12874c5fdSThomas Gleixner // SPDX-License-Identifier: GPL-2.0-or-later 219a81c14SSteve Longerbeam /* 319a81c14SSteve Longerbeam * Copyright (C) 2011-2013 Freescale Semiconductor, Inc. All Rights Reserved. 419a81c14SSteve Longerbeam * Copyright (C) 2014-2017 Mentor Graphics Inc. 519a81c14SSteve Longerbeam */ 619a81c14SSteve Longerbeam 719a81c14SSteve Longerbeam #include <linux/clk.h> 819a81c14SSteve Longerbeam #include <linux/clk-provider.h> 919a81c14SSteve Longerbeam #include <linux/clkdev.h> 1019a81c14SSteve Longerbeam #include <linux/ctype.h> 1119a81c14SSteve Longerbeam #include <linux/delay.h> 1219a81c14SSteve Longerbeam #include <linux/device.h> 1341d8d7f5SHugues Fruchet #include <linux/gpio/consumer.h> 1419a81c14SSteve Longerbeam #include <linux/i2c.h> 1519a81c14SSteve Longerbeam #include <linux/init.h> 1619a81c14SSteve Longerbeam #include <linux/module.h> 1719a81c14SSteve Longerbeam #include <linux/of_device.h> 1841d8d7f5SHugues Fruchet #include <linux/regulator/consumer.h> 1919a81c14SSteve Longerbeam #include <linux/slab.h> 2019a81c14SSteve Longerbeam #include <linux/types.h> 2119a81c14SSteve Longerbeam #include <media/v4l2-async.h> 2219a81c14SSteve Longerbeam #include <media/v4l2-ctrls.h> 2319a81c14SSteve Longerbeam #include <media/v4l2-device.h> 242d18fbc5SAkinobu Mita #include <media/v4l2-event.h> 2519a81c14SSteve Longerbeam #include <media/v4l2-fwnode.h> 2619a81c14SSteve Longerbeam #include <media/v4l2-subdev.h> 2719a81c14SSteve Longerbeam 2819a81c14SSteve Longerbeam /* min/typical/max system clock (xclk) frequencies */ 2919a81c14SSteve Longerbeam #define OV5640_XCLK_MIN 6000000 3041cb1c73SPhilipp Puschmann #define OV5640_XCLK_MAX 54000000 3119a81c14SSteve Longerbeam 3219a81c14SSteve Longerbeam #define OV5640_DEFAULT_SLAVE_ID 0x3c 3319a81c14SSteve Longerbeam 34d47c4126SHugues Fruchet #define OV5640_REG_SYS_RESET02 0x3002 35d47c4126SHugues Fruchet #define OV5640_REG_SYS_CLOCK_ENABLE02 0x3006 36f22996dbSHugues Fruchet #define OV5640_REG_SYS_CTRL0 0x3008 3719a81c14SSteve Longerbeam #define OV5640_REG_CHIP_ID 0x300a 38f22996dbSHugues Fruchet #define OV5640_REG_IO_MIPI_CTRL00 0x300e 39f22996dbSHugues Fruchet #define OV5640_REG_PAD_OUTPUT_ENABLE01 0x3017 40f22996dbSHugues Fruchet #define OV5640_REG_PAD_OUTPUT_ENABLE02 0x3018 4119a81c14SSteve Longerbeam #define OV5640_REG_PAD_OUTPUT00 0x3019 42f22996dbSHugues Fruchet #define OV5640_REG_SYSTEM_CONTROL1 0x302e 4319a81c14SSteve Longerbeam #define OV5640_REG_SC_PLL_CTRL0 0x3034 4419a81c14SSteve Longerbeam #define OV5640_REG_SC_PLL_CTRL1 0x3035 4519a81c14SSteve Longerbeam #define OV5640_REG_SC_PLL_CTRL2 0x3036 4619a81c14SSteve Longerbeam #define OV5640_REG_SC_PLL_CTRL3 0x3037 4719a81c14SSteve Longerbeam #define OV5640_REG_SLAVE_ID 0x3100 48f22996dbSHugues Fruchet #define OV5640_REG_SCCB_SYS_CTRL1 0x3103 4919a81c14SSteve Longerbeam #define OV5640_REG_SYS_ROOT_DIVIDER 0x3108 5019a81c14SSteve Longerbeam #define OV5640_REG_AWB_R_GAIN 0x3400 5119a81c14SSteve Longerbeam #define OV5640_REG_AWB_G_GAIN 0x3402 5219a81c14SSteve Longerbeam #define OV5640_REG_AWB_B_GAIN 0x3404 5319a81c14SSteve Longerbeam #define OV5640_REG_AWB_MANUAL_CTRL 0x3406 5419a81c14SSteve Longerbeam #define OV5640_REG_AEC_PK_EXPOSURE_HI 0x3500 5519a81c14SSteve Longerbeam #define OV5640_REG_AEC_PK_EXPOSURE_MED 0x3501 5619a81c14SSteve Longerbeam #define OV5640_REG_AEC_PK_EXPOSURE_LO 0x3502 5719a81c14SSteve Longerbeam #define OV5640_REG_AEC_PK_MANUAL 0x3503 5819a81c14SSteve Longerbeam #define OV5640_REG_AEC_PK_REAL_GAIN 0x350a 5919a81c14SSteve Longerbeam #define OV5640_REG_AEC_PK_VTS 0x350c 6086633417SMaxime Ripard #define OV5640_REG_TIMING_DVPHO 0x3808 6186633417SMaxime Ripard #define OV5640_REG_TIMING_DVPVO 0x380a 6219a81c14SSteve Longerbeam #define OV5640_REG_TIMING_HTS 0x380c 6319a81c14SSteve Longerbeam #define OV5640_REG_TIMING_VTS 0x380e 64ce85705aSHugues Fruchet #define OV5640_REG_TIMING_TC_REG20 0x3820 6519a81c14SSteve Longerbeam #define OV5640_REG_TIMING_TC_REG21 0x3821 6619a81c14SSteve Longerbeam #define OV5640_REG_AEC_CTRL00 0x3a00 6719a81c14SSteve Longerbeam #define OV5640_REG_AEC_B50_STEP 0x3a08 6819a81c14SSteve Longerbeam #define OV5640_REG_AEC_B60_STEP 0x3a0a 6919a81c14SSteve Longerbeam #define OV5640_REG_AEC_CTRL0D 0x3a0d 7019a81c14SSteve Longerbeam #define OV5640_REG_AEC_CTRL0E 0x3a0e 7119a81c14SSteve Longerbeam #define OV5640_REG_AEC_CTRL0F 0x3a0f 7219a81c14SSteve Longerbeam #define OV5640_REG_AEC_CTRL10 0x3a10 7319a81c14SSteve Longerbeam #define OV5640_REG_AEC_CTRL11 0x3a11 7419a81c14SSteve Longerbeam #define OV5640_REG_AEC_CTRL1B 0x3a1b 7519a81c14SSteve Longerbeam #define OV5640_REG_AEC_CTRL1E 0x3a1e 7619a81c14SSteve Longerbeam #define OV5640_REG_AEC_CTRL1F 0x3a1f 7719a81c14SSteve Longerbeam #define OV5640_REG_HZ5060_CTRL00 0x3c00 7819a81c14SSteve Longerbeam #define OV5640_REG_HZ5060_CTRL01 0x3c01 7919a81c14SSteve Longerbeam #define OV5640_REG_SIGMADELTA_CTRL0C 0x3c0c 8019a81c14SSteve Longerbeam #define OV5640_REG_FRAME_CTRL01 0x4202 81e3ee691dSHugues Fruchet #define OV5640_REG_FORMAT_CONTROL00 0x4300 827cb013b1SChen-Yu Tsai #define OV5640_REG_VFIFO_HSIZE 0x4602 837cb013b1SChen-Yu Tsai #define OV5640_REG_VFIFO_VSIZE 0x4604 842b5c18f9SChen-Yu Tsai #define OV5640_REG_JPG_MODE_SELECT 0x4713 85f22996dbSHugues Fruchet #define OV5640_REG_POLARITY_CTRL00 0x4740 8619a81c14SSteve Longerbeam #define OV5640_REG_MIPI_CTRL00 0x4800 8719a81c14SSteve Longerbeam #define OV5640_REG_DEBUG_MODE 0x4814 88e3ee691dSHugues Fruchet #define OV5640_REG_ISP_FORMAT_MUX_CTRL 0x501f 8919a81c14SSteve Longerbeam #define OV5640_REG_PRE_ISP_TEST_SET1 0x503d 9019a81c14SSteve Longerbeam #define OV5640_REG_SDE_CTRL0 0x5580 9119a81c14SSteve Longerbeam #define OV5640_REG_SDE_CTRL1 0x5581 9219a81c14SSteve Longerbeam #define OV5640_REG_SDE_CTRL3 0x5583 9319a81c14SSteve Longerbeam #define OV5640_REG_SDE_CTRL4 0x5584 9419a81c14SSteve Longerbeam #define OV5640_REG_SDE_CTRL5 0x5585 9519a81c14SSteve Longerbeam #define OV5640_REG_AVG_READOUT 0x56a1 9619a81c14SSteve Longerbeam 9719a81c14SSteve Longerbeam enum ov5640_mode_id { 9819a81c14SSteve Longerbeam OV5640_MODE_QCIF_176_144 = 0, 9919a81c14SSteve Longerbeam OV5640_MODE_QVGA_320_240, 10019a81c14SSteve Longerbeam OV5640_MODE_VGA_640_480, 10119a81c14SSteve Longerbeam OV5640_MODE_NTSC_720_480, 10219a81c14SSteve Longerbeam OV5640_MODE_PAL_720_576, 10319a81c14SSteve Longerbeam OV5640_MODE_XGA_1024_768, 10419a81c14SSteve Longerbeam OV5640_MODE_720P_1280_720, 10519a81c14SSteve Longerbeam OV5640_MODE_1080P_1920_1080, 10619a81c14SSteve Longerbeam OV5640_MODE_QSXGA_2592_1944, 10719a81c14SSteve Longerbeam OV5640_NUM_MODES, 10819a81c14SSteve Longerbeam }; 10919a81c14SSteve Longerbeam 11019a81c14SSteve Longerbeam enum ov5640_frame_rate { 11119a81c14SSteve Longerbeam OV5640_15_FPS = 0, 11219a81c14SSteve Longerbeam OV5640_30_FPS, 113e823fb16SMaxime Ripard OV5640_60_FPS, 11419a81c14SSteve Longerbeam OV5640_NUM_FRAMERATES, 11519a81c14SSteve Longerbeam }; 11619a81c14SSteve Longerbeam 117b7ed3abdSLoic Poulain enum ov5640_format_mux { 118b7ed3abdSLoic Poulain OV5640_FMT_MUX_YUV422 = 0, 119b7ed3abdSLoic Poulain OV5640_FMT_MUX_RGB, 120b7ed3abdSLoic Poulain OV5640_FMT_MUX_DITHER, 121b7ed3abdSLoic Poulain OV5640_FMT_MUX_RAW_DPC, 122b7ed3abdSLoic Poulain OV5640_FMT_MUX_SNR_RAW, 123b7ed3abdSLoic Poulain OV5640_FMT_MUX_RAW_CIP, 124b7ed3abdSLoic Poulain }; 125b7ed3abdSLoic Poulain 126e3ee691dSHugues Fruchet struct ov5640_pixfmt { 127e3ee691dSHugues Fruchet u32 code; 128e3ee691dSHugues Fruchet u32 colorspace; 129e3ee691dSHugues Fruchet }; 130e3ee691dSHugues Fruchet 131e3ee691dSHugues Fruchet static const struct ov5640_pixfmt ov5640_formats[] = { 132d47c4126SHugues Fruchet { MEDIA_BUS_FMT_JPEG_1X8, V4L2_COLORSPACE_JPEG, }, 133e3ee691dSHugues Fruchet { MEDIA_BUS_FMT_UYVY8_2X8, V4L2_COLORSPACE_SRGB, }, 134e3ee691dSHugues Fruchet { MEDIA_BUS_FMT_YUYV8_2X8, V4L2_COLORSPACE_SRGB, }, 135e3ee691dSHugues Fruchet { MEDIA_BUS_FMT_RGB565_2X8_LE, V4L2_COLORSPACE_SRGB, }, 136e3ee691dSHugues Fruchet { MEDIA_BUS_FMT_RGB565_2X8_BE, V4L2_COLORSPACE_SRGB, }, 137b7ed3abdSLoic Poulain { MEDIA_BUS_FMT_SBGGR8_1X8, V4L2_COLORSPACE_SRGB, }, 138b7ed3abdSLoic Poulain { MEDIA_BUS_FMT_SGBRG8_1X8, V4L2_COLORSPACE_SRGB, }, 139b7ed3abdSLoic Poulain { MEDIA_BUS_FMT_SGRBG8_1X8, V4L2_COLORSPACE_SRGB, }, 140b7ed3abdSLoic Poulain { MEDIA_BUS_FMT_SRGGB8_1X8, V4L2_COLORSPACE_SRGB, }, 141e3ee691dSHugues Fruchet }; 142e3ee691dSHugues Fruchet 14319a81c14SSteve Longerbeam /* 14419a81c14SSteve Longerbeam * FIXME: remove this when a subdev API becomes available 14519a81c14SSteve Longerbeam * to set the MIPI CSI-2 virtual channel. 14619a81c14SSteve Longerbeam */ 14719a81c14SSteve Longerbeam static unsigned int virtual_channel; 1488670d70aSHugues Fruchet module_param(virtual_channel, uint, 0444); 14919a81c14SSteve Longerbeam MODULE_PARM_DESC(virtual_channel, 15019a81c14SSteve Longerbeam "MIPI CSI-2 virtual channel (0..3), default 0"); 15119a81c14SSteve Longerbeam 15219a81c14SSteve Longerbeam static const int ov5640_framerates[] = { 15319a81c14SSteve Longerbeam [OV5640_15_FPS] = 15, 15419a81c14SSteve Longerbeam [OV5640_30_FPS] = 30, 155e823fb16SMaxime Ripard [OV5640_60_FPS] = 60, 15619a81c14SSteve Longerbeam }; 15719a81c14SSteve Longerbeam 15819a81c14SSteve Longerbeam /* regulator supplies */ 15919a81c14SSteve Longerbeam static const char * const ov5640_supply_name[] = { 16041d8d7f5SHugues Fruchet "DOVDD", /* Digital I/O (1.8V) supply */ 16119a81c14SSteve Longerbeam "AVDD", /* Analog (2.8V) supply */ 16224c8ac89SFabio Estevam "DVDD", /* Digital Core (1.5V) supply */ 16319a81c14SSteve Longerbeam }; 16419a81c14SSteve Longerbeam 16519a81c14SSteve Longerbeam #define OV5640_NUM_SUPPLIES ARRAY_SIZE(ov5640_supply_name) 16619a81c14SSteve Longerbeam 16719a81c14SSteve Longerbeam /* 16819a81c14SSteve Longerbeam * Image size under 1280 * 960 are SUBSAMPLING 16919a81c14SSteve Longerbeam * Image size upper 1280 * 960 are SCALING 17019a81c14SSteve Longerbeam */ 17119a81c14SSteve Longerbeam enum ov5640_downsize_mode { 17219a81c14SSteve Longerbeam SUBSAMPLING, 17319a81c14SSteve Longerbeam SCALING, 17419a81c14SSteve Longerbeam }; 17519a81c14SSteve Longerbeam 17619a81c14SSteve Longerbeam struct reg_value { 17719a81c14SSteve Longerbeam u16 reg_addr; 17819a81c14SSteve Longerbeam u8 val; 17919a81c14SSteve Longerbeam u8 mask; 18019a81c14SSteve Longerbeam u32 delay_ms; 18119a81c14SSteve Longerbeam }; 18219a81c14SSteve Longerbeam 18319a81c14SSteve Longerbeam struct ov5640_mode_info { 18419a81c14SSteve Longerbeam enum ov5640_mode_id id; 18519a81c14SSteve Longerbeam enum ov5640_downsize_mode dn_mode; 186dba13a0bSMaxime Ripard u32 hact; 187476dec01SMaxime Ripard u32 htot; 188dba13a0bSMaxime Ripard u32 vact; 189476dec01SMaxime Ripard u32 vtot; 19019a81c14SSteve Longerbeam const struct reg_value *reg_data; 19119a81c14SSteve Longerbeam u32 reg_data_size; 19219a81c14SSteve Longerbeam }; 19319a81c14SSteve Longerbeam 19419a81c14SSteve Longerbeam struct ov5640_ctrls { 19519a81c14SSteve Longerbeam struct v4l2_ctrl_handler handler; 19619a81c14SSteve Longerbeam struct { 19719a81c14SSteve Longerbeam struct v4l2_ctrl *auto_exp; 19819a81c14SSteve Longerbeam struct v4l2_ctrl *exposure; 19919a81c14SSteve Longerbeam }; 20019a81c14SSteve Longerbeam struct { 20119a81c14SSteve Longerbeam struct v4l2_ctrl *auto_wb; 20219a81c14SSteve Longerbeam struct v4l2_ctrl *blue_balance; 20319a81c14SSteve Longerbeam struct v4l2_ctrl *red_balance; 20419a81c14SSteve Longerbeam }; 20519a81c14SSteve Longerbeam struct { 20619a81c14SSteve Longerbeam struct v4l2_ctrl *auto_gain; 20719a81c14SSteve Longerbeam struct v4l2_ctrl *gain; 20819a81c14SSteve Longerbeam }; 20919a81c14SSteve Longerbeam struct v4l2_ctrl *brightness; 2101068fecaSMylène Josserand struct v4l2_ctrl *light_freq; 21119a81c14SSteve Longerbeam struct v4l2_ctrl *saturation; 21219a81c14SSteve Longerbeam struct v4l2_ctrl *contrast; 21319a81c14SSteve Longerbeam struct v4l2_ctrl *hue; 21419a81c14SSteve Longerbeam struct v4l2_ctrl *test_pattern; 215ce85705aSHugues Fruchet struct v4l2_ctrl *hflip; 216ce85705aSHugues Fruchet struct v4l2_ctrl *vflip; 21719a81c14SSteve Longerbeam }; 21819a81c14SSteve Longerbeam 21919a81c14SSteve Longerbeam struct ov5640_dev { 22019a81c14SSteve Longerbeam struct i2c_client *i2c_client; 22119a81c14SSteve Longerbeam struct v4l2_subdev sd; 22219a81c14SSteve Longerbeam struct media_pad pad; 22319a81c14SSteve Longerbeam struct v4l2_fwnode_endpoint ep; /* the parsed DT endpoint info */ 22419a81c14SSteve Longerbeam struct clk *xclk; /* system clock to OV5640 */ 22519a81c14SSteve Longerbeam u32 xclk_freq; 22619a81c14SSteve Longerbeam 22719a81c14SSteve Longerbeam struct regulator_bulk_data supplies[OV5640_NUM_SUPPLIES]; 22819a81c14SSteve Longerbeam struct gpio_desc *reset_gpio; 22919a81c14SSteve Longerbeam struct gpio_desc *pwdn_gpio; 230c3f3ba3eSHugues Fruchet bool upside_down; 23119a81c14SSteve Longerbeam 23219a81c14SSteve Longerbeam /* lock to protect all members below */ 23319a81c14SSteve Longerbeam struct mutex lock; 23419a81c14SSteve Longerbeam 23519a81c14SSteve Longerbeam int power_count; 23619a81c14SSteve Longerbeam 23719a81c14SSteve Longerbeam struct v4l2_mbus_framefmt fmt; 238fb98e29fSHugues Fruchet bool pending_fmt_change; 23919a81c14SSteve Longerbeam 24019a81c14SSteve Longerbeam const struct ov5640_mode_info *current_mode; 241985cdcb0SHugues Fruchet const struct ov5640_mode_info *last_mode; 24219a81c14SSteve Longerbeam enum ov5640_frame_rate current_fr; 24319a81c14SSteve Longerbeam struct v4l2_fract frame_interval; 24419a81c14SSteve Longerbeam 24519a81c14SSteve Longerbeam struct ov5640_ctrls ctrls; 24619a81c14SSteve Longerbeam 24719a81c14SSteve Longerbeam u32 prev_sysclk, prev_hts; 24819a81c14SSteve Longerbeam u32 ae_low, ae_high, ae_target; 24919a81c14SSteve Longerbeam 25019a81c14SSteve Longerbeam bool pending_mode_change; 25119a81c14SSteve Longerbeam bool streaming; 25219a81c14SSteve Longerbeam }; 25319a81c14SSteve Longerbeam 25419a81c14SSteve Longerbeam static inline struct ov5640_dev *to_ov5640_dev(struct v4l2_subdev *sd) 25519a81c14SSteve Longerbeam { 25619a81c14SSteve Longerbeam return container_of(sd, struct ov5640_dev, sd); 25719a81c14SSteve Longerbeam } 25819a81c14SSteve Longerbeam 25919a81c14SSteve Longerbeam static inline struct v4l2_subdev *ctrl_to_sd(struct v4l2_ctrl *ctrl) 26019a81c14SSteve Longerbeam { 26119a81c14SSteve Longerbeam return &container_of(ctrl->handler, struct ov5640_dev, 26219a81c14SSteve Longerbeam ctrls.handler)->sd; 26319a81c14SSteve Longerbeam } 26419a81c14SSteve Longerbeam 26519a81c14SSteve Longerbeam /* 26619a81c14SSteve Longerbeam * FIXME: all of these register tables are likely filled with 26719a81c14SSteve Longerbeam * entries that set the register to their power-on default values, 26819a81c14SSteve Longerbeam * and which are otherwise not touched by this driver. Those entries 26919a81c14SSteve Longerbeam * should be identified and removed to speed register load time 27019a81c14SSteve Longerbeam * over i2c. 27119a81c14SSteve Longerbeam */ 272fb98e29fSHugues Fruchet /* YUV422 UYVY VGA@30fps */ 27319a81c14SSteve Longerbeam static const struct reg_value ov5640_init_setting_30fps_VGA[] = { 27419a81c14SSteve Longerbeam {0x3103, 0x11, 0, 0}, {0x3008, 0x82, 0, 5}, {0x3008, 0x42, 0, 0}, 27519a81c14SSteve Longerbeam {0x3103, 0x03, 0, 0}, {0x3017, 0x00, 0, 0}, {0x3018, 0x00, 0, 0}, 276c14d107eSMaxime Ripard {0x3630, 0x36, 0, 0}, 27719a81c14SSteve Longerbeam {0x3631, 0x0e, 0, 0}, {0x3632, 0xe2, 0, 0}, {0x3633, 0x12, 0, 0}, 27819a81c14SSteve Longerbeam {0x3621, 0xe0, 0, 0}, {0x3704, 0xa0, 0, 0}, {0x3703, 0x5a, 0, 0}, 27919a81c14SSteve Longerbeam {0x3715, 0x78, 0, 0}, {0x3717, 0x01, 0, 0}, {0x370b, 0x60, 0, 0}, 28019a81c14SSteve Longerbeam {0x3705, 0x1a, 0, 0}, {0x3905, 0x02, 0, 0}, {0x3906, 0x10, 0, 0}, 28119a81c14SSteve Longerbeam {0x3901, 0x0a, 0, 0}, {0x3731, 0x12, 0, 0}, {0x3600, 0x08, 0, 0}, 28219a81c14SSteve Longerbeam {0x3601, 0x33, 0, 0}, {0x302d, 0x60, 0, 0}, {0x3620, 0x52, 0, 0}, 28319a81c14SSteve Longerbeam {0x371b, 0x20, 0, 0}, {0x471c, 0x50, 0, 0}, {0x3a13, 0x43, 0, 0}, 28419a81c14SSteve Longerbeam {0x3a18, 0x00, 0, 0}, {0x3a19, 0xf8, 0, 0}, {0x3635, 0x13, 0, 0}, 28519a81c14SSteve Longerbeam {0x3636, 0x03, 0, 0}, {0x3634, 0x40, 0, 0}, {0x3622, 0x01, 0, 0}, 28619a81c14SSteve Longerbeam {0x3c01, 0xa4, 0, 0}, {0x3c04, 0x28, 0, 0}, {0x3c05, 0x98, 0, 0}, 28719a81c14SSteve Longerbeam {0x3c06, 0x00, 0, 0}, {0x3c07, 0x08, 0, 0}, {0x3c08, 0x00, 0, 0}, 28819a81c14SSteve Longerbeam {0x3c09, 0x1c, 0, 0}, {0x3c0a, 0x9c, 0, 0}, {0x3c0b, 0x40, 0, 0}, 28919a81c14SSteve Longerbeam {0x3820, 0x41, 0, 0}, {0x3821, 0x07, 0, 0}, {0x3814, 0x31, 0, 0}, 29019a81c14SSteve Longerbeam {0x3815, 0x31, 0, 0}, {0x3800, 0x00, 0, 0}, {0x3801, 0x00, 0, 0}, 29119a81c14SSteve Longerbeam {0x3802, 0x00, 0, 0}, {0x3803, 0x04, 0, 0}, {0x3804, 0x0a, 0, 0}, 29219a81c14SSteve Longerbeam {0x3805, 0x3f, 0, 0}, {0x3806, 0x07, 0, 0}, {0x3807, 0x9b, 0, 0}, 293476dec01SMaxime Ripard {0x3810, 0x00, 0, 0}, 29419a81c14SSteve Longerbeam {0x3811, 0x10, 0, 0}, {0x3812, 0x00, 0, 0}, {0x3813, 0x06, 0, 0}, 29519a81c14SSteve Longerbeam {0x3618, 0x00, 0, 0}, {0x3612, 0x29, 0, 0}, {0x3708, 0x64, 0, 0}, 29619a81c14SSteve Longerbeam {0x3709, 0x52, 0, 0}, {0x370c, 0x03, 0, 0}, {0x3a02, 0x03, 0, 0}, 29719a81c14SSteve Longerbeam {0x3a03, 0xd8, 0, 0}, {0x3a08, 0x01, 0, 0}, {0x3a09, 0x27, 0, 0}, 29819a81c14SSteve Longerbeam {0x3a0a, 0x00, 0, 0}, {0x3a0b, 0xf6, 0, 0}, {0x3a0e, 0x03, 0, 0}, 29919a81c14SSteve Longerbeam {0x3a0d, 0x04, 0, 0}, {0x3a14, 0x03, 0, 0}, {0x3a15, 0xd8, 0, 0}, 30019a81c14SSteve Longerbeam {0x4001, 0x02, 0, 0}, {0x4004, 0x02, 0, 0}, {0x3000, 0x00, 0, 0}, 30119a81c14SSteve Longerbeam {0x3002, 0x1c, 0, 0}, {0x3004, 0xff, 0, 0}, {0x3006, 0xc3, 0, 0}, 302aa4bb8b8SJacopo Mondi {0x302e, 0x08, 0, 0}, {0x4300, 0x3f, 0, 0}, 3032b5c18f9SChen-Yu Tsai {0x501f, 0x00, 0, 0}, {0x4407, 0x04, 0, 0}, 30419a81c14SSteve Longerbeam {0x440e, 0x00, 0, 0}, {0x460b, 0x35, 0, 0}, {0x460c, 0x22, 0, 0}, 305aa4bb8b8SJacopo Mondi {0x4837, 0x0a, 0, 0}, {0x3824, 0x02, 0, 0}, 30619a81c14SSteve Longerbeam {0x5000, 0xa7, 0, 0}, {0x5001, 0xa3, 0, 0}, {0x5180, 0xff, 0, 0}, 30719a81c14SSteve Longerbeam {0x5181, 0xf2, 0, 0}, {0x5182, 0x00, 0, 0}, {0x5183, 0x14, 0, 0}, 30819a81c14SSteve Longerbeam {0x5184, 0x25, 0, 0}, {0x5185, 0x24, 0, 0}, {0x5186, 0x09, 0, 0}, 30919a81c14SSteve Longerbeam {0x5187, 0x09, 0, 0}, {0x5188, 0x09, 0, 0}, {0x5189, 0x88, 0, 0}, 31019a81c14SSteve Longerbeam {0x518a, 0x54, 0, 0}, {0x518b, 0xee, 0, 0}, {0x518c, 0xb2, 0, 0}, 31119a81c14SSteve Longerbeam {0x518d, 0x50, 0, 0}, {0x518e, 0x34, 0, 0}, {0x518f, 0x6b, 0, 0}, 31219a81c14SSteve Longerbeam {0x5190, 0x46, 0, 0}, {0x5191, 0xf8, 0, 0}, {0x5192, 0x04, 0, 0}, 31319a81c14SSteve Longerbeam {0x5193, 0x70, 0, 0}, {0x5194, 0xf0, 0, 0}, {0x5195, 0xf0, 0, 0}, 31419a81c14SSteve Longerbeam {0x5196, 0x03, 0, 0}, {0x5197, 0x01, 0, 0}, {0x5198, 0x04, 0, 0}, 31519a81c14SSteve Longerbeam {0x5199, 0x6c, 0, 0}, {0x519a, 0x04, 0, 0}, {0x519b, 0x00, 0, 0}, 31619a81c14SSteve Longerbeam {0x519c, 0x09, 0, 0}, {0x519d, 0x2b, 0, 0}, {0x519e, 0x38, 0, 0}, 31719a81c14SSteve Longerbeam {0x5381, 0x1e, 0, 0}, {0x5382, 0x5b, 0, 0}, {0x5383, 0x08, 0, 0}, 31819a81c14SSteve Longerbeam {0x5384, 0x0a, 0, 0}, {0x5385, 0x7e, 0, 0}, {0x5386, 0x88, 0, 0}, 31919a81c14SSteve Longerbeam {0x5387, 0x7c, 0, 0}, {0x5388, 0x6c, 0, 0}, {0x5389, 0x10, 0, 0}, 32019a81c14SSteve Longerbeam {0x538a, 0x01, 0, 0}, {0x538b, 0x98, 0, 0}, {0x5300, 0x08, 0, 0}, 32119a81c14SSteve Longerbeam {0x5301, 0x30, 0, 0}, {0x5302, 0x10, 0, 0}, {0x5303, 0x00, 0, 0}, 32219a81c14SSteve Longerbeam {0x5304, 0x08, 0, 0}, {0x5305, 0x30, 0, 0}, {0x5306, 0x08, 0, 0}, 32319a81c14SSteve Longerbeam {0x5307, 0x16, 0, 0}, {0x5309, 0x08, 0, 0}, {0x530a, 0x30, 0, 0}, 32419a81c14SSteve Longerbeam {0x530b, 0x04, 0, 0}, {0x530c, 0x06, 0, 0}, {0x5480, 0x01, 0, 0}, 32519a81c14SSteve Longerbeam {0x5481, 0x08, 0, 0}, {0x5482, 0x14, 0, 0}, {0x5483, 0x28, 0, 0}, 32619a81c14SSteve Longerbeam {0x5484, 0x51, 0, 0}, {0x5485, 0x65, 0, 0}, {0x5486, 0x71, 0, 0}, 32719a81c14SSteve Longerbeam {0x5487, 0x7d, 0, 0}, {0x5488, 0x87, 0, 0}, {0x5489, 0x91, 0, 0}, 32819a81c14SSteve Longerbeam {0x548a, 0x9a, 0, 0}, {0x548b, 0xaa, 0, 0}, {0x548c, 0xb8, 0, 0}, 32919a81c14SSteve Longerbeam {0x548d, 0xcd, 0, 0}, {0x548e, 0xdd, 0, 0}, {0x548f, 0xea, 0, 0}, 33019a81c14SSteve Longerbeam {0x5490, 0x1d, 0, 0}, {0x5580, 0x02, 0, 0}, {0x5583, 0x40, 0, 0}, 33119a81c14SSteve Longerbeam {0x5584, 0x10, 0, 0}, {0x5589, 0x10, 0, 0}, {0x558a, 0x00, 0, 0}, 33219a81c14SSteve Longerbeam {0x558b, 0xf8, 0, 0}, {0x5800, 0x23, 0, 0}, {0x5801, 0x14, 0, 0}, 33319a81c14SSteve Longerbeam {0x5802, 0x0f, 0, 0}, {0x5803, 0x0f, 0, 0}, {0x5804, 0x12, 0, 0}, 33419a81c14SSteve Longerbeam {0x5805, 0x26, 0, 0}, {0x5806, 0x0c, 0, 0}, {0x5807, 0x08, 0, 0}, 33519a81c14SSteve Longerbeam {0x5808, 0x05, 0, 0}, {0x5809, 0x05, 0, 0}, {0x580a, 0x08, 0, 0}, 33619a81c14SSteve Longerbeam {0x580b, 0x0d, 0, 0}, {0x580c, 0x08, 0, 0}, {0x580d, 0x03, 0, 0}, 33719a81c14SSteve Longerbeam {0x580e, 0x00, 0, 0}, {0x580f, 0x00, 0, 0}, {0x5810, 0x03, 0, 0}, 33819a81c14SSteve Longerbeam {0x5811, 0x09, 0, 0}, {0x5812, 0x07, 0, 0}, {0x5813, 0x03, 0, 0}, 33919a81c14SSteve Longerbeam {0x5814, 0x00, 0, 0}, {0x5815, 0x01, 0, 0}, {0x5816, 0x03, 0, 0}, 34019a81c14SSteve Longerbeam {0x5817, 0x08, 0, 0}, {0x5818, 0x0d, 0, 0}, {0x5819, 0x08, 0, 0}, 34119a81c14SSteve Longerbeam {0x581a, 0x05, 0, 0}, {0x581b, 0x06, 0, 0}, {0x581c, 0x08, 0, 0}, 34219a81c14SSteve Longerbeam {0x581d, 0x0e, 0, 0}, {0x581e, 0x29, 0, 0}, {0x581f, 0x17, 0, 0}, 34319a81c14SSteve Longerbeam {0x5820, 0x11, 0, 0}, {0x5821, 0x11, 0, 0}, {0x5822, 0x15, 0, 0}, 34419a81c14SSteve Longerbeam {0x5823, 0x28, 0, 0}, {0x5824, 0x46, 0, 0}, {0x5825, 0x26, 0, 0}, 34519a81c14SSteve Longerbeam {0x5826, 0x08, 0, 0}, {0x5827, 0x26, 0, 0}, {0x5828, 0x64, 0, 0}, 34619a81c14SSteve Longerbeam {0x5829, 0x26, 0, 0}, {0x582a, 0x24, 0, 0}, {0x582b, 0x22, 0, 0}, 34719a81c14SSteve Longerbeam {0x582c, 0x24, 0, 0}, {0x582d, 0x24, 0, 0}, {0x582e, 0x06, 0, 0}, 34819a81c14SSteve Longerbeam {0x582f, 0x22, 0, 0}, {0x5830, 0x40, 0, 0}, {0x5831, 0x42, 0, 0}, 34919a81c14SSteve Longerbeam {0x5832, 0x24, 0, 0}, {0x5833, 0x26, 0, 0}, {0x5834, 0x24, 0, 0}, 35019a81c14SSteve Longerbeam {0x5835, 0x22, 0, 0}, {0x5836, 0x22, 0, 0}, {0x5837, 0x26, 0, 0}, 35119a81c14SSteve Longerbeam {0x5838, 0x44, 0, 0}, {0x5839, 0x24, 0, 0}, {0x583a, 0x26, 0, 0}, 35219a81c14SSteve Longerbeam {0x583b, 0x28, 0, 0}, {0x583c, 0x42, 0, 0}, {0x583d, 0xce, 0, 0}, 35319a81c14SSteve Longerbeam {0x5025, 0x00, 0, 0}, {0x3a0f, 0x30, 0, 0}, {0x3a10, 0x28, 0, 0}, 35419a81c14SSteve Longerbeam {0x3a1b, 0x30, 0, 0}, {0x3a1e, 0x26, 0, 0}, {0x3a11, 0x60, 0, 0}, 35519a81c14SSteve Longerbeam {0x3a1f, 0x14, 0, 0}, {0x3008, 0x02, 0, 0}, {0x3c00, 0x04, 0, 300}, 35619a81c14SSteve Longerbeam }; 35719a81c14SSteve Longerbeam 358086c25f8SMaxime Ripard static const struct reg_value ov5640_setting_VGA_640_480[] = { 359c14d107eSMaxime Ripard {0x3c07, 0x08, 0, 0}, 36019a81c14SSteve Longerbeam {0x3c09, 0x1c, 0, 0}, {0x3c0a, 0x9c, 0, 0}, {0x3c0b, 0x40, 0, 0}, 361ce85705aSHugues Fruchet {0x3814, 0x31, 0, 0}, 36219a81c14SSteve Longerbeam {0x3815, 0x31, 0, 0}, {0x3800, 0x00, 0, 0}, {0x3801, 0x00, 0, 0}, 36319a81c14SSteve Longerbeam {0x3802, 0x00, 0, 0}, {0x3803, 0x04, 0, 0}, {0x3804, 0x0a, 0, 0}, 36419a81c14SSteve Longerbeam {0x3805, 0x3f, 0, 0}, {0x3806, 0x07, 0, 0}, {0x3807, 0x9b, 0, 0}, 365476dec01SMaxime Ripard {0x3810, 0x00, 0, 0}, 36619a81c14SSteve Longerbeam {0x3811, 0x10, 0, 0}, {0x3812, 0x00, 0, 0}, {0x3813, 0x06, 0, 0}, 36719a81c14SSteve Longerbeam {0x3618, 0x00, 0, 0}, {0x3612, 0x29, 0, 0}, {0x3708, 0x64, 0, 0}, 36819a81c14SSteve Longerbeam {0x3709, 0x52, 0, 0}, {0x370c, 0x03, 0, 0}, {0x3a02, 0x03, 0, 0}, 36919a81c14SSteve Longerbeam {0x3a03, 0xd8, 0, 0}, {0x3a08, 0x01, 0, 0}, {0x3a09, 0x27, 0, 0}, 37019a81c14SSteve Longerbeam {0x3a0a, 0x00, 0, 0}, {0x3a0b, 0xf6, 0, 0}, {0x3a0e, 0x03, 0, 0}, 37119a81c14SSteve Longerbeam {0x3a0d, 0x04, 0, 0}, {0x3a14, 0x03, 0, 0}, {0x3a15, 0xd8, 0, 0}, 3722b5c18f9SChen-Yu Tsai {0x4001, 0x02, 0, 0}, {0x4004, 0x02, 0, 0}, 37319a81c14SSteve Longerbeam {0x4407, 0x04, 0, 0}, {0x460b, 0x35, 0, 0}, {0x460c, 0x22, 0, 0}, 37419a81c14SSteve Longerbeam {0x3824, 0x02, 0, 0}, {0x5001, 0xa3, 0, 0}, 37519a81c14SSteve Longerbeam }; 37619a81c14SSteve Longerbeam 377086c25f8SMaxime Ripard static const struct reg_value ov5640_setting_XGA_1024_768[] = { 378c14d107eSMaxime Ripard {0x3c07, 0x08, 0, 0}, 37919a81c14SSteve Longerbeam {0x3c09, 0x1c, 0, 0}, {0x3c0a, 0x9c, 0, 0}, {0x3c0b, 0x40, 0, 0}, 380ce85705aSHugues Fruchet {0x3814, 0x31, 0, 0}, 38119a81c14SSteve Longerbeam {0x3815, 0x31, 0, 0}, {0x3800, 0x00, 0, 0}, {0x3801, 0x00, 0, 0}, 38219a81c14SSteve Longerbeam {0x3802, 0x00, 0, 0}, {0x3803, 0x04, 0, 0}, {0x3804, 0x0a, 0, 0}, 38319a81c14SSteve Longerbeam {0x3805, 0x3f, 0, 0}, {0x3806, 0x07, 0, 0}, {0x3807, 0x9b, 0, 0}, 384476dec01SMaxime Ripard {0x3810, 0x00, 0, 0}, 38519a81c14SSteve Longerbeam {0x3811, 0x10, 0, 0}, {0x3812, 0x00, 0, 0}, {0x3813, 0x06, 0, 0}, 38619a81c14SSteve Longerbeam {0x3618, 0x00, 0, 0}, {0x3612, 0x29, 0, 0}, {0x3708, 0x64, 0, 0}, 38719a81c14SSteve Longerbeam {0x3709, 0x52, 0, 0}, {0x370c, 0x03, 0, 0}, {0x3a02, 0x03, 0, 0}, 38819a81c14SSteve Longerbeam {0x3a03, 0xd8, 0, 0}, {0x3a08, 0x01, 0, 0}, {0x3a09, 0x27, 0, 0}, 38919a81c14SSteve Longerbeam {0x3a0a, 0x00, 0, 0}, {0x3a0b, 0xf6, 0, 0}, {0x3a0e, 0x03, 0, 0}, 39019a81c14SSteve Longerbeam {0x3a0d, 0x04, 0, 0}, {0x3a14, 0x03, 0, 0}, {0x3a15, 0xd8, 0, 0}, 3912b5c18f9SChen-Yu Tsai {0x4001, 0x02, 0, 0}, {0x4004, 0x02, 0, 0}, 39219a81c14SSteve Longerbeam {0x4407, 0x04, 0, 0}, {0x460b, 0x35, 0, 0}, {0x460c, 0x22, 0, 0}, 39386633417SMaxime Ripard {0x3824, 0x02, 0, 0}, {0x5001, 0xa3, 0, 0}, 39419a81c14SSteve Longerbeam }; 39519a81c14SSteve Longerbeam 396086c25f8SMaxime Ripard static const struct reg_value ov5640_setting_QVGA_320_240[] = { 397c14d107eSMaxime Ripard {0x3c07, 0x08, 0, 0}, 39819a81c14SSteve Longerbeam {0x3c09, 0x1c, 0, 0}, {0x3c0a, 0x9c, 0, 0}, {0x3c0b, 0x40, 0, 0}, 399ce85705aSHugues Fruchet {0x3814, 0x31, 0, 0}, 40019a81c14SSteve Longerbeam {0x3815, 0x31, 0, 0}, {0x3800, 0x00, 0, 0}, {0x3801, 0x00, 0, 0}, 40119a81c14SSteve Longerbeam {0x3802, 0x00, 0, 0}, {0x3803, 0x04, 0, 0}, {0x3804, 0x0a, 0, 0}, 40219a81c14SSteve Longerbeam {0x3805, 0x3f, 0, 0}, {0x3806, 0x07, 0, 0}, {0x3807, 0x9b, 0, 0}, 403476dec01SMaxime Ripard {0x3810, 0x00, 0, 0}, 40419a81c14SSteve Longerbeam {0x3811, 0x10, 0, 0}, {0x3812, 0x00, 0, 0}, {0x3813, 0x06, 0, 0}, 40519a81c14SSteve Longerbeam {0x3618, 0x00, 0, 0}, {0x3612, 0x29, 0, 0}, {0x3708, 0x64, 0, 0}, 40619a81c14SSteve Longerbeam {0x3709, 0x52, 0, 0}, {0x370c, 0x03, 0, 0}, {0x3a02, 0x03, 0, 0}, 40719a81c14SSteve Longerbeam {0x3a03, 0xd8, 0, 0}, {0x3a08, 0x01, 0, 0}, {0x3a09, 0x27, 0, 0}, 40819a81c14SSteve Longerbeam {0x3a0a, 0x00, 0, 0}, {0x3a0b, 0xf6, 0, 0}, {0x3a0e, 0x03, 0, 0}, 40919a81c14SSteve Longerbeam {0x3a0d, 0x04, 0, 0}, {0x3a14, 0x03, 0, 0}, {0x3a15, 0xd8, 0, 0}, 4102b5c18f9SChen-Yu Tsai {0x4001, 0x02, 0, 0}, {0x4004, 0x02, 0, 0}, 41119a81c14SSteve Longerbeam {0x4407, 0x04, 0, 0}, {0x460b, 0x35, 0, 0}, {0x460c, 0x22, 0, 0}, 41219a81c14SSteve Longerbeam {0x3824, 0x02, 0, 0}, {0x5001, 0xa3, 0, 0}, 41319a81c14SSteve Longerbeam }; 41419a81c14SSteve Longerbeam 415086c25f8SMaxime Ripard static const struct reg_value ov5640_setting_QCIF_176_144[] = { 416c14d107eSMaxime Ripard {0x3c07, 0x08, 0, 0}, 41719a81c14SSteve Longerbeam {0x3c09, 0x1c, 0, 0}, {0x3c0a, 0x9c, 0, 0}, {0x3c0b, 0x40, 0, 0}, 418ce85705aSHugues Fruchet {0x3814, 0x31, 0, 0}, 41919a81c14SSteve Longerbeam {0x3815, 0x31, 0, 0}, {0x3800, 0x00, 0, 0}, {0x3801, 0x00, 0, 0}, 42019a81c14SSteve Longerbeam {0x3802, 0x00, 0, 0}, {0x3803, 0x04, 0, 0}, {0x3804, 0x0a, 0, 0}, 42119a81c14SSteve Longerbeam {0x3805, 0x3f, 0, 0}, {0x3806, 0x07, 0, 0}, {0x3807, 0x9b, 0, 0}, 422476dec01SMaxime Ripard {0x3810, 0x00, 0, 0}, 42319a81c14SSteve Longerbeam {0x3811, 0x10, 0, 0}, {0x3812, 0x00, 0, 0}, {0x3813, 0x06, 0, 0}, 42419a81c14SSteve Longerbeam {0x3618, 0x00, 0, 0}, {0x3612, 0x29, 0, 0}, {0x3708, 0x64, 0, 0}, 42519a81c14SSteve Longerbeam {0x3709, 0x52, 0, 0}, {0x370c, 0x03, 0, 0}, {0x3a02, 0x03, 0, 0}, 42619a81c14SSteve Longerbeam {0x3a03, 0xd8, 0, 0}, {0x3a08, 0x01, 0, 0}, {0x3a09, 0x27, 0, 0}, 42719a81c14SSteve Longerbeam {0x3a0a, 0x00, 0, 0}, {0x3a0b, 0xf6, 0, 0}, {0x3a0e, 0x03, 0, 0}, 42819a81c14SSteve Longerbeam {0x3a0d, 0x04, 0, 0}, {0x3a14, 0x03, 0, 0}, {0x3a15, 0xd8, 0, 0}, 4292b5c18f9SChen-Yu Tsai {0x4001, 0x02, 0, 0}, {0x4004, 0x02, 0, 0}, 43019a81c14SSteve Longerbeam {0x4407, 0x04, 0, 0}, {0x460b, 0x35, 0, 0}, {0x460c, 0x22, 0, 0}, 43119a81c14SSteve Longerbeam {0x3824, 0x02, 0, 0}, {0x5001, 0xa3, 0, 0}, 43219a81c14SSteve Longerbeam }; 43319a81c14SSteve Longerbeam 434086c25f8SMaxime Ripard static const struct reg_value ov5640_setting_NTSC_720_480[] = { 435c14d107eSMaxime Ripard {0x3c07, 0x08, 0, 0}, 43619a81c14SSteve Longerbeam {0x3c09, 0x1c, 0, 0}, {0x3c0a, 0x9c, 0, 0}, {0x3c0b, 0x40, 0, 0}, 437ce85705aSHugues Fruchet {0x3814, 0x31, 0, 0}, 43819a81c14SSteve Longerbeam {0x3815, 0x31, 0, 0}, {0x3800, 0x00, 0, 0}, {0x3801, 0x00, 0, 0}, 43919a81c14SSteve Longerbeam {0x3802, 0x00, 0, 0}, {0x3803, 0x04, 0, 0}, {0x3804, 0x0a, 0, 0}, 44019a81c14SSteve Longerbeam {0x3805, 0x3f, 0, 0}, {0x3806, 0x07, 0, 0}, {0x3807, 0x9b, 0, 0}, 441476dec01SMaxime Ripard {0x3810, 0x00, 0, 0}, 44219a81c14SSteve Longerbeam {0x3811, 0x10, 0, 0}, {0x3812, 0x00, 0, 0}, {0x3813, 0x3c, 0, 0}, 44319a81c14SSteve Longerbeam {0x3618, 0x00, 0, 0}, {0x3612, 0x29, 0, 0}, {0x3708, 0x64, 0, 0}, 44419a81c14SSteve Longerbeam {0x3709, 0x52, 0, 0}, {0x370c, 0x03, 0, 0}, {0x3a02, 0x03, 0, 0}, 44519a81c14SSteve Longerbeam {0x3a03, 0xd8, 0, 0}, {0x3a08, 0x01, 0, 0}, {0x3a09, 0x27, 0, 0}, 44619a81c14SSteve Longerbeam {0x3a0a, 0x00, 0, 0}, {0x3a0b, 0xf6, 0, 0}, {0x3a0e, 0x03, 0, 0}, 44719a81c14SSteve Longerbeam {0x3a0d, 0x04, 0, 0}, {0x3a14, 0x03, 0, 0}, {0x3a15, 0xd8, 0, 0}, 4482b5c18f9SChen-Yu Tsai {0x4001, 0x02, 0, 0}, {0x4004, 0x02, 0, 0}, 44919a81c14SSteve Longerbeam {0x4407, 0x04, 0, 0}, {0x460b, 0x35, 0, 0}, {0x460c, 0x22, 0, 0}, 45019a81c14SSteve Longerbeam {0x3824, 0x02, 0, 0}, {0x5001, 0xa3, 0, 0}, 45119a81c14SSteve Longerbeam }; 45219a81c14SSteve Longerbeam 453086c25f8SMaxime Ripard static const struct reg_value ov5640_setting_PAL_720_576[] = { 454c14d107eSMaxime Ripard {0x3c07, 0x08, 0, 0}, 45519a81c14SSteve Longerbeam {0x3c09, 0x1c, 0, 0}, {0x3c0a, 0x9c, 0, 0}, {0x3c0b, 0x40, 0, 0}, 456ce85705aSHugues Fruchet {0x3814, 0x31, 0, 0}, 45719a81c14SSteve Longerbeam {0x3815, 0x31, 0, 0}, {0x3800, 0x00, 0, 0}, {0x3801, 0x00, 0, 0}, 45819a81c14SSteve Longerbeam {0x3802, 0x00, 0, 0}, {0x3803, 0x04, 0, 0}, {0x3804, 0x0a, 0, 0}, 45919a81c14SSteve Longerbeam {0x3805, 0x3f, 0, 0}, {0x3806, 0x07, 0, 0}, {0x3807, 0x9b, 0, 0}, 460476dec01SMaxime Ripard {0x3810, 0x00, 0, 0}, 46119a81c14SSteve Longerbeam {0x3811, 0x38, 0, 0}, {0x3812, 0x00, 0, 0}, {0x3813, 0x06, 0, 0}, 46219a81c14SSteve Longerbeam {0x3618, 0x00, 0, 0}, {0x3612, 0x29, 0, 0}, {0x3708, 0x64, 0, 0}, 46319a81c14SSteve Longerbeam {0x3709, 0x52, 0, 0}, {0x370c, 0x03, 0, 0}, {0x3a02, 0x03, 0, 0}, 46419a81c14SSteve Longerbeam {0x3a03, 0xd8, 0, 0}, {0x3a08, 0x01, 0, 0}, {0x3a09, 0x27, 0, 0}, 46519a81c14SSteve Longerbeam {0x3a0a, 0x00, 0, 0}, {0x3a0b, 0xf6, 0, 0}, {0x3a0e, 0x03, 0, 0}, 46619a81c14SSteve Longerbeam {0x3a0d, 0x04, 0, 0}, {0x3a14, 0x03, 0, 0}, {0x3a15, 0xd8, 0, 0}, 4672b5c18f9SChen-Yu Tsai {0x4001, 0x02, 0, 0}, {0x4004, 0x02, 0, 0}, 46819a81c14SSteve Longerbeam {0x4407, 0x04, 0, 0}, {0x460b, 0x35, 0, 0}, {0x460c, 0x22, 0, 0}, 46919a81c14SSteve Longerbeam {0x3824, 0x02, 0, 0}, {0x5001, 0xa3, 0, 0}, 47019a81c14SSteve Longerbeam }; 47119a81c14SSteve Longerbeam 472086c25f8SMaxime Ripard static const struct reg_value ov5640_setting_720P_1280_720[] = { 473c14d107eSMaxime Ripard {0x3c07, 0x07, 0, 0}, 47419a81c14SSteve Longerbeam {0x3c09, 0x1c, 0, 0}, {0x3c0a, 0x9c, 0, 0}, {0x3c0b, 0x40, 0, 0}, 475ce85705aSHugues Fruchet {0x3814, 0x31, 0, 0}, 47619a81c14SSteve Longerbeam {0x3815, 0x31, 0, 0}, {0x3800, 0x00, 0, 0}, {0x3801, 0x00, 0, 0}, 47719a81c14SSteve Longerbeam {0x3802, 0x00, 0, 0}, {0x3803, 0xfa, 0, 0}, {0x3804, 0x0a, 0, 0}, 47819a81c14SSteve Longerbeam {0x3805, 0x3f, 0, 0}, {0x3806, 0x06, 0, 0}, {0x3807, 0xa9, 0, 0}, 479476dec01SMaxime Ripard {0x3810, 0x00, 0, 0}, 48019a81c14SSteve Longerbeam {0x3811, 0x10, 0, 0}, {0x3812, 0x00, 0, 0}, {0x3813, 0x04, 0, 0}, 48119a81c14SSteve Longerbeam {0x3618, 0x00, 0, 0}, {0x3612, 0x29, 0, 0}, {0x3708, 0x64, 0, 0}, 48219a81c14SSteve Longerbeam {0x3709, 0x52, 0, 0}, {0x370c, 0x03, 0, 0}, {0x3a02, 0x02, 0, 0}, 48319a81c14SSteve Longerbeam {0x3a03, 0xe4, 0, 0}, {0x3a08, 0x01, 0, 0}, {0x3a09, 0xbc, 0, 0}, 48419a81c14SSteve Longerbeam {0x3a0a, 0x01, 0, 0}, {0x3a0b, 0x72, 0, 0}, {0x3a0e, 0x01, 0, 0}, 48519a81c14SSteve Longerbeam {0x3a0d, 0x02, 0, 0}, {0x3a14, 0x02, 0, 0}, {0x3a15, 0xe4, 0, 0}, 4862b5c18f9SChen-Yu Tsai {0x4001, 0x02, 0, 0}, {0x4004, 0x02, 0, 0}, 48719a81c14SSteve Longerbeam {0x4407, 0x04, 0, 0}, {0x460b, 0x37, 0, 0}, {0x460c, 0x20, 0, 0}, 48819a81c14SSteve Longerbeam {0x3824, 0x04, 0, 0}, {0x5001, 0x83, 0, 0}, 48919a81c14SSteve Longerbeam }; 49019a81c14SSteve Longerbeam 491086c25f8SMaxime Ripard static const struct reg_value ov5640_setting_1080P_1920_1080[] = { 49219a81c14SSteve Longerbeam {0x3008, 0x42, 0, 0}, 493c14d107eSMaxime Ripard {0x3c07, 0x08, 0, 0}, 49419a81c14SSteve Longerbeam {0x3c09, 0x1c, 0, 0}, {0x3c0a, 0x9c, 0, 0}, {0x3c0b, 0x40, 0, 0}, 495ce85705aSHugues Fruchet {0x3814, 0x11, 0, 0}, 49619a81c14SSteve Longerbeam {0x3815, 0x11, 0, 0}, {0x3800, 0x00, 0, 0}, {0x3801, 0x00, 0, 0}, 49719a81c14SSteve Longerbeam {0x3802, 0x00, 0, 0}, {0x3803, 0x00, 0, 0}, {0x3804, 0x0a, 0, 0}, 49819a81c14SSteve Longerbeam {0x3805, 0x3f, 0, 0}, {0x3806, 0x07, 0, 0}, {0x3807, 0x9f, 0, 0}, 499476dec01SMaxime Ripard {0x3810, 0x00, 0, 0}, 50019a81c14SSteve Longerbeam {0x3811, 0x10, 0, 0}, {0x3812, 0x00, 0, 0}, {0x3813, 0x04, 0, 0}, 50119a81c14SSteve Longerbeam {0x3618, 0x04, 0, 0}, {0x3612, 0x29, 0, 0}, {0x3708, 0x21, 0, 0}, 50219a81c14SSteve Longerbeam {0x3709, 0x12, 0, 0}, {0x370c, 0x00, 0, 0}, {0x3a02, 0x03, 0, 0}, 50319a81c14SSteve Longerbeam {0x3a03, 0xd8, 0, 0}, {0x3a08, 0x01, 0, 0}, {0x3a09, 0x27, 0, 0}, 50419a81c14SSteve Longerbeam {0x3a0a, 0x00, 0, 0}, {0x3a0b, 0xf6, 0, 0}, {0x3a0e, 0x03, 0, 0}, 50519a81c14SSteve Longerbeam {0x3a0d, 0x04, 0, 0}, {0x3a14, 0x03, 0, 0}, {0x3a15, 0xd8, 0, 0}, 5062b5c18f9SChen-Yu Tsai {0x4001, 0x02, 0, 0}, {0x4004, 0x06, 0, 0}, 50719a81c14SSteve Longerbeam {0x4407, 0x04, 0, 0}, {0x460b, 0x35, 0, 0}, {0x460c, 0x22, 0, 0}, 508c14d107eSMaxime Ripard {0x3824, 0x02, 0, 0}, {0x5001, 0x83, 0, 0}, 509c14d107eSMaxime Ripard {0x3c07, 0x07, 0, 0}, {0x3c08, 0x00, 0, 0}, 51019a81c14SSteve Longerbeam {0x3c09, 0x1c, 0, 0}, {0x3c0a, 0x9c, 0, 0}, {0x3c0b, 0x40, 0, 0}, 51119a81c14SSteve Longerbeam {0x3800, 0x01, 0, 0}, {0x3801, 0x50, 0, 0}, {0x3802, 0x01, 0, 0}, 51219a81c14SSteve Longerbeam {0x3803, 0xb2, 0, 0}, {0x3804, 0x08, 0, 0}, {0x3805, 0xef, 0, 0}, 51386633417SMaxime Ripard {0x3806, 0x05, 0, 0}, {0x3807, 0xf1, 0, 0}, 514476dec01SMaxime Ripard {0x3612, 0x2b, 0, 0}, {0x3708, 0x64, 0, 0}, 51519a81c14SSteve Longerbeam {0x3a02, 0x04, 0, 0}, {0x3a03, 0x60, 0, 0}, {0x3a08, 0x01, 0, 0}, 51619a81c14SSteve Longerbeam {0x3a09, 0x50, 0, 0}, {0x3a0a, 0x01, 0, 0}, {0x3a0b, 0x18, 0, 0}, 51719a81c14SSteve Longerbeam {0x3a0e, 0x03, 0, 0}, {0x3a0d, 0x04, 0, 0}, {0x3a14, 0x04, 0, 0}, 5182b5c18f9SChen-Yu Tsai {0x3a15, 0x60, 0, 0}, {0x4407, 0x04, 0, 0}, 51919a81c14SSteve Longerbeam {0x460b, 0x37, 0, 0}, {0x460c, 0x20, 0, 0}, {0x3824, 0x04, 0, 0}, 5201da3afb5SMaxime Ripard {0x4005, 0x1a, 0, 0}, {0x3008, 0x02, 0, 0}, 52119a81c14SSteve Longerbeam }; 52219a81c14SSteve Longerbeam 523086c25f8SMaxime Ripard static const struct reg_value ov5640_setting_QSXGA_2592_1944[] = { 524c14d107eSMaxime Ripard {0x3c07, 0x08, 0, 0}, 52519a81c14SSteve Longerbeam {0x3c09, 0x1c, 0, 0}, {0x3c0a, 0x9c, 0, 0}, {0x3c0b, 0x40, 0, 0}, 526ce85705aSHugues Fruchet {0x3814, 0x11, 0, 0}, 52719a81c14SSteve Longerbeam {0x3815, 0x11, 0, 0}, {0x3800, 0x00, 0, 0}, {0x3801, 0x00, 0, 0}, 52819a81c14SSteve Longerbeam {0x3802, 0x00, 0, 0}, {0x3803, 0x00, 0, 0}, {0x3804, 0x0a, 0, 0}, 52919a81c14SSteve Longerbeam {0x3805, 0x3f, 0, 0}, {0x3806, 0x07, 0, 0}, {0x3807, 0x9f, 0, 0}, 530476dec01SMaxime Ripard {0x3810, 0x00, 0, 0}, 53119a81c14SSteve Longerbeam {0x3811, 0x10, 0, 0}, {0x3812, 0x00, 0, 0}, {0x3813, 0x04, 0, 0}, 53219a81c14SSteve Longerbeam {0x3618, 0x04, 0, 0}, {0x3612, 0x29, 0, 0}, {0x3708, 0x21, 0, 0}, 53319a81c14SSteve Longerbeam {0x3709, 0x12, 0, 0}, {0x370c, 0x00, 0, 0}, {0x3a02, 0x03, 0, 0}, 53419a81c14SSteve Longerbeam {0x3a03, 0xd8, 0, 0}, {0x3a08, 0x01, 0, 0}, {0x3a09, 0x27, 0, 0}, 53519a81c14SSteve Longerbeam {0x3a0a, 0x00, 0, 0}, {0x3a0b, 0xf6, 0, 0}, {0x3a0e, 0x03, 0, 0}, 53619a81c14SSteve Longerbeam {0x3a0d, 0x04, 0, 0}, {0x3a14, 0x03, 0, 0}, {0x3a15, 0xd8, 0, 0}, 5372b5c18f9SChen-Yu Tsai {0x4001, 0x02, 0, 0}, {0x4004, 0x06, 0, 0}, 53819a81c14SSteve Longerbeam {0x4407, 0x04, 0, 0}, {0x460b, 0x35, 0, 0}, {0x460c, 0x22, 0, 0}, 53919a81c14SSteve Longerbeam {0x3824, 0x02, 0, 0}, {0x5001, 0x83, 0, 70}, 54019a81c14SSteve Longerbeam }; 54119a81c14SSteve Longerbeam 54219a81c14SSteve Longerbeam /* power-on sensor init reg table */ 54319a81c14SSteve Longerbeam static const struct ov5640_mode_info ov5640_mode_init_data = { 544476dec01SMaxime Ripard 0, SUBSAMPLING, 640, 1896, 480, 984, 545476dec01SMaxime Ripard ov5640_init_setting_30fps_VGA, 54619a81c14SSteve Longerbeam ARRAY_SIZE(ov5640_init_setting_30fps_VGA), 54719a81c14SSteve Longerbeam }; 54819a81c14SSteve Longerbeam 54919a81c14SSteve Longerbeam static const struct ov5640_mode_info 550086c25f8SMaxime Ripard ov5640_mode_data[OV5640_NUM_MODES] = { 551476dec01SMaxime Ripard {OV5640_MODE_QCIF_176_144, SUBSAMPLING, 552476dec01SMaxime Ripard 176, 1896, 144, 984, 553086c25f8SMaxime Ripard ov5640_setting_QCIF_176_144, 554086c25f8SMaxime Ripard ARRAY_SIZE(ov5640_setting_QCIF_176_144)}, 555476dec01SMaxime Ripard {OV5640_MODE_QVGA_320_240, SUBSAMPLING, 556476dec01SMaxime Ripard 320, 1896, 240, 984, 557086c25f8SMaxime Ripard ov5640_setting_QVGA_320_240, 558086c25f8SMaxime Ripard ARRAY_SIZE(ov5640_setting_QVGA_320_240)}, 559476dec01SMaxime Ripard {OV5640_MODE_VGA_640_480, SUBSAMPLING, 560476dec01SMaxime Ripard 640, 1896, 480, 1080, 561086c25f8SMaxime Ripard ov5640_setting_VGA_640_480, 562086c25f8SMaxime Ripard ARRAY_SIZE(ov5640_setting_VGA_640_480)}, 563476dec01SMaxime Ripard {OV5640_MODE_NTSC_720_480, SUBSAMPLING, 564476dec01SMaxime Ripard 720, 1896, 480, 984, 565086c25f8SMaxime Ripard ov5640_setting_NTSC_720_480, 566086c25f8SMaxime Ripard ARRAY_SIZE(ov5640_setting_NTSC_720_480)}, 567476dec01SMaxime Ripard {OV5640_MODE_PAL_720_576, SUBSAMPLING, 568476dec01SMaxime Ripard 720, 1896, 576, 984, 569086c25f8SMaxime Ripard ov5640_setting_PAL_720_576, 570086c25f8SMaxime Ripard ARRAY_SIZE(ov5640_setting_PAL_720_576)}, 571476dec01SMaxime Ripard {OV5640_MODE_XGA_1024_768, SUBSAMPLING, 572476dec01SMaxime Ripard 1024, 1896, 768, 1080, 573086c25f8SMaxime Ripard ov5640_setting_XGA_1024_768, 574086c25f8SMaxime Ripard ARRAY_SIZE(ov5640_setting_XGA_1024_768)}, 575476dec01SMaxime Ripard {OV5640_MODE_720P_1280_720, SUBSAMPLING, 576476dec01SMaxime Ripard 1280, 1892, 720, 740, 577086c25f8SMaxime Ripard ov5640_setting_720P_1280_720, 578086c25f8SMaxime Ripard ARRAY_SIZE(ov5640_setting_720P_1280_720)}, 579476dec01SMaxime Ripard {OV5640_MODE_1080P_1920_1080, SCALING, 580476dec01SMaxime Ripard 1920, 2500, 1080, 1120, 581086c25f8SMaxime Ripard ov5640_setting_1080P_1920_1080, 582086c25f8SMaxime Ripard ARRAY_SIZE(ov5640_setting_1080P_1920_1080)}, 583476dec01SMaxime Ripard {OV5640_MODE_QSXGA_2592_1944, SCALING, 584476dec01SMaxime Ripard 2592, 2844, 1944, 1968, 585086c25f8SMaxime Ripard ov5640_setting_QSXGA_2592_1944, 586086c25f8SMaxime Ripard ARRAY_SIZE(ov5640_setting_QSXGA_2592_1944)}, 58719a81c14SSteve Longerbeam }; 58819a81c14SSteve Longerbeam 58919a81c14SSteve Longerbeam static int ov5640_init_slave_id(struct ov5640_dev *sensor) 59019a81c14SSteve Longerbeam { 59119a81c14SSteve Longerbeam struct i2c_client *client = sensor->i2c_client; 59219a81c14SSteve Longerbeam struct i2c_msg msg; 59319a81c14SSteve Longerbeam u8 buf[3]; 59419a81c14SSteve Longerbeam int ret; 59519a81c14SSteve Longerbeam 59619a81c14SSteve Longerbeam if (client->addr == OV5640_DEFAULT_SLAVE_ID) 59719a81c14SSteve Longerbeam return 0; 59819a81c14SSteve Longerbeam 59919a81c14SSteve Longerbeam buf[0] = OV5640_REG_SLAVE_ID >> 8; 60019a81c14SSteve Longerbeam buf[1] = OV5640_REG_SLAVE_ID & 0xff; 60119a81c14SSteve Longerbeam buf[2] = client->addr << 1; 60219a81c14SSteve Longerbeam 60319a81c14SSteve Longerbeam msg.addr = OV5640_DEFAULT_SLAVE_ID; 60419a81c14SSteve Longerbeam msg.flags = 0; 60519a81c14SSteve Longerbeam msg.buf = buf; 60619a81c14SSteve Longerbeam msg.len = sizeof(buf); 60719a81c14SSteve Longerbeam 60819a81c14SSteve Longerbeam ret = i2c_transfer(client->adapter, &msg, 1); 60919a81c14SSteve Longerbeam if (ret < 0) { 61019a81c14SSteve Longerbeam dev_err(&client->dev, "%s: failed with %d\n", __func__, ret); 61119a81c14SSteve Longerbeam return ret; 61219a81c14SSteve Longerbeam } 61319a81c14SSteve Longerbeam 61419a81c14SSteve Longerbeam return 0; 61519a81c14SSteve Longerbeam } 61619a81c14SSteve Longerbeam 61719a81c14SSteve Longerbeam static int ov5640_write_reg(struct ov5640_dev *sensor, u16 reg, u8 val) 61819a81c14SSteve Longerbeam { 61919a81c14SSteve Longerbeam struct i2c_client *client = sensor->i2c_client; 62019a81c14SSteve Longerbeam struct i2c_msg msg; 62119a81c14SSteve Longerbeam u8 buf[3]; 62219a81c14SSteve Longerbeam int ret; 62319a81c14SSteve Longerbeam 62419a81c14SSteve Longerbeam buf[0] = reg >> 8; 62519a81c14SSteve Longerbeam buf[1] = reg & 0xff; 62619a81c14SSteve Longerbeam buf[2] = val; 62719a81c14SSteve Longerbeam 62819a81c14SSteve Longerbeam msg.addr = client->addr; 62919a81c14SSteve Longerbeam msg.flags = client->flags; 63019a81c14SSteve Longerbeam msg.buf = buf; 63119a81c14SSteve Longerbeam msg.len = sizeof(buf); 63219a81c14SSteve Longerbeam 63319a81c14SSteve Longerbeam ret = i2c_transfer(client->adapter, &msg, 1); 63419a81c14SSteve Longerbeam if (ret < 0) { 6353924c623SHugues Fruchet dev_err(&client->dev, "%s: error: reg=%x, val=%x\n", 63619a81c14SSteve Longerbeam __func__, reg, val); 63719a81c14SSteve Longerbeam return ret; 63819a81c14SSteve Longerbeam } 63919a81c14SSteve Longerbeam 64019a81c14SSteve Longerbeam return 0; 64119a81c14SSteve Longerbeam } 64219a81c14SSteve Longerbeam 64319a81c14SSteve Longerbeam static int ov5640_read_reg(struct ov5640_dev *sensor, u16 reg, u8 *val) 64419a81c14SSteve Longerbeam { 64519a81c14SSteve Longerbeam struct i2c_client *client = sensor->i2c_client; 64619a81c14SSteve Longerbeam struct i2c_msg msg[2]; 64719a81c14SSteve Longerbeam u8 buf[2]; 64819a81c14SSteve Longerbeam int ret; 64919a81c14SSteve Longerbeam 65019a81c14SSteve Longerbeam buf[0] = reg >> 8; 65119a81c14SSteve Longerbeam buf[1] = reg & 0xff; 65219a81c14SSteve Longerbeam 65319a81c14SSteve Longerbeam msg[0].addr = client->addr; 65419a81c14SSteve Longerbeam msg[0].flags = client->flags; 65519a81c14SSteve Longerbeam msg[0].buf = buf; 65619a81c14SSteve Longerbeam msg[0].len = sizeof(buf); 65719a81c14SSteve Longerbeam 65819a81c14SSteve Longerbeam msg[1].addr = client->addr; 65919a81c14SSteve Longerbeam msg[1].flags = client->flags | I2C_M_RD; 66019a81c14SSteve Longerbeam msg[1].buf = buf; 66119a81c14SSteve Longerbeam msg[1].len = 1; 66219a81c14SSteve Longerbeam 66319a81c14SSteve Longerbeam ret = i2c_transfer(client->adapter, msg, 2); 6643924c623SHugues Fruchet if (ret < 0) { 6653924c623SHugues Fruchet dev_err(&client->dev, "%s: error: reg=%x\n", 6663924c623SHugues Fruchet __func__, reg); 66719a81c14SSteve Longerbeam return ret; 6683924c623SHugues Fruchet } 66919a81c14SSteve Longerbeam 67019a81c14SSteve Longerbeam *val = buf[0]; 67119a81c14SSteve Longerbeam return 0; 67219a81c14SSteve Longerbeam } 67319a81c14SSteve Longerbeam 67419a81c14SSteve Longerbeam static int ov5640_read_reg16(struct ov5640_dev *sensor, u16 reg, u16 *val) 67519a81c14SSteve Longerbeam { 67619a81c14SSteve Longerbeam u8 hi, lo; 67719a81c14SSteve Longerbeam int ret; 67819a81c14SSteve Longerbeam 67919a81c14SSteve Longerbeam ret = ov5640_read_reg(sensor, reg, &hi); 68019a81c14SSteve Longerbeam if (ret) 68119a81c14SSteve Longerbeam return ret; 68219a81c14SSteve Longerbeam ret = ov5640_read_reg(sensor, reg + 1, &lo); 68319a81c14SSteve Longerbeam if (ret) 68419a81c14SSteve Longerbeam return ret; 68519a81c14SSteve Longerbeam 68619a81c14SSteve Longerbeam *val = ((u16)hi << 8) | (u16)lo; 68719a81c14SSteve Longerbeam return 0; 68819a81c14SSteve Longerbeam } 68919a81c14SSteve Longerbeam 69019a81c14SSteve Longerbeam static int ov5640_write_reg16(struct ov5640_dev *sensor, u16 reg, u16 val) 69119a81c14SSteve Longerbeam { 69219a81c14SSteve Longerbeam int ret; 69319a81c14SSteve Longerbeam 69419a81c14SSteve Longerbeam ret = ov5640_write_reg(sensor, reg, val >> 8); 69519a81c14SSteve Longerbeam if (ret) 69619a81c14SSteve Longerbeam return ret; 69719a81c14SSteve Longerbeam 69819a81c14SSteve Longerbeam return ov5640_write_reg(sensor, reg + 1, val & 0xff); 69919a81c14SSteve Longerbeam } 70019a81c14SSteve Longerbeam 70119a81c14SSteve Longerbeam static int ov5640_mod_reg(struct ov5640_dev *sensor, u16 reg, 70219a81c14SSteve Longerbeam u8 mask, u8 val) 70319a81c14SSteve Longerbeam { 70419a81c14SSteve Longerbeam u8 readval; 70519a81c14SSteve Longerbeam int ret; 70619a81c14SSteve Longerbeam 70719a81c14SSteve Longerbeam ret = ov5640_read_reg(sensor, reg, &readval); 70819a81c14SSteve Longerbeam if (ret) 70919a81c14SSteve Longerbeam return ret; 71019a81c14SSteve Longerbeam 71119a81c14SSteve Longerbeam readval &= ~mask; 71219a81c14SSteve Longerbeam val &= mask; 71319a81c14SSteve Longerbeam val |= readval; 71419a81c14SSteve Longerbeam 71519a81c14SSteve Longerbeam return ov5640_write_reg(sensor, reg, val); 71619a81c14SSteve Longerbeam } 71719a81c14SSteve Longerbeam 718aa288248SMaxime Ripard /* 719aa288248SMaxime Ripard * After trying the various combinations, reading various 720f8a7647dSMauro Carvalho Chehab * documentations spread around the net, and from the various 721aa288248SMaxime Ripard * feedback, the clock tree is probably as follows: 722aa288248SMaxime Ripard * 723aa288248SMaxime Ripard * +--------------+ 724aa288248SMaxime Ripard * | Ext. Clock | 725aa288248SMaxime Ripard * +-+------------+ 726aa288248SMaxime Ripard * | +----------+ 727aa288248SMaxime Ripard * +->| PLL1 | - reg 0x3036, for the multiplier 728aa288248SMaxime Ripard * +-+--------+ - reg 0x3037, bits 0-3 for the pre-divider 729aa288248SMaxime Ripard * | +--------------+ 730aa288248SMaxime Ripard * +->| System Clock | - reg 0x3035, bits 4-7 731aa288248SMaxime Ripard * +-+------------+ 732aa288248SMaxime Ripard * | +--------------+ 733aa288248SMaxime Ripard * +->| MIPI Divider | - reg 0x3035, bits 0-3 734aa288248SMaxime Ripard * | +-+------------+ 735aa288248SMaxime Ripard * | +----------------> MIPI SCLK 736aa288248SMaxime Ripard * | + +-----+ 737aa288248SMaxime Ripard * | +->| / 2 |-------> MIPI BIT CLK 738aa288248SMaxime Ripard * | +-----+ 739aa288248SMaxime Ripard * | +--------------+ 740aa288248SMaxime Ripard * +->| PLL Root Div | - reg 0x3037, bit 4 741aa288248SMaxime Ripard * +-+------------+ 742aa288248SMaxime Ripard * | +---------+ 743aa288248SMaxime Ripard * +->| Bit Div | - reg 0x3035, bits 0-3 744aa288248SMaxime Ripard * +-+-------+ 745aa288248SMaxime Ripard * | +-------------+ 746aa288248SMaxime Ripard * +->| SCLK Div | - reg 0x3108, bits 0-1 747aa288248SMaxime Ripard * | +-+-----------+ 748aa288248SMaxime Ripard * | +---------------> SCLK 749aa288248SMaxime Ripard * | +-------------+ 750aa288248SMaxime Ripard * +->| SCLK 2X Div | - reg 0x3108, bits 2-3 751aa288248SMaxime Ripard * | +-+-----------+ 752aa288248SMaxime Ripard * | +---------------> SCLK 2X 753aa288248SMaxime Ripard * | +-------------+ 754aa288248SMaxime Ripard * +->| PCLK Div | - reg 0x3108, bits 4-5 755aa288248SMaxime Ripard * ++------------+ 756aa288248SMaxime Ripard * + +-----------+ 757aa288248SMaxime Ripard * +->| P_DIV | - reg 0x3035, bits 0-3 758aa288248SMaxime Ripard * +-----+-----+ 759aa288248SMaxime Ripard * +------------> PCLK 760aa288248SMaxime Ripard * 761aa288248SMaxime Ripard * This is deviating from the datasheet at least for the register 762aa288248SMaxime Ripard * 0x3108, since it's said here that the PCLK would be clocked from 763aa288248SMaxime Ripard * the PLL. 764aa288248SMaxime Ripard * 765aa288248SMaxime Ripard * There seems to be also (unverified) constraints: 766aa288248SMaxime Ripard * - the PLL pre-divider output rate should be in the 4-27MHz range 767aa288248SMaxime Ripard * - the PLL multiplier output rate should be in the 500-1000MHz range 768aa288248SMaxime Ripard * - PCLK >= SCLK * 2 in YUV, >= SCLK in Raw or JPEG 769aa288248SMaxime Ripard * 770aa288248SMaxime Ripard * In the two latter cases, these constraints are met since our 771aa288248SMaxime Ripard * factors are hardcoded. If we were to change that, we would need to 772aa288248SMaxime Ripard * take this into account. The only varying parts are the PLL 773aa288248SMaxime Ripard * multiplier and the system clock divider, which are shared between 774aa288248SMaxime Ripard * all these clocks so won't cause any issue. 775aa288248SMaxime Ripard */ 776aa288248SMaxime Ripard 777aa288248SMaxime Ripard /* 778aa288248SMaxime Ripard * This is supposed to be ranging from 1 to 8, but the value is always 779aa288248SMaxime Ripard * set to 3 in the vendor kernels. 780aa288248SMaxime Ripard */ 781aa288248SMaxime Ripard #define OV5640_PLL_PREDIV 3 782aa288248SMaxime Ripard 783aa288248SMaxime Ripard #define OV5640_PLL_MULT_MIN 4 784aa288248SMaxime Ripard #define OV5640_PLL_MULT_MAX 252 785aa288248SMaxime Ripard 786aa288248SMaxime Ripard /* 787aa288248SMaxime Ripard * This is supposed to be ranging from 1 to 16, but the value is 788aa288248SMaxime Ripard * always set to either 1 or 2 in the vendor kernels. 789aa288248SMaxime Ripard */ 790aa288248SMaxime Ripard #define OV5640_SYSDIV_MIN 1 791aa288248SMaxime Ripard #define OV5640_SYSDIV_MAX 16 792aa288248SMaxime Ripard 793aa288248SMaxime Ripard /* 794aa288248SMaxime Ripard * Hardcode these values for scaler and non-scaler modes. 795aa288248SMaxime Ripard * FIXME: to be re-calcualted for 1 data lanes setups 796aa288248SMaxime Ripard */ 797aa288248SMaxime Ripard #define OV5640_MIPI_DIV_PCLK 2 798aa288248SMaxime Ripard #define OV5640_MIPI_DIV_SCLK 1 799aa288248SMaxime Ripard 800aa288248SMaxime Ripard /* 801aa288248SMaxime Ripard * This is supposed to be ranging from 1 to 2, but the value is always 802aa288248SMaxime Ripard * set to 2 in the vendor kernels. 803aa288248SMaxime Ripard */ 804aa288248SMaxime Ripard #define OV5640_PLL_ROOT_DIV 2 805aa288248SMaxime Ripard #define OV5640_PLL_CTRL3_PLL_ROOT_DIV_2 BIT(4) 806aa288248SMaxime Ripard 807aa288248SMaxime Ripard /* 808aa288248SMaxime Ripard * We only supports 8-bit formats at the moment 809aa288248SMaxime Ripard */ 810aa288248SMaxime Ripard #define OV5640_BIT_DIV 2 811aa288248SMaxime Ripard #define OV5640_PLL_CTRL0_MIPI_MODE_8BIT 0x08 812aa288248SMaxime Ripard 813aa288248SMaxime Ripard /* 814aa288248SMaxime Ripard * This is supposed to be ranging from 1 to 8, but the value is always 815aa288248SMaxime Ripard * set to 2 in the vendor kernels. 816aa288248SMaxime Ripard */ 817aa288248SMaxime Ripard #define OV5640_SCLK_ROOT_DIV 2 818aa288248SMaxime Ripard 819aa288248SMaxime Ripard /* 820aa288248SMaxime Ripard * This is hardcoded so that the consistency is maintained between SCLK and 821aa288248SMaxime Ripard * SCLK 2x. 822aa288248SMaxime Ripard */ 823aa288248SMaxime Ripard #define OV5640_SCLK2X_ROOT_DIV (OV5640_SCLK_ROOT_DIV / 2) 824aa288248SMaxime Ripard 825aa288248SMaxime Ripard /* 826aa288248SMaxime Ripard * This is supposed to be ranging from 1 to 8, but the value is always 827aa288248SMaxime Ripard * set to 1 in the vendor kernels. 828aa288248SMaxime Ripard */ 829aa288248SMaxime Ripard #define OV5640_PCLK_ROOT_DIV 1 830aa288248SMaxime Ripard #define OV5640_PLL_SYS_ROOT_DIVIDER_BYPASS 0x00 831aa288248SMaxime Ripard 832aa288248SMaxime Ripard static unsigned long ov5640_compute_sys_clk(struct ov5640_dev *sensor, 833aa288248SMaxime Ripard u8 pll_prediv, u8 pll_mult, 834aa288248SMaxime Ripard u8 sysdiv) 835aa288248SMaxime Ripard { 836aa288248SMaxime Ripard unsigned long sysclk = sensor->xclk_freq / pll_prediv * pll_mult; 837aa288248SMaxime Ripard 838aa288248SMaxime Ripard /* PLL1 output cannot exceed 1GHz. */ 839aa288248SMaxime Ripard if (sysclk / 1000000 > 1000) 840aa288248SMaxime Ripard return 0; 841aa288248SMaxime Ripard 842aa288248SMaxime Ripard return sysclk / sysdiv; 843aa288248SMaxime Ripard } 844aa288248SMaxime Ripard 845aa288248SMaxime Ripard static unsigned long ov5640_calc_sys_clk(struct ov5640_dev *sensor, 846aa288248SMaxime Ripard unsigned long rate, 847aa288248SMaxime Ripard u8 *pll_prediv, u8 *pll_mult, 848aa288248SMaxime Ripard u8 *sysdiv) 849aa288248SMaxime Ripard { 850aa288248SMaxime Ripard unsigned long best = ~0; 851aa288248SMaxime Ripard u8 best_sysdiv = 1, best_mult = 1; 852aa288248SMaxime Ripard u8 _sysdiv, _pll_mult; 853aa288248SMaxime Ripard 854aa288248SMaxime Ripard for (_sysdiv = OV5640_SYSDIV_MIN; 855aa288248SMaxime Ripard _sysdiv <= OV5640_SYSDIV_MAX; 856aa288248SMaxime Ripard _sysdiv++) { 857aa288248SMaxime Ripard for (_pll_mult = OV5640_PLL_MULT_MIN; 858aa288248SMaxime Ripard _pll_mult <= OV5640_PLL_MULT_MAX; 859aa288248SMaxime Ripard _pll_mult++) { 860aa288248SMaxime Ripard unsigned long _rate; 861aa288248SMaxime Ripard 862aa288248SMaxime Ripard /* 863aa288248SMaxime Ripard * The PLL multiplier cannot be odd if above 864aa288248SMaxime Ripard * 127. 865aa288248SMaxime Ripard */ 866aa288248SMaxime Ripard if (_pll_mult > 127 && (_pll_mult % 2)) 867aa288248SMaxime Ripard continue; 868aa288248SMaxime Ripard 869aa288248SMaxime Ripard _rate = ov5640_compute_sys_clk(sensor, 870aa288248SMaxime Ripard OV5640_PLL_PREDIV, 871aa288248SMaxime Ripard _pll_mult, _sysdiv); 872aa288248SMaxime Ripard 873aa288248SMaxime Ripard /* 874aa288248SMaxime Ripard * We have reached the maximum allowed PLL1 output, 875aa288248SMaxime Ripard * increase sysdiv. 876aa288248SMaxime Ripard */ 877aa288248SMaxime Ripard if (!rate) 878aa288248SMaxime Ripard break; 879aa288248SMaxime Ripard 880aa288248SMaxime Ripard /* 881aa288248SMaxime Ripard * Prefer rates above the expected clock rate than 882aa288248SMaxime Ripard * below, even if that means being less precise. 883aa288248SMaxime Ripard */ 884aa288248SMaxime Ripard if (_rate < rate) 885aa288248SMaxime Ripard continue; 886aa288248SMaxime Ripard 887aa288248SMaxime Ripard if (abs(rate - _rate) < abs(rate - best)) { 888aa288248SMaxime Ripard best = _rate; 889aa288248SMaxime Ripard best_sysdiv = _sysdiv; 890aa288248SMaxime Ripard best_mult = _pll_mult; 891aa288248SMaxime Ripard } 892aa288248SMaxime Ripard 893aa288248SMaxime Ripard if (_rate == rate) 894aa288248SMaxime Ripard goto out; 895aa288248SMaxime Ripard } 896aa288248SMaxime Ripard } 897aa288248SMaxime Ripard 898aa288248SMaxime Ripard out: 899aa288248SMaxime Ripard *sysdiv = best_sysdiv; 900aa288248SMaxime Ripard *pll_prediv = OV5640_PLL_PREDIV; 901aa288248SMaxime Ripard *pll_mult = best_mult; 902aa288248SMaxime Ripard 903aa288248SMaxime Ripard return best; 904aa288248SMaxime Ripard } 905aa288248SMaxime Ripard 906aa288248SMaxime Ripard /* 907aa288248SMaxime Ripard * ov5640_set_mipi_pclk() - Calculate the clock tree configuration values 908aa288248SMaxime Ripard * for the MIPI CSI-2 output. 909aa288248SMaxime Ripard * 910aa288248SMaxime Ripard * @rate: The requested bandwidth per lane in bytes per second. 911aa288248SMaxime Ripard * 'Bandwidth Per Lane' is calculated as: 912aa288248SMaxime Ripard * bpl = HTOT * VTOT * FPS * bpp / num_lanes; 913aa288248SMaxime Ripard * 914aa288248SMaxime Ripard * This function use the requested bandwidth to calculate: 915aa288248SMaxime Ripard * - sample_rate = bpl / (bpp / num_lanes); 916aa288248SMaxime Ripard * = bpl / (PLL_RDIV * BIT_DIV * PCLK_DIV * MIPI_DIV / num_lanes); 917aa288248SMaxime Ripard * 918aa288248SMaxime Ripard * - mipi_sclk = bpl / MIPI_DIV / 2; ( / 2 is for CSI-2 DDR) 919aa288248SMaxime Ripard * 920aa288248SMaxime Ripard * with these fixed parameters: 921aa288248SMaxime Ripard * PLL_RDIV = 2; 922aa288248SMaxime Ripard * BIT_DIVIDER = 2; (MIPI_BIT_MODE == 8 ? 2 : 2,5); 923aa288248SMaxime Ripard * PCLK_DIV = 1; 924aa288248SMaxime Ripard * 925aa288248SMaxime Ripard * The MIPI clock generation differs for modes that use the scaler and modes 926aa288248SMaxime Ripard * that do not. In case the scaler is in use, the MIPI_SCLK generates the MIPI 927aa288248SMaxime Ripard * BIT CLk, and thus: 928aa288248SMaxime Ripard * 929aa288248SMaxime Ripard * - mipi_sclk = bpl / MIPI_DIV / 2; 930aa288248SMaxime Ripard * MIPI_DIV = 1; 931aa288248SMaxime Ripard * 932aa288248SMaxime Ripard * For modes that do not go through the scaler, the MIPI BIT CLOCK is generated 933aa288248SMaxime Ripard * from the pixel clock, and thus: 934aa288248SMaxime Ripard * 935aa288248SMaxime Ripard * - sample_rate = bpl / (bpp / num_lanes); 936aa288248SMaxime Ripard * = bpl / (2 * 2 * 1 * MIPI_DIV / num_lanes); 937aa288248SMaxime Ripard * = bpl / (4 * MIPI_DIV / num_lanes); 938aa288248SMaxime Ripard * - MIPI_DIV = bpp / (4 * num_lanes); 939aa288248SMaxime Ripard * 940aa288248SMaxime Ripard * FIXME: this have been tested with 16bpp and 2 lanes setup only. 941aa288248SMaxime Ripard * MIPI_DIV is fixed to value 2, but it -might- be changed according to the 942aa288248SMaxime Ripard * above formula for setups with 1 lane or image formats with different bpp. 943aa288248SMaxime Ripard * 944aa288248SMaxime Ripard * FIXME: this deviates from the sensor manual documentation which is quite 945aa288248SMaxime Ripard * thin on the MIPI clock tree generation part. 946aa288248SMaxime Ripard */ 947aa288248SMaxime Ripard static int ov5640_set_mipi_pclk(struct ov5640_dev *sensor, 948aa288248SMaxime Ripard unsigned long rate) 949aa288248SMaxime Ripard { 950aa288248SMaxime Ripard const struct ov5640_mode_info *mode = sensor->current_mode; 951aa288248SMaxime Ripard u8 prediv, mult, sysdiv; 952aa288248SMaxime Ripard u8 mipi_div; 953aa288248SMaxime Ripard int ret; 954aa288248SMaxime Ripard 955aa288248SMaxime Ripard /* 956aa288248SMaxime Ripard * 1280x720 is reported to use 'SUBSAMPLING' only, 957aa288248SMaxime Ripard * but according to the sensor manual it goes through the 958aa288248SMaxime Ripard * scaler before subsampling. 959aa288248SMaxime Ripard */ 960aa288248SMaxime Ripard if (mode->dn_mode == SCALING || 961aa288248SMaxime Ripard (mode->id == OV5640_MODE_720P_1280_720)) 962aa288248SMaxime Ripard mipi_div = OV5640_MIPI_DIV_SCLK; 963aa288248SMaxime Ripard else 964aa288248SMaxime Ripard mipi_div = OV5640_MIPI_DIV_PCLK; 965aa288248SMaxime Ripard 966aa288248SMaxime Ripard ov5640_calc_sys_clk(sensor, rate, &prediv, &mult, &sysdiv); 967aa288248SMaxime Ripard 968aa288248SMaxime Ripard ret = ov5640_mod_reg(sensor, OV5640_REG_SC_PLL_CTRL0, 969aa288248SMaxime Ripard 0x0f, OV5640_PLL_CTRL0_MIPI_MODE_8BIT); 970aa288248SMaxime Ripard 971aa288248SMaxime Ripard ret = ov5640_mod_reg(sensor, OV5640_REG_SC_PLL_CTRL1, 972aa288248SMaxime Ripard 0xff, sysdiv << 4 | mipi_div); 973aa288248SMaxime Ripard if (ret) 974aa288248SMaxime Ripard return ret; 975aa288248SMaxime Ripard 976aa288248SMaxime Ripard ret = ov5640_mod_reg(sensor, OV5640_REG_SC_PLL_CTRL2, 0xff, mult); 977aa288248SMaxime Ripard if (ret) 978aa288248SMaxime Ripard return ret; 979aa288248SMaxime Ripard 980aa288248SMaxime Ripard ret = ov5640_mod_reg(sensor, OV5640_REG_SC_PLL_CTRL3, 981aa288248SMaxime Ripard 0x1f, OV5640_PLL_CTRL3_PLL_ROOT_DIV_2 | prediv); 982aa288248SMaxime Ripard if (ret) 983aa288248SMaxime Ripard return ret; 984aa288248SMaxime Ripard 985aa288248SMaxime Ripard return ov5640_mod_reg(sensor, OV5640_REG_SYS_ROOT_DIVIDER, 986aa288248SMaxime Ripard 0x30, OV5640_PLL_SYS_ROOT_DIVIDER_BYPASS); 987aa288248SMaxime Ripard } 988aa288248SMaxime Ripard 989aa288248SMaxime Ripard static unsigned long ov5640_calc_pclk(struct ov5640_dev *sensor, 990aa288248SMaxime Ripard unsigned long rate, 991aa288248SMaxime Ripard u8 *pll_prediv, u8 *pll_mult, u8 *sysdiv, 992aa288248SMaxime Ripard u8 *pll_rdiv, u8 *bit_div, u8 *pclk_div) 993aa288248SMaxime Ripard { 994aa288248SMaxime Ripard unsigned long _rate = rate * OV5640_PLL_ROOT_DIV * OV5640_BIT_DIV * 995aa288248SMaxime Ripard OV5640_PCLK_ROOT_DIV; 996aa288248SMaxime Ripard 997aa288248SMaxime Ripard _rate = ov5640_calc_sys_clk(sensor, _rate, pll_prediv, pll_mult, 998aa288248SMaxime Ripard sysdiv); 999aa288248SMaxime Ripard *pll_rdiv = OV5640_PLL_ROOT_DIV; 1000aa288248SMaxime Ripard *bit_div = OV5640_BIT_DIV; 1001aa288248SMaxime Ripard *pclk_div = OV5640_PCLK_ROOT_DIV; 1002aa288248SMaxime Ripard 1003aa288248SMaxime Ripard return _rate / *pll_rdiv / *bit_div / *pclk_div; 1004aa288248SMaxime Ripard } 1005aa288248SMaxime Ripard 1006aa288248SMaxime Ripard static int ov5640_set_dvp_pclk(struct ov5640_dev *sensor, unsigned long rate) 1007aa288248SMaxime Ripard { 1008aa288248SMaxime Ripard u8 prediv, mult, sysdiv, pll_rdiv, bit_div, pclk_div; 1009aa288248SMaxime Ripard int ret; 1010aa288248SMaxime Ripard 1011aa288248SMaxime Ripard ov5640_calc_pclk(sensor, rate, &prediv, &mult, &sysdiv, &pll_rdiv, 1012aa288248SMaxime Ripard &bit_div, &pclk_div); 1013aa288248SMaxime Ripard 1014aa288248SMaxime Ripard if (bit_div == 2) 1015aa288248SMaxime Ripard bit_div = 8; 1016aa288248SMaxime Ripard 1017aa288248SMaxime Ripard ret = ov5640_mod_reg(sensor, OV5640_REG_SC_PLL_CTRL0, 1018aa288248SMaxime Ripard 0x0f, bit_div); 1019aa288248SMaxime Ripard if (ret) 1020aa288248SMaxime Ripard return ret; 1021aa288248SMaxime Ripard 1022aa288248SMaxime Ripard /* 1023aa288248SMaxime Ripard * We need to set sysdiv according to the clock, and to clear 1024aa288248SMaxime Ripard * the MIPI divider. 1025aa288248SMaxime Ripard */ 1026aa288248SMaxime Ripard ret = ov5640_mod_reg(sensor, OV5640_REG_SC_PLL_CTRL1, 1027aa288248SMaxime Ripard 0xff, sysdiv << 4); 1028aa288248SMaxime Ripard if (ret) 1029aa288248SMaxime Ripard return ret; 1030aa288248SMaxime Ripard 1031aa288248SMaxime Ripard ret = ov5640_mod_reg(sensor, OV5640_REG_SC_PLL_CTRL2, 1032aa288248SMaxime Ripard 0xff, mult); 1033aa288248SMaxime Ripard if (ret) 1034aa288248SMaxime Ripard return ret; 1035aa288248SMaxime Ripard 1036aa288248SMaxime Ripard ret = ov5640_mod_reg(sensor, OV5640_REG_SC_PLL_CTRL3, 1037aa288248SMaxime Ripard 0x1f, prediv | ((pll_rdiv - 1) << 4)); 1038aa288248SMaxime Ripard if (ret) 1039aa288248SMaxime Ripard return ret; 1040aa288248SMaxime Ripard 1041aa288248SMaxime Ripard return ov5640_mod_reg(sensor, OV5640_REG_SYS_ROOT_DIVIDER, 0x30, 1042aa288248SMaxime Ripard (ilog2(pclk_div) << 4)); 1043aa288248SMaxime Ripard } 1044aa288248SMaxime Ripard 10457cb013b1SChen-Yu Tsai /* set JPEG framing sizes */ 10467cb013b1SChen-Yu Tsai static int ov5640_set_jpeg_timings(struct ov5640_dev *sensor, 10477cb013b1SChen-Yu Tsai const struct ov5640_mode_info *mode) 10487cb013b1SChen-Yu Tsai { 10497cb013b1SChen-Yu Tsai int ret; 10507cb013b1SChen-Yu Tsai 10512b5c18f9SChen-Yu Tsai /* 10522b5c18f9SChen-Yu Tsai * compression mode 3 timing 10532b5c18f9SChen-Yu Tsai * 10542b5c18f9SChen-Yu Tsai * Data is transmitted with programmable width (VFIFO_HSIZE). 10552b5c18f9SChen-Yu Tsai * No padding done. Last line may have less data. Varying 10562b5c18f9SChen-Yu Tsai * number of lines per frame, depending on amount of data. 10572b5c18f9SChen-Yu Tsai */ 10582b5c18f9SChen-Yu Tsai ret = ov5640_mod_reg(sensor, OV5640_REG_JPG_MODE_SELECT, 0x7, 0x3); 10592b5c18f9SChen-Yu Tsai if (ret < 0) 10602b5c18f9SChen-Yu Tsai return ret; 10612b5c18f9SChen-Yu Tsai 10627cb013b1SChen-Yu Tsai ret = ov5640_write_reg16(sensor, OV5640_REG_VFIFO_HSIZE, mode->hact); 10637cb013b1SChen-Yu Tsai if (ret < 0) 10647cb013b1SChen-Yu Tsai return ret; 10657cb013b1SChen-Yu Tsai 10667cb013b1SChen-Yu Tsai return ov5640_write_reg16(sensor, OV5640_REG_VFIFO_VSIZE, mode->vact); 10677cb013b1SChen-Yu Tsai } 10687cb013b1SChen-Yu Tsai 106919a81c14SSteve Longerbeam /* download ov5640 settings to sensor through i2c */ 1070bad1774eSJacopo Mondi static int ov5640_set_timings(struct ov5640_dev *sensor, 1071bad1774eSJacopo Mondi const struct ov5640_mode_info *mode) 1072bad1774eSJacopo Mondi { 1073bad1774eSJacopo Mondi int ret; 1074bad1774eSJacopo Mondi 10757cb013b1SChen-Yu Tsai if (sensor->fmt.code == MEDIA_BUS_FMT_JPEG_1X8) { 10767cb013b1SChen-Yu Tsai ret = ov5640_set_jpeg_timings(sensor, mode); 10777cb013b1SChen-Yu Tsai if (ret < 0) 10787cb013b1SChen-Yu Tsai return ret; 10797cb013b1SChen-Yu Tsai } 10807cb013b1SChen-Yu Tsai 1081bad1774eSJacopo Mondi ret = ov5640_write_reg16(sensor, OV5640_REG_TIMING_DVPHO, mode->hact); 1082bad1774eSJacopo Mondi if (ret < 0) 1083bad1774eSJacopo Mondi return ret; 1084bad1774eSJacopo Mondi 1085bad1774eSJacopo Mondi ret = ov5640_write_reg16(sensor, OV5640_REG_TIMING_DVPVO, mode->vact); 1086bad1774eSJacopo Mondi if (ret < 0) 1087bad1774eSJacopo Mondi return ret; 1088bad1774eSJacopo Mondi 1089bad1774eSJacopo Mondi ret = ov5640_write_reg16(sensor, OV5640_REG_TIMING_HTS, mode->htot); 1090bad1774eSJacopo Mondi if (ret < 0) 1091bad1774eSJacopo Mondi return ret; 1092bad1774eSJacopo Mondi 1093bad1774eSJacopo Mondi return ov5640_write_reg16(sensor, OV5640_REG_TIMING_VTS, mode->vtot); 1094bad1774eSJacopo Mondi } 1095bad1774eSJacopo Mondi 109619a81c14SSteve Longerbeam static int ov5640_load_regs(struct ov5640_dev *sensor, 109719a81c14SSteve Longerbeam const struct ov5640_mode_info *mode) 109819a81c14SSteve Longerbeam { 109919a81c14SSteve Longerbeam const struct reg_value *regs = mode->reg_data; 110019a81c14SSteve Longerbeam unsigned int i; 110119a81c14SSteve Longerbeam u32 delay_ms; 110219a81c14SSteve Longerbeam u16 reg_addr; 110319a81c14SSteve Longerbeam u8 mask, val; 110419a81c14SSteve Longerbeam int ret = 0; 110519a81c14SSteve Longerbeam 110619a81c14SSteve Longerbeam for (i = 0; i < mode->reg_data_size; ++i, ++regs) { 110719a81c14SSteve Longerbeam delay_ms = regs->delay_ms; 110819a81c14SSteve Longerbeam reg_addr = regs->reg_addr; 110919a81c14SSteve Longerbeam val = regs->val; 111019a81c14SSteve Longerbeam mask = regs->mask; 111119a81c14SSteve Longerbeam 111219a81c14SSteve Longerbeam if (mask) 111319a81c14SSteve Longerbeam ret = ov5640_mod_reg(sensor, reg_addr, mask, val); 111419a81c14SSteve Longerbeam else 111519a81c14SSteve Longerbeam ret = ov5640_write_reg(sensor, reg_addr, val); 111619a81c14SSteve Longerbeam if (ret) 111719a81c14SSteve Longerbeam break; 111819a81c14SSteve Longerbeam 111919a81c14SSteve Longerbeam if (delay_ms) 112019a81c14SSteve Longerbeam usleep_range(1000 * delay_ms, 1000 * delay_ms + 100); 112119a81c14SSteve Longerbeam } 112219a81c14SSteve Longerbeam 1123bad1774eSJacopo Mondi return ov5640_set_timings(sensor, mode); 112419a81c14SSteve Longerbeam } 112519a81c14SSteve Longerbeam 1126dc29a1c1SHugues Fruchet static int ov5640_set_autoexposure(struct ov5640_dev *sensor, bool on) 1127dc29a1c1SHugues Fruchet { 1128dc29a1c1SHugues Fruchet return ov5640_mod_reg(sensor, OV5640_REG_AEC_PK_MANUAL, 1129dc29a1c1SHugues Fruchet BIT(0), on ? 0 : BIT(0)); 1130dc29a1c1SHugues Fruchet } 1131dc29a1c1SHugues Fruchet 113219a81c14SSteve Longerbeam /* read exposure, in number of line periods */ 113319a81c14SSteve Longerbeam static int ov5640_get_exposure(struct ov5640_dev *sensor) 113419a81c14SSteve Longerbeam { 113519a81c14SSteve Longerbeam int exp, ret; 113619a81c14SSteve Longerbeam u8 temp; 113719a81c14SSteve Longerbeam 113819a81c14SSteve Longerbeam ret = ov5640_read_reg(sensor, OV5640_REG_AEC_PK_EXPOSURE_HI, &temp); 113919a81c14SSteve Longerbeam if (ret) 114019a81c14SSteve Longerbeam return ret; 114119a81c14SSteve Longerbeam exp = ((int)temp & 0x0f) << 16; 114219a81c14SSteve Longerbeam ret = ov5640_read_reg(sensor, OV5640_REG_AEC_PK_EXPOSURE_MED, &temp); 114319a81c14SSteve Longerbeam if (ret) 114419a81c14SSteve Longerbeam return ret; 114519a81c14SSteve Longerbeam exp |= ((int)temp << 8); 114619a81c14SSteve Longerbeam ret = ov5640_read_reg(sensor, OV5640_REG_AEC_PK_EXPOSURE_LO, &temp); 114719a81c14SSteve Longerbeam if (ret) 114819a81c14SSteve Longerbeam return ret; 114919a81c14SSteve Longerbeam exp |= (int)temp; 115019a81c14SSteve Longerbeam 115119a81c14SSteve Longerbeam return exp >> 4; 115219a81c14SSteve Longerbeam } 115319a81c14SSteve Longerbeam 115419a81c14SSteve Longerbeam /* write exposure, given number of line periods */ 115519a81c14SSteve Longerbeam static int ov5640_set_exposure(struct ov5640_dev *sensor, u32 exposure) 115619a81c14SSteve Longerbeam { 115719a81c14SSteve Longerbeam int ret; 115819a81c14SSteve Longerbeam 115919a81c14SSteve Longerbeam exposure <<= 4; 116019a81c14SSteve Longerbeam 116119a81c14SSteve Longerbeam ret = ov5640_write_reg(sensor, 116219a81c14SSteve Longerbeam OV5640_REG_AEC_PK_EXPOSURE_LO, 116319a81c14SSteve Longerbeam exposure & 0xff); 116419a81c14SSteve Longerbeam if (ret) 116519a81c14SSteve Longerbeam return ret; 116619a81c14SSteve Longerbeam ret = ov5640_write_reg(sensor, 116719a81c14SSteve Longerbeam OV5640_REG_AEC_PK_EXPOSURE_MED, 116819a81c14SSteve Longerbeam (exposure >> 8) & 0xff); 116919a81c14SSteve Longerbeam if (ret) 117019a81c14SSteve Longerbeam return ret; 117119a81c14SSteve Longerbeam return ov5640_write_reg(sensor, 117219a81c14SSteve Longerbeam OV5640_REG_AEC_PK_EXPOSURE_HI, 117319a81c14SSteve Longerbeam (exposure >> 16) & 0x0f); 117419a81c14SSteve Longerbeam } 117519a81c14SSteve Longerbeam 117619a81c14SSteve Longerbeam static int ov5640_get_gain(struct ov5640_dev *sensor) 117719a81c14SSteve Longerbeam { 117819a81c14SSteve Longerbeam u16 gain; 117919a81c14SSteve Longerbeam int ret; 118019a81c14SSteve Longerbeam 118119a81c14SSteve Longerbeam ret = ov5640_read_reg16(sensor, OV5640_REG_AEC_PK_REAL_GAIN, &gain); 118219a81c14SSteve Longerbeam if (ret) 118319a81c14SSteve Longerbeam return ret; 118419a81c14SSteve Longerbeam 118519a81c14SSteve Longerbeam return gain & 0x3ff; 118619a81c14SSteve Longerbeam } 118719a81c14SSteve Longerbeam 11883cca8ef5SHugues Fruchet static int ov5640_set_gain(struct ov5640_dev *sensor, int gain) 11893cca8ef5SHugues Fruchet { 11903cca8ef5SHugues Fruchet return ov5640_write_reg16(sensor, OV5640_REG_AEC_PK_REAL_GAIN, 11913cca8ef5SHugues Fruchet (u16)gain & 0x3ff); 11923cca8ef5SHugues Fruchet } 11933cca8ef5SHugues Fruchet 11943cca8ef5SHugues Fruchet static int ov5640_set_autogain(struct ov5640_dev *sensor, bool on) 11953cca8ef5SHugues Fruchet { 11963cca8ef5SHugues Fruchet return ov5640_mod_reg(sensor, OV5640_REG_AEC_PK_MANUAL, 11973cca8ef5SHugues Fruchet BIT(1), on ? 0 : BIT(1)); 11983cca8ef5SHugues Fruchet } 11993cca8ef5SHugues Fruchet 1200f22996dbSHugues Fruchet static int ov5640_set_stream_dvp(struct ov5640_dev *sensor, bool on) 1201f22996dbSHugues Fruchet { 1202f22996dbSHugues Fruchet int ret; 1203f22996dbSHugues Fruchet unsigned int flags = sensor->ep.bus.parallel.flags; 1204f22996dbSHugues Fruchet u8 pclk_pol = 0; 1205f22996dbSHugues Fruchet u8 hsync_pol = 0; 1206f22996dbSHugues Fruchet u8 vsync_pol = 0; 1207f22996dbSHugues Fruchet 1208f22996dbSHugues Fruchet /* 1209f22996dbSHugues Fruchet * Note about parallel port configuration. 1210f22996dbSHugues Fruchet * 1211f22996dbSHugues Fruchet * When configured in parallel mode, the OV5640 will 1212f22996dbSHugues Fruchet * output 10 bits data on DVP data lines [9:0]. 1213f22996dbSHugues Fruchet * If only 8 bits data are wanted, the 8 bits data lines 1214f22996dbSHugues Fruchet * of the camera interface must be physically connected 1215f22996dbSHugues Fruchet * on the DVP data lines [9:2]. 1216f22996dbSHugues Fruchet * 1217f22996dbSHugues Fruchet * Control lines polarity can be configured through 1218f22996dbSHugues Fruchet * devicetree endpoint control lines properties. 1219f22996dbSHugues Fruchet * If no endpoint control lines properties are set, 1220f22996dbSHugues Fruchet * polarity will be as below: 1221f22996dbSHugues Fruchet * - VSYNC: active high 1222f22996dbSHugues Fruchet * - HREF: active low 1223f22996dbSHugues Fruchet * - PCLK: active low 1224f22996dbSHugues Fruchet */ 1225f22996dbSHugues Fruchet 1226f22996dbSHugues Fruchet if (on) { 1227f22996dbSHugues Fruchet /* 1228f22996dbSHugues Fruchet * configure parallel port control lines polarity 1229f22996dbSHugues Fruchet * 1230f22996dbSHugues Fruchet * POLARITY CTRL0 1231f22996dbSHugues Fruchet * - [5]: PCLK polarity (0: active low, 1: active high) 1232f22996dbSHugues Fruchet * - [1]: HREF polarity (0: active low, 1: active high) 1233f22996dbSHugues Fruchet * - [0]: VSYNC polarity (mismatch here between 1234f22996dbSHugues Fruchet * datasheet and hardware, 0 is active high 1235f22996dbSHugues Fruchet * and 1 is active low...) 1236f22996dbSHugues Fruchet */ 1237f22996dbSHugues Fruchet if (flags & V4L2_MBUS_PCLK_SAMPLE_RISING) 1238f22996dbSHugues Fruchet pclk_pol = 1; 1239f22996dbSHugues Fruchet if (flags & V4L2_MBUS_HSYNC_ACTIVE_HIGH) 1240f22996dbSHugues Fruchet hsync_pol = 1; 1241f22996dbSHugues Fruchet if (flags & V4L2_MBUS_VSYNC_ACTIVE_LOW) 1242f22996dbSHugues Fruchet vsync_pol = 1; 1243f22996dbSHugues Fruchet 1244f22996dbSHugues Fruchet ret = ov5640_write_reg(sensor, 1245f22996dbSHugues Fruchet OV5640_REG_POLARITY_CTRL00, 1246f22996dbSHugues Fruchet (pclk_pol << 5) | 1247f22996dbSHugues Fruchet (hsync_pol << 1) | 1248f22996dbSHugues Fruchet vsync_pol); 1249f22996dbSHugues Fruchet 1250f22996dbSHugues Fruchet if (ret) 1251f22996dbSHugues Fruchet return ret; 1252f22996dbSHugues Fruchet } 1253f22996dbSHugues Fruchet 1254f22996dbSHugues Fruchet /* 1255f22996dbSHugues Fruchet * powerdown MIPI TX/RX PHY & disable MIPI 1256f22996dbSHugues Fruchet * 1257f22996dbSHugues Fruchet * MIPI CONTROL 00 1258f22996dbSHugues Fruchet * 4: PWDN PHY TX 1259f22996dbSHugues Fruchet * 3: PWDN PHY RX 1260f22996dbSHugues Fruchet * 2: MIPI enable 1261f22996dbSHugues Fruchet */ 1262f22996dbSHugues Fruchet ret = ov5640_write_reg(sensor, 1263f22996dbSHugues Fruchet OV5640_REG_IO_MIPI_CTRL00, on ? 0x18 : 0); 1264f22996dbSHugues Fruchet if (ret) 1265f22996dbSHugues Fruchet return ret; 1266f22996dbSHugues Fruchet 1267f22996dbSHugues Fruchet /* 1268f22996dbSHugues Fruchet * enable VSYNC/HREF/PCLK DVP control lines 1269f22996dbSHugues Fruchet * & D[9:6] DVP data lines 1270f22996dbSHugues Fruchet * 1271f22996dbSHugues Fruchet * PAD OUTPUT ENABLE 01 1272f22996dbSHugues Fruchet * - 6: VSYNC output enable 1273f22996dbSHugues Fruchet * - 5: HREF output enable 1274f22996dbSHugues Fruchet * - 4: PCLK output enable 1275f22996dbSHugues Fruchet * - [3:0]: D[9:6] output enable 1276f22996dbSHugues Fruchet */ 1277f22996dbSHugues Fruchet ret = ov5640_write_reg(sensor, 1278f22996dbSHugues Fruchet OV5640_REG_PAD_OUTPUT_ENABLE01, 1279f22996dbSHugues Fruchet on ? 0x7f : 0); 1280f22996dbSHugues Fruchet if (ret) 1281f22996dbSHugues Fruchet return ret; 1282f22996dbSHugues Fruchet 1283f22996dbSHugues Fruchet /* 1284f22996dbSHugues Fruchet * enable D[5:0] DVP data lines 1285f22996dbSHugues Fruchet * 1286f22996dbSHugues Fruchet * PAD OUTPUT ENABLE 02 1287f22996dbSHugues Fruchet * - [7:2]: D[5:0] output enable 1288f22996dbSHugues Fruchet */ 1289f22996dbSHugues Fruchet return ov5640_write_reg(sensor, 1290f22996dbSHugues Fruchet OV5640_REG_PAD_OUTPUT_ENABLE02, 1291f22996dbSHugues Fruchet on ? 0xfc : 0); 1292f22996dbSHugues Fruchet } 1293f22996dbSHugues Fruchet 1294f22996dbSHugues Fruchet static int ov5640_set_stream_mipi(struct ov5640_dev *sensor, bool on) 129519a81c14SSteve Longerbeam { 129619a81c14SSteve Longerbeam int ret; 129719a81c14SSteve Longerbeam 1298aa4bb8b8SJacopo Mondi /* 1299aa4bb8b8SJacopo Mondi * Enable/disable the MIPI interface 1300aa4bb8b8SJacopo Mondi * 1301aa4bb8b8SJacopo Mondi * 0x300e = on ? 0x45 : 0x40 1302aa4bb8b8SJacopo Mondi * 1303aa4bb8b8SJacopo Mondi * FIXME: the sensor manual (version 2.03) reports 1304aa4bb8b8SJacopo Mondi * [7:5] = 000 : 1 data lane mode 1305aa4bb8b8SJacopo Mondi * [7:5] = 001 : 2 data lanes mode 1306aa4bb8b8SJacopo Mondi * But this settings do not work, while the following ones 1307aa4bb8b8SJacopo Mondi * have been validated for 2 data lanes mode. 1308aa4bb8b8SJacopo Mondi * 1309aa4bb8b8SJacopo Mondi * [7:5] = 010 : 2 data lanes mode 1310aa4bb8b8SJacopo Mondi * [4] = 0 : Power up MIPI HS Tx 1311aa4bb8b8SJacopo Mondi * [3] = 0 : Power up MIPI LS Rx 1312aa4bb8b8SJacopo Mondi * [2] = 1/0 : MIPI interface enable/disable 1313aa4bb8b8SJacopo Mondi * [1:0] = 01/00: FIXME: 'debug' 1314aa4bb8b8SJacopo Mondi */ 1315aa4bb8b8SJacopo Mondi ret = ov5640_write_reg(sensor, OV5640_REG_IO_MIPI_CTRL00, 1316aa4bb8b8SJacopo Mondi on ? 0x45 : 0x40); 131719a81c14SSteve Longerbeam if (ret) 131819a81c14SSteve Longerbeam return ret; 131919a81c14SSteve Longerbeam 132019a81c14SSteve Longerbeam return ov5640_write_reg(sensor, OV5640_REG_FRAME_CTRL01, 132119a81c14SSteve Longerbeam on ? 0x00 : 0x0f); 132219a81c14SSteve Longerbeam } 132319a81c14SSteve Longerbeam 132419a81c14SSteve Longerbeam static int ov5640_get_sysclk(struct ov5640_dev *sensor) 132519a81c14SSteve Longerbeam { 132619a81c14SSteve Longerbeam /* calculate sysclk */ 132719a81c14SSteve Longerbeam u32 xvclk = sensor->xclk_freq / 10000; 132819a81c14SSteve Longerbeam u32 multiplier, prediv, VCO, sysdiv, pll_rdiv; 132919a81c14SSteve Longerbeam u32 sclk_rdiv_map[] = {1, 2, 4, 8}; 133019a81c14SSteve Longerbeam u32 bit_div2x = 1, sclk_rdiv, sysclk; 133119a81c14SSteve Longerbeam u8 temp1, temp2; 133219a81c14SSteve Longerbeam int ret; 133319a81c14SSteve Longerbeam 133419a81c14SSteve Longerbeam ret = ov5640_read_reg(sensor, OV5640_REG_SC_PLL_CTRL0, &temp1); 133519a81c14SSteve Longerbeam if (ret) 133619a81c14SSteve Longerbeam return ret; 133719a81c14SSteve Longerbeam temp2 = temp1 & 0x0f; 133819a81c14SSteve Longerbeam if (temp2 == 8 || temp2 == 10) 133919a81c14SSteve Longerbeam bit_div2x = temp2 / 2; 134019a81c14SSteve Longerbeam 134119a81c14SSteve Longerbeam ret = ov5640_read_reg(sensor, OV5640_REG_SC_PLL_CTRL1, &temp1); 134219a81c14SSteve Longerbeam if (ret) 134319a81c14SSteve Longerbeam return ret; 134419a81c14SSteve Longerbeam sysdiv = temp1 >> 4; 134519a81c14SSteve Longerbeam if (sysdiv == 0) 134619a81c14SSteve Longerbeam sysdiv = 16; 134719a81c14SSteve Longerbeam 134819a81c14SSteve Longerbeam ret = ov5640_read_reg(sensor, OV5640_REG_SC_PLL_CTRL2, &temp1); 134919a81c14SSteve Longerbeam if (ret) 135019a81c14SSteve Longerbeam return ret; 135119a81c14SSteve Longerbeam multiplier = temp1; 135219a81c14SSteve Longerbeam 135319a81c14SSteve Longerbeam ret = ov5640_read_reg(sensor, OV5640_REG_SC_PLL_CTRL3, &temp1); 135419a81c14SSteve Longerbeam if (ret) 135519a81c14SSteve Longerbeam return ret; 135619a81c14SSteve Longerbeam prediv = temp1 & 0x0f; 135719a81c14SSteve Longerbeam pll_rdiv = ((temp1 >> 4) & 0x01) + 1; 135819a81c14SSteve Longerbeam 135919a81c14SSteve Longerbeam ret = ov5640_read_reg(sensor, OV5640_REG_SYS_ROOT_DIVIDER, &temp1); 136019a81c14SSteve Longerbeam if (ret) 136119a81c14SSteve Longerbeam return ret; 136219a81c14SSteve Longerbeam temp2 = temp1 & 0x03; 136319a81c14SSteve Longerbeam sclk_rdiv = sclk_rdiv_map[temp2]; 136419a81c14SSteve Longerbeam 136519a81c14SSteve Longerbeam if (!prediv || !sysdiv || !pll_rdiv || !bit_div2x) 136619a81c14SSteve Longerbeam return -EINVAL; 136719a81c14SSteve Longerbeam 136819a81c14SSteve Longerbeam VCO = xvclk * multiplier / prediv; 136919a81c14SSteve Longerbeam 137019a81c14SSteve Longerbeam sysclk = VCO / sysdiv / pll_rdiv * 2 / bit_div2x / sclk_rdiv; 137119a81c14SSteve Longerbeam 137219a81c14SSteve Longerbeam return sysclk; 137319a81c14SSteve Longerbeam } 137419a81c14SSteve Longerbeam 137519a81c14SSteve Longerbeam static int ov5640_set_night_mode(struct ov5640_dev *sensor) 137619a81c14SSteve Longerbeam { 137719a81c14SSteve Longerbeam /* read HTS from register settings */ 137819a81c14SSteve Longerbeam u8 mode; 137919a81c14SSteve Longerbeam int ret; 138019a81c14SSteve Longerbeam 138119a81c14SSteve Longerbeam ret = ov5640_read_reg(sensor, OV5640_REG_AEC_CTRL00, &mode); 138219a81c14SSteve Longerbeam if (ret) 138319a81c14SSteve Longerbeam return ret; 138419a81c14SSteve Longerbeam mode &= 0xfb; 138519a81c14SSteve Longerbeam return ov5640_write_reg(sensor, OV5640_REG_AEC_CTRL00, mode); 138619a81c14SSteve Longerbeam } 138719a81c14SSteve Longerbeam 138819a81c14SSteve Longerbeam static int ov5640_get_hts(struct ov5640_dev *sensor) 138919a81c14SSteve Longerbeam { 139019a81c14SSteve Longerbeam /* read HTS from register settings */ 139119a81c14SSteve Longerbeam u16 hts; 139219a81c14SSteve Longerbeam int ret; 139319a81c14SSteve Longerbeam 139419a81c14SSteve Longerbeam ret = ov5640_read_reg16(sensor, OV5640_REG_TIMING_HTS, &hts); 139519a81c14SSteve Longerbeam if (ret) 139619a81c14SSteve Longerbeam return ret; 139719a81c14SSteve Longerbeam return hts; 139819a81c14SSteve Longerbeam } 139919a81c14SSteve Longerbeam 140019a81c14SSteve Longerbeam static int ov5640_get_vts(struct ov5640_dev *sensor) 140119a81c14SSteve Longerbeam { 140219a81c14SSteve Longerbeam u16 vts; 140319a81c14SSteve Longerbeam int ret; 140419a81c14SSteve Longerbeam 140519a81c14SSteve Longerbeam ret = ov5640_read_reg16(sensor, OV5640_REG_TIMING_VTS, &vts); 140619a81c14SSteve Longerbeam if (ret) 140719a81c14SSteve Longerbeam return ret; 140819a81c14SSteve Longerbeam return vts; 140919a81c14SSteve Longerbeam } 141019a81c14SSteve Longerbeam 141119a81c14SSteve Longerbeam static int ov5640_set_vts(struct ov5640_dev *sensor, int vts) 141219a81c14SSteve Longerbeam { 141319a81c14SSteve Longerbeam return ov5640_write_reg16(sensor, OV5640_REG_TIMING_VTS, vts); 141419a81c14SSteve Longerbeam } 141519a81c14SSteve Longerbeam 141619a81c14SSteve Longerbeam static int ov5640_get_light_freq(struct ov5640_dev *sensor) 141719a81c14SSteve Longerbeam { 141819a81c14SSteve Longerbeam /* get banding filter value */ 141919a81c14SSteve Longerbeam int ret, light_freq = 0; 142019a81c14SSteve Longerbeam u8 temp, temp1; 142119a81c14SSteve Longerbeam 142219a81c14SSteve Longerbeam ret = ov5640_read_reg(sensor, OV5640_REG_HZ5060_CTRL01, &temp); 142319a81c14SSteve Longerbeam if (ret) 142419a81c14SSteve Longerbeam return ret; 142519a81c14SSteve Longerbeam 142619a81c14SSteve Longerbeam if (temp & 0x80) { 142719a81c14SSteve Longerbeam /* manual */ 142819a81c14SSteve Longerbeam ret = ov5640_read_reg(sensor, OV5640_REG_HZ5060_CTRL00, 142919a81c14SSteve Longerbeam &temp1); 143019a81c14SSteve Longerbeam if (ret) 143119a81c14SSteve Longerbeam return ret; 143219a81c14SSteve Longerbeam if (temp1 & 0x04) { 143319a81c14SSteve Longerbeam /* 50Hz */ 143419a81c14SSteve Longerbeam light_freq = 50; 143519a81c14SSteve Longerbeam } else { 143619a81c14SSteve Longerbeam /* 60Hz */ 143719a81c14SSteve Longerbeam light_freq = 60; 143819a81c14SSteve Longerbeam } 143919a81c14SSteve Longerbeam } else { 144019a81c14SSteve Longerbeam /* auto */ 144119a81c14SSteve Longerbeam ret = ov5640_read_reg(sensor, OV5640_REG_SIGMADELTA_CTRL0C, 144219a81c14SSteve Longerbeam &temp1); 144319a81c14SSteve Longerbeam if (ret) 144419a81c14SSteve Longerbeam return ret; 144519a81c14SSteve Longerbeam 144619a81c14SSteve Longerbeam if (temp1 & 0x01) { 144719a81c14SSteve Longerbeam /* 50Hz */ 144819a81c14SSteve Longerbeam light_freq = 50; 144919a81c14SSteve Longerbeam } else { 145019a81c14SSteve Longerbeam /* 60Hz */ 145119a81c14SSteve Longerbeam } 145219a81c14SSteve Longerbeam } 145319a81c14SSteve Longerbeam 145419a81c14SSteve Longerbeam return light_freq; 145519a81c14SSteve Longerbeam } 145619a81c14SSteve Longerbeam 145719a81c14SSteve Longerbeam static int ov5640_set_bandingfilter(struct ov5640_dev *sensor) 145819a81c14SSteve Longerbeam { 145919a81c14SSteve Longerbeam u32 band_step60, max_band60, band_step50, max_band50, prev_vts; 146019a81c14SSteve Longerbeam int ret; 146119a81c14SSteve Longerbeam 146219a81c14SSteve Longerbeam /* read preview PCLK */ 146319a81c14SSteve Longerbeam ret = ov5640_get_sysclk(sensor); 146419a81c14SSteve Longerbeam if (ret < 0) 146519a81c14SSteve Longerbeam return ret; 146619a81c14SSteve Longerbeam if (ret == 0) 146719a81c14SSteve Longerbeam return -EINVAL; 146819a81c14SSteve Longerbeam sensor->prev_sysclk = ret; 146919a81c14SSteve Longerbeam /* read preview HTS */ 147019a81c14SSteve Longerbeam ret = ov5640_get_hts(sensor); 147119a81c14SSteve Longerbeam if (ret < 0) 147219a81c14SSteve Longerbeam return ret; 147319a81c14SSteve Longerbeam if (ret == 0) 147419a81c14SSteve Longerbeam return -EINVAL; 147519a81c14SSteve Longerbeam sensor->prev_hts = ret; 147619a81c14SSteve Longerbeam 147719a81c14SSteve Longerbeam /* read preview VTS */ 147819a81c14SSteve Longerbeam ret = ov5640_get_vts(sensor); 147919a81c14SSteve Longerbeam if (ret < 0) 148019a81c14SSteve Longerbeam return ret; 148119a81c14SSteve Longerbeam prev_vts = ret; 148219a81c14SSteve Longerbeam 148319a81c14SSteve Longerbeam /* calculate banding filter */ 148419a81c14SSteve Longerbeam /* 60Hz */ 148519a81c14SSteve Longerbeam band_step60 = sensor->prev_sysclk * 100 / sensor->prev_hts * 100 / 120; 148619a81c14SSteve Longerbeam ret = ov5640_write_reg16(sensor, OV5640_REG_AEC_B60_STEP, band_step60); 148719a81c14SSteve Longerbeam if (ret) 148819a81c14SSteve Longerbeam return ret; 148919a81c14SSteve Longerbeam if (!band_step60) 149019a81c14SSteve Longerbeam return -EINVAL; 149119a81c14SSteve Longerbeam max_band60 = (int)((prev_vts - 4) / band_step60); 149219a81c14SSteve Longerbeam ret = ov5640_write_reg(sensor, OV5640_REG_AEC_CTRL0D, max_band60); 149319a81c14SSteve Longerbeam if (ret) 149419a81c14SSteve Longerbeam return ret; 149519a81c14SSteve Longerbeam 149619a81c14SSteve Longerbeam /* 50Hz */ 149719a81c14SSteve Longerbeam band_step50 = sensor->prev_sysclk * 100 / sensor->prev_hts; 149819a81c14SSteve Longerbeam ret = ov5640_write_reg16(sensor, OV5640_REG_AEC_B50_STEP, band_step50); 149919a81c14SSteve Longerbeam if (ret) 150019a81c14SSteve Longerbeam return ret; 150119a81c14SSteve Longerbeam if (!band_step50) 150219a81c14SSteve Longerbeam return -EINVAL; 150319a81c14SSteve Longerbeam max_band50 = (int)((prev_vts - 4) / band_step50); 150419a81c14SSteve Longerbeam return ov5640_write_reg(sensor, OV5640_REG_AEC_CTRL0E, max_band50); 150519a81c14SSteve Longerbeam } 150619a81c14SSteve Longerbeam 150719a81c14SSteve Longerbeam static int ov5640_set_ae_target(struct ov5640_dev *sensor, int target) 150819a81c14SSteve Longerbeam { 150919a81c14SSteve Longerbeam /* stable in high */ 151019a81c14SSteve Longerbeam u32 fast_high, fast_low; 151119a81c14SSteve Longerbeam int ret; 151219a81c14SSteve Longerbeam 151319a81c14SSteve Longerbeam sensor->ae_low = target * 23 / 25; /* 0.92 */ 151419a81c14SSteve Longerbeam sensor->ae_high = target * 27 / 25; /* 1.08 */ 151519a81c14SSteve Longerbeam 151619a81c14SSteve Longerbeam fast_high = sensor->ae_high << 1; 151719a81c14SSteve Longerbeam if (fast_high > 255) 151819a81c14SSteve Longerbeam fast_high = 255; 151919a81c14SSteve Longerbeam 152019a81c14SSteve Longerbeam fast_low = sensor->ae_low >> 1; 152119a81c14SSteve Longerbeam 152219a81c14SSteve Longerbeam ret = ov5640_write_reg(sensor, OV5640_REG_AEC_CTRL0F, sensor->ae_high); 152319a81c14SSteve Longerbeam if (ret) 152419a81c14SSteve Longerbeam return ret; 152519a81c14SSteve Longerbeam ret = ov5640_write_reg(sensor, OV5640_REG_AEC_CTRL10, sensor->ae_low); 152619a81c14SSteve Longerbeam if (ret) 152719a81c14SSteve Longerbeam return ret; 152819a81c14SSteve Longerbeam ret = ov5640_write_reg(sensor, OV5640_REG_AEC_CTRL1B, sensor->ae_high); 152919a81c14SSteve Longerbeam if (ret) 153019a81c14SSteve Longerbeam return ret; 153119a81c14SSteve Longerbeam ret = ov5640_write_reg(sensor, OV5640_REG_AEC_CTRL1E, sensor->ae_low); 153219a81c14SSteve Longerbeam if (ret) 153319a81c14SSteve Longerbeam return ret; 153419a81c14SSteve Longerbeam ret = ov5640_write_reg(sensor, OV5640_REG_AEC_CTRL11, fast_high); 153519a81c14SSteve Longerbeam if (ret) 153619a81c14SSteve Longerbeam return ret; 153719a81c14SSteve Longerbeam return ov5640_write_reg(sensor, OV5640_REG_AEC_CTRL1F, fast_low); 153819a81c14SSteve Longerbeam } 153919a81c14SSteve Longerbeam 1540c2c3f42dSHugues Fruchet static int ov5640_get_binning(struct ov5640_dev *sensor) 154119a81c14SSteve Longerbeam { 154219a81c14SSteve Longerbeam u8 temp; 154319a81c14SSteve Longerbeam int ret; 154419a81c14SSteve Longerbeam 154519a81c14SSteve Longerbeam ret = ov5640_read_reg(sensor, OV5640_REG_TIMING_TC_REG21, &temp); 154619a81c14SSteve Longerbeam if (ret) 154719a81c14SSteve Longerbeam return ret; 1548c2c3f42dSHugues Fruchet 1549c2c3f42dSHugues Fruchet return temp & BIT(0); 155019a81c14SSteve Longerbeam } 155119a81c14SSteve Longerbeam 1552ce85705aSHugues Fruchet static int ov5640_set_binning(struct ov5640_dev *sensor, bool enable) 1553ce85705aSHugues Fruchet { 1554ce85705aSHugues Fruchet int ret; 1555ce85705aSHugues Fruchet 1556ce85705aSHugues Fruchet /* 1557ce85705aSHugues Fruchet * TIMING TC REG21: 1558ce85705aSHugues Fruchet * - [0]: Horizontal binning enable 1559ce85705aSHugues Fruchet */ 1560ce85705aSHugues Fruchet ret = ov5640_mod_reg(sensor, OV5640_REG_TIMING_TC_REG21, 1561ce85705aSHugues Fruchet BIT(0), enable ? BIT(0) : 0); 1562ce85705aSHugues Fruchet if (ret) 1563ce85705aSHugues Fruchet return ret; 1564ce85705aSHugues Fruchet /* 1565ce85705aSHugues Fruchet * TIMING TC REG20: 1566ce85705aSHugues Fruchet * - [0]: Undocumented, but hardcoded init sequences 1567ce85705aSHugues Fruchet * are always setting REG21/REG20 bit 0 to same value... 1568ce85705aSHugues Fruchet */ 1569ce85705aSHugues Fruchet return ov5640_mod_reg(sensor, OV5640_REG_TIMING_TC_REG20, 1570ce85705aSHugues Fruchet BIT(0), enable ? BIT(0) : 0); 1571ce85705aSHugues Fruchet } 1572ce85705aSHugues Fruchet 157319a81c14SSteve Longerbeam static int ov5640_set_virtual_channel(struct ov5640_dev *sensor) 157419a81c14SSteve Longerbeam { 15758670d70aSHugues Fruchet struct i2c_client *client = sensor->i2c_client; 157619a81c14SSteve Longerbeam u8 temp, channel = virtual_channel; 157719a81c14SSteve Longerbeam int ret; 157819a81c14SSteve Longerbeam 15798670d70aSHugues Fruchet if (channel > 3) { 15808670d70aSHugues Fruchet dev_err(&client->dev, 15818670d70aSHugues Fruchet "%s: wrong virtual_channel parameter, expected (0..3), got %d\n", 15828670d70aSHugues Fruchet __func__, channel); 158319a81c14SSteve Longerbeam return -EINVAL; 15848670d70aSHugues Fruchet } 158519a81c14SSteve Longerbeam 158619a81c14SSteve Longerbeam ret = ov5640_read_reg(sensor, OV5640_REG_DEBUG_MODE, &temp); 158719a81c14SSteve Longerbeam if (ret) 158819a81c14SSteve Longerbeam return ret; 158919a81c14SSteve Longerbeam temp &= ~(3 << 6); 159019a81c14SSteve Longerbeam temp |= (channel << 6); 159119a81c14SSteve Longerbeam return ov5640_write_reg(sensor, OV5640_REG_DEBUG_MODE, temp); 159219a81c14SSteve Longerbeam } 159319a81c14SSteve Longerbeam 159419a81c14SSteve Longerbeam static const struct ov5640_mode_info * 159519a81c14SSteve Longerbeam ov5640_find_mode(struct ov5640_dev *sensor, enum ov5640_frame_rate fr, 159619a81c14SSteve Longerbeam int width, int height, bool nearest) 159719a81c14SSteve Longerbeam { 15983c4a7372SHugues Fruchet const struct ov5640_mode_info *mode; 159919a81c14SSteve Longerbeam 1600086c25f8SMaxime Ripard mode = v4l2_find_nearest_size(ov5640_mode_data, 1601086c25f8SMaxime Ripard ARRAY_SIZE(ov5640_mode_data), 16023c4a7372SHugues Fruchet hact, vact, 16033c4a7372SHugues Fruchet width, height); 160419a81c14SSteve Longerbeam 16053c4a7372SHugues Fruchet if (!mode || 16063c4a7372SHugues Fruchet (!nearest && (mode->hact != width || mode->vact != height))) 16073c4a7372SHugues Fruchet return NULL; 160819a81c14SSteve Longerbeam 1609e823fb16SMaxime Ripard /* Only 640x480 can operate at 60fps (for now) */ 1610e823fb16SMaxime Ripard if (fr == OV5640_60_FPS && 1611e823fb16SMaxime Ripard !(mode->hact == 640 && mode->vact == 480)) 1612e823fb16SMaxime Ripard return NULL; 1613e823fb16SMaxime Ripard 161419a81c14SSteve Longerbeam return mode; 161519a81c14SSteve Longerbeam } 161619a81c14SSteve Longerbeam 161719a81c14SSteve Longerbeam /* 161819a81c14SSteve Longerbeam * sensor changes between scaling and subsampling, go through 161919a81c14SSteve Longerbeam * exposure calculation 162019a81c14SSteve Longerbeam */ 162141d8d7f5SHugues Fruchet static int ov5640_set_mode_exposure_calc(struct ov5640_dev *sensor, 162241d8d7f5SHugues Fruchet const struct ov5640_mode_info *mode) 162319a81c14SSteve Longerbeam { 162419a81c14SSteve Longerbeam u32 prev_shutter, prev_gain16; 162519a81c14SSteve Longerbeam u32 cap_shutter, cap_gain16; 162619a81c14SSteve Longerbeam u32 cap_sysclk, cap_hts, cap_vts; 162719a81c14SSteve Longerbeam u32 light_freq, cap_bandfilt, cap_maxband; 162819a81c14SSteve Longerbeam u32 cap_gain16_shutter; 162919a81c14SSteve Longerbeam u8 average; 163019a81c14SSteve Longerbeam int ret; 163119a81c14SSteve Longerbeam 163241d8d7f5SHugues Fruchet if (!mode->reg_data) 163319a81c14SSteve Longerbeam return -EINVAL; 163419a81c14SSteve Longerbeam 163519a81c14SSteve Longerbeam /* read preview shutter */ 163619a81c14SSteve Longerbeam ret = ov5640_get_exposure(sensor); 163719a81c14SSteve Longerbeam if (ret < 0) 163819a81c14SSteve Longerbeam return ret; 163919a81c14SSteve Longerbeam prev_shutter = ret; 1640c2c3f42dSHugues Fruchet ret = ov5640_get_binning(sensor); 164119a81c14SSteve Longerbeam if (ret < 0) 164219a81c14SSteve Longerbeam return ret; 164319a81c14SSteve Longerbeam if (ret && mode->id != OV5640_MODE_720P_1280_720 && 164419a81c14SSteve Longerbeam mode->id != OV5640_MODE_1080P_1920_1080) 164519a81c14SSteve Longerbeam prev_shutter *= 2; 164619a81c14SSteve Longerbeam 164719a81c14SSteve Longerbeam /* read preview gain */ 164819a81c14SSteve Longerbeam ret = ov5640_get_gain(sensor); 164919a81c14SSteve Longerbeam if (ret < 0) 165019a81c14SSteve Longerbeam return ret; 165119a81c14SSteve Longerbeam prev_gain16 = ret; 165219a81c14SSteve Longerbeam 165319a81c14SSteve Longerbeam /* get average */ 165419a81c14SSteve Longerbeam ret = ov5640_read_reg(sensor, OV5640_REG_AVG_READOUT, &average); 165519a81c14SSteve Longerbeam if (ret) 165619a81c14SSteve Longerbeam return ret; 165719a81c14SSteve Longerbeam 165819a81c14SSteve Longerbeam /* turn off night mode for capture */ 165919a81c14SSteve Longerbeam ret = ov5640_set_night_mode(sensor); 166019a81c14SSteve Longerbeam if (ret < 0) 166119a81c14SSteve Longerbeam return ret; 166219a81c14SSteve Longerbeam 166319a81c14SSteve Longerbeam /* Write capture setting */ 166419a81c14SSteve Longerbeam ret = ov5640_load_regs(sensor, mode); 166519a81c14SSteve Longerbeam if (ret < 0) 166619a81c14SSteve Longerbeam return ret; 166719a81c14SSteve Longerbeam 166819a81c14SSteve Longerbeam /* read capture VTS */ 166919a81c14SSteve Longerbeam ret = ov5640_get_vts(sensor); 167019a81c14SSteve Longerbeam if (ret < 0) 167119a81c14SSteve Longerbeam return ret; 167219a81c14SSteve Longerbeam cap_vts = ret; 167319a81c14SSteve Longerbeam ret = ov5640_get_hts(sensor); 167419a81c14SSteve Longerbeam if (ret < 0) 167519a81c14SSteve Longerbeam return ret; 167619a81c14SSteve Longerbeam if (ret == 0) 167719a81c14SSteve Longerbeam return -EINVAL; 167819a81c14SSteve Longerbeam cap_hts = ret; 167919a81c14SSteve Longerbeam 168019a81c14SSteve Longerbeam ret = ov5640_get_sysclk(sensor); 168119a81c14SSteve Longerbeam if (ret < 0) 168219a81c14SSteve Longerbeam return ret; 168319a81c14SSteve Longerbeam if (ret == 0) 168419a81c14SSteve Longerbeam return -EINVAL; 168519a81c14SSteve Longerbeam cap_sysclk = ret; 168619a81c14SSteve Longerbeam 168719a81c14SSteve Longerbeam /* calculate capture banding filter */ 168819a81c14SSteve Longerbeam ret = ov5640_get_light_freq(sensor); 168919a81c14SSteve Longerbeam if (ret < 0) 169019a81c14SSteve Longerbeam return ret; 169119a81c14SSteve Longerbeam light_freq = ret; 169219a81c14SSteve Longerbeam 169319a81c14SSteve Longerbeam if (light_freq == 60) { 169419a81c14SSteve Longerbeam /* 60Hz */ 169519a81c14SSteve Longerbeam cap_bandfilt = cap_sysclk * 100 / cap_hts * 100 / 120; 169619a81c14SSteve Longerbeam } else { 169719a81c14SSteve Longerbeam /* 50Hz */ 169819a81c14SSteve Longerbeam cap_bandfilt = cap_sysclk * 100 / cap_hts; 169919a81c14SSteve Longerbeam } 170019a81c14SSteve Longerbeam 170119a81c14SSteve Longerbeam if (!sensor->prev_sysclk) { 170219a81c14SSteve Longerbeam ret = ov5640_get_sysclk(sensor); 170319a81c14SSteve Longerbeam if (ret < 0) 170419a81c14SSteve Longerbeam return ret; 170519a81c14SSteve Longerbeam if (ret == 0) 170619a81c14SSteve Longerbeam return -EINVAL; 170719a81c14SSteve Longerbeam sensor->prev_sysclk = ret; 170819a81c14SSteve Longerbeam } 170919a81c14SSteve Longerbeam 171019a81c14SSteve Longerbeam if (!cap_bandfilt) 171119a81c14SSteve Longerbeam return -EINVAL; 171219a81c14SSteve Longerbeam 171319a81c14SSteve Longerbeam cap_maxband = (int)((cap_vts - 4) / cap_bandfilt); 171419a81c14SSteve Longerbeam 171519a81c14SSteve Longerbeam /* calculate capture shutter/gain16 */ 171619a81c14SSteve Longerbeam if (average > sensor->ae_low && average < sensor->ae_high) { 171719a81c14SSteve Longerbeam /* in stable range */ 171819a81c14SSteve Longerbeam cap_gain16_shutter = 171919a81c14SSteve Longerbeam prev_gain16 * prev_shutter * 172019a81c14SSteve Longerbeam cap_sysclk / sensor->prev_sysclk * 172119a81c14SSteve Longerbeam sensor->prev_hts / cap_hts * 172219a81c14SSteve Longerbeam sensor->ae_target / average; 172319a81c14SSteve Longerbeam } else { 172419a81c14SSteve Longerbeam cap_gain16_shutter = 172519a81c14SSteve Longerbeam prev_gain16 * prev_shutter * 172619a81c14SSteve Longerbeam cap_sysclk / sensor->prev_sysclk * 172719a81c14SSteve Longerbeam sensor->prev_hts / cap_hts; 172819a81c14SSteve Longerbeam } 172919a81c14SSteve Longerbeam 173019a81c14SSteve Longerbeam /* gain to shutter */ 173119a81c14SSteve Longerbeam if (cap_gain16_shutter < (cap_bandfilt * 16)) { 173219a81c14SSteve Longerbeam /* shutter < 1/100 */ 173319a81c14SSteve Longerbeam cap_shutter = cap_gain16_shutter / 16; 173419a81c14SSteve Longerbeam if (cap_shutter < 1) 173519a81c14SSteve Longerbeam cap_shutter = 1; 173619a81c14SSteve Longerbeam 173719a81c14SSteve Longerbeam cap_gain16 = cap_gain16_shutter / cap_shutter; 173819a81c14SSteve Longerbeam if (cap_gain16 < 16) 173919a81c14SSteve Longerbeam cap_gain16 = 16; 174019a81c14SSteve Longerbeam } else { 174119a81c14SSteve Longerbeam if (cap_gain16_shutter > (cap_bandfilt * cap_maxband * 16)) { 174219a81c14SSteve Longerbeam /* exposure reach max */ 174319a81c14SSteve Longerbeam cap_shutter = cap_bandfilt * cap_maxband; 174419a81c14SSteve Longerbeam if (!cap_shutter) 174519a81c14SSteve Longerbeam return -EINVAL; 174619a81c14SSteve Longerbeam 174719a81c14SSteve Longerbeam cap_gain16 = cap_gain16_shutter / cap_shutter; 174819a81c14SSteve Longerbeam } else { 174919a81c14SSteve Longerbeam /* 1/100 < (cap_shutter = n/100) =< max */ 175019a81c14SSteve Longerbeam cap_shutter = 175119a81c14SSteve Longerbeam ((int)(cap_gain16_shutter / 16 / cap_bandfilt)) 175219a81c14SSteve Longerbeam * cap_bandfilt; 175319a81c14SSteve Longerbeam if (!cap_shutter) 175419a81c14SSteve Longerbeam return -EINVAL; 175519a81c14SSteve Longerbeam 175619a81c14SSteve Longerbeam cap_gain16 = cap_gain16_shutter / cap_shutter; 175719a81c14SSteve Longerbeam } 175819a81c14SSteve Longerbeam } 175919a81c14SSteve Longerbeam 176019a81c14SSteve Longerbeam /* set capture gain */ 17613cca8ef5SHugues Fruchet ret = ov5640_set_gain(sensor, cap_gain16); 176219a81c14SSteve Longerbeam if (ret) 176319a81c14SSteve Longerbeam return ret; 176419a81c14SSteve Longerbeam 176519a81c14SSteve Longerbeam /* write capture shutter */ 176619a81c14SSteve Longerbeam if (cap_shutter > (cap_vts - 4)) { 176719a81c14SSteve Longerbeam cap_vts = cap_shutter + 4; 176819a81c14SSteve Longerbeam ret = ov5640_set_vts(sensor, cap_vts); 176919a81c14SSteve Longerbeam if (ret < 0) 177019a81c14SSteve Longerbeam return ret; 177119a81c14SSteve Longerbeam } 177219a81c14SSteve Longerbeam 177319a81c14SSteve Longerbeam /* set exposure */ 17743cca8ef5SHugues Fruchet return ov5640_set_exposure(sensor, cap_shutter); 177519a81c14SSteve Longerbeam } 177619a81c14SSteve Longerbeam 177719a81c14SSteve Longerbeam /* 177819a81c14SSteve Longerbeam * if sensor changes inside scaling or subsampling 177919a81c14SSteve Longerbeam * change mode directly 178019a81c14SSteve Longerbeam */ 178119a81c14SSteve Longerbeam static int ov5640_set_mode_direct(struct ov5640_dev *sensor, 17823cca8ef5SHugues Fruchet const struct ov5640_mode_info *mode) 178319a81c14SSteve Longerbeam { 178441d8d7f5SHugues Fruchet if (!mode->reg_data) 178519a81c14SSteve Longerbeam return -EINVAL; 178619a81c14SSteve Longerbeam 178719a81c14SSteve Longerbeam /* Write capture setting */ 17883cca8ef5SHugues Fruchet return ov5640_load_regs(sensor, mode); 178919a81c14SSteve Longerbeam } 179019a81c14SSteve Longerbeam 1791985cdcb0SHugues Fruchet static int ov5640_set_mode(struct ov5640_dev *sensor) 179219a81c14SSteve Longerbeam { 179319a81c14SSteve Longerbeam const struct ov5640_mode_info *mode = sensor->current_mode; 1794985cdcb0SHugues Fruchet const struct ov5640_mode_info *orig_mode = sensor->last_mode; 179519a81c14SSteve Longerbeam enum ov5640_downsize_mode dn_mode, orig_dn_mode; 17963cca8ef5SHugues Fruchet bool auto_gain = sensor->ctrls.auto_gain->val == 1; 1797dc29a1c1SHugues Fruchet bool auto_exp = sensor->ctrls.auto_exp->val == V4L2_EXPOSURE_AUTO; 1798aa288248SMaxime Ripard unsigned long rate; 179919a81c14SSteve Longerbeam int ret; 180019a81c14SSteve Longerbeam 180119a81c14SSteve Longerbeam dn_mode = mode->dn_mode; 180219a81c14SSteve Longerbeam orig_dn_mode = orig_mode->dn_mode; 180319a81c14SSteve Longerbeam 180419a81c14SSteve Longerbeam /* auto gain and exposure must be turned off when changing modes */ 18053cca8ef5SHugues Fruchet if (auto_gain) { 18063cca8ef5SHugues Fruchet ret = ov5640_set_autogain(sensor, false); 180719a81c14SSteve Longerbeam if (ret) 180819a81c14SSteve Longerbeam return ret; 18093cca8ef5SHugues Fruchet } 1810bf4a4b51SMaxime Ripard 18113cca8ef5SHugues Fruchet if (auto_exp) { 1812dc29a1c1SHugues Fruchet ret = ov5640_set_autoexposure(sensor, false); 181319a81c14SSteve Longerbeam if (ret) 18143cca8ef5SHugues Fruchet goto restore_auto_gain; 18153cca8ef5SHugues Fruchet } 181619a81c14SSteve Longerbeam 1817aa288248SMaxime Ripard /* 1818aa288248SMaxime Ripard * All the formats we support have 16 bits per pixel, seems to require 1819aa288248SMaxime Ripard * the same rate than YUV, so we can just use 16 bpp all the time. 1820aa288248SMaxime Ripard */ 1821dfbfb7aaSMaxime Ripard rate = mode->vtot * mode->htot * 16; 1822dfbfb7aaSMaxime Ripard rate *= ov5640_framerates[sensor->current_fr]; 1823aa288248SMaxime Ripard if (sensor->ep.bus_type == V4L2_MBUS_CSI2_DPHY) { 1824aa288248SMaxime Ripard rate = rate / sensor->ep.bus.mipi_csi2.num_data_lanes; 1825aa288248SMaxime Ripard ret = ov5640_set_mipi_pclk(sensor, rate); 1826aa288248SMaxime Ripard } else { 1827aa288248SMaxime Ripard rate = rate / sensor->ep.bus.parallel.bus_width; 1828aa288248SMaxime Ripard ret = ov5640_set_dvp_pclk(sensor, rate); 1829aa288248SMaxime Ripard } 1830aa288248SMaxime Ripard 1831aa288248SMaxime Ripard if (ret < 0) 1832aa288248SMaxime Ripard return 0; 1833aa288248SMaxime Ripard 183419a81c14SSteve Longerbeam if ((dn_mode == SUBSAMPLING && orig_dn_mode == SCALING) || 183519a81c14SSteve Longerbeam (dn_mode == SCALING && orig_dn_mode == SUBSAMPLING)) { 183619a81c14SSteve Longerbeam /* 183719a81c14SSteve Longerbeam * change between subsampling and scaling 18383cca8ef5SHugues Fruchet * go through exposure calculation 183919a81c14SSteve Longerbeam */ 184019a81c14SSteve Longerbeam ret = ov5640_set_mode_exposure_calc(sensor, mode); 184119a81c14SSteve Longerbeam } else { 184219a81c14SSteve Longerbeam /* 184319a81c14SSteve Longerbeam * change inside subsampling or scaling 184419a81c14SSteve Longerbeam * download firmware directly 184519a81c14SSteve Longerbeam */ 18463cca8ef5SHugues Fruchet ret = ov5640_set_mode_direct(sensor, mode); 184719a81c14SSteve Longerbeam } 184819a81c14SSteve Longerbeam if (ret < 0) 18493cca8ef5SHugues Fruchet goto restore_auto_exp_gain; 18503cca8ef5SHugues Fruchet 18513cca8ef5SHugues Fruchet /* restore auto gain and exposure */ 18523cca8ef5SHugues Fruchet if (auto_gain) 18533cca8ef5SHugues Fruchet ov5640_set_autogain(sensor, true); 18543cca8ef5SHugues Fruchet if (auto_exp) 18553cca8ef5SHugues Fruchet ov5640_set_autoexposure(sensor, true); 185619a81c14SSteve Longerbeam 1857ce85705aSHugues Fruchet ret = ov5640_set_binning(sensor, dn_mode != SCALING); 1858ce85705aSHugues Fruchet if (ret < 0) 1859ce85705aSHugues Fruchet return ret; 186019a81c14SSteve Longerbeam ret = ov5640_set_ae_target(sensor, sensor->ae_target); 186119a81c14SSteve Longerbeam if (ret < 0) 186219a81c14SSteve Longerbeam return ret; 186319a81c14SSteve Longerbeam ret = ov5640_get_light_freq(sensor); 186419a81c14SSteve Longerbeam if (ret < 0) 186519a81c14SSteve Longerbeam return ret; 186619a81c14SSteve Longerbeam ret = ov5640_set_bandingfilter(sensor); 186719a81c14SSteve Longerbeam if (ret < 0) 186819a81c14SSteve Longerbeam return ret; 186919a81c14SSteve Longerbeam ret = ov5640_set_virtual_channel(sensor); 187019a81c14SSteve Longerbeam if (ret < 0) 187119a81c14SSteve Longerbeam return ret; 187219a81c14SSteve Longerbeam 187319a81c14SSteve Longerbeam sensor->pending_mode_change = false; 1874985cdcb0SHugues Fruchet sensor->last_mode = mode; 187519a81c14SSteve Longerbeam 187619a81c14SSteve Longerbeam return 0; 18773cca8ef5SHugues Fruchet 18783cca8ef5SHugues Fruchet restore_auto_exp_gain: 18793cca8ef5SHugues Fruchet if (auto_exp) 18803cca8ef5SHugues Fruchet ov5640_set_autoexposure(sensor, true); 18813cca8ef5SHugues Fruchet restore_auto_gain: 18823cca8ef5SHugues Fruchet if (auto_gain) 18833cca8ef5SHugues Fruchet ov5640_set_autogain(sensor, true); 18843cca8ef5SHugues Fruchet 18853cca8ef5SHugues Fruchet return ret; 188619a81c14SSteve Longerbeam } 188719a81c14SSteve Longerbeam 188819ad26f9SAkinobu Mita static int ov5640_set_framefmt(struct ov5640_dev *sensor, 188919ad26f9SAkinobu Mita struct v4l2_mbus_framefmt *format); 189019ad26f9SAkinobu Mita 189119a81c14SSteve Longerbeam /* restore the last set video mode after chip power-on */ 189219a81c14SSteve Longerbeam static int ov5640_restore_mode(struct ov5640_dev *sensor) 189319a81c14SSteve Longerbeam { 189419a81c14SSteve Longerbeam int ret; 189519a81c14SSteve Longerbeam 189619a81c14SSteve Longerbeam /* first load the initial register values */ 189719a81c14SSteve Longerbeam ret = ov5640_load_regs(sensor, &ov5640_mode_init_data); 189819a81c14SSteve Longerbeam if (ret < 0) 189919a81c14SSteve Longerbeam return ret; 1900985cdcb0SHugues Fruchet sensor->last_mode = &ov5640_mode_init_data; 190119a81c14SSteve Longerbeam 19028f57c2f8SMaxime Ripard ret = ov5640_mod_reg(sensor, OV5640_REG_SYS_ROOT_DIVIDER, 0x3f, 19037851fe7aSMaxime Ripard (ilog2(OV5640_SCLK2X_ROOT_DIV) << 2) | 19047851fe7aSMaxime Ripard ilog2(OV5640_SCLK_ROOT_DIV)); 19058f57c2f8SMaxime Ripard if (ret) 19068f57c2f8SMaxime Ripard return ret; 19078f57c2f8SMaxime Ripard 190819a81c14SSteve Longerbeam /* now restore the last capture mode */ 1909985cdcb0SHugues Fruchet ret = ov5640_set_mode(sensor); 191019ad26f9SAkinobu Mita if (ret < 0) 191119ad26f9SAkinobu Mita return ret; 191219ad26f9SAkinobu Mita 191319ad26f9SAkinobu Mita return ov5640_set_framefmt(sensor, &sensor->fmt); 191419a81c14SSteve Longerbeam } 191519a81c14SSteve Longerbeam 191619a81c14SSteve Longerbeam static void ov5640_power(struct ov5640_dev *sensor, bool enable) 191719a81c14SSteve Longerbeam { 19181fddc5daSHugues Fruchet gpiod_set_value_cansleep(sensor->pwdn_gpio, enable ? 0 : 1); 191919a81c14SSteve Longerbeam } 192019a81c14SSteve Longerbeam 192119a81c14SSteve Longerbeam static void ov5640_reset(struct ov5640_dev *sensor) 192219a81c14SSteve Longerbeam { 192319a81c14SSteve Longerbeam if (!sensor->reset_gpio) 192419a81c14SSteve Longerbeam return; 192519a81c14SSteve Longerbeam 19261fddc5daSHugues Fruchet gpiod_set_value_cansleep(sensor->reset_gpio, 0); 192719a81c14SSteve Longerbeam 192819a81c14SSteve Longerbeam /* camera power cycle */ 192919a81c14SSteve Longerbeam ov5640_power(sensor, false); 193019a81c14SSteve Longerbeam usleep_range(5000, 10000); 193119a81c14SSteve Longerbeam ov5640_power(sensor, true); 193219a81c14SSteve Longerbeam usleep_range(5000, 10000); 193319a81c14SSteve Longerbeam 19341fddc5daSHugues Fruchet gpiod_set_value_cansleep(sensor->reset_gpio, 1); 193519a81c14SSteve Longerbeam usleep_range(1000, 2000); 193619a81c14SSteve Longerbeam 19371fddc5daSHugues Fruchet gpiod_set_value_cansleep(sensor->reset_gpio, 0); 19381d4c41f3SLoic Poulain usleep_range(20000, 25000); 193919a81c14SSteve Longerbeam } 194019a81c14SSteve Longerbeam 19410f7acb52SHugues Fruchet static int ov5640_set_power_on(struct ov5640_dev *sensor) 194219a81c14SSteve Longerbeam { 19430f7acb52SHugues Fruchet struct i2c_client *client = sensor->i2c_client; 19440f7acb52SHugues Fruchet int ret; 194519a81c14SSteve Longerbeam 19460f7acb52SHugues Fruchet ret = clk_prepare_enable(sensor->xclk); 19470f7acb52SHugues Fruchet if (ret) { 19480f7acb52SHugues Fruchet dev_err(&client->dev, "%s: failed to enable clock\n", 19490f7acb52SHugues Fruchet __func__); 19500f7acb52SHugues Fruchet return ret; 19510f7acb52SHugues Fruchet } 195219a81c14SSteve Longerbeam 195319a81c14SSteve Longerbeam ret = regulator_bulk_enable(OV5640_NUM_SUPPLIES, 195419a81c14SSteve Longerbeam sensor->supplies); 19550f7acb52SHugues Fruchet if (ret) { 19560f7acb52SHugues Fruchet dev_err(&client->dev, "%s: failed to enable regulators\n", 19570f7acb52SHugues Fruchet __func__); 195819a81c14SSteve Longerbeam goto xclk_off; 19590f7acb52SHugues Fruchet } 196019a81c14SSteve Longerbeam 196119a81c14SSteve Longerbeam ov5640_reset(sensor); 196219a81c14SSteve Longerbeam ov5640_power(sensor, true); 196319a81c14SSteve Longerbeam 196419a81c14SSteve Longerbeam ret = ov5640_init_slave_id(sensor); 196519a81c14SSteve Longerbeam if (ret) 196619a81c14SSteve Longerbeam goto power_off; 196719a81c14SSteve Longerbeam 19680f7acb52SHugues Fruchet return 0; 19690f7acb52SHugues Fruchet 19700f7acb52SHugues Fruchet power_off: 19710f7acb52SHugues Fruchet ov5640_power(sensor, false); 19720f7acb52SHugues Fruchet regulator_bulk_disable(OV5640_NUM_SUPPLIES, sensor->supplies); 19730f7acb52SHugues Fruchet xclk_off: 19740f7acb52SHugues Fruchet clk_disable_unprepare(sensor->xclk); 19750f7acb52SHugues Fruchet return ret; 19760f7acb52SHugues Fruchet } 19770f7acb52SHugues Fruchet 19780f7acb52SHugues Fruchet static void ov5640_set_power_off(struct ov5640_dev *sensor) 19790f7acb52SHugues Fruchet { 19800f7acb52SHugues Fruchet ov5640_power(sensor, false); 19810f7acb52SHugues Fruchet regulator_bulk_disable(OV5640_NUM_SUPPLIES, sensor->supplies); 19820f7acb52SHugues Fruchet clk_disable_unprepare(sensor->xclk); 19830f7acb52SHugues Fruchet } 19840f7acb52SHugues Fruchet 19850f7acb52SHugues Fruchet static int ov5640_set_power(struct ov5640_dev *sensor, bool on) 19860f7acb52SHugues Fruchet { 19870f7acb52SHugues Fruchet int ret = 0; 19880f7acb52SHugues Fruchet 19890f7acb52SHugues Fruchet if (on) { 19900f7acb52SHugues Fruchet ret = ov5640_set_power_on(sensor); 19910f7acb52SHugues Fruchet if (ret) 19920f7acb52SHugues Fruchet return ret; 19930f7acb52SHugues Fruchet 199419a81c14SSteve Longerbeam ret = ov5640_restore_mode(sensor); 199519a81c14SSteve Longerbeam if (ret) 199619a81c14SSteve Longerbeam goto power_off; 199719a81c14SSteve Longerbeam 1998aa4bb8b8SJacopo Mondi /* We're done here for DVP bus, while CSI-2 needs setup. */ 19992d95e7edSSakari Ailus if (sensor->ep.bus_type != V4L2_MBUS_CSI2_DPHY) 2000aa4bb8b8SJacopo Mondi return 0; 2001aa4bb8b8SJacopo Mondi 200219a81c14SSteve Longerbeam /* 2003aa4bb8b8SJacopo Mondi * Power up MIPI HS Tx and LS Rx; 2 data lanes mode 2004aa4bb8b8SJacopo Mondi * 2005aa4bb8b8SJacopo Mondi * 0x300e = 0x40 2006aa4bb8b8SJacopo Mondi * [7:5] = 010 : 2 data lanes mode (see FIXME note in 2007aa4bb8b8SJacopo Mondi * "ov5640_set_stream_mipi()") 2008aa4bb8b8SJacopo Mondi * [4] = 0 : Power up MIPI HS Tx 2009aa4bb8b8SJacopo Mondi * [3] = 0 : Power up MIPI LS Rx 2010aa4bb8b8SJacopo Mondi * [2] = 0 : MIPI interface disabled 201119a81c14SSteve Longerbeam */ 2012aa4bb8b8SJacopo Mondi ret = ov5640_write_reg(sensor, 2013aa4bb8b8SJacopo Mondi OV5640_REG_IO_MIPI_CTRL00, 0x40); 201419a81c14SSteve Longerbeam if (ret) 201519a81c14SSteve Longerbeam goto power_off; 2016aa4bb8b8SJacopo Mondi 2017aa4bb8b8SJacopo Mondi /* 2018aa4bb8b8SJacopo Mondi * Gate clock and set LP11 in 'no packets mode' (idle) 2019aa4bb8b8SJacopo Mondi * 2020aa4bb8b8SJacopo Mondi * 0x4800 = 0x24 2021aa4bb8b8SJacopo Mondi * [5] = 1 : Gate clock when 'no packets' 2022aa4bb8b8SJacopo Mondi * [2] = 1 : MIPI bus in LP11 when 'no packets' 2023aa4bb8b8SJacopo Mondi */ 2024aa4bb8b8SJacopo Mondi ret = ov5640_write_reg(sensor, 2025aa4bb8b8SJacopo Mondi OV5640_REG_MIPI_CTRL00, 0x24); 202619a81c14SSteve Longerbeam if (ret) 202719a81c14SSteve Longerbeam goto power_off; 2028aa4bb8b8SJacopo Mondi 2029aa4bb8b8SJacopo Mondi /* 2030aa4bb8b8SJacopo Mondi * Set data lanes and clock in LP11 when 'sleeping' 2031aa4bb8b8SJacopo Mondi * 2032aa4bb8b8SJacopo Mondi * 0x3019 = 0x70 2033aa4bb8b8SJacopo Mondi * [6] = 1 : MIPI data lane 2 in LP11 when 'sleeping' 2034aa4bb8b8SJacopo Mondi * [5] = 1 : MIPI data lane 1 in LP11 when 'sleeping' 2035aa4bb8b8SJacopo Mondi * [4] = 1 : MIPI clock lane in LP11 when 'sleeping' 2036aa4bb8b8SJacopo Mondi */ 2037aa4bb8b8SJacopo Mondi ret = ov5640_write_reg(sensor, 2038aa4bb8b8SJacopo Mondi OV5640_REG_PAD_OUTPUT00, 0x70); 2039aa4bb8b8SJacopo Mondi if (ret) 2040aa4bb8b8SJacopo Mondi goto power_off; 2041aa4bb8b8SJacopo Mondi 2042aa4bb8b8SJacopo Mondi /* Give lanes some time to coax into LP11 state. */ 2043aa4bb8b8SJacopo Mondi usleep_range(500, 1000); 2044aa4bb8b8SJacopo Mondi 2045aa4bb8b8SJacopo Mondi } else { 20462d95e7edSSakari Ailus if (sensor->ep.bus_type == V4L2_MBUS_CSI2_DPHY) { 2047aa4bb8b8SJacopo Mondi /* Reset MIPI bus settings to their default values. */ 2048aa4bb8b8SJacopo Mondi ov5640_write_reg(sensor, 2049aa4bb8b8SJacopo Mondi OV5640_REG_IO_MIPI_CTRL00, 0x58); 2050aa4bb8b8SJacopo Mondi ov5640_write_reg(sensor, 2051aa4bb8b8SJacopo Mondi OV5640_REG_MIPI_CTRL00, 0x04); 2052aa4bb8b8SJacopo Mondi ov5640_write_reg(sensor, 2053aa4bb8b8SJacopo Mondi OV5640_REG_PAD_OUTPUT00, 0x00); 2054aa4bb8b8SJacopo Mondi } 2055aa4bb8b8SJacopo Mondi 2056aa4bb8b8SJacopo Mondi ov5640_set_power_off(sensor); 2057f22996dbSHugues Fruchet } 205819a81c14SSteve Longerbeam 205919a81c14SSteve Longerbeam return 0; 206019a81c14SSteve Longerbeam 206119a81c14SSteve Longerbeam power_off: 20620f7acb52SHugues Fruchet ov5640_set_power_off(sensor); 206319a81c14SSteve Longerbeam return ret; 206419a81c14SSteve Longerbeam } 206519a81c14SSteve Longerbeam 206619a81c14SSteve Longerbeam /* --------------- Subdev Operations --------------- */ 206719a81c14SSteve Longerbeam 206819a81c14SSteve Longerbeam static int ov5640_s_power(struct v4l2_subdev *sd, int on) 206919a81c14SSteve Longerbeam { 207019a81c14SSteve Longerbeam struct ov5640_dev *sensor = to_ov5640_dev(sd); 207119a81c14SSteve Longerbeam int ret = 0; 207219a81c14SSteve Longerbeam 207319a81c14SSteve Longerbeam mutex_lock(&sensor->lock); 207419a81c14SSteve Longerbeam 207519a81c14SSteve Longerbeam /* 207619a81c14SSteve Longerbeam * If the power count is modified from 0 to != 0 or from != 0 to 0, 207719a81c14SSteve Longerbeam * update the power state. 207819a81c14SSteve Longerbeam */ 207919a81c14SSteve Longerbeam if (sensor->power_count == !on) { 208019a81c14SSteve Longerbeam ret = ov5640_set_power(sensor, !!on); 208119a81c14SSteve Longerbeam if (ret) 208219a81c14SSteve Longerbeam goto out; 208319a81c14SSteve Longerbeam } 208419a81c14SSteve Longerbeam 208519a81c14SSteve Longerbeam /* Update the power count. */ 208619a81c14SSteve Longerbeam sensor->power_count += on ? 1 : -1; 208719a81c14SSteve Longerbeam WARN_ON(sensor->power_count < 0); 208819a81c14SSteve Longerbeam out: 208919a81c14SSteve Longerbeam mutex_unlock(&sensor->lock); 209019a81c14SSteve Longerbeam 209119a81c14SSteve Longerbeam if (on && !ret && sensor->power_count == 1) { 209219a81c14SSteve Longerbeam /* restore controls */ 209319a81c14SSteve Longerbeam ret = v4l2_ctrl_handler_setup(&sensor->ctrls.handler); 209419a81c14SSteve Longerbeam } 209519a81c14SSteve Longerbeam 209619a81c14SSteve Longerbeam return ret; 209719a81c14SSteve Longerbeam } 209819a81c14SSteve Longerbeam 209919a81c14SSteve Longerbeam static int ov5640_try_frame_interval(struct ov5640_dev *sensor, 210019a81c14SSteve Longerbeam struct v4l2_fract *fi, 210119a81c14SSteve Longerbeam u32 width, u32 height) 210219a81c14SSteve Longerbeam { 210319a81c14SSteve Longerbeam const struct ov5640_mode_info *mode; 21046530a5ebSJagan Teki enum ov5640_frame_rate rate = OV5640_15_FPS; 2105f6cc192fSMaxime Ripard int minfps, maxfps, best_fps, fps; 2106f6cc192fSMaxime Ripard int i; 210719a81c14SSteve Longerbeam 210819a81c14SSteve Longerbeam minfps = ov5640_framerates[OV5640_15_FPS]; 2109e823fb16SMaxime Ripard maxfps = ov5640_framerates[OV5640_60_FPS]; 211019a81c14SSteve Longerbeam 211119a81c14SSteve Longerbeam if (fi->numerator == 0) { 211219a81c14SSteve Longerbeam fi->denominator = maxfps; 211319a81c14SSteve Longerbeam fi->numerator = 1; 2114e823fb16SMaxime Ripard rate = OV5640_60_FPS; 2115e823fb16SMaxime Ripard goto find_mode; 211619a81c14SSteve Longerbeam } 211719a81c14SSteve Longerbeam 2118f6cc192fSMaxime Ripard fps = clamp_val(DIV_ROUND_CLOSEST(fi->denominator, fi->numerator), 2119f6cc192fSMaxime Ripard minfps, maxfps); 2120f6cc192fSMaxime Ripard 2121f6cc192fSMaxime Ripard best_fps = minfps; 2122f6cc192fSMaxime Ripard for (i = 0; i < ARRAY_SIZE(ov5640_framerates); i++) { 2123f6cc192fSMaxime Ripard int curr_fps = ov5640_framerates[i]; 2124f6cc192fSMaxime Ripard 2125f6cc192fSMaxime Ripard if (abs(curr_fps - fps) < abs(best_fps - fps)) { 2126f6cc192fSMaxime Ripard best_fps = curr_fps; 2127f6cc192fSMaxime Ripard rate = i; 2128f6cc192fSMaxime Ripard } 2129f6cc192fSMaxime Ripard } 213019a81c14SSteve Longerbeam 213119a81c14SSteve Longerbeam fi->numerator = 1; 2132f6cc192fSMaxime Ripard fi->denominator = best_fps; 213319a81c14SSteve Longerbeam 2134e823fb16SMaxime Ripard find_mode: 21355a3ad937SMaxime Ripard mode = ov5640_find_mode(sensor, rate, width, height, false); 21365a3ad937SMaxime Ripard return mode ? rate : -EINVAL; 213719a81c14SSteve Longerbeam } 213819a81c14SSteve Longerbeam 213919a81c14SSteve Longerbeam static int ov5640_get_fmt(struct v4l2_subdev *sd, 214019a81c14SSteve Longerbeam struct v4l2_subdev_pad_config *cfg, 214119a81c14SSteve Longerbeam struct v4l2_subdev_format *format) 214219a81c14SSteve Longerbeam { 214319a81c14SSteve Longerbeam struct ov5640_dev *sensor = to_ov5640_dev(sd); 214419a81c14SSteve Longerbeam struct v4l2_mbus_framefmt *fmt; 214519a81c14SSteve Longerbeam 214619a81c14SSteve Longerbeam if (format->pad != 0) 214719a81c14SSteve Longerbeam return -EINVAL; 214819a81c14SSteve Longerbeam 214919a81c14SSteve Longerbeam mutex_lock(&sensor->lock); 215019a81c14SSteve Longerbeam 215119a81c14SSteve Longerbeam if (format->which == V4L2_SUBDEV_FORMAT_TRY) 215219a81c14SSteve Longerbeam fmt = v4l2_subdev_get_try_format(&sensor->sd, cfg, 215319a81c14SSteve Longerbeam format->pad); 215419a81c14SSteve Longerbeam else 215519a81c14SSteve Longerbeam fmt = &sensor->fmt; 215619a81c14SSteve Longerbeam 215719a81c14SSteve Longerbeam format->format = *fmt; 215819a81c14SSteve Longerbeam 215919a81c14SSteve Longerbeam mutex_unlock(&sensor->lock); 216019a81c14SSteve Longerbeam 216119a81c14SSteve Longerbeam return 0; 216219a81c14SSteve Longerbeam } 216319a81c14SSteve Longerbeam 216419a81c14SSteve Longerbeam static int ov5640_try_fmt_internal(struct v4l2_subdev *sd, 216519a81c14SSteve Longerbeam struct v4l2_mbus_framefmt *fmt, 216619a81c14SSteve Longerbeam enum ov5640_frame_rate fr, 216719a81c14SSteve Longerbeam const struct ov5640_mode_info **new_mode) 216819a81c14SSteve Longerbeam { 216919a81c14SSteve Longerbeam struct ov5640_dev *sensor = to_ov5640_dev(sd); 217019a81c14SSteve Longerbeam const struct ov5640_mode_info *mode; 2171e3ee691dSHugues Fruchet int i; 217219a81c14SSteve Longerbeam 217319a81c14SSteve Longerbeam mode = ov5640_find_mode(sensor, fr, fmt->width, fmt->height, true); 217419a81c14SSteve Longerbeam if (!mode) 217519a81c14SSteve Longerbeam return -EINVAL; 2176dba13a0bSMaxime Ripard fmt->width = mode->hact; 2177dba13a0bSMaxime Ripard fmt->height = mode->vact; 217819a81c14SSteve Longerbeam 217919a81c14SSteve Longerbeam if (new_mode) 218019a81c14SSteve Longerbeam *new_mode = mode; 2181e3ee691dSHugues Fruchet 2182e3ee691dSHugues Fruchet for (i = 0; i < ARRAY_SIZE(ov5640_formats); i++) 2183e3ee691dSHugues Fruchet if (ov5640_formats[i].code == fmt->code) 2184e3ee691dSHugues Fruchet break; 2185e3ee691dSHugues Fruchet if (i >= ARRAY_SIZE(ov5640_formats)) 2186e6441fdeSHugues Fruchet i = 0; 2187e6441fdeSHugues Fruchet 2188e6441fdeSHugues Fruchet fmt->code = ov5640_formats[i].code; 2189e6441fdeSHugues Fruchet fmt->colorspace = ov5640_formats[i].colorspace; 2190e6441fdeSHugues Fruchet fmt->ycbcr_enc = V4L2_MAP_YCBCR_ENC_DEFAULT(fmt->colorspace); 2191e6441fdeSHugues Fruchet fmt->quantization = V4L2_QUANTIZATION_FULL_RANGE; 2192e6441fdeSHugues Fruchet fmt->xfer_func = V4L2_MAP_XFER_FUNC_DEFAULT(fmt->colorspace); 2193e3ee691dSHugues Fruchet 219419a81c14SSteve Longerbeam return 0; 219519a81c14SSteve Longerbeam } 219619a81c14SSteve Longerbeam 219719a81c14SSteve Longerbeam static int ov5640_set_fmt(struct v4l2_subdev *sd, 219819a81c14SSteve Longerbeam struct v4l2_subdev_pad_config *cfg, 219919a81c14SSteve Longerbeam struct v4l2_subdev_format *format) 220019a81c14SSteve Longerbeam { 220119a81c14SSteve Longerbeam struct ov5640_dev *sensor = to_ov5640_dev(sd); 220219a81c14SSteve Longerbeam const struct ov5640_mode_info *new_mode; 2203e6441fdeSHugues Fruchet struct v4l2_mbus_framefmt *mbus_fmt = &format->format; 220407115449SJacopo Mondi struct v4l2_mbus_framefmt *fmt; 220519a81c14SSteve Longerbeam int ret; 220619a81c14SSteve Longerbeam 220719a81c14SSteve Longerbeam if (format->pad != 0) 220819a81c14SSteve Longerbeam return -EINVAL; 220919a81c14SSteve Longerbeam 221019a81c14SSteve Longerbeam mutex_lock(&sensor->lock); 221119a81c14SSteve Longerbeam 221219a81c14SSteve Longerbeam if (sensor->streaming) { 221319a81c14SSteve Longerbeam ret = -EBUSY; 221419a81c14SSteve Longerbeam goto out; 221519a81c14SSteve Longerbeam } 221619a81c14SSteve Longerbeam 2217e6441fdeSHugues Fruchet ret = ov5640_try_fmt_internal(sd, mbus_fmt, 221819a81c14SSteve Longerbeam sensor->current_fr, &new_mode); 221919a81c14SSteve Longerbeam if (ret) 222019a81c14SSteve Longerbeam goto out; 222119a81c14SSteve Longerbeam 222207115449SJacopo Mondi if (format->which == V4L2_SUBDEV_FORMAT_TRY) 222307115449SJacopo Mondi fmt = v4l2_subdev_get_try_format(sd, cfg, 0); 222407115449SJacopo Mondi else 222507115449SJacopo Mondi fmt = &sensor->fmt; 222619a81c14SSteve Longerbeam 2227e6441fdeSHugues Fruchet *fmt = *mbus_fmt; 222819a81c14SSteve Longerbeam 22296949d864SHugues Fruchet if (new_mode != sensor->current_mode) { 223019a81c14SSteve Longerbeam sensor->current_mode = new_mode; 223119a81c14SSteve Longerbeam sensor->pending_mode_change = true; 22326949d864SHugues Fruchet } 223307115449SJacopo Mondi if (mbus_fmt->code != sensor->fmt.code) 2234fb98e29fSHugues Fruchet sensor->pending_fmt_change = true; 223507115449SJacopo Mondi 223619a81c14SSteve Longerbeam out: 223719a81c14SSteve Longerbeam mutex_unlock(&sensor->lock); 223819a81c14SSteve Longerbeam return ret; 223919a81c14SSteve Longerbeam } 224019a81c14SSteve Longerbeam 2241e3ee691dSHugues Fruchet static int ov5640_set_framefmt(struct ov5640_dev *sensor, 2242e3ee691dSHugues Fruchet struct v4l2_mbus_framefmt *format) 2243e3ee691dSHugues Fruchet { 2244e3ee691dSHugues Fruchet int ret = 0; 2245d47c4126SHugues Fruchet bool is_jpeg = false; 2246b7ed3abdSLoic Poulain u8 fmt, mux; 2247e3ee691dSHugues Fruchet 2248e3ee691dSHugues Fruchet switch (format->code) { 2249e3ee691dSHugues Fruchet case MEDIA_BUS_FMT_UYVY8_2X8: 2250e3ee691dSHugues Fruchet /* YUV422, UYVY */ 2251b7ed3abdSLoic Poulain fmt = 0x3f; 2252b7ed3abdSLoic Poulain mux = OV5640_FMT_MUX_YUV422; 2253e3ee691dSHugues Fruchet break; 2254e3ee691dSHugues Fruchet case MEDIA_BUS_FMT_YUYV8_2X8: 2255e3ee691dSHugues Fruchet /* YUV422, YUYV */ 2256b7ed3abdSLoic Poulain fmt = 0x30; 2257b7ed3abdSLoic Poulain mux = OV5640_FMT_MUX_YUV422; 2258e3ee691dSHugues Fruchet break; 2259e3ee691dSHugues Fruchet case MEDIA_BUS_FMT_RGB565_2X8_LE: 2260e3ee691dSHugues Fruchet /* RGB565 {g[2:0],b[4:0]},{r[4:0],g[5:3]} */ 2261b7ed3abdSLoic Poulain fmt = 0x6F; 2262b7ed3abdSLoic Poulain mux = OV5640_FMT_MUX_RGB; 2263e3ee691dSHugues Fruchet break; 2264e3ee691dSHugues Fruchet case MEDIA_BUS_FMT_RGB565_2X8_BE: 2265e3ee691dSHugues Fruchet /* RGB565 {r[4:0],g[5:3]},{g[2:0],b[4:0]} */ 2266b7ed3abdSLoic Poulain fmt = 0x61; 2267b7ed3abdSLoic Poulain mux = OV5640_FMT_MUX_RGB; 2268e3ee691dSHugues Fruchet break; 2269d47c4126SHugues Fruchet case MEDIA_BUS_FMT_JPEG_1X8: 2270d47c4126SHugues Fruchet /* YUV422, YUYV */ 2271b7ed3abdSLoic Poulain fmt = 0x30; 2272b7ed3abdSLoic Poulain mux = OV5640_FMT_MUX_YUV422; 2273d47c4126SHugues Fruchet is_jpeg = true; 2274d47c4126SHugues Fruchet break; 2275b7ed3abdSLoic Poulain case MEDIA_BUS_FMT_SBGGR8_1X8: 2276b7ed3abdSLoic Poulain /* Raw, BGBG... / GRGR... */ 2277b7ed3abdSLoic Poulain fmt = 0x00; 2278b7ed3abdSLoic Poulain mux = OV5640_FMT_MUX_RAW_DPC; 2279b7ed3abdSLoic Poulain break; 2280b7ed3abdSLoic Poulain case MEDIA_BUS_FMT_SGBRG8_1X8: 2281b7ed3abdSLoic Poulain /* Raw bayer, GBGB... / RGRG... */ 2282b7ed3abdSLoic Poulain fmt = 0x01; 2283b7ed3abdSLoic Poulain mux = OV5640_FMT_MUX_RAW_DPC; 2284b7ed3abdSLoic Poulain break; 2285b7ed3abdSLoic Poulain case MEDIA_BUS_FMT_SGRBG8_1X8: 2286b7ed3abdSLoic Poulain /* Raw bayer, GRGR... / BGBG... */ 2287b7ed3abdSLoic Poulain fmt = 0x02; 2288b7ed3abdSLoic Poulain mux = OV5640_FMT_MUX_RAW_DPC; 2289b7ed3abdSLoic Poulain break; 2290b7ed3abdSLoic Poulain case MEDIA_BUS_FMT_SRGGB8_1X8: 2291b7ed3abdSLoic Poulain /* Raw bayer, RGRG... / GBGB... */ 2292b7ed3abdSLoic Poulain fmt = 0x03; 2293b7ed3abdSLoic Poulain mux = OV5640_FMT_MUX_RAW_DPC; 2294b7ed3abdSLoic Poulain break; 2295e3ee691dSHugues Fruchet default: 2296e3ee691dSHugues Fruchet return -EINVAL; 2297e3ee691dSHugues Fruchet } 2298e3ee691dSHugues Fruchet 2299e3ee691dSHugues Fruchet /* FORMAT CONTROL00: YUV and RGB formatting */ 2300b7ed3abdSLoic Poulain ret = ov5640_write_reg(sensor, OV5640_REG_FORMAT_CONTROL00, fmt); 2301e3ee691dSHugues Fruchet if (ret) 2302e3ee691dSHugues Fruchet return ret; 2303e3ee691dSHugues Fruchet 2304e3ee691dSHugues Fruchet /* FORMAT MUX CONTROL: ISP YUV or RGB */ 2305b7ed3abdSLoic Poulain ret = ov5640_write_reg(sensor, OV5640_REG_ISP_FORMAT_MUX_CTRL, mux); 2306d47c4126SHugues Fruchet if (ret) 2307d47c4126SHugues Fruchet return ret; 2308d47c4126SHugues Fruchet 2309d47c4126SHugues Fruchet /* 2310d47c4126SHugues Fruchet * TIMING TC REG21: 2311d47c4126SHugues Fruchet * - [5]: JPEG enable 2312d47c4126SHugues Fruchet */ 2313d47c4126SHugues Fruchet ret = ov5640_mod_reg(sensor, OV5640_REG_TIMING_TC_REG21, 2314d47c4126SHugues Fruchet BIT(5), is_jpeg ? BIT(5) : 0); 2315d47c4126SHugues Fruchet if (ret) 2316d47c4126SHugues Fruchet return ret; 2317d47c4126SHugues Fruchet 2318d47c4126SHugues Fruchet /* 2319d47c4126SHugues Fruchet * SYSTEM RESET02: 2320d47c4126SHugues Fruchet * - [4]: Reset JFIFO 2321d47c4126SHugues Fruchet * - [3]: Reset SFIFO 2322d47c4126SHugues Fruchet * - [2]: Reset JPEG 2323d47c4126SHugues Fruchet */ 2324d47c4126SHugues Fruchet ret = ov5640_mod_reg(sensor, OV5640_REG_SYS_RESET02, 2325d47c4126SHugues Fruchet BIT(4) | BIT(3) | BIT(2), 2326d47c4126SHugues Fruchet is_jpeg ? 0 : (BIT(4) | BIT(3) | BIT(2))); 2327d47c4126SHugues Fruchet if (ret) 2328d47c4126SHugues Fruchet return ret; 2329d47c4126SHugues Fruchet 2330d47c4126SHugues Fruchet /* 2331d47c4126SHugues Fruchet * CLOCK ENABLE02: 2332d47c4126SHugues Fruchet * - [5]: Enable JPEG 2x clock 2333d47c4126SHugues Fruchet * - [3]: Enable JPEG clock 2334d47c4126SHugues Fruchet */ 2335d47c4126SHugues Fruchet return ov5640_mod_reg(sensor, OV5640_REG_SYS_CLOCK_ENABLE02, 2336d47c4126SHugues Fruchet BIT(5) | BIT(3), 2337d47c4126SHugues Fruchet is_jpeg ? (BIT(5) | BIT(3)) : 0); 2338e3ee691dSHugues Fruchet } 233919a81c14SSteve Longerbeam 234019a81c14SSteve Longerbeam /* 234119a81c14SSteve Longerbeam * Sensor Controls. 234219a81c14SSteve Longerbeam */ 234319a81c14SSteve Longerbeam 234419a81c14SSteve Longerbeam static int ov5640_set_ctrl_hue(struct ov5640_dev *sensor, int value) 234519a81c14SSteve Longerbeam { 234619a81c14SSteve Longerbeam int ret; 234719a81c14SSteve Longerbeam 234819a81c14SSteve Longerbeam if (value) { 234919a81c14SSteve Longerbeam ret = ov5640_mod_reg(sensor, OV5640_REG_SDE_CTRL0, 235019a81c14SSteve Longerbeam BIT(0), BIT(0)); 235119a81c14SSteve Longerbeam if (ret) 235219a81c14SSteve Longerbeam return ret; 235319a81c14SSteve Longerbeam ret = ov5640_write_reg16(sensor, OV5640_REG_SDE_CTRL1, value); 235419a81c14SSteve Longerbeam } else { 235519a81c14SSteve Longerbeam ret = ov5640_mod_reg(sensor, OV5640_REG_SDE_CTRL0, BIT(0), 0); 235619a81c14SSteve Longerbeam } 235719a81c14SSteve Longerbeam 235819a81c14SSteve Longerbeam return ret; 235919a81c14SSteve Longerbeam } 236019a81c14SSteve Longerbeam 236119a81c14SSteve Longerbeam static int ov5640_set_ctrl_contrast(struct ov5640_dev *sensor, int value) 236219a81c14SSteve Longerbeam { 236319a81c14SSteve Longerbeam int ret; 236419a81c14SSteve Longerbeam 236519a81c14SSteve Longerbeam if (value) { 236619a81c14SSteve Longerbeam ret = ov5640_mod_reg(sensor, OV5640_REG_SDE_CTRL0, 236719a81c14SSteve Longerbeam BIT(2), BIT(2)); 236819a81c14SSteve Longerbeam if (ret) 236919a81c14SSteve Longerbeam return ret; 237019a81c14SSteve Longerbeam ret = ov5640_write_reg(sensor, OV5640_REG_SDE_CTRL5, 237119a81c14SSteve Longerbeam value & 0xff); 237219a81c14SSteve Longerbeam } else { 237319a81c14SSteve Longerbeam ret = ov5640_mod_reg(sensor, OV5640_REG_SDE_CTRL0, BIT(2), 0); 237419a81c14SSteve Longerbeam } 237519a81c14SSteve Longerbeam 237619a81c14SSteve Longerbeam return ret; 237719a81c14SSteve Longerbeam } 237819a81c14SSteve Longerbeam 237919a81c14SSteve Longerbeam static int ov5640_set_ctrl_saturation(struct ov5640_dev *sensor, int value) 238019a81c14SSteve Longerbeam { 238119a81c14SSteve Longerbeam int ret; 238219a81c14SSteve Longerbeam 238319a81c14SSteve Longerbeam if (value) { 238419a81c14SSteve Longerbeam ret = ov5640_mod_reg(sensor, OV5640_REG_SDE_CTRL0, 238519a81c14SSteve Longerbeam BIT(1), BIT(1)); 238619a81c14SSteve Longerbeam if (ret) 238719a81c14SSteve Longerbeam return ret; 238819a81c14SSteve Longerbeam ret = ov5640_write_reg(sensor, OV5640_REG_SDE_CTRL3, 238919a81c14SSteve Longerbeam value & 0xff); 239019a81c14SSteve Longerbeam if (ret) 239119a81c14SSteve Longerbeam return ret; 239219a81c14SSteve Longerbeam ret = ov5640_write_reg(sensor, OV5640_REG_SDE_CTRL4, 239319a81c14SSteve Longerbeam value & 0xff); 239419a81c14SSteve Longerbeam } else { 239519a81c14SSteve Longerbeam ret = ov5640_mod_reg(sensor, OV5640_REG_SDE_CTRL0, BIT(1), 0); 239619a81c14SSteve Longerbeam } 239719a81c14SSteve Longerbeam 239819a81c14SSteve Longerbeam return ret; 239919a81c14SSteve Longerbeam } 240019a81c14SSteve Longerbeam 240119a81c14SSteve Longerbeam static int ov5640_set_ctrl_white_balance(struct ov5640_dev *sensor, int awb) 240219a81c14SSteve Longerbeam { 240319a81c14SSteve Longerbeam int ret; 240419a81c14SSteve Longerbeam 240519a81c14SSteve Longerbeam ret = ov5640_mod_reg(sensor, OV5640_REG_AWB_MANUAL_CTRL, 240619a81c14SSteve Longerbeam BIT(0), awb ? 0 : 1); 240719a81c14SSteve Longerbeam if (ret) 240819a81c14SSteve Longerbeam return ret; 240919a81c14SSteve Longerbeam 241019a81c14SSteve Longerbeam if (!awb) { 241119a81c14SSteve Longerbeam u16 red = (u16)sensor->ctrls.red_balance->val; 241219a81c14SSteve Longerbeam u16 blue = (u16)sensor->ctrls.blue_balance->val; 241319a81c14SSteve Longerbeam 241419a81c14SSteve Longerbeam ret = ov5640_write_reg16(sensor, OV5640_REG_AWB_R_GAIN, red); 241519a81c14SSteve Longerbeam if (ret) 241619a81c14SSteve Longerbeam return ret; 241719a81c14SSteve Longerbeam ret = ov5640_write_reg16(sensor, OV5640_REG_AWB_B_GAIN, blue); 241819a81c14SSteve Longerbeam } 241919a81c14SSteve Longerbeam 242019a81c14SSteve Longerbeam return ret; 242119a81c14SSteve Longerbeam } 242219a81c14SSteve Longerbeam 24233cca8ef5SHugues Fruchet static int ov5640_set_ctrl_exposure(struct ov5640_dev *sensor, 24243cca8ef5SHugues Fruchet enum v4l2_exposure_auto_type auto_exposure) 242519a81c14SSteve Longerbeam { 242619a81c14SSteve Longerbeam struct ov5640_ctrls *ctrls = &sensor->ctrls; 24273cca8ef5SHugues Fruchet bool auto_exp = (auto_exposure == V4L2_EXPOSURE_AUTO); 242819a81c14SSteve Longerbeam int ret = 0; 242919a81c14SSteve Longerbeam 243019a81c14SSteve Longerbeam if (ctrls->auto_exp->is_new) { 24313cca8ef5SHugues Fruchet ret = ov5640_set_autoexposure(sensor, auto_exp); 243219a81c14SSteve Longerbeam if (ret) 243319a81c14SSteve Longerbeam return ret; 243419a81c14SSteve Longerbeam } 243519a81c14SSteve Longerbeam 24363cca8ef5SHugues Fruchet if (!auto_exp && ctrls->exposure->is_new) { 243719a81c14SSteve Longerbeam u16 max_exp; 243819a81c14SSteve Longerbeam 243919a81c14SSteve Longerbeam ret = ov5640_read_reg16(sensor, OV5640_REG_AEC_PK_VTS, 244019a81c14SSteve Longerbeam &max_exp); 244119a81c14SSteve Longerbeam if (ret) 244219a81c14SSteve Longerbeam return ret; 244319a81c14SSteve Longerbeam ret = ov5640_get_vts(sensor); 244419a81c14SSteve Longerbeam if (ret < 0) 244519a81c14SSteve Longerbeam return ret; 244619a81c14SSteve Longerbeam max_exp += ret; 24476146fde3SHugues Fruchet ret = 0; 244819a81c14SSteve Longerbeam 244919a81c14SSteve Longerbeam if (ctrls->exposure->val < max_exp) 245019a81c14SSteve Longerbeam ret = ov5640_set_exposure(sensor, ctrls->exposure->val); 245119a81c14SSteve Longerbeam } 245219a81c14SSteve Longerbeam 245319a81c14SSteve Longerbeam return ret; 245419a81c14SSteve Longerbeam } 245519a81c14SSteve Longerbeam 24563cca8ef5SHugues Fruchet static int ov5640_set_ctrl_gain(struct ov5640_dev *sensor, bool auto_gain) 245719a81c14SSteve Longerbeam { 245819a81c14SSteve Longerbeam struct ov5640_ctrls *ctrls = &sensor->ctrls; 245919a81c14SSteve Longerbeam int ret = 0; 246019a81c14SSteve Longerbeam 246119a81c14SSteve Longerbeam if (ctrls->auto_gain->is_new) { 24623cca8ef5SHugues Fruchet ret = ov5640_set_autogain(sensor, auto_gain); 246319a81c14SSteve Longerbeam if (ret) 246419a81c14SSteve Longerbeam return ret; 246519a81c14SSteve Longerbeam } 246619a81c14SSteve Longerbeam 24673cca8ef5SHugues Fruchet if (!auto_gain && ctrls->gain->is_new) 24683cca8ef5SHugues Fruchet ret = ov5640_set_gain(sensor, ctrls->gain->val); 246919a81c14SSteve Longerbeam 247019a81c14SSteve Longerbeam return ret; 247119a81c14SSteve Longerbeam } 247219a81c14SSteve Longerbeam 24739f6d7bacSChen-Yu Tsai static const char * const test_pattern_menu[] = { 24749f6d7bacSChen-Yu Tsai "Disabled", 24759f6d7bacSChen-Yu Tsai "Color bars", 2476bddc5cdfSChen-Yu Tsai "Color bars w/ rolling bar", 2477bddc5cdfSChen-Yu Tsai "Color squares", 2478bddc5cdfSChen-Yu Tsai "Color squares w/ rolling bar", 24799f6d7bacSChen-Yu Tsai }; 24809f6d7bacSChen-Yu Tsai 2481a0c29afbSChen-Yu Tsai #define OV5640_TEST_ENABLE BIT(7) 2482a0c29afbSChen-Yu Tsai #define OV5640_TEST_ROLLING BIT(6) /* rolling horizontal bar */ 2483a0c29afbSChen-Yu Tsai #define OV5640_TEST_TRANSPARENT BIT(5) 2484a0c29afbSChen-Yu Tsai #define OV5640_TEST_SQUARE_BW BIT(4) /* black & white squares */ 2485a0c29afbSChen-Yu Tsai #define OV5640_TEST_BAR_STANDARD (0 << 2) 2486a0c29afbSChen-Yu Tsai #define OV5640_TEST_BAR_VERT_CHANGE_1 (1 << 2) 2487a0c29afbSChen-Yu Tsai #define OV5640_TEST_BAR_HOR_CHANGE (2 << 2) 2488a0c29afbSChen-Yu Tsai #define OV5640_TEST_BAR_VERT_CHANGE_2 (3 << 2) 2489a0c29afbSChen-Yu Tsai #define OV5640_TEST_BAR (0 << 0) 2490a0c29afbSChen-Yu Tsai #define OV5640_TEST_RANDOM (1 << 0) 2491a0c29afbSChen-Yu Tsai #define OV5640_TEST_SQUARE (2 << 0) 2492a0c29afbSChen-Yu Tsai #define OV5640_TEST_BLACK (3 << 0) 2493a0c29afbSChen-Yu Tsai 2494a0c29afbSChen-Yu Tsai static const u8 test_pattern_val[] = { 2495a0c29afbSChen-Yu Tsai 0, 24962aff1fc3SChen-Yu Tsai OV5640_TEST_ENABLE | OV5640_TEST_BAR_VERT_CHANGE_1 | 2497a0c29afbSChen-Yu Tsai OV5640_TEST_BAR, 2498bddc5cdfSChen-Yu Tsai OV5640_TEST_ENABLE | OV5640_TEST_ROLLING | 2499bddc5cdfSChen-Yu Tsai OV5640_TEST_BAR_VERT_CHANGE_1 | OV5640_TEST_BAR, 2500bddc5cdfSChen-Yu Tsai OV5640_TEST_ENABLE | OV5640_TEST_SQUARE, 2501bddc5cdfSChen-Yu Tsai OV5640_TEST_ENABLE | OV5640_TEST_ROLLING | OV5640_TEST_SQUARE, 2502a0c29afbSChen-Yu Tsai }; 2503a0c29afbSChen-Yu Tsai 250419a81c14SSteve Longerbeam static int ov5640_set_ctrl_test_pattern(struct ov5640_dev *sensor, int value) 250519a81c14SSteve Longerbeam { 2506a0c29afbSChen-Yu Tsai return ov5640_write_reg(sensor, OV5640_REG_PRE_ISP_TEST_SET1, 2507a0c29afbSChen-Yu Tsai test_pattern_val[value]); 250819a81c14SSteve Longerbeam } 250919a81c14SSteve Longerbeam 25101068fecaSMylène Josserand static int ov5640_set_ctrl_light_freq(struct ov5640_dev *sensor, int value) 25111068fecaSMylène Josserand { 25121068fecaSMylène Josserand int ret; 25131068fecaSMylène Josserand 25141068fecaSMylène Josserand ret = ov5640_mod_reg(sensor, OV5640_REG_HZ5060_CTRL01, BIT(7), 25151068fecaSMylène Josserand (value == V4L2_CID_POWER_LINE_FREQUENCY_AUTO) ? 25161068fecaSMylène Josserand 0 : BIT(7)); 25171068fecaSMylène Josserand if (ret) 25181068fecaSMylène Josserand return ret; 25191068fecaSMylène Josserand 25201068fecaSMylène Josserand return ov5640_mod_reg(sensor, OV5640_REG_HZ5060_CTRL00, BIT(2), 25211068fecaSMylène Josserand (value == V4L2_CID_POWER_LINE_FREQUENCY_50HZ) ? 25221068fecaSMylène Josserand BIT(2) : 0); 25231068fecaSMylène Josserand } 25241068fecaSMylène Josserand 2525ce85705aSHugues Fruchet static int ov5640_set_ctrl_hflip(struct ov5640_dev *sensor, int value) 2526ce85705aSHugues Fruchet { 2527ce85705aSHugues Fruchet /* 2528c3f3ba3eSHugues Fruchet * If sensor is mounted upside down, mirror logic is inversed. 2529c3f3ba3eSHugues Fruchet * 2530ce85705aSHugues Fruchet * Sensor is a BSI (Back Side Illuminated) one, 2531ce85705aSHugues Fruchet * so image captured is physically mirrored. 2532ce85705aSHugues Fruchet * This is why mirror logic is inversed in 2533ce85705aSHugues Fruchet * order to cancel this mirror effect. 2534ce85705aSHugues Fruchet */ 2535ce85705aSHugues Fruchet 2536ce85705aSHugues Fruchet /* 2537ce85705aSHugues Fruchet * TIMING TC REG21: 2538ce85705aSHugues Fruchet * - [2]: ISP mirror 2539ce85705aSHugues Fruchet * - [1]: Sensor mirror 2540ce85705aSHugues Fruchet */ 2541ce85705aSHugues Fruchet return ov5640_mod_reg(sensor, OV5640_REG_TIMING_TC_REG21, 2542ce85705aSHugues Fruchet BIT(2) | BIT(1), 2543c3f3ba3eSHugues Fruchet (!(value ^ sensor->upside_down)) ? 2544c3f3ba3eSHugues Fruchet (BIT(2) | BIT(1)) : 0); 2545ce85705aSHugues Fruchet } 2546ce85705aSHugues Fruchet 2547ce85705aSHugues Fruchet static int ov5640_set_ctrl_vflip(struct ov5640_dev *sensor, int value) 2548ce85705aSHugues Fruchet { 2549c3f3ba3eSHugues Fruchet /* If sensor is mounted upside down, flip logic is inversed */ 2550c3f3ba3eSHugues Fruchet 2551ce85705aSHugues Fruchet /* 2552ce85705aSHugues Fruchet * TIMING TC REG20: 2553ce85705aSHugues Fruchet * - [2]: ISP vflip 2554ce85705aSHugues Fruchet * - [1]: Sensor vflip 2555ce85705aSHugues Fruchet */ 2556ce85705aSHugues Fruchet return ov5640_mod_reg(sensor, OV5640_REG_TIMING_TC_REG20, 2557ce85705aSHugues Fruchet BIT(2) | BIT(1), 2558c3f3ba3eSHugues Fruchet (value ^ sensor->upside_down) ? 2559c3f3ba3eSHugues Fruchet (BIT(2) | BIT(1)) : 0); 2560ce85705aSHugues Fruchet } 2561ce85705aSHugues Fruchet 256219a81c14SSteve Longerbeam static int ov5640_g_volatile_ctrl(struct v4l2_ctrl *ctrl) 256319a81c14SSteve Longerbeam { 256419a81c14SSteve Longerbeam struct v4l2_subdev *sd = ctrl_to_sd(ctrl); 256519a81c14SSteve Longerbeam struct ov5640_dev *sensor = to_ov5640_dev(sd); 256619a81c14SSteve Longerbeam int val; 256719a81c14SSteve Longerbeam 256819a81c14SSteve Longerbeam /* v4l2_ctrl_lock() locks our own mutex */ 256919a81c14SSteve Longerbeam 257019a81c14SSteve Longerbeam switch (ctrl->id) { 257119a81c14SSteve Longerbeam case V4L2_CID_AUTOGAIN: 257219a81c14SSteve Longerbeam val = ov5640_get_gain(sensor); 257319a81c14SSteve Longerbeam if (val < 0) 257419a81c14SSteve Longerbeam return val; 257519a81c14SSteve Longerbeam sensor->ctrls.gain->val = val; 257619a81c14SSteve Longerbeam break; 257719a81c14SSteve Longerbeam case V4L2_CID_EXPOSURE_AUTO: 257819a81c14SSteve Longerbeam val = ov5640_get_exposure(sensor); 257919a81c14SSteve Longerbeam if (val < 0) 258019a81c14SSteve Longerbeam return val; 258119a81c14SSteve Longerbeam sensor->ctrls.exposure->val = val; 258219a81c14SSteve Longerbeam break; 258319a81c14SSteve Longerbeam } 258419a81c14SSteve Longerbeam 258519a81c14SSteve Longerbeam return 0; 258619a81c14SSteve Longerbeam } 258719a81c14SSteve Longerbeam 258819a81c14SSteve Longerbeam static int ov5640_s_ctrl(struct v4l2_ctrl *ctrl) 258919a81c14SSteve Longerbeam { 259019a81c14SSteve Longerbeam struct v4l2_subdev *sd = ctrl_to_sd(ctrl); 259119a81c14SSteve Longerbeam struct ov5640_dev *sensor = to_ov5640_dev(sd); 259219a81c14SSteve Longerbeam int ret; 259319a81c14SSteve Longerbeam 259419a81c14SSteve Longerbeam /* v4l2_ctrl_lock() locks our own mutex */ 259519a81c14SSteve Longerbeam 259619a81c14SSteve Longerbeam /* 259719a81c14SSteve Longerbeam * If the device is not powered up by the host driver do 259819a81c14SSteve Longerbeam * not apply any controls to H/W at this time. Instead 259919a81c14SSteve Longerbeam * the controls will be restored right after power-up. 260019a81c14SSteve Longerbeam */ 260119a81c14SSteve Longerbeam if (sensor->power_count == 0) 260219a81c14SSteve Longerbeam return 0; 260319a81c14SSteve Longerbeam 260419a81c14SSteve Longerbeam switch (ctrl->id) { 260519a81c14SSteve Longerbeam case V4L2_CID_AUTOGAIN: 260619a81c14SSteve Longerbeam ret = ov5640_set_ctrl_gain(sensor, ctrl->val); 260719a81c14SSteve Longerbeam break; 260819a81c14SSteve Longerbeam case V4L2_CID_EXPOSURE_AUTO: 260919a81c14SSteve Longerbeam ret = ov5640_set_ctrl_exposure(sensor, ctrl->val); 261019a81c14SSteve Longerbeam break; 261119a81c14SSteve Longerbeam case V4L2_CID_AUTO_WHITE_BALANCE: 261219a81c14SSteve Longerbeam ret = ov5640_set_ctrl_white_balance(sensor, ctrl->val); 261319a81c14SSteve Longerbeam break; 261419a81c14SSteve Longerbeam case V4L2_CID_HUE: 261519a81c14SSteve Longerbeam ret = ov5640_set_ctrl_hue(sensor, ctrl->val); 261619a81c14SSteve Longerbeam break; 261719a81c14SSteve Longerbeam case V4L2_CID_CONTRAST: 261819a81c14SSteve Longerbeam ret = ov5640_set_ctrl_contrast(sensor, ctrl->val); 261919a81c14SSteve Longerbeam break; 262019a81c14SSteve Longerbeam case V4L2_CID_SATURATION: 262119a81c14SSteve Longerbeam ret = ov5640_set_ctrl_saturation(sensor, ctrl->val); 262219a81c14SSteve Longerbeam break; 262319a81c14SSteve Longerbeam case V4L2_CID_TEST_PATTERN: 262419a81c14SSteve Longerbeam ret = ov5640_set_ctrl_test_pattern(sensor, ctrl->val); 262519a81c14SSteve Longerbeam break; 26261068fecaSMylène Josserand case V4L2_CID_POWER_LINE_FREQUENCY: 26271068fecaSMylène Josserand ret = ov5640_set_ctrl_light_freq(sensor, ctrl->val); 26281068fecaSMylène Josserand break; 2629ce85705aSHugues Fruchet case V4L2_CID_HFLIP: 2630ce85705aSHugues Fruchet ret = ov5640_set_ctrl_hflip(sensor, ctrl->val); 2631ce85705aSHugues Fruchet break; 2632ce85705aSHugues Fruchet case V4L2_CID_VFLIP: 2633ce85705aSHugues Fruchet ret = ov5640_set_ctrl_vflip(sensor, ctrl->val); 2634ce85705aSHugues Fruchet break; 263519a81c14SSteve Longerbeam default: 263619a81c14SSteve Longerbeam ret = -EINVAL; 263719a81c14SSteve Longerbeam break; 263819a81c14SSteve Longerbeam } 263919a81c14SSteve Longerbeam 264019a81c14SSteve Longerbeam return ret; 264119a81c14SSteve Longerbeam } 264219a81c14SSteve Longerbeam 264319a81c14SSteve Longerbeam static const struct v4l2_ctrl_ops ov5640_ctrl_ops = { 264419a81c14SSteve Longerbeam .g_volatile_ctrl = ov5640_g_volatile_ctrl, 264519a81c14SSteve Longerbeam .s_ctrl = ov5640_s_ctrl, 264619a81c14SSteve Longerbeam }; 264719a81c14SSteve Longerbeam 264819a81c14SSteve Longerbeam static int ov5640_init_controls(struct ov5640_dev *sensor) 264919a81c14SSteve Longerbeam { 265019a81c14SSteve Longerbeam const struct v4l2_ctrl_ops *ops = &ov5640_ctrl_ops; 265119a81c14SSteve Longerbeam struct ov5640_ctrls *ctrls = &sensor->ctrls; 265219a81c14SSteve Longerbeam struct v4l2_ctrl_handler *hdl = &ctrls->handler; 265319a81c14SSteve Longerbeam int ret; 265419a81c14SSteve Longerbeam 265519a81c14SSteve Longerbeam v4l2_ctrl_handler_init(hdl, 32); 265619a81c14SSteve Longerbeam 265719a81c14SSteve Longerbeam /* we can use our own mutex for the ctrl lock */ 265819a81c14SSteve Longerbeam hdl->lock = &sensor->lock; 265919a81c14SSteve Longerbeam 266019a81c14SSteve Longerbeam /* Auto/manual white balance */ 266119a81c14SSteve Longerbeam ctrls->auto_wb = v4l2_ctrl_new_std(hdl, ops, 266219a81c14SSteve Longerbeam V4L2_CID_AUTO_WHITE_BALANCE, 266319a81c14SSteve Longerbeam 0, 1, 1, 1); 266419a81c14SSteve Longerbeam ctrls->blue_balance = v4l2_ctrl_new_std(hdl, ops, V4L2_CID_BLUE_BALANCE, 266519a81c14SSteve Longerbeam 0, 4095, 1, 0); 266619a81c14SSteve Longerbeam ctrls->red_balance = v4l2_ctrl_new_std(hdl, ops, V4L2_CID_RED_BALANCE, 266719a81c14SSteve Longerbeam 0, 4095, 1, 0); 266819a81c14SSteve Longerbeam /* Auto/manual exposure */ 266919a81c14SSteve Longerbeam ctrls->auto_exp = v4l2_ctrl_new_std_menu(hdl, ops, 267019a81c14SSteve Longerbeam V4L2_CID_EXPOSURE_AUTO, 267119a81c14SSteve Longerbeam V4L2_EXPOSURE_MANUAL, 0, 267219a81c14SSteve Longerbeam V4L2_EXPOSURE_AUTO); 267319a81c14SSteve Longerbeam ctrls->exposure = v4l2_ctrl_new_std(hdl, ops, V4L2_CID_EXPOSURE, 267419a81c14SSteve Longerbeam 0, 65535, 1, 0); 267519a81c14SSteve Longerbeam /* Auto/manual gain */ 267619a81c14SSteve Longerbeam ctrls->auto_gain = v4l2_ctrl_new_std(hdl, ops, V4L2_CID_AUTOGAIN, 267719a81c14SSteve Longerbeam 0, 1, 1, 1); 267819a81c14SSteve Longerbeam ctrls->gain = v4l2_ctrl_new_std(hdl, ops, V4L2_CID_GAIN, 267919a81c14SSteve Longerbeam 0, 1023, 1, 0); 268019a81c14SSteve Longerbeam 268119a81c14SSteve Longerbeam ctrls->saturation = v4l2_ctrl_new_std(hdl, ops, V4L2_CID_SATURATION, 268219a81c14SSteve Longerbeam 0, 255, 1, 64); 268319a81c14SSteve Longerbeam ctrls->hue = v4l2_ctrl_new_std(hdl, ops, V4L2_CID_HUE, 268419a81c14SSteve Longerbeam 0, 359, 1, 0); 268519a81c14SSteve Longerbeam ctrls->contrast = v4l2_ctrl_new_std(hdl, ops, V4L2_CID_CONTRAST, 268619a81c14SSteve Longerbeam 0, 255, 1, 0); 268719a81c14SSteve Longerbeam ctrls->test_pattern = 268819a81c14SSteve Longerbeam v4l2_ctrl_new_std_menu_items(hdl, ops, V4L2_CID_TEST_PATTERN, 268919a81c14SSteve Longerbeam ARRAY_SIZE(test_pattern_menu) - 1, 269019a81c14SSteve Longerbeam 0, 0, test_pattern_menu); 2691ce85705aSHugues Fruchet ctrls->hflip = v4l2_ctrl_new_std(hdl, ops, V4L2_CID_HFLIP, 2692ce85705aSHugues Fruchet 0, 1, 1, 0); 2693ce85705aSHugues Fruchet ctrls->vflip = v4l2_ctrl_new_std(hdl, ops, V4L2_CID_VFLIP, 2694ce85705aSHugues Fruchet 0, 1, 1, 0); 269519a81c14SSteve Longerbeam 26961068fecaSMylène Josserand ctrls->light_freq = 26971068fecaSMylène Josserand v4l2_ctrl_new_std_menu(hdl, ops, 26981068fecaSMylène Josserand V4L2_CID_POWER_LINE_FREQUENCY, 26991068fecaSMylène Josserand V4L2_CID_POWER_LINE_FREQUENCY_AUTO, 0, 27001068fecaSMylène Josserand V4L2_CID_POWER_LINE_FREQUENCY_50HZ); 27011068fecaSMylène Josserand 270219a81c14SSteve Longerbeam if (hdl->error) { 270319a81c14SSteve Longerbeam ret = hdl->error; 270419a81c14SSteve Longerbeam goto free_ctrls; 270519a81c14SSteve Longerbeam } 270619a81c14SSteve Longerbeam 270719a81c14SSteve Longerbeam ctrls->gain->flags |= V4L2_CTRL_FLAG_VOLATILE; 270819a81c14SSteve Longerbeam ctrls->exposure->flags |= V4L2_CTRL_FLAG_VOLATILE; 270919a81c14SSteve Longerbeam 271019a81c14SSteve Longerbeam v4l2_ctrl_auto_cluster(3, &ctrls->auto_wb, 0, false); 271119a81c14SSteve Longerbeam v4l2_ctrl_auto_cluster(2, &ctrls->auto_gain, 0, true); 271219a81c14SSteve Longerbeam v4l2_ctrl_auto_cluster(2, &ctrls->auto_exp, 1, true); 271319a81c14SSteve Longerbeam 271419a81c14SSteve Longerbeam sensor->sd.ctrl_handler = hdl; 271519a81c14SSteve Longerbeam return 0; 271619a81c14SSteve Longerbeam 271719a81c14SSteve Longerbeam free_ctrls: 271819a81c14SSteve Longerbeam v4l2_ctrl_handler_free(hdl); 271919a81c14SSteve Longerbeam return ret; 272019a81c14SSteve Longerbeam } 272119a81c14SSteve Longerbeam 272219a81c14SSteve Longerbeam static int ov5640_enum_frame_size(struct v4l2_subdev *sd, 272319a81c14SSteve Longerbeam struct v4l2_subdev_pad_config *cfg, 272419a81c14SSteve Longerbeam struct v4l2_subdev_frame_size_enum *fse) 272519a81c14SSteve Longerbeam { 272619a81c14SSteve Longerbeam if (fse->pad != 0) 272719a81c14SSteve Longerbeam return -EINVAL; 272819a81c14SSteve Longerbeam if (fse->index >= OV5640_NUM_MODES) 272919a81c14SSteve Longerbeam return -EINVAL; 273019a81c14SSteve Longerbeam 273141d8d7f5SHugues Fruchet fse->min_width = 2732086c25f8SMaxime Ripard ov5640_mode_data[fse->index].hact; 273341d8d7f5SHugues Fruchet fse->max_width = fse->min_width; 273441d8d7f5SHugues Fruchet fse->min_height = 2735086c25f8SMaxime Ripard ov5640_mode_data[fse->index].vact; 273641d8d7f5SHugues Fruchet fse->max_height = fse->min_height; 273719a81c14SSteve Longerbeam 273819a81c14SSteve Longerbeam return 0; 273919a81c14SSteve Longerbeam } 274019a81c14SSteve Longerbeam 274119a81c14SSteve Longerbeam static int ov5640_enum_frame_interval( 274219a81c14SSteve Longerbeam struct v4l2_subdev *sd, 274319a81c14SSteve Longerbeam struct v4l2_subdev_pad_config *cfg, 274419a81c14SSteve Longerbeam struct v4l2_subdev_frame_interval_enum *fie) 274519a81c14SSteve Longerbeam { 274619a81c14SSteve Longerbeam struct ov5640_dev *sensor = to_ov5640_dev(sd); 274719a81c14SSteve Longerbeam struct v4l2_fract tpf; 274819a81c14SSteve Longerbeam int ret; 274919a81c14SSteve Longerbeam 275019a81c14SSteve Longerbeam if (fie->pad != 0) 275119a81c14SSteve Longerbeam return -EINVAL; 275219a81c14SSteve Longerbeam if (fie->index >= OV5640_NUM_FRAMERATES) 275319a81c14SSteve Longerbeam return -EINVAL; 275419a81c14SSteve Longerbeam 275519a81c14SSteve Longerbeam tpf.numerator = 1; 275619a81c14SSteve Longerbeam tpf.denominator = ov5640_framerates[fie->index]; 275719a81c14SSteve Longerbeam 275819a81c14SSteve Longerbeam ret = ov5640_try_frame_interval(sensor, &tpf, 275919a81c14SSteve Longerbeam fie->width, fie->height); 276019a81c14SSteve Longerbeam if (ret < 0) 276119a81c14SSteve Longerbeam return -EINVAL; 276219a81c14SSteve Longerbeam 276319a81c14SSteve Longerbeam fie->interval = tpf; 276419a81c14SSteve Longerbeam return 0; 276519a81c14SSteve Longerbeam } 276619a81c14SSteve Longerbeam 276719a81c14SSteve Longerbeam static int ov5640_g_frame_interval(struct v4l2_subdev *sd, 276819a81c14SSteve Longerbeam struct v4l2_subdev_frame_interval *fi) 276919a81c14SSteve Longerbeam { 277019a81c14SSteve Longerbeam struct ov5640_dev *sensor = to_ov5640_dev(sd); 277119a81c14SSteve Longerbeam 277219a81c14SSteve Longerbeam mutex_lock(&sensor->lock); 277319a81c14SSteve Longerbeam fi->interval = sensor->frame_interval; 277419a81c14SSteve Longerbeam mutex_unlock(&sensor->lock); 277519a81c14SSteve Longerbeam 277619a81c14SSteve Longerbeam return 0; 277719a81c14SSteve Longerbeam } 277819a81c14SSteve Longerbeam 277919a81c14SSteve Longerbeam static int ov5640_s_frame_interval(struct v4l2_subdev *sd, 278019a81c14SSteve Longerbeam struct v4l2_subdev_frame_interval *fi) 278119a81c14SSteve Longerbeam { 278219a81c14SSteve Longerbeam struct ov5640_dev *sensor = to_ov5640_dev(sd); 278319a81c14SSteve Longerbeam const struct ov5640_mode_info *mode; 278419a81c14SSteve Longerbeam int frame_rate, ret = 0; 278519a81c14SSteve Longerbeam 278619a81c14SSteve Longerbeam if (fi->pad != 0) 278719a81c14SSteve Longerbeam return -EINVAL; 278819a81c14SSteve Longerbeam 278919a81c14SSteve Longerbeam mutex_lock(&sensor->lock); 279019a81c14SSteve Longerbeam 279119a81c14SSteve Longerbeam if (sensor->streaming) { 279219a81c14SSteve Longerbeam ret = -EBUSY; 279319a81c14SSteve Longerbeam goto out; 279419a81c14SSteve Longerbeam } 279519a81c14SSteve Longerbeam 279619a81c14SSteve Longerbeam mode = sensor->current_mode; 279719a81c14SSteve Longerbeam 279819a81c14SSteve Longerbeam frame_rate = ov5640_try_frame_interval(sensor, &fi->interval, 2799dba13a0bSMaxime Ripard mode->hact, mode->vact); 2800e823fb16SMaxime Ripard if (frame_rate < 0) { 2801e823fb16SMaxime Ripard /* Always return a valid frame interval value */ 2802e823fb16SMaxime Ripard fi->interval = sensor->frame_interval; 2803e823fb16SMaxime Ripard goto out; 2804e823fb16SMaxime Ripard } 280519a81c14SSteve Longerbeam 28063c4a7372SHugues Fruchet mode = ov5640_find_mode(sensor, frame_rate, mode->hact, 2807dba13a0bSMaxime Ripard mode->vact, true); 28083c4a7372SHugues Fruchet if (!mode) { 28093c4a7372SHugues Fruchet ret = -EINVAL; 28103c4a7372SHugues Fruchet goto out; 28113c4a7372SHugues Fruchet } 28123c4a7372SHugues Fruchet 28130929983eSHugues Fruchet if (mode != sensor->current_mode || 28140929983eSHugues Fruchet frame_rate != sensor->current_fr) { 28150929983eSHugues Fruchet sensor->current_fr = frame_rate; 28160929983eSHugues Fruchet sensor->frame_interval = fi->interval; 28173c4a7372SHugues Fruchet sensor->current_mode = mode; 281819a81c14SSteve Longerbeam sensor->pending_mode_change = true; 28196949d864SHugues Fruchet } 282019a81c14SSteve Longerbeam out: 282119a81c14SSteve Longerbeam mutex_unlock(&sensor->lock); 282219a81c14SSteve Longerbeam return ret; 282319a81c14SSteve Longerbeam } 282419a81c14SSteve Longerbeam 282519a81c14SSteve Longerbeam static int ov5640_enum_mbus_code(struct v4l2_subdev *sd, 282619a81c14SSteve Longerbeam struct v4l2_subdev_pad_config *cfg, 282719a81c14SSteve Longerbeam struct v4l2_subdev_mbus_code_enum *code) 282819a81c14SSteve Longerbeam { 282919a81c14SSteve Longerbeam if (code->pad != 0) 283019a81c14SSteve Longerbeam return -EINVAL; 2831e3ee691dSHugues Fruchet if (code->index >= ARRAY_SIZE(ov5640_formats)) 283219a81c14SSteve Longerbeam return -EINVAL; 283319a81c14SSteve Longerbeam 2834e3ee691dSHugues Fruchet code->code = ov5640_formats[code->index].code; 283519a81c14SSteve Longerbeam return 0; 283619a81c14SSteve Longerbeam } 283719a81c14SSteve Longerbeam 283819a81c14SSteve Longerbeam static int ov5640_s_stream(struct v4l2_subdev *sd, int enable) 283919a81c14SSteve Longerbeam { 284019a81c14SSteve Longerbeam struct ov5640_dev *sensor = to_ov5640_dev(sd); 284119a81c14SSteve Longerbeam int ret = 0; 284219a81c14SSteve Longerbeam 284319a81c14SSteve Longerbeam mutex_lock(&sensor->lock); 284419a81c14SSteve Longerbeam 284519a81c14SSteve Longerbeam if (sensor->streaming == !enable) { 284619a81c14SSteve Longerbeam if (enable && sensor->pending_mode_change) { 2847985cdcb0SHugues Fruchet ret = ov5640_set_mode(sensor); 284819a81c14SSteve Longerbeam if (ret) 284919a81c14SSteve Longerbeam goto out; 2850fb98e29fSHugues Fruchet } 2851e3ee691dSHugues Fruchet 2852fb98e29fSHugues Fruchet if (enable && sensor->pending_fmt_change) { 2853e3ee691dSHugues Fruchet ret = ov5640_set_framefmt(sensor, &sensor->fmt); 2854e3ee691dSHugues Fruchet if (ret) 2855e3ee691dSHugues Fruchet goto out; 2856fb98e29fSHugues Fruchet sensor->pending_fmt_change = false; 285719a81c14SSteve Longerbeam } 285819a81c14SSteve Longerbeam 28592d95e7edSSakari Ailus if (sensor->ep.bus_type == V4L2_MBUS_CSI2_DPHY) 2860f22996dbSHugues Fruchet ret = ov5640_set_stream_mipi(sensor, enable); 2861f22996dbSHugues Fruchet else 2862f22996dbSHugues Fruchet ret = ov5640_set_stream_dvp(sensor, enable); 2863f22996dbSHugues Fruchet 286419a81c14SSteve Longerbeam if (!ret) 286519a81c14SSteve Longerbeam sensor->streaming = enable; 286619a81c14SSteve Longerbeam } 286719a81c14SSteve Longerbeam out: 286819a81c14SSteve Longerbeam mutex_unlock(&sensor->lock); 286919a81c14SSteve Longerbeam return ret; 287019a81c14SSteve Longerbeam } 287119a81c14SSteve Longerbeam 287219a81c14SSteve Longerbeam static const struct v4l2_subdev_core_ops ov5640_core_ops = { 287319a81c14SSteve Longerbeam .s_power = ov5640_s_power, 28742d18fbc5SAkinobu Mita .log_status = v4l2_ctrl_subdev_log_status, 28752d18fbc5SAkinobu Mita .subscribe_event = v4l2_ctrl_subdev_subscribe_event, 28762d18fbc5SAkinobu Mita .unsubscribe_event = v4l2_event_subdev_unsubscribe, 287719a81c14SSteve Longerbeam }; 287819a81c14SSteve Longerbeam 287919a81c14SSteve Longerbeam static const struct v4l2_subdev_video_ops ov5640_video_ops = { 288019a81c14SSteve Longerbeam .g_frame_interval = ov5640_g_frame_interval, 288119a81c14SSteve Longerbeam .s_frame_interval = ov5640_s_frame_interval, 288219a81c14SSteve Longerbeam .s_stream = ov5640_s_stream, 288319a81c14SSteve Longerbeam }; 288419a81c14SSteve Longerbeam 288519a81c14SSteve Longerbeam static const struct v4l2_subdev_pad_ops ov5640_pad_ops = { 288619a81c14SSteve Longerbeam .enum_mbus_code = ov5640_enum_mbus_code, 288719a81c14SSteve Longerbeam .get_fmt = ov5640_get_fmt, 288819a81c14SSteve Longerbeam .set_fmt = ov5640_set_fmt, 288919a81c14SSteve Longerbeam .enum_frame_size = ov5640_enum_frame_size, 289019a81c14SSteve Longerbeam .enum_frame_interval = ov5640_enum_frame_interval, 289119a81c14SSteve Longerbeam }; 289219a81c14SSteve Longerbeam 289319a81c14SSteve Longerbeam static const struct v4l2_subdev_ops ov5640_subdev_ops = { 289419a81c14SSteve Longerbeam .core = &ov5640_core_ops, 289519a81c14SSteve Longerbeam .video = &ov5640_video_ops, 289619a81c14SSteve Longerbeam .pad = &ov5640_pad_ops, 289719a81c14SSteve Longerbeam }; 289819a81c14SSteve Longerbeam 289919a81c14SSteve Longerbeam static int ov5640_get_regulators(struct ov5640_dev *sensor) 290019a81c14SSteve Longerbeam { 290119a81c14SSteve Longerbeam int i; 290219a81c14SSteve Longerbeam 290319a81c14SSteve Longerbeam for (i = 0; i < OV5640_NUM_SUPPLIES; i++) 290419a81c14SSteve Longerbeam sensor->supplies[i].supply = ov5640_supply_name[i]; 290519a81c14SSteve Longerbeam 290619a81c14SSteve Longerbeam return devm_regulator_bulk_get(&sensor->i2c_client->dev, 290719a81c14SSteve Longerbeam OV5640_NUM_SUPPLIES, 290819a81c14SSteve Longerbeam sensor->supplies); 290919a81c14SSteve Longerbeam } 291019a81c14SSteve Longerbeam 29110f7acb52SHugues Fruchet static int ov5640_check_chip_id(struct ov5640_dev *sensor) 29120f7acb52SHugues Fruchet { 29130f7acb52SHugues Fruchet struct i2c_client *client = sensor->i2c_client; 29140f7acb52SHugues Fruchet int ret = 0; 29150f7acb52SHugues Fruchet u16 chip_id; 29160f7acb52SHugues Fruchet 29170f7acb52SHugues Fruchet ret = ov5640_set_power_on(sensor); 29180f7acb52SHugues Fruchet if (ret) 29190f7acb52SHugues Fruchet return ret; 29200f7acb52SHugues Fruchet 29210f7acb52SHugues Fruchet ret = ov5640_read_reg16(sensor, OV5640_REG_CHIP_ID, &chip_id); 29220f7acb52SHugues Fruchet if (ret) { 29230f7acb52SHugues Fruchet dev_err(&client->dev, "%s: failed to read chip identifier\n", 29240f7acb52SHugues Fruchet __func__); 29250f7acb52SHugues Fruchet goto power_off; 29260f7acb52SHugues Fruchet } 29270f7acb52SHugues Fruchet 29280f7acb52SHugues Fruchet if (chip_id != 0x5640) { 29290f7acb52SHugues Fruchet dev_err(&client->dev, "%s: wrong chip identifier, expected 0x5640, got 0x%x\n", 29300f7acb52SHugues Fruchet __func__, chip_id); 29310f7acb52SHugues Fruchet ret = -ENXIO; 29320f7acb52SHugues Fruchet } 29330f7acb52SHugues Fruchet 29340f7acb52SHugues Fruchet power_off: 29350f7acb52SHugues Fruchet ov5640_set_power_off(sensor); 29360f7acb52SHugues Fruchet return ret; 29370f7acb52SHugues Fruchet } 29380f7acb52SHugues Fruchet 2939e6714993SKieran Bingham static int ov5640_probe(struct i2c_client *client) 294019a81c14SSteve Longerbeam { 294119a81c14SSteve Longerbeam struct device *dev = &client->dev; 294219a81c14SSteve Longerbeam struct fwnode_handle *endpoint; 294319a81c14SSteve Longerbeam struct ov5640_dev *sensor; 2944e6441fdeSHugues Fruchet struct v4l2_mbus_framefmt *fmt; 2945c3f3ba3eSHugues Fruchet u32 rotation; 294619a81c14SSteve Longerbeam int ret; 294719a81c14SSteve Longerbeam 294819a81c14SSteve Longerbeam sensor = devm_kzalloc(dev, sizeof(*sensor), GFP_KERNEL); 294919a81c14SSteve Longerbeam if (!sensor) 295019a81c14SSteve Longerbeam return -ENOMEM; 295119a81c14SSteve Longerbeam 295219a81c14SSteve Longerbeam sensor->i2c_client = client; 2953fb98e29fSHugues Fruchet 2954fb98e29fSHugues Fruchet /* 2955fb98e29fSHugues Fruchet * default init sequence initialize sensor to 2956fb98e29fSHugues Fruchet * YUV422 UYVY VGA@30fps 2957fb98e29fSHugues Fruchet */ 2958e6441fdeSHugues Fruchet fmt = &sensor->fmt; 2959fb98e29fSHugues Fruchet fmt->code = MEDIA_BUS_FMT_UYVY8_2X8; 2960fb98e29fSHugues Fruchet fmt->colorspace = V4L2_COLORSPACE_SRGB; 2961e6441fdeSHugues Fruchet fmt->ycbcr_enc = V4L2_MAP_YCBCR_ENC_DEFAULT(fmt->colorspace); 2962e6441fdeSHugues Fruchet fmt->quantization = V4L2_QUANTIZATION_FULL_RANGE; 2963e6441fdeSHugues Fruchet fmt->xfer_func = V4L2_MAP_XFER_FUNC_DEFAULT(fmt->colorspace); 2964e6441fdeSHugues Fruchet fmt->width = 640; 2965e6441fdeSHugues Fruchet fmt->height = 480; 2966e6441fdeSHugues Fruchet fmt->field = V4L2_FIELD_NONE; 296719a81c14SSteve Longerbeam sensor->frame_interval.numerator = 1; 296819a81c14SSteve Longerbeam sensor->frame_interval.denominator = ov5640_framerates[OV5640_30_FPS]; 296919a81c14SSteve Longerbeam sensor->current_fr = OV5640_30_FPS; 297019a81c14SSteve Longerbeam sensor->current_mode = 2971086c25f8SMaxime Ripard &ov5640_mode_data[OV5640_MODE_VGA_640_480]; 2972985cdcb0SHugues Fruchet sensor->last_mode = sensor->current_mode; 297319a81c14SSteve Longerbeam 297419a81c14SSteve Longerbeam sensor->ae_target = 52; 297519a81c14SSteve Longerbeam 2976c3f3ba3eSHugues Fruchet /* optional indication of physical rotation of sensor */ 2977c3f3ba3eSHugues Fruchet ret = fwnode_property_read_u32(dev_fwnode(&client->dev), "rotation", 2978c3f3ba3eSHugues Fruchet &rotation); 2979c3f3ba3eSHugues Fruchet if (!ret) { 2980c3f3ba3eSHugues Fruchet switch (rotation) { 2981c3f3ba3eSHugues Fruchet case 180: 2982c3f3ba3eSHugues Fruchet sensor->upside_down = true; 2983c3f3ba3eSHugues Fruchet /* fall through */ 2984c3f3ba3eSHugues Fruchet case 0: 2985c3f3ba3eSHugues Fruchet break; 2986c3f3ba3eSHugues Fruchet default: 2987c3f3ba3eSHugues Fruchet dev_warn(dev, "%u degrees rotation is not supported, ignoring...\n", 2988c3f3ba3eSHugues Fruchet rotation); 2989c3f3ba3eSHugues Fruchet } 2990c3f3ba3eSHugues Fruchet } 2991c3f3ba3eSHugues Fruchet 2992ce96bcf5SSakari Ailus endpoint = fwnode_graph_get_next_endpoint(dev_fwnode(&client->dev), 2993ce96bcf5SSakari Ailus NULL); 299419a81c14SSteve Longerbeam if (!endpoint) { 299519a81c14SSteve Longerbeam dev_err(dev, "endpoint node not found\n"); 299619a81c14SSteve Longerbeam return -EINVAL; 299719a81c14SSteve Longerbeam } 299819a81c14SSteve Longerbeam 299919a81c14SSteve Longerbeam ret = v4l2_fwnode_endpoint_parse(endpoint, &sensor->ep); 300019a81c14SSteve Longerbeam fwnode_handle_put(endpoint); 300119a81c14SSteve Longerbeam if (ret) { 300219a81c14SSteve Longerbeam dev_err(dev, "Could not parse endpoint\n"); 300319a81c14SSteve Longerbeam return ret; 300419a81c14SSteve Longerbeam } 300519a81c14SSteve Longerbeam 300619a81c14SSteve Longerbeam /* get system clock (xclk) */ 300719a81c14SSteve Longerbeam sensor->xclk = devm_clk_get(dev, "xclk"); 300819a81c14SSteve Longerbeam if (IS_ERR(sensor->xclk)) { 300919a81c14SSteve Longerbeam dev_err(dev, "failed to get xclk\n"); 301019a81c14SSteve Longerbeam return PTR_ERR(sensor->xclk); 301119a81c14SSteve Longerbeam } 301219a81c14SSteve Longerbeam 301319a81c14SSteve Longerbeam sensor->xclk_freq = clk_get_rate(sensor->xclk); 301419a81c14SSteve Longerbeam if (sensor->xclk_freq < OV5640_XCLK_MIN || 301519a81c14SSteve Longerbeam sensor->xclk_freq > OV5640_XCLK_MAX) { 301619a81c14SSteve Longerbeam dev_err(dev, "xclk frequency out of range: %d Hz\n", 301719a81c14SSteve Longerbeam sensor->xclk_freq); 301819a81c14SSteve Longerbeam return -EINVAL; 301919a81c14SSteve Longerbeam } 302019a81c14SSteve Longerbeam 302119a81c14SSteve Longerbeam /* request optional power down pin */ 302219a81c14SSteve Longerbeam sensor->pwdn_gpio = devm_gpiod_get_optional(dev, "powerdown", 302319a81c14SSteve Longerbeam GPIOD_OUT_HIGH); 30248791a102SFabio Estevam if (IS_ERR(sensor->pwdn_gpio)) 30258791a102SFabio Estevam return PTR_ERR(sensor->pwdn_gpio); 30268791a102SFabio Estevam 302719a81c14SSteve Longerbeam /* request optional reset pin */ 302819a81c14SSteve Longerbeam sensor->reset_gpio = devm_gpiod_get_optional(dev, "reset", 302919a81c14SSteve Longerbeam GPIOD_OUT_HIGH); 30308791a102SFabio Estevam if (IS_ERR(sensor->reset_gpio)) 30318791a102SFabio Estevam return PTR_ERR(sensor->reset_gpio); 303219a81c14SSteve Longerbeam 303319a81c14SSteve Longerbeam v4l2_i2c_subdev_init(&sensor->sd, client, &ov5640_subdev_ops); 303419a81c14SSteve Longerbeam 30352d18fbc5SAkinobu Mita sensor->sd.flags |= V4L2_SUBDEV_FL_HAS_DEVNODE | 30362d18fbc5SAkinobu Mita V4L2_SUBDEV_FL_HAS_EVENTS; 303719a81c14SSteve Longerbeam sensor->pad.flags = MEDIA_PAD_FL_SOURCE; 303819a81c14SSteve Longerbeam sensor->sd.entity.function = MEDIA_ENT_F_CAM_SENSOR; 303919a81c14SSteve Longerbeam ret = media_entity_pads_init(&sensor->sd.entity, 1, &sensor->pad); 304019a81c14SSteve Longerbeam if (ret) 304119a81c14SSteve Longerbeam return ret; 304219a81c14SSteve Longerbeam 304319a81c14SSteve Longerbeam ret = ov5640_get_regulators(sensor); 304419a81c14SSteve Longerbeam if (ret) 304519a81c14SSteve Longerbeam return ret; 304619a81c14SSteve Longerbeam 304719a81c14SSteve Longerbeam mutex_init(&sensor->lock); 304819a81c14SSteve Longerbeam 30490f7acb52SHugues Fruchet ret = ov5640_check_chip_id(sensor); 30500f7acb52SHugues Fruchet if (ret) 30510f7acb52SHugues Fruchet goto entity_cleanup; 30520f7acb52SHugues Fruchet 305319a81c14SSteve Longerbeam ret = ov5640_init_controls(sensor); 305419a81c14SSteve Longerbeam if (ret) 305519a81c14SSteve Longerbeam goto entity_cleanup; 305619a81c14SSteve Longerbeam 30572f1fc5efSLuca Weiss ret = v4l2_async_register_subdev_sensor_common(&sensor->sd); 305819a81c14SSteve Longerbeam if (ret) 305919a81c14SSteve Longerbeam goto free_ctrls; 306019a81c14SSteve Longerbeam 306119a81c14SSteve Longerbeam return 0; 306219a81c14SSteve Longerbeam 306319a81c14SSteve Longerbeam free_ctrls: 306419a81c14SSteve Longerbeam v4l2_ctrl_handler_free(&sensor->ctrls.handler); 306519a81c14SSteve Longerbeam entity_cleanup: 306619a81c14SSteve Longerbeam mutex_destroy(&sensor->lock); 306719a81c14SSteve Longerbeam media_entity_cleanup(&sensor->sd.entity); 306819a81c14SSteve Longerbeam return ret; 306919a81c14SSteve Longerbeam } 307019a81c14SSteve Longerbeam 307119a81c14SSteve Longerbeam static int ov5640_remove(struct i2c_client *client) 307219a81c14SSteve Longerbeam { 307319a81c14SSteve Longerbeam struct v4l2_subdev *sd = i2c_get_clientdata(client); 307419a81c14SSteve Longerbeam struct ov5640_dev *sensor = to_ov5640_dev(sd); 307519a81c14SSteve Longerbeam 307619a81c14SSteve Longerbeam v4l2_async_unregister_subdev(&sensor->sd); 307719a81c14SSteve Longerbeam mutex_destroy(&sensor->lock); 307819a81c14SSteve Longerbeam media_entity_cleanup(&sensor->sd.entity); 307919a81c14SSteve Longerbeam v4l2_ctrl_handler_free(&sensor->ctrls.handler); 308019a81c14SSteve Longerbeam 308119a81c14SSteve Longerbeam return 0; 308219a81c14SSteve Longerbeam } 308319a81c14SSteve Longerbeam 308419a81c14SSteve Longerbeam static const struct i2c_device_id ov5640_id[] = { 308519a81c14SSteve Longerbeam {"ov5640", 0}, 308619a81c14SSteve Longerbeam {}, 308719a81c14SSteve Longerbeam }; 308819a81c14SSteve Longerbeam MODULE_DEVICE_TABLE(i2c, ov5640_id); 308919a81c14SSteve Longerbeam 309019a81c14SSteve Longerbeam static const struct of_device_id ov5640_dt_ids[] = { 309119a81c14SSteve Longerbeam { .compatible = "ovti,ov5640" }, 309219a81c14SSteve Longerbeam { /* sentinel */ } 309319a81c14SSteve Longerbeam }; 309419a81c14SSteve Longerbeam MODULE_DEVICE_TABLE(of, ov5640_dt_ids); 309519a81c14SSteve Longerbeam 309619a81c14SSteve Longerbeam static struct i2c_driver ov5640_i2c_driver = { 309719a81c14SSteve Longerbeam .driver = { 309819a81c14SSteve Longerbeam .name = "ov5640", 309919a81c14SSteve Longerbeam .of_match_table = ov5640_dt_ids, 310019a81c14SSteve Longerbeam }, 310119a81c14SSteve Longerbeam .id_table = ov5640_id, 3102e6714993SKieran Bingham .probe_new = ov5640_probe, 310319a81c14SSteve Longerbeam .remove = ov5640_remove, 310419a81c14SSteve Longerbeam }; 310519a81c14SSteve Longerbeam 310619a81c14SSteve Longerbeam module_i2c_driver(ov5640_i2c_driver); 310719a81c14SSteve Longerbeam 310819a81c14SSteve Longerbeam MODULE_DESCRIPTION("OV5640 MIPI Camera Subdev Driver"); 310919a81c14SSteve Longerbeam MODULE_LICENSE("GPL"); 3110