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 373b987d70SLad Prabhakar #define OV5640_REG_SYS_CTRL0_SW_PWDN 0x42 383b987d70SLad Prabhakar #define OV5640_REG_SYS_CTRL0_SW_PWUP 0x02 3919a81c14SSteve Longerbeam #define OV5640_REG_CHIP_ID 0x300a 40f22996dbSHugues Fruchet #define OV5640_REG_IO_MIPI_CTRL00 0x300e 41f22996dbSHugues Fruchet #define OV5640_REG_PAD_OUTPUT_ENABLE01 0x3017 42f22996dbSHugues Fruchet #define OV5640_REG_PAD_OUTPUT_ENABLE02 0x3018 4319a81c14SSteve Longerbeam #define OV5640_REG_PAD_OUTPUT00 0x3019 44f22996dbSHugues Fruchet #define OV5640_REG_SYSTEM_CONTROL1 0x302e 4519a81c14SSteve Longerbeam #define OV5640_REG_SC_PLL_CTRL0 0x3034 4619a81c14SSteve Longerbeam #define OV5640_REG_SC_PLL_CTRL1 0x3035 4719a81c14SSteve Longerbeam #define OV5640_REG_SC_PLL_CTRL2 0x3036 4819a81c14SSteve Longerbeam #define OV5640_REG_SC_PLL_CTRL3 0x3037 4919a81c14SSteve Longerbeam #define OV5640_REG_SLAVE_ID 0x3100 50f22996dbSHugues Fruchet #define OV5640_REG_SCCB_SYS_CTRL1 0x3103 5119a81c14SSteve Longerbeam #define OV5640_REG_SYS_ROOT_DIVIDER 0x3108 5219a81c14SSteve Longerbeam #define OV5640_REG_AWB_R_GAIN 0x3400 5319a81c14SSteve Longerbeam #define OV5640_REG_AWB_G_GAIN 0x3402 5419a81c14SSteve Longerbeam #define OV5640_REG_AWB_B_GAIN 0x3404 5519a81c14SSteve Longerbeam #define OV5640_REG_AWB_MANUAL_CTRL 0x3406 5619a81c14SSteve Longerbeam #define OV5640_REG_AEC_PK_EXPOSURE_HI 0x3500 5719a81c14SSteve Longerbeam #define OV5640_REG_AEC_PK_EXPOSURE_MED 0x3501 5819a81c14SSteve Longerbeam #define OV5640_REG_AEC_PK_EXPOSURE_LO 0x3502 5919a81c14SSteve Longerbeam #define OV5640_REG_AEC_PK_MANUAL 0x3503 6019a81c14SSteve Longerbeam #define OV5640_REG_AEC_PK_REAL_GAIN 0x350a 6119a81c14SSteve Longerbeam #define OV5640_REG_AEC_PK_VTS 0x350c 6286633417SMaxime Ripard #define OV5640_REG_TIMING_DVPHO 0x3808 6386633417SMaxime Ripard #define OV5640_REG_TIMING_DVPVO 0x380a 6419a81c14SSteve Longerbeam #define OV5640_REG_TIMING_HTS 0x380c 6519a81c14SSteve Longerbeam #define OV5640_REG_TIMING_VTS 0x380e 66ce85705aSHugues Fruchet #define OV5640_REG_TIMING_TC_REG20 0x3820 6719a81c14SSteve Longerbeam #define OV5640_REG_TIMING_TC_REG21 0x3821 6819a81c14SSteve Longerbeam #define OV5640_REG_AEC_CTRL00 0x3a00 6919a81c14SSteve Longerbeam #define OV5640_REG_AEC_B50_STEP 0x3a08 7019a81c14SSteve Longerbeam #define OV5640_REG_AEC_B60_STEP 0x3a0a 7119a81c14SSteve Longerbeam #define OV5640_REG_AEC_CTRL0D 0x3a0d 7219a81c14SSteve Longerbeam #define OV5640_REG_AEC_CTRL0E 0x3a0e 7319a81c14SSteve Longerbeam #define OV5640_REG_AEC_CTRL0F 0x3a0f 7419a81c14SSteve Longerbeam #define OV5640_REG_AEC_CTRL10 0x3a10 7519a81c14SSteve Longerbeam #define OV5640_REG_AEC_CTRL11 0x3a11 7619a81c14SSteve Longerbeam #define OV5640_REG_AEC_CTRL1B 0x3a1b 7719a81c14SSteve Longerbeam #define OV5640_REG_AEC_CTRL1E 0x3a1e 7819a81c14SSteve Longerbeam #define OV5640_REG_AEC_CTRL1F 0x3a1f 7919a81c14SSteve Longerbeam #define OV5640_REG_HZ5060_CTRL00 0x3c00 8019a81c14SSteve Longerbeam #define OV5640_REG_HZ5060_CTRL01 0x3c01 8119a81c14SSteve Longerbeam #define OV5640_REG_SIGMADELTA_CTRL0C 0x3c0c 8219a81c14SSteve Longerbeam #define OV5640_REG_FRAME_CTRL01 0x4202 83e3ee691dSHugues Fruchet #define OV5640_REG_FORMAT_CONTROL00 0x4300 847cb013b1SChen-Yu Tsai #define OV5640_REG_VFIFO_HSIZE 0x4602 857cb013b1SChen-Yu Tsai #define OV5640_REG_VFIFO_VSIZE 0x4604 862b5c18f9SChen-Yu Tsai #define OV5640_REG_JPG_MODE_SELECT 0x4713 874039b037SLad Prabhakar #define OV5640_REG_CCIR656_CTRL00 0x4730 88f22996dbSHugues Fruchet #define OV5640_REG_POLARITY_CTRL00 0x4740 8919a81c14SSteve Longerbeam #define OV5640_REG_MIPI_CTRL00 0x4800 9019a81c14SSteve Longerbeam #define OV5640_REG_DEBUG_MODE 0x4814 91e3ee691dSHugues Fruchet #define OV5640_REG_ISP_FORMAT_MUX_CTRL 0x501f 9219a81c14SSteve Longerbeam #define OV5640_REG_PRE_ISP_TEST_SET1 0x503d 9319a81c14SSteve Longerbeam #define OV5640_REG_SDE_CTRL0 0x5580 9419a81c14SSteve Longerbeam #define OV5640_REG_SDE_CTRL1 0x5581 9519a81c14SSteve Longerbeam #define OV5640_REG_SDE_CTRL3 0x5583 9619a81c14SSteve Longerbeam #define OV5640_REG_SDE_CTRL4 0x5584 9719a81c14SSteve Longerbeam #define OV5640_REG_SDE_CTRL5 0x5585 9819a81c14SSteve Longerbeam #define OV5640_REG_AVG_READOUT 0x56a1 9919a81c14SSteve Longerbeam 10019a81c14SSteve Longerbeam enum ov5640_mode_id { 10132ea5e05SHugues Fruchet OV5640_MODE_QQVGA_160_120 = 0, 10232ea5e05SHugues Fruchet OV5640_MODE_QCIF_176_144, 10319a81c14SSteve Longerbeam OV5640_MODE_QVGA_320_240, 10419a81c14SSteve Longerbeam OV5640_MODE_VGA_640_480, 10519a81c14SSteve Longerbeam OV5640_MODE_NTSC_720_480, 10619a81c14SSteve Longerbeam OV5640_MODE_PAL_720_576, 10719a81c14SSteve Longerbeam OV5640_MODE_XGA_1024_768, 10819a81c14SSteve Longerbeam OV5640_MODE_720P_1280_720, 10919a81c14SSteve Longerbeam OV5640_MODE_1080P_1920_1080, 11019a81c14SSteve Longerbeam OV5640_MODE_QSXGA_2592_1944, 11119a81c14SSteve Longerbeam OV5640_NUM_MODES, 11219a81c14SSteve Longerbeam }; 11319a81c14SSteve Longerbeam 11419a81c14SSteve Longerbeam enum ov5640_frame_rate { 11519a81c14SSteve Longerbeam OV5640_15_FPS = 0, 11619a81c14SSteve Longerbeam OV5640_30_FPS, 117e823fb16SMaxime Ripard OV5640_60_FPS, 11819a81c14SSteve Longerbeam OV5640_NUM_FRAMERATES, 11919a81c14SSteve Longerbeam }; 12019a81c14SSteve Longerbeam 12122845bf2SJacopo Mondi enum ov5640_pixel_rate_id { 12222845bf2SJacopo Mondi OV5640_PIXEL_RATE_168M, 12322845bf2SJacopo Mondi OV5640_PIXEL_RATE_148M, 12422845bf2SJacopo Mondi OV5640_PIXEL_RATE_124M, 12522845bf2SJacopo Mondi OV5640_PIXEL_RATE_96M, 12622845bf2SJacopo Mondi OV5640_PIXEL_RATE_48M, 12722845bf2SJacopo Mondi OV5640_NUM_PIXEL_RATES, 12822845bf2SJacopo Mondi }; 12922845bf2SJacopo Mondi 13022845bf2SJacopo Mondi /* 13122845bf2SJacopo Mondi * The chip manual suggests 24/48/96/192 MHz pixel clocks. 13222845bf2SJacopo Mondi * 13322845bf2SJacopo Mondi * 192MHz exceeds the sysclk limits; use 168MHz as maximum pixel rate for 13422845bf2SJacopo Mondi * full resolution mode @15 FPS. 13522845bf2SJacopo Mondi */ 13622845bf2SJacopo Mondi static const u32 ov5640_pixel_rates[] = { 13722845bf2SJacopo Mondi [OV5640_PIXEL_RATE_168M] = 168000000, 13822845bf2SJacopo Mondi [OV5640_PIXEL_RATE_148M] = 148000000, 13922845bf2SJacopo Mondi [OV5640_PIXEL_RATE_124M] = 124000000, 14022845bf2SJacopo Mondi [OV5640_PIXEL_RATE_96M] = 96000000, 14122845bf2SJacopo Mondi [OV5640_PIXEL_RATE_48M] = 48000000, 14222845bf2SJacopo Mondi }; 14322845bf2SJacopo Mondi 144b7ed3abdSLoic Poulain enum ov5640_format_mux { 145b7ed3abdSLoic Poulain OV5640_FMT_MUX_YUV422 = 0, 146b7ed3abdSLoic Poulain OV5640_FMT_MUX_RGB, 147b7ed3abdSLoic Poulain OV5640_FMT_MUX_DITHER, 148b7ed3abdSLoic Poulain OV5640_FMT_MUX_RAW_DPC, 149b7ed3abdSLoic Poulain OV5640_FMT_MUX_SNR_RAW, 150b7ed3abdSLoic Poulain OV5640_FMT_MUX_RAW_CIP, 151b7ed3abdSLoic Poulain }; 152b7ed3abdSLoic Poulain 153e3ee691dSHugues Fruchet struct ov5640_pixfmt { 154e3ee691dSHugues Fruchet u32 code; 155e3ee691dSHugues Fruchet u32 colorspace; 156e3ee691dSHugues Fruchet }; 157e3ee691dSHugues Fruchet 158e3ee691dSHugues Fruchet static const struct ov5640_pixfmt ov5640_formats[] = { 159d47c4126SHugues Fruchet { MEDIA_BUS_FMT_JPEG_1X8, V4L2_COLORSPACE_JPEG, }, 160e3ee691dSHugues Fruchet { MEDIA_BUS_FMT_UYVY8_2X8, V4L2_COLORSPACE_SRGB, }, 1611536fbdbSXavier Roumegue { MEDIA_BUS_FMT_UYVY8_1X16, V4L2_COLORSPACE_SRGB, }, 162e3ee691dSHugues Fruchet { MEDIA_BUS_FMT_YUYV8_2X8, V4L2_COLORSPACE_SRGB, }, 1631536fbdbSXavier Roumegue { MEDIA_BUS_FMT_YUYV8_1X16, V4L2_COLORSPACE_SRGB, }, 164e3ee691dSHugues Fruchet { MEDIA_BUS_FMT_RGB565_2X8_LE, V4L2_COLORSPACE_SRGB, }, 165e3ee691dSHugues Fruchet { MEDIA_BUS_FMT_RGB565_2X8_BE, V4L2_COLORSPACE_SRGB, }, 166b7ed3abdSLoic Poulain { MEDIA_BUS_FMT_SBGGR8_1X8, V4L2_COLORSPACE_SRGB, }, 167b7ed3abdSLoic Poulain { MEDIA_BUS_FMT_SGBRG8_1X8, V4L2_COLORSPACE_SRGB, }, 168b7ed3abdSLoic Poulain { MEDIA_BUS_FMT_SGRBG8_1X8, V4L2_COLORSPACE_SRGB, }, 169b7ed3abdSLoic Poulain { MEDIA_BUS_FMT_SRGGB8_1X8, V4L2_COLORSPACE_SRGB, }, 170e3ee691dSHugues Fruchet }; 171e3ee691dSHugues Fruchet 17219a81c14SSteve Longerbeam /* 17319a81c14SSteve Longerbeam * FIXME: remove this when a subdev API becomes available 17419a81c14SSteve Longerbeam * to set the MIPI CSI-2 virtual channel. 17519a81c14SSteve Longerbeam */ 17619a81c14SSteve Longerbeam static unsigned int virtual_channel; 1778670d70aSHugues Fruchet module_param(virtual_channel, uint, 0444); 17819a81c14SSteve Longerbeam MODULE_PARM_DESC(virtual_channel, 17919a81c14SSteve Longerbeam "MIPI CSI-2 virtual channel (0..3), default 0"); 18019a81c14SSteve Longerbeam 18119a81c14SSteve Longerbeam static const int ov5640_framerates[] = { 18219a81c14SSteve Longerbeam [OV5640_15_FPS] = 15, 18319a81c14SSteve Longerbeam [OV5640_30_FPS] = 30, 184e823fb16SMaxime Ripard [OV5640_60_FPS] = 60, 18519a81c14SSteve Longerbeam }; 18619a81c14SSteve Longerbeam 18719a81c14SSteve Longerbeam /* regulator supplies */ 18819a81c14SSteve Longerbeam static const char * const ov5640_supply_name[] = { 18941d8d7f5SHugues Fruchet "DOVDD", /* Digital I/O (1.8V) supply */ 19019a81c14SSteve Longerbeam "AVDD", /* Analog (2.8V) supply */ 19124c8ac89SFabio Estevam "DVDD", /* Digital Core (1.5V) supply */ 19219a81c14SSteve Longerbeam }; 19319a81c14SSteve Longerbeam 19419a81c14SSteve Longerbeam #define OV5640_NUM_SUPPLIES ARRAY_SIZE(ov5640_supply_name) 19519a81c14SSteve Longerbeam 19619a81c14SSteve Longerbeam /* 19719a81c14SSteve Longerbeam * Image size under 1280 * 960 are SUBSAMPLING 19819a81c14SSteve Longerbeam * Image size upper 1280 * 960 are SCALING 19919a81c14SSteve Longerbeam */ 20019a81c14SSteve Longerbeam enum ov5640_downsize_mode { 20119a81c14SSteve Longerbeam SUBSAMPLING, 20219a81c14SSteve Longerbeam SCALING, 20319a81c14SSteve Longerbeam }; 20419a81c14SSteve Longerbeam 20519a81c14SSteve Longerbeam struct reg_value { 20619a81c14SSteve Longerbeam u16 reg_addr; 20719a81c14SSteve Longerbeam u8 val; 20819a81c14SSteve Longerbeam u8 mask; 20919a81c14SSteve Longerbeam u32 delay_ms; 21019a81c14SSteve Longerbeam }; 21119a81c14SSteve Longerbeam 21219a81c14SSteve Longerbeam struct ov5640_mode_info { 21319a81c14SSteve Longerbeam enum ov5640_mode_id id; 21419a81c14SSteve Longerbeam enum ov5640_downsize_mode dn_mode; 21522845bf2SJacopo Mondi enum ov5640_pixel_rate_id pixel_rate; 216dba13a0bSMaxime Ripard u32 hact; 217476dec01SMaxime Ripard u32 htot; 218dba13a0bSMaxime Ripard u32 vact; 219476dec01SMaxime Ripard u32 vtot; 22019a81c14SSteve Longerbeam const struct reg_value *reg_data; 22119a81c14SSteve Longerbeam u32 reg_data_size; 2225554c80eSAdam Ford u32 max_fps; 22319a81c14SSteve Longerbeam }; 22419a81c14SSteve Longerbeam 22519a81c14SSteve Longerbeam struct ov5640_ctrls { 22619a81c14SSteve Longerbeam struct v4l2_ctrl_handler handler; 227cc196e48SBenoit Parrot struct v4l2_ctrl *pixel_rate; 22819a81c14SSteve Longerbeam struct { 22919a81c14SSteve Longerbeam struct v4l2_ctrl *auto_exp; 23019a81c14SSteve Longerbeam struct v4l2_ctrl *exposure; 23119a81c14SSteve Longerbeam }; 23219a81c14SSteve Longerbeam struct { 23319a81c14SSteve Longerbeam struct v4l2_ctrl *auto_wb; 23419a81c14SSteve Longerbeam struct v4l2_ctrl *blue_balance; 23519a81c14SSteve Longerbeam struct v4l2_ctrl *red_balance; 23619a81c14SSteve Longerbeam }; 23719a81c14SSteve Longerbeam struct { 23819a81c14SSteve Longerbeam struct v4l2_ctrl *auto_gain; 23919a81c14SSteve Longerbeam struct v4l2_ctrl *gain; 24019a81c14SSteve Longerbeam }; 24119a81c14SSteve Longerbeam struct v4l2_ctrl *brightness; 2421068fecaSMylène Josserand struct v4l2_ctrl *light_freq; 24319a81c14SSteve Longerbeam struct v4l2_ctrl *saturation; 24419a81c14SSteve Longerbeam struct v4l2_ctrl *contrast; 24519a81c14SSteve Longerbeam struct v4l2_ctrl *hue; 24619a81c14SSteve Longerbeam struct v4l2_ctrl *test_pattern; 247ce85705aSHugues Fruchet struct v4l2_ctrl *hflip; 248ce85705aSHugues Fruchet struct v4l2_ctrl *vflip; 24919a81c14SSteve Longerbeam }; 25019a81c14SSteve Longerbeam 25119a81c14SSteve Longerbeam struct ov5640_dev { 25219a81c14SSteve Longerbeam struct i2c_client *i2c_client; 25319a81c14SSteve Longerbeam struct v4l2_subdev sd; 25419a81c14SSteve Longerbeam struct media_pad pad; 25519a81c14SSteve Longerbeam struct v4l2_fwnode_endpoint ep; /* the parsed DT endpoint info */ 25619a81c14SSteve Longerbeam struct clk *xclk; /* system clock to OV5640 */ 25719a81c14SSteve Longerbeam u32 xclk_freq; 25819a81c14SSteve Longerbeam 25919a81c14SSteve Longerbeam struct regulator_bulk_data supplies[OV5640_NUM_SUPPLIES]; 26019a81c14SSteve Longerbeam struct gpio_desc *reset_gpio; 26119a81c14SSteve Longerbeam struct gpio_desc *pwdn_gpio; 262c3f3ba3eSHugues Fruchet bool upside_down; 26319a81c14SSteve Longerbeam 26419a81c14SSteve Longerbeam /* lock to protect all members below */ 26519a81c14SSteve Longerbeam struct mutex lock; 26619a81c14SSteve Longerbeam 26719a81c14SSteve Longerbeam int power_count; 26819a81c14SSteve Longerbeam 26919a81c14SSteve Longerbeam struct v4l2_mbus_framefmt fmt; 270fb98e29fSHugues Fruchet bool pending_fmt_change; 27119a81c14SSteve Longerbeam 27219a81c14SSteve Longerbeam const struct ov5640_mode_info *current_mode; 273985cdcb0SHugues Fruchet const struct ov5640_mode_info *last_mode; 27419a81c14SSteve Longerbeam enum ov5640_frame_rate current_fr; 27519a81c14SSteve Longerbeam struct v4l2_fract frame_interval; 27619a81c14SSteve Longerbeam 27719a81c14SSteve Longerbeam struct ov5640_ctrls ctrls; 27819a81c14SSteve Longerbeam 27919a81c14SSteve Longerbeam u32 prev_sysclk, prev_hts; 28019a81c14SSteve Longerbeam u32 ae_low, ae_high, ae_target; 28119a81c14SSteve Longerbeam 28219a81c14SSteve Longerbeam bool pending_mode_change; 28319a81c14SSteve Longerbeam bool streaming; 28419a81c14SSteve Longerbeam }; 28519a81c14SSteve Longerbeam 28619a81c14SSteve Longerbeam static inline struct ov5640_dev *to_ov5640_dev(struct v4l2_subdev *sd) 28719a81c14SSteve Longerbeam { 28819a81c14SSteve Longerbeam return container_of(sd, struct ov5640_dev, sd); 28919a81c14SSteve Longerbeam } 29019a81c14SSteve Longerbeam 29119a81c14SSteve Longerbeam static inline struct v4l2_subdev *ctrl_to_sd(struct v4l2_ctrl *ctrl) 29219a81c14SSteve Longerbeam { 29319a81c14SSteve Longerbeam return &container_of(ctrl->handler, struct ov5640_dev, 29419a81c14SSteve Longerbeam ctrls.handler)->sd; 29519a81c14SSteve Longerbeam } 29619a81c14SSteve Longerbeam 29719a81c14SSteve Longerbeam /* 29819a81c14SSteve Longerbeam * FIXME: all of these register tables are likely filled with 29919a81c14SSteve Longerbeam * entries that set the register to their power-on default values, 30019a81c14SSteve Longerbeam * and which are otherwise not touched by this driver. Those entries 30119a81c14SSteve Longerbeam * should be identified and removed to speed register load time 30219a81c14SSteve Longerbeam * over i2c. 30319a81c14SSteve Longerbeam */ 304fb98e29fSHugues Fruchet /* YUV422 UYVY VGA@30fps */ 30519a81c14SSteve Longerbeam static const struct reg_value ov5640_init_setting_30fps_VGA[] = { 30619a81c14SSteve Longerbeam {0x3103, 0x11, 0, 0}, {0x3008, 0x82, 0, 5}, {0x3008, 0x42, 0, 0}, 307576f5d4bSLad Prabhakar {0x3103, 0x03, 0, 0}, {0x3630, 0x36, 0, 0}, 30819a81c14SSteve Longerbeam {0x3631, 0x0e, 0, 0}, {0x3632, 0xe2, 0, 0}, {0x3633, 0x12, 0, 0}, 30919a81c14SSteve Longerbeam {0x3621, 0xe0, 0, 0}, {0x3704, 0xa0, 0, 0}, {0x3703, 0x5a, 0, 0}, 31019a81c14SSteve Longerbeam {0x3715, 0x78, 0, 0}, {0x3717, 0x01, 0, 0}, {0x370b, 0x60, 0, 0}, 31119a81c14SSteve Longerbeam {0x3705, 0x1a, 0, 0}, {0x3905, 0x02, 0, 0}, {0x3906, 0x10, 0, 0}, 31219a81c14SSteve Longerbeam {0x3901, 0x0a, 0, 0}, {0x3731, 0x12, 0, 0}, {0x3600, 0x08, 0, 0}, 31319a81c14SSteve Longerbeam {0x3601, 0x33, 0, 0}, {0x302d, 0x60, 0, 0}, {0x3620, 0x52, 0, 0}, 31419a81c14SSteve Longerbeam {0x371b, 0x20, 0, 0}, {0x471c, 0x50, 0, 0}, {0x3a13, 0x43, 0, 0}, 31519a81c14SSteve Longerbeam {0x3a18, 0x00, 0, 0}, {0x3a19, 0xf8, 0, 0}, {0x3635, 0x13, 0, 0}, 31619a81c14SSteve Longerbeam {0x3636, 0x03, 0, 0}, {0x3634, 0x40, 0, 0}, {0x3622, 0x01, 0, 0}, 31719a81c14SSteve Longerbeam {0x3c01, 0xa4, 0, 0}, {0x3c04, 0x28, 0, 0}, {0x3c05, 0x98, 0, 0}, 31819a81c14SSteve Longerbeam {0x3c06, 0x00, 0, 0}, {0x3c07, 0x08, 0, 0}, {0x3c08, 0x00, 0, 0}, 31919a81c14SSteve Longerbeam {0x3c09, 0x1c, 0, 0}, {0x3c0a, 0x9c, 0, 0}, {0x3c0b, 0x40, 0, 0}, 32019a81c14SSteve Longerbeam {0x3820, 0x41, 0, 0}, {0x3821, 0x07, 0, 0}, {0x3814, 0x31, 0, 0}, 32119a81c14SSteve Longerbeam {0x3815, 0x31, 0, 0}, {0x3800, 0x00, 0, 0}, {0x3801, 0x00, 0, 0}, 32219a81c14SSteve Longerbeam {0x3802, 0x00, 0, 0}, {0x3803, 0x04, 0, 0}, {0x3804, 0x0a, 0, 0}, 32319a81c14SSteve Longerbeam {0x3805, 0x3f, 0, 0}, {0x3806, 0x07, 0, 0}, {0x3807, 0x9b, 0, 0}, 324476dec01SMaxime Ripard {0x3810, 0x00, 0, 0}, 32519a81c14SSteve Longerbeam {0x3811, 0x10, 0, 0}, {0x3812, 0x00, 0, 0}, {0x3813, 0x06, 0, 0}, 32619a81c14SSteve Longerbeam {0x3618, 0x00, 0, 0}, {0x3612, 0x29, 0, 0}, {0x3708, 0x64, 0, 0}, 32719a81c14SSteve Longerbeam {0x3709, 0x52, 0, 0}, {0x370c, 0x03, 0, 0}, {0x3a02, 0x03, 0, 0}, 32819a81c14SSteve Longerbeam {0x3a03, 0xd8, 0, 0}, {0x3a08, 0x01, 0, 0}, {0x3a09, 0x27, 0, 0}, 32919a81c14SSteve Longerbeam {0x3a0a, 0x00, 0, 0}, {0x3a0b, 0xf6, 0, 0}, {0x3a0e, 0x03, 0, 0}, 33019a81c14SSteve Longerbeam {0x3a0d, 0x04, 0, 0}, {0x3a14, 0x03, 0, 0}, {0x3a15, 0xd8, 0, 0}, 33119a81c14SSteve Longerbeam {0x4001, 0x02, 0, 0}, {0x4004, 0x02, 0, 0}, {0x3000, 0x00, 0, 0}, 33219a81c14SSteve Longerbeam {0x3002, 0x1c, 0, 0}, {0x3004, 0xff, 0, 0}, {0x3006, 0xc3, 0, 0}, 333aa4bb8b8SJacopo Mondi {0x302e, 0x08, 0, 0}, {0x4300, 0x3f, 0, 0}, 3342b5c18f9SChen-Yu Tsai {0x501f, 0x00, 0, 0}, {0x4407, 0x04, 0, 0}, 33519a81c14SSteve Longerbeam {0x440e, 0x00, 0, 0}, {0x460b, 0x35, 0, 0}, {0x460c, 0x22, 0, 0}, 336aa4bb8b8SJacopo Mondi {0x4837, 0x0a, 0, 0}, {0x3824, 0x02, 0, 0}, 33719a81c14SSteve Longerbeam {0x5000, 0xa7, 0, 0}, {0x5001, 0xa3, 0, 0}, {0x5180, 0xff, 0, 0}, 33819a81c14SSteve Longerbeam {0x5181, 0xf2, 0, 0}, {0x5182, 0x00, 0, 0}, {0x5183, 0x14, 0, 0}, 33919a81c14SSteve Longerbeam {0x5184, 0x25, 0, 0}, {0x5185, 0x24, 0, 0}, {0x5186, 0x09, 0, 0}, 34019a81c14SSteve Longerbeam {0x5187, 0x09, 0, 0}, {0x5188, 0x09, 0, 0}, {0x5189, 0x88, 0, 0}, 34119a81c14SSteve Longerbeam {0x518a, 0x54, 0, 0}, {0x518b, 0xee, 0, 0}, {0x518c, 0xb2, 0, 0}, 34219a81c14SSteve Longerbeam {0x518d, 0x50, 0, 0}, {0x518e, 0x34, 0, 0}, {0x518f, 0x6b, 0, 0}, 34319a81c14SSteve Longerbeam {0x5190, 0x46, 0, 0}, {0x5191, 0xf8, 0, 0}, {0x5192, 0x04, 0, 0}, 34419a81c14SSteve Longerbeam {0x5193, 0x70, 0, 0}, {0x5194, 0xf0, 0, 0}, {0x5195, 0xf0, 0, 0}, 34519a81c14SSteve Longerbeam {0x5196, 0x03, 0, 0}, {0x5197, 0x01, 0, 0}, {0x5198, 0x04, 0, 0}, 34619a81c14SSteve Longerbeam {0x5199, 0x6c, 0, 0}, {0x519a, 0x04, 0, 0}, {0x519b, 0x00, 0, 0}, 34719a81c14SSteve Longerbeam {0x519c, 0x09, 0, 0}, {0x519d, 0x2b, 0, 0}, {0x519e, 0x38, 0, 0}, 34819a81c14SSteve Longerbeam {0x5381, 0x1e, 0, 0}, {0x5382, 0x5b, 0, 0}, {0x5383, 0x08, 0, 0}, 34919a81c14SSteve Longerbeam {0x5384, 0x0a, 0, 0}, {0x5385, 0x7e, 0, 0}, {0x5386, 0x88, 0, 0}, 35019a81c14SSteve Longerbeam {0x5387, 0x7c, 0, 0}, {0x5388, 0x6c, 0, 0}, {0x5389, 0x10, 0, 0}, 35119a81c14SSteve Longerbeam {0x538a, 0x01, 0, 0}, {0x538b, 0x98, 0, 0}, {0x5300, 0x08, 0, 0}, 35219a81c14SSteve Longerbeam {0x5301, 0x30, 0, 0}, {0x5302, 0x10, 0, 0}, {0x5303, 0x00, 0, 0}, 35319a81c14SSteve Longerbeam {0x5304, 0x08, 0, 0}, {0x5305, 0x30, 0, 0}, {0x5306, 0x08, 0, 0}, 35419a81c14SSteve Longerbeam {0x5307, 0x16, 0, 0}, {0x5309, 0x08, 0, 0}, {0x530a, 0x30, 0, 0}, 35519a81c14SSteve Longerbeam {0x530b, 0x04, 0, 0}, {0x530c, 0x06, 0, 0}, {0x5480, 0x01, 0, 0}, 35619a81c14SSteve Longerbeam {0x5481, 0x08, 0, 0}, {0x5482, 0x14, 0, 0}, {0x5483, 0x28, 0, 0}, 35719a81c14SSteve Longerbeam {0x5484, 0x51, 0, 0}, {0x5485, 0x65, 0, 0}, {0x5486, 0x71, 0, 0}, 35819a81c14SSteve Longerbeam {0x5487, 0x7d, 0, 0}, {0x5488, 0x87, 0, 0}, {0x5489, 0x91, 0, 0}, 35919a81c14SSteve Longerbeam {0x548a, 0x9a, 0, 0}, {0x548b, 0xaa, 0, 0}, {0x548c, 0xb8, 0, 0}, 36019a81c14SSteve Longerbeam {0x548d, 0xcd, 0, 0}, {0x548e, 0xdd, 0, 0}, {0x548f, 0xea, 0, 0}, 36119a81c14SSteve Longerbeam {0x5490, 0x1d, 0, 0}, {0x5580, 0x02, 0, 0}, {0x5583, 0x40, 0, 0}, 36219a81c14SSteve Longerbeam {0x5584, 0x10, 0, 0}, {0x5589, 0x10, 0, 0}, {0x558a, 0x00, 0, 0}, 36319a81c14SSteve Longerbeam {0x558b, 0xf8, 0, 0}, {0x5800, 0x23, 0, 0}, {0x5801, 0x14, 0, 0}, 36419a81c14SSteve Longerbeam {0x5802, 0x0f, 0, 0}, {0x5803, 0x0f, 0, 0}, {0x5804, 0x12, 0, 0}, 36519a81c14SSteve Longerbeam {0x5805, 0x26, 0, 0}, {0x5806, 0x0c, 0, 0}, {0x5807, 0x08, 0, 0}, 36619a81c14SSteve Longerbeam {0x5808, 0x05, 0, 0}, {0x5809, 0x05, 0, 0}, {0x580a, 0x08, 0, 0}, 36719a81c14SSteve Longerbeam {0x580b, 0x0d, 0, 0}, {0x580c, 0x08, 0, 0}, {0x580d, 0x03, 0, 0}, 36819a81c14SSteve Longerbeam {0x580e, 0x00, 0, 0}, {0x580f, 0x00, 0, 0}, {0x5810, 0x03, 0, 0}, 36919a81c14SSteve Longerbeam {0x5811, 0x09, 0, 0}, {0x5812, 0x07, 0, 0}, {0x5813, 0x03, 0, 0}, 37019a81c14SSteve Longerbeam {0x5814, 0x00, 0, 0}, {0x5815, 0x01, 0, 0}, {0x5816, 0x03, 0, 0}, 37119a81c14SSteve Longerbeam {0x5817, 0x08, 0, 0}, {0x5818, 0x0d, 0, 0}, {0x5819, 0x08, 0, 0}, 37219a81c14SSteve Longerbeam {0x581a, 0x05, 0, 0}, {0x581b, 0x06, 0, 0}, {0x581c, 0x08, 0, 0}, 37319a81c14SSteve Longerbeam {0x581d, 0x0e, 0, 0}, {0x581e, 0x29, 0, 0}, {0x581f, 0x17, 0, 0}, 37419a81c14SSteve Longerbeam {0x5820, 0x11, 0, 0}, {0x5821, 0x11, 0, 0}, {0x5822, 0x15, 0, 0}, 37519a81c14SSteve Longerbeam {0x5823, 0x28, 0, 0}, {0x5824, 0x46, 0, 0}, {0x5825, 0x26, 0, 0}, 37619a81c14SSteve Longerbeam {0x5826, 0x08, 0, 0}, {0x5827, 0x26, 0, 0}, {0x5828, 0x64, 0, 0}, 37719a81c14SSteve Longerbeam {0x5829, 0x26, 0, 0}, {0x582a, 0x24, 0, 0}, {0x582b, 0x22, 0, 0}, 37819a81c14SSteve Longerbeam {0x582c, 0x24, 0, 0}, {0x582d, 0x24, 0, 0}, {0x582e, 0x06, 0, 0}, 37919a81c14SSteve Longerbeam {0x582f, 0x22, 0, 0}, {0x5830, 0x40, 0, 0}, {0x5831, 0x42, 0, 0}, 38019a81c14SSteve Longerbeam {0x5832, 0x24, 0, 0}, {0x5833, 0x26, 0, 0}, {0x5834, 0x24, 0, 0}, 38119a81c14SSteve Longerbeam {0x5835, 0x22, 0, 0}, {0x5836, 0x22, 0, 0}, {0x5837, 0x26, 0, 0}, 38219a81c14SSteve Longerbeam {0x5838, 0x44, 0, 0}, {0x5839, 0x24, 0, 0}, {0x583a, 0x26, 0, 0}, 38319a81c14SSteve Longerbeam {0x583b, 0x28, 0, 0}, {0x583c, 0x42, 0, 0}, {0x583d, 0xce, 0, 0}, 38419a81c14SSteve Longerbeam {0x5025, 0x00, 0, 0}, {0x3a0f, 0x30, 0, 0}, {0x3a10, 0x28, 0, 0}, 38519a81c14SSteve Longerbeam {0x3a1b, 0x30, 0, 0}, {0x3a1e, 0x26, 0, 0}, {0x3a11, 0x60, 0, 0}, 38619a81c14SSteve Longerbeam {0x3a1f, 0x14, 0, 0}, {0x3008, 0x02, 0, 0}, {0x3c00, 0x04, 0, 300}, 38719a81c14SSteve Longerbeam }; 38819a81c14SSteve Longerbeam 389086c25f8SMaxime Ripard static const struct reg_value ov5640_setting_VGA_640_480[] = { 390c14d107eSMaxime Ripard {0x3c07, 0x08, 0, 0}, 39119a81c14SSteve Longerbeam {0x3c09, 0x1c, 0, 0}, {0x3c0a, 0x9c, 0, 0}, {0x3c0b, 0x40, 0, 0}, 392ce85705aSHugues Fruchet {0x3814, 0x31, 0, 0}, 39319a81c14SSteve Longerbeam {0x3815, 0x31, 0, 0}, {0x3800, 0x00, 0, 0}, {0x3801, 0x00, 0, 0}, 39419a81c14SSteve Longerbeam {0x3802, 0x00, 0, 0}, {0x3803, 0x04, 0, 0}, {0x3804, 0x0a, 0, 0}, 39519a81c14SSteve Longerbeam {0x3805, 0x3f, 0, 0}, {0x3806, 0x07, 0, 0}, {0x3807, 0x9b, 0, 0}, 396476dec01SMaxime Ripard {0x3810, 0x00, 0, 0}, 39719a81c14SSteve Longerbeam {0x3811, 0x10, 0, 0}, {0x3812, 0x00, 0, 0}, {0x3813, 0x06, 0, 0}, 39819a81c14SSteve Longerbeam {0x3618, 0x00, 0, 0}, {0x3612, 0x29, 0, 0}, {0x3708, 0x64, 0, 0}, 39919a81c14SSteve Longerbeam {0x3709, 0x52, 0, 0}, {0x370c, 0x03, 0, 0}, {0x3a02, 0x03, 0, 0}, 40019a81c14SSteve Longerbeam {0x3a03, 0xd8, 0, 0}, {0x3a08, 0x01, 0, 0}, {0x3a09, 0x27, 0, 0}, 40119a81c14SSteve Longerbeam {0x3a0a, 0x00, 0, 0}, {0x3a0b, 0xf6, 0, 0}, {0x3a0e, 0x03, 0, 0}, 40219a81c14SSteve Longerbeam {0x3a0d, 0x04, 0, 0}, {0x3a14, 0x03, 0, 0}, {0x3a15, 0xd8, 0, 0}, 4032b5c18f9SChen-Yu Tsai {0x4001, 0x02, 0, 0}, {0x4004, 0x02, 0, 0}, 40419a81c14SSteve Longerbeam {0x4407, 0x04, 0, 0}, {0x460b, 0x35, 0, 0}, {0x460c, 0x22, 0, 0}, 40519a81c14SSteve Longerbeam {0x3824, 0x02, 0, 0}, {0x5001, 0xa3, 0, 0}, 40619a81c14SSteve Longerbeam }; 40719a81c14SSteve Longerbeam 408086c25f8SMaxime Ripard static const struct reg_value ov5640_setting_XGA_1024_768[] = { 409c14d107eSMaxime Ripard {0x3c07, 0x08, 0, 0}, 41019a81c14SSteve Longerbeam {0x3c09, 0x1c, 0, 0}, {0x3c0a, 0x9c, 0, 0}, {0x3c0b, 0x40, 0, 0}, 411ce85705aSHugues Fruchet {0x3814, 0x31, 0, 0}, 41219a81c14SSteve Longerbeam {0x3815, 0x31, 0, 0}, {0x3800, 0x00, 0, 0}, {0x3801, 0x00, 0, 0}, 41319a81c14SSteve Longerbeam {0x3802, 0x00, 0, 0}, {0x3803, 0x04, 0, 0}, {0x3804, 0x0a, 0, 0}, 41419a81c14SSteve Longerbeam {0x3805, 0x3f, 0, 0}, {0x3806, 0x07, 0, 0}, {0x3807, 0x9b, 0, 0}, 415476dec01SMaxime Ripard {0x3810, 0x00, 0, 0}, 41619a81c14SSteve Longerbeam {0x3811, 0x10, 0, 0}, {0x3812, 0x00, 0, 0}, {0x3813, 0x06, 0, 0}, 41719a81c14SSteve Longerbeam {0x3618, 0x00, 0, 0}, {0x3612, 0x29, 0, 0}, {0x3708, 0x64, 0, 0}, 41819a81c14SSteve Longerbeam {0x3709, 0x52, 0, 0}, {0x370c, 0x03, 0, 0}, {0x3a02, 0x03, 0, 0}, 41919a81c14SSteve Longerbeam {0x3a03, 0xd8, 0, 0}, {0x3a08, 0x01, 0, 0}, {0x3a09, 0x27, 0, 0}, 42019a81c14SSteve Longerbeam {0x3a0a, 0x00, 0, 0}, {0x3a0b, 0xf6, 0, 0}, {0x3a0e, 0x03, 0, 0}, 42119a81c14SSteve Longerbeam {0x3a0d, 0x04, 0, 0}, {0x3a14, 0x03, 0, 0}, {0x3a15, 0xd8, 0, 0}, 4222b5c18f9SChen-Yu Tsai {0x4001, 0x02, 0, 0}, {0x4004, 0x02, 0, 0}, 42319a81c14SSteve Longerbeam {0x4407, 0x04, 0, 0}, {0x460b, 0x35, 0, 0}, {0x460c, 0x22, 0, 0}, 42486633417SMaxime Ripard {0x3824, 0x02, 0, 0}, {0x5001, 0xa3, 0, 0}, 42519a81c14SSteve Longerbeam }; 42619a81c14SSteve Longerbeam 427086c25f8SMaxime Ripard static const struct reg_value ov5640_setting_QVGA_320_240[] = { 428c14d107eSMaxime Ripard {0x3c07, 0x08, 0, 0}, 42919a81c14SSteve Longerbeam {0x3c09, 0x1c, 0, 0}, {0x3c0a, 0x9c, 0, 0}, {0x3c0b, 0x40, 0, 0}, 430ce85705aSHugues Fruchet {0x3814, 0x31, 0, 0}, 43119a81c14SSteve Longerbeam {0x3815, 0x31, 0, 0}, {0x3800, 0x00, 0, 0}, {0x3801, 0x00, 0, 0}, 43219a81c14SSteve Longerbeam {0x3802, 0x00, 0, 0}, {0x3803, 0x04, 0, 0}, {0x3804, 0x0a, 0, 0}, 43319a81c14SSteve Longerbeam {0x3805, 0x3f, 0, 0}, {0x3806, 0x07, 0, 0}, {0x3807, 0x9b, 0, 0}, 434476dec01SMaxime Ripard {0x3810, 0x00, 0, 0}, 43519a81c14SSteve Longerbeam {0x3811, 0x10, 0, 0}, {0x3812, 0x00, 0, 0}, {0x3813, 0x06, 0, 0}, 43619a81c14SSteve Longerbeam {0x3618, 0x00, 0, 0}, {0x3612, 0x29, 0, 0}, {0x3708, 0x64, 0, 0}, 43719a81c14SSteve Longerbeam {0x3709, 0x52, 0, 0}, {0x370c, 0x03, 0, 0}, {0x3a02, 0x03, 0, 0}, 43819a81c14SSteve Longerbeam {0x3a03, 0xd8, 0, 0}, {0x3a08, 0x01, 0, 0}, {0x3a09, 0x27, 0, 0}, 43919a81c14SSteve Longerbeam {0x3a0a, 0x00, 0, 0}, {0x3a0b, 0xf6, 0, 0}, {0x3a0e, 0x03, 0, 0}, 44019a81c14SSteve Longerbeam {0x3a0d, 0x04, 0, 0}, {0x3a14, 0x03, 0, 0}, {0x3a15, 0xd8, 0, 0}, 4412b5c18f9SChen-Yu Tsai {0x4001, 0x02, 0, 0}, {0x4004, 0x02, 0, 0}, 44219a81c14SSteve Longerbeam {0x4407, 0x04, 0, 0}, {0x460b, 0x35, 0, 0}, {0x460c, 0x22, 0, 0}, 44319a81c14SSteve Longerbeam {0x3824, 0x02, 0, 0}, {0x5001, 0xa3, 0, 0}, 44419a81c14SSteve Longerbeam }; 44519a81c14SSteve Longerbeam 44632ea5e05SHugues Fruchet static const struct reg_value ov5640_setting_QQVGA_160_120[] = { 44732ea5e05SHugues Fruchet {0x3c07, 0x08, 0, 0}, 44832ea5e05SHugues Fruchet {0x3c09, 0x1c, 0, 0}, {0x3c0a, 0x9c, 0, 0}, {0x3c0b, 0x40, 0, 0}, 44932ea5e05SHugues Fruchet {0x3814, 0x31, 0, 0}, 45032ea5e05SHugues Fruchet {0x3815, 0x31, 0, 0}, {0x3800, 0x00, 0, 0}, {0x3801, 0x00, 0, 0}, 45132ea5e05SHugues Fruchet {0x3802, 0x00, 0, 0}, {0x3803, 0x04, 0, 0}, {0x3804, 0x0a, 0, 0}, 45232ea5e05SHugues Fruchet {0x3805, 0x3f, 0, 0}, {0x3806, 0x07, 0, 0}, {0x3807, 0x9b, 0, 0}, 45332ea5e05SHugues Fruchet {0x3810, 0x00, 0, 0}, 45432ea5e05SHugues Fruchet {0x3811, 0x10, 0, 0}, {0x3812, 0x00, 0, 0}, {0x3813, 0x06, 0, 0}, 45532ea5e05SHugues Fruchet {0x3618, 0x00, 0, 0}, {0x3612, 0x29, 0, 0}, {0x3708, 0x64, 0, 0}, 45632ea5e05SHugues Fruchet {0x3709, 0x52, 0, 0}, {0x370c, 0x03, 0, 0}, {0x3a02, 0x03, 0, 0}, 45732ea5e05SHugues Fruchet {0x3a03, 0xd8, 0, 0}, {0x3a08, 0x01, 0, 0}, {0x3a09, 0x27, 0, 0}, 45832ea5e05SHugues Fruchet {0x3a0a, 0x00, 0, 0}, {0x3a0b, 0xf6, 0, 0}, {0x3a0e, 0x03, 0, 0}, 45932ea5e05SHugues Fruchet {0x3a0d, 0x04, 0, 0}, {0x3a14, 0x03, 0, 0}, {0x3a15, 0xd8, 0, 0}, 46032ea5e05SHugues Fruchet {0x4001, 0x02, 0, 0}, {0x4004, 0x02, 0, 0}, 46132ea5e05SHugues Fruchet {0x4407, 0x04, 0, 0}, {0x5001, 0xa3, 0, 0}, 46232ea5e05SHugues Fruchet }; 46332ea5e05SHugues Fruchet 464086c25f8SMaxime Ripard static const struct reg_value ov5640_setting_QCIF_176_144[] = { 465c14d107eSMaxime Ripard {0x3c07, 0x08, 0, 0}, 46619a81c14SSteve Longerbeam {0x3c09, 0x1c, 0, 0}, {0x3c0a, 0x9c, 0, 0}, {0x3c0b, 0x40, 0, 0}, 467ce85705aSHugues Fruchet {0x3814, 0x31, 0, 0}, 46819a81c14SSteve Longerbeam {0x3815, 0x31, 0, 0}, {0x3800, 0x00, 0, 0}, {0x3801, 0x00, 0, 0}, 46919a81c14SSteve Longerbeam {0x3802, 0x00, 0, 0}, {0x3803, 0x04, 0, 0}, {0x3804, 0x0a, 0, 0}, 47019a81c14SSteve Longerbeam {0x3805, 0x3f, 0, 0}, {0x3806, 0x07, 0, 0}, {0x3807, 0x9b, 0, 0}, 471476dec01SMaxime Ripard {0x3810, 0x00, 0, 0}, 47219a81c14SSteve Longerbeam {0x3811, 0x10, 0, 0}, {0x3812, 0x00, 0, 0}, {0x3813, 0x06, 0, 0}, 47319a81c14SSteve Longerbeam {0x3618, 0x00, 0, 0}, {0x3612, 0x29, 0, 0}, {0x3708, 0x64, 0, 0}, 47419a81c14SSteve Longerbeam {0x3709, 0x52, 0, 0}, {0x370c, 0x03, 0, 0}, {0x3a02, 0x03, 0, 0}, 47519a81c14SSteve Longerbeam {0x3a03, 0xd8, 0, 0}, {0x3a08, 0x01, 0, 0}, {0x3a09, 0x27, 0, 0}, 47619a81c14SSteve Longerbeam {0x3a0a, 0x00, 0, 0}, {0x3a0b, 0xf6, 0, 0}, {0x3a0e, 0x03, 0, 0}, 47719a81c14SSteve Longerbeam {0x3a0d, 0x04, 0, 0}, {0x3a14, 0x03, 0, 0}, {0x3a15, 0xd8, 0, 0}, 4782b5c18f9SChen-Yu Tsai {0x4001, 0x02, 0, 0}, {0x4004, 0x02, 0, 0}, 47919a81c14SSteve Longerbeam {0x4407, 0x04, 0, 0}, {0x460b, 0x35, 0, 0}, {0x460c, 0x22, 0, 0}, 48019a81c14SSteve Longerbeam {0x3824, 0x02, 0, 0}, {0x5001, 0xa3, 0, 0}, 48119a81c14SSteve Longerbeam }; 48219a81c14SSteve Longerbeam 483086c25f8SMaxime Ripard static const struct reg_value ov5640_setting_NTSC_720_480[] = { 484c14d107eSMaxime Ripard {0x3c07, 0x08, 0, 0}, 48519a81c14SSteve Longerbeam {0x3c09, 0x1c, 0, 0}, {0x3c0a, 0x9c, 0, 0}, {0x3c0b, 0x40, 0, 0}, 486ce85705aSHugues Fruchet {0x3814, 0x31, 0, 0}, 48719a81c14SSteve Longerbeam {0x3815, 0x31, 0, 0}, {0x3800, 0x00, 0, 0}, {0x3801, 0x00, 0, 0}, 48819a81c14SSteve Longerbeam {0x3802, 0x00, 0, 0}, {0x3803, 0x04, 0, 0}, {0x3804, 0x0a, 0, 0}, 48919a81c14SSteve Longerbeam {0x3805, 0x3f, 0, 0}, {0x3806, 0x07, 0, 0}, {0x3807, 0x9b, 0, 0}, 490476dec01SMaxime Ripard {0x3810, 0x00, 0, 0}, 49119a81c14SSteve Longerbeam {0x3811, 0x10, 0, 0}, {0x3812, 0x00, 0, 0}, {0x3813, 0x3c, 0, 0}, 49219a81c14SSteve Longerbeam {0x3618, 0x00, 0, 0}, {0x3612, 0x29, 0, 0}, {0x3708, 0x64, 0, 0}, 49319a81c14SSteve Longerbeam {0x3709, 0x52, 0, 0}, {0x370c, 0x03, 0, 0}, {0x3a02, 0x03, 0, 0}, 49419a81c14SSteve Longerbeam {0x3a03, 0xd8, 0, 0}, {0x3a08, 0x01, 0, 0}, {0x3a09, 0x27, 0, 0}, 49519a81c14SSteve Longerbeam {0x3a0a, 0x00, 0, 0}, {0x3a0b, 0xf6, 0, 0}, {0x3a0e, 0x03, 0, 0}, 49619a81c14SSteve Longerbeam {0x3a0d, 0x04, 0, 0}, {0x3a14, 0x03, 0, 0}, {0x3a15, 0xd8, 0, 0}, 4972b5c18f9SChen-Yu Tsai {0x4001, 0x02, 0, 0}, {0x4004, 0x02, 0, 0}, 49819a81c14SSteve Longerbeam {0x4407, 0x04, 0, 0}, {0x460b, 0x35, 0, 0}, {0x460c, 0x22, 0, 0}, 49919a81c14SSteve Longerbeam {0x3824, 0x02, 0, 0}, {0x5001, 0xa3, 0, 0}, 50019a81c14SSteve Longerbeam }; 50119a81c14SSteve Longerbeam 502086c25f8SMaxime Ripard static const struct reg_value ov5640_setting_PAL_720_576[] = { 503c14d107eSMaxime Ripard {0x3c07, 0x08, 0, 0}, 50419a81c14SSteve Longerbeam {0x3c09, 0x1c, 0, 0}, {0x3c0a, 0x9c, 0, 0}, {0x3c0b, 0x40, 0, 0}, 505ce85705aSHugues Fruchet {0x3814, 0x31, 0, 0}, 50619a81c14SSteve Longerbeam {0x3815, 0x31, 0, 0}, {0x3800, 0x00, 0, 0}, {0x3801, 0x00, 0, 0}, 50719a81c14SSteve Longerbeam {0x3802, 0x00, 0, 0}, {0x3803, 0x04, 0, 0}, {0x3804, 0x0a, 0, 0}, 50819a81c14SSteve Longerbeam {0x3805, 0x3f, 0, 0}, {0x3806, 0x07, 0, 0}, {0x3807, 0x9b, 0, 0}, 509476dec01SMaxime Ripard {0x3810, 0x00, 0, 0}, 51019a81c14SSteve Longerbeam {0x3811, 0x38, 0, 0}, {0x3812, 0x00, 0, 0}, {0x3813, 0x06, 0, 0}, 51119a81c14SSteve Longerbeam {0x3618, 0x00, 0, 0}, {0x3612, 0x29, 0, 0}, {0x3708, 0x64, 0, 0}, 51219a81c14SSteve Longerbeam {0x3709, 0x52, 0, 0}, {0x370c, 0x03, 0, 0}, {0x3a02, 0x03, 0, 0}, 51319a81c14SSteve Longerbeam {0x3a03, 0xd8, 0, 0}, {0x3a08, 0x01, 0, 0}, {0x3a09, 0x27, 0, 0}, 51419a81c14SSteve Longerbeam {0x3a0a, 0x00, 0, 0}, {0x3a0b, 0xf6, 0, 0}, {0x3a0e, 0x03, 0, 0}, 51519a81c14SSteve Longerbeam {0x3a0d, 0x04, 0, 0}, {0x3a14, 0x03, 0, 0}, {0x3a15, 0xd8, 0, 0}, 5162b5c18f9SChen-Yu Tsai {0x4001, 0x02, 0, 0}, {0x4004, 0x02, 0, 0}, 51719a81c14SSteve Longerbeam {0x4407, 0x04, 0, 0}, {0x460b, 0x35, 0, 0}, {0x460c, 0x22, 0, 0}, 51819a81c14SSteve Longerbeam {0x3824, 0x02, 0, 0}, {0x5001, 0xa3, 0, 0}, 51919a81c14SSteve Longerbeam }; 52019a81c14SSteve Longerbeam 521086c25f8SMaxime Ripard static const struct reg_value ov5640_setting_720P_1280_720[] = { 522c14d107eSMaxime Ripard {0x3c07, 0x07, 0, 0}, 52319a81c14SSteve Longerbeam {0x3c09, 0x1c, 0, 0}, {0x3c0a, 0x9c, 0, 0}, {0x3c0b, 0x40, 0, 0}, 524ce85705aSHugues Fruchet {0x3814, 0x31, 0, 0}, 52519a81c14SSteve Longerbeam {0x3815, 0x31, 0, 0}, {0x3800, 0x00, 0, 0}, {0x3801, 0x00, 0, 0}, 52619a81c14SSteve Longerbeam {0x3802, 0x00, 0, 0}, {0x3803, 0xfa, 0, 0}, {0x3804, 0x0a, 0, 0}, 52719a81c14SSteve Longerbeam {0x3805, 0x3f, 0, 0}, {0x3806, 0x06, 0, 0}, {0x3807, 0xa9, 0, 0}, 528476dec01SMaxime Ripard {0x3810, 0x00, 0, 0}, 52919a81c14SSteve Longerbeam {0x3811, 0x10, 0, 0}, {0x3812, 0x00, 0, 0}, {0x3813, 0x04, 0, 0}, 53019a81c14SSteve Longerbeam {0x3618, 0x00, 0, 0}, {0x3612, 0x29, 0, 0}, {0x3708, 0x64, 0, 0}, 53119a81c14SSteve Longerbeam {0x3709, 0x52, 0, 0}, {0x370c, 0x03, 0, 0}, {0x3a02, 0x02, 0, 0}, 53219a81c14SSteve Longerbeam {0x3a03, 0xe4, 0, 0}, {0x3a08, 0x01, 0, 0}, {0x3a09, 0xbc, 0, 0}, 53319a81c14SSteve Longerbeam {0x3a0a, 0x01, 0, 0}, {0x3a0b, 0x72, 0, 0}, {0x3a0e, 0x01, 0, 0}, 53419a81c14SSteve Longerbeam {0x3a0d, 0x02, 0, 0}, {0x3a14, 0x02, 0, 0}, {0x3a15, 0xe4, 0, 0}, 5352b5c18f9SChen-Yu Tsai {0x4001, 0x02, 0, 0}, {0x4004, 0x02, 0, 0}, 53619a81c14SSteve Longerbeam {0x4407, 0x04, 0, 0}, {0x460b, 0x37, 0, 0}, {0x460c, 0x20, 0, 0}, 53719a81c14SSteve Longerbeam {0x3824, 0x04, 0, 0}, {0x5001, 0x83, 0, 0}, 53819a81c14SSteve Longerbeam }; 53919a81c14SSteve Longerbeam 540086c25f8SMaxime Ripard static const struct reg_value ov5640_setting_1080P_1920_1080[] = { 541c14d107eSMaxime Ripard {0x3c07, 0x08, 0, 0}, 54219a81c14SSteve Longerbeam {0x3c09, 0x1c, 0, 0}, {0x3c0a, 0x9c, 0, 0}, {0x3c0b, 0x40, 0, 0}, 543ce85705aSHugues Fruchet {0x3814, 0x11, 0, 0}, 54419a81c14SSteve Longerbeam {0x3815, 0x11, 0, 0}, {0x3800, 0x00, 0, 0}, {0x3801, 0x00, 0, 0}, 54519a81c14SSteve Longerbeam {0x3802, 0x00, 0, 0}, {0x3803, 0x00, 0, 0}, {0x3804, 0x0a, 0, 0}, 54619a81c14SSteve Longerbeam {0x3805, 0x3f, 0, 0}, {0x3806, 0x07, 0, 0}, {0x3807, 0x9f, 0, 0}, 547476dec01SMaxime Ripard {0x3810, 0x00, 0, 0}, 54819a81c14SSteve Longerbeam {0x3811, 0x10, 0, 0}, {0x3812, 0x00, 0, 0}, {0x3813, 0x04, 0, 0}, 54919a81c14SSteve Longerbeam {0x3618, 0x04, 0, 0}, {0x3612, 0x29, 0, 0}, {0x3708, 0x21, 0, 0}, 55019a81c14SSteve Longerbeam {0x3709, 0x12, 0, 0}, {0x370c, 0x00, 0, 0}, {0x3a02, 0x03, 0, 0}, 55119a81c14SSteve Longerbeam {0x3a03, 0xd8, 0, 0}, {0x3a08, 0x01, 0, 0}, {0x3a09, 0x27, 0, 0}, 55219a81c14SSteve Longerbeam {0x3a0a, 0x00, 0, 0}, {0x3a0b, 0xf6, 0, 0}, {0x3a0e, 0x03, 0, 0}, 55319a81c14SSteve Longerbeam {0x3a0d, 0x04, 0, 0}, {0x3a14, 0x03, 0, 0}, {0x3a15, 0xd8, 0, 0}, 5542b5c18f9SChen-Yu Tsai {0x4001, 0x02, 0, 0}, {0x4004, 0x06, 0, 0}, 55519a81c14SSteve Longerbeam {0x4407, 0x04, 0, 0}, {0x460b, 0x35, 0, 0}, {0x460c, 0x22, 0, 0}, 556c14d107eSMaxime Ripard {0x3824, 0x02, 0, 0}, {0x5001, 0x83, 0, 0}, 557c14d107eSMaxime Ripard {0x3c07, 0x07, 0, 0}, {0x3c08, 0x00, 0, 0}, 55819a81c14SSteve Longerbeam {0x3c09, 0x1c, 0, 0}, {0x3c0a, 0x9c, 0, 0}, {0x3c0b, 0x40, 0, 0}, 55919a81c14SSteve Longerbeam {0x3800, 0x01, 0, 0}, {0x3801, 0x50, 0, 0}, {0x3802, 0x01, 0, 0}, 56019a81c14SSteve Longerbeam {0x3803, 0xb2, 0, 0}, {0x3804, 0x08, 0, 0}, {0x3805, 0xef, 0, 0}, 56186633417SMaxime Ripard {0x3806, 0x05, 0, 0}, {0x3807, 0xf1, 0, 0}, 562476dec01SMaxime Ripard {0x3612, 0x2b, 0, 0}, {0x3708, 0x64, 0, 0}, 56319a81c14SSteve Longerbeam {0x3a02, 0x04, 0, 0}, {0x3a03, 0x60, 0, 0}, {0x3a08, 0x01, 0, 0}, 56419a81c14SSteve Longerbeam {0x3a09, 0x50, 0, 0}, {0x3a0a, 0x01, 0, 0}, {0x3a0b, 0x18, 0, 0}, 56519a81c14SSteve Longerbeam {0x3a0e, 0x03, 0, 0}, {0x3a0d, 0x04, 0, 0}, {0x3a14, 0x04, 0, 0}, 5662b5c18f9SChen-Yu Tsai {0x3a15, 0x60, 0, 0}, {0x4407, 0x04, 0, 0}, 56719a81c14SSteve Longerbeam {0x460b, 0x37, 0, 0}, {0x460c, 0x20, 0, 0}, {0x3824, 0x04, 0, 0}, 56892b9096cSBenoit Parrot {0x4005, 0x1a, 0, 0}, 56919a81c14SSteve Longerbeam }; 57019a81c14SSteve Longerbeam 571086c25f8SMaxime Ripard static const struct reg_value ov5640_setting_QSXGA_2592_1944[] = { 572c14d107eSMaxime Ripard {0x3c07, 0x08, 0, 0}, 57319a81c14SSteve Longerbeam {0x3c09, 0x1c, 0, 0}, {0x3c0a, 0x9c, 0, 0}, {0x3c0b, 0x40, 0, 0}, 574ce85705aSHugues Fruchet {0x3814, 0x11, 0, 0}, 57519a81c14SSteve Longerbeam {0x3815, 0x11, 0, 0}, {0x3800, 0x00, 0, 0}, {0x3801, 0x00, 0, 0}, 57619a81c14SSteve Longerbeam {0x3802, 0x00, 0, 0}, {0x3803, 0x00, 0, 0}, {0x3804, 0x0a, 0, 0}, 57719a81c14SSteve Longerbeam {0x3805, 0x3f, 0, 0}, {0x3806, 0x07, 0, 0}, {0x3807, 0x9f, 0, 0}, 578476dec01SMaxime Ripard {0x3810, 0x00, 0, 0}, 57919a81c14SSteve Longerbeam {0x3811, 0x10, 0, 0}, {0x3812, 0x00, 0, 0}, {0x3813, 0x04, 0, 0}, 58019a81c14SSteve Longerbeam {0x3618, 0x04, 0, 0}, {0x3612, 0x29, 0, 0}, {0x3708, 0x21, 0, 0}, 58119a81c14SSteve Longerbeam {0x3709, 0x12, 0, 0}, {0x370c, 0x00, 0, 0}, {0x3a02, 0x03, 0, 0}, 58219a81c14SSteve Longerbeam {0x3a03, 0xd8, 0, 0}, {0x3a08, 0x01, 0, 0}, {0x3a09, 0x27, 0, 0}, 58319a81c14SSteve Longerbeam {0x3a0a, 0x00, 0, 0}, {0x3a0b, 0xf6, 0, 0}, {0x3a0e, 0x03, 0, 0}, 58419a81c14SSteve Longerbeam {0x3a0d, 0x04, 0, 0}, {0x3a14, 0x03, 0, 0}, {0x3a15, 0xd8, 0, 0}, 5852b5c18f9SChen-Yu Tsai {0x4001, 0x02, 0, 0}, {0x4004, 0x06, 0, 0}, 58619a81c14SSteve Longerbeam {0x4407, 0x04, 0, 0}, {0x460b, 0x35, 0, 0}, {0x460c, 0x22, 0, 0}, 58719a81c14SSteve Longerbeam {0x3824, 0x02, 0, 0}, {0x5001, 0x83, 0, 70}, 58819a81c14SSteve Longerbeam }; 58919a81c14SSteve Longerbeam 59019a81c14SSteve Longerbeam /* power-on sensor init reg table */ 59119a81c14SSteve Longerbeam static const struct ov5640_mode_info ov5640_mode_init_data = { 59222845bf2SJacopo Mondi 0, SUBSAMPLING, 59322845bf2SJacopo Mondi OV5640_PIXEL_RATE_96M, 59422845bf2SJacopo Mondi 640, 1896, 480, 984, 595476dec01SMaxime Ripard ov5640_init_setting_30fps_VGA, 59619a81c14SSteve Longerbeam ARRAY_SIZE(ov5640_init_setting_30fps_VGA), 5975554c80eSAdam Ford OV5640_30_FPS, 59819a81c14SSteve Longerbeam }; 59919a81c14SSteve Longerbeam 60019a81c14SSteve Longerbeam static const struct ov5640_mode_info 601086c25f8SMaxime Ripard ov5640_mode_data[OV5640_NUM_MODES] = { 602*8409d017SJacopo Mondi { 603*8409d017SJacopo Mondi /* 160x120 */ 604*8409d017SJacopo Mondi OV5640_MODE_QQVGA_160_120, SUBSAMPLING, 60522845bf2SJacopo Mondi OV5640_PIXEL_RATE_48M, 60632ea5e05SHugues Fruchet 160, 1896, 120, 984, 60732ea5e05SHugues Fruchet ov5640_setting_QQVGA_160_120, 60832ea5e05SHugues Fruchet ARRAY_SIZE(ov5640_setting_QQVGA_160_120), 609*8409d017SJacopo Mondi OV5640_30_FPS 610*8409d017SJacopo Mondi }, { 611*8409d017SJacopo Mondi /* 176x144 */ 612*8409d017SJacopo Mondi OV5640_MODE_QCIF_176_144, SUBSAMPLING, 61322845bf2SJacopo Mondi OV5640_PIXEL_RATE_48M, 614476dec01SMaxime Ripard 176, 1896, 144, 984, 615086c25f8SMaxime Ripard ov5640_setting_QCIF_176_144, 6165554c80eSAdam Ford ARRAY_SIZE(ov5640_setting_QCIF_176_144), 617*8409d017SJacopo Mondi OV5640_30_FPS 618*8409d017SJacopo Mondi }, { 619*8409d017SJacopo Mondi /* 320x240 */ 620*8409d017SJacopo Mondi OV5640_MODE_QVGA_320_240, SUBSAMPLING, 62122845bf2SJacopo Mondi OV5640_PIXEL_RATE_48M, 622476dec01SMaxime Ripard 320, 1896, 240, 984, 623086c25f8SMaxime Ripard ov5640_setting_QVGA_320_240, 6245554c80eSAdam Ford ARRAY_SIZE(ov5640_setting_QVGA_320_240), 625*8409d017SJacopo Mondi OV5640_30_FPS 626*8409d017SJacopo Mondi }, { 627*8409d017SJacopo Mondi /* 640x480 */ 628*8409d017SJacopo Mondi OV5640_MODE_VGA_640_480, SUBSAMPLING, 62922845bf2SJacopo Mondi OV5640_PIXEL_RATE_48M, 630476dec01SMaxime Ripard 640, 1896, 480, 1080, 631086c25f8SMaxime Ripard ov5640_setting_VGA_640_480, 6325554c80eSAdam Ford ARRAY_SIZE(ov5640_setting_VGA_640_480), 633*8409d017SJacopo Mondi OV5640_60_FPS 634*8409d017SJacopo Mondi }, { 635*8409d017SJacopo Mondi /* 720x480 */ 636*8409d017SJacopo Mondi OV5640_MODE_NTSC_720_480, SUBSAMPLING, 63722845bf2SJacopo Mondi OV5640_PIXEL_RATE_96M, 638476dec01SMaxime Ripard 720, 1896, 480, 984, 639086c25f8SMaxime Ripard ov5640_setting_NTSC_720_480, 6405554c80eSAdam Ford ARRAY_SIZE(ov5640_setting_NTSC_720_480), 641*8409d017SJacopo Mondi OV5640_30_FPS 642*8409d017SJacopo Mondi }, { 643*8409d017SJacopo Mondi /* 720x576 */ 644*8409d017SJacopo Mondi OV5640_MODE_PAL_720_576, SUBSAMPLING, 64522845bf2SJacopo Mondi OV5640_PIXEL_RATE_96M, 646476dec01SMaxime Ripard 720, 1896, 576, 984, 647086c25f8SMaxime Ripard ov5640_setting_PAL_720_576, 6485554c80eSAdam Ford ARRAY_SIZE(ov5640_setting_PAL_720_576), 649*8409d017SJacopo Mondi OV5640_30_FPS 650*8409d017SJacopo Mondi }, { 651*8409d017SJacopo Mondi /* 1024x768 */ 652*8409d017SJacopo Mondi OV5640_MODE_XGA_1024_768, SUBSAMPLING, 65322845bf2SJacopo Mondi OV5640_PIXEL_RATE_96M, 654476dec01SMaxime Ripard 1024, 1896, 768, 1080, 655086c25f8SMaxime Ripard ov5640_setting_XGA_1024_768, 6565554c80eSAdam Ford ARRAY_SIZE(ov5640_setting_XGA_1024_768), 657*8409d017SJacopo Mondi OV5640_30_FPS 658*8409d017SJacopo Mondi }, { 659*8409d017SJacopo Mondi /* 1280x720 */ 660*8409d017SJacopo Mondi OV5640_MODE_720P_1280_720, SUBSAMPLING, 66122845bf2SJacopo Mondi OV5640_PIXEL_RATE_124M, 662476dec01SMaxime Ripard 1280, 1892, 720, 740, 663086c25f8SMaxime Ripard ov5640_setting_720P_1280_720, 6645554c80eSAdam Ford ARRAY_SIZE(ov5640_setting_720P_1280_720), 665*8409d017SJacopo Mondi OV5640_30_FPS 666*8409d017SJacopo Mondi }, { 667*8409d017SJacopo Mondi /* 1920x1080 */ 668*8409d017SJacopo Mondi OV5640_MODE_1080P_1920_1080, SCALING, 66922845bf2SJacopo Mondi OV5640_PIXEL_RATE_148M, 670476dec01SMaxime Ripard 1920, 2500, 1080, 1120, 671086c25f8SMaxime Ripard ov5640_setting_1080P_1920_1080, 6725554c80eSAdam Ford ARRAY_SIZE(ov5640_setting_1080P_1920_1080), 673*8409d017SJacopo Mondi OV5640_30_FPS 674*8409d017SJacopo Mondi }, { 675*8409d017SJacopo Mondi /* 2592x1944 */ 676*8409d017SJacopo Mondi OV5640_MODE_QSXGA_2592_1944, SCALING, 67722845bf2SJacopo Mondi OV5640_PIXEL_RATE_168M, 678476dec01SMaxime Ripard 2592, 2844, 1944, 1968, 679086c25f8SMaxime Ripard ov5640_setting_QSXGA_2592_1944, 6805554c80eSAdam Ford ARRAY_SIZE(ov5640_setting_QSXGA_2592_1944), 681*8409d017SJacopo Mondi OV5640_15_FPS 682*8409d017SJacopo Mondi }, 68319a81c14SSteve Longerbeam }; 68419a81c14SSteve Longerbeam 68519a81c14SSteve Longerbeam static int ov5640_init_slave_id(struct ov5640_dev *sensor) 68619a81c14SSteve Longerbeam { 68719a81c14SSteve Longerbeam struct i2c_client *client = sensor->i2c_client; 68819a81c14SSteve Longerbeam struct i2c_msg msg; 68919a81c14SSteve Longerbeam u8 buf[3]; 69019a81c14SSteve Longerbeam int ret; 69119a81c14SSteve Longerbeam 69219a81c14SSteve Longerbeam if (client->addr == OV5640_DEFAULT_SLAVE_ID) 69319a81c14SSteve Longerbeam return 0; 69419a81c14SSteve Longerbeam 69519a81c14SSteve Longerbeam buf[0] = OV5640_REG_SLAVE_ID >> 8; 69619a81c14SSteve Longerbeam buf[1] = OV5640_REG_SLAVE_ID & 0xff; 69719a81c14SSteve Longerbeam buf[2] = client->addr << 1; 69819a81c14SSteve Longerbeam 69919a81c14SSteve Longerbeam msg.addr = OV5640_DEFAULT_SLAVE_ID; 70019a81c14SSteve Longerbeam msg.flags = 0; 70119a81c14SSteve Longerbeam msg.buf = buf; 70219a81c14SSteve Longerbeam msg.len = sizeof(buf); 70319a81c14SSteve Longerbeam 70419a81c14SSteve Longerbeam ret = i2c_transfer(client->adapter, &msg, 1); 70519a81c14SSteve Longerbeam if (ret < 0) { 70619a81c14SSteve Longerbeam dev_err(&client->dev, "%s: failed with %d\n", __func__, ret); 70719a81c14SSteve Longerbeam return ret; 70819a81c14SSteve Longerbeam } 70919a81c14SSteve Longerbeam 71019a81c14SSteve Longerbeam return 0; 71119a81c14SSteve Longerbeam } 71219a81c14SSteve Longerbeam 71319a81c14SSteve Longerbeam static int ov5640_write_reg(struct ov5640_dev *sensor, u16 reg, u8 val) 71419a81c14SSteve Longerbeam { 71519a81c14SSteve Longerbeam struct i2c_client *client = sensor->i2c_client; 71619a81c14SSteve Longerbeam struct i2c_msg msg; 71719a81c14SSteve Longerbeam u8 buf[3]; 71819a81c14SSteve Longerbeam int ret; 71919a81c14SSteve Longerbeam 72019a81c14SSteve Longerbeam buf[0] = reg >> 8; 72119a81c14SSteve Longerbeam buf[1] = reg & 0xff; 72219a81c14SSteve Longerbeam buf[2] = val; 72319a81c14SSteve Longerbeam 72419a81c14SSteve Longerbeam msg.addr = client->addr; 72519a81c14SSteve Longerbeam msg.flags = client->flags; 72619a81c14SSteve Longerbeam msg.buf = buf; 72719a81c14SSteve Longerbeam msg.len = sizeof(buf); 72819a81c14SSteve Longerbeam 72919a81c14SSteve Longerbeam ret = i2c_transfer(client->adapter, &msg, 1); 73019a81c14SSteve Longerbeam if (ret < 0) { 7313924c623SHugues Fruchet dev_err(&client->dev, "%s: error: reg=%x, val=%x\n", 73219a81c14SSteve Longerbeam __func__, reg, val); 73319a81c14SSteve Longerbeam return ret; 73419a81c14SSteve Longerbeam } 73519a81c14SSteve Longerbeam 73619a81c14SSteve Longerbeam return 0; 73719a81c14SSteve Longerbeam } 73819a81c14SSteve Longerbeam 73919a81c14SSteve Longerbeam static int ov5640_read_reg(struct ov5640_dev *sensor, u16 reg, u8 *val) 74019a81c14SSteve Longerbeam { 74119a81c14SSteve Longerbeam struct i2c_client *client = sensor->i2c_client; 74219a81c14SSteve Longerbeam struct i2c_msg msg[2]; 74319a81c14SSteve Longerbeam u8 buf[2]; 74419a81c14SSteve Longerbeam int ret; 74519a81c14SSteve Longerbeam 74619a81c14SSteve Longerbeam buf[0] = reg >> 8; 74719a81c14SSteve Longerbeam buf[1] = reg & 0xff; 74819a81c14SSteve Longerbeam 74919a81c14SSteve Longerbeam msg[0].addr = client->addr; 75019a81c14SSteve Longerbeam msg[0].flags = client->flags; 75119a81c14SSteve Longerbeam msg[0].buf = buf; 75219a81c14SSteve Longerbeam msg[0].len = sizeof(buf); 75319a81c14SSteve Longerbeam 75419a81c14SSteve Longerbeam msg[1].addr = client->addr; 75519a81c14SSteve Longerbeam msg[1].flags = client->flags | I2C_M_RD; 75619a81c14SSteve Longerbeam msg[1].buf = buf; 75719a81c14SSteve Longerbeam msg[1].len = 1; 75819a81c14SSteve Longerbeam 75919a81c14SSteve Longerbeam ret = i2c_transfer(client->adapter, msg, 2); 7603924c623SHugues Fruchet if (ret < 0) { 7613924c623SHugues Fruchet dev_err(&client->dev, "%s: error: reg=%x\n", 7623924c623SHugues Fruchet __func__, reg); 76319a81c14SSteve Longerbeam return ret; 7643924c623SHugues Fruchet } 76519a81c14SSteve Longerbeam 76619a81c14SSteve Longerbeam *val = buf[0]; 76719a81c14SSteve Longerbeam return 0; 76819a81c14SSteve Longerbeam } 76919a81c14SSteve Longerbeam 77019a81c14SSteve Longerbeam static int ov5640_read_reg16(struct ov5640_dev *sensor, u16 reg, u16 *val) 77119a81c14SSteve Longerbeam { 77219a81c14SSteve Longerbeam u8 hi, lo; 77319a81c14SSteve Longerbeam int ret; 77419a81c14SSteve Longerbeam 77519a81c14SSteve Longerbeam ret = ov5640_read_reg(sensor, reg, &hi); 77619a81c14SSteve Longerbeam if (ret) 77719a81c14SSteve Longerbeam return ret; 77819a81c14SSteve Longerbeam ret = ov5640_read_reg(sensor, reg + 1, &lo); 77919a81c14SSteve Longerbeam if (ret) 78019a81c14SSteve Longerbeam return ret; 78119a81c14SSteve Longerbeam 78219a81c14SSteve Longerbeam *val = ((u16)hi << 8) | (u16)lo; 78319a81c14SSteve Longerbeam return 0; 78419a81c14SSteve Longerbeam } 78519a81c14SSteve Longerbeam 78619a81c14SSteve Longerbeam static int ov5640_write_reg16(struct ov5640_dev *sensor, u16 reg, u16 val) 78719a81c14SSteve Longerbeam { 78819a81c14SSteve Longerbeam int ret; 78919a81c14SSteve Longerbeam 79019a81c14SSteve Longerbeam ret = ov5640_write_reg(sensor, reg, val >> 8); 79119a81c14SSteve Longerbeam if (ret) 79219a81c14SSteve Longerbeam return ret; 79319a81c14SSteve Longerbeam 79419a81c14SSteve Longerbeam return ov5640_write_reg(sensor, reg + 1, val & 0xff); 79519a81c14SSteve Longerbeam } 79619a81c14SSteve Longerbeam 79719a81c14SSteve Longerbeam static int ov5640_mod_reg(struct ov5640_dev *sensor, u16 reg, 79819a81c14SSteve Longerbeam u8 mask, u8 val) 79919a81c14SSteve Longerbeam { 80019a81c14SSteve Longerbeam u8 readval; 80119a81c14SSteve Longerbeam int ret; 80219a81c14SSteve Longerbeam 80319a81c14SSteve Longerbeam ret = ov5640_read_reg(sensor, reg, &readval); 80419a81c14SSteve Longerbeam if (ret) 80519a81c14SSteve Longerbeam return ret; 80619a81c14SSteve Longerbeam 80719a81c14SSteve Longerbeam readval &= ~mask; 80819a81c14SSteve Longerbeam val &= mask; 80919a81c14SSteve Longerbeam val |= readval; 81019a81c14SSteve Longerbeam 81119a81c14SSteve Longerbeam return ov5640_write_reg(sensor, reg, val); 81219a81c14SSteve Longerbeam } 81319a81c14SSteve Longerbeam 814aa288248SMaxime Ripard /* 815aa288248SMaxime Ripard * After trying the various combinations, reading various 816f8a7647dSMauro Carvalho Chehab * documentations spread around the net, and from the various 817aa288248SMaxime Ripard * feedback, the clock tree is probably as follows: 818aa288248SMaxime Ripard * 819aa288248SMaxime Ripard * +--------------+ 820aa288248SMaxime Ripard * | Ext. Clock | 821aa288248SMaxime Ripard * +-+------------+ 822aa288248SMaxime Ripard * | +----------+ 823aa288248SMaxime Ripard * +->| PLL1 | - reg 0x3036, for the multiplier 824aa288248SMaxime Ripard * +-+--------+ - reg 0x3037, bits 0-3 for the pre-divider 825aa288248SMaxime Ripard * | +--------------+ 826aa288248SMaxime Ripard * +->| System Clock | - reg 0x3035, bits 4-7 827aa288248SMaxime Ripard * +-+------------+ 828aa288248SMaxime Ripard * | +--------------+ 829aa288248SMaxime Ripard * +->| MIPI Divider | - reg 0x3035, bits 0-3 830aa288248SMaxime Ripard * | +-+------------+ 831aa288248SMaxime Ripard * | +----------------> MIPI SCLK 832aa288248SMaxime Ripard * | + +-----+ 833aa288248SMaxime Ripard * | +->| / 2 |-------> MIPI BIT CLK 834aa288248SMaxime Ripard * | +-----+ 835aa288248SMaxime Ripard * | +--------------+ 836aa288248SMaxime Ripard * +->| PLL Root Div | - reg 0x3037, bit 4 837aa288248SMaxime Ripard * +-+------------+ 838aa288248SMaxime Ripard * | +---------+ 8394c85f628SPaul Kocialkowski * +->| Bit Div | - reg 0x3034, bits 0-3 840aa288248SMaxime Ripard * +-+-------+ 841aa288248SMaxime Ripard * | +-------------+ 842aa288248SMaxime Ripard * +->| SCLK Div | - reg 0x3108, bits 0-1 843aa288248SMaxime Ripard * | +-+-----------+ 844aa288248SMaxime Ripard * | +---------------> SCLK 845aa288248SMaxime Ripard * | +-------------+ 846aa288248SMaxime Ripard * +->| SCLK 2X Div | - reg 0x3108, bits 2-3 847aa288248SMaxime Ripard * | +-+-----------+ 848aa288248SMaxime Ripard * | +---------------> SCLK 2X 849aa288248SMaxime Ripard * | +-------------+ 850aa288248SMaxime Ripard * +->| PCLK Div | - reg 0x3108, bits 4-5 851aa288248SMaxime Ripard * ++------------+ 852aa288248SMaxime Ripard * + +-----------+ 853aa288248SMaxime Ripard * +->| P_DIV | - reg 0x3035, bits 0-3 854aa288248SMaxime Ripard * +-----+-----+ 855aa288248SMaxime Ripard * +------------> PCLK 856aa288248SMaxime Ripard * 857aa288248SMaxime Ripard * This is deviating from the datasheet at least for the register 858aa288248SMaxime Ripard * 0x3108, since it's said here that the PCLK would be clocked from 859aa288248SMaxime Ripard * the PLL. 860aa288248SMaxime Ripard * 861aa288248SMaxime Ripard * There seems to be also (unverified) constraints: 862aa288248SMaxime Ripard * - the PLL pre-divider output rate should be in the 4-27MHz range 863aa288248SMaxime Ripard * - the PLL multiplier output rate should be in the 500-1000MHz range 864aa288248SMaxime Ripard * - PCLK >= SCLK * 2 in YUV, >= SCLK in Raw or JPEG 865aa288248SMaxime Ripard * 866aa288248SMaxime Ripard * In the two latter cases, these constraints are met since our 867aa288248SMaxime Ripard * factors are hardcoded. If we were to change that, we would need to 868aa288248SMaxime Ripard * take this into account. The only varying parts are the PLL 869aa288248SMaxime Ripard * multiplier and the system clock divider, which are shared between 870aa288248SMaxime Ripard * all these clocks so won't cause any issue. 871aa288248SMaxime Ripard */ 872aa288248SMaxime Ripard 873aa288248SMaxime Ripard /* 874aa288248SMaxime Ripard * This is supposed to be ranging from 1 to 8, but the value is always 875aa288248SMaxime Ripard * set to 3 in the vendor kernels. 876aa288248SMaxime Ripard */ 877aa288248SMaxime Ripard #define OV5640_PLL_PREDIV 3 878aa288248SMaxime Ripard 879aa288248SMaxime Ripard #define OV5640_PLL_MULT_MIN 4 880aa288248SMaxime Ripard #define OV5640_PLL_MULT_MAX 252 881aa288248SMaxime Ripard 882aa288248SMaxime Ripard /* 883aa288248SMaxime Ripard * This is supposed to be ranging from 1 to 16, but the value is 884aa288248SMaxime Ripard * always set to either 1 or 2 in the vendor kernels. 885aa288248SMaxime Ripard */ 886aa288248SMaxime Ripard #define OV5640_SYSDIV_MIN 1 887aa288248SMaxime Ripard #define OV5640_SYSDIV_MAX 16 888aa288248SMaxime Ripard 889aa288248SMaxime Ripard /* 890aa288248SMaxime Ripard * Hardcode these values for scaler and non-scaler modes. 891aa288248SMaxime Ripard * FIXME: to be re-calcualted for 1 data lanes setups 892aa288248SMaxime Ripard */ 893aa288248SMaxime Ripard #define OV5640_MIPI_DIV_PCLK 2 894aa288248SMaxime Ripard #define OV5640_MIPI_DIV_SCLK 1 895aa288248SMaxime Ripard 896aa288248SMaxime Ripard /* 897aa288248SMaxime Ripard * This is supposed to be ranging from 1 to 2, but the value is always 898aa288248SMaxime Ripard * set to 2 in the vendor kernels. 899aa288248SMaxime Ripard */ 900aa288248SMaxime Ripard #define OV5640_PLL_ROOT_DIV 2 901aa288248SMaxime Ripard #define OV5640_PLL_CTRL3_PLL_ROOT_DIV_2 BIT(4) 902aa288248SMaxime Ripard 903aa288248SMaxime Ripard /* 904aa288248SMaxime Ripard * We only supports 8-bit formats at the moment 905aa288248SMaxime Ripard */ 906aa288248SMaxime Ripard #define OV5640_BIT_DIV 2 907aa288248SMaxime Ripard #define OV5640_PLL_CTRL0_MIPI_MODE_8BIT 0x08 908aa288248SMaxime Ripard 909aa288248SMaxime Ripard /* 910aa288248SMaxime Ripard * This is supposed to be ranging from 1 to 8, but the value is always 911aa288248SMaxime Ripard * set to 2 in the vendor kernels. 912aa288248SMaxime Ripard */ 913aa288248SMaxime Ripard #define OV5640_SCLK_ROOT_DIV 2 914aa288248SMaxime Ripard 915aa288248SMaxime Ripard /* 916aa288248SMaxime Ripard * This is hardcoded so that the consistency is maintained between SCLK and 917aa288248SMaxime Ripard * SCLK 2x. 918aa288248SMaxime Ripard */ 919aa288248SMaxime Ripard #define OV5640_SCLK2X_ROOT_DIV (OV5640_SCLK_ROOT_DIV / 2) 920aa288248SMaxime Ripard 921aa288248SMaxime Ripard /* 922aa288248SMaxime Ripard * This is supposed to be ranging from 1 to 8, but the value is always 923aa288248SMaxime Ripard * set to 1 in the vendor kernels. 924aa288248SMaxime Ripard */ 925aa288248SMaxime Ripard #define OV5640_PCLK_ROOT_DIV 1 926aa288248SMaxime Ripard #define OV5640_PLL_SYS_ROOT_DIVIDER_BYPASS 0x00 927aa288248SMaxime Ripard 928aa288248SMaxime Ripard static unsigned long ov5640_compute_sys_clk(struct ov5640_dev *sensor, 929aa288248SMaxime Ripard u8 pll_prediv, u8 pll_mult, 930aa288248SMaxime Ripard u8 sysdiv) 931aa288248SMaxime Ripard { 932aa288248SMaxime Ripard unsigned long sysclk = sensor->xclk_freq / pll_prediv * pll_mult; 933aa288248SMaxime Ripard 934aa288248SMaxime Ripard /* PLL1 output cannot exceed 1GHz. */ 935aa288248SMaxime Ripard if (sysclk / 1000000 > 1000) 936aa288248SMaxime Ripard return 0; 937aa288248SMaxime Ripard 938aa288248SMaxime Ripard return sysclk / sysdiv; 939aa288248SMaxime Ripard } 940aa288248SMaxime Ripard 941aa288248SMaxime Ripard static unsigned long ov5640_calc_sys_clk(struct ov5640_dev *sensor, 942aa288248SMaxime Ripard unsigned long rate, 943aa288248SMaxime Ripard u8 *pll_prediv, u8 *pll_mult, 944aa288248SMaxime Ripard u8 *sysdiv) 945aa288248SMaxime Ripard { 946aa288248SMaxime Ripard unsigned long best = ~0; 947aa288248SMaxime Ripard u8 best_sysdiv = 1, best_mult = 1; 948aa288248SMaxime Ripard u8 _sysdiv, _pll_mult; 949aa288248SMaxime Ripard 950aa288248SMaxime Ripard for (_sysdiv = OV5640_SYSDIV_MIN; 951aa288248SMaxime Ripard _sysdiv <= OV5640_SYSDIV_MAX; 952aa288248SMaxime Ripard _sysdiv++) { 953aa288248SMaxime Ripard for (_pll_mult = OV5640_PLL_MULT_MIN; 954aa288248SMaxime Ripard _pll_mult <= OV5640_PLL_MULT_MAX; 955aa288248SMaxime Ripard _pll_mult++) { 956aa288248SMaxime Ripard unsigned long _rate; 957aa288248SMaxime Ripard 958aa288248SMaxime Ripard /* 959aa288248SMaxime Ripard * The PLL multiplier cannot be odd if above 960aa288248SMaxime Ripard * 127. 961aa288248SMaxime Ripard */ 962aa288248SMaxime Ripard if (_pll_mult > 127 && (_pll_mult % 2)) 963aa288248SMaxime Ripard continue; 964aa288248SMaxime Ripard 965aa288248SMaxime Ripard _rate = ov5640_compute_sys_clk(sensor, 966aa288248SMaxime Ripard OV5640_PLL_PREDIV, 967aa288248SMaxime Ripard _pll_mult, _sysdiv); 968aa288248SMaxime Ripard 969aa288248SMaxime Ripard /* 970aa288248SMaxime Ripard * We have reached the maximum allowed PLL1 output, 971aa288248SMaxime Ripard * increase sysdiv. 972aa288248SMaxime Ripard */ 9732e3df204SAdam Ford if (!_rate) 974aa288248SMaxime Ripard break; 975aa288248SMaxime Ripard 976aa288248SMaxime Ripard /* 977aa288248SMaxime Ripard * Prefer rates above the expected clock rate than 978aa288248SMaxime Ripard * below, even if that means being less precise. 979aa288248SMaxime Ripard */ 980aa288248SMaxime Ripard if (_rate < rate) 981aa288248SMaxime Ripard continue; 982aa288248SMaxime Ripard 983aa288248SMaxime Ripard if (abs(rate - _rate) < abs(rate - best)) { 984aa288248SMaxime Ripard best = _rate; 985aa288248SMaxime Ripard best_sysdiv = _sysdiv; 986aa288248SMaxime Ripard best_mult = _pll_mult; 987aa288248SMaxime Ripard } 988aa288248SMaxime Ripard 989aa288248SMaxime Ripard if (_rate == rate) 990aa288248SMaxime Ripard goto out; 991aa288248SMaxime Ripard } 992aa288248SMaxime Ripard } 993aa288248SMaxime Ripard 994aa288248SMaxime Ripard out: 995aa288248SMaxime Ripard *sysdiv = best_sysdiv; 996aa288248SMaxime Ripard *pll_prediv = OV5640_PLL_PREDIV; 997aa288248SMaxime Ripard *pll_mult = best_mult; 998aa288248SMaxime Ripard 999aa288248SMaxime Ripard return best; 1000aa288248SMaxime Ripard } 1001aa288248SMaxime Ripard 1002aa288248SMaxime Ripard /* 1003aa288248SMaxime Ripard * ov5640_set_mipi_pclk() - Calculate the clock tree configuration values 1004aa288248SMaxime Ripard * for the MIPI CSI-2 output. 1005aa288248SMaxime Ripard * 1006aa288248SMaxime Ripard * @rate: The requested bandwidth per lane in bytes per second. 1007aa288248SMaxime Ripard * 'Bandwidth Per Lane' is calculated as: 1008aa288248SMaxime Ripard * bpl = HTOT * VTOT * FPS * bpp / num_lanes; 1009aa288248SMaxime Ripard * 1010aa288248SMaxime Ripard * This function use the requested bandwidth to calculate: 1011aa288248SMaxime Ripard * - sample_rate = bpl / (bpp / num_lanes); 1012aa288248SMaxime Ripard * = bpl / (PLL_RDIV * BIT_DIV * PCLK_DIV * MIPI_DIV / num_lanes); 1013aa288248SMaxime Ripard * 1014aa288248SMaxime Ripard * - mipi_sclk = bpl / MIPI_DIV / 2; ( / 2 is for CSI-2 DDR) 1015aa288248SMaxime Ripard * 1016aa288248SMaxime Ripard * with these fixed parameters: 1017aa288248SMaxime Ripard * PLL_RDIV = 2; 1018aa288248SMaxime Ripard * BIT_DIVIDER = 2; (MIPI_BIT_MODE == 8 ? 2 : 2,5); 1019aa288248SMaxime Ripard * PCLK_DIV = 1; 1020aa288248SMaxime Ripard * 1021aa288248SMaxime Ripard * The MIPI clock generation differs for modes that use the scaler and modes 1022aa288248SMaxime Ripard * that do not. In case the scaler is in use, the MIPI_SCLK generates the MIPI 1023aa288248SMaxime Ripard * BIT CLk, and thus: 1024aa288248SMaxime Ripard * 1025aa288248SMaxime Ripard * - mipi_sclk = bpl / MIPI_DIV / 2; 1026aa288248SMaxime Ripard * MIPI_DIV = 1; 1027aa288248SMaxime Ripard * 1028aa288248SMaxime Ripard * For modes that do not go through the scaler, the MIPI BIT CLOCK is generated 1029aa288248SMaxime Ripard * from the pixel clock, and thus: 1030aa288248SMaxime Ripard * 1031aa288248SMaxime Ripard * - sample_rate = bpl / (bpp / num_lanes); 1032aa288248SMaxime Ripard * = bpl / (2 * 2 * 1 * MIPI_DIV / num_lanes); 1033aa288248SMaxime Ripard * = bpl / (4 * MIPI_DIV / num_lanes); 1034aa288248SMaxime Ripard * - MIPI_DIV = bpp / (4 * num_lanes); 1035aa288248SMaxime Ripard * 1036aa288248SMaxime Ripard * FIXME: this have been tested with 16bpp and 2 lanes setup only. 1037aa288248SMaxime Ripard * MIPI_DIV is fixed to value 2, but it -might- be changed according to the 1038aa288248SMaxime Ripard * above formula for setups with 1 lane or image formats with different bpp. 1039aa288248SMaxime Ripard * 1040aa288248SMaxime Ripard * FIXME: this deviates from the sensor manual documentation which is quite 1041aa288248SMaxime Ripard * thin on the MIPI clock tree generation part. 1042aa288248SMaxime Ripard */ 1043aa288248SMaxime Ripard static int ov5640_set_mipi_pclk(struct ov5640_dev *sensor, 1044aa288248SMaxime Ripard unsigned long rate) 1045aa288248SMaxime Ripard { 1046aa288248SMaxime Ripard const struct ov5640_mode_info *mode = sensor->current_mode; 1047aa288248SMaxime Ripard u8 prediv, mult, sysdiv; 1048aa288248SMaxime Ripard u8 mipi_div; 1049aa288248SMaxime Ripard int ret; 1050aa288248SMaxime Ripard 1051aa288248SMaxime Ripard /* 1052aa288248SMaxime Ripard * 1280x720 is reported to use 'SUBSAMPLING' only, 1053aa288248SMaxime Ripard * but according to the sensor manual it goes through the 1054aa288248SMaxime Ripard * scaler before subsampling. 1055aa288248SMaxime Ripard */ 1056aa288248SMaxime Ripard if (mode->dn_mode == SCALING || 1057aa288248SMaxime Ripard (mode->id == OV5640_MODE_720P_1280_720)) 1058aa288248SMaxime Ripard mipi_div = OV5640_MIPI_DIV_SCLK; 1059aa288248SMaxime Ripard else 1060aa288248SMaxime Ripard mipi_div = OV5640_MIPI_DIV_PCLK; 1061aa288248SMaxime Ripard 1062aa288248SMaxime Ripard ov5640_calc_sys_clk(sensor, rate, &prediv, &mult, &sysdiv); 1063aa288248SMaxime Ripard 1064aa288248SMaxime Ripard ret = ov5640_mod_reg(sensor, OV5640_REG_SC_PLL_CTRL0, 1065aa288248SMaxime Ripard 0x0f, OV5640_PLL_CTRL0_MIPI_MODE_8BIT); 1066aa288248SMaxime Ripard 1067aa288248SMaxime Ripard ret = ov5640_mod_reg(sensor, OV5640_REG_SC_PLL_CTRL1, 1068aa288248SMaxime Ripard 0xff, sysdiv << 4 | mipi_div); 1069aa288248SMaxime Ripard if (ret) 1070aa288248SMaxime Ripard return ret; 1071aa288248SMaxime Ripard 1072aa288248SMaxime Ripard ret = ov5640_mod_reg(sensor, OV5640_REG_SC_PLL_CTRL2, 0xff, mult); 1073aa288248SMaxime Ripard if (ret) 1074aa288248SMaxime Ripard return ret; 1075aa288248SMaxime Ripard 1076aa288248SMaxime Ripard ret = ov5640_mod_reg(sensor, OV5640_REG_SC_PLL_CTRL3, 1077aa288248SMaxime Ripard 0x1f, OV5640_PLL_CTRL3_PLL_ROOT_DIV_2 | prediv); 1078aa288248SMaxime Ripard if (ret) 1079aa288248SMaxime Ripard return ret; 1080aa288248SMaxime Ripard 1081aa288248SMaxime Ripard return ov5640_mod_reg(sensor, OV5640_REG_SYS_ROOT_DIVIDER, 1082aa288248SMaxime Ripard 0x30, OV5640_PLL_SYS_ROOT_DIVIDER_BYPASS); 1083aa288248SMaxime Ripard } 1084aa288248SMaxime Ripard 1085aa288248SMaxime Ripard static unsigned long ov5640_calc_pclk(struct ov5640_dev *sensor, 1086aa288248SMaxime Ripard unsigned long rate, 1087aa288248SMaxime Ripard u8 *pll_prediv, u8 *pll_mult, u8 *sysdiv, 1088aa288248SMaxime Ripard u8 *pll_rdiv, u8 *bit_div, u8 *pclk_div) 1089aa288248SMaxime Ripard { 1090aa288248SMaxime Ripard unsigned long _rate = rate * OV5640_PLL_ROOT_DIV * OV5640_BIT_DIV * 1091aa288248SMaxime Ripard OV5640_PCLK_ROOT_DIV; 1092aa288248SMaxime Ripard 1093aa288248SMaxime Ripard _rate = ov5640_calc_sys_clk(sensor, _rate, pll_prediv, pll_mult, 1094aa288248SMaxime Ripard sysdiv); 1095aa288248SMaxime Ripard *pll_rdiv = OV5640_PLL_ROOT_DIV; 1096aa288248SMaxime Ripard *bit_div = OV5640_BIT_DIV; 1097aa288248SMaxime Ripard *pclk_div = OV5640_PCLK_ROOT_DIV; 1098aa288248SMaxime Ripard 1099aa288248SMaxime Ripard return _rate / *pll_rdiv / *bit_div / *pclk_div; 1100aa288248SMaxime Ripard } 1101aa288248SMaxime Ripard 1102aa288248SMaxime Ripard static int ov5640_set_dvp_pclk(struct ov5640_dev *sensor, unsigned long rate) 1103aa288248SMaxime Ripard { 1104aa288248SMaxime Ripard u8 prediv, mult, sysdiv, pll_rdiv, bit_div, pclk_div; 1105aa288248SMaxime Ripard int ret; 1106aa288248SMaxime Ripard 1107aa288248SMaxime Ripard ov5640_calc_pclk(sensor, rate, &prediv, &mult, &sysdiv, &pll_rdiv, 1108aa288248SMaxime Ripard &bit_div, &pclk_div); 1109aa288248SMaxime Ripard 1110aa288248SMaxime Ripard if (bit_div == 2) 1111aa288248SMaxime Ripard bit_div = 8; 1112aa288248SMaxime Ripard 1113aa288248SMaxime Ripard ret = ov5640_mod_reg(sensor, OV5640_REG_SC_PLL_CTRL0, 1114aa288248SMaxime Ripard 0x0f, bit_div); 1115aa288248SMaxime Ripard if (ret) 1116aa288248SMaxime Ripard return ret; 1117aa288248SMaxime Ripard 1118aa288248SMaxime Ripard /* 1119aa288248SMaxime Ripard * We need to set sysdiv according to the clock, and to clear 1120aa288248SMaxime Ripard * the MIPI divider. 1121aa288248SMaxime Ripard */ 1122aa288248SMaxime Ripard ret = ov5640_mod_reg(sensor, OV5640_REG_SC_PLL_CTRL1, 1123aa288248SMaxime Ripard 0xff, sysdiv << 4); 1124aa288248SMaxime Ripard if (ret) 1125aa288248SMaxime Ripard return ret; 1126aa288248SMaxime Ripard 1127aa288248SMaxime Ripard ret = ov5640_mod_reg(sensor, OV5640_REG_SC_PLL_CTRL2, 1128aa288248SMaxime Ripard 0xff, mult); 1129aa288248SMaxime Ripard if (ret) 1130aa288248SMaxime Ripard return ret; 1131aa288248SMaxime Ripard 1132aa288248SMaxime Ripard ret = ov5640_mod_reg(sensor, OV5640_REG_SC_PLL_CTRL3, 1133aa288248SMaxime Ripard 0x1f, prediv | ((pll_rdiv - 1) << 4)); 1134aa288248SMaxime Ripard if (ret) 1135aa288248SMaxime Ripard return ret; 1136aa288248SMaxime Ripard 1137aa288248SMaxime Ripard return ov5640_mod_reg(sensor, OV5640_REG_SYS_ROOT_DIVIDER, 0x30, 1138aa288248SMaxime Ripard (ilog2(pclk_div) << 4)); 1139aa288248SMaxime Ripard } 1140aa288248SMaxime Ripard 11417cb013b1SChen-Yu Tsai /* set JPEG framing sizes */ 11427cb013b1SChen-Yu Tsai static int ov5640_set_jpeg_timings(struct ov5640_dev *sensor, 11437cb013b1SChen-Yu Tsai const struct ov5640_mode_info *mode) 11447cb013b1SChen-Yu Tsai { 11457cb013b1SChen-Yu Tsai int ret; 11467cb013b1SChen-Yu Tsai 11472b5c18f9SChen-Yu Tsai /* 11482b5c18f9SChen-Yu Tsai * compression mode 3 timing 11492b5c18f9SChen-Yu Tsai * 11502b5c18f9SChen-Yu Tsai * Data is transmitted with programmable width (VFIFO_HSIZE). 11512b5c18f9SChen-Yu Tsai * No padding done. Last line may have less data. Varying 11522b5c18f9SChen-Yu Tsai * number of lines per frame, depending on amount of data. 11532b5c18f9SChen-Yu Tsai */ 11542b5c18f9SChen-Yu Tsai ret = ov5640_mod_reg(sensor, OV5640_REG_JPG_MODE_SELECT, 0x7, 0x3); 11552b5c18f9SChen-Yu Tsai if (ret < 0) 11562b5c18f9SChen-Yu Tsai return ret; 11572b5c18f9SChen-Yu Tsai 11587cb013b1SChen-Yu Tsai ret = ov5640_write_reg16(sensor, OV5640_REG_VFIFO_HSIZE, mode->hact); 11597cb013b1SChen-Yu Tsai if (ret < 0) 11607cb013b1SChen-Yu Tsai return ret; 11617cb013b1SChen-Yu Tsai 11627cb013b1SChen-Yu Tsai return ov5640_write_reg16(sensor, OV5640_REG_VFIFO_VSIZE, mode->vact); 11637cb013b1SChen-Yu Tsai } 11647cb013b1SChen-Yu Tsai 116519a81c14SSteve Longerbeam /* download ov5640 settings to sensor through i2c */ 1166bad1774eSJacopo Mondi static int ov5640_set_timings(struct ov5640_dev *sensor, 1167bad1774eSJacopo Mondi const struct ov5640_mode_info *mode) 1168bad1774eSJacopo Mondi { 1169bad1774eSJacopo Mondi int ret; 1170bad1774eSJacopo Mondi 11717cb013b1SChen-Yu Tsai if (sensor->fmt.code == MEDIA_BUS_FMT_JPEG_1X8) { 11727cb013b1SChen-Yu Tsai ret = ov5640_set_jpeg_timings(sensor, mode); 11737cb013b1SChen-Yu Tsai if (ret < 0) 11747cb013b1SChen-Yu Tsai return ret; 11757cb013b1SChen-Yu Tsai } 11767cb013b1SChen-Yu Tsai 1177bad1774eSJacopo Mondi ret = ov5640_write_reg16(sensor, OV5640_REG_TIMING_DVPHO, mode->hact); 1178bad1774eSJacopo Mondi if (ret < 0) 1179bad1774eSJacopo Mondi return ret; 1180bad1774eSJacopo Mondi 1181bad1774eSJacopo Mondi ret = ov5640_write_reg16(sensor, OV5640_REG_TIMING_DVPVO, mode->vact); 1182bad1774eSJacopo Mondi if (ret < 0) 1183bad1774eSJacopo Mondi return ret; 1184bad1774eSJacopo Mondi 1185bad1774eSJacopo Mondi ret = ov5640_write_reg16(sensor, OV5640_REG_TIMING_HTS, mode->htot); 1186bad1774eSJacopo Mondi if (ret < 0) 1187bad1774eSJacopo Mondi return ret; 1188bad1774eSJacopo Mondi 1189bad1774eSJacopo Mondi return ov5640_write_reg16(sensor, OV5640_REG_TIMING_VTS, mode->vtot); 1190bad1774eSJacopo Mondi } 1191bad1774eSJacopo Mondi 119219a81c14SSteve Longerbeam static int ov5640_load_regs(struct ov5640_dev *sensor, 119319a81c14SSteve Longerbeam const struct ov5640_mode_info *mode) 119419a81c14SSteve Longerbeam { 119519a81c14SSteve Longerbeam const struct reg_value *regs = mode->reg_data; 119619a81c14SSteve Longerbeam unsigned int i; 119719a81c14SSteve Longerbeam u32 delay_ms; 119819a81c14SSteve Longerbeam u16 reg_addr; 119919a81c14SSteve Longerbeam u8 mask, val; 120019a81c14SSteve Longerbeam int ret = 0; 120119a81c14SSteve Longerbeam 120219a81c14SSteve Longerbeam for (i = 0; i < mode->reg_data_size; ++i, ++regs) { 120319a81c14SSteve Longerbeam delay_ms = regs->delay_ms; 120419a81c14SSteve Longerbeam reg_addr = regs->reg_addr; 120519a81c14SSteve Longerbeam val = regs->val; 120619a81c14SSteve Longerbeam mask = regs->mask; 120719a81c14SSteve Longerbeam 12083b987d70SLad Prabhakar /* remain in power down mode for DVP */ 12093b987d70SLad Prabhakar if (regs->reg_addr == OV5640_REG_SYS_CTRL0 && 12103b987d70SLad Prabhakar val == OV5640_REG_SYS_CTRL0_SW_PWUP && 12113b987d70SLad Prabhakar sensor->ep.bus_type != V4L2_MBUS_CSI2_DPHY) 12123b987d70SLad Prabhakar continue; 12133b987d70SLad Prabhakar 121419a81c14SSteve Longerbeam if (mask) 121519a81c14SSteve Longerbeam ret = ov5640_mod_reg(sensor, reg_addr, mask, val); 121619a81c14SSteve Longerbeam else 121719a81c14SSteve Longerbeam ret = ov5640_write_reg(sensor, reg_addr, val); 121819a81c14SSteve Longerbeam if (ret) 121919a81c14SSteve Longerbeam break; 122019a81c14SSteve Longerbeam 122119a81c14SSteve Longerbeam if (delay_ms) 122219a81c14SSteve Longerbeam usleep_range(1000 * delay_ms, 1000 * delay_ms + 100); 122319a81c14SSteve Longerbeam } 122419a81c14SSteve Longerbeam 1225bad1774eSJacopo Mondi return ov5640_set_timings(sensor, mode); 122619a81c14SSteve Longerbeam } 122719a81c14SSteve Longerbeam 1228dc29a1c1SHugues Fruchet static int ov5640_set_autoexposure(struct ov5640_dev *sensor, bool on) 1229dc29a1c1SHugues Fruchet { 1230dc29a1c1SHugues Fruchet return ov5640_mod_reg(sensor, OV5640_REG_AEC_PK_MANUAL, 1231dc29a1c1SHugues Fruchet BIT(0), on ? 0 : BIT(0)); 1232dc29a1c1SHugues Fruchet } 1233dc29a1c1SHugues Fruchet 123419a81c14SSteve Longerbeam /* read exposure, in number of line periods */ 123519a81c14SSteve Longerbeam static int ov5640_get_exposure(struct ov5640_dev *sensor) 123619a81c14SSteve Longerbeam { 123719a81c14SSteve Longerbeam int exp, ret; 123819a81c14SSteve Longerbeam u8 temp; 123919a81c14SSteve Longerbeam 124019a81c14SSteve Longerbeam ret = ov5640_read_reg(sensor, OV5640_REG_AEC_PK_EXPOSURE_HI, &temp); 124119a81c14SSteve Longerbeam if (ret) 124219a81c14SSteve Longerbeam return ret; 124319a81c14SSteve Longerbeam exp = ((int)temp & 0x0f) << 16; 124419a81c14SSteve Longerbeam ret = ov5640_read_reg(sensor, OV5640_REG_AEC_PK_EXPOSURE_MED, &temp); 124519a81c14SSteve Longerbeam if (ret) 124619a81c14SSteve Longerbeam return ret; 124719a81c14SSteve Longerbeam exp |= ((int)temp << 8); 124819a81c14SSteve Longerbeam ret = ov5640_read_reg(sensor, OV5640_REG_AEC_PK_EXPOSURE_LO, &temp); 124919a81c14SSteve Longerbeam if (ret) 125019a81c14SSteve Longerbeam return ret; 125119a81c14SSteve Longerbeam exp |= (int)temp; 125219a81c14SSteve Longerbeam 125319a81c14SSteve Longerbeam return exp >> 4; 125419a81c14SSteve Longerbeam } 125519a81c14SSteve Longerbeam 125619a81c14SSteve Longerbeam /* write exposure, given number of line periods */ 125719a81c14SSteve Longerbeam static int ov5640_set_exposure(struct ov5640_dev *sensor, u32 exposure) 125819a81c14SSteve Longerbeam { 125919a81c14SSteve Longerbeam int ret; 126019a81c14SSteve Longerbeam 126119a81c14SSteve Longerbeam exposure <<= 4; 126219a81c14SSteve Longerbeam 126319a81c14SSteve Longerbeam ret = ov5640_write_reg(sensor, 126419a81c14SSteve Longerbeam OV5640_REG_AEC_PK_EXPOSURE_LO, 126519a81c14SSteve Longerbeam exposure & 0xff); 126619a81c14SSteve Longerbeam if (ret) 126719a81c14SSteve Longerbeam return ret; 126819a81c14SSteve Longerbeam ret = ov5640_write_reg(sensor, 126919a81c14SSteve Longerbeam OV5640_REG_AEC_PK_EXPOSURE_MED, 127019a81c14SSteve Longerbeam (exposure >> 8) & 0xff); 127119a81c14SSteve Longerbeam if (ret) 127219a81c14SSteve Longerbeam return ret; 127319a81c14SSteve Longerbeam return ov5640_write_reg(sensor, 127419a81c14SSteve Longerbeam OV5640_REG_AEC_PK_EXPOSURE_HI, 127519a81c14SSteve Longerbeam (exposure >> 16) & 0x0f); 127619a81c14SSteve Longerbeam } 127719a81c14SSteve Longerbeam 127819a81c14SSteve Longerbeam static int ov5640_get_gain(struct ov5640_dev *sensor) 127919a81c14SSteve Longerbeam { 128019a81c14SSteve Longerbeam u16 gain; 128119a81c14SSteve Longerbeam int ret; 128219a81c14SSteve Longerbeam 128319a81c14SSteve Longerbeam ret = ov5640_read_reg16(sensor, OV5640_REG_AEC_PK_REAL_GAIN, &gain); 128419a81c14SSteve Longerbeam if (ret) 128519a81c14SSteve Longerbeam return ret; 128619a81c14SSteve Longerbeam 128719a81c14SSteve Longerbeam return gain & 0x3ff; 128819a81c14SSteve Longerbeam } 128919a81c14SSteve Longerbeam 12903cca8ef5SHugues Fruchet static int ov5640_set_gain(struct ov5640_dev *sensor, int gain) 12913cca8ef5SHugues Fruchet { 12923cca8ef5SHugues Fruchet return ov5640_write_reg16(sensor, OV5640_REG_AEC_PK_REAL_GAIN, 12933cca8ef5SHugues Fruchet (u16)gain & 0x3ff); 12943cca8ef5SHugues Fruchet } 12953cca8ef5SHugues Fruchet 12963cca8ef5SHugues Fruchet static int ov5640_set_autogain(struct ov5640_dev *sensor, bool on) 12973cca8ef5SHugues Fruchet { 12983cca8ef5SHugues Fruchet return ov5640_mod_reg(sensor, OV5640_REG_AEC_PK_MANUAL, 12993cca8ef5SHugues Fruchet BIT(1), on ? 0 : BIT(1)); 13003cca8ef5SHugues Fruchet } 13013cca8ef5SHugues Fruchet 1302f22996dbSHugues Fruchet static int ov5640_set_stream_dvp(struct ov5640_dev *sensor, bool on) 1303f22996dbSHugues Fruchet { 13043b987d70SLad Prabhakar return ov5640_write_reg(sensor, OV5640_REG_SYS_CTRL0, on ? 13053b987d70SLad Prabhakar OV5640_REG_SYS_CTRL0_SW_PWUP : 13063b987d70SLad Prabhakar OV5640_REG_SYS_CTRL0_SW_PWDN); 1307f22996dbSHugues Fruchet } 1308f22996dbSHugues Fruchet 1309f22996dbSHugues Fruchet static int ov5640_set_stream_mipi(struct ov5640_dev *sensor, bool on) 131019a81c14SSteve Longerbeam { 131119a81c14SSteve Longerbeam int ret; 131219a81c14SSteve Longerbeam 1313aa4bb8b8SJacopo Mondi /* 1314aa4bb8b8SJacopo Mondi * Enable/disable the MIPI interface 1315aa4bb8b8SJacopo Mondi * 1316aa4bb8b8SJacopo Mondi * 0x300e = on ? 0x45 : 0x40 1317aa4bb8b8SJacopo Mondi * 1318aa4bb8b8SJacopo Mondi * FIXME: the sensor manual (version 2.03) reports 1319aa4bb8b8SJacopo Mondi * [7:5] = 000 : 1 data lane mode 1320aa4bb8b8SJacopo Mondi * [7:5] = 001 : 2 data lanes mode 1321aa4bb8b8SJacopo Mondi * But this settings do not work, while the following ones 1322aa4bb8b8SJacopo Mondi * have been validated for 2 data lanes mode. 1323aa4bb8b8SJacopo Mondi * 1324aa4bb8b8SJacopo Mondi * [7:5] = 010 : 2 data lanes mode 1325aa4bb8b8SJacopo Mondi * [4] = 0 : Power up MIPI HS Tx 1326aa4bb8b8SJacopo Mondi * [3] = 0 : Power up MIPI LS Rx 1327aa4bb8b8SJacopo Mondi * [2] = 1/0 : MIPI interface enable/disable 1328aa4bb8b8SJacopo Mondi * [1:0] = 01/00: FIXME: 'debug' 1329aa4bb8b8SJacopo Mondi */ 1330aa4bb8b8SJacopo Mondi ret = ov5640_write_reg(sensor, OV5640_REG_IO_MIPI_CTRL00, 1331aa4bb8b8SJacopo Mondi on ? 0x45 : 0x40); 133219a81c14SSteve Longerbeam if (ret) 133319a81c14SSteve Longerbeam return ret; 133419a81c14SSteve Longerbeam 133519a81c14SSteve Longerbeam return ov5640_write_reg(sensor, OV5640_REG_FRAME_CTRL01, 133619a81c14SSteve Longerbeam on ? 0x00 : 0x0f); 133719a81c14SSteve Longerbeam } 133819a81c14SSteve Longerbeam 133919a81c14SSteve Longerbeam static int ov5640_get_sysclk(struct ov5640_dev *sensor) 134019a81c14SSteve Longerbeam { 134119a81c14SSteve Longerbeam /* calculate sysclk */ 134219a81c14SSteve Longerbeam u32 xvclk = sensor->xclk_freq / 10000; 134319a81c14SSteve Longerbeam u32 multiplier, prediv, VCO, sysdiv, pll_rdiv; 134419a81c14SSteve Longerbeam u32 sclk_rdiv_map[] = {1, 2, 4, 8}; 134519a81c14SSteve Longerbeam u32 bit_div2x = 1, sclk_rdiv, sysclk; 134619a81c14SSteve Longerbeam u8 temp1, temp2; 134719a81c14SSteve Longerbeam int ret; 134819a81c14SSteve Longerbeam 134919a81c14SSteve Longerbeam ret = ov5640_read_reg(sensor, OV5640_REG_SC_PLL_CTRL0, &temp1); 135019a81c14SSteve Longerbeam if (ret) 135119a81c14SSteve Longerbeam return ret; 135219a81c14SSteve Longerbeam temp2 = temp1 & 0x0f; 135319a81c14SSteve Longerbeam if (temp2 == 8 || temp2 == 10) 135419a81c14SSteve Longerbeam bit_div2x = temp2 / 2; 135519a81c14SSteve Longerbeam 135619a81c14SSteve Longerbeam ret = ov5640_read_reg(sensor, OV5640_REG_SC_PLL_CTRL1, &temp1); 135719a81c14SSteve Longerbeam if (ret) 135819a81c14SSteve Longerbeam return ret; 135919a81c14SSteve Longerbeam sysdiv = temp1 >> 4; 136019a81c14SSteve Longerbeam if (sysdiv == 0) 136119a81c14SSteve Longerbeam sysdiv = 16; 136219a81c14SSteve Longerbeam 136319a81c14SSteve Longerbeam ret = ov5640_read_reg(sensor, OV5640_REG_SC_PLL_CTRL2, &temp1); 136419a81c14SSteve Longerbeam if (ret) 136519a81c14SSteve Longerbeam return ret; 136619a81c14SSteve Longerbeam multiplier = temp1; 136719a81c14SSteve Longerbeam 136819a81c14SSteve Longerbeam ret = ov5640_read_reg(sensor, OV5640_REG_SC_PLL_CTRL3, &temp1); 136919a81c14SSteve Longerbeam if (ret) 137019a81c14SSteve Longerbeam return ret; 137119a81c14SSteve Longerbeam prediv = temp1 & 0x0f; 137219a81c14SSteve Longerbeam pll_rdiv = ((temp1 >> 4) & 0x01) + 1; 137319a81c14SSteve Longerbeam 137419a81c14SSteve Longerbeam ret = ov5640_read_reg(sensor, OV5640_REG_SYS_ROOT_DIVIDER, &temp1); 137519a81c14SSteve Longerbeam if (ret) 137619a81c14SSteve Longerbeam return ret; 137719a81c14SSteve Longerbeam temp2 = temp1 & 0x03; 137819a81c14SSteve Longerbeam sclk_rdiv = sclk_rdiv_map[temp2]; 137919a81c14SSteve Longerbeam 138019a81c14SSteve Longerbeam if (!prediv || !sysdiv || !pll_rdiv || !bit_div2x) 138119a81c14SSteve Longerbeam return -EINVAL; 138219a81c14SSteve Longerbeam 138319a81c14SSteve Longerbeam VCO = xvclk * multiplier / prediv; 138419a81c14SSteve Longerbeam 138519a81c14SSteve Longerbeam sysclk = VCO / sysdiv / pll_rdiv * 2 / bit_div2x / sclk_rdiv; 138619a81c14SSteve Longerbeam 138719a81c14SSteve Longerbeam return sysclk; 138819a81c14SSteve Longerbeam } 138919a81c14SSteve Longerbeam 139019a81c14SSteve Longerbeam static int ov5640_set_night_mode(struct ov5640_dev *sensor) 139119a81c14SSteve Longerbeam { 139219a81c14SSteve Longerbeam /* read HTS from register settings */ 139319a81c14SSteve Longerbeam u8 mode; 139419a81c14SSteve Longerbeam int ret; 139519a81c14SSteve Longerbeam 139619a81c14SSteve Longerbeam ret = ov5640_read_reg(sensor, OV5640_REG_AEC_CTRL00, &mode); 139719a81c14SSteve Longerbeam if (ret) 139819a81c14SSteve Longerbeam return ret; 139919a81c14SSteve Longerbeam mode &= 0xfb; 140019a81c14SSteve Longerbeam return ov5640_write_reg(sensor, OV5640_REG_AEC_CTRL00, mode); 140119a81c14SSteve Longerbeam } 140219a81c14SSteve Longerbeam 140319a81c14SSteve Longerbeam static int ov5640_get_hts(struct ov5640_dev *sensor) 140419a81c14SSteve Longerbeam { 140519a81c14SSteve Longerbeam /* read HTS from register settings */ 140619a81c14SSteve Longerbeam u16 hts; 140719a81c14SSteve Longerbeam int ret; 140819a81c14SSteve Longerbeam 140919a81c14SSteve Longerbeam ret = ov5640_read_reg16(sensor, OV5640_REG_TIMING_HTS, &hts); 141019a81c14SSteve Longerbeam if (ret) 141119a81c14SSteve Longerbeam return ret; 141219a81c14SSteve Longerbeam return hts; 141319a81c14SSteve Longerbeam } 141419a81c14SSteve Longerbeam 141519a81c14SSteve Longerbeam static int ov5640_get_vts(struct ov5640_dev *sensor) 141619a81c14SSteve Longerbeam { 141719a81c14SSteve Longerbeam u16 vts; 141819a81c14SSteve Longerbeam int ret; 141919a81c14SSteve Longerbeam 142019a81c14SSteve Longerbeam ret = ov5640_read_reg16(sensor, OV5640_REG_TIMING_VTS, &vts); 142119a81c14SSteve Longerbeam if (ret) 142219a81c14SSteve Longerbeam return ret; 142319a81c14SSteve Longerbeam return vts; 142419a81c14SSteve Longerbeam } 142519a81c14SSteve Longerbeam 142619a81c14SSteve Longerbeam static int ov5640_set_vts(struct ov5640_dev *sensor, int vts) 142719a81c14SSteve Longerbeam { 142819a81c14SSteve Longerbeam return ov5640_write_reg16(sensor, OV5640_REG_TIMING_VTS, vts); 142919a81c14SSteve Longerbeam } 143019a81c14SSteve Longerbeam 143119a81c14SSteve Longerbeam static int ov5640_get_light_freq(struct ov5640_dev *sensor) 143219a81c14SSteve Longerbeam { 143319a81c14SSteve Longerbeam /* get banding filter value */ 143419a81c14SSteve Longerbeam int ret, light_freq = 0; 143519a81c14SSteve Longerbeam u8 temp, temp1; 143619a81c14SSteve Longerbeam 143719a81c14SSteve Longerbeam ret = ov5640_read_reg(sensor, OV5640_REG_HZ5060_CTRL01, &temp); 143819a81c14SSteve Longerbeam if (ret) 143919a81c14SSteve Longerbeam return ret; 144019a81c14SSteve Longerbeam 144119a81c14SSteve Longerbeam if (temp & 0x80) { 144219a81c14SSteve Longerbeam /* manual */ 144319a81c14SSteve Longerbeam ret = ov5640_read_reg(sensor, OV5640_REG_HZ5060_CTRL00, 144419a81c14SSteve Longerbeam &temp1); 144519a81c14SSteve Longerbeam if (ret) 144619a81c14SSteve Longerbeam return ret; 144719a81c14SSteve Longerbeam if (temp1 & 0x04) { 144819a81c14SSteve Longerbeam /* 50Hz */ 144919a81c14SSteve Longerbeam light_freq = 50; 145019a81c14SSteve Longerbeam } else { 145119a81c14SSteve Longerbeam /* 60Hz */ 145219a81c14SSteve Longerbeam light_freq = 60; 145319a81c14SSteve Longerbeam } 145419a81c14SSteve Longerbeam } else { 145519a81c14SSteve Longerbeam /* auto */ 145619a81c14SSteve Longerbeam ret = ov5640_read_reg(sensor, OV5640_REG_SIGMADELTA_CTRL0C, 145719a81c14SSteve Longerbeam &temp1); 145819a81c14SSteve Longerbeam if (ret) 145919a81c14SSteve Longerbeam return ret; 146019a81c14SSteve Longerbeam 146119a81c14SSteve Longerbeam if (temp1 & 0x01) { 146219a81c14SSteve Longerbeam /* 50Hz */ 146319a81c14SSteve Longerbeam light_freq = 50; 146419a81c14SSteve Longerbeam } else { 146519a81c14SSteve Longerbeam /* 60Hz */ 146619a81c14SSteve Longerbeam } 146719a81c14SSteve Longerbeam } 146819a81c14SSteve Longerbeam 146919a81c14SSteve Longerbeam return light_freq; 147019a81c14SSteve Longerbeam } 147119a81c14SSteve Longerbeam 147219a81c14SSteve Longerbeam static int ov5640_set_bandingfilter(struct ov5640_dev *sensor) 147319a81c14SSteve Longerbeam { 147419a81c14SSteve Longerbeam u32 band_step60, max_band60, band_step50, max_band50, prev_vts; 147519a81c14SSteve Longerbeam int ret; 147619a81c14SSteve Longerbeam 147719a81c14SSteve Longerbeam /* read preview PCLK */ 147819a81c14SSteve Longerbeam ret = ov5640_get_sysclk(sensor); 147919a81c14SSteve Longerbeam if (ret < 0) 148019a81c14SSteve Longerbeam return ret; 148119a81c14SSteve Longerbeam if (ret == 0) 148219a81c14SSteve Longerbeam return -EINVAL; 148319a81c14SSteve Longerbeam sensor->prev_sysclk = ret; 148419a81c14SSteve Longerbeam /* read preview HTS */ 148519a81c14SSteve Longerbeam ret = ov5640_get_hts(sensor); 148619a81c14SSteve Longerbeam if (ret < 0) 148719a81c14SSteve Longerbeam return ret; 148819a81c14SSteve Longerbeam if (ret == 0) 148919a81c14SSteve Longerbeam return -EINVAL; 149019a81c14SSteve Longerbeam sensor->prev_hts = ret; 149119a81c14SSteve Longerbeam 149219a81c14SSteve Longerbeam /* read preview VTS */ 149319a81c14SSteve Longerbeam ret = ov5640_get_vts(sensor); 149419a81c14SSteve Longerbeam if (ret < 0) 149519a81c14SSteve Longerbeam return ret; 149619a81c14SSteve Longerbeam prev_vts = ret; 149719a81c14SSteve Longerbeam 149819a81c14SSteve Longerbeam /* calculate banding filter */ 149919a81c14SSteve Longerbeam /* 60Hz */ 150019a81c14SSteve Longerbeam band_step60 = sensor->prev_sysclk * 100 / sensor->prev_hts * 100 / 120; 150119a81c14SSteve Longerbeam ret = ov5640_write_reg16(sensor, OV5640_REG_AEC_B60_STEP, band_step60); 150219a81c14SSteve Longerbeam if (ret) 150319a81c14SSteve Longerbeam return ret; 150419a81c14SSteve Longerbeam if (!band_step60) 150519a81c14SSteve Longerbeam return -EINVAL; 150619a81c14SSteve Longerbeam max_band60 = (int)((prev_vts - 4) / band_step60); 150719a81c14SSteve Longerbeam ret = ov5640_write_reg(sensor, OV5640_REG_AEC_CTRL0D, max_band60); 150819a81c14SSteve Longerbeam if (ret) 150919a81c14SSteve Longerbeam return ret; 151019a81c14SSteve Longerbeam 151119a81c14SSteve Longerbeam /* 50Hz */ 151219a81c14SSteve Longerbeam band_step50 = sensor->prev_sysclk * 100 / sensor->prev_hts; 151319a81c14SSteve Longerbeam ret = ov5640_write_reg16(sensor, OV5640_REG_AEC_B50_STEP, band_step50); 151419a81c14SSteve Longerbeam if (ret) 151519a81c14SSteve Longerbeam return ret; 151619a81c14SSteve Longerbeam if (!band_step50) 151719a81c14SSteve Longerbeam return -EINVAL; 151819a81c14SSteve Longerbeam max_band50 = (int)((prev_vts - 4) / band_step50); 151919a81c14SSteve Longerbeam return ov5640_write_reg(sensor, OV5640_REG_AEC_CTRL0E, max_band50); 152019a81c14SSteve Longerbeam } 152119a81c14SSteve Longerbeam 152219a81c14SSteve Longerbeam static int ov5640_set_ae_target(struct ov5640_dev *sensor, int target) 152319a81c14SSteve Longerbeam { 152419a81c14SSteve Longerbeam /* stable in high */ 152519a81c14SSteve Longerbeam u32 fast_high, fast_low; 152619a81c14SSteve Longerbeam int ret; 152719a81c14SSteve Longerbeam 152819a81c14SSteve Longerbeam sensor->ae_low = target * 23 / 25; /* 0.92 */ 152919a81c14SSteve Longerbeam sensor->ae_high = target * 27 / 25; /* 1.08 */ 153019a81c14SSteve Longerbeam 153119a81c14SSteve Longerbeam fast_high = sensor->ae_high << 1; 153219a81c14SSteve Longerbeam if (fast_high > 255) 153319a81c14SSteve Longerbeam fast_high = 255; 153419a81c14SSteve Longerbeam 153519a81c14SSteve Longerbeam fast_low = sensor->ae_low >> 1; 153619a81c14SSteve Longerbeam 153719a81c14SSteve Longerbeam ret = ov5640_write_reg(sensor, OV5640_REG_AEC_CTRL0F, sensor->ae_high); 153819a81c14SSteve Longerbeam if (ret) 153919a81c14SSteve Longerbeam return ret; 154019a81c14SSteve Longerbeam ret = ov5640_write_reg(sensor, OV5640_REG_AEC_CTRL10, sensor->ae_low); 154119a81c14SSteve Longerbeam if (ret) 154219a81c14SSteve Longerbeam return ret; 154319a81c14SSteve Longerbeam ret = ov5640_write_reg(sensor, OV5640_REG_AEC_CTRL1B, sensor->ae_high); 154419a81c14SSteve Longerbeam if (ret) 154519a81c14SSteve Longerbeam return ret; 154619a81c14SSteve Longerbeam ret = ov5640_write_reg(sensor, OV5640_REG_AEC_CTRL1E, sensor->ae_low); 154719a81c14SSteve Longerbeam if (ret) 154819a81c14SSteve Longerbeam return ret; 154919a81c14SSteve Longerbeam ret = ov5640_write_reg(sensor, OV5640_REG_AEC_CTRL11, fast_high); 155019a81c14SSteve Longerbeam if (ret) 155119a81c14SSteve Longerbeam return ret; 155219a81c14SSteve Longerbeam return ov5640_write_reg(sensor, OV5640_REG_AEC_CTRL1F, fast_low); 155319a81c14SSteve Longerbeam } 155419a81c14SSteve Longerbeam 1555c2c3f42dSHugues Fruchet static int ov5640_get_binning(struct ov5640_dev *sensor) 155619a81c14SSteve Longerbeam { 155719a81c14SSteve Longerbeam u8 temp; 155819a81c14SSteve Longerbeam int ret; 155919a81c14SSteve Longerbeam 156019a81c14SSteve Longerbeam ret = ov5640_read_reg(sensor, OV5640_REG_TIMING_TC_REG21, &temp); 156119a81c14SSteve Longerbeam if (ret) 156219a81c14SSteve Longerbeam return ret; 1563c2c3f42dSHugues Fruchet 1564c2c3f42dSHugues Fruchet return temp & BIT(0); 156519a81c14SSteve Longerbeam } 156619a81c14SSteve Longerbeam 1567ce85705aSHugues Fruchet static int ov5640_set_binning(struct ov5640_dev *sensor, bool enable) 1568ce85705aSHugues Fruchet { 1569ce85705aSHugues Fruchet int ret; 1570ce85705aSHugues Fruchet 1571ce85705aSHugues Fruchet /* 1572ce85705aSHugues Fruchet * TIMING TC REG21: 1573ce85705aSHugues Fruchet * - [0]: Horizontal binning enable 1574ce85705aSHugues Fruchet */ 1575ce85705aSHugues Fruchet ret = ov5640_mod_reg(sensor, OV5640_REG_TIMING_TC_REG21, 1576ce85705aSHugues Fruchet BIT(0), enable ? BIT(0) : 0); 1577ce85705aSHugues Fruchet if (ret) 1578ce85705aSHugues Fruchet return ret; 1579ce85705aSHugues Fruchet /* 1580ce85705aSHugues Fruchet * TIMING TC REG20: 1581ce85705aSHugues Fruchet * - [0]: Undocumented, but hardcoded init sequences 1582ce85705aSHugues Fruchet * are always setting REG21/REG20 bit 0 to same value... 1583ce85705aSHugues Fruchet */ 1584ce85705aSHugues Fruchet return ov5640_mod_reg(sensor, OV5640_REG_TIMING_TC_REG20, 1585ce85705aSHugues Fruchet BIT(0), enable ? BIT(0) : 0); 1586ce85705aSHugues Fruchet } 1587ce85705aSHugues Fruchet 158819a81c14SSteve Longerbeam static int ov5640_set_virtual_channel(struct ov5640_dev *sensor) 158919a81c14SSteve Longerbeam { 15908670d70aSHugues Fruchet struct i2c_client *client = sensor->i2c_client; 159119a81c14SSteve Longerbeam u8 temp, channel = virtual_channel; 159219a81c14SSteve Longerbeam int ret; 159319a81c14SSteve Longerbeam 15948670d70aSHugues Fruchet if (channel > 3) { 15958670d70aSHugues Fruchet dev_err(&client->dev, 15968670d70aSHugues Fruchet "%s: wrong virtual_channel parameter, expected (0..3), got %d\n", 15978670d70aSHugues Fruchet __func__, channel); 159819a81c14SSteve Longerbeam return -EINVAL; 15998670d70aSHugues Fruchet } 160019a81c14SSteve Longerbeam 160119a81c14SSteve Longerbeam ret = ov5640_read_reg(sensor, OV5640_REG_DEBUG_MODE, &temp); 160219a81c14SSteve Longerbeam if (ret) 160319a81c14SSteve Longerbeam return ret; 160419a81c14SSteve Longerbeam temp &= ~(3 << 6); 160519a81c14SSteve Longerbeam temp |= (channel << 6); 160619a81c14SSteve Longerbeam return ov5640_write_reg(sensor, OV5640_REG_DEBUG_MODE, temp); 160719a81c14SSteve Longerbeam } 160819a81c14SSteve Longerbeam 160919a81c14SSteve Longerbeam static const struct ov5640_mode_info * 161019a81c14SSteve Longerbeam ov5640_find_mode(struct ov5640_dev *sensor, enum ov5640_frame_rate fr, 161119a81c14SSteve Longerbeam int width, int height, bool nearest) 161219a81c14SSteve Longerbeam { 16133c4a7372SHugues Fruchet const struct ov5640_mode_info *mode; 161419a81c14SSteve Longerbeam 1615086c25f8SMaxime Ripard mode = v4l2_find_nearest_size(ov5640_mode_data, 1616086c25f8SMaxime Ripard ARRAY_SIZE(ov5640_mode_data), 16173c4a7372SHugues Fruchet hact, vact, 16183c4a7372SHugues Fruchet width, height); 161919a81c14SSteve Longerbeam 16203c4a7372SHugues Fruchet if (!mode || 16213c4a7372SHugues Fruchet (!nearest && (mode->hact != width || mode->vact != height))) 16223c4a7372SHugues Fruchet return NULL; 162319a81c14SSteve Longerbeam 16245554c80eSAdam Ford /* Check to see if the current mode exceeds the max frame rate */ 16255554c80eSAdam Ford if (ov5640_framerates[fr] > ov5640_framerates[mode->max_fps]) 1626981e4454SBenoit Parrot return NULL; 1627981e4454SBenoit Parrot 162819a81c14SSteve Longerbeam return mode; 162919a81c14SSteve Longerbeam } 163019a81c14SSteve Longerbeam 1631cc196e48SBenoit Parrot static u64 ov5640_calc_pixel_rate(struct ov5640_dev *sensor) 1632cc196e48SBenoit Parrot { 1633cc196e48SBenoit Parrot u64 rate; 1634cc196e48SBenoit Parrot 1635cc196e48SBenoit Parrot rate = sensor->current_mode->vtot * sensor->current_mode->htot; 1636cc196e48SBenoit Parrot rate *= ov5640_framerates[sensor->current_fr]; 1637cc196e48SBenoit Parrot 1638cc196e48SBenoit Parrot return rate; 1639cc196e48SBenoit Parrot } 1640cc196e48SBenoit Parrot 164119a81c14SSteve Longerbeam /* 164219a81c14SSteve Longerbeam * sensor changes between scaling and subsampling, go through 164319a81c14SSteve Longerbeam * exposure calculation 164419a81c14SSteve Longerbeam */ 164541d8d7f5SHugues Fruchet static int ov5640_set_mode_exposure_calc(struct ov5640_dev *sensor, 164641d8d7f5SHugues Fruchet const struct ov5640_mode_info *mode) 164719a81c14SSteve Longerbeam { 164819a81c14SSteve Longerbeam u32 prev_shutter, prev_gain16; 164919a81c14SSteve Longerbeam u32 cap_shutter, cap_gain16; 165019a81c14SSteve Longerbeam u32 cap_sysclk, cap_hts, cap_vts; 165119a81c14SSteve Longerbeam u32 light_freq, cap_bandfilt, cap_maxband; 165219a81c14SSteve Longerbeam u32 cap_gain16_shutter; 165319a81c14SSteve Longerbeam u8 average; 165419a81c14SSteve Longerbeam int ret; 165519a81c14SSteve Longerbeam 165641d8d7f5SHugues Fruchet if (!mode->reg_data) 165719a81c14SSteve Longerbeam return -EINVAL; 165819a81c14SSteve Longerbeam 165919a81c14SSteve Longerbeam /* read preview shutter */ 166019a81c14SSteve Longerbeam ret = ov5640_get_exposure(sensor); 166119a81c14SSteve Longerbeam if (ret < 0) 166219a81c14SSteve Longerbeam return ret; 166319a81c14SSteve Longerbeam prev_shutter = ret; 1664c2c3f42dSHugues Fruchet ret = ov5640_get_binning(sensor); 166519a81c14SSteve Longerbeam if (ret < 0) 166619a81c14SSteve Longerbeam return ret; 166719a81c14SSteve Longerbeam if (ret && mode->id != OV5640_MODE_720P_1280_720 && 166819a81c14SSteve Longerbeam mode->id != OV5640_MODE_1080P_1920_1080) 166919a81c14SSteve Longerbeam prev_shutter *= 2; 167019a81c14SSteve Longerbeam 167119a81c14SSteve Longerbeam /* read preview gain */ 167219a81c14SSteve Longerbeam ret = ov5640_get_gain(sensor); 167319a81c14SSteve Longerbeam if (ret < 0) 167419a81c14SSteve Longerbeam return ret; 167519a81c14SSteve Longerbeam prev_gain16 = ret; 167619a81c14SSteve Longerbeam 167719a81c14SSteve Longerbeam /* get average */ 167819a81c14SSteve Longerbeam ret = ov5640_read_reg(sensor, OV5640_REG_AVG_READOUT, &average); 167919a81c14SSteve Longerbeam if (ret) 168019a81c14SSteve Longerbeam return ret; 168119a81c14SSteve Longerbeam 168219a81c14SSteve Longerbeam /* turn off night mode for capture */ 168319a81c14SSteve Longerbeam ret = ov5640_set_night_mode(sensor); 168419a81c14SSteve Longerbeam if (ret < 0) 168519a81c14SSteve Longerbeam return ret; 168619a81c14SSteve Longerbeam 168719a81c14SSteve Longerbeam /* Write capture setting */ 168819a81c14SSteve Longerbeam ret = ov5640_load_regs(sensor, mode); 168919a81c14SSteve Longerbeam if (ret < 0) 169019a81c14SSteve Longerbeam return ret; 169119a81c14SSteve Longerbeam 169219a81c14SSteve Longerbeam /* read capture VTS */ 169319a81c14SSteve Longerbeam ret = ov5640_get_vts(sensor); 169419a81c14SSteve Longerbeam if (ret < 0) 169519a81c14SSteve Longerbeam return ret; 169619a81c14SSteve Longerbeam cap_vts = ret; 169719a81c14SSteve Longerbeam ret = ov5640_get_hts(sensor); 169819a81c14SSteve Longerbeam if (ret < 0) 169919a81c14SSteve Longerbeam return ret; 170019a81c14SSteve Longerbeam if (ret == 0) 170119a81c14SSteve Longerbeam return -EINVAL; 170219a81c14SSteve Longerbeam cap_hts = ret; 170319a81c14SSteve Longerbeam 170419a81c14SSteve Longerbeam ret = ov5640_get_sysclk(sensor); 170519a81c14SSteve Longerbeam if (ret < 0) 170619a81c14SSteve Longerbeam return ret; 170719a81c14SSteve Longerbeam if (ret == 0) 170819a81c14SSteve Longerbeam return -EINVAL; 170919a81c14SSteve Longerbeam cap_sysclk = ret; 171019a81c14SSteve Longerbeam 171119a81c14SSteve Longerbeam /* calculate capture banding filter */ 171219a81c14SSteve Longerbeam ret = ov5640_get_light_freq(sensor); 171319a81c14SSteve Longerbeam if (ret < 0) 171419a81c14SSteve Longerbeam return ret; 171519a81c14SSteve Longerbeam light_freq = ret; 171619a81c14SSteve Longerbeam 171719a81c14SSteve Longerbeam if (light_freq == 60) { 171819a81c14SSteve Longerbeam /* 60Hz */ 171919a81c14SSteve Longerbeam cap_bandfilt = cap_sysclk * 100 / cap_hts * 100 / 120; 172019a81c14SSteve Longerbeam } else { 172119a81c14SSteve Longerbeam /* 50Hz */ 172219a81c14SSteve Longerbeam cap_bandfilt = cap_sysclk * 100 / cap_hts; 172319a81c14SSteve Longerbeam } 172419a81c14SSteve Longerbeam 172519a81c14SSteve Longerbeam if (!sensor->prev_sysclk) { 172619a81c14SSteve Longerbeam ret = ov5640_get_sysclk(sensor); 172719a81c14SSteve Longerbeam if (ret < 0) 172819a81c14SSteve Longerbeam return ret; 172919a81c14SSteve Longerbeam if (ret == 0) 173019a81c14SSteve Longerbeam return -EINVAL; 173119a81c14SSteve Longerbeam sensor->prev_sysclk = ret; 173219a81c14SSteve Longerbeam } 173319a81c14SSteve Longerbeam 173419a81c14SSteve Longerbeam if (!cap_bandfilt) 173519a81c14SSteve Longerbeam return -EINVAL; 173619a81c14SSteve Longerbeam 173719a81c14SSteve Longerbeam cap_maxband = (int)((cap_vts - 4) / cap_bandfilt); 173819a81c14SSteve Longerbeam 173919a81c14SSteve Longerbeam /* calculate capture shutter/gain16 */ 174019a81c14SSteve Longerbeam if (average > sensor->ae_low && average < sensor->ae_high) { 174119a81c14SSteve Longerbeam /* in stable range */ 174219a81c14SSteve Longerbeam cap_gain16_shutter = 174319a81c14SSteve Longerbeam prev_gain16 * prev_shutter * 174419a81c14SSteve Longerbeam cap_sysclk / sensor->prev_sysclk * 174519a81c14SSteve Longerbeam sensor->prev_hts / cap_hts * 174619a81c14SSteve Longerbeam sensor->ae_target / average; 174719a81c14SSteve Longerbeam } else { 174819a81c14SSteve Longerbeam cap_gain16_shutter = 174919a81c14SSteve Longerbeam prev_gain16 * prev_shutter * 175019a81c14SSteve Longerbeam cap_sysclk / sensor->prev_sysclk * 175119a81c14SSteve Longerbeam sensor->prev_hts / cap_hts; 175219a81c14SSteve Longerbeam } 175319a81c14SSteve Longerbeam 175419a81c14SSteve Longerbeam /* gain to shutter */ 175519a81c14SSteve Longerbeam if (cap_gain16_shutter < (cap_bandfilt * 16)) { 175619a81c14SSteve Longerbeam /* shutter < 1/100 */ 175719a81c14SSteve Longerbeam cap_shutter = cap_gain16_shutter / 16; 175819a81c14SSteve Longerbeam if (cap_shutter < 1) 175919a81c14SSteve Longerbeam cap_shutter = 1; 176019a81c14SSteve Longerbeam 176119a81c14SSteve Longerbeam cap_gain16 = cap_gain16_shutter / cap_shutter; 176219a81c14SSteve Longerbeam if (cap_gain16 < 16) 176319a81c14SSteve Longerbeam cap_gain16 = 16; 176419a81c14SSteve Longerbeam } else { 176519a81c14SSteve Longerbeam if (cap_gain16_shutter > (cap_bandfilt * cap_maxband * 16)) { 176619a81c14SSteve Longerbeam /* exposure reach max */ 176719a81c14SSteve Longerbeam cap_shutter = cap_bandfilt * cap_maxband; 176819a81c14SSteve Longerbeam if (!cap_shutter) 176919a81c14SSteve Longerbeam return -EINVAL; 177019a81c14SSteve Longerbeam 177119a81c14SSteve Longerbeam cap_gain16 = cap_gain16_shutter / cap_shutter; 177219a81c14SSteve Longerbeam } else { 177319a81c14SSteve Longerbeam /* 1/100 < (cap_shutter = n/100) =< max */ 177419a81c14SSteve Longerbeam cap_shutter = 177519a81c14SSteve Longerbeam ((int)(cap_gain16_shutter / 16 / cap_bandfilt)) 177619a81c14SSteve Longerbeam * cap_bandfilt; 177719a81c14SSteve Longerbeam if (!cap_shutter) 177819a81c14SSteve Longerbeam return -EINVAL; 177919a81c14SSteve Longerbeam 178019a81c14SSteve Longerbeam cap_gain16 = cap_gain16_shutter / cap_shutter; 178119a81c14SSteve Longerbeam } 178219a81c14SSteve Longerbeam } 178319a81c14SSteve Longerbeam 178419a81c14SSteve Longerbeam /* set capture gain */ 17853cca8ef5SHugues Fruchet ret = ov5640_set_gain(sensor, cap_gain16); 178619a81c14SSteve Longerbeam if (ret) 178719a81c14SSteve Longerbeam return ret; 178819a81c14SSteve Longerbeam 178919a81c14SSteve Longerbeam /* write capture shutter */ 179019a81c14SSteve Longerbeam if (cap_shutter > (cap_vts - 4)) { 179119a81c14SSteve Longerbeam cap_vts = cap_shutter + 4; 179219a81c14SSteve Longerbeam ret = ov5640_set_vts(sensor, cap_vts); 179319a81c14SSteve Longerbeam if (ret < 0) 179419a81c14SSteve Longerbeam return ret; 179519a81c14SSteve Longerbeam } 179619a81c14SSteve Longerbeam 179719a81c14SSteve Longerbeam /* set exposure */ 17983cca8ef5SHugues Fruchet return ov5640_set_exposure(sensor, cap_shutter); 179919a81c14SSteve Longerbeam } 180019a81c14SSteve Longerbeam 180119a81c14SSteve Longerbeam /* 180219a81c14SSteve Longerbeam * if sensor changes inside scaling or subsampling 180319a81c14SSteve Longerbeam * change mode directly 180419a81c14SSteve Longerbeam */ 180519a81c14SSteve Longerbeam static int ov5640_set_mode_direct(struct ov5640_dev *sensor, 18063cca8ef5SHugues Fruchet const struct ov5640_mode_info *mode) 180719a81c14SSteve Longerbeam { 180841d8d7f5SHugues Fruchet if (!mode->reg_data) 180919a81c14SSteve Longerbeam return -EINVAL; 181019a81c14SSteve Longerbeam 181119a81c14SSteve Longerbeam /* Write capture setting */ 18123cca8ef5SHugues Fruchet return ov5640_load_regs(sensor, mode); 181319a81c14SSteve Longerbeam } 181419a81c14SSteve Longerbeam 1815985cdcb0SHugues Fruchet static int ov5640_set_mode(struct ov5640_dev *sensor) 181619a81c14SSteve Longerbeam { 181719a81c14SSteve Longerbeam const struct ov5640_mode_info *mode = sensor->current_mode; 1818985cdcb0SHugues Fruchet const struct ov5640_mode_info *orig_mode = sensor->last_mode; 181919a81c14SSteve Longerbeam enum ov5640_downsize_mode dn_mode, orig_dn_mode; 18203cca8ef5SHugues Fruchet bool auto_gain = sensor->ctrls.auto_gain->val == 1; 1821dc29a1c1SHugues Fruchet bool auto_exp = sensor->ctrls.auto_exp->val == V4L2_EXPOSURE_AUTO; 1822aa288248SMaxime Ripard unsigned long rate; 182319a81c14SSteve Longerbeam int ret; 182419a81c14SSteve Longerbeam 182519a81c14SSteve Longerbeam dn_mode = mode->dn_mode; 182619a81c14SSteve Longerbeam orig_dn_mode = orig_mode->dn_mode; 182719a81c14SSteve Longerbeam 182819a81c14SSteve Longerbeam /* auto gain and exposure must be turned off when changing modes */ 18293cca8ef5SHugues Fruchet if (auto_gain) { 18303cca8ef5SHugues Fruchet ret = ov5640_set_autogain(sensor, false); 183119a81c14SSteve Longerbeam if (ret) 183219a81c14SSteve Longerbeam return ret; 18333cca8ef5SHugues Fruchet } 1834bf4a4b51SMaxime Ripard 18353cca8ef5SHugues Fruchet if (auto_exp) { 1836dc29a1c1SHugues Fruchet ret = ov5640_set_autoexposure(sensor, false); 183719a81c14SSteve Longerbeam if (ret) 18383cca8ef5SHugues Fruchet goto restore_auto_gain; 18393cca8ef5SHugues Fruchet } 184019a81c14SSteve Longerbeam 1841aa288248SMaxime Ripard /* 1842aa288248SMaxime Ripard * All the formats we support have 16 bits per pixel, seems to require 1843aa288248SMaxime Ripard * the same rate than YUV, so we can just use 16 bpp all the time. 1844aa288248SMaxime Ripard */ 1845cc196e48SBenoit Parrot rate = ov5640_calc_pixel_rate(sensor) * 16; 1846aa288248SMaxime Ripard if (sensor->ep.bus_type == V4L2_MBUS_CSI2_DPHY) { 1847aa288248SMaxime Ripard rate = rate / sensor->ep.bus.mipi_csi2.num_data_lanes; 1848aa288248SMaxime Ripard ret = ov5640_set_mipi_pclk(sensor, rate); 1849aa288248SMaxime Ripard } else { 1850aa288248SMaxime Ripard rate = rate / sensor->ep.bus.parallel.bus_width; 1851aa288248SMaxime Ripard ret = ov5640_set_dvp_pclk(sensor, rate); 1852aa288248SMaxime Ripard } 1853aa288248SMaxime Ripard 1854aa288248SMaxime Ripard if (ret < 0) 1855aa288248SMaxime Ripard return 0; 1856aa288248SMaxime Ripard 185719a81c14SSteve Longerbeam if ((dn_mode == SUBSAMPLING && orig_dn_mode == SCALING) || 185819a81c14SSteve Longerbeam (dn_mode == SCALING && orig_dn_mode == SUBSAMPLING)) { 185919a81c14SSteve Longerbeam /* 186019a81c14SSteve Longerbeam * change between subsampling and scaling 18613cca8ef5SHugues Fruchet * go through exposure calculation 186219a81c14SSteve Longerbeam */ 186319a81c14SSteve Longerbeam ret = ov5640_set_mode_exposure_calc(sensor, mode); 186419a81c14SSteve Longerbeam } else { 186519a81c14SSteve Longerbeam /* 186619a81c14SSteve Longerbeam * change inside subsampling or scaling 186719a81c14SSteve Longerbeam * download firmware directly 186819a81c14SSteve Longerbeam */ 18693cca8ef5SHugues Fruchet ret = ov5640_set_mode_direct(sensor, mode); 187019a81c14SSteve Longerbeam } 187119a81c14SSteve Longerbeam if (ret < 0) 18723cca8ef5SHugues Fruchet goto restore_auto_exp_gain; 18733cca8ef5SHugues Fruchet 18743cca8ef5SHugues Fruchet /* restore auto gain and exposure */ 18753cca8ef5SHugues Fruchet if (auto_gain) 18763cca8ef5SHugues Fruchet ov5640_set_autogain(sensor, true); 18773cca8ef5SHugues Fruchet if (auto_exp) 18783cca8ef5SHugues Fruchet ov5640_set_autoexposure(sensor, true); 187919a81c14SSteve Longerbeam 1880ce85705aSHugues Fruchet ret = ov5640_set_binning(sensor, dn_mode != SCALING); 1881ce85705aSHugues Fruchet if (ret < 0) 1882ce85705aSHugues Fruchet return ret; 188319a81c14SSteve Longerbeam ret = ov5640_set_ae_target(sensor, sensor->ae_target); 188419a81c14SSteve Longerbeam if (ret < 0) 188519a81c14SSteve Longerbeam return ret; 188619a81c14SSteve Longerbeam ret = ov5640_get_light_freq(sensor); 188719a81c14SSteve Longerbeam if (ret < 0) 188819a81c14SSteve Longerbeam return ret; 188919a81c14SSteve Longerbeam ret = ov5640_set_bandingfilter(sensor); 189019a81c14SSteve Longerbeam if (ret < 0) 189119a81c14SSteve Longerbeam return ret; 189219a81c14SSteve Longerbeam ret = ov5640_set_virtual_channel(sensor); 189319a81c14SSteve Longerbeam if (ret < 0) 189419a81c14SSteve Longerbeam return ret; 189519a81c14SSteve Longerbeam 189619a81c14SSteve Longerbeam sensor->pending_mode_change = false; 1897985cdcb0SHugues Fruchet sensor->last_mode = mode; 189819a81c14SSteve Longerbeam 189919a81c14SSteve Longerbeam return 0; 19003cca8ef5SHugues Fruchet 19013cca8ef5SHugues Fruchet restore_auto_exp_gain: 19023cca8ef5SHugues Fruchet if (auto_exp) 19033cca8ef5SHugues Fruchet ov5640_set_autoexposure(sensor, true); 19043cca8ef5SHugues Fruchet restore_auto_gain: 19053cca8ef5SHugues Fruchet if (auto_gain) 19063cca8ef5SHugues Fruchet ov5640_set_autogain(sensor, true); 19073cca8ef5SHugues Fruchet 19083cca8ef5SHugues Fruchet return ret; 190919a81c14SSteve Longerbeam } 191019a81c14SSteve Longerbeam 191119ad26f9SAkinobu Mita static int ov5640_set_framefmt(struct ov5640_dev *sensor, 191219ad26f9SAkinobu Mita struct v4l2_mbus_framefmt *format); 191319ad26f9SAkinobu Mita 191419a81c14SSteve Longerbeam /* restore the last set video mode after chip power-on */ 191519a81c14SSteve Longerbeam static int ov5640_restore_mode(struct ov5640_dev *sensor) 191619a81c14SSteve Longerbeam { 191719a81c14SSteve Longerbeam int ret; 191819a81c14SSteve Longerbeam 191919a81c14SSteve Longerbeam /* first load the initial register values */ 192019a81c14SSteve Longerbeam ret = ov5640_load_regs(sensor, &ov5640_mode_init_data); 192119a81c14SSteve Longerbeam if (ret < 0) 192219a81c14SSteve Longerbeam return ret; 1923985cdcb0SHugues Fruchet sensor->last_mode = &ov5640_mode_init_data; 192419a81c14SSteve Longerbeam 19258f57c2f8SMaxime Ripard ret = ov5640_mod_reg(sensor, OV5640_REG_SYS_ROOT_DIVIDER, 0x3f, 19267851fe7aSMaxime Ripard (ilog2(OV5640_SCLK2X_ROOT_DIV) << 2) | 19277851fe7aSMaxime Ripard ilog2(OV5640_SCLK_ROOT_DIV)); 19288f57c2f8SMaxime Ripard if (ret) 19298f57c2f8SMaxime Ripard return ret; 19308f57c2f8SMaxime Ripard 193119a81c14SSteve Longerbeam /* now restore the last capture mode */ 1932985cdcb0SHugues Fruchet ret = ov5640_set_mode(sensor); 193319ad26f9SAkinobu Mita if (ret < 0) 193419ad26f9SAkinobu Mita return ret; 193519ad26f9SAkinobu Mita 193619ad26f9SAkinobu Mita return ov5640_set_framefmt(sensor, &sensor->fmt); 193719a81c14SSteve Longerbeam } 193819a81c14SSteve Longerbeam 193919a81c14SSteve Longerbeam static void ov5640_power(struct ov5640_dev *sensor, bool enable) 194019a81c14SSteve Longerbeam { 19411fddc5daSHugues Fruchet gpiod_set_value_cansleep(sensor->pwdn_gpio, enable ? 0 : 1); 194219a81c14SSteve Longerbeam } 194319a81c14SSteve Longerbeam 194419a81c14SSteve Longerbeam static void ov5640_reset(struct ov5640_dev *sensor) 194519a81c14SSteve Longerbeam { 194619a81c14SSteve Longerbeam if (!sensor->reset_gpio) 194719a81c14SSteve Longerbeam return; 194819a81c14SSteve Longerbeam 19491fddc5daSHugues Fruchet gpiod_set_value_cansleep(sensor->reset_gpio, 0); 195019a81c14SSteve Longerbeam 195119a81c14SSteve Longerbeam /* camera power cycle */ 195219a81c14SSteve Longerbeam ov5640_power(sensor, false); 195319a81c14SSteve Longerbeam usleep_range(5000, 10000); 195419a81c14SSteve Longerbeam ov5640_power(sensor, true); 195519a81c14SSteve Longerbeam usleep_range(5000, 10000); 195619a81c14SSteve Longerbeam 19571fddc5daSHugues Fruchet gpiod_set_value_cansleep(sensor->reset_gpio, 1); 195819a81c14SSteve Longerbeam usleep_range(1000, 2000); 195919a81c14SSteve Longerbeam 19601fddc5daSHugues Fruchet gpiod_set_value_cansleep(sensor->reset_gpio, 0); 19611d4c41f3SLoic Poulain usleep_range(20000, 25000); 196219a81c14SSteve Longerbeam } 196319a81c14SSteve Longerbeam 19640f7acb52SHugues Fruchet static int ov5640_set_power_on(struct ov5640_dev *sensor) 196519a81c14SSteve Longerbeam { 19660f7acb52SHugues Fruchet struct i2c_client *client = sensor->i2c_client; 19670f7acb52SHugues Fruchet int ret; 196819a81c14SSteve Longerbeam 19690f7acb52SHugues Fruchet ret = clk_prepare_enable(sensor->xclk); 19700f7acb52SHugues Fruchet if (ret) { 19710f7acb52SHugues Fruchet dev_err(&client->dev, "%s: failed to enable clock\n", 19720f7acb52SHugues Fruchet __func__); 19730f7acb52SHugues Fruchet return ret; 19740f7acb52SHugues Fruchet } 197519a81c14SSteve Longerbeam 197619a81c14SSteve Longerbeam ret = regulator_bulk_enable(OV5640_NUM_SUPPLIES, 197719a81c14SSteve Longerbeam sensor->supplies); 19780f7acb52SHugues Fruchet if (ret) { 19790f7acb52SHugues Fruchet dev_err(&client->dev, "%s: failed to enable regulators\n", 19800f7acb52SHugues Fruchet __func__); 198119a81c14SSteve Longerbeam goto xclk_off; 19820f7acb52SHugues Fruchet } 198319a81c14SSteve Longerbeam 198419a81c14SSteve Longerbeam ov5640_reset(sensor); 198519a81c14SSteve Longerbeam ov5640_power(sensor, true); 198619a81c14SSteve Longerbeam 198719a81c14SSteve Longerbeam ret = ov5640_init_slave_id(sensor); 198819a81c14SSteve Longerbeam if (ret) 198919a81c14SSteve Longerbeam goto power_off; 199019a81c14SSteve Longerbeam 19910f7acb52SHugues Fruchet return 0; 19920f7acb52SHugues Fruchet 19930f7acb52SHugues Fruchet power_off: 19940f7acb52SHugues Fruchet ov5640_power(sensor, false); 19950f7acb52SHugues Fruchet regulator_bulk_disable(OV5640_NUM_SUPPLIES, sensor->supplies); 19960f7acb52SHugues Fruchet xclk_off: 19970f7acb52SHugues Fruchet clk_disable_unprepare(sensor->xclk); 19980f7acb52SHugues Fruchet return ret; 19990f7acb52SHugues Fruchet } 20000f7acb52SHugues Fruchet 20010f7acb52SHugues Fruchet static void ov5640_set_power_off(struct ov5640_dev *sensor) 20020f7acb52SHugues Fruchet { 20030f7acb52SHugues Fruchet ov5640_power(sensor, false); 20040f7acb52SHugues Fruchet regulator_bulk_disable(OV5640_NUM_SUPPLIES, sensor->supplies); 20050f7acb52SHugues Fruchet clk_disable_unprepare(sensor->xclk); 20060f7acb52SHugues Fruchet } 20070f7acb52SHugues Fruchet 2008b1751ae6SLad Prabhakar static int ov5640_set_power_mipi(struct ov5640_dev *sensor, bool on) 2009b1751ae6SLad Prabhakar { 2010b1751ae6SLad Prabhakar int ret; 2011b1751ae6SLad Prabhakar 2012b1751ae6SLad Prabhakar if (!on) { 2013b1751ae6SLad Prabhakar /* Reset MIPI bus settings to their default values. */ 2014b1751ae6SLad Prabhakar ov5640_write_reg(sensor, OV5640_REG_IO_MIPI_CTRL00, 0x58); 2015b1751ae6SLad Prabhakar ov5640_write_reg(sensor, OV5640_REG_MIPI_CTRL00, 0x04); 2016b1751ae6SLad Prabhakar ov5640_write_reg(sensor, OV5640_REG_PAD_OUTPUT00, 0x00); 2017b1751ae6SLad Prabhakar return 0; 2018b1751ae6SLad Prabhakar } 2019b1751ae6SLad Prabhakar 2020b1751ae6SLad Prabhakar /* 2021b1751ae6SLad Prabhakar * Power up MIPI HS Tx and LS Rx; 2 data lanes mode 2022b1751ae6SLad Prabhakar * 2023b1751ae6SLad Prabhakar * 0x300e = 0x40 2024b1751ae6SLad Prabhakar * [7:5] = 010 : 2 data lanes mode (see FIXME note in 2025b1751ae6SLad Prabhakar * "ov5640_set_stream_mipi()") 2026b1751ae6SLad Prabhakar * [4] = 0 : Power up MIPI HS Tx 2027b1751ae6SLad Prabhakar * [3] = 0 : Power up MIPI LS Rx 2028b1751ae6SLad Prabhakar * [2] = 0 : MIPI interface disabled 2029b1751ae6SLad Prabhakar */ 2030b1751ae6SLad Prabhakar ret = ov5640_write_reg(sensor, OV5640_REG_IO_MIPI_CTRL00, 0x40); 2031b1751ae6SLad Prabhakar if (ret) 2032b1751ae6SLad Prabhakar return ret; 2033b1751ae6SLad Prabhakar 2034b1751ae6SLad Prabhakar /* 2035b1751ae6SLad Prabhakar * Gate clock and set LP11 in 'no packets mode' (idle) 2036b1751ae6SLad Prabhakar * 2037b1751ae6SLad Prabhakar * 0x4800 = 0x24 2038b1751ae6SLad Prabhakar * [5] = 1 : Gate clock when 'no packets' 2039b1751ae6SLad Prabhakar * [2] = 1 : MIPI bus in LP11 when 'no packets' 2040b1751ae6SLad Prabhakar */ 2041b1751ae6SLad Prabhakar ret = ov5640_write_reg(sensor, OV5640_REG_MIPI_CTRL00, 0x24); 2042b1751ae6SLad Prabhakar if (ret) 2043b1751ae6SLad Prabhakar return ret; 2044b1751ae6SLad Prabhakar 2045b1751ae6SLad Prabhakar /* 2046b1751ae6SLad Prabhakar * Set data lanes and clock in LP11 when 'sleeping' 2047b1751ae6SLad Prabhakar * 2048b1751ae6SLad Prabhakar * 0x3019 = 0x70 2049b1751ae6SLad Prabhakar * [6] = 1 : MIPI data lane 2 in LP11 when 'sleeping' 2050b1751ae6SLad Prabhakar * [5] = 1 : MIPI data lane 1 in LP11 when 'sleeping' 2051b1751ae6SLad Prabhakar * [4] = 1 : MIPI clock lane in LP11 when 'sleeping' 2052b1751ae6SLad Prabhakar */ 2053b1751ae6SLad Prabhakar ret = ov5640_write_reg(sensor, OV5640_REG_PAD_OUTPUT00, 0x70); 2054b1751ae6SLad Prabhakar if (ret) 2055b1751ae6SLad Prabhakar return ret; 2056b1751ae6SLad Prabhakar 2057b1751ae6SLad Prabhakar /* Give lanes some time to coax into LP11 state. */ 2058b1751ae6SLad Prabhakar usleep_range(500, 1000); 2059b1751ae6SLad Prabhakar 2060b1751ae6SLad Prabhakar return 0; 2061b1751ae6SLad Prabhakar } 2062b1751ae6SLad Prabhakar 2063576f5d4bSLad Prabhakar static int ov5640_set_power_dvp(struct ov5640_dev *sensor, bool on) 2064576f5d4bSLad Prabhakar { 2065311a6408SLad Prabhakar unsigned int flags = sensor->ep.bus.parallel.flags; 206668579b32SHugues Fruchet bool bt656 = sensor->ep.bus_type == V4L2_MBUS_BT656; 206768579b32SHugues Fruchet u8 polarities = 0; 2068576f5d4bSLad Prabhakar int ret; 2069576f5d4bSLad Prabhakar 2070576f5d4bSLad Prabhakar if (!on) { 2071576f5d4bSLad Prabhakar /* Reset settings to their default values. */ 207268579b32SHugues Fruchet ov5640_write_reg(sensor, OV5640_REG_CCIR656_CTRL00, 0x00); 2073311a6408SLad Prabhakar ov5640_write_reg(sensor, OV5640_REG_IO_MIPI_CTRL00, 0x58); 2074311a6408SLad Prabhakar ov5640_write_reg(sensor, OV5640_REG_POLARITY_CTRL00, 0x20); 2075576f5d4bSLad Prabhakar ov5640_write_reg(sensor, OV5640_REG_PAD_OUTPUT_ENABLE01, 0x00); 2076576f5d4bSLad Prabhakar ov5640_write_reg(sensor, OV5640_REG_PAD_OUTPUT_ENABLE02, 0x00); 2077576f5d4bSLad Prabhakar return 0; 2078576f5d4bSLad Prabhakar } 2079576f5d4bSLad Prabhakar 2080576f5d4bSLad Prabhakar /* 2081311a6408SLad Prabhakar * Note about parallel port configuration. 2082311a6408SLad Prabhakar * 2083311a6408SLad Prabhakar * When configured in parallel mode, the OV5640 will 2084311a6408SLad Prabhakar * output 10 bits data on DVP data lines [9:0]. 2085311a6408SLad Prabhakar * If only 8 bits data are wanted, the 8 bits data lines 2086311a6408SLad Prabhakar * of the camera interface must be physically connected 2087311a6408SLad Prabhakar * on the DVP data lines [9:2]. 2088311a6408SLad Prabhakar * 2089311a6408SLad Prabhakar * Control lines polarity can be configured through 2090311a6408SLad Prabhakar * devicetree endpoint control lines properties. 2091311a6408SLad Prabhakar * If no endpoint control lines properties are set, 2092311a6408SLad Prabhakar * polarity will be as below: 2093311a6408SLad Prabhakar * - VSYNC: active high 2094311a6408SLad Prabhakar * - HREF: active low 2095311a6408SLad Prabhakar * - PCLK: active low 209668579b32SHugues Fruchet * 209768579b32SHugues Fruchet * VSYNC & HREF are not configured if BT656 bus mode is selected 2098311a6408SLad Prabhakar */ 209968579b32SHugues Fruchet 210068579b32SHugues Fruchet /* 210168579b32SHugues Fruchet * BT656 embedded synchronization configuration 210268579b32SHugues Fruchet * 210368579b32SHugues Fruchet * CCIR656 CTRL00 210468579b32SHugues Fruchet * - [7]: SYNC code selection (0: auto generate sync code, 210568579b32SHugues Fruchet * 1: sync code from regs 0x4732-0x4735) 210668579b32SHugues Fruchet * - [6]: f value in CCIR656 SYNC code when fixed f value 210768579b32SHugues Fruchet * - [5]: Fixed f value 210868579b32SHugues Fruchet * - [4:3]: Blank toggle data options (00: data=1'h040/1'h200, 210968579b32SHugues Fruchet * 01: data from regs 0x4736-0x4738, 10: always keep 0) 211068579b32SHugues Fruchet * - [1]: Clip data disable 211168579b32SHugues Fruchet * - [0]: CCIR656 mode enable 211268579b32SHugues Fruchet * 211368579b32SHugues Fruchet * Default CCIR656 SAV/EAV mode with default codes 211468579b32SHugues Fruchet * SAV=0xff000080 & EAV=0xff00009d is enabled here with settings: 211568579b32SHugues Fruchet * - CCIR656 mode enable 211668579b32SHugues Fruchet * - auto generation of sync codes 211768579b32SHugues Fruchet * - blank toggle data 1'h040/1'h200 211868579b32SHugues Fruchet * - clip reserved data (0x00 & 0xff changed to 0x01 & 0xfe) 211968579b32SHugues Fruchet */ 212068579b32SHugues Fruchet ret = ov5640_write_reg(sensor, OV5640_REG_CCIR656_CTRL00, 212168579b32SHugues Fruchet bt656 ? 0x01 : 0x00); 212268579b32SHugues Fruchet if (ret) 212368579b32SHugues Fruchet return ret; 212468579b32SHugues Fruchet 2125311a6408SLad Prabhakar /* 2126311a6408SLad Prabhakar * configure parallel port control lines polarity 2127311a6408SLad Prabhakar * 2128311a6408SLad Prabhakar * POLARITY CTRL0 2129311a6408SLad Prabhakar * - [5]: PCLK polarity (0: active low, 1: active high) 2130311a6408SLad Prabhakar * - [1]: HREF polarity (0: active low, 1: active high) 2131311a6408SLad Prabhakar * - [0]: VSYNC polarity (mismatch here between 2132311a6408SLad Prabhakar * datasheet and hardware, 0 is active high 2133311a6408SLad Prabhakar * and 1 is active low...) 2134311a6408SLad Prabhakar */ 213568579b32SHugues Fruchet if (!bt656) { 2136311a6408SLad Prabhakar if (flags & V4L2_MBUS_HSYNC_ACTIVE_HIGH) 213768579b32SHugues Fruchet polarities |= BIT(1); 2138311a6408SLad Prabhakar if (flags & V4L2_MBUS_VSYNC_ACTIVE_LOW) 213968579b32SHugues Fruchet polarities |= BIT(0); 214068579b32SHugues Fruchet } 214168579b32SHugues Fruchet if (flags & V4L2_MBUS_PCLK_SAMPLE_RISING) 214268579b32SHugues Fruchet polarities |= BIT(5); 2143311a6408SLad Prabhakar 214468579b32SHugues Fruchet ret = ov5640_write_reg(sensor, OV5640_REG_POLARITY_CTRL00, polarities); 2145311a6408SLad Prabhakar if (ret) 2146311a6408SLad Prabhakar return ret; 2147311a6408SLad Prabhakar 2148311a6408SLad Prabhakar /* 214968579b32SHugues Fruchet * powerdown MIPI TX/RX PHY & enable DVP 2150311a6408SLad Prabhakar * 2151311a6408SLad Prabhakar * MIPI CONTROL 00 215268579b32SHugues Fruchet * [4] = 1 : Power down MIPI HS Tx 215368579b32SHugues Fruchet * [3] = 1 : Power down MIPI LS Rx 215468579b32SHugues Fruchet * [2] = 0 : DVP enable (MIPI disable) 2155311a6408SLad Prabhakar */ 2156311a6408SLad Prabhakar ret = ov5640_write_reg(sensor, OV5640_REG_IO_MIPI_CTRL00, 0x18); 2157311a6408SLad Prabhakar if (ret) 2158311a6408SLad Prabhakar return ret; 2159311a6408SLad Prabhakar 2160311a6408SLad Prabhakar /* 2161576f5d4bSLad Prabhakar * enable VSYNC/HREF/PCLK DVP control lines 2162576f5d4bSLad Prabhakar * & D[9:6] DVP data lines 2163576f5d4bSLad Prabhakar * 2164576f5d4bSLad Prabhakar * PAD OUTPUT ENABLE 01 2165576f5d4bSLad Prabhakar * - 6: VSYNC output enable 2166576f5d4bSLad Prabhakar * - 5: HREF output enable 2167576f5d4bSLad Prabhakar * - 4: PCLK output enable 2168576f5d4bSLad Prabhakar * - [3:0]: D[9:6] output enable 2169576f5d4bSLad Prabhakar */ 21704039b037SLad Prabhakar ret = ov5640_write_reg(sensor, OV5640_REG_PAD_OUTPUT_ENABLE01, 217168579b32SHugues Fruchet bt656 ? 0x1f : 0x7f); 2172576f5d4bSLad Prabhakar if (ret) 2173576f5d4bSLad Prabhakar return ret; 2174576f5d4bSLad Prabhakar 2175576f5d4bSLad Prabhakar /* 2176576f5d4bSLad Prabhakar * enable D[5:0] DVP data lines 2177576f5d4bSLad Prabhakar * 2178576f5d4bSLad Prabhakar * PAD OUTPUT ENABLE 02 2179576f5d4bSLad Prabhakar * - [7:2]: D[5:0] output enable 2180576f5d4bSLad Prabhakar */ 2181576f5d4bSLad Prabhakar return ov5640_write_reg(sensor, OV5640_REG_PAD_OUTPUT_ENABLE02, 0xfc); 2182576f5d4bSLad Prabhakar } 2183576f5d4bSLad Prabhakar 21840f7acb52SHugues Fruchet static int ov5640_set_power(struct ov5640_dev *sensor, bool on) 21850f7acb52SHugues Fruchet { 21860f7acb52SHugues Fruchet int ret = 0; 21870f7acb52SHugues Fruchet 21880f7acb52SHugues Fruchet if (on) { 21890f7acb52SHugues Fruchet ret = ov5640_set_power_on(sensor); 21900f7acb52SHugues Fruchet if (ret) 21910f7acb52SHugues Fruchet return ret; 21920f7acb52SHugues Fruchet 219319a81c14SSteve Longerbeam ret = ov5640_restore_mode(sensor); 219419a81c14SSteve Longerbeam if (ret) 219519a81c14SSteve Longerbeam goto power_off; 2196b1751ae6SLad Prabhakar } 219719a81c14SSteve Longerbeam 2198576f5d4bSLad Prabhakar if (sensor->ep.bus_type == V4L2_MBUS_CSI2_DPHY) 2199b1751ae6SLad Prabhakar ret = ov5640_set_power_mipi(sensor, on); 2200576f5d4bSLad Prabhakar else 2201576f5d4bSLad Prabhakar ret = ov5640_set_power_dvp(sensor, on); 2202b1751ae6SLad Prabhakar if (ret) 2203b1751ae6SLad Prabhakar goto power_off; 2204aa4bb8b8SJacopo Mondi 2205b1751ae6SLad Prabhakar if (!on) 2206aa4bb8b8SJacopo Mondi ov5640_set_power_off(sensor); 220719a81c14SSteve Longerbeam 220819a81c14SSteve Longerbeam return 0; 220919a81c14SSteve Longerbeam 221019a81c14SSteve Longerbeam power_off: 22110f7acb52SHugues Fruchet ov5640_set_power_off(sensor); 221219a81c14SSteve Longerbeam return ret; 221319a81c14SSteve Longerbeam } 221419a81c14SSteve Longerbeam 221519a81c14SSteve Longerbeam /* --------------- Subdev Operations --------------- */ 221619a81c14SSteve Longerbeam 221719a81c14SSteve Longerbeam static int ov5640_s_power(struct v4l2_subdev *sd, int on) 221819a81c14SSteve Longerbeam { 221919a81c14SSteve Longerbeam struct ov5640_dev *sensor = to_ov5640_dev(sd); 222019a81c14SSteve Longerbeam int ret = 0; 222119a81c14SSteve Longerbeam 222219a81c14SSteve Longerbeam mutex_lock(&sensor->lock); 222319a81c14SSteve Longerbeam 222419a81c14SSteve Longerbeam /* 222519a81c14SSteve Longerbeam * If the power count is modified from 0 to != 0 or from != 0 to 0, 222619a81c14SSteve Longerbeam * update the power state. 222719a81c14SSteve Longerbeam */ 222819a81c14SSteve Longerbeam if (sensor->power_count == !on) { 222919a81c14SSteve Longerbeam ret = ov5640_set_power(sensor, !!on); 223019a81c14SSteve Longerbeam if (ret) 223119a81c14SSteve Longerbeam goto out; 223219a81c14SSteve Longerbeam } 223319a81c14SSteve Longerbeam 223419a81c14SSteve Longerbeam /* Update the power count. */ 223519a81c14SSteve Longerbeam sensor->power_count += on ? 1 : -1; 223619a81c14SSteve Longerbeam WARN_ON(sensor->power_count < 0); 223719a81c14SSteve Longerbeam out: 223819a81c14SSteve Longerbeam mutex_unlock(&sensor->lock); 223919a81c14SSteve Longerbeam 224019a81c14SSteve Longerbeam if (on && !ret && sensor->power_count == 1) { 224119a81c14SSteve Longerbeam /* restore controls */ 224219a81c14SSteve Longerbeam ret = v4l2_ctrl_handler_setup(&sensor->ctrls.handler); 224319a81c14SSteve Longerbeam } 224419a81c14SSteve Longerbeam 224519a81c14SSteve Longerbeam return ret; 224619a81c14SSteve Longerbeam } 224719a81c14SSteve Longerbeam 224819a81c14SSteve Longerbeam static int ov5640_try_frame_interval(struct ov5640_dev *sensor, 224919a81c14SSteve Longerbeam struct v4l2_fract *fi, 225019a81c14SSteve Longerbeam u32 width, u32 height) 225119a81c14SSteve Longerbeam { 225219a81c14SSteve Longerbeam const struct ov5640_mode_info *mode; 22536530a5ebSJagan Teki enum ov5640_frame_rate rate = OV5640_15_FPS; 2254f6cc192fSMaxime Ripard int minfps, maxfps, best_fps, fps; 2255f6cc192fSMaxime Ripard int i; 225619a81c14SSteve Longerbeam 225719a81c14SSteve Longerbeam minfps = ov5640_framerates[OV5640_15_FPS]; 2258e823fb16SMaxime Ripard maxfps = ov5640_framerates[OV5640_60_FPS]; 225919a81c14SSteve Longerbeam 226019a81c14SSteve Longerbeam if (fi->numerator == 0) { 226119a81c14SSteve Longerbeam fi->denominator = maxfps; 226219a81c14SSteve Longerbeam fi->numerator = 1; 2263e823fb16SMaxime Ripard rate = OV5640_60_FPS; 2264e823fb16SMaxime Ripard goto find_mode; 226519a81c14SSteve Longerbeam } 226619a81c14SSteve Longerbeam 2267f6cc192fSMaxime Ripard fps = clamp_val(DIV_ROUND_CLOSEST(fi->denominator, fi->numerator), 2268f6cc192fSMaxime Ripard minfps, maxfps); 2269f6cc192fSMaxime Ripard 2270f6cc192fSMaxime Ripard best_fps = minfps; 2271f6cc192fSMaxime Ripard for (i = 0; i < ARRAY_SIZE(ov5640_framerates); i++) { 2272f6cc192fSMaxime Ripard int curr_fps = ov5640_framerates[i]; 2273f6cc192fSMaxime Ripard 2274f6cc192fSMaxime Ripard if (abs(curr_fps - fps) < abs(best_fps - fps)) { 2275f6cc192fSMaxime Ripard best_fps = curr_fps; 2276f6cc192fSMaxime Ripard rate = i; 2277f6cc192fSMaxime Ripard } 2278f6cc192fSMaxime Ripard } 227919a81c14SSteve Longerbeam 228019a81c14SSteve Longerbeam fi->numerator = 1; 2281f6cc192fSMaxime Ripard fi->denominator = best_fps; 228219a81c14SSteve Longerbeam 2283e823fb16SMaxime Ripard find_mode: 22845a3ad937SMaxime Ripard mode = ov5640_find_mode(sensor, rate, width, height, false); 22855a3ad937SMaxime Ripard return mode ? rate : -EINVAL; 228619a81c14SSteve Longerbeam } 228719a81c14SSteve Longerbeam 228819a81c14SSteve Longerbeam static int ov5640_get_fmt(struct v4l2_subdev *sd, 22890d346d2aSTomi Valkeinen struct v4l2_subdev_state *sd_state, 229019a81c14SSteve Longerbeam struct v4l2_subdev_format *format) 229119a81c14SSteve Longerbeam { 229219a81c14SSteve Longerbeam struct ov5640_dev *sensor = to_ov5640_dev(sd); 229319a81c14SSteve Longerbeam struct v4l2_mbus_framefmt *fmt; 229419a81c14SSteve Longerbeam 229519a81c14SSteve Longerbeam if (format->pad != 0) 229619a81c14SSteve Longerbeam return -EINVAL; 229719a81c14SSteve Longerbeam 229819a81c14SSteve Longerbeam mutex_lock(&sensor->lock); 229919a81c14SSteve Longerbeam 230019a81c14SSteve Longerbeam if (format->which == V4L2_SUBDEV_FORMAT_TRY) 23010d346d2aSTomi Valkeinen fmt = v4l2_subdev_get_try_format(&sensor->sd, sd_state, 230219a81c14SSteve Longerbeam format->pad); 230319a81c14SSteve Longerbeam else 230419a81c14SSteve Longerbeam fmt = &sensor->fmt; 230519a81c14SSteve Longerbeam 230619a81c14SSteve Longerbeam format->format = *fmt; 230719a81c14SSteve Longerbeam 230819a81c14SSteve Longerbeam mutex_unlock(&sensor->lock); 230919a81c14SSteve Longerbeam 231019a81c14SSteve Longerbeam return 0; 231119a81c14SSteve Longerbeam } 231219a81c14SSteve Longerbeam 231319a81c14SSteve Longerbeam static int ov5640_try_fmt_internal(struct v4l2_subdev *sd, 231419a81c14SSteve Longerbeam struct v4l2_mbus_framefmt *fmt, 231519a81c14SSteve Longerbeam enum ov5640_frame_rate fr, 231619a81c14SSteve Longerbeam const struct ov5640_mode_info **new_mode) 231719a81c14SSteve Longerbeam { 231819a81c14SSteve Longerbeam struct ov5640_dev *sensor = to_ov5640_dev(sd); 231919a81c14SSteve Longerbeam const struct ov5640_mode_info *mode; 2320e3ee691dSHugues Fruchet int i; 232119a81c14SSteve Longerbeam 232219a81c14SSteve Longerbeam mode = ov5640_find_mode(sensor, fr, fmt->width, fmt->height, true); 232319a81c14SSteve Longerbeam if (!mode) 232419a81c14SSteve Longerbeam return -EINVAL; 2325dba13a0bSMaxime Ripard fmt->width = mode->hact; 2326dba13a0bSMaxime Ripard fmt->height = mode->vact; 232719a81c14SSteve Longerbeam 232819a81c14SSteve Longerbeam if (new_mode) 232919a81c14SSteve Longerbeam *new_mode = mode; 2330e3ee691dSHugues Fruchet 2331e3ee691dSHugues Fruchet for (i = 0; i < ARRAY_SIZE(ov5640_formats); i++) 2332e3ee691dSHugues Fruchet if (ov5640_formats[i].code == fmt->code) 2333e3ee691dSHugues Fruchet break; 2334e3ee691dSHugues Fruchet if (i >= ARRAY_SIZE(ov5640_formats)) 2335e6441fdeSHugues Fruchet i = 0; 2336e6441fdeSHugues Fruchet 2337e6441fdeSHugues Fruchet fmt->code = ov5640_formats[i].code; 2338e6441fdeSHugues Fruchet fmt->colorspace = ov5640_formats[i].colorspace; 2339e6441fdeSHugues Fruchet fmt->ycbcr_enc = V4L2_MAP_YCBCR_ENC_DEFAULT(fmt->colorspace); 2340e6441fdeSHugues Fruchet fmt->quantization = V4L2_QUANTIZATION_FULL_RANGE; 2341e6441fdeSHugues Fruchet fmt->xfer_func = V4L2_MAP_XFER_FUNC_DEFAULT(fmt->colorspace); 2342e3ee691dSHugues Fruchet 234319a81c14SSteve Longerbeam return 0; 234419a81c14SSteve Longerbeam } 234519a81c14SSteve Longerbeam 234619a81c14SSteve Longerbeam static int ov5640_set_fmt(struct v4l2_subdev *sd, 23470d346d2aSTomi Valkeinen struct v4l2_subdev_state *sd_state, 234819a81c14SSteve Longerbeam struct v4l2_subdev_format *format) 234919a81c14SSteve Longerbeam { 235019a81c14SSteve Longerbeam struct ov5640_dev *sensor = to_ov5640_dev(sd); 235119a81c14SSteve Longerbeam const struct ov5640_mode_info *new_mode; 2352e6441fdeSHugues Fruchet struct v4l2_mbus_framefmt *mbus_fmt = &format->format; 235319a81c14SSteve Longerbeam int ret; 235419a81c14SSteve Longerbeam 235519a81c14SSteve Longerbeam if (format->pad != 0) 235619a81c14SSteve Longerbeam return -EINVAL; 235719a81c14SSteve Longerbeam 235819a81c14SSteve Longerbeam mutex_lock(&sensor->lock); 235919a81c14SSteve Longerbeam 236019a81c14SSteve Longerbeam if (sensor->streaming) { 236119a81c14SSteve Longerbeam ret = -EBUSY; 236219a81c14SSteve Longerbeam goto out; 236319a81c14SSteve Longerbeam } 236419a81c14SSteve Longerbeam 2365e6441fdeSHugues Fruchet ret = ov5640_try_fmt_internal(sd, mbus_fmt, 236619a81c14SSteve Longerbeam sensor->current_fr, &new_mode); 236719a81c14SSteve Longerbeam if (ret) 236819a81c14SSteve Longerbeam goto out; 236919a81c14SSteve Longerbeam 2370e738f5ddSMirela Rabulea if (format->which == V4L2_SUBDEV_FORMAT_TRY) { 2371e738f5ddSMirela Rabulea *v4l2_subdev_get_try_format(sd, sd_state, 0) = *mbus_fmt; 2372e738f5ddSMirela Rabulea goto out; 2373e738f5ddSMirela Rabulea } 237419a81c14SSteve Longerbeam 23756949d864SHugues Fruchet if (new_mode != sensor->current_mode) { 237619a81c14SSteve Longerbeam sensor->current_mode = new_mode; 237719a81c14SSteve Longerbeam sensor->pending_mode_change = true; 23786949d864SHugues Fruchet } 237907115449SJacopo Mondi if (mbus_fmt->code != sensor->fmt.code) 2380fb98e29fSHugues Fruchet sensor->pending_fmt_change = true; 238107115449SJacopo Mondi 2382e738f5ddSMirela Rabulea /* update format even if code is unchanged, resolution might change */ 2383e738f5ddSMirela Rabulea sensor->fmt = *mbus_fmt; 2384e738f5ddSMirela Rabulea 2385cc196e48SBenoit Parrot __v4l2_ctrl_s_ctrl_int64(sensor->ctrls.pixel_rate, 2386cc196e48SBenoit Parrot ov5640_calc_pixel_rate(sensor)); 238719a81c14SSteve Longerbeam out: 238819a81c14SSteve Longerbeam mutex_unlock(&sensor->lock); 238919a81c14SSteve Longerbeam return ret; 239019a81c14SSteve Longerbeam } 239119a81c14SSteve Longerbeam 2392e3ee691dSHugues Fruchet static int ov5640_set_framefmt(struct ov5640_dev *sensor, 2393e3ee691dSHugues Fruchet struct v4l2_mbus_framefmt *format) 2394e3ee691dSHugues Fruchet { 2395e3ee691dSHugues Fruchet int ret = 0; 2396d47c4126SHugues Fruchet bool is_jpeg = false; 2397b7ed3abdSLoic Poulain u8 fmt, mux; 2398e3ee691dSHugues Fruchet 2399e3ee691dSHugues Fruchet switch (format->code) { 24001536fbdbSXavier Roumegue case MEDIA_BUS_FMT_UYVY8_1X16: 2401e3ee691dSHugues Fruchet case MEDIA_BUS_FMT_UYVY8_2X8: 2402e3ee691dSHugues Fruchet /* YUV422, UYVY */ 2403b7ed3abdSLoic Poulain fmt = 0x3f; 2404b7ed3abdSLoic Poulain mux = OV5640_FMT_MUX_YUV422; 2405e3ee691dSHugues Fruchet break; 24061536fbdbSXavier Roumegue case MEDIA_BUS_FMT_YUYV8_1X16: 2407e3ee691dSHugues Fruchet case MEDIA_BUS_FMT_YUYV8_2X8: 2408e3ee691dSHugues Fruchet /* YUV422, YUYV */ 2409b7ed3abdSLoic Poulain fmt = 0x30; 2410b7ed3abdSLoic Poulain mux = OV5640_FMT_MUX_YUV422; 2411e3ee691dSHugues Fruchet break; 2412e3ee691dSHugues Fruchet case MEDIA_BUS_FMT_RGB565_2X8_LE: 2413e3ee691dSHugues Fruchet /* RGB565 {g[2:0],b[4:0]},{r[4:0],g[5:3]} */ 2414b7ed3abdSLoic Poulain fmt = 0x6F; 2415b7ed3abdSLoic Poulain mux = OV5640_FMT_MUX_RGB; 2416e3ee691dSHugues Fruchet break; 2417e3ee691dSHugues Fruchet case MEDIA_BUS_FMT_RGB565_2X8_BE: 2418e3ee691dSHugues Fruchet /* RGB565 {r[4:0],g[5:3]},{g[2:0],b[4:0]} */ 2419b7ed3abdSLoic Poulain fmt = 0x61; 2420b7ed3abdSLoic Poulain mux = OV5640_FMT_MUX_RGB; 2421e3ee691dSHugues Fruchet break; 2422d47c4126SHugues Fruchet case MEDIA_BUS_FMT_JPEG_1X8: 2423d47c4126SHugues Fruchet /* YUV422, YUYV */ 2424b7ed3abdSLoic Poulain fmt = 0x30; 2425b7ed3abdSLoic Poulain mux = OV5640_FMT_MUX_YUV422; 2426d47c4126SHugues Fruchet is_jpeg = true; 2427d47c4126SHugues Fruchet break; 2428b7ed3abdSLoic Poulain case MEDIA_BUS_FMT_SBGGR8_1X8: 2429b7ed3abdSLoic Poulain /* Raw, BGBG... / GRGR... */ 2430b7ed3abdSLoic Poulain fmt = 0x00; 2431b7ed3abdSLoic Poulain mux = OV5640_FMT_MUX_RAW_DPC; 2432b7ed3abdSLoic Poulain break; 2433b7ed3abdSLoic Poulain case MEDIA_BUS_FMT_SGBRG8_1X8: 2434b7ed3abdSLoic Poulain /* Raw bayer, GBGB... / RGRG... */ 2435b7ed3abdSLoic Poulain fmt = 0x01; 2436b7ed3abdSLoic Poulain mux = OV5640_FMT_MUX_RAW_DPC; 2437b7ed3abdSLoic Poulain break; 2438b7ed3abdSLoic Poulain case MEDIA_BUS_FMT_SGRBG8_1X8: 2439b7ed3abdSLoic Poulain /* Raw bayer, GRGR... / BGBG... */ 2440b7ed3abdSLoic Poulain fmt = 0x02; 2441b7ed3abdSLoic Poulain mux = OV5640_FMT_MUX_RAW_DPC; 2442b7ed3abdSLoic Poulain break; 2443b7ed3abdSLoic Poulain case MEDIA_BUS_FMT_SRGGB8_1X8: 2444b7ed3abdSLoic Poulain /* Raw bayer, RGRG... / GBGB... */ 2445b7ed3abdSLoic Poulain fmt = 0x03; 2446b7ed3abdSLoic Poulain mux = OV5640_FMT_MUX_RAW_DPC; 2447b7ed3abdSLoic Poulain break; 2448e3ee691dSHugues Fruchet default: 2449e3ee691dSHugues Fruchet return -EINVAL; 2450e3ee691dSHugues Fruchet } 2451e3ee691dSHugues Fruchet 2452e3ee691dSHugues Fruchet /* FORMAT CONTROL00: YUV and RGB formatting */ 2453b7ed3abdSLoic Poulain ret = ov5640_write_reg(sensor, OV5640_REG_FORMAT_CONTROL00, fmt); 2454e3ee691dSHugues Fruchet if (ret) 2455e3ee691dSHugues Fruchet return ret; 2456e3ee691dSHugues Fruchet 2457e3ee691dSHugues Fruchet /* FORMAT MUX CONTROL: ISP YUV or RGB */ 2458b7ed3abdSLoic Poulain ret = ov5640_write_reg(sensor, OV5640_REG_ISP_FORMAT_MUX_CTRL, mux); 2459d47c4126SHugues Fruchet if (ret) 2460d47c4126SHugues Fruchet return ret; 2461d47c4126SHugues Fruchet 2462d47c4126SHugues Fruchet /* 2463d47c4126SHugues Fruchet * TIMING TC REG21: 2464d47c4126SHugues Fruchet * - [5]: JPEG enable 2465d47c4126SHugues Fruchet */ 2466d47c4126SHugues Fruchet ret = ov5640_mod_reg(sensor, OV5640_REG_TIMING_TC_REG21, 2467d47c4126SHugues Fruchet BIT(5), is_jpeg ? BIT(5) : 0); 2468d47c4126SHugues Fruchet if (ret) 2469d47c4126SHugues Fruchet return ret; 2470d47c4126SHugues Fruchet 2471d47c4126SHugues Fruchet /* 2472d47c4126SHugues Fruchet * SYSTEM RESET02: 2473d47c4126SHugues Fruchet * - [4]: Reset JFIFO 2474d47c4126SHugues Fruchet * - [3]: Reset SFIFO 2475d47c4126SHugues Fruchet * - [2]: Reset JPEG 2476d47c4126SHugues Fruchet */ 2477d47c4126SHugues Fruchet ret = ov5640_mod_reg(sensor, OV5640_REG_SYS_RESET02, 2478d47c4126SHugues Fruchet BIT(4) | BIT(3) | BIT(2), 2479d47c4126SHugues Fruchet is_jpeg ? 0 : (BIT(4) | BIT(3) | BIT(2))); 2480d47c4126SHugues Fruchet if (ret) 2481d47c4126SHugues Fruchet return ret; 2482d47c4126SHugues Fruchet 2483d47c4126SHugues Fruchet /* 2484d47c4126SHugues Fruchet * CLOCK ENABLE02: 2485d47c4126SHugues Fruchet * - [5]: Enable JPEG 2x clock 2486d47c4126SHugues Fruchet * - [3]: Enable JPEG clock 2487d47c4126SHugues Fruchet */ 2488d47c4126SHugues Fruchet return ov5640_mod_reg(sensor, OV5640_REG_SYS_CLOCK_ENABLE02, 2489d47c4126SHugues Fruchet BIT(5) | BIT(3), 2490d47c4126SHugues Fruchet is_jpeg ? (BIT(5) | BIT(3)) : 0); 2491e3ee691dSHugues Fruchet } 249219a81c14SSteve Longerbeam 249319a81c14SSteve Longerbeam /* 249419a81c14SSteve Longerbeam * Sensor Controls. 249519a81c14SSteve Longerbeam */ 249619a81c14SSteve Longerbeam 249719a81c14SSteve Longerbeam static int ov5640_set_ctrl_hue(struct ov5640_dev *sensor, int value) 249819a81c14SSteve Longerbeam { 249919a81c14SSteve Longerbeam int ret; 250019a81c14SSteve Longerbeam 250119a81c14SSteve Longerbeam if (value) { 250219a81c14SSteve Longerbeam ret = ov5640_mod_reg(sensor, OV5640_REG_SDE_CTRL0, 250319a81c14SSteve Longerbeam BIT(0), BIT(0)); 250419a81c14SSteve Longerbeam if (ret) 250519a81c14SSteve Longerbeam return ret; 250619a81c14SSteve Longerbeam ret = ov5640_write_reg16(sensor, OV5640_REG_SDE_CTRL1, value); 250719a81c14SSteve Longerbeam } else { 250819a81c14SSteve Longerbeam ret = ov5640_mod_reg(sensor, OV5640_REG_SDE_CTRL0, BIT(0), 0); 250919a81c14SSteve Longerbeam } 251019a81c14SSteve Longerbeam 251119a81c14SSteve Longerbeam return ret; 251219a81c14SSteve Longerbeam } 251319a81c14SSteve Longerbeam 251419a81c14SSteve Longerbeam static int ov5640_set_ctrl_contrast(struct ov5640_dev *sensor, int value) 251519a81c14SSteve Longerbeam { 251619a81c14SSteve Longerbeam int ret; 251719a81c14SSteve Longerbeam 251819a81c14SSteve Longerbeam if (value) { 251919a81c14SSteve Longerbeam ret = ov5640_mod_reg(sensor, OV5640_REG_SDE_CTRL0, 252019a81c14SSteve Longerbeam BIT(2), BIT(2)); 252119a81c14SSteve Longerbeam if (ret) 252219a81c14SSteve Longerbeam return ret; 252319a81c14SSteve Longerbeam ret = ov5640_write_reg(sensor, OV5640_REG_SDE_CTRL5, 252419a81c14SSteve Longerbeam value & 0xff); 252519a81c14SSteve Longerbeam } else { 252619a81c14SSteve Longerbeam ret = ov5640_mod_reg(sensor, OV5640_REG_SDE_CTRL0, BIT(2), 0); 252719a81c14SSteve Longerbeam } 252819a81c14SSteve Longerbeam 252919a81c14SSteve Longerbeam return ret; 253019a81c14SSteve Longerbeam } 253119a81c14SSteve Longerbeam 253219a81c14SSteve Longerbeam static int ov5640_set_ctrl_saturation(struct ov5640_dev *sensor, int value) 253319a81c14SSteve Longerbeam { 253419a81c14SSteve Longerbeam int ret; 253519a81c14SSteve Longerbeam 253619a81c14SSteve Longerbeam if (value) { 253719a81c14SSteve Longerbeam ret = ov5640_mod_reg(sensor, OV5640_REG_SDE_CTRL0, 253819a81c14SSteve Longerbeam BIT(1), BIT(1)); 253919a81c14SSteve Longerbeam if (ret) 254019a81c14SSteve Longerbeam return ret; 254119a81c14SSteve Longerbeam ret = ov5640_write_reg(sensor, OV5640_REG_SDE_CTRL3, 254219a81c14SSteve Longerbeam value & 0xff); 254319a81c14SSteve Longerbeam if (ret) 254419a81c14SSteve Longerbeam return ret; 254519a81c14SSteve Longerbeam ret = ov5640_write_reg(sensor, OV5640_REG_SDE_CTRL4, 254619a81c14SSteve Longerbeam value & 0xff); 254719a81c14SSteve Longerbeam } else { 254819a81c14SSteve Longerbeam ret = ov5640_mod_reg(sensor, OV5640_REG_SDE_CTRL0, BIT(1), 0); 254919a81c14SSteve Longerbeam } 255019a81c14SSteve Longerbeam 255119a81c14SSteve Longerbeam return ret; 255219a81c14SSteve Longerbeam } 255319a81c14SSteve Longerbeam 255419a81c14SSteve Longerbeam static int ov5640_set_ctrl_white_balance(struct ov5640_dev *sensor, int awb) 255519a81c14SSteve Longerbeam { 255619a81c14SSteve Longerbeam int ret; 255719a81c14SSteve Longerbeam 255819a81c14SSteve Longerbeam ret = ov5640_mod_reg(sensor, OV5640_REG_AWB_MANUAL_CTRL, 255919a81c14SSteve Longerbeam BIT(0), awb ? 0 : 1); 256019a81c14SSteve Longerbeam if (ret) 256119a81c14SSteve Longerbeam return ret; 256219a81c14SSteve Longerbeam 256319a81c14SSteve Longerbeam if (!awb) { 256419a81c14SSteve Longerbeam u16 red = (u16)sensor->ctrls.red_balance->val; 256519a81c14SSteve Longerbeam u16 blue = (u16)sensor->ctrls.blue_balance->val; 256619a81c14SSteve Longerbeam 256719a81c14SSteve Longerbeam ret = ov5640_write_reg16(sensor, OV5640_REG_AWB_R_GAIN, red); 256819a81c14SSteve Longerbeam if (ret) 256919a81c14SSteve Longerbeam return ret; 257019a81c14SSteve Longerbeam ret = ov5640_write_reg16(sensor, OV5640_REG_AWB_B_GAIN, blue); 257119a81c14SSteve Longerbeam } 257219a81c14SSteve Longerbeam 257319a81c14SSteve Longerbeam return ret; 257419a81c14SSteve Longerbeam } 257519a81c14SSteve Longerbeam 25763cca8ef5SHugues Fruchet static int ov5640_set_ctrl_exposure(struct ov5640_dev *sensor, 25773cca8ef5SHugues Fruchet enum v4l2_exposure_auto_type auto_exposure) 257819a81c14SSteve Longerbeam { 257919a81c14SSteve Longerbeam struct ov5640_ctrls *ctrls = &sensor->ctrls; 25803cca8ef5SHugues Fruchet bool auto_exp = (auto_exposure == V4L2_EXPOSURE_AUTO); 258119a81c14SSteve Longerbeam int ret = 0; 258219a81c14SSteve Longerbeam 258319a81c14SSteve Longerbeam if (ctrls->auto_exp->is_new) { 25843cca8ef5SHugues Fruchet ret = ov5640_set_autoexposure(sensor, auto_exp); 258519a81c14SSteve Longerbeam if (ret) 258619a81c14SSteve Longerbeam return ret; 258719a81c14SSteve Longerbeam } 258819a81c14SSteve Longerbeam 25893cca8ef5SHugues Fruchet if (!auto_exp && ctrls->exposure->is_new) { 259019a81c14SSteve Longerbeam u16 max_exp; 259119a81c14SSteve Longerbeam 259219a81c14SSteve Longerbeam ret = ov5640_read_reg16(sensor, OV5640_REG_AEC_PK_VTS, 259319a81c14SSteve Longerbeam &max_exp); 259419a81c14SSteve Longerbeam if (ret) 259519a81c14SSteve Longerbeam return ret; 259619a81c14SSteve Longerbeam ret = ov5640_get_vts(sensor); 259719a81c14SSteve Longerbeam if (ret < 0) 259819a81c14SSteve Longerbeam return ret; 259919a81c14SSteve Longerbeam max_exp += ret; 26006146fde3SHugues Fruchet ret = 0; 260119a81c14SSteve Longerbeam 260219a81c14SSteve Longerbeam if (ctrls->exposure->val < max_exp) 260319a81c14SSteve Longerbeam ret = ov5640_set_exposure(sensor, ctrls->exposure->val); 260419a81c14SSteve Longerbeam } 260519a81c14SSteve Longerbeam 260619a81c14SSteve Longerbeam return ret; 260719a81c14SSteve Longerbeam } 260819a81c14SSteve Longerbeam 26093cca8ef5SHugues Fruchet static int ov5640_set_ctrl_gain(struct ov5640_dev *sensor, bool auto_gain) 261019a81c14SSteve Longerbeam { 261119a81c14SSteve Longerbeam struct ov5640_ctrls *ctrls = &sensor->ctrls; 261219a81c14SSteve Longerbeam int ret = 0; 261319a81c14SSteve Longerbeam 261419a81c14SSteve Longerbeam if (ctrls->auto_gain->is_new) { 26153cca8ef5SHugues Fruchet ret = ov5640_set_autogain(sensor, auto_gain); 261619a81c14SSteve Longerbeam if (ret) 261719a81c14SSteve Longerbeam return ret; 261819a81c14SSteve Longerbeam } 261919a81c14SSteve Longerbeam 26203cca8ef5SHugues Fruchet if (!auto_gain && ctrls->gain->is_new) 26213cca8ef5SHugues Fruchet ret = ov5640_set_gain(sensor, ctrls->gain->val); 262219a81c14SSteve Longerbeam 262319a81c14SSteve Longerbeam return ret; 262419a81c14SSteve Longerbeam } 262519a81c14SSteve Longerbeam 26269f6d7bacSChen-Yu Tsai static const char * const test_pattern_menu[] = { 26279f6d7bacSChen-Yu Tsai "Disabled", 26289f6d7bacSChen-Yu Tsai "Color bars", 2629bddc5cdfSChen-Yu Tsai "Color bars w/ rolling bar", 2630bddc5cdfSChen-Yu Tsai "Color squares", 2631bddc5cdfSChen-Yu Tsai "Color squares w/ rolling bar", 26329f6d7bacSChen-Yu Tsai }; 26339f6d7bacSChen-Yu Tsai 2634a0c29afbSChen-Yu Tsai #define OV5640_TEST_ENABLE BIT(7) 2635a0c29afbSChen-Yu Tsai #define OV5640_TEST_ROLLING BIT(6) /* rolling horizontal bar */ 2636a0c29afbSChen-Yu Tsai #define OV5640_TEST_TRANSPARENT BIT(5) 2637a0c29afbSChen-Yu Tsai #define OV5640_TEST_SQUARE_BW BIT(4) /* black & white squares */ 2638a0c29afbSChen-Yu Tsai #define OV5640_TEST_BAR_STANDARD (0 << 2) 2639a0c29afbSChen-Yu Tsai #define OV5640_TEST_BAR_VERT_CHANGE_1 (1 << 2) 2640a0c29afbSChen-Yu Tsai #define OV5640_TEST_BAR_HOR_CHANGE (2 << 2) 2641a0c29afbSChen-Yu Tsai #define OV5640_TEST_BAR_VERT_CHANGE_2 (3 << 2) 2642a0c29afbSChen-Yu Tsai #define OV5640_TEST_BAR (0 << 0) 2643a0c29afbSChen-Yu Tsai #define OV5640_TEST_RANDOM (1 << 0) 2644a0c29afbSChen-Yu Tsai #define OV5640_TEST_SQUARE (2 << 0) 2645a0c29afbSChen-Yu Tsai #define OV5640_TEST_BLACK (3 << 0) 2646a0c29afbSChen-Yu Tsai 2647a0c29afbSChen-Yu Tsai static const u8 test_pattern_val[] = { 2648a0c29afbSChen-Yu Tsai 0, 26492aff1fc3SChen-Yu Tsai OV5640_TEST_ENABLE | OV5640_TEST_BAR_VERT_CHANGE_1 | 2650a0c29afbSChen-Yu Tsai OV5640_TEST_BAR, 2651bddc5cdfSChen-Yu Tsai OV5640_TEST_ENABLE | OV5640_TEST_ROLLING | 2652bddc5cdfSChen-Yu Tsai OV5640_TEST_BAR_VERT_CHANGE_1 | OV5640_TEST_BAR, 2653bddc5cdfSChen-Yu Tsai OV5640_TEST_ENABLE | OV5640_TEST_SQUARE, 2654bddc5cdfSChen-Yu Tsai OV5640_TEST_ENABLE | OV5640_TEST_ROLLING | OV5640_TEST_SQUARE, 2655a0c29afbSChen-Yu Tsai }; 2656a0c29afbSChen-Yu Tsai 265719a81c14SSteve Longerbeam static int ov5640_set_ctrl_test_pattern(struct ov5640_dev *sensor, int value) 265819a81c14SSteve Longerbeam { 2659a0c29afbSChen-Yu Tsai return ov5640_write_reg(sensor, OV5640_REG_PRE_ISP_TEST_SET1, 2660a0c29afbSChen-Yu Tsai test_pattern_val[value]); 266119a81c14SSteve Longerbeam } 266219a81c14SSteve Longerbeam 26631068fecaSMylène Josserand static int ov5640_set_ctrl_light_freq(struct ov5640_dev *sensor, int value) 26641068fecaSMylène Josserand { 26651068fecaSMylène Josserand int ret; 26661068fecaSMylène Josserand 26671068fecaSMylène Josserand ret = ov5640_mod_reg(sensor, OV5640_REG_HZ5060_CTRL01, BIT(7), 26681068fecaSMylène Josserand (value == V4L2_CID_POWER_LINE_FREQUENCY_AUTO) ? 26691068fecaSMylène Josserand 0 : BIT(7)); 26701068fecaSMylène Josserand if (ret) 26711068fecaSMylène Josserand return ret; 26721068fecaSMylène Josserand 26731068fecaSMylène Josserand return ov5640_mod_reg(sensor, OV5640_REG_HZ5060_CTRL00, BIT(2), 26741068fecaSMylène Josserand (value == V4L2_CID_POWER_LINE_FREQUENCY_50HZ) ? 26751068fecaSMylène Josserand BIT(2) : 0); 26761068fecaSMylène Josserand } 26771068fecaSMylène Josserand 2678ce85705aSHugues Fruchet static int ov5640_set_ctrl_hflip(struct ov5640_dev *sensor, int value) 2679ce85705aSHugues Fruchet { 2680ce85705aSHugues Fruchet /* 2681c3f3ba3eSHugues Fruchet * If sensor is mounted upside down, mirror logic is inversed. 2682c3f3ba3eSHugues Fruchet * 2683ce85705aSHugues Fruchet * Sensor is a BSI (Back Side Illuminated) one, 2684ce85705aSHugues Fruchet * so image captured is physically mirrored. 2685ce85705aSHugues Fruchet * This is why mirror logic is inversed in 2686ce85705aSHugues Fruchet * order to cancel this mirror effect. 2687ce85705aSHugues Fruchet */ 2688ce85705aSHugues Fruchet 2689ce85705aSHugues Fruchet /* 2690ce85705aSHugues Fruchet * TIMING TC REG21: 2691ce85705aSHugues Fruchet * - [2]: ISP mirror 2692ce85705aSHugues Fruchet * - [1]: Sensor mirror 2693ce85705aSHugues Fruchet */ 2694ce85705aSHugues Fruchet return ov5640_mod_reg(sensor, OV5640_REG_TIMING_TC_REG21, 2695ce85705aSHugues Fruchet BIT(2) | BIT(1), 2696c3f3ba3eSHugues Fruchet (!(value ^ sensor->upside_down)) ? 2697c3f3ba3eSHugues Fruchet (BIT(2) | BIT(1)) : 0); 2698ce85705aSHugues Fruchet } 2699ce85705aSHugues Fruchet 2700ce85705aSHugues Fruchet static int ov5640_set_ctrl_vflip(struct ov5640_dev *sensor, int value) 2701ce85705aSHugues Fruchet { 2702c3f3ba3eSHugues Fruchet /* If sensor is mounted upside down, flip logic is inversed */ 2703c3f3ba3eSHugues Fruchet 2704ce85705aSHugues Fruchet /* 2705ce85705aSHugues Fruchet * TIMING TC REG20: 2706ce85705aSHugues Fruchet * - [2]: ISP vflip 2707ce85705aSHugues Fruchet * - [1]: Sensor vflip 2708ce85705aSHugues Fruchet */ 2709ce85705aSHugues Fruchet return ov5640_mod_reg(sensor, OV5640_REG_TIMING_TC_REG20, 2710ce85705aSHugues Fruchet BIT(2) | BIT(1), 2711c3f3ba3eSHugues Fruchet (value ^ sensor->upside_down) ? 2712c3f3ba3eSHugues Fruchet (BIT(2) | BIT(1)) : 0); 2713ce85705aSHugues Fruchet } 2714ce85705aSHugues Fruchet 271519a81c14SSteve Longerbeam static int ov5640_g_volatile_ctrl(struct v4l2_ctrl *ctrl) 271619a81c14SSteve Longerbeam { 271719a81c14SSteve Longerbeam struct v4l2_subdev *sd = ctrl_to_sd(ctrl); 271819a81c14SSteve Longerbeam struct ov5640_dev *sensor = to_ov5640_dev(sd); 271919a81c14SSteve Longerbeam int val; 272019a81c14SSteve Longerbeam 272119a81c14SSteve Longerbeam /* v4l2_ctrl_lock() locks our own mutex */ 272219a81c14SSteve Longerbeam 272319a81c14SSteve Longerbeam switch (ctrl->id) { 272419a81c14SSteve Longerbeam case V4L2_CID_AUTOGAIN: 272519a81c14SSteve Longerbeam val = ov5640_get_gain(sensor); 272619a81c14SSteve Longerbeam if (val < 0) 272719a81c14SSteve Longerbeam return val; 272819a81c14SSteve Longerbeam sensor->ctrls.gain->val = val; 272919a81c14SSteve Longerbeam break; 273019a81c14SSteve Longerbeam case V4L2_CID_EXPOSURE_AUTO: 273119a81c14SSteve Longerbeam val = ov5640_get_exposure(sensor); 273219a81c14SSteve Longerbeam if (val < 0) 273319a81c14SSteve Longerbeam return val; 273419a81c14SSteve Longerbeam sensor->ctrls.exposure->val = val; 273519a81c14SSteve Longerbeam break; 273619a81c14SSteve Longerbeam } 273719a81c14SSteve Longerbeam 273819a81c14SSteve Longerbeam return 0; 273919a81c14SSteve Longerbeam } 274019a81c14SSteve Longerbeam 274119a81c14SSteve Longerbeam static int ov5640_s_ctrl(struct v4l2_ctrl *ctrl) 274219a81c14SSteve Longerbeam { 274319a81c14SSteve Longerbeam struct v4l2_subdev *sd = ctrl_to_sd(ctrl); 274419a81c14SSteve Longerbeam struct ov5640_dev *sensor = to_ov5640_dev(sd); 274519a81c14SSteve Longerbeam int ret; 274619a81c14SSteve Longerbeam 274719a81c14SSteve Longerbeam /* v4l2_ctrl_lock() locks our own mutex */ 274819a81c14SSteve Longerbeam 274919a81c14SSteve Longerbeam /* 275019a81c14SSteve Longerbeam * If the device is not powered up by the host driver do 275119a81c14SSteve Longerbeam * not apply any controls to H/W at this time. Instead 275219a81c14SSteve Longerbeam * the controls will be restored right after power-up. 275319a81c14SSteve Longerbeam */ 275419a81c14SSteve Longerbeam if (sensor->power_count == 0) 275519a81c14SSteve Longerbeam return 0; 275619a81c14SSteve Longerbeam 275719a81c14SSteve Longerbeam switch (ctrl->id) { 275819a81c14SSteve Longerbeam case V4L2_CID_AUTOGAIN: 275919a81c14SSteve Longerbeam ret = ov5640_set_ctrl_gain(sensor, ctrl->val); 276019a81c14SSteve Longerbeam break; 276119a81c14SSteve Longerbeam case V4L2_CID_EXPOSURE_AUTO: 276219a81c14SSteve Longerbeam ret = ov5640_set_ctrl_exposure(sensor, ctrl->val); 276319a81c14SSteve Longerbeam break; 276419a81c14SSteve Longerbeam case V4L2_CID_AUTO_WHITE_BALANCE: 276519a81c14SSteve Longerbeam ret = ov5640_set_ctrl_white_balance(sensor, ctrl->val); 276619a81c14SSteve Longerbeam break; 276719a81c14SSteve Longerbeam case V4L2_CID_HUE: 276819a81c14SSteve Longerbeam ret = ov5640_set_ctrl_hue(sensor, ctrl->val); 276919a81c14SSteve Longerbeam break; 277019a81c14SSteve Longerbeam case V4L2_CID_CONTRAST: 277119a81c14SSteve Longerbeam ret = ov5640_set_ctrl_contrast(sensor, ctrl->val); 277219a81c14SSteve Longerbeam break; 277319a81c14SSteve Longerbeam case V4L2_CID_SATURATION: 277419a81c14SSteve Longerbeam ret = ov5640_set_ctrl_saturation(sensor, ctrl->val); 277519a81c14SSteve Longerbeam break; 277619a81c14SSteve Longerbeam case V4L2_CID_TEST_PATTERN: 277719a81c14SSteve Longerbeam ret = ov5640_set_ctrl_test_pattern(sensor, ctrl->val); 277819a81c14SSteve Longerbeam break; 27791068fecaSMylène Josserand case V4L2_CID_POWER_LINE_FREQUENCY: 27801068fecaSMylène Josserand ret = ov5640_set_ctrl_light_freq(sensor, ctrl->val); 27811068fecaSMylène Josserand break; 2782ce85705aSHugues Fruchet case V4L2_CID_HFLIP: 2783ce85705aSHugues Fruchet ret = ov5640_set_ctrl_hflip(sensor, ctrl->val); 2784ce85705aSHugues Fruchet break; 2785ce85705aSHugues Fruchet case V4L2_CID_VFLIP: 2786ce85705aSHugues Fruchet ret = ov5640_set_ctrl_vflip(sensor, ctrl->val); 2787ce85705aSHugues Fruchet break; 278819a81c14SSteve Longerbeam default: 278919a81c14SSteve Longerbeam ret = -EINVAL; 279019a81c14SSteve Longerbeam break; 279119a81c14SSteve Longerbeam } 279219a81c14SSteve Longerbeam 279319a81c14SSteve Longerbeam return ret; 279419a81c14SSteve Longerbeam } 279519a81c14SSteve Longerbeam 279619a81c14SSteve Longerbeam static const struct v4l2_ctrl_ops ov5640_ctrl_ops = { 279719a81c14SSteve Longerbeam .g_volatile_ctrl = ov5640_g_volatile_ctrl, 279819a81c14SSteve Longerbeam .s_ctrl = ov5640_s_ctrl, 279919a81c14SSteve Longerbeam }; 280019a81c14SSteve Longerbeam 280119a81c14SSteve Longerbeam static int ov5640_init_controls(struct ov5640_dev *sensor) 280219a81c14SSteve Longerbeam { 280322845bf2SJacopo Mondi const struct ov5640_mode_info *mode = sensor->current_mode; 280419a81c14SSteve Longerbeam const struct v4l2_ctrl_ops *ops = &ov5640_ctrl_ops; 280519a81c14SSteve Longerbeam struct ov5640_ctrls *ctrls = &sensor->ctrls; 280619a81c14SSteve Longerbeam struct v4l2_ctrl_handler *hdl = &ctrls->handler; 280719a81c14SSteve Longerbeam int ret; 280819a81c14SSteve Longerbeam 280919a81c14SSteve Longerbeam v4l2_ctrl_handler_init(hdl, 32); 281019a81c14SSteve Longerbeam 281119a81c14SSteve Longerbeam /* we can use our own mutex for the ctrl lock */ 281219a81c14SSteve Longerbeam hdl->lock = &sensor->lock; 281319a81c14SSteve Longerbeam 2814cc196e48SBenoit Parrot /* Clock related controls */ 2815cc196e48SBenoit Parrot ctrls->pixel_rate = v4l2_ctrl_new_std(hdl, ops, V4L2_CID_PIXEL_RATE, 281622845bf2SJacopo Mondi ov5640_pixel_rates[OV5640_NUM_PIXEL_RATES - 1], 281722845bf2SJacopo Mondi ov5640_pixel_rates[0], 1, 281822845bf2SJacopo Mondi ov5640_pixel_rates[mode->pixel_rate]); 2819cc196e48SBenoit Parrot 282019a81c14SSteve Longerbeam /* Auto/manual white balance */ 282119a81c14SSteve Longerbeam ctrls->auto_wb = v4l2_ctrl_new_std(hdl, ops, 282219a81c14SSteve Longerbeam V4L2_CID_AUTO_WHITE_BALANCE, 282319a81c14SSteve Longerbeam 0, 1, 1, 1); 282419a81c14SSteve Longerbeam ctrls->blue_balance = v4l2_ctrl_new_std(hdl, ops, V4L2_CID_BLUE_BALANCE, 282519a81c14SSteve Longerbeam 0, 4095, 1, 0); 282619a81c14SSteve Longerbeam ctrls->red_balance = v4l2_ctrl_new_std(hdl, ops, V4L2_CID_RED_BALANCE, 282719a81c14SSteve Longerbeam 0, 4095, 1, 0); 282819a81c14SSteve Longerbeam /* Auto/manual exposure */ 282919a81c14SSteve Longerbeam ctrls->auto_exp = v4l2_ctrl_new_std_menu(hdl, ops, 283019a81c14SSteve Longerbeam V4L2_CID_EXPOSURE_AUTO, 283119a81c14SSteve Longerbeam V4L2_EXPOSURE_MANUAL, 0, 283219a81c14SSteve Longerbeam V4L2_EXPOSURE_AUTO); 283319a81c14SSteve Longerbeam ctrls->exposure = v4l2_ctrl_new_std(hdl, ops, V4L2_CID_EXPOSURE, 283419a81c14SSteve Longerbeam 0, 65535, 1, 0); 283519a81c14SSteve Longerbeam /* Auto/manual gain */ 283619a81c14SSteve Longerbeam ctrls->auto_gain = v4l2_ctrl_new_std(hdl, ops, V4L2_CID_AUTOGAIN, 283719a81c14SSteve Longerbeam 0, 1, 1, 1); 283819a81c14SSteve Longerbeam ctrls->gain = v4l2_ctrl_new_std(hdl, ops, V4L2_CID_GAIN, 283919a81c14SSteve Longerbeam 0, 1023, 1, 0); 284019a81c14SSteve Longerbeam 284119a81c14SSteve Longerbeam ctrls->saturation = v4l2_ctrl_new_std(hdl, ops, V4L2_CID_SATURATION, 284219a81c14SSteve Longerbeam 0, 255, 1, 64); 284319a81c14SSteve Longerbeam ctrls->hue = v4l2_ctrl_new_std(hdl, ops, V4L2_CID_HUE, 284419a81c14SSteve Longerbeam 0, 359, 1, 0); 284519a81c14SSteve Longerbeam ctrls->contrast = v4l2_ctrl_new_std(hdl, ops, V4L2_CID_CONTRAST, 284619a81c14SSteve Longerbeam 0, 255, 1, 0); 284719a81c14SSteve Longerbeam ctrls->test_pattern = 284819a81c14SSteve Longerbeam v4l2_ctrl_new_std_menu_items(hdl, ops, V4L2_CID_TEST_PATTERN, 284919a81c14SSteve Longerbeam ARRAY_SIZE(test_pattern_menu) - 1, 285019a81c14SSteve Longerbeam 0, 0, test_pattern_menu); 2851ce85705aSHugues Fruchet ctrls->hflip = v4l2_ctrl_new_std(hdl, ops, V4L2_CID_HFLIP, 2852ce85705aSHugues Fruchet 0, 1, 1, 0); 2853ce85705aSHugues Fruchet ctrls->vflip = v4l2_ctrl_new_std(hdl, ops, V4L2_CID_VFLIP, 2854ce85705aSHugues Fruchet 0, 1, 1, 0); 285519a81c14SSteve Longerbeam 28561068fecaSMylène Josserand ctrls->light_freq = 28571068fecaSMylène Josserand v4l2_ctrl_new_std_menu(hdl, ops, 28581068fecaSMylène Josserand V4L2_CID_POWER_LINE_FREQUENCY, 28591068fecaSMylène Josserand V4L2_CID_POWER_LINE_FREQUENCY_AUTO, 0, 28601068fecaSMylène Josserand V4L2_CID_POWER_LINE_FREQUENCY_50HZ); 28611068fecaSMylène Josserand 286219a81c14SSteve Longerbeam if (hdl->error) { 286319a81c14SSteve Longerbeam ret = hdl->error; 286419a81c14SSteve Longerbeam goto free_ctrls; 286519a81c14SSteve Longerbeam } 286619a81c14SSteve Longerbeam 2867cc196e48SBenoit Parrot ctrls->pixel_rate->flags |= V4L2_CTRL_FLAG_READ_ONLY; 286819a81c14SSteve Longerbeam ctrls->gain->flags |= V4L2_CTRL_FLAG_VOLATILE; 286919a81c14SSteve Longerbeam ctrls->exposure->flags |= V4L2_CTRL_FLAG_VOLATILE; 287019a81c14SSteve Longerbeam 287119a81c14SSteve Longerbeam v4l2_ctrl_auto_cluster(3, &ctrls->auto_wb, 0, false); 287219a81c14SSteve Longerbeam v4l2_ctrl_auto_cluster(2, &ctrls->auto_gain, 0, true); 287319a81c14SSteve Longerbeam v4l2_ctrl_auto_cluster(2, &ctrls->auto_exp, 1, true); 287419a81c14SSteve Longerbeam 287519a81c14SSteve Longerbeam sensor->sd.ctrl_handler = hdl; 287619a81c14SSteve Longerbeam return 0; 287719a81c14SSteve Longerbeam 287819a81c14SSteve Longerbeam free_ctrls: 287919a81c14SSteve Longerbeam v4l2_ctrl_handler_free(hdl); 288019a81c14SSteve Longerbeam return ret; 288119a81c14SSteve Longerbeam } 288219a81c14SSteve Longerbeam 288319a81c14SSteve Longerbeam static int ov5640_enum_frame_size(struct v4l2_subdev *sd, 28840d346d2aSTomi Valkeinen struct v4l2_subdev_state *sd_state, 288519a81c14SSteve Longerbeam struct v4l2_subdev_frame_size_enum *fse) 288619a81c14SSteve Longerbeam { 288719a81c14SSteve Longerbeam if (fse->pad != 0) 288819a81c14SSteve Longerbeam return -EINVAL; 288919a81c14SSteve Longerbeam if (fse->index >= OV5640_NUM_MODES) 289019a81c14SSteve Longerbeam return -EINVAL; 289119a81c14SSteve Longerbeam 289241d8d7f5SHugues Fruchet fse->min_width = 2893086c25f8SMaxime Ripard ov5640_mode_data[fse->index].hact; 289441d8d7f5SHugues Fruchet fse->max_width = fse->min_width; 289541d8d7f5SHugues Fruchet fse->min_height = 2896086c25f8SMaxime Ripard ov5640_mode_data[fse->index].vact; 289741d8d7f5SHugues Fruchet fse->max_height = fse->min_height; 289819a81c14SSteve Longerbeam 289919a81c14SSteve Longerbeam return 0; 290019a81c14SSteve Longerbeam } 290119a81c14SSteve Longerbeam 290219a81c14SSteve Longerbeam static int ov5640_enum_frame_interval( 290319a81c14SSteve Longerbeam struct v4l2_subdev *sd, 29040d346d2aSTomi Valkeinen struct v4l2_subdev_state *sd_state, 290519a81c14SSteve Longerbeam struct v4l2_subdev_frame_interval_enum *fie) 290619a81c14SSteve Longerbeam { 290719a81c14SSteve Longerbeam struct ov5640_dev *sensor = to_ov5640_dev(sd); 290819a81c14SSteve Longerbeam struct v4l2_fract tpf; 290919a81c14SSteve Longerbeam int ret; 291019a81c14SSteve Longerbeam 291119a81c14SSteve Longerbeam if (fie->pad != 0) 291219a81c14SSteve Longerbeam return -EINVAL; 291319a81c14SSteve Longerbeam if (fie->index >= OV5640_NUM_FRAMERATES) 291419a81c14SSteve Longerbeam return -EINVAL; 291519a81c14SSteve Longerbeam 291619a81c14SSteve Longerbeam tpf.numerator = 1; 291719a81c14SSteve Longerbeam tpf.denominator = ov5640_framerates[fie->index]; 291819a81c14SSteve Longerbeam 291919a81c14SSteve Longerbeam ret = ov5640_try_frame_interval(sensor, &tpf, 292019a81c14SSteve Longerbeam fie->width, fie->height); 292119a81c14SSteve Longerbeam if (ret < 0) 292219a81c14SSteve Longerbeam return -EINVAL; 292319a81c14SSteve Longerbeam 292419a81c14SSteve Longerbeam fie->interval = tpf; 292519a81c14SSteve Longerbeam return 0; 292619a81c14SSteve Longerbeam } 292719a81c14SSteve Longerbeam 292819a81c14SSteve Longerbeam static int ov5640_g_frame_interval(struct v4l2_subdev *sd, 292919a81c14SSteve Longerbeam struct v4l2_subdev_frame_interval *fi) 293019a81c14SSteve Longerbeam { 293119a81c14SSteve Longerbeam struct ov5640_dev *sensor = to_ov5640_dev(sd); 293219a81c14SSteve Longerbeam 293319a81c14SSteve Longerbeam mutex_lock(&sensor->lock); 293419a81c14SSteve Longerbeam fi->interval = sensor->frame_interval; 293519a81c14SSteve Longerbeam mutex_unlock(&sensor->lock); 293619a81c14SSteve Longerbeam 293719a81c14SSteve Longerbeam return 0; 293819a81c14SSteve Longerbeam } 293919a81c14SSteve Longerbeam 294019a81c14SSteve Longerbeam static int ov5640_s_frame_interval(struct v4l2_subdev *sd, 294119a81c14SSteve Longerbeam struct v4l2_subdev_frame_interval *fi) 294219a81c14SSteve Longerbeam { 294319a81c14SSteve Longerbeam struct ov5640_dev *sensor = to_ov5640_dev(sd); 294419a81c14SSteve Longerbeam const struct ov5640_mode_info *mode; 294519a81c14SSteve Longerbeam int frame_rate, ret = 0; 294619a81c14SSteve Longerbeam 294719a81c14SSteve Longerbeam if (fi->pad != 0) 294819a81c14SSteve Longerbeam return -EINVAL; 294919a81c14SSteve Longerbeam 295019a81c14SSteve Longerbeam mutex_lock(&sensor->lock); 295119a81c14SSteve Longerbeam 295219a81c14SSteve Longerbeam if (sensor->streaming) { 295319a81c14SSteve Longerbeam ret = -EBUSY; 295419a81c14SSteve Longerbeam goto out; 295519a81c14SSteve Longerbeam } 295619a81c14SSteve Longerbeam 295719a81c14SSteve Longerbeam mode = sensor->current_mode; 295819a81c14SSteve Longerbeam 295919a81c14SSteve Longerbeam frame_rate = ov5640_try_frame_interval(sensor, &fi->interval, 2960dba13a0bSMaxime Ripard mode->hact, mode->vact); 2961e823fb16SMaxime Ripard if (frame_rate < 0) { 2962e823fb16SMaxime Ripard /* Always return a valid frame interval value */ 2963e823fb16SMaxime Ripard fi->interval = sensor->frame_interval; 2964e823fb16SMaxime Ripard goto out; 2965e823fb16SMaxime Ripard } 296619a81c14SSteve Longerbeam 29673c4a7372SHugues Fruchet mode = ov5640_find_mode(sensor, frame_rate, mode->hact, 2968dba13a0bSMaxime Ripard mode->vact, true); 29693c4a7372SHugues Fruchet if (!mode) { 29703c4a7372SHugues Fruchet ret = -EINVAL; 29713c4a7372SHugues Fruchet goto out; 29723c4a7372SHugues Fruchet } 29733c4a7372SHugues Fruchet 29740929983eSHugues Fruchet if (mode != sensor->current_mode || 29750929983eSHugues Fruchet frame_rate != sensor->current_fr) { 29760929983eSHugues Fruchet sensor->current_fr = frame_rate; 29770929983eSHugues Fruchet sensor->frame_interval = fi->interval; 29783c4a7372SHugues Fruchet sensor->current_mode = mode; 297919a81c14SSteve Longerbeam sensor->pending_mode_change = true; 2980cc196e48SBenoit Parrot 2981cc196e48SBenoit Parrot __v4l2_ctrl_s_ctrl_int64(sensor->ctrls.pixel_rate, 2982cc196e48SBenoit Parrot ov5640_calc_pixel_rate(sensor)); 29836949d864SHugues Fruchet } 298419a81c14SSteve Longerbeam out: 298519a81c14SSteve Longerbeam mutex_unlock(&sensor->lock); 298619a81c14SSteve Longerbeam return ret; 298719a81c14SSteve Longerbeam } 298819a81c14SSteve Longerbeam 298919a81c14SSteve Longerbeam static int ov5640_enum_mbus_code(struct v4l2_subdev *sd, 29900d346d2aSTomi Valkeinen struct v4l2_subdev_state *sd_state, 299119a81c14SSteve Longerbeam struct v4l2_subdev_mbus_code_enum *code) 299219a81c14SSteve Longerbeam { 299319a81c14SSteve Longerbeam if (code->pad != 0) 299419a81c14SSteve Longerbeam return -EINVAL; 2995e3ee691dSHugues Fruchet if (code->index >= ARRAY_SIZE(ov5640_formats)) 299619a81c14SSteve Longerbeam return -EINVAL; 299719a81c14SSteve Longerbeam 2998e3ee691dSHugues Fruchet code->code = ov5640_formats[code->index].code; 299919a81c14SSteve Longerbeam return 0; 300019a81c14SSteve Longerbeam } 300119a81c14SSteve Longerbeam 300219a81c14SSteve Longerbeam static int ov5640_s_stream(struct v4l2_subdev *sd, int enable) 300319a81c14SSteve Longerbeam { 300419a81c14SSteve Longerbeam struct ov5640_dev *sensor = to_ov5640_dev(sd); 300519a81c14SSteve Longerbeam int ret = 0; 300619a81c14SSteve Longerbeam 300719a81c14SSteve Longerbeam mutex_lock(&sensor->lock); 300819a81c14SSteve Longerbeam 300919a81c14SSteve Longerbeam if (sensor->streaming == !enable) { 301019a81c14SSteve Longerbeam if (enable && sensor->pending_mode_change) { 3011985cdcb0SHugues Fruchet ret = ov5640_set_mode(sensor); 301219a81c14SSteve Longerbeam if (ret) 301319a81c14SSteve Longerbeam goto out; 3014fb98e29fSHugues Fruchet } 3015e3ee691dSHugues Fruchet 3016fb98e29fSHugues Fruchet if (enable && sensor->pending_fmt_change) { 3017e3ee691dSHugues Fruchet ret = ov5640_set_framefmt(sensor, &sensor->fmt); 3018e3ee691dSHugues Fruchet if (ret) 3019e3ee691dSHugues Fruchet goto out; 3020fb98e29fSHugues Fruchet sensor->pending_fmt_change = false; 302119a81c14SSteve Longerbeam } 302219a81c14SSteve Longerbeam 30232d95e7edSSakari Ailus if (sensor->ep.bus_type == V4L2_MBUS_CSI2_DPHY) 3024f22996dbSHugues Fruchet ret = ov5640_set_stream_mipi(sensor, enable); 3025f22996dbSHugues Fruchet else 3026f22996dbSHugues Fruchet ret = ov5640_set_stream_dvp(sensor, enable); 3027f22996dbSHugues Fruchet 302819a81c14SSteve Longerbeam if (!ret) 302919a81c14SSteve Longerbeam sensor->streaming = enable; 303019a81c14SSteve Longerbeam } 303119a81c14SSteve Longerbeam out: 303219a81c14SSteve Longerbeam mutex_unlock(&sensor->lock); 303319a81c14SSteve Longerbeam return ret; 303419a81c14SSteve Longerbeam } 303519a81c14SSteve Longerbeam 303619a81c14SSteve Longerbeam static const struct v4l2_subdev_core_ops ov5640_core_ops = { 303719a81c14SSteve Longerbeam .s_power = ov5640_s_power, 30382d18fbc5SAkinobu Mita .log_status = v4l2_ctrl_subdev_log_status, 30392d18fbc5SAkinobu Mita .subscribe_event = v4l2_ctrl_subdev_subscribe_event, 30402d18fbc5SAkinobu Mita .unsubscribe_event = v4l2_event_subdev_unsubscribe, 304119a81c14SSteve Longerbeam }; 304219a81c14SSteve Longerbeam 304319a81c14SSteve Longerbeam static const struct v4l2_subdev_video_ops ov5640_video_ops = { 304419a81c14SSteve Longerbeam .g_frame_interval = ov5640_g_frame_interval, 304519a81c14SSteve Longerbeam .s_frame_interval = ov5640_s_frame_interval, 304619a81c14SSteve Longerbeam .s_stream = ov5640_s_stream, 304719a81c14SSteve Longerbeam }; 304819a81c14SSteve Longerbeam 304919a81c14SSteve Longerbeam static const struct v4l2_subdev_pad_ops ov5640_pad_ops = { 305019a81c14SSteve Longerbeam .enum_mbus_code = ov5640_enum_mbus_code, 305119a81c14SSteve Longerbeam .get_fmt = ov5640_get_fmt, 305219a81c14SSteve Longerbeam .set_fmt = ov5640_set_fmt, 305319a81c14SSteve Longerbeam .enum_frame_size = ov5640_enum_frame_size, 305419a81c14SSteve Longerbeam .enum_frame_interval = ov5640_enum_frame_interval, 305519a81c14SSteve Longerbeam }; 305619a81c14SSteve Longerbeam 305719a81c14SSteve Longerbeam static const struct v4l2_subdev_ops ov5640_subdev_ops = { 305819a81c14SSteve Longerbeam .core = &ov5640_core_ops, 305919a81c14SSteve Longerbeam .video = &ov5640_video_ops, 306019a81c14SSteve Longerbeam .pad = &ov5640_pad_ops, 306119a81c14SSteve Longerbeam }; 306219a81c14SSteve Longerbeam 306319a81c14SSteve Longerbeam static int ov5640_get_regulators(struct ov5640_dev *sensor) 306419a81c14SSteve Longerbeam { 306519a81c14SSteve Longerbeam int i; 306619a81c14SSteve Longerbeam 306719a81c14SSteve Longerbeam for (i = 0; i < OV5640_NUM_SUPPLIES; i++) 306819a81c14SSteve Longerbeam sensor->supplies[i].supply = ov5640_supply_name[i]; 306919a81c14SSteve Longerbeam 307019a81c14SSteve Longerbeam return devm_regulator_bulk_get(&sensor->i2c_client->dev, 307119a81c14SSteve Longerbeam OV5640_NUM_SUPPLIES, 307219a81c14SSteve Longerbeam sensor->supplies); 307319a81c14SSteve Longerbeam } 307419a81c14SSteve Longerbeam 30750f7acb52SHugues Fruchet static int ov5640_check_chip_id(struct ov5640_dev *sensor) 30760f7acb52SHugues Fruchet { 30770f7acb52SHugues Fruchet struct i2c_client *client = sensor->i2c_client; 30780f7acb52SHugues Fruchet int ret = 0; 30790f7acb52SHugues Fruchet u16 chip_id; 30800f7acb52SHugues Fruchet 30810f7acb52SHugues Fruchet ret = ov5640_set_power_on(sensor); 30820f7acb52SHugues Fruchet if (ret) 30830f7acb52SHugues Fruchet return ret; 30840f7acb52SHugues Fruchet 30850f7acb52SHugues Fruchet ret = ov5640_read_reg16(sensor, OV5640_REG_CHIP_ID, &chip_id); 30860f7acb52SHugues Fruchet if (ret) { 30870f7acb52SHugues Fruchet dev_err(&client->dev, "%s: failed to read chip identifier\n", 30880f7acb52SHugues Fruchet __func__); 30890f7acb52SHugues Fruchet goto power_off; 30900f7acb52SHugues Fruchet } 30910f7acb52SHugues Fruchet 30920f7acb52SHugues Fruchet if (chip_id != 0x5640) { 30930f7acb52SHugues Fruchet dev_err(&client->dev, "%s: wrong chip identifier, expected 0x5640, got 0x%x\n", 30940f7acb52SHugues Fruchet __func__, chip_id); 30950f7acb52SHugues Fruchet ret = -ENXIO; 30960f7acb52SHugues Fruchet } 30970f7acb52SHugues Fruchet 30980f7acb52SHugues Fruchet power_off: 30990f7acb52SHugues Fruchet ov5640_set_power_off(sensor); 31000f7acb52SHugues Fruchet return ret; 31010f7acb52SHugues Fruchet } 31020f7acb52SHugues Fruchet 3103e6714993SKieran Bingham static int ov5640_probe(struct i2c_client *client) 310419a81c14SSteve Longerbeam { 310519a81c14SSteve Longerbeam struct device *dev = &client->dev; 310619a81c14SSteve Longerbeam struct fwnode_handle *endpoint; 310719a81c14SSteve Longerbeam struct ov5640_dev *sensor; 3108e6441fdeSHugues Fruchet struct v4l2_mbus_framefmt *fmt; 3109c3f3ba3eSHugues Fruchet u32 rotation; 311019a81c14SSteve Longerbeam int ret; 311119a81c14SSteve Longerbeam 311219a81c14SSteve Longerbeam sensor = devm_kzalloc(dev, sizeof(*sensor), GFP_KERNEL); 311319a81c14SSteve Longerbeam if (!sensor) 311419a81c14SSteve Longerbeam return -ENOMEM; 311519a81c14SSteve Longerbeam 311619a81c14SSteve Longerbeam sensor->i2c_client = client; 3117fb98e29fSHugues Fruchet 3118fb98e29fSHugues Fruchet /* 3119fb98e29fSHugues Fruchet * default init sequence initialize sensor to 3120fb98e29fSHugues Fruchet * YUV422 UYVY VGA@30fps 3121fb98e29fSHugues Fruchet */ 3122e6441fdeSHugues Fruchet fmt = &sensor->fmt; 3123fb98e29fSHugues Fruchet fmt->code = MEDIA_BUS_FMT_UYVY8_2X8; 3124fb98e29fSHugues Fruchet fmt->colorspace = V4L2_COLORSPACE_SRGB; 3125e6441fdeSHugues Fruchet fmt->ycbcr_enc = V4L2_MAP_YCBCR_ENC_DEFAULT(fmt->colorspace); 3126e6441fdeSHugues Fruchet fmt->quantization = V4L2_QUANTIZATION_FULL_RANGE; 3127e6441fdeSHugues Fruchet fmt->xfer_func = V4L2_MAP_XFER_FUNC_DEFAULT(fmt->colorspace); 3128e6441fdeSHugues Fruchet fmt->width = 640; 3129e6441fdeSHugues Fruchet fmt->height = 480; 3130e6441fdeSHugues Fruchet fmt->field = V4L2_FIELD_NONE; 313119a81c14SSteve Longerbeam sensor->frame_interval.numerator = 1; 313219a81c14SSteve Longerbeam sensor->frame_interval.denominator = ov5640_framerates[OV5640_30_FPS]; 313319a81c14SSteve Longerbeam sensor->current_fr = OV5640_30_FPS; 313419a81c14SSteve Longerbeam sensor->current_mode = 3135086c25f8SMaxime Ripard &ov5640_mode_data[OV5640_MODE_VGA_640_480]; 3136985cdcb0SHugues Fruchet sensor->last_mode = sensor->current_mode; 313719a81c14SSteve Longerbeam 313819a81c14SSteve Longerbeam sensor->ae_target = 52; 313919a81c14SSteve Longerbeam 3140c3f3ba3eSHugues Fruchet /* optional indication of physical rotation of sensor */ 3141c3f3ba3eSHugues Fruchet ret = fwnode_property_read_u32(dev_fwnode(&client->dev), "rotation", 3142c3f3ba3eSHugues Fruchet &rotation); 3143c3f3ba3eSHugues Fruchet if (!ret) { 3144c3f3ba3eSHugues Fruchet switch (rotation) { 3145c3f3ba3eSHugues Fruchet case 180: 3146c3f3ba3eSHugues Fruchet sensor->upside_down = true; 31471771e9fbSGustavo A. R. Silva fallthrough; 3148c3f3ba3eSHugues Fruchet case 0: 3149c3f3ba3eSHugues Fruchet break; 3150c3f3ba3eSHugues Fruchet default: 3151c3f3ba3eSHugues Fruchet dev_warn(dev, "%u degrees rotation is not supported, ignoring...\n", 3152c3f3ba3eSHugues Fruchet rotation); 3153c3f3ba3eSHugues Fruchet } 3154c3f3ba3eSHugues Fruchet } 3155c3f3ba3eSHugues Fruchet 3156ce96bcf5SSakari Ailus endpoint = fwnode_graph_get_next_endpoint(dev_fwnode(&client->dev), 3157ce96bcf5SSakari Ailus NULL); 315819a81c14SSteve Longerbeam if (!endpoint) { 315919a81c14SSteve Longerbeam dev_err(dev, "endpoint node not found\n"); 316019a81c14SSteve Longerbeam return -EINVAL; 316119a81c14SSteve Longerbeam } 316219a81c14SSteve Longerbeam 316319a81c14SSteve Longerbeam ret = v4l2_fwnode_endpoint_parse(endpoint, &sensor->ep); 316419a81c14SSteve Longerbeam fwnode_handle_put(endpoint); 316519a81c14SSteve Longerbeam if (ret) { 316619a81c14SSteve Longerbeam dev_err(dev, "Could not parse endpoint\n"); 316719a81c14SSteve Longerbeam return ret; 316819a81c14SSteve Longerbeam } 316919a81c14SSteve Longerbeam 31702c61e48dSLad Prabhakar if (sensor->ep.bus_type != V4L2_MBUS_PARALLEL && 31712c61e48dSLad Prabhakar sensor->ep.bus_type != V4L2_MBUS_CSI2_DPHY && 31722c61e48dSLad Prabhakar sensor->ep.bus_type != V4L2_MBUS_BT656) { 31732c61e48dSLad Prabhakar dev_err(dev, "Unsupported bus type %d\n", sensor->ep.bus_type); 31742c61e48dSLad Prabhakar return -EINVAL; 31752c61e48dSLad Prabhakar } 31762c61e48dSLad Prabhakar 317719a81c14SSteve Longerbeam /* get system clock (xclk) */ 317819a81c14SSteve Longerbeam sensor->xclk = devm_clk_get(dev, "xclk"); 317919a81c14SSteve Longerbeam if (IS_ERR(sensor->xclk)) { 318019a81c14SSteve Longerbeam dev_err(dev, "failed to get xclk\n"); 318119a81c14SSteve Longerbeam return PTR_ERR(sensor->xclk); 318219a81c14SSteve Longerbeam } 318319a81c14SSteve Longerbeam 318419a81c14SSteve Longerbeam sensor->xclk_freq = clk_get_rate(sensor->xclk); 318519a81c14SSteve Longerbeam if (sensor->xclk_freq < OV5640_XCLK_MIN || 318619a81c14SSteve Longerbeam sensor->xclk_freq > OV5640_XCLK_MAX) { 318719a81c14SSteve Longerbeam dev_err(dev, "xclk frequency out of range: %d Hz\n", 318819a81c14SSteve Longerbeam sensor->xclk_freq); 318919a81c14SSteve Longerbeam return -EINVAL; 319019a81c14SSteve Longerbeam } 319119a81c14SSteve Longerbeam 319219a81c14SSteve Longerbeam /* request optional power down pin */ 319319a81c14SSteve Longerbeam sensor->pwdn_gpio = devm_gpiod_get_optional(dev, "powerdown", 319419a81c14SSteve Longerbeam GPIOD_OUT_HIGH); 31958791a102SFabio Estevam if (IS_ERR(sensor->pwdn_gpio)) 31968791a102SFabio Estevam return PTR_ERR(sensor->pwdn_gpio); 31978791a102SFabio Estevam 319819a81c14SSteve Longerbeam /* request optional reset pin */ 319919a81c14SSteve Longerbeam sensor->reset_gpio = devm_gpiod_get_optional(dev, "reset", 320019a81c14SSteve Longerbeam GPIOD_OUT_HIGH); 32018791a102SFabio Estevam if (IS_ERR(sensor->reset_gpio)) 32028791a102SFabio Estevam return PTR_ERR(sensor->reset_gpio); 320319a81c14SSteve Longerbeam 320419a81c14SSteve Longerbeam v4l2_i2c_subdev_init(&sensor->sd, client, &ov5640_subdev_ops); 320519a81c14SSteve Longerbeam 32062d18fbc5SAkinobu Mita sensor->sd.flags |= V4L2_SUBDEV_FL_HAS_DEVNODE | 32072d18fbc5SAkinobu Mita V4L2_SUBDEV_FL_HAS_EVENTS; 320819a81c14SSteve Longerbeam sensor->pad.flags = MEDIA_PAD_FL_SOURCE; 320919a81c14SSteve Longerbeam sensor->sd.entity.function = MEDIA_ENT_F_CAM_SENSOR; 321019a81c14SSteve Longerbeam ret = media_entity_pads_init(&sensor->sd.entity, 1, &sensor->pad); 321119a81c14SSteve Longerbeam if (ret) 321219a81c14SSteve Longerbeam return ret; 321319a81c14SSteve Longerbeam 321419a81c14SSteve Longerbeam ret = ov5640_get_regulators(sensor); 321519a81c14SSteve Longerbeam if (ret) 321619a81c14SSteve Longerbeam return ret; 321719a81c14SSteve Longerbeam 321819a81c14SSteve Longerbeam mutex_init(&sensor->lock); 321919a81c14SSteve Longerbeam 32200f7acb52SHugues Fruchet ret = ov5640_check_chip_id(sensor); 32210f7acb52SHugues Fruchet if (ret) 32220f7acb52SHugues Fruchet goto entity_cleanup; 32230f7acb52SHugues Fruchet 322419a81c14SSteve Longerbeam ret = ov5640_init_controls(sensor); 322519a81c14SSteve Longerbeam if (ret) 322619a81c14SSteve Longerbeam goto entity_cleanup; 322719a81c14SSteve Longerbeam 322815786f7bSSakari Ailus ret = v4l2_async_register_subdev_sensor(&sensor->sd); 322919a81c14SSteve Longerbeam if (ret) 323019a81c14SSteve Longerbeam goto free_ctrls; 323119a81c14SSteve Longerbeam 323219a81c14SSteve Longerbeam return 0; 323319a81c14SSteve Longerbeam 323419a81c14SSteve Longerbeam free_ctrls: 323519a81c14SSteve Longerbeam v4l2_ctrl_handler_free(&sensor->ctrls.handler); 323619a81c14SSteve Longerbeam entity_cleanup: 323719a81c14SSteve Longerbeam media_entity_cleanup(&sensor->sd.entity); 3238bfcba38dSTomi Valkeinen mutex_destroy(&sensor->lock); 323919a81c14SSteve Longerbeam return ret; 324019a81c14SSteve Longerbeam } 324119a81c14SSteve Longerbeam 324219a81c14SSteve Longerbeam static int ov5640_remove(struct i2c_client *client) 324319a81c14SSteve Longerbeam { 324419a81c14SSteve Longerbeam struct v4l2_subdev *sd = i2c_get_clientdata(client); 324519a81c14SSteve Longerbeam struct ov5640_dev *sensor = to_ov5640_dev(sd); 324619a81c14SSteve Longerbeam 324719a81c14SSteve Longerbeam v4l2_async_unregister_subdev(&sensor->sd); 324819a81c14SSteve Longerbeam media_entity_cleanup(&sensor->sd.entity); 324919a81c14SSteve Longerbeam v4l2_ctrl_handler_free(&sensor->ctrls.handler); 3250bfcba38dSTomi Valkeinen mutex_destroy(&sensor->lock); 325119a81c14SSteve Longerbeam 325219a81c14SSteve Longerbeam return 0; 325319a81c14SSteve Longerbeam } 325419a81c14SSteve Longerbeam 325519a81c14SSteve Longerbeam static const struct i2c_device_id ov5640_id[] = { 325619a81c14SSteve Longerbeam {"ov5640", 0}, 325719a81c14SSteve Longerbeam {}, 325819a81c14SSteve Longerbeam }; 325919a81c14SSteve Longerbeam MODULE_DEVICE_TABLE(i2c, ov5640_id); 326019a81c14SSteve Longerbeam 326119a81c14SSteve Longerbeam static const struct of_device_id ov5640_dt_ids[] = { 326219a81c14SSteve Longerbeam { .compatible = "ovti,ov5640" }, 326319a81c14SSteve Longerbeam { /* sentinel */ } 326419a81c14SSteve Longerbeam }; 326519a81c14SSteve Longerbeam MODULE_DEVICE_TABLE(of, ov5640_dt_ids); 326619a81c14SSteve Longerbeam 326719a81c14SSteve Longerbeam static struct i2c_driver ov5640_i2c_driver = { 326819a81c14SSteve Longerbeam .driver = { 326919a81c14SSteve Longerbeam .name = "ov5640", 327019a81c14SSteve Longerbeam .of_match_table = ov5640_dt_ids, 327119a81c14SSteve Longerbeam }, 327219a81c14SSteve Longerbeam .id_table = ov5640_id, 3273e6714993SKieran Bingham .probe_new = ov5640_probe, 327419a81c14SSteve Longerbeam .remove = ov5640_remove, 327519a81c14SSteve Longerbeam }; 327619a81c14SSteve Longerbeam 327719a81c14SSteve Longerbeam module_i2c_driver(ov5640_i2c_driver); 327819a81c14SSteve Longerbeam 327919a81c14SSteve Longerbeam MODULE_DESCRIPTION("OV5640 MIPI Camera Subdev Driver"); 328019a81c14SSteve Longerbeam MODULE_LICENSE("GPL"); 3281