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x86/intel_rdt: Fix incorrect returned value when creating rdgroup sub-directory in...
[cris-mirror.git] / drivers / media / i2c / ov5640.c
blobe2dd352224c786c0ead06298178c0de9768165cb
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
37 #define OV5640_REG_SYS_CTRL0 0x3008
38 #define OV5640_REG_CHIP_ID 0x300a
39 #define OV5640_REG_IO_MIPI_CTRL00 0x300e
40 #define OV5640_REG_PAD_OUTPUT_ENABLE01 0x3017
41 #define OV5640_REG_PAD_OUTPUT_ENABLE02 0x3018
42 #define OV5640_REG_PAD_OUTPUT00 0x3019
43 #define OV5640_REG_SYSTEM_CONTROL1 0x302e
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
49 #define OV5640_REG_SCCB_SYS_CTRL1 0x3103
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
79 #define OV5640_REG_FORMAT_CONTROL00 0x4300
80 #define OV5640_REG_POLARITY_CTRL00 0x4740
81 #define OV5640_REG_MIPI_CTRL00 0x4800
82 #define OV5640_REG_DEBUG_MODE 0x4814
83 #define OV5640_REG_ISP_FORMAT_MUX_CTRL 0x501f
84 #define OV5640_REG_PRE_ISP_TEST_SET1 0x503d
85 #define OV5640_REG_SDE_CTRL0 0x5580
86 #define OV5640_REG_SDE_CTRL1 0x5581
87 #define OV5640_REG_SDE_CTRL3 0x5583
88 #define OV5640_REG_SDE_CTRL4 0x5584
89 #define OV5640_REG_SDE_CTRL5 0x5585
90 #define OV5640_REG_AVG_READOUT 0x56a1
91
92 enum ov5640_mode_id {
93 OV5640_MODE_QCIF_176_144 = 0,
94 OV5640_MODE_QVGA_320_240,
95 OV5640_MODE_VGA_640_480,
96 OV5640_MODE_NTSC_720_480,
97 OV5640_MODE_PAL_720_576,
98 OV5640_MODE_XGA_1024_768,
99 OV5640_MODE_720P_1280_720,
100 OV5640_MODE_1080P_1920_1080,
101 OV5640_MODE_QSXGA_2592_1944,
102 OV5640_NUM_MODES,
103 };
104
105 enum ov5640_frame_rate {
106 OV5640_15_FPS = 0,
107 OV5640_30_FPS,
108 OV5640_NUM_FRAMERATES,
109 };
110
111 struct ov5640_pixfmt {
112 u32 code;
113 u32 colorspace;
114 };
115
116 static const struct ov5640_pixfmt ov5640_formats[] = {
117 { MEDIA_BUS_FMT_UYVY8_2X8, V4L2_COLORSPACE_SRGB, },
118 { MEDIA_BUS_FMT_YUYV8_2X8, V4L2_COLORSPACE_SRGB, },
119 { MEDIA_BUS_FMT_RGB565_2X8_LE, V4L2_COLORSPACE_SRGB, },
120 { MEDIA_BUS_FMT_RGB565_2X8_BE, V4L2_COLORSPACE_SRGB, },
121 };
122
123 /*
124 * FIXME: remove this when a subdev API becomes available
125 * to set the MIPI CSI-2 virtual channel.
126 */
127 static unsigned int virtual_channel;
128 module_param(virtual_channel, int, 0);
129 MODULE_PARM_DESC(virtual_channel,
130 "MIPI CSI-2 virtual channel (0..3), default 0");
131
132 static const int ov5640_framerates[] = {
133 [OV5640_15_FPS] = 15,
134 [OV5640_30_FPS] = 30,
135 };
136
137 /* regulator supplies */
138 static const char * const ov5640_supply_name[] = {
139 "DOVDD", /* Digital I/O (1.8V) suppply */
140 "DVDD", /* Digital Core (1.5V) supply */
141 "AVDD", /* Analog (2.8V) supply */
142 };
143
144 #define OV5640_NUM_SUPPLIES ARRAY_SIZE(ov5640_supply_name)
145
146 /*
147 * Image size under 1280 * 960 are SUBSAMPLING
148 * Image size upper 1280 * 960 are SCALING
149 */
150 enum ov5640_downsize_mode {
151 SUBSAMPLING,
152 SCALING,
153 };
154
155 struct reg_value {
156 u16 reg_addr;
157 u8 val;
158 u8 mask;
159 u32 delay_ms;
160 };
161
162 struct ov5640_mode_info {
163 enum ov5640_mode_id id;
164 enum ov5640_downsize_mode dn_mode;
165 u32 width;
166 u32 height;
167 const struct reg_value *reg_data;
168 u32 reg_data_size;
169 };
170
171 struct ov5640_ctrls {
172 struct v4l2_ctrl_handler handler;
173 struct {
174 struct v4l2_ctrl *auto_exp;
175 struct v4l2_ctrl *exposure;
176 };
177 struct {
178 struct v4l2_ctrl *auto_wb;
179 struct v4l2_ctrl *blue_balance;
180 struct v4l2_ctrl *red_balance;
181 };
182 struct {
183 struct v4l2_ctrl *auto_gain;
184 struct v4l2_ctrl *gain;
185 };
186 struct v4l2_ctrl *brightness;
187 struct v4l2_ctrl *saturation;
188 struct v4l2_ctrl *contrast;
189 struct v4l2_ctrl *hue;
190 struct v4l2_ctrl *test_pattern;
191 };
192
193 struct ov5640_dev {
194 struct i2c_client *i2c_client;
195 struct v4l2_subdev sd;
196 struct media_pad pad;
197 struct v4l2_fwnode_endpoint ep; /* the parsed DT endpoint info */
198 struct clk *xclk; /* system clock to OV5640 */
199 u32 xclk_freq;
200
201 struct regulator_bulk_data supplies[OV5640_NUM_SUPPLIES];
202 struct gpio_desc *reset_gpio;
203 struct gpio_desc *pwdn_gpio;
204
205 /* lock to protect all members below */
206 struct mutex lock;
207
208 int power_count;
209
210 struct v4l2_mbus_framefmt fmt;
211
212 const struct ov5640_mode_info *current_mode;
213 enum ov5640_frame_rate current_fr;
214 struct v4l2_fract frame_interval;
215
216 struct ov5640_ctrls ctrls;
217
218 u32 prev_sysclk, prev_hts;
219 u32 ae_low, ae_high, ae_target;
220
221 bool pending_mode_change;
222 bool streaming;
223 };
224
225 static inline struct ov5640_dev *to_ov5640_dev(struct v4l2_subdev *sd)
226 {
227 return container_of(sd, struct ov5640_dev, sd);
228 }
229
230 static inline struct v4l2_subdev *ctrl_to_sd(struct v4l2_ctrl *ctrl)
231 {
232 return &container_of(ctrl->handler, struct ov5640_dev,
233 ctrls.handler)->sd;
234 }
235
236 /*
237 * FIXME: all of these register tables are likely filled with
238 * entries that set the register to their power-on default values,
239 * and which are otherwise not touched by this driver. Those entries
240 * should be identified and removed to speed register load time
241 * over i2c.
242 */
243
244 static const struct reg_value ov5640_init_setting_30fps_VGA[] = {
245
246 {0x3103, 0x11, 0, 0}, {0x3008, 0x82, 0, 5}, {0x3008, 0x42, 0, 0},
247 {0x3103, 0x03, 0, 0}, {0x3017, 0x00, 0, 0}, {0x3018, 0x00, 0, 0},
248 {0x3034, 0x18, 0, 0}, {0x3035, 0x14, 0, 0}, {0x3036, 0x38, 0, 0},
249 {0x3037, 0x13, 0, 0}, {0x3108, 0x01, 0, 0}, {0x3630, 0x36, 0, 0},
250 {0x3631, 0x0e, 0, 0}, {0x3632, 0xe2, 0, 0}, {0x3633, 0x12, 0, 0},
251 {0x3621, 0xe0, 0, 0}, {0x3704, 0xa0, 0, 0}, {0x3703, 0x5a, 0, 0},
252 {0x3715, 0x78, 0, 0}, {0x3717, 0x01, 0, 0}, {0x370b, 0x60, 0, 0},
253 {0x3705, 0x1a, 0, 0}, {0x3905, 0x02, 0, 0}, {0x3906, 0x10, 0, 0},
254 {0x3901, 0x0a, 0, 0}, {0x3731, 0x12, 0, 0}, {0x3600, 0x08, 0, 0},
255 {0x3601, 0x33, 0, 0}, {0x302d, 0x60, 0, 0}, {0x3620, 0x52, 0, 0},
256 {0x371b, 0x20, 0, 0}, {0x471c, 0x50, 0, 0}, {0x3a13, 0x43, 0, 0},
257 {0x3a18, 0x00, 0, 0}, {0x3a19, 0xf8, 0, 0}, {0x3635, 0x13, 0, 0},
258 {0x3636, 0x03, 0, 0}, {0x3634, 0x40, 0, 0}, {0x3622, 0x01, 0, 0},
259 {0x3c01, 0xa4, 0, 0}, {0x3c04, 0x28, 0, 0}, {0x3c05, 0x98, 0, 0},
260 {0x3c06, 0x00, 0, 0}, {0x3c07, 0x08, 0, 0}, {0x3c08, 0x00, 0, 0},
261 {0x3c09, 0x1c, 0, 0}, {0x3c0a, 0x9c, 0, 0}, {0x3c0b, 0x40, 0, 0},
262 {0x3820, 0x41, 0, 0}, {0x3821, 0x07, 0, 0}, {0x3814, 0x31, 0, 0},
263 {0x3815, 0x31, 0, 0}, {0x3800, 0x00, 0, 0}, {0x3801, 0x00, 0, 0},
264 {0x3802, 0x00, 0, 0}, {0x3803, 0x04, 0, 0}, {0x3804, 0x0a, 0, 0},
265 {0x3805, 0x3f, 0, 0}, {0x3806, 0x07, 0, 0}, {0x3807, 0x9b, 0, 0},
266 {0x3808, 0x02, 0, 0}, {0x3809, 0x80, 0, 0}, {0x380a, 0x01, 0, 0},
267 {0x380b, 0xe0, 0, 0}, {0x380c, 0x07, 0, 0}, {0x380d, 0x68, 0, 0},
268 {0x380e, 0x03, 0, 0}, {0x380f, 0xd8, 0, 0}, {0x3810, 0x00, 0, 0},
269 {0x3811, 0x10, 0, 0}, {0x3812, 0x00, 0, 0}, {0x3813, 0x06, 0, 0},
270 {0x3618, 0x00, 0, 0}, {0x3612, 0x29, 0, 0}, {0x3708, 0x64, 0, 0},
271 {0x3709, 0x52, 0, 0}, {0x370c, 0x03, 0, 0}, {0x3a02, 0x03, 0, 0},
272 {0x3a03, 0xd8, 0, 0}, {0x3a08, 0x01, 0, 0}, {0x3a09, 0x27, 0, 0},
273 {0x3a0a, 0x00, 0, 0}, {0x3a0b, 0xf6, 0, 0}, {0x3a0e, 0x03, 0, 0},
274 {0x3a0d, 0x04, 0, 0}, {0x3a14, 0x03, 0, 0}, {0x3a15, 0xd8, 0, 0},
275 {0x4001, 0x02, 0, 0}, {0x4004, 0x02, 0, 0}, {0x3000, 0x00, 0, 0},
276 {0x3002, 0x1c, 0, 0}, {0x3004, 0xff, 0, 0}, {0x3006, 0xc3, 0, 0},
277 {0x300e, 0x45, 0, 0}, {0x302e, 0x08, 0, 0}, {0x4300, 0x3f, 0, 0},
278 {0x501f, 0x00, 0, 0}, {0x4713, 0x03, 0, 0}, {0x4407, 0x04, 0, 0},
279 {0x440e, 0x00, 0, 0}, {0x460b, 0x35, 0, 0}, {0x460c, 0x22, 0, 0},
280 {0x4837, 0x0a, 0, 0}, {0x4800, 0x04, 0, 0}, {0x3824, 0x02, 0, 0},
281 {0x5000, 0xa7, 0, 0}, {0x5001, 0xa3, 0, 0}, {0x5180, 0xff, 0, 0},
282 {0x5181, 0xf2, 0, 0}, {0x5182, 0x00, 0, 0}, {0x5183, 0x14, 0, 0},
283 {0x5184, 0x25, 0, 0}, {0x5185, 0x24, 0, 0}, {0x5186, 0x09, 0, 0},
284 {0x5187, 0x09, 0, 0}, {0x5188, 0x09, 0, 0}, {0x5189, 0x88, 0, 0},
285 {0x518a, 0x54, 0, 0}, {0x518b, 0xee, 0, 0}, {0x518c, 0xb2, 0, 0},
286 {0x518d, 0x50, 0, 0}, {0x518e, 0x34, 0, 0}, {0x518f, 0x6b, 0, 0},
287 {0x5190, 0x46, 0, 0}, {0x5191, 0xf8, 0, 0}, {0x5192, 0x04, 0, 0},
288 {0x5193, 0x70, 0, 0}, {0x5194, 0xf0, 0, 0}, {0x5195, 0xf0, 0, 0},
289 {0x5196, 0x03, 0, 0}, {0x5197, 0x01, 0, 0}, {0x5198, 0x04, 0, 0},
290 {0x5199, 0x6c, 0, 0}, {0x519a, 0x04, 0, 0}, {0x519b, 0x00, 0, 0},
291 {0x519c, 0x09, 0, 0}, {0x519d, 0x2b, 0, 0}, {0x519e, 0x38, 0, 0},
292 {0x5381, 0x1e, 0, 0}, {0x5382, 0x5b, 0, 0}, {0x5383, 0x08, 0, 0},
293 {0x5384, 0x0a, 0, 0}, {0x5385, 0x7e, 0, 0}, {0x5386, 0x88, 0, 0},
294 {0x5387, 0x7c, 0, 0}, {0x5388, 0x6c, 0, 0}, {0x5389, 0x10, 0, 0},
295 {0x538a, 0x01, 0, 0}, {0x538b, 0x98, 0, 0}, {0x5300, 0x08, 0, 0},
296 {0x5301, 0x30, 0, 0}, {0x5302, 0x10, 0, 0}, {0x5303, 0x00, 0, 0},
297 {0x5304, 0x08, 0, 0}, {0x5305, 0x30, 0, 0}, {0x5306, 0x08, 0, 0},
298 {0x5307, 0x16, 0, 0}, {0x5309, 0x08, 0, 0}, {0x530a, 0x30, 0, 0},
299 {0x530b, 0x04, 0, 0}, {0x530c, 0x06, 0, 0}, {0x5480, 0x01, 0, 0},
300 {0x5481, 0x08, 0, 0}, {0x5482, 0x14, 0, 0}, {0x5483, 0x28, 0, 0},
301 {0x5484, 0x51, 0, 0}, {0x5485, 0x65, 0, 0}, {0x5486, 0x71, 0, 0},
302 {0x5487, 0x7d, 0, 0}, {0x5488, 0x87, 0, 0}, {0x5489, 0x91, 0, 0},
303 {0x548a, 0x9a, 0, 0}, {0x548b, 0xaa, 0, 0}, {0x548c, 0xb8, 0, 0},
304 {0x548d, 0xcd, 0, 0}, {0x548e, 0xdd, 0, 0}, {0x548f, 0xea, 0, 0},
305 {0x5490, 0x1d, 0, 0}, {0x5580, 0x02, 0, 0}, {0x5583, 0x40, 0, 0},
306 {0x5584, 0x10, 0, 0}, {0x5589, 0x10, 0, 0}, {0x558a, 0x00, 0, 0},
307 {0x558b, 0xf8, 0, 0}, {0x5800, 0x23, 0, 0}, {0x5801, 0x14, 0, 0},
308 {0x5802, 0x0f, 0, 0}, {0x5803, 0x0f, 0, 0}, {0x5804, 0x12, 0, 0},
309 {0x5805, 0x26, 0, 0}, {0x5806, 0x0c, 0, 0}, {0x5807, 0x08, 0, 0},
310 {0x5808, 0x05, 0, 0}, {0x5809, 0x05, 0, 0}, {0x580a, 0x08, 0, 0},
311 {0x580b, 0x0d, 0, 0}, {0x580c, 0x08, 0, 0}, {0x580d, 0x03, 0, 0},
312 {0x580e, 0x00, 0, 0}, {0x580f, 0x00, 0, 0}, {0x5810, 0x03, 0, 0},
313 {0x5811, 0x09, 0, 0}, {0x5812, 0x07, 0, 0}, {0x5813, 0x03, 0, 0},
314 {0x5814, 0x00, 0, 0}, {0x5815, 0x01, 0, 0}, {0x5816, 0x03, 0, 0},
315 {0x5817, 0x08, 0, 0}, {0x5818, 0x0d, 0, 0}, {0x5819, 0x08, 0, 0},
316 {0x581a, 0x05, 0, 0}, {0x581b, 0x06, 0, 0}, {0x581c, 0x08, 0, 0},
317 {0x581d, 0x0e, 0, 0}, {0x581e, 0x29, 0, 0}, {0x581f, 0x17, 0, 0},
318 {0x5820, 0x11, 0, 0}, {0x5821, 0x11, 0, 0}, {0x5822, 0x15, 0, 0},
319 {0x5823, 0x28, 0, 0}, {0x5824, 0x46, 0, 0}, {0x5825, 0x26, 0, 0},
320 {0x5826, 0x08, 0, 0}, {0x5827, 0x26, 0, 0}, {0x5828, 0x64, 0, 0},
321 {0x5829, 0x26, 0, 0}, {0x582a, 0x24, 0, 0}, {0x582b, 0x22, 0, 0},
322 {0x582c, 0x24, 0, 0}, {0x582d, 0x24, 0, 0}, {0x582e, 0x06, 0, 0},
323 {0x582f, 0x22, 0, 0}, {0x5830, 0x40, 0, 0}, {0x5831, 0x42, 0, 0},
324 {0x5832, 0x24, 0, 0}, {0x5833, 0x26, 0, 0}, {0x5834, 0x24, 0, 0},
325 {0x5835, 0x22, 0, 0}, {0x5836, 0x22, 0, 0}, {0x5837, 0x26, 0, 0},
326 {0x5838, 0x44, 0, 0}, {0x5839, 0x24, 0, 0}, {0x583a, 0x26, 0, 0},
327 {0x583b, 0x28, 0, 0}, {0x583c, 0x42, 0, 0}, {0x583d, 0xce, 0, 0},
328 {0x5025, 0x00, 0, 0}, {0x3a0f, 0x30, 0, 0}, {0x3a10, 0x28, 0, 0},
329 {0x3a1b, 0x30, 0, 0}, {0x3a1e, 0x26, 0, 0}, {0x3a11, 0x60, 0, 0},
330 {0x3a1f, 0x14, 0, 0}, {0x3008, 0x02, 0, 0}, {0x3c00, 0x04, 0, 300},
331 };
332
333 static const struct reg_value ov5640_setting_30fps_VGA_640_480[] = {
334
335 {0x3035, 0x14, 0, 0}, {0x3036, 0x38, 0, 0}, {0x3c07, 0x08, 0, 0},
336 {0x3c09, 0x1c, 0, 0}, {0x3c0a, 0x9c, 0, 0}, {0x3c0b, 0x40, 0, 0},
337 {0x3820, 0x41, 0, 0}, {0x3821, 0x07, 0, 0}, {0x3814, 0x31, 0, 0},
338 {0x3815, 0x31, 0, 0}, {0x3800, 0x00, 0, 0}, {0x3801, 0x00, 0, 0},
339 {0x3802, 0x00, 0, 0}, {0x3803, 0x04, 0, 0}, {0x3804, 0x0a, 0, 0},
340 {0x3805, 0x3f, 0, 0}, {0x3806, 0x07, 0, 0}, {0x3807, 0x9b, 0, 0},
341 {0x3808, 0x02, 0, 0}, {0x3809, 0x80, 0, 0}, {0x380a, 0x01, 0, 0},
342 {0x380b, 0xe0, 0, 0}, {0x380c, 0x07, 0, 0}, {0x380d, 0x68, 0, 0},
343 {0x380e, 0x04, 0, 0}, {0x380f, 0x38, 0, 0}, {0x3810, 0x00, 0, 0},
344 {0x3811, 0x10, 0, 0}, {0x3812, 0x00, 0, 0}, {0x3813, 0x06, 0, 0},
345 {0x3618, 0x00, 0, 0}, {0x3612, 0x29, 0, 0}, {0x3708, 0x64, 0, 0},
346 {0x3709, 0x52, 0, 0}, {0x370c, 0x03, 0, 0}, {0x3a02, 0x03, 0, 0},
347 {0x3a03, 0xd8, 0, 0}, {0x3a08, 0x01, 0, 0}, {0x3a09, 0x0e, 0, 0},
348 {0x3a0a, 0x00, 0, 0}, {0x3a0b, 0xf6, 0, 0}, {0x3a0e, 0x03, 0, 0},
349 {0x3a0d, 0x04, 0, 0}, {0x3a14, 0x03, 0, 0}, {0x3a15, 0xd8, 0, 0},
350 {0x4001, 0x02, 0, 0}, {0x4004, 0x02, 0, 0}, {0x4713, 0x03, 0, 0},
351 {0x4407, 0x04, 0, 0}, {0x460b, 0x35, 0, 0}, {0x460c, 0x22, 0, 0},
352 {0x3824, 0x02, 0, 0}, {0x5001, 0xa3, 0, 0}, {0x3503, 0x00, 0, 0},
353 };
354
355 static const struct reg_value ov5640_setting_15fps_VGA_640_480[] = {
356 {0x3035, 0x22, 0, 0}, {0x3036, 0x38, 0, 0}, {0x3c07, 0x08, 0, 0},
357 {0x3c09, 0x1c, 0, 0}, {0x3c0a, 0x9c, 0, 0}, {0x3c0b, 0x40, 0, 0},
358 {0x3820, 0x41, 0, 0}, {0x3821, 0x07, 0, 0}, {0x3814, 0x31, 0, 0},
359 {0x3815, 0x31, 0, 0}, {0x3800, 0x00, 0, 0}, {0x3801, 0x00, 0, 0},
360 {0x3802, 0x00, 0, 0}, {0x3803, 0x04, 0, 0}, {0x3804, 0x0a, 0, 0},
361 {0x3805, 0x3f, 0, 0}, {0x3806, 0x07, 0, 0}, {0x3807, 0x9b, 0, 0},
362 {0x3808, 0x02, 0, 0}, {0x3809, 0x80, 0, 0}, {0x380a, 0x01, 0, 0},
363 {0x380b, 0xe0, 0, 0}, {0x380c, 0x07, 0, 0}, {0x380d, 0x68, 0, 0},
364 {0x380e, 0x03, 0, 0}, {0x380f, 0xd8, 0, 0}, {0x3810, 0x00, 0, 0},
365 {0x3811, 0x10, 0, 0}, {0x3812, 0x00, 0, 0}, {0x3813, 0x06, 0, 0},
366 {0x3618, 0x00, 0, 0}, {0x3612, 0x29, 0, 0}, {0x3708, 0x64, 0, 0},
367 {0x3709, 0x52, 0, 0}, {0x370c, 0x03, 0, 0}, {0x3a02, 0x03, 0, 0},
368 {0x3a03, 0xd8, 0, 0}, {0x3a08, 0x01, 0, 0}, {0x3a09, 0x27, 0, 0},
369 {0x3a0a, 0x00, 0, 0}, {0x3a0b, 0xf6, 0, 0}, {0x3a0e, 0x03, 0, 0},
370 {0x3a0d, 0x04, 0, 0}, {0x3a14, 0x03, 0, 0}, {0x3a15, 0xd8, 0, 0},
371 {0x4001, 0x02, 0, 0}, {0x4004, 0x02, 0, 0}, {0x4713, 0x03, 0, 0},
372 {0x4407, 0x04, 0, 0}, {0x460b, 0x35, 0, 0}, {0x460c, 0x22, 0, 0},
373 {0x3824, 0x02, 0, 0}, {0x5001, 0xa3, 0, 0},
374 };
375
376 static const struct reg_value ov5640_setting_30fps_XGA_1024_768[] = {
377
378 {0x3035, 0x14, 0, 0}, {0x3036, 0x38, 0, 0}, {0x3c07, 0x08, 0, 0},
379 {0x3c09, 0x1c, 0, 0}, {0x3c0a, 0x9c, 0, 0}, {0x3c0b, 0x40, 0, 0},
380 {0x3820, 0x41, 0, 0}, {0x3821, 0x07, 0, 0}, {0x3814, 0x31, 0, 0},
381 {0x3815, 0x31, 0, 0}, {0x3800, 0x00, 0, 0}, {0x3801, 0x00, 0, 0},
382 {0x3802, 0x00, 0, 0}, {0x3803, 0x04, 0, 0}, {0x3804, 0x0a, 0, 0},
383 {0x3805, 0x3f, 0, 0}, {0x3806, 0x07, 0, 0}, {0x3807, 0x9b, 0, 0},
384 {0x3808, 0x02, 0, 0}, {0x3809, 0x80, 0, 0}, {0x380a, 0x01, 0, 0},
385 {0x380b, 0xe0, 0, 0}, {0x380c, 0x07, 0, 0}, {0x380d, 0x68, 0, 0},
386 {0x380e, 0x04, 0, 0}, {0x380f, 0x38, 0, 0}, {0x3810, 0x00, 0, 0},
387 {0x3811, 0x10, 0, 0}, {0x3812, 0x00, 0, 0}, {0x3813, 0x06, 0, 0},
388 {0x3618, 0x00, 0, 0}, {0x3612, 0x29, 0, 0}, {0x3708, 0x64, 0, 0},
389 {0x3709, 0x52, 0, 0}, {0x370c, 0x03, 0, 0}, {0x3a02, 0x03, 0, 0},
390 {0x3a03, 0xd8, 0, 0}, {0x3a08, 0x01, 0, 0}, {0x3a09, 0x0e, 0, 0},
391 {0x3a0a, 0x00, 0, 0}, {0x3a0b, 0xf6, 0, 0}, {0x3a0e, 0x03, 0, 0},
392 {0x3a0d, 0x04, 0, 0}, {0x3a14, 0x03, 0, 0}, {0x3a15, 0xd8, 0, 0},
393 {0x4001, 0x02, 0, 0}, {0x4004, 0x02, 0, 0}, {0x4713, 0x03, 0, 0},
394 {0x4407, 0x04, 0, 0}, {0x460b, 0x35, 0, 0}, {0x460c, 0x22, 0, 0},
395 {0x3824, 0x02, 0, 0}, {0x5001, 0xa3, 0, 0}, {0x3503, 0x00, 0, 0},
396 {0x3808, 0x04, 0, 0}, {0x3809, 0x00, 0, 0}, {0x380a, 0x03, 0, 0},
397 {0x380b, 0x00, 0, 0}, {0x3035, 0x12, 0, 0},
398 };
399
400 static const struct reg_value ov5640_setting_15fps_XGA_1024_768[] = {
401 {0x3035, 0x22, 0, 0}, {0x3036, 0x38, 0, 0}, {0x3c07, 0x08, 0, 0},
402 {0x3c09, 0x1c, 0, 0}, {0x3c0a, 0x9c, 0, 0}, {0x3c0b, 0x40, 0, 0},
403 {0x3820, 0x41, 0, 0}, {0x3821, 0x07, 0, 0}, {0x3814, 0x31, 0, 0},
404 {0x3815, 0x31, 0, 0}, {0x3800, 0x00, 0, 0}, {0x3801, 0x00, 0, 0},
405 {0x3802, 0x00, 0, 0}, {0x3803, 0x04, 0, 0}, {0x3804, 0x0a, 0, 0},
406 {0x3805, 0x3f, 0, 0}, {0x3806, 0x07, 0, 0}, {0x3807, 0x9b, 0, 0},
407 {0x3808, 0x02, 0, 0}, {0x3809, 0x80, 0, 0}, {0x380a, 0x01, 0, 0},
408 {0x380b, 0xe0, 0, 0}, {0x380c, 0x07, 0, 0}, {0x380d, 0x68, 0, 0},
409 {0x380e, 0x03, 0, 0}, {0x380f, 0xd8, 0, 0}, {0x3810, 0x00, 0, 0},
410 {0x3811, 0x10, 0, 0}, {0x3812, 0x00, 0, 0}, {0x3813, 0x06, 0, 0},
411 {0x3618, 0x00, 0, 0}, {0x3612, 0x29, 0, 0}, {0x3708, 0x64, 0, 0},
412 {0x3709, 0x52, 0, 0}, {0x370c, 0x03, 0, 0}, {0x3a02, 0x03, 0, 0},
413 {0x3a03, 0xd8, 0, 0}, {0x3a08, 0x01, 0, 0}, {0x3a09, 0x27, 0, 0},
414 {0x3a0a, 0x00, 0, 0}, {0x3a0b, 0xf6, 0, 0}, {0x3a0e, 0x03, 0, 0},
415 {0x3a0d, 0x04, 0, 0}, {0x3a14, 0x03, 0, 0}, {0x3a15, 0xd8, 0, 0},
416 {0x4001, 0x02, 0, 0}, {0x4004, 0x02, 0, 0}, {0x4713, 0x03, 0, 0},
417 {0x4407, 0x04, 0, 0}, {0x460b, 0x35, 0, 0}, {0x460c, 0x22, 0, 0},
418 {0x3824, 0x02, 0, 0}, {0x5001, 0xa3, 0, 0}, {0x3808, 0x04, 0, 0},
419 {0x3809, 0x00, 0, 0}, {0x380a, 0x03, 0, 0}, {0x380b, 0x00, 0, 0},
420 };
421
422 static const struct reg_value ov5640_setting_30fps_QVGA_320_240[] = {
423 {0x3035, 0x14, 0, 0}, {0x3036, 0x38, 0, 0}, {0x3c07, 0x08, 0, 0},
424 {0x3c09, 0x1c, 0, 0}, {0x3c0a, 0x9c, 0, 0}, {0x3c0b, 0x40, 0, 0},
425 {0x3820, 0x41, 0, 0}, {0x3821, 0x07, 0, 0}, {0x3814, 0x31, 0, 0},
426 {0x3815, 0x31, 0, 0}, {0x3800, 0x00, 0, 0}, {0x3801, 0x00, 0, 0},
427 {0x3802, 0x00, 0, 0}, {0x3803, 0x04, 0, 0}, {0x3804, 0x0a, 0, 0},
428 {0x3805, 0x3f, 0, 0}, {0x3806, 0x07, 0, 0}, {0x3807, 0x9b, 0, 0},
429 {0x3808, 0x01, 0, 0}, {0x3809, 0x40, 0, 0}, {0x380a, 0x00, 0, 0},
430 {0x380b, 0xf0, 0, 0}, {0x380c, 0x07, 0, 0}, {0x380d, 0x68, 0, 0},
431 {0x380e, 0x03, 0, 0}, {0x380f, 0xd8, 0, 0}, {0x3810, 0x00, 0, 0},
432 {0x3811, 0x10, 0, 0}, {0x3812, 0x00, 0, 0}, {0x3813, 0x06, 0, 0},
433 {0x3618, 0x00, 0, 0}, {0x3612, 0x29, 0, 0}, {0x3708, 0x64, 0, 0},
434 {0x3709, 0x52, 0, 0}, {0x370c, 0x03, 0, 0}, {0x3a02, 0x03, 0, 0},
435 {0x3a03, 0xd8, 0, 0}, {0x3a08, 0x01, 0, 0}, {0x3a09, 0x27, 0, 0},
436 {0x3a0a, 0x00, 0, 0}, {0x3a0b, 0xf6, 0, 0}, {0x3a0e, 0x03, 0, 0},
437 {0x3a0d, 0x04, 0, 0}, {0x3a14, 0x03, 0, 0}, {0x3a15, 0xd8, 0, 0},
438 {0x4001, 0x02, 0, 0}, {0x4004, 0x02, 0, 0}, {0x4713, 0x03, 0, 0},
439 {0x4407, 0x04, 0, 0}, {0x460b, 0x35, 0, 0}, {0x460c, 0x22, 0, 0},
440 {0x3824, 0x02, 0, 0}, {0x5001, 0xa3, 0, 0},
441 };
442
443 static const struct reg_value ov5640_setting_15fps_QVGA_320_240[] = {
444 {0x3035, 0x22, 0, 0}, {0x3036, 0x38, 0, 0}, {0x3c07, 0x08, 0, 0},
445 {0x3c09, 0x1c, 0, 0}, {0x3c0a, 0x9c, 0, 0}, {0x3c0b, 0x40, 0, 0},
446 {0x3820, 0x41, 0, 0}, {0x3821, 0x07, 0, 0}, {0x3814, 0x31, 0, 0},
447 {0x3815, 0x31, 0, 0}, {0x3800, 0x00, 0, 0}, {0x3801, 0x00, 0, 0},
448 {0x3802, 0x00, 0, 0}, {0x3803, 0x04, 0, 0}, {0x3804, 0x0a, 0, 0},
449 {0x3805, 0x3f, 0, 0}, {0x3806, 0x07, 0, 0}, {0x3807, 0x9b, 0, 0},
450 {0x3808, 0x01, 0, 0}, {0x3809, 0x40, 0, 0}, {0x380a, 0x00, 0, 0},
451 {0x380b, 0xf0, 0, 0}, {0x380c, 0x07, 0, 0}, {0x380d, 0x68, 0, 0},
452 {0x380e, 0x03, 0, 0}, {0x380f, 0xd8, 0, 0}, {0x3810, 0x00, 0, 0},
453 {0x3811, 0x10, 0, 0}, {0x3812, 0x00, 0, 0}, {0x3813, 0x06, 0, 0},
454 {0x3618, 0x00, 0, 0}, {0x3612, 0x29, 0, 0}, {0x3708, 0x64, 0, 0},
455 {0x3709, 0x52, 0, 0}, {0x370c, 0x03, 0, 0}, {0x3a02, 0x03, 0, 0},
456 {0x3a03, 0xd8, 0, 0}, {0x3a08, 0x01, 0, 0}, {0x3a09, 0x27, 0, 0},
457 {0x3a0a, 0x00, 0, 0}, {0x3a0b, 0xf6, 0, 0}, {0x3a0e, 0x03, 0, 0},
458 {0x3a0d, 0x04, 0, 0}, {0x3a14, 0x03, 0, 0}, {0x3a15, 0xd8, 0, 0},
459 {0x4001, 0x02, 0, 0}, {0x4004, 0x02, 0, 0}, {0x4713, 0x03, 0, 0},
460 {0x4407, 0x04, 0, 0}, {0x460b, 0x35, 0, 0}, {0x460c, 0x22, 0, 0},
461 {0x3824, 0x02, 0, 0}, {0x5001, 0xa3, 0, 0},
462 };
463
464 static const struct reg_value ov5640_setting_30fps_QCIF_176_144[] = {
465 {0x3035, 0x14, 0, 0}, {0x3036, 0x38, 0, 0}, {0x3c07, 0x08, 0, 0},
466 {0x3c09, 0x1c, 0, 0}, {0x3c0a, 0x9c, 0, 0}, {0x3c0b, 0x40, 0, 0},
467 {0x3820, 0x41, 0, 0}, {0x3821, 0x07, 0, 0}, {0x3814, 0x31, 0, 0},
468 {0x3815, 0x31, 0, 0}, {0x3800, 0x00, 0, 0}, {0x3801, 0x00, 0, 0},
469 {0x3802, 0x00, 0, 0}, {0x3803, 0x04, 0, 0}, {0x3804, 0x0a, 0, 0},
470 {0x3805, 0x3f, 0, 0}, {0x3806, 0x07, 0, 0}, {0x3807, 0x9b, 0, 0},
471 {0x3808, 0x00, 0, 0}, {0x3809, 0xb0, 0, 0}, {0x380a, 0x00, 0, 0},
472 {0x380b, 0x90, 0, 0}, {0x380c, 0x07, 0, 0}, {0x380d, 0x68, 0, 0},
473 {0x380e, 0x03, 0, 0}, {0x380f, 0xd8, 0, 0}, {0x3810, 0x00, 0, 0},
474 {0x3811, 0x10, 0, 0}, {0x3812, 0x00, 0, 0}, {0x3813, 0x06, 0, 0},
475 {0x3618, 0x00, 0, 0}, {0x3612, 0x29, 0, 0}, {0x3708, 0x64, 0, 0},
476 {0x3709, 0x52, 0, 0}, {0x370c, 0x03, 0, 0}, {0x3a02, 0x03, 0, 0},
477 {0x3a03, 0xd8, 0, 0}, {0x3a08, 0x01, 0, 0}, {0x3a09, 0x27, 0, 0},
478 {0x3a0a, 0x00, 0, 0}, {0x3a0b, 0xf6, 0, 0}, {0x3a0e, 0x03, 0, 0},
479 {0x3a0d, 0x04, 0, 0}, {0x3a14, 0x03, 0, 0}, {0x3a15, 0xd8, 0, 0},
480 {0x4001, 0x02, 0, 0}, {0x4004, 0x02, 0, 0}, {0x4713, 0x03, 0, 0},
481 {0x4407, 0x04, 0, 0}, {0x460b, 0x35, 0, 0}, {0x460c, 0x22, 0, 0},
482 {0x3824, 0x02, 0, 0}, {0x5001, 0xa3, 0, 0},
483 };
484 static const struct reg_value ov5640_setting_15fps_QCIF_176_144[] = {
485 {0x3035, 0x22, 0, 0}, {0x3036, 0x38, 0, 0}, {0x3c07, 0x08, 0, 0},
486 {0x3c09, 0x1c, 0, 0}, {0x3c0a, 0x9c, 0, 0}, {0x3c0b, 0x40, 0, 0},
487 {0x3820, 0x41, 0, 0}, {0x3821, 0x07, 0, 0}, {0x3814, 0x31, 0, 0},
488 {0x3815, 0x31, 0, 0}, {0x3800, 0x00, 0, 0}, {0x3801, 0x00, 0, 0},
489 {0x3802, 0x00, 0, 0}, {0x3803, 0x04, 0, 0}, {0x3804, 0x0a, 0, 0},
490 {0x3805, 0x3f, 0, 0}, {0x3806, 0x07, 0, 0}, {0x3807, 0x9b, 0, 0},
491 {0x3808, 0x00, 0, 0}, {0x3809, 0xb0, 0, 0}, {0x380a, 0x00, 0, 0},
492 {0x380b, 0x90, 0, 0}, {0x380c, 0x07, 0, 0}, {0x380d, 0x68, 0, 0},
493 {0x380e, 0x03, 0, 0}, {0x380f, 0xd8, 0, 0}, {0x3810, 0x00, 0, 0},
494 {0x3811, 0x10, 0, 0}, {0x3812, 0x00, 0, 0}, {0x3813, 0x06, 0, 0},
495 {0x3618, 0x00, 0, 0}, {0x3612, 0x29, 0, 0}, {0x3708, 0x64, 0, 0},
496 {0x3709, 0x52, 0, 0}, {0x370c, 0x03, 0, 0}, {0x3a02, 0x03, 0, 0},
497 {0x3a03, 0xd8, 0, 0}, {0x3a08, 0x01, 0, 0}, {0x3a09, 0x27, 0, 0},
498 {0x3a0a, 0x00, 0, 0}, {0x3a0b, 0xf6, 0, 0}, {0x3a0e, 0x03, 0, 0},
499 {0x3a0d, 0x04, 0, 0}, {0x3a14, 0x03, 0, 0}, {0x3a15, 0xd8, 0, 0},
500 {0x4001, 0x02, 0, 0}, {0x4004, 0x02, 0, 0}, {0x4713, 0x03, 0, 0},
501 {0x4407, 0x04, 0, 0}, {0x460b, 0x35, 0, 0}, {0x460c, 0x22, 0, 0},
502 {0x3824, 0x02, 0, 0}, {0x5001, 0xa3, 0, 0},
503 };
504
505 static const struct reg_value ov5640_setting_30fps_NTSC_720_480[] = {
506 {0x3035, 0x12, 0, 0}, {0x3036, 0x38, 0, 0}, {0x3c07, 0x08, 0, 0},
507 {0x3c09, 0x1c, 0, 0}, {0x3c0a, 0x9c, 0, 0}, {0x3c0b, 0x40, 0, 0},
508 {0x3820, 0x41, 0, 0}, {0x3821, 0x07, 0, 0}, {0x3814, 0x31, 0, 0},
509 {0x3815, 0x31, 0, 0}, {0x3800, 0x00, 0, 0}, {0x3801, 0x00, 0, 0},
510 {0x3802, 0x00, 0, 0}, {0x3803, 0x04, 0, 0}, {0x3804, 0x0a, 0, 0},
511 {0x3805, 0x3f, 0, 0}, {0x3806, 0x07, 0, 0}, {0x3807, 0x9b, 0, 0},
512 {0x3808, 0x02, 0, 0}, {0x3809, 0xd0, 0, 0}, {0x380a, 0x01, 0, 0},
513 {0x380b, 0xe0, 0, 0}, {0x380c, 0x07, 0, 0}, {0x380d, 0x68, 0, 0},
514 {0x380e, 0x03, 0, 0}, {0x380f, 0xd8, 0, 0}, {0x3810, 0x00, 0, 0},
515 {0x3811, 0x10, 0, 0}, {0x3812, 0x00, 0, 0}, {0x3813, 0x3c, 0, 0},
516 {0x3618, 0x00, 0, 0}, {0x3612, 0x29, 0, 0}, {0x3708, 0x64, 0, 0},
517 {0x3709, 0x52, 0, 0}, {0x370c, 0x03, 0, 0}, {0x3a02, 0x03, 0, 0},
518 {0x3a03, 0xd8, 0, 0}, {0x3a08, 0x01, 0, 0}, {0x3a09, 0x27, 0, 0},
519 {0x3a0a, 0x00, 0, 0}, {0x3a0b, 0xf6, 0, 0}, {0x3a0e, 0x03, 0, 0},
520 {0x3a0d, 0x04, 0, 0}, {0x3a14, 0x03, 0, 0}, {0x3a15, 0xd8, 0, 0},
521 {0x4001, 0x02, 0, 0}, {0x4004, 0x02, 0, 0}, {0x4713, 0x03, 0, 0},
522 {0x4407, 0x04, 0, 0}, {0x460b, 0x35, 0, 0}, {0x460c, 0x22, 0, 0},
523 {0x3824, 0x02, 0, 0}, {0x5001, 0xa3, 0, 0},
524 };
525
526 static const struct reg_value ov5640_setting_15fps_NTSC_720_480[] = {
527 {0x3035, 0x22, 0, 0}, {0x3036, 0x38, 0, 0}, {0x3c07, 0x08, 0, 0},
528 {0x3c09, 0x1c, 0, 0}, {0x3c0a, 0x9c, 0, 0}, {0x3c0b, 0x40, 0, 0},
529 {0x3820, 0x41, 0, 0}, {0x3821, 0x07, 0, 0}, {0x3814, 0x31, 0, 0},
530 {0x3815, 0x31, 0, 0}, {0x3800, 0x00, 0, 0}, {0x3801, 0x00, 0, 0},
531 {0x3802, 0x00, 0, 0}, {0x3803, 0x04, 0, 0}, {0x3804, 0x0a, 0, 0},
532 {0x3805, 0x3f, 0, 0}, {0x3806, 0x07, 0, 0}, {0x3807, 0x9b, 0, 0},
533 {0x3808, 0x02, 0, 0}, {0x3809, 0xd0, 0, 0}, {0x380a, 0x01, 0, 0},
534 {0x380b, 0xe0, 0, 0}, {0x380c, 0x07, 0, 0}, {0x380d, 0x68, 0, 0},
535 {0x380e, 0x03, 0, 0}, {0x380f, 0xd8, 0, 0}, {0x3810, 0x00, 0, 0},
536 {0x3811, 0x10, 0, 0}, {0x3812, 0x00, 0, 0}, {0x3813, 0x3c, 0, 0},
537 {0x3618, 0x00, 0, 0}, {0x3612, 0x29, 0, 0}, {0x3708, 0x64, 0, 0},
538 {0x3709, 0x52, 0, 0}, {0x370c, 0x03, 0, 0}, {0x3a02, 0x03, 0, 0},
539 {0x3a03, 0xd8, 0, 0}, {0x3a08, 0x01, 0, 0}, {0x3a09, 0x27, 0, 0},
540 {0x3a0a, 0x00, 0, 0}, {0x3a0b, 0xf6, 0, 0}, {0x3a0e, 0x03, 0, 0},
541 {0x3a0d, 0x04, 0, 0}, {0x3a14, 0x03, 0, 0}, {0x3a15, 0xd8, 0, 0},
542 {0x4001, 0x02, 0, 0}, {0x4004, 0x02, 0, 0}, {0x4713, 0x03, 0, 0},
543 {0x4407, 0x04, 0, 0}, {0x460b, 0x35, 0, 0}, {0x460c, 0x22, 0, 0},
544 {0x3824, 0x02, 0, 0}, {0x5001, 0xa3, 0, 0},
545 };
546
547 static const struct reg_value ov5640_setting_30fps_PAL_720_576[] = {
548 {0x3035, 0x12, 0, 0}, {0x3036, 0x38, 0, 0}, {0x3c07, 0x08, 0, 0},
549 {0x3c09, 0x1c, 0, 0}, {0x3c0a, 0x9c, 0, 0}, {0x3c0b, 0x40, 0, 0},
550 {0x3820, 0x41, 0, 0}, {0x3821, 0x07, 0, 0}, {0x3814, 0x31, 0, 0},
551 {0x3815, 0x31, 0, 0}, {0x3800, 0x00, 0, 0}, {0x3801, 0x00, 0, 0},
552 {0x3802, 0x00, 0, 0}, {0x3803, 0x04, 0, 0}, {0x3804, 0x0a, 0, 0},
553 {0x3805, 0x3f, 0, 0}, {0x3806, 0x07, 0, 0}, {0x3807, 0x9b, 0, 0},
554 {0x3808, 0x02, 0, 0}, {0x3809, 0xd0, 0, 0}, {0x380a, 0x02, 0, 0},
555 {0x380b, 0x40, 0, 0}, {0x380c, 0x07, 0, 0}, {0x380d, 0x68, 0, 0},
556 {0x380e, 0x03, 0, 0}, {0x380f, 0xd8, 0, 0}, {0x3810, 0x00, 0, 0},
557 {0x3811, 0x38, 0, 0}, {0x3812, 0x00, 0, 0}, {0x3813, 0x06, 0, 0},
558 {0x3618, 0x00, 0, 0}, {0x3612, 0x29, 0, 0}, {0x3708, 0x64, 0, 0},
559 {0x3709, 0x52, 0, 0}, {0x370c, 0x03, 0, 0}, {0x3a02, 0x03, 0, 0},
560 {0x3a03, 0xd8, 0, 0}, {0x3a08, 0x01, 0, 0}, {0x3a09, 0x27, 0, 0},
561 {0x3a0a, 0x00, 0, 0}, {0x3a0b, 0xf6, 0, 0}, {0x3a0e, 0x03, 0, 0},
562 {0x3a0d, 0x04, 0, 0}, {0x3a14, 0x03, 0, 0}, {0x3a15, 0xd8, 0, 0},
563 {0x4001, 0x02, 0, 0}, {0x4004, 0x02, 0, 0}, {0x4713, 0x03, 0, 0},
564 {0x4407, 0x04, 0, 0}, {0x460b, 0x35, 0, 0}, {0x460c, 0x22, 0, 0},
565 {0x3824, 0x02, 0, 0}, {0x5001, 0xa3, 0, 0},
566 };
567
568 static const struct reg_value ov5640_setting_15fps_PAL_720_576[] = {
569 {0x3035, 0x22, 0, 0}, {0x3036, 0x38, 0, 0}, {0x3c07, 0x08, 0, 0},
570 {0x3c09, 0x1c, 0, 0}, {0x3c0a, 0x9c, 0, 0}, {0x3c0b, 0x40, 0, 0},
571 {0x3820, 0x41, 0, 0}, {0x3821, 0x07, 0, 0}, {0x3814, 0x31, 0, 0},
572 {0x3815, 0x31, 0, 0}, {0x3800, 0x00, 0, 0}, {0x3801, 0x00, 0, 0},
573 {0x3802, 0x00, 0, 0}, {0x3803, 0x04, 0, 0}, {0x3804, 0x0a, 0, 0},
574 {0x3805, 0x3f, 0, 0}, {0x3806, 0x07, 0, 0}, {0x3807, 0x9b, 0, 0},
575 {0x3808, 0x02, 0, 0}, {0x3809, 0xd0, 0, 0}, {0x380a, 0x02, 0, 0},
576 {0x380b, 0x40, 0, 0}, {0x380c, 0x07, 0, 0}, {0x380d, 0x68, 0, 0},
577 {0x380e, 0x03, 0, 0}, {0x380f, 0xd8, 0, 0}, {0x3810, 0x00, 0, 0},
578 {0x3811, 0x38, 0, 0}, {0x3812, 0x00, 0, 0}, {0x3813, 0x06, 0, 0},
579 {0x3618, 0x00, 0, 0}, {0x3612, 0x29, 0, 0}, {0x3708, 0x64, 0, 0},
580 {0x3709, 0x52, 0, 0}, {0x370c, 0x03, 0, 0}, {0x3a02, 0x03, 0, 0},
581 {0x3a03, 0xd8, 0, 0}, {0x3a08, 0x01, 0, 0}, {0x3a09, 0x27, 0, 0},
582 {0x3a0a, 0x00, 0, 0}, {0x3a0b, 0xf6, 0, 0}, {0x3a0e, 0x03, 0, 0},
583 {0x3a0d, 0x04, 0, 0}, {0x3a14, 0x03, 0, 0}, {0x3a15, 0xd8, 0, 0},
584 {0x4001, 0x02, 0, 0}, {0x4004, 0x02, 0, 0}, {0x4713, 0x03, 0, 0},
585 {0x4407, 0x04, 0, 0}, {0x460b, 0x35, 0, 0}, {0x460c, 0x22, 0, 0},
586 {0x3824, 0x02, 0, 0}, {0x5001, 0xa3, 0, 0},
587 };
588
589 static const struct reg_value ov5640_setting_30fps_720P_1280_720[] = {
590 {0x3008, 0x42, 0, 0},
591 {0x3035, 0x21, 0, 0}, {0x3036, 0x54, 0, 0}, {0x3c07, 0x07, 0, 0},
592 {0x3c09, 0x1c, 0, 0}, {0x3c0a, 0x9c, 0, 0}, {0x3c0b, 0x40, 0, 0},
593 {0x3820, 0x41, 0, 0}, {0x3821, 0x07, 0, 0}, {0x3814, 0x31, 0, 0},
594 {0x3815, 0x31, 0, 0}, {0x3800, 0x00, 0, 0}, {0x3801, 0x00, 0, 0},
595 {0x3802, 0x00, 0, 0}, {0x3803, 0xfa, 0, 0}, {0x3804, 0x0a, 0, 0},
596 {0x3805, 0x3f, 0, 0}, {0x3806, 0x06, 0, 0}, {0x3807, 0xa9, 0, 0},
597 {0x3808, 0x05, 0, 0}, {0x3809, 0x00, 0, 0}, {0x380a, 0x02, 0, 0},
598 {0x380b, 0xd0, 0, 0}, {0x380c, 0x07, 0, 0}, {0x380d, 0x64, 0, 0},
599 {0x380e, 0x02, 0, 0}, {0x380f, 0xe4, 0, 0}, {0x3810, 0x00, 0, 0},
600 {0x3811, 0x10, 0, 0}, {0x3812, 0x00, 0, 0}, {0x3813, 0x04, 0, 0},
601 {0x3618, 0x00, 0, 0}, {0x3612, 0x29, 0, 0}, {0x3708, 0x64, 0, 0},
602 {0x3709, 0x52, 0, 0}, {0x370c, 0x03, 0, 0}, {0x3a02, 0x02, 0, 0},
603 {0x3a03, 0xe4, 0, 0}, {0x3a08, 0x01, 0, 0}, {0x3a09, 0xbc, 0, 0},
604 {0x3a0a, 0x01, 0, 0}, {0x3a0b, 0x72, 0, 0}, {0x3a0e, 0x01, 0, 0},
605 {0x3a0d, 0x02, 0, 0}, {0x3a14, 0x02, 0, 0}, {0x3a15, 0xe4, 0, 0},
606 {0x4001, 0x02, 0, 0}, {0x4004, 0x02, 0, 0}, {0x4713, 0x02, 0, 0},
607 {0x4407, 0x04, 0, 0}, {0x460b, 0x37, 0, 0}, {0x460c, 0x20, 0, 0},
608 {0x3824, 0x04, 0, 0}, {0x5001, 0x83, 0, 0}, {0x4005, 0x1a, 0, 0},
609 {0x3008, 0x02, 0, 0}, {0x3503, 0, 0, 0},
610 };
611
612 static const struct reg_value ov5640_setting_15fps_720P_1280_720[] = {
613 {0x3035, 0x41, 0, 0}, {0x3036, 0x54, 0, 0}, {0x3c07, 0x07, 0, 0},
614 {0x3c09, 0x1c, 0, 0}, {0x3c0a, 0x9c, 0, 0}, {0x3c0b, 0x40, 0, 0},
615 {0x3820, 0x41, 0, 0}, {0x3821, 0x07, 0, 0}, {0x3814, 0x31, 0, 0},
616 {0x3815, 0x31, 0, 0}, {0x3800, 0x00, 0, 0}, {0x3801, 0x00, 0, 0},
617 {0x3802, 0x00, 0, 0}, {0x3803, 0xfa, 0, 0}, {0x3804, 0x0a, 0, 0},
618 {0x3805, 0x3f, 0, 0}, {0x3806, 0x06, 0, 0}, {0x3807, 0xa9, 0, 0},
619 {0x3808, 0x05, 0, 0}, {0x3809, 0x00, 0, 0}, {0x380a, 0x02, 0, 0},
620 {0x380b, 0xd0, 0, 0}, {0x380c, 0x07, 0, 0}, {0x380d, 0x64, 0, 0},
621 {0x380e, 0x02, 0, 0}, {0x380f, 0xe4, 0, 0}, {0x3810, 0x00, 0, 0},
622 {0x3811, 0x10, 0, 0}, {0x3812, 0x00, 0, 0}, {0x3813, 0x04, 0, 0},
623 {0x3618, 0x00, 0, 0}, {0x3612, 0x29, 0, 0}, {0x3708, 0x64, 0, 0},
624 {0x3709, 0x52, 0, 0}, {0x370c, 0x03, 0, 0}, {0x3a02, 0x02, 0, 0},
625 {0x3a03, 0xe4, 0, 0}, {0x3a08, 0x01, 0, 0}, {0x3a09, 0xbc, 0, 0},
626 {0x3a0a, 0x01, 0, 0}, {0x3a0b, 0x72, 0, 0}, {0x3a0e, 0x01, 0, 0},
627 {0x3a0d, 0x02, 0, 0}, {0x3a14, 0x02, 0, 0}, {0x3a15, 0xe4, 0, 0},
628 {0x4001, 0x02, 0, 0}, {0x4004, 0x02, 0, 0}, {0x4713, 0x02, 0, 0},
629 {0x4407, 0x04, 0, 0}, {0x460b, 0x37, 0, 0}, {0x460c, 0x20, 0, 0},
630 {0x3824, 0x04, 0, 0}, {0x5001, 0x83, 0, 0},
631 };
632
633 static const struct reg_value ov5640_setting_30fps_1080P_1920_1080[] = {
634 {0x3008, 0x42, 0, 0},
635 {0x3035, 0x21, 0, 0}, {0x3036, 0x54, 0, 0}, {0x3c07, 0x08, 0, 0},
636 {0x3c09, 0x1c, 0, 0}, {0x3c0a, 0x9c, 0, 0}, {0x3c0b, 0x40, 0, 0},
637 {0x3820, 0x40, 0, 0}, {0x3821, 0x06, 0, 0}, {0x3814, 0x11, 0, 0},
638 {0x3815, 0x11, 0, 0}, {0x3800, 0x00, 0, 0}, {0x3801, 0x00, 0, 0},
639 {0x3802, 0x00, 0, 0}, {0x3803, 0x00, 0, 0}, {0x3804, 0x0a, 0, 0},
640 {0x3805, 0x3f, 0, 0}, {0x3806, 0x07, 0, 0}, {0x3807, 0x9f, 0, 0},
641 {0x3808, 0x0a, 0, 0}, {0x3809, 0x20, 0, 0}, {0x380a, 0x07, 0, 0},
642 {0x380b, 0x98, 0, 0}, {0x380c, 0x0b, 0, 0}, {0x380d, 0x1c, 0, 0},
643 {0x380e, 0x07, 0, 0}, {0x380f, 0xb0, 0, 0}, {0x3810, 0x00, 0, 0},
644 {0x3811, 0x10, 0, 0}, {0x3812, 0x00, 0, 0}, {0x3813, 0x04, 0, 0},
645 {0x3618, 0x04, 0, 0}, {0x3612, 0x29, 0, 0}, {0x3708, 0x21, 0, 0},
646 {0x3709, 0x12, 0, 0}, {0x370c, 0x00, 0, 0}, {0x3a02, 0x03, 0, 0},
647 {0x3a03, 0xd8, 0, 0}, {0x3a08, 0x01, 0, 0}, {0x3a09, 0x27, 0, 0},
648 {0x3a0a, 0x00, 0, 0}, {0x3a0b, 0xf6, 0, 0}, {0x3a0e, 0x03, 0, 0},
649 {0x3a0d, 0x04, 0, 0}, {0x3a14, 0x03, 0, 0}, {0x3a15, 0xd8, 0, 0},
650 {0x4001, 0x02, 0, 0}, {0x4004, 0x06, 0, 0}, {0x4713, 0x03, 0, 0},
651 {0x4407, 0x04, 0, 0}, {0x460b, 0x35, 0, 0}, {0x460c, 0x22, 0, 0},
652 {0x3824, 0x02, 0, 0}, {0x5001, 0x83, 0, 0}, {0x3035, 0x11, 0, 0},
653 {0x3036, 0x54, 0, 0}, {0x3c07, 0x07, 0, 0}, {0x3c08, 0x00, 0, 0},
654 {0x3c09, 0x1c, 0, 0}, {0x3c0a, 0x9c, 0, 0}, {0x3c0b, 0x40, 0, 0},
655 {0x3800, 0x01, 0, 0}, {0x3801, 0x50, 0, 0}, {0x3802, 0x01, 0, 0},
656 {0x3803, 0xb2, 0, 0}, {0x3804, 0x08, 0, 0}, {0x3805, 0xef, 0, 0},
657 {0x3806, 0x05, 0, 0}, {0x3807, 0xf1, 0, 0}, {0x3808, 0x07, 0, 0},
658 {0x3809, 0x80, 0, 0}, {0x380a, 0x04, 0, 0}, {0x380b, 0x38, 0, 0},
659 {0x380c, 0x09, 0, 0}, {0x380d, 0xc4, 0, 0}, {0x380e, 0x04, 0, 0},
660 {0x380f, 0x60, 0, 0}, {0x3612, 0x2b, 0, 0}, {0x3708, 0x64, 0, 0},
661 {0x3a02, 0x04, 0, 0}, {0x3a03, 0x60, 0, 0}, {0x3a08, 0x01, 0, 0},
662 {0x3a09, 0x50, 0, 0}, {0x3a0a, 0x01, 0, 0}, {0x3a0b, 0x18, 0, 0},
663 {0x3a0e, 0x03, 0, 0}, {0x3a0d, 0x04, 0, 0}, {0x3a14, 0x04, 0, 0},
664 {0x3a15, 0x60, 0, 0}, {0x4713, 0x02, 0, 0}, {0x4407, 0x04, 0, 0},
665 {0x460b, 0x37, 0, 0}, {0x460c, 0x20, 0, 0}, {0x3824, 0x04, 0, 0},
666 {0x4005, 0x1a, 0, 0}, {0x3008, 0x02, 0, 0},
667 {0x3503, 0, 0, 0},
668 };
669
670 static const struct reg_value ov5640_setting_15fps_1080P_1920_1080[] = {
671 {0x3008, 0x42, 0, 0},
672 {0x3035, 0x21, 0, 0}, {0x3036, 0x54, 0, 0}, {0x3c07, 0x08, 0, 0},
673 {0x3c09, 0x1c, 0, 0}, {0x3c0a, 0x9c, 0, 0}, {0x3c0b, 0x40, 0, 0},
674 {0x3820, 0x40, 0, 0}, {0x3821, 0x06, 0, 0}, {0x3814, 0x11, 0, 0},
675 {0x3815, 0x11, 0, 0}, {0x3800, 0x00, 0, 0}, {0x3801, 0x00, 0, 0},
676 {0x3802, 0x00, 0, 0}, {0x3803, 0x00, 0, 0}, {0x3804, 0x0a, 0, 0},
677 {0x3805, 0x3f, 0, 0}, {0x3806, 0x07, 0, 0}, {0x3807, 0x9f, 0, 0},
678 {0x3808, 0x0a, 0, 0}, {0x3809, 0x20, 0, 0}, {0x380a, 0x07, 0, 0},
679 {0x380b, 0x98, 0, 0}, {0x380c, 0x0b, 0, 0}, {0x380d, 0x1c, 0, 0},
680 {0x380e, 0x07, 0, 0}, {0x380f, 0xb0, 0, 0}, {0x3810, 0x00, 0, 0},
681 {0x3811, 0x10, 0, 0}, {0x3812, 0x00, 0, 0}, {0x3813, 0x04, 0, 0},
682 {0x3618, 0x04, 0, 0}, {0x3612, 0x29, 0, 0}, {0x3708, 0x21, 0, 0},
683 {0x3709, 0x12, 0, 0}, {0x370c, 0x00, 0, 0}, {0x3a02, 0x03, 0, 0},
684 {0x3a03, 0xd8, 0, 0}, {0x3a08, 0x01, 0, 0}, {0x3a09, 0x27, 0, 0},
685 {0x3a0a, 0x00, 0, 0}, {0x3a0b, 0xf6, 0, 0}, {0x3a0e, 0x03, 0, 0},
686 {0x3a0d, 0x04, 0, 0}, {0x3a14, 0x03, 0, 0}, {0x3a15, 0xd8, 0, 0},
687 {0x4001, 0x02, 0, 0}, {0x4004, 0x06, 0, 0}, {0x4713, 0x03, 0, 0},
688 {0x4407, 0x04, 0, 0}, {0x460b, 0x35, 0, 0}, {0x460c, 0x22, 0, 0},
689 {0x3824, 0x02, 0, 0}, {0x5001, 0x83, 0, 0}, {0x3035, 0x21, 0, 0},
690 {0x3036, 0x54, 0, 1}, {0x3c07, 0x07, 0, 0}, {0x3c08, 0x00, 0, 0},
691 {0x3c09, 0x1c, 0, 0}, {0x3c0a, 0x9c, 0, 0}, {0x3c0b, 0x40, 0, 0},
692 {0x3800, 0x01, 0, 0}, {0x3801, 0x50, 0, 0}, {0x3802, 0x01, 0, 0},
693 {0x3803, 0xb2, 0, 0}, {0x3804, 0x08, 0, 0}, {0x3805, 0xef, 0, 0},
694 {0x3806, 0x05, 0, 0}, {0x3807, 0xf1, 0, 0}, {0x3808, 0x07, 0, 0},
695 {0x3809, 0x80, 0, 0}, {0x380a, 0x04, 0, 0}, {0x380b, 0x38, 0, 0},
696 {0x380c, 0x09, 0, 0}, {0x380d, 0xc4, 0, 0}, {0x380e, 0x04, 0, 0},
697 {0x380f, 0x60, 0, 0}, {0x3612, 0x2b, 0, 0}, {0x3708, 0x64, 0, 0},
698 {0x3a02, 0x04, 0, 0}, {0x3a03, 0x60, 0, 0}, {0x3a08, 0x01, 0, 0},
699 {0x3a09, 0x50, 0, 0}, {0x3a0a, 0x01, 0, 0}, {0x3a0b, 0x18, 0, 0},
700 {0x3a0e, 0x03, 0, 0}, {0x3a0d, 0x04, 0, 0}, {0x3a14, 0x04, 0, 0},
701 {0x3a15, 0x60, 0, 0}, {0x4713, 0x02, 0, 0}, {0x4407, 0x04, 0, 0},
702 {0x460b, 0x37, 0, 0}, {0x460c, 0x20, 0, 0}, {0x3824, 0x04, 0, 0},
703 {0x4005, 0x1a, 0, 0}, {0x3008, 0x02, 0, 0}, {0x3503, 0, 0, 0},
704 };
705
706 static const struct reg_value ov5640_setting_15fps_QSXGA_2592_1944[] = {
707 {0x3820, 0x40, 0, 0}, {0x3821, 0x06, 0, 0},
708 {0x3035, 0x21, 0, 0}, {0x3036, 0x54, 0, 0}, {0x3c07, 0x08, 0, 0},
709 {0x3c09, 0x1c, 0, 0}, {0x3c0a, 0x9c, 0, 0}, {0x3c0b, 0x40, 0, 0},
710 {0x3820, 0x40, 0, 0}, {0x3821, 0x06, 0, 0}, {0x3814, 0x11, 0, 0},
711 {0x3815, 0x11, 0, 0}, {0x3800, 0x00, 0, 0}, {0x3801, 0x00, 0, 0},
712 {0x3802, 0x00, 0, 0}, {0x3803, 0x00, 0, 0}, {0x3804, 0x0a, 0, 0},
713 {0x3805, 0x3f, 0, 0}, {0x3806, 0x07, 0, 0}, {0x3807, 0x9f, 0, 0},
714 {0x3808, 0x0a, 0, 0}, {0x3809, 0x20, 0, 0}, {0x380a, 0x07, 0, 0},
715 {0x380b, 0x98, 0, 0}, {0x380c, 0x0b, 0, 0}, {0x380d, 0x1c, 0, 0},
716 {0x380e, 0x07, 0, 0}, {0x380f, 0xb0, 0, 0}, {0x3810, 0x00, 0, 0},
717 {0x3811, 0x10, 0, 0}, {0x3812, 0x00, 0, 0}, {0x3813, 0x04, 0, 0},
718 {0x3618, 0x04, 0, 0}, {0x3612, 0x29, 0, 0}, {0x3708, 0x21, 0, 0},
719 {0x3709, 0x12, 0, 0}, {0x370c, 0x00, 0, 0}, {0x3a02, 0x03, 0, 0},
720 {0x3a03, 0xd8, 0, 0}, {0x3a08, 0x01, 0, 0}, {0x3a09, 0x27, 0, 0},
721 {0x3a0a, 0x00, 0, 0}, {0x3a0b, 0xf6, 0, 0}, {0x3a0e, 0x03, 0, 0},
722 {0x3a0d, 0x04, 0, 0}, {0x3a14, 0x03, 0, 0}, {0x3a15, 0xd8, 0, 0},
723 {0x4001, 0x02, 0, 0}, {0x4004, 0x06, 0, 0}, {0x4713, 0x03, 0, 0},
724 {0x4407, 0x04, 0, 0}, {0x460b, 0x35, 0, 0}, {0x460c, 0x22, 0, 0},
725 {0x3824, 0x02, 0, 0}, {0x5001, 0x83, 0, 70},
726 };
727
728 /* power-on sensor init reg table */
729 static const struct ov5640_mode_info ov5640_mode_init_data = {
730 0, SUBSAMPLING, 640, 480, ov5640_init_setting_30fps_VGA,
731 ARRAY_SIZE(ov5640_init_setting_30fps_VGA),
732 };
733
734 static const struct ov5640_mode_info
735 ov5640_mode_data[OV5640_NUM_FRAMERATES][OV5640_NUM_MODES] = {
736 {
737 {OV5640_MODE_QCIF_176_144, SUBSAMPLING, 176, 144,
738 ov5640_setting_15fps_QCIF_176_144,
739 ARRAY_SIZE(ov5640_setting_15fps_QCIF_176_144)},
740 {OV5640_MODE_QVGA_320_240, SUBSAMPLING, 320, 240,
741 ov5640_setting_15fps_QVGA_320_240,
742 ARRAY_SIZE(ov5640_setting_15fps_QVGA_320_240)},
743 {OV5640_MODE_VGA_640_480, SUBSAMPLING, 640, 480,
744 ov5640_setting_15fps_VGA_640_480,
745 ARRAY_SIZE(ov5640_setting_15fps_VGA_640_480)},
746 {OV5640_MODE_NTSC_720_480, SUBSAMPLING, 720, 480,
747 ov5640_setting_15fps_NTSC_720_480,
748 ARRAY_SIZE(ov5640_setting_15fps_NTSC_720_480)},
749 {OV5640_MODE_PAL_720_576, SUBSAMPLING, 720, 576,
750 ov5640_setting_15fps_PAL_720_576,
751 ARRAY_SIZE(ov5640_setting_15fps_PAL_720_576)},
752 {OV5640_MODE_XGA_1024_768, SUBSAMPLING, 1024, 768,
753 ov5640_setting_15fps_XGA_1024_768,
754 ARRAY_SIZE(ov5640_setting_15fps_XGA_1024_768)},
755 {OV5640_MODE_720P_1280_720, SUBSAMPLING, 1280, 720,
756 ov5640_setting_15fps_720P_1280_720,
757 ARRAY_SIZE(ov5640_setting_15fps_720P_1280_720)},
758 {OV5640_MODE_1080P_1920_1080, SCALING, 1920, 1080,
759 ov5640_setting_15fps_1080P_1920_1080,
760 ARRAY_SIZE(ov5640_setting_15fps_1080P_1920_1080)},
761 {OV5640_MODE_QSXGA_2592_1944, SCALING, 2592, 1944,
762 ov5640_setting_15fps_QSXGA_2592_1944,
763 ARRAY_SIZE(ov5640_setting_15fps_QSXGA_2592_1944)},
764 }, {
765 {OV5640_MODE_QCIF_176_144, SUBSAMPLING, 176, 144,
766 ov5640_setting_30fps_QCIF_176_144,
767 ARRAY_SIZE(ov5640_setting_30fps_QCIF_176_144)},
768 {OV5640_MODE_QVGA_320_240, SUBSAMPLING, 320, 240,
769 ov5640_setting_30fps_QVGA_320_240,
770 ARRAY_SIZE(ov5640_setting_30fps_QVGA_320_240)},
771 {OV5640_MODE_VGA_640_480, SUBSAMPLING, 640, 480,
772 ov5640_setting_30fps_VGA_640_480,
773 ARRAY_SIZE(ov5640_setting_30fps_VGA_640_480)},
774 {OV5640_MODE_NTSC_720_480, SUBSAMPLING, 720, 480,
775 ov5640_setting_30fps_NTSC_720_480,
776 ARRAY_SIZE(ov5640_setting_30fps_NTSC_720_480)},
777 {OV5640_MODE_PAL_720_576, SUBSAMPLING, 720, 576,
778 ov5640_setting_30fps_PAL_720_576,
779 ARRAY_SIZE(ov5640_setting_30fps_PAL_720_576)},
780 {OV5640_MODE_XGA_1024_768, SUBSAMPLING, 1024, 768,
781 ov5640_setting_30fps_XGA_1024_768,
782 ARRAY_SIZE(ov5640_setting_30fps_XGA_1024_768)},
783 {OV5640_MODE_720P_1280_720, SUBSAMPLING, 1280, 720,
784 ov5640_setting_30fps_720P_1280_720,
785 ARRAY_SIZE(ov5640_setting_30fps_720P_1280_720)},
786 {OV5640_MODE_1080P_1920_1080, SCALING, 1920, 1080,
787 ov5640_setting_30fps_1080P_1920_1080,
788 ARRAY_SIZE(ov5640_setting_30fps_1080P_1920_1080)},
789 {OV5640_MODE_QSXGA_2592_1944, -1, 0, 0, NULL, 0},
790 },
791 };
792
793 static int ov5640_init_slave_id(struct ov5640_dev *sensor)
794 {
795 struct i2c_client *client = sensor->i2c_client;
796 struct i2c_msg msg;
797 u8 buf[3];
798 int ret;
799
800 if (client->addr == OV5640_DEFAULT_SLAVE_ID)
801 return 0;
802
803 buf[0] = OV5640_REG_SLAVE_ID >> 8;
804 buf[1] = OV5640_REG_SLAVE_ID & 0xff;
805 buf[2] = client->addr << 1;
806
807 msg.addr = OV5640_DEFAULT_SLAVE_ID;
808 msg.flags = 0;
809 msg.buf = buf;
810 msg.len = sizeof(buf);
811
812 ret = i2c_transfer(client->adapter, &msg, 1);
813 if (ret < 0) {
814 dev_err(&client->dev, "%s: failed with %d\n", __func__, ret);
815 return ret;
816 }
817
818 return 0;
819 }
820
821 static int ov5640_write_reg(struct ov5640_dev *sensor, u16 reg, u8 val)
822 {
823 struct i2c_client *client = sensor->i2c_client;
824 struct i2c_msg msg;
825 u8 buf[3];
826 int ret;
827
828 buf[0] = reg >> 8;
829 buf[1] = reg & 0xff;
830 buf[2] = val;
831
832 msg.addr = client->addr;
833 msg.flags = client->flags;
834 msg.buf = buf;
835 msg.len = sizeof(buf);
836
837 ret = i2c_transfer(client->adapter, &msg, 1);
838 if (ret < 0) {
839 v4l2_err(&sensor->sd, "%s: error: reg=%x, val=%x\n",
840 __func__, reg, val);
841 return ret;
842 }
843
844 return 0;
845 }
846
847 static int ov5640_read_reg(struct ov5640_dev *sensor, u16 reg, u8 *val)
848 {
849 struct i2c_client *client = sensor->i2c_client;
850 struct i2c_msg msg[2];
851 u8 buf[2];
852 int ret;
853
854 buf[0] = reg >> 8;
855 buf[1] = reg & 0xff;
856
857 msg[0].addr = client->addr;
858 msg[0].flags = client->flags;
859 msg[0].buf = buf;
860 msg[0].len = sizeof(buf);
861
862 msg[1].addr = client->addr;
863 msg[1].flags = client->flags | I2C_M_RD;
864 msg[1].buf = buf;
865 msg[1].len = 1;
866
867 ret = i2c_transfer(client->adapter, msg, 2);
868 if (ret < 0)
869 return ret;
870
871 *val = buf[0];
872 return 0;
873 }
874
875 static int ov5640_read_reg16(struct ov5640_dev *sensor, u16 reg, u16 *val)
876 {
877 u8 hi, lo;
878 int ret;
879
880 ret = ov5640_read_reg(sensor, reg, &hi);
881 if (ret)
882 return ret;
883 ret = ov5640_read_reg(sensor, reg+1, &lo);
884 if (ret)
885 return ret;
886
887 *val = ((u16)hi << 8) | (u16)lo;
888 return 0;
889 }
890
891 static int ov5640_write_reg16(struct ov5640_dev *sensor, u16 reg, u16 val)
892 {
893 int ret;
894
895 ret = ov5640_write_reg(sensor, reg, val >> 8);
896 if (ret)
897 return ret;
898
899 return ov5640_write_reg(sensor, reg + 1, val & 0xff);
900 }
901
902 static int ov5640_mod_reg(struct ov5640_dev *sensor, u16 reg,
903 u8 mask, u8 val)
904 {
905 u8 readval;
906 int ret;
907
908 ret = ov5640_read_reg(sensor, reg, &readval);
909 if (ret)
910 return ret;
911
912 readval &= ~mask;
913 val &= mask;
914 val |= readval;
915
916 return ov5640_write_reg(sensor, reg, val);
917 }
918
919 /* download ov5640 settings to sensor through i2c */
920 static int ov5640_load_regs(struct ov5640_dev *sensor,
921 const struct ov5640_mode_info *mode)
922 {
923 const struct reg_value *regs = mode->reg_data;
924 unsigned int i;
925 u32 delay_ms;
926 u16 reg_addr;
927 u8 mask, val;
928 int ret = 0;
929
930 for (i = 0; i < mode->reg_data_size; ++i, ++regs) {
931 delay_ms = regs->delay_ms;
932 reg_addr = regs->reg_addr;
933 val = regs->val;
934 mask = regs->mask;
935
936 if (mask)
937 ret = ov5640_mod_reg(sensor, reg_addr, mask, val);
938 else
939 ret = ov5640_write_reg(sensor, reg_addr, val);
940 if (ret)
941 break;
942
943 if (delay_ms)
944 usleep_range(1000*delay_ms, 1000*delay_ms+100);
945 }
946
947 return ret;
948 }
949
950 /* read exposure, in number of line periods */
951 static int ov5640_get_exposure(struct ov5640_dev *sensor)
952 {
953 int exp, ret;
954 u8 temp;
955
956 ret = ov5640_read_reg(sensor, OV5640_REG_AEC_PK_EXPOSURE_HI, &temp);
957 if (ret)
958 return ret;
959 exp = ((int)temp & 0x0f) << 16;
960 ret = ov5640_read_reg(sensor, OV5640_REG_AEC_PK_EXPOSURE_MED, &temp);
961 if (ret)
962 return ret;
963 exp |= ((int)temp << 8);
964 ret = ov5640_read_reg(sensor, OV5640_REG_AEC_PK_EXPOSURE_LO, &temp);
965 if (ret)
966 return ret;
967 exp |= (int)temp;
968
969 return exp >> 4;
970 }
971
972 /* write exposure, given number of line periods */
973 static int ov5640_set_exposure(struct ov5640_dev *sensor, u32 exposure)
974 {
975 int ret;
976
977 exposure <<= 4;
978
979 ret = ov5640_write_reg(sensor,
980 OV5640_REG_AEC_PK_EXPOSURE_LO,
981 exposure & 0xff);
982 if (ret)
983 return ret;
984 ret = ov5640_write_reg(sensor,
985 OV5640_REG_AEC_PK_EXPOSURE_MED,
986 (exposure >> 8) & 0xff);
987 if (ret)
988 return ret;
989 return ov5640_write_reg(sensor,
990 OV5640_REG_AEC_PK_EXPOSURE_HI,
991 (exposure >> 16) & 0x0f);
992 }
993
994 static int ov5640_get_gain(struct ov5640_dev *sensor)
995 {
996 u16 gain;
997 int ret;
998
999 ret = ov5640_read_reg16(sensor, OV5640_REG_AEC_PK_REAL_GAIN, &gain);
1000 if (ret)
1001 return ret;
1002
1003 return gain & 0x3ff;
1004 }
1005
1006 static int ov5640_set_stream_dvp(struct ov5640_dev *sensor, bool on)
1007 {
1008 int ret;
1009 unsigned int flags = sensor->ep.bus.parallel.flags;
1010 u8 pclk_pol = 0;
1011 u8 hsync_pol = 0;
1012 u8 vsync_pol = 0;
1013
1014 /*
1015 * Note about parallel port configuration.
1016 *
1017 * When configured in parallel mode, the OV5640 will
1018 * output 10 bits data on DVP data lines [9:0].
1019 * If only 8 bits data are wanted, the 8 bits data lines
1020 * of the camera interface must be physically connected
1021 * on the DVP data lines [9:2].
1022 *
1023 * Control lines polarity can be configured through
1024 * devicetree endpoint control lines properties.
1025 * If no endpoint control lines properties are set,
1026 * polarity will be as below:
1027 * - VSYNC: active high
1028 * - HREF: active low
1029 * - PCLK: active low
1030 */
1031
1032 if (on) {
1033 /*
1034 * reset MIPI PCLK/SERCLK divider
1035 *
1036 * SC PLL CONTRL1 0
1037 * - [3..0]: MIPI PCLK/SERCLK divider
1038 */
1039 ret = ov5640_mod_reg(sensor, OV5640_REG_SC_PLL_CTRL1, 0x0f, 0);
1040 if (ret)
1041 return ret;
1042
1043 /*
1044 * configure parallel port control lines polarity
1045 *
1046 * POLARITY CTRL0
1047 * - [5]: PCLK polarity (0: active low, 1: active high)
1048 * - [1]: HREF polarity (0: active low, 1: active high)
1049 * - [0]: VSYNC polarity (mismatch here between
1050 * datasheet and hardware, 0 is active high
1051 * and 1 is active low...)
1052 */
1053 if (flags & V4L2_MBUS_PCLK_SAMPLE_RISING)
1054 pclk_pol = 1;
1055 if (flags & V4L2_MBUS_HSYNC_ACTIVE_HIGH)
1056 hsync_pol = 1;
1057 if (flags & V4L2_MBUS_VSYNC_ACTIVE_LOW)
1058 vsync_pol = 1;
1059
1060 ret = ov5640_write_reg(sensor,
1061 OV5640_REG_POLARITY_CTRL00,
1062 (pclk_pol << 5) |
1063 (hsync_pol << 1) |
1064 vsync_pol);
1065
1066 if (ret)
1067 return ret;
1068 }
1069
1070 /*
1071 * powerdown MIPI TX/RX PHY & disable MIPI
1072 *
1073 * MIPI CONTROL 00
1074 * 4: PWDN PHY TX
1075 * 3: PWDN PHY RX
1076 * 2: MIPI enable
1077 */
1078 ret = ov5640_write_reg(sensor,
1079 OV5640_REG_IO_MIPI_CTRL00, on ? 0x18 : 0);
1080 if (ret)
1081 return ret;
1082
1083 /*
1084 * enable VSYNC/HREF/PCLK DVP control lines
1085 * & D[9:6] DVP data lines
1086 *
1087 * PAD OUTPUT ENABLE 01
1088 * - 6: VSYNC output enable
1089 * - 5: HREF output enable
1090 * - 4: PCLK output enable
1091 * - [3:0]: D[9:6] output enable
1092 */
1093 ret = ov5640_write_reg(sensor,
1094 OV5640_REG_PAD_OUTPUT_ENABLE01,
1095 on ? 0x7f : 0);
1096 if (ret)
1097 return ret;
1098
1099 /*
1100 * enable D[5:0] DVP data lines
1101 *
1102 * PAD OUTPUT ENABLE 02
1103 * - [7:2]: D[5:0] output enable
1104 */
1105 return ov5640_write_reg(sensor,
1106 OV5640_REG_PAD_OUTPUT_ENABLE02,
1107 on ? 0xfc : 0);
1108 }
1109
1110 static int ov5640_set_stream_mipi(struct ov5640_dev *sensor, bool on)
1111 {
1112 int ret;
1113
1114 ret = ov5640_mod_reg(sensor, OV5640_REG_MIPI_CTRL00, BIT(5),
1115 on ? 0 : BIT(5));
1116 if (ret)
1117 return ret;
1118 ret = ov5640_write_reg(sensor, OV5640_REG_PAD_OUTPUT00,
1119 on ? 0x00 : 0x70);
1120 if (ret)
1121 return ret;
1122
1123 return ov5640_write_reg(sensor, OV5640_REG_FRAME_CTRL01,
1124 on ? 0x00 : 0x0f);
1125 }
1126
1127 static int ov5640_get_sysclk(struct ov5640_dev *sensor)
1128 {
1129 /* calculate sysclk */
1130 u32 xvclk = sensor->xclk_freq / 10000;
1131 u32 multiplier, prediv, VCO, sysdiv, pll_rdiv;
1132 u32 sclk_rdiv_map[] = {1, 2, 4, 8};
1133 u32 bit_div2x = 1, sclk_rdiv, sysclk;
1134 u8 temp1, temp2;
1135 int ret;
1136
1137 ret = ov5640_read_reg(sensor, OV5640_REG_SC_PLL_CTRL0, &temp1);
1138 if (ret)
1139 return ret;
1140 temp2 = temp1 & 0x0f;
1141 if (temp2 == 8 || temp2 == 10)
1142 bit_div2x = temp2 / 2;
1143
1144 ret = ov5640_read_reg(sensor, OV5640_REG_SC_PLL_CTRL1, &temp1);
1145 if (ret)
1146 return ret;
1147 sysdiv = temp1 >> 4;
1148 if (sysdiv == 0)
1149 sysdiv = 16;
1150
1151 ret = ov5640_read_reg(sensor, OV5640_REG_SC_PLL_CTRL2, &temp1);
1152 if (ret)
1153 return ret;
1154 multiplier = temp1;
1155
1156 ret = ov5640_read_reg(sensor, OV5640_REG_SC_PLL_CTRL3, &temp1);
1157 if (ret)
1158 return ret;
1159 prediv = temp1 & 0x0f;
1160 pll_rdiv = ((temp1 >> 4) & 0x01) + 1;
1161
1162 ret = ov5640_read_reg(sensor, OV5640_REG_SYS_ROOT_DIVIDER, &temp1);
1163 if (ret)
1164 return ret;
1165 temp2 = temp1 & 0x03;
1166 sclk_rdiv = sclk_rdiv_map[temp2];
1167
1168 if (!prediv || !sysdiv || !pll_rdiv || !bit_div2x)
1169 return -EINVAL;
1170
1171 VCO = xvclk * multiplier / prediv;
1172
1173 sysclk = VCO / sysdiv / pll_rdiv * 2 / bit_div2x / sclk_rdiv;
1174
1175 return sysclk;
1176 }
1177
1178 static int ov5640_set_night_mode(struct ov5640_dev *sensor)
1179 {
1180 /* read HTS from register settings */
1181 u8 mode;
1182 int ret;
1183
1184 ret = ov5640_read_reg(sensor, OV5640_REG_AEC_CTRL00, &mode);
1185 if (ret)
1186 return ret;
1187 mode &= 0xfb;
1188 return ov5640_write_reg(sensor, OV5640_REG_AEC_CTRL00, mode);
1189 }
1190
1191 static int ov5640_get_hts(struct ov5640_dev *sensor)
1192 {
1193 /* read HTS from register settings */
1194 u16 hts;
1195 int ret;
1196
1197 ret = ov5640_read_reg16(sensor, OV5640_REG_TIMING_HTS, &hts);
1198 if (ret)
1199 return ret;
1200 return hts;
1201 }
1202
1203 static int ov5640_get_vts(struct ov5640_dev *sensor)
1204 {
1205 u16 vts;
1206 int ret;
1207
1208 ret = ov5640_read_reg16(sensor, OV5640_REG_TIMING_VTS, &vts);
1209 if (ret)
1210 return ret;
1211 return vts;
1212 }
1213
1214 static int ov5640_set_vts(struct ov5640_dev *sensor, int vts)
1215 {
1216 return ov5640_write_reg16(sensor, OV5640_REG_TIMING_VTS, vts);
1217 }
1218
1219 static int ov5640_get_light_freq(struct ov5640_dev *sensor)
1220 {
1221 /* get banding filter value */
1222 int ret, light_freq = 0;
1223 u8 temp, temp1;
1224
1225 ret = ov5640_read_reg(sensor, OV5640_REG_HZ5060_CTRL01, &temp);
1226 if (ret)
1227 return ret;
1228
1229 if (temp & 0x80) {
1230 /* manual */
1231 ret = ov5640_read_reg(sensor, OV5640_REG_HZ5060_CTRL00,
1232 &temp1);
1233 if (ret)
1234 return ret;
1235 if (temp1 & 0x04) {
1236 /* 50Hz */
1237 light_freq = 50;
1238 } else {
1239 /* 60Hz */
1240 light_freq = 60;
1241 }
1242 } else {
1243 /* auto */
1244 ret = ov5640_read_reg(sensor, OV5640_REG_SIGMADELTA_CTRL0C,
1245 &temp1);
1246 if (ret)
1247 return ret;
1248
1249 if (temp1 & 0x01) {
1250 /* 50Hz */
1251 light_freq = 50;
1252 } else {
1253 /* 60Hz */
1254 }
1255 }
1256
1257 return light_freq;
1258 }
1259
1260 static int ov5640_set_bandingfilter(struct ov5640_dev *sensor)
1261 {
1262 u32 band_step60, max_band60, band_step50, max_band50, prev_vts;
1263 int ret;
1264
1265 /* read preview PCLK */
1266 ret = ov5640_get_sysclk(sensor);
1267 if (ret < 0)
1268 return ret;
1269 if (ret == 0)
1270 return -EINVAL;
1271 sensor->prev_sysclk = ret;
1272 /* read preview HTS */
1273 ret = ov5640_get_hts(sensor);
1274 if (ret < 0)
1275 return ret;
1276 if (ret == 0)
1277 return -EINVAL;
1278 sensor->prev_hts = ret;
1279
1280 /* read preview VTS */
1281 ret = ov5640_get_vts(sensor);
1282 if (ret < 0)
1283 return ret;
1284 prev_vts = ret;
1285
1286
1287 /* calculate banding filter */
1288 /* 60Hz */
1289 band_step60 = sensor->prev_sysclk * 100 / sensor->prev_hts * 100 / 120;
1290 ret = ov5640_write_reg16(sensor, OV5640_REG_AEC_B60_STEP, band_step60);
1291 if (ret)
1292 return ret;
1293 if (!band_step60)
1294 return -EINVAL;
1295 max_band60 = (int)((prev_vts - 4) / band_step60);
1296 ret = ov5640_write_reg(sensor, OV5640_REG_AEC_CTRL0D, max_band60);
1297 if (ret)
1298 return ret;
1299
1300 /* 50Hz */
1301 band_step50 = sensor->prev_sysclk * 100 / sensor->prev_hts;
1302 ret = ov5640_write_reg16(sensor, OV5640_REG_AEC_B50_STEP, band_step50);
1303 if (ret)
1304 return ret;
1305 if (!band_step50)
1306 return -EINVAL;
1307 max_band50 = (int)((prev_vts - 4) / band_step50);
1308 return ov5640_write_reg(sensor, OV5640_REG_AEC_CTRL0E, max_band50);
1309 }
1310
1311 static int ov5640_set_ae_target(struct ov5640_dev *sensor, int target)
1312 {
1313 /* stable in high */
1314 u32 fast_high, fast_low;
1315 int ret;
1316
1317 sensor->ae_low = target * 23 / 25; /* 0.92 */
1318 sensor->ae_high = target * 27 / 25; /* 1.08 */
1319
1320 fast_high = sensor->ae_high << 1;
1321 if (fast_high > 255)
1322 fast_high = 255;
1323
1324 fast_low = sensor->ae_low >> 1;
1325
1326 ret = ov5640_write_reg(sensor, OV5640_REG_AEC_CTRL0F, sensor->ae_high);
1327 if (ret)
1328 return ret;
1329 ret = ov5640_write_reg(sensor, OV5640_REG_AEC_CTRL10, sensor->ae_low);
1330 if (ret)
1331 return ret;
1332 ret = ov5640_write_reg(sensor, OV5640_REG_AEC_CTRL1B, sensor->ae_high);
1333 if (ret)
1334 return ret;
1335 ret = ov5640_write_reg(sensor, OV5640_REG_AEC_CTRL1E, sensor->ae_low);
1336 if (ret)
1337 return ret;
1338 ret = ov5640_write_reg(sensor, OV5640_REG_AEC_CTRL11, fast_high);
1339 if (ret)
1340 return ret;
1341 return ov5640_write_reg(sensor, OV5640_REG_AEC_CTRL1F, fast_low);
1342 }
1343
1344 static int ov5640_binning_on(struct ov5640_dev *sensor)
1345 {
1346 u8 temp;
1347 int ret;
1348
1349 ret = ov5640_read_reg(sensor, OV5640_REG_TIMING_TC_REG21, &temp);
1350 if (ret)
1351 return ret;
1352 temp &= 0xfe;
1353 return temp ? 1 : 0;
1354 }
1355
1356 static int ov5640_set_virtual_channel(struct ov5640_dev *sensor)
1357 {
1358 u8 temp, channel = virtual_channel;
1359 int ret;
1360
1361 if (channel > 3)
1362 return -EINVAL;
1363
1364 ret = ov5640_read_reg(sensor, OV5640_REG_DEBUG_MODE, &temp);
1365 if (ret)
1366 return ret;
1367 temp &= ~(3 << 6);
1368 temp |= (channel << 6);
1369 return ov5640_write_reg(sensor, OV5640_REG_DEBUG_MODE, temp);
1370 }
1371
1372 static const struct ov5640_mode_info *
1373 ov5640_find_mode(struct ov5640_dev *sensor, enum ov5640_frame_rate fr,
1374 int width, int height, bool nearest)
1375 {
1376 const struct ov5640_mode_info *mode = NULL;
1377 int i;
1378
1379 for (i = OV5640_NUM_MODES - 1; i >= 0; i--) {
1380 mode = &ov5640_mode_data[fr][i];
1381
1382 if (!mode->reg_data)
1383 continue;
1384
1385 if ((nearest && mode->width <= width &&
1386 mode->height <= height) ||
1387 (!nearest && mode->width == width &&
1388 mode->height == height))
1389 break;
1390 }
1391
1392 if (nearest && i < 0)
1393 mode = &ov5640_mode_data[fr][0];
1394
1395 return mode;
1396 }
1397
1398 /*
1399 * sensor changes between scaling and subsampling, go through
1400 * exposure calculation
1401 */
1402 static int ov5640_set_mode_exposure_calc(
1403 struct ov5640_dev *sensor, const struct ov5640_mode_info *mode)
1404 {
1405 u32 prev_shutter, prev_gain16;
1406 u32 cap_shutter, cap_gain16;
1407 u32 cap_sysclk, cap_hts, cap_vts;
1408 u32 light_freq, cap_bandfilt, cap_maxband;
1409 u32 cap_gain16_shutter;
1410 u8 average;
1411 int ret;
1412
1413 if (mode->reg_data == NULL)
1414 return -EINVAL;
1415
1416 /* read preview shutter */
1417 ret = ov5640_get_exposure(sensor);
1418 if (ret < 0)
1419 return ret;
1420 prev_shutter = ret;
1421 ret = ov5640_binning_on(sensor);
1422 if (ret < 0)
1423 return ret;
1424 if (ret && mode->id != OV5640_MODE_720P_1280_720 &&
1425 mode->id != OV5640_MODE_1080P_1920_1080)
1426 prev_shutter *= 2;
1427
1428 /* read preview gain */
1429 ret = ov5640_get_gain(sensor);
1430 if (ret < 0)
1431 return ret;
1432 prev_gain16 = ret;
1433
1434 /* get average */
1435 ret = ov5640_read_reg(sensor, OV5640_REG_AVG_READOUT, &average);
1436 if (ret)
1437 return ret;
1438
1439 /* turn off night mode for capture */
1440 ret = ov5640_set_night_mode(sensor);
1441 if (ret < 0)
1442 return ret;
1443
1444 /* Write capture setting */
1445 ret = ov5640_load_regs(sensor, mode);
1446 if (ret < 0)
1447 return ret;
1448
1449 /* read capture VTS */
1450 ret = ov5640_get_vts(sensor);
1451 if (ret < 0)
1452 return ret;
1453 cap_vts = ret;
1454 ret = ov5640_get_hts(sensor);
1455 if (ret < 0)
1456 return ret;
1457 if (ret == 0)
1458 return -EINVAL;
1459 cap_hts = ret;
1460
1461 ret = ov5640_get_sysclk(sensor);
1462 if (ret < 0)
1463 return ret;
1464 if (ret == 0)
1465 return -EINVAL;
1466 cap_sysclk = ret;
1467
1468 /* calculate capture banding filter */
1469 ret = ov5640_get_light_freq(sensor);
1470 if (ret < 0)
1471 return ret;
1472 light_freq = ret;
1473
1474 if (light_freq == 60) {
1475 /* 60Hz */
1476 cap_bandfilt = cap_sysclk * 100 / cap_hts * 100 / 120;
1477 } else {
1478 /* 50Hz */
1479 cap_bandfilt = cap_sysclk * 100 / cap_hts;
1480 }
1481
1482 if (!sensor->prev_sysclk) {
1483 ret = ov5640_get_sysclk(sensor);
1484 if (ret < 0)
1485 return ret;
1486 if (ret == 0)
1487 return -EINVAL;
1488 sensor->prev_sysclk = ret;
1489 }
1490
1491 if (!cap_bandfilt)
1492 return -EINVAL;
1493
1494 cap_maxband = (int)((cap_vts - 4) / cap_bandfilt);
1495
1496 /* calculate capture shutter/gain16 */
1497 if (average > sensor->ae_low && average < sensor->ae_high) {
1498 /* in stable range */
1499 cap_gain16_shutter =
1500 prev_gain16 * prev_shutter *
1501 cap_sysclk / sensor->prev_sysclk *
1502 sensor->prev_hts / cap_hts *
1503 sensor->ae_target / average;
1504 } else {
1505 cap_gain16_shutter =
1506 prev_gain16 * prev_shutter *
1507 cap_sysclk / sensor->prev_sysclk *
1508 sensor->prev_hts / cap_hts;
1509 }
1510
1511 /* gain to shutter */
1512 if (cap_gain16_shutter < (cap_bandfilt * 16)) {
1513 /* shutter < 1/100 */
1514 cap_shutter = cap_gain16_shutter / 16;
1515 if (cap_shutter < 1)
1516 cap_shutter = 1;
1517
1518 cap_gain16 = cap_gain16_shutter / cap_shutter;
1519 if (cap_gain16 < 16)
1520 cap_gain16 = 16;
1521 } else {
1522 if (cap_gain16_shutter > (cap_bandfilt * cap_maxband * 16)) {
1523 /* exposure reach max */
1524 cap_shutter = cap_bandfilt * cap_maxband;
1525 if (!cap_shutter)
1526 return -EINVAL;
1527
1528 cap_gain16 = cap_gain16_shutter / cap_shutter;
1529 } else {
1530 /* 1/100 < (cap_shutter = n/100) =< max */
1531 cap_shutter =
1532 ((int)(cap_gain16_shutter / 16 / cap_bandfilt))
1533 * cap_bandfilt;
1534 if (!cap_shutter)
1535 return -EINVAL;
1536
1537 cap_gain16 = cap_gain16_shutter / cap_shutter;
1538 }
1539 }
1540
1541 /* set capture gain */
1542 ret = __v4l2_ctrl_s_ctrl(sensor->ctrls.gain, cap_gain16);
1543 if (ret)
1544 return ret;
1545
1546 /* write capture shutter */
1547 if (cap_shutter > (cap_vts - 4)) {
1548 cap_vts = cap_shutter + 4;
1549 ret = ov5640_set_vts(sensor, cap_vts);
1550 if (ret < 0)
1551 return ret;
1552 }
1553
1554 /* set exposure */
1555 return __v4l2_ctrl_s_ctrl(sensor->ctrls.exposure, cap_shutter);
1556 }
1557
1558 /*
1559 * if sensor changes inside scaling or subsampling
1560 * change mode directly
1561 */
1562 static int ov5640_set_mode_direct(struct ov5640_dev *sensor,
1563 const struct ov5640_mode_info *mode)
1564 {
1565 int ret;
1566
1567 if (mode->reg_data == NULL)
1568 return -EINVAL;
1569
1570 /* Write capture setting */
1571 ret = ov5640_load_regs(sensor, mode);
1572 if (ret < 0)
1573 return ret;
1574
1575 /* turn auto gain/exposure back on for direct mode */
1576 ret = __v4l2_ctrl_s_ctrl(sensor->ctrls.auto_gain, 1);
1577 if (ret)
1578 return ret;
1579 return __v4l2_ctrl_s_ctrl(sensor->ctrls.auto_exp, V4L2_EXPOSURE_AUTO);
1580 }
1581
1582 static int ov5640_set_mode(struct ov5640_dev *sensor,
1583 const struct ov5640_mode_info *orig_mode)
1584 {
1585 const struct ov5640_mode_info *mode = sensor->current_mode;
1586 enum ov5640_downsize_mode dn_mode, orig_dn_mode;
1587 int ret;
1588
1589 dn_mode = mode->dn_mode;
1590 orig_dn_mode = orig_mode->dn_mode;
1591
1592 /* auto gain and exposure must be turned off when changing modes */
1593 ret = __v4l2_ctrl_s_ctrl(sensor->ctrls.auto_gain, 0);
1594 if (ret)
1595 return ret;
1596 ret = __v4l2_ctrl_s_ctrl(sensor->ctrls.auto_exp, V4L2_EXPOSURE_MANUAL);
1597 if (ret)
1598 return ret;
1599
1600 if ((dn_mode == SUBSAMPLING && orig_dn_mode == SCALING) ||
1601 (dn_mode == SCALING && orig_dn_mode == SUBSAMPLING)) {
1602 /*
1603 * change between subsampling and scaling
1604 * go through exposure calucation
1605 */
1606 ret = ov5640_set_mode_exposure_calc(sensor, mode);
1607 } else {
1608 /*
1609 * change inside subsampling or scaling
1610 * download firmware directly
1611 */
1612 ret = ov5640_set_mode_direct(sensor, mode);
1613 }
1614
1615 if (ret < 0)
1616 return ret;
1617
1618 ret = ov5640_set_ae_target(sensor, sensor->ae_target);
1619 if (ret < 0)
1620 return ret;
1621 ret = ov5640_get_light_freq(sensor);
1622 if (ret < 0)
1623 return ret;
1624 ret = ov5640_set_bandingfilter(sensor);
1625 if (ret < 0)
1626 return ret;
1627 ret = ov5640_set_virtual_channel(sensor);
1628 if (ret < 0)
1629 return ret;
1630
1631 sensor->pending_mode_change = false;
1632
1633 return 0;
1634 }
1635
1636 /* restore the last set video mode after chip power-on */
1637 static int ov5640_restore_mode(struct ov5640_dev *sensor)
1638 {
1639 int ret;
1640
1641 /* first load the initial register values */
1642 ret = ov5640_load_regs(sensor, &ov5640_mode_init_data);
1643 if (ret < 0)
1644 return ret;
1645
1646 /* now restore the last capture mode */
1647 return ov5640_set_mode(sensor, &ov5640_mode_init_data);
1648 }
1649
1650 static void ov5640_power(struct ov5640_dev *sensor, bool enable)
1651 {
1652 gpiod_set_value_cansleep(sensor->pwdn_gpio, enable ? 0 : 1);
1653 }
1654
1655 static void ov5640_reset(struct ov5640_dev *sensor)
1656 {
1657 if (!sensor->reset_gpio)
1658 return;
1659
1660 gpiod_set_value_cansleep(sensor->reset_gpio, 0);
1661
1662 /* camera power cycle */
1663 ov5640_power(sensor, false);
1664 usleep_range(5000, 10000);
1665 ov5640_power(sensor, true);
1666 usleep_range(5000, 10000);
1667
1668 gpiod_set_value_cansleep(sensor->reset_gpio, 1);
1669 usleep_range(1000, 2000);
1670
1671 gpiod_set_value_cansleep(sensor->reset_gpio, 0);
1672 usleep_range(5000, 10000);
1673 }
1674
1675 static int ov5640_set_power_on(struct ov5640_dev *sensor)
1676 {
1677 struct i2c_client *client = sensor->i2c_client;
1678 int ret;
1679
1680 ret = clk_prepare_enable(sensor->xclk);
1681 if (ret) {
1682 dev_err(&client->dev, "%s: failed to enable clock\n",
1683 __func__);
1684 return ret;
1685 }
1686
1687 ret = regulator_bulk_enable(OV5640_NUM_SUPPLIES,
1688 sensor->supplies);
1689 if (ret) {
1690 dev_err(&client->dev, "%s: failed to enable regulators\n",
1691 __func__);
1692 goto xclk_off;
1693 }
1694
1695 ov5640_reset(sensor);
1696 ov5640_power(sensor, true);
1697
1698 ret = ov5640_init_slave_id(sensor);
1699 if (ret)
1700 goto power_off;
1701
1702 return 0;
1703
1704 power_off:
1705 ov5640_power(sensor, false);
1706 regulator_bulk_disable(OV5640_NUM_SUPPLIES, sensor->supplies);
1707 xclk_off:
1708 clk_disable_unprepare(sensor->xclk);
1709 return ret;
1710 }
1711
1712 static void ov5640_set_power_off(struct ov5640_dev *sensor)
1713 {
1714 ov5640_power(sensor, false);
1715 regulator_bulk_disable(OV5640_NUM_SUPPLIES, sensor->supplies);
1716 clk_disable_unprepare(sensor->xclk);
1717 }
1718
1719 static int ov5640_set_power(struct ov5640_dev *sensor, bool on)
1720 {
1721 int ret = 0;
1722
1723 if (on) {
1724 ret = ov5640_set_power_on(sensor);
1725 if (ret)
1726 return ret;
1727
1728 ret = ov5640_restore_mode(sensor);
1729 if (ret)
1730 goto power_off;
1731
1732 if (sensor->ep.bus_type == V4L2_MBUS_CSI2) {
1733 /*
1734 * start streaming briefly followed by stream off in
1735 * order to coax the clock lane into LP-11 state.
1736 */
1737 ret = ov5640_set_stream_mipi(sensor, true);
1738 if (ret)
1739 goto power_off;
1740 usleep_range(1000, 2000);
1741 ret = ov5640_set_stream_mipi(sensor, false);
1742 if (ret)
1743 goto power_off;
1744 }
1745
1746 return 0;
1747 }
1748
1749 power_off:
1750 ov5640_set_power_off(sensor);
1751 return ret;
1752 }
1753
1754 /* --------------- Subdev Operations --------------- */
1755
1756 static int ov5640_s_power(struct v4l2_subdev *sd, int on)
1757 {
1758 struct ov5640_dev *sensor = to_ov5640_dev(sd);
1759 int ret = 0;
1760
1761 mutex_lock(&sensor->lock);
1762
1763 /*
1764 * If the power count is modified from 0 to != 0 or from != 0 to 0,
1765 * update the power state.
1766 */
1767 if (sensor->power_count == !on) {
1768 ret = ov5640_set_power(sensor, !!on);
1769 if (ret)
1770 goto out;
1771 }
1772
1773 /* Update the power count. */
1774 sensor->power_count += on ? 1 : -1;
1775 WARN_ON(sensor->power_count < 0);
1776 out:
1777 mutex_unlock(&sensor->lock);
1778
1779 if (on && !ret && sensor->power_count == 1) {
1780 /* restore controls */
1781 ret = v4l2_ctrl_handler_setup(&sensor->ctrls.handler);
1782 }
1783
1784 return ret;
1785 }
1786
1787 static int ov5640_try_frame_interval(struct ov5640_dev *sensor,
1788 struct v4l2_fract *fi,
1789 u32 width, u32 height)
1790 {
1791 const struct ov5640_mode_info *mode;
1792 u32 minfps, maxfps, fps;
1793 int ret;
1794
1795 minfps = ov5640_framerates[OV5640_15_FPS];
1796 maxfps = ov5640_framerates[OV5640_30_FPS];
1797
1798 if (fi->numerator == 0) {
1799 fi->denominator = maxfps;
1800 fi->numerator = 1;
1801 return OV5640_30_FPS;
1802 }
1803
1804 fps = DIV_ROUND_CLOSEST(fi->denominator, fi->numerator);
1805
1806 fi->numerator = 1;
1807 if (fps > maxfps)
1808 fi->denominator = maxfps;
1809 else if (fps < minfps)
1810 fi->denominator = minfps;
1811 else if (2 * fps >= 2 * minfps + (maxfps - minfps))
1812 fi->denominator = maxfps;
1813 else
1814 fi->denominator = minfps;
1815
1816 ret = (fi->denominator == minfps) ? OV5640_15_FPS : OV5640_30_FPS;
1817
1818 mode = ov5640_find_mode(sensor, ret, width, height, false);
1819 return mode ? ret : -EINVAL;
1820 }
1821
1822 static int ov5640_get_fmt(struct v4l2_subdev *sd,
1823 struct v4l2_subdev_pad_config *cfg,
1824 struct v4l2_subdev_format *format)
1825 {
1826 struct ov5640_dev *sensor = to_ov5640_dev(sd);
1827 struct v4l2_mbus_framefmt *fmt;
1828
1829 if (format->pad != 0)
1830 return -EINVAL;
1831
1832 mutex_lock(&sensor->lock);
1833
1834 if (format->which == V4L2_SUBDEV_FORMAT_TRY)
1835 fmt = v4l2_subdev_get_try_format(&sensor->sd, cfg,
1836 format->pad);
1837 else
1838 fmt = &sensor->fmt;
1839
1840 format->format = *fmt;
1841
1842 mutex_unlock(&sensor->lock);
1843
1844 return 0;
1845 }
1846
1847 static int ov5640_try_fmt_internal(struct v4l2_subdev *sd,
1848 struct v4l2_mbus_framefmt *fmt,
1849 enum ov5640_frame_rate fr,
1850 const struct ov5640_mode_info **new_mode)
1851 {
1852 struct ov5640_dev *sensor = to_ov5640_dev(sd);
1853 const struct ov5640_mode_info *mode;
1854 int i;
1855
1856 mode = ov5640_find_mode(sensor, fr, fmt->width, fmt->height, true);
1857 if (!mode)
1858 return -EINVAL;
1859 fmt->width = mode->width;
1860 fmt->height = mode->height;
1861
1862 if (new_mode)
1863 *new_mode = mode;
1864
1865 for (i = 0; i < ARRAY_SIZE(ov5640_formats); i++)
1866 if (ov5640_formats[i].code == fmt->code)
1867 break;
1868 if (i >= ARRAY_SIZE(ov5640_formats))
1869 fmt->code = ov5640_formats[0].code;
1870
1871 return 0;
1872 }
1873
1874 static int ov5640_set_fmt(struct v4l2_subdev *sd,
1875 struct v4l2_subdev_pad_config *cfg,
1876 struct v4l2_subdev_format *format)
1877 {
1878 struct ov5640_dev *sensor = to_ov5640_dev(sd);
1879 const struct ov5640_mode_info *new_mode;
1880 int ret;
1881
1882 if (format->pad != 0)
1883 return -EINVAL;
1884
1885 mutex_lock(&sensor->lock);
1886
1887 if (sensor->streaming) {
1888 ret = -EBUSY;
1889 goto out;
1890 }
1891
1892 ret = ov5640_try_fmt_internal(sd, &format->format,
1893 sensor->current_fr, &new_mode);
1894 if (ret)
1895 goto out;
1896
1897 if (format->which == V4L2_SUBDEV_FORMAT_TRY) {
1898 struct v4l2_mbus_framefmt *fmt =
1899 v4l2_subdev_get_try_format(sd, cfg, 0);
1900
1901 *fmt = format->format;
1902 goto out;
1903 }
1904
1905 sensor->current_mode = new_mode;
1906 sensor->fmt = format->format;
1907 sensor->pending_mode_change = true;
1908 out:
1909 mutex_unlock(&sensor->lock);
1910 return ret;
1911 }
1912
1913 static int ov5640_set_framefmt(struct ov5640_dev *sensor,
1914 struct v4l2_mbus_framefmt *format)
1915 {
1916 int ret = 0;
1917 bool is_rgb = false;
1918 u8 val;
1919
1920 switch (format->code) {
1921 case MEDIA_BUS_FMT_UYVY8_2X8:
1922 /* YUV422, UYVY */
1923 val = 0x3f;
1924 break;
1925 case MEDIA_BUS_FMT_YUYV8_2X8:
1926 /* YUV422, YUYV */
1927 val = 0x30;
1928 break;
1929 case MEDIA_BUS_FMT_RGB565_2X8_LE:
1930 /* RGB565 {g[2:0],b[4:0]},{r[4:0],g[5:3]} */
1931 val = 0x6F;
1932 is_rgb = true;
1933 break;
1934 case MEDIA_BUS_FMT_RGB565_2X8_BE:
1935 /* RGB565 {r[4:0],g[5:3]},{g[2:0],b[4:0]} */
1936 val = 0x61;
1937 is_rgb = true;
1938 break;
1939 default:
1940 return -EINVAL;
1941 }
1942
1943 /* FORMAT CONTROL00: YUV and RGB formatting */
1944 ret = ov5640_write_reg(sensor, OV5640_REG_FORMAT_CONTROL00, val);
1945 if (ret)
1946 return ret;
1947
1948 /* FORMAT MUX CONTROL: ISP YUV or RGB */
1949 return ov5640_write_reg(sensor, OV5640_REG_ISP_FORMAT_MUX_CTRL,
1950 is_rgb ? 0x01 : 0x00);
1951 }
1952
1953 /*
1954 * Sensor Controls.
1955 */
1956
1957 static int ov5640_set_ctrl_hue(struct ov5640_dev *sensor, int value)
1958 {
1959 int ret;
1960
1961 if (value) {
1962 ret = ov5640_mod_reg(sensor, OV5640_REG_SDE_CTRL0,
1963 BIT(0), BIT(0));
1964 if (ret)
1965 return ret;
1966 ret = ov5640_write_reg16(sensor, OV5640_REG_SDE_CTRL1, value);
1967 } else {
1968 ret = ov5640_mod_reg(sensor, OV5640_REG_SDE_CTRL0, BIT(0), 0);
1969 }
1970
1971 return ret;
1972 }
1973
1974 static int ov5640_set_ctrl_contrast(struct ov5640_dev *sensor, int value)
1975 {
1976 int ret;
1977
1978 if (value) {
1979 ret = ov5640_mod_reg(sensor, OV5640_REG_SDE_CTRL0,
1980 BIT(2), BIT(2));
1981 if (ret)
1982 return ret;
1983 ret = ov5640_write_reg(sensor, OV5640_REG_SDE_CTRL5,
1984 value & 0xff);
1985 } else {
1986 ret = ov5640_mod_reg(sensor, OV5640_REG_SDE_CTRL0, BIT(2), 0);
1987 }
1988
1989 return ret;
1990 }
1991
1992 static int ov5640_set_ctrl_saturation(struct ov5640_dev *sensor, int value)
1993 {
1994 int ret;
1995
1996 if (value) {
1997 ret = ov5640_mod_reg(sensor, OV5640_REG_SDE_CTRL0,
1998 BIT(1), BIT(1));
1999 if (ret)
2000 return ret;
2001 ret = ov5640_write_reg(sensor, OV5640_REG_SDE_CTRL3,
2002 value & 0xff);
2003 if (ret)
2004 return ret;
2005 ret = ov5640_write_reg(sensor, OV5640_REG_SDE_CTRL4,
2006 value & 0xff);
2007 } else {
2008 ret = ov5640_mod_reg(sensor, OV5640_REG_SDE_CTRL0, BIT(1), 0);
2009 }
2010
2011 return ret;
2012 }
2013
2014 static int ov5640_set_ctrl_white_balance(struct ov5640_dev *sensor, int awb)
2015 {
2016 int ret;
2017
2018 ret = ov5640_mod_reg(sensor, OV5640_REG_AWB_MANUAL_CTRL,
2019 BIT(0), awb ? 0 : 1);
2020 if (ret)
2021 return ret;
2022
2023 if (!awb) {
2024 u16 red = (u16)sensor->ctrls.red_balance->val;
2025 u16 blue = (u16)sensor->ctrls.blue_balance->val;
2026
2027 ret = ov5640_write_reg16(sensor, OV5640_REG_AWB_R_GAIN, red);
2028 if (ret)
2029 return ret;
2030 ret = ov5640_write_reg16(sensor, OV5640_REG_AWB_B_GAIN, blue);
2031 }
2032
2033 return ret;
2034 }
2035
2036 static int ov5640_set_ctrl_exposure(struct ov5640_dev *sensor, int exp)
2037 {
2038 struct ov5640_ctrls *ctrls = &sensor->ctrls;
2039 bool auto_exposure = (exp == V4L2_EXPOSURE_AUTO);
2040 int ret = 0;
2041
2042 if (ctrls->auto_exp->is_new) {
2043 ret = ov5640_mod_reg(sensor, OV5640_REG_AEC_PK_MANUAL,
2044 BIT(0), auto_exposure ? 0 : BIT(0));
2045 if (ret)
2046 return ret;
2047 }
2048
2049 if (!auto_exposure && ctrls->exposure->is_new) {
2050 u16 max_exp;
2051
2052 ret = ov5640_read_reg16(sensor, OV5640_REG_AEC_PK_VTS,
2053 &max_exp);
2054 if (ret)
2055 return ret;
2056 ret = ov5640_get_vts(sensor);
2057 if (ret < 0)
2058 return ret;
2059 max_exp += ret;
2060 ret = 0;
2061
2062 if (ctrls->exposure->val < max_exp)
2063 ret = ov5640_set_exposure(sensor, ctrls->exposure->val);
2064 }
2065
2066 return ret;
2067 }
2068
2069 static int ov5640_set_ctrl_gain(struct ov5640_dev *sensor, int auto_gain)
2070 {
2071 struct ov5640_ctrls *ctrls = &sensor->ctrls;
2072 int ret = 0;
2073
2074 if (ctrls->auto_gain->is_new) {
2075 ret = ov5640_mod_reg(sensor, OV5640_REG_AEC_PK_MANUAL,
2076 BIT(1), ctrls->auto_gain->val ? 0 : BIT(1));
2077 if (ret)
2078 return ret;
2079 }
2080
2081 if (!auto_gain && ctrls->gain->is_new) {
2082 u16 gain = (u16)ctrls->gain->val;
2083
2084 ret = ov5640_write_reg16(sensor, OV5640_REG_AEC_PK_REAL_GAIN,
2085 gain & 0x3ff);
2086 }
2087
2088 return ret;
2089 }
2090
2091 static int ov5640_set_ctrl_test_pattern(struct ov5640_dev *sensor, int value)
2092 {
2093 return ov5640_mod_reg(sensor, OV5640_REG_PRE_ISP_TEST_SET1,
2094 0xa4, value ? 0xa4 : 0);
2095 }
2096
2097 static int ov5640_g_volatile_ctrl(struct v4l2_ctrl *ctrl)
2098 {
2099 struct v4l2_subdev *sd = ctrl_to_sd(ctrl);
2100 struct ov5640_dev *sensor = to_ov5640_dev(sd);
2101 int val;
2102
2103 /* v4l2_ctrl_lock() locks our own mutex */
2104
2105 switch (ctrl->id) {
2106 case V4L2_CID_AUTOGAIN:
2107 if (!ctrl->val)
2108 return 0;
2109 val = ov5640_get_gain(sensor);
2110 if (val < 0)
2111 return val;
2112 sensor->ctrls.gain->val = val;
2113 break;
2114 case V4L2_CID_EXPOSURE_AUTO:
2115 if (ctrl->val == V4L2_EXPOSURE_MANUAL)
2116 return 0;
2117 val = ov5640_get_exposure(sensor);
2118 if (val < 0)
2119 return val;
2120 sensor->ctrls.exposure->val = val;
2121 break;
2122 }
2123
2124 return 0;
2125 }
2126
2127 static int ov5640_s_ctrl(struct v4l2_ctrl *ctrl)
2128 {
2129 struct v4l2_subdev *sd = ctrl_to_sd(ctrl);
2130 struct ov5640_dev *sensor = to_ov5640_dev(sd);
2131 int ret;
2132
2133 /* v4l2_ctrl_lock() locks our own mutex */
2134
2135 /*
2136 * If the device is not powered up by the host driver do
2137 * not apply any controls to H/W at this time. Instead
2138 * the controls will be restored right after power-up.
2139 */
2140 if (sensor->power_count == 0)
2141 return 0;
2142
2143 switch (ctrl->id) {
2144 case V4L2_CID_AUTOGAIN:
2145 ret = ov5640_set_ctrl_gain(sensor, ctrl->val);
2146 break;
2147 case V4L2_CID_EXPOSURE_AUTO:
2148 ret = ov5640_set_ctrl_exposure(sensor, ctrl->val);
2149 break;
2150 case V4L2_CID_AUTO_WHITE_BALANCE:
2151 ret = ov5640_set_ctrl_white_balance(sensor, ctrl->val);
2152 break;
2153 case V4L2_CID_HUE:
2154 ret = ov5640_set_ctrl_hue(sensor, ctrl->val);
2155 break;
2156 case V4L2_CID_CONTRAST:
2157 ret = ov5640_set_ctrl_contrast(sensor, ctrl->val);
2158 break;
2159 case V4L2_CID_SATURATION:
2160 ret = ov5640_set_ctrl_saturation(sensor, ctrl->val);
2161 break;
2162 case V4L2_CID_TEST_PATTERN:
2163 ret = ov5640_set_ctrl_test_pattern(sensor, ctrl->val);
2164 break;
2165 default:
2166 ret = -EINVAL;
2167 break;
2168 }
2169
2170 return ret;
2171 }
2172
2173 static const struct v4l2_ctrl_ops ov5640_ctrl_ops = {
2174 .g_volatile_ctrl = ov5640_g_volatile_ctrl,
2175 .s_ctrl = ov5640_s_ctrl,
2176 };
2177
2178 static const char * const test_pattern_menu[] = {
2179 "Disabled",
2180 "Color bars",
2181 };
2182
2183 static int ov5640_init_controls(struct ov5640_dev *sensor)
2184 {
2185 const struct v4l2_ctrl_ops *ops = &ov5640_ctrl_ops;
2186 struct ov5640_ctrls *ctrls = &sensor->ctrls;
2187 struct v4l2_ctrl_handler *hdl = &ctrls->handler;
2188 int ret;
2189
2190 v4l2_ctrl_handler_init(hdl, 32);
2191
2192 /* we can use our own mutex for the ctrl lock */
2193 hdl->lock = &sensor->lock;
2194
2195 /* Auto/manual white balance */
2196 ctrls->auto_wb = v4l2_ctrl_new_std(hdl, ops,
2197 V4L2_CID_AUTO_WHITE_BALANCE,
2198 0, 1, 1, 1);
2199 ctrls->blue_balance = v4l2_ctrl_new_std(hdl, ops, V4L2_CID_BLUE_BALANCE,
2200 0, 4095, 1, 0);
2201 ctrls->red_balance = v4l2_ctrl_new_std(hdl, ops, V4L2_CID_RED_BALANCE,
2202 0, 4095, 1, 0);
2203 /* Auto/manual exposure */
2204 ctrls->auto_exp = v4l2_ctrl_new_std_menu(hdl, ops,
2205 V4L2_CID_EXPOSURE_AUTO,
2206 V4L2_EXPOSURE_MANUAL, 0,
2207 V4L2_EXPOSURE_AUTO);
2208 ctrls->exposure = v4l2_ctrl_new_std(hdl, ops, V4L2_CID_EXPOSURE,
2209 0, 65535, 1, 0);
2210 /* Auto/manual gain */
2211 ctrls->auto_gain = v4l2_ctrl_new_std(hdl, ops, V4L2_CID_AUTOGAIN,
2212 0, 1, 1, 1);
2213 ctrls->gain = v4l2_ctrl_new_std(hdl, ops, V4L2_CID_GAIN,
2214 0, 1023, 1, 0);
2215
2216 ctrls->saturation = v4l2_ctrl_new_std(hdl, ops, V4L2_CID_SATURATION,
2217 0, 255, 1, 64);
2218 ctrls->hue = v4l2_ctrl_new_std(hdl, ops, V4L2_CID_HUE,
2219 0, 359, 1, 0);
2220 ctrls->contrast = v4l2_ctrl_new_std(hdl, ops, V4L2_CID_CONTRAST,
2221 0, 255, 1, 0);
2222 ctrls->test_pattern =
2223 v4l2_ctrl_new_std_menu_items(hdl, ops, V4L2_CID_TEST_PATTERN,
2224 ARRAY_SIZE(test_pattern_menu) - 1,
2225 0, 0, test_pattern_menu);
2226
2227 if (hdl->error) {
2228 ret = hdl->error;
2229 goto free_ctrls;
2230 }
2231
2232 ctrls->gain->flags |= V4L2_CTRL_FLAG_VOLATILE;
2233 ctrls->exposure->flags |= V4L2_CTRL_FLAG_VOLATILE;
2234
2235 v4l2_ctrl_auto_cluster(3, &ctrls->auto_wb, 0, false);
2236 v4l2_ctrl_auto_cluster(2, &ctrls->auto_gain, 0, true);
2237 v4l2_ctrl_auto_cluster(2, &ctrls->auto_exp, 1, true);
2238
2239 sensor->sd.ctrl_handler = hdl;
2240 return 0;
2241
2242 free_ctrls:
2243 v4l2_ctrl_handler_free(hdl);
2244 return ret;
2245 }
2246
2247 static int ov5640_enum_frame_size(struct v4l2_subdev *sd,
2248 struct v4l2_subdev_pad_config *cfg,
2249 struct v4l2_subdev_frame_size_enum *fse)
2250 {
2251 if (fse->pad != 0)
2252 return -EINVAL;
2253 if (fse->index >= OV5640_NUM_MODES)
2254 return -EINVAL;
2255
2256 fse->min_width = fse->max_width =
2257 ov5640_mode_data[0][fse->index].width;
2258 fse->min_height = fse->max_height =
2259 ov5640_mode_data[0][fse->index].height;
2260
2261 return 0;
2262 }
2263
2264 static int ov5640_enum_frame_interval(
2265 struct v4l2_subdev *sd,
2266 struct v4l2_subdev_pad_config *cfg,
2267 struct v4l2_subdev_frame_interval_enum *fie)
2268 {
2269 struct ov5640_dev *sensor = to_ov5640_dev(sd);
2270 struct v4l2_fract tpf;
2271 int ret;
2272
2273 if (fie->pad != 0)
2274 return -EINVAL;
2275 if (fie->index >= OV5640_NUM_FRAMERATES)
2276 return -EINVAL;
2277
2278 tpf.numerator = 1;
2279 tpf.denominator = ov5640_framerates[fie->index];
2280
2281 ret = ov5640_try_frame_interval(sensor, &tpf,
2282 fie->width, fie->height);
2283 if (ret < 0)
2284 return -EINVAL;
2285
2286 fie->interval = tpf;
2287 return 0;
2288 }
2289
2290 static int ov5640_g_frame_interval(struct v4l2_subdev *sd,
2291 struct v4l2_subdev_frame_interval *fi)
2292 {
2293 struct ov5640_dev *sensor = to_ov5640_dev(sd);
2294
2295 mutex_lock(&sensor->lock);
2296 fi->interval = sensor->frame_interval;
2297 mutex_unlock(&sensor->lock);
2298
2299 return 0;
2300 }
2301
2302 static int ov5640_s_frame_interval(struct v4l2_subdev *sd,
2303 struct v4l2_subdev_frame_interval *fi)
2304 {
2305 struct ov5640_dev *sensor = to_ov5640_dev(sd);
2306 const struct ov5640_mode_info *mode;
2307 int frame_rate, ret = 0;
2308
2309 if (fi->pad != 0)
2310 return -EINVAL;
2311
2312 mutex_lock(&sensor->lock);
2313
2314 if (sensor->streaming) {
2315 ret = -EBUSY;
2316 goto out;
2317 }
2318
2319 mode = sensor->current_mode;
2320
2321 frame_rate = ov5640_try_frame_interval(sensor, &fi->interval,
2322 mode->width, mode->height);
2323 if (frame_rate < 0)
2324 frame_rate = OV5640_15_FPS;
2325
2326 sensor->current_fr = frame_rate;
2327 sensor->frame_interval = fi->interval;
2328 sensor->pending_mode_change = true;
2329 out:
2330 mutex_unlock(&sensor->lock);
2331 return ret;
2332 }
2333
2334 static int ov5640_enum_mbus_code(struct v4l2_subdev *sd,
2335 struct v4l2_subdev_pad_config *cfg,
2336 struct v4l2_subdev_mbus_code_enum *code)
2337 {
2338 if (code->pad != 0)
2339 return -EINVAL;
2340 if (code->index >= ARRAY_SIZE(ov5640_formats))
2341 return -EINVAL;
2342
2343 code->code = ov5640_formats[code->index].code;
2344 return 0;
2345 }
2346
2347 static int ov5640_s_stream(struct v4l2_subdev *sd, int enable)
2348 {
2349 struct ov5640_dev *sensor = to_ov5640_dev(sd);
2350 int ret = 0;
2351
2352 mutex_lock(&sensor->lock);
2353
2354 if (sensor->streaming == !enable) {
2355 if (enable && sensor->pending_mode_change) {
2356 ret = ov5640_set_mode(sensor, sensor->current_mode);
2357 if (ret)
2358 goto out;
2359
2360 ret = ov5640_set_framefmt(sensor, &sensor->fmt);
2361 if (ret)
2362 goto out;
2363 }
2364
2365 if (sensor->ep.bus_type == V4L2_MBUS_CSI2)
2366 ret = ov5640_set_stream_mipi(sensor, enable);
2367 else
2368 ret = ov5640_set_stream_dvp(sensor, enable);
2369
2370 if (!ret)
2371 sensor->streaming = enable;
2372 }
2373 out:
2374 mutex_unlock(&sensor->lock);
2375 return ret;
2376 }
2377
2378 static const struct v4l2_subdev_core_ops ov5640_core_ops = {
2379 .s_power = ov5640_s_power,
2380 };
2381
2382 static const struct v4l2_subdev_video_ops ov5640_video_ops = {
2383 .g_frame_interval = ov5640_g_frame_interval,
2384 .s_frame_interval = ov5640_s_frame_interval,
2385 .s_stream = ov5640_s_stream,
2386 };
2387
2388 static const struct v4l2_subdev_pad_ops ov5640_pad_ops = {
2389 .enum_mbus_code = ov5640_enum_mbus_code,
2390 .get_fmt = ov5640_get_fmt,
2391 .set_fmt = ov5640_set_fmt,
2392 .enum_frame_size = ov5640_enum_frame_size,
2393 .enum_frame_interval = ov5640_enum_frame_interval,
2394 };
2395
2396 static const struct v4l2_subdev_ops ov5640_subdev_ops = {
2397 .core = &ov5640_core_ops,
2398 .video = &ov5640_video_ops,
2399 .pad = &ov5640_pad_ops,
2400 };
2401
2402 static int ov5640_get_regulators(struct ov5640_dev *sensor)
2403 {
2404 int i;
2405
2406 for (i = 0; i < OV5640_NUM_SUPPLIES; i++)
2407 sensor->supplies[i].supply = ov5640_supply_name[i];
2408
2409 return devm_regulator_bulk_get(&sensor->i2c_client->dev,
2410 OV5640_NUM_SUPPLIES,
2411 sensor->supplies);
2412 }
2413
2414 static int ov5640_check_chip_id(struct ov5640_dev *sensor)
2415 {
2416 struct i2c_client *client = sensor->i2c_client;
2417 int ret = 0;
2418 u16 chip_id;
2419
2420 ret = ov5640_set_power_on(sensor);
2421 if (ret)
2422 return ret;
2423
2424 ret = ov5640_read_reg16(sensor, OV5640_REG_CHIP_ID, &chip_id);
2425 if (ret) {
2426 dev_err(&client->dev, "%s: failed to read chip identifier\n",
2427 __func__);
2428 goto power_off;
2429 }
2430
2431 if (chip_id != 0x5640) {
2432 dev_err(&client->dev, "%s: wrong chip identifier, expected 0x5640, got 0x%x\n",
2433 __func__, chip_id);
2434 ret = -ENXIO;
2435 }
2436
2437 power_off:
2438 ov5640_set_power_off(sensor);
2439 return ret;
2440 }
2441
2442 static int ov5640_probe(struct i2c_client *client,
2443 const struct i2c_device_id *id)
2444 {
2445 struct device *dev = &client->dev;
2446 struct fwnode_handle *endpoint;
2447 struct ov5640_dev *sensor;
2448 int ret;
2449
2450 sensor = devm_kzalloc(dev, sizeof(*sensor), GFP_KERNEL);
2451 if (!sensor)
2452 return -ENOMEM;
2453
2454 sensor->i2c_client = client;
2455 sensor->fmt.code = MEDIA_BUS_FMT_UYVY8_2X8;
2456 sensor->fmt.width = 640;
2457 sensor->fmt.height = 480;
2458 sensor->fmt.field = V4L2_FIELD_NONE;
2459 sensor->frame_interval.numerator = 1;
2460 sensor->frame_interval.denominator = ov5640_framerates[OV5640_30_FPS];
2461 sensor->current_fr = OV5640_30_FPS;
2462 sensor->current_mode =
2463 &ov5640_mode_data[OV5640_30_FPS][OV5640_MODE_VGA_640_480];
2464 sensor->pending_mode_change = true;
2465
2466 sensor->ae_target = 52;
2467
2468 endpoint = fwnode_graph_get_next_endpoint(
2469 of_fwnode_handle(client->dev.of_node), NULL);
2470 if (!endpoint) {
2471 dev_err(dev, "endpoint node not found\n");
2472 return -EINVAL;
2473 }
2474
2475 ret = v4l2_fwnode_endpoint_parse(endpoint, &sensor->ep);
2476 fwnode_handle_put(endpoint);
2477 if (ret) {
2478 dev_err(dev, "Could not parse endpoint\n");
2479 return ret;
2480 }
2481
2482 /* get system clock (xclk) */
2483 sensor->xclk = devm_clk_get(dev, "xclk");
2484 if (IS_ERR(sensor->xclk)) {
2485 dev_err(dev, "failed to get xclk\n");
2486 return PTR_ERR(sensor->xclk);
2487 }
2488
2489 sensor->xclk_freq = clk_get_rate(sensor->xclk);
2490 if (sensor->xclk_freq < OV5640_XCLK_MIN ||
2491 sensor->xclk_freq > OV5640_XCLK_MAX) {
2492 dev_err(dev, "xclk frequency out of range: %d Hz\n",
2493 sensor->xclk_freq);
2494 return -EINVAL;
2495 }
2496
2497 /* request optional power down pin */
2498 sensor->pwdn_gpio = devm_gpiod_get_optional(dev, "powerdown",
2499 GPIOD_OUT_HIGH);
2500 /* request optional reset pin */
2501 sensor->reset_gpio = devm_gpiod_get_optional(dev, "reset",
2502 GPIOD_OUT_HIGH);
2503
2504 v4l2_i2c_subdev_init(&sensor->sd, client, &ov5640_subdev_ops);
2505
2506 sensor->sd.flags |= V4L2_SUBDEV_FL_HAS_DEVNODE;
2507 sensor->pad.flags = MEDIA_PAD_FL_SOURCE;
2508 sensor->sd.entity.function = MEDIA_ENT_F_CAM_SENSOR;
2509 ret = media_entity_pads_init(&sensor->sd.entity, 1, &sensor->pad);
2510 if (ret)
2511 return ret;
2512
2513 ret = ov5640_get_regulators(sensor);
2514 if (ret)
2515 return ret;
2516
2517 mutex_init(&sensor->lock);
2518
2519 ret = ov5640_check_chip_id(sensor);
2520 if (ret)
2521 goto entity_cleanup;
2522
2523 ret = ov5640_init_controls(sensor);
2524 if (ret)
2525 goto entity_cleanup;
2526
2527 ret = v4l2_async_register_subdev(&sensor->sd);
2528 if (ret)
2529 goto free_ctrls;
2530
2531 return 0;
2532
2533 free_ctrls:
2534 v4l2_ctrl_handler_free(&sensor->ctrls.handler);
2535 entity_cleanup:
2536 mutex_destroy(&sensor->lock);
2537 media_entity_cleanup(&sensor->sd.entity);
2538 return ret;
2539 }
2540
2541 static int ov5640_remove(struct i2c_client *client)
2542 {
2543 struct v4l2_subdev *sd = i2c_get_clientdata(client);
2544 struct ov5640_dev *sensor = to_ov5640_dev(sd);
2545
2546 v4l2_async_unregister_subdev(&sensor->sd);
2547 mutex_destroy(&sensor->lock);
2548 media_entity_cleanup(&sensor->sd.entity);
2549 v4l2_ctrl_handler_free(&sensor->ctrls.handler);
2550
2551 return 0;
2552 }
2553
2554 static const struct i2c_device_id ov5640_id[] = {
2555 {"ov5640", 0},
2556 {},
2557 };
2558 MODULE_DEVICE_TABLE(i2c, ov5640_id);
2559
2560 static const struct of_device_id ov5640_dt_ids[] = {
2561 { .compatible = "ovti,ov5640" },
2562 { /* sentinel */ }
2563 };
2564 MODULE_DEVICE_TABLE(of, ov5640_dt_ids);
2565
2566 static struct i2c_driver ov5640_i2c_driver = {
2567 .driver = {
2568 .name = "ov5640",
2569 .of_match_table = ov5640_dt_ids,
2570 },
2571 .id_table = ov5640_id,
2572 .probe = ov5640_probe,
2573 .remove = ov5640_remove,
2574 };
2575
2576 module_i2c_driver(ov5640_i2c_driver);
2577
2578 MODULE_DESCRIPTION("OV5640 MIPI Camera Subdev Driver");
2579 MODULE_LICENSE("GPL");
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