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 24000000 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_HTS 0x380c 64 #define OV5640_REG_TIMING_VTS 0x380e 65 #define OV5640_REG_TIMING_TC_REG21 0x3821 66 #define OV5640_REG_AEC_CTRL00 0x3a00 67 #define OV5640_REG_AEC_B50_STEP 0x3a08 68 #define OV5640_REG_AEC_B60_STEP 0x3a0a 69 #define OV5640_REG_AEC_CTRL0D 0x3a0d 70 #define OV5640_REG_AEC_CTRL0E 0x3a0e 71 #define OV5640_REG_AEC_CTRL0F 0x3a0f 72 #define OV5640_REG_AEC_CTRL10 0x3a10 73 #define OV5640_REG_AEC_CTRL11 0x3a11 74 #define OV5640_REG_AEC_CTRL1B 0x3a1b 75 #define OV5640_REG_AEC_CTRL1E 0x3a1e 76 #define OV5640_REG_AEC_CTRL1F 0x3a1f 77 #define OV5640_REG_HZ5060_CTRL00 0x3c00 78 #define OV5640_REG_HZ5060_CTRL01 0x3c01 79 #define OV5640_REG_SIGMADELTA_CTRL0C 0x3c0c 80 #define OV5640_REG_FRAME_CTRL01 0x4202 81 #define OV5640_REG_FORMAT_CONTROL00 0x4300 82 #define OV5640_REG_POLARITY_CTRL00 0x4740 83 #define OV5640_REG_MIPI_CTRL00 0x4800 84 #define OV5640_REG_DEBUG_MODE 0x4814 85 #define OV5640_REG_ISP_FORMAT_MUX_CTRL 0x501f 86 #define OV5640_REG_PRE_ISP_TEST_SET1 0x503d 87 #define OV5640_REG_SDE_CTRL0 0x5580 88 #define OV5640_REG_SDE_CTRL1 0x5581 89 #define OV5640_REG_SDE_CTRL3 0x5583 90 #define OV5640_REG_SDE_CTRL4 0x5584 91 #define OV5640_REG_SDE_CTRL5 0x5585 92 #define OV5640_REG_AVG_READOUT 0x56a1 93 94 enum ov5640_mode_id { 95 OV5640_MODE_QCIF_176_144 = 0, 96 OV5640_MODE_QVGA_320_240, 97 OV5640_MODE_VGA_640_480, 98 OV5640_MODE_NTSC_720_480, 99 OV5640_MODE_PAL_720_576, 100 OV5640_MODE_XGA_1024_768, 101 OV5640_MODE_720P_1280_720, 102 OV5640_MODE_1080P_1920_1080, 103 OV5640_MODE_QSXGA_2592_1944, 104 OV5640_NUM_MODES, 105 }; 106 107 enum ov5640_frame_rate { 108 OV5640_15_FPS = 0, 109 OV5640_30_FPS, 110 OV5640_NUM_FRAMERATES, 111 }; 112 113 struct ov5640_pixfmt { 114 u32 code; 115 u32 colorspace; 116 }; 117 118 static const struct ov5640_pixfmt ov5640_formats[] = { 119 { MEDIA_BUS_FMT_JPEG_1X8, V4L2_COLORSPACE_JPEG, }, 120 { MEDIA_BUS_FMT_UYVY8_2X8, V4L2_COLORSPACE_SRGB, }, 121 { MEDIA_BUS_FMT_YUYV8_2X8, V4L2_COLORSPACE_SRGB, }, 122 { MEDIA_BUS_FMT_RGB565_2X8_LE, V4L2_COLORSPACE_SRGB, }, 123 { MEDIA_BUS_FMT_RGB565_2X8_BE, V4L2_COLORSPACE_SRGB, }, 124 }; 125 126 /* 127 * FIXME: remove this when a subdev API becomes available 128 * to set the MIPI CSI-2 virtual channel. 129 */ 130 static unsigned int virtual_channel; 131 module_param(virtual_channel, uint, 0444); 132 MODULE_PARM_DESC(virtual_channel, 133 "MIPI CSI-2 virtual channel (0..3), default 0"); 134 135 static const int ov5640_framerates[] = { 136 [OV5640_15_FPS] = 15, 137 [OV5640_30_FPS] = 30, 138 }; 139 140 /* regulator supplies */ 141 static const char * const ov5640_supply_name[] = { 142 "DOVDD", /* Digital I/O (1.8V) supply */ 143 "DVDD", /* Digital Core (1.5V) supply */ 144 "AVDD", /* Analog (2.8V) supply */ 145 }; 146 147 #define OV5640_NUM_SUPPLIES ARRAY_SIZE(ov5640_supply_name) 148 149 /* 150 * Image size under 1280 * 960 are SUBSAMPLING 151 * Image size upper 1280 * 960 are SCALING 152 */ 153 enum ov5640_downsize_mode { 154 SUBSAMPLING, 155 SCALING, 156 }; 157 158 struct reg_value { 159 u16 reg_addr; 160 u8 val; 161 u8 mask; 162 u32 delay_ms; 163 }; 164 165 struct ov5640_mode_info { 166 enum ov5640_mode_id id; 167 enum ov5640_downsize_mode dn_mode; 168 u32 width; 169 u32 height; 170 const struct reg_value *reg_data; 171 u32 reg_data_size; 172 }; 173 174 struct ov5640_ctrls { 175 struct v4l2_ctrl_handler handler; 176 struct { 177 struct v4l2_ctrl *auto_exp; 178 struct v4l2_ctrl *exposure; 179 }; 180 struct { 181 struct v4l2_ctrl *auto_wb; 182 struct v4l2_ctrl *blue_balance; 183 struct v4l2_ctrl *red_balance; 184 }; 185 struct { 186 struct v4l2_ctrl *auto_gain; 187 struct v4l2_ctrl *gain; 188 }; 189 struct v4l2_ctrl *brightness; 190 struct v4l2_ctrl *saturation; 191 struct v4l2_ctrl *contrast; 192 struct v4l2_ctrl *hue; 193 struct v4l2_ctrl *test_pattern; 194 }; 195 196 struct ov5640_dev { 197 struct i2c_client *i2c_client; 198 struct v4l2_subdev sd; 199 struct media_pad pad; 200 struct v4l2_fwnode_endpoint ep; /* the parsed DT endpoint info */ 201 struct clk *xclk; /* system clock to OV5640 */ 202 u32 xclk_freq; 203 204 struct regulator_bulk_data supplies[OV5640_NUM_SUPPLIES]; 205 struct gpio_desc *reset_gpio; 206 struct gpio_desc *pwdn_gpio; 207 208 /* lock to protect all members below */ 209 struct mutex lock; 210 211 int power_count; 212 213 struct v4l2_mbus_framefmt fmt; 214 215 const struct ov5640_mode_info *current_mode; 216 enum ov5640_frame_rate current_fr; 217 struct v4l2_fract frame_interval; 218 219 struct ov5640_ctrls ctrls; 220 221 u32 prev_sysclk, prev_hts; 222 u32 ae_low, ae_high, ae_target; 223 224 bool pending_mode_change; 225 bool streaming; 226 }; 227 228 static inline struct ov5640_dev *to_ov5640_dev(struct v4l2_subdev *sd) 229 { 230 return container_of(sd, struct ov5640_dev, sd); 231 } 232 233 static inline struct v4l2_subdev *ctrl_to_sd(struct v4l2_ctrl *ctrl) 234 { 235 return &container_of(ctrl->handler, struct ov5640_dev, 236 ctrls.handler)->sd; 237 } 238 239 /* 240 * FIXME: all of these register tables are likely filled with 241 * entries that set the register to their power-on default values, 242 * and which are otherwise not touched by this driver. Those entries 243 * should be identified and removed to speed register load time 244 * over i2c. 245 */ 246 247 static const struct reg_value ov5640_init_setting_30fps_VGA[] = { 248 {0x3103, 0x11, 0, 0}, {0x3008, 0x82, 0, 5}, {0x3008, 0x42, 0, 0}, 249 {0x3103, 0x03, 0, 0}, {0x3017, 0x00, 0, 0}, {0x3018, 0x00, 0, 0}, 250 {0x3034, 0x18, 0, 0}, {0x3035, 0x14, 0, 0}, {0x3036, 0x38, 0, 0}, 251 {0x3037, 0x13, 0, 0}, {0x3108, 0x01, 0, 0}, {0x3630, 0x36, 0, 0}, 252 {0x3631, 0x0e, 0, 0}, {0x3632, 0xe2, 0, 0}, {0x3633, 0x12, 0, 0}, 253 {0x3621, 0xe0, 0, 0}, {0x3704, 0xa0, 0, 0}, {0x3703, 0x5a, 0, 0}, 254 {0x3715, 0x78, 0, 0}, {0x3717, 0x01, 0, 0}, {0x370b, 0x60, 0, 0}, 255 {0x3705, 0x1a, 0, 0}, {0x3905, 0x02, 0, 0}, {0x3906, 0x10, 0, 0}, 256 {0x3901, 0x0a, 0, 0}, {0x3731, 0x12, 0, 0}, {0x3600, 0x08, 0, 0}, 257 {0x3601, 0x33, 0, 0}, {0x302d, 0x60, 0, 0}, {0x3620, 0x52, 0, 0}, 258 {0x371b, 0x20, 0, 0}, {0x471c, 0x50, 0, 0}, {0x3a13, 0x43, 0, 0}, 259 {0x3a18, 0x00, 0, 0}, {0x3a19, 0xf8, 0, 0}, {0x3635, 0x13, 0, 0}, 260 {0x3636, 0x03, 0, 0}, {0x3634, 0x40, 0, 0}, {0x3622, 0x01, 0, 0}, 261 {0x3c01, 0xa4, 0, 0}, {0x3c04, 0x28, 0, 0}, {0x3c05, 0x98, 0, 0}, 262 {0x3c06, 0x00, 0, 0}, {0x3c07, 0x08, 0, 0}, {0x3c08, 0x00, 0, 0}, 263 {0x3c09, 0x1c, 0, 0}, {0x3c0a, 0x9c, 0, 0}, {0x3c0b, 0x40, 0, 0}, 264 {0x3820, 0x41, 0, 0}, {0x3821, 0x07, 0, 0}, {0x3814, 0x31, 0, 0}, 265 {0x3815, 0x31, 0, 0}, {0x3800, 0x00, 0, 0}, {0x3801, 0x00, 0, 0}, 266 {0x3802, 0x00, 0, 0}, {0x3803, 0x04, 0, 0}, {0x3804, 0x0a, 0, 0}, 267 {0x3805, 0x3f, 0, 0}, {0x3806, 0x07, 0, 0}, {0x3807, 0x9b, 0, 0}, 268 {0x3808, 0x02, 0, 0}, {0x3809, 0x80, 0, 0}, {0x380a, 0x01, 0, 0}, 269 {0x380b, 0xe0, 0, 0}, {0x380c, 0x07, 0, 0}, {0x380d, 0x68, 0, 0}, 270 {0x380e, 0x03, 0, 0}, {0x380f, 0xd8, 0, 0}, {0x3810, 0x00, 0, 0}, 271 {0x3811, 0x10, 0, 0}, {0x3812, 0x00, 0, 0}, {0x3813, 0x06, 0, 0}, 272 {0x3618, 0x00, 0, 0}, {0x3612, 0x29, 0, 0}, {0x3708, 0x64, 0, 0}, 273 {0x3709, 0x52, 0, 0}, {0x370c, 0x03, 0, 0}, {0x3a02, 0x03, 0, 0}, 274 {0x3a03, 0xd8, 0, 0}, {0x3a08, 0x01, 0, 0}, {0x3a09, 0x27, 0, 0}, 275 {0x3a0a, 0x00, 0, 0}, {0x3a0b, 0xf6, 0, 0}, {0x3a0e, 0x03, 0, 0}, 276 {0x3a0d, 0x04, 0, 0}, {0x3a14, 0x03, 0, 0}, {0x3a15, 0xd8, 0, 0}, 277 {0x4001, 0x02, 0, 0}, {0x4004, 0x02, 0, 0}, {0x3000, 0x00, 0, 0}, 278 {0x3002, 0x1c, 0, 0}, {0x3004, 0xff, 0, 0}, {0x3006, 0xc3, 0, 0}, 279 {0x300e, 0x45, 0, 0}, {0x302e, 0x08, 0, 0}, {0x4300, 0x3f, 0, 0}, 280 {0x501f, 0x00, 0, 0}, {0x4713, 0x03, 0, 0}, {0x4407, 0x04, 0, 0}, 281 {0x440e, 0x00, 0, 0}, {0x460b, 0x35, 0, 0}, {0x460c, 0x22, 0, 0}, 282 {0x4837, 0x0a, 0, 0}, {0x4800, 0x04, 0, 0}, {0x3824, 0x02, 0, 0}, 283 {0x5000, 0xa7, 0, 0}, {0x5001, 0xa3, 0, 0}, {0x5180, 0xff, 0, 0}, 284 {0x5181, 0xf2, 0, 0}, {0x5182, 0x00, 0, 0}, {0x5183, 0x14, 0, 0}, 285 {0x5184, 0x25, 0, 0}, {0x5185, 0x24, 0, 0}, {0x5186, 0x09, 0, 0}, 286 {0x5187, 0x09, 0, 0}, {0x5188, 0x09, 0, 0}, {0x5189, 0x88, 0, 0}, 287 {0x518a, 0x54, 0, 0}, {0x518b, 0xee, 0, 0}, {0x518c, 0xb2, 0, 0}, 288 {0x518d, 0x50, 0, 0}, {0x518e, 0x34, 0, 0}, {0x518f, 0x6b, 0, 0}, 289 {0x5190, 0x46, 0, 0}, {0x5191, 0xf8, 0, 0}, {0x5192, 0x04, 0, 0}, 290 {0x5193, 0x70, 0, 0}, {0x5194, 0xf0, 0, 0}, {0x5195, 0xf0, 0, 0}, 291 {0x5196, 0x03, 0, 0}, {0x5197, 0x01, 0, 0}, {0x5198, 0x04, 0, 0}, 292 {0x5199, 0x6c, 0, 0}, {0x519a, 0x04, 0, 0}, {0x519b, 0x00, 0, 0}, 293 {0x519c, 0x09, 0, 0}, {0x519d, 0x2b, 0, 0}, {0x519e, 0x38, 0, 0}, 294 {0x5381, 0x1e, 0, 0}, {0x5382, 0x5b, 0, 0}, {0x5383, 0x08, 0, 0}, 295 {0x5384, 0x0a, 0, 0}, {0x5385, 0x7e, 0, 0}, {0x5386, 0x88, 0, 0}, 296 {0x5387, 0x7c, 0, 0}, {0x5388, 0x6c, 0, 0}, {0x5389, 0x10, 0, 0}, 297 {0x538a, 0x01, 0, 0}, {0x538b, 0x98, 0, 0}, {0x5300, 0x08, 0, 0}, 298 {0x5301, 0x30, 0, 0}, {0x5302, 0x10, 0, 0}, {0x5303, 0x00, 0, 0}, 299 {0x5304, 0x08, 0, 0}, {0x5305, 0x30, 0, 0}, {0x5306, 0x08, 0, 0}, 300 {0x5307, 0x16, 0, 0}, {0x5309, 0x08, 0, 0}, {0x530a, 0x30, 0, 0}, 301 {0x530b, 0x04, 0, 0}, {0x530c, 0x06, 0, 0}, {0x5480, 0x01, 0, 0}, 302 {0x5481, 0x08, 0, 0}, {0x5482, 0x14, 0, 0}, {0x5483, 0x28, 0, 0}, 303 {0x5484, 0x51, 0, 0}, {0x5485, 0x65, 0, 0}, {0x5486, 0x71, 0, 0}, 304 {0x5487, 0x7d, 0, 0}, {0x5488, 0x87, 0, 0}, {0x5489, 0x91, 0, 0}, 305 {0x548a, 0x9a, 0, 0}, {0x548b, 0xaa, 0, 0}, {0x548c, 0xb8, 0, 0}, 306 {0x548d, 0xcd, 0, 0}, {0x548e, 0xdd, 0, 0}, {0x548f, 0xea, 0, 0}, 307 {0x5490, 0x1d, 0, 0}, {0x5580, 0x02, 0, 0}, {0x5583, 0x40, 0, 0}, 308 {0x5584, 0x10, 0, 0}, {0x5589, 0x10, 0, 0}, {0x558a, 0x00, 0, 0}, 309 {0x558b, 0xf8, 0, 0}, {0x5800, 0x23, 0, 0}, {0x5801, 0x14, 0, 0}, 310 {0x5802, 0x0f, 0, 0}, {0x5803, 0x0f, 0, 0}, {0x5804, 0x12, 0, 0}, 311 {0x5805, 0x26, 0, 0}, {0x5806, 0x0c, 0, 0}, {0x5807, 0x08, 0, 0}, 312 {0x5808, 0x05, 0, 0}, {0x5809, 0x05, 0, 0}, {0x580a, 0x08, 0, 0}, 313 {0x580b, 0x0d, 0, 0}, {0x580c, 0x08, 0, 0}, {0x580d, 0x03, 0, 0}, 314 {0x580e, 0x00, 0, 0}, {0x580f, 0x00, 0, 0}, {0x5810, 0x03, 0, 0}, 315 {0x5811, 0x09, 0, 0}, {0x5812, 0x07, 0, 0}, {0x5813, 0x03, 0, 0}, 316 {0x5814, 0x00, 0, 0}, {0x5815, 0x01, 0, 0}, {0x5816, 0x03, 0, 0}, 317 {0x5817, 0x08, 0, 0}, {0x5818, 0x0d, 0, 0}, {0x5819, 0x08, 0, 0}, 318 {0x581a, 0x05, 0, 0}, {0x581b, 0x06, 0, 0}, {0x581c, 0x08, 0, 0}, 319 {0x581d, 0x0e, 0, 0}, {0x581e, 0x29, 0, 0}, {0x581f, 0x17, 0, 0}, 320 {0x5820, 0x11, 0, 0}, {0x5821, 0x11, 0, 0}, {0x5822, 0x15, 0, 0}, 321 {0x5823, 0x28, 0, 0}, {0x5824, 0x46, 0, 0}, {0x5825, 0x26, 0, 0}, 322 {0x5826, 0x08, 0, 0}, {0x5827, 0x26, 0, 0}, {0x5828, 0x64, 0, 0}, 323 {0x5829, 0x26, 0, 0}, {0x582a, 0x24, 0, 0}, {0x582b, 0x22, 0, 0}, 324 {0x582c, 0x24, 0, 0}, {0x582d, 0x24, 0, 0}, {0x582e, 0x06, 0, 0}, 325 {0x582f, 0x22, 0, 0}, {0x5830, 0x40, 0, 0}, {0x5831, 0x42, 0, 0}, 326 {0x5832, 0x24, 0, 0}, {0x5833, 0x26, 0, 0}, {0x5834, 0x24, 0, 0}, 327 {0x5835, 0x22, 0, 0}, {0x5836, 0x22, 0, 0}, {0x5837, 0x26, 0, 0}, 328 {0x5838, 0x44, 0, 0}, {0x5839, 0x24, 0, 0}, {0x583a, 0x26, 0, 0}, 329 {0x583b, 0x28, 0, 0}, {0x583c, 0x42, 0, 0}, {0x583d, 0xce, 0, 0}, 330 {0x5025, 0x00, 0, 0}, {0x3a0f, 0x30, 0, 0}, {0x3a10, 0x28, 0, 0}, 331 {0x3a1b, 0x30, 0, 0}, {0x3a1e, 0x26, 0, 0}, {0x3a11, 0x60, 0, 0}, 332 {0x3a1f, 0x14, 0, 0}, {0x3008, 0x02, 0, 0}, {0x3c00, 0x04, 0, 300}, 333 }; 334 335 static const struct reg_value ov5640_setting_30fps_VGA_640_480[] = { 336 {0x3035, 0x14, 0, 0}, {0x3036, 0x38, 0, 0}, {0x3c07, 0x08, 0, 0}, 337 {0x3c09, 0x1c, 0, 0}, {0x3c0a, 0x9c, 0, 0}, {0x3c0b, 0x40, 0, 0}, 338 {0x3820, 0x41, 0, 0}, {0x3821, 0x07, 0, 0}, {0x3814, 0x31, 0, 0}, 339 {0x3815, 0x31, 0, 0}, {0x3800, 0x00, 0, 0}, {0x3801, 0x00, 0, 0}, 340 {0x3802, 0x00, 0, 0}, {0x3803, 0x04, 0, 0}, {0x3804, 0x0a, 0, 0}, 341 {0x3805, 0x3f, 0, 0}, {0x3806, 0x07, 0, 0}, {0x3807, 0x9b, 0, 0}, 342 {0x3808, 0x02, 0, 0}, {0x3809, 0x80, 0, 0}, {0x380a, 0x01, 0, 0}, 343 {0x380b, 0xe0, 0, 0}, {0x380c, 0x07, 0, 0}, {0x380d, 0x68, 0, 0}, 344 {0x380e, 0x04, 0, 0}, {0x380f, 0x38, 0, 0}, {0x3810, 0x00, 0, 0}, 345 {0x3811, 0x10, 0, 0}, {0x3812, 0x00, 0, 0}, {0x3813, 0x06, 0, 0}, 346 {0x3618, 0x00, 0, 0}, {0x3612, 0x29, 0, 0}, {0x3708, 0x64, 0, 0}, 347 {0x3709, 0x52, 0, 0}, {0x370c, 0x03, 0, 0}, {0x3a02, 0x03, 0, 0}, 348 {0x3a03, 0xd8, 0, 0}, {0x3a08, 0x01, 0, 0}, {0x3a09, 0x0e, 0, 0}, 349 {0x3a0a, 0x00, 0, 0}, {0x3a0b, 0xf6, 0, 0}, {0x3a0e, 0x03, 0, 0}, 350 {0x3a0d, 0x04, 0, 0}, {0x3a14, 0x03, 0, 0}, {0x3a15, 0xd8, 0, 0}, 351 {0x4001, 0x02, 0, 0}, {0x4004, 0x02, 0, 0}, {0x4713, 0x03, 0, 0}, 352 {0x4407, 0x04, 0, 0}, {0x460b, 0x35, 0, 0}, {0x460c, 0x22, 0, 0}, 353 {0x3824, 0x02, 0, 0}, {0x5001, 0xa3, 0, 0}, {0x3503, 0x00, 0, 0}, 354 }; 355 356 static const struct reg_value ov5640_setting_15fps_VGA_640_480[] = { 357 {0x3035, 0x22, 0, 0}, {0x3036, 0x38, 0, 0}, {0x3c07, 0x08, 0, 0}, 358 {0x3c09, 0x1c, 0, 0}, {0x3c0a, 0x9c, 0, 0}, {0x3c0b, 0x40, 0, 0}, 359 {0x3820, 0x41, 0, 0}, {0x3821, 0x07, 0, 0}, {0x3814, 0x31, 0, 0}, 360 {0x3815, 0x31, 0, 0}, {0x3800, 0x00, 0, 0}, {0x3801, 0x00, 0, 0}, 361 {0x3802, 0x00, 0, 0}, {0x3803, 0x04, 0, 0}, {0x3804, 0x0a, 0, 0}, 362 {0x3805, 0x3f, 0, 0}, {0x3806, 0x07, 0, 0}, {0x3807, 0x9b, 0, 0}, 363 {0x3808, 0x02, 0, 0}, {0x3809, 0x80, 0, 0}, {0x380a, 0x01, 0, 0}, 364 {0x380b, 0xe0, 0, 0}, {0x380c, 0x07, 0, 0}, {0x380d, 0x68, 0, 0}, 365 {0x380e, 0x03, 0, 0}, {0x380f, 0xd8, 0, 0}, {0x3810, 0x00, 0, 0}, 366 {0x3811, 0x10, 0, 0}, {0x3812, 0x00, 0, 0}, {0x3813, 0x06, 0, 0}, 367 {0x3618, 0x00, 0, 0}, {0x3612, 0x29, 0, 0}, {0x3708, 0x64, 0, 0}, 368 {0x3709, 0x52, 0, 0}, {0x370c, 0x03, 0, 0}, {0x3a02, 0x03, 0, 0}, 369 {0x3a03, 0xd8, 0, 0}, {0x3a08, 0x01, 0, 0}, {0x3a09, 0x27, 0, 0}, 370 {0x3a0a, 0x00, 0, 0}, {0x3a0b, 0xf6, 0, 0}, {0x3a0e, 0x03, 0, 0}, 371 {0x3a0d, 0x04, 0, 0}, {0x3a14, 0x03, 0, 0}, {0x3a15, 0xd8, 0, 0}, 372 {0x4001, 0x02, 0, 0}, {0x4004, 0x02, 0, 0}, {0x4713, 0x03, 0, 0}, 373 {0x4407, 0x04, 0, 0}, {0x460b, 0x35, 0, 0}, {0x460c, 0x22, 0, 0}, 374 {0x3824, 0x02, 0, 0}, {0x5001, 0xa3, 0, 0}, 375 }; 376 377 static const struct reg_value ov5640_setting_30fps_XGA_1024_768[] = { 378 {0x3035, 0x14, 0, 0}, {0x3036, 0x38, 0, 0}, {0x3c07, 0x08, 0, 0}, 379 {0x3c09, 0x1c, 0, 0}, {0x3c0a, 0x9c, 0, 0}, {0x3c0b, 0x40, 0, 0}, 380 {0x3820, 0x41, 0, 0}, {0x3821, 0x07, 0, 0}, {0x3814, 0x31, 0, 0}, 381 {0x3815, 0x31, 0, 0}, {0x3800, 0x00, 0, 0}, {0x3801, 0x00, 0, 0}, 382 {0x3802, 0x00, 0, 0}, {0x3803, 0x04, 0, 0}, {0x3804, 0x0a, 0, 0}, 383 {0x3805, 0x3f, 0, 0}, {0x3806, 0x07, 0, 0}, {0x3807, 0x9b, 0, 0}, 384 {0x3808, 0x02, 0, 0}, {0x3809, 0x80, 0, 0}, {0x380a, 0x01, 0, 0}, 385 {0x380b, 0xe0, 0, 0}, {0x380c, 0x07, 0, 0}, {0x380d, 0x68, 0, 0}, 386 {0x380e, 0x04, 0, 0}, {0x380f, 0x38, 0, 0}, {0x3810, 0x00, 0, 0}, 387 {0x3811, 0x10, 0, 0}, {0x3812, 0x00, 0, 0}, {0x3813, 0x06, 0, 0}, 388 {0x3618, 0x00, 0, 0}, {0x3612, 0x29, 0, 0}, {0x3708, 0x64, 0, 0}, 389 {0x3709, 0x52, 0, 0}, {0x370c, 0x03, 0, 0}, {0x3a02, 0x03, 0, 0}, 390 {0x3a03, 0xd8, 0, 0}, {0x3a08, 0x01, 0, 0}, {0x3a09, 0x0e, 0, 0}, 391 {0x3a0a, 0x00, 0, 0}, {0x3a0b, 0xf6, 0, 0}, {0x3a0e, 0x03, 0, 0}, 392 {0x3a0d, 0x04, 0, 0}, {0x3a14, 0x03, 0, 0}, {0x3a15, 0xd8, 0, 0}, 393 {0x4001, 0x02, 0, 0}, {0x4004, 0x02, 0, 0}, {0x4713, 0x03, 0, 0}, 394 {0x4407, 0x04, 0, 0}, {0x460b, 0x35, 0, 0}, {0x460c, 0x22, 0, 0}, 395 {0x3824, 0x02, 0, 0}, {0x5001, 0xa3, 0, 0}, {0x3503, 0x00, 0, 0}, 396 {0x3808, 0x04, 0, 0}, {0x3809, 0x00, 0, 0}, {0x380a, 0x03, 0, 0}, 397 {0x380b, 0x00, 0, 0}, {0x3035, 0x12, 0, 0}, 398 }; 399 400 static const struct reg_value ov5640_setting_15fps_XGA_1024_768[] = { 401 {0x3035, 0x22, 0, 0}, {0x3036, 0x38, 0, 0}, {0x3c07, 0x08, 0, 0}, 402 {0x3c09, 0x1c, 0, 0}, {0x3c0a, 0x9c, 0, 0}, {0x3c0b, 0x40, 0, 0}, 403 {0x3820, 0x41, 0, 0}, {0x3821, 0x07, 0, 0}, {0x3814, 0x31, 0, 0}, 404 {0x3815, 0x31, 0, 0}, {0x3800, 0x00, 0, 0}, {0x3801, 0x00, 0, 0}, 405 {0x3802, 0x00, 0, 0}, {0x3803, 0x04, 0, 0}, {0x3804, 0x0a, 0, 0}, 406 {0x3805, 0x3f, 0, 0}, {0x3806, 0x07, 0, 0}, {0x3807, 0x9b, 0, 0}, 407 {0x3808, 0x02, 0, 0}, {0x3809, 0x80, 0, 0}, {0x380a, 0x01, 0, 0}, 408 {0x380b, 0xe0, 0, 0}, {0x380c, 0x07, 0, 0}, {0x380d, 0x68, 0, 0}, 409 {0x380e, 0x03, 0, 0}, {0x380f, 0xd8, 0, 0}, {0x3810, 0x00, 0, 0}, 410 {0x3811, 0x10, 0, 0}, {0x3812, 0x00, 0, 0}, {0x3813, 0x06, 0, 0}, 411 {0x3618, 0x00, 0, 0}, {0x3612, 0x29, 0, 0}, {0x3708, 0x64, 0, 0}, 412 {0x3709, 0x52, 0, 0}, {0x370c, 0x03, 0, 0}, {0x3a02, 0x03, 0, 0}, 413 {0x3a03, 0xd8, 0, 0}, {0x3a08, 0x01, 0, 0}, {0x3a09, 0x27, 0, 0}, 414 {0x3a0a, 0x00, 0, 0}, {0x3a0b, 0xf6, 0, 0}, {0x3a0e, 0x03, 0, 0}, 415 {0x3a0d, 0x04, 0, 0}, {0x3a14, 0x03, 0, 0}, {0x3a15, 0xd8, 0, 0}, 416 {0x4001, 0x02, 0, 0}, {0x4004, 0x02, 0, 0}, {0x4713, 0x03, 0, 0}, 417 {0x4407, 0x04, 0, 0}, {0x460b, 0x35, 0, 0}, {0x460c, 0x22, 0, 0}, 418 {0x3824, 0x02, 0, 0}, {0x5001, 0xa3, 0, 0}, {0x3808, 0x04, 0, 0}, 419 {0x3809, 0x00, 0, 0}, {0x380a, 0x03, 0, 0}, {0x380b, 0x00, 0, 0}, 420 }; 421 422 static const struct reg_value ov5640_setting_30fps_QVGA_320_240[] = { 423 {0x3035, 0x14, 0, 0}, {0x3036, 0x38, 0, 0}, {0x3c07, 0x08, 0, 0}, 424 {0x3c09, 0x1c, 0, 0}, {0x3c0a, 0x9c, 0, 0}, {0x3c0b, 0x40, 0, 0}, 425 {0x3820, 0x41, 0, 0}, {0x3821, 0x07, 0, 0}, {0x3814, 0x31, 0, 0}, 426 {0x3815, 0x31, 0, 0}, {0x3800, 0x00, 0, 0}, {0x3801, 0x00, 0, 0}, 427 {0x3802, 0x00, 0, 0}, {0x3803, 0x04, 0, 0}, {0x3804, 0x0a, 0, 0}, 428 {0x3805, 0x3f, 0, 0}, {0x3806, 0x07, 0, 0}, {0x3807, 0x9b, 0, 0}, 429 {0x3808, 0x01, 0, 0}, {0x3809, 0x40, 0, 0}, {0x380a, 0x00, 0, 0}, 430 {0x380b, 0xf0, 0, 0}, {0x380c, 0x07, 0, 0}, {0x380d, 0x68, 0, 0}, 431 {0x380e, 0x03, 0, 0}, {0x380f, 0xd8, 0, 0}, {0x3810, 0x00, 0, 0}, 432 {0x3811, 0x10, 0, 0}, {0x3812, 0x00, 0, 0}, {0x3813, 0x06, 0, 0}, 433 {0x3618, 0x00, 0, 0}, {0x3612, 0x29, 0, 0}, {0x3708, 0x64, 0, 0}, 434 {0x3709, 0x52, 0, 0}, {0x370c, 0x03, 0, 0}, {0x3a02, 0x03, 0, 0}, 435 {0x3a03, 0xd8, 0, 0}, {0x3a08, 0x01, 0, 0}, {0x3a09, 0x27, 0, 0}, 436 {0x3a0a, 0x00, 0, 0}, {0x3a0b, 0xf6, 0, 0}, {0x3a0e, 0x03, 0, 0}, 437 {0x3a0d, 0x04, 0, 0}, {0x3a14, 0x03, 0, 0}, {0x3a15, 0xd8, 0, 0}, 438 {0x4001, 0x02, 0, 0}, {0x4004, 0x02, 0, 0}, {0x4713, 0x03, 0, 0}, 439 {0x4407, 0x04, 0, 0}, {0x460b, 0x35, 0, 0}, {0x460c, 0x22, 0, 0}, 440 {0x3824, 0x02, 0, 0}, {0x5001, 0xa3, 0, 0}, 441 }; 442 443 static const struct reg_value ov5640_setting_15fps_QVGA_320_240[] = { 444 {0x3035, 0x22, 0, 0}, {0x3036, 0x38, 0, 0}, {0x3c07, 0x08, 0, 0}, 445 {0x3c09, 0x1c, 0, 0}, {0x3c0a, 0x9c, 0, 0}, {0x3c0b, 0x40, 0, 0}, 446 {0x3820, 0x41, 0, 0}, {0x3821, 0x07, 0, 0}, {0x3814, 0x31, 0, 0}, 447 {0x3815, 0x31, 0, 0}, {0x3800, 0x00, 0, 0}, {0x3801, 0x00, 0, 0}, 448 {0x3802, 0x00, 0, 0}, {0x3803, 0x04, 0, 0}, {0x3804, 0x0a, 0, 0}, 449 {0x3805, 0x3f, 0, 0}, {0x3806, 0x07, 0, 0}, {0x3807, 0x9b, 0, 0}, 450 {0x3808, 0x01, 0, 0}, {0x3809, 0x40, 0, 0}, {0x380a, 0x00, 0, 0}, 451 {0x380b, 0xf0, 0, 0}, {0x380c, 0x07, 0, 0}, {0x380d, 0x68, 0, 0}, 452 {0x380e, 0x03, 0, 0}, {0x380f, 0xd8, 0, 0}, {0x3810, 0x00, 0, 0}, 453 {0x3811, 0x10, 0, 0}, {0x3812, 0x00, 0, 0}, {0x3813, 0x06, 0, 0}, 454 {0x3618, 0x00, 0, 0}, {0x3612, 0x29, 0, 0}, {0x3708, 0x64, 0, 0}, 455 {0x3709, 0x52, 0, 0}, {0x370c, 0x03, 0, 0}, {0x3a02, 0x03, 0, 0}, 456 {0x3a03, 0xd8, 0, 0}, {0x3a08, 0x01, 0, 0}, {0x3a09, 0x27, 0, 0}, 457 {0x3a0a, 0x00, 0, 0}, {0x3a0b, 0xf6, 0, 0}, {0x3a0e, 0x03, 0, 0}, 458 {0x3a0d, 0x04, 0, 0}, {0x3a14, 0x03, 0, 0}, {0x3a15, 0xd8, 0, 0}, 459 {0x4001, 0x02, 0, 0}, {0x4004, 0x02, 0, 0}, {0x4713, 0x03, 0, 0}, 460 {0x4407, 0x04, 0, 0}, {0x460b, 0x35, 0, 0}, {0x460c, 0x22, 0, 0}, 461 {0x3824, 0x02, 0, 0}, {0x5001, 0xa3, 0, 0}, 462 }; 463 464 static const struct reg_value ov5640_setting_30fps_QCIF_176_144[] = { 465 {0x3035, 0x14, 0, 0}, {0x3036, 0x38, 0, 0}, {0x3c07, 0x08, 0, 0}, 466 {0x3c09, 0x1c, 0, 0}, {0x3c0a, 0x9c, 0, 0}, {0x3c0b, 0x40, 0, 0}, 467 {0x3820, 0x41, 0, 0}, {0x3821, 0x07, 0, 0}, {0x3814, 0x31, 0, 0}, 468 {0x3815, 0x31, 0, 0}, {0x3800, 0x00, 0, 0}, {0x3801, 0x00, 0, 0}, 469 {0x3802, 0x00, 0, 0}, {0x3803, 0x04, 0, 0}, {0x3804, 0x0a, 0, 0}, 470 {0x3805, 0x3f, 0, 0}, {0x3806, 0x07, 0, 0}, {0x3807, 0x9b, 0, 0}, 471 {0x3808, 0x00, 0, 0}, {0x3809, 0xb0, 0, 0}, {0x380a, 0x00, 0, 0}, 472 {0x380b, 0x90, 0, 0}, {0x380c, 0x07, 0, 0}, {0x380d, 0x68, 0, 0}, 473 {0x380e, 0x03, 0, 0}, {0x380f, 0xd8, 0, 0}, {0x3810, 0x00, 0, 0}, 474 {0x3811, 0x10, 0, 0}, {0x3812, 0x00, 0, 0}, {0x3813, 0x06, 0, 0}, 475 {0x3618, 0x00, 0, 0}, {0x3612, 0x29, 0, 0}, {0x3708, 0x64, 0, 0}, 476 {0x3709, 0x52, 0, 0}, {0x370c, 0x03, 0, 0}, {0x3a02, 0x03, 0, 0}, 477 {0x3a03, 0xd8, 0, 0}, {0x3a08, 0x01, 0, 0}, {0x3a09, 0x27, 0, 0}, 478 {0x3a0a, 0x00, 0, 0}, {0x3a0b, 0xf6, 0, 0}, {0x3a0e, 0x03, 0, 0}, 479 {0x3a0d, 0x04, 0, 0}, {0x3a14, 0x03, 0, 0}, {0x3a15, 0xd8, 0, 0}, 480 {0x4001, 0x02, 0, 0}, {0x4004, 0x02, 0, 0}, {0x4713, 0x03, 0, 0}, 481 {0x4407, 0x04, 0, 0}, {0x460b, 0x35, 0, 0}, {0x460c, 0x22, 0, 0}, 482 {0x3824, 0x02, 0, 0}, {0x5001, 0xa3, 0, 0}, 483 }; 484 485 static const struct reg_value ov5640_setting_15fps_QCIF_176_144[] = { 486 {0x3035, 0x22, 0, 0}, {0x3036, 0x38, 0, 0}, {0x3c07, 0x08, 0, 0}, 487 {0x3c09, 0x1c, 0, 0}, {0x3c0a, 0x9c, 0, 0}, {0x3c0b, 0x40, 0, 0}, 488 {0x3820, 0x41, 0, 0}, {0x3821, 0x07, 0, 0}, {0x3814, 0x31, 0, 0}, 489 {0x3815, 0x31, 0, 0}, {0x3800, 0x00, 0, 0}, {0x3801, 0x00, 0, 0}, 490 {0x3802, 0x00, 0, 0}, {0x3803, 0x04, 0, 0}, {0x3804, 0x0a, 0, 0}, 491 {0x3805, 0x3f, 0, 0}, {0x3806, 0x07, 0, 0}, {0x3807, 0x9b, 0, 0}, 492 {0x3808, 0x00, 0, 0}, {0x3809, 0xb0, 0, 0}, {0x380a, 0x00, 0, 0}, 493 {0x380b, 0x90, 0, 0}, {0x380c, 0x07, 0, 0}, {0x380d, 0x68, 0, 0}, 494 {0x380e, 0x03, 0, 0}, {0x380f, 0xd8, 0, 0}, {0x3810, 0x00, 0, 0}, 495 {0x3811, 0x10, 0, 0}, {0x3812, 0x00, 0, 0}, {0x3813, 0x06, 0, 0}, 496 {0x3618, 0x00, 0, 0}, {0x3612, 0x29, 0, 0}, {0x3708, 0x64, 0, 0}, 497 {0x3709, 0x52, 0, 0}, {0x370c, 0x03, 0, 0}, {0x3a02, 0x03, 0, 0}, 498 {0x3a03, 0xd8, 0, 0}, {0x3a08, 0x01, 0, 0}, {0x3a09, 0x27, 0, 0}, 499 {0x3a0a, 0x00, 0, 0}, {0x3a0b, 0xf6, 0, 0}, {0x3a0e, 0x03, 0, 0}, 500 {0x3a0d, 0x04, 0, 0}, {0x3a14, 0x03, 0, 0}, {0x3a15, 0xd8, 0, 0}, 501 {0x4001, 0x02, 0, 0}, {0x4004, 0x02, 0, 0}, {0x4713, 0x03, 0, 0}, 502 {0x4407, 0x04, 0, 0}, {0x460b, 0x35, 0, 0}, {0x460c, 0x22, 0, 0}, 503 {0x3824, 0x02, 0, 0}, {0x5001, 0xa3, 0, 0}, 504 }; 505 506 static const struct reg_value ov5640_setting_30fps_NTSC_720_480[] = { 507 {0x3035, 0x12, 0, 0}, {0x3036, 0x38, 0, 0}, {0x3c07, 0x08, 0, 0}, 508 {0x3c09, 0x1c, 0, 0}, {0x3c0a, 0x9c, 0, 0}, {0x3c0b, 0x40, 0, 0}, 509 {0x3820, 0x41, 0, 0}, {0x3821, 0x07, 0, 0}, {0x3814, 0x31, 0, 0}, 510 {0x3815, 0x31, 0, 0}, {0x3800, 0x00, 0, 0}, {0x3801, 0x00, 0, 0}, 511 {0x3802, 0x00, 0, 0}, {0x3803, 0x04, 0, 0}, {0x3804, 0x0a, 0, 0}, 512 {0x3805, 0x3f, 0, 0}, {0x3806, 0x07, 0, 0}, {0x3807, 0x9b, 0, 0}, 513 {0x3808, 0x02, 0, 0}, {0x3809, 0xd0, 0, 0}, {0x380a, 0x01, 0, 0}, 514 {0x380b, 0xe0, 0, 0}, {0x380c, 0x07, 0, 0}, {0x380d, 0x68, 0, 0}, 515 {0x380e, 0x03, 0, 0}, {0x380f, 0xd8, 0, 0}, {0x3810, 0x00, 0, 0}, 516 {0x3811, 0x10, 0, 0}, {0x3812, 0x00, 0, 0}, {0x3813, 0x3c, 0, 0}, 517 {0x3618, 0x00, 0, 0}, {0x3612, 0x29, 0, 0}, {0x3708, 0x64, 0, 0}, 518 {0x3709, 0x52, 0, 0}, {0x370c, 0x03, 0, 0}, {0x3a02, 0x03, 0, 0}, 519 {0x3a03, 0xd8, 0, 0}, {0x3a08, 0x01, 0, 0}, {0x3a09, 0x27, 0, 0}, 520 {0x3a0a, 0x00, 0, 0}, {0x3a0b, 0xf6, 0, 0}, {0x3a0e, 0x03, 0, 0}, 521 {0x3a0d, 0x04, 0, 0}, {0x3a14, 0x03, 0, 0}, {0x3a15, 0xd8, 0, 0}, 522 {0x4001, 0x02, 0, 0}, {0x4004, 0x02, 0, 0}, {0x4713, 0x03, 0, 0}, 523 {0x4407, 0x04, 0, 0}, {0x460b, 0x35, 0, 0}, {0x460c, 0x22, 0, 0}, 524 {0x3824, 0x02, 0, 0}, {0x5001, 0xa3, 0, 0}, 525 }; 526 527 static const struct reg_value ov5640_setting_15fps_NTSC_720_480[] = { 528 {0x3035, 0x22, 0, 0}, {0x3036, 0x38, 0, 0}, {0x3c07, 0x08, 0, 0}, 529 {0x3c09, 0x1c, 0, 0}, {0x3c0a, 0x9c, 0, 0}, {0x3c0b, 0x40, 0, 0}, 530 {0x3820, 0x41, 0, 0}, {0x3821, 0x07, 0, 0}, {0x3814, 0x31, 0, 0}, 531 {0x3815, 0x31, 0, 0}, {0x3800, 0x00, 0, 0}, {0x3801, 0x00, 0, 0}, 532 {0x3802, 0x00, 0, 0}, {0x3803, 0x04, 0, 0}, {0x3804, 0x0a, 0, 0}, 533 {0x3805, 0x3f, 0, 0}, {0x3806, 0x07, 0, 0}, {0x3807, 0x9b, 0, 0}, 534 {0x3808, 0x02, 0, 0}, {0x3809, 0xd0, 0, 0}, {0x380a, 0x01, 0, 0}, 535 {0x380b, 0xe0, 0, 0}, {0x380c, 0x07, 0, 0}, {0x380d, 0x68, 0, 0}, 536 {0x380e, 0x03, 0, 0}, {0x380f, 0xd8, 0, 0}, {0x3810, 0x00, 0, 0}, 537 {0x3811, 0x10, 0, 0}, {0x3812, 0x00, 0, 0}, {0x3813, 0x3c, 0, 0}, 538 {0x3618, 0x00, 0, 0}, {0x3612, 0x29, 0, 0}, {0x3708, 0x64, 0, 0}, 539 {0x3709, 0x52, 0, 0}, {0x370c, 0x03, 0, 0}, {0x3a02, 0x03, 0, 0}, 540 {0x3a03, 0xd8, 0, 0}, {0x3a08, 0x01, 0, 0}, {0x3a09, 0x27, 0, 0}, 541 {0x3a0a, 0x00, 0, 0}, {0x3a0b, 0xf6, 0, 0}, {0x3a0e, 0x03, 0, 0}, 542 {0x3a0d, 0x04, 0, 0}, {0x3a14, 0x03, 0, 0}, {0x3a15, 0xd8, 0, 0}, 543 {0x4001, 0x02, 0, 0}, {0x4004, 0x02, 0, 0}, {0x4713, 0x03, 0, 0}, 544 {0x4407, 0x04, 0, 0}, {0x460b, 0x35, 0, 0}, {0x460c, 0x22, 0, 0}, 545 {0x3824, 0x02, 0, 0}, {0x5001, 0xa3, 0, 0}, 546 }; 547 548 static const struct reg_value ov5640_setting_30fps_PAL_720_576[] = { 549 {0x3035, 0x12, 0, 0}, {0x3036, 0x38, 0, 0}, {0x3c07, 0x08, 0, 0}, 550 {0x3c09, 0x1c, 0, 0}, {0x3c0a, 0x9c, 0, 0}, {0x3c0b, 0x40, 0, 0}, 551 {0x3820, 0x41, 0, 0}, {0x3821, 0x07, 0, 0}, {0x3814, 0x31, 0, 0}, 552 {0x3815, 0x31, 0, 0}, {0x3800, 0x00, 0, 0}, {0x3801, 0x00, 0, 0}, 553 {0x3802, 0x00, 0, 0}, {0x3803, 0x04, 0, 0}, {0x3804, 0x0a, 0, 0}, 554 {0x3805, 0x3f, 0, 0}, {0x3806, 0x07, 0, 0}, {0x3807, 0x9b, 0, 0}, 555 {0x3808, 0x02, 0, 0}, {0x3809, 0xd0, 0, 0}, {0x380a, 0x02, 0, 0}, 556 {0x380b, 0x40, 0, 0}, {0x380c, 0x07, 0, 0}, {0x380d, 0x68, 0, 0}, 557 {0x380e, 0x03, 0, 0}, {0x380f, 0xd8, 0, 0}, {0x3810, 0x00, 0, 0}, 558 {0x3811, 0x38, 0, 0}, {0x3812, 0x00, 0, 0}, {0x3813, 0x06, 0, 0}, 559 {0x3618, 0x00, 0, 0}, {0x3612, 0x29, 0, 0}, {0x3708, 0x64, 0, 0}, 560 {0x3709, 0x52, 0, 0}, {0x370c, 0x03, 0, 0}, {0x3a02, 0x03, 0, 0}, 561 {0x3a03, 0xd8, 0, 0}, {0x3a08, 0x01, 0, 0}, {0x3a09, 0x27, 0, 0}, 562 {0x3a0a, 0x00, 0, 0}, {0x3a0b, 0xf6, 0, 0}, {0x3a0e, 0x03, 0, 0}, 563 {0x3a0d, 0x04, 0, 0}, {0x3a14, 0x03, 0, 0}, {0x3a15, 0xd8, 0, 0}, 564 {0x4001, 0x02, 0, 0}, {0x4004, 0x02, 0, 0}, {0x4713, 0x03, 0, 0}, 565 {0x4407, 0x04, 0, 0}, {0x460b, 0x35, 0, 0}, {0x460c, 0x22, 0, 0}, 566 {0x3824, 0x02, 0, 0}, {0x5001, 0xa3, 0, 0}, 567 }; 568 569 static const struct reg_value ov5640_setting_15fps_PAL_720_576[] = { 570 {0x3035, 0x22, 0, 0}, {0x3036, 0x38, 0, 0}, {0x3c07, 0x08, 0, 0}, 571 {0x3c09, 0x1c, 0, 0}, {0x3c0a, 0x9c, 0, 0}, {0x3c0b, 0x40, 0, 0}, 572 {0x3820, 0x41, 0, 0}, {0x3821, 0x07, 0, 0}, {0x3814, 0x31, 0, 0}, 573 {0x3815, 0x31, 0, 0}, {0x3800, 0x00, 0, 0}, {0x3801, 0x00, 0, 0}, 574 {0x3802, 0x00, 0, 0}, {0x3803, 0x04, 0, 0}, {0x3804, 0x0a, 0, 0}, 575 {0x3805, 0x3f, 0, 0}, {0x3806, 0x07, 0, 0}, {0x3807, 0x9b, 0, 0}, 576 {0x3808, 0x02, 0, 0}, {0x3809, 0xd0, 0, 0}, {0x380a, 0x02, 0, 0}, 577 {0x380b, 0x40, 0, 0}, {0x380c, 0x07, 0, 0}, {0x380d, 0x68, 0, 0}, 578 {0x380e, 0x03, 0, 0}, {0x380f, 0xd8, 0, 0}, {0x3810, 0x00, 0, 0}, 579 {0x3811, 0x38, 0, 0}, {0x3812, 0x00, 0, 0}, {0x3813, 0x06, 0, 0}, 580 {0x3618, 0x00, 0, 0}, {0x3612, 0x29, 0, 0}, {0x3708, 0x64, 0, 0}, 581 {0x3709, 0x52, 0, 0}, {0x370c, 0x03, 0, 0}, {0x3a02, 0x03, 0, 0}, 582 {0x3a03, 0xd8, 0, 0}, {0x3a08, 0x01, 0, 0}, {0x3a09, 0x27, 0, 0}, 583 {0x3a0a, 0x00, 0, 0}, {0x3a0b, 0xf6, 0, 0}, {0x3a0e, 0x03, 0, 0}, 584 {0x3a0d, 0x04, 0, 0}, {0x3a14, 0x03, 0, 0}, {0x3a15, 0xd8, 0, 0}, 585 {0x4001, 0x02, 0, 0}, {0x4004, 0x02, 0, 0}, {0x4713, 0x03, 0, 0}, 586 {0x4407, 0x04, 0, 0}, {0x460b, 0x35, 0, 0}, {0x460c, 0x22, 0, 0}, 587 {0x3824, 0x02, 0, 0}, {0x5001, 0xa3, 0, 0}, 588 }; 589 590 static const struct reg_value ov5640_setting_30fps_720P_1280_720[] = { 591 {0x3008, 0x42, 0, 0}, 592 {0x3035, 0x21, 0, 0}, {0x3036, 0x54, 0, 0}, {0x3c07, 0x07, 0, 0}, 593 {0x3c09, 0x1c, 0, 0}, {0x3c0a, 0x9c, 0, 0}, {0x3c0b, 0x40, 0, 0}, 594 {0x3820, 0x41, 0, 0}, {0x3821, 0x07, 0, 0}, {0x3814, 0x31, 0, 0}, 595 {0x3815, 0x31, 0, 0}, {0x3800, 0x00, 0, 0}, {0x3801, 0x00, 0, 0}, 596 {0x3802, 0x00, 0, 0}, {0x3803, 0xfa, 0, 0}, {0x3804, 0x0a, 0, 0}, 597 {0x3805, 0x3f, 0, 0}, {0x3806, 0x06, 0, 0}, {0x3807, 0xa9, 0, 0}, 598 {0x3808, 0x05, 0, 0}, {0x3809, 0x00, 0, 0}, {0x380a, 0x02, 0, 0}, 599 {0x380b, 0xd0, 0, 0}, {0x380c, 0x07, 0, 0}, {0x380d, 0x64, 0, 0}, 600 {0x380e, 0x02, 0, 0}, {0x380f, 0xe4, 0, 0}, {0x3810, 0x00, 0, 0}, 601 {0x3811, 0x10, 0, 0}, {0x3812, 0x00, 0, 0}, {0x3813, 0x04, 0, 0}, 602 {0x3618, 0x00, 0, 0}, {0x3612, 0x29, 0, 0}, {0x3708, 0x64, 0, 0}, 603 {0x3709, 0x52, 0, 0}, {0x370c, 0x03, 0, 0}, {0x3a02, 0x02, 0, 0}, 604 {0x3a03, 0xe4, 0, 0}, {0x3a08, 0x01, 0, 0}, {0x3a09, 0xbc, 0, 0}, 605 {0x3a0a, 0x01, 0, 0}, {0x3a0b, 0x72, 0, 0}, {0x3a0e, 0x01, 0, 0}, 606 {0x3a0d, 0x02, 0, 0}, {0x3a14, 0x02, 0, 0}, {0x3a15, 0xe4, 0, 0}, 607 {0x4001, 0x02, 0, 0}, {0x4004, 0x02, 0, 0}, {0x4713, 0x02, 0, 0}, 608 {0x4407, 0x04, 0, 0}, {0x460b, 0x37, 0, 0}, {0x460c, 0x20, 0, 0}, 609 {0x3824, 0x04, 0, 0}, {0x5001, 0x83, 0, 0}, {0x4005, 0x1a, 0, 0}, 610 {0x3008, 0x02, 0, 0}, {0x3503, 0, 0, 0}, 611 }; 612 613 static const struct reg_value ov5640_setting_15fps_720P_1280_720[] = { 614 {0x3035, 0x41, 0, 0}, {0x3036, 0x54, 0, 0}, {0x3c07, 0x07, 0, 0}, 615 {0x3c09, 0x1c, 0, 0}, {0x3c0a, 0x9c, 0, 0}, {0x3c0b, 0x40, 0, 0}, 616 {0x3820, 0x41, 0, 0}, {0x3821, 0x07, 0, 0}, {0x3814, 0x31, 0, 0}, 617 {0x3815, 0x31, 0, 0}, {0x3800, 0x00, 0, 0}, {0x3801, 0x00, 0, 0}, 618 {0x3802, 0x00, 0, 0}, {0x3803, 0xfa, 0, 0}, {0x3804, 0x0a, 0, 0}, 619 {0x3805, 0x3f, 0, 0}, {0x3806, 0x06, 0, 0}, {0x3807, 0xa9, 0, 0}, 620 {0x3808, 0x05, 0, 0}, {0x3809, 0x00, 0, 0}, {0x380a, 0x02, 0, 0}, 621 {0x380b, 0xd0, 0, 0}, {0x380c, 0x07, 0, 0}, {0x380d, 0x64, 0, 0}, 622 {0x380e, 0x02, 0, 0}, {0x380f, 0xe4, 0, 0}, {0x3810, 0x00, 0, 0}, 623 {0x3811, 0x10, 0, 0}, {0x3812, 0x00, 0, 0}, {0x3813, 0x04, 0, 0}, 624 {0x3618, 0x00, 0, 0}, {0x3612, 0x29, 0, 0}, {0x3708, 0x64, 0, 0}, 625 {0x3709, 0x52, 0, 0}, {0x370c, 0x03, 0, 0}, {0x3a02, 0x02, 0, 0}, 626 {0x3a03, 0xe4, 0, 0}, {0x3a08, 0x01, 0, 0}, {0x3a09, 0xbc, 0, 0}, 627 {0x3a0a, 0x01, 0, 0}, {0x3a0b, 0x72, 0, 0}, {0x3a0e, 0x01, 0, 0}, 628 {0x3a0d, 0x02, 0, 0}, {0x3a14, 0x02, 0, 0}, {0x3a15, 0xe4, 0, 0}, 629 {0x4001, 0x02, 0, 0}, {0x4004, 0x02, 0, 0}, {0x4713, 0x02, 0, 0}, 630 {0x4407, 0x04, 0, 0}, {0x460b, 0x37, 0, 0}, {0x460c, 0x20, 0, 0}, 631 {0x3824, 0x04, 0, 0}, {0x5001, 0x83, 0, 0}, 632 }; 633 634 static const struct reg_value ov5640_setting_30fps_1080P_1920_1080[] = { 635 {0x3008, 0x42, 0, 0}, 636 {0x3035, 0x21, 0, 0}, {0x3036, 0x54, 0, 0}, {0x3c07, 0x08, 0, 0}, 637 {0x3c09, 0x1c, 0, 0}, {0x3c0a, 0x9c, 0, 0}, {0x3c0b, 0x40, 0, 0}, 638 {0x3820, 0x40, 0, 0}, {0x3821, 0x06, 0, 0}, {0x3814, 0x11, 0, 0}, 639 {0x3815, 0x11, 0, 0}, {0x3800, 0x00, 0, 0}, {0x3801, 0x00, 0, 0}, 640 {0x3802, 0x00, 0, 0}, {0x3803, 0x00, 0, 0}, {0x3804, 0x0a, 0, 0}, 641 {0x3805, 0x3f, 0, 0}, {0x3806, 0x07, 0, 0}, {0x3807, 0x9f, 0, 0}, 642 {0x3808, 0x0a, 0, 0}, {0x3809, 0x20, 0, 0}, {0x380a, 0x07, 0, 0}, 643 {0x380b, 0x98, 0, 0}, {0x380c, 0x0b, 0, 0}, {0x380d, 0x1c, 0, 0}, 644 {0x380e, 0x07, 0, 0}, {0x380f, 0xb0, 0, 0}, {0x3810, 0x00, 0, 0}, 645 {0x3811, 0x10, 0, 0}, {0x3812, 0x00, 0, 0}, {0x3813, 0x04, 0, 0}, 646 {0x3618, 0x04, 0, 0}, {0x3612, 0x29, 0, 0}, {0x3708, 0x21, 0, 0}, 647 {0x3709, 0x12, 0, 0}, {0x370c, 0x00, 0, 0}, {0x3a02, 0x03, 0, 0}, 648 {0x3a03, 0xd8, 0, 0}, {0x3a08, 0x01, 0, 0}, {0x3a09, 0x27, 0, 0}, 649 {0x3a0a, 0x00, 0, 0}, {0x3a0b, 0xf6, 0, 0}, {0x3a0e, 0x03, 0, 0}, 650 {0x3a0d, 0x04, 0, 0}, {0x3a14, 0x03, 0, 0}, {0x3a15, 0xd8, 0, 0}, 651 {0x4001, 0x02, 0, 0}, {0x4004, 0x06, 0, 0}, {0x4713, 0x03, 0, 0}, 652 {0x4407, 0x04, 0, 0}, {0x460b, 0x35, 0, 0}, {0x460c, 0x22, 0, 0}, 653 {0x3824, 0x02, 0, 0}, {0x5001, 0x83, 0, 0}, {0x3035, 0x11, 0, 0}, 654 {0x3036, 0x54, 0, 0}, {0x3c07, 0x07, 0, 0}, {0x3c08, 0x00, 0, 0}, 655 {0x3c09, 0x1c, 0, 0}, {0x3c0a, 0x9c, 0, 0}, {0x3c0b, 0x40, 0, 0}, 656 {0x3800, 0x01, 0, 0}, {0x3801, 0x50, 0, 0}, {0x3802, 0x01, 0, 0}, 657 {0x3803, 0xb2, 0, 0}, {0x3804, 0x08, 0, 0}, {0x3805, 0xef, 0, 0}, 658 {0x3806, 0x05, 0, 0}, {0x3807, 0xf1, 0, 0}, {0x3808, 0x07, 0, 0}, 659 {0x3809, 0x80, 0, 0}, {0x380a, 0x04, 0, 0}, {0x380b, 0x38, 0, 0}, 660 {0x380c, 0x09, 0, 0}, {0x380d, 0xc4, 0, 0}, {0x380e, 0x04, 0, 0}, 661 {0x380f, 0x60, 0, 0}, {0x3612, 0x2b, 0, 0}, {0x3708, 0x64, 0, 0}, 662 {0x3a02, 0x04, 0, 0}, {0x3a03, 0x60, 0, 0}, {0x3a08, 0x01, 0, 0}, 663 {0x3a09, 0x50, 0, 0}, {0x3a0a, 0x01, 0, 0}, {0x3a0b, 0x18, 0, 0}, 664 {0x3a0e, 0x03, 0, 0}, {0x3a0d, 0x04, 0, 0}, {0x3a14, 0x04, 0, 0}, 665 {0x3a15, 0x60, 0, 0}, {0x4713, 0x02, 0, 0}, {0x4407, 0x04, 0, 0}, 666 {0x460b, 0x37, 0, 0}, {0x460c, 0x20, 0, 0}, {0x3824, 0x04, 0, 0}, 667 {0x4005, 0x1a, 0, 0}, {0x3008, 0x02, 0, 0}, 668 {0x3503, 0, 0, 0}, 669 }; 670 671 static const struct reg_value ov5640_setting_15fps_1080P_1920_1080[] = { 672 {0x3008, 0x42, 0, 0}, 673 {0x3035, 0x21, 0, 0}, {0x3036, 0x54, 0, 0}, {0x3c07, 0x08, 0, 0}, 674 {0x3c09, 0x1c, 0, 0}, {0x3c0a, 0x9c, 0, 0}, {0x3c0b, 0x40, 0, 0}, 675 {0x3820, 0x40, 0, 0}, {0x3821, 0x06, 0, 0}, {0x3814, 0x11, 0, 0}, 676 {0x3815, 0x11, 0, 0}, {0x3800, 0x00, 0, 0}, {0x3801, 0x00, 0, 0}, 677 {0x3802, 0x00, 0, 0}, {0x3803, 0x00, 0, 0}, {0x3804, 0x0a, 0, 0}, 678 {0x3805, 0x3f, 0, 0}, {0x3806, 0x07, 0, 0}, {0x3807, 0x9f, 0, 0}, 679 {0x3808, 0x0a, 0, 0}, {0x3809, 0x20, 0, 0}, {0x380a, 0x07, 0, 0}, 680 {0x380b, 0x98, 0, 0}, {0x380c, 0x0b, 0, 0}, {0x380d, 0x1c, 0, 0}, 681 {0x380e, 0x07, 0, 0}, {0x380f, 0xb0, 0, 0}, {0x3810, 0x00, 0, 0}, 682 {0x3811, 0x10, 0, 0}, {0x3812, 0x00, 0, 0}, {0x3813, 0x04, 0, 0}, 683 {0x3618, 0x04, 0, 0}, {0x3612, 0x29, 0, 0}, {0x3708, 0x21, 0, 0}, 684 {0x3709, 0x12, 0, 0}, {0x370c, 0x00, 0, 0}, {0x3a02, 0x03, 0, 0}, 685 {0x3a03, 0xd8, 0, 0}, {0x3a08, 0x01, 0, 0}, {0x3a09, 0x27, 0, 0}, 686 {0x3a0a, 0x00, 0, 0}, {0x3a0b, 0xf6, 0, 0}, {0x3a0e, 0x03, 0, 0}, 687 {0x3a0d, 0x04, 0, 0}, {0x3a14, 0x03, 0, 0}, {0x3a15, 0xd8, 0, 0}, 688 {0x4001, 0x02, 0, 0}, {0x4004, 0x06, 0, 0}, {0x4713, 0x03, 0, 0}, 689 {0x4407, 0x04, 0, 0}, {0x460b, 0x35, 0, 0}, {0x460c, 0x22, 0, 0}, 690 {0x3824, 0x02, 0, 0}, {0x5001, 0x83, 0, 0}, {0x3035, 0x21, 0, 0}, 691 {0x3036, 0x54, 0, 1}, {0x3c07, 0x07, 0, 0}, {0x3c08, 0x00, 0, 0}, 692 {0x3c09, 0x1c, 0, 0}, {0x3c0a, 0x9c, 0, 0}, {0x3c0b, 0x40, 0, 0}, 693 {0x3800, 0x01, 0, 0}, {0x3801, 0x50, 0, 0}, {0x3802, 0x01, 0, 0}, 694 {0x3803, 0xb2, 0, 0}, {0x3804, 0x08, 0, 0}, {0x3805, 0xef, 0, 0}, 695 {0x3806, 0x05, 0, 0}, {0x3807, 0xf1, 0, 0}, {0x3808, 0x07, 0, 0}, 696 {0x3809, 0x80, 0, 0}, {0x380a, 0x04, 0, 0}, {0x380b, 0x38, 0, 0}, 697 {0x380c, 0x09, 0, 0}, {0x380d, 0xc4, 0, 0}, {0x380e, 0x04, 0, 0}, 698 {0x380f, 0x60, 0, 0}, {0x3612, 0x2b, 0, 0}, {0x3708, 0x64, 0, 0}, 699 {0x3a02, 0x04, 0, 0}, {0x3a03, 0x60, 0, 0}, {0x3a08, 0x01, 0, 0}, 700 {0x3a09, 0x50, 0, 0}, {0x3a0a, 0x01, 0, 0}, {0x3a0b, 0x18, 0, 0}, 701 {0x3a0e, 0x03, 0, 0}, {0x3a0d, 0x04, 0, 0}, {0x3a14, 0x04, 0, 0}, 702 {0x3a15, 0x60, 0, 0}, {0x4713, 0x02, 0, 0}, {0x4407, 0x04, 0, 0}, 703 {0x460b, 0x37, 0, 0}, {0x460c, 0x20, 0, 0}, {0x3824, 0x04, 0, 0}, 704 {0x4005, 0x1a, 0, 0}, {0x3008, 0x02, 0, 0}, {0x3503, 0, 0, 0}, 705 }; 706 707 static const struct reg_value ov5640_setting_15fps_QSXGA_2592_1944[] = { 708 {0x3820, 0x40, 0, 0}, {0x3821, 0x06, 0, 0}, 709 {0x3035, 0x21, 0, 0}, {0x3036, 0x54, 0, 0}, {0x3c07, 0x08, 0, 0}, 710 {0x3c09, 0x1c, 0, 0}, {0x3c0a, 0x9c, 0, 0}, {0x3c0b, 0x40, 0, 0}, 711 {0x3820, 0x40, 0, 0}, {0x3821, 0x06, 0, 0}, {0x3814, 0x11, 0, 0}, 712 {0x3815, 0x11, 0, 0}, {0x3800, 0x00, 0, 0}, {0x3801, 0x00, 0, 0}, 713 {0x3802, 0x00, 0, 0}, {0x3803, 0x00, 0, 0}, {0x3804, 0x0a, 0, 0}, 714 {0x3805, 0x3f, 0, 0}, {0x3806, 0x07, 0, 0}, {0x3807, 0x9f, 0, 0}, 715 {0x3808, 0x0a, 0, 0}, {0x3809, 0x20, 0, 0}, {0x380a, 0x07, 0, 0}, 716 {0x380b, 0x98, 0, 0}, {0x380c, 0x0b, 0, 0}, {0x380d, 0x1c, 0, 0}, 717 {0x380e, 0x07, 0, 0}, {0x380f, 0xb0, 0, 0}, {0x3810, 0x00, 0, 0}, 718 {0x3811, 0x10, 0, 0}, {0x3812, 0x00, 0, 0}, {0x3813, 0x04, 0, 0}, 719 {0x3618, 0x04, 0, 0}, {0x3612, 0x29, 0, 0}, {0x3708, 0x21, 0, 0}, 720 {0x3709, 0x12, 0, 0}, {0x370c, 0x00, 0, 0}, {0x3a02, 0x03, 0, 0}, 721 {0x3a03, 0xd8, 0, 0}, {0x3a08, 0x01, 0, 0}, {0x3a09, 0x27, 0, 0}, 722 {0x3a0a, 0x00, 0, 0}, {0x3a0b, 0xf6, 0, 0}, {0x3a0e, 0x03, 0, 0}, 723 {0x3a0d, 0x04, 0, 0}, {0x3a14, 0x03, 0, 0}, {0x3a15, 0xd8, 0, 0}, 724 {0x4001, 0x02, 0, 0}, {0x4004, 0x06, 0, 0}, {0x4713, 0x03, 0, 0}, 725 {0x4407, 0x04, 0, 0}, {0x460b, 0x35, 0, 0}, {0x460c, 0x22, 0, 0}, 726 {0x3824, 0x02, 0, 0}, {0x5001, 0x83, 0, 70}, 727 }; 728 729 /* power-on sensor init reg table */ 730 static const struct ov5640_mode_info ov5640_mode_init_data = { 731 0, SUBSAMPLING, 640, 480, ov5640_init_setting_30fps_VGA, 732 ARRAY_SIZE(ov5640_init_setting_30fps_VGA), 733 }; 734 735 static const struct ov5640_mode_info 736 ov5640_mode_data[OV5640_NUM_FRAMERATES][OV5640_NUM_MODES] = { 737 { 738 {OV5640_MODE_QCIF_176_144, SUBSAMPLING, 176, 144, 739 ov5640_setting_15fps_QCIF_176_144, 740 ARRAY_SIZE(ov5640_setting_15fps_QCIF_176_144)}, 741 {OV5640_MODE_QVGA_320_240, SUBSAMPLING, 320, 240, 742 ov5640_setting_15fps_QVGA_320_240, 743 ARRAY_SIZE(ov5640_setting_15fps_QVGA_320_240)}, 744 {OV5640_MODE_VGA_640_480, SUBSAMPLING, 640, 480, 745 ov5640_setting_15fps_VGA_640_480, 746 ARRAY_SIZE(ov5640_setting_15fps_VGA_640_480)}, 747 {OV5640_MODE_NTSC_720_480, SUBSAMPLING, 720, 480, 748 ov5640_setting_15fps_NTSC_720_480, 749 ARRAY_SIZE(ov5640_setting_15fps_NTSC_720_480)}, 750 {OV5640_MODE_PAL_720_576, SUBSAMPLING, 720, 576, 751 ov5640_setting_15fps_PAL_720_576, 752 ARRAY_SIZE(ov5640_setting_15fps_PAL_720_576)}, 753 {OV5640_MODE_XGA_1024_768, SUBSAMPLING, 1024, 768, 754 ov5640_setting_15fps_XGA_1024_768, 755 ARRAY_SIZE(ov5640_setting_15fps_XGA_1024_768)}, 756 {OV5640_MODE_720P_1280_720, SUBSAMPLING, 1280, 720, 757 ov5640_setting_15fps_720P_1280_720, 758 ARRAY_SIZE(ov5640_setting_15fps_720P_1280_720)}, 759 {OV5640_MODE_1080P_1920_1080, SCALING, 1920, 1080, 760 ov5640_setting_15fps_1080P_1920_1080, 761 ARRAY_SIZE(ov5640_setting_15fps_1080P_1920_1080)}, 762 {OV5640_MODE_QSXGA_2592_1944, SCALING, 2592, 1944, 763 ov5640_setting_15fps_QSXGA_2592_1944, 764 ARRAY_SIZE(ov5640_setting_15fps_QSXGA_2592_1944)}, 765 }, { 766 {OV5640_MODE_QCIF_176_144, SUBSAMPLING, 176, 144, 767 ov5640_setting_30fps_QCIF_176_144, 768 ARRAY_SIZE(ov5640_setting_30fps_QCIF_176_144)}, 769 {OV5640_MODE_QVGA_320_240, SUBSAMPLING, 320, 240, 770 ov5640_setting_30fps_QVGA_320_240, 771 ARRAY_SIZE(ov5640_setting_30fps_QVGA_320_240)}, 772 {OV5640_MODE_VGA_640_480, SUBSAMPLING, 640, 480, 773 ov5640_setting_30fps_VGA_640_480, 774 ARRAY_SIZE(ov5640_setting_30fps_VGA_640_480)}, 775 {OV5640_MODE_NTSC_720_480, SUBSAMPLING, 720, 480, 776 ov5640_setting_30fps_NTSC_720_480, 777 ARRAY_SIZE(ov5640_setting_30fps_NTSC_720_480)}, 778 {OV5640_MODE_PAL_720_576, SUBSAMPLING, 720, 576, 779 ov5640_setting_30fps_PAL_720_576, 780 ARRAY_SIZE(ov5640_setting_30fps_PAL_720_576)}, 781 {OV5640_MODE_XGA_1024_768, SUBSAMPLING, 1024, 768, 782 ov5640_setting_30fps_XGA_1024_768, 783 ARRAY_SIZE(ov5640_setting_30fps_XGA_1024_768)}, 784 {OV5640_MODE_720P_1280_720, SUBSAMPLING, 1280, 720, 785 ov5640_setting_30fps_720P_1280_720, 786 ARRAY_SIZE(ov5640_setting_30fps_720P_1280_720)}, 787 {OV5640_MODE_1080P_1920_1080, SCALING, 1920, 1080, 788 ov5640_setting_30fps_1080P_1920_1080, 789 ARRAY_SIZE(ov5640_setting_30fps_1080P_1920_1080)}, 790 {OV5640_MODE_QSXGA_2592_1944, -1, 0, 0, NULL, 0}, 791 }, 792 }; 793 794 static int ov5640_init_slave_id(struct ov5640_dev *sensor) 795 { 796 struct i2c_client *client = sensor->i2c_client; 797 struct i2c_msg msg; 798 u8 buf[3]; 799 int ret; 800 801 if (client->addr == OV5640_DEFAULT_SLAVE_ID) 802 return 0; 803 804 buf[0] = OV5640_REG_SLAVE_ID >> 8; 805 buf[1] = OV5640_REG_SLAVE_ID & 0xff; 806 buf[2] = client->addr << 1; 807 808 msg.addr = OV5640_DEFAULT_SLAVE_ID; 809 msg.flags = 0; 810 msg.buf = buf; 811 msg.len = sizeof(buf); 812 813 ret = i2c_transfer(client->adapter, &msg, 1); 814 if (ret < 0) { 815 dev_err(&client->dev, "%s: failed with %d\n", __func__, ret); 816 return ret; 817 } 818 819 return 0; 820 } 821 822 static int ov5640_write_reg(struct ov5640_dev *sensor, u16 reg, u8 val) 823 { 824 struct i2c_client *client = sensor->i2c_client; 825 struct i2c_msg msg; 826 u8 buf[3]; 827 int ret; 828 829 buf[0] = reg >> 8; 830 buf[1] = reg & 0xff; 831 buf[2] = val; 832 833 msg.addr = client->addr; 834 msg.flags = client->flags; 835 msg.buf = buf; 836 msg.len = sizeof(buf); 837 838 ret = i2c_transfer(client->adapter, &msg, 1); 839 if (ret < 0) { 840 dev_err(&client->dev, "%s: error: reg=%x, val=%x\n", 841 __func__, reg, val); 842 return ret; 843 } 844 845 return 0; 846 } 847 848 static int ov5640_read_reg(struct ov5640_dev *sensor, u16 reg, u8 *val) 849 { 850 struct i2c_client *client = sensor->i2c_client; 851 struct i2c_msg msg[2]; 852 u8 buf[2]; 853 int ret; 854 855 buf[0] = reg >> 8; 856 buf[1] = reg & 0xff; 857 858 msg[0].addr = client->addr; 859 msg[0].flags = client->flags; 860 msg[0].buf = buf; 861 msg[0].len = sizeof(buf); 862 863 msg[1].addr = client->addr; 864 msg[1].flags = client->flags | I2C_M_RD; 865 msg[1].buf = buf; 866 msg[1].len = 1; 867 868 ret = i2c_transfer(client->adapter, msg, 2); 869 if (ret < 0) { 870 dev_err(&client->dev, "%s: error: reg=%x\n", 871 __func__, reg); 872 return ret; 873 } 874 875 *val = buf[0]; 876 return 0; 877 } 878 879 static int ov5640_read_reg16(struct ov5640_dev *sensor, u16 reg, u16 *val) 880 { 881 u8 hi, lo; 882 int ret; 883 884 ret = ov5640_read_reg(sensor, reg, &hi); 885 if (ret) 886 return ret; 887 ret = ov5640_read_reg(sensor, reg + 1, &lo); 888 if (ret) 889 return ret; 890 891 *val = ((u16)hi << 8) | (u16)lo; 892 return 0; 893 } 894 895 static int ov5640_write_reg16(struct ov5640_dev *sensor, u16 reg, u16 val) 896 { 897 int ret; 898 899 ret = ov5640_write_reg(sensor, reg, val >> 8); 900 if (ret) 901 return ret; 902 903 return ov5640_write_reg(sensor, reg + 1, val & 0xff); 904 } 905 906 static int ov5640_mod_reg(struct ov5640_dev *sensor, u16 reg, 907 u8 mask, u8 val) 908 { 909 u8 readval; 910 int ret; 911 912 ret = ov5640_read_reg(sensor, reg, &readval); 913 if (ret) 914 return ret; 915 916 readval &= ~mask; 917 val &= mask; 918 val |= readval; 919 920 return ov5640_write_reg(sensor, reg, val); 921 } 922 923 /* download ov5640 settings to sensor through i2c */ 924 static int ov5640_load_regs(struct ov5640_dev *sensor, 925 const struct ov5640_mode_info *mode) 926 { 927 const struct reg_value *regs = mode->reg_data; 928 unsigned int i; 929 u32 delay_ms; 930 u16 reg_addr; 931 u8 mask, val; 932 int ret = 0; 933 934 for (i = 0; i < mode->reg_data_size; ++i, ++regs) { 935 delay_ms = regs->delay_ms; 936 reg_addr = regs->reg_addr; 937 val = regs->val; 938 mask = regs->mask; 939 940 if (mask) 941 ret = ov5640_mod_reg(sensor, reg_addr, mask, val); 942 else 943 ret = ov5640_write_reg(sensor, reg_addr, val); 944 if (ret) 945 break; 946 947 if (delay_ms) 948 usleep_range(1000 * delay_ms, 1000 * delay_ms + 100); 949 } 950 951 return ret; 952 } 953 954 /* read exposure, in number of line periods */ 955 static int ov5640_get_exposure(struct ov5640_dev *sensor) 956 { 957 int exp, ret; 958 u8 temp; 959 960 ret = ov5640_read_reg(sensor, OV5640_REG_AEC_PK_EXPOSURE_HI, &temp); 961 if (ret) 962 return ret; 963 exp = ((int)temp & 0x0f) << 16; 964 ret = ov5640_read_reg(sensor, OV5640_REG_AEC_PK_EXPOSURE_MED, &temp); 965 if (ret) 966 return ret; 967 exp |= ((int)temp << 8); 968 ret = ov5640_read_reg(sensor, OV5640_REG_AEC_PK_EXPOSURE_LO, &temp); 969 if (ret) 970 return ret; 971 exp |= (int)temp; 972 973 return exp >> 4; 974 } 975 976 /* write exposure, given number of line periods */ 977 static int ov5640_set_exposure(struct ov5640_dev *sensor, u32 exposure) 978 { 979 int ret; 980 981 exposure <<= 4; 982 983 ret = ov5640_write_reg(sensor, 984 OV5640_REG_AEC_PK_EXPOSURE_LO, 985 exposure & 0xff); 986 if (ret) 987 return ret; 988 ret = ov5640_write_reg(sensor, 989 OV5640_REG_AEC_PK_EXPOSURE_MED, 990 (exposure >> 8) & 0xff); 991 if (ret) 992 return ret; 993 return ov5640_write_reg(sensor, 994 OV5640_REG_AEC_PK_EXPOSURE_HI, 995 (exposure >> 16) & 0x0f); 996 } 997 998 static int ov5640_get_gain(struct ov5640_dev *sensor) 999 { 1000 u16 gain; 1001 int ret; 1002 1003 ret = ov5640_read_reg16(sensor, OV5640_REG_AEC_PK_REAL_GAIN, &gain); 1004 if (ret) 1005 return ret; 1006 1007 return gain & 0x3ff; 1008 } 1009 1010 static int ov5640_set_stream_dvp(struct ov5640_dev *sensor, bool on) 1011 { 1012 int ret; 1013 unsigned int flags = sensor->ep.bus.parallel.flags; 1014 u8 pclk_pol = 0; 1015 u8 hsync_pol = 0; 1016 u8 vsync_pol = 0; 1017 1018 /* 1019 * Note about parallel port configuration. 1020 * 1021 * When configured in parallel mode, the OV5640 will 1022 * output 10 bits data on DVP data lines [9:0]. 1023 * If only 8 bits data are wanted, the 8 bits data lines 1024 * of the camera interface must be physically connected 1025 * on the DVP data lines [9:2]. 1026 * 1027 * Control lines polarity can be configured through 1028 * devicetree endpoint control lines properties. 1029 * If no endpoint control lines properties are set, 1030 * polarity will be as below: 1031 * - VSYNC: active high 1032 * - HREF: active low 1033 * - PCLK: active low 1034 */ 1035 1036 if (on) { 1037 /* 1038 * reset MIPI PCLK/SERCLK divider 1039 * 1040 * SC PLL CONTRL1 0 1041 * - [3..0]: MIPI PCLK/SERCLK divider 1042 */ 1043 ret = ov5640_mod_reg(sensor, OV5640_REG_SC_PLL_CTRL1, 0x0f, 0); 1044 if (ret) 1045 return ret; 1046 1047 /* 1048 * configure parallel port control lines polarity 1049 * 1050 * POLARITY CTRL0 1051 * - [5]: PCLK polarity (0: active low, 1: active high) 1052 * - [1]: HREF polarity (0: active low, 1: active high) 1053 * - [0]: VSYNC polarity (mismatch here between 1054 * datasheet and hardware, 0 is active high 1055 * and 1 is active low...) 1056 */ 1057 if (flags & V4L2_MBUS_PCLK_SAMPLE_RISING) 1058 pclk_pol = 1; 1059 if (flags & V4L2_MBUS_HSYNC_ACTIVE_HIGH) 1060 hsync_pol = 1; 1061 if (flags & V4L2_MBUS_VSYNC_ACTIVE_LOW) 1062 vsync_pol = 1; 1063 1064 ret = ov5640_write_reg(sensor, 1065 OV5640_REG_POLARITY_CTRL00, 1066 (pclk_pol << 5) | 1067 (hsync_pol << 1) | 1068 vsync_pol); 1069 1070 if (ret) 1071 return ret; 1072 } 1073 1074 /* 1075 * powerdown MIPI TX/RX PHY & disable MIPI 1076 * 1077 * MIPI CONTROL 00 1078 * 4: PWDN PHY TX 1079 * 3: PWDN PHY RX 1080 * 2: MIPI enable 1081 */ 1082 ret = ov5640_write_reg(sensor, 1083 OV5640_REG_IO_MIPI_CTRL00, on ? 0x18 : 0); 1084 if (ret) 1085 return ret; 1086 1087 /* 1088 * enable VSYNC/HREF/PCLK DVP control lines 1089 * & D[9:6] DVP data lines 1090 * 1091 * PAD OUTPUT ENABLE 01 1092 * - 6: VSYNC output enable 1093 * - 5: HREF output enable 1094 * - 4: PCLK output enable 1095 * - [3:0]: D[9:6] output enable 1096 */ 1097 ret = ov5640_write_reg(sensor, 1098 OV5640_REG_PAD_OUTPUT_ENABLE01, 1099 on ? 0x7f : 0); 1100 if (ret) 1101 return ret; 1102 1103 /* 1104 * enable D[5:0] DVP data lines 1105 * 1106 * PAD OUTPUT ENABLE 02 1107 * - [7:2]: D[5:0] output enable 1108 */ 1109 return ov5640_write_reg(sensor, 1110 OV5640_REG_PAD_OUTPUT_ENABLE02, 1111 on ? 0xfc : 0); 1112 } 1113 1114 static int ov5640_set_stream_mipi(struct ov5640_dev *sensor, bool on) 1115 { 1116 int ret; 1117 1118 ret = ov5640_mod_reg(sensor, OV5640_REG_MIPI_CTRL00, BIT(5), 1119 on ? 0 : BIT(5)); 1120 if (ret) 1121 return ret; 1122 ret = ov5640_write_reg(sensor, OV5640_REG_PAD_OUTPUT00, 1123 on ? 0x00 : 0x70); 1124 if (ret) 1125 return ret; 1126 1127 return ov5640_write_reg(sensor, OV5640_REG_FRAME_CTRL01, 1128 on ? 0x00 : 0x0f); 1129 } 1130 1131 static int ov5640_get_sysclk(struct ov5640_dev *sensor) 1132 { 1133 /* calculate sysclk */ 1134 u32 xvclk = sensor->xclk_freq / 10000; 1135 u32 multiplier, prediv, VCO, sysdiv, pll_rdiv; 1136 u32 sclk_rdiv_map[] = {1, 2, 4, 8}; 1137 u32 bit_div2x = 1, sclk_rdiv, sysclk; 1138 u8 temp1, temp2; 1139 int ret; 1140 1141 ret = ov5640_read_reg(sensor, OV5640_REG_SC_PLL_CTRL0, &temp1); 1142 if (ret) 1143 return ret; 1144 temp2 = temp1 & 0x0f; 1145 if (temp2 == 8 || temp2 == 10) 1146 bit_div2x = temp2 / 2; 1147 1148 ret = ov5640_read_reg(sensor, OV5640_REG_SC_PLL_CTRL1, &temp1); 1149 if (ret) 1150 return ret; 1151 sysdiv = temp1 >> 4; 1152 if (sysdiv == 0) 1153 sysdiv = 16; 1154 1155 ret = ov5640_read_reg(sensor, OV5640_REG_SC_PLL_CTRL2, &temp1); 1156 if (ret) 1157 return ret; 1158 multiplier = temp1; 1159 1160 ret = ov5640_read_reg(sensor, OV5640_REG_SC_PLL_CTRL3, &temp1); 1161 if (ret) 1162 return ret; 1163 prediv = temp1 & 0x0f; 1164 pll_rdiv = ((temp1 >> 4) & 0x01) + 1; 1165 1166 ret = ov5640_read_reg(sensor, OV5640_REG_SYS_ROOT_DIVIDER, &temp1); 1167 if (ret) 1168 return ret; 1169 temp2 = temp1 & 0x03; 1170 sclk_rdiv = sclk_rdiv_map[temp2]; 1171 1172 if (!prediv || !sysdiv || !pll_rdiv || !bit_div2x) 1173 return -EINVAL; 1174 1175 VCO = xvclk * multiplier / prediv; 1176 1177 sysclk = VCO / sysdiv / pll_rdiv * 2 / bit_div2x / sclk_rdiv; 1178 1179 return sysclk; 1180 } 1181 1182 static int ov5640_set_night_mode(struct ov5640_dev *sensor) 1183 { 1184 /* read HTS from register settings */ 1185 u8 mode; 1186 int ret; 1187 1188 ret = ov5640_read_reg(sensor, OV5640_REG_AEC_CTRL00, &mode); 1189 if (ret) 1190 return ret; 1191 mode &= 0xfb; 1192 return ov5640_write_reg(sensor, OV5640_REG_AEC_CTRL00, mode); 1193 } 1194 1195 static int ov5640_get_hts(struct ov5640_dev *sensor) 1196 { 1197 /* read HTS from register settings */ 1198 u16 hts; 1199 int ret; 1200 1201 ret = ov5640_read_reg16(sensor, OV5640_REG_TIMING_HTS, &hts); 1202 if (ret) 1203 return ret; 1204 return hts; 1205 } 1206 1207 static int ov5640_get_vts(struct ov5640_dev *sensor) 1208 { 1209 u16 vts; 1210 int ret; 1211 1212 ret = ov5640_read_reg16(sensor, OV5640_REG_TIMING_VTS, &vts); 1213 if (ret) 1214 return ret; 1215 return vts; 1216 } 1217 1218 static int ov5640_set_vts(struct ov5640_dev *sensor, int vts) 1219 { 1220 return ov5640_write_reg16(sensor, OV5640_REG_TIMING_VTS, vts); 1221 } 1222 1223 static int ov5640_get_light_freq(struct ov5640_dev *sensor) 1224 { 1225 /* get banding filter value */ 1226 int ret, light_freq = 0; 1227 u8 temp, temp1; 1228 1229 ret = ov5640_read_reg(sensor, OV5640_REG_HZ5060_CTRL01, &temp); 1230 if (ret) 1231 return ret; 1232 1233 if (temp & 0x80) { 1234 /* manual */ 1235 ret = ov5640_read_reg(sensor, OV5640_REG_HZ5060_CTRL00, 1236 &temp1); 1237 if (ret) 1238 return ret; 1239 if (temp1 & 0x04) { 1240 /* 50Hz */ 1241 light_freq = 50; 1242 } else { 1243 /* 60Hz */ 1244 light_freq = 60; 1245 } 1246 } else { 1247 /* auto */ 1248 ret = ov5640_read_reg(sensor, OV5640_REG_SIGMADELTA_CTRL0C, 1249 &temp1); 1250 if (ret) 1251 return ret; 1252 1253 if (temp1 & 0x01) { 1254 /* 50Hz */ 1255 light_freq = 50; 1256 } else { 1257 /* 60Hz */ 1258 } 1259 } 1260 1261 return light_freq; 1262 } 1263 1264 static int ov5640_set_bandingfilter(struct ov5640_dev *sensor) 1265 { 1266 u32 band_step60, max_band60, band_step50, max_band50, prev_vts; 1267 int ret; 1268 1269 /* read preview PCLK */ 1270 ret = ov5640_get_sysclk(sensor); 1271 if (ret < 0) 1272 return ret; 1273 if (ret == 0) 1274 return -EINVAL; 1275 sensor->prev_sysclk = ret; 1276 /* read preview HTS */ 1277 ret = ov5640_get_hts(sensor); 1278 if (ret < 0) 1279 return ret; 1280 if (ret == 0) 1281 return -EINVAL; 1282 sensor->prev_hts = ret; 1283 1284 /* read preview VTS */ 1285 ret = ov5640_get_vts(sensor); 1286 if (ret < 0) 1287 return ret; 1288 prev_vts = ret; 1289 1290 /* calculate banding filter */ 1291 /* 60Hz */ 1292 band_step60 = sensor->prev_sysclk * 100 / sensor->prev_hts * 100 / 120; 1293 ret = ov5640_write_reg16(sensor, OV5640_REG_AEC_B60_STEP, band_step60); 1294 if (ret) 1295 return ret; 1296 if (!band_step60) 1297 return -EINVAL; 1298 max_band60 = (int)((prev_vts - 4) / band_step60); 1299 ret = ov5640_write_reg(sensor, OV5640_REG_AEC_CTRL0D, max_band60); 1300 if (ret) 1301 return ret; 1302 1303 /* 50Hz */ 1304 band_step50 = sensor->prev_sysclk * 100 / sensor->prev_hts; 1305 ret = ov5640_write_reg16(sensor, OV5640_REG_AEC_B50_STEP, band_step50); 1306 if (ret) 1307 return ret; 1308 if (!band_step50) 1309 return -EINVAL; 1310 max_band50 = (int)((prev_vts - 4) / band_step50); 1311 return ov5640_write_reg(sensor, OV5640_REG_AEC_CTRL0E, max_band50); 1312 } 1313 1314 static int ov5640_set_ae_target(struct ov5640_dev *sensor, int target) 1315 { 1316 /* stable in high */ 1317 u32 fast_high, fast_low; 1318 int ret; 1319 1320 sensor->ae_low = target * 23 / 25; /* 0.92 */ 1321 sensor->ae_high = target * 27 / 25; /* 1.08 */ 1322 1323 fast_high = sensor->ae_high << 1; 1324 if (fast_high > 255) 1325 fast_high = 255; 1326 1327 fast_low = sensor->ae_low >> 1; 1328 1329 ret = ov5640_write_reg(sensor, OV5640_REG_AEC_CTRL0F, sensor->ae_high); 1330 if (ret) 1331 return ret; 1332 ret = ov5640_write_reg(sensor, OV5640_REG_AEC_CTRL10, sensor->ae_low); 1333 if (ret) 1334 return ret; 1335 ret = ov5640_write_reg(sensor, OV5640_REG_AEC_CTRL1B, sensor->ae_high); 1336 if (ret) 1337 return ret; 1338 ret = ov5640_write_reg(sensor, OV5640_REG_AEC_CTRL1E, sensor->ae_low); 1339 if (ret) 1340 return ret; 1341 ret = ov5640_write_reg(sensor, OV5640_REG_AEC_CTRL11, fast_high); 1342 if (ret) 1343 return ret; 1344 return ov5640_write_reg(sensor, OV5640_REG_AEC_CTRL1F, fast_low); 1345 } 1346 1347 static int ov5640_binning_on(struct ov5640_dev *sensor) 1348 { 1349 u8 temp; 1350 int ret; 1351 1352 ret = ov5640_read_reg(sensor, OV5640_REG_TIMING_TC_REG21, &temp); 1353 if (ret) 1354 return ret; 1355 temp &= 0xfe; 1356 return temp ? 1 : 0; 1357 } 1358 1359 static int ov5640_set_virtual_channel(struct ov5640_dev *sensor) 1360 { 1361 struct i2c_client *client = sensor->i2c_client; 1362 u8 temp, channel = virtual_channel; 1363 int ret; 1364 1365 if (channel > 3) { 1366 dev_err(&client->dev, 1367 "%s: wrong virtual_channel parameter, expected (0..3), got %d\n", 1368 __func__, channel); 1369 return -EINVAL; 1370 } 1371 1372 ret = ov5640_read_reg(sensor, OV5640_REG_DEBUG_MODE, &temp); 1373 if (ret) 1374 return ret; 1375 temp &= ~(3 << 6); 1376 temp |= (channel << 6); 1377 return ov5640_write_reg(sensor, OV5640_REG_DEBUG_MODE, temp); 1378 } 1379 1380 static const struct ov5640_mode_info * 1381 ov5640_find_mode(struct ov5640_dev *sensor, enum ov5640_frame_rate fr, 1382 int width, int height, bool nearest) 1383 { 1384 const struct ov5640_mode_info *mode = NULL; 1385 int i; 1386 1387 for (i = OV5640_NUM_MODES - 1; i >= 0; i--) { 1388 mode = &ov5640_mode_data[fr][i]; 1389 1390 if (!mode->reg_data) 1391 continue; 1392 1393 if ((nearest && mode->width <= width && 1394 mode->height <= height) || 1395 (!nearest && mode->width == width && 1396 mode->height == height)) 1397 break; 1398 } 1399 1400 if (nearest && i < 0) 1401 mode = &ov5640_mode_data[fr][0]; 1402 1403 return mode; 1404 } 1405 1406 /* 1407 * sensor changes between scaling and subsampling, go through 1408 * exposure calculation 1409 */ 1410 static int ov5640_set_mode_exposure_calc(struct ov5640_dev *sensor, 1411 const struct ov5640_mode_info *mode) 1412 { 1413 u32 prev_shutter, prev_gain16; 1414 u32 cap_shutter, cap_gain16; 1415 u32 cap_sysclk, cap_hts, cap_vts; 1416 u32 light_freq, cap_bandfilt, cap_maxband; 1417 u32 cap_gain16_shutter; 1418 u8 average; 1419 int ret; 1420 1421 if (!mode->reg_data) 1422 return -EINVAL; 1423 1424 /* read preview shutter */ 1425 ret = ov5640_get_exposure(sensor); 1426 if (ret < 0) 1427 return ret; 1428 prev_shutter = ret; 1429 ret = ov5640_binning_on(sensor); 1430 if (ret < 0) 1431 return ret; 1432 if (ret && mode->id != OV5640_MODE_720P_1280_720 && 1433 mode->id != OV5640_MODE_1080P_1920_1080) 1434 prev_shutter *= 2; 1435 1436 /* read preview gain */ 1437 ret = ov5640_get_gain(sensor); 1438 if (ret < 0) 1439 return ret; 1440 prev_gain16 = ret; 1441 1442 /* get average */ 1443 ret = ov5640_read_reg(sensor, OV5640_REG_AVG_READOUT, &average); 1444 if (ret) 1445 return ret; 1446 1447 /* turn off night mode for capture */ 1448 ret = ov5640_set_night_mode(sensor); 1449 if (ret < 0) 1450 return ret; 1451 1452 /* Write capture setting */ 1453 ret = ov5640_load_regs(sensor, mode); 1454 if (ret < 0) 1455 return ret; 1456 1457 /* read capture VTS */ 1458 ret = ov5640_get_vts(sensor); 1459 if (ret < 0) 1460 return ret; 1461 cap_vts = ret; 1462 ret = ov5640_get_hts(sensor); 1463 if (ret < 0) 1464 return ret; 1465 if (ret == 0) 1466 return -EINVAL; 1467 cap_hts = ret; 1468 1469 ret = ov5640_get_sysclk(sensor); 1470 if (ret < 0) 1471 return ret; 1472 if (ret == 0) 1473 return -EINVAL; 1474 cap_sysclk = ret; 1475 1476 /* calculate capture banding filter */ 1477 ret = ov5640_get_light_freq(sensor); 1478 if (ret < 0) 1479 return ret; 1480 light_freq = ret; 1481 1482 if (light_freq == 60) { 1483 /* 60Hz */ 1484 cap_bandfilt = cap_sysclk * 100 / cap_hts * 100 / 120; 1485 } else { 1486 /* 50Hz */ 1487 cap_bandfilt = cap_sysclk * 100 / cap_hts; 1488 } 1489 1490 if (!sensor->prev_sysclk) { 1491 ret = ov5640_get_sysclk(sensor); 1492 if (ret < 0) 1493 return ret; 1494 if (ret == 0) 1495 return -EINVAL; 1496 sensor->prev_sysclk = ret; 1497 } 1498 1499 if (!cap_bandfilt) 1500 return -EINVAL; 1501 1502 cap_maxband = (int)((cap_vts - 4) / cap_bandfilt); 1503 1504 /* calculate capture shutter/gain16 */ 1505 if (average > sensor->ae_low && average < sensor->ae_high) { 1506 /* in stable range */ 1507 cap_gain16_shutter = 1508 prev_gain16 * prev_shutter * 1509 cap_sysclk / sensor->prev_sysclk * 1510 sensor->prev_hts / cap_hts * 1511 sensor->ae_target / average; 1512 } else { 1513 cap_gain16_shutter = 1514 prev_gain16 * prev_shutter * 1515 cap_sysclk / sensor->prev_sysclk * 1516 sensor->prev_hts / cap_hts; 1517 } 1518 1519 /* gain to shutter */ 1520 if (cap_gain16_shutter < (cap_bandfilt * 16)) { 1521 /* shutter < 1/100 */ 1522 cap_shutter = cap_gain16_shutter / 16; 1523 if (cap_shutter < 1) 1524 cap_shutter = 1; 1525 1526 cap_gain16 = cap_gain16_shutter / cap_shutter; 1527 if (cap_gain16 < 16) 1528 cap_gain16 = 16; 1529 } else { 1530 if (cap_gain16_shutter > (cap_bandfilt * cap_maxband * 16)) { 1531 /* exposure reach max */ 1532 cap_shutter = cap_bandfilt * cap_maxband; 1533 if (!cap_shutter) 1534 return -EINVAL; 1535 1536 cap_gain16 = cap_gain16_shutter / cap_shutter; 1537 } else { 1538 /* 1/100 < (cap_shutter = n/100) =< max */ 1539 cap_shutter = 1540 ((int)(cap_gain16_shutter / 16 / cap_bandfilt)) 1541 * cap_bandfilt; 1542 if (!cap_shutter) 1543 return -EINVAL; 1544 1545 cap_gain16 = cap_gain16_shutter / cap_shutter; 1546 } 1547 } 1548 1549 /* set capture gain */ 1550 ret = __v4l2_ctrl_s_ctrl(sensor->ctrls.gain, cap_gain16); 1551 if (ret) 1552 return ret; 1553 1554 /* write capture shutter */ 1555 if (cap_shutter > (cap_vts - 4)) { 1556 cap_vts = cap_shutter + 4; 1557 ret = ov5640_set_vts(sensor, cap_vts); 1558 if (ret < 0) 1559 return ret; 1560 } 1561 1562 /* set exposure */ 1563 return __v4l2_ctrl_s_ctrl(sensor->ctrls.exposure, cap_shutter); 1564 } 1565 1566 /* 1567 * if sensor changes inside scaling or subsampling 1568 * change mode directly 1569 */ 1570 static int ov5640_set_mode_direct(struct ov5640_dev *sensor, 1571 const struct ov5640_mode_info *mode) 1572 { 1573 int ret; 1574 1575 if (!mode->reg_data) 1576 return -EINVAL; 1577 1578 /* Write capture setting */ 1579 ret = ov5640_load_regs(sensor, mode); 1580 if (ret < 0) 1581 return ret; 1582 1583 /* turn auto gain/exposure back on for direct mode */ 1584 ret = __v4l2_ctrl_s_ctrl(sensor->ctrls.auto_gain, 1); 1585 if (ret) 1586 return ret; 1587 return __v4l2_ctrl_s_ctrl(sensor->ctrls.auto_exp, V4L2_EXPOSURE_AUTO); 1588 } 1589 1590 static int ov5640_set_mode(struct ov5640_dev *sensor, 1591 const struct ov5640_mode_info *orig_mode) 1592 { 1593 const struct ov5640_mode_info *mode = sensor->current_mode; 1594 enum ov5640_downsize_mode dn_mode, orig_dn_mode; 1595 int ret; 1596 1597 dn_mode = mode->dn_mode; 1598 orig_dn_mode = orig_mode->dn_mode; 1599 1600 /* auto gain and exposure must be turned off when changing modes */ 1601 ret = __v4l2_ctrl_s_ctrl(sensor->ctrls.auto_gain, 0); 1602 if (ret) 1603 return ret; 1604 ret = __v4l2_ctrl_s_ctrl(sensor->ctrls.auto_exp, V4L2_EXPOSURE_MANUAL); 1605 if (ret) 1606 return ret; 1607 1608 if ((dn_mode == SUBSAMPLING && orig_dn_mode == SCALING) || 1609 (dn_mode == SCALING && orig_dn_mode == SUBSAMPLING)) { 1610 /* 1611 * change between subsampling and scaling 1612 * go through exposure calucation 1613 */ 1614 ret = ov5640_set_mode_exposure_calc(sensor, mode); 1615 } else { 1616 /* 1617 * change inside subsampling or scaling 1618 * download firmware directly 1619 */ 1620 ret = ov5640_set_mode_direct(sensor, mode); 1621 } 1622 1623 if (ret < 0) 1624 return ret; 1625 1626 ret = ov5640_set_ae_target(sensor, sensor->ae_target); 1627 if (ret < 0) 1628 return ret; 1629 ret = ov5640_get_light_freq(sensor); 1630 if (ret < 0) 1631 return ret; 1632 ret = ov5640_set_bandingfilter(sensor); 1633 if (ret < 0) 1634 return ret; 1635 ret = ov5640_set_virtual_channel(sensor); 1636 if (ret < 0) 1637 return ret; 1638 1639 sensor->pending_mode_change = false; 1640 1641 return 0; 1642 } 1643 1644 static int ov5640_set_framefmt(struct ov5640_dev *sensor, 1645 struct v4l2_mbus_framefmt *format); 1646 1647 /* restore the last set video mode after chip power-on */ 1648 static int ov5640_restore_mode(struct ov5640_dev *sensor) 1649 { 1650 int ret; 1651 1652 /* first load the initial register values */ 1653 ret = ov5640_load_regs(sensor, &ov5640_mode_init_data); 1654 if (ret < 0) 1655 return ret; 1656 1657 /* now restore the last capture mode */ 1658 ret = ov5640_set_mode(sensor, &ov5640_mode_init_data); 1659 if (ret < 0) 1660 return ret; 1661 1662 return ov5640_set_framefmt(sensor, &sensor->fmt); 1663 } 1664 1665 static void ov5640_power(struct ov5640_dev *sensor, bool enable) 1666 { 1667 gpiod_set_value_cansleep(sensor->pwdn_gpio, enable ? 0 : 1); 1668 } 1669 1670 static void ov5640_reset(struct ov5640_dev *sensor) 1671 { 1672 if (!sensor->reset_gpio) 1673 return; 1674 1675 gpiod_set_value_cansleep(sensor->reset_gpio, 0); 1676 1677 /* camera power cycle */ 1678 ov5640_power(sensor, false); 1679 usleep_range(5000, 10000); 1680 ov5640_power(sensor, true); 1681 usleep_range(5000, 10000); 1682 1683 gpiod_set_value_cansleep(sensor->reset_gpio, 1); 1684 usleep_range(1000, 2000); 1685 1686 gpiod_set_value_cansleep(sensor->reset_gpio, 0); 1687 usleep_range(5000, 10000); 1688 } 1689 1690 static int ov5640_set_power_on(struct ov5640_dev *sensor) 1691 { 1692 struct i2c_client *client = sensor->i2c_client; 1693 int ret; 1694 1695 ret = clk_prepare_enable(sensor->xclk); 1696 if (ret) { 1697 dev_err(&client->dev, "%s: failed to enable clock\n", 1698 __func__); 1699 return ret; 1700 } 1701 1702 ret = regulator_bulk_enable(OV5640_NUM_SUPPLIES, 1703 sensor->supplies); 1704 if (ret) { 1705 dev_err(&client->dev, "%s: failed to enable regulators\n", 1706 __func__); 1707 goto xclk_off; 1708 } 1709 1710 ov5640_reset(sensor); 1711 ov5640_power(sensor, true); 1712 1713 ret = ov5640_init_slave_id(sensor); 1714 if (ret) 1715 goto power_off; 1716 1717 return 0; 1718 1719 power_off: 1720 ov5640_power(sensor, false); 1721 regulator_bulk_disable(OV5640_NUM_SUPPLIES, sensor->supplies); 1722 xclk_off: 1723 clk_disable_unprepare(sensor->xclk); 1724 return ret; 1725 } 1726 1727 static void ov5640_set_power_off(struct ov5640_dev *sensor) 1728 { 1729 ov5640_power(sensor, false); 1730 regulator_bulk_disable(OV5640_NUM_SUPPLIES, sensor->supplies); 1731 clk_disable_unprepare(sensor->xclk); 1732 } 1733 1734 static int ov5640_set_power(struct ov5640_dev *sensor, bool on) 1735 { 1736 int ret = 0; 1737 1738 if (on) { 1739 ret = ov5640_set_power_on(sensor); 1740 if (ret) 1741 return ret; 1742 1743 ret = ov5640_restore_mode(sensor); 1744 if (ret) 1745 goto power_off; 1746 1747 if (sensor->ep.bus_type == V4L2_MBUS_CSI2) { 1748 /* 1749 * start streaming briefly followed by stream off in 1750 * order to coax the clock lane into LP-11 state. 1751 */ 1752 ret = ov5640_set_stream_mipi(sensor, true); 1753 if (ret) 1754 goto power_off; 1755 usleep_range(1000, 2000); 1756 ret = ov5640_set_stream_mipi(sensor, false); 1757 if (ret) 1758 goto power_off; 1759 } 1760 1761 return 0; 1762 } 1763 1764 power_off: 1765 ov5640_set_power_off(sensor); 1766 return ret; 1767 } 1768 1769 /* --------------- Subdev Operations --------------- */ 1770 1771 static int ov5640_s_power(struct v4l2_subdev *sd, int on) 1772 { 1773 struct ov5640_dev *sensor = to_ov5640_dev(sd); 1774 int ret = 0; 1775 1776 mutex_lock(&sensor->lock); 1777 1778 /* 1779 * If the power count is modified from 0 to != 0 or from != 0 to 0, 1780 * update the power state. 1781 */ 1782 if (sensor->power_count == !on) { 1783 ret = ov5640_set_power(sensor, !!on); 1784 if (ret) 1785 goto out; 1786 } 1787 1788 /* Update the power count. */ 1789 sensor->power_count += on ? 1 : -1; 1790 WARN_ON(sensor->power_count < 0); 1791 out: 1792 mutex_unlock(&sensor->lock); 1793 1794 if (on && !ret && sensor->power_count == 1) { 1795 /* restore controls */ 1796 ret = v4l2_ctrl_handler_setup(&sensor->ctrls.handler); 1797 } 1798 1799 return ret; 1800 } 1801 1802 static int ov5640_try_frame_interval(struct ov5640_dev *sensor, 1803 struct v4l2_fract *fi, 1804 u32 width, u32 height) 1805 { 1806 const struct ov5640_mode_info *mode; 1807 u32 minfps, maxfps, fps; 1808 int ret; 1809 1810 minfps = ov5640_framerates[OV5640_15_FPS]; 1811 maxfps = ov5640_framerates[OV5640_30_FPS]; 1812 1813 if (fi->numerator == 0) { 1814 fi->denominator = maxfps; 1815 fi->numerator = 1; 1816 return OV5640_30_FPS; 1817 } 1818 1819 fps = DIV_ROUND_CLOSEST(fi->denominator, fi->numerator); 1820 1821 fi->numerator = 1; 1822 if (fps > maxfps) 1823 fi->denominator = maxfps; 1824 else if (fps < minfps) 1825 fi->denominator = minfps; 1826 else if (2 * fps >= 2 * minfps + (maxfps - minfps)) 1827 fi->denominator = maxfps; 1828 else 1829 fi->denominator = minfps; 1830 1831 ret = (fi->denominator == minfps) ? OV5640_15_FPS : OV5640_30_FPS; 1832 1833 mode = ov5640_find_mode(sensor, ret, width, height, false); 1834 return mode ? ret : -EINVAL; 1835 } 1836 1837 static int ov5640_get_fmt(struct v4l2_subdev *sd, 1838 struct v4l2_subdev_pad_config *cfg, 1839 struct v4l2_subdev_format *format) 1840 { 1841 struct ov5640_dev *sensor = to_ov5640_dev(sd); 1842 struct v4l2_mbus_framefmt *fmt; 1843 1844 if (format->pad != 0) 1845 return -EINVAL; 1846 1847 mutex_lock(&sensor->lock); 1848 1849 if (format->which == V4L2_SUBDEV_FORMAT_TRY) 1850 fmt = v4l2_subdev_get_try_format(&sensor->sd, cfg, 1851 format->pad); 1852 else 1853 fmt = &sensor->fmt; 1854 1855 format->format = *fmt; 1856 1857 mutex_unlock(&sensor->lock); 1858 1859 return 0; 1860 } 1861 1862 static int ov5640_try_fmt_internal(struct v4l2_subdev *sd, 1863 struct v4l2_mbus_framefmt *fmt, 1864 enum ov5640_frame_rate fr, 1865 const struct ov5640_mode_info **new_mode) 1866 { 1867 struct ov5640_dev *sensor = to_ov5640_dev(sd); 1868 const struct ov5640_mode_info *mode; 1869 int i; 1870 1871 mode = ov5640_find_mode(sensor, fr, fmt->width, fmt->height, true); 1872 if (!mode) 1873 return -EINVAL; 1874 fmt->width = mode->width; 1875 fmt->height = mode->height; 1876 1877 if (new_mode) 1878 *new_mode = mode; 1879 1880 for (i = 0; i < ARRAY_SIZE(ov5640_formats); i++) 1881 if (ov5640_formats[i].code == fmt->code) 1882 break; 1883 if (i >= ARRAY_SIZE(ov5640_formats)) 1884 i = 0; 1885 1886 fmt->code = ov5640_formats[i].code; 1887 fmt->colorspace = ov5640_formats[i].colorspace; 1888 fmt->ycbcr_enc = V4L2_MAP_YCBCR_ENC_DEFAULT(fmt->colorspace); 1889 fmt->quantization = V4L2_QUANTIZATION_FULL_RANGE; 1890 fmt->xfer_func = V4L2_MAP_XFER_FUNC_DEFAULT(fmt->colorspace); 1891 1892 return 0; 1893 } 1894 1895 static int ov5640_set_fmt(struct v4l2_subdev *sd, 1896 struct v4l2_subdev_pad_config *cfg, 1897 struct v4l2_subdev_format *format) 1898 { 1899 struct ov5640_dev *sensor = to_ov5640_dev(sd); 1900 const struct ov5640_mode_info *new_mode; 1901 struct v4l2_mbus_framefmt *mbus_fmt = &format->format; 1902 int ret; 1903 1904 if (format->pad != 0) 1905 return -EINVAL; 1906 1907 mutex_lock(&sensor->lock); 1908 1909 if (sensor->streaming) { 1910 ret = -EBUSY; 1911 goto out; 1912 } 1913 1914 ret = ov5640_try_fmt_internal(sd, mbus_fmt, 1915 sensor->current_fr, &new_mode); 1916 if (ret) 1917 goto out; 1918 1919 if (format->which == V4L2_SUBDEV_FORMAT_TRY) { 1920 struct v4l2_mbus_framefmt *fmt = 1921 v4l2_subdev_get_try_format(sd, cfg, 0); 1922 1923 *fmt = *mbus_fmt; 1924 goto out; 1925 } 1926 1927 sensor->current_mode = new_mode; 1928 sensor->fmt = *mbus_fmt; 1929 sensor->pending_mode_change = true; 1930 out: 1931 mutex_unlock(&sensor->lock); 1932 return ret; 1933 } 1934 1935 static int ov5640_set_framefmt(struct ov5640_dev *sensor, 1936 struct v4l2_mbus_framefmt *format) 1937 { 1938 int ret = 0; 1939 bool is_rgb = false; 1940 bool is_jpeg = false; 1941 u8 val; 1942 1943 switch (format->code) { 1944 case MEDIA_BUS_FMT_UYVY8_2X8: 1945 /* YUV422, UYVY */ 1946 val = 0x3f; 1947 break; 1948 case MEDIA_BUS_FMT_YUYV8_2X8: 1949 /* YUV422, YUYV */ 1950 val = 0x30; 1951 break; 1952 case MEDIA_BUS_FMT_RGB565_2X8_LE: 1953 /* RGB565 {g[2:0],b[4:0]},{r[4:0],g[5:3]} */ 1954 val = 0x6F; 1955 is_rgb = true; 1956 break; 1957 case MEDIA_BUS_FMT_RGB565_2X8_BE: 1958 /* RGB565 {r[4:0],g[5:3]},{g[2:0],b[4:0]} */ 1959 val = 0x61; 1960 is_rgb = true; 1961 break; 1962 case MEDIA_BUS_FMT_JPEG_1X8: 1963 /* YUV422, YUYV */ 1964 val = 0x30; 1965 is_jpeg = true; 1966 break; 1967 default: 1968 return -EINVAL; 1969 } 1970 1971 /* FORMAT CONTROL00: YUV and RGB formatting */ 1972 ret = ov5640_write_reg(sensor, OV5640_REG_FORMAT_CONTROL00, val); 1973 if (ret) 1974 return ret; 1975 1976 /* FORMAT MUX CONTROL: ISP YUV or RGB */ 1977 ret = ov5640_write_reg(sensor, OV5640_REG_ISP_FORMAT_MUX_CTRL, 1978 is_rgb ? 0x01 : 0x00); 1979 if (ret) 1980 return ret; 1981 1982 /* 1983 * TIMING TC REG21: 1984 * - [5]: JPEG enable 1985 */ 1986 ret = ov5640_mod_reg(sensor, OV5640_REG_TIMING_TC_REG21, 1987 BIT(5), is_jpeg ? BIT(5) : 0); 1988 if (ret) 1989 return ret; 1990 1991 /* 1992 * SYSTEM RESET02: 1993 * - [4]: Reset JFIFO 1994 * - [3]: Reset SFIFO 1995 * - [2]: Reset JPEG 1996 */ 1997 ret = ov5640_mod_reg(sensor, OV5640_REG_SYS_RESET02, 1998 BIT(4) | BIT(3) | BIT(2), 1999 is_jpeg ? 0 : (BIT(4) | BIT(3) | BIT(2))); 2000 if (ret) 2001 return ret; 2002 2003 /* 2004 * CLOCK ENABLE02: 2005 * - [5]: Enable JPEG 2x clock 2006 * - [3]: Enable JPEG clock 2007 */ 2008 return ov5640_mod_reg(sensor, OV5640_REG_SYS_CLOCK_ENABLE02, 2009 BIT(5) | BIT(3), 2010 is_jpeg ? (BIT(5) | BIT(3)) : 0); 2011 } 2012 2013 /* 2014 * Sensor Controls. 2015 */ 2016 2017 static int ov5640_set_ctrl_hue(struct ov5640_dev *sensor, int value) 2018 { 2019 int ret; 2020 2021 if (value) { 2022 ret = ov5640_mod_reg(sensor, OV5640_REG_SDE_CTRL0, 2023 BIT(0), BIT(0)); 2024 if (ret) 2025 return ret; 2026 ret = ov5640_write_reg16(sensor, OV5640_REG_SDE_CTRL1, value); 2027 } else { 2028 ret = ov5640_mod_reg(sensor, OV5640_REG_SDE_CTRL0, BIT(0), 0); 2029 } 2030 2031 return ret; 2032 } 2033 2034 static int ov5640_set_ctrl_contrast(struct ov5640_dev *sensor, int value) 2035 { 2036 int ret; 2037 2038 if (value) { 2039 ret = ov5640_mod_reg(sensor, OV5640_REG_SDE_CTRL0, 2040 BIT(2), BIT(2)); 2041 if (ret) 2042 return ret; 2043 ret = ov5640_write_reg(sensor, OV5640_REG_SDE_CTRL5, 2044 value & 0xff); 2045 } else { 2046 ret = ov5640_mod_reg(sensor, OV5640_REG_SDE_CTRL0, BIT(2), 0); 2047 } 2048 2049 return ret; 2050 } 2051 2052 static int ov5640_set_ctrl_saturation(struct ov5640_dev *sensor, int value) 2053 { 2054 int ret; 2055 2056 if (value) { 2057 ret = ov5640_mod_reg(sensor, OV5640_REG_SDE_CTRL0, 2058 BIT(1), BIT(1)); 2059 if (ret) 2060 return ret; 2061 ret = ov5640_write_reg(sensor, OV5640_REG_SDE_CTRL3, 2062 value & 0xff); 2063 if (ret) 2064 return ret; 2065 ret = ov5640_write_reg(sensor, OV5640_REG_SDE_CTRL4, 2066 value & 0xff); 2067 } else { 2068 ret = ov5640_mod_reg(sensor, OV5640_REG_SDE_CTRL0, BIT(1), 0); 2069 } 2070 2071 return ret; 2072 } 2073 2074 static int ov5640_set_ctrl_white_balance(struct ov5640_dev *sensor, int awb) 2075 { 2076 int ret; 2077 2078 ret = ov5640_mod_reg(sensor, OV5640_REG_AWB_MANUAL_CTRL, 2079 BIT(0), awb ? 0 : 1); 2080 if (ret) 2081 return ret; 2082 2083 if (!awb) { 2084 u16 red = (u16)sensor->ctrls.red_balance->val; 2085 u16 blue = (u16)sensor->ctrls.blue_balance->val; 2086 2087 ret = ov5640_write_reg16(sensor, OV5640_REG_AWB_R_GAIN, red); 2088 if (ret) 2089 return ret; 2090 ret = ov5640_write_reg16(sensor, OV5640_REG_AWB_B_GAIN, blue); 2091 } 2092 2093 return ret; 2094 } 2095 2096 static int ov5640_set_ctrl_exposure(struct ov5640_dev *sensor, int exp) 2097 { 2098 struct ov5640_ctrls *ctrls = &sensor->ctrls; 2099 bool auto_exposure = (exp == V4L2_EXPOSURE_AUTO); 2100 int ret = 0; 2101 2102 if (ctrls->auto_exp->is_new) { 2103 ret = ov5640_mod_reg(sensor, OV5640_REG_AEC_PK_MANUAL, 2104 BIT(0), auto_exposure ? 0 : BIT(0)); 2105 if (ret) 2106 return ret; 2107 } 2108 2109 if (!auto_exposure && ctrls->exposure->is_new) { 2110 u16 max_exp; 2111 2112 ret = ov5640_read_reg16(sensor, OV5640_REG_AEC_PK_VTS, 2113 &max_exp); 2114 if (ret) 2115 return ret; 2116 ret = ov5640_get_vts(sensor); 2117 if (ret < 0) 2118 return ret; 2119 max_exp += ret; 2120 ret = 0; 2121 2122 if (ctrls->exposure->val < max_exp) 2123 ret = ov5640_set_exposure(sensor, ctrls->exposure->val); 2124 } 2125 2126 return ret; 2127 } 2128 2129 static int ov5640_set_ctrl_gain(struct ov5640_dev *sensor, int auto_gain) 2130 { 2131 struct ov5640_ctrls *ctrls = &sensor->ctrls; 2132 int ret = 0; 2133 2134 if (ctrls->auto_gain->is_new) { 2135 ret = ov5640_mod_reg(sensor, OV5640_REG_AEC_PK_MANUAL, 2136 BIT(1), 2137 ctrls->auto_gain->val ? 0 : BIT(1)); 2138 if (ret) 2139 return ret; 2140 } 2141 2142 if (!auto_gain && ctrls->gain->is_new) { 2143 u16 gain = (u16)ctrls->gain->val; 2144 2145 ret = ov5640_write_reg16(sensor, OV5640_REG_AEC_PK_REAL_GAIN, 2146 gain & 0x3ff); 2147 } 2148 2149 return ret; 2150 } 2151 2152 static int ov5640_set_ctrl_test_pattern(struct ov5640_dev *sensor, int value) 2153 { 2154 return ov5640_mod_reg(sensor, OV5640_REG_PRE_ISP_TEST_SET1, 2155 0xa4, value ? 0xa4 : 0); 2156 } 2157 2158 static int ov5640_g_volatile_ctrl(struct v4l2_ctrl *ctrl) 2159 { 2160 struct v4l2_subdev *sd = ctrl_to_sd(ctrl); 2161 struct ov5640_dev *sensor = to_ov5640_dev(sd); 2162 int val; 2163 2164 /* v4l2_ctrl_lock() locks our own mutex */ 2165 2166 switch (ctrl->id) { 2167 case V4L2_CID_AUTOGAIN: 2168 if (!ctrl->val) 2169 return 0; 2170 val = ov5640_get_gain(sensor); 2171 if (val < 0) 2172 return val; 2173 sensor->ctrls.gain->val = val; 2174 break; 2175 case V4L2_CID_EXPOSURE_AUTO: 2176 if (ctrl->val == V4L2_EXPOSURE_MANUAL) 2177 return 0; 2178 val = ov5640_get_exposure(sensor); 2179 if (val < 0) 2180 return val; 2181 sensor->ctrls.exposure->val = val; 2182 break; 2183 } 2184 2185 return 0; 2186 } 2187 2188 static int ov5640_s_ctrl(struct v4l2_ctrl *ctrl) 2189 { 2190 struct v4l2_subdev *sd = ctrl_to_sd(ctrl); 2191 struct ov5640_dev *sensor = to_ov5640_dev(sd); 2192 int ret; 2193 2194 /* v4l2_ctrl_lock() locks our own mutex */ 2195 2196 /* 2197 * If the device is not powered up by the host driver do 2198 * not apply any controls to H/W at this time. Instead 2199 * the controls will be restored right after power-up. 2200 */ 2201 if (sensor->power_count == 0) 2202 return 0; 2203 2204 switch (ctrl->id) { 2205 case V4L2_CID_AUTOGAIN: 2206 ret = ov5640_set_ctrl_gain(sensor, ctrl->val); 2207 break; 2208 case V4L2_CID_EXPOSURE_AUTO: 2209 ret = ov5640_set_ctrl_exposure(sensor, ctrl->val); 2210 break; 2211 case V4L2_CID_AUTO_WHITE_BALANCE: 2212 ret = ov5640_set_ctrl_white_balance(sensor, ctrl->val); 2213 break; 2214 case V4L2_CID_HUE: 2215 ret = ov5640_set_ctrl_hue(sensor, ctrl->val); 2216 break; 2217 case V4L2_CID_CONTRAST: 2218 ret = ov5640_set_ctrl_contrast(sensor, ctrl->val); 2219 break; 2220 case V4L2_CID_SATURATION: 2221 ret = ov5640_set_ctrl_saturation(sensor, ctrl->val); 2222 break; 2223 case V4L2_CID_TEST_PATTERN: 2224 ret = ov5640_set_ctrl_test_pattern(sensor, ctrl->val); 2225 break; 2226 default: 2227 ret = -EINVAL; 2228 break; 2229 } 2230 2231 return ret; 2232 } 2233 2234 static const struct v4l2_ctrl_ops ov5640_ctrl_ops = { 2235 .g_volatile_ctrl = ov5640_g_volatile_ctrl, 2236 .s_ctrl = ov5640_s_ctrl, 2237 }; 2238 2239 static const char * const test_pattern_menu[] = { 2240 "Disabled", 2241 "Color bars", 2242 }; 2243 2244 static int ov5640_init_controls(struct ov5640_dev *sensor) 2245 { 2246 const struct v4l2_ctrl_ops *ops = &ov5640_ctrl_ops; 2247 struct ov5640_ctrls *ctrls = &sensor->ctrls; 2248 struct v4l2_ctrl_handler *hdl = &ctrls->handler; 2249 int ret; 2250 2251 v4l2_ctrl_handler_init(hdl, 32); 2252 2253 /* we can use our own mutex for the ctrl lock */ 2254 hdl->lock = &sensor->lock; 2255 2256 /* Auto/manual white balance */ 2257 ctrls->auto_wb = v4l2_ctrl_new_std(hdl, ops, 2258 V4L2_CID_AUTO_WHITE_BALANCE, 2259 0, 1, 1, 1); 2260 ctrls->blue_balance = v4l2_ctrl_new_std(hdl, ops, V4L2_CID_BLUE_BALANCE, 2261 0, 4095, 1, 0); 2262 ctrls->red_balance = v4l2_ctrl_new_std(hdl, ops, V4L2_CID_RED_BALANCE, 2263 0, 4095, 1, 0); 2264 /* Auto/manual exposure */ 2265 ctrls->auto_exp = v4l2_ctrl_new_std_menu(hdl, ops, 2266 V4L2_CID_EXPOSURE_AUTO, 2267 V4L2_EXPOSURE_MANUAL, 0, 2268 V4L2_EXPOSURE_AUTO); 2269 ctrls->exposure = v4l2_ctrl_new_std(hdl, ops, V4L2_CID_EXPOSURE, 2270 0, 65535, 1, 0); 2271 /* Auto/manual gain */ 2272 ctrls->auto_gain = v4l2_ctrl_new_std(hdl, ops, V4L2_CID_AUTOGAIN, 2273 0, 1, 1, 1); 2274 ctrls->gain = v4l2_ctrl_new_std(hdl, ops, V4L2_CID_GAIN, 2275 0, 1023, 1, 0); 2276 2277 ctrls->saturation = v4l2_ctrl_new_std(hdl, ops, V4L2_CID_SATURATION, 2278 0, 255, 1, 64); 2279 ctrls->hue = v4l2_ctrl_new_std(hdl, ops, V4L2_CID_HUE, 2280 0, 359, 1, 0); 2281 ctrls->contrast = v4l2_ctrl_new_std(hdl, ops, V4L2_CID_CONTRAST, 2282 0, 255, 1, 0); 2283 ctrls->test_pattern = 2284 v4l2_ctrl_new_std_menu_items(hdl, ops, V4L2_CID_TEST_PATTERN, 2285 ARRAY_SIZE(test_pattern_menu) - 1, 2286 0, 0, test_pattern_menu); 2287 2288 if (hdl->error) { 2289 ret = hdl->error; 2290 goto free_ctrls; 2291 } 2292 2293 ctrls->gain->flags |= V4L2_CTRL_FLAG_VOLATILE; 2294 ctrls->exposure->flags |= V4L2_CTRL_FLAG_VOLATILE; 2295 2296 v4l2_ctrl_auto_cluster(3, &ctrls->auto_wb, 0, false); 2297 v4l2_ctrl_auto_cluster(2, &ctrls->auto_gain, 0, true); 2298 v4l2_ctrl_auto_cluster(2, &ctrls->auto_exp, 1, true); 2299 2300 sensor->sd.ctrl_handler = hdl; 2301 return 0; 2302 2303 free_ctrls: 2304 v4l2_ctrl_handler_free(hdl); 2305 return ret; 2306 } 2307 2308 static int ov5640_enum_frame_size(struct v4l2_subdev *sd, 2309 struct v4l2_subdev_pad_config *cfg, 2310 struct v4l2_subdev_frame_size_enum *fse) 2311 { 2312 if (fse->pad != 0) 2313 return -EINVAL; 2314 if (fse->index >= OV5640_NUM_MODES) 2315 return -EINVAL; 2316 2317 fse->min_width = 2318 ov5640_mode_data[0][fse->index].width; 2319 fse->max_width = fse->min_width; 2320 fse->min_height = 2321 ov5640_mode_data[0][fse->index].height; 2322 fse->max_height = fse->min_height; 2323 2324 return 0; 2325 } 2326 2327 static int ov5640_enum_frame_interval( 2328 struct v4l2_subdev *sd, 2329 struct v4l2_subdev_pad_config *cfg, 2330 struct v4l2_subdev_frame_interval_enum *fie) 2331 { 2332 struct ov5640_dev *sensor = to_ov5640_dev(sd); 2333 struct v4l2_fract tpf; 2334 int ret; 2335 2336 if (fie->pad != 0) 2337 return -EINVAL; 2338 if (fie->index >= OV5640_NUM_FRAMERATES) 2339 return -EINVAL; 2340 2341 tpf.numerator = 1; 2342 tpf.denominator = ov5640_framerates[fie->index]; 2343 2344 ret = ov5640_try_frame_interval(sensor, &tpf, 2345 fie->width, fie->height); 2346 if (ret < 0) 2347 return -EINVAL; 2348 2349 fie->interval = tpf; 2350 return 0; 2351 } 2352 2353 static int ov5640_g_frame_interval(struct v4l2_subdev *sd, 2354 struct v4l2_subdev_frame_interval *fi) 2355 { 2356 struct ov5640_dev *sensor = to_ov5640_dev(sd); 2357 2358 mutex_lock(&sensor->lock); 2359 fi->interval = sensor->frame_interval; 2360 mutex_unlock(&sensor->lock); 2361 2362 return 0; 2363 } 2364 2365 static int ov5640_s_frame_interval(struct v4l2_subdev *sd, 2366 struct v4l2_subdev_frame_interval *fi) 2367 { 2368 struct ov5640_dev *sensor = to_ov5640_dev(sd); 2369 const struct ov5640_mode_info *mode; 2370 int frame_rate, ret = 0; 2371 2372 if (fi->pad != 0) 2373 return -EINVAL; 2374 2375 mutex_lock(&sensor->lock); 2376 2377 if (sensor->streaming) { 2378 ret = -EBUSY; 2379 goto out; 2380 } 2381 2382 mode = sensor->current_mode; 2383 2384 frame_rate = ov5640_try_frame_interval(sensor, &fi->interval, 2385 mode->width, mode->height); 2386 if (frame_rate < 0) 2387 frame_rate = OV5640_15_FPS; 2388 2389 sensor->current_fr = frame_rate; 2390 sensor->frame_interval = fi->interval; 2391 sensor->current_mode = ov5640_find_mode(sensor, frame_rate, mode->width, 2392 mode->height, true); 2393 sensor->pending_mode_change = true; 2394 out: 2395 mutex_unlock(&sensor->lock); 2396 return ret; 2397 } 2398 2399 static int ov5640_enum_mbus_code(struct v4l2_subdev *sd, 2400 struct v4l2_subdev_pad_config *cfg, 2401 struct v4l2_subdev_mbus_code_enum *code) 2402 { 2403 if (code->pad != 0) 2404 return -EINVAL; 2405 if (code->index >= ARRAY_SIZE(ov5640_formats)) 2406 return -EINVAL; 2407 2408 code->code = ov5640_formats[code->index].code; 2409 return 0; 2410 } 2411 2412 static int ov5640_s_stream(struct v4l2_subdev *sd, int enable) 2413 { 2414 struct ov5640_dev *sensor = to_ov5640_dev(sd); 2415 int ret = 0; 2416 2417 mutex_lock(&sensor->lock); 2418 2419 if (sensor->streaming == !enable) { 2420 if (enable && sensor->pending_mode_change) { 2421 ret = ov5640_set_mode(sensor, sensor->current_mode); 2422 if (ret) 2423 goto out; 2424 2425 ret = ov5640_set_framefmt(sensor, &sensor->fmt); 2426 if (ret) 2427 goto out; 2428 } 2429 2430 if (sensor->ep.bus_type == V4L2_MBUS_CSI2) 2431 ret = ov5640_set_stream_mipi(sensor, enable); 2432 else 2433 ret = ov5640_set_stream_dvp(sensor, enable); 2434 2435 if (!ret) 2436 sensor->streaming = enable; 2437 } 2438 out: 2439 mutex_unlock(&sensor->lock); 2440 return ret; 2441 } 2442 2443 static const struct v4l2_subdev_core_ops ov5640_core_ops = { 2444 .s_power = ov5640_s_power, 2445 }; 2446 2447 static const struct v4l2_subdev_video_ops ov5640_video_ops = { 2448 .g_frame_interval = ov5640_g_frame_interval, 2449 .s_frame_interval = ov5640_s_frame_interval, 2450 .s_stream = ov5640_s_stream, 2451 }; 2452 2453 static const struct v4l2_subdev_pad_ops ov5640_pad_ops = { 2454 .enum_mbus_code = ov5640_enum_mbus_code, 2455 .get_fmt = ov5640_get_fmt, 2456 .set_fmt = ov5640_set_fmt, 2457 .enum_frame_size = ov5640_enum_frame_size, 2458 .enum_frame_interval = ov5640_enum_frame_interval, 2459 }; 2460 2461 static const struct v4l2_subdev_ops ov5640_subdev_ops = { 2462 .core = &ov5640_core_ops, 2463 .video = &ov5640_video_ops, 2464 .pad = &ov5640_pad_ops, 2465 }; 2466 2467 static int ov5640_get_regulators(struct ov5640_dev *sensor) 2468 { 2469 int i; 2470 2471 for (i = 0; i < OV5640_NUM_SUPPLIES; i++) 2472 sensor->supplies[i].supply = ov5640_supply_name[i]; 2473 2474 return devm_regulator_bulk_get(&sensor->i2c_client->dev, 2475 OV5640_NUM_SUPPLIES, 2476 sensor->supplies); 2477 } 2478 2479 static int ov5640_check_chip_id(struct ov5640_dev *sensor) 2480 { 2481 struct i2c_client *client = sensor->i2c_client; 2482 int ret = 0; 2483 u16 chip_id; 2484 2485 ret = ov5640_set_power_on(sensor); 2486 if (ret) 2487 return ret; 2488 2489 ret = ov5640_read_reg16(sensor, OV5640_REG_CHIP_ID, &chip_id); 2490 if (ret) { 2491 dev_err(&client->dev, "%s: failed to read chip identifier\n", 2492 __func__); 2493 goto power_off; 2494 } 2495 2496 if (chip_id != 0x5640) { 2497 dev_err(&client->dev, "%s: wrong chip identifier, expected 0x5640, got 0x%x\n", 2498 __func__, chip_id); 2499 ret = -ENXIO; 2500 } 2501 2502 power_off: 2503 ov5640_set_power_off(sensor); 2504 return ret; 2505 } 2506 2507 static int ov5640_probe(struct i2c_client *client, 2508 const struct i2c_device_id *id) 2509 { 2510 struct device *dev = &client->dev; 2511 struct fwnode_handle *endpoint; 2512 struct ov5640_dev *sensor; 2513 struct v4l2_mbus_framefmt *fmt; 2514 int ret; 2515 2516 sensor = devm_kzalloc(dev, sizeof(*sensor), GFP_KERNEL); 2517 if (!sensor) 2518 return -ENOMEM; 2519 2520 sensor->i2c_client = client; 2521 fmt = &sensor->fmt; 2522 fmt->code = ov5640_formats[0].code; 2523 fmt->colorspace = ov5640_formats[0].colorspace; 2524 fmt->ycbcr_enc = V4L2_MAP_YCBCR_ENC_DEFAULT(fmt->colorspace); 2525 fmt->quantization = V4L2_QUANTIZATION_FULL_RANGE; 2526 fmt->xfer_func = V4L2_MAP_XFER_FUNC_DEFAULT(fmt->colorspace); 2527 fmt->width = 640; 2528 fmt->height = 480; 2529 fmt->field = V4L2_FIELD_NONE; 2530 sensor->frame_interval.numerator = 1; 2531 sensor->frame_interval.denominator = ov5640_framerates[OV5640_30_FPS]; 2532 sensor->current_fr = OV5640_30_FPS; 2533 sensor->current_mode = 2534 &ov5640_mode_data[OV5640_30_FPS][OV5640_MODE_VGA_640_480]; 2535 sensor->pending_mode_change = true; 2536 2537 sensor->ae_target = 52; 2538 2539 endpoint = fwnode_graph_get_next_endpoint( 2540 of_fwnode_handle(client->dev.of_node), NULL); 2541 if (!endpoint) { 2542 dev_err(dev, "endpoint node not found\n"); 2543 return -EINVAL; 2544 } 2545 2546 ret = v4l2_fwnode_endpoint_parse(endpoint, &sensor->ep); 2547 fwnode_handle_put(endpoint); 2548 if (ret) { 2549 dev_err(dev, "Could not parse endpoint\n"); 2550 return ret; 2551 } 2552 2553 /* get system clock (xclk) */ 2554 sensor->xclk = devm_clk_get(dev, "xclk"); 2555 if (IS_ERR(sensor->xclk)) { 2556 dev_err(dev, "failed to get xclk\n"); 2557 return PTR_ERR(sensor->xclk); 2558 } 2559 2560 sensor->xclk_freq = clk_get_rate(sensor->xclk); 2561 if (sensor->xclk_freq < OV5640_XCLK_MIN || 2562 sensor->xclk_freq > OV5640_XCLK_MAX) { 2563 dev_err(dev, "xclk frequency out of range: %d Hz\n", 2564 sensor->xclk_freq); 2565 return -EINVAL; 2566 } 2567 2568 /* request optional power down pin */ 2569 sensor->pwdn_gpio = devm_gpiod_get_optional(dev, "powerdown", 2570 GPIOD_OUT_HIGH); 2571 /* request optional reset pin */ 2572 sensor->reset_gpio = devm_gpiod_get_optional(dev, "reset", 2573 GPIOD_OUT_HIGH); 2574 2575 v4l2_i2c_subdev_init(&sensor->sd, client, &ov5640_subdev_ops); 2576 2577 sensor->sd.flags |= V4L2_SUBDEV_FL_HAS_DEVNODE; 2578 sensor->pad.flags = MEDIA_PAD_FL_SOURCE; 2579 sensor->sd.entity.function = MEDIA_ENT_F_CAM_SENSOR; 2580 ret = media_entity_pads_init(&sensor->sd.entity, 1, &sensor->pad); 2581 if (ret) 2582 return ret; 2583 2584 ret = ov5640_get_regulators(sensor); 2585 if (ret) 2586 return ret; 2587 2588 mutex_init(&sensor->lock); 2589 2590 ret = ov5640_check_chip_id(sensor); 2591 if (ret) 2592 goto entity_cleanup; 2593 2594 ret = ov5640_init_controls(sensor); 2595 if (ret) 2596 goto entity_cleanup; 2597 2598 ret = v4l2_async_register_subdev(&sensor->sd); 2599 if (ret) 2600 goto free_ctrls; 2601 2602 return 0; 2603 2604 free_ctrls: 2605 v4l2_ctrl_handler_free(&sensor->ctrls.handler); 2606 entity_cleanup: 2607 mutex_destroy(&sensor->lock); 2608 media_entity_cleanup(&sensor->sd.entity); 2609 return ret; 2610 } 2611 2612 static int ov5640_remove(struct i2c_client *client) 2613 { 2614 struct v4l2_subdev *sd = i2c_get_clientdata(client); 2615 struct ov5640_dev *sensor = to_ov5640_dev(sd); 2616 2617 v4l2_async_unregister_subdev(&sensor->sd); 2618 mutex_destroy(&sensor->lock); 2619 media_entity_cleanup(&sensor->sd.entity); 2620 v4l2_ctrl_handler_free(&sensor->ctrls.handler); 2621 2622 return 0; 2623 } 2624 2625 static const struct i2c_device_id ov5640_id[] = { 2626 {"ov5640", 0}, 2627 {}, 2628 }; 2629 MODULE_DEVICE_TABLE(i2c, ov5640_id); 2630 2631 static const struct of_device_id ov5640_dt_ids[] = { 2632 { .compatible = "ovti,ov5640" }, 2633 { /* sentinel */ } 2634 }; 2635 MODULE_DEVICE_TABLE(of, ov5640_dt_ids); 2636 2637 static struct i2c_driver ov5640_i2c_driver = { 2638 .driver = { 2639 .name = "ov5640", 2640 .of_match_table = ov5640_dt_ids, 2641 }, 2642 .id_table = ov5640_id, 2643 .probe = ov5640_probe, 2644 .remove = ov5640_remove, 2645 }; 2646 2647 module_i2c_driver(ov5640_i2c_driver); 2648 2649 MODULE_DESCRIPTION("OV5640 MIPI Camera Subdev Driver"); 2650 MODULE_LICENSE("GPL"); 2651