_master_slave_sensor_pipe(pipe, wdt_duration, true);
1836 		goto start_delay_wq;
1837 	} else if (asd->depth_mode->val && (atomisp_streaming_count(isp) <
1838 					    ATOMISP_DEPTH_SENSOR_STREAMON_COUNT)) {
1839 		if (IS_ISP2401)
1840 			__wdt_on_master_slave_sensor_pipe(pipe, wdt_duration, false);
1841 		goto start_delay_wq;
1842 	}
1843 
1844 	/* Enable the CSI interface on ANN B0/K0 */
1845 	if (isp->media_dev.hw_revision >= ((ATOMISP_HW_REVISION_ISP2401 <<
1846 					    ATOMISP_HW_REVISION_SHIFT) | ATOMISP_HW_STEPPING_B0)) {
1847 		pci_write_config_word(pdev, MRFLD_PCI_CSI_CONTROL,
1848 				      isp->saved_regs.csi_control | MRFLD_PCI_CSI_CONTROL_CSI_READY);
1849 	}
1850 
1851 	/* stream on the sensor */
1852 	ret = v4l2_subdev_call(isp->inputs[asd->input_curr].camera,
1853 			       video, s_stream, 1);
1854 	if (ret) {
1855 		asd->streaming = ATOMISP_DEVICE_STREAMING_DISABLED;
1856 		ret = -EINVAL;
1857 		goto out;
1858 	}
1859 
1860 	if (!IS_ISP2401) {
1861 		if (atomisp_buffers_queued(asd))
1862 			atomisp_wdt_refresh(asd, wdt_duration);
1863 	} else {
1864 		if (atomisp_buffers_queued_pipe(pipe))
1865 			atomisp_wdt_refresh_pipe(pipe, wdt_duration);
1866 	}
1867 
1868 start_delay_wq:
1869 	if (asd->continuous_mode->val) {
1870 		struct v4l2_mbus_framefmt *sink;
1871 
1872 		sink = atomisp_subdev_get_ffmt(&asd->subdev, NULL,
1873 					       V4L2_SUBDEV_FORMAT_ACTIVE,
1874 					       ATOMISP_SUBDEV_PAD_SINK);
1875 
1876 		reinit_completion(&asd->init_done);
1877 		asd->delayed_init = ATOMISP_DELAYED_INIT_QUEUED;
1878 		queue_work(asd->delayed_init_workq, &asd->delayed_init_work);
1879 		atomisp_css_set_cont_prev_start_time(isp,
1880 						     ATOMISP_CALC_CSS_PREV_OVERLAP(sink->height));
1881 	} else {
1882 		asd->delayed_init = ATOMISP_DELAYED_INIT_NOT_QUEUED;
1883 	}
1884 out:
1885 	rt_mutex_unlock(&isp->mutex);
1886 	return ret;
1887 }
1888 
1889 int __atomisp_streamoff(struct file *file, void *fh, enum v4l2_buf_type type)
1890 {
1891 	struct video_device *vdev = video_devdata(file);
1892 	struct atomisp_device *isp = video_get_drvdata(vdev);
1893 	struct pci_dev *pdev = to_pci_dev(isp->dev);
1894 	struct atomisp_video_pipe *pipe = atomisp_to_video_pipe(vdev);
1895 	struct atomisp_sub_device *asd = pipe->asd;
1896 	struct atomisp_video_pipe *capture_pipe = NULL;
1897 	struct atomisp_video_pipe *vf_pipe = NULL;
1898 	struct atomisp_video_pipe *preview_pipe = NULL;
1899 	struct atomisp_video_pipe *video_pipe = NULL;
1900 	struct videobuf_buffer *vb, *_vb;
1901 	enum ia_css_pipe_id css_pipe_id;
1902 	int ret;
1903 	unsigned long flags;
1904 	bool first_streamoff = false;
1905 
1906 	dev_dbg(isp->dev, "Stop stream on pad %d for asd%d\n",
1907 		atomisp_subdev_source_pad(vdev), asd->index);
1908 
1909 	BUG_ON(!rt_mutex_is_locked(&isp->mutex));
1910 	BUG_ON(!mutex_is_locked(&isp->streamoff_mutex));
1911 
1912 	if (type != V4L2_BUF_TYPE_VIDEO_CAPTURE) {
1913 		dev_dbg(isp->dev, "unsupported v4l2 buf type\n");
1914 		return -EINVAL;
1915 	}
1916 
1917 	/*
1918 	 * do only videobuf_streamoff for capture & vf pipes in
1919 	 * case of continuous capture
1920 	 */
1921 	if ((asd->continuous_mode->val ||
1922 	     isp->inputs[asd->input_curr].camera_caps->multi_stream_ctrl) &&
1923 	    atomisp_subdev_source_pad(vdev) !=
1924 	    ATOMISP_SUBDEV_PAD_SOURCE_PREVIEW &&
1925 	    atomisp_subdev_source_pad(vdev) !=
1926 	    ATOMISP_SUBDEV_PAD_SOURCE_VIDEO) {
1927 		if (isp->inputs[asd->input_curr].camera_caps->multi_stream_ctrl) {
1928 			v4l2_subdev_call(isp->inputs[asd->input_curr].camera,
1929 					 video, s_stream, 0);
1930 		} else if (atomisp_subdev_source_pad(vdev)
1931 			   == ATOMISP_SUBDEV_PAD_SOURCE_CAPTURE) {
1932 			/* stop continuous still capture if needed */
1933 			if (asd->params.offline_parm.num_captures == -1)
1934 				atomisp_css_offline_capture_configure(asd,
1935 								      0, 0, 0);
1936 			atomisp_freq_scaling(isp, ATOMISP_DFS_MODE_AUTO, false);
1937 		}
1938 		/*
1939 		 * Currently there is no way to flush buffers queued to css.
1940 		 * When doing videobuf_streamoff, active buffers will be
1941 		 * marked as VIDEOBUF_NEEDS_INIT. HAL will be able to use
1942 		 * these buffers again, and these buffers might be queued to
1943 		 * css more than once! Warn here, if HAL has not dequeued all
1944 		 * buffers back before calling streamoff.
1945 		 */
1946 		if (pipe->buffers_in_css != 0) {
1947 			WARN(1, "%s: buffers of vdev %s still in CSS!\n",
1948 			     __func__, pipe->vdev.name);
1949 
1950 			/*
1951 			 * Buffers remained in css maybe dequeued out in the
1952 			 * next stream on, while this will causes serious
1953 			 * issues as buffers already get invalid after
1954 			 * previous stream off.
1955 			 *
1956 			 * No way to flush buffers but to reset the whole css
1957 			 */
1958 			dev_warn(isp->dev, "Reset CSS to clean up css buffers.\n");
1959 			atomisp_css_flush(isp);
1960 		}
1961 
1962 		return videobuf_streamoff(&pipe->capq);
1963 	}
1964 
1965 	if (!pipe->capq.streaming)
1966 		return 0;
1967 
1968 	spin_lock_irqsave(&isp->lock, flags);
1969 	if (asd->streaming == ATOMISP_DEVICE_STREAMING_ENABLED) {
1970 		asd->streaming = ATOMISP_DEVICE_STREAMING_STOPPING;
1971 		first_streamoff = true;
1972 	}
1973 	spin_unlock_irqrestore(&isp->lock, flags);
1974 
1975 	if (first_streamoff) {
1976 		/* if other streams are running, should not disable watch dog */
1977 		rt_mutex_unlock(&isp->mutex);
1978 		atomisp_wdt_stop(asd, true);
1979 
1980 		/*
1981 		 * must stop sending pixels into GP_FIFO before stop
1982 		 * the pipeline.
1983 		 */
1984 		if (isp->sw_contex.file_input)
1985 			v4l2_subdev_call(isp->inputs[asd->input_curr].camera,
1986 					 video, s_stream, 0);
1987 
1988 		rt_mutex_lock(&isp->mutex);
1989 		atomisp_acc_unload_extensions(asd);
1990 	}
1991 
1992 	spin_lock_irqsave(&isp->lock, flags);
1993 	if (atomisp_subdev_streaming_count(asd) == 1)
1994 		asd->streaming = ATOMISP_DEVICE_STREAMING_DISABLED;
1995 	spin_unlock_irqrestore(&isp->lock, flags);
1996 
1997 	if (!first_streamoff) {
1998 		ret = videobuf_streamoff(&pipe->capq);
1999 		if (ret)
2000 			return ret;
2001 		goto stopsensor;
2002 	}
2003 
2004 	atomisp_clear_css_buffer_counters(asd);
2005 
2006 	if (!isp->sw_contex.file_input)
2007 		atomisp_css_irq_enable(isp, IA_CSS_IRQ_INFO_CSS_RECEIVER_SOF,
2008 				       false);
2009 
2010 	if (asd->delayed_init == ATOMISP_DELAYED_INIT_QUEUED) {
2011 		cancel_work_sync(&asd->delayed_init_work);
2012 		asd->delayed_init = ATOMISP_DELAYED_INIT_NOT_QUEUED;
2013 	}
2014 	if (first_streamoff) {
2015 		css_pipe_id = atomisp_get_css_pipe_id(asd);
2016 		ret = atomisp_css_stop(asd, css_pipe_id, false);
2017 	}
2018 	/* cancel work queue*/
2019 	if (asd->video_out_capture.users) {
2020 		capture_pipe = &asd->video_out_capture;
2021 		wake_up_interruptible(&capture_pipe->capq.wait);
2022 	}
2023 	if (asd->video_out_vf.users) {
2024 		vf_pipe = &asd->video_out_vf;
2025 		wake_up_interruptible(&vf_pipe->capq.wait);
2026 	}
2027 	if (asd->video_out_preview.users) {
2028 		preview_pipe = &asd->video_out_preview;
2029 		wake_up_interruptible(&preview_pipe->capq.wait);
2030 	}
2031 	if (asd->video_out_video_capture.users) {
2032 		video_pipe = &asd->video_out_video_capture;
2033 		wake_up_interruptible(&video_pipe->capq.wait);
2034 	}
2035 	ret = videobuf_streamoff(&pipe->capq);
2036 	if (ret)
2037 		return ret;
2038 
2039 	/* cleanup css here */
2040 	/* no need for this, as ISP will be reset anyway */
2041 	/*atomisp_flush_bufs_in_css(isp);*/
2042 
2043 	spin_lock_irqsave(&pipe->irq_lock, flags);
2044 	list_for_each_entry_safe(vb, _vb, &pipe->activeq, queue) {
2045 		vb->state = VIDEOBUF_PREPARED;
2046 		list_del(&vb->queue);
2047 	}
2048 	list_for_each_entry_safe(vb, _vb, &pipe->buffers_waiting_for_param, queue) {
2049 		vb->state = VIDEOBUF_PREPARED;
2050 		list_del(&vb->queue);
2051 		pipe->frame_request_config_id[vb->i] = 0;
2052 	}
2053 	spin_unlock_irqrestore(&pipe->irq_lock, flags);
2054 
2055 	atomisp_subdev_cleanup_pending_events(asd);
2056 stopsensor:
2057 	if (atomisp_subdev_streaming_count(asd) + 1
2058 	    != atomisp_sensor_start_stream(asd))
2059 		return 0;
2060 
2061 	if (!isp->sw_contex.file_input)
2062 		ret = v4l2_subdev_call(isp->inputs[asd->input_curr].camera,
2063 				       video, s_stream, 0);
2064 
2065 	if (isp->flash) {
2066 		asd->params.num_flash_frames = 0;
2067 		asd->params.flash_state = ATOMISP_FLASH_IDLE;
2068 	}
2069 
2070 	/* if other streams are running, isp should not be powered off */
2071 	if (atomisp_streaming_count(isp)) {
2072 		atomisp_css_flush(isp);
2073 		return 0;
2074 	}
2075 
2076 	/* Disable the CSI interface on ANN B0/K0 */
2077 	if (isp->media_dev.hw_revision >= ((ATOMISP_HW_REVISION_ISP2401 <<
2078 					    ATOMISP_HW_REVISION_SHIFT) | ATOMISP_HW_STEPPING_B0)) {
2079 		pci_write_config_word(pdev, MRFLD_PCI_CSI_CONTROL,
2080 				      isp->saved_regs.csi_control & ~MRFLD_PCI_CSI_CONTROL_CSI_READY);
2081 	}
2082 
2083 	if (atomisp_freq_scaling(isp, ATOMISP_DFS_MODE_LOW, false))
2084 		dev_warn(isp->dev, "DFS failed.\n");
2085 	/*
2086 	 * ISP work around, need to reset isp
2087 	 * Is it correct time to reset ISP when first node does streamoff?
2088 	 */
2089 	if (isp->sw_contex.power_state == ATOM_ISP_POWER_UP) {
2090 		unsigned int i;
2091 		bool recreate_streams[MAX_STREAM_NUM] = {0};
2092 
2093 		if (isp->isp_timeout)
2094 			dev_err(isp->dev, "%s: Resetting with WA activated",
2095 				__func__);
2096 		/*
2097 		 * It is possible that the other asd stream is in the stage
2098 		 * that v4l2_setfmt is just get called on it, which will
2099 		 * create css stream on that stream. But at this point, there
2100 		 * is no way to destroy the css stream created on that stream.
2101 		 *
2102 		 * So force stream destroy here.
2103 		 */
2104 		for (i = 0; i < isp->num_of_streams; i++) {
2105 			if (isp->asd[i].stream_prepared) {
2106 				atomisp_destroy_pipes_stream_force(&isp->
2107 								   asd[i]);
2108 				recreate_streams[i] = true;
2109 			}
2110 		}
2111 
2112 		/* disable  PUNIT/ISP acknowlede/handshake - SRSE=3 */
2113 		pci_write_config_dword(pdev, PCI_I_CONTROL,
2114 				       isp->saved_regs.i_control | MRFLD_PCI_I_CONTROL_SRSE_RESET_MASK);
2115 		dev_err(isp->dev, "atomisp_reset");
2116 		atomisp_reset(isp);
2117 		for (i = 0; i < isp->num_of_streams; i++) {
2118 			if (recreate_streams[i])
2119 				atomisp_create_pipes_stream(&isp->asd[i]);
2120 		}
2121 		isp->isp_timeout = false;
2122 	}
2123 	return ret;
2124 }
2125 
2126 static int atomisp_streamoff(struct file *file, void *fh,
2127 			     enum v4l2_buf_type type)
2128 {
2129 	struct video_device *vdev = video_devdata(file);
2130 	struct atomisp_device *isp = video_get_drvdata(vdev);
2131 	int rval;
2132 
2133 	mutex_lock(&isp->streamoff_mutex);
2134 	rt_mutex_lock(&isp->mutex);
2135 	rval = __atomisp_streamoff(file, fh, type);
2136 	rt_mutex_unlock(&isp->mutex);
2137 	mutex_unlock(&isp->streamoff_mutex);
2138 
2139 	return rval;
2140 }
2141 
2142 /*
2143  * To get the current value of a control.
2144  * applications initialize the id field of a struct v4l2_control and
2145  * call this ioctl with a pointer to this structure
2146  */
2147 static int atomisp_g_ctrl(struct file *file, void *fh,
2148 			  struct v4l2_control *control)
2149 {
2150 	struct video_device *vdev = video_devdata(file);
2151 	struct atomisp_sub_device *asd = atomisp_to_video_pipe(vdev)->asd;
2152 	struct atomisp_device *isp = video_get_drvdata(vdev);
2153 	int i, ret = -EINVAL;
2154 
2155 	for (i = 0; i < ctrls_num; i++) {
2156 		if (ci_v4l2_controls[i].id == control->id) {
2157 			ret = 0;
2158 			break;
2159 		}
2160 	}
2161 
2162 	if (ret)
2163 		return ret;
2164 
2165 	rt_mutex_lock(&isp->mutex);
2166 
2167 	switch (control->id) {
2168 	case V4L2_CID_IRIS_ABSOLUTE:
2169 	case V4L2_CID_EXPOSURE_ABSOLUTE:
2170 	case V4L2_CID_FNUMBER_ABSOLUTE:
2171 	case V4L2_CID_2A_STATUS:
2172 	case V4L2_CID_AUTO_N_PRESET_WHITE_BALANCE:
2173 	case V4L2_CID_EXPOSURE:
2174 	case V4L2_CID_EXPOSURE_AUTO:
2175 	case V4L2_CID_SCENE_MODE:
2176 	case V4L2_CID_ISO_SENSITIVITY:
2177 	case V4L2_CID_ISO_SENSITIVITY_AUTO:
2178 	case V4L2_CID_CONTRAST:
2179 	case V4L2_CID_SATURATION:
2180 	case V4L2_CID_SHARPNESS:
2181 	case V4L2_CID_3A_LOCK:
2182 	case V4L2_CID_EXPOSURE_ZONE_NUM:
2183 	case V4L2_CID_TEST_PATTERN:
2184 	case V4L2_CID_TEST_PATTERN_COLOR_R:
2185 	case V4L2_CID_TEST_PATTERN_COLOR_GR:
2186 	case V4L2_CID_TEST_PATTERN_COLOR_GB:
2187 	case V4L2_CID_TEST_PATTERN_COLOR_B:
2188 		rt_mutex_unlock(&isp->mutex);
2189 		return v4l2_g_ctrl(isp->inputs[asd->input_curr].camera->
2190 				   ctrl_handler, control);
2191 	case V4L2_CID_COLORFX:
2192 		ret = atomisp_color_effect(asd, 0, &control->value);
2193 		break;
2194 	case V4L2_CID_ATOMISP_BAD_PIXEL_DETECTION:
2195 		ret = atomisp_bad_pixel(asd, 0, &control->value);
2196 		break;
2197 	case V4L2_CID_ATOMISP_POSTPROCESS_GDC_CAC:
2198 		ret = atomisp_gdc_cac(asd, 0, &control->value);
2199 		break;
2200 	case V4L2_CID_ATOMISP_VIDEO_STABLIZATION:
2201 		ret = atomisp_video_stable(asd, 0, &control->value);
2202 		break;
2203 	case V4L2_CID_ATOMISP_FIXED_PATTERN_NR:
2204 		ret = atomisp_fixed_pattern(asd, 0, &control->value);
2205 		break;
2206 	case V4L2_CID_ATOMISP_FALSE_COLOR_CORRECTION:
2207 		ret = atomisp_false_color(asd, 0, &control->value);
2208 		break;
2209 	case V4L2_CID_ATOMISP_LOW_LIGHT:
2210 		ret = atomisp_low_light(asd, 0, &control->value);
2211 		break;
2212 	default:
2213 		ret = -EINVAL;
2214 		break;
2215 	}
2216 
2217 	rt_mutex_unlock(&isp->mutex);
2218 	return ret;
2219 }
2220 
2221 /*
2222  * To change the value of a control.
2223  * applications initialize the id and value fields of a struct v4l2_control
2224  * and call this ioctl.
2225  */
2226 static int atomisp_s_ctrl(struct file *file, void *fh,
2227 			  struct v4l2_control *control)
2228 {
2229 	struct video_device *vdev = video_devdata(file);
2230 	struct atomisp_sub_device *asd = atomisp_to_video_pipe(vdev)->asd;
2231 	struct atomisp_device *isp = video_get_drvdata(vdev);
2232 	int i, ret = -EINVAL;
2233 
2234 	for (i = 0; i < ctrls_num; i++) {
2235 		if (ci_v4l2_controls[i].id == control->id) {
2236 			ret = 0;
2237 			break;
2238 		}
2239 	}
2240 
2241 	if (ret)
2242 		return ret;
2243 
2244 	rt_mutex_lock(&isp->mutex);
2245 	switch (control->id) {
2246 	case V4L2_CID_AUTO_N_PRESET_WHITE_BALANCE:
2247 	case V4L2_CID_EXPOSURE:
2248 	case V4L2_CID_EXPOSURE_AUTO:
2249 	case V4L2_CID_EXPOSURE_AUTO_PRIORITY:
2250 	case V4L2_CID_SCENE_MODE:
2251 	case V4L2_CID_ISO_SENSITIVITY:
2252 	case V4L2_CID_ISO_SENSITIVITY_AUTO:
2253 	case V4L2_CID_POWER_LINE_FREQUENCY:
2254 	case V4L2_CID_EXPOSURE_METERING:
2255 	case V4L2_CID_CONTRAST:
2256 	case V4L2_CID_SATURATION:
2257 	case V4L2_CID_SHARPNESS:
2258 	case V4L2_CID_3A_LOCK:
2259 	case V4L2_CID_COLORFX_CBCR:
2260 	case V4L2_CID_TEST_PATTERN:
2261 	case V4L2_CID_TEST_PATTERN_COLOR_R:
2262 	case V4L2_CID_TEST_PATTERN_COLOR_GR:
2263 	case V4L2_CID_TEST_PATTERN_COLOR_GB:
2264 	case V4L2_CID_TEST_PATTERN_COLOR_B:
2265 		rt_mutex_unlock(&isp->mutex);
2266 		return v4l2_s_ctrl(NULL,
2267 				   isp->inputs[asd->input_curr].camera->
2268 				   ctrl_handler, control);
2269 	case V4L2_CID_COLORFX:
2270 		ret = atomisp_color_effect(asd, 1, &control->value);
2271 		break;
2272 	case V4L2_CID_ATOMISP_BAD_PIXEL_DETECTION:
2273 		ret = atomisp_bad_pixel(asd, 1, &control->value);
2274 		break;
2275 	case V4L2_CID_ATOMISP_POSTPROCESS_GDC_CAC:
2276 		ret = atomisp_gdc_cac(asd, 1, &control->value);
2277 		break;
2278 	case V4L2_CID_ATOMISP_VIDEO_STABLIZATION:
2279 		ret = atomisp_video_stable(asd, 1, &control->value);
2280 		break;
2281 	case V4L2_CID_ATOMISP_FIXED_PATTERN_NR:
2282 		ret = atomisp_fixed_pattern(asd, 1, &control->value);
2283 		break;
2284 	case V4L2_CID_ATOMISP_FALSE_COLOR_CORRECTION:
2285 		ret = atomisp_false_color(asd, 1, &control->value);
2286 		break;
2287 	case V4L2_CID_REQUEST_FLASH:
2288 		ret = atomisp_flash_enable(asd, control->value);
2289 		break;
2290 	case V4L2_CID_ATOMISP_LOW_LIGHT:
2291 		ret = atomisp_low_light(asd, 1, &control->value);
2292 		break;
2293 	default:
2294 		ret = -EINVAL;
2295 		break;
2296 	}
2297 	rt_mutex_unlock(&isp->mutex);
2298 	return ret;
2299 }
2300 
2301 /*
2302  * To query the attributes of a control.
2303  * applications set the id field of a struct v4l2_queryctrl and call the
2304  * this ioctl with a pointer to this structure. The driver fills
2305  * the rest of the structure.
2306  */
2307 static int atomisp_queryctl(struct file *file, void *fh,
2308 			    struct v4l2_queryctrl *qc)
2309 {
2310 	int i, ret = -EINVAL;
2311 	struct video_device *vdev = video_devdata(file);
2312 	struct atomisp_sub_device *asd = atomisp_to_video_pipe(vdev)->asd;
2313 	struct atomisp_device *isp = video_get_drvdata(vdev);
2314 
2315 	switch (qc->id) {
2316 	case V4L2_CID_FOCUS_ABSOLUTE:
2317 	case V4L2_CID_FOCUS_RELATIVE:
2318 	case V4L2_CID_FOCUS_STATUS:
2319 		if (!IS_ISP2401) {
2320 			return v4l2_queryctrl(isp->inputs[asd->input_curr].camera->
2321 					    ctrl_handler, qc);
2322 		}
2323 		/* ISP2401 */
2324 		if (isp->motor)
2325 			return v4l2_queryctrl(isp->motor->ctrl_handler, qc);
2326 		else
2327 			return v4l2_queryctrl(isp->inputs[asd->input_curr].
2328 					      camera->ctrl_handler, qc);
2329 	}
2330 
2331 	if (qc->id & V4L2_CTRL_FLAG_NEXT_CTRL)
2332 		return ret;
2333 
2334 	for (i = 0; i < ctrls_num; i++) {
2335 		if (ci_v4l2_controls[i].id == qc->id) {
2336 			memcpy(qc, &ci_v4l2_controls[i],
2337 			       sizeof(struct v4l2_queryctrl));
2338 			qc->reserved[0] = 0;
2339 			ret = 0;
2340 			break;
2341 		}
2342 	}
2343 	if (ret != 0)
2344 		qc->flags = V4L2_CTRL_FLAG_DISABLED;
2345 
2346 	return ret;
2347 }
2348 
2349 static int atomisp_camera_g_ext_ctrls(struct file *file, void *fh,
2350 				      struct v4l2_ext_controls *c)
2351 {
2352 	struct video_device *vdev = video_devdata(file);
2353 	struct atomisp_sub_device *asd = atomisp_to_video_pipe(vdev)->asd;
2354 	struct atomisp_device *isp = video_get_drvdata(vdev);
2355 	struct v4l2_subdev *motor;
2356 	struct v4l2_control ctrl;
2357 	int i;
2358 	int ret = 0;
2359 
2360 	if (!IS_ISP2401)
2361 		motor = isp->inputs[asd->input_curr].motor;
2362 	else
2363 		motor = isp->motor;
2364 
2365 	for (i = 0; i < c->count; i++) {
2366 		ctrl.id = c->controls[i].id;
2367 		ctrl.value = c->controls[i].value;
2368 		switch (ctrl.id) {
2369 		case V4L2_CID_EXPOSURE_ABSOLUTE:
2370 		case V4L2_CID_EXPOSURE_AUTO:
2371 		case V4L2_CID_IRIS_ABSOLUTE:
2372 		case V4L2_CID_FNUMBER_ABSOLUTE:
2373 		case V4L2_CID_BIN_FACTOR_HORZ:
2374 		case V4L2_CID_BIN_FACTOR_VERT:
2375 		case V4L2_CID_3A_LOCK:
2376 		case V4L2_CID_TEST_PATTERN:
2377 		case V4L2_CID_TEST_PATTERN_COLOR_R:
2378 		case V4L2_CID_TEST_PATTERN_COLOR_GR:
2379 		case V4L2_CID_TEST_PATTERN_COLOR_GB:
2380 		case V4L2_CID_TEST_PATTERN_COLOR_B:
2381 			/*
2382 			 * Exposure related control will be handled by sensor
2383 			 * driver
2384 			 */
2385 			ret =
2386 			    v4l2_g_ctrl(isp->inputs[asd->input_curr].camera->
2387 					ctrl_handler, &ctrl);
2388 			break;
2389 		case V4L2_CID_FOCUS_ABSOLUTE:
2390 		case V4L2_CID_FOCUS_RELATIVE:
2391 		case V4L2_CID_FOCUS_STATUS:
2392 		case V4L2_CID_FOCUS_AUTO:
2393 			if (motor)
2394 				ret = v4l2_g_ctrl(motor->ctrl_handler, &ctrl);
2395 			break;
2396 		case V4L2_CID_FLASH_STATUS:
2397 		case V4L2_CID_FLASH_INTENSITY:
2398 		case V4L2_CID_FLASH_TORCH_INTENSITY:
2399 		case V4L2_CID_FLASH_INDICATOR_INTENSITY:
2400 		case V4L2_CID_FLASH_TIMEOUT:
2401 		case V4L2_CID_FLASH_STROBE:
2402 		case V4L2_CID_FLASH_MODE:
2403 		case V4L2_CID_FLASH_STATUS_REGISTER:
2404 			if (isp->flash)
2405 				ret =
2406 				    v4l2_g_ctrl(isp->flash->ctrl_handler,
2407 						&ctrl);
2408 			break;
2409 		case V4L2_CID_ZOOM_ABSOLUTE:
2410 			rt_mutex_lock(&isp->mutex);
2411 			ret = atomisp_digital_zoom(asd, 0, &ctrl.value);
2412 			rt_mutex_unlock(&isp->mutex);
2413 			break;
2414 		case V4L2_CID_G_SKIP_FRAMES:
2415 			ret = v4l2_subdev_call(
2416 				  isp->inputs[asd->input_curr].camera,
2417 				  sensor, g_skip_frames, (u32 *)&ctrl.value);
2418 			break;
2419 		default:
2420 			ret = -EINVAL;
2421 		}
2422 
2423 		if (ret) {
2424 			c->error_idx = i;
2425 			break;
2426 		}
2427 		c->controls[i].value = ctrl.value;
2428 	}
2429 	return ret;
2430 }
2431 
2432 /* This ioctl allows the application to get multiple controls by class */
2433 static int atomisp_g_ext_ctrls(struct file *file, void *fh,
2434 			       struct v4l2_ext_controls *c)
2435 {
2436 	struct v4l2_control ctrl;
2437 	int i, ret = 0;
2438 
2439 	/*
2440 	 * input_lock is not need for the Camera related IOCTLs
2441 	 * The input_lock downgrade the FPS of 3A
2442 	 */
2443 	ret = atomisp_camera_g_ext_ctrls(file, fh, c);
2444 	if (ret != -EINVAL)
2445 		return ret;
2446 
2447 	for (i = 0; i < c->count; i++) {
2448 		ctrl.id = c->controls[i].id;
2449 		ctrl.value = c->controls[i].value;
2450 		ret = atomisp_g_ctrl(file, fh, &ctrl);
2451 		c->controls[i].value = ctrl.value;
2452 		if (ret) {
2453 			c->error_idx = i;
2454 			break;
2455 		}
2456 	}
2457 	return ret;
2458 }
2459 
2460 static int atomisp_camera_s_ext_ctrls(struct file *file, void *fh,
2461 				      struct v4l2_ext_controls *c)
2462 {
2463 	struct video_device *vdev = video_devdata(file);
2464 	struct atomisp_sub_device *asd = atomisp_to_video_pipe(vdev)->asd;
2465 	struct atomisp_device *isp = video_get_drvdata(vdev);
2466 	struct v4l2_subdev *motor;
2467 	struct v4l2_control ctrl;
2468 	int i;
2469 	int ret = 0;
2470 
2471 	if (!IS_ISP2401)
2472 		motor = isp->inputs[asd->input_curr].motor;
2473 	else
2474 		motor = isp->motor;
2475 
2476 	for (i = 0; i < c->count; i++) {
2477 		struct v4l2_ctrl *ctr;
2478 
2479 		ctrl.id = c->controls[i].id;
2480 		ctrl.value = c->controls[i].value;
2481 		switch (ctrl.id) {
2482 		case V4L2_CID_EXPOSURE_ABSOLUTE:
2483 		case V4L2_CID_EXPOSURE_AUTO:
2484 		case V4L2_CID_EXPOSURE_METERING:
2485 		case V4L2_CID_IRIS_ABSOLUTE:
2486 		case V4L2_CID_FNUMBER_ABSOLUTE:
2487 		case V4L2_CID_VCM_TIMING:
2488 		case V4L2_CID_VCM_SLEW:
2489 		case V4L2_CID_3A_LOCK:
2490 		case V4L2_CID_TEST_PATTERN:
2491 		case V4L2_CID_TEST_PATTERN_COLOR_R:
2492 		case V4L2_CID_TEST_PATTERN_COLOR_GR:
2493 		case V4L2_CID_TEST_PATTERN_COLOR_GB:
2494 		case V4L2_CID_TEST_PATTERN_COLOR_B:
2495 			ret = v4l2_s_ctrl(NULL,
2496 					  isp->inputs[asd->input_curr].camera->
2497 					  ctrl_handler, &ctrl);
2498 			break;
2499 		case V4L2_CID_FOCUS_ABSOLUTE:
2500 		case V4L2_CID_FOCUS_RELATIVE:
2501 		case V4L2_CID_FOCUS_STATUS:
2502 		case V4L2_CID_FOCUS_AUTO:
2503 			if (motor)
2504 				ret = v4l2_s_ctrl(NULL, motor->ctrl_handler,
2505 						  &ctrl);
2506 			else
2507 				ret = v4l2_s_ctrl(NULL,
2508 						  isp->inputs[asd->input_curr].
2509 						  camera->ctrl_handler, &ctrl);
2510 			break;
2511 		case V4L2_CID_FLASH_STATUS:
2512 		case V4L2_CID_FLASH_INTENSITY:
2513 		case V4L2_CID_FLASH_TORCH_INTENSITY:
2514 		case V4L2_CID_FLASH_INDICATOR_INTENSITY:
2515 		case V4L2_CID_FLASH_TIMEOUT:
2516 		case V4L2_CID_FLASH_STROBE:
2517 		case V4L2_CID_FLASH_MODE:
2518 		case V4L2_CID_FLASH_STATUS_REGISTER:
2519 			rt_mutex_lock(&isp->mutex);
2520 			if (isp->flash) {
2521 				ret =
2522 				    v4l2_s_ctrl(NULL, isp->flash->ctrl_handler,
2523 						&ctrl);
2524 				/*
2525 				 * When flash mode is changed we need to reset
2526 				 * flash state
2527 				 */
2528 				if (ctrl.id == V4L2_CID_FLASH_MODE) {
2529 					asd->params.flash_state =
2530 					    ATOMISP_FLASH_IDLE;
2531 					asd->params.num_flash_frames = 0;
2532 				}
2533 			}
2534 			rt_mutex_unlock(&isp->mutex);
2535 			break;
2536 		case V4L2_CID_ZOOM_ABSOLUTE:
2537 			rt_mutex_lock(&isp->mutex);
2538 			ret = atomisp_digital_zoom(asd, 1, &ctrl.value);
2539 			rt_mutex_unlock(&isp->mutex);
2540 			break;
2541 		default:
2542 			ctr = v4l2_ctrl_find(&asd->ctrl_handler, ctrl.id);
2543 			if (ctr)
2544 				ret = v4l2_ctrl_s_ctrl(ctr, ctrl.value);
2545 			else
2546 				ret = -EINVAL;
2547 		}
2548 
2549 		if (ret) {
2550 			c->error_idx = i;
2551 			break;
2552 		}
2553 		c->controls[i].value = ctrl.value;
2554 	}
2555 	return ret;
2556 }
2557 
2558 /* This ioctl allows the application to set multiple controls by class */
2559 static int atomisp_s_ext_ctrls(struct file *file, void *fh,
2560 			       struct v4l2_ext_controls *c)
2561 {
2562 	struct v4l2_control ctrl;
2563 	int i, ret = 0;
2564 
2565 	/*
2566 	 * input_lock is not need for the Camera related IOCTLs
2567 	 * The input_lock downgrade the FPS of 3A
2568 	 */
2569 	ret = atomisp_camera_s_ext_ctrls(file, fh, c);
2570 	if (ret != -EINVAL)
2571 		return ret;
2572 
2573 	for (i = 0; i < c->count; i++) {
2574 		ctrl.id = c->controls[i].id;
2575 		ctrl.value = c->controls[i].value;
2576 		ret = atomisp_s_ctrl(file, fh, &ctrl);
2577 		c->controls[i].value = ctrl.value;
2578 		if (ret) {
2579 			c->error_idx = i;
2580 			break;
2581 		}
2582 	}
2583 	return ret;
2584 }
2585 
2586 /*
2587  * vidioc_g/s_param are used to switch isp running mode
2588  */
2589 static int atomisp_g_parm(struct file *file, void *fh,
2590 			  struct v4l2_streamparm *parm)
2591 {
2592 	struct video_device *vdev = video_devdata(file);
2593 	struct atomisp_sub_device *asd = atomisp_to_video_pipe(vdev)->asd;
2594 	struct atomisp_device *isp = video_get_drvdata(vdev);
2595 
2596 	if (parm->type != V4L2_BUF_TYPE_VIDEO_CAPTURE) {
2597 		dev_err(isp->dev, "unsupported v4l2 buf type\n");
2598 		return -EINVAL;
2599 	}
2600 
2601 	rt_mutex_lock(&isp->mutex);
2602 	parm->parm.capture.capturemode = asd->run_mode->val;
2603 	rt_mutex_unlock(&isp->mutex);
2604 
2605 	return 0;
2606 }
2607 
2608 static int atomisp_s_parm(struct file *file, void *fh,
2609 			  struct v4l2_streamparm *parm)
2610 {
2611 	struct video_device *vdev = video_devdata(file);
2612 	struct atomisp_device *isp = video_get_drvdata(vdev);
2613 	struct atomisp_sub_device *asd = atomisp_to_video_pipe(vdev)->asd;
2614 	int mode;
2615 	int rval;
2616 	int fps;
2617 
2618 	if (parm->type != V4L2_BUF_TYPE_VIDEO_CAPTURE) {
2619 		dev_err(isp->dev, "unsupported v4l2 buf type\n");
2620 		return -EINVAL;
2621 	}
2622 
2623 	rt_mutex_lock(&isp->mutex);
2624 
2625 	asd->high_speed_mode = false;
2626 	switch (parm->parm.capture.capturemode) {
2627 	case CI_MODE_NONE: {
2628 		struct v4l2_subdev_frame_interval fi = {0};
2629 
2630 		fi.interval = parm->parm.capture.timeperframe;
2631 
2632 		rval = v4l2_subdev_call(isp->inputs[asd->input_curr].camera,
2633 					video, s_frame_interval, &fi);
2634 		if (!rval)
2635 			parm->parm.capture.timeperframe = fi.interval;
2636 
2637 		if (fi.interval.numerator != 0) {
2638 			fps = fi.interval.denominator / fi.interval.numerator;
2639 			if (fps > 30)
2640 				asd->high_speed_mode = true;
2641 		}
2642 
2643 		goto out;
2644 	}
2645 	case CI_MODE_VIDEO:
2646 		mode = ATOMISP_RUN_MODE_VIDEO;
2647 		break;
2648 	case CI_MODE_STILL_CAPTURE:
2649 		mode = ATOMISP_RUN_MODE_STILL_CAPTURE;
2650 		break;
2651 	case CI_MODE_CONTINUOUS:
2652 		mode = ATOMISP_RUN_MODE_CONTINUOUS_CAPTURE;
2653 		break;
2654 	case CI_MODE_PREVIEW:
2655 		mode = ATOMISP_RUN_MODE_PREVIEW;
2656 		break;
2657 	default:
2658 		rval = -EINVAL;
2659 		goto out;
2660 	}
2661 
2662 	rval = v4l2_ctrl_s_ctrl(asd->run_mode, mode);
2663 
2664 out:
2665 	rt_mutex_unlock(&isp->mutex);
2666 
2667 	return rval == -ENOIOCTLCMD ? 0 : rval;
2668 }
2669 
2670 static int atomisp_s_parm_file(struct file *file, void *fh,
2671 			       struct v4l2_streamparm *parm)
2672 {
2673 	struct video_device *vdev = video_devdata(file);
2674 	struct atomisp_device *isp = video_get_drvdata(vdev);
2675 
2676 	if (parm->type != V4L2_BUF_TYPE_VIDEO_OUTPUT) {
2677 		dev_err(isp->dev, "unsupported v4l2 buf type for output\n");
2678 		return -EINVAL;
2679 	}
2680 
2681 	rt_mutex_lock(&isp->mutex);
2682 	isp->sw_contex.file_input = true;
2683 	rt_mutex_unlock(&isp->mutex);
2684 
2685 	return 0;
2686 }
2687 
2688 static long atomisp_vidioc_default(struct file *file, void *fh,
2689 				   bool valid_prio, unsigned int cmd, void *arg)
2690 {
2691 	struct video_device *vdev = video_devdata(file);
2692 	struct atomisp_device *isp = video_get_drvdata(vdev);
2693 	struct atomisp_sub_device *asd;
2694 	struct v4l2_subdev *motor;
2695 	bool acc_node;
2696 	int err;
2697 
2698 	acc_node = !strcmp(vdev->name, "ATOMISP ISP ACC");
2699 	if (acc_node)
2700 		asd = atomisp_to_acc_pipe(vdev)->asd;
2701 	else
2702 		asd = atomisp_to_video_pipe(vdev)->asd;
2703 
2704 	if (!IS_ISP2401)
2705 		motor = isp->inputs[asd->input_curr].motor;
2706 	else
2707 		motor = isp->motor;
2708 
2709 	switch (cmd) {
2710 	case ATOMISP_IOC_G_MOTOR_PRIV_INT_DATA:
2711 	case ATOMISP_IOC_S_EXPOSURE:
2712 	case ATOMISP_IOC_G_SENSOR_CALIBRATION_GROUP:
2713 	case ATOMISP_IOC_G_SENSOR_PRIV_INT_DATA:
2714 	case ATOMISP_IOC_EXT_ISP_CTRL:
2715 	case ATOMISP_IOC_G_SENSOR_AE_BRACKETING_INFO:
2716 	case ATOMISP_IOC_S_SENSOR_AE_BRACKETING_MODE:
2717 	case ATOMISP_IOC_G_SENSOR_AE_BRACKETING_MODE:
2718 	case ATOMISP_IOC_S_SENSOR_AE_BRACKETING_LUT:
2719 	case ATOMISP_IOC_S_SENSOR_EE_CONFIG:
2720 	case ATOMISP_IOC_G_UPDATE_EXPOSURE:
2721 		/* we do not need take isp->mutex for these IOCTLs */
2722 		break;
2723 	default:
2724 		rt_mutex_lock(&isp->mutex);
2725 		break;
2726 	}
2727 	switch (cmd) {
2728 	case ATOMISP_IOC_S_SENSOR_RUNMODE:
2729 		if (IS_ISP2401)
2730 			err = atomisp_set_sensor_runmode(asd, arg);
2731 		else
2732 			err = -EINVAL;
2733 		break;
2734 
2735 	case ATOMISP_IOC_G_XNR:
2736 		err = atomisp_xnr(asd, 0, arg);
2737 		break;
2738 
2739 	case ATOMISP_IOC_S_XNR:
2740 		err = atomisp_xnr(asd, 1, arg);
2741 		break;
2742 
2743 	case ATOMISP_IOC_G_NR:
2744 		err = atomisp_nr(asd, 0, arg);
2745 		break;
2746 
2747 	case ATOMISP_IOC_S_NR:
2748 		err = atomisp_nr(asd, 1, arg);
2749 		break;
2750 
2751 	case ATOMISP_IOC_G_TNR:
2752 		err = atomisp_tnr(asd, 0, arg);
2753 		break;
2754 
2755 	case ATOMISP_IOC_S_TNR:
2756 		err = atomisp_tnr(asd, 1, arg);
2757 		break;
2758 
2759 	case ATOMISP_IOC_G_BLACK_LEVEL_COMP:
2760 		err = atomisp_black_level(asd, 0, arg);
2761 		break;
2762 
2763 	case ATOMISP_IOC_S_BLACK_LEVEL_COMP:
2764 		err = atomisp_black_level(asd, 1, arg);
2765 		break;
2766 
2767 	case ATOMISP_IOC_G_EE:
2768 		err = atomisp_ee(asd, 0, arg);
2769 		break;
2770 
2771 	case ATOMISP_IOC_S_EE:
2772 		err = atomisp_ee(asd, 1, arg);
2773 		break;
2774 
2775 	case ATOMISP_IOC_G_DIS_STAT:
2776 		err = atomisp_get_dis_stat(asd, arg);
2777 		break;
2778 
2779 	case ATOMISP_IOC_G_DVS2_BQ_RESOLUTIONS:
2780 		err = atomisp_get_dvs2_bq_resolutions(asd, arg);
2781 		break;
2782 
2783 	case ATOMISP_IOC_S_DIS_COEFS:
2784 		err = atomisp_css_cp_dvs2_coefs(asd, arg,
2785 						&asd->params.css_param, true);
2786 		if (!err && arg)
2787 			asd->params.css_update_params_needed = true;
2788 		break;
2789 
2790 	case ATOMISP_IOC_S_DIS_VECTOR:
2791 		err = atomisp_cp_dvs_6axis_config(asd, arg,
2792 						  &asd->params.css_param, true);
2793 		if (!err && arg)
2794 			asd->params.css_update_params_needed = true;
2795 		break;
2796 
2797 	case ATOMISP_IOC_G_ISP_PARM:
2798 		err = atomisp_param(asd, 0, arg);
2799 		break;
2800 
2801 	case ATOMISP_IOC_S_ISP_PARM:
2802 		err = atomisp_param(asd, 1, arg);
2803 		break;
2804 
2805 	case ATOMISP_IOC_G_3A_STAT:
2806 		err = atomisp_3a_stat(asd, 0, arg);
2807 		break;
2808 
2809 	case ATOMISP_IOC_G_ISP_GAMMA:
2810 		err = atomisp_gamma(asd, 0, arg);
2811 		break;
2812 
2813 	case ATOMISP_IOC_S_ISP_GAMMA:
2814 		err = atomisp_gamma(asd, 1, arg);
2815 		break;
2816 
2817 	case ATOMISP_IOC_G_ISP_GDC_TAB:
2818 		err = atomisp_gdc_cac_table(asd, 0, arg);
2819 		break;
2820 
2821 	case ATOMISP_IOC_S_ISP_GDC_TAB:
2822 		err = atomisp_gdc_cac_table(asd, 1, arg);
2823 		break;
2824 
2825 	case ATOMISP_IOC_G_ISP_MACC:
2826 		err = atomisp_macc_table(asd, 0, arg);
2827 		break;
2828 
2829 	case ATOMISP_IOC_S_ISP_MACC:
2830 		err = atomisp_macc_table(asd, 1, arg);
2831 		break;
2832 
2833 	case ATOMISP_IOC_G_ISP_BAD_PIXEL_DETECTION:
2834 		err = atomisp_bad_pixel_param(asd, 0, arg);
2835 		break;
2836 
2837 	case ATOMISP_IOC_S_ISP_BAD_PIXEL_DETECTION:
2838 		err = atomisp_bad_pixel_param(asd, 1, arg);
2839 		break;
2840 
2841 	case ATOMISP_IOC_G_ISP_FALSE_COLOR_CORRECTION:
2842 		err = atomisp_false_color_param(asd, 0, arg);
2843 		break;
2844 
2845 	case ATOMISP_IOC_S_ISP_FALSE_COLOR_CORRECTION:
2846 		err = atomisp_false_color_param(asd, 1, arg);
2847 		break;
2848 
2849 	case ATOMISP_IOC_G_ISP_CTC:
2850 		err = atomisp_ctc(asd, 0, arg);
2851 		break;
2852 
2853 	case ATOMISP_IOC_S_ISP_CTC:
2854 		err = atomisp_ctc(asd, 1, arg);
2855 		break;
2856 
2857 	case ATOMISP_IOC_G_ISP_WHITE_BALANCE:
2858 		err = atomisp_white_balance_param(asd, 0, arg);
2859 		break;
2860 
2861 	case ATOMISP_IOC_S_ISP_WHITE_BALANCE:
2862 		err = atomisp_white_balance_param(asd, 1, arg);
2863 		break;
2864 
2865 	case ATOMISP_IOC_G_3A_CONFIG:
2866 		err = atomisp_3a_config_param(asd, 0, arg);
2867 		break;
2868 
2869 	case ATOMISP_IOC_S_3A_CONFIG:
2870 		err = atomisp_3a_config_param(asd, 1, arg);
2871 		break;
2872 
2873 	case ATOMISP_IOC_S_ISP_FPN_TABLE:
2874 		err = atomisp_fixed_pattern_table(asd, arg);
2875 		break;
2876 
2877 	case ATOMISP_IOC_ISP_MAKERNOTE:
2878 		err = atomisp_exif_makernote(asd, arg);
2879 		break;
2880 
2881 	case ATOMISP_IOC_G_SENSOR_MODE_DATA:
2882 		err = atomisp_get_sensor_mode_data(asd, arg);
2883 		break;
2884 
2885 	case ATOMISP_IOC_G_MOTOR_PRIV_INT_DATA:
2886 		if (motor)
2887 			err = v4l2_subdev_call(motor, core, ioctl, cmd, arg);
2888 		else
2889 			err = v4l2_subdev_call(isp->inputs[asd->input_curr].camera,
2890 					       core, ioctl, cmd, arg);
2891 		break;
2892 
2893 	case ATOMISP_IOC_S_EXPOSURE:
2894 	case ATOMISP_IOC_G_SENSOR_CALIBRATION_GROUP:
2895 	case ATOMISP_IOC_G_SENSOR_PRIV_INT_DATA:
2896 	case ATOMISP_IOC_G_SENSOR_AE_BRACKETING_INFO:
2897 	case ATOMISP_IOC_S_SENSOR_AE_BRACKETING_MODE:
2898 	case ATOMISP_IOC_G_SENSOR_AE_BRACKETING_MODE:
2899 	case ATOMISP_IOC_S_SENSOR_AE_BRACKETING_LUT:
2900 		err = v4l2_subdev_call(isp->inputs[asd->input_curr].camera,
2901 				       core, ioctl, cmd, arg);
2902 		break;
2903 	case ATOMISP_IOC_G_UPDATE_EXPOSURE:
2904 		if (IS_ISP2401)
2905 			err = v4l2_subdev_call(isp->inputs[asd->input_curr].camera,
2906 					       core, ioctl, cmd, arg);
2907 		else
2908 			err = -EINVAL;
2909 		break;
2910 
2911 	case ATOMISP_IOC_ACC_LOAD:
2912 		err = atomisp_acc_load(asd, arg);
2913 		break;
2914 
2915 	case ATOMISP_IOC_ACC_LOAD_TO_PIPE:
2916 		err = atomisp_acc_load_to_pipe(asd, arg);
2917 		break;
2918 
2919 	case ATOMISP_IOC_ACC_UNLOAD:
2920 		err = atomisp_acc_unload(asd, arg);
2921 		break;
2922 
2923 	case ATOMISP_IOC_ACC_START:
2924 		err = atomisp_acc_start(asd, arg);
2925 		break;
2926 
2927 	case ATOMISP_IOC_ACC_WAIT:
2928 		err = atomisp_acc_wait(asd, arg);
2929 		break;
2930 
2931 	case ATOMISP_IOC_ACC_MAP:
2932 		err = atomisp_acc_map(asd, arg);
2933 		break;
2934 
2935 	case ATOMISP_IOC_ACC_UNMAP:
2936 		err = atomisp_acc_unmap(asd, arg);
2937 		break;
2938 
2939 	case ATOMISP_IOC_ACC_S_MAPPED_ARG:
2940 		err = atomisp_acc_s_mapped_arg(asd, arg);
2941 		break;
2942 
2943 	case ATOMISP_IOC_S_ISP_SHD_TAB:
2944 		err = atomisp_set_shading_table(asd, arg);
2945 		break;
2946 
2947 	case ATOMISP_IOC_G_ISP_GAMMA_CORRECTION:
2948 		err = atomisp_gamma_correction(asd, 0, arg);
2949 		break;
2950 
2951 	case ATOMISP_IOC_S_ISP_GAMMA_CORRECTION:
2952 		err = atomisp_gamma_correction(asd, 1, arg);
2953 		break;
2954 
2955 	case ATOMISP_IOC_S_PARAMETERS:
2956 		err = atomisp_set_parameters(vdev, arg);
2957 		break;
2958 
2959 	case ATOMISP_IOC_S_CONT_CAPTURE_CONFIG:
2960 		err = atomisp_offline_capture_configure(asd, arg);
2961 		break;
2962 	case ATOMISP_IOC_G_METADATA:
2963 		err = atomisp_get_metadata(asd, 0, arg);
2964 		break;
2965 	case ATOMISP_IOC_G_METADATA_BY_TYPE:
2966 		err = atomisp_get_metadata_by_type(asd, 0, arg);
2967 		break;
2968 	case ATOMISP_IOC_EXT_ISP_CTRL:
2969 		err = v4l2_subdev_call(isp->inputs[asd->input_curr].camera,
2970 				       core, ioctl, cmd, arg);
2971 		break;
2972 	case ATOMISP_IOC_EXP_ID_UNLOCK:
2973 		err = atomisp_exp_id_unlock(asd, arg);
2974 		break;
2975 	case ATOMISP_IOC_EXP_ID_CAPTURE:
2976 		err = atomisp_exp_id_capture(asd, arg);
2977 		break;
2978 	case ATOMISP_IOC_S_ENABLE_DZ_CAPT_PIPE:
2979 		err = atomisp_enable_dz_capt_pipe(asd, arg);
2980 		break;
2981 	case ATOMISP_IOC_G_FORMATS_CONFIG:
2982 		err = atomisp_formats(asd, 0, arg);
2983 		break;
2984 
2985 	case ATOMISP_IOC_S_FORMATS_CONFIG:
2986 		err = atomisp_formats(asd, 1, arg);
2987 		break;
2988 	case ATOMISP_IOC_S_EXPOSURE_WINDOW:
2989 		err = atomisp_s_ae_window(asd, arg);
2990 		break;
2991 	case ATOMISP_IOC_S_ACC_STATE:
2992 		err = atomisp_acc_set_state(asd, arg);
2993 		break;
2994 	case ATOMISP_IOC_G_ACC_STATE:
2995 		err = atomisp_acc_get_state(asd, arg);
2996 		break;
2997 	case ATOMISP_IOC_INJECT_A_FAKE_EVENT:
2998 		err = atomisp_inject_a_fake_event(asd, arg);
2999 		break;
3000 	case ATOMISP_IOC_G_INVALID_FRAME_NUM:
3001 		err = atomisp_get_invalid_frame_num(vdev, arg);
3002 		break;
3003 	case ATOMISP_IOC_S_ARRAY_RESOLUTION:
3004 		err = atomisp_set_array_res(asd, arg);
3005 		break;
3006 	default:
3007 		err = -EINVAL;
3008 		break;
3009 	}
3010 
3011 	switch (cmd) {
3012 	case ATOMISP_IOC_G_MOTOR_PRIV_INT_DATA:
3013 	case ATOMISP_IOC_S_EXPOSURE:
3014 	case ATOMISP_IOC_G_SENSOR_CALIBRATION_GROUP:
3015 	case ATOMISP_IOC_G_SENSOR_PRIV_INT_DATA:
3016 	case ATOMISP_IOC_EXT_ISP_CTRL:
3017 	case ATOMISP_IOC_G_SENSOR_AE_BRACKETING_INFO:
3018 	case ATOMISP_IOC_S_SENSOR_AE_BRACKETING_MODE:
3019 	case ATOMISP_IOC_G_SENSOR_AE_BRACKETING_MODE:
3020 	case ATOMISP_IOC_S_SENSOR_AE_BRACKETING_LUT:
3021 	case ATOMISP_IOC_G_UPDATE_EXPOSURE:
3022 		break;
3023 	default:
3024 		rt_mutex_unlock(&isp->mutex);
3025 		break;
3026 	}
3027 	return err;
3028 }
3029 
3030 const struct v4l2_ioctl_ops atomisp_ioctl_ops = {
3031 	.vidioc_querycap = atomisp_querycap,
3032 	.vidioc_enum_input = atomisp_enum_input,
3033 	.vidioc_g_input = atomisp_g_input,
3034 	.vidioc_s_input = atomisp_s_input,
3035 	.vidioc_queryctrl = atomisp_queryctl,
3036 	.vidioc_s_ctrl = atomisp_s_ctrl,
3037 	.vidioc_g_ctrl = atomisp_g_ctrl,
3038 	.vidioc_s_ext_ctrls = atomisp_s_ext_ctrls,
3039 	.vidioc_g_ext_ctrls = atomisp_g_ext_ctrls,
3040 	.vidioc_enum_fmt_vid_cap = atomisp_enum_fmt_cap,
3041 	.vidioc_try_fmt_vid_cap = atomisp_try_fmt_cap,
3042 	.vidioc_g_fmt_vid_cap = atomisp_g_fmt_cap,
3043 	.vidioc_s_fmt_vid_cap = atomisp_s_fmt_cap,
3044 	.vidioc_reqbufs = atomisp_reqbufs,
3045 	.vidioc_querybuf = atomisp_querybuf,
3046 	.vidioc_qbuf = atomisp_qbuf,
3047 	.vidioc_dqbuf = atomisp_dqbuf,
3048 	.vidioc_streamon = atomisp_streamon,
3049 	.vidioc_streamoff = atomisp_streamoff,
3050 	.vidioc_default = atomisp_vidioc_default,
3051 	.vidioc_s_parm = atomisp_s_parm,
3052 	.vidioc_g_parm = atomisp_g_parm,
3053 };
3054 
3055 const struct v4l2_ioctl_ops atomisp_file_ioctl_ops = {
3056 	.vidioc_querycap = atomisp_querycap,
3057 	.vidioc_g_fmt_vid_out = atomisp_g_fmt_file,
3058 	.vidioc_s_fmt_vid_out = atomisp_s_fmt_file,
3059 	.vidioc_s_parm = atomisp_s_parm_file,
3060 	.vidioc_reqbufs = atomisp_reqbufs_file,
3061 	.vidioc_querybuf = atomisp_querybuf_file,
3062 	.vidioc_qbuf = atomisp_qbuf_file,
3063 };
3064