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; 196cc196e48SBenoit Parrot struct v4l2_ctrl *pixel_rate; 19719a81c14SSteve Longerbeam struct { 19819a81c14SSteve Longerbeam struct v4l2_ctrl *auto_exp; 19919a81c14SSteve Longerbeam struct v4l2_ctrl *exposure; 20019a81c14SSteve Longerbeam }; 20119a81c14SSteve Longerbeam struct { 20219a81c14SSteve Longerbeam struct v4l2_ctrl *auto_wb; 20319a81c14SSteve Longerbeam struct v4l2_ctrl *blue_balance; 20419a81c14SSteve Longerbeam struct v4l2_ctrl *red_balance; 20519a81c14SSteve Longerbeam }; 20619a81c14SSteve Longerbeam struct { 20719a81c14SSteve Longerbeam struct v4l2_ctrl *auto_gain; 20819a81c14SSteve Longerbeam struct v4l2_ctrl *gain; 20919a81c14SSteve Longerbeam }; 21019a81c14SSteve Longerbeam struct v4l2_ctrl *brightness; 2111068fecaSMylène Josserand struct v4l2_ctrl *light_freq; 21219a81c14SSteve Longerbeam struct v4l2_ctrl *saturation; 21319a81c14SSteve Longerbeam struct v4l2_ctrl *contrast; 21419a81c14SSteve Longerbeam struct v4l2_ctrl *hue; 21519a81c14SSteve Longerbeam struct v4l2_ctrl *test_pattern; 216ce85705aSHugues Fruchet struct v4l2_ctrl *hflip; 217ce85705aSHugues Fruchet struct v4l2_ctrl *vflip; 21819a81c14SSteve Longerbeam }; 21919a81c14SSteve Longerbeam 22019a81c14SSteve Longerbeam struct ov5640_dev { 22119a81c14SSteve Longerbeam struct i2c_client *i2c_client; 22219a81c14SSteve Longerbeam struct v4l2_subdev sd; 22319a81c14SSteve Longerbeam struct media_pad pad; 22419a81c14SSteve Longerbeam struct v4l2_fwnode_endpoint ep; /* the parsed DT endpoint info */ 22519a81c14SSteve Longerbeam struct clk *xclk; /* system clock to OV5640 */ 22619a81c14SSteve Longerbeam u32 xclk_freq; 22719a81c14SSteve Longerbeam 22819a81c14SSteve Longerbeam struct regulator_bulk_data supplies[OV5640_NUM_SUPPLIES]; 22919a81c14SSteve Longerbeam struct gpio_desc *reset_gpio; 23019a81c14SSteve Longerbeam struct gpio_desc *pwdn_gpio; 231c3f3ba3eSHugues Fruchet bool upside_down; 23219a81c14SSteve Longerbeam 23319a81c14SSteve Longerbeam /* lock to protect all members below */ 23419a81c14SSteve Longerbeam struct mutex lock; 23519a81c14SSteve Longerbeam 23619a81c14SSteve Longerbeam int power_count; 23719a81c14SSteve Longerbeam 23819a81c14SSteve Longerbeam struct v4l2_mbus_framefmt fmt; 239fb98e29fSHugues Fruchet bool pending_fmt_change; 24019a81c14SSteve Longerbeam 24119a81c14SSteve Longerbeam const struct ov5640_mode_info *current_mode; 242985cdcb0SHugues Fruchet const struct ov5640_mode_info *last_mode; 24319a81c14SSteve Longerbeam enum ov5640_frame_rate current_fr; 24419a81c14SSteve Longerbeam struct v4l2_fract frame_interval; 24519a81c14SSteve Longerbeam 24619a81c14SSteve Longerbeam struct ov5640_ctrls ctrls; 24719a81c14SSteve Longerbeam 24819a81c14SSteve Longerbeam u32 prev_sysclk, prev_hts; 24919a81c14SSteve Longerbeam u32 ae_low, ae_high, ae_target; 25019a81c14SSteve Longerbeam 25119a81c14SSteve Longerbeam bool pending_mode_change; 25219a81c14SSteve Longerbeam bool streaming; 25319a81c14SSteve Longerbeam }; 25419a81c14SSteve Longerbeam 25519a81c14SSteve Longerbeam static inline struct ov5640_dev *to_ov5640_dev(struct v4l2_subdev *sd) 25619a81c14SSteve Longerbeam { 25719a81c14SSteve Longerbeam return container_of(sd, struct ov5640_dev, sd); 25819a81c14SSteve Longerbeam } 25919a81c14SSteve Longerbeam 26019a81c14SSteve Longerbeam static inline struct v4l2_subdev *ctrl_to_sd(struct v4l2_ctrl *ctrl) 26119a81c14SSteve Longerbeam { 26219a81c14SSteve Longerbeam return &container_of(ctrl->handler, struct ov5640_dev, 26319a81c14SSteve Longerbeam ctrls.handler)->sd; 26419a81c14SSteve Longerbeam } 26519a81c14SSteve Longerbeam 26619a81c14SSteve Longerbeam /* 26719a81c14SSteve Longerbeam * FIXME: all of these register tables are likely filled with 26819a81c14SSteve Longerbeam * entries that set the register to their power-on default values, 26919a81c14SSteve Longerbeam * and which are otherwise not touched by this driver. Those entries 27019a81c14SSteve Longerbeam * should be identified and removed to speed register load time 27119a81c14SSteve Longerbeam * over i2c. 27219a81c14SSteve Longerbeam */ 273fb98e29fSHugues Fruchet /* YUV422 UYVY VGA@30fps */ 27419a81c14SSteve Longerbeam static const struct reg_value ov5640_init_setting_30fps_VGA[] = { 27519a81c14SSteve Longerbeam {0x3103, 0x11, 0, 0}, {0x3008, 0x82, 0, 5}, {0x3008, 0x42, 0, 0}, 27619a81c14SSteve Longerbeam {0x3103, 0x03, 0, 0}, {0x3017, 0x00, 0, 0}, {0x3018, 0x00, 0, 0}, 277c14d107eSMaxime Ripard {0x3630, 0x36, 0, 0}, 27819a81c14SSteve Longerbeam {0x3631, 0x0e, 0, 0}, {0x3632, 0xe2, 0, 0}, {0x3633, 0x12, 0, 0}, 27919a81c14SSteve Longerbeam {0x3621, 0xe0, 0, 0}, {0x3704, 0xa0, 0, 0}, {0x3703, 0x5a, 0, 0}, 28019a81c14SSteve Longerbeam {0x3715, 0x78, 0, 0}, {0x3717, 0x01, 0, 0}, {0x370b, 0x60, 0, 0}, 28119a81c14SSteve Longerbeam {0x3705, 0x1a, 0, 0}, {0x3905, 0x02, 0, 0}, {0x3906, 0x10, 0, 0}, 28219a81c14SSteve Longerbeam {0x3901, 0x0a, 0, 0}, {0x3731, 0x12, 0, 0}, {0x3600, 0x08, 0, 0}, 28319a81c14SSteve Longerbeam {0x3601, 0x33, 0, 0}, {0x302d, 0x60, 0, 0}, {0x3620, 0x52, 0, 0}, 28419a81c14SSteve Longerbeam {0x371b, 0x20, 0, 0}, {0x471c, 0x50, 0, 0}, {0x3a13, 0x43, 0, 0}, 28519a81c14SSteve Longerbeam {0x3a18, 0x00, 0, 0}, {0x3a19, 0xf8, 0, 0}, {0x3635, 0x13, 0, 0}, 28619a81c14SSteve Longerbeam {0x3636, 0x03, 0, 0}, {0x3634, 0x40, 0, 0}, {0x3622, 0x01, 0, 0}, 28719a81c14SSteve Longerbeam {0x3c01, 0xa4, 0, 0}, {0x3c04, 0x28, 0, 0}, {0x3c05, 0x98, 0, 0}, 28819a81c14SSteve Longerbeam {0x3c06, 0x00, 0, 0}, {0x3c07, 0x08, 0, 0}, {0x3c08, 0x00, 0, 0}, 28919a81c14SSteve Longerbeam {0x3c09, 0x1c, 0, 0}, {0x3c0a, 0x9c, 0, 0}, {0x3c0b, 0x40, 0, 0}, 29019a81c14SSteve Longerbeam {0x3820, 0x41, 0, 0}, {0x3821, 0x07, 0, 0}, {0x3814, 0x31, 0, 0}, 29119a81c14SSteve Longerbeam {0x3815, 0x31, 0, 0}, {0x3800, 0x00, 0, 0}, {0x3801, 0x00, 0, 0}, 29219a81c14SSteve Longerbeam {0x3802, 0x00, 0, 0}, {0x3803, 0x04, 0, 0}, {0x3804, 0x0a, 0, 0}, 29319a81c14SSteve Longerbeam {0x3805, 0x3f, 0, 0}, {0x3806, 0x07, 0, 0}, {0x3807, 0x9b, 0, 0}, 294476dec01SMaxime Ripard {0x3810, 0x00, 0, 0}, 29519a81c14SSteve Longerbeam {0x3811, 0x10, 0, 0}, {0x3812, 0x00, 0, 0}, {0x3813, 0x06, 0, 0}, 29619a81c14SSteve Longerbeam {0x3618, 0x00, 0, 0}, {0x3612, 0x29, 0, 0}, {0x3708, 0x64, 0, 0}, 29719a81c14SSteve Longerbeam {0x3709, 0x52, 0, 0}, {0x370c, 0x03, 0, 0}, {0x3a02, 0x03, 0, 0}, 29819a81c14SSteve Longerbeam {0x3a03, 0xd8, 0, 0}, {0x3a08, 0x01, 0, 0}, {0x3a09, 0x27, 0, 0}, 29919a81c14SSteve Longerbeam {0x3a0a, 0x00, 0, 0}, {0x3a0b, 0xf6, 0, 0}, {0x3a0e, 0x03, 0, 0}, 30019a81c14SSteve Longerbeam {0x3a0d, 0x04, 0, 0}, {0x3a14, 0x03, 0, 0}, {0x3a15, 0xd8, 0, 0}, 30119a81c14SSteve Longerbeam {0x4001, 0x02, 0, 0}, {0x4004, 0x02, 0, 0}, {0x3000, 0x00, 0, 0}, 30219a81c14SSteve Longerbeam {0x3002, 0x1c, 0, 0}, {0x3004, 0xff, 0, 0}, {0x3006, 0xc3, 0, 0}, 303aa4bb8b8SJacopo Mondi {0x302e, 0x08, 0, 0}, {0x4300, 0x3f, 0, 0}, 3042b5c18f9SChen-Yu Tsai {0x501f, 0x00, 0, 0}, {0x4407, 0x04, 0, 0}, 30519a81c14SSteve Longerbeam {0x440e, 0x00, 0, 0}, {0x460b, 0x35, 0, 0}, {0x460c, 0x22, 0, 0}, 306aa4bb8b8SJacopo Mondi {0x4837, 0x0a, 0, 0}, {0x3824, 0x02, 0, 0}, 30719a81c14SSteve Longerbeam {0x5000, 0xa7, 0, 0}, {0x5001, 0xa3, 0, 0}, {0x5180, 0xff, 0, 0}, 30819a81c14SSteve Longerbeam {0x5181, 0xf2, 0, 0}, {0x5182, 0x00, 0, 0}, {0x5183, 0x14, 0, 0}, 30919a81c14SSteve Longerbeam {0x5184, 0x25, 0, 0}, {0x5185, 0x24, 0, 0}, {0x5186, 0x09, 0, 0}, 31019a81c14SSteve Longerbeam {0x5187, 0x09, 0, 0}, {0x5188, 0x09, 0, 0}, {0x5189, 0x88, 0, 0}, 31119a81c14SSteve Longerbeam {0x518a, 0x54, 0, 0}, {0x518b, 0xee, 0, 0}, {0x518c, 0xb2, 0, 0}, 31219a81c14SSteve Longerbeam {0x518d, 0x50, 0, 0}, {0x518e, 0x34, 0, 0}, {0x518f, 0x6b, 0, 0}, 31319a81c14SSteve Longerbeam {0x5190, 0x46, 0, 0}, {0x5191, 0xf8, 0, 0}, {0x5192, 0x04, 0, 0}, 31419a81c14SSteve Longerbeam {0x5193, 0x70, 0, 0}, {0x5194, 0xf0, 0, 0}, {0x5195, 0xf0, 0, 0}, 31519a81c14SSteve Longerbeam {0x5196, 0x03, 0, 0}, {0x5197, 0x01, 0, 0}, {0x5198, 0x04, 0, 0}, 31619a81c14SSteve Longerbeam {0x5199, 0x6c, 0, 0}, {0x519a, 0x04, 0, 0}, {0x519b, 0x00, 0, 0}, 31719a81c14SSteve Longerbeam {0x519c, 0x09, 0, 0}, {0x519d, 0x2b, 0, 0}, {0x519e, 0x38, 0, 0}, 31819a81c14SSteve Longerbeam {0x5381, 0x1e, 0, 0}, {0x5382, 0x5b, 0, 0}, {0x5383, 0x08, 0, 0}, 31919a81c14SSteve Longerbeam {0x5384, 0x0a, 0, 0}, {0x5385, 0x7e, 0, 0}, {0x5386, 0x88, 0, 0}, 32019a81c14SSteve Longerbeam {0x5387, 0x7c, 0, 0}, {0x5388, 0x6c, 0, 0}, {0x5389, 0x10, 0, 0}, 32119a81c14SSteve Longerbeam {0x538a, 0x01, 0, 0}, {0x538b, 0x98, 0, 0}, {0x5300, 0x08, 0, 0}, 32219a81c14SSteve Longerbeam {0x5301, 0x30, 0, 0}, {0x5302, 0x10, 0, 0}, {0x5303, 0x00, 0, 0}, 32319a81c14SSteve Longerbeam {0x5304, 0x08, 0, 0}, {0x5305, 0x30, 0, 0}, {0x5306, 0x08, 0, 0}, 32419a81c14SSteve Longerbeam {0x5307, 0x16, 0, 0}, {0x5309, 0x08, 0, 0}, {0x530a, 0x30, 0, 0}, 32519a81c14SSteve Longerbeam {0x530b, 0x04, 0, 0}, {0x530c, 0x06, 0, 0}, {0x5480, 0x01, 0, 0}, 32619a81c14SSteve Longerbeam {0x5481, 0x08, 0, 0}, {0x5482, 0x14, 0, 0}, {0x5483, 0x28, 0, 0}, 32719a81c14SSteve Longerbeam {0x5484, 0x51, 0, 0}, {0x5485, 0x65, 0, 0}, {0x5486, 0x71, 0, 0}, 32819a81c14SSteve Longerbeam {0x5487, 0x7d, 0, 0}, {0x5488, 0x87, 0, 0}, {0x5489, 0x91, 0, 0}, 32919a81c14SSteve Longerbeam {0x548a, 0x9a, 0, 0}, {0x548b, 0xaa, 0, 0}, {0x548c, 0xb8, 0, 0}, 33019a81c14SSteve Longerbeam {0x548d, 0xcd, 0, 0}, {0x548e, 0xdd, 0, 0}, {0x548f, 0xea, 0, 0}, 33119a81c14SSteve Longerbeam {0x5490, 0x1d, 0, 0}, {0x5580, 0x02, 0, 0}, {0x5583, 0x40, 0, 0}, 33219a81c14SSteve Longerbeam {0x5584, 0x10, 0, 0}, {0x5589, 0x10, 0, 0}, {0x558a, 0x00, 0, 0}, 33319a81c14SSteve Longerbeam {0x558b, 0xf8, 0, 0}, {0x5800, 0x23, 0, 0}, {0x5801, 0x14, 0, 0}, 33419a81c14SSteve Longerbeam {0x5802, 0x0f, 0, 0}, {0x5803, 0x0f, 0, 0}, {0x5804, 0x12, 0, 0}, 33519a81c14SSteve Longerbeam {0x5805, 0x26, 0, 0}, {0x5806, 0x0c, 0, 0}, {0x5807, 0x08, 0, 0}, 33619a81c14SSteve Longerbeam {0x5808, 0x05, 0, 0}, {0x5809, 0x05, 0, 0}, {0x580a, 0x08, 0, 0}, 33719a81c14SSteve Longerbeam {0x580b, 0x0d, 0, 0}, {0x580c, 0x08, 0, 0}, {0x580d, 0x03, 0, 0}, 33819a81c14SSteve Longerbeam {0x580e, 0x00, 0, 0}, {0x580f, 0x00, 0, 0}, {0x5810, 0x03, 0, 0}, 33919a81c14SSteve Longerbeam {0x5811, 0x09, 0, 0}, {0x5812, 0x07, 0, 0}, {0x5813, 0x03, 0, 0}, 34019a81c14SSteve Longerbeam {0x5814, 0x00, 0, 0}, {0x5815, 0x01, 0, 0}, {0x5816, 0x03, 0, 0}, 34119a81c14SSteve Longerbeam {0x5817, 0x08, 0, 0}, {0x5818, 0x0d, 0, 0}, {0x5819, 0x08, 0, 0}, 34219a81c14SSteve Longerbeam {0x581a, 0x05, 0, 0}, {0x581b, 0x06, 0, 0}, {0x581c, 0x08, 0, 0}, 34319a81c14SSteve Longerbeam {0x581d, 0x0e, 0, 0}, {0x581e, 0x29, 0, 0}, {0x581f, 0x17, 0, 0}, 34419a81c14SSteve Longerbeam {0x5820, 0x11, 0, 0}, {0x5821, 0x11, 0, 0}, {0x5822, 0x15, 0, 0}, 34519a81c14SSteve Longerbeam {0x5823, 0x28, 0, 0}, {0x5824, 0x46, 0, 0}, {0x5825, 0x26, 0, 0}, 34619a81c14SSteve Longerbeam {0x5826, 0x08, 0, 0}, {0x5827, 0x26, 0, 0}, {0x5828, 0x64, 0, 0}, 34719a81c14SSteve Longerbeam {0x5829, 0x26, 0, 0}, {0x582a, 0x24, 0, 0}, {0x582b, 0x22, 0, 0}, 34819a81c14SSteve Longerbeam {0x582c, 0x24, 0, 0}, {0x582d, 0x24, 0, 0}, {0x582e, 0x06, 0, 0}, 34919a81c14SSteve Longerbeam {0x582f, 0x22, 0, 0}, {0x5830, 0x40, 0, 0}, {0x5831, 0x42, 0, 0}, 35019a81c14SSteve Longerbeam {0x5832, 0x24, 0, 0}, {0x5833, 0x26, 0, 0}, {0x5834, 0x24, 0, 0}, 35119a81c14SSteve Longerbeam {0x5835, 0x22, 0, 0}, {0x5836, 0x22, 0, 0}, {0x5837, 0x26, 0, 0}, 35219a81c14SSteve Longerbeam {0x5838, 0x44, 0, 0}, {0x5839, 0x24, 0, 0}, {0x583a, 0x26, 0, 0}, 35319a81c14SSteve Longerbeam {0x583b, 0x28, 0, 0}, {0x583c, 0x42, 0, 0}, {0x583d, 0xce, 0, 0}, 35419a81c14SSteve Longerbeam {0x5025, 0x00, 0, 0}, {0x3a0f, 0x30, 0, 0}, {0x3a10, 0x28, 0, 0}, 35519a81c14SSteve Longerbeam {0x3a1b, 0x30, 0, 0}, {0x3a1e, 0x26, 0, 0}, {0x3a11, 0x60, 0, 0}, 35619a81c14SSteve Longerbeam {0x3a1f, 0x14, 0, 0}, {0x3008, 0x02, 0, 0}, {0x3c00, 0x04, 0, 300}, 35719a81c14SSteve Longerbeam }; 35819a81c14SSteve Longerbeam 359086c25f8SMaxime Ripard static const struct reg_value ov5640_setting_VGA_640_480[] = { 360c14d107eSMaxime Ripard {0x3c07, 0x08, 0, 0}, 36119a81c14SSteve Longerbeam {0x3c09, 0x1c, 0, 0}, {0x3c0a, 0x9c, 0, 0}, {0x3c0b, 0x40, 0, 0}, 362ce85705aSHugues Fruchet {0x3814, 0x31, 0, 0}, 36319a81c14SSteve Longerbeam {0x3815, 0x31, 0, 0}, {0x3800, 0x00, 0, 0}, {0x3801, 0x00, 0, 0}, 36419a81c14SSteve Longerbeam {0x3802, 0x00, 0, 0}, {0x3803, 0x04, 0, 0}, {0x3804, 0x0a, 0, 0}, 36519a81c14SSteve Longerbeam {0x3805, 0x3f, 0, 0}, {0x3806, 0x07, 0, 0}, {0x3807, 0x9b, 0, 0}, 366476dec01SMaxime Ripard {0x3810, 0x00, 0, 0}, 36719a81c14SSteve Longerbeam {0x3811, 0x10, 0, 0}, {0x3812, 0x00, 0, 0}, {0x3813, 0x06, 0, 0}, 36819a81c14SSteve Longerbeam {0x3618, 0x00, 0, 0}, {0x3612, 0x29, 0, 0}, {0x3708, 0x64, 0, 0}, 36919a81c14SSteve Longerbeam {0x3709, 0x52, 0, 0}, {0x370c, 0x03, 0, 0}, {0x3a02, 0x03, 0, 0}, 37019a81c14SSteve Longerbeam {0x3a03, 0xd8, 0, 0}, {0x3a08, 0x01, 0, 0}, {0x3a09, 0x27, 0, 0}, 37119a81c14SSteve Longerbeam {0x3a0a, 0x00, 0, 0}, {0x3a0b, 0xf6, 0, 0}, {0x3a0e, 0x03, 0, 0}, 37219a81c14SSteve Longerbeam {0x3a0d, 0x04, 0, 0}, {0x3a14, 0x03, 0, 0}, {0x3a15, 0xd8, 0, 0}, 3732b5c18f9SChen-Yu Tsai {0x4001, 0x02, 0, 0}, {0x4004, 0x02, 0, 0}, 37419a81c14SSteve Longerbeam {0x4407, 0x04, 0, 0}, {0x460b, 0x35, 0, 0}, {0x460c, 0x22, 0, 0}, 37519a81c14SSteve Longerbeam {0x3824, 0x02, 0, 0}, {0x5001, 0xa3, 0, 0}, 37619a81c14SSteve Longerbeam }; 37719a81c14SSteve Longerbeam 378086c25f8SMaxime Ripard static const struct reg_value ov5640_setting_XGA_1024_768[] = { 379c14d107eSMaxime Ripard {0x3c07, 0x08, 0, 0}, 38019a81c14SSteve Longerbeam {0x3c09, 0x1c, 0, 0}, {0x3c0a, 0x9c, 0, 0}, {0x3c0b, 0x40, 0, 0}, 381ce85705aSHugues Fruchet {0x3814, 0x31, 0, 0}, 38219a81c14SSteve Longerbeam {0x3815, 0x31, 0, 0}, {0x3800, 0x00, 0, 0}, {0x3801, 0x00, 0, 0}, 38319a81c14SSteve Longerbeam {0x3802, 0x00, 0, 0}, {0x3803, 0x04, 0, 0}, {0x3804, 0x0a, 0, 0}, 38419a81c14SSteve Longerbeam {0x3805, 0x3f, 0, 0}, {0x3806, 0x07, 0, 0}, {0x3807, 0x9b, 0, 0}, 385476dec01SMaxime Ripard {0x3810, 0x00, 0, 0}, 38619a81c14SSteve Longerbeam {0x3811, 0x10, 0, 0}, {0x3812, 0x00, 0, 0}, {0x3813, 0x06, 0, 0}, 38719a81c14SSteve Longerbeam {0x3618, 0x00, 0, 0}, {0x3612, 0x29, 0, 0}, {0x3708, 0x64, 0, 0}, 38819a81c14SSteve Longerbeam {0x3709, 0x52, 0, 0}, {0x370c, 0x03, 0, 0}, {0x3a02, 0x03, 0, 0}, 38919a81c14SSteve Longerbeam {0x3a03, 0xd8, 0, 0}, {0x3a08, 0x01, 0, 0}, {0x3a09, 0x27, 0, 0}, 39019a81c14SSteve Longerbeam {0x3a0a, 0x00, 0, 0}, {0x3a0b, 0xf6, 0, 0}, {0x3a0e, 0x03, 0, 0}, 39119a81c14SSteve Longerbeam {0x3a0d, 0x04, 0, 0}, {0x3a14, 0x03, 0, 0}, {0x3a15, 0xd8, 0, 0}, 3922b5c18f9SChen-Yu Tsai {0x4001, 0x02, 0, 0}, {0x4004, 0x02, 0, 0}, 39319a81c14SSteve Longerbeam {0x4407, 0x04, 0, 0}, {0x460b, 0x35, 0, 0}, {0x460c, 0x22, 0, 0}, 39486633417SMaxime Ripard {0x3824, 0x02, 0, 0}, {0x5001, 0xa3, 0, 0}, 39519a81c14SSteve Longerbeam }; 39619a81c14SSteve Longerbeam 397086c25f8SMaxime Ripard static const struct reg_value ov5640_setting_QVGA_320_240[] = { 398c14d107eSMaxime Ripard {0x3c07, 0x08, 0, 0}, 39919a81c14SSteve Longerbeam {0x3c09, 0x1c, 0, 0}, {0x3c0a, 0x9c, 0, 0}, {0x3c0b, 0x40, 0, 0}, 400ce85705aSHugues Fruchet {0x3814, 0x31, 0, 0}, 40119a81c14SSteve Longerbeam {0x3815, 0x31, 0, 0}, {0x3800, 0x00, 0, 0}, {0x3801, 0x00, 0, 0}, 40219a81c14SSteve Longerbeam {0x3802, 0x00, 0, 0}, {0x3803, 0x04, 0, 0}, {0x3804, 0x0a, 0, 0}, 40319a81c14SSteve Longerbeam {0x3805, 0x3f, 0, 0}, {0x3806, 0x07, 0, 0}, {0x3807, 0x9b, 0, 0}, 404476dec01SMaxime Ripard {0x3810, 0x00, 0, 0}, 40519a81c14SSteve Longerbeam {0x3811, 0x10, 0, 0}, {0x3812, 0x00, 0, 0}, {0x3813, 0x06, 0, 0}, 40619a81c14SSteve Longerbeam {0x3618, 0x00, 0, 0}, {0x3612, 0x29, 0, 0}, {0x3708, 0x64, 0, 0}, 40719a81c14SSteve Longerbeam {0x3709, 0x52, 0, 0}, {0x370c, 0x03, 0, 0}, {0x3a02, 0x03, 0, 0}, 40819a81c14SSteve Longerbeam {0x3a03, 0xd8, 0, 0}, {0x3a08, 0x01, 0, 0}, {0x3a09, 0x27, 0, 0}, 40919a81c14SSteve Longerbeam {0x3a0a, 0x00, 0, 0}, {0x3a0b, 0xf6, 0, 0}, {0x3a0e, 0x03, 0, 0}, 41019a81c14SSteve Longerbeam {0x3a0d, 0x04, 0, 0}, {0x3a14, 0x03, 0, 0}, {0x3a15, 0xd8, 0, 0}, 4112b5c18f9SChen-Yu Tsai {0x4001, 0x02, 0, 0}, {0x4004, 0x02, 0, 0}, 41219a81c14SSteve Longerbeam {0x4407, 0x04, 0, 0}, {0x460b, 0x35, 0, 0}, {0x460c, 0x22, 0, 0}, 41319a81c14SSteve Longerbeam {0x3824, 0x02, 0, 0}, {0x5001, 0xa3, 0, 0}, 41419a81c14SSteve Longerbeam }; 41519a81c14SSteve Longerbeam 416086c25f8SMaxime Ripard static const struct reg_value ov5640_setting_QCIF_176_144[] = { 417c14d107eSMaxime Ripard {0x3c07, 0x08, 0, 0}, 41819a81c14SSteve Longerbeam {0x3c09, 0x1c, 0, 0}, {0x3c0a, 0x9c, 0, 0}, {0x3c0b, 0x40, 0, 0}, 419ce85705aSHugues Fruchet {0x3814, 0x31, 0, 0}, 42019a81c14SSteve Longerbeam {0x3815, 0x31, 0, 0}, {0x3800, 0x00, 0, 0}, {0x3801, 0x00, 0, 0}, 42119a81c14SSteve Longerbeam {0x3802, 0x00, 0, 0}, {0x3803, 0x04, 0, 0}, {0x3804, 0x0a, 0, 0}, 42219a81c14SSteve Longerbeam {0x3805, 0x3f, 0, 0}, {0x3806, 0x07, 0, 0}, {0x3807, 0x9b, 0, 0}, 423476dec01SMaxime Ripard {0x3810, 0x00, 0, 0}, 42419a81c14SSteve Longerbeam {0x3811, 0x10, 0, 0}, {0x3812, 0x00, 0, 0}, {0x3813, 0x06, 0, 0}, 42519a81c14SSteve Longerbeam {0x3618, 0x00, 0, 0}, {0x3612, 0x29, 0, 0}, {0x3708, 0x64, 0, 0}, 42619a81c14SSteve Longerbeam {0x3709, 0x52, 0, 0}, {0x370c, 0x03, 0, 0}, {0x3a02, 0x03, 0, 0}, 42719a81c14SSteve Longerbeam {0x3a03, 0xd8, 0, 0}, {0x3a08, 0x01, 0, 0}, {0x3a09, 0x27, 0, 0}, 42819a81c14SSteve Longerbeam {0x3a0a, 0x00, 0, 0}, {0x3a0b, 0xf6, 0, 0}, {0x3a0e, 0x03, 0, 0}, 42919a81c14SSteve Longerbeam {0x3a0d, 0x04, 0, 0}, {0x3a14, 0x03, 0, 0}, {0x3a15, 0xd8, 0, 0}, 4302b5c18f9SChen-Yu Tsai {0x4001, 0x02, 0, 0}, {0x4004, 0x02, 0, 0}, 43119a81c14SSteve Longerbeam {0x4407, 0x04, 0, 0}, {0x460b, 0x35, 0, 0}, {0x460c, 0x22, 0, 0}, 43219a81c14SSteve Longerbeam {0x3824, 0x02, 0, 0}, {0x5001, 0xa3, 0, 0}, 43319a81c14SSteve Longerbeam }; 43419a81c14SSteve Longerbeam 435086c25f8SMaxime Ripard static const struct reg_value ov5640_setting_NTSC_720_480[] = { 436c14d107eSMaxime Ripard {0x3c07, 0x08, 0, 0}, 43719a81c14SSteve Longerbeam {0x3c09, 0x1c, 0, 0}, {0x3c0a, 0x9c, 0, 0}, {0x3c0b, 0x40, 0, 0}, 438ce85705aSHugues Fruchet {0x3814, 0x31, 0, 0}, 43919a81c14SSteve Longerbeam {0x3815, 0x31, 0, 0}, {0x3800, 0x00, 0, 0}, {0x3801, 0x00, 0, 0}, 44019a81c14SSteve Longerbeam {0x3802, 0x00, 0, 0}, {0x3803, 0x04, 0, 0}, {0x3804, 0x0a, 0, 0}, 44119a81c14SSteve Longerbeam {0x3805, 0x3f, 0, 0}, {0x3806, 0x07, 0, 0}, {0x3807, 0x9b, 0, 0}, 442476dec01SMaxime Ripard {0x3810, 0x00, 0, 0}, 44319a81c14SSteve Longerbeam {0x3811, 0x10, 0, 0}, {0x3812, 0x00, 0, 0}, {0x3813, 0x3c, 0, 0}, 44419a81c14SSteve Longerbeam {0x3618, 0x00, 0, 0}, {0x3612, 0x29, 0, 0}, {0x3708, 0x64, 0, 0}, 44519a81c14SSteve Longerbeam {0x3709, 0x52, 0, 0}, {0x370c, 0x03, 0, 0}, {0x3a02, 0x03, 0, 0}, 44619a81c14SSteve Longerbeam {0x3a03, 0xd8, 0, 0}, {0x3a08, 0x01, 0, 0}, {0x3a09, 0x27, 0, 0}, 44719a81c14SSteve Longerbeam {0x3a0a, 0x00, 0, 0}, {0x3a0b, 0xf6, 0, 0}, {0x3a0e, 0x03, 0, 0}, 44819a81c14SSteve Longerbeam {0x3a0d, 0x04, 0, 0}, {0x3a14, 0x03, 0, 0}, {0x3a15, 0xd8, 0, 0}, 4492b5c18f9SChen-Yu Tsai {0x4001, 0x02, 0, 0}, {0x4004, 0x02, 0, 0}, 45019a81c14SSteve Longerbeam {0x4407, 0x04, 0, 0}, {0x460b, 0x35, 0, 0}, {0x460c, 0x22, 0, 0}, 45119a81c14SSteve Longerbeam {0x3824, 0x02, 0, 0}, {0x5001, 0xa3, 0, 0}, 45219a81c14SSteve Longerbeam }; 45319a81c14SSteve Longerbeam 454086c25f8SMaxime Ripard static const struct reg_value ov5640_setting_PAL_720_576[] = { 455c14d107eSMaxime Ripard {0x3c07, 0x08, 0, 0}, 45619a81c14SSteve Longerbeam {0x3c09, 0x1c, 0, 0}, {0x3c0a, 0x9c, 0, 0}, {0x3c0b, 0x40, 0, 0}, 457ce85705aSHugues Fruchet {0x3814, 0x31, 0, 0}, 45819a81c14SSteve Longerbeam {0x3815, 0x31, 0, 0}, {0x3800, 0x00, 0, 0}, {0x3801, 0x00, 0, 0}, 45919a81c14SSteve Longerbeam {0x3802, 0x00, 0, 0}, {0x3803, 0x04, 0, 0}, {0x3804, 0x0a, 0, 0}, 46019a81c14SSteve Longerbeam {0x3805, 0x3f, 0, 0}, {0x3806, 0x07, 0, 0}, {0x3807, 0x9b, 0, 0}, 461476dec01SMaxime Ripard {0x3810, 0x00, 0, 0}, 46219a81c14SSteve Longerbeam {0x3811, 0x38, 0, 0}, {0x3812, 0x00, 0, 0}, {0x3813, 0x06, 0, 0}, 46319a81c14SSteve Longerbeam {0x3618, 0x00, 0, 0}, {0x3612, 0x29, 0, 0}, {0x3708, 0x64, 0, 0}, 46419a81c14SSteve Longerbeam {0x3709, 0x52, 0, 0}, {0x370c, 0x03, 0, 0}, {0x3a02, 0x03, 0, 0}, 46519a81c14SSteve Longerbeam {0x3a03, 0xd8, 0, 0}, {0x3a08, 0x01, 0, 0}, {0x3a09, 0x27, 0, 0}, 46619a81c14SSteve Longerbeam {0x3a0a, 0x00, 0, 0}, {0x3a0b, 0xf6, 0, 0}, {0x3a0e, 0x03, 0, 0}, 46719a81c14SSteve Longerbeam {0x3a0d, 0x04, 0, 0}, {0x3a14, 0x03, 0, 0}, {0x3a15, 0xd8, 0, 0}, 4682b5c18f9SChen-Yu Tsai {0x4001, 0x02, 0, 0}, {0x4004, 0x02, 0, 0}, 46919a81c14SSteve Longerbeam {0x4407, 0x04, 0, 0}, {0x460b, 0x35, 0, 0}, {0x460c, 0x22, 0, 0}, 47019a81c14SSteve Longerbeam {0x3824, 0x02, 0, 0}, {0x5001, 0xa3, 0, 0}, 47119a81c14SSteve Longerbeam }; 47219a81c14SSteve Longerbeam 473086c25f8SMaxime Ripard static const struct reg_value ov5640_setting_720P_1280_720[] = { 474c14d107eSMaxime Ripard {0x3c07, 0x07, 0, 0}, 47519a81c14SSteve Longerbeam {0x3c09, 0x1c, 0, 0}, {0x3c0a, 0x9c, 0, 0}, {0x3c0b, 0x40, 0, 0}, 476ce85705aSHugues Fruchet {0x3814, 0x31, 0, 0}, 47719a81c14SSteve Longerbeam {0x3815, 0x31, 0, 0}, {0x3800, 0x00, 0, 0}, {0x3801, 0x00, 0, 0}, 47819a81c14SSteve Longerbeam {0x3802, 0x00, 0, 0}, {0x3803, 0xfa, 0, 0}, {0x3804, 0x0a, 0, 0}, 47919a81c14SSteve Longerbeam {0x3805, 0x3f, 0, 0}, {0x3806, 0x06, 0, 0}, {0x3807, 0xa9, 0, 0}, 480476dec01SMaxime Ripard {0x3810, 0x00, 0, 0}, 48119a81c14SSteve Longerbeam {0x3811, 0x10, 0, 0}, {0x3812, 0x00, 0, 0}, {0x3813, 0x04, 0, 0}, 48219a81c14SSteve Longerbeam {0x3618, 0x00, 0, 0}, {0x3612, 0x29, 0, 0}, {0x3708, 0x64, 0, 0}, 48319a81c14SSteve Longerbeam {0x3709, 0x52, 0, 0}, {0x370c, 0x03, 0, 0}, {0x3a02, 0x02, 0, 0}, 48419a81c14SSteve Longerbeam {0x3a03, 0xe4, 0, 0}, {0x3a08, 0x01, 0, 0}, {0x3a09, 0xbc, 0, 0}, 48519a81c14SSteve Longerbeam {0x3a0a, 0x01, 0, 0}, {0x3a0b, 0x72, 0, 0}, {0x3a0e, 0x01, 0, 0}, 48619a81c14SSteve Longerbeam {0x3a0d, 0x02, 0, 0}, {0x3a14, 0x02, 0, 0}, {0x3a15, 0xe4, 0, 0}, 4872b5c18f9SChen-Yu Tsai {0x4001, 0x02, 0, 0}, {0x4004, 0x02, 0, 0}, 48819a81c14SSteve Longerbeam {0x4407, 0x04, 0, 0}, {0x460b, 0x37, 0, 0}, {0x460c, 0x20, 0, 0}, 48919a81c14SSteve Longerbeam {0x3824, 0x04, 0, 0}, {0x5001, 0x83, 0, 0}, 49019a81c14SSteve Longerbeam }; 49119a81c14SSteve Longerbeam 492086c25f8SMaxime Ripard static const struct reg_value ov5640_setting_1080P_1920_1080[] = { 49319a81c14SSteve Longerbeam {0x3008, 0x42, 0, 0}, 494c14d107eSMaxime Ripard {0x3c07, 0x08, 0, 0}, 49519a81c14SSteve Longerbeam {0x3c09, 0x1c, 0, 0}, {0x3c0a, 0x9c, 0, 0}, {0x3c0b, 0x40, 0, 0}, 496ce85705aSHugues Fruchet {0x3814, 0x11, 0, 0}, 49719a81c14SSteve Longerbeam {0x3815, 0x11, 0, 0}, {0x3800, 0x00, 0, 0}, {0x3801, 0x00, 0, 0}, 49819a81c14SSteve Longerbeam {0x3802, 0x00, 0, 0}, {0x3803, 0x00, 0, 0}, {0x3804, 0x0a, 0, 0}, 49919a81c14SSteve Longerbeam {0x3805, 0x3f, 0, 0}, {0x3806, 0x07, 0, 0}, {0x3807, 0x9f, 0, 0}, 500476dec01SMaxime Ripard {0x3810, 0x00, 0, 0}, 50119a81c14SSteve Longerbeam {0x3811, 0x10, 0, 0}, {0x3812, 0x00, 0, 0}, {0x3813, 0x04, 0, 0}, 50219a81c14SSteve Longerbeam {0x3618, 0x04, 0, 0}, {0x3612, 0x29, 0, 0}, {0x3708, 0x21, 0, 0}, 50319a81c14SSteve Longerbeam {0x3709, 0x12, 0, 0}, {0x370c, 0x00, 0, 0}, {0x3a02, 0x03, 0, 0}, 50419a81c14SSteve Longerbeam {0x3a03, 0xd8, 0, 0}, {0x3a08, 0x01, 0, 0}, {0x3a09, 0x27, 0, 0}, 50519a81c14SSteve Longerbeam {0x3a0a, 0x00, 0, 0}, {0x3a0b, 0xf6, 0, 0}, {0x3a0e, 0x03, 0, 0}, 50619a81c14SSteve Longerbeam {0x3a0d, 0x04, 0, 0}, {0x3a14, 0x03, 0, 0}, {0x3a15, 0xd8, 0, 0}, 5072b5c18f9SChen-Yu Tsai {0x4001, 0x02, 0, 0}, {0x4004, 0x06, 0, 0}, 50819a81c14SSteve Longerbeam {0x4407, 0x04, 0, 0}, {0x460b, 0x35, 0, 0}, {0x460c, 0x22, 0, 0}, 509c14d107eSMaxime Ripard {0x3824, 0x02, 0, 0}, {0x5001, 0x83, 0, 0}, 510c14d107eSMaxime Ripard {0x3c07, 0x07, 0, 0}, {0x3c08, 0x00, 0, 0}, 51119a81c14SSteve Longerbeam {0x3c09, 0x1c, 0, 0}, {0x3c0a, 0x9c, 0, 0}, {0x3c0b, 0x40, 0, 0}, 51219a81c14SSteve Longerbeam {0x3800, 0x01, 0, 0}, {0x3801, 0x50, 0, 0}, {0x3802, 0x01, 0, 0}, 51319a81c14SSteve Longerbeam {0x3803, 0xb2, 0, 0}, {0x3804, 0x08, 0, 0}, {0x3805, 0xef, 0, 0}, 51486633417SMaxime Ripard {0x3806, 0x05, 0, 0}, {0x3807, 0xf1, 0, 0}, 515476dec01SMaxime Ripard {0x3612, 0x2b, 0, 0}, {0x3708, 0x64, 0, 0}, 51619a81c14SSteve Longerbeam {0x3a02, 0x04, 0, 0}, {0x3a03, 0x60, 0, 0}, {0x3a08, 0x01, 0, 0}, 51719a81c14SSteve Longerbeam {0x3a09, 0x50, 0, 0}, {0x3a0a, 0x01, 0, 0}, {0x3a0b, 0x18, 0, 0}, 51819a81c14SSteve Longerbeam {0x3a0e, 0x03, 0, 0}, {0x3a0d, 0x04, 0, 0}, {0x3a14, 0x04, 0, 0}, 5192b5c18f9SChen-Yu Tsai {0x3a15, 0x60, 0, 0}, {0x4407, 0x04, 0, 0}, 52019a81c14SSteve Longerbeam {0x460b, 0x37, 0, 0}, {0x460c, 0x20, 0, 0}, {0x3824, 0x04, 0, 0}, 5211da3afb5SMaxime Ripard {0x4005, 0x1a, 0, 0}, {0x3008, 0x02, 0, 0}, 52219a81c14SSteve Longerbeam }; 52319a81c14SSteve Longerbeam 524086c25f8SMaxime Ripard static const struct reg_value ov5640_setting_QSXGA_2592_1944[] = { 525c14d107eSMaxime Ripard {0x3c07, 0x08, 0, 0}, 52619a81c14SSteve Longerbeam {0x3c09, 0x1c, 0, 0}, {0x3c0a, 0x9c, 0, 0}, {0x3c0b, 0x40, 0, 0}, 527ce85705aSHugues Fruchet {0x3814, 0x11, 0, 0}, 52819a81c14SSteve Longerbeam {0x3815, 0x11, 0, 0}, {0x3800, 0x00, 0, 0}, {0x3801, 0x00, 0, 0}, 52919a81c14SSteve Longerbeam {0x3802, 0x00, 0, 0}, {0x3803, 0x00, 0, 0}, {0x3804, 0x0a, 0, 0}, 53019a81c14SSteve Longerbeam {0x3805, 0x3f, 0, 0}, {0x3806, 0x07, 0, 0}, {0x3807, 0x9f, 0, 0}, 531476dec01SMaxime Ripard {0x3810, 0x00, 0, 0}, 53219a81c14SSteve Longerbeam {0x3811, 0x10, 0, 0}, {0x3812, 0x00, 0, 0}, {0x3813, 0x04, 0, 0}, 53319a81c14SSteve Longerbeam {0x3618, 0x04, 0, 0}, {0x3612, 0x29, 0, 0}, {0x3708, 0x21, 0, 0}, 53419a81c14SSteve Longerbeam {0x3709, 0x12, 0, 0}, {0x370c, 0x00, 0, 0}, {0x3a02, 0x03, 0, 0}, 53519a81c14SSteve Longerbeam {0x3a03, 0xd8, 0, 0}, {0x3a08, 0x01, 0, 0}, {0x3a09, 0x27, 0, 0}, 53619a81c14SSteve Longerbeam {0x3a0a, 0x00, 0, 0}, {0x3a0b, 0xf6, 0, 0}, {0x3a0e, 0x03, 0, 0}, 53719a81c14SSteve Longerbeam {0x3a0d, 0x04, 0, 0}, {0x3a14, 0x03, 0, 0}, {0x3a15, 0xd8, 0, 0}, 5382b5c18f9SChen-Yu Tsai {0x4001, 0x02, 0, 0}, {0x4004, 0x06, 0, 0}, 53919a81c14SSteve Longerbeam {0x4407, 0x04, 0, 0}, {0x460b, 0x35, 0, 0}, {0x460c, 0x22, 0, 0}, 54019a81c14SSteve Longerbeam {0x3824, 0x02, 0, 0}, {0x5001, 0x83, 0, 70}, 54119a81c14SSteve Longerbeam }; 54219a81c14SSteve Longerbeam 54319a81c14SSteve Longerbeam /* power-on sensor init reg table */ 54419a81c14SSteve Longerbeam static const struct ov5640_mode_info ov5640_mode_init_data = { 545476dec01SMaxime Ripard 0, SUBSAMPLING, 640, 1896, 480, 984, 546476dec01SMaxime Ripard ov5640_init_setting_30fps_VGA, 54719a81c14SSteve Longerbeam ARRAY_SIZE(ov5640_init_setting_30fps_VGA), 54819a81c14SSteve Longerbeam }; 54919a81c14SSteve Longerbeam 55019a81c14SSteve Longerbeam static const struct ov5640_mode_info 551086c25f8SMaxime Ripard ov5640_mode_data[OV5640_NUM_MODES] = { 552476dec01SMaxime Ripard {OV5640_MODE_QCIF_176_144, SUBSAMPLING, 553476dec01SMaxime Ripard 176, 1896, 144, 984, 554086c25f8SMaxime Ripard ov5640_setting_QCIF_176_144, 555086c25f8SMaxime Ripard ARRAY_SIZE(ov5640_setting_QCIF_176_144)}, 556476dec01SMaxime Ripard {OV5640_MODE_QVGA_320_240, SUBSAMPLING, 557476dec01SMaxime Ripard 320, 1896, 240, 984, 558086c25f8SMaxime Ripard ov5640_setting_QVGA_320_240, 559086c25f8SMaxime Ripard ARRAY_SIZE(ov5640_setting_QVGA_320_240)}, 560476dec01SMaxime Ripard {OV5640_MODE_VGA_640_480, SUBSAMPLING, 561476dec01SMaxime Ripard 640, 1896, 480, 1080, 562086c25f8SMaxime Ripard ov5640_setting_VGA_640_480, 563086c25f8SMaxime Ripard ARRAY_SIZE(ov5640_setting_VGA_640_480)}, 564476dec01SMaxime Ripard {OV5640_MODE_NTSC_720_480, SUBSAMPLING, 565476dec01SMaxime Ripard 720, 1896, 480, 984, 566086c25f8SMaxime Ripard ov5640_setting_NTSC_720_480, 567086c25f8SMaxime Ripard ARRAY_SIZE(ov5640_setting_NTSC_720_480)}, 568476dec01SMaxime Ripard {OV5640_MODE_PAL_720_576, SUBSAMPLING, 569476dec01SMaxime Ripard 720, 1896, 576, 984, 570086c25f8SMaxime Ripard ov5640_setting_PAL_720_576, 571086c25f8SMaxime Ripard ARRAY_SIZE(ov5640_setting_PAL_720_576)}, 572476dec01SMaxime Ripard {OV5640_MODE_XGA_1024_768, SUBSAMPLING, 573476dec01SMaxime Ripard 1024, 1896, 768, 1080, 574086c25f8SMaxime Ripard ov5640_setting_XGA_1024_768, 575086c25f8SMaxime Ripard ARRAY_SIZE(ov5640_setting_XGA_1024_768)}, 576476dec01SMaxime Ripard {OV5640_MODE_720P_1280_720, SUBSAMPLING, 577476dec01SMaxime Ripard 1280, 1892, 720, 740, 578086c25f8SMaxime Ripard ov5640_setting_720P_1280_720, 579086c25f8SMaxime Ripard ARRAY_SIZE(ov5640_setting_720P_1280_720)}, 580476dec01SMaxime Ripard {OV5640_MODE_1080P_1920_1080, SCALING, 581476dec01SMaxime Ripard 1920, 2500, 1080, 1120, 582086c25f8SMaxime Ripard ov5640_setting_1080P_1920_1080, 583086c25f8SMaxime Ripard ARRAY_SIZE(ov5640_setting_1080P_1920_1080)}, 584476dec01SMaxime Ripard {OV5640_MODE_QSXGA_2592_1944, SCALING, 585476dec01SMaxime Ripard 2592, 2844, 1944, 1968, 586086c25f8SMaxime Ripard ov5640_setting_QSXGA_2592_1944, 587086c25f8SMaxime Ripard ARRAY_SIZE(ov5640_setting_QSXGA_2592_1944)}, 58819a81c14SSteve Longerbeam }; 58919a81c14SSteve Longerbeam 59019a81c14SSteve Longerbeam static int ov5640_init_slave_id(struct ov5640_dev *sensor) 59119a81c14SSteve Longerbeam { 59219a81c14SSteve Longerbeam struct i2c_client *client = sensor->i2c_client; 59319a81c14SSteve Longerbeam struct i2c_msg msg; 59419a81c14SSteve Longerbeam u8 buf[3]; 59519a81c14SSteve Longerbeam int ret; 59619a81c14SSteve Longerbeam 59719a81c14SSteve Longerbeam if (client->addr == OV5640_DEFAULT_SLAVE_ID) 59819a81c14SSteve Longerbeam return 0; 59919a81c14SSteve Longerbeam 60019a81c14SSteve Longerbeam buf[0] = OV5640_REG_SLAVE_ID >> 8; 60119a81c14SSteve Longerbeam buf[1] = OV5640_REG_SLAVE_ID & 0xff; 60219a81c14SSteve Longerbeam buf[2] = client->addr << 1; 60319a81c14SSteve Longerbeam 60419a81c14SSteve Longerbeam msg.addr = OV5640_DEFAULT_SLAVE_ID; 60519a81c14SSteve Longerbeam msg.flags = 0; 60619a81c14SSteve Longerbeam msg.buf = buf; 60719a81c14SSteve Longerbeam msg.len = sizeof(buf); 60819a81c14SSteve Longerbeam 60919a81c14SSteve Longerbeam ret = i2c_transfer(client->adapter, &msg, 1); 61019a81c14SSteve Longerbeam if (ret < 0) { 61119a81c14SSteve Longerbeam dev_err(&client->dev, "%s: failed with %d\n", __func__, ret); 61219a81c14SSteve Longerbeam return ret; 61319a81c14SSteve Longerbeam } 61419a81c14SSteve Longerbeam 61519a81c14SSteve Longerbeam return 0; 61619a81c14SSteve Longerbeam } 61719a81c14SSteve Longerbeam 61819a81c14SSteve Longerbeam static int ov5640_write_reg(struct ov5640_dev *sensor, u16 reg, u8 val) 61919a81c14SSteve Longerbeam { 62019a81c14SSteve Longerbeam struct i2c_client *client = sensor->i2c_client; 62119a81c14SSteve Longerbeam struct i2c_msg msg; 62219a81c14SSteve Longerbeam u8 buf[3]; 62319a81c14SSteve Longerbeam int ret; 62419a81c14SSteve Longerbeam 62519a81c14SSteve Longerbeam buf[0] = reg >> 8; 62619a81c14SSteve Longerbeam buf[1] = reg & 0xff; 62719a81c14SSteve Longerbeam buf[2] = val; 62819a81c14SSteve Longerbeam 62919a81c14SSteve Longerbeam msg.addr = client->addr; 63019a81c14SSteve Longerbeam msg.flags = client->flags; 63119a81c14SSteve Longerbeam msg.buf = buf; 63219a81c14SSteve Longerbeam msg.len = sizeof(buf); 63319a81c14SSteve Longerbeam 63419a81c14SSteve Longerbeam ret = i2c_transfer(client->adapter, &msg, 1); 63519a81c14SSteve Longerbeam if (ret < 0) { 6363924c623SHugues Fruchet dev_err(&client->dev, "%s: error: reg=%x, val=%x\n", 63719a81c14SSteve Longerbeam __func__, reg, val); 63819a81c14SSteve Longerbeam return ret; 63919a81c14SSteve Longerbeam } 64019a81c14SSteve Longerbeam 64119a81c14SSteve Longerbeam return 0; 64219a81c14SSteve Longerbeam } 64319a81c14SSteve Longerbeam 64419a81c14SSteve Longerbeam static int ov5640_read_reg(struct ov5640_dev *sensor, u16 reg, u8 *val) 64519a81c14SSteve Longerbeam { 64619a81c14SSteve Longerbeam struct i2c_client *client = sensor->i2c_client; 64719a81c14SSteve Longerbeam struct i2c_msg msg[2]; 64819a81c14SSteve Longerbeam u8 buf[2]; 64919a81c14SSteve Longerbeam int ret; 65019a81c14SSteve Longerbeam 65119a81c14SSteve Longerbeam buf[0] = reg >> 8; 65219a81c14SSteve Longerbeam buf[1] = reg & 0xff; 65319a81c14SSteve Longerbeam 65419a81c14SSteve Longerbeam msg[0].addr = client->addr; 65519a81c14SSteve Longerbeam msg[0].flags = client->flags; 65619a81c14SSteve Longerbeam msg[0].buf = buf; 65719a81c14SSteve Longerbeam msg[0].len = sizeof(buf); 65819a81c14SSteve Longerbeam 65919a81c14SSteve Longerbeam msg[1].addr = client->addr; 66019a81c14SSteve Longerbeam msg[1].flags = client->flags | I2C_M_RD; 66119a81c14SSteve Longerbeam msg[1].buf = buf; 66219a81c14SSteve Longerbeam msg[1].len = 1; 66319a81c14SSteve Longerbeam 66419a81c14SSteve Longerbeam ret = i2c_transfer(client->adapter, msg, 2); 6653924c623SHugues Fruchet if (ret < 0) { 6663924c623SHugues Fruchet dev_err(&client->dev, "%s: error: reg=%x\n", 6673924c623SHugues Fruchet __func__, reg); 66819a81c14SSteve Longerbeam return ret; 6693924c623SHugues Fruchet } 67019a81c14SSteve Longerbeam 67119a81c14SSteve Longerbeam *val = buf[0]; 67219a81c14SSteve Longerbeam return 0; 67319a81c14SSteve Longerbeam } 67419a81c14SSteve Longerbeam 67519a81c14SSteve Longerbeam static int ov5640_read_reg16(struct ov5640_dev *sensor, u16 reg, u16 *val) 67619a81c14SSteve Longerbeam { 67719a81c14SSteve Longerbeam u8 hi, lo; 67819a81c14SSteve Longerbeam int ret; 67919a81c14SSteve Longerbeam 68019a81c14SSteve Longerbeam ret = ov5640_read_reg(sensor, reg, &hi); 68119a81c14SSteve Longerbeam if (ret) 68219a81c14SSteve Longerbeam return ret; 68319a81c14SSteve Longerbeam ret = ov5640_read_reg(sensor, reg + 1, &lo); 68419a81c14SSteve Longerbeam if (ret) 68519a81c14SSteve Longerbeam return ret; 68619a81c14SSteve Longerbeam 68719a81c14SSteve Longerbeam *val = ((u16)hi << 8) | (u16)lo; 68819a81c14SSteve Longerbeam return 0; 68919a81c14SSteve Longerbeam } 69019a81c14SSteve Longerbeam 69119a81c14SSteve Longerbeam static int ov5640_write_reg16(struct ov5640_dev *sensor, u16 reg, u16 val) 69219a81c14SSteve Longerbeam { 69319a81c14SSteve Longerbeam int ret; 69419a81c14SSteve Longerbeam 69519a81c14SSteve Longerbeam ret = ov5640_write_reg(sensor, reg, val >> 8); 69619a81c14SSteve Longerbeam if (ret) 69719a81c14SSteve Longerbeam return ret; 69819a81c14SSteve Longerbeam 69919a81c14SSteve Longerbeam return ov5640_write_reg(sensor, reg + 1, val & 0xff); 70019a81c14SSteve Longerbeam } 70119a81c14SSteve Longerbeam 70219a81c14SSteve Longerbeam static int ov5640_mod_reg(struct ov5640_dev *sensor, u16 reg, 70319a81c14SSteve Longerbeam u8 mask, u8 val) 70419a81c14SSteve Longerbeam { 70519a81c14SSteve Longerbeam u8 readval; 70619a81c14SSteve Longerbeam int ret; 70719a81c14SSteve Longerbeam 70819a81c14SSteve Longerbeam ret = ov5640_read_reg(sensor, reg, &readval); 70919a81c14SSteve Longerbeam if (ret) 71019a81c14SSteve Longerbeam return ret; 71119a81c14SSteve Longerbeam 71219a81c14SSteve Longerbeam readval &= ~mask; 71319a81c14SSteve Longerbeam val &= mask; 71419a81c14SSteve Longerbeam val |= readval; 71519a81c14SSteve Longerbeam 71619a81c14SSteve Longerbeam return ov5640_write_reg(sensor, reg, val); 71719a81c14SSteve Longerbeam } 71819a81c14SSteve Longerbeam 719aa288248SMaxime Ripard /* 720aa288248SMaxime Ripard * After trying the various combinations, reading various 721f8a7647dSMauro Carvalho Chehab * documentations spread around the net, and from the various 722aa288248SMaxime Ripard * feedback, the clock tree is probably as follows: 723aa288248SMaxime Ripard * 724aa288248SMaxime Ripard * +--------------+ 725aa288248SMaxime Ripard * | Ext. Clock | 726aa288248SMaxime Ripard * +-+------------+ 727aa288248SMaxime Ripard * | +----------+ 728aa288248SMaxime Ripard * +->| PLL1 | - reg 0x3036, for the multiplier 729aa288248SMaxime Ripard * +-+--------+ - reg 0x3037, bits 0-3 for the pre-divider 730aa288248SMaxime Ripard * | +--------------+ 731aa288248SMaxime Ripard * +->| System Clock | - reg 0x3035, bits 4-7 732aa288248SMaxime Ripard * +-+------------+ 733aa288248SMaxime Ripard * | +--------------+ 734aa288248SMaxime Ripard * +->| MIPI Divider | - reg 0x3035, bits 0-3 735aa288248SMaxime Ripard * | +-+------------+ 736aa288248SMaxime Ripard * | +----------------> MIPI SCLK 737aa288248SMaxime Ripard * | + +-----+ 738aa288248SMaxime Ripard * | +->| / 2 |-------> MIPI BIT CLK 739aa288248SMaxime Ripard * | +-----+ 740aa288248SMaxime Ripard * | +--------------+ 741aa288248SMaxime Ripard * +->| PLL Root Div | - reg 0x3037, bit 4 742aa288248SMaxime Ripard * +-+------------+ 743aa288248SMaxime Ripard * | +---------+ 744aa288248SMaxime Ripard * +->| Bit Div | - reg 0x3035, bits 0-3 745aa288248SMaxime Ripard * +-+-------+ 746aa288248SMaxime Ripard * | +-------------+ 747aa288248SMaxime Ripard * +->| SCLK Div | - reg 0x3108, bits 0-1 748aa288248SMaxime Ripard * | +-+-----------+ 749aa288248SMaxime Ripard * | +---------------> SCLK 750aa288248SMaxime Ripard * | +-------------+ 751aa288248SMaxime Ripard * +->| SCLK 2X Div | - reg 0x3108, bits 2-3 752aa288248SMaxime Ripard * | +-+-----------+ 753aa288248SMaxime Ripard * | +---------------> SCLK 2X 754aa288248SMaxime Ripard * | +-------------+ 755aa288248SMaxime Ripard * +->| PCLK Div | - reg 0x3108, bits 4-5 756aa288248SMaxime Ripard * ++------------+ 757aa288248SMaxime Ripard * + +-----------+ 758aa288248SMaxime Ripard * +->| P_DIV | - reg 0x3035, bits 0-3 759aa288248SMaxime Ripard * +-----+-----+ 760aa288248SMaxime Ripard * +------------> PCLK 761aa288248SMaxime Ripard * 762aa288248SMaxime Ripard * This is deviating from the datasheet at least for the register 763aa288248SMaxime Ripard * 0x3108, since it's said here that the PCLK would be clocked from 764aa288248SMaxime Ripard * the PLL. 765aa288248SMaxime Ripard * 766aa288248SMaxime Ripard * There seems to be also (unverified) constraints: 767aa288248SMaxime Ripard * - the PLL pre-divider output rate should be in the 4-27MHz range 768aa288248SMaxime Ripard * - the PLL multiplier output rate should be in the 500-1000MHz range 769aa288248SMaxime Ripard * - PCLK >= SCLK * 2 in YUV, >= SCLK in Raw or JPEG 770aa288248SMaxime Ripard * 771aa288248SMaxime Ripard * In the two latter cases, these constraints are met since our 772aa288248SMaxime Ripard * factors are hardcoded. If we were to change that, we would need to 773aa288248SMaxime Ripard * take this into account. The only varying parts are the PLL 774aa288248SMaxime Ripard * multiplier and the system clock divider, which are shared between 775aa288248SMaxime Ripard * all these clocks so won't cause any issue. 776aa288248SMaxime Ripard */ 777aa288248SMaxime Ripard 778aa288248SMaxime Ripard /* 779aa288248SMaxime Ripard * This is supposed to be ranging from 1 to 8, but the value is always 780aa288248SMaxime Ripard * set to 3 in the vendor kernels. 781aa288248SMaxime Ripard */ 782aa288248SMaxime Ripard #define OV5640_PLL_PREDIV 3 783aa288248SMaxime Ripard 784aa288248SMaxime Ripard #define OV5640_PLL_MULT_MIN 4 785aa288248SMaxime Ripard #define OV5640_PLL_MULT_MAX 252 786aa288248SMaxime Ripard 787aa288248SMaxime Ripard /* 788aa288248SMaxime Ripard * This is supposed to be ranging from 1 to 16, but the value is 789aa288248SMaxime Ripard * always set to either 1 or 2 in the vendor kernels. 790aa288248SMaxime Ripard */ 791aa288248SMaxime Ripard #define OV5640_SYSDIV_MIN 1 792aa288248SMaxime Ripard #define OV5640_SYSDIV_MAX 16 793aa288248SMaxime Ripard 794aa288248SMaxime Ripard /* 795aa288248SMaxime Ripard * Hardcode these values for scaler and non-scaler modes. 796aa288248SMaxime Ripard * FIXME: to be re-calcualted for 1 data lanes setups 797aa288248SMaxime Ripard */ 798aa288248SMaxime Ripard #define OV5640_MIPI_DIV_PCLK 2 799aa288248SMaxime Ripard #define OV5640_MIPI_DIV_SCLK 1 800aa288248SMaxime Ripard 801aa288248SMaxime Ripard /* 802aa288248SMaxime Ripard * This is supposed to be ranging from 1 to 2, but the value is always 803aa288248SMaxime Ripard * set to 2 in the vendor kernels. 804aa288248SMaxime Ripard */ 805aa288248SMaxime Ripard #define OV5640_PLL_ROOT_DIV 2 806aa288248SMaxime Ripard #define OV5640_PLL_CTRL3_PLL_ROOT_DIV_2 BIT(4) 807aa288248SMaxime Ripard 808aa288248SMaxime Ripard /* 809aa288248SMaxime Ripard * We only supports 8-bit formats at the moment 810aa288248SMaxime Ripard */ 811aa288248SMaxime Ripard #define OV5640_BIT_DIV 2 812aa288248SMaxime Ripard #define OV5640_PLL_CTRL0_MIPI_MODE_8BIT 0x08 813aa288248SMaxime Ripard 814aa288248SMaxime Ripard /* 815aa288248SMaxime Ripard * This is supposed to be ranging from 1 to 8, but the value is always 816aa288248SMaxime Ripard * set to 2 in the vendor kernels. 817aa288248SMaxime Ripard */ 818aa288248SMaxime Ripard #define OV5640_SCLK_ROOT_DIV 2 819aa288248SMaxime Ripard 820aa288248SMaxime Ripard /* 821aa288248SMaxime Ripard * This is hardcoded so that the consistency is maintained between SCLK and 822aa288248SMaxime Ripard * SCLK 2x. 823aa288248SMaxime Ripard */ 824aa288248SMaxime Ripard #define OV5640_SCLK2X_ROOT_DIV (OV5640_SCLK_ROOT_DIV / 2) 825aa288248SMaxime Ripard 826aa288248SMaxime Ripard /* 827aa288248SMaxime Ripard * This is supposed to be ranging from 1 to 8, but the value is always 828aa288248SMaxime Ripard * set to 1 in the vendor kernels. 829aa288248SMaxime Ripard */ 830aa288248SMaxime Ripard #define OV5640_PCLK_ROOT_DIV 1 831aa288248SMaxime Ripard #define OV5640_PLL_SYS_ROOT_DIVIDER_BYPASS 0x00 832aa288248SMaxime Ripard 833aa288248SMaxime Ripard static unsigned long ov5640_compute_sys_clk(struct ov5640_dev *sensor, 834aa288248SMaxime Ripard u8 pll_prediv, u8 pll_mult, 835aa288248SMaxime Ripard u8 sysdiv) 836aa288248SMaxime Ripard { 837aa288248SMaxime Ripard unsigned long sysclk = sensor->xclk_freq / pll_prediv * pll_mult; 838aa288248SMaxime Ripard 839aa288248SMaxime Ripard /* PLL1 output cannot exceed 1GHz. */ 840aa288248SMaxime Ripard if (sysclk / 1000000 > 1000) 841aa288248SMaxime Ripard return 0; 842aa288248SMaxime Ripard 843aa288248SMaxime Ripard return sysclk / sysdiv; 844aa288248SMaxime Ripard } 845aa288248SMaxime Ripard 846aa288248SMaxime Ripard static unsigned long ov5640_calc_sys_clk(struct ov5640_dev *sensor, 847aa288248SMaxime Ripard unsigned long rate, 848aa288248SMaxime Ripard u8 *pll_prediv, u8 *pll_mult, 849aa288248SMaxime Ripard u8 *sysdiv) 850aa288248SMaxime Ripard { 851aa288248SMaxime Ripard unsigned long best = ~0; 852aa288248SMaxime Ripard u8 best_sysdiv = 1, best_mult = 1; 853aa288248SMaxime Ripard u8 _sysdiv, _pll_mult; 854aa288248SMaxime Ripard 855aa288248SMaxime Ripard for (_sysdiv = OV5640_SYSDIV_MIN; 856aa288248SMaxime Ripard _sysdiv <= OV5640_SYSDIV_MAX; 857aa288248SMaxime Ripard _sysdiv++) { 858aa288248SMaxime Ripard for (_pll_mult = OV5640_PLL_MULT_MIN; 859aa288248SMaxime Ripard _pll_mult <= OV5640_PLL_MULT_MAX; 860aa288248SMaxime Ripard _pll_mult++) { 861aa288248SMaxime Ripard unsigned long _rate; 862aa288248SMaxime Ripard 863aa288248SMaxime Ripard /* 864aa288248SMaxime Ripard * The PLL multiplier cannot be odd if above 865aa288248SMaxime Ripard * 127. 866aa288248SMaxime Ripard */ 867aa288248SMaxime Ripard if (_pll_mult > 127 && (_pll_mult % 2)) 868aa288248SMaxime Ripard continue; 869aa288248SMaxime Ripard 870aa288248SMaxime Ripard _rate = ov5640_compute_sys_clk(sensor, 871aa288248SMaxime Ripard OV5640_PLL_PREDIV, 872aa288248SMaxime Ripard _pll_mult, _sysdiv); 873aa288248SMaxime Ripard 874aa288248SMaxime Ripard /* 875aa288248SMaxime Ripard * We have reached the maximum allowed PLL1 output, 876aa288248SMaxime Ripard * increase sysdiv. 877aa288248SMaxime Ripard */ 878aa288248SMaxime Ripard if (!rate) 879aa288248SMaxime Ripard break; 880aa288248SMaxime Ripard 881aa288248SMaxime Ripard /* 882aa288248SMaxime Ripard * Prefer rates above the expected clock rate than 883aa288248SMaxime Ripard * below, even if that means being less precise. 884aa288248SMaxime Ripard */ 885aa288248SMaxime Ripard if (_rate < rate) 886aa288248SMaxime Ripard continue; 887aa288248SMaxime Ripard 888aa288248SMaxime Ripard if (abs(rate - _rate) < abs(rate - best)) { 889aa288248SMaxime Ripard best = _rate; 890aa288248SMaxime Ripard best_sysdiv = _sysdiv; 891aa288248SMaxime Ripard best_mult = _pll_mult; 892aa288248SMaxime Ripard } 893aa288248SMaxime Ripard 894aa288248SMaxime Ripard if (_rate == rate) 895aa288248SMaxime Ripard goto out; 896aa288248SMaxime Ripard } 897aa288248SMaxime Ripard } 898aa288248SMaxime Ripard 899aa288248SMaxime Ripard out: 900aa288248SMaxime Ripard *sysdiv = best_sysdiv; 901aa288248SMaxime Ripard *pll_prediv = OV5640_PLL_PREDIV; 902aa288248SMaxime Ripard *pll_mult = best_mult; 903aa288248SMaxime Ripard 904aa288248SMaxime Ripard return best; 905aa288248SMaxime Ripard } 906aa288248SMaxime Ripard 907aa288248SMaxime Ripard /* 908aa288248SMaxime Ripard * ov5640_set_mipi_pclk() - Calculate the clock tree configuration values 909aa288248SMaxime Ripard * for the MIPI CSI-2 output. 910aa288248SMaxime Ripard * 911aa288248SMaxime Ripard * @rate: The requested bandwidth per lane in bytes per second. 912aa288248SMaxime Ripard * 'Bandwidth Per Lane' is calculated as: 913aa288248SMaxime Ripard * bpl = HTOT * VTOT * FPS * bpp / num_lanes; 914aa288248SMaxime Ripard * 915aa288248SMaxime Ripard * This function use the requested bandwidth to calculate: 916aa288248SMaxime Ripard * - sample_rate = bpl / (bpp / num_lanes); 917aa288248SMaxime Ripard * = bpl / (PLL_RDIV * BIT_DIV * PCLK_DIV * MIPI_DIV / num_lanes); 918aa288248SMaxime Ripard * 919aa288248SMaxime Ripard * - mipi_sclk = bpl / MIPI_DIV / 2; ( / 2 is for CSI-2 DDR) 920aa288248SMaxime Ripard * 921aa288248SMaxime Ripard * with these fixed parameters: 922aa288248SMaxime Ripard * PLL_RDIV = 2; 923aa288248SMaxime Ripard * BIT_DIVIDER = 2; (MIPI_BIT_MODE == 8 ? 2 : 2,5); 924aa288248SMaxime Ripard * PCLK_DIV = 1; 925aa288248SMaxime Ripard * 926aa288248SMaxime Ripard * The MIPI clock generation differs for modes that use the scaler and modes 927aa288248SMaxime Ripard * that do not. In case the scaler is in use, the MIPI_SCLK generates the MIPI 928aa288248SMaxime Ripard * BIT CLk, and thus: 929aa288248SMaxime Ripard * 930aa288248SMaxime Ripard * - mipi_sclk = bpl / MIPI_DIV / 2; 931aa288248SMaxime Ripard * MIPI_DIV = 1; 932aa288248SMaxime Ripard * 933aa288248SMaxime Ripard * For modes that do not go through the scaler, the MIPI BIT CLOCK is generated 934aa288248SMaxime Ripard * from the pixel clock, and thus: 935aa288248SMaxime Ripard * 936aa288248SMaxime Ripard * - sample_rate = bpl / (bpp / num_lanes); 937aa288248SMaxime Ripard * = bpl / (2 * 2 * 1 * MIPI_DIV / num_lanes); 938aa288248SMaxime Ripard * = bpl / (4 * MIPI_DIV / num_lanes); 939aa288248SMaxime Ripard * - MIPI_DIV = bpp / (4 * num_lanes); 940aa288248SMaxime Ripard * 941aa288248SMaxime Ripard * FIXME: this have been tested with 16bpp and 2 lanes setup only. 942aa288248SMaxime Ripard * MIPI_DIV is fixed to value 2, but it -might- be changed according to the 943aa288248SMaxime Ripard * above formula for setups with 1 lane or image formats with different bpp. 944aa288248SMaxime Ripard * 945aa288248SMaxime Ripard * FIXME: this deviates from the sensor manual documentation which is quite 946aa288248SMaxime Ripard * thin on the MIPI clock tree generation part. 947aa288248SMaxime Ripard */ 948aa288248SMaxime Ripard static int ov5640_set_mipi_pclk(struct ov5640_dev *sensor, 949aa288248SMaxime Ripard unsigned long rate) 950aa288248SMaxime Ripard { 951aa288248SMaxime Ripard const struct ov5640_mode_info *mode = sensor->current_mode; 952aa288248SMaxime Ripard u8 prediv, mult, sysdiv; 953aa288248SMaxime Ripard u8 mipi_div; 954aa288248SMaxime Ripard int ret; 955aa288248SMaxime Ripard 956aa288248SMaxime Ripard /* 957aa288248SMaxime Ripard * 1280x720 is reported to use 'SUBSAMPLING' only, 958aa288248SMaxime Ripard * but according to the sensor manual it goes through the 959aa288248SMaxime Ripard * scaler before subsampling. 960aa288248SMaxime Ripard */ 961aa288248SMaxime Ripard if (mode->dn_mode == SCALING || 962aa288248SMaxime Ripard (mode->id == OV5640_MODE_720P_1280_720)) 963aa288248SMaxime Ripard mipi_div = OV5640_MIPI_DIV_SCLK; 964aa288248SMaxime Ripard else 965aa288248SMaxime Ripard mipi_div = OV5640_MIPI_DIV_PCLK; 966aa288248SMaxime Ripard 967aa288248SMaxime Ripard ov5640_calc_sys_clk(sensor, rate, &prediv, &mult, &sysdiv); 968aa288248SMaxime Ripard 969aa288248SMaxime Ripard ret = ov5640_mod_reg(sensor, OV5640_REG_SC_PLL_CTRL0, 970aa288248SMaxime Ripard 0x0f, OV5640_PLL_CTRL0_MIPI_MODE_8BIT); 971aa288248SMaxime Ripard 972aa288248SMaxime Ripard ret = ov5640_mod_reg(sensor, OV5640_REG_SC_PLL_CTRL1, 973aa288248SMaxime Ripard 0xff, sysdiv << 4 | mipi_div); 974aa288248SMaxime Ripard if (ret) 975aa288248SMaxime Ripard return ret; 976aa288248SMaxime Ripard 977aa288248SMaxime Ripard ret = ov5640_mod_reg(sensor, OV5640_REG_SC_PLL_CTRL2, 0xff, mult); 978aa288248SMaxime Ripard if (ret) 979aa288248SMaxime Ripard return ret; 980aa288248SMaxime Ripard 981aa288248SMaxime Ripard ret = ov5640_mod_reg(sensor, OV5640_REG_SC_PLL_CTRL3, 982aa288248SMaxime Ripard 0x1f, OV5640_PLL_CTRL3_PLL_ROOT_DIV_2 | prediv); 983aa288248SMaxime Ripard if (ret) 984aa288248SMaxime Ripard return ret; 985aa288248SMaxime Ripard 986aa288248SMaxime Ripard return ov5640_mod_reg(sensor, OV5640_REG_SYS_ROOT_DIVIDER, 987aa288248SMaxime Ripard 0x30, OV5640_PLL_SYS_ROOT_DIVIDER_BYPASS); 988aa288248SMaxime Ripard } 989aa288248SMaxime Ripard 990aa288248SMaxime Ripard static unsigned long ov5640_calc_pclk(struct ov5640_dev *sensor, 991aa288248SMaxime Ripard unsigned long rate, 992aa288248SMaxime Ripard u8 *pll_prediv, u8 *pll_mult, u8 *sysdiv, 993aa288248SMaxime Ripard u8 *pll_rdiv, u8 *bit_div, u8 *pclk_div) 994aa288248SMaxime Ripard { 995aa288248SMaxime Ripard unsigned long _rate = rate * OV5640_PLL_ROOT_DIV * OV5640_BIT_DIV * 996aa288248SMaxime Ripard OV5640_PCLK_ROOT_DIV; 997aa288248SMaxime Ripard 998aa288248SMaxime Ripard _rate = ov5640_calc_sys_clk(sensor, _rate, pll_prediv, pll_mult, 999aa288248SMaxime Ripard sysdiv); 1000aa288248SMaxime Ripard *pll_rdiv = OV5640_PLL_ROOT_DIV; 1001aa288248SMaxime Ripard *bit_div = OV5640_BIT_DIV; 1002aa288248SMaxime Ripard *pclk_div = OV5640_PCLK_ROOT_DIV; 1003aa288248SMaxime Ripard 1004aa288248SMaxime Ripard return _rate / *pll_rdiv / *bit_div / *pclk_div; 1005aa288248SMaxime Ripard } 1006aa288248SMaxime Ripard 1007aa288248SMaxime Ripard static int ov5640_set_dvp_pclk(struct ov5640_dev *sensor, unsigned long rate) 1008aa288248SMaxime Ripard { 1009aa288248SMaxime Ripard u8 prediv, mult, sysdiv, pll_rdiv, bit_div, pclk_div; 1010aa288248SMaxime Ripard int ret; 1011aa288248SMaxime Ripard 1012aa288248SMaxime Ripard ov5640_calc_pclk(sensor, rate, &prediv, &mult, &sysdiv, &pll_rdiv, 1013aa288248SMaxime Ripard &bit_div, &pclk_div); 1014aa288248SMaxime Ripard 1015aa288248SMaxime Ripard if (bit_div == 2) 1016aa288248SMaxime Ripard bit_div = 8; 1017aa288248SMaxime Ripard 1018aa288248SMaxime Ripard ret = ov5640_mod_reg(sensor, OV5640_REG_SC_PLL_CTRL0, 1019aa288248SMaxime Ripard 0x0f, bit_div); 1020aa288248SMaxime Ripard if (ret) 1021aa288248SMaxime Ripard return ret; 1022aa288248SMaxime Ripard 1023aa288248SMaxime Ripard /* 1024aa288248SMaxime Ripard * We need to set sysdiv according to the clock, and to clear 1025aa288248SMaxime Ripard * the MIPI divider. 1026aa288248SMaxime Ripard */ 1027aa288248SMaxime Ripard ret = ov5640_mod_reg(sensor, OV5640_REG_SC_PLL_CTRL1, 1028aa288248SMaxime Ripard 0xff, sysdiv << 4); 1029aa288248SMaxime Ripard if (ret) 1030aa288248SMaxime Ripard return ret; 1031aa288248SMaxime Ripard 1032aa288248SMaxime Ripard ret = ov5640_mod_reg(sensor, OV5640_REG_SC_PLL_CTRL2, 1033aa288248SMaxime Ripard 0xff, mult); 1034aa288248SMaxime Ripard if (ret) 1035aa288248SMaxime Ripard return ret; 1036aa288248SMaxime Ripard 1037aa288248SMaxime Ripard ret = ov5640_mod_reg(sensor, OV5640_REG_SC_PLL_CTRL3, 1038aa288248SMaxime Ripard 0x1f, prediv | ((pll_rdiv - 1) << 4)); 1039aa288248SMaxime Ripard if (ret) 1040aa288248SMaxime Ripard return ret; 1041aa288248SMaxime Ripard 1042aa288248SMaxime Ripard return ov5640_mod_reg(sensor, OV5640_REG_SYS_ROOT_DIVIDER, 0x30, 1043aa288248SMaxime Ripard (ilog2(pclk_div) << 4)); 1044aa288248SMaxime Ripard } 1045aa288248SMaxime Ripard 10467cb013b1SChen-Yu Tsai /* set JPEG framing sizes */ 10477cb013b1SChen-Yu Tsai static int ov5640_set_jpeg_timings(struct ov5640_dev *sensor, 10487cb013b1SChen-Yu Tsai const struct ov5640_mode_info *mode) 10497cb013b1SChen-Yu Tsai { 10507cb013b1SChen-Yu Tsai int ret; 10517cb013b1SChen-Yu Tsai 10522b5c18f9SChen-Yu Tsai /* 10532b5c18f9SChen-Yu Tsai * compression mode 3 timing 10542b5c18f9SChen-Yu Tsai * 10552b5c18f9SChen-Yu Tsai * Data is transmitted with programmable width (VFIFO_HSIZE). 10562b5c18f9SChen-Yu Tsai * No padding done. Last line may have less data. Varying 10572b5c18f9SChen-Yu Tsai * number of lines per frame, depending on amount of data. 10582b5c18f9SChen-Yu Tsai */ 10592b5c18f9SChen-Yu Tsai ret = ov5640_mod_reg(sensor, OV5640_REG_JPG_MODE_SELECT, 0x7, 0x3); 10602b5c18f9SChen-Yu Tsai if (ret < 0) 10612b5c18f9SChen-Yu Tsai return ret; 10622b5c18f9SChen-Yu Tsai 10637cb013b1SChen-Yu Tsai ret = ov5640_write_reg16(sensor, OV5640_REG_VFIFO_HSIZE, mode->hact); 10647cb013b1SChen-Yu Tsai if (ret < 0) 10657cb013b1SChen-Yu Tsai return ret; 10667cb013b1SChen-Yu Tsai 10677cb013b1SChen-Yu Tsai return ov5640_write_reg16(sensor, OV5640_REG_VFIFO_VSIZE, mode->vact); 10687cb013b1SChen-Yu Tsai } 10697cb013b1SChen-Yu Tsai 107019a81c14SSteve Longerbeam /* download ov5640 settings to sensor through i2c */ 1071bad1774eSJacopo Mondi static int ov5640_set_timings(struct ov5640_dev *sensor, 1072bad1774eSJacopo Mondi const struct ov5640_mode_info *mode) 1073bad1774eSJacopo Mondi { 1074bad1774eSJacopo Mondi int ret; 1075bad1774eSJacopo Mondi 10767cb013b1SChen-Yu Tsai if (sensor->fmt.code == MEDIA_BUS_FMT_JPEG_1X8) { 10777cb013b1SChen-Yu Tsai ret = ov5640_set_jpeg_timings(sensor, mode); 10787cb013b1SChen-Yu Tsai if (ret < 0) 10797cb013b1SChen-Yu Tsai return ret; 10807cb013b1SChen-Yu Tsai } 10817cb013b1SChen-Yu Tsai 1082bad1774eSJacopo Mondi ret = ov5640_write_reg16(sensor, OV5640_REG_TIMING_DVPHO, mode->hact); 1083bad1774eSJacopo Mondi if (ret < 0) 1084bad1774eSJacopo Mondi return ret; 1085bad1774eSJacopo Mondi 1086bad1774eSJacopo Mondi ret = ov5640_write_reg16(sensor, OV5640_REG_TIMING_DVPVO, mode->vact); 1087bad1774eSJacopo Mondi if (ret < 0) 1088bad1774eSJacopo Mondi return ret; 1089bad1774eSJacopo Mondi 1090bad1774eSJacopo Mondi ret = ov5640_write_reg16(sensor, OV5640_REG_TIMING_HTS, mode->htot); 1091bad1774eSJacopo Mondi if (ret < 0) 1092bad1774eSJacopo Mondi return ret; 1093bad1774eSJacopo Mondi 1094bad1774eSJacopo Mondi return ov5640_write_reg16(sensor, OV5640_REG_TIMING_VTS, mode->vtot); 1095bad1774eSJacopo Mondi } 1096bad1774eSJacopo Mondi 109719a81c14SSteve Longerbeam static int ov5640_load_regs(struct ov5640_dev *sensor, 109819a81c14SSteve Longerbeam const struct ov5640_mode_info *mode) 109919a81c14SSteve Longerbeam { 110019a81c14SSteve Longerbeam const struct reg_value *regs = mode->reg_data; 110119a81c14SSteve Longerbeam unsigned int i; 110219a81c14SSteve Longerbeam u32 delay_ms; 110319a81c14SSteve Longerbeam u16 reg_addr; 110419a81c14SSteve Longerbeam u8 mask, val; 110519a81c14SSteve Longerbeam int ret = 0; 110619a81c14SSteve Longerbeam 110719a81c14SSteve Longerbeam for (i = 0; i < mode->reg_data_size; ++i, ++regs) { 110819a81c14SSteve Longerbeam delay_ms = regs->delay_ms; 110919a81c14SSteve Longerbeam reg_addr = regs->reg_addr; 111019a81c14SSteve Longerbeam val = regs->val; 111119a81c14SSteve Longerbeam mask = regs->mask; 111219a81c14SSteve Longerbeam 111319a81c14SSteve Longerbeam if (mask) 111419a81c14SSteve Longerbeam ret = ov5640_mod_reg(sensor, reg_addr, mask, val); 111519a81c14SSteve Longerbeam else 111619a81c14SSteve Longerbeam ret = ov5640_write_reg(sensor, reg_addr, val); 111719a81c14SSteve Longerbeam if (ret) 111819a81c14SSteve Longerbeam break; 111919a81c14SSteve Longerbeam 112019a81c14SSteve Longerbeam if (delay_ms) 112119a81c14SSteve Longerbeam usleep_range(1000 * delay_ms, 1000 * delay_ms + 100); 112219a81c14SSteve Longerbeam } 112319a81c14SSteve Longerbeam 1124bad1774eSJacopo Mondi return ov5640_set_timings(sensor, mode); 112519a81c14SSteve Longerbeam } 112619a81c14SSteve Longerbeam 1127dc29a1c1SHugues Fruchet static int ov5640_set_autoexposure(struct ov5640_dev *sensor, bool on) 1128dc29a1c1SHugues Fruchet { 1129dc29a1c1SHugues Fruchet return ov5640_mod_reg(sensor, OV5640_REG_AEC_PK_MANUAL, 1130dc29a1c1SHugues Fruchet BIT(0), on ? 0 : BIT(0)); 1131dc29a1c1SHugues Fruchet } 1132dc29a1c1SHugues Fruchet 113319a81c14SSteve Longerbeam /* read exposure, in number of line periods */ 113419a81c14SSteve Longerbeam static int ov5640_get_exposure(struct ov5640_dev *sensor) 113519a81c14SSteve Longerbeam { 113619a81c14SSteve Longerbeam int exp, ret; 113719a81c14SSteve Longerbeam u8 temp; 113819a81c14SSteve Longerbeam 113919a81c14SSteve Longerbeam ret = ov5640_read_reg(sensor, OV5640_REG_AEC_PK_EXPOSURE_HI, &temp); 114019a81c14SSteve Longerbeam if (ret) 114119a81c14SSteve Longerbeam return ret; 114219a81c14SSteve Longerbeam exp = ((int)temp & 0x0f) << 16; 114319a81c14SSteve Longerbeam ret = ov5640_read_reg(sensor, OV5640_REG_AEC_PK_EXPOSURE_MED, &temp); 114419a81c14SSteve Longerbeam if (ret) 114519a81c14SSteve Longerbeam return ret; 114619a81c14SSteve Longerbeam exp |= ((int)temp << 8); 114719a81c14SSteve Longerbeam ret = ov5640_read_reg(sensor, OV5640_REG_AEC_PK_EXPOSURE_LO, &temp); 114819a81c14SSteve Longerbeam if (ret) 114919a81c14SSteve Longerbeam return ret; 115019a81c14SSteve Longerbeam exp |= (int)temp; 115119a81c14SSteve Longerbeam 115219a81c14SSteve Longerbeam return exp >> 4; 115319a81c14SSteve Longerbeam } 115419a81c14SSteve Longerbeam 115519a81c14SSteve Longerbeam /* write exposure, given number of line periods */ 115619a81c14SSteve Longerbeam static int ov5640_set_exposure(struct ov5640_dev *sensor, u32 exposure) 115719a81c14SSteve Longerbeam { 115819a81c14SSteve Longerbeam int ret; 115919a81c14SSteve Longerbeam 116019a81c14SSteve Longerbeam exposure <<= 4; 116119a81c14SSteve Longerbeam 116219a81c14SSteve Longerbeam ret = ov5640_write_reg(sensor, 116319a81c14SSteve Longerbeam OV5640_REG_AEC_PK_EXPOSURE_LO, 116419a81c14SSteve Longerbeam exposure & 0xff); 116519a81c14SSteve Longerbeam if (ret) 116619a81c14SSteve Longerbeam return ret; 116719a81c14SSteve Longerbeam ret = ov5640_write_reg(sensor, 116819a81c14SSteve Longerbeam OV5640_REG_AEC_PK_EXPOSURE_MED, 116919a81c14SSteve Longerbeam (exposure >> 8) & 0xff); 117019a81c14SSteve Longerbeam if (ret) 117119a81c14SSteve Longerbeam return ret; 117219a81c14SSteve Longerbeam return ov5640_write_reg(sensor, 117319a81c14SSteve Longerbeam OV5640_REG_AEC_PK_EXPOSURE_HI, 117419a81c14SSteve Longerbeam (exposure >> 16) & 0x0f); 117519a81c14SSteve Longerbeam } 117619a81c14SSteve Longerbeam 117719a81c14SSteve Longerbeam static int ov5640_get_gain(struct ov5640_dev *sensor) 117819a81c14SSteve Longerbeam { 117919a81c14SSteve Longerbeam u16 gain; 118019a81c14SSteve Longerbeam int ret; 118119a81c14SSteve Longerbeam 118219a81c14SSteve Longerbeam ret = ov5640_read_reg16(sensor, OV5640_REG_AEC_PK_REAL_GAIN, &gain); 118319a81c14SSteve Longerbeam if (ret) 118419a81c14SSteve Longerbeam return ret; 118519a81c14SSteve Longerbeam 118619a81c14SSteve Longerbeam return gain & 0x3ff; 118719a81c14SSteve Longerbeam } 118819a81c14SSteve Longerbeam 11893cca8ef5SHugues Fruchet static int ov5640_set_gain(struct ov5640_dev *sensor, int gain) 11903cca8ef5SHugues Fruchet { 11913cca8ef5SHugues Fruchet return ov5640_write_reg16(sensor, OV5640_REG_AEC_PK_REAL_GAIN, 11923cca8ef5SHugues Fruchet (u16)gain & 0x3ff); 11933cca8ef5SHugues Fruchet } 11943cca8ef5SHugues Fruchet 11953cca8ef5SHugues Fruchet static int ov5640_set_autogain(struct ov5640_dev *sensor, bool on) 11963cca8ef5SHugues Fruchet { 11973cca8ef5SHugues Fruchet return ov5640_mod_reg(sensor, OV5640_REG_AEC_PK_MANUAL, 11983cca8ef5SHugues Fruchet BIT(1), on ? 0 : BIT(1)); 11993cca8ef5SHugues Fruchet } 12003cca8ef5SHugues Fruchet 1201f22996dbSHugues Fruchet static int ov5640_set_stream_dvp(struct ov5640_dev *sensor, bool on) 1202f22996dbSHugues Fruchet { 1203f22996dbSHugues Fruchet int ret; 1204f22996dbSHugues Fruchet unsigned int flags = sensor->ep.bus.parallel.flags; 1205f22996dbSHugues Fruchet u8 pclk_pol = 0; 1206f22996dbSHugues Fruchet u8 hsync_pol = 0; 1207f22996dbSHugues Fruchet u8 vsync_pol = 0; 1208f22996dbSHugues Fruchet 1209f22996dbSHugues Fruchet /* 1210f22996dbSHugues Fruchet * Note about parallel port configuration. 1211f22996dbSHugues Fruchet * 1212f22996dbSHugues Fruchet * When configured in parallel mode, the OV5640 will 1213f22996dbSHugues Fruchet * output 10 bits data on DVP data lines [9:0]. 1214f22996dbSHugues Fruchet * If only 8 bits data are wanted, the 8 bits data lines 1215f22996dbSHugues Fruchet * of the camera interface must be physically connected 1216f22996dbSHugues Fruchet * on the DVP data lines [9:2]. 1217f22996dbSHugues Fruchet * 1218f22996dbSHugues Fruchet * Control lines polarity can be configured through 1219f22996dbSHugues Fruchet * devicetree endpoint control lines properties. 1220f22996dbSHugues Fruchet * If no endpoint control lines properties are set, 1221f22996dbSHugues Fruchet * polarity will be as below: 1222f22996dbSHugues Fruchet * - VSYNC: active high 1223f22996dbSHugues Fruchet * - HREF: active low 1224f22996dbSHugues Fruchet * - PCLK: active low 1225f22996dbSHugues Fruchet */ 1226f22996dbSHugues Fruchet 1227f22996dbSHugues Fruchet if (on) { 1228f22996dbSHugues Fruchet /* 1229f22996dbSHugues Fruchet * configure parallel port control lines polarity 1230f22996dbSHugues Fruchet * 1231f22996dbSHugues Fruchet * POLARITY CTRL0 1232f22996dbSHugues Fruchet * - [5]: PCLK polarity (0: active low, 1: active high) 1233f22996dbSHugues Fruchet * - [1]: HREF polarity (0: active low, 1: active high) 1234f22996dbSHugues Fruchet * - [0]: VSYNC polarity (mismatch here between 1235f22996dbSHugues Fruchet * datasheet and hardware, 0 is active high 1236f22996dbSHugues Fruchet * and 1 is active low...) 1237f22996dbSHugues Fruchet */ 1238f22996dbSHugues Fruchet if (flags & V4L2_MBUS_PCLK_SAMPLE_RISING) 1239f22996dbSHugues Fruchet pclk_pol = 1; 1240f22996dbSHugues Fruchet if (flags & V4L2_MBUS_HSYNC_ACTIVE_HIGH) 1241f22996dbSHugues Fruchet hsync_pol = 1; 1242f22996dbSHugues Fruchet if (flags & V4L2_MBUS_VSYNC_ACTIVE_LOW) 1243f22996dbSHugues Fruchet vsync_pol = 1; 1244f22996dbSHugues Fruchet 1245f22996dbSHugues Fruchet ret = ov5640_write_reg(sensor, 1246f22996dbSHugues Fruchet OV5640_REG_POLARITY_CTRL00, 1247f22996dbSHugues Fruchet (pclk_pol << 5) | 1248f22996dbSHugues Fruchet (hsync_pol << 1) | 1249f22996dbSHugues Fruchet vsync_pol); 1250f22996dbSHugues Fruchet 1251f22996dbSHugues Fruchet if (ret) 1252f22996dbSHugues Fruchet return ret; 1253f22996dbSHugues Fruchet } 1254f22996dbSHugues Fruchet 1255f22996dbSHugues Fruchet /* 1256f22996dbSHugues Fruchet * powerdown MIPI TX/RX PHY & disable MIPI 1257f22996dbSHugues Fruchet * 1258f22996dbSHugues Fruchet * MIPI CONTROL 00 1259f22996dbSHugues Fruchet * 4: PWDN PHY TX 1260f22996dbSHugues Fruchet * 3: PWDN PHY RX 1261f22996dbSHugues Fruchet * 2: MIPI enable 1262f22996dbSHugues Fruchet */ 1263f22996dbSHugues Fruchet ret = ov5640_write_reg(sensor, 1264f22996dbSHugues Fruchet OV5640_REG_IO_MIPI_CTRL00, on ? 0x18 : 0); 1265f22996dbSHugues Fruchet if (ret) 1266f22996dbSHugues Fruchet return ret; 1267f22996dbSHugues Fruchet 1268f22996dbSHugues Fruchet /* 1269f22996dbSHugues Fruchet * enable VSYNC/HREF/PCLK DVP control lines 1270f22996dbSHugues Fruchet * & D[9:6] DVP data lines 1271f22996dbSHugues Fruchet * 1272f22996dbSHugues Fruchet * PAD OUTPUT ENABLE 01 1273f22996dbSHugues Fruchet * - 6: VSYNC output enable 1274f22996dbSHugues Fruchet * - 5: HREF output enable 1275f22996dbSHugues Fruchet * - 4: PCLK output enable 1276f22996dbSHugues Fruchet * - [3:0]: D[9:6] output enable 1277f22996dbSHugues Fruchet */ 1278f22996dbSHugues Fruchet ret = ov5640_write_reg(sensor, 1279f22996dbSHugues Fruchet OV5640_REG_PAD_OUTPUT_ENABLE01, 1280f22996dbSHugues Fruchet on ? 0x7f : 0); 1281f22996dbSHugues Fruchet if (ret) 1282f22996dbSHugues Fruchet return ret; 1283f22996dbSHugues Fruchet 1284f22996dbSHugues Fruchet /* 1285f22996dbSHugues Fruchet * enable D[5:0] DVP data lines 1286f22996dbSHugues Fruchet * 1287f22996dbSHugues Fruchet * PAD OUTPUT ENABLE 02 1288f22996dbSHugues Fruchet * - [7:2]: D[5:0] output enable 1289f22996dbSHugues Fruchet */ 1290f22996dbSHugues Fruchet return ov5640_write_reg(sensor, 1291f22996dbSHugues Fruchet OV5640_REG_PAD_OUTPUT_ENABLE02, 1292f22996dbSHugues Fruchet on ? 0xfc : 0); 1293f22996dbSHugues Fruchet } 1294f22996dbSHugues Fruchet 1295f22996dbSHugues Fruchet static int ov5640_set_stream_mipi(struct ov5640_dev *sensor, bool on) 129619a81c14SSteve Longerbeam { 129719a81c14SSteve Longerbeam int ret; 129819a81c14SSteve Longerbeam 1299aa4bb8b8SJacopo Mondi /* 1300aa4bb8b8SJacopo Mondi * Enable/disable the MIPI interface 1301aa4bb8b8SJacopo Mondi * 1302aa4bb8b8SJacopo Mondi * 0x300e = on ? 0x45 : 0x40 1303aa4bb8b8SJacopo Mondi * 1304aa4bb8b8SJacopo Mondi * FIXME: the sensor manual (version 2.03) reports 1305aa4bb8b8SJacopo Mondi * [7:5] = 000 : 1 data lane mode 1306aa4bb8b8SJacopo Mondi * [7:5] = 001 : 2 data lanes mode 1307aa4bb8b8SJacopo Mondi * But this settings do not work, while the following ones 1308aa4bb8b8SJacopo Mondi * have been validated for 2 data lanes mode. 1309aa4bb8b8SJacopo Mondi * 1310aa4bb8b8SJacopo Mondi * [7:5] = 010 : 2 data lanes mode 1311aa4bb8b8SJacopo Mondi * [4] = 0 : Power up MIPI HS Tx 1312aa4bb8b8SJacopo Mondi * [3] = 0 : Power up MIPI LS Rx 1313aa4bb8b8SJacopo Mondi * [2] = 1/0 : MIPI interface enable/disable 1314aa4bb8b8SJacopo Mondi * [1:0] = 01/00: FIXME: 'debug' 1315aa4bb8b8SJacopo Mondi */ 1316aa4bb8b8SJacopo Mondi ret = ov5640_write_reg(sensor, OV5640_REG_IO_MIPI_CTRL00, 1317aa4bb8b8SJacopo Mondi on ? 0x45 : 0x40); 131819a81c14SSteve Longerbeam if (ret) 131919a81c14SSteve Longerbeam return ret; 132019a81c14SSteve Longerbeam 132119a81c14SSteve Longerbeam return ov5640_write_reg(sensor, OV5640_REG_FRAME_CTRL01, 132219a81c14SSteve Longerbeam on ? 0x00 : 0x0f); 132319a81c14SSteve Longerbeam } 132419a81c14SSteve Longerbeam 132519a81c14SSteve Longerbeam static int ov5640_get_sysclk(struct ov5640_dev *sensor) 132619a81c14SSteve Longerbeam { 132719a81c14SSteve Longerbeam /* calculate sysclk */ 132819a81c14SSteve Longerbeam u32 xvclk = sensor->xclk_freq / 10000; 132919a81c14SSteve Longerbeam u32 multiplier, prediv, VCO, sysdiv, pll_rdiv; 133019a81c14SSteve Longerbeam u32 sclk_rdiv_map[] = {1, 2, 4, 8}; 133119a81c14SSteve Longerbeam u32 bit_div2x = 1, sclk_rdiv, sysclk; 133219a81c14SSteve Longerbeam u8 temp1, temp2; 133319a81c14SSteve Longerbeam int ret; 133419a81c14SSteve Longerbeam 133519a81c14SSteve Longerbeam ret = ov5640_read_reg(sensor, OV5640_REG_SC_PLL_CTRL0, &temp1); 133619a81c14SSteve Longerbeam if (ret) 133719a81c14SSteve Longerbeam return ret; 133819a81c14SSteve Longerbeam temp2 = temp1 & 0x0f; 133919a81c14SSteve Longerbeam if (temp2 == 8 || temp2 == 10) 134019a81c14SSteve Longerbeam bit_div2x = temp2 / 2; 134119a81c14SSteve Longerbeam 134219a81c14SSteve Longerbeam ret = ov5640_read_reg(sensor, OV5640_REG_SC_PLL_CTRL1, &temp1); 134319a81c14SSteve Longerbeam if (ret) 134419a81c14SSteve Longerbeam return ret; 134519a81c14SSteve Longerbeam sysdiv = temp1 >> 4; 134619a81c14SSteve Longerbeam if (sysdiv == 0) 134719a81c14SSteve Longerbeam sysdiv = 16; 134819a81c14SSteve Longerbeam 134919a81c14SSteve Longerbeam ret = ov5640_read_reg(sensor, OV5640_REG_SC_PLL_CTRL2, &temp1); 135019a81c14SSteve Longerbeam if (ret) 135119a81c14SSteve Longerbeam return ret; 135219a81c14SSteve Longerbeam multiplier = temp1; 135319a81c14SSteve Longerbeam 135419a81c14SSteve Longerbeam ret = ov5640_read_reg(sensor, OV5640_REG_SC_PLL_CTRL3, &temp1); 135519a81c14SSteve Longerbeam if (ret) 135619a81c14SSteve Longerbeam return ret; 135719a81c14SSteve Longerbeam prediv = temp1 & 0x0f; 135819a81c14SSteve Longerbeam pll_rdiv = ((temp1 >> 4) & 0x01) + 1; 135919a81c14SSteve Longerbeam 136019a81c14SSteve Longerbeam ret = ov5640_read_reg(sensor, OV5640_REG_SYS_ROOT_DIVIDER, &temp1); 136119a81c14SSteve Longerbeam if (ret) 136219a81c14SSteve Longerbeam return ret; 136319a81c14SSteve Longerbeam temp2 = temp1 & 0x03; 136419a81c14SSteve Longerbeam sclk_rdiv = sclk_rdiv_map[temp2]; 136519a81c14SSteve Longerbeam 136619a81c14SSteve Longerbeam if (!prediv || !sysdiv || !pll_rdiv || !bit_div2x) 136719a81c14SSteve Longerbeam return -EINVAL; 136819a81c14SSteve Longerbeam 136919a81c14SSteve Longerbeam VCO = xvclk * multiplier / prediv; 137019a81c14SSteve Longerbeam 137119a81c14SSteve Longerbeam sysclk = VCO / sysdiv / pll_rdiv * 2 / bit_div2x / sclk_rdiv; 137219a81c14SSteve Longerbeam 137319a81c14SSteve Longerbeam return sysclk; 137419a81c14SSteve Longerbeam } 137519a81c14SSteve Longerbeam 137619a81c14SSteve Longerbeam static int ov5640_set_night_mode(struct ov5640_dev *sensor) 137719a81c14SSteve Longerbeam { 137819a81c14SSteve Longerbeam /* read HTS from register settings */ 137919a81c14SSteve Longerbeam u8 mode; 138019a81c14SSteve Longerbeam int ret; 138119a81c14SSteve Longerbeam 138219a81c14SSteve Longerbeam ret = ov5640_read_reg(sensor, OV5640_REG_AEC_CTRL00, &mode); 138319a81c14SSteve Longerbeam if (ret) 138419a81c14SSteve Longerbeam return ret; 138519a81c14SSteve Longerbeam mode &= 0xfb; 138619a81c14SSteve Longerbeam return ov5640_write_reg(sensor, OV5640_REG_AEC_CTRL00, mode); 138719a81c14SSteve Longerbeam } 138819a81c14SSteve Longerbeam 138919a81c14SSteve Longerbeam static int ov5640_get_hts(struct ov5640_dev *sensor) 139019a81c14SSteve Longerbeam { 139119a81c14SSteve Longerbeam /* read HTS from register settings */ 139219a81c14SSteve Longerbeam u16 hts; 139319a81c14SSteve Longerbeam int ret; 139419a81c14SSteve Longerbeam 139519a81c14SSteve Longerbeam ret = ov5640_read_reg16(sensor, OV5640_REG_TIMING_HTS, &hts); 139619a81c14SSteve Longerbeam if (ret) 139719a81c14SSteve Longerbeam return ret; 139819a81c14SSteve Longerbeam return hts; 139919a81c14SSteve Longerbeam } 140019a81c14SSteve Longerbeam 140119a81c14SSteve Longerbeam static int ov5640_get_vts(struct ov5640_dev *sensor) 140219a81c14SSteve Longerbeam { 140319a81c14SSteve Longerbeam u16 vts; 140419a81c14SSteve Longerbeam int ret; 140519a81c14SSteve Longerbeam 140619a81c14SSteve Longerbeam ret = ov5640_read_reg16(sensor, OV5640_REG_TIMING_VTS, &vts); 140719a81c14SSteve Longerbeam if (ret) 140819a81c14SSteve Longerbeam return ret; 140919a81c14SSteve Longerbeam return vts; 141019a81c14SSteve Longerbeam } 141119a81c14SSteve Longerbeam 141219a81c14SSteve Longerbeam static int ov5640_set_vts(struct ov5640_dev *sensor, int vts) 141319a81c14SSteve Longerbeam { 141419a81c14SSteve Longerbeam return ov5640_write_reg16(sensor, OV5640_REG_TIMING_VTS, vts); 141519a81c14SSteve Longerbeam } 141619a81c14SSteve Longerbeam 141719a81c14SSteve Longerbeam static int ov5640_get_light_freq(struct ov5640_dev *sensor) 141819a81c14SSteve Longerbeam { 141919a81c14SSteve Longerbeam /* get banding filter value */ 142019a81c14SSteve Longerbeam int ret, light_freq = 0; 142119a81c14SSteve Longerbeam u8 temp, temp1; 142219a81c14SSteve Longerbeam 142319a81c14SSteve Longerbeam ret = ov5640_read_reg(sensor, OV5640_REG_HZ5060_CTRL01, &temp); 142419a81c14SSteve Longerbeam if (ret) 142519a81c14SSteve Longerbeam return ret; 142619a81c14SSteve Longerbeam 142719a81c14SSteve Longerbeam if (temp & 0x80) { 142819a81c14SSteve Longerbeam /* manual */ 142919a81c14SSteve Longerbeam ret = ov5640_read_reg(sensor, OV5640_REG_HZ5060_CTRL00, 143019a81c14SSteve Longerbeam &temp1); 143119a81c14SSteve Longerbeam if (ret) 143219a81c14SSteve Longerbeam return ret; 143319a81c14SSteve Longerbeam if (temp1 & 0x04) { 143419a81c14SSteve Longerbeam /* 50Hz */ 143519a81c14SSteve Longerbeam light_freq = 50; 143619a81c14SSteve Longerbeam } else { 143719a81c14SSteve Longerbeam /* 60Hz */ 143819a81c14SSteve Longerbeam light_freq = 60; 143919a81c14SSteve Longerbeam } 144019a81c14SSteve Longerbeam } else { 144119a81c14SSteve Longerbeam /* auto */ 144219a81c14SSteve Longerbeam ret = ov5640_read_reg(sensor, OV5640_REG_SIGMADELTA_CTRL0C, 144319a81c14SSteve Longerbeam &temp1); 144419a81c14SSteve Longerbeam if (ret) 144519a81c14SSteve Longerbeam return ret; 144619a81c14SSteve Longerbeam 144719a81c14SSteve Longerbeam if (temp1 & 0x01) { 144819a81c14SSteve Longerbeam /* 50Hz */ 144919a81c14SSteve Longerbeam light_freq = 50; 145019a81c14SSteve Longerbeam } else { 145119a81c14SSteve Longerbeam /* 60Hz */ 145219a81c14SSteve Longerbeam } 145319a81c14SSteve Longerbeam } 145419a81c14SSteve Longerbeam 145519a81c14SSteve Longerbeam return light_freq; 145619a81c14SSteve Longerbeam } 145719a81c14SSteve Longerbeam 145819a81c14SSteve Longerbeam static int ov5640_set_bandingfilter(struct ov5640_dev *sensor) 145919a81c14SSteve Longerbeam { 146019a81c14SSteve Longerbeam u32 band_step60, max_band60, band_step50, max_band50, prev_vts; 146119a81c14SSteve Longerbeam int ret; 146219a81c14SSteve Longerbeam 146319a81c14SSteve Longerbeam /* read preview PCLK */ 146419a81c14SSteve Longerbeam ret = ov5640_get_sysclk(sensor); 146519a81c14SSteve Longerbeam if (ret < 0) 146619a81c14SSteve Longerbeam return ret; 146719a81c14SSteve Longerbeam if (ret == 0) 146819a81c14SSteve Longerbeam return -EINVAL; 146919a81c14SSteve Longerbeam sensor->prev_sysclk = ret; 147019a81c14SSteve Longerbeam /* read preview HTS */ 147119a81c14SSteve Longerbeam ret = ov5640_get_hts(sensor); 147219a81c14SSteve Longerbeam if (ret < 0) 147319a81c14SSteve Longerbeam return ret; 147419a81c14SSteve Longerbeam if (ret == 0) 147519a81c14SSteve Longerbeam return -EINVAL; 147619a81c14SSteve Longerbeam sensor->prev_hts = ret; 147719a81c14SSteve Longerbeam 147819a81c14SSteve Longerbeam /* read preview VTS */ 147919a81c14SSteve Longerbeam ret = ov5640_get_vts(sensor); 148019a81c14SSteve Longerbeam if (ret < 0) 148119a81c14SSteve Longerbeam return ret; 148219a81c14SSteve Longerbeam prev_vts = ret; 148319a81c14SSteve Longerbeam 148419a81c14SSteve Longerbeam /* calculate banding filter */ 148519a81c14SSteve Longerbeam /* 60Hz */ 148619a81c14SSteve Longerbeam band_step60 = sensor->prev_sysclk * 100 / sensor->prev_hts * 100 / 120; 148719a81c14SSteve Longerbeam ret = ov5640_write_reg16(sensor, OV5640_REG_AEC_B60_STEP, band_step60); 148819a81c14SSteve Longerbeam if (ret) 148919a81c14SSteve Longerbeam return ret; 149019a81c14SSteve Longerbeam if (!band_step60) 149119a81c14SSteve Longerbeam return -EINVAL; 149219a81c14SSteve Longerbeam max_band60 = (int)((prev_vts - 4) / band_step60); 149319a81c14SSteve Longerbeam ret = ov5640_write_reg(sensor, OV5640_REG_AEC_CTRL0D, max_band60); 149419a81c14SSteve Longerbeam if (ret) 149519a81c14SSteve Longerbeam return ret; 149619a81c14SSteve Longerbeam 149719a81c14SSteve Longerbeam /* 50Hz */ 149819a81c14SSteve Longerbeam band_step50 = sensor->prev_sysclk * 100 / sensor->prev_hts; 149919a81c14SSteve Longerbeam ret = ov5640_write_reg16(sensor, OV5640_REG_AEC_B50_STEP, band_step50); 150019a81c14SSteve Longerbeam if (ret) 150119a81c14SSteve Longerbeam return ret; 150219a81c14SSteve Longerbeam if (!band_step50) 150319a81c14SSteve Longerbeam return -EINVAL; 150419a81c14SSteve Longerbeam max_band50 = (int)((prev_vts - 4) / band_step50); 150519a81c14SSteve Longerbeam return ov5640_write_reg(sensor, OV5640_REG_AEC_CTRL0E, max_band50); 150619a81c14SSteve Longerbeam } 150719a81c14SSteve Longerbeam 150819a81c14SSteve Longerbeam static int ov5640_set_ae_target(struct ov5640_dev *sensor, int target) 150919a81c14SSteve Longerbeam { 151019a81c14SSteve Longerbeam /* stable in high */ 151119a81c14SSteve Longerbeam u32 fast_high, fast_low; 151219a81c14SSteve Longerbeam int ret; 151319a81c14SSteve Longerbeam 151419a81c14SSteve Longerbeam sensor->ae_low = target * 23 / 25; /* 0.92 */ 151519a81c14SSteve Longerbeam sensor->ae_high = target * 27 / 25; /* 1.08 */ 151619a81c14SSteve Longerbeam 151719a81c14SSteve Longerbeam fast_high = sensor->ae_high << 1; 151819a81c14SSteve Longerbeam if (fast_high > 255) 151919a81c14SSteve Longerbeam fast_high = 255; 152019a81c14SSteve Longerbeam 152119a81c14SSteve Longerbeam fast_low = sensor->ae_low >> 1; 152219a81c14SSteve Longerbeam 152319a81c14SSteve Longerbeam ret = ov5640_write_reg(sensor, OV5640_REG_AEC_CTRL0F, sensor->ae_high); 152419a81c14SSteve Longerbeam if (ret) 152519a81c14SSteve Longerbeam return ret; 152619a81c14SSteve Longerbeam ret = ov5640_write_reg(sensor, OV5640_REG_AEC_CTRL10, sensor->ae_low); 152719a81c14SSteve Longerbeam if (ret) 152819a81c14SSteve Longerbeam return ret; 152919a81c14SSteve Longerbeam ret = ov5640_write_reg(sensor, OV5640_REG_AEC_CTRL1B, sensor->ae_high); 153019a81c14SSteve Longerbeam if (ret) 153119a81c14SSteve Longerbeam return ret; 153219a81c14SSteve Longerbeam ret = ov5640_write_reg(sensor, OV5640_REG_AEC_CTRL1E, sensor->ae_low); 153319a81c14SSteve Longerbeam if (ret) 153419a81c14SSteve Longerbeam return ret; 153519a81c14SSteve Longerbeam ret = ov5640_write_reg(sensor, OV5640_REG_AEC_CTRL11, fast_high); 153619a81c14SSteve Longerbeam if (ret) 153719a81c14SSteve Longerbeam return ret; 153819a81c14SSteve Longerbeam return ov5640_write_reg(sensor, OV5640_REG_AEC_CTRL1F, fast_low); 153919a81c14SSteve Longerbeam } 154019a81c14SSteve Longerbeam 1541c2c3f42dSHugues Fruchet static int ov5640_get_binning(struct ov5640_dev *sensor) 154219a81c14SSteve Longerbeam { 154319a81c14SSteve Longerbeam u8 temp; 154419a81c14SSteve Longerbeam int ret; 154519a81c14SSteve Longerbeam 154619a81c14SSteve Longerbeam ret = ov5640_read_reg(sensor, OV5640_REG_TIMING_TC_REG21, &temp); 154719a81c14SSteve Longerbeam if (ret) 154819a81c14SSteve Longerbeam return ret; 1549c2c3f42dSHugues Fruchet 1550c2c3f42dSHugues Fruchet return temp & BIT(0); 155119a81c14SSteve Longerbeam } 155219a81c14SSteve Longerbeam 1553ce85705aSHugues Fruchet static int ov5640_set_binning(struct ov5640_dev *sensor, bool enable) 1554ce85705aSHugues Fruchet { 1555ce85705aSHugues Fruchet int ret; 1556ce85705aSHugues Fruchet 1557ce85705aSHugues Fruchet /* 1558ce85705aSHugues Fruchet * TIMING TC REG21: 1559ce85705aSHugues Fruchet * - [0]: Horizontal binning enable 1560ce85705aSHugues Fruchet */ 1561ce85705aSHugues Fruchet ret = ov5640_mod_reg(sensor, OV5640_REG_TIMING_TC_REG21, 1562ce85705aSHugues Fruchet BIT(0), enable ? BIT(0) : 0); 1563ce85705aSHugues Fruchet if (ret) 1564ce85705aSHugues Fruchet return ret; 1565ce85705aSHugues Fruchet /* 1566ce85705aSHugues Fruchet * TIMING TC REG20: 1567ce85705aSHugues Fruchet * - [0]: Undocumented, but hardcoded init sequences 1568ce85705aSHugues Fruchet * are always setting REG21/REG20 bit 0 to same value... 1569ce85705aSHugues Fruchet */ 1570ce85705aSHugues Fruchet return ov5640_mod_reg(sensor, OV5640_REG_TIMING_TC_REG20, 1571ce85705aSHugues Fruchet BIT(0), enable ? BIT(0) : 0); 1572ce85705aSHugues Fruchet } 1573ce85705aSHugues Fruchet 157419a81c14SSteve Longerbeam static int ov5640_set_virtual_channel(struct ov5640_dev *sensor) 157519a81c14SSteve Longerbeam { 15768670d70aSHugues Fruchet struct i2c_client *client = sensor->i2c_client; 157719a81c14SSteve Longerbeam u8 temp, channel = virtual_channel; 157819a81c14SSteve Longerbeam int ret; 157919a81c14SSteve Longerbeam 15808670d70aSHugues Fruchet if (channel > 3) { 15818670d70aSHugues Fruchet dev_err(&client->dev, 15828670d70aSHugues Fruchet "%s: wrong virtual_channel parameter, expected (0..3), got %d\n", 15838670d70aSHugues Fruchet __func__, channel); 158419a81c14SSteve Longerbeam return -EINVAL; 15858670d70aSHugues Fruchet } 158619a81c14SSteve Longerbeam 158719a81c14SSteve Longerbeam ret = ov5640_read_reg(sensor, OV5640_REG_DEBUG_MODE, &temp); 158819a81c14SSteve Longerbeam if (ret) 158919a81c14SSteve Longerbeam return ret; 159019a81c14SSteve Longerbeam temp &= ~(3 << 6); 159119a81c14SSteve Longerbeam temp |= (channel << 6); 159219a81c14SSteve Longerbeam return ov5640_write_reg(sensor, OV5640_REG_DEBUG_MODE, temp); 159319a81c14SSteve Longerbeam } 159419a81c14SSteve Longerbeam 159519a81c14SSteve Longerbeam static const struct ov5640_mode_info * 159619a81c14SSteve Longerbeam ov5640_find_mode(struct ov5640_dev *sensor, enum ov5640_frame_rate fr, 159719a81c14SSteve Longerbeam int width, int height, bool nearest) 159819a81c14SSteve Longerbeam { 15993c4a7372SHugues Fruchet const struct ov5640_mode_info *mode; 160019a81c14SSteve Longerbeam 1601086c25f8SMaxime Ripard mode = v4l2_find_nearest_size(ov5640_mode_data, 1602086c25f8SMaxime Ripard ARRAY_SIZE(ov5640_mode_data), 16033c4a7372SHugues Fruchet hact, vact, 16043c4a7372SHugues Fruchet width, height); 160519a81c14SSteve Longerbeam 16063c4a7372SHugues Fruchet if (!mode || 16073c4a7372SHugues Fruchet (!nearest && (mode->hact != width || mode->vact != height))) 16083c4a7372SHugues Fruchet return NULL; 160919a81c14SSteve Longerbeam 1610e823fb16SMaxime Ripard /* Only 640x480 can operate at 60fps (for now) */ 1611e823fb16SMaxime Ripard if (fr == OV5640_60_FPS && 1612e823fb16SMaxime Ripard !(mode->hact == 640 && mode->vact == 480)) 1613e823fb16SMaxime Ripard return NULL; 1614e823fb16SMaxime Ripard 161519a81c14SSteve Longerbeam return mode; 161619a81c14SSteve Longerbeam } 161719a81c14SSteve Longerbeam 1618cc196e48SBenoit Parrot static u64 ov5640_calc_pixel_rate(struct ov5640_dev *sensor) 1619cc196e48SBenoit Parrot { 1620cc196e48SBenoit Parrot u64 rate; 1621cc196e48SBenoit Parrot 1622cc196e48SBenoit Parrot rate = sensor->current_mode->vtot * sensor->current_mode->htot; 1623cc196e48SBenoit Parrot rate *= ov5640_framerates[sensor->current_fr]; 1624cc196e48SBenoit Parrot 1625cc196e48SBenoit Parrot return rate; 1626cc196e48SBenoit Parrot } 1627cc196e48SBenoit Parrot 162819a81c14SSteve Longerbeam /* 162919a81c14SSteve Longerbeam * sensor changes between scaling and subsampling, go through 163019a81c14SSteve Longerbeam * exposure calculation 163119a81c14SSteve Longerbeam */ 163241d8d7f5SHugues Fruchet static int ov5640_set_mode_exposure_calc(struct ov5640_dev *sensor, 163341d8d7f5SHugues Fruchet const struct ov5640_mode_info *mode) 163419a81c14SSteve Longerbeam { 163519a81c14SSteve Longerbeam u32 prev_shutter, prev_gain16; 163619a81c14SSteve Longerbeam u32 cap_shutter, cap_gain16; 163719a81c14SSteve Longerbeam u32 cap_sysclk, cap_hts, cap_vts; 163819a81c14SSteve Longerbeam u32 light_freq, cap_bandfilt, cap_maxband; 163919a81c14SSteve Longerbeam u32 cap_gain16_shutter; 164019a81c14SSteve Longerbeam u8 average; 164119a81c14SSteve Longerbeam int ret; 164219a81c14SSteve Longerbeam 164341d8d7f5SHugues Fruchet if (!mode->reg_data) 164419a81c14SSteve Longerbeam return -EINVAL; 164519a81c14SSteve Longerbeam 164619a81c14SSteve Longerbeam /* read preview shutter */ 164719a81c14SSteve Longerbeam ret = ov5640_get_exposure(sensor); 164819a81c14SSteve Longerbeam if (ret < 0) 164919a81c14SSteve Longerbeam return ret; 165019a81c14SSteve Longerbeam prev_shutter = ret; 1651c2c3f42dSHugues Fruchet ret = ov5640_get_binning(sensor); 165219a81c14SSteve Longerbeam if (ret < 0) 165319a81c14SSteve Longerbeam return ret; 165419a81c14SSteve Longerbeam if (ret && mode->id != OV5640_MODE_720P_1280_720 && 165519a81c14SSteve Longerbeam mode->id != OV5640_MODE_1080P_1920_1080) 165619a81c14SSteve Longerbeam prev_shutter *= 2; 165719a81c14SSteve Longerbeam 165819a81c14SSteve Longerbeam /* read preview gain */ 165919a81c14SSteve Longerbeam ret = ov5640_get_gain(sensor); 166019a81c14SSteve Longerbeam if (ret < 0) 166119a81c14SSteve Longerbeam return ret; 166219a81c14SSteve Longerbeam prev_gain16 = ret; 166319a81c14SSteve Longerbeam 166419a81c14SSteve Longerbeam /* get average */ 166519a81c14SSteve Longerbeam ret = ov5640_read_reg(sensor, OV5640_REG_AVG_READOUT, &average); 166619a81c14SSteve Longerbeam if (ret) 166719a81c14SSteve Longerbeam return ret; 166819a81c14SSteve Longerbeam 166919a81c14SSteve Longerbeam /* turn off night mode for capture */ 167019a81c14SSteve Longerbeam ret = ov5640_set_night_mode(sensor); 167119a81c14SSteve Longerbeam if (ret < 0) 167219a81c14SSteve Longerbeam return ret; 167319a81c14SSteve Longerbeam 167419a81c14SSteve Longerbeam /* Write capture setting */ 167519a81c14SSteve Longerbeam ret = ov5640_load_regs(sensor, mode); 167619a81c14SSteve Longerbeam if (ret < 0) 167719a81c14SSteve Longerbeam return ret; 167819a81c14SSteve Longerbeam 167919a81c14SSteve Longerbeam /* read capture VTS */ 168019a81c14SSteve Longerbeam ret = ov5640_get_vts(sensor); 168119a81c14SSteve Longerbeam if (ret < 0) 168219a81c14SSteve Longerbeam return ret; 168319a81c14SSteve Longerbeam cap_vts = ret; 168419a81c14SSteve Longerbeam ret = ov5640_get_hts(sensor); 168519a81c14SSteve Longerbeam if (ret < 0) 168619a81c14SSteve Longerbeam return ret; 168719a81c14SSteve Longerbeam if (ret == 0) 168819a81c14SSteve Longerbeam return -EINVAL; 168919a81c14SSteve Longerbeam cap_hts = ret; 169019a81c14SSteve Longerbeam 169119a81c14SSteve Longerbeam ret = ov5640_get_sysclk(sensor); 169219a81c14SSteve Longerbeam if (ret < 0) 169319a81c14SSteve Longerbeam return ret; 169419a81c14SSteve Longerbeam if (ret == 0) 169519a81c14SSteve Longerbeam return -EINVAL; 169619a81c14SSteve Longerbeam cap_sysclk = ret; 169719a81c14SSteve Longerbeam 169819a81c14SSteve Longerbeam /* calculate capture banding filter */ 169919a81c14SSteve Longerbeam ret = ov5640_get_light_freq(sensor); 170019a81c14SSteve Longerbeam if (ret < 0) 170119a81c14SSteve Longerbeam return ret; 170219a81c14SSteve Longerbeam light_freq = ret; 170319a81c14SSteve Longerbeam 170419a81c14SSteve Longerbeam if (light_freq == 60) { 170519a81c14SSteve Longerbeam /* 60Hz */ 170619a81c14SSteve Longerbeam cap_bandfilt = cap_sysclk * 100 / cap_hts * 100 / 120; 170719a81c14SSteve Longerbeam } else { 170819a81c14SSteve Longerbeam /* 50Hz */ 170919a81c14SSteve Longerbeam cap_bandfilt = cap_sysclk * 100 / cap_hts; 171019a81c14SSteve Longerbeam } 171119a81c14SSteve Longerbeam 171219a81c14SSteve Longerbeam if (!sensor->prev_sysclk) { 171319a81c14SSteve Longerbeam ret = ov5640_get_sysclk(sensor); 171419a81c14SSteve Longerbeam if (ret < 0) 171519a81c14SSteve Longerbeam return ret; 171619a81c14SSteve Longerbeam if (ret == 0) 171719a81c14SSteve Longerbeam return -EINVAL; 171819a81c14SSteve Longerbeam sensor->prev_sysclk = ret; 171919a81c14SSteve Longerbeam } 172019a81c14SSteve Longerbeam 172119a81c14SSteve Longerbeam if (!cap_bandfilt) 172219a81c14SSteve Longerbeam return -EINVAL; 172319a81c14SSteve Longerbeam 172419a81c14SSteve Longerbeam cap_maxband = (int)((cap_vts - 4) / cap_bandfilt); 172519a81c14SSteve Longerbeam 172619a81c14SSteve Longerbeam /* calculate capture shutter/gain16 */ 172719a81c14SSteve Longerbeam if (average > sensor->ae_low && average < sensor->ae_high) { 172819a81c14SSteve Longerbeam /* in stable range */ 172919a81c14SSteve Longerbeam cap_gain16_shutter = 173019a81c14SSteve Longerbeam prev_gain16 * prev_shutter * 173119a81c14SSteve Longerbeam cap_sysclk / sensor->prev_sysclk * 173219a81c14SSteve Longerbeam sensor->prev_hts / cap_hts * 173319a81c14SSteve Longerbeam sensor->ae_target / average; 173419a81c14SSteve Longerbeam } else { 173519a81c14SSteve Longerbeam cap_gain16_shutter = 173619a81c14SSteve Longerbeam prev_gain16 * prev_shutter * 173719a81c14SSteve Longerbeam cap_sysclk / sensor->prev_sysclk * 173819a81c14SSteve Longerbeam sensor->prev_hts / cap_hts; 173919a81c14SSteve Longerbeam } 174019a81c14SSteve Longerbeam 174119a81c14SSteve Longerbeam /* gain to shutter */ 174219a81c14SSteve Longerbeam if (cap_gain16_shutter < (cap_bandfilt * 16)) { 174319a81c14SSteve Longerbeam /* shutter < 1/100 */ 174419a81c14SSteve Longerbeam cap_shutter = cap_gain16_shutter / 16; 174519a81c14SSteve Longerbeam if (cap_shutter < 1) 174619a81c14SSteve Longerbeam cap_shutter = 1; 174719a81c14SSteve Longerbeam 174819a81c14SSteve Longerbeam cap_gain16 = cap_gain16_shutter / cap_shutter; 174919a81c14SSteve Longerbeam if (cap_gain16 < 16) 175019a81c14SSteve Longerbeam cap_gain16 = 16; 175119a81c14SSteve Longerbeam } else { 175219a81c14SSteve Longerbeam if (cap_gain16_shutter > (cap_bandfilt * cap_maxband * 16)) { 175319a81c14SSteve Longerbeam /* exposure reach max */ 175419a81c14SSteve Longerbeam cap_shutter = cap_bandfilt * cap_maxband; 175519a81c14SSteve Longerbeam if (!cap_shutter) 175619a81c14SSteve Longerbeam return -EINVAL; 175719a81c14SSteve Longerbeam 175819a81c14SSteve Longerbeam cap_gain16 = cap_gain16_shutter / cap_shutter; 175919a81c14SSteve Longerbeam } else { 176019a81c14SSteve Longerbeam /* 1/100 < (cap_shutter = n/100) =< max */ 176119a81c14SSteve Longerbeam cap_shutter = 176219a81c14SSteve Longerbeam ((int)(cap_gain16_shutter / 16 / cap_bandfilt)) 176319a81c14SSteve Longerbeam * cap_bandfilt; 176419a81c14SSteve Longerbeam if (!cap_shutter) 176519a81c14SSteve Longerbeam return -EINVAL; 176619a81c14SSteve Longerbeam 176719a81c14SSteve Longerbeam cap_gain16 = cap_gain16_shutter / cap_shutter; 176819a81c14SSteve Longerbeam } 176919a81c14SSteve Longerbeam } 177019a81c14SSteve Longerbeam 177119a81c14SSteve Longerbeam /* set capture gain */ 17723cca8ef5SHugues Fruchet ret = ov5640_set_gain(sensor, cap_gain16); 177319a81c14SSteve Longerbeam if (ret) 177419a81c14SSteve Longerbeam return ret; 177519a81c14SSteve Longerbeam 177619a81c14SSteve Longerbeam /* write capture shutter */ 177719a81c14SSteve Longerbeam if (cap_shutter > (cap_vts - 4)) { 177819a81c14SSteve Longerbeam cap_vts = cap_shutter + 4; 177919a81c14SSteve Longerbeam ret = ov5640_set_vts(sensor, cap_vts); 178019a81c14SSteve Longerbeam if (ret < 0) 178119a81c14SSteve Longerbeam return ret; 178219a81c14SSteve Longerbeam } 178319a81c14SSteve Longerbeam 178419a81c14SSteve Longerbeam /* set exposure */ 17853cca8ef5SHugues Fruchet return ov5640_set_exposure(sensor, cap_shutter); 178619a81c14SSteve Longerbeam } 178719a81c14SSteve Longerbeam 178819a81c14SSteve Longerbeam /* 178919a81c14SSteve Longerbeam * if sensor changes inside scaling or subsampling 179019a81c14SSteve Longerbeam * change mode directly 179119a81c14SSteve Longerbeam */ 179219a81c14SSteve Longerbeam static int ov5640_set_mode_direct(struct ov5640_dev *sensor, 17933cca8ef5SHugues Fruchet const struct ov5640_mode_info *mode) 179419a81c14SSteve Longerbeam { 179541d8d7f5SHugues Fruchet if (!mode->reg_data) 179619a81c14SSteve Longerbeam return -EINVAL; 179719a81c14SSteve Longerbeam 179819a81c14SSteve Longerbeam /* Write capture setting */ 17993cca8ef5SHugues Fruchet return ov5640_load_regs(sensor, mode); 180019a81c14SSteve Longerbeam } 180119a81c14SSteve Longerbeam 1802985cdcb0SHugues Fruchet static int ov5640_set_mode(struct ov5640_dev *sensor) 180319a81c14SSteve Longerbeam { 180419a81c14SSteve Longerbeam const struct ov5640_mode_info *mode = sensor->current_mode; 1805985cdcb0SHugues Fruchet const struct ov5640_mode_info *orig_mode = sensor->last_mode; 180619a81c14SSteve Longerbeam enum ov5640_downsize_mode dn_mode, orig_dn_mode; 18073cca8ef5SHugues Fruchet bool auto_gain = sensor->ctrls.auto_gain->val == 1; 1808dc29a1c1SHugues Fruchet bool auto_exp = sensor->ctrls.auto_exp->val == V4L2_EXPOSURE_AUTO; 1809aa288248SMaxime Ripard unsigned long rate; 181019a81c14SSteve Longerbeam int ret; 181119a81c14SSteve Longerbeam 181219a81c14SSteve Longerbeam dn_mode = mode->dn_mode; 181319a81c14SSteve Longerbeam orig_dn_mode = orig_mode->dn_mode; 181419a81c14SSteve Longerbeam 181519a81c14SSteve Longerbeam /* auto gain and exposure must be turned off when changing modes */ 18163cca8ef5SHugues Fruchet if (auto_gain) { 18173cca8ef5SHugues Fruchet ret = ov5640_set_autogain(sensor, false); 181819a81c14SSteve Longerbeam if (ret) 181919a81c14SSteve Longerbeam return ret; 18203cca8ef5SHugues Fruchet } 1821bf4a4b51SMaxime Ripard 18223cca8ef5SHugues Fruchet if (auto_exp) { 1823dc29a1c1SHugues Fruchet ret = ov5640_set_autoexposure(sensor, false); 182419a81c14SSteve Longerbeam if (ret) 18253cca8ef5SHugues Fruchet goto restore_auto_gain; 18263cca8ef5SHugues Fruchet } 182719a81c14SSteve Longerbeam 1828aa288248SMaxime Ripard /* 1829aa288248SMaxime Ripard * All the formats we support have 16 bits per pixel, seems to require 1830aa288248SMaxime Ripard * the same rate than YUV, so we can just use 16 bpp all the time. 1831aa288248SMaxime Ripard */ 1832cc196e48SBenoit Parrot rate = ov5640_calc_pixel_rate(sensor) * 16; 1833aa288248SMaxime Ripard if (sensor->ep.bus_type == V4L2_MBUS_CSI2_DPHY) { 1834aa288248SMaxime Ripard rate = rate / sensor->ep.bus.mipi_csi2.num_data_lanes; 1835aa288248SMaxime Ripard ret = ov5640_set_mipi_pclk(sensor, rate); 1836aa288248SMaxime Ripard } else { 1837aa288248SMaxime Ripard rate = rate / sensor->ep.bus.parallel.bus_width; 1838aa288248SMaxime Ripard ret = ov5640_set_dvp_pclk(sensor, rate); 1839aa288248SMaxime Ripard } 1840aa288248SMaxime Ripard 1841aa288248SMaxime Ripard if (ret < 0) 1842aa288248SMaxime Ripard return 0; 1843aa288248SMaxime Ripard 184419a81c14SSteve Longerbeam if ((dn_mode == SUBSAMPLING && orig_dn_mode == SCALING) || 184519a81c14SSteve Longerbeam (dn_mode == SCALING && orig_dn_mode == SUBSAMPLING)) { 184619a81c14SSteve Longerbeam /* 184719a81c14SSteve Longerbeam * change between subsampling and scaling 18483cca8ef5SHugues Fruchet * go through exposure calculation 184919a81c14SSteve Longerbeam */ 185019a81c14SSteve Longerbeam ret = ov5640_set_mode_exposure_calc(sensor, mode); 185119a81c14SSteve Longerbeam } else { 185219a81c14SSteve Longerbeam /* 185319a81c14SSteve Longerbeam * change inside subsampling or scaling 185419a81c14SSteve Longerbeam * download firmware directly 185519a81c14SSteve Longerbeam */ 18563cca8ef5SHugues Fruchet ret = ov5640_set_mode_direct(sensor, mode); 185719a81c14SSteve Longerbeam } 185819a81c14SSteve Longerbeam if (ret < 0) 18593cca8ef5SHugues Fruchet goto restore_auto_exp_gain; 18603cca8ef5SHugues Fruchet 18613cca8ef5SHugues Fruchet /* restore auto gain and exposure */ 18623cca8ef5SHugues Fruchet if (auto_gain) 18633cca8ef5SHugues Fruchet ov5640_set_autogain(sensor, true); 18643cca8ef5SHugues Fruchet if (auto_exp) 18653cca8ef5SHugues Fruchet ov5640_set_autoexposure(sensor, true); 186619a81c14SSteve Longerbeam 1867ce85705aSHugues Fruchet ret = ov5640_set_binning(sensor, dn_mode != SCALING); 1868ce85705aSHugues Fruchet if (ret < 0) 1869ce85705aSHugues Fruchet return ret; 187019a81c14SSteve Longerbeam ret = ov5640_set_ae_target(sensor, sensor->ae_target); 187119a81c14SSteve Longerbeam if (ret < 0) 187219a81c14SSteve Longerbeam return ret; 187319a81c14SSteve Longerbeam ret = ov5640_get_light_freq(sensor); 187419a81c14SSteve Longerbeam if (ret < 0) 187519a81c14SSteve Longerbeam return ret; 187619a81c14SSteve Longerbeam ret = ov5640_set_bandingfilter(sensor); 187719a81c14SSteve Longerbeam if (ret < 0) 187819a81c14SSteve Longerbeam return ret; 187919a81c14SSteve Longerbeam ret = ov5640_set_virtual_channel(sensor); 188019a81c14SSteve Longerbeam if (ret < 0) 188119a81c14SSteve Longerbeam return ret; 188219a81c14SSteve Longerbeam 188319a81c14SSteve Longerbeam sensor->pending_mode_change = false; 1884985cdcb0SHugues Fruchet sensor->last_mode = mode; 188519a81c14SSteve Longerbeam 188619a81c14SSteve Longerbeam return 0; 18873cca8ef5SHugues Fruchet 18883cca8ef5SHugues Fruchet restore_auto_exp_gain: 18893cca8ef5SHugues Fruchet if (auto_exp) 18903cca8ef5SHugues Fruchet ov5640_set_autoexposure(sensor, true); 18913cca8ef5SHugues Fruchet restore_auto_gain: 18923cca8ef5SHugues Fruchet if (auto_gain) 18933cca8ef5SHugues Fruchet ov5640_set_autogain(sensor, true); 18943cca8ef5SHugues Fruchet 18953cca8ef5SHugues Fruchet return ret; 189619a81c14SSteve Longerbeam } 189719a81c14SSteve Longerbeam 189819ad26f9SAkinobu Mita static int ov5640_set_framefmt(struct ov5640_dev *sensor, 189919ad26f9SAkinobu Mita struct v4l2_mbus_framefmt *format); 190019ad26f9SAkinobu Mita 190119a81c14SSteve Longerbeam /* restore the last set video mode after chip power-on */ 190219a81c14SSteve Longerbeam static int ov5640_restore_mode(struct ov5640_dev *sensor) 190319a81c14SSteve Longerbeam { 190419a81c14SSteve Longerbeam int ret; 190519a81c14SSteve Longerbeam 190619a81c14SSteve Longerbeam /* first load the initial register values */ 190719a81c14SSteve Longerbeam ret = ov5640_load_regs(sensor, &ov5640_mode_init_data); 190819a81c14SSteve Longerbeam if (ret < 0) 190919a81c14SSteve Longerbeam return ret; 1910985cdcb0SHugues Fruchet sensor->last_mode = &ov5640_mode_init_data; 191119a81c14SSteve Longerbeam 19128f57c2f8SMaxime Ripard ret = ov5640_mod_reg(sensor, OV5640_REG_SYS_ROOT_DIVIDER, 0x3f, 19137851fe7aSMaxime Ripard (ilog2(OV5640_SCLK2X_ROOT_DIV) << 2) | 19147851fe7aSMaxime Ripard ilog2(OV5640_SCLK_ROOT_DIV)); 19158f57c2f8SMaxime Ripard if (ret) 19168f57c2f8SMaxime Ripard return ret; 19178f57c2f8SMaxime Ripard 191819a81c14SSteve Longerbeam /* now restore the last capture mode */ 1919985cdcb0SHugues Fruchet ret = ov5640_set_mode(sensor); 192019ad26f9SAkinobu Mita if (ret < 0) 192119ad26f9SAkinobu Mita return ret; 192219ad26f9SAkinobu Mita 192319ad26f9SAkinobu Mita return ov5640_set_framefmt(sensor, &sensor->fmt); 192419a81c14SSteve Longerbeam } 192519a81c14SSteve Longerbeam 192619a81c14SSteve Longerbeam static void ov5640_power(struct ov5640_dev *sensor, bool enable) 192719a81c14SSteve Longerbeam { 19281fddc5daSHugues Fruchet gpiod_set_value_cansleep(sensor->pwdn_gpio, enable ? 0 : 1); 192919a81c14SSteve Longerbeam } 193019a81c14SSteve Longerbeam 193119a81c14SSteve Longerbeam static void ov5640_reset(struct ov5640_dev *sensor) 193219a81c14SSteve Longerbeam { 193319a81c14SSteve Longerbeam if (!sensor->reset_gpio) 193419a81c14SSteve Longerbeam return; 193519a81c14SSteve Longerbeam 19361fddc5daSHugues Fruchet gpiod_set_value_cansleep(sensor->reset_gpio, 0); 193719a81c14SSteve Longerbeam 193819a81c14SSteve Longerbeam /* camera power cycle */ 193919a81c14SSteve Longerbeam ov5640_power(sensor, false); 194019a81c14SSteve Longerbeam usleep_range(5000, 10000); 194119a81c14SSteve Longerbeam ov5640_power(sensor, true); 194219a81c14SSteve Longerbeam usleep_range(5000, 10000); 194319a81c14SSteve Longerbeam 19441fddc5daSHugues Fruchet gpiod_set_value_cansleep(sensor->reset_gpio, 1); 194519a81c14SSteve Longerbeam usleep_range(1000, 2000); 194619a81c14SSteve Longerbeam 19471fddc5daSHugues Fruchet gpiod_set_value_cansleep(sensor->reset_gpio, 0); 19481d4c41f3SLoic Poulain usleep_range(20000, 25000); 194919a81c14SSteve Longerbeam } 195019a81c14SSteve Longerbeam 19510f7acb52SHugues Fruchet static int ov5640_set_power_on(struct ov5640_dev *sensor) 195219a81c14SSteve Longerbeam { 19530f7acb52SHugues Fruchet struct i2c_client *client = sensor->i2c_client; 19540f7acb52SHugues Fruchet int ret; 195519a81c14SSteve Longerbeam 19560f7acb52SHugues Fruchet ret = clk_prepare_enable(sensor->xclk); 19570f7acb52SHugues Fruchet if (ret) { 19580f7acb52SHugues Fruchet dev_err(&client->dev, "%s: failed to enable clock\n", 19590f7acb52SHugues Fruchet __func__); 19600f7acb52SHugues Fruchet return ret; 19610f7acb52SHugues Fruchet } 196219a81c14SSteve Longerbeam 196319a81c14SSteve Longerbeam ret = regulator_bulk_enable(OV5640_NUM_SUPPLIES, 196419a81c14SSteve Longerbeam sensor->supplies); 19650f7acb52SHugues Fruchet if (ret) { 19660f7acb52SHugues Fruchet dev_err(&client->dev, "%s: failed to enable regulators\n", 19670f7acb52SHugues Fruchet __func__); 196819a81c14SSteve Longerbeam goto xclk_off; 19690f7acb52SHugues Fruchet } 197019a81c14SSteve Longerbeam 197119a81c14SSteve Longerbeam ov5640_reset(sensor); 197219a81c14SSteve Longerbeam ov5640_power(sensor, true); 197319a81c14SSteve Longerbeam 197419a81c14SSteve Longerbeam ret = ov5640_init_slave_id(sensor); 197519a81c14SSteve Longerbeam if (ret) 197619a81c14SSteve Longerbeam goto power_off; 197719a81c14SSteve Longerbeam 19780f7acb52SHugues Fruchet return 0; 19790f7acb52SHugues Fruchet 19800f7acb52SHugues Fruchet power_off: 19810f7acb52SHugues Fruchet ov5640_power(sensor, false); 19820f7acb52SHugues Fruchet regulator_bulk_disable(OV5640_NUM_SUPPLIES, sensor->supplies); 19830f7acb52SHugues Fruchet xclk_off: 19840f7acb52SHugues Fruchet clk_disable_unprepare(sensor->xclk); 19850f7acb52SHugues Fruchet return ret; 19860f7acb52SHugues Fruchet } 19870f7acb52SHugues Fruchet 19880f7acb52SHugues Fruchet static void ov5640_set_power_off(struct ov5640_dev *sensor) 19890f7acb52SHugues Fruchet { 19900f7acb52SHugues Fruchet ov5640_power(sensor, false); 19910f7acb52SHugues Fruchet regulator_bulk_disable(OV5640_NUM_SUPPLIES, sensor->supplies); 19920f7acb52SHugues Fruchet clk_disable_unprepare(sensor->xclk); 19930f7acb52SHugues Fruchet } 19940f7acb52SHugues Fruchet 19950f7acb52SHugues Fruchet static int ov5640_set_power(struct ov5640_dev *sensor, bool on) 19960f7acb52SHugues Fruchet { 19970f7acb52SHugues Fruchet int ret = 0; 19980f7acb52SHugues Fruchet 19990f7acb52SHugues Fruchet if (on) { 20000f7acb52SHugues Fruchet ret = ov5640_set_power_on(sensor); 20010f7acb52SHugues Fruchet if (ret) 20020f7acb52SHugues Fruchet return ret; 20030f7acb52SHugues Fruchet 200419a81c14SSteve Longerbeam ret = ov5640_restore_mode(sensor); 200519a81c14SSteve Longerbeam if (ret) 200619a81c14SSteve Longerbeam goto power_off; 200719a81c14SSteve Longerbeam 2008aa4bb8b8SJacopo Mondi /* We're done here for DVP bus, while CSI-2 needs setup. */ 20092d95e7edSSakari Ailus if (sensor->ep.bus_type != V4L2_MBUS_CSI2_DPHY) 2010aa4bb8b8SJacopo Mondi return 0; 2011aa4bb8b8SJacopo Mondi 201219a81c14SSteve Longerbeam /* 2013aa4bb8b8SJacopo Mondi * Power up MIPI HS Tx and LS Rx; 2 data lanes mode 2014aa4bb8b8SJacopo Mondi * 2015aa4bb8b8SJacopo Mondi * 0x300e = 0x40 2016aa4bb8b8SJacopo Mondi * [7:5] = 010 : 2 data lanes mode (see FIXME note in 2017aa4bb8b8SJacopo Mondi * "ov5640_set_stream_mipi()") 2018aa4bb8b8SJacopo Mondi * [4] = 0 : Power up MIPI HS Tx 2019aa4bb8b8SJacopo Mondi * [3] = 0 : Power up MIPI LS Rx 2020aa4bb8b8SJacopo Mondi * [2] = 0 : MIPI interface disabled 202119a81c14SSteve Longerbeam */ 2022aa4bb8b8SJacopo Mondi ret = ov5640_write_reg(sensor, 2023aa4bb8b8SJacopo Mondi OV5640_REG_IO_MIPI_CTRL00, 0x40); 202419a81c14SSteve Longerbeam if (ret) 202519a81c14SSteve Longerbeam goto power_off; 2026aa4bb8b8SJacopo Mondi 2027aa4bb8b8SJacopo Mondi /* 2028aa4bb8b8SJacopo Mondi * Gate clock and set LP11 in 'no packets mode' (idle) 2029aa4bb8b8SJacopo Mondi * 2030aa4bb8b8SJacopo Mondi * 0x4800 = 0x24 2031aa4bb8b8SJacopo Mondi * [5] = 1 : Gate clock when 'no packets' 2032aa4bb8b8SJacopo Mondi * [2] = 1 : MIPI bus in LP11 when 'no packets' 2033aa4bb8b8SJacopo Mondi */ 2034aa4bb8b8SJacopo Mondi ret = ov5640_write_reg(sensor, 2035aa4bb8b8SJacopo Mondi OV5640_REG_MIPI_CTRL00, 0x24); 203619a81c14SSteve Longerbeam if (ret) 203719a81c14SSteve Longerbeam goto power_off; 2038aa4bb8b8SJacopo Mondi 2039aa4bb8b8SJacopo Mondi /* 2040aa4bb8b8SJacopo Mondi * Set data lanes and clock in LP11 when 'sleeping' 2041aa4bb8b8SJacopo Mondi * 2042aa4bb8b8SJacopo Mondi * 0x3019 = 0x70 2043aa4bb8b8SJacopo Mondi * [6] = 1 : MIPI data lane 2 in LP11 when 'sleeping' 2044aa4bb8b8SJacopo Mondi * [5] = 1 : MIPI data lane 1 in LP11 when 'sleeping' 2045aa4bb8b8SJacopo Mondi * [4] = 1 : MIPI clock lane in LP11 when 'sleeping' 2046aa4bb8b8SJacopo Mondi */ 2047aa4bb8b8SJacopo Mondi ret = ov5640_write_reg(sensor, 2048aa4bb8b8SJacopo Mondi OV5640_REG_PAD_OUTPUT00, 0x70); 2049aa4bb8b8SJacopo Mondi if (ret) 2050aa4bb8b8SJacopo Mondi goto power_off; 2051aa4bb8b8SJacopo Mondi 2052aa4bb8b8SJacopo Mondi /* Give lanes some time to coax into LP11 state. */ 2053aa4bb8b8SJacopo Mondi usleep_range(500, 1000); 2054aa4bb8b8SJacopo Mondi 2055aa4bb8b8SJacopo Mondi } else { 20562d95e7edSSakari Ailus if (sensor->ep.bus_type == V4L2_MBUS_CSI2_DPHY) { 2057aa4bb8b8SJacopo Mondi /* Reset MIPI bus settings to their default values. */ 2058aa4bb8b8SJacopo Mondi ov5640_write_reg(sensor, 2059aa4bb8b8SJacopo Mondi OV5640_REG_IO_MIPI_CTRL00, 0x58); 2060aa4bb8b8SJacopo Mondi ov5640_write_reg(sensor, 2061aa4bb8b8SJacopo Mondi OV5640_REG_MIPI_CTRL00, 0x04); 2062aa4bb8b8SJacopo Mondi ov5640_write_reg(sensor, 2063aa4bb8b8SJacopo Mondi OV5640_REG_PAD_OUTPUT00, 0x00); 2064aa4bb8b8SJacopo Mondi } 2065aa4bb8b8SJacopo Mondi 2066aa4bb8b8SJacopo Mondi ov5640_set_power_off(sensor); 2067f22996dbSHugues Fruchet } 206819a81c14SSteve Longerbeam 206919a81c14SSteve Longerbeam return 0; 207019a81c14SSteve Longerbeam 207119a81c14SSteve Longerbeam power_off: 20720f7acb52SHugues Fruchet ov5640_set_power_off(sensor); 207319a81c14SSteve Longerbeam return ret; 207419a81c14SSteve Longerbeam } 207519a81c14SSteve Longerbeam 207619a81c14SSteve Longerbeam /* --------------- Subdev Operations --------------- */ 207719a81c14SSteve Longerbeam 207819a81c14SSteve Longerbeam static int ov5640_s_power(struct v4l2_subdev *sd, int on) 207919a81c14SSteve Longerbeam { 208019a81c14SSteve Longerbeam struct ov5640_dev *sensor = to_ov5640_dev(sd); 208119a81c14SSteve Longerbeam int ret = 0; 208219a81c14SSteve Longerbeam 208319a81c14SSteve Longerbeam mutex_lock(&sensor->lock); 208419a81c14SSteve Longerbeam 208519a81c14SSteve Longerbeam /* 208619a81c14SSteve Longerbeam * If the power count is modified from 0 to != 0 or from != 0 to 0, 208719a81c14SSteve Longerbeam * update the power state. 208819a81c14SSteve Longerbeam */ 208919a81c14SSteve Longerbeam if (sensor->power_count == !on) { 209019a81c14SSteve Longerbeam ret = ov5640_set_power(sensor, !!on); 209119a81c14SSteve Longerbeam if (ret) 209219a81c14SSteve Longerbeam goto out; 209319a81c14SSteve Longerbeam } 209419a81c14SSteve Longerbeam 209519a81c14SSteve Longerbeam /* Update the power count. */ 209619a81c14SSteve Longerbeam sensor->power_count += on ? 1 : -1; 209719a81c14SSteve Longerbeam WARN_ON(sensor->power_count < 0); 209819a81c14SSteve Longerbeam out: 209919a81c14SSteve Longerbeam mutex_unlock(&sensor->lock); 210019a81c14SSteve Longerbeam 210119a81c14SSteve Longerbeam if (on && !ret && sensor->power_count == 1) { 210219a81c14SSteve Longerbeam /* restore controls */ 210319a81c14SSteve Longerbeam ret = v4l2_ctrl_handler_setup(&sensor->ctrls.handler); 210419a81c14SSteve Longerbeam } 210519a81c14SSteve Longerbeam 210619a81c14SSteve Longerbeam return ret; 210719a81c14SSteve Longerbeam } 210819a81c14SSteve Longerbeam 210919a81c14SSteve Longerbeam static int ov5640_try_frame_interval(struct ov5640_dev *sensor, 211019a81c14SSteve Longerbeam struct v4l2_fract *fi, 211119a81c14SSteve Longerbeam u32 width, u32 height) 211219a81c14SSteve Longerbeam { 211319a81c14SSteve Longerbeam const struct ov5640_mode_info *mode; 21146530a5ebSJagan Teki enum ov5640_frame_rate rate = OV5640_15_FPS; 2115f6cc192fSMaxime Ripard int minfps, maxfps, best_fps, fps; 2116f6cc192fSMaxime Ripard int i; 211719a81c14SSteve Longerbeam 211819a81c14SSteve Longerbeam minfps = ov5640_framerates[OV5640_15_FPS]; 2119e823fb16SMaxime Ripard maxfps = ov5640_framerates[OV5640_60_FPS]; 212019a81c14SSteve Longerbeam 212119a81c14SSteve Longerbeam if (fi->numerator == 0) { 212219a81c14SSteve Longerbeam fi->denominator = maxfps; 212319a81c14SSteve Longerbeam fi->numerator = 1; 2124e823fb16SMaxime Ripard rate = OV5640_60_FPS; 2125e823fb16SMaxime Ripard goto find_mode; 212619a81c14SSteve Longerbeam } 212719a81c14SSteve Longerbeam 2128f6cc192fSMaxime Ripard fps = clamp_val(DIV_ROUND_CLOSEST(fi->denominator, fi->numerator), 2129f6cc192fSMaxime Ripard minfps, maxfps); 2130f6cc192fSMaxime Ripard 2131f6cc192fSMaxime Ripard best_fps = minfps; 2132f6cc192fSMaxime Ripard for (i = 0; i < ARRAY_SIZE(ov5640_framerates); i++) { 2133f6cc192fSMaxime Ripard int curr_fps = ov5640_framerates[i]; 2134f6cc192fSMaxime Ripard 2135f6cc192fSMaxime Ripard if (abs(curr_fps - fps) < abs(best_fps - fps)) { 2136f6cc192fSMaxime Ripard best_fps = curr_fps; 2137f6cc192fSMaxime Ripard rate = i; 2138f6cc192fSMaxime Ripard } 2139f6cc192fSMaxime Ripard } 214019a81c14SSteve Longerbeam 214119a81c14SSteve Longerbeam fi->numerator = 1; 2142f6cc192fSMaxime Ripard fi->denominator = best_fps; 214319a81c14SSteve Longerbeam 2144e823fb16SMaxime Ripard find_mode: 21455a3ad937SMaxime Ripard mode = ov5640_find_mode(sensor, rate, width, height, false); 21465a3ad937SMaxime Ripard return mode ? rate : -EINVAL; 214719a81c14SSteve Longerbeam } 214819a81c14SSteve Longerbeam 214919a81c14SSteve Longerbeam static int ov5640_get_fmt(struct v4l2_subdev *sd, 215019a81c14SSteve Longerbeam struct v4l2_subdev_pad_config *cfg, 215119a81c14SSteve Longerbeam struct v4l2_subdev_format *format) 215219a81c14SSteve Longerbeam { 215319a81c14SSteve Longerbeam struct ov5640_dev *sensor = to_ov5640_dev(sd); 215419a81c14SSteve Longerbeam struct v4l2_mbus_framefmt *fmt; 215519a81c14SSteve Longerbeam 215619a81c14SSteve Longerbeam if (format->pad != 0) 215719a81c14SSteve Longerbeam return -EINVAL; 215819a81c14SSteve Longerbeam 215919a81c14SSteve Longerbeam mutex_lock(&sensor->lock); 216019a81c14SSteve Longerbeam 216119a81c14SSteve Longerbeam if (format->which == V4L2_SUBDEV_FORMAT_TRY) 216219a81c14SSteve Longerbeam fmt = v4l2_subdev_get_try_format(&sensor->sd, cfg, 216319a81c14SSteve Longerbeam format->pad); 216419a81c14SSteve Longerbeam else 216519a81c14SSteve Longerbeam fmt = &sensor->fmt; 216619a81c14SSteve Longerbeam 216719a81c14SSteve Longerbeam format->format = *fmt; 216819a81c14SSteve Longerbeam 216919a81c14SSteve Longerbeam mutex_unlock(&sensor->lock); 217019a81c14SSteve Longerbeam 217119a81c14SSteve Longerbeam return 0; 217219a81c14SSteve Longerbeam } 217319a81c14SSteve Longerbeam 217419a81c14SSteve Longerbeam static int ov5640_try_fmt_internal(struct v4l2_subdev *sd, 217519a81c14SSteve Longerbeam struct v4l2_mbus_framefmt *fmt, 217619a81c14SSteve Longerbeam enum ov5640_frame_rate fr, 217719a81c14SSteve Longerbeam const struct ov5640_mode_info **new_mode) 217819a81c14SSteve Longerbeam { 217919a81c14SSteve Longerbeam struct ov5640_dev *sensor = to_ov5640_dev(sd); 218019a81c14SSteve Longerbeam const struct ov5640_mode_info *mode; 2181e3ee691dSHugues Fruchet int i; 218219a81c14SSteve Longerbeam 218319a81c14SSteve Longerbeam mode = ov5640_find_mode(sensor, fr, fmt->width, fmt->height, true); 218419a81c14SSteve Longerbeam if (!mode) 218519a81c14SSteve Longerbeam return -EINVAL; 2186dba13a0bSMaxime Ripard fmt->width = mode->hact; 2187dba13a0bSMaxime Ripard fmt->height = mode->vact; 218819a81c14SSteve Longerbeam 218919a81c14SSteve Longerbeam if (new_mode) 219019a81c14SSteve Longerbeam *new_mode = mode; 2191e3ee691dSHugues Fruchet 2192e3ee691dSHugues Fruchet for (i = 0; i < ARRAY_SIZE(ov5640_formats); i++) 2193e3ee691dSHugues Fruchet if (ov5640_formats[i].code == fmt->code) 2194e3ee691dSHugues Fruchet break; 2195e3ee691dSHugues Fruchet if (i >= ARRAY_SIZE(ov5640_formats)) 2196e6441fdeSHugues Fruchet i = 0; 2197e6441fdeSHugues Fruchet 2198e6441fdeSHugues Fruchet fmt->code = ov5640_formats[i].code; 2199e6441fdeSHugues Fruchet fmt->colorspace = ov5640_formats[i].colorspace; 2200e6441fdeSHugues Fruchet fmt->ycbcr_enc = V4L2_MAP_YCBCR_ENC_DEFAULT(fmt->colorspace); 2201e6441fdeSHugues Fruchet fmt->quantization = V4L2_QUANTIZATION_FULL_RANGE; 2202e6441fdeSHugues Fruchet fmt->xfer_func = V4L2_MAP_XFER_FUNC_DEFAULT(fmt->colorspace); 2203e3ee691dSHugues Fruchet 220419a81c14SSteve Longerbeam return 0; 220519a81c14SSteve Longerbeam } 220619a81c14SSteve Longerbeam 220719a81c14SSteve Longerbeam static int ov5640_set_fmt(struct v4l2_subdev *sd, 220819a81c14SSteve Longerbeam struct v4l2_subdev_pad_config *cfg, 220919a81c14SSteve Longerbeam struct v4l2_subdev_format *format) 221019a81c14SSteve Longerbeam { 221119a81c14SSteve Longerbeam struct ov5640_dev *sensor = to_ov5640_dev(sd); 221219a81c14SSteve Longerbeam const struct ov5640_mode_info *new_mode; 2213e6441fdeSHugues Fruchet struct v4l2_mbus_framefmt *mbus_fmt = &format->format; 221407115449SJacopo Mondi struct v4l2_mbus_framefmt *fmt; 221519a81c14SSteve Longerbeam int ret; 221619a81c14SSteve Longerbeam 221719a81c14SSteve Longerbeam if (format->pad != 0) 221819a81c14SSteve Longerbeam return -EINVAL; 221919a81c14SSteve Longerbeam 222019a81c14SSteve Longerbeam mutex_lock(&sensor->lock); 222119a81c14SSteve Longerbeam 222219a81c14SSteve Longerbeam if (sensor->streaming) { 222319a81c14SSteve Longerbeam ret = -EBUSY; 222419a81c14SSteve Longerbeam goto out; 222519a81c14SSteve Longerbeam } 222619a81c14SSteve Longerbeam 2227e6441fdeSHugues Fruchet ret = ov5640_try_fmt_internal(sd, mbus_fmt, 222819a81c14SSteve Longerbeam sensor->current_fr, &new_mode); 222919a81c14SSteve Longerbeam if (ret) 223019a81c14SSteve Longerbeam goto out; 223119a81c14SSteve Longerbeam 223207115449SJacopo Mondi if (format->which == V4L2_SUBDEV_FORMAT_TRY) 223307115449SJacopo Mondi fmt = v4l2_subdev_get_try_format(sd, cfg, 0); 223407115449SJacopo Mondi else 223507115449SJacopo Mondi fmt = &sensor->fmt; 223619a81c14SSteve Longerbeam 2237e6441fdeSHugues Fruchet *fmt = *mbus_fmt; 223819a81c14SSteve Longerbeam 22396949d864SHugues Fruchet if (new_mode != sensor->current_mode) { 224019a81c14SSteve Longerbeam sensor->current_mode = new_mode; 224119a81c14SSteve Longerbeam sensor->pending_mode_change = true; 22426949d864SHugues Fruchet } 224307115449SJacopo Mondi if (mbus_fmt->code != sensor->fmt.code) 2244fb98e29fSHugues Fruchet sensor->pending_fmt_change = true; 224507115449SJacopo Mondi 2246cc196e48SBenoit Parrot __v4l2_ctrl_s_ctrl_int64(sensor->ctrls.pixel_rate, 2247cc196e48SBenoit Parrot ov5640_calc_pixel_rate(sensor)); 224819a81c14SSteve Longerbeam out: 224919a81c14SSteve Longerbeam mutex_unlock(&sensor->lock); 225019a81c14SSteve Longerbeam return ret; 225119a81c14SSteve Longerbeam } 225219a81c14SSteve Longerbeam 2253e3ee691dSHugues Fruchet static int ov5640_set_framefmt(struct ov5640_dev *sensor, 2254e3ee691dSHugues Fruchet struct v4l2_mbus_framefmt *format) 2255e3ee691dSHugues Fruchet { 2256e3ee691dSHugues Fruchet int ret = 0; 2257d47c4126SHugues Fruchet bool is_jpeg = false; 2258b7ed3abdSLoic Poulain u8 fmt, mux; 2259e3ee691dSHugues Fruchet 2260e3ee691dSHugues Fruchet switch (format->code) { 2261e3ee691dSHugues Fruchet case MEDIA_BUS_FMT_UYVY8_2X8: 2262e3ee691dSHugues Fruchet /* YUV422, UYVY */ 2263b7ed3abdSLoic Poulain fmt = 0x3f; 2264b7ed3abdSLoic Poulain mux = OV5640_FMT_MUX_YUV422; 2265e3ee691dSHugues Fruchet break; 2266e3ee691dSHugues Fruchet case MEDIA_BUS_FMT_YUYV8_2X8: 2267e3ee691dSHugues Fruchet /* YUV422, YUYV */ 2268b7ed3abdSLoic Poulain fmt = 0x30; 2269b7ed3abdSLoic Poulain mux = OV5640_FMT_MUX_YUV422; 2270e3ee691dSHugues Fruchet break; 2271e3ee691dSHugues Fruchet case MEDIA_BUS_FMT_RGB565_2X8_LE: 2272e3ee691dSHugues Fruchet /* RGB565 {g[2:0],b[4:0]},{r[4:0],g[5:3]} */ 2273b7ed3abdSLoic Poulain fmt = 0x6F; 2274b7ed3abdSLoic Poulain mux = OV5640_FMT_MUX_RGB; 2275e3ee691dSHugues Fruchet break; 2276e3ee691dSHugues Fruchet case MEDIA_BUS_FMT_RGB565_2X8_BE: 2277e3ee691dSHugues Fruchet /* RGB565 {r[4:0],g[5:3]},{g[2:0],b[4:0]} */ 2278b7ed3abdSLoic Poulain fmt = 0x61; 2279b7ed3abdSLoic Poulain mux = OV5640_FMT_MUX_RGB; 2280e3ee691dSHugues Fruchet break; 2281d47c4126SHugues Fruchet case MEDIA_BUS_FMT_JPEG_1X8: 2282d47c4126SHugues Fruchet /* YUV422, YUYV */ 2283b7ed3abdSLoic Poulain fmt = 0x30; 2284b7ed3abdSLoic Poulain mux = OV5640_FMT_MUX_YUV422; 2285d47c4126SHugues Fruchet is_jpeg = true; 2286d47c4126SHugues Fruchet break; 2287b7ed3abdSLoic Poulain case MEDIA_BUS_FMT_SBGGR8_1X8: 2288b7ed3abdSLoic Poulain /* Raw, BGBG... / GRGR... */ 2289b7ed3abdSLoic Poulain fmt = 0x00; 2290b7ed3abdSLoic Poulain mux = OV5640_FMT_MUX_RAW_DPC; 2291b7ed3abdSLoic Poulain break; 2292b7ed3abdSLoic Poulain case MEDIA_BUS_FMT_SGBRG8_1X8: 2293b7ed3abdSLoic Poulain /* Raw bayer, GBGB... / RGRG... */ 2294b7ed3abdSLoic Poulain fmt = 0x01; 2295b7ed3abdSLoic Poulain mux = OV5640_FMT_MUX_RAW_DPC; 2296b7ed3abdSLoic Poulain break; 2297b7ed3abdSLoic Poulain case MEDIA_BUS_FMT_SGRBG8_1X8: 2298b7ed3abdSLoic Poulain /* Raw bayer, GRGR... / BGBG... */ 2299b7ed3abdSLoic Poulain fmt = 0x02; 2300b7ed3abdSLoic Poulain mux = OV5640_FMT_MUX_RAW_DPC; 2301b7ed3abdSLoic Poulain break; 2302b7ed3abdSLoic Poulain case MEDIA_BUS_FMT_SRGGB8_1X8: 2303b7ed3abdSLoic Poulain /* Raw bayer, RGRG... / GBGB... */ 2304b7ed3abdSLoic Poulain fmt = 0x03; 2305b7ed3abdSLoic Poulain mux = OV5640_FMT_MUX_RAW_DPC; 2306b7ed3abdSLoic Poulain break; 2307e3ee691dSHugues Fruchet default: 2308e3ee691dSHugues Fruchet return -EINVAL; 2309e3ee691dSHugues Fruchet } 2310e3ee691dSHugues Fruchet 2311e3ee691dSHugues Fruchet /* FORMAT CONTROL00: YUV and RGB formatting */ 2312b7ed3abdSLoic Poulain ret = ov5640_write_reg(sensor, OV5640_REG_FORMAT_CONTROL00, fmt); 2313e3ee691dSHugues Fruchet if (ret) 2314e3ee691dSHugues Fruchet return ret; 2315e3ee691dSHugues Fruchet 2316e3ee691dSHugues Fruchet /* FORMAT MUX CONTROL: ISP YUV or RGB */ 2317b7ed3abdSLoic Poulain ret = ov5640_write_reg(sensor, OV5640_REG_ISP_FORMAT_MUX_CTRL, mux); 2318d47c4126SHugues Fruchet if (ret) 2319d47c4126SHugues Fruchet return ret; 2320d47c4126SHugues Fruchet 2321d47c4126SHugues Fruchet /* 2322d47c4126SHugues Fruchet * TIMING TC REG21: 2323d47c4126SHugues Fruchet * - [5]: JPEG enable 2324d47c4126SHugues Fruchet */ 2325d47c4126SHugues Fruchet ret = ov5640_mod_reg(sensor, OV5640_REG_TIMING_TC_REG21, 2326d47c4126SHugues Fruchet BIT(5), is_jpeg ? BIT(5) : 0); 2327d47c4126SHugues Fruchet if (ret) 2328d47c4126SHugues Fruchet return ret; 2329d47c4126SHugues Fruchet 2330d47c4126SHugues Fruchet /* 2331d47c4126SHugues Fruchet * SYSTEM RESET02: 2332d47c4126SHugues Fruchet * - [4]: Reset JFIFO 2333d47c4126SHugues Fruchet * - [3]: Reset SFIFO 2334d47c4126SHugues Fruchet * - [2]: Reset JPEG 2335d47c4126SHugues Fruchet */ 2336d47c4126SHugues Fruchet ret = ov5640_mod_reg(sensor, OV5640_REG_SYS_RESET02, 2337d47c4126SHugues Fruchet BIT(4) | BIT(3) | BIT(2), 2338d47c4126SHugues Fruchet is_jpeg ? 0 : (BIT(4) | BIT(3) | BIT(2))); 2339d47c4126SHugues Fruchet if (ret) 2340d47c4126SHugues Fruchet return ret; 2341d47c4126SHugues Fruchet 2342d47c4126SHugues Fruchet /* 2343d47c4126SHugues Fruchet * CLOCK ENABLE02: 2344d47c4126SHugues Fruchet * - [5]: Enable JPEG 2x clock 2345d47c4126SHugues Fruchet * - [3]: Enable JPEG clock 2346d47c4126SHugues Fruchet */ 2347d47c4126SHugues Fruchet return ov5640_mod_reg(sensor, OV5640_REG_SYS_CLOCK_ENABLE02, 2348d47c4126SHugues Fruchet BIT(5) | BIT(3), 2349d47c4126SHugues Fruchet is_jpeg ? (BIT(5) | BIT(3)) : 0); 2350e3ee691dSHugues Fruchet } 235119a81c14SSteve Longerbeam 235219a81c14SSteve Longerbeam /* 235319a81c14SSteve Longerbeam * Sensor Controls. 235419a81c14SSteve Longerbeam */ 235519a81c14SSteve Longerbeam 235619a81c14SSteve Longerbeam static int ov5640_set_ctrl_hue(struct ov5640_dev *sensor, int value) 235719a81c14SSteve Longerbeam { 235819a81c14SSteve Longerbeam int ret; 235919a81c14SSteve Longerbeam 236019a81c14SSteve Longerbeam if (value) { 236119a81c14SSteve Longerbeam ret = ov5640_mod_reg(sensor, OV5640_REG_SDE_CTRL0, 236219a81c14SSteve Longerbeam BIT(0), BIT(0)); 236319a81c14SSteve Longerbeam if (ret) 236419a81c14SSteve Longerbeam return ret; 236519a81c14SSteve Longerbeam ret = ov5640_write_reg16(sensor, OV5640_REG_SDE_CTRL1, value); 236619a81c14SSteve Longerbeam } else { 236719a81c14SSteve Longerbeam ret = ov5640_mod_reg(sensor, OV5640_REG_SDE_CTRL0, BIT(0), 0); 236819a81c14SSteve Longerbeam } 236919a81c14SSteve Longerbeam 237019a81c14SSteve Longerbeam return ret; 237119a81c14SSteve Longerbeam } 237219a81c14SSteve Longerbeam 237319a81c14SSteve Longerbeam static int ov5640_set_ctrl_contrast(struct ov5640_dev *sensor, int value) 237419a81c14SSteve Longerbeam { 237519a81c14SSteve Longerbeam int ret; 237619a81c14SSteve Longerbeam 237719a81c14SSteve Longerbeam if (value) { 237819a81c14SSteve Longerbeam ret = ov5640_mod_reg(sensor, OV5640_REG_SDE_CTRL0, 237919a81c14SSteve Longerbeam BIT(2), BIT(2)); 238019a81c14SSteve Longerbeam if (ret) 238119a81c14SSteve Longerbeam return ret; 238219a81c14SSteve Longerbeam ret = ov5640_write_reg(sensor, OV5640_REG_SDE_CTRL5, 238319a81c14SSteve Longerbeam value & 0xff); 238419a81c14SSteve Longerbeam } else { 238519a81c14SSteve Longerbeam ret = ov5640_mod_reg(sensor, OV5640_REG_SDE_CTRL0, BIT(2), 0); 238619a81c14SSteve Longerbeam } 238719a81c14SSteve Longerbeam 238819a81c14SSteve Longerbeam return ret; 238919a81c14SSteve Longerbeam } 239019a81c14SSteve Longerbeam 239119a81c14SSteve Longerbeam static int ov5640_set_ctrl_saturation(struct ov5640_dev *sensor, int value) 239219a81c14SSteve Longerbeam { 239319a81c14SSteve Longerbeam int ret; 239419a81c14SSteve Longerbeam 239519a81c14SSteve Longerbeam if (value) { 239619a81c14SSteve Longerbeam ret = ov5640_mod_reg(sensor, OV5640_REG_SDE_CTRL0, 239719a81c14SSteve Longerbeam BIT(1), BIT(1)); 239819a81c14SSteve Longerbeam if (ret) 239919a81c14SSteve Longerbeam return ret; 240019a81c14SSteve Longerbeam ret = ov5640_write_reg(sensor, OV5640_REG_SDE_CTRL3, 240119a81c14SSteve Longerbeam value & 0xff); 240219a81c14SSteve Longerbeam if (ret) 240319a81c14SSteve Longerbeam return ret; 240419a81c14SSteve Longerbeam ret = ov5640_write_reg(sensor, OV5640_REG_SDE_CTRL4, 240519a81c14SSteve Longerbeam value & 0xff); 240619a81c14SSteve Longerbeam } else { 240719a81c14SSteve Longerbeam ret = ov5640_mod_reg(sensor, OV5640_REG_SDE_CTRL0, BIT(1), 0); 240819a81c14SSteve Longerbeam } 240919a81c14SSteve Longerbeam 241019a81c14SSteve Longerbeam return ret; 241119a81c14SSteve Longerbeam } 241219a81c14SSteve Longerbeam 241319a81c14SSteve Longerbeam static int ov5640_set_ctrl_white_balance(struct ov5640_dev *sensor, int awb) 241419a81c14SSteve Longerbeam { 241519a81c14SSteve Longerbeam int ret; 241619a81c14SSteve Longerbeam 241719a81c14SSteve Longerbeam ret = ov5640_mod_reg(sensor, OV5640_REG_AWB_MANUAL_CTRL, 241819a81c14SSteve Longerbeam BIT(0), awb ? 0 : 1); 241919a81c14SSteve Longerbeam if (ret) 242019a81c14SSteve Longerbeam return ret; 242119a81c14SSteve Longerbeam 242219a81c14SSteve Longerbeam if (!awb) { 242319a81c14SSteve Longerbeam u16 red = (u16)sensor->ctrls.red_balance->val; 242419a81c14SSteve Longerbeam u16 blue = (u16)sensor->ctrls.blue_balance->val; 242519a81c14SSteve Longerbeam 242619a81c14SSteve Longerbeam ret = ov5640_write_reg16(sensor, OV5640_REG_AWB_R_GAIN, red); 242719a81c14SSteve Longerbeam if (ret) 242819a81c14SSteve Longerbeam return ret; 242919a81c14SSteve Longerbeam ret = ov5640_write_reg16(sensor, OV5640_REG_AWB_B_GAIN, blue); 243019a81c14SSteve Longerbeam } 243119a81c14SSteve Longerbeam 243219a81c14SSteve Longerbeam return ret; 243319a81c14SSteve Longerbeam } 243419a81c14SSteve Longerbeam 24353cca8ef5SHugues Fruchet static int ov5640_set_ctrl_exposure(struct ov5640_dev *sensor, 24363cca8ef5SHugues Fruchet enum v4l2_exposure_auto_type auto_exposure) 243719a81c14SSteve Longerbeam { 243819a81c14SSteve Longerbeam struct ov5640_ctrls *ctrls = &sensor->ctrls; 24393cca8ef5SHugues Fruchet bool auto_exp = (auto_exposure == V4L2_EXPOSURE_AUTO); 244019a81c14SSteve Longerbeam int ret = 0; 244119a81c14SSteve Longerbeam 244219a81c14SSteve Longerbeam if (ctrls->auto_exp->is_new) { 24433cca8ef5SHugues Fruchet ret = ov5640_set_autoexposure(sensor, auto_exp); 244419a81c14SSteve Longerbeam if (ret) 244519a81c14SSteve Longerbeam return ret; 244619a81c14SSteve Longerbeam } 244719a81c14SSteve Longerbeam 24483cca8ef5SHugues Fruchet if (!auto_exp && ctrls->exposure->is_new) { 244919a81c14SSteve Longerbeam u16 max_exp; 245019a81c14SSteve Longerbeam 245119a81c14SSteve Longerbeam ret = ov5640_read_reg16(sensor, OV5640_REG_AEC_PK_VTS, 245219a81c14SSteve Longerbeam &max_exp); 245319a81c14SSteve Longerbeam if (ret) 245419a81c14SSteve Longerbeam return ret; 245519a81c14SSteve Longerbeam ret = ov5640_get_vts(sensor); 245619a81c14SSteve Longerbeam if (ret < 0) 245719a81c14SSteve Longerbeam return ret; 245819a81c14SSteve Longerbeam max_exp += ret; 24596146fde3SHugues Fruchet ret = 0; 246019a81c14SSteve Longerbeam 246119a81c14SSteve Longerbeam if (ctrls->exposure->val < max_exp) 246219a81c14SSteve Longerbeam ret = ov5640_set_exposure(sensor, ctrls->exposure->val); 246319a81c14SSteve Longerbeam } 246419a81c14SSteve Longerbeam 246519a81c14SSteve Longerbeam return ret; 246619a81c14SSteve Longerbeam } 246719a81c14SSteve Longerbeam 24683cca8ef5SHugues Fruchet static int ov5640_set_ctrl_gain(struct ov5640_dev *sensor, bool auto_gain) 246919a81c14SSteve Longerbeam { 247019a81c14SSteve Longerbeam struct ov5640_ctrls *ctrls = &sensor->ctrls; 247119a81c14SSteve Longerbeam int ret = 0; 247219a81c14SSteve Longerbeam 247319a81c14SSteve Longerbeam if (ctrls->auto_gain->is_new) { 24743cca8ef5SHugues Fruchet ret = ov5640_set_autogain(sensor, auto_gain); 247519a81c14SSteve Longerbeam if (ret) 247619a81c14SSteve Longerbeam return ret; 247719a81c14SSteve Longerbeam } 247819a81c14SSteve Longerbeam 24793cca8ef5SHugues Fruchet if (!auto_gain && ctrls->gain->is_new) 24803cca8ef5SHugues Fruchet ret = ov5640_set_gain(sensor, ctrls->gain->val); 248119a81c14SSteve Longerbeam 248219a81c14SSteve Longerbeam return ret; 248319a81c14SSteve Longerbeam } 248419a81c14SSteve Longerbeam 24859f6d7bacSChen-Yu Tsai static const char * const test_pattern_menu[] = { 24869f6d7bacSChen-Yu Tsai "Disabled", 24879f6d7bacSChen-Yu Tsai "Color bars", 2488bddc5cdfSChen-Yu Tsai "Color bars w/ rolling bar", 2489bddc5cdfSChen-Yu Tsai "Color squares", 2490bddc5cdfSChen-Yu Tsai "Color squares w/ rolling bar", 24919f6d7bacSChen-Yu Tsai }; 24929f6d7bacSChen-Yu Tsai 2493a0c29afbSChen-Yu Tsai #define OV5640_TEST_ENABLE BIT(7) 2494a0c29afbSChen-Yu Tsai #define OV5640_TEST_ROLLING BIT(6) /* rolling horizontal bar */ 2495a0c29afbSChen-Yu Tsai #define OV5640_TEST_TRANSPARENT BIT(5) 2496a0c29afbSChen-Yu Tsai #define OV5640_TEST_SQUARE_BW BIT(4) /* black & white squares */ 2497a0c29afbSChen-Yu Tsai #define OV5640_TEST_BAR_STANDARD (0 << 2) 2498a0c29afbSChen-Yu Tsai #define OV5640_TEST_BAR_VERT_CHANGE_1 (1 << 2) 2499a0c29afbSChen-Yu Tsai #define OV5640_TEST_BAR_HOR_CHANGE (2 << 2) 2500a0c29afbSChen-Yu Tsai #define OV5640_TEST_BAR_VERT_CHANGE_2 (3 << 2) 2501a0c29afbSChen-Yu Tsai #define OV5640_TEST_BAR (0 << 0) 2502a0c29afbSChen-Yu Tsai #define OV5640_TEST_RANDOM (1 << 0) 2503a0c29afbSChen-Yu Tsai #define OV5640_TEST_SQUARE (2 << 0) 2504a0c29afbSChen-Yu Tsai #define OV5640_TEST_BLACK (3 << 0) 2505a0c29afbSChen-Yu Tsai 2506a0c29afbSChen-Yu Tsai static const u8 test_pattern_val[] = { 2507a0c29afbSChen-Yu Tsai 0, 25082aff1fc3SChen-Yu Tsai OV5640_TEST_ENABLE | OV5640_TEST_BAR_VERT_CHANGE_1 | 2509a0c29afbSChen-Yu Tsai OV5640_TEST_BAR, 2510bddc5cdfSChen-Yu Tsai OV5640_TEST_ENABLE | OV5640_TEST_ROLLING | 2511bddc5cdfSChen-Yu Tsai OV5640_TEST_BAR_VERT_CHANGE_1 | OV5640_TEST_BAR, 2512bddc5cdfSChen-Yu Tsai OV5640_TEST_ENABLE | OV5640_TEST_SQUARE, 2513bddc5cdfSChen-Yu Tsai OV5640_TEST_ENABLE | OV5640_TEST_ROLLING | OV5640_TEST_SQUARE, 2514a0c29afbSChen-Yu Tsai }; 2515a0c29afbSChen-Yu Tsai 251619a81c14SSteve Longerbeam static int ov5640_set_ctrl_test_pattern(struct ov5640_dev *sensor, int value) 251719a81c14SSteve Longerbeam { 2518a0c29afbSChen-Yu Tsai return ov5640_write_reg(sensor, OV5640_REG_PRE_ISP_TEST_SET1, 2519a0c29afbSChen-Yu Tsai test_pattern_val[value]); 252019a81c14SSteve Longerbeam } 252119a81c14SSteve Longerbeam 25221068fecaSMylène Josserand static int ov5640_set_ctrl_light_freq(struct ov5640_dev *sensor, int value) 25231068fecaSMylène Josserand { 25241068fecaSMylène Josserand int ret; 25251068fecaSMylène Josserand 25261068fecaSMylène Josserand ret = ov5640_mod_reg(sensor, OV5640_REG_HZ5060_CTRL01, BIT(7), 25271068fecaSMylène Josserand (value == V4L2_CID_POWER_LINE_FREQUENCY_AUTO) ? 25281068fecaSMylène Josserand 0 : BIT(7)); 25291068fecaSMylène Josserand if (ret) 25301068fecaSMylène Josserand return ret; 25311068fecaSMylène Josserand 25321068fecaSMylène Josserand return ov5640_mod_reg(sensor, OV5640_REG_HZ5060_CTRL00, BIT(2), 25331068fecaSMylène Josserand (value == V4L2_CID_POWER_LINE_FREQUENCY_50HZ) ? 25341068fecaSMylène Josserand BIT(2) : 0); 25351068fecaSMylène Josserand } 25361068fecaSMylène Josserand 2537ce85705aSHugues Fruchet static int ov5640_set_ctrl_hflip(struct ov5640_dev *sensor, int value) 2538ce85705aSHugues Fruchet { 2539ce85705aSHugues Fruchet /* 2540c3f3ba3eSHugues Fruchet * If sensor is mounted upside down, mirror logic is inversed. 2541c3f3ba3eSHugues Fruchet * 2542ce85705aSHugues Fruchet * Sensor is a BSI (Back Side Illuminated) one, 2543ce85705aSHugues Fruchet * so image captured is physically mirrored. 2544ce85705aSHugues Fruchet * This is why mirror logic is inversed in 2545ce85705aSHugues Fruchet * order to cancel this mirror effect. 2546ce85705aSHugues Fruchet */ 2547ce85705aSHugues Fruchet 2548ce85705aSHugues Fruchet /* 2549ce85705aSHugues Fruchet * TIMING TC REG21: 2550ce85705aSHugues Fruchet * - [2]: ISP mirror 2551ce85705aSHugues Fruchet * - [1]: Sensor mirror 2552ce85705aSHugues Fruchet */ 2553ce85705aSHugues Fruchet return ov5640_mod_reg(sensor, OV5640_REG_TIMING_TC_REG21, 2554ce85705aSHugues Fruchet BIT(2) | BIT(1), 2555c3f3ba3eSHugues Fruchet (!(value ^ sensor->upside_down)) ? 2556c3f3ba3eSHugues Fruchet (BIT(2) | BIT(1)) : 0); 2557ce85705aSHugues Fruchet } 2558ce85705aSHugues Fruchet 2559ce85705aSHugues Fruchet static int ov5640_set_ctrl_vflip(struct ov5640_dev *sensor, int value) 2560ce85705aSHugues Fruchet { 2561c3f3ba3eSHugues Fruchet /* If sensor is mounted upside down, flip logic is inversed */ 2562c3f3ba3eSHugues Fruchet 2563ce85705aSHugues Fruchet /* 2564ce85705aSHugues Fruchet * TIMING TC REG20: 2565ce85705aSHugues Fruchet * - [2]: ISP vflip 2566ce85705aSHugues Fruchet * - [1]: Sensor vflip 2567ce85705aSHugues Fruchet */ 2568ce85705aSHugues Fruchet return ov5640_mod_reg(sensor, OV5640_REG_TIMING_TC_REG20, 2569ce85705aSHugues Fruchet BIT(2) | BIT(1), 2570c3f3ba3eSHugues Fruchet (value ^ sensor->upside_down) ? 2571c3f3ba3eSHugues Fruchet (BIT(2) | BIT(1)) : 0); 2572ce85705aSHugues Fruchet } 2573ce85705aSHugues Fruchet 257419a81c14SSteve Longerbeam static int ov5640_g_volatile_ctrl(struct v4l2_ctrl *ctrl) 257519a81c14SSteve Longerbeam { 257619a81c14SSteve Longerbeam struct v4l2_subdev *sd = ctrl_to_sd(ctrl); 257719a81c14SSteve Longerbeam struct ov5640_dev *sensor = to_ov5640_dev(sd); 257819a81c14SSteve Longerbeam int val; 257919a81c14SSteve Longerbeam 258019a81c14SSteve Longerbeam /* v4l2_ctrl_lock() locks our own mutex */ 258119a81c14SSteve Longerbeam 258219a81c14SSteve Longerbeam switch (ctrl->id) { 258319a81c14SSteve Longerbeam case V4L2_CID_AUTOGAIN: 258419a81c14SSteve Longerbeam val = ov5640_get_gain(sensor); 258519a81c14SSteve Longerbeam if (val < 0) 258619a81c14SSteve Longerbeam return val; 258719a81c14SSteve Longerbeam sensor->ctrls.gain->val = val; 258819a81c14SSteve Longerbeam break; 258919a81c14SSteve Longerbeam case V4L2_CID_EXPOSURE_AUTO: 259019a81c14SSteve Longerbeam val = ov5640_get_exposure(sensor); 259119a81c14SSteve Longerbeam if (val < 0) 259219a81c14SSteve Longerbeam return val; 259319a81c14SSteve Longerbeam sensor->ctrls.exposure->val = val; 259419a81c14SSteve Longerbeam break; 259519a81c14SSteve Longerbeam } 259619a81c14SSteve Longerbeam 259719a81c14SSteve Longerbeam return 0; 259819a81c14SSteve Longerbeam } 259919a81c14SSteve Longerbeam 260019a81c14SSteve Longerbeam static int ov5640_s_ctrl(struct v4l2_ctrl *ctrl) 260119a81c14SSteve Longerbeam { 260219a81c14SSteve Longerbeam struct v4l2_subdev *sd = ctrl_to_sd(ctrl); 260319a81c14SSteve Longerbeam struct ov5640_dev *sensor = to_ov5640_dev(sd); 260419a81c14SSteve Longerbeam int ret; 260519a81c14SSteve Longerbeam 260619a81c14SSteve Longerbeam /* v4l2_ctrl_lock() locks our own mutex */ 260719a81c14SSteve Longerbeam 260819a81c14SSteve Longerbeam /* 260919a81c14SSteve Longerbeam * If the device is not powered up by the host driver do 261019a81c14SSteve Longerbeam * not apply any controls to H/W at this time. Instead 261119a81c14SSteve Longerbeam * the controls will be restored right after power-up. 261219a81c14SSteve Longerbeam */ 261319a81c14SSteve Longerbeam if (sensor->power_count == 0) 261419a81c14SSteve Longerbeam return 0; 261519a81c14SSteve Longerbeam 261619a81c14SSteve Longerbeam switch (ctrl->id) { 261719a81c14SSteve Longerbeam case V4L2_CID_AUTOGAIN: 261819a81c14SSteve Longerbeam ret = ov5640_set_ctrl_gain(sensor, ctrl->val); 261919a81c14SSteve Longerbeam break; 262019a81c14SSteve Longerbeam case V4L2_CID_EXPOSURE_AUTO: 262119a81c14SSteve Longerbeam ret = ov5640_set_ctrl_exposure(sensor, ctrl->val); 262219a81c14SSteve Longerbeam break; 262319a81c14SSteve Longerbeam case V4L2_CID_AUTO_WHITE_BALANCE: 262419a81c14SSteve Longerbeam ret = ov5640_set_ctrl_white_balance(sensor, ctrl->val); 262519a81c14SSteve Longerbeam break; 262619a81c14SSteve Longerbeam case V4L2_CID_HUE: 262719a81c14SSteve Longerbeam ret = ov5640_set_ctrl_hue(sensor, ctrl->val); 262819a81c14SSteve Longerbeam break; 262919a81c14SSteve Longerbeam case V4L2_CID_CONTRAST: 263019a81c14SSteve Longerbeam ret = ov5640_set_ctrl_contrast(sensor, ctrl->val); 263119a81c14SSteve Longerbeam break; 263219a81c14SSteve Longerbeam case V4L2_CID_SATURATION: 263319a81c14SSteve Longerbeam ret = ov5640_set_ctrl_saturation(sensor, ctrl->val); 263419a81c14SSteve Longerbeam break; 263519a81c14SSteve Longerbeam case V4L2_CID_TEST_PATTERN: 263619a81c14SSteve Longerbeam ret = ov5640_set_ctrl_test_pattern(sensor, ctrl->val); 263719a81c14SSteve Longerbeam break; 26381068fecaSMylène Josserand case V4L2_CID_POWER_LINE_FREQUENCY: 26391068fecaSMylène Josserand ret = ov5640_set_ctrl_light_freq(sensor, ctrl->val); 26401068fecaSMylène Josserand break; 2641ce85705aSHugues Fruchet case V4L2_CID_HFLIP: 2642ce85705aSHugues Fruchet ret = ov5640_set_ctrl_hflip(sensor, ctrl->val); 2643ce85705aSHugues Fruchet break; 2644ce85705aSHugues Fruchet case V4L2_CID_VFLIP: 2645ce85705aSHugues Fruchet ret = ov5640_set_ctrl_vflip(sensor, ctrl->val); 2646ce85705aSHugues Fruchet break; 264719a81c14SSteve Longerbeam default: 264819a81c14SSteve Longerbeam ret = -EINVAL; 264919a81c14SSteve Longerbeam break; 265019a81c14SSteve Longerbeam } 265119a81c14SSteve Longerbeam 265219a81c14SSteve Longerbeam return ret; 265319a81c14SSteve Longerbeam } 265419a81c14SSteve Longerbeam 265519a81c14SSteve Longerbeam static const struct v4l2_ctrl_ops ov5640_ctrl_ops = { 265619a81c14SSteve Longerbeam .g_volatile_ctrl = ov5640_g_volatile_ctrl, 265719a81c14SSteve Longerbeam .s_ctrl = ov5640_s_ctrl, 265819a81c14SSteve Longerbeam }; 265919a81c14SSteve Longerbeam 266019a81c14SSteve Longerbeam static int ov5640_init_controls(struct ov5640_dev *sensor) 266119a81c14SSteve Longerbeam { 266219a81c14SSteve Longerbeam const struct v4l2_ctrl_ops *ops = &ov5640_ctrl_ops; 266319a81c14SSteve Longerbeam struct ov5640_ctrls *ctrls = &sensor->ctrls; 266419a81c14SSteve Longerbeam struct v4l2_ctrl_handler *hdl = &ctrls->handler; 266519a81c14SSteve Longerbeam int ret; 266619a81c14SSteve Longerbeam 266719a81c14SSteve Longerbeam v4l2_ctrl_handler_init(hdl, 32); 266819a81c14SSteve Longerbeam 266919a81c14SSteve Longerbeam /* we can use our own mutex for the ctrl lock */ 267019a81c14SSteve Longerbeam hdl->lock = &sensor->lock; 267119a81c14SSteve Longerbeam 2672cc196e48SBenoit Parrot /* Clock related controls */ 2673cc196e48SBenoit Parrot ctrls->pixel_rate = v4l2_ctrl_new_std(hdl, ops, V4L2_CID_PIXEL_RATE, 2674cc196e48SBenoit Parrot 0, INT_MAX, 1, 2675cc196e48SBenoit Parrot ov5640_calc_pixel_rate(sensor)); 2676cc196e48SBenoit Parrot 267719a81c14SSteve Longerbeam /* Auto/manual white balance */ 267819a81c14SSteve Longerbeam ctrls->auto_wb = v4l2_ctrl_new_std(hdl, ops, 267919a81c14SSteve Longerbeam V4L2_CID_AUTO_WHITE_BALANCE, 268019a81c14SSteve Longerbeam 0, 1, 1, 1); 268119a81c14SSteve Longerbeam ctrls->blue_balance = v4l2_ctrl_new_std(hdl, ops, V4L2_CID_BLUE_BALANCE, 268219a81c14SSteve Longerbeam 0, 4095, 1, 0); 268319a81c14SSteve Longerbeam ctrls->red_balance = v4l2_ctrl_new_std(hdl, ops, V4L2_CID_RED_BALANCE, 268419a81c14SSteve Longerbeam 0, 4095, 1, 0); 268519a81c14SSteve Longerbeam /* Auto/manual exposure */ 268619a81c14SSteve Longerbeam ctrls->auto_exp = v4l2_ctrl_new_std_menu(hdl, ops, 268719a81c14SSteve Longerbeam V4L2_CID_EXPOSURE_AUTO, 268819a81c14SSteve Longerbeam V4L2_EXPOSURE_MANUAL, 0, 268919a81c14SSteve Longerbeam V4L2_EXPOSURE_AUTO); 269019a81c14SSteve Longerbeam ctrls->exposure = v4l2_ctrl_new_std(hdl, ops, V4L2_CID_EXPOSURE, 269119a81c14SSteve Longerbeam 0, 65535, 1, 0); 269219a81c14SSteve Longerbeam /* Auto/manual gain */ 269319a81c14SSteve Longerbeam ctrls->auto_gain = v4l2_ctrl_new_std(hdl, ops, V4L2_CID_AUTOGAIN, 269419a81c14SSteve Longerbeam 0, 1, 1, 1); 269519a81c14SSteve Longerbeam ctrls->gain = v4l2_ctrl_new_std(hdl, ops, V4L2_CID_GAIN, 269619a81c14SSteve Longerbeam 0, 1023, 1, 0); 269719a81c14SSteve Longerbeam 269819a81c14SSteve Longerbeam ctrls->saturation = v4l2_ctrl_new_std(hdl, ops, V4L2_CID_SATURATION, 269919a81c14SSteve Longerbeam 0, 255, 1, 64); 270019a81c14SSteve Longerbeam ctrls->hue = v4l2_ctrl_new_std(hdl, ops, V4L2_CID_HUE, 270119a81c14SSteve Longerbeam 0, 359, 1, 0); 270219a81c14SSteve Longerbeam ctrls->contrast = v4l2_ctrl_new_std(hdl, ops, V4L2_CID_CONTRAST, 270319a81c14SSteve Longerbeam 0, 255, 1, 0); 270419a81c14SSteve Longerbeam ctrls->test_pattern = 270519a81c14SSteve Longerbeam v4l2_ctrl_new_std_menu_items(hdl, ops, V4L2_CID_TEST_PATTERN, 270619a81c14SSteve Longerbeam ARRAY_SIZE(test_pattern_menu) - 1, 270719a81c14SSteve Longerbeam 0, 0, test_pattern_menu); 2708ce85705aSHugues Fruchet ctrls->hflip = v4l2_ctrl_new_std(hdl, ops, V4L2_CID_HFLIP, 2709ce85705aSHugues Fruchet 0, 1, 1, 0); 2710ce85705aSHugues Fruchet ctrls->vflip = v4l2_ctrl_new_std(hdl, ops, V4L2_CID_VFLIP, 2711ce85705aSHugues Fruchet 0, 1, 1, 0); 271219a81c14SSteve Longerbeam 27131068fecaSMylène Josserand ctrls->light_freq = 27141068fecaSMylène Josserand v4l2_ctrl_new_std_menu(hdl, ops, 27151068fecaSMylène Josserand V4L2_CID_POWER_LINE_FREQUENCY, 27161068fecaSMylène Josserand V4L2_CID_POWER_LINE_FREQUENCY_AUTO, 0, 27171068fecaSMylène Josserand V4L2_CID_POWER_LINE_FREQUENCY_50HZ); 27181068fecaSMylène Josserand 271919a81c14SSteve Longerbeam if (hdl->error) { 272019a81c14SSteve Longerbeam ret = hdl->error; 272119a81c14SSteve Longerbeam goto free_ctrls; 272219a81c14SSteve Longerbeam } 272319a81c14SSteve Longerbeam 2724cc196e48SBenoit Parrot ctrls->pixel_rate->flags |= V4L2_CTRL_FLAG_READ_ONLY; 272519a81c14SSteve Longerbeam ctrls->gain->flags |= V4L2_CTRL_FLAG_VOLATILE; 272619a81c14SSteve Longerbeam ctrls->exposure->flags |= V4L2_CTRL_FLAG_VOLATILE; 272719a81c14SSteve Longerbeam 272819a81c14SSteve Longerbeam v4l2_ctrl_auto_cluster(3, &ctrls->auto_wb, 0, false); 272919a81c14SSteve Longerbeam v4l2_ctrl_auto_cluster(2, &ctrls->auto_gain, 0, true); 273019a81c14SSteve Longerbeam v4l2_ctrl_auto_cluster(2, &ctrls->auto_exp, 1, true); 273119a81c14SSteve Longerbeam 273219a81c14SSteve Longerbeam sensor->sd.ctrl_handler = hdl; 273319a81c14SSteve Longerbeam return 0; 273419a81c14SSteve Longerbeam 273519a81c14SSteve Longerbeam free_ctrls: 273619a81c14SSteve Longerbeam v4l2_ctrl_handler_free(hdl); 273719a81c14SSteve Longerbeam return ret; 273819a81c14SSteve Longerbeam } 273919a81c14SSteve Longerbeam 274019a81c14SSteve Longerbeam static int ov5640_enum_frame_size(struct v4l2_subdev *sd, 274119a81c14SSteve Longerbeam struct v4l2_subdev_pad_config *cfg, 274219a81c14SSteve Longerbeam struct v4l2_subdev_frame_size_enum *fse) 274319a81c14SSteve Longerbeam { 274419a81c14SSteve Longerbeam if (fse->pad != 0) 274519a81c14SSteve Longerbeam return -EINVAL; 274619a81c14SSteve Longerbeam if (fse->index >= OV5640_NUM_MODES) 274719a81c14SSteve Longerbeam return -EINVAL; 274819a81c14SSteve Longerbeam 274941d8d7f5SHugues Fruchet fse->min_width = 2750086c25f8SMaxime Ripard ov5640_mode_data[fse->index].hact; 275141d8d7f5SHugues Fruchet fse->max_width = fse->min_width; 275241d8d7f5SHugues Fruchet fse->min_height = 2753086c25f8SMaxime Ripard ov5640_mode_data[fse->index].vact; 275441d8d7f5SHugues Fruchet fse->max_height = fse->min_height; 275519a81c14SSteve Longerbeam 275619a81c14SSteve Longerbeam return 0; 275719a81c14SSteve Longerbeam } 275819a81c14SSteve Longerbeam 275919a81c14SSteve Longerbeam static int ov5640_enum_frame_interval( 276019a81c14SSteve Longerbeam struct v4l2_subdev *sd, 276119a81c14SSteve Longerbeam struct v4l2_subdev_pad_config *cfg, 276219a81c14SSteve Longerbeam struct v4l2_subdev_frame_interval_enum *fie) 276319a81c14SSteve Longerbeam { 276419a81c14SSteve Longerbeam struct ov5640_dev *sensor = to_ov5640_dev(sd); 276519a81c14SSteve Longerbeam struct v4l2_fract tpf; 276619a81c14SSteve Longerbeam int ret; 276719a81c14SSteve Longerbeam 276819a81c14SSteve Longerbeam if (fie->pad != 0) 276919a81c14SSteve Longerbeam return -EINVAL; 277019a81c14SSteve Longerbeam if (fie->index >= OV5640_NUM_FRAMERATES) 277119a81c14SSteve Longerbeam return -EINVAL; 277219a81c14SSteve Longerbeam 277319a81c14SSteve Longerbeam tpf.numerator = 1; 277419a81c14SSteve Longerbeam tpf.denominator = ov5640_framerates[fie->index]; 277519a81c14SSteve Longerbeam 277619a81c14SSteve Longerbeam ret = ov5640_try_frame_interval(sensor, &tpf, 277719a81c14SSteve Longerbeam fie->width, fie->height); 277819a81c14SSteve Longerbeam if (ret < 0) 277919a81c14SSteve Longerbeam return -EINVAL; 278019a81c14SSteve Longerbeam 278119a81c14SSteve Longerbeam fie->interval = tpf; 278219a81c14SSteve Longerbeam return 0; 278319a81c14SSteve Longerbeam } 278419a81c14SSteve Longerbeam 278519a81c14SSteve Longerbeam static int ov5640_g_frame_interval(struct v4l2_subdev *sd, 278619a81c14SSteve Longerbeam struct v4l2_subdev_frame_interval *fi) 278719a81c14SSteve Longerbeam { 278819a81c14SSteve Longerbeam struct ov5640_dev *sensor = to_ov5640_dev(sd); 278919a81c14SSteve Longerbeam 279019a81c14SSteve Longerbeam mutex_lock(&sensor->lock); 279119a81c14SSteve Longerbeam fi->interval = sensor->frame_interval; 279219a81c14SSteve Longerbeam mutex_unlock(&sensor->lock); 279319a81c14SSteve Longerbeam 279419a81c14SSteve Longerbeam return 0; 279519a81c14SSteve Longerbeam } 279619a81c14SSteve Longerbeam 279719a81c14SSteve Longerbeam static int ov5640_s_frame_interval(struct v4l2_subdev *sd, 279819a81c14SSteve Longerbeam struct v4l2_subdev_frame_interval *fi) 279919a81c14SSteve Longerbeam { 280019a81c14SSteve Longerbeam struct ov5640_dev *sensor = to_ov5640_dev(sd); 280119a81c14SSteve Longerbeam const struct ov5640_mode_info *mode; 280219a81c14SSteve Longerbeam int frame_rate, ret = 0; 280319a81c14SSteve Longerbeam 280419a81c14SSteve Longerbeam if (fi->pad != 0) 280519a81c14SSteve Longerbeam return -EINVAL; 280619a81c14SSteve Longerbeam 280719a81c14SSteve Longerbeam mutex_lock(&sensor->lock); 280819a81c14SSteve Longerbeam 280919a81c14SSteve Longerbeam if (sensor->streaming) { 281019a81c14SSteve Longerbeam ret = -EBUSY; 281119a81c14SSteve Longerbeam goto out; 281219a81c14SSteve Longerbeam } 281319a81c14SSteve Longerbeam 281419a81c14SSteve Longerbeam mode = sensor->current_mode; 281519a81c14SSteve Longerbeam 281619a81c14SSteve Longerbeam frame_rate = ov5640_try_frame_interval(sensor, &fi->interval, 2817dba13a0bSMaxime Ripard mode->hact, mode->vact); 2818e823fb16SMaxime Ripard if (frame_rate < 0) { 2819e823fb16SMaxime Ripard /* Always return a valid frame interval value */ 2820e823fb16SMaxime Ripard fi->interval = sensor->frame_interval; 2821e823fb16SMaxime Ripard goto out; 2822e823fb16SMaxime Ripard } 282319a81c14SSteve Longerbeam 28243c4a7372SHugues Fruchet mode = ov5640_find_mode(sensor, frame_rate, mode->hact, 2825dba13a0bSMaxime Ripard mode->vact, true); 28263c4a7372SHugues Fruchet if (!mode) { 28273c4a7372SHugues Fruchet ret = -EINVAL; 28283c4a7372SHugues Fruchet goto out; 28293c4a7372SHugues Fruchet } 28303c4a7372SHugues Fruchet 28310929983eSHugues Fruchet if (mode != sensor->current_mode || 28320929983eSHugues Fruchet frame_rate != sensor->current_fr) { 28330929983eSHugues Fruchet sensor->current_fr = frame_rate; 28340929983eSHugues Fruchet sensor->frame_interval = fi->interval; 28353c4a7372SHugues Fruchet sensor->current_mode = mode; 283619a81c14SSteve Longerbeam sensor->pending_mode_change = true; 2837cc196e48SBenoit Parrot 2838cc196e48SBenoit Parrot __v4l2_ctrl_s_ctrl_int64(sensor->ctrls.pixel_rate, 2839cc196e48SBenoit Parrot ov5640_calc_pixel_rate(sensor)); 28406949d864SHugues Fruchet } 284119a81c14SSteve Longerbeam out: 284219a81c14SSteve Longerbeam mutex_unlock(&sensor->lock); 284319a81c14SSteve Longerbeam return ret; 284419a81c14SSteve Longerbeam } 284519a81c14SSteve Longerbeam 284619a81c14SSteve Longerbeam static int ov5640_enum_mbus_code(struct v4l2_subdev *sd, 284719a81c14SSteve Longerbeam struct v4l2_subdev_pad_config *cfg, 284819a81c14SSteve Longerbeam struct v4l2_subdev_mbus_code_enum *code) 284919a81c14SSteve Longerbeam { 285019a81c14SSteve Longerbeam if (code->pad != 0) 285119a81c14SSteve Longerbeam return -EINVAL; 2852e3ee691dSHugues Fruchet if (code->index >= ARRAY_SIZE(ov5640_formats)) 285319a81c14SSteve Longerbeam return -EINVAL; 285419a81c14SSteve Longerbeam 2855e3ee691dSHugues Fruchet code->code = ov5640_formats[code->index].code; 285619a81c14SSteve Longerbeam return 0; 285719a81c14SSteve Longerbeam } 285819a81c14SSteve Longerbeam 285919a81c14SSteve Longerbeam static int ov5640_s_stream(struct v4l2_subdev *sd, int enable) 286019a81c14SSteve Longerbeam { 286119a81c14SSteve Longerbeam struct ov5640_dev *sensor = to_ov5640_dev(sd); 286219a81c14SSteve Longerbeam int ret = 0; 286319a81c14SSteve Longerbeam 286419a81c14SSteve Longerbeam mutex_lock(&sensor->lock); 286519a81c14SSteve Longerbeam 286619a81c14SSteve Longerbeam if (sensor->streaming == !enable) { 286719a81c14SSteve Longerbeam if (enable && sensor->pending_mode_change) { 2868985cdcb0SHugues Fruchet ret = ov5640_set_mode(sensor); 286919a81c14SSteve Longerbeam if (ret) 287019a81c14SSteve Longerbeam goto out; 2871fb98e29fSHugues Fruchet } 2872e3ee691dSHugues Fruchet 2873fb98e29fSHugues Fruchet if (enable && sensor->pending_fmt_change) { 2874e3ee691dSHugues Fruchet ret = ov5640_set_framefmt(sensor, &sensor->fmt); 2875e3ee691dSHugues Fruchet if (ret) 2876e3ee691dSHugues Fruchet goto out; 2877fb98e29fSHugues Fruchet sensor->pending_fmt_change = false; 287819a81c14SSteve Longerbeam } 287919a81c14SSteve Longerbeam 28802d95e7edSSakari Ailus if (sensor->ep.bus_type == V4L2_MBUS_CSI2_DPHY) 2881f22996dbSHugues Fruchet ret = ov5640_set_stream_mipi(sensor, enable); 2882f22996dbSHugues Fruchet else 2883f22996dbSHugues Fruchet ret = ov5640_set_stream_dvp(sensor, enable); 2884f22996dbSHugues Fruchet 288519a81c14SSteve Longerbeam if (!ret) 288619a81c14SSteve Longerbeam sensor->streaming = enable; 288719a81c14SSteve Longerbeam } 288819a81c14SSteve Longerbeam out: 288919a81c14SSteve Longerbeam mutex_unlock(&sensor->lock); 289019a81c14SSteve Longerbeam return ret; 289119a81c14SSteve Longerbeam } 289219a81c14SSteve Longerbeam 289319a81c14SSteve Longerbeam static const struct v4l2_subdev_core_ops ov5640_core_ops = { 289419a81c14SSteve Longerbeam .s_power = ov5640_s_power, 28952d18fbc5SAkinobu Mita .log_status = v4l2_ctrl_subdev_log_status, 28962d18fbc5SAkinobu Mita .subscribe_event = v4l2_ctrl_subdev_subscribe_event, 28972d18fbc5SAkinobu Mita .unsubscribe_event = v4l2_event_subdev_unsubscribe, 289819a81c14SSteve Longerbeam }; 289919a81c14SSteve Longerbeam 290019a81c14SSteve Longerbeam static const struct v4l2_subdev_video_ops ov5640_video_ops = { 290119a81c14SSteve Longerbeam .g_frame_interval = ov5640_g_frame_interval, 290219a81c14SSteve Longerbeam .s_frame_interval = ov5640_s_frame_interval, 290319a81c14SSteve Longerbeam .s_stream = ov5640_s_stream, 290419a81c14SSteve Longerbeam }; 290519a81c14SSteve Longerbeam 290619a81c14SSteve Longerbeam static const struct v4l2_subdev_pad_ops ov5640_pad_ops = { 290719a81c14SSteve Longerbeam .enum_mbus_code = ov5640_enum_mbus_code, 290819a81c14SSteve Longerbeam .get_fmt = ov5640_get_fmt, 290919a81c14SSteve Longerbeam .set_fmt = ov5640_set_fmt, 291019a81c14SSteve Longerbeam .enum_frame_size = ov5640_enum_frame_size, 291119a81c14SSteve Longerbeam .enum_frame_interval = ov5640_enum_frame_interval, 291219a81c14SSteve Longerbeam }; 291319a81c14SSteve Longerbeam 291419a81c14SSteve Longerbeam static const struct v4l2_subdev_ops ov5640_subdev_ops = { 291519a81c14SSteve Longerbeam .core = &ov5640_core_ops, 291619a81c14SSteve Longerbeam .video = &ov5640_video_ops, 291719a81c14SSteve Longerbeam .pad = &ov5640_pad_ops, 291819a81c14SSteve Longerbeam }; 291919a81c14SSteve Longerbeam 292019a81c14SSteve Longerbeam static int ov5640_get_regulators(struct ov5640_dev *sensor) 292119a81c14SSteve Longerbeam { 292219a81c14SSteve Longerbeam int i; 292319a81c14SSteve Longerbeam 292419a81c14SSteve Longerbeam for (i = 0; i < OV5640_NUM_SUPPLIES; i++) 292519a81c14SSteve Longerbeam sensor->supplies[i].supply = ov5640_supply_name[i]; 292619a81c14SSteve Longerbeam 292719a81c14SSteve Longerbeam return devm_regulator_bulk_get(&sensor->i2c_client->dev, 292819a81c14SSteve Longerbeam OV5640_NUM_SUPPLIES, 292919a81c14SSteve Longerbeam sensor->supplies); 293019a81c14SSteve Longerbeam } 293119a81c14SSteve Longerbeam 29320f7acb52SHugues Fruchet static int ov5640_check_chip_id(struct ov5640_dev *sensor) 29330f7acb52SHugues Fruchet { 29340f7acb52SHugues Fruchet struct i2c_client *client = sensor->i2c_client; 29350f7acb52SHugues Fruchet int ret = 0; 29360f7acb52SHugues Fruchet u16 chip_id; 29370f7acb52SHugues Fruchet 29380f7acb52SHugues Fruchet ret = ov5640_set_power_on(sensor); 29390f7acb52SHugues Fruchet if (ret) 29400f7acb52SHugues Fruchet return ret; 29410f7acb52SHugues Fruchet 29420f7acb52SHugues Fruchet ret = ov5640_read_reg16(sensor, OV5640_REG_CHIP_ID, &chip_id); 29430f7acb52SHugues Fruchet if (ret) { 29440f7acb52SHugues Fruchet dev_err(&client->dev, "%s: failed to read chip identifier\n", 29450f7acb52SHugues Fruchet __func__); 29460f7acb52SHugues Fruchet goto power_off; 29470f7acb52SHugues Fruchet } 29480f7acb52SHugues Fruchet 29490f7acb52SHugues Fruchet if (chip_id != 0x5640) { 29500f7acb52SHugues Fruchet dev_err(&client->dev, "%s: wrong chip identifier, expected 0x5640, got 0x%x\n", 29510f7acb52SHugues Fruchet __func__, chip_id); 29520f7acb52SHugues Fruchet ret = -ENXIO; 29530f7acb52SHugues Fruchet } 29540f7acb52SHugues Fruchet 29550f7acb52SHugues Fruchet power_off: 29560f7acb52SHugues Fruchet ov5640_set_power_off(sensor); 29570f7acb52SHugues Fruchet return ret; 29580f7acb52SHugues Fruchet } 29590f7acb52SHugues Fruchet 2960e6714993SKieran Bingham static int ov5640_probe(struct i2c_client *client) 296119a81c14SSteve Longerbeam { 296219a81c14SSteve Longerbeam struct device *dev = &client->dev; 296319a81c14SSteve Longerbeam struct fwnode_handle *endpoint; 296419a81c14SSteve Longerbeam struct ov5640_dev *sensor; 2965e6441fdeSHugues Fruchet struct v4l2_mbus_framefmt *fmt; 2966c3f3ba3eSHugues Fruchet u32 rotation; 296719a81c14SSteve Longerbeam int ret; 296819a81c14SSteve Longerbeam 296919a81c14SSteve Longerbeam sensor = devm_kzalloc(dev, sizeof(*sensor), GFP_KERNEL); 297019a81c14SSteve Longerbeam if (!sensor) 297119a81c14SSteve Longerbeam return -ENOMEM; 297219a81c14SSteve Longerbeam 297319a81c14SSteve Longerbeam sensor->i2c_client = client; 2974fb98e29fSHugues Fruchet 2975fb98e29fSHugues Fruchet /* 2976fb98e29fSHugues Fruchet * default init sequence initialize sensor to 2977fb98e29fSHugues Fruchet * YUV422 UYVY VGA@30fps 2978fb98e29fSHugues Fruchet */ 2979e6441fdeSHugues Fruchet fmt = &sensor->fmt; 2980fb98e29fSHugues Fruchet fmt->code = MEDIA_BUS_FMT_UYVY8_2X8; 2981fb98e29fSHugues Fruchet fmt->colorspace = V4L2_COLORSPACE_SRGB; 2982e6441fdeSHugues Fruchet fmt->ycbcr_enc = V4L2_MAP_YCBCR_ENC_DEFAULT(fmt->colorspace); 2983e6441fdeSHugues Fruchet fmt->quantization = V4L2_QUANTIZATION_FULL_RANGE; 2984e6441fdeSHugues Fruchet fmt->xfer_func = V4L2_MAP_XFER_FUNC_DEFAULT(fmt->colorspace); 2985e6441fdeSHugues Fruchet fmt->width = 640; 2986e6441fdeSHugues Fruchet fmt->height = 480; 2987e6441fdeSHugues Fruchet fmt->field = V4L2_FIELD_NONE; 298819a81c14SSteve Longerbeam sensor->frame_interval.numerator = 1; 298919a81c14SSteve Longerbeam sensor->frame_interval.denominator = ov5640_framerates[OV5640_30_FPS]; 299019a81c14SSteve Longerbeam sensor->current_fr = OV5640_30_FPS; 299119a81c14SSteve Longerbeam sensor->current_mode = 2992086c25f8SMaxime Ripard &ov5640_mode_data[OV5640_MODE_VGA_640_480]; 2993985cdcb0SHugues Fruchet sensor->last_mode = sensor->current_mode; 299419a81c14SSteve Longerbeam 299519a81c14SSteve Longerbeam sensor->ae_target = 52; 299619a81c14SSteve Longerbeam 2997c3f3ba3eSHugues Fruchet /* optional indication of physical rotation of sensor */ 2998c3f3ba3eSHugues Fruchet ret = fwnode_property_read_u32(dev_fwnode(&client->dev), "rotation", 2999c3f3ba3eSHugues Fruchet &rotation); 3000c3f3ba3eSHugues Fruchet if (!ret) { 3001c3f3ba3eSHugues Fruchet switch (rotation) { 3002c3f3ba3eSHugues Fruchet case 180: 3003c3f3ba3eSHugues Fruchet sensor->upside_down = true; 3004c3f3ba3eSHugues Fruchet /* fall through */ 3005c3f3ba3eSHugues Fruchet case 0: 3006c3f3ba3eSHugues Fruchet break; 3007c3f3ba3eSHugues Fruchet default: 3008c3f3ba3eSHugues Fruchet dev_warn(dev, "%u degrees rotation is not supported, ignoring...\n", 3009c3f3ba3eSHugues Fruchet rotation); 3010c3f3ba3eSHugues Fruchet } 3011c3f3ba3eSHugues Fruchet } 3012c3f3ba3eSHugues Fruchet 3013ce96bcf5SSakari Ailus endpoint = fwnode_graph_get_next_endpoint(dev_fwnode(&client->dev), 3014ce96bcf5SSakari Ailus NULL); 301519a81c14SSteve Longerbeam if (!endpoint) { 301619a81c14SSteve Longerbeam dev_err(dev, "endpoint node not found\n"); 301719a81c14SSteve Longerbeam return -EINVAL; 301819a81c14SSteve Longerbeam } 301919a81c14SSteve Longerbeam 302019a81c14SSteve Longerbeam ret = v4l2_fwnode_endpoint_parse(endpoint, &sensor->ep); 302119a81c14SSteve Longerbeam fwnode_handle_put(endpoint); 302219a81c14SSteve Longerbeam if (ret) { 302319a81c14SSteve Longerbeam dev_err(dev, "Could not parse endpoint\n"); 302419a81c14SSteve Longerbeam return ret; 302519a81c14SSteve Longerbeam } 302619a81c14SSteve Longerbeam 302719a81c14SSteve Longerbeam /* get system clock (xclk) */ 302819a81c14SSteve Longerbeam sensor->xclk = devm_clk_get(dev, "xclk"); 302919a81c14SSteve Longerbeam if (IS_ERR(sensor->xclk)) { 303019a81c14SSteve Longerbeam dev_err(dev, "failed to get xclk\n"); 303119a81c14SSteve Longerbeam return PTR_ERR(sensor->xclk); 303219a81c14SSteve Longerbeam } 303319a81c14SSteve Longerbeam 303419a81c14SSteve Longerbeam sensor->xclk_freq = clk_get_rate(sensor->xclk); 303519a81c14SSteve Longerbeam if (sensor->xclk_freq < OV5640_XCLK_MIN || 303619a81c14SSteve Longerbeam sensor->xclk_freq > OV5640_XCLK_MAX) { 303719a81c14SSteve Longerbeam dev_err(dev, "xclk frequency out of range: %d Hz\n", 303819a81c14SSteve Longerbeam sensor->xclk_freq); 303919a81c14SSteve Longerbeam return -EINVAL; 304019a81c14SSteve Longerbeam } 304119a81c14SSteve Longerbeam 304219a81c14SSteve Longerbeam /* request optional power down pin */ 304319a81c14SSteve Longerbeam sensor->pwdn_gpio = devm_gpiod_get_optional(dev, "powerdown", 304419a81c14SSteve Longerbeam GPIOD_OUT_HIGH); 30458791a102SFabio Estevam if (IS_ERR(sensor->pwdn_gpio)) 30468791a102SFabio Estevam return PTR_ERR(sensor->pwdn_gpio); 30478791a102SFabio Estevam 304819a81c14SSteve Longerbeam /* request optional reset pin */ 304919a81c14SSteve Longerbeam sensor->reset_gpio = devm_gpiod_get_optional(dev, "reset", 305019a81c14SSteve Longerbeam GPIOD_OUT_HIGH); 30518791a102SFabio Estevam if (IS_ERR(sensor->reset_gpio)) 30528791a102SFabio Estevam return PTR_ERR(sensor->reset_gpio); 305319a81c14SSteve Longerbeam 305419a81c14SSteve Longerbeam v4l2_i2c_subdev_init(&sensor->sd, client, &ov5640_subdev_ops); 305519a81c14SSteve Longerbeam 30562d18fbc5SAkinobu Mita sensor->sd.flags |= V4L2_SUBDEV_FL_HAS_DEVNODE | 30572d18fbc5SAkinobu Mita V4L2_SUBDEV_FL_HAS_EVENTS; 305819a81c14SSteve Longerbeam sensor->pad.flags = MEDIA_PAD_FL_SOURCE; 305919a81c14SSteve Longerbeam sensor->sd.entity.function = MEDIA_ENT_F_CAM_SENSOR; 306019a81c14SSteve Longerbeam ret = media_entity_pads_init(&sensor->sd.entity, 1, &sensor->pad); 306119a81c14SSteve Longerbeam if (ret) 306219a81c14SSteve Longerbeam return ret; 306319a81c14SSteve Longerbeam 306419a81c14SSteve Longerbeam ret = ov5640_get_regulators(sensor); 306519a81c14SSteve Longerbeam if (ret) 306619a81c14SSteve Longerbeam return ret; 306719a81c14SSteve Longerbeam 306819a81c14SSteve Longerbeam mutex_init(&sensor->lock); 306919a81c14SSteve Longerbeam 30700f7acb52SHugues Fruchet ret = ov5640_check_chip_id(sensor); 30710f7acb52SHugues Fruchet if (ret) 30720f7acb52SHugues Fruchet goto entity_cleanup; 30730f7acb52SHugues Fruchet 307419a81c14SSteve Longerbeam ret = ov5640_init_controls(sensor); 307519a81c14SSteve Longerbeam if (ret) 307619a81c14SSteve Longerbeam goto entity_cleanup; 307719a81c14SSteve Longerbeam 30782f1fc5efSLuca Weiss ret = v4l2_async_register_subdev_sensor_common(&sensor->sd); 307919a81c14SSteve Longerbeam if (ret) 308019a81c14SSteve Longerbeam goto free_ctrls; 308119a81c14SSteve Longerbeam 308219a81c14SSteve Longerbeam return 0; 308319a81c14SSteve Longerbeam 308419a81c14SSteve Longerbeam free_ctrls: 308519a81c14SSteve Longerbeam v4l2_ctrl_handler_free(&sensor->ctrls.handler); 308619a81c14SSteve Longerbeam entity_cleanup: 308719a81c14SSteve Longerbeam mutex_destroy(&sensor->lock); 308819a81c14SSteve Longerbeam media_entity_cleanup(&sensor->sd.entity); 308919a81c14SSteve Longerbeam return ret; 309019a81c14SSteve Longerbeam } 309119a81c14SSteve Longerbeam 309219a81c14SSteve Longerbeam static int ov5640_remove(struct i2c_client *client) 309319a81c14SSteve Longerbeam { 309419a81c14SSteve Longerbeam struct v4l2_subdev *sd = i2c_get_clientdata(client); 309519a81c14SSteve Longerbeam struct ov5640_dev *sensor = to_ov5640_dev(sd); 309619a81c14SSteve Longerbeam 309719a81c14SSteve Longerbeam v4l2_async_unregister_subdev(&sensor->sd); 309819a81c14SSteve Longerbeam mutex_destroy(&sensor->lock); 309919a81c14SSteve Longerbeam media_entity_cleanup(&sensor->sd.entity); 310019a81c14SSteve Longerbeam v4l2_ctrl_handler_free(&sensor->ctrls.handler); 310119a81c14SSteve Longerbeam 310219a81c14SSteve Longerbeam return 0; 310319a81c14SSteve Longerbeam } 310419a81c14SSteve Longerbeam 310519a81c14SSteve Longerbeam static const struct i2c_device_id ov5640_id[] = { 310619a81c14SSteve Longerbeam {"ov5640", 0}, 310719a81c14SSteve Longerbeam {}, 310819a81c14SSteve Longerbeam }; 310919a81c14SSteve Longerbeam MODULE_DEVICE_TABLE(i2c, ov5640_id); 311019a81c14SSteve Longerbeam 311119a81c14SSteve Longerbeam static const struct of_device_id ov5640_dt_ids[] = { 311219a81c14SSteve Longerbeam { .compatible = "ovti,ov5640" }, 311319a81c14SSteve Longerbeam { /* sentinel */ } 311419a81c14SSteve Longerbeam }; 311519a81c14SSteve Longerbeam MODULE_DEVICE_TABLE(of, ov5640_dt_ids); 311619a81c14SSteve Longerbeam 311719a81c14SSteve Longerbeam static struct i2c_driver ov5640_i2c_driver = { 311819a81c14SSteve Longerbeam .driver = { 311919a81c14SSteve Longerbeam .name = "ov5640", 312019a81c14SSteve Longerbeam .of_match_table = ov5640_dt_ids, 312119a81c14SSteve Longerbeam }, 312219a81c14SSteve Longerbeam .id_table = ov5640_id, 3123e6714993SKieran Bingham .probe_new = ov5640_probe, 312419a81c14SSteve Longerbeam .remove = ov5640_remove, 312519a81c14SSteve Longerbeam }; 312619a81c14SSteve Longerbeam 312719a81c14SSteve Longerbeam module_i2c_driver(ov5640_i2c_driver); 312819a81c14SSteve Longerbeam 312919a81c14SSteve Longerbeam MODULE_DESCRIPTION("OV5640 MIPI Camera Subdev Driver"); 313019a81c14SSteve Longerbeam MODULE_LICENSE("GPL"); 3131