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 *atomisp_get_format_bridge(
515     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 *atomisp_get_format_bridge_from_mbus(
528     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) - 1);
551 	strscpy(cap->card, CARD, sizeof(cap->card) - 1);
552 	snprintf(cap->bus_info, sizeof(cap->bus_info), "PCI:%s",
553 		 pci_name(isp->pdev));
554 
555 	return 0;
556 }
557 
558 /*
559  * enum input are used to check primary/secondary camera
560  */
561 static int atomisp_enum_input(struct file *file, void *fh,
562 			      struct v4l2_input *input)
563 {
564 	struct video_device *vdev = video_devdata(file);
565 	struct atomisp_device *isp = video_get_drvdata(vdev);
566 	int index = input->index;
567 	struct v4l2_subdev *motor;
568 
569 	if (index >= isp->input_cnt)
570 		return -EINVAL;
571 
572 	if (!isp->inputs[index].camera)
573 		return -EINVAL;
574 
575 	memset(input, 0, sizeof(struct v4l2_input));
576 	strncpy(input->name, isp->inputs[index].camera->name,
577 		sizeof(input->name) - 1);
578 
579 	/*
580 	 * HACK: append actuator's name to sensor's
581 	 * As currently userspace can't talk directly to subdev nodes, this
582 	 * ioctl is the only way to enum inputs + possible external actuators
583 	 * for 3A tuning purpose.
584 	 */
585 	if (!atomisp_hw_is_isp2401)
586 		motor = isp->inputs[index].motor;
587 	else
588 		motor = isp->motor;
589 
590 	if (motor && strlen(motor->name) > 0) {
591 		const int cur_len = strlen(input->name);
592 		const int max_size = sizeof(input->name) - cur_len - 1;
593 
594 		if (max_size > 1) {
595 			input->name[cur_len] = '+';
596 			strncpy(&input->name[cur_len + 1],
597 				motor->name, max_size - 1);
598 		}
599 	}
600 
601 	input->type = V4L2_INPUT_TYPE_CAMERA;
602 	input->index = index;
603 	input->reserved[0] = isp->inputs[index].type;
604 	input->reserved[1] = isp->inputs[index].port;
605 
606 	return 0;
607 }
608 
609 static unsigned int atomisp_subdev_streaming_count(
610     struct atomisp_sub_device *asd)
611 {
612 	return asd->video_out_preview.capq.streaming
613 	       + asd->video_out_capture.capq.streaming
614 	       + asd->video_out_video_capture.capq.streaming
615 	       + asd->video_out_vf.capq.streaming
616 	       + asd->video_in.capq.streaming;
617 }
618 
619 unsigned int atomisp_streaming_count(struct atomisp_device *isp)
620 {
621 	unsigned int i, sum;
622 
623 	for (i = 0, sum = 0; i < isp->num_of_streams; i++)
624 		sum += isp->asd[i].streaming ==
625 		       ATOMISP_DEVICE_STREAMING_ENABLED;
626 
627 	return sum;
628 }
629 
630 unsigned int atomisp_is_acc_enabled(struct atomisp_device *isp)
631 {
632 	unsigned int i;
633 
634 	for (i = 0; i < isp->num_of_streams; i++)
635 		if (isp->asd[i].acc.pipeline)
636 			return 1;
637 
638 	return 0;
639 }
640 
641 /*
642  * get input are used to get current primary/secondary camera
643  */
644 static int atomisp_g_input(struct file *file, void *fh, unsigned int *input)
645 {
646 	struct video_device *vdev = video_devdata(file);
647 	struct atomisp_device *isp = video_get_drvdata(vdev);
648 	struct atomisp_sub_device *asd = atomisp_to_video_pipe(vdev)->asd;
649 
650 	rt_mutex_lock(&isp->mutex);
651 	*input = asd->input_curr;
652 	rt_mutex_unlock(&isp->mutex);
653 
654 	return 0;
655 }
656 
657 /*
658  * set input are used to set current primary/secondary camera
659  */
660 static int atomisp_s_input(struct file *file, void *fh, unsigned int input)
661 {
662 	struct video_device *vdev = video_devdata(file);
663 	struct atomisp_device *isp = video_get_drvdata(vdev);
664 	struct atomisp_sub_device *asd = atomisp_to_video_pipe(vdev)->asd;
665 	struct v4l2_subdev *camera = NULL;
666 	struct v4l2_subdev *motor;
667 	int ret;
668 
669 	rt_mutex_lock(&isp->mutex);
670 	if (input >= ATOM_ISP_MAX_INPUTS || input >= isp->input_cnt) {
671 		dev_dbg(isp->dev, "input_cnt: %d\n", isp->input_cnt);
672 		ret = -EINVAL;
673 		goto error;
674 	}
675 
676 	/*
677 	 * check whether the request camera:
678 	 * 1: already in use
679 	 * 2: if in use, whether it is used by other streams
680 	 */
681 	if (isp->inputs[input].asd && isp->inputs[input].asd != asd) {
682 		dev_err(isp->dev,
683 			"%s, camera is already used by stream: %d\n", __func__,
684 			isp->inputs[input].asd->index);
685 		ret = -EBUSY;
686 		goto error;
687 	}
688 
689 	camera = isp->inputs[input].camera;
690 	if (!camera) {
691 		dev_err(isp->dev, "%s, no camera\n", __func__);
692 		ret = -EINVAL;
693 		goto error;
694 	}
695 
696 	if (atomisp_subdev_streaming_count(asd)) {
697 		dev_err(isp->dev,
698 			"ISP is still streaming, stop first\n");
699 		ret = -EINVAL;
700 		goto error;
701 	}
702 
703 	/* power off the current owned sensor, as it is not used this time */
704 	if (isp->inputs[asd->input_curr].asd == asd &&
705 	    asd->input_curr != input) {
706 		ret = v4l2_subdev_call(isp->inputs[asd->input_curr].camera,
707 				       core, s_power, 0);
708 		if (ret)
709 			dev_warn(isp->dev,
710 				 "Failed to power-off sensor\n");
711 		/* clear the asd field to show this camera is not used */
712 		isp->inputs[asd->input_curr].asd = NULL;
713 	}
714 
715 	/* powe on the new sensor */
716 	ret = v4l2_subdev_call(isp->inputs[input].camera, core, s_power, 1);
717 	if (ret) {
718 		dev_err(isp->dev, "Failed to power-on sensor\n");
719 		goto error;
720 	}
721 	/*
722 	 * Some sensor driver resets the run mode during power-on, thus force
723 	 * update the run mode to sensor after power-on.
724 	 */
725 	atomisp_update_run_mode(asd);
726 
727 	/* select operating sensor */
728 	ret = v4l2_subdev_call(isp->inputs[input].camera, video, s_routing,
729 			       0, isp->inputs[input].sensor_index, 0);
730 	if (ret && (ret != -ENOIOCTLCMD)) {
731 		dev_err(isp->dev, "Failed to select sensor\n");
732 		goto error;
733 	}
734 
735 	if (!atomisp_hw_is_isp2401) {
736 		motor = isp->inputs[input].motor;
737 	} else {
738 		motor = isp->motor;
739 		if (motor)
740 			ret = v4l2_subdev_call(motor, core, s_power, 1);
741 	}
742 
743 	if (!isp->sw_contex.file_input && motor)
744 		ret = v4l2_subdev_call(motor, core, init, 1);
745 
746 	asd->input_curr = input;
747 	/* mark this camera is used by the current stream */
748 	isp->inputs[input].asd = asd;
749 	rt_mutex_unlock(&isp->mutex);
750 
751 	return 0;
752 
753 error:
754 	rt_mutex_unlock(&isp->mutex);
755 
756 	return ret;
757 }
758 
759 static int atomisp_enum_fmt_cap(struct file *file, void *fh,
760 				struct v4l2_fmtdesc *f)
761 {
762 	struct video_device *vdev = video_devdata(file);
763 	struct atomisp_device *isp = video_get_drvdata(vdev);
764 	struct atomisp_sub_device *asd = atomisp_to_video_pipe(vdev)->asd;
765 	struct v4l2_subdev_mbus_code_enum code = { 0 };
766 	unsigned int i, fi = 0;
767 	int rval;
768 
769 	rt_mutex_lock(&isp->mutex);
770 	rval = v4l2_subdev_call(isp->inputs[asd->input_curr].camera, pad,
771 				enum_mbus_code, NULL, &code);
772 	if (rval == -ENOIOCTLCMD) {
773 		dev_warn(isp->dev,
774 			 "enum_mbus_code pad op not supported. Please fix your sensor driver!\n");
775 		//	rval = v4l2_subdev_call(isp->inputs[asd->input_curr].camera,
776 		//				video, enum_mbus_fmt, 0, &code.code);
777 	}
778 	rt_mutex_unlock(&isp->mutex);
779 
780 	if (rval)
781 		return rval;
782 
783 	for (i = 0; i < ARRAY_SIZE(atomisp_output_fmts); i++) {
784 		const struct atomisp_format_bridge *format =
785 			    &atomisp_output_fmts[i];
786 
787 		/*
788 		 * Is the atomisp-supported format is valid for the
789 		 * sensor (configuration)? If not, skip it.
790 		 */
791 		if (format->sh_fmt == IA_CSS_FRAME_FORMAT_RAW
792 		    && format->mbus_code != code.code)
793 			continue;
794 
795 		/* Found a match. Now let's pick f->index'th one. */
796 		if (fi < f->index) {
797 			fi++;
798 			continue;
799 		}
800 
801 		strlcpy(f->description, format->description,
802 			sizeof(f->description));
803 		f->pixelformat = format->pixelformat;
804 		return 0;
805 	}
806 
807 	return -EINVAL;
808 }
809 
810 static int atomisp_g_fmt_cap(struct file *file, void *fh,
811 			     struct v4l2_format *f)
812 {
813 	struct video_device *vdev = video_devdata(file);
814 	struct atomisp_device *isp = video_get_drvdata(vdev);
815 
816 	int ret;
817 
818 	rt_mutex_lock(&isp->mutex);
819 	ret = atomisp_get_fmt(vdev, f);
820 	rt_mutex_unlock(&isp->mutex);
821 	return ret;
822 }
823 
824 static int atomisp_g_fmt_file(struct file *file, void *fh,
825 			      struct v4l2_format *f)
826 {
827 	struct video_device *vdev = video_devdata(file);
828 	struct atomisp_device *isp = video_get_drvdata(vdev);
829 	struct atomisp_video_pipe *pipe = atomisp_to_video_pipe(vdev);
830 
831 	rt_mutex_lock(&isp->mutex);
832 	f->fmt.pix = pipe->pix;
833 	rt_mutex_unlock(&isp->mutex);
834 
835 	return 0;
836 }
837 
838 /* This function looks up the closest available resolution. */
839 static int atomisp_try_fmt_cap(struct file *file, void *fh,
840 			       struct v4l2_format *f)
841 {
842 	struct video_device *vdev = video_devdata(file);
843 	struct atomisp_device *isp = video_get_drvdata(vdev);
844 	int ret;
845 
846 	rt_mutex_lock(&isp->mutex);
847 	ret = atomisp_try_fmt(vdev, f, NULL);
848 	rt_mutex_unlock(&isp->mutex);
849 	return ret;
850 }
851 
852 static int atomisp_s_fmt_cap(struct file *file, void *fh,
853 			     struct v4l2_format *f)
854 {
855 	struct video_device *vdev = video_devdata(file);
856 	struct atomisp_device *isp = video_get_drvdata(vdev);
857 	int ret;
858 
859 	rt_mutex_lock(&isp->mutex);
860 	if (isp->isp_fatal_error) {
861 		ret = -EIO;
862 		rt_mutex_unlock(&isp->mutex);
863 		return ret;
864 	}
865 	ret = atomisp_set_fmt(vdev, f);
866 	rt_mutex_unlock(&isp->mutex);
867 	return ret;
868 }
869 
870 static int atomisp_s_fmt_file(struct file *file, void *fh,
871 			      struct v4l2_format *f)
872 {
873 	struct video_device *vdev = video_devdata(file);
874 	struct atomisp_device *isp = video_get_drvdata(vdev);
875 	int ret;
876 
877 	rt_mutex_lock(&isp->mutex);
878 	ret = atomisp_set_fmt_file(vdev, f);
879 	rt_mutex_unlock(&isp->mutex);
880 	return ret;
881 }
882 
883 /*
884  * Free videobuffer buffer priv data
885  */
886 void atomisp_videobuf_free_buf(struct videobuf_buffer *vb)
887 {
888 	struct videobuf_vmalloc_memory *vm_mem;
889 
890 	if (!vb)
891 		return;
892 
893 	vm_mem = vb->priv;
894 	if (vm_mem && vm_mem->vaddr) {
895 		ia_css_frame_free(vm_mem->vaddr);
896 		vm_mem->vaddr = NULL;
897 	}
898 }
899 
900 /*
901  * this function is used to free video buffer queue
902  */
903 static void atomisp_videobuf_free_queue(struct videobuf_queue *q)
904 {
905 	int i;
906 
907 	for (i = 0; i < VIDEO_MAX_FRAME; i++) {
908 		atomisp_videobuf_free_buf(q->bufs[i]);
909 		kfree(q->bufs[i]);
910 		q->bufs[i] = NULL;
911 	}
912 }
913 
914 int atomisp_alloc_css_stat_bufs(struct atomisp_sub_device *asd,
915 				uint16_t stream_id)
916 {
917 	struct atomisp_device *isp = asd->isp;
918 	struct atomisp_s3a_buf *s3a_buf = NULL, *_s3a_buf;
919 	struct atomisp_dis_buf *dis_buf = NULL, *_dis_buf;
920 	struct atomisp_metadata_buf *md_buf = NULL, *_md_buf;
921 	int count;
922 	struct ia_css_dvs_grid_info *dvs_grid_info =
923 	    atomisp_css_get_dvs_grid_info(&asd->params.curr_grid_info);
924 	unsigned int i;
925 
926 	if (list_empty(&asd->s3a_stats) &&
927 	    asd->params.curr_grid_info.s3a_grid.enable) {
928 		count = ATOMISP_CSS_Q_DEPTH +
929 			ATOMISP_S3A_BUF_QUEUE_DEPTH_FOR_HAL;
930 		dev_dbg(isp->dev, "allocating %d 3a buffers\n", count);
931 		while (count--) {
932 			s3a_buf = kzalloc(sizeof(struct atomisp_s3a_buf), GFP_KERNEL);
933 			if (!s3a_buf)
934 				goto error;
935 
936 			if (atomisp_css_allocate_stat_buffers(
937 				asd, stream_id, s3a_buf, NULL, NULL)) {
938 				kfree(s3a_buf);
939 				goto error;
940 			}
941 
942 			list_add_tail(&s3a_buf->list, &asd->s3a_stats);
943 		}
944 	}
945 
946 	if (list_empty(&asd->dis_stats) && dvs_grid_info &&
947 	    dvs_grid_info->enable) {
948 		count = ATOMISP_CSS_Q_DEPTH + 1;
949 		dev_dbg(isp->dev, "allocating %d dis buffers\n", count);
950 		while (count--) {
951 			dis_buf = kzalloc(sizeof(struct atomisp_dis_buf), GFP_KERNEL);
952 			if (!dis_buf) {
953 				kfree(s3a_buf);
954 				goto error;
955 			}
956 			if (atomisp_css_allocate_stat_buffers(
957 				asd, stream_id, NULL, dis_buf, NULL)) {
958 				kfree(dis_buf);
959 				goto error;
960 			}
961 
962 			list_add_tail(&dis_buf->list, &asd->dis_stats);
963 		}
964 	}
965 
966 	for (i = 0; i < ATOMISP_METADATA_TYPE_NUM; i++) {
967 		if (list_empty(&asd->metadata[i]) &&
968 		    list_empty(&asd->metadata_ready[i]) &&
969 		    list_empty(&asd->metadata_in_css[i])) {
970 			count = ATOMISP_CSS_Q_DEPTH +
971 				ATOMISP_METADATA_QUEUE_DEPTH_FOR_HAL;
972 			dev_dbg(isp->dev, "allocating %d metadata buffers for type %d\n",
973 				count, i);
974 			while (count--) {
975 				md_buf = kzalloc(sizeof(struct atomisp_metadata_buf),
976 						 GFP_KERNEL);
977 				if (!md_buf)
978 					goto error;
979 
980 				if (atomisp_css_allocate_stat_buffers(
981 					asd, stream_id, NULL, NULL, md_buf)) {
982 					kfree(md_buf);
983 					goto error;
984 				}
985 				list_add_tail(&md_buf->list, &asd->metadata[i]);
986 			}
987 		}
988 	}
989 	return 0;
990 
991 error:
992 	dev_err(isp->dev, "failed to allocate statistics buffers\n");
993 
994 	list_for_each_entry_safe(dis_buf, _dis_buf, &asd->dis_stats, list) {
995 		atomisp_css_free_dis_buffer(dis_buf);
996 		list_del(&dis_buf->list);
997 		kfree(dis_buf);
998 	}
999 
1000 	list_for_each_entry_safe(s3a_buf, _s3a_buf, &asd->s3a_stats, list) {
1001 		atomisp_css_free_3a_buffer(s3a_buf);
1002 		list_del(&s3a_buf->list);
1003 		kfree(s3a_buf);
1004 	}
1005 
1006 	for (i = 0; i < ATOMISP_METADATA_TYPE_NUM; i++) {
1007 		list_for_each_entry_safe(md_buf, _md_buf, &asd->metadata[i],
1008 					 list) {
1009 			atomisp_css_free_metadata_buffer(md_buf);
1010 			list_del(&md_buf->list);
1011 			kfree(md_buf);
1012 		}
1013 	}
1014 	return -ENOMEM;
1015 }
1016 
1017 /*
1018  * Initiate Memory Mapping or User Pointer I/O
1019  */
1020 int __atomisp_reqbufs(struct file *file, void *fh,
1021 		      struct v4l2_requestbuffers *req)
1022 {
1023 	struct video_device *vdev = video_devdata(file);
1024 	struct atomisp_video_pipe *pipe = atomisp_to_video_pipe(vdev);
1025 	struct atomisp_sub_device *asd = pipe->asd;
1026 	struct ia_css_frame_info frame_info;
1027 	struct ia_css_frame *frame;
1028 	struct videobuf_vmalloc_memory *vm_mem;
1029 	u16 source_pad = atomisp_subdev_source_pad(vdev);
1030 	u16 stream_id = atomisp_source_pad_to_stream_id(asd, source_pad);
1031 	int ret = 0, i = 0;
1032 
1033 	if (req->count == 0) {
1034 		mutex_lock(&pipe->capq.vb_lock);
1035 		if (!list_empty(&pipe->capq.stream))
1036 			videobuf_queue_cancel(&pipe->capq);
1037 
1038 		atomisp_videobuf_free_queue(&pipe->capq);
1039 		mutex_unlock(&pipe->capq.vb_lock);
1040 		/* clear request config id */
1041 		memset(pipe->frame_request_config_id, 0,
1042 		       VIDEO_MAX_FRAME * sizeof(unsigned int));
1043 		memset(pipe->frame_params, 0,
1044 		       VIDEO_MAX_FRAME *
1045 		       sizeof(struct atomisp_css_params_with_list *));
1046 		return 0;
1047 	}
1048 
1049 	ret = videobuf_reqbufs(&pipe->capq, req);
1050 	if (ret)
1051 		return ret;
1052 
1053 	atomisp_alloc_css_stat_bufs(asd, stream_id);
1054 
1055 	/*
1056 	 * for user pointer type, buffers are not really allocated here,
1057 	 * buffers are setup in QBUF operation through v4l2_buffer structure
1058 	 */
1059 	if (req->memory == V4L2_MEMORY_USERPTR)
1060 		return 0;
1061 
1062 	ret = atomisp_get_css_frame_info(asd, source_pad, &frame_info);
1063 	if (ret)
1064 		return ret;
1065 
1066 	/*
1067 	 * Allocate the real frame here for selected node using our
1068 	 * memory management function
1069 	 */
1070 	for (i = 0; i < req->count; i++) {
1071 		if (ia_css_frame_allocate_from_info(&frame, &frame_info))
1072 			goto error;
1073 		vm_mem = pipe->capq.bufs[i]->priv;
1074 		vm_mem->vaddr = frame;
1075 	}
1076 
1077 	return ret;
1078 
1079 error:
1080 	while (i--) {
1081 		vm_mem = pipe->capq.bufs[i]->priv;
1082 		ia_css_frame_free(vm_mem->vaddr);
1083 	}
1084 
1085 	if (asd->vf_frame)
1086 		ia_css_frame_free(asd->vf_frame);
1087 
1088 	return -ENOMEM;
1089 }
1090 
1091 int atomisp_reqbufs(struct file *file, void *fh,
1092 		    struct v4l2_requestbuffers *req)
1093 {
1094 	struct video_device *vdev = video_devdata(file);
1095 	struct atomisp_device *isp = video_get_drvdata(vdev);
1096 	int ret;
1097 
1098 	rt_mutex_lock(&isp->mutex);
1099 	ret = __atomisp_reqbufs(file, fh, req);
1100 	rt_mutex_unlock(&isp->mutex);
1101 
1102 	return ret;
1103 }
1104 
1105 static int atomisp_reqbufs_file(struct file *file, void *fh,
1106 				struct v4l2_requestbuffers *req)
1107 {
1108 	struct video_device *vdev = video_devdata(file);
1109 	struct atomisp_video_pipe *pipe = atomisp_to_video_pipe(vdev);
1110 
1111 	if (req->count == 0) {
1112 		mutex_lock(&pipe->outq.vb_lock);
1113 		atomisp_videobuf_free_queue(&pipe->outq);
1114 		mutex_unlock(&pipe->outq.vb_lock);
1115 		return 0;
1116 	}
1117 
1118 	return videobuf_reqbufs(&pipe->outq, req);
1119 }
1120 
1121 /* application query the status of a buffer */
1122 static int atomisp_querybuf(struct file *file, void *fh,
1123 			    struct v4l2_buffer *buf)
1124 {
1125 	struct video_device *vdev = video_devdata(file);
1126 	struct atomisp_video_pipe *pipe = atomisp_to_video_pipe(vdev);
1127 
1128 	return videobuf_querybuf(&pipe->capq, buf);
1129 }
1130 
1131 static int atomisp_querybuf_file(struct file *file, void *fh,
1132 				 struct v4l2_buffer *buf)
1133 {
1134 	struct video_device *vdev = video_devdata(file);
1135 	struct atomisp_video_pipe *pipe = atomisp_to_video_pipe(vdev);
1136 
1137 	return videobuf_querybuf(&pipe->outq, buf);
1138 }
1139 
1140 /*
1141  * Applications call the VIDIOC_QBUF ioctl to enqueue an empty (capturing) or
1142  * filled (output) buffer in the drivers incoming queue.
1143  */
1144 static int atomisp_qbuf(struct file *file, void *fh, struct v4l2_buffer *buf)
1145 {
1146 	static const int NOFLUSH_FLAGS = V4L2_BUF_FLAG_NO_CACHE_INVALIDATE |
1147 					 V4L2_BUF_FLAG_NO_CACHE_CLEAN;
1148 	struct video_device *vdev = video_devdata(file);
1149 	struct atomisp_device *isp = video_get_drvdata(vdev);
1150 	struct atomisp_video_pipe *pipe = atomisp_to_video_pipe(vdev);
1151 	struct atomisp_sub_device *asd = pipe->asd;
1152 	struct videobuf_buffer *vb;
1153 	struct videobuf_vmalloc_memory *vm_mem;
1154 	struct ia_css_frame_info frame_info;
1155 	struct ia_css_frame *handle = NULL;
1156 	u32 length;
1157 	u32 pgnr;
1158 	int ret = 0;
1159 
1160 	rt_mutex_lock(&isp->mutex);
1161 	if (isp->isp_fatal_error) {
1162 		ret = -EIO;
1163 		goto error;
1164 	}
1165 
1166 	if (asd->streaming == ATOMISP_DEVICE_STREAMING_STOPPING) {
1167 		dev_err(isp->dev, "%s: reject, as ISP at stopping.\n",
1168 			__func__);
1169 		ret = -EIO;
1170 		goto error;
1171 	}
1172 
1173 	if (!buf || buf->index >= VIDEO_MAX_FRAME ||
1174 	    !pipe->capq.bufs[buf->index]) {
1175 		dev_err(isp->dev, "Invalid index for qbuf.\n");
1176 		ret = -EINVAL;
1177 		goto error;
1178 	}
1179 
1180 	/*
1181 	 * For userptr type frame, we convert user space address to physic
1182 	 * address and reprograme out page table properly
1183 	 */
1184 	if (buf->memory == V4L2_MEMORY_USERPTR) {
1185 		vb = pipe->capq.bufs[buf->index];
1186 		vm_mem = vb->priv;
1187 		if (!vm_mem) {
1188 			ret = -EINVAL;
1189 			goto error;
1190 		}
1191 
1192 		length = vb->bsize;
1193 		pgnr = (length + (PAGE_SIZE - 1)) >> PAGE_SHIFT;
1194 
1195 		if (vb->baddr == buf->m.userptr && vm_mem->vaddr)
1196 			goto done;
1197 
1198 		if (atomisp_get_css_frame_info(asd,
1199 					       atomisp_subdev_source_pad(vdev), &frame_info)) {
1200 			ret = -EIO;
1201 			goto error;
1202 		}
1203 
1204 		ret = ia_css_frame_map(&handle, &frame_info,
1205 					    (void __user *)buf->m.userptr,
1206 					    0, pgnr);
1207 		if (ret) {
1208 			dev_err(isp->dev, "Failed to map user buffer\n");
1209 			goto error;
1210 		}
1211 
1212 		if (vm_mem->vaddr) {
1213 			mutex_lock(&pipe->capq.vb_lock);
1214 			ia_css_frame_free(vm_mem->vaddr);
1215 			vm_mem->vaddr = NULL;
1216 			vb->state = VIDEOBUF_NEEDS_INIT;
1217 			mutex_unlock(&pipe->capq.vb_lock);
1218 		}
1219 
1220 		vm_mem->vaddr = handle;
1221 
1222 		buf->flags &= ~V4L2_BUF_FLAG_MAPPED;
1223 		buf->flags |= V4L2_BUF_FLAG_QUEUED;
1224 		buf->flags &= ~V4L2_BUF_FLAG_DONE;
1225 	} else if (buf->memory == V4L2_MEMORY_MMAP) {
1226 		buf->flags |= V4L2_BUF_FLAG_MAPPED;
1227 		buf->flags |= V4L2_BUF_FLAG_QUEUED;
1228 		buf->flags &= ~V4L2_BUF_FLAG_DONE;
1229 
1230 		/*
1231 		 * For mmap, frames were allocated at request buffers
1232 		 */
1233 	}
1234 
1235 done:
1236 	if (!((buf->flags & NOFLUSH_FLAGS) == NOFLUSH_FLAGS))
1237 		wbinvd();
1238 
1239 	if (!atomisp_is_vf_pipe(pipe) &&
1240 	    (buf->reserved2 & ATOMISP_BUFFER_HAS_PER_FRAME_SETTING)) {
1241 		/* this buffer will have a per-frame parameter */
1242 		pipe->frame_request_config_id[buf->index] = buf->reserved2 &
1243 			~ATOMISP_BUFFER_HAS_PER_FRAME_SETTING;
1244 		dev_dbg(isp->dev,
1245 			"This buffer requires per_frame setting which has isp_config_id %d\n",
1246 			pipe->frame_request_config_id[buf->index]);
1247 	} else {
1248 		pipe->frame_request_config_id[buf->index] = 0;
1249 	}
1250 
1251 	pipe->frame_params[buf->index] = NULL;
1252 
1253 	rt_mutex_unlock(&isp->mutex);
1254 
1255 	ret = videobuf_qbuf(&pipe->capq, buf);
1256 	rt_mutex_lock(&isp->mutex);
1257 	if (ret)
1258 		goto error;
1259 
1260 	/* TODO: do this better, not best way to queue to css */
1261 	if (asd->streaming == ATOMISP_DEVICE_STREAMING_ENABLED) {
1262 		if (!list_empty(&pipe->buffers_waiting_for_param)) {
1263 			atomisp_handle_parameter_and_buffer(pipe);
1264 		} else {
1265 			atomisp_qbuffers_to_css(asd);
1266 
1267 			if (!atomisp_hw_is_isp2401) {
1268 				if (!atomisp_is_wdt_running(asd) && atomisp_buffers_queued(asd))
1269 					atomisp_wdt_start(asd);
1270 			} else {
1271 				if (!atomisp_is_wdt_running(pipe) &&
1272 				    atomisp_buffers_queued_pipe(pipe))
1273 					atomisp_wdt_start_pipe(pipe);
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 	if (asd->continuous_mode->val &&
1286 	    atomisp_subdev_source_pad(vdev)
1287 	    == ATOMISP_SUBDEV_PAD_SOURCE_CAPTURE &&
1288 	    pipe->capq.streaming &&
1289 	    !asd->enable_raw_buffer_lock->val &&
1290 	    asd->params.offline_parm.num_captures == 1) {
1291 		if (!atomisp_hw_is_isp2401) {
1292 			asd->pending_capture_request++;
1293 			dev_dbg(isp->dev, "Add one pending capture request.\n");
1294 		} else {
1295 			if (asd->re_trigger_capture) {
1296 				ret = atomisp_css_offline_capture_configure(asd,
1297 					asd->params.offline_parm.num_captures,
1298 					asd->params.offline_parm.skip_frames,
1299 					asd->params.offline_parm.offset);
1300 				asd->re_trigger_capture = false;
1301 				dev_dbg(isp->dev, "%s Trigger capture again ret=%d\n",
1302 					__func__, ret);
1303 
1304 			} else {
1305 				asd->pending_capture_request++;
1306 				asd->re_trigger_capture = false;
1307 				dev_dbg(isp->dev, "Add one pending capture request.\n");
1308 			}
1309 		}
1310 	}
1311 	rt_mutex_unlock(&isp->mutex);
1312 
1313 	dev_dbg(isp->dev, "qbuf buffer %d (%s) for asd%d\n", buf->index,
1314 		vdev->name, asd->index);
1315 
1316 	return ret;
1317 
1318 error:
1319 	rt_mutex_unlock(&isp->mutex);
1320 	return ret;
1321 }
1322 
1323 static int atomisp_qbuf_file(struct file *file, void *fh,
1324 			     struct v4l2_buffer *buf)
1325 {
1326 	struct video_device *vdev = video_devdata(file);
1327 	struct atomisp_device *isp = video_get_drvdata(vdev);
1328 	struct atomisp_video_pipe *pipe = atomisp_to_video_pipe(vdev);
1329 	int ret;
1330 
1331 	rt_mutex_lock(&isp->mutex);
1332 	if (isp->isp_fatal_error) {
1333 		ret = -EIO;
1334 		goto error;
1335 	}
1336 
1337 	if (!buf || buf->index >= VIDEO_MAX_FRAME ||
1338 	    !pipe->outq.bufs[buf->index]) {
1339 		dev_err(isp->dev, "Invalid index for qbuf.\n");
1340 		ret = -EINVAL;
1341 		goto error;
1342 	}
1343 
1344 	if (buf->memory != V4L2_MEMORY_MMAP) {
1345 		dev_err(isp->dev, "Unsupported memory method\n");
1346 		ret = -EINVAL;
1347 		goto error;
1348 	}
1349 
1350 	if (buf->type != V4L2_BUF_TYPE_VIDEO_OUTPUT) {
1351 		dev_err(isp->dev, "Unsupported buffer type\n");
1352 		ret = -EINVAL;
1353 		goto error;
1354 	}
1355 	rt_mutex_unlock(&isp->mutex);
1356 
1357 	return videobuf_qbuf(&pipe->outq, buf);
1358 
1359 error:
1360 	rt_mutex_unlock(&isp->mutex);
1361 
1362 	return ret;
1363 }
1364 
1365 static int __get_frame_exp_id(struct atomisp_video_pipe *pipe,
1366 			      struct v4l2_buffer *buf)
1367 {
1368 	struct videobuf_vmalloc_memory *vm_mem;
1369 	struct ia_css_frame *handle;
1370 	int i;
1371 
1372 	for (i = 0; pipe->capq.bufs[i]; i++) {
1373 		vm_mem = pipe->capq.bufs[i]->priv;
1374 		handle = vm_mem->vaddr;
1375 		if (buf->index == pipe->capq.bufs[i]->i && handle)
1376 			return handle->exp_id;
1377 	}
1378 	return -EINVAL;
1379 }
1380 
1381 /*
1382  * Applications call the VIDIOC_DQBUF ioctl to dequeue a filled (capturing) or
1383  * displayed (output buffer)from the driver's outgoing queue
1384  */
1385 static int atomisp_dqbuf(struct file *file, void *fh, struct v4l2_buffer *buf)
1386 {
1387 	struct video_device *vdev = video_devdata(file);
1388 	struct atomisp_video_pipe *pipe = atomisp_to_video_pipe(vdev);
1389 	struct atomisp_sub_device *asd = pipe->asd;
1390 	struct atomisp_device *isp = video_get_drvdata(vdev);
1391 	int ret = 0;
1392 
1393 	rt_mutex_lock(&isp->mutex);
1394 
1395 	if (isp->isp_fatal_error) {
1396 		rt_mutex_unlock(&isp->mutex);
1397 		return -EIO;
1398 	}
1399 
1400 	if (asd->streaming == ATOMISP_DEVICE_STREAMING_STOPPING) {
1401 		rt_mutex_unlock(&isp->mutex);
1402 		dev_err(isp->dev, "%s: reject, as ISP at stopping.\n",
1403 			__func__);
1404 		return -EIO;
1405 	}
1406 
1407 	rt_mutex_unlock(&isp->mutex);
1408 
1409 	ret = videobuf_dqbuf(&pipe->capq, buf, file->f_flags & O_NONBLOCK);
1410 	if (ret) {
1411 		if (ret != -EAGAIN)
1412 			dev_dbg(isp->dev, "<%s: %d\n", __func__, ret);
1413 		return ret;
1414 	}
1415 	rt_mutex_lock(&isp->mutex);
1416 	buf->bytesused = pipe->pix.sizeimage;
1417 	buf->reserved = asd->frame_status[buf->index];
1418 
1419 	/*
1420 	 * Hack:
1421 	 * Currently frame_status in the enum type which takes no more lower
1422 	 * 8 bit.
1423 	 * use bit[31:16] for exp_id as it is only in the range of 1~255
1424 	 */
1425 	buf->reserved &= 0x0000ffff;
1426 	if (!(buf->flags & V4L2_BUF_FLAG_ERROR))
1427 		buf->reserved |= __get_frame_exp_id(pipe, buf) << 16;
1428 	buf->reserved2 = pipe->frame_config_id[buf->index];
1429 	rt_mutex_unlock(&isp->mutex);
1430 
1431 	dev_dbg(isp->dev,
1432 		"dqbuf buffer %d (%s) for asd%d with exp_id %d, isp_config_id %d\n",
1433 		buf->index, vdev->name, asd->index, buf->reserved >> 16,
1434 		buf->reserved2);
1435 	return 0;
1436 }
1437 
1438 enum ia_css_pipe_id atomisp_get_css_pipe_id(struct atomisp_sub_device *asd)
1439 {
1440 	if (ATOMISP_USE_YUVPP(asd))
1441 		return IA_CSS_PIPE_ID_YUVPP;
1442 
1443 	if (asd->continuous_mode->val) {
1444 		if (asd->run_mode->val == ATOMISP_RUN_MODE_VIDEO)
1445 			return IA_CSS_PIPE_ID_VIDEO;
1446 		else
1447 			return IA_CSS_PIPE_ID_PREVIEW;
1448 	}
1449 
1450 	/*
1451 	 * Disable vf_pp and run CSS in video mode. This allows using ISP
1452 	 * scaling but it has one frame delay due to CSS internal buffering.
1453 	 */
1454 	if (asd->vfpp->val == ATOMISP_VFPP_DISABLE_SCALER)
1455 		return IA_CSS_PIPE_ID_VIDEO;
1456 
1457 	/*
1458 	 * Disable vf_pp and run CSS in still capture mode. In this mode
1459 	 * CSS does not cause extra latency with buffering, but scaling
1460 	 * is not available.
1461 	 */
1462 	if (asd->vfpp->val == ATOMISP_VFPP_DISABLE_LOWLAT)
1463 		return IA_CSS_PIPE_ID_CAPTURE;
1464 
1465 	switch (asd->run_mode->val) {
1466 	case ATOMISP_RUN_MODE_PREVIEW:
1467 		return IA_CSS_PIPE_ID_PREVIEW;
1468 	case ATOMISP_RUN_MODE_VIDEO:
1469 		return IA_CSS_PIPE_ID_VIDEO;
1470 	case ATOMISP_RUN_MODE_STILL_CAPTURE:
1471 	/* fall through */
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 	enum ia_css_pipe_id css_pipe_id;
1639 	unsigned int sensor_start_stream;
1640 	unsigned int wdt_duration = ATOMISP_ISP_TIMEOUT_DURATION;
1641 	int ret = 0;
1642 	unsigned long irqflags;
1643 
1644 	dev_dbg(isp->dev, "Start stream on pad %d for asd%d\n",
1645 		atomisp_subdev_source_pad(vdev), asd->index);
1646 
1647 	if (type != V4L2_BUF_TYPE_VIDEO_CAPTURE) {
1648 		dev_dbg(isp->dev, "unsupported v4l2 buf type\n");
1649 		return -EINVAL;
1650 	}
1651 
1652 	rt_mutex_lock(&isp->mutex);
1653 	if (isp->isp_fatal_error) {
1654 		ret = -EIO;
1655 		goto out;
1656 	}
1657 
1658 	if (asd->streaming == ATOMISP_DEVICE_STREAMING_STOPPING) {
1659 		ret = -EBUSY;
1660 		goto out;
1661 	}
1662 
1663 	if (pipe->capq.streaming)
1664 		goto out;
1665 
1666 	/* Input system HW workaround */
1667 	atomisp_dma_burst_len_cfg(asd);
1668 
1669 	/*
1670 	 * The number of streaming video nodes is based on which
1671 	 * binary is going to be run.
1672 	 */
1673 	sensor_start_stream = atomisp_sensor_start_stream(asd);
1674 
1675 	spin_lock_irqsave(&pipe->irq_lock, irqflags);
1676 	if (list_empty(&pipe->capq.stream)) {
1677 		spin_unlock_irqrestore(&pipe->irq_lock, irqflags);
1678 		dev_dbg(isp->dev, "no buffer in the queue\n");
1679 		ret = -EINVAL;
1680 		goto out;
1681 	}
1682 	spin_unlock_irqrestore(&pipe->irq_lock, irqflags);
1683 
1684 	ret = videobuf_streamon(&pipe->capq);
1685 	if (ret)
1686 		goto out;
1687 
1688 	/* Reset pending capture request count. */
1689 	asd->pending_capture_request = 0;
1690 	if (atomisp_hw_is_isp2401)
1691 		asd->re_trigger_capture = false;
1692 
1693 	if ((atomisp_subdev_streaming_count(asd) > sensor_start_stream) &&
1694 	    (!isp->inputs[asd->input_curr].camera_caps->multi_stream_ctrl)) {
1695 		/* trigger still capture */
1696 		if (asd->continuous_mode->val &&
1697 		    atomisp_subdev_source_pad(vdev)
1698 		    == ATOMISP_SUBDEV_PAD_SOURCE_CAPTURE) {
1699 			if (asd->run_mode->val == ATOMISP_RUN_MODE_VIDEO)
1700 				dev_dbg(isp->dev, "SDV last video raw buffer id: %u\n",
1701 					asd->latest_preview_exp_id);
1702 			else
1703 				dev_dbg(isp->dev, "ZSL last preview raw buffer id: %u\n",
1704 					asd->latest_preview_exp_id);
1705 
1706 			if (asd->delayed_init == ATOMISP_DELAYED_INIT_QUEUED) {
1707 				flush_work(&asd->delayed_init_work);
1708 				rt_mutex_unlock(&isp->mutex);
1709 				if (wait_for_completion_interruptible(
1710 					&asd->init_done) != 0)
1711 					return -ERESTARTSYS;
1712 				rt_mutex_lock(&isp->mutex);
1713 			}
1714 
1715 			/* handle per_frame_setting parameter and buffers */
1716 			atomisp_handle_parameter_and_buffer(pipe);
1717 
1718 			/*
1719 			 * only ZSL/SDV capture request will be here, raise
1720 			 * the ISP freq to the highest possible to minimize
1721 			 * the S2S latency.
1722 			 */
1723 			atomisp_freq_scaling(isp, ATOMISP_DFS_MODE_MAX, false);
1724 			/*
1725 			 * When asd->enable_raw_buffer_lock->val is true,
1726 			 * An extra IOCTL is needed to call
1727 			 * atomisp_css_exp_id_capture and trigger real capture
1728 			 */
1729 			if (!asd->enable_raw_buffer_lock->val) {
1730 				ret = atomisp_css_offline_capture_configure(asd,
1731 					asd->params.offline_parm.num_captures,
1732 					asd->params.offline_parm.skip_frames,
1733 					asd->params.offline_parm.offset);
1734 				if (ret) {
1735 					ret = -EINVAL;
1736 					goto out;
1737 				}
1738 				if (asd->depth_mode->val)
1739 					atomisp_pause_buffer_event(isp);
1740 			}
1741 		}
1742 		atomisp_qbuffers_to_css(asd);
1743 		goto out;
1744 	}
1745 
1746 	if (asd->streaming == ATOMISP_DEVICE_STREAMING_ENABLED) {
1747 		atomisp_qbuffers_to_css(asd);
1748 		goto start_sensor;
1749 	}
1750 
1751 	css_pipe_id = atomisp_get_css_pipe_id(asd);
1752 
1753 	ret = atomisp_acc_load_extensions(asd);
1754 	if (ret < 0) {
1755 		dev_err(isp->dev, "acc extension failed to load\n");
1756 		goto out;
1757 	}
1758 
1759 	if (asd->params.css_update_params_needed) {
1760 		atomisp_apply_css_parameters(asd, &asd->params.css_param);
1761 		if (asd->params.css_param.update_flag.dz_config)
1762 			asd->params.config.dz_config = &asd->params.css_param.dz_config;
1763 		atomisp_css_update_isp_params(asd);
1764 		asd->params.css_update_params_needed = false;
1765 		memset(&asd->params.css_param.update_flag, 0,
1766 		       sizeof(struct atomisp_parameters));
1767 	}
1768 	asd->params.dvs_6axis = NULL;
1769 
1770 	ret = atomisp_css_start(asd, css_pipe_id, false);
1771 	if (ret)
1772 		goto out;
1773 
1774 	asd->streaming = ATOMISP_DEVICE_STREAMING_ENABLED;
1775 	atomic_set(&asd->sof_count, -1);
1776 	atomic_set(&asd->sequence, -1);
1777 	atomic_set(&asd->sequence_temp, -1);
1778 	if (isp->sw_contex.file_input)
1779 		wdt_duration = ATOMISP_ISP_FILE_TIMEOUT_DURATION;
1780 
1781 	asd->params.dis_proj_data_valid = false;
1782 	asd->latest_preview_exp_id = 0;
1783 	asd->postview_exp_id = 1;
1784 	asd->preview_exp_id = 1;
1785 
1786 	/* handle per_frame_setting parameter and buffers */
1787 	atomisp_handle_parameter_and_buffer(pipe);
1788 
1789 	atomisp_qbuffers_to_css(asd);
1790 
1791 	/* Only start sensor when the last streaming instance started */
1792 	if (atomisp_subdev_streaming_count(asd) < sensor_start_stream)
1793 		goto out;
1794 
1795 start_sensor:
1796 	if (isp->flash) {
1797 		asd->params.num_flash_frames = 0;
1798 		asd->params.flash_state = ATOMISP_FLASH_IDLE;
1799 		atomisp_setup_flash(asd);
1800 	}
1801 
1802 	if (!isp->sw_contex.file_input) {
1803 		atomisp_css_irq_enable(isp, IA_CSS_IRQ_INFO_CSS_RECEIVER_SOF,
1804 				       atomisp_css_valid_sof(isp));
1805 		atomisp_csi2_configure(asd);
1806 		/*
1807 		 * set freq to max when streaming count > 1 which indicate
1808 		 * dual camera would run
1809 		*/
1810 		if (atomisp_streaming_count(isp) > 1) {
1811 			if (atomisp_freq_scaling(isp,
1812 						 ATOMISP_DFS_MODE_MAX, false) < 0)
1813 				dev_dbg(isp->dev, "dfs failed!\n");
1814 		} else {
1815 			if (atomisp_freq_scaling(isp,
1816 						 ATOMISP_DFS_MODE_AUTO, false) < 0)
1817 				dev_dbg(isp->dev, "dfs failed!\n");
1818 		}
1819 	} else {
1820 		if (atomisp_freq_scaling(isp, ATOMISP_DFS_MODE_MAX, false) < 0)
1821 			dev_dbg(isp->dev, "dfs failed!\n");
1822 	}
1823 
1824 	if (asd->depth_mode->val && atomisp_streaming_count(isp) ==
1825 	    ATOMISP_DEPTH_SENSOR_STREAMON_COUNT) {
1826 		ret = atomisp_stream_on_master_slave_sensor(isp, false);
1827 		if (ret) {
1828 			dev_err(isp->dev, "master slave sensor stream on failed!\n");
1829 			goto out;
1830 		}
1831 		if (!atomisp_hw_is_isp2401) {
1832 			__wdt_on_master_slave_sensor(isp, wdt_duration);
1833 		} else {
1834 			__wdt_on_master_slave_sensor_pipe(pipe, wdt_duration, true);
1835 		}
1836 		goto start_delay_wq;
1837 	} else if (asd->depth_mode->val && (atomisp_streaming_count(isp) <
1838 					    ATOMISP_DEPTH_SENSOR_STREAMON_COUNT)) {
1839 		if (atomisp_hw_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(isp->pdev, MRFLD_PCI_CSI_CONTROL,
1848 				      isp->saved_regs.csi_control |
1849 				      MRFLD_PCI_CSI_CONTROL_CSI_READY);
1850 	}
1851 
1852 	/* stream on the sensor */
1853 	ret = v4l2_subdev_call(isp->inputs[asd->input_curr].camera,
1854 			       video, s_stream, 1);
1855 	if (ret) {
1856 		asd->streaming = ATOMISP_DEVICE_STREAMING_DISABLED;
1857 		ret = -EINVAL;
1858 		goto out;
1859 	}
1860 
1861 	if (!atomisp_hw_is_isp2401) {
1862 		if (atomisp_buffers_queued(asd))
1863 			atomisp_wdt_refresh(asd, wdt_duration);
1864 	} else {
1865 		if (atomisp_buffers_queued_pipe(pipe))
1866 			atomisp_wdt_refresh_pipe(pipe, wdt_duration);
1867 	}
1868 
1869 start_delay_wq:
1870 	if (asd->continuous_mode->val) {
1871 		struct v4l2_mbus_framefmt *sink;
1872 
1873 		sink = atomisp_subdev_get_ffmt(&asd->subdev, NULL,
1874 					       V4L2_SUBDEV_FORMAT_ACTIVE,
1875 					       ATOMISP_SUBDEV_PAD_SINK);
1876 
1877 		reinit_completion(&asd->init_done);
1878 		asd->delayed_init = ATOMISP_DELAYED_INIT_QUEUED;
1879 		queue_work(asd->delayed_init_workq, &asd->delayed_init_work);
1880 		atomisp_css_set_cont_prev_start_time(isp,
1881 						     ATOMISP_CALC_CSS_PREV_OVERLAP(sink->height));
1882 	} else {
1883 		asd->delayed_init = ATOMISP_DELAYED_INIT_NOT_QUEUED;
1884 	}
1885 out:
1886 	rt_mutex_unlock(&isp->mutex);
1887 	return ret;
1888 }
1889 
1890 int __atomisp_streamoff(struct file *file, void *fh, enum v4l2_buf_type type)
1891 {
1892 	struct video_device *vdev = video_devdata(file);
1893 	struct atomisp_device *isp = video_get_drvdata(vdev);
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(isp->pdev, MRFLD_PCI_CSI_CONTROL,
2080 				      isp->saved_regs.csi_control &
2081 				      ~MRFLD_PCI_CSI_CONTROL_CSI_READY);
2082 	}
2083 
2084 	if (atomisp_freq_scaling(isp, ATOMISP_DFS_MODE_LOW, false))
2085 		dev_warn(isp->dev, "DFS failed.\n");
2086 	/*
2087 	 * ISP work around, need to reset isp
2088 	 * Is it correct time to reset ISP when first node does streamoff?
2089 	 */
2090 	if (isp->sw_contex.power_state == ATOM_ISP_POWER_UP) {
2091 		unsigned int i;
2092 		bool recreate_streams[MAX_STREAM_NUM] = {0};
2093 
2094 		if (isp->isp_timeout)
2095 			dev_err(isp->dev, "%s: Resetting with WA activated",
2096 				__func__);
2097 		/*
2098 		 * It is possible that the other asd stream is in the stage
2099 		 * that v4l2_setfmt is just get called on it, which will
2100 		 * create css stream on that stream. But at this point, there
2101 		 * is no way to destroy the css stream created on that stream.
2102 		 *
2103 		 * So force stream destroy here.
2104 		 */
2105 		for (i = 0; i < isp->num_of_streams; i++) {
2106 			if (isp->asd[i].stream_prepared) {
2107 				atomisp_destroy_pipes_stream_force(&isp->
2108 								   asd[i]);
2109 				recreate_streams[i] = true;
2110 			}
2111 		}
2112 
2113 		/* disable  PUNIT/ISP acknowlede/handshake - SRSE=3 */
2114 		pci_write_config_dword(isp->pdev, PCI_I_CONTROL, isp->saved_regs.i_control |
2115 				       MRFLD_PCI_I_CONTROL_SRSE_RESET_MASK);
2116 		dev_err(isp->dev, "atomisp_reset");
2117 		atomisp_reset(isp);
2118 		for (i = 0; i < isp->num_of_streams; i++) {
2119 			if (recreate_streams[i])
2120 				atomisp_create_pipes_stream(&isp->asd[i]);
2121 		}
2122 		isp->isp_timeout = false;
2123 	}
2124 	return ret;
2125 }
2126 
2127 static int atomisp_streamoff(struct file *file, void *fh,
2128 			     enum v4l2_buf_type type)
2129 {
2130 	struct video_device *vdev = video_devdata(file);
2131 	struct atomisp_device *isp = video_get_drvdata(vdev);
2132 	int rval;
2133 
2134 	mutex_lock(&isp->streamoff_mutex);
2135 	rt_mutex_lock(&isp->mutex);
2136 	rval = __atomisp_streamoff(file, fh, type);
2137 	rt_mutex_unlock(&isp->mutex);
2138 	mutex_unlock(&isp->streamoff_mutex);
2139 
2140 	return rval;
2141 }
2142 
2143 /*
2144  * To get the current value of a control.
2145  * applications initialize the id field of a struct v4l2_control and
2146  * call this ioctl with a pointer to this structure
2147  */
2148 static int atomisp_g_ctrl(struct file *file, void *fh,
2149 			  struct v4l2_control *control)
2150 {
2151 	struct video_device *vdev = video_devdata(file);
2152 	struct atomisp_sub_device *asd = atomisp_to_video_pipe(vdev)->asd;
2153 	struct atomisp_device *isp = video_get_drvdata(vdev);
2154 	int i, ret = -EINVAL;
2155 
2156 	for (i = 0; i < ctrls_num; i++) {
2157 		if (ci_v4l2_controls[i].id == control->id) {
2158 			ret = 0;
2159 			break;
2160 		}
2161 	}
2162 
2163 	if (ret)
2164 		return ret;
2165 
2166 	rt_mutex_lock(&isp->mutex);
2167 
2168 	switch (control->id) {
2169 	case V4L2_CID_IRIS_ABSOLUTE:
2170 	case V4L2_CID_EXPOSURE_ABSOLUTE:
2171 	case V4L2_CID_FNUMBER_ABSOLUTE:
2172 	case V4L2_CID_2A_STATUS:
2173 	case V4L2_CID_AUTO_N_PRESET_WHITE_BALANCE:
2174 	case V4L2_CID_EXPOSURE:
2175 	case V4L2_CID_EXPOSURE_AUTO:
2176 	case V4L2_CID_SCENE_MODE:
2177 	case V4L2_CID_ISO_SENSITIVITY:
2178 	case V4L2_CID_ISO_SENSITIVITY_AUTO:
2179 	case V4L2_CID_CONTRAST:
2180 	case V4L2_CID_SATURATION:
2181 	case V4L2_CID_SHARPNESS:
2182 	case V4L2_CID_3A_LOCK:
2183 	case V4L2_CID_EXPOSURE_ZONE_NUM:
2184 	case V4L2_CID_TEST_PATTERN:
2185 	case V4L2_CID_TEST_PATTERN_COLOR_R:
2186 	case V4L2_CID_TEST_PATTERN_COLOR_GR:
2187 	case V4L2_CID_TEST_PATTERN_COLOR_GB:
2188 	case V4L2_CID_TEST_PATTERN_COLOR_B:
2189 		rt_mutex_unlock(&isp->mutex);
2190 		return v4l2_g_ctrl(isp->inputs[asd->input_curr].camera->
2191 				   ctrl_handler, control);
2192 	case V4L2_CID_COLORFX:
2193 		ret = atomisp_color_effect(asd, 0, &control->value);
2194 		break;
2195 	case V4L2_CID_ATOMISP_BAD_PIXEL_DETECTION:
2196 		ret = atomisp_bad_pixel(asd, 0, &control->value);
2197 		break;
2198 	case V4L2_CID_ATOMISP_POSTPROCESS_GDC_CAC:
2199 		ret = atomisp_gdc_cac(asd, 0, &control->value);
2200 		break;
2201 	case V4L2_CID_ATOMISP_VIDEO_STABLIZATION:
2202 		ret = atomisp_video_stable(asd, 0, &control->value);
2203 		break;
2204 	case V4L2_CID_ATOMISP_FIXED_PATTERN_NR:
2205 		ret = atomisp_fixed_pattern(asd, 0, &control->value);
2206 		break;
2207 	case V4L2_CID_ATOMISP_FALSE_COLOR_CORRECTION:
2208 		ret = atomisp_false_color(asd, 0, &control->value);
2209 		break;
2210 	case V4L2_CID_ATOMISP_LOW_LIGHT:
2211 		ret = atomisp_low_light(asd, 0, &control->value);
2212 		break;
2213 	default:
2214 		ret = -EINVAL;
2215 		break;
2216 	}
2217 
2218 	rt_mutex_unlock(&isp->mutex);
2219 	return ret;
2220 }
2221 
2222 /*
2223  * To change the value of a control.
2224  * applications initialize the id and value fields of a struct v4l2_control
2225  * and call this ioctl.
2226  */
2227 static int atomisp_s_ctrl(struct file *file, void *fh,
2228 			  struct v4l2_control *control)
2229 {
2230 	struct video_device *vdev = video_devdata(file);
2231 	struct atomisp_sub_device *asd = atomisp_to_video_pipe(vdev)->asd;
2232 	struct atomisp_device *isp = video_get_drvdata(vdev);
2233 	int i, ret = -EINVAL;
2234 
2235 	for (i = 0; i < ctrls_num; i++) {
2236 		if (ci_v4l2_controls[i].id == control->id) {
2237 			ret = 0;
2238 			break;
2239 		}
2240 	}
2241 
2242 	if (ret)
2243 		return ret;
2244 
2245 	rt_mutex_lock(&isp->mutex);
2246 	switch (control->id) {
2247 	case V4L2_CID_AUTO_N_PRESET_WHITE_BALANCE:
2248 	case V4L2_CID_EXPOSURE:
2249 	case V4L2_CID_EXPOSURE_AUTO:
2250 	case V4L2_CID_EXPOSURE_AUTO_PRIORITY:
2251 	case V4L2_CID_SCENE_MODE:
2252 	case V4L2_CID_ISO_SENSITIVITY:
2253 	case V4L2_CID_ISO_SENSITIVITY_AUTO:
2254 	case V4L2_CID_POWER_LINE_FREQUENCY:
2255 	case V4L2_CID_EXPOSURE_METERING:
2256 	case V4L2_CID_CONTRAST:
2257 	case V4L2_CID_SATURATION:
2258 	case V4L2_CID_SHARPNESS:
2259 	case V4L2_CID_3A_LOCK:
2260 	case V4L2_CID_COLORFX_CBCR:
2261 	case V4L2_CID_TEST_PATTERN:
2262 	case V4L2_CID_TEST_PATTERN_COLOR_R:
2263 	case V4L2_CID_TEST_PATTERN_COLOR_GR:
2264 	case V4L2_CID_TEST_PATTERN_COLOR_GB:
2265 	case V4L2_CID_TEST_PATTERN_COLOR_B:
2266 		rt_mutex_unlock(&isp->mutex);
2267 		return v4l2_s_ctrl(NULL,
2268 				   isp->inputs[asd->input_curr].camera->
2269 				   ctrl_handler, control);
2270 	case V4L2_CID_COLORFX:
2271 		ret = atomisp_color_effect(asd, 1, &control->value);
2272 		break;
2273 	case V4L2_CID_ATOMISP_BAD_PIXEL_DETECTION:
2274 		ret = atomisp_bad_pixel(asd, 1, &control->value);
2275 		break;
2276 	case V4L2_CID_ATOMISP_POSTPROCESS_GDC_CAC:
2277 		ret = atomisp_gdc_cac(asd, 1, &control->value);
2278 		break;
2279 	case V4L2_CID_ATOMISP_VIDEO_STABLIZATION:
2280 		ret = atomisp_video_stable(asd, 1, &control->value);
2281 		break;
2282 	case V4L2_CID_ATOMISP_FIXED_PATTERN_NR:
2283 		ret = atomisp_fixed_pattern(asd, 1, &control->value);
2284 		break;
2285 	case V4L2_CID_ATOMISP_FALSE_COLOR_CORRECTION:
2286 		ret = atomisp_false_color(asd, 1, &control->value);
2287 		break;
2288 	case V4L2_CID_REQUEST_FLASH:
2289 		ret = atomisp_flash_enable(asd, control->value);
2290 		break;
2291 	case V4L2_CID_ATOMISP_LOW_LIGHT:
2292 		ret = atomisp_low_light(asd, 1, &control->value);
2293 		break;
2294 	default:
2295 		ret = -EINVAL;
2296 		break;
2297 	}
2298 	rt_mutex_unlock(&isp->mutex);
2299 	return ret;
2300 }
2301 
2302 /*
2303  * To query the attributes of a control.
2304  * applications set the id field of a struct v4l2_queryctrl and call the
2305  * this ioctl with a pointer to this structure. The driver fills
2306  * the rest of the structure.
2307  */
2308 static int atomisp_queryctl(struct file *file, void *fh,
2309 			    struct v4l2_queryctrl *qc)
2310 {
2311 	int i, ret = -EINVAL;
2312 	struct video_device *vdev = video_devdata(file);
2313 	struct atomisp_sub_device *asd = atomisp_to_video_pipe(vdev)->asd;
2314 	struct atomisp_device *isp = video_get_drvdata(vdev);
2315 
2316 	switch (qc->id) {
2317 	case V4L2_CID_FOCUS_ABSOLUTE:
2318 	case V4L2_CID_FOCUS_RELATIVE:
2319 	case V4L2_CID_FOCUS_STATUS:
2320 		if (!atomisp_hw_is_isp2401) {
2321 			return v4l2_queryctrl(isp->inputs[asd->input_curr].camera->
2322 					    ctrl_handler, qc);
2323 		}
2324 		/* ISP2401 */
2325 		if (isp->motor)
2326 			return v4l2_queryctrl(isp->motor->ctrl_handler, qc);
2327 		else
2328 			return v4l2_queryctrl(isp->inputs[asd->input_curr].
2329 					      camera->ctrl_handler, qc);
2330 	}
2331 
2332 	if (qc->id & V4L2_CTRL_FLAG_NEXT_CTRL)
2333 		return ret;
2334 
2335 	for (i = 0; i < ctrls_num; i++) {
2336 		if (ci_v4l2_controls[i].id == qc->id) {
2337 			memcpy(qc, &ci_v4l2_controls[i],
2338 			       sizeof(struct v4l2_queryctrl));
2339 			qc->reserved[0] = 0;
2340 			ret = 0;
2341 			break;
2342 		}
2343 	}
2344 	if (ret != 0)
2345 		qc->flags = V4L2_CTRL_FLAG_DISABLED;
2346 
2347 	return ret;
2348 }
2349 
2350 static int atomisp_camera_g_ext_ctrls(struct file *file, void *fh,
2351 				      struct v4l2_ext_controls *c)
2352 {
2353 	struct video_device *vdev = video_devdata(file);
2354 	struct atomisp_sub_device *asd = atomisp_to_video_pipe(vdev)->asd;
2355 	struct atomisp_device *isp = video_get_drvdata(vdev);
2356 	struct v4l2_subdev *motor;
2357 	struct v4l2_control ctrl;
2358 	int i;
2359 	int ret = 0;
2360 
2361 	if (!atomisp_hw_is_isp2401)
2362 		motor = isp->inputs[asd->input_curr].motor;
2363 	else
2364 		motor = isp->motor;
2365 
2366 	for (i = 0; i < c->count; i++) {
2367 		ctrl.id = c->controls[i].id;
2368 		ctrl.value = c->controls[i].value;
2369 		switch (ctrl.id) {
2370 		case V4L2_CID_EXPOSURE_ABSOLUTE:
2371 		case V4L2_CID_EXPOSURE_AUTO:
2372 		case V4L2_CID_IRIS_ABSOLUTE:
2373 		case V4L2_CID_FNUMBER_ABSOLUTE:
2374 		case V4L2_CID_BIN_FACTOR_HORZ:
2375 		case V4L2_CID_BIN_FACTOR_VERT:
2376 		case V4L2_CID_3A_LOCK:
2377 		case V4L2_CID_TEST_PATTERN:
2378 		case V4L2_CID_TEST_PATTERN_COLOR_R:
2379 		case V4L2_CID_TEST_PATTERN_COLOR_GR:
2380 		case V4L2_CID_TEST_PATTERN_COLOR_GB:
2381 		case V4L2_CID_TEST_PATTERN_COLOR_B:
2382 			/*
2383 			 * Exposure related control will be handled by sensor
2384 			 * driver
2385 			 */
2386 			ret =
2387 			    v4l2_g_ctrl(isp->inputs[asd->input_curr].camera->
2388 					ctrl_handler, &ctrl);
2389 			break;
2390 		case V4L2_CID_FOCUS_ABSOLUTE:
2391 		case V4L2_CID_FOCUS_RELATIVE:
2392 		case V4L2_CID_FOCUS_STATUS:
2393 		case V4L2_CID_FOCUS_AUTO:
2394 			if (motor)
2395 				ret = v4l2_g_ctrl(motor->ctrl_handler, &ctrl);
2396 			break;
2397 		case V4L2_CID_FLASH_STATUS:
2398 		case V4L2_CID_FLASH_INTENSITY:
2399 		case V4L2_CID_FLASH_TORCH_INTENSITY:
2400 		case V4L2_CID_FLASH_INDICATOR_INTENSITY:
2401 		case V4L2_CID_FLASH_TIMEOUT:
2402 		case V4L2_CID_FLASH_STROBE:
2403 		case V4L2_CID_FLASH_MODE:
2404 		case V4L2_CID_FLASH_STATUS_REGISTER:
2405 			if (isp->flash)
2406 				ret =
2407 				    v4l2_g_ctrl(isp->flash->ctrl_handler,
2408 						&ctrl);
2409 			break;
2410 		case V4L2_CID_ZOOM_ABSOLUTE:
2411 			rt_mutex_lock(&isp->mutex);
2412 			ret = atomisp_digital_zoom(asd, 0, &ctrl.value);
2413 			rt_mutex_unlock(&isp->mutex);
2414 			break;
2415 		case V4L2_CID_G_SKIP_FRAMES:
2416 			ret = v4l2_subdev_call(
2417 				  isp->inputs[asd->input_curr].camera,
2418 				  sensor, g_skip_frames, (u32 *)&ctrl.value);
2419 			break;
2420 		default:
2421 			ret = -EINVAL;
2422 		}
2423 
2424 		if (ret) {
2425 			c->error_idx = i;
2426 			break;
2427 		}
2428 		c->controls[i].value = ctrl.value;
2429 	}
2430 	return ret;
2431 }
2432 
2433 /* This ioctl allows the application to get multiple controls by class */
2434 static int atomisp_g_ext_ctrls(struct file *file, void *fh,
2435 			       struct v4l2_ext_controls *c)
2436 {
2437 	struct v4l2_control ctrl;
2438 	int i, ret = 0;
2439 
2440 	/* input_lock is not need for the Camera related IOCTLs
2441 	 * The input_lock downgrade the FPS of 3A*/
2442 	ret = atomisp_camera_g_ext_ctrls(file, fh, c);
2443 	if (ret != -EINVAL)
2444 		return ret;
2445 
2446 	for (i = 0; i < c->count; i++) {
2447 		ctrl.id = c->controls[i].id;
2448 		ctrl.value = c->controls[i].value;
2449 		ret = atomisp_g_ctrl(file, fh, &ctrl);
2450 		c->controls[i].value = ctrl.value;
2451 		if (ret) {
2452 			c->error_idx = i;
2453 			break;
2454 		}
2455 	}
2456 	return ret;
2457 }
2458 
2459 static int atomisp_camera_s_ext_ctrls(struct file *file, void *fh,
2460 				      struct v4l2_ext_controls *c)
2461 {
2462 	struct video_device *vdev = video_devdata(file);
2463 	struct atomisp_sub_device *asd = atomisp_to_video_pipe(vdev)->asd;
2464 	struct atomisp_device *isp = video_get_drvdata(vdev);
2465 	struct v4l2_subdev *motor;
2466 	struct v4l2_control ctrl;
2467 	int i;
2468 	int ret = 0;
2469 
2470 	if (!atomisp_hw_is_isp2401)
2471 		motor = isp->inputs[asd->input_curr].motor;
2472 	else
2473 		motor = isp->motor;
2474 
2475 	for (i = 0; i < c->count; i++) {
2476 		struct v4l2_ctrl *ctr;
2477 
2478 		ctrl.id = c->controls[i].id;
2479 		ctrl.value = c->controls[i].value;
2480 		switch (ctrl.id) {
2481 		case V4L2_CID_EXPOSURE_ABSOLUTE:
2482 		case V4L2_CID_EXPOSURE_AUTO:
2483 		case V4L2_CID_EXPOSURE_METERING:
2484 		case V4L2_CID_IRIS_ABSOLUTE:
2485 		case V4L2_CID_FNUMBER_ABSOLUTE:
2486 		case V4L2_CID_VCM_TIMING:
2487 		case V4L2_CID_VCM_SLEW:
2488 		case V4L2_CID_3A_LOCK:
2489 		case V4L2_CID_TEST_PATTERN:
2490 		case V4L2_CID_TEST_PATTERN_COLOR_R:
2491 		case V4L2_CID_TEST_PATTERN_COLOR_GR:
2492 		case V4L2_CID_TEST_PATTERN_COLOR_GB:
2493 		case V4L2_CID_TEST_PATTERN_COLOR_B:
2494 			ret = v4l2_s_ctrl(NULL,
2495 					  isp->inputs[asd->input_curr].camera->
2496 					  ctrl_handler, &ctrl);
2497 			break;
2498 		case V4L2_CID_FOCUS_ABSOLUTE:
2499 		case V4L2_CID_FOCUS_RELATIVE:
2500 		case V4L2_CID_FOCUS_STATUS:
2501 		case V4L2_CID_FOCUS_AUTO:
2502 			if (motor)
2503 				ret = v4l2_s_ctrl(NULL, motor->ctrl_handler,
2504 						  &ctrl);
2505 			else
2506 				ret = v4l2_s_ctrl(NULL,
2507 						  isp->inputs[asd->input_curr].
2508 						  camera->ctrl_handler, &ctrl);
2509 			break;
2510 		case V4L2_CID_FLASH_STATUS:
2511 		case V4L2_CID_FLASH_INTENSITY:
2512 		case V4L2_CID_FLASH_TORCH_INTENSITY:
2513 		case V4L2_CID_FLASH_INDICATOR_INTENSITY:
2514 		case V4L2_CID_FLASH_TIMEOUT:
2515 		case V4L2_CID_FLASH_STROBE:
2516 		case V4L2_CID_FLASH_MODE:
2517 		case V4L2_CID_FLASH_STATUS_REGISTER:
2518 			rt_mutex_lock(&isp->mutex);
2519 			if (isp->flash) {
2520 				ret =
2521 				    v4l2_s_ctrl(NULL, isp->flash->ctrl_handler,
2522 						&ctrl);
2523 				/* When flash mode is changed we need to reset
2524 				 * flash state */
2525 				if (ctrl.id == V4L2_CID_FLASH_MODE) {
2526 					asd->params.flash_state =
2527 					    ATOMISP_FLASH_IDLE;
2528 					asd->params.num_flash_frames = 0;
2529 				}
2530 			}
2531 			rt_mutex_unlock(&isp->mutex);
2532 			break;
2533 		case V4L2_CID_ZOOM_ABSOLUTE:
2534 			rt_mutex_lock(&isp->mutex);
2535 			ret = atomisp_digital_zoom(asd, 1, &ctrl.value);
2536 			rt_mutex_unlock(&isp->mutex);
2537 			break;
2538 		default:
2539 			ctr = v4l2_ctrl_find(&asd->ctrl_handler, ctrl.id);
2540 			if (ctr)
2541 				ret = v4l2_ctrl_s_ctrl(ctr, ctrl.value);
2542 			else
2543 				ret = -EINVAL;
2544 		}
2545 
2546 		if (ret) {
2547 			c->error_idx = i;
2548 			break;
2549 		}
2550 		c->controls[i].value = ctrl.value;
2551 	}
2552 	return ret;
2553 }
2554 
2555 /* This ioctl allows the application to set multiple controls by class */
2556 static int atomisp_s_ext_ctrls(struct file *file, void *fh,
2557 			       struct v4l2_ext_controls *c)
2558 {
2559 	struct v4l2_control ctrl;
2560 	int i, ret = 0;
2561 
2562 	/* input_lock is not need for the Camera related IOCTLs
2563 	 * The input_lock downgrade the FPS of 3A*/
2564 	ret = atomisp_camera_s_ext_ctrls(file, fh, c);
2565 	if (ret != -EINVAL)
2566 		return ret;
2567 
2568 	for (i = 0; i < c->count; i++) {
2569 		ctrl.id = c->controls[i].id;
2570 		ctrl.value = c->controls[i].value;
2571 		ret = atomisp_s_ctrl(file, fh, &ctrl);
2572 		c->controls[i].value = ctrl.value;
2573 		if (ret) {
2574 			c->error_idx = i;
2575 			break;
2576 		}
2577 	}
2578 	return ret;
2579 }
2580 
2581 /*
2582  * vidioc_g/s_param are used to switch isp running mode
2583  */
2584 static int atomisp_g_parm(struct file *file, void *fh,
2585 			  struct v4l2_streamparm *parm)
2586 {
2587 	struct video_device *vdev = video_devdata(file);
2588 	struct atomisp_sub_device *asd = atomisp_to_video_pipe(vdev)->asd;
2589 	struct atomisp_device *isp = video_get_drvdata(vdev);
2590 
2591 	if (parm->type != V4L2_BUF_TYPE_VIDEO_CAPTURE) {
2592 		dev_err(isp->dev, "unsupport v4l2 buf type\n");
2593 		return -EINVAL;
2594 	}
2595 
2596 	rt_mutex_lock(&isp->mutex);
2597 	parm->parm.capture.capturemode = asd->run_mode->val;
2598 	rt_mutex_unlock(&isp->mutex);
2599 
2600 	return 0;
2601 }
2602 
2603 static int atomisp_s_parm(struct file *file, void *fh,
2604 			  struct v4l2_streamparm *parm)
2605 {
2606 	struct video_device *vdev = video_devdata(file);
2607 	struct atomisp_device *isp = video_get_drvdata(vdev);
2608 	struct atomisp_sub_device *asd = atomisp_to_video_pipe(vdev)->asd;
2609 	int mode;
2610 	int rval;
2611 	int fps;
2612 
2613 	if (parm->type != V4L2_BUF_TYPE_VIDEO_CAPTURE) {
2614 		dev_err(isp->dev, "unsupport v4l2 buf type\n");
2615 		return -EINVAL;
2616 	}
2617 
2618 	rt_mutex_lock(&isp->mutex);
2619 
2620 	asd->high_speed_mode = false;
2621 	switch (parm->parm.capture.capturemode) {
2622 	case CI_MODE_NONE: {
2623 		struct v4l2_subdev_frame_interval fi = {0};
2624 
2625 		fi.interval = parm->parm.capture.timeperframe;
2626 
2627 		rval = v4l2_subdev_call(isp->inputs[asd->input_curr].camera,
2628 					video, s_frame_interval, &fi);
2629 		if (!rval)
2630 			parm->parm.capture.timeperframe = fi.interval;
2631 
2632 		if (fi.interval.numerator != 0) {
2633 			fps = fi.interval.denominator / fi.interval.numerator;
2634 			if (fps > 30)
2635 				asd->high_speed_mode = true;
2636 		}
2637 
2638 		goto out;
2639 	}
2640 	case CI_MODE_VIDEO:
2641 		mode = ATOMISP_RUN_MODE_VIDEO;
2642 		break;
2643 	case CI_MODE_STILL_CAPTURE:
2644 		mode = ATOMISP_RUN_MODE_STILL_CAPTURE;
2645 		break;
2646 	case CI_MODE_CONTINUOUS:
2647 		mode = ATOMISP_RUN_MODE_CONTINUOUS_CAPTURE;
2648 		break;
2649 	case CI_MODE_PREVIEW:
2650 		mode = ATOMISP_RUN_MODE_PREVIEW;
2651 		break;
2652 	default:
2653 		rval = -EINVAL;
2654 		goto out;
2655 	}
2656 
2657 	rval = v4l2_ctrl_s_ctrl(asd->run_mode, mode);
2658 
2659 out:
2660 	rt_mutex_unlock(&isp->mutex);
2661 
2662 	return rval == -ENOIOCTLCMD ? 0 : rval;
2663 }
2664 
2665 static int atomisp_s_parm_file(struct file *file, void *fh,
2666 			       struct v4l2_streamparm *parm)
2667 {
2668 	struct video_device *vdev = video_devdata(file);
2669 	struct atomisp_device *isp = video_get_drvdata(vdev);
2670 
2671 	if (parm->type != V4L2_BUF_TYPE_VIDEO_OUTPUT) {
2672 		dev_err(isp->dev, "unsupport v4l2 buf type for output\n");
2673 		return -EINVAL;
2674 	}
2675 
2676 	rt_mutex_lock(&isp->mutex);
2677 	isp->sw_contex.file_input = true;
2678 	rt_mutex_unlock(&isp->mutex);
2679 
2680 	return 0;
2681 }
2682 
2683 static long atomisp_vidioc_default(struct file *file, void *fh,
2684 				   bool valid_prio, unsigned int cmd, void *arg)
2685 {
2686 	struct video_device *vdev = video_devdata(file);
2687 	struct atomisp_device *isp = video_get_drvdata(vdev);
2688 	struct atomisp_sub_device *asd;
2689 	struct v4l2_subdev *motor;
2690 	bool acc_node;
2691 	int err;
2692 
2693 	acc_node = !strcmp(vdev->name, "ATOMISP ISP ACC");
2694 	if (acc_node)
2695 		asd = atomisp_to_acc_pipe(vdev)->asd;
2696 	else
2697 		asd = atomisp_to_video_pipe(vdev)->asd;
2698 
2699 	if (!atomisp_hw_is_isp2401)
2700 		motor = isp->inputs[asd->input_curr].motor;
2701 	else
2702 		motor = isp->motor;
2703 
2704 	switch (cmd) {
2705 	case ATOMISP_IOC_G_MOTOR_PRIV_INT_DATA:
2706 	case ATOMISP_IOC_S_EXPOSURE:
2707 	case ATOMISP_IOC_G_SENSOR_CALIBRATION_GROUP:
2708 	case ATOMISP_IOC_G_SENSOR_PRIV_INT_DATA:
2709 	case ATOMISP_IOC_EXT_ISP_CTRL:
2710 	case ATOMISP_IOC_G_SENSOR_AE_BRACKETING_INFO:
2711 	case ATOMISP_IOC_S_SENSOR_AE_BRACKETING_MODE:
2712 	case ATOMISP_IOC_G_SENSOR_AE_BRACKETING_MODE:
2713 	case ATOMISP_IOC_S_SENSOR_AE_BRACKETING_LUT:
2714 	case ATOMISP_IOC_S_SENSOR_EE_CONFIG:
2715 	case ATOMISP_IOC_G_UPDATE_EXPOSURE:
2716 		/* we do not need take isp->mutex for these IOCTLs */
2717 		break;
2718 	default:
2719 		rt_mutex_lock(&isp->mutex);
2720 		break;
2721 	}
2722 	switch (cmd) {
2723 	case ATOMISP_IOC_S_SENSOR_RUNMODE:
2724 		if (atomisp_hw_is_isp2401)
2725 			err = atomisp_set_sensor_runmode(asd, arg);
2726 		else
2727 			err = -EINVAL;
2728 		break;
2729 
2730 	case ATOMISP_IOC_G_XNR:
2731 		err = atomisp_xnr(asd, 0, arg);
2732 		break;
2733 
2734 	case ATOMISP_IOC_S_XNR:
2735 		err = atomisp_xnr(asd, 1, arg);
2736 		break;
2737 
2738 	case ATOMISP_IOC_G_NR:
2739 		err = atomisp_nr(asd, 0, arg);
2740 		break;
2741 
2742 	case ATOMISP_IOC_S_NR:
2743 		err = atomisp_nr(asd, 1, arg);
2744 		break;
2745 
2746 	case ATOMISP_IOC_G_TNR:
2747 		err = atomisp_tnr(asd, 0, arg);
2748 		break;
2749 
2750 	case ATOMISP_IOC_S_TNR:
2751 		err = atomisp_tnr(asd, 1, arg);
2752 		break;
2753 
2754 	case ATOMISP_IOC_G_BLACK_LEVEL_COMP:
2755 		err = atomisp_black_level(asd, 0, arg);
2756 		break;
2757 
2758 	case ATOMISP_IOC_S_BLACK_LEVEL_COMP:
2759 		err = atomisp_black_level(asd, 1, arg);
2760 		break;
2761 
2762 	case ATOMISP_IOC_G_EE:
2763 		err = atomisp_ee(asd, 0, arg);
2764 		break;
2765 
2766 	case ATOMISP_IOC_S_EE:
2767 		err = atomisp_ee(asd, 1, arg);
2768 		break;
2769 
2770 	case ATOMISP_IOC_G_DIS_STAT:
2771 		err = atomisp_get_dis_stat(asd, arg);
2772 		break;
2773 
2774 	case ATOMISP_IOC_G_DVS2_BQ_RESOLUTIONS:
2775 		err = atomisp_get_dvs2_bq_resolutions(asd, arg);
2776 		break;
2777 
2778 	case ATOMISP_IOC_S_DIS_COEFS:
2779 		err = atomisp_css_cp_dvs2_coefs(asd, arg,
2780 						&asd->params.css_param, true);
2781 		if (!err && arg)
2782 			asd->params.css_update_params_needed = true;
2783 		break;
2784 
2785 	case ATOMISP_IOC_S_DIS_VECTOR:
2786 		err = atomisp_cp_dvs_6axis_config(asd, arg,
2787 						  &asd->params.css_param, true);
2788 		if (!err && arg)
2789 			asd->params.css_update_params_needed = true;
2790 		break;
2791 
2792 	case ATOMISP_IOC_G_ISP_PARM:
2793 		err = atomisp_param(asd, 0, arg);
2794 		break;
2795 
2796 	case ATOMISP_IOC_S_ISP_PARM:
2797 		err = atomisp_param(asd, 1, arg);
2798 		break;
2799 
2800 	case ATOMISP_IOC_G_3A_STAT:
2801 		err = atomisp_3a_stat(asd, 0, arg);
2802 		break;
2803 
2804 	case ATOMISP_IOC_G_ISP_GAMMA:
2805 		err = atomisp_gamma(asd, 0, arg);
2806 		break;
2807 
2808 	case ATOMISP_IOC_S_ISP_GAMMA:
2809 		err = atomisp_gamma(asd, 1, arg);
2810 		break;
2811 
2812 	case ATOMISP_IOC_G_ISP_GDC_TAB:
2813 		err = atomisp_gdc_cac_table(asd, 0, arg);
2814 		break;
2815 
2816 	case ATOMISP_IOC_S_ISP_GDC_TAB:
2817 		err = atomisp_gdc_cac_table(asd, 1, arg);
2818 		break;
2819 
2820 	case ATOMISP_IOC_G_ISP_MACC:
2821 		err = atomisp_macc_table(asd, 0, arg);
2822 		break;
2823 
2824 	case ATOMISP_IOC_S_ISP_MACC:
2825 		err = atomisp_macc_table(asd, 1, arg);
2826 		break;
2827 
2828 	case ATOMISP_IOC_G_ISP_BAD_PIXEL_DETECTION:
2829 		err = atomisp_bad_pixel_param(asd, 0, arg);
2830 		break;
2831 
2832 	case ATOMISP_IOC_S_ISP_BAD_PIXEL_DETECTION:
2833 		err = atomisp_bad_pixel_param(asd, 1, arg);
2834 		break;
2835 
2836 	case ATOMISP_IOC_G_ISP_FALSE_COLOR_CORRECTION:
2837 		err = atomisp_false_color_param(asd, 0, arg);
2838 		break;
2839 
2840 	case ATOMISP_IOC_S_ISP_FALSE_COLOR_CORRECTION:
2841 		err = atomisp_false_color_param(asd, 1, arg);
2842 		break;
2843 
2844 	case ATOMISP_IOC_G_ISP_CTC:
2845 		err = atomisp_ctc(asd, 0, arg);
2846 		break;
2847 
2848 	case ATOMISP_IOC_S_ISP_CTC:
2849 		err = atomisp_ctc(asd, 1, arg);
2850 		break;
2851 
2852 	case ATOMISP_IOC_G_ISP_WHITE_BALANCE:
2853 		err = atomisp_white_balance_param(asd, 0, arg);
2854 		break;
2855 
2856 	case ATOMISP_IOC_S_ISP_WHITE_BALANCE:
2857 		err = atomisp_white_balance_param(asd, 1, arg);
2858 		break;
2859 
2860 	case ATOMISP_IOC_G_3A_CONFIG:
2861 		err = atomisp_3a_config_param(asd, 0, arg);
2862 		break;
2863 
2864 	case ATOMISP_IOC_S_3A_CONFIG:
2865 		err = atomisp_3a_config_param(asd, 1, arg);
2866 		break;
2867 
2868 	case ATOMISP_IOC_S_ISP_FPN_TABLE:
2869 		err = atomisp_fixed_pattern_table(asd, arg);
2870 		break;
2871 
2872 	case ATOMISP_IOC_ISP_MAKERNOTE:
2873 		err = atomisp_exif_makernote(asd, arg);
2874 		break;
2875 
2876 	case ATOMISP_IOC_G_SENSOR_MODE_DATA:
2877 		err = atomisp_get_sensor_mode_data(asd, arg);
2878 		break;
2879 
2880 	case ATOMISP_IOC_G_MOTOR_PRIV_INT_DATA:
2881 		if (motor)
2882 			err = v4l2_subdev_call(motor, core, ioctl, cmd, arg);
2883 		else
2884 			err = v4l2_subdev_call(isp->inputs[asd->input_curr].camera,
2885 					       core, ioctl, cmd, arg);
2886 		break;
2887 
2888 	case ATOMISP_IOC_S_EXPOSURE:
2889 	case ATOMISP_IOC_G_SENSOR_CALIBRATION_GROUP:
2890 	case ATOMISP_IOC_G_SENSOR_PRIV_INT_DATA:
2891 	case ATOMISP_IOC_G_SENSOR_AE_BRACKETING_INFO:
2892 	case ATOMISP_IOC_S_SENSOR_AE_BRACKETING_MODE:
2893 	case ATOMISP_IOC_G_SENSOR_AE_BRACKETING_MODE:
2894 	case ATOMISP_IOC_S_SENSOR_AE_BRACKETING_LUT:
2895 		err = v4l2_subdev_call(isp->inputs[asd->input_curr].camera,
2896 				       core, ioctl, cmd, arg);
2897 		break;
2898 	case ATOMISP_IOC_G_UPDATE_EXPOSURE:
2899 		if (atomisp_hw_is_isp2401)
2900 			err = v4l2_subdev_call(isp->inputs[asd->input_curr].camera,
2901 					       core, ioctl, cmd, arg);
2902 		else
2903 			err = -EINVAL;
2904 		break;
2905 
2906 	case ATOMISP_IOC_ACC_LOAD:
2907 		err = atomisp_acc_load(asd, arg);
2908 		break;
2909 
2910 	case ATOMISP_IOC_ACC_LOAD_TO_PIPE:
2911 		err = atomisp_acc_load_to_pipe(asd, arg);
2912 		break;
2913 
2914 	case ATOMISP_IOC_ACC_UNLOAD:
2915 		err = atomisp_acc_unload(asd, arg);
2916 		break;
2917 
2918 	case ATOMISP_IOC_ACC_START:
2919 		err = atomisp_acc_start(asd, arg);
2920 		break;
2921 
2922 	case ATOMISP_IOC_ACC_WAIT:
2923 		err = atomisp_acc_wait(asd, arg);
2924 		break;
2925 
2926 	case ATOMISP_IOC_ACC_MAP:
2927 		err = atomisp_acc_map(asd, arg);
2928 		break;
2929 
2930 	case ATOMISP_IOC_ACC_UNMAP:
2931 		err = atomisp_acc_unmap(asd, arg);
2932 		break;
2933 
2934 	case ATOMISP_IOC_ACC_S_MAPPED_ARG:
2935 		err = atomisp_acc_s_mapped_arg(asd, arg);
2936 		break;
2937 
2938 	case ATOMISP_IOC_S_ISP_SHD_TAB:
2939 		err = atomisp_set_shading_table(asd, arg);
2940 		break;
2941 
2942 	case ATOMISP_IOC_G_ISP_GAMMA_CORRECTION:
2943 		err = atomisp_gamma_correction(asd, 0, arg);
2944 		break;
2945 
2946 	case ATOMISP_IOC_S_ISP_GAMMA_CORRECTION:
2947 		err = atomisp_gamma_correction(asd, 1, arg);
2948 		break;
2949 
2950 	case ATOMISP_IOC_S_PARAMETERS:
2951 		err = atomisp_set_parameters(vdev, arg);
2952 		break;
2953 
2954 	case ATOMISP_IOC_S_CONT_CAPTURE_CONFIG:
2955 		err = atomisp_offline_capture_configure(asd, arg);
2956 		break;
2957 	case ATOMISP_IOC_G_METADATA:
2958 		err = atomisp_get_metadata(asd, 0, arg);
2959 		break;
2960 	case ATOMISP_IOC_G_METADATA_BY_TYPE:
2961 		err = atomisp_get_metadata_by_type(asd, 0, arg);
2962 		break;
2963 	case ATOMISP_IOC_EXT_ISP_CTRL:
2964 		err = v4l2_subdev_call(isp->inputs[asd->input_curr].camera,
2965 				       core, ioctl, cmd, arg);
2966 		break;
2967 	case ATOMISP_IOC_EXP_ID_UNLOCK:
2968 		err = atomisp_exp_id_unlock(asd, arg);
2969 		break;
2970 	case ATOMISP_IOC_EXP_ID_CAPTURE:
2971 		err = atomisp_exp_id_capture(asd, arg);
2972 		break;
2973 	case ATOMISP_IOC_S_ENABLE_DZ_CAPT_PIPE:
2974 		err = atomisp_enable_dz_capt_pipe(asd, arg);
2975 		break;
2976 	case ATOMISP_IOC_G_FORMATS_CONFIG:
2977 		err = atomisp_formats(asd, 0, arg);
2978 		break;
2979 
2980 	case ATOMISP_IOC_S_FORMATS_CONFIG:
2981 		err = atomisp_formats(asd, 1, arg);
2982 		break;
2983 	case ATOMISP_IOC_S_EXPOSURE_WINDOW:
2984 		err = atomisp_s_ae_window(asd, arg);
2985 		break;
2986 	case ATOMISP_IOC_S_ACC_STATE:
2987 		err = atomisp_acc_set_state(asd, arg);
2988 		break;
2989 	case ATOMISP_IOC_G_ACC_STATE:
2990 		err = atomisp_acc_get_state(asd, arg);
2991 		break;
2992 	case ATOMISP_IOC_INJECT_A_FAKE_EVENT:
2993 		err = atomisp_inject_a_fake_event(asd, arg);
2994 		break;
2995 	case ATOMISP_IOC_G_INVALID_FRAME_NUM:
2996 		err = atomisp_get_invalid_frame_num(vdev, arg);
2997 		break;
2998 	case ATOMISP_IOC_S_ARRAY_RESOLUTION:
2999 		err = atomisp_set_array_res(asd, arg);
3000 		break;
3001 	default:
3002 		err = -EINVAL;
3003 		break;
3004 	}
3005 
3006 	switch (cmd) {
3007 	case ATOMISP_IOC_G_MOTOR_PRIV_INT_DATA:
3008 	case ATOMISP_IOC_S_EXPOSURE:
3009 	case ATOMISP_IOC_G_SENSOR_CALIBRATION_GROUP:
3010 	case ATOMISP_IOC_G_SENSOR_PRIV_INT_DATA:
3011 	case ATOMISP_IOC_EXT_ISP_CTRL:
3012 	case ATOMISP_IOC_G_SENSOR_AE_BRACKETING_INFO:
3013 	case ATOMISP_IOC_S_SENSOR_AE_BRACKETING_MODE:
3014 	case ATOMISP_IOC_G_SENSOR_AE_BRACKETING_MODE:
3015 	case ATOMISP_IOC_S_SENSOR_AE_BRACKETING_LUT:
3016 	case ATOMISP_IOC_G_UPDATE_EXPOSURE:
3017 		break;
3018 	default:
3019 		rt_mutex_unlock(&isp->mutex);
3020 		break;
3021 	}
3022 	return err;
3023 }
3024 
3025 const struct v4l2_ioctl_ops atomisp_ioctl_ops = {
3026 	.vidioc_querycap = atomisp_querycap,
3027 	.vidioc_enum_input = atomisp_enum_input,
3028 	.vidioc_g_input = atomisp_g_input,
3029 	.vidioc_s_input = atomisp_s_input,
3030 	.vidioc_queryctrl = atomisp_queryctl,
3031 	.vidioc_s_ctrl = atomisp_s_ctrl,
3032 	.vidioc_g_ctrl = atomisp_g_ctrl,
3033 	.vidioc_s_ext_ctrls = atomisp_s_ext_ctrls,
3034 	.vidioc_g_ext_ctrls = atomisp_g_ext_ctrls,
3035 	.vidioc_enum_fmt_vid_cap = atomisp_enum_fmt_cap,
3036 	.vidioc_try_fmt_vid_cap = atomisp_try_fmt_cap,
3037 	.vidioc_g_fmt_vid_cap = atomisp_g_fmt_cap,
3038 	.vidioc_s_fmt_vid_cap = atomisp_s_fmt_cap,
3039 	.vidioc_reqbufs = atomisp_reqbufs,
3040 	.vidioc_querybuf = atomisp_querybuf,
3041 	.vidioc_qbuf = atomisp_qbuf,
3042 	.vidioc_dqbuf = atomisp_dqbuf,
3043 	.vidioc_streamon = atomisp_streamon,
3044 	.vidioc_streamoff = atomisp_streamoff,
3045 	.vidioc_default = atomisp_vidioc_default,
3046 	.vidioc_s_parm = atomisp_s_parm,
3047 	.vidioc_g_parm = atomisp_g_parm,
3048 };
3049 
3050 const struct v4l2_ioctl_ops atomisp_file_ioctl_ops = {
3051 	.vidioc_querycap = atomisp_querycap,
3052 	.vidioc_g_fmt_vid_out = atomisp_g_fmt_file,
3053 	.vidioc_s_fmt_vid_out = atomisp_s_fmt_file,
3054 	.vidioc_s_parm = atomisp_s_parm_file,
3055 	.vidioc_reqbufs = atomisp_reqbufs_file,
3056 	.vidioc_querybuf = atomisp_querybuf_file,
3057 	.vidioc_qbuf = atomisp_qbuf_file,
3058 };
3059