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 bool pending_fmt_change; 227 228 const struct ov5640_mode_info *current_mode; 229 const struct ov5640_mode_info *last_mode; 230 enum ov5640_frame_rate current_fr; 231 struct v4l2_fract frame_interval; 232 233 struct ov5640_ctrls ctrls; 234 235 u32 prev_sysclk, prev_hts; 236 u32 ae_low, ae_high, ae_target; 237 238 bool pending_mode_change; 239 bool streaming; 240 }; 241 242 static inline struct ov5640_dev *to_ov5640_dev(struct v4l2_subdev *sd) 243 { 244 return container_of(sd, struct ov5640_dev, sd); 245 } 246 247 static inline struct v4l2_subdev *ctrl_to_sd(struct v4l2_ctrl *ctrl) 248 { 249 return &container_of(ctrl->handler, struct ov5640_dev, 250 ctrls.handler)->sd; 251 } 252 253 /* 254 * FIXME: all of these register tables are likely filled with 255 * entries that set the register to their power-on default values, 256 * and which are otherwise not touched by this driver. Those entries 257 * should be identified and removed to speed register load time 258 * over i2c. 259 */ 260 /* YUV422 UYVY VGA@30fps */ 261 static const struct reg_value ov5640_init_setting_30fps_VGA[] = { 262 {0x3103, 0x11, 0, 0}, {0x3008, 0x82, 0, 5}, {0x3008, 0x42, 0, 0}, 263 {0x3103, 0x03, 0, 0}, {0x3017, 0x00, 0, 0}, {0x3018, 0x00, 0, 0}, 264 {0x3034, 0x18, 0, 0}, {0x3035, 0x14, 0, 0}, {0x3036, 0x38, 0, 0}, 265 {0x3037, 0x13, 0, 0}, {0x3630, 0x36, 0, 0}, 266 {0x3631, 0x0e, 0, 0}, {0x3632, 0xe2, 0, 0}, {0x3633, 0x12, 0, 0}, 267 {0x3621, 0xe0, 0, 0}, {0x3704, 0xa0, 0, 0}, {0x3703, 0x5a, 0, 0}, 268 {0x3715, 0x78, 0, 0}, {0x3717, 0x01, 0, 0}, {0x370b, 0x60, 0, 0}, 269 {0x3705, 0x1a, 0, 0}, {0x3905, 0x02, 0, 0}, {0x3906, 0x10, 0, 0}, 270 {0x3901, 0x0a, 0, 0}, {0x3731, 0x12, 0, 0}, {0x3600, 0x08, 0, 0}, 271 {0x3601, 0x33, 0, 0}, {0x302d, 0x60, 0, 0}, {0x3620, 0x52, 0, 0}, 272 {0x371b, 0x20, 0, 0}, {0x471c, 0x50, 0, 0}, {0x3a13, 0x43, 0, 0}, 273 {0x3a18, 0x00, 0, 0}, {0x3a19, 0xf8, 0, 0}, {0x3635, 0x13, 0, 0}, 274 {0x3636, 0x03, 0, 0}, {0x3634, 0x40, 0, 0}, {0x3622, 0x01, 0, 0}, 275 {0x3c01, 0xa4, 0, 0}, {0x3c04, 0x28, 0, 0}, {0x3c05, 0x98, 0, 0}, 276 {0x3c06, 0x00, 0, 0}, {0x3c07, 0x08, 0, 0}, {0x3c08, 0x00, 0, 0}, 277 {0x3c09, 0x1c, 0, 0}, {0x3c0a, 0x9c, 0, 0}, {0x3c0b, 0x40, 0, 0}, 278 {0x3820, 0x41, 0, 0}, {0x3821, 0x07, 0, 0}, {0x3814, 0x31, 0, 0}, 279 {0x3815, 0x31, 0, 0}, {0x3800, 0x00, 0, 0}, {0x3801, 0x00, 0, 0}, 280 {0x3802, 0x00, 0, 0}, {0x3803, 0x04, 0, 0}, {0x3804, 0x0a, 0, 0}, 281 {0x3805, 0x3f, 0, 0}, {0x3806, 0x07, 0, 0}, {0x3807, 0x9b, 0, 0}, 282 {0x3810, 0x00, 0, 0}, 283 {0x3811, 0x10, 0, 0}, {0x3812, 0x00, 0, 0}, {0x3813, 0x06, 0, 0}, 284 {0x3618, 0x00, 0, 0}, {0x3612, 0x29, 0, 0}, {0x3708, 0x64, 0, 0}, 285 {0x3709, 0x52, 0, 0}, {0x370c, 0x03, 0, 0}, {0x3a02, 0x03, 0, 0}, 286 {0x3a03, 0xd8, 0, 0}, {0x3a08, 0x01, 0, 0}, {0x3a09, 0x27, 0, 0}, 287 {0x3a0a, 0x00, 0, 0}, {0x3a0b, 0xf6, 0, 0}, {0x3a0e, 0x03, 0, 0}, 288 {0x3a0d, 0x04, 0, 0}, {0x3a14, 0x03, 0, 0}, {0x3a15, 0xd8, 0, 0}, 289 {0x4001, 0x02, 0, 0}, {0x4004, 0x02, 0, 0}, {0x3000, 0x00, 0, 0}, 290 {0x3002, 0x1c, 0, 0}, {0x3004, 0xff, 0, 0}, {0x3006, 0xc3, 0, 0}, 291 {0x302e, 0x08, 0, 0}, {0x4300, 0x3f, 0, 0}, 292 {0x501f, 0x00, 0, 0}, {0x4713, 0x03, 0, 0}, {0x4407, 0x04, 0, 0}, 293 {0x440e, 0x00, 0, 0}, {0x460b, 0x35, 0, 0}, {0x460c, 0x22, 0, 0}, 294 {0x4837, 0x0a, 0, 0}, {0x3824, 0x02, 0, 0}, 295 {0x5000, 0xa7, 0, 0}, {0x5001, 0xa3, 0, 0}, {0x5180, 0xff, 0, 0}, 296 {0x5181, 0xf2, 0, 0}, {0x5182, 0x00, 0, 0}, {0x5183, 0x14, 0, 0}, 297 {0x5184, 0x25, 0, 0}, {0x5185, 0x24, 0, 0}, {0x5186, 0x09, 0, 0}, 298 {0x5187, 0x09, 0, 0}, {0x5188, 0x09, 0, 0}, {0x5189, 0x88, 0, 0}, 299 {0x518a, 0x54, 0, 0}, {0x518b, 0xee, 0, 0}, {0x518c, 0xb2, 0, 0}, 300 {0x518d, 0x50, 0, 0}, {0x518e, 0x34, 0, 0}, {0x518f, 0x6b, 0, 0}, 301 {0x5190, 0x46, 0, 0}, {0x5191, 0xf8, 0, 0}, {0x5192, 0x04, 0, 0}, 302 {0x5193, 0x70, 0, 0}, {0x5194, 0xf0, 0, 0}, {0x5195, 0xf0, 0, 0}, 303 {0x5196, 0x03, 0, 0}, {0x5197, 0x01, 0, 0}, {0x5198, 0x04, 0, 0}, 304 {0x5199, 0x6c, 0, 0}, {0x519a, 0x04, 0, 0}, {0x519b, 0x00, 0, 0}, 305 {0x519c, 0x09, 0, 0}, {0x519d, 0x2b, 0, 0}, {0x519e, 0x38, 0, 0}, 306 {0x5381, 0x1e, 0, 0}, {0x5382, 0x5b, 0, 0}, {0x5383, 0x08, 0, 0}, 307 {0x5384, 0x0a, 0, 0}, {0x5385, 0x7e, 0, 0}, {0x5386, 0x88, 0, 0}, 308 {0x5387, 0x7c, 0, 0}, {0x5388, 0x6c, 0, 0}, {0x5389, 0x10, 0, 0}, 309 {0x538a, 0x01, 0, 0}, {0x538b, 0x98, 0, 0}, {0x5300, 0x08, 0, 0}, 310 {0x5301, 0x30, 0, 0}, {0x5302, 0x10, 0, 0}, {0x5303, 0x00, 0, 0}, 311 {0x5304, 0x08, 0, 0}, {0x5305, 0x30, 0, 0}, {0x5306, 0x08, 0, 0}, 312 {0x5307, 0x16, 0, 0}, {0x5309, 0x08, 0, 0}, {0x530a, 0x30, 0, 0}, 313 {0x530b, 0x04, 0, 0}, {0x530c, 0x06, 0, 0}, {0x5480, 0x01, 0, 0}, 314 {0x5481, 0x08, 0, 0}, {0x5482, 0x14, 0, 0}, {0x5483, 0x28, 0, 0}, 315 {0x5484, 0x51, 0, 0}, {0x5485, 0x65, 0, 0}, {0x5486, 0x71, 0, 0}, 316 {0x5487, 0x7d, 0, 0}, {0x5488, 0x87, 0, 0}, {0x5489, 0x91, 0, 0}, 317 {0x548a, 0x9a, 0, 0}, {0x548b, 0xaa, 0, 0}, {0x548c, 0xb8, 0, 0}, 318 {0x548d, 0xcd, 0, 0}, {0x548e, 0xdd, 0, 0}, {0x548f, 0xea, 0, 0}, 319 {0x5490, 0x1d, 0, 0}, {0x5580, 0x02, 0, 0}, {0x5583, 0x40, 0, 0}, 320 {0x5584, 0x10, 0, 0}, {0x5589, 0x10, 0, 0}, {0x558a, 0x00, 0, 0}, 321 {0x558b, 0xf8, 0, 0}, {0x5800, 0x23, 0, 0}, {0x5801, 0x14, 0, 0}, 322 {0x5802, 0x0f, 0, 0}, {0x5803, 0x0f, 0, 0}, {0x5804, 0x12, 0, 0}, 323 {0x5805, 0x26, 0, 0}, {0x5806, 0x0c, 0, 0}, {0x5807, 0x08, 0, 0}, 324 {0x5808, 0x05, 0, 0}, {0x5809, 0x05, 0, 0}, {0x580a, 0x08, 0, 0}, 325 {0x580b, 0x0d, 0, 0}, {0x580c, 0x08, 0, 0}, {0x580d, 0x03, 0, 0}, 326 {0x580e, 0x00, 0, 0}, {0x580f, 0x00, 0, 0}, {0x5810, 0x03, 0, 0}, 327 {0x5811, 0x09, 0, 0}, {0x5812, 0x07, 0, 0}, {0x5813, 0x03, 0, 0}, 328 {0x5814, 0x00, 0, 0}, {0x5815, 0x01, 0, 0}, {0x5816, 0x03, 0, 0}, 329 {0x5817, 0x08, 0, 0}, {0x5818, 0x0d, 0, 0}, {0x5819, 0x08, 0, 0}, 330 {0x581a, 0x05, 0, 0}, {0x581b, 0x06, 0, 0}, {0x581c, 0x08, 0, 0}, 331 {0x581d, 0x0e, 0, 0}, {0x581e, 0x29, 0, 0}, {0x581f, 0x17, 0, 0}, 332 {0x5820, 0x11, 0, 0}, {0x5821, 0x11, 0, 0}, {0x5822, 0x15, 0, 0}, 333 {0x5823, 0x28, 0, 0}, {0x5824, 0x46, 0, 0}, {0x5825, 0x26, 0, 0}, 334 {0x5826, 0x08, 0, 0}, {0x5827, 0x26, 0, 0}, {0x5828, 0x64, 0, 0}, 335 {0x5829, 0x26, 0, 0}, {0x582a, 0x24, 0, 0}, {0x582b, 0x22, 0, 0}, 336 {0x582c, 0x24, 0, 0}, {0x582d, 0x24, 0, 0}, {0x582e, 0x06, 0, 0}, 337 {0x582f, 0x22, 0, 0}, {0x5830, 0x40, 0, 0}, {0x5831, 0x42, 0, 0}, 338 {0x5832, 0x24, 0, 0}, {0x5833, 0x26, 0, 0}, {0x5834, 0x24, 0, 0}, 339 {0x5835, 0x22, 0, 0}, {0x5836, 0x22, 0, 0}, {0x5837, 0x26, 0, 0}, 340 {0x5838, 0x44, 0, 0}, {0x5839, 0x24, 0, 0}, {0x583a, 0x26, 0, 0}, 341 {0x583b, 0x28, 0, 0}, {0x583c, 0x42, 0, 0}, {0x583d, 0xce, 0, 0}, 342 {0x5025, 0x00, 0, 0}, {0x3a0f, 0x30, 0, 0}, {0x3a10, 0x28, 0, 0}, 343 {0x3a1b, 0x30, 0, 0}, {0x3a1e, 0x26, 0, 0}, {0x3a11, 0x60, 0, 0}, 344 {0x3a1f, 0x14, 0, 0}, {0x3008, 0x02, 0, 0}, {0x3c00, 0x04, 0, 300}, 345 }; 346 347 static const struct reg_value ov5640_setting_30fps_VGA_640_480[] = { 348 {0x3035, 0x14, 0, 0}, {0x3036, 0x38, 0, 0}, {0x3c07, 0x08, 0, 0}, 349 {0x3c09, 0x1c, 0, 0}, {0x3c0a, 0x9c, 0, 0}, {0x3c0b, 0x40, 0, 0}, 350 {0x3814, 0x31, 0, 0}, 351 {0x3815, 0x31, 0, 0}, {0x3800, 0x00, 0, 0}, {0x3801, 0x00, 0, 0}, 352 {0x3802, 0x00, 0, 0}, {0x3803, 0x04, 0, 0}, {0x3804, 0x0a, 0, 0}, 353 {0x3805, 0x3f, 0, 0}, {0x3806, 0x07, 0, 0}, {0x3807, 0x9b, 0, 0}, 354 {0x3810, 0x00, 0, 0}, 355 {0x3811, 0x10, 0, 0}, {0x3812, 0x00, 0, 0}, {0x3813, 0x06, 0, 0}, 356 {0x3618, 0x00, 0, 0}, {0x3612, 0x29, 0, 0}, {0x3708, 0x64, 0, 0}, 357 {0x3709, 0x52, 0, 0}, {0x370c, 0x03, 0, 0}, {0x3a02, 0x03, 0, 0}, 358 {0x3a03, 0xd8, 0, 0}, {0x3a08, 0x01, 0, 0}, {0x3a09, 0x0e, 0, 0}, 359 {0x3a0a, 0x00, 0, 0}, {0x3a0b, 0xf6, 0, 0}, {0x3a0e, 0x03, 0, 0}, 360 {0x3a0d, 0x04, 0, 0}, {0x3a14, 0x03, 0, 0}, {0x3a15, 0xd8, 0, 0}, 361 {0x4001, 0x02, 0, 0}, {0x4004, 0x02, 0, 0}, {0x4713, 0x03, 0, 0}, 362 {0x4407, 0x04, 0, 0}, {0x460b, 0x35, 0, 0}, {0x460c, 0x22, 0, 0}, 363 {0x3824, 0x02, 0, 0}, {0x5001, 0xa3, 0, 0}, {0x3503, 0x00, 0, 0}, 364 }; 365 366 static const struct reg_value ov5640_setting_15fps_VGA_640_480[] = { 367 {0x3035, 0x22, 0, 0}, {0x3036, 0x38, 0, 0}, {0x3c07, 0x08, 0, 0}, 368 {0x3c09, 0x1c, 0, 0}, {0x3c0a, 0x9c, 0, 0}, {0x3c0b, 0x40, 0, 0}, 369 {0x3814, 0x31, 0, 0}, 370 {0x3815, 0x31, 0, 0}, {0x3800, 0x00, 0, 0}, {0x3801, 0x00, 0, 0}, 371 {0x3802, 0x00, 0, 0}, {0x3803, 0x04, 0, 0}, {0x3804, 0x0a, 0, 0}, 372 {0x3805, 0x3f, 0, 0}, {0x3806, 0x07, 0, 0}, {0x3807, 0x9b, 0, 0}, 373 {0x3810, 0x00, 0, 0}, 374 {0x3811, 0x10, 0, 0}, {0x3812, 0x00, 0, 0}, {0x3813, 0x06, 0, 0}, 375 {0x3618, 0x00, 0, 0}, {0x3612, 0x29, 0, 0}, {0x3708, 0x64, 0, 0}, 376 {0x3709, 0x52, 0, 0}, {0x370c, 0x03, 0, 0}, {0x3a02, 0x03, 0, 0}, 377 {0x3a03, 0xd8, 0, 0}, {0x3a08, 0x01, 0, 0}, {0x3a09, 0x27, 0, 0}, 378 {0x3a0a, 0x00, 0, 0}, {0x3a0b, 0xf6, 0, 0}, {0x3a0e, 0x03, 0, 0}, 379 {0x3a0d, 0x04, 0, 0}, {0x3a14, 0x03, 0, 0}, {0x3a15, 0xd8, 0, 0}, 380 {0x4001, 0x02, 0, 0}, {0x4004, 0x02, 0, 0}, {0x4713, 0x03, 0, 0}, 381 {0x4407, 0x04, 0, 0}, {0x460b, 0x35, 0, 0}, {0x460c, 0x22, 0, 0}, 382 {0x3824, 0x02, 0, 0}, {0x5001, 0xa3, 0, 0}, 383 }; 384 385 static const struct reg_value ov5640_setting_30fps_XGA_1024_768[] = { 386 {0x3035, 0x14, 0, 0}, {0x3036, 0x38, 0, 0}, {0x3c07, 0x08, 0, 0}, 387 {0x3c09, 0x1c, 0, 0}, {0x3c0a, 0x9c, 0, 0}, {0x3c0b, 0x40, 0, 0}, 388 {0x3814, 0x31, 0, 0}, 389 {0x3815, 0x31, 0, 0}, {0x3800, 0x00, 0, 0}, {0x3801, 0x00, 0, 0}, 390 {0x3802, 0x00, 0, 0}, {0x3803, 0x04, 0, 0}, {0x3804, 0x0a, 0, 0}, 391 {0x3805, 0x3f, 0, 0}, {0x3806, 0x07, 0, 0}, {0x3807, 0x9b, 0, 0}, 392 {0x3810, 0x00, 0, 0}, 393 {0x3811, 0x10, 0, 0}, {0x3812, 0x00, 0, 0}, {0x3813, 0x06, 0, 0}, 394 {0x3618, 0x00, 0, 0}, {0x3612, 0x29, 0, 0}, {0x3708, 0x64, 0, 0}, 395 {0x3709, 0x52, 0, 0}, {0x370c, 0x03, 0, 0}, {0x3a02, 0x03, 0, 0}, 396 {0x3a03, 0xd8, 0, 0}, {0x3a08, 0x01, 0, 0}, {0x3a09, 0x0e, 0, 0}, 397 {0x3a0a, 0x00, 0, 0}, {0x3a0b, 0xf6, 0, 0}, {0x3a0e, 0x03, 0, 0}, 398 {0x3a0d, 0x04, 0, 0}, {0x3a14, 0x03, 0, 0}, {0x3a15, 0xd8, 0, 0}, 399 {0x4001, 0x02, 0, 0}, {0x4004, 0x02, 0, 0}, {0x4713, 0x03, 0, 0}, 400 {0x4407, 0x04, 0, 0}, {0x460b, 0x35, 0, 0}, {0x460c, 0x22, 0, 0}, 401 {0x3824, 0x02, 0, 0}, {0x5001, 0xa3, 0, 0}, {0x3503, 0x00, 0, 0}, 402 {0x3035, 0x12, 0, 0}, 403 }; 404 405 static const struct reg_value ov5640_setting_15fps_XGA_1024_768[] = { 406 {0x3035, 0x22, 0, 0}, {0x3036, 0x38, 0, 0}, {0x3c07, 0x08, 0, 0}, 407 {0x3c09, 0x1c, 0, 0}, {0x3c0a, 0x9c, 0, 0}, {0x3c0b, 0x40, 0, 0}, 408 {0x3814, 0x31, 0, 0}, 409 {0x3815, 0x31, 0, 0}, {0x3800, 0x00, 0, 0}, {0x3801, 0x00, 0, 0}, 410 {0x3802, 0x00, 0, 0}, {0x3803, 0x04, 0, 0}, {0x3804, 0x0a, 0, 0}, 411 {0x3805, 0x3f, 0, 0}, {0x3806, 0x07, 0, 0}, {0x3807, 0x9b, 0, 0}, 412 {0x3810, 0x00, 0, 0}, 413 {0x3811, 0x10, 0, 0}, {0x3812, 0x00, 0, 0}, {0x3813, 0x06, 0, 0}, 414 {0x3618, 0x00, 0, 0}, {0x3612, 0x29, 0, 0}, {0x3708, 0x64, 0, 0}, 415 {0x3709, 0x52, 0, 0}, {0x370c, 0x03, 0, 0}, {0x3a02, 0x03, 0, 0}, 416 {0x3a03, 0xd8, 0, 0}, {0x3a08, 0x01, 0, 0}, {0x3a09, 0x27, 0, 0}, 417 {0x3a0a, 0x00, 0, 0}, {0x3a0b, 0xf6, 0, 0}, {0x3a0e, 0x03, 0, 0}, 418 {0x3a0d, 0x04, 0, 0}, {0x3a14, 0x03, 0, 0}, {0x3a15, 0xd8, 0, 0}, 419 {0x4001, 0x02, 0, 0}, {0x4004, 0x02, 0, 0}, {0x4713, 0x03, 0, 0}, 420 {0x4407, 0x04, 0, 0}, {0x460b, 0x35, 0, 0}, {0x460c, 0x22, 0, 0}, 421 {0x3824, 0x02, 0, 0}, {0x5001, 0xa3, 0, 0}, 422 }; 423 424 static const struct reg_value ov5640_setting_30fps_QVGA_320_240[] = { 425 {0x3035, 0x14, 0, 0}, {0x3036, 0x38, 0, 0}, {0x3c07, 0x08, 0, 0}, 426 {0x3c09, 0x1c, 0, 0}, {0x3c0a, 0x9c, 0, 0}, {0x3c0b, 0x40, 0, 0}, 427 {0x3814, 0x31, 0, 0}, 428 {0x3815, 0x31, 0, 0}, {0x3800, 0x00, 0, 0}, {0x3801, 0x00, 0, 0}, 429 {0x3802, 0x00, 0, 0}, {0x3803, 0x04, 0, 0}, {0x3804, 0x0a, 0, 0}, 430 {0x3805, 0x3f, 0, 0}, {0x3806, 0x07, 0, 0}, {0x3807, 0x9b, 0, 0}, 431 {0x3810, 0x00, 0, 0}, 432 {0x3811, 0x10, 0, 0}, {0x3812, 0x00, 0, 0}, {0x3813, 0x06, 0, 0}, 433 {0x3618, 0x00, 0, 0}, {0x3612, 0x29, 0, 0}, {0x3708, 0x64, 0, 0}, 434 {0x3709, 0x52, 0, 0}, {0x370c, 0x03, 0, 0}, {0x3a02, 0x03, 0, 0}, 435 {0x3a03, 0xd8, 0, 0}, {0x3a08, 0x01, 0, 0}, {0x3a09, 0x27, 0, 0}, 436 {0x3a0a, 0x00, 0, 0}, {0x3a0b, 0xf6, 0, 0}, {0x3a0e, 0x03, 0, 0}, 437 {0x3a0d, 0x04, 0, 0}, {0x3a14, 0x03, 0, 0}, {0x3a15, 0xd8, 0, 0}, 438 {0x4001, 0x02, 0, 0}, {0x4004, 0x02, 0, 0}, {0x4713, 0x03, 0, 0}, 439 {0x4407, 0x04, 0, 0}, {0x460b, 0x35, 0, 0}, {0x460c, 0x22, 0, 0}, 440 {0x3824, 0x02, 0, 0}, {0x5001, 0xa3, 0, 0}, 441 }; 442 443 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 {0x3814, 0x31, 0, 0}, 447 {0x3815, 0x31, 0, 0}, {0x3800, 0x00, 0, 0}, {0x3801, 0x00, 0, 0}, 448 {0x3802, 0x00, 0, 0}, {0x3803, 0x04, 0, 0}, {0x3804, 0x0a, 0, 0}, 449 {0x3805, 0x3f, 0, 0}, {0x3806, 0x07, 0, 0}, {0x3807, 0x9b, 0, 0}, 450 {0x3810, 0x00, 0, 0}, 451 {0x3811, 0x10, 0, 0}, {0x3812, 0x00, 0, 0}, {0x3813, 0x06, 0, 0}, 452 {0x3618, 0x00, 0, 0}, {0x3612, 0x29, 0, 0}, {0x3708, 0x64, 0, 0}, 453 {0x3709, 0x52, 0, 0}, {0x370c, 0x03, 0, 0}, {0x3a02, 0x03, 0, 0}, 454 {0x3a03, 0xd8, 0, 0}, {0x3a08, 0x01, 0, 0}, {0x3a09, 0x27, 0, 0}, 455 {0x3a0a, 0x00, 0, 0}, {0x3a0b, 0xf6, 0, 0}, {0x3a0e, 0x03, 0, 0}, 456 {0x3a0d, 0x04, 0, 0}, {0x3a14, 0x03, 0, 0}, {0x3a15, 0xd8, 0, 0}, 457 {0x4001, 0x02, 0, 0}, {0x4004, 0x02, 0, 0}, {0x4713, 0x03, 0, 0}, 458 {0x4407, 0x04, 0, 0}, {0x460b, 0x35, 0, 0}, {0x460c, 0x22, 0, 0}, 459 {0x3824, 0x02, 0, 0}, {0x5001, 0xa3, 0, 0}, 460 }; 461 462 static const struct reg_value ov5640_setting_30fps_QCIF_176_144[] = { 463 {0x3035, 0x14, 0, 0}, {0x3036, 0x38, 0, 0}, {0x3c07, 0x08, 0, 0}, 464 {0x3c09, 0x1c, 0, 0}, {0x3c0a, 0x9c, 0, 0}, {0x3c0b, 0x40, 0, 0}, 465 {0x3814, 0x31, 0, 0}, 466 {0x3815, 0x31, 0, 0}, {0x3800, 0x00, 0, 0}, {0x3801, 0x00, 0, 0}, 467 {0x3802, 0x00, 0, 0}, {0x3803, 0x04, 0, 0}, {0x3804, 0x0a, 0, 0}, 468 {0x3805, 0x3f, 0, 0}, {0x3806, 0x07, 0, 0}, {0x3807, 0x9b, 0, 0}, 469 {0x3810, 0x00, 0, 0}, 470 {0x3811, 0x10, 0, 0}, {0x3812, 0x00, 0, 0}, {0x3813, 0x06, 0, 0}, 471 {0x3618, 0x00, 0, 0}, {0x3612, 0x29, 0, 0}, {0x3708, 0x64, 0, 0}, 472 {0x3709, 0x52, 0, 0}, {0x370c, 0x03, 0, 0}, {0x3a02, 0x03, 0, 0}, 473 {0x3a03, 0xd8, 0, 0}, {0x3a08, 0x01, 0, 0}, {0x3a09, 0x27, 0, 0}, 474 {0x3a0a, 0x00, 0, 0}, {0x3a0b, 0xf6, 0, 0}, {0x3a0e, 0x03, 0, 0}, 475 {0x3a0d, 0x04, 0, 0}, {0x3a14, 0x03, 0, 0}, {0x3a15, 0xd8, 0, 0}, 476 {0x4001, 0x02, 0, 0}, {0x4004, 0x02, 0, 0}, {0x4713, 0x03, 0, 0}, 477 {0x4407, 0x04, 0, 0}, {0x460b, 0x35, 0, 0}, {0x460c, 0x22, 0, 0}, 478 {0x3824, 0x02, 0, 0}, {0x5001, 0xa3, 0, 0}, 479 }; 480 481 static const struct reg_value ov5640_setting_15fps_QCIF_176_144[] = { 482 {0x3035, 0x22, 0, 0}, {0x3036, 0x38, 0, 0}, {0x3c07, 0x08, 0, 0}, 483 {0x3c09, 0x1c, 0, 0}, {0x3c0a, 0x9c, 0, 0}, {0x3c0b, 0x40, 0, 0}, 484 {0x3814, 0x31, 0, 0}, 485 {0x3815, 0x31, 0, 0}, {0x3800, 0x00, 0, 0}, {0x3801, 0x00, 0, 0}, 486 {0x3802, 0x00, 0, 0}, {0x3803, 0x04, 0, 0}, {0x3804, 0x0a, 0, 0}, 487 {0x3805, 0x3f, 0, 0}, {0x3806, 0x07, 0, 0}, {0x3807, 0x9b, 0, 0}, 488 {0x3810, 0x00, 0, 0}, 489 {0x3811, 0x10, 0, 0}, {0x3812, 0x00, 0, 0}, {0x3813, 0x06, 0, 0}, 490 {0x3618, 0x00, 0, 0}, {0x3612, 0x29, 0, 0}, {0x3708, 0x64, 0, 0}, 491 {0x3709, 0x52, 0, 0}, {0x370c, 0x03, 0, 0}, {0x3a02, 0x03, 0, 0}, 492 {0x3a03, 0xd8, 0, 0}, {0x3a08, 0x01, 0, 0}, {0x3a09, 0x27, 0, 0}, 493 {0x3a0a, 0x00, 0, 0}, {0x3a0b, 0xf6, 0, 0}, {0x3a0e, 0x03, 0, 0}, 494 {0x3a0d, 0x04, 0, 0}, {0x3a14, 0x03, 0, 0}, {0x3a15, 0xd8, 0, 0}, 495 {0x4001, 0x02, 0, 0}, {0x4004, 0x02, 0, 0}, {0x4713, 0x03, 0, 0}, 496 {0x4407, 0x04, 0, 0}, {0x460b, 0x35, 0, 0}, {0x460c, 0x22, 0, 0}, 497 {0x3824, 0x02, 0, 0}, {0x5001, 0xa3, 0, 0}, 498 }; 499 500 static const struct reg_value ov5640_setting_30fps_NTSC_720_480[] = { 501 {0x3035, 0x12, 0, 0}, {0x3036, 0x38, 0, 0}, {0x3c07, 0x08, 0, 0}, 502 {0x3c09, 0x1c, 0, 0}, {0x3c0a, 0x9c, 0, 0}, {0x3c0b, 0x40, 0, 0}, 503 {0x3814, 0x31, 0, 0}, 504 {0x3815, 0x31, 0, 0}, {0x3800, 0x00, 0, 0}, {0x3801, 0x00, 0, 0}, 505 {0x3802, 0x00, 0, 0}, {0x3803, 0x04, 0, 0}, {0x3804, 0x0a, 0, 0}, 506 {0x3805, 0x3f, 0, 0}, {0x3806, 0x07, 0, 0}, {0x3807, 0x9b, 0, 0}, 507 {0x3810, 0x00, 0, 0}, 508 {0x3811, 0x10, 0, 0}, {0x3812, 0x00, 0, 0}, {0x3813, 0x3c, 0, 0}, 509 {0x3618, 0x00, 0, 0}, {0x3612, 0x29, 0, 0}, {0x3708, 0x64, 0, 0}, 510 {0x3709, 0x52, 0, 0}, {0x370c, 0x03, 0, 0}, {0x3a02, 0x03, 0, 0}, 511 {0x3a03, 0xd8, 0, 0}, {0x3a08, 0x01, 0, 0}, {0x3a09, 0x27, 0, 0}, 512 {0x3a0a, 0x00, 0, 0}, {0x3a0b, 0xf6, 0, 0}, {0x3a0e, 0x03, 0, 0}, 513 {0x3a0d, 0x04, 0, 0}, {0x3a14, 0x03, 0, 0}, {0x3a15, 0xd8, 0, 0}, 514 {0x4001, 0x02, 0, 0}, {0x4004, 0x02, 0, 0}, {0x4713, 0x03, 0, 0}, 515 {0x4407, 0x04, 0, 0}, {0x460b, 0x35, 0, 0}, {0x460c, 0x22, 0, 0}, 516 {0x3824, 0x02, 0, 0}, {0x5001, 0xa3, 0, 0}, 517 }; 518 519 static const struct reg_value ov5640_setting_15fps_NTSC_720_480[] = { 520 {0x3035, 0x22, 0, 0}, {0x3036, 0x38, 0, 0}, {0x3c07, 0x08, 0, 0}, 521 {0x3c09, 0x1c, 0, 0}, {0x3c0a, 0x9c, 0, 0}, {0x3c0b, 0x40, 0, 0}, 522 {0x3814, 0x31, 0, 0}, 523 {0x3815, 0x31, 0, 0}, {0x3800, 0x00, 0, 0}, {0x3801, 0x00, 0, 0}, 524 {0x3802, 0x00, 0, 0}, {0x3803, 0x04, 0, 0}, {0x3804, 0x0a, 0, 0}, 525 {0x3805, 0x3f, 0, 0}, {0x3806, 0x07, 0, 0}, {0x3807, 0x9b, 0, 0}, 526 {0x3810, 0x00, 0, 0}, 527 {0x3811, 0x10, 0, 0}, {0x3812, 0x00, 0, 0}, {0x3813, 0x3c, 0, 0}, 528 {0x3618, 0x00, 0, 0}, {0x3612, 0x29, 0, 0}, {0x3708, 0x64, 0, 0}, 529 {0x3709, 0x52, 0, 0}, {0x370c, 0x03, 0, 0}, {0x3a02, 0x03, 0, 0}, 530 {0x3a03, 0xd8, 0, 0}, {0x3a08, 0x01, 0, 0}, {0x3a09, 0x27, 0, 0}, 531 {0x3a0a, 0x00, 0, 0}, {0x3a0b, 0xf6, 0, 0}, {0x3a0e, 0x03, 0, 0}, 532 {0x3a0d, 0x04, 0, 0}, {0x3a14, 0x03, 0, 0}, {0x3a15, 0xd8, 0, 0}, 533 {0x4001, 0x02, 0, 0}, {0x4004, 0x02, 0, 0}, {0x4713, 0x03, 0, 0}, 534 {0x4407, 0x04, 0, 0}, {0x460b, 0x35, 0, 0}, {0x460c, 0x22, 0, 0}, 535 {0x3824, 0x02, 0, 0}, {0x5001, 0xa3, 0, 0}, 536 }; 537 538 static const struct reg_value ov5640_setting_30fps_PAL_720_576[] = { 539 {0x3035, 0x12, 0, 0}, {0x3036, 0x38, 0, 0}, {0x3c07, 0x08, 0, 0}, 540 {0x3c09, 0x1c, 0, 0}, {0x3c0a, 0x9c, 0, 0}, {0x3c0b, 0x40, 0, 0}, 541 {0x3814, 0x31, 0, 0}, 542 {0x3815, 0x31, 0, 0}, {0x3800, 0x00, 0, 0}, {0x3801, 0x00, 0, 0}, 543 {0x3802, 0x00, 0, 0}, {0x3803, 0x04, 0, 0}, {0x3804, 0x0a, 0, 0}, 544 {0x3805, 0x3f, 0, 0}, {0x3806, 0x07, 0, 0}, {0x3807, 0x9b, 0, 0}, 545 {0x3810, 0x00, 0, 0}, 546 {0x3811, 0x38, 0, 0}, {0x3812, 0x00, 0, 0}, {0x3813, 0x06, 0, 0}, 547 {0x3618, 0x00, 0, 0}, {0x3612, 0x29, 0, 0}, {0x3708, 0x64, 0, 0}, 548 {0x3709, 0x52, 0, 0}, {0x370c, 0x03, 0, 0}, {0x3a02, 0x03, 0, 0}, 549 {0x3a03, 0xd8, 0, 0}, {0x3a08, 0x01, 0, 0}, {0x3a09, 0x27, 0, 0}, 550 {0x3a0a, 0x00, 0, 0}, {0x3a0b, 0xf6, 0, 0}, {0x3a0e, 0x03, 0, 0}, 551 {0x3a0d, 0x04, 0, 0}, {0x3a14, 0x03, 0, 0}, {0x3a15, 0xd8, 0, 0}, 552 {0x4001, 0x02, 0, 0}, {0x4004, 0x02, 0, 0}, {0x4713, 0x03, 0, 0}, 553 {0x4407, 0x04, 0, 0}, {0x460b, 0x35, 0, 0}, {0x460c, 0x22, 0, 0}, 554 {0x3824, 0x02, 0, 0}, {0x5001, 0xa3, 0, 0}, 555 }; 556 557 static const struct reg_value ov5640_setting_15fps_PAL_720_576[] = { 558 {0x3035, 0x22, 0, 0}, {0x3036, 0x38, 0, 0}, {0x3c07, 0x08, 0, 0}, 559 {0x3c09, 0x1c, 0, 0}, {0x3c0a, 0x9c, 0, 0}, {0x3c0b, 0x40, 0, 0}, 560 {0x3814, 0x31, 0, 0}, 561 {0x3815, 0x31, 0, 0}, {0x3800, 0x00, 0, 0}, {0x3801, 0x00, 0, 0}, 562 {0x3802, 0x00, 0, 0}, {0x3803, 0x04, 0, 0}, {0x3804, 0x0a, 0, 0}, 563 {0x3805, 0x3f, 0, 0}, {0x3806, 0x07, 0, 0}, {0x3807, 0x9b, 0, 0}, 564 {0x3810, 0x00, 0, 0}, 565 {0x3811, 0x38, 0, 0}, {0x3812, 0x00, 0, 0}, {0x3813, 0x06, 0, 0}, 566 {0x3618, 0x00, 0, 0}, {0x3612, 0x29, 0, 0}, {0x3708, 0x64, 0, 0}, 567 {0x3709, 0x52, 0, 0}, {0x370c, 0x03, 0, 0}, {0x3a02, 0x03, 0, 0}, 568 {0x3a03, 0xd8, 0, 0}, {0x3a08, 0x01, 0, 0}, {0x3a09, 0x27, 0, 0}, 569 {0x3a0a, 0x00, 0, 0}, {0x3a0b, 0xf6, 0, 0}, {0x3a0e, 0x03, 0, 0}, 570 {0x3a0d, 0x04, 0, 0}, {0x3a14, 0x03, 0, 0}, {0x3a15, 0xd8, 0, 0}, 571 {0x4001, 0x02, 0, 0}, {0x4004, 0x02, 0, 0}, {0x4713, 0x03, 0, 0}, 572 {0x4407, 0x04, 0, 0}, {0x460b, 0x35, 0, 0}, {0x460c, 0x22, 0, 0}, 573 {0x3824, 0x02, 0, 0}, {0x5001, 0xa3, 0, 0}, 574 }; 575 576 static const struct reg_value ov5640_setting_30fps_720P_1280_720[] = { 577 {0x3008, 0x42, 0, 0}, 578 {0x3035, 0x21, 0, 0}, {0x3036, 0x54, 0, 0}, {0x3c07, 0x07, 0, 0}, 579 {0x3c09, 0x1c, 0, 0}, {0x3c0a, 0x9c, 0, 0}, {0x3c0b, 0x40, 0, 0}, 580 {0x3814, 0x31, 0, 0}, 581 {0x3815, 0x31, 0, 0}, {0x3800, 0x00, 0, 0}, {0x3801, 0x00, 0, 0}, 582 {0x3802, 0x00, 0, 0}, {0x3803, 0xfa, 0, 0}, {0x3804, 0x0a, 0, 0}, 583 {0x3805, 0x3f, 0, 0}, {0x3806, 0x06, 0, 0}, {0x3807, 0xa9, 0, 0}, 584 {0x3810, 0x00, 0, 0}, 585 {0x3811, 0x10, 0, 0}, {0x3812, 0x00, 0, 0}, {0x3813, 0x04, 0, 0}, 586 {0x3618, 0x00, 0, 0}, {0x3612, 0x29, 0, 0}, {0x3708, 0x64, 0, 0}, 587 {0x3709, 0x52, 0, 0}, {0x370c, 0x03, 0, 0}, {0x3a02, 0x02, 0, 0}, 588 {0x3a03, 0xe4, 0, 0}, {0x3a08, 0x01, 0, 0}, {0x3a09, 0xbc, 0, 0}, 589 {0x3a0a, 0x01, 0, 0}, {0x3a0b, 0x72, 0, 0}, {0x3a0e, 0x01, 0, 0}, 590 {0x3a0d, 0x02, 0, 0}, {0x3a14, 0x02, 0, 0}, {0x3a15, 0xe4, 0, 0}, 591 {0x4001, 0x02, 0, 0}, {0x4004, 0x02, 0, 0}, {0x4713, 0x02, 0, 0}, 592 {0x4407, 0x04, 0, 0}, {0x460b, 0x37, 0, 0}, {0x460c, 0x20, 0, 0}, 593 {0x3824, 0x04, 0, 0}, {0x5001, 0x83, 0, 0}, {0x4005, 0x1a, 0, 0}, 594 {0x3008, 0x02, 0, 0}, {0x3503, 0, 0, 0}, 595 }; 596 597 static const struct reg_value ov5640_setting_15fps_720P_1280_720[] = { 598 {0x3035, 0x41, 0, 0}, {0x3036, 0x54, 0, 0}, {0x3c07, 0x07, 0, 0}, 599 {0x3c09, 0x1c, 0, 0}, {0x3c0a, 0x9c, 0, 0}, {0x3c0b, 0x40, 0, 0}, 600 {0x3814, 0x31, 0, 0}, 601 {0x3815, 0x31, 0, 0}, {0x3800, 0x00, 0, 0}, {0x3801, 0x00, 0, 0}, 602 {0x3802, 0x00, 0, 0}, {0x3803, 0xfa, 0, 0}, {0x3804, 0x0a, 0, 0}, 603 {0x3805, 0x3f, 0, 0}, {0x3806, 0x06, 0, 0}, {0x3807, 0xa9, 0, 0}, 604 {0x3810, 0x00, 0, 0}, 605 {0x3811, 0x10, 0, 0}, {0x3812, 0x00, 0, 0}, {0x3813, 0x04, 0, 0}, 606 {0x3618, 0x00, 0, 0}, {0x3612, 0x29, 0, 0}, {0x3708, 0x64, 0, 0}, 607 {0x3709, 0x52, 0, 0}, {0x370c, 0x03, 0, 0}, {0x3a02, 0x02, 0, 0}, 608 {0x3a03, 0xe4, 0, 0}, {0x3a08, 0x01, 0, 0}, {0x3a09, 0xbc, 0, 0}, 609 {0x3a0a, 0x01, 0, 0}, {0x3a0b, 0x72, 0, 0}, {0x3a0e, 0x01, 0, 0}, 610 {0x3a0d, 0x02, 0, 0}, {0x3a14, 0x02, 0, 0}, {0x3a15, 0xe4, 0, 0}, 611 {0x4001, 0x02, 0, 0}, {0x4004, 0x02, 0, 0}, {0x4713, 0x03, 0, 0}, 612 {0x4407, 0x04, 0, 0}, {0x460b, 0x37, 0, 0}, {0x460c, 0x20, 0, 0}, 613 {0x3824, 0x04, 0, 0}, {0x5001, 0x83, 0, 0}, 614 }; 615 616 static const struct reg_value ov5640_setting_30fps_1080P_1920_1080[] = { 617 {0x3008, 0x42, 0, 0}, 618 {0x3035, 0x21, 0, 0}, {0x3036, 0x54, 0, 0}, {0x3c07, 0x08, 0, 0}, 619 {0x3c09, 0x1c, 0, 0}, {0x3c0a, 0x9c, 0, 0}, {0x3c0b, 0x40, 0, 0}, 620 {0x3814, 0x11, 0, 0}, 621 {0x3815, 0x11, 0, 0}, {0x3800, 0x00, 0, 0}, {0x3801, 0x00, 0, 0}, 622 {0x3802, 0x00, 0, 0}, {0x3803, 0x00, 0, 0}, {0x3804, 0x0a, 0, 0}, 623 {0x3805, 0x3f, 0, 0}, {0x3806, 0x07, 0, 0}, {0x3807, 0x9f, 0, 0}, 624 {0x3810, 0x00, 0, 0}, 625 {0x3811, 0x10, 0, 0}, {0x3812, 0x00, 0, 0}, {0x3813, 0x04, 0, 0}, 626 {0x3618, 0x04, 0, 0}, {0x3612, 0x29, 0, 0}, {0x3708, 0x21, 0, 0}, 627 {0x3709, 0x12, 0, 0}, {0x370c, 0x00, 0, 0}, {0x3a02, 0x03, 0, 0}, 628 {0x3a03, 0xd8, 0, 0}, {0x3a08, 0x01, 0, 0}, {0x3a09, 0x27, 0, 0}, 629 {0x3a0a, 0x00, 0, 0}, {0x3a0b, 0xf6, 0, 0}, {0x3a0e, 0x03, 0, 0}, 630 {0x3a0d, 0x04, 0, 0}, {0x3a14, 0x03, 0, 0}, {0x3a15, 0xd8, 0, 0}, 631 {0x4001, 0x02, 0, 0}, {0x4004, 0x06, 0, 0}, {0x4713, 0x03, 0, 0}, 632 {0x4407, 0x04, 0, 0}, {0x460b, 0x35, 0, 0}, {0x460c, 0x22, 0, 0}, 633 {0x3824, 0x02, 0, 0}, {0x5001, 0x83, 0, 0}, {0x3035, 0x11, 0, 0}, 634 {0x3036, 0x54, 0, 0}, {0x3c07, 0x07, 0, 0}, {0x3c08, 0x00, 0, 0}, 635 {0x3c09, 0x1c, 0, 0}, {0x3c0a, 0x9c, 0, 0}, {0x3c0b, 0x40, 0, 0}, 636 {0x3800, 0x01, 0, 0}, {0x3801, 0x50, 0, 0}, {0x3802, 0x01, 0, 0}, 637 {0x3803, 0xb2, 0, 0}, {0x3804, 0x08, 0, 0}, {0x3805, 0xef, 0, 0}, 638 {0x3806, 0x05, 0, 0}, {0x3807, 0xf1, 0, 0}, 639 {0x3612, 0x2b, 0, 0}, {0x3708, 0x64, 0, 0}, 640 {0x3a02, 0x04, 0, 0}, {0x3a03, 0x60, 0, 0}, {0x3a08, 0x01, 0, 0}, 641 {0x3a09, 0x50, 0, 0}, {0x3a0a, 0x01, 0, 0}, {0x3a0b, 0x18, 0, 0}, 642 {0x3a0e, 0x03, 0, 0}, {0x3a0d, 0x04, 0, 0}, {0x3a14, 0x04, 0, 0}, 643 {0x3a15, 0x60, 0, 0}, {0x4713, 0x02, 0, 0}, {0x4407, 0x04, 0, 0}, 644 {0x460b, 0x37, 0, 0}, {0x460c, 0x20, 0, 0}, {0x3824, 0x04, 0, 0}, 645 {0x4005, 0x1a, 0, 0}, {0x3008, 0x02, 0, 0}, 646 {0x3503, 0, 0, 0}, 647 }; 648 649 static const struct reg_value ov5640_setting_15fps_1080P_1920_1080[] = { 650 {0x3008, 0x42, 0, 0}, 651 {0x3035, 0x21, 0, 0}, {0x3036, 0x54, 0, 0}, {0x3c07, 0x08, 0, 0}, 652 {0x3c09, 0x1c, 0, 0}, {0x3c0a, 0x9c, 0, 0}, {0x3c0b, 0x40, 0, 0}, 653 {0x3814, 0x11, 0, 0}, 654 {0x3815, 0x11, 0, 0}, {0x3800, 0x00, 0, 0}, {0x3801, 0x00, 0, 0}, 655 {0x3802, 0x00, 0, 0}, {0x3803, 0x00, 0, 0}, {0x3804, 0x0a, 0, 0}, 656 {0x3805, 0x3f, 0, 0}, {0x3806, 0x07, 0, 0}, {0x3807, 0x9f, 0, 0}, 657 {0x3810, 0x00, 0, 0}, 658 {0x3811, 0x10, 0, 0}, {0x3812, 0x00, 0, 0}, {0x3813, 0x04, 0, 0}, 659 {0x3618, 0x04, 0, 0}, {0x3612, 0x29, 0, 0}, {0x3708, 0x21, 0, 0}, 660 {0x3709, 0x12, 0, 0}, {0x370c, 0x00, 0, 0}, {0x3a02, 0x03, 0, 0}, 661 {0x3a03, 0xd8, 0, 0}, {0x3a08, 0x01, 0, 0}, {0x3a09, 0x27, 0, 0}, 662 {0x3a0a, 0x00, 0, 0}, {0x3a0b, 0xf6, 0, 0}, {0x3a0e, 0x03, 0, 0}, 663 {0x3a0d, 0x04, 0, 0}, {0x3a14, 0x03, 0, 0}, {0x3a15, 0xd8, 0, 0}, 664 {0x4001, 0x02, 0, 0}, {0x4004, 0x06, 0, 0}, {0x4713, 0x03, 0, 0}, 665 {0x4407, 0x04, 0, 0}, {0x460b, 0x35, 0, 0}, {0x460c, 0x22, 0, 0}, 666 {0x3824, 0x02, 0, 0}, {0x5001, 0x83, 0, 0}, {0x3035, 0x21, 0, 0}, 667 {0x3036, 0x54, 0, 1}, {0x3c07, 0x07, 0, 0}, {0x3c08, 0x00, 0, 0}, 668 {0x3c09, 0x1c, 0, 0}, {0x3c0a, 0x9c, 0, 0}, {0x3c0b, 0x40, 0, 0}, 669 {0x3800, 0x01, 0, 0}, {0x3801, 0x50, 0, 0}, {0x3802, 0x01, 0, 0}, 670 {0x3803, 0xb2, 0, 0}, {0x3804, 0x08, 0, 0}, {0x3805, 0xef, 0, 0}, 671 {0x3806, 0x05, 0, 0}, {0x3807, 0xf1, 0, 0}, 672 {0x3612, 0x2b, 0, 0}, {0x3708, 0x64, 0, 0}, 673 {0x3a02, 0x04, 0, 0}, {0x3a03, 0x60, 0, 0}, {0x3a08, 0x01, 0, 0}, 674 {0x3a09, 0x50, 0, 0}, {0x3a0a, 0x01, 0, 0}, {0x3a0b, 0x18, 0, 0}, 675 {0x3a0e, 0x03, 0, 0}, {0x3a0d, 0x04, 0, 0}, {0x3a14, 0x04, 0, 0}, 676 {0x3a15, 0x60, 0, 0}, {0x4713, 0x02, 0, 0}, {0x4407, 0x04, 0, 0}, 677 {0x460b, 0x37, 0, 0}, {0x460c, 0x20, 0, 0}, {0x3824, 0x04, 0, 0}, 678 {0x4005, 0x1a, 0, 0}, {0x3008, 0x02, 0, 0}, {0x3503, 0, 0, 0}, 679 }; 680 681 static const struct reg_value ov5640_setting_15fps_QSXGA_2592_1944[] = { 682 {0x3035, 0x21, 0, 0}, {0x3036, 0x54, 0, 0}, {0x3c07, 0x08, 0, 0}, 683 {0x3c09, 0x1c, 0, 0}, {0x3c0a, 0x9c, 0, 0}, {0x3c0b, 0x40, 0, 0}, 684 {0x3814, 0x11, 0, 0}, 685 {0x3815, 0x11, 0, 0}, {0x3800, 0x00, 0, 0}, {0x3801, 0x00, 0, 0}, 686 {0x3802, 0x00, 0, 0}, {0x3803, 0x00, 0, 0}, {0x3804, 0x0a, 0, 0}, 687 {0x3805, 0x3f, 0, 0}, {0x3806, 0x07, 0, 0}, {0x3807, 0x9f, 0, 0}, 688 {0x3810, 0x00, 0, 0}, 689 {0x3811, 0x10, 0, 0}, {0x3812, 0x00, 0, 0}, {0x3813, 0x04, 0, 0}, 690 {0x3618, 0x04, 0, 0}, {0x3612, 0x29, 0, 0}, {0x3708, 0x21, 0, 0}, 691 {0x3709, 0x12, 0, 0}, {0x370c, 0x00, 0, 0}, {0x3a02, 0x03, 0, 0}, 692 {0x3a03, 0xd8, 0, 0}, {0x3a08, 0x01, 0, 0}, {0x3a09, 0x27, 0, 0}, 693 {0x3a0a, 0x00, 0, 0}, {0x3a0b, 0xf6, 0, 0}, {0x3a0e, 0x03, 0, 0}, 694 {0x3a0d, 0x04, 0, 0}, {0x3a14, 0x03, 0, 0}, {0x3a15, 0xd8, 0, 0}, 695 {0x4001, 0x02, 0, 0}, {0x4004, 0x06, 0, 0}, {0x4713, 0x03, 0, 0}, 696 {0x4407, 0x04, 0, 0}, {0x460b, 0x35, 0, 0}, {0x460c, 0x22, 0, 0}, 697 {0x3824, 0x02, 0, 0}, {0x5001, 0x83, 0, 70}, 698 }; 699 700 /* power-on sensor init reg table */ 701 static const struct ov5640_mode_info ov5640_mode_init_data = { 702 0, SUBSAMPLING, 640, 1896, 480, 984, 703 ov5640_init_setting_30fps_VGA, 704 ARRAY_SIZE(ov5640_init_setting_30fps_VGA), 705 }; 706 707 static const struct ov5640_mode_info 708 ov5640_mode_data[OV5640_NUM_FRAMERATES][OV5640_NUM_MODES] = { 709 { 710 {OV5640_MODE_QCIF_176_144, SUBSAMPLING, 711 176, 1896, 144, 984, 712 ov5640_setting_15fps_QCIF_176_144, 713 ARRAY_SIZE(ov5640_setting_15fps_QCIF_176_144)}, 714 {OV5640_MODE_QVGA_320_240, SUBSAMPLING, 715 320, 1896, 240, 984, 716 ov5640_setting_15fps_QVGA_320_240, 717 ARRAY_SIZE(ov5640_setting_15fps_QVGA_320_240)}, 718 {OV5640_MODE_VGA_640_480, SUBSAMPLING, 719 640, 1896, 480, 1080, 720 ov5640_setting_15fps_VGA_640_480, 721 ARRAY_SIZE(ov5640_setting_15fps_VGA_640_480)}, 722 {OV5640_MODE_NTSC_720_480, SUBSAMPLING, 723 720, 1896, 480, 984, 724 ov5640_setting_15fps_NTSC_720_480, 725 ARRAY_SIZE(ov5640_setting_15fps_NTSC_720_480)}, 726 {OV5640_MODE_PAL_720_576, SUBSAMPLING, 727 720, 1896, 576, 984, 728 ov5640_setting_15fps_PAL_720_576, 729 ARRAY_SIZE(ov5640_setting_15fps_PAL_720_576)}, 730 {OV5640_MODE_XGA_1024_768, SUBSAMPLING, 731 1024, 1896, 768, 1080, 732 ov5640_setting_15fps_XGA_1024_768, 733 ARRAY_SIZE(ov5640_setting_15fps_XGA_1024_768)}, 734 {OV5640_MODE_720P_1280_720, SUBSAMPLING, 735 1280, 1892, 720, 740, 736 ov5640_setting_15fps_720P_1280_720, 737 ARRAY_SIZE(ov5640_setting_15fps_720P_1280_720)}, 738 {OV5640_MODE_1080P_1920_1080, SCALING, 739 1920, 2500, 1080, 1120, 740 ov5640_setting_15fps_1080P_1920_1080, 741 ARRAY_SIZE(ov5640_setting_15fps_1080P_1920_1080)}, 742 {OV5640_MODE_QSXGA_2592_1944, SCALING, 743 2592, 2844, 1944, 1968, 744 ov5640_setting_15fps_QSXGA_2592_1944, 745 ARRAY_SIZE(ov5640_setting_15fps_QSXGA_2592_1944)}, 746 }, { 747 {OV5640_MODE_QCIF_176_144, SUBSAMPLING, 748 176, 1896, 144, 984, 749 ov5640_setting_30fps_QCIF_176_144, 750 ARRAY_SIZE(ov5640_setting_30fps_QCIF_176_144)}, 751 {OV5640_MODE_QVGA_320_240, SUBSAMPLING, 752 320, 1896, 240, 984, 753 ov5640_setting_30fps_QVGA_320_240, 754 ARRAY_SIZE(ov5640_setting_30fps_QVGA_320_240)}, 755 {OV5640_MODE_VGA_640_480, SUBSAMPLING, 756 640, 1896, 480, 1080, 757 ov5640_setting_30fps_VGA_640_480, 758 ARRAY_SIZE(ov5640_setting_30fps_VGA_640_480)}, 759 {OV5640_MODE_NTSC_720_480, SUBSAMPLING, 760 720, 1896, 480, 984, 761 ov5640_setting_30fps_NTSC_720_480, 762 ARRAY_SIZE(ov5640_setting_30fps_NTSC_720_480)}, 763 {OV5640_MODE_PAL_720_576, SUBSAMPLING, 764 720, 1896, 576, 984, 765 ov5640_setting_30fps_PAL_720_576, 766 ARRAY_SIZE(ov5640_setting_30fps_PAL_720_576)}, 767 {OV5640_MODE_XGA_1024_768, SUBSAMPLING, 768 1024, 1896, 768, 1080, 769 ov5640_setting_30fps_XGA_1024_768, 770 ARRAY_SIZE(ov5640_setting_30fps_XGA_1024_768)}, 771 {OV5640_MODE_720P_1280_720, SUBSAMPLING, 772 1280, 1892, 720, 740, 773 ov5640_setting_30fps_720P_1280_720, 774 ARRAY_SIZE(ov5640_setting_30fps_720P_1280_720)}, 775 {OV5640_MODE_1080P_1920_1080, SCALING, 776 1920, 2500, 1080, 1120, 777 ov5640_setting_30fps_1080P_1920_1080, 778 ARRAY_SIZE(ov5640_setting_30fps_1080P_1920_1080)}, 779 {OV5640_MODE_QSXGA_2592_1944, -1, 0, 0, 0, 0, NULL, 0}, 780 }, 781 }; 782 783 static int ov5640_init_slave_id(struct ov5640_dev *sensor) 784 { 785 struct i2c_client *client = sensor->i2c_client; 786 struct i2c_msg msg; 787 u8 buf[3]; 788 int ret; 789 790 if (client->addr == OV5640_DEFAULT_SLAVE_ID) 791 return 0; 792 793 buf[0] = OV5640_REG_SLAVE_ID >> 8; 794 buf[1] = OV5640_REG_SLAVE_ID & 0xff; 795 buf[2] = client->addr << 1; 796 797 msg.addr = OV5640_DEFAULT_SLAVE_ID; 798 msg.flags = 0; 799 msg.buf = buf; 800 msg.len = sizeof(buf); 801 802 ret = i2c_transfer(client->adapter, &msg, 1); 803 if (ret < 0) { 804 dev_err(&client->dev, "%s: failed with %d\n", __func__, ret); 805 return ret; 806 } 807 808 return 0; 809 } 810 811 static int ov5640_write_reg(struct ov5640_dev *sensor, u16 reg, u8 val) 812 { 813 struct i2c_client *client = sensor->i2c_client; 814 struct i2c_msg msg; 815 u8 buf[3]; 816 int ret; 817 818 buf[0] = reg >> 8; 819 buf[1] = reg & 0xff; 820 buf[2] = val; 821 822 msg.addr = client->addr; 823 msg.flags = client->flags; 824 msg.buf = buf; 825 msg.len = sizeof(buf); 826 827 ret = i2c_transfer(client->adapter, &msg, 1); 828 if (ret < 0) { 829 dev_err(&client->dev, "%s: error: reg=%x, val=%x\n", 830 __func__, reg, val); 831 return ret; 832 } 833 834 return 0; 835 } 836 837 static int ov5640_read_reg(struct ov5640_dev *sensor, u16 reg, u8 *val) 838 { 839 struct i2c_client *client = sensor->i2c_client; 840 struct i2c_msg msg[2]; 841 u8 buf[2]; 842 int ret; 843 844 buf[0] = reg >> 8; 845 buf[1] = reg & 0xff; 846 847 msg[0].addr = client->addr; 848 msg[0].flags = client->flags; 849 msg[0].buf = buf; 850 msg[0].len = sizeof(buf); 851 852 msg[1].addr = client->addr; 853 msg[1].flags = client->flags | I2C_M_RD; 854 msg[1].buf = buf; 855 msg[1].len = 1; 856 857 ret = i2c_transfer(client->adapter, msg, 2); 858 if (ret < 0) { 859 dev_err(&client->dev, "%s: error: reg=%x\n", 860 __func__, reg); 861 return ret; 862 } 863 864 *val = buf[0]; 865 return 0; 866 } 867 868 static int ov5640_read_reg16(struct ov5640_dev *sensor, u16 reg, u16 *val) 869 { 870 u8 hi, lo; 871 int ret; 872 873 ret = ov5640_read_reg(sensor, reg, &hi); 874 if (ret) 875 return ret; 876 ret = ov5640_read_reg(sensor, reg + 1, &lo); 877 if (ret) 878 return ret; 879 880 *val = ((u16)hi << 8) | (u16)lo; 881 return 0; 882 } 883 884 static int ov5640_write_reg16(struct ov5640_dev *sensor, u16 reg, u16 val) 885 { 886 int ret; 887 888 ret = ov5640_write_reg(sensor, reg, val >> 8); 889 if (ret) 890 return ret; 891 892 return ov5640_write_reg(sensor, reg + 1, val & 0xff); 893 } 894 895 static int ov5640_mod_reg(struct ov5640_dev *sensor, u16 reg, 896 u8 mask, u8 val) 897 { 898 u8 readval; 899 int ret; 900 901 ret = ov5640_read_reg(sensor, reg, &readval); 902 if (ret) 903 return ret; 904 905 readval &= ~mask; 906 val &= mask; 907 val |= readval; 908 909 return ov5640_write_reg(sensor, reg, val); 910 } 911 912 /* download ov5640 settings to sensor through i2c */ 913 static int ov5640_set_timings(struct ov5640_dev *sensor, 914 const struct ov5640_mode_info *mode) 915 { 916 int ret; 917 918 ret = ov5640_write_reg16(sensor, OV5640_REG_TIMING_DVPHO, mode->hact); 919 if (ret < 0) 920 return ret; 921 922 ret = ov5640_write_reg16(sensor, OV5640_REG_TIMING_DVPVO, mode->vact); 923 if (ret < 0) 924 return ret; 925 926 ret = ov5640_write_reg16(sensor, OV5640_REG_TIMING_HTS, mode->htot); 927 if (ret < 0) 928 return ret; 929 930 return ov5640_write_reg16(sensor, OV5640_REG_TIMING_VTS, mode->vtot); 931 } 932 933 static int ov5640_load_regs(struct ov5640_dev *sensor, 934 const struct ov5640_mode_info *mode) 935 { 936 const struct reg_value *regs = mode->reg_data; 937 unsigned int i; 938 u32 delay_ms; 939 u16 reg_addr; 940 u8 mask, val; 941 int ret = 0; 942 943 for (i = 0; i < mode->reg_data_size; ++i, ++regs) { 944 delay_ms = regs->delay_ms; 945 reg_addr = regs->reg_addr; 946 val = regs->val; 947 mask = regs->mask; 948 949 if (mask) 950 ret = ov5640_mod_reg(sensor, reg_addr, mask, val); 951 else 952 ret = ov5640_write_reg(sensor, reg_addr, val); 953 if (ret) 954 break; 955 956 if (delay_ms) 957 usleep_range(1000 * delay_ms, 1000 * delay_ms + 100); 958 } 959 960 return ov5640_set_timings(sensor, mode); 961 } 962 963 static int ov5640_set_autoexposure(struct ov5640_dev *sensor, bool on) 964 { 965 return ov5640_mod_reg(sensor, OV5640_REG_AEC_PK_MANUAL, 966 BIT(0), on ? 0 : BIT(0)); 967 } 968 969 /* read exposure, in number of line periods */ 970 static int ov5640_get_exposure(struct ov5640_dev *sensor) 971 { 972 int exp, ret; 973 u8 temp; 974 975 ret = ov5640_read_reg(sensor, OV5640_REG_AEC_PK_EXPOSURE_HI, &temp); 976 if (ret) 977 return ret; 978 exp = ((int)temp & 0x0f) << 16; 979 ret = ov5640_read_reg(sensor, OV5640_REG_AEC_PK_EXPOSURE_MED, &temp); 980 if (ret) 981 return ret; 982 exp |= ((int)temp << 8); 983 ret = ov5640_read_reg(sensor, OV5640_REG_AEC_PK_EXPOSURE_LO, &temp); 984 if (ret) 985 return ret; 986 exp |= (int)temp; 987 988 return exp >> 4; 989 } 990 991 /* write exposure, given number of line periods */ 992 static int ov5640_set_exposure(struct ov5640_dev *sensor, u32 exposure) 993 { 994 int ret; 995 996 exposure <<= 4; 997 998 ret = ov5640_write_reg(sensor, 999 OV5640_REG_AEC_PK_EXPOSURE_LO, 1000 exposure & 0xff); 1001 if (ret) 1002 return ret; 1003 ret = ov5640_write_reg(sensor, 1004 OV5640_REG_AEC_PK_EXPOSURE_MED, 1005 (exposure >> 8) & 0xff); 1006 if (ret) 1007 return ret; 1008 return ov5640_write_reg(sensor, 1009 OV5640_REG_AEC_PK_EXPOSURE_HI, 1010 (exposure >> 16) & 0x0f); 1011 } 1012 1013 static int ov5640_get_gain(struct ov5640_dev *sensor) 1014 { 1015 u16 gain; 1016 int ret; 1017 1018 ret = ov5640_read_reg16(sensor, OV5640_REG_AEC_PK_REAL_GAIN, &gain); 1019 if (ret) 1020 return ret; 1021 1022 return gain & 0x3ff; 1023 } 1024 1025 static int ov5640_set_gain(struct ov5640_dev *sensor, int gain) 1026 { 1027 return ov5640_write_reg16(sensor, OV5640_REG_AEC_PK_REAL_GAIN, 1028 (u16)gain & 0x3ff); 1029 } 1030 1031 static int ov5640_set_autogain(struct ov5640_dev *sensor, bool on) 1032 { 1033 return ov5640_mod_reg(sensor, OV5640_REG_AEC_PK_MANUAL, 1034 BIT(1), on ? 0 : BIT(1)); 1035 } 1036 1037 static int ov5640_set_stream_dvp(struct ov5640_dev *sensor, bool on) 1038 { 1039 int ret; 1040 unsigned int flags = sensor->ep.bus.parallel.flags; 1041 u8 pclk_pol = 0; 1042 u8 hsync_pol = 0; 1043 u8 vsync_pol = 0; 1044 1045 /* 1046 * Note about parallel port configuration. 1047 * 1048 * When configured in parallel mode, the OV5640 will 1049 * output 10 bits data on DVP data lines [9:0]. 1050 * If only 8 bits data are wanted, the 8 bits data lines 1051 * of the camera interface must be physically connected 1052 * on the DVP data lines [9:2]. 1053 * 1054 * Control lines polarity can be configured through 1055 * devicetree endpoint control lines properties. 1056 * If no endpoint control lines properties are set, 1057 * polarity will be as below: 1058 * - VSYNC: active high 1059 * - HREF: active low 1060 * - PCLK: active low 1061 */ 1062 1063 if (on) { 1064 /* 1065 * reset MIPI PCLK/SERCLK divider 1066 * 1067 * SC PLL CONTRL1 0 1068 * - [3..0]: MIPI PCLK/SERCLK divider 1069 */ 1070 ret = ov5640_mod_reg(sensor, OV5640_REG_SC_PLL_CTRL1, 0x0f, 0); 1071 if (ret) 1072 return ret; 1073 1074 /* 1075 * configure parallel port control lines polarity 1076 * 1077 * POLARITY CTRL0 1078 * - [5]: PCLK polarity (0: active low, 1: active high) 1079 * - [1]: HREF polarity (0: active low, 1: active high) 1080 * - [0]: VSYNC polarity (mismatch here between 1081 * datasheet and hardware, 0 is active high 1082 * and 1 is active low...) 1083 */ 1084 if (flags & V4L2_MBUS_PCLK_SAMPLE_RISING) 1085 pclk_pol = 1; 1086 if (flags & V4L2_MBUS_HSYNC_ACTIVE_HIGH) 1087 hsync_pol = 1; 1088 if (flags & V4L2_MBUS_VSYNC_ACTIVE_LOW) 1089 vsync_pol = 1; 1090 1091 ret = ov5640_write_reg(sensor, 1092 OV5640_REG_POLARITY_CTRL00, 1093 (pclk_pol << 5) | 1094 (hsync_pol << 1) | 1095 vsync_pol); 1096 1097 if (ret) 1098 return ret; 1099 } 1100 1101 /* 1102 * powerdown MIPI TX/RX PHY & disable MIPI 1103 * 1104 * MIPI CONTROL 00 1105 * 4: PWDN PHY TX 1106 * 3: PWDN PHY RX 1107 * 2: MIPI enable 1108 */ 1109 ret = ov5640_write_reg(sensor, 1110 OV5640_REG_IO_MIPI_CTRL00, on ? 0x18 : 0); 1111 if (ret) 1112 return ret; 1113 1114 /* 1115 * enable VSYNC/HREF/PCLK DVP control lines 1116 * & D[9:6] DVP data lines 1117 * 1118 * PAD OUTPUT ENABLE 01 1119 * - 6: VSYNC output enable 1120 * - 5: HREF output enable 1121 * - 4: PCLK output enable 1122 * - [3:0]: D[9:6] output enable 1123 */ 1124 ret = ov5640_write_reg(sensor, 1125 OV5640_REG_PAD_OUTPUT_ENABLE01, 1126 on ? 0x7f : 0); 1127 if (ret) 1128 return ret; 1129 1130 /* 1131 * enable D[5:0] DVP data lines 1132 * 1133 * PAD OUTPUT ENABLE 02 1134 * - [7:2]: D[5:0] output enable 1135 */ 1136 return ov5640_write_reg(sensor, 1137 OV5640_REG_PAD_OUTPUT_ENABLE02, 1138 on ? 0xfc : 0); 1139 } 1140 1141 static int ov5640_set_stream_mipi(struct ov5640_dev *sensor, bool on) 1142 { 1143 int ret; 1144 1145 /* 1146 * Enable/disable the MIPI interface 1147 * 1148 * 0x300e = on ? 0x45 : 0x40 1149 * 1150 * FIXME: the sensor manual (version 2.03) reports 1151 * [7:5] = 000 : 1 data lane mode 1152 * [7:5] = 001 : 2 data lanes mode 1153 * But this settings do not work, while the following ones 1154 * have been validated for 2 data lanes mode. 1155 * 1156 * [7:5] = 010 : 2 data lanes mode 1157 * [4] = 0 : Power up MIPI HS Tx 1158 * [3] = 0 : Power up MIPI LS Rx 1159 * [2] = 1/0 : MIPI interface enable/disable 1160 * [1:0] = 01/00: FIXME: 'debug' 1161 */ 1162 ret = ov5640_write_reg(sensor, OV5640_REG_IO_MIPI_CTRL00, 1163 on ? 0x45 : 0x40); 1164 if (ret) 1165 return ret; 1166 1167 return ov5640_write_reg(sensor, OV5640_REG_FRAME_CTRL01, 1168 on ? 0x00 : 0x0f); 1169 } 1170 1171 static int ov5640_get_sysclk(struct ov5640_dev *sensor) 1172 { 1173 /* calculate sysclk */ 1174 u32 xvclk = sensor->xclk_freq / 10000; 1175 u32 multiplier, prediv, VCO, sysdiv, pll_rdiv; 1176 u32 sclk_rdiv_map[] = {1, 2, 4, 8}; 1177 u32 bit_div2x = 1, sclk_rdiv, sysclk; 1178 u8 temp1, temp2; 1179 int ret; 1180 1181 ret = ov5640_read_reg(sensor, OV5640_REG_SC_PLL_CTRL0, &temp1); 1182 if (ret) 1183 return ret; 1184 temp2 = temp1 & 0x0f; 1185 if (temp2 == 8 || temp2 == 10) 1186 bit_div2x = temp2 / 2; 1187 1188 ret = ov5640_read_reg(sensor, OV5640_REG_SC_PLL_CTRL1, &temp1); 1189 if (ret) 1190 return ret; 1191 sysdiv = temp1 >> 4; 1192 if (sysdiv == 0) 1193 sysdiv = 16; 1194 1195 ret = ov5640_read_reg(sensor, OV5640_REG_SC_PLL_CTRL2, &temp1); 1196 if (ret) 1197 return ret; 1198 multiplier = temp1; 1199 1200 ret = ov5640_read_reg(sensor, OV5640_REG_SC_PLL_CTRL3, &temp1); 1201 if (ret) 1202 return ret; 1203 prediv = temp1 & 0x0f; 1204 pll_rdiv = ((temp1 >> 4) & 0x01) + 1; 1205 1206 ret = ov5640_read_reg(sensor, OV5640_REG_SYS_ROOT_DIVIDER, &temp1); 1207 if (ret) 1208 return ret; 1209 temp2 = temp1 & 0x03; 1210 sclk_rdiv = sclk_rdiv_map[temp2]; 1211 1212 if (!prediv || !sysdiv || !pll_rdiv || !bit_div2x) 1213 return -EINVAL; 1214 1215 VCO = xvclk * multiplier / prediv; 1216 1217 sysclk = VCO / sysdiv / pll_rdiv * 2 / bit_div2x / sclk_rdiv; 1218 1219 return sysclk; 1220 } 1221 1222 static int ov5640_set_night_mode(struct ov5640_dev *sensor) 1223 { 1224 /* read HTS from register settings */ 1225 u8 mode; 1226 int ret; 1227 1228 ret = ov5640_read_reg(sensor, OV5640_REG_AEC_CTRL00, &mode); 1229 if (ret) 1230 return ret; 1231 mode &= 0xfb; 1232 return ov5640_write_reg(sensor, OV5640_REG_AEC_CTRL00, mode); 1233 } 1234 1235 static int ov5640_get_hts(struct ov5640_dev *sensor) 1236 { 1237 /* read HTS from register settings */ 1238 u16 hts; 1239 int ret; 1240 1241 ret = ov5640_read_reg16(sensor, OV5640_REG_TIMING_HTS, &hts); 1242 if (ret) 1243 return ret; 1244 return hts; 1245 } 1246 1247 static int ov5640_get_vts(struct ov5640_dev *sensor) 1248 { 1249 u16 vts; 1250 int ret; 1251 1252 ret = ov5640_read_reg16(sensor, OV5640_REG_TIMING_VTS, &vts); 1253 if (ret) 1254 return ret; 1255 return vts; 1256 } 1257 1258 static int ov5640_set_vts(struct ov5640_dev *sensor, int vts) 1259 { 1260 return ov5640_write_reg16(sensor, OV5640_REG_TIMING_VTS, vts); 1261 } 1262 1263 static int ov5640_get_light_freq(struct ov5640_dev *sensor) 1264 { 1265 /* get banding filter value */ 1266 int ret, light_freq = 0; 1267 u8 temp, temp1; 1268 1269 ret = ov5640_read_reg(sensor, OV5640_REG_HZ5060_CTRL01, &temp); 1270 if (ret) 1271 return ret; 1272 1273 if (temp & 0x80) { 1274 /* manual */ 1275 ret = ov5640_read_reg(sensor, OV5640_REG_HZ5060_CTRL00, 1276 &temp1); 1277 if (ret) 1278 return ret; 1279 if (temp1 & 0x04) { 1280 /* 50Hz */ 1281 light_freq = 50; 1282 } else { 1283 /* 60Hz */ 1284 light_freq = 60; 1285 } 1286 } else { 1287 /* auto */ 1288 ret = ov5640_read_reg(sensor, OV5640_REG_SIGMADELTA_CTRL0C, 1289 &temp1); 1290 if (ret) 1291 return ret; 1292 1293 if (temp1 & 0x01) { 1294 /* 50Hz */ 1295 light_freq = 50; 1296 } else { 1297 /* 60Hz */ 1298 } 1299 } 1300 1301 return light_freq; 1302 } 1303 1304 static int ov5640_set_bandingfilter(struct ov5640_dev *sensor) 1305 { 1306 u32 band_step60, max_band60, band_step50, max_band50, prev_vts; 1307 int ret; 1308 1309 /* read preview PCLK */ 1310 ret = ov5640_get_sysclk(sensor); 1311 if (ret < 0) 1312 return ret; 1313 if (ret == 0) 1314 return -EINVAL; 1315 sensor->prev_sysclk = ret; 1316 /* read preview HTS */ 1317 ret = ov5640_get_hts(sensor); 1318 if (ret < 0) 1319 return ret; 1320 if (ret == 0) 1321 return -EINVAL; 1322 sensor->prev_hts = ret; 1323 1324 /* read preview VTS */ 1325 ret = ov5640_get_vts(sensor); 1326 if (ret < 0) 1327 return ret; 1328 prev_vts = ret; 1329 1330 /* calculate banding filter */ 1331 /* 60Hz */ 1332 band_step60 = sensor->prev_sysclk * 100 / sensor->prev_hts * 100 / 120; 1333 ret = ov5640_write_reg16(sensor, OV5640_REG_AEC_B60_STEP, band_step60); 1334 if (ret) 1335 return ret; 1336 if (!band_step60) 1337 return -EINVAL; 1338 max_band60 = (int)((prev_vts - 4) / band_step60); 1339 ret = ov5640_write_reg(sensor, OV5640_REG_AEC_CTRL0D, max_band60); 1340 if (ret) 1341 return ret; 1342 1343 /* 50Hz */ 1344 band_step50 = sensor->prev_sysclk * 100 / sensor->prev_hts; 1345 ret = ov5640_write_reg16(sensor, OV5640_REG_AEC_B50_STEP, band_step50); 1346 if (ret) 1347 return ret; 1348 if (!band_step50) 1349 return -EINVAL; 1350 max_band50 = (int)((prev_vts - 4) / band_step50); 1351 return ov5640_write_reg(sensor, OV5640_REG_AEC_CTRL0E, max_band50); 1352 } 1353 1354 static int ov5640_set_ae_target(struct ov5640_dev *sensor, int target) 1355 { 1356 /* stable in high */ 1357 u32 fast_high, fast_low; 1358 int ret; 1359 1360 sensor->ae_low = target * 23 / 25; /* 0.92 */ 1361 sensor->ae_high = target * 27 / 25; /* 1.08 */ 1362 1363 fast_high = sensor->ae_high << 1; 1364 if (fast_high > 255) 1365 fast_high = 255; 1366 1367 fast_low = sensor->ae_low >> 1; 1368 1369 ret = ov5640_write_reg(sensor, OV5640_REG_AEC_CTRL0F, sensor->ae_high); 1370 if (ret) 1371 return ret; 1372 ret = ov5640_write_reg(sensor, OV5640_REG_AEC_CTRL10, sensor->ae_low); 1373 if (ret) 1374 return ret; 1375 ret = ov5640_write_reg(sensor, OV5640_REG_AEC_CTRL1B, sensor->ae_high); 1376 if (ret) 1377 return ret; 1378 ret = ov5640_write_reg(sensor, OV5640_REG_AEC_CTRL1E, sensor->ae_low); 1379 if (ret) 1380 return ret; 1381 ret = ov5640_write_reg(sensor, OV5640_REG_AEC_CTRL11, fast_high); 1382 if (ret) 1383 return ret; 1384 return ov5640_write_reg(sensor, OV5640_REG_AEC_CTRL1F, fast_low); 1385 } 1386 1387 static int ov5640_get_binning(struct ov5640_dev *sensor) 1388 { 1389 u8 temp; 1390 int ret; 1391 1392 ret = ov5640_read_reg(sensor, OV5640_REG_TIMING_TC_REG21, &temp); 1393 if (ret) 1394 return ret; 1395 1396 return temp & BIT(0); 1397 } 1398 1399 static int ov5640_set_binning(struct ov5640_dev *sensor, bool enable) 1400 { 1401 int ret; 1402 1403 /* 1404 * TIMING TC REG21: 1405 * - [0]: Horizontal binning enable 1406 */ 1407 ret = ov5640_mod_reg(sensor, OV5640_REG_TIMING_TC_REG21, 1408 BIT(0), enable ? BIT(0) : 0); 1409 if (ret) 1410 return ret; 1411 /* 1412 * TIMING TC REG20: 1413 * - [0]: Undocumented, but hardcoded init sequences 1414 * are always setting REG21/REG20 bit 0 to same value... 1415 */ 1416 return ov5640_mod_reg(sensor, OV5640_REG_TIMING_TC_REG20, 1417 BIT(0), enable ? BIT(0) : 0); 1418 } 1419 1420 static int ov5640_set_virtual_channel(struct ov5640_dev *sensor) 1421 { 1422 struct i2c_client *client = sensor->i2c_client; 1423 u8 temp, channel = virtual_channel; 1424 int ret; 1425 1426 if (channel > 3) { 1427 dev_err(&client->dev, 1428 "%s: wrong virtual_channel parameter, expected (0..3), got %d\n", 1429 __func__, channel); 1430 return -EINVAL; 1431 } 1432 1433 ret = ov5640_read_reg(sensor, OV5640_REG_DEBUG_MODE, &temp); 1434 if (ret) 1435 return ret; 1436 temp &= ~(3 << 6); 1437 temp |= (channel << 6); 1438 return ov5640_write_reg(sensor, OV5640_REG_DEBUG_MODE, temp); 1439 } 1440 1441 static const struct ov5640_mode_info * 1442 ov5640_find_mode(struct ov5640_dev *sensor, enum ov5640_frame_rate fr, 1443 int width, int height, bool nearest) 1444 { 1445 const struct ov5640_mode_info *mode; 1446 1447 mode = v4l2_find_nearest_size(ov5640_mode_data[fr], 1448 ARRAY_SIZE(ov5640_mode_data[fr]), 1449 hact, vact, 1450 width, height); 1451 1452 if (!mode || 1453 (!nearest && (mode->hact != width || mode->vact != height))) 1454 return NULL; 1455 1456 return mode; 1457 } 1458 1459 /* 1460 * sensor changes between scaling and subsampling, go through 1461 * exposure calculation 1462 */ 1463 static int ov5640_set_mode_exposure_calc(struct ov5640_dev *sensor, 1464 const struct ov5640_mode_info *mode) 1465 { 1466 u32 prev_shutter, prev_gain16; 1467 u32 cap_shutter, cap_gain16; 1468 u32 cap_sysclk, cap_hts, cap_vts; 1469 u32 light_freq, cap_bandfilt, cap_maxband; 1470 u32 cap_gain16_shutter; 1471 u8 average; 1472 int ret; 1473 1474 if (!mode->reg_data) 1475 return -EINVAL; 1476 1477 /* read preview shutter */ 1478 ret = ov5640_get_exposure(sensor); 1479 if (ret < 0) 1480 return ret; 1481 prev_shutter = ret; 1482 ret = ov5640_get_binning(sensor); 1483 if (ret < 0) 1484 return ret; 1485 if (ret && mode->id != OV5640_MODE_720P_1280_720 && 1486 mode->id != OV5640_MODE_1080P_1920_1080) 1487 prev_shutter *= 2; 1488 1489 /* read preview gain */ 1490 ret = ov5640_get_gain(sensor); 1491 if (ret < 0) 1492 return ret; 1493 prev_gain16 = ret; 1494 1495 /* get average */ 1496 ret = ov5640_read_reg(sensor, OV5640_REG_AVG_READOUT, &average); 1497 if (ret) 1498 return ret; 1499 1500 /* turn off night mode for capture */ 1501 ret = ov5640_set_night_mode(sensor); 1502 if (ret < 0) 1503 return ret; 1504 1505 /* Write capture setting */ 1506 ret = ov5640_load_regs(sensor, mode); 1507 if (ret < 0) 1508 return ret; 1509 1510 /* read capture VTS */ 1511 ret = ov5640_get_vts(sensor); 1512 if (ret < 0) 1513 return ret; 1514 cap_vts = ret; 1515 ret = ov5640_get_hts(sensor); 1516 if (ret < 0) 1517 return ret; 1518 if (ret == 0) 1519 return -EINVAL; 1520 cap_hts = ret; 1521 1522 ret = ov5640_get_sysclk(sensor); 1523 if (ret < 0) 1524 return ret; 1525 if (ret == 0) 1526 return -EINVAL; 1527 cap_sysclk = ret; 1528 1529 /* calculate capture banding filter */ 1530 ret = ov5640_get_light_freq(sensor); 1531 if (ret < 0) 1532 return ret; 1533 light_freq = ret; 1534 1535 if (light_freq == 60) { 1536 /* 60Hz */ 1537 cap_bandfilt = cap_sysclk * 100 / cap_hts * 100 / 120; 1538 } else { 1539 /* 50Hz */ 1540 cap_bandfilt = cap_sysclk * 100 / cap_hts; 1541 } 1542 1543 if (!sensor->prev_sysclk) { 1544 ret = ov5640_get_sysclk(sensor); 1545 if (ret < 0) 1546 return ret; 1547 if (ret == 0) 1548 return -EINVAL; 1549 sensor->prev_sysclk = ret; 1550 } 1551 1552 if (!cap_bandfilt) 1553 return -EINVAL; 1554 1555 cap_maxband = (int)((cap_vts - 4) / cap_bandfilt); 1556 1557 /* calculate capture shutter/gain16 */ 1558 if (average > sensor->ae_low && average < sensor->ae_high) { 1559 /* in stable range */ 1560 cap_gain16_shutter = 1561 prev_gain16 * prev_shutter * 1562 cap_sysclk / sensor->prev_sysclk * 1563 sensor->prev_hts / cap_hts * 1564 sensor->ae_target / average; 1565 } else { 1566 cap_gain16_shutter = 1567 prev_gain16 * prev_shutter * 1568 cap_sysclk / sensor->prev_sysclk * 1569 sensor->prev_hts / cap_hts; 1570 } 1571 1572 /* gain to shutter */ 1573 if (cap_gain16_shutter < (cap_bandfilt * 16)) { 1574 /* shutter < 1/100 */ 1575 cap_shutter = cap_gain16_shutter / 16; 1576 if (cap_shutter < 1) 1577 cap_shutter = 1; 1578 1579 cap_gain16 = cap_gain16_shutter / cap_shutter; 1580 if (cap_gain16 < 16) 1581 cap_gain16 = 16; 1582 } else { 1583 if (cap_gain16_shutter > (cap_bandfilt * cap_maxband * 16)) { 1584 /* exposure reach max */ 1585 cap_shutter = cap_bandfilt * cap_maxband; 1586 if (!cap_shutter) 1587 return -EINVAL; 1588 1589 cap_gain16 = cap_gain16_shutter / cap_shutter; 1590 } else { 1591 /* 1/100 < (cap_shutter = n/100) =< max */ 1592 cap_shutter = 1593 ((int)(cap_gain16_shutter / 16 / cap_bandfilt)) 1594 * cap_bandfilt; 1595 if (!cap_shutter) 1596 return -EINVAL; 1597 1598 cap_gain16 = cap_gain16_shutter / cap_shutter; 1599 } 1600 } 1601 1602 /* set capture gain */ 1603 ret = ov5640_set_gain(sensor, cap_gain16); 1604 if (ret) 1605 return ret; 1606 1607 /* write capture shutter */ 1608 if (cap_shutter > (cap_vts - 4)) { 1609 cap_vts = cap_shutter + 4; 1610 ret = ov5640_set_vts(sensor, cap_vts); 1611 if (ret < 0) 1612 return ret; 1613 } 1614 1615 /* set exposure */ 1616 return ov5640_set_exposure(sensor, cap_shutter); 1617 } 1618 1619 /* 1620 * if sensor changes inside scaling or subsampling 1621 * change mode directly 1622 */ 1623 static int ov5640_set_mode_direct(struct ov5640_dev *sensor, 1624 const struct ov5640_mode_info *mode) 1625 { 1626 if (!mode->reg_data) 1627 return -EINVAL; 1628 1629 /* Write capture setting */ 1630 return ov5640_load_regs(sensor, mode); 1631 } 1632 1633 static int ov5640_set_mode(struct ov5640_dev *sensor) 1634 { 1635 const struct ov5640_mode_info *mode = sensor->current_mode; 1636 const struct ov5640_mode_info *orig_mode = sensor->last_mode; 1637 enum ov5640_downsize_mode dn_mode, orig_dn_mode; 1638 bool auto_gain = sensor->ctrls.auto_gain->val == 1; 1639 bool auto_exp = sensor->ctrls.auto_exp->val == V4L2_EXPOSURE_AUTO; 1640 int ret; 1641 1642 dn_mode = mode->dn_mode; 1643 orig_dn_mode = orig_mode->dn_mode; 1644 1645 /* auto gain and exposure must be turned off when changing modes */ 1646 if (auto_gain) { 1647 ret = ov5640_set_autogain(sensor, false); 1648 if (ret) 1649 return ret; 1650 } 1651 1652 if (auto_exp) { 1653 ret = ov5640_set_autoexposure(sensor, false); 1654 if (ret) 1655 goto restore_auto_gain; 1656 } 1657 1658 if ((dn_mode == SUBSAMPLING && orig_dn_mode == SCALING) || 1659 (dn_mode == SCALING && orig_dn_mode == SUBSAMPLING)) { 1660 /* 1661 * change between subsampling and scaling 1662 * go through exposure calculation 1663 */ 1664 ret = ov5640_set_mode_exposure_calc(sensor, mode); 1665 } else { 1666 /* 1667 * change inside subsampling or scaling 1668 * download firmware directly 1669 */ 1670 ret = ov5640_set_mode_direct(sensor, mode); 1671 } 1672 if (ret < 0) 1673 goto restore_auto_exp_gain; 1674 1675 /* restore auto gain and exposure */ 1676 if (auto_gain) 1677 ov5640_set_autogain(sensor, true); 1678 if (auto_exp) 1679 ov5640_set_autoexposure(sensor, true); 1680 1681 ret = ov5640_set_binning(sensor, dn_mode != SCALING); 1682 if (ret < 0) 1683 return ret; 1684 ret = ov5640_set_ae_target(sensor, sensor->ae_target); 1685 if (ret < 0) 1686 return ret; 1687 ret = ov5640_get_light_freq(sensor); 1688 if (ret < 0) 1689 return ret; 1690 ret = ov5640_set_bandingfilter(sensor); 1691 if (ret < 0) 1692 return ret; 1693 ret = ov5640_set_virtual_channel(sensor); 1694 if (ret < 0) 1695 return ret; 1696 1697 sensor->pending_mode_change = false; 1698 sensor->last_mode = mode; 1699 1700 return 0; 1701 1702 restore_auto_exp_gain: 1703 if (auto_exp) 1704 ov5640_set_autoexposure(sensor, true); 1705 restore_auto_gain: 1706 if (auto_gain) 1707 ov5640_set_autogain(sensor, true); 1708 1709 return ret; 1710 } 1711 1712 static int ov5640_set_framefmt(struct ov5640_dev *sensor, 1713 struct v4l2_mbus_framefmt *format); 1714 1715 /* restore the last set video mode after chip power-on */ 1716 static int ov5640_restore_mode(struct ov5640_dev *sensor) 1717 { 1718 int ret; 1719 1720 /* first load the initial register values */ 1721 ret = ov5640_load_regs(sensor, &ov5640_mode_init_data); 1722 if (ret < 0) 1723 return ret; 1724 sensor->last_mode = &ov5640_mode_init_data; 1725 1726 ret = ov5640_mod_reg(sensor, OV5640_REG_SYS_ROOT_DIVIDER, 0x3f, 1727 (ilog2(OV5640_SCLK2X_ROOT_DIVIDER_DEFAULT) << 2) | 1728 ilog2(OV5640_SCLK_ROOT_DIVIDER_DEFAULT)); 1729 if (ret) 1730 return ret; 1731 1732 /* now restore the last capture mode */ 1733 ret = ov5640_set_mode(sensor); 1734 if (ret < 0) 1735 return ret; 1736 1737 return ov5640_set_framefmt(sensor, &sensor->fmt); 1738 } 1739 1740 static void ov5640_power(struct ov5640_dev *sensor, bool enable) 1741 { 1742 gpiod_set_value_cansleep(sensor->pwdn_gpio, enable ? 0 : 1); 1743 } 1744 1745 static void ov5640_reset(struct ov5640_dev *sensor) 1746 { 1747 if (!sensor->reset_gpio) 1748 return; 1749 1750 gpiod_set_value_cansleep(sensor->reset_gpio, 0); 1751 1752 /* camera power cycle */ 1753 ov5640_power(sensor, false); 1754 usleep_range(5000, 10000); 1755 ov5640_power(sensor, true); 1756 usleep_range(5000, 10000); 1757 1758 gpiod_set_value_cansleep(sensor->reset_gpio, 1); 1759 usleep_range(1000, 2000); 1760 1761 gpiod_set_value_cansleep(sensor->reset_gpio, 0); 1762 usleep_range(5000, 10000); 1763 } 1764 1765 static int ov5640_set_power_on(struct ov5640_dev *sensor) 1766 { 1767 struct i2c_client *client = sensor->i2c_client; 1768 int ret; 1769 1770 ret = clk_prepare_enable(sensor->xclk); 1771 if (ret) { 1772 dev_err(&client->dev, "%s: failed to enable clock\n", 1773 __func__); 1774 return ret; 1775 } 1776 1777 ret = regulator_bulk_enable(OV5640_NUM_SUPPLIES, 1778 sensor->supplies); 1779 if (ret) { 1780 dev_err(&client->dev, "%s: failed to enable regulators\n", 1781 __func__); 1782 goto xclk_off; 1783 } 1784 1785 ov5640_reset(sensor); 1786 ov5640_power(sensor, true); 1787 1788 ret = ov5640_init_slave_id(sensor); 1789 if (ret) 1790 goto power_off; 1791 1792 return 0; 1793 1794 power_off: 1795 ov5640_power(sensor, false); 1796 regulator_bulk_disable(OV5640_NUM_SUPPLIES, sensor->supplies); 1797 xclk_off: 1798 clk_disable_unprepare(sensor->xclk); 1799 return ret; 1800 } 1801 1802 static void ov5640_set_power_off(struct ov5640_dev *sensor) 1803 { 1804 ov5640_power(sensor, false); 1805 regulator_bulk_disable(OV5640_NUM_SUPPLIES, sensor->supplies); 1806 clk_disable_unprepare(sensor->xclk); 1807 } 1808 1809 static int ov5640_set_power(struct ov5640_dev *sensor, bool on) 1810 { 1811 int ret = 0; 1812 1813 if (on) { 1814 ret = ov5640_set_power_on(sensor); 1815 if (ret) 1816 return ret; 1817 1818 ret = ov5640_restore_mode(sensor); 1819 if (ret) 1820 goto power_off; 1821 1822 /* We're done here for DVP bus, while CSI-2 needs setup. */ 1823 if (sensor->ep.bus_type != V4L2_MBUS_CSI2_DPHY) 1824 return 0; 1825 1826 /* 1827 * Power up MIPI HS Tx and LS Rx; 2 data lanes mode 1828 * 1829 * 0x300e = 0x40 1830 * [7:5] = 010 : 2 data lanes mode (see FIXME note in 1831 * "ov5640_set_stream_mipi()") 1832 * [4] = 0 : Power up MIPI HS Tx 1833 * [3] = 0 : Power up MIPI LS Rx 1834 * [2] = 0 : MIPI interface disabled 1835 */ 1836 ret = ov5640_write_reg(sensor, 1837 OV5640_REG_IO_MIPI_CTRL00, 0x40); 1838 if (ret) 1839 goto power_off; 1840 1841 /* 1842 * Gate clock and set LP11 in 'no packets mode' (idle) 1843 * 1844 * 0x4800 = 0x24 1845 * [5] = 1 : Gate clock when 'no packets' 1846 * [2] = 1 : MIPI bus in LP11 when 'no packets' 1847 */ 1848 ret = ov5640_write_reg(sensor, 1849 OV5640_REG_MIPI_CTRL00, 0x24); 1850 if (ret) 1851 goto power_off; 1852 1853 /* 1854 * Set data lanes and clock in LP11 when 'sleeping' 1855 * 1856 * 0x3019 = 0x70 1857 * [6] = 1 : MIPI data lane 2 in LP11 when 'sleeping' 1858 * [5] = 1 : MIPI data lane 1 in LP11 when 'sleeping' 1859 * [4] = 1 : MIPI clock lane in LP11 when 'sleeping' 1860 */ 1861 ret = ov5640_write_reg(sensor, 1862 OV5640_REG_PAD_OUTPUT00, 0x70); 1863 if (ret) 1864 goto power_off; 1865 1866 /* Give lanes some time to coax into LP11 state. */ 1867 usleep_range(500, 1000); 1868 1869 } else { 1870 if (sensor->ep.bus_type == V4L2_MBUS_CSI2_DPHY) { 1871 /* Reset MIPI bus settings to their default values. */ 1872 ov5640_write_reg(sensor, 1873 OV5640_REG_IO_MIPI_CTRL00, 0x58); 1874 ov5640_write_reg(sensor, 1875 OV5640_REG_MIPI_CTRL00, 0x04); 1876 ov5640_write_reg(sensor, 1877 OV5640_REG_PAD_OUTPUT00, 0x00); 1878 } 1879 1880 ov5640_set_power_off(sensor); 1881 } 1882 1883 return 0; 1884 1885 power_off: 1886 ov5640_set_power_off(sensor); 1887 return ret; 1888 } 1889 1890 /* --------------- Subdev Operations --------------- */ 1891 1892 static int ov5640_s_power(struct v4l2_subdev *sd, int on) 1893 { 1894 struct ov5640_dev *sensor = to_ov5640_dev(sd); 1895 int ret = 0; 1896 1897 mutex_lock(&sensor->lock); 1898 1899 /* 1900 * If the power count is modified from 0 to != 0 or from != 0 to 0, 1901 * update the power state. 1902 */ 1903 if (sensor->power_count == !on) { 1904 ret = ov5640_set_power(sensor, !!on); 1905 if (ret) 1906 goto out; 1907 } 1908 1909 /* Update the power count. */ 1910 sensor->power_count += on ? 1 : -1; 1911 WARN_ON(sensor->power_count < 0); 1912 out: 1913 mutex_unlock(&sensor->lock); 1914 1915 if (on && !ret && sensor->power_count == 1) { 1916 /* restore controls */ 1917 ret = v4l2_ctrl_handler_setup(&sensor->ctrls.handler); 1918 } 1919 1920 return ret; 1921 } 1922 1923 static int ov5640_try_frame_interval(struct ov5640_dev *sensor, 1924 struct v4l2_fract *fi, 1925 u32 width, u32 height) 1926 { 1927 const struct ov5640_mode_info *mode; 1928 u32 minfps, maxfps, fps; 1929 int ret; 1930 1931 minfps = ov5640_framerates[OV5640_15_FPS]; 1932 maxfps = ov5640_framerates[OV5640_30_FPS]; 1933 1934 if (fi->numerator == 0) { 1935 fi->denominator = maxfps; 1936 fi->numerator = 1; 1937 return OV5640_30_FPS; 1938 } 1939 1940 fps = DIV_ROUND_CLOSEST(fi->denominator, fi->numerator); 1941 1942 fi->numerator = 1; 1943 if (fps > maxfps) 1944 fi->denominator = maxfps; 1945 else if (fps < minfps) 1946 fi->denominator = minfps; 1947 else if (2 * fps >= 2 * minfps + (maxfps - minfps)) 1948 fi->denominator = maxfps; 1949 else 1950 fi->denominator = minfps; 1951 1952 ret = (fi->denominator == minfps) ? OV5640_15_FPS : OV5640_30_FPS; 1953 1954 mode = ov5640_find_mode(sensor, ret, width, height, false); 1955 return mode ? ret : -EINVAL; 1956 } 1957 1958 static int ov5640_get_fmt(struct v4l2_subdev *sd, 1959 struct v4l2_subdev_pad_config *cfg, 1960 struct v4l2_subdev_format *format) 1961 { 1962 struct ov5640_dev *sensor = to_ov5640_dev(sd); 1963 struct v4l2_mbus_framefmt *fmt; 1964 1965 if (format->pad != 0) 1966 return -EINVAL; 1967 1968 mutex_lock(&sensor->lock); 1969 1970 if (format->which == V4L2_SUBDEV_FORMAT_TRY) 1971 fmt = v4l2_subdev_get_try_format(&sensor->sd, cfg, 1972 format->pad); 1973 else 1974 fmt = &sensor->fmt; 1975 1976 format->format = *fmt; 1977 1978 mutex_unlock(&sensor->lock); 1979 1980 return 0; 1981 } 1982 1983 static int ov5640_try_fmt_internal(struct v4l2_subdev *sd, 1984 struct v4l2_mbus_framefmt *fmt, 1985 enum ov5640_frame_rate fr, 1986 const struct ov5640_mode_info **new_mode) 1987 { 1988 struct ov5640_dev *sensor = to_ov5640_dev(sd); 1989 const struct ov5640_mode_info *mode; 1990 int i; 1991 1992 mode = ov5640_find_mode(sensor, fr, fmt->width, fmt->height, true); 1993 if (!mode) 1994 return -EINVAL; 1995 fmt->width = mode->hact; 1996 fmt->height = mode->vact; 1997 1998 if (new_mode) 1999 *new_mode = mode; 2000 2001 for (i = 0; i < ARRAY_SIZE(ov5640_formats); i++) 2002 if (ov5640_formats[i].code == fmt->code) 2003 break; 2004 if (i >= ARRAY_SIZE(ov5640_formats)) 2005 i = 0; 2006 2007 fmt->code = ov5640_formats[i].code; 2008 fmt->colorspace = ov5640_formats[i].colorspace; 2009 fmt->ycbcr_enc = V4L2_MAP_YCBCR_ENC_DEFAULT(fmt->colorspace); 2010 fmt->quantization = V4L2_QUANTIZATION_FULL_RANGE; 2011 fmt->xfer_func = V4L2_MAP_XFER_FUNC_DEFAULT(fmt->colorspace); 2012 2013 return 0; 2014 } 2015 2016 static int ov5640_set_fmt(struct v4l2_subdev *sd, 2017 struct v4l2_subdev_pad_config *cfg, 2018 struct v4l2_subdev_format *format) 2019 { 2020 struct ov5640_dev *sensor = to_ov5640_dev(sd); 2021 const struct ov5640_mode_info *new_mode; 2022 struct v4l2_mbus_framefmt *mbus_fmt = &format->format; 2023 int ret; 2024 2025 if (format->pad != 0) 2026 return -EINVAL; 2027 2028 mutex_lock(&sensor->lock); 2029 2030 if (sensor->streaming) { 2031 ret = -EBUSY; 2032 goto out; 2033 } 2034 2035 ret = ov5640_try_fmt_internal(sd, mbus_fmt, 2036 sensor->current_fr, &new_mode); 2037 if (ret) 2038 goto out; 2039 2040 if (format->which == V4L2_SUBDEV_FORMAT_TRY) { 2041 struct v4l2_mbus_framefmt *fmt = 2042 v4l2_subdev_get_try_format(sd, cfg, 0); 2043 2044 *fmt = *mbus_fmt; 2045 goto out; 2046 } 2047 2048 if (new_mode != sensor->current_mode) { 2049 sensor->current_mode = new_mode; 2050 sensor->pending_mode_change = true; 2051 } 2052 if (mbus_fmt->code != sensor->fmt.code) { 2053 sensor->fmt = *mbus_fmt; 2054 sensor->pending_fmt_change = true; 2055 } 2056 out: 2057 mutex_unlock(&sensor->lock); 2058 return ret; 2059 } 2060 2061 static int ov5640_set_framefmt(struct ov5640_dev *sensor, 2062 struct v4l2_mbus_framefmt *format) 2063 { 2064 int ret = 0; 2065 bool is_rgb = false; 2066 bool is_jpeg = false; 2067 u8 val; 2068 2069 switch (format->code) { 2070 case MEDIA_BUS_FMT_UYVY8_2X8: 2071 /* YUV422, UYVY */ 2072 val = 0x3f; 2073 break; 2074 case MEDIA_BUS_FMT_YUYV8_2X8: 2075 /* YUV422, YUYV */ 2076 val = 0x30; 2077 break; 2078 case MEDIA_BUS_FMT_RGB565_2X8_LE: 2079 /* RGB565 {g[2:0],b[4:0]},{r[4:0],g[5:3]} */ 2080 val = 0x6F; 2081 is_rgb = true; 2082 break; 2083 case MEDIA_BUS_FMT_RGB565_2X8_BE: 2084 /* RGB565 {r[4:0],g[5:3]},{g[2:0],b[4:0]} */ 2085 val = 0x61; 2086 is_rgb = true; 2087 break; 2088 case MEDIA_BUS_FMT_JPEG_1X8: 2089 /* YUV422, YUYV */ 2090 val = 0x30; 2091 is_jpeg = true; 2092 break; 2093 default: 2094 return -EINVAL; 2095 } 2096 2097 /* FORMAT CONTROL00: YUV and RGB formatting */ 2098 ret = ov5640_write_reg(sensor, OV5640_REG_FORMAT_CONTROL00, val); 2099 if (ret) 2100 return ret; 2101 2102 /* FORMAT MUX CONTROL: ISP YUV or RGB */ 2103 ret = ov5640_write_reg(sensor, OV5640_REG_ISP_FORMAT_MUX_CTRL, 2104 is_rgb ? 0x01 : 0x00); 2105 if (ret) 2106 return ret; 2107 2108 /* 2109 * TIMING TC REG21: 2110 * - [5]: JPEG enable 2111 */ 2112 ret = ov5640_mod_reg(sensor, OV5640_REG_TIMING_TC_REG21, 2113 BIT(5), is_jpeg ? BIT(5) : 0); 2114 if (ret) 2115 return ret; 2116 2117 /* 2118 * SYSTEM RESET02: 2119 * - [4]: Reset JFIFO 2120 * - [3]: Reset SFIFO 2121 * - [2]: Reset JPEG 2122 */ 2123 ret = ov5640_mod_reg(sensor, OV5640_REG_SYS_RESET02, 2124 BIT(4) | BIT(3) | BIT(2), 2125 is_jpeg ? 0 : (BIT(4) | BIT(3) | BIT(2))); 2126 if (ret) 2127 return ret; 2128 2129 /* 2130 * CLOCK ENABLE02: 2131 * - [5]: Enable JPEG 2x clock 2132 * - [3]: Enable JPEG clock 2133 */ 2134 return ov5640_mod_reg(sensor, OV5640_REG_SYS_CLOCK_ENABLE02, 2135 BIT(5) | BIT(3), 2136 is_jpeg ? (BIT(5) | BIT(3)) : 0); 2137 } 2138 2139 /* 2140 * Sensor Controls. 2141 */ 2142 2143 static int ov5640_set_ctrl_hue(struct ov5640_dev *sensor, int value) 2144 { 2145 int ret; 2146 2147 if (value) { 2148 ret = ov5640_mod_reg(sensor, OV5640_REG_SDE_CTRL0, 2149 BIT(0), BIT(0)); 2150 if (ret) 2151 return ret; 2152 ret = ov5640_write_reg16(sensor, OV5640_REG_SDE_CTRL1, value); 2153 } else { 2154 ret = ov5640_mod_reg(sensor, OV5640_REG_SDE_CTRL0, BIT(0), 0); 2155 } 2156 2157 return ret; 2158 } 2159 2160 static int ov5640_set_ctrl_contrast(struct ov5640_dev *sensor, int value) 2161 { 2162 int ret; 2163 2164 if (value) { 2165 ret = ov5640_mod_reg(sensor, OV5640_REG_SDE_CTRL0, 2166 BIT(2), BIT(2)); 2167 if (ret) 2168 return ret; 2169 ret = ov5640_write_reg(sensor, OV5640_REG_SDE_CTRL5, 2170 value & 0xff); 2171 } else { 2172 ret = ov5640_mod_reg(sensor, OV5640_REG_SDE_CTRL0, BIT(2), 0); 2173 } 2174 2175 return ret; 2176 } 2177 2178 static int ov5640_set_ctrl_saturation(struct ov5640_dev *sensor, int value) 2179 { 2180 int ret; 2181 2182 if (value) { 2183 ret = ov5640_mod_reg(sensor, OV5640_REG_SDE_CTRL0, 2184 BIT(1), BIT(1)); 2185 if (ret) 2186 return ret; 2187 ret = ov5640_write_reg(sensor, OV5640_REG_SDE_CTRL3, 2188 value & 0xff); 2189 if (ret) 2190 return ret; 2191 ret = ov5640_write_reg(sensor, OV5640_REG_SDE_CTRL4, 2192 value & 0xff); 2193 } else { 2194 ret = ov5640_mod_reg(sensor, OV5640_REG_SDE_CTRL0, BIT(1), 0); 2195 } 2196 2197 return ret; 2198 } 2199 2200 static int ov5640_set_ctrl_white_balance(struct ov5640_dev *sensor, int awb) 2201 { 2202 int ret; 2203 2204 ret = ov5640_mod_reg(sensor, OV5640_REG_AWB_MANUAL_CTRL, 2205 BIT(0), awb ? 0 : 1); 2206 if (ret) 2207 return ret; 2208 2209 if (!awb) { 2210 u16 red = (u16)sensor->ctrls.red_balance->val; 2211 u16 blue = (u16)sensor->ctrls.blue_balance->val; 2212 2213 ret = ov5640_write_reg16(sensor, OV5640_REG_AWB_R_GAIN, red); 2214 if (ret) 2215 return ret; 2216 ret = ov5640_write_reg16(sensor, OV5640_REG_AWB_B_GAIN, blue); 2217 } 2218 2219 return ret; 2220 } 2221 2222 static int ov5640_set_ctrl_exposure(struct ov5640_dev *sensor, 2223 enum v4l2_exposure_auto_type auto_exposure) 2224 { 2225 struct ov5640_ctrls *ctrls = &sensor->ctrls; 2226 bool auto_exp = (auto_exposure == V4L2_EXPOSURE_AUTO); 2227 int ret = 0; 2228 2229 if (ctrls->auto_exp->is_new) { 2230 ret = ov5640_set_autoexposure(sensor, auto_exp); 2231 if (ret) 2232 return ret; 2233 } 2234 2235 if (!auto_exp && ctrls->exposure->is_new) { 2236 u16 max_exp; 2237 2238 ret = ov5640_read_reg16(sensor, OV5640_REG_AEC_PK_VTS, 2239 &max_exp); 2240 if (ret) 2241 return ret; 2242 ret = ov5640_get_vts(sensor); 2243 if (ret < 0) 2244 return ret; 2245 max_exp += ret; 2246 ret = 0; 2247 2248 if (ctrls->exposure->val < max_exp) 2249 ret = ov5640_set_exposure(sensor, ctrls->exposure->val); 2250 } 2251 2252 return ret; 2253 } 2254 2255 static int ov5640_set_ctrl_gain(struct ov5640_dev *sensor, bool auto_gain) 2256 { 2257 struct ov5640_ctrls *ctrls = &sensor->ctrls; 2258 int ret = 0; 2259 2260 if (ctrls->auto_gain->is_new) { 2261 ret = ov5640_set_autogain(sensor, auto_gain); 2262 if (ret) 2263 return ret; 2264 } 2265 2266 if (!auto_gain && ctrls->gain->is_new) 2267 ret = ov5640_set_gain(sensor, ctrls->gain->val); 2268 2269 return ret; 2270 } 2271 2272 static int ov5640_set_ctrl_test_pattern(struct ov5640_dev *sensor, int value) 2273 { 2274 return ov5640_mod_reg(sensor, OV5640_REG_PRE_ISP_TEST_SET1, 2275 0xa4, value ? 0xa4 : 0); 2276 } 2277 2278 static int ov5640_set_ctrl_light_freq(struct ov5640_dev *sensor, int value) 2279 { 2280 int ret; 2281 2282 ret = ov5640_mod_reg(sensor, OV5640_REG_HZ5060_CTRL01, BIT(7), 2283 (value == V4L2_CID_POWER_LINE_FREQUENCY_AUTO) ? 2284 0 : BIT(7)); 2285 if (ret) 2286 return ret; 2287 2288 return ov5640_mod_reg(sensor, OV5640_REG_HZ5060_CTRL00, BIT(2), 2289 (value == V4L2_CID_POWER_LINE_FREQUENCY_50HZ) ? 2290 BIT(2) : 0); 2291 } 2292 2293 static int ov5640_set_ctrl_hflip(struct ov5640_dev *sensor, int value) 2294 { 2295 /* 2296 * If sensor is mounted upside down, mirror logic is inversed. 2297 * 2298 * Sensor is a BSI (Back Side Illuminated) one, 2299 * so image captured is physically mirrored. 2300 * This is why mirror logic is inversed in 2301 * order to cancel this mirror effect. 2302 */ 2303 2304 /* 2305 * TIMING TC REG21: 2306 * - [2]: ISP mirror 2307 * - [1]: Sensor mirror 2308 */ 2309 return ov5640_mod_reg(sensor, OV5640_REG_TIMING_TC_REG21, 2310 BIT(2) | BIT(1), 2311 (!(value ^ sensor->upside_down)) ? 2312 (BIT(2) | BIT(1)) : 0); 2313 } 2314 2315 static int ov5640_set_ctrl_vflip(struct ov5640_dev *sensor, int value) 2316 { 2317 /* If sensor is mounted upside down, flip logic is inversed */ 2318 2319 /* 2320 * TIMING TC REG20: 2321 * - [2]: ISP vflip 2322 * - [1]: Sensor vflip 2323 */ 2324 return ov5640_mod_reg(sensor, OV5640_REG_TIMING_TC_REG20, 2325 BIT(2) | BIT(1), 2326 (value ^ sensor->upside_down) ? 2327 (BIT(2) | BIT(1)) : 0); 2328 } 2329 2330 static int ov5640_g_volatile_ctrl(struct v4l2_ctrl *ctrl) 2331 { 2332 struct v4l2_subdev *sd = ctrl_to_sd(ctrl); 2333 struct ov5640_dev *sensor = to_ov5640_dev(sd); 2334 int val; 2335 2336 /* v4l2_ctrl_lock() locks our own mutex */ 2337 2338 switch (ctrl->id) { 2339 case V4L2_CID_AUTOGAIN: 2340 val = ov5640_get_gain(sensor); 2341 if (val < 0) 2342 return val; 2343 sensor->ctrls.gain->val = val; 2344 break; 2345 case V4L2_CID_EXPOSURE_AUTO: 2346 val = ov5640_get_exposure(sensor); 2347 if (val < 0) 2348 return val; 2349 sensor->ctrls.exposure->val = val; 2350 break; 2351 } 2352 2353 return 0; 2354 } 2355 2356 static int ov5640_s_ctrl(struct v4l2_ctrl *ctrl) 2357 { 2358 struct v4l2_subdev *sd = ctrl_to_sd(ctrl); 2359 struct ov5640_dev *sensor = to_ov5640_dev(sd); 2360 int ret; 2361 2362 /* v4l2_ctrl_lock() locks our own mutex */ 2363 2364 /* 2365 * If the device is not powered up by the host driver do 2366 * not apply any controls to H/W at this time. Instead 2367 * the controls will be restored right after power-up. 2368 */ 2369 if (sensor->power_count == 0) 2370 return 0; 2371 2372 switch (ctrl->id) { 2373 case V4L2_CID_AUTOGAIN: 2374 ret = ov5640_set_ctrl_gain(sensor, ctrl->val); 2375 break; 2376 case V4L2_CID_EXPOSURE_AUTO: 2377 ret = ov5640_set_ctrl_exposure(sensor, ctrl->val); 2378 break; 2379 case V4L2_CID_AUTO_WHITE_BALANCE: 2380 ret = ov5640_set_ctrl_white_balance(sensor, ctrl->val); 2381 break; 2382 case V4L2_CID_HUE: 2383 ret = ov5640_set_ctrl_hue(sensor, ctrl->val); 2384 break; 2385 case V4L2_CID_CONTRAST: 2386 ret = ov5640_set_ctrl_contrast(sensor, ctrl->val); 2387 break; 2388 case V4L2_CID_SATURATION: 2389 ret = ov5640_set_ctrl_saturation(sensor, ctrl->val); 2390 break; 2391 case V4L2_CID_TEST_PATTERN: 2392 ret = ov5640_set_ctrl_test_pattern(sensor, ctrl->val); 2393 break; 2394 case V4L2_CID_POWER_LINE_FREQUENCY: 2395 ret = ov5640_set_ctrl_light_freq(sensor, ctrl->val); 2396 break; 2397 case V4L2_CID_HFLIP: 2398 ret = ov5640_set_ctrl_hflip(sensor, ctrl->val); 2399 break; 2400 case V4L2_CID_VFLIP: 2401 ret = ov5640_set_ctrl_vflip(sensor, ctrl->val); 2402 break; 2403 default: 2404 ret = -EINVAL; 2405 break; 2406 } 2407 2408 return ret; 2409 } 2410 2411 static const struct v4l2_ctrl_ops ov5640_ctrl_ops = { 2412 .g_volatile_ctrl = ov5640_g_volatile_ctrl, 2413 .s_ctrl = ov5640_s_ctrl, 2414 }; 2415 2416 static const char * const test_pattern_menu[] = { 2417 "Disabled", 2418 "Color bars", 2419 }; 2420 2421 static int ov5640_init_controls(struct ov5640_dev *sensor) 2422 { 2423 const struct v4l2_ctrl_ops *ops = &ov5640_ctrl_ops; 2424 struct ov5640_ctrls *ctrls = &sensor->ctrls; 2425 struct v4l2_ctrl_handler *hdl = &ctrls->handler; 2426 int ret; 2427 2428 v4l2_ctrl_handler_init(hdl, 32); 2429 2430 /* we can use our own mutex for the ctrl lock */ 2431 hdl->lock = &sensor->lock; 2432 2433 /* Auto/manual white balance */ 2434 ctrls->auto_wb = v4l2_ctrl_new_std(hdl, ops, 2435 V4L2_CID_AUTO_WHITE_BALANCE, 2436 0, 1, 1, 1); 2437 ctrls->blue_balance = v4l2_ctrl_new_std(hdl, ops, V4L2_CID_BLUE_BALANCE, 2438 0, 4095, 1, 0); 2439 ctrls->red_balance = v4l2_ctrl_new_std(hdl, ops, V4L2_CID_RED_BALANCE, 2440 0, 4095, 1, 0); 2441 /* Auto/manual exposure */ 2442 ctrls->auto_exp = v4l2_ctrl_new_std_menu(hdl, ops, 2443 V4L2_CID_EXPOSURE_AUTO, 2444 V4L2_EXPOSURE_MANUAL, 0, 2445 V4L2_EXPOSURE_AUTO); 2446 ctrls->exposure = v4l2_ctrl_new_std(hdl, ops, V4L2_CID_EXPOSURE, 2447 0, 65535, 1, 0); 2448 /* Auto/manual gain */ 2449 ctrls->auto_gain = v4l2_ctrl_new_std(hdl, ops, V4L2_CID_AUTOGAIN, 2450 0, 1, 1, 1); 2451 ctrls->gain = v4l2_ctrl_new_std(hdl, ops, V4L2_CID_GAIN, 2452 0, 1023, 1, 0); 2453 2454 ctrls->saturation = v4l2_ctrl_new_std(hdl, ops, V4L2_CID_SATURATION, 2455 0, 255, 1, 64); 2456 ctrls->hue = v4l2_ctrl_new_std(hdl, ops, V4L2_CID_HUE, 2457 0, 359, 1, 0); 2458 ctrls->contrast = v4l2_ctrl_new_std(hdl, ops, V4L2_CID_CONTRAST, 2459 0, 255, 1, 0); 2460 ctrls->test_pattern = 2461 v4l2_ctrl_new_std_menu_items(hdl, ops, V4L2_CID_TEST_PATTERN, 2462 ARRAY_SIZE(test_pattern_menu) - 1, 2463 0, 0, test_pattern_menu); 2464 ctrls->hflip = v4l2_ctrl_new_std(hdl, ops, V4L2_CID_HFLIP, 2465 0, 1, 1, 0); 2466 ctrls->vflip = v4l2_ctrl_new_std(hdl, ops, V4L2_CID_VFLIP, 2467 0, 1, 1, 0); 2468 2469 ctrls->light_freq = 2470 v4l2_ctrl_new_std_menu(hdl, ops, 2471 V4L2_CID_POWER_LINE_FREQUENCY, 2472 V4L2_CID_POWER_LINE_FREQUENCY_AUTO, 0, 2473 V4L2_CID_POWER_LINE_FREQUENCY_50HZ); 2474 2475 if (hdl->error) { 2476 ret = hdl->error; 2477 goto free_ctrls; 2478 } 2479 2480 ctrls->gain->flags |= V4L2_CTRL_FLAG_VOLATILE; 2481 ctrls->exposure->flags |= V4L2_CTRL_FLAG_VOLATILE; 2482 2483 v4l2_ctrl_auto_cluster(3, &ctrls->auto_wb, 0, false); 2484 v4l2_ctrl_auto_cluster(2, &ctrls->auto_gain, 0, true); 2485 v4l2_ctrl_auto_cluster(2, &ctrls->auto_exp, 1, true); 2486 2487 sensor->sd.ctrl_handler = hdl; 2488 return 0; 2489 2490 free_ctrls: 2491 v4l2_ctrl_handler_free(hdl); 2492 return ret; 2493 } 2494 2495 static int ov5640_enum_frame_size(struct v4l2_subdev *sd, 2496 struct v4l2_subdev_pad_config *cfg, 2497 struct v4l2_subdev_frame_size_enum *fse) 2498 { 2499 if (fse->pad != 0) 2500 return -EINVAL; 2501 if (fse->index >= OV5640_NUM_MODES) 2502 return -EINVAL; 2503 2504 fse->min_width = 2505 ov5640_mode_data[0][fse->index].hact; 2506 fse->max_width = fse->min_width; 2507 fse->min_height = 2508 ov5640_mode_data[0][fse->index].vact; 2509 fse->max_height = fse->min_height; 2510 2511 return 0; 2512 } 2513 2514 static int ov5640_enum_frame_interval( 2515 struct v4l2_subdev *sd, 2516 struct v4l2_subdev_pad_config *cfg, 2517 struct v4l2_subdev_frame_interval_enum *fie) 2518 { 2519 struct ov5640_dev *sensor = to_ov5640_dev(sd); 2520 struct v4l2_fract tpf; 2521 int ret; 2522 2523 if (fie->pad != 0) 2524 return -EINVAL; 2525 if (fie->index >= OV5640_NUM_FRAMERATES) 2526 return -EINVAL; 2527 2528 tpf.numerator = 1; 2529 tpf.denominator = ov5640_framerates[fie->index]; 2530 2531 ret = ov5640_try_frame_interval(sensor, &tpf, 2532 fie->width, fie->height); 2533 if (ret < 0) 2534 return -EINVAL; 2535 2536 fie->interval = tpf; 2537 return 0; 2538 } 2539 2540 static int ov5640_g_frame_interval(struct v4l2_subdev *sd, 2541 struct v4l2_subdev_frame_interval *fi) 2542 { 2543 struct ov5640_dev *sensor = to_ov5640_dev(sd); 2544 2545 mutex_lock(&sensor->lock); 2546 fi->interval = sensor->frame_interval; 2547 mutex_unlock(&sensor->lock); 2548 2549 return 0; 2550 } 2551 2552 static int ov5640_s_frame_interval(struct v4l2_subdev *sd, 2553 struct v4l2_subdev_frame_interval *fi) 2554 { 2555 struct ov5640_dev *sensor = to_ov5640_dev(sd); 2556 const struct ov5640_mode_info *mode; 2557 int frame_rate, ret = 0; 2558 2559 if (fi->pad != 0) 2560 return -EINVAL; 2561 2562 mutex_lock(&sensor->lock); 2563 2564 if (sensor->streaming) { 2565 ret = -EBUSY; 2566 goto out; 2567 } 2568 2569 mode = sensor->current_mode; 2570 2571 frame_rate = ov5640_try_frame_interval(sensor, &fi->interval, 2572 mode->hact, mode->vact); 2573 if (frame_rate < 0) 2574 frame_rate = OV5640_15_FPS; 2575 2576 mode = ov5640_find_mode(sensor, frame_rate, mode->hact, 2577 mode->vact, true); 2578 if (!mode) { 2579 ret = -EINVAL; 2580 goto out; 2581 } 2582 2583 if (mode != sensor->current_mode || 2584 frame_rate != sensor->current_fr) { 2585 sensor->current_fr = frame_rate; 2586 sensor->frame_interval = fi->interval; 2587 sensor->current_mode = mode; 2588 sensor->pending_mode_change = true; 2589 } 2590 out: 2591 mutex_unlock(&sensor->lock); 2592 return ret; 2593 } 2594 2595 static int ov5640_enum_mbus_code(struct v4l2_subdev *sd, 2596 struct v4l2_subdev_pad_config *cfg, 2597 struct v4l2_subdev_mbus_code_enum *code) 2598 { 2599 if (code->pad != 0) 2600 return -EINVAL; 2601 if (code->index >= ARRAY_SIZE(ov5640_formats)) 2602 return -EINVAL; 2603 2604 code->code = ov5640_formats[code->index].code; 2605 return 0; 2606 } 2607 2608 static int ov5640_s_stream(struct v4l2_subdev *sd, int enable) 2609 { 2610 struct ov5640_dev *sensor = to_ov5640_dev(sd); 2611 int ret = 0; 2612 2613 mutex_lock(&sensor->lock); 2614 2615 if (sensor->streaming == !enable) { 2616 if (enable && sensor->pending_mode_change) { 2617 ret = ov5640_set_mode(sensor); 2618 if (ret) 2619 goto out; 2620 } 2621 2622 if (enable && sensor->pending_fmt_change) { 2623 ret = ov5640_set_framefmt(sensor, &sensor->fmt); 2624 if (ret) 2625 goto out; 2626 sensor->pending_fmt_change = false; 2627 } 2628 2629 if (sensor->ep.bus_type == V4L2_MBUS_CSI2_DPHY) 2630 ret = ov5640_set_stream_mipi(sensor, enable); 2631 else 2632 ret = ov5640_set_stream_dvp(sensor, enable); 2633 2634 if (!ret) 2635 sensor->streaming = enable; 2636 } 2637 out: 2638 mutex_unlock(&sensor->lock); 2639 return ret; 2640 } 2641 2642 static const struct v4l2_subdev_core_ops ov5640_core_ops = { 2643 .s_power = ov5640_s_power, 2644 }; 2645 2646 static const struct v4l2_subdev_video_ops ov5640_video_ops = { 2647 .g_frame_interval = ov5640_g_frame_interval, 2648 .s_frame_interval = ov5640_s_frame_interval, 2649 .s_stream = ov5640_s_stream, 2650 }; 2651 2652 static const struct v4l2_subdev_pad_ops ov5640_pad_ops = { 2653 .enum_mbus_code = ov5640_enum_mbus_code, 2654 .get_fmt = ov5640_get_fmt, 2655 .set_fmt = ov5640_set_fmt, 2656 .enum_frame_size = ov5640_enum_frame_size, 2657 .enum_frame_interval = ov5640_enum_frame_interval, 2658 }; 2659 2660 static const struct v4l2_subdev_ops ov5640_subdev_ops = { 2661 .core = &ov5640_core_ops, 2662 .video = &ov5640_video_ops, 2663 .pad = &ov5640_pad_ops, 2664 }; 2665 2666 static int ov5640_get_regulators(struct ov5640_dev *sensor) 2667 { 2668 int i; 2669 2670 for (i = 0; i < OV5640_NUM_SUPPLIES; i++) 2671 sensor->supplies[i].supply = ov5640_supply_name[i]; 2672 2673 return devm_regulator_bulk_get(&sensor->i2c_client->dev, 2674 OV5640_NUM_SUPPLIES, 2675 sensor->supplies); 2676 } 2677 2678 static int ov5640_check_chip_id(struct ov5640_dev *sensor) 2679 { 2680 struct i2c_client *client = sensor->i2c_client; 2681 int ret = 0; 2682 u16 chip_id; 2683 2684 ret = ov5640_set_power_on(sensor); 2685 if (ret) 2686 return ret; 2687 2688 ret = ov5640_read_reg16(sensor, OV5640_REG_CHIP_ID, &chip_id); 2689 if (ret) { 2690 dev_err(&client->dev, "%s: failed to read chip identifier\n", 2691 __func__); 2692 goto power_off; 2693 } 2694 2695 if (chip_id != 0x5640) { 2696 dev_err(&client->dev, "%s: wrong chip identifier, expected 0x5640, got 0x%x\n", 2697 __func__, chip_id); 2698 ret = -ENXIO; 2699 } 2700 2701 power_off: 2702 ov5640_set_power_off(sensor); 2703 return ret; 2704 } 2705 2706 static int ov5640_probe(struct i2c_client *client, 2707 const struct i2c_device_id *id) 2708 { 2709 struct device *dev = &client->dev; 2710 struct fwnode_handle *endpoint; 2711 struct ov5640_dev *sensor; 2712 struct v4l2_mbus_framefmt *fmt; 2713 u32 rotation; 2714 int ret; 2715 2716 sensor = devm_kzalloc(dev, sizeof(*sensor), GFP_KERNEL); 2717 if (!sensor) 2718 return -ENOMEM; 2719 2720 sensor->i2c_client = client; 2721 2722 /* 2723 * default init sequence initialize sensor to 2724 * YUV422 UYVY VGA@30fps 2725 */ 2726 fmt = &sensor->fmt; 2727 fmt->code = MEDIA_BUS_FMT_UYVY8_2X8; 2728 fmt->colorspace = V4L2_COLORSPACE_SRGB; 2729 fmt->ycbcr_enc = V4L2_MAP_YCBCR_ENC_DEFAULT(fmt->colorspace); 2730 fmt->quantization = V4L2_QUANTIZATION_FULL_RANGE; 2731 fmt->xfer_func = V4L2_MAP_XFER_FUNC_DEFAULT(fmt->colorspace); 2732 fmt->width = 640; 2733 fmt->height = 480; 2734 fmt->field = V4L2_FIELD_NONE; 2735 sensor->frame_interval.numerator = 1; 2736 sensor->frame_interval.denominator = ov5640_framerates[OV5640_30_FPS]; 2737 sensor->current_fr = OV5640_30_FPS; 2738 sensor->current_mode = 2739 &ov5640_mode_data[OV5640_30_FPS][OV5640_MODE_VGA_640_480]; 2740 sensor->last_mode = sensor->current_mode; 2741 2742 sensor->ae_target = 52; 2743 2744 /* optional indication of physical rotation of sensor */ 2745 ret = fwnode_property_read_u32(dev_fwnode(&client->dev), "rotation", 2746 &rotation); 2747 if (!ret) { 2748 switch (rotation) { 2749 case 180: 2750 sensor->upside_down = true; 2751 /* fall through */ 2752 case 0: 2753 break; 2754 default: 2755 dev_warn(dev, "%u degrees rotation is not supported, ignoring...\n", 2756 rotation); 2757 } 2758 } 2759 2760 endpoint = fwnode_graph_get_next_endpoint(dev_fwnode(&client->dev), 2761 NULL); 2762 if (!endpoint) { 2763 dev_err(dev, "endpoint node not found\n"); 2764 return -EINVAL; 2765 } 2766 2767 ret = v4l2_fwnode_endpoint_parse(endpoint, &sensor->ep); 2768 fwnode_handle_put(endpoint); 2769 if (ret) { 2770 dev_err(dev, "Could not parse endpoint\n"); 2771 return ret; 2772 } 2773 2774 /* get system clock (xclk) */ 2775 sensor->xclk = devm_clk_get(dev, "xclk"); 2776 if (IS_ERR(sensor->xclk)) { 2777 dev_err(dev, "failed to get xclk\n"); 2778 return PTR_ERR(sensor->xclk); 2779 } 2780 2781 sensor->xclk_freq = clk_get_rate(sensor->xclk); 2782 if (sensor->xclk_freq < OV5640_XCLK_MIN || 2783 sensor->xclk_freq > OV5640_XCLK_MAX) { 2784 dev_err(dev, "xclk frequency out of range: %d Hz\n", 2785 sensor->xclk_freq); 2786 return -EINVAL; 2787 } 2788 2789 /* request optional power down pin */ 2790 sensor->pwdn_gpio = devm_gpiod_get_optional(dev, "powerdown", 2791 GPIOD_OUT_HIGH); 2792 /* request optional reset pin */ 2793 sensor->reset_gpio = devm_gpiod_get_optional(dev, "reset", 2794 GPIOD_OUT_HIGH); 2795 2796 v4l2_i2c_subdev_init(&sensor->sd, client, &ov5640_subdev_ops); 2797 2798 sensor->sd.flags |= V4L2_SUBDEV_FL_HAS_DEVNODE; 2799 sensor->pad.flags = MEDIA_PAD_FL_SOURCE; 2800 sensor->sd.entity.function = MEDIA_ENT_F_CAM_SENSOR; 2801 ret = media_entity_pads_init(&sensor->sd.entity, 1, &sensor->pad); 2802 if (ret) 2803 return ret; 2804 2805 ret = ov5640_get_regulators(sensor); 2806 if (ret) 2807 return ret; 2808 2809 mutex_init(&sensor->lock); 2810 2811 ret = ov5640_check_chip_id(sensor); 2812 if (ret) 2813 goto entity_cleanup; 2814 2815 ret = ov5640_init_controls(sensor); 2816 if (ret) 2817 goto entity_cleanup; 2818 2819 ret = v4l2_async_register_subdev(&sensor->sd); 2820 if (ret) 2821 goto free_ctrls; 2822 2823 return 0; 2824 2825 free_ctrls: 2826 v4l2_ctrl_handler_free(&sensor->ctrls.handler); 2827 entity_cleanup: 2828 mutex_destroy(&sensor->lock); 2829 media_entity_cleanup(&sensor->sd.entity); 2830 return ret; 2831 } 2832 2833 static int ov5640_remove(struct i2c_client *client) 2834 { 2835 struct v4l2_subdev *sd = i2c_get_clientdata(client); 2836 struct ov5640_dev *sensor = to_ov5640_dev(sd); 2837 2838 v4l2_async_unregister_subdev(&sensor->sd); 2839 mutex_destroy(&sensor->lock); 2840 media_entity_cleanup(&sensor->sd.entity); 2841 v4l2_ctrl_handler_free(&sensor->ctrls.handler); 2842 2843 return 0; 2844 } 2845 2846 static const struct i2c_device_id ov5640_id[] = { 2847 {"ov5640", 0}, 2848 {}, 2849 }; 2850 MODULE_DEVICE_TABLE(i2c, ov5640_id); 2851 2852 static const struct of_device_id ov5640_dt_ids[] = { 2853 { .compatible = "ovti,ov5640" }, 2854 { /* sentinel */ } 2855 }; 2856 MODULE_DEVICE_TABLE(of, ov5640_dt_ids); 2857 2858 static struct i2c_driver ov5640_i2c_driver = { 2859 .driver = { 2860 .name = "ov5640", 2861 .of_match_table = ov5640_dt_ids, 2862 }, 2863 .id_table = ov5640_id, 2864 .probe = ov5640_probe, 2865 .remove = ov5640_remove, 2866 }; 2867 2868 module_i2c_driver(ov5640_i2c_driver); 2869 2870 MODULE_DESCRIPTION("OV5640 MIPI Camera Subdev Driver"); 2871 MODULE_LICENSE("GPL"); 2872