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
10 #include <linux/delay.h>
11 #include <linux/pci.h>
12
13 #include <media/v4l2-ioctl.h>
14 #include <media/v4l2-event.h>
15
16 #include "atomisp_cmd.h"
17 #include "atomisp_common.h"
18 #include "atomisp_fops.h"
19 #include "atomisp_internal.h"
20 #include "atomisp_ioctl.h"
21 #include "atomisp-regs.h"
22 #include "atomisp_compat.h"
23
24 #include "sh_css_hrt.h"
25
26 #include "gp_device.h"
27 #include "device_access.h"
28 #include "irq.h"
29
30 static const char *DRIVER = "atomisp"; /* max size 15 */
31 static const char *CARD = "ATOM ISP"; /* max size 31 */
32
33 /*
34 * FIXME: ISP should not know beforehand all CIDs supported by sensor.
35 * Instead, it needs to propagate to sensor unknown CIDs.
36 */
37 static struct v4l2_query_ext_ctrl ci_v4l2_controls[] = {
38 {
39 .id = V4L2_CID_AUTO_WHITE_BALANCE,
40 .type = V4L2_CTRL_TYPE_BOOLEAN,
41 .name = "Automatic White Balance",
42 .minimum = 0,
43 .maximum = 1,
44 .step = 1,
45 .default_value = 0,
46 },
47 {
48 .id = V4L2_CID_RED_BALANCE,
49 .type = V4L2_CTRL_TYPE_INTEGER,
50 .name = "Red Balance",
51 .minimum = 0x00,
52 .maximum = 0xff,
53 .step = 1,
54 .default_value = 0x00,
55 },
56 {
57 .id = V4L2_CID_BLUE_BALANCE,
58 .type = V4L2_CTRL_TYPE_INTEGER,
59 .name = "Blue Balance",
60 .minimum = 0x00,
61 .maximum = 0xff,
62 .step = 1,
63 .default_value = 0x00,
64 },
65 {
66 .id = V4L2_CID_GAMMA,
67 .type = V4L2_CTRL_TYPE_INTEGER,
68 .name = "Gamma",
69 .minimum = 0x00,
70 .maximum = 0xff,
71 .step = 1,
72 .default_value = 0x00,
73 },
74 {
75 .id = V4L2_CID_COLORFX,
76 .type = V4L2_CTRL_TYPE_INTEGER,
77 .name = "Image Color Effect",
78 .minimum = 0,
79 .maximum = 9,
80 .step = 1,
81 .default_value = 0,
82 },
83 {
84 .id = V4L2_CID_ATOMISP_BAD_PIXEL_DETECTION,
85 .type = V4L2_CTRL_TYPE_INTEGER,
86 .name = "Bad Pixel Correction",
87 .minimum = 0,
88 .maximum = 1,
89 .step = 1,
90 .default_value = 0,
91 },
92 {
93 .id = V4L2_CID_ATOMISP_POSTPROCESS_GDC_CAC,
94 .type = V4L2_CTRL_TYPE_INTEGER,
95 .name = "GDC/CAC",
96 .minimum = 0,
97 .maximum = 1,
98 .step = 1,
99 .default_value = 0,
100 },
101 {
102 .id = V4L2_CID_ATOMISP_VIDEO_STABLIZATION,
103 .type = V4L2_CTRL_TYPE_INTEGER,
104 .name = "Video Stabilization",
105 .minimum = 0,
106 .maximum = 1,
107 .step = 1,
108 .default_value = 0,
109 },
110 {
111 .id = V4L2_CID_ATOMISP_FIXED_PATTERN_NR,
112 .type = V4L2_CTRL_TYPE_INTEGER,
113 .name = "Fixed Pattern Noise Reduction",
114 .minimum = 0,
115 .maximum = 1,
116 .step = 1,
117 .default_value = 0,
118 },
119 {
120 .id = V4L2_CID_ATOMISP_FALSE_COLOR_CORRECTION,
121 .type = V4L2_CTRL_TYPE_INTEGER,
122 .name = "False Color Correction",
123 .minimum = 0,
124 .maximum = 1,
125 .step = 1,
126 .default_value = 0,
127 },
128 {
129 .id = V4L2_CID_ATOMISP_LOW_LIGHT,
130 .type = V4L2_CTRL_TYPE_BOOLEAN,
131 .name = "Low light mode",
132 .minimum = 0,
133 .maximum = 1,
134 .step = 1,
135 .default_value = 1,
136 },
137 };
138
139 static const u32 ctrls_num = ARRAY_SIZE(ci_v4l2_controls);
140
141 /*
142 * supported V4L2 fmts and resolutions
143 */
144 const struct atomisp_format_bridge atomisp_output_fmts[] = {
145 {
146 .pixelformat = V4L2_PIX_FMT_YUV420,
147 .depth = 12,
148 .mbus_code = V4L2_MBUS_FMT_CUSTOM_YUV420,
149 .sh_fmt = IA_CSS_FRAME_FORMAT_YUV420,
150 .description = "YUV420, planar",
151 .planar = true
152 }, {
153 .pixelformat = V4L2_PIX_FMT_YVU420,
154 .depth = 12,
155 .mbus_code = V4L2_MBUS_FMT_CUSTOM_YVU420,
156 .sh_fmt = IA_CSS_FRAME_FORMAT_YV12,
157 .description = "YVU420, planar",
158 .planar = true
159 }, {
160 .pixelformat = V4L2_PIX_FMT_YUV422P,
161 .depth = 16,
162 .mbus_code = V4L2_MBUS_FMT_CUSTOM_YUV422P,
163 .sh_fmt = IA_CSS_FRAME_FORMAT_YUV422,
164 .description = "YUV422, planar",
165 .planar = true
166 }, {
167 .pixelformat = V4L2_PIX_FMT_YUV444,
168 .depth = 24,
169 .mbus_code = V4L2_MBUS_FMT_CUSTOM_YUV444,
170 .sh_fmt = IA_CSS_FRAME_FORMAT_YUV444,
171 .description = "YUV444"
172 }, {
173 .pixelformat = V4L2_PIX_FMT_NV12,
174 .depth = 12,
175 .mbus_code = V4L2_MBUS_FMT_CUSTOM_NV12,
176 .sh_fmt = IA_CSS_FRAME_FORMAT_NV12,
177 .description = "NV12, Y-plane, CbCr interleaved",
178 .planar = true
179 }, {
180 .pixelformat = V4L2_PIX_FMT_NV21,
181 .depth = 12,
182 .mbus_code = V4L2_MBUS_FMT_CUSTOM_NV21,
183 .sh_fmt = IA_CSS_FRAME_FORMAT_NV21,
184 .description = "NV21, Y-plane, CbCr interleaved",
185 .planar = true
186 }, {
187 .pixelformat = V4L2_PIX_FMT_NV16,
188 .depth = 16,
189 .mbus_code = V4L2_MBUS_FMT_CUSTOM_NV16,
190 .sh_fmt = IA_CSS_FRAME_FORMAT_NV16,
191 .description = "NV16, Y-plane, CbCr interleaved",
192 .planar = true
193 }, {
194 .pixelformat = V4L2_PIX_FMT_YUYV,
195 .depth = 16,
196 .mbus_code = V4L2_MBUS_FMT_CUSTOM_YUYV,
197 .sh_fmt = IA_CSS_FRAME_FORMAT_YUYV,
198 .description = "YUYV, interleaved"
199 }, {
200 .pixelformat = V4L2_PIX_FMT_UYVY,
201 .depth = 16,
202 .mbus_code = MEDIA_BUS_FMT_UYVY8_1X16,
203 .sh_fmt = IA_CSS_FRAME_FORMAT_UYVY,
204 .description = "UYVY, interleaved"
205 }, {
206 .pixelformat = V4L2_PIX_FMT_SBGGR16,
207 .depth = 16,
208 .mbus_code = V4L2_MBUS_FMT_CUSTOM_SBGGR16,
209 .sh_fmt = IA_CSS_FRAME_FORMAT_RAW,
210 .description = "Bayer 16"
211 }, {
212 .pixelformat = V4L2_PIX_FMT_SBGGR8,
213 .depth = 8,
214 .mbus_code = MEDIA_BUS_FMT_SBGGR8_1X8,
215 .sh_fmt = IA_CSS_FRAME_FORMAT_RAW,
216 .description = "Bayer 8"
217 }, {
218 .pixelformat = V4L2_PIX_FMT_SGBRG8,
219 .depth = 8,
220 .mbus_code = MEDIA_BUS_FMT_SGBRG8_1X8,
221 .sh_fmt = IA_CSS_FRAME_FORMAT_RAW,
222 .description = "Bayer 8"
223 }, {
224 .pixelformat = V4L2_PIX_FMT_SGRBG8,
225 .depth = 8,
226 .mbus_code = MEDIA_BUS_FMT_SGRBG8_1X8,
227 .sh_fmt = IA_CSS_FRAME_FORMAT_RAW,
228 .description = "Bayer 8"
229 }, {
230 .pixelformat = V4L2_PIX_FMT_SRGGB8,
231 .depth = 8,
232 .mbus_code = MEDIA_BUS_FMT_SRGGB8_1X8,
233 .sh_fmt = IA_CSS_FRAME_FORMAT_RAW,
234 .description = "Bayer 8"
235 }, {
236 .pixelformat = V4L2_PIX_FMT_SBGGR10,
237 .depth = 16,
238 .mbus_code = MEDIA_BUS_FMT_SBGGR10_1X10,
239 .sh_fmt = IA_CSS_FRAME_FORMAT_RAW,
240 .description = "Bayer 10"
241 }, {
242 .pixelformat = V4L2_PIX_FMT_SGBRG10,
243 .depth = 16,
244 .mbus_code = MEDIA_BUS_FMT_SGBRG10_1X10,
245 .sh_fmt = IA_CSS_FRAME_FORMAT_RAW,
246 .description = "Bayer 10"
247 }, {
248 .pixelformat = V4L2_PIX_FMT_SGRBG10,
249 .depth = 16,
250 .mbus_code = MEDIA_BUS_FMT_SGRBG10_1X10,
251 .sh_fmt = IA_CSS_FRAME_FORMAT_RAW,
252 .description = "Bayer 10"
253 }, {
254 .pixelformat = V4L2_PIX_FMT_SRGGB10,
255 .depth = 16,
256 .mbus_code = MEDIA_BUS_FMT_SRGGB10_1X10,
257 .sh_fmt = IA_CSS_FRAME_FORMAT_RAW,
258 .description = "Bayer 10"
259 }, {
260 .pixelformat = V4L2_PIX_FMT_SBGGR12,
261 .depth = 16,
262 .mbus_code = MEDIA_BUS_FMT_SBGGR12_1X12,
263 .sh_fmt = IA_CSS_FRAME_FORMAT_RAW,
264 .description = "Bayer 12"
265 }, {
266 .pixelformat = V4L2_PIX_FMT_SGBRG12,
267 .depth = 16,
268 .mbus_code = MEDIA_BUS_FMT_SGBRG12_1X12,
269 .sh_fmt = IA_CSS_FRAME_FORMAT_RAW,
270 .description = "Bayer 12"
271 }, {
272 .pixelformat = V4L2_PIX_FMT_SGRBG12,
273 .depth = 16,
274 .mbus_code = MEDIA_BUS_FMT_SGRBG12_1X12,
275 .sh_fmt = IA_CSS_FRAME_FORMAT_RAW,
276 .description = "Bayer 12"
277 }, {
278 .pixelformat = V4L2_PIX_FMT_SRGGB12,
279 .depth = 16,
280 .mbus_code = MEDIA_BUS_FMT_SRGGB12_1X12,
281 .sh_fmt = IA_CSS_FRAME_FORMAT_RAW,
282 .description = "Bayer 12"
283 }, {
284 .pixelformat = V4L2_PIX_FMT_RGB565,
285 .depth = 16,
286 .mbus_code = MEDIA_BUS_FMT_BGR565_2X8_LE,
287 .sh_fmt = IA_CSS_FRAME_FORMAT_RGB565,
288 .description = "16 RGB 5-6-5"
289 #if 0
290 }, {
291 /*
292 * Broken, showing vertical columns with random data.
293 * For each 128 pixels in a row the last 28 (32?) or so pixels
294 * contain random data.
295 */
296 .pixelformat = V4L2_PIX_FMT_RGBX32,
297 .depth = 32,
298 .mbus_code = V4L2_MBUS_FMT_CUSTOM_RGB32,
299 .sh_fmt = IA_CSS_FRAME_FORMAT_RGBA888,
300 .description = "32 RGB 8-8-8-8"
301 }, {
302 .pixelformat = V4L2_PIX_FMT_JPEG,
303 .depth = 8,
304 .mbus_code = MEDIA_BUS_FMT_JPEG_1X8,
305 .sh_fmt = IA_CSS_FRAME_FORMAT_BINARY_8,
306 .description = "JPEG"
307 }, {
308 /* This is a custom format being used by M10MO to send the RAW data */
309 .pixelformat = V4L2_PIX_FMT_CUSTOM_M10MO_RAW,
310 .depth = 8,
311 .mbus_code = V4L2_MBUS_FMT_CUSTOM_M10MO_RAW,
312 .sh_fmt = IA_CSS_FRAME_FORMAT_BINARY_8,
313 .description = "Custom RAW for M10MO"
314 #endif
315 },
316 };
317
318 const struct atomisp_format_bridge *
atomisp_get_format_bridge(unsigned int pixelformat)319 atomisp_get_format_bridge(unsigned int pixelformat)
320 {
321 unsigned int i;
322
323 for (i = 0; i < ARRAY_SIZE(atomisp_output_fmts); i++) {
324 if (atomisp_output_fmts[i].pixelformat == pixelformat)
325 return &atomisp_output_fmts[i];
326 }
327
328 return NULL;
329 }
330
331 const struct atomisp_format_bridge *
atomisp_get_format_bridge_from_mbus(u32 mbus_code)332 atomisp_get_format_bridge_from_mbus(u32 mbus_code)
333 {
334 unsigned int i;
335
336 for (i = 0; i < ARRAY_SIZE(atomisp_output_fmts); i++) {
337 if (mbus_code == atomisp_output_fmts[i].mbus_code)
338 return &atomisp_output_fmts[i];
339 }
340
341 return NULL;
342 }
343
atomisp_pipe_check(struct atomisp_video_pipe * pipe,bool settings_change)344 int atomisp_pipe_check(struct atomisp_video_pipe *pipe, bool settings_change)
345 {
346 lockdep_assert_held(&pipe->isp->mutex);
347
348 if (pipe->isp->isp_fatal_error)
349 return -EIO;
350
351 if (settings_change && vb2_is_busy(&pipe->vb_queue)) {
352 dev_err(pipe->isp->dev, "Set fmt/input IOCTL while streaming\n");
353 return -EBUSY;
354 }
355
356 return 0;
357 }
358
359 /*
360 * v4l2 ioctls
361 * return ISP capabilities
362 */
atomisp_querycap(struct file * file,void * fh,struct v4l2_capability * cap)363 static int atomisp_querycap(struct file *file, void *fh,
364 struct v4l2_capability *cap)
365 {
366 struct video_device *vdev = video_devdata(file);
367 struct atomisp_device *isp = video_get_drvdata(vdev);
368
369 strscpy(cap->driver, DRIVER, sizeof(cap->driver));
370 strscpy(cap->card, CARD, sizeof(cap->card));
371 snprintf(cap->bus_info, sizeof(cap->bus_info), "PCI:%s", dev_name(isp->dev));
372
373 return 0;
374 }
375
376 /*
377 * enum input are used to check primary/secondary camera
378 */
atomisp_enum_input(struct file * file,void * fh,struct v4l2_input * input)379 static int atomisp_enum_input(struct file *file, void *fh,
380 struct v4l2_input *input)
381 {
382 struct video_device *vdev = video_devdata(file);
383 struct atomisp_device *isp = video_get_drvdata(vdev);
384 int index = input->index;
385
386 if (index >= isp->input_cnt)
387 return -EINVAL;
388
389 if (!isp->inputs[index].sensor)
390 return -EINVAL;
391
392 memset(input, 0, sizeof(struct v4l2_input));
393 strscpy(input->name, isp->inputs[index].sensor->name,
394 sizeof(input->name));
395
396 input->type = V4L2_INPUT_TYPE_CAMERA;
397 input->index = index;
398 input->reserved[1] = isp->inputs[index].port;
399
400 return 0;
401 }
402
403 /*
404 * get input are used to get current primary/secondary camera
405 */
atomisp_g_input(struct file * file,void * fh,unsigned int * input)406 static int atomisp_g_input(struct file *file, void *fh, unsigned int *input)
407 {
408 struct video_device *vdev = video_devdata(file);
409 struct atomisp_sub_device *asd = atomisp_to_video_pipe(vdev)->asd;
410
411 *input = asd->input_curr;
412 return 0;
413 }
414
atomisp_s_fmt_cap(struct file * file,void * fh,struct v4l2_format * f)415 static int atomisp_s_fmt_cap(struct file *file, void *fh,
416 struct v4l2_format *f)
417 {
418 struct video_device *vdev = video_devdata(file);
419
420 return atomisp_set_fmt(vdev, f);
421 }
422
423 /*
424 * set input are used to set current primary/secondary camera
425 */
atomisp_s_input(struct file * file,void * fh,unsigned int input)426 static int atomisp_s_input(struct file *file, void *fh, unsigned int input)
427 {
428 struct video_device *vdev = video_devdata(file);
429 struct atomisp_device *isp = video_get_drvdata(vdev);
430 struct atomisp_video_pipe *pipe = atomisp_to_video_pipe(vdev);
431 int ret;
432
433 if (input >= isp->input_cnt)
434 return -EINVAL;
435
436 if (!isp->inputs[input].sensor)
437 return -EINVAL;
438
439 ret = atomisp_pipe_check(pipe, true);
440 if (ret)
441 return ret;
442
443 mutex_lock(&isp->media_dev.graph_mutex);
444 ret = atomisp_select_input(isp, input);
445 mutex_unlock(&isp->media_dev.graph_mutex);
446
447 return ret;
448 }
449
450 /*
451 * With crop any framesize <= sensor-size can be made, give
452 * userspace a list of sizes to choice from.
453 */
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)454 static int atomisp_enum_framesizes_crop_inner(struct atomisp_device *isp,
455 struct v4l2_frmsizeenum *fsize,
456 const struct v4l2_rect *active,
457 const struct v4l2_rect *native,
458 int *valid_sizes)
459 {
460 static const struct v4l2_frmsize_discrete frame_sizes[] = {
461 { 1920, 1440 },
462 { 1920, 1200 },
463 { 1920, 1080 },
464 { 1600, 1200 },
465 { 1600, 1080 },
466 { 1600, 900 },
467 { 1440, 1080 },
468 { 1280, 960 },
469 { 1280, 720 },
470 { 800, 600 },
471 { 640, 480 },
472 };
473 u32 padding_w, padding_h;
474 int i;
475
476 for (i = 0; i < ARRAY_SIZE(frame_sizes); i++) {
477 atomisp_get_padding(isp, frame_sizes[i].width, frame_sizes[i].height,
478 &padding_w, &padding_h);
479
480 if ((frame_sizes[i].width + padding_w) > native->width ||
481 (frame_sizes[i].height + padding_h) > native->height)
482 continue;
483
484 /*
485 * Skip sizes where width and height are less then 5/8th of the
486 * sensor size to avoid sizes with a too small field of view.
487 */
488 if (frame_sizes[i].width < (active->width * 5 / 8) &&
489 frame_sizes[i].height < (active->height * 5 / 8))
490 continue;
491
492 if (*valid_sizes == fsize->index) {
493 fsize->type = V4L2_FRMSIZE_TYPE_DISCRETE;
494 fsize->discrete = frame_sizes[i];
495 return 0;
496 }
497
498 (*valid_sizes)++;
499 }
500
501 return -EINVAL;
502 }
503
atomisp_enum_framesizes_crop(struct atomisp_device * isp,struct v4l2_frmsizeenum * fsize)504 static int atomisp_enum_framesizes_crop(struct atomisp_device *isp,
505 struct v4l2_frmsizeenum *fsize)
506 {
507 struct atomisp_input_subdev *input = &isp->inputs[isp->asd.input_curr];
508 struct v4l2_rect active = input->active_rect;
509 struct v4l2_rect native = input->native_rect;
510 int ret, valid_sizes = 0;
511
512 ret = atomisp_enum_framesizes_crop_inner(isp, fsize, &active, &native, &valid_sizes);
513 if (ret == 0)
514 return 0;
515
516 if (!input->binning_support)
517 return -EINVAL;
518
519 active.width /= 2;
520 active.height /= 2;
521 native.width /= 2;
522 native.height /= 2;
523
524 return atomisp_enum_framesizes_crop_inner(isp, fsize, &active, &native, &valid_sizes);
525 }
526
atomisp_enum_framesizes(struct file * file,void * priv,struct v4l2_frmsizeenum * fsize)527 static int atomisp_enum_framesizes(struct file *file, void *priv,
528 struct v4l2_frmsizeenum *fsize)
529 {
530 struct video_device *vdev = video_devdata(file);
531 struct atomisp_device *isp = video_get_drvdata(vdev);
532 struct atomisp_sub_device *asd = atomisp_to_video_pipe(vdev)->asd;
533 struct atomisp_input_subdev *input = &isp->inputs[asd->input_curr];
534 struct v4l2_subdev_frame_size_enum fse = {
535 .index = fsize->index,
536 .which = V4L2_SUBDEV_FORMAT_ACTIVE,
537 .code = input->code,
538 };
539 struct v4l2_subdev_state *act_sd_state;
540 int ret;
541
542 if (!input->sensor)
543 return -EINVAL;
544
545 if (input->crop_support)
546 return atomisp_enum_framesizes_crop(isp, fsize);
547
548 act_sd_state = v4l2_subdev_lock_and_get_active_state(input->sensor);
549 ret = v4l2_subdev_call(input->sensor, pad, enum_frame_size,
550 act_sd_state, &fse);
551 if (act_sd_state)
552 v4l2_subdev_unlock_state(act_sd_state);
553 if (ret)
554 return ret;
555
556 fsize->type = V4L2_FRMSIZE_TYPE_DISCRETE;
557 fsize->discrete.width = fse.max_width - pad_w;
558 fsize->discrete.height = fse.max_height - pad_h;
559
560 return 0;
561 }
562
atomisp_enum_frameintervals(struct file * file,void * priv,struct v4l2_frmivalenum * fival)563 static int atomisp_enum_frameintervals(struct file *file, void *priv,
564 struct v4l2_frmivalenum *fival)
565 {
566 struct video_device *vdev = video_devdata(file);
567 struct atomisp_device *isp = video_get_drvdata(vdev);
568 struct atomisp_sub_device *asd = atomisp_to_video_pipe(vdev)->asd;
569 struct atomisp_input_subdev *input = &isp->inputs[asd->input_curr];
570 struct v4l2_subdev_frame_interval_enum fie = {
571 .code = atomisp_in_fmt_conv[0].code,
572 .index = fival->index,
573 .width = fival->width,
574 .height = fival->height,
575 .which = V4L2_SUBDEV_FORMAT_ACTIVE,
576 };
577 struct v4l2_subdev_state *act_sd_state;
578 int ret;
579
580 if (!input->sensor)
581 return -EINVAL;
582
583 act_sd_state = v4l2_subdev_lock_and_get_active_state(input->sensor);
584 ret = v4l2_subdev_call(input->sensor, pad, enum_frame_interval,
585 act_sd_state, &fie);
586 if (act_sd_state)
587 v4l2_subdev_unlock_state(act_sd_state);
588 if (ret)
589 return ret;
590
591 fival->type = V4L2_FRMIVAL_TYPE_DISCRETE;
592 fival->discrete = fie.interval;
593
594 return ret;
595 }
596
atomisp_enum_fmt_cap(struct file * file,void * fh,struct v4l2_fmtdesc * f)597 static int atomisp_enum_fmt_cap(struct file *file, void *fh,
598 struct v4l2_fmtdesc *f)
599 {
600 struct video_device *vdev = video_devdata(file);
601 struct atomisp_device *isp = video_get_drvdata(vdev);
602 struct atomisp_sub_device *asd = atomisp_to_video_pipe(vdev)->asd;
603 struct atomisp_input_subdev *input = &isp->inputs[asd->input_curr];
604 struct v4l2_subdev_mbus_code_enum code = {
605 .which = V4L2_SUBDEV_FORMAT_ACTIVE,
606 };
607 const struct atomisp_format_bridge *format;
608 struct v4l2_subdev_state *act_sd_state;
609 unsigned int i, fi = 0;
610 int ret;
611
612 if (!input->sensor)
613 return -EINVAL;
614
615 act_sd_state = v4l2_subdev_lock_and_get_active_state(input->sensor);
616 ret = v4l2_subdev_call(input->sensor, pad, enum_mbus_code,
617 act_sd_state, &code);
618 if (act_sd_state)
619 v4l2_subdev_unlock_state(act_sd_state);
620 if (ret)
621 return ret;
622
623 for (i = 0; i < ARRAY_SIZE(atomisp_output_fmts); i++) {
624 format = &atomisp_output_fmts[i];
625
626 /*
627 * Is the atomisp-supported format is valid for the
628 * sensor (configuration)? If not, skip it.
629 *
630 * FIXME: fix the pipeline to allow sensor format too.
631 */
632 if (format->sh_fmt == IA_CSS_FRAME_FORMAT_RAW)
633 continue;
634
635 /* Found a match. Now let's pick f->index'th one. */
636 if (fi < f->index) {
637 fi++;
638 continue;
639 }
640
641 strscpy(f->description, format->description,
642 sizeof(f->description));
643 f->pixelformat = format->pixelformat;
644 return 0;
645 }
646
647 return -EINVAL;
648 }
649
650 /* This function looks up the closest available resolution. */
atomisp_try_fmt_cap(struct file * file,void * fh,struct v4l2_format * f)651 static int atomisp_try_fmt_cap(struct file *file, void *fh,
652 struct v4l2_format *f)
653 {
654 struct video_device *vdev = video_devdata(file);
655 struct atomisp_device *isp = video_get_drvdata(vdev);
656
657 return atomisp_try_fmt(isp, &f->fmt.pix, NULL, NULL);
658 }
659
atomisp_g_fmt_cap(struct file * file,void * fh,struct v4l2_format * f)660 static int atomisp_g_fmt_cap(struct file *file, void *fh,
661 struct v4l2_format *f)
662 {
663 struct video_device *vdev = video_devdata(file);
664 struct atomisp_video_pipe *pipe;
665
666 pipe = atomisp_to_video_pipe(vdev);
667
668 f->fmt.pix = pipe->pix;
669
670 /* If s_fmt was issued, just return whatever is was previously set */
671 if (f->fmt.pix.sizeimage)
672 return 0;
673
674 f->fmt.pix.pixelformat = V4L2_PIX_FMT_YUV420;
675 f->fmt.pix.width = 10000;
676 f->fmt.pix.height = 10000;
677
678 return atomisp_try_fmt_cap(file, fh, f);
679 }
680
atomisp_alloc_css_stat_bufs(struct atomisp_sub_device * asd,uint16_t stream_id)681 int atomisp_alloc_css_stat_bufs(struct atomisp_sub_device *asd,
682 uint16_t stream_id)
683 {
684 struct atomisp_device *isp = asd->isp;
685 struct atomisp_s3a_buf *s3a_buf = NULL, *_s3a_buf;
686 struct atomisp_dis_buf *dis_buf = NULL, *_dis_buf;
687 struct atomisp_metadata_buf *md_buf = NULL, *_md_buf;
688 int count;
689 struct ia_css_dvs_grid_info *dvs_grid_info =
690 atomisp_css_get_dvs_grid_info(&asd->params.curr_grid_info);
691 unsigned int i;
692
693 if (list_empty(&asd->s3a_stats) &&
694 asd->params.curr_grid_info.s3a_grid.enable) {
695 count = ATOMISP_CSS_Q_DEPTH +
696 ATOMISP_S3A_BUF_QUEUE_DEPTH_FOR_HAL;
697 dev_dbg(isp->dev, "allocating %d 3a buffers\n", count);
698 while (count--) {
699 s3a_buf = kzalloc_obj(struct atomisp_s3a_buf);
700 if (!s3a_buf)
701 goto error;
702
703 if (atomisp_css_allocate_stat_buffers(
704 asd, stream_id, s3a_buf, NULL, NULL)) {
705 kfree(s3a_buf);
706 goto error;
707 }
708
709 list_add_tail(&s3a_buf->list, &asd->s3a_stats);
710 }
711 }
712
713 if (list_empty(&asd->dis_stats) && dvs_grid_info &&
714 dvs_grid_info->enable) {
715 count = ATOMISP_CSS_Q_DEPTH + 1;
716 dev_dbg(isp->dev, "allocating %d dis buffers\n", count);
717 while (count--) {
718 dis_buf = kzalloc_obj(struct atomisp_dis_buf);
719 if (!dis_buf)
720 goto error;
721 if (atomisp_css_allocate_stat_buffers(
722 asd, stream_id, NULL, dis_buf, NULL)) {
723 kfree(dis_buf);
724 goto error;
725 }
726
727 list_add_tail(&dis_buf->list, &asd->dis_stats);
728 }
729 }
730
731 for (i = 0; i < ATOMISP_METADATA_TYPE_NUM; i++) {
732 if (list_empty(&asd->metadata[i]) &&
733 list_empty(&asd->metadata_ready[i]) &&
734 list_empty(&asd->metadata_in_css[i])) {
735 count = ATOMISP_CSS_Q_DEPTH +
736 ATOMISP_METADATA_QUEUE_DEPTH_FOR_HAL;
737 dev_dbg(isp->dev, "allocating %d metadata buffers for type %d\n",
738 count, i);
739 while (count--) {
740 md_buf = kzalloc_obj(struct atomisp_metadata_buf);
741 if (!md_buf)
742 goto error;
743
744 if (atomisp_css_allocate_stat_buffers(
745 asd, stream_id, NULL, NULL, md_buf)) {
746 kfree(md_buf);
747 goto error;
748 }
749 list_add_tail(&md_buf->list, &asd->metadata[i]);
750 }
751 }
752 }
753 return 0;
754
755 error:
756 dev_err(isp->dev, "failed to allocate statistics buffers\n");
757
758 list_for_each_entry_safe(dis_buf, _dis_buf, &asd->dis_stats, list) {
759 atomisp_css_free_dis_buffer(dis_buf);
760 list_del(&dis_buf->list);
761 kfree(dis_buf);
762 }
763
764 list_for_each_entry_safe(s3a_buf, _s3a_buf, &asd->s3a_stats, list) {
765 atomisp_css_free_3a_buffer(s3a_buf);
766 list_del(&s3a_buf->list);
767 kfree(s3a_buf);
768 }
769
770 for (i = 0; i < ATOMISP_METADATA_TYPE_NUM; i++) {
771 list_for_each_entry_safe(md_buf, _md_buf, &asd->metadata[i],
772 list) {
773 atomisp_css_free_metadata_buffer(md_buf);
774 list_del(&md_buf->list);
775 kfree(md_buf);
776 }
777 }
778 return -ENOMEM;
779 }
780
781 /*
782 * FIXME the abuse of buf->reserved2 in the qbuf and dqbuf wrappers comes from
783 * the original atomisp buffer handling and should be replaced with proper V4L2
784 * per frame parameters use.
785 *
786 * Once this is fixed these wrappers can be removed, replacing them with direct
787 * calls to vb2_ioctl_[d]qbuf().
788 */
atomisp_qbuf_wrapper(struct file * file,void * fh,struct v4l2_buffer * buf)789 static int atomisp_qbuf_wrapper(struct file *file, void *fh, struct v4l2_buffer *buf)
790 {
791 struct video_device *vdev = video_devdata(file);
792 struct atomisp_device *isp = video_get_drvdata(vdev);
793 struct atomisp_video_pipe *pipe = atomisp_to_video_pipe(vdev);
794
795 if (buf->index >= vb2_get_num_buffers(vdev->queue))
796 return -EINVAL;
797
798 if (buf->reserved2 & ATOMISP_BUFFER_HAS_PER_FRAME_SETTING) {
799 /* this buffer will have a per-frame parameter */
800 pipe->frame_request_config_id[buf->index] = buf->reserved2 &
801 ~ATOMISP_BUFFER_HAS_PER_FRAME_SETTING;
802 dev_dbg(isp->dev,
803 "This buffer requires per_frame setting which has isp_config_id %d\n",
804 pipe->frame_request_config_id[buf->index]);
805 } else {
806 pipe->frame_request_config_id[buf->index] = 0;
807 }
808
809 return vb2_ioctl_qbuf(file, fh, buf);
810 }
811
atomisp_dqbuf_wrapper(struct file * file,void * fh,struct v4l2_buffer * buf)812 static int atomisp_dqbuf_wrapper(struct file *file, void *fh, struct v4l2_buffer *buf)
813 {
814 struct video_device *vdev = video_devdata(file);
815 struct atomisp_video_pipe *pipe = atomisp_to_video_pipe(vdev);
816 struct atomisp_device *isp = video_get_drvdata(vdev);
817 struct ia_css_frame *frame;
818 struct vb2_buffer *vb;
819 int ret;
820
821 ret = vb2_ioctl_dqbuf(file, fh, buf);
822 if (ret)
823 return ret;
824
825 vb = vb2_get_buffer(&pipe->vb_queue, buf->index);
826 frame = vb_to_frame(vb);
827
828 /* reserved bit[31:16] is used for exp_id */
829 buf->reserved = 0;
830 if (!(buf->flags & V4L2_BUF_FLAG_ERROR))
831 buf->reserved |= frame->exp_id;
832 buf->reserved2 = pipe->frame_config_id[buf->index];
833
834 dev_dbg(isp->dev,
835 "dqbuf buffer %d (%s) with exp_id %d, isp_config_id %d\n",
836 buf->index, vdev->name, buf->reserved >> 16, buf->reserved2);
837 return 0;
838 }
839
840 /* Input system HW workaround */
841 /* Input system address translation corrupts burst during */
842 /* invalidate. SW workaround for this is to set burst length */
843 /* manually to 128 in case of 13MPx snapshot and to 1 otherwise. */
atomisp_dma_burst_len_cfg(struct atomisp_sub_device * asd)844 static void atomisp_dma_burst_len_cfg(struct atomisp_sub_device *asd)
845 {
846 struct v4l2_mbus_framefmt *sink;
847
848 sink = atomisp_subdev_get_ffmt(&asd->subdev, NULL,
849 V4L2_SUBDEV_FORMAT_ACTIVE,
850 ATOMISP_SUBDEV_PAD_SINK);
851
852 if (sink->width * sink->height >= 4096 * 3072)
853 atomisp_css2_hw_store_32(DMA_BURST_SIZE_REG, 0x7F);
854 else
855 atomisp_css2_hw_store_32(DMA_BURST_SIZE_REG, 0x00);
856 }
857
atomisp_stop_stream(struct atomisp_video_pipe * pipe,bool stop_sensor,enum vb2_buffer_state state)858 static void atomisp_stop_stream(struct atomisp_video_pipe *pipe,
859 bool stop_sensor, enum vb2_buffer_state state)
860 {
861 struct atomisp_sub_device *asd = pipe->asd;
862 struct atomisp_device *isp = asd->isp;
863 struct pci_dev *pdev = to_pci_dev(isp->dev);
864 unsigned long flags;
865 int ret;
866
867 spin_lock_irqsave(&isp->lock, flags);
868 asd->streaming = false;
869 spin_unlock_irqrestore(&isp->lock, flags);
870
871 atomisp_clear_css_buffer_counters(asd);
872 atomisp_css_irq_enable(isp, IA_CSS_IRQ_INFO_CSS_RECEIVER_SOF, false);
873
874 atomisp_css_stop(asd, false);
875
876 atomisp_subdev_cleanup_pending_events(asd);
877
878 if (stop_sensor) {
879 ret = v4l2_subdev_call(isp->inputs[asd->input_curr].csi_remote_source,
880 video, s_stream, 0);
881 if (ret)
882 dev_warn(isp->dev, "Stopping sensor stream failed: %d\n", ret);
883 }
884
885 /* Disable the CSI interface on ANN B0/K0 */
886 if (isp->media_dev.hw_revision >= ((ATOMISP_HW_REVISION_ISP2401 <<
887 ATOMISP_HW_REVISION_SHIFT) | ATOMISP_HW_STEPPING_B0)) {
888 pci_write_config_word(pdev, MRFLD_PCI_CSI_CONTROL,
889 isp->saved_regs.csi_control & ~MRFLD_PCI_CSI_CONTROL_CSI_READY);
890 }
891
892 if (atomisp_freq_scaling(isp, ATOMISP_DFS_MODE_LOW, false))
893 dev_warn(isp->dev, "DFS failed.\n");
894
895 /*
896 * ISP work around, need to reset ISP to allow next stream on to work.
897 * Streams have already been destroyed by atomisp_css_stop().
898 * Disable PUNIT/ISP acknowledge/handshake - SRSE=3 and then reset.
899 */
900 pci_write_config_dword(pdev, PCI_I_CONTROL,
901 isp->saved_regs.i_control | MRFLD_PCI_I_CONTROL_SRSE_RESET_MASK);
902 atomisp_reset(isp);
903
904 atomisp_flush_video_pipe(pipe, state, false);
905
906 /* Streams were destroyed by atomisp_css_stop(), recreate them. */
907 ret = atomisp_create_pipes_stream(&isp->asd);
908 if (ret)
909 dev_warn(isp->dev, "Recreating streams failed: %d\n", ret);
910
911 media_pipeline_stop(&asd->video_out.vdev.entity.pads[0]);
912 }
913
atomisp_start_streaming(struct vb2_queue * vq,unsigned int count)914 int atomisp_start_streaming(struct vb2_queue *vq, unsigned int count)
915 {
916 struct atomisp_video_pipe *pipe = vq_to_pipe(vq);
917 struct atomisp_sub_device *asd = pipe->asd;
918 struct atomisp_device *isp = asd->isp;
919 struct pci_dev *pdev = to_pci_dev(isp->dev);
920 unsigned long irqflags;
921 int ret;
922
923 dev_dbg(isp->dev, "Start stream\n");
924
925 mutex_lock(&isp->mutex);
926
927 ret = atomisp_pipe_check(pipe, false);
928 if (ret) {
929 atomisp_flush_video_pipe(pipe, VB2_BUF_STATE_QUEUED, true);
930 goto out_unlock;
931 }
932
933 /*
934 * When running a classic v4l2 app after a media-controller aware
935 * app, the CSI-receiver -> ISP link for the current sensor may be
936 * disabled. Fix this up before marking the pipeline as started.
937 */
938 mutex_lock(&isp->media_dev.graph_mutex);
939 atomisp_setup_input_links(isp);
940 ret = __media_pipeline_start(&asd->video_out.vdev.entity.pads[0], &asd->video_out.pipe);
941 mutex_unlock(&isp->media_dev.graph_mutex);
942 if (ret) {
943 dev_err(isp->dev, "Error starting mc pipeline: %d\n", ret);
944 atomisp_flush_video_pipe(pipe, VB2_BUF_STATE_QUEUED, true);
945 goto out_unlock;
946 }
947
948 /* Input system HW workaround */
949 atomisp_dma_burst_len_cfg(asd);
950
951 /* Invalidate caches. FIXME: should flush only necessary buffers */
952 wbinvd();
953
954 if (asd->params.css_update_params_needed) {
955 atomisp_apply_css_parameters(asd, &asd->params.css_param);
956 if (asd->params.css_param.update_flag.dz_config)
957 asd->params.config.dz_config = &asd->params.css_param.dz_config;
958 atomisp_css_update_isp_params(asd);
959 asd->params.css_update_params_needed = false;
960 memset(&asd->params.css_param.update_flag, 0,
961 sizeof(struct atomisp_parameters));
962 }
963 asd->params.dvs_6axis = NULL;
964
965 ret = atomisp_css_start(asd);
966 if (ret) {
967 atomisp_flush_video_pipe(pipe, VB2_BUF_STATE_QUEUED, true);
968 media_pipeline_stop(&asd->video_out.vdev.entity.pads[0]);
969 goto out_unlock;
970 }
971
972 spin_lock_irqsave(&isp->lock, irqflags);
973 asd->streaming = true;
974 spin_unlock_irqrestore(&isp->lock, irqflags);
975 atomic_set(&asd->sof_count, 0);
976 atomic_set(&asd->sequence, 0);
977 atomic_set(&asd->sequence_temp, 0);
978
979 asd->params.dis_proj_data_valid = false;
980 asd->latest_preview_exp_id = 0;
981 asd->postview_exp_id = 1;
982 asd->preview_exp_id = 1;
983
984 /* handle per_frame_setting parameter and buffers */
985 atomisp_handle_parameter_and_buffer(pipe);
986
987 atomisp_qbuffers_to_css(asd);
988
989 atomisp_css_irq_enable(isp, IA_CSS_IRQ_INFO_CSS_RECEIVER_SOF,
990 atomisp_css_valid_sof(isp));
991 atomisp_csi2_configure(asd);
992
993 if (atomisp_freq_scaling(isp, ATOMISP_DFS_MODE_AUTO, false) < 0)
994 dev_dbg(isp->dev, "DFS auto mode failed!\n");
995
996 /* Enable the CSI interface on ANN B0/K0 */
997 if (isp->media_dev.hw_revision >= ((ATOMISP_HW_REVISION_ISP2401 <<
998 ATOMISP_HW_REVISION_SHIFT) | ATOMISP_HW_STEPPING_B0)) {
999 pci_write_config_word(pdev, MRFLD_PCI_CSI_CONTROL,
1000 isp->saved_regs.csi_control | MRFLD_PCI_CSI_CONTROL_CSI_READY);
1001 }
1002
1003 /* stream on the sensor */
1004 ret = v4l2_subdev_call(isp->inputs[asd->input_curr].csi_remote_source,
1005 video, s_stream, 1);
1006 if (ret) {
1007 dev_err(isp->dev, "Starting sensor stream failed: %d\n", ret);
1008 atomisp_stop_stream(pipe, false, VB2_BUF_STATE_QUEUED);
1009 }
1010
1011 out_unlock:
1012 mutex_unlock(&isp->mutex);
1013 return ret;
1014 }
1015
atomisp_stop_streaming(struct vb2_queue * vq)1016 void atomisp_stop_streaming(struct vb2_queue *vq)
1017 {
1018 struct atomisp_video_pipe *pipe = vq_to_pipe(vq);
1019 struct atomisp_device *isp = pipe->asd->isp;
1020
1021 dev_dbg(isp->dev, "Stop stream\n");
1022
1023 mutex_lock(&isp->mutex);
1024 atomisp_stop_stream(pipe, true, VB2_BUF_STATE_ERROR);
1025 mutex_unlock(&isp->mutex);
1026 }
1027
1028 /*
1029 * To get the current value of a control.
1030 * applications initialize the id field of a struct v4l2_control and
1031 * call this ioctl with a pointer to this structure
1032 */
atomisp_g_ctrl(struct file * file,void * fh,struct v4l2_control * control)1033 static int atomisp_g_ctrl(struct file *file, void *fh,
1034 struct v4l2_control *control)
1035 {
1036 struct video_device *vdev = video_devdata(file);
1037 struct atomisp_sub_device *asd = atomisp_to_video_pipe(vdev)->asd;
1038 int i, ret = -EINVAL;
1039
1040 for (i = 0; i < ctrls_num; i++) {
1041 if (ci_v4l2_controls[i].id == control->id) {
1042 ret = 0;
1043 break;
1044 }
1045 }
1046
1047 if (ret)
1048 return ret;
1049
1050 switch (control->id) {
1051 case V4L2_CID_COLORFX:
1052 ret = atomisp_color_effect(asd, 0, &control->value);
1053 break;
1054 case V4L2_CID_ATOMISP_BAD_PIXEL_DETECTION:
1055 ret = atomisp_bad_pixel(asd, 0, &control->value);
1056 break;
1057 case V4L2_CID_ATOMISP_POSTPROCESS_GDC_CAC:
1058 ret = atomisp_gdc_cac(asd, 0, &control->value);
1059 break;
1060 case V4L2_CID_ATOMISP_VIDEO_STABLIZATION:
1061 ret = atomisp_video_stable(asd, 0, &control->value);
1062 break;
1063 case V4L2_CID_ATOMISP_FIXED_PATTERN_NR:
1064 ret = atomisp_fixed_pattern(asd, 0, &control->value);
1065 break;
1066 case V4L2_CID_ATOMISP_FALSE_COLOR_CORRECTION:
1067 ret = atomisp_false_color(asd, 0, &control->value);
1068 break;
1069 case V4L2_CID_ATOMISP_LOW_LIGHT:
1070 ret = atomisp_low_light(asd, 0, &control->value);
1071 break;
1072 default:
1073 ret = -EINVAL;
1074 break;
1075 }
1076
1077 return ret;
1078 }
1079
1080 /*
1081 * To change the value of a control.
1082 * applications initialize the id and value fields of a struct v4l2_control
1083 * and call this ioctl.
1084 */
atomisp_s_ctrl(struct file * file,void * fh,struct v4l2_control * control)1085 static int atomisp_s_ctrl(struct file *file, void *fh,
1086 struct v4l2_control *control)
1087 {
1088 struct video_device *vdev = video_devdata(file);
1089 struct atomisp_sub_device *asd = atomisp_to_video_pipe(vdev)->asd;
1090 int i, ret = -EINVAL;
1091
1092 for (i = 0; i < ctrls_num; i++) {
1093 if (ci_v4l2_controls[i].id == control->id) {
1094 ret = 0;
1095 break;
1096 }
1097 }
1098
1099 if (ret)
1100 return ret;
1101
1102 switch (control->id) {
1103 case V4L2_CID_COLORFX:
1104 ret = atomisp_color_effect(asd, 1, &control->value);
1105 break;
1106 case V4L2_CID_ATOMISP_BAD_PIXEL_DETECTION:
1107 ret = atomisp_bad_pixel(asd, 1, &control->value);
1108 break;
1109 case V4L2_CID_ATOMISP_POSTPROCESS_GDC_CAC:
1110 ret = atomisp_gdc_cac(asd, 1, &control->value);
1111 break;
1112 case V4L2_CID_ATOMISP_VIDEO_STABLIZATION:
1113 ret = atomisp_video_stable(asd, 1, &control->value);
1114 break;
1115 case V4L2_CID_ATOMISP_FIXED_PATTERN_NR:
1116 ret = atomisp_fixed_pattern(asd, 1, &control->value);
1117 break;
1118 case V4L2_CID_ATOMISP_FALSE_COLOR_CORRECTION:
1119 ret = atomisp_false_color(asd, 1, &control->value);
1120 break;
1121 case V4L2_CID_ATOMISP_LOW_LIGHT:
1122 ret = atomisp_low_light(asd, 1, &control->value);
1123 break;
1124 default:
1125 ret = -EINVAL;
1126 break;
1127 }
1128 return ret;
1129 }
1130
1131 /*
1132 * To query the attributes of a control.
1133 * applications set the id field of a struct v4l2_query_ext_ctrl and call the
1134 * this ioctl with a pointer to this structure. The driver fills
1135 * the rest of the structure.
1136 */
atomisp_query_ext_ctrl(struct file * file,void * fh,struct v4l2_query_ext_ctrl * qc)1137 static int atomisp_query_ext_ctrl(struct file *file, void *fh,
1138 struct v4l2_query_ext_ctrl *qc)
1139 {
1140 int i;
1141
1142 /* TODO: implement V4L2_CTRL_FLAG_NEXT_CTRL */
1143 if (qc->id & V4L2_CTRL_FLAG_NEXT_CTRL)
1144 return -EINVAL;
1145
1146 for (i = 0; i < ctrls_num; i++) {
1147 if (ci_v4l2_controls[i].id == qc->id) {
1148 *qc = ci_v4l2_controls[i];
1149 qc->elems = 1;
1150 qc->elem_size = 4;
1151 return 0;
1152 }
1153 }
1154
1155 /*
1156 * This is probably not needed, but this flag has been set for
1157 * many kernel versions. Leave it to avoid breaking any apps.
1158 */
1159 qc->flags = V4L2_CTRL_FLAG_DISABLED;
1160 return -EINVAL;
1161 }
1162
atomisp_camera_g_ext_ctrls(struct file * file,void * fh,struct v4l2_ext_controls * c)1163 static int atomisp_camera_g_ext_ctrls(struct file *file, void *fh,
1164 struct v4l2_ext_controls *c)
1165 {
1166 struct video_device *vdev = video_devdata(file);
1167 struct atomisp_sub_device *asd = atomisp_to_video_pipe(vdev)->asd;
1168 struct v4l2_control ctrl;
1169 int i;
1170 int ret = 0;
1171
1172 for (i = 0; i < c->count; i++) {
1173 ctrl.id = c->controls[i].id;
1174 ctrl.value = c->controls[i].value;
1175 switch (ctrl.id) {
1176 case V4L2_CID_ZOOM_ABSOLUTE:
1177 ret = atomisp_digital_zoom(asd, 0, &ctrl.value);
1178 break;
1179 default:
1180 ret = -EINVAL;
1181 }
1182
1183 if (ret) {
1184 c->error_idx = i;
1185 break;
1186 }
1187 c->controls[i].value = ctrl.value;
1188 }
1189 return ret;
1190 }
1191
1192 /* 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)1193 static int atomisp_g_ext_ctrls(struct file *file, void *fh,
1194 struct v4l2_ext_controls *c)
1195 {
1196 struct v4l2_control ctrl;
1197 int i, ret = 0;
1198
1199 /*
1200 * input_lock is not need for the Camera related IOCTLs
1201 * The input_lock downgrade the FPS of 3A
1202 */
1203 ret = atomisp_camera_g_ext_ctrls(file, fh, c);
1204 if (ret != -EINVAL)
1205 return ret;
1206
1207 for (i = 0; i < c->count; i++) {
1208 ctrl.id = c->controls[i].id;
1209 ctrl.value = c->controls[i].value;
1210 ret = atomisp_g_ctrl(file, fh, &ctrl);
1211 c->controls[i].value = ctrl.value;
1212 if (ret) {
1213 c->error_idx = i;
1214 break;
1215 }
1216 }
1217 return ret;
1218 }
1219
atomisp_camera_s_ext_ctrls(struct file * file,void * fh,struct v4l2_ext_controls * c)1220 static int atomisp_camera_s_ext_ctrls(struct file *file, void *fh,
1221 struct v4l2_ext_controls *c)
1222 {
1223 struct video_device *vdev = video_devdata(file);
1224 struct atomisp_sub_device *asd = atomisp_to_video_pipe(vdev)->asd;
1225 struct v4l2_control ctrl;
1226 int i;
1227 int ret = 0;
1228
1229 for (i = 0; i < c->count; i++) {
1230 struct v4l2_ctrl *ctr;
1231
1232 ctrl.id = c->controls[i].id;
1233 ctrl.value = c->controls[i].value;
1234 switch (ctrl.id) {
1235 case V4L2_CID_ZOOM_ABSOLUTE:
1236 ret = atomisp_digital_zoom(asd, 1, &ctrl.value);
1237 break;
1238 default:
1239 ctr = v4l2_ctrl_find(&asd->ctrl_handler, ctrl.id);
1240 if (ctr)
1241 ret = v4l2_ctrl_s_ctrl(ctr, ctrl.value);
1242 else
1243 ret = -EINVAL;
1244 }
1245
1246 if (ret) {
1247 c->error_idx = i;
1248 break;
1249 }
1250 c->controls[i].value = ctrl.value;
1251 }
1252 return ret;
1253 }
1254
1255 /* 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)1256 static int atomisp_s_ext_ctrls(struct file *file, void *fh,
1257 struct v4l2_ext_controls *c)
1258 {
1259 struct v4l2_control ctrl;
1260 int i, ret = 0;
1261
1262 /*
1263 * input_lock is not need for the Camera related IOCTLs
1264 * The input_lock downgrade the FPS of 3A
1265 */
1266 ret = atomisp_camera_s_ext_ctrls(file, fh, c);
1267 if (ret != -EINVAL)
1268 return ret;
1269
1270 for (i = 0; i < c->count; i++) {
1271 ctrl.id = c->controls[i].id;
1272 ctrl.value = c->controls[i].value;
1273 ret = atomisp_s_ctrl(file, fh, &ctrl);
1274 c->controls[i].value = ctrl.value;
1275 if (ret) {
1276 c->error_idx = i;
1277 break;
1278 }
1279 }
1280 return ret;
1281 }
1282
1283 /*
1284 * vidioc_g/s_param are used to switch isp running mode
1285 */
atomisp_g_parm(struct file * file,void * fh,struct v4l2_streamparm * parm)1286 static int atomisp_g_parm(struct file *file, void *fh,
1287 struct v4l2_streamparm *parm)
1288 {
1289 struct video_device *vdev = video_devdata(file);
1290 struct atomisp_sub_device *asd = atomisp_to_video_pipe(vdev)->asd;
1291 struct atomisp_device *isp = video_get_drvdata(vdev);
1292
1293 if (parm->type != V4L2_BUF_TYPE_VIDEO_CAPTURE) {
1294 dev_err(isp->dev, "unsupported v4l2 buf type\n");
1295 return -EINVAL;
1296 }
1297
1298 parm->parm.capture.capturemode = asd->run_mode->val;
1299
1300 return 0;
1301 }
1302
atomisp_s_parm(struct file * file,void * fh,struct v4l2_streamparm * parm)1303 static int atomisp_s_parm(struct file *file, void *fh,
1304 struct v4l2_streamparm *parm)
1305 {
1306 struct video_device *vdev = video_devdata(file);
1307 struct atomisp_device *isp = video_get_drvdata(vdev);
1308 struct atomisp_sub_device *asd = atomisp_to_video_pipe(vdev)->asd;
1309 int mode;
1310 int rval;
1311 int fps;
1312
1313 if (parm->type != V4L2_BUF_TYPE_VIDEO_CAPTURE) {
1314 dev_err(isp->dev, "unsupported v4l2 buf type\n");
1315 return -EINVAL;
1316 }
1317
1318 asd->high_speed_mode = false;
1319 switch (parm->parm.capture.capturemode) {
1320 case CI_MODE_NONE: {
1321 struct v4l2_subdev_frame_interval fi = {0};
1322
1323 fi.interval = parm->parm.capture.timeperframe;
1324
1325 rval = v4l2_subdev_call_state_active(isp->inputs[asd->input_curr].csi_remote_source,
1326 pad, set_frame_interval, &fi);
1327 if (!rval)
1328 parm->parm.capture.timeperframe = fi.interval;
1329
1330 if (fi.interval.numerator != 0) {
1331 fps = fi.interval.denominator / fi.interval.numerator;
1332 if (fps > 30)
1333 asd->high_speed_mode = true;
1334 }
1335
1336 return rval == -ENOIOCTLCMD ? 0 : rval;
1337 }
1338 case CI_MODE_VIDEO:
1339 mode = ATOMISP_RUN_MODE_VIDEO;
1340 break;
1341 case CI_MODE_STILL_CAPTURE:
1342 mode = ATOMISP_RUN_MODE_STILL_CAPTURE;
1343 break;
1344 case CI_MODE_PREVIEW:
1345 mode = ATOMISP_RUN_MODE_PREVIEW;
1346 break;
1347 default:
1348 return -EINVAL;
1349 }
1350
1351 rval = v4l2_ctrl_s_ctrl(asd->run_mode, mode);
1352
1353 return rval == -ENOIOCTLCMD ? 0 : rval;
1354 }
1355
atomisp_vidioc_default(struct file * file,void * fh,bool valid_prio,unsigned int cmd,void * arg)1356 static long atomisp_vidioc_default(struct file *file, void *fh,
1357 bool valid_prio, unsigned int cmd, void *arg)
1358 {
1359 struct video_device *vdev = video_devdata(file);
1360 struct atomisp_sub_device *asd = atomisp_to_video_pipe(vdev)->asd;
1361 int err;
1362
1363 switch (cmd) {
1364 case ATOMISP_IOC_G_XNR:
1365 err = atomisp_xnr(asd, 0, arg);
1366 break;
1367
1368 case ATOMISP_IOC_S_XNR:
1369 err = atomisp_xnr(asd, 1, arg);
1370 break;
1371
1372 case ATOMISP_IOC_G_NR:
1373 err = atomisp_nr(asd, 0, arg);
1374 break;
1375
1376 case ATOMISP_IOC_S_NR:
1377 err = atomisp_nr(asd, 1, arg);
1378 break;
1379
1380 case ATOMISP_IOC_G_TNR:
1381 err = atomisp_tnr(asd, 0, arg);
1382 break;
1383
1384 case ATOMISP_IOC_S_TNR:
1385 err = atomisp_tnr(asd, 1, arg);
1386 break;
1387
1388 case ATOMISP_IOC_G_BLACK_LEVEL_COMP:
1389 err = atomisp_black_level(asd, 0, arg);
1390 break;
1391
1392 case ATOMISP_IOC_S_BLACK_LEVEL_COMP:
1393 err = atomisp_black_level(asd, 1, arg);
1394 break;
1395
1396 case ATOMISP_IOC_G_EE:
1397 err = atomisp_ee(asd, 0, arg);
1398 break;
1399
1400 case ATOMISP_IOC_S_EE:
1401 err = atomisp_ee(asd, 1, arg);
1402 break;
1403
1404 case ATOMISP_IOC_G_DIS_STAT:
1405 err = atomisp_get_dis_stat(asd, arg);
1406 break;
1407
1408 case ATOMISP_IOC_G_DVS2_BQ_RESOLUTIONS:
1409 err = atomisp_get_dvs2_bq_resolutions(asd, arg);
1410 break;
1411
1412 case ATOMISP_IOC_S_DIS_COEFS:
1413 err = atomisp_css_cp_dvs2_coefs(asd, arg,
1414 &asd->params.css_param, true);
1415 if (!err && arg)
1416 asd->params.css_update_params_needed = true;
1417 break;
1418
1419 case ATOMISP_IOC_S_DIS_VECTOR:
1420 err = atomisp_cp_dvs_6axis_config(asd, arg,
1421 &asd->params.css_param, true);
1422 if (!err && arg)
1423 asd->params.css_update_params_needed = true;
1424 break;
1425
1426 case ATOMISP_IOC_G_ISP_PARM:
1427 err = atomisp_param(asd, 0, arg);
1428 break;
1429
1430 case ATOMISP_IOC_S_ISP_PARM:
1431 err = atomisp_param(asd, 1, arg);
1432 break;
1433
1434 case ATOMISP_IOC_G_3A_STAT:
1435 err = atomisp_3a_stat(asd, 0, arg);
1436 break;
1437
1438 case ATOMISP_IOC_G_ISP_GAMMA:
1439 err = atomisp_gamma(asd, 0, arg);
1440 break;
1441
1442 case ATOMISP_IOC_S_ISP_GAMMA:
1443 err = atomisp_gamma(asd, 1, arg);
1444 break;
1445
1446 case ATOMISP_IOC_G_ISP_GDC_TAB:
1447 err = atomisp_gdc_cac_table(asd, 0, arg);
1448 break;
1449
1450 case ATOMISP_IOC_S_ISP_GDC_TAB:
1451 err = atomisp_gdc_cac_table(asd, 1, arg);
1452 break;
1453
1454 case ATOMISP_IOC_G_ISP_MACC:
1455 err = atomisp_macc_table(asd, 0, arg);
1456 break;
1457
1458 case ATOMISP_IOC_S_ISP_MACC:
1459 err = atomisp_macc_table(asd, 1, arg);
1460 break;
1461
1462 case ATOMISP_IOC_G_ISP_BAD_PIXEL_DETECTION:
1463 err = atomisp_bad_pixel_param(asd, 0, arg);
1464 break;
1465
1466 case ATOMISP_IOC_S_ISP_BAD_PIXEL_DETECTION:
1467 err = atomisp_bad_pixel_param(asd, 1, arg);
1468 break;
1469
1470 case ATOMISP_IOC_G_ISP_FALSE_COLOR_CORRECTION:
1471 err = atomisp_false_color_param(asd, 0, arg);
1472 break;
1473
1474 case ATOMISP_IOC_S_ISP_FALSE_COLOR_CORRECTION:
1475 err = atomisp_false_color_param(asd, 1, arg);
1476 break;
1477
1478 case ATOMISP_IOC_G_ISP_CTC:
1479 err = atomisp_ctc(asd, 0, arg);
1480 break;
1481
1482 case ATOMISP_IOC_S_ISP_CTC:
1483 err = atomisp_ctc(asd, 1, arg);
1484 break;
1485
1486 case ATOMISP_IOC_G_ISP_WHITE_BALANCE:
1487 err = atomisp_white_balance_param(asd, 0, arg);
1488 break;
1489
1490 case ATOMISP_IOC_S_ISP_WHITE_BALANCE:
1491 err = atomisp_white_balance_param(asd, 1, arg);
1492 break;
1493
1494 case ATOMISP_IOC_G_3A_CONFIG:
1495 err = atomisp_3a_config_param(asd, 0, arg);
1496 break;
1497
1498 case ATOMISP_IOC_S_3A_CONFIG:
1499 err = atomisp_3a_config_param(asd, 1, arg);
1500 break;
1501
1502 case ATOMISP_IOC_S_ISP_FPN_TABLE:
1503 err = atomisp_fixed_pattern_table(asd, arg);
1504 break;
1505
1506 case ATOMISP_IOC_S_ISP_SHD_TAB:
1507 err = atomisp_set_shading_table(asd, arg);
1508 break;
1509
1510 case ATOMISP_IOC_G_ISP_GAMMA_CORRECTION:
1511 err = atomisp_gamma_correction(asd, 0, arg);
1512 break;
1513
1514 case ATOMISP_IOC_S_ISP_GAMMA_CORRECTION:
1515 err = atomisp_gamma_correction(asd, 1, arg);
1516 break;
1517
1518 case ATOMISP_IOC_S_PARAMETERS:
1519 err = atomisp_set_parameters(vdev, arg);
1520 break;
1521
1522 case ATOMISP_IOC_EXP_ID_UNLOCK:
1523 err = atomisp_exp_id_unlock(asd, arg);
1524 break;
1525 case ATOMISP_IOC_EXP_ID_CAPTURE:
1526 err = atomisp_exp_id_capture(asd, arg);
1527 break;
1528 case ATOMISP_IOC_S_ENABLE_DZ_CAPT_PIPE:
1529 err = atomisp_enable_dz_capt_pipe(asd, arg);
1530 break;
1531 case ATOMISP_IOC_G_FORMATS_CONFIG:
1532 err = atomisp_formats(asd, 0, arg);
1533 break;
1534
1535 case ATOMISP_IOC_S_FORMATS_CONFIG:
1536 err = atomisp_formats(asd, 1, arg);
1537 break;
1538 case ATOMISP_IOC_INJECT_A_FAKE_EVENT:
1539 err = atomisp_inject_a_fake_event(asd, arg);
1540 break;
1541 case ATOMISP_IOC_S_ARRAY_RESOLUTION:
1542 err = atomisp_set_array_res(asd, arg);
1543 break;
1544 default:
1545 err = -EINVAL;
1546 break;
1547 }
1548
1549 return err;
1550 }
1551
1552 const struct v4l2_ioctl_ops atomisp_ioctl_ops = {
1553 .vidioc_querycap = atomisp_querycap,
1554 .vidioc_enum_input = atomisp_enum_input,
1555 .vidioc_g_input = atomisp_g_input,
1556 .vidioc_s_input = atomisp_s_input,
1557 .vidioc_query_ext_ctrl = atomisp_query_ext_ctrl,
1558 .vidioc_s_ext_ctrls = atomisp_s_ext_ctrls,
1559 .vidioc_g_ext_ctrls = atomisp_g_ext_ctrls,
1560 .vidioc_enum_framesizes = atomisp_enum_framesizes,
1561 .vidioc_enum_frameintervals = atomisp_enum_frameintervals,
1562 .vidioc_enum_fmt_vid_cap = atomisp_enum_fmt_cap,
1563 .vidioc_try_fmt_vid_cap = atomisp_try_fmt_cap,
1564 .vidioc_g_fmt_vid_cap = atomisp_g_fmt_cap,
1565 .vidioc_s_fmt_vid_cap = atomisp_s_fmt_cap,
1566 .vidioc_reqbufs = vb2_ioctl_reqbufs,
1567 .vidioc_querybuf = vb2_ioctl_querybuf,
1568 .vidioc_qbuf = atomisp_qbuf_wrapper,
1569 .vidioc_dqbuf = atomisp_dqbuf_wrapper,
1570 .vidioc_expbuf = vb2_ioctl_expbuf,
1571 .vidioc_streamon = vb2_ioctl_streamon,
1572 .vidioc_streamoff = vb2_ioctl_streamoff,
1573 .vidioc_default = atomisp_vidioc_default,
1574 .vidioc_s_parm = atomisp_s_parm,
1575 .vidioc_g_parm = atomisp_g_parm,
1576 };
1577