119a81c14SSteve Longerbeam /* 219a81c14SSteve Longerbeam * Copyright (C) 2011-2013 Freescale Semiconductor, Inc. All Rights Reserved. 319a81c14SSteve Longerbeam * Copyright (C) 2014-2017 Mentor Graphics Inc. 419a81c14SSteve Longerbeam * 519a81c14SSteve Longerbeam * This program is free software; you can redistribute it and/or modify 619a81c14SSteve Longerbeam * it under the terms of the GNU General Public License as published by 719a81c14SSteve Longerbeam * the Free Software Foundation; either version 2 of the License, or 819a81c14SSteve Longerbeam * (at your option) any later version. 919a81c14SSteve Longerbeam */ 1019a81c14SSteve Longerbeam 1119a81c14SSteve Longerbeam #include <linux/clk.h> 1219a81c14SSteve Longerbeam #include <linux/clk-provider.h> 1319a81c14SSteve Longerbeam #include <linux/clkdev.h> 1419a81c14SSteve Longerbeam #include <linux/ctype.h> 1519a81c14SSteve Longerbeam #include <linux/delay.h> 1619a81c14SSteve Longerbeam #include <linux/device.h> 1741d8d7f5SHugues Fruchet #include <linux/gpio/consumer.h> 1819a81c14SSteve Longerbeam #include <linux/i2c.h> 1919a81c14SSteve Longerbeam #include <linux/init.h> 2019a81c14SSteve Longerbeam #include <linux/module.h> 2119a81c14SSteve Longerbeam #include <linux/of_device.h> 2241d8d7f5SHugues Fruchet #include <linux/regulator/consumer.h> 2319a81c14SSteve Longerbeam #include <linux/slab.h> 2419a81c14SSteve Longerbeam #include <linux/types.h> 2519a81c14SSteve Longerbeam #include <media/v4l2-async.h> 2619a81c14SSteve Longerbeam #include <media/v4l2-ctrls.h> 2719a81c14SSteve Longerbeam #include <media/v4l2-device.h> 282d18fbc5SAkinobu Mita #include <media/v4l2-event.h> 2919a81c14SSteve Longerbeam #include <media/v4l2-fwnode.h> 3019a81c14SSteve Longerbeam #include <media/v4l2-subdev.h> 3119a81c14SSteve Longerbeam 3219a81c14SSteve Longerbeam /* min/typical/max system clock (xclk) frequencies */ 3319a81c14SSteve Longerbeam #define OV5640_XCLK_MIN 6000000 3441cb1c73SPhilipp Puschmann #define OV5640_XCLK_MAX 54000000 3519a81c14SSteve Longerbeam 3619a81c14SSteve Longerbeam #define OV5640_DEFAULT_SLAVE_ID 0x3c 3719a81c14SSteve Longerbeam 38d47c4126SHugues Fruchet #define OV5640_REG_SYS_RESET02 0x3002 39d47c4126SHugues Fruchet #define OV5640_REG_SYS_CLOCK_ENABLE02 0x3006 40f22996dbSHugues Fruchet #define OV5640_REG_SYS_CTRL0 0x3008 4119a81c14SSteve Longerbeam #define OV5640_REG_CHIP_ID 0x300a 42f22996dbSHugues Fruchet #define OV5640_REG_IO_MIPI_CTRL00 0x300e 43f22996dbSHugues Fruchet #define OV5640_REG_PAD_OUTPUT_ENABLE01 0x3017 44f22996dbSHugues Fruchet #define OV5640_REG_PAD_OUTPUT_ENABLE02 0x3018 4519a81c14SSteve Longerbeam #define OV5640_REG_PAD_OUTPUT00 0x3019 46f22996dbSHugues Fruchet #define OV5640_REG_SYSTEM_CONTROL1 0x302e 4719a81c14SSteve Longerbeam #define OV5640_REG_SC_PLL_CTRL0 0x3034 4819a81c14SSteve Longerbeam #define OV5640_REG_SC_PLL_CTRL1 0x3035 4919a81c14SSteve Longerbeam #define OV5640_REG_SC_PLL_CTRL2 0x3036 5019a81c14SSteve Longerbeam #define OV5640_REG_SC_PLL_CTRL3 0x3037 5119a81c14SSteve Longerbeam #define OV5640_REG_SLAVE_ID 0x3100 52f22996dbSHugues Fruchet #define OV5640_REG_SCCB_SYS_CTRL1 0x3103 5319a81c14SSteve Longerbeam #define OV5640_REG_SYS_ROOT_DIVIDER 0x3108 5419a81c14SSteve Longerbeam #define OV5640_REG_AWB_R_GAIN 0x3400 5519a81c14SSteve Longerbeam #define OV5640_REG_AWB_G_GAIN 0x3402 5619a81c14SSteve Longerbeam #define OV5640_REG_AWB_B_GAIN 0x3404 5719a81c14SSteve Longerbeam #define OV5640_REG_AWB_MANUAL_CTRL 0x3406 5819a81c14SSteve Longerbeam #define OV5640_REG_AEC_PK_EXPOSURE_HI 0x3500 5919a81c14SSteve Longerbeam #define OV5640_REG_AEC_PK_EXPOSURE_MED 0x3501 6019a81c14SSteve Longerbeam #define OV5640_REG_AEC_PK_EXPOSURE_LO 0x3502 6119a81c14SSteve Longerbeam #define OV5640_REG_AEC_PK_MANUAL 0x3503 6219a81c14SSteve Longerbeam #define OV5640_REG_AEC_PK_REAL_GAIN 0x350a 6319a81c14SSteve Longerbeam #define OV5640_REG_AEC_PK_VTS 0x350c 6486633417SMaxime Ripard #define OV5640_REG_TIMING_DVPHO 0x3808 6586633417SMaxime Ripard #define OV5640_REG_TIMING_DVPVO 0x380a 6619a81c14SSteve Longerbeam #define OV5640_REG_TIMING_HTS 0x380c 6719a81c14SSteve Longerbeam #define OV5640_REG_TIMING_VTS 0x380e 68ce85705aSHugues Fruchet #define OV5640_REG_TIMING_TC_REG20 0x3820 6919a81c14SSteve Longerbeam #define OV5640_REG_TIMING_TC_REG21 0x3821 7019a81c14SSteve Longerbeam #define OV5640_REG_AEC_CTRL00 0x3a00 7119a81c14SSteve Longerbeam #define OV5640_REG_AEC_B50_STEP 0x3a08 7219a81c14SSteve Longerbeam #define OV5640_REG_AEC_B60_STEP 0x3a0a 7319a81c14SSteve Longerbeam #define OV5640_REG_AEC_CTRL0D 0x3a0d 7419a81c14SSteve Longerbeam #define OV5640_REG_AEC_CTRL0E 0x3a0e 7519a81c14SSteve Longerbeam #define OV5640_REG_AEC_CTRL0F 0x3a0f 7619a81c14SSteve Longerbeam #define OV5640_REG_AEC_CTRL10 0x3a10 7719a81c14SSteve Longerbeam #define OV5640_REG_AEC_CTRL11 0x3a11 7819a81c14SSteve Longerbeam #define OV5640_REG_AEC_CTRL1B 0x3a1b 7919a81c14SSteve Longerbeam #define OV5640_REG_AEC_CTRL1E 0x3a1e 8019a81c14SSteve Longerbeam #define OV5640_REG_AEC_CTRL1F 0x3a1f 8119a81c14SSteve Longerbeam #define OV5640_REG_HZ5060_CTRL00 0x3c00 8219a81c14SSteve Longerbeam #define OV5640_REG_HZ5060_CTRL01 0x3c01 8319a81c14SSteve Longerbeam #define OV5640_REG_SIGMADELTA_CTRL0C 0x3c0c 8419a81c14SSteve Longerbeam #define OV5640_REG_FRAME_CTRL01 0x4202 85e3ee691dSHugues Fruchet #define OV5640_REG_FORMAT_CONTROL00 0x4300 86f22996dbSHugues Fruchet #define OV5640_REG_POLARITY_CTRL00 0x4740 8719a81c14SSteve Longerbeam #define OV5640_REG_MIPI_CTRL00 0x4800 8819a81c14SSteve Longerbeam #define OV5640_REG_DEBUG_MODE 0x4814 89e3ee691dSHugues Fruchet #define OV5640_REG_ISP_FORMAT_MUX_CTRL 0x501f 9019a81c14SSteve Longerbeam #define OV5640_REG_PRE_ISP_TEST_SET1 0x503d 9119a81c14SSteve Longerbeam #define OV5640_REG_SDE_CTRL0 0x5580 9219a81c14SSteve Longerbeam #define OV5640_REG_SDE_CTRL1 0x5581 9319a81c14SSteve Longerbeam #define OV5640_REG_SDE_CTRL3 0x5583 9419a81c14SSteve Longerbeam #define OV5640_REG_SDE_CTRL4 0x5584 9519a81c14SSteve Longerbeam #define OV5640_REG_SDE_CTRL5 0x5585 9619a81c14SSteve Longerbeam #define OV5640_REG_AVG_READOUT 0x56a1 9719a81c14SSteve Longerbeam 9819a81c14SSteve Longerbeam enum ov5640_mode_id { 9919a81c14SSteve Longerbeam OV5640_MODE_QCIF_176_144 = 0, 10019a81c14SSteve Longerbeam OV5640_MODE_QVGA_320_240, 10119a81c14SSteve Longerbeam OV5640_MODE_VGA_640_480, 10219a81c14SSteve Longerbeam OV5640_MODE_NTSC_720_480, 10319a81c14SSteve Longerbeam OV5640_MODE_PAL_720_576, 10419a81c14SSteve Longerbeam OV5640_MODE_XGA_1024_768, 10519a81c14SSteve Longerbeam OV5640_MODE_720P_1280_720, 10619a81c14SSteve Longerbeam OV5640_MODE_1080P_1920_1080, 10719a81c14SSteve Longerbeam OV5640_MODE_QSXGA_2592_1944, 10819a81c14SSteve Longerbeam OV5640_NUM_MODES, 10919a81c14SSteve Longerbeam }; 11019a81c14SSteve Longerbeam 11119a81c14SSteve Longerbeam enum ov5640_frame_rate { 11219a81c14SSteve Longerbeam OV5640_15_FPS = 0, 11319a81c14SSteve Longerbeam OV5640_30_FPS, 114e823fb16SMaxime Ripard OV5640_60_FPS, 11519a81c14SSteve Longerbeam OV5640_NUM_FRAMERATES, 11619a81c14SSteve Longerbeam }; 11719a81c14SSteve Longerbeam 118b7ed3abdSLoic Poulain enum ov5640_format_mux { 119b7ed3abdSLoic Poulain OV5640_FMT_MUX_YUV422 = 0, 120b7ed3abdSLoic Poulain OV5640_FMT_MUX_RGB, 121b7ed3abdSLoic Poulain OV5640_FMT_MUX_DITHER, 122b7ed3abdSLoic Poulain OV5640_FMT_MUX_RAW_DPC, 123b7ed3abdSLoic Poulain OV5640_FMT_MUX_SNR_RAW, 124b7ed3abdSLoic Poulain OV5640_FMT_MUX_RAW_CIP, 125b7ed3abdSLoic Poulain }; 126b7ed3abdSLoic Poulain 127e3ee691dSHugues Fruchet struct ov5640_pixfmt { 128e3ee691dSHugues Fruchet u32 code; 129e3ee691dSHugues Fruchet u32 colorspace; 130e3ee691dSHugues Fruchet }; 131e3ee691dSHugues Fruchet 132e3ee691dSHugues Fruchet static const struct ov5640_pixfmt ov5640_formats[] = { 133d47c4126SHugues Fruchet { MEDIA_BUS_FMT_JPEG_1X8, V4L2_COLORSPACE_JPEG, }, 134e3ee691dSHugues Fruchet { MEDIA_BUS_FMT_UYVY8_2X8, V4L2_COLORSPACE_SRGB, }, 135e3ee691dSHugues Fruchet { MEDIA_BUS_FMT_YUYV8_2X8, V4L2_COLORSPACE_SRGB, }, 136e3ee691dSHugues Fruchet { MEDIA_BUS_FMT_RGB565_2X8_LE, V4L2_COLORSPACE_SRGB, }, 137e3ee691dSHugues Fruchet { MEDIA_BUS_FMT_RGB565_2X8_BE, V4L2_COLORSPACE_SRGB, }, 138b7ed3abdSLoic Poulain { MEDIA_BUS_FMT_SBGGR8_1X8, V4L2_COLORSPACE_SRGB, }, 139b7ed3abdSLoic Poulain { MEDIA_BUS_FMT_SGBRG8_1X8, V4L2_COLORSPACE_SRGB, }, 140b7ed3abdSLoic Poulain { MEDIA_BUS_FMT_SGRBG8_1X8, V4L2_COLORSPACE_SRGB, }, 141b7ed3abdSLoic Poulain { MEDIA_BUS_FMT_SRGGB8_1X8, V4L2_COLORSPACE_SRGB, }, 142e3ee691dSHugues Fruchet }; 143e3ee691dSHugues Fruchet 14419a81c14SSteve Longerbeam /* 14519a81c14SSteve Longerbeam * FIXME: remove this when a subdev API becomes available 14619a81c14SSteve Longerbeam * to set the MIPI CSI-2 virtual channel. 14719a81c14SSteve Longerbeam */ 14819a81c14SSteve Longerbeam static unsigned int virtual_channel; 1498670d70aSHugues Fruchet module_param(virtual_channel, uint, 0444); 15019a81c14SSteve Longerbeam MODULE_PARM_DESC(virtual_channel, 15119a81c14SSteve Longerbeam "MIPI CSI-2 virtual channel (0..3), default 0"); 15219a81c14SSteve Longerbeam 15319a81c14SSteve Longerbeam static const int ov5640_framerates[] = { 15419a81c14SSteve Longerbeam [OV5640_15_FPS] = 15, 15519a81c14SSteve Longerbeam [OV5640_30_FPS] = 30, 156e823fb16SMaxime Ripard [OV5640_60_FPS] = 60, 15719a81c14SSteve Longerbeam }; 15819a81c14SSteve Longerbeam 15919a81c14SSteve Longerbeam /* regulator supplies */ 16019a81c14SSteve Longerbeam static const char * const ov5640_supply_name[] = { 16141d8d7f5SHugues Fruchet "DOVDD", /* Digital I/O (1.8V) supply */ 16219a81c14SSteve Longerbeam "DVDD", /* Digital Core (1.5V) supply */ 16319a81c14SSteve Longerbeam "AVDD", /* Analog (2.8V) supply */ 16419a81c14SSteve Longerbeam }; 16519a81c14SSteve Longerbeam 16619a81c14SSteve Longerbeam #define OV5640_NUM_SUPPLIES ARRAY_SIZE(ov5640_supply_name) 16719a81c14SSteve Longerbeam 16819a81c14SSteve Longerbeam /* 16919a81c14SSteve Longerbeam * Image size under 1280 * 960 are SUBSAMPLING 17019a81c14SSteve Longerbeam * Image size upper 1280 * 960 are SCALING 17119a81c14SSteve Longerbeam */ 17219a81c14SSteve Longerbeam enum ov5640_downsize_mode { 17319a81c14SSteve Longerbeam SUBSAMPLING, 17419a81c14SSteve Longerbeam SCALING, 17519a81c14SSteve Longerbeam }; 17619a81c14SSteve Longerbeam 17719a81c14SSteve Longerbeam struct reg_value { 17819a81c14SSteve Longerbeam u16 reg_addr; 17919a81c14SSteve Longerbeam u8 val; 18019a81c14SSteve Longerbeam u8 mask; 18119a81c14SSteve Longerbeam u32 delay_ms; 18219a81c14SSteve Longerbeam }; 18319a81c14SSteve Longerbeam 18419a81c14SSteve Longerbeam struct ov5640_mode_info { 18519a81c14SSteve Longerbeam enum ov5640_mode_id id; 18619a81c14SSteve Longerbeam enum ov5640_downsize_mode dn_mode; 187dba13a0bSMaxime Ripard u32 hact; 188476dec01SMaxime Ripard u32 htot; 189dba13a0bSMaxime Ripard u32 vact; 190476dec01SMaxime Ripard u32 vtot; 19119a81c14SSteve Longerbeam const struct reg_value *reg_data; 19219a81c14SSteve Longerbeam u32 reg_data_size; 19319a81c14SSteve Longerbeam }; 19419a81c14SSteve Longerbeam 19519a81c14SSteve Longerbeam struct ov5640_ctrls { 19619a81c14SSteve Longerbeam struct v4l2_ctrl_handler handler; 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}, 30419a81c14SSteve Longerbeam {0x501f, 0x00, 0, 0}, {0x4713, 0x03, 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}, 37319a81c14SSteve Longerbeam {0x4001, 0x02, 0, 0}, {0x4004, 0x02, 0, 0}, {0x4713, 0x03, 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}, 39219a81c14SSteve Longerbeam {0x4001, 0x02, 0, 0}, {0x4004, 0x02, 0, 0}, {0x4713, 0x03, 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}, 41119a81c14SSteve Longerbeam {0x4001, 0x02, 0, 0}, {0x4004, 0x02, 0, 0}, {0x4713, 0x03, 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}, 43019a81c14SSteve Longerbeam {0x4001, 0x02, 0, 0}, {0x4004, 0x02, 0, 0}, {0x4713, 0x03, 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}, 44919a81c14SSteve Longerbeam {0x4001, 0x02, 0, 0}, {0x4004, 0x02, 0, 0}, {0x4713, 0x03, 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}, 46819a81c14SSteve Longerbeam {0x4001, 0x02, 0, 0}, {0x4004, 0x02, 0, 0}, {0x4713, 0x03, 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}, 487b791187bSHugues Fruchet {0x4001, 0x02, 0, 0}, {0x4004, 0x02, 0, 0}, {0x4713, 0x03, 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}, 50719a81c14SSteve Longerbeam {0x4001, 0x02, 0, 0}, {0x4004, 0x06, 0, 0}, {0x4713, 0x03, 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}, 51919a81c14SSteve Longerbeam {0x3a15, 0x60, 0, 0}, {0x4713, 0x02, 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}, 53819a81c14SSteve Longerbeam {0x4001, 0x02, 0, 0}, {0x4004, 0x06, 0, 0}, {0x4713, 0x03, 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 721aa288248SMaxime Ripard * documentations spreaded 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 104619a81c14SSteve Longerbeam /* download ov5640 settings to sensor through i2c */ 1047bad1774eSJacopo Mondi static int ov5640_set_timings(struct ov5640_dev *sensor, 1048bad1774eSJacopo Mondi const struct ov5640_mode_info *mode) 1049bad1774eSJacopo Mondi { 1050bad1774eSJacopo Mondi int ret; 1051bad1774eSJacopo Mondi 1052bad1774eSJacopo Mondi ret = ov5640_write_reg16(sensor, OV5640_REG_TIMING_DVPHO, mode->hact); 1053bad1774eSJacopo Mondi if (ret < 0) 1054bad1774eSJacopo Mondi return ret; 1055bad1774eSJacopo Mondi 1056bad1774eSJacopo Mondi ret = ov5640_write_reg16(sensor, OV5640_REG_TIMING_DVPVO, mode->vact); 1057bad1774eSJacopo Mondi if (ret < 0) 1058bad1774eSJacopo Mondi return ret; 1059bad1774eSJacopo Mondi 1060bad1774eSJacopo Mondi ret = ov5640_write_reg16(sensor, OV5640_REG_TIMING_HTS, mode->htot); 1061bad1774eSJacopo Mondi if (ret < 0) 1062bad1774eSJacopo Mondi return ret; 1063bad1774eSJacopo Mondi 1064bad1774eSJacopo Mondi return ov5640_write_reg16(sensor, OV5640_REG_TIMING_VTS, mode->vtot); 1065bad1774eSJacopo Mondi } 1066bad1774eSJacopo Mondi 106719a81c14SSteve Longerbeam static int ov5640_load_regs(struct ov5640_dev *sensor, 106819a81c14SSteve Longerbeam const struct ov5640_mode_info *mode) 106919a81c14SSteve Longerbeam { 107019a81c14SSteve Longerbeam const struct reg_value *regs = mode->reg_data; 107119a81c14SSteve Longerbeam unsigned int i; 107219a81c14SSteve Longerbeam u32 delay_ms; 107319a81c14SSteve Longerbeam u16 reg_addr; 107419a81c14SSteve Longerbeam u8 mask, val; 107519a81c14SSteve Longerbeam int ret = 0; 107619a81c14SSteve Longerbeam 107719a81c14SSteve Longerbeam for (i = 0; i < mode->reg_data_size; ++i, ++regs) { 107819a81c14SSteve Longerbeam delay_ms = regs->delay_ms; 107919a81c14SSteve Longerbeam reg_addr = regs->reg_addr; 108019a81c14SSteve Longerbeam val = regs->val; 108119a81c14SSteve Longerbeam mask = regs->mask; 108219a81c14SSteve Longerbeam 108319a81c14SSteve Longerbeam if (mask) 108419a81c14SSteve Longerbeam ret = ov5640_mod_reg(sensor, reg_addr, mask, val); 108519a81c14SSteve Longerbeam else 108619a81c14SSteve Longerbeam ret = ov5640_write_reg(sensor, reg_addr, val); 108719a81c14SSteve Longerbeam if (ret) 108819a81c14SSteve Longerbeam break; 108919a81c14SSteve Longerbeam 109019a81c14SSteve Longerbeam if (delay_ms) 109119a81c14SSteve Longerbeam usleep_range(1000 * delay_ms, 1000 * delay_ms + 100); 109219a81c14SSteve Longerbeam } 109319a81c14SSteve Longerbeam 1094bad1774eSJacopo Mondi return ov5640_set_timings(sensor, mode); 109519a81c14SSteve Longerbeam } 109619a81c14SSteve Longerbeam 1097dc29a1c1SHugues Fruchet static int ov5640_set_autoexposure(struct ov5640_dev *sensor, bool on) 1098dc29a1c1SHugues Fruchet { 1099dc29a1c1SHugues Fruchet return ov5640_mod_reg(sensor, OV5640_REG_AEC_PK_MANUAL, 1100dc29a1c1SHugues Fruchet BIT(0), on ? 0 : BIT(0)); 1101dc29a1c1SHugues Fruchet } 1102dc29a1c1SHugues Fruchet 110319a81c14SSteve Longerbeam /* read exposure, in number of line periods */ 110419a81c14SSteve Longerbeam static int ov5640_get_exposure(struct ov5640_dev *sensor) 110519a81c14SSteve Longerbeam { 110619a81c14SSteve Longerbeam int exp, ret; 110719a81c14SSteve Longerbeam u8 temp; 110819a81c14SSteve Longerbeam 110919a81c14SSteve Longerbeam ret = ov5640_read_reg(sensor, OV5640_REG_AEC_PK_EXPOSURE_HI, &temp); 111019a81c14SSteve Longerbeam if (ret) 111119a81c14SSteve Longerbeam return ret; 111219a81c14SSteve Longerbeam exp = ((int)temp & 0x0f) << 16; 111319a81c14SSteve Longerbeam ret = ov5640_read_reg(sensor, OV5640_REG_AEC_PK_EXPOSURE_MED, &temp); 111419a81c14SSteve Longerbeam if (ret) 111519a81c14SSteve Longerbeam return ret; 111619a81c14SSteve Longerbeam exp |= ((int)temp << 8); 111719a81c14SSteve Longerbeam ret = ov5640_read_reg(sensor, OV5640_REG_AEC_PK_EXPOSURE_LO, &temp); 111819a81c14SSteve Longerbeam if (ret) 111919a81c14SSteve Longerbeam return ret; 112019a81c14SSteve Longerbeam exp |= (int)temp; 112119a81c14SSteve Longerbeam 112219a81c14SSteve Longerbeam return exp >> 4; 112319a81c14SSteve Longerbeam } 112419a81c14SSteve Longerbeam 112519a81c14SSteve Longerbeam /* write exposure, given number of line periods */ 112619a81c14SSteve Longerbeam static int ov5640_set_exposure(struct ov5640_dev *sensor, u32 exposure) 112719a81c14SSteve Longerbeam { 112819a81c14SSteve Longerbeam int ret; 112919a81c14SSteve Longerbeam 113019a81c14SSteve Longerbeam exposure <<= 4; 113119a81c14SSteve Longerbeam 113219a81c14SSteve Longerbeam ret = ov5640_write_reg(sensor, 113319a81c14SSteve Longerbeam OV5640_REG_AEC_PK_EXPOSURE_LO, 113419a81c14SSteve Longerbeam exposure & 0xff); 113519a81c14SSteve Longerbeam if (ret) 113619a81c14SSteve Longerbeam return ret; 113719a81c14SSteve Longerbeam ret = ov5640_write_reg(sensor, 113819a81c14SSteve Longerbeam OV5640_REG_AEC_PK_EXPOSURE_MED, 113919a81c14SSteve Longerbeam (exposure >> 8) & 0xff); 114019a81c14SSteve Longerbeam if (ret) 114119a81c14SSteve Longerbeam return ret; 114219a81c14SSteve Longerbeam return ov5640_write_reg(sensor, 114319a81c14SSteve Longerbeam OV5640_REG_AEC_PK_EXPOSURE_HI, 114419a81c14SSteve Longerbeam (exposure >> 16) & 0x0f); 114519a81c14SSteve Longerbeam } 114619a81c14SSteve Longerbeam 114719a81c14SSteve Longerbeam static int ov5640_get_gain(struct ov5640_dev *sensor) 114819a81c14SSteve Longerbeam { 114919a81c14SSteve Longerbeam u16 gain; 115019a81c14SSteve Longerbeam int ret; 115119a81c14SSteve Longerbeam 115219a81c14SSteve Longerbeam ret = ov5640_read_reg16(sensor, OV5640_REG_AEC_PK_REAL_GAIN, &gain); 115319a81c14SSteve Longerbeam if (ret) 115419a81c14SSteve Longerbeam return ret; 115519a81c14SSteve Longerbeam 115619a81c14SSteve Longerbeam return gain & 0x3ff; 115719a81c14SSteve Longerbeam } 115819a81c14SSteve Longerbeam 11593cca8ef5SHugues Fruchet static int ov5640_set_gain(struct ov5640_dev *sensor, int gain) 11603cca8ef5SHugues Fruchet { 11613cca8ef5SHugues Fruchet return ov5640_write_reg16(sensor, OV5640_REG_AEC_PK_REAL_GAIN, 11623cca8ef5SHugues Fruchet (u16)gain & 0x3ff); 11633cca8ef5SHugues Fruchet } 11643cca8ef5SHugues Fruchet 11653cca8ef5SHugues Fruchet static int ov5640_set_autogain(struct ov5640_dev *sensor, bool on) 11663cca8ef5SHugues Fruchet { 11673cca8ef5SHugues Fruchet return ov5640_mod_reg(sensor, OV5640_REG_AEC_PK_MANUAL, 11683cca8ef5SHugues Fruchet BIT(1), on ? 0 : BIT(1)); 11693cca8ef5SHugues Fruchet } 11703cca8ef5SHugues Fruchet 1171f22996dbSHugues Fruchet static int ov5640_set_stream_dvp(struct ov5640_dev *sensor, bool on) 1172f22996dbSHugues Fruchet { 1173f22996dbSHugues Fruchet int ret; 1174f22996dbSHugues Fruchet unsigned int flags = sensor->ep.bus.parallel.flags; 1175f22996dbSHugues Fruchet u8 pclk_pol = 0; 1176f22996dbSHugues Fruchet u8 hsync_pol = 0; 1177f22996dbSHugues Fruchet u8 vsync_pol = 0; 1178f22996dbSHugues Fruchet 1179f22996dbSHugues Fruchet /* 1180f22996dbSHugues Fruchet * Note about parallel port configuration. 1181f22996dbSHugues Fruchet * 1182f22996dbSHugues Fruchet * When configured in parallel mode, the OV5640 will 1183f22996dbSHugues Fruchet * output 10 bits data on DVP data lines [9:0]. 1184f22996dbSHugues Fruchet * If only 8 bits data are wanted, the 8 bits data lines 1185f22996dbSHugues Fruchet * of the camera interface must be physically connected 1186f22996dbSHugues Fruchet * on the DVP data lines [9:2]. 1187f22996dbSHugues Fruchet * 1188f22996dbSHugues Fruchet * Control lines polarity can be configured through 1189f22996dbSHugues Fruchet * devicetree endpoint control lines properties. 1190f22996dbSHugues Fruchet * If no endpoint control lines properties are set, 1191f22996dbSHugues Fruchet * polarity will be as below: 1192f22996dbSHugues Fruchet * - VSYNC: active high 1193f22996dbSHugues Fruchet * - HREF: active low 1194f22996dbSHugues Fruchet * - PCLK: active low 1195f22996dbSHugues Fruchet */ 1196f22996dbSHugues Fruchet 1197f22996dbSHugues Fruchet if (on) { 1198f22996dbSHugues Fruchet /* 1199f22996dbSHugues Fruchet * configure parallel port control lines polarity 1200f22996dbSHugues Fruchet * 1201f22996dbSHugues Fruchet * POLARITY CTRL0 1202f22996dbSHugues Fruchet * - [5]: PCLK polarity (0: active low, 1: active high) 1203f22996dbSHugues Fruchet * - [1]: HREF polarity (0: active low, 1: active high) 1204f22996dbSHugues Fruchet * - [0]: VSYNC polarity (mismatch here between 1205f22996dbSHugues Fruchet * datasheet and hardware, 0 is active high 1206f22996dbSHugues Fruchet * and 1 is active low...) 1207f22996dbSHugues Fruchet */ 1208f22996dbSHugues Fruchet if (flags & V4L2_MBUS_PCLK_SAMPLE_RISING) 1209f22996dbSHugues Fruchet pclk_pol = 1; 1210f22996dbSHugues Fruchet if (flags & V4L2_MBUS_HSYNC_ACTIVE_HIGH) 1211f22996dbSHugues Fruchet hsync_pol = 1; 1212f22996dbSHugues Fruchet if (flags & V4L2_MBUS_VSYNC_ACTIVE_LOW) 1213f22996dbSHugues Fruchet vsync_pol = 1; 1214f22996dbSHugues Fruchet 1215f22996dbSHugues Fruchet ret = ov5640_write_reg(sensor, 1216f22996dbSHugues Fruchet OV5640_REG_POLARITY_CTRL00, 1217f22996dbSHugues Fruchet (pclk_pol << 5) | 1218f22996dbSHugues Fruchet (hsync_pol << 1) | 1219f22996dbSHugues Fruchet vsync_pol); 1220f22996dbSHugues Fruchet 1221f22996dbSHugues Fruchet if (ret) 1222f22996dbSHugues Fruchet return ret; 1223f22996dbSHugues Fruchet } 1224f22996dbSHugues Fruchet 1225f22996dbSHugues Fruchet /* 1226f22996dbSHugues Fruchet * powerdown MIPI TX/RX PHY & disable MIPI 1227f22996dbSHugues Fruchet * 1228f22996dbSHugues Fruchet * MIPI CONTROL 00 1229f22996dbSHugues Fruchet * 4: PWDN PHY TX 1230f22996dbSHugues Fruchet * 3: PWDN PHY RX 1231f22996dbSHugues Fruchet * 2: MIPI enable 1232f22996dbSHugues Fruchet */ 1233f22996dbSHugues Fruchet ret = ov5640_write_reg(sensor, 1234f22996dbSHugues Fruchet OV5640_REG_IO_MIPI_CTRL00, on ? 0x18 : 0); 1235f22996dbSHugues Fruchet if (ret) 1236f22996dbSHugues Fruchet return ret; 1237f22996dbSHugues Fruchet 1238f22996dbSHugues Fruchet /* 1239f22996dbSHugues Fruchet * enable VSYNC/HREF/PCLK DVP control lines 1240f22996dbSHugues Fruchet * & D[9:6] DVP data lines 1241f22996dbSHugues Fruchet * 1242f22996dbSHugues Fruchet * PAD OUTPUT ENABLE 01 1243f22996dbSHugues Fruchet * - 6: VSYNC output enable 1244f22996dbSHugues Fruchet * - 5: HREF output enable 1245f22996dbSHugues Fruchet * - 4: PCLK output enable 1246f22996dbSHugues Fruchet * - [3:0]: D[9:6] output enable 1247f22996dbSHugues Fruchet */ 1248f22996dbSHugues Fruchet ret = ov5640_write_reg(sensor, 1249f22996dbSHugues Fruchet OV5640_REG_PAD_OUTPUT_ENABLE01, 1250f22996dbSHugues Fruchet on ? 0x7f : 0); 1251f22996dbSHugues Fruchet if (ret) 1252f22996dbSHugues Fruchet return ret; 1253f22996dbSHugues Fruchet 1254f22996dbSHugues Fruchet /* 1255f22996dbSHugues Fruchet * enable D[5:0] DVP data lines 1256f22996dbSHugues Fruchet * 1257f22996dbSHugues Fruchet * PAD OUTPUT ENABLE 02 1258f22996dbSHugues Fruchet * - [7:2]: D[5:0] output enable 1259f22996dbSHugues Fruchet */ 1260f22996dbSHugues Fruchet return ov5640_write_reg(sensor, 1261f22996dbSHugues Fruchet OV5640_REG_PAD_OUTPUT_ENABLE02, 1262f22996dbSHugues Fruchet on ? 0xfc : 0); 1263f22996dbSHugues Fruchet } 1264f22996dbSHugues Fruchet 1265f22996dbSHugues Fruchet static int ov5640_set_stream_mipi(struct ov5640_dev *sensor, bool on) 126619a81c14SSteve Longerbeam { 126719a81c14SSteve Longerbeam int ret; 126819a81c14SSteve Longerbeam 1269aa4bb8b8SJacopo Mondi /* 1270aa4bb8b8SJacopo Mondi * Enable/disable the MIPI interface 1271aa4bb8b8SJacopo Mondi * 1272aa4bb8b8SJacopo Mondi * 0x300e = on ? 0x45 : 0x40 1273aa4bb8b8SJacopo Mondi * 1274aa4bb8b8SJacopo Mondi * FIXME: the sensor manual (version 2.03) reports 1275aa4bb8b8SJacopo Mondi * [7:5] = 000 : 1 data lane mode 1276aa4bb8b8SJacopo Mondi * [7:5] = 001 : 2 data lanes mode 1277aa4bb8b8SJacopo Mondi * But this settings do not work, while the following ones 1278aa4bb8b8SJacopo Mondi * have been validated for 2 data lanes mode. 1279aa4bb8b8SJacopo Mondi * 1280aa4bb8b8SJacopo Mondi * [7:5] = 010 : 2 data lanes mode 1281aa4bb8b8SJacopo Mondi * [4] = 0 : Power up MIPI HS Tx 1282aa4bb8b8SJacopo Mondi * [3] = 0 : Power up MIPI LS Rx 1283aa4bb8b8SJacopo Mondi * [2] = 1/0 : MIPI interface enable/disable 1284aa4bb8b8SJacopo Mondi * [1:0] = 01/00: FIXME: 'debug' 1285aa4bb8b8SJacopo Mondi */ 1286aa4bb8b8SJacopo Mondi ret = ov5640_write_reg(sensor, OV5640_REG_IO_MIPI_CTRL00, 1287aa4bb8b8SJacopo Mondi on ? 0x45 : 0x40); 128819a81c14SSteve Longerbeam if (ret) 128919a81c14SSteve Longerbeam return ret; 129019a81c14SSteve Longerbeam 129119a81c14SSteve Longerbeam return ov5640_write_reg(sensor, OV5640_REG_FRAME_CTRL01, 129219a81c14SSteve Longerbeam on ? 0x00 : 0x0f); 129319a81c14SSteve Longerbeam } 129419a81c14SSteve Longerbeam 129519a81c14SSteve Longerbeam static int ov5640_get_sysclk(struct ov5640_dev *sensor) 129619a81c14SSteve Longerbeam { 129719a81c14SSteve Longerbeam /* calculate sysclk */ 129819a81c14SSteve Longerbeam u32 xvclk = sensor->xclk_freq / 10000; 129919a81c14SSteve Longerbeam u32 multiplier, prediv, VCO, sysdiv, pll_rdiv; 130019a81c14SSteve Longerbeam u32 sclk_rdiv_map[] = {1, 2, 4, 8}; 130119a81c14SSteve Longerbeam u32 bit_div2x = 1, sclk_rdiv, sysclk; 130219a81c14SSteve Longerbeam u8 temp1, temp2; 130319a81c14SSteve Longerbeam int ret; 130419a81c14SSteve Longerbeam 130519a81c14SSteve Longerbeam ret = ov5640_read_reg(sensor, OV5640_REG_SC_PLL_CTRL0, &temp1); 130619a81c14SSteve Longerbeam if (ret) 130719a81c14SSteve Longerbeam return ret; 130819a81c14SSteve Longerbeam temp2 = temp1 & 0x0f; 130919a81c14SSteve Longerbeam if (temp2 == 8 || temp2 == 10) 131019a81c14SSteve Longerbeam bit_div2x = temp2 / 2; 131119a81c14SSteve Longerbeam 131219a81c14SSteve Longerbeam ret = ov5640_read_reg(sensor, OV5640_REG_SC_PLL_CTRL1, &temp1); 131319a81c14SSteve Longerbeam if (ret) 131419a81c14SSteve Longerbeam return ret; 131519a81c14SSteve Longerbeam sysdiv = temp1 >> 4; 131619a81c14SSteve Longerbeam if (sysdiv == 0) 131719a81c14SSteve Longerbeam sysdiv = 16; 131819a81c14SSteve Longerbeam 131919a81c14SSteve Longerbeam ret = ov5640_read_reg(sensor, OV5640_REG_SC_PLL_CTRL2, &temp1); 132019a81c14SSteve Longerbeam if (ret) 132119a81c14SSteve Longerbeam return ret; 132219a81c14SSteve Longerbeam multiplier = temp1; 132319a81c14SSteve Longerbeam 132419a81c14SSteve Longerbeam ret = ov5640_read_reg(sensor, OV5640_REG_SC_PLL_CTRL3, &temp1); 132519a81c14SSteve Longerbeam if (ret) 132619a81c14SSteve Longerbeam return ret; 132719a81c14SSteve Longerbeam prediv = temp1 & 0x0f; 132819a81c14SSteve Longerbeam pll_rdiv = ((temp1 >> 4) & 0x01) + 1; 132919a81c14SSteve Longerbeam 133019a81c14SSteve Longerbeam ret = ov5640_read_reg(sensor, OV5640_REG_SYS_ROOT_DIVIDER, &temp1); 133119a81c14SSteve Longerbeam if (ret) 133219a81c14SSteve Longerbeam return ret; 133319a81c14SSteve Longerbeam temp2 = temp1 & 0x03; 133419a81c14SSteve Longerbeam sclk_rdiv = sclk_rdiv_map[temp2]; 133519a81c14SSteve Longerbeam 133619a81c14SSteve Longerbeam if (!prediv || !sysdiv || !pll_rdiv || !bit_div2x) 133719a81c14SSteve Longerbeam return -EINVAL; 133819a81c14SSteve Longerbeam 133919a81c14SSteve Longerbeam VCO = xvclk * multiplier / prediv; 134019a81c14SSteve Longerbeam 134119a81c14SSteve Longerbeam sysclk = VCO / sysdiv / pll_rdiv * 2 / bit_div2x / sclk_rdiv; 134219a81c14SSteve Longerbeam 134319a81c14SSteve Longerbeam return sysclk; 134419a81c14SSteve Longerbeam } 134519a81c14SSteve Longerbeam 134619a81c14SSteve Longerbeam static int ov5640_set_night_mode(struct ov5640_dev *sensor) 134719a81c14SSteve Longerbeam { 134819a81c14SSteve Longerbeam /* read HTS from register settings */ 134919a81c14SSteve Longerbeam u8 mode; 135019a81c14SSteve Longerbeam int ret; 135119a81c14SSteve Longerbeam 135219a81c14SSteve Longerbeam ret = ov5640_read_reg(sensor, OV5640_REG_AEC_CTRL00, &mode); 135319a81c14SSteve Longerbeam if (ret) 135419a81c14SSteve Longerbeam return ret; 135519a81c14SSteve Longerbeam mode &= 0xfb; 135619a81c14SSteve Longerbeam return ov5640_write_reg(sensor, OV5640_REG_AEC_CTRL00, mode); 135719a81c14SSteve Longerbeam } 135819a81c14SSteve Longerbeam 135919a81c14SSteve Longerbeam static int ov5640_get_hts(struct ov5640_dev *sensor) 136019a81c14SSteve Longerbeam { 136119a81c14SSteve Longerbeam /* read HTS from register settings */ 136219a81c14SSteve Longerbeam u16 hts; 136319a81c14SSteve Longerbeam int ret; 136419a81c14SSteve Longerbeam 136519a81c14SSteve Longerbeam ret = ov5640_read_reg16(sensor, OV5640_REG_TIMING_HTS, &hts); 136619a81c14SSteve Longerbeam if (ret) 136719a81c14SSteve Longerbeam return ret; 136819a81c14SSteve Longerbeam return hts; 136919a81c14SSteve Longerbeam } 137019a81c14SSteve Longerbeam 137119a81c14SSteve Longerbeam static int ov5640_get_vts(struct ov5640_dev *sensor) 137219a81c14SSteve Longerbeam { 137319a81c14SSteve Longerbeam u16 vts; 137419a81c14SSteve Longerbeam int ret; 137519a81c14SSteve Longerbeam 137619a81c14SSteve Longerbeam ret = ov5640_read_reg16(sensor, OV5640_REG_TIMING_VTS, &vts); 137719a81c14SSteve Longerbeam if (ret) 137819a81c14SSteve Longerbeam return ret; 137919a81c14SSteve Longerbeam return vts; 138019a81c14SSteve Longerbeam } 138119a81c14SSteve Longerbeam 138219a81c14SSteve Longerbeam static int ov5640_set_vts(struct ov5640_dev *sensor, int vts) 138319a81c14SSteve Longerbeam { 138419a81c14SSteve Longerbeam return ov5640_write_reg16(sensor, OV5640_REG_TIMING_VTS, vts); 138519a81c14SSteve Longerbeam } 138619a81c14SSteve Longerbeam 138719a81c14SSteve Longerbeam static int ov5640_get_light_freq(struct ov5640_dev *sensor) 138819a81c14SSteve Longerbeam { 138919a81c14SSteve Longerbeam /* get banding filter value */ 139019a81c14SSteve Longerbeam int ret, light_freq = 0; 139119a81c14SSteve Longerbeam u8 temp, temp1; 139219a81c14SSteve Longerbeam 139319a81c14SSteve Longerbeam ret = ov5640_read_reg(sensor, OV5640_REG_HZ5060_CTRL01, &temp); 139419a81c14SSteve Longerbeam if (ret) 139519a81c14SSteve Longerbeam return ret; 139619a81c14SSteve Longerbeam 139719a81c14SSteve Longerbeam if (temp & 0x80) { 139819a81c14SSteve Longerbeam /* manual */ 139919a81c14SSteve Longerbeam ret = ov5640_read_reg(sensor, OV5640_REG_HZ5060_CTRL00, 140019a81c14SSteve Longerbeam &temp1); 140119a81c14SSteve Longerbeam if (ret) 140219a81c14SSteve Longerbeam return ret; 140319a81c14SSteve Longerbeam if (temp1 & 0x04) { 140419a81c14SSteve Longerbeam /* 50Hz */ 140519a81c14SSteve Longerbeam light_freq = 50; 140619a81c14SSteve Longerbeam } else { 140719a81c14SSteve Longerbeam /* 60Hz */ 140819a81c14SSteve Longerbeam light_freq = 60; 140919a81c14SSteve Longerbeam } 141019a81c14SSteve Longerbeam } else { 141119a81c14SSteve Longerbeam /* auto */ 141219a81c14SSteve Longerbeam ret = ov5640_read_reg(sensor, OV5640_REG_SIGMADELTA_CTRL0C, 141319a81c14SSteve Longerbeam &temp1); 141419a81c14SSteve Longerbeam if (ret) 141519a81c14SSteve Longerbeam return ret; 141619a81c14SSteve Longerbeam 141719a81c14SSteve Longerbeam if (temp1 & 0x01) { 141819a81c14SSteve Longerbeam /* 50Hz */ 141919a81c14SSteve Longerbeam light_freq = 50; 142019a81c14SSteve Longerbeam } else { 142119a81c14SSteve Longerbeam /* 60Hz */ 142219a81c14SSteve Longerbeam } 142319a81c14SSteve Longerbeam } 142419a81c14SSteve Longerbeam 142519a81c14SSteve Longerbeam return light_freq; 142619a81c14SSteve Longerbeam } 142719a81c14SSteve Longerbeam 142819a81c14SSteve Longerbeam static int ov5640_set_bandingfilter(struct ov5640_dev *sensor) 142919a81c14SSteve Longerbeam { 143019a81c14SSteve Longerbeam u32 band_step60, max_band60, band_step50, max_band50, prev_vts; 143119a81c14SSteve Longerbeam int ret; 143219a81c14SSteve Longerbeam 143319a81c14SSteve Longerbeam /* read preview PCLK */ 143419a81c14SSteve Longerbeam ret = ov5640_get_sysclk(sensor); 143519a81c14SSteve Longerbeam if (ret < 0) 143619a81c14SSteve Longerbeam return ret; 143719a81c14SSteve Longerbeam if (ret == 0) 143819a81c14SSteve Longerbeam return -EINVAL; 143919a81c14SSteve Longerbeam sensor->prev_sysclk = ret; 144019a81c14SSteve Longerbeam /* read preview HTS */ 144119a81c14SSteve Longerbeam ret = ov5640_get_hts(sensor); 144219a81c14SSteve Longerbeam if (ret < 0) 144319a81c14SSteve Longerbeam return ret; 144419a81c14SSteve Longerbeam if (ret == 0) 144519a81c14SSteve Longerbeam return -EINVAL; 144619a81c14SSteve Longerbeam sensor->prev_hts = ret; 144719a81c14SSteve Longerbeam 144819a81c14SSteve Longerbeam /* read preview VTS */ 144919a81c14SSteve Longerbeam ret = ov5640_get_vts(sensor); 145019a81c14SSteve Longerbeam if (ret < 0) 145119a81c14SSteve Longerbeam return ret; 145219a81c14SSteve Longerbeam prev_vts = ret; 145319a81c14SSteve Longerbeam 145419a81c14SSteve Longerbeam /* calculate banding filter */ 145519a81c14SSteve Longerbeam /* 60Hz */ 145619a81c14SSteve Longerbeam band_step60 = sensor->prev_sysclk * 100 / sensor->prev_hts * 100 / 120; 145719a81c14SSteve Longerbeam ret = ov5640_write_reg16(sensor, OV5640_REG_AEC_B60_STEP, band_step60); 145819a81c14SSteve Longerbeam if (ret) 145919a81c14SSteve Longerbeam return ret; 146019a81c14SSteve Longerbeam if (!band_step60) 146119a81c14SSteve Longerbeam return -EINVAL; 146219a81c14SSteve Longerbeam max_band60 = (int)((prev_vts - 4) / band_step60); 146319a81c14SSteve Longerbeam ret = ov5640_write_reg(sensor, OV5640_REG_AEC_CTRL0D, max_band60); 146419a81c14SSteve Longerbeam if (ret) 146519a81c14SSteve Longerbeam return ret; 146619a81c14SSteve Longerbeam 146719a81c14SSteve Longerbeam /* 50Hz */ 146819a81c14SSteve Longerbeam band_step50 = sensor->prev_sysclk * 100 / sensor->prev_hts; 146919a81c14SSteve Longerbeam ret = ov5640_write_reg16(sensor, OV5640_REG_AEC_B50_STEP, band_step50); 147019a81c14SSteve Longerbeam if (ret) 147119a81c14SSteve Longerbeam return ret; 147219a81c14SSteve Longerbeam if (!band_step50) 147319a81c14SSteve Longerbeam return -EINVAL; 147419a81c14SSteve Longerbeam max_band50 = (int)((prev_vts - 4) / band_step50); 147519a81c14SSteve Longerbeam return ov5640_write_reg(sensor, OV5640_REG_AEC_CTRL0E, max_band50); 147619a81c14SSteve Longerbeam } 147719a81c14SSteve Longerbeam 147819a81c14SSteve Longerbeam static int ov5640_set_ae_target(struct ov5640_dev *sensor, int target) 147919a81c14SSteve Longerbeam { 148019a81c14SSteve Longerbeam /* stable in high */ 148119a81c14SSteve Longerbeam u32 fast_high, fast_low; 148219a81c14SSteve Longerbeam int ret; 148319a81c14SSteve Longerbeam 148419a81c14SSteve Longerbeam sensor->ae_low = target * 23 / 25; /* 0.92 */ 148519a81c14SSteve Longerbeam sensor->ae_high = target * 27 / 25; /* 1.08 */ 148619a81c14SSteve Longerbeam 148719a81c14SSteve Longerbeam fast_high = sensor->ae_high << 1; 148819a81c14SSteve Longerbeam if (fast_high > 255) 148919a81c14SSteve Longerbeam fast_high = 255; 149019a81c14SSteve Longerbeam 149119a81c14SSteve Longerbeam fast_low = sensor->ae_low >> 1; 149219a81c14SSteve Longerbeam 149319a81c14SSteve Longerbeam ret = ov5640_write_reg(sensor, OV5640_REG_AEC_CTRL0F, sensor->ae_high); 149419a81c14SSteve Longerbeam if (ret) 149519a81c14SSteve Longerbeam return ret; 149619a81c14SSteve Longerbeam ret = ov5640_write_reg(sensor, OV5640_REG_AEC_CTRL10, sensor->ae_low); 149719a81c14SSteve Longerbeam if (ret) 149819a81c14SSteve Longerbeam return ret; 149919a81c14SSteve Longerbeam ret = ov5640_write_reg(sensor, OV5640_REG_AEC_CTRL1B, sensor->ae_high); 150019a81c14SSteve Longerbeam if (ret) 150119a81c14SSteve Longerbeam return ret; 150219a81c14SSteve Longerbeam ret = ov5640_write_reg(sensor, OV5640_REG_AEC_CTRL1E, sensor->ae_low); 150319a81c14SSteve Longerbeam if (ret) 150419a81c14SSteve Longerbeam return ret; 150519a81c14SSteve Longerbeam ret = ov5640_write_reg(sensor, OV5640_REG_AEC_CTRL11, fast_high); 150619a81c14SSteve Longerbeam if (ret) 150719a81c14SSteve Longerbeam return ret; 150819a81c14SSteve Longerbeam return ov5640_write_reg(sensor, OV5640_REG_AEC_CTRL1F, fast_low); 150919a81c14SSteve Longerbeam } 151019a81c14SSteve Longerbeam 1511c2c3f42dSHugues Fruchet static int ov5640_get_binning(struct ov5640_dev *sensor) 151219a81c14SSteve Longerbeam { 151319a81c14SSteve Longerbeam u8 temp; 151419a81c14SSteve Longerbeam int ret; 151519a81c14SSteve Longerbeam 151619a81c14SSteve Longerbeam ret = ov5640_read_reg(sensor, OV5640_REG_TIMING_TC_REG21, &temp); 151719a81c14SSteve Longerbeam if (ret) 151819a81c14SSteve Longerbeam return ret; 1519c2c3f42dSHugues Fruchet 1520c2c3f42dSHugues Fruchet return temp & BIT(0); 152119a81c14SSteve Longerbeam } 152219a81c14SSteve Longerbeam 1523ce85705aSHugues Fruchet static int ov5640_set_binning(struct ov5640_dev *sensor, bool enable) 1524ce85705aSHugues Fruchet { 1525ce85705aSHugues Fruchet int ret; 1526ce85705aSHugues Fruchet 1527ce85705aSHugues Fruchet /* 1528ce85705aSHugues Fruchet * TIMING TC REG21: 1529ce85705aSHugues Fruchet * - [0]: Horizontal binning enable 1530ce85705aSHugues Fruchet */ 1531ce85705aSHugues Fruchet ret = ov5640_mod_reg(sensor, OV5640_REG_TIMING_TC_REG21, 1532ce85705aSHugues Fruchet BIT(0), enable ? BIT(0) : 0); 1533ce85705aSHugues Fruchet if (ret) 1534ce85705aSHugues Fruchet return ret; 1535ce85705aSHugues Fruchet /* 1536ce85705aSHugues Fruchet * TIMING TC REG20: 1537ce85705aSHugues Fruchet * - [0]: Undocumented, but hardcoded init sequences 1538ce85705aSHugues Fruchet * are always setting REG21/REG20 bit 0 to same value... 1539ce85705aSHugues Fruchet */ 1540ce85705aSHugues Fruchet return ov5640_mod_reg(sensor, OV5640_REG_TIMING_TC_REG20, 1541ce85705aSHugues Fruchet BIT(0), enable ? BIT(0) : 0); 1542ce85705aSHugues Fruchet } 1543ce85705aSHugues Fruchet 154419a81c14SSteve Longerbeam static int ov5640_set_virtual_channel(struct ov5640_dev *sensor) 154519a81c14SSteve Longerbeam { 15468670d70aSHugues Fruchet struct i2c_client *client = sensor->i2c_client; 154719a81c14SSteve Longerbeam u8 temp, channel = virtual_channel; 154819a81c14SSteve Longerbeam int ret; 154919a81c14SSteve Longerbeam 15508670d70aSHugues Fruchet if (channel > 3) { 15518670d70aSHugues Fruchet dev_err(&client->dev, 15528670d70aSHugues Fruchet "%s: wrong virtual_channel parameter, expected (0..3), got %d\n", 15538670d70aSHugues Fruchet __func__, channel); 155419a81c14SSteve Longerbeam return -EINVAL; 15558670d70aSHugues Fruchet } 155619a81c14SSteve Longerbeam 155719a81c14SSteve Longerbeam ret = ov5640_read_reg(sensor, OV5640_REG_DEBUG_MODE, &temp); 155819a81c14SSteve Longerbeam if (ret) 155919a81c14SSteve Longerbeam return ret; 156019a81c14SSteve Longerbeam temp &= ~(3 << 6); 156119a81c14SSteve Longerbeam temp |= (channel << 6); 156219a81c14SSteve Longerbeam return ov5640_write_reg(sensor, OV5640_REG_DEBUG_MODE, temp); 156319a81c14SSteve Longerbeam } 156419a81c14SSteve Longerbeam 156519a81c14SSteve Longerbeam static const struct ov5640_mode_info * 156619a81c14SSteve Longerbeam ov5640_find_mode(struct ov5640_dev *sensor, enum ov5640_frame_rate fr, 156719a81c14SSteve Longerbeam int width, int height, bool nearest) 156819a81c14SSteve Longerbeam { 15693c4a7372SHugues Fruchet const struct ov5640_mode_info *mode; 157019a81c14SSteve Longerbeam 1571086c25f8SMaxime Ripard mode = v4l2_find_nearest_size(ov5640_mode_data, 1572086c25f8SMaxime Ripard ARRAY_SIZE(ov5640_mode_data), 15733c4a7372SHugues Fruchet hact, vact, 15743c4a7372SHugues Fruchet width, height); 157519a81c14SSteve Longerbeam 15763c4a7372SHugues Fruchet if (!mode || 15773c4a7372SHugues Fruchet (!nearest && (mode->hact != width || mode->vact != height))) 15783c4a7372SHugues Fruchet return NULL; 157919a81c14SSteve Longerbeam 1580e823fb16SMaxime Ripard /* Only 640x480 can operate at 60fps (for now) */ 1581e823fb16SMaxime Ripard if (fr == OV5640_60_FPS && 1582e823fb16SMaxime Ripard !(mode->hact == 640 && mode->vact == 480)) 1583e823fb16SMaxime Ripard return NULL; 1584e823fb16SMaxime Ripard 158519a81c14SSteve Longerbeam return mode; 158619a81c14SSteve Longerbeam } 158719a81c14SSteve Longerbeam 158819a81c14SSteve Longerbeam /* 158919a81c14SSteve Longerbeam * sensor changes between scaling and subsampling, go through 159019a81c14SSteve Longerbeam * exposure calculation 159119a81c14SSteve Longerbeam */ 159241d8d7f5SHugues Fruchet static int ov5640_set_mode_exposure_calc(struct ov5640_dev *sensor, 159341d8d7f5SHugues Fruchet const struct ov5640_mode_info *mode) 159419a81c14SSteve Longerbeam { 159519a81c14SSteve Longerbeam u32 prev_shutter, prev_gain16; 159619a81c14SSteve Longerbeam u32 cap_shutter, cap_gain16; 159719a81c14SSteve Longerbeam u32 cap_sysclk, cap_hts, cap_vts; 159819a81c14SSteve Longerbeam u32 light_freq, cap_bandfilt, cap_maxband; 159919a81c14SSteve Longerbeam u32 cap_gain16_shutter; 160019a81c14SSteve Longerbeam u8 average; 160119a81c14SSteve Longerbeam int ret; 160219a81c14SSteve Longerbeam 160341d8d7f5SHugues Fruchet if (!mode->reg_data) 160419a81c14SSteve Longerbeam return -EINVAL; 160519a81c14SSteve Longerbeam 160619a81c14SSteve Longerbeam /* read preview shutter */ 160719a81c14SSteve Longerbeam ret = ov5640_get_exposure(sensor); 160819a81c14SSteve Longerbeam if (ret < 0) 160919a81c14SSteve Longerbeam return ret; 161019a81c14SSteve Longerbeam prev_shutter = ret; 1611c2c3f42dSHugues Fruchet ret = ov5640_get_binning(sensor); 161219a81c14SSteve Longerbeam if (ret < 0) 161319a81c14SSteve Longerbeam return ret; 161419a81c14SSteve Longerbeam if (ret && mode->id != OV5640_MODE_720P_1280_720 && 161519a81c14SSteve Longerbeam mode->id != OV5640_MODE_1080P_1920_1080) 161619a81c14SSteve Longerbeam prev_shutter *= 2; 161719a81c14SSteve Longerbeam 161819a81c14SSteve Longerbeam /* read preview gain */ 161919a81c14SSteve Longerbeam ret = ov5640_get_gain(sensor); 162019a81c14SSteve Longerbeam if (ret < 0) 162119a81c14SSteve Longerbeam return ret; 162219a81c14SSteve Longerbeam prev_gain16 = ret; 162319a81c14SSteve Longerbeam 162419a81c14SSteve Longerbeam /* get average */ 162519a81c14SSteve Longerbeam ret = ov5640_read_reg(sensor, OV5640_REG_AVG_READOUT, &average); 162619a81c14SSteve Longerbeam if (ret) 162719a81c14SSteve Longerbeam return ret; 162819a81c14SSteve Longerbeam 162919a81c14SSteve Longerbeam /* turn off night mode for capture */ 163019a81c14SSteve Longerbeam ret = ov5640_set_night_mode(sensor); 163119a81c14SSteve Longerbeam if (ret < 0) 163219a81c14SSteve Longerbeam return ret; 163319a81c14SSteve Longerbeam 163419a81c14SSteve Longerbeam /* Write capture setting */ 163519a81c14SSteve Longerbeam ret = ov5640_load_regs(sensor, mode); 163619a81c14SSteve Longerbeam if (ret < 0) 163719a81c14SSteve Longerbeam return ret; 163819a81c14SSteve Longerbeam 163919a81c14SSteve Longerbeam /* read capture VTS */ 164019a81c14SSteve Longerbeam ret = ov5640_get_vts(sensor); 164119a81c14SSteve Longerbeam if (ret < 0) 164219a81c14SSteve Longerbeam return ret; 164319a81c14SSteve Longerbeam cap_vts = ret; 164419a81c14SSteve Longerbeam ret = ov5640_get_hts(sensor); 164519a81c14SSteve Longerbeam if (ret < 0) 164619a81c14SSteve Longerbeam return ret; 164719a81c14SSteve Longerbeam if (ret == 0) 164819a81c14SSteve Longerbeam return -EINVAL; 164919a81c14SSteve Longerbeam cap_hts = ret; 165019a81c14SSteve Longerbeam 165119a81c14SSteve Longerbeam ret = ov5640_get_sysclk(sensor); 165219a81c14SSteve Longerbeam if (ret < 0) 165319a81c14SSteve Longerbeam return ret; 165419a81c14SSteve Longerbeam if (ret == 0) 165519a81c14SSteve Longerbeam return -EINVAL; 165619a81c14SSteve Longerbeam cap_sysclk = ret; 165719a81c14SSteve Longerbeam 165819a81c14SSteve Longerbeam /* calculate capture banding filter */ 165919a81c14SSteve Longerbeam ret = ov5640_get_light_freq(sensor); 166019a81c14SSteve Longerbeam if (ret < 0) 166119a81c14SSteve Longerbeam return ret; 166219a81c14SSteve Longerbeam light_freq = ret; 166319a81c14SSteve Longerbeam 166419a81c14SSteve Longerbeam if (light_freq == 60) { 166519a81c14SSteve Longerbeam /* 60Hz */ 166619a81c14SSteve Longerbeam cap_bandfilt = cap_sysclk * 100 / cap_hts * 100 / 120; 166719a81c14SSteve Longerbeam } else { 166819a81c14SSteve Longerbeam /* 50Hz */ 166919a81c14SSteve Longerbeam cap_bandfilt = cap_sysclk * 100 / cap_hts; 167019a81c14SSteve Longerbeam } 167119a81c14SSteve Longerbeam 167219a81c14SSteve Longerbeam if (!sensor->prev_sysclk) { 167319a81c14SSteve Longerbeam ret = ov5640_get_sysclk(sensor); 167419a81c14SSteve Longerbeam if (ret < 0) 167519a81c14SSteve Longerbeam return ret; 167619a81c14SSteve Longerbeam if (ret == 0) 167719a81c14SSteve Longerbeam return -EINVAL; 167819a81c14SSteve Longerbeam sensor->prev_sysclk = ret; 167919a81c14SSteve Longerbeam } 168019a81c14SSteve Longerbeam 168119a81c14SSteve Longerbeam if (!cap_bandfilt) 168219a81c14SSteve Longerbeam return -EINVAL; 168319a81c14SSteve Longerbeam 168419a81c14SSteve Longerbeam cap_maxband = (int)((cap_vts - 4) / cap_bandfilt); 168519a81c14SSteve Longerbeam 168619a81c14SSteve Longerbeam /* calculate capture shutter/gain16 */ 168719a81c14SSteve Longerbeam if (average > sensor->ae_low && average < sensor->ae_high) { 168819a81c14SSteve Longerbeam /* in stable range */ 168919a81c14SSteve Longerbeam cap_gain16_shutter = 169019a81c14SSteve Longerbeam prev_gain16 * prev_shutter * 169119a81c14SSteve Longerbeam cap_sysclk / sensor->prev_sysclk * 169219a81c14SSteve Longerbeam sensor->prev_hts / cap_hts * 169319a81c14SSteve Longerbeam sensor->ae_target / average; 169419a81c14SSteve Longerbeam } else { 169519a81c14SSteve Longerbeam cap_gain16_shutter = 169619a81c14SSteve Longerbeam prev_gain16 * prev_shutter * 169719a81c14SSteve Longerbeam cap_sysclk / sensor->prev_sysclk * 169819a81c14SSteve Longerbeam sensor->prev_hts / cap_hts; 169919a81c14SSteve Longerbeam } 170019a81c14SSteve Longerbeam 170119a81c14SSteve Longerbeam /* gain to shutter */ 170219a81c14SSteve Longerbeam if (cap_gain16_shutter < (cap_bandfilt * 16)) { 170319a81c14SSteve Longerbeam /* shutter < 1/100 */ 170419a81c14SSteve Longerbeam cap_shutter = cap_gain16_shutter / 16; 170519a81c14SSteve Longerbeam if (cap_shutter < 1) 170619a81c14SSteve Longerbeam cap_shutter = 1; 170719a81c14SSteve Longerbeam 170819a81c14SSteve Longerbeam cap_gain16 = cap_gain16_shutter / cap_shutter; 170919a81c14SSteve Longerbeam if (cap_gain16 < 16) 171019a81c14SSteve Longerbeam cap_gain16 = 16; 171119a81c14SSteve Longerbeam } else { 171219a81c14SSteve Longerbeam if (cap_gain16_shutter > (cap_bandfilt * cap_maxband * 16)) { 171319a81c14SSteve Longerbeam /* exposure reach max */ 171419a81c14SSteve Longerbeam cap_shutter = cap_bandfilt * cap_maxband; 171519a81c14SSteve Longerbeam if (!cap_shutter) 171619a81c14SSteve Longerbeam return -EINVAL; 171719a81c14SSteve Longerbeam 171819a81c14SSteve Longerbeam cap_gain16 = cap_gain16_shutter / cap_shutter; 171919a81c14SSteve Longerbeam } else { 172019a81c14SSteve Longerbeam /* 1/100 < (cap_shutter = n/100) =< max */ 172119a81c14SSteve Longerbeam cap_shutter = 172219a81c14SSteve Longerbeam ((int)(cap_gain16_shutter / 16 / cap_bandfilt)) 172319a81c14SSteve Longerbeam * cap_bandfilt; 172419a81c14SSteve Longerbeam if (!cap_shutter) 172519a81c14SSteve Longerbeam return -EINVAL; 172619a81c14SSteve Longerbeam 172719a81c14SSteve Longerbeam cap_gain16 = cap_gain16_shutter / cap_shutter; 172819a81c14SSteve Longerbeam } 172919a81c14SSteve Longerbeam } 173019a81c14SSteve Longerbeam 173119a81c14SSteve Longerbeam /* set capture gain */ 17323cca8ef5SHugues Fruchet ret = ov5640_set_gain(sensor, cap_gain16); 173319a81c14SSteve Longerbeam if (ret) 173419a81c14SSteve Longerbeam return ret; 173519a81c14SSteve Longerbeam 173619a81c14SSteve Longerbeam /* write capture shutter */ 173719a81c14SSteve Longerbeam if (cap_shutter > (cap_vts - 4)) { 173819a81c14SSteve Longerbeam cap_vts = cap_shutter + 4; 173919a81c14SSteve Longerbeam ret = ov5640_set_vts(sensor, cap_vts); 174019a81c14SSteve Longerbeam if (ret < 0) 174119a81c14SSteve Longerbeam return ret; 174219a81c14SSteve Longerbeam } 174319a81c14SSteve Longerbeam 174419a81c14SSteve Longerbeam /* set exposure */ 17453cca8ef5SHugues Fruchet return ov5640_set_exposure(sensor, cap_shutter); 174619a81c14SSteve Longerbeam } 174719a81c14SSteve Longerbeam 174819a81c14SSteve Longerbeam /* 174919a81c14SSteve Longerbeam * if sensor changes inside scaling or subsampling 175019a81c14SSteve Longerbeam * change mode directly 175119a81c14SSteve Longerbeam */ 175219a81c14SSteve Longerbeam static int ov5640_set_mode_direct(struct ov5640_dev *sensor, 17533cca8ef5SHugues Fruchet const struct ov5640_mode_info *mode) 175419a81c14SSteve Longerbeam { 175541d8d7f5SHugues Fruchet if (!mode->reg_data) 175619a81c14SSteve Longerbeam return -EINVAL; 175719a81c14SSteve Longerbeam 175819a81c14SSteve Longerbeam /* Write capture setting */ 17593cca8ef5SHugues Fruchet return ov5640_load_regs(sensor, mode); 176019a81c14SSteve Longerbeam } 176119a81c14SSteve Longerbeam 1762985cdcb0SHugues Fruchet static int ov5640_set_mode(struct ov5640_dev *sensor) 176319a81c14SSteve Longerbeam { 176419a81c14SSteve Longerbeam const struct ov5640_mode_info *mode = sensor->current_mode; 1765985cdcb0SHugues Fruchet const struct ov5640_mode_info *orig_mode = sensor->last_mode; 176619a81c14SSteve Longerbeam enum ov5640_downsize_mode dn_mode, orig_dn_mode; 17673cca8ef5SHugues Fruchet bool auto_gain = sensor->ctrls.auto_gain->val == 1; 1768dc29a1c1SHugues Fruchet bool auto_exp = sensor->ctrls.auto_exp->val == V4L2_EXPOSURE_AUTO; 1769aa288248SMaxime Ripard unsigned long rate; 177019a81c14SSteve Longerbeam int ret; 177119a81c14SSteve Longerbeam 177219a81c14SSteve Longerbeam dn_mode = mode->dn_mode; 177319a81c14SSteve Longerbeam orig_dn_mode = orig_mode->dn_mode; 177419a81c14SSteve Longerbeam 177519a81c14SSteve Longerbeam /* auto gain and exposure must be turned off when changing modes */ 17763cca8ef5SHugues Fruchet if (auto_gain) { 17773cca8ef5SHugues Fruchet ret = ov5640_set_autogain(sensor, false); 177819a81c14SSteve Longerbeam if (ret) 177919a81c14SSteve Longerbeam return ret; 17803cca8ef5SHugues Fruchet } 1781bf4a4b51SMaxime Ripard 17823cca8ef5SHugues Fruchet if (auto_exp) { 1783dc29a1c1SHugues Fruchet ret = ov5640_set_autoexposure(sensor, false); 178419a81c14SSteve Longerbeam if (ret) 17853cca8ef5SHugues Fruchet goto restore_auto_gain; 17863cca8ef5SHugues Fruchet } 178719a81c14SSteve Longerbeam 1788aa288248SMaxime Ripard /* 1789aa288248SMaxime Ripard * All the formats we support have 16 bits per pixel, seems to require 1790aa288248SMaxime Ripard * the same rate than YUV, so we can just use 16 bpp all the time. 1791aa288248SMaxime Ripard */ 1792dfbfb7aaSMaxime Ripard rate = mode->vtot * mode->htot * 16; 1793dfbfb7aaSMaxime Ripard rate *= ov5640_framerates[sensor->current_fr]; 1794aa288248SMaxime Ripard if (sensor->ep.bus_type == V4L2_MBUS_CSI2_DPHY) { 1795aa288248SMaxime Ripard rate = rate / sensor->ep.bus.mipi_csi2.num_data_lanes; 1796aa288248SMaxime Ripard ret = ov5640_set_mipi_pclk(sensor, rate); 1797aa288248SMaxime Ripard } else { 1798aa288248SMaxime Ripard rate = rate / sensor->ep.bus.parallel.bus_width; 1799aa288248SMaxime Ripard ret = ov5640_set_dvp_pclk(sensor, rate); 1800aa288248SMaxime Ripard } 1801aa288248SMaxime Ripard 1802aa288248SMaxime Ripard if (ret < 0) 1803aa288248SMaxime Ripard return 0; 1804aa288248SMaxime Ripard 180519a81c14SSteve Longerbeam if ((dn_mode == SUBSAMPLING && orig_dn_mode == SCALING) || 180619a81c14SSteve Longerbeam (dn_mode == SCALING && orig_dn_mode == SUBSAMPLING)) { 180719a81c14SSteve Longerbeam /* 180819a81c14SSteve Longerbeam * change between subsampling and scaling 18093cca8ef5SHugues Fruchet * go through exposure calculation 181019a81c14SSteve Longerbeam */ 181119a81c14SSteve Longerbeam ret = ov5640_set_mode_exposure_calc(sensor, mode); 181219a81c14SSteve Longerbeam } else { 181319a81c14SSteve Longerbeam /* 181419a81c14SSteve Longerbeam * change inside subsampling or scaling 181519a81c14SSteve Longerbeam * download firmware directly 181619a81c14SSteve Longerbeam */ 18173cca8ef5SHugues Fruchet ret = ov5640_set_mode_direct(sensor, mode); 181819a81c14SSteve Longerbeam } 181919a81c14SSteve Longerbeam if (ret < 0) 18203cca8ef5SHugues Fruchet goto restore_auto_exp_gain; 18213cca8ef5SHugues Fruchet 18223cca8ef5SHugues Fruchet /* restore auto gain and exposure */ 18233cca8ef5SHugues Fruchet if (auto_gain) 18243cca8ef5SHugues Fruchet ov5640_set_autogain(sensor, true); 18253cca8ef5SHugues Fruchet if (auto_exp) 18263cca8ef5SHugues Fruchet ov5640_set_autoexposure(sensor, true); 182719a81c14SSteve Longerbeam 1828ce85705aSHugues Fruchet ret = ov5640_set_binning(sensor, dn_mode != SCALING); 1829ce85705aSHugues Fruchet if (ret < 0) 1830ce85705aSHugues Fruchet return ret; 183119a81c14SSteve Longerbeam ret = ov5640_set_ae_target(sensor, sensor->ae_target); 183219a81c14SSteve Longerbeam if (ret < 0) 183319a81c14SSteve Longerbeam return ret; 183419a81c14SSteve Longerbeam ret = ov5640_get_light_freq(sensor); 183519a81c14SSteve Longerbeam if (ret < 0) 183619a81c14SSteve Longerbeam return ret; 183719a81c14SSteve Longerbeam ret = ov5640_set_bandingfilter(sensor); 183819a81c14SSteve Longerbeam if (ret < 0) 183919a81c14SSteve Longerbeam return ret; 184019a81c14SSteve Longerbeam ret = ov5640_set_virtual_channel(sensor); 184119a81c14SSteve Longerbeam if (ret < 0) 184219a81c14SSteve Longerbeam return ret; 184319a81c14SSteve Longerbeam 184419a81c14SSteve Longerbeam sensor->pending_mode_change = false; 1845985cdcb0SHugues Fruchet sensor->last_mode = mode; 184619a81c14SSteve Longerbeam 184719a81c14SSteve Longerbeam return 0; 18483cca8ef5SHugues Fruchet 18493cca8ef5SHugues Fruchet restore_auto_exp_gain: 18503cca8ef5SHugues Fruchet if (auto_exp) 18513cca8ef5SHugues Fruchet ov5640_set_autoexposure(sensor, true); 18523cca8ef5SHugues Fruchet restore_auto_gain: 18533cca8ef5SHugues Fruchet if (auto_gain) 18543cca8ef5SHugues Fruchet ov5640_set_autogain(sensor, true); 18553cca8ef5SHugues Fruchet 18563cca8ef5SHugues Fruchet return ret; 185719a81c14SSteve Longerbeam } 185819a81c14SSteve Longerbeam 185919ad26f9SAkinobu Mita static int ov5640_set_framefmt(struct ov5640_dev *sensor, 186019ad26f9SAkinobu Mita struct v4l2_mbus_framefmt *format); 186119ad26f9SAkinobu Mita 186219a81c14SSteve Longerbeam /* restore the last set video mode after chip power-on */ 186319a81c14SSteve Longerbeam static int ov5640_restore_mode(struct ov5640_dev *sensor) 186419a81c14SSteve Longerbeam { 186519a81c14SSteve Longerbeam int ret; 186619a81c14SSteve Longerbeam 186719a81c14SSteve Longerbeam /* first load the initial register values */ 186819a81c14SSteve Longerbeam ret = ov5640_load_regs(sensor, &ov5640_mode_init_data); 186919a81c14SSteve Longerbeam if (ret < 0) 187019a81c14SSteve Longerbeam return ret; 1871985cdcb0SHugues Fruchet sensor->last_mode = &ov5640_mode_init_data; 187219a81c14SSteve Longerbeam 18738f57c2f8SMaxime Ripard ret = ov5640_mod_reg(sensor, OV5640_REG_SYS_ROOT_DIVIDER, 0x3f, 18747851fe7aSMaxime Ripard (ilog2(OV5640_SCLK2X_ROOT_DIV) << 2) | 18757851fe7aSMaxime Ripard ilog2(OV5640_SCLK_ROOT_DIV)); 18768f57c2f8SMaxime Ripard if (ret) 18778f57c2f8SMaxime Ripard return ret; 18788f57c2f8SMaxime Ripard 187919a81c14SSteve Longerbeam /* now restore the last capture mode */ 1880985cdcb0SHugues Fruchet ret = ov5640_set_mode(sensor); 188119ad26f9SAkinobu Mita if (ret < 0) 188219ad26f9SAkinobu Mita return ret; 188319ad26f9SAkinobu Mita 188419ad26f9SAkinobu Mita return ov5640_set_framefmt(sensor, &sensor->fmt); 188519a81c14SSteve Longerbeam } 188619a81c14SSteve Longerbeam 188719a81c14SSteve Longerbeam static void ov5640_power(struct ov5640_dev *sensor, bool enable) 188819a81c14SSteve Longerbeam { 18891fddc5daSHugues Fruchet gpiod_set_value_cansleep(sensor->pwdn_gpio, enable ? 0 : 1); 189019a81c14SSteve Longerbeam } 189119a81c14SSteve Longerbeam 189219a81c14SSteve Longerbeam static void ov5640_reset(struct ov5640_dev *sensor) 189319a81c14SSteve Longerbeam { 189419a81c14SSteve Longerbeam if (!sensor->reset_gpio) 189519a81c14SSteve Longerbeam return; 189619a81c14SSteve Longerbeam 18971fddc5daSHugues Fruchet gpiod_set_value_cansleep(sensor->reset_gpio, 0); 189819a81c14SSteve Longerbeam 189919a81c14SSteve Longerbeam /* camera power cycle */ 190019a81c14SSteve Longerbeam ov5640_power(sensor, false); 190119a81c14SSteve Longerbeam usleep_range(5000, 10000); 190219a81c14SSteve Longerbeam ov5640_power(sensor, true); 190319a81c14SSteve Longerbeam usleep_range(5000, 10000); 190419a81c14SSteve Longerbeam 19051fddc5daSHugues Fruchet gpiod_set_value_cansleep(sensor->reset_gpio, 1); 190619a81c14SSteve Longerbeam usleep_range(1000, 2000); 190719a81c14SSteve Longerbeam 19081fddc5daSHugues Fruchet gpiod_set_value_cansleep(sensor->reset_gpio, 0); 190919a81c14SSteve Longerbeam usleep_range(5000, 10000); 191019a81c14SSteve Longerbeam } 191119a81c14SSteve Longerbeam 19120f7acb52SHugues Fruchet static int ov5640_set_power_on(struct ov5640_dev *sensor) 191319a81c14SSteve Longerbeam { 19140f7acb52SHugues Fruchet struct i2c_client *client = sensor->i2c_client; 19150f7acb52SHugues Fruchet int ret; 191619a81c14SSteve Longerbeam 19170f7acb52SHugues Fruchet ret = clk_prepare_enable(sensor->xclk); 19180f7acb52SHugues Fruchet if (ret) { 19190f7acb52SHugues Fruchet dev_err(&client->dev, "%s: failed to enable clock\n", 19200f7acb52SHugues Fruchet __func__); 19210f7acb52SHugues Fruchet return ret; 19220f7acb52SHugues Fruchet } 192319a81c14SSteve Longerbeam 192419a81c14SSteve Longerbeam ret = regulator_bulk_enable(OV5640_NUM_SUPPLIES, 192519a81c14SSteve Longerbeam sensor->supplies); 19260f7acb52SHugues Fruchet if (ret) { 19270f7acb52SHugues Fruchet dev_err(&client->dev, "%s: failed to enable regulators\n", 19280f7acb52SHugues Fruchet __func__); 192919a81c14SSteve Longerbeam goto xclk_off; 19300f7acb52SHugues Fruchet } 193119a81c14SSteve Longerbeam 193219a81c14SSteve Longerbeam ov5640_reset(sensor); 193319a81c14SSteve Longerbeam ov5640_power(sensor, true); 193419a81c14SSteve Longerbeam 193519a81c14SSteve Longerbeam ret = ov5640_init_slave_id(sensor); 193619a81c14SSteve Longerbeam if (ret) 193719a81c14SSteve Longerbeam goto power_off; 193819a81c14SSteve Longerbeam 19390f7acb52SHugues Fruchet return 0; 19400f7acb52SHugues Fruchet 19410f7acb52SHugues Fruchet power_off: 19420f7acb52SHugues Fruchet ov5640_power(sensor, false); 19430f7acb52SHugues Fruchet regulator_bulk_disable(OV5640_NUM_SUPPLIES, sensor->supplies); 19440f7acb52SHugues Fruchet xclk_off: 19450f7acb52SHugues Fruchet clk_disable_unprepare(sensor->xclk); 19460f7acb52SHugues Fruchet return ret; 19470f7acb52SHugues Fruchet } 19480f7acb52SHugues Fruchet 19490f7acb52SHugues Fruchet static void ov5640_set_power_off(struct ov5640_dev *sensor) 19500f7acb52SHugues Fruchet { 19510f7acb52SHugues Fruchet ov5640_power(sensor, false); 19520f7acb52SHugues Fruchet regulator_bulk_disable(OV5640_NUM_SUPPLIES, sensor->supplies); 19530f7acb52SHugues Fruchet clk_disable_unprepare(sensor->xclk); 19540f7acb52SHugues Fruchet } 19550f7acb52SHugues Fruchet 19560f7acb52SHugues Fruchet static int ov5640_set_power(struct ov5640_dev *sensor, bool on) 19570f7acb52SHugues Fruchet { 19580f7acb52SHugues Fruchet int ret = 0; 19590f7acb52SHugues Fruchet 19600f7acb52SHugues Fruchet if (on) { 19610f7acb52SHugues Fruchet ret = ov5640_set_power_on(sensor); 19620f7acb52SHugues Fruchet if (ret) 19630f7acb52SHugues Fruchet return ret; 19640f7acb52SHugues Fruchet 196519a81c14SSteve Longerbeam ret = ov5640_restore_mode(sensor); 196619a81c14SSteve Longerbeam if (ret) 196719a81c14SSteve Longerbeam goto power_off; 196819a81c14SSteve Longerbeam 1969aa4bb8b8SJacopo Mondi /* We're done here for DVP bus, while CSI-2 needs setup. */ 19702d95e7edSSakari Ailus if (sensor->ep.bus_type != V4L2_MBUS_CSI2_DPHY) 1971aa4bb8b8SJacopo Mondi return 0; 1972aa4bb8b8SJacopo Mondi 197319a81c14SSteve Longerbeam /* 1974aa4bb8b8SJacopo Mondi * Power up MIPI HS Tx and LS Rx; 2 data lanes mode 1975aa4bb8b8SJacopo Mondi * 1976aa4bb8b8SJacopo Mondi * 0x300e = 0x40 1977aa4bb8b8SJacopo Mondi * [7:5] = 010 : 2 data lanes mode (see FIXME note in 1978aa4bb8b8SJacopo Mondi * "ov5640_set_stream_mipi()") 1979aa4bb8b8SJacopo Mondi * [4] = 0 : Power up MIPI HS Tx 1980aa4bb8b8SJacopo Mondi * [3] = 0 : Power up MIPI LS Rx 1981aa4bb8b8SJacopo Mondi * [2] = 0 : MIPI interface disabled 198219a81c14SSteve Longerbeam */ 1983aa4bb8b8SJacopo Mondi ret = ov5640_write_reg(sensor, 1984aa4bb8b8SJacopo Mondi OV5640_REG_IO_MIPI_CTRL00, 0x40); 198519a81c14SSteve Longerbeam if (ret) 198619a81c14SSteve Longerbeam goto power_off; 1987aa4bb8b8SJacopo Mondi 1988aa4bb8b8SJacopo Mondi /* 1989aa4bb8b8SJacopo Mondi * Gate clock and set LP11 in 'no packets mode' (idle) 1990aa4bb8b8SJacopo Mondi * 1991aa4bb8b8SJacopo Mondi * 0x4800 = 0x24 1992aa4bb8b8SJacopo Mondi * [5] = 1 : Gate clock when 'no packets' 1993aa4bb8b8SJacopo Mondi * [2] = 1 : MIPI bus in LP11 when 'no packets' 1994aa4bb8b8SJacopo Mondi */ 1995aa4bb8b8SJacopo Mondi ret = ov5640_write_reg(sensor, 1996aa4bb8b8SJacopo Mondi OV5640_REG_MIPI_CTRL00, 0x24); 199719a81c14SSteve Longerbeam if (ret) 199819a81c14SSteve Longerbeam goto power_off; 1999aa4bb8b8SJacopo Mondi 2000aa4bb8b8SJacopo Mondi /* 2001aa4bb8b8SJacopo Mondi * Set data lanes and clock in LP11 when 'sleeping' 2002aa4bb8b8SJacopo Mondi * 2003aa4bb8b8SJacopo Mondi * 0x3019 = 0x70 2004aa4bb8b8SJacopo Mondi * [6] = 1 : MIPI data lane 2 in LP11 when 'sleeping' 2005aa4bb8b8SJacopo Mondi * [5] = 1 : MIPI data lane 1 in LP11 when 'sleeping' 2006aa4bb8b8SJacopo Mondi * [4] = 1 : MIPI clock lane in LP11 when 'sleeping' 2007aa4bb8b8SJacopo Mondi */ 2008aa4bb8b8SJacopo Mondi ret = ov5640_write_reg(sensor, 2009aa4bb8b8SJacopo Mondi OV5640_REG_PAD_OUTPUT00, 0x70); 2010aa4bb8b8SJacopo Mondi if (ret) 2011aa4bb8b8SJacopo Mondi goto power_off; 2012aa4bb8b8SJacopo Mondi 2013aa4bb8b8SJacopo Mondi /* Give lanes some time to coax into LP11 state. */ 2014aa4bb8b8SJacopo Mondi usleep_range(500, 1000); 2015aa4bb8b8SJacopo Mondi 2016aa4bb8b8SJacopo Mondi } else { 20172d95e7edSSakari Ailus if (sensor->ep.bus_type == V4L2_MBUS_CSI2_DPHY) { 2018aa4bb8b8SJacopo Mondi /* Reset MIPI bus settings to their default values. */ 2019aa4bb8b8SJacopo Mondi ov5640_write_reg(sensor, 2020aa4bb8b8SJacopo Mondi OV5640_REG_IO_MIPI_CTRL00, 0x58); 2021aa4bb8b8SJacopo Mondi ov5640_write_reg(sensor, 2022aa4bb8b8SJacopo Mondi OV5640_REG_MIPI_CTRL00, 0x04); 2023aa4bb8b8SJacopo Mondi ov5640_write_reg(sensor, 2024aa4bb8b8SJacopo Mondi OV5640_REG_PAD_OUTPUT00, 0x00); 2025aa4bb8b8SJacopo Mondi } 2026aa4bb8b8SJacopo Mondi 2027aa4bb8b8SJacopo Mondi ov5640_set_power_off(sensor); 2028f22996dbSHugues Fruchet } 202919a81c14SSteve Longerbeam 203019a81c14SSteve Longerbeam return 0; 203119a81c14SSteve Longerbeam 203219a81c14SSteve Longerbeam power_off: 20330f7acb52SHugues Fruchet ov5640_set_power_off(sensor); 203419a81c14SSteve Longerbeam return ret; 203519a81c14SSteve Longerbeam } 203619a81c14SSteve Longerbeam 203719a81c14SSteve Longerbeam /* --------------- Subdev Operations --------------- */ 203819a81c14SSteve Longerbeam 203919a81c14SSteve Longerbeam static int ov5640_s_power(struct v4l2_subdev *sd, int on) 204019a81c14SSteve Longerbeam { 204119a81c14SSteve Longerbeam struct ov5640_dev *sensor = to_ov5640_dev(sd); 204219a81c14SSteve Longerbeam int ret = 0; 204319a81c14SSteve Longerbeam 204419a81c14SSteve Longerbeam mutex_lock(&sensor->lock); 204519a81c14SSteve Longerbeam 204619a81c14SSteve Longerbeam /* 204719a81c14SSteve Longerbeam * If the power count is modified from 0 to != 0 or from != 0 to 0, 204819a81c14SSteve Longerbeam * update the power state. 204919a81c14SSteve Longerbeam */ 205019a81c14SSteve Longerbeam if (sensor->power_count == !on) { 205119a81c14SSteve Longerbeam ret = ov5640_set_power(sensor, !!on); 205219a81c14SSteve Longerbeam if (ret) 205319a81c14SSteve Longerbeam goto out; 205419a81c14SSteve Longerbeam } 205519a81c14SSteve Longerbeam 205619a81c14SSteve Longerbeam /* Update the power count. */ 205719a81c14SSteve Longerbeam sensor->power_count += on ? 1 : -1; 205819a81c14SSteve Longerbeam WARN_ON(sensor->power_count < 0); 205919a81c14SSteve Longerbeam out: 206019a81c14SSteve Longerbeam mutex_unlock(&sensor->lock); 206119a81c14SSteve Longerbeam 206219a81c14SSteve Longerbeam if (on && !ret && sensor->power_count == 1) { 206319a81c14SSteve Longerbeam /* restore controls */ 206419a81c14SSteve Longerbeam ret = v4l2_ctrl_handler_setup(&sensor->ctrls.handler); 206519a81c14SSteve Longerbeam } 206619a81c14SSteve Longerbeam 206719a81c14SSteve Longerbeam return ret; 206819a81c14SSteve Longerbeam } 206919a81c14SSteve Longerbeam 207019a81c14SSteve Longerbeam static int ov5640_try_frame_interval(struct ov5640_dev *sensor, 207119a81c14SSteve Longerbeam struct v4l2_fract *fi, 207219a81c14SSteve Longerbeam u32 width, u32 height) 207319a81c14SSteve Longerbeam { 207419a81c14SSteve Longerbeam const struct ov5640_mode_info *mode; 20755a3ad937SMaxime Ripard enum ov5640_frame_rate rate = OV5640_30_FPS; 2076f6cc192fSMaxime Ripard int minfps, maxfps, best_fps, fps; 2077f6cc192fSMaxime Ripard int i; 207819a81c14SSteve Longerbeam 207919a81c14SSteve Longerbeam minfps = ov5640_framerates[OV5640_15_FPS]; 2080e823fb16SMaxime Ripard maxfps = ov5640_framerates[OV5640_60_FPS]; 208119a81c14SSteve Longerbeam 208219a81c14SSteve Longerbeam if (fi->numerator == 0) { 208319a81c14SSteve Longerbeam fi->denominator = maxfps; 208419a81c14SSteve Longerbeam fi->numerator = 1; 2085e823fb16SMaxime Ripard rate = OV5640_60_FPS; 2086e823fb16SMaxime Ripard goto find_mode; 208719a81c14SSteve Longerbeam } 208819a81c14SSteve Longerbeam 2089f6cc192fSMaxime Ripard fps = clamp_val(DIV_ROUND_CLOSEST(fi->denominator, fi->numerator), 2090f6cc192fSMaxime Ripard minfps, maxfps); 2091f6cc192fSMaxime Ripard 2092f6cc192fSMaxime Ripard best_fps = minfps; 2093f6cc192fSMaxime Ripard for (i = 0; i < ARRAY_SIZE(ov5640_framerates); i++) { 2094f6cc192fSMaxime Ripard int curr_fps = ov5640_framerates[i]; 2095f6cc192fSMaxime Ripard 2096f6cc192fSMaxime Ripard if (abs(curr_fps - fps) < abs(best_fps - fps)) { 2097f6cc192fSMaxime Ripard best_fps = curr_fps; 2098f6cc192fSMaxime Ripard rate = i; 2099f6cc192fSMaxime Ripard } 2100f6cc192fSMaxime Ripard } 210119a81c14SSteve Longerbeam 210219a81c14SSteve Longerbeam fi->numerator = 1; 2103f6cc192fSMaxime Ripard fi->denominator = best_fps; 210419a81c14SSteve Longerbeam 2105e823fb16SMaxime Ripard find_mode: 21065a3ad937SMaxime Ripard mode = ov5640_find_mode(sensor, rate, width, height, false); 21075a3ad937SMaxime Ripard return mode ? rate : -EINVAL; 210819a81c14SSteve Longerbeam } 210919a81c14SSteve Longerbeam 211019a81c14SSteve Longerbeam static int ov5640_get_fmt(struct v4l2_subdev *sd, 211119a81c14SSteve Longerbeam struct v4l2_subdev_pad_config *cfg, 211219a81c14SSteve Longerbeam struct v4l2_subdev_format *format) 211319a81c14SSteve Longerbeam { 211419a81c14SSteve Longerbeam struct ov5640_dev *sensor = to_ov5640_dev(sd); 211519a81c14SSteve Longerbeam struct v4l2_mbus_framefmt *fmt; 211619a81c14SSteve Longerbeam 211719a81c14SSteve Longerbeam if (format->pad != 0) 211819a81c14SSteve Longerbeam return -EINVAL; 211919a81c14SSteve Longerbeam 212019a81c14SSteve Longerbeam mutex_lock(&sensor->lock); 212119a81c14SSteve Longerbeam 212219a81c14SSteve Longerbeam if (format->which == V4L2_SUBDEV_FORMAT_TRY) 212319a81c14SSteve Longerbeam fmt = v4l2_subdev_get_try_format(&sensor->sd, cfg, 212419a81c14SSteve Longerbeam format->pad); 212519a81c14SSteve Longerbeam else 212619a81c14SSteve Longerbeam fmt = &sensor->fmt; 212719a81c14SSteve Longerbeam 212819a81c14SSteve Longerbeam format->format = *fmt; 212919a81c14SSteve Longerbeam 213019a81c14SSteve Longerbeam mutex_unlock(&sensor->lock); 213119a81c14SSteve Longerbeam 213219a81c14SSteve Longerbeam return 0; 213319a81c14SSteve Longerbeam } 213419a81c14SSteve Longerbeam 213519a81c14SSteve Longerbeam static int ov5640_try_fmt_internal(struct v4l2_subdev *sd, 213619a81c14SSteve Longerbeam struct v4l2_mbus_framefmt *fmt, 213719a81c14SSteve Longerbeam enum ov5640_frame_rate fr, 213819a81c14SSteve Longerbeam const struct ov5640_mode_info **new_mode) 213919a81c14SSteve Longerbeam { 214019a81c14SSteve Longerbeam struct ov5640_dev *sensor = to_ov5640_dev(sd); 214119a81c14SSteve Longerbeam const struct ov5640_mode_info *mode; 2142e3ee691dSHugues Fruchet int i; 214319a81c14SSteve Longerbeam 214419a81c14SSteve Longerbeam mode = ov5640_find_mode(sensor, fr, fmt->width, fmt->height, true); 214519a81c14SSteve Longerbeam if (!mode) 214619a81c14SSteve Longerbeam return -EINVAL; 2147dba13a0bSMaxime Ripard fmt->width = mode->hact; 2148dba13a0bSMaxime Ripard fmt->height = mode->vact; 214919a81c14SSteve Longerbeam 215019a81c14SSteve Longerbeam if (new_mode) 215119a81c14SSteve Longerbeam *new_mode = mode; 2152e3ee691dSHugues Fruchet 2153e3ee691dSHugues Fruchet for (i = 0; i < ARRAY_SIZE(ov5640_formats); i++) 2154e3ee691dSHugues Fruchet if (ov5640_formats[i].code == fmt->code) 2155e3ee691dSHugues Fruchet break; 2156e3ee691dSHugues Fruchet if (i >= ARRAY_SIZE(ov5640_formats)) 2157e6441fdeSHugues Fruchet i = 0; 2158e6441fdeSHugues Fruchet 2159e6441fdeSHugues Fruchet fmt->code = ov5640_formats[i].code; 2160e6441fdeSHugues Fruchet fmt->colorspace = ov5640_formats[i].colorspace; 2161e6441fdeSHugues Fruchet fmt->ycbcr_enc = V4L2_MAP_YCBCR_ENC_DEFAULT(fmt->colorspace); 2162e6441fdeSHugues Fruchet fmt->quantization = V4L2_QUANTIZATION_FULL_RANGE; 2163e6441fdeSHugues Fruchet fmt->xfer_func = V4L2_MAP_XFER_FUNC_DEFAULT(fmt->colorspace); 2164e3ee691dSHugues Fruchet 216519a81c14SSteve Longerbeam return 0; 216619a81c14SSteve Longerbeam } 216719a81c14SSteve Longerbeam 216819a81c14SSteve Longerbeam static int ov5640_set_fmt(struct v4l2_subdev *sd, 216919a81c14SSteve Longerbeam struct v4l2_subdev_pad_config *cfg, 217019a81c14SSteve Longerbeam struct v4l2_subdev_format *format) 217119a81c14SSteve Longerbeam { 217219a81c14SSteve Longerbeam struct ov5640_dev *sensor = to_ov5640_dev(sd); 217319a81c14SSteve Longerbeam const struct ov5640_mode_info *new_mode; 2174e6441fdeSHugues Fruchet struct v4l2_mbus_framefmt *mbus_fmt = &format->format; 217507115449SJacopo Mondi struct v4l2_mbus_framefmt *fmt; 217619a81c14SSteve Longerbeam int ret; 217719a81c14SSteve Longerbeam 217819a81c14SSteve Longerbeam if (format->pad != 0) 217919a81c14SSteve Longerbeam return -EINVAL; 218019a81c14SSteve Longerbeam 218119a81c14SSteve Longerbeam mutex_lock(&sensor->lock); 218219a81c14SSteve Longerbeam 218319a81c14SSteve Longerbeam if (sensor->streaming) { 218419a81c14SSteve Longerbeam ret = -EBUSY; 218519a81c14SSteve Longerbeam goto out; 218619a81c14SSteve Longerbeam } 218719a81c14SSteve Longerbeam 2188e6441fdeSHugues Fruchet ret = ov5640_try_fmt_internal(sd, mbus_fmt, 218919a81c14SSteve Longerbeam sensor->current_fr, &new_mode); 219019a81c14SSteve Longerbeam if (ret) 219119a81c14SSteve Longerbeam goto out; 219219a81c14SSteve Longerbeam 219307115449SJacopo Mondi if (format->which == V4L2_SUBDEV_FORMAT_TRY) 219407115449SJacopo Mondi fmt = v4l2_subdev_get_try_format(sd, cfg, 0); 219507115449SJacopo Mondi else 219607115449SJacopo Mondi fmt = &sensor->fmt; 219719a81c14SSteve Longerbeam 2198e6441fdeSHugues Fruchet *fmt = *mbus_fmt; 219919a81c14SSteve Longerbeam 22006949d864SHugues Fruchet if (new_mode != sensor->current_mode) { 220119a81c14SSteve Longerbeam sensor->current_mode = new_mode; 220219a81c14SSteve Longerbeam sensor->pending_mode_change = true; 22036949d864SHugues Fruchet } 220407115449SJacopo Mondi if (mbus_fmt->code != sensor->fmt.code) 2205fb98e29fSHugues Fruchet sensor->pending_fmt_change = true; 220607115449SJacopo Mondi 220719a81c14SSteve Longerbeam out: 220819a81c14SSteve Longerbeam mutex_unlock(&sensor->lock); 220919a81c14SSteve Longerbeam return ret; 221019a81c14SSteve Longerbeam } 221119a81c14SSteve Longerbeam 2212e3ee691dSHugues Fruchet static int ov5640_set_framefmt(struct ov5640_dev *sensor, 2213e3ee691dSHugues Fruchet struct v4l2_mbus_framefmt *format) 2214e3ee691dSHugues Fruchet { 2215e3ee691dSHugues Fruchet int ret = 0; 2216d47c4126SHugues Fruchet bool is_jpeg = false; 2217b7ed3abdSLoic Poulain u8 fmt, mux; 2218e3ee691dSHugues Fruchet 2219e3ee691dSHugues Fruchet switch (format->code) { 2220e3ee691dSHugues Fruchet case MEDIA_BUS_FMT_UYVY8_2X8: 2221e3ee691dSHugues Fruchet /* YUV422, UYVY */ 2222b7ed3abdSLoic Poulain fmt = 0x3f; 2223b7ed3abdSLoic Poulain mux = OV5640_FMT_MUX_YUV422; 2224e3ee691dSHugues Fruchet break; 2225e3ee691dSHugues Fruchet case MEDIA_BUS_FMT_YUYV8_2X8: 2226e3ee691dSHugues Fruchet /* YUV422, YUYV */ 2227b7ed3abdSLoic Poulain fmt = 0x30; 2228b7ed3abdSLoic Poulain mux = OV5640_FMT_MUX_YUV422; 2229e3ee691dSHugues Fruchet break; 2230e3ee691dSHugues Fruchet case MEDIA_BUS_FMT_RGB565_2X8_LE: 2231e3ee691dSHugues Fruchet /* RGB565 {g[2:0],b[4:0]},{r[4:0],g[5:3]} */ 2232b7ed3abdSLoic Poulain fmt = 0x6F; 2233b7ed3abdSLoic Poulain mux = OV5640_FMT_MUX_RGB; 2234e3ee691dSHugues Fruchet break; 2235e3ee691dSHugues Fruchet case MEDIA_BUS_FMT_RGB565_2X8_BE: 2236e3ee691dSHugues Fruchet /* RGB565 {r[4:0],g[5:3]},{g[2:0],b[4:0]} */ 2237b7ed3abdSLoic Poulain fmt = 0x61; 2238b7ed3abdSLoic Poulain mux = OV5640_FMT_MUX_RGB; 2239e3ee691dSHugues Fruchet break; 2240d47c4126SHugues Fruchet case MEDIA_BUS_FMT_JPEG_1X8: 2241d47c4126SHugues Fruchet /* YUV422, YUYV */ 2242b7ed3abdSLoic Poulain fmt = 0x30; 2243b7ed3abdSLoic Poulain mux = OV5640_FMT_MUX_YUV422; 2244d47c4126SHugues Fruchet is_jpeg = true; 2245d47c4126SHugues Fruchet break; 2246b7ed3abdSLoic Poulain case MEDIA_BUS_FMT_SBGGR8_1X8: 2247b7ed3abdSLoic Poulain /* Raw, BGBG... / GRGR... */ 2248b7ed3abdSLoic Poulain fmt = 0x00; 2249b7ed3abdSLoic Poulain mux = OV5640_FMT_MUX_RAW_DPC; 2250b7ed3abdSLoic Poulain break; 2251b7ed3abdSLoic Poulain case MEDIA_BUS_FMT_SGBRG8_1X8: 2252b7ed3abdSLoic Poulain /* Raw bayer, GBGB... / RGRG... */ 2253b7ed3abdSLoic Poulain fmt = 0x01; 2254b7ed3abdSLoic Poulain mux = OV5640_FMT_MUX_RAW_DPC; 2255b7ed3abdSLoic Poulain break; 2256b7ed3abdSLoic Poulain case MEDIA_BUS_FMT_SGRBG8_1X8: 2257b7ed3abdSLoic Poulain /* Raw bayer, GRGR... / BGBG... */ 2258b7ed3abdSLoic Poulain fmt = 0x02; 2259b7ed3abdSLoic Poulain mux = OV5640_FMT_MUX_RAW_DPC; 2260b7ed3abdSLoic Poulain break; 2261b7ed3abdSLoic Poulain case MEDIA_BUS_FMT_SRGGB8_1X8: 2262b7ed3abdSLoic Poulain /* Raw bayer, RGRG... / GBGB... */ 2263b7ed3abdSLoic Poulain fmt = 0x03; 2264b7ed3abdSLoic Poulain mux = OV5640_FMT_MUX_RAW_DPC; 2265b7ed3abdSLoic Poulain break; 2266e3ee691dSHugues Fruchet default: 2267e3ee691dSHugues Fruchet return -EINVAL; 2268e3ee691dSHugues Fruchet } 2269e3ee691dSHugues Fruchet 2270e3ee691dSHugues Fruchet /* FORMAT CONTROL00: YUV and RGB formatting */ 2271b7ed3abdSLoic Poulain ret = ov5640_write_reg(sensor, OV5640_REG_FORMAT_CONTROL00, fmt); 2272e3ee691dSHugues Fruchet if (ret) 2273e3ee691dSHugues Fruchet return ret; 2274e3ee691dSHugues Fruchet 2275e3ee691dSHugues Fruchet /* FORMAT MUX CONTROL: ISP YUV or RGB */ 2276b7ed3abdSLoic Poulain ret = ov5640_write_reg(sensor, OV5640_REG_ISP_FORMAT_MUX_CTRL, mux); 2277d47c4126SHugues Fruchet if (ret) 2278d47c4126SHugues Fruchet return ret; 2279d47c4126SHugues Fruchet 2280d47c4126SHugues Fruchet /* 2281d47c4126SHugues Fruchet * TIMING TC REG21: 2282d47c4126SHugues Fruchet * - [5]: JPEG enable 2283d47c4126SHugues Fruchet */ 2284d47c4126SHugues Fruchet ret = ov5640_mod_reg(sensor, OV5640_REG_TIMING_TC_REG21, 2285d47c4126SHugues Fruchet BIT(5), is_jpeg ? BIT(5) : 0); 2286d47c4126SHugues Fruchet if (ret) 2287d47c4126SHugues Fruchet return ret; 2288d47c4126SHugues Fruchet 2289d47c4126SHugues Fruchet /* 2290d47c4126SHugues Fruchet * SYSTEM RESET02: 2291d47c4126SHugues Fruchet * - [4]: Reset JFIFO 2292d47c4126SHugues Fruchet * - [3]: Reset SFIFO 2293d47c4126SHugues Fruchet * - [2]: Reset JPEG 2294d47c4126SHugues Fruchet */ 2295d47c4126SHugues Fruchet ret = ov5640_mod_reg(sensor, OV5640_REG_SYS_RESET02, 2296d47c4126SHugues Fruchet BIT(4) | BIT(3) | BIT(2), 2297d47c4126SHugues Fruchet is_jpeg ? 0 : (BIT(4) | BIT(3) | BIT(2))); 2298d47c4126SHugues Fruchet if (ret) 2299d47c4126SHugues Fruchet return ret; 2300d47c4126SHugues Fruchet 2301d47c4126SHugues Fruchet /* 2302d47c4126SHugues Fruchet * CLOCK ENABLE02: 2303d47c4126SHugues Fruchet * - [5]: Enable JPEG 2x clock 2304d47c4126SHugues Fruchet * - [3]: Enable JPEG clock 2305d47c4126SHugues Fruchet */ 2306d47c4126SHugues Fruchet return ov5640_mod_reg(sensor, OV5640_REG_SYS_CLOCK_ENABLE02, 2307d47c4126SHugues Fruchet BIT(5) | BIT(3), 2308d47c4126SHugues Fruchet is_jpeg ? (BIT(5) | BIT(3)) : 0); 2309e3ee691dSHugues Fruchet } 231019a81c14SSteve Longerbeam 231119a81c14SSteve Longerbeam /* 231219a81c14SSteve Longerbeam * Sensor Controls. 231319a81c14SSteve Longerbeam */ 231419a81c14SSteve Longerbeam 231519a81c14SSteve Longerbeam static int ov5640_set_ctrl_hue(struct ov5640_dev *sensor, int value) 231619a81c14SSteve Longerbeam { 231719a81c14SSteve Longerbeam int ret; 231819a81c14SSteve Longerbeam 231919a81c14SSteve Longerbeam if (value) { 232019a81c14SSteve Longerbeam ret = ov5640_mod_reg(sensor, OV5640_REG_SDE_CTRL0, 232119a81c14SSteve Longerbeam BIT(0), BIT(0)); 232219a81c14SSteve Longerbeam if (ret) 232319a81c14SSteve Longerbeam return ret; 232419a81c14SSteve Longerbeam ret = ov5640_write_reg16(sensor, OV5640_REG_SDE_CTRL1, value); 232519a81c14SSteve Longerbeam } else { 232619a81c14SSteve Longerbeam ret = ov5640_mod_reg(sensor, OV5640_REG_SDE_CTRL0, BIT(0), 0); 232719a81c14SSteve Longerbeam } 232819a81c14SSteve Longerbeam 232919a81c14SSteve Longerbeam return ret; 233019a81c14SSteve Longerbeam } 233119a81c14SSteve Longerbeam 233219a81c14SSteve Longerbeam static int ov5640_set_ctrl_contrast(struct ov5640_dev *sensor, int value) 233319a81c14SSteve Longerbeam { 233419a81c14SSteve Longerbeam int ret; 233519a81c14SSteve Longerbeam 233619a81c14SSteve Longerbeam if (value) { 233719a81c14SSteve Longerbeam ret = ov5640_mod_reg(sensor, OV5640_REG_SDE_CTRL0, 233819a81c14SSteve Longerbeam BIT(2), BIT(2)); 233919a81c14SSteve Longerbeam if (ret) 234019a81c14SSteve Longerbeam return ret; 234119a81c14SSteve Longerbeam ret = ov5640_write_reg(sensor, OV5640_REG_SDE_CTRL5, 234219a81c14SSteve Longerbeam value & 0xff); 234319a81c14SSteve Longerbeam } else { 234419a81c14SSteve Longerbeam ret = ov5640_mod_reg(sensor, OV5640_REG_SDE_CTRL0, BIT(2), 0); 234519a81c14SSteve Longerbeam } 234619a81c14SSteve Longerbeam 234719a81c14SSteve Longerbeam return ret; 234819a81c14SSteve Longerbeam } 234919a81c14SSteve Longerbeam 235019a81c14SSteve Longerbeam static int ov5640_set_ctrl_saturation(struct ov5640_dev *sensor, int value) 235119a81c14SSteve Longerbeam { 235219a81c14SSteve Longerbeam int ret; 235319a81c14SSteve Longerbeam 235419a81c14SSteve Longerbeam if (value) { 235519a81c14SSteve Longerbeam ret = ov5640_mod_reg(sensor, OV5640_REG_SDE_CTRL0, 235619a81c14SSteve Longerbeam BIT(1), BIT(1)); 235719a81c14SSteve Longerbeam if (ret) 235819a81c14SSteve Longerbeam return ret; 235919a81c14SSteve Longerbeam ret = ov5640_write_reg(sensor, OV5640_REG_SDE_CTRL3, 236019a81c14SSteve Longerbeam value & 0xff); 236119a81c14SSteve Longerbeam if (ret) 236219a81c14SSteve Longerbeam return ret; 236319a81c14SSteve Longerbeam ret = ov5640_write_reg(sensor, OV5640_REG_SDE_CTRL4, 236419a81c14SSteve Longerbeam value & 0xff); 236519a81c14SSteve Longerbeam } else { 236619a81c14SSteve Longerbeam ret = ov5640_mod_reg(sensor, OV5640_REG_SDE_CTRL0, BIT(1), 0); 236719a81c14SSteve Longerbeam } 236819a81c14SSteve Longerbeam 236919a81c14SSteve Longerbeam return ret; 237019a81c14SSteve Longerbeam } 237119a81c14SSteve Longerbeam 237219a81c14SSteve Longerbeam static int ov5640_set_ctrl_white_balance(struct ov5640_dev *sensor, int awb) 237319a81c14SSteve Longerbeam { 237419a81c14SSteve Longerbeam int ret; 237519a81c14SSteve Longerbeam 237619a81c14SSteve Longerbeam ret = ov5640_mod_reg(sensor, OV5640_REG_AWB_MANUAL_CTRL, 237719a81c14SSteve Longerbeam BIT(0), awb ? 0 : 1); 237819a81c14SSteve Longerbeam if (ret) 237919a81c14SSteve Longerbeam return ret; 238019a81c14SSteve Longerbeam 238119a81c14SSteve Longerbeam if (!awb) { 238219a81c14SSteve Longerbeam u16 red = (u16)sensor->ctrls.red_balance->val; 238319a81c14SSteve Longerbeam u16 blue = (u16)sensor->ctrls.blue_balance->val; 238419a81c14SSteve Longerbeam 238519a81c14SSteve Longerbeam ret = ov5640_write_reg16(sensor, OV5640_REG_AWB_R_GAIN, red); 238619a81c14SSteve Longerbeam if (ret) 238719a81c14SSteve Longerbeam return ret; 238819a81c14SSteve Longerbeam ret = ov5640_write_reg16(sensor, OV5640_REG_AWB_B_GAIN, blue); 238919a81c14SSteve Longerbeam } 239019a81c14SSteve Longerbeam 239119a81c14SSteve Longerbeam return ret; 239219a81c14SSteve Longerbeam } 239319a81c14SSteve Longerbeam 23943cca8ef5SHugues Fruchet static int ov5640_set_ctrl_exposure(struct ov5640_dev *sensor, 23953cca8ef5SHugues Fruchet enum v4l2_exposure_auto_type auto_exposure) 239619a81c14SSteve Longerbeam { 239719a81c14SSteve Longerbeam struct ov5640_ctrls *ctrls = &sensor->ctrls; 23983cca8ef5SHugues Fruchet bool auto_exp = (auto_exposure == V4L2_EXPOSURE_AUTO); 239919a81c14SSteve Longerbeam int ret = 0; 240019a81c14SSteve Longerbeam 240119a81c14SSteve Longerbeam if (ctrls->auto_exp->is_new) { 24023cca8ef5SHugues Fruchet ret = ov5640_set_autoexposure(sensor, auto_exp); 240319a81c14SSteve Longerbeam if (ret) 240419a81c14SSteve Longerbeam return ret; 240519a81c14SSteve Longerbeam } 240619a81c14SSteve Longerbeam 24073cca8ef5SHugues Fruchet if (!auto_exp && ctrls->exposure->is_new) { 240819a81c14SSteve Longerbeam u16 max_exp; 240919a81c14SSteve Longerbeam 241019a81c14SSteve Longerbeam ret = ov5640_read_reg16(sensor, OV5640_REG_AEC_PK_VTS, 241119a81c14SSteve Longerbeam &max_exp); 241219a81c14SSteve Longerbeam if (ret) 241319a81c14SSteve Longerbeam return ret; 241419a81c14SSteve Longerbeam ret = ov5640_get_vts(sensor); 241519a81c14SSteve Longerbeam if (ret < 0) 241619a81c14SSteve Longerbeam return ret; 241719a81c14SSteve Longerbeam max_exp += ret; 24186146fde3SHugues Fruchet ret = 0; 241919a81c14SSteve Longerbeam 242019a81c14SSteve Longerbeam if (ctrls->exposure->val < max_exp) 242119a81c14SSteve Longerbeam ret = ov5640_set_exposure(sensor, ctrls->exposure->val); 242219a81c14SSteve Longerbeam } 242319a81c14SSteve Longerbeam 242419a81c14SSteve Longerbeam return ret; 242519a81c14SSteve Longerbeam } 242619a81c14SSteve Longerbeam 24273cca8ef5SHugues Fruchet static int ov5640_set_ctrl_gain(struct ov5640_dev *sensor, bool auto_gain) 242819a81c14SSteve Longerbeam { 242919a81c14SSteve Longerbeam struct ov5640_ctrls *ctrls = &sensor->ctrls; 243019a81c14SSteve Longerbeam int ret = 0; 243119a81c14SSteve Longerbeam 243219a81c14SSteve Longerbeam if (ctrls->auto_gain->is_new) { 24333cca8ef5SHugues Fruchet ret = ov5640_set_autogain(sensor, auto_gain); 243419a81c14SSteve Longerbeam if (ret) 243519a81c14SSteve Longerbeam return ret; 243619a81c14SSteve Longerbeam } 243719a81c14SSteve Longerbeam 24383cca8ef5SHugues Fruchet if (!auto_gain && ctrls->gain->is_new) 24393cca8ef5SHugues Fruchet ret = ov5640_set_gain(sensor, ctrls->gain->val); 244019a81c14SSteve Longerbeam 244119a81c14SSteve Longerbeam return ret; 244219a81c14SSteve Longerbeam } 244319a81c14SSteve Longerbeam 24449f6d7bacSChen-Yu Tsai static const char * const test_pattern_menu[] = { 24459f6d7bacSChen-Yu Tsai "Disabled", 24469f6d7bacSChen-Yu Tsai "Color bars", 24479f6d7bacSChen-Yu Tsai }; 24489f6d7bacSChen-Yu Tsai 2449a0c29afbSChen-Yu Tsai #define OV5640_TEST_ENABLE BIT(7) 2450a0c29afbSChen-Yu Tsai #define OV5640_TEST_ROLLING BIT(6) /* rolling horizontal bar */ 2451a0c29afbSChen-Yu Tsai #define OV5640_TEST_TRANSPARENT BIT(5) 2452a0c29afbSChen-Yu Tsai #define OV5640_TEST_SQUARE_BW BIT(4) /* black & white squares */ 2453a0c29afbSChen-Yu Tsai #define OV5640_TEST_BAR_STANDARD (0 << 2) 2454a0c29afbSChen-Yu Tsai #define OV5640_TEST_BAR_VERT_CHANGE_1 (1 << 2) 2455a0c29afbSChen-Yu Tsai #define OV5640_TEST_BAR_HOR_CHANGE (2 << 2) 2456a0c29afbSChen-Yu Tsai #define OV5640_TEST_BAR_VERT_CHANGE_2 (3 << 2) 2457a0c29afbSChen-Yu Tsai #define OV5640_TEST_BAR (0 << 0) 2458a0c29afbSChen-Yu Tsai #define OV5640_TEST_RANDOM (1 << 0) 2459a0c29afbSChen-Yu Tsai #define OV5640_TEST_SQUARE (2 << 0) 2460a0c29afbSChen-Yu Tsai #define OV5640_TEST_BLACK (3 << 0) 2461a0c29afbSChen-Yu Tsai 2462a0c29afbSChen-Yu Tsai static const u8 test_pattern_val[] = { 2463a0c29afbSChen-Yu Tsai 0, 24642aff1fc3SChen-Yu Tsai OV5640_TEST_ENABLE | OV5640_TEST_BAR_VERT_CHANGE_1 | 2465a0c29afbSChen-Yu Tsai OV5640_TEST_BAR, 2466a0c29afbSChen-Yu Tsai }; 2467a0c29afbSChen-Yu Tsai 246819a81c14SSteve Longerbeam static int ov5640_set_ctrl_test_pattern(struct ov5640_dev *sensor, int value) 246919a81c14SSteve Longerbeam { 2470a0c29afbSChen-Yu Tsai return ov5640_write_reg(sensor, OV5640_REG_PRE_ISP_TEST_SET1, 2471a0c29afbSChen-Yu Tsai test_pattern_val[value]); 247219a81c14SSteve Longerbeam } 247319a81c14SSteve Longerbeam 24741068fecaSMylène Josserand static int ov5640_set_ctrl_light_freq(struct ov5640_dev *sensor, int value) 24751068fecaSMylène Josserand { 24761068fecaSMylène Josserand int ret; 24771068fecaSMylène Josserand 24781068fecaSMylène Josserand ret = ov5640_mod_reg(sensor, OV5640_REG_HZ5060_CTRL01, BIT(7), 24791068fecaSMylène Josserand (value == V4L2_CID_POWER_LINE_FREQUENCY_AUTO) ? 24801068fecaSMylène Josserand 0 : BIT(7)); 24811068fecaSMylène Josserand if (ret) 24821068fecaSMylène Josserand return ret; 24831068fecaSMylène Josserand 24841068fecaSMylène Josserand return ov5640_mod_reg(sensor, OV5640_REG_HZ5060_CTRL00, BIT(2), 24851068fecaSMylène Josserand (value == V4L2_CID_POWER_LINE_FREQUENCY_50HZ) ? 24861068fecaSMylène Josserand BIT(2) : 0); 24871068fecaSMylène Josserand } 24881068fecaSMylène Josserand 2489ce85705aSHugues Fruchet static int ov5640_set_ctrl_hflip(struct ov5640_dev *sensor, int value) 2490ce85705aSHugues Fruchet { 2491ce85705aSHugues Fruchet /* 2492c3f3ba3eSHugues Fruchet * If sensor is mounted upside down, mirror logic is inversed. 2493c3f3ba3eSHugues Fruchet * 2494ce85705aSHugues Fruchet * Sensor is a BSI (Back Side Illuminated) one, 2495ce85705aSHugues Fruchet * so image captured is physically mirrored. 2496ce85705aSHugues Fruchet * This is why mirror logic is inversed in 2497ce85705aSHugues Fruchet * order to cancel this mirror effect. 2498ce85705aSHugues Fruchet */ 2499ce85705aSHugues Fruchet 2500ce85705aSHugues Fruchet /* 2501ce85705aSHugues Fruchet * TIMING TC REG21: 2502ce85705aSHugues Fruchet * - [2]: ISP mirror 2503ce85705aSHugues Fruchet * - [1]: Sensor mirror 2504ce85705aSHugues Fruchet */ 2505ce85705aSHugues Fruchet return ov5640_mod_reg(sensor, OV5640_REG_TIMING_TC_REG21, 2506ce85705aSHugues Fruchet BIT(2) | BIT(1), 2507c3f3ba3eSHugues Fruchet (!(value ^ sensor->upside_down)) ? 2508c3f3ba3eSHugues Fruchet (BIT(2) | BIT(1)) : 0); 2509ce85705aSHugues Fruchet } 2510ce85705aSHugues Fruchet 2511ce85705aSHugues Fruchet static int ov5640_set_ctrl_vflip(struct ov5640_dev *sensor, int value) 2512ce85705aSHugues Fruchet { 2513c3f3ba3eSHugues Fruchet /* If sensor is mounted upside down, flip logic is inversed */ 2514c3f3ba3eSHugues Fruchet 2515ce85705aSHugues Fruchet /* 2516ce85705aSHugues Fruchet * TIMING TC REG20: 2517ce85705aSHugues Fruchet * - [2]: ISP vflip 2518ce85705aSHugues Fruchet * - [1]: Sensor vflip 2519ce85705aSHugues Fruchet */ 2520ce85705aSHugues Fruchet return ov5640_mod_reg(sensor, OV5640_REG_TIMING_TC_REG20, 2521ce85705aSHugues Fruchet BIT(2) | BIT(1), 2522c3f3ba3eSHugues Fruchet (value ^ sensor->upside_down) ? 2523c3f3ba3eSHugues Fruchet (BIT(2) | BIT(1)) : 0); 2524ce85705aSHugues Fruchet } 2525ce85705aSHugues Fruchet 252619a81c14SSteve Longerbeam static int ov5640_g_volatile_ctrl(struct v4l2_ctrl *ctrl) 252719a81c14SSteve Longerbeam { 252819a81c14SSteve Longerbeam struct v4l2_subdev *sd = ctrl_to_sd(ctrl); 252919a81c14SSteve Longerbeam struct ov5640_dev *sensor = to_ov5640_dev(sd); 253019a81c14SSteve Longerbeam int val; 253119a81c14SSteve Longerbeam 253219a81c14SSteve Longerbeam /* v4l2_ctrl_lock() locks our own mutex */ 253319a81c14SSteve Longerbeam 253419a81c14SSteve Longerbeam switch (ctrl->id) { 253519a81c14SSteve Longerbeam case V4L2_CID_AUTOGAIN: 253619a81c14SSteve Longerbeam val = ov5640_get_gain(sensor); 253719a81c14SSteve Longerbeam if (val < 0) 253819a81c14SSteve Longerbeam return val; 253919a81c14SSteve Longerbeam sensor->ctrls.gain->val = val; 254019a81c14SSteve Longerbeam break; 254119a81c14SSteve Longerbeam case V4L2_CID_EXPOSURE_AUTO: 254219a81c14SSteve Longerbeam val = ov5640_get_exposure(sensor); 254319a81c14SSteve Longerbeam if (val < 0) 254419a81c14SSteve Longerbeam return val; 254519a81c14SSteve Longerbeam sensor->ctrls.exposure->val = val; 254619a81c14SSteve Longerbeam break; 254719a81c14SSteve Longerbeam } 254819a81c14SSteve Longerbeam 254919a81c14SSteve Longerbeam return 0; 255019a81c14SSteve Longerbeam } 255119a81c14SSteve Longerbeam 255219a81c14SSteve Longerbeam static int ov5640_s_ctrl(struct v4l2_ctrl *ctrl) 255319a81c14SSteve Longerbeam { 255419a81c14SSteve Longerbeam struct v4l2_subdev *sd = ctrl_to_sd(ctrl); 255519a81c14SSteve Longerbeam struct ov5640_dev *sensor = to_ov5640_dev(sd); 255619a81c14SSteve Longerbeam int ret; 255719a81c14SSteve Longerbeam 255819a81c14SSteve Longerbeam /* v4l2_ctrl_lock() locks our own mutex */ 255919a81c14SSteve Longerbeam 256019a81c14SSteve Longerbeam /* 256119a81c14SSteve Longerbeam * If the device is not powered up by the host driver do 256219a81c14SSteve Longerbeam * not apply any controls to H/W at this time. Instead 256319a81c14SSteve Longerbeam * the controls will be restored right after power-up. 256419a81c14SSteve Longerbeam */ 256519a81c14SSteve Longerbeam if (sensor->power_count == 0) 256619a81c14SSteve Longerbeam return 0; 256719a81c14SSteve Longerbeam 256819a81c14SSteve Longerbeam switch (ctrl->id) { 256919a81c14SSteve Longerbeam case V4L2_CID_AUTOGAIN: 257019a81c14SSteve Longerbeam ret = ov5640_set_ctrl_gain(sensor, ctrl->val); 257119a81c14SSteve Longerbeam break; 257219a81c14SSteve Longerbeam case V4L2_CID_EXPOSURE_AUTO: 257319a81c14SSteve Longerbeam ret = ov5640_set_ctrl_exposure(sensor, ctrl->val); 257419a81c14SSteve Longerbeam break; 257519a81c14SSteve Longerbeam case V4L2_CID_AUTO_WHITE_BALANCE: 257619a81c14SSteve Longerbeam ret = ov5640_set_ctrl_white_balance(sensor, ctrl->val); 257719a81c14SSteve Longerbeam break; 257819a81c14SSteve Longerbeam case V4L2_CID_HUE: 257919a81c14SSteve Longerbeam ret = ov5640_set_ctrl_hue(sensor, ctrl->val); 258019a81c14SSteve Longerbeam break; 258119a81c14SSteve Longerbeam case V4L2_CID_CONTRAST: 258219a81c14SSteve Longerbeam ret = ov5640_set_ctrl_contrast(sensor, ctrl->val); 258319a81c14SSteve Longerbeam break; 258419a81c14SSteve Longerbeam case V4L2_CID_SATURATION: 258519a81c14SSteve Longerbeam ret = ov5640_set_ctrl_saturation(sensor, ctrl->val); 258619a81c14SSteve Longerbeam break; 258719a81c14SSteve Longerbeam case V4L2_CID_TEST_PATTERN: 258819a81c14SSteve Longerbeam ret = ov5640_set_ctrl_test_pattern(sensor, ctrl->val); 258919a81c14SSteve Longerbeam break; 25901068fecaSMylène Josserand case V4L2_CID_POWER_LINE_FREQUENCY: 25911068fecaSMylène Josserand ret = ov5640_set_ctrl_light_freq(sensor, ctrl->val); 25921068fecaSMylène Josserand break; 2593ce85705aSHugues Fruchet case V4L2_CID_HFLIP: 2594ce85705aSHugues Fruchet ret = ov5640_set_ctrl_hflip(sensor, ctrl->val); 2595ce85705aSHugues Fruchet break; 2596ce85705aSHugues Fruchet case V4L2_CID_VFLIP: 2597ce85705aSHugues Fruchet ret = ov5640_set_ctrl_vflip(sensor, ctrl->val); 2598ce85705aSHugues Fruchet break; 259919a81c14SSteve Longerbeam default: 260019a81c14SSteve Longerbeam ret = -EINVAL; 260119a81c14SSteve Longerbeam break; 260219a81c14SSteve Longerbeam } 260319a81c14SSteve Longerbeam 260419a81c14SSteve Longerbeam return ret; 260519a81c14SSteve Longerbeam } 260619a81c14SSteve Longerbeam 260719a81c14SSteve Longerbeam static const struct v4l2_ctrl_ops ov5640_ctrl_ops = { 260819a81c14SSteve Longerbeam .g_volatile_ctrl = ov5640_g_volatile_ctrl, 260919a81c14SSteve Longerbeam .s_ctrl = ov5640_s_ctrl, 261019a81c14SSteve Longerbeam }; 261119a81c14SSteve Longerbeam 261219a81c14SSteve Longerbeam static int ov5640_init_controls(struct ov5640_dev *sensor) 261319a81c14SSteve Longerbeam { 261419a81c14SSteve Longerbeam const struct v4l2_ctrl_ops *ops = &ov5640_ctrl_ops; 261519a81c14SSteve Longerbeam struct ov5640_ctrls *ctrls = &sensor->ctrls; 261619a81c14SSteve Longerbeam struct v4l2_ctrl_handler *hdl = &ctrls->handler; 261719a81c14SSteve Longerbeam int ret; 261819a81c14SSteve Longerbeam 261919a81c14SSteve Longerbeam v4l2_ctrl_handler_init(hdl, 32); 262019a81c14SSteve Longerbeam 262119a81c14SSteve Longerbeam /* we can use our own mutex for the ctrl lock */ 262219a81c14SSteve Longerbeam hdl->lock = &sensor->lock; 262319a81c14SSteve Longerbeam 262419a81c14SSteve Longerbeam /* Auto/manual white balance */ 262519a81c14SSteve Longerbeam ctrls->auto_wb = v4l2_ctrl_new_std(hdl, ops, 262619a81c14SSteve Longerbeam V4L2_CID_AUTO_WHITE_BALANCE, 262719a81c14SSteve Longerbeam 0, 1, 1, 1); 262819a81c14SSteve Longerbeam ctrls->blue_balance = v4l2_ctrl_new_std(hdl, ops, V4L2_CID_BLUE_BALANCE, 262919a81c14SSteve Longerbeam 0, 4095, 1, 0); 263019a81c14SSteve Longerbeam ctrls->red_balance = v4l2_ctrl_new_std(hdl, ops, V4L2_CID_RED_BALANCE, 263119a81c14SSteve Longerbeam 0, 4095, 1, 0); 263219a81c14SSteve Longerbeam /* Auto/manual exposure */ 263319a81c14SSteve Longerbeam ctrls->auto_exp = v4l2_ctrl_new_std_menu(hdl, ops, 263419a81c14SSteve Longerbeam V4L2_CID_EXPOSURE_AUTO, 263519a81c14SSteve Longerbeam V4L2_EXPOSURE_MANUAL, 0, 263619a81c14SSteve Longerbeam V4L2_EXPOSURE_AUTO); 263719a81c14SSteve Longerbeam ctrls->exposure = v4l2_ctrl_new_std(hdl, ops, V4L2_CID_EXPOSURE, 263819a81c14SSteve Longerbeam 0, 65535, 1, 0); 263919a81c14SSteve Longerbeam /* Auto/manual gain */ 264019a81c14SSteve Longerbeam ctrls->auto_gain = v4l2_ctrl_new_std(hdl, ops, V4L2_CID_AUTOGAIN, 264119a81c14SSteve Longerbeam 0, 1, 1, 1); 264219a81c14SSteve Longerbeam ctrls->gain = v4l2_ctrl_new_std(hdl, ops, V4L2_CID_GAIN, 264319a81c14SSteve Longerbeam 0, 1023, 1, 0); 264419a81c14SSteve Longerbeam 264519a81c14SSteve Longerbeam ctrls->saturation = v4l2_ctrl_new_std(hdl, ops, V4L2_CID_SATURATION, 264619a81c14SSteve Longerbeam 0, 255, 1, 64); 264719a81c14SSteve Longerbeam ctrls->hue = v4l2_ctrl_new_std(hdl, ops, V4L2_CID_HUE, 264819a81c14SSteve Longerbeam 0, 359, 1, 0); 264919a81c14SSteve Longerbeam ctrls->contrast = v4l2_ctrl_new_std(hdl, ops, V4L2_CID_CONTRAST, 265019a81c14SSteve Longerbeam 0, 255, 1, 0); 265119a81c14SSteve Longerbeam ctrls->test_pattern = 265219a81c14SSteve Longerbeam v4l2_ctrl_new_std_menu_items(hdl, ops, V4L2_CID_TEST_PATTERN, 265319a81c14SSteve Longerbeam ARRAY_SIZE(test_pattern_menu) - 1, 265419a81c14SSteve Longerbeam 0, 0, test_pattern_menu); 2655ce85705aSHugues Fruchet ctrls->hflip = v4l2_ctrl_new_std(hdl, ops, V4L2_CID_HFLIP, 2656ce85705aSHugues Fruchet 0, 1, 1, 0); 2657ce85705aSHugues Fruchet ctrls->vflip = v4l2_ctrl_new_std(hdl, ops, V4L2_CID_VFLIP, 2658ce85705aSHugues Fruchet 0, 1, 1, 0); 265919a81c14SSteve Longerbeam 26601068fecaSMylène Josserand ctrls->light_freq = 26611068fecaSMylène Josserand v4l2_ctrl_new_std_menu(hdl, ops, 26621068fecaSMylène Josserand V4L2_CID_POWER_LINE_FREQUENCY, 26631068fecaSMylène Josserand V4L2_CID_POWER_LINE_FREQUENCY_AUTO, 0, 26641068fecaSMylène Josserand V4L2_CID_POWER_LINE_FREQUENCY_50HZ); 26651068fecaSMylène Josserand 266619a81c14SSteve Longerbeam if (hdl->error) { 266719a81c14SSteve Longerbeam ret = hdl->error; 266819a81c14SSteve Longerbeam goto free_ctrls; 266919a81c14SSteve Longerbeam } 267019a81c14SSteve Longerbeam 267119a81c14SSteve Longerbeam ctrls->gain->flags |= V4L2_CTRL_FLAG_VOLATILE; 267219a81c14SSteve Longerbeam ctrls->exposure->flags |= V4L2_CTRL_FLAG_VOLATILE; 267319a81c14SSteve Longerbeam 267419a81c14SSteve Longerbeam v4l2_ctrl_auto_cluster(3, &ctrls->auto_wb, 0, false); 267519a81c14SSteve Longerbeam v4l2_ctrl_auto_cluster(2, &ctrls->auto_gain, 0, true); 267619a81c14SSteve Longerbeam v4l2_ctrl_auto_cluster(2, &ctrls->auto_exp, 1, true); 267719a81c14SSteve Longerbeam 267819a81c14SSteve Longerbeam sensor->sd.ctrl_handler = hdl; 267919a81c14SSteve Longerbeam return 0; 268019a81c14SSteve Longerbeam 268119a81c14SSteve Longerbeam free_ctrls: 268219a81c14SSteve Longerbeam v4l2_ctrl_handler_free(hdl); 268319a81c14SSteve Longerbeam return ret; 268419a81c14SSteve Longerbeam } 268519a81c14SSteve Longerbeam 268619a81c14SSteve Longerbeam static int ov5640_enum_frame_size(struct v4l2_subdev *sd, 268719a81c14SSteve Longerbeam struct v4l2_subdev_pad_config *cfg, 268819a81c14SSteve Longerbeam struct v4l2_subdev_frame_size_enum *fse) 268919a81c14SSteve Longerbeam { 269019a81c14SSteve Longerbeam if (fse->pad != 0) 269119a81c14SSteve Longerbeam return -EINVAL; 269219a81c14SSteve Longerbeam if (fse->index >= OV5640_NUM_MODES) 269319a81c14SSteve Longerbeam return -EINVAL; 269419a81c14SSteve Longerbeam 269541d8d7f5SHugues Fruchet fse->min_width = 2696086c25f8SMaxime Ripard ov5640_mode_data[fse->index].hact; 269741d8d7f5SHugues Fruchet fse->max_width = fse->min_width; 269841d8d7f5SHugues Fruchet fse->min_height = 2699086c25f8SMaxime Ripard ov5640_mode_data[fse->index].vact; 270041d8d7f5SHugues Fruchet fse->max_height = fse->min_height; 270119a81c14SSteve Longerbeam 270219a81c14SSteve Longerbeam return 0; 270319a81c14SSteve Longerbeam } 270419a81c14SSteve Longerbeam 270519a81c14SSteve Longerbeam static int ov5640_enum_frame_interval( 270619a81c14SSteve Longerbeam struct v4l2_subdev *sd, 270719a81c14SSteve Longerbeam struct v4l2_subdev_pad_config *cfg, 270819a81c14SSteve Longerbeam struct v4l2_subdev_frame_interval_enum *fie) 270919a81c14SSteve Longerbeam { 271019a81c14SSteve Longerbeam struct ov5640_dev *sensor = to_ov5640_dev(sd); 271119a81c14SSteve Longerbeam struct v4l2_fract tpf; 271219a81c14SSteve Longerbeam int ret; 271319a81c14SSteve Longerbeam 271419a81c14SSteve Longerbeam if (fie->pad != 0) 271519a81c14SSteve Longerbeam return -EINVAL; 271619a81c14SSteve Longerbeam if (fie->index >= OV5640_NUM_FRAMERATES) 271719a81c14SSteve Longerbeam return -EINVAL; 271819a81c14SSteve Longerbeam 271919a81c14SSteve Longerbeam tpf.numerator = 1; 272019a81c14SSteve Longerbeam tpf.denominator = ov5640_framerates[fie->index]; 272119a81c14SSteve Longerbeam 272219a81c14SSteve Longerbeam ret = ov5640_try_frame_interval(sensor, &tpf, 272319a81c14SSteve Longerbeam fie->width, fie->height); 272419a81c14SSteve Longerbeam if (ret < 0) 272519a81c14SSteve Longerbeam return -EINVAL; 272619a81c14SSteve Longerbeam 272719a81c14SSteve Longerbeam fie->interval = tpf; 272819a81c14SSteve Longerbeam return 0; 272919a81c14SSteve Longerbeam } 273019a81c14SSteve Longerbeam 273119a81c14SSteve Longerbeam static int ov5640_g_frame_interval(struct v4l2_subdev *sd, 273219a81c14SSteve Longerbeam struct v4l2_subdev_frame_interval *fi) 273319a81c14SSteve Longerbeam { 273419a81c14SSteve Longerbeam struct ov5640_dev *sensor = to_ov5640_dev(sd); 273519a81c14SSteve Longerbeam 273619a81c14SSteve Longerbeam mutex_lock(&sensor->lock); 273719a81c14SSteve Longerbeam fi->interval = sensor->frame_interval; 273819a81c14SSteve Longerbeam mutex_unlock(&sensor->lock); 273919a81c14SSteve Longerbeam 274019a81c14SSteve Longerbeam return 0; 274119a81c14SSteve Longerbeam } 274219a81c14SSteve Longerbeam 274319a81c14SSteve Longerbeam static int ov5640_s_frame_interval(struct v4l2_subdev *sd, 274419a81c14SSteve Longerbeam struct v4l2_subdev_frame_interval *fi) 274519a81c14SSteve Longerbeam { 274619a81c14SSteve Longerbeam struct ov5640_dev *sensor = to_ov5640_dev(sd); 274719a81c14SSteve Longerbeam const struct ov5640_mode_info *mode; 274819a81c14SSteve Longerbeam int frame_rate, ret = 0; 274919a81c14SSteve Longerbeam 275019a81c14SSteve Longerbeam if (fi->pad != 0) 275119a81c14SSteve Longerbeam return -EINVAL; 275219a81c14SSteve Longerbeam 275319a81c14SSteve Longerbeam mutex_lock(&sensor->lock); 275419a81c14SSteve Longerbeam 275519a81c14SSteve Longerbeam if (sensor->streaming) { 275619a81c14SSteve Longerbeam ret = -EBUSY; 275719a81c14SSteve Longerbeam goto out; 275819a81c14SSteve Longerbeam } 275919a81c14SSteve Longerbeam 276019a81c14SSteve Longerbeam mode = sensor->current_mode; 276119a81c14SSteve Longerbeam 276219a81c14SSteve Longerbeam frame_rate = ov5640_try_frame_interval(sensor, &fi->interval, 2763dba13a0bSMaxime Ripard mode->hact, mode->vact); 2764e823fb16SMaxime Ripard if (frame_rate < 0) { 2765e823fb16SMaxime Ripard /* Always return a valid frame interval value */ 2766e823fb16SMaxime Ripard fi->interval = sensor->frame_interval; 2767e823fb16SMaxime Ripard goto out; 2768e823fb16SMaxime Ripard } 276919a81c14SSteve Longerbeam 27703c4a7372SHugues Fruchet mode = ov5640_find_mode(sensor, frame_rate, mode->hact, 2771dba13a0bSMaxime Ripard mode->vact, true); 27723c4a7372SHugues Fruchet if (!mode) { 27733c4a7372SHugues Fruchet ret = -EINVAL; 27743c4a7372SHugues Fruchet goto out; 27753c4a7372SHugues Fruchet } 27763c4a7372SHugues Fruchet 27770929983eSHugues Fruchet if (mode != sensor->current_mode || 27780929983eSHugues Fruchet frame_rate != sensor->current_fr) { 27790929983eSHugues Fruchet sensor->current_fr = frame_rate; 27800929983eSHugues Fruchet sensor->frame_interval = fi->interval; 27813c4a7372SHugues Fruchet sensor->current_mode = mode; 278219a81c14SSteve Longerbeam sensor->pending_mode_change = true; 27836949d864SHugues Fruchet } 278419a81c14SSteve Longerbeam out: 278519a81c14SSteve Longerbeam mutex_unlock(&sensor->lock); 278619a81c14SSteve Longerbeam return ret; 278719a81c14SSteve Longerbeam } 278819a81c14SSteve Longerbeam 278919a81c14SSteve Longerbeam static int ov5640_enum_mbus_code(struct v4l2_subdev *sd, 279019a81c14SSteve Longerbeam struct v4l2_subdev_pad_config *cfg, 279119a81c14SSteve Longerbeam struct v4l2_subdev_mbus_code_enum *code) 279219a81c14SSteve Longerbeam { 279319a81c14SSteve Longerbeam if (code->pad != 0) 279419a81c14SSteve Longerbeam return -EINVAL; 2795e3ee691dSHugues Fruchet if (code->index >= ARRAY_SIZE(ov5640_formats)) 279619a81c14SSteve Longerbeam return -EINVAL; 279719a81c14SSteve Longerbeam 2798e3ee691dSHugues Fruchet code->code = ov5640_formats[code->index].code; 279919a81c14SSteve Longerbeam return 0; 280019a81c14SSteve Longerbeam } 280119a81c14SSteve Longerbeam 280219a81c14SSteve Longerbeam static int ov5640_s_stream(struct v4l2_subdev *sd, int enable) 280319a81c14SSteve Longerbeam { 280419a81c14SSteve Longerbeam struct ov5640_dev *sensor = to_ov5640_dev(sd); 280519a81c14SSteve Longerbeam int ret = 0; 280619a81c14SSteve Longerbeam 280719a81c14SSteve Longerbeam mutex_lock(&sensor->lock); 280819a81c14SSteve Longerbeam 280919a81c14SSteve Longerbeam if (sensor->streaming == !enable) { 281019a81c14SSteve Longerbeam if (enable && sensor->pending_mode_change) { 2811985cdcb0SHugues Fruchet ret = ov5640_set_mode(sensor); 281219a81c14SSteve Longerbeam if (ret) 281319a81c14SSteve Longerbeam goto out; 2814fb98e29fSHugues Fruchet } 2815e3ee691dSHugues Fruchet 2816fb98e29fSHugues Fruchet if (enable && sensor->pending_fmt_change) { 2817e3ee691dSHugues Fruchet ret = ov5640_set_framefmt(sensor, &sensor->fmt); 2818e3ee691dSHugues Fruchet if (ret) 2819e3ee691dSHugues Fruchet goto out; 2820fb98e29fSHugues Fruchet sensor->pending_fmt_change = false; 282119a81c14SSteve Longerbeam } 282219a81c14SSteve Longerbeam 28232d95e7edSSakari Ailus if (sensor->ep.bus_type == V4L2_MBUS_CSI2_DPHY) 2824f22996dbSHugues Fruchet ret = ov5640_set_stream_mipi(sensor, enable); 2825f22996dbSHugues Fruchet else 2826f22996dbSHugues Fruchet ret = ov5640_set_stream_dvp(sensor, enable); 2827f22996dbSHugues Fruchet 282819a81c14SSteve Longerbeam if (!ret) 282919a81c14SSteve Longerbeam sensor->streaming = enable; 283019a81c14SSteve Longerbeam } 283119a81c14SSteve Longerbeam out: 283219a81c14SSteve Longerbeam mutex_unlock(&sensor->lock); 283319a81c14SSteve Longerbeam return ret; 283419a81c14SSteve Longerbeam } 283519a81c14SSteve Longerbeam 283619a81c14SSteve Longerbeam static const struct v4l2_subdev_core_ops ov5640_core_ops = { 283719a81c14SSteve Longerbeam .s_power = ov5640_s_power, 28382d18fbc5SAkinobu Mita .log_status = v4l2_ctrl_subdev_log_status, 28392d18fbc5SAkinobu Mita .subscribe_event = v4l2_ctrl_subdev_subscribe_event, 28402d18fbc5SAkinobu Mita .unsubscribe_event = v4l2_event_subdev_unsubscribe, 284119a81c14SSteve Longerbeam }; 284219a81c14SSteve Longerbeam 284319a81c14SSteve Longerbeam static const struct v4l2_subdev_video_ops ov5640_video_ops = { 284419a81c14SSteve Longerbeam .g_frame_interval = ov5640_g_frame_interval, 284519a81c14SSteve Longerbeam .s_frame_interval = ov5640_s_frame_interval, 284619a81c14SSteve Longerbeam .s_stream = ov5640_s_stream, 284719a81c14SSteve Longerbeam }; 284819a81c14SSteve Longerbeam 284919a81c14SSteve Longerbeam static const struct v4l2_subdev_pad_ops ov5640_pad_ops = { 285019a81c14SSteve Longerbeam .enum_mbus_code = ov5640_enum_mbus_code, 285119a81c14SSteve Longerbeam .get_fmt = ov5640_get_fmt, 285219a81c14SSteve Longerbeam .set_fmt = ov5640_set_fmt, 285319a81c14SSteve Longerbeam .enum_frame_size = ov5640_enum_frame_size, 285419a81c14SSteve Longerbeam .enum_frame_interval = ov5640_enum_frame_interval, 285519a81c14SSteve Longerbeam }; 285619a81c14SSteve Longerbeam 285719a81c14SSteve Longerbeam static const struct v4l2_subdev_ops ov5640_subdev_ops = { 285819a81c14SSteve Longerbeam .core = &ov5640_core_ops, 285919a81c14SSteve Longerbeam .video = &ov5640_video_ops, 286019a81c14SSteve Longerbeam .pad = &ov5640_pad_ops, 286119a81c14SSteve Longerbeam }; 286219a81c14SSteve Longerbeam 286319a81c14SSteve Longerbeam static int ov5640_get_regulators(struct ov5640_dev *sensor) 286419a81c14SSteve Longerbeam { 286519a81c14SSteve Longerbeam int i; 286619a81c14SSteve Longerbeam 286719a81c14SSteve Longerbeam for (i = 0; i < OV5640_NUM_SUPPLIES; i++) 286819a81c14SSteve Longerbeam sensor->supplies[i].supply = ov5640_supply_name[i]; 286919a81c14SSteve Longerbeam 287019a81c14SSteve Longerbeam return devm_regulator_bulk_get(&sensor->i2c_client->dev, 287119a81c14SSteve Longerbeam OV5640_NUM_SUPPLIES, 287219a81c14SSteve Longerbeam sensor->supplies); 287319a81c14SSteve Longerbeam } 287419a81c14SSteve Longerbeam 28750f7acb52SHugues Fruchet static int ov5640_check_chip_id(struct ov5640_dev *sensor) 28760f7acb52SHugues Fruchet { 28770f7acb52SHugues Fruchet struct i2c_client *client = sensor->i2c_client; 28780f7acb52SHugues Fruchet int ret = 0; 28790f7acb52SHugues Fruchet u16 chip_id; 28800f7acb52SHugues Fruchet 28810f7acb52SHugues Fruchet ret = ov5640_set_power_on(sensor); 28820f7acb52SHugues Fruchet if (ret) 28830f7acb52SHugues Fruchet return ret; 28840f7acb52SHugues Fruchet 28850f7acb52SHugues Fruchet ret = ov5640_read_reg16(sensor, OV5640_REG_CHIP_ID, &chip_id); 28860f7acb52SHugues Fruchet if (ret) { 28870f7acb52SHugues Fruchet dev_err(&client->dev, "%s: failed to read chip identifier\n", 28880f7acb52SHugues Fruchet __func__); 28890f7acb52SHugues Fruchet goto power_off; 28900f7acb52SHugues Fruchet } 28910f7acb52SHugues Fruchet 28920f7acb52SHugues Fruchet if (chip_id != 0x5640) { 28930f7acb52SHugues Fruchet dev_err(&client->dev, "%s: wrong chip identifier, expected 0x5640, got 0x%x\n", 28940f7acb52SHugues Fruchet __func__, chip_id); 28950f7acb52SHugues Fruchet ret = -ENXIO; 28960f7acb52SHugues Fruchet } 28970f7acb52SHugues Fruchet 28980f7acb52SHugues Fruchet power_off: 28990f7acb52SHugues Fruchet ov5640_set_power_off(sensor); 29000f7acb52SHugues Fruchet return ret; 29010f7acb52SHugues Fruchet } 29020f7acb52SHugues Fruchet 290319a81c14SSteve Longerbeam static int ov5640_probe(struct i2c_client *client, 290419a81c14SSteve Longerbeam const struct i2c_device_id *id) 290519a81c14SSteve Longerbeam { 290619a81c14SSteve Longerbeam struct device *dev = &client->dev; 290719a81c14SSteve Longerbeam struct fwnode_handle *endpoint; 290819a81c14SSteve Longerbeam struct ov5640_dev *sensor; 2909e6441fdeSHugues Fruchet struct v4l2_mbus_framefmt *fmt; 2910c3f3ba3eSHugues Fruchet u32 rotation; 291119a81c14SSteve Longerbeam int ret; 291219a81c14SSteve Longerbeam 291319a81c14SSteve Longerbeam sensor = devm_kzalloc(dev, sizeof(*sensor), GFP_KERNEL); 291419a81c14SSteve Longerbeam if (!sensor) 291519a81c14SSteve Longerbeam return -ENOMEM; 291619a81c14SSteve Longerbeam 291719a81c14SSteve Longerbeam sensor->i2c_client = client; 2918fb98e29fSHugues Fruchet 2919fb98e29fSHugues Fruchet /* 2920fb98e29fSHugues Fruchet * default init sequence initialize sensor to 2921fb98e29fSHugues Fruchet * YUV422 UYVY VGA@30fps 2922fb98e29fSHugues Fruchet */ 2923e6441fdeSHugues Fruchet fmt = &sensor->fmt; 2924fb98e29fSHugues Fruchet fmt->code = MEDIA_BUS_FMT_UYVY8_2X8; 2925fb98e29fSHugues Fruchet fmt->colorspace = V4L2_COLORSPACE_SRGB; 2926e6441fdeSHugues Fruchet fmt->ycbcr_enc = V4L2_MAP_YCBCR_ENC_DEFAULT(fmt->colorspace); 2927e6441fdeSHugues Fruchet fmt->quantization = V4L2_QUANTIZATION_FULL_RANGE; 2928e6441fdeSHugues Fruchet fmt->xfer_func = V4L2_MAP_XFER_FUNC_DEFAULT(fmt->colorspace); 2929e6441fdeSHugues Fruchet fmt->width = 640; 2930e6441fdeSHugues Fruchet fmt->height = 480; 2931e6441fdeSHugues Fruchet fmt->field = V4L2_FIELD_NONE; 293219a81c14SSteve Longerbeam sensor->frame_interval.numerator = 1; 293319a81c14SSteve Longerbeam sensor->frame_interval.denominator = ov5640_framerates[OV5640_30_FPS]; 293419a81c14SSteve Longerbeam sensor->current_fr = OV5640_30_FPS; 293519a81c14SSteve Longerbeam sensor->current_mode = 2936086c25f8SMaxime Ripard &ov5640_mode_data[OV5640_MODE_VGA_640_480]; 2937985cdcb0SHugues Fruchet sensor->last_mode = sensor->current_mode; 293819a81c14SSteve Longerbeam 293919a81c14SSteve Longerbeam sensor->ae_target = 52; 294019a81c14SSteve Longerbeam 2941c3f3ba3eSHugues Fruchet /* optional indication of physical rotation of sensor */ 2942c3f3ba3eSHugues Fruchet ret = fwnode_property_read_u32(dev_fwnode(&client->dev), "rotation", 2943c3f3ba3eSHugues Fruchet &rotation); 2944c3f3ba3eSHugues Fruchet if (!ret) { 2945c3f3ba3eSHugues Fruchet switch (rotation) { 2946c3f3ba3eSHugues Fruchet case 180: 2947c3f3ba3eSHugues Fruchet sensor->upside_down = true; 2948c3f3ba3eSHugues Fruchet /* fall through */ 2949c3f3ba3eSHugues Fruchet case 0: 2950c3f3ba3eSHugues Fruchet break; 2951c3f3ba3eSHugues Fruchet default: 2952c3f3ba3eSHugues Fruchet dev_warn(dev, "%u degrees rotation is not supported, ignoring...\n", 2953c3f3ba3eSHugues Fruchet rotation); 2954c3f3ba3eSHugues Fruchet } 2955c3f3ba3eSHugues Fruchet } 2956c3f3ba3eSHugues Fruchet 2957ce96bcf5SSakari Ailus endpoint = fwnode_graph_get_next_endpoint(dev_fwnode(&client->dev), 2958ce96bcf5SSakari Ailus NULL); 295919a81c14SSteve Longerbeam if (!endpoint) { 296019a81c14SSteve Longerbeam dev_err(dev, "endpoint node not found\n"); 296119a81c14SSteve Longerbeam return -EINVAL; 296219a81c14SSteve Longerbeam } 296319a81c14SSteve Longerbeam 296419a81c14SSteve Longerbeam ret = v4l2_fwnode_endpoint_parse(endpoint, &sensor->ep); 296519a81c14SSteve Longerbeam fwnode_handle_put(endpoint); 296619a81c14SSteve Longerbeam if (ret) { 296719a81c14SSteve Longerbeam dev_err(dev, "Could not parse endpoint\n"); 296819a81c14SSteve Longerbeam return ret; 296919a81c14SSteve Longerbeam } 297019a81c14SSteve Longerbeam 297119a81c14SSteve Longerbeam /* get system clock (xclk) */ 297219a81c14SSteve Longerbeam sensor->xclk = devm_clk_get(dev, "xclk"); 297319a81c14SSteve Longerbeam if (IS_ERR(sensor->xclk)) { 297419a81c14SSteve Longerbeam dev_err(dev, "failed to get xclk\n"); 297519a81c14SSteve Longerbeam return PTR_ERR(sensor->xclk); 297619a81c14SSteve Longerbeam } 297719a81c14SSteve Longerbeam 297819a81c14SSteve Longerbeam sensor->xclk_freq = clk_get_rate(sensor->xclk); 297919a81c14SSteve Longerbeam if (sensor->xclk_freq < OV5640_XCLK_MIN || 298019a81c14SSteve Longerbeam sensor->xclk_freq > OV5640_XCLK_MAX) { 298119a81c14SSteve Longerbeam dev_err(dev, "xclk frequency out of range: %d Hz\n", 298219a81c14SSteve Longerbeam sensor->xclk_freq); 298319a81c14SSteve Longerbeam return -EINVAL; 298419a81c14SSteve Longerbeam } 298519a81c14SSteve Longerbeam 298619a81c14SSteve Longerbeam /* request optional power down pin */ 298719a81c14SSteve Longerbeam sensor->pwdn_gpio = devm_gpiod_get_optional(dev, "powerdown", 298819a81c14SSteve Longerbeam GPIOD_OUT_HIGH); 298919a81c14SSteve Longerbeam /* request optional reset pin */ 299019a81c14SSteve Longerbeam sensor->reset_gpio = devm_gpiod_get_optional(dev, "reset", 299119a81c14SSteve Longerbeam GPIOD_OUT_HIGH); 299219a81c14SSteve Longerbeam 299319a81c14SSteve Longerbeam v4l2_i2c_subdev_init(&sensor->sd, client, &ov5640_subdev_ops); 299419a81c14SSteve Longerbeam 29952d18fbc5SAkinobu Mita sensor->sd.flags |= V4L2_SUBDEV_FL_HAS_DEVNODE | 29962d18fbc5SAkinobu Mita V4L2_SUBDEV_FL_HAS_EVENTS; 299719a81c14SSteve Longerbeam sensor->pad.flags = MEDIA_PAD_FL_SOURCE; 299819a81c14SSteve Longerbeam sensor->sd.entity.function = MEDIA_ENT_F_CAM_SENSOR; 299919a81c14SSteve Longerbeam ret = media_entity_pads_init(&sensor->sd.entity, 1, &sensor->pad); 300019a81c14SSteve Longerbeam if (ret) 300119a81c14SSteve Longerbeam return ret; 300219a81c14SSteve Longerbeam 300319a81c14SSteve Longerbeam ret = ov5640_get_regulators(sensor); 300419a81c14SSteve Longerbeam if (ret) 300519a81c14SSteve Longerbeam return ret; 300619a81c14SSteve Longerbeam 300719a81c14SSteve Longerbeam mutex_init(&sensor->lock); 300819a81c14SSteve Longerbeam 30090f7acb52SHugues Fruchet ret = ov5640_check_chip_id(sensor); 30100f7acb52SHugues Fruchet if (ret) 30110f7acb52SHugues Fruchet goto entity_cleanup; 30120f7acb52SHugues Fruchet 301319a81c14SSteve Longerbeam ret = ov5640_init_controls(sensor); 301419a81c14SSteve Longerbeam if (ret) 301519a81c14SSteve Longerbeam goto entity_cleanup; 301619a81c14SSteve Longerbeam 301719a81c14SSteve Longerbeam ret = v4l2_async_register_subdev(&sensor->sd); 301819a81c14SSteve Longerbeam if (ret) 301919a81c14SSteve Longerbeam goto free_ctrls; 302019a81c14SSteve Longerbeam 302119a81c14SSteve Longerbeam return 0; 302219a81c14SSteve Longerbeam 302319a81c14SSteve Longerbeam free_ctrls: 302419a81c14SSteve Longerbeam v4l2_ctrl_handler_free(&sensor->ctrls.handler); 302519a81c14SSteve Longerbeam entity_cleanup: 302619a81c14SSteve Longerbeam mutex_destroy(&sensor->lock); 302719a81c14SSteve Longerbeam media_entity_cleanup(&sensor->sd.entity); 302819a81c14SSteve Longerbeam return ret; 302919a81c14SSteve Longerbeam } 303019a81c14SSteve Longerbeam 303119a81c14SSteve Longerbeam static int ov5640_remove(struct i2c_client *client) 303219a81c14SSteve Longerbeam { 303319a81c14SSteve Longerbeam struct v4l2_subdev *sd = i2c_get_clientdata(client); 303419a81c14SSteve Longerbeam struct ov5640_dev *sensor = to_ov5640_dev(sd); 303519a81c14SSteve Longerbeam 303619a81c14SSteve Longerbeam v4l2_async_unregister_subdev(&sensor->sd); 303719a81c14SSteve Longerbeam mutex_destroy(&sensor->lock); 303819a81c14SSteve Longerbeam media_entity_cleanup(&sensor->sd.entity); 303919a81c14SSteve Longerbeam v4l2_ctrl_handler_free(&sensor->ctrls.handler); 304019a81c14SSteve Longerbeam 304119a81c14SSteve Longerbeam return 0; 304219a81c14SSteve Longerbeam } 304319a81c14SSteve Longerbeam 304419a81c14SSteve Longerbeam static const struct i2c_device_id ov5640_id[] = { 304519a81c14SSteve Longerbeam {"ov5640", 0}, 304619a81c14SSteve Longerbeam {}, 304719a81c14SSteve Longerbeam }; 304819a81c14SSteve Longerbeam MODULE_DEVICE_TABLE(i2c, ov5640_id); 304919a81c14SSteve Longerbeam 305019a81c14SSteve Longerbeam static const struct of_device_id ov5640_dt_ids[] = { 305119a81c14SSteve Longerbeam { .compatible = "ovti,ov5640" }, 305219a81c14SSteve Longerbeam { /* sentinel */ } 305319a81c14SSteve Longerbeam }; 305419a81c14SSteve Longerbeam MODULE_DEVICE_TABLE(of, ov5640_dt_ids); 305519a81c14SSteve Longerbeam 305619a81c14SSteve Longerbeam static struct i2c_driver ov5640_i2c_driver = { 305719a81c14SSteve Longerbeam .driver = { 305819a81c14SSteve Longerbeam .name = "ov5640", 305919a81c14SSteve Longerbeam .of_match_table = ov5640_dt_ids, 306019a81c14SSteve Longerbeam }, 306119a81c14SSteve Longerbeam .id_table = ov5640_id, 306219a81c14SSteve Longerbeam .probe = ov5640_probe, 306319a81c14SSteve Longerbeam .remove = ov5640_remove, 306419a81c14SSteve Longerbeam }; 306519a81c14SSteve Longerbeam 306619a81c14SSteve Longerbeam module_i2c_driver(ov5640_i2c_driver); 306719a81c14SSteve Longerbeam 306819a81c14SSteve Longerbeam MODULE_DESCRIPTION("OV5640 MIPI Camera Subdev Driver"); 306919a81c14SSteve Longerbeam MODULE_LICENSE("GPL"); 3070