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gerrit-public.fairphone.software / kernel / msm-4.19 / f22996db44e2db73b333de25a8939fef2bab9620 / . / drivers / media / i2c / ov5640.c
blob: a44b68032f83c3adbdd16ecf71d92d8cd0daa7b6 [file] [log] [blame]
Steve Longerbeam19a81c12017-06-07 15:33:56 -0300[diff] [blame]1/*
2 * Copyright (C) 2011-2013 Freescale Semiconductor, Inc. All Rights Reserved.
3 * Copyright (C) 2014-2017 Mentor Graphics Inc.
4 *
5 * This program is free software; you can redistribute it and/or modify
6 * it under the terms of the GNU General Public License as published by
7 * the Free Software Foundation; either version 2 of the License, or
8 * (at your option) any later version.
9 */
10
11#include <linux/clk.h>
12#include <linux/clk-provider.h>
13#include <linux/clkdev.h>
14#include <linux/ctype.h>
15#include <linux/delay.h>
16#include <linux/device.h>
17#include <linux/i2c.h>
18#include <linux/init.h>
19#include <linux/module.h>
20#include <linux/of_device.h>
21#include <linux/slab.h>
22#include <linux/types.h>
23#include <linux/gpio/consumer.h>
24#include <linux/regulator/consumer.h>
25#include <media/v4l2-async.h>
26#include <media/v4l2-ctrls.h>
27#include <media/v4l2-device.h>
28#include <media/v4l2-fwnode.h>
29#include <media/v4l2-subdev.h>
30
31/* min/typical/max system clock (xclk) frequencies */
32#define OV5640_XCLK_MIN 6000000
33#define OV5640_XCLK_MAX 24000000
34
35#define OV5640_DEFAULT_SLAVE_ID 0x3c
36
Hugues Fruchetf22996d2018-01-03 04:57:31 -0500[diff] [blame^]37#define OV5640_REG_SYS_CTRL0 0x3008
Steve Longerbeam19a81c12017-06-07 15:33:56 -0300[diff] [blame]38#define OV5640_REG_CHIP_ID 0x300a
Hugues Fruchetf22996d2018-01-03 04:57:31 -0500[diff] [blame^]39#define OV5640_REG_IO_MIPI_CTRL00 0x300e
40#define OV5640_REG_PAD_OUTPUT_ENABLE01 0x3017
41#define OV5640_REG_PAD_OUTPUT_ENABLE02 0x3018
Steve Longerbeam19a81c12017-06-07 15:33:56 -0300[diff] [blame]42#define OV5640_REG_PAD_OUTPUT00 0x3019
Hugues Fruchetf22996d2018-01-03 04:57:31 -0500[diff] [blame^]43#define OV5640_REG_SYSTEM_CONTROL1 0x302e
Steve Longerbeam19a81c12017-06-07 15:33:56 -0300[diff] [blame]44#define OV5640_REG_SC_PLL_CTRL0 0x3034
45#define OV5640_REG_SC_PLL_CTRL1 0x3035
46#define OV5640_REG_SC_PLL_CTRL2 0x3036
47#define OV5640_REG_SC_PLL_CTRL3 0x3037
48#define OV5640_REG_SLAVE_ID 0x3100
Hugues Fruchetf22996d2018-01-03 04:57:31 -0500[diff] [blame^]49#define OV5640_REG_SCCB_SYS_CTRL1 0x3103
Steve Longerbeam19a81c12017-06-07 15:33:56 -0300[diff] [blame]50#define OV5640_REG_SYS_ROOT_DIVIDER 0x3108
51#define OV5640_REG_AWB_R_GAIN 0x3400
52#define OV5640_REG_AWB_G_GAIN 0x3402
53#define OV5640_REG_AWB_B_GAIN 0x3404
54#define OV5640_REG_AWB_MANUAL_CTRL 0x3406
55#define OV5640_REG_AEC_PK_EXPOSURE_HI 0x3500
56#define OV5640_REG_AEC_PK_EXPOSURE_MED 0x3501
57#define OV5640_REG_AEC_PK_EXPOSURE_LO 0x3502
58#define OV5640_REG_AEC_PK_MANUAL 0x3503
59#define OV5640_REG_AEC_PK_REAL_GAIN 0x350a
60#define OV5640_REG_AEC_PK_VTS 0x350c
61#define OV5640_REG_TIMING_HTS 0x380c
62#define OV5640_REG_TIMING_VTS 0x380e
63#define OV5640_REG_TIMING_TC_REG21 0x3821
64#define OV5640_REG_AEC_CTRL00 0x3a00
65#define OV5640_REG_AEC_B50_STEP 0x3a08
66#define OV5640_REG_AEC_B60_STEP 0x3a0a
67#define OV5640_REG_AEC_CTRL0D 0x3a0d
68#define OV5640_REG_AEC_CTRL0E 0x3a0e
69#define OV5640_REG_AEC_CTRL0F 0x3a0f
70#define OV5640_REG_AEC_CTRL10 0x3a10
71#define OV5640_REG_AEC_CTRL11 0x3a11
72#define OV5640_REG_AEC_CTRL1B 0x3a1b
73#define OV5640_REG_AEC_CTRL1E 0x3a1e
74#define OV5640_REG_AEC_CTRL1F 0x3a1f
75#define OV5640_REG_HZ5060_CTRL00 0x3c00
76#define OV5640_REG_HZ5060_CTRL01 0x3c01
77#define OV5640_REG_SIGMADELTA_CTRL0C 0x3c0c
78#define OV5640_REG_FRAME_CTRL01 0x4202
Hugues Fruchetf22996d2018-01-03 04:57:31 -0500[diff] [blame^]79#define OV5640_REG_POLARITY_CTRL00 0x4740
Steve Longerbeam19a81c12017-06-07 15:33:56 -0300[diff] [blame]80#define OV5640_REG_MIPI_CTRL00 0x4800
81#define OV5640_REG_DEBUG_MODE 0x4814
82#define OV5640_REG_PRE_ISP_TEST_SET1 0x503d
83#define OV5640_REG_SDE_CTRL0 0x5580
84#define OV5640_REG_SDE_CTRL1 0x5581
85#define OV5640_REG_SDE_CTRL3 0x5583
86#define OV5640_REG_SDE_CTRL4 0x5584
87#define OV5640_REG_SDE_CTRL5 0x5585
88#define OV5640_REG_AVG_READOUT 0x56a1
89
90enum ov5640_mode_id {
91 OV5640_MODE_QCIF_176_144 = 0,
92 OV5640_MODE_QVGA_320_240,
93 OV5640_MODE_VGA_640_480,
94 OV5640_MODE_NTSC_720_480,
95 OV5640_MODE_PAL_720_576,
96 OV5640_MODE_XGA_1024_768,
97 OV5640_MODE_720P_1280_720,
98 OV5640_MODE_1080P_1920_1080,
99 OV5640_MODE_QSXGA_2592_1944,
100 OV5640_NUM_MODES,
101};
102
103enum ov5640_frame_rate {
104 OV5640_15_FPS = 0,
105 OV5640_30_FPS,
106 OV5640_NUM_FRAMERATES,
107};
108
109/*
110 * FIXME: remove this when a subdev API becomes available
111 * to set the MIPI CSI-2 virtual channel.
112 */
113static unsigned int virtual_channel;
114module_param(virtual_channel, int, 0);
115MODULE_PARM_DESC(virtual_channel,
116 "MIPI CSI-2 virtual channel (0..3), default 0");
117
118static const int ov5640_framerates[] = {
119 [OV5640_15_FPS] = 15,
120 [OV5640_30_FPS] = 30,
121};
122
123/* regulator supplies */
124static const char * const ov5640_supply_name[] = {
125 "DOVDD", /* Digital I/O (1.8V) suppply */
126 "DVDD", /* Digital Core (1.5V) supply */
127 "AVDD", /* Analog (2.8V) supply */
128};
129
130#define OV5640_NUM_SUPPLIES ARRAY_SIZE(ov5640_supply_name)
131
132/*
133 * Image size under 1280 * 960 are SUBSAMPLING
134 * Image size upper 1280 * 960 are SCALING
135 */
136enum ov5640_downsize_mode {
137 SUBSAMPLING,
138 SCALING,
139};
140
141struct reg_value {
142 u16 reg_addr;
143 u8 val;
144 u8 mask;
145 u32 delay_ms;
146};
147
148struct ov5640_mode_info {
149 enum ov5640_mode_id id;
150 enum ov5640_downsize_mode dn_mode;
151 u32 width;
152 u32 height;
153 const struct reg_value *reg_data;
154 u32 reg_data_size;
155};
156
157struct ov5640_ctrls {
158 struct v4l2_ctrl_handler handler;
159 struct {
160 struct v4l2_ctrl *auto_exp;
161 struct v4l2_ctrl *exposure;
162 };
163 struct {
164 struct v4l2_ctrl *auto_wb;
165 struct v4l2_ctrl *blue_balance;
166 struct v4l2_ctrl *red_balance;
167 };
168 struct {
169 struct v4l2_ctrl *auto_gain;
170 struct v4l2_ctrl *gain;
171 };
172 struct v4l2_ctrl *brightness;
173 struct v4l2_ctrl *saturation;
174 struct v4l2_ctrl *contrast;
175 struct v4l2_ctrl *hue;
176 struct v4l2_ctrl *test_pattern;
177};
178
179struct ov5640_dev {
180 struct i2c_client *i2c_client;
181 struct v4l2_subdev sd;
182 struct media_pad pad;
183 struct v4l2_fwnode_endpoint ep; /* the parsed DT endpoint info */
184 struct clk *xclk; /* system clock to OV5640 */
185 u32 xclk_freq;
186
187 struct regulator_bulk_data supplies[OV5640_NUM_SUPPLIES];
188 struct gpio_desc *reset_gpio;
189 struct gpio_desc *pwdn_gpio;
190
191 /* lock to protect all members below */
192 struct mutex lock;
193
194 int power_count;
195
196 struct v4l2_mbus_framefmt fmt;
197
198 const struct ov5640_mode_info *current_mode;
199 enum ov5640_frame_rate current_fr;
200 struct v4l2_fract frame_interval;
201
202 struct ov5640_ctrls ctrls;
203
204 u32 prev_sysclk, prev_hts;
205 u32 ae_low, ae_high, ae_target;
206
207 bool pending_mode_change;
208 bool streaming;
209};
210
211static inline struct ov5640_dev *to_ov5640_dev(struct v4l2_subdev *sd)
212{
213 return container_of(sd, struct ov5640_dev, sd);
214}
215
216static inline struct v4l2_subdev *ctrl_to_sd(struct v4l2_ctrl *ctrl)
217{
218 return &container_of(ctrl->handler, struct ov5640_dev,
219 ctrls.handler)->sd;
220}
221
222/*
223 * FIXME: all of these register tables are likely filled with
224 * entries that set the register to their power-on default values,
225 * and which are otherwise not touched by this driver. Those entries
226 * should be identified and removed to speed register load time
227 * over i2c.
228 */
229
230static const struct reg_value ov5640_init_setting_30fps_VGA[] = {
231
232 {0x3103, 0x11, 0, 0}, {0x3008, 0x82, 0, 5}, {0x3008, 0x42, 0, 0},
233 {0x3103, 0x03, 0, 0}, {0x3017, 0x00, 0, 0}, {0x3018, 0x00, 0, 0},
234 {0x3034, 0x18, 0, 0}, {0x3035, 0x14, 0, 0}, {0x3036, 0x38, 0, 0},
235 {0x3037, 0x13, 0, 0}, {0x3108, 0x01, 0, 0}, {0x3630, 0x36, 0, 0},
236 {0x3631, 0x0e, 0, 0}, {0x3632, 0xe2, 0, 0}, {0x3633, 0x12, 0, 0},
237 {0x3621, 0xe0, 0, 0}, {0x3704, 0xa0, 0, 0}, {0x3703, 0x5a, 0, 0},
238 {0x3715, 0x78, 0, 0}, {0x3717, 0x01, 0, 0}, {0x370b, 0x60, 0, 0},
239 {0x3705, 0x1a, 0, 0}, {0x3905, 0x02, 0, 0}, {0x3906, 0x10, 0, 0},
240 {0x3901, 0x0a, 0, 0}, {0x3731, 0x12, 0, 0}, {0x3600, 0x08, 0, 0},
241 {0x3601, 0x33, 0, 0}, {0x302d, 0x60, 0, 0}, {0x3620, 0x52, 0, 0},
242 {0x371b, 0x20, 0, 0}, {0x471c, 0x50, 0, 0}, {0x3a13, 0x43, 0, 0},
243 {0x3a18, 0x00, 0, 0}, {0x3a19, 0xf8, 0, 0}, {0x3635, 0x13, 0, 0},
244 {0x3636, 0x03, 0, 0}, {0x3634, 0x40, 0, 0}, {0x3622, 0x01, 0, 0},
245 {0x3c01, 0xa4, 0, 0}, {0x3c04, 0x28, 0, 0}, {0x3c05, 0x98, 0, 0},
246 {0x3c06, 0x00, 0, 0}, {0x3c07, 0x08, 0, 0}, {0x3c08, 0x00, 0, 0},
247 {0x3c09, 0x1c, 0, 0}, {0x3c0a, 0x9c, 0, 0}, {0x3c0b, 0x40, 0, 0},
248 {0x3820, 0x41, 0, 0}, {0x3821, 0x07, 0, 0}, {0x3814, 0x31, 0, 0},
249 {0x3815, 0x31, 0, 0}, {0x3800, 0x00, 0, 0}, {0x3801, 0x00, 0, 0},
250 {0x3802, 0x00, 0, 0}, {0x3803, 0x04, 0, 0}, {0x3804, 0x0a, 0, 0},
251 {0x3805, 0x3f, 0, 0}, {0x3806, 0x07, 0, 0}, {0x3807, 0x9b, 0, 0},
252 {0x3808, 0x02, 0, 0}, {0x3809, 0x80, 0, 0}, {0x380a, 0x01, 0, 0},
253 {0x380b, 0xe0, 0, 0}, {0x380c, 0x07, 0, 0}, {0x380d, 0x68, 0, 0},
254 {0x380e, 0x03, 0, 0}, {0x380f, 0xd8, 0, 0}, {0x3810, 0x00, 0, 0},
255 {0x3811, 0x10, 0, 0}, {0x3812, 0x00, 0, 0}, {0x3813, 0x06, 0, 0},
256 {0x3618, 0x00, 0, 0}, {0x3612, 0x29, 0, 0}, {0x3708, 0x64, 0, 0},
257 {0x3709, 0x52, 0, 0}, {0x370c, 0x03, 0, 0}, {0x3a02, 0x03, 0, 0},
258 {0x3a03, 0xd8, 0, 0}, {0x3a08, 0x01, 0, 0}, {0x3a09, 0x27, 0, 0},
259 {0x3a0a, 0x00, 0, 0}, {0x3a0b, 0xf6, 0, 0}, {0x3a0e, 0x03, 0, 0},
260 {0x3a0d, 0x04, 0, 0}, {0x3a14, 0x03, 0, 0}, {0x3a15, 0xd8, 0, 0},
261 {0x4001, 0x02, 0, 0}, {0x4004, 0x02, 0, 0}, {0x3000, 0x00, 0, 0},
262 {0x3002, 0x1c, 0, 0}, {0x3004, 0xff, 0, 0}, {0x3006, 0xc3, 0, 0},
263 {0x300e, 0x45, 0, 0}, {0x302e, 0x08, 0, 0}, {0x4300, 0x3f, 0, 0},
264 {0x501f, 0x00, 0, 0}, {0x4713, 0x03, 0, 0}, {0x4407, 0x04, 0, 0},
265 {0x440e, 0x00, 0, 0}, {0x460b, 0x35, 0, 0}, {0x460c, 0x22, 0, 0},
266 {0x4837, 0x0a, 0, 0}, {0x4800, 0x04, 0, 0}, {0x3824, 0x02, 0, 0},
267 {0x5000, 0xa7, 0, 0}, {0x5001, 0xa3, 0, 0}, {0x5180, 0xff, 0, 0},
268 {0x5181, 0xf2, 0, 0}, {0x5182, 0x00, 0, 0}, {0x5183, 0x14, 0, 0},
269 {0x5184, 0x25, 0, 0}, {0x5185, 0x24, 0, 0}, {0x5186, 0x09, 0, 0},
270 {0x5187, 0x09, 0, 0}, {0x5188, 0x09, 0, 0}, {0x5189, 0x88, 0, 0},
271 {0x518a, 0x54, 0, 0}, {0x518b, 0xee, 0, 0}, {0x518c, 0xb2, 0, 0},
272 {0x518d, 0x50, 0, 0}, {0x518e, 0x34, 0, 0}, {0x518f, 0x6b, 0, 0},
273 {0x5190, 0x46, 0, 0}, {0x5191, 0xf8, 0, 0}, {0x5192, 0x04, 0, 0},
274 {0x5193, 0x70, 0, 0}, {0x5194, 0xf0, 0, 0}, {0x5195, 0xf0, 0, 0},
275 {0x5196, 0x03, 0, 0}, {0x5197, 0x01, 0, 0}, {0x5198, 0x04, 0, 0},
276 {0x5199, 0x6c, 0, 0}, {0x519a, 0x04, 0, 0}, {0x519b, 0x00, 0, 0},
277 {0x519c, 0x09, 0, 0}, {0x519d, 0x2b, 0, 0}, {0x519e, 0x38, 0, 0},
278 {0x5381, 0x1e, 0, 0}, {0x5382, 0x5b, 0, 0}, {0x5383, 0x08, 0, 0},
279 {0x5384, 0x0a, 0, 0}, {0x5385, 0x7e, 0, 0}, {0x5386, 0x88, 0, 0},
280 {0x5387, 0x7c, 0, 0}, {0x5388, 0x6c, 0, 0}, {0x5389, 0x10, 0, 0},
281 {0x538a, 0x01, 0, 0}, {0x538b, 0x98, 0, 0}, {0x5300, 0x08, 0, 0},
282 {0x5301, 0x30, 0, 0}, {0x5302, 0x10, 0, 0}, {0x5303, 0x00, 0, 0},
283 {0x5304, 0x08, 0, 0}, {0x5305, 0x30, 0, 0}, {0x5306, 0x08, 0, 0},
284 {0x5307, 0x16, 0, 0}, {0x5309, 0x08, 0, 0}, {0x530a, 0x30, 0, 0},
285 {0x530b, 0x04, 0, 0}, {0x530c, 0x06, 0, 0}, {0x5480, 0x01, 0, 0},
286 {0x5481, 0x08, 0, 0}, {0x5482, 0x14, 0, 0}, {0x5483, 0x28, 0, 0},
287 {0x5484, 0x51, 0, 0}, {0x5485, 0x65, 0, 0}, {0x5486, 0x71, 0, 0},
288 {0x5487, 0x7d, 0, 0}, {0x5488, 0x87, 0, 0}, {0x5489, 0x91, 0, 0},
289 {0x548a, 0x9a, 0, 0}, {0x548b, 0xaa, 0, 0}, {0x548c, 0xb8, 0, 0},
290 {0x548d, 0xcd, 0, 0}, {0x548e, 0xdd, 0, 0}, {0x548f, 0xea, 0, 0},
291 {0x5490, 0x1d, 0, 0}, {0x5580, 0x02, 0, 0}, {0x5583, 0x40, 0, 0},
292 {0x5584, 0x10, 0, 0}, {0x5589, 0x10, 0, 0}, {0x558a, 0x00, 0, 0},
293 {0x558b, 0xf8, 0, 0}, {0x5800, 0x23, 0, 0}, {0x5801, 0x14, 0, 0},
294 {0x5802, 0x0f, 0, 0}, {0x5803, 0x0f, 0, 0}, {0x5804, 0x12, 0, 0},
295 {0x5805, 0x26, 0, 0}, {0x5806, 0x0c, 0, 0}, {0x5807, 0x08, 0, 0},
296 {0x5808, 0x05, 0, 0}, {0x5809, 0x05, 0, 0}, {0x580a, 0x08, 0, 0},
297 {0x580b, 0x0d, 0, 0}, {0x580c, 0x08, 0, 0}, {0x580d, 0x03, 0, 0},
298 {0x580e, 0x00, 0, 0}, {0x580f, 0x00, 0, 0}, {0x5810, 0x03, 0, 0},
299 {0x5811, 0x09, 0, 0}, {0x5812, 0x07, 0, 0}, {0x5813, 0x03, 0, 0},
300 {0x5814, 0x00, 0, 0}, {0x5815, 0x01, 0, 0}, {0x5816, 0x03, 0, 0},
301 {0x5817, 0x08, 0, 0}, {0x5818, 0x0d, 0, 0}, {0x5819, 0x08, 0, 0},
302 {0x581a, 0x05, 0, 0}, {0x581b, 0x06, 0, 0}, {0x581c, 0x08, 0, 0},
303 {0x581d, 0x0e, 0, 0}, {0x581e, 0x29, 0, 0}, {0x581f, 0x17, 0, 0},
304 {0x5820, 0x11, 0, 0}, {0x5821, 0x11, 0, 0}, {0x5822, 0x15, 0, 0},
305 {0x5823, 0x28, 0, 0}, {0x5824, 0x46, 0, 0}, {0x5825, 0x26, 0, 0},
306 {0x5826, 0x08, 0, 0}, {0x5827, 0x26, 0, 0}, {0x5828, 0x64, 0, 0},
307 {0x5829, 0x26, 0, 0}, {0x582a, 0x24, 0, 0}, {0x582b, 0x22, 0, 0},
308 {0x582c, 0x24, 0, 0}, {0x582d, 0x24, 0, 0}, {0x582e, 0x06, 0, 0},
309 {0x582f, 0x22, 0, 0}, {0x5830, 0x40, 0, 0}, {0x5831, 0x42, 0, 0},
310 {0x5832, 0x24, 0, 0}, {0x5833, 0x26, 0, 0}, {0x5834, 0x24, 0, 0},
311 {0x5835, 0x22, 0, 0}, {0x5836, 0x22, 0, 0}, {0x5837, 0x26, 0, 0},
312 {0x5838, 0x44, 0, 0}, {0x5839, 0x24, 0, 0}, {0x583a, 0x26, 0, 0},
313 {0x583b, 0x28, 0, 0}, {0x583c, 0x42, 0, 0}, {0x583d, 0xce, 0, 0},
314 {0x5025, 0x00, 0, 0}, {0x3a0f, 0x30, 0, 0}, {0x3a10, 0x28, 0, 0},
315 {0x3a1b, 0x30, 0, 0}, {0x3a1e, 0x26, 0, 0}, {0x3a11, 0x60, 0, 0},
316 {0x3a1f, 0x14, 0, 0}, {0x3008, 0x02, 0, 0}, {0x3c00, 0x04, 0, 300},
317};
318
319static const struct reg_value ov5640_setting_30fps_VGA_640_480[] = {
320
321 {0x3035, 0x14, 0, 0}, {0x3036, 0x38, 0, 0}, {0x3c07, 0x08, 0, 0},
322 {0x3c09, 0x1c, 0, 0}, {0x3c0a, 0x9c, 0, 0}, {0x3c0b, 0x40, 0, 0},
323 {0x3820, 0x41, 0, 0}, {0x3821, 0x07, 0, 0}, {0x3814, 0x31, 0, 0},
324 {0x3815, 0x31, 0, 0}, {0x3800, 0x00, 0, 0}, {0x3801, 0x00, 0, 0},
325 {0x3802, 0x00, 0, 0}, {0x3803, 0x04, 0, 0}, {0x3804, 0x0a, 0, 0},
326 {0x3805, 0x3f, 0, 0}, {0x3806, 0x07, 0, 0}, {0x3807, 0x9b, 0, 0},
327 {0x3808, 0x02, 0, 0}, {0x3809, 0x80, 0, 0}, {0x380a, 0x01, 0, 0},
328 {0x380b, 0xe0, 0, 0}, {0x380c, 0x07, 0, 0}, {0x380d, 0x68, 0, 0},
329 {0x380e, 0x04, 0, 0}, {0x380f, 0x38, 0, 0}, {0x3810, 0x00, 0, 0},
330 {0x3811, 0x10, 0, 0}, {0x3812, 0x00, 0, 0}, {0x3813, 0x06, 0, 0},
331 {0x3618, 0x00, 0, 0}, {0x3612, 0x29, 0, 0}, {0x3708, 0x64, 0, 0},
332 {0x3709, 0x52, 0, 0}, {0x370c, 0x03, 0, 0}, {0x3a02, 0x03, 0, 0},
333 {0x3a03, 0xd8, 0, 0}, {0x3a08, 0x01, 0, 0}, {0x3a09, 0x0e, 0, 0},
334 {0x3a0a, 0x00, 0, 0}, {0x3a0b, 0xf6, 0, 0}, {0x3a0e, 0x03, 0, 0},
335 {0x3a0d, 0x04, 0, 0}, {0x3a14, 0x03, 0, 0}, {0x3a15, 0xd8, 0, 0},
336 {0x4001, 0x02, 0, 0}, {0x4004, 0x02, 0, 0}, {0x4713, 0x03, 0, 0},
337 {0x4407, 0x04, 0, 0}, {0x460b, 0x35, 0, 0}, {0x460c, 0x22, 0, 0},
338 {0x3824, 0x02, 0, 0}, {0x5001, 0xa3, 0, 0}, {0x3503, 0x00, 0, 0},
339};
340
341static const struct reg_value ov5640_setting_15fps_VGA_640_480[] = {
342 {0x3035, 0x22, 0, 0}, {0x3036, 0x38, 0, 0}, {0x3c07, 0x08, 0, 0},
343 {0x3c09, 0x1c, 0, 0}, {0x3c0a, 0x9c, 0, 0}, {0x3c0b, 0x40, 0, 0},
344 {0x3820, 0x41, 0, 0}, {0x3821, 0x07, 0, 0}, {0x3814, 0x31, 0, 0},
345 {0x3815, 0x31, 0, 0}, {0x3800, 0x00, 0, 0}, {0x3801, 0x00, 0, 0},
346 {0x3802, 0x00, 0, 0}, {0x3803, 0x04, 0, 0}, {0x3804, 0x0a, 0, 0},
347 {0x3805, 0x3f, 0, 0}, {0x3806, 0x07, 0, 0}, {0x3807, 0x9b, 0, 0},
348 {0x3808, 0x02, 0, 0}, {0x3809, 0x80, 0, 0}, {0x380a, 0x01, 0, 0},
349 {0x380b, 0xe0, 0, 0}, {0x380c, 0x07, 0, 0}, {0x380d, 0x68, 0, 0},
350 {0x380e, 0x03, 0, 0}, {0x380f, 0xd8, 0, 0}, {0x3810, 0x00, 0, 0},
351 {0x3811, 0x10, 0, 0}, {0x3812, 0x00, 0, 0}, {0x3813, 0x06, 0, 0},
352 {0x3618, 0x00, 0, 0}, {0x3612, 0x29, 0, 0}, {0x3708, 0x64, 0, 0},
353 {0x3709, 0x52, 0, 0}, {0x370c, 0x03, 0, 0}, {0x3a02, 0x03, 0, 0},
354 {0x3a03, 0xd8, 0, 0}, {0x3a08, 0x01, 0, 0}, {0x3a09, 0x27, 0, 0},
355 {0x3a0a, 0x00, 0, 0}, {0x3a0b, 0xf6, 0, 0}, {0x3a0e, 0x03, 0, 0},
356 {0x3a0d, 0x04, 0, 0}, {0x3a14, 0x03, 0, 0}, {0x3a15, 0xd8, 0, 0},
357 {0x4001, 0x02, 0, 0}, {0x4004, 0x02, 0, 0}, {0x4713, 0x03, 0, 0},
358 {0x4407, 0x04, 0, 0}, {0x460b, 0x35, 0, 0}, {0x460c, 0x22, 0, 0},
359 {0x3824, 0x02, 0, 0}, {0x5001, 0xa3, 0, 0},
360};
361
362static const struct reg_value ov5640_setting_30fps_XGA_1024_768[] = {
363
364 {0x3035, 0x14, 0, 0}, {0x3036, 0x38, 0, 0}, {0x3c07, 0x08, 0, 0},
365 {0x3c09, 0x1c, 0, 0}, {0x3c0a, 0x9c, 0, 0}, {0x3c0b, 0x40, 0, 0},
366 {0x3820, 0x41, 0, 0}, {0x3821, 0x07, 0, 0}, {0x3814, 0x31, 0, 0},
367 {0x3815, 0x31, 0, 0}, {0x3800, 0x00, 0, 0}, {0x3801, 0x00, 0, 0},
368 {0x3802, 0x00, 0, 0}, {0x3803, 0x04, 0, 0}, {0x3804, 0x0a, 0, 0},
369 {0x3805, 0x3f, 0, 0}, {0x3806, 0x07, 0, 0}, {0x3807, 0x9b, 0, 0},
370 {0x3808, 0x02, 0, 0}, {0x3809, 0x80, 0, 0}, {0x380a, 0x01, 0, 0},
371 {0x380b, 0xe0, 0, 0}, {0x380c, 0x07, 0, 0}, {0x380d, 0x68, 0, 0},
372 {0x380e, 0x04, 0, 0}, {0x380f, 0x38, 0, 0}, {0x3810, 0x00, 0, 0},
373 {0x3811, 0x10, 0, 0}, {0x3812, 0x00, 0, 0}, {0x3813, 0x06, 0, 0},
374 {0x3618, 0x00, 0, 0}, {0x3612, 0x29, 0, 0}, {0x3708, 0x64, 0, 0},
375 {0x3709, 0x52, 0, 0}, {0x370c, 0x03, 0, 0}, {0x3a02, 0x03, 0, 0},
376 {0x3a03, 0xd8, 0, 0}, {0x3a08, 0x01, 0, 0}, {0x3a09, 0x0e, 0, 0},
377 {0x3a0a, 0x00, 0, 0}, {0x3a0b, 0xf6, 0, 0}, {0x3a0e, 0x03, 0, 0},
378 {0x3a0d, 0x04, 0, 0}, {0x3a14, 0x03, 0, 0}, {0x3a15, 0xd8, 0, 0},
379 {0x4001, 0x02, 0, 0}, {0x4004, 0x02, 0, 0}, {0x4713, 0x03, 0, 0},
380 {0x4407, 0x04, 0, 0}, {0x460b, 0x35, 0, 0}, {0x460c, 0x22, 0, 0},
381 {0x3824, 0x02, 0, 0}, {0x5001, 0xa3, 0, 0}, {0x3503, 0x00, 0, 0},
382 {0x3808, 0x04, 0, 0}, {0x3809, 0x00, 0, 0}, {0x380a, 0x03, 0, 0},
383 {0x380b, 0x00, 0, 0}, {0x3035, 0x12, 0, 0},
384};
385
386static const struct reg_value ov5640_setting_15fps_XGA_1024_768[] = {
387 {0x3035, 0x22, 0, 0}, {0x3036, 0x38, 0, 0}, {0x3c07, 0x08, 0, 0},
388 {0x3c09, 0x1c, 0, 0}, {0x3c0a, 0x9c, 0, 0}, {0x3c0b, 0x40, 0, 0},
389 {0x3820, 0x41, 0, 0}, {0x3821, 0x07, 0, 0}, {0x3814, 0x31, 0, 0},
390 {0x3815, 0x31, 0, 0}, {0x3800, 0x00, 0, 0}, {0x3801, 0x00, 0, 0},
391 {0x3802, 0x00, 0, 0}, {0x3803, 0x04, 0, 0}, {0x3804, 0x0a, 0, 0},
392 {0x3805, 0x3f, 0, 0}, {0x3806, 0x07, 0, 0}, {0x3807, 0x9b, 0, 0},
393 {0x3808, 0x02, 0, 0}, {0x3809, 0x80, 0, 0}, {0x380a, 0x01, 0, 0},
394 {0x380b, 0xe0, 0, 0}, {0x380c, 0x07, 0, 0}, {0x380d, 0x68, 0, 0},
395 {0x380e, 0x03, 0, 0}, {0x380f, 0xd8, 0, 0}, {0x3810, 0x00, 0, 0},
396 {0x3811, 0x10, 0, 0}, {0x3812, 0x00, 0, 0}, {0x3813, 0x06, 0, 0},
397 {0x3618, 0x00, 0, 0}, {0x3612, 0x29, 0, 0}, {0x3708, 0x64, 0, 0},
398 {0x3709, 0x52, 0, 0}, {0x370c, 0x03, 0, 0}, {0x3a02, 0x03, 0, 0},
399 {0x3a03, 0xd8, 0, 0}, {0x3a08, 0x01, 0, 0}, {0x3a09, 0x27, 0, 0},
400 {0x3a0a, 0x00, 0, 0}, {0x3a0b, 0xf6, 0, 0}, {0x3a0e, 0x03, 0, 0},
401 {0x3a0d, 0x04, 0, 0}, {0x3a14, 0x03, 0, 0}, {0x3a15, 0xd8, 0, 0},
402 {0x4001, 0x02, 0, 0}, {0x4004, 0x02, 0, 0}, {0x4713, 0x03, 0, 0},
403 {0x4407, 0x04, 0, 0}, {0x460b, 0x35, 0, 0}, {0x460c, 0x22, 0, 0},
404 {0x3824, 0x02, 0, 0}, {0x5001, 0xa3, 0, 0}, {0x3808, 0x04, 0, 0},
405 {0x3809, 0x00, 0, 0}, {0x380a, 0x03, 0, 0}, {0x380b, 0x00, 0, 0},
406};
407
408static const struct reg_value ov5640_setting_30fps_QVGA_320_240[] = {
409 {0x3035, 0x14, 0, 0}, {0x3036, 0x38, 0, 0}, {0x3c07, 0x08, 0, 0},
410 {0x3c09, 0x1c, 0, 0}, {0x3c0a, 0x9c, 0, 0}, {0x3c0b, 0x40, 0, 0},
411 {0x3820, 0x41, 0, 0}, {0x3821, 0x07, 0, 0}, {0x3814, 0x31, 0, 0},
412 {0x3815, 0x31, 0, 0}, {0x3800, 0x00, 0, 0}, {0x3801, 0x00, 0, 0},
413 {0x3802, 0x00, 0, 0}, {0x3803, 0x04, 0, 0}, {0x3804, 0x0a, 0, 0},
414 {0x3805, 0x3f, 0, 0}, {0x3806, 0x07, 0, 0}, {0x3807, 0x9b, 0, 0},
415 {0x3808, 0x01, 0, 0}, {0x3809, 0x40, 0, 0}, {0x380a, 0x00, 0, 0},
416 {0x380b, 0xf0, 0, 0}, {0x380c, 0x07, 0, 0}, {0x380d, 0x68, 0, 0},
417 {0x380e, 0x03, 0, 0}, {0x380f, 0xd8, 0, 0}, {0x3810, 0x00, 0, 0},
418 {0x3811, 0x10, 0, 0}, {0x3812, 0x00, 0, 0}, {0x3813, 0x06, 0, 0},
419 {0x3618, 0x00, 0, 0}, {0x3612, 0x29, 0, 0}, {0x3708, 0x64, 0, 0},
420 {0x3709, 0x52, 0, 0}, {0x370c, 0x03, 0, 0}, {0x3a02, 0x03, 0, 0},
421 {0x3a03, 0xd8, 0, 0}, {0x3a08, 0x01, 0, 0}, {0x3a09, 0x27, 0, 0},
422 {0x3a0a, 0x00, 0, 0}, {0x3a0b, 0xf6, 0, 0}, {0x3a0e, 0x03, 0, 0},
423 {0x3a0d, 0x04, 0, 0}, {0x3a14, 0x03, 0, 0}, {0x3a15, 0xd8, 0, 0},
424 {0x4001, 0x02, 0, 0}, {0x4004, 0x02, 0, 0}, {0x4713, 0x03, 0, 0},
425 {0x4407, 0x04, 0, 0}, {0x460b, 0x35, 0, 0}, {0x460c, 0x22, 0, 0},
426 {0x3824, 0x02, 0, 0}, {0x5001, 0xa3, 0, 0},
427};
428
429static const struct reg_value ov5640_setting_15fps_QVGA_320_240[] = {
430 {0x3035, 0x22, 0, 0}, {0x3036, 0x38, 0, 0}, {0x3c07, 0x08, 0, 0},
431 {0x3c09, 0x1c, 0, 0}, {0x3c0a, 0x9c, 0, 0}, {0x3c0b, 0x40, 0, 0},
432 {0x3820, 0x41, 0, 0}, {0x3821, 0x07, 0, 0}, {0x3814, 0x31, 0, 0},
433 {0x3815, 0x31, 0, 0}, {0x3800, 0x00, 0, 0}, {0x3801, 0x00, 0, 0},
434 {0x3802, 0x00, 0, 0}, {0x3803, 0x04, 0, 0}, {0x3804, 0x0a, 0, 0},
435 {0x3805, 0x3f, 0, 0}, {0x3806, 0x07, 0, 0}, {0x3807, 0x9b, 0, 0},
436 {0x3808, 0x01, 0, 0}, {0x3809, 0x40, 0, 0}, {0x380a, 0x00, 0, 0},
437 {0x380b, 0xf0, 0, 0}, {0x380c, 0x07, 0, 0}, {0x380d, 0x68, 0, 0},
438 {0x380e, 0x03, 0, 0}, {0x380f, 0xd8, 0, 0}, {0x3810, 0x00, 0, 0},
439 {0x3811, 0x10, 0, 0}, {0x3812, 0x00, 0, 0}, {0x3813, 0x06, 0, 0},
440 {0x3618, 0x00, 0, 0}, {0x3612, 0x29, 0, 0}, {0x3708, 0x64, 0, 0},
441 {0x3709, 0x52, 0, 0}, {0x370c, 0x03, 0, 0}, {0x3a02, 0x03, 0, 0},
442 {0x3a03, 0xd8, 0, 0}, {0x3a08, 0x01, 0, 0}, {0x3a09, 0x27, 0, 0},
443 {0x3a0a, 0x00, 0, 0}, {0x3a0b, 0xf6, 0, 0}, {0x3a0e, 0x03, 0, 0},
444 {0x3a0d, 0x04, 0, 0}, {0x3a14, 0x03, 0, 0}, {0x3a15, 0xd8, 0, 0},
445 {0x4001, 0x02, 0, 0}, {0x4004, 0x02, 0, 0}, {0x4713, 0x03, 0, 0},
446 {0x4407, 0x04, 0, 0}, {0x460b, 0x35, 0, 0}, {0x460c, 0x22, 0, 0},
447 {0x3824, 0x02, 0, 0}, {0x5001, 0xa3, 0, 0},
448};
449
450static const struct reg_value ov5640_setting_30fps_QCIF_176_144[] = {
451 {0x3035, 0x14, 0, 0}, {0x3036, 0x38, 0, 0}, {0x3c07, 0x08, 0, 0},
452 {0x3c09, 0x1c, 0, 0}, {0x3c0a, 0x9c, 0, 0}, {0x3c0b, 0x40, 0, 0},
453 {0x3820, 0x41, 0, 0}, {0x3821, 0x07, 0, 0}, {0x3814, 0x31, 0, 0},
454 {0x3815, 0x31, 0, 0}, {0x3800, 0x00, 0, 0}, {0x3801, 0x00, 0, 0},
455 {0x3802, 0x00, 0, 0}, {0x3803, 0x04, 0, 0}, {0x3804, 0x0a, 0, 0},
456 {0x3805, 0x3f, 0, 0}, {0x3806, 0x07, 0, 0}, {0x3807, 0x9b, 0, 0},
457 {0x3808, 0x00, 0, 0}, {0x3809, 0xb0, 0, 0}, {0x380a, 0x00, 0, 0},
458 {0x380b, 0x90, 0, 0}, {0x380c, 0x07, 0, 0}, {0x380d, 0x68, 0, 0},
459 {0x380e, 0x03, 0, 0}, {0x380f, 0xd8, 0, 0}, {0x3810, 0x00, 0, 0},
460 {0x3811, 0x10, 0, 0}, {0x3812, 0x00, 0, 0}, {0x3813, 0x06, 0, 0},
461 {0x3618, 0x00, 0, 0}, {0x3612, 0x29, 0, 0}, {0x3708, 0x64, 0, 0},
462 {0x3709, 0x52, 0, 0}, {0x370c, 0x03, 0, 0}, {0x3a02, 0x03, 0, 0},
463 {0x3a03, 0xd8, 0, 0}, {0x3a08, 0x01, 0, 0}, {0x3a09, 0x27, 0, 0},
464 {0x3a0a, 0x00, 0, 0}, {0x3a0b, 0xf6, 0, 0}, {0x3a0e, 0x03, 0, 0},
465 {0x3a0d, 0x04, 0, 0}, {0x3a14, 0x03, 0, 0}, {0x3a15, 0xd8, 0, 0},
466 {0x4001, 0x02, 0, 0}, {0x4004, 0x02, 0, 0}, {0x4713, 0x03, 0, 0},
467 {0x4407, 0x04, 0, 0}, {0x460b, 0x35, 0, 0}, {0x460c, 0x22, 0, 0},
468 {0x3824, 0x02, 0, 0}, {0x5001, 0xa3, 0, 0},
469};
470static const struct reg_value ov5640_setting_15fps_QCIF_176_144[] = {
471 {0x3035, 0x22, 0, 0}, {0x3036, 0x38, 0, 0}, {0x3c07, 0x08, 0, 0},
472 {0x3c09, 0x1c, 0, 0}, {0x3c0a, 0x9c, 0, 0}, {0x3c0b, 0x40, 0, 0},
473 {0x3820, 0x41, 0, 0}, {0x3821, 0x07, 0, 0}, {0x3814, 0x31, 0, 0},
474 {0x3815, 0x31, 0, 0}, {0x3800, 0x00, 0, 0}, {0x3801, 0x00, 0, 0},
475 {0x3802, 0x00, 0, 0}, {0x3803, 0x04, 0, 0}, {0x3804, 0x0a, 0, 0},
476 {0x3805, 0x3f, 0, 0}, {0x3806, 0x07, 0, 0}, {0x3807, 0x9b, 0, 0},
477 {0x3808, 0x00, 0, 0}, {0x3809, 0xb0, 0, 0}, {0x380a, 0x00, 0, 0},
478 {0x380b, 0x90, 0, 0}, {0x380c, 0x07, 0, 0}, {0x380d, 0x68, 0, 0},
479 {0x380e, 0x03, 0, 0}, {0x380f, 0xd8, 0, 0}, {0x3810, 0x00, 0, 0},
480 {0x3811, 0x10, 0, 0}, {0x3812, 0x00, 0, 0}, {0x3813, 0x06, 0, 0},
481 {0x3618, 0x00, 0, 0}, {0x3612, 0x29, 0, 0}, {0x3708, 0x64, 0, 0},
482 {0x3709, 0x52, 0, 0}, {0x370c, 0x03, 0, 0}, {0x3a02, 0x03, 0, 0},
483 {0x3a03, 0xd8, 0, 0}, {0x3a08, 0x01, 0, 0}, {0x3a09, 0x27, 0, 0},
484 {0x3a0a, 0x00, 0, 0}, {0x3a0b, 0xf6, 0, 0}, {0x3a0e, 0x03, 0, 0},
485 {0x3a0d, 0x04, 0, 0}, {0x3a14, 0x03, 0, 0}, {0x3a15, 0xd8, 0, 0},
486 {0x4001, 0x02, 0, 0}, {0x4004, 0x02, 0, 0}, {0x4713, 0x03, 0, 0},
487 {0x4407, 0x04, 0, 0}, {0x460b, 0x35, 0, 0}, {0x460c, 0x22, 0, 0},
488 {0x3824, 0x02, 0, 0}, {0x5001, 0xa3, 0, 0},
489};
490
491static const struct reg_value ov5640_setting_30fps_NTSC_720_480[] = {
492 {0x3035, 0x12, 0, 0}, {0x3036, 0x38, 0, 0}, {0x3c07, 0x08, 0, 0},
493 {0x3c09, 0x1c, 0, 0}, {0x3c0a, 0x9c, 0, 0}, {0x3c0b, 0x40, 0, 0},
494 {0x3820, 0x41, 0, 0}, {0x3821, 0x07, 0, 0}, {0x3814, 0x31, 0, 0},
495 {0x3815, 0x31, 0, 0}, {0x3800, 0x00, 0, 0}, {0x3801, 0x00, 0, 0},
496 {0x3802, 0x00, 0, 0}, {0x3803, 0x04, 0, 0}, {0x3804, 0x0a, 0, 0},
497 {0x3805, 0x3f, 0, 0}, {0x3806, 0x07, 0, 0}, {0x3807, 0x9b, 0, 0},
498 {0x3808, 0x02, 0, 0}, {0x3809, 0xd0, 0, 0}, {0x380a, 0x01, 0, 0},
499 {0x380b, 0xe0, 0, 0}, {0x380c, 0x07, 0, 0}, {0x380d, 0x68, 0, 0},
500 {0x380e, 0x03, 0, 0}, {0x380f, 0xd8, 0, 0}, {0x3810, 0x00, 0, 0},
501 {0x3811, 0x10, 0, 0}, {0x3812, 0x00, 0, 0}, {0x3813, 0x3c, 0, 0},
502 {0x3618, 0x00, 0, 0}, {0x3612, 0x29, 0, 0}, {0x3708, 0x64, 0, 0},
503 {0x3709, 0x52, 0, 0}, {0x370c, 0x03, 0, 0}, {0x3a02, 0x03, 0, 0},
504 {0x3a03, 0xd8, 0, 0}, {0x3a08, 0x01, 0, 0}, {0x3a09, 0x27, 0, 0},
505 {0x3a0a, 0x00, 0, 0}, {0x3a0b, 0xf6, 0, 0}, {0x3a0e, 0x03, 0, 0},
506 {0x3a0d, 0x04, 0, 0}, {0x3a14, 0x03, 0, 0}, {0x3a15, 0xd8, 0, 0},
507 {0x4001, 0x02, 0, 0}, {0x4004, 0x02, 0, 0}, {0x4713, 0x03, 0, 0},
508 {0x4407, 0x04, 0, 0}, {0x460b, 0x35, 0, 0}, {0x460c, 0x22, 0, 0},
509 {0x3824, 0x02, 0, 0}, {0x5001, 0xa3, 0, 0},
510};
511
512static const struct reg_value ov5640_setting_15fps_NTSC_720_480[] = {
513 {0x3035, 0x22, 0, 0}, {0x3036, 0x38, 0, 0}, {0x3c07, 0x08, 0, 0},
514 {0x3c09, 0x1c, 0, 0}, {0x3c0a, 0x9c, 0, 0}, {0x3c0b, 0x40, 0, 0},
515 {0x3820, 0x41, 0, 0}, {0x3821, 0x07, 0, 0}, {0x3814, 0x31, 0, 0},
516 {0x3815, 0x31, 0, 0}, {0x3800, 0x00, 0, 0}, {0x3801, 0x00, 0, 0},
517 {0x3802, 0x00, 0, 0}, {0x3803, 0x04, 0, 0}, {0x3804, 0x0a, 0, 0},
518 {0x3805, 0x3f, 0, 0}, {0x3806, 0x07, 0, 0}, {0x3807, 0x9b, 0, 0},
519 {0x3808, 0x02, 0, 0}, {0x3809, 0xd0, 0, 0}, {0x380a, 0x01, 0, 0},
520 {0x380b, 0xe0, 0, 0}, {0x380c, 0x07, 0, 0}, {0x380d, 0x68, 0, 0},
521 {0x380e, 0x03, 0, 0}, {0x380f, 0xd8, 0, 0}, {0x3810, 0x00, 0, 0},
522 {0x3811, 0x10, 0, 0}, {0x3812, 0x00, 0, 0}, {0x3813, 0x3c, 0, 0},
523 {0x3618, 0x00, 0, 0}, {0x3612, 0x29, 0, 0}, {0x3708, 0x64, 0, 0},
524 {0x3709, 0x52, 0, 0}, {0x370c, 0x03, 0, 0}, {0x3a02, 0x03, 0, 0},
525 {0x3a03, 0xd8, 0, 0}, {0x3a08, 0x01, 0, 0}, {0x3a09, 0x27, 0, 0},
526 {0x3a0a, 0x00, 0, 0}, {0x3a0b, 0xf6, 0, 0}, {0x3a0e, 0x03, 0, 0},
527 {0x3a0d, 0x04, 0, 0}, {0x3a14, 0x03, 0, 0}, {0x3a15, 0xd8, 0, 0},
528 {0x4001, 0x02, 0, 0}, {0x4004, 0x02, 0, 0}, {0x4713, 0x03, 0, 0},
529 {0x4407, 0x04, 0, 0}, {0x460b, 0x35, 0, 0}, {0x460c, 0x22, 0, 0},
530 {0x3824, 0x02, 0, 0}, {0x5001, 0xa3, 0, 0},
531};
532
533static const struct reg_value ov5640_setting_30fps_PAL_720_576[] = {
534 {0x3035, 0x12, 0, 0}, {0x3036, 0x38, 0, 0}, {0x3c07, 0x08, 0, 0},
535 {0x3c09, 0x1c, 0, 0}, {0x3c0a, 0x9c, 0, 0}, {0x3c0b, 0x40, 0, 0},
536 {0x3820, 0x41, 0, 0}, {0x3821, 0x07, 0, 0}, {0x3814, 0x31, 0, 0},
537 {0x3815, 0x31, 0, 0}, {0x3800, 0x00, 0, 0}, {0x3801, 0x00, 0, 0},
538 {0x3802, 0x00, 0, 0}, {0x3803, 0x04, 0, 0}, {0x3804, 0x0a, 0, 0},
539 {0x3805, 0x3f, 0, 0}, {0x3806, 0x07, 0, 0}, {0x3807, 0x9b, 0, 0},
540 {0x3808, 0x02, 0, 0}, {0x3809, 0xd0, 0, 0}, {0x380a, 0x02, 0, 0},
541 {0x380b, 0x40, 0, 0}, {0x380c, 0x07, 0, 0}, {0x380d, 0x68, 0, 0},
542 {0x380e, 0x03, 0, 0}, {0x380f, 0xd8, 0, 0}, {0x3810, 0x00, 0, 0},
543 {0x3811, 0x38, 0, 0}, {0x3812, 0x00, 0, 0}, {0x3813, 0x06, 0, 0},
544 {0x3618, 0x00, 0, 0}, {0x3612, 0x29, 0, 0}, {0x3708, 0x64, 0, 0},
545 {0x3709, 0x52, 0, 0}, {0x370c, 0x03, 0, 0}, {0x3a02, 0x03, 0, 0},
546 {0x3a03, 0xd8, 0, 0}, {0x3a08, 0x01, 0, 0}, {0x3a09, 0x27, 0, 0},
547 {0x3a0a, 0x00, 0, 0}, {0x3a0b, 0xf6, 0, 0}, {0x3a0e, 0x03, 0, 0},
548 {0x3a0d, 0x04, 0, 0}, {0x3a14, 0x03, 0, 0}, {0x3a15, 0xd8, 0, 0},
549 {0x4001, 0x02, 0, 0}, {0x4004, 0x02, 0, 0}, {0x4713, 0x03, 0, 0},
550 {0x4407, 0x04, 0, 0}, {0x460b, 0x35, 0, 0}, {0x460c, 0x22, 0, 0},
551 {0x3824, 0x02, 0, 0}, {0x5001, 0xa3, 0, 0},
552};
553
554static const struct reg_value ov5640_setting_15fps_PAL_720_576[] = {
555 {0x3035, 0x22, 0, 0}, {0x3036, 0x38, 0, 0}, {0x3c07, 0x08, 0, 0},
556 {0x3c09, 0x1c, 0, 0}, {0x3c0a, 0x9c, 0, 0}, {0x3c0b, 0x40, 0, 0},
557 {0x3820, 0x41, 0, 0}, {0x3821, 0x07, 0, 0}, {0x3814, 0x31, 0, 0},
558 {0x3815, 0x31, 0, 0}, {0x3800, 0x00, 0, 0}, {0x3801, 0x00, 0, 0},
559 {0x3802, 0x00, 0, 0}, {0x3803, 0x04, 0, 0}, {0x3804, 0x0a, 0, 0},
560 {0x3805, 0x3f, 0, 0}, {0x3806, 0x07, 0, 0}, {0x3807, 0x9b, 0, 0},
561 {0x3808, 0x02, 0, 0}, {0x3809, 0xd0, 0, 0}, {0x380a, 0x02, 0, 0},
562 {0x380b, 0x40, 0, 0}, {0x380c, 0x07, 0, 0}, {0x380d, 0x68, 0, 0},
563 {0x380e, 0x03, 0, 0}, {0x380f, 0xd8, 0, 0}, {0x3810, 0x00, 0, 0},
564 {0x3811, 0x38, 0, 0}, {0x3812, 0x00, 0, 0}, {0x3813, 0x06, 0, 0},
565 {0x3618, 0x00, 0, 0}, {0x3612, 0x29, 0, 0}, {0x3708, 0x64, 0, 0},
566 {0x3709, 0x52, 0, 0}, {0x370c, 0x03, 0, 0}, {0x3a02, 0x03, 0, 0},
567 {0x3a03, 0xd8, 0, 0}, {0x3a08, 0x01, 0, 0}, {0x3a09, 0x27, 0, 0},
568 {0x3a0a, 0x00, 0, 0}, {0x3a0b, 0xf6, 0, 0}, {0x3a0e, 0x03, 0, 0},
569 {0x3a0d, 0x04, 0, 0}, {0x3a14, 0x03, 0, 0}, {0x3a15, 0xd8, 0, 0},
570 {0x4001, 0x02, 0, 0}, {0x4004, 0x02, 0, 0}, {0x4713, 0x03, 0, 0},
571 {0x4407, 0x04, 0, 0}, {0x460b, 0x35, 0, 0}, {0x460c, 0x22, 0, 0},
572 {0x3824, 0x02, 0, 0}, {0x5001, 0xa3, 0, 0},
573};
574
575static const struct reg_value ov5640_setting_30fps_720P_1280_720[] = {
576 {0x3008, 0x42, 0, 0},
577 {0x3035, 0x21, 0, 0}, {0x3036, 0x54, 0, 0}, {0x3c07, 0x07, 0, 0},
578 {0x3c09, 0x1c, 0, 0}, {0x3c0a, 0x9c, 0, 0}, {0x3c0b, 0x40, 0, 0},
579 {0x3820, 0x41, 0, 0}, {0x3821, 0x07, 0, 0}, {0x3814, 0x31, 0, 0},
580 {0x3815, 0x31, 0, 0}, {0x3800, 0x00, 0, 0}, {0x3801, 0x00, 0, 0},
581 {0x3802, 0x00, 0, 0}, {0x3803, 0xfa, 0, 0}, {0x3804, 0x0a, 0, 0},
582 {0x3805, 0x3f, 0, 0}, {0x3806, 0x06, 0, 0}, {0x3807, 0xa9, 0, 0},
583 {0x3808, 0x05, 0, 0}, {0x3809, 0x00, 0, 0}, {0x380a, 0x02, 0, 0},
584 {0x380b, 0xd0, 0, 0}, {0x380c, 0x07, 0, 0}, {0x380d, 0x64, 0, 0},
585 {0x380e, 0x02, 0, 0}, {0x380f, 0xe4, 0, 0}, {0x3810, 0x00, 0, 0},
586 {0x3811, 0x10, 0, 0}, {0x3812, 0x00, 0, 0}, {0x3813, 0x04, 0, 0},
587 {0x3618, 0x00, 0, 0}, {0x3612, 0x29, 0, 0}, {0x3708, 0x64, 0, 0},
588 {0x3709, 0x52, 0, 0}, {0x370c, 0x03, 0, 0}, {0x3a02, 0x02, 0, 0},
589 {0x3a03, 0xe4, 0, 0}, {0x3a08, 0x01, 0, 0}, {0x3a09, 0xbc, 0, 0},
590 {0x3a0a, 0x01, 0, 0}, {0x3a0b, 0x72, 0, 0}, {0x3a0e, 0x01, 0, 0},
591 {0x3a0d, 0x02, 0, 0}, {0x3a14, 0x02, 0, 0}, {0x3a15, 0xe4, 0, 0},
592 {0x4001, 0x02, 0, 0}, {0x4004, 0x02, 0, 0}, {0x4713, 0x02, 0, 0},
593 {0x4407, 0x04, 0, 0}, {0x460b, 0x37, 0, 0}, {0x460c, 0x20, 0, 0},
594 {0x3824, 0x04, 0, 0}, {0x5001, 0x83, 0, 0}, {0x4005, 0x1a, 0, 0},
595 {0x3008, 0x02, 0, 0}, {0x3503, 0, 0, 0},
596};
597
598static const struct reg_value ov5640_setting_15fps_720P_1280_720[] = {
599 {0x3035, 0x41, 0, 0}, {0x3036, 0x54, 0, 0}, {0x3c07, 0x07, 0, 0},
600 {0x3c09, 0x1c, 0, 0}, {0x3c0a, 0x9c, 0, 0}, {0x3c0b, 0x40, 0, 0},
601 {0x3820, 0x41, 0, 0}, {0x3821, 0x07, 0, 0}, {0x3814, 0x31, 0, 0},
602 {0x3815, 0x31, 0, 0}, {0x3800, 0x00, 0, 0}, {0x3801, 0x00, 0, 0},
603 {0x3802, 0x00, 0, 0}, {0x3803, 0xfa, 0, 0}, {0x3804, 0x0a, 0, 0},
604 {0x3805, 0x3f, 0, 0}, {0x3806, 0x06, 0, 0}, {0x3807, 0xa9, 0, 0},
605 {0x3808, 0x05, 0, 0}, {0x3809, 0x00, 0, 0}, {0x380a, 0x02, 0, 0},
606 {0x380b, 0xd0, 0, 0}, {0x380c, 0x07, 0, 0}, {0x380d, 0x64, 0, 0},
607 {0x380e, 0x02, 0, 0}, {0x380f, 0xe4, 0, 0}, {0x3810, 0x00, 0, 0},
608 {0x3811, 0x10, 0, 0}, {0x3812, 0x00, 0, 0}, {0x3813, 0x04, 0, 0},
609 {0x3618, 0x00, 0, 0}, {0x3612, 0x29, 0, 0}, {0x3708, 0x64, 0, 0},
610 {0x3709, 0x52, 0, 0}, {0x370c, 0x03, 0, 0}, {0x3a02, 0x02, 0, 0},
611 {0x3a03, 0xe4, 0, 0}, {0x3a08, 0x01, 0, 0}, {0x3a09, 0xbc, 0, 0},
612 {0x3a0a, 0x01, 0, 0}, {0x3a0b, 0x72, 0, 0}, {0x3a0e, 0x01, 0, 0},
613 {0x3a0d, 0x02, 0, 0}, {0x3a14, 0x02, 0, 0}, {0x3a15, 0xe4, 0, 0},
614 {0x4001, 0x02, 0, 0}, {0x4004, 0x02, 0, 0}, {0x4713, 0x02, 0, 0},
615 {0x4407, 0x04, 0, 0}, {0x460b, 0x37, 0, 0}, {0x460c, 0x20, 0, 0},
616 {0x3824, 0x04, 0, 0}, {0x5001, 0x83, 0, 0},
617};
618
619static const struct reg_value ov5640_setting_30fps_1080P_1920_1080[] = {
620 {0x3008, 0x42, 0, 0},
621 {0x3035, 0x21, 0, 0}, {0x3036, 0x54, 0, 0}, {0x3c07, 0x08, 0, 0},
622 {0x3c09, 0x1c, 0, 0}, {0x3c0a, 0x9c, 0, 0}, {0x3c0b, 0x40, 0, 0},
623 {0x3820, 0x40, 0, 0}, {0x3821, 0x06, 0, 0}, {0x3814, 0x11, 0, 0},
624 {0x3815, 0x11, 0, 0}, {0x3800, 0x00, 0, 0}, {0x3801, 0x00, 0, 0},
625 {0x3802, 0x00, 0, 0}, {0x3803, 0x00, 0, 0}, {0x3804, 0x0a, 0, 0},
626 {0x3805, 0x3f, 0, 0}, {0x3806, 0x07, 0, 0}, {0x3807, 0x9f, 0, 0},
627 {0x3808, 0x0a, 0, 0}, {0x3809, 0x20, 0, 0}, {0x380a, 0x07, 0, 0},
628 {0x380b, 0x98, 0, 0}, {0x380c, 0x0b, 0, 0}, {0x380d, 0x1c, 0, 0},
629 {0x380e, 0x07, 0, 0}, {0x380f, 0xb0, 0, 0}, {0x3810, 0x00, 0, 0},
630 {0x3811, 0x10, 0, 0}, {0x3812, 0x00, 0, 0}, {0x3813, 0x04, 0, 0},
631 {0x3618, 0x04, 0, 0}, {0x3612, 0x29, 0, 0}, {0x3708, 0x21, 0, 0},
632 {0x3709, 0x12, 0, 0}, {0x370c, 0x00, 0, 0}, {0x3a02, 0x03, 0, 0},
633 {0x3a03, 0xd8, 0, 0}, {0x3a08, 0x01, 0, 0}, {0x3a09, 0x27, 0, 0},
634 {0x3a0a, 0x00, 0, 0}, {0x3a0b, 0xf6, 0, 0}, {0x3a0e, 0x03, 0, 0},
635 {0x3a0d, 0x04, 0, 0}, {0x3a14, 0x03, 0, 0}, {0x3a15, 0xd8, 0, 0},
636 {0x4001, 0x02, 0, 0}, {0x4004, 0x06, 0, 0}, {0x4713, 0x03, 0, 0},
637 {0x4407, 0x04, 0, 0}, {0x460b, 0x35, 0, 0}, {0x460c, 0x22, 0, 0},
638 {0x3824, 0x02, 0, 0}, {0x5001, 0x83, 0, 0}, {0x3035, 0x11, 0, 0},
639 {0x3036, 0x54, 0, 0}, {0x3c07, 0x07, 0, 0}, {0x3c08, 0x00, 0, 0},
640 {0x3c09, 0x1c, 0, 0}, {0x3c0a, 0x9c, 0, 0}, {0x3c0b, 0x40, 0, 0},
641 {0x3800, 0x01, 0, 0}, {0x3801, 0x50, 0, 0}, {0x3802, 0x01, 0, 0},
642 {0x3803, 0xb2, 0, 0}, {0x3804, 0x08, 0, 0}, {0x3805, 0xef, 0, 0},
643 {0x3806, 0x05, 0, 0}, {0x3807, 0xf1, 0, 0}, {0x3808, 0x07, 0, 0},
644 {0x3809, 0x80, 0, 0}, {0x380a, 0x04, 0, 0}, {0x380b, 0x38, 0, 0},
645 {0x380c, 0x09, 0, 0}, {0x380d, 0xc4, 0, 0}, {0x380e, 0x04, 0, 0},
646 {0x380f, 0x60, 0, 0}, {0x3612, 0x2b, 0, 0}, {0x3708, 0x64, 0, 0},
647 {0x3a02, 0x04, 0, 0}, {0x3a03, 0x60, 0, 0}, {0x3a08, 0x01, 0, 0},
648 {0x3a09, 0x50, 0, 0}, {0x3a0a, 0x01, 0, 0}, {0x3a0b, 0x18, 0, 0},
649 {0x3a0e, 0x03, 0, 0}, {0x3a0d, 0x04, 0, 0}, {0x3a14, 0x04, 0, 0},
650 {0x3a15, 0x60, 0, 0}, {0x4713, 0x02, 0, 0}, {0x4407, 0x04, 0, 0},
651 {0x460b, 0x37, 0, 0}, {0x460c, 0x20, 0, 0}, {0x3824, 0x04, 0, 0},
652 {0x4005, 0x1a, 0, 0}, {0x3008, 0x02, 0, 0},
653 {0x3503, 0, 0, 0},
654};
655
656static const struct reg_value ov5640_setting_15fps_1080P_1920_1080[] = {
657 {0x3008, 0x42, 0, 0},
658 {0x3035, 0x21, 0, 0}, {0x3036, 0x54, 0, 0}, {0x3c07, 0x08, 0, 0},
659 {0x3c09, 0x1c, 0, 0}, {0x3c0a, 0x9c, 0, 0}, {0x3c0b, 0x40, 0, 0},
660 {0x3820, 0x40, 0, 0}, {0x3821, 0x06, 0, 0}, {0x3814, 0x11, 0, 0},
661 {0x3815, 0x11, 0, 0}, {0x3800, 0x00, 0, 0}, {0x3801, 0x00, 0, 0},
662 {0x3802, 0x00, 0, 0}, {0x3803, 0x00, 0, 0}, {0x3804, 0x0a, 0, 0},
663 {0x3805, 0x3f, 0, 0}, {0x3806, 0x07, 0, 0}, {0x3807, 0x9f, 0, 0},
664 {0x3808, 0x0a, 0, 0}, {0x3809, 0x20, 0, 0}, {0x380a, 0x07, 0, 0},
665 {0x380b, 0x98, 0, 0}, {0x380c, 0x0b, 0, 0}, {0x380d, 0x1c, 0, 0},
666 {0x380e, 0x07, 0, 0}, {0x380f, 0xb0, 0, 0}, {0x3810, 0x00, 0, 0},
667 {0x3811, 0x10, 0, 0}, {0x3812, 0x00, 0, 0}, {0x3813, 0x04, 0, 0},
668 {0x3618, 0x04, 0, 0}, {0x3612, 0x29, 0, 0}, {0x3708, 0x21, 0, 0},
669 {0x3709, 0x12, 0, 0}, {0x370c, 0x00, 0, 0}, {0x3a02, 0x03, 0, 0},
670 {0x3a03, 0xd8, 0, 0}, {0x3a08, 0x01, 0, 0}, {0x3a09, 0x27, 0, 0},
671 {0x3a0a, 0x00, 0, 0}, {0x3a0b, 0xf6, 0, 0}, {0x3a0e, 0x03, 0, 0},
672 {0x3a0d, 0x04, 0, 0}, {0x3a14, 0x03, 0, 0}, {0x3a15, 0xd8, 0, 0},
673 {0x4001, 0x02, 0, 0}, {0x4004, 0x06, 0, 0}, {0x4713, 0x03, 0, 0},
674 {0x4407, 0x04, 0, 0}, {0x460b, 0x35, 0, 0}, {0x460c, 0x22, 0, 0},
675 {0x3824, 0x02, 0, 0}, {0x5001, 0x83, 0, 0}, {0x3035, 0x21, 0, 0},
676 {0x3036, 0x54, 0, 1}, {0x3c07, 0x07, 0, 0}, {0x3c08, 0x00, 0, 0},
677 {0x3c09, 0x1c, 0, 0}, {0x3c0a, 0x9c, 0, 0}, {0x3c0b, 0x40, 0, 0},
678 {0x3800, 0x01, 0, 0}, {0x3801, 0x50, 0, 0}, {0x3802, 0x01, 0, 0},
679 {0x3803, 0xb2, 0, 0}, {0x3804, 0x08, 0, 0}, {0x3805, 0xef, 0, 0},
680 {0x3806, 0x05, 0, 0}, {0x3807, 0xf1, 0, 0}, {0x3808, 0x07, 0, 0},
681 {0x3809, 0x80, 0, 0}, {0x380a, 0x04, 0, 0}, {0x380b, 0x38, 0, 0},
682 {0x380c, 0x09, 0, 0}, {0x380d, 0xc4, 0, 0}, {0x380e, 0x04, 0, 0},
683 {0x380f, 0x60, 0, 0}, {0x3612, 0x2b, 0, 0}, {0x3708, 0x64, 0, 0},
684 {0x3a02, 0x04, 0, 0}, {0x3a03, 0x60, 0, 0}, {0x3a08, 0x01, 0, 0},
685 {0x3a09, 0x50, 0, 0}, {0x3a0a, 0x01, 0, 0}, {0x3a0b, 0x18, 0, 0},
686 {0x3a0e, 0x03, 0, 0}, {0x3a0d, 0x04, 0, 0}, {0x3a14, 0x04, 0, 0},
687 {0x3a15, 0x60, 0, 0}, {0x4713, 0x02, 0, 0}, {0x4407, 0x04, 0, 0},
688 {0x460b, 0x37, 0, 0}, {0x460c, 0x20, 0, 0}, {0x3824, 0x04, 0, 0},
689 {0x4005, 0x1a, 0, 0}, {0x3008, 0x02, 0, 0}, {0x3503, 0, 0, 0},
690};
691
692static const struct reg_value ov5640_setting_15fps_QSXGA_2592_1944[] = {
693 {0x3820, 0x40, 0, 0}, {0x3821, 0x06, 0, 0},
694 {0x3035, 0x21, 0, 0}, {0x3036, 0x54, 0, 0}, {0x3c07, 0x08, 0, 0},
695 {0x3c09, 0x1c, 0, 0}, {0x3c0a, 0x9c, 0, 0}, {0x3c0b, 0x40, 0, 0},
696 {0x3820, 0x40, 0, 0}, {0x3821, 0x06, 0, 0}, {0x3814, 0x11, 0, 0},
697 {0x3815, 0x11, 0, 0}, {0x3800, 0x00, 0, 0}, {0x3801, 0x00, 0, 0},
698 {0x3802, 0x00, 0, 0}, {0x3803, 0x00, 0, 0}, {0x3804, 0x0a, 0, 0},
699 {0x3805, 0x3f, 0, 0}, {0x3806, 0x07, 0, 0}, {0x3807, 0x9f, 0, 0},
700 {0x3808, 0x0a, 0, 0}, {0x3809, 0x20, 0, 0}, {0x380a, 0x07, 0, 0},
701 {0x380b, 0x98, 0, 0}, {0x380c, 0x0b, 0, 0}, {0x380d, 0x1c, 0, 0},
702 {0x380e, 0x07, 0, 0}, {0x380f, 0xb0, 0, 0}, {0x3810, 0x00, 0, 0},
703 {0x3811, 0x10, 0, 0}, {0x3812, 0x00, 0, 0}, {0x3813, 0x04, 0, 0},
704 {0x3618, 0x04, 0, 0}, {0x3612, 0x29, 0, 0}, {0x3708, 0x21, 0, 0},
705 {0x3709, 0x12, 0, 0}, {0x370c, 0x00, 0, 0}, {0x3a02, 0x03, 0, 0},
706 {0x3a03, 0xd8, 0, 0}, {0x3a08, 0x01, 0, 0}, {0x3a09, 0x27, 0, 0},
707 {0x3a0a, 0x00, 0, 0}, {0x3a0b, 0xf6, 0, 0}, {0x3a0e, 0x03, 0, 0},
708 {0x3a0d, 0x04, 0, 0}, {0x3a14, 0x03, 0, 0}, {0x3a15, 0xd8, 0, 0},
709 {0x4001, 0x02, 0, 0}, {0x4004, 0x06, 0, 0}, {0x4713, 0x03, 0, 0},
710 {0x4407, 0x04, 0, 0}, {0x460b, 0x35, 0, 0}, {0x460c, 0x22, 0, 0},
711 {0x3824, 0x02, 0, 0}, {0x5001, 0x83, 0, 70},
712};
713
714/* power-on sensor init reg table */
715static const struct ov5640_mode_info ov5640_mode_init_data = {
716 0, SUBSAMPLING, 640, 480, ov5640_init_setting_30fps_VGA,
717 ARRAY_SIZE(ov5640_init_setting_30fps_VGA),
718};
719
720static const struct ov5640_mode_info
721ov5640_mode_data[OV5640_NUM_FRAMERATES][OV5640_NUM_MODES] = {
722 {
723 {OV5640_MODE_QCIF_176_144, SUBSAMPLING, 176, 144,
724 ov5640_setting_15fps_QCIF_176_144,
725 ARRAY_SIZE(ov5640_setting_15fps_QCIF_176_144)},
726 {OV5640_MODE_QVGA_320_240, SUBSAMPLING, 320, 240,
727 ov5640_setting_15fps_QVGA_320_240,
728 ARRAY_SIZE(ov5640_setting_15fps_QVGA_320_240)},
729 {OV5640_MODE_VGA_640_480, SUBSAMPLING, 640, 480,
730 ov5640_setting_15fps_VGA_640_480,
731 ARRAY_SIZE(ov5640_setting_15fps_VGA_640_480)},
732 {OV5640_MODE_NTSC_720_480, SUBSAMPLING, 720, 480,
733 ov5640_setting_15fps_NTSC_720_480,
734 ARRAY_SIZE(ov5640_setting_15fps_NTSC_720_480)},
735 {OV5640_MODE_PAL_720_576, SUBSAMPLING, 720, 576,
736 ov5640_setting_15fps_PAL_720_576,
737 ARRAY_SIZE(ov5640_setting_15fps_PAL_720_576)},
738 {OV5640_MODE_XGA_1024_768, SUBSAMPLING, 1024, 768,
739 ov5640_setting_15fps_XGA_1024_768,
740 ARRAY_SIZE(ov5640_setting_15fps_XGA_1024_768)},
741 {OV5640_MODE_720P_1280_720, SUBSAMPLING, 1280, 720,
742 ov5640_setting_15fps_720P_1280_720,
743 ARRAY_SIZE(ov5640_setting_15fps_720P_1280_720)},
744 {OV5640_MODE_1080P_1920_1080, SCALING, 1920, 1080,
745 ov5640_setting_15fps_1080P_1920_1080,
746 ARRAY_SIZE(ov5640_setting_15fps_1080P_1920_1080)},
747 {OV5640_MODE_QSXGA_2592_1944, SCALING, 2592, 1944,
748 ov5640_setting_15fps_QSXGA_2592_1944,
749 ARRAY_SIZE(ov5640_setting_15fps_QSXGA_2592_1944)},
750 }, {
751 {OV5640_MODE_QCIF_176_144, SUBSAMPLING, 176, 144,
752 ov5640_setting_30fps_QCIF_176_144,
753 ARRAY_SIZE(ov5640_setting_30fps_QCIF_176_144)},
754 {OV5640_MODE_QVGA_320_240, SUBSAMPLING, 320, 240,
755 ov5640_setting_30fps_QVGA_320_240,
756 ARRAY_SIZE(ov5640_setting_30fps_QVGA_320_240)},
757 {OV5640_MODE_VGA_640_480, SUBSAMPLING, 640, 480,
758 ov5640_setting_30fps_VGA_640_480,
759 ARRAY_SIZE(ov5640_setting_30fps_VGA_640_480)},
760 {OV5640_MODE_NTSC_720_480, SUBSAMPLING, 720, 480,
761 ov5640_setting_30fps_NTSC_720_480,
762 ARRAY_SIZE(ov5640_setting_30fps_NTSC_720_480)},
763 {OV5640_MODE_PAL_720_576, SUBSAMPLING, 720, 576,
764 ov5640_setting_30fps_PAL_720_576,
765 ARRAY_SIZE(ov5640_setting_30fps_PAL_720_576)},
766 {OV5640_MODE_XGA_1024_768, SUBSAMPLING, 1024, 768,
767 ov5640_setting_30fps_XGA_1024_768,
768 ARRAY_SIZE(ov5640_setting_30fps_XGA_1024_768)},
769 {OV5640_MODE_720P_1280_720, SUBSAMPLING, 1280, 720,
770 ov5640_setting_30fps_720P_1280_720,
771 ARRAY_SIZE(ov5640_setting_30fps_720P_1280_720)},
772 {OV5640_MODE_1080P_1920_1080, SCALING, 1920, 1080,
773 ov5640_setting_30fps_1080P_1920_1080,
774 ARRAY_SIZE(ov5640_setting_30fps_1080P_1920_1080)},
775 {OV5640_MODE_QSXGA_2592_1944, -1, 0, 0, NULL, 0},
776 },
777};
778
779static int ov5640_init_slave_id(struct ov5640_dev *sensor)
780{
781 struct i2c_client *client = sensor->i2c_client;
782 struct i2c_msg msg;
783 u8 buf[3];
784 int ret;
785
786 if (client->addr == OV5640_DEFAULT_SLAVE_ID)
787 return 0;
788
789 buf[0] = OV5640_REG_SLAVE_ID >> 8;
790 buf[1] = OV5640_REG_SLAVE_ID & 0xff;
791 buf[2] = client->addr << 1;
792
793 msg.addr = OV5640_DEFAULT_SLAVE_ID;
794 msg.flags = 0;
795 msg.buf = buf;
796 msg.len = sizeof(buf);
797
798 ret = i2c_transfer(client->adapter, &msg, 1);
799 if (ret < 0) {
800 dev_err(&client->dev, "%s: failed with %d\n", __func__, ret);
801 return ret;
802 }
803
804 return 0;
805}
806
807static int ov5640_write_reg(struct ov5640_dev *sensor, u16 reg, u8 val)
808{
809 struct i2c_client *client = sensor->i2c_client;
810 struct i2c_msg msg;
811 u8 buf[3];
812 int ret;
813
814 buf[0] = reg >> 8;
815 buf[1] = reg & 0xff;
816 buf[2] = val;
817
818 msg.addr = client->addr;
819 msg.flags = client->flags;
820 msg.buf = buf;
821 msg.len = sizeof(buf);
822
823 ret = i2c_transfer(client->adapter, &msg, 1);
824 if (ret < 0) {
825 v4l2_err(&sensor->sd, "%s: error: reg=%x, val=%x\n",
826 __func__, reg, val);
827 return ret;
828 }
829
830 return 0;
831}
832
833static int ov5640_read_reg(struct ov5640_dev *sensor, u16 reg, u8 *val)
834{
835 struct i2c_client *client = sensor->i2c_client;
836 struct i2c_msg msg[2];
837 u8 buf[2];
838 int ret;
839
840 buf[0] = reg >> 8;
841 buf[1] = reg & 0xff;
842
843 msg[0].addr = client->addr;
844 msg[0].flags = client->flags;
845 msg[0].buf = buf;
846 msg[0].len = sizeof(buf);
847
848 msg[1].addr = client->addr;
849 msg[1].flags = client->flags | I2C_M_RD;
850 msg[1].buf = buf;
851 msg[1].len = 1;
852
853 ret = i2c_transfer(client->adapter, msg, 2);
854 if (ret < 0)
855 return ret;
856
857 *val = buf[0];
858 return 0;
859}
860
861static int ov5640_read_reg16(struct ov5640_dev *sensor, u16 reg, u16 *val)
862{
863 u8 hi, lo;
864 int ret;
865
866 ret = ov5640_read_reg(sensor, reg, &hi);
867 if (ret)
868 return ret;
869 ret = ov5640_read_reg(sensor, reg+1, &lo);
870 if (ret)
871 return ret;
872
873 *val = ((u16)hi << 8) | (u16)lo;
874 return 0;
875}
876
877static int ov5640_write_reg16(struct ov5640_dev *sensor, u16 reg, u16 val)
878{
879 int ret;
880
881 ret = ov5640_write_reg(sensor, reg, val >> 8);
882 if (ret)
883 return ret;
884
885 return ov5640_write_reg(sensor, reg + 1, val & 0xff);
886}
887
888static int ov5640_mod_reg(struct ov5640_dev *sensor, u16 reg,
889 u8 mask, u8 val)
890{
891 u8 readval;
892 int ret;
893
894 ret = ov5640_read_reg(sensor, reg, &readval);
895 if (ret)
896 return ret;
897
898 readval &= ~mask;
899 val &= mask;
900 val |= readval;
901
902 return ov5640_write_reg(sensor, reg, val);
903}
904
905/* download ov5640 settings to sensor through i2c */
906static int ov5640_load_regs(struct ov5640_dev *sensor,
907 const struct ov5640_mode_info *mode)
908{
909 const struct reg_value *regs = mode->reg_data;
910 unsigned int i;
911 u32 delay_ms;
912 u16 reg_addr;
913 u8 mask, val;
914 int ret = 0;
915
916 for (i = 0; i < mode->reg_data_size; ++i, ++regs) {
917 delay_ms = regs->delay_ms;
918 reg_addr = regs->reg_addr;
919 val = regs->val;
920 mask = regs->mask;
921
922 if (mask)
923 ret = ov5640_mod_reg(sensor, reg_addr, mask, val);
924 else
925 ret = ov5640_write_reg(sensor, reg_addr, val);
926 if (ret)
927 break;
928
929 if (delay_ms)
930 usleep_range(1000*delay_ms, 1000*delay_ms+100);
931 }
932
933 return ret;
934}
935
936/* read exposure, in number of line periods */
937static int ov5640_get_exposure(struct ov5640_dev *sensor)
938{
939 int exp, ret;
940 u8 temp;
941
942 ret = ov5640_read_reg(sensor, OV5640_REG_AEC_PK_EXPOSURE_HI, &temp);
943 if (ret)
944 return ret;
945 exp = ((int)temp & 0x0f) << 16;
946 ret = ov5640_read_reg(sensor, OV5640_REG_AEC_PK_EXPOSURE_MED, &temp);
947 if (ret)
948 return ret;
949 exp |= ((int)temp << 8);
950 ret = ov5640_read_reg(sensor, OV5640_REG_AEC_PK_EXPOSURE_LO, &temp);
951 if (ret)
952 return ret;
953 exp |= (int)temp;
954
955 return exp >> 4;
956}
957
958/* write exposure, given number of line periods */
959static int ov5640_set_exposure(struct ov5640_dev *sensor, u32 exposure)
960{
961 int ret;
962
963 exposure <<= 4;
964
965 ret = ov5640_write_reg(sensor,
966 OV5640_REG_AEC_PK_EXPOSURE_LO,
967 exposure & 0xff);
968 if (ret)
969 return ret;
970 ret = ov5640_write_reg(sensor,
971 OV5640_REG_AEC_PK_EXPOSURE_MED,
972 (exposure >> 8) & 0xff);
973 if (ret)
974 return ret;
975 return ov5640_write_reg(sensor,
976 OV5640_REG_AEC_PK_EXPOSURE_HI,
977 (exposure >> 16) & 0x0f);
978}
979
980static int ov5640_get_gain(struct ov5640_dev *sensor)
981{
982 u16 gain;
983 int ret;
984
985 ret = ov5640_read_reg16(sensor, OV5640_REG_AEC_PK_REAL_GAIN, &gain);
986 if (ret)
987 return ret;
988
989 return gain & 0x3ff;
990}
991
Hugues Fruchetf22996d2018-01-03 04:57:31 -0500[diff] [blame^]992static int ov5640_set_stream_dvp(struct ov5640_dev *sensor, bool on)
993{
994 int ret;
995 unsigned int flags = sensor->ep.bus.parallel.flags;
996 u8 pclk_pol = 0;
997 u8 hsync_pol = 0;
998 u8 vsync_pol = 0;
999
1000 /*
1001 * Note about parallel port configuration.
1002 *
1003 * When configured in parallel mode, the OV5640 will
1004 * output 10 bits data on DVP data lines [9:0].
1005 * If only 8 bits data are wanted, the 8 bits data lines
1006 * of the camera interface must be physically connected
1007 * on the DVP data lines [9:2].
1008 *
1009 * Control lines polarity can be configured through
1010 * devicetree endpoint control lines properties.
1011 * If no endpoint control lines properties are set,
1012 * polarity will be as below:
1013 * - VSYNC: active high
1014 * - HREF: active low
1015 * - PCLK: active low
1016 */
1017
1018 if (on) {
1019 /*
1020 * reset MIPI PCLK/SERCLK divider
1021 *
1022 * SC PLL CONTRL1 0
1023 * - [3..0]: MIPI PCLK/SERCLK divider
1024 */
1025 ret = ov5640_mod_reg(sensor, OV5640_REG_SC_PLL_CTRL1, 0x0f, 0);
1026 if (ret)
1027 return ret;
1028
1029 /*
1030 * configure parallel port control lines polarity
1031 *
1032 * POLARITY CTRL0
1033 * - [5]: PCLK polarity (0: active low, 1: active high)
1034 * - [1]: HREF polarity (0: active low, 1: active high)
1035 * - [0]: VSYNC polarity (mismatch here between
1036 * datasheet and hardware, 0 is active high
1037 * and 1 is active low...)
1038 */
1039 if (flags & V4L2_MBUS_PCLK_SAMPLE_RISING)
1040 pclk_pol = 1;
1041 if (flags & V4L2_MBUS_HSYNC_ACTIVE_HIGH)
1042 hsync_pol = 1;
1043 if (flags & V4L2_MBUS_VSYNC_ACTIVE_LOW)
1044 vsync_pol = 1;
1045
1046 ret = ov5640_write_reg(sensor,
1047 OV5640_REG_POLARITY_CTRL00,
1048 (pclk_pol << 5) |
1049 (hsync_pol << 1) |
1050 vsync_pol);
1051
1052 if (ret)
1053 return ret;
1054 }
1055
1056 /*
1057 * powerdown MIPI TX/RX PHY & disable MIPI
1058 *
1059 * MIPI CONTROL 00
1060 * 4: PWDN PHY TX
1061 * 3: PWDN PHY RX
1062 * 2: MIPI enable
1063 */
1064 ret = ov5640_write_reg(sensor,
1065 OV5640_REG_IO_MIPI_CTRL00, on ? 0x18 : 0);
1066 if (ret)
1067 return ret;
1068
1069 /*
1070 * enable VSYNC/HREF/PCLK DVP control lines
1071 * & D[9:6] DVP data lines
1072 *
1073 * PAD OUTPUT ENABLE 01
1074 * - 6: VSYNC output enable
1075 * - 5: HREF output enable
1076 * - 4: PCLK output enable
1077 * - [3:0]: D[9:6] output enable
1078 */
1079 ret = ov5640_write_reg(sensor,
1080 OV5640_REG_PAD_OUTPUT_ENABLE01,
1081 on ? 0x7f : 0);
1082 if (ret)
1083 return ret;
1084
1085 /*
1086 * enable D[5:0] DVP data lines
1087 *
1088 * PAD OUTPUT ENABLE 02
1089 * - [7:2]: D[5:0] output enable
1090 */
1091 return ov5640_write_reg(sensor,
1092 OV5640_REG_PAD_OUTPUT_ENABLE02,
1093 on ? 0xfc : 0);
1094}
1095
1096static int ov5640_set_stream_mipi(struct ov5640_dev *sensor, bool on)
Steve Longerbeam19a81c12017-06-07 15:33:56 -0300[diff] [blame]1097{
1098 int ret;
1099
1100 ret = ov5640_mod_reg(sensor, OV5640_REG_MIPI_CTRL00, BIT(5),
1101 on ? 0 : BIT(5));
1102 if (ret)
1103 return ret;
1104 ret = ov5640_write_reg(sensor, OV5640_REG_PAD_OUTPUT00,
1105 on ? 0x00 : 0x70);
1106 if (ret)
1107 return ret;
1108
1109 return ov5640_write_reg(sensor, OV5640_REG_FRAME_CTRL01,
1110 on ? 0x00 : 0x0f);
1111}
1112
1113static int ov5640_get_sysclk(struct ov5640_dev *sensor)
1114{
1115 /* calculate sysclk */
1116 u32 xvclk = sensor->xclk_freq / 10000;
1117 u32 multiplier, prediv, VCO, sysdiv, pll_rdiv;
1118 u32 sclk_rdiv_map[] = {1, 2, 4, 8};
1119 u32 bit_div2x = 1, sclk_rdiv, sysclk;
1120 u8 temp1, temp2;
1121 int ret;
1122
1123 ret = ov5640_read_reg(sensor, OV5640_REG_SC_PLL_CTRL0, &temp1);
1124 if (ret)
1125 return ret;
1126 temp2 = temp1 & 0x0f;
1127 if (temp2 == 8 || temp2 == 10)
1128 bit_div2x = temp2 / 2;
1129
1130 ret = ov5640_read_reg(sensor, OV5640_REG_SC_PLL_CTRL1, &temp1);
1131 if (ret)
1132 return ret;
1133 sysdiv = temp1 >> 4;
1134 if (sysdiv == 0)
1135 sysdiv = 16;
1136
1137 ret = ov5640_read_reg(sensor, OV5640_REG_SC_PLL_CTRL2, &temp1);
1138 if (ret)
1139 return ret;
1140 multiplier = temp1;
1141
1142 ret = ov5640_read_reg(sensor, OV5640_REG_SC_PLL_CTRL3, &temp1);
1143 if (ret)
1144 return ret;
1145 prediv = temp1 & 0x0f;
1146 pll_rdiv = ((temp1 >> 4) & 0x01) + 1;
1147
1148 ret = ov5640_read_reg(sensor, OV5640_REG_SYS_ROOT_DIVIDER, &temp1);
1149 if (ret)
1150 return ret;
1151 temp2 = temp1 & 0x03;
1152 sclk_rdiv = sclk_rdiv_map[temp2];
1153
1154 if (!prediv || !sysdiv || !pll_rdiv || !bit_div2x)
1155 return -EINVAL;
1156
1157 VCO = xvclk * multiplier / prediv;
1158
1159 sysclk = VCO / sysdiv / pll_rdiv * 2 / bit_div2x / sclk_rdiv;
1160
1161 return sysclk;
1162}
1163
1164static int ov5640_set_night_mode(struct ov5640_dev *sensor)
1165{
1166 /* read HTS from register settings */
1167 u8 mode;
1168 int ret;
1169
1170 ret = ov5640_read_reg(sensor, OV5640_REG_AEC_CTRL00, &mode);
1171 if (ret)
1172 return ret;
1173 mode &= 0xfb;
1174 return ov5640_write_reg(sensor, OV5640_REG_AEC_CTRL00, mode);
1175}
1176
1177static int ov5640_get_hts(struct ov5640_dev *sensor)
1178{
1179 /* read HTS from register settings */
1180 u16 hts;
1181 int ret;
1182
1183 ret = ov5640_read_reg16(sensor, OV5640_REG_TIMING_HTS, &hts);
1184 if (ret)
1185 return ret;
1186 return hts;
1187}
1188
1189static int ov5640_get_vts(struct ov5640_dev *sensor)
1190{
1191 u16 vts;
1192 int ret;
1193
1194 ret = ov5640_read_reg16(sensor, OV5640_REG_TIMING_VTS, &vts);
1195 if (ret)
1196 return ret;
1197 return vts;
1198}
1199
1200static int ov5640_set_vts(struct ov5640_dev *sensor, int vts)
1201{
1202 return ov5640_write_reg16(sensor, OV5640_REG_TIMING_VTS, vts);
1203}
1204
1205static int ov5640_get_light_freq(struct ov5640_dev *sensor)
1206{
1207 /* get banding filter value */
1208 int ret, light_freq = 0;
1209 u8 temp, temp1;
1210
1211 ret = ov5640_read_reg(sensor, OV5640_REG_HZ5060_CTRL01, &temp);
1212 if (ret)
1213 return ret;
1214
1215 if (temp & 0x80) {
1216 /* manual */
1217 ret = ov5640_read_reg(sensor, OV5640_REG_HZ5060_CTRL00,
1218 &temp1);
1219 if (ret)
1220 return ret;
1221 if (temp1 & 0x04) {
1222 /* 50Hz */
1223 light_freq = 50;
1224 } else {
1225 /* 60Hz */
1226 light_freq = 60;
1227 }
1228 } else {
1229 /* auto */
1230 ret = ov5640_read_reg(sensor, OV5640_REG_SIGMADELTA_CTRL0C,
1231 &temp1);
1232 if (ret)
1233 return ret;
1234
1235 if (temp1 & 0x01) {
1236 /* 50Hz */
1237 light_freq = 50;
1238 } else {
1239 /* 60Hz */
1240 }
1241 }
1242
1243 return light_freq;
1244}
1245
1246static int ov5640_set_bandingfilter(struct ov5640_dev *sensor)
1247{
1248 u32 band_step60, max_band60, band_step50, max_band50, prev_vts;
1249 int ret;
1250
1251 /* read preview PCLK */
1252 ret = ov5640_get_sysclk(sensor);
1253 if (ret < 0)
1254 return ret;
1255 if (ret == 0)
1256 return -EINVAL;
1257 sensor->prev_sysclk = ret;
1258 /* read preview HTS */
1259 ret = ov5640_get_hts(sensor);
1260 if (ret < 0)
1261 return ret;
1262 if (ret == 0)
1263 return -EINVAL;
1264 sensor->prev_hts = ret;
1265
1266 /* read preview VTS */
1267 ret = ov5640_get_vts(sensor);
1268 if (ret < 0)
1269 return ret;
1270 prev_vts = ret;
1271
1272
1273 /* calculate banding filter */
1274 /* 60Hz */
1275 band_step60 = sensor->prev_sysclk * 100 / sensor->prev_hts * 100 / 120;
1276 ret = ov5640_write_reg16(sensor, OV5640_REG_AEC_B60_STEP, band_step60);
1277 if (ret)
1278 return ret;
1279 if (!band_step60)
1280 return -EINVAL;
1281 max_band60 = (int)((prev_vts - 4) / band_step60);
1282 ret = ov5640_write_reg(sensor, OV5640_REG_AEC_CTRL0D, max_band60);
1283 if (ret)
1284 return ret;
1285
1286 /* 50Hz */
1287 band_step50 = sensor->prev_sysclk * 100 / sensor->prev_hts;
1288 ret = ov5640_write_reg16(sensor, OV5640_REG_AEC_B50_STEP, band_step50);
1289 if (ret)
1290 return ret;
1291 if (!band_step50)
1292 return -EINVAL;
1293 max_band50 = (int)((prev_vts - 4) / band_step50);
1294 return ov5640_write_reg(sensor, OV5640_REG_AEC_CTRL0E, max_band50);
1295}
1296
1297static int ov5640_set_ae_target(struct ov5640_dev *sensor, int target)
1298{
1299 /* stable in high */
1300 u32 fast_high, fast_low;
1301 int ret;
1302
1303 sensor->ae_low = target * 23 / 25; /* 0.92 */
1304 sensor->ae_high = target * 27 / 25; /* 1.08 */
1305
1306 fast_high = sensor->ae_high << 1;
1307 if (fast_high > 255)
1308 fast_high = 255;
1309
1310 fast_low = sensor->ae_low >> 1;
1311
1312 ret = ov5640_write_reg(sensor, OV5640_REG_AEC_CTRL0F, sensor->ae_high);
1313 if (ret)
1314 return ret;
1315 ret = ov5640_write_reg(sensor, OV5640_REG_AEC_CTRL10, sensor->ae_low);
1316 if (ret)
1317 return ret;
1318 ret = ov5640_write_reg(sensor, OV5640_REG_AEC_CTRL1B, sensor->ae_high);
1319 if (ret)
1320 return ret;
1321 ret = ov5640_write_reg(sensor, OV5640_REG_AEC_CTRL1E, sensor->ae_low);
1322 if (ret)
1323 return ret;
1324 ret = ov5640_write_reg(sensor, OV5640_REG_AEC_CTRL11, fast_high);
1325 if (ret)
1326 return ret;
1327 return ov5640_write_reg(sensor, OV5640_REG_AEC_CTRL1F, fast_low);
1328}
1329
1330static int ov5640_binning_on(struct ov5640_dev *sensor)
1331{
1332 u8 temp;
1333 int ret;
1334
1335 ret = ov5640_read_reg(sensor, OV5640_REG_TIMING_TC_REG21, &temp);
1336 if (ret)
1337 return ret;
1338 temp &= 0xfe;
1339 return temp ? 1 : 0;
1340}
1341
1342static int ov5640_set_virtual_channel(struct ov5640_dev *sensor)
1343{
1344 u8 temp, channel = virtual_channel;
1345 int ret;
1346
1347 if (channel > 3)
1348 return -EINVAL;
1349
1350 ret = ov5640_read_reg(sensor, OV5640_REG_DEBUG_MODE, &temp);
1351 if (ret)
1352 return ret;
1353 temp &= ~(3 << 6);
1354 temp |= (channel << 6);
1355 return ov5640_write_reg(sensor, OV5640_REG_DEBUG_MODE, temp);
1356}
1357
1358static const struct ov5640_mode_info *
1359ov5640_find_mode(struct ov5640_dev *sensor, enum ov5640_frame_rate fr,
1360 int width, int height, bool nearest)
1361{
1362 const struct ov5640_mode_info *mode = NULL;
1363 int i;
1364
1365 for (i = OV5640_NUM_MODES - 1; i >= 0; i--) {
1366 mode = &ov5640_mode_data[fr][i];
1367
1368 if (!mode->reg_data)
1369 continue;
1370
1371 if ((nearest && mode->width <= width &&
1372 mode->height <= height) ||
1373 (!nearest && mode->width == width &&
1374 mode->height == height))
1375 break;
1376 }
1377
1378 if (nearest && i < 0)
1379 mode = &ov5640_mode_data[fr][0];
1380
1381 return mode;
1382}
1383
1384/*
1385 * sensor changes between scaling and subsampling, go through
1386 * exposure calculation
1387 */
1388static int ov5640_set_mode_exposure_calc(
1389 struct ov5640_dev *sensor, const struct ov5640_mode_info *mode)
1390{
1391 u32 prev_shutter, prev_gain16;
1392 u32 cap_shutter, cap_gain16;
1393 u32 cap_sysclk, cap_hts, cap_vts;
1394 u32 light_freq, cap_bandfilt, cap_maxband;
1395 u32 cap_gain16_shutter;
1396 u8 average;
1397 int ret;
1398
1399 if (mode->reg_data == NULL)
1400 return -EINVAL;
1401
1402 /* read preview shutter */
1403 ret = ov5640_get_exposure(sensor);
1404 if (ret < 0)
1405 return ret;
1406 prev_shutter = ret;
1407 ret = ov5640_binning_on(sensor);
1408 if (ret < 0)
1409 return ret;
1410 if (ret && mode->id != OV5640_MODE_720P_1280_720 &&
1411 mode->id != OV5640_MODE_1080P_1920_1080)
1412 prev_shutter *= 2;
1413
1414 /* read preview gain */
1415 ret = ov5640_get_gain(sensor);
1416 if (ret < 0)
1417 return ret;
1418 prev_gain16 = ret;
1419
1420 /* get average */
1421 ret = ov5640_read_reg(sensor, OV5640_REG_AVG_READOUT, &average);
1422 if (ret)
1423 return ret;
1424
1425 /* turn off night mode for capture */
1426 ret = ov5640_set_night_mode(sensor);
1427 if (ret < 0)
1428 return ret;
1429
1430 /* Write capture setting */
1431 ret = ov5640_load_regs(sensor, mode);
1432 if (ret < 0)
1433 return ret;
1434
1435 /* read capture VTS */
1436 ret = ov5640_get_vts(sensor);
1437 if (ret < 0)
1438 return ret;
1439 cap_vts = ret;
1440 ret = ov5640_get_hts(sensor);
1441 if (ret < 0)
1442 return ret;
1443 if (ret == 0)
1444 return -EINVAL;
1445 cap_hts = ret;
1446
1447 ret = ov5640_get_sysclk(sensor);
1448 if (ret < 0)
1449 return ret;
1450 if (ret == 0)
1451 return -EINVAL;
1452 cap_sysclk = ret;
1453
1454 /* calculate capture banding filter */
1455 ret = ov5640_get_light_freq(sensor);
1456 if (ret < 0)
1457 return ret;
1458 light_freq = ret;
1459
1460 if (light_freq == 60) {
1461 /* 60Hz */
1462 cap_bandfilt = cap_sysclk * 100 / cap_hts * 100 / 120;
1463 } else {
1464 /* 50Hz */
1465 cap_bandfilt = cap_sysclk * 100 / cap_hts;
1466 }
1467
1468 if (!sensor->prev_sysclk) {
1469 ret = ov5640_get_sysclk(sensor);
1470 if (ret < 0)
1471 return ret;
1472 if (ret == 0)
1473 return -EINVAL;
1474 sensor->prev_sysclk = ret;
1475 }
1476
1477 if (!cap_bandfilt)
1478 return -EINVAL;
1479
1480 cap_maxband = (int)((cap_vts - 4) / cap_bandfilt);
1481
1482 /* calculate capture shutter/gain16 */
1483 if (average > sensor->ae_low && average < sensor->ae_high) {
1484 /* in stable range */
1485 cap_gain16_shutter =
1486 prev_gain16 * prev_shutter *
1487 cap_sysclk / sensor->prev_sysclk *
1488 sensor->prev_hts / cap_hts *
1489 sensor->ae_target / average;
1490 } else {
1491 cap_gain16_shutter =
1492 prev_gain16 * prev_shutter *
1493 cap_sysclk / sensor->prev_sysclk *
1494 sensor->prev_hts / cap_hts;
1495 }
1496
1497 /* gain to shutter */
1498 if (cap_gain16_shutter < (cap_bandfilt * 16)) {
1499 /* shutter < 1/100 */
1500 cap_shutter = cap_gain16_shutter / 16;
1501 if (cap_shutter < 1)
1502 cap_shutter = 1;
1503
1504 cap_gain16 = cap_gain16_shutter / cap_shutter;
1505 if (cap_gain16 < 16)
1506 cap_gain16 = 16;
1507 } else {
1508 if (cap_gain16_shutter > (cap_bandfilt * cap_maxband * 16)) {
1509 /* exposure reach max */
1510 cap_shutter = cap_bandfilt * cap_maxband;
1511 if (!cap_shutter)
1512 return -EINVAL;
1513
1514 cap_gain16 = cap_gain16_shutter / cap_shutter;
1515 } else {
1516 /* 1/100 < (cap_shutter = n/100) =< max */
1517 cap_shutter =
1518 ((int)(cap_gain16_shutter / 16 / cap_bandfilt))
1519 * cap_bandfilt;
1520 if (!cap_shutter)
1521 return -EINVAL;
1522
1523 cap_gain16 = cap_gain16_shutter / cap_shutter;
1524 }
1525 }
1526
1527 /* set capture gain */
1528 ret = __v4l2_ctrl_s_ctrl(sensor->ctrls.gain, cap_gain16);
1529 if (ret)
1530 return ret;
1531
1532 /* write capture shutter */
1533 if (cap_shutter > (cap_vts - 4)) {
1534 cap_vts = cap_shutter + 4;
1535 ret = ov5640_set_vts(sensor, cap_vts);
1536 if (ret < 0)
1537 return ret;
1538 }
1539
1540 /* set exposure */
1541 return __v4l2_ctrl_s_ctrl(sensor->ctrls.exposure, cap_shutter);
1542}
1543
1544/*
1545 * if sensor changes inside scaling or subsampling
1546 * change mode directly
1547 */
1548static int ov5640_set_mode_direct(struct ov5640_dev *sensor,
1549 const struct ov5640_mode_info *mode)
1550{
1551 int ret;
1552
1553 if (mode->reg_data == NULL)
1554 return -EINVAL;
1555
1556 /* Write capture setting */
1557 ret = ov5640_load_regs(sensor, mode);
1558 if (ret < 0)
1559 return ret;
1560
1561 /* turn auto gain/exposure back on for direct mode */
1562 ret = __v4l2_ctrl_s_ctrl(sensor->ctrls.auto_gain, 1);
1563 if (ret)
1564 return ret;
1565 return __v4l2_ctrl_s_ctrl(sensor->ctrls.auto_exp, V4L2_EXPOSURE_AUTO);
1566}
1567
1568static int ov5640_set_mode(struct ov5640_dev *sensor,
1569 const struct ov5640_mode_info *orig_mode)
1570{
1571 const struct ov5640_mode_info *mode = sensor->current_mode;
1572 enum ov5640_downsize_mode dn_mode, orig_dn_mode;
1573 int ret;
1574
1575 dn_mode = mode->dn_mode;
1576 orig_dn_mode = orig_mode->dn_mode;
1577
1578 /* auto gain and exposure must be turned off when changing modes */
1579 ret = __v4l2_ctrl_s_ctrl(sensor->ctrls.auto_gain, 0);
1580 if (ret)
1581 return ret;
1582 ret = __v4l2_ctrl_s_ctrl(sensor->ctrls.auto_exp, V4L2_EXPOSURE_MANUAL);
1583 if (ret)
1584 return ret;
1585
1586 if ((dn_mode == SUBSAMPLING && orig_dn_mode == SCALING) ||
1587 (dn_mode == SCALING && orig_dn_mode == SUBSAMPLING)) {
1588 /*
1589 * change between subsampling and scaling
1590 * go through exposure calucation
1591 */
1592 ret = ov5640_set_mode_exposure_calc(sensor, mode);
1593 } else {
1594 /*
1595 * change inside subsampling or scaling
1596 * download firmware directly
1597 */
1598 ret = ov5640_set_mode_direct(sensor, mode);
1599 }
1600
1601 if (ret < 0)
1602 return ret;
1603
1604 ret = ov5640_set_ae_target(sensor, sensor->ae_target);
1605 if (ret < 0)
1606 return ret;
1607 ret = ov5640_get_light_freq(sensor);
1608 if (ret < 0)
1609 return ret;
1610 ret = ov5640_set_bandingfilter(sensor);
1611 if (ret < 0)
1612 return ret;
1613 ret = ov5640_set_virtual_channel(sensor);
1614 if (ret < 0)
1615 return ret;
1616
1617 sensor->pending_mode_change = false;
1618
1619 return 0;
1620}
1621
1622/* restore the last set video mode after chip power-on */
1623static int ov5640_restore_mode(struct ov5640_dev *sensor)
1624{
1625 int ret;
1626
1627 /* first load the initial register values */
1628 ret = ov5640_load_regs(sensor, &ov5640_mode_init_data);
1629 if (ret < 0)
1630 return ret;
1631
1632 /* now restore the last capture mode */
1633 return ov5640_set_mode(sensor, &ov5640_mode_init_data);
1634}
1635
1636static void ov5640_power(struct ov5640_dev *sensor, bool enable)
1637{
Hugues Fruchet1fddc5d2018-01-03 04:57:28 -0500[diff] [blame]1638 gpiod_set_value_cansleep(sensor->pwdn_gpio, enable ? 0 : 1);
Steve Longerbeam19a81c12017-06-07 15:33:56 -0300[diff] [blame]1639}
1640
1641static void ov5640_reset(struct ov5640_dev *sensor)
1642{
1643 if (!sensor->reset_gpio)
1644 return;
1645
Hugues Fruchet1fddc5d2018-01-03 04:57:28 -0500[diff] [blame]1646 gpiod_set_value_cansleep(sensor->reset_gpio, 0);
Steve Longerbeam19a81c12017-06-07 15:33:56 -0300[diff] [blame]1647
1648 /* camera power cycle */
1649 ov5640_power(sensor, false);
1650 usleep_range(5000, 10000);
1651 ov5640_power(sensor, true);
1652 usleep_range(5000, 10000);
1653
Hugues Fruchet1fddc5d2018-01-03 04:57:28 -0500[diff] [blame]1654 gpiod_set_value_cansleep(sensor->reset_gpio, 1);
Steve Longerbeam19a81c12017-06-07 15:33:56 -0300[diff] [blame]1655 usleep_range(1000, 2000);
1656
Hugues Fruchet1fddc5d2018-01-03 04:57:28 -0500[diff] [blame]1657 gpiod_set_value_cansleep(sensor->reset_gpio, 0);
Steve Longerbeam19a81c12017-06-07 15:33:56 -0300[diff] [blame]1658 usleep_range(5000, 10000);
1659}
1660
Hugues Fruchet0f7acb52018-01-03 04:57:29 -0500[diff] [blame]1661static int ov5640_set_power_on(struct ov5640_dev *sensor)
1662{
1663 struct i2c_client *client = sensor->i2c_client;
1664 int ret;
1665
1666 ret = clk_prepare_enable(sensor->xclk);
1667 if (ret) {
1668 dev_err(&client->dev, "%s: failed to enable clock\n",
1669 __func__);
1670 return ret;
1671 }
1672
1673 ret = regulator_bulk_enable(OV5640_NUM_SUPPLIES,
1674 sensor->supplies);
1675 if (ret) {
1676 dev_err(&client->dev, "%s: failed to enable regulators\n",
1677 __func__);
1678 goto xclk_off;
1679 }
1680
1681 ov5640_reset(sensor);
1682 ov5640_power(sensor, true);
1683
1684 ret = ov5640_init_slave_id(sensor);
1685 if (ret)
1686 goto power_off;
1687
1688 return 0;
1689
1690power_off:
1691 ov5640_power(sensor, false);
1692 regulator_bulk_disable(OV5640_NUM_SUPPLIES, sensor->supplies);
1693xclk_off:
1694 clk_disable_unprepare(sensor->xclk);
1695 return ret;
1696}
1697
1698static void ov5640_set_power_off(struct ov5640_dev *sensor)
1699{
1700 ov5640_power(sensor, false);
1701 regulator_bulk_disable(OV5640_NUM_SUPPLIES, sensor->supplies);
1702 clk_disable_unprepare(sensor->xclk);
1703}
1704
Steve Longerbeam19a81c12017-06-07 15:33:56 -0300[diff] [blame]1705static int ov5640_set_power(struct ov5640_dev *sensor, bool on)
1706{
1707 int ret = 0;
1708
1709 if (on) {
Hugues Fruchet0f7acb52018-01-03 04:57:29 -0500[diff] [blame]1710 ret = ov5640_set_power_on(sensor);
Steve Longerbeam19a81c12017-06-07 15:33:56 -0300[diff] [blame]1711 if (ret)
Hugues Fruchet0f7acb52018-01-03 04:57:29 -0500[diff] [blame]1712 return ret;
Steve Longerbeam19a81c12017-06-07 15:33:56 -0300[diff] [blame]1713
1714 ret = ov5640_restore_mode(sensor);
1715 if (ret)
1716 goto power_off;
1717
Hugues Fruchetf22996d2018-01-03 04:57:31 -0500[diff] [blame^]1718 if (sensor->ep.bus_type == V4L2_MBUS_CSI2) {
1719 /*
1720 * start streaming briefly followed by stream off in
1721 * order to coax the clock lane into LP-11 state.
1722 */
1723 ret = ov5640_set_stream_mipi(sensor, true);
1724 if (ret)
1725 goto power_off;
1726 usleep_range(1000, 2000);
1727 ret = ov5640_set_stream_mipi(sensor, false);
1728 if (ret)
1729 goto power_off;
1730 }
Steve Longerbeam19a81c12017-06-07 15:33:56 -0300[diff] [blame]1731
1732 return 0;
1733 }
1734
1735power_off:
Hugues Fruchet0f7acb52018-01-03 04:57:29 -0500[diff] [blame]1736 ov5640_set_power_off(sensor);
Steve Longerbeam19a81c12017-06-07 15:33:56 -0300[diff] [blame]1737 return ret;
1738}
1739
1740/* --------------- Subdev Operations --------------- */
1741
1742static int ov5640_s_power(struct v4l2_subdev *sd, int on)
1743{
1744 struct ov5640_dev *sensor = to_ov5640_dev(sd);
1745 int ret = 0;
1746
1747 mutex_lock(&sensor->lock);
1748
1749 /*
1750 * If the power count is modified from 0 to != 0 or from != 0 to 0,
1751 * update the power state.
1752 */
1753 if (sensor->power_count == !on) {
1754 ret = ov5640_set_power(sensor, !!on);
1755 if (ret)
1756 goto out;
1757 }
1758
1759 /* Update the power count. */
1760 sensor->power_count += on ? 1 : -1;
1761 WARN_ON(sensor->power_count < 0);
1762out:
1763 mutex_unlock(&sensor->lock);
1764
1765 if (on && !ret && sensor->power_count == 1) {
1766 /* restore controls */
1767 ret = v4l2_ctrl_handler_setup(&sensor->ctrls.handler);
1768 }
1769
1770 return ret;
1771}
1772
1773static int ov5640_try_frame_interval(struct ov5640_dev *sensor,
1774 struct v4l2_fract *fi,
1775 u32 width, u32 height)
1776{
1777 const struct ov5640_mode_info *mode;
1778 u32 minfps, maxfps, fps;
1779 int ret;
1780
1781 minfps = ov5640_framerates[OV5640_15_FPS];
1782 maxfps = ov5640_framerates[OV5640_30_FPS];
1783
1784 if (fi->numerator == 0) {
1785 fi->denominator = maxfps;
1786 fi->numerator = 1;
1787 return OV5640_30_FPS;
1788 }
1789
1790 fps = DIV_ROUND_CLOSEST(fi->denominator, fi->numerator);
1791
1792 fi->numerator = 1;
1793 if (fps > maxfps)
1794 fi->denominator = maxfps;
1795 else if (fps < minfps)
1796 fi->denominator = minfps;
1797 else if (2 * fps >= 2 * minfps + (maxfps - minfps))
1798 fi->denominator = maxfps;
1799 else
1800 fi->denominator = minfps;
1801
1802 ret = (fi->denominator == minfps) ? OV5640_15_FPS : OV5640_30_FPS;
1803
1804 mode = ov5640_find_mode(sensor, ret, width, height, false);
1805 return mode ? ret : -EINVAL;
1806}
1807
1808static int ov5640_get_fmt(struct v4l2_subdev *sd,
1809 struct v4l2_subdev_pad_config *cfg,
1810 struct v4l2_subdev_format *format)
1811{
1812 struct ov5640_dev *sensor = to_ov5640_dev(sd);
1813 struct v4l2_mbus_framefmt *fmt;
1814
1815 if (format->pad != 0)
1816 return -EINVAL;
1817
1818 mutex_lock(&sensor->lock);
1819
1820 if (format->which == V4L2_SUBDEV_FORMAT_TRY)
1821 fmt = v4l2_subdev_get_try_format(&sensor->sd, cfg,
1822 format->pad);
1823 else
1824 fmt = &sensor->fmt;
1825
1826 format->format = *fmt;
1827
1828 mutex_unlock(&sensor->lock);
1829
1830 return 0;
1831}
1832
1833static int ov5640_try_fmt_internal(struct v4l2_subdev *sd,
1834 struct v4l2_mbus_framefmt *fmt,
1835 enum ov5640_frame_rate fr,
1836 const struct ov5640_mode_info **new_mode)
1837{
1838 struct ov5640_dev *sensor = to_ov5640_dev(sd);
1839 const struct ov5640_mode_info *mode;
1840
1841 mode = ov5640_find_mode(sensor, fr, fmt->width, fmt->height, true);
1842 if (!mode)
1843 return -EINVAL;
1844
1845 fmt->width = mode->width;
1846 fmt->height = mode->height;
1847 fmt->code = sensor->fmt.code;
1848
1849 if (new_mode)
1850 *new_mode = mode;
1851 return 0;
1852}
1853
1854static int ov5640_set_fmt(struct v4l2_subdev *sd,
1855 struct v4l2_subdev_pad_config *cfg,
1856 struct v4l2_subdev_format *format)
1857{
1858 struct ov5640_dev *sensor = to_ov5640_dev(sd);
1859 const struct ov5640_mode_info *new_mode;
1860 int ret;
1861
1862 if (format->pad != 0)
1863 return -EINVAL;
1864
1865 mutex_lock(&sensor->lock);
1866
1867 if (sensor->streaming) {
1868 ret = -EBUSY;
1869 goto out;
1870 }
1871
1872 ret = ov5640_try_fmt_internal(sd, &format->format,
1873 sensor->current_fr, &new_mode);
1874 if (ret)
1875 goto out;
1876
1877 if (format->which == V4L2_SUBDEV_FORMAT_TRY) {
1878 struct v4l2_mbus_framefmt *fmt =
1879 v4l2_subdev_get_try_format(sd, cfg, 0);
1880
1881 *fmt = format->format;
1882 goto out;
1883 }
1884
1885 sensor->current_mode = new_mode;
1886 sensor->fmt = format->format;
1887 sensor->pending_mode_change = true;
1888out:
1889 mutex_unlock(&sensor->lock);
1890 return ret;
1891}
1892
1893
1894/*
1895 * Sensor Controls.
1896 */
1897
1898static int ov5640_set_ctrl_hue(struct ov5640_dev *sensor, int value)
1899{
1900 int ret;
1901
1902 if (value) {
1903 ret = ov5640_mod_reg(sensor, OV5640_REG_SDE_CTRL0,
1904 BIT(0), BIT(0));
1905 if (ret)
1906 return ret;
1907 ret = ov5640_write_reg16(sensor, OV5640_REG_SDE_CTRL1, value);
1908 } else {
1909 ret = ov5640_mod_reg(sensor, OV5640_REG_SDE_CTRL0, BIT(0), 0);
1910 }
1911
1912 return ret;
1913}
1914
1915static int ov5640_set_ctrl_contrast(struct ov5640_dev *sensor, int value)
1916{
1917 int ret;
1918
1919 if (value) {
1920 ret = ov5640_mod_reg(sensor, OV5640_REG_SDE_CTRL0,
1921 BIT(2), BIT(2));
1922 if (ret)
1923 return ret;
1924 ret = ov5640_write_reg(sensor, OV5640_REG_SDE_CTRL5,
1925 value & 0xff);
1926 } else {
1927 ret = ov5640_mod_reg(sensor, OV5640_REG_SDE_CTRL0, BIT(2), 0);
1928 }
1929
1930 return ret;
1931}
1932
1933static int ov5640_set_ctrl_saturation(struct ov5640_dev *sensor, int value)
1934{
1935 int ret;
1936
1937 if (value) {
1938 ret = ov5640_mod_reg(sensor, OV5640_REG_SDE_CTRL0,
1939 BIT(1), BIT(1));
1940 if (ret)
1941 return ret;
1942 ret = ov5640_write_reg(sensor, OV5640_REG_SDE_CTRL3,
1943 value & 0xff);
1944 if (ret)
1945 return ret;
1946 ret = ov5640_write_reg(sensor, OV5640_REG_SDE_CTRL4,
1947 value & 0xff);
1948 } else {
1949 ret = ov5640_mod_reg(sensor, OV5640_REG_SDE_CTRL0, BIT(1), 0);
1950 }
1951
1952 return ret;
1953}
1954
1955static int ov5640_set_ctrl_white_balance(struct ov5640_dev *sensor, int awb)
1956{
1957 int ret;
1958
1959 ret = ov5640_mod_reg(sensor, OV5640_REG_AWB_MANUAL_CTRL,
1960 BIT(0), awb ? 0 : 1);
1961 if (ret)
1962 return ret;
1963
1964 if (!awb) {
1965 u16 red = (u16)sensor->ctrls.red_balance->val;
1966 u16 blue = (u16)sensor->ctrls.blue_balance->val;
1967
1968 ret = ov5640_write_reg16(sensor, OV5640_REG_AWB_R_GAIN, red);
1969 if (ret)
1970 return ret;
1971 ret = ov5640_write_reg16(sensor, OV5640_REG_AWB_B_GAIN, blue);
1972 }
1973
1974 return ret;
1975}
1976
1977static int ov5640_set_ctrl_exposure(struct ov5640_dev *sensor, int exp)
1978{
1979 struct ov5640_ctrls *ctrls = &sensor->ctrls;
1980 bool auto_exposure = (exp == V4L2_EXPOSURE_AUTO);
1981 int ret = 0;
1982
1983 if (ctrls->auto_exp->is_new) {
1984 ret = ov5640_mod_reg(sensor, OV5640_REG_AEC_PK_MANUAL,
1985 BIT(0), auto_exposure ? 0 : BIT(0));
1986 if (ret)
1987 return ret;
1988 }
1989
1990 if (!auto_exposure && ctrls->exposure->is_new) {
1991 u16 max_exp;
1992
1993 ret = ov5640_read_reg16(sensor, OV5640_REG_AEC_PK_VTS,
1994 &max_exp);
1995 if (ret)
1996 return ret;
1997 ret = ov5640_get_vts(sensor);
1998 if (ret < 0)
1999 return ret;
2000 max_exp += ret;
2001
2002 if (ctrls->exposure->val < max_exp)
2003 ret = ov5640_set_exposure(sensor, ctrls->exposure->val);
2004 }
2005
2006 return ret;
2007}
2008
2009static int ov5640_set_ctrl_gain(struct ov5640_dev *sensor, int auto_gain)
2010{
2011 struct ov5640_ctrls *ctrls = &sensor->ctrls;
2012 int ret = 0;
2013
2014 if (ctrls->auto_gain->is_new) {
2015 ret = ov5640_mod_reg(sensor, OV5640_REG_AEC_PK_MANUAL,
2016 BIT(1), ctrls->auto_gain->val ? 0 : BIT(1));
2017 if (ret)
2018 return ret;
2019 }
2020
2021 if (!auto_gain && ctrls->gain->is_new) {
2022 u16 gain = (u16)ctrls->gain->val;
2023
2024 ret = ov5640_write_reg16(sensor, OV5640_REG_AEC_PK_REAL_GAIN,
2025 gain & 0x3ff);
2026 }
2027
2028 return ret;
2029}
2030
2031static int ov5640_set_ctrl_test_pattern(struct ov5640_dev *sensor, int value)
2032{
2033 return ov5640_mod_reg(sensor, OV5640_REG_PRE_ISP_TEST_SET1,
2034 0xa4, value ? 0xa4 : 0);
2035}
2036
2037static int ov5640_g_volatile_ctrl(struct v4l2_ctrl *ctrl)
2038{
2039 struct v4l2_subdev *sd = ctrl_to_sd(ctrl);
2040 struct ov5640_dev *sensor = to_ov5640_dev(sd);
2041 int val;
2042
2043 /* v4l2_ctrl_lock() locks our own mutex */
2044
2045 switch (ctrl->id) {
2046 case V4L2_CID_AUTOGAIN:
2047 if (!ctrl->val)
2048 return 0;
2049 val = ov5640_get_gain(sensor);
2050 if (val < 0)
2051 return val;
2052 sensor->ctrls.gain->val = val;
2053 break;
2054 case V4L2_CID_EXPOSURE_AUTO:
2055 if (ctrl->val == V4L2_EXPOSURE_MANUAL)
2056 return 0;
2057 val = ov5640_get_exposure(sensor);
2058 if (val < 0)
2059 return val;
2060 sensor->ctrls.exposure->val = val;
2061 break;
2062 }
2063
2064 return 0;
2065}
2066
2067static int ov5640_s_ctrl(struct v4l2_ctrl *ctrl)
2068{
2069 struct v4l2_subdev *sd = ctrl_to_sd(ctrl);
2070 struct ov5640_dev *sensor = to_ov5640_dev(sd);
2071 int ret;
2072
2073 /* v4l2_ctrl_lock() locks our own mutex */
2074
2075 /*
2076 * If the device is not powered up by the host driver do
2077 * not apply any controls to H/W at this time. Instead
2078 * the controls will be restored right after power-up.
2079 */
2080 if (sensor->power_count == 0)
2081 return 0;
2082
2083 switch (ctrl->id) {
2084 case V4L2_CID_AUTOGAIN:
2085 ret = ov5640_set_ctrl_gain(sensor, ctrl->val);
2086 break;
2087 case V4L2_CID_EXPOSURE_AUTO:
2088 ret = ov5640_set_ctrl_exposure(sensor, ctrl->val);
2089 break;
2090 case V4L2_CID_AUTO_WHITE_BALANCE:
2091 ret = ov5640_set_ctrl_white_balance(sensor, ctrl->val);
2092 break;
2093 case V4L2_CID_HUE:
2094 ret = ov5640_set_ctrl_hue(sensor, ctrl->val);
2095 break;
2096 case V4L2_CID_CONTRAST:
2097 ret = ov5640_set_ctrl_contrast(sensor, ctrl->val);
2098 break;
2099 case V4L2_CID_SATURATION:
2100 ret = ov5640_set_ctrl_saturation(sensor, ctrl->val);
2101 break;
2102 case V4L2_CID_TEST_PATTERN:
2103 ret = ov5640_set_ctrl_test_pattern(sensor, ctrl->val);
2104 break;
2105 default:
2106 ret = -EINVAL;
2107 break;
2108 }
2109
2110 return ret;
2111}
2112
2113static const struct v4l2_ctrl_ops ov5640_ctrl_ops = {
2114 .g_volatile_ctrl = ov5640_g_volatile_ctrl,
2115 .s_ctrl = ov5640_s_ctrl,
2116};
2117
2118static const char * const test_pattern_menu[] = {
2119 "Disabled",
2120 "Color bars",
2121};
2122
2123static int ov5640_init_controls(struct ov5640_dev *sensor)
2124{
2125 const struct v4l2_ctrl_ops *ops = &ov5640_ctrl_ops;
2126 struct ov5640_ctrls *ctrls = &sensor->ctrls;
2127 struct v4l2_ctrl_handler *hdl = &ctrls->handler;
2128 int ret;
2129
2130 v4l2_ctrl_handler_init(hdl, 32);
2131
2132 /* we can use our own mutex for the ctrl lock */
2133 hdl->lock = &sensor->lock;
2134
2135 /* Auto/manual white balance */
2136 ctrls->auto_wb = v4l2_ctrl_new_std(hdl, ops,
2137 V4L2_CID_AUTO_WHITE_BALANCE,
2138 0, 1, 1, 1);
2139 ctrls->blue_balance = v4l2_ctrl_new_std(hdl, ops, V4L2_CID_BLUE_BALANCE,
2140 0, 4095, 1, 0);
2141 ctrls->red_balance = v4l2_ctrl_new_std(hdl, ops, V4L2_CID_RED_BALANCE,
2142 0, 4095, 1, 0);
2143 /* Auto/manual exposure */
2144 ctrls->auto_exp = v4l2_ctrl_new_std_menu(hdl, ops,
2145 V4L2_CID_EXPOSURE_AUTO,
2146 V4L2_EXPOSURE_MANUAL, 0,
2147 V4L2_EXPOSURE_AUTO);
2148 ctrls->exposure = v4l2_ctrl_new_std(hdl, ops, V4L2_CID_EXPOSURE,
2149 0, 65535, 1, 0);
2150 /* Auto/manual gain */
2151 ctrls->auto_gain = v4l2_ctrl_new_std(hdl, ops, V4L2_CID_AUTOGAIN,
2152 0, 1, 1, 1);
2153 ctrls->gain = v4l2_ctrl_new_std(hdl, ops, V4L2_CID_GAIN,
2154 0, 1023, 1, 0);
2155
2156 ctrls->saturation = v4l2_ctrl_new_std(hdl, ops, V4L2_CID_SATURATION,
2157 0, 255, 1, 64);
2158 ctrls->hue = v4l2_ctrl_new_std(hdl, ops, V4L2_CID_HUE,
2159 0, 359, 1, 0);
2160 ctrls->contrast = v4l2_ctrl_new_std(hdl, ops, V4L2_CID_CONTRAST,
2161 0, 255, 1, 0);
2162 ctrls->test_pattern =
2163 v4l2_ctrl_new_std_menu_items(hdl, ops, V4L2_CID_TEST_PATTERN,
2164 ARRAY_SIZE(test_pattern_menu) - 1,
2165 0, 0, test_pattern_menu);
2166
2167 if (hdl->error) {
2168 ret = hdl->error;
2169 goto free_ctrls;
2170 }
2171
2172 ctrls->gain->flags |= V4L2_CTRL_FLAG_VOLATILE;
2173 ctrls->exposure->flags |= V4L2_CTRL_FLAG_VOLATILE;
2174
2175 v4l2_ctrl_auto_cluster(3, &ctrls->auto_wb, 0, false);
2176 v4l2_ctrl_auto_cluster(2, &ctrls->auto_gain, 0, true);
2177 v4l2_ctrl_auto_cluster(2, &ctrls->auto_exp, 1, true);
2178
2179 sensor->sd.ctrl_handler = hdl;
2180 return 0;
2181
2182free_ctrls:
2183 v4l2_ctrl_handler_free(hdl);
2184 return ret;
2185}
2186
2187static int ov5640_enum_frame_size(struct v4l2_subdev *sd,
2188 struct v4l2_subdev_pad_config *cfg,
2189 struct v4l2_subdev_frame_size_enum *fse)
2190{
2191 if (fse->pad != 0)
2192 return -EINVAL;
2193 if (fse->index >= OV5640_NUM_MODES)
2194 return -EINVAL;
2195
2196 fse->min_width = fse->max_width =
2197 ov5640_mode_data[0][fse->index].width;
2198 fse->min_height = fse->max_height =
2199 ov5640_mode_data[0][fse->index].height;
2200
2201 return 0;
2202}
2203
2204static int ov5640_enum_frame_interval(
2205 struct v4l2_subdev *sd,
2206 struct v4l2_subdev_pad_config *cfg,
2207 struct v4l2_subdev_frame_interval_enum *fie)
2208{
2209 struct ov5640_dev *sensor = to_ov5640_dev(sd);
2210 struct v4l2_fract tpf;
2211 int ret;
2212
2213 if (fie->pad != 0)
2214 return -EINVAL;
2215 if (fie->index >= OV5640_NUM_FRAMERATES)
2216 return -EINVAL;
2217
2218 tpf.numerator = 1;
2219 tpf.denominator = ov5640_framerates[fie->index];
2220
2221 ret = ov5640_try_frame_interval(sensor, &tpf,
2222 fie->width, fie->height);
2223 if (ret < 0)
2224 return -EINVAL;
2225
2226 fie->interval = tpf;
2227 return 0;
2228}
2229
2230static int ov5640_g_frame_interval(struct v4l2_subdev *sd,
2231 struct v4l2_subdev_frame_interval *fi)
2232{
2233 struct ov5640_dev *sensor = to_ov5640_dev(sd);
2234
2235 mutex_lock(&sensor->lock);
2236 fi->interval = sensor->frame_interval;
2237 mutex_unlock(&sensor->lock);
2238
2239 return 0;
2240}
2241
2242static int ov5640_s_frame_interval(struct v4l2_subdev *sd,
2243 struct v4l2_subdev_frame_interval *fi)
2244{
2245 struct ov5640_dev *sensor = to_ov5640_dev(sd);
2246 const struct ov5640_mode_info *mode;
2247 int frame_rate, ret = 0;
2248
2249 if (fi->pad != 0)
2250 return -EINVAL;
2251
2252 mutex_lock(&sensor->lock);
2253
2254 if (sensor->streaming) {
2255 ret = -EBUSY;
2256 goto out;
2257 }
2258
2259 mode = sensor->current_mode;
2260
2261 frame_rate = ov5640_try_frame_interval(sensor, &fi->interval,
2262 mode->width, mode->height);
2263 if (frame_rate < 0)
2264 frame_rate = OV5640_15_FPS;
2265
2266 sensor->current_fr = frame_rate;
2267 sensor->frame_interval = fi->interval;
2268 sensor->pending_mode_change = true;
2269out:
2270 mutex_unlock(&sensor->lock);
2271 return ret;
2272}
2273
2274static int ov5640_enum_mbus_code(struct v4l2_subdev *sd,
2275 struct v4l2_subdev_pad_config *cfg,
2276 struct v4l2_subdev_mbus_code_enum *code)
2277{
2278 struct ov5640_dev *sensor = to_ov5640_dev(sd);
2279
2280 if (code->pad != 0)
2281 return -EINVAL;
2282 if (code->index != 0)
2283 return -EINVAL;
2284
2285 code->code = sensor->fmt.code;
2286
2287 return 0;
2288}
2289
2290static int ov5640_s_stream(struct v4l2_subdev *sd, int enable)
2291{
2292 struct ov5640_dev *sensor = to_ov5640_dev(sd);
2293 int ret = 0;
2294
2295 mutex_lock(&sensor->lock);
2296
2297 if (sensor->streaming == !enable) {
2298 if (enable && sensor->pending_mode_change) {
2299 ret = ov5640_set_mode(sensor, sensor->current_mode);
2300 if (ret)
2301 goto out;
2302 }
2303
Hugues Fruchetf22996d2018-01-03 04:57:31 -0500[diff] [blame^]2304 if (sensor->ep.bus_type == V4L2_MBUS_CSI2)
2305 ret = ov5640_set_stream_mipi(sensor, enable);
2306 else
2307 ret = ov5640_set_stream_dvp(sensor, enable);
2308
Steve Longerbeam19a81c12017-06-07 15:33:56 -0300[diff] [blame]2309 if (!ret)
2310 sensor->streaming = enable;
2311 }
2312out:
2313 mutex_unlock(&sensor->lock);
2314 return ret;
2315}
2316
2317static const struct v4l2_subdev_core_ops ov5640_core_ops = {
2318 .s_power = ov5640_s_power,
2319};
2320
2321static const struct v4l2_subdev_video_ops ov5640_video_ops = {
2322 .g_frame_interval = ov5640_g_frame_interval,
2323 .s_frame_interval = ov5640_s_frame_interval,
2324 .s_stream = ov5640_s_stream,
2325};
2326
2327static const struct v4l2_subdev_pad_ops ov5640_pad_ops = {
2328 .enum_mbus_code = ov5640_enum_mbus_code,
2329 .get_fmt = ov5640_get_fmt,
2330 .set_fmt = ov5640_set_fmt,
2331 .enum_frame_size = ov5640_enum_frame_size,
2332 .enum_frame_interval = ov5640_enum_frame_interval,
2333};
2334
2335static const struct v4l2_subdev_ops ov5640_subdev_ops = {
2336 .core = &ov5640_core_ops,
2337 .video = &ov5640_video_ops,
2338 .pad = &ov5640_pad_ops,
2339};
2340
2341static int ov5640_get_regulators(struct ov5640_dev *sensor)
2342{
2343 int i;
2344
2345 for (i = 0; i < OV5640_NUM_SUPPLIES; i++)
2346 sensor->supplies[i].supply = ov5640_supply_name[i];
2347
2348 return devm_regulator_bulk_get(&sensor->i2c_client->dev,
2349 OV5640_NUM_SUPPLIES,
2350 sensor->supplies);
2351}
2352
Hugues Fruchet0f7acb52018-01-03 04:57:29 -0500[diff] [blame]2353static int ov5640_check_chip_id(struct ov5640_dev *sensor)
2354{
2355 struct i2c_client *client = sensor->i2c_client;
2356 int ret = 0;
2357 u16 chip_id;
2358
2359 ret = ov5640_set_power_on(sensor);
2360 if (ret)
2361 return ret;
2362
2363 ret = ov5640_read_reg16(sensor, OV5640_REG_CHIP_ID, &chip_id);
2364 if (ret) {
2365 dev_err(&client->dev, "%s: failed to read chip identifier\n",
2366 __func__);
2367 goto power_off;
2368 }
2369
2370 if (chip_id != 0x5640) {
2371 dev_err(&client->dev, "%s: wrong chip identifier, expected 0x5640, got 0x%x\n",
2372 __func__, chip_id);
2373 ret = -ENXIO;
2374 }
2375
2376power_off:
2377 ov5640_set_power_off(sensor);
2378 return ret;
2379}
2380
Steve Longerbeam19a81c12017-06-07 15:33:56 -0300[diff] [blame]2381static int ov5640_probe(struct i2c_client *client,
2382 const struct i2c_device_id *id)
2383{
2384 struct device *dev = &client->dev;
2385 struct fwnode_handle *endpoint;
2386 struct ov5640_dev *sensor;
2387 int ret;
2388
2389 sensor = devm_kzalloc(dev, sizeof(*sensor), GFP_KERNEL);
2390 if (!sensor)
2391 return -ENOMEM;
2392
2393 sensor->i2c_client = client;
2394 sensor->fmt.code = MEDIA_BUS_FMT_UYVY8_2X8;
2395 sensor->fmt.width = 640;
2396 sensor->fmt.height = 480;
2397 sensor->fmt.field = V4L2_FIELD_NONE;
2398 sensor->frame_interval.numerator = 1;
2399 sensor->frame_interval.denominator = ov5640_framerates[OV5640_30_FPS];
2400 sensor->current_fr = OV5640_30_FPS;
2401 sensor->current_mode =
2402 &ov5640_mode_data[OV5640_30_FPS][OV5640_MODE_VGA_640_480];
2403 sensor->pending_mode_change = true;
2404
2405 sensor->ae_target = 52;
2406
2407 endpoint = fwnode_graph_get_next_endpoint(
2408 of_fwnode_handle(client->dev.of_node), NULL);
2409 if (!endpoint) {
2410 dev_err(dev, "endpoint node not found\n");
2411 return -EINVAL;
2412 }
2413
2414 ret = v4l2_fwnode_endpoint_parse(endpoint, &sensor->ep);
2415 fwnode_handle_put(endpoint);
2416 if (ret) {
2417 dev_err(dev, "Could not parse endpoint\n");
2418 return ret;
2419 }
2420
Steve Longerbeam19a81c12017-06-07 15:33:56 -0300[diff] [blame]2421 /* get system clock (xclk) */
2422 sensor->xclk = devm_clk_get(dev, "xclk");
2423 if (IS_ERR(sensor->xclk)) {
2424 dev_err(dev, "failed to get xclk\n");
2425 return PTR_ERR(sensor->xclk);
2426 }
2427
2428 sensor->xclk_freq = clk_get_rate(sensor->xclk);
2429 if (sensor->xclk_freq < OV5640_XCLK_MIN ||
2430 sensor->xclk_freq > OV5640_XCLK_MAX) {
2431 dev_err(dev, "xclk frequency out of range: %d Hz\n",
2432 sensor->xclk_freq);
2433 return -EINVAL;
2434 }
2435
2436 /* request optional power down pin */
2437 sensor->pwdn_gpio = devm_gpiod_get_optional(dev, "powerdown",
2438 GPIOD_OUT_HIGH);
2439 /* request optional reset pin */
2440 sensor->reset_gpio = devm_gpiod_get_optional(dev, "reset",
2441 GPIOD_OUT_HIGH);
2442
2443 v4l2_i2c_subdev_init(&sensor->sd, client, &ov5640_subdev_ops);
2444
Akinobu Mitadae82d92017-10-19 12:31:23 -0400[diff] [blame]2445 sensor->sd.flags |= V4L2_SUBDEV_FL_HAS_DEVNODE;
Steve Longerbeam19a81c12017-06-07 15:33:56 -0300[diff] [blame]2446 sensor->pad.flags = MEDIA_PAD_FL_SOURCE;
2447 sensor->sd.entity.function = MEDIA_ENT_F_CAM_SENSOR;
2448 ret = media_entity_pads_init(&sensor->sd.entity, 1, &sensor->pad);
2449 if (ret)
2450 return ret;
2451
2452 ret = ov5640_get_regulators(sensor);
2453 if (ret)
2454 return ret;
2455
2456 mutex_init(&sensor->lock);
2457
Hugues Fruchet0f7acb52018-01-03 04:57:29 -0500[diff] [blame]2458 ret = ov5640_check_chip_id(sensor);
2459 if (ret)
2460 goto entity_cleanup;
2461
Steve Longerbeam19a81c12017-06-07 15:33:56 -0300[diff] [blame]2462 ret = ov5640_init_controls(sensor);
2463 if (ret)
2464 goto entity_cleanup;
2465
2466 ret = v4l2_async_register_subdev(&sensor->sd);
2467 if (ret)
2468 goto free_ctrls;
2469
2470 return 0;
2471
2472free_ctrls:
2473 v4l2_ctrl_handler_free(&sensor->ctrls.handler);
2474entity_cleanup:
2475 mutex_destroy(&sensor->lock);
2476 media_entity_cleanup(&sensor->sd.entity);
2477 return ret;
2478}
2479
2480static int ov5640_remove(struct i2c_client *client)
2481{
2482 struct v4l2_subdev *sd = i2c_get_clientdata(client);
2483 struct ov5640_dev *sensor = to_ov5640_dev(sd);
2484
2485 v4l2_async_unregister_subdev(&sensor->sd);
2486 mutex_destroy(&sensor->lock);
2487 media_entity_cleanup(&sensor->sd.entity);
2488 v4l2_ctrl_handler_free(&sensor->ctrls.handler);
2489
2490 return 0;
2491}
2492
2493static const struct i2c_device_id ov5640_id[] = {
2494 {"ov5640", 0},
2495 {},
2496};
2497MODULE_DEVICE_TABLE(i2c, ov5640_id);
2498
2499static const struct of_device_id ov5640_dt_ids[] = {
2500 { .compatible = "ovti,ov5640" },
2501 { /* sentinel */ }
2502};
2503MODULE_DEVICE_TABLE(of, ov5640_dt_ids);
2504
2505static struct i2c_driver ov5640_i2c_driver = {
2506 .driver = {
2507 .name = "ov5640",
2508 .of_match_table = ov5640_dt_ids,
2509 },
2510 .id_table = ov5640_id,
2511 .probe = ov5640_probe,
2512 .remove = ov5640_remove,
2513};
2514
2515module_i2c_driver(ov5640_i2c_driver);
2516
2517MODULE_DESCRIPTION("OV5640 MIPI Camera Subdev Driver");
2518MODULE_LICENSE("GPL");