1// SPDX-License-Identifier: GPL-2.0-or-later
2/*
3 * Controls for M-5MOLS 8M Pixel camera sensor with ISP
4 *
5 * Copyright (C) 2011 Samsung Electronics Co., Ltd.
6 * Author: HeungJun Kim <riverful.kim@samsung.com>
7 *
8 * Copyright (C) 2009 Samsung Electronics Co., Ltd.
9 * Author: Dongsoo Nathaniel Kim <dongsoo45.kim@samsung.com>
10 */
11
12#include <linux/i2c.h>
13#include <linux/delay.h>
14#include <linux/videodev2.h>
15#include <media/v4l2-ctrls.h>
16
17#include "m5mols.h"
18#include "m5mols_reg.h"
19
20static struct m5mols_scenemode m5mols_default_scenemode[] = {
21	[REG_SCENE_NORMAL] = {
22		REG_AE_CENTER, REG_AE_INDEX_00, REG_AWB_AUTO, 0,
23		REG_CHROMA_ON, 3, REG_EDGE_ON, 5,
24		REG_AF_NORMAL, REG_FD_OFF,
25		REG_MCC_NORMAL, REG_LIGHT_OFF, REG_FLASH_OFF,
26		5, REG_ISO_AUTO, REG_CAP_NONE, REG_WDR_OFF,
27	},
28	[REG_SCENE_PORTRAIT] = {
29		REG_AE_CENTER, REG_AE_INDEX_00, REG_AWB_AUTO, 0,
30		REG_CHROMA_ON, 3, REG_EDGE_ON, 4,
31		REG_AF_NORMAL, BIT_FD_EN | BIT_FD_DRAW_FACE_FRAME,
32		REG_MCC_OFF, REG_LIGHT_OFF, REG_FLASH_OFF,
33		6, REG_ISO_AUTO, REG_CAP_NONE, REG_WDR_OFF,
34	},
35	[REG_SCENE_LANDSCAPE] = {
36		REG_AE_ALL, REG_AE_INDEX_00, REG_AWB_AUTO, 0,
37		REG_CHROMA_ON, 4, REG_EDGE_ON, 6,
38		REG_AF_NORMAL, REG_FD_OFF,
39		REG_MCC_OFF, REG_LIGHT_OFF, REG_FLASH_OFF,
40		6, REG_ISO_AUTO, REG_CAP_NONE, REG_WDR_OFF,
41	},
42	[REG_SCENE_SPORTS] = {
43		REG_AE_CENTER, REG_AE_INDEX_00, REG_AWB_AUTO, 0,
44		REG_CHROMA_ON, 3, REG_EDGE_ON, 5,
45		REG_AF_NORMAL, REG_FD_OFF,
46		REG_MCC_OFF, REG_LIGHT_OFF, REG_FLASH_OFF,
47		6, REG_ISO_AUTO, REG_CAP_NONE, REG_WDR_OFF,
48	},
49	[REG_SCENE_PARTY_INDOOR] = {
50		REG_AE_CENTER, REG_AE_INDEX_00, REG_AWB_AUTO, 0,
51		REG_CHROMA_ON, 4, REG_EDGE_ON, 5,
52		REG_AF_NORMAL, REG_FD_OFF,
53		REG_MCC_OFF, REG_LIGHT_OFF, REG_FLASH_OFF,
54		6, REG_ISO_200, REG_CAP_NONE, REG_WDR_OFF,
55	},
56	[REG_SCENE_BEACH_SNOW] = {
57		REG_AE_CENTER, REG_AE_INDEX_10_POS, REG_AWB_AUTO, 0,
58		REG_CHROMA_ON, 4, REG_EDGE_ON, 5,
59		REG_AF_NORMAL, REG_FD_OFF,
60		REG_MCC_OFF, REG_LIGHT_OFF, REG_FLASH_OFF,
61		6, REG_ISO_50, REG_CAP_NONE, REG_WDR_OFF,
62	},
63	[REG_SCENE_SUNSET] = {
64		REG_AE_CENTER, REG_AE_INDEX_00, REG_AWB_PRESET,
65		REG_AWB_DAYLIGHT,
66		REG_CHROMA_ON, 3, REG_EDGE_ON, 5,
67		REG_AF_NORMAL, REG_FD_OFF,
68		REG_MCC_OFF, REG_LIGHT_OFF, REG_FLASH_OFF,
69		6, REG_ISO_AUTO, REG_CAP_NONE, REG_WDR_OFF,
70	},
71	[REG_SCENE_DAWN_DUSK] = {
72		REG_AE_CENTER, REG_AE_INDEX_00, REG_AWB_PRESET,
73		REG_AWB_FLUORESCENT_1,
74		REG_CHROMA_ON, 3, REG_EDGE_ON, 5,
75		REG_AF_NORMAL, REG_FD_OFF,
76		REG_MCC_OFF, REG_LIGHT_OFF, REG_FLASH_OFF,
77		6, REG_ISO_AUTO, REG_CAP_NONE, REG_WDR_OFF,
78	},
79	[REG_SCENE_FALL] = {
80		REG_AE_CENTER, REG_AE_INDEX_00, REG_AWB_AUTO, 0,
81		REG_CHROMA_ON, 5, REG_EDGE_ON, 5,
82		REG_AF_NORMAL, REG_FD_OFF,
83		REG_MCC_OFF, REG_LIGHT_OFF, REG_FLASH_OFF,
84		6, REG_ISO_AUTO, REG_CAP_NONE, REG_WDR_OFF,
85	},
86	[REG_SCENE_NIGHT] = {
87		REG_AE_CENTER, REG_AE_INDEX_00, REG_AWB_AUTO, 0,
88		REG_CHROMA_ON, 3, REG_EDGE_ON, 5,
89		REG_AF_NORMAL, REG_FD_OFF,
90		REG_MCC_OFF, REG_LIGHT_OFF, REG_FLASH_OFF,
91		6, REG_ISO_AUTO, REG_CAP_NONE, REG_WDR_OFF,
92	},
93	[REG_SCENE_AGAINST_LIGHT] = {
94		REG_AE_CENTER, REG_AE_INDEX_00, REG_AWB_AUTO, 0,
95		REG_CHROMA_ON, 3, REG_EDGE_ON, 5,
96		REG_AF_NORMAL, REG_FD_OFF,
97		REG_MCC_OFF, REG_LIGHT_OFF, REG_FLASH_OFF,
98		6, REG_ISO_AUTO, REG_CAP_NONE, REG_WDR_OFF,
99	},
100	[REG_SCENE_FIRE] = {
101		REG_AE_CENTER, REG_AE_INDEX_00, REG_AWB_AUTO, 0,
102		REG_CHROMA_ON, 3, REG_EDGE_ON, 5,
103		REG_AF_NORMAL, REG_FD_OFF,
104		REG_MCC_OFF, REG_LIGHT_OFF, REG_FLASH_OFF,
105		6, REG_ISO_50, REG_CAP_NONE, REG_WDR_OFF,
106	},
107	[REG_SCENE_TEXT] = {
108		REG_AE_CENTER, REG_AE_INDEX_00, REG_AWB_AUTO, 0,
109		REG_CHROMA_ON, 3, REG_EDGE_ON, 7,
110		REG_AF_MACRO, REG_FD_OFF,
111		REG_MCC_OFF, REG_LIGHT_OFF, REG_FLASH_OFF,
112		6, REG_ISO_AUTO, REG_CAP_ANTI_SHAKE, REG_WDR_ON,
113	},
114	[REG_SCENE_CANDLE] = {
115		REG_AE_CENTER, REG_AE_INDEX_00, REG_AWB_AUTO, 0,
116		REG_CHROMA_ON, 3, REG_EDGE_ON, 5,
117		REG_AF_NORMAL, REG_FD_OFF,
118		REG_MCC_OFF, REG_LIGHT_OFF, REG_FLASH_OFF,
119		6, REG_ISO_AUTO, REG_CAP_NONE, REG_WDR_OFF,
120	},
121};
122
123/**
124 * m5mols_do_scenemode() - Change current scenemode
125 * @info: M-5MOLS driver data structure
126 * @mode:	Desired mode of the scenemode
127 *
128 * WARNING: The execution order is important. Do not change the order.
129 */
130int m5mols_do_scenemode(struct m5mols_info *info, u8 mode)
131{
132	struct v4l2_subdev *sd = &info->sd;
133	struct m5mols_scenemode scenemode = m5mols_default_scenemode[mode];
134	int ret;
135
136	if (mode > REG_SCENE_CANDLE)
137		return -EINVAL;
138
139	ret = v4l2_ctrl_s_ctrl(info->lock_3a, 0);
140	if (!ret)
141		ret = m5mols_write(sd, AE_EV_PRESET_MONITOR, mode);
142	if (!ret)
143		ret = m5mols_write(sd, AE_EV_PRESET_CAPTURE, mode);
144	if (!ret)
145		ret = m5mols_write(sd, AE_MODE, scenemode.metering);
146	if (!ret)
147		ret = m5mols_write(sd, AE_INDEX, scenemode.ev_bias);
148	if (!ret)
149		ret = m5mols_write(sd, AWB_MODE, scenemode.wb_mode);
150	if (!ret)
151		ret = m5mols_write(sd, AWB_MANUAL, scenemode.wb_preset);
152	if (!ret)
153		ret = m5mols_write(sd, MON_CHROMA_EN, scenemode.chroma_en);
154	if (!ret)
155		ret = m5mols_write(sd, MON_CHROMA_LVL, scenemode.chroma_lvl);
156	if (!ret)
157		ret = m5mols_write(sd, MON_EDGE_EN, scenemode.edge_en);
158	if (!ret)
159		ret = m5mols_write(sd, MON_EDGE_LVL, scenemode.edge_lvl);
160	if (!ret && is_available_af(info))
161		ret = m5mols_write(sd, AF_MODE, scenemode.af_range);
162	if (!ret && is_available_af(info))
163		ret = m5mols_write(sd, FD_CTL, scenemode.fd_mode);
164	if (!ret)
165		ret = m5mols_write(sd, MON_TONE_CTL, scenemode.tone);
166	if (!ret)
167		ret = m5mols_write(sd, AE_ISO, scenemode.iso);
168	if (!ret)
169		ret = m5mols_set_mode(info, REG_CAPTURE);
170	if (!ret)
171		ret = m5mols_write(sd, CAPP_WDR_EN, scenemode.wdr);
172	if (!ret)
173		ret = m5mols_write(sd, CAPP_MCC_MODE, scenemode.mcc);
174	if (!ret)
175		ret = m5mols_write(sd, CAPP_LIGHT_CTRL, scenemode.light);
176	if (!ret)
177		ret = m5mols_write(sd, CAPP_FLASH_CTRL, scenemode.flash);
178	if (!ret)
179		ret = m5mols_write(sd, CAPC_MODE, scenemode.capt_mode);
180	if (!ret)
181		ret = m5mols_set_mode(info, REG_MONITOR);
182
183	return ret;
184}
185
186static int m5mols_3a_lock(struct m5mols_info *info, struct v4l2_ctrl *ctrl)
187{
188	bool af_lock = ctrl->val & V4L2_LOCK_FOCUS;
189	int ret = 0;
190
191	if ((ctrl->val ^ ctrl->cur.val) & V4L2_LOCK_EXPOSURE) {
192		bool ae_lock = ctrl->val & V4L2_LOCK_EXPOSURE;
193
194		ret = m5mols_write(&info->sd, AE_LOCK, ae_lock ?
195				   REG_AE_LOCK : REG_AE_UNLOCK);
196		if (ret)
197			return ret;
198	}
199
200	if (((ctrl->val ^ ctrl->cur.val) & V4L2_LOCK_WHITE_BALANCE)
201	    && info->auto_wb->val) {
202		bool awb_lock = ctrl->val & V4L2_LOCK_WHITE_BALANCE;
203
204		ret = m5mols_write(&info->sd, AWB_LOCK, awb_lock ?
205				   REG_AWB_LOCK : REG_AWB_UNLOCK);
206		if (ret)
207			return ret;
208	}
209
210	if (!info->ver.af || !af_lock)
211		return ret;
212
213	if ((ctrl->val ^ ctrl->cur.val) & V4L2_LOCK_FOCUS)
214		ret = m5mols_write(&info->sd, AF_EXECUTE, REG_AF_STOP);
215
216	return ret;
217}
218
219static int m5mols_set_metering_mode(struct m5mols_info *info, int mode)
220{
221	unsigned int metering;
222
223	switch (mode) {
224	case V4L2_EXPOSURE_METERING_CENTER_WEIGHTED:
225		metering = REG_AE_CENTER;
226		break;
227	case V4L2_EXPOSURE_METERING_SPOT:
228		metering = REG_AE_SPOT;
229		break;
230	default:
231		metering = REG_AE_ALL;
232		break;
233	}
234
235	return m5mols_write(&info->sd, AE_MODE, metering);
236}
237
238static int m5mols_set_exposure(struct m5mols_info *info, int exposure)
239{
240	struct v4l2_subdev *sd = &info->sd;
241	int ret = 0;
242
243	if (exposure == V4L2_EXPOSURE_AUTO) {
244		/* Unlock auto exposure */
245		info->lock_3a->val &= ~V4L2_LOCK_EXPOSURE;
246		m5mols_3a_lock(info, info->lock_3a);
247
248		ret = m5mols_set_metering_mode(info, info->metering->val);
249		if (ret < 0)
250			return ret;
251
252		v4l2_dbg(1, m5mols_debug, sd,
253			 "%s: exposure bias: %#x, metering: %#x\n",
254			 __func__, info->exposure_bias->val,
255			 info->metering->val);
256
257		return m5mols_write(sd, AE_INDEX, info->exposure_bias->val);
258	}
259
260	if (exposure == V4L2_EXPOSURE_MANUAL) {
261		ret = m5mols_write(sd, AE_MODE, REG_AE_OFF);
262		if (ret == 0)
263			ret = m5mols_write(sd, AE_MAN_GAIN_MON,
264					   info->exposure->val);
265		if (ret == 0)
266			ret = m5mols_write(sd, AE_MAN_GAIN_CAP,
267					   info->exposure->val);
268
269		v4l2_dbg(1, m5mols_debug, sd, "%s: exposure: %#x\n",
270			 __func__, info->exposure->val);
271	}
272
273	return ret;
274}
275
276static int m5mols_set_white_balance(struct m5mols_info *info, int val)
277{
278	static const unsigned short wb[][2] = {
279		{ V4L2_WHITE_BALANCE_INCANDESCENT,  REG_AWB_INCANDESCENT },
280		{ V4L2_WHITE_BALANCE_FLUORESCENT,   REG_AWB_FLUORESCENT_1 },
281		{ V4L2_WHITE_BALANCE_FLUORESCENT_H, REG_AWB_FLUORESCENT_2 },
282		{ V4L2_WHITE_BALANCE_HORIZON,       REG_AWB_HORIZON },
283		{ V4L2_WHITE_BALANCE_DAYLIGHT,      REG_AWB_DAYLIGHT },
284		{ V4L2_WHITE_BALANCE_FLASH,         REG_AWB_LEDLIGHT },
285		{ V4L2_WHITE_BALANCE_CLOUDY,        REG_AWB_CLOUDY },
286		{ V4L2_WHITE_BALANCE_SHADE,         REG_AWB_SHADE },
287		{ V4L2_WHITE_BALANCE_AUTO,          REG_AWB_AUTO },
288	};
289	int i;
290	struct v4l2_subdev *sd = &info->sd;
291	int ret = -EINVAL;
292
293	for (i = 0; i < ARRAY_SIZE(wb); i++) {
294		int awb;
295		if (wb[i][0] != val)
296			continue;
297
298		v4l2_dbg(1, m5mols_debug, sd,
299			 "Setting white balance to: %#x\n", wb[i][0]);
300
301		awb = wb[i][0] == V4L2_WHITE_BALANCE_AUTO;
302		ret = m5mols_write(sd, AWB_MODE, awb ? REG_AWB_AUTO :
303						 REG_AWB_PRESET);
304		if (ret < 0)
305			return ret;
306
307		if (!awb)
308			ret = m5mols_write(sd, AWB_MANUAL, wb[i][1]);
309	}
310
311	return ret;
312}
313
314static int m5mols_set_saturation(struct m5mols_info *info, int val)
315{
316	int ret = m5mols_write(&info->sd, MON_CHROMA_LVL, val);
317	if (ret < 0)
318		return ret;
319
320	return m5mols_write(&info->sd, MON_CHROMA_EN, REG_CHROMA_ON);
321}
322
323static int m5mols_set_color_effect(struct m5mols_info *info, int val)
324{
325	unsigned int m_effect = REG_COLOR_EFFECT_OFF;
326	unsigned int p_effect = REG_EFFECT_OFF;
327	unsigned int cfix_r = 0, cfix_b = 0;
328	struct v4l2_subdev *sd = &info->sd;
329	int ret = 0;
330
331	switch (val) {
332	case V4L2_COLORFX_BW:
333		m_effect = REG_COLOR_EFFECT_ON;
334		break;
335	case V4L2_COLORFX_NEGATIVE:
336		p_effect = REG_EFFECT_NEGA;
337		break;
338	case V4L2_COLORFX_EMBOSS:
339		p_effect = REG_EFFECT_EMBOSS;
340		break;
341	case V4L2_COLORFX_SEPIA:
342		m_effect = REG_COLOR_EFFECT_ON;
343		cfix_r = REG_CFIXR_SEPIA;
344		cfix_b = REG_CFIXB_SEPIA;
345		break;
346	}
347
348	ret = m5mols_write(sd, PARM_EFFECT, p_effect);
349	if (!ret)
350		ret = m5mols_write(sd, MON_EFFECT, m_effect);
351
352	if (ret == 0 && m_effect == REG_COLOR_EFFECT_ON) {
353		ret = m5mols_write(sd, MON_CFIXR, cfix_r);
354		if (!ret)
355			ret = m5mols_write(sd, MON_CFIXB, cfix_b);
356	}
357
358	v4l2_dbg(1, m5mols_debug, sd,
359		 "p_effect: %#x, m_effect: %#x, r: %#x, b: %#x (%d)\n",
360		 p_effect, m_effect, cfix_r, cfix_b, ret);
361
362	return ret;
363}
364
365static int m5mols_set_iso(struct m5mols_info *info, int auto_iso)
366{
367	u32 iso = auto_iso ? 0 : info->iso->val + 1;
368
369	return m5mols_write(&info->sd, AE_ISO, iso);
370}
371
372static int m5mols_set_wdr(struct m5mols_info *info, int wdr)
373{
374	int ret;
375
376	ret = m5mols_write(&info->sd, MON_TONE_CTL, wdr ? 9 : 5);
377	if (ret < 0)
378		return ret;
379
380	ret = m5mols_set_mode(info, REG_CAPTURE);
381	if (ret < 0)
382		return ret;
383
384	return m5mols_write(&info->sd, CAPP_WDR_EN, wdr);
385}
386
387static int m5mols_set_stabilization(struct m5mols_info *info, int val)
388{
389	struct v4l2_subdev *sd = &info->sd;
390	unsigned int evp = val ? 0xe : 0x0;
391	int ret;
392
393	ret = m5mols_write(sd, AE_EV_PRESET_MONITOR, evp);
394	if (ret < 0)
395		return ret;
396
397	return m5mols_write(sd, AE_EV_PRESET_CAPTURE, evp);
398}
399
400static int m5mols_g_volatile_ctrl(struct v4l2_ctrl *ctrl)
401{
402	struct v4l2_subdev *sd = to_sd(ctrl);
403	struct m5mols_info *info = to_m5mols(sd);
404	int ret = 0;
405	u8 status = REG_ISO_AUTO;
406
407	v4l2_dbg(1, m5mols_debug, sd, "%s: ctrl: %s (%d)\n",
408		 __func__, ctrl->name, info->isp_ready);
409
410	if (!info->isp_ready)
411		return -EBUSY;
412
413	switch (ctrl->id) {
414	case V4L2_CID_ISO_SENSITIVITY_AUTO:
415		ret = m5mols_read_u8(sd, AE_ISO, &status);
416		if (ret == 0)
417			ctrl->val = !status;
418		if (status != REG_ISO_AUTO)
419			info->iso->val = status - 1;
420		break;
421
422	case V4L2_CID_3A_LOCK:
423		ctrl->val &= ~0x7;
424
425		ret = m5mols_read_u8(sd, AE_LOCK, &status);
426		if (ret)
427			return ret;
428		if (status)
429			info->lock_3a->val |= V4L2_LOCK_EXPOSURE;
430
431		ret = m5mols_read_u8(sd, AWB_LOCK, &status);
432		if (ret)
433			return ret;
434		if (status)
435			info->lock_3a->val |= V4L2_LOCK_EXPOSURE;
436
437		ret = m5mols_read_u8(sd, AF_EXECUTE, &status);
438		if (!status)
439			info->lock_3a->val |= V4L2_LOCK_EXPOSURE;
440		break;
441	}
442
443	return ret;
444}
445
446static int m5mols_s_ctrl(struct v4l2_ctrl *ctrl)
447{
448	unsigned int ctrl_mode = m5mols_get_ctrl_mode(ctrl);
449	struct v4l2_subdev *sd = to_sd(ctrl);
450	struct m5mols_info *info = to_m5mols(sd);
451	int last_mode = info->mode;
452	int ret = 0;
453
454	/*
455	 * If needed, defer restoring the controls until
456	 * the device is fully initialized.
457	 */
458	if (!info->isp_ready) {
459		info->ctrl_sync = 0;
460		return 0;
461	}
462
463	v4l2_dbg(1, m5mols_debug, sd, "%s: %s, val: %d, priv: %p\n",
464		 __func__, ctrl->name, ctrl->val, ctrl->priv);
465
466	if (ctrl_mode && ctrl_mode != info->mode) {
467		ret = m5mols_set_mode(info, ctrl_mode);
468		if (ret < 0)
469			return ret;
470	}
471
472	switch (ctrl->id) {
473	case V4L2_CID_3A_LOCK:
474		ret = m5mols_3a_lock(info, ctrl);
475		break;
476
477	case V4L2_CID_ZOOM_ABSOLUTE:
478		ret = m5mols_write(sd, MON_ZOOM, ctrl->val);
479		break;
480
481	case V4L2_CID_EXPOSURE_AUTO:
482		ret = m5mols_set_exposure(info, ctrl->val);
483		break;
484
485	case V4L2_CID_ISO_SENSITIVITY:
486		ret = m5mols_set_iso(info, ctrl->val);
487		break;
488
489	case V4L2_CID_AUTO_N_PRESET_WHITE_BALANCE:
490		ret = m5mols_set_white_balance(info, ctrl->val);
491		break;
492
493	case V4L2_CID_SATURATION:
494		ret = m5mols_set_saturation(info, ctrl->val);
495		break;
496
497	case V4L2_CID_COLORFX:
498		ret = m5mols_set_color_effect(info, ctrl->val);
499		break;
500
501	case V4L2_CID_WIDE_DYNAMIC_RANGE:
502		ret = m5mols_set_wdr(info, ctrl->val);
503		break;
504
505	case V4L2_CID_IMAGE_STABILIZATION:
506		ret = m5mols_set_stabilization(info, ctrl->val);
507		break;
508
509	case V4L2_CID_JPEG_COMPRESSION_QUALITY:
510		ret = m5mols_write(sd, CAPP_JPEG_RATIO, ctrl->val);
511		break;
512	}
513
514	if (ret == 0 && info->mode != last_mode)
515		ret = m5mols_set_mode(info, last_mode);
516
517	return ret;
518}
519
520static const struct v4l2_ctrl_ops m5mols_ctrl_ops = {
521	.g_volatile_ctrl	= m5mols_g_volatile_ctrl,
522	.s_ctrl			= m5mols_s_ctrl,
523};
524
525/* Supported manual ISO values */
526static const s64 iso_qmenu[] = {
527	/* AE_ISO: 0x01...0x07 (ISO: 50...3200) */
528	50000, 100000, 200000, 400000, 800000, 1600000, 3200000
529};
530
531/* Supported Exposure Bias values, -2.0EV...+2.0EV */
532static const s64 ev_bias_qmenu[] = {
533	/* AE_INDEX: 0x00...0x08 */
534	-2000, -1500, -1000, -500, 0, 500, 1000, 1500, 2000
535};
536
537int m5mols_init_controls(struct v4l2_subdev *sd)
538{
539	struct m5mols_info *info = to_m5mols(sd);
540	u16 exposure_max;
541	u16 zoom_step;
542	int ret;
543
544	/* Determine the firmware dependent control range and step values */
545	ret = m5mols_read_u16(sd, AE_MAX_GAIN_MON, &exposure_max);
546	if (ret < 0)
547		return ret;
548
549	zoom_step = is_manufacturer(info, REG_SAMSUNG_OPTICS) ? 31 : 1;
550	v4l2_ctrl_handler_init(&info->handle, 20);
551
552	info->auto_wb = v4l2_ctrl_new_std_menu(&info->handle,
553			&m5mols_ctrl_ops, V4L2_CID_AUTO_N_PRESET_WHITE_BALANCE,
554			9, ~0x3fe, V4L2_WHITE_BALANCE_AUTO);
555
556	/* Exposure control cluster */
557	info->auto_exposure = v4l2_ctrl_new_std_menu(&info->handle,
558			&m5mols_ctrl_ops, V4L2_CID_EXPOSURE_AUTO,
559			1, ~0x03, V4L2_EXPOSURE_AUTO);
560
561	info->exposure = v4l2_ctrl_new_std(&info->handle,
562			&m5mols_ctrl_ops, V4L2_CID_EXPOSURE,
563			0, exposure_max, 1, exposure_max / 2);
564
565	info->exposure_bias = v4l2_ctrl_new_int_menu(&info->handle,
566			&m5mols_ctrl_ops, V4L2_CID_AUTO_EXPOSURE_BIAS,
567			ARRAY_SIZE(ev_bias_qmenu) - 1,
568			ARRAY_SIZE(ev_bias_qmenu)/2 - 1,
569			ev_bias_qmenu);
570
571	info->metering = v4l2_ctrl_new_std_menu(&info->handle,
572			&m5mols_ctrl_ops, V4L2_CID_EXPOSURE_METERING,
573			2, ~0x7, V4L2_EXPOSURE_METERING_AVERAGE);
574
575	/* ISO control cluster */
576	info->auto_iso = v4l2_ctrl_new_std_menu(&info->handle, &m5mols_ctrl_ops,
577			V4L2_CID_ISO_SENSITIVITY_AUTO, 1, ~0x03, 1);
578
579	info->iso = v4l2_ctrl_new_int_menu(&info->handle, &m5mols_ctrl_ops,
580			V4L2_CID_ISO_SENSITIVITY, ARRAY_SIZE(iso_qmenu) - 1,
581			ARRAY_SIZE(iso_qmenu)/2 - 1, iso_qmenu);
582
583	info->saturation = v4l2_ctrl_new_std(&info->handle, &m5mols_ctrl_ops,
584			V4L2_CID_SATURATION, 1, 5, 1, 3);
585
586	info->zoom = v4l2_ctrl_new_std(&info->handle, &m5mols_ctrl_ops,
587			V4L2_CID_ZOOM_ABSOLUTE, 1, 70, zoom_step, 1);
588
589	info->colorfx = v4l2_ctrl_new_std_menu(&info->handle, &m5mols_ctrl_ops,
590			V4L2_CID_COLORFX, 4, 0, V4L2_COLORFX_NONE);
591
592	info->wdr = v4l2_ctrl_new_std(&info->handle, &m5mols_ctrl_ops,
593			V4L2_CID_WIDE_DYNAMIC_RANGE, 0, 1, 1, 0);
594
595	info->stabilization = v4l2_ctrl_new_std(&info->handle, &m5mols_ctrl_ops,
596			V4L2_CID_IMAGE_STABILIZATION, 0, 1, 1, 0);
597
598	info->jpeg_quality = v4l2_ctrl_new_std(&info->handle, &m5mols_ctrl_ops,
599			V4L2_CID_JPEG_COMPRESSION_QUALITY, 1, 100, 1, 80);
600
601	info->lock_3a = v4l2_ctrl_new_std(&info->handle, &m5mols_ctrl_ops,
602			V4L2_CID_3A_LOCK, 0, 0x7, 0, 0);
603
604	if (info->handle.error) {
605		int ret = info->handle.error;
606		v4l2_err(sd, "Failed to initialize controls: %d\n", ret);
607		v4l2_ctrl_handler_free(&info->handle);
608		return ret;
609	}
610
611	v4l2_ctrl_auto_cluster(4, &info->auto_exposure, 1, false);
612	info->auto_iso->flags |= V4L2_CTRL_FLAG_VOLATILE |
613				V4L2_CTRL_FLAG_UPDATE;
614	v4l2_ctrl_auto_cluster(2, &info->auto_iso, 0, false);
615
616	info->lock_3a->flags |= V4L2_CTRL_FLAG_VOLATILE;
617
618	m5mols_set_ctrl_mode(info->auto_exposure, REG_PARAMETER);
619	m5mols_set_ctrl_mode(info->auto_wb, REG_PARAMETER);
620	m5mols_set_ctrl_mode(info->colorfx, REG_MONITOR);
621
622	sd->ctrl_handler = &info->handle;
623
624	return 0;
625}
626