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 *
atomisp_get_format_bridge(unsigned int pixelformat)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 *
atomisp_get_format_bridge_from_mbus(u32 mbus_code)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 
atomisp_pipe_check(struct atomisp_video_pipe * pipe,bool settings_change)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  */
atomisp_querycap(struct file * file,void * fh,struct v4l2_capability * cap)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  */
atomisp_enum_input(struct file * file,void * fh,struct v4l2_input * input)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  */
atomisp_g_input(struct file * file,void * fh,unsigned int * input)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 
atomisp_s_fmt_cap(struct file * file,void * fh,struct v4l2_format * f)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  */
atomisp_s_input(struct file * file,void * fh,unsigned int input)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  */
atomisp_enum_framesizes_crop_inner(struct atomisp_device * isp,struct v4l2_frmsizeenum * fsize,const struct v4l2_rect * active,const struct v4l2_rect * native,int * valid_sizes)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 
atomisp_enum_framesizes_crop(struct atomisp_device * isp,struct v4l2_frmsizeenum * fsize)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 
atomisp_enum_framesizes(struct file * file,void * priv,struct v4l2_frmsizeenum * fsize)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 	struct v4l2_subdev_state *act_sd_state;
785 	int ret;
786 
787 	if (!input->camera)
788 		return -EINVAL;
789 
790 	if (input->crop_support)
791 		return atomisp_enum_framesizes_crop(isp, fsize);
792 
793 	act_sd_state = v4l2_subdev_lock_and_get_active_state(input->camera);
794 	ret = v4l2_subdev_call(input->camera, pad, enum_frame_size,
795 			       act_sd_state, &fse);
796 	if (act_sd_state)
797 		v4l2_subdev_unlock_state(act_sd_state);
798 	if (ret)
799 		return ret;
800 
801 	fsize->type = V4L2_FRMSIZE_TYPE_DISCRETE;
802 	fsize->discrete.width = fse.max_width - pad_w;
803 	fsize->discrete.height = fse.max_height - pad_h;
804 
805 	return 0;
806 }
807 
atomisp_enum_frameintervals(struct file * file,void * priv,struct v4l2_frmivalenum * fival)808 static int atomisp_enum_frameintervals(struct file *file, void *priv,
809 				       struct v4l2_frmivalenum *fival)
810 {
811 	struct video_device *vdev = video_devdata(file);
812 	struct atomisp_device *isp = video_get_drvdata(vdev);
813 	struct atomisp_sub_device *asd = atomisp_to_video_pipe(vdev)->asd;
814 	struct atomisp_input_subdev *input = &isp->inputs[asd->input_curr];
815 	struct v4l2_subdev_frame_interval_enum fie = {
816 		.code = atomisp_in_fmt_conv[0].code,
817 		.index = fival->index,
818 		.width = fival->width,
819 		.height = fival->height,
820 		.which = V4L2_SUBDEV_FORMAT_ACTIVE,
821 	};
822 	struct v4l2_subdev_state *act_sd_state;
823 	int ret;
824 
825 	if (!input->camera)
826 		return -EINVAL;
827 
828 	act_sd_state = v4l2_subdev_lock_and_get_active_state(input->camera);
829 	ret = v4l2_subdev_call(input->camera, pad, enum_frame_interval,
830 			       act_sd_state, &fie);
831 	if (act_sd_state)
832 		v4l2_subdev_unlock_state(act_sd_state);
833 	if (ret)
834 		return ret;
835 
836 	fival->type = V4L2_FRMIVAL_TYPE_DISCRETE;
837 	fival->discrete = fie.interval;
838 
839 	return ret;
840 }
841 
atomisp_enum_fmt_cap(struct file * file,void * fh,struct v4l2_fmtdesc * f)842 static int atomisp_enum_fmt_cap(struct file *file, void *fh,
843 				struct v4l2_fmtdesc *f)
844 {
845 	struct video_device *vdev = video_devdata(file);
846 	struct atomisp_device *isp = video_get_drvdata(vdev);
847 	struct atomisp_sub_device *asd = atomisp_to_video_pipe(vdev)->asd;
848 	struct atomisp_input_subdev *input = &isp->inputs[asd->input_curr];
849 	struct v4l2_subdev_mbus_code_enum code = {
850 		.which = V4L2_SUBDEV_FORMAT_ACTIVE,
851 	};
852 	const struct atomisp_format_bridge *format;
853 	struct v4l2_subdev_state *act_sd_state;
854 	unsigned int i, fi = 0;
855 	int ret;
856 
857 	if (!input->camera)
858 		return -EINVAL;
859 
860 	act_sd_state = v4l2_subdev_lock_and_get_active_state(input->camera);
861 	ret = v4l2_subdev_call(input->camera, pad, enum_mbus_code,
862 			       act_sd_state, &code);
863 	if (act_sd_state)
864 		v4l2_subdev_unlock_state(act_sd_state);
865 	if (ret)
866 		return ret;
867 
868 	for (i = 0; i < ARRAY_SIZE(atomisp_output_fmts); i++) {
869 		format = &atomisp_output_fmts[i];
870 
871 		/*
872 		 * Is the atomisp-supported format is valid for the
873 		 * sensor (configuration)? If not, skip it.
874 		 *
875 		 * FIXME: fix the pipeline to allow sensor format too.
876 		 */
877 		if (format->sh_fmt == IA_CSS_FRAME_FORMAT_RAW)
878 			continue;
879 
880 		/* Found a match. Now let's pick f->index'th one. */
881 		if (fi < f->index) {
882 			fi++;
883 			continue;
884 		}
885 
886 		strscpy(f->description, format->description,
887 			sizeof(f->description));
888 		f->pixelformat = format->pixelformat;
889 		return 0;
890 	}
891 
892 	return -EINVAL;
893 }
894 
895 /* This function looks up the closest available resolution. */
atomisp_try_fmt_cap(struct file * file,void * fh,struct v4l2_format * f)896 static int atomisp_try_fmt_cap(struct file *file, void *fh,
897 			       struct v4l2_format *f)
898 {
899 	struct video_device *vdev = video_devdata(file);
900 	struct atomisp_device *isp = video_get_drvdata(vdev);
901 
902 	return atomisp_try_fmt(isp, &f->fmt.pix, NULL, NULL);
903 }
904 
atomisp_g_fmt_cap(struct file * file,void * fh,struct v4l2_format * f)905 static int atomisp_g_fmt_cap(struct file *file, void *fh,
906 			     struct v4l2_format *f)
907 {
908 	struct video_device *vdev = video_devdata(file);
909 	struct atomisp_video_pipe *pipe;
910 
911 	pipe = atomisp_to_video_pipe(vdev);
912 
913 	f->fmt.pix = pipe->pix;
914 
915 	/* If s_fmt was issued, just return whatever is was previouly set */
916 	if (f->fmt.pix.sizeimage)
917 		return 0;
918 
919 	f->fmt.pix.pixelformat = V4L2_PIX_FMT_YUV420;
920 	f->fmt.pix.width = 10000;
921 	f->fmt.pix.height = 10000;
922 
923 	return atomisp_try_fmt_cap(file, fh, f);
924 }
925 
atomisp_alloc_css_stat_bufs(struct atomisp_sub_device * asd,uint16_t stream_id)926 int atomisp_alloc_css_stat_bufs(struct atomisp_sub_device *asd,
927 				uint16_t stream_id)
928 {
929 	struct atomisp_device *isp = asd->isp;
930 	struct atomisp_s3a_buf *s3a_buf = NULL, *_s3a_buf;
931 	struct atomisp_dis_buf *dis_buf = NULL, *_dis_buf;
932 	struct atomisp_metadata_buf *md_buf = NULL, *_md_buf;
933 	int count;
934 	struct ia_css_dvs_grid_info *dvs_grid_info =
935 	    atomisp_css_get_dvs_grid_info(&asd->params.curr_grid_info);
936 	unsigned int i;
937 
938 	if (list_empty(&asd->s3a_stats) &&
939 	    asd->params.curr_grid_info.s3a_grid.enable) {
940 		count = ATOMISP_CSS_Q_DEPTH +
941 			ATOMISP_S3A_BUF_QUEUE_DEPTH_FOR_HAL;
942 		dev_dbg(isp->dev, "allocating %d 3a buffers\n", count);
943 		while (count--) {
944 			s3a_buf = kzalloc(sizeof(struct atomisp_s3a_buf), GFP_KERNEL);
945 			if (!s3a_buf)
946 				goto error;
947 
948 			if (atomisp_css_allocate_stat_buffers(
949 				asd, stream_id, s3a_buf, NULL, NULL)) {
950 				kfree(s3a_buf);
951 				goto error;
952 			}
953 
954 			list_add_tail(&s3a_buf->list, &asd->s3a_stats);
955 		}
956 	}
957 
958 	if (list_empty(&asd->dis_stats) && dvs_grid_info &&
959 	    dvs_grid_info->enable) {
960 		count = ATOMISP_CSS_Q_DEPTH + 1;
961 		dev_dbg(isp->dev, "allocating %d dis buffers\n", count);
962 		while (count--) {
963 			dis_buf = kzalloc(sizeof(struct atomisp_dis_buf), GFP_KERNEL);
964 			if (!dis_buf)
965 				goto error;
966 			if (atomisp_css_allocate_stat_buffers(
967 				asd, stream_id, NULL, dis_buf, NULL)) {
968 				kfree(dis_buf);
969 				goto error;
970 			}
971 
972 			list_add_tail(&dis_buf->list, &asd->dis_stats);
973 		}
974 	}
975 
976 	for (i = 0; i < ATOMISP_METADATA_TYPE_NUM; i++) {
977 		if (list_empty(&asd->metadata[i]) &&
978 		    list_empty(&asd->metadata_ready[i]) &&
979 		    list_empty(&asd->metadata_in_css[i])) {
980 			count = ATOMISP_CSS_Q_DEPTH +
981 				ATOMISP_METADATA_QUEUE_DEPTH_FOR_HAL;
982 			dev_dbg(isp->dev, "allocating %d metadata buffers for type %d\n",
983 				count, i);
984 			while (count--) {
985 				md_buf = kzalloc(sizeof(struct atomisp_metadata_buf),
986 						 GFP_KERNEL);
987 				if (!md_buf)
988 					goto error;
989 
990 				if (atomisp_css_allocate_stat_buffers(
991 					asd, stream_id, NULL, NULL, md_buf)) {
992 					kfree(md_buf);
993 					goto error;
994 				}
995 				list_add_tail(&md_buf->list, &asd->metadata[i]);
996 			}
997 		}
998 	}
999 	return 0;
1000 
1001 error:
1002 	dev_err(isp->dev, "failed to allocate statistics buffers\n");
1003 
1004 	list_for_each_entry_safe(dis_buf, _dis_buf, &asd->dis_stats, list) {
1005 		atomisp_css_free_dis_buffer(dis_buf);
1006 		list_del(&dis_buf->list);
1007 		kfree(dis_buf);
1008 	}
1009 
1010 	list_for_each_entry_safe(s3a_buf, _s3a_buf, &asd->s3a_stats, list) {
1011 		atomisp_css_free_3a_buffer(s3a_buf);
1012 		list_del(&s3a_buf->list);
1013 		kfree(s3a_buf);
1014 	}
1015 
1016 	for (i = 0; i < ATOMISP_METADATA_TYPE_NUM; i++) {
1017 		list_for_each_entry_safe(md_buf, _md_buf, &asd->metadata[i],
1018 					 list) {
1019 			atomisp_css_free_metadata_buffer(md_buf);
1020 			list_del(&md_buf->list);
1021 			kfree(md_buf);
1022 		}
1023 	}
1024 	return -ENOMEM;
1025 }
1026 
1027 /*
1028  * FIXME the abuse of buf->reserved2 in the qbuf and dqbuf wrappers comes from
1029  * the original atomisp buffer handling and should be replaced with proper V4L2
1030  * per frame parameters use.
1031  *
1032  * Once this is fixed these wrappers can be removed, replacing them with direct
1033  * calls to vb2_ioctl_[d]qbuf().
1034  */
atomisp_qbuf_wrapper(struct file * file,void * fh,struct v4l2_buffer * buf)1035 static int atomisp_qbuf_wrapper(struct file *file, void *fh, struct v4l2_buffer *buf)
1036 {
1037 	struct video_device *vdev = video_devdata(file);
1038 	struct atomisp_device *isp = video_get_drvdata(vdev);
1039 	struct atomisp_video_pipe *pipe = atomisp_to_video_pipe(vdev);
1040 
1041 	if (buf->index >= vb2_get_num_buffers(vdev->queue))
1042 		return -EINVAL;
1043 
1044 	if (buf->reserved2 & ATOMISP_BUFFER_HAS_PER_FRAME_SETTING) {
1045 		/* this buffer will have a per-frame parameter */
1046 		pipe->frame_request_config_id[buf->index] = buf->reserved2 &
1047 			~ATOMISP_BUFFER_HAS_PER_FRAME_SETTING;
1048 		dev_dbg(isp->dev,
1049 			"This buffer requires per_frame setting which has isp_config_id %d\n",
1050 			pipe->frame_request_config_id[buf->index]);
1051 	} else {
1052 		pipe->frame_request_config_id[buf->index] = 0;
1053 	}
1054 
1055 	return vb2_ioctl_qbuf(file, fh, buf);
1056 }
1057 
atomisp_dqbuf_wrapper(struct file * file,void * fh,struct v4l2_buffer * buf)1058 static int atomisp_dqbuf_wrapper(struct file *file, void *fh, struct v4l2_buffer *buf)
1059 {
1060 	struct video_device *vdev = video_devdata(file);
1061 	struct atomisp_video_pipe *pipe = atomisp_to_video_pipe(vdev);
1062 	struct atomisp_sub_device *asd = pipe->asd;
1063 	struct atomisp_device *isp = video_get_drvdata(vdev);
1064 	struct ia_css_frame *frame;
1065 	struct vb2_buffer *vb;
1066 	int ret;
1067 
1068 	ret = vb2_ioctl_dqbuf(file, fh, buf);
1069 	if (ret)
1070 		return ret;
1071 
1072 	vb = vb2_get_buffer(&pipe->vb_queue, buf->index);
1073 	frame = vb_to_frame(vb);
1074 
1075 	buf->reserved = asd->frame_status[buf->index];
1076 
1077 	/*
1078 	 * Hack:
1079 	 * Currently frame_status in the enum type which takes no more lower
1080 	 * 8 bit.
1081 	 * use bit[31:16] for exp_id as it is only in the range of 1~255
1082 	 */
1083 	buf->reserved &= 0x0000ffff;
1084 	if (!(buf->flags & V4L2_BUF_FLAG_ERROR))
1085 		buf->reserved |= frame->exp_id;
1086 	buf->reserved2 = pipe->frame_config_id[buf->index];
1087 
1088 	dev_dbg(isp->dev,
1089 		"dqbuf buffer %d (%s) with exp_id %d, isp_config_id %d\n",
1090 		buf->index, vdev->name, buf->reserved >> 16, buf->reserved2);
1091 	return 0;
1092 }
1093 
1094 /* Input system HW workaround */
1095 /* Input system address translation corrupts burst during */
1096 /* invalidate. SW workaround for this is to set burst length */
1097 /* manually to 128 in case of 13MPx snapshot and to 1 otherwise. */
atomisp_dma_burst_len_cfg(struct atomisp_sub_device * asd)1098 static void atomisp_dma_burst_len_cfg(struct atomisp_sub_device *asd)
1099 {
1100 	struct v4l2_mbus_framefmt *sink;
1101 
1102 	sink = atomisp_subdev_get_ffmt(&asd->subdev, NULL,
1103 				       V4L2_SUBDEV_FORMAT_ACTIVE,
1104 				       ATOMISP_SUBDEV_PAD_SINK);
1105 
1106 	if (sink->width * sink->height >= 4096 * 3072)
1107 		atomisp_css2_hw_store_32(DMA_BURST_SIZE_REG, 0x7F);
1108 	else
1109 		atomisp_css2_hw_store_32(DMA_BURST_SIZE_REG, 0x00);
1110 }
1111 
atomisp_start_streaming(struct vb2_queue * vq,unsigned int count)1112 int atomisp_start_streaming(struct vb2_queue *vq, unsigned int count)
1113 {
1114 	struct atomisp_video_pipe *pipe = vq_to_pipe(vq);
1115 	struct atomisp_sub_device *asd = pipe->asd;
1116 	struct atomisp_device *isp = asd->isp;
1117 	struct pci_dev *pdev = to_pci_dev(isp->dev);
1118 	unsigned long irqflags;
1119 	int ret;
1120 
1121 	dev_dbg(isp->dev, "Start stream\n");
1122 
1123 	mutex_lock(&isp->mutex);
1124 
1125 	ret = atomisp_pipe_check(pipe, false);
1126 	if (ret)
1127 		goto out_unlock;
1128 
1129 	/* Input system HW workaround */
1130 	atomisp_dma_burst_len_cfg(asd);
1131 
1132 	/* Invalidate caches. FIXME: should flush only necessary buffers */
1133 	wbinvd();
1134 
1135 	if (asd->params.css_update_params_needed) {
1136 		atomisp_apply_css_parameters(asd, &asd->params.css_param);
1137 		if (asd->params.css_param.update_flag.dz_config)
1138 			asd->params.config.dz_config = &asd->params.css_param.dz_config;
1139 		atomisp_css_update_isp_params(asd);
1140 		asd->params.css_update_params_needed = false;
1141 		memset(&asd->params.css_param.update_flag, 0,
1142 		       sizeof(struct atomisp_parameters));
1143 	}
1144 	asd->params.dvs_6axis = NULL;
1145 
1146 	ret = atomisp_css_start(asd);
1147 	if (ret) {
1148 		atomisp_flush_video_pipe(pipe, VB2_BUF_STATE_QUEUED, true);
1149 		goto out_unlock;
1150 	}
1151 
1152 	spin_lock_irqsave(&isp->lock, irqflags);
1153 	asd->streaming = true;
1154 	spin_unlock_irqrestore(&isp->lock, irqflags);
1155 	atomic_set(&asd->sof_count, -1);
1156 	atomic_set(&asd->sequence, -1);
1157 	atomic_set(&asd->sequence_temp, -1);
1158 
1159 	asd->params.dis_proj_data_valid = false;
1160 	asd->latest_preview_exp_id = 0;
1161 	asd->postview_exp_id = 1;
1162 	asd->preview_exp_id = 1;
1163 
1164 	/* handle per_frame_setting parameter and buffers */
1165 	atomisp_handle_parameter_and_buffer(pipe);
1166 
1167 	atomisp_qbuffers_to_css(asd);
1168 
1169 	if (isp->flash) {
1170 		asd->params.num_flash_frames = 0;
1171 		asd->params.flash_state = ATOMISP_FLASH_IDLE;
1172 		atomisp_setup_flash(asd);
1173 	}
1174 
1175 	atomisp_css_irq_enable(isp, IA_CSS_IRQ_INFO_CSS_RECEIVER_SOF,
1176 			       atomisp_css_valid_sof(isp));
1177 	atomisp_csi2_configure(asd);
1178 
1179 	if (atomisp_freq_scaling(isp, ATOMISP_DFS_MODE_AUTO, false) < 0)
1180 		dev_dbg(isp->dev, "DFS auto mode failed!\n");
1181 
1182 	/* Enable the CSI interface on ANN B0/K0 */
1183 	if (isp->media_dev.hw_revision >= ((ATOMISP_HW_REVISION_ISP2401 <<
1184 					    ATOMISP_HW_REVISION_SHIFT) | ATOMISP_HW_STEPPING_B0)) {
1185 		pci_write_config_word(pdev, MRFLD_PCI_CSI_CONTROL,
1186 				      isp->saved_regs.csi_control | MRFLD_PCI_CSI_CONTROL_CSI_READY);
1187 	}
1188 
1189 	/* stream on the sensor */
1190 	ret = v4l2_subdev_call(isp->inputs[asd->input_curr].camera,
1191 			       video, s_stream, 1);
1192 	if (ret) {
1193 		dev_err(isp->dev, "Starting sensor stream failed: %d\n", ret);
1194 		spin_lock_irqsave(&isp->lock, irqflags);
1195 		asd->streaming = false;
1196 		spin_unlock_irqrestore(&isp->lock, irqflags);
1197 		ret = -EINVAL;
1198 		goto out_unlock;
1199 	}
1200 
1201 out_unlock:
1202 	mutex_unlock(&isp->mutex);
1203 	return ret;
1204 }
1205 
atomisp_stop_streaming(struct vb2_queue * vq)1206 void atomisp_stop_streaming(struct vb2_queue *vq)
1207 {
1208 	struct atomisp_video_pipe *pipe = vq_to_pipe(vq);
1209 	struct atomisp_sub_device *asd = pipe->asd;
1210 	struct atomisp_device *isp = asd->isp;
1211 	struct pci_dev *pdev = to_pci_dev(isp->dev);
1212 	unsigned long flags;
1213 	int ret;
1214 
1215 	dev_dbg(isp->dev, "Stop stream\n");
1216 
1217 	mutex_lock(&isp->mutex);
1218 	/*
1219 	 * There is no guarantee that the buffers queued to / owned by the ISP
1220 	 * will properly be returned to the queue when stopping. Set a flag to
1221 	 * avoid new buffers getting queued and then wait for all the current
1222 	 * buffers to finish.
1223 	 */
1224 	pipe->stopping = true;
1225 	mutex_unlock(&isp->mutex);
1226 	/* wait max 1 second */
1227 	ret = wait_event_timeout(pipe->vb_queue.done_wq,
1228 				 atomisp_buffers_in_css(pipe) == 0, HZ);
1229 	mutex_lock(&isp->mutex);
1230 	pipe->stopping = false;
1231 	if (ret == 0)
1232 		dev_warn(isp->dev, "Warning timeout waiting for CSS to return buffers\n");
1233 
1234 	spin_lock_irqsave(&isp->lock, flags);
1235 	asd->streaming = false;
1236 	spin_unlock_irqrestore(&isp->lock, flags);
1237 
1238 	atomisp_clear_css_buffer_counters(asd);
1239 	atomisp_css_irq_enable(isp, IA_CSS_IRQ_INFO_CSS_RECEIVER_SOF, false);
1240 
1241 	atomisp_css_stop(asd, false);
1242 
1243 	atomisp_flush_video_pipe(pipe, VB2_BUF_STATE_ERROR, true);
1244 
1245 	atomisp_subdev_cleanup_pending_events(asd);
1246 
1247 	ret = v4l2_subdev_call(isp->inputs[asd->input_curr].camera,
1248 			       video, s_stream, 0);
1249 	if (ret)
1250 		dev_warn(isp->dev, "Stopping sensor stream failed: %d\n", ret);
1251 
1252 	if (isp->flash) {
1253 		asd->params.num_flash_frames = 0;
1254 		asd->params.flash_state = ATOMISP_FLASH_IDLE;
1255 	}
1256 
1257 	/* Disable the CSI interface on ANN B0/K0 */
1258 	if (isp->media_dev.hw_revision >= ((ATOMISP_HW_REVISION_ISP2401 <<
1259 					    ATOMISP_HW_REVISION_SHIFT) | ATOMISP_HW_STEPPING_B0)) {
1260 		pci_write_config_word(pdev, MRFLD_PCI_CSI_CONTROL,
1261 				      isp->saved_regs.csi_control & ~MRFLD_PCI_CSI_CONTROL_CSI_READY);
1262 	}
1263 
1264 	if (atomisp_freq_scaling(isp, ATOMISP_DFS_MODE_LOW, false))
1265 		dev_warn(isp->dev, "DFS failed.\n");
1266 
1267 	/*
1268 	 * ISP work around, need to reset ISP to allow next stream on to work.
1269 	 * Streams have already been destroyed by atomisp_css_stop().
1270 	 * Disable PUNIT/ISP acknowlede/handshake - SRSE=3 and then reset.
1271 	 */
1272 	pci_write_config_dword(pdev, PCI_I_CONTROL,
1273 			       isp->saved_regs.i_control | MRFLD_PCI_I_CONTROL_SRSE_RESET_MASK);
1274 	atomisp_reset(isp);
1275 
1276 	/* Streams were destroyed by atomisp_css_stop(), recreate them. */
1277 	ret = atomisp_create_pipes_stream(&isp->asd);
1278 	if (ret)
1279 		dev_warn(isp->dev, "Recreating streams failed: %d\n", ret);
1280 
1281 	mutex_unlock(&isp->mutex);
1282 }
1283 
1284 /*
1285  * To get the current value of a control.
1286  * applications initialize the id field of a struct v4l2_control and
1287  * call this ioctl with a pointer to this structure
1288  */
atomisp_g_ctrl(struct file * file,void * fh,struct v4l2_control * control)1289 static int atomisp_g_ctrl(struct file *file, void *fh,
1290 			  struct v4l2_control *control)
1291 {
1292 	struct video_device *vdev = video_devdata(file);
1293 	struct atomisp_sub_device *asd = atomisp_to_video_pipe(vdev)->asd;
1294 	struct atomisp_device *isp = video_get_drvdata(vdev);
1295 	int i, ret = -EINVAL;
1296 
1297 	for (i = 0; i < ctrls_num; i++) {
1298 		if (ci_v4l2_controls[i].id == control->id) {
1299 			ret = 0;
1300 			break;
1301 		}
1302 	}
1303 
1304 	if (ret)
1305 		return ret;
1306 
1307 	switch (control->id) {
1308 	case V4L2_CID_IRIS_ABSOLUTE:
1309 	case V4L2_CID_EXPOSURE_ABSOLUTE:
1310 	case V4L2_CID_2A_STATUS:
1311 	case V4L2_CID_AUTO_N_PRESET_WHITE_BALANCE:
1312 	case V4L2_CID_EXPOSURE:
1313 	case V4L2_CID_EXPOSURE_AUTO:
1314 	case V4L2_CID_SCENE_MODE:
1315 	case V4L2_CID_ISO_SENSITIVITY:
1316 	case V4L2_CID_ISO_SENSITIVITY_AUTO:
1317 	case V4L2_CID_CONTRAST:
1318 	case V4L2_CID_SATURATION:
1319 	case V4L2_CID_SHARPNESS:
1320 	case V4L2_CID_3A_LOCK:
1321 	case V4L2_CID_EXPOSURE_ZONE_NUM:
1322 	case V4L2_CID_TEST_PATTERN:
1323 	case V4L2_CID_TEST_PATTERN_COLOR_R:
1324 	case V4L2_CID_TEST_PATTERN_COLOR_GR:
1325 	case V4L2_CID_TEST_PATTERN_COLOR_GB:
1326 	case V4L2_CID_TEST_PATTERN_COLOR_B:
1327 		return v4l2_g_ctrl(isp->inputs[asd->input_curr].camera->
1328 				   ctrl_handler, control);
1329 	case V4L2_CID_COLORFX:
1330 		ret = atomisp_color_effect(asd, 0, &control->value);
1331 		break;
1332 	case V4L2_CID_ATOMISP_BAD_PIXEL_DETECTION:
1333 		ret = atomisp_bad_pixel(asd, 0, &control->value);
1334 		break;
1335 	case V4L2_CID_ATOMISP_POSTPROCESS_GDC_CAC:
1336 		ret = atomisp_gdc_cac(asd, 0, &control->value);
1337 		break;
1338 	case V4L2_CID_ATOMISP_VIDEO_STABLIZATION:
1339 		ret = atomisp_video_stable(asd, 0, &control->value);
1340 		break;
1341 	case V4L2_CID_ATOMISP_FIXED_PATTERN_NR:
1342 		ret = atomisp_fixed_pattern(asd, 0, &control->value);
1343 		break;
1344 	case V4L2_CID_ATOMISP_FALSE_COLOR_CORRECTION:
1345 		ret = atomisp_false_color(asd, 0, &control->value);
1346 		break;
1347 	case V4L2_CID_ATOMISP_LOW_LIGHT:
1348 		ret = atomisp_low_light(asd, 0, &control->value);
1349 		break;
1350 	default:
1351 		ret = -EINVAL;
1352 		break;
1353 	}
1354 
1355 	return ret;
1356 }
1357 
1358 /*
1359  * To change the value of a control.
1360  * applications initialize the id and value fields of a struct v4l2_control
1361  * and call this ioctl.
1362  */
atomisp_s_ctrl(struct file * file,void * fh,struct v4l2_control * control)1363 static int atomisp_s_ctrl(struct file *file, void *fh,
1364 			  struct v4l2_control *control)
1365 {
1366 	struct video_device *vdev = video_devdata(file);
1367 	struct atomisp_sub_device *asd = atomisp_to_video_pipe(vdev)->asd;
1368 	struct atomisp_device *isp = video_get_drvdata(vdev);
1369 	int i, ret = -EINVAL;
1370 
1371 	for (i = 0; i < ctrls_num; i++) {
1372 		if (ci_v4l2_controls[i].id == control->id) {
1373 			ret = 0;
1374 			break;
1375 		}
1376 	}
1377 
1378 	if (ret)
1379 		return ret;
1380 
1381 	switch (control->id) {
1382 	case V4L2_CID_AUTO_N_PRESET_WHITE_BALANCE:
1383 	case V4L2_CID_EXPOSURE:
1384 	case V4L2_CID_EXPOSURE_AUTO:
1385 	case V4L2_CID_EXPOSURE_AUTO_PRIORITY:
1386 	case V4L2_CID_SCENE_MODE:
1387 	case V4L2_CID_ISO_SENSITIVITY:
1388 	case V4L2_CID_ISO_SENSITIVITY_AUTO:
1389 	case V4L2_CID_POWER_LINE_FREQUENCY:
1390 	case V4L2_CID_EXPOSURE_METERING:
1391 	case V4L2_CID_CONTRAST:
1392 	case V4L2_CID_SATURATION:
1393 	case V4L2_CID_SHARPNESS:
1394 	case V4L2_CID_3A_LOCK:
1395 	case V4L2_CID_COLORFX_CBCR:
1396 	case V4L2_CID_TEST_PATTERN:
1397 	case V4L2_CID_TEST_PATTERN_COLOR_R:
1398 	case V4L2_CID_TEST_PATTERN_COLOR_GR:
1399 	case V4L2_CID_TEST_PATTERN_COLOR_GB:
1400 	case V4L2_CID_TEST_PATTERN_COLOR_B:
1401 		return v4l2_s_ctrl(NULL,
1402 				   isp->inputs[asd->input_curr].camera->
1403 				   ctrl_handler, control);
1404 	case V4L2_CID_COLORFX:
1405 		ret = atomisp_color_effect(asd, 1, &control->value);
1406 		break;
1407 	case V4L2_CID_ATOMISP_BAD_PIXEL_DETECTION:
1408 		ret = atomisp_bad_pixel(asd, 1, &control->value);
1409 		break;
1410 	case V4L2_CID_ATOMISP_POSTPROCESS_GDC_CAC:
1411 		ret = atomisp_gdc_cac(asd, 1, &control->value);
1412 		break;
1413 	case V4L2_CID_ATOMISP_VIDEO_STABLIZATION:
1414 		ret = atomisp_video_stable(asd, 1, &control->value);
1415 		break;
1416 	case V4L2_CID_ATOMISP_FIXED_PATTERN_NR:
1417 		ret = atomisp_fixed_pattern(asd, 1, &control->value);
1418 		break;
1419 	case V4L2_CID_ATOMISP_FALSE_COLOR_CORRECTION:
1420 		ret = atomisp_false_color(asd, 1, &control->value);
1421 		break;
1422 	case V4L2_CID_REQUEST_FLASH:
1423 		ret = atomisp_flash_enable(asd, control->value);
1424 		break;
1425 	case V4L2_CID_ATOMISP_LOW_LIGHT:
1426 		ret = atomisp_low_light(asd, 1, &control->value);
1427 		break;
1428 	default:
1429 		ret = -EINVAL;
1430 		break;
1431 	}
1432 	return ret;
1433 }
1434 
1435 /*
1436  * To query the attributes of a control.
1437  * applications set the id field of a struct v4l2_queryctrl and call the
1438  * this ioctl with a pointer to this structure. The driver fills
1439  * the rest of the structure.
1440  */
atomisp_queryctl(struct file * file,void * fh,struct v4l2_queryctrl * qc)1441 static int atomisp_queryctl(struct file *file, void *fh,
1442 			    struct v4l2_queryctrl *qc)
1443 {
1444 	int i, ret = -EINVAL;
1445 	struct video_device *vdev = video_devdata(file);
1446 	struct atomisp_sub_device *asd = atomisp_to_video_pipe(vdev)->asd;
1447 	struct atomisp_device *isp = video_get_drvdata(vdev);
1448 
1449 	switch (qc->id) {
1450 	case V4L2_CID_FOCUS_ABSOLUTE:
1451 	case V4L2_CID_FOCUS_RELATIVE:
1452 	case V4L2_CID_FOCUS_STATUS:
1453 		if (!IS_ISP2401) {
1454 			return v4l2_queryctrl(isp->inputs[asd->input_curr].camera->
1455 					    ctrl_handler, qc);
1456 		}
1457 		/* ISP2401 */
1458 		if (isp->motor)
1459 			return v4l2_queryctrl(isp->motor->ctrl_handler, qc);
1460 		else
1461 			return v4l2_queryctrl(isp->inputs[asd->input_curr].
1462 					      camera->ctrl_handler, qc);
1463 	}
1464 
1465 	if (qc->id & V4L2_CTRL_FLAG_NEXT_CTRL)
1466 		return ret;
1467 
1468 	for (i = 0; i < ctrls_num; i++) {
1469 		if (ci_v4l2_controls[i].id == qc->id) {
1470 			memcpy(qc, &ci_v4l2_controls[i],
1471 			       sizeof(struct v4l2_queryctrl));
1472 			qc->reserved[0] = 0;
1473 			ret = 0;
1474 			break;
1475 		}
1476 	}
1477 	if (ret != 0)
1478 		qc->flags = V4L2_CTRL_FLAG_DISABLED;
1479 
1480 	return ret;
1481 }
1482 
atomisp_camera_g_ext_ctrls(struct file * file,void * fh,struct v4l2_ext_controls * c)1483 static int atomisp_camera_g_ext_ctrls(struct file *file, void *fh,
1484 				      struct v4l2_ext_controls *c)
1485 {
1486 	struct video_device *vdev = video_devdata(file);
1487 	struct atomisp_sub_device *asd = atomisp_to_video_pipe(vdev)->asd;
1488 	struct atomisp_device *isp = video_get_drvdata(vdev);
1489 	struct v4l2_subdev *motor;
1490 	struct v4l2_control ctrl;
1491 	int i;
1492 	int ret = 0;
1493 
1494 	if (!IS_ISP2401)
1495 		motor = isp->inputs[asd->input_curr].motor;
1496 	else
1497 		motor = isp->motor;
1498 
1499 	for (i = 0; i < c->count; i++) {
1500 		ctrl.id = c->controls[i].id;
1501 		ctrl.value = c->controls[i].value;
1502 		switch (ctrl.id) {
1503 		case V4L2_CID_EXPOSURE_ABSOLUTE:
1504 		case V4L2_CID_EXPOSURE_AUTO:
1505 		case V4L2_CID_IRIS_ABSOLUTE:
1506 		case V4L2_CID_3A_LOCK:
1507 		case V4L2_CID_TEST_PATTERN:
1508 		case V4L2_CID_TEST_PATTERN_COLOR_R:
1509 		case V4L2_CID_TEST_PATTERN_COLOR_GR:
1510 		case V4L2_CID_TEST_PATTERN_COLOR_GB:
1511 		case V4L2_CID_TEST_PATTERN_COLOR_B:
1512 			/*
1513 			 * Exposure related control will be handled by sensor
1514 			 * driver
1515 			 */
1516 			ret =
1517 			    v4l2_g_ctrl(isp->inputs[asd->input_curr].camera->
1518 					ctrl_handler, &ctrl);
1519 			break;
1520 		case V4L2_CID_FOCUS_ABSOLUTE:
1521 		case V4L2_CID_FOCUS_RELATIVE:
1522 		case V4L2_CID_FOCUS_STATUS:
1523 		case V4L2_CID_FOCUS_AUTO:
1524 			if (motor)
1525 				ret = v4l2_g_ctrl(motor->ctrl_handler, &ctrl);
1526 			break;
1527 		case V4L2_CID_FLASH_STATUS:
1528 		case V4L2_CID_FLASH_INTENSITY:
1529 		case V4L2_CID_FLASH_TORCH_INTENSITY:
1530 		case V4L2_CID_FLASH_INDICATOR_INTENSITY:
1531 		case V4L2_CID_FLASH_TIMEOUT:
1532 		case V4L2_CID_FLASH_STROBE:
1533 		case V4L2_CID_FLASH_MODE:
1534 		case V4L2_CID_FLASH_STATUS_REGISTER:
1535 			if (isp->flash)
1536 				ret =
1537 				    v4l2_g_ctrl(isp->flash->ctrl_handler,
1538 						&ctrl);
1539 			break;
1540 		case V4L2_CID_ZOOM_ABSOLUTE:
1541 			ret = atomisp_digital_zoom(asd, 0, &ctrl.value);
1542 			break;
1543 		case V4L2_CID_G_SKIP_FRAMES:
1544 			ret = v4l2_subdev_call(
1545 				  isp->inputs[asd->input_curr].camera,
1546 				  sensor, g_skip_frames, (u32 *)&ctrl.value);
1547 			break;
1548 		default:
1549 			ret = -EINVAL;
1550 		}
1551 
1552 		if (ret) {
1553 			c->error_idx = i;
1554 			break;
1555 		}
1556 		c->controls[i].value = ctrl.value;
1557 	}
1558 	return ret;
1559 }
1560 
1561 /* This ioctl allows the application to get multiple controls by class */
atomisp_g_ext_ctrls(struct file * file,void * fh,struct v4l2_ext_controls * c)1562 static int atomisp_g_ext_ctrls(struct file *file, void *fh,
1563 			       struct v4l2_ext_controls *c)
1564 {
1565 	struct v4l2_control ctrl;
1566 	int i, ret = 0;
1567 
1568 	/*
1569 	 * input_lock is not need for the Camera related IOCTLs
1570 	 * The input_lock downgrade the FPS of 3A
1571 	 */
1572 	ret = atomisp_camera_g_ext_ctrls(file, fh, c);
1573 	if (ret != -EINVAL)
1574 		return ret;
1575 
1576 	for (i = 0; i < c->count; i++) {
1577 		ctrl.id = c->controls[i].id;
1578 		ctrl.value = c->controls[i].value;
1579 		ret = atomisp_g_ctrl(file, fh, &ctrl);
1580 		c->controls[i].value = ctrl.value;
1581 		if (ret) {
1582 			c->error_idx = i;
1583 			break;
1584 		}
1585 	}
1586 	return ret;
1587 }
1588 
atomisp_camera_s_ext_ctrls(struct file * file,void * fh,struct v4l2_ext_controls * c)1589 static int atomisp_camera_s_ext_ctrls(struct file *file, void *fh,
1590 				      struct v4l2_ext_controls *c)
1591 {
1592 	struct video_device *vdev = video_devdata(file);
1593 	struct atomisp_sub_device *asd = atomisp_to_video_pipe(vdev)->asd;
1594 	struct atomisp_device *isp = video_get_drvdata(vdev);
1595 	struct v4l2_subdev *motor;
1596 	struct v4l2_control ctrl;
1597 	int i;
1598 	int ret = 0;
1599 
1600 	if (!IS_ISP2401)
1601 		motor = isp->inputs[asd->input_curr].motor;
1602 	else
1603 		motor = isp->motor;
1604 
1605 	for (i = 0; i < c->count; i++) {
1606 		struct v4l2_ctrl *ctr;
1607 
1608 		ctrl.id = c->controls[i].id;
1609 		ctrl.value = c->controls[i].value;
1610 		switch (ctrl.id) {
1611 		case V4L2_CID_EXPOSURE_ABSOLUTE:
1612 		case V4L2_CID_EXPOSURE_AUTO:
1613 		case V4L2_CID_EXPOSURE_METERING:
1614 		case V4L2_CID_IRIS_ABSOLUTE:
1615 		case V4L2_CID_VCM_TIMING:
1616 		case V4L2_CID_VCM_SLEW:
1617 		case V4L2_CID_3A_LOCK:
1618 		case V4L2_CID_TEST_PATTERN:
1619 		case V4L2_CID_TEST_PATTERN_COLOR_R:
1620 		case V4L2_CID_TEST_PATTERN_COLOR_GR:
1621 		case V4L2_CID_TEST_PATTERN_COLOR_GB:
1622 		case V4L2_CID_TEST_PATTERN_COLOR_B:
1623 			ret = v4l2_s_ctrl(NULL,
1624 					  isp->inputs[asd->input_curr].camera->
1625 					  ctrl_handler, &ctrl);
1626 			break;
1627 		case V4L2_CID_FOCUS_ABSOLUTE:
1628 		case V4L2_CID_FOCUS_RELATIVE:
1629 		case V4L2_CID_FOCUS_STATUS:
1630 		case V4L2_CID_FOCUS_AUTO:
1631 			if (motor)
1632 				ret = v4l2_s_ctrl(NULL, motor->ctrl_handler,
1633 						  &ctrl);
1634 			else
1635 				ret = v4l2_s_ctrl(NULL,
1636 						  isp->inputs[asd->input_curr].
1637 						  camera->ctrl_handler, &ctrl);
1638 			break;
1639 		case V4L2_CID_FLASH_STATUS:
1640 		case V4L2_CID_FLASH_INTENSITY:
1641 		case V4L2_CID_FLASH_TORCH_INTENSITY:
1642 		case V4L2_CID_FLASH_INDICATOR_INTENSITY:
1643 		case V4L2_CID_FLASH_TIMEOUT:
1644 		case V4L2_CID_FLASH_STROBE:
1645 		case V4L2_CID_FLASH_MODE:
1646 		case V4L2_CID_FLASH_STATUS_REGISTER:
1647 			if (isp->flash) {
1648 				ret =
1649 				    v4l2_s_ctrl(NULL, isp->flash->ctrl_handler,
1650 						&ctrl);
1651 				/*
1652 				 * When flash mode is changed we need to reset
1653 				 * flash state
1654 				 */
1655 				if (ctrl.id == V4L2_CID_FLASH_MODE) {
1656 					asd->params.flash_state =
1657 					    ATOMISP_FLASH_IDLE;
1658 					asd->params.num_flash_frames = 0;
1659 				}
1660 			}
1661 			break;
1662 		case V4L2_CID_ZOOM_ABSOLUTE:
1663 			ret = atomisp_digital_zoom(asd, 1, &ctrl.value);
1664 			break;
1665 		default:
1666 			ctr = v4l2_ctrl_find(&asd->ctrl_handler, ctrl.id);
1667 			if (ctr)
1668 				ret = v4l2_ctrl_s_ctrl(ctr, ctrl.value);
1669 			else
1670 				ret = -EINVAL;
1671 		}
1672 
1673 		if (ret) {
1674 			c->error_idx = i;
1675 			break;
1676 		}
1677 		c->controls[i].value = ctrl.value;
1678 	}
1679 	return ret;
1680 }
1681 
1682 /* This ioctl allows the application to set multiple controls by class */
atomisp_s_ext_ctrls(struct file * file,void * fh,struct v4l2_ext_controls * c)1683 static int atomisp_s_ext_ctrls(struct file *file, void *fh,
1684 			       struct v4l2_ext_controls *c)
1685 {
1686 	struct v4l2_control ctrl;
1687 	int i, ret = 0;
1688 
1689 	/*
1690 	 * input_lock is not need for the Camera related IOCTLs
1691 	 * The input_lock downgrade the FPS of 3A
1692 	 */
1693 	ret = atomisp_camera_s_ext_ctrls(file, fh, c);
1694 	if (ret != -EINVAL)
1695 		return ret;
1696 
1697 	for (i = 0; i < c->count; i++) {
1698 		ctrl.id = c->controls[i].id;
1699 		ctrl.value = c->controls[i].value;
1700 		ret = atomisp_s_ctrl(file, fh, &ctrl);
1701 		c->controls[i].value = ctrl.value;
1702 		if (ret) {
1703 			c->error_idx = i;
1704 			break;
1705 		}
1706 	}
1707 	return ret;
1708 }
1709 
1710 /*
1711  * vidioc_g/s_param are used to switch isp running mode
1712  */
atomisp_g_parm(struct file * file,void * fh,struct v4l2_streamparm * parm)1713 static int atomisp_g_parm(struct file *file, void *fh,
1714 			  struct v4l2_streamparm *parm)
1715 {
1716 	struct video_device *vdev = video_devdata(file);
1717 	struct atomisp_sub_device *asd = atomisp_to_video_pipe(vdev)->asd;
1718 	struct atomisp_device *isp = video_get_drvdata(vdev);
1719 
1720 	if (parm->type != V4L2_BUF_TYPE_VIDEO_CAPTURE) {
1721 		dev_err(isp->dev, "unsupported v4l2 buf type\n");
1722 		return -EINVAL;
1723 	}
1724 
1725 	parm->parm.capture.capturemode = asd->run_mode->val;
1726 
1727 	return 0;
1728 }
1729 
atomisp_s_parm(struct file * file,void * fh,struct v4l2_streamparm * parm)1730 static int atomisp_s_parm(struct file *file, void *fh,
1731 			  struct v4l2_streamparm *parm)
1732 {
1733 	struct video_device *vdev = video_devdata(file);
1734 	struct atomisp_device *isp = video_get_drvdata(vdev);
1735 	struct atomisp_sub_device *asd = atomisp_to_video_pipe(vdev)->asd;
1736 	int mode;
1737 	int rval;
1738 	int fps;
1739 
1740 	if (parm->type != V4L2_BUF_TYPE_VIDEO_CAPTURE) {
1741 		dev_err(isp->dev, "unsupported v4l2 buf type\n");
1742 		return -EINVAL;
1743 	}
1744 
1745 	asd->high_speed_mode = false;
1746 	switch (parm->parm.capture.capturemode) {
1747 	case CI_MODE_NONE: {
1748 		struct v4l2_subdev_frame_interval fi = {0};
1749 
1750 		fi.interval = parm->parm.capture.timeperframe;
1751 
1752 		rval = v4l2_subdev_call_state_active(isp->inputs[asd->input_curr].camera,
1753 						     pad, set_frame_interval, &fi);
1754 		if (!rval)
1755 			parm->parm.capture.timeperframe = fi.interval;
1756 
1757 		if (fi.interval.numerator != 0) {
1758 			fps = fi.interval.denominator / fi.interval.numerator;
1759 			if (fps > 30)
1760 				asd->high_speed_mode = true;
1761 		}
1762 
1763 		return rval == -ENOIOCTLCMD ? 0 : rval;
1764 	}
1765 	case CI_MODE_VIDEO:
1766 		mode = ATOMISP_RUN_MODE_VIDEO;
1767 		break;
1768 	case CI_MODE_STILL_CAPTURE:
1769 		mode = ATOMISP_RUN_MODE_STILL_CAPTURE;
1770 		break;
1771 	case CI_MODE_PREVIEW:
1772 		mode = ATOMISP_RUN_MODE_PREVIEW;
1773 		break;
1774 	default:
1775 		return -EINVAL;
1776 	}
1777 
1778 	rval = v4l2_ctrl_s_ctrl(asd->run_mode, mode);
1779 
1780 	return rval == -ENOIOCTLCMD ? 0 : rval;
1781 }
1782 
atomisp_vidioc_default(struct file * file,void * fh,bool valid_prio,unsigned int cmd,void * arg)1783 static long atomisp_vidioc_default(struct file *file, void *fh,
1784 				   bool valid_prio, unsigned int cmd, void *arg)
1785 {
1786 	struct video_device *vdev = video_devdata(file);
1787 	struct atomisp_device *isp = video_get_drvdata(vdev);
1788 	struct atomisp_sub_device *asd = atomisp_to_video_pipe(vdev)->asd;
1789 	int err;
1790 
1791 	switch (cmd) {
1792 	case ATOMISP_IOC_G_XNR:
1793 		err = atomisp_xnr(asd, 0, arg);
1794 		break;
1795 
1796 	case ATOMISP_IOC_S_XNR:
1797 		err = atomisp_xnr(asd, 1, arg);
1798 		break;
1799 
1800 	case ATOMISP_IOC_G_NR:
1801 		err = atomisp_nr(asd, 0, arg);
1802 		break;
1803 
1804 	case ATOMISP_IOC_S_NR:
1805 		err = atomisp_nr(asd, 1, arg);
1806 		break;
1807 
1808 	case ATOMISP_IOC_G_TNR:
1809 		err = atomisp_tnr(asd, 0, arg);
1810 		break;
1811 
1812 	case ATOMISP_IOC_S_TNR:
1813 		err = atomisp_tnr(asd, 1, arg);
1814 		break;
1815 
1816 	case ATOMISP_IOC_G_BLACK_LEVEL_COMP:
1817 		err = atomisp_black_level(asd, 0, arg);
1818 		break;
1819 
1820 	case ATOMISP_IOC_S_BLACK_LEVEL_COMP:
1821 		err = atomisp_black_level(asd, 1, arg);
1822 		break;
1823 
1824 	case ATOMISP_IOC_G_EE:
1825 		err = atomisp_ee(asd, 0, arg);
1826 		break;
1827 
1828 	case ATOMISP_IOC_S_EE:
1829 		err = atomisp_ee(asd, 1, arg);
1830 		break;
1831 
1832 	case ATOMISP_IOC_G_DIS_STAT:
1833 		err = atomisp_get_dis_stat(asd, arg);
1834 		break;
1835 
1836 	case ATOMISP_IOC_G_DVS2_BQ_RESOLUTIONS:
1837 		err = atomisp_get_dvs2_bq_resolutions(asd, arg);
1838 		break;
1839 
1840 	case ATOMISP_IOC_S_DIS_COEFS:
1841 		err = atomisp_css_cp_dvs2_coefs(asd, arg,
1842 						&asd->params.css_param, true);
1843 		if (!err && arg)
1844 			asd->params.css_update_params_needed = true;
1845 		break;
1846 
1847 	case ATOMISP_IOC_S_DIS_VECTOR:
1848 		err = atomisp_cp_dvs_6axis_config(asd, arg,
1849 						  &asd->params.css_param, true);
1850 		if (!err && arg)
1851 			asd->params.css_update_params_needed = true;
1852 		break;
1853 
1854 	case ATOMISP_IOC_G_ISP_PARM:
1855 		err = atomisp_param(asd, 0, arg);
1856 		break;
1857 
1858 	case ATOMISP_IOC_S_ISP_PARM:
1859 		err = atomisp_param(asd, 1, arg);
1860 		break;
1861 
1862 	case ATOMISP_IOC_G_3A_STAT:
1863 		err = atomisp_3a_stat(asd, 0, arg);
1864 		break;
1865 
1866 	case ATOMISP_IOC_G_ISP_GAMMA:
1867 		err = atomisp_gamma(asd, 0, arg);
1868 		break;
1869 
1870 	case ATOMISP_IOC_S_ISP_GAMMA:
1871 		err = atomisp_gamma(asd, 1, arg);
1872 		break;
1873 
1874 	case ATOMISP_IOC_G_ISP_GDC_TAB:
1875 		err = atomisp_gdc_cac_table(asd, 0, arg);
1876 		break;
1877 
1878 	case ATOMISP_IOC_S_ISP_GDC_TAB:
1879 		err = atomisp_gdc_cac_table(asd, 1, arg);
1880 		break;
1881 
1882 	case ATOMISP_IOC_G_ISP_MACC:
1883 		err = atomisp_macc_table(asd, 0, arg);
1884 		break;
1885 
1886 	case ATOMISP_IOC_S_ISP_MACC:
1887 		err = atomisp_macc_table(asd, 1, arg);
1888 		break;
1889 
1890 	case ATOMISP_IOC_G_ISP_BAD_PIXEL_DETECTION:
1891 		err = atomisp_bad_pixel_param(asd, 0, arg);
1892 		break;
1893 
1894 	case ATOMISP_IOC_S_ISP_BAD_PIXEL_DETECTION:
1895 		err = atomisp_bad_pixel_param(asd, 1, arg);
1896 		break;
1897 
1898 	case ATOMISP_IOC_G_ISP_FALSE_COLOR_CORRECTION:
1899 		err = atomisp_false_color_param(asd, 0, arg);
1900 		break;
1901 
1902 	case ATOMISP_IOC_S_ISP_FALSE_COLOR_CORRECTION:
1903 		err = atomisp_false_color_param(asd, 1, arg);
1904 		break;
1905 
1906 	case ATOMISP_IOC_G_ISP_CTC:
1907 		err = atomisp_ctc(asd, 0, arg);
1908 		break;
1909 
1910 	case ATOMISP_IOC_S_ISP_CTC:
1911 		err = atomisp_ctc(asd, 1, arg);
1912 		break;
1913 
1914 	case ATOMISP_IOC_G_ISP_WHITE_BALANCE:
1915 		err = atomisp_white_balance_param(asd, 0, arg);
1916 		break;
1917 
1918 	case ATOMISP_IOC_S_ISP_WHITE_BALANCE:
1919 		err = atomisp_white_balance_param(asd, 1, arg);
1920 		break;
1921 
1922 	case ATOMISP_IOC_G_3A_CONFIG:
1923 		err = atomisp_3a_config_param(asd, 0, arg);
1924 		break;
1925 
1926 	case ATOMISP_IOC_S_3A_CONFIG:
1927 		err = atomisp_3a_config_param(asd, 1, arg);
1928 		break;
1929 
1930 	case ATOMISP_IOC_S_ISP_FPN_TABLE:
1931 		err = atomisp_fixed_pattern_table(asd, arg);
1932 		break;
1933 
1934 	case ATOMISP_IOC_S_EXPOSURE:
1935 		err = v4l2_subdev_call(isp->inputs[asd->input_curr].camera,
1936 				       core, ioctl, cmd, arg);
1937 		break;
1938 
1939 	case ATOMISP_IOC_S_ISP_SHD_TAB:
1940 		err = atomisp_set_shading_table(asd, arg);
1941 		break;
1942 
1943 	case ATOMISP_IOC_G_ISP_GAMMA_CORRECTION:
1944 		err = atomisp_gamma_correction(asd, 0, arg);
1945 		break;
1946 
1947 	case ATOMISP_IOC_S_ISP_GAMMA_CORRECTION:
1948 		err = atomisp_gamma_correction(asd, 1, arg);
1949 		break;
1950 
1951 	case ATOMISP_IOC_S_PARAMETERS:
1952 		err = atomisp_set_parameters(vdev, arg);
1953 		break;
1954 
1955 	case ATOMISP_IOC_EXT_ISP_CTRL:
1956 		err = v4l2_subdev_call(isp->inputs[asd->input_curr].camera,
1957 				       core, ioctl, cmd, arg);
1958 		break;
1959 	case ATOMISP_IOC_EXP_ID_UNLOCK:
1960 		err = atomisp_exp_id_unlock(asd, arg);
1961 		break;
1962 	case ATOMISP_IOC_EXP_ID_CAPTURE:
1963 		err = atomisp_exp_id_capture(asd, arg);
1964 		break;
1965 	case ATOMISP_IOC_S_ENABLE_DZ_CAPT_PIPE:
1966 		err = atomisp_enable_dz_capt_pipe(asd, arg);
1967 		break;
1968 	case ATOMISP_IOC_G_FORMATS_CONFIG:
1969 		err = atomisp_formats(asd, 0, arg);
1970 		break;
1971 
1972 	case ATOMISP_IOC_S_FORMATS_CONFIG:
1973 		err = atomisp_formats(asd, 1, arg);
1974 		break;
1975 	case ATOMISP_IOC_INJECT_A_FAKE_EVENT:
1976 		err = atomisp_inject_a_fake_event(asd, arg);
1977 		break;
1978 	case ATOMISP_IOC_S_ARRAY_RESOLUTION:
1979 		err = atomisp_set_array_res(asd, arg);
1980 		break;
1981 	default:
1982 		err = -EINVAL;
1983 		break;
1984 	}
1985 
1986 	return err;
1987 }
1988 
1989 const struct v4l2_ioctl_ops atomisp_ioctl_ops = {
1990 	.vidioc_querycap = atomisp_querycap,
1991 	.vidioc_enum_input = atomisp_enum_input,
1992 	.vidioc_g_input = atomisp_g_input,
1993 	.vidioc_s_input = atomisp_s_input,
1994 	.vidioc_queryctrl = atomisp_queryctl,
1995 	.vidioc_s_ctrl = atomisp_s_ctrl,
1996 	.vidioc_g_ctrl = atomisp_g_ctrl,
1997 	.vidioc_s_ext_ctrls = atomisp_s_ext_ctrls,
1998 	.vidioc_g_ext_ctrls = atomisp_g_ext_ctrls,
1999 	.vidioc_enum_framesizes   = atomisp_enum_framesizes,
2000 	.vidioc_enum_frameintervals = atomisp_enum_frameintervals,
2001 	.vidioc_enum_fmt_vid_cap = atomisp_enum_fmt_cap,
2002 	.vidioc_try_fmt_vid_cap = atomisp_try_fmt_cap,
2003 	.vidioc_g_fmt_vid_cap = atomisp_g_fmt_cap,
2004 	.vidioc_s_fmt_vid_cap = atomisp_s_fmt_cap,
2005 	.vidioc_reqbufs = vb2_ioctl_reqbufs,
2006 	.vidioc_querybuf = vb2_ioctl_querybuf,
2007 	.vidioc_qbuf = atomisp_qbuf_wrapper,
2008 	.vidioc_dqbuf = atomisp_dqbuf_wrapper,
2009 	.vidioc_streamon = vb2_ioctl_streamon,
2010 	.vidioc_streamoff = vb2_ioctl_streamoff,
2011 	.vidioc_default = atomisp_vidioc_default,
2012 	.vidioc_s_parm = atomisp_s_parm,
2013 	.vidioc_g_parm = atomisp_g_parm,
2014 };
2015