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 
27 #include "atomisp_cmd.h"
28 #include "atomisp_common.h"
29 #include "atomisp_fops.h"
30 #include "atomisp_internal.h"
31 #include "atomisp_ioctl.h"
32 #include "atomisp-regs.h"
33 #include "atomisp_compat.h"
34 
35 #include "sh_css_hrt.h"
36 
37 #include "gp_device.h"
38 #include "device_access.h"
39 #include "irq.h"
40 
41 static const char *DRIVER = "atomisp";	/* max size 15 */
42 static const char *CARD = "ATOM ISP";	/* max size 31 */
43 
44 /*
45  * FIXME: ISP should not know beforehand all CIDs supported by sensor.
46  * Instead, it needs to propagate to sensor unkonwn CIDs.
47  */
48 static struct v4l2_queryctrl ci_v4l2_controls[] = {
49 	{
50 		.id = V4L2_CID_AUTO_WHITE_BALANCE,
51 		.type = V4L2_CTRL_TYPE_BOOLEAN,
52 		.name = "Automatic White Balance",
53 		.minimum = 0,
54 		.maximum = 1,
55 		.step = 1,
56 		.default_value = 0,
57 	},
58 	{
59 		.id = V4L2_CID_RED_BALANCE,
60 		.type = V4L2_CTRL_TYPE_INTEGER,
61 		.name = "Red Balance",
62 		.minimum = 0x00,
63 		.maximum = 0xff,
64 		.step = 1,
65 		.default_value = 0x00,
66 	},
67 	{
68 		.id = V4L2_CID_BLUE_BALANCE,
69 		.type = V4L2_CTRL_TYPE_INTEGER,
70 		.name = "Blue Balance",
71 		.minimum = 0x00,
72 		.maximum = 0xff,
73 		.step = 1,
74 		.default_value = 0x00,
75 	},
76 	{
77 		.id = V4L2_CID_GAMMA,
78 		.type = V4L2_CTRL_TYPE_INTEGER,
79 		.name = "Gamma",
80 		.minimum = 0x00,
81 		.maximum = 0xff,
82 		.step = 1,
83 		.default_value = 0x00,
84 	},
85 	{
86 		.id = V4L2_CID_POWER_LINE_FREQUENCY,
87 		.type = V4L2_CTRL_TYPE_MENU,
88 		.name = "Light frequency filter",
89 		.minimum = 1,
90 		.maximum = 2,
91 		.step = 1,
92 		.default_value = 1,
93 	},
94 	{
95 		.id = V4L2_CID_COLORFX,
96 		.type = V4L2_CTRL_TYPE_INTEGER,
97 		.name = "Image Color Effect",
98 		.minimum = 0,
99 		.maximum = 9,
100 		.step = 1,
101 		.default_value = 0,
102 	},
103 	{
104 		.id = V4L2_CID_COLORFX_CBCR,
105 		.type = V4L2_CTRL_TYPE_INTEGER,
106 		.name = "Image Color Effect CbCr",
107 		.minimum = 0,
108 		.maximum = 0xffff,
109 		.step = 1,
110 		.default_value = 0,
111 	},
112 	{
113 		.id = V4L2_CID_ATOMISP_BAD_PIXEL_DETECTION,
114 		.type = V4L2_CTRL_TYPE_INTEGER,
115 		.name = "Bad Pixel Correction",
116 		.minimum = 0,
117 		.maximum = 1,
118 		.step = 1,
119 		.default_value = 0,
120 	},
121 	{
122 		.id = V4L2_CID_ATOMISP_POSTPROCESS_GDC_CAC,
123 		.type = V4L2_CTRL_TYPE_INTEGER,
124 		.name = "GDC/CAC",
125 		.minimum = 0,
126 		.maximum = 1,
127 		.step = 1,
128 		.default_value = 0,
129 	},
130 	{
131 		.id = V4L2_CID_ATOMISP_VIDEO_STABLIZATION,
132 		.type = V4L2_CTRL_TYPE_INTEGER,
133 		.name = "Video Stablization",
134 		.minimum = 0,
135 		.maximum = 1,
136 		.step = 1,
137 		.default_value = 0,
138 	},
139 	{
140 		.id = V4L2_CID_ATOMISP_FIXED_PATTERN_NR,
141 		.type = V4L2_CTRL_TYPE_INTEGER,
142 		.name = "Fixed Pattern Noise Reduction",
143 		.minimum = 0,
144 		.maximum = 1,
145 		.step = 1,
146 		.default_value = 0,
147 	},
148 	{
149 		.id = V4L2_CID_ATOMISP_FALSE_COLOR_CORRECTION,
150 		.type = V4L2_CTRL_TYPE_INTEGER,
151 		.name = "False Color Correction",
152 		.minimum = 0,
153 		.maximum = 1,
154 		.step = 1,
155 		.default_value = 0,
156 	},
157 	{
158 		.id = V4L2_CID_REQUEST_FLASH,
159 		.type = V4L2_CTRL_TYPE_INTEGER,
160 		.name = "Request flash frames",
161 		.minimum = 0,
162 		.maximum = 10,
163 		.step = 1,
164 		.default_value = 1,
165 	},
166 	{
167 		.id = V4L2_CID_ATOMISP_LOW_LIGHT,
168 		.type = V4L2_CTRL_TYPE_BOOLEAN,
169 		.name = "Low light mode",
170 		.minimum = 0,
171 		.maximum = 1,
172 		.step = 1,
173 		.default_value = 1,
174 	},
175 	{
176 		.id = V4L2_CID_2A_STATUS,
177 		.type = V4L2_CTRL_TYPE_BITMASK,
178 		.name = "AE and AWB status",
179 		.minimum = 0,
180 		.maximum = V4L2_2A_STATUS_AE_READY | V4L2_2A_STATUS_AWB_READY,
181 		.step = 1,
182 		.default_value = 0,
183 	},
184 	{
185 		.id = V4L2_CID_EXPOSURE,
186 		.type = V4L2_CTRL_TYPE_INTEGER,
187 		.name = "exposure",
188 		.minimum = -4,
189 		.maximum = 4,
190 		.step = 1,
191 		.default_value = 0,
192 	},
193 	{
194 		.id = V4L2_CID_EXPOSURE_ZONE_NUM,
195 		.type = V4L2_CTRL_TYPE_INTEGER,
196 		.name = "one-time exposure zone number",
197 		.minimum = 0x0,
198 		.maximum = 0xffff,
199 		.step = 1,
200 		.default_value = 0,
201 	},
202 	{
203 		.id = V4L2_CID_EXPOSURE_AUTO_PRIORITY,
204 		.type = V4L2_CTRL_TYPE_INTEGER,
205 		.name = "Exposure auto priority",
206 		.minimum = V4L2_EXPOSURE_AUTO,
207 		.maximum = V4L2_EXPOSURE_APERTURE_PRIORITY,
208 		.step = 1,
209 		.default_value = V4L2_EXPOSURE_AUTO,
210 	},
211 	{
212 		.id = V4L2_CID_SCENE_MODE,
213 		.type = V4L2_CTRL_TYPE_INTEGER,
214 		.name = "scene mode",
215 		.minimum = 0,
216 		.maximum = 13,
217 		.step = 1,
218 		.default_value = 0,
219 	},
220 	{
221 		.id = V4L2_CID_ISO_SENSITIVITY,
222 		.type = V4L2_CTRL_TYPE_INTEGER,
223 		.name = "iso",
224 		.minimum = -4,
225 		.maximum = 4,
226 		.step = 1,
227 		.default_value = 0,
228 	},
229 	{
230 		.id = V4L2_CID_ISO_SENSITIVITY_AUTO,
231 		.type = V4L2_CTRL_TYPE_INTEGER,
232 		.name = "iso mode",
233 		.minimum = V4L2_ISO_SENSITIVITY_MANUAL,
234 		.maximum = V4L2_ISO_SENSITIVITY_AUTO,
235 		.step = 1,
236 		.default_value = V4L2_ISO_SENSITIVITY_AUTO,
237 	},
238 	{
239 		.id = V4L2_CID_AUTO_N_PRESET_WHITE_BALANCE,
240 		.type = V4L2_CTRL_TYPE_INTEGER,
241 		.name = "white balance",
242 		.minimum = 0,
243 		.maximum = 9,
244 		.step = 1,
245 		.default_value = 0,
246 	},
247 	{
248 		.id = V4L2_CID_EXPOSURE_METERING,
249 		.type = V4L2_CTRL_TYPE_MENU,
250 		.name = "metering",
251 		.minimum = 0,
252 		.maximum = 3,
253 		.step = 1,
254 		.default_value = 1,
255 	},
256 	{
257 		.id = V4L2_CID_3A_LOCK,
258 		.type = V4L2_CTRL_TYPE_BITMASK,
259 		.name = "3a lock",
260 		.minimum = 0,
261 		.maximum = V4L2_LOCK_EXPOSURE | V4L2_LOCK_WHITE_BALANCE
262 		| V4L2_LOCK_FOCUS,
263 		.step = 1,
264 		.default_value = 0,
265 	},
266 	{
267 		.id = V4L2_CID_TEST_PATTERN,
268 		.type = V4L2_CTRL_TYPE_INTEGER,
269 		.name = "Test Pattern",
270 		.minimum = 0,
271 		.maximum = 0xffff,
272 		.step = 1,
273 		.default_value = 0,
274 	},
275 	{
276 		.id = V4L2_CID_TEST_PATTERN_COLOR_R,
277 		.type = V4L2_CTRL_TYPE_INTEGER,
278 		.name = "Test Pattern Solid Color R",
279 		.minimum = INT_MIN,
280 		.maximum = INT_MAX,
281 		.step = 1,
282 		.default_value = 0,
283 	},
284 	{
285 		.id = V4L2_CID_TEST_PATTERN_COLOR_GR,
286 		.type = V4L2_CTRL_TYPE_INTEGER,
287 		.name = "Test Pattern Solid Color GR",
288 		.minimum = INT_MIN,
289 		.maximum = INT_MAX,
290 		.step = 1,
291 		.default_value = 0,
292 	},
293 	{
294 		.id = V4L2_CID_TEST_PATTERN_COLOR_GB,
295 		.type = V4L2_CTRL_TYPE_INTEGER,
296 		.name = "Test Pattern Solid Color GB",
297 		.minimum = INT_MIN,
298 		.maximum = INT_MAX,
299 		.step = 1,
300 		.default_value = 0,
301 	},
302 	{
303 		.id = V4L2_CID_TEST_PATTERN_COLOR_B,
304 		.type = V4L2_CTRL_TYPE_INTEGER,
305 		.name = "Test Pattern Solid Color B",
306 		.minimum = INT_MIN,
307 		.maximum = INT_MAX,
308 		.step = 1,
309 		.default_value = 0,
310 	},
311 };
312 
313 static const u32 ctrls_num = ARRAY_SIZE(ci_v4l2_controls);
314 
315 /*
316  * supported V4L2 fmts and resolutions
317  */
318 const struct atomisp_format_bridge atomisp_output_fmts[] = {
319 	{
320 		.pixelformat = V4L2_PIX_FMT_YUV420,
321 		.depth = 12,
322 		.mbus_code = V4L2_MBUS_FMT_CUSTOM_YUV420,
323 		.sh_fmt = IA_CSS_FRAME_FORMAT_YUV420,
324 		.description = "YUV420, planar",
325 		.planar = true
326 	}, {
327 		.pixelformat = V4L2_PIX_FMT_YVU420,
328 		.depth = 12,
329 		.mbus_code = V4L2_MBUS_FMT_CUSTOM_YVU420,
330 		.sh_fmt = IA_CSS_FRAME_FORMAT_YV12,
331 		.description = "YVU420, planar",
332 		.planar = true
333 	}, {
334 		.pixelformat = V4L2_PIX_FMT_YUV422P,
335 		.depth = 16,
336 		.mbus_code = V4L2_MBUS_FMT_CUSTOM_YUV422P,
337 		.sh_fmt = IA_CSS_FRAME_FORMAT_YUV422,
338 		.description = "YUV422, planar",
339 		.planar = true
340 	}, {
341 		.pixelformat = V4L2_PIX_FMT_YUV444,
342 		.depth = 24,
343 		.mbus_code = V4L2_MBUS_FMT_CUSTOM_YUV444,
344 		.sh_fmt = IA_CSS_FRAME_FORMAT_YUV444,
345 		.description = "YUV444"
346 	}, {
347 		.pixelformat = V4L2_PIX_FMT_NV12,
348 		.depth = 12,
349 		.mbus_code = V4L2_MBUS_FMT_CUSTOM_NV12,
350 		.sh_fmt = IA_CSS_FRAME_FORMAT_NV12,
351 		.description = "NV12, Y-plane, CbCr interleaved",
352 		.planar = true
353 	}, {
354 		.pixelformat = V4L2_PIX_FMT_NV21,
355 		.depth = 12,
356 		.mbus_code = V4L2_MBUS_FMT_CUSTOM_NV21,
357 		.sh_fmt = IA_CSS_FRAME_FORMAT_NV21,
358 		.description = "NV21, Y-plane, CbCr interleaved",
359 		.planar = true
360 	}, {
361 		.pixelformat = V4L2_PIX_FMT_NV16,
362 		.depth = 16,
363 		.mbus_code = V4L2_MBUS_FMT_CUSTOM_NV16,
364 		.sh_fmt = IA_CSS_FRAME_FORMAT_NV16,
365 		.description = "NV16, Y-plane, CbCr interleaved",
366 		.planar = true
367 	}, {
368 		.pixelformat = V4L2_PIX_FMT_YUYV,
369 		.depth = 16,
370 		.mbus_code = V4L2_MBUS_FMT_CUSTOM_YUYV,
371 		.sh_fmt = IA_CSS_FRAME_FORMAT_YUYV,
372 		.description = "YUYV, interleaved"
373 	}, {
374 		.pixelformat = V4L2_PIX_FMT_UYVY,
375 		.depth = 16,
376 		.mbus_code = MEDIA_BUS_FMT_UYVY8_1X16,
377 		.sh_fmt = IA_CSS_FRAME_FORMAT_UYVY,
378 		.description = "UYVY, interleaved"
379 	}, { /* This one is for parallel sensors! DO NOT USE! */
380 		.pixelformat = V4L2_PIX_FMT_UYVY,
381 		.depth = 16,
382 		.mbus_code = MEDIA_BUS_FMT_UYVY8_2X8,
383 		.sh_fmt = IA_CSS_FRAME_FORMAT_UYVY,
384 		.description = "UYVY, interleaved"
385 	}, {
386 		.pixelformat = V4L2_PIX_FMT_SBGGR16,
387 		.depth = 16,
388 		.mbus_code = V4L2_MBUS_FMT_CUSTOM_SBGGR16,
389 		.sh_fmt = IA_CSS_FRAME_FORMAT_RAW,
390 		.description = "Bayer 16"
391 	}, {
392 		.pixelformat = V4L2_PIX_FMT_SBGGR8,
393 		.depth = 8,
394 		.mbus_code = MEDIA_BUS_FMT_SBGGR8_1X8,
395 		.sh_fmt = IA_CSS_FRAME_FORMAT_RAW,
396 		.description = "Bayer 8"
397 	}, {
398 		.pixelformat = V4L2_PIX_FMT_SGBRG8,
399 		.depth = 8,
400 		.mbus_code = MEDIA_BUS_FMT_SGBRG8_1X8,
401 		.sh_fmt = IA_CSS_FRAME_FORMAT_RAW,
402 		.description = "Bayer 8"
403 	}, {
404 		.pixelformat = V4L2_PIX_FMT_SGRBG8,
405 		.depth = 8,
406 		.mbus_code = MEDIA_BUS_FMT_SGRBG8_1X8,
407 		.sh_fmt = IA_CSS_FRAME_FORMAT_RAW,
408 		.description = "Bayer 8"
409 	}, {
410 		.pixelformat = V4L2_PIX_FMT_SRGGB8,
411 		.depth = 8,
412 		.mbus_code = MEDIA_BUS_FMT_SRGGB8_1X8,
413 		.sh_fmt = IA_CSS_FRAME_FORMAT_RAW,
414 		.description = "Bayer 8"
415 	}, {
416 		.pixelformat = V4L2_PIX_FMT_SBGGR10,
417 		.depth = 16,
418 		.mbus_code = MEDIA_BUS_FMT_SBGGR10_1X10,
419 		.sh_fmt = IA_CSS_FRAME_FORMAT_RAW,
420 		.description = "Bayer 10"
421 	}, {
422 		.pixelformat = V4L2_PIX_FMT_SGBRG10,
423 		.depth = 16,
424 		.mbus_code = MEDIA_BUS_FMT_SGBRG10_1X10,
425 		.sh_fmt = IA_CSS_FRAME_FORMAT_RAW,
426 		.description = "Bayer 10"
427 	}, {
428 		.pixelformat = V4L2_PIX_FMT_SGRBG10,
429 		.depth = 16,
430 		.mbus_code = MEDIA_BUS_FMT_SGRBG10_1X10,
431 		.sh_fmt = IA_CSS_FRAME_FORMAT_RAW,
432 		.description = "Bayer 10"
433 	}, {
434 		.pixelformat = V4L2_PIX_FMT_SRGGB10,
435 		.depth = 16,
436 		.mbus_code = MEDIA_BUS_FMT_SRGGB10_1X10,
437 		.sh_fmt = IA_CSS_FRAME_FORMAT_RAW,
438 		.description = "Bayer 10"
439 	}, {
440 		.pixelformat = V4L2_PIX_FMT_SBGGR12,
441 		.depth = 16,
442 		.mbus_code = MEDIA_BUS_FMT_SBGGR12_1X12,
443 		.sh_fmt = IA_CSS_FRAME_FORMAT_RAW,
444 		.description = "Bayer 12"
445 	}, {
446 		.pixelformat = V4L2_PIX_FMT_SGBRG12,
447 		.depth = 16,
448 		.mbus_code = MEDIA_BUS_FMT_SGBRG12_1X12,
449 		.sh_fmt = IA_CSS_FRAME_FORMAT_RAW,
450 		.description = "Bayer 12"
451 	}, {
452 		.pixelformat = V4L2_PIX_FMT_SGRBG12,
453 		.depth = 16,
454 		.mbus_code = MEDIA_BUS_FMT_SGRBG12_1X12,
455 		.sh_fmt = IA_CSS_FRAME_FORMAT_RAW,
456 		.description = "Bayer 12"
457 	}, {
458 		.pixelformat = V4L2_PIX_FMT_SRGGB12,
459 		.depth = 16,
460 		.mbus_code = MEDIA_BUS_FMT_SRGGB12_1X12,
461 		.sh_fmt = IA_CSS_FRAME_FORMAT_RAW,
462 		.description = "Bayer 12"
463 	}, {
464 		.pixelformat = V4L2_PIX_FMT_RGB32,
465 		.depth = 32,
466 		.mbus_code = V4L2_MBUS_FMT_CUSTOM_RGB32,
467 		.sh_fmt = IA_CSS_FRAME_FORMAT_RGBA888,
468 		.description = "32 RGB 8-8-8-8"
469 	}, {
470 		.pixelformat = V4L2_PIX_FMT_RGB565,
471 		.depth = 16,
472 		.mbus_code = MEDIA_BUS_FMT_BGR565_2X8_LE,
473 		.sh_fmt = IA_CSS_FRAME_FORMAT_RGB565,
474 		.description = "16 RGB 5-6-5"
475 #if 0
476 	}, {
477 		.pixelformat = V4L2_PIX_FMT_JPEG,
478 		.depth = 8,
479 		.mbus_code = MEDIA_BUS_FMT_JPEG_1X8,
480 		.sh_fmt = IA_CSS_FRAME_FORMAT_BINARY_8,
481 		.description = "JPEG"
482 	}, {
483 		/* This is a custom format being used by M10MO to send the RAW data */
484 		.pixelformat = V4L2_PIX_FMT_CUSTOM_M10MO_RAW,
485 		.depth = 8,
486 		.mbus_code = V4L2_MBUS_FMT_CUSTOM_M10MO_RAW,
487 		.sh_fmt = IA_CSS_FRAME_FORMAT_BINARY_8,
488 		.description = "Custom RAW for M10MO"
489 #endif
490 	},
491 };
492 
493 const struct atomisp_format_bridge *
494 atomisp_get_format_bridge(unsigned int pixelformat)
495 {
496 	unsigned int i;
497 
498 	for (i = 0; i < ARRAY_SIZE(atomisp_output_fmts); i++) {
499 		if (atomisp_output_fmts[i].pixelformat == pixelformat)
500 			return &atomisp_output_fmts[i];
501 	}
502 
503 	return NULL;
504 }
505 
506 const struct atomisp_format_bridge *
507 atomisp_get_format_bridge_from_mbus(u32 mbus_code)
508 {
509 	unsigned int i;
510 
511 	for (i = 0; i < ARRAY_SIZE(atomisp_output_fmts); i++) {
512 		if (mbus_code == atomisp_output_fmts[i].mbus_code)
513 			return &atomisp_output_fmts[i];
514 	}
515 
516 	return NULL;
517 }
518 
519 int atomisp_pipe_check(struct atomisp_video_pipe *pipe, bool settings_change)
520 {
521 	lockdep_assert_held(&pipe->isp->mutex);
522 
523 	if (pipe->isp->isp_fatal_error)
524 		return -EIO;
525 
526 	if (settings_change && vb2_is_busy(&pipe->vb_queue)) {
527 		dev_err(pipe->isp->dev, "Set fmt/input IOCTL while streaming\n");
528 		return -EBUSY;
529 	}
530 
531 	return 0;
532 }
533 
534 /*
535  * v4l2 ioctls
536  * return ISP capabilities
537  */
538 static int atomisp_querycap(struct file *file, void *fh,
539 			    struct v4l2_capability *cap)
540 {
541 	struct video_device *vdev = video_devdata(file);
542 	struct atomisp_device *isp = video_get_drvdata(vdev);
543 
544 	strscpy(cap->driver, DRIVER, sizeof(cap->driver));
545 	strscpy(cap->card, CARD, sizeof(cap->card));
546 	snprintf(cap->bus_info, sizeof(cap->bus_info), "PCI:%s", dev_name(isp->dev));
547 
548 	return 0;
549 }
550 
551 /*
552  * enum input are used to check primary/secondary camera
553  */
554 static int atomisp_enum_input(struct file *file, void *fh,
555 			      struct v4l2_input *input)
556 {
557 	struct video_device *vdev = video_devdata(file);
558 	struct atomisp_device *isp = video_get_drvdata(vdev);
559 	int index = input->index;
560 	struct v4l2_subdev *motor;
561 
562 	if (index >= isp->input_cnt)
563 		return -EINVAL;
564 
565 	if (!isp->inputs[index].camera)
566 		return -EINVAL;
567 
568 	memset(input, 0, sizeof(struct v4l2_input));
569 	strscpy(input->name, isp->inputs[index].camera->name,
570 		sizeof(input->name));
571 
572 	/*
573 	 * HACK: append actuator's name to sensor's
574 	 * As currently userspace can't talk directly to subdev nodes, this
575 	 * ioctl is the only way to enum inputs + possible external actuators
576 	 * for 3A tuning purpose.
577 	 */
578 	if (!IS_ISP2401)
579 		motor = isp->inputs[index].motor;
580 	else
581 		motor = isp->motor;
582 
583 	if (motor && strlen(motor->name) > 0) {
584 		const int cur_len = strlen(input->name);
585 		const int max_size = sizeof(input->name) - cur_len - 1;
586 
587 		if (max_size > 1) {
588 			input->name[cur_len] = '+';
589 			strscpy(&input->name[cur_len + 1],
590 				motor->name, max_size);
591 		}
592 	}
593 
594 	input->type = V4L2_INPUT_TYPE_CAMERA;
595 	input->index = index;
596 	input->reserved[0] = isp->inputs[index].type;
597 	input->reserved[1] = isp->inputs[index].port;
598 
599 	return 0;
600 }
601 
602 /*
603  * get input are used to get current primary/secondary camera
604  */
605 static int atomisp_g_input(struct file *file, void *fh, unsigned int *input)
606 {
607 	struct video_device *vdev = video_devdata(file);
608 	struct atomisp_sub_device *asd = atomisp_to_video_pipe(vdev)->asd;
609 
610 	*input = asd->input_curr;
611 	return 0;
612 }
613 
614 static int atomisp_s_fmt_cap(struct file *file, void *fh,
615 			     struct v4l2_format *f)
616 {
617 	struct video_device *vdev = video_devdata(file);
618 
619 	return atomisp_set_fmt(vdev, f);
620 }
621 
622 /*
623  * set input are used to set current primary/secondary camera
624  */
625 static int atomisp_s_input(struct file *file, void *fh, unsigned int input)
626 {
627 	struct video_device *vdev = video_devdata(file);
628 	struct atomisp_device *isp = video_get_drvdata(vdev);
629 	struct atomisp_video_pipe *pipe = atomisp_to_video_pipe(vdev);
630 	struct atomisp_sub_device *asd = pipe->asd;
631 	struct v4l2_subdev *camera = NULL;
632 	struct v4l2_subdev *motor;
633 	int ret;
634 
635 	ret = atomisp_pipe_check(pipe, true);
636 	if (ret)
637 		return ret;
638 
639 	if (input >= ATOM_ISP_MAX_INPUTS || input >= isp->input_cnt) {
640 		dev_dbg(isp->dev, "input_cnt: %d\n", isp->input_cnt);
641 		return -EINVAL;
642 	}
643 
644 	camera = isp->inputs[input].camera;
645 	if (!camera) {
646 		dev_err(isp->dev, "%s, no camera\n", __func__);
647 		return -EINVAL;
648 	}
649 
650 	/* power off the current owned sensor, as it is not used this time */
651 	if (isp->inputs[asd->input_curr].asd == asd &&
652 	    asd->input_curr != input) {
653 		ret = v4l2_subdev_call(isp->inputs[asd->input_curr].camera,
654 				       core, s_power, 0);
655 		if (ret && ret != -ENOIOCTLCMD)
656 			dev_warn(isp->dev,
657 				 "Failed to power-off sensor\n");
658 		/* clear the asd field to show this camera is not used */
659 		isp->inputs[asd->input_curr].asd = NULL;
660 	}
661 
662 	/* powe on the new sensor */
663 	ret = v4l2_subdev_call(isp->inputs[input].camera, core, s_power, 1);
664 	if (ret && ret != -ENOIOCTLCMD) {
665 		dev_err(isp->dev, "Failed to power-on sensor\n");
666 		return ret;
667 	}
668 
669 	/* select operating sensor */
670 	ret = v4l2_subdev_call(isp->inputs[input].camera, video, s_routing,
671 			       0, 0, 0);
672 	if (ret && (ret != -ENOIOCTLCMD)) {
673 		dev_err(isp->dev, "Failed to select sensor\n");
674 		return ret;
675 	}
676 
677 	if (!IS_ISP2401) {
678 		motor = isp->inputs[input].motor;
679 	} else {
680 		motor = isp->motor;
681 		if (motor)
682 			ret = v4l2_subdev_call(motor, core, s_power, 1);
683 	}
684 
685 	if (motor)
686 		ret = v4l2_subdev_call(motor, core, init, 1);
687 
688 	asd->input_curr = input;
689 	/* mark this camera is used by the current stream */
690 	isp->inputs[input].asd = asd;
691 
692 	return 0;
693 }
694 
695 /*
696  * With crop any framesize <= sensor-size can be made, give
697  * userspace a list of sizes to choice from.
698  */
699 static int atomisp_enum_framesizes_crop_inner(struct atomisp_device *isp,
700 					      struct v4l2_frmsizeenum *fsize,
701 					      const struct v4l2_rect *active,
702 					      const struct v4l2_rect *native,
703 					      int *valid_sizes)
704 {
705 	static const struct v4l2_frmsize_discrete frame_sizes[] = {
706 		{ 1920, 1440 },
707 		{ 1920, 1200 },
708 		{ 1920, 1080 },
709 		{ 1600, 1200 },
710 		{ 1600, 1080 },
711 		{ 1600,  900 },
712 		{ 1440, 1080 },
713 		{ 1280,  960 },
714 		{ 1280,  720 },
715 		{  800,  600 },
716 		{  640,  480 },
717 	};
718 	u32 padding_w, padding_h;
719 	int i;
720 
721 	for (i = 0; i < ARRAY_SIZE(frame_sizes); i++) {
722 		atomisp_get_padding(isp, frame_sizes[i].width, frame_sizes[i].height,
723 				    &padding_w, &padding_h);
724 
725 		if ((frame_sizes[i].width + padding_w) > native->width ||
726 		    (frame_sizes[i].height + padding_h) > native->height)
727 			continue;
728 
729 		/*
730 		 * Skip sizes where width and height are less then 5/8th of the
731 		 * sensor size to avoid sizes with a too small field of view.
732 		 */
733 		if (frame_sizes[i].width < (active->width * 5 / 8) &&
734 		    frame_sizes[i].height < (active->height * 5 / 8))
735 			continue;
736 
737 		if (*valid_sizes == fsize->index) {
738 			fsize->type = V4L2_FRMSIZE_TYPE_DISCRETE;
739 			fsize->discrete = frame_sizes[i];
740 			return 0;
741 		}
742 
743 		(*valid_sizes)++;
744 	}
745 
746 	return -EINVAL;
747 }
748 
749 static int atomisp_enum_framesizes_crop(struct atomisp_device *isp,
750 					struct v4l2_frmsizeenum *fsize)
751 {
752 	struct atomisp_input_subdev *input = &isp->inputs[isp->asd.input_curr];
753 	struct v4l2_rect active = input->active_rect;
754 	struct v4l2_rect native = input->native_rect;
755 	int ret, valid_sizes = 0;
756 
757 	ret = atomisp_enum_framesizes_crop_inner(isp, fsize, &active, &native, &valid_sizes);
758 	if (ret == 0)
759 		return 0;
760 
761 	if (!input->binning_support)
762 		return -EINVAL;
763 
764 	active.width /= 2;
765 	active.height /= 2;
766 	native.width /= 2;
767 	native.height /= 2;
768 
769 	return atomisp_enum_framesizes_crop_inner(isp, fsize, &active, &native, &valid_sizes);
770 }
771 
772 static int atomisp_enum_framesizes(struct file *file, void *priv,
773 				   struct v4l2_frmsizeenum *fsize)
774 {
775 	struct video_device *vdev = video_devdata(file);
776 	struct atomisp_device *isp = video_get_drvdata(vdev);
777 	struct atomisp_sub_device *asd = atomisp_to_video_pipe(vdev)->asd;
778 	struct atomisp_input_subdev *input = &isp->inputs[asd->input_curr];
779 	struct v4l2_subdev_frame_size_enum fse = {
780 		.index = fsize->index,
781 		.which = V4L2_SUBDEV_FORMAT_ACTIVE,
782 		.code = input->code,
783 	};
784 	int ret;
785 
786 	if (input->crop_support)
787 		return atomisp_enum_framesizes_crop(isp, fsize);
788 
789 	ret = v4l2_subdev_call(input->camera, pad, enum_frame_size, NULL, &fse);
790 	if (ret)
791 		return ret;
792 
793 	fsize->type = V4L2_FRMSIZE_TYPE_DISCRETE;
794 	fsize->discrete.width = fse.max_width - pad_w;
795 	fsize->discrete.height = fse.max_height - pad_h;
796 
797 	return 0;
798 }
799 
800 static int atomisp_enum_frameintervals(struct file *file, void *priv,
801 				       struct v4l2_frmivalenum *fival)
802 {
803 	struct video_device *vdev = video_devdata(file);
804 	struct atomisp_device *isp = video_get_drvdata(vdev);
805 	struct atomisp_sub_device *asd = atomisp_to_video_pipe(vdev)->asd;
806 	struct v4l2_subdev_frame_interval_enum fie = {
807 		.code	= atomisp_in_fmt_conv[0].code,
808 		.index = fival->index,
809 		.width = fival->width,
810 		.height = fival->height,
811 		.which = V4L2_SUBDEV_FORMAT_ACTIVE,
812 	};
813 	int ret;
814 
815 	ret = v4l2_subdev_call(isp->inputs[asd->input_curr].camera,
816 			       pad, enum_frame_interval, NULL,
817 			       &fie);
818 	if (ret)
819 		return ret;
820 
821 	fival->type = V4L2_FRMIVAL_TYPE_DISCRETE;
822 	fival->discrete = fie.interval;
823 
824 	return ret;
825 }
826 
827 static int atomisp_enum_fmt_cap(struct file *file, void *fh,
828 				struct v4l2_fmtdesc *f)
829 {
830 	struct video_device *vdev = video_devdata(file);
831 	struct atomisp_device *isp = video_get_drvdata(vdev);
832 	struct atomisp_sub_device *asd = atomisp_to_video_pipe(vdev)->asd;
833 	struct v4l2_subdev_mbus_code_enum code = {
834 		.which = V4L2_SUBDEV_FORMAT_ACTIVE,
835 	};
836 	const struct atomisp_format_bridge *format;
837 	struct v4l2_subdev *camera;
838 	unsigned int i, fi = 0;
839 	int rval;
840 
841 	camera = isp->inputs[asd->input_curr].camera;
842 	if(!camera) {
843 		dev_err(isp->dev, "%s(): camera is NULL, device is %s\n",
844 			__func__, vdev->name);
845 		return -EINVAL;
846 	}
847 
848 	rval = v4l2_subdev_call(camera, pad, enum_mbus_code, NULL, &code);
849 	if (rval == -ENOIOCTLCMD) {
850 		dev_warn(isp->dev,
851 			 "enum_mbus_code pad op not supported by %s. Please fix your sensor driver!\n",
852 			 camera->name);
853 	}
854 
855 	if (rval)
856 		return rval;
857 
858 	for (i = 0; i < ARRAY_SIZE(atomisp_output_fmts); i++) {
859 		format = &atomisp_output_fmts[i];
860 
861 		/*
862 		 * Is the atomisp-supported format is valid for the
863 		 * sensor (configuration)? If not, skip it.
864 		 *
865 		 * FIXME: fix the pipeline to allow sensor format too.
866 		 */
867 		if (format->sh_fmt == IA_CSS_FRAME_FORMAT_RAW)
868 			continue;
869 
870 		/* Found a match. Now let's pick f->index'th one. */
871 		if (fi < f->index) {
872 			fi++;
873 			continue;
874 		}
875 
876 		strscpy(f->description, format->description,
877 			sizeof(f->description));
878 		f->pixelformat = format->pixelformat;
879 		return 0;
880 	}
881 
882 	return -EINVAL;
883 }
884 
885 /* This function looks up the closest available resolution. */
886 static int atomisp_try_fmt_cap(struct file *file, void *fh,
887 			       struct v4l2_format *f)
888 {
889 	struct video_device *vdev = video_devdata(file);
890 	struct atomisp_device *isp = video_get_drvdata(vdev);
891 
892 	return atomisp_try_fmt(isp, &f->fmt.pix, NULL, NULL);
893 }
894 
895 static int atomisp_g_fmt_cap(struct file *file, void *fh,
896 			     struct v4l2_format *f)
897 {
898 	struct video_device *vdev = video_devdata(file);
899 	struct atomisp_video_pipe *pipe;
900 
901 	pipe = atomisp_to_video_pipe(vdev);
902 
903 	f->fmt.pix = pipe->pix;
904 
905 	/* If s_fmt was issued, just return whatever is was previouly set */
906 	if (f->fmt.pix.sizeimage)
907 		return 0;
908 
909 	f->fmt.pix.pixelformat = V4L2_PIX_FMT_YUV420;
910 	f->fmt.pix.width = 10000;
911 	f->fmt.pix.height = 10000;
912 
913 	return atomisp_try_fmt_cap(file, fh, f);
914 }
915 
916 int atomisp_alloc_css_stat_bufs(struct atomisp_sub_device *asd,
917 				uint16_t stream_id)
918 {
919 	struct atomisp_device *isp = asd->isp;
920 	struct atomisp_s3a_buf *s3a_buf = NULL, *_s3a_buf;
921 	struct atomisp_dis_buf *dis_buf = NULL, *_dis_buf;
922 	struct atomisp_metadata_buf *md_buf = NULL, *_md_buf;
923 	int count;
924 	struct ia_css_dvs_grid_info *dvs_grid_info =
925 	    atomisp_css_get_dvs_grid_info(&asd->params.curr_grid_info);
926 	unsigned int i;
927 
928 	if (list_empty(&asd->s3a_stats) &&
929 	    asd->params.curr_grid_info.s3a_grid.enable) {
930 		count = ATOMISP_CSS_Q_DEPTH +
931 			ATOMISP_S3A_BUF_QUEUE_DEPTH_FOR_HAL;
932 		dev_dbg(isp->dev, "allocating %d 3a buffers\n", count);
933 		while (count--) {
934 			s3a_buf = kzalloc(sizeof(struct atomisp_s3a_buf), GFP_KERNEL);
935 			if (!s3a_buf)
936 				goto error;
937 
938 			if (atomisp_css_allocate_stat_buffers(
939 				asd, stream_id, s3a_buf, NULL, NULL)) {
940 				kfree(s3a_buf);
941 				goto error;
942 			}
943 
944 			list_add_tail(&s3a_buf->list, &asd->s3a_stats);
945 		}
946 	}
947 
948 	if (list_empty(&asd->dis_stats) && dvs_grid_info &&
949 	    dvs_grid_info->enable) {
950 		count = ATOMISP_CSS_Q_DEPTH + 1;
951 		dev_dbg(isp->dev, "allocating %d dis buffers\n", count);
952 		while (count--) {
953 			dis_buf = kzalloc(sizeof(struct atomisp_dis_buf), GFP_KERNEL);
954 			if (!dis_buf)
955 				goto error;
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  * FIXME the abuse of buf->reserved2 in the qbuf and dqbuf wrappers comes from
1019  * the original atomisp buffer handling and should be replaced with proper V4L2
1020  * per frame parameters use.
1021  *
1022  * Once this is fixed these wrappers can be removed, replacing them with direct
1023  * calls to vb2_ioctl_[d]qbuf().
1024  */
1025 static int atomisp_qbuf_wrapper(struct file *file, void *fh, struct v4l2_buffer *buf)
1026 {
1027 	struct video_device *vdev = video_devdata(file);
1028 	struct atomisp_device *isp = video_get_drvdata(vdev);
1029 	struct atomisp_video_pipe *pipe = atomisp_to_video_pipe(vdev);
1030 
1031 	if (buf->index >= vb2_get_num_buffers(vdev->queue))
1032 		return -EINVAL;
1033 
1034 	if (buf->reserved2 & ATOMISP_BUFFER_HAS_PER_FRAME_SETTING) {
1035 		/* this buffer will have a per-frame parameter */
1036 		pipe->frame_request_config_id[buf->index] = buf->reserved2 &
1037 			~ATOMISP_BUFFER_HAS_PER_FRAME_SETTING;
1038 		dev_dbg(isp->dev,
1039 			"This buffer requires per_frame setting which has isp_config_id %d\n",
1040 			pipe->frame_request_config_id[buf->index]);
1041 	} else {
1042 		pipe->frame_request_config_id[buf->index] = 0;
1043 	}
1044 
1045 	return vb2_ioctl_qbuf(file, fh, buf);
1046 }
1047 
1048 static int atomisp_dqbuf_wrapper(struct file *file, void *fh, struct v4l2_buffer *buf)
1049 {
1050 	struct video_device *vdev = video_devdata(file);
1051 	struct atomisp_video_pipe *pipe = atomisp_to_video_pipe(vdev);
1052 	struct atomisp_sub_device *asd = pipe->asd;
1053 	struct atomisp_device *isp = video_get_drvdata(vdev);
1054 	struct ia_css_frame *frame;
1055 	struct vb2_buffer *vb;
1056 	int ret;
1057 
1058 	ret = vb2_ioctl_dqbuf(file, fh, buf);
1059 	if (ret)
1060 		return ret;
1061 
1062 	vb = vb2_get_buffer(&pipe->vb_queue, buf->index);
1063 	frame = vb_to_frame(vb);
1064 
1065 	buf->reserved = asd->frame_status[buf->index];
1066 
1067 	/*
1068 	 * Hack:
1069 	 * Currently frame_status in the enum type which takes no more lower
1070 	 * 8 bit.
1071 	 * use bit[31:16] for exp_id as it is only in the range of 1~255
1072 	 */
1073 	buf->reserved &= 0x0000ffff;
1074 	if (!(buf->flags & V4L2_BUF_FLAG_ERROR))
1075 		buf->reserved |= frame->exp_id;
1076 	buf->reserved2 = pipe->frame_config_id[buf->index];
1077 
1078 	dev_dbg(isp->dev,
1079 		"dqbuf buffer %d (%s) with exp_id %d, isp_config_id %d\n",
1080 		buf->index, vdev->name, buf->reserved >> 16, buf->reserved2);
1081 	return 0;
1082 }
1083 
1084 /* Input system HW workaround */
1085 /* Input system address translation corrupts burst during */
1086 /* invalidate. SW workaround for this is to set burst length */
1087 /* manually to 128 in case of 13MPx snapshot and to 1 otherwise. */
1088 static void atomisp_dma_burst_len_cfg(struct atomisp_sub_device *asd)
1089 {
1090 	struct v4l2_mbus_framefmt *sink;
1091 
1092 	sink = atomisp_subdev_get_ffmt(&asd->subdev, NULL,
1093 				       V4L2_SUBDEV_FORMAT_ACTIVE,
1094 				       ATOMISP_SUBDEV_PAD_SINK);
1095 
1096 	if (sink->width * sink->height >= 4096 * 3072)
1097 		atomisp_css2_hw_store_32(DMA_BURST_SIZE_REG, 0x7F);
1098 	else
1099 		atomisp_css2_hw_store_32(DMA_BURST_SIZE_REG, 0x00);
1100 }
1101 
1102 int atomisp_start_streaming(struct vb2_queue *vq, unsigned int count)
1103 {
1104 	struct atomisp_video_pipe *pipe = vq_to_pipe(vq);
1105 	struct atomisp_sub_device *asd = pipe->asd;
1106 	struct atomisp_device *isp = asd->isp;
1107 	struct pci_dev *pdev = to_pci_dev(isp->dev);
1108 	unsigned long irqflags;
1109 	int ret;
1110 
1111 	dev_dbg(isp->dev, "Start stream\n");
1112 
1113 	mutex_lock(&isp->mutex);
1114 
1115 	ret = atomisp_pipe_check(pipe, false);
1116 	if (ret)
1117 		goto out_unlock;
1118 
1119 	/* Input system HW workaround */
1120 	atomisp_dma_burst_len_cfg(asd);
1121 
1122 	/* Invalidate caches. FIXME: should flush only necessary buffers */
1123 	wbinvd();
1124 
1125 	if (asd->params.css_update_params_needed) {
1126 		atomisp_apply_css_parameters(asd, &asd->params.css_param);
1127 		if (asd->params.css_param.update_flag.dz_config)
1128 			asd->params.config.dz_config = &asd->params.css_param.dz_config;
1129 		atomisp_css_update_isp_params(asd);
1130 		asd->params.css_update_params_needed = false;
1131 		memset(&asd->params.css_param.update_flag, 0,
1132 		       sizeof(struct atomisp_parameters));
1133 	}
1134 	asd->params.dvs_6axis = NULL;
1135 
1136 	ret = atomisp_css_start(asd);
1137 	if (ret) {
1138 		atomisp_flush_video_pipe(pipe, VB2_BUF_STATE_QUEUED, true);
1139 		goto out_unlock;
1140 	}
1141 
1142 	spin_lock_irqsave(&isp->lock, irqflags);
1143 	asd->streaming = true;
1144 	spin_unlock_irqrestore(&isp->lock, irqflags);
1145 	atomic_set(&asd->sof_count, -1);
1146 	atomic_set(&asd->sequence, -1);
1147 	atomic_set(&asd->sequence_temp, -1);
1148 
1149 	asd->params.dis_proj_data_valid = false;
1150 	asd->latest_preview_exp_id = 0;
1151 	asd->postview_exp_id = 1;
1152 	asd->preview_exp_id = 1;
1153 
1154 	/* handle per_frame_setting parameter and buffers */
1155 	atomisp_handle_parameter_and_buffer(pipe);
1156 
1157 	atomisp_qbuffers_to_css(asd);
1158 
1159 	if (isp->flash) {
1160 		asd->params.num_flash_frames = 0;
1161 		asd->params.flash_state = ATOMISP_FLASH_IDLE;
1162 		atomisp_setup_flash(asd);
1163 	}
1164 
1165 	atomisp_css_irq_enable(isp, IA_CSS_IRQ_INFO_CSS_RECEIVER_SOF,
1166 			       atomisp_css_valid_sof(isp));
1167 	atomisp_csi2_configure(asd);
1168 
1169 	if (atomisp_freq_scaling(isp, ATOMISP_DFS_MODE_AUTO, false) < 0)
1170 		dev_dbg(isp->dev, "DFS auto mode failed!\n");
1171 
1172 	/* Enable the CSI interface on ANN B0/K0 */
1173 	if (isp->media_dev.hw_revision >= ((ATOMISP_HW_REVISION_ISP2401 <<
1174 					    ATOMISP_HW_REVISION_SHIFT) | ATOMISP_HW_STEPPING_B0)) {
1175 		pci_write_config_word(pdev, MRFLD_PCI_CSI_CONTROL,
1176 				      isp->saved_regs.csi_control | MRFLD_PCI_CSI_CONTROL_CSI_READY);
1177 	}
1178 
1179 	/* stream on the sensor */
1180 	ret = v4l2_subdev_call(isp->inputs[asd->input_curr].camera,
1181 			       video, s_stream, 1);
1182 	if (ret) {
1183 		dev_err(isp->dev, "Starting sensor stream failed: %d\n", ret);
1184 		spin_lock_irqsave(&isp->lock, irqflags);
1185 		asd->streaming = false;
1186 		spin_unlock_irqrestore(&isp->lock, irqflags);
1187 		ret = -EINVAL;
1188 		goto out_unlock;
1189 	}
1190 
1191 out_unlock:
1192 	mutex_unlock(&isp->mutex);
1193 	return ret;
1194 }
1195 
1196 void atomisp_stop_streaming(struct vb2_queue *vq)
1197 {
1198 	struct atomisp_video_pipe *pipe = vq_to_pipe(vq);
1199 	struct atomisp_sub_device *asd = pipe->asd;
1200 	struct atomisp_device *isp = asd->isp;
1201 	struct pci_dev *pdev = to_pci_dev(isp->dev);
1202 	unsigned long flags;
1203 	int ret;
1204 
1205 	dev_dbg(isp->dev, "Stop stream\n");
1206 
1207 	mutex_lock(&isp->mutex);
1208 	/*
1209 	 * There is no guarantee that the buffers queued to / owned by the ISP
1210 	 * will properly be returned to the queue when stopping. Set a flag to
1211 	 * avoid new buffers getting queued and then wait for all the current
1212 	 * buffers to finish.
1213 	 */
1214 	pipe->stopping = true;
1215 	mutex_unlock(&isp->mutex);
1216 	/* wait max 1 second */
1217 	ret = wait_event_timeout(pipe->vb_queue.done_wq,
1218 				 atomisp_buffers_in_css(pipe) == 0, HZ);
1219 	mutex_lock(&isp->mutex);
1220 	pipe->stopping = false;
1221 	if (ret == 0)
1222 		dev_warn(isp->dev, "Warning timeout waiting for CSS to return buffers\n");
1223 
1224 	spin_lock_irqsave(&isp->lock, flags);
1225 	asd->streaming = false;
1226 	spin_unlock_irqrestore(&isp->lock, flags);
1227 
1228 	atomisp_clear_css_buffer_counters(asd);
1229 	atomisp_css_irq_enable(isp, IA_CSS_IRQ_INFO_CSS_RECEIVER_SOF, false);
1230 
1231 	atomisp_css_stop(asd, false);
1232 
1233 	atomisp_flush_video_pipe(pipe, VB2_BUF_STATE_ERROR, true);
1234 
1235 	atomisp_subdev_cleanup_pending_events(asd);
1236 
1237 	ret = v4l2_subdev_call(isp->inputs[asd->input_curr].camera,
1238 			       video, s_stream, 0);
1239 	if (ret)
1240 		dev_warn(isp->dev, "Stopping sensor stream failed: %d\n", ret);
1241 
1242 	if (isp->flash) {
1243 		asd->params.num_flash_frames = 0;
1244 		asd->params.flash_state = ATOMISP_FLASH_IDLE;
1245 	}
1246 
1247 	/* Disable the CSI interface on ANN B0/K0 */
1248 	if (isp->media_dev.hw_revision >= ((ATOMISP_HW_REVISION_ISP2401 <<
1249 					    ATOMISP_HW_REVISION_SHIFT) | ATOMISP_HW_STEPPING_B0)) {
1250 		pci_write_config_word(pdev, MRFLD_PCI_CSI_CONTROL,
1251 				      isp->saved_regs.csi_control & ~MRFLD_PCI_CSI_CONTROL_CSI_READY);
1252 	}
1253 
1254 	if (atomisp_freq_scaling(isp, ATOMISP_DFS_MODE_LOW, false))
1255 		dev_warn(isp->dev, "DFS failed.\n");
1256 
1257 	/*
1258 	 * ISP work around, need to reset ISP to allow next stream on to work.
1259 	 * Streams have already been destroyed by atomisp_css_stop().
1260 	 * Disable PUNIT/ISP acknowlede/handshake - SRSE=3 and then reset.
1261 	 */
1262 	pci_write_config_dword(pdev, PCI_I_CONTROL,
1263 			       isp->saved_regs.i_control | MRFLD_PCI_I_CONTROL_SRSE_RESET_MASK);
1264 	atomisp_reset(isp);
1265 
1266 	/* Streams were destroyed by atomisp_css_stop(), recreate them. */
1267 	ret = atomisp_create_pipes_stream(&isp->asd);
1268 	if (ret)
1269 		dev_warn(isp->dev, "Recreating streams failed: %d\n", ret);
1270 
1271 	mutex_unlock(&isp->mutex);
1272 }
1273 
1274 /*
1275  * To get the current value of a control.
1276  * applications initialize the id field of a struct v4l2_control and
1277  * call this ioctl with a pointer to this structure
1278  */
1279 static int atomisp_g_ctrl(struct file *file, void *fh,
1280 			  struct v4l2_control *control)
1281 {
1282 	struct video_device *vdev = video_devdata(file);
1283 	struct atomisp_sub_device *asd = atomisp_to_video_pipe(vdev)->asd;
1284 	struct atomisp_device *isp = video_get_drvdata(vdev);
1285 	int i, ret = -EINVAL;
1286 
1287 	for (i = 0; i < ctrls_num; i++) {
1288 		if (ci_v4l2_controls[i].id == control->id) {
1289 			ret = 0;
1290 			break;
1291 		}
1292 	}
1293 
1294 	if (ret)
1295 		return ret;
1296 
1297 	switch (control->id) {
1298 	case V4L2_CID_IRIS_ABSOLUTE:
1299 	case V4L2_CID_EXPOSURE_ABSOLUTE:
1300 	case V4L2_CID_2A_STATUS:
1301 	case V4L2_CID_AUTO_N_PRESET_WHITE_BALANCE:
1302 	case V4L2_CID_EXPOSURE:
1303 	case V4L2_CID_EXPOSURE_AUTO:
1304 	case V4L2_CID_SCENE_MODE:
1305 	case V4L2_CID_ISO_SENSITIVITY:
1306 	case V4L2_CID_ISO_SENSITIVITY_AUTO:
1307 	case V4L2_CID_CONTRAST:
1308 	case V4L2_CID_SATURATION:
1309 	case V4L2_CID_SHARPNESS:
1310 	case V4L2_CID_3A_LOCK:
1311 	case V4L2_CID_EXPOSURE_ZONE_NUM:
1312 	case V4L2_CID_TEST_PATTERN:
1313 	case V4L2_CID_TEST_PATTERN_COLOR_R:
1314 	case V4L2_CID_TEST_PATTERN_COLOR_GR:
1315 	case V4L2_CID_TEST_PATTERN_COLOR_GB:
1316 	case V4L2_CID_TEST_PATTERN_COLOR_B:
1317 		return v4l2_g_ctrl(isp->inputs[asd->input_curr].camera->
1318 				   ctrl_handler, control);
1319 	case V4L2_CID_COLORFX:
1320 		ret = atomisp_color_effect(asd, 0, &control->value);
1321 		break;
1322 	case V4L2_CID_ATOMISP_BAD_PIXEL_DETECTION:
1323 		ret = atomisp_bad_pixel(asd, 0, &control->value);
1324 		break;
1325 	case V4L2_CID_ATOMISP_POSTPROCESS_GDC_CAC:
1326 		ret = atomisp_gdc_cac(asd, 0, &control->value);
1327 		break;
1328 	case V4L2_CID_ATOMISP_VIDEO_STABLIZATION:
1329 		ret = atomisp_video_stable(asd, 0, &control->value);
1330 		break;
1331 	case V4L2_CID_ATOMISP_FIXED_PATTERN_NR:
1332 		ret = atomisp_fixed_pattern(asd, 0, &control->value);
1333 		break;
1334 	case V4L2_CID_ATOMISP_FALSE_COLOR_CORRECTION:
1335 		ret = atomisp_false_color(asd, 0, &control->value);
1336 		break;
1337 	case V4L2_CID_ATOMISP_LOW_LIGHT:
1338 		ret = atomisp_low_light(asd, 0, &control->value);
1339 		break;
1340 	default:
1341 		ret = -EINVAL;
1342 		break;
1343 	}
1344 
1345 	return ret;
1346 }
1347 
1348 /*
1349  * To change the value of a control.
1350  * applications initialize the id and value fields of a struct v4l2_control
1351  * and call this ioctl.
1352  */
1353 static int atomisp_s_ctrl(struct file *file, void *fh,
1354 			  struct v4l2_control *control)
1355 {
1356 	struct video_device *vdev = video_devdata(file);
1357 	struct atomisp_sub_device *asd = atomisp_to_video_pipe(vdev)->asd;
1358 	struct atomisp_device *isp = video_get_drvdata(vdev);
1359 	int i, ret = -EINVAL;
1360 
1361 	for (i = 0; i < ctrls_num; i++) {
1362 		if (ci_v4l2_controls[i].id == control->id) {
1363 			ret = 0;
1364 			break;
1365 		}
1366 	}
1367 
1368 	if (ret)
1369 		return ret;
1370 
1371 	switch (control->id) {
1372 	case V4L2_CID_AUTO_N_PRESET_WHITE_BALANCE:
1373 	case V4L2_CID_EXPOSURE:
1374 	case V4L2_CID_EXPOSURE_AUTO:
1375 	case V4L2_CID_EXPOSURE_AUTO_PRIORITY:
1376 	case V4L2_CID_SCENE_MODE:
1377 	case V4L2_CID_ISO_SENSITIVITY:
1378 	case V4L2_CID_ISO_SENSITIVITY_AUTO:
1379 	case V4L2_CID_POWER_LINE_FREQUENCY:
1380 	case V4L2_CID_EXPOSURE_METERING:
1381 	case V4L2_CID_CONTRAST:
1382 	case V4L2_CID_SATURATION:
1383 	case V4L2_CID_SHARPNESS:
1384 	case V4L2_CID_3A_LOCK:
1385 	case V4L2_CID_COLORFX_CBCR:
1386 	case V4L2_CID_TEST_PATTERN:
1387 	case V4L2_CID_TEST_PATTERN_COLOR_R:
1388 	case V4L2_CID_TEST_PATTERN_COLOR_GR:
1389 	case V4L2_CID_TEST_PATTERN_COLOR_GB:
1390 	case V4L2_CID_TEST_PATTERN_COLOR_B:
1391 		return v4l2_s_ctrl(NULL,
1392 				   isp->inputs[asd->input_curr].camera->
1393 				   ctrl_handler, control);
1394 	case V4L2_CID_COLORFX:
1395 		ret = atomisp_color_effect(asd, 1, &control->value);
1396 		break;
1397 	case V4L2_CID_ATOMISP_BAD_PIXEL_DETECTION:
1398 		ret = atomisp_bad_pixel(asd, 1, &control->value);
1399 		break;
1400 	case V4L2_CID_ATOMISP_POSTPROCESS_GDC_CAC:
1401 		ret = atomisp_gdc_cac(asd, 1, &control->value);
1402 		break;
1403 	case V4L2_CID_ATOMISP_VIDEO_STABLIZATION:
1404 		ret = atomisp_video_stable(asd, 1, &control->value);
1405 		break;
1406 	case V4L2_CID_ATOMISP_FIXED_PATTERN_NR:
1407 		ret = atomisp_fixed_pattern(asd, 1, &control->value);
1408 		break;
1409 	case V4L2_CID_ATOMISP_FALSE_COLOR_CORRECTION:
1410 		ret = atomisp_false_color(asd, 1, &control->value);
1411 		break;
1412 	case V4L2_CID_REQUEST_FLASH:
1413 		ret = atomisp_flash_enable(asd, control->value);
1414 		break;
1415 	case V4L2_CID_ATOMISP_LOW_LIGHT:
1416 		ret = atomisp_low_light(asd, 1, &control->value);
1417 		break;
1418 	default:
1419 		ret = -EINVAL;
1420 		break;
1421 	}
1422 	return ret;
1423 }
1424 
1425 /*
1426  * To query the attributes of a control.
1427  * applications set the id field of a struct v4l2_queryctrl and call the
1428  * this ioctl with a pointer to this structure. The driver fills
1429  * the rest of the structure.
1430  */
1431 static int atomisp_queryctl(struct file *file, void *fh,
1432 			    struct v4l2_queryctrl *qc)
1433 {
1434 	int i, ret = -EINVAL;
1435 	struct video_device *vdev = video_devdata(file);
1436 	struct atomisp_sub_device *asd = atomisp_to_video_pipe(vdev)->asd;
1437 	struct atomisp_device *isp = video_get_drvdata(vdev);
1438 
1439 	switch (qc->id) {
1440 	case V4L2_CID_FOCUS_ABSOLUTE:
1441 	case V4L2_CID_FOCUS_RELATIVE:
1442 	case V4L2_CID_FOCUS_STATUS:
1443 		if (!IS_ISP2401) {
1444 			return v4l2_queryctrl(isp->inputs[asd->input_curr].camera->
1445 					    ctrl_handler, qc);
1446 		}
1447 		/* ISP2401 */
1448 		if (isp->motor)
1449 			return v4l2_queryctrl(isp->motor->ctrl_handler, qc);
1450 		else
1451 			return v4l2_queryctrl(isp->inputs[asd->input_curr].
1452 					      camera->ctrl_handler, qc);
1453 	}
1454 
1455 	if (qc->id & V4L2_CTRL_FLAG_NEXT_CTRL)
1456 		return ret;
1457 
1458 	for (i = 0; i < ctrls_num; i++) {
1459 		if (ci_v4l2_controls[i].id == qc->id) {
1460 			memcpy(qc, &ci_v4l2_controls[i],
1461 			       sizeof(struct v4l2_queryctrl));
1462 			qc->reserved[0] = 0;
1463 			ret = 0;
1464 			break;
1465 		}
1466 	}
1467 	if (ret != 0)
1468 		qc->flags = V4L2_CTRL_FLAG_DISABLED;
1469 
1470 	return ret;
1471 }
1472 
1473 static int atomisp_camera_g_ext_ctrls(struct file *file, void *fh,
1474 				      struct v4l2_ext_controls *c)
1475 {
1476 	struct video_device *vdev = video_devdata(file);
1477 	struct atomisp_sub_device *asd = atomisp_to_video_pipe(vdev)->asd;
1478 	struct atomisp_device *isp = video_get_drvdata(vdev);
1479 	struct v4l2_subdev *motor;
1480 	struct v4l2_control ctrl;
1481 	int i;
1482 	int ret = 0;
1483 
1484 	if (!IS_ISP2401)
1485 		motor = isp->inputs[asd->input_curr].motor;
1486 	else
1487 		motor = isp->motor;
1488 
1489 	for (i = 0; i < c->count; i++) {
1490 		ctrl.id = c->controls[i].id;
1491 		ctrl.value = c->controls[i].value;
1492 		switch (ctrl.id) {
1493 		case V4L2_CID_EXPOSURE_ABSOLUTE:
1494 		case V4L2_CID_EXPOSURE_AUTO:
1495 		case V4L2_CID_IRIS_ABSOLUTE:
1496 		case V4L2_CID_3A_LOCK:
1497 		case V4L2_CID_TEST_PATTERN:
1498 		case V4L2_CID_TEST_PATTERN_COLOR_R:
1499 		case V4L2_CID_TEST_PATTERN_COLOR_GR:
1500 		case V4L2_CID_TEST_PATTERN_COLOR_GB:
1501 		case V4L2_CID_TEST_PATTERN_COLOR_B:
1502 			/*
1503 			 * Exposure related control will be handled by sensor
1504 			 * driver
1505 			 */
1506 			ret =
1507 			    v4l2_g_ctrl(isp->inputs[asd->input_curr].camera->
1508 					ctrl_handler, &ctrl);
1509 			break;
1510 		case V4L2_CID_FOCUS_ABSOLUTE:
1511 		case V4L2_CID_FOCUS_RELATIVE:
1512 		case V4L2_CID_FOCUS_STATUS:
1513 		case V4L2_CID_FOCUS_AUTO:
1514 			if (motor)
1515 				ret = v4l2_g_ctrl(motor->ctrl_handler, &ctrl);
1516 			break;
1517 		case V4L2_CID_FLASH_STATUS:
1518 		case V4L2_CID_FLASH_INTENSITY:
1519 		case V4L2_CID_FLASH_TORCH_INTENSITY:
1520 		case V4L2_CID_FLASH_INDICATOR_INTENSITY:
1521 		case V4L2_CID_FLASH_TIMEOUT:
1522 		case V4L2_CID_FLASH_STROBE:
1523 		case V4L2_CID_FLASH_MODE:
1524 		case V4L2_CID_FLASH_STATUS_REGISTER:
1525 			if (isp->flash)
1526 				ret =
1527 				    v4l2_g_ctrl(isp->flash->ctrl_handler,
1528 						&ctrl);
1529 			break;
1530 		case V4L2_CID_ZOOM_ABSOLUTE:
1531 			ret = atomisp_digital_zoom(asd, 0, &ctrl.value);
1532 			break;
1533 		case V4L2_CID_G_SKIP_FRAMES:
1534 			ret = v4l2_subdev_call(
1535 				  isp->inputs[asd->input_curr].camera,
1536 				  sensor, g_skip_frames, (u32 *)&ctrl.value);
1537 			break;
1538 		default:
1539 			ret = -EINVAL;
1540 		}
1541 
1542 		if (ret) {
1543 			c->error_idx = i;
1544 			break;
1545 		}
1546 		c->controls[i].value = ctrl.value;
1547 	}
1548 	return ret;
1549 }
1550 
1551 /* This ioctl allows the application to get multiple controls by class */
1552 static int atomisp_g_ext_ctrls(struct file *file, void *fh,
1553 			       struct v4l2_ext_controls *c)
1554 {
1555 	struct v4l2_control ctrl;
1556 	int i, ret = 0;
1557 
1558 	/*
1559 	 * input_lock is not need for the Camera related IOCTLs
1560 	 * The input_lock downgrade the FPS of 3A
1561 	 */
1562 	ret = atomisp_camera_g_ext_ctrls(file, fh, c);
1563 	if (ret != -EINVAL)
1564 		return ret;
1565 
1566 	for (i = 0; i < c->count; i++) {
1567 		ctrl.id = c->controls[i].id;
1568 		ctrl.value = c->controls[i].value;
1569 		ret = atomisp_g_ctrl(file, fh, &ctrl);
1570 		c->controls[i].value = ctrl.value;
1571 		if (ret) {
1572 			c->error_idx = i;
1573 			break;
1574 		}
1575 	}
1576 	return ret;
1577 }
1578 
1579 static int atomisp_camera_s_ext_ctrls(struct file *file, void *fh,
1580 				      struct v4l2_ext_controls *c)
1581 {
1582 	struct video_device *vdev = video_devdata(file);
1583 	struct atomisp_sub_device *asd = atomisp_to_video_pipe(vdev)->asd;
1584 	struct atomisp_device *isp = video_get_drvdata(vdev);
1585 	struct v4l2_subdev *motor;
1586 	struct v4l2_control ctrl;
1587 	int i;
1588 	int ret = 0;
1589 
1590 	if (!IS_ISP2401)
1591 		motor = isp->inputs[asd->input_curr].motor;
1592 	else
1593 		motor = isp->motor;
1594 
1595 	for (i = 0; i < c->count; i++) {
1596 		struct v4l2_ctrl *ctr;
1597 
1598 		ctrl.id = c->controls[i].id;
1599 		ctrl.value = c->controls[i].value;
1600 		switch (ctrl.id) {
1601 		case V4L2_CID_EXPOSURE_ABSOLUTE:
1602 		case V4L2_CID_EXPOSURE_AUTO:
1603 		case V4L2_CID_EXPOSURE_METERING:
1604 		case V4L2_CID_IRIS_ABSOLUTE:
1605 		case V4L2_CID_VCM_TIMING:
1606 		case V4L2_CID_VCM_SLEW:
1607 		case V4L2_CID_3A_LOCK:
1608 		case V4L2_CID_TEST_PATTERN:
1609 		case V4L2_CID_TEST_PATTERN_COLOR_R:
1610 		case V4L2_CID_TEST_PATTERN_COLOR_GR:
1611 		case V4L2_CID_TEST_PATTERN_COLOR_GB:
1612 		case V4L2_CID_TEST_PATTERN_COLOR_B:
1613 			ret = v4l2_s_ctrl(NULL,
1614 					  isp->inputs[asd->input_curr].camera->
1615 					  ctrl_handler, &ctrl);
1616 			break;
1617 		case V4L2_CID_FOCUS_ABSOLUTE:
1618 		case V4L2_CID_FOCUS_RELATIVE:
1619 		case V4L2_CID_FOCUS_STATUS:
1620 		case V4L2_CID_FOCUS_AUTO:
1621 			if (motor)
1622 				ret = v4l2_s_ctrl(NULL, motor->ctrl_handler,
1623 						  &ctrl);
1624 			else
1625 				ret = v4l2_s_ctrl(NULL,
1626 						  isp->inputs[asd->input_curr].
1627 						  camera->ctrl_handler, &ctrl);
1628 			break;
1629 		case V4L2_CID_FLASH_STATUS:
1630 		case V4L2_CID_FLASH_INTENSITY:
1631 		case V4L2_CID_FLASH_TORCH_INTENSITY:
1632 		case V4L2_CID_FLASH_INDICATOR_INTENSITY:
1633 		case V4L2_CID_FLASH_TIMEOUT:
1634 		case V4L2_CID_FLASH_STROBE:
1635 		case V4L2_CID_FLASH_MODE:
1636 		case V4L2_CID_FLASH_STATUS_REGISTER:
1637 			if (isp->flash) {
1638 				ret =
1639 				    v4l2_s_ctrl(NULL, isp->flash->ctrl_handler,
1640 						&ctrl);
1641 				/*
1642 				 * When flash mode is changed we need to reset
1643 				 * flash state
1644 				 */
1645 				if (ctrl.id == V4L2_CID_FLASH_MODE) {
1646 					asd->params.flash_state =
1647 					    ATOMISP_FLASH_IDLE;
1648 					asd->params.num_flash_frames = 0;
1649 				}
1650 			}
1651 			break;
1652 		case V4L2_CID_ZOOM_ABSOLUTE:
1653 			ret = atomisp_digital_zoom(asd, 1, &ctrl.value);
1654 			break;
1655 		default:
1656 			ctr = v4l2_ctrl_find(&asd->ctrl_handler, ctrl.id);
1657 			if (ctr)
1658 				ret = v4l2_ctrl_s_ctrl(ctr, ctrl.value);
1659 			else
1660 				ret = -EINVAL;
1661 		}
1662 
1663 		if (ret) {
1664 			c->error_idx = i;
1665 			break;
1666 		}
1667 		c->controls[i].value = ctrl.value;
1668 	}
1669 	return ret;
1670 }
1671 
1672 /* This ioctl allows the application to set multiple controls by class */
1673 static int atomisp_s_ext_ctrls(struct file *file, void *fh,
1674 			       struct v4l2_ext_controls *c)
1675 {
1676 	struct v4l2_control ctrl;
1677 	int i, ret = 0;
1678 
1679 	/*
1680 	 * input_lock is not need for the Camera related IOCTLs
1681 	 * The input_lock downgrade the FPS of 3A
1682 	 */
1683 	ret = atomisp_camera_s_ext_ctrls(file, fh, c);
1684 	if (ret != -EINVAL)
1685 		return ret;
1686 
1687 	for (i = 0; i < c->count; i++) {
1688 		ctrl.id = c->controls[i].id;
1689 		ctrl.value = c->controls[i].value;
1690 		ret = atomisp_s_ctrl(file, fh, &ctrl);
1691 		c->controls[i].value = ctrl.value;
1692 		if (ret) {
1693 			c->error_idx = i;
1694 			break;
1695 		}
1696 	}
1697 	return ret;
1698 }
1699 
1700 /*
1701  * vidioc_g/s_param are used to switch isp running mode
1702  */
1703 static int atomisp_g_parm(struct file *file, void *fh,
1704 			  struct v4l2_streamparm *parm)
1705 {
1706 	struct video_device *vdev = video_devdata(file);
1707 	struct atomisp_sub_device *asd = atomisp_to_video_pipe(vdev)->asd;
1708 	struct atomisp_device *isp = video_get_drvdata(vdev);
1709 
1710 	if (parm->type != V4L2_BUF_TYPE_VIDEO_CAPTURE) {
1711 		dev_err(isp->dev, "unsupported v4l2 buf type\n");
1712 		return -EINVAL;
1713 	}
1714 
1715 	parm->parm.capture.capturemode = asd->run_mode->val;
1716 
1717 	return 0;
1718 }
1719 
1720 static int atomisp_s_parm(struct file *file, void *fh,
1721 			  struct v4l2_streamparm *parm)
1722 {
1723 	struct video_device *vdev = video_devdata(file);
1724 	struct atomisp_device *isp = video_get_drvdata(vdev);
1725 	struct atomisp_sub_device *asd = atomisp_to_video_pipe(vdev)->asd;
1726 	int mode;
1727 	int rval;
1728 	int fps;
1729 
1730 	if (parm->type != V4L2_BUF_TYPE_VIDEO_CAPTURE) {
1731 		dev_err(isp->dev, "unsupported v4l2 buf type\n");
1732 		return -EINVAL;
1733 	}
1734 
1735 	asd->high_speed_mode = false;
1736 	switch (parm->parm.capture.capturemode) {
1737 	case CI_MODE_NONE: {
1738 		struct v4l2_subdev_frame_interval fi = {0};
1739 
1740 		fi.interval = parm->parm.capture.timeperframe;
1741 
1742 		rval = v4l2_subdev_call_state_active(isp->inputs[asd->input_curr].camera,
1743 						     pad, set_frame_interval, &fi);
1744 		if (!rval)
1745 			parm->parm.capture.timeperframe = fi.interval;
1746 
1747 		if (fi.interval.numerator != 0) {
1748 			fps = fi.interval.denominator / fi.interval.numerator;
1749 			if (fps > 30)
1750 				asd->high_speed_mode = true;
1751 		}
1752 
1753 		return rval == -ENOIOCTLCMD ? 0 : rval;
1754 	}
1755 	case CI_MODE_VIDEO:
1756 		mode = ATOMISP_RUN_MODE_VIDEO;
1757 		break;
1758 	case CI_MODE_STILL_CAPTURE:
1759 		mode = ATOMISP_RUN_MODE_STILL_CAPTURE;
1760 		break;
1761 	case CI_MODE_PREVIEW:
1762 		mode = ATOMISP_RUN_MODE_PREVIEW;
1763 		break;
1764 	default:
1765 		return -EINVAL;
1766 	}
1767 
1768 	rval = v4l2_ctrl_s_ctrl(asd->run_mode, mode);
1769 
1770 	return rval == -ENOIOCTLCMD ? 0 : rval;
1771 }
1772 
1773 static long atomisp_vidioc_default(struct file *file, void *fh,
1774 				   bool valid_prio, unsigned int cmd, void *arg)
1775 {
1776 	struct video_device *vdev = video_devdata(file);
1777 	struct atomisp_device *isp = video_get_drvdata(vdev);
1778 	struct atomisp_sub_device *asd = atomisp_to_video_pipe(vdev)->asd;
1779 	int err;
1780 
1781 	switch (cmd) {
1782 	case ATOMISP_IOC_G_XNR:
1783 		err = atomisp_xnr(asd, 0, arg);
1784 		break;
1785 
1786 	case ATOMISP_IOC_S_XNR:
1787 		err = atomisp_xnr(asd, 1, arg);
1788 		break;
1789 
1790 	case ATOMISP_IOC_G_NR:
1791 		err = atomisp_nr(asd, 0, arg);
1792 		break;
1793 
1794 	case ATOMISP_IOC_S_NR:
1795 		err = atomisp_nr(asd, 1, arg);
1796 		break;
1797 
1798 	case ATOMISP_IOC_G_TNR:
1799 		err = atomisp_tnr(asd, 0, arg);
1800 		break;
1801 
1802 	case ATOMISP_IOC_S_TNR:
1803 		err = atomisp_tnr(asd, 1, arg);
1804 		break;
1805 
1806 	case ATOMISP_IOC_G_BLACK_LEVEL_COMP:
1807 		err = atomisp_black_level(asd, 0, arg);
1808 		break;
1809 
1810 	case ATOMISP_IOC_S_BLACK_LEVEL_COMP:
1811 		err = atomisp_black_level(asd, 1, arg);
1812 		break;
1813 
1814 	case ATOMISP_IOC_G_EE:
1815 		err = atomisp_ee(asd, 0, arg);
1816 		break;
1817 
1818 	case ATOMISP_IOC_S_EE:
1819 		err = atomisp_ee(asd, 1, arg);
1820 		break;
1821 
1822 	case ATOMISP_IOC_G_DIS_STAT:
1823 		err = atomisp_get_dis_stat(asd, arg);
1824 		break;
1825 
1826 	case ATOMISP_IOC_G_DVS2_BQ_RESOLUTIONS:
1827 		err = atomisp_get_dvs2_bq_resolutions(asd, arg);
1828 		break;
1829 
1830 	case ATOMISP_IOC_S_DIS_COEFS:
1831 		err = atomisp_css_cp_dvs2_coefs(asd, arg,
1832 						&asd->params.css_param, true);
1833 		if (!err && arg)
1834 			asd->params.css_update_params_needed = true;
1835 		break;
1836 
1837 	case ATOMISP_IOC_S_DIS_VECTOR:
1838 		err = atomisp_cp_dvs_6axis_config(asd, arg,
1839 						  &asd->params.css_param, true);
1840 		if (!err && arg)
1841 			asd->params.css_update_params_needed = true;
1842 		break;
1843 
1844 	case ATOMISP_IOC_G_ISP_PARM:
1845 		err = atomisp_param(asd, 0, arg);
1846 		break;
1847 
1848 	case ATOMISP_IOC_S_ISP_PARM:
1849 		err = atomisp_param(asd, 1, arg);
1850 		break;
1851 
1852 	case ATOMISP_IOC_G_3A_STAT:
1853 		err = atomisp_3a_stat(asd, 0, arg);
1854 		break;
1855 
1856 	case ATOMISP_IOC_G_ISP_GAMMA:
1857 		err = atomisp_gamma(asd, 0, arg);
1858 		break;
1859 
1860 	case ATOMISP_IOC_S_ISP_GAMMA:
1861 		err = atomisp_gamma(asd, 1, arg);
1862 		break;
1863 
1864 	case ATOMISP_IOC_G_ISP_GDC_TAB:
1865 		err = atomisp_gdc_cac_table(asd, 0, arg);
1866 		break;
1867 
1868 	case ATOMISP_IOC_S_ISP_GDC_TAB:
1869 		err = atomisp_gdc_cac_table(asd, 1, arg);
1870 		break;
1871 
1872 	case ATOMISP_IOC_G_ISP_MACC:
1873 		err = atomisp_macc_table(asd, 0, arg);
1874 		break;
1875 
1876 	case ATOMISP_IOC_S_ISP_MACC:
1877 		err = atomisp_macc_table(asd, 1, arg);
1878 		break;
1879 
1880 	case ATOMISP_IOC_G_ISP_BAD_PIXEL_DETECTION:
1881 		err = atomisp_bad_pixel_param(asd, 0, arg);
1882 		break;
1883 
1884 	case ATOMISP_IOC_S_ISP_BAD_PIXEL_DETECTION:
1885 		err = atomisp_bad_pixel_param(asd, 1, arg);
1886 		break;
1887 
1888 	case ATOMISP_IOC_G_ISP_FALSE_COLOR_CORRECTION:
1889 		err = atomisp_false_color_param(asd, 0, arg);
1890 		break;
1891 
1892 	case ATOMISP_IOC_S_ISP_FALSE_COLOR_CORRECTION:
1893 		err = atomisp_false_color_param(asd, 1, arg);
1894 		break;
1895 
1896 	case ATOMISP_IOC_G_ISP_CTC:
1897 		err = atomisp_ctc(asd, 0, arg);
1898 		break;
1899 
1900 	case ATOMISP_IOC_S_ISP_CTC:
1901 		err = atomisp_ctc(asd, 1, arg);
1902 		break;
1903 
1904 	case ATOMISP_IOC_G_ISP_WHITE_BALANCE:
1905 		err = atomisp_white_balance_param(asd, 0, arg);
1906 		break;
1907 
1908 	case ATOMISP_IOC_S_ISP_WHITE_BALANCE:
1909 		err = atomisp_white_balance_param(asd, 1, arg);
1910 		break;
1911 
1912 	case ATOMISP_IOC_G_3A_CONFIG:
1913 		err = atomisp_3a_config_param(asd, 0, arg);
1914 		break;
1915 
1916 	case ATOMISP_IOC_S_3A_CONFIG:
1917 		err = atomisp_3a_config_param(asd, 1, arg);
1918 		break;
1919 
1920 	case ATOMISP_IOC_S_ISP_FPN_TABLE:
1921 		err = atomisp_fixed_pattern_table(asd, arg);
1922 		break;
1923 
1924 	case ATOMISP_IOC_S_EXPOSURE:
1925 		err = v4l2_subdev_call(isp->inputs[asd->input_curr].camera,
1926 				       core, ioctl, cmd, arg);
1927 		break;
1928 
1929 	case ATOMISP_IOC_S_ISP_SHD_TAB:
1930 		err = atomisp_set_shading_table(asd, arg);
1931 		break;
1932 
1933 	case ATOMISP_IOC_G_ISP_GAMMA_CORRECTION:
1934 		err = atomisp_gamma_correction(asd, 0, arg);
1935 		break;
1936 
1937 	case ATOMISP_IOC_S_ISP_GAMMA_CORRECTION:
1938 		err = atomisp_gamma_correction(asd, 1, arg);
1939 		break;
1940 
1941 	case ATOMISP_IOC_S_PARAMETERS:
1942 		err = atomisp_set_parameters(vdev, arg);
1943 		break;
1944 
1945 	case ATOMISP_IOC_EXT_ISP_CTRL:
1946 		err = v4l2_subdev_call(isp->inputs[asd->input_curr].camera,
1947 				       core, ioctl, cmd, arg);
1948 		break;
1949 	case ATOMISP_IOC_EXP_ID_UNLOCK:
1950 		err = atomisp_exp_id_unlock(asd, arg);
1951 		break;
1952 	case ATOMISP_IOC_EXP_ID_CAPTURE:
1953 		err = atomisp_exp_id_capture(asd, arg);
1954 		break;
1955 	case ATOMISP_IOC_S_ENABLE_DZ_CAPT_PIPE:
1956 		err = atomisp_enable_dz_capt_pipe(asd, arg);
1957 		break;
1958 	case ATOMISP_IOC_G_FORMATS_CONFIG:
1959 		err = atomisp_formats(asd, 0, arg);
1960 		break;
1961 
1962 	case ATOMISP_IOC_S_FORMATS_CONFIG:
1963 		err = atomisp_formats(asd, 1, arg);
1964 		break;
1965 	case ATOMISP_IOC_INJECT_A_FAKE_EVENT:
1966 		err = atomisp_inject_a_fake_event(asd, arg);
1967 		break;
1968 	case ATOMISP_IOC_S_ARRAY_RESOLUTION:
1969 		err = atomisp_set_array_res(asd, arg);
1970 		break;
1971 	default:
1972 		err = -EINVAL;
1973 		break;
1974 	}
1975 
1976 	return err;
1977 }
1978 
1979 const struct v4l2_ioctl_ops atomisp_ioctl_ops = {
1980 	.vidioc_querycap = atomisp_querycap,
1981 	.vidioc_enum_input = atomisp_enum_input,
1982 	.vidioc_g_input = atomisp_g_input,
1983 	.vidioc_s_input = atomisp_s_input,
1984 	.vidioc_queryctrl = atomisp_queryctl,
1985 	.vidioc_s_ctrl = atomisp_s_ctrl,
1986 	.vidioc_g_ctrl = atomisp_g_ctrl,
1987 	.vidioc_s_ext_ctrls = atomisp_s_ext_ctrls,
1988 	.vidioc_g_ext_ctrls = atomisp_g_ext_ctrls,
1989 	.vidioc_enum_framesizes   = atomisp_enum_framesizes,
1990 	.vidioc_enum_frameintervals = atomisp_enum_frameintervals,
1991 	.vidioc_enum_fmt_vid_cap = atomisp_enum_fmt_cap,
1992 	.vidioc_try_fmt_vid_cap = atomisp_try_fmt_cap,
1993 	.vidioc_g_fmt_vid_cap = atomisp_g_fmt_cap,
1994 	.vidioc_s_fmt_vid_cap = atomisp_s_fmt_cap,
1995 	.vidioc_reqbufs = vb2_ioctl_reqbufs,
1996 	.vidioc_querybuf = vb2_ioctl_querybuf,
1997 	.vidioc_qbuf = atomisp_qbuf_wrapper,
1998 	.vidioc_dqbuf = atomisp_dqbuf_wrapper,
1999 	.vidioc_streamon = vb2_ioctl_streamon,
2000 	.vidioc_streamoff = vb2_ioctl_streamoff,
2001 	.vidioc_default = atomisp_vidioc_default,
2002 	.vidioc_s_parm = atomisp_s_parm,
2003 	.vidioc_g_parm = atomisp_g_parm,
2004 };
2005