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 99 100 enum 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 }; 112 113 enum ov5640_frame_rate { 114 OV5640_15_FPS = 0, 115 OV5640_30_FPS, 116 OV5640_NUM_FRAMERATES, 117 }; 118 119 struct ov5640_pixfmt { 120 u32 code; 121 u32 colorspace; 122 }; 123 124 static 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 */ 136 static unsigned int virtual_channel; 137 module_param(virtual_channel, uint, 0444); 138 MODULE_PARM_DESC(virtual_channel, 139 "MIPI CSI-2 virtual channel (0..3), default 0"); 140 141 static const int ov5640_framerates[] = { 142 [OV5640_15_FPS] = 15, 143 [OV5640_30_FPS] = 30, 144 }; 145 146 /* regulator supplies */ 147 static 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 */ 159 enum ov5640_downsize_mode { 160 SUBSAMPLING, 161 SCALING, 162 }; 163 164 struct reg_value { 165 u16 reg_addr; 166 u8 val; 167 u8 mask; 168 u32 delay_ms; 169 }; 170 171 struct 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 }; 181 182 struct 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 }; 206 207 struct 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; 226 227 const struct ov5640_mode_info *current_mode; 228 enum ov5640_frame_rate current_fr; 229 struct v4l2_fract frame_interval; 230 231 struct ov5640_ctrls ctrls; 232 233 u32 prev_sysclk, prev_hts; 234 u32 ae_low, ae_high, ae_target; 235 236 bool pending_mode_change; 237 bool streaming; 238 }; 239 240 static inline struct ov5640_dev *to_ov5640_dev(struct v4l2_subdev *sd) 241 { 242 return container_of(sd, struct ov5640_dev, sd); 243 } 244 245 static inline struct v4l2_subdev *ctrl_to_sd(struct v4l2_ctrl *ctrl) 246 { 247 return &container_of(ctrl->handler, struct ov5640_dev, 248 ctrls.handler)->sd; 249 } 250 251 /* 252 * FIXME: all of these register tables are likely filled with 253 * entries that set the register to their power-on default values, 254 * and which are otherwise not touched by this driver. Those entries 255 * should be identified and removed to speed register load time 256 * over i2c. 257 */ 258 259 static const struct reg_value ov5640_init_setting_30fps_VGA[] = { 260 {0x3103, 0x11, 0, 0}, {0x3008, 0x82, 0, 5}, {0x3008, 0x42, 0, 0}, 261 {0x3103, 0x03, 0, 0}, {0x3017, 0x00, 0, 0}, {0x3018, 0x00, 0, 0}, 262 {0x3034, 0x18, 0, 0}, {0x3035, 0x14, 0, 0}, {0x3036, 0x38, 0, 0}, 263 {0x3037, 0x13, 0, 0}, {0x3630, 0x36, 0, 0}, 264 {0x3631, 0x0e, 0, 0}, {0x3632, 0xe2, 0, 0}, {0x3633, 0x12, 0, 0}, 265 {0x3621, 0xe0, 0, 0}, {0x3704, 0xa0, 0, 0}, {0x3703, 0x5a, 0, 0}, 266 {0x3715, 0x78, 0, 0}, {0x3717, 0x01, 0, 0}, {0x370b, 0x60, 0, 0}, 267 {0x3705, 0x1a, 0, 0}, {0x3905, 0x02, 0, 0}, {0x3906, 0x10, 0, 0}, 268 {0x3901, 0x0a, 0, 0}, {0x3731, 0x12, 0, 0}, {0x3600, 0x08, 0, 0}, 269 {0x3601, 0x33, 0, 0}, {0x302d, 0x60, 0, 0}, {0x3620, 0x52, 0, 0}, 270 {0x371b, 0x20, 0, 0}, {0x471c, 0x50, 0, 0}, {0x3a13, 0x43, 0, 0}, 271 {0x3a18, 0x00, 0, 0}, {0x3a19, 0xf8, 0, 0}, {0x3635, 0x13, 0, 0}, 272 {0x3636, 0x03, 0, 0}, {0x3634, 0x40, 0, 0}, {0x3622, 0x01, 0, 0}, 273 {0x3c01, 0xa4, 0, 0}, {0x3c04, 0x28, 0, 0}, {0x3c05, 0x98, 0, 0}, 274 {0x3c06, 0x00, 0, 0}, {0x3c07, 0x08, 0, 0}, {0x3c08, 0x00, 0, 0}, 275 {0x3c09, 0x1c, 0, 0}, {0x3c0a, 0x9c, 0, 0}, {0x3c0b, 0x40, 0, 0}, 276 {0x3820, 0x41, 0, 0}, {0x3821, 0x07, 0, 0}, {0x3814, 0x31, 0, 0}, 277 {0x3815, 0x31, 0, 0}, {0x3800, 0x00, 0, 0}, {0x3801, 0x00, 0, 0}, 278 {0x3802, 0x00, 0, 0}, {0x3803, 0x04, 0, 0}, {0x3804, 0x0a, 0, 0}, 279 {0x3805, 0x3f, 0, 0}, {0x3806, 0x07, 0, 0}, {0x3807, 0x9b, 0, 0}, 280 {0x3810, 0x00, 0, 0}, 281 {0x3811, 0x10, 0, 0}, {0x3812, 0x00, 0, 0}, {0x3813, 0x06, 0, 0}, 282 {0x3618, 0x00, 0, 0}, {0x3612, 0x29, 0, 0}, {0x3708, 0x64, 0, 0}, 283 {0x3709, 0x52, 0, 0}, {0x370c, 0x03, 0, 0}, {0x3a02, 0x03, 0, 0}, 284 {0x3a03, 0xd8, 0, 0}, {0x3a08, 0x01, 0, 0}, {0x3a09, 0x27, 0, 0}, 285 {0x3a0a, 0x00, 0, 0}, {0x3a0b, 0xf6, 0, 0}, {0x3a0e, 0x03, 0, 0}, 286 {0x3a0d, 0x04, 0, 0}, {0x3a14, 0x03, 0, 0}, {0x3a15, 0xd8, 0, 0}, 287 {0x4001, 0x02, 0, 0}, {0x4004, 0x02, 0, 0}, {0x3000, 0x00, 0, 0}, 288 {0x3002, 0x1c, 0, 0}, {0x3004, 0xff, 0, 0}, {0x3006, 0xc3, 0, 0}, 289 {0x300e, 0x45, 0, 0}, {0x302e, 0x08, 0, 0}, {0x4300, 0x3f, 0, 0}, 290 {0x501f, 0x00, 0, 0}, {0x4713, 0x03, 0, 0}, {0x4407, 0x04, 0, 0}, 291 {0x440e, 0x00, 0, 0}, {0x460b, 0x35, 0, 0}, {0x460c, 0x22, 0, 0}, 292 {0x4837, 0x0a, 0, 0}, {0x4800, 0x04, 0, 0}, {0x3824, 0x02, 0, 0}, 293 {0x5000, 0xa7, 0, 0}, {0x5001, 0xa3, 0, 0}, {0x5180, 0xff, 0, 0}, 294 {0x5181, 0xf2, 0, 0}, {0x5182, 0x00, 0, 0}, {0x5183, 0x14, 0, 0}, 295 {0x5184, 0x25, 0, 0}, {0x5185, 0x24, 0, 0}, {0x5186, 0x09, 0, 0}, 296 {0x5187, 0x09, 0, 0}, {0x5188, 0x09, 0, 0}, {0x5189, 0x88, 0, 0}, 297 {0x518a, 0x54, 0, 0}, {0x518b, 0xee, 0, 0}, {0x518c, 0xb2, 0, 0}, 298 {0x518d, 0x50, 0, 0}, {0x518e, 0x34, 0, 0}, {0x518f, 0x6b, 0, 0}, 299 {0x5190, 0x46, 0, 0}, {0x5191, 0xf8, 0, 0}, {0x5192, 0x04, 0, 0}, 300 {0x5193, 0x70, 0, 0}, {0x5194, 0xf0, 0, 0}, {0x5195, 0xf0, 0, 0}, 301 {0x5196, 0x03, 0, 0}, {0x5197, 0x01, 0, 0}, {0x5198, 0x04, 0, 0}, 302 {0x5199, 0x6c, 0, 0}, {0x519a, 0x04, 0, 0}, {0x519b, 0x00, 0, 0}, 303 {0x519c, 0x09, 0, 0}, {0x519d, 0x2b, 0, 0}, {0x519e, 0x38, 0, 0}, 304 {0x5381, 0x1e, 0, 0}, {0x5382, 0x5b, 0, 0}, {0x5383, 0x08, 0, 0}, 305 {0x5384, 0x0a, 0, 0}, {0x5385, 0x7e, 0, 0}, {0x5386, 0x88, 0, 0}, 306 {0x5387, 0x7c, 0, 0}, {0x5388, 0x6c, 0, 0}, {0x5389, 0x10, 0, 0}, 307 {0x538a, 0x01, 0, 0}, {0x538b, 0x98, 0, 0}, {0x5300, 0x08, 0, 0}, 308 {0x5301, 0x30, 0, 0}, {0x5302, 0x10, 0, 0}, {0x5303, 0x00, 0, 0}, 309 {0x5304, 0x08, 0, 0}, {0x5305, 0x30, 0, 0}, {0x5306, 0x08, 0, 0}, 310 {0x5307, 0x16, 0, 0}, {0x5309, 0x08, 0, 0}, {0x530a, 0x30, 0, 0}, 311 {0x530b, 0x04, 0, 0}, {0x530c, 0x06, 0, 0}, {0x5480, 0x01, 0, 0}, 312 {0x5481, 0x08, 0, 0}, {0x5482, 0x14, 0, 0}, {0x5483, 0x28, 0, 0}, 313 {0x5484, 0x51, 0, 0}, {0x5485, 0x65, 0, 0}, {0x5486, 0x71, 0, 0}, 314 {0x5487, 0x7d, 0, 0}, {0x5488, 0x87, 0, 0}, {0x5489, 0x91, 0, 0}, 315 {0x548a, 0x9a, 0, 0}, {0x548b, 0xaa, 0, 0}, {0x548c, 0xb8, 0, 0}, 316 {0x548d, 0xcd, 0, 0}, {0x548e, 0xdd, 0, 0}, {0x548f, 0xea, 0, 0}, 317 {0x5490, 0x1d, 0, 0}, {0x5580, 0x02, 0, 0}, {0x5583, 0x40, 0, 0}, 318 {0x5584, 0x10, 0, 0}, {0x5589, 0x10, 0, 0}, {0x558a, 0x00, 0, 0}, 319 {0x558b, 0xf8, 0, 0}, {0x5800, 0x23, 0, 0}, {0x5801, 0x14, 0, 0}, 320 {0x5802, 0x0f, 0, 0}, {0x5803, 0x0f, 0, 0}, {0x5804, 0x12, 0, 0}, 321 {0x5805, 0x26, 0, 0}, {0x5806, 0x0c, 0, 0}, {0x5807, 0x08, 0, 0}, 322 {0x5808, 0x05, 0, 0}, {0x5809, 0x05, 0, 0}, {0x580a, 0x08, 0, 0}, 323 {0x580b, 0x0d, 0, 0}, {0x580c, 0x08, 0, 0}, {0x580d, 0x03, 0, 0}, 324 {0x580e, 0x00, 0, 0}, {0x580f, 0x00, 0, 0}, {0x5810, 0x03, 0, 0}, 325 {0x5811, 0x09, 0, 0}, {0x5812, 0x07, 0, 0}, {0x5813, 0x03, 0, 0}, 326 {0x5814, 0x00, 0, 0}, {0x5815, 0x01, 0, 0}, {0x5816, 0x03, 0, 0}, 327 {0x5817, 0x08, 0, 0}, {0x5818, 0x0d, 0, 0}, {0x5819, 0x08, 0, 0}, 328 {0x581a, 0x05, 0, 0}, {0x581b, 0x06, 0, 0}, {0x581c, 0x08, 0, 0}, 329 {0x581d, 0x0e, 0, 0}, {0x581e, 0x29, 0, 0}, {0x581f, 0x17, 0, 0}, 330 {0x5820, 0x11, 0, 0}, {0x5821, 0x11, 0, 0}, {0x5822, 0x15, 0, 0}, 331 {0x5823, 0x28, 0, 0}, {0x5824, 0x46, 0, 0}, {0x5825, 0x26, 0, 0}, 332 {0x5826, 0x08, 0, 0}, {0x5827, 0x26, 0, 0}, {0x5828, 0x64, 0, 0}, 333 {0x5829, 0x26, 0, 0}, {0x582a, 0x24, 0, 0}, {0x582b, 0x22, 0, 0}, 334 {0x582c, 0x24, 0, 0}, {0x582d, 0x24, 0, 0}, {0x582e, 0x06, 0, 0}, 335 {0x582f, 0x22, 0, 0}, {0x5830, 0x40, 0, 0}, {0x5831, 0x42, 0, 0}, 336 {0x5832, 0x24, 0, 0}, {0x5833, 0x26, 0, 0}, {0x5834, 0x24, 0, 0}, 337 {0x5835, 0x22, 0, 0}, {0x5836, 0x22, 0, 0}, {0x5837, 0x26, 0, 0}, 338 {0x5838, 0x44, 0, 0}, {0x5839, 0x24, 0, 0}, {0x583a, 0x26, 0, 0}, 339 {0x583b, 0x28, 0, 0}, {0x583c, 0x42, 0, 0}, {0x583d, 0xce, 0, 0}, 340 {0x5025, 0x00, 0, 0}, {0x3a0f, 0x30, 0, 0}, {0x3a10, 0x28, 0, 0}, 341 {0x3a1b, 0x30, 0, 0}, {0x3a1e, 0x26, 0, 0}, {0x3a11, 0x60, 0, 0}, 342 {0x3a1f, 0x14, 0, 0}, {0x3008, 0x02, 0, 0}, {0x3c00, 0x04, 0, 300}, 343 }; 344 345 static const struct reg_value ov5640_setting_30fps_VGA_640_480[] = { 346 {0x3035, 0x14, 0, 0}, {0x3036, 0x38, 0, 0}, {0x3c07, 0x08, 0, 0}, 347 {0x3c09, 0x1c, 0, 0}, {0x3c0a, 0x9c, 0, 0}, {0x3c0b, 0x40, 0, 0}, 348 {0x3814, 0x31, 0, 0}, 349 {0x3815, 0x31, 0, 0}, {0x3800, 0x00, 0, 0}, {0x3801, 0x00, 0, 0}, 350 {0x3802, 0x00, 0, 0}, {0x3803, 0x04, 0, 0}, {0x3804, 0x0a, 0, 0}, 351 {0x3805, 0x3f, 0, 0}, {0x3806, 0x07, 0, 0}, {0x3807, 0x9b, 0, 0}, 352 {0x3810, 0x00, 0, 0}, 353 {0x3811, 0x10, 0, 0}, {0x3812, 0x00, 0, 0}, {0x3813, 0x06, 0, 0}, 354 {0x3618, 0x00, 0, 0}, {0x3612, 0x29, 0, 0}, {0x3708, 0x64, 0, 0}, 355 {0x3709, 0x52, 0, 0}, {0x370c, 0x03, 0, 0}, {0x3a02, 0x03, 0, 0}, 356 {0x3a03, 0xd8, 0, 0}, {0x3a08, 0x01, 0, 0}, {0x3a09, 0x0e, 0, 0}, 357 {0x3a0a, 0x00, 0, 0}, {0x3a0b, 0xf6, 0, 0}, {0x3a0e, 0x03, 0, 0}, 358 {0x3a0d, 0x04, 0, 0}, {0x3a14, 0x03, 0, 0}, {0x3a15, 0xd8, 0, 0}, 359 {0x4001, 0x02, 0, 0}, {0x4004, 0x02, 0, 0}, {0x4713, 0x03, 0, 0}, 360 {0x4407, 0x04, 0, 0}, {0x460b, 0x35, 0, 0}, {0x460c, 0x22, 0, 0}, 361 {0x3824, 0x02, 0, 0}, {0x5001, 0xa3, 0, 0}, {0x3503, 0x00, 0, 0}, 362 }; 363 364 static const struct reg_value ov5640_setting_15fps_VGA_640_480[] = { 365 {0x3035, 0x22, 0, 0}, {0x3036, 0x38, 0, 0}, {0x3c07, 0x08, 0, 0}, 366 {0x3c09, 0x1c, 0, 0}, {0x3c0a, 0x9c, 0, 0}, {0x3c0b, 0x40, 0, 0}, 367 {0x3814, 0x31, 0, 0}, 368 {0x3815, 0x31, 0, 0}, {0x3800, 0x00, 0, 0}, {0x3801, 0x00, 0, 0}, 369 {0x3802, 0x00, 0, 0}, {0x3803, 0x04, 0, 0}, {0x3804, 0x0a, 0, 0}, 370 {0x3805, 0x3f, 0, 0}, {0x3806, 0x07, 0, 0}, {0x3807, 0x9b, 0, 0}, 371 {0x3810, 0x00, 0, 0}, 372 {0x3811, 0x10, 0, 0}, {0x3812, 0x00, 0, 0}, {0x3813, 0x06, 0, 0}, 373 {0x3618, 0x00, 0, 0}, {0x3612, 0x29, 0, 0}, {0x3708, 0x64, 0, 0}, 374 {0x3709, 0x52, 0, 0}, {0x370c, 0x03, 0, 0}, {0x3a02, 0x03, 0, 0}, 375 {0x3a03, 0xd8, 0, 0}, {0x3a08, 0x01, 0, 0}, {0x3a09, 0x27, 0, 0}, 376 {0x3a0a, 0x00, 0, 0}, {0x3a0b, 0xf6, 0, 0}, {0x3a0e, 0x03, 0, 0}, 377 {0x3a0d, 0x04, 0, 0}, {0x3a14, 0x03, 0, 0}, {0x3a15, 0xd8, 0, 0}, 378 {0x4001, 0x02, 0, 0}, {0x4004, 0x02, 0, 0}, {0x4713, 0x03, 0, 0}, 379 {0x4407, 0x04, 0, 0}, {0x460b, 0x35, 0, 0}, {0x460c, 0x22, 0, 0}, 380 {0x3824, 0x02, 0, 0}, {0x5001, 0xa3, 0, 0}, 381 }; 382 383 static const struct reg_value ov5640_setting_30fps_XGA_1024_768[] = { 384 {0x3035, 0x14, 0, 0}, {0x3036, 0x38, 0, 0}, {0x3c07, 0x08, 0, 0}, 385 {0x3c09, 0x1c, 0, 0}, {0x3c0a, 0x9c, 0, 0}, {0x3c0b, 0x40, 0, 0}, 386 {0x3814, 0x31, 0, 0}, 387 {0x3815, 0x31, 0, 0}, {0x3800, 0x00, 0, 0}, {0x3801, 0x00, 0, 0}, 388 {0x3802, 0x00, 0, 0}, {0x3803, 0x04, 0, 0}, {0x3804, 0x0a, 0, 0}, 389 {0x3805, 0x3f, 0, 0}, {0x3806, 0x07, 0, 0}, {0x3807, 0x9b, 0, 0}, 390 {0x3810, 0x00, 0, 0}, 391 {0x3811, 0x10, 0, 0}, {0x3812, 0x00, 0, 0}, {0x3813, 0x06, 0, 0}, 392 {0x3618, 0x00, 0, 0}, {0x3612, 0x29, 0, 0}, {0x3708, 0x64, 0, 0}, 393 {0x3709, 0x52, 0, 0}, {0x370c, 0x03, 0, 0}, {0x3a02, 0x03, 0, 0}, 394 {0x3a03, 0xd8, 0, 0}, {0x3a08, 0x01, 0, 0}, {0x3a09, 0x0e, 0, 0}, 395 {0x3a0a, 0x00, 0, 0}, {0x3a0b, 0xf6, 0, 0}, {0x3a0e, 0x03, 0, 0}, 396 {0x3a0d, 0x04, 0, 0}, {0x3a14, 0x03, 0, 0}, {0x3a15, 0xd8, 0, 0}, 397 {0x4001, 0x02, 0, 0}, {0x4004, 0x02, 0, 0}, {0x4713, 0x03, 0, 0}, 398 {0x4407, 0x04, 0, 0}, {0x460b, 0x35, 0, 0}, {0x460c, 0x22, 0, 0}, 399 {0x3824, 0x02, 0, 0}, {0x5001, 0xa3, 0, 0}, {0x3503, 0x00, 0, 0}, 400 {0x3035, 0x12, 0, 0}, 401 }; 402 403 static const struct reg_value ov5640_setting_15fps_XGA_1024_768[] = { 404 {0x3035, 0x22, 0, 0}, {0x3036, 0x38, 0, 0}, {0x3c07, 0x08, 0, 0}, 405 {0x3c09, 0x1c, 0, 0}, {0x3c0a, 0x9c, 0, 0}, {0x3c0b, 0x40, 0, 0}, 406 {0x3814, 0x31, 0, 0}, 407 {0x3815, 0x31, 0, 0}, {0x3800, 0x00, 0, 0}, {0x3801, 0x00, 0, 0}, 408 {0x3802, 0x00, 0, 0}, {0x3803, 0x04, 0, 0}, {0x3804, 0x0a, 0, 0}, 409 {0x3805, 0x3f, 0, 0}, {0x3806, 0x07, 0, 0}, {0x3807, 0x9b, 0, 0}, 410 {0x3810, 0x00, 0, 0}, 411 {0x3811, 0x10, 0, 0}, {0x3812, 0x00, 0, 0}, {0x3813, 0x06, 0, 0}, 412 {0x3618, 0x00, 0, 0}, {0x3612, 0x29, 0, 0}, {0x3708, 0x64, 0, 0}, 413 {0x3709, 0x52, 0, 0}, {0x370c, 0x03, 0, 0}, {0x3a02, 0x03, 0, 0}, 414 {0x3a03, 0xd8, 0, 0}, {0x3a08, 0x01, 0, 0}, {0x3a09, 0x27, 0, 0}, 415 {0x3a0a, 0x00, 0, 0}, {0x3a0b, 0xf6, 0, 0}, {0x3a0e, 0x03, 0, 0}, 416 {0x3a0d, 0x04, 0, 0}, {0x3a14, 0x03, 0, 0}, {0x3a15, 0xd8, 0, 0}, 417 {0x4001, 0x02, 0, 0}, {0x4004, 0x02, 0, 0}, {0x4713, 0x03, 0, 0}, 418 {0x4407, 0x04, 0, 0}, {0x460b, 0x35, 0, 0}, {0x460c, 0x22, 0, 0}, 419 {0x3824, 0x02, 0, 0}, {0x5001, 0xa3, 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 {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 {0x3810, 0x00, 0, 0}, 430 {0x3811, 0x10, 0, 0}, {0x3812, 0x00, 0, 0}, {0x3813, 0x06, 0, 0}, 431 {0x3618, 0x00, 0, 0}, {0x3612, 0x29, 0, 0}, {0x3708, 0x64, 0, 0}, 432 {0x3709, 0x52, 0, 0}, {0x370c, 0x03, 0, 0}, {0x3a02, 0x03, 0, 0}, 433 {0x3a03, 0xd8, 0, 0}, {0x3a08, 0x01, 0, 0}, {0x3a09, 0x27, 0, 0}, 434 {0x3a0a, 0x00, 0, 0}, {0x3a0b, 0xf6, 0, 0}, {0x3a0e, 0x03, 0, 0}, 435 {0x3a0d, 0x04, 0, 0}, {0x3a14, 0x03, 0, 0}, {0x3a15, 0xd8, 0, 0}, 436 {0x4001, 0x02, 0, 0}, {0x4004, 0x02, 0, 0}, {0x4713, 0x03, 0, 0}, 437 {0x4407, 0x04, 0, 0}, {0x460b, 0x35, 0, 0}, {0x460c, 0x22, 0, 0}, 438 {0x3824, 0x02, 0, 0}, {0x5001, 0xa3, 0, 0}, 439 }; 440 441 static const struct reg_value ov5640_setting_15fps_QVGA_320_240[] = { 442 {0x3035, 0x22, 0, 0}, {0x3036, 0x38, 0, 0}, {0x3c07, 0x08, 0, 0}, 443 {0x3c09, 0x1c, 0, 0}, {0x3c0a, 0x9c, 0, 0}, {0x3c0b, 0x40, 0, 0}, 444 {0x3814, 0x31, 0, 0}, 445 {0x3815, 0x31, 0, 0}, {0x3800, 0x00, 0, 0}, {0x3801, 0x00, 0, 0}, 446 {0x3802, 0x00, 0, 0}, {0x3803, 0x04, 0, 0}, {0x3804, 0x0a, 0, 0}, 447 {0x3805, 0x3f, 0, 0}, {0x3806, 0x07, 0, 0}, {0x3807, 0x9b, 0, 0}, 448 {0x3810, 0x00, 0, 0}, 449 {0x3811, 0x10, 0, 0}, {0x3812, 0x00, 0, 0}, {0x3813, 0x06, 0, 0}, 450 {0x3618, 0x00, 0, 0}, {0x3612, 0x29, 0, 0}, {0x3708, 0x64, 0, 0}, 451 {0x3709, 0x52, 0, 0}, {0x370c, 0x03, 0, 0}, {0x3a02, 0x03, 0, 0}, 452 {0x3a03, 0xd8, 0, 0}, {0x3a08, 0x01, 0, 0}, {0x3a09, 0x27, 0, 0}, 453 {0x3a0a, 0x00, 0, 0}, {0x3a0b, 0xf6, 0, 0}, {0x3a0e, 0x03, 0, 0}, 454 {0x3a0d, 0x04, 0, 0}, {0x3a14, 0x03, 0, 0}, {0x3a15, 0xd8, 0, 0}, 455 {0x4001, 0x02, 0, 0}, {0x4004, 0x02, 0, 0}, {0x4713, 0x03, 0, 0}, 456 {0x4407, 0x04, 0, 0}, {0x460b, 0x35, 0, 0}, {0x460c, 0x22, 0, 0}, 457 {0x3824, 0x02, 0, 0}, {0x5001, 0xa3, 0, 0}, 458 }; 459 460 static const struct reg_value ov5640_setting_30fps_QCIF_176_144[] = { 461 {0x3035, 0x14, 0, 0}, {0x3036, 0x38, 0, 0}, {0x3c07, 0x08, 0, 0}, 462 {0x3c09, 0x1c, 0, 0}, {0x3c0a, 0x9c, 0, 0}, {0x3c0b, 0x40, 0, 0}, 463 {0x3814, 0x31, 0, 0}, 464 {0x3815, 0x31, 0, 0}, {0x3800, 0x00, 0, 0}, {0x3801, 0x00, 0, 0}, 465 {0x3802, 0x00, 0, 0}, {0x3803, 0x04, 0, 0}, {0x3804, 0x0a, 0, 0}, 466 {0x3805, 0x3f, 0, 0}, {0x3806, 0x07, 0, 0}, {0x3807, 0x9b, 0, 0}, 467 {0x3810, 0x00, 0, 0}, 468 {0x3811, 0x10, 0, 0}, {0x3812, 0x00, 0, 0}, {0x3813, 0x06, 0, 0}, 469 {0x3618, 0x00, 0, 0}, {0x3612, 0x29, 0, 0}, {0x3708, 0x64, 0, 0}, 470 {0x3709, 0x52, 0, 0}, {0x370c, 0x03, 0, 0}, {0x3a02, 0x03, 0, 0}, 471 {0x3a03, 0xd8, 0, 0}, {0x3a08, 0x01, 0, 0}, {0x3a09, 0x27, 0, 0}, 472 {0x3a0a, 0x00, 0, 0}, {0x3a0b, 0xf6, 0, 0}, {0x3a0e, 0x03, 0, 0}, 473 {0x3a0d, 0x04, 0, 0}, {0x3a14, 0x03, 0, 0}, {0x3a15, 0xd8, 0, 0}, 474 {0x4001, 0x02, 0, 0}, {0x4004, 0x02, 0, 0}, {0x4713, 0x03, 0, 0}, 475 {0x4407, 0x04, 0, 0}, {0x460b, 0x35, 0, 0}, {0x460c, 0x22, 0, 0}, 476 {0x3824, 0x02, 0, 0}, {0x5001, 0xa3, 0, 0}, 477 }; 478 479 static const struct reg_value ov5640_setting_15fps_QCIF_176_144[] = { 480 {0x3035, 0x22, 0, 0}, {0x3036, 0x38, 0, 0}, {0x3c07, 0x08, 0, 0}, 481 {0x3c09, 0x1c, 0, 0}, {0x3c0a, 0x9c, 0, 0}, {0x3c0b, 0x40, 0, 0}, 482 {0x3814, 0x31, 0, 0}, 483 {0x3815, 0x31, 0, 0}, {0x3800, 0x00, 0, 0}, {0x3801, 0x00, 0, 0}, 484 {0x3802, 0x00, 0, 0}, {0x3803, 0x04, 0, 0}, {0x3804, 0x0a, 0, 0}, 485 {0x3805, 0x3f, 0, 0}, {0x3806, 0x07, 0, 0}, {0x3807, 0x9b, 0, 0}, 486 {0x3810, 0x00, 0, 0}, 487 {0x3811, 0x10, 0, 0}, {0x3812, 0x00, 0, 0}, {0x3813, 0x06, 0, 0}, 488 {0x3618, 0x00, 0, 0}, {0x3612, 0x29, 0, 0}, {0x3708, 0x64, 0, 0}, 489 {0x3709, 0x52, 0, 0}, {0x370c, 0x03, 0, 0}, {0x3a02, 0x03, 0, 0}, 490 {0x3a03, 0xd8, 0, 0}, {0x3a08, 0x01, 0, 0}, {0x3a09, 0x27, 0, 0}, 491 {0x3a0a, 0x00, 0, 0}, {0x3a0b, 0xf6, 0, 0}, {0x3a0e, 0x03, 0, 0}, 492 {0x3a0d, 0x04, 0, 0}, {0x3a14, 0x03, 0, 0}, {0x3a15, 0xd8, 0, 0}, 493 {0x4001, 0x02, 0, 0}, {0x4004, 0x02, 0, 0}, {0x4713, 0x03, 0, 0}, 494 {0x4407, 0x04, 0, 0}, {0x460b, 0x35, 0, 0}, {0x460c, 0x22, 0, 0}, 495 {0x3824, 0x02, 0, 0}, {0x5001, 0xa3, 0, 0}, 496 }; 497 498 static const struct reg_value ov5640_setting_30fps_NTSC_720_480[] = { 499 {0x3035, 0x12, 0, 0}, {0x3036, 0x38, 0, 0}, {0x3c07, 0x08, 0, 0}, 500 {0x3c09, 0x1c, 0, 0}, {0x3c0a, 0x9c, 0, 0}, {0x3c0b, 0x40, 0, 0}, 501 {0x3814, 0x31, 0, 0}, 502 {0x3815, 0x31, 0, 0}, {0x3800, 0x00, 0, 0}, {0x3801, 0x00, 0, 0}, 503 {0x3802, 0x00, 0, 0}, {0x3803, 0x04, 0, 0}, {0x3804, 0x0a, 0, 0}, 504 {0x3805, 0x3f, 0, 0}, {0x3806, 0x07, 0, 0}, {0x3807, 0x9b, 0, 0}, 505 {0x3810, 0x00, 0, 0}, 506 {0x3811, 0x10, 0, 0}, {0x3812, 0x00, 0, 0}, {0x3813, 0x3c, 0, 0}, 507 {0x3618, 0x00, 0, 0}, {0x3612, 0x29, 0, 0}, {0x3708, 0x64, 0, 0}, 508 {0x3709, 0x52, 0, 0}, {0x370c, 0x03, 0, 0}, {0x3a02, 0x03, 0, 0}, 509 {0x3a03, 0xd8, 0, 0}, {0x3a08, 0x01, 0, 0}, {0x3a09, 0x27, 0, 0}, 510 {0x3a0a, 0x00, 0, 0}, {0x3a0b, 0xf6, 0, 0}, {0x3a0e, 0x03, 0, 0}, 511 {0x3a0d, 0x04, 0, 0}, {0x3a14, 0x03, 0, 0}, {0x3a15, 0xd8, 0, 0}, 512 {0x4001, 0x02, 0, 0}, {0x4004, 0x02, 0, 0}, {0x4713, 0x03, 0, 0}, 513 {0x4407, 0x04, 0, 0}, {0x460b, 0x35, 0, 0}, {0x460c, 0x22, 0, 0}, 514 {0x3824, 0x02, 0, 0}, {0x5001, 0xa3, 0, 0}, 515 }; 516 517 static const struct reg_value ov5640_setting_15fps_NTSC_720_480[] = { 518 {0x3035, 0x22, 0, 0}, {0x3036, 0x38, 0, 0}, {0x3c07, 0x08, 0, 0}, 519 {0x3c09, 0x1c, 0, 0}, {0x3c0a, 0x9c, 0, 0}, {0x3c0b, 0x40, 0, 0}, 520 {0x3814, 0x31, 0, 0}, 521 {0x3815, 0x31, 0, 0}, {0x3800, 0x00, 0, 0}, {0x3801, 0x00, 0, 0}, 522 {0x3802, 0x00, 0, 0}, {0x3803, 0x04, 0, 0}, {0x3804, 0x0a, 0, 0}, 523 {0x3805, 0x3f, 0, 0}, {0x3806, 0x07, 0, 0}, {0x3807, 0x9b, 0, 0}, 524 {0x3810, 0x00, 0, 0}, 525 {0x3811, 0x10, 0, 0}, {0x3812, 0x00, 0, 0}, {0x3813, 0x3c, 0, 0}, 526 {0x3618, 0x00, 0, 0}, {0x3612, 0x29, 0, 0}, {0x3708, 0x64, 0, 0}, 527 {0x3709, 0x52, 0, 0}, {0x370c, 0x03, 0, 0}, {0x3a02, 0x03, 0, 0}, 528 {0x3a03, 0xd8, 0, 0}, {0x3a08, 0x01, 0, 0}, {0x3a09, 0x27, 0, 0}, 529 {0x3a0a, 0x00, 0, 0}, {0x3a0b, 0xf6, 0, 0}, {0x3a0e, 0x03, 0, 0}, 530 {0x3a0d, 0x04, 0, 0}, {0x3a14, 0x03, 0, 0}, {0x3a15, 0xd8, 0, 0}, 531 {0x4001, 0x02, 0, 0}, {0x4004, 0x02, 0, 0}, {0x4713, 0x03, 0, 0}, 532 {0x4407, 0x04, 0, 0}, {0x460b, 0x35, 0, 0}, {0x460c, 0x22, 0, 0}, 533 {0x3824, 0x02, 0, 0}, {0x5001, 0xa3, 0, 0}, 534 }; 535 536 static const struct reg_value ov5640_setting_30fps_PAL_720_576[] = { 537 {0x3035, 0x12, 0, 0}, {0x3036, 0x38, 0, 0}, {0x3c07, 0x08, 0, 0}, 538 {0x3c09, 0x1c, 0, 0}, {0x3c0a, 0x9c, 0, 0}, {0x3c0b, 0x40, 0, 0}, 539 {0x3814, 0x31, 0, 0}, 540 {0x3815, 0x31, 0, 0}, {0x3800, 0x00, 0, 0}, {0x3801, 0x00, 0, 0}, 541 {0x3802, 0x00, 0, 0}, {0x3803, 0x04, 0, 0}, {0x3804, 0x0a, 0, 0}, 542 {0x3805, 0x3f, 0, 0}, {0x3806, 0x07, 0, 0}, {0x3807, 0x9b, 0, 0}, 543 {0x3810, 0x00, 0, 0}, 544 {0x3811, 0x38, 0, 0}, {0x3812, 0x00, 0, 0}, {0x3813, 0x06, 0, 0}, 545 {0x3618, 0x00, 0, 0}, {0x3612, 0x29, 0, 0}, {0x3708, 0x64, 0, 0}, 546 {0x3709, 0x52, 0, 0}, {0x370c, 0x03, 0, 0}, {0x3a02, 0x03, 0, 0}, 547 {0x3a03, 0xd8, 0, 0}, {0x3a08, 0x01, 0, 0}, {0x3a09, 0x27, 0, 0}, 548 {0x3a0a, 0x00, 0, 0}, {0x3a0b, 0xf6, 0, 0}, {0x3a0e, 0x03, 0, 0}, 549 {0x3a0d, 0x04, 0, 0}, {0x3a14, 0x03, 0, 0}, {0x3a15, 0xd8, 0, 0}, 550 {0x4001, 0x02, 0, 0}, {0x4004, 0x02, 0, 0}, {0x4713, 0x03, 0, 0}, 551 {0x4407, 0x04, 0, 0}, {0x460b, 0x35, 0, 0}, {0x460c, 0x22, 0, 0}, 552 {0x3824, 0x02, 0, 0}, {0x5001, 0xa3, 0, 0}, 553 }; 554 555 static const struct reg_value ov5640_setting_15fps_PAL_720_576[] = { 556 {0x3035, 0x22, 0, 0}, {0x3036, 0x38, 0, 0}, {0x3c07, 0x08, 0, 0}, 557 {0x3c09, 0x1c, 0, 0}, {0x3c0a, 0x9c, 0, 0}, {0x3c0b, 0x40, 0, 0}, 558 {0x3814, 0x31, 0, 0}, 559 {0x3815, 0x31, 0, 0}, {0x3800, 0x00, 0, 0}, {0x3801, 0x00, 0, 0}, 560 {0x3802, 0x00, 0, 0}, {0x3803, 0x04, 0, 0}, {0x3804, 0x0a, 0, 0}, 561 {0x3805, 0x3f, 0, 0}, {0x3806, 0x07, 0, 0}, {0x3807, 0x9b, 0, 0}, 562 {0x3810, 0x00, 0, 0}, 563 {0x3811, 0x38, 0, 0}, {0x3812, 0x00, 0, 0}, {0x3813, 0x06, 0, 0}, 564 {0x3618, 0x00, 0, 0}, {0x3612, 0x29, 0, 0}, {0x3708, 0x64, 0, 0}, 565 {0x3709, 0x52, 0, 0}, {0x370c, 0x03, 0, 0}, {0x3a02, 0x03, 0, 0}, 566 {0x3a03, 0xd8, 0, 0}, {0x3a08, 0x01, 0, 0}, {0x3a09, 0x27, 0, 0}, 567 {0x3a0a, 0x00, 0, 0}, {0x3a0b, 0xf6, 0, 0}, {0x3a0e, 0x03, 0, 0}, 568 {0x3a0d, 0x04, 0, 0}, {0x3a14, 0x03, 0, 0}, {0x3a15, 0xd8, 0, 0}, 569 {0x4001, 0x02, 0, 0}, {0x4004, 0x02, 0, 0}, {0x4713, 0x03, 0, 0}, 570 {0x4407, 0x04, 0, 0}, {0x460b, 0x35, 0, 0}, {0x460c, 0x22, 0, 0}, 571 {0x3824, 0x02, 0, 0}, {0x5001, 0xa3, 0, 0}, 572 }; 573 574 static const struct reg_value ov5640_setting_30fps_720P_1280_720[] = { 575 {0x3008, 0x42, 0, 0}, 576 {0x3035, 0x21, 0, 0}, {0x3036, 0x54, 0, 0}, {0x3c07, 0x07, 0, 0}, 577 {0x3c09, 0x1c, 0, 0}, {0x3c0a, 0x9c, 0, 0}, {0x3c0b, 0x40, 0, 0}, 578 {0x3814, 0x31, 0, 0}, 579 {0x3815, 0x31, 0, 0}, {0x3800, 0x00, 0, 0}, {0x3801, 0x00, 0, 0}, 580 {0x3802, 0x00, 0, 0}, {0x3803, 0xfa, 0, 0}, {0x3804, 0x0a, 0, 0}, 581 {0x3805, 0x3f, 0, 0}, {0x3806, 0x06, 0, 0}, {0x3807, 0xa9, 0, 0}, 582 {0x3810, 0x00, 0, 0}, 583 {0x3811, 0x10, 0, 0}, {0x3812, 0x00, 0, 0}, {0x3813, 0x04, 0, 0}, 584 {0x3618, 0x00, 0, 0}, {0x3612, 0x29, 0, 0}, {0x3708, 0x64, 0, 0}, 585 {0x3709, 0x52, 0, 0}, {0x370c, 0x03, 0, 0}, {0x3a02, 0x02, 0, 0}, 586 {0x3a03, 0xe4, 0, 0}, {0x3a08, 0x01, 0, 0}, {0x3a09, 0xbc, 0, 0}, 587 {0x3a0a, 0x01, 0, 0}, {0x3a0b, 0x72, 0, 0}, {0x3a0e, 0x01, 0, 0}, 588 {0x3a0d, 0x02, 0, 0}, {0x3a14, 0x02, 0, 0}, {0x3a15, 0xe4, 0, 0}, 589 {0x4001, 0x02, 0, 0}, {0x4004, 0x02, 0, 0}, {0x4713, 0x02, 0, 0}, 590 {0x4407, 0x04, 0, 0}, {0x460b, 0x37, 0, 0}, {0x460c, 0x20, 0, 0}, 591 {0x3824, 0x04, 0, 0}, {0x5001, 0x83, 0, 0}, {0x4005, 0x1a, 0, 0}, 592 {0x3008, 0x02, 0, 0}, {0x3503, 0, 0, 0}, 593 }; 594 595 static const struct reg_value ov5640_setting_15fps_720P_1280_720[] = { 596 {0x3035, 0x41, 0, 0}, {0x3036, 0x54, 0, 0}, {0x3c07, 0x07, 0, 0}, 597 {0x3c09, 0x1c, 0, 0}, {0x3c0a, 0x9c, 0, 0}, {0x3c0b, 0x40, 0, 0}, 598 {0x3814, 0x31, 0, 0}, 599 {0x3815, 0x31, 0, 0}, {0x3800, 0x00, 0, 0}, {0x3801, 0x00, 0, 0}, 600 {0x3802, 0x00, 0, 0}, {0x3803, 0xfa, 0, 0}, {0x3804, 0x0a, 0, 0}, 601 {0x3805, 0x3f, 0, 0}, {0x3806, 0x06, 0, 0}, {0x3807, 0xa9, 0, 0}, 602 {0x3810, 0x00, 0, 0}, 603 {0x3811, 0x10, 0, 0}, {0x3812, 0x00, 0, 0}, {0x3813, 0x04, 0, 0}, 604 {0x3618, 0x00, 0, 0}, {0x3612, 0x29, 0, 0}, {0x3708, 0x64, 0, 0}, 605 {0x3709, 0x52, 0, 0}, {0x370c, 0x03, 0, 0}, {0x3a02, 0x02, 0, 0}, 606 {0x3a03, 0xe4, 0, 0}, {0x3a08, 0x01, 0, 0}, {0x3a09, 0xbc, 0, 0}, 607 {0x3a0a, 0x01, 0, 0}, {0x3a0b, 0x72, 0, 0}, {0x3a0e, 0x01, 0, 0}, 608 {0x3a0d, 0x02, 0, 0}, {0x3a14, 0x02, 0, 0}, {0x3a15, 0xe4, 0, 0}, 609 {0x4001, 0x02, 0, 0}, {0x4004, 0x02, 0, 0}, {0x4713, 0x02, 0, 0}, 610 {0x4407, 0x04, 0, 0}, {0x460b, 0x37, 0, 0}, {0x460c, 0x20, 0, 0}, 611 {0x3824, 0x04, 0, 0}, {0x5001, 0x83, 0, 0}, 612 }; 613 614 static const struct reg_value ov5640_setting_30fps_1080P_1920_1080[] = { 615 {0x3008, 0x42, 0, 0}, 616 {0x3035, 0x21, 0, 0}, {0x3036, 0x54, 0, 0}, {0x3c07, 0x08, 0, 0}, 617 {0x3c09, 0x1c, 0, 0}, {0x3c0a, 0x9c, 0, 0}, {0x3c0b, 0x40, 0, 0}, 618 {0x3814, 0x11, 0, 0}, 619 {0x3815, 0x11, 0, 0}, {0x3800, 0x00, 0, 0}, {0x3801, 0x00, 0, 0}, 620 {0x3802, 0x00, 0, 0}, {0x3803, 0x00, 0, 0}, {0x3804, 0x0a, 0, 0}, 621 {0x3805, 0x3f, 0, 0}, {0x3806, 0x07, 0, 0}, {0x3807, 0x9f, 0, 0}, 622 {0x3810, 0x00, 0, 0}, 623 {0x3811, 0x10, 0, 0}, {0x3812, 0x00, 0, 0}, {0x3813, 0x04, 0, 0}, 624 {0x3618, 0x04, 0, 0}, {0x3612, 0x29, 0, 0}, {0x3708, 0x21, 0, 0}, 625 {0x3709, 0x12, 0, 0}, {0x370c, 0x00, 0, 0}, {0x3a02, 0x03, 0, 0}, 626 {0x3a03, 0xd8, 0, 0}, {0x3a08, 0x01, 0, 0}, {0x3a09, 0x27, 0, 0}, 627 {0x3a0a, 0x00, 0, 0}, {0x3a0b, 0xf6, 0, 0}, {0x3a0e, 0x03, 0, 0}, 628 {0x3a0d, 0x04, 0, 0}, {0x3a14, 0x03, 0, 0}, {0x3a15, 0xd8, 0, 0}, 629 {0x4001, 0x02, 0, 0}, {0x4004, 0x06, 0, 0}, {0x4713, 0x03, 0, 0}, 630 {0x4407, 0x04, 0, 0}, {0x460b, 0x35, 0, 0}, {0x460c, 0x22, 0, 0}, 631 {0x3824, 0x02, 0, 0}, {0x5001, 0x83, 0, 0}, {0x3035, 0x11, 0, 0}, 632 {0x3036, 0x54, 0, 0}, {0x3c07, 0x07, 0, 0}, {0x3c08, 0x00, 0, 0}, 633 {0x3c09, 0x1c, 0, 0}, {0x3c0a, 0x9c, 0, 0}, {0x3c0b, 0x40, 0, 0}, 634 {0x3800, 0x01, 0, 0}, {0x3801, 0x50, 0, 0}, {0x3802, 0x01, 0, 0}, 635 {0x3803, 0xb2, 0, 0}, {0x3804, 0x08, 0, 0}, {0x3805, 0xef, 0, 0}, 636 {0x3806, 0x05, 0, 0}, {0x3807, 0xf1, 0, 0}, 637 {0x3612, 0x2b, 0, 0}, {0x3708, 0x64, 0, 0}, 638 {0x3a02, 0x04, 0, 0}, {0x3a03, 0x60, 0, 0}, {0x3a08, 0x01, 0, 0}, 639 {0x3a09, 0x50, 0, 0}, {0x3a0a, 0x01, 0, 0}, {0x3a0b, 0x18, 0, 0}, 640 {0x3a0e, 0x03, 0, 0}, {0x3a0d, 0x04, 0, 0}, {0x3a14, 0x04, 0, 0}, 641 {0x3a15, 0x60, 0, 0}, {0x4713, 0x02, 0, 0}, {0x4407, 0x04, 0, 0}, 642 {0x460b, 0x37, 0, 0}, {0x460c, 0x20, 0, 0}, {0x3824, 0x04, 0, 0}, 643 {0x4005, 0x1a, 0, 0}, {0x3008, 0x02, 0, 0}, 644 {0x3503, 0, 0, 0}, 645 }; 646 647 static const struct reg_value ov5640_setting_15fps_1080P_1920_1080[] = { 648 {0x3008, 0x42, 0, 0}, 649 {0x3035, 0x21, 0, 0}, {0x3036, 0x54, 0, 0}, {0x3c07, 0x08, 0, 0}, 650 {0x3c09, 0x1c, 0, 0}, {0x3c0a, 0x9c, 0, 0}, {0x3c0b, 0x40, 0, 0}, 651 {0x3814, 0x11, 0, 0}, 652 {0x3815, 0x11, 0, 0}, {0x3800, 0x00, 0, 0}, {0x3801, 0x00, 0, 0}, 653 {0x3802, 0x00, 0, 0}, {0x3803, 0x00, 0, 0}, {0x3804, 0x0a, 0, 0}, 654 {0x3805, 0x3f, 0, 0}, {0x3806, 0x07, 0, 0}, {0x3807, 0x9f, 0, 0}, 655 {0x3810, 0x00, 0, 0}, 656 {0x3811, 0x10, 0, 0}, {0x3812, 0x00, 0, 0}, {0x3813, 0x04, 0, 0}, 657 {0x3618, 0x04, 0, 0}, {0x3612, 0x29, 0, 0}, {0x3708, 0x21, 0, 0}, 658 {0x3709, 0x12, 0, 0}, {0x370c, 0x00, 0, 0}, {0x3a02, 0x03, 0, 0}, 659 {0x3a03, 0xd8, 0, 0}, {0x3a08, 0x01, 0, 0}, {0x3a09, 0x27, 0, 0}, 660 {0x3a0a, 0x00, 0, 0}, {0x3a0b, 0xf6, 0, 0}, {0x3a0e, 0x03, 0, 0}, 661 {0x3a0d, 0x04, 0, 0}, {0x3a14, 0x03, 0, 0}, {0x3a15, 0xd8, 0, 0}, 662 {0x4001, 0x02, 0, 0}, {0x4004, 0x06, 0, 0}, {0x4713, 0x03, 0, 0}, 663 {0x4407, 0x04, 0, 0}, {0x460b, 0x35, 0, 0}, {0x460c, 0x22, 0, 0}, 664 {0x3824, 0x02, 0, 0}, {0x5001, 0x83, 0, 0}, {0x3035, 0x21, 0, 0}, 665 {0x3036, 0x54, 0, 1}, {0x3c07, 0x07, 0, 0}, {0x3c08, 0x00, 0, 0}, 666 {0x3c09, 0x1c, 0, 0}, {0x3c0a, 0x9c, 0, 0}, {0x3c0b, 0x40, 0, 0}, 667 {0x3800, 0x01, 0, 0}, {0x3801, 0x50, 0, 0}, {0x3802, 0x01, 0, 0}, 668 {0x3803, 0xb2, 0, 0}, {0x3804, 0x08, 0, 0}, {0x3805, 0xef, 0, 0}, 669 {0x3806, 0x05, 0, 0}, {0x3807, 0xf1, 0, 0}, 670 {0x3612, 0x2b, 0, 0}, {0x3708, 0x64, 0, 0}, 671 {0x3a02, 0x04, 0, 0}, {0x3a03, 0x60, 0, 0}, {0x3a08, 0x01, 0, 0}, 672 {0x3a09, 0x50, 0, 0}, {0x3a0a, 0x01, 0, 0}, {0x3a0b, 0x18, 0, 0}, 673 {0x3a0e, 0x03, 0, 0}, {0x3a0d, 0x04, 0, 0}, {0x3a14, 0x04, 0, 0}, 674 {0x3a15, 0x60, 0, 0}, {0x4713, 0x02, 0, 0}, {0x4407, 0x04, 0, 0}, 675 {0x460b, 0x37, 0, 0}, {0x460c, 0x20, 0, 0}, {0x3824, 0x04, 0, 0}, 676 {0x4005, 0x1a, 0, 0}, {0x3008, 0x02, 0, 0}, {0x3503, 0, 0, 0}, 677 }; 678 679 static const struct reg_value ov5640_setting_15fps_QSXGA_2592_1944[] = { 680 {0x3035, 0x21, 0, 0}, {0x3036, 0x54, 0, 0}, {0x3c07, 0x08, 0, 0}, 681 {0x3c09, 0x1c, 0, 0}, {0x3c0a, 0x9c, 0, 0}, {0x3c0b, 0x40, 0, 0}, 682 {0x3814, 0x11, 0, 0}, 683 {0x3815, 0x11, 0, 0}, {0x3800, 0x00, 0, 0}, {0x3801, 0x00, 0, 0}, 684 {0x3802, 0x00, 0, 0}, {0x3803, 0x00, 0, 0}, {0x3804, 0x0a, 0, 0}, 685 {0x3805, 0x3f, 0, 0}, {0x3806, 0x07, 0, 0}, {0x3807, 0x9f, 0, 0}, 686 {0x3810, 0x00, 0, 0}, 687 {0x3811, 0x10, 0, 0}, {0x3812, 0x00, 0, 0}, {0x3813, 0x04, 0, 0}, 688 {0x3618, 0x04, 0, 0}, {0x3612, 0x29, 0, 0}, {0x3708, 0x21, 0, 0}, 689 {0x3709, 0x12, 0, 0}, {0x370c, 0x00, 0, 0}, {0x3a02, 0x03, 0, 0}, 690 {0x3a03, 0xd8, 0, 0}, {0x3a08, 0x01, 0, 0}, {0x3a09, 0x27, 0, 0}, 691 {0x3a0a, 0x00, 0, 0}, {0x3a0b, 0xf6, 0, 0}, {0x3a0e, 0x03, 0, 0}, 692 {0x3a0d, 0x04, 0, 0}, {0x3a14, 0x03, 0, 0}, {0x3a15, 0xd8, 0, 0}, 693 {0x4001, 0x02, 0, 0}, {0x4004, 0x06, 0, 0}, {0x4713, 0x03, 0, 0}, 694 {0x4407, 0x04, 0, 0}, {0x460b, 0x35, 0, 0}, {0x460c, 0x22, 0, 0}, 695 {0x3824, 0x02, 0, 0}, {0x5001, 0x83, 0, 70}, 696 }; 697 698 /* power-on sensor init reg table */ 699 static const struct ov5640_mode_info ov5640_mode_init_data = { 700 0, SUBSAMPLING, 640, 1896, 480, 984, 701 ov5640_init_setting_30fps_VGA, 702 ARRAY_SIZE(ov5640_init_setting_30fps_VGA), 703 }; 704 705 static const struct ov5640_mode_info 706 ov5640_mode_data[OV5640_NUM_FRAMERATES][OV5640_NUM_MODES] = { 707 { 708 {OV5640_MODE_QCIF_176_144, SUBSAMPLING, 709 176, 1896, 144, 984, 710 ov5640_setting_15fps_QCIF_176_144, 711 ARRAY_SIZE(ov5640_setting_15fps_QCIF_176_144)}, 712 {OV5640_MODE_QVGA_320_240, SUBSAMPLING, 713 320, 1896, 240, 984, 714 ov5640_setting_15fps_QVGA_320_240, 715 ARRAY_SIZE(ov5640_setting_15fps_QVGA_320_240)}, 716 {OV5640_MODE_VGA_640_480, SUBSAMPLING, 717 640, 1896, 480, 1080, 718 ov5640_setting_15fps_VGA_640_480, 719 ARRAY_SIZE(ov5640_setting_15fps_VGA_640_480)}, 720 {OV5640_MODE_NTSC_720_480, SUBSAMPLING, 721 720, 1896, 480, 984, 722 ov5640_setting_15fps_NTSC_720_480, 723 ARRAY_SIZE(ov5640_setting_15fps_NTSC_720_480)}, 724 {OV5640_MODE_PAL_720_576, SUBSAMPLING, 725 720, 1896, 576, 984, 726 ov5640_setting_15fps_PAL_720_576, 727 ARRAY_SIZE(ov5640_setting_15fps_PAL_720_576)}, 728 {OV5640_MODE_XGA_1024_768, SUBSAMPLING, 729 1024, 1896, 768, 1080, 730 ov5640_setting_15fps_XGA_1024_768, 731 ARRAY_SIZE(ov5640_setting_15fps_XGA_1024_768)}, 732 {OV5640_MODE_720P_1280_720, SUBSAMPLING, 733 1280, 1892, 720, 740, 734 ov5640_setting_15fps_720P_1280_720, 735 ARRAY_SIZE(ov5640_setting_15fps_720P_1280_720)}, 736 {OV5640_MODE_1080P_1920_1080, SCALING, 737 1920, 2500, 1080, 1120, 738 ov5640_setting_15fps_1080P_1920_1080, 739 ARRAY_SIZE(ov5640_setting_15fps_1080P_1920_1080)}, 740 {OV5640_MODE_QSXGA_2592_1944, SCALING, 741 2592, 2844, 1944, 1968, 742 ov5640_setting_15fps_QSXGA_2592_1944, 743 ARRAY_SIZE(ov5640_setting_15fps_QSXGA_2592_1944)}, 744 }, { 745 {OV5640_MODE_QCIF_176_144, SUBSAMPLING, 746 176, 1896, 144, 984, 747 ov5640_setting_30fps_QCIF_176_144, 748 ARRAY_SIZE(ov5640_setting_30fps_QCIF_176_144)}, 749 {OV5640_MODE_QVGA_320_240, SUBSAMPLING, 750 320, 1896, 240, 984, 751 ov5640_setting_30fps_QVGA_320_240, 752 ARRAY_SIZE(ov5640_setting_30fps_QVGA_320_240)}, 753 {OV5640_MODE_VGA_640_480, SUBSAMPLING, 754 640, 1896, 480, 1080, 755 ov5640_setting_30fps_VGA_640_480, 756 ARRAY_SIZE(ov5640_setting_30fps_VGA_640_480)}, 757 {OV5640_MODE_NTSC_720_480, SUBSAMPLING, 758 720, 1896, 480, 984, 759 ov5640_setting_30fps_NTSC_720_480, 760 ARRAY_SIZE(ov5640_setting_30fps_NTSC_720_480)}, 761 {OV5640_MODE_PAL_720_576, SUBSAMPLING, 762 720, 1896, 576, 984, 763 ov5640_setting_30fps_PAL_720_576, 764 ARRAY_SIZE(ov5640_setting_30fps_PAL_720_576)}, 765 {OV5640_MODE_XGA_1024_768, SUBSAMPLING, 766 1024, 1896, 768, 1080, 767 ov5640_setting_30fps_XGA_1024_768, 768 ARRAY_SIZE(ov5640_setting_30fps_XGA_1024_768)}, 769 {OV5640_MODE_720P_1280_720, SUBSAMPLING, 770 1280, 1892, 720, 740, 771 ov5640_setting_30fps_720P_1280_720, 772 ARRAY_SIZE(ov5640_setting_30fps_720P_1280_720)}, 773 {OV5640_MODE_1080P_1920_1080, SCALING, 774 1920, 2500, 1080, 1120, 775 ov5640_setting_30fps_1080P_1920_1080, 776 ARRAY_SIZE(ov5640_setting_30fps_1080P_1920_1080)}, 777 {OV5640_MODE_QSXGA_2592_1944, -1, 0, 0, 0, 0, NULL, 0}, 778 }, 779 }; 780 781 static int ov5640_init_slave_id(struct ov5640_dev *sensor) 782 { 783 struct i2c_client *client = sensor->i2c_client; 784 struct i2c_msg msg; 785 u8 buf[3]; 786 int ret; 787 788 if (client->addr == OV5640_DEFAULT_SLAVE_ID) 789 return 0; 790 791 buf[0] = OV5640_REG_SLAVE_ID >> 8; 792 buf[1] = OV5640_REG_SLAVE_ID & 0xff; 793 buf[2] = client->addr << 1; 794 795 msg.addr = OV5640_DEFAULT_SLAVE_ID; 796 msg.flags = 0; 797 msg.buf = buf; 798 msg.len = sizeof(buf); 799 800 ret = i2c_transfer(client->adapter, &msg, 1); 801 if (ret < 0) { 802 dev_err(&client->dev, "%s: failed with %d\n", __func__, ret); 803 return ret; 804 } 805 806 return 0; 807 } 808 809 static int ov5640_write_reg(struct ov5640_dev *sensor, u16 reg, u8 val) 810 { 811 struct i2c_client *client = sensor->i2c_client; 812 struct i2c_msg msg; 813 u8 buf[3]; 814 int ret; 815 816 buf[0] = reg >> 8; 817 buf[1] = reg & 0xff; 818 buf[2] = val; 819 820 msg.addr = client->addr; 821 msg.flags = client->flags; 822 msg.buf = buf; 823 msg.len = sizeof(buf); 824 825 ret = i2c_transfer(client->adapter, &msg, 1); 826 if (ret < 0) { 827 dev_err(&client->dev, "%s: error: reg=%x, val=%x\n", 828 __func__, reg, val); 829 return ret; 830 } 831 832 return 0; 833 } 834 835 static int ov5640_read_reg(struct ov5640_dev *sensor, u16 reg, u8 *val) 836 { 837 struct i2c_client *client = sensor->i2c_client; 838 struct i2c_msg msg[2]; 839 u8 buf[2]; 840 int ret; 841 842 buf[0] = reg >> 8; 843 buf[1] = reg & 0xff; 844 845 msg[0].addr = client->addr; 846 msg[0].flags = client->flags; 847 msg[0].buf = buf; 848 msg[0].len = sizeof(buf); 849 850 msg[1].addr = client->addr; 851 msg[1].flags = client->flags | I2C_M_RD; 852 msg[1].buf = buf; 853 msg[1].len = 1; 854 855 ret = i2c_transfer(client->adapter, msg, 2); 856 if (ret < 0) { 857 dev_err(&client->dev, "%s: error: reg=%x\n", 858 __func__, reg); 859 return ret; 860 } 861 862 *val = buf[0]; 863 return 0; 864 } 865 866 static int ov5640_read_reg16(struct ov5640_dev *sensor, u16 reg, u16 *val) 867 { 868 u8 hi, lo; 869 int ret; 870 871 ret = ov5640_read_reg(sensor, reg, &hi); 872 if (ret) 873 return ret; 874 ret = ov5640_read_reg(sensor, reg + 1, &lo); 875 if (ret) 876 return ret; 877 878 *val = ((u16)hi << 8) | (u16)lo; 879 return 0; 880 } 881 882 static int ov5640_write_reg16(struct ov5640_dev *sensor, u16 reg, u16 val) 883 { 884 int ret; 885 886 ret = ov5640_write_reg(sensor, reg, val >> 8); 887 if (ret) 888 return ret; 889 890 return ov5640_write_reg(sensor, reg + 1, val & 0xff); 891 } 892 893 static int ov5640_mod_reg(struct ov5640_dev *sensor, u16 reg, 894 u8 mask, u8 val) 895 { 896 u8 readval; 897 int ret; 898 899 ret = ov5640_read_reg(sensor, reg, &readval); 900 if (ret) 901 return ret; 902 903 readval &= ~mask; 904 val &= mask; 905 val |= readval; 906 907 return ov5640_write_reg(sensor, reg, val); 908 } 909 910 /* download ov5640 settings to sensor through i2c */ 911 static int ov5640_load_regs(struct ov5640_dev *sensor, 912 const struct ov5640_mode_info *mode) 913 { 914 const struct reg_value *regs = mode->reg_data; 915 unsigned int i; 916 u32 delay_ms; 917 u16 reg_addr; 918 u8 mask, val; 919 int ret = 0; 920 921 for (i = 0; i < mode->reg_data_size; ++i, ++regs) { 922 delay_ms = regs->delay_ms; 923 reg_addr = regs->reg_addr; 924 val = regs->val; 925 mask = regs->mask; 926 927 if (mask) 928 ret = ov5640_mod_reg(sensor, reg_addr, mask, val); 929 else 930 ret = ov5640_write_reg(sensor, reg_addr, val); 931 if (ret) 932 break; 933 934 if (delay_ms) 935 usleep_range(1000 * delay_ms, 1000 * delay_ms + 100); 936 } 937 938 return ret; 939 } 940 941 /* read exposure, in number of line periods */ 942 static int ov5640_get_exposure(struct ov5640_dev *sensor) 943 { 944 int exp, ret; 945 u8 temp; 946 947 ret = ov5640_read_reg(sensor, OV5640_REG_AEC_PK_EXPOSURE_HI, &temp); 948 if (ret) 949 return ret; 950 exp = ((int)temp & 0x0f) << 16; 951 ret = ov5640_read_reg(sensor, OV5640_REG_AEC_PK_EXPOSURE_MED, &temp); 952 if (ret) 953 return ret; 954 exp |= ((int)temp << 8); 955 ret = ov5640_read_reg(sensor, OV5640_REG_AEC_PK_EXPOSURE_LO, &temp); 956 if (ret) 957 return ret; 958 exp |= (int)temp; 959 960 return exp >> 4; 961 } 962 963 /* write exposure, given number of line periods */ 964 static int ov5640_set_exposure(struct ov5640_dev *sensor, u32 exposure) 965 { 966 int ret; 967 968 exposure <<= 4; 969 970 ret = ov5640_write_reg(sensor, 971 OV5640_REG_AEC_PK_EXPOSURE_LO, 972 exposure & 0xff); 973 if (ret) 974 return ret; 975 ret = ov5640_write_reg(sensor, 976 OV5640_REG_AEC_PK_EXPOSURE_MED, 977 (exposure >> 8) & 0xff); 978 if (ret) 979 return ret; 980 return ov5640_write_reg(sensor, 981 OV5640_REG_AEC_PK_EXPOSURE_HI, 982 (exposure >> 16) & 0x0f); 983 } 984 985 static int ov5640_get_gain(struct ov5640_dev *sensor) 986 { 987 u16 gain; 988 int ret; 989 990 ret = ov5640_read_reg16(sensor, OV5640_REG_AEC_PK_REAL_GAIN, &gain); 991 if (ret) 992 return ret; 993 994 return gain & 0x3ff; 995 } 996 997 static int ov5640_set_stream_dvp(struct ov5640_dev *sensor, bool on) 998 { 999 int ret; 1000 unsigned int flags = sensor->ep.bus.parallel.flags; 1001 u8 pclk_pol = 0; 1002 u8 hsync_pol = 0; 1003 u8 vsync_pol = 0; 1004 1005 /* 1006 * Note about parallel port configuration. 1007 * 1008 * When configured in parallel mode, the OV5640 will 1009 * output 10 bits data on DVP data lines [9:0]. 1010 * If only 8 bits data are wanted, the 8 bits data lines 1011 * of the camera interface must be physically connected 1012 * on the DVP data lines [9:2]. 1013 * 1014 * Control lines polarity can be configured through 1015 * devicetree endpoint control lines properties. 1016 * If no endpoint control lines properties are set, 1017 * polarity will be as below: 1018 * - VSYNC: active high 1019 * - HREF: active low 1020 * - PCLK: active low 1021 */ 1022 1023 if (on) { 1024 /* 1025 * reset MIPI PCLK/SERCLK divider 1026 * 1027 * SC PLL CONTRL1 0 1028 * - [3..0]: MIPI PCLK/SERCLK divider 1029 */ 1030 ret = ov5640_mod_reg(sensor, OV5640_REG_SC_PLL_CTRL1, 0x0f, 0); 1031 if (ret) 1032 return ret; 1033 1034 /* 1035 * configure parallel port control lines polarity 1036 * 1037 * POLARITY CTRL0 1038 * - [5]: PCLK polarity (0: active low, 1: active high) 1039 * - [1]: HREF polarity (0: active low, 1: active high) 1040 * - [0]: VSYNC polarity (mismatch here between 1041 * datasheet and hardware, 0 is active high 1042 * and 1 is active low...) 1043 */ 1044 if (flags & V4L2_MBUS_PCLK_SAMPLE_RISING) 1045 pclk_pol = 1; 1046 if (flags & V4L2_MBUS_HSYNC_ACTIVE_HIGH) 1047 hsync_pol = 1; 1048 if (flags & V4L2_MBUS_VSYNC_ACTIVE_LOW) 1049 vsync_pol = 1; 1050 1051 ret = ov5640_write_reg(sensor, 1052 OV5640_REG_POLARITY_CTRL00, 1053 (pclk_pol << 5) | 1054 (hsync_pol << 1) | 1055 vsync_pol); 1056 1057 if (ret) 1058 return ret; 1059 } 1060 1061 /* 1062 * powerdown MIPI TX/RX PHY & disable MIPI 1063 * 1064 * MIPI CONTROL 00 1065 * 4: PWDN PHY TX 1066 * 3: PWDN PHY RX 1067 * 2: MIPI enable 1068 */ 1069 ret = ov5640_write_reg(sensor, 1070 OV5640_REG_IO_MIPI_CTRL00, on ? 0x18 : 0); 1071 if (ret) 1072 return ret; 1073 1074 /* 1075 * enable VSYNC/HREF/PCLK DVP control lines 1076 * & D[9:6] DVP data lines 1077 * 1078 * PAD OUTPUT ENABLE 01 1079 * - 6: VSYNC output enable 1080 * - 5: HREF output enable 1081 * - 4: PCLK output enable 1082 * - [3:0]: D[9:6] output enable 1083 */ 1084 ret = ov5640_write_reg(sensor, 1085 OV5640_REG_PAD_OUTPUT_ENABLE01, 1086 on ? 0x7f : 0); 1087 if (ret) 1088 return ret; 1089 1090 /* 1091 * enable D[5:0] DVP data lines 1092 * 1093 * PAD OUTPUT ENABLE 02 1094 * - [7:2]: D[5:0] output enable 1095 */ 1096 return ov5640_write_reg(sensor, 1097 OV5640_REG_PAD_OUTPUT_ENABLE02, 1098 on ? 0xfc : 0); 1099 } 1100 1101 static int ov5640_set_stream_mipi(struct ov5640_dev *sensor, bool on) 1102 { 1103 int ret; 1104 1105 ret = ov5640_mod_reg(sensor, OV5640_REG_MIPI_CTRL00, BIT(5), 1106 on ? 0 : BIT(5)); 1107 if (ret) 1108 return ret; 1109 ret = ov5640_write_reg(sensor, OV5640_REG_PAD_OUTPUT00, 1110 on ? 0x00 : 0x70); 1111 if (ret) 1112 return ret; 1113 1114 return ov5640_write_reg(sensor, OV5640_REG_FRAME_CTRL01, 1115 on ? 0x00 : 0x0f); 1116 } 1117 1118 static int ov5640_get_sysclk(struct ov5640_dev *sensor) 1119 { 1120 /* calculate sysclk */ 1121 u32 xvclk = sensor->xclk_freq / 10000; 1122 u32 multiplier, prediv, VCO, sysdiv, pll_rdiv; 1123 u32 sclk_rdiv_map[] = {1, 2, 4, 8}; 1124 u32 bit_div2x = 1, sclk_rdiv, sysclk; 1125 u8 temp1, temp2; 1126 int ret; 1127 1128 ret = ov5640_read_reg(sensor, OV5640_REG_SC_PLL_CTRL0, &temp1); 1129 if (ret) 1130 return ret; 1131 temp2 = temp1 & 0x0f; 1132 if (temp2 == 8 || temp2 == 10) 1133 bit_div2x = temp2 / 2; 1134 1135 ret = ov5640_read_reg(sensor, OV5640_REG_SC_PLL_CTRL1, &temp1); 1136 if (ret) 1137 return ret; 1138 sysdiv = temp1 >> 4; 1139 if (sysdiv == 0) 1140 sysdiv = 16; 1141 1142 ret = ov5640_read_reg(sensor, OV5640_REG_SC_PLL_CTRL2, &temp1); 1143 if (ret) 1144 return ret; 1145 multiplier = temp1; 1146 1147 ret = ov5640_read_reg(sensor, OV5640_REG_SC_PLL_CTRL3, &temp1); 1148 if (ret) 1149 return ret; 1150 prediv = temp1 & 0x0f; 1151 pll_rdiv = ((temp1 >> 4) & 0x01) + 1; 1152 1153 ret = ov5640_read_reg(sensor, OV5640_REG_SYS_ROOT_DIVIDER, &temp1); 1154 if (ret) 1155 return ret; 1156 temp2 = temp1 & 0x03; 1157 sclk_rdiv = sclk_rdiv_map[temp2]; 1158 1159 if (!prediv || !sysdiv || !pll_rdiv || !bit_div2x) 1160 return -EINVAL; 1161 1162 VCO = xvclk * multiplier / prediv; 1163 1164 sysclk = VCO / sysdiv / pll_rdiv * 2 / bit_div2x / sclk_rdiv; 1165 1166 return sysclk; 1167 } 1168 1169 static int ov5640_set_night_mode(struct ov5640_dev *sensor) 1170 { 1171 /* read HTS from register settings */ 1172 u8 mode; 1173 int ret; 1174 1175 ret = ov5640_read_reg(sensor, OV5640_REG_AEC_CTRL00, &mode); 1176 if (ret) 1177 return ret; 1178 mode &= 0xfb; 1179 return ov5640_write_reg(sensor, OV5640_REG_AEC_CTRL00, mode); 1180 } 1181 1182 static int ov5640_get_hts(struct ov5640_dev *sensor) 1183 { 1184 /* read HTS from register settings */ 1185 u16 hts; 1186 int ret; 1187 1188 ret = ov5640_read_reg16(sensor, OV5640_REG_TIMING_HTS, &hts); 1189 if (ret) 1190 return ret; 1191 return hts; 1192 } 1193 1194 static int ov5640_get_vts(struct ov5640_dev *sensor) 1195 { 1196 u16 vts; 1197 int ret; 1198 1199 ret = ov5640_read_reg16(sensor, OV5640_REG_TIMING_VTS, &vts); 1200 if (ret) 1201 return ret; 1202 return vts; 1203 } 1204 1205 static int ov5640_set_vts(struct ov5640_dev *sensor, int vts) 1206 { 1207 return ov5640_write_reg16(sensor, OV5640_REG_TIMING_VTS, vts); 1208 } 1209 1210 static int ov5640_get_light_freq(struct ov5640_dev *sensor) 1211 { 1212 /* get banding filter value */ 1213 int ret, light_freq = 0; 1214 u8 temp, temp1; 1215 1216 ret = ov5640_read_reg(sensor, OV5640_REG_HZ5060_CTRL01, &temp); 1217 if (ret) 1218 return ret; 1219 1220 if (temp & 0x80) { 1221 /* manual */ 1222 ret = ov5640_read_reg(sensor, OV5640_REG_HZ5060_CTRL00, 1223 &temp1); 1224 if (ret) 1225 return ret; 1226 if (temp1 & 0x04) { 1227 /* 50Hz */ 1228 light_freq = 50; 1229 } else { 1230 /* 60Hz */ 1231 light_freq = 60; 1232 } 1233 } else { 1234 /* auto */ 1235 ret = ov5640_read_reg(sensor, OV5640_REG_SIGMADELTA_CTRL0C, 1236 &temp1); 1237 if (ret) 1238 return ret; 1239 1240 if (temp1 & 0x01) { 1241 /* 50Hz */ 1242 light_freq = 50; 1243 } else { 1244 /* 60Hz */ 1245 } 1246 } 1247 1248 return light_freq; 1249 } 1250 1251 static int ov5640_set_bandingfilter(struct ov5640_dev *sensor) 1252 { 1253 u32 band_step60, max_band60, band_step50, max_band50, prev_vts; 1254 int ret; 1255 1256 /* read preview PCLK */ 1257 ret = ov5640_get_sysclk(sensor); 1258 if (ret < 0) 1259 return ret; 1260 if (ret == 0) 1261 return -EINVAL; 1262 sensor->prev_sysclk = ret; 1263 /* read preview HTS */ 1264 ret = ov5640_get_hts(sensor); 1265 if (ret < 0) 1266 return ret; 1267 if (ret == 0) 1268 return -EINVAL; 1269 sensor->prev_hts = ret; 1270 1271 /* read preview VTS */ 1272 ret = ov5640_get_vts(sensor); 1273 if (ret < 0) 1274 return ret; 1275 prev_vts = ret; 1276 1277 /* calculate banding filter */ 1278 /* 60Hz */ 1279 band_step60 = sensor->prev_sysclk * 100 / sensor->prev_hts * 100 / 120; 1280 ret = ov5640_write_reg16(sensor, OV5640_REG_AEC_B60_STEP, band_step60); 1281 if (ret) 1282 return ret; 1283 if (!band_step60) 1284 return -EINVAL; 1285 max_band60 = (int)((prev_vts - 4) / band_step60); 1286 ret = ov5640_write_reg(sensor, OV5640_REG_AEC_CTRL0D, max_band60); 1287 if (ret) 1288 return ret; 1289 1290 /* 50Hz */ 1291 band_step50 = sensor->prev_sysclk * 100 / sensor->prev_hts; 1292 ret = ov5640_write_reg16(sensor, OV5640_REG_AEC_B50_STEP, band_step50); 1293 if (ret) 1294 return ret; 1295 if (!band_step50) 1296 return -EINVAL; 1297 max_band50 = (int)((prev_vts - 4) / band_step50); 1298 return ov5640_write_reg(sensor, OV5640_REG_AEC_CTRL0E, max_band50); 1299 } 1300 1301 static int ov5640_set_ae_target(struct ov5640_dev *sensor, int target) 1302 { 1303 /* stable in high */ 1304 u32 fast_high, fast_low; 1305 int ret; 1306 1307 sensor->ae_low = target * 23 / 25; /* 0.92 */ 1308 sensor->ae_high = target * 27 / 25; /* 1.08 */ 1309 1310 fast_high = sensor->ae_high << 1; 1311 if (fast_high > 255) 1312 fast_high = 255; 1313 1314 fast_low = sensor->ae_low >> 1; 1315 1316 ret = ov5640_write_reg(sensor, OV5640_REG_AEC_CTRL0F, sensor->ae_high); 1317 if (ret) 1318 return ret; 1319 ret = ov5640_write_reg(sensor, OV5640_REG_AEC_CTRL10, sensor->ae_low); 1320 if (ret) 1321 return ret; 1322 ret = ov5640_write_reg(sensor, OV5640_REG_AEC_CTRL1B, sensor->ae_high); 1323 if (ret) 1324 return ret; 1325 ret = ov5640_write_reg(sensor, OV5640_REG_AEC_CTRL1E, sensor->ae_low); 1326 if (ret) 1327 return ret; 1328 ret = ov5640_write_reg(sensor, OV5640_REG_AEC_CTRL11, fast_high); 1329 if (ret) 1330 return ret; 1331 return ov5640_write_reg(sensor, OV5640_REG_AEC_CTRL1F, fast_low); 1332 } 1333 1334 static int ov5640_binning_on(struct ov5640_dev *sensor) 1335 { 1336 u8 temp; 1337 int ret; 1338 1339 ret = ov5640_read_reg(sensor, OV5640_REG_TIMING_TC_REG21, &temp); 1340 if (ret) 1341 return ret; 1342 temp &= 0xfe; 1343 return temp ? 1 : 0; 1344 } 1345 1346 static int ov5640_set_binning(struct ov5640_dev *sensor, bool enable) 1347 { 1348 int ret; 1349 1350 /* 1351 * TIMING TC REG21: 1352 * - [0]: Horizontal binning enable 1353 */ 1354 ret = ov5640_mod_reg(sensor, OV5640_REG_TIMING_TC_REG21, 1355 BIT(0), enable ? BIT(0) : 0); 1356 if (ret) 1357 return ret; 1358 /* 1359 * TIMING TC REG20: 1360 * - [0]: Undocumented, but hardcoded init sequences 1361 * are always setting REG21/REG20 bit 0 to same value... 1362 */ 1363 return ov5640_mod_reg(sensor, OV5640_REG_TIMING_TC_REG20, 1364 BIT(0), enable ? BIT(0) : 0); 1365 } 1366 1367 static int ov5640_set_virtual_channel(struct ov5640_dev *sensor) 1368 { 1369 struct i2c_client *client = sensor->i2c_client; 1370 u8 temp, channel = virtual_channel; 1371 int ret; 1372 1373 if (channel > 3) { 1374 dev_err(&client->dev, 1375 "%s: wrong virtual_channel parameter, expected (0..3), got %d\n", 1376 __func__, channel); 1377 return -EINVAL; 1378 } 1379 1380 ret = ov5640_read_reg(sensor, OV5640_REG_DEBUG_MODE, &temp); 1381 if (ret) 1382 return ret; 1383 temp &= ~(3 << 6); 1384 temp |= (channel << 6); 1385 return ov5640_write_reg(sensor, OV5640_REG_DEBUG_MODE, temp); 1386 } 1387 1388 static int ov5640_set_timings(struct ov5640_dev *sensor, 1389 const struct ov5640_mode_info *mode) 1390 { 1391 int ret; 1392 1393 ret = ov5640_write_reg16(sensor, OV5640_REG_TIMING_DVPHO, mode->hact); 1394 if (ret < 0) 1395 return ret; 1396 1397 ret = ov5640_write_reg16(sensor, OV5640_REG_TIMING_DVPVO, mode->vact); 1398 if (ret < 0) 1399 return ret; 1400 1401 ret = ov5640_write_reg16(sensor, OV5640_REG_TIMING_HTS, mode->htot); 1402 if (ret < 0) 1403 return ret; 1404 1405 ret = ov5640_write_reg16(sensor, OV5640_REG_TIMING_VTS, mode->vtot); 1406 if (ret < 0) 1407 return ret; 1408 1409 return 0; 1410 } 1411 1412 static const struct ov5640_mode_info * 1413 ov5640_find_mode(struct ov5640_dev *sensor, enum ov5640_frame_rate fr, 1414 int width, int height, bool nearest) 1415 { 1416 const struct ov5640_mode_info *mode; 1417 1418 mode = v4l2_find_nearest_size(ov5640_mode_data[fr], 1419 ARRAY_SIZE(ov5640_mode_data[fr]), 1420 hact, vact, 1421 width, height); 1422 1423 if (!mode || 1424 (!nearest && (mode->hact != width || mode->vact != height))) 1425 return NULL; 1426 1427 return mode; 1428 } 1429 1430 /* 1431 * sensor changes between scaling and subsampling, go through 1432 * exposure calculation 1433 */ 1434 static int ov5640_set_mode_exposure_calc(struct ov5640_dev *sensor, 1435 const struct ov5640_mode_info *mode) 1436 { 1437 u32 prev_shutter, prev_gain16; 1438 u32 cap_shutter, cap_gain16; 1439 u32 cap_sysclk, cap_hts, cap_vts; 1440 u32 light_freq, cap_bandfilt, cap_maxband; 1441 u32 cap_gain16_shutter; 1442 u8 average; 1443 int ret; 1444 1445 if (!mode->reg_data) 1446 return -EINVAL; 1447 1448 /* read preview shutter */ 1449 ret = ov5640_get_exposure(sensor); 1450 if (ret < 0) 1451 return ret; 1452 prev_shutter = ret; 1453 ret = ov5640_binning_on(sensor); 1454 if (ret < 0) 1455 return ret; 1456 if (ret && mode->id != OV5640_MODE_720P_1280_720 && 1457 mode->id != OV5640_MODE_1080P_1920_1080) 1458 prev_shutter *= 2; 1459 1460 /* read preview gain */ 1461 ret = ov5640_get_gain(sensor); 1462 if (ret < 0) 1463 return ret; 1464 prev_gain16 = ret; 1465 1466 /* get average */ 1467 ret = ov5640_read_reg(sensor, OV5640_REG_AVG_READOUT, &average); 1468 if (ret) 1469 return ret; 1470 1471 /* turn off night mode for capture */ 1472 ret = ov5640_set_night_mode(sensor); 1473 if (ret < 0) 1474 return ret; 1475 1476 /* Write capture setting */ 1477 ret = ov5640_load_regs(sensor, mode); 1478 if (ret < 0) 1479 return ret; 1480 1481 /* read capture VTS */ 1482 ret = ov5640_get_vts(sensor); 1483 if (ret < 0) 1484 return ret; 1485 cap_vts = ret; 1486 ret = ov5640_get_hts(sensor); 1487 if (ret < 0) 1488 return ret; 1489 if (ret == 0) 1490 return -EINVAL; 1491 cap_hts = ret; 1492 1493 ret = ov5640_get_sysclk(sensor); 1494 if (ret < 0) 1495 return ret; 1496 if (ret == 0) 1497 return -EINVAL; 1498 cap_sysclk = ret; 1499 1500 /* calculate capture banding filter */ 1501 ret = ov5640_get_light_freq(sensor); 1502 if (ret < 0) 1503 return ret; 1504 light_freq = ret; 1505 1506 if (light_freq == 60) { 1507 /* 60Hz */ 1508 cap_bandfilt = cap_sysclk * 100 / cap_hts * 100 / 120; 1509 } else { 1510 /* 50Hz */ 1511 cap_bandfilt = cap_sysclk * 100 / cap_hts; 1512 } 1513 1514 if (!sensor->prev_sysclk) { 1515 ret = ov5640_get_sysclk(sensor); 1516 if (ret < 0) 1517 return ret; 1518 if (ret == 0) 1519 return -EINVAL; 1520 sensor->prev_sysclk = ret; 1521 } 1522 1523 if (!cap_bandfilt) 1524 return -EINVAL; 1525 1526 cap_maxband = (int)((cap_vts - 4) / cap_bandfilt); 1527 1528 /* calculate capture shutter/gain16 */ 1529 if (average > sensor->ae_low && average < sensor->ae_high) { 1530 /* in stable range */ 1531 cap_gain16_shutter = 1532 prev_gain16 * prev_shutter * 1533 cap_sysclk / sensor->prev_sysclk * 1534 sensor->prev_hts / cap_hts * 1535 sensor->ae_target / average; 1536 } else { 1537 cap_gain16_shutter = 1538 prev_gain16 * prev_shutter * 1539 cap_sysclk / sensor->prev_sysclk * 1540 sensor->prev_hts / cap_hts; 1541 } 1542 1543 /* gain to shutter */ 1544 if (cap_gain16_shutter < (cap_bandfilt * 16)) { 1545 /* shutter < 1/100 */ 1546 cap_shutter = cap_gain16_shutter / 16; 1547 if (cap_shutter < 1) 1548 cap_shutter = 1; 1549 1550 cap_gain16 = cap_gain16_shutter / cap_shutter; 1551 if (cap_gain16 < 16) 1552 cap_gain16 = 16; 1553 } else { 1554 if (cap_gain16_shutter > (cap_bandfilt * cap_maxband * 16)) { 1555 /* exposure reach max */ 1556 cap_shutter = cap_bandfilt * cap_maxband; 1557 if (!cap_shutter) 1558 return -EINVAL; 1559 1560 cap_gain16 = cap_gain16_shutter / cap_shutter; 1561 } else { 1562 /* 1/100 < (cap_shutter = n/100) =< max */ 1563 cap_shutter = 1564 ((int)(cap_gain16_shutter / 16 / cap_bandfilt)) 1565 * cap_bandfilt; 1566 if (!cap_shutter) 1567 return -EINVAL; 1568 1569 cap_gain16 = cap_gain16_shutter / cap_shutter; 1570 } 1571 } 1572 1573 /* set capture gain */ 1574 ret = __v4l2_ctrl_s_ctrl(sensor->ctrls.gain, cap_gain16); 1575 if (ret) 1576 return ret; 1577 1578 /* write capture shutter */ 1579 if (cap_shutter > (cap_vts - 4)) { 1580 cap_vts = cap_shutter + 4; 1581 ret = ov5640_set_vts(sensor, cap_vts); 1582 if (ret < 0) 1583 return ret; 1584 } 1585 1586 /* set exposure */ 1587 return __v4l2_ctrl_s_ctrl(sensor->ctrls.exposure, cap_shutter); 1588 } 1589 1590 /* 1591 * if sensor changes inside scaling or subsampling 1592 * change mode directly 1593 */ 1594 static int ov5640_set_mode_direct(struct ov5640_dev *sensor, 1595 const struct ov5640_mode_info *mode, 1596 s32 exposure) 1597 { 1598 int ret; 1599 1600 if (!mode->reg_data) 1601 return -EINVAL; 1602 1603 /* Write capture setting */ 1604 ret = ov5640_load_regs(sensor, mode); 1605 if (ret < 0) 1606 return ret; 1607 1608 /* turn auto gain/exposure back on for direct mode */ 1609 ret = __v4l2_ctrl_s_ctrl(sensor->ctrls.auto_gain, 1); 1610 if (ret) 1611 return ret; 1612 1613 return __v4l2_ctrl_s_ctrl(sensor->ctrls.auto_exp, exposure); 1614 } 1615 1616 static int ov5640_set_mode(struct ov5640_dev *sensor, 1617 const struct ov5640_mode_info *orig_mode) 1618 { 1619 const struct ov5640_mode_info *mode = sensor->current_mode; 1620 enum ov5640_downsize_mode dn_mode, orig_dn_mode; 1621 s32 exposure; 1622 int ret; 1623 1624 dn_mode = mode->dn_mode; 1625 orig_dn_mode = orig_mode->dn_mode; 1626 1627 /* auto gain and exposure must be turned off when changing modes */ 1628 ret = __v4l2_ctrl_s_ctrl(sensor->ctrls.auto_gain, 0); 1629 if (ret) 1630 return ret; 1631 1632 exposure = sensor->ctrls.auto_exp->val; 1633 ret = ov5640_set_exposure(sensor, V4L2_EXPOSURE_MANUAL); 1634 if (ret) 1635 return ret; 1636 1637 if ((dn_mode == SUBSAMPLING && orig_dn_mode == SCALING) || 1638 (dn_mode == SCALING && orig_dn_mode == SUBSAMPLING)) { 1639 /* 1640 * change between subsampling and scaling 1641 * go through exposure calucation 1642 */ 1643 ret = ov5640_set_mode_exposure_calc(sensor, mode); 1644 } else { 1645 /* 1646 * change inside subsampling or scaling 1647 * download firmware directly 1648 */ 1649 ret = ov5640_set_mode_direct(sensor, mode, exposure); 1650 } 1651 1652 if (ret < 0) 1653 return ret; 1654 1655 ret = ov5640_set_timings(sensor, mode); 1656 if (ret < 0) 1657 return ret; 1658 1659 ret = ov5640_set_binning(sensor, dn_mode != SCALING); 1660 if (ret < 0) 1661 return ret; 1662 ret = ov5640_set_ae_target(sensor, sensor->ae_target); 1663 if (ret < 0) 1664 return ret; 1665 ret = ov5640_get_light_freq(sensor); 1666 if (ret < 0) 1667 return ret; 1668 ret = ov5640_set_bandingfilter(sensor); 1669 if (ret < 0) 1670 return ret; 1671 ret = ov5640_set_virtual_channel(sensor); 1672 if (ret < 0) 1673 return ret; 1674 1675 sensor->pending_mode_change = false; 1676 1677 return 0; 1678 } 1679 1680 static int ov5640_set_framefmt(struct ov5640_dev *sensor, 1681 struct v4l2_mbus_framefmt *format); 1682 1683 /* restore the last set video mode after chip power-on */ 1684 static int ov5640_restore_mode(struct ov5640_dev *sensor) 1685 { 1686 int ret; 1687 1688 /* first load the initial register values */ 1689 ret = ov5640_load_regs(sensor, &ov5640_mode_init_data); 1690 if (ret < 0) 1691 return ret; 1692 1693 ret = ov5640_mod_reg(sensor, OV5640_REG_SYS_ROOT_DIVIDER, 0x3f, 1694 (ilog2(OV5640_SCLK2X_ROOT_DIVIDER_DEFAULT) << 2) | 1695 ilog2(OV5640_SCLK_ROOT_DIVIDER_DEFAULT)); 1696 if (ret) 1697 return ret; 1698 1699 /* now restore the last capture mode */ 1700 ret = ov5640_set_mode(sensor, &ov5640_mode_init_data); 1701 if (ret < 0) 1702 return ret; 1703 1704 return ov5640_set_framefmt(sensor, &sensor->fmt); 1705 } 1706 1707 static void ov5640_power(struct ov5640_dev *sensor, bool enable) 1708 { 1709 gpiod_set_value_cansleep(sensor->pwdn_gpio, enable ? 0 : 1); 1710 } 1711 1712 static void ov5640_reset(struct ov5640_dev *sensor) 1713 { 1714 if (!sensor->reset_gpio) 1715 return; 1716 1717 gpiod_set_value_cansleep(sensor->reset_gpio, 0); 1718 1719 /* camera power cycle */ 1720 ov5640_power(sensor, false); 1721 usleep_range(5000, 10000); 1722 ov5640_power(sensor, true); 1723 usleep_range(5000, 10000); 1724 1725 gpiod_set_value_cansleep(sensor->reset_gpio, 1); 1726 usleep_range(1000, 2000); 1727 1728 gpiod_set_value_cansleep(sensor->reset_gpio, 0); 1729 usleep_range(5000, 10000); 1730 } 1731 1732 static int ov5640_set_power_on(struct ov5640_dev *sensor) 1733 { 1734 struct i2c_client *client = sensor->i2c_client; 1735 int ret; 1736 1737 ret = clk_prepare_enable(sensor->xclk); 1738 if (ret) { 1739 dev_err(&client->dev, "%s: failed to enable clock\n", 1740 __func__); 1741 return ret; 1742 } 1743 1744 ret = regulator_bulk_enable(OV5640_NUM_SUPPLIES, 1745 sensor->supplies); 1746 if (ret) { 1747 dev_err(&client->dev, "%s: failed to enable regulators\n", 1748 __func__); 1749 goto xclk_off; 1750 } 1751 1752 ov5640_reset(sensor); 1753 ov5640_power(sensor, true); 1754 1755 ret = ov5640_init_slave_id(sensor); 1756 if (ret) 1757 goto power_off; 1758 1759 return 0; 1760 1761 power_off: 1762 ov5640_power(sensor, false); 1763 regulator_bulk_disable(OV5640_NUM_SUPPLIES, sensor->supplies); 1764 xclk_off: 1765 clk_disable_unprepare(sensor->xclk); 1766 return ret; 1767 } 1768 1769 static void ov5640_set_power_off(struct ov5640_dev *sensor) 1770 { 1771 ov5640_power(sensor, false); 1772 regulator_bulk_disable(OV5640_NUM_SUPPLIES, sensor->supplies); 1773 clk_disable_unprepare(sensor->xclk); 1774 } 1775 1776 static int ov5640_set_power(struct ov5640_dev *sensor, bool on) 1777 { 1778 int ret = 0; 1779 1780 if (on) { 1781 ret = ov5640_set_power_on(sensor); 1782 if (ret) 1783 return ret; 1784 1785 ret = ov5640_restore_mode(sensor); 1786 if (ret) 1787 goto power_off; 1788 1789 if (sensor->ep.bus_type == V4L2_MBUS_CSI2) { 1790 /* 1791 * start streaming briefly followed by stream off in 1792 * order to coax the clock lane into LP-11 state. 1793 */ 1794 ret = ov5640_set_stream_mipi(sensor, true); 1795 if (ret) 1796 goto power_off; 1797 usleep_range(1000, 2000); 1798 ret = ov5640_set_stream_mipi(sensor, false); 1799 if (ret) 1800 goto power_off; 1801 } 1802 1803 return 0; 1804 } 1805 1806 power_off: 1807 ov5640_set_power_off(sensor); 1808 return ret; 1809 } 1810 1811 /* --------------- Subdev Operations --------------- */ 1812 1813 static int ov5640_s_power(struct v4l2_subdev *sd, int on) 1814 { 1815 struct ov5640_dev *sensor = to_ov5640_dev(sd); 1816 int ret = 0; 1817 1818 mutex_lock(&sensor->lock); 1819 1820 /* 1821 * If the power count is modified from 0 to != 0 or from != 0 to 0, 1822 * update the power state. 1823 */ 1824 if (sensor->power_count == !on) { 1825 ret = ov5640_set_power(sensor, !!on); 1826 if (ret) 1827 goto out; 1828 } 1829 1830 /* Update the power count. */ 1831 sensor->power_count += on ? 1 : -1; 1832 WARN_ON(sensor->power_count < 0); 1833 out: 1834 mutex_unlock(&sensor->lock); 1835 1836 if (on && !ret && sensor->power_count == 1) { 1837 /* restore controls */ 1838 ret = v4l2_ctrl_handler_setup(&sensor->ctrls.handler); 1839 } 1840 1841 return ret; 1842 } 1843 1844 static int ov5640_try_frame_interval(struct ov5640_dev *sensor, 1845 struct v4l2_fract *fi, 1846 u32 width, u32 height) 1847 { 1848 const struct ov5640_mode_info *mode; 1849 u32 minfps, maxfps, fps; 1850 int ret; 1851 1852 minfps = ov5640_framerates[OV5640_15_FPS]; 1853 maxfps = ov5640_framerates[OV5640_30_FPS]; 1854 1855 if (fi->numerator == 0) { 1856 fi->denominator = maxfps; 1857 fi->numerator = 1; 1858 return OV5640_30_FPS; 1859 } 1860 1861 fps = DIV_ROUND_CLOSEST(fi->denominator, fi->numerator); 1862 1863 fi->numerator = 1; 1864 if (fps > maxfps) 1865 fi->denominator = maxfps; 1866 else if (fps < minfps) 1867 fi->denominator = minfps; 1868 else if (2 * fps >= 2 * minfps + (maxfps - minfps)) 1869 fi->denominator = maxfps; 1870 else 1871 fi->denominator = minfps; 1872 1873 ret = (fi->denominator == minfps) ? OV5640_15_FPS : OV5640_30_FPS; 1874 1875 mode = ov5640_find_mode(sensor, ret, width, height, false); 1876 return mode ? ret : -EINVAL; 1877 } 1878 1879 static int ov5640_get_fmt(struct v4l2_subdev *sd, 1880 struct v4l2_subdev_pad_config *cfg, 1881 struct v4l2_subdev_format *format) 1882 { 1883 struct ov5640_dev *sensor = to_ov5640_dev(sd); 1884 struct v4l2_mbus_framefmt *fmt; 1885 1886 if (format->pad != 0) 1887 return -EINVAL; 1888 1889 mutex_lock(&sensor->lock); 1890 1891 if (format->which == V4L2_SUBDEV_FORMAT_TRY) 1892 fmt = v4l2_subdev_get_try_format(&sensor->sd, cfg, 1893 format->pad); 1894 else 1895 fmt = &sensor->fmt; 1896 1897 format->format = *fmt; 1898 1899 mutex_unlock(&sensor->lock); 1900 1901 return 0; 1902 } 1903 1904 static int ov5640_try_fmt_internal(struct v4l2_subdev *sd, 1905 struct v4l2_mbus_framefmt *fmt, 1906 enum ov5640_frame_rate fr, 1907 const struct ov5640_mode_info **new_mode) 1908 { 1909 struct ov5640_dev *sensor = to_ov5640_dev(sd); 1910 const struct ov5640_mode_info *mode; 1911 int i; 1912 1913 mode = ov5640_find_mode(sensor, fr, fmt->width, fmt->height, true); 1914 if (!mode) 1915 return -EINVAL; 1916 fmt->width = mode->hact; 1917 fmt->height = mode->vact; 1918 1919 if (new_mode) 1920 *new_mode = mode; 1921 1922 for (i = 0; i < ARRAY_SIZE(ov5640_formats); i++) 1923 if (ov5640_formats[i].code == fmt->code) 1924 break; 1925 if (i >= ARRAY_SIZE(ov5640_formats)) 1926 i = 0; 1927 1928 fmt->code = ov5640_formats[i].code; 1929 fmt->colorspace = ov5640_formats[i].colorspace; 1930 fmt->ycbcr_enc = V4L2_MAP_YCBCR_ENC_DEFAULT(fmt->colorspace); 1931 fmt->quantization = V4L2_QUANTIZATION_FULL_RANGE; 1932 fmt->xfer_func = V4L2_MAP_XFER_FUNC_DEFAULT(fmt->colorspace); 1933 1934 return 0; 1935 } 1936 1937 static int ov5640_set_fmt(struct v4l2_subdev *sd, 1938 struct v4l2_subdev_pad_config *cfg, 1939 struct v4l2_subdev_format *format) 1940 { 1941 struct ov5640_dev *sensor = to_ov5640_dev(sd); 1942 const struct ov5640_mode_info *new_mode; 1943 struct v4l2_mbus_framefmt *mbus_fmt = &format->format; 1944 int ret; 1945 1946 if (format->pad != 0) 1947 return -EINVAL; 1948 1949 mutex_lock(&sensor->lock); 1950 1951 if (sensor->streaming) { 1952 ret = -EBUSY; 1953 goto out; 1954 } 1955 1956 ret = ov5640_try_fmt_internal(sd, mbus_fmt, 1957 sensor->current_fr, &new_mode); 1958 if (ret) 1959 goto out; 1960 1961 if (format->which == V4L2_SUBDEV_FORMAT_TRY) { 1962 struct v4l2_mbus_framefmt *fmt = 1963 v4l2_subdev_get_try_format(sd, cfg, 0); 1964 1965 *fmt = *mbus_fmt; 1966 goto out; 1967 } 1968 1969 if (new_mode != sensor->current_mode) { 1970 sensor->current_mode = new_mode; 1971 sensor->fmt = *mbus_fmt; 1972 sensor->pending_mode_change = true; 1973 } 1974 out: 1975 mutex_unlock(&sensor->lock); 1976 return ret; 1977 } 1978 1979 static int ov5640_set_framefmt(struct ov5640_dev *sensor, 1980 struct v4l2_mbus_framefmt *format) 1981 { 1982 int ret = 0; 1983 bool is_rgb = false; 1984 bool is_jpeg = false; 1985 u8 val; 1986 1987 switch (format->code) { 1988 case MEDIA_BUS_FMT_UYVY8_2X8: 1989 /* YUV422, UYVY */ 1990 val = 0x3f; 1991 break; 1992 case MEDIA_BUS_FMT_YUYV8_2X8: 1993 /* YUV422, YUYV */ 1994 val = 0x30; 1995 break; 1996 case MEDIA_BUS_FMT_RGB565_2X8_LE: 1997 /* RGB565 {g[2:0],b[4:0]},{r[4:0],g[5:3]} */ 1998 val = 0x6F; 1999 is_rgb = true; 2000 break; 2001 case MEDIA_BUS_FMT_RGB565_2X8_BE: 2002 /* RGB565 {r[4:0],g[5:3]},{g[2:0],b[4:0]} */ 2003 val = 0x61; 2004 is_rgb = true; 2005 break; 2006 case MEDIA_BUS_FMT_JPEG_1X8: 2007 /* YUV422, YUYV */ 2008 val = 0x30; 2009 is_jpeg = true; 2010 break; 2011 default: 2012 return -EINVAL; 2013 } 2014 2015 /* FORMAT CONTROL00: YUV and RGB formatting */ 2016 ret = ov5640_write_reg(sensor, OV5640_REG_FORMAT_CONTROL00, val); 2017 if (ret) 2018 return ret; 2019 2020 /* FORMAT MUX CONTROL: ISP YUV or RGB */ 2021 ret = ov5640_write_reg(sensor, OV5640_REG_ISP_FORMAT_MUX_CTRL, 2022 is_rgb ? 0x01 : 0x00); 2023 if (ret) 2024 return ret; 2025 2026 /* 2027 * TIMING TC REG21: 2028 * - [5]: JPEG enable 2029 */ 2030 ret = ov5640_mod_reg(sensor, OV5640_REG_TIMING_TC_REG21, 2031 BIT(5), is_jpeg ? BIT(5) : 0); 2032 if (ret) 2033 return ret; 2034 2035 /* 2036 * SYSTEM RESET02: 2037 * - [4]: Reset JFIFO 2038 * - [3]: Reset SFIFO 2039 * - [2]: Reset JPEG 2040 */ 2041 ret = ov5640_mod_reg(sensor, OV5640_REG_SYS_RESET02, 2042 BIT(4) | BIT(3) | BIT(2), 2043 is_jpeg ? 0 : (BIT(4) | BIT(3) | BIT(2))); 2044 if (ret) 2045 return ret; 2046 2047 /* 2048 * CLOCK ENABLE02: 2049 * - [5]: Enable JPEG 2x clock 2050 * - [3]: Enable JPEG clock 2051 */ 2052 return ov5640_mod_reg(sensor, OV5640_REG_SYS_CLOCK_ENABLE02, 2053 BIT(5) | BIT(3), 2054 is_jpeg ? (BIT(5) | BIT(3)) : 0); 2055 } 2056 2057 /* 2058 * Sensor Controls. 2059 */ 2060 2061 static int ov5640_set_ctrl_hue(struct ov5640_dev *sensor, int value) 2062 { 2063 int ret; 2064 2065 if (value) { 2066 ret = ov5640_mod_reg(sensor, OV5640_REG_SDE_CTRL0, 2067 BIT(0), BIT(0)); 2068 if (ret) 2069 return ret; 2070 ret = ov5640_write_reg16(sensor, OV5640_REG_SDE_CTRL1, value); 2071 } else { 2072 ret = ov5640_mod_reg(sensor, OV5640_REG_SDE_CTRL0, BIT(0), 0); 2073 } 2074 2075 return ret; 2076 } 2077 2078 static int ov5640_set_ctrl_contrast(struct ov5640_dev *sensor, int value) 2079 { 2080 int ret; 2081 2082 if (value) { 2083 ret = ov5640_mod_reg(sensor, OV5640_REG_SDE_CTRL0, 2084 BIT(2), BIT(2)); 2085 if (ret) 2086 return ret; 2087 ret = ov5640_write_reg(sensor, OV5640_REG_SDE_CTRL5, 2088 value & 0xff); 2089 } else { 2090 ret = ov5640_mod_reg(sensor, OV5640_REG_SDE_CTRL0, BIT(2), 0); 2091 } 2092 2093 return ret; 2094 } 2095 2096 static int ov5640_set_ctrl_saturation(struct ov5640_dev *sensor, int value) 2097 { 2098 int ret; 2099 2100 if (value) { 2101 ret = ov5640_mod_reg(sensor, OV5640_REG_SDE_CTRL0, 2102 BIT(1), BIT(1)); 2103 if (ret) 2104 return ret; 2105 ret = ov5640_write_reg(sensor, OV5640_REG_SDE_CTRL3, 2106 value & 0xff); 2107 if (ret) 2108 return ret; 2109 ret = ov5640_write_reg(sensor, OV5640_REG_SDE_CTRL4, 2110 value & 0xff); 2111 } else { 2112 ret = ov5640_mod_reg(sensor, OV5640_REG_SDE_CTRL0, BIT(1), 0); 2113 } 2114 2115 return ret; 2116 } 2117 2118 static int ov5640_set_ctrl_white_balance(struct ov5640_dev *sensor, int awb) 2119 { 2120 int ret; 2121 2122 ret = ov5640_mod_reg(sensor, OV5640_REG_AWB_MANUAL_CTRL, 2123 BIT(0), awb ? 0 : 1); 2124 if (ret) 2125 return ret; 2126 2127 if (!awb) { 2128 u16 red = (u16)sensor->ctrls.red_balance->val; 2129 u16 blue = (u16)sensor->ctrls.blue_balance->val; 2130 2131 ret = ov5640_write_reg16(sensor, OV5640_REG_AWB_R_GAIN, red); 2132 if (ret) 2133 return ret; 2134 ret = ov5640_write_reg16(sensor, OV5640_REG_AWB_B_GAIN, blue); 2135 } 2136 2137 return ret; 2138 } 2139 2140 static int ov5640_set_ctrl_exposure(struct ov5640_dev *sensor, int exp) 2141 { 2142 struct ov5640_ctrls *ctrls = &sensor->ctrls; 2143 bool auto_exposure = (exp == V4L2_EXPOSURE_AUTO); 2144 int ret = 0; 2145 2146 if (ctrls->auto_exp->is_new) { 2147 ret = ov5640_mod_reg(sensor, OV5640_REG_AEC_PK_MANUAL, 2148 BIT(0), auto_exposure ? 0 : BIT(0)); 2149 if (ret) 2150 return ret; 2151 } 2152 2153 if (!auto_exposure && ctrls->exposure->is_new) { 2154 u16 max_exp; 2155 2156 ret = ov5640_read_reg16(sensor, OV5640_REG_AEC_PK_VTS, 2157 &max_exp); 2158 if (ret) 2159 return ret; 2160 ret = ov5640_get_vts(sensor); 2161 if (ret < 0) 2162 return ret; 2163 max_exp += ret; 2164 ret = 0; 2165 2166 if (ctrls->exposure->val < max_exp) 2167 ret = ov5640_set_exposure(sensor, ctrls->exposure->val); 2168 } 2169 2170 return ret; 2171 } 2172 2173 static int ov5640_set_ctrl_gain(struct ov5640_dev *sensor, int auto_gain) 2174 { 2175 struct ov5640_ctrls *ctrls = &sensor->ctrls; 2176 int ret = 0; 2177 2178 if (ctrls->auto_gain->is_new) { 2179 ret = ov5640_mod_reg(sensor, OV5640_REG_AEC_PK_MANUAL, 2180 BIT(1), 2181 ctrls->auto_gain->val ? 0 : BIT(1)); 2182 if (ret) 2183 return ret; 2184 } 2185 2186 if (!auto_gain && ctrls->gain->is_new) { 2187 u16 gain = (u16)ctrls->gain->val; 2188 2189 ret = ov5640_write_reg16(sensor, OV5640_REG_AEC_PK_REAL_GAIN, 2190 gain & 0x3ff); 2191 } 2192 2193 return ret; 2194 } 2195 2196 static int ov5640_set_ctrl_test_pattern(struct ov5640_dev *sensor, int value) 2197 { 2198 return ov5640_mod_reg(sensor, OV5640_REG_PRE_ISP_TEST_SET1, 2199 0xa4, value ? 0xa4 : 0); 2200 } 2201 2202 static int ov5640_set_ctrl_light_freq(struct ov5640_dev *sensor, int value) 2203 { 2204 int ret; 2205 2206 ret = ov5640_mod_reg(sensor, OV5640_REG_HZ5060_CTRL01, BIT(7), 2207 (value == V4L2_CID_POWER_LINE_FREQUENCY_AUTO) ? 2208 0 : BIT(7)); 2209 if (ret) 2210 return ret; 2211 2212 return ov5640_mod_reg(sensor, OV5640_REG_HZ5060_CTRL00, BIT(2), 2213 (value == V4L2_CID_POWER_LINE_FREQUENCY_50HZ) ? 2214 BIT(2) : 0); 2215 } 2216 2217 static int ov5640_set_ctrl_hflip(struct ov5640_dev *sensor, int value) 2218 { 2219 /* 2220 * If sensor is mounted upside down, mirror logic is inversed. 2221 * 2222 * Sensor is a BSI (Back Side Illuminated) one, 2223 * so image captured is physically mirrored. 2224 * This is why mirror logic is inversed in 2225 * order to cancel this mirror effect. 2226 */ 2227 2228 /* 2229 * TIMING TC REG21: 2230 * - [2]: ISP mirror 2231 * - [1]: Sensor mirror 2232 */ 2233 return ov5640_mod_reg(sensor, OV5640_REG_TIMING_TC_REG21, 2234 BIT(2) | BIT(1), 2235 (!(value ^ sensor->upside_down)) ? 2236 (BIT(2) | BIT(1)) : 0); 2237 } 2238 2239 static int ov5640_set_ctrl_vflip(struct ov5640_dev *sensor, int value) 2240 { 2241 /* If sensor is mounted upside down, flip logic is inversed */ 2242 2243 /* 2244 * TIMING TC REG20: 2245 * - [2]: ISP vflip 2246 * - [1]: Sensor vflip 2247 */ 2248 return ov5640_mod_reg(sensor, OV5640_REG_TIMING_TC_REG20, 2249 BIT(2) | BIT(1), 2250 (value ^ sensor->upside_down) ? 2251 (BIT(2) | BIT(1)) : 0); 2252 } 2253 2254 static int ov5640_g_volatile_ctrl(struct v4l2_ctrl *ctrl) 2255 { 2256 struct v4l2_subdev *sd = ctrl_to_sd(ctrl); 2257 struct ov5640_dev *sensor = to_ov5640_dev(sd); 2258 int val; 2259 2260 /* v4l2_ctrl_lock() locks our own mutex */ 2261 2262 switch (ctrl->id) { 2263 case V4L2_CID_AUTOGAIN: 2264 if (!ctrl->val) 2265 return 0; 2266 val = ov5640_get_gain(sensor); 2267 if (val < 0) 2268 return val; 2269 sensor->ctrls.gain->val = val; 2270 break; 2271 case V4L2_CID_EXPOSURE_AUTO: 2272 if (ctrl->val == V4L2_EXPOSURE_MANUAL) 2273 return 0; 2274 val = ov5640_get_exposure(sensor); 2275 if (val < 0) 2276 return val; 2277 sensor->ctrls.exposure->val = val; 2278 break; 2279 } 2280 2281 return 0; 2282 } 2283 2284 static int ov5640_s_ctrl(struct v4l2_ctrl *ctrl) 2285 { 2286 struct v4l2_subdev *sd = ctrl_to_sd(ctrl); 2287 struct ov5640_dev *sensor = to_ov5640_dev(sd); 2288 int ret; 2289 2290 /* v4l2_ctrl_lock() locks our own mutex */ 2291 2292 /* 2293 * If the device is not powered up by the host driver do 2294 * not apply any controls to H/W at this time. Instead 2295 * the controls will be restored right after power-up. 2296 */ 2297 if (sensor->power_count == 0) 2298 return 0; 2299 2300 switch (ctrl->id) { 2301 case V4L2_CID_AUTOGAIN: 2302 ret = ov5640_set_ctrl_gain(sensor, ctrl->val); 2303 break; 2304 case V4L2_CID_EXPOSURE_AUTO: 2305 ret = ov5640_set_ctrl_exposure(sensor, ctrl->val); 2306 break; 2307 case V4L2_CID_AUTO_WHITE_BALANCE: 2308 ret = ov5640_set_ctrl_white_balance(sensor, ctrl->val); 2309 break; 2310 case V4L2_CID_HUE: 2311 ret = ov5640_set_ctrl_hue(sensor, ctrl->val); 2312 break; 2313 case V4L2_CID_CONTRAST: 2314 ret = ov5640_set_ctrl_contrast(sensor, ctrl->val); 2315 break; 2316 case V4L2_CID_SATURATION: 2317 ret = ov5640_set_ctrl_saturation(sensor, ctrl->val); 2318 break; 2319 case V4L2_CID_TEST_PATTERN: 2320 ret = ov5640_set_ctrl_test_pattern(sensor, ctrl->val); 2321 break; 2322 case V4L2_CID_POWER_LINE_FREQUENCY: 2323 ret = ov5640_set_ctrl_light_freq(sensor, ctrl->val); 2324 break; 2325 case V4L2_CID_HFLIP: 2326 ret = ov5640_set_ctrl_hflip(sensor, ctrl->val); 2327 break; 2328 case V4L2_CID_VFLIP: 2329 ret = ov5640_set_ctrl_vflip(sensor, ctrl->val); 2330 break; 2331 default: 2332 ret = -EINVAL; 2333 break; 2334 } 2335 2336 return ret; 2337 } 2338 2339 static const struct v4l2_ctrl_ops ov5640_ctrl_ops = { 2340 .g_volatile_ctrl = ov5640_g_volatile_ctrl, 2341 .s_ctrl = ov5640_s_ctrl, 2342 }; 2343 2344 static const char * const test_pattern_menu[] = { 2345 "Disabled", 2346 "Color bars", 2347 }; 2348 2349 static int ov5640_init_controls(struct ov5640_dev *sensor) 2350 { 2351 const struct v4l2_ctrl_ops *ops = &ov5640_ctrl_ops; 2352 struct ov5640_ctrls *ctrls = &sensor->ctrls; 2353 struct v4l2_ctrl_handler *hdl = &ctrls->handler; 2354 int ret; 2355 2356 v4l2_ctrl_handler_init(hdl, 32); 2357 2358 /* we can use our own mutex for the ctrl lock */ 2359 hdl->lock = &sensor->lock; 2360 2361 /* Auto/manual white balance */ 2362 ctrls->auto_wb = v4l2_ctrl_new_std(hdl, ops, 2363 V4L2_CID_AUTO_WHITE_BALANCE, 2364 0, 1, 1, 1); 2365 ctrls->blue_balance = v4l2_ctrl_new_std(hdl, ops, V4L2_CID_BLUE_BALANCE, 2366 0, 4095, 1, 0); 2367 ctrls->red_balance = v4l2_ctrl_new_std(hdl, ops, V4L2_CID_RED_BALANCE, 2368 0, 4095, 1, 0); 2369 /* Auto/manual exposure */ 2370 ctrls->auto_exp = v4l2_ctrl_new_std_menu(hdl, ops, 2371 V4L2_CID_EXPOSURE_AUTO, 2372 V4L2_EXPOSURE_MANUAL, 0, 2373 V4L2_EXPOSURE_AUTO); 2374 ctrls->exposure = v4l2_ctrl_new_std(hdl, ops, V4L2_CID_EXPOSURE, 2375 0, 65535, 1, 0); 2376 /* Auto/manual gain */ 2377 ctrls->auto_gain = v4l2_ctrl_new_std(hdl, ops, V4L2_CID_AUTOGAIN, 2378 0, 1, 1, 1); 2379 ctrls->gain = v4l2_ctrl_new_std(hdl, ops, V4L2_CID_GAIN, 2380 0, 1023, 1, 0); 2381 2382 ctrls->saturation = v4l2_ctrl_new_std(hdl, ops, V4L2_CID_SATURATION, 2383 0, 255, 1, 64); 2384 ctrls->hue = v4l2_ctrl_new_std(hdl, ops, V4L2_CID_HUE, 2385 0, 359, 1, 0); 2386 ctrls->contrast = v4l2_ctrl_new_std(hdl, ops, V4L2_CID_CONTRAST, 2387 0, 255, 1, 0); 2388 ctrls->test_pattern = 2389 v4l2_ctrl_new_std_menu_items(hdl, ops, V4L2_CID_TEST_PATTERN, 2390 ARRAY_SIZE(test_pattern_menu) - 1, 2391 0, 0, test_pattern_menu); 2392 ctrls->hflip = v4l2_ctrl_new_std(hdl, ops, V4L2_CID_HFLIP, 2393 0, 1, 1, 0); 2394 ctrls->vflip = v4l2_ctrl_new_std(hdl, ops, V4L2_CID_VFLIP, 2395 0, 1, 1, 0); 2396 2397 ctrls->light_freq = 2398 v4l2_ctrl_new_std_menu(hdl, ops, 2399 V4L2_CID_POWER_LINE_FREQUENCY, 2400 V4L2_CID_POWER_LINE_FREQUENCY_AUTO, 0, 2401 V4L2_CID_POWER_LINE_FREQUENCY_50HZ); 2402 2403 if (hdl->error) { 2404 ret = hdl->error; 2405 goto free_ctrls; 2406 } 2407 2408 ctrls->gain->flags |= V4L2_CTRL_FLAG_VOLATILE; 2409 ctrls->exposure->flags |= V4L2_CTRL_FLAG_VOLATILE; 2410 2411 v4l2_ctrl_auto_cluster(3, &ctrls->auto_wb, 0, false); 2412 v4l2_ctrl_auto_cluster(2, &ctrls->auto_gain, 0, true); 2413 v4l2_ctrl_auto_cluster(2, &ctrls->auto_exp, 1, true); 2414 2415 sensor->sd.ctrl_handler = hdl; 2416 return 0; 2417 2418 free_ctrls: 2419 v4l2_ctrl_handler_free(hdl); 2420 return ret; 2421 } 2422 2423 static int ov5640_enum_frame_size(struct v4l2_subdev *sd, 2424 struct v4l2_subdev_pad_config *cfg, 2425 struct v4l2_subdev_frame_size_enum *fse) 2426 { 2427 if (fse->pad != 0) 2428 return -EINVAL; 2429 if (fse->index >= OV5640_NUM_MODES) 2430 return -EINVAL; 2431 2432 fse->min_width = 2433 ov5640_mode_data[0][fse->index].hact; 2434 fse->max_width = fse->min_width; 2435 fse->min_height = 2436 ov5640_mode_data[0][fse->index].vact; 2437 fse->max_height = fse->min_height; 2438 2439 return 0; 2440 } 2441 2442 static int ov5640_enum_frame_interval( 2443 struct v4l2_subdev *sd, 2444 struct v4l2_subdev_pad_config *cfg, 2445 struct v4l2_subdev_frame_interval_enum *fie) 2446 { 2447 struct ov5640_dev *sensor = to_ov5640_dev(sd); 2448 struct v4l2_fract tpf; 2449 int ret; 2450 2451 if (fie->pad != 0) 2452 return -EINVAL; 2453 if (fie->index >= OV5640_NUM_FRAMERATES) 2454 return -EINVAL; 2455 2456 tpf.numerator = 1; 2457 tpf.denominator = ov5640_framerates[fie->index]; 2458 2459 ret = ov5640_try_frame_interval(sensor, &tpf, 2460 fie->width, fie->height); 2461 if (ret < 0) 2462 return -EINVAL; 2463 2464 fie->interval = tpf; 2465 return 0; 2466 } 2467 2468 static int ov5640_g_frame_interval(struct v4l2_subdev *sd, 2469 struct v4l2_subdev_frame_interval *fi) 2470 { 2471 struct ov5640_dev *sensor = to_ov5640_dev(sd); 2472 2473 mutex_lock(&sensor->lock); 2474 fi->interval = sensor->frame_interval; 2475 mutex_unlock(&sensor->lock); 2476 2477 return 0; 2478 } 2479 2480 static int ov5640_s_frame_interval(struct v4l2_subdev *sd, 2481 struct v4l2_subdev_frame_interval *fi) 2482 { 2483 struct ov5640_dev *sensor = to_ov5640_dev(sd); 2484 const struct ov5640_mode_info *mode; 2485 int frame_rate, ret = 0; 2486 2487 if (fi->pad != 0) 2488 return -EINVAL; 2489 2490 mutex_lock(&sensor->lock); 2491 2492 if (sensor->streaming) { 2493 ret = -EBUSY; 2494 goto out; 2495 } 2496 2497 mode = sensor->current_mode; 2498 2499 frame_rate = ov5640_try_frame_interval(sensor, &fi->interval, 2500 mode->hact, mode->vact); 2501 if (frame_rate < 0) 2502 frame_rate = OV5640_15_FPS; 2503 2504 sensor->current_fr = frame_rate; 2505 sensor->frame_interval = fi->interval; 2506 mode = ov5640_find_mode(sensor, frame_rate, mode->hact, 2507 mode->vact, true); 2508 if (!mode) { 2509 ret = -EINVAL; 2510 goto out; 2511 } 2512 2513 if (mode != sensor->current_mode) { 2514 sensor->current_mode = mode; 2515 sensor->pending_mode_change = true; 2516 } 2517 out: 2518 mutex_unlock(&sensor->lock); 2519 return ret; 2520 } 2521 2522 static int ov5640_enum_mbus_code(struct v4l2_subdev *sd, 2523 struct v4l2_subdev_pad_config *cfg, 2524 struct v4l2_subdev_mbus_code_enum *code) 2525 { 2526 if (code->pad != 0) 2527 return -EINVAL; 2528 if (code->index >= ARRAY_SIZE(ov5640_formats)) 2529 return -EINVAL; 2530 2531 code->code = ov5640_formats[code->index].code; 2532 return 0; 2533 } 2534 2535 static int ov5640_s_stream(struct v4l2_subdev *sd, int enable) 2536 { 2537 struct ov5640_dev *sensor = to_ov5640_dev(sd); 2538 int ret = 0; 2539 2540 mutex_lock(&sensor->lock); 2541 2542 if (sensor->streaming == !enable) { 2543 if (enable && sensor->pending_mode_change) { 2544 ret = ov5640_set_mode(sensor, sensor->current_mode); 2545 if (ret) 2546 goto out; 2547 2548 ret = ov5640_set_framefmt(sensor, &sensor->fmt); 2549 if (ret) 2550 goto out; 2551 } 2552 2553 if (sensor->ep.bus_type == V4L2_MBUS_CSI2) 2554 ret = ov5640_set_stream_mipi(sensor, enable); 2555 else 2556 ret = ov5640_set_stream_dvp(sensor, enable); 2557 2558 if (!ret) 2559 sensor->streaming = enable; 2560 } 2561 out: 2562 mutex_unlock(&sensor->lock); 2563 return ret; 2564 } 2565 2566 static const struct v4l2_subdev_core_ops ov5640_core_ops = { 2567 .s_power = ov5640_s_power, 2568 }; 2569 2570 static const struct v4l2_subdev_video_ops ov5640_video_ops = { 2571 .g_frame_interval = ov5640_g_frame_interval, 2572 .s_frame_interval = ov5640_s_frame_interval, 2573 .s_stream = ov5640_s_stream, 2574 }; 2575 2576 static const struct v4l2_subdev_pad_ops ov5640_pad_ops = { 2577 .enum_mbus_code = ov5640_enum_mbus_code, 2578 .get_fmt = ov5640_get_fmt, 2579 .set_fmt = ov5640_set_fmt, 2580 .enum_frame_size = ov5640_enum_frame_size, 2581 .enum_frame_interval = ov5640_enum_frame_interval, 2582 }; 2583 2584 static const struct v4l2_subdev_ops ov5640_subdev_ops = { 2585 .core = &ov5640_core_ops, 2586 .video = &ov5640_video_ops, 2587 .pad = &ov5640_pad_ops, 2588 }; 2589 2590 static int ov5640_get_regulators(struct ov5640_dev *sensor) 2591 { 2592 int i; 2593 2594 for (i = 0; i < OV5640_NUM_SUPPLIES; i++) 2595 sensor->supplies[i].supply = ov5640_supply_name[i]; 2596 2597 return devm_regulator_bulk_get(&sensor->i2c_client->dev, 2598 OV5640_NUM_SUPPLIES, 2599 sensor->supplies); 2600 } 2601 2602 static int ov5640_check_chip_id(struct ov5640_dev *sensor) 2603 { 2604 struct i2c_client *client = sensor->i2c_client; 2605 int ret = 0; 2606 u16 chip_id; 2607 2608 ret = ov5640_set_power_on(sensor); 2609 if (ret) 2610 return ret; 2611 2612 ret = ov5640_read_reg16(sensor, OV5640_REG_CHIP_ID, &chip_id); 2613 if (ret) { 2614 dev_err(&client->dev, "%s: failed to read chip identifier\n", 2615 __func__); 2616 goto power_off; 2617 } 2618 2619 if (chip_id != 0x5640) { 2620 dev_err(&client->dev, "%s: wrong chip identifier, expected 0x5640, got 0x%x\n", 2621 __func__, chip_id); 2622 ret = -ENXIO; 2623 } 2624 2625 power_off: 2626 ov5640_set_power_off(sensor); 2627 return ret; 2628 } 2629 2630 static int ov5640_probe(struct i2c_client *client, 2631 const struct i2c_device_id *id) 2632 { 2633 struct device *dev = &client->dev; 2634 struct fwnode_handle *endpoint; 2635 struct ov5640_dev *sensor; 2636 struct v4l2_mbus_framefmt *fmt; 2637 u32 rotation; 2638 int ret; 2639 2640 sensor = devm_kzalloc(dev, sizeof(*sensor), GFP_KERNEL); 2641 if (!sensor) 2642 return -ENOMEM; 2643 2644 sensor->i2c_client = client; 2645 fmt = &sensor->fmt; 2646 fmt->code = ov5640_formats[0].code; 2647 fmt->colorspace = ov5640_formats[0].colorspace; 2648 fmt->ycbcr_enc = V4L2_MAP_YCBCR_ENC_DEFAULT(fmt->colorspace); 2649 fmt->quantization = V4L2_QUANTIZATION_FULL_RANGE; 2650 fmt->xfer_func = V4L2_MAP_XFER_FUNC_DEFAULT(fmt->colorspace); 2651 fmt->width = 640; 2652 fmt->height = 480; 2653 fmt->field = V4L2_FIELD_NONE; 2654 sensor->frame_interval.numerator = 1; 2655 sensor->frame_interval.denominator = ov5640_framerates[OV5640_30_FPS]; 2656 sensor->current_fr = OV5640_30_FPS; 2657 sensor->current_mode = 2658 &ov5640_mode_data[OV5640_30_FPS][OV5640_MODE_VGA_640_480]; 2659 sensor->pending_mode_change = true; 2660 2661 sensor->ae_target = 52; 2662 2663 /* optional indication of physical rotation of sensor */ 2664 ret = fwnode_property_read_u32(dev_fwnode(&client->dev), "rotation", 2665 &rotation); 2666 if (!ret) { 2667 switch (rotation) { 2668 case 180: 2669 sensor->upside_down = true; 2670 /* fall through */ 2671 case 0: 2672 break; 2673 default: 2674 dev_warn(dev, "%u degrees rotation is not supported, ignoring...\n", 2675 rotation); 2676 } 2677 } 2678 2679 endpoint = fwnode_graph_get_next_endpoint(dev_fwnode(&client->dev), 2680 NULL); 2681 if (!endpoint) { 2682 dev_err(dev, "endpoint node not found\n"); 2683 return -EINVAL; 2684 } 2685 2686 ret = v4l2_fwnode_endpoint_parse(endpoint, &sensor->ep); 2687 fwnode_handle_put(endpoint); 2688 if (ret) { 2689 dev_err(dev, "Could not parse endpoint\n"); 2690 return ret; 2691 } 2692 2693 /* get system clock (xclk) */ 2694 sensor->xclk = devm_clk_get(dev, "xclk"); 2695 if (IS_ERR(sensor->xclk)) { 2696 dev_err(dev, "failed to get xclk\n"); 2697 return PTR_ERR(sensor->xclk); 2698 } 2699 2700 sensor->xclk_freq = clk_get_rate(sensor->xclk); 2701 if (sensor->xclk_freq < OV5640_XCLK_MIN || 2702 sensor->xclk_freq > OV5640_XCLK_MAX) { 2703 dev_err(dev, "xclk frequency out of range: %d Hz\n", 2704 sensor->xclk_freq); 2705 return -EINVAL; 2706 } 2707 2708 /* request optional power down pin */ 2709 sensor->pwdn_gpio = devm_gpiod_get_optional(dev, "powerdown", 2710 GPIOD_OUT_HIGH); 2711 /* request optional reset pin */ 2712 sensor->reset_gpio = devm_gpiod_get_optional(dev, "reset", 2713 GPIOD_OUT_HIGH); 2714 2715 v4l2_i2c_subdev_init(&sensor->sd, client, &ov5640_subdev_ops); 2716 2717 sensor->sd.flags |= V4L2_SUBDEV_FL_HAS_DEVNODE; 2718 sensor->pad.flags = MEDIA_PAD_FL_SOURCE; 2719 sensor->sd.entity.function = MEDIA_ENT_F_CAM_SENSOR; 2720 ret = media_entity_pads_init(&sensor->sd.entity, 1, &sensor->pad); 2721 if (ret) 2722 return ret; 2723 2724 ret = ov5640_get_regulators(sensor); 2725 if (ret) 2726 return ret; 2727 2728 mutex_init(&sensor->lock); 2729 2730 ret = ov5640_check_chip_id(sensor); 2731 if (ret) 2732 goto entity_cleanup; 2733 2734 ret = ov5640_init_controls(sensor); 2735 if (ret) 2736 goto entity_cleanup; 2737 2738 ret = v4l2_async_register_subdev(&sensor->sd); 2739 if (ret) 2740 goto free_ctrls; 2741 2742 return 0; 2743 2744 free_ctrls: 2745 v4l2_ctrl_handler_free(&sensor->ctrls.handler); 2746 entity_cleanup: 2747 mutex_destroy(&sensor->lock); 2748 media_entity_cleanup(&sensor->sd.entity); 2749 return ret; 2750 } 2751 2752 static int ov5640_remove(struct i2c_client *client) 2753 { 2754 struct v4l2_subdev *sd = i2c_get_clientdata(client); 2755 struct ov5640_dev *sensor = to_ov5640_dev(sd); 2756 2757 v4l2_async_unregister_subdev(&sensor->sd); 2758 mutex_destroy(&sensor->lock); 2759 media_entity_cleanup(&sensor->sd.entity); 2760 v4l2_ctrl_handler_free(&sensor->ctrls.handler); 2761 2762 return 0; 2763 } 2764 2765 static const struct i2c_device_id ov5640_id[] = { 2766 {"ov5640", 0}, 2767 {}, 2768 }; 2769 MODULE_DEVICE_TABLE(i2c, ov5640_id); 2770 2771 static const struct of_device_id ov5640_dt_ids[] = { 2772 { .compatible = "ovti,ov5640" }, 2773 { /* sentinel */ } 2774 }; 2775 MODULE_DEVICE_TABLE(of, ov5640_dt_ids); 2776 2777 static struct i2c_driver ov5640_i2c_driver = { 2778 .driver = { 2779 .name = "ov5640", 2780 .of_match_table = ov5640_dt_ids, 2781 }, 2782 .id_table = ov5640_id, 2783 .probe = ov5640_probe, 2784 .remove = ov5640_remove, 2785 }; 2786 2787 module_i2c_driver(ov5640_i2c_driver); 2788 2789 MODULE_DESCRIPTION("OV5640 MIPI Camera Subdev Driver"); 2790 MODULE_LICENSE("GPL"); 2791