12874c5fdSThomas Gleixner // SPDX-License-Identifier: GPL-2.0-or-later 219a81c14SSteve Longerbeam /* 319a81c14SSteve Longerbeam * Copyright (C) 2011-2013 Freescale Semiconductor, Inc. All Rights Reserved. 419a81c14SSteve Longerbeam * Copyright (C) 2014-2017 Mentor Graphics Inc. 519a81c14SSteve Longerbeam */ 619a81c14SSteve Longerbeam 719a81c14SSteve Longerbeam #include <linux/clk.h> 819a81c14SSteve Longerbeam #include <linux/clk-provider.h> 919a81c14SSteve Longerbeam #include <linux/clkdev.h> 1019a81c14SSteve Longerbeam #include <linux/ctype.h> 1119a81c14SSteve Longerbeam #include <linux/delay.h> 1219a81c14SSteve Longerbeam #include <linux/device.h> 1341d8d7f5SHugues Fruchet #include <linux/gpio/consumer.h> 1419a81c14SSteve Longerbeam #include <linux/i2c.h> 1519a81c14SSteve Longerbeam #include <linux/init.h> 1619a81c14SSteve Longerbeam #include <linux/module.h> 1719a81c14SSteve Longerbeam #include <linux/of_device.h> 1841d8d7f5SHugues Fruchet #include <linux/regulator/consumer.h> 1919a81c14SSteve Longerbeam #include <linux/slab.h> 2019a81c14SSteve Longerbeam #include <linux/types.h> 2119a81c14SSteve Longerbeam #include <media/v4l2-async.h> 2219a81c14SSteve Longerbeam #include <media/v4l2-ctrls.h> 2319a81c14SSteve Longerbeam #include <media/v4l2-device.h> 242d18fbc5SAkinobu Mita #include <media/v4l2-event.h> 2519a81c14SSteve Longerbeam #include <media/v4l2-fwnode.h> 2619a81c14SSteve Longerbeam #include <media/v4l2-subdev.h> 2719a81c14SSteve Longerbeam 2819a81c14SSteve Longerbeam /* min/typical/max system clock (xclk) frequencies */ 2919a81c14SSteve Longerbeam #define OV5640_XCLK_MIN 6000000 3041cb1c73SPhilipp Puschmann #define OV5640_XCLK_MAX 54000000 3119a81c14SSteve Longerbeam 3219a81c14SSteve Longerbeam #define OV5640_DEFAULT_SLAVE_ID 0x3c 3319a81c14SSteve Longerbeam 34d47c4126SHugues Fruchet #define OV5640_REG_SYS_RESET02 0x3002 35d47c4126SHugues Fruchet #define OV5640_REG_SYS_CLOCK_ENABLE02 0x3006 36f22996dbSHugues Fruchet #define OV5640_REG_SYS_CTRL0 0x3008 3719a81c14SSteve Longerbeam #define OV5640_REG_CHIP_ID 0x300a 38f22996dbSHugues Fruchet #define OV5640_REG_IO_MIPI_CTRL00 0x300e 39f22996dbSHugues Fruchet #define OV5640_REG_PAD_OUTPUT_ENABLE01 0x3017 40f22996dbSHugues Fruchet #define OV5640_REG_PAD_OUTPUT_ENABLE02 0x3018 4119a81c14SSteve Longerbeam #define OV5640_REG_PAD_OUTPUT00 0x3019 42f22996dbSHugues Fruchet #define OV5640_REG_SYSTEM_CONTROL1 0x302e 4319a81c14SSteve Longerbeam #define OV5640_REG_SC_PLL_CTRL0 0x3034 4419a81c14SSteve Longerbeam #define OV5640_REG_SC_PLL_CTRL1 0x3035 4519a81c14SSteve Longerbeam #define OV5640_REG_SC_PLL_CTRL2 0x3036 4619a81c14SSteve Longerbeam #define OV5640_REG_SC_PLL_CTRL3 0x3037 4719a81c14SSteve Longerbeam #define OV5640_REG_SLAVE_ID 0x3100 48f22996dbSHugues Fruchet #define OV5640_REG_SCCB_SYS_CTRL1 0x3103 4919a81c14SSteve Longerbeam #define OV5640_REG_SYS_ROOT_DIVIDER 0x3108 5019a81c14SSteve Longerbeam #define OV5640_REG_AWB_R_GAIN 0x3400 5119a81c14SSteve Longerbeam #define OV5640_REG_AWB_G_GAIN 0x3402 5219a81c14SSteve Longerbeam #define OV5640_REG_AWB_B_GAIN 0x3404 5319a81c14SSteve Longerbeam #define OV5640_REG_AWB_MANUAL_CTRL 0x3406 5419a81c14SSteve Longerbeam #define OV5640_REG_AEC_PK_EXPOSURE_HI 0x3500 5519a81c14SSteve Longerbeam #define OV5640_REG_AEC_PK_EXPOSURE_MED 0x3501 5619a81c14SSteve Longerbeam #define OV5640_REG_AEC_PK_EXPOSURE_LO 0x3502 5719a81c14SSteve Longerbeam #define OV5640_REG_AEC_PK_MANUAL 0x3503 5819a81c14SSteve Longerbeam #define OV5640_REG_AEC_PK_REAL_GAIN 0x350a 5919a81c14SSteve Longerbeam #define OV5640_REG_AEC_PK_VTS 0x350c 6086633417SMaxime Ripard #define OV5640_REG_TIMING_DVPHO 0x3808 6186633417SMaxime Ripard #define OV5640_REG_TIMING_DVPVO 0x380a 6219a81c14SSteve Longerbeam #define OV5640_REG_TIMING_HTS 0x380c 6319a81c14SSteve Longerbeam #define OV5640_REG_TIMING_VTS 0x380e 64ce85705aSHugues Fruchet #define OV5640_REG_TIMING_TC_REG20 0x3820 6519a81c14SSteve Longerbeam #define OV5640_REG_TIMING_TC_REG21 0x3821 6619a81c14SSteve Longerbeam #define OV5640_REG_AEC_CTRL00 0x3a00 6719a81c14SSteve Longerbeam #define OV5640_REG_AEC_B50_STEP 0x3a08 6819a81c14SSteve Longerbeam #define OV5640_REG_AEC_B60_STEP 0x3a0a 6919a81c14SSteve Longerbeam #define OV5640_REG_AEC_CTRL0D 0x3a0d 7019a81c14SSteve Longerbeam #define OV5640_REG_AEC_CTRL0E 0x3a0e 7119a81c14SSteve Longerbeam #define OV5640_REG_AEC_CTRL0F 0x3a0f 7219a81c14SSteve Longerbeam #define OV5640_REG_AEC_CTRL10 0x3a10 7319a81c14SSteve Longerbeam #define OV5640_REG_AEC_CTRL11 0x3a11 7419a81c14SSteve Longerbeam #define OV5640_REG_AEC_CTRL1B 0x3a1b 7519a81c14SSteve Longerbeam #define OV5640_REG_AEC_CTRL1E 0x3a1e 7619a81c14SSteve Longerbeam #define OV5640_REG_AEC_CTRL1F 0x3a1f 7719a81c14SSteve Longerbeam #define OV5640_REG_HZ5060_CTRL00 0x3c00 7819a81c14SSteve Longerbeam #define OV5640_REG_HZ5060_CTRL01 0x3c01 7919a81c14SSteve Longerbeam #define OV5640_REG_SIGMADELTA_CTRL0C 0x3c0c 8019a81c14SSteve Longerbeam #define OV5640_REG_FRAME_CTRL01 0x4202 81e3ee691dSHugues Fruchet #define OV5640_REG_FORMAT_CONTROL00 0x4300 827cb013b1SChen-Yu Tsai #define OV5640_REG_VFIFO_HSIZE 0x4602 837cb013b1SChen-Yu Tsai #define OV5640_REG_VFIFO_VSIZE 0x4604 842b5c18f9SChen-Yu Tsai #define OV5640_REG_JPG_MODE_SELECT 0x4713 85f22996dbSHugues Fruchet #define OV5640_REG_POLARITY_CTRL00 0x4740 8619a81c14SSteve Longerbeam #define OV5640_REG_MIPI_CTRL00 0x4800 8719a81c14SSteve Longerbeam #define OV5640_REG_DEBUG_MODE 0x4814 88e3ee691dSHugues Fruchet #define OV5640_REG_ISP_FORMAT_MUX_CTRL 0x501f 8919a81c14SSteve Longerbeam #define OV5640_REG_PRE_ISP_TEST_SET1 0x503d 9019a81c14SSteve Longerbeam #define OV5640_REG_SDE_CTRL0 0x5580 9119a81c14SSteve Longerbeam #define OV5640_REG_SDE_CTRL1 0x5581 9219a81c14SSteve Longerbeam #define OV5640_REG_SDE_CTRL3 0x5583 9319a81c14SSteve Longerbeam #define OV5640_REG_SDE_CTRL4 0x5584 9419a81c14SSteve Longerbeam #define OV5640_REG_SDE_CTRL5 0x5585 9519a81c14SSteve Longerbeam #define OV5640_REG_AVG_READOUT 0x56a1 9619a81c14SSteve Longerbeam 9719a81c14SSteve Longerbeam enum ov5640_mode_id { 9819a81c14SSteve Longerbeam OV5640_MODE_QCIF_176_144 = 0, 9919a81c14SSteve Longerbeam OV5640_MODE_QVGA_320_240, 10019a81c14SSteve Longerbeam OV5640_MODE_VGA_640_480, 10119a81c14SSteve Longerbeam OV5640_MODE_NTSC_720_480, 10219a81c14SSteve Longerbeam OV5640_MODE_PAL_720_576, 10319a81c14SSteve Longerbeam OV5640_MODE_XGA_1024_768, 10419a81c14SSteve Longerbeam OV5640_MODE_720P_1280_720, 10519a81c14SSteve Longerbeam OV5640_MODE_1080P_1920_1080, 10619a81c14SSteve Longerbeam OV5640_MODE_QSXGA_2592_1944, 10719a81c14SSteve Longerbeam OV5640_NUM_MODES, 10819a81c14SSteve Longerbeam }; 10919a81c14SSteve Longerbeam 11019a81c14SSteve Longerbeam enum ov5640_frame_rate { 11119a81c14SSteve Longerbeam OV5640_15_FPS = 0, 11219a81c14SSteve Longerbeam OV5640_30_FPS, 113e823fb16SMaxime Ripard OV5640_60_FPS, 11419a81c14SSteve Longerbeam OV5640_NUM_FRAMERATES, 11519a81c14SSteve Longerbeam }; 11619a81c14SSteve Longerbeam 117b7ed3abdSLoic Poulain enum ov5640_format_mux { 118b7ed3abdSLoic Poulain OV5640_FMT_MUX_YUV422 = 0, 119b7ed3abdSLoic Poulain OV5640_FMT_MUX_RGB, 120b7ed3abdSLoic Poulain OV5640_FMT_MUX_DITHER, 121b7ed3abdSLoic Poulain OV5640_FMT_MUX_RAW_DPC, 122b7ed3abdSLoic Poulain OV5640_FMT_MUX_SNR_RAW, 123b7ed3abdSLoic Poulain OV5640_FMT_MUX_RAW_CIP, 124b7ed3abdSLoic Poulain }; 125b7ed3abdSLoic Poulain 126e3ee691dSHugues Fruchet struct ov5640_pixfmt { 127e3ee691dSHugues Fruchet u32 code; 128e3ee691dSHugues Fruchet u32 colorspace; 129e3ee691dSHugues Fruchet }; 130e3ee691dSHugues Fruchet 131e3ee691dSHugues Fruchet static const struct ov5640_pixfmt ov5640_formats[] = { 132d47c4126SHugues Fruchet { MEDIA_BUS_FMT_JPEG_1X8, V4L2_COLORSPACE_JPEG, }, 133e3ee691dSHugues Fruchet { MEDIA_BUS_FMT_UYVY8_2X8, V4L2_COLORSPACE_SRGB, }, 134e3ee691dSHugues Fruchet { MEDIA_BUS_FMT_YUYV8_2X8, V4L2_COLORSPACE_SRGB, }, 135e3ee691dSHugues Fruchet { MEDIA_BUS_FMT_RGB565_2X8_LE, V4L2_COLORSPACE_SRGB, }, 136e3ee691dSHugues Fruchet { MEDIA_BUS_FMT_RGB565_2X8_BE, V4L2_COLORSPACE_SRGB, }, 137b7ed3abdSLoic Poulain { MEDIA_BUS_FMT_SBGGR8_1X8, V4L2_COLORSPACE_SRGB, }, 138b7ed3abdSLoic Poulain { MEDIA_BUS_FMT_SGBRG8_1X8, V4L2_COLORSPACE_SRGB, }, 139b7ed3abdSLoic Poulain { MEDIA_BUS_FMT_SGRBG8_1X8, V4L2_COLORSPACE_SRGB, }, 140b7ed3abdSLoic Poulain { MEDIA_BUS_FMT_SRGGB8_1X8, V4L2_COLORSPACE_SRGB, }, 141e3ee691dSHugues Fruchet }; 142e3ee691dSHugues Fruchet 14319a81c14SSteve Longerbeam /* 14419a81c14SSteve Longerbeam * FIXME: remove this when a subdev API becomes available 14519a81c14SSteve Longerbeam * to set the MIPI CSI-2 virtual channel. 14619a81c14SSteve Longerbeam */ 14719a81c14SSteve Longerbeam static unsigned int virtual_channel; 1488670d70aSHugues Fruchet module_param(virtual_channel, uint, 0444); 14919a81c14SSteve Longerbeam MODULE_PARM_DESC(virtual_channel, 15019a81c14SSteve Longerbeam "MIPI CSI-2 virtual channel (0..3), default 0"); 15119a81c14SSteve Longerbeam 15219a81c14SSteve Longerbeam static const int ov5640_framerates[] = { 15319a81c14SSteve Longerbeam [OV5640_15_FPS] = 15, 15419a81c14SSteve Longerbeam [OV5640_30_FPS] = 30, 155e823fb16SMaxime Ripard [OV5640_60_FPS] = 60, 15619a81c14SSteve Longerbeam }; 15719a81c14SSteve Longerbeam 15819a81c14SSteve Longerbeam /* regulator supplies */ 15919a81c14SSteve Longerbeam static const char * const ov5640_supply_name[] = { 16041d8d7f5SHugues Fruchet "DOVDD", /* Digital I/O (1.8V) supply */ 16119a81c14SSteve Longerbeam "AVDD", /* Analog (2.8V) supply */ 16224c8ac89SFabio Estevam "DVDD", /* Digital Core (1.5V) supply */ 16319a81c14SSteve Longerbeam }; 16419a81c14SSteve Longerbeam 16519a81c14SSteve Longerbeam #define OV5640_NUM_SUPPLIES ARRAY_SIZE(ov5640_supply_name) 16619a81c14SSteve Longerbeam 16719a81c14SSteve Longerbeam /* 16819a81c14SSteve Longerbeam * Image size under 1280 * 960 are SUBSAMPLING 16919a81c14SSteve Longerbeam * Image size upper 1280 * 960 are SCALING 17019a81c14SSteve Longerbeam */ 17119a81c14SSteve Longerbeam enum ov5640_downsize_mode { 17219a81c14SSteve Longerbeam SUBSAMPLING, 17319a81c14SSteve Longerbeam SCALING, 17419a81c14SSteve Longerbeam }; 17519a81c14SSteve Longerbeam 17619a81c14SSteve Longerbeam struct reg_value { 17719a81c14SSteve Longerbeam u16 reg_addr; 17819a81c14SSteve Longerbeam u8 val; 17919a81c14SSteve Longerbeam u8 mask; 18019a81c14SSteve Longerbeam u32 delay_ms; 18119a81c14SSteve Longerbeam }; 18219a81c14SSteve Longerbeam 18319a81c14SSteve Longerbeam struct ov5640_mode_info { 18419a81c14SSteve Longerbeam enum ov5640_mode_id id; 18519a81c14SSteve Longerbeam enum ov5640_downsize_mode dn_mode; 186dba13a0bSMaxime Ripard u32 hact; 187476dec01SMaxime Ripard u32 htot; 188dba13a0bSMaxime Ripard u32 vact; 189476dec01SMaxime Ripard u32 vtot; 19019a81c14SSteve Longerbeam const struct reg_value *reg_data; 19119a81c14SSteve Longerbeam u32 reg_data_size; 1925554c80eSAdam Ford u32 max_fps; 19319a81c14SSteve Longerbeam }; 19419a81c14SSteve Longerbeam 19519a81c14SSteve Longerbeam struct ov5640_ctrls { 19619a81c14SSteve Longerbeam struct v4l2_ctrl_handler handler; 197cc196e48SBenoit Parrot struct v4l2_ctrl *pixel_rate; 19819a81c14SSteve Longerbeam struct { 19919a81c14SSteve Longerbeam struct v4l2_ctrl *auto_exp; 20019a81c14SSteve Longerbeam struct v4l2_ctrl *exposure; 20119a81c14SSteve Longerbeam }; 20219a81c14SSteve Longerbeam struct { 20319a81c14SSteve Longerbeam struct v4l2_ctrl *auto_wb; 20419a81c14SSteve Longerbeam struct v4l2_ctrl *blue_balance; 20519a81c14SSteve Longerbeam struct v4l2_ctrl *red_balance; 20619a81c14SSteve Longerbeam }; 20719a81c14SSteve Longerbeam struct { 20819a81c14SSteve Longerbeam struct v4l2_ctrl *auto_gain; 20919a81c14SSteve Longerbeam struct v4l2_ctrl *gain; 21019a81c14SSteve Longerbeam }; 21119a81c14SSteve Longerbeam struct v4l2_ctrl *brightness; 2121068fecaSMylène Josserand struct v4l2_ctrl *light_freq; 21319a81c14SSteve Longerbeam struct v4l2_ctrl *saturation; 21419a81c14SSteve Longerbeam struct v4l2_ctrl *contrast; 21519a81c14SSteve Longerbeam struct v4l2_ctrl *hue; 21619a81c14SSteve Longerbeam struct v4l2_ctrl *test_pattern; 217ce85705aSHugues Fruchet struct v4l2_ctrl *hflip; 218ce85705aSHugues Fruchet struct v4l2_ctrl *vflip; 21919a81c14SSteve Longerbeam }; 22019a81c14SSteve Longerbeam 22119a81c14SSteve Longerbeam struct ov5640_dev { 22219a81c14SSteve Longerbeam struct i2c_client *i2c_client; 22319a81c14SSteve Longerbeam struct v4l2_subdev sd; 22419a81c14SSteve Longerbeam struct media_pad pad; 22519a81c14SSteve Longerbeam struct v4l2_fwnode_endpoint ep; /* the parsed DT endpoint info */ 22619a81c14SSteve Longerbeam struct clk *xclk; /* system clock to OV5640 */ 22719a81c14SSteve Longerbeam u32 xclk_freq; 22819a81c14SSteve Longerbeam 22919a81c14SSteve Longerbeam struct regulator_bulk_data supplies[OV5640_NUM_SUPPLIES]; 23019a81c14SSteve Longerbeam struct gpio_desc *reset_gpio; 23119a81c14SSteve Longerbeam struct gpio_desc *pwdn_gpio; 232c3f3ba3eSHugues Fruchet bool upside_down; 23319a81c14SSteve Longerbeam 23419a81c14SSteve Longerbeam /* lock to protect all members below */ 23519a81c14SSteve Longerbeam struct mutex lock; 23619a81c14SSteve Longerbeam 23719a81c14SSteve Longerbeam int power_count; 23819a81c14SSteve Longerbeam 23919a81c14SSteve Longerbeam struct v4l2_mbus_framefmt fmt; 240fb98e29fSHugues Fruchet bool pending_fmt_change; 24119a81c14SSteve Longerbeam 24219a81c14SSteve Longerbeam const struct ov5640_mode_info *current_mode; 243985cdcb0SHugues Fruchet const struct ov5640_mode_info *last_mode; 24419a81c14SSteve Longerbeam enum ov5640_frame_rate current_fr; 24519a81c14SSteve Longerbeam struct v4l2_fract frame_interval; 24619a81c14SSteve Longerbeam 24719a81c14SSteve Longerbeam struct ov5640_ctrls ctrls; 24819a81c14SSteve Longerbeam 24919a81c14SSteve Longerbeam u32 prev_sysclk, prev_hts; 25019a81c14SSteve Longerbeam u32 ae_low, ae_high, ae_target; 25119a81c14SSteve Longerbeam 25219a81c14SSteve Longerbeam bool pending_mode_change; 25319a81c14SSteve Longerbeam bool streaming; 25419a81c14SSteve Longerbeam }; 25519a81c14SSteve Longerbeam 25619a81c14SSteve Longerbeam static inline struct ov5640_dev *to_ov5640_dev(struct v4l2_subdev *sd) 25719a81c14SSteve Longerbeam { 25819a81c14SSteve Longerbeam return container_of(sd, struct ov5640_dev, sd); 25919a81c14SSteve Longerbeam } 26019a81c14SSteve Longerbeam 26119a81c14SSteve Longerbeam static inline struct v4l2_subdev *ctrl_to_sd(struct v4l2_ctrl *ctrl) 26219a81c14SSteve Longerbeam { 26319a81c14SSteve Longerbeam return &container_of(ctrl->handler, struct ov5640_dev, 26419a81c14SSteve Longerbeam ctrls.handler)->sd; 26519a81c14SSteve Longerbeam } 26619a81c14SSteve Longerbeam 26719a81c14SSteve Longerbeam /* 26819a81c14SSteve Longerbeam * FIXME: all of these register tables are likely filled with 26919a81c14SSteve Longerbeam * entries that set the register to their power-on default values, 27019a81c14SSteve Longerbeam * and which are otherwise not touched by this driver. Those entries 27119a81c14SSteve Longerbeam * should be identified and removed to speed register load time 27219a81c14SSteve Longerbeam * over i2c. 27319a81c14SSteve Longerbeam */ 274fb98e29fSHugues Fruchet /* YUV422 UYVY VGA@30fps */ 27519a81c14SSteve Longerbeam static const struct reg_value ov5640_init_setting_30fps_VGA[] = { 27619a81c14SSteve Longerbeam {0x3103, 0x11, 0, 0}, {0x3008, 0x82, 0, 5}, {0x3008, 0x42, 0, 0}, 27719a81c14SSteve Longerbeam {0x3103, 0x03, 0, 0}, {0x3017, 0x00, 0, 0}, {0x3018, 0x00, 0, 0}, 278c14d107eSMaxime Ripard {0x3630, 0x36, 0, 0}, 27919a81c14SSteve Longerbeam {0x3631, 0x0e, 0, 0}, {0x3632, 0xe2, 0, 0}, {0x3633, 0x12, 0, 0}, 28019a81c14SSteve Longerbeam {0x3621, 0xe0, 0, 0}, {0x3704, 0xa0, 0, 0}, {0x3703, 0x5a, 0, 0}, 28119a81c14SSteve Longerbeam {0x3715, 0x78, 0, 0}, {0x3717, 0x01, 0, 0}, {0x370b, 0x60, 0, 0}, 28219a81c14SSteve Longerbeam {0x3705, 0x1a, 0, 0}, {0x3905, 0x02, 0, 0}, {0x3906, 0x10, 0, 0}, 28319a81c14SSteve Longerbeam {0x3901, 0x0a, 0, 0}, {0x3731, 0x12, 0, 0}, {0x3600, 0x08, 0, 0}, 28419a81c14SSteve Longerbeam {0x3601, 0x33, 0, 0}, {0x302d, 0x60, 0, 0}, {0x3620, 0x52, 0, 0}, 28519a81c14SSteve Longerbeam {0x371b, 0x20, 0, 0}, {0x471c, 0x50, 0, 0}, {0x3a13, 0x43, 0, 0}, 28619a81c14SSteve Longerbeam {0x3a18, 0x00, 0, 0}, {0x3a19, 0xf8, 0, 0}, {0x3635, 0x13, 0, 0}, 28719a81c14SSteve Longerbeam {0x3636, 0x03, 0, 0}, {0x3634, 0x40, 0, 0}, {0x3622, 0x01, 0, 0}, 28819a81c14SSteve Longerbeam {0x3c01, 0xa4, 0, 0}, {0x3c04, 0x28, 0, 0}, {0x3c05, 0x98, 0, 0}, 28919a81c14SSteve Longerbeam {0x3c06, 0x00, 0, 0}, {0x3c07, 0x08, 0, 0}, {0x3c08, 0x00, 0, 0}, 29019a81c14SSteve Longerbeam {0x3c09, 0x1c, 0, 0}, {0x3c0a, 0x9c, 0, 0}, {0x3c0b, 0x40, 0, 0}, 29119a81c14SSteve Longerbeam {0x3820, 0x41, 0, 0}, {0x3821, 0x07, 0, 0}, {0x3814, 0x31, 0, 0}, 29219a81c14SSteve Longerbeam {0x3815, 0x31, 0, 0}, {0x3800, 0x00, 0, 0}, {0x3801, 0x00, 0, 0}, 29319a81c14SSteve Longerbeam {0x3802, 0x00, 0, 0}, {0x3803, 0x04, 0, 0}, {0x3804, 0x0a, 0, 0}, 29419a81c14SSteve Longerbeam {0x3805, 0x3f, 0, 0}, {0x3806, 0x07, 0, 0}, {0x3807, 0x9b, 0, 0}, 295476dec01SMaxime Ripard {0x3810, 0x00, 0, 0}, 29619a81c14SSteve Longerbeam {0x3811, 0x10, 0, 0}, {0x3812, 0x00, 0, 0}, {0x3813, 0x06, 0, 0}, 29719a81c14SSteve Longerbeam {0x3618, 0x00, 0, 0}, {0x3612, 0x29, 0, 0}, {0x3708, 0x64, 0, 0}, 29819a81c14SSteve Longerbeam {0x3709, 0x52, 0, 0}, {0x370c, 0x03, 0, 0}, {0x3a02, 0x03, 0, 0}, 29919a81c14SSteve Longerbeam {0x3a03, 0xd8, 0, 0}, {0x3a08, 0x01, 0, 0}, {0x3a09, 0x27, 0, 0}, 30019a81c14SSteve Longerbeam {0x3a0a, 0x00, 0, 0}, {0x3a0b, 0xf6, 0, 0}, {0x3a0e, 0x03, 0, 0}, 30119a81c14SSteve Longerbeam {0x3a0d, 0x04, 0, 0}, {0x3a14, 0x03, 0, 0}, {0x3a15, 0xd8, 0, 0}, 30219a81c14SSteve Longerbeam {0x4001, 0x02, 0, 0}, {0x4004, 0x02, 0, 0}, {0x3000, 0x00, 0, 0}, 30319a81c14SSteve Longerbeam {0x3002, 0x1c, 0, 0}, {0x3004, 0xff, 0, 0}, {0x3006, 0xc3, 0, 0}, 304aa4bb8b8SJacopo Mondi {0x302e, 0x08, 0, 0}, {0x4300, 0x3f, 0, 0}, 3052b5c18f9SChen-Yu Tsai {0x501f, 0x00, 0, 0}, {0x4407, 0x04, 0, 0}, 30619a81c14SSteve Longerbeam {0x440e, 0x00, 0, 0}, {0x460b, 0x35, 0, 0}, {0x460c, 0x22, 0, 0}, 307aa4bb8b8SJacopo Mondi {0x4837, 0x0a, 0, 0}, {0x3824, 0x02, 0, 0}, 30819a81c14SSteve Longerbeam {0x5000, 0xa7, 0, 0}, {0x5001, 0xa3, 0, 0}, {0x5180, 0xff, 0, 0}, 30919a81c14SSteve Longerbeam {0x5181, 0xf2, 0, 0}, {0x5182, 0x00, 0, 0}, {0x5183, 0x14, 0, 0}, 31019a81c14SSteve Longerbeam {0x5184, 0x25, 0, 0}, {0x5185, 0x24, 0, 0}, {0x5186, 0x09, 0, 0}, 31119a81c14SSteve Longerbeam {0x5187, 0x09, 0, 0}, {0x5188, 0x09, 0, 0}, {0x5189, 0x88, 0, 0}, 31219a81c14SSteve Longerbeam {0x518a, 0x54, 0, 0}, {0x518b, 0xee, 0, 0}, {0x518c, 0xb2, 0, 0}, 31319a81c14SSteve Longerbeam {0x518d, 0x50, 0, 0}, {0x518e, 0x34, 0, 0}, {0x518f, 0x6b, 0, 0}, 31419a81c14SSteve Longerbeam {0x5190, 0x46, 0, 0}, {0x5191, 0xf8, 0, 0}, {0x5192, 0x04, 0, 0}, 31519a81c14SSteve Longerbeam {0x5193, 0x70, 0, 0}, {0x5194, 0xf0, 0, 0}, {0x5195, 0xf0, 0, 0}, 31619a81c14SSteve Longerbeam {0x5196, 0x03, 0, 0}, {0x5197, 0x01, 0, 0}, {0x5198, 0x04, 0, 0}, 31719a81c14SSteve Longerbeam {0x5199, 0x6c, 0, 0}, {0x519a, 0x04, 0, 0}, {0x519b, 0x00, 0, 0}, 31819a81c14SSteve Longerbeam {0x519c, 0x09, 0, 0}, {0x519d, 0x2b, 0, 0}, {0x519e, 0x38, 0, 0}, 31919a81c14SSteve Longerbeam {0x5381, 0x1e, 0, 0}, {0x5382, 0x5b, 0, 0}, {0x5383, 0x08, 0, 0}, 32019a81c14SSteve Longerbeam {0x5384, 0x0a, 0, 0}, {0x5385, 0x7e, 0, 0}, {0x5386, 0x88, 0, 0}, 32119a81c14SSteve Longerbeam {0x5387, 0x7c, 0, 0}, {0x5388, 0x6c, 0, 0}, {0x5389, 0x10, 0, 0}, 32219a81c14SSteve Longerbeam {0x538a, 0x01, 0, 0}, {0x538b, 0x98, 0, 0}, {0x5300, 0x08, 0, 0}, 32319a81c14SSteve Longerbeam {0x5301, 0x30, 0, 0}, {0x5302, 0x10, 0, 0}, {0x5303, 0x00, 0, 0}, 32419a81c14SSteve Longerbeam {0x5304, 0x08, 0, 0}, {0x5305, 0x30, 0, 0}, {0x5306, 0x08, 0, 0}, 32519a81c14SSteve Longerbeam {0x5307, 0x16, 0, 0}, {0x5309, 0x08, 0, 0}, {0x530a, 0x30, 0, 0}, 32619a81c14SSteve Longerbeam {0x530b, 0x04, 0, 0}, {0x530c, 0x06, 0, 0}, {0x5480, 0x01, 0, 0}, 32719a81c14SSteve Longerbeam {0x5481, 0x08, 0, 0}, {0x5482, 0x14, 0, 0}, {0x5483, 0x28, 0, 0}, 32819a81c14SSteve Longerbeam {0x5484, 0x51, 0, 0}, {0x5485, 0x65, 0, 0}, {0x5486, 0x71, 0, 0}, 32919a81c14SSteve Longerbeam {0x5487, 0x7d, 0, 0}, {0x5488, 0x87, 0, 0}, {0x5489, 0x91, 0, 0}, 33019a81c14SSteve Longerbeam {0x548a, 0x9a, 0, 0}, {0x548b, 0xaa, 0, 0}, {0x548c, 0xb8, 0, 0}, 33119a81c14SSteve Longerbeam {0x548d, 0xcd, 0, 0}, {0x548e, 0xdd, 0, 0}, {0x548f, 0xea, 0, 0}, 33219a81c14SSteve Longerbeam {0x5490, 0x1d, 0, 0}, {0x5580, 0x02, 0, 0}, {0x5583, 0x40, 0, 0}, 33319a81c14SSteve Longerbeam {0x5584, 0x10, 0, 0}, {0x5589, 0x10, 0, 0}, {0x558a, 0x00, 0, 0}, 33419a81c14SSteve Longerbeam {0x558b, 0xf8, 0, 0}, {0x5800, 0x23, 0, 0}, {0x5801, 0x14, 0, 0}, 33519a81c14SSteve Longerbeam {0x5802, 0x0f, 0, 0}, {0x5803, 0x0f, 0, 0}, {0x5804, 0x12, 0, 0}, 33619a81c14SSteve Longerbeam {0x5805, 0x26, 0, 0}, {0x5806, 0x0c, 0, 0}, {0x5807, 0x08, 0, 0}, 33719a81c14SSteve Longerbeam {0x5808, 0x05, 0, 0}, {0x5809, 0x05, 0, 0}, {0x580a, 0x08, 0, 0}, 33819a81c14SSteve Longerbeam {0x580b, 0x0d, 0, 0}, {0x580c, 0x08, 0, 0}, {0x580d, 0x03, 0, 0}, 33919a81c14SSteve Longerbeam {0x580e, 0x00, 0, 0}, {0x580f, 0x00, 0, 0}, {0x5810, 0x03, 0, 0}, 34019a81c14SSteve Longerbeam {0x5811, 0x09, 0, 0}, {0x5812, 0x07, 0, 0}, {0x5813, 0x03, 0, 0}, 34119a81c14SSteve Longerbeam {0x5814, 0x00, 0, 0}, {0x5815, 0x01, 0, 0}, {0x5816, 0x03, 0, 0}, 34219a81c14SSteve Longerbeam {0x5817, 0x08, 0, 0}, {0x5818, 0x0d, 0, 0}, {0x5819, 0x08, 0, 0}, 34319a81c14SSteve Longerbeam {0x581a, 0x05, 0, 0}, {0x581b, 0x06, 0, 0}, {0x581c, 0x08, 0, 0}, 34419a81c14SSteve Longerbeam {0x581d, 0x0e, 0, 0}, {0x581e, 0x29, 0, 0}, {0x581f, 0x17, 0, 0}, 34519a81c14SSteve Longerbeam {0x5820, 0x11, 0, 0}, {0x5821, 0x11, 0, 0}, {0x5822, 0x15, 0, 0}, 34619a81c14SSteve Longerbeam {0x5823, 0x28, 0, 0}, {0x5824, 0x46, 0, 0}, {0x5825, 0x26, 0, 0}, 34719a81c14SSteve Longerbeam {0x5826, 0x08, 0, 0}, {0x5827, 0x26, 0, 0}, {0x5828, 0x64, 0, 0}, 34819a81c14SSteve Longerbeam {0x5829, 0x26, 0, 0}, {0x582a, 0x24, 0, 0}, {0x582b, 0x22, 0, 0}, 34919a81c14SSteve Longerbeam {0x582c, 0x24, 0, 0}, {0x582d, 0x24, 0, 0}, {0x582e, 0x06, 0, 0}, 35019a81c14SSteve Longerbeam {0x582f, 0x22, 0, 0}, {0x5830, 0x40, 0, 0}, {0x5831, 0x42, 0, 0}, 35119a81c14SSteve Longerbeam {0x5832, 0x24, 0, 0}, {0x5833, 0x26, 0, 0}, {0x5834, 0x24, 0, 0}, 35219a81c14SSteve Longerbeam {0x5835, 0x22, 0, 0}, {0x5836, 0x22, 0, 0}, {0x5837, 0x26, 0, 0}, 35319a81c14SSteve Longerbeam {0x5838, 0x44, 0, 0}, {0x5839, 0x24, 0, 0}, {0x583a, 0x26, 0, 0}, 35419a81c14SSteve Longerbeam {0x583b, 0x28, 0, 0}, {0x583c, 0x42, 0, 0}, {0x583d, 0xce, 0, 0}, 35519a81c14SSteve Longerbeam {0x5025, 0x00, 0, 0}, {0x3a0f, 0x30, 0, 0}, {0x3a10, 0x28, 0, 0}, 35619a81c14SSteve Longerbeam {0x3a1b, 0x30, 0, 0}, {0x3a1e, 0x26, 0, 0}, {0x3a11, 0x60, 0, 0}, 35719a81c14SSteve Longerbeam {0x3a1f, 0x14, 0, 0}, {0x3008, 0x02, 0, 0}, {0x3c00, 0x04, 0, 300}, 35819a81c14SSteve Longerbeam }; 35919a81c14SSteve Longerbeam 360086c25f8SMaxime Ripard static const struct reg_value ov5640_setting_VGA_640_480[] = { 361c14d107eSMaxime Ripard {0x3c07, 0x08, 0, 0}, 36219a81c14SSteve Longerbeam {0x3c09, 0x1c, 0, 0}, {0x3c0a, 0x9c, 0, 0}, {0x3c0b, 0x40, 0, 0}, 363ce85705aSHugues Fruchet {0x3814, 0x31, 0, 0}, 36419a81c14SSteve Longerbeam {0x3815, 0x31, 0, 0}, {0x3800, 0x00, 0, 0}, {0x3801, 0x00, 0, 0}, 36519a81c14SSteve Longerbeam {0x3802, 0x00, 0, 0}, {0x3803, 0x04, 0, 0}, {0x3804, 0x0a, 0, 0}, 36619a81c14SSteve Longerbeam {0x3805, 0x3f, 0, 0}, {0x3806, 0x07, 0, 0}, {0x3807, 0x9b, 0, 0}, 367476dec01SMaxime Ripard {0x3810, 0x00, 0, 0}, 36819a81c14SSteve Longerbeam {0x3811, 0x10, 0, 0}, {0x3812, 0x00, 0, 0}, {0x3813, 0x06, 0, 0}, 36919a81c14SSteve Longerbeam {0x3618, 0x00, 0, 0}, {0x3612, 0x29, 0, 0}, {0x3708, 0x64, 0, 0}, 37019a81c14SSteve Longerbeam {0x3709, 0x52, 0, 0}, {0x370c, 0x03, 0, 0}, {0x3a02, 0x03, 0, 0}, 37119a81c14SSteve Longerbeam {0x3a03, 0xd8, 0, 0}, {0x3a08, 0x01, 0, 0}, {0x3a09, 0x27, 0, 0}, 37219a81c14SSteve Longerbeam {0x3a0a, 0x00, 0, 0}, {0x3a0b, 0xf6, 0, 0}, {0x3a0e, 0x03, 0, 0}, 37319a81c14SSteve Longerbeam {0x3a0d, 0x04, 0, 0}, {0x3a14, 0x03, 0, 0}, {0x3a15, 0xd8, 0, 0}, 3742b5c18f9SChen-Yu Tsai {0x4001, 0x02, 0, 0}, {0x4004, 0x02, 0, 0}, 37519a81c14SSteve Longerbeam {0x4407, 0x04, 0, 0}, {0x460b, 0x35, 0, 0}, {0x460c, 0x22, 0, 0}, 37619a81c14SSteve Longerbeam {0x3824, 0x02, 0, 0}, {0x5001, 0xa3, 0, 0}, 37719a81c14SSteve Longerbeam }; 37819a81c14SSteve Longerbeam 379086c25f8SMaxime Ripard static const struct reg_value ov5640_setting_XGA_1024_768[] = { 380c14d107eSMaxime Ripard {0x3c07, 0x08, 0, 0}, 38119a81c14SSteve Longerbeam {0x3c09, 0x1c, 0, 0}, {0x3c0a, 0x9c, 0, 0}, {0x3c0b, 0x40, 0, 0}, 382ce85705aSHugues Fruchet {0x3814, 0x31, 0, 0}, 38319a81c14SSteve Longerbeam {0x3815, 0x31, 0, 0}, {0x3800, 0x00, 0, 0}, {0x3801, 0x00, 0, 0}, 38419a81c14SSteve Longerbeam {0x3802, 0x00, 0, 0}, {0x3803, 0x04, 0, 0}, {0x3804, 0x0a, 0, 0}, 38519a81c14SSteve Longerbeam {0x3805, 0x3f, 0, 0}, {0x3806, 0x07, 0, 0}, {0x3807, 0x9b, 0, 0}, 386476dec01SMaxime Ripard {0x3810, 0x00, 0, 0}, 38719a81c14SSteve Longerbeam {0x3811, 0x10, 0, 0}, {0x3812, 0x00, 0, 0}, {0x3813, 0x06, 0, 0}, 38819a81c14SSteve Longerbeam {0x3618, 0x00, 0, 0}, {0x3612, 0x29, 0, 0}, {0x3708, 0x64, 0, 0}, 38919a81c14SSteve Longerbeam {0x3709, 0x52, 0, 0}, {0x370c, 0x03, 0, 0}, {0x3a02, 0x03, 0, 0}, 39019a81c14SSteve Longerbeam {0x3a03, 0xd8, 0, 0}, {0x3a08, 0x01, 0, 0}, {0x3a09, 0x27, 0, 0}, 39119a81c14SSteve Longerbeam {0x3a0a, 0x00, 0, 0}, {0x3a0b, 0xf6, 0, 0}, {0x3a0e, 0x03, 0, 0}, 39219a81c14SSteve Longerbeam {0x3a0d, 0x04, 0, 0}, {0x3a14, 0x03, 0, 0}, {0x3a15, 0xd8, 0, 0}, 3932b5c18f9SChen-Yu Tsai {0x4001, 0x02, 0, 0}, {0x4004, 0x02, 0, 0}, 39419a81c14SSteve Longerbeam {0x4407, 0x04, 0, 0}, {0x460b, 0x35, 0, 0}, {0x460c, 0x22, 0, 0}, 39586633417SMaxime Ripard {0x3824, 0x02, 0, 0}, {0x5001, 0xa3, 0, 0}, 39619a81c14SSteve Longerbeam }; 39719a81c14SSteve Longerbeam 398086c25f8SMaxime Ripard static const struct reg_value ov5640_setting_QVGA_320_240[] = { 399c14d107eSMaxime Ripard {0x3c07, 0x08, 0, 0}, 40019a81c14SSteve Longerbeam {0x3c09, 0x1c, 0, 0}, {0x3c0a, 0x9c, 0, 0}, {0x3c0b, 0x40, 0, 0}, 401ce85705aSHugues Fruchet {0x3814, 0x31, 0, 0}, 40219a81c14SSteve Longerbeam {0x3815, 0x31, 0, 0}, {0x3800, 0x00, 0, 0}, {0x3801, 0x00, 0, 0}, 40319a81c14SSteve Longerbeam {0x3802, 0x00, 0, 0}, {0x3803, 0x04, 0, 0}, {0x3804, 0x0a, 0, 0}, 40419a81c14SSteve Longerbeam {0x3805, 0x3f, 0, 0}, {0x3806, 0x07, 0, 0}, {0x3807, 0x9b, 0, 0}, 405476dec01SMaxime Ripard {0x3810, 0x00, 0, 0}, 40619a81c14SSteve Longerbeam {0x3811, 0x10, 0, 0}, {0x3812, 0x00, 0, 0}, {0x3813, 0x06, 0, 0}, 40719a81c14SSteve Longerbeam {0x3618, 0x00, 0, 0}, {0x3612, 0x29, 0, 0}, {0x3708, 0x64, 0, 0}, 40819a81c14SSteve Longerbeam {0x3709, 0x52, 0, 0}, {0x370c, 0x03, 0, 0}, {0x3a02, 0x03, 0, 0}, 40919a81c14SSteve Longerbeam {0x3a03, 0xd8, 0, 0}, {0x3a08, 0x01, 0, 0}, {0x3a09, 0x27, 0, 0}, 41019a81c14SSteve Longerbeam {0x3a0a, 0x00, 0, 0}, {0x3a0b, 0xf6, 0, 0}, {0x3a0e, 0x03, 0, 0}, 41119a81c14SSteve Longerbeam {0x3a0d, 0x04, 0, 0}, {0x3a14, 0x03, 0, 0}, {0x3a15, 0xd8, 0, 0}, 4122b5c18f9SChen-Yu Tsai {0x4001, 0x02, 0, 0}, {0x4004, 0x02, 0, 0}, 41319a81c14SSteve Longerbeam {0x4407, 0x04, 0, 0}, {0x460b, 0x35, 0, 0}, {0x460c, 0x22, 0, 0}, 41419a81c14SSteve Longerbeam {0x3824, 0x02, 0, 0}, {0x5001, 0xa3, 0, 0}, 41519a81c14SSteve Longerbeam }; 41619a81c14SSteve Longerbeam 417086c25f8SMaxime Ripard static const struct reg_value ov5640_setting_QCIF_176_144[] = { 418c14d107eSMaxime Ripard {0x3c07, 0x08, 0, 0}, 41919a81c14SSteve Longerbeam {0x3c09, 0x1c, 0, 0}, {0x3c0a, 0x9c, 0, 0}, {0x3c0b, 0x40, 0, 0}, 420ce85705aSHugues Fruchet {0x3814, 0x31, 0, 0}, 42119a81c14SSteve Longerbeam {0x3815, 0x31, 0, 0}, {0x3800, 0x00, 0, 0}, {0x3801, 0x00, 0, 0}, 42219a81c14SSteve Longerbeam {0x3802, 0x00, 0, 0}, {0x3803, 0x04, 0, 0}, {0x3804, 0x0a, 0, 0}, 42319a81c14SSteve Longerbeam {0x3805, 0x3f, 0, 0}, {0x3806, 0x07, 0, 0}, {0x3807, 0x9b, 0, 0}, 424476dec01SMaxime Ripard {0x3810, 0x00, 0, 0}, 42519a81c14SSteve Longerbeam {0x3811, 0x10, 0, 0}, {0x3812, 0x00, 0, 0}, {0x3813, 0x06, 0, 0}, 42619a81c14SSteve Longerbeam {0x3618, 0x00, 0, 0}, {0x3612, 0x29, 0, 0}, {0x3708, 0x64, 0, 0}, 42719a81c14SSteve Longerbeam {0x3709, 0x52, 0, 0}, {0x370c, 0x03, 0, 0}, {0x3a02, 0x03, 0, 0}, 42819a81c14SSteve Longerbeam {0x3a03, 0xd8, 0, 0}, {0x3a08, 0x01, 0, 0}, {0x3a09, 0x27, 0, 0}, 42919a81c14SSteve Longerbeam {0x3a0a, 0x00, 0, 0}, {0x3a0b, 0xf6, 0, 0}, {0x3a0e, 0x03, 0, 0}, 43019a81c14SSteve Longerbeam {0x3a0d, 0x04, 0, 0}, {0x3a14, 0x03, 0, 0}, {0x3a15, 0xd8, 0, 0}, 4312b5c18f9SChen-Yu Tsai {0x4001, 0x02, 0, 0}, {0x4004, 0x02, 0, 0}, 43219a81c14SSteve Longerbeam {0x4407, 0x04, 0, 0}, {0x460b, 0x35, 0, 0}, {0x460c, 0x22, 0, 0}, 43319a81c14SSteve Longerbeam {0x3824, 0x02, 0, 0}, {0x5001, 0xa3, 0, 0}, 43419a81c14SSteve Longerbeam }; 43519a81c14SSteve Longerbeam 436086c25f8SMaxime Ripard static const struct reg_value ov5640_setting_NTSC_720_480[] = { 437c14d107eSMaxime Ripard {0x3c07, 0x08, 0, 0}, 43819a81c14SSteve Longerbeam {0x3c09, 0x1c, 0, 0}, {0x3c0a, 0x9c, 0, 0}, {0x3c0b, 0x40, 0, 0}, 439ce85705aSHugues Fruchet {0x3814, 0x31, 0, 0}, 44019a81c14SSteve Longerbeam {0x3815, 0x31, 0, 0}, {0x3800, 0x00, 0, 0}, {0x3801, 0x00, 0, 0}, 44119a81c14SSteve Longerbeam {0x3802, 0x00, 0, 0}, {0x3803, 0x04, 0, 0}, {0x3804, 0x0a, 0, 0}, 44219a81c14SSteve Longerbeam {0x3805, 0x3f, 0, 0}, {0x3806, 0x07, 0, 0}, {0x3807, 0x9b, 0, 0}, 443476dec01SMaxime Ripard {0x3810, 0x00, 0, 0}, 44419a81c14SSteve Longerbeam {0x3811, 0x10, 0, 0}, {0x3812, 0x00, 0, 0}, {0x3813, 0x3c, 0, 0}, 44519a81c14SSteve Longerbeam {0x3618, 0x00, 0, 0}, {0x3612, 0x29, 0, 0}, {0x3708, 0x64, 0, 0}, 44619a81c14SSteve Longerbeam {0x3709, 0x52, 0, 0}, {0x370c, 0x03, 0, 0}, {0x3a02, 0x03, 0, 0}, 44719a81c14SSteve Longerbeam {0x3a03, 0xd8, 0, 0}, {0x3a08, 0x01, 0, 0}, {0x3a09, 0x27, 0, 0}, 44819a81c14SSteve Longerbeam {0x3a0a, 0x00, 0, 0}, {0x3a0b, 0xf6, 0, 0}, {0x3a0e, 0x03, 0, 0}, 44919a81c14SSteve Longerbeam {0x3a0d, 0x04, 0, 0}, {0x3a14, 0x03, 0, 0}, {0x3a15, 0xd8, 0, 0}, 4502b5c18f9SChen-Yu Tsai {0x4001, 0x02, 0, 0}, {0x4004, 0x02, 0, 0}, 45119a81c14SSteve Longerbeam {0x4407, 0x04, 0, 0}, {0x460b, 0x35, 0, 0}, {0x460c, 0x22, 0, 0}, 45219a81c14SSteve Longerbeam {0x3824, 0x02, 0, 0}, {0x5001, 0xa3, 0, 0}, 45319a81c14SSteve Longerbeam }; 45419a81c14SSteve Longerbeam 455086c25f8SMaxime Ripard static const struct reg_value ov5640_setting_PAL_720_576[] = { 456c14d107eSMaxime Ripard {0x3c07, 0x08, 0, 0}, 45719a81c14SSteve Longerbeam {0x3c09, 0x1c, 0, 0}, {0x3c0a, 0x9c, 0, 0}, {0x3c0b, 0x40, 0, 0}, 458ce85705aSHugues Fruchet {0x3814, 0x31, 0, 0}, 45919a81c14SSteve Longerbeam {0x3815, 0x31, 0, 0}, {0x3800, 0x00, 0, 0}, {0x3801, 0x00, 0, 0}, 46019a81c14SSteve Longerbeam {0x3802, 0x00, 0, 0}, {0x3803, 0x04, 0, 0}, {0x3804, 0x0a, 0, 0}, 46119a81c14SSteve Longerbeam {0x3805, 0x3f, 0, 0}, {0x3806, 0x07, 0, 0}, {0x3807, 0x9b, 0, 0}, 462476dec01SMaxime Ripard {0x3810, 0x00, 0, 0}, 46319a81c14SSteve Longerbeam {0x3811, 0x38, 0, 0}, {0x3812, 0x00, 0, 0}, {0x3813, 0x06, 0, 0}, 46419a81c14SSteve Longerbeam {0x3618, 0x00, 0, 0}, {0x3612, 0x29, 0, 0}, {0x3708, 0x64, 0, 0}, 46519a81c14SSteve Longerbeam {0x3709, 0x52, 0, 0}, {0x370c, 0x03, 0, 0}, {0x3a02, 0x03, 0, 0}, 46619a81c14SSteve Longerbeam {0x3a03, 0xd8, 0, 0}, {0x3a08, 0x01, 0, 0}, {0x3a09, 0x27, 0, 0}, 46719a81c14SSteve Longerbeam {0x3a0a, 0x00, 0, 0}, {0x3a0b, 0xf6, 0, 0}, {0x3a0e, 0x03, 0, 0}, 46819a81c14SSteve Longerbeam {0x3a0d, 0x04, 0, 0}, {0x3a14, 0x03, 0, 0}, {0x3a15, 0xd8, 0, 0}, 4692b5c18f9SChen-Yu Tsai {0x4001, 0x02, 0, 0}, {0x4004, 0x02, 0, 0}, 47019a81c14SSteve Longerbeam {0x4407, 0x04, 0, 0}, {0x460b, 0x35, 0, 0}, {0x460c, 0x22, 0, 0}, 47119a81c14SSteve Longerbeam {0x3824, 0x02, 0, 0}, {0x5001, 0xa3, 0, 0}, 47219a81c14SSteve Longerbeam }; 47319a81c14SSteve Longerbeam 474086c25f8SMaxime Ripard static const struct reg_value ov5640_setting_720P_1280_720[] = { 475c14d107eSMaxime Ripard {0x3c07, 0x07, 0, 0}, 47619a81c14SSteve Longerbeam {0x3c09, 0x1c, 0, 0}, {0x3c0a, 0x9c, 0, 0}, {0x3c0b, 0x40, 0, 0}, 477ce85705aSHugues Fruchet {0x3814, 0x31, 0, 0}, 47819a81c14SSteve Longerbeam {0x3815, 0x31, 0, 0}, {0x3800, 0x00, 0, 0}, {0x3801, 0x00, 0, 0}, 47919a81c14SSteve Longerbeam {0x3802, 0x00, 0, 0}, {0x3803, 0xfa, 0, 0}, {0x3804, 0x0a, 0, 0}, 48019a81c14SSteve Longerbeam {0x3805, 0x3f, 0, 0}, {0x3806, 0x06, 0, 0}, {0x3807, 0xa9, 0, 0}, 481476dec01SMaxime Ripard {0x3810, 0x00, 0, 0}, 48219a81c14SSteve Longerbeam {0x3811, 0x10, 0, 0}, {0x3812, 0x00, 0, 0}, {0x3813, 0x04, 0, 0}, 48319a81c14SSteve Longerbeam {0x3618, 0x00, 0, 0}, {0x3612, 0x29, 0, 0}, {0x3708, 0x64, 0, 0}, 48419a81c14SSteve Longerbeam {0x3709, 0x52, 0, 0}, {0x370c, 0x03, 0, 0}, {0x3a02, 0x02, 0, 0}, 48519a81c14SSteve Longerbeam {0x3a03, 0xe4, 0, 0}, {0x3a08, 0x01, 0, 0}, {0x3a09, 0xbc, 0, 0}, 48619a81c14SSteve Longerbeam {0x3a0a, 0x01, 0, 0}, {0x3a0b, 0x72, 0, 0}, {0x3a0e, 0x01, 0, 0}, 48719a81c14SSteve Longerbeam {0x3a0d, 0x02, 0, 0}, {0x3a14, 0x02, 0, 0}, {0x3a15, 0xe4, 0, 0}, 4882b5c18f9SChen-Yu Tsai {0x4001, 0x02, 0, 0}, {0x4004, 0x02, 0, 0}, 48919a81c14SSteve Longerbeam {0x4407, 0x04, 0, 0}, {0x460b, 0x37, 0, 0}, {0x460c, 0x20, 0, 0}, 49019a81c14SSteve Longerbeam {0x3824, 0x04, 0, 0}, {0x5001, 0x83, 0, 0}, 49119a81c14SSteve Longerbeam }; 49219a81c14SSteve Longerbeam 493086c25f8SMaxime Ripard static const struct reg_value ov5640_setting_1080P_1920_1080[] = { 494c14d107eSMaxime Ripard {0x3c07, 0x08, 0, 0}, 49519a81c14SSteve Longerbeam {0x3c09, 0x1c, 0, 0}, {0x3c0a, 0x9c, 0, 0}, {0x3c0b, 0x40, 0, 0}, 496ce85705aSHugues Fruchet {0x3814, 0x11, 0, 0}, 49719a81c14SSteve Longerbeam {0x3815, 0x11, 0, 0}, {0x3800, 0x00, 0, 0}, {0x3801, 0x00, 0, 0}, 49819a81c14SSteve Longerbeam {0x3802, 0x00, 0, 0}, {0x3803, 0x00, 0, 0}, {0x3804, 0x0a, 0, 0}, 49919a81c14SSteve Longerbeam {0x3805, 0x3f, 0, 0}, {0x3806, 0x07, 0, 0}, {0x3807, 0x9f, 0, 0}, 500476dec01SMaxime Ripard {0x3810, 0x00, 0, 0}, 50119a81c14SSteve Longerbeam {0x3811, 0x10, 0, 0}, {0x3812, 0x00, 0, 0}, {0x3813, 0x04, 0, 0}, 50219a81c14SSteve Longerbeam {0x3618, 0x04, 0, 0}, {0x3612, 0x29, 0, 0}, {0x3708, 0x21, 0, 0}, 50319a81c14SSteve Longerbeam {0x3709, 0x12, 0, 0}, {0x370c, 0x00, 0, 0}, {0x3a02, 0x03, 0, 0}, 50419a81c14SSteve Longerbeam {0x3a03, 0xd8, 0, 0}, {0x3a08, 0x01, 0, 0}, {0x3a09, 0x27, 0, 0}, 50519a81c14SSteve Longerbeam {0x3a0a, 0x00, 0, 0}, {0x3a0b, 0xf6, 0, 0}, {0x3a0e, 0x03, 0, 0}, 50619a81c14SSteve Longerbeam {0x3a0d, 0x04, 0, 0}, {0x3a14, 0x03, 0, 0}, {0x3a15, 0xd8, 0, 0}, 5072b5c18f9SChen-Yu Tsai {0x4001, 0x02, 0, 0}, {0x4004, 0x06, 0, 0}, 50819a81c14SSteve Longerbeam {0x4407, 0x04, 0, 0}, {0x460b, 0x35, 0, 0}, {0x460c, 0x22, 0, 0}, 509c14d107eSMaxime Ripard {0x3824, 0x02, 0, 0}, {0x5001, 0x83, 0, 0}, 510c14d107eSMaxime Ripard {0x3c07, 0x07, 0, 0}, {0x3c08, 0x00, 0, 0}, 51119a81c14SSteve Longerbeam {0x3c09, 0x1c, 0, 0}, {0x3c0a, 0x9c, 0, 0}, {0x3c0b, 0x40, 0, 0}, 51219a81c14SSteve Longerbeam {0x3800, 0x01, 0, 0}, {0x3801, 0x50, 0, 0}, {0x3802, 0x01, 0, 0}, 51319a81c14SSteve Longerbeam {0x3803, 0xb2, 0, 0}, {0x3804, 0x08, 0, 0}, {0x3805, 0xef, 0, 0}, 51486633417SMaxime Ripard {0x3806, 0x05, 0, 0}, {0x3807, 0xf1, 0, 0}, 515476dec01SMaxime Ripard {0x3612, 0x2b, 0, 0}, {0x3708, 0x64, 0, 0}, 51619a81c14SSteve Longerbeam {0x3a02, 0x04, 0, 0}, {0x3a03, 0x60, 0, 0}, {0x3a08, 0x01, 0, 0}, 51719a81c14SSteve Longerbeam {0x3a09, 0x50, 0, 0}, {0x3a0a, 0x01, 0, 0}, {0x3a0b, 0x18, 0, 0}, 51819a81c14SSteve Longerbeam {0x3a0e, 0x03, 0, 0}, {0x3a0d, 0x04, 0, 0}, {0x3a14, 0x04, 0, 0}, 5192b5c18f9SChen-Yu Tsai {0x3a15, 0x60, 0, 0}, {0x4407, 0x04, 0, 0}, 52019a81c14SSteve Longerbeam {0x460b, 0x37, 0, 0}, {0x460c, 0x20, 0, 0}, {0x3824, 0x04, 0, 0}, 52192b9096cSBenoit Parrot {0x4005, 0x1a, 0, 0}, 52219a81c14SSteve Longerbeam }; 52319a81c14SSteve Longerbeam 524086c25f8SMaxime Ripard static const struct reg_value ov5640_setting_QSXGA_2592_1944[] = { 525c14d107eSMaxime Ripard {0x3c07, 0x08, 0, 0}, 52619a81c14SSteve Longerbeam {0x3c09, 0x1c, 0, 0}, {0x3c0a, 0x9c, 0, 0}, {0x3c0b, 0x40, 0, 0}, 527ce85705aSHugues Fruchet {0x3814, 0x11, 0, 0}, 52819a81c14SSteve Longerbeam {0x3815, 0x11, 0, 0}, {0x3800, 0x00, 0, 0}, {0x3801, 0x00, 0, 0}, 52919a81c14SSteve Longerbeam {0x3802, 0x00, 0, 0}, {0x3803, 0x00, 0, 0}, {0x3804, 0x0a, 0, 0}, 53019a81c14SSteve Longerbeam {0x3805, 0x3f, 0, 0}, {0x3806, 0x07, 0, 0}, {0x3807, 0x9f, 0, 0}, 531476dec01SMaxime Ripard {0x3810, 0x00, 0, 0}, 53219a81c14SSteve Longerbeam {0x3811, 0x10, 0, 0}, {0x3812, 0x00, 0, 0}, {0x3813, 0x04, 0, 0}, 53319a81c14SSteve Longerbeam {0x3618, 0x04, 0, 0}, {0x3612, 0x29, 0, 0}, {0x3708, 0x21, 0, 0}, 53419a81c14SSteve Longerbeam {0x3709, 0x12, 0, 0}, {0x370c, 0x00, 0, 0}, {0x3a02, 0x03, 0, 0}, 53519a81c14SSteve Longerbeam {0x3a03, 0xd8, 0, 0}, {0x3a08, 0x01, 0, 0}, {0x3a09, 0x27, 0, 0}, 53619a81c14SSteve Longerbeam {0x3a0a, 0x00, 0, 0}, {0x3a0b, 0xf6, 0, 0}, {0x3a0e, 0x03, 0, 0}, 53719a81c14SSteve Longerbeam {0x3a0d, 0x04, 0, 0}, {0x3a14, 0x03, 0, 0}, {0x3a15, 0xd8, 0, 0}, 5382b5c18f9SChen-Yu Tsai {0x4001, 0x02, 0, 0}, {0x4004, 0x06, 0, 0}, 53919a81c14SSteve Longerbeam {0x4407, 0x04, 0, 0}, {0x460b, 0x35, 0, 0}, {0x460c, 0x22, 0, 0}, 54019a81c14SSteve Longerbeam {0x3824, 0x02, 0, 0}, {0x5001, 0x83, 0, 70}, 54119a81c14SSteve Longerbeam }; 54219a81c14SSteve Longerbeam 54319a81c14SSteve Longerbeam /* power-on sensor init reg table */ 54419a81c14SSteve Longerbeam static const struct ov5640_mode_info ov5640_mode_init_data = { 545476dec01SMaxime Ripard 0, SUBSAMPLING, 640, 1896, 480, 984, 546476dec01SMaxime Ripard ov5640_init_setting_30fps_VGA, 54719a81c14SSteve Longerbeam ARRAY_SIZE(ov5640_init_setting_30fps_VGA), 5485554c80eSAdam Ford OV5640_30_FPS, 54919a81c14SSteve Longerbeam }; 55019a81c14SSteve Longerbeam 55119a81c14SSteve Longerbeam static const struct ov5640_mode_info 552086c25f8SMaxime Ripard ov5640_mode_data[OV5640_NUM_MODES] = { 553476dec01SMaxime Ripard {OV5640_MODE_QCIF_176_144, SUBSAMPLING, 554476dec01SMaxime Ripard 176, 1896, 144, 984, 555086c25f8SMaxime Ripard ov5640_setting_QCIF_176_144, 5565554c80eSAdam Ford ARRAY_SIZE(ov5640_setting_QCIF_176_144), 5575554c80eSAdam Ford OV5640_30_FPS}, 558476dec01SMaxime Ripard {OV5640_MODE_QVGA_320_240, SUBSAMPLING, 559476dec01SMaxime Ripard 320, 1896, 240, 984, 560086c25f8SMaxime Ripard ov5640_setting_QVGA_320_240, 5615554c80eSAdam Ford ARRAY_SIZE(ov5640_setting_QVGA_320_240), 5625554c80eSAdam Ford OV5640_30_FPS}, 563476dec01SMaxime Ripard {OV5640_MODE_VGA_640_480, SUBSAMPLING, 564476dec01SMaxime Ripard 640, 1896, 480, 1080, 565086c25f8SMaxime Ripard ov5640_setting_VGA_640_480, 5665554c80eSAdam Ford ARRAY_SIZE(ov5640_setting_VGA_640_480), 5675554c80eSAdam Ford OV5640_60_FPS}, 568476dec01SMaxime Ripard {OV5640_MODE_NTSC_720_480, SUBSAMPLING, 569476dec01SMaxime Ripard 720, 1896, 480, 984, 570086c25f8SMaxime Ripard ov5640_setting_NTSC_720_480, 5715554c80eSAdam Ford ARRAY_SIZE(ov5640_setting_NTSC_720_480), 5725554c80eSAdam Ford OV5640_30_FPS}, 573476dec01SMaxime Ripard {OV5640_MODE_PAL_720_576, SUBSAMPLING, 574476dec01SMaxime Ripard 720, 1896, 576, 984, 575086c25f8SMaxime Ripard ov5640_setting_PAL_720_576, 5765554c80eSAdam Ford ARRAY_SIZE(ov5640_setting_PAL_720_576), 5775554c80eSAdam Ford OV5640_30_FPS}, 578476dec01SMaxime Ripard {OV5640_MODE_XGA_1024_768, SUBSAMPLING, 579476dec01SMaxime Ripard 1024, 1896, 768, 1080, 580086c25f8SMaxime Ripard ov5640_setting_XGA_1024_768, 5815554c80eSAdam Ford ARRAY_SIZE(ov5640_setting_XGA_1024_768), 5825554c80eSAdam Ford OV5640_30_FPS}, 583476dec01SMaxime Ripard {OV5640_MODE_720P_1280_720, SUBSAMPLING, 584476dec01SMaxime Ripard 1280, 1892, 720, 740, 585086c25f8SMaxime Ripard ov5640_setting_720P_1280_720, 5865554c80eSAdam Ford ARRAY_SIZE(ov5640_setting_720P_1280_720), 5875554c80eSAdam Ford OV5640_30_FPS}, 588476dec01SMaxime Ripard {OV5640_MODE_1080P_1920_1080, SCALING, 589476dec01SMaxime Ripard 1920, 2500, 1080, 1120, 590086c25f8SMaxime Ripard ov5640_setting_1080P_1920_1080, 5915554c80eSAdam Ford ARRAY_SIZE(ov5640_setting_1080P_1920_1080), 5925554c80eSAdam Ford OV5640_30_FPS}, 593476dec01SMaxime Ripard {OV5640_MODE_QSXGA_2592_1944, SCALING, 594476dec01SMaxime Ripard 2592, 2844, 1944, 1968, 595086c25f8SMaxime Ripard ov5640_setting_QSXGA_2592_1944, 5965554c80eSAdam Ford ARRAY_SIZE(ov5640_setting_QSXGA_2592_1944), 5975554c80eSAdam Ford OV5640_15_FPS}, 59819a81c14SSteve Longerbeam }; 59919a81c14SSteve Longerbeam 60019a81c14SSteve Longerbeam static int ov5640_init_slave_id(struct ov5640_dev *sensor) 60119a81c14SSteve Longerbeam { 60219a81c14SSteve Longerbeam struct i2c_client *client = sensor->i2c_client; 60319a81c14SSteve Longerbeam struct i2c_msg msg; 60419a81c14SSteve Longerbeam u8 buf[3]; 60519a81c14SSteve Longerbeam int ret; 60619a81c14SSteve Longerbeam 60719a81c14SSteve Longerbeam if (client->addr == OV5640_DEFAULT_SLAVE_ID) 60819a81c14SSteve Longerbeam return 0; 60919a81c14SSteve Longerbeam 61019a81c14SSteve Longerbeam buf[0] = OV5640_REG_SLAVE_ID >> 8; 61119a81c14SSteve Longerbeam buf[1] = OV5640_REG_SLAVE_ID & 0xff; 61219a81c14SSteve Longerbeam buf[2] = client->addr << 1; 61319a81c14SSteve Longerbeam 61419a81c14SSteve Longerbeam msg.addr = OV5640_DEFAULT_SLAVE_ID; 61519a81c14SSteve Longerbeam msg.flags = 0; 61619a81c14SSteve Longerbeam msg.buf = buf; 61719a81c14SSteve Longerbeam msg.len = sizeof(buf); 61819a81c14SSteve Longerbeam 61919a81c14SSteve Longerbeam ret = i2c_transfer(client->adapter, &msg, 1); 62019a81c14SSteve Longerbeam if (ret < 0) { 62119a81c14SSteve Longerbeam dev_err(&client->dev, "%s: failed with %d\n", __func__, ret); 62219a81c14SSteve Longerbeam return ret; 62319a81c14SSteve Longerbeam } 62419a81c14SSteve Longerbeam 62519a81c14SSteve Longerbeam return 0; 62619a81c14SSteve Longerbeam } 62719a81c14SSteve Longerbeam 62819a81c14SSteve Longerbeam static int ov5640_write_reg(struct ov5640_dev *sensor, u16 reg, u8 val) 62919a81c14SSteve Longerbeam { 63019a81c14SSteve Longerbeam struct i2c_client *client = sensor->i2c_client; 63119a81c14SSteve Longerbeam struct i2c_msg msg; 63219a81c14SSteve Longerbeam u8 buf[3]; 63319a81c14SSteve Longerbeam int ret; 63419a81c14SSteve Longerbeam 63519a81c14SSteve Longerbeam buf[0] = reg >> 8; 63619a81c14SSteve Longerbeam buf[1] = reg & 0xff; 63719a81c14SSteve Longerbeam buf[2] = val; 63819a81c14SSteve Longerbeam 63919a81c14SSteve Longerbeam msg.addr = client->addr; 64019a81c14SSteve Longerbeam msg.flags = client->flags; 64119a81c14SSteve Longerbeam msg.buf = buf; 64219a81c14SSteve Longerbeam msg.len = sizeof(buf); 64319a81c14SSteve Longerbeam 64419a81c14SSteve Longerbeam ret = i2c_transfer(client->adapter, &msg, 1); 64519a81c14SSteve Longerbeam if (ret < 0) { 6463924c623SHugues Fruchet dev_err(&client->dev, "%s: error: reg=%x, val=%x\n", 64719a81c14SSteve Longerbeam __func__, reg, val); 64819a81c14SSteve Longerbeam return ret; 64919a81c14SSteve Longerbeam } 65019a81c14SSteve Longerbeam 65119a81c14SSteve Longerbeam return 0; 65219a81c14SSteve Longerbeam } 65319a81c14SSteve Longerbeam 65419a81c14SSteve Longerbeam static int ov5640_read_reg(struct ov5640_dev *sensor, u16 reg, u8 *val) 65519a81c14SSteve Longerbeam { 65619a81c14SSteve Longerbeam struct i2c_client *client = sensor->i2c_client; 65719a81c14SSteve Longerbeam struct i2c_msg msg[2]; 65819a81c14SSteve Longerbeam u8 buf[2]; 65919a81c14SSteve Longerbeam int ret; 66019a81c14SSteve Longerbeam 66119a81c14SSteve Longerbeam buf[0] = reg >> 8; 66219a81c14SSteve Longerbeam buf[1] = reg & 0xff; 66319a81c14SSteve Longerbeam 66419a81c14SSteve Longerbeam msg[0].addr = client->addr; 66519a81c14SSteve Longerbeam msg[0].flags = client->flags; 66619a81c14SSteve Longerbeam msg[0].buf = buf; 66719a81c14SSteve Longerbeam msg[0].len = sizeof(buf); 66819a81c14SSteve Longerbeam 66919a81c14SSteve Longerbeam msg[1].addr = client->addr; 67019a81c14SSteve Longerbeam msg[1].flags = client->flags | I2C_M_RD; 67119a81c14SSteve Longerbeam msg[1].buf = buf; 67219a81c14SSteve Longerbeam msg[1].len = 1; 67319a81c14SSteve Longerbeam 67419a81c14SSteve Longerbeam ret = i2c_transfer(client->adapter, msg, 2); 6753924c623SHugues Fruchet if (ret < 0) { 6763924c623SHugues Fruchet dev_err(&client->dev, "%s: error: reg=%x\n", 6773924c623SHugues Fruchet __func__, reg); 67819a81c14SSteve Longerbeam return ret; 6793924c623SHugues Fruchet } 68019a81c14SSteve Longerbeam 68119a81c14SSteve Longerbeam *val = buf[0]; 68219a81c14SSteve Longerbeam return 0; 68319a81c14SSteve Longerbeam } 68419a81c14SSteve Longerbeam 68519a81c14SSteve Longerbeam static int ov5640_read_reg16(struct ov5640_dev *sensor, u16 reg, u16 *val) 68619a81c14SSteve Longerbeam { 68719a81c14SSteve Longerbeam u8 hi, lo; 68819a81c14SSteve Longerbeam int ret; 68919a81c14SSteve Longerbeam 69019a81c14SSteve Longerbeam ret = ov5640_read_reg(sensor, reg, &hi); 69119a81c14SSteve Longerbeam if (ret) 69219a81c14SSteve Longerbeam return ret; 69319a81c14SSteve Longerbeam ret = ov5640_read_reg(sensor, reg + 1, &lo); 69419a81c14SSteve Longerbeam if (ret) 69519a81c14SSteve Longerbeam return ret; 69619a81c14SSteve Longerbeam 69719a81c14SSteve Longerbeam *val = ((u16)hi << 8) | (u16)lo; 69819a81c14SSteve Longerbeam return 0; 69919a81c14SSteve Longerbeam } 70019a81c14SSteve Longerbeam 70119a81c14SSteve Longerbeam static int ov5640_write_reg16(struct ov5640_dev *sensor, u16 reg, u16 val) 70219a81c14SSteve Longerbeam { 70319a81c14SSteve Longerbeam int ret; 70419a81c14SSteve Longerbeam 70519a81c14SSteve Longerbeam ret = ov5640_write_reg(sensor, reg, val >> 8); 70619a81c14SSteve Longerbeam if (ret) 70719a81c14SSteve Longerbeam return ret; 70819a81c14SSteve Longerbeam 70919a81c14SSteve Longerbeam return ov5640_write_reg(sensor, reg + 1, val & 0xff); 71019a81c14SSteve Longerbeam } 71119a81c14SSteve Longerbeam 71219a81c14SSteve Longerbeam static int ov5640_mod_reg(struct ov5640_dev *sensor, u16 reg, 71319a81c14SSteve Longerbeam u8 mask, u8 val) 71419a81c14SSteve Longerbeam { 71519a81c14SSteve Longerbeam u8 readval; 71619a81c14SSteve Longerbeam int ret; 71719a81c14SSteve Longerbeam 71819a81c14SSteve Longerbeam ret = ov5640_read_reg(sensor, reg, &readval); 71919a81c14SSteve Longerbeam if (ret) 72019a81c14SSteve Longerbeam return ret; 72119a81c14SSteve Longerbeam 72219a81c14SSteve Longerbeam readval &= ~mask; 72319a81c14SSteve Longerbeam val &= mask; 72419a81c14SSteve Longerbeam val |= readval; 72519a81c14SSteve Longerbeam 72619a81c14SSteve Longerbeam return ov5640_write_reg(sensor, reg, val); 72719a81c14SSteve Longerbeam } 72819a81c14SSteve Longerbeam 729aa288248SMaxime Ripard /* 730aa288248SMaxime Ripard * After trying the various combinations, reading various 731f8a7647dSMauro Carvalho Chehab * documentations spread around the net, and from the various 732aa288248SMaxime Ripard * feedback, the clock tree is probably as follows: 733aa288248SMaxime Ripard * 734aa288248SMaxime Ripard * +--------------+ 735aa288248SMaxime Ripard * | Ext. Clock | 736aa288248SMaxime Ripard * +-+------------+ 737aa288248SMaxime Ripard * | +----------+ 738aa288248SMaxime Ripard * +->| PLL1 | - reg 0x3036, for the multiplier 739aa288248SMaxime Ripard * +-+--------+ - reg 0x3037, bits 0-3 for the pre-divider 740aa288248SMaxime Ripard * | +--------------+ 741aa288248SMaxime Ripard * +->| System Clock | - reg 0x3035, bits 4-7 742aa288248SMaxime Ripard * +-+------------+ 743aa288248SMaxime Ripard * | +--------------+ 744aa288248SMaxime Ripard * +->| MIPI Divider | - reg 0x3035, bits 0-3 745aa288248SMaxime Ripard * | +-+------------+ 746aa288248SMaxime Ripard * | +----------------> MIPI SCLK 747aa288248SMaxime Ripard * | + +-----+ 748aa288248SMaxime Ripard * | +->| / 2 |-------> MIPI BIT CLK 749aa288248SMaxime Ripard * | +-----+ 750aa288248SMaxime Ripard * | +--------------+ 751aa288248SMaxime Ripard * +->| PLL Root Div | - reg 0x3037, bit 4 752aa288248SMaxime Ripard * +-+------------+ 753aa288248SMaxime Ripard * | +---------+ 7544c85f628SPaul Kocialkowski * +->| Bit Div | - reg 0x3034, bits 0-3 755aa288248SMaxime Ripard * +-+-------+ 756aa288248SMaxime Ripard * | +-------------+ 757aa288248SMaxime Ripard * +->| SCLK Div | - reg 0x3108, bits 0-1 758aa288248SMaxime Ripard * | +-+-----------+ 759aa288248SMaxime Ripard * | +---------------> SCLK 760aa288248SMaxime Ripard * | +-------------+ 761aa288248SMaxime Ripard * +->| SCLK 2X Div | - reg 0x3108, bits 2-3 762aa288248SMaxime Ripard * | +-+-----------+ 763aa288248SMaxime Ripard * | +---------------> SCLK 2X 764aa288248SMaxime Ripard * | +-------------+ 765aa288248SMaxime Ripard * +->| PCLK Div | - reg 0x3108, bits 4-5 766aa288248SMaxime Ripard * ++------------+ 767aa288248SMaxime Ripard * + +-----------+ 768aa288248SMaxime Ripard * +->| P_DIV | - reg 0x3035, bits 0-3 769aa288248SMaxime Ripard * +-----+-----+ 770aa288248SMaxime Ripard * +------------> PCLK 771aa288248SMaxime Ripard * 772aa288248SMaxime Ripard * This is deviating from the datasheet at least for the register 773aa288248SMaxime Ripard * 0x3108, since it's said here that the PCLK would be clocked from 774aa288248SMaxime Ripard * the PLL. 775aa288248SMaxime Ripard * 776aa288248SMaxime Ripard * There seems to be also (unverified) constraints: 777aa288248SMaxime Ripard * - the PLL pre-divider output rate should be in the 4-27MHz range 778aa288248SMaxime Ripard * - the PLL multiplier output rate should be in the 500-1000MHz range 779aa288248SMaxime Ripard * - PCLK >= SCLK * 2 in YUV, >= SCLK in Raw or JPEG 780aa288248SMaxime Ripard * 781aa288248SMaxime Ripard * In the two latter cases, these constraints are met since our 782aa288248SMaxime Ripard * factors are hardcoded. If we were to change that, we would need to 783aa288248SMaxime Ripard * take this into account. The only varying parts are the PLL 784aa288248SMaxime Ripard * multiplier and the system clock divider, which are shared between 785aa288248SMaxime Ripard * all these clocks so won't cause any issue. 786aa288248SMaxime Ripard */ 787aa288248SMaxime Ripard 788aa288248SMaxime Ripard /* 789aa288248SMaxime Ripard * This is supposed to be ranging from 1 to 8, but the value is always 790aa288248SMaxime Ripard * set to 3 in the vendor kernels. 791aa288248SMaxime Ripard */ 792aa288248SMaxime Ripard #define OV5640_PLL_PREDIV 3 793aa288248SMaxime Ripard 794aa288248SMaxime Ripard #define OV5640_PLL_MULT_MIN 4 795aa288248SMaxime Ripard #define OV5640_PLL_MULT_MAX 252 796aa288248SMaxime Ripard 797aa288248SMaxime Ripard /* 798aa288248SMaxime Ripard * This is supposed to be ranging from 1 to 16, but the value is 799aa288248SMaxime Ripard * always set to either 1 or 2 in the vendor kernels. 800aa288248SMaxime Ripard */ 801aa288248SMaxime Ripard #define OV5640_SYSDIV_MIN 1 802aa288248SMaxime Ripard #define OV5640_SYSDIV_MAX 16 803aa288248SMaxime Ripard 804aa288248SMaxime Ripard /* 805aa288248SMaxime Ripard * Hardcode these values for scaler and non-scaler modes. 806aa288248SMaxime Ripard * FIXME: to be re-calcualted for 1 data lanes setups 807aa288248SMaxime Ripard */ 808aa288248SMaxime Ripard #define OV5640_MIPI_DIV_PCLK 2 809aa288248SMaxime Ripard #define OV5640_MIPI_DIV_SCLK 1 810aa288248SMaxime Ripard 811aa288248SMaxime Ripard /* 812aa288248SMaxime Ripard * This is supposed to be ranging from 1 to 2, but the value is always 813aa288248SMaxime Ripard * set to 2 in the vendor kernels. 814aa288248SMaxime Ripard */ 815aa288248SMaxime Ripard #define OV5640_PLL_ROOT_DIV 2 816aa288248SMaxime Ripard #define OV5640_PLL_CTRL3_PLL_ROOT_DIV_2 BIT(4) 817aa288248SMaxime Ripard 818aa288248SMaxime Ripard /* 819aa288248SMaxime Ripard * We only supports 8-bit formats at the moment 820aa288248SMaxime Ripard */ 821aa288248SMaxime Ripard #define OV5640_BIT_DIV 2 822aa288248SMaxime Ripard #define OV5640_PLL_CTRL0_MIPI_MODE_8BIT 0x08 823aa288248SMaxime Ripard 824aa288248SMaxime Ripard /* 825aa288248SMaxime Ripard * This is supposed to be ranging from 1 to 8, but the value is always 826aa288248SMaxime Ripard * set to 2 in the vendor kernels. 827aa288248SMaxime Ripard */ 828aa288248SMaxime Ripard #define OV5640_SCLK_ROOT_DIV 2 829aa288248SMaxime Ripard 830aa288248SMaxime Ripard /* 831aa288248SMaxime Ripard * This is hardcoded so that the consistency is maintained between SCLK and 832aa288248SMaxime Ripard * SCLK 2x. 833aa288248SMaxime Ripard */ 834aa288248SMaxime Ripard #define OV5640_SCLK2X_ROOT_DIV (OV5640_SCLK_ROOT_DIV / 2) 835aa288248SMaxime Ripard 836aa288248SMaxime Ripard /* 837aa288248SMaxime Ripard * This is supposed to be ranging from 1 to 8, but the value is always 838aa288248SMaxime Ripard * set to 1 in the vendor kernels. 839aa288248SMaxime Ripard */ 840aa288248SMaxime Ripard #define OV5640_PCLK_ROOT_DIV 1 841aa288248SMaxime Ripard #define OV5640_PLL_SYS_ROOT_DIVIDER_BYPASS 0x00 842aa288248SMaxime Ripard 843aa288248SMaxime Ripard static unsigned long ov5640_compute_sys_clk(struct ov5640_dev *sensor, 844aa288248SMaxime Ripard u8 pll_prediv, u8 pll_mult, 845aa288248SMaxime Ripard u8 sysdiv) 846aa288248SMaxime Ripard { 847aa288248SMaxime Ripard unsigned long sysclk = sensor->xclk_freq / pll_prediv * pll_mult; 848aa288248SMaxime Ripard 849aa288248SMaxime Ripard /* PLL1 output cannot exceed 1GHz. */ 850aa288248SMaxime Ripard if (sysclk / 1000000 > 1000) 851aa288248SMaxime Ripard return 0; 852aa288248SMaxime Ripard 853aa288248SMaxime Ripard return sysclk / sysdiv; 854aa288248SMaxime Ripard } 855aa288248SMaxime Ripard 856aa288248SMaxime Ripard static unsigned long ov5640_calc_sys_clk(struct ov5640_dev *sensor, 857aa288248SMaxime Ripard unsigned long rate, 858aa288248SMaxime Ripard u8 *pll_prediv, u8 *pll_mult, 859aa288248SMaxime Ripard u8 *sysdiv) 860aa288248SMaxime Ripard { 861aa288248SMaxime Ripard unsigned long best = ~0; 862aa288248SMaxime Ripard u8 best_sysdiv = 1, best_mult = 1; 863aa288248SMaxime Ripard u8 _sysdiv, _pll_mult; 864aa288248SMaxime Ripard 865aa288248SMaxime Ripard for (_sysdiv = OV5640_SYSDIV_MIN; 866aa288248SMaxime Ripard _sysdiv <= OV5640_SYSDIV_MAX; 867aa288248SMaxime Ripard _sysdiv++) { 868aa288248SMaxime Ripard for (_pll_mult = OV5640_PLL_MULT_MIN; 869aa288248SMaxime Ripard _pll_mult <= OV5640_PLL_MULT_MAX; 870aa288248SMaxime Ripard _pll_mult++) { 871aa288248SMaxime Ripard unsigned long _rate; 872aa288248SMaxime Ripard 873aa288248SMaxime Ripard /* 874aa288248SMaxime Ripard * The PLL multiplier cannot be odd if above 875aa288248SMaxime Ripard * 127. 876aa288248SMaxime Ripard */ 877aa288248SMaxime Ripard if (_pll_mult > 127 && (_pll_mult % 2)) 878aa288248SMaxime Ripard continue; 879aa288248SMaxime Ripard 880aa288248SMaxime Ripard _rate = ov5640_compute_sys_clk(sensor, 881aa288248SMaxime Ripard OV5640_PLL_PREDIV, 882aa288248SMaxime Ripard _pll_mult, _sysdiv); 883aa288248SMaxime Ripard 884aa288248SMaxime Ripard /* 885aa288248SMaxime Ripard * We have reached the maximum allowed PLL1 output, 886aa288248SMaxime Ripard * increase sysdiv. 887aa288248SMaxime Ripard */ 8882e3df204SAdam Ford if (!_rate) 889aa288248SMaxime Ripard break; 890aa288248SMaxime Ripard 891aa288248SMaxime Ripard /* 892aa288248SMaxime Ripard * Prefer rates above the expected clock rate than 893aa288248SMaxime Ripard * below, even if that means being less precise. 894aa288248SMaxime Ripard */ 895aa288248SMaxime Ripard if (_rate < rate) 896aa288248SMaxime Ripard continue; 897aa288248SMaxime Ripard 898aa288248SMaxime Ripard if (abs(rate - _rate) < abs(rate - best)) { 899aa288248SMaxime Ripard best = _rate; 900aa288248SMaxime Ripard best_sysdiv = _sysdiv; 901aa288248SMaxime Ripard best_mult = _pll_mult; 902aa288248SMaxime Ripard } 903aa288248SMaxime Ripard 904aa288248SMaxime Ripard if (_rate == rate) 905aa288248SMaxime Ripard goto out; 906aa288248SMaxime Ripard } 907aa288248SMaxime Ripard } 908aa288248SMaxime Ripard 909aa288248SMaxime Ripard out: 910aa288248SMaxime Ripard *sysdiv = best_sysdiv; 911aa288248SMaxime Ripard *pll_prediv = OV5640_PLL_PREDIV; 912aa288248SMaxime Ripard *pll_mult = best_mult; 913aa288248SMaxime Ripard 914aa288248SMaxime Ripard return best; 915aa288248SMaxime Ripard } 916aa288248SMaxime Ripard 917aa288248SMaxime Ripard /* 918aa288248SMaxime Ripard * ov5640_set_mipi_pclk() - Calculate the clock tree configuration values 919aa288248SMaxime Ripard * for the MIPI CSI-2 output. 920aa288248SMaxime Ripard * 921aa288248SMaxime Ripard * @rate: The requested bandwidth per lane in bytes per second. 922aa288248SMaxime Ripard * 'Bandwidth Per Lane' is calculated as: 923aa288248SMaxime Ripard * bpl = HTOT * VTOT * FPS * bpp / num_lanes; 924aa288248SMaxime Ripard * 925aa288248SMaxime Ripard * This function use the requested bandwidth to calculate: 926aa288248SMaxime Ripard * - sample_rate = bpl / (bpp / num_lanes); 927aa288248SMaxime Ripard * = bpl / (PLL_RDIV * BIT_DIV * PCLK_DIV * MIPI_DIV / num_lanes); 928aa288248SMaxime Ripard * 929aa288248SMaxime Ripard * - mipi_sclk = bpl / MIPI_DIV / 2; ( / 2 is for CSI-2 DDR) 930aa288248SMaxime Ripard * 931aa288248SMaxime Ripard * with these fixed parameters: 932aa288248SMaxime Ripard * PLL_RDIV = 2; 933aa288248SMaxime Ripard * BIT_DIVIDER = 2; (MIPI_BIT_MODE == 8 ? 2 : 2,5); 934aa288248SMaxime Ripard * PCLK_DIV = 1; 935aa288248SMaxime Ripard * 936aa288248SMaxime Ripard * The MIPI clock generation differs for modes that use the scaler and modes 937aa288248SMaxime Ripard * that do not. In case the scaler is in use, the MIPI_SCLK generates the MIPI 938aa288248SMaxime Ripard * BIT CLk, and thus: 939aa288248SMaxime Ripard * 940aa288248SMaxime Ripard * - mipi_sclk = bpl / MIPI_DIV / 2; 941aa288248SMaxime Ripard * MIPI_DIV = 1; 942aa288248SMaxime Ripard * 943aa288248SMaxime Ripard * For modes that do not go through the scaler, the MIPI BIT CLOCK is generated 944aa288248SMaxime Ripard * from the pixel clock, and thus: 945aa288248SMaxime Ripard * 946aa288248SMaxime Ripard * - sample_rate = bpl / (bpp / num_lanes); 947aa288248SMaxime Ripard * = bpl / (2 * 2 * 1 * MIPI_DIV / num_lanes); 948aa288248SMaxime Ripard * = bpl / (4 * MIPI_DIV / num_lanes); 949aa288248SMaxime Ripard * - MIPI_DIV = bpp / (4 * num_lanes); 950aa288248SMaxime Ripard * 951aa288248SMaxime Ripard * FIXME: this have been tested with 16bpp and 2 lanes setup only. 952aa288248SMaxime Ripard * MIPI_DIV is fixed to value 2, but it -might- be changed according to the 953aa288248SMaxime Ripard * above formula for setups with 1 lane or image formats with different bpp. 954aa288248SMaxime Ripard * 955aa288248SMaxime Ripard * FIXME: this deviates from the sensor manual documentation which is quite 956aa288248SMaxime Ripard * thin on the MIPI clock tree generation part. 957aa288248SMaxime Ripard */ 958aa288248SMaxime Ripard static int ov5640_set_mipi_pclk(struct ov5640_dev *sensor, 959aa288248SMaxime Ripard unsigned long rate) 960aa288248SMaxime Ripard { 961aa288248SMaxime Ripard const struct ov5640_mode_info *mode = sensor->current_mode; 962aa288248SMaxime Ripard u8 prediv, mult, sysdiv; 963aa288248SMaxime Ripard u8 mipi_div; 964aa288248SMaxime Ripard int ret; 965aa288248SMaxime Ripard 966aa288248SMaxime Ripard /* 967aa288248SMaxime Ripard * 1280x720 is reported to use 'SUBSAMPLING' only, 968aa288248SMaxime Ripard * but according to the sensor manual it goes through the 969aa288248SMaxime Ripard * scaler before subsampling. 970aa288248SMaxime Ripard */ 971aa288248SMaxime Ripard if (mode->dn_mode == SCALING || 972aa288248SMaxime Ripard (mode->id == OV5640_MODE_720P_1280_720)) 973aa288248SMaxime Ripard mipi_div = OV5640_MIPI_DIV_SCLK; 974aa288248SMaxime Ripard else 975aa288248SMaxime Ripard mipi_div = OV5640_MIPI_DIV_PCLK; 976aa288248SMaxime Ripard 977aa288248SMaxime Ripard ov5640_calc_sys_clk(sensor, rate, &prediv, &mult, &sysdiv); 978aa288248SMaxime Ripard 979aa288248SMaxime Ripard ret = ov5640_mod_reg(sensor, OV5640_REG_SC_PLL_CTRL0, 980aa288248SMaxime Ripard 0x0f, OV5640_PLL_CTRL0_MIPI_MODE_8BIT); 981aa288248SMaxime Ripard 982aa288248SMaxime Ripard ret = ov5640_mod_reg(sensor, OV5640_REG_SC_PLL_CTRL1, 983aa288248SMaxime Ripard 0xff, sysdiv << 4 | mipi_div); 984aa288248SMaxime Ripard if (ret) 985aa288248SMaxime Ripard return ret; 986aa288248SMaxime Ripard 987aa288248SMaxime Ripard ret = ov5640_mod_reg(sensor, OV5640_REG_SC_PLL_CTRL2, 0xff, mult); 988aa288248SMaxime Ripard if (ret) 989aa288248SMaxime Ripard return ret; 990aa288248SMaxime Ripard 991aa288248SMaxime Ripard ret = ov5640_mod_reg(sensor, OV5640_REG_SC_PLL_CTRL3, 992aa288248SMaxime Ripard 0x1f, OV5640_PLL_CTRL3_PLL_ROOT_DIV_2 | prediv); 993aa288248SMaxime Ripard if (ret) 994aa288248SMaxime Ripard return ret; 995aa288248SMaxime Ripard 996aa288248SMaxime Ripard return ov5640_mod_reg(sensor, OV5640_REG_SYS_ROOT_DIVIDER, 997aa288248SMaxime Ripard 0x30, OV5640_PLL_SYS_ROOT_DIVIDER_BYPASS); 998aa288248SMaxime Ripard } 999aa288248SMaxime Ripard 1000aa288248SMaxime Ripard static unsigned long ov5640_calc_pclk(struct ov5640_dev *sensor, 1001aa288248SMaxime Ripard unsigned long rate, 1002aa288248SMaxime Ripard u8 *pll_prediv, u8 *pll_mult, u8 *sysdiv, 1003aa288248SMaxime Ripard u8 *pll_rdiv, u8 *bit_div, u8 *pclk_div) 1004aa288248SMaxime Ripard { 1005aa288248SMaxime Ripard unsigned long _rate = rate * OV5640_PLL_ROOT_DIV * OV5640_BIT_DIV * 1006aa288248SMaxime Ripard OV5640_PCLK_ROOT_DIV; 1007aa288248SMaxime Ripard 1008aa288248SMaxime Ripard _rate = ov5640_calc_sys_clk(sensor, _rate, pll_prediv, pll_mult, 1009aa288248SMaxime Ripard sysdiv); 1010aa288248SMaxime Ripard *pll_rdiv = OV5640_PLL_ROOT_DIV; 1011aa288248SMaxime Ripard *bit_div = OV5640_BIT_DIV; 1012aa288248SMaxime Ripard *pclk_div = OV5640_PCLK_ROOT_DIV; 1013aa288248SMaxime Ripard 1014aa288248SMaxime Ripard return _rate / *pll_rdiv / *bit_div / *pclk_div; 1015aa288248SMaxime Ripard } 1016aa288248SMaxime Ripard 1017aa288248SMaxime Ripard static int ov5640_set_dvp_pclk(struct ov5640_dev *sensor, unsigned long rate) 1018aa288248SMaxime Ripard { 1019aa288248SMaxime Ripard u8 prediv, mult, sysdiv, pll_rdiv, bit_div, pclk_div; 1020aa288248SMaxime Ripard int ret; 1021aa288248SMaxime Ripard 1022aa288248SMaxime Ripard ov5640_calc_pclk(sensor, rate, &prediv, &mult, &sysdiv, &pll_rdiv, 1023aa288248SMaxime Ripard &bit_div, &pclk_div); 1024aa288248SMaxime Ripard 1025aa288248SMaxime Ripard if (bit_div == 2) 1026aa288248SMaxime Ripard bit_div = 8; 1027aa288248SMaxime Ripard 1028aa288248SMaxime Ripard ret = ov5640_mod_reg(sensor, OV5640_REG_SC_PLL_CTRL0, 1029aa288248SMaxime Ripard 0x0f, bit_div); 1030aa288248SMaxime Ripard if (ret) 1031aa288248SMaxime Ripard return ret; 1032aa288248SMaxime Ripard 1033aa288248SMaxime Ripard /* 1034aa288248SMaxime Ripard * We need to set sysdiv according to the clock, and to clear 1035aa288248SMaxime Ripard * the MIPI divider. 1036aa288248SMaxime Ripard */ 1037aa288248SMaxime Ripard ret = ov5640_mod_reg(sensor, OV5640_REG_SC_PLL_CTRL1, 1038aa288248SMaxime Ripard 0xff, sysdiv << 4); 1039aa288248SMaxime Ripard if (ret) 1040aa288248SMaxime Ripard return ret; 1041aa288248SMaxime Ripard 1042aa288248SMaxime Ripard ret = ov5640_mod_reg(sensor, OV5640_REG_SC_PLL_CTRL2, 1043aa288248SMaxime Ripard 0xff, mult); 1044aa288248SMaxime Ripard if (ret) 1045aa288248SMaxime Ripard return ret; 1046aa288248SMaxime Ripard 1047aa288248SMaxime Ripard ret = ov5640_mod_reg(sensor, OV5640_REG_SC_PLL_CTRL3, 1048aa288248SMaxime Ripard 0x1f, prediv | ((pll_rdiv - 1) << 4)); 1049aa288248SMaxime Ripard if (ret) 1050aa288248SMaxime Ripard return ret; 1051aa288248SMaxime Ripard 1052aa288248SMaxime Ripard return ov5640_mod_reg(sensor, OV5640_REG_SYS_ROOT_DIVIDER, 0x30, 1053aa288248SMaxime Ripard (ilog2(pclk_div) << 4)); 1054aa288248SMaxime Ripard } 1055aa288248SMaxime Ripard 10567cb013b1SChen-Yu Tsai /* set JPEG framing sizes */ 10577cb013b1SChen-Yu Tsai static int ov5640_set_jpeg_timings(struct ov5640_dev *sensor, 10587cb013b1SChen-Yu Tsai const struct ov5640_mode_info *mode) 10597cb013b1SChen-Yu Tsai { 10607cb013b1SChen-Yu Tsai int ret; 10617cb013b1SChen-Yu Tsai 10622b5c18f9SChen-Yu Tsai /* 10632b5c18f9SChen-Yu Tsai * compression mode 3 timing 10642b5c18f9SChen-Yu Tsai * 10652b5c18f9SChen-Yu Tsai * Data is transmitted with programmable width (VFIFO_HSIZE). 10662b5c18f9SChen-Yu Tsai * No padding done. Last line may have less data. Varying 10672b5c18f9SChen-Yu Tsai * number of lines per frame, depending on amount of data. 10682b5c18f9SChen-Yu Tsai */ 10692b5c18f9SChen-Yu Tsai ret = ov5640_mod_reg(sensor, OV5640_REG_JPG_MODE_SELECT, 0x7, 0x3); 10702b5c18f9SChen-Yu Tsai if (ret < 0) 10712b5c18f9SChen-Yu Tsai return ret; 10722b5c18f9SChen-Yu Tsai 10737cb013b1SChen-Yu Tsai ret = ov5640_write_reg16(sensor, OV5640_REG_VFIFO_HSIZE, mode->hact); 10747cb013b1SChen-Yu Tsai if (ret < 0) 10757cb013b1SChen-Yu Tsai return ret; 10767cb013b1SChen-Yu Tsai 10777cb013b1SChen-Yu Tsai return ov5640_write_reg16(sensor, OV5640_REG_VFIFO_VSIZE, mode->vact); 10787cb013b1SChen-Yu Tsai } 10797cb013b1SChen-Yu Tsai 108019a81c14SSteve Longerbeam /* download ov5640 settings to sensor through i2c */ 1081bad1774eSJacopo Mondi static int ov5640_set_timings(struct ov5640_dev *sensor, 1082bad1774eSJacopo Mondi const struct ov5640_mode_info *mode) 1083bad1774eSJacopo Mondi { 1084bad1774eSJacopo Mondi int ret; 1085bad1774eSJacopo Mondi 10867cb013b1SChen-Yu Tsai if (sensor->fmt.code == MEDIA_BUS_FMT_JPEG_1X8) { 10877cb013b1SChen-Yu Tsai ret = ov5640_set_jpeg_timings(sensor, mode); 10887cb013b1SChen-Yu Tsai if (ret < 0) 10897cb013b1SChen-Yu Tsai return ret; 10907cb013b1SChen-Yu Tsai } 10917cb013b1SChen-Yu Tsai 1092bad1774eSJacopo Mondi ret = ov5640_write_reg16(sensor, OV5640_REG_TIMING_DVPHO, mode->hact); 1093bad1774eSJacopo Mondi if (ret < 0) 1094bad1774eSJacopo Mondi return ret; 1095bad1774eSJacopo Mondi 1096bad1774eSJacopo Mondi ret = ov5640_write_reg16(sensor, OV5640_REG_TIMING_DVPVO, mode->vact); 1097bad1774eSJacopo Mondi if (ret < 0) 1098bad1774eSJacopo Mondi return ret; 1099bad1774eSJacopo Mondi 1100bad1774eSJacopo Mondi ret = ov5640_write_reg16(sensor, OV5640_REG_TIMING_HTS, mode->htot); 1101bad1774eSJacopo Mondi if (ret < 0) 1102bad1774eSJacopo Mondi return ret; 1103bad1774eSJacopo Mondi 1104bad1774eSJacopo Mondi return ov5640_write_reg16(sensor, OV5640_REG_TIMING_VTS, mode->vtot); 1105bad1774eSJacopo Mondi } 1106bad1774eSJacopo Mondi 110719a81c14SSteve Longerbeam static int ov5640_load_regs(struct ov5640_dev *sensor, 110819a81c14SSteve Longerbeam const struct ov5640_mode_info *mode) 110919a81c14SSteve Longerbeam { 111019a81c14SSteve Longerbeam const struct reg_value *regs = mode->reg_data; 111119a81c14SSteve Longerbeam unsigned int i; 111219a81c14SSteve Longerbeam u32 delay_ms; 111319a81c14SSteve Longerbeam u16 reg_addr; 111419a81c14SSteve Longerbeam u8 mask, val; 111519a81c14SSteve Longerbeam int ret = 0; 111619a81c14SSteve Longerbeam 111719a81c14SSteve Longerbeam for (i = 0; i < mode->reg_data_size; ++i, ++regs) { 111819a81c14SSteve Longerbeam delay_ms = regs->delay_ms; 111919a81c14SSteve Longerbeam reg_addr = regs->reg_addr; 112019a81c14SSteve Longerbeam val = regs->val; 112119a81c14SSteve Longerbeam mask = regs->mask; 112219a81c14SSteve Longerbeam 112319a81c14SSteve Longerbeam if (mask) 112419a81c14SSteve Longerbeam ret = ov5640_mod_reg(sensor, reg_addr, mask, val); 112519a81c14SSteve Longerbeam else 112619a81c14SSteve Longerbeam ret = ov5640_write_reg(sensor, reg_addr, val); 112719a81c14SSteve Longerbeam if (ret) 112819a81c14SSteve Longerbeam break; 112919a81c14SSteve Longerbeam 113019a81c14SSteve Longerbeam if (delay_ms) 113119a81c14SSteve Longerbeam usleep_range(1000 * delay_ms, 1000 * delay_ms + 100); 113219a81c14SSteve Longerbeam } 113319a81c14SSteve Longerbeam 1134bad1774eSJacopo Mondi return ov5640_set_timings(sensor, mode); 113519a81c14SSteve Longerbeam } 113619a81c14SSteve Longerbeam 1137dc29a1c1SHugues Fruchet static int ov5640_set_autoexposure(struct ov5640_dev *sensor, bool on) 1138dc29a1c1SHugues Fruchet { 1139dc29a1c1SHugues Fruchet return ov5640_mod_reg(sensor, OV5640_REG_AEC_PK_MANUAL, 1140dc29a1c1SHugues Fruchet BIT(0), on ? 0 : BIT(0)); 1141dc29a1c1SHugues Fruchet } 1142dc29a1c1SHugues Fruchet 114319a81c14SSteve Longerbeam /* read exposure, in number of line periods */ 114419a81c14SSteve Longerbeam static int ov5640_get_exposure(struct ov5640_dev *sensor) 114519a81c14SSteve Longerbeam { 114619a81c14SSteve Longerbeam int exp, ret; 114719a81c14SSteve Longerbeam u8 temp; 114819a81c14SSteve Longerbeam 114919a81c14SSteve Longerbeam ret = ov5640_read_reg(sensor, OV5640_REG_AEC_PK_EXPOSURE_HI, &temp); 115019a81c14SSteve Longerbeam if (ret) 115119a81c14SSteve Longerbeam return ret; 115219a81c14SSteve Longerbeam exp = ((int)temp & 0x0f) << 16; 115319a81c14SSteve Longerbeam ret = ov5640_read_reg(sensor, OV5640_REG_AEC_PK_EXPOSURE_MED, &temp); 115419a81c14SSteve Longerbeam if (ret) 115519a81c14SSteve Longerbeam return ret; 115619a81c14SSteve Longerbeam exp |= ((int)temp << 8); 115719a81c14SSteve Longerbeam ret = ov5640_read_reg(sensor, OV5640_REG_AEC_PK_EXPOSURE_LO, &temp); 115819a81c14SSteve Longerbeam if (ret) 115919a81c14SSteve Longerbeam return ret; 116019a81c14SSteve Longerbeam exp |= (int)temp; 116119a81c14SSteve Longerbeam 116219a81c14SSteve Longerbeam return exp >> 4; 116319a81c14SSteve Longerbeam } 116419a81c14SSteve Longerbeam 116519a81c14SSteve Longerbeam /* write exposure, given number of line periods */ 116619a81c14SSteve Longerbeam static int ov5640_set_exposure(struct ov5640_dev *sensor, u32 exposure) 116719a81c14SSteve Longerbeam { 116819a81c14SSteve Longerbeam int ret; 116919a81c14SSteve Longerbeam 117019a81c14SSteve Longerbeam exposure <<= 4; 117119a81c14SSteve Longerbeam 117219a81c14SSteve Longerbeam ret = ov5640_write_reg(sensor, 117319a81c14SSteve Longerbeam OV5640_REG_AEC_PK_EXPOSURE_LO, 117419a81c14SSteve Longerbeam exposure & 0xff); 117519a81c14SSteve Longerbeam if (ret) 117619a81c14SSteve Longerbeam return ret; 117719a81c14SSteve Longerbeam ret = ov5640_write_reg(sensor, 117819a81c14SSteve Longerbeam OV5640_REG_AEC_PK_EXPOSURE_MED, 117919a81c14SSteve Longerbeam (exposure >> 8) & 0xff); 118019a81c14SSteve Longerbeam if (ret) 118119a81c14SSteve Longerbeam return ret; 118219a81c14SSteve Longerbeam return ov5640_write_reg(sensor, 118319a81c14SSteve Longerbeam OV5640_REG_AEC_PK_EXPOSURE_HI, 118419a81c14SSteve Longerbeam (exposure >> 16) & 0x0f); 118519a81c14SSteve Longerbeam } 118619a81c14SSteve Longerbeam 118719a81c14SSteve Longerbeam static int ov5640_get_gain(struct ov5640_dev *sensor) 118819a81c14SSteve Longerbeam { 118919a81c14SSteve Longerbeam u16 gain; 119019a81c14SSteve Longerbeam int ret; 119119a81c14SSteve Longerbeam 119219a81c14SSteve Longerbeam ret = ov5640_read_reg16(sensor, OV5640_REG_AEC_PK_REAL_GAIN, &gain); 119319a81c14SSteve Longerbeam if (ret) 119419a81c14SSteve Longerbeam return ret; 119519a81c14SSteve Longerbeam 119619a81c14SSteve Longerbeam return gain & 0x3ff; 119719a81c14SSteve Longerbeam } 119819a81c14SSteve Longerbeam 11993cca8ef5SHugues Fruchet static int ov5640_set_gain(struct ov5640_dev *sensor, int gain) 12003cca8ef5SHugues Fruchet { 12013cca8ef5SHugues Fruchet return ov5640_write_reg16(sensor, OV5640_REG_AEC_PK_REAL_GAIN, 12023cca8ef5SHugues Fruchet (u16)gain & 0x3ff); 12033cca8ef5SHugues Fruchet } 12043cca8ef5SHugues Fruchet 12053cca8ef5SHugues Fruchet static int ov5640_set_autogain(struct ov5640_dev *sensor, bool on) 12063cca8ef5SHugues Fruchet { 12073cca8ef5SHugues Fruchet return ov5640_mod_reg(sensor, OV5640_REG_AEC_PK_MANUAL, 12083cca8ef5SHugues Fruchet BIT(1), on ? 0 : BIT(1)); 12093cca8ef5SHugues Fruchet } 12103cca8ef5SHugues Fruchet 1211f22996dbSHugues Fruchet static int ov5640_set_stream_dvp(struct ov5640_dev *sensor, bool on) 1212f22996dbSHugues Fruchet { 1213f22996dbSHugues Fruchet int ret; 1214f22996dbSHugues Fruchet unsigned int flags = sensor->ep.bus.parallel.flags; 1215f22996dbSHugues Fruchet u8 pclk_pol = 0; 1216f22996dbSHugues Fruchet u8 hsync_pol = 0; 1217f22996dbSHugues Fruchet u8 vsync_pol = 0; 1218f22996dbSHugues Fruchet 1219f22996dbSHugues Fruchet /* 1220f22996dbSHugues Fruchet * Note about parallel port configuration. 1221f22996dbSHugues Fruchet * 1222f22996dbSHugues Fruchet * When configured in parallel mode, the OV5640 will 1223f22996dbSHugues Fruchet * output 10 bits data on DVP data lines [9:0]. 1224f22996dbSHugues Fruchet * If only 8 bits data are wanted, the 8 bits data lines 1225f22996dbSHugues Fruchet * of the camera interface must be physically connected 1226f22996dbSHugues Fruchet * on the DVP data lines [9:2]. 1227f22996dbSHugues Fruchet * 1228f22996dbSHugues Fruchet * Control lines polarity can be configured through 1229f22996dbSHugues Fruchet * devicetree endpoint control lines properties. 1230f22996dbSHugues Fruchet * If no endpoint control lines properties are set, 1231f22996dbSHugues Fruchet * polarity will be as below: 1232f22996dbSHugues Fruchet * - VSYNC: active high 1233f22996dbSHugues Fruchet * - HREF: active low 1234f22996dbSHugues Fruchet * - PCLK: active low 1235f22996dbSHugues Fruchet */ 1236f22996dbSHugues Fruchet 1237f22996dbSHugues Fruchet if (on) { 1238f22996dbSHugues Fruchet /* 1239f22996dbSHugues Fruchet * configure parallel port control lines polarity 1240f22996dbSHugues Fruchet * 1241f22996dbSHugues Fruchet * POLARITY CTRL0 1242f22996dbSHugues Fruchet * - [5]: PCLK polarity (0: active low, 1: active high) 1243f22996dbSHugues Fruchet * - [1]: HREF polarity (0: active low, 1: active high) 1244f22996dbSHugues Fruchet * - [0]: VSYNC polarity (mismatch here between 1245f22996dbSHugues Fruchet * datasheet and hardware, 0 is active high 1246f22996dbSHugues Fruchet * and 1 is active low...) 1247f22996dbSHugues Fruchet */ 1248f22996dbSHugues Fruchet if (flags & V4L2_MBUS_PCLK_SAMPLE_RISING) 1249f22996dbSHugues Fruchet pclk_pol = 1; 1250f22996dbSHugues Fruchet if (flags & V4L2_MBUS_HSYNC_ACTIVE_HIGH) 1251f22996dbSHugues Fruchet hsync_pol = 1; 1252f22996dbSHugues Fruchet if (flags & V4L2_MBUS_VSYNC_ACTIVE_LOW) 1253f22996dbSHugues Fruchet vsync_pol = 1; 1254f22996dbSHugues Fruchet 1255f22996dbSHugues Fruchet ret = ov5640_write_reg(sensor, 1256f22996dbSHugues Fruchet OV5640_REG_POLARITY_CTRL00, 1257f22996dbSHugues Fruchet (pclk_pol << 5) | 1258f22996dbSHugues Fruchet (hsync_pol << 1) | 1259f22996dbSHugues Fruchet vsync_pol); 1260f22996dbSHugues Fruchet 1261f22996dbSHugues Fruchet if (ret) 1262f22996dbSHugues Fruchet return ret; 1263f22996dbSHugues Fruchet } 1264f22996dbSHugues Fruchet 1265f22996dbSHugues Fruchet /* 1266f22996dbSHugues Fruchet * powerdown MIPI TX/RX PHY & disable MIPI 1267f22996dbSHugues Fruchet * 1268f22996dbSHugues Fruchet * MIPI CONTROL 00 1269f22996dbSHugues Fruchet * 4: PWDN PHY TX 1270f22996dbSHugues Fruchet * 3: PWDN PHY RX 1271f22996dbSHugues Fruchet * 2: MIPI enable 1272f22996dbSHugues Fruchet */ 1273f22996dbSHugues Fruchet ret = ov5640_write_reg(sensor, 1274f22996dbSHugues Fruchet OV5640_REG_IO_MIPI_CTRL00, on ? 0x18 : 0); 1275f22996dbSHugues Fruchet if (ret) 1276f22996dbSHugues Fruchet return ret; 1277f22996dbSHugues Fruchet 1278f22996dbSHugues Fruchet /* 1279f22996dbSHugues Fruchet * enable VSYNC/HREF/PCLK DVP control lines 1280f22996dbSHugues Fruchet * & D[9:6] DVP data lines 1281f22996dbSHugues Fruchet * 1282f22996dbSHugues Fruchet * PAD OUTPUT ENABLE 01 1283f22996dbSHugues Fruchet * - 6: VSYNC output enable 1284f22996dbSHugues Fruchet * - 5: HREF output enable 1285f22996dbSHugues Fruchet * - 4: PCLK output enable 1286f22996dbSHugues Fruchet * - [3:0]: D[9:6] output enable 1287f22996dbSHugues Fruchet */ 1288f22996dbSHugues Fruchet ret = ov5640_write_reg(sensor, 1289f22996dbSHugues Fruchet OV5640_REG_PAD_OUTPUT_ENABLE01, 1290f22996dbSHugues Fruchet on ? 0x7f : 0); 1291f22996dbSHugues Fruchet if (ret) 1292f22996dbSHugues Fruchet return ret; 1293f22996dbSHugues Fruchet 1294f22996dbSHugues Fruchet /* 1295f22996dbSHugues Fruchet * enable D[5:0] DVP data lines 1296f22996dbSHugues Fruchet * 1297f22996dbSHugues Fruchet * PAD OUTPUT ENABLE 02 1298f22996dbSHugues Fruchet * - [7:2]: D[5:0] output enable 1299f22996dbSHugues Fruchet */ 1300f22996dbSHugues Fruchet return ov5640_write_reg(sensor, 1301f22996dbSHugues Fruchet OV5640_REG_PAD_OUTPUT_ENABLE02, 1302f22996dbSHugues Fruchet on ? 0xfc : 0); 1303f22996dbSHugues Fruchet } 1304f22996dbSHugues Fruchet 1305f22996dbSHugues Fruchet static int ov5640_set_stream_mipi(struct ov5640_dev *sensor, bool on) 130619a81c14SSteve Longerbeam { 130719a81c14SSteve Longerbeam int ret; 130819a81c14SSteve Longerbeam 1309aa4bb8b8SJacopo Mondi /* 1310aa4bb8b8SJacopo Mondi * Enable/disable the MIPI interface 1311aa4bb8b8SJacopo Mondi * 1312aa4bb8b8SJacopo Mondi * 0x300e = on ? 0x45 : 0x40 1313aa4bb8b8SJacopo Mondi * 1314aa4bb8b8SJacopo Mondi * FIXME: the sensor manual (version 2.03) reports 1315aa4bb8b8SJacopo Mondi * [7:5] = 000 : 1 data lane mode 1316aa4bb8b8SJacopo Mondi * [7:5] = 001 : 2 data lanes mode 1317aa4bb8b8SJacopo Mondi * But this settings do not work, while the following ones 1318aa4bb8b8SJacopo Mondi * have been validated for 2 data lanes mode. 1319aa4bb8b8SJacopo Mondi * 1320aa4bb8b8SJacopo Mondi * [7:5] = 010 : 2 data lanes mode 1321aa4bb8b8SJacopo Mondi * [4] = 0 : Power up MIPI HS Tx 1322aa4bb8b8SJacopo Mondi * [3] = 0 : Power up MIPI LS Rx 1323aa4bb8b8SJacopo Mondi * [2] = 1/0 : MIPI interface enable/disable 1324aa4bb8b8SJacopo Mondi * [1:0] = 01/00: FIXME: 'debug' 1325aa4bb8b8SJacopo Mondi */ 1326aa4bb8b8SJacopo Mondi ret = ov5640_write_reg(sensor, OV5640_REG_IO_MIPI_CTRL00, 1327aa4bb8b8SJacopo Mondi on ? 0x45 : 0x40); 132819a81c14SSteve Longerbeam if (ret) 132919a81c14SSteve Longerbeam return ret; 133019a81c14SSteve Longerbeam 133119a81c14SSteve Longerbeam return ov5640_write_reg(sensor, OV5640_REG_FRAME_CTRL01, 133219a81c14SSteve Longerbeam on ? 0x00 : 0x0f); 133319a81c14SSteve Longerbeam } 133419a81c14SSteve Longerbeam 133519a81c14SSteve Longerbeam static int ov5640_get_sysclk(struct ov5640_dev *sensor) 133619a81c14SSteve Longerbeam { 133719a81c14SSteve Longerbeam /* calculate sysclk */ 133819a81c14SSteve Longerbeam u32 xvclk = sensor->xclk_freq / 10000; 133919a81c14SSteve Longerbeam u32 multiplier, prediv, VCO, sysdiv, pll_rdiv; 134019a81c14SSteve Longerbeam u32 sclk_rdiv_map[] = {1, 2, 4, 8}; 134119a81c14SSteve Longerbeam u32 bit_div2x = 1, sclk_rdiv, sysclk; 134219a81c14SSteve Longerbeam u8 temp1, temp2; 134319a81c14SSteve Longerbeam int ret; 134419a81c14SSteve Longerbeam 134519a81c14SSteve Longerbeam ret = ov5640_read_reg(sensor, OV5640_REG_SC_PLL_CTRL0, &temp1); 134619a81c14SSteve Longerbeam if (ret) 134719a81c14SSteve Longerbeam return ret; 134819a81c14SSteve Longerbeam temp2 = temp1 & 0x0f; 134919a81c14SSteve Longerbeam if (temp2 == 8 || temp2 == 10) 135019a81c14SSteve Longerbeam bit_div2x = temp2 / 2; 135119a81c14SSteve Longerbeam 135219a81c14SSteve Longerbeam ret = ov5640_read_reg(sensor, OV5640_REG_SC_PLL_CTRL1, &temp1); 135319a81c14SSteve Longerbeam if (ret) 135419a81c14SSteve Longerbeam return ret; 135519a81c14SSteve Longerbeam sysdiv = temp1 >> 4; 135619a81c14SSteve Longerbeam if (sysdiv == 0) 135719a81c14SSteve Longerbeam sysdiv = 16; 135819a81c14SSteve Longerbeam 135919a81c14SSteve Longerbeam ret = ov5640_read_reg(sensor, OV5640_REG_SC_PLL_CTRL2, &temp1); 136019a81c14SSteve Longerbeam if (ret) 136119a81c14SSteve Longerbeam return ret; 136219a81c14SSteve Longerbeam multiplier = temp1; 136319a81c14SSteve Longerbeam 136419a81c14SSteve Longerbeam ret = ov5640_read_reg(sensor, OV5640_REG_SC_PLL_CTRL3, &temp1); 136519a81c14SSteve Longerbeam if (ret) 136619a81c14SSteve Longerbeam return ret; 136719a81c14SSteve Longerbeam prediv = temp1 & 0x0f; 136819a81c14SSteve Longerbeam pll_rdiv = ((temp1 >> 4) & 0x01) + 1; 136919a81c14SSteve Longerbeam 137019a81c14SSteve Longerbeam ret = ov5640_read_reg(sensor, OV5640_REG_SYS_ROOT_DIVIDER, &temp1); 137119a81c14SSteve Longerbeam if (ret) 137219a81c14SSteve Longerbeam return ret; 137319a81c14SSteve Longerbeam temp2 = temp1 & 0x03; 137419a81c14SSteve Longerbeam sclk_rdiv = sclk_rdiv_map[temp2]; 137519a81c14SSteve Longerbeam 137619a81c14SSteve Longerbeam if (!prediv || !sysdiv || !pll_rdiv || !bit_div2x) 137719a81c14SSteve Longerbeam return -EINVAL; 137819a81c14SSteve Longerbeam 137919a81c14SSteve Longerbeam VCO = xvclk * multiplier / prediv; 138019a81c14SSteve Longerbeam 138119a81c14SSteve Longerbeam sysclk = VCO / sysdiv / pll_rdiv * 2 / bit_div2x / sclk_rdiv; 138219a81c14SSteve Longerbeam 138319a81c14SSteve Longerbeam return sysclk; 138419a81c14SSteve Longerbeam } 138519a81c14SSteve Longerbeam 138619a81c14SSteve Longerbeam static int ov5640_set_night_mode(struct ov5640_dev *sensor) 138719a81c14SSteve Longerbeam { 138819a81c14SSteve Longerbeam /* read HTS from register settings */ 138919a81c14SSteve Longerbeam u8 mode; 139019a81c14SSteve Longerbeam int ret; 139119a81c14SSteve Longerbeam 139219a81c14SSteve Longerbeam ret = ov5640_read_reg(sensor, OV5640_REG_AEC_CTRL00, &mode); 139319a81c14SSteve Longerbeam if (ret) 139419a81c14SSteve Longerbeam return ret; 139519a81c14SSteve Longerbeam mode &= 0xfb; 139619a81c14SSteve Longerbeam return ov5640_write_reg(sensor, OV5640_REG_AEC_CTRL00, mode); 139719a81c14SSteve Longerbeam } 139819a81c14SSteve Longerbeam 139919a81c14SSteve Longerbeam static int ov5640_get_hts(struct ov5640_dev *sensor) 140019a81c14SSteve Longerbeam { 140119a81c14SSteve Longerbeam /* read HTS from register settings */ 140219a81c14SSteve Longerbeam u16 hts; 140319a81c14SSteve Longerbeam int ret; 140419a81c14SSteve Longerbeam 140519a81c14SSteve Longerbeam ret = ov5640_read_reg16(sensor, OV5640_REG_TIMING_HTS, &hts); 140619a81c14SSteve Longerbeam if (ret) 140719a81c14SSteve Longerbeam return ret; 140819a81c14SSteve Longerbeam return hts; 140919a81c14SSteve Longerbeam } 141019a81c14SSteve Longerbeam 141119a81c14SSteve Longerbeam static int ov5640_get_vts(struct ov5640_dev *sensor) 141219a81c14SSteve Longerbeam { 141319a81c14SSteve Longerbeam u16 vts; 141419a81c14SSteve Longerbeam int ret; 141519a81c14SSteve Longerbeam 141619a81c14SSteve Longerbeam ret = ov5640_read_reg16(sensor, OV5640_REG_TIMING_VTS, &vts); 141719a81c14SSteve Longerbeam if (ret) 141819a81c14SSteve Longerbeam return ret; 141919a81c14SSteve Longerbeam return vts; 142019a81c14SSteve Longerbeam } 142119a81c14SSteve Longerbeam 142219a81c14SSteve Longerbeam static int ov5640_set_vts(struct ov5640_dev *sensor, int vts) 142319a81c14SSteve Longerbeam { 142419a81c14SSteve Longerbeam return ov5640_write_reg16(sensor, OV5640_REG_TIMING_VTS, vts); 142519a81c14SSteve Longerbeam } 142619a81c14SSteve Longerbeam 142719a81c14SSteve Longerbeam static int ov5640_get_light_freq(struct ov5640_dev *sensor) 142819a81c14SSteve Longerbeam { 142919a81c14SSteve Longerbeam /* get banding filter value */ 143019a81c14SSteve Longerbeam int ret, light_freq = 0; 143119a81c14SSteve Longerbeam u8 temp, temp1; 143219a81c14SSteve Longerbeam 143319a81c14SSteve Longerbeam ret = ov5640_read_reg(sensor, OV5640_REG_HZ5060_CTRL01, &temp); 143419a81c14SSteve Longerbeam if (ret) 143519a81c14SSteve Longerbeam return ret; 143619a81c14SSteve Longerbeam 143719a81c14SSteve Longerbeam if (temp & 0x80) { 143819a81c14SSteve Longerbeam /* manual */ 143919a81c14SSteve Longerbeam ret = ov5640_read_reg(sensor, OV5640_REG_HZ5060_CTRL00, 144019a81c14SSteve Longerbeam &temp1); 144119a81c14SSteve Longerbeam if (ret) 144219a81c14SSteve Longerbeam return ret; 144319a81c14SSteve Longerbeam if (temp1 & 0x04) { 144419a81c14SSteve Longerbeam /* 50Hz */ 144519a81c14SSteve Longerbeam light_freq = 50; 144619a81c14SSteve Longerbeam } else { 144719a81c14SSteve Longerbeam /* 60Hz */ 144819a81c14SSteve Longerbeam light_freq = 60; 144919a81c14SSteve Longerbeam } 145019a81c14SSteve Longerbeam } else { 145119a81c14SSteve Longerbeam /* auto */ 145219a81c14SSteve Longerbeam ret = ov5640_read_reg(sensor, OV5640_REG_SIGMADELTA_CTRL0C, 145319a81c14SSteve Longerbeam &temp1); 145419a81c14SSteve Longerbeam if (ret) 145519a81c14SSteve Longerbeam return ret; 145619a81c14SSteve Longerbeam 145719a81c14SSteve Longerbeam if (temp1 & 0x01) { 145819a81c14SSteve Longerbeam /* 50Hz */ 145919a81c14SSteve Longerbeam light_freq = 50; 146019a81c14SSteve Longerbeam } else { 146119a81c14SSteve Longerbeam /* 60Hz */ 146219a81c14SSteve Longerbeam } 146319a81c14SSteve Longerbeam } 146419a81c14SSteve Longerbeam 146519a81c14SSteve Longerbeam return light_freq; 146619a81c14SSteve Longerbeam } 146719a81c14SSteve Longerbeam 146819a81c14SSteve Longerbeam static int ov5640_set_bandingfilter(struct ov5640_dev *sensor) 146919a81c14SSteve Longerbeam { 147019a81c14SSteve Longerbeam u32 band_step60, max_band60, band_step50, max_band50, prev_vts; 147119a81c14SSteve Longerbeam int ret; 147219a81c14SSteve Longerbeam 147319a81c14SSteve Longerbeam /* read preview PCLK */ 147419a81c14SSteve Longerbeam ret = ov5640_get_sysclk(sensor); 147519a81c14SSteve Longerbeam if (ret < 0) 147619a81c14SSteve Longerbeam return ret; 147719a81c14SSteve Longerbeam if (ret == 0) 147819a81c14SSteve Longerbeam return -EINVAL; 147919a81c14SSteve Longerbeam sensor->prev_sysclk = ret; 148019a81c14SSteve Longerbeam /* read preview HTS */ 148119a81c14SSteve Longerbeam ret = ov5640_get_hts(sensor); 148219a81c14SSteve Longerbeam if (ret < 0) 148319a81c14SSteve Longerbeam return ret; 148419a81c14SSteve Longerbeam if (ret == 0) 148519a81c14SSteve Longerbeam return -EINVAL; 148619a81c14SSteve Longerbeam sensor->prev_hts = ret; 148719a81c14SSteve Longerbeam 148819a81c14SSteve Longerbeam /* read preview VTS */ 148919a81c14SSteve Longerbeam ret = ov5640_get_vts(sensor); 149019a81c14SSteve Longerbeam if (ret < 0) 149119a81c14SSteve Longerbeam return ret; 149219a81c14SSteve Longerbeam prev_vts = ret; 149319a81c14SSteve Longerbeam 149419a81c14SSteve Longerbeam /* calculate banding filter */ 149519a81c14SSteve Longerbeam /* 60Hz */ 149619a81c14SSteve Longerbeam band_step60 = sensor->prev_sysclk * 100 / sensor->prev_hts * 100 / 120; 149719a81c14SSteve Longerbeam ret = ov5640_write_reg16(sensor, OV5640_REG_AEC_B60_STEP, band_step60); 149819a81c14SSteve Longerbeam if (ret) 149919a81c14SSteve Longerbeam return ret; 150019a81c14SSteve Longerbeam if (!band_step60) 150119a81c14SSteve Longerbeam return -EINVAL; 150219a81c14SSteve Longerbeam max_band60 = (int)((prev_vts - 4) / band_step60); 150319a81c14SSteve Longerbeam ret = ov5640_write_reg(sensor, OV5640_REG_AEC_CTRL0D, max_band60); 150419a81c14SSteve Longerbeam if (ret) 150519a81c14SSteve Longerbeam return ret; 150619a81c14SSteve Longerbeam 150719a81c14SSteve Longerbeam /* 50Hz */ 150819a81c14SSteve Longerbeam band_step50 = sensor->prev_sysclk * 100 / sensor->prev_hts; 150919a81c14SSteve Longerbeam ret = ov5640_write_reg16(sensor, OV5640_REG_AEC_B50_STEP, band_step50); 151019a81c14SSteve Longerbeam if (ret) 151119a81c14SSteve Longerbeam return ret; 151219a81c14SSteve Longerbeam if (!band_step50) 151319a81c14SSteve Longerbeam return -EINVAL; 151419a81c14SSteve Longerbeam max_band50 = (int)((prev_vts - 4) / band_step50); 151519a81c14SSteve Longerbeam return ov5640_write_reg(sensor, OV5640_REG_AEC_CTRL0E, max_band50); 151619a81c14SSteve Longerbeam } 151719a81c14SSteve Longerbeam 151819a81c14SSteve Longerbeam static int ov5640_set_ae_target(struct ov5640_dev *sensor, int target) 151919a81c14SSteve Longerbeam { 152019a81c14SSteve Longerbeam /* stable in high */ 152119a81c14SSteve Longerbeam u32 fast_high, fast_low; 152219a81c14SSteve Longerbeam int ret; 152319a81c14SSteve Longerbeam 152419a81c14SSteve Longerbeam sensor->ae_low = target * 23 / 25; /* 0.92 */ 152519a81c14SSteve Longerbeam sensor->ae_high = target * 27 / 25; /* 1.08 */ 152619a81c14SSteve Longerbeam 152719a81c14SSteve Longerbeam fast_high = sensor->ae_high << 1; 152819a81c14SSteve Longerbeam if (fast_high > 255) 152919a81c14SSteve Longerbeam fast_high = 255; 153019a81c14SSteve Longerbeam 153119a81c14SSteve Longerbeam fast_low = sensor->ae_low >> 1; 153219a81c14SSteve Longerbeam 153319a81c14SSteve Longerbeam ret = ov5640_write_reg(sensor, OV5640_REG_AEC_CTRL0F, sensor->ae_high); 153419a81c14SSteve Longerbeam if (ret) 153519a81c14SSteve Longerbeam return ret; 153619a81c14SSteve Longerbeam ret = ov5640_write_reg(sensor, OV5640_REG_AEC_CTRL10, sensor->ae_low); 153719a81c14SSteve Longerbeam if (ret) 153819a81c14SSteve Longerbeam return ret; 153919a81c14SSteve Longerbeam ret = ov5640_write_reg(sensor, OV5640_REG_AEC_CTRL1B, sensor->ae_high); 154019a81c14SSteve Longerbeam if (ret) 154119a81c14SSteve Longerbeam return ret; 154219a81c14SSteve Longerbeam ret = ov5640_write_reg(sensor, OV5640_REG_AEC_CTRL1E, sensor->ae_low); 154319a81c14SSteve Longerbeam if (ret) 154419a81c14SSteve Longerbeam return ret; 154519a81c14SSteve Longerbeam ret = ov5640_write_reg(sensor, OV5640_REG_AEC_CTRL11, fast_high); 154619a81c14SSteve Longerbeam if (ret) 154719a81c14SSteve Longerbeam return ret; 154819a81c14SSteve Longerbeam return ov5640_write_reg(sensor, OV5640_REG_AEC_CTRL1F, fast_low); 154919a81c14SSteve Longerbeam } 155019a81c14SSteve Longerbeam 1551c2c3f42dSHugues Fruchet static int ov5640_get_binning(struct ov5640_dev *sensor) 155219a81c14SSteve Longerbeam { 155319a81c14SSteve Longerbeam u8 temp; 155419a81c14SSteve Longerbeam int ret; 155519a81c14SSteve Longerbeam 155619a81c14SSteve Longerbeam ret = ov5640_read_reg(sensor, OV5640_REG_TIMING_TC_REG21, &temp); 155719a81c14SSteve Longerbeam if (ret) 155819a81c14SSteve Longerbeam return ret; 1559c2c3f42dSHugues Fruchet 1560c2c3f42dSHugues Fruchet return temp & BIT(0); 156119a81c14SSteve Longerbeam } 156219a81c14SSteve Longerbeam 1563ce85705aSHugues Fruchet static int ov5640_set_binning(struct ov5640_dev *sensor, bool enable) 1564ce85705aSHugues Fruchet { 1565ce85705aSHugues Fruchet int ret; 1566ce85705aSHugues Fruchet 1567ce85705aSHugues Fruchet /* 1568ce85705aSHugues Fruchet * TIMING TC REG21: 1569ce85705aSHugues Fruchet * - [0]: Horizontal binning enable 1570ce85705aSHugues Fruchet */ 1571ce85705aSHugues Fruchet ret = ov5640_mod_reg(sensor, OV5640_REG_TIMING_TC_REG21, 1572ce85705aSHugues Fruchet BIT(0), enable ? BIT(0) : 0); 1573ce85705aSHugues Fruchet if (ret) 1574ce85705aSHugues Fruchet return ret; 1575ce85705aSHugues Fruchet /* 1576ce85705aSHugues Fruchet * TIMING TC REG20: 1577ce85705aSHugues Fruchet * - [0]: Undocumented, but hardcoded init sequences 1578ce85705aSHugues Fruchet * are always setting REG21/REG20 bit 0 to same value... 1579ce85705aSHugues Fruchet */ 1580ce85705aSHugues Fruchet return ov5640_mod_reg(sensor, OV5640_REG_TIMING_TC_REG20, 1581ce85705aSHugues Fruchet BIT(0), enable ? BIT(0) : 0); 1582ce85705aSHugues Fruchet } 1583ce85705aSHugues Fruchet 158419a81c14SSteve Longerbeam static int ov5640_set_virtual_channel(struct ov5640_dev *sensor) 158519a81c14SSteve Longerbeam { 15868670d70aSHugues Fruchet struct i2c_client *client = sensor->i2c_client; 158719a81c14SSteve Longerbeam u8 temp, channel = virtual_channel; 158819a81c14SSteve Longerbeam int ret; 158919a81c14SSteve Longerbeam 15908670d70aSHugues Fruchet if (channel > 3) { 15918670d70aSHugues Fruchet dev_err(&client->dev, 15928670d70aSHugues Fruchet "%s: wrong virtual_channel parameter, expected (0..3), got %d\n", 15938670d70aSHugues Fruchet __func__, channel); 159419a81c14SSteve Longerbeam return -EINVAL; 15958670d70aSHugues Fruchet } 159619a81c14SSteve Longerbeam 159719a81c14SSteve Longerbeam ret = ov5640_read_reg(sensor, OV5640_REG_DEBUG_MODE, &temp); 159819a81c14SSteve Longerbeam if (ret) 159919a81c14SSteve Longerbeam return ret; 160019a81c14SSteve Longerbeam temp &= ~(3 << 6); 160119a81c14SSteve Longerbeam temp |= (channel << 6); 160219a81c14SSteve Longerbeam return ov5640_write_reg(sensor, OV5640_REG_DEBUG_MODE, temp); 160319a81c14SSteve Longerbeam } 160419a81c14SSteve Longerbeam 160519a81c14SSteve Longerbeam static const struct ov5640_mode_info * 160619a81c14SSteve Longerbeam ov5640_find_mode(struct ov5640_dev *sensor, enum ov5640_frame_rate fr, 160719a81c14SSteve Longerbeam int width, int height, bool nearest) 160819a81c14SSteve Longerbeam { 16093c4a7372SHugues Fruchet const struct ov5640_mode_info *mode; 161019a81c14SSteve Longerbeam 1611086c25f8SMaxime Ripard mode = v4l2_find_nearest_size(ov5640_mode_data, 1612086c25f8SMaxime Ripard ARRAY_SIZE(ov5640_mode_data), 16133c4a7372SHugues Fruchet hact, vact, 16143c4a7372SHugues Fruchet width, height); 161519a81c14SSteve Longerbeam 16163c4a7372SHugues Fruchet if (!mode || 16173c4a7372SHugues Fruchet (!nearest && (mode->hact != width || mode->vact != height))) 16183c4a7372SHugues Fruchet return NULL; 161919a81c14SSteve Longerbeam 16205554c80eSAdam Ford /* Check to see if the current mode exceeds the max frame rate */ 16215554c80eSAdam Ford if (ov5640_framerates[fr] > ov5640_framerates[mode->max_fps]) 1622981e4454SBenoit Parrot return NULL; 1623981e4454SBenoit Parrot 162419a81c14SSteve Longerbeam return mode; 162519a81c14SSteve Longerbeam } 162619a81c14SSteve Longerbeam 1627cc196e48SBenoit Parrot static u64 ov5640_calc_pixel_rate(struct ov5640_dev *sensor) 1628cc196e48SBenoit Parrot { 1629cc196e48SBenoit Parrot u64 rate; 1630cc196e48SBenoit Parrot 1631cc196e48SBenoit Parrot rate = sensor->current_mode->vtot * sensor->current_mode->htot; 1632cc196e48SBenoit Parrot rate *= ov5640_framerates[sensor->current_fr]; 1633cc196e48SBenoit Parrot 1634cc196e48SBenoit Parrot return rate; 1635cc196e48SBenoit Parrot } 1636cc196e48SBenoit Parrot 163719a81c14SSteve Longerbeam /* 163819a81c14SSteve Longerbeam * sensor changes between scaling and subsampling, go through 163919a81c14SSteve Longerbeam * exposure calculation 164019a81c14SSteve Longerbeam */ 164141d8d7f5SHugues Fruchet static int ov5640_set_mode_exposure_calc(struct ov5640_dev *sensor, 164241d8d7f5SHugues Fruchet const struct ov5640_mode_info *mode) 164319a81c14SSteve Longerbeam { 164419a81c14SSteve Longerbeam u32 prev_shutter, prev_gain16; 164519a81c14SSteve Longerbeam u32 cap_shutter, cap_gain16; 164619a81c14SSteve Longerbeam u32 cap_sysclk, cap_hts, cap_vts; 164719a81c14SSteve Longerbeam u32 light_freq, cap_bandfilt, cap_maxband; 164819a81c14SSteve Longerbeam u32 cap_gain16_shutter; 164919a81c14SSteve Longerbeam u8 average; 165019a81c14SSteve Longerbeam int ret; 165119a81c14SSteve Longerbeam 165241d8d7f5SHugues Fruchet if (!mode->reg_data) 165319a81c14SSteve Longerbeam return -EINVAL; 165419a81c14SSteve Longerbeam 165519a81c14SSteve Longerbeam /* read preview shutter */ 165619a81c14SSteve Longerbeam ret = ov5640_get_exposure(sensor); 165719a81c14SSteve Longerbeam if (ret < 0) 165819a81c14SSteve Longerbeam return ret; 165919a81c14SSteve Longerbeam prev_shutter = ret; 1660c2c3f42dSHugues Fruchet ret = ov5640_get_binning(sensor); 166119a81c14SSteve Longerbeam if (ret < 0) 166219a81c14SSteve Longerbeam return ret; 166319a81c14SSteve Longerbeam if (ret && mode->id != OV5640_MODE_720P_1280_720 && 166419a81c14SSteve Longerbeam mode->id != OV5640_MODE_1080P_1920_1080) 166519a81c14SSteve Longerbeam prev_shutter *= 2; 166619a81c14SSteve Longerbeam 166719a81c14SSteve Longerbeam /* read preview gain */ 166819a81c14SSteve Longerbeam ret = ov5640_get_gain(sensor); 166919a81c14SSteve Longerbeam if (ret < 0) 167019a81c14SSteve Longerbeam return ret; 167119a81c14SSteve Longerbeam prev_gain16 = ret; 167219a81c14SSteve Longerbeam 167319a81c14SSteve Longerbeam /* get average */ 167419a81c14SSteve Longerbeam ret = ov5640_read_reg(sensor, OV5640_REG_AVG_READOUT, &average); 167519a81c14SSteve Longerbeam if (ret) 167619a81c14SSteve Longerbeam return ret; 167719a81c14SSteve Longerbeam 167819a81c14SSteve Longerbeam /* turn off night mode for capture */ 167919a81c14SSteve Longerbeam ret = ov5640_set_night_mode(sensor); 168019a81c14SSteve Longerbeam if (ret < 0) 168119a81c14SSteve Longerbeam return ret; 168219a81c14SSteve Longerbeam 168319a81c14SSteve Longerbeam /* Write capture setting */ 168419a81c14SSteve Longerbeam ret = ov5640_load_regs(sensor, mode); 168519a81c14SSteve Longerbeam if (ret < 0) 168619a81c14SSteve Longerbeam return ret; 168719a81c14SSteve Longerbeam 168819a81c14SSteve Longerbeam /* read capture VTS */ 168919a81c14SSteve Longerbeam ret = ov5640_get_vts(sensor); 169019a81c14SSteve Longerbeam if (ret < 0) 169119a81c14SSteve Longerbeam return ret; 169219a81c14SSteve Longerbeam cap_vts = ret; 169319a81c14SSteve Longerbeam ret = ov5640_get_hts(sensor); 169419a81c14SSteve Longerbeam if (ret < 0) 169519a81c14SSteve Longerbeam return ret; 169619a81c14SSteve Longerbeam if (ret == 0) 169719a81c14SSteve Longerbeam return -EINVAL; 169819a81c14SSteve Longerbeam cap_hts = ret; 169919a81c14SSteve Longerbeam 170019a81c14SSteve Longerbeam ret = ov5640_get_sysclk(sensor); 170119a81c14SSteve Longerbeam if (ret < 0) 170219a81c14SSteve Longerbeam return ret; 170319a81c14SSteve Longerbeam if (ret == 0) 170419a81c14SSteve Longerbeam return -EINVAL; 170519a81c14SSteve Longerbeam cap_sysclk = ret; 170619a81c14SSteve Longerbeam 170719a81c14SSteve Longerbeam /* calculate capture banding filter */ 170819a81c14SSteve Longerbeam ret = ov5640_get_light_freq(sensor); 170919a81c14SSteve Longerbeam if (ret < 0) 171019a81c14SSteve Longerbeam return ret; 171119a81c14SSteve Longerbeam light_freq = ret; 171219a81c14SSteve Longerbeam 171319a81c14SSteve Longerbeam if (light_freq == 60) { 171419a81c14SSteve Longerbeam /* 60Hz */ 171519a81c14SSteve Longerbeam cap_bandfilt = cap_sysclk * 100 / cap_hts * 100 / 120; 171619a81c14SSteve Longerbeam } else { 171719a81c14SSteve Longerbeam /* 50Hz */ 171819a81c14SSteve Longerbeam cap_bandfilt = cap_sysclk * 100 / cap_hts; 171919a81c14SSteve Longerbeam } 172019a81c14SSteve Longerbeam 172119a81c14SSteve Longerbeam if (!sensor->prev_sysclk) { 172219a81c14SSteve Longerbeam ret = ov5640_get_sysclk(sensor); 172319a81c14SSteve Longerbeam if (ret < 0) 172419a81c14SSteve Longerbeam return ret; 172519a81c14SSteve Longerbeam if (ret == 0) 172619a81c14SSteve Longerbeam return -EINVAL; 172719a81c14SSteve Longerbeam sensor->prev_sysclk = ret; 172819a81c14SSteve Longerbeam } 172919a81c14SSteve Longerbeam 173019a81c14SSteve Longerbeam if (!cap_bandfilt) 173119a81c14SSteve Longerbeam return -EINVAL; 173219a81c14SSteve Longerbeam 173319a81c14SSteve Longerbeam cap_maxband = (int)((cap_vts - 4) / cap_bandfilt); 173419a81c14SSteve Longerbeam 173519a81c14SSteve Longerbeam /* calculate capture shutter/gain16 */ 173619a81c14SSteve Longerbeam if (average > sensor->ae_low && average < sensor->ae_high) { 173719a81c14SSteve Longerbeam /* in stable range */ 173819a81c14SSteve Longerbeam cap_gain16_shutter = 173919a81c14SSteve Longerbeam prev_gain16 * prev_shutter * 174019a81c14SSteve Longerbeam cap_sysclk / sensor->prev_sysclk * 174119a81c14SSteve Longerbeam sensor->prev_hts / cap_hts * 174219a81c14SSteve Longerbeam sensor->ae_target / average; 174319a81c14SSteve Longerbeam } else { 174419a81c14SSteve Longerbeam cap_gain16_shutter = 174519a81c14SSteve Longerbeam prev_gain16 * prev_shutter * 174619a81c14SSteve Longerbeam cap_sysclk / sensor->prev_sysclk * 174719a81c14SSteve Longerbeam sensor->prev_hts / cap_hts; 174819a81c14SSteve Longerbeam } 174919a81c14SSteve Longerbeam 175019a81c14SSteve Longerbeam /* gain to shutter */ 175119a81c14SSteve Longerbeam if (cap_gain16_shutter < (cap_bandfilt * 16)) { 175219a81c14SSteve Longerbeam /* shutter < 1/100 */ 175319a81c14SSteve Longerbeam cap_shutter = cap_gain16_shutter / 16; 175419a81c14SSteve Longerbeam if (cap_shutter < 1) 175519a81c14SSteve Longerbeam cap_shutter = 1; 175619a81c14SSteve Longerbeam 175719a81c14SSteve Longerbeam cap_gain16 = cap_gain16_shutter / cap_shutter; 175819a81c14SSteve Longerbeam if (cap_gain16 < 16) 175919a81c14SSteve Longerbeam cap_gain16 = 16; 176019a81c14SSteve Longerbeam } else { 176119a81c14SSteve Longerbeam if (cap_gain16_shutter > (cap_bandfilt * cap_maxband * 16)) { 176219a81c14SSteve Longerbeam /* exposure reach max */ 176319a81c14SSteve Longerbeam cap_shutter = cap_bandfilt * cap_maxband; 176419a81c14SSteve Longerbeam if (!cap_shutter) 176519a81c14SSteve Longerbeam return -EINVAL; 176619a81c14SSteve Longerbeam 176719a81c14SSteve Longerbeam cap_gain16 = cap_gain16_shutter / cap_shutter; 176819a81c14SSteve Longerbeam } else { 176919a81c14SSteve Longerbeam /* 1/100 < (cap_shutter = n/100) =< max */ 177019a81c14SSteve Longerbeam cap_shutter = 177119a81c14SSteve Longerbeam ((int)(cap_gain16_shutter / 16 / cap_bandfilt)) 177219a81c14SSteve Longerbeam * cap_bandfilt; 177319a81c14SSteve Longerbeam if (!cap_shutter) 177419a81c14SSteve Longerbeam return -EINVAL; 177519a81c14SSteve Longerbeam 177619a81c14SSteve Longerbeam cap_gain16 = cap_gain16_shutter / cap_shutter; 177719a81c14SSteve Longerbeam } 177819a81c14SSteve Longerbeam } 177919a81c14SSteve Longerbeam 178019a81c14SSteve Longerbeam /* set capture gain */ 17813cca8ef5SHugues Fruchet ret = ov5640_set_gain(sensor, cap_gain16); 178219a81c14SSteve Longerbeam if (ret) 178319a81c14SSteve Longerbeam return ret; 178419a81c14SSteve Longerbeam 178519a81c14SSteve Longerbeam /* write capture shutter */ 178619a81c14SSteve Longerbeam if (cap_shutter > (cap_vts - 4)) { 178719a81c14SSteve Longerbeam cap_vts = cap_shutter + 4; 178819a81c14SSteve Longerbeam ret = ov5640_set_vts(sensor, cap_vts); 178919a81c14SSteve Longerbeam if (ret < 0) 179019a81c14SSteve Longerbeam return ret; 179119a81c14SSteve Longerbeam } 179219a81c14SSteve Longerbeam 179319a81c14SSteve Longerbeam /* set exposure */ 17943cca8ef5SHugues Fruchet return ov5640_set_exposure(sensor, cap_shutter); 179519a81c14SSteve Longerbeam } 179619a81c14SSteve Longerbeam 179719a81c14SSteve Longerbeam /* 179819a81c14SSteve Longerbeam * if sensor changes inside scaling or subsampling 179919a81c14SSteve Longerbeam * change mode directly 180019a81c14SSteve Longerbeam */ 180119a81c14SSteve Longerbeam static int ov5640_set_mode_direct(struct ov5640_dev *sensor, 18023cca8ef5SHugues Fruchet const struct ov5640_mode_info *mode) 180319a81c14SSteve Longerbeam { 180441d8d7f5SHugues Fruchet if (!mode->reg_data) 180519a81c14SSteve Longerbeam return -EINVAL; 180619a81c14SSteve Longerbeam 180719a81c14SSteve Longerbeam /* Write capture setting */ 18083cca8ef5SHugues Fruchet return ov5640_load_regs(sensor, mode); 180919a81c14SSteve Longerbeam } 181019a81c14SSteve Longerbeam 1811985cdcb0SHugues Fruchet static int ov5640_set_mode(struct ov5640_dev *sensor) 181219a81c14SSteve Longerbeam { 181319a81c14SSteve Longerbeam const struct ov5640_mode_info *mode = sensor->current_mode; 1814985cdcb0SHugues Fruchet const struct ov5640_mode_info *orig_mode = sensor->last_mode; 181519a81c14SSteve Longerbeam enum ov5640_downsize_mode dn_mode, orig_dn_mode; 18163cca8ef5SHugues Fruchet bool auto_gain = sensor->ctrls.auto_gain->val == 1; 1817dc29a1c1SHugues Fruchet bool auto_exp = sensor->ctrls.auto_exp->val == V4L2_EXPOSURE_AUTO; 1818aa288248SMaxime Ripard unsigned long rate; 181919a81c14SSteve Longerbeam int ret; 182019a81c14SSteve Longerbeam 182119a81c14SSteve Longerbeam dn_mode = mode->dn_mode; 182219a81c14SSteve Longerbeam orig_dn_mode = orig_mode->dn_mode; 182319a81c14SSteve Longerbeam 182419a81c14SSteve Longerbeam /* auto gain and exposure must be turned off when changing modes */ 18253cca8ef5SHugues Fruchet if (auto_gain) { 18263cca8ef5SHugues Fruchet ret = ov5640_set_autogain(sensor, false); 182719a81c14SSteve Longerbeam if (ret) 182819a81c14SSteve Longerbeam return ret; 18293cca8ef5SHugues Fruchet } 1830bf4a4b51SMaxime Ripard 18313cca8ef5SHugues Fruchet if (auto_exp) { 1832dc29a1c1SHugues Fruchet ret = ov5640_set_autoexposure(sensor, false); 183319a81c14SSteve Longerbeam if (ret) 18343cca8ef5SHugues Fruchet goto restore_auto_gain; 18353cca8ef5SHugues Fruchet } 183619a81c14SSteve Longerbeam 1837aa288248SMaxime Ripard /* 1838aa288248SMaxime Ripard * All the formats we support have 16 bits per pixel, seems to require 1839aa288248SMaxime Ripard * the same rate than YUV, so we can just use 16 bpp all the time. 1840aa288248SMaxime Ripard */ 1841cc196e48SBenoit Parrot rate = ov5640_calc_pixel_rate(sensor) * 16; 1842aa288248SMaxime Ripard if (sensor->ep.bus_type == V4L2_MBUS_CSI2_DPHY) { 1843aa288248SMaxime Ripard rate = rate / sensor->ep.bus.mipi_csi2.num_data_lanes; 1844aa288248SMaxime Ripard ret = ov5640_set_mipi_pclk(sensor, rate); 1845aa288248SMaxime Ripard } else { 1846aa288248SMaxime Ripard rate = rate / sensor->ep.bus.parallel.bus_width; 1847aa288248SMaxime Ripard ret = ov5640_set_dvp_pclk(sensor, rate); 1848aa288248SMaxime Ripard } 1849aa288248SMaxime Ripard 1850aa288248SMaxime Ripard if (ret < 0) 1851aa288248SMaxime Ripard return 0; 1852aa288248SMaxime Ripard 185319a81c14SSteve Longerbeam if ((dn_mode == SUBSAMPLING && orig_dn_mode == SCALING) || 185419a81c14SSteve Longerbeam (dn_mode == SCALING && orig_dn_mode == SUBSAMPLING)) { 185519a81c14SSteve Longerbeam /* 185619a81c14SSteve Longerbeam * change between subsampling and scaling 18573cca8ef5SHugues Fruchet * go through exposure calculation 185819a81c14SSteve Longerbeam */ 185919a81c14SSteve Longerbeam ret = ov5640_set_mode_exposure_calc(sensor, mode); 186019a81c14SSteve Longerbeam } else { 186119a81c14SSteve Longerbeam /* 186219a81c14SSteve Longerbeam * change inside subsampling or scaling 186319a81c14SSteve Longerbeam * download firmware directly 186419a81c14SSteve Longerbeam */ 18653cca8ef5SHugues Fruchet ret = ov5640_set_mode_direct(sensor, mode); 186619a81c14SSteve Longerbeam } 186719a81c14SSteve Longerbeam if (ret < 0) 18683cca8ef5SHugues Fruchet goto restore_auto_exp_gain; 18693cca8ef5SHugues Fruchet 18703cca8ef5SHugues Fruchet /* restore auto gain and exposure */ 18713cca8ef5SHugues Fruchet if (auto_gain) 18723cca8ef5SHugues Fruchet ov5640_set_autogain(sensor, true); 18733cca8ef5SHugues Fruchet if (auto_exp) 18743cca8ef5SHugues Fruchet ov5640_set_autoexposure(sensor, true); 187519a81c14SSteve Longerbeam 1876ce85705aSHugues Fruchet ret = ov5640_set_binning(sensor, dn_mode != SCALING); 1877ce85705aSHugues Fruchet if (ret < 0) 1878ce85705aSHugues Fruchet return ret; 187919a81c14SSteve Longerbeam ret = ov5640_set_ae_target(sensor, sensor->ae_target); 188019a81c14SSteve Longerbeam if (ret < 0) 188119a81c14SSteve Longerbeam return ret; 188219a81c14SSteve Longerbeam ret = ov5640_get_light_freq(sensor); 188319a81c14SSteve Longerbeam if (ret < 0) 188419a81c14SSteve Longerbeam return ret; 188519a81c14SSteve Longerbeam ret = ov5640_set_bandingfilter(sensor); 188619a81c14SSteve Longerbeam if (ret < 0) 188719a81c14SSteve Longerbeam return ret; 188819a81c14SSteve Longerbeam ret = ov5640_set_virtual_channel(sensor); 188919a81c14SSteve Longerbeam if (ret < 0) 189019a81c14SSteve Longerbeam return ret; 189119a81c14SSteve Longerbeam 189219a81c14SSteve Longerbeam sensor->pending_mode_change = false; 1893985cdcb0SHugues Fruchet sensor->last_mode = mode; 189419a81c14SSteve Longerbeam 189519a81c14SSteve Longerbeam return 0; 18963cca8ef5SHugues Fruchet 18973cca8ef5SHugues Fruchet restore_auto_exp_gain: 18983cca8ef5SHugues Fruchet if (auto_exp) 18993cca8ef5SHugues Fruchet ov5640_set_autoexposure(sensor, true); 19003cca8ef5SHugues Fruchet restore_auto_gain: 19013cca8ef5SHugues Fruchet if (auto_gain) 19023cca8ef5SHugues Fruchet ov5640_set_autogain(sensor, true); 19033cca8ef5SHugues Fruchet 19043cca8ef5SHugues Fruchet return ret; 190519a81c14SSteve Longerbeam } 190619a81c14SSteve Longerbeam 190719ad26f9SAkinobu Mita static int ov5640_set_framefmt(struct ov5640_dev *sensor, 190819ad26f9SAkinobu Mita struct v4l2_mbus_framefmt *format); 190919ad26f9SAkinobu Mita 191019a81c14SSteve Longerbeam /* restore the last set video mode after chip power-on */ 191119a81c14SSteve Longerbeam static int ov5640_restore_mode(struct ov5640_dev *sensor) 191219a81c14SSteve Longerbeam { 191319a81c14SSteve Longerbeam int ret; 191419a81c14SSteve Longerbeam 191519a81c14SSteve Longerbeam /* first load the initial register values */ 191619a81c14SSteve Longerbeam ret = ov5640_load_regs(sensor, &ov5640_mode_init_data); 191719a81c14SSteve Longerbeam if (ret < 0) 191819a81c14SSteve Longerbeam return ret; 1919985cdcb0SHugues Fruchet sensor->last_mode = &ov5640_mode_init_data; 192019a81c14SSteve Longerbeam 19218f57c2f8SMaxime Ripard ret = ov5640_mod_reg(sensor, OV5640_REG_SYS_ROOT_DIVIDER, 0x3f, 19227851fe7aSMaxime Ripard (ilog2(OV5640_SCLK2X_ROOT_DIV) << 2) | 19237851fe7aSMaxime Ripard ilog2(OV5640_SCLK_ROOT_DIV)); 19248f57c2f8SMaxime Ripard if (ret) 19258f57c2f8SMaxime Ripard return ret; 19268f57c2f8SMaxime Ripard 192719a81c14SSteve Longerbeam /* now restore the last capture mode */ 1928985cdcb0SHugues Fruchet ret = ov5640_set_mode(sensor); 192919ad26f9SAkinobu Mita if (ret < 0) 193019ad26f9SAkinobu Mita return ret; 193119ad26f9SAkinobu Mita 193219ad26f9SAkinobu Mita return ov5640_set_framefmt(sensor, &sensor->fmt); 193319a81c14SSteve Longerbeam } 193419a81c14SSteve Longerbeam 193519a81c14SSteve Longerbeam static void ov5640_power(struct ov5640_dev *sensor, bool enable) 193619a81c14SSteve Longerbeam { 19371fddc5daSHugues Fruchet gpiod_set_value_cansleep(sensor->pwdn_gpio, enable ? 0 : 1); 193819a81c14SSteve Longerbeam } 193919a81c14SSteve Longerbeam 194019a81c14SSteve Longerbeam static void ov5640_reset(struct ov5640_dev *sensor) 194119a81c14SSteve Longerbeam { 194219a81c14SSteve Longerbeam if (!sensor->reset_gpio) 194319a81c14SSteve Longerbeam return; 194419a81c14SSteve Longerbeam 19451fddc5daSHugues Fruchet gpiod_set_value_cansleep(sensor->reset_gpio, 0); 194619a81c14SSteve Longerbeam 194719a81c14SSteve Longerbeam /* camera power cycle */ 194819a81c14SSteve Longerbeam ov5640_power(sensor, false); 194919a81c14SSteve Longerbeam usleep_range(5000, 10000); 195019a81c14SSteve Longerbeam ov5640_power(sensor, true); 195119a81c14SSteve Longerbeam usleep_range(5000, 10000); 195219a81c14SSteve Longerbeam 19531fddc5daSHugues Fruchet gpiod_set_value_cansleep(sensor->reset_gpio, 1); 195419a81c14SSteve Longerbeam usleep_range(1000, 2000); 195519a81c14SSteve Longerbeam 19561fddc5daSHugues Fruchet gpiod_set_value_cansleep(sensor->reset_gpio, 0); 19571d4c41f3SLoic Poulain usleep_range(20000, 25000); 195819a81c14SSteve Longerbeam } 195919a81c14SSteve Longerbeam 19600f7acb52SHugues Fruchet static int ov5640_set_power_on(struct ov5640_dev *sensor) 196119a81c14SSteve Longerbeam { 19620f7acb52SHugues Fruchet struct i2c_client *client = sensor->i2c_client; 19630f7acb52SHugues Fruchet int ret; 196419a81c14SSteve Longerbeam 19650f7acb52SHugues Fruchet ret = clk_prepare_enable(sensor->xclk); 19660f7acb52SHugues Fruchet if (ret) { 19670f7acb52SHugues Fruchet dev_err(&client->dev, "%s: failed to enable clock\n", 19680f7acb52SHugues Fruchet __func__); 19690f7acb52SHugues Fruchet return ret; 19700f7acb52SHugues Fruchet } 197119a81c14SSteve Longerbeam 197219a81c14SSteve Longerbeam ret = regulator_bulk_enable(OV5640_NUM_SUPPLIES, 197319a81c14SSteve Longerbeam sensor->supplies); 19740f7acb52SHugues Fruchet if (ret) { 19750f7acb52SHugues Fruchet dev_err(&client->dev, "%s: failed to enable regulators\n", 19760f7acb52SHugues Fruchet __func__); 197719a81c14SSteve Longerbeam goto xclk_off; 19780f7acb52SHugues Fruchet } 197919a81c14SSteve Longerbeam 198019a81c14SSteve Longerbeam ov5640_reset(sensor); 198119a81c14SSteve Longerbeam ov5640_power(sensor, true); 198219a81c14SSteve Longerbeam 198319a81c14SSteve Longerbeam ret = ov5640_init_slave_id(sensor); 198419a81c14SSteve Longerbeam if (ret) 198519a81c14SSteve Longerbeam goto power_off; 198619a81c14SSteve Longerbeam 19870f7acb52SHugues Fruchet return 0; 19880f7acb52SHugues Fruchet 19890f7acb52SHugues Fruchet power_off: 19900f7acb52SHugues Fruchet ov5640_power(sensor, false); 19910f7acb52SHugues Fruchet regulator_bulk_disable(OV5640_NUM_SUPPLIES, sensor->supplies); 19920f7acb52SHugues Fruchet xclk_off: 19930f7acb52SHugues Fruchet clk_disable_unprepare(sensor->xclk); 19940f7acb52SHugues Fruchet return ret; 19950f7acb52SHugues Fruchet } 19960f7acb52SHugues Fruchet 19970f7acb52SHugues Fruchet static void ov5640_set_power_off(struct ov5640_dev *sensor) 19980f7acb52SHugues Fruchet { 19990f7acb52SHugues Fruchet ov5640_power(sensor, false); 20000f7acb52SHugues Fruchet regulator_bulk_disable(OV5640_NUM_SUPPLIES, sensor->supplies); 20010f7acb52SHugues Fruchet clk_disable_unprepare(sensor->xclk); 20020f7acb52SHugues Fruchet } 20030f7acb52SHugues Fruchet 20040f7acb52SHugues Fruchet static int ov5640_set_power(struct ov5640_dev *sensor, bool on) 20050f7acb52SHugues Fruchet { 20060f7acb52SHugues Fruchet int ret = 0; 20070f7acb52SHugues Fruchet 20080f7acb52SHugues Fruchet if (on) { 20090f7acb52SHugues Fruchet ret = ov5640_set_power_on(sensor); 20100f7acb52SHugues Fruchet if (ret) 20110f7acb52SHugues Fruchet return ret; 20120f7acb52SHugues Fruchet 201319a81c14SSteve Longerbeam ret = ov5640_restore_mode(sensor); 201419a81c14SSteve Longerbeam if (ret) 201519a81c14SSteve Longerbeam goto power_off; 201619a81c14SSteve Longerbeam 2017aa4bb8b8SJacopo Mondi /* We're done here for DVP bus, while CSI-2 needs setup. */ 20182d95e7edSSakari Ailus if (sensor->ep.bus_type != V4L2_MBUS_CSI2_DPHY) 2019aa4bb8b8SJacopo Mondi return 0; 2020aa4bb8b8SJacopo Mondi 202119a81c14SSteve Longerbeam /* 2022aa4bb8b8SJacopo Mondi * Power up MIPI HS Tx and LS Rx; 2 data lanes mode 2023aa4bb8b8SJacopo Mondi * 2024aa4bb8b8SJacopo Mondi * 0x300e = 0x40 2025aa4bb8b8SJacopo Mondi * [7:5] = 010 : 2 data lanes mode (see FIXME note in 2026aa4bb8b8SJacopo Mondi * "ov5640_set_stream_mipi()") 2027aa4bb8b8SJacopo Mondi * [4] = 0 : Power up MIPI HS Tx 2028aa4bb8b8SJacopo Mondi * [3] = 0 : Power up MIPI LS Rx 2029aa4bb8b8SJacopo Mondi * [2] = 0 : MIPI interface disabled 203019a81c14SSteve Longerbeam */ 2031aa4bb8b8SJacopo Mondi ret = ov5640_write_reg(sensor, 2032aa4bb8b8SJacopo Mondi OV5640_REG_IO_MIPI_CTRL00, 0x40); 203319a81c14SSteve Longerbeam if (ret) 203419a81c14SSteve Longerbeam goto power_off; 2035aa4bb8b8SJacopo Mondi 2036aa4bb8b8SJacopo Mondi /* 2037aa4bb8b8SJacopo Mondi * Gate clock and set LP11 in 'no packets mode' (idle) 2038aa4bb8b8SJacopo Mondi * 2039aa4bb8b8SJacopo Mondi * 0x4800 = 0x24 2040aa4bb8b8SJacopo Mondi * [5] = 1 : Gate clock when 'no packets' 2041aa4bb8b8SJacopo Mondi * [2] = 1 : MIPI bus in LP11 when 'no packets' 2042aa4bb8b8SJacopo Mondi */ 2043aa4bb8b8SJacopo Mondi ret = ov5640_write_reg(sensor, 2044aa4bb8b8SJacopo Mondi OV5640_REG_MIPI_CTRL00, 0x24); 204519a81c14SSteve Longerbeam if (ret) 204619a81c14SSteve Longerbeam goto power_off; 2047aa4bb8b8SJacopo Mondi 2048aa4bb8b8SJacopo Mondi /* 2049aa4bb8b8SJacopo Mondi * Set data lanes and clock in LP11 when 'sleeping' 2050aa4bb8b8SJacopo Mondi * 2051aa4bb8b8SJacopo Mondi * 0x3019 = 0x70 2052aa4bb8b8SJacopo Mondi * [6] = 1 : MIPI data lane 2 in LP11 when 'sleeping' 2053aa4bb8b8SJacopo Mondi * [5] = 1 : MIPI data lane 1 in LP11 when 'sleeping' 2054aa4bb8b8SJacopo Mondi * [4] = 1 : MIPI clock lane in LP11 when 'sleeping' 2055aa4bb8b8SJacopo Mondi */ 2056aa4bb8b8SJacopo Mondi ret = ov5640_write_reg(sensor, 2057aa4bb8b8SJacopo Mondi OV5640_REG_PAD_OUTPUT00, 0x70); 2058aa4bb8b8SJacopo Mondi if (ret) 2059aa4bb8b8SJacopo Mondi goto power_off; 2060aa4bb8b8SJacopo Mondi 2061aa4bb8b8SJacopo Mondi /* Give lanes some time to coax into LP11 state. */ 2062aa4bb8b8SJacopo Mondi usleep_range(500, 1000); 2063aa4bb8b8SJacopo Mondi 2064aa4bb8b8SJacopo Mondi } else { 20652d95e7edSSakari Ailus if (sensor->ep.bus_type == V4L2_MBUS_CSI2_DPHY) { 2066aa4bb8b8SJacopo Mondi /* Reset MIPI bus settings to their default values. */ 2067aa4bb8b8SJacopo Mondi ov5640_write_reg(sensor, 2068aa4bb8b8SJacopo Mondi OV5640_REG_IO_MIPI_CTRL00, 0x58); 2069aa4bb8b8SJacopo Mondi ov5640_write_reg(sensor, 2070aa4bb8b8SJacopo Mondi OV5640_REG_MIPI_CTRL00, 0x04); 2071aa4bb8b8SJacopo Mondi ov5640_write_reg(sensor, 2072aa4bb8b8SJacopo Mondi OV5640_REG_PAD_OUTPUT00, 0x00); 2073aa4bb8b8SJacopo Mondi } 2074aa4bb8b8SJacopo Mondi 2075aa4bb8b8SJacopo Mondi ov5640_set_power_off(sensor); 2076f22996dbSHugues Fruchet } 207719a81c14SSteve Longerbeam 207819a81c14SSteve Longerbeam return 0; 207919a81c14SSteve Longerbeam 208019a81c14SSteve Longerbeam power_off: 20810f7acb52SHugues Fruchet ov5640_set_power_off(sensor); 208219a81c14SSteve Longerbeam return ret; 208319a81c14SSteve Longerbeam } 208419a81c14SSteve Longerbeam 208519a81c14SSteve Longerbeam /* --------------- Subdev Operations --------------- */ 208619a81c14SSteve Longerbeam 208719a81c14SSteve Longerbeam static int ov5640_s_power(struct v4l2_subdev *sd, int on) 208819a81c14SSteve Longerbeam { 208919a81c14SSteve Longerbeam struct ov5640_dev *sensor = to_ov5640_dev(sd); 209019a81c14SSteve Longerbeam int ret = 0; 209119a81c14SSteve Longerbeam 209219a81c14SSteve Longerbeam mutex_lock(&sensor->lock); 209319a81c14SSteve Longerbeam 209419a81c14SSteve Longerbeam /* 209519a81c14SSteve Longerbeam * If the power count is modified from 0 to != 0 or from != 0 to 0, 209619a81c14SSteve Longerbeam * update the power state. 209719a81c14SSteve Longerbeam */ 209819a81c14SSteve Longerbeam if (sensor->power_count == !on) { 209919a81c14SSteve Longerbeam ret = ov5640_set_power(sensor, !!on); 210019a81c14SSteve Longerbeam if (ret) 210119a81c14SSteve Longerbeam goto out; 210219a81c14SSteve Longerbeam } 210319a81c14SSteve Longerbeam 210419a81c14SSteve Longerbeam /* Update the power count. */ 210519a81c14SSteve Longerbeam sensor->power_count += on ? 1 : -1; 210619a81c14SSteve Longerbeam WARN_ON(sensor->power_count < 0); 210719a81c14SSteve Longerbeam out: 210819a81c14SSteve Longerbeam mutex_unlock(&sensor->lock); 210919a81c14SSteve Longerbeam 211019a81c14SSteve Longerbeam if (on && !ret && sensor->power_count == 1) { 211119a81c14SSteve Longerbeam /* restore controls */ 211219a81c14SSteve Longerbeam ret = v4l2_ctrl_handler_setup(&sensor->ctrls.handler); 211319a81c14SSteve Longerbeam } 211419a81c14SSteve Longerbeam 211519a81c14SSteve Longerbeam return ret; 211619a81c14SSteve Longerbeam } 211719a81c14SSteve Longerbeam 211819a81c14SSteve Longerbeam static int ov5640_try_frame_interval(struct ov5640_dev *sensor, 211919a81c14SSteve Longerbeam struct v4l2_fract *fi, 212019a81c14SSteve Longerbeam u32 width, u32 height) 212119a81c14SSteve Longerbeam { 212219a81c14SSteve Longerbeam const struct ov5640_mode_info *mode; 21236530a5ebSJagan Teki enum ov5640_frame_rate rate = OV5640_15_FPS; 2124f6cc192fSMaxime Ripard int minfps, maxfps, best_fps, fps; 2125f6cc192fSMaxime Ripard int i; 212619a81c14SSteve Longerbeam 212719a81c14SSteve Longerbeam minfps = ov5640_framerates[OV5640_15_FPS]; 2128e823fb16SMaxime Ripard maxfps = ov5640_framerates[OV5640_60_FPS]; 212919a81c14SSteve Longerbeam 213019a81c14SSteve Longerbeam if (fi->numerator == 0) { 213119a81c14SSteve Longerbeam fi->denominator = maxfps; 213219a81c14SSteve Longerbeam fi->numerator = 1; 2133e823fb16SMaxime Ripard rate = OV5640_60_FPS; 2134e823fb16SMaxime Ripard goto find_mode; 213519a81c14SSteve Longerbeam } 213619a81c14SSteve Longerbeam 2137f6cc192fSMaxime Ripard fps = clamp_val(DIV_ROUND_CLOSEST(fi->denominator, fi->numerator), 2138f6cc192fSMaxime Ripard minfps, maxfps); 2139f6cc192fSMaxime Ripard 2140f6cc192fSMaxime Ripard best_fps = minfps; 2141f6cc192fSMaxime Ripard for (i = 0; i < ARRAY_SIZE(ov5640_framerates); i++) { 2142f6cc192fSMaxime Ripard int curr_fps = ov5640_framerates[i]; 2143f6cc192fSMaxime Ripard 2144f6cc192fSMaxime Ripard if (abs(curr_fps - fps) < abs(best_fps - fps)) { 2145f6cc192fSMaxime Ripard best_fps = curr_fps; 2146f6cc192fSMaxime Ripard rate = i; 2147f6cc192fSMaxime Ripard } 2148f6cc192fSMaxime Ripard } 214919a81c14SSteve Longerbeam 215019a81c14SSteve Longerbeam fi->numerator = 1; 2151f6cc192fSMaxime Ripard fi->denominator = best_fps; 215219a81c14SSteve Longerbeam 2153e823fb16SMaxime Ripard find_mode: 21545a3ad937SMaxime Ripard mode = ov5640_find_mode(sensor, rate, width, height, false); 21555a3ad937SMaxime Ripard return mode ? rate : -EINVAL; 215619a81c14SSteve Longerbeam } 215719a81c14SSteve Longerbeam 215819a81c14SSteve Longerbeam static int ov5640_get_fmt(struct v4l2_subdev *sd, 215919a81c14SSteve Longerbeam struct v4l2_subdev_pad_config *cfg, 216019a81c14SSteve Longerbeam struct v4l2_subdev_format *format) 216119a81c14SSteve Longerbeam { 216219a81c14SSteve Longerbeam struct ov5640_dev *sensor = to_ov5640_dev(sd); 216319a81c14SSteve Longerbeam struct v4l2_mbus_framefmt *fmt; 216419a81c14SSteve Longerbeam 216519a81c14SSteve Longerbeam if (format->pad != 0) 216619a81c14SSteve Longerbeam return -EINVAL; 216719a81c14SSteve Longerbeam 216819a81c14SSteve Longerbeam mutex_lock(&sensor->lock); 216919a81c14SSteve Longerbeam 217019a81c14SSteve Longerbeam if (format->which == V4L2_SUBDEV_FORMAT_TRY) 217119a81c14SSteve Longerbeam fmt = v4l2_subdev_get_try_format(&sensor->sd, cfg, 217219a81c14SSteve Longerbeam format->pad); 217319a81c14SSteve Longerbeam else 217419a81c14SSteve Longerbeam fmt = &sensor->fmt; 217519a81c14SSteve Longerbeam 217619a81c14SSteve Longerbeam format->format = *fmt; 217719a81c14SSteve Longerbeam 217819a81c14SSteve Longerbeam mutex_unlock(&sensor->lock); 217919a81c14SSteve Longerbeam 218019a81c14SSteve Longerbeam return 0; 218119a81c14SSteve Longerbeam } 218219a81c14SSteve Longerbeam 218319a81c14SSteve Longerbeam static int ov5640_try_fmt_internal(struct v4l2_subdev *sd, 218419a81c14SSteve Longerbeam struct v4l2_mbus_framefmt *fmt, 218519a81c14SSteve Longerbeam enum ov5640_frame_rate fr, 218619a81c14SSteve Longerbeam const struct ov5640_mode_info **new_mode) 218719a81c14SSteve Longerbeam { 218819a81c14SSteve Longerbeam struct ov5640_dev *sensor = to_ov5640_dev(sd); 218919a81c14SSteve Longerbeam const struct ov5640_mode_info *mode; 2190e3ee691dSHugues Fruchet int i; 219119a81c14SSteve Longerbeam 219219a81c14SSteve Longerbeam mode = ov5640_find_mode(sensor, fr, fmt->width, fmt->height, true); 219319a81c14SSteve Longerbeam if (!mode) 219419a81c14SSteve Longerbeam return -EINVAL; 2195dba13a0bSMaxime Ripard fmt->width = mode->hact; 2196dba13a0bSMaxime Ripard fmt->height = mode->vact; 219719a81c14SSteve Longerbeam 219819a81c14SSteve Longerbeam if (new_mode) 219919a81c14SSteve Longerbeam *new_mode = mode; 2200e3ee691dSHugues Fruchet 2201e3ee691dSHugues Fruchet for (i = 0; i < ARRAY_SIZE(ov5640_formats); i++) 2202e3ee691dSHugues Fruchet if (ov5640_formats[i].code == fmt->code) 2203e3ee691dSHugues Fruchet break; 2204e3ee691dSHugues Fruchet if (i >= ARRAY_SIZE(ov5640_formats)) 2205e6441fdeSHugues Fruchet i = 0; 2206e6441fdeSHugues Fruchet 2207e6441fdeSHugues Fruchet fmt->code = ov5640_formats[i].code; 2208e6441fdeSHugues Fruchet fmt->colorspace = ov5640_formats[i].colorspace; 2209e6441fdeSHugues Fruchet fmt->ycbcr_enc = V4L2_MAP_YCBCR_ENC_DEFAULT(fmt->colorspace); 2210e6441fdeSHugues Fruchet fmt->quantization = V4L2_QUANTIZATION_FULL_RANGE; 2211e6441fdeSHugues Fruchet fmt->xfer_func = V4L2_MAP_XFER_FUNC_DEFAULT(fmt->colorspace); 2212e3ee691dSHugues Fruchet 221319a81c14SSteve Longerbeam return 0; 221419a81c14SSteve Longerbeam } 221519a81c14SSteve Longerbeam 221619a81c14SSteve Longerbeam static int ov5640_set_fmt(struct v4l2_subdev *sd, 221719a81c14SSteve Longerbeam struct v4l2_subdev_pad_config *cfg, 221819a81c14SSteve Longerbeam struct v4l2_subdev_format *format) 221919a81c14SSteve Longerbeam { 222019a81c14SSteve Longerbeam struct ov5640_dev *sensor = to_ov5640_dev(sd); 222119a81c14SSteve Longerbeam const struct ov5640_mode_info *new_mode; 2222e6441fdeSHugues Fruchet struct v4l2_mbus_framefmt *mbus_fmt = &format->format; 222307115449SJacopo Mondi struct v4l2_mbus_framefmt *fmt; 222419a81c14SSteve Longerbeam int ret; 222519a81c14SSteve Longerbeam 222619a81c14SSteve Longerbeam if (format->pad != 0) 222719a81c14SSteve Longerbeam return -EINVAL; 222819a81c14SSteve Longerbeam 222919a81c14SSteve Longerbeam mutex_lock(&sensor->lock); 223019a81c14SSteve Longerbeam 223119a81c14SSteve Longerbeam if (sensor->streaming) { 223219a81c14SSteve Longerbeam ret = -EBUSY; 223319a81c14SSteve Longerbeam goto out; 223419a81c14SSteve Longerbeam } 223519a81c14SSteve Longerbeam 2236e6441fdeSHugues Fruchet ret = ov5640_try_fmt_internal(sd, mbus_fmt, 223719a81c14SSteve Longerbeam sensor->current_fr, &new_mode); 223819a81c14SSteve Longerbeam if (ret) 223919a81c14SSteve Longerbeam goto out; 224019a81c14SSteve Longerbeam 224107115449SJacopo Mondi if (format->which == V4L2_SUBDEV_FORMAT_TRY) 224207115449SJacopo Mondi fmt = v4l2_subdev_get_try_format(sd, cfg, 0); 224307115449SJacopo Mondi else 224407115449SJacopo Mondi fmt = &sensor->fmt; 224519a81c14SSteve Longerbeam 2246e6441fdeSHugues Fruchet *fmt = *mbus_fmt; 224719a81c14SSteve Longerbeam 22486949d864SHugues Fruchet if (new_mode != sensor->current_mode) { 224919a81c14SSteve Longerbeam sensor->current_mode = new_mode; 225019a81c14SSteve Longerbeam sensor->pending_mode_change = true; 22516949d864SHugues Fruchet } 225207115449SJacopo Mondi if (mbus_fmt->code != sensor->fmt.code) 2253fb98e29fSHugues Fruchet sensor->pending_fmt_change = true; 225407115449SJacopo Mondi 2255cc196e48SBenoit Parrot __v4l2_ctrl_s_ctrl_int64(sensor->ctrls.pixel_rate, 2256cc196e48SBenoit Parrot ov5640_calc_pixel_rate(sensor)); 225719a81c14SSteve Longerbeam out: 225819a81c14SSteve Longerbeam mutex_unlock(&sensor->lock); 225919a81c14SSteve Longerbeam return ret; 226019a81c14SSteve Longerbeam } 226119a81c14SSteve Longerbeam 2262e3ee691dSHugues Fruchet static int ov5640_set_framefmt(struct ov5640_dev *sensor, 2263e3ee691dSHugues Fruchet struct v4l2_mbus_framefmt *format) 2264e3ee691dSHugues Fruchet { 2265e3ee691dSHugues Fruchet int ret = 0; 2266d47c4126SHugues Fruchet bool is_jpeg = false; 2267b7ed3abdSLoic Poulain u8 fmt, mux; 2268e3ee691dSHugues Fruchet 2269e3ee691dSHugues Fruchet switch (format->code) { 2270e3ee691dSHugues Fruchet case MEDIA_BUS_FMT_UYVY8_2X8: 2271e3ee691dSHugues Fruchet /* YUV422, UYVY */ 2272b7ed3abdSLoic Poulain fmt = 0x3f; 2273b7ed3abdSLoic Poulain mux = OV5640_FMT_MUX_YUV422; 2274e3ee691dSHugues Fruchet break; 2275e3ee691dSHugues Fruchet case MEDIA_BUS_FMT_YUYV8_2X8: 2276e3ee691dSHugues Fruchet /* YUV422, YUYV */ 2277b7ed3abdSLoic Poulain fmt = 0x30; 2278b7ed3abdSLoic Poulain mux = OV5640_FMT_MUX_YUV422; 2279e3ee691dSHugues Fruchet break; 2280e3ee691dSHugues Fruchet case MEDIA_BUS_FMT_RGB565_2X8_LE: 2281e3ee691dSHugues Fruchet /* RGB565 {g[2:0],b[4:0]},{r[4:0],g[5:3]} */ 2282b7ed3abdSLoic Poulain fmt = 0x6F; 2283b7ed3abdSLoic Poulain mux = OV5640_FMT_MUX_RGB; 2284e3ee691dSHugues Fruchet break; 2285e3ee691dSHugues Fruchet case MEDIA_BUS_FMT_RGB565_2X8_BE: 2286e3ee691dSHugues Fruchet /* RGB565 {r[4:0],g[5:3]},{g[2:0],b[4:0]} */ 2287b7ed3abdSLoic Poulain fmt = 0x61; 2288b7ed3abdSLoic Poulain mux = OV5640_FMT_MUX_RGB; 2289e3ee691dSHugues Fruchet break; 2290d47c4126SHugues Fruchet case MEDIA_BUS_FMT_JPEG_1X8: 2291d47c4126SHugues Fruchet /* YUV422, YUYV */ 2292b7ed3abdSLoic Poulain fmt = 0x30; 2293b7ed3abdSLoic Poulain mux = OV5640_FMT_MUX_YUV422; 2294d47c4126SHugues Fruchet is_jpeg = true; 2295d47c4126SHugues Fruchet break; 2296b7ed3abdSLoic Poulain case MEDIA_BUS_FMT_SBGGR8_1X8: 2297b7ed3abdSLoic Poulain /* Raw, BGBG... / GRGR... */ 2298b7ed3abdSLoic Poulain fmt = 0x00; 2299b7ed3abdSLoic Poulain mux = OV5640_FMT_MUX_RAW_DPC; 2300b7ed3abdSLoic Poulain break; 2301b7ed3abdSLoic Poulain case MEDIA_BUS_FMT_SGBRG8_1X8: 2302b7ed3abdSLoic Poulain /* Raw bayer, GBGB... / RGRG... */ 2303b7ed3abdSLoic Poulain fmt = 0x01; 2304b7ed3abdSLoic Poulain mux = OV5640_FMT_MUX_RAW_DPC; 2305b7ed3abdSLoic Poulain break; 2306b7ed3abdSLoic Poulain case MEDIA_BUS_FMT_SGRBG8_1X8: 2307b7ed3abdSLoic Poulain /* Raw bayer, GRGR... / BGBG... */ 2308b7ed3abdSLoic Poulain fmt = 0x02; 2309b7ed3abdSLoic Poulain mux = OV5640_FMT_MUX_RAW_DPC; 2310b7ed3abdSLoic Poulain break; 2311b7ed3abdSLoic Poulain case MEDIA_BUS_FMT_SRGGB8_1X8: 2312b7ed3abdSLoic Poulain /* Raw bayer, RGRG... / GBGB... */ 2313b7ed3abdSLoic Poulain fmt = 0x03; 2314b7ed3abdSLoic Poulain mux = OV5640_FMT_MUX_RAW_DPC; 2315b7ed3abdSLoic Poulain break; 2316e3ee691dSHugues Fruchet default: 2317e3ee691dSHugues Fruchet return -EINVAL; 2318e3ee691dSHugues Fruchet } 2319e3ee691dSHugues Fruchet 2320e3ee691dSHugues Fruchet /* FORMAT CONTROL00: YUV and RGB formatting */ 2321b7ed3abdSLoic Poulain ret = ov5640_write_reg(sensor, OV5640_REG_FORMAT_CONTROL00, fmt); 2322e3ee691dSHugues Fruchet if (ret) 2323e3ee691dSHugues Fruchet return ret; 2324e3ee691dSHugues Fruchet 2325e3ee691dSHugues Fruchet /* FORMAT MUX CONTROL: ISP YUV or RGB */ 2326b7ed3abdSLoic Poulain ret = ov5640_write_reg(sensor, OV5640_REG_ISP_FORMAT_MUX_CTRL, mux); 2327d47c4126SHugues Fruchet if (ret) 2328d47c4126SHugues Fruchet return ret; 2329d47c4126SHugues Fruchet 2330d47c4126SHugues Fruchet /* 2331d47c4126SHugues Fruchet * TIMING TC REG21: 2332d47c4126SHugues Fruchet * - [5]: JPEG enable 2333d47c4126SHugues Fruchet */ 2334d47c4126SHugues Fruchet ret = ov5640_mod_reg(sensor, OV5640_REG_TIMING_TC_REG21, 2335d47c4126SHugues Fruchet BIT(5), is_jpeg ? BIT(5) : 0); 2336d47c4126SHugues Fruchet if (ret) 2337d47c4126SHugues Fruchet return ret; 2338d47c4126SHugues Fruchet 2339d47c4126SHugues Fruchet /* 2340d47c4126SHugues Fruchet * SYSTEM RESET02: 2341d47c4126SHugues Fruchet * - [4]: Reset JFIFO 2342d47c4126SHugues Fruchet * - [3]: Reset SFIFO 2343d47c4126SHugues Fruchet * - [2]: Reset JPEG 2344d47c4126SHugues Fruchet */ 2345d47c4126SHugues Fruchet ret = ov5640_mod_reg(sensor, OV5640_REG_SYS_RESET02, 2346d47c4126SHugues Fruchet BIT(4) | BIT(3) | BIT(2), 2347d47c4126SHugues Fruchet is_jpeg ? 0 : (BIT(4) | BIT(3) | BIT(2))); 2348d47c4126SHugues Fruchet if (ret) 2349d47c4126SHugues Fruchet return ret; 2350d47c4126SHugues Fruchet 2351d47c4126SHugues Fruchet /* 2352d47c4126SHugues Fruchet * CLOCK ENABLE02: 2353d47c4126SHugues Fruchet * - [5]: Enable JPEG 2x clock 2354d47c4126SHugues Fruchet * - [3]: Enable JPEG clock 2355d47c4126SHugues Fruchet */ 2356d47c4126SHugues Fruchet return ov5640_mod_reg(sensor, OV5640_REG_SYS_CLOCK_ENABLE02, 2357d47c4126SHugues Fruchet BIT(5) | BIT(3), 2358d47c4126SHugues Fruchet is_jpeg ? (BIT(5) | BIT(3)) : 0); 2359e3ee691dSHugues Fruchet } 236019a81c14SSteve Longerbeam 236119a81c14SSteve Longerbeam /* 236219a81c14SSteve Longerbeam * Sensor Controls. 236319a81c14SSteve Longerbeam */ 236419a81c14SSteve Longerbeam 236519a81c14SSteve Longerbeam static int ov5640_set_ctrl_hue(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(0), BIT(0)); 237219a81c14SSteve Longerbeam if (ret) 237319a81c14SSteve Longerbeam return ret; 237419a81c14SSteve Longerbeam ret = ov5640_write_reg16(sensor, OV5640_REG_SDE_CTRL1, value); 237519a81c14SSteve Longerbeam } else { 237619a81c14SSteve Longerbeam ret = ov5640_mod_reg(sensor, OV5640_REG_SDE_CTRL0, BIT(0), 0); 237719a81c14SSteve Longerbeam } 237819a81c14SSteve Longerbeam 237919a81c14SSteve Longerbeam return ret; 238019a81c14SSteve Longerbeam } 238119a81c14SSteve Longerbeam 238219a81c14SSteve Longerbeam static int ov5640_set_ctrl_contrast(struct ov5640_dev *sensor, int value) 238319a81c14SSteve Longerbeam { 238419a81c14SSteve Longerbeam int ret; 238519a81c14SSteve Longerbeam 238619a81c14SSteve Longerbeam if (value) { 238719a81c14SSteve Longerbeam ret = ov5640_mod_reg(sensor, OV5640_REG_SDE_CTRL0, 238819a81c14SSteve Longerbeam BIT(2), BIT(2)); 238919a81c14SSteve Longerbeam if (ret) 239019a81c14SSteve Longerbeam return ret; 239119a81c14SSteve Longerbeam ret = ov5640_write_reg(sensor, OV5640_REG_SDE_CTRL5, 239219a81c14SSteve Longerbeam value & 0xff); 239319a81c14SSteve Longerbeam } else { 239419a81c14SSteve Longerbeam ret = ov5640_mod_reg(sensor, OV5640_REG_SDE_CTRL0, BIT(2), 0); 239519a81c14SSteve Longerbeam } 239619a81c14SSteve Longerbeam 239719a81c14SSteve Longerbeam return ret; 239819a81c14SSteve Longerbeam } 239919a81c14SSteve Longerbeam 240019a81c14SSteve Longerbeam static int ov5640_set_ctrl_saturation(struct ov5640_dev *sensor, int value) 240119a81c14SSteve Longerbeam { 240219a81c14SSteve Longerbeam int ret; 240319a81c14SSteve Longerbeam 240419a81c14SSteve Longerbeam if (value) { 240519a81c14SSteve Longerbeam ret = ov5640_mod_reg(sensor, OV5640_REG_SDE_CTRL0, 240619a81c14SSteve Longerbeam BIT(1), BIT(1)); 240719a81c14SSteve Longerbeam if (ret) 240819a81c14SSteve Longerbeam return ret; 240919a81c14SSteve Longerbeam ret = ov5640_write_reg(sensor, OV5640_REG_SDE_CTRL3, 241019a81c14SSteve Longerbeam value & 0xff); 241119a81c14SSteve Longerbeam if (ret) 241219a81c14SSteve Longerbeam return ret; 241319a81c14SSteve Longerbeam ret = ov5640_write_reg(sensor, OV5640_REG_SDE_CTRL4, 241419a81c14SSteve Longerbeam value & 0xff); 241519a81c14SSteve Longerbeam } else { 241619a81c14SSteve Longerbeam ret = ov5640_mod_reg(sensor, OV5640_REG_SDE_CTRL0, BIT(1), 0); 241719a81c14SSteve Longerbeam } 241819a81c14SSteve Longerbeam 241919a81c14SSteve Longerbeam return ret; 242019a81c14SSteve Longerbeam } 242119a81c14SSteve Longerbeam 242219a81c14SSteve Longerbeam static int ov5640_set_ctrl_white_balance(struct ov5640_dev *sensor, int awb) 242319a81c14SSteve Longerbeam { 242419a81c14SSteve Longerbeam int ret; 242519a81c14SSteve Longerbeam 242619a81c14SSteve Longerbeam ret = ov5640_mod_reg(sensor, OV5640_REG_AWB_MANUAL_CTRL, 242719a81c14SSteve Longerbeam BIT(0), awb ? 0 : 1); 242819a81c14SSteve Longerbeam if (ret) 242919a81c14SSteve Longerbeam return ret; 243019a81c14SSteve Longerbeam 243119a81c14SSteve Longerbeam if (!awb) { 243219a81c14SSteve Longerbeam u16 red = (u16)sensor->ctrls.red_balance->val; 243319a81c14SSteve Longerbeam u16 blue = (u16)sensor->ctrls.blue_balance->val; 243419a81c14SSteve Longerbeam 243519a81c14SSteve Longerbeam ret = ov5640_write_reg16(sensor, OV5640_REG_AWB_R_GAIN, red); 243619a81c14SSteve Longerbeam if (ret) 243719a81c14SSteve Longerbeam return ret; 243819a81c14SSteve Longerbeam ret = ov5640_write_reg16(sensor, OV5640_REG_AWB_B_GAIN, blue); 243919a81c14SSteve Longerbeam } 244019a81c14SSteve Longerbeam 244119a81c14SSteve Longerbeam return ret; 244219a81c14SSteve Longerbeam } 244319a81c14SSteve Longerbeam 24443cca8ef5SHugues Fruchet static int ov5640_set_ctrl_exposure(struct ov5640_dev *sensor, 24453cca8ef5SHugues Fruchet enum v4l2_exposure_auto_type auto_exposure) 244619a81c14SSteve Longerbeam { 244719a81c14SSteve Longerbeam struct ov5640_ctrls *ctrls = &sensor->ctrls; 24483cca8ef5SHugues Fruchet bool auto_exp = (auto_exposure == V4L2_EXPOSURE_AUTO); 244919a81c14SSteve Longerbeam int ret = 0; 245019a81c14SSteve Longerbeam 245119a81c14SSteve Longerbeam if (ctrls->auto_exp->is_new) { 24523cca8ef5SHugues Fruchet ret = ov5640_set_autoexposure(sensor, auto_exp); 245319a81c14SSteve Longerbeam if (ret) 245419a81c14SSteve Longerbeam return ret; 245519a81c14SSteve Longerbeam } 245619a81c14SSteve Longerbeam 24573cca8ef5SHugues Fruchet if (!auto_exp && ctrls->exposure->is_new) { 245819a81c14SSteve Longerbeam u16 max_exp; 245919a81c14SSteve Longerbeam 246019a81c14SSteve Longerbeam ret = ov5640_read_reg16(sensor, OV5640_REG_AEC_PK_VTS, 246119a81c14SSteve Longerbeam &max_exp); 246219a81c14SSteve Longerbeam if (ret) 246319a81c14SSteve Longerbeam return ret; 246419a81c14SSteve Longerbeam ret = ov5640_get_vts(sensor); 246519a81c14SSteve Longerbeam if (ret < 0) 246619a81c14SSteve Longerbeam return ret; 246719a81c14SSteve Longerbeam max_exp += ret; 24686146fde3SHugues Fruchet ret = 0; 246919a81c14SSteve Longerbeam 247019a81c14SSteve Longerbeam if (ctrls->exposure->val < max_exp) 247119a81c14SSteve Longerbeam ret = ov5640_set_exposure(sensor, ctrls->exposure->val); 247219a81c14SSteve Longerbeam } 247319a81c14SSteve Longerbeam 247419a81c14SSteve Longerbeam return ret; 247519a81c14SSteve Longerbeam } 247619a81c14SSteve Longerbeam 24773cca8ef5SHugues Fruchet static int ov5640_set_ctrl_gain(struct ov5640_dev *sensor, bool auto_gain) 247819a81c14SSteve Longerbeam { 247919a81c14SSteve Longerbeam struct ov5640_ctrls *ctrls = &sensor->ctrls; 248019a81c14SSteve Longerbeam int ret = 0; 248119a81c14SSteve Longerbeam 248219a81c14SSteve Longerbeam if (ctrls->auto_gain->is_new) { 24833cca8ef5SHugues Fruchet ret = ov5640_set_autogain(sensor, auto_gain); 248419a81c14SSteve Longerbeam if (ret) 248519a81c14SSteve Longerbeam return ret; 248619a81c14SSteve Longerbeam } 248719a81c14SSteve Longerbeam 24883cca8ef5SHugues Fruchet if (!auto_gain && ctrls->gain->is_new) 24893cca8ef5SHugues Fruchet ret = ov5640_set_gain(sensor, ctrls->gain->val); 249019a81c14SSteve Longerbeam 249119a81c14SSteve Longerbeam return ret; 249219a81c14SSteve Longerbeam } 249319a81c14SSteve Longerbeam 24949f6d7bacSChen-Yu Tsai static const char * const test_pattern_menu[] = { 24959f6d7bacSChen-Yu Tsai "Disabled", 24969f6d7bacSChen-Yu Tsai "Color bars", 2497bddc5cdfSChen-Yu Tsai "Color bars w/ rolling bar", 2498bddc5cdfSChen-Yu Tsai "Color squares", 2499bddc5cdfSChen-Yu Tsai "Color squares w/ rolling bar", 25009f6d7bacSChen-Yu Tsai }; 25019f6d7bacSChen-Yu Tsai 2502a0c29afbSChen-Yu Tsai #define OV5640_TEST_ENABLE BIT(7) 2503a0c29afbSChen-Yu Tsai #define OV5640_TEST_ROLLING BIT(6) /* rolling horizontal bar */ 2504a0c29afbSChen-Yu Tsai #define OV5640_TEST_TRANSPARENT BIT(5) 2505a0c29afbSChen-Yu Tsai #define OV5640_TEST_SQUARE_BW BIT(4) /* black & white squares */ 2506a0c29afbSChen-Yu Tsai #define OV5640_TEST_BAR_STANDARD (0 << 2) 2507a0c29afbSChen-Yu Tsai #define OV5640_TEST_BAR_VERT_CHANGE_1 (1 << 2) 2508a0c29afbSChen-Yu Tsai #define OV5640_TEST_BAR_HOR_CHANGE (2 << 2) 2509a0c29afbSChen-Yu Tsai #define OV5640_TEST_BAR_VERT_CHANGE_2 (3 << 2) 2510a0c29afbSChen-Yu Tsai #define OV5640_TEST_BAR (0 << 0) 2511a0c29afbSChen-Yu Tsai #define OV5640_TEST_RANDOM (1 << 0) 2512a0c29afbSChen-Yu Tsai #define OV5640_TEST_SQUARE (2 << 0) 2513a0c29afbSChen-Yu Tsai #define OV5640_TEST_BLACK (3 << 0) 2514a0c29afbSChen-Yu Tsai 2515a0c29afbSChen-Yu Tsai static const u8 test_pattern_val[] = { 2516a0c29afbSChen-Yu Tsai 0, 25172aff1fc3SChen-Yu Tsai OV5640_TEST_ENABLE | OV5640_TEST_BAR_VERT_CHANGE_1 | 2518a0c29afbSChen-Yu Tsai OV5640_TEST_BAR, 2519bddc5cdfSChen-Yu Tsai OV5640_TEST_ENABLE | OV5640_TEST_ROLLING | 2520bddc5cdfSChen-Yu Tsai OV5640_TEST_BAR_VERT_CHANGE_1 | OV5640_TEST_BAR, 2521bddc5cdfSChen-Yu Tsai OV5640_TEST_ENABLE | OV5640_TEST_SQUARE, 2522bddc5cdfSChen-Yu Tsai OV5640_TEST_ENABLE | OV5640_TEST_ROLLING | OV5640_TEST_SQUARE, 2523a0c29afbSChen-Yu Tsai }; 2524a0c29afbSChen-Yu Tsai 252519a81c14SSteve Longerbeam static int ov5640_set_ctrl_test_pattern(struct ov5640_dev *sensor, int value) 252619a81c14SSteve Longerbeam { 2527a0c29afbSChen-Yu Tsai return ov5640_write_reg(sensor, OV5640_REG_PRE_ISP_TEST_SET1, 2528a0c29afbSChen-Yu Tsai test_pattern_val[value]); 252919a81c14SSteve Longerbeam } 253019a81c14SSteve Longerbeam 25311068fecaSMylène Josserand static int ov5640_set_ctrl_light_freq(struct ov5640_dev *sensor, int value) 25321068fecaSMylène Josserand { 25331068fecaSMylène Josserand int ret; 25341068fecaSMylène Josserand 25351068fecaSMylène Josserand ret = ov5640_mod_reg(sensor, OV5640_REG_HZ5060_CTRL01, BIT(7), 25361068fecaSMylène Josserand (value == V4L2_CID_POWER_LINE_FREQUENCY_AUTO) ? 25371068fecaSMylène Josserand 0 : BIT(7)); 25381068fecaSMylène Josserand if (ret) 25391068fecaSMylène Josserand return ret; 25401068fecaSMylène Josserand 25411068fecaSMylène Josserand return ov5640_mod_reg(sensor, OV5640_REG_HZ5060_CTRL00, BIT(2), 25421068fecaSMylène Josserand (value == V4L2_CID_POWER_LINE_FREQUENCY_50HZ) ? 25431068fecaSMylène Josserand BIT(2) : 0); 25441068fecaSMylène Josserand } 25451068fecaSMylène Josserand 2546ce85705aSHugues Fruchet static int ov5640_set_ctrl_hflip(struct ov5640_dev *sensor, int value) 2547ce85705aSHugues Fruchet { 2548ce85705aSHugues Fruchet /* 2549c3f3ba3eSHugues Fruchet * If sensor is mounted upside down, mirror logic is inversed. 2550c3f3ba3eSHugues Fruchet * 2551ce85705aSHugues Fruchet * Sensor is a BSI (Back Side Illuminated) one, 2552ce85705aSHugues Fruchet * so image captured is physically mirrored. 2553ce85705aSHugues Fruchet * This is why mirror logic is inversed in 2554ce85705aSHugues Fruchet * order to cancel this mirror effect. 2555ce85705aSHugues Fruchet */ 2556ce85705aSHugues Fruchet 2557ce85705aSHugues Fruchet /* 2558ce85705aSHugues Fruchet * TIMING TC REG21: 2559ce85705aSHugues Fruchet * - [2]: ISP mirror 2560ce85705aSHugues Fruchet * - [1]: Sensor mirror 2561ce85705aSHugues Fruchet */ 2562ce85705aSHugues Fruchet return ov5640_mod_reg(sensor, OV5640_REG_TIMING_TC_REG21, 2563ce85705aSHugues Fruchet BIT(2) | BIT(1), 2564c3f3ba3eSHugues Fruchet (!(value ^ sensor->upside_down)) ? 2565c3f3ba3eSHugues Fruchet (BIT(2) | BIT(1)) : 0); 2566ce85705aSHugues Fruchet } 2567ce85705aSHugues Fruchet 2568ce85705aSHugues Fruchet static int ov5640_set_ctrl_vflip(struct ov5640_dev *sensor, int value) 2569ce85705aSHugues Fruchet { 2570c3f3ba3eSHugues Fruchet /* If sensor is mounted upside down, flip logic is inversed */ 2571c3f3ba3eSHugues Fruchet 2572ce85705aSHugues Fruchet /* 2573ce85705aSHugues Fruchet * TIMING TC REG20: 2574ce85705aSHugues Fruchet * - [2]: ISP vflip 2575ce85705aSHugues Fruchet * - [1]: Sensor vflip 2576ce85705aSHugues Fruchet */ 2577ce85705aSHugues Fruchet return ov5640_mod_reg(sensor, OV5640_REG_TIMING_TC_REG20, 2578ce85705aSHugues Fruchet BIT(2) | BIT(1), 2579c3f3ba3eSHugues Fruchet (value ^ sensor->upside_down) ? 2580c3f3ba3eSHugues Fruchet (BIT(2) | BIT(1)) : 0); 2581ce85705aSHugues Fruchet } 2582ce85705aSHugues Fruchet 258319a81c14SSteve Longerbeam static int ov5640_g_volatile_ctrl(struct v4l2_ctrl *ctrl) 258419a81c14SSteve Longerbeam { 258519a81c14SSteve Longerbeam struct v4l2_subdev *sd = ctrl_to_sd(ctrl); 258619a81c14SSteve Longerbeam struct ov5640_dev *sensor = to_ov5640_dev(sd); 258719a81c14SSteve Longerbeam int val; 258819a81c14SSteve Longerbeam 258919a81c14SSteve Longerbeam /* v4l2_ctrl_lock() locks our own mutex */ 259019a81c14SSteve Longerbeam 259119a81c14SSteve Longerbeam switch (ctrl->id) { 259219a81c14SSteve Longerbeam case V4L2_CID_AUTOGAIN: 259319a81c14SSteve Longerbeam val = ov5640_get_gain(sensor); 259419a81c14SSteve Longerbeam if (val < 0) 259519a81c14SSteve Longerbeam return val; 259619a81c14SSteve Longerbeam sensor->ctrls.gain->val = val; 259719a81c14SSteve Longerbeam break; 259819a81c14SSteve Longerbeam case V4L2_CID_EXPOSURE_AUTO: 259919a81c14SSteve Longerbeam val = ov5640_get_exposure(sensor); 260019a81c14SSteve Longerbeam if (val < 0) 260119a81c14SSteve Longerbeam return val; 260219a81c14SSteve Longerbeam sensor->ctrls.exposure->val = val; 260319a81c14SSteve Longerbeam break; 260419a81c14SSteve Longerbeam } 260519a81c14SSteve Longerbeam 260619a81c14SSteve Longerbeam return 0; 260719a81c14SSteve Longerbeam } 260819a81c14SSteve Longerbeam 260919a81c14SSteve Longerbeam static int ov5640_s_ctrl(struct v4l2_ctrl *ctrl) 261019a81c14SSteve Longerbeam { 261119a81c14SSteve Longerbeam struct v4l2_subdev *sd = ctrl_to_sd(ctrl); 261219a81c14SSteve Longerbeam struct ov5640_dev *sensor = to_ov5640_dev(sd); 261319a81c14SSteve Longerbeam int ret; 261419a81c14SSteve Longerbeam 261519a81c14SSteve Longerbeam /* v4l2_ctrl_lock() locks our own mutex */ 261619a81c14SSteve Longerbeam 261719a81c14SSteve Longerbeam /* 261819a81c14SSteve Longerbeam * If the device is not powered up by the host driver do 261919a81c14SSteve Longerbeam * not apply any controls to H/W at this time. Instead 262019a81c14SSteve Longerbeam * the controls will be restored right after power-up. 262119a81c14SSteve Longerbeam */ 262219a81c14SSteve Longerbeam if (sensor->power_count == 0) 262319a81c14SSteve Longerbeam return 0; 262419a81c14SSteve Longerbeam 262519a81c14SSteve Longerbeam switch (ctrl->id) { 262619a81c14SSteve Longerbeam case V4L2_CID_AUTOGAIN: 262719a81c14SSteve Longerbeam ret = ov5640_set_ctrl_gain(sensor, ctrl->val); 262819a81c14SSteve Longerbeam break; 262919a81c14SSteve Longerbeam case V4L2_CID_EXPOSURE_AUTO: 263019a81c14SSteve Longerbeam ret = ov5640_set_ctrl_exposure(sensor, ctrl->val); 263119a81c14SSteve Longerbeam break; 263219a81c14SSteve Longerbeam case V4L2_CID_AUTO_WHITE_BALANCE: 263319a81c14SSteve Longerbeam ret = ov5640_set_ctrl_white_balance(sensor, ctrl->val); 263419a81c14SSteve Longerbeam break; 263519a81c14SSteve Longerbeam case V4L2_CID_HUE: 263619a81c14SSteve Longerbeam ret = ov5640_set_ctrl_hue(sensor, ctrl->val); 263719a81c14SSteve Longerbeam break; 263819a81c14SSteve Longerbeam case V4L2_CID_CONTRAST: 263919a81c14SSteve Longerbeam ret = ov5640_set_ctrl_contrast(sensor, ctrl->val); 264019a81c14SSteve Longerbeam break; 264119a81c14SSteve Longerbeam case V4L2_CID_SATURATION: 264219a81c14SSteve Longerbeam ret = ov5640_set_ctrl_saturation(sensor, ctrl->val); 264319a81c14SSteve Longerbeam break; 264419a81c14SSteve Longerbeam case V4L2_CID_TEST_PATTERN: 264519a81c14SSteve Longerbeam ret = ov5640_set_ctrl_test_pattern(sensor, ctrl->val); 264619a81c14SSteve Longerbeam break; 26471068fecaSMylène Josserand case V4L2_CID_POWER_LINE_FREQUENCY: 26481068fecaSMylène Josserand ret = ov5640_set_ctrl_light_freq(sensor, ctrl->val); 26491068fecaSMylène Josserand break; 2650ce85705aSHugues Fruchet case V4L2_CID_HFLIP: 2651ce85705aSHugues Fruchet ret = ov5640_set_ctrl_hflip(sensor, ctrl->val); 2652ce85705aSHugues Fruchet break; 2653ce85705aSHugues Fruchet case V4L2_CID_VFLIP: 2654ce85705aSHugues Fruchet ret = ov5640_set_ctrl_vflip(sensor, ctrl->val); 2655ce85705aSHugues Fruchet break; 265619a81c14SSteve Longerbeam default: 265719a81c14SSteve Longerbeam ret = -EINVAL; 265819a81c14SSteve Longerbeam break; 265919a81c14SSteve Longerbeam } 266019a81c14SSteve Longerbeam 266119a81c14SSteve Longerbeam return ret; 266219a81c14SSteve Longerbeam } 266319a81c14SSteve Longerbeam 266419a81c14SSteve Longerbeam static const struct v4l2_ctrl_ops ov5640_ctrl_ops = { 266519a81c14SSteve Longerbeam .g_volatile_ctrl = ov5640_g_volatile_ctrl, 266619a81c14SSteve Longerbeam .s_ctrl = ov5640_s_ctrl, 266719a81c14SSteve Longerbeam }; 266819a81c14SSteve Longerbeam 266919a81c14SSteve Longerbeam static int ov5640_init_controls(struct ov5640_dev *sensor) 267019a81c14SSteve Longerbeam { 267119a81c14SSteve Longerbeam const struct v4l2_ctrl_ops *ops = &ov5640_ctrl_ops; 267219a81c14SSteve Longerbeam struct ov5640_ctrls *ctrls = &sensor->ctrls; 267319a81c14SSteve Longerbeam struct v4l2_ctrl_handler *hdl = &ctrls->handler; 267419a81c14SSteve Longerbeam int ret; 267519a81c14SSteve Longerbeam 267619a81c14SSteve Longerbeam v4l2_ctrl_handler_init(hdl, 32); 267719a81c14SSteve Longerbeam 267819a81c14SSteve Longerbeam /* we can use our own mutex for the ctrl lock */ 267919a81c14SSteve Longerbeam hdl->lock = &sensor->lock; 268019a81c14SSteve Longerbeam 2681cc196e48SBenoit Parrot /* Clock related controls */ 2682cc196e48SBenoit Parrot ctrls->pixel_rate = v4l2_ctrl_new_std(hdl, ops, V4L2_CID_PIXEL_RATE, 2683cc196e48SBenoit Parrot 0, INT_MAX, 1, 2684cc196e48SBenoit Parrot ov5640_calc_pixel_rate(sensor)); 2685cc196e48SBenoit Parrot 268619a81c14SSteve Longerbeam /* Auto/manual white balance */ 268719a81c14SSteve Longerbeam ctrls->auto_wb = v4l2_ctrl_new_std(hdl, ops, 268819a81c14SSteve Longerbeam V4L2_CID_AUTO_WHITE_BALANCE, 268919a81c14SSteve Longerbeam 0, 1, 1, 1); 269019a81c14SSteve Longerbeam ctrls->blue_balance = v4l2_ctrl_new_std(hdl, ops, V4L2_CID_BLUE_BALANCE, 269119a81c14SSteve Longerbeam 0, 4095, 1, 0); 269219a81c14SSteve Longerbeam ctrls->red_balance = v4l2_ctrl_new_std(hdl, ops, V4L2_CID_RED_BALANCE, 269319a81c14SSteve Longerbeam 0, 4095, 1, 0); 269419a81c14SSteve Longerbeam /* Auto/manual exposure */ 269519a81c14SSteve Longerbeam ctrls->auto_exp = v4l2_ctrl_new_std_menu(hdl, ops, 269619a81c14SSteve Longerbeam V4L2_CID_EXPOSURE_AUTO, 269719a81c14SSteve Longerbeam V4L2_EXPOSURE_MANUAL, 0, 269819a81c14SSteve Longerbeam V4L2_EXPOSURE_AUTO); 269919a81c14SSteve Longerbeam ctrls->exposure = v4l2_ctrl_new_std(hdl, ops, V4L2_CID_EXPOSURE, 270019a81c14SSteve Longerbeam 0, 65535, 1, 0); 270119a81c14SSteve Longerbeam /* Auto/manual gain */ 270219a81c14SSteve Longerbeam ctrls->auto_gain = v4l2_ctrl_new_std(hdl, ops, V4L2_CID_AUTOGAIN, 270319a81c14SSteve Longerbeam 0, 1, 1, 1); 270419a81c14SSteve Longerbeam ctrls->gain = v4l2_ctrl_new_std(hdl, ops, V4L2_CID_GAIN, 270519a81c14SSteve Longerbeam 0, 1023, 1, 0); 270619a81c14SSteve Longerbeam 270719a81c14SSteve Longerbeam ctrls->saturation = v4l2_ctrl_new_std(hdl, ops, V4L2_CID_SATURATION, 270819a81c14SSteve Longerbeam 0, 255, 1, 64); 270919a81c14SSteve Longerbeam ctrls->hue = v4l2_ctrl_new_std(hdl, ops, V4L2_CID_HUE, 271019a81c14SSteve Longerbeam 0, 359, 1, 0); 271119a81c14SSteve Longerbeam ctrls->contrast = v4l2_ctrl_new_std(hdl, ops, V4L2_CID_CONTRAST, 271219a81c14SSteve Longerbeam 0, 255, 1, 0); 271319a81c14SSteve Longerbeam ctrls->test_pattern = 271419a81c14SSteve Longerbeam v4l2_ctrl_new_std_menu_items(hdl, ops, V4L2_CID_TEST_PATTERN, 271519a81c14SSteve Longerbeam ARRAY_SIZE(test_pattern_menu) - 1, 271619a81c14SSteve Longerbeam 0, 0, test_pattern_menu); 2717ce85705aSHugues Fruchet ctrls->hflip = v4l2_ctrl_new_std(hdl, ops, V4L2_CID_HFLIP, 2718ce85705aSHugues Fruchet 0, 1, 1, 0); 2719ce85705aSHugues Fruchet ctrls->vflip = v4l2_ctrl_new_std(hdl, ops, V4L2_CID_VFLIP, 2720ce85705aSHugues Fruchet 0, 1, 1, 0); 272119a81c14SSteve Longerbeam 27221068fecaSMylène Josserand ctrls->light_freq = 27231068fecaSMylène Josserand v4l2_ctrl_new_std_menu(hdl, ops, 27241068fecaSMylène Josserand V4L2_CID_POWER_LINE_FREQUENCY, 27251068fecaSMylène Josserand V4L2_CID_POWER_LINE_FREQUENCY_AUTO, 0, 27261068fecaSMylène Josserand V4L2_CID_POWER_LINE_FREQUENCY_50HZ); 27271068fecaSMylène Josserand 272819a81c14SSteve Longerbeam if (hdl->error) { 272919a81c14SSteve Longerbeam ret = hdl->error; 273019a81c14SSteve Longerbeam goto free_ctrls; 273119a81c14SSteve Longerbeam } 273219a81c14SSteve Longerbeam 2733cc196e48SBenoit Parrot ctrls->pixel_rate->flags |= V4L2_CTRL_FLAG_READ_ONLY; 273419a81c14SSteve Longerbeam ctrls->gain->flags |= V4L2_CTRL_FLAG_VOLATILE; 273519a81c14SSteve Longerbeam ctrls->exposure->flags |= V4L2_CTRL_FLAG_VOLATILE; 273619a81c14SSteve Longerbeam 273719a81c14SSteve Longerbeam v4l2_ctrl_auto_cluster(3, &ctrls->auto_wb, 0, false); 273819a81c14SSteve Longerbeam v4l2_ctrl_auto_cluster(2, &ctrls->auto_gain, 0, true); 273919a81c14SSteve Longerbeam v4l2_ctrl_auto_cluster(2, &ctrls->auto_exp, 1, true); 274019a81c14SSteve Longerbeam 274119a81c14SSteve Longerbeam sensor->sd.ctrl_handler = hdl; 274219a81c14SSteve Longerbeam return 0; 274319a81c14SSteve Longerbeam 274419a81c14SSteve Longerbeam free_ctrls: 274519a81c14SSteve Longerbeam v4l2_ctrl_handler_free(hdl); 274619a81c14SSteve Longerbeam return ret; 274719a81c14SSteve Longerbeam } 274819a81c14SSteve Longerbeam 274919a81c14SSteve Longerbeam static int ov5640_enum_frame_size(struct v4l2_subdev *sd, 275019a81c14SSteve Longerbeam struct v4l2_subdev_pad_config *cfg, 275119a81c14SSteve Longerbeam struct v4l2_subdev_frame_size_enum *fse) 275219a81c14SSteve Longerbeam { 275319a81c14SSteve Longerbeam if (fse->pad != 0) 275419a81c14SSteve Longerbeam return -EINVAL; 275519a81c14SSteve Longerbeam if (fse->index >= OV5640_NUM_MODES) 275619a81c14SSteve Longerbeam return -EINVAL; 275719a81c14SSteve Longerbeam 275841d8d7f5SHugues Fruchet fse->min_width = 2759086c25f8SMaxime Ripard ov5640_mode_data[fse->index].hact; 276041d8d7f5SHugues Fruchet fse->max_width = fse->min_width; 276141d8d7f5SHugues Fruchet fse->min_height = 2762086c25f8SMaxime Ripard ov5640_mode_data[fse->index].vact; 276341d8d7f5SHugues Fruchet fse->max_height = fse->min_height; 276419a81c14SSteve Longerbeam 276519a81c14SSteve Longerbeam return 0; 276619a81c14SSteve Longerbeam } 276719a81c14SSteve Longerbeam 276819a81c14SSteve Longerbeam static int ov5640_enum_frame_interval( 276919a81c14SSteve Longerbeam struct v4l2_subdev *sd, 277019a81c14SSteve Longerbeam struct v4l2_subdev_pad_config *cfg, 277119a81c14SSteve Longerbeam struct v4l2_subdev_frame_interval_enum *fie) 277219a81c14SSteve Longerbeam { 277319a81c14SSteve Longerbeam struct ov5640_dev *sensor = to_ov5640_dev(sd); 277419a81c14SSteve Longerbeam struct v4l2_fract tpf; 277519a81c14SSteve Longerbeam int ret; 277619a81c14SSteve Longerbeam 277719a81c14SSteve Longerbeam if (fie->pad != 0) 277819a81c14SSteve Longerbeam return -EINVAL; 277919a81c14SSteve Longerbeam if (fie->index >= OV5640_NUM_FRAMERATES) 278019a81c14SSteve Longerbeam return -EINVAL; 278119a81c14SSteve Longerbeam 278219a81c14SSteve Longerbeam tpf.numerator = 1; 278319a81c14SSteve Longerbeam tpf.denominator = ov5640_framerates[fie->index]; 278419a81c14SSteve Longerbeam 278519a81c14SSteve Longerbeam ret = ov5640_try_frame_interval(sensor, &tpf, 278619a81c14SSteve Longerbeam fie->width, fie->height); 278719a81c14SSteve Longerbeam if (ret < 0) 278819a81c14SSteve Longerbeam return -EINVAL; 278919a81c14SSteve Longerbeam 279019a81c14SSteve Longerbeam fie->interval = tpf; 279119a81c14SSteve Longerbeam return 0; 279219a81c14SSteve Longerbeam } 279319a81c14SSteve Longerbeam 279419a81c14SSteve Longerbeam static int ov5640_g_frame_interval(struct v4l2_subdev *sd, 279519a81c14SSteve Longerbeam struct v4l2_subdev_frame_interval *fi) 279619a81c14SSteve Longerbeam { 279719a81c14SSteve Longerbeam struct ov5640_dev *sensor = to_ov5640_dev(sd); 279819a81c14SSteve Longerbeam 279919a81c14SSteve Longerbeam mutex_lock(&sensor->lock); 280019a81c14SSteve Longerbeam fi->interval = sensor->frame_interval; 280119a81c14SSteve Longerbeam mutex_unlock(&sensor->lock); 280219a81c14SSteve Longerbeam 280319a81c14SSteve Longerbeam return 0; 280419a81c14SSteve Longerbeam } 280519a81c14SSteve Longerbeam 280619a81c14SSteve Longerbeam static int ov5640_s_frame_interval(struct v4l2_subdev *sd, 280719a81c14SSteve Longerbeam struct v4l2_subdev_frame_interval *fi) 280819a81c14SSteve Longerbeam { 280919a81c14SSteve Longerbeam struct ov5640_dev *sensor = to_ov5640_dev(sd); 281019a81c14SSteve Longerbeam const struct ov5640_mode_info *mode; 281119a81c14SSteve Longerbeam int frame_rate, ret = 0; 281219a81c14SSteve Longerbeam 281319a81c14SSteve Longerbeam if (fi->pad != 0) 281419a81c14SSteve Longerbeam return -EINVAL; 281519a81c14SSteve Longerbeam 281619a81c14SSteve Longerbeam mutex_lock(&sensor->lock); 281719a81c14SSteve Longerbeam 281819a81c14SSteve Longerbeam if (sensor->streaming) { 281919a81c14SSteve Longerbeam ret = -EBUSY; 282019a81c14SSteve Longerbeam goto out; 282119a81c14SSteve Longerbeam } 282219a81c14SSteve Longerbeam 282319a81c14SSteve Longerbeam mode = sensor->current_mode; 282419a81c14SSteve Longerbeam 282519a81c14SSteve Longerbeam frame_rate = ov5640_try_frame_interval(sensor, &fi->interval, 2826dba13a0bSMaxime Ripard mode->hact, mode->vact); 2827e823fb16SMaxime Ripard if (frame_rate < 0) { 2828e823fb16SMaxime Ripard /* Always return a valid frame interval value */ 2829e823fb16SMaxime Ripard fi->interval = sensor->frame_interval; 2830e823fb16SMaxime Ripard goto out; 2831e823fb16SMaxime Ripard } 283219a81c14SSteve Longerbeam 28333c4a7372SHugues Fruchet mode = ov5640_find_mode(sensor, frame_rate, mode->hact, 2834dba13a0bSMaxime Ripard mode->vact, true); 28353c4a7372SHugues Fruchet if (!mode) { 28363c4a7372SHugues Fruchet ret = -EINVAL; 28373c4a7372SHugues Fruchet goto out; 28383c4a7372SHugues Fruchet } 28393c4a7372SHugues Fruchet 28400929983eSHugues Fruchet if (mode != sensor->current_mode || 28410929983eSHugues Fruchet frame_rate != sensor->current_fr) { 28420929983eSHugues Fruchet sensor->current_fr = frame_rate; 28430929983eSHugues Fruchet sensor->frame_interval = fi->interval; 28443c4a7372SHugues Fruchet sensor->current_mode = mode; 284519a81c14SSteve Longerbeam sensor->pending_mode_change = true; 2846cc196e48SBenoit Parrot 2847cc196e48SBenoit Parrot __v4l2_ctrl_s_ctrl_int64(sensor->ctrls.pixel_rate, 2848cc196e48SBenoit Parrot ov5640_calc_pixel_rate(sensor)); 28496949d864SHugues Fruchet } 285019a81c14SSteve Longerbeam out: 285119a81c14SSteve Longerbeam mutex_unlock(&sensor->lock); 285219a81c14SSteve Longerbeam return ret; 285319a81c14SSteve Longerbeam } 285419a81c14SSteve Longerbeam 285519a81c14SSteve Longerbeam static int ov5640_enum_mbus_code(struct v4l2_subdev *sd, 285619a81c14SSteve Longerbeam struct v4l2_subdev_pad_config *cfg, 285719a81c14SSteve Longerbeam struct v4l2_subdev_mbus_code_enum *code) 285819a81c14SSteve Longerbeam { 285919a81c14SSteve Longerbeam if (code->pad != 0) 286019a81c14SSteve Longerbeam return -EINVAL; 2861e3ee691dSHugues Fruchet if (code->index >= ARRAY_SIZE(ov5640_formats)) 286219a81c14SSteve Longerbeam return -EINVAL; 286319a81c14SSteve Longerbeam 2864e3ee691dSHugues Fruchet code->code = ov5640_formats[code->index].code; 286519a81c14SSteve Longerbeam return 0; 286619a81c14SSteve Longerbeam } 286719a81c14SSteve Longerbeam 286819a81c14SSteve Longerbeam static int ov5640_s_stream(struct v4l2_subdev *sd, int enable) 286919a81c14SSteve Longerbeam { 287019a81c14SSteve Longerbeam struct ov5640_dev *sensor = to_ov5640_dev(sd); 287119a81c14SSteve Longerbeam int ret = 0; 287219a81c14SSteve Longerbeam 287319a81c14SSteve Longerbeam mutex_lock(&sensor->lock); 287419a81c14SSteve Longerbeam 287519a81c14SSteve Longerbeam if (sensor->streaming == !enable) { 287619a81c14SSteve Longerbeam if (enable && sensor->pending_mode_change) { 2877985cdcb0SHugues Fruchet ret = ov5640_set_mode(sensor); 287819a81c14SSteve Longerbeam if (ret) 287919a81c14SSteve Longerbeam goto out; 2880fb98e29fSHugues Fruchet } 2881e3ee691dSHugues Fruchet 2882fb98e29fSHugues Fruchet if (enable && sensor->pending_fmt_change) { 2883e3ee691dSHugues Fruchet ret = ov5640_set_framefmt(sensor, &sensor->fmt); 2884e3ee691dSHugues Fruchet if (ret) 2885e3ee691dSHugues Fruchet goto out; 2886fb98e29fSHugues Fruchet sensor->pending_fmt_change = false; 288719a81c14SSteve Longerbeam } 288819a81c14SSteve Longerbeam 28892d95e7edSSakari Ailus if (sensor->ep.bus_type == V4L2_MBUS_CSI2_DPHY) 2890f22996dbSHugues Fruchet ret = ov5640_set_stream_mipi(sensor, enable); 2891f22996dbSHugues Fruchet else 2892f22996dbSHugues Fruchet ret = ov5640_set_stream_dvp(sensor, enable); 2893f22996dbSHugues Fruchet 289419a81c14SSteve Longerbeam if (!ret) 289519a81c14SSteve Longerbeam sensor->streaming = enable; 289619a81c14SSteve Longerbeam } 289719a81c14SSteve Longerbeam out: 289819a81c14SSteve Longerbeam mutex_unlock(&sensor->lock); 289919a81c14SSteve Longerbeam return ret; 290019a81c14SSteve Longerbeam } 290119a81c14SSteve Longerbeam 290219a81c14SSteve Longerbeam static const struct v4l2_subdev_core_ops ov5640_core_ops = { 290319a81c14SSteve Longerbeam .s_power = ov5640_s_power, 29042d18fbc5SAkinobu Mita .log_status = v4l2_ctrl_subdev_log_status, 29052d18fbc5SAkinobu Mita .subscribe_event = v4l2_ctrl_subdev_subscribe_event, 29062d18fbc5SAkinobu Mita .unsubscribe_event = v4l2_event_subdev_unsubscribe, 290719a81c14SSteve Longerbeam }; 290819a81c14SSteve Longerbeam 290919a81c14SSteve Longerbeam static const struct v4l2_subdev_video_ops ov5640_video_ops = { 291019a81c14SSteve Longerbeam .g_frame_interval = ov5640_g_frame_interval, 291119a81c14SSteve Longerbeam .s_frame_interval = ov5640_s_frame_interval, 291219a81c14SSteve Longerbeam .s_stream = ov5640_s_stream, 291319a81c14SSteve Longerbeam }; 291419a81c14SSteve Longerbeam 291519a81c14SSteve Longerbeam static const struct v4l2_subdev_pad_ops ov5640_pad_ops = { 291619a81c14SSteve Longerbeam .enum_mbus_code = ov5640_enum_mbus_code, 291719a81c14SSteve Longerbeam .get_fmt = ov5640_get_fmt, 291819a81c14SSteve Longerbeam .set_fmt = ov5640_set_fmt, 291919a81c14SSteve Longerbeam .enum_frame_size = ov5640_enum_frame_size, 292019a81c14SSteve Longerbeam .enum_frame_interval = ov5640_enum_frame_interval, 292119a81c14SSteve Longerbeam }; 292219a81c14SSteve Longerbeam 292319a81c14SSteve Longerbeam static const struct v4l2_subdev_ops ov5640_subdev_ops = { 292419a81c14SSteve Longerbeam .core = &ov5640_core_ops, 292519a81c14SSteve Longerbeam .video = &ov5640_video_ops, 292619a81c14SSteve Longerbeam .pad = &ov5640_pad_ops, 292719a81c14SSteve Longerbeam }; 292819a81c14SSteve Longerbeam 292919a81c14SSteve Longerbeam static int ov5640_get_regulators(struct ov5640_dev *sensor) 293019a81c14SSteve Longerbeam { 293119a81c14SSteve Longerbeam int i; 293219a81c14SSteve Longerbeam 293319a81c14SSteve Longerbeam for (i = 0; i < OV5640_NUM_SUPPLIES; i++) 293419a81c14SSteve Longerbeam sensor->supplies[i].supply = ov5640_supply_name[i]; 293519a81c14SSteve Longerbeam 293619a81c14SSteve Longerbeam return devm_regulator_bulk_get(&sensor->i2c_client->dev, 293719a81c14SSteve Longerbeam OV5640_NUM_SUPPLIES, 293819a81c14SSteve Longerbeam sensor->supplies); 293919a81c14SSteve Longerbeam } 294019a81c14SSteve Longerbeam 29410f7acb52SHugues Fruchet static int ov5640_check_chip_id(struct ov5640_dev *sensor) 29420f7acb52SHugues Fruchet { 29430f7acb52SHugues Fruchet struct i2c_client *client = sensor->i2c_client; 29440f7acb52SHugues Fruchet int ret = 0; 29450f7acb52SHugues Fruchet u16 chip_id; 29460f7acb52SHugues Fruchet 29470f7acb52SHugues Fruchet ret = ov5640_set_power_on(sensor); 29480f7acb52SHugues Fruchet if (ret) 29490f7acb52SHugues Fruchet return ret; 29500f7acb52SHugues Fruchet 29510f7acb52SHugues Fruchet ret = ov5640_read_reg16(sensor, OV5640_REG_CHIP_ID, &chip_id); 29520f7acb52SHugues Fruchet if (ret) { 29530f7acb52SHugues Fruchet dev_err(&client->dev, "%s: failed to read chip identifier\n", 29540f7acb52SHugues Fruchet __func__); 29550f7acb52SHugues Fruchet goto power_off; 29560f7acb52SHugues Fruchet } 29570f7acb52SHugues Fruchet 29580f7acb52SHugues Fruchet if (chip_id != 0x5640) { 29590f7acb52SHugues Fruchet dev_err(&client->dev, "%s: wrong chip identifier, expected 0x5640, got 0x%x\n", 29600f7acb52SHugues Fruchet __func__, chip_id); 29610f7acb52SHugues Fruchet ret = -ENXIO; 29620f7acb52SHugues Fruchet } 29630f7acb52SHugues Fruchet 29640f7acb52SHugues Fruchet power_off: 29650f7acb52SHugues Fruchet ov5640_set_power_off(sensor); 29660f7acb52SHugues Fruchet return ret; 29670f7acb52SHugues Fruchet } 29680f7acb52SHugues Fruchet 2969e6714993SKieran Bingham static int ov5640_probe(struct i2c_client *client) 297019a81c14SSteve Longerbeam { 297119a81c14SSteve Longerbeam struct device *dev = &client->dev; 297219a81c14SSteve Longerbeam struct fwnode_handle *endpoint; 297319a81c14SSteve Longerbeam struct ov5640_dev *sensor; 2974e6441fdeSHugues Fruchet struct v4l2_mbus_framefmt *fmt; 2975c3f3ba3eSHugues Fruchet u32 rotation; 297619a81c14SSteve Longerbeam int ret; 297719a81c14SSteve Longerbeam 297819a81c14SSteve Longerbeam sensor = devm_kzalloc(dev, sizeof(*sensor), GFP_KERNEL); 297919a81c14SSteve Longerbeam if (!sensor) 298019a81c14SSteve Longerbeam return -ENOMEM; 298119a81c14SSteve Longerbeam 298219a81c14SSteve Longerbeam sensor->i2c_client = client; 2983fb98e29fSHugues Fruchet 2984fb98e29fSHugues Fruchet /* 2985fb98e29fSHugues Fruchet * default init sequence initialize sensor to 2986fb98e29fSHugues Fruchet * YUV422 UYVY VGA@30fps 2987fb98e29fSHugues Fruchet */ 2988e6441fdeSHugues Fruchet fmt = &sensor->fmt; 2989fb98e29fSHugues Fruchet fmt->code = MEDIA_BUS_FMT_UYVY8_2X8; 2990fb98e29fSHugues Fruchet fmt->colorspace = V4L2_COLORSPACE_SRGB; 2991e6441fdeSHugues Fruchet fmt->ycbcr_enc = V4L2_MAP_YCBCR_ENC_DEFAULT(fmt->colorspace); 2992e6441fdeSHugues Fruchet fmt->quantization = V4L2_QUANTIZATION_FULL_RANGE; 2993e6441fdeSHugues Fruchet fmt->xfer_func = V4L2_MAP_XFER_FUNC_DEFAULT(fmt->colorspace); 2994e6441fdeSHugues Fruchet fmt->width = 640; 2995e6441fdeSHugues Fruchet fmt->height = 480; 2996e6441fdeSHugues Fruchet fmt->field = V4L2_FIELD_NONE; 299719a81c14SSteve Longerbeam sensor->frame_interval.numerator = 1; 299819a81c14SSteve Longerbeam sensor->frame_interval.denominator = ov5640_framerates[OV5640_30_FPS]; 299919a81c14SSteve Longerbeam sensor->current_fr = OV5640_30_FPS; 300019a81c14SSteve Longerbeam sensor->current_mode = 3001086c25f8SMaxime Ripard &ov5640_mode_data[OV5640_MODE_VGA_640_480]; 3002985cdcb0SHugues Fruchet sensor->last_mode = sensor->current_mode; 300319a81c14SSteve Longerbeam 300419a81c14SSteve Longerbeam sensor->ae_target = 52; 300519a81c14SSteve Longerbeam 3006c3f3ba3eSHugues Fruchet /* optional indication of physical rotation of sensor */ 3007c3f3ba3eSHugues Fruchet ret = fwnode_property_read_u32(dev_fwnode(&client->dev), "rotation", 3008c3f3ba3eSHugues Fruchet &rotation); 3009c3f3ba3eSHugues Fruchet if (!ret) { 3010c3f3ba3eSHugues Fruchet switch (rotation) { 3011c3f3ba3eSHugues Fruchet case 180: 3012c3f3ba3eSHugues Fruchet sensor->upside_down = true; 30131771e9fbSGustavo A. R. Silva fallthrough; 3014c3f3ba3eSHugues Fruchet case 0: 3015c3f3ba3eSHugues Fruchet break; 3016c3f3ba3eSHugues Fruchet default: 3017c3f3ba3eSHugues Fruchet dev_warn(dev, "%u degrees rotation is not supported, ignoring...\n", 3018c3f3ba3eSHugues Fruchet rotation); 3019c3f3ba3eSHugues Fruchet } 3020c3f3ba3eSHugues Fruchet } 3021c3f3ba3eSHugues Fruchet 3022ce96bcf5SSakari Ailus endpoint = fwnode_graph_get_next_endpoint(dev_fwnode(&client->dev), 3023ce96bcf5SSakari Ailus NULL); 302419a81c14SSteve Longerbeam if (!endpoint) { 302519a81c14SSteve Longerbeam dev_err(dev, "endpoint node not found\n"); 302619a81c14SSteve Longerbeam return -EINVAL; 302719a81c14SSteve Longerbeam } 302819a81c14SSteve Longerbeam 302919a81c14SSteve Longerbeam ret = v4l2_fwnode_endpoint_parse(endpoint, &sensor->ep); 303019a81c14SSteve Longerbeam fwnode_handle_put(endpoint); 303119a81c14SSteve Longerbeam if (ret) { 303219a81c14SSteve Longerbeam dev_err(dev, "Could not parse endpoint\n"); 303319a81c14SSteve Longerbeam return ret; 303419a81c14SSteve Longerbeam } 303519a81c14SSteve Longerbeam 303619a81c14SSteve Longerbeam /* get system clock (xclk) */ 303719a81c14SSteve Longerbeam sensor->xclk = devm_clk_get(dev, "xclk"); 303819a81c14SSteve Longerbeam if (IS_ERR(sensor->xclk)) { 303919a81c14SSteve Longerbeam dev_err(dev, "failed to get xclk\n"); 304019a81c14SSteve Longerbeam return PTR_ERR(sensor->xclk); 304119a81c14SSteve Longerbeam } 304219a81c14SSteve Longerbeam 304319a81c14SSteve Longerbeam sensor->xclk_freq = clk_get_rate(sensor->xclk); 304419a81c14SSteve Longerbeam if (sensor->xclk_freq < OV5640_XCLK_MIN || 304519a81c14SSteve Longerbeam sensor->xclk_freq > OV5640_XCLK_MAX) { 304619a81c14SSteve Longerbeam dev_err(dev, "xclk frequency out of range: %d Hz\n", 304719a81c14SSteve Longerbeam sensor->xclk_freq); 304819a81c14SSteve Longerbeam return -EINVAL; 304919a81c14SSteve Longerbeam } 305019a81c14SSteve Longerbeam 305119a81c14SSteve Longerbeam /* request optional power down pin */ 305219a81c14SSteve Longerbeam sensor->pwdn_gpio = devm_gpiod_get_optional(dev, "powerdown", 305319a81c14SSteve Longerbeam GPIOD_OUT_HIGH); 30548791a102SFabio Estevam if (IS_ERR(sensor->pwdn_gpio)) 30558791a102SFabio Estevam return PTR_ERR(sensor->pwdn_gpio); 30568791a102SFabio Estevam 305719a81c14SSteve Longerbeam /* request optional reset pin */ 305819a81c14SSteve Longerbeam sensor->reset_gpio = devm_gpiod_get_optional(dev, "reset", 305919a81c14SSteve Longerbeam GPIOD_OUT_HIGH); 30608791a102SFabio Estevam if (IS_ERR(sensor->reset_gpio)) 30618791a102SFabio Estevam return PTR_ERR(sensor->reset_gpio); 306219a81c14SSteve Longerbeam 306319a81c14SSteve Longerbeam v4l2_i2c_subdev_init(&sensor->sd, client, &ov5640_subdev_ops); 306419a81c14SSteve Longerbeam 30652d18fbc5SAkinobu Mita sensor->sd.flags |= V4L2_SUBDEV_FL_HAS_DEVNODE | 30662d18fbc5SAkinobu Mita V4L2_SUBDEV_FL_HAS_EVENTS; 306719a81c14SSteve Longerbeam sensor->pad.flags = MEDIA_PAD_FL_SOURCE; 306819a81c14SSteve Longerbeam sensor->sd.entity.function = MEDIA_ENT_F_CAM_SENSOR; 306919a81c14SSteve Longerbeam ret = media_entity_pads_init(&sensor->sd.entity, 1, &sensor->pad); 307019a81c14SSteve Longerbeam if (ret) 307119a81c14SSteve Longerbeam return ret; 307219a81c14SSteve Longerbeam 307319a81c14SSteve Longerbeam ret = ov5640_get_regulators(sensor); 307419a81c14SSteve Longerbeam if (ret) 307519a81c14SSteve Longerbeam return ret; 307619a81c14SSteve Longerbeam 307719a81c14SSteve Longerbeam mutex_init(&sensor->lock); 307819a81c14SSteve Longerbeam 30790f7acb52SHugues Fruchet ret = ov5640_check_chip_id(sensor); 30800f7acb52SHugues Fruchet if (ret) 30810f7acb52SHugues Fruchet goto entity_cleanup; 30820f7acb52SHugues Fruchet 308319a81c14SSteve Longerbeam ret = ov5640_init_controls(sensor); 308419a81c14SSteve Longerbeam if (ret) 308519a81c14SSteve Longerbeam goto entity_cleanup; 308619a81c14SSteve Longerbeam 30872f1fc5efSLuca Weiss ret = v4l2_async_register_subdev_sensor_common(&sensor->sd); 308819a81c14SSteve Longerbeam if (ret) 308919a81c14SSteve Longerbeam goto free_ctrls; 309019a81c14SSteve Longerbeam 309119a81c14SSteve Longerbeam return 0; 309219a81c14SSteve Longerbeam 309319a81c14SSteve Longerbeam free_ctrls: 309419a81c14SSteve Longerbeam v4l2_ctrl_handler_free(&sensor->ctrls.handler); 309519a81c14SSteve Longerbeam entity_cleanup: 309619a81c14SSteve Longerbeam media_entity_cleanup(&sensor->sd.entity); 3097bfcba38dSTomi Valkeinen mutex_destroy(&sensor->lock); 309819a81c14SSteve Longerbeam return ret; 309919a81c14SSteve Longerbeam } 310019a81c14SSteve Longerbeam 310119a81c14SSteve Longerbeam static int ov5640_remove(struct i2c_client *client) 310219a81c14SSteve Longerbeam { 310319a81c14SSteve Longerbeam struct v4l2_subdev *sd = i2c_get_clientdata(client); 310419a81c14SSteve Longerbeam struct ov5640_dev *sensor = to_ov5640_dev(sd); 310519a81c14SSteve Longerbeam 310619a81c14SSteve Longerbeam v4l2_async_unregister_subdev(&sensor->sd); 310719a81c14SSteve Longerbeam media_entity_cleanup(&sensor->sd.entity); 310819a81c14SSteve Longerbeam v4l2_ctrl_handler_free(&sensor->ctrls.handler); 3109bfcba38dSTomi Valkeinen mutex_destroy(&sensor->lock); 311019a81c14SSteve Longerbeam 311119a81c14SSteve Longerbeam return 0; 311219a81c14SSteve Longerbeam } 311319a81c14SSteve Longerbeam 311419a81c14SSteve Longerbeam static const struct i2c_device_id ov5640_id[] = { 311519a81c14SSteve Longerbeam {"ov5640", 0}, 311619a81c14SSteve Longerbeam {}, 311719a81c14SSteve Longerbeam }; 311819a81c14SSteve Longerbeam MODULE_DEVICE_TABLE(i2c, ov5640_id); 311919a81c14SSteve Longerbeam 312019a81c14SSteve Longerbeam static const struct of_device_id ov5640_dt_ids[] = { 312119a81c14SSteve Longerbeam { .compatible = "ovti,ov5640" }, 312219a81c14SSteve Longerbeam { /* sentinel */ } 312319a81c14SSteve Longerbeam }; 312419a81c14SSteve Longerbeam MODULE_DEVICE_TABLE(of, ov5640_dt_ids); 312519a81c14SSteve Longerbeam 312619a81c14SSteve Longerbeam static struct i2c_driver ov5640_i2c_driver = { 312719a81c14SSteve Longerbeam .driver = { 312819a81c14SSteve Longerbeam .name = "ov5640", 312919a81c14SSteve Longerbeam .of_match_table = ov5640_dt_ids, 313019a81c14SSteve Longerbeam }, 313119a81c14SSteve Longerbeam .id_table = ov5640_id, 3132e6714993SKieran Bingham .probe_new = ov5640_probe, 313319a81c14SSteve Longerbeam .remove = ov5640_remove, 313419a81c14SSteve Longerbeam }; 313519a81c14SSteve Longerbeam 313619a81c14SSteve Longerbeam module_i2c_driver(ov5640_i2c_driver); 313719a81c14SSteve Longerbeam 313819a81c14SSteve Longerbeam MODULE_DESCRIPTION("OV5640 MIPI Camera Subdev Driver"); 313919a81c14SSteve Longerbeam MODULE_LICENSE("GPL"); 3140