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, 11419a81c14SSteve Longerbeam OV5640_NUM_FRAMERATES, 11519a81c14SSteve Longerbeam }; 11619a81c14SSteve Longerbeam 117e3ee691dSHugues Fruchet struct ov5640_pixfmt { 118e3ee691dSHugues Fruchet u32 code; 119e3ee691dSHugues Fruchet u32 colorspace; 120e3ee691dSHugues Fruchet }; 121e3ee691dSHugues Fruchet 122e3ee691dSHugues Fruchet static const struct ov5640_pixfmt ov5640_formats[] = { 123d47c4126SHugues Fruchet { MEDIA_BUS_FMT_JPEG_1X8, V4L2_COLORSPACE_JPEG, }, 124e3ee691dSHugues Fruchet { MEDIA_BUS_FMT_UYVY8_2X8, V4L2_COLORSPACE_SRGB, }, 125e3ee691dSHugues Fruchet { MEDIA_BUS_FMT_YUYV8_2X8, V4L2_COLORSPACE_SRGB, }, 126e3ee691dSHugues Fruchet { MEDIA_BUS_FMT_RGB565_2X8_LE, V4L2_COLORSPACE_SRGB, }, 127e3ee691dSHugues Fruchet { MEDIA_BUS_FMT_RGB565_2X8_BE, V4L2_COLORSPACE_SRGB, }, 128e3ee691dSHugues Fruchet }; 129e3ee691dSHugues Fruchet 13019a81c14SSteve Longerbeam /* 13119a81c14SSteve Longerbeam * FIXME: remove this when a subdev API becomes available 13219a81c14SSteve Longerbeam * to set the MIPI CSI-2 virtual channel. 13319a81c14SSteve Longerbeam */ 13419a81c14SSteve Longerbeam static unsigned int virtual_channel; 1358670d70aSHugues Fruchet module_param(virtual_channel, uint, 0444); 13619a81c14SSteve Longerbeam MODULE_PARM_DESC(virtual_channel, 13719a81c14SSteve Longerbeam "MIPI CSI-2 virtual channel (0..3), default 0"); 13819a81c14SSteve Longerbeam 13919a81c14SSteve Longerbeam static const int ov5640_framerates[] = { 14019a81c14SSteve Longerbeam [OV5640_15_FPS] = 15, 14119a81c14SSteve Longerbeam [OV5640_30_FPS] = 30, 14219a81c14SSteve Longerbeam }; 14319a81c14SSteve Longerbeam 14419a81c14SSteve Longerbeam /* regulator supplies */ 14519a81c14SSteve Longerbeam static const char * const ov5640_supply_name[] = { 14641d8d7f5SHugues Fruchet "DOVDD", /* Digital I/O (1.8V) supply */ 14719a81c14SSteve Longerbeam "DVDD", /* Digital Core (1.5V) supply */ 14819a81c14SSteve Longerbeam "AVDD", /* Analog (2.8V) supply */ 14919a81c14SSteve Longerbeam }; 15019a81c14SSteve Longerbeam 15119a81c14SSteve Longerbeam #define OV5640_NUM_SUPPLIES ARRAY_SIZE(ov5640_supply_name) 15219a81c14SSteve Longerbeam 15319a81c14SSteve Longerbeam /* 15419a81c14SSteve Longerbeam * Image size under 1280 * 960 are SUBSAMPLING 15519a81c14SSteve Longerbeam * Image size upper 1280 * 960 are SCALING 15619a81c14SSteve Longerbeam */ 15719a81c14SSteve Longerbeam enum ov5640_downsize_mode { 15819a81c14SSteve Longerbeam SUBSAMPLING, 15919a81c14SSteve Longerbeam SCALING, 16019a81c14SSteve Longerbeam }; 16119a81c14SSteve Longerbeam 16219a81c14SSteve Longerbeam struct reg_value { 16319a81c14SSteve Longerbeam u16 reg_addr; 16419a81c14SSteve Longerbeam u8 val; 16519a81c14SSteve Longerbeam u8 mask; 16619a81c14SSteve Longerbeam u32 delay_ms; 16719a81c14SSteve Longerbeam }; 16819a81c14SSteve Longerbeam 16919a81c14SSteve Longerbeam struct ov5640_mode_info { 17019a81c14SSteve Longerbeam enum ov5640_mode_id id; 17119a81c14SSteve Longerbeam enum ov5640_downsize_mode dn_mode; 172dba13a0bSMaxime Ripard u32 hact; 173476dec01SMaxime Ripard u32 htot; 174dba13a0bSMaxime Ripard u32 vact; 175476dec01SMaxime Ripard u32 vtot; 17619a81c14SSteve Longerbeam const struct reg_value *reg_data; 17719a81c14SSteve Longerbeam u32 reg_data_size; 17819a81c14SSteve Longerbeam }; 17919a81c14SSteve Longerbeam 18019a81c14SSteve Longerbeam struct ov5640_ctrls { 18119a81c14SSteve Longerbeam struct v4l2_ctrl_handler handler; 18219a81c14SSteve Longerbeam struct { 18319a81c14SSteve Longerbeam struct v4l2_ctrl *auto_exp; 18419a81c14SSteve Longerbeam struct v4l2_ctrl *exposure; 18519a81c14SSteve Longerbeam }; 18619a81c14SSteve Longerbeam struct { 18719a81c14SSteve Longerbeam struct v4l2_ctrl *auto_wb; 18819a81c14SSteve Longerbeam struct v4l2_ctrl *blue_balance; 18919a81c14SSteve Longerbeam struct v4l2_ctrl *red_balance; 19019a81c14SSteve Longerbeam }; 19119a81c14SSteve Longerbeam struct { 19219a81c14SSteve Longerbeam struct v4l2_ctrl *auto_gain; 19319a81c14SSteve Longerbeam struct v4l2_ctrl *gain; 19419a81c14SSteve Longerbeam }; 19519a81c14SSteve Longerbeam struct v4l2_ctrl *brightness; 1961068fecaSMylène Josserand struct v4l2_ctrl *light_freq; 19719a81c14SSteve Longerbeam struct v4l2_ctrl *saturation; 19819a81c14SSteve Longerbeam struct v4l2_ctrl *contrast; 19919a81c14SSteve Longerbeam struct v4l2_ctrl *hue; 20019a81c14SSteve Longerbeam struct v4l2_ctrl *test_pattern; 201ce85705aSHugues Fruchet struct v4l2_ctrl *hflip; 202ce85705aSHugues Fruchet struct v4l2_ctrl *vflip; 20319a81c14SSteve Longerbeam }; 20419a81c14SSteve Longerbeam 20519a81c14SSteve Longerbeam struct ov5640_dev { 20619a81c14SSteve Longerbeam struct i2c_client *i2c_client; 20719a81c14SSteve Longerbeam struct v4l2_subdev sd; 20819a81c14SSteve Longerbeam struct media_pad pad; 20919a81c14SSteve Longerbeam struct v4l2_fwnode_endpoint ep; /* the parsed DT endpoint info */ 21019a81c14SSteve Longerbeam struct clk *xclk; /* system clock to OV5640 */ 21119a81c14SSteve Longerbeam u32 xclk_freq; 21219a81c14SSteve Longerbeam 21319a81c14SSteve Longerbeam struct regulator_bulk_data supplies[OV5640_NUM_SUPPLIES]; 21419a81c14SSteve Longerbeam struct gpio_desc *reset_gpio; 21519a81c14SSteve Longerbeam struct gpio_desc *pwdn_gpio; 216c3f3ba3eSHugues Fruchet bool upside_down; 21719a81c14SSteve Longerbeam 21819a81c14SSteve Longerbeam /* lock to protect all members below */ 21919a81c14SSteve Longerbeam struct mutex lock; 22019a81c14SSteve Longerbeam 22119a81c14SSteve Longerbeam int power_count; 22219a81c14SSteve Longerbeam 22319a81c14SSteve Longerbeam struct v4l2_mbus_framefmt fmt; 224fb98e29fSHugues Fruchet bool pending_fmt_change; 22519a81c14SSteve Longerbeam 22619a81c14SSteve Longerbeam const struct ov5640_mode_info *current_mode; 227985cdcb0SHugues Fruchet const struct ov5640_mode_info *last_mode; 22819a81c14SSteve Longerbeam enum ov5640_frame_rate current_fr; 22919a81c14SSteve Longerbeam struct v4l2_fract frame_interval; 23019a81c14SSteve Longerbeam 23119a81c14SSteve Longerbeam struct ov5640_ctrls ctrls; 23219a81c14SSteve Longerbeam 23319a81c14SSteve Longerbeam u32 prev_sysclk, prev_hts; 23419a81c14SSteve Longerbeam u32 ae_low, ae_high, ae_target; 23519a81c14SSteve Longerbeam 23619a81c14SSteve Longerbeam bool pending_mode_change; 23719a81c14SSteve Longerbeam bool streaming; 23819a81c14SSteve Longerbeam }; 23919a81c14SSteve Longerbeam 24019a81c14SSteve Longerbeam static inline struct ov5640_dev *to_ov5640_dev(struct v4l2_subdev *sd) 24119a81c14SSteve Longerbeam { 24219a81c14SSteve Longerbeam return container_of(sd, struct ov5640_dev, sd); 24319a81c14SSteve Longerbeam } 24419a81c14SSteve Longerbeam 24519a81c14SSteve Longerbeam static inline struct v4l2_subdev *ctrl_to_sd(struct v4l2_ctrl *ctrl) 24619a81c14SSteve Longerbeam { 24719a81c14SSteve Longerbeam return &container_of(ctrl->handler, struct ov5640_dev, 24819a81c14SSteve Longerbeam ctrls.handler)->sd; 24919a81c14SSteve Longerbeam } 25019a81c14SSteve Longerbeam 25119a81c14SSteve Longerbeam /* 25219a81c14SSteve Longerbeam * FIXME: all of these register tables are likely filled with 25319a81c14SSteve Longerbeam * entries that set the register to their power-on default values, 25419a81c14SSteve Longerbeam * and which are otherwise not touched by this driver. Those entries 25519a81c14SSteve Longerbeam * should be identified and removed to speed register load time 25619a81c14SSteve Longerbeam * over i2c. 25719a81c14SSteve Longerbeam */ 258fb98e29fSHugues Fruchet /* YUV422 UYVY VGA@30fps */ 25919a81c14SSteve Longerbeam static const struct reg_value ov5640_init_setting_30fps_VGA[] = { 26019a81c14SSteve Longerbeam {0x3103, 0x11, 0, 0}, {0x3008, 0x82, 0, 5}, {0x3008, 0x42, 0, 0}, 26119a81c14SSteve Longerbeam {0x3103, 0x03, 0, 0}, {0x3017, 0x00, 0, 0}, {0x3018, 0x00, 0, 0}, 262c14d107eSMaxime Ripard {0x3630, 0x36, 0, 0}, 26319a81c14SSteve Longerbeam {0x3631, 0x0e, 0, 0}, {0x3632, 0xe2, 0, 0}, {0x3633, 0x12, 0, 0}, 26419a81c14SSteve Longerbeam {0x3621, 0xe0, 0, 0}, {0x3704, 0xa0, 0, 0}, {0x3703, 0x5a, 0, 0}, 26519a81c14SSteve Longerbeam {0x3715, 0x78, 0, 0}, {0x3717, 0x01, 0, 0}, {0x370b, 0x60, 0, 0}, 26619a81c14SSteve Longerbeam {0x3705, 0x1a, 0, 0}, {0x3905, 0x02, 0, 0}, {0x3906, 0x10, 0, 0}, 26719a81c14SSteve Longerbeam {0x3901, 0x0a, 0, 0}, {0x3731, 0x12, 0, 0}, {0x3600, 0x08, 0, 0}, 26819a81c14SSteve Longerbeam {0x3601, 0x33, 0, 0}, {0x302d, 0x60, 0, 0}, {0x3620, 0x52, 0, 0}, 26919a81c14SSteve Longerbeam {0x371b, 0x20, 0, 0}, {0x471c, 0x50, 0, 0}, {0x3a13, 0x43, 0, 0}, 27019a81c14SSteve Longerbeam {0x3a18, 0x00, 0, 0}, {0x3a19, 0xf8, 0, 0}, {0x3635, 0x13, 0, 0}, 27119a81c14SSteve Longerbeam {0x3636, 0x03, 0, 0}, {0x3634, 0x40, 0, 0}, {0x3622, 0x01, 0, 0}, 27219a81c14SSteve Longerbeam {0x3c01, 0xa4, 0, 0}, {0x3c04, 0x28, 0, 0}, {0x3c05, 0x98, 0, 0}, 27319a81c14SSteve Longerbeam {0x3c06, 0x00, 0, 0}, {0x3c07, 0x08, 0, 0}, {0x3c08, 0x00, 0, 0}, 27419a81c14SSteve Longerbeam {0x3c09, 0x1c, 0, 0}, {0x3c0a, 0x9c, 0, 0}, {0x3c0b, 0x40, 0, 0}, 27519a81c14SSteve Longerbeam {0x3820, 0x41, 0, 0}, {0x3821, 0x07, 0, 0}, {0x3814, 0x31, 0, 0}, 27619a81c14SSteve Longerbeam {0x3815, 0x31, 0, 0}, {0x3800, 0x00, 0, 0}, {0x3801, 0x00, 0, 0}, 27719a81c14SSteve Longerbeam {0x3802, 0x00, 0, 0}, {0x3803, 0x04, 0, 0}, {0x3804, 0x0a, 0, 0}, 27819a81c14SSteve Longerbeam {0x3805, 0x3f, 0, 0}, {0x3806, 0x07, 0, 0}, {0x3807, 0x9b, 0, 0}, 279476dec01SMaxime Ripard {0x3810, 0x00, 0, 0}, 28019a81c14SSteve Longerbeam {0x3811, 0x10, 0, 0}, {0x3812, 0x00, 0, 0}, {0x3813, 0x06, 0, 0}, 28119a81c14SSteve Longerbeam {0x3618, 0x00, 0, 0}, {0x3612, 0x29, 0, 0}, {0x3708, 0x64, 0, 0}, 28219a81c14SSteve Longerbeam {0x3709, 0x52, 0, 0}, {0x370c, 0x03, 0, 0}, {0x3a02, 0x03, 0, 0}, 28319a81c14SSteve Longerbeam {0x3a03, 0xd8, 0, 0}, {0x3a08, 0x01, 0, 0}, {0x3a09, 0x27, 0, 0}, 28419a81c14SSteve Longerbeam {0x3a0a, 0x00, 0, 0}, {0x3a0b, 0xf6, 0, 0}, {0x3a0e, 0x03, 0, 0}, 28519a81c14SSteve Longerbeam {0x3a0d, 0x04, 0, 0}, {0x3a14, 0x03, 0, 0}, {0x3a15, 0xd8, 0, 0}, 28619a81c14SSteve Longerbeam {0x4001, 0x02, 0, 0}, {0x4004, 0x02, 0, 0}, {0x3000, 0x00, 0, 0}, 28719a81c14SSteve Longerbeam {0x3002, 0x1c, 0, 0}, {0x3004, 0xff, 0, 0}, {0x3006, 0xc3, 0, 0}, 288aa4bb8b8SJacopo Mondi {0x302e, 0x08, 0, 0}, {0x4300, 0x3f, 0, 0}, 28919a81c14SSteve Longerbeam {0x501f, 0x00, 0, 0}, {0x4713, 0x03, 0, 0}, {0x4407, 0x04, 0, 0}, 29019a81c14SSteve Longerbeam {0x440e, 0x00, 0, 0}, {0x460b, 0x35, 0, 0}, {0x460c, 0x22, 0, 0}, 291aa4bb8b8SJacopo Mondi {0x4837, 0x0a, 0, 0}, {0x3824, 0x02, 0, 0}, 29219a81c14SSteve Longerbeam {0x5000, 0xa7, 0, 0}, {0x5001, 0xa3, 0, 0}, {0x5180, 0xff, 0, 0}, 29319a81c14SSteve Longerbeam {0x5181, 0xf2, 0, 0}, {0x5182, 0x00, 0, 0}, {0x5183, 0x14, 0, 0}, 29419a81c14SSteve Longerbeam {0x5184, 0x25, 0, 0}, {0x5185, 0x24, 0, 0}, {0x5186, 0x09, 0, 0}, 29519a81c14SSteve Longerbeam {0x5187, 0x09, 0, 0}, {0x5188, 0x09, 0, 0}, {0x5189, 0x88, 0, 0}, 29619a81c14SSteve Longerbeam {0x518a, 0x54, 0, 0}, {0x518b, 0xee, 0, 0}, {0x518c, 0xb2, 0, 0}, 29719a81c14SSteve Longerbeam {0x518d, 0x50, 0, 0}, {0x518e, 0x34, 0, 0}, {0x518f, 0x6b, 0, 0}, 29819a81c14SSteve Longerbeam {0x5190, 0x46, 0, 0}, {0x5191, 0xf8, 0, 0}, {0x5192, 0x04, 0, 0}, 29919a81c14SSteve Longerbeam {0x5193, 0x70, 0, 0}, {0x5194, 0xf0, 0, 0}, {0x5195, 0xf0, 0, 0}, 30019a81c14SSteve Longerbeam {0x5196, 0x03, 0, 0}, {0x5197, 0x01, 0, 0}, {0x5198, 0x04, 0, 0}, 30119a81c14SSteve Longerbeam {0x5199, 0x6c, 0, 0}, {0x519a, 0x04, 0, 0}, {0x519b, 0x00, 0, 0}, 30219a81c14SSteve Longerbeam {0x519c, 0x09, 0, 0}, {0x519d, 0x2b, 0, 0}, {0x519e, 0x38, 0, 0}, 30319a81c14SSteve Longerbeam {0x5381, 0x1e, 0, 0}, {0x5382, 0x5b, 0, 0}, {0x5383, 0x08, 0, 0}, 30419a81c14SSteve Longerbeam {0x5384, 0x0a, 0, 0}, {0x5385, 0x7e, 0, 0}, {0x5386, 0x88, 0, 0}, 30519a81c14SSteve Longerbeam {0x5387, 0x7c, 0, 0}, {0x5388, 0x6c, 0, 0}, {0x5389, 0x10, 0, 0}, 30619a81c14SSteve Longerbeam {0x538a, 0x01, 0, 0}, {0x538b, 0x98, 0, 0}, {0x5300, 0x08, 0, 0}, 30719a81c14SSteve Longerbeam {0x5301, 0x30, 0, 0}, {0x5302, 0x10, 0, 0}, {0x5303, 0x00, 0, 0}, 30819a81c14SSteve Longerbeam {0x5304, 0x08, 0, 0}, {0x5305, 0x30, 0, 0}, {0x5306, 0x08, 0, 0}, 30919a81c14SSteve Longerbeam {0x5307, 0x16, 0, 0}, {0x5309, 0x08, 0, 0}, {0x530a, 0x30, 0, 0}, 31019a81c14SSteve Longerbeam {0x530b, 0x04, 0, 0}, {0x530c, 0x06, 0, 0}, {0x5480, 0x01, 0, 0}, 31119a81c14SSteve Longerbeam {0x5481, 0x08, 0, 0}, {0x5482, 0x14, 0, 0}, {0x5483, 0x28, 0, 0}, 31219a81c14SSteve Longerbeam {0x5484, 0x51, 0, 0}, {0x5485, 0x65, 0, 0}, {0x5486, 0x71, 0, 0}, 31319a81c14SSteve Longerbeam {0x5487, 0x7d, 0, 0}, {0x5488, 0x87, 0, 0}, {0x5489, 0x91, 0, 0}, 31419a81c14SSteve Longerbeam {0x548a, 0x9a, 0, 0}, {0x548b, 0xaa, 0, 0}, {0x548c, 0xb8, 0, 0}, 31519a81c14SSteve Longerbeam {0x548d, 0xcd, 0, 0}, {0x548e, 0xdd, 0, 0}, {0x548f, 0xea, 0, 0}, 31619a81c14SSteve Longerbeam {0x5490, 0x1d, 0, 0}, {0x5580, 0x02, 0, 0}, {0x5583, 0x40, 0, 0}, 31719a81c14SSteve Longerbeam {0x5584, 0x10, 0, 0}, {0x5589, 0x10, 0, 0}, {0x558a, 0x00, 0, 0}, 31819a81c14SSteve Longerbeam {0x558b, 0xf8, 0, 0}, {0x5800, 0x23, 0, 0}, {0x5801, 0x14, 0, 0}, 31919a81c14SSteve Longerbeam {0x5802, 0x0f, 0, 0}, {0x5803, 0x0f, 0, 0}, {0x5804, 0x12, 0, 0}, 32019a81c14SSteve Longerbeam {0x5805, 0x26, 0, 0}, {0x5806, 0x0c, 0, 0}, {0x5807, 0x08, 0, 0}, 32119a81c14SSteve Longerbeam {0x5808, 0x05, 0, 0}, {0x5809, 0x05, 0, 0}, {0x580a, 0x08, 0, 0}, 32219a81c14SSteve Longerbeam {0x580b, 0x0d, 0, 0}, {0x580c, 0x08, 0, 0}, {0x580d, 0x03, 0, 0}, 32319a81c14SSteve Longerbeam {0x580e, 0x00, 0, 0}, {0x580f, 0x00, 0, 0}, {0x5810, 0x03, 0, 0}, 32419a81c14SSteve Longerbeam {0x5811, 0x09, 0, 0}, {0x5812, 0x07, 0, 0}, {0x5813, 0x03, 0, 0}, 32519a81c14SSteve Longerbeam {0x5814, 0x00, 0, 0}, {0x5815, 0x01, 0, 0}, {0x5816, 0x03, 0, 0}, 32619a81c14SSteve Longerbeam {0x5817, 0x08, 0, 0}, {0x5818, 0x0d, 0, 0}, {0x5819, 0x08, 0, 0}, 32719a81c14SSteve Longerbeam {0x581a, 0x05, 0, 0}, {0x581b, 0x06, 0, 0}, {0x581c, 0x08, 0, 0}, 32819a81c14SSteve Longerbeam {0x581d, 0x0e, 0, 0}, {0x581e, 0x29, 0, 0}, {0x581f, 0x17, 0, 0}, 32919a81c14SSteve Longerbeam {0x5820, 0x11, 0, 0}, {0x5821, 0x11, 0, 0}, {0x5822, 0x15, 0, 0}, 33019a81c14SSteve Longerbeam {0x5823, 0x28, 0, 0}, {0x5824, 0x46, 0, 0}, {0x5825, 0x26, 0, 0}, 33119a81c14SSteve Longerbeam {0x5826, 0x08, 0, 0}, {0x5827, 0x26, 0, 0}, {0x5828, 0x64, 0, 0}, 33219a81c14SSteve Longerbeam {0x5829, 0x26, 0, 0}, {0x582a, 0x24, 0, 0}, {0x582b, 0x22, 0, 0}, 33319a81c14SSteve Longerbeam {0x582c, 0x24, 0, 0}, {0x582d, 0x24, 0, 0}, {0x582e, 0x06, 0, 0}, 33419a81c14SSteve Longerbeam {0x582f, 0x22, 0, 0}, {0x5830, 0x40, 0, 0}, {0x5831, 0x42, 0, 0}, 33519a81c14SSteve Longerbeam {0x5832, 0x24, 0, 0}, {0x5833, 0x26, 0, 0}, {0x5834, 0x24, 0, 0}, 33619a81c14SSteve Longerbeam {0x5835, 0x22, 0, 0}, {0x5836, 0x22, 0, 0}, {0x5837, 0x26, 0, 0}, 33719a81c14SSteve Longerbeam {0x5838, 0x44, 0, 0}, {0x5839, 0x24, 0, 0}, {0x583a, 0x26, 0, 0}, 33819a81c14SSteve Longerbeam {0x583b, 0x28, 0, 0}, {0x583c, 0x42, 0, 0}, {0x583d, 0xce, 0, 0}, 33919a81c14SSteve Longerbeam {0x5025, 0x00, 0, 0}, {0x3a0f, 0x30, 0, 0}, {0x3a10, 0x28, 0, 0}, 34019a81c14SSteve Longerbeam {0x3a1b, 0x30, 0, 0}, {0x3a1e, 0x26, 0, 0}, {0x3a11, 0x60, 0, 0}, 34119a81c14SSteve Longerbeam {0x3a1f, 0x14, 0, 0}, {0x3008, 0x02, 0, 0}, {0x3c00, 0x04, 0, 300}, 34219a81c14SSteve Longerbeam }; 34319a81c14SSteve Longerbeam 344086c25f8SMaxime Ripard static const struct reg_value ov5640_setting_VGA_640_480[] = { 345c14d107eSMaxime Ripard {0x3c07, 0x08, 0, 0}, 34619a81c14SSteve Longerbeam {0x3c09, 0x1c, 0, 0}, {0x3c0a, 0x9c, 0, 0}, {0x3c0b, 0x40, 0, 0}, 347ce85705aSHugues Fruchet {0x3814, 0x31, 0, 0}, 34819a81c14SSteve Longerbeam {0x3815, 0x31, 0, 0}, {0x3800, 0x00, 0, 0}, {0x3801, 0x00, 0, 0}, 34919a81c14SSteve Longerbeam {0x3802, 0x00, 0, 0}, {0x3803, 0x04, 0, 0}, {0x3804, 0x0a, 0, 0}, 35019a81c14SSteve Longerbeam {0x3805, 0x3f, 0, 0}, {0x3806, 0x07, 0, 0}, {0x3807, 0x9b, 0, 0}, 351476dec01SMaxime Ripard {0x3810, 0x00, 0, 0}, 35219a81c14SSteve Longerbeam {0x3811, 0x10, 0, 0}, {0x3812, 0x00, 0, 0}, {0x3813, 0x06, 0, 0}, 35319a81c14SSteve Longerbeam {0x3618, 0x00, 0, 0}, {0x3612, 0x29, 0, 0}, {0x3708, 0x64, 0, 0}, 35419a81c14SSteve Longerbeam {0x3709, 0x52, 0, 0}, {0x370c, 0x03, 0, 0}, {0x3a02, 0x03, 0, 0}, 35519a81c14SSteve Longerbeam {0x3a03, 0xd8, 0, 0}, {0x3a08, 0x01, 0, 0}, {0x3a09, 0x27, 0, 0}, 35619a81c14SSteve Longerbeam {0x3a0a, 0x00, 0, 0}, {0x3a0b, 0xf6, 0, 0}, {0x3a0e, 0x03, 0, 0}, 35719a81c14SSteve Longerbeam {0x3a0d, 0x04, 0, 0}, {0x3a14, 0x03, 0, 0}, {0x3a15, 0xd8, 0, 0}, 35819a81c14SSteve Longerbeam {0x4001, 0x02, 0, 0}, {0x4004, 0x02, 0, 0}, {0x4713, 0x03, 0, 0}, 35919a81c14SSteve Longerbeam {0x4407, 0x04, 0, 0}, {0x460b, 0x35, 0, 0}, {0x460c, 0x22, 0, 0}, 36019a81c14SSteve Longerbeam {0x3824, 0x02, 0, 0}, {0x5001, 0xa3, 0, 0}, 36119a81c14SSteve Longerbeam }; 36219a81c14SSteve Longerbeam 363086c25f8SMaxime Ripard static const struct reg_value ov5640_setting_XGA_1024_768[] = { 364c14d107eSMaxime Ripard {0x3c07, 0x08, 0, 0}, 36519a81c14SSteve Longerbeam {0x3c09, 0x1c, 0, 0}, {0x3c0a, 0x9c, 0, 0}, {0x3c0b, 0x40, 0, 0}, 366ce85705aSHugues Fruchet {0x3814, 0x31, 0, 0}, 36719a81c14SSteve Longerbeam {0x3815, 0x31, 0, 0}, {0x3800, 0x00, 0, 0}, {0x3801, 0x00, 0, 0}, 36819a81c14SSteve Longerbeam {0x3802, 0x00, 0, 0}, {0x3803, 0x04, 0, 0}, {0x3804, 0x0a, 0, 0}, 36919a81c14SSteve Longerbeam {0x3805, 0x3f, 0, 0}, {0x3806, 0x07, 0, 0}, {0x3807, 0x9b, 0, 0}, 370476dec01SMaxime Ripard {0x3810, 0x00, 0, 0}, 37119a81c14SSteve Longerbeam {0x3811, 0x10, 0, 0}, {0x3812, 0x00, 0, 0}, {0x3813, 0x06, 0, 0}, 37219a81c14SSteve Longerbeam {0x3618, 0x00, 0, 0}, {0x3612, 0x29, 0, 0}, {0x3708, 0x64, 0, 0}, 37319a81c14SSteve Longerbeam {0x3709, 0x52, 0, 0}, {0x370c, 0x03, 0, 0}, {0x3a02, 0x03, 0, 0}, 37419a81c14SSteve Longerbeam {0x3a03, 0xd8, 0, 0}, {0x3a08, 0x01, 0, 0}, {0x3a09, 0x27, 0, 0}, 37519a81c14SSteve Longerbeam {0x3a0a, 0x00, 0, 0}, {0x3a0b, 0xf6, 0, 0}, {0x3a0e, 0x03, 0, 0}, 37619a81c14SSteve Longerbeam {0x3a0d, 0x04, 0, 0}, {0x3a14, 0x03, 0, 0}, {0x3a15, 0xd8, 0, 0}, 37719a81c14SSteve Longerbeam {0x4001, 0x02, 0, 0}, {0x4004, 0x02, 0, 0}, {0x4713, 0x03, 0, 0}, 37819a81c14SSteve Longerbeam {0x4407, 0x04, 0, 0}, {0x460b, 0x35, 0, 0}, {0x460c, 0x22, 0, 0}, 37986633417SMaxime Ripard {0x3824, 0x02, 0, 0}, {0x5001, 0xa3, 0, 0}, 38019a81c14SSteve Longerbeam }; 38119a81c14SSteve Longerbeam 382086c25f8SMaxime Ripard static const struct reg_value ov5640_setting_QVGA_320_240[] = { 383c14d107eSMaxime Ripard {0x3c07, 0x08, 0, 0}, 38419a81c14SSteve Longerbeam {0x3c09, 0x1c, 0, 0}, {0x3c0a, 0x9c, 0, 0}, {0x3c0b, 0x40, 0, 0}, 385ce85705aSHugues Fruchet {0x3814, 0x31, 0, 0}, 38619a81c14SSteve Longerbeam {0x3815, 0x31, 0, 0}, {0x3800, 0x00, 0, 0}, {0x3801, 0x00, 0, 0}, 38719a81c14SSteve Longerbeam {0x3802, 0x00, 0, 0}, {0x3803, 0x04, 0, 0}, {0x3804, 0x0a, 0, 0}, 38819a81c14SSteve Longerbeam {0x3805, 0x3f, 0, 0}, {0x3806, 0x07, 0, 0}, {0x3807, 0x9b, 0, 0}, 389476dec01SMaxime Ripard {0x3810, 0x00, 0, 0}, 39019a81c14SSteve Longerbeam {0x3811, 0x10, 0, 0}, {0x3812, 0x00, 0, 0}, {0x3813, 0x06, 0, 0}, 39119a81c14SSteve Longerbeam {0x3618, 0x00, 0, 0}, {0x3612, 0x29, 0, 0}, {0x3708, 0x64, 0, 0}, 39219a81c14SSteve Longerbeam {0x3709, 0x52, 0, 0}, {0x370c, 0x03, 0, 0}, {0x3a02, 0x03, 0, 0}, 39319a81c14SSteve Longerbeam {0x3a03, 0xd8, 0, 0}, {0x3a08, 0x01, 0, 0}, {0x3a09, 0x27, 0, 0}, 39419a81c14SSteve Longerbeam {0x3a0a, 0x00, 0, 0}, {0x3a0b, 0xf6, 0, 0}, {0x3a0e, 0x03, 0, 0}, 39519a81c14SSteve Longerbeam {0x3a0d, 0x04, 0, 0}, {0x3a14, 0x03, 0, 0}, {0x3a15, 0xd8, 0, 0}, 39619a81c14SSteve Longerbeam {0x4001, 0x02, 0, 0}, {0x4004, 0x02, 0, 0}, {0x4713, 0x03, 0, 0}, 39719a81c14SSteve Longerbeam {0x4407, 0x04, 0, 0}, {0x460b, 0x35, 0, 0}, {0x460c, 0x22, 0, 0}, 39819a81c14SSteve Longerbeam {0x3824, 0x02, 0, 0}, {0x5001, 0xa3, 0, 0}, 39919a81c14SSteve Longerbeam }; 40019a81c14SSteve Longerbeam 401086c25f8SMaxime Ripard static const struct reg_value ov5640_setting_QCIF_176_144[] = { 402c14d107eSMaxime Ripard {0x3c07, 0x08, 0, 0}, 40319a81c14SSteve Longerbeam {0x3c09, 0x1c, 0, 0}, {0x3c0a, 0x9c, 0, 0}, {0x3c0b, 0x40, 0, 0}, 404ce85705aSHugues Fruchet {0x3814, 0x31, 0, 0}, 40519a81c14SSteve Longerbeam {0x3815, 0x31, 0, 0}, {0x3800, 0x00, 0, 0}, {0x3801, 0x00, 0, 0}, 40619a81c14SSteve Longerbeam {0x3802, 0x00, 0, 0}, {0x3803, 0x04, 0, 0}, {0x3804, 0x0a, 0, 0}, 40719a81c14SSteve Longerbeam {0x3805, 0x3f, 0, 0}, {0x3806, 0x07, 0, 0}, {0x3807, 0x9b, 0, 0}, 408476dec01SMaxime Ripard {0x3810, 0x00, 0, 0}, 40919a81c14SSteve Longerbeam {0x3811, 0x10, 0, 0}, {0x3812, 0x00, 0, 0}, {0x3813, 0x06, 0, 0}, 41019a81c14SSteve Longerbeam {0x3618, 0x00, 0, 0}, {0x3612, 0x29, 0, 0}, {0x3708, 0x64, 0, 0}, 41119a81c14SSteve Longerbeam {0x3709, 0x52, 0, 0}, {0x370c, 0x03, 0, 0}, {0x3a02, 0x03, 0, 0}, 41219a81c14SSteve Longerbeam {0x3a03, 0xd8, 0, 0}, {0x3a08, 0x01, 0, 0}, {0x3a09, 0x27, 0, 0}, 41319a81c14SSteve Longerbeam {0x3a0a, 0x00, 0, 0}, {0x3a0b, 0xf6, 0, 0}, {0x3a0e, 0x03, 0, 0}, 41419a81c14SSteve Longerbeam {0x3a0d, 0x04, 0, 0}, {0x3a14, 0x03, 0, 0}, {0x3a15, 0xd8, 0, 0}, 41519a81c14SSteve Longerbeam {0x4001, 0x02, 0, 0}, {0x4004, 0x02, 0, 0}, {0x4713, 0x03, 0, 0}, 41619a81c14SSteve Longerbeam {0x4407, 0x04, 0, 0}, {0x460b, 0x35, 0, 0}, {0x460c, 0x22, 0, 0}, 41719a81c14SSteve Longerbeam {0x3824, 0x02, 0, 0}, {0x5001, 0xa3, 0, 0}, 41819a81c14SSteve Longerbeam }; 41919a81c14SSteve Longerbeam 420086c25f8SMaxime Ripard static const struct reg_value ov5640_setting_NTSC_720_480[] = { 421c14d107eSMaxime Ripard {0x3c07, 0x08, 0, 0}, 42219a81c14SSteve Longerbeam {0x3c09, 0x1c, 0, 0}, {0x3c0a, 0x9c, 0, 0}, {0x3c0b, 0x40, 0, 0}, 423ce85705aSHugues Fruchet {0x3814, 0x31, 0, 0}, 42419a81c14SSteve Longerbeam {0x3815, 0x31, 0, 0}, {0x3800, 0x00, 0, 0}, {0x3801, 0x00, 0, 0}, 42519a81c14SSteve Longerbeam {0x3802, 0x00, 0, 0}, {0x3803, 0x04, 0, 0}, {0x3804, 0x0a, 0, 0}, 42619a81c14SSteve Longerbeam {0x3805, 0x3f, 0, 0}, {0x3806, 0x07, 0, 0}, {0x3807, 0x9b, 0, 0}, 427476dec01SMaxime Ripard {0x3810, 0x00, 0, 0}, 42819a81c14SSteve Longerbeam {0x3811, 0x10, 0, 0}, {0x3812, 0x00, 0, 0}, {0x3813, 0x3c, 0, 0}, 42919a81c14SSteve Longerbeam {0x3618, 0x00, 0, 0}, {0x3612, 0x29, 0, 0}, {0x3708, 0x64, 0, 0}, 43019a81c14SSteve Longerbeam {0x3709, 0x52, 0, 0}, {0x370c, 0x03, 0, 0}, {0x3a02, 0x03, 0, 0}, 43119a81c14SSteve Longerbeam {0x3a03, 0xd8, 0, 0}, {0x3a08, 0x01, 0, 0}, {0x3a09, 0x27, 0, 0}, 43219a81c14SSteve Longerbeam {0x3a0a, 0x00, 0, 0}, {0x3a0b, 0xf6, 0, 0}, {0x3a0e, 0x03, 0, 0}, 43319a81c14SSteve Longerbeam {0x3a0d, 0x04, 0, 0}, {0x3a14, 0x03, 0, 0}, {0x3a15, 0xd8, 0, 0}, 43419a81c14SSteve Longerbeam {0x4001, 0x02, 0, 0}, {0x4004, 0x02, 0, 0}, {0x4713, 0x03, 0, 0}, 43519a81c14SSteve Longerbeam {0x4407, 0x04, 0, 0}, {0x460b, 0x35, 0, 0}, {0x460c, 0x22, 0, 0}, 43619a81c14SSteve Longerbeam {0x3824, 0x02, 0, 0}, {0x5001, 0xa3, 0, 0}, 43719a81c14SSteve Longerbeam }; 43819a81c14SSteve Longerbeam 439086c25f8SMaxime Ripard static const struct reg_value ov5640_setting_PAL_720_576[] = { 440c14d107eSMaxime Ripard {0x3c07, 0x08, 0, 0}, 44119a81c14SSteve Longerbeam {0x3c09, 0x1c, 0, 0}, {0x3c0a, 0x9c, 0, 0}, {0x3c0b, 0x40, 0, 0}, 442ce85705aSHugues Fruchet {0x3814, 0x31, 0, 0}, 44319a81c14SSteve Longerbeam {0x3815, 0x31, 0, 0}, {0x3800, 0x00, 0, 0}, {0x3801, 0x00, 0, 0}, 44419a81c14SSteve Longerbeam {0x3802, 0x00, 0, 0}, {0x3803, 0x04, 0, 0}, {0x3804, 0x0a, 0, 0}, 44519a81c14SSteve Longerbeam {0x3805, 0x3f, 0, 0}, {0x3806, 0x07, 0, 0}, {0x3807, 0x9b, 0, 0}, 446476dec01SMaxime Ripard {0x3810, 0x00, 0, 0}, 44719a81c14SSteve Longerbeam {0x3811, 0x38, 0, 0}, {0x3812, 0x00, 0, 0}, {0x3813, 0x06, 0, 0}, 44819a81c14SSteve Longerbeam {0x3618, 0x00, 0, 0}, {0x3612, 0x29, 0, 0}, {0x3708, 0x64, 0, 0}, 44919a81c14SSteve Longerbeam {0x3709, 0x52, 0, 0}, {0x370c, 0x03, 0, 0}, {0x3a02, 0x03, 0, 0}, 45019a81c14SSteve Longerbeam {0x3a03, 0xd8, 0, 0}, {0x3a08, 0x01, 0, 0}, {0x3a09, 0x27, 0, 0}, 45119a81c14SSteve Longerbeam {0x3a0a, 0x00, 0, 0}, {0x3a0b, 0xf6, 0, 0}, {0x3a0e, 0x03, 0, 0}, 45219a81c14SSteve Longerbeam {0x3a0d, 0x04, 0, 0}, {0x3a14, 0x03, 0, 0}, {0x3a15, 0xd8, 0, 0}, 45319a81c14SSteve Longerbeam {0x4001, 0x02, 0, 0}, {0x4004, 0x02, 0, 0}, {0x4713, 0x03, 0, 0}, 45419a81c14SSteve Longerbeam {0x4407, 0x04, 0, 0}, {0x460b, 0x35, 0, 0}, {0x460c, 0x22, 0, 0}, 45519a81c14SSteve Longerbeam {0x3824, 0x02, 0, 0}, {0x5001, 0xa3, 0, 0}, 45619a81c14SSteve Longerbeam }; 45719a81c14SSteve Longerbeam 458086c25f8SMaxime Ripard static const struct reg_value ov5640_setting_720P_1280_720[] = { 459c14d107eSMaxime Ripard {0x3c07, 0x07, 0, 0}, 46019a81c14SSteve Longerbeam {0x3c09, 0x1c, 0, 0}, {0x3c0a, 0x9c, 0, 0}, {0x3c0b, 0x40, 0, 0}, 461ce85705aSHugues Fruchet {0x3814, 0x31, 0, 0}, 46219a81c14SSteve Longerbeam {0x3815, 0x31, 0, 0}, {0x3800, 0x00, 0, 0}, {0x3801, 0x00, 0, 0}, 46319a81c14SSteve Longerbeam {0x3802, 0x00, 0, 0}, {0x3803, 0xfa, 0, 0}, {0x3804, 0x0a, 0, 0}, 46419a81c14SSteve Longerbeam {0x3805, 0x3f, 0, 0}, {0x3806, 0x06, 0, 0}, {0x3807, 0xa9, 0, 0}, 465476dec01SMaxime Ripard {0x3810, 0x00, 0, 0}, 46619a81c14SSteve Longerbeam {0x3811, 0x10, 0, 0}, {0x3812, 0x00, 0, 0}, {0x3813, 0x04, 0, 0}, 46719a81c14SSteve Longerbeam {0x3618, 0x00, 0, 0}, {0x3612, 0x29, 0, 0}, {0x3708, 0x64, 0, 0}, 46819a81c14SSteve Longerbeam {0x3709, 0x52, 0, 0}, {0x370c, 0x03, 0, 0}, {0x3a02, 0x02, 0, 0}, 46919a81c14SSteve Longerbeam {0x3a03, 0xe4, 0, 0}, {0x3a08, 0x01, 0, 0}, {0x3a09, 0xbc, 0, 0}, 47019a81c14SSteve Longerbeam {0x3a0a, 0x01, 0, 0}, {0x3a0b, 0x72, 0, 0}, {0x3a0e, 0x01, 0, 0}, 47119a81c14SSteve Longerbeam {0x3a0d, 0x02, 0, 0}, {0x3a14, 0x02, 0, 0}, {0x3a15, 0xe4, 0, 0}, 472b791187bSHugues Fruchet {0x4001, 0x02, 0, 0}, {0x4004, 0x02, 0, 0}, {0x4713, 0x03, 0, 0}, 47319a81c14SSteve Longerbeam {0x4407, 0x04, 0, 0}, {0x460b, 0x37, 0, 0}, {0x460c, 0x20, 0, 0}, 47419a81c14SSteve Longerbeam {0x3824, 0x04, 0, 0}, {0x5001, 0x83, 0, 0}, 47519a81c14SSteve Longerbeam }; 47619a81c14SSteve Longerbeam 477086c25f8SMaxime Ripard static const struct reg_value ov5640_setting_1080P_1920_1080[] = { 47819a81c14SSteve Longerbeam {0x3008, 0x42, 0, 0}, 479c14d107eSMaxime Ripard {0x3c07, 0x08, 0, 0}, 48019a81c14SSteve Longerbeam {0x3c09, 0x1c, 0, 0}, {0x3c0a, 0x9c, 0, 0}, {0x3c0b, 0x40, 0, 0}, 481ce85705aSHugues Fruchet {0x3814, 0x11, 0, 0}, 48219a81c14SSteve Longerbeam {0x3815, 0x11, 0, 0}, {0x3800, 0x00, 0, 0}, {0x3801, 0x00, 0, 0}, 48319a81c14SSteve Longerbeam {0x3802, 0x00, 0, 0}, {0x3803, 0x00, 0, 0}, {0x3804, 0x0a, 0, 0}, 48419a81c14SSteve Longerbeam {0x3805, 0x3f, 0, 0}, {0x3806, 0x07, 0, 0}, {0x3807, 0x9f, 0, 0}, 485476dec01SMaxime Ripard {0x3810, 0x00, 0, 0}, 48619a81c14SSteve Longerbeam {0x3811, 0x10, 0, 0}, {0x3812, 0x00, 0, 0}, {0x3813, 0x04, 0, 0}, 48719a81c14SSteve Longerbeam {0x3618, 0x04, 0, 0}, {0x3612, 0x29, 0, 0}, {0x3708, 0x21, 0, 0}, 48819a81c14SSteve Longerbeam {0x3709, 0x12, 0, 0}, {0x370c, 0x00, 0, 0}, {0x3a02, 0x03, 0, 0}, 48919a81c14SSteve Longerbeam {0x3a03, 0xd8, 0, 0}, {0x3a08, 0x01, 0, 0}, {0x3a09, 0x27, 0, 0}, 49019a81c14SSteve Longerbeam {0x3a0a, 0x00, 0, 0}, {0x3a0b, 0xf6, 0, 0}, {0x3a0e, 0x03, 0, 0}, 49119a81c14SSteve Longerbeam {0x3a0d, 0x04, 0, 0}, {0x3a14, 0x03, 0, 0}, {0x3a15, 0xd8, 0, 0}, 49219a81c14SSteve Longerbeam {0x4001, 0x02, 0, 0}, {0x4004, 0x06, 0, 0}, {0x4713, 0x03, 0, 0}, 49319a81c14SSteve Longerbeam {0x4407, 0x04, 0, 0}, {0x460b, 0x35, 0, 0}, {0x460c, 0x22, 0, 0}, 494c14d107eSMaxime Ripard {0x3824, 0x02, 0, 0}, {0x5001, 0x83, 0, 0}, 495c14d107eSMaxime Ripard {0x3c07, 0x07, 0, 0}, {0x3c08, 0x00, 0, 0}, 49619a81c14SSteve Longerbeam {0x3c09, 0x1c, 0, 0}, {0x3c0a, 0x9c, 0, 0}, {0x3c0b, 0x40, 0, 0}, 49719a81c14SSteve Longerbeam {0x3800, 0x01, 0, 0}, {0x3801, 0x50, 0, 0}, {0x3802, 0x01, 0, 0}, 49819a81c14SSteve Longerbeam {0x3803, 0xb2, 0, 0}, {0x3804, 0x08, 0, 0}, {0x3805, 0xef, 0, 0}, 49986633417SMaxime Ripard {0x3806, 0x05, 0, 0}, {0x3807, 0xf1, 0, 0}, 500476dec01SMaxime Ripard {0x3612, 0x2b, 0, 0}, {0x3708, 0x64, 0, 0}, 50119a81c14SSteve Longerbeam {0x3a02, 0x04, 0, 0}, {0x3a03, 0x60, 0, 0}, {0x3a08, 0x01, 0, 0}, 50219a81c14SSteve Longerbeam {0x3a09, 0x50, 0, 0}, {0x3a0a, 0x01, 0, 0}, {0x3a0b, 0x18, 0, 0}, 50319a81c14SSteve Longerbeam {0x3a0e, 0x03, 0, 0}, {0x3a0d, 0x04, 0, 0}, {0x3a14, 0x04, 0, 0}, 50419a81c14SSteve Longerbeam {0x3a15, 0x60, 0, 0}, {0x4713, 0x02, 0, 0}, {0x4407, 0x04, 0, 0}, 50519a81c14SSteve Longerbeam {0x460b, 0x37, 0, 0}, {0x460c, 0x20, 0, 0}, {0x3824, 0x04, 0, 0}, 50619a81c14SSteve Longerbeam {0x4005, 0x1a, 0, 0}, {0x3008, 0x02, 0, 0}, {0x3503, 0, 0, 0}, 50719a81c14SSteve Longerbeam }; 50819a81c14SSteve Longerbeam 509086c25f8SMaxime Ripard static const struct reg_value ov5640_setting_QSXGA_2592_1944[] = { 510c14d107eSMaxime Ripard {0x3c07, 0x08, 0, 0}, 51119a81c14SSteve Longerbeam {0x3c09, 0x1c, 0, 0}, {0x3c0a, 0x9c, 0, 0}, {0x3c0b, 0x40, 0, 0}, 512ce85705aSHugues Fruchet {0x3814, 0x11, 0, 0}, 51319a81c14SSteve Longerbeam {0x3815, 0x11, 0, 0}, {0x3800, 0x00, 0, 0}, {0x3801, 0x00, 0, 0}, 51419a81c14SSteve Longerbeam {0x3802, 0x00, 0, 0}, {0x3803, 0x00, 0, 0}, {0x3804, 0x0a, 0, 0}, 51519a81c14SSteve Longerbeam {0x3805, 0x3f, 0, 0}, {0x3806, 0x07, 0, 0}, {0x3807, 0x9f, 0, 0}, 516476dec01SMaxime Ripard {0x3810, 0x00, 0, 0}, 51719a81c14SSteve Longerbeam {0x3811, 0x10, 0, 0}, {0x3812, 0x00, 0, 0}, {0x3813, 0x04, 0, 0}, 51819a81c14SSteve Longerbeam {0x3618, 0x04, 0, 0}, {0x3612, 0x29, 0, 0}, {0x3708, 0x21, 0, 0}, 51919a81c14SSteve Longerbeam {0x3709, 0x12, 0, 0}, {0x370c, 0x00, 0, 0}, {0x3a02, 0x03, 0, 0}, 52019a81c14SSteve Longerbeam {0x3a03, 0xd8, 0, 0}, {0x3a08, 0x01, 0, 0}, {0x3a09, 0x27, 0, 0}, 52119a81c14SSteve Longerbeam {0x3a0a, 0x00, 0, 0}, {0x3a0b, 0xf6, 0, 0}, {0x3a0e, 0x03, 0, 0}, 52219a81c14SSteve Longerbeam {0x3a0d, 0x04, 0, 0}, {0x3a14, 0x03, 0, 0}, {0x3a15, 0xd8, 0, 0}, 52319a81c14SSteve Longerbeam {0x4001, 0x02, 0, 0}, {0x4004, 0x06, 0, 0}, {0x4713, 0x03, 0, 0}, 52419a81c14SSteve Longerbeam {0x4407, 0x04, 0, 0}, {0x460b, 0x35, 0, 0}, {0x460c, 0x22, 0, 0}, 52519a81c14SSteve Longerbeam {0x3824, 0x02, 0, 0}, {0x5001, 0x83, 0, 70}, 52619a81c14SSteve Longerbeam }; 52719a81c14SSteve Longerbeam 52819a81c14SSteve Longerbeam /* power-on sensor init reg table */ 52919a81c14SSteve Longerbeam static const struct ov5640_mode_info ov5640_mode_init_data = { 530476dec01SMaxime Ripard 0, SUBSAMPLING, 640, 1896, 480, 984, 531476dec01SMaxime Ripard ov5640_init_setting_30fps_VGA, 53219a81c14SSteve Longerbeam ARRAY_SIZE(ov5640_init_setting_30fps_VGA), 53319a81c14SSteve Longerbeam }; 53419a81c14SSteve Longerbeam 53519a81c14SSteve Longerbeam static const struct ov5640_mode_info 536086c25f8SMaxime Ripard ov5640_mode_data[OV5640_NUM_MODES] = { 537476dec01SMaxime Ripard {OV5640_MODE_QCIF_176_144, SUBSAMPLING, 538476dec01SMaxime Ripard 176, 1896, 144, 984, 539086c25f8SMaxime Ripard ov5640_setting_QCIF_176_144, 540086c25f8SMaxime Ripard ARRAY_SIZE(ov5640_setting_QCIF_176_144)}, 541476dec01SMaxime Ripard {OV5640_MODE_QVGA_320_240, SUBSAMPLING, 542476dec01SMaxime Ripard 320, 1896, 240, 984, 543086c25f8SMaxime Ripard ov5640_setting_QVGA_320_240, 544086c25f8SMaxime Ripard ARRAY_SIZE(ov5640_setting_QVGA_320_240)}, 545476dec01SMaxime Ripard {OV5640_MODE_VGA_640_480, SUBSAMPLING, 546476dec01SMaxime Ripard 640, 1896, 480, 1080, 547086c25f8SMaxime Ripard ov5640_setting_VGA_640_480, 548086c25f8SMaxime Ripard ARRAY_SIZE(ov5640_setting_VGA_640_480)}, 549476dec01SMaxime Ripard {OV5640_MODE_NTSC_720_480, SUBSAMPLING, 550476dec01SMaxime Ripard 720, 1896, 480, 984, 551086c25f8SMaxime Ripard ov5640_setting_NTSC_720_480, 552086c25f8SMaxime Ripard ARRAY_SIZE(ov5640_setting_NTSC_720_480)}, 553476dec01SMaxime Ripard {OV5640_MODE_PAL_720_576, SUBSAMPLING, 554476dec01SMaxime Ripard 720, 1896, 576, 984, 555086c25f8SMaxime Ripard ov5640_setting_PAL_720_576, 556086c25f8SMaxime Ripard ARRAY_SIZE(ov5640_setting_PAL_720_576)}, 557476dec01SMaxime Ripard {OV5640_MODE_XGA_1024_768, SUBSAMPLING, 558476dec01SMaxime Ripard 1024, 1896, 768, 1080, 559086c25f8SMaxime Ripard ov5640_setting_XGA_1024_768, 560086c25f8SMaxime Ripard ARRAY_SIZE(ov5640_setting_XGA_1024_768)}, 561476dec01SMaxime Ripard {OV5640_MODE_720P_1280_720, SUBSAMPLING, 562476dec01SMaxime Ripard 1280, 1892, 720, 740, 563086c25f8SMaxime Ripard ov5640_setting_720P_1280_720, 564086c25f8SMaxime Ripard ARRAY_SIZE(ov5640_setting_720P_1280_720)}, 565476dec01SMaxime Ripard {OV5640_MODE_1080P_1920_1080, SCALING, 566476dec01SMaxime Ripard 1920, 2500, 1080, 1120, 567086c25f8SMaxime Ripard ov5640_setting_1080P_1920_1080, 568086c25f8SMaxime Ripard ARRAY_SIZE(ov5640_setting_1080P_1920_1080)}, 569476dec01SMaxime Ripard {OV5640_MODE_QSXGA_2592_1944, SCALING, 570476dec01SMaxime Ripard 2592, 2844, 1944, 1968, 571086c25f8SMaxime Ripard ov5640_setting_QSXGA_2592_1944, 572086c25f8SMaxime Ripard ARRAY_SIZE(ov5640_setting_QSXGA_2592_1944)}, 57319a81c14SSteve Longerbeam }; 57419a81c14SSteve Longerbeam 57519a81c14SSteve Longerbeam static int ov5640_init_slave_id(struct ov5640_dev *sensor) 57619a81c14SSteve Longerbeam { 57719a81c14SSteve Longerbeam struct i2c_client *client = sensor->i2c_client; 57819a81c14SSteve Longerbeam struct i2c_msg msg; 57919a81c14SSteve Longerbeam u8 buf[3]; 58019a81c14SSteve Longerbeam int ret; 58119a81c14SSteve Longerbeam 58219a81c14SSteve Longerbeam if (client->addr == OV5640_DEFAULT_SLAVE_ID) 58319a81c14SSteve Longerbeam return 0; 58419a81c14SSteve Longerbeam 58519a81c14SSteve Longerbeam buf[0] = OV5640_REG_SLAVE_ID >> 8; 58619a81c14SSteve Longerbeam buf[1] = OV5640_REG_SLAVE_ID & 0xff; 58719a81c14SSteve Longerbeam buf[2] = client->addr << 1; 58819a81c14SSteve Longerbeam 58919a81c14SSteve Longerbeam msg.addr = OV5640_DEFAULT_SLAVE_ID; 59019a81c14SSteve Longerbeam msg.flags = 0; 59119a81c14SSteve Longerbeam msg.buf = buf; 59219a81c14SSteve Longerbeam msg.len = sizeof(buf); 59319a81c14SSteve Longerbeam 59419a81c14SSteve Longerbeam ret = i2c_transfer(client->adapter, &msg, 1); 59519a81c14SSteve Longerbeam if (ret < 0) { 59619a81c14SSteve Longerbeam dev_err(&client->dev, "%s: failed with %d\n", __func__, ret); 59719a81c14SSteve Longerbeam return ret; 59819a81c14SSteve Longerbeam } 59919a81c14SSteve Longerbeam 60019a81c14SSteve Longerbeam return 0; 60119a81c14SSteve Longerbeam } 60219a81c14SSteve Longerbeam 60319a81c14SSteve Longerbeam static int ov5640_write_reg(struct ov5640_dev *sensor, u16 reg, u8 val) 60419a81c14SSteve Longerbeam { 60519a81c14SSteve Longerbeam struct i2c_client *client = sensor->i2c_client; 60619a81c14SSteve Longerbeam struct i2c_msg msg; 60719a81c14SSteve Longerbeam u8 buf[3]; 60819a81c14SSteve Longerbeam int ret; 60919a81c14SSteve Longerbeam 61019a81c14SSteve Longerbeam buf[0] = reg >> 8; 61119a81c14SSteve Longerbeam buf[1] = reg & 0xff; 61219a81c14SSteve Longerbeam buf[2] = val; 61319a81c14SSteve Longerbeam 61419a81c14SSteve Longerbeam msg.addr = client->addr; 61519a81c14SSteve Longerbeam msg.flags = client->flags; 61619a81c14SSteve Longerbeam msg.buf = buf; 61719a81c14SSteve Longerbeam msg.len = sizeof(buf); 61819a81c14SSteve Longerbeam 61919a81c14SSteve Longerbeam ret = i2c_transfer(client->adapter, &msg, 1); 62019a81c14SSteve Longerbeam if (ret < 0) { 6213924c623SHugues Fruchet dev_err(&client->dev, "%s: error: reg=%x, val=%x\n", 62219a81c14SSteve Longerbeam __func__, reg, val); 62319a81c14SSteve Longerbeam return ret; 62419a81c14SSteve Longerbeam } 62519a81c14SSteve Longerbeam 62619a81c14SSteve Longerbeam return 0; 62719a81c14SSteve Longerbeam } 62819a81c14SSteve Longerbeam 62919a81c14SSteve Longerbeam static int ov5640_read_reg(struct ov5640_dev *sensor, u16 reg, u8 *val) 63019a81c14SSteve Longerbeam { 63119a81c14SSteve Longerbeam struct i2c_client *client = sensor->i2c_client; 63219a81c14SSteve Longerbeam struct i2c_msg msg[2]; 63319a81c14SSteve Longerbeam u8 buf[2]; 63419a81c14SSteve Longerbeam int ret; 63519a81c14SSteve Longerbeam 63619a81c14SSteve Longerbeam buf[0] = reg >> 8; 63719a81c14SSteve Longerbeam buf[1] = reg & 0xff; 63819a81c14SSteve Longerbeam 63919a81c14SSteve Longerbeam msg[0].addr = client->addr; 64019a81c14SSteve Longerbeam msg[0].flags = client->flags; 64119a81c14SSteve Longerbeam msg[0].buf = buf; 64219a81c14SSteve Longerbeam msg[0].len = sizeof(buf); 64319a81c14SSteve Longerbeam 64419a81c14SSteve Longerbeam msg[1].addr = client->addr; 64519a81c14SSteve Longerbeam msg[1].flags = client->flags | I2C_M_RD; 64619a81c14SSteve Longerbeam msg[1].buf = buf; 64719a81c14SSteve Longerbeam msg[1].len = 1; 64819a81c14SSteve Longerbeam 64919a81c14SSteve Longerbeam ret = i2c_transfer(client->adapter, msg, 2); 6503924c623SHugues Fruchet if (ret < 0) { 6513924c623SHugues Fruchet dev_err(&client->dev, "%s: error: reg=%x\n", 6523924c623SHugues Fruchet __func__, reg); 65319a81c14SSteve Longerbeam return ret; 6543924c623SHugues Fruchet } 65519a81c14SSteve Longerbeam 65619a81c14SSteve Longerbeam *val = buf[0]; 65719a81c14SSteve Longerbeam return 0; 65819a81c14SSteve Longerbeam } 65919a81c14SSteve Longerbeam 66019a81c14SSteve Longerbeam static int ov5640_read_reg16(struct ov5640_dev *sensor, u16 reg, u16 *val) 66119a81c14SSteve Longerbeam { 66219a81c14SSteve Longerbeam u8 hi, lo; 66319a81c14SSteve Longerbeam int ret; 66419a81c14SSteve Longerbeam 66519a81c14SSteve Longerbeam ret = ov5640_read_reg(sensor, reg, &hi); 66619a81c14SSteve Longerbeam if (ret) 66719a81c14SSteve Longerbeam return ret; 66819a81c14SSteve Longerbeam ret = ov5640_read_reg(sensor, reg + 1, &lo); 66919a81c14SSteve Longerbeam if (ret) 67019a81c14SSteve Longerbeam return ret; 67119a81c14SSteve Longerbeam 67219a81c14SSteve Longerbeam *val = ((u16)hi << 8) | (u16)lo; 67319a81c14SSteve Longerbeam return 0; 67419a81c14SSteve Longerbeam } 67519a81c14SSteve Longerbeam 67619a81c14SSteve Longerbeam static int ov5640_write_reg16(struct ov5640_dev *sensor, u16 reg, u16 val) 67719a81c14SSteve Longerbeam { 67819a81c14SSteve Longerbeam int ret; 67919a81c14SSteve Longerbeam 68019a81c14SSteve Longerbeam ret = ov5640_write_reg(sensor, reg, val >> 8); 68119a81c14SSteve Longerbeam if (ret) 68219a81c14SSteve Longerbeam return ret; 68319a81c14SSteve Longerbeam 68419a81c14SSteve Longerbeam return ov5640_write_reg(sensor, reg + 1, val & 0xff); 68519a81c14SSteve Longerbeam } 68619a81c14SSteve Longerbeam 68719a81c14SSteve Longerbeam static int ov5640_mod_reg(struct ov5640_dev *sensor, u16 reg, 68819a81c14SSteve Longerbeam u8 mask, u8 val) 68919a81c14SSteve Longerbeam { 69019a81c14SSteve Longerbeam u8 readval; 69119a81c14SSteve Longerbeam int ret; 69219a81c14SSteve Longerbeam 69319a81c14SSteve Longerbeam ret = ov5640_read_reg(sensor, reg, &readval); 69419a81c14SSteve Longerbeam if (ret) 69519a81c14SSteve Longerbeam return ret; 69619a81c14SSteve Longerbeam 69719a81c14SSteve Longerbeam readval &= ~mask; 69819a81c14SSteve Longerbeam val &= mask; 69919a81c14SSteve Longerbeam val |= readval; 70019a81c14SSteve Longerbeam 70119a81c14SSteve Longerbeam return ov5640_write_reg(sensor, reg, val); 70219a81c14SSteve Longerbeam } 70319a81c14SSteve Longerbeam 704aa288248SMaxime Ripard /* 705aa288248SMaxime Ripard * After trying the various combinations, reading various 706aa288248SMaxime Ripard * documentations spreaded around the net, and from the various 707aa288248SMaxime Ripard * feedback, the clock tree is probably as follows: 708aa288248SMaxime Ripard * 709aa288248SMaxime Ripard * +--------------+ 710aa288248SMaxime Ripard * | Ext. Clock | 711aa288248SMaxime Ripard * +-+------------+ 712aa288248SMaxime Ripard * | +----------+ 713aa288248SMaxime Ripard * +->| PLL1 | - reg 0x3036, for the multiplier 714aa288248SMaxime Ripard * +-+--------+ - reg 0x3037, bits 0-3 for the pre-divider 715aa288248SMaxime Ripard * | +--------------+ 716aa288248SMaxime Ripard * +->| System Clock | - reg 0x3035, bits 4-7 717aa288248SMaxime Ripard * +-+------------+ 718aa288248SMaxime Ripard * | +--------------+ 719aa288248SMaxime Ripard * +->| MIPI Divider | - reg 0x3035, bits 0-3 720aa288248SMaxime Ripard * | +-+------------+ 721aa288248SMaxime Ripard * | +----------------> MIPI SCLK 722aa288248SMaxime Ripard * | + +-----+ 723aa288248SMaxime Ripard * | +->| / 2 |-------> MIPI BIT CLK 724aa288248SMaxime Ripard * | +-----+ 725aa288248SMaxime Ripard * | +--------------+ 726aa288248SMaxime Ripard * +->| PLL Root Div | - reg 0x3037, bit 4 727aa288248SMaxime Ripard * +-+------------+ 728aa288248SMaxime Ripard * | +---------+ 729aa288248SMaxime Ripard * +->| Bit Div | - reg 0x3035, bits 0-3 730aa288248SMaxime Ripard * +-+-------+ 731aa288248SMaxime Ripard * | +-------------+ 732aa288248SMaxime Ripard * +->| SCLK Div | - reg 0x3108, bits 0-1 733aa288248SMaxime Ripard * | +-+-----------+ 734aa288248SMaxime Ripard * | +---------------> SCLK 735aa288248SMaxime Ripard * | +-------------+ 736aa288248SMaxime Ripard * +->| SCLK 2X Div | - reg 0x3108, bits 2-3 737aa288248SMaxime Ripard * | +-+-----------+ 738aa288248SMaxime Ripard * | +---------------> SCLK 2X 739aa288248SMaxime Ripard * | +-------------+ 740aa288248SMaxime Ripard * +->| PCLK Div | - reg 0x3108, bits 4-5 741aa288248SMaxime Ripard * ++------------+ 742aa288248SMaxime Ripard * + +-----------+ 743aa288248SMaxime Ripard * +->| P_DIV | - reg 0x3035, bits 0-3 744aa288248SMaxime Ripard * +-----+-----+ 745aa288248SMaxime Ripard * +------------> PCLK 746aa288248SMaxime Ripard * 747aa288248SMaxime Ripard * This is deviating from the datasheet at least for the register 748aa288248SMaxime Ripard * 0x3108, since it's said here that the PCLK would be clocked from 749aa288248SMaxime Ripard * the PLL. 750aa288248SMaxime Ripard * 751aa288248SMaxime Ripard * There seems to be also (unverified) constraints: 752aa288248SMaxime Ripard * - the PLL pre-divider output rate should be in the 4-27MHz range 753aa288248SMaxime Ripard * - the PLL multiplier output rate should be in the 500-1000MHz range 754aa288248SMaxime Ripard * - PCLK >= SCLK * 2 in YUV, >= SCLK in Raw or JPEG 755aa288248SMaxime Ripard * 756aa288248SMaxime Ripard * In the two latter cases, these constraints are met since our 757aa288248SMaxime Ripard * factors are hardcoded. If we were to change that, we would need to 758aa288248SMaxime Ripard * take this into account. The only varying parts are the PLL 759aa288248SMaxime Ripard * multiplier and the system clock divider, which are shared between 760aa288248SMaxime Ripard * all these clocks so won't cause any issue. 761aa288248SMaxime Ripard */ 762aa288248SMaxime Ripard 763aa288248SMaxime Ripard /* 764aa288248SMaxime Ripard * This is supposed to be ranging from 1 to 8, but the value is always 765aa288248SMaxime Ripard * set to 3 in the vendor kernels. 766aa288248SMaxime Ripard */ 767aa288248SMaxime Ripard #define OV5640_PLL_PREDIV 3 768aa288248SMaxime Ripard 769aa288248SMaxime Ripard #define OV5640_PLL_MULT_MIN 4 770aa288248SMaxime Ripard #define OV5640_PLL_MULT_MAX 252 771aa288248SMaxime Ripard 772aa288248SMaxime Ripard /* 773aa288248SMaxime Ripard * This is supposed to be ranging from 1 to 16, but the value is 774aa288248SMaxime Ripard * always set to either 1 or 2 in the vendor kernels. 775aa288248SMaxime Ripard */ 776aa288248SMaxime Ripard #define OV5640_SYSDIV_MIN 1 777aa288248SMaxime Ripard #define OV5640_SYSDIV_MAX 16 778aa288248SMaxime Ripard 779aa288248SMaxime Ripard /* 780aa288248SMaxime Ripard * Hardcode these values for scaler and non-scaler modes. 781aa288248SMaxime Ripard * FIXME: to be re-calcualted for 1 data lanes setups 782aa288248SMaxime Ripard */ 783aa288248SMaxime Ripard #define OV5640_MIPI_DIV_PCLK 2 784aa288248SMaxime Ripard #define OV5640_MIPI_DIV_SCLK 1 785aa288248SMaxime Ripard 786aa288248SMaxime Ripard /* 787aa288248SMaxime Ripard * This is supposed to be ranging from 1 to 2, but the value is always 788aa288248SMaxime Ripard * set to 2 in the vendor kernels. 789aa288248SMaxime Ripard */ 790aa288248SMaxime Ripard #define OV5640_PLL_ROOT_DIV 2 791aa288248SMaxime Ripard #define OV5640_PLL_CTRL3_PLL_ROOT_DIV_2 BIT(4) 792aa288248SMaxime Ripard 793aa288248SMaxime Ripard /* 794aa288248SMaxime Ripard * We only supports 8-bit formats at the moment 795aa288248SMaxime Ripard */ 796aa288248SMaxime Ripard #define OV5640_BIT_DIV 2 797aa288248SMaxime Ripard #define OV5640_PLL_CTRL0_MIPI_MODE_8BIT 0x08 798aa288248SMaxime Ripard 799aa288248SMaxime Ripard /* 800aa288248SMaxime Ripard * This is supposed to be ranging from 1 to 8, but the value is always 801aa288248SMaxime Ripard * set to 2 in the vendor kernels. 802aa288248SMaxime Ripard */ 803aa288248SMaxime Ripard #define OV5640_SCLK_ROOT_DIV 2 804aa288248SMaxime Ripard 805aa288248SMaxime Ripard /* 806aa288248SMaxime Ripard * This is hardcoded so that the consistency is maintained between SCLK and 807aa288248SMaxime Ripard * SCLK 2x. 808aa288248SMaxime Ripard */ 809aa288248SMaxime Ripard #define OV5640_SCLK2X_ROOT_DIV (OV5640_SCLK_ROOT_DIV / 2) 810aa288248SMaxime Ripard 811aa288248SMaxime Ripard /* 812aa288248SMaxime Ripard * This is supposed to be ranging from 1 to 8, but the value is always 813aa288248SMaxime Ripard * set to 1 in the vendor kernels. 814aa288248SMaxime Ripard */ 815aa288248SMaxime Ripard #define OV5640_PCLK_ROOT_DIV 1 816aa288248SMaxime Ripard #define OV5640_PLL_SYS_ROOT_DIVIDER_BYPASS 0x00 817aa288248SMaxime Ripard 818aa288248SMaxime Ripard static unsigned long ov5640_compute_sys_clk(struct ov5640_dev *sensor, 819aa288248SMaxime Ripard u8 pll_prediv, u8 pll_mult, 820aa288248SMaxime Ripard u8 sysdiv) 821aa288248SMaxime Ripard { 822aa288248SMaxime Ripard unsigned long sysclk = sensor->xclk_freq / pll_prediv * pll_mult; 823aa288248SMaxime Ripard 824aa288248SMaxime Ripard /* PLL1 output cannot exceed 1GHz. */ 825aa288248SMaxime Ripard if (sysclk / 1000000 > 1000) 826aa288248SMaxime Ripard return 0; 827aa288248SMaxime Ripard 828aa288248SMaxime Ripard return sysclk / sysdiv; 829aa288248SMaxime Ripard } 830aa288248SMaxime Ripard 831aa288248SMaxime Ripard static unsigned long ov5640_calc_sys_clk(struct ov5640_dev *sensor, 832aa288248SMaxime Ripard unsigned long rate, 833aa288248SMaxime Ripard u8 *pll_prediv, u8 *pll_mult, 834aa288248SMaxime Ripard u8 *sysdiv) 835aa288248SMaxime Ripard { 836aa288248SMaxime Ripard unsigned long best = ~0; 837aa288248SMaxime Ripard u8 best_sysdiv = 1, best_mult = 1; 838aa288248SMaxime Ripard u8 _sysdiv, _pll_mult; 839aa288248SMaxime Ripard 840aa288248SMaxime Ripard for (_sysdiv = OV5640_SYSDIV_MIN; 841aa288248SMaxime Ripard _sysdiv <= OV5640_SYSDIV_MAX; 842aa288248SMaxime Ripard _sysdiv++) { 843aa288248SMaxime Ripard for (_pll_mult = OV5640_PLL_MULT_MIN; 844aa288248SMaxime Ripard _pll_mult <= OV5640_PLL_MULT_MAX; 845aa288248SMaxime Ripard _pll_mult++) { 846aa288248SMaxime Ripard unsigned long _rate; 847aa288248SMaxime Ripard 848aa288248SMaxime Ripard /* 849aa288248SMaxime Ripard * The PLL multiplier cannot be odd if above 850aa288248SMaxime Ripard * 127. 851aa288248SMaxime Ripard */ 852aa288248SMaxime Ripard if (_pll_mult > 127 && (_pll_mult % 2)) 853aa288248SMaxime Ripard continue; 854aa288248SMaxime Ripard 855aa288248SMaxime Ripard _rate = ov5640_compute_sys_clk(sensor, 856aa288248SMaxime Ripard OV5640_PLL_PREDIV, 857aa288248SMaxime Ripard _pll_mult, _sysdiv); 858aa288248SMaxime Ripard 859aa288248SMaxime Ripard /* 860aa288248SMaxime Ripard * We have reached the maximum allowed PLL1 output, 861aa288248SMaxime Ripard * increase sysdiv. 862aa288248SMaxime Ripard */ 863aa288248SMaxime Ripard if (!rate) 864aa288248SMaxime Ripard break; 865aa288248SMaxime Ripard 866aa288248SMaxime Ripard /* 867aa288248SMaxime Ripard * Prefer rates above the expected clock rate than 868aa288248SMaxime Ripard * below, even if that means being less precise. 869aa288248SMaxime Ripard */ 870aa288248SMaxime Ripard if (_rate < rate) 871aa288248SMaxime Ripard continue; 872aa288248SMaxime Ripard 873aa288248SMaxime Ripard if (abs(rate - _rate) < abs(rate - best)) { 874aa288248SMaxime Ripard best = _rate; 875aa288248SMaxime Ripard best_sysdiv = _sysdiv; 876aa288248SMaxime Ripard best_mult = _pll_mult; 877aa288248SMaxime Ripard } 878aa288248SMaxime Ripard 879aa288248SMaxime Ripard if (_rate == rate) 880aa288248SMaxime Ripard goto out; 881aa288248SMaxime Ripard } 882aa288248SMaxime Ripard } 883aa288248SMaxime Ripard 884aa288248SMaxime Ripard out: 885aa288248SMaxime Ripard *sysdiv = best_sysdiv; 886aa288248SMaxime Ripard *pll_prediv = OV5640_PLL_PREDIV; 887aa288248SMaxime Ripard *pll_mult = best_mult; 888aa288248SMaxime Ripard 889aa288248SMaxime Ripard return best; 890aa288248SMaxime Ripard } 891aa288248SMaxime Ripard 892aa288248SMaxime Ripard /* 893aa288248SMaxime Ripard * ov5640_set_mipi_pclk() - Calculate the clock tree configuration values 894aa288248SMaxime Ripard * for the MIPI CSI-2 output. 895aa288248SMaxime Ripard * 896aa288248SMaxime Ripard * @rate: The requested bandwidth per lane in bytes per second. 897aa288248SMaxime Ripard * 'Bandwidth Per Lane' is calculated as: 898aa288248SMaxime Ripard * bpl = HTOT * VTOT * FPS * bpp / num_lanes; 899aa288248SMaxime Ripard * 900aa288248SMaxime Ripard * This function use the requested bandwidth to calculate: 901aa288248SMaxime Ripard * - sample_rate = bpl / (bpp / num_lanes); 902aa288248SMaxime Ripard * = bpl / (PLL_RDIV * BIT_DIV * PCLK_DIV * MIPI_DIV / num_lanes); 903aa288248SMaxime Ripard * 904aa288248SMaxime Ripard * - mipi_sclk = bpl / MIPI_DIV / 2; ( / 2 is for CSI-2 DDR) 905aa288248SMaxime Ripard * 906aa288248SMaxime Ripard * with these fixed parameters: 907aa288248SMaxime Ripard * PLL_RDIV = 2; 908aa288248SMaxime Ripard * BIT_DIVIDER = 2; (MIPI_BIT_MODE == 8 ? 2 : 2,5); 909aa288248SMaxime Ripard * PCLK_DIV = 1; 910aa288248SMaxime Ripard * 911aa288248SMaxime Ripard * The MIPI clock generation differs for modes that use the scaler and modes 912aa288248SMaxime Ripard * that do not. In case the scaler is in use, the MIPI_SCLK generates the MIPI 913aa288248SMaxime Ripard * BIT CLk, and thus: 914aa288248SMaxime Ripard * 915aa288248SMaxime Ripard * - mipi_sclk = bpl / MIPI_DIV / 2; 916aa288248SMaxime Ripard * MIPI_DIV = 1; 917aa288248SMaxime Ripard * 918aa288248SMaxime Ripard * For modes that do not go through the scaler, the MIPI BIT CLOCK is generated 919aa288248SMaxime Ripard * from the pixel clock, and thus: 920aa288248SMaxime Ripard * 921aa288248SMaxime Ripard * - sample_rate = bpl / (bpp / num_lanes); 922aa288248SMaxime Ripard * = bpl / (2 * 2 * 1 * MIPI_DIV / num_lanes); 923aa288248SMaxime Ripard * = bpl / (4 * MIPI_DIV / num_lanes); 924aa288248SMaxime Ripard * - MIPI_DIV = bpp / (4 * num_lanes); 925aa288248SMaxime Ripard * 926aa288248SMaxime Ripard * FIXME: this have been tested with 16bpp and 2 lanes setup only. 927aa288248SMaxime Ripard * MIPI_DIV is fixed to value 2, but it -might- be changed according to the 928aa288248SMaxime Ripard * above formula for setups with 1 lane or image formats with different bpp. 929aa288248SMaxime Ripard * 930aa288248SMaxime Ripard * FIXME: this deviates from the sensor manual documentation which is quite 931aa288248SMaxime Ripard * thin on the MIPI clock tree generation part. 932aa288248SMaxime Ripard */ 933aa288248SMaxime Ripard static int ov5640_set_mipi_pclk(struct ov5640_dev *sensor, 934aa288248SMaxime Ripard unsigned long rate) 935aa288248SMaxime Ripard { 936aa288248SMaxime Ripard const struct ov5640_mode_info *mode = sensor->current_mode; 937aa288248SMaxime Ripard u8 prediv, mult, sysdiv; 938aa288248SMaxime Ripard u8 mipi_div; 939aa288248SMaxime Ripard int ret; 940aa288248SMaxime Ripard 941aa288248SMaxime Ripard /* 942aa288248SMaxime Ripard * 1280x720 is reported to use 'SUBSAMPLING' only, 943aa288248SMaxime Ripard * but according to the sensor manual it goes through the 944aa288248SMaxime Ripard * scaler before subsampling. 945aa288248SMaxime Ripard */ 946aa288248SMaxime Ripard if (mode->dn_mode == SCALING || 947aa288248SMaxime Ripard (mode->id == OV5640_MODE_720P_1280_720)) 948aa288248SMaxime Ripard mipi_div = OV5640_MIPI_DIV_SCLK; 949aa288248SMaxime Ripard else 950aa288248SMaxime Ripard mipi_div = OV5640_MIPI_DIV_PCLK; 951aa288248SMaxime Ripard 952aa288248SMaxime Ripard ov5640_calc_sys_clk(sensor, rate, &prediv, &mult, &sysdiv); 953aa288248SMaxime Ripard 954aa288248SMaxime Ripard ret = ov5640_mod_reg(sensor, OV5640_REG_SC_PLL_CTRL0, 955aa288248SMaxime Ripard 0x0f, OV5640_PLL_CTRL0_MIPI_MODE_8BIT); 956aa288248SMaxime Ripard 957aa288248SMaxime Ripard ret = ov5640_mod_reg(sensor, OV5640_REG_SC_PLL_CTRL1, 958aa288248SMaxime Ripard 0xff, sysdiv << 4 | mipi_div); 959aa288248SMaxime Ripard if (ret) 960aa288248SMaxime Ripard return ret; 961aa288248SMaxime Ripard 962aa288248SMaxime Ripard ret = ov5640_mod_reg(sensor, OV5640_REG_SC_PLL_CTRL2, 0xff, mult); 963aa288248SMaxime Ripard if (ret) 964aa288248SMaxime Ripard return ret; 965aa288248SMaxime Ripard 966aa288248SMaxime Ripard ret = ov5640_mod_reg(sensor, OV5640_REG_SC_PLL_CTRL3, 967aa288248SMaxime Ripard 0x1f, OV5640_PLL_CTRL3_PLL_ROOT_DIV_2 | prediv); 968aa288248SMaxime Ripard if (ret) 969aa288248SMaxime Ripard return ret; 970aa288248SMaxime Ripard 971aa288248SMaxime Ripard return ov5640_mod_reg(sensor, OV5640_REG_SYS_ROOT_DIVIDER, 972aa288248SMaxime Ripard 0x30, OV5640_PLL_SYS_ROOT_DIVIDER_BYPASS); 973aa288248SMaxime Ripard } 974aa288248SMaxime Ripard 975aa288248SMaxime Ripard static unsigned long ov5640_calc_pclk(struct ov5640_dev *sensor, 976aa288248SMaxime Ripard unsigned long rate, 977aa288248SMaxime Ripard u8 *pll_prediv, u8 *pll_mult, u8 *sysdiv, 978aa288248SMaxime Ripard u8 *pll_rdiv, u8 *bit_div, u8 *pclk_div) 979aa288248SMaxime Ripard { 980aa288248SMaxime Ripard unsigned long _rate = rate * OV5640_PLL_ROOT_DIV * OV5640_BIT_DIV * 981aa288248SMaxime Ripard OV5640_PCLK_ROOT_DIV; 982aa288248SMaxime Ripard 983aa288248SMaxime Ripard _rate = ov5640_calc_sys_clk(sensor, _rate, pll_prediv, pll_mult, 984aa288248SMaxime Ripard sysdiv); 985aa288248SMaxime Ripard *pll_rdiv = OV5640_PLL_ROOT_DIV; 986aa288248SMaxime Ripard *bit_div = OV5640_BIT_DIV; 987aa288248SMaxime Ripard *pclk_div = OV5640_PCLK_ROOT_DIV; 988aa288248SMaxime Ripard 989aa288248SMaxime Ripard return _rate / *pll_rdiv / *bit_div / *pclk_div; 990aa288248SMaxime Ripard } 991aa288248SMaxime Ripard 992aa288248SMaxime Ripard static int ov5640_set_dvp_pclk(struct ov5640_dev *sensor, unsigned long rate) 993aa288248SMaxime Ripard { 994aa288248SMaxime Ripard u8 prediv, mult, sysdiv, pll_rdiv, bit_div, pclk_div; 995aa288248SMaxime Ripard int ret; 996aa288248SMaxime Ripard 997aa288248SMaxime Ripard ov5640_calc_pclk(sensor, rate, &prediv, &mult, &sysdiv, &pll_rdiv, 998aa288248SMaxime Ripard &bit_div, &pclk_div); 999aa288248SMaxime Ripard 1000aa288248SMaxime Ripard if (bit_div == 2) 1001aa288248SMaxime Ripard bit_div = 8; 1002aa288248SMaxime Ripard 1003aa288248SMaxime Ripard ret = ov5640_mod_reg(sensor, OV5640_REG_SC_PLL_CTRL0, 1004aa288248SMaxime Ripard 0x0f, bit_div); 1005aa288248SMaxime Ripard if (ret) 1006aa288248SMaxime Ripard return ret; 1007aa288248SMaxime Ripard 1008aa288248SMaxime Ripard /* 1009aa288248SMaxime Ripard * We need to set sysdiv according to the clock, and to clear 1010aa288248SMaxime Ripard * the MIPI divider. 1011aa288248SMaxime Ripard */ 1012aa288248SMaxime Ripard ret = ov5640_mod_reg(sensor, OV5640_REG_SC_PLL_CTRL1, 1013aa288248SMaxime Ripard 0xff, sysdiv << 4); 1014aa288248SMaxime Ripard if (ret) 1015aa288248SMaxime Ripard return ret; 1016aa288248SMaxime Ripard 1017aa288248SMaxime Ripard ret = ov5640_mod_reg(sensor, OV5640_REG_SC_PLL_CTRL2, 1018aa288248SMaxime Ripard 0xff, mult); 1019aa288248SMaxime Ripard if (ret) 1020aa288248SMaxime Ripard return ret; 1021aa288248SMaxime Ripard 1022aa288248SMaxime Ripard ret = ov5640_mod_reg(sensor, OV5640_REG_SC_PLL_CTRL3, 1023aa288248SMaxime Ripard 0x1f, prediv | ((pll_rdiv - 1) << 4)); 1024aa288248SMaxime Ripard if (ret) 1025aa288248SMaxime Ripard return ret; 1026aa288248SMaxime Ripard 1027aa288248SMaxime Ripard return ov5640_mod_reg(sensor, OV5640_REG_SYS_ROOT_DIVIDER, 0x30, 1028aa288248SMaxime Ripard (ilog2(pclk_div) << 4)); 1029aa288248SMaxime Ripard } 1030aa288248SMaxime Ripard 103119a81c14SSteve Longerbeam /* download ov5640 settings to sensor through i2c */ 1032bad1774eSJacopo Mondi static int ov5640_set_timings(struct ov5640_dev *sensor, 1033bad1774eSJacopo Mondi const struct ov5640_mode_info *mode) 1034bad1774eSJacopo Mondi { 1035bad1774eSJacopo Mondi int ret; 1036bad1774eSJacopo Mondi 1037bad1774eSJacopo Mondi ret = ov5640_write_reg16(sensor, OV5640_REG_TIMING_DVPHO, mode->hact); 1038bad1774eSJacopo Mondi if (ret < 0) 1039bad1774eSJacopo Mondi return ret; 1040bad1774eSJacopo Mondi 1041bad1774eSJacopo Mondi ret = ov5640_write_reg16(sensor, OV5640_REG_TIMING_DVPVO, mode->vact); 1042bad1774eSJacopo Mondi if (ret < 0) 1043bad1774eSJacopo Mondi return ret; 1044bad1774eSJacopo Mondi 1045bad1774eSJacopo Mondi ret = ov5640_write_reg16(sensor, OV5640_REG_TIMING_HTS, mode->htot); 1046bad1774eSJacopo Mondi if (ret < 0) 1047bad1774eSJacopo Mondi return ret; 1048bad1774eSJacopo Mondi 1049bad1774eSJacopo Mondi return ov5640_write_reg16(sensor, OV5640_REG_TIMING_VTS, mode->vtot); 1050bad1774eSJacopo Mondi } 1051bad1774eSJacopo Mondi 105219a81c14SSteve Longerbeam static int ov5640_load_regs(struct ov5640_dev *sensor, 105319a81c14SSteve Longerbeam const struct ov5640_mode_info *mode) 105419a81c14SSteve Longerbeam { 105519a81c14SSteve Longerbeam const struct reg_value *regs = mode->reg_data; 105619a81c14SSteve Longerbeam unsigned int i; 105719a81c14SSteve Longerbeam u32 delay_ms; 105819a81c14SSteve Longerbeam u16 reg_addr; 105919a81c14SSteve Longerbeam u8 mask, val; 106019a81c14SSteve Longerbeam int ret = 0; 106119a81c14SSteve Longerbeam 106219a81c14SSteve Longerbeam for (i = 0; i < mode->reg_data_size; ++i, ++regs) { 106319a81c14SSteve Longerbeam delay_ms = regs->delay_ms; 106419a81c14SSteve Longerbeam reg_addr = regs->reg_addr; 106519a81c14SSteve Longerbeam val = regs->val; 106619a81c14SSteve Longerbeam mask = regs->mask; 106719a81c14SSteve Longerbeam 106819a81c14SSteve Longerbeam if (mask) 106919a81c14SSteve Longerbeam ret = ov5640_mod_reg(sensor, reg_addr, mask, val); 107019a81c14SSteve Longerbeam else 107119a81c14SSteve Longerbeam ret = ov5640_write_reg(sensor, reg_addr, val); 107219a81c14SSteve Longerbeam if (ret) 107319a81c14SSteve Longerbeam break; 107419a81c14SSteve Longerbeam 107519a81c14SSteve Longerbeam if (delay_ms) 107619a81c14SSteve Longerbeam usleep_range(1000 * delay_ms, 1000 * delay_ms + 100); 107719a81c14SSteve Longerbeam } 107819a81c14SSteve Longerbeam 1079bad1774eSJacopo Mondi return ov5640_set_timings(sensor, mode); 108019a81c14SSteve Longerbeam } 108119a81c14SSteve Longerbeam 1082dc29a1c1SHugues Fruchet static int ov5640_set_autoexposure(struct ov5640_dev *sensor, bool on) 1083dc29a1c1SHugues Fruchet { 1084dc29a1c1SHugues Fruchet return ov5640_mod_reg(sensor, OV5640_REG_AEC_PK_MANUAL, 1085dc29a1c1SHugues Fruchet BIT(0), on ? 0 : BIT(0)); 1086dc29a1c1SHugues Fruchet } 1087dc29a1c1SHugues Fruchet 108819a81c14SSteve Longerbeam /* read exposure, in number of line periods */ 108919a81c14SSteve Longerbeam static int ov5640_get_exposure(struct ov5640_dev *sensor) 109019a81c14SSteve Longerbeam { 109119a81c14SSteve Longerbeam int exp, ret; 109219a81c14SSteve Longerbeam u8 temp; 109319a81c14SSteve Longerbeam 109419a81c14SSteve Longerbeam ret = ov5640_read_reg(sensor, OV5640_REG_AEC_PK_EXPOSURE_HI, &temp); 109519a81c14SSteve Longerbeam if (ret) 109619a81c14SSteve Longerbeam return ret; 109719a81c14SSteve Longerbeam exp = ((int)temp & 0x0f) << 16; 109819a81c14SSteve Longerbeam ret = ov5640_read_reg(sensor, OV5640_REG_AEC_PK_EXPOSURE_MED, &temp); 109919a81c14SSteve Longerbeam if (ret) 110019a81c14SSteve Longerbeam return ret; 110119a81c14SSteve Longerbeam exp |= ((int)temp << 8); 110219a81c14SSteve Longerbeam ret = ov5640_read_reg(sensor, OV5640_REG_AEC_PK_EXPOSURE_LO, &temp); 110319a81c14SSteve Longerbeam if (ret) 110419a81c14SSteve Longerbeam return ret; 110519a81c14SSteve Longerbeam exp |= (int)temp; 110619a81c14SSteve Longerbeam 110719a81c14SSteve Longerbeam return exp >> 4; 110819a81c14SSteve Longerbeam } 110919a81c14SSteve Longerbeam 111019a81c14SSteve Longerbeam /* write exposure, given number of line periods */ 111119a81c14SSteve Longerbeam static int ov5640_set_exposure(struct ov5640_dev *sensor, u32 exposure) 111219a81c14SSteve Longerbeam { 111319a81c14SSteve Longerbeam int ret; 111419a81c14SSteve Longerbeam 111519a81c14SSteve Longerbeam exposure <<= 4; 111619a81c14SSteve Longerbeam 111719a81c14SSteve Longerbeam ret = ov5640_write_reg(sensor, 111819a81c14SSteve Longerbeam OV5640_REG_AEC_PK_EXPOSURE_LO, 111919a81c14SSteve Longerbeam exposure & 0xff); 112019a81c14SSteve Longerbeam if (ret) 112119a81c14SSteve Longerbeam return ret; 112219a81c14SSteve Longerbeam ret = ov5640_write_reg(sensor, 112319a81c14SSteve Longerbeam OV5640_REG_AEC_PK_EXPOSURE_MED, 112419a81c14SSteve Longerbeam (exposure >> 8) & 0xff); 112519a81c14SSteve Longerbeam if (ret) 112619a81c14SSteve Longerbeam return ret; 112719a81c14SSteve Longerbeam return ov5640_write_reg(sensor, 112819a81c14SSteve Longerbeam OV5640_REG_AEC_PK_EXPOSURE_HI, 112919a81c14SSteve Longerbeam (exposure >> 16) & 0x0f); 113019a81c14SSteve Longerbeam } 113119a81c14SSteve Longerbeam 113219a81c14SSteve Longerbeam static int ov5640_get_gain(struct ov5640_dev *sensor) 113319a81c14SSteve Longerbeam { 113419a81c14SSteve Longerbeam u16 gain; 113519a81c14SSteve Longerbeam int ret; 113619a81c14SSteve Longerbeam 113719a81c14SSteve Longerbeam ret = ov5640_read_reg16(sensor, OV5640_REG_AEC_PK_REAL_GAIN, &gain); 113819a81c14SSteve Longerbeam if (ret) 113919a81c14SSteve Longerbeam return ret; 114019a81c14SSteve Longerbeam 114119a81c14SSteve Longerbeam return gain & 0x3ff; 114219a81c14SSteve Longerbeam } 114319a81c14SSteve Longerbeam 11443cca8ef5SHugues Fruchet static int ov5640_set_gain(struct ov5640_dev *sensor, int gain) 11453cca8ef5SHugues Fruchet { 11463cca8ef5SHugues Fruchet return ov5640_write_reg16(sensor, OV5640_REG_AEC_PK_REAL_GAIN, 11473cca8ef5SHugues Fruchet (u16)gain & 0x3ff); 11483cca8ef5SHugues Fruchet } 11493cca8ef5SHugues Fruchet 11503cca8ef5SHugues Fruchet static int ov5640_set_autogain(struct ov5640_dev *sensor, bool on) 11513cca8ef5SHugues Fruchet { 11523cca8ef5SHugues Fruchet return ov5640_mod_reg(sensor, OV5640_REG_AEC_PK_MANUAL, 11533cca8ef5SHugues Fruchet BIT(1), on ? 0 : BIT(1)); 11543cca8ef5SHugues Fruchet } 11553cca8ef5SHugues Fruchet 1156f22996dbSHugues Fruchet static int ov5640_set_stream_dvp(struct ov5640_dev *sensor, bool on) 1157f22996dbSHugues Fruchet { 1158f22996dbSHugues Fruchet int ret; 1159f22996dbSHugues Fruchet unsigned int flags = sensor->ep.bus.parallel.flags; 1160f22996dbSHugues Fruchet u8 pclk_pol = 0; 1161f22996dbSHugues Fruchet u8 hsync_pol = 0; 1162f22996dbSHugues Fruchet u8 vsync_pol = 0; 1163f22996dbSHugues Fruchet 1164f22996dbSHugues Fruchet /* 1165f22996dbSHugues Fruchet * Note about parallel port configuration. 1166f22996dbSHugues Fruchet * 1167f22996dbSHugues Fruchet * When configured in parallel mode, the OV5640 will 1168f22996dbSHugues Fruchet * output 10 bits data on DVP data lines [9:0]. 1169f22996dbSHugues Fruchet * If only 8 bits data are wanted, the 8 bits data lines 1170f22996dbSHugues Fruchet * of the camera interface must be physically connected 1171f22996dbSHugues Fruchet * on the DVP data lines [9:2]. 1172f22996dbSHugues Fruchet * 1173f22996dbSHugues Fruchet * Control lines polarity can be configured through 1174f22996dbSHugues Fruchet * devicetree endpoint control lines properties. 1175f22996dbSHugues Fruchet * If no endpoint control lines properties are set, 1176f22996dbSHugues Fruchet * polarity will be as below: 1177f22996dbSHugues Fruchet * - VSYNC: active high 1178f22996dbSHugues Fruchet * - HREF: active low 1179f22996dbSHugues Fruchet * - PCLK: active low 1180f22996dbSHugues Fruchet */ 1181f22996dbSHugues Fruchet 1182f22996dbSHugues Fruchet if (on) { 1183f22996dbSHugues Fruchet /* 1184f22996dbSHugues Fruchet * configure parallel port control lines polarity 1185f22996dbSHugues Fruchet * 1186f22996dbSHugues Fruchet * POLARITY CTRL0 1187f22996dbSHugues Fruchet * - [5]: PCLK polarity (0: active low, 1: active high) 1188f22996dbSHugues Fruchet * - [1]: HREF polarity (0: active low, 1: active high) 1189f22996dbSHugues Fruchet * - [0]: VSYNC polarity (mismatch here between 1190f22996dbSHugues Fruchet * datasheet and hardware, 0 is active high 1191f22996dbSHugues Fruchet * and 1 is active low...) 1192f22996dbSHugues Fruchet */ 1193f22996dbSHugues Fruchet if (flags & V4L2_MBUS_PCLK_SAMPLE_RISING) 1194f22996dbSHugues Fruchet pclk_pol = 1; 1195f22996dbSHugues Fruchet if (flags & V4L2_MBUS_HSYNC_ACTIVE_HIGH) 1196f22996dbSHugues Fruchet hsync_pol = 1; 1197f22996dbSHugues Fruchet if (flags & V4L2_MBUS_VSYNC_ACTIVE_LOW) 1198f22996dbSHugues Fruchet vsync_pol = 1; 1199f22996dbSHugues Fruchet 1200f22996dbSHugues Fruchet ret = ov5640_write_reg(sensor, 1201f22996dbSHugues Fruchet OV5640_REG_POLARITY_CTRL00, 1202f22996dbSHugues Fruchet (pclk_pol << 5) | 1203f22996dbSHugues Fruchet (hsync_pol << 1) | 1204f22996dbSHugues Fruchet vsync_pol); 1205f22996dbSHugues Fruchet 1206f22996dbSHugues Fruchet if (ret) 1207f22996dbSHugues Fruchet return ret; 1208f22996dbSHugues Fruchet } 1209f22996dbSHugues Fruchet 1210f22996dbSHugues Fruchet /* 1211f22996dbSHugues Fruchet * powerdown MIPI TX/RX PHY & disable MIPI 1212f22996dbSHugues Fruchet * 1213f22996dbSHugues Fruchet * MIPI CONTROL 00 1214f22996dbSHugues Fruchet * 4: PWDN PHY TX 1215f22996dbSHugues Fruchet * 3: PWDN PHY RX 1216f22996dbSHugues Fruchet * 2: MIPI enable 1217f22996dbSHugues Fruchet */ 1218f22996dbSHugues Fruchet ret = ov5640_write_reg(sensor, 1219f22996dbSHugues Fruchet OV5640_REG_IO_MIPI_CTRL00, on ? 0x18 : 0); 1220f22996dbSHugues Fruchet if (ret) 1221f22996dbSHugues Fruchet return ret; 1222f22996dbSHugues Fruchet 1223f22996dbSHugues Fruchet /* 1224f22996dbSHugues Fruchet * enable VSYNC/HREF/PCLK DVP control lines 1225f22996dbSHugues Fruchet * & D[9:6] DVP data lines 1226f22996dbSHugues Fruchet * 1227f22996dbSHugues Fruchet * PAD OUTPUT ENABLE 01 1228f22996dbSHugues Fruchet * - 6: VSYNC output enable 1229f22996dbSHugues Fruchet * - 5: HREF output enable 1230f22996dbSHugues Fruchet * - 4: PCLK output enable 1231f22996dbSHugues Fruchet * - [3:0]: D[9:6] output enable 1232f22996dbSHugues Fruchet */ 1233f22996dbSHugues Fruchet ret = ov5640_write_reg(sensor, 1234f22996dbSHugues Fruchet OV5640_REG_PAD_OUTPUT_ENABLE01, 1235f22996dbSHugues Fruchet on ? 0x7f : 0); 1236f22996dbSHugues Fruchet if (ret) 1237f22996dbSHugues Fruchet return ret; 1238f22996dbSHugues Fruchet 1239f22996dbSHugues Fruchet /* 1240f22996dbSHugues Fruchet * enable D[5:0] DVP data lines 1241f22996dbSHugues Fruchet * 1242f22996dbSHugues Fruchet * PAD OUTPUT ENABLE 02 1243f22996dbSHugues Fruchet * - [7:2]: D[5:0] output enable 1244f22996dbSHugues Fruchet */ 1245f22996dbSHugues Fruchet return ov5640_write_reg(sensor, 1246f22996dbSHugues Fruchet OV5640_REG_PAD_OUTPUT_ENABLE02, 1247f22996dbSHugues Fruchet on ? 0xfc : 0); 1248f22996dbSHugues Fruchet } 1249f22996dbSHugues Fruchet 1250f22996dbSHugues Fruchet static int ov5640_set_stream_mipi(struct ov5640_dev *sensor, bool on) 125119a81c14SSteve Longerbeam { 125219a81c14SSteve Longerbeam int ret; 125319a81c14SSteve Longerbeam 1254aa4bb8b8SJacopo Mondi /* 1255aa4bb8b8SJacopo Mondi * Enable/disable the MIPI interface 1256aa4bb8b8SJacopo Mondi * 1257aa4bb8b8SJacopo Mondi * 0x300e = on ? 0x45 : 0x40 1258aa4bb8b8SJacopo Mondi * 1259aa4bb8b8SJacopo Mondi * FIXME: the sensor manual (version 2.03) reports 1260aa4bb8b8SJacopo Mondi * [7:5] = 000 : 1 data lane mode 1261aa4bb8b8SJacopo Mondi * [7:5] = 001 : 2 data lanes mode 1262aa4bb8b8SJacopo Mondi * But this settings do not work, while the following ones 1263aa4bb8b8SJacopo Mondi * have been validated for 2 data lanes mode. 1264aa4bb8b8SJacopo Mondi * 1265aa4bb8b8SJacopo Mondi * [7:5] = 010 : 2 data lanes mode 1266aa4bb8b8SJacopo Mondi * [4] = 0 : Power up MIPI HS Tx 1267aa4bb8b8SJacopo Mondi * [3] = 0 : Power up MIPI LS Rx 1268aa4bb8b8SJacopo Mondi * [2] = 1/0 : MIPI interface enable/disable 1269aa4bb8b8SJacopo Mondi * [1:0] = 01/00: FIXME: 'debug' 1270aa4bb8b8SJacopo Mondi */ 1271aa4bb8b8SJacopo Mondi ret = ov5640_write_reg(sensor, OV5640_REG_IO_MIPI_CTRL00, 1272aa4bb8b8SJacopo Mondi on ? 0x45 : 0x40); 127319a81c14SSteve Longerbeam if (ret) 127419a81c14SSteve Longerbeam return ret; 127519a81c14SSteve Longerbeam 127619a81c14SSteve Longerbeam return ov5640_write_reg(sensor, OV5640_REG_FRAME_CTRL01, 127719a81c14SSteve Longerbeam on ? 0x00 : 0x0f); 127819a81c14SSteve Longerbeam } 127919a81c14SSteve Longerbeam 128019a81c14SSteve Longerbeam static int ov5640_get_sysclk(struct ov5640_dev *sensor) 128119a81c14SSteve Longerbeam { 128219a81c14SSteve Longerbeam /* calculate sysclk */ 128319a81c14SSteve Longerbeam u32 xvclk = sensor->xclk_freq / 10000; 128419a81c14SSteve Longerbeam u32 multiplier, prediv, VCO, sysdiv, pll_rdiv; 128519a81c14SSteve Longerbeam u32 sclk_rdiv_map[] = {1, 2, 4, 8}; 128619a81c14SSteve Longerbeam u32 bit_div2x = 1, sclk_rdiv, sysclk; 128719a81c14SSteve Longerbeam u8 temp1, temp2; 128819a81c14SSteve Longerbeam int ret; 128919a81c14SSteve Longerbeam 129019a81c14SSteve Longerbeam ret = ov5640_read_reg(sensor, OV5640_REG_SC_PLL_CTRL0, &temp1); 129119a81c14SSteve Longerbeam if (ret) 129219a81c14SSteve Longerbeam return ret; 129319a81c14SSteve Longerbeam temp2 = temp1 & 0x0f; 129419a81c14SSteve Longerbeam if (temp2 == 8 || temp2 == 10) 129519a81c14SSteve Longerbeam bit_div2x = temp2 / 2; 129619a81c14SSteve Longerbeam 129719a81c14SSteve Longerbeam ret = ov5640_read_reg(sensor, OV5640_REG_SC_PLL_CTRL1, &temp1); 129819a81c14SSteve Longerbeam if (ret) 129919a81c14SSteve Longerbeam return ret; 130019a81c14SSteve Longerbeam sysdiv = temp1 >> 4; 130119a81c14SSteve Longerbeam if (sysdiv == 0) 130219a81c14SSteve Longerbeam sysdiv = 16; 130319a81c14SSteve Longerbeam 130419a81c14SSteve Longerbeam ret = ov5640_read_reg(sensor, OV5640_REG_SC_PLL_CTRL2, &temp1); 130519a81c14SSteve Longerbeam if (ret) 130619a81c14SSteve Longerbeam return ret; 130719a81c14SSteve Longerbeam multiplier = temp1; 130819a81c14SSteve Longerbeam 130919a81c14SSteve Longerbeam ret = ov5640_read_reg(sensor, OV5640_REG_SC_PLL_CTRL3, &temp1); 131019a81c14SSteve Longerbeam if (ret) 131119a81c14SSteve Longerbeam return ret; 131219a81c14SSteve Longerbeam prediv = temp1 & 0x0f; 131319a81c14SSteve Longerbeam pll_rdiv = ((temp1 >> 4) & 0x01) + 1; 131419a81c14SSteve Longerbeam 131519a81c14SSteve Longerbeam ret = ov5640_read_reg(sensor, OV5640_REG_SYS_ROOT_DIVIDER, &temp1); 131619a81c14SSteve Longerbeam if (ret) 131719a81c14SSteve Longerbeam return ret; 131819a81c14SSteve Longerbeam temp2 = temp1 & 0x03; 131919a81c14SSteve Longerbeam sclk_rdiv = sclk_rdiv_map[temp2]; 132019a81c14SSteve Longerbeam 132119a81c14SSteve Longerbeam if (!prediv || !sysdiv || !pll_rdiv || !bit_div2x) 132219a81c14SSteve Longerbeam return -EINVAL; 132319a81c14SSteve Longerbeam 132419a81c14SSteve Longerbeam VCO = xvclk * multiplier / prediv; 132519a81c14SSteve Longerbeam 132619a81c14SSteve Longerbeam sysclk = VCO / sysdiv / pll_rdiv * 2 / bit_div2x / sclk_rdiv; 132719a81c14SSteve Longerbeam 132819a81c14SSteve Longerbeam return sysclk; 132919a81c14SSteve Longerbeam } 133019a81c14SSteve Longerbeam 133119a81c14SSteve Longerbeam static int ov5640_set_night_mode(struct ov5640_dev *sensor) 133219a81c14SSteve Longerbeam { 133319a81c14SSteve Longerbeam /* read HTS from register settings */ 133419a81c14SSteve Longerbeam u8 mode; 133519a81c14SSteve Longerbeam int ret; 133619a81c14SSteve Longerbeam 133719a81c14SSteve Longerbeam ret = ov5640_read_reg(sensor, OV5640_REG_AEC_CTRL00, &mode); 133819a81c14SSteve Longerbeam if (ret) 133919a81c14SSteve Longerbeam return ret; 134019a81c14SSteve Longerbeam mode &= 0xfb; 134119a81c14SSteve Longerbeam return ov5640_write_reg(sensor, OV5640_REG_AEC_CTRL00, mode); 134219a81c14SSteve Longerbeam } 134319a81c14SSteve Longerbeam 134419a81c14SSteve Longerbeam static int ov5640_get_hts(struct ov5640_dev *sensor) 134519a81c14SSteve Longerbeam { 134619a81c14SSteve Longerbeam /* read HTS from register settings */ 134719a81c14SSteve Longerbeam u16 hts; 134819a81c14SSteve Longerbeam int ret; 134919a81c14SSteve Longerbeam 135019a81c14SSteve Longerbeam ret = ov5640_read_reg16(sensor, OV5640_REG_TIMING_HTS, &hts); 135119a81c14SSteve Longerbeam if (ret) 135219a81c14SSteve Longerbeam return ret; 135319a81c14SSteve Longerbeam return hts; 135419a81c14SSteve Longerbeam } 135519a81c14SSteve Longerbeam 135619a81c14SSteve Longerbeam static int ov5640_get_vts(struct ov5640_dev *sensor) 135719a81c14SSteve Longerbeam { 135819a81c14SSteve Longerbeam u16 vts; 135919a81c14SSteve Longerbeam int ret; 136019a81c14SSteve Longerbeam 136119a81c14SSteve Longerbeam ret = ov5640_read_reg16(sensor, OV5640_REG_TIMING_VTS, &vts); 136219a81c14SSteve Longerbeam if (ret) 136319a81c14SSteve Longerbeam return ret; 136419a81c14SSteve Longerbeam return vts; 136519a81c14SSteve Longerbeam } 136619a81c14SSteve Longerbeam 136719a81c14SSteve Longerbeam static int ov5640_set_vts(struct ov5640_dev *sensor, int vts) 136819a81c14SSteve Longerbeam { 136919a81c14SSteve Longerbeam return ov5640_write_reg16(sensor, OV5640_REG_TIMING_VTS, vts); 137019a81c14SSteve Longerbeam } 137119a81c14SSteve Longerbeam 137219a81c14SSteve Longerbeam static int ov5640_get_light_freq(struct ov5640_dev *sensor) 137319a81c14SSteve Longerbeam { 137419a81c14SSteve Longerbeam /* get banding filter value */ 137519a81c14SSteve Longerbeam int ret, light_freq = 0; 137619a81c14SSteve Longerbeam u8 temp, temp1; 137719a81c14SSteve Longerbeam 137819a81c14SSteve Longerbeam ret = ov5640_read_reg(sensor, OV5640_REG_HZ5060_CTRL01, &temp); 137919a81c14SSteve Longerbeam if (ret) 138019a81c14SSteve Longerbeam return ret; 138119a81c14SSteve Longerbeam 138219a81c14SSteve Longerbeam if (temp & 0x80) { 138319a81c14SSteve Longerbeam /* manual */ 138419a81c14SSteve Longerbeam ret = ov5640_read_reg(sensor, OV5640_REG_HZ5060_CTRL00, 138519a81c14SSteve Longerbeam &temp1); 138619a81c14SSteve Longerbeam if (ret) 138719a81c14SSteve Longerbeam return ret; 138819a81c14SSteve Longerbeam if (temp1 & 0x04) { 138919a81c14SSteve Longerbeam /* 50Hz */ 139019a81c14SSteve Longerbeam light_freq = 50; 139119a81c14SSteve Longerbeam } else { 139219a81c14SSteve Longerbeam /* 60Hz */ 139319a81c14SSteve Longerbeam light_freq = 60; 139419a81c14SSteve Longerbeam } 139519a81c14SSteve Longerbeam } else { 139619a81c14SSteve Longerbeam /* auto */ 139719a81c14SSteve Longerbeam ret = ov5640_read_reg(sensor, OV5640_REG_SIGMADELTA_CTRL0C, 139819a81c14SSteve Longerbeam &temp1); 139919a81c14SSteve Longerbeam if (ret) 140019a81c14SSteve Longerbeam return ret; 140119a81c14SSteve Longerbeam 140219a81c14SSteve Longerbeam if (temp1 & 0x01) { 140319a81c14SSteve Longerbeam /* 50Hz */ 140419a81c14SSteve Longerbeam light_freq = 50; 140519a81c14SSteve Longerbeam } else { 140619a81c14SSteve Longerbeam /* 60Hz */ 140719a81c14SSteve Longerbeam } 140819a81c14SSteve Longerbeam } 140919a81c14SSteve Longerbeam 141019a81c14SSteve Longerbeam return light_freq; 141119a81c14SSteve Longerbeam } 141219a81c14SSteve Longerbeam 141319a81c14SSteve Longerbeam static int ov5640_set_bandingfilter(struct ov5640_dev *sensor) 141419a81c14SSteve Longerbeam { 141519a81c14SSteve Longerbeam u32 band_step60, max_band60, band_step50, max_band50, prev_vts; 141619a81c14SSteve Longerbeam int ret; 141719a81c14SSteve Longerbeam 141819a81c14SSteve Longerbeam /* read preview PCLK */ 141919a81c14SSteve Longerbeam ret = ov5640_get_sysclk(sensor); 142019a81c14SSteve Longerbeam if (ret < 0) 142119a81c14SSteve Longerbeam return ret; 142219a81c14SSteve Longerbeam if (ret == 0) 142319a81c14SSteve Longerbeam return -EINVAL; 142419a81c14SSteve Longerbeam sensor->prev_sysclk = ret; 142519a81c14SSteve Longerbeam /* read preview HTS */ 142619a81c14SSteve Longerbeam ret = ov5640_get_hts(sensor); 142719a81c14SSteve Longerbeam if (ret < 0) 142819a81c14SSteve Longerbeam return ret; 142919a81c14SSteve Longerbeam if (ret == 0) 143019a81c14SSteve Longerbeam return -EINVAL; 143119a81c14SSteve Longerbeam sensor->prev_hts = ret; 143219a81c14SSteve Longerbeam 143319a81c14SSteve Longerbeam /* read preview VTS */ 143419a81c14SSteve Longerbeam ret = ov5640_get_vts(sensor); 143519a81c14SSteve Longerbeam if (ret < 0) 143619a81c14SSteve Longerbeam return ret; 143719a81c14SSteve Longerbeam prev_vts = ret; 143819a81c14SSteve Longerbeam 143919a81c14SSteve Longerbeam /* calculate banding filter */ 144019a81c14SSteve Longerbeam /* 60Hz */ 144119a81c14SSteve Longerbeam band_step60 = sensor->prev_sysclk * 100 / sensor->prev_hts * 100 / 120; 144219a81c14SSteve Longerbeam ret = ov5640_write_reg16(sensor, OV5640_REG_AEC_B60_STEP, band_step60); 144319a81c14SSteve Longerbeam if (ret) 144419a81c14SSteve Longerbeam return ret; 144519a81c14SSteve Longerbeam if (!band_step60) 144619a81c14SSteve Longerbeam return -EINVAL; 144719a81c14SSteve Longerbeam max_band60 = (int)((prev_vts - 4) / band_step60); 144819a81c14SSteve Longerbeam ret = ov5640_write_reg(sensor, OV5640_REG_AEC_CTRL0D, max_band60); 144919a81c14SSteve Longerbeam if (ret) 145019a81c14SSteve Longerbeam return ret; 145119a81c14SSteve Longerbeam 145219a81c14SSteve Longerbeam /* 50Hz */ 145319a81c14SSteve Longerbeam band_step50 = sensor->prev_sysclk * 100 / sensor->prev_hts; 145419a81c14SSteve Longerbeam ret = ov5640_write_reg16(sensor, OV5640_REG_AEC_B50_STEP, band_step50); 145519a81c14SSteve Longerbeam if (ret) 145619a81c14SSteve Longerbeam return ret; 145719a81c14SSteve Longerbeam if (!band_step50) 145819a81c14SSteve Longerbeam return -EINVAL; 145919a81c14SSteve Longerbeam max_band50 = (int)((prev_vts - 4) / band_step50); 146019a81c14SSteve Longerbeam return ov5640_write_reg(sensor, OV5640_REG_AEC_CTRL0E, max_band50); 146119a81c14SSteve Longerbeam } 146219a81c14SSteve Longerbeam 146319a81c14SSteve Longerbeam static int ov5640_set_ae_target(struct ov5640_dev *sensor, int target) 146419a81c14SSteve Longerbeam { 146519a81c14SSteve Longerbeam /* stable in high */ 146619a81c14SSteve Longerbeam u32 fast_high, fast_low; 146719a81c14SSteve Longerbeam int ret; 146819a81c14SSteve Longerbeam 146919a81c14SSteve Longerbeam sensor->ae_low = target * 23 / 25; /* 0.92 */ 147019a81c14SSteve Longerbeam sensor->ae_high = target * 27 / 25; /* 1.08 */ 147119a81c14SSteve Longerbeam 147219a81c14SSteve Longerbeam fast_high = sensor->ae_high << 1; 147319a81c14SSteve Longerbeam if (fast_high > 255) 147419a81c14SSteve Longerbeam fast_high = 255; 147519a81c14SSteve Longerbeam 147619a81c14SSteve Longerbeam fast_low = sensor->ae_low >> 1; 147719a81c14SSteve Longerbeam 147819a81c14SSteve Longerbeam ret = ov5640_write_reg(sensor, OV5640_REG_AEC_CTRL0F, sensor->ae_high); 147919a81c14SSteve Longerbeam if (ret) 148019a81c14SSteve Longerbeam return ret; 148119a81c14SSteve Longerbeam ret = ov5640_write_reg(sensor, OV5640_REG_AEC_CTRL10, sensor->ae_low); 148219a81c14SSteve Longerbeam if (ret) 148319a81c14SSteve Longerbeam return ret; 148419a81c14SSteve Longerbeam ret = ov5640_write_reg(sensor, OV5640_REG_AEC_CTRL1B, sensor->ae_high); 148519a81c14SSteve Longerbeam if (ret) 148619a81c14SSteve Longerbeam return ret; 148719a81c14SSteve Longerbeam ret = ov5640_write_reg(sensor, OV5640_REG_AEC_CTRL1E, sensor->ae_low); 148819a81c14SSteve Longerbeam if (ret) 148919a81c14SSteve Longerbeam return ret; 149019a81c14SSteve Longerbeam ret = ov5640_write_reg(sensor, OV5640_REG_AEC_CTRL11, fast_high); 149119a81c14SSteve Longerbeam if (ret) 149219a81c14SSteve Longerbeam return ret; 149319a81c14SSteve Longerbeam return ov5640_write_reg(sensor, OV5640_REG_AEC_CTRL1F, fast_low); 149419a81c14SSteve Longerbeam } 149519a81c14SSteve Longerbeam 1496c2c3f42dSHugues Fruchet static int ov5640_get_binning(struct ov5640_dev *sensor) 149719a81c14SSteve Longerbeam { 149819a81c14SSteve Longerbeam u8 temp; 149919a81c14SSteve Longerbeam int ret; 150019a81c14SSteve Longerbeam 150119a81c14SSteve Longerbeam ret = ov5640_read_reg(sensor, OV5640_REG_TIMING_TC_REG21, &temp); 150219a81c14SSteve Longerbeam if (ret) 150319a81c14SSteve Longerbeam return ret; 1504c2c3f42dSHugues Fruchet 1505c2c3f42dSHugues Fruchet return temp & BIT(0); 150619a81c14SSteve Longerbeam } 150719a81c14SSteve Longerbeam 1508ce85705aSHugues Fruchet static int ov5640_set_binning(struct ov5640_dev *sensor, bool enable) 1509ce85705aSHugues Fruchet { 1510ce85705aSHugues Fruchet int ret; 1511ce85705aSHugues Fruchet 1512ce85705aSHugues Fruchet /* 1513ce85705aSHugues Fruchet * TIMING TC REG21: 1514ce85705aSHugues Fruchet * - [0]: Horizontal binning enable 1515ce85705aSHugues Fruchet */ 1516ce85705aSHugues Fruchet ret = ov5640_mod_reg(sensor, OV5640_REG_TIMING_TC_REG21, 1517ce85705aSHugues Fruchet BIT(0), enable ? BIT(0) : 0); 1518ce85705aSHugues Fruchet if (ret) 1519ce85705aSHugues Fruchet return ret; 1520ce85705aSHugues Fruchet /* 1521ce85705aSHugues Fruchet * TIMING TC REG20: 1522ce85705aSHugues Fruchet * - [0]: Undocumented, but hardcoded init sequences 1523ce85705aSHugues Fruchet * are always setting REG21/REG20 bit 0 to same value... 1524ce85705aSHugues Fruchet */ 1525ce85705aSHugues Fruchet return ov5640_mod_reg(sensor, OV5640_REG_TIMING_TC_REG20, 1526ce85705aSHugues Fruchet BIT(0), enable ? BIT(0) : 0); 1527ce85705aSHugues Fruchet } 1528ce85705aSHugues Fruchet 152919a81c14SSteve Longerbeam static int ov5640_set_virtual_channel(struct ov5640_dev *sensor) 153019a81c14SSteve Longerbeam { 15318670d70aSHugues Fruchet struct i2c_client *client = sensor->i2c_client; 153219a81c14SSteve Longerbeam u8 temp, channel = virtual_channel; 153319a81c14SSteve Longerbeam int ret; 153419a81c14SSteve Longerbeam 15358670d70aSHugues Fruchet if (channel > 3) { 15368670d70aSHugues Fruchet dev_err(&client->dev, 15378670d70aSHugues Fruchet "%s: wrong virtual_channel parameter, expected (0..3), got %d\n", 15388670d70aSHugues Fruchet __func__, channel); 153919a81c14SSteve Longerbeam return -EINVAL; 15408670d70aSHugues Fruchet } 154119a81c14SSteve Longerbeam 154219a81c14SSteve Longerbeam ret = ov5640_read_reg(sensor, OV5640_REG_DEBUG_MODE, &temp); 154319a81c14SSteve Longerbeam if (ret) 154419a81c14SSteve Longerbeam return ret; 154519a81c14SSteve Longerbeam temp &= ~(3 << 6); 154619a81c14SSteve Longerbeam temp |= (channel << 6); 154719a81c14SSteve Longerbeam return ov5640_write_reg(sensor, OV5640_REG_DEBUG_MODE, temp); 154819a81c14SSteve Longerbeam } 154919a81c14SSteve Longerbeam 155019a81c14SSteve Longerbeam static const struct ov5640_mode_info * 155119a81c14SSteve Longerbeam ov5640_find_mode(struct ov5640_dev *sensor, enum ov5640_frame_rate fr, 155219a81c14SSteve Longerbeam int width, int height, bool nearest) 155319a81c14SSteve Longerbeam { 15543c4a7372SHugues Fruchet const struct ov5640_mode_info *mode; 155519a81c14SSteve Longerbeam 1556086c25f8SMaxime Ripard mode = v4l2_find_nearest_size(ov5640_mode_data, 1557086c25f8SMaxime Ripard ARRAY_SIZE(ov5640_mode_data), 15583c4a7372SHugues Fruchet hact, vact, 15593c4a7372SHugues Fruchet width, height); 156019a81c14SSteve Longerbeam 15613c4a7372SHugues Fruchet if (!mode || 15623c4a7372SHugues Fruchet (!nearest && (mode->hact != width || mode->vact != height))) 15633c4a7372SHugues Fruchet return NULL; 156419a81c14SSteve Longerbeam 156519a81c14SSteve Longerbeam return mode; 156619a81c14SSteve Longerbeam } 156719a81c14SSteve Longerbeam 156819a81c14SSteve Longerbeam /* 156919a81c14SSteve Longerbeam * sensor changes between scaling and subsampling, go through 157019a81c14SSteve Longerbeam * exposure calculation 157119a81c14SSteve Longerbeam */ 157241d8d7f5SHugues Fruchet static int ov5640_set_mode_exposure_calc(struct ov5640_dev *sensor, 157341d8d7f5SHugues Fruchet const struct ov5640_mode_info *mode) 157419a81c14SSteve Longerbeam { 157519a81c14SSteve Longerbeam u32 prev_shutter, prev_gain16; 157619a81c14SSteve Longerbeam u32 cap_shutter, cap_gain16; 157719a81c14SSteve Longerbeam u32 cap_sysclk, cap_hts, cap_vts; 157819a81c14SSteve Longerbeam u32 light_freq, cap_bandfilt, cap_maxband; 157919a81c14SSteve Longerbeam u32 cap_gain16_shutter; 158019a81c14SSteve Longerbeam u8 average; 158119a81c14SSteve Longerbeam int ret; 158219a81c14SSteve Longerbeam 158341d8d7f5SHugues Fruchet if (!mode->reg_data) 158419a81c14SSteve Longerbeam return -EINVAL; 158519a81c14SSteve Longerbeam 158619a81c14SSteve Longerbeam /* read preview shutter */ 158719a81c14SSteve Longerbeam ret = ov5640_get_exposure(sensor); 158819a81c14SSteve Longerbeam if (ret < 0) 158919a81c14SSteve Longerbeam return ret; 159019a81c14SSteve Longerbeam prev_shutter = ret; 1591c2c3f42dSHugues Fruchet ret = ov5640_get_binning(sensor); 159219a81c14SSteve Longerbeam if (ret < 0) 159319a81c14SSteve Longerbeam return ret; 159419a81c14SSteve Longerbeam if (ret && mode->id != OV5640_MODE_720P_1280_720 && 159519a81c14SSteve Longerbeam mode->id != OV5640_MODE_1080P_1920_1080) 159619a81c14SSteve Longerbeam prev_shutter *= 2; 159719a81c14SSteve Longerbeam 159819a81c14SSteve Longerbeam /* read preview gain */ 159919a81c14SSteve Longerbeam ret = ov5640_get_gain(sensor); 160019a81c14SSteve Longerbeam if (ret < 0) 160119a81c14SSteve Longerbeam return ret; 160219a81c14SSteve Longerbeam prev_gain16 = ret; 160319a81c14SSteve Longerbeam 160419a81c14SSteve Longerbeam /* get average */ 160519a81c14SSteve Longerbeam ret = ov5640_read_reg(sensor, OV5640_REG_AVG_READOUT, &average); 160619a81c14SSteve Longerbeam if (ret) 160719a81c14SSteve Longerbeam return ret; 160819a81c14SSteve Longerbeam 160919a81c14SSteve Longerbeam /* turn off night mode for capture */ 161019a81c14SSteve Longerbeam ret = ov5640_set_night_mode(sensor); 161119a81c14SSteve Longerbeam if (ret < 0) 161219a81c14SSteve Longerbeam return ret; 161319a81c14SSteve Longerbeam 161419a81c14SSteve Longerbeam /* Write capture setting */ 161519a81c14SSteve Longerbeam ret = ov5640_load_regs(sensor, mode); 161619a81c14SSteve Longerbeam if (ret < 0) 161719a81c14SSteve Longerbeam return ret; 161819a81c14SSteve Longerbeam 161919a81c14SSteve Longerbeam /* read capture VTS */ 162019a81c14SSteve Longerbeam ret = ov5640_get_vts(sensor); 162119a81c14SSteve Longerbeam if (ret < 0) 162219a81c14SSteve Longerbeam return ret; 162319a81c14SSteve Longerbeam cap_vts = ret; 162419a81c14SSteve Longerbeam ret = ov5640_get_hts(sensor); 162519a81c14SSteve Longerbeam if (ret < 0) 162619a81c14SSteve Longerbeam return ret; 162719a81c14SSteve Longerbeam if (ret == 0) 162819a81c14SSteve Longerbeam return -EINVAL; 162919a81c14SSteve Longerbeam cap_hts = ret; 163019a81c14SSteve Longerbeam 163119a81c14SSteve Longerbeam ret = ov5640_get_sysclk(sensor); 163219a81c14SSteve Longerbeam if (ret < 0) 163319a81c14SSteve Longerbeam return ret; 163419a81c14SSteve Longerbeam if (ret == 0) 163519a81c14SSteve Longerbeam return -EINVAL; 163619a81c14SSteve Longerbeam cap_sysclk = ret; 163719a81c14SSteve Longerbeam 163819a81c14SSteve Longerbeam /* calculate capture banding filter */ 163919a81c14SSteve Longerbeam ret = ov5640_get_light_freq(sensor); 164019a81c14SSteve Longerbeam if (ret < 0) 164119a81c14SSteve Longerbeam return ret; 164219a81c14SSteve Longerbeam light_freq = ret; 164319a81c14SSteve Longerbeam 164419a81c14SSteve Longerbeam if (light_freq == 60) { 164519a81c14SSteve Longerbeam /* 60Hz */ 164619a81c14SSteve Longerbeam cap_bandfilt = cap_sysclk * 100 / cap_hts * 100 / 120; 164719a81c14SSteve Longerbeam } else { 164819a81c14SSteve Longerbeam /* 50Hz */ 164919a81c14SSteve Longerbeam cap_bandfilt = cap_sysclk * 100 / cap_hts; 165019a81c14SSteve Longerbeam } 165119a81c14SSteve Longerbeam 165219a81c14SSteve Longerbeam if (!sensor->prev_sysclk) { 165319a81c14SSteve Longerbeam ret = ov5640_get_sysclk(sensor); 165419a81c14SSteve Longerbeam if (ret < 0) 165519a81c14SSteve Longerbeam return ret; 165619a81c14SSteve Longerbeam if (ret == 0) 165719a81c14SSteve Longerbeam return -EINVAL; 165819a81c14SSteve Longerbeam sensor->prev_sysclk = ret; 165919a81c14SSteve Longerbeam } 166019a81c14SSteve Longerbeam 166119a81c14SSteve Longerbeam if (!cap_bandfilt) 166219a81c14SSteve Longerbeam return -EINVAL; 166319a81c14SSteve Longerbeam 166419a81c14SSteve Longerbeam cap_maxband = (int)((cap_vts - 4) / cap_bandfilt); 166519a81c14SSteve Longerbeam 166619a81c14SSteve Longerbeam /* calculate capture shutter/gain16 */ 166719a81c14SSteve Longerbeam if (average > sensor->ae_low && average < sensor->ae_high) { 166819a81c14SSteve Longerbeam /* in stable range */ 166919a81c14SSteve Longerbeam cap_gain16_shutter = 167019a81c14SSteve Longerbeam prev_gain16 * prev_shutter * 167119a81c14SSteve Longerbeam cap_sysclk / sensor->prev_sysclk * 167219a81c14SSteve Longerbeam sensor->prev_hts / cap_hts * 167319a81c14SSteve Longerbeam sensor->ae_target / average; 167419a81c14SSteve Longerbeam } else { 167519a81c14SSteve Longerbeam cap_gain16_shutter = 167619a81c14SSteve Longerbeam prev_gain16 * prev_shutter * 167719a81c14SSteve Longerbeam cap_sysclk / sensor->prev_sysclk * 167819a81c14SSteve Longerbeam sensor->prev_hts / cap_hts; 167919a81c14SSteve Longerbeam } 168019a81c14SSteve Longerbeam 168119a81c14SSteve Longerbeam /* gain to shutter */ 168219a81c14SSteve Longerbeam if (cap_gain16_shutter < (cap_bandfilt * 16)) { 168319a81c14SSteve Longerbeam /* shutter < 1/100 */ 168419a81c14SSteve Longerbeam cap_shutter = cap_gain16_shutter / 16; 168519a81c14SSteve Longerbeam if (cap_shutter < 1) 168619a81c14SSteve Longerbeam cap_shutter = 1; 168719a81c14SSteve Longerbeam 168819a81c14SSteve Longerbeam cap_gain16 = cap_gain16_shutter / cap_shutter; 168919a81c14SSteve Longerbeam if (cap_gain16 < 16) 169019a81c14SSteve Longerbeam cap_gain16 = 16; 169119a81c14SSteve Longerbeam } else { 169219a81c14SSteve Longerbeam if (cap_gain16_shutter > (cap_bandfilt * cap_maxband * 16)) { 169319a81c14SSteve Longerbeam /* exposure reach max */ 169419a81c14SSteve Longerbeam cap_shutter = cap_bandfilt * cap_maxband; 169519a81c14SSteve Longerbeam if (!cap_shutter) 169619a81c14SSteve Longerbeam return -EINVAL; 169719a81c14SSteve Longerbeam 169819a81c14SSteve Longerbeam cap_gain16 = cap_gain16_shutter / cap_shutter; 169919a81c14SSteve Longerbeam } else { 170019a81c14SSteve Longerbeam /* 1/100 < (cap_shutter = n/100) =< max */ 170119a81c14SSteve Longerbeam cap_shutter = 170219a81c14SSteve Longerbeam ((int)(cap_gain16_shutter / 16 / cap_bandfilt)) 170319a81c14SSteve Longerbeam * cap_bandfilt; 170419a81c14SSteve Longerbeam if (!cap_shutter) 170519a81c14SSteve Longerbeam return -EINVAL; 170619a81c14SSteve Longerbeam 170719a81c14SSteve Longerbeam cap_gain16 = cap_gain16_shutter / cap_shutter; 170819a81c14SSteve Longerbeam } 170919a81c14SSteve Longerbeam } 171019a81c14SSteve Longerbeam 171119a81c14SSteve Longerbeam /* set capture gain */ 17123cca8ef5SHugues Fruchet ret = ov5640_set_gain(sensor, cap_gain16); 171319a81c14SSteve Longerbeam if (ret) 171419a81c14SSteve Longerbeam return ret; 171519a81c14SSteve Longerbeam 171619a81c14SSteve Longerbeam /* write capture shutter */ 171719a81c14SSteve Longerbeam if (cap_shutter > (cap_vts - 4)) { 171819a81c14SSteve Longerbeam cap_vts = cap_shutter + 4; 171919a81c14SSteve Longerbeam ret = ov5640_set_vts(sensor, cap_vts); 172019a81c14SSteve Longerbeam if (ret < 0) 172119a81c14SSteve Longerbeam return ret; 172219a81c14SSteve Longerbeam } 172319a81c14SSteve Longerbeam 172419a81c14SSteve Longerbeam /* set exposure */ 17253cca8ef5SHugues Fruchet return ov5640_set_exposure(sensor, cap_shutter); 172619a81c14SSteve Longerbeam } 172719a81c14SSteve Longerbeam 172819a81c14SSteve Longerbeam /* 172919a81c14SSteve Longerbeam * if sensor changes inside scaling or subsampling 173019a81c14SSteve Longerbeam * change mode directly 173119a81c14SSteve Longerbeam */ 173219a81c14SSteve Longerbeam static int ov5640_set_mode_direct(struct ov5640_dev *sensor, 17333cca8ef5SHugues Fruchet const struct ov5640_mode_info *mode) 173419a81c14SSteve Longerbeam { 173541d8d7f5SHugues Fruchet if (!mode->reg_data) 173619a81c14SSteve Longerbeam return -EINVAL; 173719a81c14SSteve Longerbeam 173819a81c14SSteve Longerbeam /* Write capture setting */ 17393cca8ef5SHugues Fruchet return ov5640_load_regs(sensor, mode); 174019a81c14SSteve Longerbeam } 174119a81c14SSteve Longerbeam 1742985cdcb0SHugues Fruchet static int ov5640_set_mode(struct ov5640_dev *sensor) 174319a81c14SSteve Longerbeam { 174419a81c14SSteve Longerbeam const struct ov5640_mode_info *mode = sensor->current_mode; 1745985cdcb0SHugues Fruchet const struct ov5640_mode_info *orig_mode = sensor->last_mode; 174619a81c14SSteve Longerbeam enum ov5640_downsize_mode dn_mode, orig_dn_mode; 17473cca8ef5SHugues Fruchet bool auto_gain = sensor->ctrls.auto_gain->val == 1; 1748dc29a1c1SHugues Fruchet bool auto_exp = sensor->ctrls.auto_exp->val == V4L2_EXPOSURE_AUTO; 1749aa288248SMaxime Ripard unsigned long rate; 175019a81c14SSteve Longerbeam int ret; 175119a81c14SSteve Longerbeam 175219a81c14SSteve Longerbeam dn_mode = mode->dn_mode; 175319a81c14SSteve Longerbeam orig_dn_mode = orig_mode->dn_mode; 175419a81c14SSteve Longerbeam 175519a81c14SSteve Longerbeam /* auto gain and exposure must be turned off when changing modes */ 17563cca8ef5SHugues Fruchet if (auto_gain) { 17573cca8ef5SHugues Fruchet ret = ov5640_set_autogain(sensor, false); 175819a81c14SSteve Longerbeam if (ret) 175919a81c14SSteve Longerbeam return ret; 17603cca8ef5SHugues Fruchet } 1761bf4a4b51SMaxime Ripard 17623cca8ef5SHugues Fruchet if (auto_exp) { 1763dc29a1c1SHugues Fruchet ret = ov5640_set_autoexposure(sensor, false); 176419a81c14SSteve Longerbeam if (ret) 17653cca8ef5SHugues Fruchet goto restore_auto_gain; 17663cca8ef5SHugues Fruchet } 176719a81c14SSteve Longerbeam 1768aa288248SMaxime Ripard /* 1769aa288248SMaxime Ripard * All the formats we support have 16 bits per pixel, seems to require 1770aa288248SMaxime Ripard * the same rate than YUV, so we can just use 16 bpp all the time. 1771aa288248SMaxime Ripard */ 1772dfbfb7aaSMaxime Ripard rate = mode->vtot * mode->htot * 16; 1773dfbfb7aaSMaxime Ripard rate *= ov5640_framerates[sensor->current_fr]; 1774aa288248SMaxime Ripard if (sensor->ep.bus_type == V4L2_MBUS_CSI2_DPHY) { 1775aa288248SMaxime Ripard rate = rate / sensor->ep.bus.mipi_csi2.num_data_lanes; 1776aa288248SMaxime Ripard ret = ov5640_set_mipi_pclk(sensor, rate); 1777aa288248SMaxime Ripard } else { 1778aa288248SMaxime Ripard rate = rate / sensor->ep.bus.parallel.bus_width; 1779aa288248SMaxime Ripard ret = ov5640_set_dvp_pclk(sensor, rate); 1780aa288248SMaxime Ripard } 1781aa288248SMaxime Ripard 1782aa288248SMaxime Ripard if (ret < 0) 1783aa288248SMaxime Ripard return 0; 1784aa288248SMaxime Ripard 178519a81c14SSteve Longerbeam if ((dn_mode == SUBSAMPLING && orig_dn_mode == SCALING) || 178619a81c14SSteve Longerbeam (dn_mode == SCALING && orig_dn_mode == SUBSAMPLING)) { 178719a81c14SSteve Longerbeam /* 178819a81c14SSteve Longerbeam * change between subsampling and scaling 17893cca8ef5SHugues Fruchet * go through exposure calculation 179019a81c14SSteve Longerbeam */ 179119a81c14SSteve Longerbeam ret = ov5640_set_mode_exposure_calc(sensor, mode); 179219a81c14SSteve Longerbeam } else { 179319a81c14SSteve Longerbeam /* 179419a81c14SSteve Longerbeam * change inside subsampling or scaling 179519a81c14SSteve Longerbeam * download firmware directly 179619a81c14SSteve Longerbeam */ 17973cca8ef5SHugues Fruchet ret = ov5640_set_mode_direct(sensor, mode); 179819a81c14SSteve Longerbeam } 179919a81c14SSteve Longerbeam if (ret < 0) 18003cca8ef5SHugues Fruchet goto restore_auto_exp_gain; 18013cca8ef5SHugues Fruchet 18023cca8ef5SHugues Fruchet /* restore auto gain and exposure */ 18033cca8ef5SHugues Fruchet if (auto_gain) 18043cca8ef5SHugues Fruchet ov5640_set_autogain(sensor, true); 18053cca8ef5SHugues Fruchet if (auto_exp) 18063cca8ef5SHugues Fruchet ov5640_set_autoexposure(sensor, true); 180719a81c14SSteve Longerbeam 1808ce85705aSHugues Fruchet ret = ov5640_set_binning(sensor, dn_mode != SCALING); 1809ce85705aSHugues Fruchet if (ret < 0) 1810ce85705aSHugues Fruchet return ret; 181119a81c14SSteve Longerbeam ret = ov5640_set_ae_target(sensor, sensor->ae_target); 181219a81c14SSteve Longerbeam if (ret < 0) 181319a81c14SSteve Longerbeam return ret; 181419a81c14SSteve Longerbeam ret = ov5640_get_light_freq(sensor); 181519a81c14SSteve Longerbeam if (ret < 0) 181619a81c14SSteve Longerbeam return ret; 181719a81c14SSteve Longerbeam ret = ov5640_set_bandingfilter(sensor); 181819a81c14SSteve Longerbeam if (ret < 0) 181919a81c14SSteve Longerbeam return ret; 182019a81c14SSteve Longerbeam ret = ov5640_set_virtual_channel(sensor); 182119a81c14SSteve Longerbeam if (ret < 0) 182219a81c14SSteve Longerbeam return ret; 182319a81c14SSteve Longerbeam 182419a81c14SSteve Longerbeam sensor->pending_mode_change = false; 1825985cdcb0SHugues Fruchet sensor->last_mode = mode; 182619a81c14SSteve Longerbeam 182719a81c14SSteve Longerbeam return 0; 18283cca8ef5SHugues Fruchet 18293cca8ef5SHugues Fruchet restore_auto_exp_gain: 18303cca8ef5SHugues Fruchet if (auto_exp) 18313cca8ef5SHugues Fruchet ov5640_set_autoexposure(sensor, true); 18323cca8ef5SHugues Fruchet restore_auto_gain: 18333cca8ef5SHugues Fruchet if (auto_gain) 18343cca8ef5SHugues Fruchet ov5640_set_autogain(sensor, true); 18353cca8ef5SHugues Fruchet 18363cca8ef5SHugues Fruchet return ret; 183719a81c14SSteve Longerbeam } 183819a81c14SSteve Longerbeam 183919ad26f9SAkinobu Mita static int ov5640_set_framefmt(struct ov5640_dev *sensor, 184019ad26f9SAkinobu Mita struct v4l2_mbus_framefmt *format); 184119ad26f9SAkinobu Mita 184219a81c14SSteve Longerbeam /* restore the last set video mode after chip power-on */ 184319a81c14SSteve Longerbeam static int ov5640_restore_mode(struct ov5640_dev *sensor) 184419a81c14SSteve Longerbeam { 184519a81c14SSteve Longerbeam int ret; 184619a81c14SSteve Longerbeam 184719a81c14SSteve Longerbeam /* first load the initial register values */ 184819a81c14SSteve Longerbeam ret = ov5640_load_regs(sensor, &ov5640_mode_init_data); 184919a81c14SSteve Longerbeam if (ret < 0) 185019a81c14SSteve Longerbeam return ret; 1851985cdcb0SHugues Fruchet sensor->last_mode = &ov5640_mode_init_data; 185219a81c14SSteve Longerbeam 18538f57c2f8SMaxime Ripard ret = ov5640_mod_reg(sensor, OV5640_REG_SYS_ROOT_DIVIDER, 0x3f, 18547851fe7aSMaxime Ripard (ilog2(OV5640_SCLK2X_ROOT_DIV) << 2) | 18557851fe7aSMaxime Ripard ilog2(OV5640_SCLK_ROOT_DIV)); 18568f57c2f8SMaxime Ripard if (ret) 18578f57c2f8SMaxime Ripard return ret; 18588f57c2f8SMaxime Ripard 185919a81c14SSteve Longerbeam /* now restore the last capture mode */ 1860985cdcb0SHugues Fruchet ret = ov5640_set_mode(sensor); 186119ad26f9SAkinobu Mita if (ret < 0) 186219ad26f9SAkinobu Mita return ret; 186319ad26f9SAkinobu Mita 186419ad26f9SAkinobu Mita return ov5640_set_framefmt(sensor, &sensor->fmt); 186519a81c14SSteve Longerbeam } 186619a81c14SSteve Longerbeam 186719a81c14SSteve Longerbeam static void ov5640_power(struct ov5640_dev *sensor, bool enable) 186819a81c14SSteve Longerbeam { 18691fddc5daSHugues Fruchet gpiod_set_value_cansleep(sensor->pwdn_gpio, enable ? 0 : 1); 187019a81c14SSteve Longerbeam } 187119a81c14SSteve Longerbeam 187219a81c14SSteve Longerbeam static void ov5640_reset(struct ov5640_dev *sensor) 187319a81c14SSteve Longerbeam { 187419a81c14SSteve Longerbeam if (!sensor->reset_gpio) 187519a81c14SSteve Longerbeam return; 187619a81c14SSteve Longerbeam 18771fddc5daSHugues Fruchet gpiod_set_value_cansleep(sensor->reset_gpio, 0); 187819a81c14SSteve Longerbeam 187919a81c14SSteve Longerbeam /* camera power cycle */ 188019a81c14SSteve Longerbeam ov5640_power(sensor, false); 188119a81c14SSteve Longerbeam usleep_range(5000, 10000); 188219a81c14SSteve Longerbeam ov5640_power(sensor, true); 188319a81c14SSteve Longerbeam usleep_range(5000, 10000); 188419a81c14SSteve Longerbeam 18851fddc5daSHugues Fruchet gpiod_set_value_cansleep(sensor->reset_gpio, 1); 188619a81c14SSteve Longerbeam usleep_range(1000, 2000); 188719a81c14SSteve Longerbeam 18881fddc5daSHugues Fruchet gpiod_set_value_cansleep(sensor->reset_gpio, 0); 188919a81c14SSteve Longerbeam usleep_range(5000, 10000); 189019a81c14SSteve Longerbeam } 189119a81c14SSteve Longerbeam 18920f7acb52SHugues Fruchet static int ov5640_set_power_on(struct ov5640_dev *sensor) 189319a81c14SSteve Longerbeam { 18940f7acb52SHugues Fruchet struct i2c_client *client = sensor->i2c_client; 18950f7acb52SHugues Fruchet int ret; 189619a81c14SSteve Longerbeam 18970f7acb52SHugues Fruchet ret = clk_prepare_enable(sensor->xclk); 18980f7acb52SHugues Fruchet if (ret) { 18990f7acb52SHugues Fruchet dev_err(&client->dev, "%s: failed to enable clock\n", 19000f7acb52SHugues Fruchet __func__); 19010f7acb52SHugues Fruchet return ret; 19020f7acb52SHugues Fruchet } 190319a81c14SSteve Longerbeam 190419a81c14SSteve Longerbeam ret = regulator_bulk_enable(OV5640_NUM_SUPPLIES, 190519a81c14SSteve Longerbeam sensor->supplies); 19060f7acb52SHugues Fruchet if (ret) { 19070f7acb52SHugues Fruchet dev_err(&client->dev, "%s: failed to enable regulators\n", 19080f7acb52SHugues Fruchet __func__); 190919a81c14SSteve Longerbeam goto xclk_off; 19100f7acb52SHugues Fruchet } 191119a81c14SSteve Longerbeam 191219a81c14SSteve Longerbeam ov5640_reset(sensor); 191319a81c14SSteve Longerbeam ov5640_power(sensor, true); 191419a81c14SSteve Longerbeam 191519a81c14SSteve Longerbeam ret = ov5640_init_slave_id(sensor); 191619a81c14SSteve Longerbeam if (ret) 191719a81c14SSteve Longerbeam goto power_off; 191819a81c14SSteve Longerbeam 19190f7acb52SHugues Fruchet return 0; 19200f7acb52SHugues Fruchet 19210f7acb52SHugues Fruchet power_off: 19220f7acb52SHugues Fruchet ov5640_power(sensor, false); 19230f7acb52SHugues Fruchet regulator_bulk_disable(OV5640_NUM_SUPPLIES, sensor->supplies); 19240f7acb52SHugues Fruchet xclk_off: 19250f7acb52SHugues Fruchet clk_disable_unprepare(sensor->xclk); 19260f7acb52SHugues Fruchet return ret; 19270f7acb52SHugues Fruchet } 19280f7acb52SHugues Fruchet 19290f7acb52SHugues Fruchet static void ov5640_set_power_off(struct ov5640_dev *sensor) 19300f7acb52SHugues Fruchet { 19310f7acb52SHugues Fruchet ov5640_power(sensor, false); 19320f7acb52SHugues Fruchet regulator_bulk_disable(OV5640_NUM_SUPPLIES, sensor->supplies); 19330f7acb52SHugues Fruchet clk_disable_unprepare(sensor->xclk); 19340f7acb52SHugues Fruchet } 19350f7acb52SHugues Fruchet 19360f7acb52SHugues Fruchet static int ov5640_set_power(struct ov5640_dev *sensor, bool on) 19370f7acb52SHugues Fruchet { 19380f7acb52SHugues Fruchet int ret = 0; 19390f7acb52SHugues Fruchet 19400f7acb52SHugues Fruchet if (on) { 19410f7acb52SHugues Fruchet ret = ov5640_set_power_on(sensor); 19420f7acb52SHugues Fruchet if (ret) 19430f7acb52SHugues Fruchet return ret; 19440f7acb52SHugues Fruchet 194519a81c14SSteve Longerbeam ret = ov5640_restore_mode(sensor); 194619a81c14SSteve Longerbeam if (ret) 194719a81c14SSteve Longerbeam goto power_off; 194819a81c14SSteve Longerbeam 1949aa4bb8b8SJacopo Mondi /* We're done here for DVP bus, while CSI-2 needs setup. */ 19502d95e7edSSakari Ailus if (sensor->ep.bus_type != V4L2_MBUS_CSI2_DPHY) 1951aa4bb8b8SJacopo Mondi return 0; 1952aa4bb8b8SJacopo Mondi 195319a81c14SSteve Longerbeam /* 1954aa4bb8b8SJacopo Mondi * Power up MIPI HS Tx and LS Rx; 2 data lanes mode 1955aa4bb8b8SJacopo Mondi * 1956aa4bb8b8SJacopo Mondi * 0x300e = 0x40 1957aa4bb8b8SJacopo Mondi * [7:5] = 010 : 2 data lanes mode (see FIXME note in 1958aa4bb8b8SJacopo Mondi * "ov5640_set_stream_mipi()") 1959aa4bb8b8SJacopo Mondi * [4] = 0 : Power up MIPI HS Tx 1960aa4bb8b8SJacopo Mondi * [3] = 0 : Power up MIPI LS Rx 1961aa4bb8b8SJacopo Mondi * [2] = 0 : MIPI interface disabled 196219a81c14SSteve Longerbeam */ 1963aa4bb8b8SJacopo Mondi ret = ov5640_write_reg(sensor, 1964aa4bb8b8SJacopo Mondi OV5640_REG_IO_MIPI_CTRL00, 0x40); 196519a81c14SSteve Longerbeam if (ret) 196619a81c14SSteve Longerbeam goto power_off; 1967aa4bb8b8SJacopo Mondi 1968aa4bb8b8SJacopo Mondi /* 1969aa4bb8b8SJacopo Mondi * Gate clock and set LP11 in 'no packets mode' (idle) 1970aa4bb8b8SJacopo Mondi * 1971aa4bb8b8SJacopo Mondi * 0x4800 = 0x24 1972aa4bb8b8SJacopo Mondi * [5] = 1 : Gate clock when 'no packets' 1973aa4bb8b8SJacopo Mondi * [2] = 1 : MIPI bus in LP11 when 'no packets' 1974aa4bb8b8SJacopo Mondi */ 1975aa4bb8b8SJacopo Mondi ret = ov5640_write_reg(sensor, 1976aa4bb8b8SJacopo Mondi OV5640_REG_MIPI_CTRL00, 0x24); 197719a81c14SSteve Longerbeam if (ret) 197819a81c14SSteve Longerbeam goto power_off; 1979aa4bb8b8SJacopo Mondi 1980aa4bb8b8SJacopo Mondi /* 1981aa4bb8b8SJacopo Mondi * Set data lanes and clock in LP11 when 'sleeping' 1982aa4bb8b8SJacopo Mondi * 1983aa4bb8b8SJacopo Mondi * 0x3019 = 0x70 1984aa4bb8b8SJacopo Mondi * [6] = 1 : MIPI data lane 2 in LP11 when 'sleeping' 1985aa4bb8b8SJacopo Mondi * [5] = 1 : MIPI data lane 1 in LP11 when 'sleeping' 1986aa4bb8b8SJacopo Mondi * [4] = 1 : MIPI clock lane in LP11 when 'sleeping' 1987aa4bb8b8SJacopo Mondi */ 1988aa4bb8b8SJacopo Mondi ret = ov5640_write_reg(sensor, 1989aa4bb8b8SJacopo Mondi OV5640_REG_PAD_OUTPUT00, 0x70); 1990aa4bb8b8SJacopo Mondi if (ret) 1991aa4bb8b8SJacopo Mondi goto power_off; 1992aa4bb8b8SJacopo Mondi 1993aa4bb8b8SJacopo Mondi /* Give lanes some time to coax into LP11 state. */ 1994aa4bb8b8SJacopo Mondi usleep_range(500, 1000); 1995aa4bb8b8SJacopo Mondi 1996aa4bb8b8SJacopo Mondi } else { 19972d95e7edSSakari Ailus if (sensor->ep.bus_type == V4L2_MBUS_CSI2_DPHY) { 1998aa4bb8b8SJacopo Mondi /* Reset MIPI bus settings to their default values. */ 1999aa4bb8b8SJacopo Mondi ov5640_write_reg(sensor, 2000aa4bb8b8SJacopo Mondi OV5640_REG_IO_MIPI_CTRL00, 0x58); 2001aa4bb8b8SJacopo Mondi ov5640_write_reg(sensor, 2002aa4bb8b8SJacopo Mondi OV5640_REG_MIPI_CTRL00, 0x04); 2003aa4bb8b8SJacopo Mondi ov5640_write_reg(sensor, 2004aa4bb8b8SJacopo Mondi OV5640_REG_PAD_OUTPUT00, 0x00); 2005aa4bb8b8SJacopo Mondi } 2006aa4bb8b8SJacopo Mondi 2007aa4bb8b8SJacopo Mondi ov5640_set_power_off(sensor); 2008f22996dbSHugues Fruchet } 200919a81c14SSteve Longerbeam 201019a81c14SSteve Longerbeam return 0; 201119a81c14SSteve Longerbeam 201219a81c14SSteve Longerbeam power_off: 20130f7acb52SHugues Fruchet ov5640_set_power_off(sensor); 201419a81c14SSteve Longerbeam return ret; 201519a81c14SSteve Longerbeam } 201619a81c14SSteve Longerbeam 201719a81c14SSteve Longerbeam /* --------------- Subdev Operations --------------- */ 201819a81c14SSteve Longerbeam 201919a81c14SSteve Longerbeam static int ov5640_s_power(struct v4l2_subdev *sd, int on) 202019a81c14SSteve Longerbeam { 202119a81c14SSteve Longerbeam struct ov5640_dev *sensor = to_ov5640_dev(sd); 202219a81c14SSteve Longerbeam int ret = 0; 202319a81c14SSteve Longerbeam 202419a81c14SSteve Longerbeam mutex_lock(&sensor->lock); 202519a81c14SSteve Longerbeam 202619a81c14SSteve Longerbeam /* 202719a81c14SSteve Longerbeam * If the power count is modified from 0 to != 0 or from != 0 to 0, 202819a81c14SSteve Longerbeam * update the power state. 202919a81c14SSteve Longerbeam */ 203019a81c14SSteve Longerbeam if (sensor->power_count == !on) { 203119a81c14SSteve Longerbeam ret = ov5640_set_power(sensor, !!on); 203219a81c14SSteve Longerbeam if (ret) 203319a81c14SSteve Longerbeam goto out; 203419a81c14SSteve Longerbeam } 203519a81c14SSteve Longerbeam 203619a81c14SSteve Longerbeam /* Update the power count. */ 203719a81c14SSteve Longerbeam sensor->power_count += on ? 1 : -1; 203819a81c14SSteve Longerbeam WARN_ON(sensor->power_count < 0); 203919a81c14SSteve Longerbeam out: 204019a81c14SSteve Longerbeam mutex_unlock(&sensor->lock); 204119a81c14SSteve Longerbeam 204219a81c14SSteve Longerbeam if (on && !ret && sensor->power_count == 1) { 204319a81c14SSteve Longerbeam /* restore controls */ 204419a81c14SSteve Longerbeam ret = v4l2_ctrl_handler_setup(&sensor->ctrls.handler); 204519a81c14SSteve Longerbeam } 204619a81c14SSteve Longerbeam 204719a81c14SSteve Longerbeam return ret; 204819a81c14SSteve Longerbeam } 204919a81c14SSteve Longerbeam 205019a81c14SSteve Longerbeam static int ov5640_try_frame_interval(struct ov5640_dev *sensor, 205119a81c14SSteve Longerbeam struct v4l2_fract *fi, 205219a81c14SSteve Longerbeam u32 width, u32 height) 205319a81c14SSteve Longerbeam { 205419a81c14SSteve Longerbeam const struct ov5640_mode_info *mode; 20555a3ad937SMaxime Ripard enum ov5640_frame_rate rate = OV5640_30_FPS; 2056f6cc192fSMaxime Ripard int minfps, maxfps, best_fps, fps; 2057f6cc192fSMaxime Ripard int i; 205819a81c14SSteve Longerbeam 205919a81c14SSteve Longerbeam minfps = ov5640_framerates[OV5640_15_FPS]; 206019a81c14SSteve Longerbeam maxfps = ov5640_framerates[OV5640_30_FPS]; 206119a81c14SSteve Longerbeam 206219a81c14SSteve Longerbeam if (fi->numerator == 0) { 206319a81c14SSteve Longerbeam fi->denominator = maxfps; 206419a81c14SSteve Longerbeam fi->numerator = 1; 206519a81c14SSteve Longerbeam return OV5640_30_FPS; 206619a81c14SSteve Longerbeam } 206719a81c14SSteve Longerbeam 2068f6cc192fSMaxime Ripard fps = clamp_val(DIV_ROUND_CLOSEST(fi->denominator, fi->numerator), 2069f6cc192fSMaxime Ripard minfps, maxfps); 2070f6cc192fSMaxime Ripard 2071f6cc192fSMaxime Ripard best_fps = minfps; 2072f6cc192fSMaxime Ripard for (i = 0; i < ARRAY_SIZE(ov5640_framerates); i++) { 2073f6cc192fSMaxime Ripard int curr_fps = ov5640_framerates[i]; 2074f6cc192fSMaxime Ripard 2075f6cc192fSMaxime Ripard if (abs(curr_fps - fps) < abs(best_fps - fps)) { 2076f6cc192fSMaxime Ripard best_fps = curr_fps; 2077f6cc192fSMaxime Ripard rate = i; 2078f6cc192fSMaxime Ripard } 2079f6cc192fSMaxime Ripard } 208019a81c14SSteve Longerbeam 208119a81c14SSteve Longerbeam fi->numerator = 1; 2082f6cc192fSMaxime Ripard fi->denominator = best_fps; 208319a81c14SSteve Longerbeam 20845a3ad937SMaxime Ripard mode = ov5640_find_mode(sensor, rate, width, height, false); 20855a3ad937SMaxime Ripard return mode ? rate : -EINVAL; 208619a81c14SSteve Longerbeam } 208719a81c14SSteve Longerbeam 208819a81c14SSteve Longerbeam static int ov5640_get_fmt(struct v4l2_subdev *sd, 208919a81c14SSteve Longerbeam struct v4l2_subdev_pad_config *cfg, 209019a81c14SSteve Longerbeam struct v4l2_subdev_format *format) 209119a81c14SSteve Longerbeam { 209219a81c14SSteve Longerbeam struct ov5640_dev *sensor = to_ov5640_dev(sd); 209319a81c14SSteve Longerbeam struct v4l2_mbus_framefmt *fmt; 209419a81c14SSteve Longerbeam 209519a81c14SSteve Longerbeam if (format->pad != 0) 209619a81c14SSteve Longerbeam return -EINVAL; 209719a81c14SSteve Longerbeam 209819a81c14SSteve Longerbeam mutex_lock(&sensor->lock); 209919a81c14SSteve Longerbeam 210019a81c14SSteve Longerbeam if (format->which == V4L2_SUBDEV_FORMAT_TRY) 210119a81c14SSteve Longerbeam fmt = v4l2_subdev_get_try_format(&sensor->sd, cfg, 210219a81c14SSteve Longerbeam format->pad); 210319a81c14SSteve Longerbeam else 210419a81c14SSteve Longerbeam fmt = &sensor->fmt; 210519a81c14SSteve Longerbeam 210619a81c14SSteve Longerbeam format->format = *fmt; 210719a81c14SSteve Longerbeam 210819a81c14SSteve Longerbeam mutex_unlock(&sensor->lock); 210919a81c14SSteve Longerbeam 211019a81c14SSteve Longerbeam return 0; 211119a81c14SSteve Longerbeam } 211219a81c14SSteve Longerbeam 211319a81c14SSteve Longerbeam static int ov5640_try_fmt_internal(struct v4l2_subdev *sd, 211419a81c14SSteve Longerbeam struct v4l2_mbus_framefmt *fmt, 211519a81c14SSteve Longerbeam enum ov5640_frame_rate fr, 211619a81c14SSteve Longerbeam const struct ov5640_mode_info **new_mode) 211719a81c14SSteve Longerbeam { 211819a81c14SSteve Longerbeam struct ov5640_dev *sensor = to_ov5640_dev(sd); 211919a81c14SSteve Longerbeam const struct ov5640_mode_info *mode; 2120e3ee691dSHugues Fruchet int i; 212119a81c14SSteve Longerbeam 212219a81c14SSteve Longerbeam mode = ov5640_find_mode(sensor, fr, fmt->width, fmt->height, true); 212319a81c14SSteve Longerbeam if (!mode) 212419a81c14SSteve Longerbeam return -EINVAL; 2125dba13a0bSMaxime Ripard fmt->width = mode->hact; 2126dba13a0bSMaxime Ripard fmt->height = mode->vact; 212719a81c14SSteve Longerbeam 212819a81c14SSteve Longerbeam if (new_mode) 212919a81c14SSteve Longerbeam *new_mode = mode; 2130e3ee691dSHugues Fruchet 2131e3ee691dSHugues Fruchet for (i = 0; i < ARRAY_SIZE(ov5640_formats); i++) 2132e3ee691dSHugues Fruchet if (ov5640_formats[i].code == fmt->code) 2133e3ee691dSHugues Fruchet break; 2134e3ee691dSHugues Fruchet if (i >= ARRAY_SIZE(ov5640_formats)) 2135e6441fdeSHugues Fruchet i = 0; 2136e6441fdeSHugues Fruchet 2137e6441fdeSHugues Fruchet fmt->code = ov5640_formats[i].code; 2138e6441fdeSHugues Fruchet fmt->colorspace = ov5640_formats[i].colorspace; 2139e6441fdeSHugues Fruchet fmt->ycbcr_enc = V4L2_MAP_YCBCR_ENC_DEFAULT(fmt->colorspace); 2140e6441fdeSHugues Fruchet fmt->quantization = V4L2_QUANTIZATION_FULL_RANGE; 2141e6441fdeSHugues Fruchet fmt->xfer_func = V4L2_MAP_XFER_FUNC_DEFAULT(fmt->colorspace); 2142e3ee691dSHugues Fruchet 214319a81c14SSteve Longerbeam return 0; 214419a81c14SSteve Longerbeam } 214519a81c14SSteve Longerbeam 214619a81c14SSteve Longerbeam static int ov5640_set_fmt(struct v4l2_subdev *sd, 214719a81c14SSteve Longerbeam struct v4l2_subdev_pad_config *cfg, 214819a81c14SSteve Longerbeam struct v4l2_subdev_format *format) 214919a81c14SSteve Longerbeam { 215019a81c14SSteve Longerbeam struct ov5640_dev *sensor = to_ov5640_dev(sd); 215119a81c14SSteve Longerbeam const struct ov5640_mode_info *new_mode; 2152e6441fdeSHugues Fruchet struct v4l2_mbus_framefmt *mbus_fmt = &format->format; 215307115449SJacopo Mondi struct v4l2_mbus_framefmt *fmt; 215419a81c14SSteve Longerbeam int ret; 215519a81c14SSteve Longerbeam 215619a81c14SSteve Longerbeam if (format->pad != 0) 215719a81c14SSteve Longerbeam return -EINVAL; 215819a81c14SSteve Longerbeam 215919a81c14SSteve Longerbeam mutex_lock(&sensor->lock); 216019a81c14SSteve Longerbeam 216119a81c14SSteve Longerbeam if (sensor->streaming) { 216219a81c14SSteve Longerbeam ret = -EBUSY; 216319a81c14SSteve Longerbeam goto out; 216419a81c14SSteve Longerbeam } 216519a81c14SSteve Longerbeam 2166e6441fdeSHugues Fruchet ret = ov5640_try_fmt_internal(sd, mbus_fmt, 216719a81c14SSteve Longerbeam sensor->current_fr, &new_mode); 216819a81c14SSteve Longerbeam if (ret) 216919a81c14SSteve Longerbeam goto out; 217019a81c14SSteve Longerbeam 217107115449SJacopo Mondi if (format->which == V4L2_SUBDEV_FORMAT_TRY) 217207115449SJacopo Mondi fmt = v4l2_subdev_get_try_format(sd, cfg, 0); 217307115449SJacopo Mondi else 217407115449SJacopo Mondi fmt = &sensor->fmt; 217519a81c14SSteve Longerbeam 2176e6441fdeSHugues Fruchet *fmt = *mbus_fmt; 217719a81c14SSteve Longerbeam 21786949d864SHugues Fruchet if (new_mode != sensor->current_mode) { 217919a81c14SSteve Longerbeam sensor->current_mode = new_mode; 218019a81c14SSteve Longerbeam sensor->pending_mode_change = true; 21816949d864SHugues Fruchet } 218207115449SJacopo Mondi if (mbus_fmt->code != sensor->fmt.code) 2183fb98e29fSHugues Fruchet sensor->pending_fmt_change = true; 218407115449SJacopo Mondi 218519a81c14SSteve Longerbeam out: 218619a81c14SSteve Longerbeam mutex_unlock(&sensor->lock); 218719a81c14SSteve Longerbeam return ret; 218819a81c14SSteve Longerbeam } 218919a81c14SSteve Longerbeam 2190e3ee691dSHugues Fruchet static int ov5640_set_framefmt(struct ov5640_dev *sensor, 2191e3ee691dSHugues Fruchet struct v4l2_mbus_framefmt *format) 2192e3ee691dSHugues Fruchet { 2193e3ee691dSHugues Fruchet int ret = 0; 2194e3ee691dSHugues Fruchet bool is_rgb = false; 2195d47c4126SHugues Fruchet bool is_jpeg = false; 2196e3ee691dSHugues Fruchet u8 val; 2197e3ee691dSHugues Fruchet 2198e3ee691dSHugues Fruchet switch (format->code) { 2199e3ee691dSHugues Fruchet case MEDIA_BUS_FMT_UYVY8_2X8: 2200e3ee691dSHugues Fruchet /* YUV422, UYVY */ 2201e3ee691dSHugues Fruchet val = 0x3f; 2202e3ee691dSHugues Fruchet break; 2203e3ee691dSHugues Fruchet case MEDIA_BUS_FMT_YUYV8_2X8: 2204e3ee691dSHugues Fruchet /* YUV422, YUYV */ 2205e3ee691dSHugues Fruchet val = 0x30; 2206e3ee691dSHugues Fruchet break; 2207e3ee691dSHugues Fruchet case MEDIA_BUS_FMT_RGB565_2X8_LE: 2208e3ee691dSHugues Fruchet /* RGB565 {g[2:0],b[4:0]},{r[4:0],g[5:3]} */ 2209e3ee691dSHugues Fruchet val = 0x6F; 2210e3ee691dSHugues Fruchet is_rgb = true; 2211e3ee691dSHugues Fruchet break; 2212e3ee691dSHugues Fruchet case MEDIA_BUS_FMT_RGB565_2X8_BE: 2213e3ee691dSHugues Fruchet /* RGB565 {r[4:0],g[5:3]},{g[2:0],b[4:0]} */ 2214e3ee691dSHugues Fruchet val = 0x61; 2215e3ee691dSHugues Fruchet is_rgb = true; 2216e3ee691dSHugues Fruchet break; 2217d47c4126SHugues Fruchet case MEDIA_BUS_FMT_JPEG_1X8: 2218d47c4126SHugues Fruchet /* YUV422, YUYV */ 2219d47c4126SHugues Fruchet val = 0x30; 2220d47c4126SHugues Fruchet is_jpeg = true; 2221d47c4126SHugues Fruchet break; 2222e3ee691dSHugues Fruchet default: 2223e3ee691dSHugues Fruchet return -EINVAL; 2224e3ee691dSHugues Fruchet } 2225e3ee691dSHugues Fruchet 2226e3ee691dSHugues Fruchet /* FORMAT CONTROL00: YUV and RGB formatting */ 2227e3ee691dSHugues Fruchet ret = ov5640_write_reg(sensor, OV5640_REG_FORMAT_CONTROL00, val); 2228e3ee691dSHugues Fruchet if (ret) 2229e3ee691dSHugues Fruchet return ret; 2230e3ee691dSHugues Fruchet 2231e3ee691dSHugues Fruchet /* FORMAT MUX CONTROL: ISP YUV or RGB */ 2232d47c4126SHugues Fruchet ret = ov5640_write_reg(sensor, OV5640_REG_ISP_FORMAT_MUX_CTRL, 2233e3ee691dSHugues Fruchet is_rgb ? 0x01 : 0x00); 2234d47c4126SHugues Fruchet if (ret) 2235d47c4126SHugues Fruchet return ret; 2236d47c4126SHugues Fruchet 2237d47c4126SHugues Fruchet /* 2238d47c4126SHugues Fruchet * TIMING TC REG21: 2239d47c4126SHugues Fruchet * - [5]: JPEG enable 2240d47c4126SHugues Fruchet */ 2241d47c4126SHugues Fruchet ret = ov5640_mod_reg(sensor, OV5640_REG_TIMING_TC_REG21, 2242d47c4126SHugues Fruchet BIT(5), is_jpeg ? BIT(5) : 0); 2243d47c4126SHugues Fruchet if (ret) 2244d47c4126SHugues Fruchet return ret; 2245d47c4126SHugues Fruchet 2246d47c4126SHugues Fruchet /* 2247d47c4126SHugues Fruchet * SYSTEM RESET02: 2248d47c4126SHugues Fruchet * - [4]: Reset JFIFO 2249d47c4126SHugues Fruchet * - [3]: Reset SFIFO 2250d47c4126SHugues Fruchet * - [2]: Reset JPEG 2251d47c4126SHugues Fruchet */ 2252d47c4126SHugues Fruchet ret = ov5640_mod_reg(sensor, OV5640_REG_SYS_RESET02, 2253d47c4126SHugues Fruchet BIT(4) | BIT(3) | BIT(2), 2254d47c4126SHugues Fruchet is_jpeg ? 0 : (BIT(4) | BIT(3) | BIT(2))); 2255d47c4126SHugues Fruchet if (ret) 2256d47c4126SHugues Fruchet return ret; 2257d47c4126SHugues Fruchet 2258d47c4126SHugues Fruchet /* 2259d47c4126SHugues Fruchet * CLOCK ENABLE02: 2260d47c4126SHugues Fruchet * - [5]: Enable JPEG 2x clock 2261d47c4126SHugues Fruchet * - [3]: Enable JPEG clock 2262d47c4126SHugues Fruchet */ 2263d47c4126SHugues Fruchet return ov5640_mod_reg(sensor, OV5640_REG_SYS_CLOCK_ENABLE02, 2264d47c4126SHugues Fruchet BIT(5) | BIT(3), 2265d47c4126SHugues Fruchet is_jpeg ? (BIT(5) | BIT(3)) : 0); 2266e3ee691dSHugues Fruchet } 226719a81c14SSteve Longerbeam 226819a81c14SSteve Longerbeam /* 226919a81c14SSteve Longerbeam * Sensor Controls. 227019a81c14SSteve Longerbeam */ 227119a81c14SSteve Longerbeam 227219a81c14SSteve Longerbeam static int ov5640_set_ctrl_hue(struct ov5640_dev *sensor, int value) 227319a81c14SSteve Longerbeam { 227419a81c14SSteve Longerbeam int ret; 227519a81c14SSteve Longerbeam 227619a81c14SSteve Longerbeam if (value) { 227719a81c14SSteve Longerbeam ret = ov5640_mod_reg(sensor, OV5640_REG_SDE_CTRL0, 227819a81c14SSteve Longerbeam BIT(0), BIT(0)); 227919a81c14SSteve Longerbeam if (ret) 228019a81c14SSteve Longerbeam return ret; 228119a81c14SSteve Longerbeam ret = ov5640_write_reg16(sensor, OV5640_REG_SDE_CTRL1, value); 228219a81c14SSteve Longerbeam } else { 228319a81c14SSteve Longerbeam ret = ov5640_mod_reg(sensor, OV5640_REG_SDE_CTRL0, BIT(0), 0); 228419a81c14SSteve Longerbeam } 228519a81c14SSteve Longerbeam 228619a81c14SSteve Longerbeam return ret; 228719a81c14SSteve Longerbeam } 228819a81c14SSteve Longerbeam 228919a81c14SSteve Longerbeam static int ov5640_set_ctrl_contrast(struct ov5640_dev *sensor, int value) 229019a81c14SSteve Longerbeam { 229119a81c14SSteve Longerbeam int ret; 229219a81c14SSteve Longerbeam 229319a81c14SSteve Longerbeam if (value) { 229419a81c14SSteve Longerbeam ret = ov5640_mod_reg(sensor, OV5640_REG_SDE_CTRL0, 229519a81c14SSteve Longerbeam BIT(2), BIT(2)); 229619a81c14SSteve Longerbeam if (ret) 229719a81c14SSteve Longerbeam return ret; 229819a81c14SSteve Longerbeam ret = ov5640_write_reg(sensor, OV5640_REG_SDE_CTRL5, 229919a81c14SSteve Longerbeam value & 0xff); 230019a81c14SSteve Longerbeam } else { 230119a81c14SSteve Longerbeam ret = ov5640_mod_reg(sensor, OV5640_REG_SDE_CTRL0, BIT(2), 0); 230219a81c14SSteve Longerbeam } 230319a81c14SSteve Longerbeam 230419a81c14SSteve Longerbeam return ret; 230519a81c14SSteve Longerbeam } 230619a81c14SSteve Longerbeam 230719a81c14SSteve Longerbeam static int ov5640_set_ctrl_saturation(struct ov5640_dev *sensor, int value) 230819a81c14SSteve Longerbeam { 230919a81c14SSteve Longerbeam int ret; 231019a81c14SSteve Longerbeam 231119a81c14SSteve Longerbeam if (value) { 231219a81c14SSteve Longerbeam ret = ov5640_mod_reg(sensor, OV5640_REG_SDE_CTRL0, 231319a81c14SSteve Longerbeam BIT(1), BIT(1)); 231419a81c14SSteve Longerbeam if (ret) 231519a81c14SSteve Longerbeam return ret; 231619a81c14SSteve Longerbeam ret = ov5640_write_reg(sensor, OV5640_REG_SDE_CTRL3, 231719a81c14SSteve Longerbeam value & 0xff); 231819a81c14SSteve Longerbeam if (ret) 231919a81c14SSteve Longerbeam return ret; 232019a81c14SSteve Longerbeam ret = ov5640_write_reg(sensor, OV5640_REG_SDE_CTRL4, 232119a81c14SSteve Longerbeam value & 0xff); 232219a81c14SSteve Longerbeam } else { 232319a81c14SSteve Longerbeam ret = ov5640_mod_reg(sensor, OV5640_REG_SDE_CTRL0, BIT(1), 0); 232419a81c14SSteve Longerbeam } 232519a81c14SSteve Longerbeam 232619a81c14SSteve Longerbeam return ret; 232719a81c14SSteve Longerbeam } 232819a81c14SSteve Longerbeam 232919a81c14SSteve Longerbeam static int ov5640_set_ctrl_white_balance(struct ov5640_dev *sensor, int awb) 233019a81c14SSteve Longerbeam { 233119a81c14SSteve Longerbeam int ret; 233219a81c14SSteve Longerbeam 233319a81c14SSteve Longerbeam ret = ov5640_mod_reg(sensor, OV5640_REG_AWB_MANUAL_CTRL, 233419a81c14SSteve Longerbeam BIT(0), awb ? 0 : 1); 233519a81c14SSteve Longerbeam if (ret) 233619a81c14SSteve Longerbeam return ret; 233719a81c14SSteve Longerbeam 233819a81c14SSteve Longerbeam if (!awb) { 233919a81c14SSteve Longerbeam u16 red = (u16)sensor->ctrls.red_balance->val; 234019a81c14SSteve Longerbeam u16 blue = (u16)sensor->ctrls.blue_balance->val; 234119a81c14SSteve Longerbeam 234219a81c14SSteve Longerbeam ret = ov5640_write_reg16(sensor, OV5640_REG_AWB_R_GAIN, red); 234319a81c14SSteve Longerbeam if (ret) 234419a81c14SSteve Longerbeam return ret; 234519a81c14SSteve Longerbeam ret = ov5640_write_reg16(sensor, OV5640_REG_AWB_B_GAIN, blue); 234619a81c14SSteve Longerbeam } 234719a81c14SSteve Longerbeam 234819a81c14SSteve Longerbeam return ret; 234919a81c14SSteve Longerbeam } 235019a81c14SSteve Longerbeam 23513cca8ef5SHugues Fruchet static int ov5640_set_ctrl_exposure(struct ov5640_dev *sensor, 23523cca8ef5SHugues Fruchet enum v4l2_exposure_auto_type auto_exposure) 235319a81c14SSteve Longerbeam { 235419a81c14SSteve Longerbeam struct ov5640_ctrls *ctrls = &sensor->ctrls; 23553cca8ef5SHugues Fruchet bool auto_exp = (auto_exposure == V4L2_EXPOSURE_AUTO); 235619a81c14SSteve Longerbeam int ret = 0; 235719a81c14SSteve Longerbeam 235819a81c14SSteve Longerbeam if (ctrls->auto_exp->is_new) { 23593cca8ef5SHugues Fruchet ret = ov5640_set_autoexposure(sensor, auto_exp); 236019a81c14SSteve Longerbeam if (ret) 236119a81c14SSteve Longerbeam return ret; 236219a81c14SSteve Longerbeam } 236319a81c14SSteve Longerbeam 23643cca8ef5SHugues Fruchet if (!auto_exp && ctrls->exposure->is_new) { 236519a81c14SSteve Longerbeam u16 max_exp; 236619a81c14SSteve Longerbeam 236719a81c14SSteve Longerbeam ret = ov5640_read_reg16(sensor, OV5640_REG_AEC_PK_VTS, 236819a81c14SSteve Longerbeam &max_exp); 236919a81c14SSteve Longerbeam if (ret) 237019a81c14SSteve Longerbeam return ret; 237119a81c14SSteve Longerbeam ret = ov5640_get_vts(sensor); 237219a81c14SSteve Longerbeam if (ret < 0) 237319a81c14SSteve Longerbeam return ret; 237419a81c14SSteve Longerbeam max_exp += ret; 23756146fde3SHugues Fruchet ret = 0; 237619a81c14SSteve Longerbeam 237719a81c14SSteve Longerbeam if (ctrls->exposure->val < max_exp) 237819a81c14SSteve Longerbeam ret = ov5640_set_exposure(sensor, ctrls->exposure->val); 237919a81c14SSteve Longerbeam } 238019a81c14SSteve Longerbeam 238119a81c14SSteve Longerbeam return ret; 238219a81c14SSteve Longerbeam } 238319a81c14SSteve Longerbeam 23843cca8ef5SHugues Fruchet static int ov5640_set_ctrl_gain(struct ov5640_dev *sensor, bool auto_gain) 238519a81c14SSteve Longerbeam { 238619a81c14SSteve Longerbeam struct ov5640_ctrls *ctrls = &sensor->ctrls; 238719a81c14SSteve Longerbeam int ret = 0; 238819a81c14SSteve Longerbeam 238919a81c14SSteve Longerbeam if (ctrls->auto_gain->is_new) { 23903cca8ef5SHugues Fruchet ret = ov5640_set_autogain(sensor, auto_gain); 239119a81c14SSteve Longerbeam if (ret) 239219a81c14SSteve Longerbeam return ret; 239319a81c14SSteve Longerbeam } 239419a81c14SSteve Longerbeam 23953cca8ef5SHugues Fruchet if (!auto_gain && ctrls->gain->is_new) 23963cca8ef5SHugues Fruchet ret = ov5640_set_gain(sensor, ctrls->gain->val); 239719a81c14SSteve Longerbeam 239819a81c14SSteve Longerbeam return ret; 239919a81c14SSteve Longerbeam } 240019a81c14SSteve Longerbeam 240119a81c14SSteve Longerbeam static int ov5640_set_ctrl_test_pattern(struct ov5640_dev *sensor, int value) 240219a81c14SSteve Longerbeam { 240319a81c14SSteve Longerbeam return ov5640_mod_reg(sensor, OV5640_REG_PRE_ISP_TEST_SET1, 240419a81c14SSteve Longerbeam 0xa4, value ? 0xa4 : 0); 240519a81c14SSteve Longerbeam } 240619a81c14SSteve Longerbeam 24071068fecaSMylène Josserand static int ov5640_set_ctrl_light_freq(struct ov5640_dev *sensor, int value) 24081068fecaSMylène Josserand { 24091068fecaSMylène Josserand int ret; 24101068fecaSMylène Josserand 24111068fecaSMylène Josserand ret = ov5640_mod_reg(sensor, OV5640_REG_HZ5060_CTRL01, BIT(7), 24121068fecaSMylène Josserand (value == V4L2_CID_POWER_LINE_FREQUENCY_AUTO) ? 24131068fecaSMylène Josserand 0 : BIT(7)); 24141068fecaSMylène Josserand if (ret) 24151068fecaSMylène Josserand return ret; 24161068fecaSMylène Josserand 24171068fecaSMylène Josserand return ov5640_mod_reg(sensor, OV5640_REG_HZ5060_CTRL00, BIT(2), 24181068fecaSMylène Josserand (value == V4L2_CID_POWER_LINE_FREQUENCY_50HZ) ? 24191068fecaSMylène Josserand BIT(2) : 0); 24201068fecaSMylène Josserand } 24211068fecaSMylène Josserand 2422ce85705aSHugues Fruchet static int ov5640_set_ctrl_hflip(struct ov5640_dev *sensor, int value) 2423ce85705aSHugues Fruchet { 2424ce85705aSHugues Fruchet /* 2425c3f3ba3eSHugues Fruchet * If sensor is mounted upside down, mirror logic is inversed. 2426c3f3ba3eSHugues Fruchet * 2427ce85705aSHugues Fruchet * Sensor is a BSI (Back Side Illuminated) one, 2428ce85705aSHugues Fruchet * so image captured is physically mirrored. 2429ce85705aSHugues Fruchet * This is why mirror logic is inversed in 2430ce85705aSHugues Fruchet * order to cancel this mirror effect. 2431ce85705aSHugues Fruchet */ 2432ce85705aSHugues Fruchet 2433ce85705aSHugues Fruchet /* 2434ce85705aSHugues Fruchet * TIMING TC REG21: 2435ce85705aSHugues Fruchet * - [2]: ISP mirror 2436ce85705aSHugues Fruchet * - [1]: Sensor mirror 2437ce85705aSHugues Fruchet */ 2438ce85705aSHugues Fruchet return ov5640_mod_reg(sensor, OV5640_REG_TIMING_TC_REG21, 2439ce85705aSHugues Fruchet BIT(2) | BIT(1), 2440c3f3ba3eSHugues Fruchet (!(value ^ sensor->upside_down)) ? 2441c3f3ba3eSHugues Fruchet (BIT(2) | BIT(1)) : 0); 2442ce85705aSHugues Fruchet } 2443ce85705aSHugues Fruchet 2444ce85705aSHugues Fruchet static int ov5640_set_ctrl_vflip(struct ov5640_dev *sensor, int value) 2445ce85705aSHugues Fruchet { 2446c3f3ba3eSHugues Fruchet /* If sensor is mounted upside down, flip logic is inversed */ 2447c3f3ba3eSHugues Fruchet 2448ce85705aSHugues Fruchet /* 2449ce85705aSHugues Fruchet * TIMING TC REG20: 2450ce85705aSHugues Fruchet * - [2]: ISP vflip 2451ce85705aSHugues Fruchet * - [1]: Sensor vflip 2452ce85705aSHugues Fruchet */ 2453ce85705aSHugues Fruchet return ov5640_mod_reg(sensor, OV5640_REG_TIMING_TC_REG20, 2454ce85705aSHugues Fruchet BIT(2) | BIT(1), 2455c3f3ba3eSHugues Fruchet (value ^ sensor->upside_down) ? 2456c3f3ba3eSHugues Fruchet (BIT(2) | BIT(1)) : 0); 2457ce85705aSHugues Fruchet } 2458ce85705aSHugues Fruchet 245919a81c14SSteve Longerbeam static int ov5640_g_volatile_ctrl(struct v4l2_ctrl *ctrl) 246019a81c14SSteve Longerbeam { 246119a81c14SSteve Longerbeam struct v4l2_subdev *sd = ctrl_to_sd(ctrl); 246219a81c14SSteve Longerbeam struct ov5640_dev *sensor = to_ov5640_dev(sd); 246319a81c14SSteve Longerbeam int val; 246419a81c14SSteve Longerbeam 246519a81c14SSteve Longerbeam /* v4l2_ctrl_lock() locks our own mutex */ 246619a81c14SSteve Longerbeam 246719a81c14SSteve Longerbeam switch (ctrl->id) { 246819a81c14SSteve Longerbeam case V4L2_CID_AUTOGAIN: 246919a81c14SSteve Longerbeam val = ov5640_get_gain(sensor); 247019a81c14SSteve Longerbeam if (val < 0) 247119a81c14SSteve Longerbeam return val; 247219a81c14SSteve Longerbeam sensor->ctrls.gain->val = val; 247319a81c14SSteve Longerbeam break; 247419a81c14SSteve Longerbeam case V4L2_CID_EXPOSURE_AUTO: 247519a81c14SSteve Longerbeam val = ov5640_get_exposure(sensor); 247619a81c14SSteve Longerbeam if (val < 0) 247719a81c14SSteve Longerbeam return val; 247819a81c14SSteve Longerbeam sensor->ctrls.exposure->val = val; 247919a81c14SSteve Longerbeam break; 248019a81c14SSteve Longerbeam } 248119a81c14SSteve Longerbeam 248219a81c14SSteve Longerbeam return 0; 248319a81c14SSteve Longerbeam } 248419a81c14SSteve Longerbeam 248519a81c14SSteve Longerbeam static int ov5640_s_ctrl(struct v4l2_ctrl *ctrl) 248619a81c14SSteve Longerbeam { 248719a81c14SSteve Longerbeam struct v4l2_subdev *sd = ctrl_to_sd(ctrl); 248819a81c14SSteve Longerbeam struct ov5640_dev *sensor = to_ov5640_dev(sd); 248919a81c14SSteve Longerbeam int ret; 249019a81c14SSteve Longerbeam 249119a81c14SSteve Longerbeam /* v4l2_ctrl_lock() locks our own mutex */ 249219a81c14SSteve Longerbeam 249319a81c14SSteve Longerbeam /* 249419a81c14SSteve Longerbeam * If the device is not powered up by the host driver do 249519a81c14SSteve Longerbeam * not apply any controls to H/W at this time. Instead 249619a81c14SSteve Longerbeam * the controls will be restored right after power-up. 249719a81c14SSteve Longerbeam */ 249819a81c14SSteve Longerbeam if (sensor->power_count == 0) 249919a81c14SSteve Longerbeam return 0; 250019a81c14SSteve Longerbeam 250119a81c14SSteve Longerbeam switch (ctrl->id) { 250219a81c14SSteve Longerbeam case V4L2_CID_AUTOGAIN: 250319a81c14SSteve Longerbeam ret = ov5640_set_ctrl_gain(sensor, ctrl->val); 250419a81c14SSteve Longerbeam break; 250519a81c14SSteve Longerbeam case V4L2_CID_EXPOSURE_AUTO: 250619a81c14SSteve Longerbeam ret = ov5640_set_ctrl_exposure(sensor, ctrl->val); 250719a81c14SSteve Longerbeam break; 250819a81c14SSteve Longerbeam case V4L2_CID_AUTO_WHITE_BALANCE: 250919a81c14SSteve Longerbeam ret = ov5640_set_ctrl_white_balance(sensor, ctrl->val); 251019a81c14SSteve Longerbeam break; 251119a81c14SSteve Longerbeam case V4L2_CID_HUE: 251219a81c14SSteve Longerbeam ret = ov5640_set_ctrl_hue(sensor, ctrl->val); 251319a81c14SSteve Longerbeam break; 251419a81c14SSteve Longerbeam case V4L2_CID_CONTRAST: 251519a81c14SSteve Longerbeam ret = ov5640_set_ctrl_contrast(sensor, ctrl->val); 251619a81c14SSteve Longerbeam break; 251719a81c14SSteve Longerbeam case V4L2_CID_SATURATION: 251819a81c14SSteve Longerbeam ret = ov5640_set_ctrl_saturation(sensor, ctrl->val); 251919a81c14SSteve Longerbeam break; 252019a81c14SSteve Longerbeam case V4L2_CID_TEST_PATTERN: 252119a81c14SSteve Longerbeam ret = ov5640_set_ctrl_test_pattern(sensor, ctrl->val); 252219a81c14SSteve Longerbeam break; 25231068fecaSMylène Josserand case V4L2_CID_POWER_LINE_FREQUENCY: 25241068fecaSMylène Josserand ret = ov5640_set_ctrl_light_freq(sensor, ctrl->val); 25251068fecaSMylène Josserand break; 2526ce85705aSHugues Fruchet case V4L2_CID_HFLIP: 2527ce85705aSHugues Fruchet ret = ov5640_set_ctrl_hflip(sensor, ctrl->val); 2528ce85705aSHugues Fruchet break; 2529ce85705aSHugues Fruchet case V4L2_CID_VFLIP: 2530ce85705aSHugues Fruchet ret = ov5640_set_ctrl_vflip(sensor, ctrl->val); 2531ce85705aSHugues Fruchet break; 253219a81c14SSteve Longerbeam default: 253319a81c14SSteve Longerbeam ret = -EINVAL; 253419a81c14SSteve Longerbeam break; 253519a81c14SSteve Longerbeam } 253619a81c14SSteve Longerbeam 253719a81c14SSteve Longerbeam return ret; 253819a81c14SSteve Longerbeam } 253919a81c14SSteve Longerbeam 254019a81c14SSteve Longerbeam static const struct v4l2_ctrl_ops ov5640_ctrl_ops = { 254119a81c14SSteve Longerbeam .g_volatile_ctrl = ov5640_g_volatile_ctrl, 254219a81c14SSteve Longerbeam .s_ctrl = ov5640_s_ctrl, 254319a81c14SSteve Longerbeam }; 254419a81c14SSteve Longerbeam 254519a81c14SSteve Longerbeam static const char * const test_pattern_menu[] = { 254619a81c14SSteve Longerbeam "Disabled", 254719a81c14SSteve Longerbeam "Color bars", 254819a81c14SSteve Longerbeam }; 254919a81c14SSteve Longerbeam 255019a81c14SSteve Longerbeam static int ov5640_init_controls(struct ov5640_dev *sensor) 255119a81c14SSteve Longerbeam { 255219a81c14SSteve Longerbeam const struct v4l2_ctrl_ops *ops = &ov5640_ctrl_ops; 255319a81c14SSteve Longerbeam struct ov5640_ctrls *ctrls = &sensor->ctrls; 255419a81c14SSteve Longerbeam struct v4l2_ctrl_handler *hdl = &ctrls->handler; 255519a81c14SSteve Longerbeam int ret; 255619a81c14SSteve Longerbeam 255719a81c14SSteve Longerbeam v4l2_ctrl_handler_init(hdl, 32); 255819a81c14SSteve Longerbeam 255919a81c14SSteve Longerbeam /* we can use our own mutex for the ctrl lock */ 256019a81c14SSteve Longerbeam hdl->lock = &sensor->lock; 256119a81c14SSteve Longerbeam 256219a81c14SSteve Longerbeam /* Auto/manual white balance */ 256319a81c14SSteve Longerbeam ctrls->auto_wb = v4l2_ctrl_new_std(hdl, ops, 256419a81c14SSteve Longerbeam V4L2_CID_AUTO_WHITE_BALANCE, 256519a81c14SSteve Longerbeam 0, 1, 1, 1); 256619a81c14SSteve Longerbeam ctrls->blue_balance = v4l2_ctrl_new_std(hdl, ops, V4L2_CID_BLUE_BALANCE, 256719a81c14SSteve Longerbeam 0, 4095, 1, 0); 256819a81c14SSteve Longerbeam ctrls->red_balance = v4l2_ctrl_new_std(hdl, ops, V4L2_CID_RED_BALANCE, 256919a81c14SSteve Longerbeam 0, 4095, 1, 0); 257019a81c14SSteve Longerbeam /* Auto/manual exposure */ 257119a81c14SSteve Longerbeam ctrls->auto_exp = v4l2_ctrl_new_std_menu(hdl, ops, 257219a81c14SSteve Longerbeam V4L2_CID_EXPOSURE_AUTO, 257319a81c14SSteve Longerbeam V4L2_EXPOSURE_MANUAL, 0, 257419a81c14SSteve Longerbeam V4L2_EXPOSURE_AUTO); 257519a81c14SSteve Longerbeam ctrls->exposure = v4l2_ctrl_new_std(hdl, ops, V4L2_CID_EXPOSURE, 257619a81c14SSteve Longerbeam 0, 65535, 1, 0); 257719a81c14SSteve Longerbeam /* Auto/manual gain */ 257819a81c14SSteve Longerbeam ctrls->auto_gain = v4l2_ctrl_new_std(hdl, ops, V4L2_CID_AUTOGAIN, 257919a81c14SSteve Longerbeam 0, 1, 1, 1); 258019a81c14SSteve Longerbeam ctrls->gain = v4l2_ctrl_new_std(hdl, ops, V4L2_CID_GAIN, 258119a81c14SSteve Longerbeam 0, 1023, 1, 0); 258219a81c14SSteve Longerbeam 258319a81c14SSteve Longerbeam ctrls->saturation = v4l2_ctrl_new_std(hdl, ops, V4L2_CID_SATURATION, 258419a81c14SSteve Longerbeam 0, 255, 1, 64); 258519a81c14SSteve Longerbeam ctrls->hue = v4l2_ctrl_new_std(hdl, ops, V4L2_CID_HUE, 258619a81c14SSteve Longerbeam 0, 359, 1, 0); 258719a81c14SSteve Longerbeam ctrls->contrast = v4l2_ctrl_new_std(hdl, ops, V4L2_CID_CONTRAST, 258819a81c14SSteve Longerbeam 0, 255, 1, 0); 258919a81c14SSteve Longerbeam ctrls->test_pattern = 259019a81c14SSteve Longerbeam v4l2_ctrl_new_std_menu_items(hdl, ops, V4L2_CID_TEST_PATTERN, 259119a81c14SSteve Longerbeam ARRAY_SIZE(test_pattern_menu) - 1, 259219a81c14SSteve Longerbeam 0, 0, test_pattern_menu); 2593ce85705aSHugues Fruchet ctrls->hflip = v4l2_ctrl_new_std(hdl, ops, V4L2_CID_HFLIP, 2594ce85705aSHugues Fruchet 0, 1, 1, 0); 2595ce85705aSHugues Fruchet ctrls->vflip = v4l2_ctrl_new_std(hdl, ops, V4L2_CID_VFLIP, 2596ce85705aSHugues Fruchet 0, 1, 1, 0); 259719a81c14SSteve Longerbeam 25981068fecaSMylène Josserand ctrls->light_freq = 25991068fecaSMylène Josserand v4l2_ctrl_new_std_menu(hdl, ops, 26001068fecaSMylène Josserand V4L2_CID_POWER_LINE_FREQUENCY, 26011068fecaSMylène Josserand V4L2_CID_POWER_LINE_FREQUENCY_AUTO, 0, 26021068fecaSMylène Josserand V4L2_CID_POWER_LINE_FREQUENCY_50HZ); 26031068fecaSMylène Josserand 260419a81c14SSteve Longerbeam if (hdl->error) { 260519a81c14SSteve Longerbeam ret = hdl->error; 260619a81c14SSteve Longerbeam goto free_ctrls; 260719a81c14SSteve Longerbeam } 260819a81c14SSteve Longerbeam 260919a81c14SSteve Longerbeam ctrls->gain->flags |= V4L2_CTRL_FLAG_VOLATILE; 261019a81c14SSteve Longerbeam ctrls->exposure->flags |= V4L2_CTRL_FLAG_VOLATILE; 261119a81c14SSteve Longerbeam 261219a81c14SSteve Longerbeam v4l2_ctrl_auto_cluster(3, &ctrls->auto_wb, 0, false); 261319a81c14SSteve Longerbeam v4l2_ctrl_auto_cluster(2, &ctrls->auto_gain, 0, true); 261419a81c14SSteve Longerbeam v4l2_ctrl_auto_cluster(2, &ctrls->auto_exp, 1, true); 261519a81c14SSteve Longerbeam 261619a81c14SSteve Longerbeam sensor->sd.ctrl_handler = hdl; 261719a81c14SSteve Longerbeam return 0; 261819a81c14SSteve Longerbeam 261919a81c14SSteve Longerbeam free_ctrls: 262019a81c14SSteve Longerbeam v4l2_ctrl_handler_free(hdl); 262119a81c14SSteve Longerbeam return ret; 262219a81c14SSteve Longerbeam } 262319a81c14SSteve Longerbeam 262419a81c14SSteve Longerbeam static int ov5640_enum_frame_size(struct v4l2_subdev *sd, 262519a81c14SSteve Longerbeam struct v4l2_subdev_pad_config *cfg, 262619a81c14SSteve Longerbeam struct v4l2_subdev_frame_size_enum *fse) 262719a81c14SSteve Longerbeam { 262819a81c14SSteve Longerbeam if (fse->pad != 0) 262919a81c14SSteve Longerbeam return -EINVAL; 263019a81c14SSteve Longerbeam if (fse->index >= OV5640_NUM_MODES) 263119a81c14SSteve Longerbeam return -EINVAL; 263219a81c14SSteve Longerbeam 263341d8d7f5SHugues Fruchet fse->min_width = 2634086c25f8SMaxime Ripard ov5640_mode_data[fse->index].hact; 263541d8d7f5SHugues Fruchet fse->max_width = fse->min_width; 263641d8d7f5SHugues Fruchet fse->min_height = 2637086c25f8SMaxime Ripard ov5640_mode_data[fse->index].vact; 263841d8d7f5SHugues Fruchet fse->max_height = fse->min_height; 263919a81c14SSteve Longerbeam 264019a81c14SSteve Longerbeam return 0; 264119a81c14SSteve Longerbeam } 264219a81c14SSteve Longerbeam 264319a81c14SSteve Longerbeam static int ov5640_enum_frame_interval( 264419a81c14SSteve Longerbeam struct v4l2_subdev *sd, 264519a81c14SSteve Longerbeam struct v4l2_subdev_pad_config *cfg, 264619a81c14SSteve Longerbeam struct v4l2_subdev_frame_interval_enum *fie) 264719a81c14SSteve Longerbeam { 264819a81c14SSteve Longerbeam struct ov5640_dev *sensor = to_ov5640_dev(sd); 264919a81c14SSteve Longerbeam struct v4l2_fract tpf; 265019a81c14SSteve Longerbeam int ret; 265119a81c14SSteve Longerbeam 265219a81c14SSteve Longerbeam if (fie->pad != 0) 265319a81c14SSteve Longerbeam return -EINVAL; 265419a81c14SSteve Longerbeam if (fie->index >= OV5640_NUM_FRAMERATES) 265519a81c14SSteve Longerbeam return -EINVAL; 265619a81c14SSteve Longerbeam 265719a81c14SSteve Longerbeam tpf.numerator = 1; 265819a81c14SSteve Longerbeam tpf.denominator = ov5640_framerates[fie->index]; 265919a81c14SSteve Longerbeam 266019a81c14SSteve Longerbeam ret = ov5640_try_frame_interval(sensor, &tpf, 266119a81c14SSteve Longerbeam fie->width, fie->height); 266219a81c14SSteve Longerbeam if (ret < 0) 266319a81c14SSteve Longerbeam return -EINVAL; 266419a81c14SSteve Longerbeam 266519a81c14SSteve Longerbeam fie->interval = tpf; 266619a81c14SSteve Longerbeam return 0; 266719a81c14SSteve Longerbeam } 266819a81c14SSteve Longerbeam 266919a81c14SSteve Longerbeam static int ov5640_g_frame_interval(struct v4l2_subdev *sd, 267019a81c14SSteve Longerbeam struct v4l2_subdev_frame_interval *fi) 267119a81c14SSteve Longerbeam { 267219a81c14SSteve Longerbeam struct ov5640_dev *sensor = to_ov5640_dev(sd); 267319a81c14SSteve Longerbeam 267419a81c14SSteve Longerbeam mutex_lock(&sensor->lock); 267519a81c14SSteve Longerbeam fi->interval = sensor->frame_interval; 267619a81c14SSteve Longerbeam mutex_unlock(&sensor->lock); 267719a81c14SSteve Longerbeam 267819a81c14SSteve Longerbeam return 0; 267919a81c14SSteve Longerbeam } 268019a81c14SSteve Longerbeam 268119a81c14SSteve Longerbeam static int ov5640_s_frame_interval(struct v4l2_subdev *sd, 268219a81c14SSteve Longerbeam struct v4l2_subdev_frame_interval *fi) 268319a81c14SSteve Longerbeam { 268419a81c14SSteve Longerbeam struct ov5640_dev *sensor = to_ov5640_dev(sd); 268519a81c14SSteve Longerbeam const struct ov5640_mode_info *mode; 268619a81c14SSteve Longerbeam int frame_rate, ret = 0; 268719a81c14SSteve Longerbeam 268819a81c14SSteve Longerbeam if (fi->pad != 0) 268919a81c14SSteve Longerbeam return -EINVAL; 269019a81c14SSteve Longerbeam 269119a81c14SSteve Longerbeam mutex_lock(&sensor->lock); 269219a81c14SSteve Longerbeam 269319a81c14SSteve Longerbeam if (sensor->streaming) { 269419a81c14SSteve Longerbeam ret = -EBUSY; 269519a81c14SSteve Longerbeam goto out; 269619a81c14SSteve Longerbeam } 269719a81c14SSteve Longerbeam 269819a81c14SSteve Longerbeam mode = sensor->current_mode; 269919a81c14SSteve Longerbeam 270019a81c14SSteve Longerbeam frame_rate = ov5640_try_frame_interval(sensor, &fi->interval, 2701dba13a0bSMaxime Ripard mode->hact, mode->vact); 270219a81c14SSteve Longerbeam if (frame_rate < 0) 270319a81c14SSteve Longerbeam frame_rate = OV5640_15_FPS; 270419a81c14SSteve Longerbeam 27053c4a7372SHugues Fruchet mode = ov5640_find_mode(sensor, frame_rate, mode->hact, 2706dba13a0bSMaxime Ripard mode->vact, true); 27073c4a7372SHugues Fruchet if (!mode) { 27083c4a7372SHugues Fruchet ret = -EINVAL; 27093c4a7372SHugues Fruchet goto out; 27103c4a7372SHugues Fruchet } 27113c4a7372SHugues Fruchet 27120929983eSHugues Fruchet if (mode != sensor->current_mode || 27130929983eSHugues Fruchet frame_rate != sensor->current_fr) { 27140929983eSHugues Fruchet sensor->current_fr = frame_rate; 27150929983eSHugues Fruchet sensor->frame_interval = fi->interval; 27163c4a7372SHugues Fruchet sensor->current_mode = mode; 271719a81c14SSteve Longerbeam sensor->pending_mode_change = true; 27186949d864SHugues Fruchet } 271919a81c14SSteve Longerbeam out: 272019a81c14SSteve Longerbeam mutex_unlock(&sensor->lock); 272119a81c14SSteve Longerbeam return ret; 272219a81c14SSteve Longerbeam } 272319a81c14SSteve Longerbeam 272419a81c14SSteve Longerbeam static int ov5640_enum_mbus_code(struct v4l2_subdev *sd, 272519a81c14SSteve Longerbeam struct v4l2_subdev_pad_config *cfg, 272619a81c14SSteve Longerbeam struct v4l2_subdev_mbus_code_enum *code) 272719a81c14SSteve Longerbeam { 272819a81c14SSteve Longerbeam if (code->pad != 0) 272919a81c14SSteve Longerbeam return -EINVAL; 2730e3ee691dSHugues Fruchet if (code->index >= ARRAY_SIZE(ov5640_formats)) 273119a81c14SSteve Longerbeam return -EINVAL; 273219a81c14SSteve Longerbeam 2733e3ee691dSHugues Fruchet code->code = ov5640_formats[code->index].code; 273419a81c14SSteve Longerbeam return 0; 273519a81c14SSteve Longerbeam } 273619a81c14SSteve Longerbeam 273719a81c14SSteve Longerbeam static int ov5640_s_stream(struct v4l2_subdev *sd, int enable) 273819a81c14SSteve Longerbeam { 273919a81c14SSteve Longerbeam struct ov5640_dev *sensor = to_ov5640_dev(sd); 274019a81c14SSteve Longerbeam int ret = 0; 274119a81c14SSteve Longerbeam 274219a81c14SSteve Longerbeam mutex_lock(&sensor->lock); 274319a81c14SSteve Longerbeam 274419a81c14SSteve Longerbeam if (sensor->streaming == !enable) { 274519a81c14SSteve Longerbeam if (enable && sensor->pending_mode_change) { 2746985cdcb0SHugues Fruchet ret = ov5640_set_mode(sensor); 274719a81c14SSteve Longerbeam if (ret) 274819a81c14SSteve Longerbeam goto out; 2749fb98e29fSHugues Fruchet } 2750e3ee691dSHugues Fruchet 2751fb98e29fSHugues Fruchet if (enable && sensor->pending_fmt_change) { 2752e3ee691dSHugues Fruchet ret = ov5640_set_framefmt(sensor, &sensor->fmt); 2753e3ee691dSHugues Fruchet if (ret) 2754e3ee691dSHugues Fruchet goto out; 2755fb98e29fSHugues Fruchet sensor->pending_fmt_change = false; 275619a81c14SSteve Longerbeam } 275719a81c14SSteve Longerbeam 27582d95e7edSSakari Ailus if (sensor->ep.bus_type == V4L2_MBUS_CSI2_DPHY) 2759f22996dbSHugues Fruchet ret = ov5640_set_stream_mipi(sensor, enable); 2760f22996dbSHugues Fruchet else 2761f22996dbSHugues Fruchet ret = ov5640_set_stream_dvp(sensor, enable); 2762f22996dbSHugues Fruchet 276319a81c14SSteve Longerbeam if (!ret) 276419a81c14SSteve Longerbeam sensor->streaming = enable; 276519a81c14SSteve Longerbeam } 276619a81c14SSteve Longerbeam out: 276719a81c14SSteve Longerbeam mutex_unlock(&sensor->lock); 276819a81c14SSteve Longerbeam return ret; 276919a81c14SSteve Longerbeam } 277019a81c14SSteve Longerbeam 277119a81c14SSteve Longerbeam static const struct v4l2_subdev_core_ops ov5640_core_ops = { 277219a81c14SSteve Longerbeam .s_power = ov5640_s_power, 27732d18fbc5SAkinobu Mita .log_status = v4l2_ctrl_subdev_log_status, 27742d18fbc5SAkinobu Mita .subscribe_event = v4l2_ctrl_subdev_subscribe_event, 27752d18fbc5SAkinobu Mita .unsubscribe_event = v4l2_event_subdev_unsubscribe, 277619a81c14SSteve Longerbeam }; 277719a81c14SSteve Longerbeam 277819a81c14SSteve Longerbeam static const struct v4l2_subdev_video_ops ov5640_video_ops = { 277919a81c14SSteve Longerbeam .g_frame_interval = ov5640_g_frame_interval, 278019a81c14SSteve Longerbeam .s_frame_interval = ov5640_s_frame_interval, 278119a81c14SSteve Longerbeam .s_stream = ov5640_s_stream, 278219a81c14SSteve Longerbeam }; 278319a81c14SSteve Longerbeam 278419a81c14SSteve Longerbeam static const struct v4l2_subdev_pad_ops ov5640_pad_ops = { 278519a81c14SSteve Longerbeam .enum_mbus_code = ov5640_enum_mbus_code, 278619a81c14SSteve Longerbeam .get_fmt = ov5640_get_fmt, 278719a81c14SSteve Longerbeam .set_fmt = ov5640_set_fmt, 278819a81c14SSteve Longerbeam .enum_frame_size = ov5640_enum_frame_size, 278919a81c14SSteve Longerbeam .enum_frame_interval = ov5640_enum_frame_interval, 279019a81c14SSteve Longerbeam }; 279119a81c14SSteve Longerbeam 279219a81c14SSteve Longerbeam static const struct v4l2_subdev_ops ov5640_subdev_ops = { 279319a81c14SSteve Longerbeam .core = &ov5640_core_ops, 279419a81c14SSteve Longerbeam .video = &ov5640_video_ops, 279519a81c14SSteve Longerbeam .pad = &ov5640_pad_ops, 279619a81c14SSteve Longerbeam }; 279719a81c14SSteve Longerbeam 279819a81c14SSteve Longerbeam static int ov5640_get_regulators(struct ov5640_dev *sensor) 279919a81c14SSteve Longerbeam { 280019a81c14SSteve Longerbeam int i; 280119a81c14SSteve Longerbeam 280219a81c14SSteve Longerbeam for (i = 0; i < OV5640_NUM_SUPPLIES; i++) 280319a81c14SSteve Longerbeam sensor->supplies[i].supply = ov5640_supply_name[i]; 280419a81c14SSteve Longerbeam 280519a81c14SSteve Longerbeam return devm_regulator_bulk_get(&sensor->i2c_client->dev, 280619a81c14SSteve Longerbeam OV5640_NUM_SUPPLIES, 280719a81c14SSteve Longerbeam sensor->supplies); 280819a81c14SSteve Longerbeam } 280919a81c14SSteve Longerbeam 28100f7acb52SHugues Fruchet static int ov5640_check_chip_id(struct ov5640_dev *sensor) 28110f7acb52SHugues Fruchet { 28120f7acb52SHugues Fruchet struct i2c_client *client = sensor->i2c_client; 28130f7acb52SHugues Fruchet int ret = 0; 28140f7acb52SHugues Fruchet u16 chip_id; 28150f7acb52SHugues Fruchet 28160f7acb52SHugues Fruchet ret = ov5640_set_power_on(sensor); 28170f7acb52SHugues Fruchet if (ret) 28180f7acb52SHugues Fruchet return ret; 28190f7acb52SHugues Fruchet 28200f7acb52SHugues Fruchet ret = ov5640_read_reg16(sensor, OV5640_REG_CHIP_ID, &chip_id); 28210f7acb52SHugues Fruchet if (ret) { 28220f7acb52SHugues Fruchet dev_err(&client->dev, "%s: failed to read chip identifier\n", 28230f7acb52SHugues Fruchet __func__); 28240f7acb52SHugues Fruchet goto power_off; 28250f7acb52SHugues Fruchet } 28260f7acb52SHugues Fruchet 28270f7acb52SHugues Fruchet if (chip_id != 0x5640) { 28280f7acb52SHugues Fruchet dev_err(&client->dev, "%s: wrong chip identifier, expected 0x5640, got 0x%x\n", 28290f7acb52SHugues Fruchet __func__, chip_id); 28300f7acb52SHugues Fruchet ret = -ENXIO; 28310f7acb52SHugues Fruchet } 28320f7acb52SHugues Fruchet 28330f7acb52SHugues Fruchet power_off: 28340f7acb52SHugues Fruchet ov5640_set_power_off(sensor); 28350f7acb52SHugues Fruchet return ret; 28360f7acb52SHugues Fruchet } 28370f7acb52SHugues Fruchet 283819a81c14SSteve Longerbeam static int ov5640_probe(struct i2c_client *client, 283919a81c14SSteve Longerbeam const struct i2c_device_id *id) 284019a81c14SSteve Longerbeam { 284119a81c14SSteve Longerbeam struct device *dev = &client->dev; 284219a81c14SSteve Longerbeam struct fwnode_handle *endpoint; 284319a81c14SSteve Longerbeam struct ov5640_dev *sensor; 2844e6441fdeSHugues Fruchet struct v4l2_mbus_framefmt *fmt; 2845c3f3ba3eSHugues Fruchet u32 rotation; 284619a81c14SSteve Longerbeam int ret; 284719a81c14SSteve Longerbeam 284819a81c14SSteve Longerbeam sensor = devm_kzalloc(dev, sizeof(*sensor), GFP_KERNEL); 284919a81c14SSteve Longerbeam if (!sensor) 285019a81c14SSteve Longerbeam return -ENOMEM; 285119a81c14SSteve Longerbeam 285219a81c14SSteve Longerbeam sensor->i2c_client = client; 2853fb98e29fSHugues Fruchet 2854fb98e29fSHugues Fruchet /* 2855fb98e29fSHugues Fruchet * default init sequence initialize sensor to 2856fb98e29fSHugues Fruchet * YUV422 UYVY VGA@30fps 2857fb98e29fSHugues Fruchet */ 2858e6441fdeSHugues Fruchet fmt = &sensor->fmt; 2859fb98e29fSHugues Fruchet fmt->code = MEDIA_BUS_FMT_UYVY8_2X8; 2860fb98e29fSHugues Fruchet fmt->colorspace = V4L2_COLORSPACE_SRGB; 2861e6441fdeSHugues Fruchet fmt->ycbcr_enc = V4L2_MAP_YCBCR_ENC_DEFAULT(fmt->colorspace); 2862e6441fdeSHugues Fruchet fmt->quantization = V4L2_QUANTIZATION_FULL_RANGE; 2863e6441fdeSHugues Fruchet fmt->xfer_func = V4L2_MAP_XFER_FUNC_DEFAULT(fmt->colorspace); 2864e6441fdeSHugues Fruchet fmt->width = 640; 2865e6441fdeSHugues Fruchet fmt->height = 480; 2866e6441fdeSHugues Fruchet fmt->field = V4L2_FIELD_NONE; 286719a81c14SSteve Longerbeam sensor->frame_interval.numerator = 1; 286819a81c14SSteve Longerbeam sensor->frame_interval.denominator = ov5640_framerates[OV5640_30_FPS]; 286919a81c14SSteve Longerbeam sensor->current_fr = OV5640_30_FPS; 287019a81c14SSteve Longerbeam sensor->current_mode = 2871086c25f8SMaxime Ripard &ov5640_mode_data[OV5640_MODE_VGA_640_480]; 2872985cdcb0SHugues Fruchet sensor->last_mode = sensor->current_mode; 287319a81c14SSteve Longerbeam 287419a81c14SSteve Longerbeam sensor->ae_target = 52; 287519a81c14SSteve Longerbeam 2876c3f3ba3eSHugues Fruchet /* optional indication of physical rotation of sensor */ 2877c3f3ba3eSHugues Fruchet ret = fwnode_property_read_u32(dev_fwnode(&client->dev), "rotation", 2878c3f3ba3eSHugues Fruchet &rotation); 2879c3f3ba3eSHugues Fruchet if (!ret) { 2880c3f3ba3eSHugues Fruchet switch (rotation) { 2881c3f3ba3eSHugues Fruchet case 180: 2882c3f3ba3eSHugues Fruchet sensor->upside_down = true; 2883c3f3ba3eSHugues Fruchet /* fall through */ 2884c3f3ba3eSHugues Fruchet case 0: 2885c3f3ba3eSHugues Fruchet break; 2886c3f3ba3eSHugues Fruchet default: 2887c3f3ba3eSHugues Fruchet dev_warn(dev, "%u degrees rotation is not supported, ignoring...\n", 2888c3f3ba3eSHugues Fruchet rotation); 2889c3f3ba3eSHugues Fruchet } 2890c3f3ba3eSHugues Fruchet } 2891c3f3ba3eSHugues Fruchet 2892ce96bcf5SSakari Ailus endpoint = fwnode_graph_get_next_endpoint(dev_fwnode(&client->dev), 2893ce96bcf5SSakari Ailus NULL); 289419a81c14SSteve Longerbeam if (!endpoint) { 289519a81c14SSteve Longerbeam dev_err(dev, "endpoint node not found\n"); 289619a81c14SSteve Longerbeam return -EINVAL; 289719a81c14SSteve Longerbeam } 289819a81c14SSteve Longerbeam 289919a81c14SSteve Longerbeam ret = v4l2_fwnode_endpoint_parse(endpoint, &sensor->ep); 290019a81c14SSteve Longerbeam fwnode_handle_put(endpoint); 290119a81c14SSteve Longerbeam if (ret) { 290219a81c14SSteve Longerbeam dev_err(dev, "Could not parse endpoint\n"); 290319a81c14SSteve Longerbeam return ret; 290419a81c14SSteve Longerbeam } 290519a81c14SSteve Longerbeam 290619a81c14SSteve Longerbeam /* get system clock (xclk) */ 290719a81c14SSteve Longerbeam sensor->xclk = devm_clk_get(dev, "xclk"); 290819a81c14SSteve Longerbeam if (IS_ERR(sensor->xclk)) { 290919a81c14SSteve Longerbeam dev_err(dev, "failed to get xclk\n"); 291019a81c14SSteve Longerbeam return PTR_ERR(sensor->xclk); 291119a81c14SSteve Longerbeam } 291219a81c14SSteve Longerbeam 291319a81c14SSteve Longerbeam sensor->xclk_freq = clk_get_rate(sensor->xclk); 291419a81c14SSteve Longerbeam if (sensor->xclk_freq < OV5640_XCLK_MIN || 291519a81c14SSteve Longerbeam sensor->xclk_freq > OV5640_XCLK_MAX) { 291619a81c14SSteve Longerbeam dev_err(dev, "xclk frequency out of range: %d Hz\n", 291719a81c14SSteve Longerbeam sensor->xclk_freq); 291819a81c14SSteve Longerbeam return -EINVAL; 291919a81c14SSteve Longerbeam } 292019a81c14SSteve Longerbeam 292119a81c14SSteve Longerbeam /* request optional power down pin */ 292219a81c14SSteve Longerbeam sensor->pwdn_gpio = devm_gpiod_get_optional(dev, "powerdown", 292319a81c14SSteve Longerbeam GPIOD_OUT_HIGH); 292419a81c14SSteve Longerbeam /* request optional reset pin */ 292519a81c14SSteve Longerbeam sensor->reset_gpio = devm_gpiod_get_optional(dev, "reset", 292619a81c14SSteve Longerbeam GPIOD_OUT_HIGH); 292719a81c14SSteve Longerbeam 292819a81c14SSteve Longerbeam v4l2_i2c_subdev_init(&sensor->sd, client, &ov5640_subdev_ops); 292919a81c14SSteve Longerbeam 29302d18fbc5SAkinobu Mita sensor->sd.flags |= V4L2_SUBDEV_FL_HAS_DEVNODE | 29312d18fbc5SAkinobu Mita V4L2_SUBDEV_FL_HAS_EVENTS; 293219a81c14SSteve Longerbeam sensor->pad.flags = MEDIA_PAD_FL_SOURCE; 293319a81c14SSteve Longerbeam sensor->sd.entity.function = MEDIA_ENT_F_CAM_SENSOR; 293419a81c14SSteve Longerbeam ret = media_entity_pads_init(&sensor->sd.entity, 1, &sensor->pad); 293519a81c14SSteve Longerbeam if (ret) 293619a81c14SSteve Longerbeam return ret; 293719a81c14SSteve Longerbeam 293819a81c14SSteve Longerbeam ret = ov5640_get_regulators(sensor); 293919a81c14SSteve Longerbeam if (ret) 294019a81c14SSteve Longerbeam return ret; 294119a81c14SSteve Longerbeam 294219a81c14SSteve Longerbeam mutex_init(&sensor->lock); 294319a81c14SSteve Longerbeam 29440f7acb52SHugues Fruchet ret = ov5640_check_chip_id(sensor); 29450f7acb52SHugues Fruchet if (ret) 29460f7acb52SHugues Fruchet goto entity_cleanup; 29470f7acb52SHugues Fruchet 294819a81c14SSteve Longerbeam ret = ov5640_init_controls(sensor); 294919a81c14SSteve Longerbeam if (ret) 295019a81c14SSteve Longerbeam goto entity_cleanup; 295119a81c14SSteve Longerbeam 295219a81c14SSteve Longerbeam ret = v4l2_async_register_subdev(&sensor->sd); 295319a81c14SSteve Longerbeam if (ret) 295419a81c14SSteve Longerbeam goto free_ctrls; 295519a81c14SSteve Longerbeam 295619a81c14SSteve Longerbeam return 0; 295719a81c14SSteve Longerbeam 295819a81c14SSteve Longerbeam free_ctrls: 295919a81c14SSteve Longerbeam v4l2_ctrl_handler_free(&sensor->ctrls.handler); 296019a81c14SSteve Longerbeam entity_cleanup: 296119a81c14SSteve Longerbeam mutex_destroy(&sensor->lock); 296219a81c14SSteve Longerbeam media_entity_cleanup(&sensor->sd.entity); 296319a81c14SSteve Longerbeam return ret; 296419a81c14SSteve Longerbeam } 296519a81c14SSteve Longerbeam 296619a81c14SSteve Longerbeam static int ov5640_remove(struct i2c_client *client) 296719a81c14SSteve Longerbeam { 296819a81c14SSteve Longerbeam struct v4l2_subdev *sd = i2c_get_clientdata(client); 296919a81c14SSteve Longerbeam struct ov5640_dev *sensor = to_ov5640_dev(sd); 297019a81c14SSteve Longerbeam 297119a81c14SSteve Longerbeam v4l2_async_unregister_subdev(&sensor->sd); 297219a81c14SSteve Longerbeam mutex_destroy(&sensor->lock); 297319a81c14SSteve Longerbeam media_entity_cleanup(&sensor->sd.entity); 297419a81c14SSteve Longerbeam v4l2_ctrl_handler_free(&sensor->ctrls.handler); 297519a81c14SSteve Longerbeam 297619a81c14SSteve Longerbeam return 0; 297719a81c14SSteve Longerbeam } 297819a81c14SSteve Longerbeam 297919a81c14SSteve Longerbeam static const struct i2c_device_id ov5640_id[] = { 298019a81c14SSteve Longerbeam {"ov5640", 0}, 298119a81c14SSteve Longerbeam {}, 298219a81c14SSteve Longerbeam }; 298319a81c14SSteve Longerbeam MODULE_DEVICE_TABLE(i2c, ov5640_id); 298419a81c14SSteve Longerbeam 298519a81c14SSteve Longerbeam static const struct of_device_id ov5640_dt_ids[] = { 298619a81c14SSteve Longerbeam { .compatible = "ovti,ov5640" }, 298719a81c14SSteve Longerbeam { /* sentinel */ } 298819a81c14SSteve Longerbeam }; 298919a81c14SSteve Longerbeam MODULE_DEVICE_TABLE(of, ov5640_dt_ids); 299019a81c14SSteve Longerbeam 299119a81c14SSteve Longerbeam static struct i2c_driver ov5640_i2c_driver = { 299219a81c14SSteve Longerbeam .driver = { 299319a81c14SSteve Longerbeam .name = "ov5640", 299419a81c14SSteve Longerbeam .of_match_table = ov5640_dt_ids, 299519a81c14SSteve Longerbeam }, 299619a81c14SSteve Longerbeam .id_table = ov5640_id, 299719a81c14SSteve Longerbeam .probe = ov5640_probe, 299819a81c14SSteve Longerbeam .remove = ov5640_remove, 299919a81c14SSteve Longerbeam }; 300019a81c14SSteve Longerbeam 300119a81c14SSteve Longerbeam module_i2c_driver(ov5640_i2c_driver); 300219a81c14SSteve Longerbeam 300319a81c14SSteve Longerbeam MODULE_DESCRIPTION("OV5640 MIPI Camera Subdev Driver"); 300419a81c14SSteve Longerbeam MODULE_LICENSE("GPL"); 3005