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review.trustedfirmware.org / hafnium / third_party / linux.git / b4b6d4a02fa8aa8187d426b508fb7f3b69df0dcc / . / drivers / media / i2c / ov5640.c
blob: 8e7a2a59cd321fe9719848cfad13135ce657f342 [file] [log] [blame]
Andrew Scullb4b6d4a2019-01-02 15:54:55 +0000[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/gpio/consumer.h>
18#include <linux/i2c.h>
19#include <linux/init.h>
20#include <linux/module.h>
21#include <linux/of_device.h>
22#include <linux/regulator/consumer.h>
23#include <linux/slab.h>
24#include <linux/types.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 54000000
34
35#define OV5640_DEFAULT_SLAVE_ID 0x3c
36
37#define OV5640_REG_SYS_RESET02 0x3002
38#define OV5640_REG_SYS_CLOCK_ENABLE02 0x3006
39#define OV5640_REG_SYS_CTRL0 0x3008
40#define OV5640_REG_CHIP_ID 0x300a
41#define OV5640_REG_IO_MIPI_CTRL00 0x300e
42#define OV5640_REG_PAD_OUTPUT_ENABLE01 0x3017
43#define OV5640_REG_PAD_OUTPUT_ENABLE02 0x3018
44#define OV5640_REG_PAD_OUTPUT00 0x3019
45#define OV5640_REG_SYSTEM_CONTROL1 0x302e
46#define OV5640_REG_SC_PLL_CTRL0 0x3034
47#define OV5640_REG_SC_PLL_CTRL1 0x3035
48#define OV5640_REG_SC_PLL_CTRL2 0x3036
49#define OV5640_REG_SC_PLL_CTRL3 0x3037
50#define OV5640_REG_SLAVE_ID 0x3100
51#define OV5640_REG_SCCB_SYS_CTRL1 0x3103
52#define OV5640_REG_SYS_ROOT_DIVIDER 0x3108
53#define OV5640_REG_AWB_R_GAIN 0x3400
54#define OV5640_REG_AWB_G_GAIN 0x3402
55#define OV5640_REG_AWB_B_GAIN 0x3404
56#define OV5640_REG_AWB_MANUAL_CTRL 0x3406
57#define OV5640_REG_AEC_PK_EXPOSURE_HI 0x3500
58#define OV5640_REG_AEC_PK_EXPOSURE_MED 0x3501
59#define OV5640_REG_AEC_PK_EXPOSURE_LO 0x3502
60#define OV5640_REG_AEC_PK_MANUAL 0x3503
61#define OV5640_REG_AEC_PK_REAL_GAIN 0x350a
62#define OV5640_REG_AEC_PK_VTS 0x350c
63#define OV5640_REG_TIMING_DVPHO 0x3808
64#define OV5640_REG_TIMING_DVPVO 0x380a
65#define OV5640_REG_TIMING_HTS 0x380c
66#define OV5640_REG_TIMING_VTS 0x380e
67#define OV5640_REG_TIMING_TC_REG20 0x3820
68#define OV5640_REG_TIMING_TC_REG21 0x3821
69#define OV5640_REG_AEC_CTRL00 0x3a00
70#define OV5640_REG_AEC_B50_STEP 0x3a08
71#define OV5640_REG_AEC_B60_STEP 0x3a0a
72#define OV5640_REG_AEC_CTRL0D 0x3a0d
73#define OV5640_REG_AEC_CTRL0E 0x3a0e
74#define OV5640_REG_AEC_CTRL0F 0x3a0f
75#define OV5640_REG_AEC_CTRL10 0x3a10
76#define OV5640_REG_AEC_CTRL11 0x3a11
77#define OV5640_REG_AEC_CTRL1B 0x3a1b
78#define OV5640_REG_AEC_CTRL1E 0x3a1e
79#define OV5640_REG_AEC_CTRL1F 0x3a1f
80#define OV5640_REG_HZ5060_CTRL00 0x3c00
81#define OV5640_REG_HZ5060_CTRL01 0x3c01
82#define OV5640_REG_SIGMADELTA_CTRL0C 0x3c0c
83#define OV5640_REG_FRAME_CTRL01 0x4202
84#define OV5640_REG_FORMAT_CONTROL00 0x4300
85#define OV5640_REG_POLARITY_CTRL00 0x4740
86#define OV5640_REG_MIPI_CTRL00 0x4800
87#define OV5640_REG_DEBUG_MODE 0x4814
88#define OV5640_REG_ISP_FORMAT_MUX_CTRL 0x501f
89#define OV5640_REG_PRE_ISP_TEST_SET1 0x503d
90#define OV5640_REG_SDE_CTRL0 0x5580
91#define OV5640_REG_SDE_CTRL1 0x5581
92#define OV5640_REG_SDE_CTRL3 0x5583
93#define OV5640_REG_SDE_CTRL4 0x5584
94#define OV5640_REG_SDE_CTRL5 0x5585
95#define OV5640_REG_AVG_READOUT 0x56a1
96
97#define OV5640_SCLK2X_ROOT_DIVIDER_DEFAULT 1
98#define OV5640_SCLK_ROOT_DIVIDER_DEFAULT 2
99
100enum ov5640_mode_id {
101 OV5640_MODE_QCIF_176_144 = 0,
102 OV5640_MODE_QVGA_320_240,
103 OV5640_MODE_VGA_640_480,
104 OV5640_MODE_NTSC_720_480,
105 OV5640_MODE_PAL_720_576,
106 OV5640_MODE_XGA_1024_768,
107 OV5640_MODE_720P_1280_720,
108 OV5640_MODE_1080P_1920_1080,
109 OV5640_MODE_QSXGA_2592_1944,
110 OV5640_NUM_MODES,
111};
112
113enum ov5640_frame_rate {
114 OV5640_15_FPS = 0,
115 OV5640_30_FPS,
116 OV5640_NUM_FRAMERATES,
117};
118
119struct ov5640_pixfmt {
120 u32 code;
121 u32 colorspace;
122};
123
124static const struct ov5640_pixfmt ov5640_formats[] = {
125 { MEDIA_BUS_FMT_JPEG_1X8, V4L2_COLORSPACE_JPEG, },
126 { MEDIA_BUS_FMT_UYVY8_2X8, V4L2_COLORSPACE_SRGB, },
127 { MEDIA_BUS_FMT_YUYV8_2X8, V4L2_COLORSPACE_SRGB, },
128 { MEDIA_BUS_FMT_RGB565_2X8_LE, V4L2_COLORSPACE_SRGB, },
129 { MEDIA_BUS_FMT_RGB565_2X8_BE, V4L2_COLORSPACE_SRGB, },
130};
131
132/*
133 * FIXME: remove this when a subdev API becomes available
134 * to set the MIPI CSI-2 virtual channel.
135 */
136static unsigned int virtual_channel;
137module_param(virtual_channel, uint, 0444);
138MODULE_PARM_DESC(virtual_channel,
139 "MIPI CSI-2 virtual channel (0..3), default 0");
140
141static const int ov5640_framerates[] = {
142 [OV5640_15_FPS] = 15,
143 [OV5640_30_FPS] = 30,
144};
145
146/* regulator supplies */
147static const char * const ov5640_supply_name[] = {
148 "DOVDD", /* Digital I/O (1.8V) supply */
149 "DVDD", /* Digital Core (1.5V) supply */
150 "AVDD", /* Analog (2.8V) supply */
151};
152
153#define OV5640_NUM_SUPPLIES ARRAY_SIZE(ov5640_supply_name)
154
155/*
156 * Image size under 1280 * 960 are SUBSAMPLING
157 * Image size upper 1280 * 960 are SCALING
158 */
159enum ov5640_downsize_mode {
160 SUBSAMPLING,
161 SCALING,
162};
163
164struct reg_value {
165 u16 reg_addr;
166 u8 val;
167 u8 mask;
168 u32 delay_ms;
169};
170
171struct ov5640_mode_info {
172 enum ov5640_mode_id id;
173 enum ov5640_downsize_mode dn_mode;
174 u32 hact;
175 u32 htot;
176 u32 vact;
177 u32 vtot;
178 const struct reg_value *reg_data;
179 u32 reg_data_size;
180};
181
182struct ov5640_ctrls {
183 struct v4l2_ctrl_handler handler;
184 struct {
185 struct v4l2_ctrl *auto_exp;
186 struct v4l2_ctrl *exposure;
187 };
188 struct {
189 struct v4l2_ctrl *auto_wb;
190 struct v4l2_ctrl *blue_balance;
191 struct v4l2_ctrl *red_balance;
192 };
193 struct {
194 struct v4l2_ctrl *auto_gain;
195 struct v4l2_ctrl *gain;
196 };
197 struct v4l2_ctrl *brightness;
198 struct v4l2_ctrl *light_freq;
199 struct v4l2_ctrl *saturation;
200 struct v4l2_ctrl *contrast;
201 struct v4l2_ctrl *hue;
202 struct v4l2_ctrl *test_pattern;
203 struct v4l2_ctrl *hflip;
204 struct v4l2_ctrl *vflip;
205};
206
207struct ov5640_dev {
208 struct i2c_client *i2c_client;
209 struct v4l2_subdev sd;
210 struct media_pad pad;
211 struct v4l2_fwnode_endpoint ep; /* the parsed DT endpoint info */
212 struct clk *xclk; /* system clock to OV5640 */
213 u32 xclk_freq;
214
215 struct regulator_bulk_data supplies[OV5640_NUM_SUPPLIES];
216 struct gpio_desc *reset_gpio;
217 struct gpio_desc *pwdn_gpio;
218 bool upside_down;
219
220 /* lock to protect all members below */
221 struct mutex lock;
222
223 int power_count;
224
225 struct v4l2_mbus_framefmt fmt;
226 bool pending_fmt_change;
227
228 const struct ov5640_mode_info *current_mode;
229 const struct ov5640_mode_info *last_mode;
230 enum ov5640_frame_rate current_fr;
231 struct v4l2_fract frame_interval;
232
233 struct ov5640_ctrls ctrls;
234
235 u32 prev_sysclk, prev_hts;
236 u32 ae_low, ae_high, ae_target;
237
238 bool pending_mode_change;
239 bool streaming;
240};
241
242static inline struct ov5640_dev *to_ov5640_dev(struct v4l2_subdev *sd)
243{
244 return container_of(sd, struct ov5640_dev, sd);
245}
246
247static inline struct v4l2_subdev *ctrl_to_sd(struct v4l2_ctrl *ctrl)
248{
249 return &container_of(ctrl->handler, struct ov5640_dev,
250 ctrls.handler)->sd;
251}
252
253/*
254 * FIXME: all of these register tables are likely filled with
255 * entries that set the register to their power-on default values,
256 * and which are otherwise not touched by this driver. Those entries
257 * should be identified and removed to speed register load time
258 * over i2c.
259 */
260/* YUV422 UYVY VGA@30fps */
261static const struct reg_value ov5640_init_setting_30fps_VGA[] = {
262 {0x3103, 0x11, 0, 0}, {0x3008, 0x82, 0, 5}, {0x3008, 0x42, 0, 0},
263 {0x3103, 0x03, 0, 0}, {0x3017, 0x00, 0, 0}, {0x3018, 0x00, 0, 0},
264 {0x3034, 0x18, 0, 0}, {0x3035, 0x14, 0, 0}, {0x3036, 0x38, 0, 0},
265 {0x3037, 0x13, 0, 0}, {0x3630, 0x36, 0, 0},
266 {0x3631, 0x0e, 0, 0}, {0x3632, 0xe2, 0, 0}, {0x3633, 0x12, 0, 0},
267 {0x3621, 0xe0, 0, 0}, {0x3704, 0xa0, 0, 0}, {0x3703, 0x5a, 0, 0},
268 {0x3715, 0x78, 0, 0}, {0x3717, 0x01, 0, 0}, {0x370b, 0x60, 0, 0},
269 {0x3705, 0x1a, 0, 0}, {0x3905, 0x02, 0, 0}, {0x3906, 0x10, 0, 0},
270 {0x3901, 0x0a, 0, 0}, {0x3731, 0x12, 0, 0}, {0x3600, 0x08, 0, 0},
271 {0x3601, 0x33, 0, 0}, {0x302d, 0x60, 0, 0}, {0x3620, 0x52, 0, 0},
272 {0x371b, 0x20, 0, 0}, {0x471c, 0x50, 0, 0}, {0x3a13, 0x43, 0, 0},
273 {0x3a18, 0x00, 0, 0}, {0x3a19, 0xf8, 0, 0}, {0x3635, 0x13, 0, 0},
274 {0x3636, 0x03, 0, 0}, {0x3634, 0x40, 0, 0}, {0x3622, 0x01, 0, 0},
275 {0x3c01, 0xa4, 0, 0}, {0x3c04, 0x28, 0, 0}, {0x3c05, 0x98, 0, 0},
276 {0x3c06, 0x00, 0, 0}, {0x3c07, 0x08, 0, 0}, {0x3c08, 0x00, 0, 0},
277 {0x3c09, 0x1c, 0, 0}, {0x3c0a, 0x9c, 0, 0}, {0x3c0b, 0x40, 0, 0},
278 {0x3820, 0x41, 0, 0}, {0x3821, 0x07, 0, 0}, {0x3814, 0x31, 0, 0},
279 {0x3815, 0x31, 0, 0}, {0x3800, 0x00, 0, 0}, {0x3801, 0x00, 0, 0},
280 {0x3802, 0x00, 0, 0}, {0x3803, 0x04, 0, 0}, {0x3804, 0x0a, 0, 0},
281 {0x3805, 0x3f, 0, 0}, {0x3806, 0x07, 0, 0}, {0x3807, 0x9b, 0, 0},
282 {0x3810, 0x00, 0, 0},
283 {0x3811, 0x10, 0, 0}, {0x3812, 0x00, 0, 0}, {0x3813, 0x06, 0, 0},
284 {0x3618, 0x00, 0, 0}, {0x3612, 0x29, 0, 0}, {0x3708, 0x64, 0, 0},
285 {0x3709, 0x52, 0, 0}, {0x370c, 0x03, 0, 0}, {0x3a02, 0x03, 0, 0},
286 {0x3a03, 0xd8, 0, 0}, {0x3a08, 0x01, 0, 0}, {0x3a09, 0x27, 0, 0},
287 {0x3a0a, 0x00, 0, 0}, {0x3a0b, 0xf6, 0, 0}, {0x3a0e, 0x03, 0, 0},
288 {0x3a0d, 0x04, 0, 0}, {0x3a14, 0x03, 0, 0}, {0x3a15, 0xd8, 0, 0},
289 {0x4001, 0x02, 0, 0}, {0x4004, 0x02, 0, 0}, {0x3000, 0x00, 0, 0},
290 {0x3002, 0x1c, 0, 0}, {0x3004, 0xff, 0, 0}, {0x3006, 0xc3, 0, 0},
291 {0x302e, 0x08, 0, 0}, {0x4300, 0x3f, 0, 0},
292 {0x501f, 0x00, 0, 0}, {0x4713, 0x03, 0, 0}, {0x4407, 0x04, 0, 0},
293 {0x440e, 0x00, 0, 0}, {0x460b, 0x35, 0, 0}, {0x460c, 0x22, 0, 0},
294 {0x4837, 0x0a, 0, 0}, {0x3824, 0x02, 0, 0},
295 {0x5000, 0xa7, 0, 0}, {0x5001, 0xa3, 0, 0}, {0x5180, 0xff, 0, 0},
296 {0x5181, 0xf2, 0, 0}, {0x5182, 0x00, 0, 0}, {0x5183, 0x14, 0, 0},
297 {0x5184, 0x25, 0, 0}, {0x5185, 0x24, 0, 0}, {0x5186, 0x09, 0, 0},
298 {0x5187, 0x09, 0, 0}, {0x5188, 0x09, 0, 0}, {0x5189, 0x88, 0, 0},
299 {0x518a, 0x54, 0, 0}, {0x518b, 0xee, 0, 0}, {0x518c, 0xb2, 0, 0},
300 {0x518d, 0x50, 0, 0}, {0x518e, 0x34, 0, 0}, {0x518f, 0x6b, 0, 0},
301 {0x5190, 0x46, 0, 0}, {0x5191, 0xf8, 0, 0}, {0x5192, 0x04, 0, 0},
302 {0x5193, 0x70, 0, 0}, {0x5194, 0xf0, 0, 0}, {0x5195, 0xf0, 0, 0},
303 {0x5196, 0x03, 0, 0}, {0x5197, 0x01, 0, 0}, {0x5198, 0x04, 0, 0},
304 {0x5199, 0x6c, 0, 0}, {0x519a, 0x04, 0, 0}, {0x519b, 0x00, 0, 0},
305 {0x519c, 0x09, 0, 0}, {0x519d, 0x2b, 0, 0}, {0x519e, 0x38, 0, 0},
306 {0x5381, 0x1e, 0, 0}, {0x5382, 0x5b, 0, 0}, {0x5383, 0x08, 0, 0},
307 {0x5384, 0x0a, 0, 0}, {0x5385, 0x7e, 0, 0}, {0x5386, 0x88, 0, 0},
308 {0x5387, 0x7c, 0, 0}, {0x5388, 0x6c, 0, 0}, {0x5389, 0x10, 0, 0},
309 {0x538a, 0x01, 0, 0}, {0x538b, 0x98, 0, 0}, {0x5300, 0x08, 0, 0},
310 {0x5301, 0x30, 0, 0}, {0x5302, 0x10, 0, 0}, {0x5303, 0x00, 0, 0},
311 {0x5304, 0x08, 0, 0}, {0x5305, 0x30, 0, 0}, {0x5306, 0x08, 0, 0},
312 {0x5307, 0x16, 0, 0}, {0x5309, 0x08, 0, 0}, {0x530a, 0x30, 0, 0},
313 {0x530b, 0x04, 0, 0}, {0x530c, 0x06, 0, 0}, {0x5480, 0x01, 0, 0},
314 {0x5481, 0x08, 0, 0}, {0x5482, 0x14, 0, 0}, {0x5483, 0x28, 0, 0},
315 {0x5484, 0x51, 0, 0}, {0x5485, 0x65, 0, 0}, {0x5486, 0x71, 0, 0},
316 {0x5487, 0x7d, 0, 0}, {0x5488, 0x87, 0, 0}, {0x5489, 0x91, 0, 0},
317 {0x548a, 0x9a, 0, 0}, {0x548b, 0xaa, 0, 0}, {0x548c, 0xb8, 0, 0},
318 {0x548d, 0xcd, 0, 0}, {0x548e, 0xdd, 0, 0}, {0x548f, 0xea, 0, 0},
319 {0x5490, 0x1d, 0, 0}, {0x5580, 0x02, 0, 0}, {0x5583, 0x40, 0, 0},
320 {0x5584, 0x10, 0, 0}, {0x5589, 0x10, 0, 0}, {0x558a, 0x00, 0, 0},
321 {0x558b, 0xf8, 0, 0}, {0x5800, 0x23, 0, 0}, {0x5801, 0x14, 0, 0},
322 {0x5802, 0x0f, 0, 0}, {0x5803, 0x0f, 0, 0}, {0x5804, 0x12, 0, 0},
323 {0x5805, 0x26, 0, 0}, {0x5806, 0x0c, 0, 0}, {0x5807, 0x08, 0, 0},
324 {0x5808, 0x05, 0, 0}, {0x5809, 0x05, 0, 0}, {0x580a, 0x08, 0, 0},
325 {0x580b, 0x0d, 0, 0}, {0x580c, 0x08, 0, 0}, {0x580d, 0x03, 0, 0},
326 {0x580e, 0x00, 0, 0}, {0x580f, 0x00, 0, 0}, {0x5810, 0x03, 0, 0},
327 {0x5811, 0x09, 0, 0}, {0x5812, 0x07, 0, 0}, {0x5813, 0x03, 0, 0},
328 {0x5814, 0x00, 0, 0}, {0x5815, 0x01, 0, 0}, {0x5816, 0x03, 0, 0},
329 {0x5817, 0x08, 0, 0}, {0x5818, 0x0d, 0, 0}, {0x5819, 0x08, 0, 0},
330 {0x581a, 0x05, 0, 0}, {0x581b, 0x06, 0, 0}, {0x581c, 0x08, 0, 0},
331 {0x581d, 0x0e, 0, 0}, {0x581e, 0x29, 0, 0}, {0x581f, 0x17, 0, 0},
332 {0x5820, 0x11, 0, 0}, {0x5821, 0x11, 0, 0}, {0x5822, 0x15, 0, 0},
333 {0x5823, 0x28, 0, 0}, {0x5824, 0x46, 0, 0}, {0x5825, 0x26, 0, 0},
334 {0x5826, 0x08, 0, 0}, {0x5827, 0x26, 0, 0}, {0x5828, 0x64, 0, 0},
335 {0x5829, 0x26, 0, 0}, {0x582a, 0x24, 0, 0}, {0x582b, 0x22, 0, 0},
336 {0x582c, 0x24, 0, 0}, {0x582d, 0x24, 0, 0}, {0x582e, 0x06, 0, 0},
337 {0x582f, 0x22, 0, 0}, {0x5830, 0x40, 0, 0}, {0x5831, 0x42, 0, 0},
338 {0x5832, 0x24, 0, 0}, {0x5833, 0x26, 0, 0}, {0x5834, 0x24, 0, 0},
339 {0x5835, 0x22, 0, 0}, {0x5836, 0x22, 0, 0}, {0x5837, 0x26, 0, 0},
340 {0x5838, 0x44, 0, 0}, {0x5839, 0x24, 0, 0}, {0x583a, 0x26, 0, 0},
341 {0x583b, 0x28, 0, 0}, {0x583c, 0x42, 0, 0}, {0x583d, 0xce, 0, 0},
342 {0x5025, 0x00, 0, 0}, {0x3a0f, 0x30, 0, 0}, {0x3a10, 0x28, 0, 0},
343 {0x3a1b, 0x30, 0, 0}, {0x3a1e, 0x26, 0, 0}, {0x3a11, 0x60, 0, 0},
344 {0x3a1f, 0x14, 0, 0}, {0x3008, 0x02, 0, 0}, {0x3c00, 0x04, 0, 300},
345};
346
347static const struct reg_value ov5640_setting_30fps_VGA_640_480[] = {
348 {0x3035, 0x14, 0, 0}, {0x3036, 0x38, 0, 0}, {0x3c07, 0x08, 0, 0},
349 {0x3c09, 0x1c, 0, 0}, {0x3c0a, 0x9c, 0, 0}, {0x3c0b, 0x40, 0, 0},
350 {0x3814, 0x31, 0, 0},
351 {0x3815, 0x31, 0, 0}, {0x3800, 0x00, 0, 0}, {0x3801, 0x00, 0, 0},
352 {0x3802, 0x00, 0, 0}, {0x3803, 0x04, 0, 0}, {0x3804, 0x0a, 0, 0},
353 {0x3805, 0x3f, 0, 0}, {0x3806, 0x07, 0, 0}, {0x3807, 0x9b, 0, 0},
354 {0x3810, 0x00, 0, 0},
355 {0x3811, 0x10, 0, 0}, {0x3812, 0x00, 0, 0}, {0x3813, 0x06, 0, 0},
356 {0x3618, 0x00, 0, 0}, {0x3612, 0x29, 0, 0}, {0x3708, 0x64, 0, 0},
357 {0x3709, 0x52, 0, 0}, {0x370c, 0x03, 0, 0}, {0x3a02, 0x03, 0, 0},
358 {0x3a03, 0xd8, 0, 0}, {0x3a08, 0x01, 0, 0}, {0x3a09, 0x0e, 0, 0},
359 {0x3a0a, 0x00, 0, 0}, {0x3a0b, 0xf6, 0, 0}, {0x3a0e, 0x03, 0, 0},
360 {0x3a0d, 0x04, 0, 0}, {0x3a14, 0x03, 0, 0}, {0x3a15, 0xd8, 0, 0},
361 {0x4001, 0x02, 0, 0}, {0x4004, 0x02, 0, 0}, {0x4713, 0x03, 0, 0},
362 {0x4407, 0x04, 0, 0}, {0x460b, 0x35, 0, 0}, {0x460c, 0x22, 0, 0},
363 {0x3824, 0x02, 0, 0}, {0x5001, 0xa3, 0, 0}, {0x3503, 0x00, 0, 0},
364};
365
366static const struct reg_value ov5640_setting_15fps_VGA_640_480[] = {
367 {0x3035, 0x22, 0, 0}, {0x3036, 0x38, 0, 0}, {0x3c07, 0x08, 0, 0},
368 {0x3c09, 0x1c, 0, 0}, {0x3c0a, 0x9c, 0, 0}, {0x3c0b, 0x40, 0, 0},
369 {0x3814, 0x31, 0, 0},
370 {0x3815, 0x31, 0, 0}, {0x3800, 0x00, 0, 0}, {0x3801, 0x00, 0, 0},
371 {0x3802, 0x00, 0, 0}, {0x3803, 0x04, 0, 0}, {0x3804, 0x0a, 0, 0},
372 {0x3805, 0x3f, 0, 0}, {0x3806, 0x07, 0, 0}, {0x3807, 0x9b, 0, 0},
373 {0x3810, 0x00, 0, 0},
374 {0x3811, 0x10, 0, 0}, {0x3812, 0x00, 0, 0}, {0x3813, 0x06, 0, 0},
375 {0x3618, 0x00, 0, 0}, {0x3612, 0x29, 0, 0}, {0x3708, 0x64, 0, 0},
376 {0x3709, 0x52, 0, 0}, {0x370c, 0x03, 0, 0}, {0x3a02, 0x03, 0, 0},
377 {0x3a03, 0xd8, 0, 0}, {0x3a08, 0x01, 0, 0}, {0x3a09, 0x27, 0, 0},
378 {0x3a0a, 0x00, 0, 0}, {0x3a0b, 0xf6, 0, 0}, {0x3a0e, 0x03, 0, 0},
379 {0x3a0d, 0x04, 0, 0}, {0x3a14, 0x03, 0, 0}, {0x3a15, 0xd8, 0, 0},
380 {0x4001, 0x02, 0, 0}, {0x4004, 0x02, 0, 0}, {0x4713, 0x03, 0, 0},
381 {0x4407, 0x04, 0, 0}, {0x460b, 0x35, 0, 0}, {0x460c, 0x22, 0, 0},
382 {0x3824, 0x02, 0, 0}, {0x5001, 0xa3, 0, 0},
383};
384
385static const struct reg_value ov5640_setting_30fps_XGA_1024_768[] = {
386 {0x3035, 0x14, 0, 0}, {0x3036, 0x38, 0, 0}, {0x3c07, 0x08, 0, 0},
387 {0x3c09, 0x1c, 0, 0}, {0x3c0a, 0x9c, 0, 0}, {0x3c0b, 0x40, 0, 0},
388 {0x3814, 0x31, 0, 0},
389 {0x3815, 0x31, 0, 0}, {0x3800, 0x00, 0, 0}, {0x3801, 0x00, 0, 0},
390 {0x3802, 0x00, 0, 0}, {0x3803, 0x04, 0, 0}, {0x3804, 0x0a, 0, 0},
391 {0x3805, 0x3f, 0, 0}, {0x3806, 0x07, 0, 0}, {0x3807, 0x9b, 0, 0},
392 {0x3810, 0x00, 0, 0},
393 {0x3811, 0x10, 0, 0}, {0x3812, 0x00, 0, 0}, {0x3813, 0x06, 0, 0},
394 {0x3618, 0x00, 0, 0}, {0x3612, 0x29, 0, 0}, {0x3708, 0x64, 0, 0},
395 {0x3709, 0x52, 0, 0}, {0x370c, 0x03, 0, 0}, {0x3a02, 0x03, 0, 0},
396 {0x3a03, 0xd8, 0, 0}, {0x3a08, 0x01, 0, 0}, {0x3a09, 0x0e, 0, 0},
397 {0x3a0a, 0x00, 0, 0}, {0x3a0b, 0xf6, 0, 0}, {0x3a0e, 0x03, 0, 0},
398 {0x3a0d, 0x04, 0, 0}, {0x3a14, 0x03, 0, 0}, {0x3a15, 0xd8, 0, 0},
399 {0x4001, 0x02, 0, 0}, {0x4004, 0x02, 0, 0}, {0x4713, 0x03, 0, 0},
400 {0x4407, 0x04, 0, 0}, {0x460b, 0x35, 0, 0}, {0x460c, 0x22, 0, 0},
401 {0x3824, 0x02, 0, 0}, {0x5001, 0xa3, 0, 0}, {0x3503, 0x00, 0, 0},
402 {0x3035, 0x12, 0, 0},
403};
404
405static const struct reg_value ov5640_setting_15fps_XGA_1024_768[] = {
406 {0x3035, 0x22, 0, 0}, {0x3036, 0x38, 0, 0}, {0x3c07, 0x08, 0, 0},
407 {0x3c09, 0x1c, 0, 0}, {0x3c0a, 0x9c, 0, 0}, {0x3c0b, 0x40, 0, 0},
408 {0x3814, 0x31, 0, 0},
409 {0x3815, 0x31, 0, 0}, {0x3800, 0x00, 0, 0}, {0x3801, 0x00, 0, 0},
410 {0x3802, 0x00, 0, 0}, {0x3803, 0x04, 0, 0}, {0x3804, 0x0a, 0, 0},
411 {0x3805, 0x3f, 0, 0}, {0x3806, 0x07, 0, 0}, {0x3807, 0x9b, 0, 0},
412 {0x3810, 0x00, 0, 0},
413 {0x3811, 0x10, 0, 0}, {0x3812, 0x00, 0, 0}, {0x3813, 0x06, 0, 0},
414 {0x3618, 0x00, 0, 0}, {0x3612, 0x29, 0, 0}, {0x3708, 0x64, 0, 0},
415 {0x3709, 0x52, 0, 0}, {0x370c, 0x03, 0, 0}, {0x3a02, 0x03, 0, 0},
416 {0x3a03, 0xd8, 0, 0}, {0x3a08, 0x01, 0, 0}, {0x3a09, 0x27, 0, 0},
417 {0x3a0a, 0x00, 0, 0}, {0x3a0b, 0xf6, 0, 0}, {0x3a0e, 0x03, 0, 0},
418 {0x3a0d, 0x04, 0, 0}, {0x3a14, 0x03, 0, 0}, {0x3a15, 0xd8, 0, 0},
419 {0x4001, 0x02, 0, 0}, {0x4004, 0x02, 0, 0}, {0x4713, 0x03, 0, 0},
420 {0x4407, 0x04, 0, 0}, {0x460b, 0x35, 0, 0}, {0x460c, 0x22, 0, 0},
421 {0x3824, 0x02, 0, 0}, {0x5001, 0xa3, 0, 0},
422};
423
424static const struct reg_value ov5640_setting_30fps_QVGA_320_240[] = {
425 {0x3035, 0x14, 0, 0}, {0x3036, 0x38, 0, 0}, {0x3c07, 0x08, 0, 0},
426 {0x3c09, 0x1c, 0, 0}, {0x3c0a, 0x9c, 0, 0}, {0x3c0b, 0x40, 0, 0},
427 {0x3814, 0x31, 0, 0},
428 {0x3815, 0x31, 0, 0}, {0x3800, 0x00, 0, 0}, {0x3801, 0x00, 0, 0},
429 {0x3802, 0x00, 0, 0}, {0x3803, 0x04, 0, 0}, {0x3804, 0x0a, 0, 0},
430 {0x3805, 0x3f, 0, 0}, {0x3806, 0x07, 0, 0}, {0x3807, 0x9b, 0, 0},
431 {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
443static 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 {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 {0x3810, 0x00, 0, 0},
451 {0x3811, 0x10, 0, 0}, {0x3812, 0x00, 0, 0}, {0x3813, 0x06, 0, 0},
452 {0x3618, 0x00, 0, 0}, {0x3612, 0x29, 0, 0}, {0x3708, 0x64, 0, 0},
453 {0x3709, 0x52, 0, 0}, {0x370c, 0x03, 0, 0}, {0x3a02, 0x03, 0, 0},
454 {0x3a03, 0xd8, 0, 0}, {0x3a08, 0x01, 0, 0}, {0x3a09, 0x27, 0, 0},
455 {0x3a0a, 0x00, 0, 0}, {0x3a0b, 0xf6, 0, 0}, {0x3a0e, 0x03, 0, 0},
456 {0x3a0d, 0x04, 0, 0}, {0x3a14, 0x03, 0, 0}, {0x3a15, 0xd8, 0, 0},
457 {0x4001, 0x02, 0, 0}, {0x4004, 0x02, 0, 0}, {0x4713, 0x03, 0, 0},
458 {0x4407, 0x04, 0, 0}, {0x460b, 0x35, 0, 0}, {0x460c, 0x22, 0, 0},
459 {0x3824, 0x02, 0, 0}, {0x5001, 0xa3, 0, 0},
460};
461
462static const struct reg_value ov5640_setting_30fps_QCIF_176_144[] = {
463 {0x3035, 0x14, 0, 0}, {0x3036, 0x38, 0, 0}, {0x3c07, 0x08, 0, 0},
464 {0x3c09, 0x1c, 0, 0}, {0x3c0a, 0x9c, 0, 0}, {0x3c0b, 0x40, 0, 0},
465 {0x3814, 0x31, 0, 0},
466 {0x3815, 0x31, 0, 0}, {0x3800, 0x00, 0, 0}, {0x3801, 0x00, 0, 0},
467 {0x3802, 0x00, 0, 0}, {0x3803, 0x04, 0, 0}, {0x3804, 0x0a, 0, 0},
468 {0x3805, 0x3f, 0, 0}, {0x3806, 0x07, 0, 0}, {0x3807, 0x9b, 0, 0},
469 {0x3810, 0x00, 0, 0},
470 {0x3811, 0x10, 0, 0}, {0x3812, 0x00, 0, 0}, {0x3813, 0x06, 0, 0},
471 {0x3618, 0x00, 0, 0}, {0x3612, 0x29, 0, 0}, {0x3708, 0x64, 0, 0},
472 {0x3709, 0x52, 0, 0}, {0x370c, 0x03, 0, 0}, {0x3a02, 0x03, 0, 0},
473 {0x3a03, 0xd8, 0, 0}, {0x3a08, 0x01, 0, 0}, {0x3a09, 0x27, 0, 0},
474 {0x3a0a, 0x00, 0, 0}, {0x3a0b, 0xf6, 0, 0}, {0x3a0e, 0x03, 0, 0},
475 {0x3a0d, 0x04, 0, 0}, {0x3a14, 0x03, 0, 0}, {0x3a15, 0xd8, 0, 0},
476 {0x4001, 0x02, 0, 0}, {0x4004, 0x02, 0, 0}, {0x4713, 0x03, 0, 0},
477 {0x4407, 0x04, 0, 0}, {0x460b, 0x35, 0, 0}, {0x460c, 0x22, 0, 0},
478 {0x3824, 0x02, 0, 0}, {0x5001, 0xa3, 0, 0},
479};
480
481static const struct reg_value ov5640_setting_15fps_QCIF_176_144[] = {
482 {0x3035, 0x22, 0, 0}, {0x3036, 0x38, 0, 0}, {0x3c07, 0x08, 0, 0},
483 {0x3c09, 0x1c, 0, 0}, {0x3c0a, 0x9c, 0, 0}, {0x3c0b, 0x40, 0, 0},
484 {0x3814, 0x31, 0, 0},
485 {0x3815, 0x31, 0, 0}, {0x3800, 0x00, 0, 0}, {0x3801, 0x00, 0, 0},
486 {0x3802, 0x00, 0, 0}, {0x3803, 0x04, 0, 0}, {0x3804, 0x0a, 0, 0},
487 {0x3805, 0x3f, 0, 0}, {0x3806, 0x07, 0, 0}, {0x3807, 0x9b, 0, 0},
488 {0x3810, 0x00, 0, 0},
489 {0x3811, 0x10, 0, 0}, {0x3812, 0x00, 0, 0}, {0x3813, 0x06, 0, 0},
490 {0x3618, 0x00, 0, 0}, {0x3612, 0x29, 0, 0}, {0x3708, 0x64, 0, 0},
491 {0x3709, 0x52, 0, 0}, {0x370c, 0x03, 0, 0}, {0x3a02, 0x03, 0, 0},
492 {0x3a03, 0xd8, 0, 0}, {0x3a08, 0x01, 0, 0}, {0x3a09, 0x27, 0, 0},
493 {0x3a0a, 0x00, 0, 0}, {0x3a0b, 0xf6, 0, 0}, {0x3a0e, 0x03, 0, 0},
494 {0x3a0d, 0x04, 0, 0}, {0x3a14, 0x03, 0, 0}, {0x3a15, 0xd8, 0, 0},
495 {0x4001, 0x02, 0, 0}, {0x4004, 0x02, 0, 0}, {0x4713, 0x03, 0, 0},
496 {0x4407, 0x04, 0, 0}, {0x460b, 0x35, 0, 0}, {0x460c, 0x22, 0, 0},
497 {0x3824, 0x02, 0, 0}, {0x5001, 0xa3, 0, 0},
498};
499
500static const struct reg_value ov5640_setting_30fps_NTSC_720_480[] = {
501 {0x3035, 0x12, 0, 0}, {0x3036, 0x38, 0, 0}, {0x3c07, 0x08, 0, 0},
502 {0x3c09, 0x1c, 0, 0}, {0x3c0a, 0x9c, 0, 0}, {0x3c0b, 0x40, 0, 0},
503 {0x3814, 0x31, 0, 0},
504 {0x3815, 0x31, 0, 0}, {0x3800, 0x00, 0, 0}, {0x3801, 0x00, 0, 0},
505 {0x3802, 0x00, 0, 0}, {0x3803, 0x04, 0, 0}, {0x3804, 0x0a, 0, 0},
506 {0x3805, 0x3f, 0, 0}, {0x3806, 0x07, 0, 0}, {0x3807, 0x9b, 0, 0},
507 {0x3810, 0x00, 0, 0},
508 {0x3811, 0x10, 0, 0}, {0x3812, 0x00, 0, 0}, {0x3813, 0x3c, 0, 0},
509 {0x3618, 0x00, 0, 0}, {0x3612, 0x29, 0, 0}, {0x3708, 0x64, 0, 0},
510 {0x3709, 0x52, 0, 0}, {0x370c, 0x03, 0, 0}, {0x3a02, 0x03, 0, 0},
511 {0x3a03, 0xd8, 0, 0}, {0x3a08, 0x01, 0, 0}, {0x3a09, 0x27, 0, 0},
512 {0x3a0a, 0x00, 0, 0}, {0x3a0b, 0xf6, 0, 0}, {0x3a0e, 0x03, 0, 0},
513 {0x3a0d, 0x04, 0, 0}, {0x3a14, 0x03, 0, 0}, {0x3a15, 0xd8, 0, 0},
514 {0x4001, 0x02, 0, 0}, {0x4004, 0x02, 0, 0}, {0x4713, 0x03, 0, 0},
515 {0x4407, 0x04, 0, 0}, {0x460b, 0x35, 0, 0}, {0x460c, 0x22, 0, 0},
516 {0x3824, 0x02, 0, 0}, {0x5001, 0xa3, 0, 0},
517};
518
519static const struct reg_value ov5640_setting_15fps_NTSC_720_480[] = {
520 {0x3035, 0x22, 0, 0}, {0x3036, 0x38, 0, 0}, {0x3c07, 0x08, 0, 0},
521 {0x3c09, 0x1c, 0, 0}, {0x3c0a, 0x9c, 0, 0}, {0x3c0b, 0x40, 0, 0},
522 {0x3814, 0x31, 0, 0},
523 {0x3815, 0x31, 0, 0}, {0x3800, 0x00, 0, 0}, {0x3801, 0x00, 0, 0},
524 {0x3802, 0x00, 0, 0}, {0x3803, 0x04, 0, 0}, {0x3804, 0x0a, 0, 0},
525 {0x3805, 0x3f, 0, 0}, {0x3806, 0x07, 0, 0}, {0x3807, 0x9b, 0, 0},
526 {0x3810, 0x00, 0, 0},
527 {0x3811, 0x10, 0, 0}, {0x3812, 0x00, 0, 0}, {0x3813, 0x3c, 0, 0},
528 {0x3618, 0x00, 0, 0}, {0x3612, 0x29, 0, 0}, {0x3708, 0x64, 0, 0},
529 {0x3709, 0x52, 0, 0}, {0x370c, 0x03, 0, 0}, {0x3a02, 0x03, 0, 0},
530 {0x3a03, 0xd8, 0, 0}, {0x3a08, 0x01, 0, 0}, {0x3a09, 0x27, 0, 0},
531 {0x3a0a, 0x00, 0, 0}, {0x3a0b, 0xf6, 0, 0}, {0x3a0e, 0x03, 0, 0},
532 {0x3a0d, 0x04, 0, 0}, {0x3a14, 0x03, 0, 0}, {0x3a15, 0xd8, 0, 0},
533 {0x4001, 0x02, 0, 0}, {0x4004, 0x02, 0, 0}, {0x4713, 0x03, 0, 0},
534 {0x4407, 0x04, 0, 0}, {0x460b, 0x35, 0, 0}, {0x460c, 0x22, 0, 0},
535 {0x3824, 0x02, 0, 0}, {0x5001, 0xa3, 0, 0},
536};
537
538static const struct reg_value ov5640_setting_30fps_PAL_720_576[] = {
539 {0x3035, 0x12, 0, 0}, {0x3036, 0x38, 0, 0}, {0x3c07, 0x08, 0, 0},
540 {0x3c09, 0x1c, 0, 0}, {0x3c0a, 0x9c, 0, 0}, {0x3c0b, 0x40, 0, 0},
541 {0x3814, 0x31, 0, 0},
542 {0x3815, 0x31, 0, 0}, {0x3800, 0x00, 0, 0}, {0x3801, 0x00, 0, 0},
543 {0x3802, 0x00, 0, 0}, {0x3803, 0x04, 0, 0}, {0x3804, 0x0a, 0, 0},
544 {0x3805, 0x3f, 0, 0}, {0x3806, 0x07, 0, 0}, {0x3807, 0x9b, 0, 0},
545 {0x3810, 0x00, 0, 0},
546 {0x3811, 0x38, 0, 0}, {0x3812, 0x00, 0, 0}, {0x3813, 0x06, 0, 0},
547 {0x3618, 0x00, 0, 0}, {0x3612, 0x29, 0, 0}, {0x3708, 0x64, 0, 0},
548 {0x3709, 0x52, 0, 0}, {0x370c, 0x03, 0, 0}, {0x3a02, 0x03, 0, 0},
549 {0x3a03, 0xd8, 0, 0}, {0x3a08, 0x01, 0, 0}, {0x3a09, 0x27, 0, 0},
550 {0x3a0a, 0x00, 0, 0}, {0x3a0b, 0xf6, 0, 0}, {0x3a0e, 0x03, 0, 0},
551 {0x3a0d, 0x04, 0, 0}, {0x3a14, 0x03, 0, 0}, {0x3a15, 0xd8, 0, 0},
552 {0x4001, 0x02, 0, 0}, {0x4004, 0x02, 0, 0}, {0x4713, 0x03, 0, 0},
553 {0x4407, 0x04, 0, 0}, {0x460b, 0x35, 0, 0}, {0x460c, 0x22, 0, 0},
554 {0x3824, 0x02, 0, 0}, {0x5001, 0xa3, 0, 0},
555};
556
557static const struct reg_value ov5640_setting_15fps_PAL_720_576[] = {
558 {0x3035, 0x22, 0, 0}, {0x3036, 0x38, 0, 0}, {0x3c07, 0x08, 0, 0},
559 {0x3c09, 0x1c, 0, 0}, {0x3c0a, 0x9c, 0, 0}, {0x3c0b, 0x40, 0, 0},
560 {0x3814, 0x31, 0, 0},
561 {0x3815, 0x31, 0, 0}, {0x3800, 0x00, 0, 0}, {0x3801, 0x00, 0, 0},
562 {0x3802, 0x00, 0, 0}, {0x3803, 0x04, 0, 0}, {0x3804, 0x0a, 0, 0},
563 {0x3805, 0x3f, 0, 0}, {0x3806, 0x07, 0, 0}, {0x3807, 0x9b, 0, 0},
564 {0x3810, 0x00, 0, 0},
565 {0x3811, 0x38, 0, 0}, {0x3812, 0x00, 0, 0}, {0x3813, 0x06, 0, 0},
566 {0x3618, 0x00, 0, 0}, {0x3612, 0x29, 0, 0}, {0x3708, 0x64, 0, 0},
567 {0x3709, 0x52, 0, 0}, {0x370c, 0x03, 0, 0}, {0x3a02, 0x03, 0, 0},
568 {0x3a03, 0xd8, 0, 0}, {0x3a08, 0x01, 0, 0}, {0x3a09, 0x27, 0, 0},
569 {0x3a0a, 0x00, 0, 0}, {0x3a0b, 0xf6, 0, 0}, {0x3a0e, 0x03, 0, 0},
570 {0x3a0d, 0x04, 0, 0}, {0x3a14, 0x03, 0, 0}, {0x3a15, 0xd8, 0, 0},
571 {0x4001, 0x02, 0, 0}, {0x4004, 0x02, 0, 0}, {0x4713, 0x03, 0, 0},
572 {0x4407, 0x04, 0, 0}, {0x460b, 0x35, 0, 0}, {0x460c, 0x22, 0, 0},
573 {0x3824, 0x02, 0, 0}, {0x5001, 0xa3, 0, 0},
574};
575
576static const struct reg_value ov5640_setting_30fps_720P_1280_720[] = {
577 {0x3008, 0x42, 0, 0},
578 {0x3035, 0x21, 0, 0}, {0x3036, 0x54, 0, 0}, {0x3c07, 0x07, 0, 0},
579 {0x3c09, 0x1c, 0, 0}, {0x3c0a, 0x9c, 0, 0}, {0x3c0b, 0x40, 0, 0},
580 {0x3814, 0x31, 0, 0},
581 {0x3815, 0x31, 0, 0}, {0x3800, 0x00, 0, 0}, {0x3801, 0x00, 0, 0},
582 {0x3802, 0x00, 0, 0}, {0x3803, 0xfa, 0, 0}, {0x3804, 0x0a, 0, 0},
583 {0x3805, 0x3f, 0, 0}, {0x3806, 0x06, 0, 0}, {0x3807, 0xa9, 0, 0},
584 {0x3810, 0x00, 0, 0},
585 {0x3811, 0x10, 0, 0}, {0x3812, 0x00, 0, 0}, {0x3813, 0x04, 0, 0},
586 {0x3618, 0x00, 0, 0}, {0x3612, 0x29, 0, 0}, {0x3708, 0x64, 0, 0},
587 {0x3709, 0x52, 0, 0}, {0x370c, 0x03, 0, 0}, {0x3a02, 0x02, 0, 0},
588 {0x3a03, 0xe4, 0, 0}, {0x3a08, 0x01, 0, 0}, {0x3a09, 0xbc, 0, 0},
589 {0x3a0a, 0x01, 0, 0}, {0x3a0b, 0x72, 0, 0}, {0x3a0e, 0x01, 0, 0},
590 {0x3a0d, 0x02, 0, 0}, {0x3a14, 0x02, 0, 0}, {0x3a15, 0xe4, 0, 0},
591 {0x4001, 0x02, 0, 0}, {0x4004, 0x02, 0, 0}, {0x4713, 0x02, 0, 0},
592 {0x4407, 0x04, 0, 0}, {0x460b, 0x37, 0, 0}, {0x460c, 0x20, 0, 0},
593 {0x3824, 0x04, 0, 0}, {0x5001, 0x83, 0, 0}, {0x4005, 0x1a, 0, 0},
594 {0x3008, 0x02, 0, 0}, {0x3503, 0, 0, 0},
595};
596
597static const struct reg_value ov5640_setting_15fps_720P_1280_720[] = {
598 {0x3035, 0x41, 0, 0}, {0x3036, 0x54, 0, 0}, {0x3c07, 0x07, 0, 0},
599 {0x3c09, 0x1c, 0, 0}, {0x3c0a, 0x9c, 0, 0}, {0x3c0b, 0x40, 0, 0},
600 {0x3814, 0x31, 0, 0},
601 {0x3815, 0x31, 0, 0}, {0x3800, 0x00, 0, 0}, {0x3801, 0x00, 0, 0},
602 {0x3802, 0x00, 0, 0}, {0x3803, 0xfa, 0, 0}, {0x3804, 0x0a, 0, 0},
603 {0x3805, 0x3f, 0, 0}, {0x3806, 0x06, 0, 0}, {0x3807, 0xa9, 0, 0},
604 {0x3810, 0x00, 0, 0},
605 {0x3811, 0x10, 0, 0}, {0x3812, 0x00, 0, 0}, {0x3813, 0x04, 0, 0},
606 {0x3618, 0x00, 0, 0}, {0x3612, 0x29, 0, 0}, {0x3708, 0x64, 0, 0},
607 {0x3709, 0x52, 0, 0}, {0x370c, 0x03, 0, 0}, {0x3a02, 0x02, 0, 0},
608 {0x3a03, 0xe4, 0, 0}, {0x3a08, 0x01, 0, 0}, {0x3a09, 0xbc, 0, 0},
609 {0x3a0a, 0x01, 0, 0}, {0x3a0b, 0x72, 0, 0}, {0x3a0e, 0x01, 0, 0},
610 {0x3a0d, 0x02, 0, 0}, {0x3a14, 0x02, 0, 0}, {0x3a15, 0xe4, 0, 0},
611 {0x4001, 0x02, 0, 0}, {0x4004, 0x02, 0, 0}, {0x4713, 0x02, 0, 0},
612 {0x4407, 0x04, 0, 0}, {0x460b, 0x37, 0, 0}, {0x460c, 0x20, 0, 0},
613 {0x3824, 0x04, 0, 0}, {0x5001, 0x83, 0, 0},
614};
615
616static const struct reg_value ov5640_setting_30fps_1080P_1920_1080[] = {
617 {0x3008, 0x42, 0, 0},
618 {0x3035, 0x21, 0, 0}, {0x3036, 0x54, 0, 0}, {0x3c07, 0x08, 0, 0},
619 {0x3c09, 0x1c, 0, 0}, {0x3c0a, 0x9c, 0, 0}, {0x3c0b, 0x40, 0, 0},
620 {0x3814, 0x11, 0, 0},
621 {0x3815, 0x11, 0, 0}, {0x3800, 0x00, 0, 0}, {0x3801, 0x00, 0, 0},
622 {0x3802, 0x00, 0, 0}, {0x3803, 0x00, 0, 0}, {0x3804, 0x0a, 0, 0},
623 {0x3805, 0x3f, 0, 0}, {0x3806, 0x07, 0, 0}, {0x3807, 0x9f, 0, 0},
624 {0x3810, 0x00, 0, 0},
625 {0x3811, 0x10, 0, 0}, {0x3812, 0x00, 0, 0}, {0x3813, 0x04, 0, 0},
626 {0x3618, 0x04, 0, 0}, {0x3612, 0x29, 0, 0}, {0x3708, 0x21, 0, 0},
627 {0x3709, 0x12, 0, 0}, {0x370c, 0x00, 0, 0}, {0x3a02, 0x03, 0, 0},
628 {0x3a03, 0xd8, 0, 0}, {0x3a08, 0x01, 0, 0}, {0x3a09, 0x27, 0, 0},
629 {0x3a0a, 0x00, 0, 0}, {0x3a0b, 0xf6, 0, 0}, {0x3a0e, 0x03, 0, 0},
630 {0x3a0d, 0x04, 0, 0}, {0x3a14, 0x03, 0, 0}, {0x3a15, 0xd8, 0, 0},
631 {0x4001, 0x02, 0, 0}, {0x4004, 0x06, 0, 0}, {0x4713, 0x03, 0, 0},
632 {0x4407, 0x04, 0, 0}, {0x460b, 0x35, 0, 0}, {0x460c, 0x22, 0, 0},
633 {0x3824, 0x02, 0, 0}, {0x5001, 0x83, 0, 0}, {0x3035, 0x11, 0, 0},
634 {0x3036, 0x54, 0, 0}, {0x3c07, 0x07, 0, 0}, {0x3c08, 0x00, 0, 0},
635 {0x3c09, 0x1c, 0, 0}, {0x3c0a, 0x9c, 0, 0}, {0x3c0b, 0x40, 0, 0},
636 {0x3800, 0x01, 0, 0}, {0x3801, 0x50, 0, 0}, {0x3802, 0x01, 0, 0},
637 {0x3803, 0xb2, 0, 0}, {0x3804, 0x08, 0, 0}, {0x3805, 0xef, 0, 0},
638 {0x3806, 0x05, 0, 0}, {0x3807, 0xf1, 0, 0},
639 {0x3612, 0x2b, 0, 0}, {0x3708, 0x64, 0, 0},
640 {0x3a02, 0x04, 0, 0}, {0x3a03, 0x60, 0, 0}, {0x3a08, 0x01, 0, 0},
641 {0x3a09, 0x50, 0, 0}, {0x3a0a, 0x01, 0, 0}, {0x3a0b, 0x18, 0, 0},
642 {0x3a0e, 0x03, 0, 0}, {0x3a0d, 0x04, 0, 0}, {0x3a14, 0x04, 0, 0},
643 {0x3a15, 0x60, 0, 0}, {0x4713, 0x02, 0, 0}, {0x4407, 0x04, 0, 0},
644 {0x460b, 0x37, 0, 0}, {0x460c, 0x20, 0, 0}, {0x3824, 0x04, 0, 0},
645 {0x4005, 0x1a, 0, 0}, {0x3008, 0x02, 0, 0},
646 {0x3503, 0, 0, 0},
647};
648
649static const struct reg_value ov5640_setting_15fps_1080P_1920_1080[] = {
650 {0x3008, 0x42, 0, 0},
651 {0x3035, 0x21, 0, 0}, {0x3036, 0x54, 0, 0}, {0x3c07, 0x08, 0, 0},
652 {0x3c09, 0x1c, 0, 0}, {0x3c0a, 0x9c, 0, 0}, {0x3c0b, 0x40, 0, 0},
653 {0x3814, 0x11, 0, 0},
654 {0x3815, 0x11, 0, 0}, {0x3800, 0x00, 0, 0}, {0x3801, 0x00, 0, 0},
655 {0x3802, 0x00, 0, 0}, {0x3803, 0x00, 0, 0}, {0x3804, 0x0a, 0, 0},
656 {0x3805, 0x3f, 0, 0}, {0x3806, 0x07, 0, 0}, {0x3807, 0x9f, 0, 0},
657 {0x3810, 0x00, 0, 0},
658 {0x3811, 0x10, 0, 0}, {0x3812, 0x00, 0, 0}, {0x3813, 0x04, 0, 0},
659 {0x3618, 0x04, 0, 0}, {0x3612, 0x29, 0, 0}, {0x3708, 0x21, 0, 0},
660 {0x3709, 0x12, 0, 0}, {0x370c, 0x00, 0, 0}, {0x3a02, 0x03, 0, 0},
661 {0x3a03, 0xd8, 0, 0}, {0x3a08, 0x01, 0, 0}, {0x3a09, 0x27, 0, 0},
662 {0x3a0a, 0x00, 0, 0}, {0x3a0b, 0xf6, 0, 0}, {0x3a0e, 0x03, 0, 0},
663 {0x3a0d, 0x04, 0, 0}, {0x3a14, 0x03, 0, 0}, {0x3a15, 0xd8, 0, 0},
664 {0x4001, 0x02, 0, 0}, {0x4004, 0x06, 0, 0}, {0x4713, 0x03, 0, 0},
665 {0x4407, 0x04, 0, 0}, {0x460b, 0x35, 0, 0}, {0x460c, 0x22, 0, 0},
666 {0x3824, 0x02, 0, 0}, {0x5001, 0x83, 0, 0}, {0x3035, 0x21, 0, 0},
667 {0x3036, 0x54, 0, 1}, {0x3c07, 0x07, 0, 0}, {0x3c08, 0x00, 0, 0},
668 {0x3c09, 0x1c, 0, 0}, {0x3c0a, 0x9c, 0, 0}, {0x3c0b, 0x40, 0, 0},
669 {0x3800, 0x01, 0, 0}, {0x3801, 0x50, 0, 0}, {0x3802, 0x01, 0, 0},
670 {0x3803, 0xb2, 0, 0}, {0x3804, 0x08, 0, 0}, {0x3805, 0xef, 0, 0},
671 {0x3806, 0x05, 0, 0}, {0x3807, 0xf1, 0, 0},
672 {0x3612, 0x2b, 0, 0}, {0x3708, 0x64, 0, 0},
673 {0x3a02, 0x04, 0, 0}, {0x3a03, 0x60, 0, 0}, {0x3a08, 0x01, 0, 0},
674 {0x3a09, 0x50, 0, 0}, {0x3a0a, 0x01, 0, 0}, {0x3a0b, 0x18, 0, 0},
675 {0x3a0e, 0x03, 0, 0}, {0x3a0d, 0x04, 0, 0}, {0x3a14, 0x04, 0, 0},
676 {0x3a15, 0x60, 0, 0}, {0x4713, 0x02, 0, 0}, {0x4407, 0x04, 0, 0},
677 {0x460b, 0x37, 0, 0}, {0x460c, 0x20, 0, 0}, {0x3824, 0x04, 0, 0},
678 {0x4005, 0x1a, 0, 0}, {0x3008, 0x02, 0, 0}, {0x3503, 0, 0, 0},
679};
680
681static const struct reg_value ov5640_setting_15fps_QSXGA_2592_1944[] = {
682 {0x3035, 0x21, 0, 0}, {0x3036, 0x54, 0, 0}, {0x3c07, 0x08, 0, 0},
683 {0x3c09, 0x1c, 0, 0}, {0x3c0a, 0x9c, 0, 0}, {0x3c0b, 0x40, 0, 0},
684 {0x3814, 0x11, 0, 0},
685 {0x3815, 0x11, 0, 0}, {0x3800, 0x00, 0, 0}, {0x3801, 0x00, 0, 0},
686 {0x3802, 0x00, 0, 0}, {0x3803, 0x00, 0, 0}, {0x3804, 0x0a, 0, 0},
687 {0x3805, 0x3f, 0, 0}, {0x3806, 0x07, 0, 0}, {0x3807, 0x9f, 0, 0},
688 {0x3810, 0x00, 0, 0},
689 {0x3811, 0x10, 0, 0}, {0x3812, 0x00, 0, 0}, {0x3813, 0x04, 0, 0},
690 {0x3618, 0x04, 0, 0}, {0x3612, 0x29, 0, 0}, {0x3708, 0x21, 0, 0},
691 {0x3709, 0x12, 0, 0}, {0x370c, 0x00, 0, 0}, {0x3a02, 0x03, 0, 0},
692 {0x3a03, 0xd8, 0, 0}, {0x3a08, 0x01, 0, 0}, {0x3a09, 0x27, 0, 0},
693 {0x3a0a, 0x00, 0, 0}, {0x3a0b, 0xf6, 0, 0}, {0x3a0e, 0x03, 0, 0},
694 {0x3a0d, 0x04, 0, 0}, {0x3a14, 0x03, 0, 0}, {0x3a15, 0xd8, 0, 0},
695 {0x4001, 0x02, 0, 0}, {0x4004, 0x06, 0, 0}, {0x4713, 0x03, 0, 0},
696 {0x4407, 0x04, 0, 0}, {0x460b, 0x35, 0, 0}, {0x460c, 0x22, 0, 0},
697 {0x3824, 0x02, 0, 0}, {0x5001, 0x83, 0, 70},
698};
699
700/* power-on sensor init reg table */
701static const struct ov5640_mode_info ov5640_mode_init_data = {
702 0, SUBSAMPLING, 640, 1896, 480, 984,
703 ov5640_init_setting_30fps_VGA,
704 ARRAY_SIZE(ov5640_init_setting_30fps_VGA),
705};
706
707static const struct ov5640_mode_info
708ov5640_mode_data[OV5640_NUM_FRAMERATES][OV5640_NUM_MODES] = {
709 {
710 {OV5640_MODE_QCIF_176_144, SUBSAMPLING,
711 176, 1896, 144, 984,
712 ov5640_setting_15fps_QCIF_176_144,
713 ARRAY_SIZE(ov5640_setting_15fps_QCIF_176_144)},
714 {OV5640_MODE_QVGA_320_240, SUBSAMPLING,
715 320, 1896, 240, 984,
716 ov5640_setting_15fps_QVGA_320_240,
717 ARRAY_SIZE(ov5640_setting_15fps_QVGA_320_240)},
718 {OV5640_MODE_VGA_640_480, SUBSAMPLING,
719 640, 1896, 480, 1080,
720 ov5640_setting_15fps_VGA_640_480,
721 ARRAY_SIZE(ov5640_setting_15fps_VGA_640_480)},
722 {OV5640_MODE_NTSC_720_480, SUBSAMPLING,
723 720, 1896, 480, 984,
724 ov5640_setting_15fps_NTSC_720_480,
725 ARRAY_SIZE(ov5640_setting_15fps_NTSC_720_480)},
726 {OV5640_MODE_PAL_720_576, SUBSAMPLING,
727 720, 1896, 576, 984,
728 ov5640_setting_15fps_PAL_720_576,
729 ARRAY_SIZE(ov5640_setting_15fps_PAL_720_576)},
730 {OV5640_MODE_XGA_1024_768, SUBSAMPLING,
731 1024, 1896, 768, 1080,
732 ov5640_setting_15fps_XGA_1024_768,
733 ARRAY_SIZE(ov5640_setting_15fps_XGA_1024_768)},
734 {OV5640_MODE_720P_1280_720, SUBSAMPLING,
735 1280, 1892, 720, 740,
736 ov5640_setting_15fps_720P_1280_720,
737 ARRAY_SIZE(ov5640_setting_15fps_720P_1280_720)},
738 {OV5640_MODE_1080P_1920_1080, SCALING,
739 1920, 2500, 1080, 1120,
740 ov5640_setting_15fps_1080P_1920_1080,
741 ARRAY_SIZE(ov5640_setting_15fps_1080P_1920_1080)},
742 {OV5640_MODE_QSXGA_2592_1944, SCALING,
743 2592, 2844, 1944, 1968,
744 ov5640_setting_15fps_QSXGA_2592_1944,
745 ARRAY_SIZE(ov5640_setting_15fps_QSXGA_2592_1944)},
746 }, {
747 {OV5640_MODE_QCIF_176_144, SUBSAMPLING,
748 176, 1896, 144, 984,
749 ov5640_setting_30fps_QCIF_176_144,
750 ARRAY_SIZE(ov5640_setting_30fps_QCIF_176_144)},
751 {OV5640_MODE_QVGA_320_240, SUBSAMPLING,
752 320, 1896, 240, 984,
753 ov5640_setting_30fps_QVGA_320_240,
754 ARRAY_SIZE(ov5640_setting_30fps_QVGA_320_240)},
755 {OV5640_MODE_VGA_640_480, SUBSAMPLING,
756 640, 1896, 480, 1080,
757 ov5640_setting_30fps_VGA_640_480,
758 ARRAY_SIZE(ov5640_setting_30fps_VGA_640_480)},
759 {OV5640_MODE_NTSC_720_480, SUBSAMPLING,
760 720, 1896, 480, 984,
761 ov5640_setting_30fps_NTSC_720_480,
762 ARRAY_SIZE(ov5640_setting_30fps_NTSC_720_480)},
763 {OV5640_MODE_PAL_720_576, SUBSAMPLING,
764 720, 1896, 576, 984,
765 ov5640_setting_30fps_PAL_720_576,
766 ARRAY_SIZE(ov5640_setting_30fps_PAL_720_576)},
767 {OV5640_MODE_XGA_1024_768, SUBSAMPLING,
768 1024, 1896, 768, 1080,
769 ov5640_setting_30fps_XGA_1024_768,
770 ARRAY_SIZE(ov5640_setting_30fps_XGA_1024_768)},
771 {OV5640_MODE_720P_1280_720, SUBSAMPLING,
772 1280, 1892, 720, 740,
773 ov5640_setting_30fps_720P_1280_720,
774 ARRAY_SIZE(ov5640_setting_30fps_720P_1280_720)},
775 {OV5640_MODE_1080P_1920_1080, SCALING,
776 1920, 2500, 1080, 1120,
777 ov5640_setting_30fps_1080P_1920_1080,
778 ARRAY_SIZE(ov5640_setting_30fps_1080P_1920_1080)},
779 {OV5640_MODE_QSXGA_2592_1944, -1, 0, 0, 0, 0, NULL, 0},
780 },
781};
782
783static int ov5640_init_slave_id(struct ov5640_dev *sensor)
784{
785 struct i2c_client *client = sensor->i2c_client;
786 struct i2c_msg msg;
787 u8 buf[3];
788 int ret;
789
790 if (client->addr == OV5640_DEFAULT_SLAVE_ID)
791 return 0;
792
793 buf[0] = OV5640_REG_SLAVE_ID >> 8;
794 buf[1] = OV5640_REG_SLAVE_ID & 0xff;
795 buf[2] = client->addr << 1;
796
797 msg.addr = OV5640_DEFAULT_SLAVE_ID;
798 msg.flags = 0;
799 msg.buf = buf;
800 msg.len = sizeof(buf);
801
802 ret = i2c_transfer(client->adapter, &msg, 1);
803 if (ret < 0) {
804 dev_err(&client->dev, "%s: failed with %d\n", __func__, ret);
805 return ret;
806 }
807
808 return 0;
809}
810
811static int ov5640_write_reg(struct ov5640_dev *sensor, u16 reg, u8 val)
812{
813 struct i2c_client *client = sensor->i2c_client;
814 struct i2c_msg msg;
815 u8 buf[3];
816 int ret;
817
818 buf[0] = reg >> 8;
819 buf[1] = reg & 0xff;
820 buf[2] = val;
821
822 msg.addr = client->addr;
823 msg.flags = client->flags;
824 msg.buf = buf;
825 msg.len = sizeof(buf);
826
827 ret = i2c_transfer(client->adapter, &msg, 1);
828 if (ret < 0) {
829 dev_err(&client->dev, "%s: error: reg=%x, val=%x\n",
830 __func__, reg, val);
831 return ret;
832 }
833
834 return 0;
835}
836
837static int ov5640_read_reg(struct ov5640_dev *sensor, u16 reg, u8 *val)
838{
839 struct i2c_client *client = sensor->i2c_client;
840 struct i2c_msg msg[2];
841 u8 buf[2];
842 int ret;
843
844 buf[0] = reg >> 8;
845 buf[1] = reg & 0xff;
846
847 msg[0].addr = client->addr;
848 msg[0].flags = client->flags;
849 msg[0].buf = buf;
850 msg[0].len = sizeof(buf);
851
852 msg[1].addr = client->addr;
853 msg[1].flags = client->flags | I2C_M_RD;
854 msg[1].buf = buf;
855 msg[1].len = 1;
856
857 ret = i2c_transfer(client->adapter, msg, 2);
858 if (ret < 0) {
859 dev_err(&client->dev, "%s: error: reg=%x\n",
860 __func__, reg);
861 return ret;
862 }
863
864 *val = buf[0];
865 return 0;
866}
867
868static int ov5640_read_reg16(struct ov5640_dev *sensor, u16 reg, u16 *val)
869{
870 u8 hi, lo;
871 int ret;
872
873 ret = ov5640_read_reg(sensor, reg, &hi);
874 if (ret)
875 return ret;
876 ret = ov5640_read_reg(sensor, reg + 1, &lo);
877 if (ret)
878 return ret;
879
880 *val = ((u16)hi << 8) | (u16)lo;
881 return 0;
882}
883
884static int ov5640_write_reg16(struct ov5640_dev *sensor, u16 reg, u16 val)
885{
886 int ret;
887
888 ret = ov5640_write_reg(sensor, reg, val >> 8);
889 if (ret)
890 return ret;
891
892 return ov5640_write_reg(sensor, reg + 1, val & 0xff);
893}
894
895static int ov5640_mod_reg(struct ov5640_dev *sensor, u16 reg,
896 u8 mask, u8 val)
897{
898 u8 readval;
899 int ret;
900
901 ret = ov5640_read_reg(sensor, reg, &readval);
902 if (ret)
903 return ret;
904
905 readval &= ~mask;
906 val &= mask;
907 val |= readval;
908
909 return ov5640_write_reg(sensor, reg, val);
910}
911
912/* download ov5640 settings to sensor through i2c */
913static int ov5640_set_timings(struct ov5640_dev *sensor,
914 const struct ov5640_mode_info *mode)
915{
916 int ret;
917
918 ret = ov5640_write_reg16(sensor, OV5640_REG_TIMING_DVPHO, mode->hact);
919 if (ret < 0)
920 return ret;
921
922 ret = ov5640_write_reg16(sensor, OV5640_REG_TIMING_DVPVO, mode->vact);
923 if (ret < 0)
924 return ret;
925
926 ret = ov5640_write_reg16(sensor, OV5640_REG_TIMING_HTS, mode->htot);
927 if (ret < 0)
928 return ret;
929
930 return ov5640_write_reg16(sensor, OV5640_REG_TIMING_VTS, mode->vtot);
931}
932
933static int ov5640_load_regs(struct ov5640_dev *sensor,
934 const struct ov5640_mode_info *mode)
935{
936 const struct reg_value *regs = mode->reg_data;
937 unsigned int i;
938 u32 delay_ms;
939 u16 reg_addr;
940 u8 mask, val;
941 int ret = 0;
942
943 for (i = 0; i < mode->reg_data_size; ++i, ++regs) {
944 delay_ms = regs->delay_ms;
945 reg_addr = regs->reg_addr;
946 val = regs->val;
947 mask = regs->mask;
948
949 if (mask)
950 ret = ov5640_mod_reg(sensor, reg_addr, mask, val);
951 else
952 ret = ov5640_write_reg(sensor, reg_addr, val);
953 if (ret)
954 break;
955
956 if (delay_ms)
957 usleep_range(1000 * delay_ms, 1000 * delay_ms + 100);
958 }
959
960 return ov5640_set_timings(sensor, mode);
961}
962
963static int ov5640_set_autoexposure(struct ov5640_dev *sensor, bool on)
964{
965 return ov5640_mod_reg(sensor, OV5640_REG_AEC_PK_MANUAL,
966 BIT(0), on ? 0 : BIT(0));
967}
968
969/* read exposure, in number of line periods */
970static int ov5640_get_exposure(struct ov5640_dev *sensor)
971{
972 int exp, ret;
973 u8 temp;
974
975 ret = ov5640_read_reg(sensor, OV5640_REG_AEC_PK_EXPOSURE_HI, &temp);
976 if (ret)
977 return ret;
978 exp = ((int)temp & 0x0f) << 16;
979 ret = ov5640_read_reg(sensor, OV5640_REG_AEC_PK_EXPOSURE_MED, &temp);
980 if (ret)
981 return ret;
982 exp |= ((int)temp << 8);
983 ret = ov5640_read_reg(sensor, OV5640_REG_AEC_PK_EXPOSURE_LO, &temp);
984 if (ret)
985 return ret;
986 exp |= (int)temp;
987
988 return exp >> 4;
989}
990
991/* write exposure, given number of line periods */
992static int ov5640_set_exposure(struct ov5640_dev *sensor, u32 exposure)
993{
994 int ret;
995
996 exposure <<= 4;
997
998 ret = ov5640_write_reg(sensor,
999 OV5640_REG_AEC_PK_EXPOSURE_LO,
1000 exposure & 0xff);
1001 if (ret)
1002 return ret;
1003 ret = ov5640_write_reg(sensor,
1004 OV5640_REG_AEC_PK_EXPOSURE_MED,
1005 (exposure >> 8) & 0xff);
1006 if (ret)
1007 return ret;
1008 return ov5640_write_reg(sensor,
1009 OV5640_REG_AEC_PK_EXPOSURE_HI,
1010 (exposure >> 16) & 0x0f);
1011}
1012
1013static int ov5640_get_gain(struct ov5640_dev *sensor)
1014{
1015 u16 gain;
1016 int ret;
1017
1018 ret = ov5640_read_reg16(sensor, OV5640_REG_AEC_PK_REAL_GAIN, &gain);
1019 if (ret)
1020 return ret;
1021
1022 return gain & 0x3ff;
1023}
1024
1025static int ov5640_set_gain(struct ov5640_dev *sensor, int gain)
1026{
1027 return ov5640_write_reg16(sensor, OV5640_REG_AEC_PK_REAL_GAIN,
1028 (u16)gain & 0x3ff);
1029}
1030
1031static int ov5640_set_autogain(struct ov5640_dev *sensor, bool on)
1032{
1033 return ov5640_mod_reg(sensor, OV5640_REG_AEC_PK_MANUAL,
1034 BIT(1), on ? 0 : BIT(1));
1035}
1036
1037static int ov5640_set_stream_dvp(struct ov5640_dev *sensor, bool on)
1038{
1039 int ret;
1040 unsigned int flags = sensor->ep.bus.parallel.flags;
1041 u8 pclk_pol = 0;
1042 u8 hsync_pol = 0;
1043 u8 vsync_pol = 0;
1044
1045 /*
1046 * Note about parallel port configuration.
1047 *
1048 * When configured in parallel mode, the OV5640 will
1049 * output 10 bits data on DVP data lines [9:0].
1050 * If only 8 bits data are wanted, the 8 bits data lines
1051 * of the camera interface must be physically connected
1052 * on the DVP data lines [9:2].
1053 *
1054 * Control lines polarity can be configured through
1055 * devicetree endpoint control lines properties.
1056 * If no endpoint control lines properties are set,
1057 * polarity will be as below:
1058 * - VSYNC: active high
1059 * - HREF: active low
1060 * - PCLK: active low
1061 */
1062
1063 if (on) {
1064 /*
1065 * reset MIPI PCLK/SERCLK divider
1066 *
1067 * SC PLL CONTRL1 0
1068 * - [3..0]: MIPI PCLK/SERCLK divider
1069 */
1070 ret = ov5640_mod_reg(sensor, OV5640_REG_SC_PLL_CTRL1, 0x0f, 0);
1071 if (ret)
1072 return ret;
1073
1074 /*
1075 * configure parallel port control lines polarity
1076 *
1077 * POLARITY CTRL0
1078 * - [5]: PCLK polarity (0: active low, 1: active high)
1079 * - [1]: HREF polarity (0: active low, 1: active high)
1080 * - [0]: VSYNC polarity (mismatch here between
1081 * datasheet and hardware, 0 is active high
1082 * and 1 is active low...)
1083 */
1084 if (flags & V4L2_MBUS_PCLK_SAMPLE_RISING)
1085 pclk_pol = 1;
1086 if (flags & V4L2_MBUS_HSYNC_ACTIVE_HIGH)
1087 hsync_pol = 1;
1088 if (flags & V4L2_MBUS_VSYNC_ACTIVE_LOW)
1089 vsync_pol = 1;
1090
1091 ret = ov5640_write_reg(sensor,
1092 OV5640_REG_POLARITY_CTRL00,
1093 (pclk_pol << 5) |
1094 (hsync_pol << 1) |
1095 vsync_pol);
1096
1097 if (ret)
1098 return ret;
1099 }
1100
1101 /*
1102 * powerdown MIPI TX/RX PHY & disable MIPI
1103 *
1104 * MIPI CONTROL 00
1105 * 4: PWDN PHY TX
1106 * 3: PWDN PHY RX
1107 * 2: MIPI enable
1108 */
1109 ret = ov5640_write_reg(sensor,
1110 OV5640_REG_IO_MIPI_CTRL00, on ? 0x18 : 0);
1111 if (ret)
1112 return ret;
1113
1114 /*
1115 * enable VSYNC/HREF/PCLK DVP control lines
1116 * & D[9:6] DVP data lines
1117 *
1118 * PAD OUTPUT ENABLE 01
1119 * - 6: VSYNC output enable
1120 * - 5: HREF output enable
1121 * - 4: PCLK output enable
1122 * - [3:0]: D[9:6] output enable
1123 */
1124 ret = ov5640_write_reg(sensor,
1125 OV5640_REG_PAD_OUTPUT_ENABLE01,
1126 on ? 0x7f : 0);
1127 if (ret)
1128 return ret;
1129
1130 /*
1131 * enable D[5:0] DVP data lines
1132 *
1133 * PAD OUTPUT ENABLE 02
1134 * - [7:2]: D[5:0] output enable
1135 */
1136 return ov5640_write_reg(sensor,
1137 OV5640_REG_PAD_OUTPUT_ENABLE02,
1138 on ? 0xfc : 0);
1139}
1140
1141static int ov5640_set_stream_mipi(struct ov5640_dev *sensor, bool on)
1142{
1143 int ret;
1144
1145 /*
1146 * Enable/disable the MIPI interface
1147 *
1148 * 0x300e = on ? 0x45 : 0x40
1149 *
1150 * FIXME: the sensor manual (version 2.03) reports
1151 * [7:5] = 000 : 1 data lane mode
1152 * [7:5] = 001 : 2 data lanes mode
1153 * But this settings do not work, while the following ones
1154 * have been validated for 2 data lanes mode.
1155 *
1156 * [7:5] = 010 : 2 data lanes mode
1157 * [4] = 0 : Power up MIPI HS Tx
1158 * [3] = 0 : Power up MIPI LS Rx
1159 * [2] = 1/0 : MIPI interface enable/disable
1160 * [1:0] = 01/00: FIXME: 'debug'
1161 */
1162 ret = ov5640_write_reg(sensor, OV5640_REG_IO_MIPI_CTRL00,
1163 on ? 0x45 : 0x40);
1164 if (ret)
1165 return ret;
1166
1167 return ov5640_write_reg(sensor, OV5640_REG_FRAME_CTRL01,
1168 on ? 0x00 : 0x0f);
1169}
1170
1171static int ov5640_get_sysclk(struct ov5640_dev *sensor)
1172{
1173 /* calculate sysclk */
1174 u32 xvclk = sensor->xclk_freq / 10000;
1175 u32 multiplier, prediv, VCO, sysdiv, pll_rdiv;
1176 u32 sclk_rdiv_map[] = {1, 2, 4, 8};
1177 u32 bit_div2x = 1, sclk_rdiv, sysclk;
1178 u8 temp1, temp2;
1179 int ret;
1180
1181 ret = ov5640_read_reg(sensor, OV5640_REG_SC_PLL_CTRL0, &temp1);
1182 if (ret)
1183 return ret;
1184 temp2 = temp1 & 0x0f;
1185 if (temp2 == 8 || temp2 == 10)
1186 bit_div2x = temp2 / 2;
1187
1188 ret = ov5640_read_reg(sensor, OV5640_REG_SC_PLL_CTRL1, &temp1);
1189 if (ret)
1190 return ret;
1191 sysdiv = temp1 >> 4;
1192 if (sysdiv == 0)
1193 sysdiv = 16;
1194
1195 ret = ov5640_read_reg(sensor, OV5640_REG_SC_PLL_CTRL2, &temp1);
1196 if (ret)
1197 return ret;
1198 multiplier = temp1;
1199
1200 ret = ov5640_read_reg(sensor, OV5640_REG_SC_PLL_CTRL3, &temp1);
1201 if (ret)
1202 return ret;
1203 prediv = temp1 & 0x0f;
1204 pll_rdiv = ((temp1 >> 4) & 0x01) + 1;
1205
1206 ret = ov5640_read_reg(sensor, OV5640_REG_SYS_ROOT_DIVIDER, &temp1);
1207 if (ret)
1208 return ret;
1209 temp2 = temp1 & 0x03;
1210 sclk_rdiv = sclk_rdiv_map[temp2];
1211
1212 if (!prediv || !sysdiv || !pll_rdiv || !bit_div2x)
1213 return -EINVAL;
1214
1215 VCO = xvclk * multiplier / prediv;
1216
1217 sysclk = VCO / sysdiv / pll_rdiv * 2 / bit_div2x / sclk_rdiv;
1218
1219 return sysclk;
1220}
1221
1222static int ov5640_set_night_mode(struct ov5640_dev *sensor)
1223{
1224 /* read HTS from register settings */
1225 u8 mode;
1226 int ret;
1227
1228 ret = ov5640_read_reg(sensor, OV5640_REG_AEC_CTRL00, &mode);
1229 if (ret)
1230 return ret;
1231 mode &= 0xfb;
1232 return ov5640_write_reg(sensor, OV5640_REG_AEC_CTRL00, mode);
1233}
1234
1235static int ov5640_get_hts(struct ov5640_dev *sensor)
1236{
1237 /* read HTS from register settings */
1238 u16 hts;
1239 int ret;
1240
1241 ret = ov5640_read_reg16(sensor, OV5640_REG_TIMING_HTS, &hts);
1242 if (ret)
1243 return ret;
1244 return hts;
1245}
1246
1247static int ov5640_get_vts(struct ov5640_dev *sensor)
1248{
1249 u16 vts;
1250 int ret;
1251
1252 ret = ov5640_read_reg16(sensor, OV5640_REG_TIMING_VTS, &vts);
1253 if (ret)
1254 return ret;
1255 return vts;
1256}
1257
1258static int ov5640_set_vts(struct ov5640_dev *sensor, int vts)
1259{
1260 return ov5640_write_reg16(sensor, OV5640_REG_TIMING_VTS, vts);
1261}
1262
1263static int ov5640_get_light_freq(struct ov5640_dev *sensor)
1264{
1265 /* get banding filter value */
1266 int ret, light_freq = 0;
1267 u8 temp, temp1;
1268
1269 ret = ov5640_read_reg(sensor, OV5640_REG_HZ5060_CTRL01, &temp);
1270 if (ret)
1271 return ret;
1272
1273 if (temp & 0x80) {
1274 /* manual */
1275 ret = ov5640_read_reg(sensor, OV5640_REG_HZ5060_CTRL00,
1276 &temp1);
1277 if (ret)
1278 return ret;
1279 if (temp1 & 0x04) {
1280 /* 50Hz */
1281 light_freq = 50;
1282 } else {
1283 /* 60Hz */
1284 light_freq = 60;
1285 }
1286 } else {
1287 /* auto */
1288 ret = ov5640_read_reg(sensor, OV5640_REG_SIGMADELTA_CTRL0C,
1289 &temp1);
1290 if (ret)
1291 return ret;
1292
1293 if (temp1 & 0x01) {
1294 /* 50Hz */
1295 light_freq = 50;
1296 } else {
1297 /* 60Hz */
1298 }
1299 }
1300
1301 return light_freq;
1302}
1303
1304static int ov5640_set_bandingfilter(struct ov5640_dev *sensor)
1305{
1306 u32 band_step60, max_band60, band_step50, max_band50, prev_vts;
1307 int ret;
1308
1309 /* read preview PCLK */
1310 ret = ov5640_get_sysclk(sensor);
1311 if (ret < 0)
1312 return ret;
1313 if (ret == 0)
1314 return -EINVAL;
1315 sensor->prev_sysclk = ret;
1316 /* read preview HTS */
1317 ret = ov5640_get_hts(sensor);
1318 if (ret < 0)
1319 return ret;
1320 if (ret == 0)
1321 return -EINVAL;
1322 sensor->prev_hts = ret;
1323
1324 /* read preview VTS */
1325 ret = ov5640_get_vts(sensor);
1326 if (ret < 0)
1327 return ret;
1328 prev_vts = ret;
1329
1330 /* calculate banding filter */
1331 /* 60Hz */
1332 band_step60 = sensor->prev_sysclk * 100 / sensor->prev_hts * 100 / 120;
1333 ret = ov5640_write_reg16(sensor, OV5640_REG_AEC_B60_STEP, band_step60);
1334 if (ret)
1335 return ret;
1336 if (!band_step60)
1337 return -EINVAL;
1338 max_band60 = (int)((prev_vts - 4) / band_step60);
1339 ret = ov5640_write_reg(sensor, OV5640_REG_AEC_CTRL0D, max_band60);
1340 if (ret)
1341 return ret;
1342
1343 /* 50Hz */
1344 band_step50 = sensor->prev_sysclk * 100 / sensor->prev_hts;
1345 ret = ov5640_write_reg16(sensor, OV5640_REG_AEC_B50_STEP, band_step50);
1346 if (ret)
1347 return ret;
1348 if (!band_step50)
1349 return -EINVAL;
1350 max_band50 = (int)((prev_vts - 4) / band_step50);
1351 return ov5640_write_reg(sensor, OV5640_REG_AEC_CTRL0E, max_band50);
1352}
1353
1354static int ov5640_set_ae_target(struct ov5640_dev *sensor, int target)
1355{
1356 /* stable in high */
1357 u32 fast_high, fast_low;
1358 int ret;
1359
1360 sensor->ae_low = target * 23 / 25; /* 0.92 */
1361 sensor->ae_high = target * 27 / 25; /* 1.08 */
1362
1363 fast_high = sensor->ae_high << 1;
1364 if (fast_high > 255)
1365 fast_high = 255;
1366
1367 fast_low = sensor->ae_low >> 1;
1368
1369 ret = ov5640_write_reg(sensor, OV5640_REG_AEC_CTRL0F, sensor->ae_high);
1370 if (ret)
1371 return ret;
1372 ret = ov5640_write_reg(sensor, OV5640_REG_AEC_CTRL10, sensor->ae_low);
1373 if (ret)
1374 return ret;
1375 ret = ov5640_write_reg(sensor, OV5640_REG_AEC_CTRL1B, sensor->ae_high);
1376 if (ret)
1377 return ret;
1378 ret = ov5640_write_reg(sensor, OV5640_REG_AEC_CTRL1E, sensor->ae_low);
1379 if (ret)
1380 return ret;
1381 ret = ov5640_write_reg(sensor, OV5640_REG_AEC_CTRL11, fast_high);
1382 if (ret)
1383 return ret;
1384 return ov5640_write_reg(sensor, OV5640_REG_AEC_CTRL1F, fast_low);
1385}
1386
1387static int ov5640_get_binning(struct ov5640_dev *sensor)
1388{
1389 u8 temp;
1390 int ret;
1391
1392 ret = ov5640_read_reg(sensor, OV5640_REG_TIMING_TC_REG21, &temp);
1393 if (ret)
1394 return ret;
1395
1396 return temp & BIT(0);
1397}
1398
1399static int ov5640_set_binning(struct ov5640_dev *sensor, bool enable)
1400{
1401 int ret;
1402
1403 /*
1404 * TIMING TC REG21:
1405 * - [0]: Horizontal binning enable
1406 */
1407 ret = ov5640_mod_reg(sensor, OV5640_REG_TIMING_TC_REG21,
1408 BIT(0), enable ? BIT(0) : 0);
1409 if (ret)
1410 return ret;
1411 /*
1412 * TIMING TC REG20:
1413 * - [0]: Undocumented, but hardcoded init sequences
1414 * are always setting REG21/REG20 bit 0 to same value...
1415 */
1416 return ov5640_mod_reg(sensor, OV5640_REG_TIMING_TC_REG20,
1417 BIT(0), enable ? BIT(0) : 0);
1418}
1419
1420static int ov5640_set_virtual_channel(struct ov5640_dev *sensor)
1421{
1422 struct i2c_client *client = sensor->i2c_client;
1423 u8 temp, channel = virtual_channel;
1424 int ret;
1425
1426 if (channel > 3) {
1427 dev_err(&client->dev,
1428 "%s: wrong virtual_channel parameter, expected (0..3), got %d\n",
1429 __func__, channel);
1430 return -EINVAL;
1431 }
1432
1433 ret = ov5640_read_reg(sensor, OV5640_REG_DEBUG_MODE, &temp);
1434 if (ret)
1435 return ret;
1436 temp &= ~(3 << 6);
1437 temp |= (channel << 6);
1438 return ov5640_write_reg(sensor, OV5640_REG_DEBUG_MODE, temp);
1439}
1440
1441static const struct ov5640_mode_info *
1442ov5640_find_mode(struct ov5640_dev *sensor, enum ov5640_frame_rate fr,
1443 int width, int height, bool nearest)
1444{
1445 const struct ov5640_mode_info *mode;
1446
1447 mode = v4l2_find_nearest_size(ov5640_mode_data[fr],
1448 ARRAY_SIZE(ov5640_mode_data[fr]),
1449 hact, vact,
1450 width, height);
1451
1452 if (!mode ||
1453 (!nearest && (mode->hact != width || mode->vact != height)))
1454 return NULL;
1455
1456 return mode;
1457}
1458
1459/*
1460 * sensor changes between scaling and subsampling, go through
1461 * exposure calculation
1462 */
1463static int ov5640_set_mode_exposure_calc(struct ov5640_dev *sensor,
1464 const struct ov5640_mode_info *mode)
1465{
1466 u32 prev_shutter, prev_gain16;
1467 u32 cap_shutter, cap_gain16;
1468 u32 cap_sysclk, cap_hts, cap_vts;
1469 u32 light_freq, cap_bandfilt, cap_maxband;
1470 u32 cap_gain16_shutter;
1471 u8 average;
1472 int ret;
1473
1474 if (!mode->reg_data)
1475 return -EINVAL;
1476
1477 /* read preview shutter */
1478 ret = ov5640_get_exposure(sensor);
1479 if (ret < 0)
1480 return ret;
1481 prev_shutter = ret;
1482 ret = ov5640_get_binning(sensor);
1483 if (ret < 0)
1484 return ret;
1485 if (ret && mode->id != OV5640_MODE_720P_1280_720 &&
1486 mode->id != OV5640_MODE_1080P_1920_1080)
1487 prev_shutter *= 2;
1488
1489 /* read preview gain */
1490 ret = ov5640_get_gain(sensor);
1491 if (ret < 0)
1492 return ret;
1493 prev_gain16 = ret;
1494
1495 /* get average */
1496 ret = ov5640_read_reg(sensor, OV5640_REG_AVG_READOUT, &average);
1497 if (ret)
1498 return ret;
1499
1500 /* turn off night mode for capture */
1501 ret = ov5640_set_night_mode(sensor);
1502 if (ret < 0)
1503 return ret;
1504
1505 /* Write capture setting */
1506 ret = ov5640_load_regs(sensor, mode);
1507 if (ret < 0)
1508 return ret;
1509
1510 /* read capture VTS */
1511 ret = ov5640_get_vts(sensor);
1512 if (ret < 0)
1513 return ret;
1514 cap_vts = ret;
1515 ret = ov5640_get_hts(sensor);
1516 if (ret < 0)
1517 return ret;
1518 if (ret == 0)
1519 return -EINVAL;
1520 cap_hts = ret;
1521
1522 ret = ov5640_get_sysclk(sensor);
1523 if (ret < 0)
1524 return ret;
1525 if (ret == 0)
1526 return -EINVAL;
1527 cap_sysclk = ret;
1528
1529 /* calculate capture banding filter */
1530 ret = ov5640_get_light_freq(sensor);
1531 if (ret < 0)
1532 return ret;
1533 light_freq = ret;
1534
1535 if (light_freq == 60) {
1536 /* 60Hz */
1537 cap_bandfilt = cap_sysclk * 100 / cap_hts * 100 / 120;
1538 } else {
1539 /* 50Hz */
1540 cap_bandfilt = cap_sysclk * 100 / cap_hts;
1541 }
1542
1543 if (!sensor->prev_sysclk) {
1544 ret = ov5640_get_sysclk(sensor);
1545 if (ret < 0)
1546 return ret;
1547 if (ret == 0)
1548 return -EINVAL;
1549 sensor->prev_sysclk = ret;
1550 }
1551
1552 if (!cap_bandfilt)
1553 return -EINVAL;
1554
1555 cap_maxband = (int)((cap_vts - 4) / cap_bandfilt);
1556
1557 /* calculate capture shutter/gain16 */
1558 if (average > sensor->ae_low && average < sensor->ae_high) {
1559 /* in stable range */
1560 cap_gain16_shutter =
1561 prev_gain16 * prev_shutter *
1562 cap_sysclk / sensor->prev_sysclk *
1563 sensor->prev_hts / cap_hts *
1564 sensor->ae_target / average;
1565 } else {
1566 cap_gain16_shutter =
1567 prev_gain16 * prev_shutter *
1568 cap_sysclk / sensor->prev_sysclk *
1569 sensor->prev_hts / cap_hts;
1570 }
1571
1572 /* gain to shutter */
1573 if (cap_gain16_shutter < (cap_bandfilt * 16)) {
1574 /* shutter < 1/100 */
1575 cap_shutter = cap_gain16_shutter / 16;
1576 if (cap_shutter < 1)
1577 cap_shutter = 1;
1578
1579 cap_gain16 = cap_gain16_shutter / cap_shutter;
1580 if (cap_gain16 < 16)
1581 cap_gain16 = 16;
1582 } else {
1583 if (cap_gain16_shutter > (cap_bandfilt * cap_maxband * 16)) {
1584 /* exposure reach max */
1585 cap_shutter = cap_bandfilt * cap_maxband;
1586 if (!cap_shutter)
1587 return -EINVAL;
1588
1589 cap_gain16 = cap_gain16_shutter / cap_shutter;
1590 } else {
1591 /* 1/100 < (cap_shutter = n/100) =< max */
1592 cap_shutter =
1593 ((int)(cap_gain16_shutter / 16 / cap_bandfilt))
1594 * cap_bandfilt;
1595 if (!cap_shutter)
1596 return -EINVAL;
1597
1598 cap_gain16 = cap_gain16_shutter / cap_shutter;
1599 }
1600 }
1601
1602 /* set capture gain */
1603 ret = ov5640_set_gain(sensor, cap_gain16);
1604 if (ret)
1605 return ret;
1606
1607 /* write capture shutter */
1608 if (cap_shutter > (cap_vts - 4)) {
1609 cap_vts = cap_shutter + 4;
1610 ret = ov5640_set_vts(sensor, cap_vts);
1611 if (ret < 0)
1612 return ret;
1613 }
1614
1615 /* set exposure */
1616 return ov5640_set_exposure(sensor, cap_shutter);
1617}
1618
1619/*
1620 * if sensor changes inside scaling or subsampling
1621 * change mode directly
1622 */
1623static int ov5640_set_mode_direct(struct ov5640_dev *sensor,
1624 const struct ov5640_mode_info *mode)
1625{
1626 if (!mode->reg_data)
1627 return -EINVAL;
1628
1629 /* Write capture setting */
1630 return ov5640_load_regs(sensor, mode);
1631}
1632
1633static int ov5640_set_mode(struct ov5640_dev *sensor)
1634{
1635 const struct ov5640_mode_info *mode = sensor->current_mode;
1636 const struct ov5640_mode_info *orig_mode = sensor->last_mode;
1637 enum ov5640_downsize_mode dn_mode, orig_dn_mode;
1638 bool auto_gain = sensor->ctrls.auto_gain->val == 1;
1639 bool auto_exp = sensor->ctrls.auto_exp->val == V4L2_EXPOSURE_AUTO;
1640 int ret;
1641
1642 dn_mode = mode->dn_mode;
1643 orig_dn_mode = orig_mode->dn_mode;
1644
1645 /* auto gain and exposure must be turned off when changing modes */
1646 if (auto_gain) {
1647 ret = ov5640_set_autogain(sensor, false);
1648 if (ret)
1649 return ret;
1650 }
1651
1652 if (auto_exp) {
1653 ret = ov5640_set_autoexposure(sensor, false);
1654 if (ret)
1655 goto restore_auto_gain;
1656 }
1657
1658 if ((dn_mode == SUBSAMPLING && orig_dn_mode == SCALING) ||
1659 (dn_mode == SCALING && orig_dn_mode == SUBSAMPLING)) {
1660 /*
1661 * change between subsampling and scaling
1662 * go through exposure calculation
1663 */
1664 ret = ov5640_set_mode_exposure_calc(sensor, mode);
1665 } else {
1666 /*
1667 * change inside subsampling or scaling
1668 * download firmware directly
1669 */
1670 ret = ov5640_set_mode_direct(sensor, mode);
1671 }
1672 if (ret < 0)
1673 goto restore_auto_exp_gain;
1674
1675 /* restore auto gain and exposure */
1676 if (auto_gain)
1677 ov5640_set_autogain(sensor, true);
1678 if (auto_exp)
1679 ov5640_set_autoexposure(sensor, true);
1680
1681 ret = ov5640_set_binning(sensor, dn_mode != SCALING);
1682 if (ret < 0)
1683 return ret;
1684 ret = ov5640_set_ae_target(sensor, sensor->ae_target);
1685 if (ret < 0)
1686 return ret;
1687 ret = ov5640_get_light_freq(sensor);
1688 if (ret < 0)
1689 return ret;
1690 ret = ov5640_set_bandingfilter(sensor);
1691 if (ret < 0)
1692 return ret;
1693 ret = ov5640_set_virtual_channel(sensor);
1694 if (ret < 0)
1695 return ret;
1696
1697 sensor->pending_mode_change = false;
1698 sensor->last_mode = mode;
1699
1700 return 0;
1701
1702restore_auto_exp_gain:
1703 if (auto_exp)
1704 ov5640_set_autoexposure(sensor, true);
1705restore_auto_gain:
1706 if (auto_gain)
1707 ov5640_set_autogain(sensor, true);
1708
1709 return ret;
1710}
1711
1712static int ov5640_set_framefmt(struct ov5640_dev *sensor,
1713 struct v4l2_mbus_framefmt *format);
1714
1715/* restore the last set video mode after chip power-on */
1716static int ov5640_restore_mode(struct ov5640_dev *sensor)
1717{
1718 int ret;
1719
1720 /* first load the initial register values */
1721 ret = ov5640_load_regs(sensor, &ov5640_mode_init_data);
1722 if (ret < 0)
1723 return ret;
1724 sensor->last_mode = &ov5640_mode_init_data;
1725
1726 ret = ov5640_mod_reg(sensor, OV5640_REG_SYS_ROOT_DIVIDER, 0x3f,
1727 (ilog2(OV5640_SCLK2X_ROOT_DIVIDER_DEFAULT) << 2) |
1728 ilog2(OV5640_SCLK_ROOT_DIVIDER_DEFAULT));
1729 if (ret)
1730 return ret;
1731
1732 /* now restore the last capture mode */
1733 ret = ov5640_set_mode(sensor);
1734 if (ret < 0)
1735 return ret;
1736
1737 return ov5640_set_framefmt(sensor, &sensor->fmt);
1738}
1739
1740static void ov5640_power(struct ov5640_dev *sensor, bool enable)
1741{
1742 gpiod_set_value_cansleep(sensor->pwdn_gpio, enable ? 0 : 1);
1743}
1744
1745static void ov5640_reset(struct ov5640_dev *sensor)
1746{
1747 if (!sensor->reset_gpio)
1748 return;
1749
1750 gpiod_set_value_cansleep(sensor->reset_gpio, 0);
1751
1752 /* camera power cycle */
1753 ov5640_power(sensor, false);
1754 usleep_range(5000, 10000);
1755 ov5640_power(sensor, true);
1756 usleep_range(5000, 10000);
1757
1758 gpiod_set_value_cansleep(sensor->reset_gpio, 1);
1759 usleep_range(1000, 2000);
1760
1761 gpiod_set_value_cansleep(sensor->reset_gpio, 0);
1762 usleep_range(5000, 10000);
1763}
1764
1765static int ov5640_set_power_on(struct ov5640_dev *sensor)
1766{
1767 struct i2c_client *client = sensor->i2c_client;
1768 int ret;
1769
1770 ret = clk_prepare_enable(sensor->xclk);
1771 if (ret) {
1772 dev_err(&client->dev, "%s: failed to enable clock\n",
1773 __func__);
1774 return ret;
1775 }
1776
1777 ret = regulator_bulk_enable(OV5640_NUM_SUPPLIES,
1778 sensor->supplies);
1779 if (ret) {
1780 dev_err(&client->dev, "%s: failed to enable regulators\n",
1781 __func__);
1782 goto xclk_off;
1783 }
1784
1785 ov5640_reset(sensor);
1786 ov5640_power(sensor, true);
1787
1788 ret = ov5640_init_slave_id(sensor);
1789 if (ret)
1790 goto power_off;
1791
1792 return 0;
1793
1794power_off:
1795 ov5640_power(sensor, false);
1796 regulator_bulk_disable(OV5640_NUM_SUPPLIES, sensor->supplies);
1797xclk_off:
1798 clk_disable_unprepare(sensor->xclk);
1799 return ret;
1800}
1801
1802static void ov5640_set_power_off(struct ov5640_dev *sensor)
1803{
1804 ov5640_power(sensor, false);
1805 regulator_bulk_disable(OV5640_NUM_SUPPLIES, sensor->supplies);
1806 clk_disable_unprepare(sensor->xclk);
1807}
1808
1809static int ov5640_set_power(struct ov5640_dev *sensor, bool on)
1810{
1811 int ret = 0;
1812
1813 if (on) {
1814 ret = ov5640_set_power_on(sensor);
1815 if (ret)
1816 return ret;
1817
1818 ret = ov5640_restore_mode(sensor);
1819 if (ret)
1820 goto power_off;
1821
1822 /* We're done here for DVP bus, while CSI-2 needs setup. */
1823 if (sensor->ep.bus_type != V4L2_MBUS_CSI2)
1824 return 0;
1825
1826 /*
1827 * Power up MIPI HS Tx and LS Rx; 2 data lanes mode
1828 *
1829 * 0x300e = 0x40
1830 * [7:5] = 010 : 2 data lanes mode (see FIXME note in
1831 * "ov5640_set_stream_mipi()")
1832 * [4] = 0 : Power up MIPI HS Tx
1833 * [3] = 0 : Power up MIPI LS Rx
1834 * [2] = 0 : MIPI interface disabled
1835 */
1836 ret = ov5640_write_reg(sensor,
1837 OV5640_REG_IO_MIPI_CTRL00, 0x40);
1838 if (ret)
1839 goto power_off;
1840
1841 /*
1842 * Gate clock and set LP11 in 'no packets mode' (idle)
1843 *
1844 * 0x4800 = 0x24
1845 * [5] = 1 : Gate clock when 'no packets'
1846 * [2] = 1 : MIPI bus in LP11 when 'no packets'
1847 */
1848 ret = ov5640_write_reg(sensor,
1849 OV5640_REG_MIPI_CTRL00, 0x24);
1850 if (ret)
1851 goto power_off;
1852
1853 /*
1854 * Set data lanes and clock in LP11 when 'sleeping'
1855 *
1856 * 0x3019 = 0x70
1857 * [6] = 1 : MIPI data lane 2 in LP11 when 'sleeping'
1858 * [5] = 1 : MIPI data lane 1 in LP11 when 'sleeping'
1859 * [4] = 1 : MIPI clock lane in LP11 when 'sleeping'
1860 */
1861 ret = ov5640_write_reg(sensor,
1862 OV5640_REG_PAD_OUTPUT00, 0x70);
1863 if (ret)
1864 goto power_off;
1865
1866 /* Give lanes some time to coax into LP11 state. */
1867 usleep_range(500, 1000);
1868
1869 } else {
1870 if (sensor->ep.bus_type == V4L2_MBUS_CSI2) {
1871 /* Reset MIPI bus settings to their default values. */
1872 ov5640_write_reg(sensor,
1873 OV5640_REG_IO_MIPI_CTRL00, 0x58);
1874 ov5640_write_reg(sensor,
1875 OV5640_REG_MIPI_CTRL00, 0x04);
1876 ov5640_write_reg(sensor,
1877 OV5640_REG_PAD_OUTPUT00, 0x00);
1878 }
1879
1880 ov5640_set_power_off(sensor);
1881 }
1882
1883 return 0;
1884
1885power_off:
1886 ov5640_set_power_off(sensor);
1887 return ret;
1888}
1889
1890/* --------------- Subdev Operations --------------- */
1891
1892static int ov5640_s_power(struct v4l2_subdev *sd, int on)
1893{
1894 struct ov5640_dev *sensor = to_ov5640_dev(sd);
1895 int ret = 0;
1896
1897 mutex_lock(&sensor->lock);
1898
1899 /*
1900 * If the power count is modified from 0 to != 0 or from != 0 to 0,
1901 * update the power state.
1902 */
1903 if (sensor->power_count == !on) {
1904 ret = ov5640_set_power(sensor, !!on);
1905 if (ret)
1906 goto out;
1907 }
1908
1909 /* Update the power count. */
1910 sensor->power_count += on ? 1 : -1;
1911 WARN_ON(sensor->power_count < 0);
1912out:
1913 mutex_unlock(&sensor->lock);
1914
1915 if (on && !ret && sensor->power_count == 1) {
1916 /* restore controls */
1917 ret = v4l2_ctrl_handler_setup(&sensor->ctrls.handler);
1918 }
1919
1920 return ret;
1921}
1922
1923static int ov5640_try_frame_interval(struct ov5640_dev *sensor,
1924 struct v4l2_fract *fi,
1925 u32 width, u32 height)
1926{
1927 const struct ov5640_mode_info *mode;
1928 u32 minfps, maxfps, fps;
1929 int ret;
1930
1931 minfps = ov5640_framerates[OV5640_15_FPS];
1932 maxfps = ov5640_framerates[OV5640_30_FPS];
1933
1934 if (fi->numerator == 0) {
1935 fi->denominator = maxfps;
1936 fi->numerator = 1;
1937 return OV5640_30_FPS;
1938 }
1939
1940 fps = DIV_ROUND_CLOSEST(fi->denominator, fi->numerator);
1941
1942 fi->numerator = 1;
1943 if (fps > maxfps)
1944 fi->denominator = maxfps;
1945 else if (fps < minfps)
1946 fi->denominator = minfps;
1947 else if (2 * fps >= 2 * minfps + (maxfps - minfps))
1948 fi->denominator = maxfps;
1949 else
1950 fi->denominator = minfps;
1951
1952 ret = (fi->denominator == minfps) ? OV5640_15_FPS : OV5640_30_FPS;
1953
1954 mode = ov5640_find_mode(sensor, ret, width, height, false);
1955 return mode ? ret : -EINVAL;
1956}
1957
1958static int ov5640_get_fmt(struct v4l2_subdev *sd,
1959 struct v4l2_subdev_pad_config *cfg,
1960 struct v4l2_subdev_format *format)
1961{
1962 struct ov5640_dev *sensor = to_ov5640_dev(sd);
1963 struct v4l2_mbus_framefmt *fmt;
1964
1965 if (format->pad != 0)
1966 return -EINVAL;
1967
1968 mutex_lock(&sensor->lock);
1969
1970 if (format->which == V4L2_SUBDEV_FORMAT_TRY)
1971 fmt = v4l2_subdev_get_try_format(&sensor->sd, cfg,
1972 format->pad);
1973 else
1974 fmt = &sensor->fmt;
1975
1976 format->format = *fmt;
1977
1978 mutex_unlock(&sensor->lock);
1979
1980 return 0;
1981}
1982
1983static int ov5640_try_fmt_internal(struct v4l2_subdev *sd,
1984 struct v4l2_mbus_framefmt *fmt,
1985 enum ov5640_frame_rate fr,
1986 const struct ov5640_mode_info **new_mode)
1987{
1988 struct ov5640_dev *sensor = to_ov5640_dev(sd);
1989 const struct ov5640_mode_info *mode;
1990 int i;
1991
1992 mode = ov5640_find_mode(sensor, fr, fmt->width, fmt->height, true);
1993 if (!mode)
1994 return -EINVAL;
1995 fmt->width = mode->hact;
1996 fmt->height = mode->vact;
1997
1998 if (new_mode)
1999 *new_mode = mode;
2000
2001 for (i = 0; i < ARRAY_SIZE(ov5640_formats); i++)
2002 if (ov5640_formats[i].code == fmt->code)
2003 break;
2004 if (i >= ARRAY_SIZE(ov5640_formats))
2005 i = 0;
2006
2007 fmt->code = ov5640_formats[i].code;
2008 fmt->colorspace = ov5640_formats[i].colorspace;
2009 fmt->ycbcr_enc = V4L2_MAP_YCBCR_ENC_DEFAULT(fmt->colorspace);
2010 fmt->quantization = V4L2_QUANTIZATION_FULL_RANGE;
2011 fmt->xfer_func = V4L2_MAP_XFER_FUNC_DEFAULT(fmt->colorspace);
2012
2013 return 0;
2014}
2015
2016static int ov5640_set_fmt(struct v4l2_subdev *sd,
2017 struct v4l2_subdev_pad_config *cfg,
2018 struct v4l2_subdev_format *format)
2019{
2020 struct ov5640_dev *sensor = to_ov5640_dev(sd);
2021 const struct ov5640_mode_info *new_mode;
2022 struct v4l2_mbus_framefmt *mbus_fmt = &format->format;
2023 struct v4l2_mbus_framefmt *fmt;
2024 int ret;
2025
2026 if (format->pad != 0)
2027 return -EINVAL;
2028
2029 mutex_lock(&sensor->lock);
2030
2031 if (sensor->streaming) {
2032 ret = -EBUSY;
2033 goto out;
2034 }
2035
2036 ret = ov5640_try_fmt_internal(sd, mbus_fmt,
2037 sensor->current_fr, &new_mode);
2038 if (ret)
2039 goto out;
2040
2041 if (format->which == V4L2_SUBDEV_FORMAT_TRY)
2042 fmt = v4l2_subdev_get_try_format(sd, cfg, 0);
2043 else
2044 fmt = &sensor->fmt;
2045
2046 *fmt = *mbus_fmt;
2047
2048 if (new_mode != sensor->current_mode) {
2049 sensor->current_mode = new_mode;
2050 sensor->pending_mode_change = true;
2051 }
2052 if (mbus_fmt->code != sensor->fmt.code)
2053 sensor->pending_fmt_change = true;
2054
2055out:
2056 mutex_unlock(&sensor->lock);
2057 return ret;
2058}
2059
2060static int ov5640_set_framefmt(struct ov5640_dev *sensor,
2061 struct v4l2_mbus_framefmt *format)
2062{
2063 int ret = 0;
2064 bool is_rgb = false;
2065 bool is_jpeg = false;
2066 u8 val;
2067
2068 switch (format->code) {
2069 case MEDIA_BUS_FMT_UYVY8_2X8:
2070 /* YUV422, UYVY */
2071 val = 0x3f;
2072 break;
2073 case MEDIA_BUS_FMT_YUYV8_2X8:
2074 /* YUV422, YUYV */
2075 val = 0x30;
2076 break;
2077 case MEDIA_BUS_FMT_RGB565_2X8_LE:
2078 /* RGB565 {g[2:0],b[4:0]},{r[4:0],g[5:3]} */
2079 val = 0x6F;
2080 is_rgb = true;
2081 break;
2082 case MEDIA_BUS_FMT_RGB565_2X8_BE:
2083 /* RGB565 {r[4:0],g[5:3]},{g[2:0],b[4:0]} */
2084 val = 0x61;
2085 is_rgb = true;
2086 break;
2087 case MEDIA_BUS_FMT_JPEG_1X8:
2088 /* YUV422, YUYV */
2089 val = 0x30;
2090 is_jpeg = true;
2091 break;
2092 default:
2093 return -EINVAL;
2094 }
2095
2096 /* FORMAT CONTROL00: YUV and RGB formatting */
2097 ret = ov5640_write_reg(sensor, OV5640_REG_FORMAT_CONTROL00, val);
2098 if (ret)
2099 return ret;
2100
2101 /* FORMAT MUX CONTROL: ISP YUV or RGB */
2102 ret = ov5640_write_reg(sensor, OV5640_REG_ISP_FORMAT_MUX_CTRL,
2103 is_rgb ? 0x01 : 0x00);
2104 if (ret)
2105 return ret;
2106
2107 /*
2108 * TIMING TC REG21:
2109 * - [5]: JPEG enable
2110 */
2111 ret = ov5640_mod_reg(sensor, OV5640_REG_TIMING_TC_REG21,
2112 BIT(5), is_jpeg ? BIT(5) : 0);
2113 if (ret)
2114 return ret;
2115
2116 /*
2117 * SYSTEM RESET02:
2118 * - [4]: Reset JFIFO
2119 * - [3]: Reset SFIFO
2120 * - [2]: Reset JPEG
2121 */
2122 ret = ov5640_mod_reg(sensor, OV5640_REG_SYS_RESET02,
2123 BIT(4) | BIT(3) | BIT(2),
2124 is_jpeg ? 0 : (BIT(4) | BIT(3) | BIT(2)));
2125 if (ret)
2126 return ret;
2127
2128 /*
2129 * CLOCK ENABLE02:
2130 * - [5]: Enable JPEG 2x clock
2131 * - [3]: Enable JPEG clock
2132 */
2133 return ov5640_mod_reg(sensor, OV5640_REG_SYS_CLOCK_ENABLE02,
2134 BIT(5) | BIT(3),
2135 is_jpeg ? (BIT(5) | BIT(3)) : 0);
2136}
2137
2138/*
2139 * Sensor Controls.
2140 */
2141
2142static int ov5640_set_ctrl_hue(struct ov5640_dev *sensor, int value)
2143{
2144 int ret;
2145
2146 if (value) {
2147 ret = ov5640_mod_reg(sensor, OV5640_REG_SDE_CTRL0,
2148 BIT(0), BIT(0));
2149 if (ret)
2150 return ret;
2151 ret = ov5640_write_reg16(sensor, OV5640_REG_SDE_CTRL1, value);
2152 } else {
2153 ret = ov5640_mod_reg(sensor, OV5640_REG_SDE_CTRL0, BIT(0), 0);
2154 }
2155
2156 return ret;
2157}
2158
2159static int ov5640_set_ctrl_contrast(struct ov5640_dev *sensor, int value)
2160{
2161 int ret;
2162
2163 if (value) {
2164 ret = ov5640_mod_reg(sensor, OV5640_REG_SDE_CTRL0,
2165 BIT(2), BIT(2));
2166 if (ret)
2167 return ret;
2168 ret = ov5640_write_reg(sensor, OV5640_REG_SDE_CTRL5,
2169 value & 0xff);
2170 } else {
2171 ret = ov5640_mod_reg(sensor, OV5640_REG_SDE_CTRL0, BIT(2), 0);
2172 }
2173
2174 return ret;
2175}
2176
2177static int ov5640_set_ctrl_saturation(struct ov5640_dev *sensor, int value)
2178{
2179 int ret;
2180
2181 if (value) {
2182 ret = ov5640_mod_reg(sensor, OV5640_REG_SDE_CTRL0,
2183 BIT(1), BIT(1));
2184 if (ret)
2185 return ret;
2186 ret = ov5640_write_reg(sensor, OV5640_REG_SDE_CTRL3,
2187 value & 0xff);
2188 if (ret)
2189 return ret;
2190 ret = ov5640_write_reg(sensor, OV5640_REG_SDE_CTRL4,
2191 value & 0xff);
2192 } else {
2193 ret = ov5640_mod_reg(sensor, OV5640_REG_SDE_CTRL0, BIT(1), 0);
2194 }
2195
2196 return ret;
2197}
2198
2199static int ov5640_set_ctrl_white_balance(struct ov5640_dev *sensor, int awb)
2200{
2201 int ret;
2202
2203 ret = ov5640_mod_reg(sensor, OV5640_REG_AWB_MANUAL_CTRL,
2204 BIT(0), awb ? 0 : 1);
2205 if (ret)
2206 return ret;
2207
2208 if (!awb) {
2209 u16 red = (u16)sensor->ctrls.red_balance->val;
2210 u16 blue = (u16)sensor->ctrls.blue_balance->val;
2211
2212 ret = ov5640_write_reg16(sensor, OV5640_REG_AWB_R_GAIN, red);
2213 if (ret)
2214 return ret;
2215 ret = ov5640_write_reg16(sensor, OV5640_REG_AWB_B_GAIN, blue);
2216 }
2217
2218 return ret;
2219}
2220
2221static int ov5640_set_ctrl_exposure(struct ov5640_dev *sensor,
2222 enum v4l2_exposure_auto_type auto_exposure)
2223{
2224 struct ov5640_ctrls *ctrls = &sensor->ctrls;
2225 bool auto_exp = (auto_exposure == V4L2_EXPOSURE_AUTO);
2226 int ret = 0;
2227
2228 if (ctrls->auto_exp->is_new) {
2229 ret = ov5640_set_autoexposure(sensor, auto_exp);
2230 if (ret)
2231 return ret;
2232 }
2233
2234 if (!auto_exp && ctrls->exposure->is_new) {
2235 u16 max_exp;
2236
2237 ret = ov5640_read_reg16(sensor, OV5640_REG_AEC_PK_VTS,
2238 &max_exp);
2239 if (ret)
2240 return ret;
2241 ret = ov5640_get_vts(sensor);
2242 if (ret < 0)
2243 return ret;
2244 max_exp += ret;
2245 ret = 0;
2246
2247 if (ctrls->exposure->val < max_exp)
2248 ret = ov5640_set_exposure(sensor, ctrls->exposure->val);
2249 }
2250
2251 return ret;
2252}
2253
2254static int ov5640_set_ctrl_gain(struct ov5640_dev *sensor, bool auto_gain)
2255{
2256 struct ov5640_ctrls *ctrls = &sensor->ctrls;
2257 int ret = 0;
2258
2259 if (ctrls->auto_gain->is_new) {
2260 ret = ov5640_set_autogain(sensor, auto_gain);
2261 if (ret)
2262 return ret;
2263 }
2264
2265 if (!auto_gain && ctrls->gain->is_new)
2266 ret = ov5640_set_gain(sensor, ctrls->gain->val);
2267
2268 return ret;
2269}
2270
2271static int ov5640_set_ctrl_test_pattern(struct ov5640_dev *sensor, int value)
2272{
2273 return ov5640_mod_reg(sensor, OV5640_REG_PRE_ISP_TEST_SET1,
2274 0xa4, value ? 0xa4 : 0);
2275}
2276
2277static int ov5640_set_ctrl_light_freq(struct ov5640_dev *sensor, int value)
2278{
2279 int ret;
2280
2281 ret = ov5640_mod_reg(sensor, OV5640_REG_HZ5060_CTRL01, BIT(7),
2282 (value == V4L2_CID_POWER_LINE_FREQUENCY_AUTO) ?
2283 0 : BIT(7));
2284 if (ret)
2285 return ret;
2286
2287 return ov5640_mod_reg(sensor, OV5640_REG_HZ5060_CTRL00, BIT(2),
2288 (value == V4L2_CID_POWER_LINE_FREQUENCY_50HZ) ?
2289 BIT(2) : 0);
2290}
2291
2292static int ov5640_set_ctrl_hflip(struct ov5640_dev *sensor, int value)
2293{
2294 /*
2295 * If sensor is mounted upside down, mirror logic is inversed.
2296 *
2297 * Sensor is a BSI (Back Side Illuminated) one,
2298 * so image captured is physically mirrored.
2299 * This is why mirror logic is inversed in
2300 * order to cancel this mirror effect.
2301 */
2302
2303 /*
2304 * TIMING TC REG21:
2305 * - [2]: ISP mirror
2306 * - [1]: Sensor mirror
2307 */
2308 return ov5640_mod_reg(sensor, OV5640_REG_TIMING_TC_REG21,
2309 BIT(2) | BIT(1),
2310 (!(value ^ sensor->upside_down)) ?
2311 (BIT(2) | BIT(1)) : 0);
2312}
2313
2314static int ov5640_set_ctrl_vflip(struct ov5640_dev *sensor, int value)
2315{
2316 /* If sensor is mounted upside down, flip logic is inversed */
2317
2318 /*
2319 * TIMING TC REG20:
2320 * - [2]: ISP vflip
2321 * - [1]: Sensor vflip
2322 */
2323 return ov5640_mod_reg(sensor, OV5640_REG_TIMING_TC_REG20,
2324 BIT(2) | BIT(1),
2325 (value ^ sensor->upside_down) ?
2326 (BIT(2) | BIT(1)) : 0);
2327}
2328
2329static int ov5640_g_volatile_ctrl(struct v4l2_ctrl *ctrl)
2330{
2331 struct v4l2_subdev *sd = ctrl_to_sd(ctrl);
2332 struct ov5640_dev *sensor = to_ov5640_dev(sd);
2333 int val;
2334
2335 /* v4l2_ctrl_lock() locks our own mutex */
2336
2337 switch (ctrl->id) {
2338 case V4L2_CID_AUTOGAIN:
2339 val = ov5640_get_gain(sensor);
2340 if (val < 0)
2341 return val;
2342 sensor->ctrls.gain->val = val;
2343 break;
2344 case V4L2_CID_EXPOSURE_AUTO:
2345 val = ov5640_get_exposure(sensor);
2346 if (val < 0)
2347 return val;
2348 sensor->ctrls.exposure->val = val;
2349 break;
2350 }
2351
2352 return 0;
2353}
2354
2355static int ov5640_s_ctrl(struct v4l2_ctrl *ctrl)
2356{
2357 struct v4l2_subdev *sd = ctrl_to_sd(ctrl);
2358 struct ov5640_dev *sensor = to_ov5640_dev(sd);
2359 int ret;
2360
2361 /* v4l2_ctrl_lock() locks our own mutex */
2362
2363 /*
2364 * If the device is not powered up by the host driver do
2365 * not apply any controls to H/W at this time. Instead
2366 * the controls will be restored right after power-up.
2367 */
2368 if (sensor->power_count == 0)
2369 return 0;
2370
2371 switch (ctrl->id) {
2372 case V4L2_CID_AUTOGAIN:
2373 ret = ov5640_set_ctrl_gain(sensor, ctrl->val);
2374 break;
2375 case V4L2_CID_EXPOSURE_AUTO:
2376 ret = ov5640_set_ctrl_exposure(sensor, ctrl->val);
2377 break;
2378 case V4L2_CID_AUTO_WHITE_BALANCE:
2379 ret = ov5640_set_ctrl_white_balance(sensor, ctrl->val);
2380 break;
2381 case V4L2_CID_HUE:
2382 ret = ov5640_set_ctrl_hue(sensor, ctrl->val);
2383 break;
2384 case V4L2_CID_CONTRAST:
2385 ret = ov5640_set_ctrl_contrast(sensor, ctrl->val);
2386 break;
2387 case V4L2_CID_SATURATION:
2388 ret = ov5640_set_ctrl_saturation(sensor, ctrl->val);
2389 break;
2390 case V4L2_CID_TEST_PATTERN:
2391 ret = ov5640_set_ctrl_test_pattern(sensor, ctrl->val);
2392 break;
2393 case V4L2_CID_POWER_LINE_FREQUENCY:
2394 ret = ov5640_set_ctrl_light_freq(sensor, ctrl->val);
2395 break;
2396 case V4L2_CID_HFLIP:
2397 ret = ov5640_set_ctrl_hflip(sensor, ctrl->val);
2398 break;
2399 case V4L2_CID_VFLIP:
2400 ret = ov5640_set_ctrl_vflip(sensor, ctrl->val);
2401 break;
2402 default:
2403 ret = -EINVAL;
2404 break;
2405 }
2406
2407 return ret;
2408}
2409
2410static const struct v4l2_ctrl_ops ov5640_ctrl_ops = {
2411 .g_volatile_ctrl = ov5640_g_volatile_ctrl,
2412 .s_ctrl = ov5640_s_ctrl,
2413};
2414
2415static const char * const test_pattern_menu[] = {
2416 "Disabled",
2417 "Color bars",
2418};
2419
2420static int ov5640_init_controls(struct ov5640_dev *sensor)
2421{
2422 const struct v4l2_ctrl_ops *ops = &ov5640_ctrl_ops;
2423 struct ov5640_ctrls *ctrls = &sensor->ctrls;
2424 struct v4l2_ctrl_handler *hdl = &ctrls->handler;
2425 int ret;
2426
2427 v4l2_ctrl_handler_init(hdl, 32);
2428
2429 /* we can use our own mutex for the ctrl lock */
2430 hdl->lock = &sensor->lock;
2431
2432 /* Auto/manual white balance */
2433 ctrls->auto_wb = v4l2_ctrl_new_std(hdl, ops,
2434 V4L2_CID_AUTO_WHITE_BALANCE,
2435 0, 1, 1, 1);
2436 ctrls->blue_balance = v4l2_ctrl_new_std(hdl, ops, V4L2_CID_BLUE_BALANCE,
2437 0, 4095, 1, 0);
2438 ctrls->red_balance = v4l2_ctrl_new_std(hdl, ops, V4L2_CID_RED_BALANCE,
2439 0, 4095, 1, 0);
2440 /* Auto/manual exposure */
2441 ctrls->auto_exp = v4l2_ctrl_new_std_menu(hdl, ops,
2442 V4L2_CID_EXPOSURE_AUTO,
2443 V4L2_EXPOSURE_MANUAL, 0,
2444 V4L2_EXPOSURE_AUTO);
2445 ctrls->exposure = v4l2_ctrl_new_std(hdl, ops, V4L2_CID_EXPOSURE,
2446 0, 65535, 1, 0);
2447 /* Auto/manual gain */
2448 ctrls->auto_gain = v4l2_ctrl_new_std(hdl, ops, V4L2_CID_AUTOGAIN,
2449 0, 1, 1, 1);
2450 ctrls->gain = v4l2_ctrl_new_std(hdl, ops, V4L2_CID_GAIN,
2451 0, 1023, 1, 0);
2452
2453 ctrls->saturation = v4l2_ctrl_new_std(hdl, ops, V4L2_CID_SATURATION,
2454 0, 255, 1, 64);
2455 ctrls->hue = v4l2_ctrl_new_std(hdl, ops, V4L2_CID_HUE,
2456 0, 359, 1, 0);
2457 ctrls->contrast = v4l2_ctrl_new_std(hdl, ops, V4L2_CID_CONTRAST,
2458 0, 255, 1, 0);
2459 ctrls->test_pattern =
2460 v4l2_ctrl_new_std_menu_items(hdl, ops, V4L2_CID_TEST_PATTERN,
2461 ARRAY_SIZE(test_pattern_menu) - 1,
2462 0, 0, test_pattern_menu);
2463 ctrls->hflip = v4l2_ctrl_new_std(hdl, ops, V4L2_CID_HFLIP,
2464 0, 1, 1, 0);
2465 ctrls->vflip = v4l2_ctrl_new_std(hdl, ops, V4L2_CID_VFLIP,
2466 0, 1, 1, 0);
2467
2468 ctrls->light_freq =
2469 v4l2_ctrl_new_std_menu(hdl, ops,
2470 V4L2_CID_POWER_LINE_FREQUENCY,
2471 V4L2_CID_POWER_LINE_FREQUENCY_AUTO, 0,
2472 V4L2_CID_POWER_LINE_FREQUENCY_50HZ);
2473
2474 if (hdl->error) {
2475 ret = hdl->error;
2476 goto free_ctrls;
2477 }
2478
2479 ctrls->gain->flags |= V4L2_CTRL_FLAG_VOLATILE;
2480 ctrls->exposure->flags |= V4L2_CTRL_FLAG_VOLATILE;
2481
2482 v4l2_ctrl_auto_cluster(3, &ctrls->auto_wb, 0, false);
2483 v4l2_ctrl_auto_cluster(2, &ctrls->auto_gain, 0, true);
2484 v4l2_ctrl_auto_cluster(2, &ctrls->auto_exp, 1, true);
2485
2486 sensor->sd.ctrl_handler = hdl;
2487 return 0;
2488
2489free_ctrls:
2490 v4l2_ctrl_handler_free(hdl);
2491 return ret;
2492}
2493
2494static int ov5640_enum_frame_size(struct v4l2_subdev *sd,
2495 struct v4l2_subdev_pad_config *cfg,
2496 struct v4l2_subdev_frame_size_enum *fse)
2497{
2498 if (fse->pad != 0)
2499 return -EINVAL;
2500 if (fse->index >= OV5640_NUM_MODES)
2501 return -EINVAL;
2502
2503 fse->min_width =
2504 ov5640_mode_data[0][fse->index].hact;
2505 fse->max_width = fse->min_width;
2506 fse->min_height =
2507 ov5640_mode_data[0][fse->index].vact;
2508 fse->max_height = fse->min_height;
2509
2510 return 0;
2511}
2512
2513static int ov5640_enum_frame_interval(
2514 struct v4l2_subdev *sd,
2515 struct v4l2_subdev_pad_config *cfg,
2516 struct v4l2_subdev_frame_interval_enum *fie)
2517{
2518 struct ov5640_dev *sensor = to_ov5640_dev(sd);
2519 struct v4l2_fract tpf;
2520 int ret;
2521
2522 if (fie->pad != 0)
2523 return -EINVAL;
2524 if (fie->index >= OV5640_NUM_FRAMERATES)
2525 return -EINVAL;
2526
2527 tpf.numerator = 1;
2528 tpf.denominator = ov5640_framerates[fie->index];
2529
2530 ret = ov5640_try_frame_interval(sensor, &tpf,
2531 fie->width, fie->height);
2532 if (ret < 0)
2533 return -EINVAL;
2534
2535 fie->interval = tpf;
2536 return 0;
2537}
2538
2539static int ov5640_g_frame_interval(struct v4l2_subdev *sd,
2540 struct v4l2_subdev_frame_interval *fi)
2541{
2542 struct ov5640_dev *sensor = to_ov5640_dev(sd);
2543
2544 mutex_lock(&sensor->lock);
2545 fi->interval = sensor->frame_interval;
2546 mutex_unlock(&sensor->lock);
2547
2548 return 0;
2549}
2550
2551static int ov5640_s_frame_interval(struct v4l2_subdev *sd,
2552 struct v4l2_subdev_frame_interval *fi)
2553{
2554 struct ov5640_dev *sensor = to_ov5640_dev(sd);
2555 const struct ov5640_mode_info *mode;
2556 int frame_rate, ret = 0;
2557
2558 if (fi->pad != 0)
2559 return -EINVAL;
2560
2561 mutex_lock(&sensor->lock);
2562
2563 if (sensor->streaming) {
2564 ret = -EBUSY;
2565 goto out;
2566 }
2567
2568 mode = sensor->current_mode;
2569
2570 frame_rate = ov5640_try_frame_interval(sensor, &fi->interval,
2571 mode->hact, mode->vact);
2572 if (frame_rate < 0)
2573 frame_rate = OV5640_15_FPS;
2574
2575 sensor->current_fr = frame_rate;
2576 sensor->frame_interval = fi->interval;
2577 mode = ov5640_find_mode(sensor, frame_rate, mode->hact,
2578 mode->vact, true);
2579 if (!mode) {
2580 ret = -EINVAL;
2581 goto out;
2582 }
2583
2584 if (mode != sensor->current_mode) {
2585 sensor->current_mode = mode;
2586 sensor->pending_mode_change = true;
2587 }
2588out:
2589 mutex_unlock(&sensor->lock);
2590 return ret;
2591}
2592
2593static int ov5640_enum_mbus_code(struct v4l2_subdev *sd,
2594 struct v4l2_subdev_pad_config *cfg,
2595 struct v4l2_subdev_mbus_code_enum *code)
2596{
2597 if (code->pad != 0)
2598 return -EINVAL;
2599 if (code->index >= ARRAY_SIZE(ov5640_formats))
2600 return -EINVAL;
2601
2602 code->code = ov5640_formats[code->index].code;
2603 return 0;
2604}
2605
2606static int ov5640_s_stream(struct v4l2_subdev *sd, int enable)
2607{
2608 struct ov5640_dev *sensor = to_ov5640_dev(sd);
2609 int ret = 0;
2610
2611 mutex_lock(&sensor->lock);
2612
2613 if (sensor->streaming == !enable) {
2614 if (enable && sensor->pending_mode_change) {
2615 ret = ov5640_set_mode(sensor);
2616 if (ret)
2617 goto out;
2618 }
2619
2620 if (enable && sensor->pending_fmt_change) {
2621 ret = ov5640_set_framefmt(sensor, &sensor->fmt);
2622 if (ret)
2623 goto out;
2624 sensor->pending_fmt_change = false;
2625 }
2626
2627 if (sensor->ep.bus_type == V4L2_MBUS_CSI2)
2628 ret = ov5640_set_stream_mipi(sensor, enable);
2629 else
2630 ret = ov5640_set_stream_dvp(sensor, enable);
2631
2632 if (!ret)
2633 sensor->streaming = enable;
2634 }
2635out:
2636 mutex_unlock(&sensor->lock);
2637 return ret;
2638}
2639
2640static const struct v4l2_subdev_core_ops ov5640_core_ops = {
2641 .s_power = ov5640_s_power,
2642};
2643
2644static const struct v4l2_subdev_video_ops ov5640_video_ops = {
2645 .g_frame_interval = ov5640_g_frame_interval,
2646 .s_frame_interval = ov5640_s_frame_interval,
2647 .s_stream = ov5640_s_stream,
2648};
2649
2650static const struct v4l2_subdev_pad_ops ov5640_pad_ops = {
2651 .enum_mbus_code = ov5640_enum_mbus_code,
2652 .get_fmt = ov5640_get_fmt,
2653 .set_fmt = ov5640_set_fmt,
2654 .enum_frame_size = ov5640_enum_frame_size,
2655 .enum_frame_interval = ov5640_enum_frame_interval,
2656};
2657
2658static const struct v4l2_subdev_ops ov5640_subdev_ops = {
2659 .core = &ov5640_core_ops,
2660 .video = &ov5640_video_ops,
2661 .pad = &ov5640_pad_ops,
2662};
2663
2664static int ov5640_get_regulators(struct ov5640_dev *sensor)
2665{
2666 int i;
2667
2668 for (i = 0; i < OV5640_NUM_SUPPLIES; i++)
2669 sensor->supplies[i].supply = ov5640_supply_name[i];
2670
2671 return devm_regulator_bulk_get(&sensor->i2c_client->dev,
2672 OV5640_NUM_SUPPLIES,
2673 sensor->supplies);
2674}
2675
2676static int ov5640_check_chip_id(struct ov5640_dev *sensor)
2677{
2678 struct i2c_client *client = sensor->i2c_client;
2679 int ret = 0;
2680 u16 chip_id;
2681
2682 ret = ov5640_set_power_on(sensor);
2683 if (ret)
2684 return ret;
2685
2686 ret = ov5640_read_reg16(sensor, OV5640_REG_CHIP_ID, &chip_id);
2687 if (ret) {
2688 dev_err(&client->dev, "%s: failed to read chip identifier\n",
2689 __func__);
2690 goto power_off;
2691 }
2692
2693 if (chip_id != 0x5640) {
2694 dev_err(&client->dev, "%s: wrong chip identifier, expected 0x5640, got 0x%x\n",
2695 __func__, chip_id);
2696 ret = -ENXIO;
2697 }
2698
2699power_off:
2700 ov5640_set_power_off(sensor);
2701 return ret;
2702}
2703
2704static int ov5640_probe(struct i2c_client *client,
2705 const struct i2c_device_id *id)
2706{
2707 struct device *dev = &client->dev;
2708 struct fwnode_handle *endpoint;
2709 struct ov5640_dev *sensor;
2710 struct v4l2_mbus_framefmt *fmt;
2711 u32 rotation;
2712 int ret;
2713
2714 sensor = devm_kzalloc(dev, sizeof(*sensor), GFP_KERNEL);
2715 if (!sensor)
2716 return -ENOMEM;
2717
2718 sensor->i2c_client = client;
2719
2720 /*
2721 * default init sequence initialize sensor to
2722 * YUV422 UYVY VGA@30fps
2723 */
2724 fmt = &sensor->fmt;
2725 fmt->code = MEDIA_BUS_FMT_UYVY8_2X8;
2726 fmt->colorspace = V4L2_COLORSPACE_SRGB;
2727 fmt->ycbcr_enc = V4L2_MAP_YCBCR_ENC_DEFAULT(fmt->colorspace);
2728 fmt->quantization = V4L2_QUANTIZATION_FULL_RANGE;
2729 fmt->xfer_func = V4L2_MAP_XFER_FUNC_DEFAULT(fmt->colorspace);
2730 fmt->width = 640;
2731 fmt->height = 480;
2732 fmt->field = V4L2_FIELD_NONE;
2733 sensor->frame_interval.numerator = 1;
2734 sensor->frame_interval.denominator = ov5640_framerates[OV5640_30_FPS];
2735 sensor->current_fr = OV5640_30_FPS;
2736 sensor->current_mode =
2737 &ov5640_mode_data[OV5640_30_FPS][OV5640_MODE_VGA_640_480];
2738 sensor->last_mode = sensor->current_mode;
2739
2740 sensor->ae_target = 52;
2741
2742 /* optional indication of physical rotation of sensor */
2743 ret = fwnode_property_read_u32(dev_fwnode(&client->dev), "rotation",
2744 &rotation);
2745 if (!ret) {
2746 switch (rotation) {
2747 case 180:
2748 sensor->upside_down = true;
2749 /* fall through */
2750 case 0:
2751 break;
2752 default:
2753 dev_warn(dev, "%u degrees rotation is not supported, ignoring...\n",
2754 rotation);
2755 }
2756 }
2757
2758 endpoint = fwnode_graph_get_next_endpoint(dev_fwnode(&client->dev),
2759 NULL);
2760 if (!endpoint) {
2761 dev_err(dev, "endpoint node not found\n");
2762 return -EINVAL;
2763 }
2764
2765 ret = v4l2_fwnode_endpoint_parse(endpoint, &sensor->ep);
2766 fwnode_handle_put(endpoint);
2767 if (ret) {
2768 dev_err(dev, "Could not parse endpoint\n");
2769 return ret;
2770 }
2771
2772 /* get system clock (xclk) */
2773 sensor->xclk = devm_clk_get(dev, "xclk");
2774 if (IS_ERR(sensor->xclk)) {
2775 dev_err(dev, "failed to get xclk\n");
2776 return PTR_ERR(sensor->xclk);
2777 }
2778
2779 sensor->xclk_freq = clk_get_rate(sensor->xclk);
2780 if (sensor->xclk_freq < OV5640_XCLK_MIN ||
2781 sensor->xclk_freq > OV5640_XCLK_MAX) {
2782 dev_err(dev, "xclk frequency out of range: %d Hz\n",
2783 sensor->xclk_freq);
2784 return -EINVAL;
2785 }
2786
2787 /* request optional power down pin */
2788 sensor->pwdn_gpio = devm_gpiod_get_optional(dev, "powerdown",
2789 GPIOD_OUT_HIGH);
2790 /* request optional reset pin */
2791 sensor->reset_gpio = devm_gpiod_get_optional(dev, "reset",
2792 GPIOD_OUT_HIGH);
2793
2794 v4l2_i2c_subdev_init(&sensor->sd, client, &ov5640_subdev_ops);
2795
2796 sensor->sd.flags |= V4L2_SUBDEV_FL_HAS_DEVNODE;
2797 sensor->pad.flags = MEDIA_PAD_FL_SOURCE;
2798 sensor->sd.entity.function = MEDIA_ENT_F_CAM_SENSOR;
2799 ret = media_entity_pads_init(&sensor->sd.entity, 1, &sensor->pad);
2800 if (ret)
2801 return ret;
2802
2803 ret = ov5640_get_regulators(sensor);
2804 if (ret)
2805 return ret;
2806
2807 mutex_init(&sensor->lock);
2808
2809 ret = ov5640_check_chip_id(sensor);
2810 if (ret)
2811 goto entity_cleanup;
2812
2813 ret = ov5640_init_controls(sensor);
2814 if (ret)
2815 goto entity_cleanup;
2816
2817 ret = v4l2_async_register_subdev(&sensor->sd);
2818 if (ret)
2819 goto free_ctrls;
2820
2821 return 0;
2822
2823free_ctrls:
2824 v4l2_ctrl_handler_free(&sensor->ctrls.handler);
2825entity_cleanup:
2826 mutex_destroy(&sensor->lock);
2827 media_entity_cleanup(&sensor->sd.entity);
2828 return ret;
2829}
2830
2831static int ov5640_remove(struct i2c_client *client)
2832{
2833 struct v4l2_subdev *sd = i2c_get_clientdata(client);
2834 struct ov5640_dev *sensor = to_ov5640_dev(sd);
2835
2836 v4l2_async_unregister_subdev(&sensor->sd);
2837 mutex_destroy(&sensor->lock);
2838 media_entity_cleanup(&sensor->sd.entity);
2839 v4l2_ctrl_handler_free(&sensor->ctrls.handler);
2840
2841 return 0;
2842}
2843
2844static const struct i2c_device_id ov5640_id[] = {
2845 {"ov5640", 0},
2846 {},
2847};
2848MODULE_DEVICE_TABLE(i2c, ov5640_id);
2849
2850static const struct of_device_id ov5640_dt_ids[] = {
2851 { .compatible = "ovti,ov5640" },
2852 { /* sentinel */ }
2853};
2854MODULE_DEVICE_TABLE(of, ov5640_dt_ids);
2855
2856static struct i2c_driver ov5640_i2c_driver = {
2857 .driver = {
2858 .name = "ov5640",
2859 .of_match_table = ov5640_dt_ids,
2860 },
2861 .id_table = ov5640_id,
2862 .probe = ov5640_probe,
2863 .remove = ov5640_remove,
2864};
2865
2866module_i2c_driver(ov5640_i2c_driver);
2867
2868MODULE_DESCRIPTION("OV5640 MIPI Camera Subdev Driver");
2869MODULE_LICENSE("GPL");