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 867cb013b1SChen-Yu Tsai #define OV5640_REG_VFIFO_HSIZE 0x4602 877cb013b1SChen-Yu Tsai #define OV5640_REG_VFIFO_VSIZE 0x4604 882b5c18f9SChen-Yu Tsai #define OV5640_REG_JPG_MODE_SELECT 0x4713 89f22996dbSHugues Fruchet #define OV5640_REG_POLARITY_CTRL00 0x4740 9019a81c14SSteve Longerbeam #define OV5640_REG_MIPI_CTRL00 0x4800 9119a81c14SSteve Longerbeam #define OV5640_REG_DEBUG_MODE 0x4814 92e3ee691dSHugues Fruchet #define OV5640_REG_ISP_FORMAT_MUX_CTRL 0x501f 9319a81c14SSteve Longerbeam #define OV5640_REG_PRE_ISP_TEST_SET1 0x503d 9419a81c14SSteve Longerbeam #define OV5640_REG_SDE_CTRL0 0x5580 9519a81c14SSteve Longerbeam #define OV5640_REG_SDE_CTRL1 0x5581 9619a81c14SSteve Longerbeam #define OV5640_REG_SDE_CTRL3 0x5583 9719a81c14SSteve Longerbeam #define OV5640_REG_SDE_CTRL4 0x5584 9819a81c14SSteve Longerbeam #define OV5640_REG_SDE_CTRL5 0x5585 9919a81c14SSteve Longerbeam #define OV5640_REG_AVG_READOUT 0x56a1 10019a81c14SSteve Longerbeam 10119a81c14SSteve Longerbeam enum ov5640_mode_id { 10219a81c14SSteve Longerbeam OV5640_MODE_QCIF_176_144 = 0, 10319a81c14SSteve Longerbeam OV5640_MODE_QVGA_320_240, 10419a81c14SSteve Longerbeam OV5640_MODE_VGA_640_480, 10519a81c14SSteve Longerbeam OV5640_MODE_NTSC_720_480, 10619a81c14SSteve Longerbeam OV5640_MODE_PAL_720_576, 10719a81c14SSteve Longerbeam OV5640_MODE_XGA_1024_768, 10819a81c14SSteve Longerbeam OV5640_MODE_720P_1280_720, 10919a81c14SSteve Longerbeam OV5640_MODE_1080P_1920_1080, 11019a81c14SSteve Longerbeam OV5640_MODE_QSXGA_2592_1944, 11119a81c14SSteve Longerbeam OV5640_NUM_MODES, 11219a81c14SSteve Longerbeam }; 11319a81c14SSteve Longerbeam 11419a81c14SSteve Longerbeam enum ov5640_frame_rate { 11519a81c14SSteve Longerbeam OV5640_15_FPS = 0, 11619a81c14SSteve Longerbeam OV5640_30_FPS, 117e823fb16SMaxime Ripard OV5640_60_FPS, 11819a81c14SSteve Longerbeam OV5640_NUM_FRAMERATES, 11919a81c14SSteve Longerbeam }; 12019a81c14SSteve Longerbeam 121b7ed3abdSLoic Poulain enum ov5640_format_mux { 122b7ed3abdSLoic Poulain OV5640_FMT_MUX_YUV422 = 0, 123b7ed3abdSLoic Poulain OV5640_FMT_MUX_RGB, 124b7ed3abdSLoic Poulain OV5640_FMT_MUX_DITHER, 125b7ed3abdSLoic Poulain OV5640_FMT_MUX_RAW_DPC, 126b7ed3abdSLoic Poulain OV5640_FMT_MUX_SNR_RAW, 127b7ed3abdSLoic Poulain OV5640_FMT_MUX_RAW_CIP, 128b7ed3abdSLoic Poulain }; 129b7ed3abdSLoic Poulain 130e3ee691dSHugues Fruchet struct ov5640_pixfmt { 131e3ee691dSHugues Fruchet u32 code; 132e3ee691dSHugues Fruchet u32 colorspace; 133e3ee691dSHugues Fruchet }; 134e3ee691dSHugues Fruchet 135e3ee691dSHugues Fruchet static const struct ov5640_pixfmt ov5640_formats[] = { 136d47c4126SHugues Fruchet { MEDIA_BUS_FMT_JPEG_1X8, V4L2_COLORSPACE_JPEG, }, 137e3ee691dSHugues Fruchet { MEDIA_BUS_FMT_UYVY8_2X8, V4L2_COLORSPACE_SRGB, }, 138e3ee691dSHugues Fruchet { MEDIA_BUS_FMT_YUYV8_2X8, V4L2_COLORSPACE_SRGB, }, 139e3ee691dSHugues Fruchet { MEDIA_BUS_FMT_RGB565_2X8_LE, V4L2_COLORSPACE_SRGB, }, 140e3ee691dSHugues Fruchet { MEDIA_BUS_FMT_RGB565_2X8_BE, V4L2_COLORSPACE_SRGB, }, 141b7ed3abdSLoic Poulain { MEDIA_BUS_FMT_SBGGR8_1X8, V4L2_COLORSPACE_SRGB, }, 142b7ed3abdSLoic Poulain { MEDIA_BUS_FMT_SGBRG8_1X8, V4L2_COLORSPACE_SRGB, }, 143b7ed3abdSLoic Poulain { MEDIA_BUS_FMT_SGRBG8_1X8, V4L2_COLORSPACE_SRGB, }, 144b7ed3abdSLoic Poulain { MEDIA_BUS_FMT_SRGGB8_1X8, V4L2_COLORSPACE_SRGB, }, 145e3ee691dSHugues Fruchet }; 146e3ee691dSHugues Fruchet 14719a81c14SSteve Longerbeam /* 14819a81c14SSteve Longerbeam * FIXME: remove this when a subdev API becomes available 14919a81c14SSteve Longerbeam * to set the MIPI CSI-2 virtual channel. 15019a81c14SSteve Longerbeam */ 15119a81c14SSteve Longerbeam static unsigned int virtual_channel; 1528670d70aSHugues Fruchet module_param(virtual_channel, uint, 0444); 15319a81c14SSteve Longerbeam MODULE_PARM_DESC(virtual_channel, 15419a81c14SSteve Longerbeam "MIPI CSI-2 virtual channel (0..3), default 0"); 15519a81c14SSteve Longerbeam 15619a81c14SSteve Longerbeam static const int ov5640_framerates[] = { 15719a81c14SSteve Longerbeam [OV5640_15_FPS] = 15, 15819a81c14SSteve Longerbeam [OV5640_30_FPS] = 30, 159e823fb16SMaxime Ripard [OV5640_60_FPS] = 60, 16019a81c14SSteve Longerbeam }; 16119a81c14SSteve Longerbeam 16219a81c14SSteve Longerbeam /* regulator supplies */ 16319a81c14SSteve Longerbeam static const char * const ov5640_supply_name[] = { 16441d8d7f5SHugues Fruchet "DOVDD", /* Digital I/O (1.8V) supply */ 16519a81c14SSteve Longerbeam "DVDD", /* Digital Core (1.5V) supply */ 16619a81c14SSteve Longerbeam "AVDD", /* Analog (2.8V) supply */ 16719a81c14SSteve Longerbeam }; 16819a81c14SSteve Longerbeam 16919a81c14SSteve Longerbeam #define OV5640_NUM_SUPPLIES ARRAY_SIZE(ov5640_supply_name) 17019a81c14SSteve Longerbeam 17119a81c14SSteve Longerbeam /* 17219a81c14SSteve Longerbeam * Image size under 1280 * 960 are SUBSAMPLING 17319a81c14SSteve Longerbeam * Image size upper 1280 * 960 are SCALING 17419a81c14SSteve Longerbeam */ 17519a81c14SSteve Longerbeam enum ov5640_downsize_mode { 17619a81c14SSteve Longerbeam SUBSAMPLING, 17719a81c14SSteve Longerbeam SCALING, 17819a81c14SSteve Longerbeam }; 17919a81c14SSteve Longerbeam 18019a81c14SSteve Longerbeam struct reg_value { 18119a81c14SSteve Longerbeam u16 reg_addr; 18219a81c14SSteve Longerbeam u8 val; 18319a81c14SSteve Longerbeam u8 mask; 18419a81c14SSteve Longerbeam u32 delay_ms; 18519a81c14SSteve Longerbeam }; 18619a81c14SSteve Longerbeam 18719a81c14SSteve Longerbeam struct ov5640_mode_info { 18819a81c14SSteve Longerbeam enum ov5640_mode_id id; 18919a81c14SSteve Longerbeam enum ov5640_downsize_mode dn_mode; 190dba13a0bSMaxime Ripard u32 hact; 191476dec01SMaxime Ripard u32 htot; 192dba13a0bSMaxime Ripard u32 vact; 193476dec01SMaxime Ripard u32 vtot; 19419a81c14SSteve Longerbeam const struct reg_value *reg_data; 19519a81c14SSteve Longerbeam u32 reg_data_size; 19619a81c14SSteve Longerbeam }; 19719a81c14SSteve Longerbeam 19819a81c14SSteve Longerbeam struct ov5640_ctrls { 19919a81c14SSteve Longerbeam struct v4l2_ctrl_handler handler; 20019a81c14SSteve Longerbeam struct { 20119a81c14SSteve Longerbeam struct v4l2_ctrl *auto_exp; 20219a81c14SSteve Longerbeam struct v4l2_ctrl *exposure; 20319a81c14SSteve Longerbeam }; 20419a81c14SSteve Longerbeam struct { 20519a81c14SSteve Longerbeam struct v4l2_ctrl *auto_wb; 20619a81c14SSteve Longerbeam struct v4l2_ctrl *blue_balance; 20719a81c14SSteve Longerbeam struct v4l2_ctrl *red_balance; 20819a81c14SSteve Longerbeam }; 20919a81c14SSteve Longerbeam struct { 21019a81c14SSteve Longerbeam struct v4l2_ctrl *auto_gain; 21119a81c14SSteve Longerbeam struct v4l2_ctrl *gain; 21219a81c14SSteve Longerbeam }; 21319a81c14SSteve Longerbeam struct v4l2_ctrl *brightness; 2141068fecaSMylène Josserand struct v4l2_ctrl *light_freq; 21519a81c14SSteve Longerbeam struct v4l2_ctrl *saturation; 21619a81c14SSteve Longerbeam struct v4l2_ctrl *contrast; 21719a81c14SSteve Longerbeam struct v4l2_ctrl *hue; 21819a81c14SSteve Longerbeam struct v4l2_ctrl *test_pattern; 219ce85705aSHugues Fruchet struct v4l2_ctrl *hflip; 220ce85705aSHugues Fruchet struct v4l2_ctrl *vflip; 22119a81c14SSteve Longerbeam }; 22219a81c14SSteve Longerbeam 22319a81c14SSteve Longerbeam struct ov5640_dev { 22419a81c14SSteve Longerbeam struct i2c_client *i2c_client; 22519a81c14SSteve Longerbeam struct v4l2_subdev sd; 22619a81c14SSteve Longerbeam struct media_pad pad; 22719a81c14SSteve Longerbeam struct v4l2_fwnode_endpoint ep; /* the parsed DT endpoint info */ 22819a81c14SSteve Longerbeam struct clk *xclk; /* system clock to OV5640 */ 22919a81c14SSteve Longerbeam u32 xclk_freq; 23019a81c14SSteve Longerbeam 23119a81c14SSteve Longerbeam struct regulator_bulk_data supplies[OV5640_NUM_SUPPLIES]; 23219a81c14SSteve Longerbeam struct gpio_desc *reset_gpio; 23319a81c14SSteve Longerbeam struct gpio_desc *pwdn_gpio; 234c3f3ba3eSHugues Fruchet bool upside_down; 23519a81c14SSteve Longerbeam 23619a81c14SSteve Longerbeam /* lock to protect all members below */ 23719a81c14SSteve Longerbeam struct mutex lock; 23819a81c14SSteve Longerbeam 23919a81c14SSteve Longerbeam int power_count; 24019a81c14SSteve Longerbeam 24119a81c14SSteve Longerbeam struct v4l2_mbus_framefmt fmt; 242fb98e29fSHugues Fruchet bool pending_fmt_change; 24319a81c14SSteve Longerbeam 24419a81c14SSteve Longerbeam const struct ov5640_mode_info *current_mode; 245985cdcb0SHugues Fruchet const struct ov5640_mode_info *last_mode; 24619a81c14SSteve Longerbeam enum ov5640_frame_rate current_fr; 24719a81c14SSteve Longerbeam struct v4l2_fract frame_interval; 24819a81c14SSteve Longerbeam 24919a81c14SSteve Longerbeam struct ov5640_ctrls ctrls; 25019a81c14SSteve Longerbeam 25119a81c14SSteve Longerbeam u32 prev_sysclk, prev_hts; 25219a81c14SSteve Longerbeam u32 ae_low, ae_high, ae_target; 25319a81c14SSteve Longerbeam 25419a81c14SSteve Longerbeam bool pending_mode_change; 25519a81c14SSteve Longerbeam bool streaming; 25619a81c14SSteve Longerbeam }; 25719a81c14SSteve Longerbeam 25819a81c14SSteve Longerbeam static inline struct ov5640_dev *to_ov5640_dev(struct v4l2_subdev *sd) 25919a81c14SSteve Longerbeam { 26019a81c14SSteve Longerbeam return container_of(sd, struct ov5640_dev, sd); 26119a81c14SSteve Longerbeam } 26219a81c14SSteve Longerbeam 26319a81c14SSteve Longerbeam static inline struct v4l2_subdev *ctrl_to_sd(struct v4l2_ctrl *ctrl) 26419a81c14SSteve Longerbeam { 26519a81c14SSteve Longerbeam return &container_of(ctrl->handler, struct ov5640_dev, 26619a81c14SSteve Longerbeam ctrls.handler)->sd; 26719a81c14SSteve Longerbeam } 26819a81c14SSteve Longerbeam 26919a81c14SSteve Longerbeam /* 27019a81c14SSteve Longerbeam * FIXME: all of these register tables are likely filled with 27119a81c14SSteve Longerbeam * entries that set the register to their power-on default values, 27219a81c14SSteve Longerbeam * and which are otherwise not touched by this driver. Those entries 27319a81c14SSteve Longerbeam * should be identified and removed to speed register load time 27419a81c14SSteve Longerbeam * over i2c. 27519a81c14SSteve Longerbeam */ 276fb98e29fSHugues Fruchet /* YUV422 UYVY VGA@30fps */ 27719a81c14SSteve Longerbeam static const struct reg_value ov5640_init_setting_30fps_VGA[] = { 27819a81c14SSteve Longerbeam {0x3103, 0x11, 0, 0}, {0x3008, 0x82, 0, 5}, {0x3008, 0x42, 0, 0}, 27919a81c14SSteve Longerbeam {0x3103, 0x03, 0, 0}, {0x3017, 0x00, 0, 0}, {0x3018, 0x00, 0, 0}, 280c14d107eSMaxime Ripard {0x3630, 0x36, 0, 0}, 28119a81c14SSteve Longerbeam {0x3631, 0x0e, 0, 0}, {0x3632, 0xe2, 0, 0}, {0x3633, 0x12, 0, 0}, 28219a81c14SSteve Longerbeam {0x3621, 0xe0, 0, 0}, {0x3704, 0xa0, 0, 0}, {0x3703, 0x5a, 0, 0}, 28319a81c14SSteve Longerbeam {0x3715, 0x78, 0, 0}, {0x3717, 0x01, 0, 0}, {0x370b, 0x60, 0, 0}, 28419a81c14SSteve Longerbeam {0x3705, 0x1a, 0, 0}, {0x3905, 0x02, 0, 0}, {0x3906, 0x10, 0, 0}, 28519a81c14SSteve Longerbeam {0x3901, 0x0a, 0, 0}, {0x3731, 0x12, 0, 0}, {0x3600, 0x08, 0, 0}, 28619a81c14SSteve Longerbeam {0x3601, 0x33, 0, 0}, {0x302d, 0x60, 0, 0}, {0x3620, 0x52, 0, 0}, 28719a81c14SSteve Longerbeam {0x371b, 0x20, 0, 0}, {0x471c, 0x50, 0, 0}, {0x3a13, 0x43, 0, 0}, 28819a81c14SSteve Longerbeam {0x3a18, 0x00, 0, 0}, {0x3a19, 0xf8, 0, 0}, {0x3635, 0x13, 0, 0}, 28919a81c14SSteve Longerbeam {0x3636, 0x03, 0, 0}, {0x3634, 0x40, 0, 0}, {0x3622, 0x01, 0, 0}, 29019a81c14SSteve Longerbeam {0x3c01, 0xa4, 0, 0}, {0x3c04, 0x28, 0, 0}, {0x3c05, 0x98, 0, 0}, 29119a81c14SSteve Longerbeam {0x3c06, 0x00, 0, 0}, {0x3c07, 0x08, 0, 0}, {0x3c08, 0x00, 0, 0}, 29219a81c14SSteve Longerbeam {0x3c09, 0x1c, 0, 0}, {0x3c0a, 0x9c, 0, 0}, {0x3c0b, 0x40, 0, 0}, 29319a81c14SSteve Longerbeam {0x3820, 0x41, 0, 0}, {0x3821, 0x07, 0, 0}, {0x3814, 0x31, 0, 0}, 29419a81c14SSteve Longerbeam {0x3815, 0x31, 0, 0}, {0x3800, 0x00, 0, 0}, {0x3801, 0x00, 0, 0}, 29519a81c14SSteve Longerbeam {0x3802, 0x00, 0, 0}, {0x3803, 0x04, 0, 0}, {0x3804, 0x0a, 0, 0}, 29619a81c14SSteve Longerbeam {0x3805, 0x3f, 0, 0}, {0x3806, 0x07, 0, 0}, {0x3807, 0x9b, 0, 0}, 297476dec01SMaxime Ripard {0x3810, 0x00, 0, 0}, 29819a81c14SSteve Longerbeam {0x3811, 0x10, 0, 0}, {0x3812, 0x00, 0, 0}, {0x3813, 0x06, 0, 0}, 29919a81c14SSteve Longerbeam {0x3618, 0x00, 0, 0}, {0x3612, 0x29, 0, 0}, {0x3708, 0x64, 0, 0}, 30019a81c14SSteve Longerbeam {0x3709, 0x52, 0, 0}, {0x370c, 0x03, 0, 0}, {0x3a02, 0x03, 0, 0}, 30119a81c14SSteve Longerbeam {0x3a03, 0xd8, 0, 0}, {0x3a08, 0x01, 0, 0}, {0x3a09, 0x27, 0, 0}, 30219a81c14SSteve Longerbeam {0x3a0a, 0x00, 0, 0}, {0x3a0b, 0xf6, 0, 0}, {0x3a0e, 0x03, 0, 0}, 30319a81c14SSteve Longerbeam {0x3a0d, 0x04, 0, 0}, {0x3a14, 0x03, 0, 0}, {0x3a15, 0xd8, 0, 0}, 30419a81c14SSteve Longerbeam {0x4001, 0x02, 0, 0}, {0x4004, 0x02, 0, 0}, {0x3000, 0x00, 0, 0}, 30519a81c14SSteve Longerbeam {0x3002, 0x1c, 0, 0}, {0x3004, 0xff, 0, 0}, {0x3006, 0xc3, 0, 0}, 306aa4bb8b8SJacopo Mondi {0x302e, 0x08, 0, 0}, {0x4300, 0x3f, 0, 0}, 3072b5c18f9SChen-Yu Tsai {0x501f, 0x00, 0, 0}, {0x4407, 0x04, 0, 0}, 30819a81c14SSteve Longerbeam {0x440e, 0x00, 0, 0}, {0x460b, 0x35, 0, 0}, {0x460c, 0x22, 0, 0}, 309aa4bb8b8SJacopo Mondi {0x4837, 0x0a, 0, 0}, {0x3824, 0x02, 0, 0}, 31019a81c14SSteve Longerbeam {0x5000, 0xa7, 0, 0}, {0x5001, 0xa3, 0, 0}, {0x5180, 0xff, 0, 0}, 31119a81c14SSteve Longerbeam {0x5181, 0xf2, 0, 0}, {0x5182, 0x00, 0, 0}, {0x5183, 0x14, 0, 0}, 31219a81c14SSteve Longerbeam {0x5184, 0x25, 0, 0}, {0x5185, 0x24, 0, 0}, {0x5186, 0x09, 0, 0}, 31319a81c14SSteve Longerbeam {0x5187, 0x09, 0, 0}, {0x5188, 0x09, 0, 0}, {0x5189, 0x88, 0, 0}, 31419a81c14SSteve Longerbeam {0x518a, 0x54, 0, 0}, {0x518b, 0xee, 0, 0}, {0x518c, 0xb2, 0, 0}, 31519a81c14SSteve Longerbeam {0x518d, 0x50, 0, 0}, {0x518e, 0x34, 0, 0}, {0x518f, 0x6b, 0, 0}, 31619a81c14SSteve Longerbeam {0x5190, 0x46, 0, 0}, {0x5191, 0xf8, 0, 0}, {0x5192, 0x04, 0, 0}, 31719a81c14SSteve Longerbeam {0x5193, 0x70, 0, 0}, {0x5194, 0xf0, 0, 0}, {0x5195, 0xf0, 0, 0}, 31819a81c14SSteve Longerbeam {0x5196, 0x03, 0, 0}, {0x5197, 0x01, 0, 0}, {0x5198, 0x04, 0, 0}, 31919a81c14SSteve Longerbeam {0x5199, 0x6c, 0, 0}, {0x519a, 0x04, 0, 0}, {0x519b, 0x00, 0, 0}, 32019a81c14SSteve Longerbeam {0x519c, 0x09, 0, 0}, {0x519d, 0x2b, 0, 0}, {0x519e, 0x38, 0, 0}, 32119a81c14SSteve Longerbeam {0x5381, 0x1e, 0, 0}, {0x5382, 0x5b, 0, 0}, {0x5383, 0x08, 0, 0}, 32219a81c14SSteve Longerbeam {0x5384, 0x0a, 0, 0}, {0x5385, 0x7e, 0, 0}, {0x5386, 0x88, 0, 0}, 32319a81c14SSteve Longerbeam {0x5387, 0x7c, 0, 0}, {0x5388, 0x6c, 0, 0}, {0x5389, 0x10, 0, 0}, 32419a81c14SSteve Longerbeam {0x538a, 0x01, 0, 0}, {0x538b, 0x98, 0, 0}, {0x5300, 0x08, 0, 0}, 32519a81c14SSteve Longerbeam {0x5301, 0x30, 0, 0}, {0x5302, 0x10, 0, 0}, {0x5303, 0x00, 0, 0}, 32619a81c14SSteve Longerbeam {0x5304, 0x08, 0, 0}, {0x5305, 0x30, 0, 0}, {0x5306, 0x08, 0, 0}, 32719a81c14SSteve Longerbeam {0x5307, 0x16, 0, 0}, {0x5309, 0x08, 0, 0}, {0x530a, 0x30, 0, 0}, 32819a81c14SSteve Longerbeam {0x530b, 0x04, 0, 0}, {0x530c, 0x06, 0, 0}, {0x5480, 0x01, 0, 0}, 32919a81c14SSteve Longerbeam {0x5481, 0x08, 0, 0}, {0x5482, 0x14, 0, 0}, {0x5483, 0x28, 0, 0}, 33019a81c14SSteve Longerbeam {0x5484, 0x51, 0, 0}, {0x5485, 0x65, 0, 0}, {0x5486, 0x71, 0, 0}, 33119a81c14SSteve Longerbeam {0x5487, 0x7d, 0, 0}, {0x5488, 0x87, 0, 0}, {0x5489, 0x91, 0, 0}, 33219a81c14SSteve Longerbeam {0x548a, 0x9a, 0, 0}, {0x548b, 0xaa, 0, 0}, {0x548c, 0xb8, 0, 0}, 33319a81c14SSteve Longerbeam {0x548d, 0xcd, 0, 0}, {0x548e, 0xdd, 0, 0}, {0x548f, 0xea, 0, 0}, 33419a81c14SSteve Longerbeam {0x5490, 0x1d, 0, 0}, {0x5580, 0x02, 0, 0}, {0x5583, 0x40, 0, 0}, 33519a81c14SSteve Longerbeam {0x5584, 0x10, 0, 0}, {0x5589, 0x10, 0, 0}, {0x558a, 0x00, 0, 0}, 33619a81c14SSteve Longerbeam {0x558b, 0xf8, 0, 0}, {0x5800, 0x23, 0, 0}, {0x5801, 0x14, 0, 0}, 33719a81c14SSteve Longerbeam {0x5802, 0x0f, 0, 0}, {0x5803, 0x0f, 0, 0}, {0x5804, 0x12, 0, 0}, 33819a81c14SSteve Longerbeam {0x5805, 0x26, 0, 0}, {0x5806, 0x0c, 0, 0}, {0x5807, 0x08, 0, 0}, 33919a81c14SSteve Longerbeam {0x5808, 0x05, 0, 0}, {0x5809, 0x05, 0, 0}, {0x580a, 0x08, 0, 0}, 34019a81c14SSteve Longerbeam {0x580b, 0x0d, 0, 0}, {0x580c, 0x08, 0, 0}, {0x580d, 0x03, 0, 0}, 34119a81c14SSteve Longerbeam {0x580e, 0x00, 0, 0}, {0x580f, 0x00, 0, 0}, {0x5810, 0x03, 0, 0}, 34219a81c14SSteve Longerbeam {0x5811, 0x09, 0, 0}, {0x5812, 0x07, 0, 0}, {0x5813, 0x03, 0, 0}, 34319a81c14SSteve Longerbeam {0x5814, 0x00, 0, 0}, {0x5815, 0x01, 0, 0}, {0x5816, 0x03, 0, 0}, 34419a81c14SSteve Longerbeam {0x5817, 0x08, 0, 0}, {0x5818, 0x0d, 0, 0}, {0x5819, 0x08, 0, 0}, 34519a81c14SSteve Longerbeam {0x581a, 0x05, 0, 0}, {0x581b, 0x06, 0, 0}, {0x581c, 0x08, 0, 0}, 34619a81c14SSteve Longerbeam {0x581d, 0x0e, 0, 0}, {0x581e, 0x29, 0, 0}, {0x581f, 0x17, 0, 0}, 34719a81c14SSteve Longerbeam {0x5820, 0x11, 0, 0}, {0x5821, 0x11, 0, 0}, {0x5822, 0x15, 0, 0}, 34819a81c14SSteve Longerbeam {0x5823, 0x28, 0, 0}, {0x5824, 0x46, 0, 0}, {0x5825, 0x26, 0, 0}, 34919a81c14SSteve Longerbeam {0x5826, 0x08, 0, 0}, {0x5827, 0x26, 0, 0}, {0x5828, 0x64, 0, 0}, 35019a81c14SSteve Longerbeam {0x5829, 0x26, 0, 0}, {0x582a, 0x24, 0, 0}, {0x582b, 0x22, 0, 0}, 35119a81c14SSteve Longerbeam {0x582c, 0x24, 0, 0}, {0x582d, 0x24, 0, 0}, {0x582e, 0x06, 0, 0}, 35219a81c14SSteve Longerbeam {0x582f, 0x22, 0, 0}, {0x5830, 0x40, 0, 0}, {0x5831, 0x42, 0, 0}, 35319a81c14SSteve Longerbeam {0x5832, 0x24, 0, 0}, {0x5833, 0x26, 0, 0}, {0x5834, 0x24, 0, 0}, 35419a81c14SSteve Longerbeam {0x5835, 0x22, 0, 0}, {0x5836, 0x22, 0, 0}, {0x5837, 0x26, 0, 0}, 35519a81c14SSteve Longerbeam {0x5838, 0x44, 0, 0}, {0x5839, 0x24, 0, 0}, {0x583a, 0x26, 0, 0}, 35619a81c14SSteve Longerbeam {0x583b, 0x28, 0, 0}, {0x583c, 0x42, 0, 0}, {0x583d, 0xce, 0, 0}, 35719a81c14SSteve Longerbeam {0x5025, 0x00, 0, 0}, {0x3a0f, 0x30, 0, 0}, {0x3a10, 0x28, 0, 0}, 35819a81c14SSteve Longerbeam {0x3a1b, 0x30, 0, 0}, {0x3a1e, 0x26, 0, 0}, {0x3a11, 0x60, 0, 0}, 35919a81c14SSteve Longerbeam {0x3a1f, 0x14, 0, 0}, {0x3008, 0x02, 0, 0}, {0x3c00, 0x04, 0, 300}, 36019a81c14SSteve Longerbeam }; 36119a81c14SSteve Longerbeam 362086c25f8SMaxime Ripard static const struct reg_value ov5640_setting_VGA_640_480[] = { 363c14d107eSMaxime Ripard {0x3c07, 0x08, 0, 0}, 36419a81c14SSteve Longerbeam {0x3c09, 0x1c, 0, 0}, {0x3c0a, 0x9c, 0, 0}, {0x3c0b, 0x40, 0, 0}, 365ce85705aSHugues Fruchet {0x3814, 0x31, 0, 0}, 36619a81c14SSteve Longerbeam {0x3815, 0x31, 0, 0}, {0x3800, 0x00, 0, 0}, {0x3801, 0x00, 0, 0}, 36719a81c14SSteve Longerbeam {0x3802, 0x00, 0, 0}, {0x3803, 0x04, 0, 0}, {0x3804, 0x0a, 0, 0}, 36819a81c14SSteve Longerbeam {0x3805, 0x3f, 0, 0}, {0x3806, 0x07, 0, 0}, {0x3807, 0x9b, 0, 0}, 369476dec01SMaxime Ripard {0x3810, 0x00, 0, 0}, 37019a81c14SSteve Longerbeam {0x3811, 0x10, 0, 0}, {0x3812, 0x00, 0, 0}, {0x3813, 0x06, 0, 0}, 37119a81c14SSteve Longerbeam {0x3618, 0x00, 0, 0}, {0x3612, 0x29, 0, 0}, {0x3708, 0x64, 0, 0}, 37219a81c14SSteve Longerbeam {0x3709, 0x52, 0, 0}, {0x370c, 0x03, 0, 0}, {0x3a02, 0x03, 0, 0}, 37319a81c14SSteve Longerbeam {0x3a03, 0xd8, 0, 0}, {0x3a08, 0x01, 0, 0}, {0x3a09, 0x27, 0, 0}, 37419a81c14SSteve Longerbeam {0x3a0a, 0x00, 0, 0}, {0x3a0b, 0xf6, 0, 0}, {0x3a0e, 0x03, 0, 0}, 37519a81c14SSteve Longerbeam {0x3a0d, 0x04, 0, 0}, {0x3a14, 0x03, 0, 0}, {0x3a15, 0xd8, 0, 0}, 3762b5c18f9SChen-Yu Tsai {0x4001, 0x02, 0, 0}, {0x4004, 0x02, 0, 0}, 37719a81c14SSteve Longerbeam {0x4407, 0x04, 0, 0}, {0x460b, 0x35, 0, 0}, {0x460c, 0x22, 0, 0}, 37819a81c14SSteve Longerbeam {0x3824, 0x02, 0, 0}, {0x5001, 0xa3, 0, 0}, 37919a81c14SSteve Longerbeam }; 38019a81c14SSteve Longerbeam 381086c25f8SMaxime Ripard static const struct reg_value ov5640_setting_XGA_1024_768[] = { 382c14d107eSMaxime Ripard {0x3c07, 0x08, 0, 0}, 38319a81c14SSteve Longerbeam {0x3c09, 0x1c, 0, 0}, {0x3c0a, 0x9c, 0, 0}, {0x3c0b, 0x40, 0, 0}, 384ce85705aSHugues Fruchet {0x3814, 0x31, 0, 0}, 38519a81c14SSteve Longerbeam {0x3815, 0x31, 0, 0}, {0x3800, 0x00, 0, 0}, {0x3801, 0x00, 0, 0}, 38619a81c14SSteve Longerbeam {0x3802, 0x00, 0, 0}, {0x3803, 0x04, 0, 0}, {0x3804, 0x0a, 0, 0}, 38719a81c14SSteve Longerbeam {0x3805, 0x3f, 0, 0}, {0x3806, 0x07, 0, 0}, {0x3807, 0x9b, 0, 0}, 388476dec01SMaxime Ripard {0x3810, 0x00, 0, 0}, 38919a81c14SSteve Longerbeam {0x3811, 0x10, 0, 0}, {0x3812, 0x00, 0, 0}, {0x3813, 0x06, 0, 0}, 39019a81c14SSteve Longerbeam {0x3618, 0x00, 0, 0}, {0x3612, 0x29, 0, 0}, {0x3708, 0x64, 0, 0}, 39119a81c14SSteve Longerbeam {0x3709, 0x52, 0, 0}, {0x370c, 0x03, 0, 0}, {0x3a02, 0x03, 0, 0}, 39219a81c14SSteve Longerbeam {0x3a03, 0xd8, 0, 0}, {0x3a08, 0x01, 0, 0}, {0x3a09, 0x27, 0, 0}, 39319a81c14SSteve Longerbeam {0x3a0a, 0x00, 0, 0}, {0x3a0b, 0xf6, 0, 0}, {0x3a0e, 0x03, 0, 0}, 39419a81c14SSteve Longerbeam {0x3a0d, 0x04, 0, 0}, {0x3a14, 0x03, 0, 0}, {0x3a15, 0xd8, 0, 0}, 3952b5c18f9SChen-Yu Tsai {0x4001, 0x02, 0, 0}, {0x4004, 0x02, 0, 0}, 39619a81c14SSteve Longerbeam {0x4407, 0x04, 0, 0}, {0x460b, 0x35, 0, 0}, {0x460c, 0x22, 0, 0}, 39786633417SMaxime Ripard {0x3824, 0x02, 0, 0}, {0x5001, 0xa3, 0, 0}, 39819a81c14SSteve Longerbeam }; 39919a81c14SSteve Longerbeam 400086c25f8SMaxime Ripard static const struct reg_value ov5640_setting_QVGA_320_240[] = { 401c14d107eSMaxime Ripard {0x3c07, 0x08, 0, 0}, 40219a81c14SSteve Longerbeam {0x3c09, 0x1c, 0, 0}, {0x3c0a, 0x9c, 0, 0}, {0x3c0b, 0x40, 0, 0}, 403ce85705aSHugues Fruchet {0x3814, 0x31, 0, 0}, 40419a81c14SSteve Longerbeam {0x3815, 0x31, 0, 0}, {0x3800, 0x00, 0, 0}, {0x3801, 0x00, 0, 0}, 40519a81c14SSteve Longerbeam {0x3802, 0x00, 0, 0}, {0x3803, 0x04, 0, 0}, {0x3804, 0x0a, 0, 0}, 40619a81c14SSteve Longerbeam {0x3805, 0x3f, 0, 0}, {0x3806, 0x07, 0, 0}, {0x3807, 0x9b, 0, 0}, 407476dec01SMaxime Ripard {0x3810, 0x00, 0, 0}, 40819a81c14SSteve Longerbeam {0x3811, 0x10, 0, 0}, {0x3812, 0x00, 0, 0}, {0x3813, 0x06, 0, 0}, 40919a81c14SSteve Longerbeam {0x3618, 0x00, 0, 0}, {0x3612, 0x29, 0, 0}, {0x3708, 0x64, 0, 0}, 41019a81c14SSteve Longerbeam {0x3709, 0x52, 0, 0}, {0x370c, 0x03, 0, 0}, {0x3a02, 0x03, 0, 0}, 41119a81c14SSteve Longerbeam {0x3a03, 0xd8, 0, 0}, {0x3a08, 0x01, 0, 0}, {0x3a09, 0x27, 0, 0}, 41219a81c14SSteve Longerbeam {0x3a0a, 0x00, 0, 0}, {0x3a0b, 0xf6, 0, 0}, {0x3a0e, 0x03, 0, 0}, 41319a81c14SSteve Longerbeam {0x3a0d, 0x04, 0, 0}, {0x3a14, 0x03, 0, 0}, {0x3a15, 0xd8, 0, 0}, 4142b5c18f9SChen-Yu Tsai {0x4001, 0x02, 0, 0}, {0x4004, 0x02, 0, 0}, 41519a81c14SSteve Longerbeam {0x4407, 0x04, 0, 0}, {0x460b, 0x35, 0, 0}, {0x460c, 0x22, 0, 0}, 41619a81c14SSteve Longerbeam {0x3824, 0x02, 0, 0}, {0x5001, 0xa3, 0, 0}, 41719a81c14SSteve Longerbeam }; 41819a81c14SSteve Longerbeam 419086c25f8SMaxime Ripard static const struct reg_value ov5640_setting_QCIF_176_144[] = { 420c14d107eSMaxime Ripard {0x3c07, 0x08, 0, 0}, 42119a81c14SSteve Longerbeam {0x3c09, 0x1c, 0, 0}, {0x3c0a, 0x9c, 0, 0}, {0x3c0b, 0x40, 0, 0}, 422ce85705aSHugues Fruchet {0x3814, 0x31, 0, 0}, 42319a81c14SSteve Longerbeam {0x3815, 0x31, 0, 0}, {0x3800, 0x00, 0, 0}, {0x3801, 0x00, 0, 0}, 42419a81c14SSteve Longerbeam {0x3802, 0x00, 0, 0}, {0x3803, 0x04, 0, 0}, {0x3804, 0x0a, 0, 0}, 42519a81c14SSteve Longerbeam {0x3805, 0x3f, 0, 0}, {0x3806, 0x07, 0, 0}, {0x3807, 0x9b, 0, 0}, 426476dec01SMaxime Ripard {0x3810, 0x00, 0, 0}, 42719a81c14SSteve Longerbeam {0x3811, 0x10, 0, 0}, {0x3812, 0x00, 0, 0}, {0x3813, 0x06, 0, 0}, 42819a81c14SSteve Longerbeam {0x3618, 0x00, 0, 0}, {0x3612, 0x29, 0, 0}, {0x3708, 0x64, 0, 0}, 42919a81c14SSteve Longerbeam {0x3709, 0x52, 0, 0}, {0x370c, 0x03, 0, 0}, {0x3a02, 0x03, 0, 0}, 43019a81c14SSteve Longerbeam {0x3a03, 0xd8, 0, 0}, {0x3a08, 0x01, 0, 0}, {0x3a09, 0x27, 0, 0}, 43119a81c14SSteve Longerbeam {0x3a0a, 0x00, 0, 0}, {0x3a0b, 0xf6, 0, 0}, {0x3a0e, 0x03, 0, 0}, 43219a81c14SSteve Longerbeam {0x3a0d, 0x04, 0, 0}, {0x3a14, 0x03, 0, 0}, {0x3a15, 0xd8, 0, 0}, 4332b5c18f9SChen-Yu Tsai {0x4001, 0x02, 0, 0}, {0x4004, 0x02, 0, 0}, 43419a81c14SSteve Longerbeam {0x4407, 0x04, 0, 0}, {0x460b, 0x35, 0, 0}, {0x460c, 0x22, 0, 0}, 43519a81c14SSteve Longerbeam {0x3824, 0x02, 0, 0}, {0x5001, 0xa3, 0, 0}, 43619a81c14SSteve Longerbeam }; 43719a81c14SSteve Longerbeam 438086c25f8SMaxime Ripard static const struct reg_value ov5640_setting_NTSC_720_480[] = { 439c14d107eSMaxime Ripard {0x3c07, 0x08, 0, 0}, 44019a81c14SSteve Longerbeam {0x3c09, 0x1c, 0, 0}, {0x3c0a, 0x9c, 0, 0}, {0x3c0b, 0x40, 0, 0}, 441ce85705aSHugues Fruchet {0x3814, 0x31, 0, 0}, 44219a81c14SSteve Longerbeam {0x3815, 0x31, 0, 0}, {0x3800, 0x00, 0, 0}, {0x3801, 0x00, 0, 0}, 44319a81c14SSteve Longerbeam {0x3802, 0x00, 0, 0}, {0x3803, 0x04, 0, 0}, {0x3804, 0x0a, 0, 0}, 44419a81c14SSteve Longerbeam {0x3805, 0x3f, 0, 0}, {0x3806, 0x07, 0, 0}, {0x3807, 0x9b, 0, 0}, 445476dec01SMaxime Ripard {0x3810, 0x00, 0, 0}, 44619a81c14SSteve Longerbeam {0x3811, 0x10, 0, 0}, {0x3812, 0x00, 0, 0}, {0x3813, 0x3c, 0, 0}, 44719a81c14SSteve Longerbeam {0x3618, 0x00, 0, 0}, {0x3612, 0x29, 0, 0}, {0x3708, 0x64, 0, 0}, 44819a81c14SSteve Longerbeam {0x3709, 0x52, 0, 0}, {0x370c, 0x03, 0, 0}, {0x3a02, 0x03, 0, 0}, 44919a81c14SSteve Longerbeam {0x3a03, 0xd8, 0, 0}, {0x3a08, 0x01, 0, 0}, {0x3a09, 0x27, 0, 0}, 45019a81c14SSteve Longerbeam {0x3a0a, 0x00, 0, 0}, {0x3a0b, 0xf6, 0, 0}, {0x3a0e, 0x03, 0, 0}, 45119a81c14SSteve Longerbeam {0x3a0d, 0x04, 0, 0}, {0x3a14, 0x03, 0, 0}, {0x3a15, 0xd8, 0, 0}, 4522b5c18f9SChen-Yu Tsai {0x4001, 0x02, 0, 0}, {0x4004, 0x02, 0, 0}, 45319a81c14SSteve Longerbeam {0x4407, 0x04, 0, 0}, {0x460b, 0x35, 0, 0}, {0x460c, 0x22, 0, 0}, 45419a81c14SSteve Longerbeam {0x3824, 0x02, 0, 0}, {0x5001, 0xa3, 0, 0}, 45519a81c14SSteve Longerbeam }; 45619a81c14SSteve Longerbeam 457086c25f8SMaxime Ripard static const struct reg_value ov5640_setting_PAL_720_576[] = { 458c14d107eSMaxime Ripard {0x3c07, 0x08, 0, 0}, 45919a81c14SSteve Longerbeam {0x3c09, 0x1c, 0, 0}, {0x3c0a, 0x9c, 0, 0}, {0x3c0b, 0x40, 0, 0}, 460ce85705aSHugues Fruchet {0x3814, 0x31, 0, 0}, 46119a81c14SSteve Longerbeam {0x3815, 0x31, 0, 0}, {0x3800, 0x00, 0, 0}, {0x3801, 0x00, 0, 0}, 46219a81c14SSteve Longerbeam {0x3802, 0x00, 0, 0}, {0x3803, 0x04, 0, 0}, {0x3804, 0x0a, 0, 0}, 46319a81c14SSteve Longerbeam {0x3805, 0x3f, 0, 0}, {0x3806, 0x07, 0, 0}, {0x3807, 0x9b, 0, 0}, 464476dec01SMaxime Ripard {0x3810, 0x00, 0, 0}, 46519a81c14SSteve Longerbeam {0x3811, 0x38, 0, 0}, {0x3812, 0x00, 0, 0}, {0x3813, 0x06, 0, 0}, 46619a81c14SSteve Longerbeam {0x3618, 0x00, 0, 0}, {0x3612, 0x29, 0, 0}, {0x3708, 0x64, 0, 0}, 46719a81c14SSteve Longerbeam {0x3709, 0x52, 0, 0}, {0x370c, 0x03, 0, 0}, {0x3a02, 0x03, 0, 0}, 46819a81c14SSteve Longerbeam {0x3a03, 0xd8, 0, 0}, {0x3a08, 0x01, 0, 0}, {0x3a09, 0x27, 0, 0}, 46919a81c14SSteve Longerbeam {0x3a0a, 0x00, 0, 0}, {0x3a0b, 0xf6, 0, 0}, {0x3a0e, 0x03, 0, 0}, 47019a81c14SSteve Longerbeam {0x3a0d, 0x04, 0, 0}, {0x3a14, 0x03, 0, 0}, {0x3a15, 0xd8, 0, 0}, 4712b5c18f9SChen-Yu Tsai {0x4001, 0x02, 0, 0}, {0x4004, 0x02, 0, 0}, 47219a81c14SSteve Longerbeam {0x4407, 0x04, 0, 0}, {0x460b, 0x35, 0, 0}, {0x460c, 0x22, 0, 0}, 47319a81c14SSteve Longerbeam {0x3824, 0x02, 0, 0}, {0x5001, 0xa3, 0, 0}, 47419a81c14SSteve Longerbeam }; 47519a81c14SSteve Longerbeam 476086c25f8SMaxime Ripard static const struct reg_value ov5640_setting_720P_1280_720[] = { 477c14d107eSMaxime Ripard {0x3c07, 0x07, 0, 0}, 47819a81c14SSteve Longerbeam {0x3c09, 0x1c, 0, 0}, {0x3c0a, 0x9c, 0, 0}, {0x3c0b, 0x40, 0, 0}, 479ce85705aSHugues Fruchet {0x3814, 0x31, 0, 0}, 48019a81c14SSteve Longerbeam {0x3815, 0x31, 0, 0}, {0x3800, 0x00, 0, 0}, {0x3801, 0x00, 0, 0}, 48119a81c14SSteve Longerbeam {0x3802, 0x00, 0, 0}, {0x3803, 0xfa, 0, 0}, {0x3804, 0x0a, 0, 0}, 48219a81c14SSteve Longerbeam {0x3805, 0x3f, 0, 0}, {0x3806, 0x06, 0, 0}, {0x3807, 0xa9, 0, 0}, 483476dec01SMaxime Ripard {0x3810, 0x00, 0, 0}, 48419a81c14SSteve Longerbeam {0x3811, 0x10, 0, 0}, {0x3812, 0x00, 0, 0}, {0x3813, 0x04, 0, 0}, 48519a81c14SSteve Longerbeam {0x3618, 0x00, 0, 0}, {0x3612, 0x29, 0, 0}, {0x3708, 0x64, 0, 0}, 48619a81c14SSteve Longerbeam {0x3709, 0x52, 0, 0}, {0x370c, 0x03, 0, 0}, {0x3a02, 0x02, 0, 0}, 48719a81c14SSteve Longerbeam {0x3a03, 0xe4, 0, 0}, {0x3a08, 0x01, 0, 0}, {0x3a09, 0xbc, 0, 0}, 48819a81c14SSteve Longerbeam {0x3a0a, 0x01, 0, 0}, {0x3a0b, 0x72, 0, 0}, {0x3a0e, 0x01, 0, 0}, 48919a81c14SSteve Longerbeam {0x3a0d, 0x02, 0, 0}, {0x3a14, 0x02, 0, 0}, {0x3a15, 0xe4, 0, 0}, 4902b5c18f9SChen-Yu Tsai {0x4001, 0x02, 0, 0}, {0x4004, 0x02, 0, 0}, 49119a81c14SSteve Longerbeam {0x4407, 0x04, 0, 0}, {0x460b, 0x37, 0, 0}, {0x460c, 0x20, 0, 0}, 49219a81c14SSteve Longerbeam {0x3824, 0x04, 0, 0}, {0x5001, 0x83, 0, 0}, 49319a81c14SSteve Longerbeam }; 49419a81c14SSteve Longerbeam 495086c25f8SMaxime Ripard static const struct reg_value ov5640_setting_1080P_1920_1080[] = { 49619a81c14SSteve Longerbeam {0x3008, 0x42, 0, 0}, 497c14d107eSMaxime Ripard {0x3c07, 0x08, 0, 0}, 49819a81c14SSteve Longerbeam {0x3c09, 0x1c, 0, 0}, {0x3c0a, 0x9c, 0, 0}, {0x3c0b, 0x40, 0, 0}, 499ce85705aSHugues Fruchet {0x3814, 0x11, 0, 0}, 50019a81c14SSteve Longerbeam {0x3815, 0x11, 0, 0}, {0x3800, 0x00, 0, 0}, {0x3801, 0x00, 0, 0}, 50119a81c14SSteve Longerbeam {0x3802, 0x00, 0, 0}, {0x3803, 0x00, 0, 0}, {0x3804, 0x0a, 0, 0}, 50219a81c14SSteve Longerbeam {0x3805, 0x3f, 0, 0}, {0x3806, 0x07, 0, 0}, {0x3807, 0x9f, 0, 0}, 503476dec01SMaxime Ripard {0x3810, 0x00, 0, 0}, 50419a81c14SSteve Longerbeam {0x3811, 0x10, 0, 0}, {0x3812, 0x00, 0, 0}, {0x3813, 0x04, 0, 0}, 50519a81c14SSteve Longerbeam {0x3618, 0x04, 0, 0}, {0x3612, 0x29, 0, 0}, {0x3708, 0x21, 0, 0}, 50619a81c14SSteve Longerbeam {0x3709, 0x12, 0, 0}, {0x370c, 0x00, 0, 0}, {0x3a02, 0x03, 0, 0}, 50719a81c14SSteve Longerbeam {0x3a03, 0xd8, 0, 0}, {0x3a08, 0x01, 0, 0}, {0x3a09, 0x27, 0, 0}, 50819a81c14SSteve Longerbeam {0x3a0a, 0x00, 0, 0}, {0x3a0b, 0xf6, 0, 0}, {0x3a0e, 0x03, 0, 0}, 50919a81c14SSteve Longerbeam {0x3a0d, 0x04, 0, 0}, {0x3a14, 0x03, 0, 0}, {0x3a15, 0xd8, 0, 0}, 5102b5c18f9SChen-Yu Tsai {0x4001, 0x02, 0, 0}, {0x4004, 0x06, 0, 0}, 51119a81c14SSteve Longerbeam {0x4407, 0x04, 0, 0}, {0x460b, 0x35, 0, 0}, {0x460c, 0x22, 0, 0}, 512c14d107eSMaxime Ripard {0x3824, 0x02, 0, 0}, {0x5001, 0x83, 0, 0}, 513c14d107eSMaxime Ripard {0x3c07, 0x07, 0, 0}, {0x3c08, 0x00, 0, 0}, 51419a81c14SSteve Longerbeam {0x3c09, 0x1c, 0, 0}, {0x3c0a, 0x9c, 0, 0}, {0x3c0b, 0x40, 0, 0}, 51519a81c14SSteve Longerbeam {0x3800, 0x01, 0, 0}, {0x3801, 0x50, 0, 0}, {0x3802, 0x01, 0, 0}, 51619a81c14SSteve Longerbeam {0x3803, 0xb2, 0, 0}, {0x3804, 0x08, 0, 0}, {0x3805, 0xef, 0, 0}, 51786633417SMaxime Ripard {0x3806, 0x05, 0, 0}, {0x3807, 0xf1, 0, 0}, 518476dec01SMaxime Ripard {0x3612, 0x2b, 0, 0}, {0x3708, 0x64, 0, 0}, 51919a81c14SSteve Longerbeam {0x3a02, 0x04, 0, 0}, {0x3a03, 0x60, 0, 0}, {0x3a08, 0x01, 0, 0}, 52019a81c14SSteve Longerbeam {0x3a09, 0x50, 0, 0}, {0x3a0a, 0x01, 0, 0}, {0x3a0b, 0x18, 0, 0}, 52119a81c14SSteve Longerbeam {0x3a0e, 0x03, 0, 0}, {0x3a0d, 0x04, 0, 0}, {0x3a14, 0x04, 0, 0}, 5222b5c18f9SChen-Yu Tsai {0x3a15, 0x60, 0, 0}, {0x4407, 0x04, 0, 0}, 52319a81c14SSteve Longerbeam {0x460b, 0x37, 0, 0}, {0x460c, 0x20, 0, 0}, {0x3824, 0x04, 0, 0}, 5241da3afb5SMaxime Ripard {0x4005, 0x1a, 0, 0}, {0x3008, 0x02, 0, 0}, 52519a81c14SSteve Longerbeam }; 52619a81c14SSteve Longerbeam 527086c25f8SMaxime Ripard static const struct reg_value ov5640_setting_QSXGA_2592_1944[] = { 528c14d107eSMaxime Ripard {0x3c07, 0x08, 0, 0}, 52919a81c14SSteve Longerbeam {0x3c09, 0x1c, 0, 0}, {0x3c0a, 0x9c, 0, 0}, {0x3c0b, 0x40, 0, 0}, 530ce85705aSHugues Fruchet {0x3814, 0x11, 0, 0}, 53119a81c14SSteve Longerbeam {0x3815, 0x11, 0, 0}, {0x3800, 0x00, 0, 0}, {0x3801, 0x00, 0, 0}, 53219a81c14SSteve Longerbeam {0x3802, 0x00, 0, 0}, {0x3803, 0x00, 0, 0}, {0x3804, 0x0a, 0, 0}, 53319a81c14SSteve Longerbeam {0x3805, 0x3f, 0, 0}, {0x3806, 0x07, 0, 0}, {0x3807, 0x9f, 0, 0}, 534476dec01SMaxime Ripard {0x3810, 0x00, 0, 0}, 53519a81c14SSteve Longerbeam {0x3811, 0x10, 0, 0}, {0x3812, 0x00, 0, 0}, {0x3813, 0x04, 0, 0}, 53619a81c14SSteve Longerbeam {0x3618, 0x04, 0, 0}, {0x3612, 0x29, 0, 0}, {0x3708, 0x21, 0, 0}, 53719a81c14SSteve Longerbeam {0x3709, 0x12, 0, 0}, {0x370c, 0x00, 0, 0}, {0x3a02, 0x03, 0, 0}, 53819a81c14SSteve Longerbeam {0x3a03, 0xd8, 0, 0}, {0x3a08, 0x01, 0, 0}, {0x3a09, 0x27, 0, 0}, 53919a81c14SSteve Longerbeam {0x3a0a, 0x00, 0, 0}, {0x3a0b, 0xf6, 0, 0}, {0x3a0e, 0x03, 0, 0}, 54019a81c14SSteve Longerbeam {0x3a0d, 0x04, 0, 0}, {0x3a14, 0x03, 0, 0}, {0x3a15, 0xd8, 0, 0}, 5412b5c18f9SChen-Yu Tsai {0x4001, 0x02, 0, 0}, {0x4004, 0x06, 0, 0}, 54219a81c14SSteve Longerbeam {0x4407, 0x04, 0, 0}, {0x460b, 0x35, 0, 0}, {0x460c, 0x22, 0, 0}, 54319a81c14SSteve Longerbeam {0x3824, 0x02, 0, 0}, {0x5001, 0x83, 0, 70}, 54419a81c14SSteve Longerbeam }; 54519a81c14SSteve Longerbeam 54619a81c14SSteve Longerbeam /* power-on sensor init reg table */ 54719a81c14SSteve Longerbeam static const struct ov5640_mode_info ov5640_mode_init_data = { 548476dec01SMaxime Ripard 0, SUBSAMPLING, 640, 1896, 480, 984, 549476dec01SMaxime Ripard ov5640_init_setting_30fps_VGA, 55019a81c14SSteve Longerbeam ARRAY_SIZE(ov5640_init_setting_30fps_VGA), 55119a81c14SSteve Longerbeam }; 55219a81c14SSteve Longerbeam 55319a81c14SSteve Longerbeam static const struct ov5640_mode_info 554086c25f8SMaxime Ripard ov5640_mode_data[OV5640_NUM_MODES] = { 555476dec01SMaxime Ripard {OV5640_MODE_QCIF_176_144, SUBSAMPLING, 556476dec01SMaxime Ripard 176, 1896, 144, 984, 557086c25f8SMaxime Ripard ov5640_setting_QCIF_176_144, 558086c25f8SMaxime Ripard ARRAY_SIZE(ov5640_setting_QCIF_176_144)}, 559476dec01SMaxime Ripard {OV5640_MODE_QVGA_320_240, SUBSAMPLING, 560476dec01SMaxime Ripard 320, 1896, 240, 984, 561086c25f8SMaxime Ripard ov5640_setting_QVGA_320_240, 562086c25f8SMaxime Ripard ARRAY_SIZE(ov5640_setting_QVGA_320_240)}, 563476dec01SMaxime Ripard {OV5640_MODE_VGA_640_480, SUBSAMPLING, 564476dec01SMaxime Ripard 640, 1896, 480, 1080, 565086c25f8SMaxime Ripard ov5640_setting_VGA_640_480, 566086c25f8SMaxime Ripard ARRAY_SIZE(ov5640_setting_VGA_640_480)}, 567476dec01SMaxime Ripard {OV5640_MODE_NTSC_720_480, SUBSAMPLING, 568476dec01SMaxime Ripard 720, 1896, 480, 984, 569086c25f8SMaxime Ripard ov5640_setting_NTSC_720_480, 570086c25f8SMaxime Ripard ARRAY_SIZE(ov5640_setting_NTSC_720_480)}, 571476dec01SMaxime Ripard {OV5640_MODE_PAL_720_576, SUBSAMPLING, 572476dec01SMaxime Ripard 720, 1896, 576, 984, 573086c25f8SMaxime Ripard ov5640_setting_PAL_720_576, 574086c25f8SMaxime Ripard ARRAY_SIZE(ov5640_setting_PAL_720_576)}, 575476dec01SMaxime Ripard {OV5640_MODE_XGA_1024_768, SUBSAMPLING, 576476dec01SMaxime Ripard 1024, 1896, 768, 1080, 577086c25f8SMaxime Ripard ov5640_setting_XGA_1024_768, 578086c25f8SMaxime Ripard ARRAY_SIZE(ov5640_setting_XGA_1024_768)}, 579476dec01SMaxime Ripard {OV5640_MODE_720P_1280_720, SUBSAMPLING, 580476dec01SMaxime Ripard 1280, 1892, 720, 740, 581086c25f8SMaxime Ripard ov5640_setting_720P_1280_720, 582086c25f8SMaxime Ripard ARRAY_SIZE(ov5640_setting_720P_1280_720)}, 583476dec01SMaxime Ripard {OV5640_MODE_1080P_1920_1080, SCALING, 584476dec01SMaxime Ripard 1920, 2500, 1080, 1120, 585086c25f8SMaxime Ripard ov5640_setting_1080P_1920_1080, 586086c25f8SMaxime Ripard ARRAY_SIZE(ov5640_setting_1080P_1920_1080)}, 587476dec01SMaxime Ripard {OV5640_MODE_QSXGA_2592_1944, SCALING, 588476dec01SMaxime Ripard 2592, 2844, 1944, 1968, 589086c25f8SMaxime Ripard ov5640_setting_QSXGA_2592_1944, 590086c25f8SMaxime Ripard ARRAY_SIZE(ov5640_setting_QSXGA_2592_1944)}, 59119a81c14SSteve Longerbeam }; 59219a81c14SSteve Longerbeam 59319a81c14SSteve Longerbeam static int ov5640_init_slave_id(struct ov5640_dev *sensor) 59419a81c14SSteve Longerbeam { 59519a81c14SSteve Longerbeam struct i2c_client *client = sensor->i2c_client; 59619a81c14SSteve Longerbeam struct i2c_msg msg; 59719a81c14SSteve Longerbeam u8 buf[3]; 59819a81c14SSteve Longerbeam int ret; 59919a81c14SSteve Longerbeam 60019a81c14SSteve Longerbeam if (client->addr == OV5640_DEFAULT_SLAVE_ID) 60119a81c14SSteve Longerbeam return 0; 60219a81c14SSteve Longerbeam 60319a81c14SSteve Longerbeam buf[0] = OV5640_REG_SLAVE_ID >> 8; 60419a81c14SSteve Longerbeam buf[1] = OV5640_REG_SLAVE_ID & 0xff; 60519a81c14SSteve Longerbeam buf[2] = client->addr << 1; 60619a81c14SSteve Longerbeam 60719a81c14SSteve Longerbeam msg.addr = OV5640_DEFAULT_SLAVE_ID; 60819a81c14SSteve Longerbeam msg.flags = 0; 60919a81c14SSteve Longerbeam msg.buf = buf; 61019a81c14SSteve Longerbeam msg.len = sizeof(buf); 61119a81c14SSteve Longerbeam 61219a81c14SSteve Longerbeam ret = i2c_transfer(client->adapter, &msg, 1); 61319a81c14SSteve Longerbeam if (ret < 0) { 61419a81c14SSteve Longerbeam dev_err(&client->dev, "%s: failed with %d\n", __func__, ret); 61519a81c14SSteve Longerbeam return ret; 61619a81c14SSteve Longerbeam } 61719a81c14SSteve Longerbeam 61819a81c14SSteve Longerbeam return 0; 61919a81c14SSteve Longerbeam } 62019a81c14SSteve Longerbeam 62119a81c14SSteve Longerbeam static int ov5640_write_reg(struct ov5640_dev *sensor, u16 reg, u8 val) 62219a81c14SSteve Longerbeam { 62319a81c14SSteve Longerbeam struct i2c_client *client = sensor->i2c_client; 62419a81c14SSteve Longerbeam struct i2c_msg msg; 62519a81c14SSteve Longerbeam u8 buf[3]; 62619a81c14SSteve Longerbeam int ret; 62719a81c14SSteve Longerbeam 62819a81c14SSteve Longerbeam buf[0] = reg >> 8; 62919a81c14SSteve Longerbeam buf[1] = reg & 0xff; 63019a81c14SSteve Longerbeam buf[2] = val; 63119a81c14SSteve Longerbeam 63219a81c14SSteve Longerbeam msg.addr = client->addr; 63319a81c14SSteve Longerbeam msg.flags = client->flags; 63419a81c14SSteve Longerbeam msg.buf = buf; 63519a81c14SSteve Longerbeam msg.len = sizeof(buf); 63619a81c14SSteve Longerbeam 63719a81c14SSteve Longerbeam ret = i2c_transfer(client->adapter, &msg, 1); 63819a81c14SSteve Longerbeam if (ret < 0) { 6393924c623SHugues Fruchet dev_err(&client->dev, "%s: error: reg=%x, val=%x\n", 64019a81c14SSteve Longerbeam __func__, reg, val); 64119a81c14SSteve Longerbeam return ret; 64219a81c14SSteve Longerbeam } 64319a81c14SSteve Longerbeam 64419a81c14SSteve Longerbeam return 0; 64519a81c14SSteve Longerbeam } 64619a81c14SSteve Longerbeam 64719a81c14SSteve Longerbeam static int ov5640_read_reg(struct ov5640_dev *sensor, u16 reg, u8 *val) 64819a81c14SSteve Longerbeam { 64919a81c14SSteve Longerbeam struct i2c_client *client = sensor->i2c_client; 65019a81c14SSteve Longerbeam struct i2c_msg msg[2]; 65119a81c14SSteve Longerbeam u8 buf[2]; 65219a81c14SSteve Longerbeam int ret; 65319a81c14SSteve Longerbeam 65419a81c14SSteve Longerbeam buf[0] = reg >> 8; 65519a81c14SSteve Longerbeam buf[1] = reg & 0xff; 65619a81c14SSteve Longerbeam 65719a81c14SSteve Longerbeam msg[0].addr = client->addr; 65819a81c14SSteve Longerbeam msg[0].flags = client->flags; 65919a81c14SSteve Longerbeam msg[0].buf = buf; 66019a81c14SSteve Longerbeam msg[0].len = sizeof(buf); 66119a81c14SSteve Longerbeam 66219a81c14SSteve Longerbeam msg[1].addr = client->addr; 66319a81c14SSteve Longerbeam msg[1].flags = client->flags | I2C_M_RD; 66419a81c14SSteve Longerbeam msg[1].buf = buf; 66519a81c14SSteve Longerbeam msg[1].len = 1; 66619a81c14SSteve Longerbeam 66719a81c14SSteve Longerbeam ret = i2c_transfer(client->adapter, msg, 2); 6683924c623SHugues Fruchet if (ret < 0) { 6693924c623SHugues Fruchet dev_err(&client->dev, "%s: error: reg=%x\n", 6703924c623SHugues Fruchet __func__, reg); 67119a81c14SSteve Longerbeam return ret; 6723924c623SHugues Fruchet } 67319a81c14SSteve Longerbeam 67419a81c14SSteve Longerbeam *val = buf[0]; 67519a81c14SSteve Longerbeam return 0; 67619a81c14SSteve Longerbeam } 67719a81c14SSteve Longerbeam 67819a81c14SSteve Longerbeam static int ov5640_read_reg16(struct ov5640_dev *sensor, u16 reg, u16 *val) 67919a81c14SSteve Longerbeam { 68019a81c14SSteve Longerbeam u8 hi, lo; 68119a81c14SSteve Longerbeam int ret; 68219a81c14SSteve Longerbeam 68319a81c14SSteve Longerbeam ret = ov5640_read_reg(sensor, reg, &hi); 68419a81c14SSteve Longerbeam if (ret) 68519a81c14SSteve Longerbeam return ret; 68619a81c14SSteve Longerbeam ret = ov5640_read_reg(sensor, reg + 1, &lo); 68719a81c14SSteve Longerbeam if (ret) 68819a81c14SSteve Longerbeam return ret; 68919a81c14SSteve Longerbeam 69019a81c14SSteve Longerbeam *val = ((u16)hi << 8) | (u16)lo; 69119a81c14SSteve Longerbeam return 0; 69219a81c14SSteve Longerbeam } 69319a81c14SSteve Longerbeam 69419a81c14SSteve Longerbeam static int ov5640_write_reg16(struct ov5640_dev *sensor, u16 reg, u16 val) 69519a81c14SSteve Longerbeam { 69619a81c14SSteve Longerbeam int ret; 69719a81c14SSteve Longerbeam 69819a81c14SSteve Longerbeam ret = ov5640_write_reg(sensor, reg, val >> 8); 69919a81c14SSteve Longerbeam if (ret) 70019a81c14SSteve Longerbeam return ret; 70119a81c14SSteve Longerbeam 70219a81c14SSteve Longerbeam return ov5640_write_reg(sensor, reg + 1, val & 0xff); 70319a81c14SSteve Longerbeam } 70419a81c14SSteve Longerbeam 70519a81c14SSteve Longerbeam static int ov5640_mod_reg(struct ov5640_dev *sensor, u16 reg, 70619a81c14SSteve Longerbeam u8 mask, u8 val) 70719a81c14SSteve Longerbeam { 70819a81c14SSteve Longerbeam u8 readval; 70919a81c14SSteve Longerbeam int ret; 71019a81c14SSteve Longerbeam 71119a81c14SSteve Longerbeam ret = ov5640_read_reg(sensor, reg, &readval); 71219a81c14SSteve Longerbeam if (ret) 71319a81c14SSteve Longerbeam return ret; 71419a81c14SSteve Longerbeam 71519a81c14SSteve Longerbeam readval &= ~mask; 71619a81c14SSteve Longerbeam val &= mask; 71719a81c14SSteve Longerbeam val |= readval; 71819a81c14SSteve Longerbeam 71919a81c14SSteve Longerbeam return ov5640_write_reg(sensor, reg, val); 72019a81c14SSteve Longerbeam } 72119a81c14SSteve Longerbeam 722aa288248SMaxime Ripard /* 723aa288248SMaxime Ripard * After trying the various combinations, reading various 724f8a7647dSMauro Carvalho Chehab * documentations spread around the net, and from the various 725aa288248SMaxime Ripard * feedback, the clock tree is probably as follows: 726aa288248SMaxime Ripard * 727aa288248SMaxime Ripard * +--------------+ 728aa288248SMaxime Ripard * | Ext. Clock | 729aa288248SMaxime Ripard * +-+------------+ 730aa288248SMaxime Ripard * | +----------+ 731aa288248SMaxime Ripard * +->| PLL1 | - reg 0x3036, for the multiplier 732aa288248SMaxime Ripard * +-+--------+ - reg 0x3037, bits 0-3 for the pre-divider 733aa288248SMaxime Ripard * | +--------------+ 734aa288248SMaxime Ripard * +->| System Clock | - reg 0x3035, bits 4-7 735aa288248SMaxime Ripard * +-+------------+ 736aa288248SMaxime Ripard * | +--------------+ 737aa288248SMaxime Ripard * +->| MIPI Divider | - reg 0x3035, bits 0-3 738aa288248SMaxime Ripard * | +-+------------+ 739aa288248SMaxime Ripard * | +----------------> MIPI SCLK 740aa288248SMaxime Ripard * | + +-----+ 741aa288248SMaxime Ripard * | +->| / 2 |-------> MIPI BIT CLK 742aa288248SMaxime Ripard * | +-----+ 743aa288248SMaxime Ripard * | +--------------+ 744aa288248SMaxime Ripard * +->| PLL Root Div | - reg 0x3037, bit 4 745aa288248SMaxime Ripard * +-+------------+ 746aa288248SMaxime Ripard * | +---------+ 747aa288248SMaxime Ripard * +->| Bit Div | - reg 0x3035, bits 0-3 748aa288248SMaxime Ripard * +-+-------+ 749aa288248SMaxime Ripard * | +-------------+ 750aa288248SMaxime Ripard * +->| SCLK Div | - reg 0x3108, bits 0-1 751aa288248SMaxime Ripard * | +-+-----------+ 752aa288248SMaxime Ripard * | +---------------> SCLK 753aa288248SMaxime Ripard * | +-------------+ 754aa288248SMaxime Ripard * +->| SCLK 2X Div | - reg 0x3108, bits 2-3 755aa288248SMaxime Ripard * | +-+-----------+ 756aa288248SMaxime Ripard * | +---------------> SCLK 2X 757aa288248SMaxime Ripard * | +-------------+ 758aa288248SMaxime Ripard * +->| PCLK Div | - reg 0x3108, bits 4-5 759aa288248SMaxime Ripard * ++------------+ 760aa288248SMaxime Ripard * + +-----------+ 761aa288248SMaxime Ripard * +->| P_DIV | - reg 0x3035, bits 0-3 762aa288248SMaxime Ripard * +-----+-----+ 763aa288248SMaxime Ripard * +------------> PCLK 764aa288248SMaxime Ripard * 765aa288248SMaxime Ripard * This is deviating from the datasheet at least for the register 766aa288248SMaxime Ripard * 0x3108, since it's said here that the PCLK would be clocked from 767aa288248SMaxime Ripard * the PLL. 768aa288248SMaxime Ripard * 769aa288248SMaxime Ripard * There seems to be also (unverified) constraints: 770aa288248SMaxime Ripard * - the PLL pre-divider output rate should be in the 4-27MHz range 771aa288248SMaxime Ripard * - the PLL multiplier output rate should be in the 500-1000MHz range 772aa288248SMaxime Ripard * - PCLK >= SCLK * 2 in YUV, >= SCLK in Raw or JPEG 773aa288248SMaxime Ripard * 774aa288248SMaxime Ripard * In the two latter cases, these constraints are met since our 775aa288248SMaxime Ripard * factors are hardcoded. If we were to change that, we would need to 776aa288248SMaxime Ripard * take this into account. The only varying parts are the PLL 777aa288248SMaxime Ripard * multiplier and the system clock divider, which are shared between 778aa288248SMaxime Ripard * all these clocks so won't cause any issue. 779aa288248SMaxime Ripard */ 780aa288248SMaxime Ripard 781aa288248SMaxime Ripard /* 782aa288248SMaxime Ripard * This is supposed to be ranging from 1 to 8, but the value is always 783aa288248SMaxime Ripard * set to 3 in the vendor kernels. 784aa288248SMaxime Ripard */ 785aa288248SMaxime Ripard #define OV5640_PLL_PREDIV 3 786aa288248SMaxime Ripard 787aa288248SMaxime Ripard #define OV5640_PLL_MULT_MIN 4 788aa288248SMaxime Ripard #define OV5640_PLL_MULT_MAX 252 789aa288248SMaxime Ripard 790aa288248SMaxime Ripard /* 791aa288248SMaxime Ripard * This is supposed to be ranging from 1 to 16, but the value is 792aa288248SMaxime Ripard * always set to either 1 or 2 in the vendor kernels. 793aa288248SMaxime Ripard */ 794aa288248SMaxime Ripard #define OV5640_SYSDIV_MIN 1 795aa288248SMaxime Ripard #define OV5640_SYSDIV_MAX 16 796aa288248SMaxime Ripard 797aa288248SMaxime Ripard /* 798aa288248SMaxime Ripard * Hardcode these values for scaler and non-scaler modes. 799aa288248SMaxime Ripard * FIXME: to be re-calcualted for 1 data lanes setups 800aa288248SMaxime Ripard */ 801aa288248SMaxime Ripard #define OV5640_MIPI_DIV_PCLK 2 802aa288248SMaxime Ripard #define OV5640_MIPI_DIV_SCLK 1 803aa288248SMaxime Ripard 804aa288248SMaxime Ripard /* 805aa288248SMaxime Ripard * This is supposed to be ranging from 1 to 2, but the value is always 806aa288248SMaxime Ripard * set to 2 in the vendor kernels. 807aa288248SMaxime Ripard */ 808aa288248SMaxime Ripard #define OV5640_PLL_ROOT_DIV 2 809aa288248SMaxime Ripard #define OV5640_PLL_CTRL3_PLL_ROOT_DIV_2 BIT(4) 810aa288248SMaxime Ripard 811aa288248SMaxime Ripard /* 812aa288248SMaxime Ripard * We only supports 8-bit formats at the moment 813aa288248SMaxime Ripard */ 814aa288248SMaxime Ripard #define OV5640_BIT_DIV 2 815aa288248SMaxime Ripard #define OV5640_PLL_CTRL0_MIPI_MODE_8BIT 0x08 816aa288248SMaxime Ripard 817aa288248SMaxime Ripard /* 818aa288248SMaxime Ripard * This is supposed to be ranging from 1 to 8, but the value is always 819aa288248SMaxime Ripard * set to 2 in the vendor kernels. 820aa288248SMaxime Ripard */ 821aa288248SMaxime Ripard #define OV5640_SCLK_ROOT_DIV 2 822aa288248SMaxime Ripard 823aa288248SMaxime Ripard /* 824aa288248SMaxime Ripard * This is hardcoded so that the consistency is maintained between SCLK and 825aa288248SMaxime Ripard * SCLK 2x. 826aa288248SMaxime Ripard */ 827aa288248SMaxime Ripard #define OV5640_SCLK2X_ROOT_DIV (OV5640_SCLK_ROOT_DIV / 2) 828aa288248SMaxime Ripard 829aa288248SMaxime Ripard /* 830aa288248SMaxime Ripard * This is supposed to be ranging from 1 to 8, but the value is always 831aa288248SMaxime Ripard * set to 1 in the vendor kernels. 832aa288248SMaxime Ripard */ 833aa288248SMaxime Ripard #define OV5640_PCLK_ROOT_DIV 1 834aa288248SMaxime Ripard #define OV5640_PLL_SYS_ROOT_DIVIDER_BYPASS 0x00 835aa288248SMaxime Ripard 836aa288248SMaxime Ripard static unsigned long ov5640_compute_sys_clk(struct ov5640_dev *sensor, 837aa288248SMaxime Ripard u8 pll_prediv, u8 pll_mult, 838aa288248SMaxime Ripard u8 sysdiv) 839aa288248SMaxime Ripard { 840aa288248SMaxime Ripard unsigned long sysclk = sensor->xclk_freq / pll_prediv * pll_mult; 841aa288248SMaxime Ripard 842aa288248SMaxime Ripard /* PLL1 output cannot exceed 1GHz. */ 843aa288248SMaxime Ripard if (sysclk / 1000000 > 1000) 844aa288248SMaxime Ripard return 0; 845aa288248SMaxime Ripard 846aa288248SMaxime Ripard return sysclk / sysdiv; 847aa288248SMaxime Ripard } 848aa288248SMaxime Ripard 849aa288248SMaxime Ripard static unsigned long ov5640_calc_sys_clk(struct ov5640_dev *sensor, 850aa288248SMaxime Ripard unsigned long rate, 851aa288248SMaxime Ripard u8 *pll_prediv, u8 *pll_mult, 852aa288248SMaxime Ripard u8 *sysdiv) 853aa288248SMaxime Ripard { 854aa288248SMaxime Ripard unsigned long best = ~0; 855aa288248SMaxime Ripard u8 best_sysdiv = 1, best_mult = 1; 856aa288248SMaxime Ripard u8 _sysdiv, _pll_mult; 857aa288248SMaxime Ripard 858aa288248SMaxime Ripard for (_sysdiv = OV5640_SYSDIV_MIN; 859aa288248SMaxime Ripard _sysdiv <= OV5640_SYSDIV_MAX; 860aa288248SMaxime Ripard _sysdiv++) { 861aa288248SMaxime Ripard for (_pll_mult = OV5640_PLL_MULT_MIN; 862aa288248SMaxime Ripard _pll_mult <= OV5640_PLL_MULT_MAX; 863aa288248SMaxime Ripard _pll_mult++) { 864aa288248SMaxime Ripard unsigned long _rate; 865aa288248SMaxime Ripard 866aa288248SMaxime Ripard /* 867aa288248SMaxime Ripard * The PLL multiplier cannot be odd if above 868aa288248SMaxime Ripard * 127. 869aa288248SMaxime Ripard */ 870aa288248SMaxime Ripard if (_pll_mult > 127 && (_pll_mult % 2)) 871aa288248SMaxime Ripard continue; 872aa288248SMaxime Ripard 873aa288248SMaxime Ripard _rate = ov5640_compute_sys_clk(sensor, 874aa288248SMaxime Ripard OV5640_PLL_PREDIV, 875aa288248SMaxime Ripard _pll_mult, _sysdiv); 876aa288248SMaxime Ripard 877aa288248SMaxime Ripard /* 878aa288248SMaxime Ripard * We have reached the maximum allowed PLL1 output, 879aa288248SMaxime Ripard * increase sysdiv. 880aa288248SMaxime Ripard */ 881aa288248SMaxime Ripard if (!rate) 882aa288248SMaxime Ripard break; 883aa288248SMaxime Ripard 884aa288248SMaxime Ripard /* 885aa288248SMaxime Ripard * Prefer rates above the expected clock rate than 886aa288248SMaxime Ripard * below, even if that means being less precise. 887aa288248SMaxime Ripard */ 888aa288248SMaxime Ripard if (_rate < rate) 889aa288248SMaxime Ripard continue; 890aa288248SMaxime Ripard 891aa288248SMaxime Ripard if (abs(rate - _rate) < abs(rate - best)) { 892aa288248SMaxime Ripard best = _rate; 893aa288248SMaxime Ripard best_sysdiv = _sysdiv; 894aa288248SMaxime Ripard best_mult = _pll_mult; 895aa288248SMaxime Ripard } 896aa288248SMaxime Ripard 897aa288248SMaxime Ripard if (_rate == rate) 898aa288248SMaxime Ripard goto out; 899aa288248SMaxime Ripard } 900aa288248SMaxime Ripard } 901aa288248SMaxime Ripard 902aa288248SMaxime Ripard out: 903aa288248SMaxime Ripard *sysdiv = best_sysdiv; 904aa288248SMaxime Ripard *pll_prediv = OV5640_PLL_PREDIV; 905aa288248SMaxime Ripard *pll_mult = best_mult; 906aa288248SMaxime Ripard 907aa288248SMaxime Ripard return best; 908aa288248SMaxime Ripard } 909aa288248SMaxime Ripard 910aa288248SMaxime Ripard /* 911aa288248SMaxime Ripard * ov5640_set_mipi_pclk() - Calculate the clock tree configuration values 912aa288248SMaxime Ripard * for the MIPI CSI-2 output. 913aa288248SMaxime Ripard * 914aa288248SMaxime Ripard * @rate: The requested bandwidth per lane in bytes per second. 915aa288248SMaxime Ripard * 'Bandwidth Per Lane' is calculated as: 916aa288248SMaxime Ripard * bpl = HTOT * VTOT * FPS * bpp / num_lanes; 917aa288248SMaxime Ripard * 918aa288248SMaxime Ripard * This function use the requested bandwidth to calculate: 919aa288248SMaxime Ripard * - sample_rate = bpl / (bpp / num_lanes); 920aa288248SMaxime Ripard * = bpl / (PLL_RDIV * BIT_DIV * PCLK_DIV * MIPI_DIV / num_lanes); 921aa288248SMaxime Ripard * 922aa288248SMaxime Ripard * - mipi_sclk = bpl / MIPI_DIV / 2; ( / 2 is for CSI-2 DDR) 923aa288248SMaxime Ripard * 924aa288248SMaxime Ripard * with these fixed parameters: 925aa288248SMaxime Ripard * PLL_RDIV = 2; 926aa288248SMaxime Ripard * BIT_DIVIDER = 2; (MIPI_BIT_MODE == 8 ? 2 : 2,5); 927aa288248SMaxime Ripard * PCLK_DIV = 1; 928aa288248SMaxime Ripard * 929aa288248SMaxime Ripard * The MIPI clock generation differs for modes that use the scaler and modes 930aa288248SMaxime Ripard * that do not. In case the scaler is in use, the MIPI_SCLK generates the MIPI 931aa288248SMaxime Ripard * BIT CLk, and thus: 932aa288248SMaxime Ripard * 933aa288248SMaxime Ripard * - mipi_sclk = bpl / MIPI_DIV / 2; 934aa288248SMaxime Ripard * MIPI_DIV = 1; 935aa288248SMaxime Ripard * 936aa288248SMaxime Ripard * For modes that do not go through the scaler, the MIPI BIT CLOCK is generated 937aa288248SMaxime Ripard * from the pixel clock, and thus: 938aa288248SMaxime Ripard * 939aa288248SMaxime Ripard * - sample_rate = bpl / (bpp / num_lanes); 940aa288248SMaxime Ripard * = bpl / (2 * 2 * 1 * MIPI_DIV / num_lanes); 941aa288248SMaxime Ripard * = bpl / (4 * MIPI_DIV / num_lanes); 942aa288248SMaxime Ripard * - MIPI_DIV = bpp / (4 * num_lanes); 943aa288248SMaxime Ripard * 944aa288248SMaxime Ripard * FIXME: this have been tested with 16bpp and 2 lanes setup only. 945aa288248SMaxime Ripard * MIPI_DIV is fixed to value 2, but it -might- be changed according to the 946aa288248SMaxime Ripard * above formula for setups with 1 lane or image formats with different bpp. 947aa288248SMaxime Ripard * 948aa288248SMaxime Ripard * FIXME: this deviates from the sensor manual documentation which is quite 949aa288248SMaxime Ripard * thin on the MIPI clock tree generation part. 950aa288248SMaxime Ripard */ 951aa288248SMaxime Ripard static int ov5640_set_mipi_pclk(struct ov5640_dev *sensor, 952aa288248SMaxime Ripard unsigned long rate) 953aa288248SMaxime Ripard { 954aa288248SMaxime Ripard const struct ov5640_mode_info *mode = sensor->current_mode; 955aa288248SMaxime Ripard u8 prediv, mult, sysdiv; 956aa288248SMaxime Ripard u8 mipi_div; 957aa288248SMaxime Ripard int ret; 958aa288248SMaxime Ripard 959aa288248SMaxime Ripard /* 960aa288248SMaxime Ripard * 1280x720 is reported to use 'SUBSAMPLING' only, 961aa288248SMaxime Ripard * but according to the sensor manual it goes through the 962aa288248SMaxime Ripard * scaler before subsampling. 963aa288248SMaxime Ripard */ 964aa288248SMaxime Ripard if (mode->dn_mode == SCALING || 965aa288248SMaxime Ripard (mode->id == OV5640_MODE_720P_1280_720)) 966aa288248SMaxime Ripard mipi_div = OV5640_MIPI_DIV_SCLK; 967aa288248SMaxime Ripard else 968aa288248SMaxime Ripard mipi_div = OV5640_MIPI_DIV_PCLK; 969aa288248SMaxime Ripard 970aa288248SMaxime Ripard ov5640_calc_sys_clk(sensor, rate, &prediv, &mult, &sysdiv); 971aa288248SMaxime Ripard 972aa288248SMaxime Ripard ret = ov5640_mod_reg(sensor, OV5640_REG_SC_PLL_CTRL0, 973aa288248SMaxime Ripard 0x0f, OV5640_PLL_CTRL0_MIPI_MODE_8BIT); 974aa288248SMaxime Ripard 975aa288248SMaxime Ripard ret = ov5640_mod_reg(sensor, OV5640_REG_SC_PLL_CTRL1, 976aa288248SMaxime Ripard 0xff, sysdiv << 4 | mipi_div); 977aa288248SMaxime Ripard if (ret) 978aa288248SMaxime Ripard return ret; 979aa288248SMaxime Ripard 980aa288248SMaxime Ripard ret = ov5640_mod_reg(sensor, OV5640_REG_SC_PLL_CTRL2, 0xff, mult); 981aa288248SMaxime Ripard if (ret) 982aa288248SMaxime Ripard return ret; 983aa288248SMaxime Ripard 984aa288248SMaxime Ripard ret = ov5640_mod_reg(sensor, OV5640_REG_SC_PLL_CTRL3, 985aa288248SMaxime Ripard 0x1f, OV5640_PLL_CTRL3_PLL_ROOT_DIV_2 | prediv); 986aa288248SMaxime Ripard if (ret) 987aa288248SMaxime Ripard return ret; 988aa288248SMaxime Ripard 989aa288248SMaxime Ripard return ov5640_mod_reg(sensor, OV5640_REG_SYS_ROOT_DIVIDER, 990aa288248SMaxime Ripard 0x30, OV5640_PLL_SYS_ROOT_DIVIDER_BYPASS); 991aa288248SMaxime Ripard } 992aa288248SMaxime Ripard 993aa288248SMaxime Ripard static unsigned long ov5640_calc_pclk(struct ov5640_dev *sensor, 994aa288248SMaxime Ripard unsigned long rate, 995aa288248SMaxime Ripard u8 *pll_prediv, u8 *pll_mult, u8 *sysdiv, 996aa288248SMaxime Ripard u8 *pll_rdiv, u8 *bit_div, u8 *pclk_div) 997aa288248SMaxime Ripard { 998aa288248SMaxime Ripard unsigned long _rate = rate * OV5640_PLL_ROOT_DIV * OV5640_BIT_DIV * 999aa288248SMaxime Ripard OV5640_PCLK_ROOT_DIV; 1000aa288248SMaxime Ripard 1001aa288248SMaxime Ripard _rate = ov5640_calc_sys_clk(sensor, _rate, pll_prediv, pll_mult, 1002aa288248SMaxime Ripard sysdiv); 1003aa288248SMaxime Ripard *pll_rdiv = OV5640_PLL_ROOT_DIV; 1004aa288248SMaxime Ripard *bit_div = OV5640_BIT_DIV; 1005aa288248SMaxime Ripard *pclk_div = OV5640_PCLK_ROOT_DIV; 1006aa288248SMaxime Ripard 1007aa288248SMaxime Ripard return _rate / *pll_rdiv / *bit_div / *pclk_div; 1008aa288248SMaxime Ripard } 1009aa288248SMaxime Ripard 1010aa288248SMaxime Ripard static int ov5640_set_dvp_pclk(struct ov5640_dev *sensor, unsigned long rate) 1011aa288248SMaxime Ripard { 1012aa288248SMaxime Ripard u8 prediv, mult, sysdiv, pll_rdiv, bit_div, pclk_div; 1013aa288248SMaxime Ripard int ret; 1014aa288248SMaxime Ripard 1015aa288248SMaxime Ripard ov5640_calc_pclk(sensor, rate, &prediv, &mult, &sysdiv, &pll_rdiv, 1016aa288248SMaxime Ripard &bit_div, &pclk_div); 1017aa288248SMaxime Ripard 1018aa288248SMaxime Ripard if (bit_div == 2) 1019aa288248SMaxime Ripard bit_div = 8; 1020aa288248SMaxime Ripard 1021aa288248SMaxime Ripard ret = ov5640_mod_reg(sensor, OV5640_REG_SC_PLL_CTRL0, 1022aa288248SMaxime Ripard 0x0f, bit_div); 1023aa288248SMaxime Ripard if (ret) 1024aa288248SMaxime Ripard return ret; 1025aa288248SMaxime Ripard 1026aa288248SMaxime Ripard /* 1027aa288248SMaxime Ripard * We need to set sysdiv according to the clock, and to clear 1028aa288248SMaxime Ripard * the MIPI divider. 1029aa288248SMaxime Ripard */ 1030aa288248SMaxime Ripard ret = ov5640_mod_reg(sensor, OV5640_REG_SC_PLL_CTRL1, 1031aa288248SMaxime Ripard 0xff, sysdiv << 4); 1032aa288248SMaxime Ripard if (ret) 1033aa288248SMaxime Ripard return ret; 1034aa288248SMaxime Ripard 1035aa288248SMaxime Ripard ret = ov5640_mod_reg(sensor, OV5640_REG_SC_PLL_CTRL2, 1036aa288248SMaxime Ripard 0xff, mult); 1037aa288248SMaxime Ripard if (ret) 1038aa288248SMaxime Ripard return ret; 1039aa288248SMaxime Ripard 1040aa288248SMaxime Ripard ret = ov5640_mod_reg(sensor, OV5640_REG_SC_PLL_CTRL3, 1041aa288248SMaxime Ripard 0x1f, prediv | ((pll_rdiv - 1) << 4)); 1042aa288248SMaxime Ripard if (ret) 1043aa288248SMaxime Ripard return ret; 1044aa288248SMaxime Ripard 1045aa288248SMaxime Ripard return ov5640_mod_reg(sensor, OV5640_REG_SYS_ROOT_DIVIDER, 0x30, 1046aa288248SMaxime Ripard (ilog2(pclk_div) << 4)); 1047aa288248SMaxime Ripard } 1048aa288248SMaxime Ripard 10497cb013b1SChen-Yu Tsai /* set JPEG framing sizes */ 10507cb013b1SChen-Yu Tsai static int ov5640_set_jpeg_timings(struct ov5640_dev *sensor, 10517cb013b1SChen-Yu Tsai const struct ov5640_mode_info *mode) 10527cb013b1SChen-Yu Tsai { 10537cb013b1SChen-Yu Tsai int ret; 10547cb013b1SChen-Yu Tsai 10552b5c18f9SChen-Yu Tsai /* 10562b5c18f9SChen-Yu Tsai * compression mode 3 timing 10572b5c18f9SChen-Yu Tsai * 10582b5c18f9SChen-Yu Tsai * Data is transmitted with programmable width (VFIFO_HSIZE). 10592b5c18f9SChen-Yu Tsai * No padding done. Last line may have less data. Varying 10602b5c18f9SChen-Yu Tsai * number of lines per frame, depending on amount of data. 10612b5c18f9SChen-Yu Tsai */ 10622b5c18f9SChen-Yu Tsai ret = ov5640_mod_reg(sensor, OV5640_REG_JPG_MODE_SELECT, 0x7, 0x3); 10632b5c18f9SChen-Yu Tsai if (ret < 0) 10642b5c18f9SChen-Yu Tsai return ret; 10652b5c18f9SChen-Yu Tsai 10667cb013b1SChen-Yu Tsai ret = ov5640_write_reg16(sensor, OV5640_REG_VFIFO_HSIZE, mode->hact); 10677cb013b1SChen-Yu Tsai if (ret < 0) 10687cb013b1SChen-Yu Tsai return ret; 10697cb013b1SChen-Yu Tsai 10707cb013b1SChen-Yu Tsai return ov5640_write_reg16(sensor, OV5640_REG_VFIFO_VSIZE, mode->vact); 10717cb013b1SChen-Yu Tsai } 10727cb013b1SChen-Yu Tsai 107319a81c14SSteve Longerbeam /* download ov5640 settings to sensor through i2c */ 1074bad1774eSJacopo Mondi static int ov5640_set_timings(struct ov5640_dev *sensor, 1075bad1774eSJacopo Mondi const struct ov5640_mode_info *mode) 1076bad1774eSJacopo Mondi { 1077bad1774eSJacopo Mondi int ret; 1078bad1774eSJacopo Mondi 10797cb013b1SChen-Yu Tsai if (sensor->fmt.code == MEDIA_BUS_FMT_JPEG_1X8) { 10807cb013b1SChen-Yu Tsai ret = ov5640_set_jpeg_timings(sensor, mode); 10817cb013b1SChen-Yu Tsai if (ret < 0) 10827cb013b1SChen-Yu Tsai return ret; 10837cb013b1SChen-Yu Tsai } 10847cb013b1SChen-Yu Tsai 1085bad1774eSJacopo Mondi ret = ov5640_write_reg16(sensor, OV5640_REG_TIMING_DVPHO, mode->hact); 1086bad1774eSJacopo Mondi if (ret < 0) 1087bad1774eSJacopo Mondi return ret; 1088bad1774eSJacopo Mondi 1089bad1774eSJacopo Mondi ret = ov5640_write_reg16(sensor, OV5640_REG_TIMING_DVPVO, mode->vact); 1090bad1774eSJacopo Mondi if (ret < 0) 1091bad1774eSJacopo Mondi return ret; 1092bad1774eSJacopo Mondi 1093bad1774eSJacopo Mondi ret = ov5640_write_reg16(sensor, OV5640_REG_TIMING_HTS, mode->htot); 1094bad1774eSJacopo Mondi if (ret < 0) 1095bad1774eSJacopo Mondi return ret; 1096bad1774eSJacopo Mondi 1097bad1774eSJacopo Mondi return ov5640_write_reg16(sensor, OV5640_REG_TIMING_VTS, mode->vtot); 1098bad1774eSJacopo Mondi } 1099bad1774eSJacopo Mondi 110019a81c14SSteve Longerbeam static int ov5640_load_regs(struct ov5640_dev *sensor, 110119a81c14SSteve Longerbeam const struct ov5640_mode_info *mode) 110219a81c14SSteve Longerbeam { 110319a81c14SSteve Longerbeam const struct reg_value *regs = mode->reg_data; 110419a81c14SSteve Longerbeam unsigned int i; 110519a81c14SSteve Longerbeam u32 delay_ms; 110619a81c14SSteve Longerbeam u16 reg_addr; 110719a81c14SSteve Longerbeam u8 mask, val; 110819a81c14SSteve Longerbeam int ret = 0; 110919a81c14SSteve Longerbeam 111019a81c14SSteve Longerbeam for (i = 0; i < mode->reg_data_size; ++i, ++regs) { 111119a81c14SSteve Longerbeam delay_ms = regs->delay_ms; 111219a81c14SSteve Longerbeam reg_addr = regs->reg_addr; 111319a81c14SSteve Longerbeam val = regs->val; 111419a81c14SSteve Longerbeam mask = regs->mask; 111519a81c14SSteve Longerbeam 111619a81c14SSteve Longerbeam if (mask) 111719a81c14SSteve Longerbeam ret = ov5640_mod_reg(sensor, reg_addr, mask, val); 111819a81c14SSteve Longerbeam else 111919a81c14SSteve Longerbeam ret = ov5640_write_reg(sensor, reg_addr, val); 112019a81c14SSteve Longerbeam if (ret) 112119a81c14SSteve Longerbeam break; 112219a81c14SSteve Longerbeam 112319a81c14SSteve Longerbeam if (delay_ms) 112419a81c14SSteve Longerbeam usleep_range(1000 * delay_ms, 1000 * delay_ms + 100); 112519a81c14SSteve Longerbeam } 112619a81c14SSteve Longerbeam 1127bad1774eSJacopo Mondi return ov5640_set_timings(sensor, mode); 112819a81c14SSteve Longerbeam } 112919a81c14SSteve Longerbeam 1130dc29a1c1SHugues Fruchet static int ov5640_set_autoexposure(struct ov5640_dev *sensor, bool on) 1131dc29a1c1SHugues Fruchet { 1132dc29a1c1SHugues Fruchet return ov5640_mod_reg(sensor, OV5640_REG_AEC_PK_MANUAL, 1133dc29a1c1SHugues Fruchet BIT(0), on ? 0 : BIT(0)); 1134dc29a1c1SHugues Fruchet } 1135dc29a1c1SHugues Fruchet 113619a81c14SSteve Longerbeam /* read exposure, in number of line periods */ 113719a81c14SSteve Longerbeam static int ov5640_get_exposure(struct ov5640_dev *sensor) 113819a81c14SSteve Longerbeam { 113919a81c14SSteve Longerbeam int exp, ret; 114019a81c14SSteve Longerbeam u8 temp; 114119a81c14SSteve Longerbeam 114219a81c14SSteve Longerbeam ret = ov5640_read_reg(sensor, OV5640_REG_AEC_PK_EXPOSURE_HI, &temp); 114319a81c14SSteve Longerbeam if (ret) 114419a81c14SSteve Longerbeam return ret; 114519a81c14SSteve Longerbeam exp = ((int)temp & 0x0f) << 16; 114619a81c14SSteve Longerbeam ret = ov5640_read_reg(sensor, OV5640_REG_AEC_PK_EXPOSURE_MED, &temp); 114719a81c14SSteve Longerbeam if (ret) 114819a81c14SSteve Longerbeam return ret; 114919a81c14SSteve Longerbeam exp |= ((int)temp << 8); 115019a81c14SSteve Longerbeam ret = ov5640_read_reg(sensor, OV5640_REG_AEC_PK_EXPOSURE_LO, &temp); 115119a81c14SSteve Longerbeam if (ret) 115219a81c14SSteve Longerbeam return ret; 115319a81c14SSteve Longerbeam exp |= (int)temp; 115419a81c14SSteve Longerbeam 115519a81c14SSteve Longerbeam return exp >> 4; 115619a81c14SSteve Longerbeam } 115719a81c14SSteve Longerbeam 115819a81c14SSteve Longerbeam /* write exposure, given number of line periods */ 115919a81c14SSteve Longerbeam static int ov5640_set_exposure(struct ov5640_dev *sensor, u32 exposure) 116019a81c14SSteve Longerbeam { 116119a81c14SSteve Longerbeam int ret; 116219a81c14SSteve Longerbeam 116319a81c14SSteve Longerbeam exposure <<= 4; 116419a81c14SSteve Longerbeam 116519a81c14SSteve Longerbeam ret = ov5640_write_reg(sensor, 116619a81c14SSteve Longerbeam OV5640_REG_AEC_PK_EXPOSURE_LO, 116719a81c14SSteve Longerbeam exposure & 0xff); 116819a81c14SSteve Longerbeam if (ret) 116919a81c14SSteve Longerbeam return ret; 117019a81c14SSteve Longerbeam ret = ov5640_write_reg(sensor, 117119a81c14SSteve Longerbeam OV5640_REG_AEC_PK_EXPOSURE_MED, 117219a81c14SSteve Longerbeam (exposure >> 8) & 0xff); 117319a81c14SSteve Longerbeam if (ret) 117419a81c14SSteve Longerbeam return ret; 117519a81c14SSteve Longerbeam return ov5640_write_reg(sensor, 117619a81c14SSteve Longerbeam OV5640_REG_AEC_PK_EXPOSURE_HI, 117719a81c14SSteve Longerbeam (exposure >> 16) & 0x0f); 117819a81c14SSteve Longerbeam } 117919a81c14SSteve Longerbeam 118019a81c14SSteve Longerbeam static int ov5640_get_gain(struct ov5640_dev *sensor) 118119a81c14SSteve Longerbeam { 118219a81c14SSteve Longerbeam u16 gain; 118319a81c14SSteve Longerbeam int ret; 118419a81c14SSteve Longerbeam 118519a81c14SSteve Longerbeam ret = ov5640_read_reg16(sensor, OV5640_REG_AEC_PK_REAL_GAIN, &gain); 118619a81c14SSteve Longerbeam if (ret) 118719a81c14SSteve Longerbeam return ret; 118819a81c14SSteve Longerbeam 118919a81c14SSteve Longerbeam return gain & 0x3ff; 119019a81c14SSteve Longerbeam } 119119a81c14SSteve Longerbeam 11923cca8ef5SHugues Fruchet static int ov5640_set_gain(struct ov5640_dev *sensor, int gain) 11933cca8ef5SHugues Fruchet { 11943cca8ef5SHugues Fruchet return ov5640_write_reg16(sensor, OV5640_REG_AEC_PK_REAL_GAIN, 11953cca8ef5SHugues Fruchet (u16)gain & 0x3ff); 11963cca8ef5SHugues Fruchet } 11973cca8ef5SHugues Fruchet 11983cca8ef5SHugues Fruchet static int ov5640_set_autogain(struct ov5640_dev *sensor, bool on) 11993cca8ef5SHugues Fruchet { 12003cca8ef5SHugues Fruchet return ov5640_mod_reg(sensor, OV5640_REG_AEC_PK_MANUAL, 12013cca8ef5SHugues Fruchet BIT(1), on ? 0 : BIT(1)); 12023cca8ef5SHugues Fruchet } 12033cca8ef5SHugues Fruchet 1204f22996dbSHugues Fruchet static int ov5640_set_stream_dvp(struct ov5640_dev *sensor, bool on) 1205f22996dbSHugues Fruchet { 1206f22996dbSHugues Fruchet int ret; 1207f22996dbSHugues Fruchet unsigned int flags = sensor->ep.bus.parallel.flags; 1208f22996dbSHugues Fruchet u8 pclk_pol = 0; 1209f22996dbSHugues Fruchet u8 hsync_pol = 0; 1210f22996dbSHugues Fruchet u8 vsync_pol = 0; 1211f22996dbSHugues Fruchet 1212f22996dbSHugues Fruchet /* 1213f22996dbSHugues Fruchet * Note about parallel port configuration. 1214f22996dbSHugues Fruchet * 1215f22996dbSHugues Fruchet * When configured in parallel mode, the OV5640 will 1216f22996dbSHugues Fruchet * output 10 bits data on DVP data lines [9:0]. 1217f22996dbSHugues Fruchet * If only 8 bits data are wanted, the 8 bits data lines 1218f22996dbSHugues Fruchet * of the camera interface must be physically connected 1219f22996dbSHugues Fruchet * on the DVP data lines [9:2]. 1220f22996dbSHugues Fruchet * 1221f22996dbSHugues Fruchet * Control lines polarity can be configured through 1222f22996dbSHugues Fruchet * devicetree endpoint control lines properties. 1223f22996dbSHugues Fruchet * If no endpoint control lines properties are set, 1224f22996dbSHugues Fruchet * polarity will be as below: 1225f22996dbSHugues Fruchet * - VSYNC: active high 1226f22996dbSHugues Fruchet * - HREF: active low 1227f22996dbSHugues Fruchet * - PCLK: active low 1228f22996dbSHugues Fruchet */ 1229f22996dbSHugues Fruchet 1230f22996dbSHugues Fruchet if (on) { 1231f22996dbSHugues Fruchet /* 1232f22996dbSHugues Fruchet * configure parallel port control lines polarity 1233f22996dbSHugues Fruchet * 1234f22996dbSHugues Fruchet * POLARITY CTRL0 1235f22996dbSHugues Fruchet * - [5]: PCLK polarity (0: active low, 1: active high) 1236f22996dbSHugues Fruchet * - [1]: HREF polarity (0: active low, 1: active high) 1237f22996dbSHugues Fruchet * - [0]: VSYNC polarity (mismatch here between 1238f22996dbSHugues Fruchet * datasheet and hardware, 0 is active high 1239f22996dbSHugues Fruchet * and 1 is active low...) 1240f22996dbSHugues Fruchet */ 1241f22996dbSHugues Fruchet if (flags & V4L2_MBUS_PCLK_SAMPLE_RISING) 1242f22996dbSHugues Fruchet pclk_pol = 1; 1243f22996dbSHugues Fruchet if (flags & V4L2_MBUS_HSYNC_ACTIVE_HIGH) 1244f22996dbSHugues Fruchet hsync_pol = 1; 1245f22996dbSHugues Fruchet if (flags & V4L2_MBUS_VSYNC_ACTIVE_LOW) 1246f22996dbSHugues Fruchet vsync_pol = 1; 1247f22996dbSHugues Fruchet 1248f22996dbSHugues Fruchet ret = ov5640_write_reg(sensor, 1249f22996dbSHugues Fruchet OV5640_REG_POLARITY_CTRL00, 1250f22996dbSHugues Fruchet (pclk_pol << 5) | 1251f22996dbSHugues Fruchet (hsync_pol << 1) | 1252f22996dbSHugues Fruchet vsync_pol); 1253f22996dbSHugues Fruchet 1254f22996dbSHugues Fruchet if (ret) 1255f22996dbSHugues Fruchet return ret; 1256f22996dbSHugues Fruchet } 1257f22996dbSHugues Fruchet 1258f22996dbSHugues Fruchet /* 1259f22996dbSHugues Fruchet * powerdown MIPI TX/RX PHY & disable MIPI 1260f22996dbSHugues Fruchet * 1261f22996dbSHugues Fruchet * MIPI CONTROL 00 1262f22996dbSHugues Fruchet * 4: PWDN PHY TX 1263f22996dbSHugues Fruchet * 3: PWDN PHY RX 1264f22996dbSHugues Fruchet * 2: MIPI enable 1265f22996dbSHugues Fruchet */ 1266f22996dbSHugues Fruchet ret = ov5640_write_reg(sensor, 1267f22996dbSHugues Fruchet OV5640_REG_IO_MIPI_CTRL00, on ? 0x18 : 0); 1268f22996dbSHugues Fruchet if (ret) 1269f22996dbSHugues Fruchet return ret; 1270f22996dbSHugues Fruchet 1271f22996dbSHugues Fruchet /* 1272f22996dbSHugues Fruchet * enable VSYNC/HREF/PCLK DVP control lines 1273f22996dbSHugues Fruchet * & D[9:6] DVP data lines 1274f22996dbSHugues Fruchet * 1275f22996dbSHugues Fruchet * PAD OUTPUT ENABLE 01 1276f22996dbSHugues Fruchet * - 6: VSYNC output enable 1277f22996dbSHugues Fruchet * - 5: HREF output enable 1278f22996dbSHugues Fruchet * - 4: PCLK output enable 1279f22996dbSHugues Fruchet * - [3:0]: D[9:6] output enable 1280f22996dbSHugues Fruchet */ 1281f22996dbSHugues Fruchet ret = ov5640_write_reg(sensor, 1282f22996dbSHugues Fruchet OV5640_REG_PAD_OUTPUT_ENABLE01, 1283f22996dbSHugues Fruchet on ? 0x7f : 0); 1284f22996dbSHugues Fruchet if (ret) 1285f22996dbSHugues Fruchet return ret; 1286f22996dbSHugues Fruchet 1287f22996dbSHugues Fruchet /* 1288f22996dbSHugues Fruchet * enable D[5:0] DVP data lines 1289f22996dbSHugues Fruchet * 1290f22996dbSHugues Fruchet * PAD OUTPUT ENABLE 02 1291f22996dbSHugues Fruchet * - [7:2]: D[5:0] output enable 1292f22996dbSHugues Fruchet */ 1293f22996dbSHugues Fruchet return ov5640_write_reg(sensor, 1294f22996dbSHugues Fruchet OV5640_REG_PAD_OUTPUT_ENABLE02, 1295f22996dbSHugues Fruchet on ? 0xfc : 0); 1296f22996dbSHugues Fruchet } 1297f22996dbSHugues Fruchet 1298f22996dbSHugues Fruchet static int ov5640_set_stream_mipi(struct ov5640_dev *sensor, bool on) 129919a81c14SSteve Longerbeam { 130019a81c14SSteve Longerbeam int ret; 130119a81c14SSteve Longerbeam 1302aa4bb8b8SJacopo Mondi /* 1303aa4bb8b8SJacopo Mondi * Enable/disable the MIPI interface 1304aa4bb8b8SJacopo Mondi * 1305aa4bb8b8SJacopo Mondi * 0x300e = on ? 0x45 : 0x40 1306aa4bb8b8SJacopo Mondi * 1307aa4bb8b8SJacopo Mondi * FIXME: the sensor manual (version 2.03) reports 1308aa4bb8b8SJacopo Mondi * [7:5] = 000 : 1 data lane mode 1309aa4bb8b8SJacopo Mondi * [7:5] = 001 : 2 data lanes mode 1310aa4bb8b8SJacopo Mondi * But this settings do not work, while the following ones 1311aa4bb8b8SJacopo Mondi * have been validated for 2 data lanes mode. 1312aa4bb8b8SJacopo Mondi * 1313aa4bb8b8SJacopo Mondi * [7:5] = 010 : 2 data lanes mode 1314aa4bb8b8SJacopo Mondi * [4] = 0 : Power up MIPI HS Tx 1315aa4bb8b8SJacopo Mondi * [3] = 0 : Power up MIPI LS Rx 1316aa4bb8b8SJacopo Mondi * [2] = 1/0 : MIPI interface enable/disable 1317aa4bb8b8SJacopo Mondi * [1:0] = 01/00: FIXME: 'debug' 1318aa4bb8b8SJacopo Mondi */ 1319aa4bb8b8SJacopo Mondi ret = ov5640_write_reg(sensor, OV5640_REG_IO_MIPI_CTRL00, 1320aa4bb8b8SJacopo Mondi on ? 0x45 : 0x40); 132119a81c14SSteve Longerbeam if (ret) 132219a81c14SSteve Longerbeam return ret; 132319a81c14SSteve Longerbeam 132419a81c14SSteve Longerbeam return ov5640_write_reg(sensor, OV5640_REG_FRAME_CTRL01, 132519a81c14SSteve Longerbeam on ? 0x00 : 0x0f); 132619a81c14SSteve Longerbeam } 132719a81c14SSteve Longerbeam 132819a81c14SSteve Longerbeam static int ov5640_get_sysclk(struct ov5640_dev *sensor) 132919a81c14SSteve Longerbeam { 133019a81c14SSteve Longerbeam /* calculate sysclk */ 133119a81c14SSteve Longerbeam u32 xvclk = sensor->xclk_freq / 10000; 133219a81c14SSteve Longerbeam u32 multiplier, prediv, VCO, sysdiv, pll_rdiv; 133319a81c14SSteve Longerbeam u32 sclk_rdiv_map[] = {1, 2, 4, 8}; 133419a81c14SSteve Longerbeam u32 bit_div2x = 1, sclk_rdiv, sysclk; 133519a81c14SSteve Longerbeam u8 temp1, temp2; 133619a81c14SSteve Longerbeam int ret; 133719a81c14SSteve Longerbeam 133819a81c14SSteve Longerbeam ret = ov5640_read_reg(sensor, OV5640_REG_SC_PLL_CTRL0, &temp1); 133919a81c14SSteve Longerbeam if (ret) 134019a81c14SSteve Longerbeam return ret; 134119a81c14SSteve Longerbeam temp2 = temp1 & 0x0f; 134219a81c14SSteve Longerbeam if (temp2 == 8 || temp2 == 10) 134319a81c14SSteve Longerbeam bit_div2x = temp2 / 2; 134419a81c14SSteve Longerbeam 134519a81c14SSteve Longerbeam ret = ov5640_read_reg(sensor, OV5640_REG_SC_PLL_CTRL1, &temp1); 134619a81c14SSteve Longerbeam if (ret) 134719a81c14SSteve Longerbeam return ret; 134819a81c14SSteve Longerbeam sysdiv = temp1 >> 4; 134919a81c14SSteve Longerbeam if (sysdiv == 0) 135019a81c14SSteve Longerbeam sysdiv = 16; 135119a81c14SSteve Longerbeam 135219a81c14SSteve Longerbeam ret = ov5640_read_reg(sensor, OV5640_REG_SC_PLL_CTRL2, &temp1); 135319a81c14SSteve Longerbeam if (ret) 135419a81c14SSteve Longerbeam return ret; 135519a81c14SSteve Longerbeam multiplier = temp1; 135619a81c14SSteve Longerbeam 135719a81c14SSteve Longerbeam ret = ov5640_read_reg(sensor, OV5640_REG_SC_PLL_CTRL3, &temp1); 135819a81c14SSteve Longerbeam if (ret) 135919a81c14SSteve Longerbeam return ret; 136019a81c14SSteve Longerbeam prediv = temp1 & 0x0f; 136119a81c14SSteve Longerbeam pll_rdiv = ((temp1 >> 4) & 0x01) + 1; 136219a81c14SSteve Longerbeam 136319a81c14SSteve Longerbeam ret = ov5640_read_reg(sensor, OV5640_REG_SYS_ROOT_DIVIDER, &temp1); 136419a81c14SSteve Longerbeam if (ret) 136519a81c14SSteve Longerbeam return ret; 136619a81c14SSteve Longerbeam temp2 = temp1 & 0x03; 136719a81c14SSteve Longerbeam sclk_rdiv = sclk_rdiv_map[temp2]; 136819a81c14SSteve Longerbeam 136919a81c14SSteve Longerbeam if (!prediv || !sysdiv || !pll_rdiv || !bit_div2x) 137019a81c14SSteve Longerbeam return -EINVAL; 137119a81c14SSteve Longerbeam 137219a81c14SSteve Longerbeam VCO = xvclk * multiplier / prediv; 137319a81c14SSteve Longerbeam 137419a81c14SSteve Longerbeam sysclk = VCO / sysdiv / pll_rdiv * 2 / bit_div2x / sclk_rdiv; 137519a81c14SSteve Longerbeam 137619a81c14SSteve Longerbeam return sysclk; 137719a81c14SSteve Longerbeam } 137819a81c14SSteve Longerbeam 137919a81c14SSteve Longerbeam static int ov5640_set_night_mode(struct ov5640_dev *sensor) 138019a81c14SSteve Longerbeam { 138119a81c14SSteve Longerbeam /* read HTS from register settings */ 138219a81c14SSteve Longerbeam u8 mode; 138319a81c14SSteve Longerbeam int ret; 138419a81c14SSteve Longerbeam 138519a81c14SSteve Longerbeam ret = ov5640_read_reg(sensor, OV5640_REG_AEC_CTRL00, &mode); 138619a81c14SSteve Longerbeam if (ret) 138719a81c14SSteve Longerbeam return ret; 138819a81c14SSteve Longerbeam mode &= 0xfb; 138919a81c14SSteve Longerbeam return ov5640_write_reg(sensor, OV5640_REG_AEC_CTRL00, mode); 139019a81c14SSteve Longerbeam } 139119a81c14SSteve Longerbeam 139219a81c14SSteve Longerbeam static int ov5640_get_hts(struct ov5640_dev *sensor) 139319a81c14SSteve Longerbeam { 139419a81c14SSteve Longerbeam /* read HTS from register settings */ 139519a81c14SSteve Longerbeam u16 hts; 139619a81c14SSteve Longerbeam int ret; 139719a81c14SSteve Longerbeam 139819a81c14SSteve Longerbeam ret = ov5640_read_reg16(sensor, OV5640_REG_TIMING_HTS, &hts); 139919a81c14SSteve Longerbeam if (ret) 140019a81c14SSteve Longerbeam return ret; 140119a81c14SSteve Longerbeam return hts; 140219a81c14SSteve Longerbeam } 140319a81c14SSteve Longerbeam 140419a81c14SSteve Longerbeam static int ov5640_get_vts(struct ov5640_dev *sensor) 140519a81c14SSteve Longerbeam { 140619a81c14SSteve Longerbeam u16 vts; 140719a81c14SSteve Longerbeam int ret; 140819a81c14SSteve Longerbeam 140919a81c14SSteve Longerbeam ret = ov5640_read_reg16(sensor, OV5640_REG_TIMING_VTS, &vts); 141019a81c14SSteve Longerbeam if (ret) 141119a81c14SSteve Longerbeam return ret; 141219a81c14SSteve Longerbeam return vts; 141319a81c14SSteve Longerbeam } 141419a81c14SSteve Longerbeam 141519a81c14SSteve Longerbeam static int ov5640_set_vts(struct ov5640_dev *sensor, int vts) 141619a81c14SSteve Longerbeam { 141719a81c14SSteve Longerbeam return ov5640_write_reg16(sensor, OV5640_REG_TIMING_VTS, vts); 141819a81c14SSteve Longerbeam } 141919a81c14SSteve Longerbeam 142019a81c14SSteve Longerbeam static int ov5640_get_light_freq(struct ov5640_dev *sensor) 142119a81c14SSteve Longerbeam { 142219a81c14SSteve Longerbeam /* get banding filter value */ 142319a81c14SSteve Longerbeam int ret, light_freq = 0; 142419a81c14SSteve Longerbeam u8 temp, temp1; 142519a81c14SSteve Longerbeam 142619a81c14SSteve Longerbeam ret = ov5640_read_reg(sensor, OV5640_REG_HZ5060_CTRL01, &temp); 142719a81c14SSteve Longerbeam if (ret) 142819a81c14SSteve Longerbeam return ret; 142919a81c14SSteve Longerbeam 143019a81c14SSteve Longerbeam if (temp & 0x80) { 143119a81c14SSteve Longerbeam /* manual */ 143219a81c14SSteve Longerbeam ret = ov5640_read_reg(sensor, OV5640_REG_HZ5060_CTRL00, 143319a81c14SSteve Longerbeam &temp1); 143419a81c14SSteve Longerbeam if (ret) 143519a81c14SSteve Longerbeam return ret; 143619a81c14SSteve Longerbeam if (temp1 & 0x04) { 143719a81c14SSteve Longerbeam /* 50Hz */ 143819a81c14SSteve Longerbeam light_freq = 50; 143919a81c14SSteve Longerbeam } else { 144019a81c14SSteve Longerbeam /* 60Hz */ 144119a81c14SSteve Longerbeam light_freq = 60; 144219a81c14SSteve Longerbeam } 144319a81c14SSteve Longerbeam } else { 144419a81c14SSteve Longerbeam /* auto */ 144519a81c14SSteve Longerbeam ret = ov5640_read_reg(sensor, OV5640_REG_SIGMADELTA_CTRL0C, 144619a81c14SSteve Longerbeam &temp1); 144719a81c14SSteve Longerbeam if (ret) 144819a81c14SSteve Longerbeam return ret; 144919a81c14SSteve Longerbeam 145019a81c14SSteve Longerbeam if (temp1 & 0x01) { 145119a81c14SSteve Longerbeam /* 50Hz */ 145219a81c14SSteve Longerbeam light_freq = 50; 145319a81c14SSteve Longerbeam } else { 145419a81c14SSteve Longerbeam /* 60Hz */ 145519a81c14SSteve Longerbeam } 145619a81c14SSteve Longerbeam } 145719a81c14SSteve Longerbeam 145819a81c14SSteve Longerbeam return light_freq; 145919a81c14SSteve Longerbeam } 146019a81c14SSteve Longerbeam 146119a81c14SSteve Longerbeam static int ov5640_set_bandingfilter(struct ov5640_dev *sensor) 146219a81c14SSteve Longerbeam { 146319a81c14SSteve Longerbeam u32 band_step60, max_band60, band_step50, max_band50, prev_vts; 146419a81c14SSteve Longerbeam int ret; 146519a81c14SSteve Longerbeam 146619a81c14SSteve Longerbeam /* read preview PCLK */ 146719a81c14SSteve Longerbeam ret = ov5640_get_sysclk(sensor); 146819a81c14SSteve Longerbeam if (ret < 0) 146919a81c14SSteve Longerbeam return ret; 147019a81c14SSteve Longerbeam if (ret == 0) 147119a81c14SSteve Longerbeam return -EINVAL; 147219a81c14SSteve Longerbeam sensor->prev_sysclk = ret; 147319a81c14SSteve Longerbeam /* read preview HTS */ 147419a81c14SSteve Longerbeam ret = ov5640_get_hts(sensor); 147519a81c14SSteve Longerbeam if (ret < 0) 147619a81c14SSteve Longerbeam return ret; 147719a81c14SSteve Longerbeam if (ret == 0) 147819a81c14SSteve Longerbeam return -EINVAL; 147919a81c14SSteve Longerbeam sensor->prev_hts = ret; 148019a81c14SSteve Longerbeam 148119a81c14SSteve Longerbeam /* read preview VTS */ 148219a81c14SSteve Longerbeam ret = ov5640_get_vts(sensor); 148319a81c14SSteve Longerbeam if (ret < 0) 148419a81c14SSteve Longerbeam return ret; 148519a81c14SSteve Longerbeam prev_vts = ret; 148619a81c14SSteve Longerbeam 148719a81c14SSteve Longerbeam /* calculate banding filter */ 148819a81c14SSteve Longerbeam /* 60Hz */ 148919a81c14SSteve Longerbeam band_step60 = sensor->prev_sysclk * 100 / sensor->prev_hts * 100 / 120; 149019a81c14SSteve Longerbeam ret = ov5640_write_reg16(sensor, OV5640_REG_AEC_B60_STEP, band_step60); 149119a81c14SSteve Longerbeam if (ret) 149219a81c14SSteve Longerbeam return ret; 149319a81c14SSteve Longerbeam if (!band_step60) 149419a81c14SSteve Longerbeam return -EINVAL; 149519a81c14SSteve Longerbeam max_band60 = (int)((prev_vts - 4) / band_step60); 149619a81c14SSteve Longerbeam ret = ov5640_write_reg(sensor, OV5640_REG_AEC_CTRL0D, max_band60); 149719a81c14SSteve Longerbeam if (ret) 149819a81c14SSteve Longerbeam return ret; 149919a81c14SSteve Longerbeam 150019a81c14SSteve Longerbeam /* 50Hz */ 150119a81c14SSteve Longerbeam band_step50 = sensor->prev_sysclk * 100 / sensor->prev_hts; 150219a81c14SSteve Longerbeam ret = ov5640_write_reg16(sensor, OV5640_REG_AEC_B50_STEP, band_step50); 150319a81c14SSteve Longerbeam if (ret) 150419a81c14SSteve Longerbeam return ret; 150519a81c14SSteve Longerbeam if (!band_step50) 150619a81c14SSteve Longerbeam return -EINVAL; 150719a81c14SSteve Longerbeam max_band50 = (int)((prev_vts - 4) / band_step50); 150819a81c14SSteve Longerbeam return ov5640_write_reg(sensor, OV5640_REG_AEC_CTRL0E, max_band50); 150919a81c14SSteve Longerbeam } 151019a81c14SSteve Longerbeam 151119a81c14SSteve Longerbeam static int ov5640_set_ae_target(struct ov5640_dev *sensor, int target) 151219a81c14SSteve Longerbeam { 151319a81c14SSteve Longerbeam /* stable in high */ 151419a81c14SSteve Longerbeam u32 fast_high, fast_low; 151519a81c14SSteve Longerbeam int ret; 151619a81c14SSteve Longerbeam 151719a81c14SSteve Longerbeam sensor->ae_low = target * 23 / 25; /* 0.92 */ 151819a81c14SSteve Longerbeam sensor->ae_high = target * 27 / 25; /* 1.08 */ 151919a81c14SSteve Longerbeam 152019a81c14SSteve Longerbeam fast_high = sensor->ae_high << 1; 152119a81c14SSteve Longerbeam if (fast_high > 255) 152219a81c14SSteve Longerbeam fast_high = 255; 152319a81c14SSteve Longerbeam 152419a81c14SSteve Longerbeam fast_low = sensor->ae_low >> 1; 152519a81c14SSteve Longerbeam 152619a81c14SSteve Longerbeam ret = ov5640_write_reg(sensor, OV5640_REG_AEC_CTRL0F, sensor->ae_high); 152719a81c14SSteve Longerbeam if (ret) 152819a81c14SSteve Longerbeam return ret; 152919a81c14SSteve Longerbeam ret = ov5640_write_reg(sensor, OV5640_REG_AEC_CTRL10, sensor->ae_low); 153019a81c14SSteve Longerbeam if (ret) 153119a81c14SSteve Longerbeam return ret; 153219a81c14SSteve Longerbeam ret = ov5640_write_reg(sensor, OV5640_REG_AEC_CTRL1B, sensor->ae_high); 153319a81c14SSteve Longerbeam if (ret) 153419a81c14SSteve Longerbeam return ret; 153519a81c14SSteve Longerbeam ret = ov5640_write_reg(sensor, OV5640_REG_AEC_CTRL1E, sensor->ae_low); 153619a81c14SSteve Longerbeam if (ret) 153719a81c14SSteve Longerbeam return ret; 153819a81c14SSteve Longerbeam ret = ov5640_write_reg(sensor, OV5640_REG_AEC_CTRL11, fast_high); 153919a81c14SSteve Longerbeam if (ret) 154019a81c14SSteve Longerbeam return ret; 154119a81c14SSteve Longerbeam return ov5640_write_reg(sensor, OV5640_REG_AEC_CTRL1F, fast_low); 154219a81c14SSteve Longerbeam } 154319a81c14SSteve Longerbeam 1544c2c3f42dSHugues Fruchet static int ov5640_get_binning(struct ov5640_dev *sensor) 154519a81c14SSteve Longerbeam { 154619a81c14SSteve Longerbeam u8 temp; 154719a81c14SSteve Longerbeam int ret; 154819a81c14SSteve Longerbeam 154919a81c14SSteve Longerbeam ret = ov5640_read_reg(sensor, OV5640_REG_TIMING_TC_REG21, &temp); 155019a81c14SSteve Longerbeam if (ret) 155119a81c14SSteve Longerbeam return ret; 1552c2c3f42dSHugues Fruchet 1553c2c3f42dSHugues Fruchet return temp & BIT(0); 155419a81c14SSteve Longerbeam } 155519a81c14SSteve Longerbeam 1556ce85705aSHugues Fruchet static int ov5640_set_binning(struct ov5640_dev *sensor, bool enable) 1557ce85705aSHugues Fruchet { 1558ce85705aSHugues Fruchet int ret; 1559ce85705aSHugues Fruchet 1560ce85705aSHugues Fruchet /* 1561ce85705aSHugues Fruchet * TIMING TC REG21: 1562ce85705aSHugues Fruchet * - [0]: Horizontal binning enable 1563ce85705aSHugues Fruchet */ 1564ce85705aSHugues Fruchet ret = ov5640_mod_reg(sensor, OV5640_REG_TIMING_TC_REG21, 1565ce85705aSHugues Fruchet BIT(0), enable ? BIT(0) : 0); 1566ce85705aSHugues Fruchet if (ret) 1567ce85705aSHugues Fruchet return ret; 1568ce85705aSHugues Fruchet /* 1569ce85705aSHugues Fruchet * TIMING TC REG20: 1570ce85705aSHugues Fruchet * - [0]: Undocumented, but hardcoded init sequences 1571ce85705aSHugues Fruchet * are always setting REG21/REG20 bit 0 to same value... 1572ce85705aSHugues Fruchet */ 1573ce85705aSHugues Fruchet return ov5640_mod_reg(sensor, OV5640_REG_TIMING_TC_REG20, 1574ce85705aSHugues Fruchet BIT(0), enable ? BIT(0) : 0); 1575ce85705aSHugues Fruchet } 1576ce85705aSHugues Fruchet 157719a81c14SSteve Longerbeam static int ov5640_set_virtual_channel(struct ov5640_dev *sensor) 157819a81c14SSteve Longerbeam { 15798670d70aSHugues Fruchet struct i2c_client *client = sensor->i2c_client; 158019a81c14SSteve Longerbeam u8 temp, channel = virtual_channel; 158119a81c14SSteve Longerbeam int ret; 158219a81c14SSteve Longerbeam 15838670d70aSHugues Fruchet if (channel > 3) { 15848670d70aSHugues Fruchet dev_err(&client->dev, 15858670d70aSHugues Fruchet "%s: wrong virtual_channel parameter, expected (0..3), got %d\n", 15868670d70aSHugues Fruchet __func__, channel); 158719a81c14SSteve Longerbeam return -EINVAL; 15888670d70aSHugues Fruchet } 158919a81c14SSteve Longerbeam 159019a81c14SSteve Longerbeam ret = ov5640_read_reg(sensor, OV5640_REG_DEBUG_MODE, &temp); 159119a81c14SSteve Longerbeam if (ret) 159219a81c14SSteve Longerbeam return ret; 159319a81c14SSteve Longerbeam temp &= ~(3 << 6); 159419a81c14SSteve Longerbeam temp |= (channel << 6); 159519a81c14SSteve Longerbeam return ov5640_write_reg(sensor, OV5640_REG_DEBUG_MODE, temp); 159619a81c14SSteve Longerbeam } 159719a81c14SSteve Longerbeam 159819a81c14SSteve Longerbeam static const struct ov5640_mode_info * 159919a81c14SSteve Longerbeam ov5640_find_mode(struct ov5640_dev *sensor, enum ov5640_frame_rate fr, 160019a81c14SSteve Longerbeam int width, int height, bool nearest) 160119a81c14SSteve Longerbeam { 16023c4a7372SHugues Fruchet const struct ov5640_mode_info *mode; 160319a81c14SSteve Longerbeam 1604086c25f8SMaxime Ripard mode = v4l2_find_nearest_size(ov5640_mode_data, 1605086c25f8SMaxime Ripard ARRAY_SIZE(ov5640_mode_data), 16063c4a7372SHugues Fruchet hact, vact, 16073c4a7372SHugues Fruchet width, height); 160819a81c14SSteve Longerbeam 16093c4a7372SHugues Fruchet if (!mode || 16103c4a7372SHugues Fruchet (!nearest && (mode->hact != width || mode->vact != height))) 16113c4a7372SHugues Fruchet return NULL; 161219a81c14SSteve Longerbeam 1613e823fb16SMaxime Ripard /* Only 640x480 can operate at 60fps (for now) */ 1614e823fb16SMaxime Ripard if (fr == OV5640_60_FPS && 1615e823fb16SMaxime Ripard !(mode->hact == 640 && mode->vact == 480)) 1616e823fb16SMaxime Ripard return NULL; 1617e823fb16SMaxime Ripard 161819a81c14SSteve Longerbeam return mode; 161919a81c14SSteve Longerbeam } 162019a81c14SSteve Longerbeam 162119a81c14SSteve Longerbeam /* 162219a81c14SSteve Longerbeam * sensor changes between scaling and subsampling, go through 162319a81c14SSteve Longerbeam * exposure calculation 162419a81c14SSteve Longerbeam */ 162541d8d7f5SHugues Fruchet static int ov5640_set_mode_exposure_calc(struct ov5640_dev *sensor, 162641d8d7f5SHugues Fruchet const struct ov5640_mode_info *mode) 162719a81c14SSteve Longerbeam { 162819a81c14SSteve Longerbeam u32 prev_shutter, prev_gain16; 162919a81c14SSteve Longerbeam u32 cap_shutter, cap_gain16; 163019a81c14SSteve Longerbeam u32 cap_sysclk, cap_hts, cap_vts; 163119a81c14SSteve Longerbeam u32 light_freq, cap_bandfilt, cap_maxband; 163219a81c14SSteve Longerbeam u32 cap_gain16_shutter; 163319a81c14SSteve Longerbeam u8 average; 163419a81c14SSteve Longerbeam int ret; 163519a81c14SSteve Longerbeam 163641d8d7f5SHugues Fruchet if (!mode->reg_data) 163719a81c14SSteve Longerbeam return -EINVAL; 163819a81c14SSteve Longerbeam 163919a81c14SSteve Longerbeam /* read preview shutter */ 164019a81c14SSteve Longerbeam ret = ov5640_get_exposure(sensor); 164119a81c14SSteve Longerbeam if (ret < 0) 164219a81c14SSteve Longerbeam return ret; 164319a81c14SSteve Longerbeam prev_shutter = ret; 1644c2c3f42dSHugues Fruchet ret = ov5640_get_binning(sensor); 164519a81c14SSteve Longerbeam if (ret < 0) 164619a81c14SSteve Longerbeam return ret; 164719a81c14SSteve Longerbeam if (ret && mode->id != OV5640_MODE_720P_1280_720 && 164819a81c14SSteve Longerbeam mode->id != OV5640_MODE_1080P_1920_1080) 164919a81c14SSteve Longerbeam prev_shutter *= 2; 165019a81c14SSteve Longerbeam 165119a81c14SSteve Longerbeam /* read preview gain */ 165219a81c14SSteve Longerbeam ret = ov5640_get_gain(sensor); 165319a81c14SSteve Longerbeam if (ret < 0) 165419a81c14SSteve Longerbeam return ret; 165519a81c14SSteve Longerbeam prev_gain16 = ret; 165619a81c14SSteve Longerbeam 165719a81c14SSteve Longerbeam /* get average */ 165819a81c14SSteve Longerbeam ret = ov5640_read_reg(sensor, OV5640_REG_AVG_READOUT, &average); 165919a81c14SSteve Longerbeam if (ret) 166019a81c14SSteve Longerbeam return ret; 166119a81c14SSteve Longerbeam 166219a81c14SSteve Longerbeam /* turn off night mode for capture */ 166319a81c14SSteve Longerbeam ret = ov5640_set_night_mode(sensor); 166419a81c14SSteve Longerbeam if (ret < 0) 166519a81c14SSteve Longerbeam return ret; 166619a81c14SSteve Longerbeam 166719a81c14SSteve Longerbeam /* Write capture setting */ 166819a81c14SSteve Longerbeam ret = ov5640_load_regs(sensor, mode); 166919a81c14SSteve Longerbeam if (ret < 0) 167019a81c14SSteve Longerbeam return ret; 167119a81c14SSteve Longerbeam 167219a81c14SSteve Longerbeam /* read capture VTS */ 167319a81c14SSteve Longerbeam ret = ov5640_get_vts(sensor); 167419a81c14SSteve Longerbeam if (ret < 0) 167519a81c14SSteve Longerbeam return ret; 167619a81c14SSteve Longerbeam cap_vts = ret; 167719a81c14SSteve Longerbeam ret = ov5640_get_hts(sensor); 167819a81c14SSteve Longerbeam if (ret < 0) 167919a81c14SSteve Longerbeam return ret; 168019a81c14SSteve Longerbeam if (ret == 0) 168119a81c14SSteve Longerbeam return -EINVAL; 168219a81c14SSteve Longerbeam cap_hts = ret; 168319a81c14SSteve Longerbeam 168419a81c14SSteve Longerbeam ret = ov5640_get_sysclk(sensor); 168519a81c14SSteve Longerbeam if (ret < 0) 168619a81c14SSteve Longerbeam return ret; 168719a81c14SSteve Longerbeam if (ret == 0) 168819a81c14SSteve Longerbeam return -EINVAL; 168919a81c14SSteve Longerbeam cap_sysclk = ret; 169019a81c14SSteve Longerbeam 169119a81c14SSteve Longerbeam /* calculate capture banding filter */ 169219a81c14SSteve Longerbeam ret = ov5640_get_light_freq(sensor); 169319a81c14SSteve Longerbeam if (ret < 0) 169419a81c14SSteve Longerbeam return ret; 169519a81c14SSteve Longerbeam light_freq = ret; 169619a81c14SSteve Longerbeam 169719a81c14SSteve Longerbeam if (light_freq == 60) { 169819a81c14SSteve Longerbeam /* 60Hz */ 169919a81c14SSteve Longerbeam cap_bandfilt = cap_sysclk * 100 / cap_hts * 100 / 120; 170019a81c14SSteve Longerbeam } else { 170119a81c14SSteve Longerbeam /* 50Hz */ 170219a81c14SSteve Longerbeam cap_bandfilt = cap_sysclk * 100 / cap_hts; 170319a81c14SSteve Longerbeam } 170419a81c14SSteve Longerbeam 170519a81c14SSteve Longerbeam if (!sensor->prev_sysclk) { 170619a81c14SSteve Longerbeam ret = ov5640_get_sysclk(sensor); 170719a81c14SSteve Longerbeam if (ret < 0) 170819a81c14SSteve Longerbeam return ret; 170919a81c14SSteve Longerbeam if (ret == 0) 171019a81c14SSteve Longerbeam return -EINVAL; 171119a81c14SSteve Longerbeam sensor->prev_sysclk = ret; 171219a81c14SSteve Longerbeam } 171319a81c14SSteve Longerbeam 171419a81c14SSteve Longerbeam if (!cap_bandfilt) 171519a81c14SSteve Longerbeam return -EINVAL; 171619a81c14SSteve Longerbeam 171719a81c14SSteve Longerbeam cap_maxband = (int)((cap_vts - 4) / cap_bandfilt); 171819a81c14SSteve Longerbeam 171919a81c14SSteve Longerbeam /* calculate capture shutter/gain16 */ 172019a81c14SSteve Longerbeam if (average > sensor->ae_low && average < sensor->ae_high) { 172119a81c14SSteve Longerbeam /* in stable range */ 172219a81c14SSteve Longerbeam cap_gain16_shutter = 172319a81c14SSteve Longerbeam prev_gain16 * prev_shutter * 172419a81c14SSteve Longerbeam cap_sysclk / sensor->prev_sysclk * 172519a81c14SSteve Longerbeam sensor->prev_hts / cap_hts * 172619a81c14SSteve Longerbeam sensor->ae_target / average; 172719a81c14SSteve Longerbeam } else { 172819a81c14SSteve Longerbeam cap_gain16_shutter = 172919a81c14SSteve Longerbeam prev_gain16 * prev_shutter * 173019a81c14SSteve Longerbeam cap_sysclk / sensor->prev_sysclk * 173119a81c14SSteve Longerbeam sensor->prev_hts / cap_hts; 173219a81c14SSteve Longerbeam } 173319a81c14SSteve Longerbeam 173419a81c14SSteve Longerbeam /* gain to shutter */ 173519a81c14SSteve Longerbeam if (cap_gain16_shutter < (cap_bandfilt * 16)) { 173619a81c14SSteve Longerbeam /* shutter < 1/100 */ 173719a81c14SSteve Longerbeam cap_shutter = cap_gain16_shutter / 16; 173819a81c14SSteve Longerbeam if (cap_shutter < 1) 173919a81c14SSteve Longerbeam cap_shutter = 1; 174019a81c14SSteve Longerbeam 174119a81c14SSteve Longerbeam cap_gain16 = cap_gain16_shutter / cap_shutter; 174219a81c14SSteve Longerbeam if (cap_gain16 < 16) 174319a81c14SSteve Longerbeam cap_gain16 = 16; 174419a81c14SSteve Longerbeam } else { 174519a81c14SSteve Longerbeam if (cap_gain16_shutter > (cap_bandfilt * cap_maxband * 16)) { 174619a81c14SSteve Longerbeam /* exposure reach max */ 174719a81c14SSteve Longerbeam cap_shutter = cap_bandfilt * cap_maxband; 174819a81c14SSteve Longerbeam if (!cap_shutter) 174919a81c14SSteve Longerbeam return -EINVAL; 175019a81c14SSteve Longerbeam 175119a81c14SSteve Longerbeam cap_gain16 = cap_gain16_shutter / cap_shutter; 175219a81c14SSteve Longerbeam } else { 175319a81c14SSteve Longerbeam /* 1/100 < (cap_shutter = n/100) =< max */ 175419a81c14SSteve Longerbeam cap_shutter = 175519a81c14SSteve Longerbeam ((int)(cap_gain16_shutter / 16 / cap_bandfilt)) 175619a81c14SSteve Longerbeam * cap_bandfilt; 175719a81c14SSteve Longerbeam if (!cap_shutter) 175819a81c14SSteve Longerbeam return -EINVAL; 175919a81c14SSteve Longerbeam 176019a81c14SSteve Longerbeam cap_gain16 = cap_gain16_shutter / cap_shutter; 176119a81c14SSteve Longerbeam } 176219a81c14SSteve Longerbeam } 176319a81c14SSteve Longerbeam 176419a81c14SSteve Longerbeam /* set capture gain */ 17653cca8ef5SHugues Fruchet ret = ov5640_set_gain(sensor, cap_gain16); 176619a81c14SSteve Longerbeam if (ret) 176719a81c14SSteve Longerbeam return ret; 176819a81c14SSteve Longerbeam 176919a81c14SSteve Longerbeam /* write capture shutter */ 177019a81c14SSteve Longerbeam if (cap_shutter > (cap_vts - 4)) { 177119a81c14SSteve Longerbeam cap_vts = cap_shutter + 4; 177219a81c14SSteve Longerbeam ret = ov5640_set_vts(sensor, cap_vts); 177319a81c14SSteve Longerbeam if (ret < 0) 177419a81c14SSteve Longerbeam return ret; 177519a81c14SSteve Longerbeam } 177619a81c14SSteve Longerbeam 177719a81c14SSteve Longerbeam /* set exposure */ 17783cca8ef5SHugues Fruchet return ov5640_set_exposure(sensor, cap_shutter); 177919a81c14SSteve Longerbeam } 178019a81c14SSteve Longerbeam 178119a81c14SSteve Longerbeam /* 178219a81c14SSteve Longerbeam * if sensor changes inside scaling or subsampling 178319a81c14SSteve Longerbeam * change mode directly 178419a81c14SSteve Longerbeam */ 178519a81c14SSteve Longerbeam static int ov5640_set_mode_direct(struct ov5640_dev *sensor, 17863cca8ef5SHugues Fruchet const struct ov5640_mode_info *mode) 178719a81c14SSteve Longerbeam { 178841d8d7f5SHugues Fruchet if (!mode->reg_data) 178919a81c14SSteve Longerbeam return -EINVAL; 179019a81c14SSteve Longerbeam 179119a81c14SSteve Longerbeam /* Write capture setting */ 17923cca8ef5SHugues Fruchet return ov5640_load_regs(sensor, mode); 179319a81c14SSteve Longerbeam } 179419a81c14SSteve Longerbeam 1795985cdcb0SHugues Fruchet static int ov5640_set_mode(struct ov5640_dev *sensor) 179619a81c14SSteve Longerbeam { 179719a81c14SSteve Longerbeam const struct ov5640_mode_info *mode = sensor->current_mode; 1798985cdcb0SHugues Fruchet const struct ov5640_mode_info *orig_mode = sensor->last_mode; 179919a81c14SSteve Longerbeam enum ov5640_downsize_mode dn_mode, orig_dn_mode; 18003cca8ef5SHugues Fruchet bool auto_gain = sensor->ctrls.auto_gain->val == 1; 1801dc29a1c1SHugues Fruchet bool auto_exp = sensor->ctrls.auto_exp->val == V4L2_EXPOSURE_AUTO; 1802aa288248SMaxime Ripard unsigned long rate; 180319a81c14SSteve Longerbeam int ret; 180419a81c14SSteve Longerbeam 180519a81c14SSteve Longerbeam dn_mode = mode->dn_mode; 180619a81c14SSteve Longerbeam orig_dn_mode = orig_mode->dn_mode; 180719a81c14SSteve Longerbeam 180819a81c14SSteve Longerbeam /* auto gain and exposure must be turned off when changing modes */ 18093cca8ef5SHugues Fruchet if (auto_gain) { 18103cca8ef5SHugues Fruchet ret = ov5640_set_autogain(sensor, false); 181119a81c14SSteve Longerbeam if (ret) 181219a81c14SSteve Longerbeam return ret; 18133cca8ef5SHugues Fruchet } 1814bf4a4b51SMaxime Ripard 18153cca8ef5SHugues Fruchet if (auto_exp) { 1816dc29a1c1SHugues Fruchet ret = ov5640_set_autoexposure(sensor, false); 181719a81c14SSteve Longerbeam if (ret) 18183cca8ef5SHugues Fruchet goto restore_auto_gain; 18193cca8ef5SHugues Fruchet } 182019a81c14SSteve Longerbeam 1821aa288248SMaxime Ripard /* 1822aa288248SMaxime Ripard * All the formats we support have 16 bits per pixel, seems to require 1823aa288248SMaxime Ripard * the same rate than YUV, so we can just use 16 bpp all the time. 1824aa288248SMaxime Ripard */ 1825dfbfb7aaSMaxime Ripard rate = mode->vtot * mode->htot * 16; 1826dfbfb7aaSMaxime Ripard rate *= ov5640_framerates[sensor->current_fr]; 1827aa288248SMaxime Ripard if (sensor->ep.bus_type == V4L2_MBUS_CSI2_DPHY) { 1828aa288248SMaxime Ripard rate = rate / sensor->ep.bus.mipi_csi2.num_data_lanes; 1829aa288248SMaxime Ripard ret = ov5640_set_mipi_pclk(sensor, rate); 1830aa288248SMaxime Ripard } else { 1831aa288248SMaxime Ripard rate = rate / sensor->ep.bus.parallel.bus_width; 1832aa288248SMaxime Ripard ret = ov5640_set_dvp_pclk(sensor, rate); 1833aa288248SMaxime Ripard } 1834aa288248SMaxime Ripard 1835aa288248SMaxime Ripard if (ret < 0) 1836aa288248SMaxime Ripard return 0; 1837aa288248SMaxime Ripard 183819a81c14SSteve Longerbeam if ((dn_mode == SUBSAMPLING && orig_dn_mode == SCALING) || 183919a81c14SSteve Longerbeam (dn_mode == SCALING && orig_dn_mode == SUBSAMPLING)) { 184019a81c14SSteve Longerbeam /* 184119a81c14SSteve Longerbeam * change between subsampling and scaling 18423cca8ef5SHugues Fruchet * go through exposure calculation 184319a81c14SSteve Longerbeam */ 184419a81c14SSteve Longerbeam ret = ov5640_set_mode_exposure_calc(sensor, mode); 184519a81c14SSteve Longerbeam } else { 184619a81c14SSteve Longerbeam /* 184719a81c14SSteve Longerbeam * change inside subsampling or scaling 184819a81c14SSteve Longerbeam * download firmware directly 184919a81c14SSteve Longerbeam */ 18503cca8ef5SHugues Fruchet ret = ov5640_set_mode_direct(sensor, mode); 185119a81c14SSteve Longerbeam } 185219a81c14SSteve Longerbeam if (ret < 0) 18533cca8ef5SHugues Fruchet goto restore_auto_exp_gain; 18543cca8ef5SHugues Fruchet 18553cca8ef5SHugues Fruchet /* restore auto gain and exposure */ 18563cca8ef5SHugues Fruchet if (auto_gain) 18573cca8ef5SHugues Fruchet ov5640_set_autogain(sensor, true); 18583cca8ef5SHugues Fruchet if (auto_exp) 18593cca8ef5SHugues Fruchet ov5640_set_autoexposure(sensor, true); 186019a81c14SSteve Longerbeam 1861ce85705aSHugues Fruchet ret = ov5640_set_binning(sensor, dn_mode != SCALING); 1862ce85705aSHugues Fruchet if (ret < 0) 1863ce85705aSHugues Fruchet return ret; 186419a81c14SSteve Longerbeam ret = ov5640_set_ae_target(sensor, sensor->ae_target); 186519a81c14SSteve Longerbeam if (ret < 0) 186619a81c14SSteve Longerbeam return ret; 186719a81c14SSteve Longerbeam ret = ov5640_get_light_freq(sensor); 186819a81c14SSteve Longerbeam if (ret < 0) 186919a81c14SSteve Longerbeam return ret; 187019a81c14SSteve Longerbeam ret = ov5640_set_bandingfilter(sensor); 187119a81c14SSteve Longerbeam if (ret < 0) 187219a81c14SSteve Longerbeam return ret; 187319a81c14SSteve Longerbeam ret = ov5640_set_virtual_channel(sensor); 187419a81c14SSteve Longerbeam if (ret < 0) 187519a81c14SSteve Longerbeam return ret; 187619a81c14SSteve Longerbeam 187719a81c14SSteve Longerbeam sensor->pending_mode_change = false; 1878985cdcb0SHugues Fruchet sensor->last_mode = mode; 187919a81c14SSteve Longerbeam 188019a81c14SSteve Longerbeam return 0; 18813cca8ef5SHugues Fruchet 18823cca8ef5SHugues Fruchet restore_auto_exp_gain: 18833cca8ef5SHugues Fruchet if (auto_exp) 18843cca8ef5SHugues Fruchet ov5640_set_autoexposure(sensor, true); 18853cca8ef5SHugues Fruchet restore_auto_gain: 18863cca8ef5SHugues Fruchet if (auto_gain) 18873cca8ef5SHugues Fruchet ov5640_set_autogain(sensor, true); 18883cca8ef5SHugues Fruchet 18893cca8ef5SHugues Fruchet return ret; 189019a81c14SSteve Longerbeam } 189119a81c14SSteve Longerbeam 189219ad26f9SAkinobu Mita static int ov5640_set_framefmt(struct ov5640_dev *sensor, 189319ad26f9SAkinobu Mita struct v4l2_mbus_framefmt *format); 189419ad26f9SAkinobu Mita 189519a81c14SSteve Longerbeam /* restore the last set video mode after chip power-on */ 189619a81c14SSteve Longerbeam static int ov5640_restore_mode(struct ov5640_dev *sensor) 189719a81c14SSteve Longerbeam { 189819a81c14SSteve Longerbeam int ret; 189919a81c14SSteve Longerbeam 190019a81c14SSteve Longerbeam /* first load the initial register values */ 190119a81c14SSteve Longerbeam ret = ov5640_load_regs(sensor, &ov5640_mode_init_data); 190219a81c14SSteve Longerbeam if (ret < 0) 190319a81c14SSteve Longerbeam return ret; 1904985cdcb0SHugues Fruchet sensor->last_mode = &ov5640_mode_init_data; 190519a81c14SSteve Longerbeam 19068f57c2f8SMaxime Ripard ret = ov5640_mod_reg(sensor, OV5640_REG_SYS_ROOT_DIVIDER, 0x3f, 19077851fe7aSMaxime Ripard (ilog2(OV5640_SCLK2X_ROOT_DIV) << 2) | 19087851fe7aSMaxime Ripard ilog2(OV5640_SCLK_ROOT_DIV)); 19098f57c2f8SMaxime Ripard if (ret) 19108f57c2f8SMaxime Ripard return ret; 19118f57c2f8SMaxime Ripard 191219a81c14SSteve Longerbeam /* now restore the last capture mode */ 1913985cdcb0SHugues Fruchet ret = ov5640_set_mode(sensor); 191419ad26f9SAkinobu Mita if (ret < 0) 191519ad26f9SAkinobu Mita return ret; 191619ad26f9SAkinobu Mita 191719ad26f9SAkinobu Mita return ov5640_set_framefmt(sensor, &sensor->fmt); 191819a81c14SSteve Longerbeam } 191919a81c14SSteve Longerbeam 192019a81c14SSteve Longerbeam static void ov5640_power(struct ov5640_dev *sensor, bool enable) 192119a81c14SSteve Longerbeam { 19221fddc5daSHugues Fruchet gpiod_set_value_cansleep(sensor->pwdn_gpio, enable ? 0 : 1); 192319a81c14SSteve Longerbeam } 192419a81c14SSteve Longerbeam 192519a81c14SSteve Longerbeam static void ov5640_reset(struct ov5640_dev *sensor) 192619a81c14SSteve Longerbeam { 192719a81c14SSteve Longerbeam if (!sensor->reset_gpio) 192819a81c14SSteve Longerbeam return; 192919a81c14SSteve Longerbeam 19301fddc5daSHugues Fruchet gpiod_set_value_cansleep(sensor->reset_gpio, 0); 193119a81c14SSteve Longerbeam 193219a81c14SSteve Longerbeam /* camera power cycle */ 193319a81c14SSteve Longerbeam ov5640_power(sensor, false); 193419a81c14SSteve Longerbeam usleep_range(5000, 10000); 193519a81c14SSteve Longerbeam ov5640_power(sensor, true); 193619a81c14SSteve Longerbeam usleep_range(5000, 10000); 193719a81c14SSteve Longerbeam 19381fddc5daSHugues Fruchet gpiod_set_value_cansleep(sensor->reset_gpio, 1); 193919a81c14SSteve Longerbeam usleep_range(1000, 2000); 194019a81c14SSteve Longerbeam 19411fddc5daSHugues Fruchet gpiod_set_value_cansleep(sensor->reset_gpio, 0); 19421d4c41f3SLoic Poulain usleep_range(20000, 25000); 194319a81c14SSteve Longerbeam } 194419a81c14SSteve Longerbeam 19450f7acb52SHugues Fruchet static int ov5640_set_power_on(struct ov5640_dev *sensor) 194619a81c14SSteve Longerbeam { 19470f7acb52SHugues Fruchet struct i2c_client *client = sensor->i2c_client; 19480f7acb52SHugues Fruchet int ret; 194919a81c14SSteve Longerbeam 19500f7acb52SHugues Fruchet ret = clk_prepare_enable(sensor->xclk); 19510f7acb52SHugues Fruchet if (ret) { 19520f7acb52SHugues Fruchet dev_err(&client->dev, "%s: failed to enable clock\n", 19530f7acb52SHugues Fruchet __func__); 19540f7acb52SHugues Fruchet return ret; 19550f7acb52SHugues Fruchet } 195619a81c14SSteve Longerbeam 195719a81c14SSteve Longerbeam ret = regulator_bulk_enable(OV5640_NUM_SUPPLIES, 195819a81c14SSteve Longerbeam sensor->supplies); 19590f7acb52SHugues Fruchet if (ret) { 19600f7acb52SHugues Fruchet dev_err(&client->dev, "%s: failed to enable regulators\n", 19610f7acb52SHugues Fruchet __func__); 196219a81c14SSteve Longerbeam goto xclk_off; 19630f7acb52SHugues Fruchet } 196419a81c14SSteve Longerbeam 196519a81c14SSteve Longerbeam ov5640_reset(sensor); 196619a81c14SSteve Longerbeam ov5640_power(sensor, true); 196719a81c14SSteve Longerbeam 196819a81c14SSteve Longerbeam ret = ov5640_init_slave_id(sensor); 196919a81c14SSteve Longerbeam if (ret) 197019a81c14SSteve Longerbeam goto power_off; 197119a81c14SSteve Longerbeam 19720f7acb52SHugues Fruchet return 0; 19730f7acb52SHugues Fruchet 19740f7acb52SHugues Fruchet power_off: 19750f7acb52SHugues Fruchet ov5640_power(sensor, false); 19760f7acb52SHugues Fruchet regulator_bulk_disable(OV5640_NUM_SUPPLIES, sensor->supplies); 19770f7acb52SHugues Fruchet xclk_off: 19780f7acb52SHugues Fruchet clk_disable_unprepare(sensor->xclk); 19790f7acb52SHugues Fruchet return ret; 19800f7acb52SHugues Fruchet } 19810f7acb52SHugues Fruchet 19820f7acb52SHugues Fruchet static void ov5640_set_power_off(struct ov5640_dev *sensor) 19830f7acb52SHugues Fruchet { 19840f7acb52SHugues Fruchet ov5640_power(sensor, false); 19850f7acb52SHugues Fruchet regulator_bulk_disable(OV5640_NUM_SUPPLIES, sensor->supplies); 19860f7acb52SHugues Fruchet clk_disable_unprepare(sensor->xclk); 19870f7acb52SHugues Fruchet } 19880f7acb52SHugues Fruchet 19890f7acb52SHugues Fruchet static int ov5640_set_power(struct ov5640_dev *sensor, bool on) 19900f7acb52SHugues Fruchet { 19910f7acb52SHugues Fruchet int ret = 0; 19920f7acb52SHugues Fruchet 19930f7acb52SHugues Fruchet if (on) { 19940f7acb52SHugues Fruchet ret = ov5640_set_power_on(sensor); 19950f7acb52SHugues Fruchet if (ret) 19960f7acb52SHugues Fruchet return ret; 19970f7acb52SHugues Fruchet 199819a81c14SSteve Longerbeam ret = ov5640_restore_mode(sensor); 199919a81c14SSteve Longerbeam if (ret) 200019a81c14SSteve Longerbeam goto power_off; 200119a81c14SSteve Longerbeam 2002aa4bb8b8SJacopo Mondi /* We're done here for DVP bus, while CSI-2 needs setup. */ 20032d95e7edSSakari Ailus if (sensor->ep.bus_type != V4L2_MBUS_CSI2_DPHY) 2004aa4bb8b8SJacopo Mondi return 0; 2005aa4bb8b8SJacopo Mondi 200619a81c14SSteve Longerbeam /* 2007aa4bb8b8SJacopo Mondi * Power up MIPI HS Tx and LS Rx; 2 data lanes mode 2008aa4bb8b8SJacopo Mondi * 2009aa4bb8b8SJacopo Mondi * 0x300e = 0x40 2010aa4bb8b8SJacopo Mondi * [7:5] = 010 : 2 data lanes mode (see FIXME note in 2011aa4bb8b8SJacopo Mondi * "ov5640_set_stream_mipi()") 2012aa4bb8b8SJacopo Mondi * [4] = 0 : Power up MIPI HS Tx 2013aa4bb8b8SJacopo Mondi * [3] = 0 : Power up MIPI LS Rx 2014aa4bb8b8SJacopo Mondi * [2] = 0 : MIPI interface disabled 201519a81c14SSteve Longerbeam */ 2016aa4bb8b8SJacopo Mondi ret = ov5640_write_reg(sensor, 2017aa4bb8b8SJacopo Mondi OV5640_REG_IO_MIPI_CTRL00, 0x40); 201819a81c14SSteve Longerbeam if (ret) 201919a81c14SSteve Longerbeam goto power_off; 2020aa4bb8b8SJacopo Mondi 2021aa4bb8b8SJacopo Mondi /* 2022aa4bb8b8SJacopo Mondi * Gate clock and set LP11 in 'no packets mode' (idle) 2023aa4bb8b8SJacopo Mondi * 2024aa4bb8b8SJacopo Mondi * 0x4800 = 0x24 2025aa4bb8b8SJacopo Mondi * [5] = 1 : Gate clock when 'no packets' 2026aa4bb8b8SJacopo Mondi * [2] = 1 : MIPI bus in LP11 when 'no packets' 2027aa4bb8b8SJacopo Mondi */ 2028aa4bb8b8SJacopo Mondi ret = ov5640_write_reg(sensor, 2029aa4bb8b8SJacopo Mondi OV5640_REG_MIPI_CTRL00, 0x24); 203019a81c14SSteve Longerbeam if (ret) 203119a81c14SSteve Longerbeam goto power_off; 2032aa4bb8b8SJacopo Mondi 2033aa4bb8b8SJacopo Mondi /* 2034aa4bb8b8SJacopo Mondi * Set data lanes and clock in LP11 when 'sleeping' 2035aa4bb8b8SJacopo Mondi * 2036aa4bb8b8SJacopo Mondi * 0x3019 = 0x70 2037aa4bb8b8SJacopo Mondi * [6] = 1 : MIPI data lane 2 in LP11 when 'sleeping' 2038aa4bb8b8SJacopo Mondi * [5] = 1 : MIPI data lane 1 in LP11 when 'sleeping' 2039aa4bb8b8SJacopo Mondi * [4] = 1 : MIPI clock lane in LP11 when 'sleeping' 2040aa4bb8b8SJacopo Mondi */ 2041aa4bb8b8SJacopo Mondi ret = ov5640_write_reg(sensor, 2042aa4bb8b8SJacopo Mondi OV5640_REG_PAD_OUTPUT00, 0x70); 2043aa4bb8b8SJacopo Mondi if (ret) 2044aa4bb8b8SJacopo Mondi goto power_off; 2045aa4bb8b8SJacopo Mondi 2046aa4bb8b8SJacopo Mondi /* Give lanes some time to coax into LP11 state. */ 2047aa4bb8b8SJacopo Mondi usleep_range(500, 1000); 2048aa4bb8b8SJacopo Mondi 2049aa4bb8b8SJacopo Mondi } else { 20502d95e7edSSakari Ailus if (sensor->ep.bus_type == V4L2_MBUS_CSI2_DPHY) { 2051aa4bb8b8SJacopo Mondi /* Reset MIPI bus settings to their default values. */ 2052aa4bb8b8SJacopo Mondi ov5640_write_reg(sensor, 2053aa4bb8b8SJacopo Mondi OV5640_REG_IO_MIPI_CTRL00, 0x58); 2054aa4bb8b8SJacopo Mondi ov5640_write_reg(sensor, 2055aa4bb8b8SJacopo Mondi OV5640_REG_MIPI_CTRL00, 0x04); 2056aa4bb8b8SJacopo Mondi ov5640_write_reg(sensor, 2057aa4bb8b8SJacopo Mondi OV5640_REG_PAD_OUTPUT00, 0x00); 2058aa4bb8b8SJacopo Mondi } 2059aa4bb8b8SJacopo Mondi 2060aa4bb8b8SJacopo Mondi ov5640_set_power_off(sensor); 2061f22996dbSHugues Fruchet } 206219a81c14SSteve Longerbeam 206319a81c14SSteve Longerbeam return 0; 206419a81c14SSteve Longerbeam 206519a81c14SSteve Longerbeam power_off: 20660f7acb52SHugues Fruchet ov5640_set_power_off(sensor); 206719a81c14SSteve Longerbeam return ret; 206819a81c14SSteve Longerbeam } 206919a81c14SSteve Longerbeam 207019a81c14SSteve Longerbeam /* --------------- Subdev Operations --------------- */ 207119a81c14SSteve Longerbeam 207219a81c14SSteve Longerbeam static int ov5640_s_power(struct v4l2_subdev *sd, int on) 207319a81c14SSteve Longerbeam { 207419a81c14SSteve Longerbeam struct ov5640_dev *sensor = to_ov5640_dev(sd); 207519a81c14SSteve Longerbeam int ret = 0; 207619a81c14SSteve Longerbeam 207719a81c14SSteve Longerbeam mutex_lock(&sensor->lock); 207819a81c14SSteve Longerbeam 207919a81c14SSteve Longerbeam /* 208019a81c14SSteve Longerbeam * If the power count is modified from 0 to != 0 or from != 0 to 0, 208119a81c14SSteve Longerbeam * update the power state. 208219a81c14SSteve Longerbeam */ 208319a81c14SSteve Longerbeam if (sensor->power_count == !on) { 208419a81c14SSteve Longerbeam ret = ov5640_set_power(sensor, !!on); 208519a81c14SSteve Longerbeam if (ret) 208619a81c14SSteve Longerbeam goto out; 208719a81c14SSteve Longerbeam } 208819a81c14SSteve Longerbeam 208919a81c14SSteve Longerbeam /* Update the power count. */ 209019a81c14SSteve Longerbeam sensor->power_count += on ? 1 : -1; 209119a81c14SSteve Longerbeam WARN_ON(sensor->power_count < 0); 209219a81c14SSteve Longerbeam out: 209319a81c14SSteve Longerbeam mutex_unlock(&sensor->lock); 209419a81c14SSteve Longerbeam 209519a81c14SSteve Longerbeam if (on && !ret && sensor->power_count == 1) { 209619a81c14SSteve Longerbeam /* restore controls */ 209719a81c14SSteve Longerbeam ret = v4l2_ctrl_handler_setup(&sensor->ctrls.handler); 209819a81c14SSteve Longerbeam } 209919a81c14SSteve Longerbeam 210019a81c14SSteve Longerbeam return ret; 210119a81c14SSteve Longerbeam } 210219a81c14SSteve Longerbeam 210319a81c14SSteve Longerbeam static int ov5640_try_frame_interval(struct ov5640_dev *sensor, 210419a81c14SSteve Longerbeam struct v4l2_fract *fi, 210519a81c14SSteve Longerbeam u32 width, u32 height) 210619a81c14SSteve Longerbeam { 210719a81c14SSteve Longerbeam const struct ov5640_mode_info *mode; 21086530a5ebSJagan Teki enum ov5640_frame_rate rate = OV5640_15_FPS; 2109f6cc192fSMaxime Ripard int minfps, maxfps, best_fps, fps; 2110f6cc192fSMaxime Ripard int i; 211119a81c14SSteve Longerbeam 211219a81c14SSteve Longerbeam minfps = ov5640_framerates[OV5640_15_FPS]; 2113e823fb16SMaxime Ripard maxfps = ov5640_framerates[OV5640_60_FPS]; 211419a81c14SSteve Longerbeam 211519a81c14SSteve Longerbeam if (fi->numerator == 0) { 211619a81c14SSteve Longerbeam fi->denominator = maxfps; 211719a81c14SSteve Longerbeam fi->numerator = 1; 2118e823fb16SMaxime Ripard rate = OV5640_60_FPS; 2119e823fb16SMaxime Ripard goto find_mode; 212019a81c14SSteve Longerbeam } 212119a81c14SSteve Longerbeam 2122f6cc192fSMaxime Ripard fps = clamp_val(DIV_ROUND_CLOSEST(fi->denominator, fi->numerator), 2123f6cc192fSMaxime Ripard minfps, maxfps); 2124f6cc192fSMaxime Ripard 2125f6cc192fSMaxime Ripard best_fps = minfps; 2126f6cc192fSMaxime Ripard for (i = 0; i < ARRAY_SIZE(ov5640_framerates); i++) { 2127f6cc192fSMaxime Ripard int curr_fps = ov5640_framerates[i]; 2128f6cc192fSMaxime Ripard 2129f6cc192fSMaxime Ripard if (abs(curr_fps - fps) < abs(best_fps - fps)) { 2130f6cc192fSMaxime Ripard best_fps = curr_fps; 2131f6cc192fSMaxime Ripard rate = i; 2132f6cc192fSMaxime Ripard } 2133f6cc192fSMaxime Ripard } 213419a81c14SSteve Longerbeam 213519a81c14SSteve Longerbeam fi->numerator = 1; 2136f6cc192fSMaxime Ripard fi->denominator = best_fps; 213719a81c14SSteve Longerbeam 2138e823fb16SMaxime Ripard find_mode: 21395a3ad937SMaxime Ripard mode = ov5640_find_mode(sensor, rate, width, height, false); 21405a3ad937SMaxime Ripard return mode ? rate : -EINVAL; 214119a81c14SSteve Longerbeam } 214219a81c14SSteve Longerbeam 214319a81c14SSteve Longerbeam static int ov5640_get_fmt(struct v4l2_subdev *sd, 214419a81c14SSteve Longerbeam struct v4l2_subdev_pad_config *cfg, 214519a81c14SSteve Longerbeam struct v4l2_subdev_format *format) 214619a81c14SSteve Longerbeam { 214719a81c14SSteve Longerbeam struct ov5640_dev *sensor = to_ov5640_dev(sd); 214819a81c14SSteve Longerbeam struct v4l2_mbus_framefmt *fmt; 214919a81c14SSteve Longerbeam 215019a81c14SSteve Longerbeam if (format->pad != 0) 215119a81c14SSteve Longerbeam return -EINVAL; 215219a81c14SSteve Longerbeam 215319a81c14SSteve Longerbeam mutex_lock(&sensor->lock); 215419a81c14SSteve Longerbeam 215519a81c14SSteve Longerbeam if (format->which == V4L2_SUBDEV_FORMAT_TRY) 215619a81c14SSteve Longerbeam fmt = v4l2_subdev_get_try_format(&sensor->sd, cfg, 215719a81c14SSteve Longerbeam format->pad); 215819a81c14SSteve Longerbeam else 215919a81c14SSteve Longerbeam fmt = &sensor->fmt; 216019a81c14SSteve Longerbeam 216119a81c14SSteve Longerbeam format->format = *fmt; 216219a81c14SSteve Longerbeam 216319a81c14SSteve Longerbeam mutex_unlock(&sensor->lock); 216419a81c14SSteve Longerbeam 216519a81c14SSteve Longerbeam return 0; 216619a81c14SSteve Longerbeam } 216719a81c14SSteve Longerbeam 216819a81c14SSteve Longerbeam static int ov5640_try_fmt_internal(struct v4l2_subdev *sd, 216919a81c14SSteve Longerbeam struct v4l2_mbus_framefmt *fmt, 217019a81c14SSteve Longerbeam enum ov5640_frame_rate fr, 217119a81c14SSteve Longerbeam const struct ov5640_mode_info **new_mode) 217219a81c14SSteve Longerbeam { 217319a81c14SSteve Longerbeam struct ov5640_dev *sensor = to_ov5640_dev(sd); 217419a81c14SSteve Longerbeam const struct ov5640_mode_info *mode; 2175e3ee691dSHugues Fruchet int i; 217619a81c14SSteve Longerbeam 217719a81c14SSteve Longerbeam mode = ov5640_find_mode(sensor, fr, fmt->width, fmt->height, true); 217819a81c14SSteve Longerbeam if (!mode) 217919a81c14SSteve Longerbeam return -EINVAL; 2180dba13a0bSMaxime Ripard fmt->width = mode->hact; 2181dba13a0bSMaxime Ripard fmt->height = mode->vact; 218219a81c14SSteve Longerbeam 218319a81c14SSteve Longerbeam if (new_mode) 218419a81c14SSteve Longerbeam *new_mode = mode; 2185e3ee691dSHugues Fruchet 2186e3ee691dSHugues Fruchet for (i = 0; i < ARRAY_SIZE(ov5640_formats); i++) 2187e3ee691dSHugues Fruchet if (ov5640_formats[i].code == fmt->code) 2188e3ee691dSHugues Fruchet break; 2189e3ee691dSHugues Fruchet if (i >= ARRAY_SIZE(ov5640_formats)) 2190e6441fdeSHugues Fruchet i = 0; 2191e6441fdeSHugues Fruchet 2192e6441fdeSHugues Fruchet fmt->code = ov5640_formats[i].code; 2193e6441fdeSHugues Fruchet fmt->colorspace = ov5640_formats[i].colorspace; 2194e6441fdeSHugues Fruchet fmt->ycbcr_enc = V4L2_MAP_YCBCR_ENC_DEFAULT(fmt->colorspace); 2195e6441fdeSHugues Fruchet fmt->quantization = V4L2_QUANTIZATION_FULL_RANGE; 2196e6441fdeSHugues Fruchet fmt->xfer_func = V4L2_MAP_XFER_FUNC_DEFAULT(fmt->colorspace); 2197e3ee691dSHugues Fruchet 219819a81c14SSteve Longerbeam return 0; 219919a81c14SSteve Longerbeam } 220019a81c14SSteve Longerbeam 220119a81c14SSteve Longerbeam static int ov5640_set_fmt(struct v4l2_subdev *sd, 220219a81c14SSteve Longerbeam struct v4l2_subdev_pad_config *cfg, 220319a81c14SSteve Longerbeam struct v4l2_subdev_format *format) 220419a81c14SSteve Longerbeam { 220519a81c14SSteve Longerbeam struct ov5640_dev *sensor = to_ov5640_dev(sd); 220619a81c14SSteve Longerbeam const struct ov5640_mode_info *new_mode; 2207e6441fdeSHugues Fruchet struct v4l2_mbus_framefmt *mbus_fmt = &format->format; 220807115449SJacopo Mondi struct v4l2_mbus_framefmt *fmt; 220919a81c14SSteve Longerbeam int ret; 221019a81c14SSteve Longerbeam 221119a81c14SSteve Longerbeam if (format->pad != 0) 221219a81c14SSteve Longerbeam return -EINVAL; 221319a81c14SSteve Longerbeam 221419a81c14SSteve Longerbeam mutex_lock(&sensor->lock); 221519a81c14SSteve Longerbeam 221619a81c14SSteve Longerbeam if (sensor->streaming) { 221719a81c14SSteve Longerbeam ret = -EBUSY; 221819a81c14SSteve Longerbeam goto out; 221919a81c14SSteve Longerbeam } 222019a81c14SSteve Longerbeam 2221e6441fdeSHugues Fruchet ret = ov5640_try_fmt_internal(sd, mbus_fmt, 222219a81c14SSteve Longerbeam sensor->current_fr, &new_mode); 222319a81c14SSteve Longerbeam if (ret) 222419a81c14SSteve Longerbeam goto out; 222519a81c14SSteve Longerbeam 222607115449SJacopo Mondi if (format->which == V4L2_SUBDEV_FORMAT_TRY) 222707115449SJacopo Mondi fmt = v4l2_subdev_get_try_format(sd, cfg, 0); 222807115449SJacopo Mondi else 222907115449SJacopo Mondi fmt = &sensor->fmt; 223019a81c14SSteve Longerbeam 2231e6441fdeSHugues Fruchet *fmt = *mbus_fmt; 223219a81c14SSteve Longerbeam 22336949d864SHugues Fruchet if (new_mode != sensor->current_mode) { 223419a81c14SSteve Longerbeam sensor->current_mode = new_mode; 223519a81c14SSteve Longerbeam sensor->pending_mode_change = true; 22366949d864SHugues Fruchet } 223707115449SJacopo Mondi if (mbus_fmt->code != sensor->fmt.code) 2238fb98e29fSHugues Fruchet sensor->pending_fmt_change = true; 223907115449SJacopo Mondi 224019a81c14SSteve Longerbeam out: 224119a81c14SSteve Longerbeam mutex_unlock(&sensor->lock); 224219a81c14SSteve Longerbeam return ret; 224319a81c14SSteve Longerbeam } 224419a81c14SSteve Longerbeam 2245e3ee691dSHugues Fruchet static int ov5640_set_framefmt(struct ov5640_dev *sensor, 2246e3ee691dSHugues Fruchet struct v4l2_mbus_framefmt *format) 2247e3ee691dSHugues Fruchet { 2248e3ee691dSHugues Fruchet int ret = 0; 2249d47c4126SHugues Fruchet bool is_jpeg = false; 2250b7ed3abdSLoic Poulain u8 fmt, mux; 2251e3ee691dSHugues Fruchet 2252e3ee691dSHugues Fruchet switch (format->code) { 2253e3ee691dSHugues Fruchet case MEDIA_BUS_FMT_UYVY8_2X8: 2254e3ee691dSHugues Fruchet /* YUV422, UYVY */ 2255b7ed3abdSLoic Poulain fmt = 0x3f; 2256b7ed3abdSLoic Poulain mux = OV5640_FMT_MUX_YUV422; 2257e3ee691dSHugues Fruchet break; 2258e3ee691dSHugues Fruchet case MEDIA_BUS_FMT_YUYV8_2X8: 2259e3ee691dSHugues Fruchet /* YUV422, YUYV */ 2260b7ed3abdSLoic Poulain fmt = 0x30; 2261b7ed3abdSLoic Poulain mux = OV5640_FMT_MUX_YUV422; 2262e3ee691dSHugues Fruchet break; 2263e3ee691dSHugues Fruchet case MEDIA_BUS_FMT_RGB565_2X8_LE: 2264e3ee691dSHugues Fruchet /* RGB565 {g[2:0],b[4:0]},{r[4:0],g[5:3]} */ 2265b7ed3abdSLoic Poulain fmt = 0x6F; 2266b7ed3abdSLoic Poulain mux = OV5640_FMT_MUX_RGB; 2267e3ee691dSHugues Fruchet break; 2268e3ee691dSHugues Fruchet case MEDIA_BUS_FMT_RGB565_2X8_BE: 2269e3ee691dSHugues Fruchet /* RGB565 {r[4:0],g[5:3]},{g[2:0],b[4:0]} */ 2270b7ed3abdSLoic Poulain fmt = 0x61; 2271b7ed3abdSLoic Poulain mux = OV5640_FMT_MUX_RGB; 2272e3ee691dSHugues Fruchet break; 2273d47c4126SHugues Fruchet case MEDIA_BUS_FMT_JPEG_1X8: 2274d47c4126SHugues Fruchet /* YUV422, YUYV */ 2275b7ed3abdSLoic Poulain fmt = 0x30; 2276b7ed3abdSLoic Poulain mux = OV5640_FMT_MUX_YUV422; 2277d47c4126SHugues Fruchet is_jpeg = true; 2278d47c4126SHugues Fruchet break; 2279b7ed3abdSLoic Poulain case MEDIA_BUS_FMT_SBGGR8_1X8: 2280b7ed3abdSLoic Poulain /* Raw, BGBG... / GRGR... */ 2281b7ed3abdSLoic Poulain fmt = 0x00; 2282b7ed3abdSLoic Poulain mux = OV5640_FMT_MUX_RAW_DPC; 2283b7ed3abdSLoic Poulain break; 2284b7ed3abdSLoic Poulain case MEDIA_BUS_FMT_SGBRG8_1X8: 2285b7ed3abdSLoic Poulain /* Raw bayer, GBGB... / RGRG... */ 2286b7ed3abdSLoic Poulain fmt = 0x01; 2287b7ed3abdSLoic Poulain mux = OV5640_FMT_MUX_RAW_DPC; 2288b7ed3abdSLoic Poulain break; 2289b7ed3abdSLoic Poulain case MEDIA_BUS_FMT_SGRBG8_1X8: 2290b7ed3abdSLoic Poulain /* Raw bayer, GRGR... / BGBG... */ 2291b7ed3abdSLoic Poulain fmt = 0x02; 2292b7ed3abdSLoic Poulain mux = OV5640_FMT_MUX_RAW_DPC; 2293b7ed3abdSLoic Poulain break; 2294b7ed3abdSLoic Poulain case MEDIA_BUS_FMT_SRGGB8_1X8: 2295b7ed3abdSLoic Poulain /* Raw bayer, RGRG... / GBGB... */ 2296b7ed3abdSLoic Poulain fmt = 0x03; 2297b7ed3abdSLoic Poulain mux = OV5640_FMT_MUX_RAW_DPC; 2298b7ed3abdSLoic Poulain break; 2299e3ee691dSHugues Fruchet default: 2300e3ee691dSHugues Fruchet return -EINVAL; 2301e3ee691dSHugues Fruchet } 2302e3ee691dSHugues Fruchet 2303e3ee691dSHugues Fruchet /* FORMAT CONTROL00: YUV and RGB formatting */ 2304b7ed3abdSLoic Poulain ret = ov5640_write_reg(sensor, OV5640_REG_FORMAT_CONTROL00, fmt); 2305e3ee691dSHugues Fruchet if (ret) 2306e3ee691dSHugues Fruchet return ret; 2307e3ee691dSHugues Fruchet 2308e3ee691dSHugues Fruchet /* FORMAT MUX CONTROL: ISP YUV or RGB */ 2309b7ed3abdSLoic Poulain ret = ov5640_write_reg(sensor, OV5640_REG_ISP_FORMAT_MUX_CTRL, mux); 2310d47c4126SHugues Fruchet if (ret) 2311d47c4126SHugues Fruchet return ret; 2312d47c4126SHugues Fruchet 2313d47c4126SHugues Fruchet /* 2314d47c4126SHugues Fruchet * TIMING TC REG21: 2315d47c4126SHugues Fruchet * - [5]: JPEG enable 2316d47c4126SHugues Fruchet */ 2317d47c4126SHugues Fruchet ret = ov5640_mod_reg(sensor, OV5640_REG_TIMING_TC_REG21, 2318d47c4126SHugues Fruchet BIT(5), is_jpeg ? BIT(5) : 0); 2319d47c4126SHugues Fruchet if (ret) 2320d47c4126SHugues Fruchet return ret; 2321d47c4126SHugues Fruchet 2322d47c4126SHugues Fruchet /* 2323d47c4126SHugues Fruchet * SYSTEM RESET02: 2324d47c4126SHugues Fruchet * - [4]: Reset JFIFO 2325d47c4126SHugues Fruchet * - [3]: Reset SFIFO 2326d47c4126SHugues Fruchet * - [2]: Reset JPEG 2327d47c4126SHugues Fruchet */ 2328d47c4126SHugues Fruchet ret = ov5640_mod_reg(sensor, OV5640_REG_SYS_RESET02, 2329d47c4126SHugues Fruchet BIT(4) | BIT(3) | BIT(2), 2330d47c4126SHugues Fruchet is_jpeg ? 0 : (BIT(4) | BIT(3) | BIT(2))); 2331d47c4126SHugues Fruchet if (ret) 2332d47c4126SHugues Fruchet return ret; 2333d47c4126SHugues Fruchet 2334d47c4126SHugues Fruchet /* 2335d47c4126SHugues Fruchet * CLOCK ENABLE02: 2336d47c4126SHugues Fruchet * - [5]: Enable JPEG 2x clock 2337d47c4126SHugues Fruchet * - [3]: Enable JPEG clock 2338d47c4126SHugues Fruchet */ 2339d47c4126SHugues Fruchet return ov5640_mod_reg(sensor, OV5640_REG_SYS_CLOCK_ENABLE02, 2340d47c4126SHugues Fruchet BIT(5) | BIT(3), 2341d47c4126SHugues Fruchet is_jpeg ? (BIT(5) | BIT(3)) : 0); 2342e3ee691dSHugues Fruchet } 234319a81c14SSteve Longerbeam 234419a81c14SSteve Longerbeam /* 234519a81c14SSteve Longerbeam * Sensor Controls. 234619a81c14SSteve Longerbeam */ 234719a81c14SSteve Longerbeam 234819a81c14SSteve Longerbeam static int ov5640_set_ctrl_hue(struct ov5640_dev *sensor, int value) 234919a81c14SSteve Longerbeam { 235019a81c14SSteve Longerbeam int ret; 235119a81c14SSteve Longerbeam 235219a81c14SSteve Longerbeam if (value) { 235319a81c14SSteve Longerbeam ret = ov5640_mod_reg(sensor, OV5640_REG_SDE_CTRL0, 235419a81c14SSteve Longerbeam BIT(0), BIT(0)); 235519a81c14SSteve Longerbeam if (ret) 235619a81c14SSteve Longerbeam return ret; 235719a81c14SSteve Longerbeam ret = ov5640_write_reg16(sensor, OV5640_REG_SDE_CTRL1, value); 235819a81c14SSteve Longerbeam } else { 235919a81c14SSteve Longerbeam ret = ov5640_mod_reg(sensor, OV5640_REG_SDE_CTRL0, BIT(0), 0); 236019a81c14SSteve Longerbeam } 236119a81c14SSteve Longerbeam 236219a81c14SSteve Longerbeam return ret; 236319a81c14SSteve Longerbeam } 236419a81c14SSteve Longerbeam 236519a81c14SSteve Longerbeam static int ov5640_set_ctrl_contrast(struct ov5640_dev *sensor, int value) 236619a81c14SSteve Longerbeam { 236719a81c14SSteve Longerbeam int ret; 236819a81c14SSteve Longerbeam 236919a81c14SSteve Longerbeam if (value) { 237019a81c14SSteve Longerbeam ret = ov5640_mod_reg(sensor, OV5640_REG_SDE_CTRL0, 237119a81c14SSteve Longerbeam BIT(2), BIT(2)); 237219a81c14SSteve Longerbeam if (ret) 237319a81c14SSteve Longerbeam return ret; 237419a81c14SSteve Longerbeam ret = ov5640_write_reg(sensor, OV5640_REG_SDE_CTRL5, 237519a81c14SSteve Longerbeam value & 0xff); 237619a81c14SSteve Longerbeam } else { 237719a81c14SSteve Longerbeam ret = ov5640_mod_reg(sensor, OV5640_REG_SDE_CTRL0, BIT(2), 0); 237819a81c14SSteve Longerbeam } 237919a81c14SSteve Longerbeam 238019a81c14SSteve Longerbeam return ret; 238119a81c14SSteve Longerbeam } 238219a81c14SSteve Longerbeam 238319a81c14SSteve Longerbeam static int ov5640_set_ctrl_saturation(struct ov5640_dev *sensor, int value) 238419a81c14SSteve Longerbeam { 238519a81c14SSteve Longerbeam int ret; 238619a81c14SSteve Longerbeam 238719a81c14SSteve Longerbeam if (value) { 238819a81c14SSteve Longerbeam ret = ov5640_mod_reg(sensor, OV5640_REG_SDE_CTRL0, 238919a81c14SSteve Longerbeam BIT(1), BIT(1)); 239019a81c14SSteve Longerbeam if (ret) 239119a81c14SSteve Longerbeam return ret; 239219a81c14SSteve Longerbeam ret = ov5640_write_reg(sensor, OV5640_REG_SDE_CTRL3, 239319a81c14SSteve Longerbeam value & 0xff); 239419a81c14SSteve Longerbeam if (ret) 239519a81c14SSteve Longerbeam return ret; 239619a81c14SSteve Longerbeam ret = ov5640_write_reg(sensor, OV5640_REG_SDE_CTRL4, 239719a81c14SSteve Longerbeam value & 0xff); 239819a81c14SSteve Longerbeam } else { 239919a81c14SSteve Longerbeam ret = ov5640_mod_reg(sensor, OV5640_REG_SDE_CTRL0, BIT(1), 0); 240019a81c14SSteve Longerbeam } 240119a81c14SSteve Longerbeam 240219a81c14SSteve Longerbeam return ret; 240319a81c14SSteve Longerbeam } 240419a81c14SSteve Longerbeam 240519a81c14SSteve Longerbeam static int ov5640_set_ctrl_white_balance(struct ov5640_dev *sensor, int awb) 240619a81c14SSteve Longerbeam { 240719a81c14SSteve Longerbeam int ret; 240819a81c14SSteve Longerbeam 240919a81c14SSteve Longerbeam ret = ov5640_mod_reg(sensor, OV5640_REG_AWB_MANUAL_CTRL, 241019a81c14SSteve Longerbeam BIT(0), awb ? 0 : 1); 241119a81c14SSteve Longerbeam if (ret) 241219a81c14SSteve Longerbeam return ret; 241319a81c14SSteve Longerbeam 241419a81c14SSteve Longerbeam if (!awb) { 241519a81c14SSteve Longerbeam u16 red = (u16)sensor->ctrls.red_balance->val; 241619a81c14SSteve Longerbeam u16 blue = (u16)sensor->ctrls.blue_balance->val; 241719a81c14SSteve Longerbeam 241819a81c14SSteve Longerbeam ret = ov5640_write_reg16(sensor, OV5640_REG_AWB_R_GAIN, red); 241919a81c14SSteve Longerbeam if (ret) 242019a81c14SSteve Longerbeam return ret; 242119a81c14SSteve Longerbeam ret = ov5640_write_reg16(sensor, OV5640_REG_AWB_B_GAIN, blue); 242219a81c14SSteve Longerbeam } 242319a81c14SSteve Longerbeam 242419a81c14SSteve Longerbeam return ret; 242519a81c14SSteve Longerbeam } 242619a81c14SSteve Longerbeam 24273cca8ef5SHugues Fruchet static int ov5640_set_ctrl_exposure(struct ov5640_dev *sensor, 24283cca8ef5SHugues Fruchet enum v4l2_exposure_auto_type auto_exposure) 242919a81c14SSteve Longerbeam { 243019a81c14SSteve Longerbeam struct ov5640_ctrls *ctrls = &sensor->ctrls; 24313cca8ef5SHugues Fruchet bool auto_exp = (auto_exposure == V4L2_EXPOSURE_AUTO); 243219a81c14SSteve Longerbeam int ret = 0; 243319a81c14SSteve Longerbeam 243419a81c14SSteve Longerbeam if (ctrls->auto_exp->is_new) { 24353cca8ef5SHugues Fruchet ret = ov5640_set_autoexposure(sensor, auto_exp); 243619a81c14SSteve Longerbeam if (ret) 243719a81c14SSteve Longerbeam return ret; 243819a81c14SSteve Longerbeam } 243919a81c14SSteve Longerbeam 24403cca8ef5SHugues Fruchet if (!auto_exp && ctrls->exposure->is_new) { 244119a81c14SSteve Longerbeam u16 max_exp; 244219a81c14SSteve Longerbeam 244319a81c14SSteve Longerbeam ret = ov5640_read_reg16(sensor, OV5640_REG_AEC_PK_VTS, 244419a81c14SSteve Longerbeam &max_exp); 244519a81c14SSteve Longerbeam if (ret) 244619a81c14SSteve Longerbeam return ret; 244719a81c14SSteve Longerbeam ret = ov5640_get_vts(sensor); 244819a81c14SSteve Longerbeam if (ret < 0) 244919a81c14SSteve Longerbeam return ret; 245019a81c14SSteve Longerbeam max_exp += ret; 24516146fde3SHugues Fruchet ret = 0; 245219a81c14SSteve Longerbeam 245319a81c14SSteve Longerbeam if (ctrls->exposure->val < max_exp) 245419a81c14SSteve Longerbeam ret = ov5640_set_exposure(sensor, ctrls->exposure->val); 245519a81c14SSteve Longerbeam } 245619a81c14SSteve Longerbeam 245719a81c14SSteve Longerbeam return ret; 245819a81c14SSteve Longerbeam } 245919a81c14SSteve Longerbeam 24603cca8ef5SHugues Fruchet static int ov5640_set_ctrl_gain(struct ov5640_dev *sensor, bool auto_gain) 246119a81c14SSteve Longerbeam { 246219a81c14SSteve Longerbeam struct ov5640_ctrls *ctrls = &sensor->ctrls; 246319a81c14SSteve Longerbeam int ret = 0; 246419a81c14SSteve Longerbeam 246519a81c14SSteve Longerbeam if (ctrls->auto_gain->is_new) { 24663cca8ef5SHugues Fruchet ret = ov5640_set_autogain(sensor, auto_gain); 246719a81c14SSteve Longerbeam if (ret) 246819a81c14SSteve Longerbeam return ret; 246919a81c14SSteve Longerbeam } 247019a81c14SSteve Longerbeam 24713cca8ef5SHugues Fruchet if (!auto_gain && ctrls->gain->is_new) 24723cca8ef5SHugues Fruchet ret = ov5640_set_gain(sensor, ctrls->gain->val); 247319a81c14SSteve Longerbeam 247419a81c14SSteve Longerbeam return ret; 247519a81c14SSteve Longerbeam } 247619a81c14SSteve Longerbeam 24779f6d7bacSChen-Yu Tsai static const char * const test_pattern_menu[] = { 24789f6d7bacSChen-Yu Tsai "Disabled", 24799f6d7bacSChen-Yu Tsai "Color bars", 2480bddc5cdfSChen-Yu Tsai "Color bars w/ rolling bar", 2481bddc5cdfSChen-Yu Tsai "Color squares", 2482bddc5cdfSChen-Yu Tsai "Color squares w/ rolling bar", 24839f6d7bacSChen-Yu Tsai }; 24849f6d7bacSChen-Yu Tsai 2485a0c29afbSChen-Yu Tsai #define OV5640_TEST_ENABLE BIT(7) 2486a0c29afbSChen-Yu Tsai #define OV5640_TEST_ROLLING BIT(6) /* rolling horizontal bar */ 2487a0c29afbSChen-Yu Tsai #define OV5640_TEST_TRANSPARENT BIT(5) 2488a0c29afbSChen-Yu Tsai #define OV5640_TEST_SQUARE_BW BIT(4) /* black & white squares */ 2489a0c29afbSChen-Yu Tsai #define OV5640_TEST_BAR_STANDARD (0 << 2) 2490a0c29afbSChen-Yu Tsai #define OV5640_TEST_BAR_VERT_CHANGE_1 (1 << 2) 2491a0c29afbSChen-Yu Tsai #define OV5640_TEST_BAR_HOR_CHANGE (2 << 2) 2492a0c29afbSChen-Yu Tsai #define OV5640_TEST_BAR_VERT_CHANGE_2 (3 << 2) 2493a0c29afbSChen-Yu Tsai #define OV5640_TEST_BAR (0 << 0) 2494a0c29afbSChen-Yu Tsai #define OV5640_TEST_RANDOM (1 << 0) 2495a0c29afbSChen-Yu Tsai #define OV5640_TEST_SQUARE (2 << 0) 2496a0c29afbSChen-Yu Tsai #define OV5640_TEST_BLACK (3 << 0) 2497a0c29afbSChen-Yu Tsai 2498a0c29afbSChen-Yu Tsai static const u8 test_pattern_val[] = { 2499a0c29afbSChen-Yu Tsai 0, 25002aff1fc3SChen-Yu Tsai OV5640_TEST_ENABLE | OV5640_TEST_BAR_VERT_CHANGE_1 | 2501a0c29afbSChen-Yu Tsai OV5640_TEST_BAR, 2502bddc5cdfSChen-Yu Tsai OV5640_TEST_ENABLE | OV5640_TEST_ROLLING | 2503bddc5cdfSChen-Yu Tsai OV5640_TEST_BAR_VERT_CHANGE_1 | OV5640_TEST_BAR, 2504bddc5cdfSChen-Yu Tsai OV5640_TEST_ENABLE | OV5640_TEST_SQUARE, 2505bddc5cdfSChen-Yu Tsai OV5640_TEST_ENABLE | OV5640_TEST_ROLLING | OV5640_TEST_SQUARE, 2506a0c29afbSChen-Yu Tsai }; 2507a0c29afbSChen-Yu Tsai 250819a81c14SSteve Longerbeam static int ov5640_set_ctrl_test_pattern(struct ov5640_dev *sensor, int value) 250919a81c14SSteve Longerbeam { 2510a0c29afbSChen-Yu Tsai return ov5640_write_reg(sensor, OV5640_REG_PRE_ISP_TEST_SET1, 2511a0c29afbSChen-Yu Tsai test_pattern_val[value]); 251219a81c14SSteve Longerbeam } 251319a81c14SSteve Longerbeam 25141068fecaSMylène Josserand static int ov5640_set_ctrl_light_freq(struct ov5640_dev *sensor, int value) 25151068fecaSMylène Josserand { 25161068fecaSMylène Josserand int ret; 25171068fecaSMylène Josserand 25181068fecaSMylène Josserand ret = ov5640_mod_reg(sensor, OV5640_REG_HZ5060_CTRL01, BIT(7), 25191068fecaSMylène Josserand (value == V4L2_CID_POWER_LINE_FREQUENCY_AUTO) ? 25201068fecaSMylène Josserand 0 : BIT(7)); 25211068fecaSMylène Josserand if (ret) 25221068fecaSMylène Josserand return ret; 25231068fecaSMylène Josserand 25241068fecaSMylène Josserand return ov5640_mod_reg(sensor, OV5640_REG_HZ5060_CTRL00, BIT(2), 25251068fecaSMylène Josserand (value == V4L2_CID_POWER_LINE_FREQUENCY_50HZ) ? 25261068fecaSMylène Josserand BIT(2) : 0); 25271068fecaSMylène Josserand } 25281068fecaSMylène Josserand 2529ce85705aSHugues Fruchet static int ov5640_set_ctrl_hflip(struct ov5640_dev *sensor, int value) 2530ce85705aSHugues Fruchet { 2531ce85705aSHugues Fruchet /* 2532c3f3ba3eSHugues Fruchet * If sensor is mounted upside down, mirror logic is inversed. 2533c3f3ba3eSHugues Fruchet * 2534ce85705aSHugues Fruchet * Sensor is a BSI (Back Side Illuminated) one, 2535ce85705aSHugues Fruchet * so image captured is physically mirrored. 2536ce85705aSHugues Fruchet * This is why mirror logic is inversed in 2537ce85705aSHugues Fruchet * order to cancel this mirror effect. 2538ce85705aSHugues Fruchet */ 2539ce85705aSHugues Fruchet 2540ce85705aSHugues Fruchet /* 2541ce85705aSHugues Fruchet * TIMING TC REG21: 2542ce85705aSHugues Fruchet * - [2]: ISP mirror 2543ce85705aSHugues Fruchet * - [1]: Sensor mirror 2544ce85705aSHugues Fruchet */ 2545ce85705aSHugues Fruchet return ov5640_mod_reg(sensor, OV5640_REG_TIMING_TC_REG21, 2546ce85705aSHugues Fruchet BIT(2) | BIT(1), 2547c3f3ba3eSHugues Fruchet (!(value ^ sensor->upside_down)) ? 2548c3f3ba3eSHugues Fruchet (BIT(2) | BIT(1)) : 0); 2549ce85705aSHugues Fruchet } 2550ce85705aSHugues Fruchet 2551ce85705aSHugues Fruchet static int ov5640_set_ctrl_vflip(struct ov5640_dev *sensor, int value) 2552ce85705aSHugues Fruchet { 2553c3f3ba3eSHugues Fruchet /* If sensor is mounted upside down, flip logic is inversed */ 2554c3f3ba3eSHugues Fruchet 2555ce85705aSHugues Fruchet /* 2556ce85705aSHugues Fruchet * TIMING TC REG20: 2557ce85705aSHugues Fruchet * - [2]: ISP vflip 2558ce85705aSHugues Fruchet * - [1]: Sensor vflip 2559ce85705aSHugues Fruchet */ 2560ce85705aSHugues Fruchet return ov5640_mod_reg(sensor, OV5640_REG_TIMING_TC_REG20, 2561ce85705aSHugues Fruchet BIT(2) | BIT(1), 2562c3f3ba3eSHugues Fruchet (value ^ sensor->upside_down) ? 2563c3f3ba3eSHugues Fruchet (BIT(2) | BIT(1)) : 0); 2564ce85705aSHugues Fruchet } 2565ce85705aSHugues Fruchet 256619a81c14SSteve Longerbeam static int ov5640_g_volatile_ctrl(struct v4l2_ctrl *ctrl) 256719a81c14SSteve Longerbeam { 256819a81c14SSteve Longerbeam struct v4l2_subdev *sd = ctrl_to_sd(ctrl); 256919a81c14SSteve Longerbeam struct ov5640_dev *sensor = to_ov5640_dev(sd); 257019a81c14SSteve Longerbeam int val; 257119a81c14SSteve Longerbeam 257219a81c14SSteve Longerbeam /* v4l2_ctrl_lock() locks our own mutex */ 257319a81c14SSteve Longerbeam 257419a81c14SSteve Longerbeam switch (ctrl->id) { 257519a81c14SSteve Longerbeam case V4L2_CID_AUTOGAIN: 257619a81c14SSteve Longerbeam val = ov5640_get_gain(sensor); 257719a81c14SSteve Longerbeam if (val < 0) 257819a81c14SSteve Longerbeam return val; 257919a81c14SSteve Longerbeam sensor->ctrls.gain->val = val; 258019a81c14SSteve Longerbeam break; 258119a81c14SSteve Longerbeam case V4L2_CID_EXPOSURE_AUTO: 258219a81c14SSteve Longerbeam val = ov5640_get_exposure(sensor); 258319a81c14SSteve Longerbeam if (val < 0) 258419a81c14SSteve Longerbeam return val; 258519a81c14SSteve Longerbeam sensor->ctrls.exposure->val = val; 258619a81c14SSteve Longerbeam break; 258719a81c14SSteve Longerbeam } 258819a81c14SSteve Longerbeam 258919a81c14SSteve Longerbeam return 0; 259019a81c14SSteve Longerbeam } 259119a81c14SSteve Longerbeam 259219a81c14SSteve Longerbeam static int ov5640_s_ctrl(struct v4l2_ctrl *ctrl) 259319a81c14SSteve Longerbeam { 259419a81c14SSteve Longerbeam struct v4l2_subdev *sd = ctrl_to_sd(ctrl); 259519a81c14SSteve Longerbeam struct ov5640_dev *sensor = to_ov5640_dev(sd); 259619a81c14SSteve Longerbeam int ret; 259719a81c14SSteve Longerbeam 259819a81c14SSteve Longerbeam /* v4l2_ctrl_lock() locks our own mutex */ 259919a81c14SSteve Longerbeam 260019a81c14SSteve Longerbeam /* 260119a81c14SSteve Longerbeam * If the device is not powered up by the host driver do 260219a81c14SSteve Longerbeam * not apply any controls to H/W at this time. Instead 260319a81c14SSteve Longerbeam * the controls will be restored right after power-up. 260419a81c14SSteve Longerbeam */ 260519a81c14SSteve Longerbeam if (sensor->power_count == 0) 260619a81c14SSteve Longerbeam return 0; 260719a81c14SSteve Longerbeam 260819a81c14SSteve Longerbeam switch (ctrl->id) { 260919a81c14SSteve Longerbeam case V4L2_CID_AUTOGAIN: 261019a81c14SSteve Longerbeam ret = ov5640_set_ctrl_gain(sensor, ctrl->val); 261119a81c14SSteve Longerbeam break; 261219a81c14SSteve Longerbeam case V4L2_CID_EXPOSURE_AUTO: 261319a81c14SSteve Longerbeam ret = ov5640_set_ctrl_exposure(sensor, ctrl->val); 261419a81c14SSteve Longerbeam break; 261519a81c14SSteve Longerbeam case V4L2_CID_AUTO_WHITE_BALANCE: 261619a81c14SSteve Longerbeam ret = ov5640_set_ctrl_white_balance(sensor, ctrl->val); 261719a81c14SSteve Longerbeam break; 261819a81c14SSteve Longerbeam case V4L2_CID_HUE: 261919a81c14SSteve Longerbeam ret = ov5640_set_ctrl_hue(sensor, ctrl->val); 262019a81c14SSteve Longerbeam break; 262119a81c14SSteve Longerbeam case V4L2_CID_CONTRAST: 262219a81c14SSteve Longerbeam ret = ov5640_set_ctrl_contrast(sensor, ctrl->val); 262319a81c14SSteve Longerbeam break; 262419a81c14SSteve Longerbeam case V4L2_CID_SATURATION: 262519a81c14SSteve Longerbeam ret = ov5640_set_ctrl_saturation(sensor, ctrl->val); 262619a81c14SSteve Longerbeam break; 262719a81c14SSteve Longerbeam case V4L2_CID_TEST_PATTERN: 262819a81c14SSteve Longerbeam ret = ov5640_set_ctrl_test_pattern(sensor, ctrl->val); 262919a81c14SSteve Longerbeam break; 26301068fecaSMylène Josserand case V4L2_CID_POWER_LINE_FREQUENCY: 26311068fecaSMylène Josserand ret = ov5640_set_ctrl_light_freq(sensor, ctrl->val); 26321068fecaSMylène Josserand break; 2633ce85705aSHugues Fruchet case V4L2_CID_HFLIP: 2634ce85705aSHugues Fruchet ret = ov5640_set_ctrl_hflip(sensor, ctrl->val); 2635ce85705aSHugues Fruchet break; 2636ce85705aSHugues Fruchet case V4L2_CID_VFLIP: 2637ce85705aSHugues Fruchet ret = ov5640_set_ctrl_vflip(sensor, ctrl->val); 2638ce85705aSHugues Fruchet break; 263919a81c14SSteve Longerbeam default: 264019a81c14SSteve Longerbeam ret = -EINVAL; 264119a81c14SSteve Longerbeam break; 264219a81c14SSteve Longerbeam } 264319a81c14SSteve Longerbeam 264419a81c14SSteve Longerbeam return ret; 264519a81c14SSteve Longerbeam } 264619a81c14SSteve Longerbeam 264719a81c14SSteve Longerbeam static const struct v4l2_ctrl_ops ov5640_ctrl_ops = { 264819a81c14SSteve Longerbeam .g_volatile_ctrl = ov5640_g_volatile_ctrl, 264919a81c14SSteve Longerbeam .s_ctrl = ov5640_s_ctrl, 265019a81c14SSteve Longerbeam }; 265119a81c14SSteve Longerbeam 265219a81c14SSteve Longerbeam static int ov5640_init_controls(struct ov5640_dev *sensor) 265319a81c14SSteve Longerbeam { 265419a81c14SSteve Longerbeam const struct v4l2_ctrl_ops *ops = &ov5640_ctrl_ops; 265519a81c14SSteve Longerbeam struct ov5640_ctrls *ctrls = &sensor->ctrls; 265619a81c14SSteve Longerbeam struct v4l2_ctrl_handler *hdl = &ctrls->handler; 265719a81c14SSteve Longerbeam int ret; 265819a81c14SSteve Longerbeam 265919a81c14SSteve Longerbeam v4l2_ctrl_handler_init(hdl, 32); 266019a81c14SSteve Longerbeam 266119a81c14SSteve Longerbeam /* we can use our own mutex for the ctrl lock */ 266219a81c14SSteve Longerbeam hdl->lock = &sensor->lock; 266319a81c14SSteve Longerbeam 266419a81c14SSteve Longerbeam /* Auto/manual white balance */ 266519a81c14SSteve Longerbeam ctrls->auto_wb = v4l2_ctrl_new_std(hdl, ops, 266619a81c14SSteve Longerbeam V4L2_CID_AUTO_WHITE_BALANCE, 266719a81c14SSteve Longerbeam 0, 1, 1, 1); 266819a81c14SSteve Longerbeam ctrls->blue_balance = v4l2_ctrl_new_std(hdl, ops, V4L2_CID_BLUE_BALANCE, 266919a81c14SSteve Longerbeam 0, 4095, 1, 0); 267019a81c14SSteve Longerbeam ctrls->red_balance = v4l2_ctrl_new_std(hdl, ops, V4L2_CID_RED_BALANCE, 267119a81c14SSteve Longerbeam 0, 4095, 1, 0); 267219a81c14SSteve Longerbeam /* Auto/manual exposure */ 267319a81c14SSteve Longerbeam ctrls->auto_exp = v4l2_ctrl_new_std_menu(hdl, ops, 267419a81c14SSteve Longerbeam V4L2_CID_EXPOSURE_AUTO, 267519a81c14SSteve Longerbeam V4L2_EXPOSURE_MANUAL, 0, 267619a81c14SSteve Longerbeam V4L2_EXPOSURE_AUTO); 267719a81c14SSteve Longerbeam ctrls->exposure = v4l2_ctrl_new_std(hdl, ops, V4L2_CID_EXPOSURE, 267819a81c14SSteve Longerbeam 0, 65535, 1, 0); 267919a81c14SSteve Longerbeam /* Auto/manual gain */ 268019a81c14SSteve Longerbeam ctrls->auto_gain = v4l2_ctrl_new_std(hdl, ops, V4L2_CID_AUTOGAIN, 268119a81c14SSteve Longerbeam 0, 1, 1, 1); 268219a81c14SSteve Longerbeam ctrls->gain = v4l2_ctrl_new_std(hdl, ops, V4L2_CID_GAIN, 268319a81c14SSteve Longerbeam 0, 1023, 1, 0); 268419a81c14SSteve Longerbeam 268519a81c14SSteve Longerbeam ctrls->saturation = v4l2_ctrl_new_std(hdl, ops, V4L2_CID_SATURATION, 268619a81c14SSteve Longerbeam 0, 255, 1, 64); 268719a81c14SSteve Longerbeam ctrls->hue = v4l2_ctrl_new_std(hdl, ops, V4L2_CID_HUE, 268819a81c14SSteve Longerbeam 0, 359, 1, 0); 268919a81c14SSteve Longerbeam ctrls->contrast = v4l2_ctrl_new_std(hdl, ops, V4L2_CID_CONTRAST, 269019a81c14SSteve Longerbeam 0, 255, 1, 0); 269119a81c14SSteve Longerbeam ctrls->test_pattern = 269219a81c14SSteve Longerbeam v4l2_ctrl_new_std_menu_items(hdl, ops, V4L2_CID_TEST_PATTERN, 269319a81c14SSteve Longerbeam ARRAY_SIZE(test_pattern_menu) - 1, 269419a81c14SSteve Longerbeam 0, 0, test_pattern_menu); 2695ce85705aSHugues Fruchet ctrls->hflip = v4l2_ctrl_new_std(hdl, ops, V4L2_CID_HFLIP, 2696ce85705aSHugues Fruchet 0, 1, 1, 0); 2697ce85705aSHugues Fruchet ctrls->vflip = v4l2_ctrl_new_std(hdl, ops, V4L2_CID_VFLIP, 2698ce85705aSHugues Fruchet 0, 1, 1, 0); 269919a81c14SSteve Longerbeam 27001068fecaSMylène Josserand ctrls->light_freq = 27011068fecaSMylène Josserand v4l2_ctrl_new_std_menu(hdl, ops, 27021068fecaSMylène Josserand V4L2_CID_POWER_LINE_FREQUENCY, 27031068fecaSMylène Josserand V4L2_CID_POWER_LINE_FREQUENCY_AUTO, 0, 27041068fecaSMylène Josserand V4L2_CID_POWER_LINE_FREQUENCY_50HZ); 27051068fecaSMylène Josserand 270619a81c14SSteve Longerbeam if (hdl->error) { 270719a81c14SSteve Longerbeam ret = hdl->error; 270819a81c14SSteve Longerbeam goto free_ctrls; 270919a81c14SSteve Longerbeam } 271019a81c14SSteve Longerbeam 271119a81c14SSteve Longerbeam ctrls->gain->flags |= V4L2_CTRL_FLAG_VOLATILE; 271219a81c14SSteve Longerbeam ctrls->exposure->flags |= V4L2_CTRL_FLAG_VOLATILE; 271319a81c14SSteve Longerbeam 271419a81c14SSteve Longerbeam v4l2_ctrl_auto_cluster(3, &ctrls->auto_wb, 0, false); 271519a81c14SSteve Longerbeam v4l2_ctrl_auto_cluster(2, &ctrls->auto_gain, 0, true); 271619a81c14SSteve Longerbeam v4l2_ctrl_auto_cluster(2, &ctrls->auto_exp, 1, true); 271719a81c14SSteve Longerbeam 271819a81c14SSteve Longerbeam sensor->sd.ctrl_handler = hdl; 271919a81c14SSteve Longerbeam return 0; 272019a81c14SSteve Longerbeam 272119a81c14SSteve Longerbeam free_ctrls: 272219a81c14SSteve Longerbeam v4l2_ctrl_handler_free(hdl); 272319a81c14SSteve Longerbeam return ret; 272419a81c14SSteve Longerbeam } 272519a81c14SSteve Longerbeam 272619a81c14SSteve Longerbeam static int ov5640_enum_frame_size(struct v4l2_subdev *sd, 272719a81c14SSteve Longerbeam struct v4l2_subdev_pad_config *cfg, 272819a81c14SSteve Longerbeam struct v4l2_subdev_frame_size_enum *fse) 272919a81c14SSteve Longerbeam { 273019a81c14SSteve Longerbeam if (fse->pad != 0) 273119a81c14SSteve Longerbeam return -EINVAL; 273219a81c14SSteve Longerbeam if (fse->index >= OV5640_NUM_MODES) 273319a81c14SSteve Longerbeam return -EINVAL; 273419a81c14SSteve Longerbeam 273541d8d7f5SHugues Fruchet fse->min_width = 2736086c25f8SMaxime Ripard ov5640_mode_data[fse->index].hact; 273741d8d7f5SHugues Fruchet fse->max_width = fse->min_width; 273841d8d7f5SHugues Fruchet fse->min_height = 2739086c25f8SMaxime Ripard ov5640_mode_data[fse->index].vact; 274041d8d7f5SHugues Fruchet fse->max_height = fse->min_height; 274119a81c14SSteve Longerbeam 274219a81c14SSteve Longerbeam return 0; 274319a81c14SSteve Longerbeam } 274419a81c14SSteve Longerbeam 274519a81c14SSteve Longerbeam static int ov5640_enum_frame_interval( 274619a81c14SSteve Longerbeam struct v4l2_subdev *sd, 274719a81c14SSteve Longerbeam struct v4l2_subdev_pad_config *cfg, 274819a81c14SSteve Longerbeam struct v4l2_subdev_frame_interval_enum *fie) 274919a81c14SSteve Longerbeam { 275019a81c14SSteve Longerbeam struct ov5640_dev *sensor = to_ov5640_dev(sd); 275119a81c14SSteve Longerbeam struct v4l2_fract tpf; 275219a81c14SSteve Longerbeam int ret; 275319a81c14SSteve Longerbeam 275419a81c14SSteve Longerbeam if (fie->pad != 0) 275519a81c14SSteve Longerbeam return -EINVAL; 275619a81c14SSteve Longerbeam if (fie->index >= OV5640_NUM_FRAMERATES) 275719a81c14SSteve Longerbeam return -EINVAL; 275819a81c14SSteve Longerbeam 275919a81c14SSteve Longerbeam tpf.numerator = 1; 276019a81c14SSteve Longerbeam tpf.denominator = ov5640_framerates[fie->index]; 276119a81c14SSteve Longerbeam 276219a81c14SSteve Longerbeam ret = ov5640_try_frame_interval(sensor, &tpf, 276319a81c14SSteve Longerbeam fie->width, fie->height); 276419a81c14SSteve Longerbeam if (ret < 0) 276519a81c14SSteve Longerbeam return -EINVAL; 276619a81c14SSteve Longerbeam 276719a81c14SSteve Longerbeam fie->interval = tpf; 276819a81c14SSteve Longerbeam return 0; 276919a81c14SSteve Longerbeam } 277019a81c14SSteve Longerbeam 277119a81c14SSteve Longerbeam static int ov5640_g_frame_interval(struct v4l2_subdev *sd, 277219a81c14SSteve Longerbeam struct v4l2_subdev_frame_interval *fi) 277319a81c14SSteve Longerbeam { 277419a81c14SSteve Longerbeam struct ov5640_dev *sensor = to_ov5640_dev(sd); 277519a81c14SSteve Longerbeam 277619a81c14SSteve Longerbeam mutex_lock(&sensor->lock); 277719a81c14SSteve Longerbeam fi->interval = sensor->frame_interval; 277819a81c14SSteve Longerbeam mutex_unlock(&sensor->lock); 277919a81c14SSteve Longerbeam 278019a81c14SSteve Longerbeam return 0; 278119a81c14SSteve Longerbeam } 278219a81c14SSteve Longerbeam 278319a81c14SSteve Longerbeam static int ov5640_s_frame_interval(struct v4l2_subdev *sd, 278419a81c14SSteve Longerbeam struct v4l2_subdev_frame_interval *fi) 278519a81c14SSteve Longerbeam { 278619a81c14SSteve Longerbeam struct ov5640_dev *sensor = to_ov5640_dev(sd); 278719a81c14SSteve Longerbeam const struct ov5640_mode_info *mode; 278819a81c14SSteve Longerbeam int frame_rate, ret = 0; 278919a81c14SSteve Longerbeam 279019a81c14SSteve Longerbeam if (fi->pad != 0) 279119a81c14SSteve Longerbeam return -EINVAL; 279219a81c14SSteve Longerbeam 279319a81c14SSteve Longerbeam mutex_lock(&sensor->lock); 279419a81c14SSteve Longerbeam 279519a81c14SSteve Longerbeam if (sensor->streaming) { 279619a81c14SSteve Longerbeam ret = -EBUSY; 279719a81c14SSteve Longerbeam goto out; 279819a81c14SSteve Longerbeam } 279919a81c14SSteve Longerbeam 280019a81c14SSteve Longerbeam mode = sensor->current_mode; 280119a81c14SSteve Longerbeam 280219a81c14SSteve Longerbeam frame_rate = ov5640_try_frame_interval(sensor, &fi->interval, 2803dba13a0bSMaxime Ripard mode->hact, mode->vact); 2804e823fb16SMaxime Ripard if (frame_rate < 0) { 2805e823fb16SMaxime Ripard /* Always return a valid frame interval value */ 2806e823fb16SMaxime Ripard fi->interval = sensor->frame_interval; 2807e823fb16SMaxime Ripard goto out; 2808e823fb16SMaxime Ripard } 280919a81c14SSteve Longerbeam 28103c4a7372SHugues Fruchet mode = ov5640_find_mode(sensor, frame_rate, mode->hact, 2811dba13a0bSMaxime Ripard mode->vact, true); 28123c4a7372SHugues Fruchet if (!mode) { 28133c4a7372SHugues Fruchet ret = -EINVAL; 28143c4a7372SHugues Fruchet goto out; 28153c4a7372SHugues Fruchet } 28163c4a7372SHugues Fruchet 28170929983eSHugues Fruchet if (mode != sensor->current_mode || 28180929983eSHugues Fruchet frame_rate != sensor->current_fr) { 28190929983eSHugues Fruchet sensor->current_fr = frame_rate; 28200929983eSHugues Fruchet sensor->frame_interval = fi->interval; 28213c4a7372SHugues Fruchet sensor->current_mode = mode; 282219a81c14SSteve Longerbeam sensor->pending_mode_change = true; 28236949d864SHugues Fruchet } 282419a81c14SSteve Longerbeam out: 282519a81c14SSteve Longerbeam mutex_unlock(&sensor->lock); 282619a81c14SSteve Longerbeam return ret; 282719a81c14SSteve Longerbeam } 282819a81c14SSteve Longerbeam 282919a81c14SSteve Longerbeam static int ov5640_enum_mbus_code(struct v4l2_subdev *sd, 283019a81c14SSteve Longerbeam struct v4l2_subdev_pad_config *cfg, 283119a81c14SSteve Longerbeam struct v4l2_subdev_mbus_code_enum *code) 283219a81c14SSteve Longerbeam { 283319a81c14SSteve Longerbeam if (code->pad != 0) 283419a81c14SSteve Longerbeam return -EINVAL; 2835e3ee691dSHugues Fruchet if (code->index >= ARRAY_SIZE(ov5640_formats)) 283619a81c14SSteve Longerbeam return -EINVAL; 283719a81c14SSteve Longerbeam 2838e3ee691dSHugues Fruchet code->code = ov5640_formats[code->index].code; 283919a81c14SSteve Longerbeam return 0; 284019a81c14SSteve Longerbeam } 284119a81c14SSteve Longerbeam 284219a81c14SSteve Longerbeam static int ov5640_s_stream(struct v4l2_subdev *sd, int enable) 284319a81c14SSteve Longerbeam { 284419a81c14SSteve Longerbeam struct ov5640_dev *sensor = to_ov5640_dev(sd); 284519a81c14SSteve Longerbeam int ret = 0; 284619a81c14SSteve Longerbeam 284719a81c14SSteve Longerbeam mutex_lock(&sensor->lock); 284819a81c14SSteve Longerbeam 284919a81c14SSteve Longerbeam if (sensor->streaming == !enable) { 285019a81c14SSteve Longerbeam if (enable && sensor->pending_mode_change) { 2851985cdcb0SHugues Fruchet ret = ov5640_set_mode(sensor); 285219a81c14SSteve Longerbeam if (ret) 285319a81c14SSteve Longerbeam goto out; 2854fb98e29fSHugues Fruchet } 2855e3ee691dSHugues Fruchet 2856fb98e29fSHugues Fruchet if (enable && sensor->pending_fmt_change) { 2857e3ee691dSHugues Fruchet ret = ov5640_set_framefmt(sensor, &sensor->fmt); 2858e3ee691dSHugues Fruchet if (ret) 2859e3ee691dSHugues Fruchet goto out; 2860fb98e29fSHugues Fruchet sensor->pending_fmt_change = false; 286119a81c14SSteve Longerbeam } 286219a81c14SSteve Longerbeam 28632d95e7edSSakari Ailus if (sensor->ep.bus_type == V4L2_MBUS_CSI2_DPHY) 2864f22996dbSHugues Fruchet ret = ov5640_set_stream_mipi(sensor, enable); 2865f22996dbSHugues Fruchet else 2866f22996dbSHugues Fruchet ret = ov5640_set_stream_dvp(sensor, enable); 2867f22996dbSHugues Fruchet 286819a81c14SSteve Longerbeam if (!ret) 286919a81c14SSteve Longerbeam sensor->streaming = enable; 287019a81c14SSteve Longerbeam } 287119a81c14SSteve Longerbeam out: 287219a81c14SSteve Longerbeam mutex_unlock(&sensor->lock); 287319a81c14SSteve Longerbeam return ret; 287419a81c14SSteve Longerbeam } 287519a81c14SSteve Longerbeam 287619a81c14SSteve Longerbeam static const struct v4l2_subdev_core_ops ov5640_core_ops = { 287719a81c14SSteve Longerbeam .s_power = ov5640_s_power, 28782d18fbc5SAkinobu Mita .log_status = v4l2_ctrl_subdev_log_status, 28792d18fbc5SAkinobu Mita .subscribe_event = v4l2_ctrl_subdev_subscribe_event, 28802d18fbc5SAkinobu Mita .unsubscribe_event = v4l2_event_subdev_unsubscribe, 288119a81c14SSteve Longerbeam }; 288219a81c14SSteve Longerbeam 288319a81c14SSteve Longerbeam static const struct v4l2_subdev_video_ops ov5640_video_ops = { 288419a81c14SSteve Longerbeam .g_frame_interval = ov5640_g_frame_interval, 288519a81c14SSteve Longerbeam .s_frame_interval = ov5640_s_frame_interval, 288619a81c14SSteve Longerbeam .s_stream = ov5640_s_stream, 288719a81c14SSteve Longerbeam }; 288819a81c14SSteve Longerbeam 288919a81c14SSteve Longerbeam static const struct v4l2_subdev_pad_ops ov5640_pad_ops = { 289019a81c14SSteve Longerbeam .enum_mbus_code = ov5640_enum_mbus_code, 289119a81c14SSteve Longerbeam .get_fmt = ov5640_get_fmt, 289219a81c14SSteve Longerbeam .set_fmt = ov5640_set_fmt, 289319a81c14SSteve Longerbeam .enum_frame_size = ov5640_enum_frame_size, 289419a81c14SSteve Longerbeam .enum_frame_interval = ov5640_enum_frame_interval, 289519a81c14SSteve Longerbeam }; 289619a81c14SSteve Longerbeam 289719a81c14SSteve Longerbeam static const struct v4l2_subdev_ops ov5640_subdev_ops = { 289819a81c14SSteve Longerbeam .core = &ov5640_core_ops, 289919a81c14SSteve Longerbeam .video = &ov5640_video_ops, 290019a81c14SSteve Longerbeam .pad = &ov5640_pad_ops, 290119a81c14SSteve Longerbeam }; 290219a81c14SSteve Longerbeam 290319a81c14SSteve Longerbeam static int ov5640_get_regulators(struct ov5640_dev *sensor) 290419a81c14SSteve Longerbeam { 290519a81c14SSteve Longerbeam int i; 290619a81c14SSteve Longerbeam 290719a81c14SSteve Longerbeam for (i = 0; i < OV5640_NUM_SUPPLIES; i++) 290819a81c14SSteve Longerbeam sensor->supplies[i].supply = ov5640_supply_name[i]; 290919a81c14SSteve Longerbeam 291019a81c14SSteve Longerbeam return devm_regulator_bulk_get(&sensor->i2c_client->dev, 291119a81c14SSteve Longerbeam OV5640_NUM_SUPPLIES, 291219a81c14SSteve Longerbeam sensor->supplies); 291319a81c14SSteve Longerbeam } 291419a81c14SSteve Longerbeam 29150f7acb52SHugues Fruchet static int ov5640_check_chip_id(struct ov5640_dev *sensor) 29160f7acb52SHugues Fruchet { 29170f7acb52SHugues Fruchet struct i2c_client *client = sensor->i2c_client; 29180f7acb52SHugues Fruchet int ret = 0; 29190f7acb52SHugues Fruchet u16 chip_id; 29200f7acb52SHugues Fruchet 29210f7acb52SHugues Fruchet ret = ov5640_set_power_on(sensor); 29220f7acb52SHugues Fruchet if (ret) 29230f7acb52SHugues Fruchet return ret; 29240f7acb52SHugues Fruchet 29250f7acb52SHugues Fruchet ret = ov5640_read_reg16(sensor, OV5640_REG_CHIP_ID, &chip_id); 29260f7acb52SHugues Fruchet if (ret) { 29270f7acb52SHugues Fruchet dev_err(&client->dev, "%s: failed to read chip identifier\n", 29280f7acb52SHugues Fruchet __func__); 29290f7acb52SHugues Fruchet goto power_off; 29300f7acb52SHugues Fruchet } 29310f7acb52SHugues Fruchet 29320f7acb52SHugues Fruchet if (chip_id != 0x5640) { 29330f7acb52SHugues Fruchet dev_err(&client->dev, "%s: wrong chip identifier, expected 0x5640, got 0x%x\n", 29340f7acb52SHugues Fruchet __func__, chip_id); 29350f7acb52SHugues Fruchet ret = -ENXIO; 29360f7acb52SHugues Fruchet } 29370f7acb52SHugues Fruchet 29380f7acb52SHugues Fruchet power_off: 29390f7acb52SHugues Fruchet ov5640_set_power_off(sensor); 29400f7acb52SHugues Fruchet return ret; 29410f7acb52SHugues Fruchet } 29420f7acb52SHugues Fruchet 294319a81c14SSteve Longerbeam static int ov5640_probe(struct i2c_client *client, 294419a81c14SSteve Longerbeam const struct i2c_device_id *id) 294519a81c14SSteve Longerbeam { 294619a81c14SSteve Longerbeam struct device *dev = &client->dev; 294719a81c14SSteve Longerbeam struct fwnode_handle *endpoint; 294819a81c14SSteve Longerbeam struct ov5640_dev *sensor; 2949e6441fdeSHugues Fruchet struct v4l2_mbus_framefmt *fmt; 2950c3f3ba3eSHugues Fruchet u32 rotation; 295119a81c14SSteve Longerbeam int ret; 295219a81c14SSteve Longerbeam 295319a81c14SSteve Longerbeam sensor = devm_kzalloc(dev, sizeof(*sensor), GFP_KERNEL); 295419a81c14SSteve Longerbeam if (!sensor) 295519a81c14SSteve Longerbeam return -ENOMEM; 295619a81c14SSteve Longerbeam 295719a81c14SSteve Longerbeam sensor->i2c_client = client; 2958fb98e29fSHugues Fruchet 2959fb98e29fSHugues Fruchet /* 2960fb98e29fSHugues Fruchet * default init sequence initialize sensor to 2961fb98e29fSHugues Fruchet * YUV422 UYVY VGA@30fps 2962fb98e29fSHugues Fruchet */ 2963e6441fdeSHugues Fruchet fmt = &sensor->fmt; 2964fb98e29fSHugues Fruchet fmt->code = MEDIA_BUS_FMT_UYVY8_2X8; 2965fb98e29fSHugues Fruchet fmt->colorspace = V4L2_COLORSPACE_SRGB; 2966e6441fdeSHugues Fruchet fmt->ycbcr_enc = V4L2_MAP_YCBCR_ENC_DEFAULT(fmt->colorspace); 2967e6441fdeSHugues Fruchet fmt->quantization = V4L2_QUANTIZATION_FULL_RANGE; 2968e6441fdeSHugues Fruchet fmt->xfer_func = V4L2_MAP_XFER_FUNC_DEFAULT(fmt->colorspace); 2969e6441fdeSHugues Fruchet fmt->width = 640; 2970e6441fdeSHugues Fruchet fmt->height = 480; 2971e6441fdeSHugues Fruchet fmt->field = V4L2_FIELD_NONE; 297219a81c14SSteve Longerbeam sensor->frame_interval.numerator = 1; 297319a81c14SSteve Longerbeam sensor->frame_interval.denominator = ov5640_framerates[OV5640_30_FPS]; 297419a81c14SSteve Longerbeam sensor->current_fr = OV5640_30_FPS; 297519a81c14SSteve Longerbeam sensor->current_mode = 2976086c25f8SMaxime Ripard &ov5640_mode_data[OV5640_MODE_VGA_640_480]; 2977985cdcb0SHugues Fruchet sensor->last_mode = sensor->current_mode; 297819a81c14SSteve Longerbeam 297919a81c14SSteve Longerbeam sensor->ae_target = 52; 298019a81c14SSteve Longerbeam 2981c3f3ba3eSHugues Fruchet /* optional indication of physical rotation of sensor */ 2982c3f3ba3eSHugues Fruchet ret = fwnode_property_read_u32(dev_fwnode(&client->dev), "rotation", 2983c3f3ba3eSHugues Fruchet &rotation); 2984c3f3ba3eSHugues Fruchet if (!ret) { 2985c3f3ba3eSHugues Fruchet switch (rotation) { 2986c3f3ba3eSHugues Fruchet case 180: 2987c3f3ba3eSHugues Fruchet sensor->upside_down = true; 2988c3f3ba3eSHugues Fruchet /* fall through */ 2989c3f3ba3eSHugues Fruchet case 0: 2990c3f3ba3eSHugues Fruchet break; 2991c3f3ba3eSHugues Fruchet default: 2992c3f3ba3eSHugues Fruchet dev_warn(dev, "%u degrees rotation is not supported, ignoring...\n", 2993c3f3ba3eSHugues Fruchet rotation); 2994c3f3ba3eSHugues Fruchet } 2995c3f3ba3eSHugues Fruchet } 2996c3f3ba3eSHugues Fruchet 2997ce96bcf5SSakari Ailus endpoint = fwnode_graph_get_next_endpoint(dev_fwnode(&client->dev), 2998ce96bcf5SSakari Ailus NULL); 299919a81c14SSteve Longerbeam if (!endpoint) { 300019a81c14SSteve Longerbeam dev_err(dev, "endpoint node not found\n"); 300119a81c14SSteve Longerbeam return -EINVAL; 300219a81c14SSteve Longerbeam } 300319a81c14SSteve Longerbeam 300419a81c14SSteve Longerbeam ret = v4l2_fwnode_endpoint_parse(endpoint, &sensor->ep); 300519a81c14SSteve Longerbeam fwnode_handle_put(endpoint); 300619a81c14SSteve Longerbeam if (ret) { 300719a81c14SSteve Longerbeam dev_err(dev, "Could not parse endpoint\n"); 300819a81c14SSteve Longerbeam return ret; 300919a81c14SSteve Longerbeam } 301019a81c14SSteve Longerbeam 301119a81c14SSteve Longerbeam /* get system clock (xclk) */ 301219a81c14SSteve Longerbeam sensor->xclk = devm_clk_get(dev, "xclk"); 301319a81c14SSteve Longerbeam if (IS_ERR(sensor->xclk)) { 301419a81c14SSteve Longerbeam dev_err(dev, "failed to get xclk\n"); 301519a81c14SSteve Longerbeam return PTR_ERR(sensor->xclk); 301619a81c14SSteve Longerbeam } 301719a81c14SSteve Longerbeam 301819a81c14SSteve Longerbeam sensor->xclk_freq = clk_get_rate(sensor->xclk); 301919a81c14SSteve Longerbeam if (sensor->xclk_freq < OV5640_XCLK_MIN || 302019a81c14SSteve Longerbeam sensor->xclk_freq > OV5640_XCLK_MAX) { 302119a81c14SSteve Longerbeam dev_err(dev, "xclk frequency out of range: %d Hz\n", 302219a81c14SSteve Longerbeam sensor->xclk_freq); 302319a81c14SSteve Longerbeam return -EINVAL; 302419a81c14SSteve Longerbeam } 302519a81c14SSteve Longerbeam 302619a81c14SSteve Longerbeam /* request optional power down pin */ 302719a81c14SSteve Longerbeam sensor->pwdn_gpio = devm_gpiod_get_optional(dev, "powerdown", 302819a81c14SSteve Longerbeam GPIOD_OUT_HIGH); 302919a81c14SSteve Longerbeam /* request optional reset pin */ 303019a81c14SSteve Longerbeam sensor->reset_gpio = devm_gpiod_get_optional(dev, "reset", 303119a81c14SSteve Longerbeam GPIOD_OUT_HIGH); 303219a81c14SSteve Longerbeam 303319a81c14SSteve Longerbeam v4l2_i2c_subdev_init(&sensor->sd, client, &ov5640_subdev_ops); 303419a81c14SSteve Longerbeam 30352d18fbc5SAkinobu Mita sensor->sd.flags |= V4L2_SUBDEV_FL_HAS_DEVNODE | 30362d18fbc5SAkinobu Mita V4L2_SUBDEV_FL_HAS_EVENTS; 303719a81c14SSteve Longerbeam sensor->pad.flags = MEDIA_PAD_FL_SOURCE; 303819a81c14SSteve Longerbeam sensor->sd.entity.function = MEDIA_ENT_F_CAM_SENSOR; 303919a81c14SSteve Longerbeam ret = media_entity_pads_init(&sensor->sd.entity, 1, &sensor->pad); 304019a81c14SSteve Longerbeam if (ret) 304119a81c14SSteve Longerbeam return ret; 304219a81c14SSteve Longerbeam 304319a81c14SSteve Longerbeam ret = ov5640_get_regulators(sensor); 304419a81c14SSteve Longerbeam if (ret) 304519a81c14SSteve Longerbeam return ret; 304619a81c14SSteve Longerbeam 304719a81c14SSteve Longerbeam mutex_init(&sensor->lock); 304819a81c14SSteve Longerbeam 30490f7acb52SHugues Fruchet ret = ov5640_check_chip_id(sensor); 30500f7acb52SHugues Fruchet if (ret) 30510f7acb52SHugues Fruchet goto entity_cleanup; 30520f7acb52SHugues Fruchet 305319a81c14SSteve Longerbeam ret = ov5640_init_controls(sensor); 305419a81c14SSteve Longerbeam if (ret) 305519a81c14SSteve Longerbeam goto entity_cleanup; 305619a81c14SSteve Longerbeam 305719a81c14SSteve Longerbeam ret = v4l2_async_register_subdev(&sensor->sd); 305819a81c14SSteve Longerbeam if (ret) 305919a81c14SSteve Longerbeam goto free_ctrls; 306019a81c14SSteve Longerbeam 306119a81c14SSteve Longerbeam return 0; 306219a81c14SSteve Longerbeam 306319a81c14SSteve Longerbeam free_ctrls: 306419a81c14SSteve Longerbeam v4l2_ctrl_handler_free(&sensor->ctrls.handler); 306519a81c14SSteve Longerbeam entity_cleanup: 306619a81c14SSteve Longerbeam mutex_destroy(&sensor->lock); 306719a81c14SSteve Longerbeam media_entity_cleanup(&sensor->sd.entity); 306819a81c14SSteve Longerbeam return ret; 306919a81c14SSteve Longerbeam } 307019a81c14SSteve Longerbeam 307119a81c14SSteve Longerbeam static int ov5640_remove(struct i2c_client *client) 307219a81c14SSteve Longerbeam { 307319a81c14SSteve Longerbeam struct v4l2_subdev *sd = i2c_get_clientdata(client); 307419a81c14SSteve Longerbeam struct ov5640_dev *sensor = to_ov5640_dev(sd); 307519a81c14SSteve Longerbeam 307619a81c14SSteve Longerbeam v4l2_async_unregister_subdev(&sensor->sd); 307719a81c14SSteve Longerbeam mutex_destroy(&sensor->lock); 307819a81c14SSteve Longerbeam media_entity_cleanup(&sensor->sd.entity); 307919a81c14SSteve Longerbeam v4l2_ctrl_handler_free(&sensor->ctrls.handler); 308019a81c14SSteve Longerbeam 308119a81c14SSteve Longerbeam return 0; 308219a81c14SSteve Longerbeam } 308319a81c14SSteve Longerbeam 308419a81c14SSteve Longerbeam static const struct i2c_device_id ov5640_id[] = { 308519a81c14SSteve Longerbeam {"ov5640", 0}, 308619a81c14SSteve Longerbeam {}, 308719a81c14SSteve Longerbeam }; 308819a81c14SSteve Longerbeam MODULE_DEVICE_TABLE(i2c, ov5640_id); 308919a81c14SSteve Longerbeam 309019a81c14SSteve Longerbeam static const struct of_device_id ov5640_dt_ids[] = { 309119a81c14SSteve Longerbeam { .compatible = "ovti,ov5640" }, 309219a81c14SSteve Longerbeam { /* sentinel */ } 309319a81c14SSteve Longerbeam }; 309419a81c14SSteve Longerbeam MODULE_DEVICE_TABLE(of, ov5640_dt_ids); 309519a81c14SSteve Longerbeam 309619a81c14SSteve Longerbeam static struct i2c_driver ov5640_i2c_driver = { 309719a81c14SSteve Longerbeam .driver = { 309819a81c14SSteve Longerbeam .name = "ov5640", 309919a81c14SSteve Longerbeam .of_match_table = ov5640_dt_ids, 310019a81c14SSteve Longerbeam }, 310119a81c14SSteve Longerbeam .id_table = ov5640_id, 310219a81c14SSteve Longerbeam .probe = ov5640_probe, 310319a81c14SSteve Longerbeam .remove = ov5640_remove, 310419a81c14SSteve Longerbeam }; 310519a81c14SSteve Longerbeam 310619a81c14SSteve Longerbeam module_i2c_driver(ov5640_i2c_driver); 310719a81c14SSteve Longerbeam 310819a81c14SSteve Longerbeam MODULE_DESCRIPTION("OV5640 MIPI Camera Subdev Driver"); 310919a81c14SSteve Longerbeam MODULE_LICENSE("GPL"); 3110