1 // SPDX-License-Identifier: GPL-2.0
2 /*
3 * Broadcom BCM2835 V4L2 driver
4 *
5 * Copyright © 2013 Raspberry Pi (Trading) Ltd.
6 *
7 * Authors: Vincent Sanders @ Collabora
8 * Dave Stevenson @ Broadcom
9 * (now dave.stevenson@raspberrypi.org)
10 * Simon Mellor @ Broadcom
11 * Luke Diamand @ Broadcom
12 */
13
14 #include <linux/errno.h>
15 #include <linux/kernel.h>
16 #include <linux/module.h>
17 #include <linux/slab.h>
18 #include <media/videobuf2-vmalloc.h>
19 #include <media/v4l2-device.h>
20 #include <media/v4l2-ioctl.h>
21 #include <media/v4l2-ctrls.h>
22 #include <media/v4l2-fh.h>
23 #include <media/v4l2-event.h>
24 #include <media/v4l2-common.h>
25
26 #include "../vchiq-mmal/mmal-common.h"
27 #include "../vchiq-mmal/mmal-vchiq.h"
28 #include "../vchiq-mmal/mmal-parameters.h"
29 #include "bcm2835-camera.h"
30
31 /* The supported V4L2_CID_AUTO_EXPOSURE_BIAS values are from -4.0 to +4.0.
32 * MMAL values are in 1/6th increments so the MMAL range is -24 to +24.
33 * V4L2 docs say value "is expressed in terms of EV, drivers should interpret
34 * the values as 0.001 EV units, where the value 1000 stands for +1 EV."
35 * V4L2 is limited to a max of 32 values in a menu, so count in 1/3rds from
36 * -4 to +4
37 */
38 static const s64 ev_bias_qmenu[] = {
39 -4000, -3667, -3333,
40 -3000, -2667, -2333,
41 -2000, -1667, -1333,
42 -1000, -667, -333,
43 0, 333, 667,
44 1000, 1333, 1667,
45 2000, 2333, 2667,
46 3000, 3333, 3667,
47 4000
48 };
49
50 /* Supported ISO values (*1000)
51 * ISOO = auto ISO
52 */
53 static const s64 iso_qmenu[] = {
54 0, 100000, 200000, 400000, 800000,
55 };
56
57 static const u32 iso_values[] = {
58 0, 100, 200, 400, 800,
59 };
60
61 enum bcm2835_mmal_ctrl_type {
62 MMAL_CONTROL_TYPE_STD,
63 MMAL_CONTROL_TYPE_STD_MENU,
64 MMAL_CONTROL_TYPE_INT_MENU,
65 MMAL_CONTROL_TYPE_CLUSTER, /* special cluster entry */
66 };
67
68 struct bcm2835_mmal_v4l2_ctrl {
69 u32 id; /* v4l2 control identifier */
70 enum bcm2835_mmal_ctrl_type type;
71 /* control minimum value or
72 * mask for MMAL_CONTROL_TYPE_STD_MENU
73 */
74 s64 min;
75 s64 max; /* maximum value of control */
76 s64 def; /* default value of control */
77 u64 step; /* step size of the control */
78 const s64 *imenu; /* integer menu array */
79 u32 mmal_id; /* mmal parameter id */
80 int (*setter)(struct bcm2835_mmal_dev *dev, struct v4l2_ctrl *ctrl,
81 const struct bcm2835_mmal_v4l2_ctrl *mmal_ctrl);
82 };
83
84 struct v4l2_to_mmal_effects_setting {
85 u32 v4l2_effect;
86 u32 mmal_effect;
87 s32 col_fx_enable;
88 s32 col_fx_fixed_cbcr;
89 u32 u;
90 u32 v;
91 u32 num_effect_params;
92 u32 effect_params[MMAL_MAX_IMAGEFX_PARAMETERS];
93 };
94
95 static const struct v4l2_to_mmal_effects_setting
96 v4l2_to_mmal_effects_values[] = {
97 { V4L2_COLORFX_NONE, MMAL_PARAM_IMAGEFX_NONE,
98 0, 0, 0, 0, 0, {0, 0, 0, 0, 0} },
99 { V4L2_COLORFX_BW, MMAL_PARAM_IMAGEFX_NONE,
100 1, 0, 128, 128, 0, {0, 0, 0, 0, 0} },
101 { V4L2_COLORFX_SEPIA, MMAL_PARAM_IMAGEFX_NONE,
102 1, 0, 87, 151, 0, {0, 0, 0, 0, 0} },
103 { V4L2_COLORFX_NEGATIVE, MMAL_PARAM_IMAGEFX_NEGATIVE,
104 0, 0, 0, 0, 0, {0, 0, 0, 0, 0} },
105 { V4L2_COLORFX_EMBOSS, MMAL_PARAM_IMAGEFX_EMBOSS,
106 0, 0, 0, 0, 0, {0, 0, 0, 0, 0} },
107 { V4L2_COLORFX_SKETCH, MMAL_PARAM_IMAGEFX_SKETCH,
108 0, 0, 0, 0, 0, {0, 0, 0, 0, 0} },
109 { V4L2_COLORFX_SKY_BLUE, MMAL_PARAM_IMAGEFX_PASTEL,
110 0, 0, 0, 0, 0, {0, 0, 0, 0, 0} },
111 { V4L2_COLORFX_GRASS_GREEN, MMAL_PARAM_IMAGEFX_WATERCOLOUR,
112 0, 0, 0, 0, 0, {0, 0, 0, 0, 0} },
113 { V4L2_COLORFX_SKIN_WHITEN, MMAL_PARAM_IMAGEFX_WASHEDOUT,
114 0, 0, 0, 0, 0, {0, 0, 0, 0, 0} },
115 { V4L2_COLORFX_VIVID, MMAL_PARAM_IMAGEFX_SATURATION,
116 0, 0, 0, 0, 0, {0, 0, 0, 0, 0} },
117 { V4L2_COLORFX_AQUA, MMAL_PARAM_IMAGEFX_NONE,
118 1, 0, 171, 121, 0, {0, 0, 0, 0, 0} },
119 { V4L2_COLORFX_ART_FREEZE, MMAL_PARAM_IMAGEFX_HATCH,
120 0, 0, 0, 0, 0, {0, 0, 0, 0, 0} },
121 { V4L2_COLORFX_SILHOUETTE, MMAL_PARAM_IMAGEFX_FILM,
122 0, 0, 0, 0, 0, {0, 0, 0, 0, 0} },
123 { V4L2_COLORFX_SOLARIZATION, MMAL_PARAM_IMAGEFX_SOLARIZE,
124 0, 0, 0, 0, 5, {1, 128, 160, 160, 48} },
125 { V4L2_COLORFX_ANTIQUE, MMAL_PARAM_IMAGEFX_COLOURBALANCE,
126 0, 0, 0, 0, 3, {108, 274, 238, 0, 0} },
127 { V4L2_COLORFX_SET_CBCR, MMAL_PARAM_IMAGEFX_NONE,
128 1, 1, 0, 0, 0, {0, 0, 0, 0, 0} }
129 };
130
131 struct v4l2_mmal_scene_config {
132 enum v4l2_scene_mode v4l2_scene;
133 enum mmal_parameter_exposuremode exposure_mode;
134 enum mmal_parameter_exposuremeteringmode metering_mode;
135 };
136
137 static const struct v4l2_mmal_scene_config scene_configs[] = {
138 /* V4L2_SCENE_MODE_NONE automatically added */
139 {
140 V4L2_SCENE_MODE_NIGHT,
141 MMAL_PARAM_EXPOSUREMODE_NIGHT,
142 MMAL_PARAM_EXPOSUREMETERINGMODE_AVERAGE
143 },
144 {
145 V4L2_SCENE_MODE_SPORTS,
146 MMAL_PARAM_EXPOSUREMODE_SPORTS,
147 MMAL_PARAM_EXPOSUREMETERINGMODE_AVERAGE
148 },
149 };
150
151 /* control handlers*/
152
ctrl_set_rational(struct bcm2835_mmal_dev * dev,struct v4l2_ctrl * ctrl,const struct bcm2835_mmal_v4l2_ctrl * mmal_ctrl)153 static int ctrl_set_rational(struct bcm2835_mmal_dev *dev,
154 struct v4l2_ctrl *ctrl,
155 const struct bcm2835_mmal_v4l2_ctrl *mmal_ctrl)
156 {
157 struct s32_fract rational_value;
158 struct vchiq_mmal_port *control;
159
160 control = &dev->component[COMP_CAMERA]->control;
161
162 rational_value.numerator = ctrl->val;
163 rational_value.denominator = 100;
164
165 return vchiq_mmal_port_parameter_set(dev->instance, control,
166 mmal_ctrl->mmal_id,
167 &rational_value,
168 sizeof(rational_value));
169 }
170
ctrl_set_value(struct bcm2835_mmal_dev * dev,struct v4l2_ctrl * ctrl,const struct bcm2835_mmal_v4l2_ctrl * mmal_ctrl)171 static int ctrl_set_value(struct bcm2835_mmal_dev *dev,
172 struct v4l2_ctrl *ctrl,
173 const struct bcm2835_mmal_v4l2_ctrl *mmal_ctrl)
174 {
175 u32 u32_value;
176 struct vchiq_mmal_port *control;
177
178 control = &dev->component[COMP_CAMERA]->control;
179
180 u32_value = ctrl->val;
181
182 return vchiq_mmal_port_parameter_set(dev->instance, control,
183 mmal_ctrl->mmal_id,
184 &u32_value, sizeof(u32_value));
185 }
186
ctrl_set_iso(struct bcm2835_mmal_dev * dev,struct v4l2_ctrl * ctrl,const struct bcm2835_mmal_v4l2_ctrl * mmal_ctrl)187 static int ctrl_set_iso(struct bcm2835_mmal_dev *dev,
188 struct v4l2_ctrl *ctrl,
189 const struct bcm2835_mmal_v4l2_ctrl *mmal_ctrl)
190 {
191 u32 u32_value;
192 struct vchiq_mmal_port *control;
193
194 if (ctrl->val > mmal_ctrl->max || ctrl->val < mmal_ctrl->min)
195 return 1;
196
197 if (ctrl->id == V4L2_CID_ISO_SENSITIVITY)
198 dev->iso = iso_values[ctrl->val];
199 else if (ctrl->id == V4L2_CID_ISO_SENSITIVITY_AUTO)
200 dev->manual_iso_enabled =
201 (ctrl->val == V4L2_ISO_SENSITIVITY_MANUAL);
202
203 control = &dev->component[COMP_CAMERA]->control;
204
205 if (dev->manual_iso_enabled)
206 u32_value = dev->iso;
207 else
208 u32_value = 0;
209
210 return vchiq_mmal_port_parameter_set(dev->instance, control,
211 MMAL_PARAMETER_ISO,
212 &u32_value, sizeof(u32_value));
213 }
214
ctrl_set_value_ev(struct bcm2835_mmal_dev * dev,struct v4l2_ctrl * ctrl,const struct bcm2835_mmal_v4l2_ctrl * mmal_ctrl)215 static int ctrl_set_value_ev(struct bcm2835_mmal_dev *dev,
216 struct v4l2_ctrl *ctrl,
217 const struct bcm2835_mmal_v4l2_ctrl *mmal_ctrl)
218 {
219 s32 s32_value;
220 struct vchiq_mmal_port *control;
221
222 control = &dev->component[COMP_CAMERA]->control;
223
224 s32_value = (ctrl->val - 12) * 2; /* Convert from index to 1/6ths */
225
226 return vchiq_mmal_port_parameter_set(dev->instance, control,
227 mmal_ctrl->mmal_id,
228 &s32_value, sizeof(s32_value));
229 }
230
ctrl_set_rotate(struct bcm2835_mmal_dev * dev,struct v4l2_ctrl * ctrl,const struct bcm2835_mmal_v4l2_ctrl * mmal_ctrl)231 static int ctrl_set_rotate(struct bcm2835_mmal_dev *dev,
232 struct v4l2_ctrl *ctrl,
233 const struct bcm2835_mmal_v4l2_ctrl *mmal_ctrl)
234 {
235 int ret;
236 u32 u32_value;
237 struct vchiq_mmal_component *camera;
238
239 camera = dev->component[COMP_CAMERA];
240
241 u32_value = ((ctrl->val % 360) / 90) * 90;
242
243 ret = vchiq_mmal_port_parameter_set(dev->instance, &camera->output[0],
244 mmal_ctrl->mmal_id,
245 &u32_value, sizeof(u32_value));
246 if (ret < 0)
247 return ret;
248
249 ret = vchiq_mmal_port_parameter_set(dev->instance, &camera->output[1],
250 mmal_ctrl->mmal_id,
251 &u32_value, sizeof(u32_value));
252 if (ret < 0)
253 return ret;
254
255 return vchiq_mmal_port_parameter_set(dev->instance, &camera->output[2],
256 mmal_ctrl->mmal_id,
257 &u32_value, sizeof(u32_value));
258 }
259
ctrl_set_flip(struct bcm2835_mmal_dev * dev,struct v4l2_ctrl * ctrl,const struct bcm2835_mmal_v4l2_ctrl * mmal_ctrl)260 static int ctrl_set_flip(struct bcm2835_mmal_dev *dev,
261 struct v4l2_ctrl *ctrl,
262 const struct bcm2835_mmal_v4l2_ctrl *mmal_ctrl)
263 {
264 int ret;
265 u32 u32_value;
266 struct vchiq_mmal_component *camera;
267
268 if (ctrl->id == V4L2_CID_HFLIP)
269 dev->hflip = ctrl->val;
270 else
271 dev->vflip = ctrl->val;
272
273 camera = dev->component[COMP_CAMERA];
274
275 if (dev->hflip && dev->vflip)
276 u32_value = MMAL_PARAM_MIRROR_BOTH;
277 else if (dev->hflip)
278 u32_value = MMAL_PARAM_MIRROR_HORIZONTAL;
279 else if (dev->vflip)
280 u32_value = MMAL_PARAM_MIRROR_VERTICAL;
281 else
282 u32_value = MMAL_PARAM_MIRROR_NONE;
283
284 ret = vchiq_mmal_port_parameter_set(dev->instance, &camera->output[0],
285 mmal_ctrl->mmal_id,
286 &u32_value, sizeof(u32_value));
287 if (ret < 0)
288 return ret;
289
290 ret = vchiq_mmal_port_parameter_set(dev->instance, &camera->output[1],
291 mmal_ctrl->mmal_id,
292 &u32_value, sizeof(u32_value));
293 if (ret < 0)
294 return ret;
295
296 return vchiq_mmal_port_parameter_set(dev->instance, &camera->output[2],
297 mmal_ctrl->mmal_id,
298 &u32_value, sizeof(u32_value));
299 }
300
ctrl_set_exposure(struct bcm2835_mmal_dev * dev,struct v4l2_ctrl * ctrl,const struct bcm2835_mmal_v4l2_ctrl * mmal_ctrl)301 static int ctrl_set_exposure(struct bcm2835_mmal_dev *dev,
302 struct v4l2_ctrl *ctrl,
303 const struct bcm2835_mmal_v4l2_ctrl *mmal_ctrl)
304 {
305 enum mmal_parameter_exposuremode exp_mode = dev->exposure_mode_user;
306 u32 shutter_speed = 0;
307 struct vchiq_mmal_port *control;
308 int ret = 0;
309
310 control = &dev->component[COMP_CAMERA]->control;
311
312 if (mmal_ctrl->mmal_id == MMAL_PARAMETER_SHUTTER_SPEED) {
313 /* V4L2 is in 100usec increments.
314 * MMAL is 1usec.
315 */
316 dev->manual_shutter_speed = ctrl->val * 100;
317 } else if (mmal_ctrl->mmal_id == MMAL_PARAMETER_EXPOSURE_MODE) {
318 switch (ctrl->val) {
319 case V4L2_EXPOSURE_AUTO:
320 exp_mode = MMAL_PARAM_EXPOSUREMODE_AUTO;
321 break;
322
323 case V4L2_EXPOSURE_MANUAL:
324 exp_mode = MMAL_PARAM_EXPOSUREMODE_OFF;
325 break;
326 }
327 dev->exposure_mode_user = exp_mode;
328 dev->exposure_mode_v4l2_user = ctrl->val;
329 } else if (mmal_ctrl->id == V4L2_CID_EXPOSURE_AUTO_PRIORITY) {
330 dev->exp_auto_priority = ctrl->val;
331 }
332
333 if (dev->scene_mode == V4L2_SCENE_MODE_NONE) {
334 if (exp_mode == MMAL_PARAM_EXPOSUREMODE_OFF)
335 shutter_speed = dev->manual_shutter_speed;
336
337 ret = vchiq_mmal_port_parameter_set(dev->instance,
338 control,
339 MMAL_PARAMETER_SHUTTER_SPEED,
340 &shutter_speed,
341 sizeof(shutter_speed));
342 ret += vchiq_mmal_port_parameter_set(dev->instance,
343 control,
344 MMAL_PARAMETER_EXPOSURE_MODE,
345 &exp_mode,
346 sizeof(u32));
347 dev->exposure_mode_active = exp_mode;
348 }
349 /* exposure_dynamic_framerate (V4L2_CID_EXPOSURE_AUTO_PRIORITY) should
350 * always apply irrespective of scene mode.
351 */
352 ret += set_framerate_params(dev);
353
354 return ret;
355 }
356
ctrl_set_metering_mode(struct bcm2835_mmal_dev * dev,struct v4l2_ctrl * ctrl,const struct bcm2835_mmal_v4l2_ctrl * mmal_ctrl)357 static int ctrl_set_metering_mode(struct bcm2835_mmal_dev *dev,
358 struct v4l2_ctrl *ctrl,
359 const struct bcm2835_mmal_v4l2_ctrl *mmal_ctrl)
360 {
361 switch (ctrl->val) {
362 case V4L2_EXPOSURE_METERING_AVERAGE:
363 dev->metering_mode = MMAL_PARAM_EXPOSUREMETERINGMODE_AVERAGE;
364 break;
365
366 case V4L2_EXPOSURE_METERING_CENTER_WEIGHTED:
367 dev->metering_mode = MMAL_PARAM_EXPOSUREMETERINGMODE_BACKLIT;
368 break;
369
370 case V4L2_EXPOSURE_METERING_SPOT:
371 dev->metering_mode = MMAL_PARAM_EXPOSUREMETERINGMODE_SPOT;
372 break;
373
374 case V4L2_EXPOSURE_METERING_MATRIX:
375 dev->metering_mode = MMAL_PARAM_EXPOSUREMETERINGMODE_MATRIX;
376 break;
377 }
378
379 if (dev->scene_mode == V4L2_SCENE_MODE_NONE) {
380 struct vchiq_mmal_port *control;
381 u32 u32_value = dev->metering_mode;
382
383 control = &dev->component[COMP_CAMERA]->control;
384
385 return vchiq_mmal_port_parameter_set(dev->instance, control,
386 mmal_ctrl->mmal_id,
387 &u32_value, sizeof(u32_value));
388 } else {
389 return 0;
390 }
391 }
392
ctrl_set_flicker_avoidance(struct bcm2835_mmal_dev * dev,struct v4l2_ctrl * ctrl,const struct bcm2835_mmal_v4l2_ctrl * mmal_ctrl)393 static int ctrl_set_flicker_avoidance(struct bcm2835_mmal_dev *dev,
394 struct v4l2_ctrl *ctrl,
395 const struct bcm2835_mmal_v4l2_ctrl *mmal_ctrl)
396 {
397 u32 u32_value;
398 struct vchiq_mmal_port *control;
399
400 control = &dev->component[COMP_CAMERA]->control;
401
402 switch (ctrl->val) {
403 case V4L2_CID_POWER_LINE_FREQUENCY_DISABLED:
404 u32_value = MMAL_PARAM_FLICKERAVOID_OFF;
405 break;
406 case V4L2_CID_POWER_LINE_FREQUENCY_50HZ:
407 u32_value = MMAL_PARAM_FLICKERAVOID_50HZ;
408 break;
409 case V4L2_CID_POWER_LINE_FREQUENCY_60HZ:
410 u32_value = MMAL_PARAM_FLICKERAVOID_60HZ;
411 break;
412 case V4L2_CID_POWER_LINE_FREQUENCY_AUTO:
413 u32_value = MMAL_PARAM_FLICKERAVOID_AUTO;
414 break;
415 }
416
417 return vchiq_mmal_port_parameter_set(dev->instance, control,
418 mmal_ctrl->mmal_id,
419 &u32_value, sizeof(u32_value));
420 }
421
ctrl_set_awb_mode(struct bcm2835_mmal_dev * dev,struct v4l2_ctrl * ctrl,const struct bcm2835_mmal_v4l2_ctrl * mmal_ctrl)422 static int ctrl_set_awb_mode(struct bcm2835_mmal_dev *dev,
423 struct v4l2_ctrl *ctrl,
424 const struct bcm2835_mmal_v4l2_ctrl *mmal_ctrl)
425 {
426 u32 u32_value;
427 struct vchiq_mmal_port *control;
428
429 control = &dev->component[COMP_CAMERA]->control;
430
431 switch (ctrl->val) {
432 case V4L2_WHITE_BALANCE_MANUAL:
433 u32_value = MMAL_PARAM_AWBMODE_OFF;
434 break;
435
436 case V4L2_WHITE_BALANCE_AUTO:
437 u32_value = MMAL_PARAM_AWBMODE_AUTO;
438 break;
439
440 case V4L2_WHITE_BALANCE_INCANDESCENT:
441 u32_value = MMAL_PARAM_AWBMODE_INCANDESCENT;
442 break;
443
444 case V4L2_WHITE_BALANCE_FLUORESCENT:
445 u32_value = MMAL_PARAM_AWBMODE_FLUORESCENT;
446 break;
447
448 case V4L2_WHITE_BALANCE_FLUORESCENT_H:
449 u32_value = MMAL_PARAM_AWBMODE_TUNGSTEN;
450 break;
451
452 case V4L2_WHITE_BALANCE_HORIZON:
453 u32_value = MMAL_PARAM_AWBMODE_HORIZON;
454 break;
455
456 case V4L2_WHITE_BALANCE_DAYLIGHT:
457 u32_value = MMAL_PARAM_AWBMODE_SUNLIGHT;
458 break;
459
460 case V4L2_WHITE_BALANCE_FLASH:
461 u32_value = MMAL_PARAM_AWBMODE_FLASH;
462 break;
463
464 case V4L2_WHITE_BALANCE_CLOUDY:
465 u32_value = MMAL_PARAM_AWBMODE_CLOUDY;
466 break;
467
468 case V4L2_WHITE_BALANCE_SHADE:
469 u32_value = MMAL_PARAM_AWBMODE_SHADE;
470 break;
471 }
472
473 return vchiq_mmal_port_parameter_set(dev->instance, control,
474 mmal_ctrl->mmal_id,
475 &u32_value, sizeof(u32_value));
476 }
477
ctrl_set_awb_gains(struct bcm2835_mmal_dev * dev,struct v4l2_ctrl * ctrl,const struct bcm2835_mmal_v4l2_ctrl * mmal_ctrl)478 static int ctrl_set_awb_gains(struct bcm2835_mmal_dev *dev,
479 struct v4l2_ctrl *ctrl,
480 const struct bcm2835_mmal_v4l2_ctrl *mmal_ctrl)
481 {
482 struct vchiq_mmal_port *control;
483 struct mmal_parameter_awbgains gains;
484
485 control = &dev->component[COMP_CAMERA]->control;
486
487 if (ctrl->id == V4L2_CID_RED_BALANCE)
488 dev->red_gain = ctrl->val;
489 else if (ctrl->id == V4L2_CID_BLUE_BALANCE)
490 dev->blue_gain = ctrl->val;
491
492 gains.r_gain.numerator = dev->red_gain;
493 gains.r_gain.denominator = 1000;
494 gains.b_gain.numerator = dev->blue_gain;
495 gains.b_gain.denominator = 1000;
496
497 return vchiq_mmal_port_parameter_set(dev->instance, control,
498 mmal_ctrl->mmal_id,
499 &gains, sizeof(gains));
500 }
501
ctrl_set_image_effect(struct bcm2835_mmal_dev * dev,struct v4l2_ctrl * ctrl,const struct bcm2835_mmal_v4l2_ctrl * mmal_ctrl)502 static int ctrl_set_image_effect(struct bcm2835_mmal_dev *dev,
503 struct v4l2_ctrl *ctrl,
504 const struct bcm2835_mmal_v4l2_ctrl *mmal_ctrl)
505 {
506 int ret = -EINVAL;
507 int i, j;
508 struct vchiq_mmal_port *control;
509 struct mmal_parameter_imagefx_parameters imagefx;
510
511 for (i = 0; i < ARRAY_SIZE(v4l2_to_mmal_effects_values); i++) {
512 if (ctrl->val != v4l2_to_mmal_effects_values[i].v4l2_effect)
513 continue;
514
515 imagefx.effect =
516 v4l2_to_mmal_effects_values[i].mmal_effect;
517 imagefx.num_effect_params =
518 v4l2_to_mmal_effects_values[i].num_effect_params;
519
520 if (imagefx.num_effect_params > MMAL_MAX_IMAGEFX_PARAMETERS)
521 imagefx.num_effect_params = MMAL_MAX_IMAGEFX_PARAMETERS;
522
523 for (j = 0; j < imagefx.num_effect_params; j++)
524 imagefx.effect_parameter[j] =
525 v4l2_to_mmal_effects_values[i].effect_params[j];
526
527 dev->colourfx.enable =
528 v4l2_to_mmal_effects_values[i].col_fx_enable;
529 if (!v4l2_to_mmal_effects_values[i].col_fx_fixed_cbcr) {
530 dev->colourfx.u = v4l2_to_mmal_effects_values[i].u;
531 dev->colourfx.v = v4l2_to_mmal_effects_values[i].v;
532 }
533
534 control = &dev->component[COMP_CAMERA]->control;
535
536 ret = vchiq_mmal_port_parameter_set(
537 dev->instance, control,
538 MMAL_PARAMETER_IMAGE_EFFECT_PARAMETERS,
539 &imagefx, sizeof(imagefx));
540 if (ret)
541 goto exit;
542
543 ret = vchiq_mmal_port_parameter_set(
544 dev->instance, control,
545 MMAL_PARAMETER_COLOUR_EFFECT,
546 &dev->colourfx, sizeof(dev->colourfx));
547 }
548
549 exit:
550 v4l2_dbg(1, bcm2835_v4l2_debug, &dev->v4l2_dev,
551 "mmal_ctrl:%p ctrl id:0x%x ctrl val:%d imagefx:0x%x color_effect:%s u:%d v:%d ret %d(%d)\n",
552 mmal_ctrl, ctrl->id, ctrl->val, imagefx.effect,
553 dev->colourfx.enable ? "true" : "false",
554 dev->colourfx.u, dev->colourfx.v,
555 ret, (ret == 0 ? 0 : -EINVAL));
556 return (ret == 0 ? 0 : -EINVAL);
557 }
558
ctrl_set_colfx(struct bcm2835_mmal_dev * dev,struct v4l2_ctrl * ctrl,const struct bcm2835_mmal_v4l2_ctrl * mmal_ctrl)559 static int ctrl_set_colfx(struct bcm2835_mmal_dev *dev,
560 struct v4l2_ctrl *ctrl,
561 const struct bcm2835_mmal_v4l2_ctrl *mmal_ctrl)
562 {
563 int ret;
564 struct vchiq_mmal_port *control;
565
566 control = &dev->component[COMP_CAMERA]->control;
567
568 dev->colourfx.u = (ctrl->val & 0xff00) >> 8;
569 dev->colourfx.v = ctrl->val & 0xff;
570
571 ret = vchiq_mmal_port_parameter_set(dev->instance, control,
572 MMAL_PARAMETER_COLOUR_EFFECT,
573 &dev->colourfx,
574 sizeof(dev->colourfx));
575
576 v4l2_dbg(1, bcm2835_v4l2_debug, &dev->v4l2_dev,
577 "%s: After: mmal_ctrl:%p ctrl id:0x%x ctrl val:%d ret %d(%d)\n",
578 __func__, mmal_ctrl, ctrl->id, ctrl->val, ret,
579 (ret == 0 ? 0 : -EINVAL));
580 return (ret == 0 ? 0 : -EINVAL);
581 }
582
ctrl_set_bitrate(struct bcm2835_mmal_dev * dev,struct v4l2_ctrl * ctrl,const struct bcm2835_mmal_v4l2_ctrl * mmal_ctrl)583 static int ctrl_set_bitrate(struct bcm2835_mmal_dev *dev,
584 struct v4l2_ctrl *ctrl,
585 const struct bcm2835_mmal_v4l2_ctrl *mmal_ctrl)
586 {
587 int ret;
588 struct vchiq_mmal_port *encoder_out;
589
590 dev->capture.encode_bitrate = ctrl->val;
591
592 encoder_out = &dev->component[COMP_VIDEO_ENCODE]->output[0];
593
594 ret = vchiq_mmal_port_parameter_set(dev->instance, encoder_out,
595 mmal_ctrl->mmal_id, &ctrl->val,
596 sizeof(ctrl->val));
597
598 v4l2_dbg(1, bcm2835_v4l2_debug, &dev->v4l2_dev,
599 "%s: After: mmal_ctrl:%p ctrl id:0x%x ctrl val:%d ret %d(%d)\n",
600 __func__, mmal_ctrl, ctrl->id, ctrl->val, ret,
601 (ret == 0 ? 0 : -EINVAL));
602
603 /*
604 * Older firmware versions (pre July 2019) have a bug in handling
605 * MMAL_PARAMETER_VIDEO_BIT_RATE that result in the call
606 * returning -MMAL_MSG_STATUS_EINVAL. So ignore errors from this call.
607 */
608 return 0;
609 }
610
ctrl_set_bitrate_mode(struct bcm2835_mmal_dev * dev,struct v4l2_ctrl * ctrl,const struct bcm2835_mmal_v4l2_ctrl * mmal_ctrl)611 static int ctrl_set_bitrate_mode(struct bcm2835_mmal_dev *dev,
612 struct v4l2_ctrl *ctrl,
613 const struct bcm2835_mmal_v4l2_ctrl *mmal_ctrl)
614 {
615 u32 bitrate_mode;
616 struct vchiq_mmal_port *encoder_out;
617
618 encoder_out = &dev->component[COMP_VIDEO_ENCODE]->output[0];
619
620 dev->capture.encode_bitrate_mode = ctrl->val;
621 switch (ctrl->val) {
622 default:
623 case V4L2_MPEG_VIDEO_BITRATE_MODE_VBR:
624 bitrate_mode = MMAL_VIDEO_RATECONTROL_VARIABLE;
625 break;
626 case V4L2_MPEG_VIDEO_BITRATE_MODE_CBR:
627 bitrate_mode = MMAL_VIDEO_RATECONTROL_CONSTANT;
628 break;
629 }
630
631 vchiq_mmal_port_parameter_set(dev->instance, encoder_out,
632 mmal_ctrl->mmal_id,
633 &bitrate_mode,
634 sizeof(bitrate_mode));
635 return 0;
636 }
637
ctrl_set_image_encode_output(struct bcm2835_mmal_dev * dev,struct v4l2_ctrl * ctrl,const struct bcm2835_mmal_v4l2_ctrl * mmal_ctrl)638 static int ctrl_set_image_encode_output(struct bcm2835_mmal_dev *dev,
639 struct v4l2_ctrl *ctrl,
640 const struct bcm2835_mmal_v4l2_ctrl *mmal_ctrl)
641 {
642 u32 u32_value;
643 struct vchiq_mmal_port *jpeg_out;
644
645 jpeg_out = &dev->component[COMP_IMAGE_ENCODE]->output[0];
646
647 u32_value = ctrl->val;
648
649 return vchiq_mmal_port_parameter_set(dev->instance, jpeg_out,
650 mmal_ctrl->mmal_id,
651 &u32_value, sizeof(u32_value));
652 }
653
ctrl_set_video_encode_param_output(struct bcm2835_mmal_dev * dev,struct v4l2_ctrl * ctrl,const struct bcm2835_mmal_v4l2_ctrl * mmal_ctrl)654 static int ctrl_set_video_encode_param_output(struct bcm2835_mmal_dev *dev,
655 struct v4l2_ctrl *ctrl,
656 const struct bcm2835_mmal_v4l2_ctrl *mmal_ctrl)
657 {
658 u32 u32_value;
659 struct vchiq_mmal_port *vid_enc_ctl;
660
661 vid_enc_ctl = &dev->component[COMP_VIDEO_ENCODE]->output[0];
662
663 u32_value = ctrl->val;
664
665 return vchiq_mmal_port_parameter_set(dev->instance, vid_enc_ctl,
666 mmal_ctrl->mmal_id,
667 &u32_value, sizeof(u32_value));
668 }
669
ctrl_set_video_encode_profile_level(struct bcm2835_mmal_dev * dev,struct v4l2_ctrl * ctrl,const struct bcm2835_mmal_v4l2_ctrl * mmal_ctrl)670 static int ctrl_set_video_encode_profile_level(struct bcm2835_mmal_dev *dev,
671 struct v4l2_ctrl *ctrl,
672 const struct bcm2835_mmal_v4l2_ctrl *mmal_ctrl)
673 {
674 struct mmal_parameter_video_profile param;
675 int ret = 0;
676
677 if (ctrl->id == V4L2_CID_MPEG_VIDEO_H264_PROFILE) {
678 switch (ctrl->val) {
679 case V4L2_MPEG_VIDEO_H264_PROFILE_BASELINE:
680 case V4L2_MPEG_VIDEO_H264_PROFILE_CONSTRAINED_BASELINE:
681 case V4L2_MPEG_VIDEO_H264_PROFILE_MAIN:
682 case V4L2_MPEG_VIDEO_H264_PROFILE_HIGH:
683 dev->capture.enc_profile = ctrl->val;
684 break;
685 default:
686 ret = -EINVAL;
687 break;
688 }
689 } else if (ctrl->id == V4L2_CID_MPEG_VIDEO_H264_LEVEL) {
690 switch (ctrl->val) {
691 case V4L2_MPEG_VIDEO_H264_LEVEL_1_0:
692 case V4L2_MPEG_VIDEO_H264_LEVEL_1B:
693 case V4L2_MPEG_VIDEO_H264_LEVEL_1_1:
694 case V4L2_MPEG_VIDEO_H264_LEVEL_1_2:
695 case V4L2_MPEG_VIDEO_H264_LEVEL_1_3:
696 case V4L2_MPEG_VIDEO_H264_LEVEL_2_0:
697 case V4L2_MPEG_VIDEO_H264_LEVEL_2_1:
698 case V4L2_MPEG_VIDEO_H264_LEVEL_2_2:
699 case V4L2_MPEG_VIDEO_H264_LEVEL_3_0:
700 case V4L2_MPEG_VIDEO_H264_LEVEL_3_1:
701 case V4L2_MPEG_VIDEO_H264_LEVEL_3_2:
702 case V4L2_MPEG_VIDEO_H264_LEVEL_4_0:
703 dev->capture.enc_level = ctrl->val;
704 break;
705 default:
706 ret = -EINVAL;
707 break;
708 }
709 }
710
711 if (!ret) {
712 switch (dev->capture.enc_profile) {
713 case V4L2_MPEG_VIDEO_H264_PROFILE_BASELINE:
714 param.profile = MMAL_VIDEO_PROFILE_H264_BASELINE;
715 break;
716 case V4L2_MPEG_VIDEO_H264_PROFILE_CONSTRAINED_BASELINE:
717 param.profile =
718 MMAL_VIDEO_PROFILE_H264_CONSTRAINED_BASELINE;
719 break;
720 case V4L2_MPEG_VIDEO_H264_PROFILE_MAIN:
721 param.profile = MMAL_VIDEO_PROFILE_H264_MAIN;
722 break;
723 case V4L2_MPEG_VIDEO_H264_PROFILE_HIGH:
724 param.profile = MMAL_VIDEO_PROFILE_H264_HIGH;
725 break;
726 default:
727 /* Should never get here */
728 break;
729 }
730
731 switch (dev->capture.enc_level) {
732 case V4L2_MPEG_VIDEO_H264_LEVEL_1_0:
733 param.level = MMAL_VIDEO_LEVEL_H264_1;
734 break;
735 case V4L2_MPEG_VIDEO_H264_LEVEL_1B:
736 param.level = MMAL_VIDEO_LEVEL_H264_1b;
737 break;
738 case V4L2_MPEG_VIDEO_H264_LEVEL_1_1:
739 param.level = MMAL_VIDEO_LEVEL_H264_11;
740 break;
741 case V4L2_MPEG_VIDEO_H264_LEVEL_1_2:
742 param.level = MMAL_VIDEO_LEVEL_H264_12;
743 break;
744 case V4L2_MPEG_VIDEO_H264_LEVEL_1_3:
745 param.level = MMAL_VIDEO_LEVEL_H264_13;
746 break;
747 case V4L2_MPEG_VIDEO_H264_LEVEL_2_0:
748 param.level = MMAL_VIDEO_LEVEL_H264_2;
749 break;
750 case V4L2_MPEG_VIDEO_H264_LEVEL_2_1:
751 param.level = MMAL_VIDEO_LEVEL_H264_21;
752 break;
753 case V4L2_MPEG_VIDEO_H264_LEVEL_2_2:
754 param.level = MMAL_VIDEO_LEVEL_H264_22;
755 break;
756 case V4L2_MPEG_VIDEO_H264_LEVEL_3_0:
757 param.level = MMAL_VIDEO_LEVEL_H264_3;
758 break;
759 case V4L2_MPEG_VIDEO_H264_LEVEL_3_1:
760 param.level = MMAL_VIDEO_LEVEL_H264_31;
761 break;
762 case V4L2_MPEG_VIDEO_H264_LEVEL_3_2:
763 param.level = MMAL_VIDEO_LEVEL_H264_32;
764 break;
765 case V4L2_MPEG_VIDEO_H264_LEVEL_4_0:
766 param.level = MMAL_VIDEO_LEVEL_H264_4;
767 break;
768 default:
769 /* Should never get here */
770 break;
771 }
772
773 ret = vchiq_mmal_port_parameter_set(dev->instance,
774 &dev->component[COMP_VIDEO_ENCODE]->output[0],
775 mmal_ctrl->mmal_id,
776 ¶m, sizeof(param));
777 }
778 return ret;
779 }
780
ctrl_set_scene_mode(struct bcm2835_mmal_dev * dev,struct v4l2_ctrl * ctrl,const struct bcm2835_mmal_v4l2_ctrl * mmal_ctrl)781 static int ctrl_set_scene_mode(struct bcm2835_mmal_dev *dev,
782 struct v4l2_ctrl *ctrl,
783 const struct bcm2835_mmal_v4l2_ctrl *mmal_ctrl)
784 {
785 int ret = 0;
786 int shutter_speed;
787 struct vchiq_mmal_port *control;
788
789 v4l2_dbg(0, bcm2835_v4l2_debug, &dev->v4l2_dev,
790 "scene mode selected %d, was %d\n", ctrl->val,
791 dev->scene_mode);
792 control = &dev->component[COMP_CAMERA]->control;
793
794 if (ctrl->val == dev->scene_mode)
795 return 0;
796
797 if (ctrl->val == V4L2_SCENE_MODE_NONE) {
798 /* Restore all user selections */
799 dev->scene_mode = V4L2_SCENE_MODE_NONE;
800
801 if (dev->exposure_mode_user == MMAL_PARAM_EXPOSUREMODE_OFF)
802 shutter_speed = dev->manual_shutter_speed;
803 else
804 shutter_speed = 0;
805
806 v4l2_dbg(0, bcm2835_v4l2_debug, &dev->v4l2_dev,
807 "%s: scene mode none: shut_speed %d, exp_mode %d, metering %d\n",
808 __func__, shutter_speed, dev->exposure_mode_user,
809 dev->metering_mode);
810 ret = vchiq_mmal_port_parameter_set(dev->instance,
811 control,
812 MMAL_PARAMETER_SHUTTER_SPEED,
813 &shutter_speed,
814 sizeof(shutter_speed));
815 ret += vchiq_mmal_port_parameter_set(dev->instance,
816 control,
817 MMAL_PARAMETER_EXPOSURE_MODE,
818 &dev->exposure_mode_user,
819 sizeof(u32));
820 dev->exposure_mode_active = dev->exposure_mode_user;
821 ret += vchiq_mmal_port_parameter_set(dev->instance,
822 control,
823 MMAL_PARAMETER_EXP_METERING_MODE,
824 &dev->metering_mode,
825 sizeof(u32));
826 ret += set_framerate_params(dev);
827 } else {
828 /* Set up scene mode */
829 int i;
830 const struct v4l2_mmal_scene_config *scene = NULL;
831 int shutter_speed;
832 enum mmal_parameter_exposuremode exposure_mode;
833 enum mmal_parameter_exposuremeteringmode metering_mode;
834
835 for (i = 0; i < ARRAY_SIZE(scene_configs); i++) {
836 if (scene_configs[i].v4l2_scene == ctrl->val) {
837 scene = &scene_configs[i];
838 break;
839 }
840 }
841 if (!scene)
842 return -EINVAL;
843 if (i >= ARRAY_SIZE(scene_configs))
844 return -EINVAL;
845
846 /* Set all the values */
847 dev->scene_mode = ctrl->val;
848
849 if (scene->exposure_mode == MMAL_PARAM_EXPOSUREMODE_OFF)
850 shutter_speed = dev->manual_shutter_speed;
851 else
852 shutter_speed = 0;
853 exposure_mode = scene->exposure_mode;
854 metering_mode = scene->metering_mode;
855
856 v4l2_dbg(1, bcm2835_v4l2_debug, &dev->v4l2_dev,
857 "%s: scene mode none: shut_speed %d, exp_mode %d, metering %d\n",
858 __func__, shutter_speed, exposure_mode, metering_mode);
859
860 ret = vchiq_mmal_port_parameter_set(dev->instance, control,
861 MMAL_PARAMETER_SHUTTER_SPEED,
862 &shutter_speed,
863 sizeof(shutter_speed));
864 ret += vchiq_mmal_port_parameter_set(dev->instance, control,
865 MMAL_PARAMETER_EXPOSURE_MODE,
866 &exposure_mode,
867 sizeof(u32));
868 dev->exposure_mode_active = exposure_mode;
869 ret += vchiq_mmal_port_parameter_set(dev->instance, control,
870 MMAL_PARAMETER_EXPOSURE_MODE,
871 &exposure_mode,
872 sizeof(u32));
873 ret += vchiq_mmal_port_parameter_set(dev->instance, control,
874 MMAL_PARAMETER_EXP_METERING_MODE,
875 &metering_mode,
876 sizeof(u32));
877 ret += set_framerate_params(dev);
878 }
879 if (ret) {
880 v4l2_dbg(1, bcm2835_v4l2_debug, &dev->v4l2_dev,
881 "%s: Setting scene to %d, ret=%d\n",
882 __func__, ctrl->val, ret);
883 ret = -EINVAL;
884 }
885 return 0;
886 }
887
bcm2835_mmal_s_ctrl(struct v4l2_ctrl * ctrl)888 static int bcm2835_mmal_s_ctrl(struct v4l2_ctrl *ctrl)
889 {
890 struct bcm2835_mmal_dev *dev = container_of(ctrl->handler, struct bcm2835_mmal_dev,
891 ctrl_handler);
892 const struct bcm2835_mmal_v4l2_ctrl *mmal_ctrl = ctrl->priv;
893 int ret;
894
895 if (!mmal_ctrl || mmal_ctrl->id != ctrl->id || !mmal_ctrl->setter) {
896 pr_warn("mmal_ctrl:%p ctrl id:%d\n", mmal_ctrl, ctrl->id);
897 return -EINVAL;
898 }
899
900 ret = mmal_ctrl->setter(dev, ctrl, mmal_ctrl);
901 if (ret)
902 pr_warn("ctrl id:%d/MMAL param %08X- returned ret %d\n",
903 ctrl->id, mmal_ctrl->mmal_id, ret);
904 return ret;
905 }
906
907 static const struct v4l2_ctrl_ops bcm2835_mmal_ctrl_ops = {
908 .s_ctrl = bcm2835_mmal_s_ctrl,
909 };
910
911 static const struct bcm2835_mmal_v4l2_ctrl v4l2_ctrls[V4L2_CTRL_COUNT] = {
912 {
913 .id = V4L2_CID_SATURATION,
914 .type = MMAL_CONTROL_TYPE_STD,
915 .min = -100,
916 .max = 100,
917 .def = 0,
918 .step = 1,
919 .imenu = NULL,
920 .mmal_id = MMAL_PARAMETER_SATURATION,
921 .setter = ctrl_set_rational,
922 },
923 {
924 .id = V4L2_CID_SHARPNESS,
925 .type = MMAL_CONTROL_TYPE_STD,
926 .min = -100,
927 .max = 100,
928 .def = 0,
929 .step = 1,
930 .imenu = NULL,
931 .mmal_id = MMAL_PARAMETER_SHARPNESS,
932 .setter = ctrl_set_rational,
933 },
934 {
935 .id = V4L2_CID_CONTRAST,
936 .type = MMAL_CONTROL_TYPE_STD,
937 .min = -100,
938 .max = 100,
939 .def = 0,
940 .step = 1,
941 .imenu = NULL,
942 .mmal_id = MMAL_PARAMETER_CONTRAST,
943 .setter = ctrl_set_rational,
944 },
945 {
946 .id = V4L2_CID_BRIGHTNESS,
947 .type = MMAL_CONTROL_TYPE_STD,
948 .min = 0,
949 .max = 100,
950 .def = 50,
951 .step = 1,
952 .imenu = NULL,
953 .mmal_id = MMAL_PARAMETER_BRIGHTNESS,
954 .setter = ctrl_set_rational,
955 },
956 {
957 .id = V4L2_CID_ISO_SENSITIVITY,
958 .type = MMAL_CONTROL_TYPE_INT_MENU,
959 .min = 0,
960 .max = ARRAY_SIZE(iso_qmenu) - 1,
961 .def = 0,
962 .step = 1,
963 .imenu = iso_qmenu,
964 .mmal_id = MMAL_PARAMETER_ISO,
965 .setter = ctrl_set_iso,
966 },
967 {
968 .id = V4L2_CID_ISO_SENSITIVITY_AUTO,
969 .type = MMAL_CONTROL_TYPE_STD_MENU,
970 .min = 0,
971 .max = V4L2_ISO_SENSITIVITY_AUTO,
972 .def = V4L2_ISO_SENSITIVITY_AUTO,
973 .step = 1,
974 .imenu = NULL,
975 .mmal_id = MMAL_PARAMETER_ISO,
976 .setter = ctrl_set_iso,
977 },
978 {
979 .id = V4L2_CID_IMAGE_STABILIZATION,
980 .type = MMAL_CONTROL_TYPE_STD,
981 .min = 0,
982 .max = 1,
983 .def = 0,
984 .step = 1,
985 .imenu = NULL,
986 .mmal_id = MMAL_PARAMETER_VIDEO_STABILISATION,
987 .setter = ctrl_set_value,
988 },
989 {
990 .id = V4L2_CID_EXPOSURE_AUTO,
991 .type = MMAL_CONTROL_TYPE_STD_MENU,
992 .min = ~0x03,
993 .max = V4L2_EXPOSURE_APERTURE_PRIORITY,
994 .def = V4L2_EXPOSURE_AUTO,
995 .step = 0,
996 .imenu = NULL,
997 .mmal_id = MMAL_PARAMETER_EXPOSURE_MODE,
998 .setter = ctrl_set_exposure,
999 },
1000 {
1001 .id = V4L2_CID_EXPOSURE_ABSOLUTE,
1002 .type = MMAL_CONTROL_TYPE_STD,
1003 /* Units of 100usecs */
1004 .min = 1,
1005 .max = 1 * 1000 * 10,
1006 .def = 100 * 10,
1007 .step = 1,
1008 .imenu = NULL,
1009 .mmal_id = MMAL_PARAMETER_SHUTTER_SPEED,
1010 .setter = ctrl_set_exposure,
1011 },
1012 {
1013 .id = V4L2_CID_AUTO_EXPOSURE_BIAS,
1014 .type = MMAL_CONTROL_TYPE_INT_MENU,
1015 .min = 0,
1016 .max = ARRAY_SIZE(ev_bias_qmenu) - 1,
1017 .def = (ARRAY_SIZE(ev_bias_qmenu) + 1) / 2 - 1,
1018 .step = 0,
1019 .imenu = ev_bias_qmenu,
1020 .mmal_id = MMAL_PARAMETER_EXPOSURE_COMP,
1021 .setter = ctrl_set_value_ev,
1022 },
1023 {
1024 .id = V4L2_CID_EXPOSURE_AUTO_PRIORITY,
1025 .type = MMAL_CONTROL_TYPE_STD,
1026 .min = 0,
1027 .max = 1,
1028 .def = 0,
1029 .step = 1,
1030 .imenu = NULL,
1031 /* Dummy MMAL ID as it gets mapped into FPS range */
1032 .mmal_id = 0,
1033 .setter = ctrl_set_exposure,
1034 },
1035 {
1036 .id = V4L2_CID_EXPOSURE_METERING,
1037 .type = MMAL_CONTROL_TYPE_STD_MENU,
1038 .min = ~0xf,
1039 .max = V4L2_EXPOSURE_METERING_MATRIX,
1040 .def = V4L2_EXPOSURE_METERING_AVERAGE,
1041 .step = 0,
1042 .imenu = NULL,
1043 .mmal_id = MMAL_PARAMETER_EXP_METERING_MODE,
1044 .setter = ctrl_set_metering_mode,
1045 },
1046 {
1047 .id = V4L2_CID_AUTO_N_PRESET_WHITE_BALANCE,
1048 .type = MMAL_CONTROL_TYPE_STD_MENU,
1049 .min = ~0x3ff,
1050 .max = V4L2_WHITE_BALANCE_SHADE,
1051 .def = V4L2_WHITE_BALANCE_AUTO,
1052 .step = 0,
1053 .imenu = NULL,
1054 .mmal_id = MMAL_PARAMETER_AWB_MODE,
1055 .setter = ctrl_set_awb_mode,
1056 },
1057 {
1058 .id = V4L2_CID_RED_BALANCE,
1059 .type = MMAL_CONTROL_TYPE_STD,
1060 .min = 1,
1061 .max = 7999,
1062 .def = 1000,
1063 .step = 1,
1064 .imenu = NULL,
1065 .mmal_id = MMAL_PARAMETER_CUSTOM_AWB_GAINS,
1066 .setter = ctrl_set_awb_gains,
1067 },
1068 {
1069 .id = V4L2_CID_BLUE_BALANCE,
1070 .type = MMAL_CONTROL_TYPE_STD,
1071 .min = 1,
1072 .max = 7999,
1073 .def = 1000,
1074 .step = 1,
1075 .imenu = NULL,
1076 .mmal_id = MMAL_PARAMETER_CUSTOM_AWB_GAINS,
1077 .setter = ctrl_set_awb_gains,
1078 },
1079 {
1080 .id = V4L2_CID_COLORFX,
1081 .type = MMAL_CONTROL_TYPE_STD_MENU,
1082 .min = 0,
1083 .max = V4L2_COLORFX_SET_CBCR,
1084 .def = V4L2_COLORFX_NONE,
1085 .step = 0,
1086 .imenu = NULL,
1087 .mmal_id = MMAL_PARAMETER_IMAGE_EFFECT,
1088 .setter = ctrl_set_image_effect,
1089 },
1090 {
1091 .id = V4L2_CID_COLORFX_CBCR,
1092 .type = MMAL_CONTROL_TYPE_STD,
1093 .min = 0,
1094 .max = 0xffff,
1095 .def = 0x8080,
1096 .step = 1,
1097 .imenu = NULL,
1098 .mmal_id = MMAL_PARAMETER_COLOUR_EFFECT,
1099 .setter = ctrl_set_colfx,
1100 },
1101 {
1102 .id = V4L2_CID_ROTATE,
1103 .type = MMAL_CONTROL_TYPE_STD,
1104 .min = 0,
1105 .max = 360,
1106 .def = 0,
1107 .step = 90,
1108 .imenu = NULL,
1109 .mmal_id = MMAL_PARAMETER_ROTATION,
1110 .setter = ctrl_set_rotate,
1111 },
1112 {
1113 .id = V4L2_CID_HFLIP,
1114 .type = MMAL_CONTROL_TYPE_STD,
1115 .min = 0,
1116 .max = 1,
1117 .def = 0,
1118 .step = 1,
1119 .imenu = NULL,
1120 .mmal_id = MMAL_PARAMETER_MIRROR,
1121 .setter = ctrl_set_flip,
1122 },
1123 {
1124 .id = V4L2_CID_VFLIP,
1125 .type = MMAL_CONTROL_TYPE_STD,
1126 .min = 0,
1127 .max = 1,
1128 .def = 0,
1129 .step = 1,
1130 .imenu = NULL,
1131 .mmal_id = MMAL_PARAMETER_MIRROR,
1132 .setter = ctrl_set_flip,
1133 },
1134 {
1135 .id = V4L2_CID_MPEG_VIDEO_BITRATE_MODE,
1136 .type = MMAL_CONTROL_TYPE_STD_MENU,
1137 .min = 0,
1138 .max = V4L2_MPEG_VIDEO_BITRATE_MODE_CBR,
1139 .def = 0,
1140 .step = 0,
1141 .imenu = NULL,
1142 .mmal_id = MMAL_PARAMETER_RATECONTROL,
1143 .setter = ctrl_set_bitrate_mode,
1144 },
1145 {
1146 .id = V4L2_CID_MPEG_VIDEO_BITRATE,
1147 .type = MMAL_CONTROL_TYPE_STD,
1148 .min = 25 * 1000,
1149 .max = 25 * 1000 * 1000,
1150 .def = 10 * 1000 * 1000,
1151 .step = 25 * 1000,
1152 .imenu = NULL,
1153 .mmal_id = MMAL_PARAMETER_VIDEO_BIT_RATE,
1154 .setter = ctrl_set_bitrate,
1155 },
1156 {
1157 .id = V4L2_CID_JPEG_COMPRESSION_QUALITY,
1158 .type = MMAL_CONTROL_TYPE_STD,
1159 .min = 1,
1160 .max = 100,
1161 .def = 30,
1162 .step = 1,
1163 .imenu = NULL,
1164 .mmal_id = MMAL_PARAMETER_JPEG_Q_FACTOR,
1165 .setter = ctrl_set_image_encode_output,
1166 },
1167 {
1168 .id = V4L2_CID_POWER_LINE_FREQUENCY,
1169 .type = MMAL_CONTROL_TYPE_STD_MENU,
1170 .min = 0,
1171 .max = V4L2_CID_POWER_LINE_FREQUENCY_AUTO,
1172 .def = 1,
1173 .step = 1,
1174 .imenu = NULL,
1175 .mmal_id = MMAL_PARAMETER_FLICKER_AVOID,
1176 .setter = ctrl_set_flicker_avoidance,
1177 },
1178 {
1179 .id = V4L2_CID_MPEG_VIDEO_REPEAT_SEQ_HEADER,
1180 .type = MMAL_CONTROL_TYPE_STD,
1181 .min = 0,
1182 .max = 1,
1183 .def = 0,
1184 .step = 1,
1185 .imenu = NULL,
1186 .mmal_id = MMAL_PARAMETER_VIDEO_ENCODE_INLINE_HEADER,
1187 .setter = ctrl_set_video_encode_param_output,
1188 },
1189 {
1190 .id = V4L2_CID_MPEG_VIDEO_H264_PROFILE,
1191 .type = MMAL_CONTROL_TYPE_STD_MENU,
1192 .min = ~(BIT(V4L2_MPEG_VIDEO_H264_PROFILE_BASELINE) |
1193 BIT(V4L2_MPEG_VIDEO_H264_PROFILE_CONSTRAINED_BASELINE) |
1194 BIT(V4L2_MPEG_VIDEO_H264_PROFILE_MAIN) |
1195 BIT(V4L2_MPEG_VIDEO_H264_PROFILE_HIGH)),
1196 .max = V4L2_MPEG_VIDEO_H264_PROFILE_HIGH,
1197 .def = V4L2_MPEG_VIDEO_H264_PROFILE_HIGH,
1198 .step = 1,
1199 .imenu = NULL,
1200 .mmal_id = MMAL_PARAMETER_PROFILE,
1201 .setter = ctrl_set_video_encode_profile_level,
1202 },
1203 {
1204 .id = V4L2_CID_MPEG_VIDEO_H264_LEVEL,
1205 .type = MMAL_CONTROL_TYPE_STD_MENU,
1206 .min = ~(BIT(V4L2_MPEG_VIDEO_H264_LEVEL_1_0) |
1207 BIT(V4L2_MPEG_VIDEO_H264_LEVEL_1B) |
1208 BIT(V4L2_MPEG_VIDEO_H264_LEVEL_1_1) |
1209 BIT(V4L2_MPEG_VIDEO_H264_LEVEL_1_2) |
1210 BIT(V4L2_MPEG_VIDEO_H264_LEVEL_1_3) |
1211 BIT(V4L2_MPEG_VIDEO_H264_LEVEL_2_0) |
1212 BIT(V4L2_MPEG_VIDEO_H264_LEVEL_2_1) |
1213 BIT(V4L2_MPEG_VIDEO_H264_LEVEL_2_2) |
1214 BIT(V4L2_MPEG_VIDEO_H264_LEVEL_3_0) |
1215 BIT(V4L2_MPEG_VIDEO_H264_LEVEL_3_1) |
1216 BIT(V4L2_MPEG_VIDEO_H264_LEVEL_3_2) |
1217 BIT(V4L2_MPEG_VIDEO_H264_LEVEL_4_0)),
1218 .max = V4L2_MPEG_VIDEO_H264_LEVEL_4_0,
1219 .def = V4L2_MPEG_VIDEO_H264_LEVEL_4_0,
1220 .step = 1,
1221 .imenu = NULL,
1222 .mmal_id = MMAL_PARAMETER_PROFILE,
1223 .setter = ctrl_set_video_encode_profile_level,
1224 },
1225 {
1226 .id = V4L2_CID_SCENE_MODE,
1227 .type = MMAL_CONTROL_TYPE_STD_MENU,
1228 /* mask is computed at runtime */
1229 .min = -1,
1230 .max = V4L2_SCENE_MODE_TEXT,
1231 .def = V4L2_SCENE_MODE_NONE,
1232 .step = 1,
1233 .imenu = NULL,
1234 .mmal_id = MMAL_PARAMETER_PROFILE,
1235 .setter = ctrl_set_scene_mode,
1236 },
1237 {
1238 .id = V4L2_CID_MPEG_VIDEO_H264_I_PERIOD,
1239 .type = MMAL_CONTROL_TYPE_STD,
1240 .min = 0,
1241 .max = 0x7FFFFFFF,
1242 .def = 60,
1243 .step = 1,
1244 .imenu = NULL,
1245 .mmal_id = MMAL_PARAMETER_INTRAPERIOD,
1246 .setter = ctrl_set_video_encode_param_output,
1247 },
1248 };
1249
bcm2835_mmal_set_all_camera_controls(struct bcm2835_mmal_dev * dev)1250 int bcm2835_mmal_set_all_camera_controls(struct bcm2835_mmal_dev *dev)
1251 {
1252 int c;
1253 int ret = 0;
1254
1255 for (c = 0; c < V4L2_CTRL_COUNT; c++) {
1256 if ((dev->ctrls[c]) && (v4l2_ctrls[c].setter)) {
1257 ret = v4l2_ctrls[c].setter(dev, dev->ctrls[c],
1258 &v4l2_ctrls[c]);
1259 if (ret) {
1260 v4l2_dbg(1, bcm2835_v4l2_debug, &dev->v4l2_dev,
1261 "Failed when setting default values for ctrl %d\n",
1262 c);
1263 break;
1264 }
1265 }
1266 }
1267 return ret;
1268 }
1269
set_framerate_params(struct bcm2835_mmal_dev * dev)1270 int set_framerate_params(struct bcm2835_mmal_dev *dev)
1271 {
1272 struct mmal_parameter_fps_range fps_range;
1273 int ret;
1274
1275 fps_range.fps_high.numerator = dev->capture.timeperframe.denominator;
1276 fps_range.fps_high.denominator = dev->capture.timeperframe.numerator;
1277
1278 if ((dev->exposure_mode_active != MMAL_PARAM_EXPOSUREMODE_OFF) &&
1279 (dev->exp_auto_priority)) {
1280 /* Variable FPS. Define min FPS as 1fps. */
1281 fps_range.fps_low.numerator = 1;
1282 fps_range.fps_low.denominator = 1;
1283 } else {
1284 /* Fixed FPS - set min and max to be the same */
1285 fps_range.fps_low.numerator = fps_range.fps_high.numerator;
1286 fps_range.fps_low.denominator = fps_range.fps_high.denominator;
1287 }
1288
1289 v4l2_dbg(1, bcm2835_v4l2_debug, &dev->v4l2_dev,
1290 "Set fps range to %d/%d to %d/%d\n",
1291 fps_range.fps_low.numerator,
1292 fps_range.fps_low.denominator,
1293 fps_range.fps_high.numerator,
1294 fps_range.fps_high.denominator);
1295
1296 ret = vchiq_mmal_port_parameter_set(dev->instance,
1297 &dev->component[COMP_CAMERA]->output[CAM_PORT_PREVIEW],
1298 MMAL_PARAMETER_FPS_RANGE,
1299 &fps_range, sizeof(fps_range));
1300 ret += vchiq_mmal_port_parameter_set(dev->instance,
1301 &dev->component[COMP_CAMERA]->output[CAM_PORT_VIDEO],
1302 MMAL_PARAMETER_FPS_RANGE,
1303 &fps_range, sizeof(fps_range));
1304 ret += vchiq_mmal_port_parameter_set(dev->instance,
1305 &dev->component[COMP_CAMERA]->output[CAM_PORT_CAPTURE],
1306 MMAL_PARAMETER_FPS_RANGE,
1307 &fps_range, sizeof(fps_range));
1308 if (ret)
1309 v4l2_dbg(0, bcm2835_v4l2_debug, &dev->v4l2_dev,
1310 "Failed to set fps ret %d\n", ret);
1311
1312 return ret;
1313 }
1314
bcm2835_mmal_init_controls(struct bcm2835_mmal_dev * dev,struct v4l2_ctrl_handler * hdl)1315 int bcm2835_mmal_init_controls(struct bcm2835_mmal_dev *dev, struct v4l2_ctrl_handler *hdl)
1316 {
1317 int c;
1318 const struct bcm2835_mmal_v4l2_ctrl *ctrl;
1319
1320 v4l2_ctrl_handler_init(hdl, V4L2_CTRL_COUNT);
1321
1322 for (c = 0; c < V4L2_CTRL_COUNT; c++) {
1323 ctrl = &v4l2_ctrls[c];
1324
1325 switch (ctrl->type) {
1326 case MMAL_CONTROL_TYPE_STD:
1327 dev->ctrls[c] = v4l2_ctrl_new_std(hdl, &bcm2835_mmal_ctrl_ops,
1328 ctrl->id, ctrl->min, ctrl->max,
1329 ctrl->step, ctrl->def);
1330 break;
1331
1332 case MMAL_CONTROL_TYPE_STD_MENU:
1333 {
1334 u64 mask = ctrl->min;
1335
1336 if (ctrl->id == V4L2_CID_SCENE_MODE) {
1337 /* Special handling to work out the mask
1338 * value based on the scene_configs array
1339 * at runtime. Reduces the chance of
1340 * mismatches.
1341 */
1342 int i;
1343
1344 mask = BIT(V4L2_SCENE_MODE_NONE);
1345 for (i = 0;
1346 i < ARRAY_SIZE(scene_configs);
1347 i++) {
1348 mask |= BIT(scene_configs[i].v4l2_scene);
1349 }
1350 mask = ~mask;
1351 }
1352
1353 dev->ctrls[c] = v4l2_ctrl_new_std_menu(hdl, &bcm2835_mmal_ctrl_ops,
1354 ctrl->id, ctrl->max, mask,
1355 ctrl->def);
1356 break;
1357 }
1358
1359 case MMAL_CONTROL_TYPE_INT_MENU:
1360 dev->ctrls[c] = v4l2_ctrl_new_int_menu(hdl, &bcm2835_mmal_ctrl_ops,
1361 ctrl->id, ctrl->max,
1362 ctrl->def, ctrl->imenu);
1363 break;
1364
1365 case MMAL_CONTROL_TYPE_CLUSTER:
1366 /* skip this entry when constructing controls */
1367 continue;
1368 }
1369
1370 if (hdl->error)
1371 break;
1372
1373 dev->ctrls[c]->priv = (void *)ctrl;
1374 }
1375
1376 if (hdl->error) {
1377 pr_err("error adding control %d/%d id 0x%x\n", c,
1378 V4L2_CTRL_COUNT, ctrl->id);
1379 return hdl->error;
1380 }
1381
1382 for (c = 0; c < V4L2_CTRL_COUNT; c++) {
1383 ctrl = &v4l2_ctrls[c];
1384
1385 switch (ctrl->type) {
1386 case MMAL_CONTROL_TYPE_CLUSTER:
1387 v4l2_ctrl_auto_cluster(ctrl->min,
1388 &dev->ctrls[c + 1],
1389 ctrl->max,
1390 ctrl->def);
1391 break;
1392
1393 case MMAL_CONTROL_TYPE_STD:
1394 case MMAL_CONTROL_TYPE_STD_MENU:
1395 case MMAL_CONTROL_TYPE_INT_MENU:
1396 break;
1397 }
1398 }
1399
1400 return 0;
1401 }
1402