1 /* 2 * Copyright (C) 2011-2013 Freescale Semiconductor, Inc. All Rights Reserved. 3 * Copyright (C) 2014-2017 Mentor Graphics Inc. 4 * 5 * This program is free software; you can redistribute it and/or modify 6 * it under the terms of the GNU General Public License as published by 7 * the Free Software Foundation; either version 2 of the License, or 8 * (at your option) any later version. 9 */ 10 11 #include <linux/clk.h> 12 #include <linux/clk-provider.h> 13 #include <linux/clkdev.h> 14 #include <linux/ctype.h> 15 #include <linux/delay.h> 16 #include <linux/device.h> 17 #include <linux/gpio/consumer.h> 18 #include <linux/i2c.h> 19 #include <linux/init.h> 20 #include <linux/module.h> 21 #include <linux/of_device.h> 22 #include <linux/regulator/consumer.h> 23 #include <linux/slab.h> 24 #include <linux/types.h> 25 #include <media/v4l2-async.h> 26 #include <media/v4l2-ctrls.h> 27 #include <media/v4l2-device.h> 28 #include <media/v4l2-fwnode.h> 29 #include <media/v4l2-subdev.h> 30 31 /* min/typical/max system clock (xclk) frequencies */ 32 #define OV5640_XCLK_MIN 6000000 33 #define OV5640_XCLK_MAX 24000000 34 35 #define OV5640_DEFAULT_SLAVE_ID 0x3c 36 37 #define OV5640_REG_SYS_RESET02 0x3002 38 #define OV5640_REG_SYS_CLOCK_ENABLE02 0x3006 39 #define OV5640_REG_SYS_CTRL0 0x3008 40 #define OV5640_REG_CHIP_ID 0x300a 41 #define OV5640_REG_IO_MIPI_CTRL00 0x300e 42 #define OV5640_REG_PAD_OUTPUT_ENABLE01 0x3017 43 #define OV5640_REG_PAD_OUTPUT_ENABLE02 0x3018 44 #define OV5640_REG_PAD_OUTPUT00 0x3019 45 #define OV5640_REG_SYSTEM_CONTROL1 0x302e 46 #define OV5640_REG_SC_PLL_CTRL0 0x3034 47 #define OV5640_REG_SC_PLL_CTRL1 0x3035 48 #define OV5640_REG_SC_PLL_CTRL2 0x3036 49 #define OV5640_REG_SC_PLL_CTRL3 0x3037 50 #define OV5640_REG_SLAVE_ID 0x3100 51 #define OV5640_REG_SCCB_SYS_CTRL1 0x3103 52 #define OV5640_REG_SYS_ROOT_DIVIDER 0x3108 53 #define OV5640_REG_AWB_R_GAIN 0x3400 54 #define OV5640_REG_AWB_G_GAIN 0x3402 55 #define OV5640_REG_AWB_B_GAIN 0x3404 56 #define OV5640_REG_AWB_MANUAL_CTRL 0x3406 57 #define OV5640_REG_AEC_PK_EXPOSURE_HI 0x3500 58 #define OV5640_REG_AEC_PK_EXPOSURE_MED 0x3501 59 #define OV5640_REG_AEC_PK_EXPOSURE_LO 0x3502 60 #define OV5640_REG_AEC_PK_MANUAL 0x3503 61 #define OV5640_REG_AEC_PK_REAL_GAIN 0x350a 62 #define OV5640_REG_AEC_PK_VTS 0x350c 63 #define OV5640_REG_TIMING_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_REG21 0x3821 68 #define OV5640_REG_AEC_CTRL00 0x3a00 69 #define OV5640_REG_AEC_B50_STEP 0x3a08 70 #define OV5640_REG_AEC_B60_STEP 0x3a0a 71 #define OV5640_REG_AEC_CTRL0D 0x3a0d 72 #define OV5640_REG_AEC_CTRL0E 0x3a0e 73 #define OV5640_REG_AEC_CTRL0F 0x3a0f 74 #define OV5640_REG_AEC_CTRL10 0x3a10 75 #define OV5640_REG_AEC_CTRL11 0x3a11 76 #define OV5640_REG_AEC_CTRL1B 0x3a1b 77 #define OV5640_REG_AEC_CTRL1E 0x3a1e 78 #define OV5640_REG_AEC_CTRL1F 0x3a1f 79 #define OV5640_REG_HZ5060_CTRL00 0x3c00 80 #define OV5640_REG_HZ5060_CTRL01 0x3c01 81 #define OV5640_REG_SIGMADELTA_CTRL0C 0x3c0c 82 #define OV5640_REG_FRAME_CTRL01 0x4202 83 #define OV5640_REG_FORMAT_CONTROL00 0x4300 84 #define OV5640_REG_POLARITY_CTRL00 0x4740 85 #define OV5640_REG_MIPI_CTRL00 0x4800 86 #define OV5640_REG_DEBUG_MODE 0x4814 87 #define OV5640_REG_ISP_FORMAT_MUX_CTRL 0x501f 88 #define OV5640_REG_PRE_ISP_TEST_SET1 0x503d 89 #define OV5640_REG_SDE_CTRL0 0x5580 90 #define OV5640_REG_SDE_CTRL1 0x5581 91 #define OV5640_REG_SDE_CTRL3 0x5583 92 #define OV5640_REG_SDE_CTRL4 0x5584 93 #define OV5640_REG_SDE_CTRL5 0x5585 94 #define OV5640_REG_AVG_READOUT 0x56a1 95 96 #define OV5640_SCLK2X_ROOT_DIVIDER_DEFAULT 1 97 #define OV5640_SCLK_ROOT_DIVIDER_DEFAULT 2 98 99 enum ov5640_mode_id { 100 OV5640_MODE_QCIF_176_144 = 0, 101 OV5640_MODE_QVGA_320_240, 102 OV5640_MODE_VGA_640_480, 103 OV5640_MODE_NTSC_720_480, 104 OV5640_MODE_PAL_720_576, 105 OV5640_MODE_XGA_1024_768, 106 OV5640_MODE_720P_1280_720, 107 OV5640_MODE_1080P_1920_1080, 108 OV5640_MODE_QSXGA_2592_1944, 109 OV5640_NUM_MODES, 110 }; 111 112 enum ov5640_frame_rate { 113 OV5640_15_FPS = 0, 114 OV5640_30_FPS, 115 OV5640_NUM_FRAMERATES, 116 }; 117 118 struct ov5640_pixfmt { 119 u32 code; 120 u32 colorspace; 121 }; 122 123 static const struct ov5640_pixfmt ov5640_formats[] = { 124 { MEDIA_BUS_FMT_JPEG_1X8, V4L2_COLORSPACE_JPEG, }, 125 { MEDIA_BUS_FMT_UYVY8_2X8, V4L2_COLORSPACE_SRGB, }, 126 { MEDIA_BUS_FMT_YUYV8_2X8, V4L2_COLORSPACE_SRGB, }, 127 { MEDIA_BUS_FMT_RGB565_2X8_LE, V4L2_COLORSPACE_SRGB, }, 128 { MEDIA_BUS_FMT_RGB565_2X8_BE, V4L2_COLORSPACE_SRGB, }, 129 }; 130 131 /* 132 * FIXME: remove this when a subdev API becomes available 133 * to set the MIPI CSI-2 virtual channel. 134 */ 135 static unsigned int virtual_channel; 136 module_param(virtual_channel, uint, 0444); 137 MODULE_PARM_DESC(virtual_channel, 138 "MIPI CSI-2 virtual channel (0..3), default 0"); 139 140 static const int ov5640_framerates[] = { 141 [OV5640_15_FPS] = 15, 142 [OV5640_30_FPS] = 30, 143 }; 144 145 /* regulator supplies */ 146 static const char * const ov5640_supply_name[] = { 147 "DOVDD", /* Digital I/O (1.8V) supply */ 148 "DVDD", /* Digital Core (1.5V) supply */ 149 "AVDD", /* Analog (2.8V) supply */ 150 }; 151 152 #define OV5640_NUM_SUPPLIES ARRAY_SIZE(ov5640_supply_name) 153 154 /* 155 * Image size under 1280 * 960 are SUBSAMPLING 156 * Image size upper 1280 * 960 are SCALING 157 */ 158 enum ov5640_downsize_mode { 159 SUBSAMPLING, 160 SCALING, 161 }; 162 163 struct reg_value { 164 u16 reg_addr; 165 u8 val; 166 u8 mask; 167 u32 delay_ms; 168 }; 169 170 struct ov5640_mode_info { 171 enum ov5640_mode_id id; 172 enum ov5640_downsize_mode dn_mode; 173 u32 hact; 174 u32 htot; 175 u32 vact; 176 u32 vtot; 177 const struct reg_value *reg_data; 178 u32 reg_data_size; 179 }; 180 181 struct ov5640_ctrls { 182 struct v4l2_ctrl_handler handler; 183 struct { 184 struct v4l2_ctrl *auto_exp; 185 struct v4l2_ctrl *exposure; 186 }; 187 struct { 188 struct v4l2_ctrl *auto_wb; 189 struct v4l2_ctrl *blue_balance; 190 struct v4l2_ctrl *red_balance; 191 }; 192 struct { 193 struct v4l2_ctrl *auto_gain; 194 struct v4l2_ctrl *gain; 195 }; 196 struct v4l2_ctrl *brightness; 197 struct v4l2_ctrl *light_freq; 198 struct v4l2_ctrl *saturation; 199 struct v4l2_ctrl *contrast; 200 struct v4l2_ctrl *hue; 201 struct v4l2_ctrl *test_pattern; 202 }; 203 204 struct ov5640_dev { 205 struct i2c_client *i2c_client; 206 struct v4l2_subdev sd; 207 struct media_pad pad; 208 struct v4l2_fwnode_endpoint ep; /* the parsed DT endpoint info */ 209 struct clk *xclk; /* system clock to OV5640 */ 210 u32 xclk_freq; 211 212 struct regulator_bulk_data supplies[OV5640_NUM_SUPPLIES]; 213 struct gpio_desc *reset_gpio; 214 struct gpio_desc *pwdn_gpio; 215 216 /* lock to protect all members below */ 217 struct mutex lock; 218 219 int power_count; 220 221 struct v4l2_mbus_framefmt fmt; 222 223 const struct ov5640_mode_info *current_mode; 224 enum ov5640_frame_rate current_fr; 225 struct v4l2_fract frame_interval; 226 227 struct ov5640_ctrls ctrls; 228 229 u32 prev_sysclk, prev_hts; 230 u32 ae_low, ae_high, ae_target; 231 232 bool pending_mode_change; 233 bool streaming; 234 }; 235 236 static inline struct ov5640_dev *to_ov5640_dev(struct v4l2_subdev *sd) 237 { 238 return container_of(sd, struct ov5640_dev, sd); 239 } 240 241 static inline struct v4l2_subdev *ctrl_to_sd(struct v4l2_ctrl *ctrl) 242 { 243 return &container_of(ctrl->handler, struct ov5640_dev, 244 ctrls.handler)->sd; 245 } 246 247 /* 248 * FIXME: all of these register tables are likely filled with 249 * entries that set the register to their power-on default values, 250 * and which are otherwise not touched by this driver. Those entries 251 * should be identified and removed to speed register load time 252 * over i2c. 253 */ 254 255 static const struct reg_value ov5640_init_setting_30fps_VGA[] = { 256 {0x3103, 0x11, 0, 0}, {0x3008, 0x82, 0, 5}, {0x3008, 0x42, 0, 0}, 257 {0x3103, 0x03, 0, 0}, {0x3017, 0x00, 0, 0}, {0x3018, 0x00, 0, 0}, 258 {0x3034, 0x18, 0, 0}, {0x3035, 0x14, 0, 0}, {0x3036, 0x38, 0, 0}, 259 {0x3037, 0x13, 0, 0}, {0x3630, 0x36, 0, 0}, 260 {0x3631, 0x0e, 0, 0}, {0x3632, 0xe2, 0, 0}, {0x3633, 0x12, 0, 0}, 261 {0x3621, 0xe0, 0, 0}, {0x3704, 0xa0, 0, 0}, {0x3703, 0x5a, 0, 0}, 262 {0x3715, 0x78, 0, 0}, {0x3717, 0x01, 0, 0}, {0x370b, 0x60, 0, 0}, 263 {0x3705, 0x1a, 0, 0}, {0x3905, 0x02, 0, 0}, {0x3906, 0x10, 0, 0}, 264 {0x3901, 0x0a, 0, 0}, {0x3731, 0x12, 0, 0}, {0x3600, 0x08, 0, 0}, 265 {0x3601, 0x33, 0, 0}, {0x302d, 0x60, 0, 0}, {0x3620, 0x52, 0, 0}, 266 {0x371b, 0x20, 0, 0}, {0x471c, 0x50, 0, 0}, {0x3a13, 0x43, 0, 0}, 267 {0x3a18, 0x00, 0, 0}, {0x3a19, 0xf8, 0, 0}, {0x3635, 0x13, 0, 0}, 268 {0x3636, 0x03, 0, 0}, {0x3634, 0x40, 0, 0}, {0x3622, 0x01, 0, 0}, 269 {0x3c01, 0xa4, 0, 0}, {0x3c04, 0x28, 0, 0}, {0x3c05, 0x98, 0, 0}, 270 {0x3c06, 0x00, 0, 0}, {0x3c07, 0x08, 0, 0}, {0x3c08, 0x00, 0, 0}, 271 {0x3c09, 0x1c, 0, 0}, {0x3c0a, 0x9c, 0, 0}, {0x3c0b, 0x40, 0, 0}, 272 {0x3820, 0x41, 0, 0}, {0x3821, 0x07, 0, 0}, {0x3814, 0x31, 0, 0}, 273 {0x3815, 0x31, 0, 0}, {0x3800, 0x00, 0, 0}, {0x3801, 0x00, 0, 0}, 274 {0x3802, 0x00, 0, 0}, {0x3803, 0x04, 0, 0}, {0x3804, 0x0a, 0, 0}, 275 {0x3805, 0x3f, 0, 0}, {0x3806, 0x07, 0, 0}, {0x3807, 0x9b, 0, 0}, 276 {0x3810, 0x00, 0, 0}, 277 {0x3811, 0x10, 0, 0}, {0x3812, 0x00, 0, 0}, {0x3813, 0x06, 0, 0}, 278 {0x3618, 0x00, 0, 0}, {0x3612, 0x29, 0, 0}, {0x3708, 0x64, 0, 0}, 279 {0x3709, 0x52, 0, 0}, {0x370c, 0x03, 0, 0}, {0x3a02, 0x03, 0, 0}, 280 {0x3a03, 0xd8, 0, 0}, {0x3a08, 0x01, 0, 0}, {0x3a09, 0x27, 0, 0}, 281 {0x3a0a, 0x00, 0, 0}, {0x3a0b, 0xf6, 0, 0}, {0x3a0e, 0x03, 0, 0}, 282 {0x3a0d, 0x04, 0, 0}, {0x3a14, 0x03, 0, 0}, {0x3a15, 0xd8, 0, 0}, 283 {0x4001, 0x02, 0, 0}, {0x4004, 0x02, 0, 0}, {0x3000, 0x00, 0, 0}, 284 {0x3002, 0x1c, 0, 0}, {0x3004, 0xff, 0, 0}, {0x3006, 0xc3, 0, 0}, 285 {0x300e, 0x45, 0, 0}, {0x302e, 0x08, 0, 0}, {0x4300, 0x3f, 0, 0}, 286 {0x501f, 0x00, 0, 0}, {0x4713, 0x03, 0, 0}, {0x4407, 0x04, 0, 0}, 287 {0x440e, 0x00, 0, 0}, {0x460b, 0x35, 0, 0}, {0x460c, 0x22, 0, 0}, 288 {0x4837, 0x0a, 0, 0}, {0x4800, 0x04, 0, 0}, {0x3824, 0x02, 0, 0}, 289 {0x5000, 0xa7, 0, 0}, {0x5001, 0xa3, 0, 0}, {0x5180, 0xff, 0, 0}, 290 {0x5181, 0xf2, 0, 0}, {0x5182, 0x00, 0, 0}, {0x5183, 0x14, 0, 0}, 291 {0x5184, 0x25, 0, 0}, {0x5185, 0x24, 0, 0}, {0x5186, 0x09, 0, 0}, 292 {0x5187, 0x09, 0, 0}, {0x5188, 0x09, 0, 0}, {0x5189, 0x88, 0, 0}, 293 {0x518a, 0x54, 0, 0}, {0x518b, 0xee, 0, 0}, {0x518c, 0xb2, 0, 0}, 294 {0x518d, 0x50, 0, 0}, {0x518e, 0x34, 0, 0}, {0x518f, 0x6b, 0, 0}, 295 {0x5190, 0x46, 0, 0}, {0x5191, 0xf8, 0, 0}, {0x5192, 0x04, 0, 0}, 296 {0x5193, 0x70, 0, 0}, {0x5194, 0xf0, 0, 0}, {0x5195, 0xf0, 0, 0}, 297 {0x5196, 0x03, 0, 0}, {0x5197, 0x01, 0, 0}, {0x5198, 0x04, 0, 0}, 298 {0x5199, 0x6c, 0, 0}, {0x519a, 0x04, 0, 0}, {0x519b, 0x00, 0, 0}, 299 {0x519c, 0x09, 0, 0}, {0x519d, 0x2b, 0, 0}, {0x519e, 0x38, 0, 0}, 300 {0x5381, 0x1e, 0, 0}, {0x5382, 0x5b, 0, 0}, {0x5383, 0x08, 0, 0}, 301 {0x5384, 0x0a, 0, 0}, {0x5385, 0x7e, 0, 0}, {0x5386, 0x88, 0, 0}, 302 {0x5387, 0x7c, 0, 0}, {0x5388, 0x6c, 0, 0}, {0x5389, 0x10, 0, 0}, 303 {0x538a, 0x01, 0, 0}, {0x538b, 0x98, 0, 0}, {0x5300, 0x08, 0, 0}, 304 {0x5301, 0x30, 0, 0}, {0x5302, 0x10, 0, 0}, {0x5303, 0x00, 0, 0}, 305 {0x5304, 0x08, 0, 0}, {0x5305, 0x30, 0, 0}, {0x5306, 0x08, 0, 0}, 306 {0x5307, 0x16, 0, 0}, {0x5309, 0x08, 0, 0}, {0x530a, 0x30, 0, 0}, 307 {0x530b, 0x04, 0, 0}, {0x530c, 0x06, 0, 0}, {0x5480, 0x01, 0, 0}, 308 {0x5481, 0x08, 0, 0}, {0x5482, 0x14, 0, 0}, {0x5483, 0x28, 0, 0}, 309 {0x5484, 0x51, 0, 0}, {0x5485, 0x65, 0, 0}, {0x5486, 0x71, 0, 0}, 310 {0x5487, 0x7d, 0, 0}, {0x5488, 0x87, 0, 0}, {0x5489, 0x91, 0, 0}, 311 {0x548a, 0x9a, 0, 0}, {0x548b, 0xaa, 0, 0}, {0x548c, 0xb8, 0, 0}, 312 {0x548d, 0xcd, 0, 0}, {0x548e, 0xdd, 0, 0}, {0x548f, 0xea, 0, 0}, 313 {0x5490, 0x1d, 0, 0}, {0x5580, 0x02, 0, 0}, {0x5583, 0x40, 0, 0}, 314 {0x5584, 0x10, 0, 0}, {0x5589, 0x10, 0, 0}, {0x558a, 0x00, 0, 0}, 315 {0x558b, 0xf8, 0, 0}, {0x5800, 0x23, 0, 0}, {0x5801, 0x14, 0, 0}, 316 {0x5802, 0x0f, 0, 0}, {0x5803, 0x0f, 0, 0}, {0x5804, 0x12, 0, 0}, 317 {0x5805, 0x26, 0, 0}, {0x5806, 0x0c, 0, 0}, {0x5807, 0x08, 0, 0}, 318 {0x5808, 0x05, 0, 0}, {0x5809, 0x05, 0, 0}, {0x580a, 0x08, 0, 0}, 319 {0x580b, 0x0d, 0, 0}, {0x580c, 0x08, 0, 0}, {0x580d, 0x03, 0, 0}, 320 {0x580e, 0x00, 0, 0}, {0x580f, 0x00, 0, 0}, {0x5810, 0x03, 0, 0}, 321 {0x5811, 0x09, 0, 0}, {0x5812, 0x07, 0, 0}, {0x5813, 0x03, 0, 0}, 322 {0x5814, 0x00, 0, 0}, {0x5815, 0x01, 0, 0}, {0x5816, 0x03, 0, 0}, 323 {0x5817, 0x08, 0, 0}, {0x5818, 0x0d, 0, 0}, {0x5819, 0x08, 0, 0}, 324 {0x581a, 0x05, 0, 0}, {0x581b, 0x06, 0, 0}, {0x581c, 0x08, 0, 0}, 325 {0x581d, 0x0e, 0, 0}, {0x581e, 0x29, 0, 0}, {0x581f, 0x17, 0, 0}, 326 {0x5820, 0x11, 0, 0}, {0x5821, 0x11, 0, 0}, {0x5822, 0x15, 0, 0}, 327 {0x5823, 0x28, 0, 0}, {0x5824, 0x46, 0, 0}, {0x5825, 0x26, 0, 0}, 328 {0x5826, 0x08, 0, 0}, {0x5827, 0x26, 0, 0}, {0x5828, 0x64, 0, 0}, 329 {0x5829, 0x26, 0, 0}, {0x582a, 0x24, 0, 0}, {0x582b, 0x22, 0, 0}, 330 {0x582c, 0x24, 0, 0}, {0x582d, 0x24, 0, 0}, {0x582e, 0x06, 0, 0}, 331 {0x582f, 0x22, 0, 0}, {0x5830, 0x40, 0, 0}, {0x5831, 0x42, 0, 0}, 332 {0x5832, 0x24, 0, 0}, {0x5833, 0x26, 0, 0}, {0x5834, 0x24, 0, 0}, 333 {0x5835, 0x22, 0, 0}, {0x5836, 0x22, 0, 0}, {0x5837, 0x26, 0, 0}, 334 {0x5838, 0x44, 0, 0}, {0x5839, 0x24, 0, 0}, {0x583a, 0x26, 0, 0}, 335 {0x583b, 0x28, 0, 0}, {0x583c, 0x42, 0, 0}, {0x583d, 0xce, 0, 0}, 336 {0x5025, 0x00, 0, 0}, {0x3a0f, 0x30, 0, 0}, {0x3a10, 0x28, 0, 0}, 337 {0x3a1b, 0x30, 0, 0}, {0x3a1e, 0x26, 0, 0}, {0x3a11, 0x60, 0, 0}, 338 {0x3a1f, 0x14, 0, 0}, {0x3008, 0x02, 0, 0}, {0x3c00, 0x04, 0, 300}, 339 }; 340 341 static const struct reg_value ov5640_setting_30fps_VGA_640_480[] = { 342 {0x3035, 0x14, 0, 0}, {0x3036, 0x38, 0, 0}, {0x3c07, 0x08, 0, 0}, 343 {0x3c09, 0x1c, 0, 0}, {0x3c0a, 0x9c, 0, 0}, {0x3c0b, 0x40, 0, 0}, 344 {0x3820, 0x41, 0, 0}, {0x3821, 0x07, 0, 0}, {0x3814, 0x31, 0, 0}, 345 {0x3815, 0x31, 0, 0}, {0x3800, 0x00, 0, 0}, {0x3801, 0x00, 0, 0}, 346 {0x3802, 0x00, 0, 0}, {0x3803, 0x04, 0, 0}, {0x3804, 0x0a, 0, 0}, 347 {0x3805, 0x3f, 0, 0}, {0x3806, 0x07, 0, 0}, {0x3807, 0x9b, 0, 0}, 348 {0x3810, 0x00, 0, 0}, 349 {0x3811, 0x10, 0, 0}, {0x3812, 0x00, 0, 0}, {0x3813, 0x06, 0, 0}, 350 {0x3618, 0x00, 0, 0}, {0x3612, 0x29, 0, 0}, {0x3708, 0x64, 0, 0}, 351 {0x3709, 0x52, 0, 0}, {0x370c, 0x03, 0, 0}, {0x3a02, 0x03, 0, 0}, 352 {0x3a03, 0xd8, 0, 0}, {0x3a08, 0x01, 0, 0}, {0x3a09, 0x0e, 0, 0}, 353 {0x3a0a, 0x00, 0, 0}, {0x3a0b, 0xf6, 0, 0}, {0x3a0e, 0x03, 0, 0}, 354 {0x3a0d, 0x04, 0, 0}, {0x3a14, 0x03, 0, 0}, {0x3a15, 0xd8, 0, 0}, 355 {0x4001, 0x02, 0, 0}, {0x4004, 0x02, 0, 0}, {0x4713, 0x03, 0, 0}, 356 {0x4407, 0x04, 0, 0}, {0x460b, 0x35, 0, 0}, {0x460c, 0x22, 0, 0}, 357 {0x3824, 0x02, 0, 0}, {0x5001, 0xa3, 0, 0}, {0x3503, 0x00, 0, 0}, 358 }; 359 360 static const struct reg_value ov5640_setting_15fps_VGA_640_480[] = { 361 {0x3035, 0x22, 0, 0}, {0x3036, 0x38, 0, 0}, {0x3c07, 0x08, 0, 0}, 362 {0x3c09, 0x1c, 0, 0}, {0x3c0a, 0x9c, 0, 0}, {0x3c0b, 0x40, 0, 0}, 363 {0x3820, 0x41, 0, 0}, {0x3821, 0x07, 0, 0}, {0x3814, 0x31, 0, 0}, 364 {0x3815, 0x31, 0, 0}, {0x3800, 0x00, 0, 0}, {0x3801, 0x00, 0, 0}, 365 {0x3802, 0x00, 0, 0}, {0x3803, 0x04, 0, 0}, {0x3804, 0x0a, 0, 0}, 366 {0x3805, 0x3f, 0, 0}, {0x3806, 0x07, 0, 0}, {0x3807, 0x9b, 0, 0}, 367 {0x3810, 0x00, 0, 0}, 368 {0x3811, 0x10, 0, 0}, {0x3812, 0x00, 0, 0}, {0x3813, 0x06, 0, 0}, 369 {0x3618, 0x00, 0, 0}, {0x3612, 0x29, 0, 0}, {0x3708, 0x64, 0, 0}, 370 {0x3709, 0x52, 0, 0}, {0x370c, 0x03, 0, 0}, {0x3a02, 0x03, 0, 0}, 371 {0x3a03, 0xd8, 0, 0}, {0x3a08, 0x01, 0, 0}, {0x3a09, 0x27, 0, 0}, 372 {0x3a0a, 0x00, 0, 0}, {0x3a0b, 0xf6, 0, 0}, {0x3a0e, 0x03, 0, 0}, 373 {0x3a0d, 0x04, 0, 0}, {0x3a14, 0x03, 0, 0}, {0x3a15, 0xd8, 0, 0}, 374 {0x4001, 0x02, 0, 0}, {0x4004, 0x02, 0, 0}, {0x4713, 0x03, 0, 0}, 375 {0x4407, 0x04, 0, 0}, {0x460b, 0x35, 0, 0}, {0x460c, 0x22, 0, 0}, 376 {0x3824, 0x02, 0, 0}, {0x5001, 0xa3, 0, 0}, 377 }; 378 379 static const struct reg_value ov5640_setting_30fps_XGA_1024_768[] = { 380 {0x3035, 0x14, 0, 0}, {0x3036, 0x38, 0, 0}, {0x3c07, 0x08, 0, 0}, 381 {0x3c09, 0x1c, 0, 0}, {0x3c0a, 0x9c, 0, 0}, {0x3c0b, 0x40, 0, 0}, 382 {0x3820, 0x41, 0, 0}, {0x3821, 0x07, 0, 0}, {0x3814, 0x31, 0, 0}, 383 {0x3815, 0x31, 0, 0}, {0x3800, 0x00, 0, 0}, {0x3801, 0x00, 0, 0}, 384 {0x3802, 0x00, 0, 0}, {0x3803, 0x04, 0, 0}, {0x3804, 0x0a, 0, 0}, 385 {0x3805, 0x3f, 0, 0}, {0x3806, 0x07, 0, 0}, {0x3807, 0x9b, 0, 0}, 386 {0x3810, 0x00, 0, 0}, 387 {0x3811, 0x10, 0, 0}, {0x3812, 0x00, 0, 0}, {0x3813, 0x06, 0, 0}, 388 {0x3618, 0x00, 0, 0}, {0x3612, 0x29, 0, 0}, {0x3708, 0x64, 0, 0}, 389 {0x3709, 0x52, 0, 0}, {0x370c, 0x03, 0, 0}, {0x3a02, 0x03, 0, 0}, 390 {0x3a03, 0xd8, 0, 0}, {0x3a08, 0x01, 0, 0}, {0x3a09, 0x0e, 0, 0}, 391 {0x3a0a, 0x00, 0, 0}, {0x3a0b, 0xf6, 0, 0}, {0x3a0e, 0x03, 0, 0}, 392 {0x3a0d, 0x04, 0, 0}, {0x3a14, 0x03, 0, 0}, {0x3a15, 0xd8, 0, 0}, 393 {0x4001, 0x02, 0, 0}, {0x4004, 0x02, 0, 0}, {0x4713, 0x03, 0, 0}, 394 {0x4407, 0x04, 0, 0}, {0x460b, 0x35, 0, 0}, {0x460c, 0x22, 0, 0}, 395 {0x3824, 0x02, 0, 0}, {0x5001, 0xa3, 0, 0}, {0x3503, 0x00, 0, 0}, 396 {0x3035, 0x12, 0, 0}, 397 }; 398 399 static const struct reg_value ov5640_setting_15fps_XGA_1024_768[] = { 400 {0x3035, 0x22, 0, 0}, {0x3036, 0x38, 0, 0}, {0x3c07, 0x08, 0, 0}, 401 {0x3c09, 0x1c, 0, 0}, {0x3c0a, 0x9c, 0, 0}, {0x3c0b, 0x40, 0, 0}, 402 {0x3820, 0x41, 0, 0}, {0x3821, 0x07, 0, 0}, {0x3814, 0x31, 0, 0}, 403 {0x3815, 0x31, 0, 0}, {0x3800, 0x00, 0, 0}, {0x3801, 0x00, 0, 0}, 404 {0x3802, 0x00, 0, 0}, {0x3803, 0x04, 0, 0}, {0x3804, 0x0a, 0, 0}, 405 {0x3805, 0x3f, 0, 0}, {0x3806, 0x07, 0, 0}, {0x3807, 0x9b, 0, 0}, 406 {0x3810, 0x00, 0, 0}, 407 {0x3811, 0x10, 0, 0}, {0x3812, 0x00, 0, 0}, {0x3813, 0x06, 0, 0}, 408 {0x3618, 0x00, 0, 0}, {0x3612, 0x29, 0, 0}, {0x3708, 0x64, 0, 0}, 409 {0x3709, 0x52, 0, 0}, {0x370c, 0x03, 0, 0}, {0x3a02, 0x03, 0, 0}, 410 {0x3a03, 0xd8, 0, 0}, {0x3a08, 0x01, 0, 0}, {0x3a09, 0x27, 0, 0}, 411 {0x3a0a, 0x00, 0, 0}, {0x3a0b, 0xf6, 0, 0}, {0x3a0e, 0x03, 0, 0}, 412 {0x3a0d, 0x04, 0, 0}, {0x3a14, 0x03, 0, 0}, {0x3a15, 0xd8, 0, 0}, 413 {0x4001, 0x02, 0, 0}, {0x4004, 0x02, 0, 0}, {0x4713, 0x03, 0, 0}, 414 {0x4407, 0x04, 0, 0}, {0x460b, 0x35, 0, 0}, {0x460c, 0x22, 0, 0}, 415 {0x3824, 0x02, 0, 0}, {0x5001, 0xa3, 0, 0}, 416 }; 417 418 static const struct reg_value ov5640_setting_30fps_QVGA_320_240[] = { 419 {0x3035, 0x14, 0, 0}, {0x3036, 0x38, 0, 0}, {0x3c07, 0x08, 0, 0}, 420 {0x3c09, 0x1c, 0, 0}, {0x3c0a, 0x9c, 0, 0}, {0x3c0b, 0x40, 0, 0}, 421 {0x3820, 0x41, 0, 0}, {0x3821, 0x07, 0, 0}, {0x3814, 0x31, 0, 0}, 422 {0x3815, 0x31, 0, 0}, {0x3800, 0x00, 0, 0}, {0x3801, 0x00, 0, 0}, 423 {0x3802, 0x00, 0, 0}, {0x3803, 0x04, 0, 0}, {0x3804, 0x0a, 0, 0}, 424 {0x3805, 0x3f, 0, 0}, {0x3806, 0x07, 0, 0}, {0x3807, 0x9b, 0, 0}, 425 {0x3810, 0x00, 0, 0}, 426 {0x3811, 0x10, 0, 0}, {0x3812, 0x00, 0, 0}, {0x3813, 0x06, 0, 0}, 427 {0x3618, 0x00, 0, 0}, {0x3612, 0x29, 0, 0}, {0x3708, 0x64, 0, 0}, 428 {0x3709, 0x52, 0, 0}, {0x370c, 0x03, 0, 0}, {0x3a02, 0x03, 0, 0}, 429 {0x3a03, 0xd8, 0, 0}, {0x3a08, 0x01, 0, 0}, {0x3a09, 0x27, 0, 0}, 430 {0x3a0a, 0x00, 0, 0}, {0x3a0b, 0xf6, 0, 0}, {0x3a0e, 0x03, 0, 0}, 431 {0x3a0d, 0x04, 0, 0}, {0x3a14, 0x03, 0, 0}, {0x3a15, 0xd8, 0, 0}, 432 {0x4001, 0x02, 0, 0}, {0x4004, 0x02, 0, 0}, {0x4713, 0x03, 0, 0}, 433 {0x4407, 0x04, 0, 0}, {0x460b, 0x35, 0, 0}, {0x460c, 0x22, 0, 0}, 434 {0x3824, 0x02, 0, 0}, {0x5001, 0xa3, 0, 0}, 435 }; 436 437 static const struct reg_value ov5640_setting_15fps_QVGA_320_240[] = { 438 {0x3035, 0x22, 0, 0}, {0x3036, 0x38, 0, 0}, {0x3c07, 0x08, 0, 0}, 439 {0x3c09, 0x1c, 0, 0}, {0x3c0a, 0x9c, 0, 0}, {0x3c0b, 0x40, 0, 0}, 440 {0x3820, 0x41, 0, 0}, {0x3821, 0x07, 0, 0}, {0x3814, 0x31, 0, 0}, 441 {0x3815, 0x31, 0, 0}, {0x3800, 0x00, 0, 0}, {0x3801, 0x00, 0, 0}, 442 {0x3802, 0x00, 0, 0}, {0x3803, 0x04, 0, 0}, {0x3804, 0x0a, 0, 0}, 443 {0x3805, 0x3f, 0, 0}, {0x3806, 0x07, 0, 0}, {0x3807, 0x9b, 0, 0}, 444 {0x3810, 0x00, 0, 0}, 445 {0x3811, 0x10, 0, 0}, {0x3812, 0x00, 0, 0}, {0x3813, 0x06, 0, 0}, 446 {0x3618, 0x00, 0, 0}, {0x3612, 0x29, 0, 0}, {0x3708, 0x64, 0, 0}, 447 {0x3709, 0x52, 0, 0}, {0x370c, 0x03, 0, 0}, {0x3a02, 0x03, 0, 0}, 448 {0x3a03, 0xd8, 0, 0}, {0x3a08, 0x01, 0, 0}, {0x3a09, 0x27, 0, 0}, 449 {0x3a0a, 0x00, 0, 0}, {0x3a0b, 0xf6, 0, 0}, {0x3a0e, 0x03, 0, 0}, 450 {0x3a0d, 0x04, 0, 0}, {0x3a14, 0x03, 0, 0}, {0x3a15, 0xd8, 0, 0}, 451 {0x4001, 0x02, 0, 0}, {0x4004, 0x02, 0, 0}, {0x4713, 0x03, 0, 0}, 452 {0x4407, 0x04, 0, 0}, {0x460b, 0x35, 0, 0}, {0x460c, 0x22, 0, 0}, 453 {0x3824, 0x02, 0, 0}, {0x5001, 0xa3, 0, 0}, 454 }; 455 456 static const struct reg_value ov5640_setting_30fps_QCIF_176_144[] = { 457 {0x3035, 0x14, 0, 0}, {0x3036, 0x38, 0, 0}, {0x3c07, 0x08, 0, 0}, 458 {0x3c09, 0x1c, 0, 0}, {0x3c0a, 0x9c, 0, 0}, {0x3c0b, 0x40, 0, 0}, 459 {0x3820, 0x41, 0, 0}, {0x3821, 0x07, 0, 0}, {0x3814, 0x31, 0, 0}, 460 {0x3815, 0x31, 0, 0}, {0x3800, 0x00, 0, 0}, {0x3801, 0x00, 0, 0}, 461 {0x3802, 0x00, 0, 0}, {0x3803, 0x04, 0, 0}, {0x3804, 0x0a, 0, 0}, 462 {0x3805, 0x3f, 0, 0}, {0x3806, 0x07, 0, 0}, {0x3807, 0x9b, 0, 0}, 463 {0x3810, 0x00, 0, 0}, 464 {0x3811, 0x10, 0, 0}, {0x3812, 0x00, 0, 0}, {0x3813, 0x06, 0, 0}, 465 {0x3618, 0x00, 0, 0}, {0x3612, 0x29, 0, 0}, {0x3708, 0x64, 0, 0}, 466 {0x3709, 0x52, 0, 0}, {0x370c, 0x03, 0, 0}, {0x3a02, 0x03, 0, 0}, 467 {0x3a03, 0xd8, 0, 0}, {0x3a08, 0x01, 0, 0}, {0x3a09, 0x27, 0, 0}, 468 {0x3a0a, 0x00, 0, 0}, {0x3a0b, 0xf6, 0, 0}, {0x3a0e, 0x03, 0, 0}, 469 {0x3a0d, 0x04, 0, 0}, {0x3a14, 0x03, 0, 0}, {0x3a15, 0xd8, 0, 0}, 470 {0x4001, 0x02, 0, 0}, {0x4004, 0x02, 0, 0}, {0x4713, 0x03, 0, 0}, 471 {0x4407, 0x04, 0, 0}, {0x460b, 0x35, 0, 0}, {0x460c, 0x22, 0, 0}, 472 {0x3824, 0x02, 0, 0}, {0x5001, 0xa3, 0, 0}, 473 }; 474 475 static const struct reg_value ov5640_setting_15fps_QCIF_176_144[] = { 476 {0x3035, 0x22, 0, 0}, {0x3036, 0x38, 0, 0}, {0x3c07, 0x08, 0, 0}, 477 {0x3c09, 0x1c, 0, 0}, {0x3c0a, 0x9c, 0, 0}, {0x3c0b, 0x40, 0, 0}, 478 {0x3820, 0x41, 0, 0}, {0x3821, 0x07, 0, 0}, {0x3814, 0x31, 0, 0}, 479 {0x3815, 0x31, 0, 0}, {0x3800, 0x00, 0, 0}, {0x3801, 0x00, 0, 0}, 480 {0x3802, 0x00, 0, 0}, {0x3803, 0x04, 0, 0}, {0x3804, 0x0a, 0, 0}, 481 {0x3805, 0x3f, 0, 0}, {0x3806, 0x07, 0, 0}, {0x3807, 0x9b, 0, 0}, 482 {0x3810, 0x00, 0, 0}, 483 {0x3811, 0x10, 0, 0}, {0x3812, 0x00, 0, 0}, {0x3813, 0x06, 0, 0}, 484 {0x3618, 0x00, 0, 0}, {0x3612, 0x29, 0, 0}, {0x3708, 0x64, 0, 0}, 485 {0x3709, 0x52, 0, 0}, {0x370c, 0x03, 0, 0}, {0x3a02, 0x03, 0, 0}, 486 {0x3a03, 0xd8, 0, 0}, {0x3a08, 0x01, 0, 0}, {0x3a09, 0x27, 0, 0}, 487 {0x3a0a, 0x00, 0, 0}, {0x3a0b, 0xf6, 0, 0}, {0x3a0e, 0x03, 0, 0}, 488 {0x3a0d, 0x04, 0, 0}, {0x3a14, 0x03, 0, 0}, {0x3a15, 0xd8, 0, 0}, 489 {0x4001, 0x02, 0, 0}, {0x4004, 0x02, 0, 0}, {0x4713, 0x03, 0, 0}, 490 {0x4407, 0x04, 0, 0}, {0x460b, 0x35, 0, 0}, {0x460c, 0x22, 0, 0}, 491 {0x3824, 0x02, 0, 0}, {0x5001, 0xa3, 0, 0}, 492 }; 493 494 static const struct reg_value ov5640_setting_30fps_NTSC_720_480[] = { 495 {0x3035, 0x12, 0, 0}, {0x3036, 0x38, 0, 0}, {0x3c07, 0x08, 0, 0}, 496 {0x3c09, 0x1c, 0, 0}, {0x3c0a, 0x9c, 0, 0}, {0x3c0b, 0x40, 0, 0}, 497 {0x3820, 0x41, 0, 0}, {0x3821, 0x07, 0, 0}, {0x3814, 0x31, 0, 0}, 498 {0x3815, 0x31, 0, 0}, {0x3800, 0x00, 0, 0}, {0x3801, 0x00, 0, 0}, 499 {0x3802, 0x00, 0, 0}, {0x3803, 0x04, 0, 0}, {0x3804, 0x0a, 0, 0}, 500 {0x3805, 0x3f, 0, 0}, {0x3806, 0x07, 0, 0}, {0x3807, 0x9b, 0, 0}, 501 {0x3810, 0x00, 0, 0}, 502 {0x3811, 0x10, 0, 0}, {0x3812, 0x00, 0, 0}, {0x3813, 0x3c, 0, 0}, 503 {0x3618, 0x00, 0, 0}, {0x3612, 0x29, 0, 0}, {0x3708, 0x64, 0, 0}, 504 {0x3709, 0x52, 0, 0}, {0x370c, 0x03, 0, 0}, {0x3a02, 0x03, 0, 0}, 505 {0x3a03, 0xd8, 0, 0}, {0x3a08, 0x01, 0, 0}, {0x3a09, 0x27, 0, 0}, 506 {0x3a0a, 0x00, 0, 0}, {0x3a0b, 0xf6, 0, 0}, {0x3a0e, 0x03, 0, 0}, 507 {0x3a0d, 0x04, 0, 0}, {0x3a14, 0x03, 0, 0}, {0x3a15, 0xd8, 0, 0}, 508 {0x4001, 0x02, 0, 0}, {0x4004, 0x02, 0, 0}, {0x4713, 0x03, 0, 0}, 509 {0x4407, 0x04, 0, 0}, {0x460b, 0x35, 0, 0}, {0x460c, 0x22, 0, 0}, 510 {0x3824, 0x02, 0, 0}, {0x5001, 0xa3, 0, 0}, 511 }; 512 513 static const struct reg_value ov5640_setting_15fps_NTSC_720_480[] = { 514 {0x3035, 0x22, 0, 0}, {0x3036, 0x38, 0, 0}, {0x3c07, 0x08, 0, 0}, 515 {0x3c09, 0x1c, 0, 0}, {0x3c0a, 0x9c, 0, 0}, {0x3c0b, 0x40, 0, 0}, 516 {0x3820, 0x41, 0, 0}, {0x3821, 0x07, 0, 0}, {0x3814, 0x31, 0, 0}, 517 {0x3815, 0x31, 0, 0}, {0x3800, 0x00, 0, 0}, {0x3801, 0x00, 0, 0}, 518 {0x3802, 0x00, 0, 0}, {0x3803, 0x04, 0, 0}, {0x3804, 0x0a, 0, 0}, 519 {0x3805, 0x3f, 0, 0}, {0x3806, 0x07, 0, 0}, {0x3807, 0x9b, 0, 0}, 520 {0x3810, 0x00, 0, 0}, 521 {0x3811, 0x10, 0, 0}, {0x3812, 0x00, 0, 0}, {0x3813, 0x3c, 0, 0}, 522 {0x3618, 0x00, 0, 0}, {0x3612, 0x29, 0, 0}, {0x3708, 0x64, 0, 0}, 523 {0x3709, 0x52, 0, 0}, {0x370c, 0x03, 0, 0}, {0x3a02, 0x03, 0, 0}, 524 {0x3a03, 0xd8, 0, 0}, {0x3a08, 0x01, 0, 0}, {0x3a09, 0x27, 0, 0}, 525 {0x3a0a, 0x00, 0, 0}, {0x3a0b, 0xf6, 0, 0}, {0x3a0e, 0x03, 0, 0}, 526 {0x3a0d, 0x04, 0, 0}, {0x3a14, 0x03, 0, 0}, {0x3a15, 0xd8, 0, 0}, 527 {0x4001, 0x02, 0, 0}, {0x4004, 0x02, 0, 0}, {0x4713, 0x03, 0, 0}, 528 {0x4407, 0x04, 0, 0}, {0x460b, 0x35, 0, 0}, {0x460c, 0x22, 0, 0}, 529 {0x3824, 0x02, 0, 0}, {0x5001, 0xa3, 0, 0}, 530 }; 531 532 static const struct reg_value ov5640_setting_30fps_PAL_720_576[] = { 533 {0x3035, 0x12, 0, 0}, {0x3036, 0x38, 0, 0}, {0x3c07, 0x08, 0, 0}, 534 {0x3c09, 0x1c, 0, 0}, {0x3c0a, 0x9c, 0, 0}, {0x3c0b, 0x40, 0, 0}, 535 {0x3820, 0x41, 0, 0}, {0x3821, 0x07, 0, 0}, {0x3814, 0x31, 0, 0}, 536 {0x3815, 0x31, 0, 0}, {0x3800, 0x00, 0, 0}, {0x3801, 0x00, 0, 0}, 537 {0x3802, 0x00, 0, 0}, {0x3803, 0x04, 0, 0}, {0x3804, 0x0a, 0, 0}, 538 {0x3805, 0x3f, 0, 0}, {0x3806, 0x07, 0, 0}, {0x3807, 0x9b, 0, 0}, 539 {0x3810, 0x00, 0, 0}, 540 {0x3811, 0x38, 0, 0}, {0x3812, 0x00, 0, 0}, {0x3813, 0x06, 0, 0}, 541 {0x3618, 0x00, 0, 0}, {0x3612, 0x29, 0, 0}, {0x3708, 0x64, 0, 0}, 542 {0x3709, 0x52, 0, 0}, {0x370c, 0x03, 0, 0}, {0x3a02, 0x03, 0, 0}, 543 {0x3a03, 0xd8, 0, 0}, {0x3a08, 0x01, 0, 0}, {0x3a09, 0x27, 0, 0}, 544 {0x3a0a, 0x00, 0, 0}, {0x3a0b, 0xf6, 0, 0}, {0x3a0e, 0x03, 0, 0}, 545 {0x3a0d, 0x04, 0, 0}, {0x3a14, 0x03, 0, 0}, {0x3a15, 0xd8, 0, 0}, 546 {0x4001, 0x02, 0, 0}, {0x4004, 0x02, 0, 0}, {0x4713, 0x03, 0, 0}, 547 {0x4407, 0x04, 0, 0}, {0x460b, 0x35, 0, 0}, {0x460c, 0x22, 0, 0}, 548 {0x3824, 0x02, 0, 0}, {0x5001, 0xa3, 0, 0}, 549 }; 550 551 static const struct reg_value ov5640_setting_15fps_PAL_720_576[] = { 552 {0x3035, 0x22, 0, 0}, {0x3036, 0x38, 0, 0}, {0x3c07, 0x08, 0, 0}, 553 {0x3c09, 0x1c, 0, 0}, {0x3c0a, 0x9c, 0, 0}, {0x3c0b, 0x40, 0, 0}, 554 {0x3820, 0x41, 0, 0}, {0x3821, 0x07, 0, 0}, {0x3814, 0x31, 0, 0}, 555 {0x3815, 0x31, 0, 0}, {0x3800, 0x00, 0, 0}, {0x3801, 0x00, 0, 0}, 556 {0x3802, 0x00, 0, 0}, {0x3803, 0x04, 0, 0}, {0x3804, 0x0a, 0, 0}, 557 {0x3805, 0x3f, 0, 0}, {0x3806, 0x07, 0, 0}, {0x3807, 0x9b, 0, 0}, 558 {0x3810, 0x00, 0, 0}, 559 {0x3811, 0x38, 0, 0}, {0x3812, 0x00, 0, 0}, {0x3813, 0x06, 0, 0}, 560 {0x3618, 0x00, 0, 0}, {0x3612, 0x29, 0, 0}, {0x3708, 0x64, 0, 0}, 561 {0x3709, 0x52, 0, 0}, {0x370c, 0x03, 0, 0}, {0x3a02, 0x03, 0, 0}, 562 {0x3a03, 0xd8, 0, 0}, {0x3a08, 0x01, 0, 0}, {0x3a09, 0x27, 0, 0}, 563 {0x3a0a, 0x00, 0, 0}, {0x3a0b, 0xf6, 0, 0}, {0x3a0e, 0x03, 0, 0}, 564 {0x3a0d, 0x04, 0, 0}, {0x3a14, 0x03, 0, 0}, {0x3a15, 0xd8, 0, 0}, 565 {0x4001, 0x02, 0, 0}, {0x4004, 0x02, 0, 0}, {0x4713, 0x03, 0, 0}, 566 {0x4407, 0x04, 0, 0}, {0x460b, 0x35, 0, 0}, {0x460c, 0x22, 0, 0}, 567 {0x3824, 0x02, 0, 0}, {0x5001, 0xa3, 0, 0}, 568 }; 569 570 static const struct reg_value ov5640_setting_30fps_720P_1280_720[] = { 571 {0x3008, 0x42, 0, 0}, 572 {0x3035, 0x21, 0, 0}, {0x3036, 0x54, 0, 0}, {0x3c07, 0x07, 0, 0}, 573 {0x3c09, 0x1c, 0, 0}, {0x3c0a, 0x9c, 0, 0}, {0x3c0b, 0x40, 0, 0}, 574 {0x3820, 0x41, 0, 0}, {0x3821, 0x07, 0, 0}, {0x3814, 0x31, 0, 0}, 575 {0x3815, 0x31, 0, 0}, {0x3800, 0x00, 0, 0}, {0x3801, 0x00, 0, 0}, 576 {0x3802, 0x00, 0, 0}, {0x3803, 0xfa, 0, 0}, {0x3804, 0x0a, 0, 0}, 577 {0x3805, 0x3f, 0, 0}, {0x3806, 0x06, 0, 0}, {0x3807, 0xa9, 0, 0}, 578 {0x3810, 0x00, 0, 0}, 579 {0x3811, 0x10, 0, 0}, {0x3812, 0x00, 0, 0}, {0x3813, 0x04, 0, 0}, 580 {0x3618, 0x00, 0, 0}, {0x3612, 0x29, 0, 0}, {0x3708, 0x64, 0, 0}, 581 {0x3709, 0x52, 0, 0}, {0x370c, 0x03, 0, 0}, {0x3a02, 0x02, 0, 0}, 582 {0x3a03, 0xe4, 0, 0}, {0x3a08, 0x01, 0, 0}, {0x3a09, 0xbc, 0, 0}, 583 {0x3a0a, 0x01, 0, 0}, {0x3a0b, 0x72, 0, 0}, {0x3a0e, 0x01, 0, 0}, 584 {0x3a0d, 0x02, 0, 0}, {0x3a14, 0x02, 0, 0}, {0x3a15, 0xe4, 0, 0}, 585 {0x4001, 0x02, 0, 0}, {0x4004, 0x02, 0, 0}, {0x4713, 0x02, 0, 0}, 586 {0x4407, 0x04, 0, 0}, {0x460b, 0x37, 0, 0}, {0x460c, 0x20, 0, 0}, 587 {0x3824, 0x04, 0, 0}, {0x5001, 0x83, 0, 0}, {0x4005, 0x1a, 0, 0}, 588 {0x3008, 0x02, 0, 0}, {0x3503, 0, 0, 0}, 589 }; 590 591 static const struct reg_value ov5640_setting_15fps_720P_1280_720[] = { 592 {0x3035, 0x41, 0, 0}, {0x3036, 0x54, 0, 0}, {0x3c07, 0x07, 0, 0}, 593 {0x3c09, 0x1c, 0, 0}, {0x3c0a, 0x9c, 0, 0}, {0x3c0b, 0x40, 0, 0}, 594 {0x3820, 0x41, 0, 0}, {0x3821, 0x07, 0, 0}, {0x3814, 0x31, 0, 0}, 595 {0x3815, 0x31, 0, 0}, {0x3800, 0x00, 0, 0}, {0x3801, 0x00, 0, 0}, 596 {0x3802, 0x00, 0, 0}, {0x3803, 0xfa, 0, 0}, {0x3804, 0x0a, 0, 0}, 597 {0x3805, 0x3f, 0, 0}, {0x3806, 0x06, 0, 0}, {0x3807, 0xa9, 0, 0}, 598 {0x3810, 0x00, 0, 0}, 599 {0x3811, 0x10, 0, 0}, {0x3812, 0x00, 0, 0}, {0x3813, 0x04, 0, 0}, 600 {0x3618, 0x00, 0, 0}, {0x3612, 0x29, 0, 0}, {0x3708, 0x64, 0, 0}, 601 {0x3709, 0x52, 0, 0}, {0x370c, 0x03, 0, 0}, {0x3a02, 0x02, 0, 0}, 602 {0x3a03, 0xe4, 0, 0}, {0x3a08, 0x01, 0, 0}, {0x3a09, 0xbc, 0, 0}, 603 {0x3a0a, 0x01, 0, 0}, {0x3a0b, 0x72, 0, 0}, {0x3a0e, 0x01, 0, 0}, 604 {0x3a0d, 0x02, 0, 0}, {0x3a14, 0x02, 0, 0}, {0x3a15, 0xe4, 0, 0}, 605 {0x4001, 0x02, 0, 0}, {0x4004, 0x02, 0, 0}, {0x4713, 0x02, 0, 0}, 606 {0x4407, 0x04, 0, 0}, {0x460b, 0x37, 0, 0}, {0x460c, 0x20, 0, 0}, 607 {0x3824, 0x04, 0, 0}, {0x5001, 0x83, 0, 0}, 608 }; 609 610 static const struct reg_value ov5640_setting_30fps_1080P_1920_1080[] = { 611 {0x3008, 0x42, 0, 0}, 612 {0x3035, 0x21, 0, 0}, {0x3036, 0x54, 0, 0}, {0x3c07, 0x08, 0, 0}, 613 {0x3c09, 0x1c, 0, 0}, {0x3c0a, 0x9c, 0, 0}, {0x3c0b, 0x40, 0, 0}, 614 {0x3820, 0x40, 0, 0}, {0x3821, 0x06, 0, 0}, {0x3814, 0x11, 0, 0}, 615 {0x3815, 0x11, 0, 0}, {0x3800, 0x00, 0, 0}, {0x3801, 0x00, 0, 0}, 616 {0x3802, 0x00, 0, 0}, {0x3803, 0x00, 0, 0}, {0x3804, 0x0a, 0, 0}, 617 {0x3805, 0x3f, 0, 0}, {0x3806, 0x07, 0, 0}, {0x3807, 0x9f, 0, 0}, 618 {0x3810, 0x00, 0, 0}, 619 {0x3811, 0x10, 0, 0}, {0x3812, 0x00, 0, 0}, {0x3813, 0x04, 0, 0}, 620 {0x3618, 0x04, 0, 0}, {0x3612, 0x29, 0, 0}, {0x3708, 0x21, 0, 0}, 621 {0x3709, 0x12, 0, 0}, {0x370c, 0x00, 0, 0}, {0x3a02, 0x03, 0, 0}, 622 {0x3a03, 0xd8, 0, 0}, {0x3a08, 0x01, 0, 0}, {0x3a09, 0x27, 0, 0}, 623 {0x3a0a, 0x00, 0, 0}, {0x3a0b, 0xf6, 0, 0}, {0x3a0e, 0x03, 0, 0}, 624 {0x3a0d, 0x04, 0, 0}, {0x3a14, 0x03, 0, 0}, {0x3a15, 0xd8, 0, 0}, 625 {0x4001, 0x02, 0, 0}, {0x4004, 0x06, 0, 0}, {0x4713, 0x03, 0, 0}, 626 {0x4407, 0x04, 0, 0}, {0x460b, 0x35, 0, 0}, {0x460c, 0x22, 0, 0}, 627 {0x3824, 0x02, 0, 0}, {0x5001, 0x83, 0, 0}, {0x3035, 0x11, 0, 0}, 628 {0x3036, 0x54, 0, 0}, {0x3c07, 0x07, 0, 0}, {0x3c08, 0x00, 0, 0}, 629 {0x3c09, 0x1c, 0, 0}, {0x3c0a, 0x9c, 0, 0}, {0x3c0b, 0x40, 0, 0}, 630 {0x3800, 0x01, 0, 0}, {0x3801, 0x50, 0, 0}, {0x3802, 0x01, 0, 0}, 631 {0x3803, 0xb2, 0, 0}, {0x3804, 0x08, 0, 0}, {0x3805, 0xef, 0, 0}, 632 {0x3806, 0x05, 0, 0}, {0x3807, 0xf1, 0, 0}, 633 {0x3612, 0x2b, 0, 0}, {0x3708, 0x64, 0, 0}, 634 {0x3a02, 0x04, 0, 0}, {0x3a03, 0x60, 0, 0}, {0x3a08, 0x01, 0, 0}, 635 {0x3a09, 0x50, 0, 0}, {0x3a0a, 0x01, 0, 0}, {0x3a0b, 0x18, 0, 0}, 636 {0x3a0e, 0x03, 0, 0}, {0x3a0d, 0x04, 0, 0}, {0x3a14, 0x04, 0, 0}, 637 {0x3a15, 0x60, 0, 0}, {0x4713, 0x02, 0, 0}, {0x4407, 0x04, 0, 0}, 638 {0x460b, 0x37, 0, 0}, {0x460c, 0x20, 0, 0}, {0x3824, 0x04, 0, 0}, 639 {0x4005, 0x1a, 0, 0}, {0x3008, 0x02, 0, 0}, 640 {0x3503, 0, 0, 0}, 641 }; 642 643 static const struct reg_value ov5640_setting_15fps_1080P_1920_1080[] = { 644 {0x3008, 0x42, 0, 0}, 645 {0x3035, 0x21, 0, 0}, {0x3036, 0x54, 0, 0}, {0x3c07, 0x08, 0, 0}, 646 {0x3c09, 0x1c, 0, 0}, {0x3c0a, 0x9c, 0, 0}, {0x3c0b, 0x40, 0, 0}, 647 {0x3820, 0x40, 0, 0}, {0x3821, 0x06, 0, 0}, {0x3814, 0x11, 0, 0}, 648 {0x3815, 0x11, 0, 0}, {0x3800, 0x00, 0, 0}, {0x3801, 0x00, 0, 0}, 649 {0x3802, 0x00, 0, 0}, {0x3803, 0x00, 0, 0}, {0x3804, 0x0a, 0, 0}, 650 {0x3805, 0x3f, 0, 0}, {0x3806, 0x07, 0, 0}, {0x3807, 0x9f, 0, 0}, 651 {0x3810, 0x00, 0, 0}, 652 {0x3811, 0x10, 0, 0}, {0x3812, 0x00, 0, 0}, {0x3813, 0x04, 0, 0}, 653 {0x3618, 0x04, 0, 0}, {0x3612, 0x29, 0, 0}, {0x3708, 0x21, 0, 0}, 654 {0x3709, 0x12, 0, 0}, {0x370c, 0x00, 0, 0}, {0x3a02, 0x03, 0, 0}, 655 {0x3a03, 0xd8, 0, 0}, {0x3a08, 0x01, 0, 0}, {0x3a09, 0x27, 0, 0}, 656 {0x3a0a, 0x00, 0, 0}, {0x3a0b, 0xf6, 0, 0}, {0x3a0e, 0x03, 0, 0}, 657 {0x3a0d, 0x04, 0, 0}, {0x3a14, 0x03, 0, 0}, {0x3a15, 0xd8, 0, 0}, 658 {0x4001, 0x02, 0, 0}, {0x4004, 0x06, 0, 0}, {0x4713, 0x03, 0, 0}, 659 {0x4407, 0x04, 0, 0}, {0x460b, 0x35, 0, 0}, {0x460c, 0x22, 0, 0}, 660 {0x3824, 0x02, 0, 0}, {0x5001, 0x83, 0, 0}, {0x3035, 0x21, 0, 0}, 661 {0x3036, 0x54, 0, 1}, {0x3c07, 0x07, 0, 0}, {0x3c08, 0x00, 0, 0}, 662 {0x3c09, 0x1c, 0, 0}, {0x3c0a, 0x9c, 0, 0}, {0x3c0b, 0x40, 0, 0}, 663 {0x3800, 0x01, 0, 0}, {0x3801, 0x50, 0, 0}, {0x3802, 0x01, 0, 0}, 664 {0x3803, 0xb2, 0, 0}, {0x3804, 0x08, 0, 0}, {0x3805, 0xef, 0, 0}, 665 {0x3806, 0x05, 0, 0}, {0x3807, 0xf1, 0, 0}, 666 {0x3612, 0x2b, 0, 0}, {0x3708, 0x64, 0, 0}, 667 {0x3a02, 0x04, 0, 0}, {0x3a03, 0x60, 0, 0}, {0x3a08, 0x01, 0, 0}, 668 {0x3a09, 0x50, 0, 0}, {0x3a0a, 0x01, 0, 0}, {0x3a0b, 0x18, 0, 0}, 669 {0x3a0e, 0x03, 0, 0}, {0x3a0d, 0x04, 0, 0}, {0x3a14, 0x04, 0, 0}, 670 {0x3a15, 0x60, 0, 0}, {0x4713, 0x02, 0, 0}, {0x4407, 0x04, 0, 0}, 671 {0x460b, 0x37, 0, 0}, {0x460c, 0x20, 0, 0}, {0x3824, 0x04, 0, 0}, 672 {0x4005, 0x1a, 0, 0}, {0x3008, 0x02, 0, 0}, {0x3503, 0, 0, 0}, 673 }; 674 675 static const struct reg_value ov5640_setting_15fps_QSXGA_2592_1944[] = { 676 {0x3820, 0x40, 0, 0}, {0x3821, 0x06, 0, 0}, 677 {0x3035, 0x21, 0, 0}, {0x3036, 0x54, 0, 0}, {0x3c07, 0x08, 0, 0}, 678 {0x3c09, 0x1c, 0, 0}, {0x3c0a, 0x9c, 0, 0}, {0x3c0b, 0x40, 0, 0}, 679 {0x3820, 0x40, 0, 0}, {0x3821, 0x06, 0, 0}, {0x3814, 0x11, 0, 0}, 680 {0x3815, 0x11, 0, 0}, {0x3800, 0x00, 0, 0}, {0x3801, 0x00, 0, 0}, 681 {0x3802, 0x00, 0, 0}, {0x3803, 0x00, 0, 0}, {0x3804, 0x0a, 0, 0}, 682 {0x3805, 0x3f, 0, 0}, {0x3806, 0x07, 0, 0}, {0x3807, 0x9f, 0, 0}, 683 {0x3810, 0x00, 0, 0}, 684 {0x3811, 0x10, 0, 0}, {0x3812, 0x00, 0, 0}, {0x3813, 0x04, 0, 0}, 685 {0x3618, 0x04, 0, 0}, {0x3612, 0x29, 0, 0}, {0x3708, 0x21, 0, 0}, 686 {0x3709, 0x12, 0, 0}, {0x370c, 0x00, 0, 0}, {0x3a02, 0x03, 0, 0}, 687 {0x3a03, 0xd8, 0, 0}, {0x3a08, 0x01, 0, 0}, {0x3a09, 0x27, 0, 0}, 688 {0x3a0a, 0x00, 0, 0}, {0x3a0b, 0xf6, 0, 0}, {0x3a0e, 0x03, 0, 0}, 689 {0x3a0d, 0x04, 0, 0}, {0x3a14, 0x03, 0, 0}, {0x3a15, 0xd8, 0, 0}, 690 {0x4001, 0x02, 0, 0}, {0x4004, 0x06, 0, 0}, {0x4713, 0x03, 0, 0}, 691 {0x4407, 0x04, 0, 0}, {0x460b, 0x35, 0, 0}, {0x460c, 0x22, 0, 0}, 692 {0x3824, 0x02, 0, 0}, {0x5001, 0x83, 0, 70}, 693 }; 694 695 /* power-on sensor init reg table */ 696 static const struct ov5640_mode_info ov5640_mode_init_data = { 697 0, SUBSAMPLING, 640, 1896, 480, 984, 698 ov5640_init_setting_30fps_VGA, 699 ARRAY_SIZE(ov5640_init_setting_30fps_VGA), 700 }; 701 702 static const struct ov5640_mode_info 703 ov5640_mode_data[OV5640_NUM_FRAMERATES][OV5640_NUM_MODES] = { 704 { 705 {OV5640_MODE_QCIF_176_144, SUBSAMPLING, 706 176, 1896, 144, 984, 707 ov5640_setting_15fps_QCIF_176_144, 708 ARRAY_SIZE(ov5640_setting_15fps_QCIF_176_144)}, 709 {OV5640_MODE_QVGA_320_240, SUBSAMPLING, 710 320, 1896, 240, 984, 711 ov5640_setting_15fps_QVGA_320_240, 712 ARRAY_SIZE(ov5640_setting_15fps_QVGA_320_240)}, 713 {OV5640_MODE_VGA_640_480, SUBSAMPLING, 714 640, 1896, 480, 1080, 715 ov5640_setting_15fps_VGA_640_480, 716 ARRAY_SIZE(ov5640_setting_15fps_VGA_640_480)}, 717 {OV5640_MODE_NTSC_720_480, SUBSAMPLING, 718 720, 1896, 480, 984, 719 ov5640_setting_15fps_NTSC_720_480, 720 ARRAY_SIZE(ov5640_setting_15fps_NTSC_720_480)}, 721 {OV5640_MODE_PAL_720_576, SUBSAMPLING, 722 720, 1896, 576, 984, 723 ov5640_setting_15fps_PAL_720_576, 724 ARRAY_SIZE(ov5640_setting_15fps_PAL_720_576)}, 725 {OV5640_MODE_XGA_1024_768, SUBSAMPLING, 726 1024, 1896, 768, 1080, 727 ov5640_setting_15fps_XGA_1024_768, 728 ARRAY_SIZE(ov5640_setting_15fps_XGA_1024_768)}, 729 {OV5640_MODE_720P_1280_720, SUBSAMPLING, 730 1280, 1892, 720, 740, 731 ov5640_setting_15fps_720P_1280_720, 732 ARRAY_SIZE(ov5640_setting_15fps_720P_1280_720)}, 733 {OV5640_MODE_1080P_1920_1080, SCALING, 734 1920, 2500, 1080, 1120, 735 ov5640_setting_15fps_1080P_1920_1080, 736 ARRAY_SIZE(ov5640_setting_15fps_1080P_1920_1080)}, 737 {OV5640_MODE_QSXGA_2592_1944, SCALING, 738 2592, 2844, 1944, 1968, 739 ov5640_setting_15fps_QSXGA_2592_1944, 740 ARRAY_SIZE(ov5640_setting_15fps_QSXGA_2592_1944)}, 741 }, { 742 {OV5640_MODE_QCIF_176_144, SUBSAMPLING, 743 176, 1896, 144, 984, 744 ov5640_setting_30fps_QCIF_176_144, 745 ARRAY_SIZE(ov5640_setting_30fps_QCIF_176_144)}, 746 {OV5640_MODE_QVGA_320_240, SUBSAMPLING, 747 320, 1896, 240, 984, 748 ov5640_setting_30fps_QVGA_320_240, 749 ARRAY_SIZE(ov5640_setting_30fps_QVGA_320_240)}, 750 {OV5640_MODE_VGA_640_480, SUBSAMPLING, 751 640, 1896, 480, 1080, 752 ov5640_setting_30fps_VGA_640_480, 753 ARRAY_SIZE(ov5640_setting_30fps_VGA_640_480)}, 754 {OV5640_MODE_NTSC_720_480, SUBSAMPLING, 755 720, 1896, 480, 984, 756 ov5640_setting_30fps_NTSC_720_480, 757 ARRAY_SIZE(ov5640_setting_30fps_NTSC_720_480)}, 758 {OV5640_MODE_PAL_720_576, SUBSAMPLING, 759 720, 1896, 576, 984, 760 ov5640_setting_30fps_PAL_720_576, 761 ARRAY_SIZE(ov5640_setting_30fps_PAL_720_576)}, 762 {OV5640_MODE_XGA_1024_768, SUBSAMPLING, 763 1024, 1896, 768, 1080, 764 ov5640_setting_30fps_XGA_1024_768, 765 ARRAY_SIZE(ov5640_setting_30fps_XGA_1024_768)}, 766 {OV5640_MODE_720P_1280_720, SUBSAMPLING, 767 1280, 1892, 720, 740, 768 ov5640_setting_30fps_720P_1280_720, 769 ARRAY_SIZE(ov5640_setting_30fps_720P_1280_720)}, 770 {OV5640_MODE_1080P_1920_1080, SCALING, 771 1920, 2500, 1080, 1120, 772 ov5640_setting_30fps_1080P_1920_1080, 773 ARRAY_SIZE(ov5640_setting_30fps_1080P_1920_1080)}, 774 {OV5640_MODE_QSXGA_2592_1944, -1, 0, 0, 0, 0, NULL, 0}, 775 }, 776 }; 777 778 static int ov5640_init_slave_id(struct ov5640_dev *sensor) 779 { 780 struct i2c_client *client = sensor->i2c_client; 781 struct i2c_msg msg; 782 u8 buf[3]; 783 int ret; 784 785 if (client->addr == OV5640_DEFAULT_SLAVE_ID) 786 return 0; 787 788 buf[0] = OV5640_REG_SLAVE_ID >> 8; 789 buf[1] = OV5640_REG_SLAVE_ID & 0xff; 790 buf[2] = client->addr << 1; 791 792 msg.addr = OV5640_DEFAULT_SLAVE_ID; 793 msg.flags = 0; 794 msg.buf = buf; 795 msg.len = sizeof(buf); 796 797 ret = i2c_transfer(client->adapter, &msg, 1); 798 if (ret < 0) { 799 dev_err(&client->dev, "%s: failed with %d\n", __func__, ret); 800 return ret; 801 } 802 803 return 0; 804 } 805 806 static int ov5640_write_reg(struct ov5640_dev *sensor, u16 reg, u8 val) 807 { 808 struct i2c_client *client = sensor->i2c_client; 809 struct i2c_msg msg; 810 u8 buf[3]; 811 int ret; 812 813 buf[0] = reg >> 8; 814 buf[1] = reg & 0xff; 815 buf[2] = val; 816 817 msg.addr = client->addr; 818 msg.flags = client->flags; 819 msg.buf = buf; 820 msg.len = sizeof(buf); 821 822 ret = i2c_transfer(client->adapter, &msg, 1); 823 if (ret < 0) { 824 dev_err(&client->dev, "%s: error: reg=%x, val=%x\n", 825 __func__, reg, val); 826 return ret; 827 } 828 829 return 0; 830 } 831 832 static int ov5640_read_reg(struct ov5640_dev *sensor, u16 reg, u8 *val) 833 { 834 struct i2c_client *client = sensor->i2c_client; 835 struct i2c_msg msg[2]; 836 u8 buf[2]; 837 int ret; 838 839 buf[0] = reg >> 8; 840 buf[1] = reg & 0xff; 841 842 msg[0].addr = client->addr; 843 msg[0].flags = client->flags; 844 msg[0].buf = buf; 845 msg[0].len = sizeof(buf); 846 847 msg[1].addr = client->addr; 848 msg[1].flags = client->flags | I2C_M_RD; 849 msg[1].buf = buf; 850 msg[1].len = 1; 851 852 ret = i2c_transfer(client->adapter, msg, 2); 853 if (ret < 0) { 854 dev_err(&client->dev, "%s: error: reg=%x\n", 855 __func__, reg); 856 return ret; 857 } 858 859 *val = buf[0]; 860 return 0; 861 } 862 863 static int ov5640_read_reg16(struct ov5640_dev *sensor, u16 reg, u16 *val) 864 { 865 u8 hi, lo; 866 int ret; 867 868 ret = ov5640_read_reg(sensor, reg, &hi); 869 if (ret) 870 return ret; 871 ret = ov5640_read_reg(sensor, reg + 1, &lo); 872 if (ret) 873 return ret; 874 875 *val = ((u16)hi << 8) | (u16)lo; 876 return 0; 877 } 878 879 static int ov5640_write_reg16(struct ov5640_dev *sensor, u16 reg, u16 val) 880 { 881 int ret; 882 883 ret = ov5640_write_reg(sensor, reg, val >> 8); 884 if (ret) 885 return ret; 886 887 return ov5640_write_reg(sensor, reg + 1, val & 0xff); 888 } 889 890 static int ov5640_mod_reg(struct ov5640_dev *sensor, u16 reg, 891 u8 mask, u8 val) 892 { 893 u8 readval; 894 int ret; 895 896 ret = ov5640_read_reg(sensor, reg, &readval); 897 if (ret) 898 return ret; 899 900 readval &= ~mask; 901 val &= mask; 902 val |= readval; 903 904 return ov5640_write_reg(sensor, reg, val); 905 } 906 907 /* download ov5640 settings to sensor through i2c */ 908 static int ov5640_load_regs(struct ov5640_dev *sensor, 909 const struct ov5640_mode_info *mode) 910 { 911 const struct reg_value *regs = mode->reg_data; 912 unsigned int i; 913 u32 delay_ms; 914 u16 reg_addr; 915 u8 mask, val; 916 int ret = 0; 917 918 for (i = 0; i < mode->reg_data_size; ++i, ++regs) { 919 delay_ms = regs->delay_ms; 920 reg_addr = regs->reg_addr; 921 val = regs->val; 922 mask = regs->mask; 923 924 if (mask) 925 ret = ov5640_mod_reg(sensor, reg_addr, mask, val); 926 else 927 ret = ov5640_write_reg(sensor, reg_addr, val); 928 if (ret) 929 break; 930 931 if (delay_ms) 932 usleep_range(1000 * delay_ms, 1000 * delay_ms + 100); 933 } 934 935 return ret; 936 } 937 938 /* read exposure, in number of line periods */ 939 static int ov5640_get_exposure(struct ov5640_dev *sensor) 940 { 941 int exp, ret; 942 u8 temp; 943 944 ret = ov5640_read_reg(sensor, OV5640_REG_AEC_PK_EXPOSURE_HI, &temp); 945 if (ret) 946 return ret; 947 exp = ((int)temp & 0x0f) << 16; 948 ret = ov5640_read_reg(sensor, OV5640_REG_AEC_PK_EXPOSURE_MED, &temp); 949 if (ret) 950 return ret; 951 exp |= ((int)temp << 8); 952 ret = ov5640_read_reg(sensor, OV5640_REG_AEC_PK_EXPOSURE_LO, &temp); 953 if (ret) 954 return ret; 955 exp |= (int)temp; 956 957 return exp >> 4; 958 } 959 960 /* write exposure, given number of line periods */ 961 static int ov5640_set_exposure(struct ov5640_dev *sensor, u32 exposure) 962 { 963 int ret; 964 965 exposure <<= 4; 966 967 ret = ov5640_write_reg(sensor, 968 OV5640_REG_AEC_PK_EXPOSURE_LO, 969 exposure & 0xff); 970 if (ret) 971 return ret; 972 ret = ov5640_write_reg(sensor, 973 OV5640_REG_AEC_PK_EXPOSURE_MED, 974 (exposure >> 8) & 0xff); 975 if (ret) 976 return ret; 977 return ov5640_write_reg(sensor, 978 OV5640_REG_AEC_PK_EXPOSURE_HI, 979 (exposure >> 16) & 0x0f); 980 } 981 982 static int ov5640_get_gain(struct ov5640_dev *sensor) 983 { 984 u16 gain; 985 int ret; 986 987 ret = ov5640_read_reg16(sensor, OV5640_REG_AEC_PK_REAL_GAIN, &gain); 988 if (ret) 989 return ret; 990 991 return gain & 0x3ff; 992 } 993 994 static int ov5640_set_stream_dvp(struct ov5640_dev *sensor, bool on) 995 { 996 int ret; 997 unsigned int flags = sensor->ep.bus.parallel.flags; 998 u8 pclk_pol = 0; 999 u8 hsync_pol = 0; 1000 u8 vsync_pol = 0; 1001 1002 /* 1003 * Note about parallel port configuration. 1004 * 1005 * When configured in parallel mode, the OV5640 will 1006 * output 10 bits data on DVP data lines [9:0]. 1007 * If only 8 bits data are wanted, the 8 bits data lines 1008 * of the camera interface must be physically connected 1009 * on the DVP data lines [9:2]. 1010 * 1011 * Control lines polarity can be configured through 1012 * devicetree endpoint control lines properties. 1013 * If no endpoint control lines properties are set, 1014 * polarity will be as below: 1015 * - VSYNC: active high 1016 * - HREF: active low 1017 * - PCLK: active low 1018 */ 1019 1020 if (on) { 1021 /* 1022 * reset MIPI PCLK/SERCLK divider 1023 * 1024 * SC PLL CONTRL1 0 1025 * - [3..0]: MIPI PCLK/SERCLK divider 1026 */ 1027 ret = ov5640_mod_reg(sensor, OV5640_REG_SC_PLL_CTRL1, 0x0f, 0); 1028 if (ret) 1029 return ret; 1030 1031 /* 1032 * configure parallel port control lines polarity 1033 * 1034 * POLARITY CTRL0 1035 * - [5]: PCLK polarity (0: active low, 1: active high) 1036 * - [1]: HREF polarity (0: active low, 1: active high) 1037 * - [0]: VSYNC polarity (mismatch here between 1038 * datasheet and hardware, 0 is active high 1039 * and 1 is active low...) 1040 */ 1041 if (flags & V4L2_MBUS_PCLK_SAMPLE_RISING) 1042 pclk_pol = 1; 1043 if (flags & V4L2_MBUS_HSYNC_ACTIVE_HIGH) 1044 hsync_pol = 1; 1045 if (flags & V4L2_MBUS_VSYNC_ACTIVE_LOW) 1046 vsync_pol = 1; 1047 1048 ret = ov5640_write_reg(sensor, 1049 OV5640_REG_POLARITY_CTRL00, 1050 (pclk_pol << 5) | 1051 (hsync_pol << 1) | 1052 vsync_pol); 1053 1054 if (ret) 1055 return ret; 1056 } 1057 1058 /* 1059 * powerdown MIPI TX/RX PHY & disable MIPI 1060 * 1061 * MIPI CONTROL 00 1062 * 4: PWDN PHY TX 1063 * 3: PWDN PHY RX 1064 * 2: MIPI enable 1065 */ 1066 ret = ov5640_write_reg(sensor, 1067 OV5640_REG_IO_MIPI_CTRL00, on ? 0x18 : 0); 1068 if (ret) 1069 return ret; 1070 1071 /* 1072 * enable VSYNC/HREF/PCLK DVP control lines 1073 * & D[9:6] DVP data lines 1074 * 1075 * PAD OUTPUT ENABLE 01 1076 * - 6: VSYNC output enable 1077 * - 5: HREF output enable 1078 * - 4: PCLK output enable 1079 * - [3:0]: D[9:6] output enable 1080 */ 1081 ret = ov5640_write_reg(sensor, 1082 OV5640_REG_PAD_OUTPUT_ENABLE01, 1083 on ? 0x7f : 0); 1084 if (ret) 1085 return ret; 1086 1087 /* 1088 * enable D[5:0] DVP data lines 1089 * 1090 * PAD OUTPUT ENABLE 02 1091 * - [7:2]: D[5:0] output enable 1092 */ 1093 return ov5640_write_reg(sensor, 1094 OV5640_REG_PAD_OUTPUT_ENABLE02, 1095 on ? 0xfc : 0); 1096 } 1097 1098 static int ov5640_set_stream_mipi(struct ov5640_dev *sensor, bool on) 1099 { 1100 int ret; 1101 1102 ret = ov5640_mod_reg(sensor, OV5640_REG_MIPI_CTRL00, BIT(5), 1103 on ? 0 : BIT(5)); 1104 if (ret) 1105 return ret; 1106 ret = ov5640_write_reg(sensor, OV5640_REG_PAD_OUTPUT00, 1107 on ? 0x00 : 0x70); 1108 if (ret) 1109 return ret; 1110 1111 return ov5640_write_reg(sensor, OV5640_REG_FRAME_CTRL01, 1112 on ? 0x00 : 0x0f); 1113 } 1114 1115 static int ov5640_get_sysclk(struct ov5640_dev *sensor) 1116 { 1117 /* calculate sysclk */ 1118 u32 xvclk = sensor->xclk_freq / 10000; 1119 u32 multiplier, prediv, VCO, sysdiv, pll_rdiv; 1120 u32 sclk_rdiv_map[] = {1, 2, 4, 8}; 1121 u32 bit_div2x = 1, sclk_rdiv, sysclk; 1122 u8 temp1, temp2; 1123 int ret; 1124 1125 ret = ov5640_read_reg(sensor, OV5640_REG_SC_PLL_CTRL0, &temp1); 1126 if (ret) 1127 return ret; 1128 temp2 = temp1 & 0x0f; 1129 if (temp2 == 8 || temp2 == 10) 1130 bit_div2x = temp2 / 2; 1131 1132 ret = ov5640_read_reg(sensor, OV5640_REG_SC_PLL_CTRL1, &temp1); 1133 if (ret) 1134 return ret; 1135 sysdiv = temp1 >> 4; 1136 if (sysdiv == 0) 1137 sysdiv = 16; 1138 1139 ret = ov5640_read_reg(sensor, OV5640_REG_SC_PLL_CTRL2, &temp1); 1140 if (ret) 1141 return ret; 1142 multiplier = temp1; 1143 1144 ret = ov5640_read_reg(sensor, OV5640_REG_SC_PLL_CTRL3, &temp1); 1145 if (ret) 1146 return ret; 1147 prediv = temp1 & 0x0f; 1148 pll_rdiv = ((temp1 >> 4) & 0x01) + 1; 1149 1150 ret = ov5640_read_reg(sensor, OV5640_REG_SYS_ROOT_DIVIDER, &temp1); 1151 if (ret) 1152 return ret; 1153 temp2 = temp1 & 0x03; 1154 sclk_rdiv = sclk_rdiv_map[temp2]; 1155 1156 if (!prediv || !sysdiv || !pll_rdiv || !bit_div2x) 1157 return -EINVAL; 1158 1159 VCO = xvclk * multiplier / prediv; 1160 1161 sysclk = VCO / sysdiv / pll_rdiv * 2 / bit_div2x / sclk_rdiv; 1162 1163 return sysclk; 1164 } 1165 1166 static int ov5640_set_night_mode(struct ov5640_dev *sensor) 1167 { 1168 /* read HTS from register settings */ 1169 u8 mode; 1170 int ret; 1171 1172 ret = ov5640_read_reg(sensor, OV5640_REG_AEC_CTRL00, &mode); 1173 if (ret) 1174 return ret; 1175 mode &= 0xfb; 1176 return ov5640_write_reg(sensor, OV5640_REG_AEC_CTRL00, mode); 1177 } 1178 1179 static int ov5640_get_hts(struct ov5640_dev *sensor) 1180 { 1181 /* read HTS from register settings */ 1182 u16 hts; 1183 int ret; 1184 1185 ret = ov5640_read_reg16(sensor, OV5640_REG_TIMING_HTS, &hts); 1186 if (ret) 1187 return ret; 1188 return hts; 1189 } 1190 1191 static int ov5640_get_vts(struct ov5640_dev *sensor) 1192 { 1193 u16 vts; 1194 int ret; 1195 1196 ret = ov5640_read_reg16(sensor, OV5640_REG_TIMING_VTS, &vts); 1197 if (ret) 1198 return ret; 1199 return vts; 1200 } 1201 1202 static int ov5640_set_vts(struct ov5640_dev *sensor, int vts) 1203 { 1204 return ov5640_write_reg16(sensor, OV5640_REG_TIMING_VTS, vts); 1205 } 1206 1207 static int ov5640_get_light_freq(struct ov5640_dev *sensor) 1208 { 1209 /* get banding filter value */ 1210 int ret, light_freq = 0; 1211 u8 temp, temp1; 1212 1213 ret = ov5640_read_reg(sensor, OV5640_REG_HZ5060_CTRL01, &temp); 1214 if (ret) 1215 return ret; 1216 1217 if (temp & 0x80) { 1218 /* manual */ 1219 ret = ov5640_read_reg(sensor, OV5640_REG_HZ5060_CTRL00, 1220 &temp1); 1221 if (ret) 1222 return ret; 1223 if (temp1 & 0x04) { 1224 /* 50Hz */ 1225 light_freq = 50; 1226 } else { 1227 /* 60Hz */ 1228 light_freq = 60; 1229 } 1230 } else { 1231 /* auto */ 1232 ret = ov5640_read_reg(sensor, OV5640_REG_SIGMADELTA_CTRL0C, 1233 &temp1); 1234 if (ret) 1235 return ret; 1236 1237 if (temp1 & 0x01) { 1238 /* 50Hz */ 1239 light_freq = 50; 1240 } else { 1241 /* 60Hz */ 1242 } 1243 } 1244 1245 return light_freq; 1246 } 1247 1248 static int ov5640_set_bandingfilter(struct ov5640_dev *sensor) 1249 { 1250 u32 band_step60, max_band60, band_step50, max_band50, prev_vts; 1251 int ret; 1252 1253 /* read preview PCLK */ 1254 ret = ov5640_get_sysclk(sensor); 1255 if (ret < 0) 1256 return ret; 1257 if (ret == 0) 1258 return -EINVAL; 1259 sensor->prev_sysclk = ret; 1260 /* read preview HTS */ 1261 ret = ov5640_get_hts(sensor); 1262 if (ret < 0) 1263 return ret; 1264 if (ret == 0) 1265 return -EINVAL; 1266 sensor->prev_hts = ret; 1267 1268 /* read preview VTS */ 1269 ret = ov5640_get_vts(sensor); 1270 if (ret < 0) 1271 return ret; 1272 prev_vts = ret; 1273 1274 /* calculate banding filter */ 1275 /* 60Hz */ 1276 band_step60 = sensor->prev_sysclk * 100 / sensor->prev_hts * 100 / 120; 1277 ret = ov5640_write_reg16(sensor, OV5640_REG_AEC_B60_STEP, band_step60); 1278 if (ret) 1279 return ret; 1280 if (!band_step60) 1281 return -EINVAL; 1282 max_band60 = (int)((prev_vts - 4) / band_step60); 1283 ret = ov5640_write_reg(sensor, OV5640_REG_AEC_CTRL0D, max_band60); 1284 if (ret) 1285 return ret; 1286 1287 /* 50Hz */ 1288 band_step50 = sensor->prev_sysclk * 100 / sensor->prev_hts; 1289 ret = ov5640_write_reg16(sensor, OV5640_REG_AEC_B50_STEP, band_step50); 1290 if (ret) 1291 return ret; 1292 if (!band_step50) 1293 return -EINVAL; 1294 max_band50 = (int)((prev_vts - 4) / band_step50); 1295 return ov5640_write_reg(sensor, OV5640_REG_AEC_CTRL0E, max_band50); 1296 } 1297 1298 static int ov5640_set_ae_target(struct ov5640_dev *sensor, int target) 1299 { 1300 /* stable in high */ 1301 u32 fast_high, fast_low; 1302 int ret; 1303 1304 sensor->ae_low = target * 23 / 25; /* 0.92 */ 1305 sensor->ae_high = target * 27 / 25; /* 1.08 */ 1306 1307 fast_high = sensor->ae_high << 1; 1308 if (fast_high > 255) 1309 fast_high = 255; 1310 1311 fast_low = sensor->ae_low >> 1; 1312 1313 ret = ov5640_write_reg(sensor, OV5640_REG_AEC_CTRL0F, sensor->ae_high); 1314 if (ret) 1315 return ret; 1316 ret = ov5640_write_reg(sensor, OV5640_REG_AEC_CTRL10, sensor->ae_low); 1317 if (ret) 1318 return ret; 1319 ret = ov5640_write_reg(sensor, OV5640_REG_AEC_CTRL1B, sensor->ae_high); 1320 if (ret) 1321 return ret; 1322 ret = ov5640_write_reg(sensor, OV5640_REG_AEC_CTRL1E, sensor->ae_low); 1323 if (ret) 1324 return ret; 1325 ret = ov5640_write_reg(sensor, OV5640_REG_AEC_CTRL11, fast_high); 1326 if (ret) 1327 return ret; 1328 return ov5640_write_reg(sensor, OV5640_REG_AEC_CTRL1F, fast_low); 1329 } 1330 1331 static int ov5640_binning_on(struct ov5640_dev *sensor) 1332 { 1333 u8 temp; 1334 int ret; 1335 1336 ret = ov5640_read_reg(sensor, OV5640_REG_TIMING_TC_REG21, &temp); 1337 if (ret) 1338 return ret; 1339 temp &= 0xfe; 1340 return temp ? 1 : 0; 1341 } 1342 1343 static int ov5640_set_virtual_channel(struct ov5640_dev *sensor) 1344 { 1345 struct i2c_client *client = sensor->i2c_client; 1346 u8 temp, channel = virtual_channel; 1347 int ret; 1348 1349 if (channel > 3) { 1350 dev_err(&client->dev, 1351 "%s: wrong virtual_channel parameter, expected (0..3), got %d\n", 1352 __func__, channel); 1353 return -EINVAL; 1354 } 1355 1356 ret = ov5640_read_reg(sensor, OV5640_REG_DEBUG_MODE, &temp); 1357 if (ret) 1358 return ret; 1359 temp &= ~(3 << 6); 1360 temp |= (channel << 6); 1361 return ov5640_write_reg(sensor, OV5640_REG_DEBUG_MODE, temp); 1362 } 1363 1364 static int ov5640_set_timings(struct ov5640_dev *sensor, 1365 const struct ov5640_mode_info *mode) 1366 { 1367 int ret; 1368 1369 ret = ov5640_write_reg16(sensor, OV5640_REG_TIMING_DVPHO, mode->hact); 1370 if (ret < 0) 1371 return ret; 1372 1373 ret = ov5640_write_reg16(sensor, OV5640_REG_TIMING_DVPVO, mode->vact); 1374 if (ret < 0) 1375 return ret; 1376 1377 ret = ov5640_write_reg16(sensor, OV5640_REG_TIMING_HTS, mode->htot); 1378 if (ret < 0) 1379 return ret; 1380 1381 ret = ov5640_write_reg16(sensor, OV5640_REG_TIMING_VTS, mode->vtot); 1382 if (ret < 0) 1383 return ret; 1384 1385 return 0; 1386 } 1387 1388 static const struct ov5640_mode_info * 1389 ov5640_find_mode(struct ov5640_dev *sensor, enum ov5640_frame_rate fr, 1390 int width, int height, bool nearest) 1391 { 1392 const struct ov5640_mode_info *mode = NULL; 1393 int i; 1394 1395 for (i = OV5640_NUM_MODES - 1; i >= 0; i--) { 1396 mode = &ov5640_mode_data[fr][i]; 1397 1398 if (!mode->reg_data) 1399 continue; 1400 1401 if ((nearest && mode->hact <= width && 1402 mode->vact <= height) || 1403 (!nearest && mode->hact == width && 1404 mode->vact == height)) 1405 break; 1406 } 1407 1408 if (nearest && i < 0) 1409 mode = &ov5640_mode_data[fr][0]; 1410 1411 return mode; 1412 } 1413 1414 /* 1415 * sensor changes between scaling and subsampling, go through 1416 * exposure calculation 1417 */ 1418 static int ov5640_set_mode_exposure_calc(struct ov5640_dev *sensor, 1419 const struct ov5640_mode_info *mode) 1420 { 1421 u32 prev_shutter, prev_gain16; 1422 u32 cap_shutter, cap_gain16; 1423 u32 cap_sysclk, cap_hts, cap_vts; 1424 u32 light_freq, cap_bandfilt, cap_maxband; 1425 u32 cap_gain16_shutter; 1426 u8 average; 1427 int ret; 1428 1429 if (!mode->reg_data) 1430 return -EINVAL; 1431 1432 /* read preview shutter */ 1433 ret = ov5640_get_exposure(sensor); 1434 if (ret < 0) 1435 return ret; 1436 prev_shutter = ret; 1437 ret = ov5640_binning_on(sensor); 1438 if (ret < 0) 1439 return ret; 1440 if (ret && mode->id != OV5640_MODE_720P_1280_720 && 1441 mode->id != OV5640_MODE_1080P_1920_1080) 1442 prev_shutter *= 2; 1443 1444 /* read preview gain */ 1445 ret = ov5640_get_gain(sensor); 1446 if (ret < 0) 1447 return ret; 1448 prev_gain16 = ret; 1449 1450 /* get average */ 1451 ret = ov5640_read_reg(sensor, OV5640_REG_AVG_READOUT, &average); 1452 if (ret) 1453 return ret; 1454 1455 /* turn off night mode for capture */ 1456 ret = ov5640_set_night_mode(sensor); 1457 if (ret < 0) 1458 return ret; 1459 1460 /* Write capture setting */ 1461 ret = ov5640_load_regs(sensor, mode); 1462 if (ret < 0) 1463 return ret; 1464 1465 /* read capture VTS */ 1466 ret = ov5640_get_vts(sensor); 1467 if (ret < 0) 1468 return ret; 1469 cap_vts = ret; 1470 ret = ov5640_get_hts(sensor); 1471 if (ret < 0) 1472 return ret; 1473 if (ret == 0) 1474 return -EINVAL; 1475 cap_hts = ret; 1476 1477 ret = ov5640_get_sysclk(sensor); 1478 if (ret < 0) 1479 return ret; 1480 if (ret == 0) 1481 return -EINVAL; 1482 cap_sysclk = ret; 1483 1484 /* calculate capture banding filter */ 1485 ret = ov5640_get_light_freq(sensor); 1486 if (ret < 0) 1487 return ret; 1488 light_freq = ret; 1489 1490 if (light_freq == 60) { 1491 /* 60Hz */ 1492 cap_bandfilt = cap_sysclk * 100 / cap_hts * 100 / 120; 1493 } else { 1494 /* 50Hz */ 1495 cap_bandfilt = cap_sysclk * 100 / cap_hts; 1496 } 1497 1498 if (!sensor->prev_sysclk) { 1499 ret = ov5640_get_sysclk(sensor); 1500 if (ret < 0) 1501 return ret; 1502 if (ret == 0) 1503 return -EINVAL; 1504 sensor->prev_sysclk = ret; 1505 } 1506 1507 if (!cap_bandfilt) 1508 return -EINVAL; 1509 1510 cap_maxband = (int)((cap_vts - 4) / cap_bandfilt); 1511 1512 /* calculate capture shutter/gain16 */ 1513 if (average > sensor->ae_low && average < sensor->ae_high) { 1514 /* in stable range */ 1515 cap_gain16_shutter = 1516 prev_gain16 * prev_shutter * 1517 cap_sysclk / sensor->prev_sysclk * 1518 sensor->prev_hts / cap_hts * 1519 sensor->ae_target / average; 1520 } else { 1521 cap_gain16_shutter = 1522 prev_gain16 * prev_shutter * 1523 cap_sysclk / sensor->prev_sysclk * 1524 sensor->prev_hts / cap_hts; 1525 } 1526 1527 /* gain to shutter */ 1528 if (cap_gain16_shutter < (cap_bandfilt * 16)) { 1529 /* shutter < 1/100 */ 1530 cap_shutter = cap_gain16_shutter / 16; 1531 if (cap_shutter < 1) 1532 cap_shutter = 1; 1533 1534 cap_gain16 = cap_gain16_shutter / cap_shutter; 1535 if (cap_gain16 < 16) 1536 cap_gain16 = 16; 1537 } else { 1538 if (cap_gain16_shutter > (cap_bandfilt * cap_maxband * 16)) { 1539 /* exposure reach max */ 1540 cap_shutter = cap_bandfilt * cap_maxband; 1541 if (!cap_shutter) 1542 return -EINVAL; 1543 1544 cap_gain16 = cap_gain16_shutter / cap_shutter; 1545 } else { 1546 /* 1/100 < (cap_shutter = n/100) =< max */ 1547 cap_shutter = 1548 ((int)(cap_gain16_shutter / 16 / cap_bandfilt)) 1549 * cap_bandfilt; 1550 if (!cap_shutter) 1551 return -EINVAL; 1552 1553 cap_gain16 = cap_gain16_shutter / cap_shutter; 1554 } 1555 } 1556 1557 /* set capture gain */ 1558 ret = __v4l2_ctrl_s_ctrl(sensor->ctrls.gain, cap_gain16); 1559 if (ret) 1560 return ret; 1561 1562 /* write capture shutter */ 1563 if (cap_shutter > (cap_vts - 4)) { 1564 cap_vts = cap_shutter + 4; 1565 ret = ov5640_set_vts(sensor, cap_vts); 1566 if (ret < 0) 1567 return ret; 1568 } 1569 1570 /* set exposure */ 1571 return __v4l2_ctrl_s_ctrl(sensor->ctrls.exposure, cap_shutter); 1572 } 1573 1574 /* 1575 * if sensor changes inside scaling or subsampling 1576 * change mode directly 1577 */ 1578 static int ov5640_set_mode_direct(struct ov5640_dev *sensor, 1579 const struct ov5640_mode_info *mode, 1580 s32 exposure) 1581 { 1582 int ret; 1583 1584 if (!mode->reg_data) 1585 return -EINVAL; 1586 1587 /* Write capture setting */ 1588 ret = ov5640_load_regs(sensor, mode); 1589 if (ret < 0) 1590 return ret; 1591 1592 /* turn auto gain/exposure back on for direct mode */ 1593 ret = __v4l2_ctrl_s_ctrl(sensor->ctrls.auto_gain, 1); 1594 if (ret) 1595 return ret; 1596 1597 return __v4l2_ctrl_s_ctrl(sensor->ctrls.auto_exp, exposure); 1598 } 1599 1600 static int ov5640_set_mode(struct ov5640_dev *sensor, 1601 const struct ov5640_mode_info *orig_mode) 1602 { 1603 const struct ov5640_mode_info *mode = sensor->current_mode; 1604 enum ov5640_downsize_mode dn_mode, orig_dn_mode; 1605 s32 exposure; 1606 int ret; 1607 1608 dn_mode = mode->dn_mode; 1609 orig_dn_mode = orig_mode->dn_mode; 1610 1611 /* auto gain and exposure must be turned off when changing modes */ 1612 ret = __v4l2_ctrl_s_ctrl(sensor->ctrls.auto_gain, 0); 1613 if (ret) 1614 return ret; 1615 1616 exposure = sensor->ctrls.auto_exp->val; 1617 ret = ov5640_set_exposure(sensor, V4L2_EXPOSURE_MANUAL); 1618 if (ret) 1619 return ret; 1620 1621 if ((dn_mode == SUBSAMPLING && orig_dn_mode == SCALING) || 1622 (dn_mode == SCALING && orig_dn_mode == SUBSAMPLING)) { 1623 /* 1624 * change between subsampling and scaling 1625 * go through exposure calucation 1626 */ 1627 ret = ov5640_set_mode_exposure_calc(sensor, mode); 1628 } else { 1629 /* 1630 * change inside subsampling or scaling 1631 * download firmware directly 1632 */ 1633 ret = ov5640_set_mode_direct(sensor, mode, exposure); 1634 } 1635 1636 if (ret < 0) 1637 return ret; 1638 1639 ret = ov5640_set_timings(sensor, mode); 1640 if (ret < 0) 1641 return ret; 1642 1643 ret = ov5640_set_ae_target(sensor, sensor->ae_target); 1644 if (ret < 0) 1645 return ret; 1646 ret = ov5640_get_light_freq(sensor); 1647 if (ret < 0) 1648 return ret; 1649 ret = ov5640_set_bandingfilter(sensor); 1650 if (ret < 0) 1651 return ret; 1652 ret = ov5640_set_virtual_channel(sensor); 1653 if (ret < 0) 1654 return ret; 1655 1656 sensor->pending_mode_change = false; 1657 1658 return 0; 1659 } 1660 1661 static int ov5640_set_framefmt(struct ov5640_dev *sensor, 1662 struct v4l2_mbus_framefmt *format); 1663 1664 /* restore the last set video mode after chip power-on */ 1665 static int ov5640_restore_mode(struct ov5640_dev *sensor) 1666 { 1667 int ret; 1668 1669 /* first load the initial register values */ 1670 ret = ov5640_load_regs(sensor, &ov5640_mode_init_data); 1671 if (ret < 0) 1672 return ret; 1673 1674 ret = ov5640_mod_reg(sensor, OV5640_REG_SYS_ROOT_DIVIDER, 0x3f, 1675 (ilog2(OV5640_SCLK2X_ROOT_DIVIDER_DEFAULT) << 2) | 1676 ilog2(OV5640_SCLK_ROOT_DIVIDER_DEFAULT)); 1677 if (ret) 1678 return ret; 1679 1680 /* now restore the last capture mode */ 1681 ret = ov5640_set_mode(sensor, &ov5640_mode_init_data); 1682 if (ret < 0) 1683 return ret; 1684 1685 return ov5640_set_framefmt(sensor, &sensor->fmt); 1686 } 1687 1688 static void ov5640_power(struct ov5640_dev *sensor, bool enable) 1689 { 1690 gpiod_set_value_cansleep(sensor->pwdn_gpio, enable ? 0 : 1); 1691 } 1692 1693 static void ov5640_reset(struct ov5640_dev *sensor) 1694 { 1695 if (!sensor->reset_gpio) 1696 return; 1697 1698 gpiod_set_value_cansleep(sensor->reset_gpio, 0); 1699 1700 /* camera power cycle */ 1701 ov5640_power(sensor, false); 1702 usleep_range(5000, 10000); 1703 ov5640_power(sensor, true); 1704 usleep_range(5000, 10000); 1705 1706 gpiod_set_value_cansleep(sensor->reset_gpio, 1); 1707 usleep_range(1000, 2000); 1708 1709 gpiod_set_value_cansleep(sensor->reset_gpio, 0); 1710 usleep_range(5000, 10000); 1711 } 1712 1713 static int ov5640_set_power_on(struct ov5640_dev *sensor) 1714 { 1715 struct i2c_client *client = sensor->i2c_client; 1716 int ret; 1717 1718 ret = clk_prepare_enable(sensor->xclk); 1719 if (ret) { 1720 dev_err(&client->dev, "%s: failed to enable clock\n", 1721 __func__); 1722 return ret; 1723 } 1724 1725 ret = regulator_bulk_enable(OV5640_NUM_SUPPLIES, 1726 sensor->supplies); 1727 if (ret) { 1728 dev_err(&client->dev, "%s: failed to enable regulators\n", 1729 __func__); 1730 goto xclk_off; 1731 } 1732 1733 ov5640_reset(sensor); 1734 ov5640_power(sensor, true); 1735 1736 ret = ov5640_init_slave_id(sensor); 1737 if (ret) 1738 goto power_off; 1739 1740 return 0; 1741 1742 power_off: 1743 ov5640_power(sensor, false); 1744 regulator_bulk_disable(OV5640_NUM_SUPPLIES, sensor->supplies); 1745 xclk_off: 1746 clk_disable_unprepare(sensor->xclk); 1747 return ret; 1748 } 1749 1750 static void ov5640_set_power_off(struct ov5640_dev *sensor) 1751 { 1752 ov5640_power(sensor, false); 1753 regulator_bulk_disable(OV5640_NUM_SUPPLIES, sensor->supplies); 1754 clk_disable_unprepare(sensor->xclk); 1755 } 1756 1757 static int ov5640_set_power(struct ov5640_dev *sensor, bool on) 1758 { 1759 int ret = 0; 1760 1761 if (on) { 1762 ret = ov5640_set_power_on(sensor); 1763 if (ret) 1764 return ret; 1765 1766 ret = ov5640_restore_mode(sensor); 1767 if (ret) 1768 goto power_off; 1769 1770 if (sensor->ep.bus_type == V4L2_MBUS_CSI2) { 1771 /* 1772 * start streaming briefly followed by stream off in 1773 * order to coax the clock lane into LP-11 state. 1774 */ 1775 ret = ov5640_set_stream_mipi(sensor, true); 1776 if (ret) 1777 goto power_off; 1778 usleep_range(1000, 2000); 1779 ret = ov5640_set_stream_mipi(sensor, false); 1780 if (ret) 1781 goto power_off; 1782 } 1783 1784 return 0; 1785 } 1786 1787 power_off: 1788 ov5640_set_power_off(sensor); 1789 return ret; 1790 } 1791 1792 /* --------------- Subdev Operations --------------- */ 1793 1794 static int ov5640_s_power(struct v4l2_subdev *sd, int on) 1795 { 1796 struct ov5640_dev *sensor = to_ov5640_dev(sd); 1797 int ret = 0; 1798 1799 mutex_lock(&sensor->lock); 1800 1801 /* 1802 * If the power count is modified from 0 to != 0 or from != 0 to 0, 1803 * update the power state. 1804 */ 1805 if (sensor->power_count == !on) { 1806 ret = ov5640_set_power(sensor, !!on); 1807 if (ret) 1808 goto out; 1809 } 1810 1811 /* Update the power count. */ 1812 sensor->power_count += on ? 1 : -1; 1813 WARN_ON(sensor->power_count < 0); 1814 out: 1815 mutex_unlock(&sensor->lock); 1816 1817 if (on && !ret && sensor->power_count == 1) { 1818 /* restore controls */ 1819 ret = v4l2_ctrl_handler_setup(&sensor->ctrls.handler); 1820 } 1821 1822 return ret; 1823 } 1824 1825 static int ov5640_try_frame_interval(struct ov5640_dev *sensor, 1826 struct v4l2_fract *fi, 1827 u32 width, u32 height) 1828 { 1829 const struct ov5640_mode_info *mode; 1830 u32 minfps, maxfps, fps; 1831 int ret; 1832 1833 minfps = ov5640_framerates[OV5640_15_FPS]; 1834 maxfps = ov5640_framerates[OV5640_30_FPS]; 1835 1836 if (fi->numerator == 0) { 1837 fi->denominator = maxfps; 1838 fi->numerator = 1; 1839 return OV5640_30_FPS; 1840 } 1841 1842 fps = DIV_ROUND_CLOSEST(fi->denominator, fi->numerator); 1843 1844 fi->numerator = 1; 1845 if (fps > maxfps) 1846 fi->denominator = maxfps; 1847 else if (fps < minfps) 1848 fi->denominator = minfps; 1849 else if (2 * fps >= 2 * minfps + (maxfps - minfps)) 1850 fi->denominator = maxfps; 1851 else 1852 fi->denominator = minfps; 1853 1854 ret = (fi->denominator == minfps) ? OV5640_15_FPS : OV5640_30_FPS; 1855 1856 mode = ov5640_find_mode(sensor, ret, width, height, false); 1857 return mode ? ret : -EINVAL; 1858 } 1859 1860 static int ov5640_get_fmt(struct v4l2_subdev *sd, 1861 struct v4l2_subdev_pad_config *cfg, 1862 struct v4l2_subdev_format *format) 1863 { 1864 struct ov5640_dev *sensor = to_ov5640_dev(sd); 1865 struct v4l2_mbus_framefmt *fmt; 1866 1867 if (format->pad != 0) 1868 return -EINVAL; 1869 1870 mutex_lock(&sensor->lock); 1871 1872 if (format->which == V4L2_SUBDEV_FORMAT_TRY) 1873 fmt = v4l2_subdev_get_try_format(&sensor->sd, cfg, 1874 format->pad); 1875 else 1876 fmt = &sensor->fmt; 1877 1878 format->format = *fmt; 1879 1880 mutex_unlock(&sensor->lock); 1881 1882 return 0; 1883 } 1884 1885 static int ov5640_try_fmt_internal(struct v4l2_subdev *sd, 1886 struct v4l2_mbus_framefmt *fmt, 1887 enum ov5640_frame_rate fr, 1888 const struct ov5640_mode_info **new_mode) 1889 { 1890 struct ov5640_dev *sensor = to_ov5640_dev(sd); 1891 const struct ov5640_mode_info *mode; 1892 int i; 1893 1894 mode = ov5640_find_mode(sensor, fr, fmt->width, fmt->height, true); 1895 if (!mode) 1896 return -EINVAL; 1897 fmt->width = mode->hact; 1898 fmt->height = mode->vact; 1899 1900 if (new_mode) 1901 *new_mode = mode; 1902 1903 for (i = 0; i < ARRAY_SIZE(ov5640_formats); i++) 1904 if (ov5640_formats[i].code == fmt->code) 1905 break; 1906 if (i >= ARRAY_SIZE(ov5640_formats)) 1907 i = 0; 1908 1909 fmt->code = ov5640_formats[i].code; 1910 fmt->colorspace = ov5640_formats[i].colorspace; 1911 fmt->ycbcr_enc = V4L2_MAP_YCBCR_ENC_DEFAULT(fmt->colorspace); 1912 fmt->quantization = V4L2_QUANTIZATION_FULL_RANGE; 1913 fmt->xfer_func = V4L2_MAP_XFER_FUNC_DEFAULT(fmt->colorspace); 1914 1915 return 0; 1916 } 1917 1918 static int ov5640_set_fmt(struct v4l2_subdev *sd, 1919 struct v4l2_subdev_pad_config *cfg, 1920 struct v4l2_subdev_format *format) 1921 { 1922 struct ov5640_dev *sensor = to_ov5640_dev(sd); 1923 const struct ov5640_mode_info *new_mode; 1924 struct v4l2_mbus_framefmt *mbus_fmt = &format->format; 1925 int ret; 1926 1927 if (format->pad != 0) 1928 return -EINVAL; 1929 1930 mutex_lock(&sensor->lock); 1931 1932 if (sensor->streaming) { 1933 ret = -EBUSY; 1934 goto out; 1935 } 1936 1937 ret = ov5640_try_fmt_internal(sd, mbus_fmt, 1938 sensor->current_fr, &new_mode); 1939 if (ret) 1940 goto out; 1941 1942 if (format->which == V4L2_SUBDEV_FORMAT_TRY) { 1943 struct v4l2_mbus_framefmt *fmt = 1944 v4l2_subdev_get_try_format(sd, cfg, 0); 1945 1946 *fmt = *mbus_fmt; 1947 goto out; 1948 } 1949 1950 sensor->current_mode = new_mode; 1951 sensor->fmt = *mbus_fmt; 1952 sensor->pending_mode_change = true; 1953 out: 1954 mutex_unlock(&sensor->lock); 1955 return ret; 1956 } 1957 1958 static int ov5640_set_framefmt(struct ov5640_dev *sensor, 1959 struct v4l2_mbus_framefmt *format) 1960 { 1961 int ret = 0; 1962 bool is_rgb = false; 1963 bool is_jpeg = false; 1964 u8 val; 1965 1966 switch (format->code) { 1967 case MEDIA_BUS_FMT_UYVY8_2X8: 1968 /* YUV422, UYVY */ 1969 val = 0x3f; 1970 break; 1971 case MEDIA_BUS_FMT_YUYV8_2X8: 1972 /* YUV422, YUYV */ 1973 val = 0x30; 1974 break; 1975 case MEDIA_BUS_FMT_RGB565_2X8_LE: 1976 /* RGB565 {g[2:0],b[4:0]},{r[4:0],g[5:3]} */ 1977 val = 0x6F; 1978 is_rgb = true; 1979 break; 1980 case MEDIA_BUS_FMT_RGB565_2X8_BE: 1981 /* RGB565 {r[4:0],g[5:3]},{g[2:0],b[4:0]} */ 1982 val = 0x61; 1983 is_rgb = true; 1984 break; 1985 case MEDIA_BUS_FMT_JPEG_1X8: 1986 /* YUV422, YUYV */ 1987 val = 0x30; 1988 is_jpeg = true; 1989 break; 1990 default: 1991 return -EINVAL; 1992 } 1993 1994 /* FORMAT CONTROL00: YUV and RGB formatting */ 1995 ret = ov5640_write_reg(sensor, OV5640_REG_FORMAT_CONTROL00, val); 1996 if (ret) 1997 return ret; 1998 1999 /* FORMAT MUX CONTROL: ISP YUV or RGB */ 2000 ret = ov5640_write_reg(sensor, OV5640_REG_ISP_FORMAT_MUX_CTRL, 2001 is_rgb ? 0x01 : 0x00); 2002 if (ret) 2003 return ret; 2004 2005 /* 2006 * TIMING TC REG21: 2007 * - [5]: JPEG enable 2008 */ 2009 ret = ov5640_mod_reg(sensor, OV5640_REG_TIMING_TC_REG21, 2010 BIT(5), is_jpeg ? BIT(5) : 0); 2011 if (ret) 2012 return ret; 2013 2014 /* 2015 * SYSTEM RESET02: 2016 * - [4]: Reset JFIFO 2017 * - [3]: Reset SFIFO 2018 * - [2]: Reset JPEG 2019 */ 2020 ret = ov5640_mod_reg(sensor, OV5640_REG_SYS_RESET02, 2021 BIT(4) | BIT(3) | BIT(2), 2022 is_jpeg ? 0 : (BIT(4) | BIT(3) | BIT(2))); 2023 if (ret) 2024 return ret; 2025 2026 /* 2027 * CLOCK ENABLE02: 2028 * - [5]: Enable JPEG 2x clock 2029 * - [3]: Enable JPEG clock 2030 */ 2031 return ov5640_mod_reg(sensor, OV5640_REG_SYS_CLOCK_ENABLE02, 2032 BIT(5) | BIT(3), 2033 is_jpeg ? (BIT(5) | BIT(3)) : 0); 2034 } 2035 2036 /* 2037 * Sensor Controls. 2038 */ 2039 2040 static int ov5640_set_ctrl_hue(struct ov5640_dev *sensor, int value) 2041 { 2042 int ret; 2043 2044 if (value) { 2045 ret = ov5640_mod_reg(sensor, OV5640_REG_SDE_CTRL0, 2046 BIT(0), BIT(0)); 2047 if (ret) 2048 return ret; 2049 ret = ov5640_write_reg16(sensor, OV5640_REG_SDE_CTRL1, value); 2050 } else { 2051 ret = ov5640_mod_reg(sensor, OV5640_REG_SDE_CTRL0, BIT(0), 0); 2052 } 2053 2054 return ret; 2055 } 2056 2057 static int ov5640_set_ctrl_contrast(struct ov5640_dev *sensor, int value) 2058 { 2059 int ret; 2060 2061 if (value) { 2062 ret = ov5640_mod_reg(sensor, OV5640_REG_SDE_CTRL0, 2063 BIT(2), BIT(2)); 2064 if (ret) 2065 return ret; 2066 ret = ov5640_write_reg(sensor, OV5640_REG_SDE_CTRL5, 2067 value & 0xff); 2068 } else { 2069 ret = ov5640_mod_reg(sensor, OV5640_REG_SDE_CTRL0, BIT(2), 0); 2070 } 2071 2072 return ret; 2073 } 2074 2075 static int ov5640_set_ctrl_saturation(struct ov5640_dev *sensor, int value) 2076 { 2077 int ret; 2078 2079 if (value) { 2080 ret = ov5640_mod_reg(sensor, OV5640_REG_SDE_CTRL0, 2081 BIT(1), BIT(1)); 2082 if (ret) 2083 return ret; 2084 ret = ov5640_write_reg(sensor, OV5640_REG_SDE_CTRL3, 2085 value & 0xff); 2086 if (ret) 2087 return ret; 2088 ret = ov5640_write_reg(sensor, OV5640_REG_SDE_CTRL4, 2089 value & 0xff); 2090 } else { 2091 ret = ov5640_mod_reg(sensor, OV5640_REG_SDE_CTRL0, BIT(1), 0); 2092 } 2093 2094 return ret; 2095 } 2096 2097 static int ov5640_set_ctrl_white_balance(struct ov5640_dev *sensor, int awb) 2098 { 2099 int ret; 2100 2101 ret = ov5640_mod_reg(sensor, OV5640_REG_AWB_MANUAL_CTRL, 2102 BIT(0), awb ? 0 : 1); 2103 if (ret) 2104 return ret; 2105 2106 if (!awb) { 2107 u16 red = (u16)sensor->ctrls.red_balance->val; 2108 u16 blue = (u16)sensor->ctrls.blue_balance->val; 2109 2110 ret = ov5640_write_reg16(sensor, OV5640_REG_AWB_R_GAIN, red); 2111 if (ret) 2112 return ret; 2113 ret = ov5640_write_reg16(sensor, OV5640_REG_AWB_B_GAIN, blue); 2114 } 2115 2116 return ret; 2117 } 2118 2119 static int ov5640_set_ctrl_exposure(struct ov5640_dev *sensor, int exp) 2120 { 2121 struct ov5640_ctrls *ctrls = &sensor->ctrls; 2122 bool auto_exposure = (exp == V4L2_EXPOSURE_AUTO); 2123 int ret = 0; 2124 2125 if (ctrls->auto_exp->is_new) { 2126 ret = ov5640_mod_reg(sensor, OV5640_REG_AEC_PK_MANUAL, 2127 BIT(0), auto_exposure ? 0 : BIT(0)); 2128 if (ret) 2129 return ret; 2130 } 2131 2132 if (!auto_exposure && ctrls->exposure->is_new) { 2133 u16 max_exp; 2134 2135 ret = ov5640_read_reg16(sensor, OV5640_REG_AEC_PK_VTS, 2136 &max_exp); 2137 if (ret) 2138 return ret; 2139 ret = ov5640_get_vts(sensor); 2140 if (ret < 0) 2141 return ret; 2142 max_exp += ret; 2143 ret = 0; 2144 2145 if (ctrls->exposure->val < max_exp) 2146 ret = ov5640_set_exposure(sensor, ctrls->exposure->val); 2147 } 2148 2149 return ret; 2150 } 2151 2152 static int ov5640_set_ctrl_gain(struct ov5640_dev *sensor, int auto_gain) 2153 { 2154 struct ov5640_ctrls *ctrls = &sensor->ctrls; 2155 int ret = 0; 2156 2157 if (ctrls->auto_gain->is_new) { 2158 ret = ov5640_mod_reg(sensor, OV5640_REG_AEC_PK_MANUAL, 2159 BIT(1), 2160 ctrls->auto_gain->val ? 0 : BIT(1)); 2161 if (ret) 2162 return ret; 2163 } 2164 2165 if (!auto_gain && ctrls->gain->is_new) { 2166 u16 gain = (u16)ctrls->gain->val; 2167 2168 ret = ov5640_write_reg16(sensor, OV5640_REG_AEC_PK_REAL_GAIN, 2169 gain & 0x3ff); 2170 } 2171 2172 return ret; 2173 } 2174 2175 static int ov5640_set_ctrl_test_pattern(struct ov5640_dev *sensor, int value) 2176 { 2177 return ov5640_mod_reg(sensor, OV5640_REG_PRE_ISP_TEST_SET1, 2178 0xa4, value ? 0xa4 : 0); 2179 } 2180 2181 static int ov5640_set_ctrl_light_freq(struct ov5640_dev *sensor, int value) 2182 { 2183 int ret; 2184 2185 ret = ov5640_mod_reg(sensor, OV5640_REG_HZ5060_CTRL01, BIT(7), 2186 (value == V4L2_CID_POWER_LINE_FREQUENCY_AUTO) ? 2187 0 : BIT(7)); 2188 if (ret) 2189 return ret; 2190 2191 return ov5640_mod_reg(sensor, OV5640_REG_HZ5060_CTRL00, BIT(2), 2192 (value == V4L2_CID_POWER_LINE_FREQUENCY_50HZ) ? 2193 BIT(2) : 0); 2194 } 2195 2196 static int ov5640_g_volatile_ctrl(struct v4l2_ctrl *ctrl) 2197 { 2198 struct v4l2_subdev *sd = ctrl_to_sd(ctrl); 2199 struct ov5640_dev *sensor = to_ov5640_dev(sd); 2200 int val; 2201 2202 /* v4l2_ctrl_lock() locks our own mutex */ 2203 2204 switch (ctrl->id) { 2205 case V4L2_CID_AUTOGAIN: 2206 if (!ctrl->val) 2207 return 0; 2208 val = ov5640_get_gain(sensor); 2209 if (val < 0) 2210 return val; 2211 sensor->ctrls.gain->val = val; 2212 break; 2213 case V4L2_CID_EXPOSURE_AUTO: 2214 if (ctrl->val == V4L2_EXPOSURE_MANUAL) 2215 return 0; 2216 val = ov5640_get_exposure(sensor); 2217 if (val < 0) 2218 return val; 2219 sensor->ctrls.exposure->val = val; 2220 break; 2221 } 2222 2223 return 0; 2224 } 2225 2226 static int ov5640_s_ctrl(struct v4l2_ctrl *ctrl) 2227 { 2228 struct v4l2_subdev *sd = ctrl_to_sd(ctrl); 2229 struct ov5640_dev *sensor = to_ov5640_dev(sd); 2230 int ret; 2231 2232 /* v4l2_ctrl_lock() locks our own mutex */ 2233 2234 /* 2235 * If the device is not powered up by the host driver do 2236 * not apply any controls to H/W at this time. Instead 2237 * the controls will be restored right after power-up. 2238 */ 2239 if (sensor->power_count == 0) 2240 return 0; 2241 2242 switch (ctrl->id) { 2243 case V4L2_CID_AUTOGAIN: 2244 ret = ov5640_set_ctrl_gain(sensor, ctrl->val); 2245 break; 2246 case V4L2_CID_EXPOSURE_AUTO: 2247 ret = ov5640_set_ctrl_exposure(sensor, ctrl->val); 2248 break; 2249 case V4L2_CID_AUTO_WHITE_BALANCE: 2250 ret = ov5640_set_ctrl_white_balance(sensor, ctrl->val); 2251 break; 2252 case V4L2_CID_HUE: 2253 ret = ov5640_set_ctrl_hue(sensor, ctrl->val); 2254 break; 2255 case V4L2_CID_CONTRAST: 2256 ret = ov5640_set_ctrl_contrast(sensor, ctrl->val); 2257 break; 2258 case V4L2_CID_SATURATION: 2259 ret = ov5640_set_ctrl_saturation(sensor, ctrl->val); 2260 break; 2261 case V4L2_CID_TEST_PATTERN: 2262 ret = ov5640_set_ctrl_test_pattern(sensor, ctrl->val); 2263 break; 2264 case V4L2_CID_POWER_LINE_FREQUENCY: 2265 ret = ov5640_set_ctrl_light_freq(sensor, ctrl->val); 2266 break; 2267 default: 2268 ret = -EINVAL; 2269 break; 2270 } 2271 2272 return ret; 2273 } 2274 2275 static const struct v4l2_ctrl_ops ov5640_ctrl_ops = { 2276 .g_volatile_ctrl = ov5640_g_volatile_ctrl, 2277 .s_ctrl = ov5640_s_ctrl, 2278 }; 2279 2280 static const char * const test_pattern_menu[] = { 2281 "Disabled", 2282 "Color bars", 2283 }; 2284 2285 static int ov5640_init_controls(struct ov5640_dev *sensor) 2286 { 2287 const struct v4l2_ctrl_ops *ops = &ov5640_ctrl_ops; 2288 struct ov5640_ctrls *ctrls = &sensor->ctrls; 2289 struct v4l2_ctrl_handler *hdl = &ctrls->handler; 2290 int ret; 2291 2292 v4l2_ctrl_handler_init(hdl, 32); 2293 2294 /* we can use our own mutex for the ctrl lock */ 2295 hdl->lock = &sensor->lock; 2296 2297 /* Auto/manual white balance */ 2298 ctrls->auto_wb = v4l2_ctrl_new_std(hdl, ops, 2299 V4L2_CID_AUTO_WHITE_BALANCE, 2300 0, 1, 1, 1); 2301 ctrls->blue_balance = v4l2_ctrl_new_std(hdl, ops, V4L2_CID_BLUE_BALANCE, 2302 0, 4095, 1, 0); 2303 ctrls->red_balance = v4l2_ctrl_new_std(hdl, ops, V4L2_CID_RED_BALANCE, 2304 0, 4095, 1, 0); 2305 /* Auto/manual exposure */ 2306 ctrls->auto_exp = v4l2_ctrl_new_std_menu(hdl, ops, 2307 V4L2_CID_EXPOSURE_AUTO, 2308 V4L2_EXPOSURE_MANUAL, 0, 2309 V4L2_EXPOSURE_AUTO); 2310 ctrls->exposure = v4l2_ctrl_new_std(hdl, ops, V4L2_CID_EXPOSURE, 2311 0, 65535, 1, 0); 2312 /* Auto/manual gain */ 2313 ctrls->auto_gain = v4l2_ctrl_new_std(hdl, ops, V4L2_CID_AUTOGAIN, 2314 0, 1, 1, 1); 2315 ctrls->gain = v4l2_ctrl_new_std(hdl, ops, V4L2_CID_GAIN, 2316 0, 1023, 1, 0); 2317 2318 ctrls->saturation = v4l2_ctrl_new_std(hdl, ops, V4L2_CID_SATURATION, 2319 0, 255, 1, 64); 2320 ctrls->hue = v4l2_ctrl_new_std(hdl, ops, V4L2_CID_HUE, 2321 0, 359, 1, 0); 2322 ctrls->contrast = v4l2_ctrl_new_std(hdl, ops, V4L2_CID_CONTRAST, 2323 0, 255, 1, 0); 2324 ctrls->test_pattern = 2325 v4l2_ctrl_new_std_menu_items(hdl, ops, V4L2_CID_TEST_PATTERN, 2326 ARRAY_SIZE(test_pattern_menu) - 1, 2327 0, 0, test_pattern_menu); 2328 2329 ctrls->light_freq = 2330 v4l2_ctrl_new_std_menu(hdl, ops, 2331 V4L2_CID_POWER_LINE_FREQUENCY, 2332 V4L2_CID_POWER_LINE_FREQUENCY_AUTO, 0, 2333 V4L2_CID_POWER_LINE_FREQUENCY_50HZ); 2334 2335 if (hdl->error) { 2336 ret = hdl->error; 2337 goto free_ctrls; 2338 } 2339 2340 ctrls->gain->flags |= V4L2_CTRL_FLAG_VOLATILE; 2341 ctrls->exposure->flags |= V4L2_CTRL_FLAG_VOLATILE; 2342 2343 v4l2_ctrl_auto_cluster(3, &ctrls->auto_wb, 0, false); 2344 v4l2_ctrl_auto_cluster(2, &ctrls->auto_gain, 0, true); 2345 v4l2_ctrl_auto_cluster(2, &ctrls->auto_exp, 1, true); 2346 2347 sensor->sd.ctrl_handler = hdl; 2348 return 0; 2349 2350 free_ctrls: 2351 v4l2_ctrl_handler_free(hdl); 2352 return ret; 2353 } 2354 2355 static int ov5640_enum_frame_size(struct v4l2_subdev *sd, 2356 struct v4l2_subdev_pad_config *cfg, 2357 struct v4l2_subdev_frame_size_enum *fse) 2358 { 2359 if (fse->pad != 0) 2360 return -EINVAL; 2361 if (fse->index >= OV5640_NUM_MODES) 2362 return -EINVAL; 2363 2364 fse->min_width = 2365 ov5640_mode_data[0][fse->index].hact; 2366 fse->max_width = fse->min_width; 2367 fse->min_height = 2368 ov5640_mode_data[0][fse->index].vact; 2369 fse->max_height = fse->min_height; 2370 2371 return 0; 2372 } 2373 2374 static int ov5640_enum_frame_interval( 2375 struct v4l2_subdev *sd, 2376 struct v4l2_subdev_pad_config *cfg, 2377 struct v4l2_subdev_frame_interval_enum *fie) 2378 { 2379 struct ov5640_dev *sensor = to_ov5640_dev(sd); 2380 struct v4l2_fract tpf; 2381 int ret; 2382 2383 if (fie->pad != 0) 2384 return -EINVAL; 2385 if (fie->index >= OV5640_NUM_FRAMERATES) 2386 return -EINVAL; 2387 2388 tpf.numerator = 1; 2389 tpf.denominator = ov5640_framerates[fie->index]; 2390 2391 ret = ov5640_try_frame_interval(sensor, &tpf, 2392 fie->width, fie->height); 2393 if (ret < 0) 2394 return -EINVAL; 2395 2396 fie->interval = tpf; 2397 return 0; 2398 } 2399 2400 static int ov5640_g_frame_interval(struct v4l2_subdev *sd, 2401 struct v4l2_subdev_frame_interval *fi) 2402 { 2403 struct ov5640_dev *sensor = to_ov5640_dev(sd); 2404 2405 mutex_lock(&sensor->lock); 2406 fi->interval = sensor->frame_interval; 2407 mutex_unlock(&sensor->lock); 2408 2409 return 0; 2410 } 2411 2412 static int ov5640_s_frame_interval(struct v4l2_subdev *sd, 2413 struct v4l2_subdev_frame_interval *fi) 2414 { 2415 struct ov5640_dev *sensor = to_ov5640_dev(sd); 2416 const struct ov5640_mode_info *mode; 2417 int frame_rate, ret = 0; 2418 2419 if (fi->pad != 0) 2420 return -EINVAL; 2421 2422 mutex_lock(&sensor->lock); 2423 2424 if (sensor->streaming) { 2425 ret = -EBUSY; 2426 goto out; 2427 } 2428 2429 mode = sensor->current_mode; 2430 2431 frame_rate = ov5640_try_frame_interval(sensor, &fi->interval, 2432 mode->hact, mode->vact); 2433 if (frame_rate < 0) 2434 frame_rate = OV5640_15_FPS; 2435 2436 sensor->current_fr = frame_rate; 2437 sensor->frame_interval = fi->interval; 2438 sensor->current_mode = ov5640_find_mode(sensor, frame_rate, mode->hact, 2439 mode->vact, true); 2440 sensor->pending_mode_change = true; 2441 out: 2442 mutex_unlock(&sensor->lock); 2443 return ret; 2444 } 2445 2446 static int ov5640_enum_mbus_code(struct v4l2_subdev *sd, 2447 struct v4l2_subdev_pad_config *cfg, 2448 struct v4l2_subdev_mbus_code_enum *code) 2449 { 2450 if (code->pad != 0) 2451 return -EINVAL; 2452 if (code->index >= ARRAY_SIZE(ov5640_formats)) 2453 return -EINVAL; 2454 2455 code->code = ov5640_formats[code->index].code; 2456 return 0; 2457 } 2458 2459 static int ov5640_s_stream(struct v4l2_subdev *sd, int enable) 2460 { 2461 struct ov5640_dev *sensor = to_ov5640_dev(sd); 2462 int ret = 0; 2463 2464 mutex_lock(&sensor->lock); 2465 2466 if (sensor->streaming == !enable) { 2467 if (enable && sensor->pending_mode_change) { 2468 ret = ov5640_set_mode(sensor, sensor->current_mode); 2469 if (ret) 2470 goto out; 2471 2472 ret = ov5640_set_framefmt(sensor, &sensor->fmt); 2473 if (ret) 2474 goto out; 2475 } 2476 2477 if (sensor->ep.bus_type == V4L2_MBUS_CSI2) 2478 ret = ov5640_set_stream_mipi(sensor, enable); 2479 else 2480 ret = ov5640_set_stream_dvp(sensor, enable); 2481 2482 if (!ret) 2483 sensor->streaming = enable; 2484 } 2485 out: 2486 mutex_unlock(&sensor->lock); 2487 return ret; 2488 } 2489 2490 static const struct v4l2_subdev_core_ops ov5640_core_ops = { 2491 .s_power = ov5640_s_power, 2492 }; 2493 2494 static const struct v4l2_subdev_video_ops ov5640_video_ops = { 2495 .g_frame_interval = ov5640_g_frame_interval, 2496 .s_frame_interval = ov5640_s_frame_interval, 2497 .s_stream = ov5640_s_stream, 2498 }; 2499 2500 static const struct v4l2_subdev_pad_ops ov5640_pad_ops = { 2501 .enum_mbus_code = ov5640_enum_mbus_code, 2502 .get_fmt = ov5640_get_fmt, 2503 .set_fmt = ov5640_set_fmt, 2504 .enum_frame_size = ov5640_enum_frame_size, 2505 .enum_frame_interval = ov5640_enum_frame_interval, 2506 }; 2507 2508 static const struct v4l2_subdev_ops ov5640_subdev_ops = { 2509 .core = &ov5640_core_ops, 2510 .video = &ov5640_video_ops, 2511 .pad = &ov5640_pad_ops, 2512 }; 2513 2514 static int ov5640_get_regulators(struct ov5640_dev *sensor) 2515 { 2516 int i; 2517 2518 for (i = 0; i < OV5640_NUM_SUPPLIES; i++) 2519 sensor->supplies[i].supply = ov5640_supply_name[i]; 2520 2521 return devm_regulator_bulk_get(&sensor->i2c_client->dev, 2522 OV5640_NUM_SUPPLIES, 2523 sensor->supplies); 2524 } 2525 2526 static int ov5640_check_chip_id(struct ov5640_dev *sensor) 2527 { 2528 struct i2c_client *client = sensor->i2c_client; 2529 int ret = 0; 2530 u16 chip_id; 2531 2532 ret = ov5640_set_power_on(sensor); 2533 if (ret) 2534 return ret; 2535 2536 ret = ov5640_read_reg16(sensor, OV5640_REG_CHIP_ID, &chip_id); 2537 if (ret) { 2538 dev_err(&client->dev, "%s: failed to read chip identifier\n", 2539 __func__); 2540 goto power_off; 2541 } 2542 2543 if (chip_id != 0x5640) { 2544 dev_err(&client->dev, "%s: wrong chip identifier, expected 0x5640, got 0x%x\n", 2545 __func__, chip_id); 2546 ret = -ENXIO; 2547 } 2548 2549 power_off: 2550 ov5640_set_power_off(sensor); 2551 return ret; 2552 } 2553 2554 static int ov5640_probe(struct i2c_client *client, 2555 const struct i2c_device_id *id) 2556 { 2557 struct device *dev = &client->dev; 2558 struct fwnode_handle *endpoint; 2559 struct ov5640_dev *sensor; 2560 struct v4l2_mbus_framefmt *fmt; 2561 int ret; 2562 2563 sensor = devm_kzalloc(dev, sizeof(*sensor), GFP_KERNEL); 2564 if (!sensor) 2565 return -ENOMEM; 2566 2567 sensor->i2c_client = client; 2568 fmt = &sensor->fmt; 2569 fmt->code = ov5640_formats[0].code; 2570 fmt->colorspace = ov5640_formats[0].colorspace; 2571 fmt->ycbcr_enc = V4L2_MAP_YCBCR_ENC_DEFAULT(fmt->colorspace); 2572 fmt->quantization = V4L2_QUANTIZATION_FULL_RANGE; 2573 fmt->xfer_func = V4L2_MAP_XFER_FUNC_DEFAULT(fmt->colorspace); 2574 fmt->width = 640; 2575 fmt->height = 480; 2576 fmt->field = V4L2_FIELD_NONE; 2577 sensor->frame_interval.numerator = 1; 2578 sensor->frame_interval.denominator = ov5640_framerates[OV5640_30_FPS]; 2579 sensor->current_fr = OV5640_30_FPS; 2580 sensor->current_mode = 2581 &ov5640_mode_data[OV5640_30_FPS][OV5640_MODE_VGA_640_480]; 2582 sensor->pending_mode_change = true; 2583 2584 sensor->ae_target = 52; 2585 2586 endpoint = fwnode_graph_get_next_endpoint(dev_fwnode(&client->dev), 2587 NULL); 2588 if (!endpoint) { 2589 dev_err(dev, "endpoint node not found\n"); 2590 return -EINVAL; 2591 } 2592 2593 ret = v4l2_fwnode_endpoint_parse(endpoint, &sensor->ep); 2594 fwnode_handle_put(endpoint); 2595 if (ret) { 2596 dev_err(dev, "Could not parse endpoint\n"); 2597 return ret; 2598 } 2599 2600 /* get system clock (xclk) */ 2601 sensor->xclk = devm_clk_get(dev, "xclk"); 2602 if (IS_ERR(sensor->xclk)) { 2603 dev_err(dev, "failed to get xclk\n"); 2604 return PTR_ERR(sensor->xclk); 2605 } 2606 2607 sensor->xclk_freq = clk_get_rate(sensor->xclk); 2608 if (sensor->xclk_freq < OV5640_XCLK_MIN || 2609 sensor->xclk_freq > OV5640_XCLK_MAX) { 2610 dev_err(dev, "xclk frequency out of range: %d Hz\n", 2611 sensor->xclk_freq); 2612 return -EINVAL; 2613 } 2614 2615 /* request optional power down pin */ 2616 sensor->pwdn_gpio = devm_gpiod_get_optional(dev, "powerdown", 2617 GPIOD_OUT_HIGH); 2618 /* request optional reset pin */ 2619 sensor->reset_gpio = devm_gpiod_get_optional(dev, "reset", 2620 GPIOD_OUT_HIGH); 2621 2622 v4l2_i2c_subdev_init(&sensor->sd, client, &ov5640_subdev_ops); 2623 2624 sensor->sd.flags |= V4L2_SUBDEV_FL_HAS_DEVNODE; 2625 sensor->pad.flags = MEDIA_PAD_FL_SOURCE; 2626 sensor->sd.entity.function = MEDIA_ENT_F_CAM_SENSOR; 2627 ret = media_entity_pads_init(&sensor->sd.entity, 1, &sensor->pad); 2628 if (ret) 2629 return ret; 2630 2631 ret = ov5640_get_regulators(sensor); 2632 if (ret) 2633 return ret; 2634 2635 mutex_init(&sensor->lock); 2636 2637 ret = ov5640_check_chip_id(sensor); 2638 if (ret) 2639 goto entity_cleanup; 2640 2641 ret = ov5640_init_controls(sensor); 2642 if (ret) 2643 goto entity_cleanup; 2644 2645 ret = v4l2_async_register_subdev(&sensor->sd); 2646 if (ret) 2647 goto free_ctrls; 2648 2649 return 0; 2650 2651 free_ctrls: 2652 v4l2_ctrl_handler_free(&sensor->ctrls.handler); 2653 entity_cleanup: 2654 mutex_destroy(&sensor->lock); 2655 media_entity_cleanup(&sensor->sd.entity); 2656 return ret; 2657 } 2658 2659 static int ov5640_remove(struct i2c_client *client) 2660 { 2661 struct v4l2_subdev *sd = i2c_get_clientdata(client); 2662 struct ov5640_dev *sensor = to_ov5640_dev(sd); 2663 2664 v4l2_async_unregister_subdev(&sensor->sd); 2665 mutex_destroy(&sensor->lock); 2666 media_entity_cleanup(&sensor->sd.entity); 2667 v4l2_ctrl_handler_free(&sensor->ctrls.handler); 2668 2669 return 0; 2670 } 2671 2672 static const struct i2c_device_id ov5640_id[] = { 2673 {"ov5640", 0}, 2674 {}, 2675 }; 2676 MODULE_DEVICE_TABLE(i2c, ov5640_id); 2677 2678 static const struct of_device_id ov5640_dt_ids[] = { 2679 { .compatible = "ovti,ov5640" }, 2680 { /* sentinel */ } 2681 }; 2682 MODULE_DEVICE_TABLE(of, ov5640_dt_ids); 2683 2684 static struct i2c_driver ov5640_i2c_driver = { 2685 .driver = { 2686 .name = "ov5640", 2687 .of_match_table = ov5640_dt_ids, 2688 }, 2689 .id_table = ov5640_id, 2690 .probe = ov5640_probe, 2691 .remove = ov5640_remove, 2692 }; 2693 2694 module_i2c_driver(ov5640_i2c_driver); 2695 2696 MODULE_DESCRIPTION("OV5640 MIPI Camera Subdev Driver"); 2697 MODULE_LICENSE("GPL"); 2698