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gerrit-public.fairphone.software / kernel / msm-4.9 / 2a56d2220284b0e4dd8569fa475d7053f1c40a63 / . / drivers / media / video / m5mols / m5mols_controls.c
blob: 817c16fec368c409cd09d8ea8e4f28608b6cc00e [file] [log] [blame]
HeungJun, Kimbc125102011-05-20 02:27:28 -0300[diff] [blame]1/*
2 * Controls for M-5MOLS 8M Pixel camera sensor with ISP
3 *
4 * Copyright (C) 2011 Samsung Electronics Co., Ltd.
5 * Author: HeungJun Kim, riverful.kim@samsung.com
6 *
7 * Copyright (C) 2009 Samsung Electronics Co., Ltd.
8 * Author: Dongsoo Nathaniel Kim, dongsoo45.kim@samsung.com
9 *
10 * This program is free software; you can redistribute it and/or modify
11 * it under the terms of the GNU General Public License as published by
12 * the Free Software Foundation; either version 2 of the License, or
13 * (at your option) any later version.
14 */
15
16#include <linux/i2c.h>
17#include <linux/delay.h>
18#include <linux/videodev2.h>
19#include <media/v4l2-ctrls.h>
20
21#include "m5mols.h"
22#include "m5mols_reg.h"
23
24static struct m5mols_scenemode m5mols_default_scenemode[] = {
25 [REG_SCENE_NORMAL] = {
26 REG_AE_CENTER, REG_AE_INDEX_00, REG_AWB_AUTO, 0,
27 REG_CHROMA_ON, 3, REG_EDGE_ON, 5,
28 REG_AF_NORMAL, REG_FD_OFF,
29 REG_MCC_NORMAL, REG_LIGHT_OFF, REG_FLASH_OFF,
30 5, REG_ISO_AUTO, REG_CAP_NONE, REG_WDR_OFF,
31 },
32 [REG_SCENE_PORTRAIT] = {
33 REG_AE_CENTER, REG_AE_INDEX_00, REG_AWB_AUTO, 0,
34 REG_CHROMA_ON, 3, REG_EDGE_ON, 4,
35 REG_AF_NORMAL, BIT_FD_EN | BIT_FD_DRAW_FACE_FRAME,
36 REG_MCC_OFF, REG_LIGHT_OFF, REG_FLASH_OFF,
37 6, REG_ISO_AUTO, REG_CAP_NONE, REG_WDR_OFF,
38 },
39 [REG_SCENE_LANDSCAPE] = {
40 REG_AE_ALL, REG_AE_INDEX_00, REG_AWB_AUTO, 0,
41 REG_CHROMA_ON, 4, REG_EDGE_ON, 6,
42 REG_AF_NORMAL, REG_FD_OFF,
43 REG_MCC_OFF, REG_LIGHT_OFF, REG_FLASH_OFF,
44 6, REG_ISO_AUTO, REG_CAP_NONE, REG_WDR_OFF,
45 },
46 [REG_SCENE_SPORTS] = {
47 REG_AE_CENTER, REG_AE_INDEX_00, REG_AWB_AUTO, 0,
48 REG_CHROMA_ON, 3, REG_EDGE_ON, 5,
49 REG_AF_NORMAL, REG_FD_OFF,
50 REG_MCC_OFF, REG_LIGHT_OFF, REG_FLASH_OFF,
51 6, REG_ISO_AUTO, REG_CAP_NONE, REG_WDR_OFF,
52 },
53 [REG_SCENE_PARTY_INDOOR] = {
54 REG_AE_CENTER, REG_AE_INDEX_00, REG_AWB_AUTO, 0,
55 REG_CHROMA_ON, 4, REG_EDGE_ON, 5,
56 REG_AF_NORMAL, REG_FD_OFF,
57 REG_MCC_OFF, REG_LIGHT_OFF, REG_FLASH_OFF,
58 6, REG_ISO_200, REG_CAP_NONE, REG_WDR_OFF,
59 },
60 [REG_SCENE_BEACH_SNOW] = {
61 REG_AE_CENTER, REG_AE_INDEX_10_POS, REG_AWB_AUTO, 0,
62 REG_CHROMA_ON, 4, REG_EDGE_ON, 5,
63 REG_AF_NORMAL, REG_FD_OFF,
64 REG_MCC_OFF, REG_LIGHT_OFF, REG_FLASH_OFF,
65 6, REG_ISO_50, REG_CAP_NONE, REG_WDR_OFF,
66 },
67 [REG_SCENE_SUNSET] = {
68 REG_AE_CENTER, REG_AE_INDEX_00, REG_AWB_PRESET,
69 REG_AWB_DAYLIGHT,
70 REG_CHROMA_ON, 3, REG_EDGE_ON, 5,
71 REG_AF_NORMAL, REG_FD_OFF,
72 REG_MCC_OFF, REG_LIGHT_OFF, REG_FLASH_OFF,
73 6, REG_ISO_AUTO, REG_CAP_NONE, REG_WDR_OFF,
74 },
75 [REG_SCENE_DAWN_DUSK] = {
76 REG_AE_CENTER, REG_AE_INDEX_00, REG_AWB_PRESET,
77 REG_AWB_FLUORESCENT_1,
78 REG_CHROMA_ON, 3, REG_EDGE_ON, 5,
79 REG_AF_NORMAL, REG_FD_OFF,
80 REG_MCC_OFF, REG_LIGHT_OFF, REG_FLASH_OFF,
81 6, REG_ISO_AUTO, REG_CAP_NONE, REG_WDR_OFF,
82 },
83 [REG_SCENE_FALL] = {
84 REG_AE_CENTER, REG_AE_INDEX_00, REG_AWB_AUTO, 0,
85 REG_CHROMA_ON, 5, REG_EDGE_ON, 5,
86 REG_AF_NORMAL, REG_FD_OFF,
87 REG_MCC_OFF, REG_LIGHT_OFF, REG_FLASH_OFF,
88 6, REG_ISO_AUTO, REG_CAP_NONE, REG_WDR_OFF,
89 },
90 [REG_SCENE_NIGHT] = {
91 REG_AE_CENTER, REG_AE_INDEX_00, REG_AWB_AUTO, 0,
92 REG_CHROMA_ON, 3, REG_EDGE_ON, 5,
93 REG_AF_NORMAL, REG_FD_OFF,
94 REG_MCC_OFF, REG_LIGHT_OFF, REG_FLASH_OFF,
95 6, REG_ISO_AUTO, REG_CAP_NONE, REG_WDR_OFF,
96 },
97 [REG_SCENE_AGAINST_LIGHT] = {
98 REG_AE_CENTER, REG_AE_INDEX_00, REG_AWB_AUTO, 0,
99 REG_CHROMA_ON, 3, REG_EDGE_ON, 5,
100 REG_AF_NORMAL, REG_FD_OFF,
101 REG_MCC_OFF, REG_LIGHT_OFF, REG_FLASH_OFF,
102 6, REG_ISO_AUTO, REG_CAP_NONE, REG_WDR_OFF,
103 },
104 [REG_SCENE_FIRE] = {
105 REG_AE_CENTER, REG_AE_INDEX_00, REG_AWB_AUTO, 0,
106 REG_CHROMA_ON, 3, REG_EDGE_ON, 5,
107 REG_AF_NORMAL, REG_FD_OFF,
108 REG_MCC_OFF, REG_LIGHT_OFF, REG_FLASH_OFF,
109 6, REG_ISO_50, REG_CAP_NONE, REG_WDR_OFF,
110 },
111 [REG_SCENE_TEXT] = {
112 REG_AE_CENTER, REG_AE_INDEX_00, REG_AWB_AUTO, 0,
113 REG_CHROMA_ON, 3, REG_EDGE_ON, 7,
114 REG_AF_MACRO, REG_FD_OFF,
115 REG_MCC_OFF, REG_LIGHT_OFF, REG_FLASH_OFF,
116 6, REG_ISO_AUTO, REG_CAP_ANTI_SHAKE, REG_WDR_ON,
117 },
118 [REG_SCENE_CANDLE] = {
119 REG_AE_CENTER, REG_AE_INDEX_00, REG_AWB_AUTO, 0,
120 REG_CHROMA_ON, 3, REG_EDGE_ON, 5,
121 REG_AF_NORMAL, REG_FD_OFF,
122 REG_MCC_OFF, REG_LIGHT_OFF, REG_FLASH_OFF,
123 6, REG_ISO_AUTO, REG_CAP_NONE, REG_WDR_OFF,
124 },
125};
126
127/**
128 * m5mols_do_scenemode() - Change current scenemode
129 * @mode: Desired mode of the scenemode
130 *
131 * WARNING: The execution order is important. Do not change the order.
132 */
133int m5mols_do_scenemode(struct m5mols_info *info, u32 mode)
134{
135 struct v4l2_subdev *sd = &info->sd;
136 struct m5mols_scenemode scenemode = m5mols_default_scenemode[mode];
137 int ret;
138
139 if (mode > REG_SCENE_CANDLE)
140 return -EINVAL;
141
142 ret = m5mols_lock_3a(info, false);
143 if (!ret)
144 ret = m5mols_write(sd, AE_EV_PRESET_MONITOR, mode);
145 if (!ret)
146 ret = m5mols_write(sd, AE_EV_PRESET_CAPTURE, mode);
147 if (!ret)
148 ret = m5mols_write(sd, AE_MODE, scenemode.metering);
149 if (!ret)
150 ret = m5mols_write(sd, AE_INDEX, scenemode.ev_bias);
151 if (!ret)
152 ret = m5mols_write(sd, AWB_MODE, scenemode.wb_mode);
153 if (!ret)
154 ret = m5mols_write(sd, AWB_MANUAL, scenemode.wb_preset);
155 if (!ret)
156 ret = m5mols_write(sd, MON_CHROMA_EN, scenemode.chroma_en);
157 if (!ret)
158 ret = m5mols_write(sd, MON_CHROMA_LVL, scenemode.chroma_lvl);
159 if (!ret)
160 ret = m5mols_write(sd, MON_EDGE_EN, scenemode.edge_en);
161 if (!ret)
162 ret = m5mols_write(sd, MON_EDGE_LVL, scenemode.edge_lvl);
163 if (!ret && is_available_af(info))
164 ret = m5mols_write(sd, AF_MODE, scenemode.af_range);
165 if (!ret && is_available_af(info))
166 ret = m5mols_write(sd, FD_CTL, scenemode.fd_mode);
167 if (!ret)
168 ret = m5mols_write(sd, MON_TONE_CTL, scenemode.tone);
169 if (!ret)
170 ret = m5mols_write(sd, AE_ISO, scenemode.iso);
171 if (!ret)
172 ret = m5mols_mode(info, REG_CAPTURE);
173 if (!ret)
174 ret = m5mols_write(sd, CAPP_WDR_EN, scenemode.wdr);
175 if (!ret)
176 ret = m5mols_write(sd, CAPP_MCC_MODE, scenemode.mcc);
177 if (!ret)
178 ret = m5mols_write(sd, CAPP_LIGHT_CTRL, scenemode.light);
179 if (!ret)
180 ret = m5mols_write(sd, CAPP_FLASH_CTRL, scenemode.flash);
181 if (!ret)
182 ret = m5mols_write(sd, CAPC_MODE, scenemode.capt_mode);
183 if (!ret)
184 ret = m5mols_mode(info, REG_MONITOR);
185
186 return ret;
187}
188
189static int m5mols_lock_ae(struct m5mols_info *info, bool lock)
190{
191 int ret = 0;
192
193 if (info->lock_ae != lock)
194 ret = m5mols_write(&info->sd, AE_LOCK,
195 lock ? REG_AE_LOCK : REG_AE_UNLOCK);
196 if (!ret)
197 info->lock_ae = lock;
198
199 return ret;
200}
201
202static int m5mols_lock_awb(struct m5mols_info *info, bool lock)
203{
204 int ret = 0;
205
206 if (info->lock_awb != lock)
207 ret = m5mols_write(&info->sd, AWB_LOCK,
208 lock ? REG_AWB_LOCK : REG_AWB_UNLOCK);
209 if (!ret)
210 info->lock_awb = lock;
211
212 return ret;
213}
214
215/* m5mols_lock_3a() - Lock 3A(Auto Exposure, Auto Whitebalance, Auto Focus) */
216int m5mols_lock_3a(struct m5mols_info *info, bool lock)
217{
218 int ret;
219
220 ret = m5mols_lock_ae(info, lock);
221 if (!ret)
222 ret = m5mols_lock_awb(info, lock);
223 /* Don't need to handle unlocking AF */
224 if (!ret && is_available_af(info) && lock)
225 ret = m5mols_write(&info->sd, AF_EXECUTE, REG_AF_STOP);
226
227 return ret;
228}
229
230/* m5mols_set_ctrl() - The main s_ctrl function called by m5mols_set_ctrl() */
231int m5mols_set_ctrl(struct v4l2_ctrl *ctrl)
232{
233 struct v4l2_subdev *sd = to_sd(ctrl);
234 struct m5mols_info *info = to_m5mols(sd);
235 int ret;
236
237 switch (ctrl->id) {
238 case V4L2_CID_ZOOM_ABSOLUTE:
239 return m5mols_write(sd, MON_ZOOM, ctrl->val);
240
241 case V4L2_CID_EXPOSURE_AUTO:
242 ret = m5mols_lock_ae(info,
243 ctrl->val == V4L2_EXPOSURE_AUTO ? false : true);
244 if (!ret && ctrl->val == V4L2_EXPOSURE_AUTO)
245 ret = m5mols_write(sd, AE_MODE, REG_AE_ALL);
246 if (!ret && ctrl->val == V4L2_EXPOSURE_MANUAL) {
247 int val = info->exposure->val;
248 ret = m5mols_write(sd, AE_MODE, REG_AE_OFF);
249 if (!ret)
250 ret = m5mols_write(sd, AE_MAN_GAIN_MON, val);
251 if (!ret)
252 ret = m5mols_write(sd, AE_MAN_GAIN_CAP, val);
253 }
254 return ret;
255
256 case V4L2_CID_AUTO_WHITE_BALANCE:
257 ret = m5mols_lock_awb(info, ctrl->val ? false : true);
258 if (!ret)
259 ret = m5mols_write(sd, AWB_MODE, ctrl->val ?
260 REG_AWB_AUTO : REG_AWB_PRESET);
261 return ret;
262
263 case V4L2_CID_SATURATION:
264 ret = m5mols_write(sd, MON_CHROMA_LVL, ctrl->val);
265 if (!ret)
266 ret = m5mols_write(sd, MON_CHROMA_EN, REG_CHROMA_ON);
267 return ret;
268
269 case V4L2_CID_COLORFX:
270 /*
271 * This control uses two kinds of registers: normal & color.
272 * The normal effect belongs to category 1, while the color
273 * one belongs to category 2.
274 *
275 * The normal effect uses one register: CAT1_EFFECT.
276 * The color effect uses three registers:
277 * CAT2_COLOR_EFFECT, CAT2_CFIXR, CAT2_CFIXB.
278 */
279 ret = m5mols_write(sd, PARM_EFFECT,
280 ctrl->val == V4L2_COLORFX_NEGATIVE ? REG_EFFECT_NEGA :
281 ctrl->val == V4L2_COLORFX_EMBOSS ? REG_EFFECT_EMBOSS :
282 REG_EFFECT_OFF);
283 if (!ret)
284 ret = m5mols_write(sd, MON_EFFECT,
285 ctrl->val == V4L2_COLORFX_SEPIA ?
286 REG_COLOR_EFFECT_ON : REG_COLOR_EFFECT_OFF);
287 if (!ret)
288 ret = m5mols_write(sd, MON_CFIXR,
289 ctrl->val == V4L2_COLORFX_SEPIA ?
290 REG_CFIXR_SEPIA : 0);
291 if (!ret)
292 ret = m5mols_write(sd, MON_CFIXB,
293 ctrl->val == V4L2_COLORFX_SEPIA ?
294 REG_CFIXB_SEPIA : 0);
295 return ret;
296 }
297
298 return -EINVAL;
299}