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 121*22845bf2SJacopo Mondi enum ov5640_pixel_rate_id { 122*22845bf2SJacopo Mondi OV5640_PIXEL_RATE_168M, 123*22845bf2SJacopo Mondi OV5640_PIXEL_RATE_148M, 124*22845bf2SJacopo Mondi OV5640_PIXEL_RATE_124M, 125*22845bf2SJacopo Mondi OV5640_PIXEL_RATE_96M, 126*22845bf2SJacopo Mondi OV5640_PIXEL_RATE_48M, 127*22845bf2SJacopo Mondi OV5640_NUM_PIXEL_RATES, 128*22845bf2SJacopo Mondi }; 129*22845bf2SJacopo Mondi 130*22845bf2SJacopo Mondi /* 131*22845bf2SJacopo Mondi * The chip manual suggests 24/48/96/192 MHz pixel clocks. 132*22845bf2SJacopo Mondi * 133*22845bf2SJacopo Mondi * 192MHz exceeds the sysclk limits; use 168MHz as maximum pixel rate for 134*22845bf2SJacopo Mondi * full resolution mode @15 FPS. 135*22845bf2SJacopo Mondi */ 136*22845bf2SJacopo Mondi static const u32 ov5640_pixel_rates[] = { 137*22845bf2SJacopo Mondi [OV5640_PIXEL_RATE_168M] = 168000000, 138*22845bf2SJacopo Mondi [OV5640_PIXEL_RATE_148M] = 148000000, 139*22845bf2SJacopo Mondi [OV5640_PIXEL_RATE_124M] = 124000000, 140*22845bf2SJacopo Mondi [OV5640_PIXEL_RATE_96M] = 96000000, 141*22845bf2SJacopo Mondi [OV5640_PIXEL_RATE_48M] = 48000000, 142*22845bf2SJacopo Mondi }; 143*22845bf2SJacopo 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; 215*22845bf2SJacopo 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 = { 592*22845bf2SJacopo Mondi 0, SUBSAMPLING, 593*22845bf2SJacopo Mondi OV5640_PIXEL_RATE_96M, 594*22845bf2SJacopo 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] = { 60232ea5e05SHugues Fruchet {OV5640_MODE_QQVGA_160_120, SUBSAMPLING, 603*22845bf2SJacopo Mondi OV5640_PIXEL_RATE_48M, 60432ea5e05SHugues Fruchet 160, 1896, 120, 984, 60532ea5e05SHugues Fruchet ov5640_setting_QQVGA_160_120, 60632ea5e05SHugues Fruchet ARRAY_SIZE(ov5640_setting_QQVGA_160_120), 60732ea5e05SHugues Fruchet OV5640_30_FPS}, 608476dec01SMaxime Ripard {OV5640_MODE_QCIF_176_144, SUBSAMPLING, 609*22845bf2SJacopo Mondi OV5640_PIXEL_RATE_48M, 610476dec01SMaxime Ripard 176, 1896, 144, 984, 611086c25f8SMaxime Ripard ov5640_setting_QCIF_176_144, 6125554c80eSAdam Ford ARRAY_SIZE(ov5640_setting_QCIF_176_144), 6135554c80eSAdam Ford OV5640_30_FPS}, 614476dec01SMaxime Ripard {OV5640_MODE_QVGA_320_240, SUBSAMPLING, 615*22845bf2SJacopo Mondi OV5640_PIXEL_RATE_48M, 616476dec01SMaxime Ripard 320, 1896, 240, 984, 617086c25f8SMaxime Ripard ov5640_setting_QVGA_320_240, 6185554c80eSAdam Ford ARRAY_SIZE(ov5640_setting_QVGA_320_240), 6195554c80eSAdam Ford OV5640_30_FPS}, 620476dec01SMaxime Ripard {OV5640_MODE_VGA_640_480, SUBSAMPLING, 621*22845bf2SJacopo Mondi OV5640_PIXEL_RATE_48M, 622476dec01SMaxime Ripard 640, 1896, 480, 1080, 623086c25f8SMaxime Ripard ov5640_setting_VGA_640_480, 6245554c80eSAdam Ford ARRAY_SIZE(ov5640_setting_VGA_640_480), 6255554c80eSAdam Ford OV5640_60_FPS}, 626476dec01SMaxime Ripard {OV5640_MODE_NTSC_720_480, SUBSAMPLING, 627*22845bf2SJacopo Mondi OV5640_PIXEL_RATE_96M, 628476dec01SMaxime Ripard 720, 1896, 480, 984, 629086c25f8SMaxime Ripard ov5640_setting_NTSC_720_480, 6305554c80eSAdam Ford ARRAY_SIZE(ov5640_setting_NTSC_720_480), 6315554c80eSAdam Ford OV5640_30_FPS}, 632476dec01SMaxime Ripard {OV5640_MODE_PAL_720_576, SUBSAMPLING, 633*22845bf2SJacopo Mondi OV5640_PIXEL_RATE_96M, 634476dec01SMaxime Ripard 720, 1896, 576, 984, 635086c25f8SMaxime Ripard ov5640_setting_PAL_720_576, 6365554c80eSAdam Ford ARRAY_SIZE(ov5640_setting_PAL_720_576), 6375554c80eSAdam Ford OV5640_30_FPS}, 638476dec01SMaxime Ripard {OV5640_MODE_XGA_1024_768, SUBSAMPLING, 639*22845bf2SJacopo Mondi OV5640_PIXEL_RATE_96M, 640476dec01SMaxime Ripard 1024, 1896, 768, 1080, 641086c25f8SMaxime Ripard ov5640_setting_XGA_1024_768, 6425554c80eSAdam Ford ARRAY_SIZE(ov5640_setting_XGA_1024_768), 6435554c80eSAdam Ford OV5640_30_FPS}, 644476dec01SMaxime Ripard {OV5640_MODE_720P_1280_720, SUBSAMPLING, 645*22845bf2SJacopo Mondi OV5640_PIXEL_RATE_124M, 646476dec01SMaxime Ripard 1280, 1892, 720, 740, 647086c25f8SMaxime Ripard ov5640_setting_720P_1280_720, 6485554c80eSAdam Ford ARRAY_SIZE(ov5640_setting_720P_1280_720), 6495554c80eSAdam Ford OV5640_30_FPS}, 650476dec01SMaxime Ripard {OV5640_MODE_1080P_1920_1080, SCALING, 651*22845bf2SJacopo Mondi OV5640_PIXEL_RATE_148M, 652476dec01SMaxime Ripard 1920, 2500, 1080, 1120, 653086c25f8SMaxime Ripard ov5640_setting_1080P_1920_1080, 6545554c80eSAdam Ford ARRAY_SIZE(ov5640_setting_1080P_1920_1080), 6555554c80eSAdam Ford OV5640_30_FPS}, 656476dec01SMaxime Ripard {OV5640_MODE_QSXGA_2592_1944, SCALING, 657*22845bf2SJacopo Mondi OV5640_PIXEL_RATE_168M, 658476dec01SMaxime Ripard 2592, 2844, 1944, 1968, 659086c25f8SMaxime Ripard ov5640_setting_QSXGA_2592_1944, 6605554c80eSAdam Ford ARRAY_SIZE(ov5640_setting_QSXGA_2592_1944), 6615554c80eSAdam Ford OV5640_15_FPS}, 66219a81c14SSteve Longerbeam }; 66319a81c14SSteve Longerbeam 66419a81c14SSteve Longerbeam static int ov5640_init_slave_id(struct ov5640_dev *sensor) 66519a81c14SSteve Longerbeam { 66619a81c14SSteve Longerbeam struct i2c_client *client = sensor->i2c_client; 66719a81c14SSteve Longerbeam struct i2c_msg msg; 66819a81c14SSteve Longerbeam u8 buf[3]; 66919a81c14SSteve Longerbeam int ret; 67019a81c14SSteve Longerbeam 67119a81c14SSteve Longerbeam if (client->addr == OV5640_DEFAULT_SLAVE_ID) 67219a81c14SSteve Longerbeam return 0; 67319a81c14SSteve Longerbeam 67419a81c14SSteve Longerbeam buf[0] = OV5640_REG_SLAVE_ID >> 8; 67519a81c14SSteve Longerbeam buf[1] = OV5640_REG_SLAVE_ID & 0xff; 67619a81c14SSteve Longerbeam buf[2] = client->addr << 1; 67719a81c14SSteve Longerbeam 67819a81c14SSteve Longerbeam msg.addr = OV5640_DEFAULT_SLAVE_ID; 67919a81c14SSteve Longerbeam msg.flags = 0; 68019a81c14SSteve Longerbeam msg.buf = buf; 68119a81c14SSteve Longerbeam msg.len = sizeof(buf); 68219a81c14SSteve Longerbeam 68319a81c14SSteve Longerbeam ret = i2c_transfer(client->adapter, &msg, 1); 68419a81c14SSteve Longerbeam if (ret < 0) { 68519a81c14SSteve Longerbeam dev_err(&client->dev, "%s: failed with %d\n", __func__, ret); 68619a81c14SSteve Longerbeam return ret; 68719a81c14SSteve Longerbeam } 68819a81c14SSteve Longerbeam 68919a81c14SSteve Longerbeam return 0; 69019a81c14SSteve Longerbeam } 69119a81c14SSteve Longerbeam 69219a81c14SSteve Longerbeam static int ov5640_write_reg(struct ov5640_dev *sensor, u16 reg, u8 val) 69319a81c14SSteve Longerbeam { 69419a81c14SSteve Longerbeam struct i2c_client *client = sensor->i2c_client; 69519a81c14SSteve Longerbeam struct i2c_msg msg; 69619a81c14SSteve Longerbeam u8 buf[3]; 69719a81c14SSteve Longerbeam int ret; 69819a81c14SSteve Longerbeam 69919a81c14SSteve Longerbeam buf[0] = reg >> 8; 70019a81c14SSteve Longerbeam buf[1] = reg & 0xff; 70119a81c14SSteve Longerbeam buf[2] = val; 70219a81c14SSteve Longerbeam 70319a81c14SSteve Longerbeam msg.addr = client->addr; 70419a81c14SSteve Longerbeam msg.flags = client->flags; 70519a81c14SSteve Longerbeam msg.buf = buf; 70619a81c14SSteve Longerbeam msg.len = sizeof(buf); 70719a81c14SSteve Longerbeam 70819a81c14SSteve Longerbeam ret = i2c_transfer(client->adapter, &msg, 1); 70919a81c14SSteve Longerbeam if (ret < 0) { 7103924c623SHugues Fruchet dev_err(&client->dev, "%s: error: reg=%x, val=%x\n", 71119a81c14SSteve Longerbeam __func__, reg, val); 71219a81c14SSteve Longerbeam return ret; 71319a81c14SSteve Longerbeam } 71419a81c14SSteve Longerbeam 71519a81c14SSteve Longerbeam return 0; 71619a81c14SSteve Longerbeam } 71719a81c14SSteve Longerbeam 71819a81c14SSteve Longerbeam static int ov5640_read_reg(struct ov5640_dev *sensor, u16 reg, u8 *val) 71919a81c14SSteve Longerbeam { 72019a81c14SSteve Longerbeam struct i2c_client *client = sensor->i2c_client; 72119a81c14SSteve Longerbeam struct i2c_msg msg[2]; 72219a81c14SSteve Longerbeam u8 buf[2]; 72319a81c14SSteve Longerbeam int ret; 72419a81c14SSteve Longerbeam 72519a81c14SSteve Longerbeam buf[0] = reg >> 8; 72619a81c14SSteve Longerbeam buf[1] = reg & 0xff; 72719a81c14SSteve Longerbeam 72819a81c14SSteve Longerbeam msg[0].addr = client->addr; 72919a81c14SSteve Longerbeam msg[0].flags = client->flags; 73019a81c14SSteve Longerbeam msg[0].buf = buf; 73119a81c14SSteve Longerbeam msg[0].len = sizeof(buf); 73219a81c14SSteve Longerbeam 73319a81c14SSteve Longerbeam msg[1].addr = client->addr; 73419a81c14SSteve Longerbeam msg[1].flags = client->flags | I2C_M_RD; 73519a81c14SSteve Longerbeam msg[1].buf = buf; 73619a81c14SSteve Longerbeam msg[1].len = 1; 73719a81c14SSteve Longerbeam 73819a81c14SSteve Longerbeam ret = i2c_transfer(client->adapter, msg, 2); 7393924c623SHugues Fruchet if (ret < 0) { 7403924c623SHugues Fruchet dev_err(&client->dev, "%s: error: reg=%x\n", 7413924c623SHugues Fruchet __func__, reg); 74219a81c14SSteve Longerbeam return ret; 7433924c623SHugues Fruchet } 74419a81c14SSteve Longerbeam 74519a81c14SSteve Longerbeam *val = buf[0]; 74619a81c14SSteve Longerbeam return 0; 74719a81c14SSteve Longerbeam } 74819a81c14SSteve Longerbeam 74919a81c14SSteve Longerbeam static int ov5640_read_reg16(struct ov5640_dev *sensor, u16 reg, u16 *val) 75019a81c14SSteve Longerbeam { 75119a81c14SSteve Longerbeam u8 hi, lo; 75219a81c14SSteve Longerbeam int ret; 75319a81c14SSteve Longerbeam 75419a81c14SSteve Longerbeam ret = ov5640_read_reg(sensor, reg, &hi); 75519a81c14SSteve Longerbeam if (ret) 75619a81c14SSteve Longerbeam return ret; 75719a81c14SSteve Longerbeam ret = ov5640_read_reg(sensor, reg + 1, &lo); 75819a81c14SSteve Longerbeam if (ret) 75919a81c14SSteve Longerbeam return ret; 76019a81c14SSteve Longerbeam 76119a81c14SSteve Longerbeam *val = ((u16)hi << 8) | (u16)lo; 76219a81c14SSteve Longerbeam return 0; 76319a81c14SSteve Longerbeam } 76419a81c14SSteve Longerbeam 76519a81c14SSteve Longerbeam static int ov5640_write_reg16(struct ov5640_dev *sensor, u16 reg, u16 val) 76619a81c14SSteve Longerbeam { 76719a81c14SSteve Longerbeam int ret; 76819a81c14SSteve Longerbeam 76919a81c14SSteve Longerbeam ret = ov5640_write_reg(sensor, reg, val >> 8); 77019a81c14SSteve Longerbeam if (ret) 77119a81c14SSteve Longerbeam return ret; 77219a81c14SSteve Longerbeam 77319a81c14SSteve Longerbeam return ov5640_write_reg(sensor, reg + 1, val & 0xff); 77419a81c14SSteve Longerbeam } 77519a81c14SSteve Longerbeam 77619a81c14SSteve Longerbeam static int ov5640_mod_reg(struct ov5640_dev *sensor, u16 reg, 77719a81c14SSteve Longerbeam u8 mask, u8 val) 77819a81c14SSteve Longerbeam { 77919a81c14SSteve Longerbeam u8 readval; 78019a81c14SSteve Longerbeam int ret; 78119a81c14SSteve Longerbeam 78219a81c14SSteve Longerbeam ret = ov5640_read_reg(sensor, reg, &readval); 78319a81c14SSteve Longerbeam if (ret) 78419a81c14SSteve Longerbeam return ret; 78519a81c14SSteve Longerbeam 78619a81c14SSteve Longerbeam readval &= ~mask; 78719a81c14SSteve Longerbeam val &= mask; 78819a81c14SSteve Longerbeam val |= readval; 78919a81c14SSteve Longerbeam 79019a81c14SSteve Longerbeam return ov5640_write_reg(sensor, reg, val); 79119a81c14SSteve Longerbeam } 79219a81c14SSteve Longerbeam 793aa288248SMaxime Ripard /* 794aa288248SMaxime Ripard * After trying the various combinations, reading various 795f8a7647dSMauro Carvalho Chehab * documentations spread around the net, and from the various 796aa288248SMaxime Ripard * feedback, the clock tree is probably as follows: 797aa288248SMaxime Ripard * 798aa288248SMaxime Ripard * +--------------+ 799aa288248SMaxime Ripard * | Ext. Clock | 800aa288248SMaxime Ripard * +-+------------+ 801aa288248SMaxime Ripard * | +----------+ 802aa288248SMaxime Ripard * +->| PLL1 | - reg 0x3036, for the multiplier 803aa288248SMaxime Ripard * +-+--------+ - reg 0x3037, bits 0-3 for the pre-divider 804aa288248SMaxime Ripard * | +--------------+ 805aa288248SMaxime Ripard * +->| System Clock | - reg 0x3035, bits 4-7 806aa288248SMaxime Ripard * +-+------------+ 807aa288248SMaxime Ripard * | +--------------+ 808aa288248SMaxime Ripard * +->| MIPI Divider | - reg 0x3035, bits 0-3 809aa288248SMaxime Ripard * | +-+------------+ 810aa288248SMaxime Ripard * | +----------------> MIPI SCLK 811aa288248SMaxime Ripard * | + +-----+ 812aa288248SMaxime Ripard * | +->| / 2 |-------> MIPI BIT CLK 813aa288248SMaxime Ripard * | +-----+ 814aa288248SMaxime Ripard * | +--------------+ 815aa288248SMaxime Ripard * +->| PLL Root Div | - reg 0x3037, bit 4 816aa288248SMaxime Ripard * +-+------------+ 817aa288248SMaxime Ripard * | +---------+ 8184c85f628SPaul Kocialkowski * +->| Bit Div | - reg 0x3034, bits 0-3 819aa288248SMaxime Ripard * +-+-------+ 820aa288248SMaxime Ripard * | +-------------+ 821aa288248SMaxime Ripard * +->| SCLK Div | - reg 0x3108, bits 0-1 822aa288248SMaxime Ripard * | +-+-----------+ 823aa288248SMaxime Ripard * | +---------------> SCLK 824aa288248SMaxime Ripard * | +-------------+ 825aa288248SMaxime Ripard * +->| SCLK 2X Div | - reg 0x3108, bits 2-3 826aa288248SMaxime Ripard * | +-+-----------+ 827aa288248SMaxime Ripard * | +---------------> SCLK 2X 828aa288248SMaxime Ripard * | +-------------+ 829aa288248SMaxime Ripard * +->| PCLK Div | - reg 0x3108, bits 4-5 830aa288248SMaxime Ripard * ++------------+ 831aa288248SMaxime Ripard * + +-----------+ 832aa288248SMaxime Ripard * +->| P_DIV | - reg 0x3035, bits 0-3 833aa288248SMaxime Ripard * +-----+-----+ 834aa288248SMaxime Ripard * +------------> PCLK 835aa288248SMaxime Ripard * 836aa288248SMaxime Ripard * This is deviating from the datasheet at least for the register 837aa288248SMaxime Ripard * 0x3108, since it's said here that the PCLK would be clocked from 838aa288248SMaxime Ripard * the PLL. 839aa288248SMaxime Ripard * 840aa288248SMaxime Ripard * There seems to be also (unverified) constraints: 841aa288248SMaxime Ripard * - the PLL pre-divider output rate should be in the 4-27MHz range 842aa288248SMaxime Ripard * - the PLL multiplier output rate should be in the 500-1000MHz range 843aa288248SMaxime Ripard * - PCLK >= SCLK * 2 in YUV, >= SCLK in Raw or JPEG 844aa288248SMaxime Ripard * 845aa288248SMaxime Ripard * In the two latter cases, these constraints are met since our 846aa288248SMaxime Ripard * factors are hardcoded. If we were to change that, we would need to 847aa288248SMaxime Ripard * take this into account. The only varying parts are the PLL 848aa288248SMaxime Ripard * multiplier and the system clock divider, which are shared between 849aa288248SMaxime Ripard * all these clocks so won't cause any issue. 850aa288248SMaxime Ripard */ 851aa288248SMaxime Ripard 852aa288248SMaxime Ripard /* 853aa288248SMaxime Ripard * This is supposed to be ranging from 1 to 8, but the value is always 854aa288248SMaxime Ripard * set to 3 in the vendor kernels. 855aa288248SMaxime Ripard */ 856aa288248SMaxime Ripard #define OV5640_PLL_PREDIV 3 857aa288248SMaxime Ripard 858aa288248SMaxime Ripard #define OV5640_PLL_MULT_MIN 4 859aa288248SMaxime Ripard #define OV5640_PLL_MULT_MAX 252 860aa288248SMaxime Ripard 861aa288248SMaxime Ripard /* 862aa288248SMaxime Ripard * This is supposed to be ranging from 1 to 16, but the value is 863aa288248SMaxime Ripard * always set to either 1 or 2 in the vendor kernels. 864aa288248SMaxime Ripard */ 865aa288248SMaxime Ripard #define OV5640_SYSDIV_MIN 1 866aa288248SMaxime Ripard #define OV5640_SYSDIV_MAX 16 867aa288248SMaxime Ripard 868aa288248SMaxime Ripard /* 869aa288248SMaxime Ripard * Hardcode these values for scaler and non-scaler modes. 870aa288248SMaxime Ripard * FIXME: to be re-calcualted for 1 data lanes setups 871aa288248SMaxime Ripard */ 872aa288248SMaxime Ripard #define OV5640_MIPI_DIV_PCLK 2 873aa288248SMaxime Ripard #define OV5640_MIPI_DIV_SCLK 1 874aa288248SMaxime Ripard 875aa288248SMaxime Ripard /* 876aa288248SMaxime Ripard * This is supposed to be ranging from 1 to 2, but the value is always 877aa288248SMaxime Ripard * set to 2 in the vendor kernels. 878aa288248SMaxime Ripard */ 879aa288248SMaxime Ripard #define OV5640_PLL_ROOT_DIV 2 880aa288248SMaxime Ripard #define OV5640_PLL_CTRL3_PLL_ROOT_DIV_2 BIT(4) 881aa288248SMaxime Ripard 882aa288248SMaxime Ripard /* 883aa288248SMaxime Ripard * We only supports 8-bit formats at the moment 884aa288248SMaxime Ripard */ 885aa288248SMaxime Ripard #define OV5640_BIT_DIV 2 886aa288248SMaxime Ripard #define OV5640_PLL_CTRL0_MIPI_MODE_8BIT 0x08 887aa288248SMaxime Ripard 888aa288248SMaxime Ripard /* 889aa288248SMaxime Ripard * This is supposed to be ranging from 1 to 8, but the value is always 890aa288248SMaxime Ripard * set to 2 in the vendor kernels. 891aa288248SMaxime Ripard */ 892aa288248SMaxime Ripard #define OV5640_SCLK_ROOT_DIV 2 893aa288248SMaxime Ripard 894aa288248SMaxime Ripard /* 895aa288248SMaxime Ripard * This is hardcoded so that the consistency is maintained between SCLK and 896aa288248SMaxime Ripard * SCLK 2x. 897aa288248SMaxime Ripard */ 898aa288248SMaxime Ripard #define OV5640_SCLK2X_ROOT_DIV (OV5640_SCLK_ROOT_DIV / 2) 899aa288248SMaxime Ripard 900aa288248SMaxime Ripard /* 901aa288248SMaxime Ripard * This is supposed to be ranging from 1 to 8, but the value is always 902aa288248SMaxime Ripard * set to 1 in the vendor kernels. 903aa288248SMaxime Ripard */ 904aa288248SMaxime Ripard #define OV5640_PCLK_ROOT_DIV 1 905aa288248SMaxime Ripard #define OV5640_PLL_SYS_ROOT_DIVIDER_BYPASS 0x00 906aa288248SMaxime Ripard 907aa288248SMaxime Ripard static unsigned long ov5640_compute_sys_clk(struct ov5640_dev *sensor, 908aa288248SMaxime Ripard u8 pll_prediv, u8 pll_mult, 909aa288248SMaxime Ripard u8 sysdiv) 910aa288248SMaxime Ripard { 911aa288248SMaxime Ripard unsigned long sysclk = sensor->xclk_freq / pll_prediv * pll_mult; 912aa288248SMaxime Ripard 913aa288248SMaxime Ripard /* PLL1 output cannot exceed 1GHz. */ 914aa288248SMaxime Ripard if (sysclk / 1000000 > 1000) 915aa288248SMaxime Ripard return 0; 916aa288248SMaxime Ripard 917aa288248SMaxime Ripard return sysclk / sysdiv; 918aa288248SMaxime Ripard } 919aa288248SMaxime Ripard 920aa288248SMaxime Ripard static unsigned long ov5640_calc_sys_clk(struct ov5640_dev *sensor, 921aa288248SMaxime Ripard unsigned long rate, 922aa288248SMaxime Ripard u8 *pll_prediv, u8 *pll_mult, 923aa288248SMaxime Ripard u8 *sysdiv) 924aa288248SMaxime Ripard { 925aa288248SMaxime Ripard unsigned long best = ~0; 926aa288248SMaxime Ripard u8 best_sysdiv = 1, best_mult = 1; 927aa288248SMaxime Ripard u8 _sysdiv, _pll_mult; 928aa288248SMaxime Ripard 929aa288248SMaxime Ripard for (_sysdiv = OV5640_SYSDIV_MIN; 930aa288248SMaxime Ripard _sysdiv <= OV5640_SYSDIV_MAX; 931aa288248SMaxime Ripard _sysdiv++) { 932aa288248SMaxime Ripard for (_pll_mult = OV5640_PLL_MULT_MIN; 933aa288248SMaxime Ripard _pll_mult <= OV5640_PLL_MULT_MAX; 934aa288248SMaxime Ripard _pll_mult++) { 935aa288248SMaxime Ripard unsigned long _rate; 936aa288248SMaxime Ripard 937aa288248SMaxime Ripard /* 938aa288248SMaxime Ripard * The PLL multiplier cannot be odd if above 939aa288248SMaxime Ripard * 127. 940aa288248SMaxime Ripard */ 941aa288248SMaxime Ripard if (_pll_mult > 127 && (_pll_mult % 2)) 942aa288248SMaxime Ripard continue; 943aa288248SMaxime Ripard 944aa288248SMaxime Ripard _rate = ov5640_compute_sys_clk(sensor, 945aa288248SMaxime Ripard OV5640_PLL_PREDIV, 946aa288248SMaxime Ripard _pll_mult, _sysdiv); 947aa288248SMaxime Ripard 948aa288248SMaxime Ripard /* 949aa288248SMaxime Ripard * We have reached the maximum allowed PLL1 output, 950aa288248SMaxime Ripard * increase sysdiv. 951aa288248SMaxime Ripard */ 9522e3df204SAdam Ford if (!_rate) 953aa288248SMaxime Ripard break; 954aa288248SMaxime Ripard 955aa288248SMaxime Ripard /* 956aa288248SMaxime Ripard * Prefer rates above the expected clock rate than 957aa288248SMaxime Ripard * below, even if that means being less precise. 958aa288248SMaxime Ripard */ 959aa288248SMaxime Ripard if (_rate < rate) 960aa288248SMaxime Ripard continue; 961aa288248SMaxime Ripard 962aa288248SMaxime Ripard if (abs(rate - _rate) < abs(rate - best)) { 963aa288248SMaxime Ripard best = _rate; 964aa288248SMaxime Ripard best_sysdiv = _sysdiv; 965aa288248SMaxime Ripard best_mult = _pll_mult; 966aa288248SMaxime Ripard } 967aa288248SMaxime Ripard 968aa288248SMaxime Ripard if (_rate == rate) 969aa288248SMaxime Ripard goto out; 970aa288248SMaxime Ripard } 971aa288248SMaxime Ripard } 972aa288248SMaxime Ripard 973aa288248SMaxime Ripard out: 974aa288248SMaxime Ripard *sysdiv = best_sysdiv; 975aa288248SMaxime Ripard *pll_prediv = OV5640_PLL_PREDIV; 976aa288248SMaxime Ripard *pll_mult = best_mult; 977aa288248SMaxime Ripard 978aa288248SMaxime Ripard return best; 979aa288248SMaxime Ripard } 980aa288248SMaxime Ripard 981aa288248SMaxime Ripard /* 982aa288248SMaxime Ripard * ov5640_set_mipi_pclk() - Calculate the clock tree configuration values 983aa288248SMaxime Ripard * for the MIPI CSI-2 output. 984aa288248SMaxime Ripard * 985aa288248SMaxime Ripard * @rate: The requested bandwidth per lane in bytes per second. 986aa288248SMaxime Ripard * 'Bandwidth Per Lane' is calculated as: 987aa288248SMaxime Ripard * bpl = HTOT * VTOT * FPS * bpp / num_lanes; 988aa288248SMaxime Ripard * 989aa288248SMaxime Ripard * This function use the requested bandwidth to calculate: 990aa288248SMaxime Ripard * - sample_rate = bpl / (bpp / num_lanes); 991aa288248SMaxime Ripard * = bpl / (PLL_RDIV * BIT_DIV * PCLK_DIV * MIPI_DIV / num_lanes); 992aa288248SMaxime Ripard * 993aa288248SMaxime Ripard * - mipi_sclk = bpl / MIPI_DIV / 2; ( / 2 is for CSI-2 DDR) 994aa288248SMaxime Ripard * 995aa288248SMaxime Ripard * with these fixed parameters: 996aa288248SMaxime Ripard * PLL_RDIV = 2; 997aa288248SMaxime Ripard * BIT_DIVIDER = 2; (MIPI_BIT_MODE == 8 ? 2 : 2,5); 998aa288248SMaxime Ripard * PCLK_DIV = 1; 999aa288248SMaxime Ripard * 1000aa288248SMaxime Ripard * The MIPI clock generation differs for modes that use the scaler and modes 1001aa288248SMaxime Ripard * that do not. In case the scaler is in use, the MIPI_SCLK generates the MIPI 1002aa288248SMaxime Ripard * BIT CLk, and thus: 1003aa288248SMaxime Ripard * 1004aa288248SMaxime Ripard * - mipi_sclk = bpl / MIPI_DIV / 2; 1005aa288248SMaxime Ripard * MIPI_DIV = 1; 1006aa288248SMaxime Ripard * 1007aa288248SMaxime Ripard * For modes that do not go through the scaler, the MIPI BIT CLOCK is generated 1008aa288248SMaxime Ripard * from the pixel clock, and thus: 1009aa288248SMaxime Ripard * 1010aa288248SMaxime Ripard * - sample_rate = bpl / (bpp / num_lanes); 1011aa288248SMaxime Ripard * = bpl / (2 * 2 * 1 * MIPI_DIV / num_lanes); 1012aa288248SMaxime Ripard * = bpl / (4 * MIPI_DIV / num_lanes); 1013aa288248SMaxime Ripard * - MIPI_DIV = bpp / (4 * num_lanes); 1014aa288248SMaxime Ripard * 1015aa288248SMaxime Ripard * FIXME: this have been tested with 16bpp and 2 lanes setup only. 1016aa288248SMaxime Ripard * MIPI_DIV is fixed to value 2, but it -might- be changed according to the 1017aa288248SMaxime Ripard * above formula for setups with 1 lane or image formats with different bpp. 1018aa288248SMaxime Ripard * 1019aa288248SMaxime Ripard * FIXME: this deviates from the sensor manual documentation which is quite 1020aa288248SMaxime Ripard * thin on the MIPI clock tree generation part. 1021aa288248SMaxime Ripard */ 1022aa288248SMaxime Ripard static int ov5640_set_mipi_pclk(struct ov5640_dev *sensor, 1023aa288248SMaxime Ripard unsigned long rate) 1024aa288248SMaxime Ripard { 1025aa288248SMaxime Ripard const struct ov5640_mode_info *mode = sensor->current_mode; 1026aa288248SMaxime Ripard u8 prediv, mult, sysdiv; 1027aa288248SMaxime Ripard u8 mipi_div; 1028aa288248SMaxime Ripard int ret; 1029aa288248SMaxime Ripard 1030aa288248SMaxime Ripard /* 1031aa288248SMaxime Ripard * 1280x720 is reported to use 'SUBSAMPLING' only, 1032aa288248SMaxime Ripard * but according to the sensor manual it goes through the 1033aa288248SMaxime Ripard * scaler before subsampling. 1034aa288248SMaxime Ripard */ 1035aa288248SMaxime Ripard if (mode->dn_mode == SCALING || 1036aa288248SMaxime Ripard (mode->id == OV5640_MODE_720P_1280_720)) 1037aa288248SMaxime Ripard mipi_div = OV5640_MIPI_DIV_SCLK; 1038aa288248SMaxime Ripard else 1039aa288248SMaxime Ripard mipi_div = OV5640_MIPI_DIV_PCLK; 1040aa288248SMaxime Ripard 1041aa288248SMaxime Ripard ov5640_calc_sys_clk(sensor, rate, &prediv, &mult, &sysdiv); 1042aa288248SMaxime Ripard 1043aa288248SMaxime Ripard ret = ov5640_mod_reg(sensor, OV5640_REG_SC_PLL_CTRL0, 1044aa288248SMaxime Ripard 0x0f, OV5640_PLL_CTRL0_MIPI_MODE_8BIT); 1045aa288248SMaxime Ripard 1046aa288248SMaxime Ripard ret = ov5640_mod_reg(sensor, OV5640_REG_SC_PLL_CTRL1, 1047aa288248SMaxime Ripard 0xff, sysdiv << 4 | mipi_div); 1048aa288248SMaxime Ripard if (ret) 1049aa288248SMaxime Ripard return ret; 1050aa288248SMaxime Ripard 1051aa288248SMaxime Ripard ret = ov5640_mod_reg(sensor, OV5640_REG_SC_PLL_CTRL2, 0xff, mult); 1052aa288248SMaxime Ripard if (ret) 1053aa288248SMaxime Ripard return ret; 1054aa288248SMaxime Ripard 1055aa288248SMaxime Ripard ret = ov5640_mod_reg(sensor, OV5640_REG_SC_PLL_CTRL3, 1056aa288248SMaxime Ripard 0x1f, OV5640_PLL_CTRL3_PLL_ROOT_DIV_2 | prediv); 1057aa288248SMaxime Ripard if (ret) 1058aa288248SMaxime Ripard return ret; 1059aa288248SMaxime Ripard 1060aa288248SMaxime Ripard return ov5640_mod_reg(sensor, OV5640_REG_SYS_ROOT_DIVIDER, 1061aa288248SMaxime Ripard 0x30, OV5640_PLL_SYS_ROOT_DIVIDER_BYPASS); 1062aa288248SMaxime Ripard } 1063aa288248SMaxime Ripard 1064aa288248SMaxime Ripard static unsigned long ov5640_calc_pclk(struct ov5640_dev *sensor, 1065aa288248SMaxime Ripard unsigned long rate, 1066aa288248SMaxime Ripard u8 *pll_prediv, u8 *pll_mult, u8 *sysdiv, 1067aa288248SMaxime Ripard u8 *pll_rdiv, u8 *bit_div, u8 *pclk_div) 1068aa288248SMaxime Ripard { 1069aa288248SMaxime Ripard unsigned long _rate = rate * OV5640_PLL_ROOT_DIV * OV5640_BIT_DIV * 1070aa288248SMaxime Ripard OV5640_PCLK_ROOT_DIV; 1071aa288248SMaxime Ripard 1072aa288248SMaxime Ripard _rate = ov5640_calc_sys_clk(sensor, _rate, pll_prediv, pll_mult, 1073aa288248SMaxime Ripard sysdiv); 1074aa288248SMaxime Ripard *pll_rdiv = OV5640_PLL_ROOT_DIV; 1075aa288248SMaxime Ripard *bit_div = OV5640_BIT_DIV; 1076aa288248SMaxime Ripard *pclk_div = OV5640_PCLK_ROOT_DIV; 1077aa288248SMaxime Ripard 1078aa288248SMaxime Ripard return _rate / *pll_rdiv / *bit_div / *pclk_div; 1079aa288248SMaxime Ripard } 1080aa288248SMaxime Ripard 1081aa288248SMaxime Ripard static int ov5640_set_dvp_pclk(struct ov5640_dev *sensor, unsigned long rate) 1082aa288248SMaxime Ripard { 1083aa288248SMaxime Ripard u8 prediv, mult, sysdiv, pll_rdiv, bit_div, pclk_div; 1084aa288248SMaxime Ripard int ret; 1085aa288248SMaxime Ripard 1086aa288248SMaxime Ripard ov5640_calc_pclk(sensor, rate, &prediv, &mult, &sysdiv, &pll_rdiv, 1087aa288248SMaxime Ripard &bit_div, &pclk_div); 1088aa288248SMaxime Ripard 1089aa288248SMaxime Ripard if (bit_div == 2) 1090aa288248SMaxime Ripard bit_div = 8; 1091aa288248SMaxime Ripard 1092aa288248SMaxime Ripard ret = ov5640_mod_reg(sensor, OV5640_REG_SC_PLL_CTRL0, 1093aa288248SMaxime Ripard 0x0f, bit_div); 1094aa288248SMaxime Ripard if (ret) 1095aa288248SMaxime Ripard return ret; 1096aa288248SMaxime Ripard 1097aa288248SMaxime Ripard /* 1098aa288248SMaxime Ripard * We need to set sysdiv according to the clock, and to clear 1099aa288248SMaxime Ripard * the MIPI divider. 1100aa288248SMaxime Ripard */ 1101aa288248SMaxime Ripard ret = ov5640_mod_reg(sensor, OV5640_REG_SC_PLL_CTRL1, 1102aa288248SMaxime Ripard 0xff, sysdiv << 4); 1103aa288248SMaxime Ripard if (ret) 1104aa288248SMaxime Ripard return ret; 1105aa288248SMaxime Ripard 1106aa288248SMaxime Ripard ret = ov5640_mod_reg(sensor, OV5640_REG_SC_PLL_CTRL2, 1107aa288248SMaxime Ripard 0xff, mult); 1108aa288248SMaxime Ripard if (ret) 1109aa288248SMaxime Ripard return ret; 1110aa288248SMaxime Ripard 1111aa288248SMaxime Ripard ret = ov5640_mod_reg(sensor, OV5640_REG_SC_PLL_CTRL3, 1112aa288248SMaxime Ripard 0x1f, prediv | ((pll_rdiv - 1) << 4)); 1113aa288248SMaxime Ripard if (ret) 1114aa288248SMaxime Ripard return ret; 1115aa288248SMaxime Ripard 1116aa288248SMaxime Ripard return ov5640_mod_reg(sensor, OV5640_REG_SYS_ROOT_DIVIDER, 0x30, 1117aa288248SMaxime Ripard (ilog2(pclk_div) << 4)); 1118aa288248SMaxime Ripard } 1119aa288248SMaxime Ripard 11207cb013b1SChen-Yu Tsai /* set JPEG framing sizes */ 11217cb013b1SChen-Yu Tsai static int ov5640_set_jpeg_timings(struct ov5640_dev *sensor, 11227cb013b1SChen-Yu Tsai const struct ov5640_mode_info *mode) 11237cb013b1SChen-Yu Tsai { 11247cb013b1SChen-Yu Tsai int ret; 11257cb013b1SChen-Yu Tsai 11262b5c18f9SChen-Yu Tsai /* 11272b5c18f9SChen-Yu Tsai * compression mode 3 timing 11282b5c18f9SChen-Yu Tsai * 11292b5c18f9SChen-Yu Tsai * Data is transmitted with programmable width (VFIFO_HSIZE). 11302b5c18f9SChen-Yu Tsai * No padding done. Last line may have less data. Varying 11312b5c18f9SChen-Yu Tsai * number of lines per frame, depending on amount of data. 11322b5c18f9SChen-Yu Tsai */ 11332b5c18f9SChen-Yu Tsai ret = ov5640_mod_reg(sensor, OV5640_REG_JPG_MODE_SELECT, 0x7, 0x3); 11342b5c18f9SChen-Yu Tsai if (ret < 0) 11352b5c18f9SChen-Yu Tsai return ret; 11362b5c18f9SChen-Yu Tsai 11377cb013b1SChen-Yu Tsai ret = ov5640_write_reg16(sensor, OV5640_REG_VFIFO_HSIZE, mode->hact); 11387cb013b1SChen-Yu Tsai if (ret < 0) 11397cb013b1SChen-Yu Tsai return ret; 11407cb013b1SChen-Yu Tsai 11417cb013b1SChen-Yu Tsai return ov5640_write_reg16(sensor, OV5640_REG_VFIFO_VSIZE, mode->vact); 11427cb013b1SChen-Yu Tsai } 11437cb013b1SChen-Yu Tsai 114419a81c14SSteve Longerbeam /* download ov5640 settings to sensor through i2c */ 1145bad1774eSJacopo Mondi static int ov5640_set_timings(struct ov5640_dev *sensor, 1146bad1774eSJacopo Mondi const struct ov5640_mode_info *mode) 1147bad1774eSJacopo Mondi { 1148bad1774eSJacopo Mondi int ret; 1149bad1774eSJacopo Mondi 11507cb013b1SChen-Yu Tsai if (sensor->fmt.code == MEDIA_BUS_FMT_JPEG_1X8) { 11517cb013b1SChen-Yu Tsai ret = ov5640_set_jpeg_timings(sensor, mode); 11527cb013b1SChen-Yu Tsai if (ret < 0) 11537cb013b1SChen-Yu Tsai return ret; 11547cb013b1SChen-Yu Tsai } 11557cb013b1SChen-Yu Tsai 1156bad1774eSJacopo Mondi ret = ov5640_write_reg16(sensor, OV5640_REG_TIMING_DVPHO, mode->hact); 1157bad1774eSJacopo Mondi if (ret < 0) 1158bad1774eSJacopo Mondi return ret; 1159bad1774eSJacopo Mondi 1160bad1774eSJacopo Mondi ret = ov5640_write_reg16(sensor, OV5640_REG_TIMING_DVPVO, mode->vact); 1161bad1774eSJacopo Mondi if (ret < 0) 1162bad1774eSJacopo Mondi return ret; 1163bad1774eSJacopo Mondi 1164bad1774eSJacopo Mondi ret = ov5640_write_reg16(sensor, OV5640_REG_TIMING_HTS, mode->htot); 1165bad1774eSJacopo Mondi if (ret < 0) 1166bad1774eSJacopo Mondi return ret; 1167bad1774eSJacopo Mondi 1168bad1774eSJacopo Mondi return ov5640_write_reg16(sensor, OV5640_REG_TIMING_VTS, mode->vtot); 1169bad1774eSJacopo Mondi } 1170bad1774eSJacopo Mondi 117119a81c14SSteve Longerbeam static int ov5640_load_regs(struct ov5640_dev *sensor, 117219a81c14SSteve Longerbeam const struct ov5640_mode_info *mode) 117319a81c14SSteve Longerbeam { 117419a81c14SSteve Longerbeam const struct reg_value *regs = mode->reg_data; 117519a81c14SSteve Longerbeam unsigned int i; 117619a81c14SSteve Longerbeam u32 delay_ms; 117719a81c14SSteve Longerbeam u16 reg_addr; 117819a81c14SSteve Longerbeam u8 mask, val; 117919a81c14SSteve Longerbeam int ret = 0; 118019a81c14SSteve Longerbeam 118119a81c14SSteve Longerbeam for (i = 0; i < mode->reg_data_size; ++i, ++regs) { 118219a81c14SSteve Longerbeam delay_ms = regs->delay_ms; 118319a81c14SSteve Longerbeam reg_addr = regs->reg_addr; 118419a81c14SSteve Longerbeam val = regs->val; 118519a81c14SSteve Longerbeam mask = regs->mask; 118619a81c14SSteve Longerbeam 11873b987d70SLad Prabhakar /* remain in power down mode for DVP */ 11883b987d70SLad Prabhakar if (regs->reg_addr == OV5640_REG_SYS_CTRL0 && 11893b987d70SLad Prabhakar val == OV5640_REG_SYS_CTRL0_SW_PWUP && 11903b987d70SLad Prabhakar sensor->ep.bus_type != V4L2_MBUS_CSI2_DPHY) 11913b987d70SLad Prabhakar continue; 11923b987d70SLad Prabhakar 119319a81c14SSteve Longerbeam if (mask) 119419a81c14SSteve Longerbeam ret = ov5640_mod_reg(sensor, reg_addr, mask, val); 119519a81c14SSteve Longerbeam else 119619a81c14SSteve Longerbeam ret = ov5640_write_reg(sensor, reg_addr, val); 119719a81c14SSteve Longerbeam if (ret) 119819a81c14SSteve Longerbeam break; 119919a81c14SSteve Longerbeam 120019a81c14SSteve Longerbeam if (delay_ms) 120119a81c14SSteve Longerbeam usleep_range(1000 * delay_ms, 1000 * delay_ms + 100); 120219a81c14SSteve Longerbeam } 120319a81c14SSteve Longerbeam 1204bad1774eSJacopo Mondi return ov5640_set_timings(sensor, mode); 120519a81c14SSteve Longerbeam } 120619a81c14SSteve Longerbeam 1207dc29a1c1SHugues Fruchet static int ov5640_set_autoexposure(struct ov5640_dev *sensor, bool on) 1208dc29a1c1SHugues Fruchet { 1209dc29a1c1SHugues Fruchet return ov5640_mod_reg(sensor, OV5640_REG_AEC_PK_MANUAL, 1210dc29a1c1SHugues Fruchet BIT(0), on ? 0 : BIT(0)); 1211dc29a1c1SHugues Fruchet } 1212dc29a1c1SHugues Fruchet 121319a81c14SSteve Longerbeam /* read exposure, in number of line periods */ 121419a81c14SSteve Longerbeam static int ov5640_get_exposure(struct ov5640_dev *sensor) 121519a81c14SSteve Longerbeam { 121619a81c14SSteve Longerbeam int exp, ret; 121719a81c14SSteve Longerbeam u8 temp; 121819a81c14SSteve Longerbeam 121919a81c14SSteve Longerbeam ret = ov5640_read_reg(sensor, OV5640_REG_AEC_PK_EXPOSURE_HI, &temp); 122019a81c14SSteve Longerbeam if (ret) 122119a81c14SSteve Longerbeam return ret; 122219a81c14SSteve Longerbeam exp = ((int)temp & 0x0f) << 16; 122319a81c14SSteve Longerbeam ret = ov5640_read_reg(sensor, OV5640_REG_AEC_PK_EXPOSURE_MED, &temp); 122419a81c14SSteve Longerbeam if (ret) 122519a81c14SSteve Longerbeam return ret; 122619a81c14SSteve Longerbeam exp |= ((int)temp << 8); 122719a81c14SSteve Longerbeam ret = ov5640_read_reg(sensor, OV5640_REG_AEC_PK_EXPOSURE_LO, &temp); 122819a81c14SSteve Longerbeam if (ret) 122919a81c14SSteve Longerbeam return ret; 123019a81c14SSteve Longerbeam exp |= (int)temp; 123119a81c14SSteve Longerbeam 123219a81c14SSteve Longerbeam return exp >> 4; 123319a81c14SSteve Longerbeam } 123419a81c14SSteve Longerbeam 123519a81c14SSteve Longerbeam /* write exposure, given number of line periods */ 123619a81c14SSteve Longerbeam static int ov5640_set_exposure(struct ov5640_dev *sensor, u32 exposure) 123719a81c14SSteve Longerbeam { 123819a81c14SSteve Longerbeam int ret; 123919a81c14SSteve Longerbeam 124019a81c14SSteve Longerbeam exposure <<= 4; 124119a81c14SSteve Longerbeam 124219a81c14SSteve Longerbeam ret = ov5640_write_reg(sensor, 124319a81c14SSteve Longerbeam OV5640_REG_AEC_PK_EXPOSURE_LO, 124419a81c14SSteve Longerbeam exposure & 0xff); 124519a81c14SSteve Longerbeam if (ret) 124619a81c14SSteve Longerbeam return ret; 124719a81c14SSteve Longerbeam ret = ov5640_write_reg(sensor, 124819a81c14SSteve Longerbeam OV5640_REG_AEC_PK_EXPOSURE_MED, 124919a81c14SSteve Longerbeam (exposure >> 8) & 0xff); 125019a81c14SSteve Longerbeam if (ret) 125119a81c14SSteve Longerbeam return ret; 125219a81c14SSteve Longerbeam return ov5640_write_reg(sensor, 125319a81c14SSteve Longerbeam OV5640_REG_AEC_PK_EXPOSURE_HI, 125419a81c14SSteve Longerbeam (exposure >> 16) & 0x0f); 125519a81c14SSteve Longerbeam } 125619a81c14SSteve Longerbeam 125719a81c14SSteve Longerbeam static int ov5640_get_gain(struct ov5640_dev *sensor) 125819a81c14SSteve Longerbeam { 125919a81c14SSteve Longerbeam u16 gain; 126019a81c14SSteve Longerbeam int ret; 126119a81c14SSteve Longerbeam 126219a81c14SSteve Longerbeam ret = ov5640_read_reg16(sensor, OV5640_REG_AEC_PK_REAL_GAIN, &gain); 126319a81c14SSteve Longerbeam if (ret) 126419a81c14SSteve Longerbeam return ret; 126519a81c14SSteve Longerbeam 126619a81c14SSteve Longerbeam return gain & 0x3ff; 126719a81c14SSteve Longerbeam } 126819a81c14SSteve Longerbeam 12693cca8ef5SHugues Fruchet static int ov5640_set_gain(struct ov5640_dev *sensor, int gain) 12703cca8ef5SHugues Fruchet { 12713cca8ef5SHugues Fruchet return ov5640_write_reg16(sensor, OV5640_REG_AEC_PK_REAL_GAIN, 12723cca8ef5SHugues Fruchet (u16)gain & 0x3ff); 12733cca8ef5SHugues Fruchet } 12743cca8ef5SHugues Fruchet 12753cca8ef5SHugues Fruchet static int ov5640_set_autogain(struct ov5640_dev *sensor, bool on) 12763cca8ef5SHugues Fruchet { 12773cca8ef5SHugues Fruchet return ov5640_mod_reg(sensor, OV5640_REG_AEC_PK_MANUAL, 12783cca8ef5SHugues Fruchet BIT(1), on ? 0 : BIT(1)); 12793cca8ef5SHugues Fruchet } 12803cca8ef5SHugues Fruchet 1281f22996dbSHugues Fruchet static int ov5640_set_stream_dvp(struct ov5640_dev *sensor, bool on) 1282f22996dbSHugues Fruchet { 12833b987d70SLad Prabhakar return ov5640_write_reg(sensor, OV5640_REG_SYS_CTRL0, on ? 12843b987d70SLad Prabhakar OV5640_REG_SYS_CTRL0_SW_PWUP : 12853b987d70SLad Prabhakar OV5640_REG_SYS_CTRL0_SW_PWDN); 1286f22996dbSHugues Fruchet } 1287f22996dbSHugues Fruchet 1288f22996dbSHugues Fruchet static int ov5640_set_stream_mipi(struct ov5640_dev *sensor, bool on) 128919a81c14SSteve Longerbeam { 129019a81c14SSteve Longerbeam int ret; 129119a81c14SSteve Longerbeam 1292aa4bb8b8SJacopo Mondi /* 1293aa4bb8b8SJacopo Mondi * Enable/disable the MIPI interface 1294aa4bb8b8SJacopo Mondi * 1295aa4bb8b8SJacopo Mondi * 0x300e = on ? 0x45 : 0x40 1296aa4bb8b8SJacopo Mondi * 1297aa4bb8b8SJacopo Mondi * FIXME: the sensor manual (version 2.03) reports 1298aa4bb8b8SJacopo Mondi * [7:5] = 000 : 1 data lane mode 1299aa4bb8b8SJacopo Mondi * [7:5] = 001 : 2 data lanes mode 1300aa4bb8b8SJacopo Mondi * But this settings do not work, while the following ones 1301aa4bb8b8SJacopo Mondi * have been validated for 2 data lanes mode. 1302aa4bb8b8SJacopo Mondi * 1303aa4bb8b8SJacopo Mondi * [7:5] = 010 : 2 data lanes mode 1304aa4bb8b8SJacopo Mondi * [4] = 0 : Power up MIPI HS Tx 1305aa4bb8b8SJacopo Mondi * [3] = 0 : Power up MIPI LS Rx 1306aa4bb8b8SJacopo Mondi * [2] = 1/0 : MIPI interface enable/disable 1307aa4bb8b8SJacopo Mondi * [1:0] = 01/00: FIXME: 'debug' 1308aa4bb8b8SJacopo Mondi */ 1309aa4bb8b8SJacopo Mondi ret = ov5640_write_reg(sensor, OV5640_REG_IO_MIPI_CTRL00, 1310aa4bb8b8SJacopo Mondi on ? 0x45 : 0x40); 131119a81c14SSteve Longerbeam if (ret) 131219a81c14SSteve Longerbeam return ret; 131319a81c14SSteve Longerbeam 131419a81c14SSteve Longerbeam return ov5640_write_reg(sensor, OV5640_REG_FRAME_CTRL01, 131519a81c14SSteve Longerbeam on ? 0x00 : 0x0f); 131619a81c14SSteve Longerbeam } 131719a81c14SSteve Longerbeam 131819a81c14SSteve Longerbeam static int ov5640_get_sysclk(struct ov5640_dev *sensor) 131919a81c14SSteve Longerbeam { 132019a81c14SSteve Longerbeam /* calculate sysclk */ 132119a81c14SSteve Longerbeam u32 xvclk = sensor->xclk_freq / 10000; 132219a81c14SSteve Longerbeam u32 multiplier, prediv, VCO, sysdiv, pll_rdiv; 132319a81c14SSteve Longerbeam u32 sclk_rdiv_map[] = {1, 2, 4, 8}; 132419a81c14SSteve Longerbeam u32 bit_div2x = 1, sclk_rdiv, sysclk; 132519a81c14SSteve Longerbeam u8 temp1, temp2; 132619a81c14SSteve Longerbeam int ret; 132719a81c14SSteve Longerbeam 132819a81c14SSteve Longerbeam ret = ov5640_read_reg(sensor, OV5640_REG_SC_PLL_CTRL0, &temp1); 132919a81c14SSteve Longerbeam if (ret) 133019a81c14SSteve Longerbeam return ret; 133119a81c14SSteve Longerbeam temp2 = temp1 & 0x0f; 133219a81c14SSteve Longerbeam if (temp2 == 8 || temp2 == 10) 133319a81c14SSteve Longerbeam bit_div2x = temp2 / 2; 133419a81c14SSteve Longerbeam 133519a81c14SSteve Longerbeam ret = ov5640_read_reg(sensor, OV5640_REG_SC_PLL_CTRL1, &temp1); 133619a81c14SSteve Longerbeam if (ret) 133719a81c14SSteve Longerbeam return ret; 133819a81c14SSteve Longerbeam sysdiv = temp1 >> 4; 133919a81c14SSteve Longerbeam if (sysdiv == 0) 134019a81c14SSteve Longerbeam sysdiv = 16; 134119a81c14SSteve Longerbeam 134219a81c14SSteve Longerbeam ret = ov5640_read_reg(sensor, OV5640_REG_SC_PLL_CTRL2, &temp1); 134319a81c14SSteve Longerbeam if (ret) 134419a81c14SSteve Longerbeam return ret; 134519a81c14SSteve Longerbeam multiplier = temp1; 134619a81c14SSteve Longerbeam 134719a81c14SSteve Longerbeam ret = ov5640_read_reg(sensor, OV5640_REG_SC_PLL_CTRL3, &temp1); 134819a81c14SSteve Longerbeam if (ret) 134919a81c14SSteve Longerbeam return ret; 135019a81c14SSteve Longerbeam prediv = temp1 & 0x0f; 135119a81c14SSteve Longerbeam pll_rdiv = ((temp1 >> 4) & 0x01) + 1; 135219a81c14SSteve Longerbeam 135319a81c14SSteve Longerbeam ret = ov5640_read_reg(sensor, OV5640_REG_SYS_ROOT_DIVIDER, &temp1); 135419a81c14SSteve Longerbeam if (ret) 135519a81c14SSteve Longerbeam return ret; 135619a81c14SSteve Longerbeam temp2 = temp1 & 0x03; 135719a81c14SSteve Longerbeam sclk_rdiv = sclk_rdiv_map[temp2]; 135819a81c14SSteve Longerbeam 135919a81c14SSteve Longerbeam if (!prediv || !sysdiv || !pll_rdiv || !bit_div2x) 136019a81c14SSteve Longerbeam return -EINVAL; 136119a81c14SSteve Longerbeam 136219a81c14SSteve Longerbeam VCO = xvclk * multiplier / prediv; 136319a81c14SSteve Longerbeam 136419a81c14SSteve Longerbeam sysclk = VCO / sysdiv / pll_rdiv * 2 / bit_div2x / sclk_rdiv; 136519a81c14SSteve Longerbeam 136619a81c14SSteve Longerbeam return sysclk; 136719a81c14SSteve Longerbeam } 136819a81c14SSteve Longerbeam 136919a81c14SSteve Longerbeam static int ov5640_set_night_mode(struct ov5640_dev *sensor) 137019a81c14SSteve Longerbeam { 137119a81c14SSteve Longerbeam /* read HTS from register settings */ 137219a81c14SSteve Longerbeam u8 mode; 137319a81c14SSteve Longerbeam int ret; 137419a81c14SSteve Longerbeam 137519a81c14SSteve Longerbeam ret = ov5640_read_reg(sensor, OV5640_REG_AEC_CTRL00, &mode); 137619a81c14SSteve Longerbeam if (ret) 137719a81c14SSteve Longerbeam return ret; 137819a81c14SSteve Longerbeam mode &= 0xfb; 137919a81c14SSteve Longerbeam return ov5640_write_reg(sensor, OV5640_REG_AEC_CTRL00, mode); 138019a81c14SSteve Longerbeam } 138119a81c14SSteve Longerbeam 138219a81c14SSteve Longerbeam static int ov5640_get_hts(struct ov5640_dev *sensor) 138319a81c14SSteve Longerbeam { 138419a81c14SSteve Longerbeam /* read HTS from register settings */ 138519a81c14SSteve Longerbeam u16 hts; 138619a81c14SSteve Longerbeam int ret; 138719a81c14SSteve Longerbeam 138819a81c14SSteve Longerbeam ret = ov5640_read_reg16(sensor, OV5640_REG_TIMING_HTS, &hts); 138919a81c14SSteve Longerbeam if (ret) 139019a81c14SSteve Longerbeam return ret; 139119a81c14SSteve Longerbeam return hts; 139219a81c14SSteve Longerbeam } 139319a81c14SSteve Longerbeam 139419a81c14SSteve Longerbeam static int ov5640_get_vts(struct ov5640_dev *sensor) 139519a81c14SSteve Longerbeam { 139619a81c14SSteve Longerbeam u16 vts; 139719a81c14SSteve Longerbeam int ret; 139819a81c14SSteve Longerbeam 139919a81c14SSteve Longerbeam ret = ov5640_read_reg16(sensor, OV5640_REG_TIMING_VTS, &vts); 140019a81c14SSteve Longerbeam if (ret) 140119a81c14SSteve Longerbeam return ret; 140219a81c14SSteve Longerbeam return vts; 140319a81c14SSteve Longerbeam } 140419a81c14SSteve Longerbeam 140519a81c14SSteve Longerbeam static int ov5640_set_vts(struct ov5640_dev *sensor, int vts) 140619a81c14SSteve Longerbeam { 140719a81c14SSteve Longerbeam return ov5640_write_reg16(sensor, OV5640_REG_TIMING_VTS, vts); 140819a81c14SSteve Longerbeam } 140919a81c14SSteve Longerbeam 141019a81c14SSteve Longerbeam static int ov5640_get_light_freq(struct ov5640_dev *sensor) 141119a81c14SSteve Longerbeam { 141219a81c14SSteve Longerbeam /* get banding filter value */ 141319a81c14SSteve Longerbeam int ret, light_freq = 0; 141419a81c14SSteve Longerbeam u8 temp, temp1; 141519a81c14SSteve Longerbeam 141619a81c14SSteve Longerbeam ret = ov5640_read_reg(sensor, OV5640_REG_HZ5060_CTRL01, &temp); 141719a81c14SSteve Longerbeam if (ret) 141819a81c14SSteve Longerbeam return ret; 141919a81c14SSteve Longerbeam 142019a81c14SSteve Longerbeam if (temp & 0x80) { 142119a81c14SSteve Longerbeam /* manual */ 142219a81c14SSteve Longerbeam ret = ov5640_read_reg(sensor, OV5640_REG_HZ5060_CTRL00, 142319a81c14SSteve Longerbeam &temp1); 142419a81c14SSteve Longerbeam if (ret) 142519a81c14SSteve Longerbeam return ret; 142619a81c14SSteve Longerbeam if (temp1 & 0x04) { 142719a81c14SSteve Longerbeam /* 50Hz */ 142819a81c14SSteve Longerbeam light_freq = 50; 142919a81c14SSteve Longerbeam } else { 143019a81c14SSteve Longerbeam /* 60Hz */ 143119a81c14SSteve Longerbeam light_freq = 60; 143219a81c14SSteve Longerbeam } 143319a81c14SSteve Longerbeam } else { 143419a81c14SSteve Longerbeam /* auto */ 143519a81c14SSteve Longerbeam ret = ov5640_read_reg(sensor, OV5640_REG_SIGMADELTA_CTRL0C, 143619a81c14SSteve Longerbeam &temp1); 143719a81c14SSteve Longerbeam if (ret) 143819a81c14SSteve Longerbeam return ret; 143919a81c14SSteve Longerbeam 144019a81c14SSteve Longerbeam if (temp1 & 0x01) { 144119a81c14SSteve Longerbeam /* 50Hz */ 144219a81c14SSteve Longerbeam light_freq = 50; 144319a81c14SSteve Longerbeam } else { 144419a81c14SSteve Longerbeam /* 60Hz */ 144519a81c14SSteve Longerbeam } 144619a81c14SSteve Longerbeam } 144719a81c14SSteve Longerbeam 144819a81c14SSteve Longerbeam return light_freq; 144919a81c14SSteve Longerbeam } 145019a81c14SSteve Longerbeam 145119a81c14SSteve Longerbeam static int ov5640_set_bandingfilter(struct ov5640_dev *sensor) 145219a81c14SSteve Longerbeam { 145319a81c14SSteve Longerbeam u32 band_step60, max_band60, band_step50, max_band50, prev_vts; 145419a81c14SSteve Longerbeam int ret; 145519a81c14SSteve Longerbeam 145619a81c14SSteve Longerbeam /* read preview PCLK */ 145719a81c14SSteve Longerbeam ret = ov5640_get_sysclk(sensor); 145819a81c14SSteve Longerbeam if (ret < 0) 145919a81c14SSteve Longerbeam return ret; 146019a81c14SSteve Longerbeam if (ret == 0) 146119a81c14SSteve Longerbeam return -EINVAL; 146219a81c14SSteve Longerbeam sensor->prev_sysclk = ret; 146319a81c14SSteve Longerbeam /* read preview HTS */ 146419a81c14SSteve Longerbeam ret = ov5640_get_hts(sensor); 146519a81c14SSteve Longerbeam if (ret < 0) 146619a81c14SSteve Longerbeam return ret; 146719a81c14SSteve Longerbeam if (ret == 0) 146819a81c14SSteve Longerbeam return -EINVAL; 146919a81c14SSteve Longerbeam sensor->prev_hts = ret; 147019a81c14SSteve Longerbeam 147119a81c14SSteve Longerbeam /* read preview VTS */ 147219a81c14SSteve Longerbeam ret = ov5640_get_vts(sensor); 147319a81c14SSteve Longerbeam if (ret < 0) 147419a81c14SSteve Longerbeam return ret; 147519a81c14SSteve Longerbeam prev_vts = ret; 147619a81c14SSteve Longerbeam 147719a81c14SSteve Longerbeam /* calculate banding filter */ 147819a81c14SSteve Longerbeam /* 60Hz */ 147919a81c14SSteve Longerbeam band_step60 = sensor->prev_sysclk * 100 / sensor->prev_hts * 100 / 120; 148019a81c14SSteve Longerbeam ret = ov5640_write_reg16(sensor, OV5640_REG_AEC_B60_STEP, band_step60); 148119a81c14SSteve Longerbeam if (ret) 148219a81c14SSteve Longerbeam return ret; 148319a81c14SSteve Longerbeam if (!band_step60) 148419a81c14SSteve Longerbeam return -EINVAL; 148519a81c14SSteve Longerbeam max_band60 = (int)((prev_vts - 4) / band_step60); 148619a81c14SSteve Longerbeam ret = ov5640_write_reg(sensor, OV5640_REG_AEC_CTRL0D, max_band60); 148719a81c14SSteve Longerbeam if (ret) 148819a81c14SSteve Longerbeam return ret; 148919a81c14SSteve Longerbeam 149019a81c14SSteve Longerbeam /* 50Hz */ 149119a81c14SSteve Longerbeam band_step50 = sensor->prev_sysclk * 100 / sensor->prev_hts; 149219a81c14SSteve Longerbeam ret = ov5640_write_reg16(sensor, OV5640_REG_AEC_B50_STEP, band_step50); 149319a81c14SSteve Longerbeam if (ret) 149419a81c14SSteve Longerbeam return ret; 149519a81c14SSteve Longerbeam if (!band_step50) 149619a81c14SSteve Longerbeam return -EINVAL; 149719a81c14SSteve Longerbeam max_band50 = (int)((prev_vts - 4) / band_step50); 149819a81c14SSteve Longerbeam return ov5640_write_reg(sensor, OV5640_REG_AEC_CTRL0E, max_band50); 149919a81c14SSteve Longerbeam } 150019a81c14SSteve Longerbeam 150119a81c14SSteve Longerbeam static int ov5640_set_ae_target(struct ov5640_dev *sensor, int target) 150219a81c14SSteve Longerbeam { 150319a81c14SSteve Longerbeam /* stable in high */ 150419a81c14SSteve Longerbeam u32 fast_high, fast_low; 150519a81c14SSteve Longerbeam int ret; 150619a81c14SSteve Longerbeam 150719a81c14SSteve Longerbeam sensor->ae_low = target * 23 / 25; /* 0.92 */ 150819a81c14SSteve Longerbeam sensor->ae_high = target * 27 / 25; /* 1.08 */ 150919a81c14SSteve Longerbeam 151019a81c14SSteve Longerbeam fast_high = sensor->ae_high << 1; 151119a81c14SSteve Longerbeam if (fast_high > 255) 151219a81c14SSteve Longerbeam fast_high = 255; 151319a81c14SSteve Longerbeam 151419a81c14SSteve Longerbeam fast_low = sensor->ae_low >> 1; 151519a81c14SSteve Longerbeam 151619a81c14SSteve Longerbeam ret = ov5640_write_reg(sensor, OV5640_REG_AEC_CTRL0F, sensor->ae_high); 151719a81c14SSteve Longerbeam if (ret) 151819a81c14SSteve Longerbeam return ret; 151919a81c14SSteve Longerbeam ret = ov5640_write_reg(sensor, OV5640_REG_AEC_CTRL10, sensor->ae_low); 152019a81c14SSteve Longerbeam if (ret) 152119a81c14SSteve Longerbeam return ret; 152219a81c14SSteve Longerbeam ret = ov5640_write_reg(sensor, OV5640_REG_AEC_CTRL1B, sensor->ae_high); 152319a81c14SSteve Longerbeam if (ret) 152419a81c14SSteve Longerbeam return ret; 152519a81c14SSteve Longerbeam ret = ov5640_write_reg(sensor, OV5640_REG_AEC_CTRL1E, sensor->ae_low); 152619a81c14SSteve Longerbeam if (ret) 152719a81c14SSteve Longerbeam return ret; 152819a81c14SSteve Longerbeam ret = ov5640_write_reg(sensor, OV5640_REG_AEC_CTRL11, fast_high); 152919a81c14SSteve Longerbeam if (ret) 153019a81c14SSteve Longerbeam return ret; 153119a81c14SSteve Longerbeam return ov5640_write_reg(sensor, OV5640_REG_AEC_CTRL1F, fast_low); 153219a81c14SSteve Longerbeam } 153319a81c14SSteve Longerbeam 1534c2c3f42dSHugues Fruchet static int ov5640_get_binning(struct ov5640_dev *sensor) 153519a81c14SSteve Longerbeam { 153619a81c14SSteve Longerbeam u8 temp; 153719a81c14SSteve Longerbeam int ret; 153819a81c14SSteve Longerbeam 153919a81c14SSteve Longerbeam ret = ov5640_read_reg(sensor, OV5640_REG_TIMING_TC_REG21, &temp); 154019a81c14SSteve Longerbeam if (ret) 154119a81c14SSteve Longerbeam return ret; 1542c2c3f42dSHugues Fruchet 1543c2c3f42dSHugues Fruchet return temp & BIT(0); 154419a81c14SSteve Longerbeam } 154519a81c14SSteve Longerbeam 1546ce85705aSHugues Fruchet static int ov5640_set_binning(struct ov5640_dev *sensor, bool enable) 1547ce85705aSHugues Fruchet { 1548ce85705aSHugues Fruchet int ret; 1549ce85705aSHugues Fruchet 1550ce85705aSHugues Fruchet /* 1551ce85705aSHugues Fruchet * TIMING TC REG21: 1552ce85705aSHugues Fruchet * - [0]: Horizontal binning enable 1553ce85705aSHugues Fruchet */ 1554ce85705aSHugues Fruchet ret = ov5640_mod_reg(sensor, OV5640_REG_TIMING_TC_REG21, 1555ce85705aSHugues Fruchet BIT(0), enable ? BIT(0) : 0); 1556ce85705aSHugues Fruchet if (ret) 1557ce85705aSHugues Fruchet return ret; 1558ce85705aSHugues Fruchet /* 1559ce85705aSHugues Fruchet * TIMING TC REG20: 1560ce85705aSHugues Fruchet * - [0]: Undocumented, but hardcoded init sequences 1561ce85705aSHugues Fruchet * are always setting REG21/REG20 bit 0 to same value... 1562ce85705aSHugues Fruchet */ 1563ce85705aSHugues Fruchet return ov5640_mod_reg(sensor, OV5640_REG_TIMING_TC_REG20, 1564ce85705aSHugues Fruchet BIT(0), enable ? BIT(0) : 0); 1565ce85705aSHugues Fruchet } 1566ce85705aSHugues Fruchet 156719a81c14SSteve Longerbeam static int ov5640_set_virtual_channel(struct ov5640_dev *sensor) 156819a81c14SSteve Longerbeam { 15698670d70aSHugues Fruchet struct i2c_client *client = sensor->i2c_client; 157019a81c14SSteve Longerbeam u8 temp, channel = virtual_channel; 157119a81c14SSteve Longerbeam int ret; 157219a81c14SSteve Longerbeam 15738670d70aSHugues Fruchet if (channel > 3) { 15748670d70aSHugues Fruchet dev_err(&client->dev, 15758670d70aSHugues Fruchet "%s: wrong virtual_channel parameter, expected (0..3), got %d\n", 15768670d70aSHugues Fruchet __func__, channel); 157719a81c14SSteve Longerbeam return -EINVAL; 15788670d70aSHugues Fruchet } 157919a81c14SSteve Longerbeam 158019a81c14SSteve Longerbeam ret = ov5640_read_reg(sensor, OV5640_REG_DEBUG_MODE, &temp); 158119a81c14SSteve Longerbeam if (ret) 158219a81c14SSteve Longerbeam return ret; 158319a81c14SSteve Longerbeam temp &= ~(3 << 6); 158419a81c14SSteve Longerbeam temp |= (channel << 6); 158519a81c14SSteve Longerbeam return ov5640_write_reg(sensor, OV5640_REG_DEBUG_MODE, temp); 158619a81c14SSteve Longerbeam } 158719a81c14SSteve Longerbeam 158819a81c14SSteve Longerbeam static const struct ov5640_mode_info * 158919a81c14SSteve Longerbeam ov5640_find_mode(struct ov5640_dev *sensor, enum ov5640_frame_rate fr, 159019a81c14SSteve Longerbeam int width, int height, bool nearest) 159119a81c14SSteve Longerbeam { 15923c4a7372SHugues Fruchet const struct ov5640_mode_info *mode; 159319a81c14SSteve Longerbeam 1594086c25f8SMaxime Ripard mode = v4l2_find_nearest_size(ov5640_mode_data, 1595086c25f8SMaxime Ripard ARRAY_SIZE(ov5640_mode_data), 15963c4a7372SHugues Fruchet hact, vact, 15973c4a7372SHugues Fruchet width, height); 159819a81c14SSteve Longerbeam 15993c4a7372SHugues Fruchet if (!mode || 16003c4a7372SHugues Fruchet (!nearest && (mode->hact != width || mode->vact != height))) 16013c4a7372SHugues Fruchet return NULL; 160219a81c14SSteve Longerbeam 16035554c80eSAdam Ford /* Check to see if the current mode exceeds the max frame rate */ 16045554c80eSAdam Ford if (ov5640_framerates[fr] > ov5640_framerates[mode->max_fps]) 1605981e4454SBenoit Parrot return NULL; 1606981e4454SBenoit Parrot 160719a81c14SSteve Longerbeam return mode; 160819a81c14SSteve Longerbeam } 160919a81c14SSteve Longerbeam 1610cc196e48SBenoit Parrot static u64 ov5640_calc_pixel_rate(struct ov5640_dev *sensor) 1611cc196e48SBenoit Parrot { 1612cc196e48SBenoit Parrot u64 rate; 1613cc196e48SBenoit Parrot 1614cc196e48SBenoit Parrot rate = sensor->current_mode->vtot * sensor->current_mode->htot; 1615cc196e48SBenoit Parrot rate *= ov5640_framerates[sensor->current_fr]; 1616cc196e48SBenoit Parrot 1617cc196e48SBenoit Parrot return rate; 1618cc196e48SBenoit Parrot } 1619cc196e48SBenoit Parrot 162019a81c14SSteve Longerbeam /* 162119a81c14SSteve Longerbeam * sensor changes between scaling and subsampling, go through 162219a81c14SSteve Longerbeam * exposure calculation 162319a81c14SSteve Longerbeam */ 162441d8d7f5SHugues Fruchet static int ov5640_set_mode_exposure_calc(struct ov5640_dev *sensor, 162541d8d7f5SHugues Fruchet const struct ov5640_mode_info *mode) 162619a81c14SSteve Longerbeam { 162719a81c14SSteve Longerbeam u32 prev_shutter, prev_gain16; 162819a81c14SSteve Longerbeam u32 cap_shutter, cap_gain16; 162919a81c14SSteve Longerbeam u32 cap_sysclk, cap_hts, cap_vts; 163019a81c14SSteve Longerbeam u32 light_freq, cap_bandfilt, cap_maxband; 163119a81c14SSteve Longerbeam u32 cap_gain16_shutter; 163219a81c14SSteve Longerbeam u8 average; 163319a81c14SSteve Longerbeam int ret; 163419a81c14SSteve Longerbeam 163541d8d7f5SHugues Fruchet if (!mode->reg_data) 163619a81c14SSteve Longerbeam return -EINVAL; 163719a81c14SSteve Longerbeam 163819a81c14SSteve Longerbeam /* read preview shutter */ 163919a81c14SSteve Longerbeam ret = ov5640_get_exposure(sensor); 164019a81c14SSteve Longerbeam if (ret < 0) 164119a81c14SSteve Longerbeam return ret; 164219a81c14SSteve Longerbeam prev_shutter = ret; 1643c2c3f42dSHugues Fruchet ret = ov5640_get_binning(sensor); 164419a81c14SSteve Longerbeam if (ret < 0) 164519a81c14SSteve Longerbeam return ret; 164619a81c14SSteve Longerbeam if (ret && mode->id != OV5640_MODE_720P_1280_720 && 164719a81c14SSteve Longerbeam mode->id != OV5640_MODE_1080P_1920_1080) 164819a81c14SSteve Longerbeam prev_shutter *= 2; 164919a81c14SSteve Longerbeam 165019a81c14SSteve Longerbeam /* read preview gain */ 165119a81c14SSteve Longerbeam ret = ov5640_get_gain(sensor); 165219a81c14SSteve Longerbeam if (ret < 0) 165319a81c14SSteve Longerbeam return ret; 165419a81c14SSteve Longerbeam prev_gain16 = ret; 165519a81c14SSteve Longerbeam 165619a81c14SSteve Longerbeam /* get average */ 165719a81c14SSteve Longerbeam ret = ov5640_read_reg(sensor, OV5640_REG_AVG_READOUT, &average); 165819a81c14SSteve Longerbeam if (ret) 165919a81c14SSteve Longerbeam return ret; 166019a81c14SSteve Longerbeam 166119a81c14SSteve Longerbeam /* turn off night mode for capture */ 166219a81c14SSteve Longerbeam ret = ov5640_set_night_mode(sensor); 166319a81c14SSteve Longerbeam if (ret < 0) 166419a81c14SSteve Longerbeam return ret; 166519a81c14SSteve Longerbeam 166619a81c14SSteve Longerbeam /* Write capture setting */ 166719a81c14SSteve Longerbeam ret = ov5640_load_regs(sensor, mode); 166819a81c14SSteve Longerbeam if (ret < 0) 166919a81c14SSteve Longerbeam return ret; 167019a81c14SSteve Longerbeam 167119a81c14SSteve Longerbeam /* read capture VTS */ 167219a81c14SSteve Longerbeam ret = ov5640_get_vts(sensor); 167319a81c14SSteve Longerbeam if (ret < 0) 167419a81c14SSteve Longerbeam return ret; 167519a81c14SSteve Longerbeam cap_vts = ret; 167619a81c14SSteve Longerbeam ret = ov5640_get_hts(sensor); 167719a81c14SSteve Longerbeam if (ret < 0) 167819a81c14SSteve Longerbeam return ret; 167919a81c14SSteve Longerbeam if (ret == 0) 168019a81c14SSteve Longerbeam return -EINVAL; 168119a81c14SSteve Longerbeam cap_hts = ret; 168219a81c14SSteve Longerbeam 168319a81c14SSteve Longerbeam ret = ov5640_get_sysclk(sensor); 168419a81c14SSteve Longerbeam if (ret < 0) 168519a81c14SSteve Longerbeam return ret; 168619a81c14SSteve Longerbeam if (ret == 0) 168719a81c14SSteve Longerbeam return -EINVAL; 168819a81c14SSteve Longerbeam cap_sysclk = ret; 168919a81c14SSteve Longerbeam 169019a81c14SSteve Longerbeam /* calculate capture banding filter */ 169119a81c14SSteve Longerbeam ret = ov5640_get_light_freq(sensor); 169219a81c14SSteve Longerbeam if (ret < 0) 169319a81c14SSteve Longerbeam return ret; 169419a81c14SSteve Longerbeam light_freq = ret; 169519a81c14SSteve Longerbeam 169619a81c14SSteve Longerbeam if (light_freq == 60) { 169719a81c14SSteve Longerbeam /* 60Hz */ 169819a81c14SSteve Longerbeam cap_bandfilt = cap_sysclk * 100 / cap_hts * 100 / 120; 169919a81c14SSteve Longerbeam } else { 170019a81c14SSteve Longerbeam /* 50Hz */ 170119a81c14SSteve Longerbeam cap_bandfilt = cap_sysclk * 100 / cap_hts; 170219a81c14SSteve Longerbeam } 170319a81c14SSteve Longerbeam 170419a81c14SSteve Longerbeam if (!sensor->prev_sysclk) { 170519a81c14SSteve Longerbeam ret = ov5640_get_sysclk(sensor); 170619a81c14SSteve Longerbeam if (ret < 0) 170719a81c14SSteve Longerbeam return ret; 170819a81c14SSteve Longerbeam if (ret == 0) 170919a81c14SSteve Longerbeam return -EINVAL; 171019a81c14SSteve Longerbeam sensor->prev_sysclk = ret; 171119a81c14SSteve Longerbeam } 171219a81c14SSteve Longerbeam 171319a81c14SSteve Longerbeam if (!cap_bandfilt) 171419a81c14SSteve Longerbeam return -EINVAL; 171519a81c14SSteve Longerbeam 171619a81c14SSteve Longerbeam cap_maxband = (int)((cap_vts - 4) / cap_bandfilt); 171719a81c14SSteve Longerbeam 171819a81c14SSteve Longerbeam /* calculate capture shutter/gain16 */ 171919a81c14SSteve Longerbeam if (average > sensor->ae_low && average < sensor->ae_high) { 172019a81c14SSteve Longerbeam /* in stable range */ 172119a81c14SSteve Longerbeam cap_gain16_shutter = 172219a81c14SSteve Longerbeam prev_gain16 * prev_shutter * 172319a81c14SSteve Longerbeam cap_sysclk / sensor->prev_sysclk * 172419a81c14SSteve Longerbeam sensor->prev_hts / cap_hts * 172519a81c14SSteve Longerbeam sensor->ae_target / average; 172619a81c14SSteve Longerbeam } else { 172719a81c14SSteve Longerbeam cap_gain16_shutter = 172819a81c14SSteve Longerbeam prev_gain16 * prev_shutter * 172919a81c14SSteve Longerbeam cap_sysclk / sensor->prev_sysclk * 173019a81c14SSteve Longerbeam sensor->prev_hts / cap_hts; 173119a81c14SSteve Longerbeam } 173219a81c14SSteve Longerbeam 173319a81c14SSteve Longerbeam /* gain to shutter */ 173419a81c14SSteve Longerbeam if (cap_gain16_shutter < (cap_bandfilt * 16)) { 173519a81c14SSteve Longerbeam /* shutter < 1/100 */ 173619a81c14SSteve Longerbeam cap_shutter = cap_gain16_shutter / 16; 173719a81c14SSteve Longerbeam if (cap_shutter < 1) 173819a81c14SSteve Longerbeam cap_shutter = 1; 173919a81c14SSteve Longerbeam 174019a81c14SSteve Longerbeam cap_gain16 = cap_gain16_shutter / cap_shutter; 174119a81c14SSteve Longerbeam if (cap_gain16 < 16) 174219a81c14SSteve Longerbeam cap_gain16 = 16; 174319a81c14SSteve Longerbeam } else { 174419a81c14SSteve Longerbeam if (cap_gain16_shutter > (cap_bandfilt * cap_maxband * 16)) { 174519a81c14SSteve Longerbeam /* exposure reach max */ 174619a81c14SSteve Longerbeam cap_shutter = cap_bandfilt * cap_maxband; 174719a81c14SSteve Longerbeam if (!cap_shutter) 174819a81c14SSteve Longerbeam return -EINVAL; 174919a81c14SSteve Longerbeam 175019a81c14SSteve Longerbeam cap_gain16 = cap_gain16_shutter / cap_shutter; 175119a81c14SSteve Longerbeam } else { 175219a81c14SSteve Longerbeam /* 1/100 < (cap_shutter = n/100) =< max */ 175319a81c14SSteve Longerbeam cap_shutter = 175419a81c14SSteve Longerbeam ((int)(cap_gain16_shutter / 16 / cap_bandfilt)) 175519a81c14SSteve Longerbeam * cap_bandfilt; 175619a81c14SSteve Longerbeam if (!cap_shutter) 175719a81c14SSteve Longerbeam return -EINVAL; 175819a81c14SSteve Longerbeam 175919a81c14SSteve Longerbeam cap_gain16 = cap_gain16_shutter / cap_shutter; 176019a81c14SSteve Longerbeam } 176119a81c14SSteve Longerbeam } 176219a81c14SSteve Longerbeam 176319a81c14SSteve Longerbeam /* set capture gain */ 17643cca8ef5SHugues Fruchet ret = ov5640_set_gain(sensor, cap_gain16); 176519a81c14SSteve Longerbeam if (ret) 176619a81c14SSteve Longerbeam return ret; 176719a81c14SSteve Longerbeam 176819a81c14SSteve Longerbeam /* write capture shutter */ 176919a81c14SSteve Longerbeam if (cap_shutter > (cap_vts - 4)) { 177019a81c14SSteve Longerbeam cap_vts = cap_shutter + 4; 177119a81c14SSteve Longerbeam ret = ov5640_set_vts(sensor, cap_vts); 177219a81c14SSteve Longerbeam if (ret < 0) 177319a81c14SSteve Longerbeam return ret; 177419a81c14SSteve Longerbeam } 177519a81c14SSteve Longerbeam 177619a81c14SSteve Longerbeam /* set exposure */ 17773cca8ef5SHugues Fruchet return ov5640_set_exposure(sensor, cap_shutter); 177819a81c14SSteve Longerbeam } 177919a81c14SSteve Longerbeam 178019a81c14SSteve Longerbeam /* 178119a81c14SSteve Longerbeam * if sensor changes inside scaling or subsampling 178219a81c14SSteve Longerbeam * change mode directly 178319a81c14SSteve Longerbeam */ 178419a81c14SSteve Longerbeam static int ov5640_set_mode_direct(struct ov5640_dev *sensor, 17853cca8ef5SHugues Fruchet const struct ov5640_mode_info *mode) 178619a81c14SSteve Longerbeam { 178741d8d7f5SHugues Fruchet if (!mode->reg_data) 178819a81c14SSteve Longerbeam return -EINVAL; 178919a81c14SSteve Longerbeam 179019a81c14SSteve Longerbeam /* Write capture setting */ 17913cca8ef5SHugues Fruchet return ov5640_load_regs(sensor, mode); 179219a81c14SSteve Longerbeam } 179319a81c14SSteve Longerbeam 1794985cdcb0SHugues Fruchet static int ov5640_set_mode(struct ov5640_dev *sensor) 179519a81c14SSteve Longerbeam { 179619a81c14SSteve Longerbeam const struct ov5640_mode_info *mode = sensor->current_mode; 1797985cdcb0SHugues Fruchet const struct ov5640_mode_info *orig_mode = sensor->last_mode; 179819a81c14SSteve Longerbeam enum ov5640_downsize_mode dn_mode, orig_dn_mode; 17993cca8ef5SHugues Fruchet bool auto_gain = sensor->ctrls.auto_gain->val == 1; 1800dc29a1c1SHugues Fruchet bool auto_exp = sensor->ctrls.auto_exp->val == V4L2_EXPOSURE_AUTO; 1801aa288248SMaxime Ripard unsigned long rate; 180219a81c14SSteve Longerbeam int ret; 180319a81c14SSteve Longerbeam 180419a81c14SSteve Longerbeam dn_mode = mode->dn_mode; 180519a81c14SSteve Longerbeam orig_dn_mode = orig_mode->dn_mode; 180619a81c14SSteve Longerbeam 180719a81c14SSteve Longerbeam /* auto gain and exposure must be turned off when changing modes */ 18083cca8ef5SHugues Fruchet if (auto_gain) { 18093cca8ef5SHugues Fruchet ret = ov5640_set_autogain(sensor, false); 181019a81c14SSteve Longerbeam if (ret) 181119a81c14SSteve Longerbeam return ret; 18123cca8ef5SHugues Fruchet } 1813bf4a4b51SMaxime Ripard 18143cca8ef5SHugues Fruchet if (auto_exp) { 1815dc29a1c1SHugues Fruchet ret = ov5640_set_autoexposure(sensor, false); 181619a81c14SSteve Longerbeam if (ret) 18173cca8ef5SHugues Fruchet goto restore_auto_gain; 18183cca8ef5SHugues Fruchet } 181919a81c14SSteve Longerbeam 1820aa288248SMaxime Ripard /* 1821aa288248SMaxime Ripard * All the formats we support have 16 bits per pixel, seems to require 1822aa288248SMaxime Ripard * the same rate than YUV, so we can just use 16 bpp all the time. 1823aa288248SMaxime Ripard */ 1824cc196e48SBenoit Parrot rate = ov5640_calc_pixel_rate(sensor) * 16; 1825aa288248SMaxime Ripard if (sensor->ep.bus_type == V4L2_MBUS_CSI2_DPHY) { 1826aa288248SMaxime Ripard rate = rate / sensor->ep.bus.mipi_csi2.num_data_lanes; 1827aa288248SMaxime Ripard ret = ov5640_set_mipi_pclk(sensor, rate); 1828aa288248SMaxime Ripard } else { 1829aa288248SMaxime Ripard rate = rate / sensor->ep.bus.parallel.bus_width; 1830aa288248SMaxime Ripard ret = ov5640_set_dvp_pclk(sensor, rate); 1831aa288248SMaxime Ripard } 1832aa288248SMaxime Ripard 1833aa288248SMaxime Ripard if (ret < 0) 1834aa288248SMaxime Ripard return 0; 1835aa288248SMaxime Ripard 183619a81c14SSteve Longerbeam if ((dn_mode == SUBSAMPLING && orig_dn_mode == SCALING) || 183719a81c14SSteve Longerbeam (dn_mode == SCALING && orig_dn_mode == SUBSAMPLING)) { 183819a81c14SSteve Longerbeam /* 183919a81c14SSteve Longerbeam * change between subsampling and scaling 18403cca8ef5SHugues Fruchet * go through exposure calculation 184119a81c14SSteve Longerbeam */ 184219a81c14SSteve Longerbeam ret = ov5640_set_mode_exposure_calc(sensor, mode); 184319a81c14SSteve Longerbeam } else { 184419a81c14SSteve Longerbeam /* 184519a81c14SSteve Longerbeam * change inside subsampling or scaling 184619a81c14SSteve Longerbeam * download firmware directly 184719a81c14SSteve Longerbeam */ 18483cca8ef5SHugues Fruchet ret = ov5640_set_mode_direct(sensor, mode); 184919a81c14SSteve Longerbeam } 185019a81c14SSteve Longerbeam if (ret < 0) 18513cca8ef5SHugues Fruchet goto restore_auto_exp_gain; 18523cca8ef5SHugues Fruchet 18533cca8ef5SHugues Fruchet /* restore auto gain and exposure */ 18543cca8ef5SHugues Fruchet if (auto_gain) 18553cca8ef5SHugues Fruchet ov5640_set_autogain(sensor, true); 18563cca8ef5SHugues Fruchet if (auto_exp) 18573cca8ef5SHugues Fruchet ov5640_set_autoexposure(sensor, true); 185819a81c14SSteve Longerbeam 1859ce85705aSHugues Fruchet ret = ov5640_set_binning(sensor, dn_mode != SCALING); 1860ce85705aSHugues Fruchet if (ret < 0) 1861ce85705aSHugues Fruchet return ret; 186219a81c14SSteve Longerbeam ret = ov5640_set_ae_target(sensor, sensor->ae_target); 186319a81c14SSteve Longerbeam if (ret < 0) 186419a81c14SSteve Longerbeam return ret; 186519a81c14SSteve Longerbeam ret = ov5640_get_light_freq(sensor); 186619a81c14SSteve Longerbeam if (ret < 0) 186719a81c14SSteve Longerbeam return ret; 186819a81c14SSteve Longerbeam ret = ov5640_set_bandingfilter(sensor); 186919a81c14SSteve Longerbeam if (ret < 0) 187019a81c14SSteve Longerbeam return ret; 187119a81c14SSteve Longerbeam ret = ov5640_set_virtual_channel(sensor); 187219a81c14SSteve Longerbeam if (ret < 0) 187319a81c14SSteve Longerbeam return ret; 187419a81c14SSteve Longerbeam 187519a81c14SSteve Longerbeam sensor->pending_mode_change = false; 1876985cdcb0SHugues Fruchet sensor->last_mode = mode; 187719a81c14SSteve Longerbeam 187819a81c14SSteve Longerbeam return 0; 18793cca8ef5SHugues Fruchet 18803cca8ef5SHugues Fruchet restore_auto_exp_gain: 18813cca8ef5SHugues Fruchet if (auto_exp) 18823cca8ef5SHugues Fruchet ov5640_set_autoexposure(sensor, true); 18833cca8ef5SHugues Fruchet restore_auto_gain: 18843cca8ef5SHugues Fruchet if (auto_gain) 18853cca8ef5SHugues Fruchet ov5640_set_autogain(sensor, true); 18863cca8ef5SHugues Fruchet 18873cca8ef5SHugues Fruchet return ret; 188819a81c14SSteve Longerbeam } 188919a81c14SSteve Longerbeam 189019ad26f9SAkinobu Mita static int ov5640_set_framefmt(struct ov5640_dev *sensor, 189119ad26f9SAkinobu Mita struct v4l2_mbus_framefmt *format); 189219ad26f9SAkinobu Mita 189319a81c14SSteve Longerbeam /* restore the last set video mode after chip power-on */ 189419a81c14SSteve Longerbeam static int ov5640_restore_mode(struct ov5640_dev *sensor) 189519a81c14SSteve Longerbeam { 189619a81c14SSteve Longerbeam int ret; 189719a81c14SSteve Longerbeam 189819a81c14SSteve Longerbeam /* first load the initial register values */ 189919a81c14SSteve Longerbeam ret = ov5640_load_regs(sensor, &ov5640_mode_init_data); 190019a81c14SSteve Longerbeam if (ret < 0) 190119a81c14SSteve Longerbeam return ret; 1902985cdcb0SHugues Fruchet sensor->last_mode = &ov5640_mode_init_data; 190319a81c14SSteve Longerbeam 19048f57c2f8SMaxime Ripard ret = ov5640_mod_reg(sensor, OV5640_REG_SYS_ROOT_DIVIDER, 0x3f, 19057851fe7aSMaxime Ripard (ilog2(OV5640_SCLK2X_ROOT_DIV) << 2) | 19067851fe7aSMaxime Ripard ilog2(OV5640_SCLK_ROOT_DIV)); 19078f57c2f8SMaxime Ripard if (ret) 19088f57c2f8SMaxime Ripard return ret; 19098f57c2f8SMaxime Ripard 191019a81c14SSteve Longerbeam /* now restore the last capture mode */ 1911985cdcb0SHugues Fruchet ret = ov5640_set_mode(sensor); 191219ad26f9SAkinobu Mita if (ret < 0) 191319ad26f9SAkinobu Mita return ret; 191419ad26f9SAkinobu Mita 191519ad26f9SAkinobu Mita return ov5640_set_framefmt(sensor, &sensor->fmt); 191619a81c14SSteve Longerbeam } 191719a81c14SSteve Longerbeam 191819a81c14SSteve Longerbeam static void ov5640_power(struct ov5640_dev *sensor, bool enable) 191919a81c14SSteve Longerbeam { 19201fddc5daSHugues Fruchet gpiod_set_value_cansleep(sensor->pwdn_gpio, enable ? 0 : 1); 192119a81c14SSteve Longerbeam } 192219a81c14SSteve Longerbeam 192319a81c14SSteve Longerbeam static void ov5640_reset(struct ov5640_dev *sensor) 192419a81c14SSteve Longerbeam { 192519a81c14SSteve Longerbeam if (!sensor->reset_gpio) 192619a81c14SSteve Longerbeam return; 192719a81c14SSteve Longerbeam 19281fddc5daSHugues Fruchet gpiod_set_value_cansleep(sensor->reset_gpio, 0); 192919a81c14SSteve Longerbeam 193019a81c14SSteve Longerbeam /* camera power cycle */ 193119a81c14SSteve Longerbeam ov5640_power(sensor, false); 193219a81c14SSteve Longerbeam usleep_range(5000, 10000); 193319a81c14SSteve Longerbeam ov5640_power(sensor, true); 193419a81c14SSteve Longerbeam usleep_range(5000, 10000); 193519a81c14SSteve Longerbeam 19361fddc5daSHugues Fruchet gpiod_set_value_cansleep(sensor->reset_gpio, 1); 193719a81c14SSteve Longerbeam usleep_range(1000, 2000); 193819a81c14SSteve Longerbeam 19391fddc5daSHugues Fruchet gpiod_set_value_cansleep(sensor->reset_gpio, 0); 19401d4c41f3SLoic Poulain usleep_range(20000, 25000); 194119a81c14SSteve Longerbeam } 194219a81c14SSteve Longerbeam 19430f7acb52SHugues Fruchet static int ov5640_set_power_on(struct ov5640_dev *sensor) 194419a81c14SSteve Longerbeam { 19450f7acb52SHugues Fruchet struct i2c_client *client = sensor->i2c_client; 19460f7acb52SHugues Fruchet int ret; 194719a81c14SSteve Longerbeam 19480f7acb52SHugues Fruchet ret = clk_prepare_enable(sensor->xclk); 19490f7acb52SHugues Fruchet if (ret) { 19500f7acb52SHugues Fruchet dev_err(&client->dev, "%s: failed to enable clock\n", 19510f7acb52SHugues Fruchet __func__); 19520f7acb52SHugues Fruchet return ret; 19530f7acb52SHugues Fruchet } 195419a81c14SSteve Longerbeam 195519a81c14SSteve Longerbeam ret = regulator_bulk_enable(OV5640_NUM_SUPPLIES, 195619a81c14SSteve Longerbeam sensor->supplies); 19570f7acb52SHugues Fruchet if (ret) { 19580f7acb52SHugues Fruchet dev_err(&client->dev, "%s: failed to enable regulators\n", 19590f7acb52SHugues Fruchet __func__); 196019a81c14SSteve Longerbeam goto xclk_off; 19610f7acb52SHugues Fruchet } 196219a81c14SSteve Longerbeam 196319a81c14SSteve Longerbeam ov5640_reset(sensor); 196419a81c14SSteve Longerbeam ov5640_power(sensor, true); 196519a81c14SSteve Longerbeam 196619a81c14SSteve Longerbeam ret = ov5640_init_slave_id(sensor); 196719a81c14SSteve Longerbeam if (ret) 196819a81c14SSteve Longerbeam goto power_off; 196919a81c14SSteve Longerbeam 19700f7acb52SHugues Fruchet return 0; 19710f7acb52SHugues Fruchet 19720f7acb52SHugues Fruchet power_off: 19730f7acb52SHugues Fruchet ov5640_power(sensor, false); 19740f7acb52SHugues Fruchet regulator_bulk_disable(OV5640_NUM_SUPPLIES, sensor->supplies); 19750f7acb52SHugues Fruchet xclk_off: 19760f7acb52SHugues Fruchet clk_disable_unprepare(sensor->xclk); 19770f7acb52SHugues Fruchet return ret; 19780f7acb52SHugues Fruchet } 19790f7acb52SHugues Fruchet 19800f7acb52SHugues Fruchet static void ov5640_set_power_off(struct ov5640_dev *sensor) 19810f7acb52SHugues Fruchet { 19820f7acb52SHugues Fruchet ov5640_power(sensor, false); 19830f7acb52SHugues Fruchet regulator_bulk_disable(OV5640_NUM_SUPPLIES, sensor->supplies); 19840f7acb52SHugues Fruchet clk_disable_unprepare(sensor->xclk); 19850f7acb52SHugues Fruchet } 19860f7acb52SHugues Fruchet 1987b1751ae6SLad Prabhakar static int ov5640_set_power_mipi(struct ov5640_dev *sensor, bool on) 1988b1751ae6SLad Prabhakar { 1989b1751ae6SLad Prabhakar int ret; 1990b1751ae6SLad Prabhakar 1991b1751ae6SLad Prabhakar if (!on) { 1992b1751ae6SLad Prabhakar /* Reset MIPI bus settings to their default values. */ 1993b1751ae6SLad Prabhakar ov5640_write_reg(sensor, OV5640_REG_IO_MIPI_CTRL00, 0x58); 1994b1751ae6SLad Prabhakar ov5640_write_reg(sensor, OV5640_REG_MIPI_CTRL00, 0x04); 1995b1751ae6SLad Prabhakar ov5640_write_reg(sensor, OV5640_REG_PAD_OUTPUT00, 0x00); 1996b1751ae6SLad Prabhakar return 0; 1997b1751ae6SLad Prabhakar } 1998b1751ae6SLad Prabhakar 1999b1751ae6SLad Prabhakar /* 2000b1751ae6SLad Prabhakar * Power up MIPI HS Tx and LS Rx; 2 data lanes mode 2001b1751ae6SLad Prabhakar * 2002b1751ae6SLad Prabhakar * 0x300e = 0x40 2003b1751ae6SLad Prabhakar * [7:5] = 010 : 2 data lanes mode (see FIXME note in 2004b1751ae6SLad Prabhakar * "ov5640_set_stream_mipi()") 2005b1751ae6SLad Prabhakar * [4] = 0 : Power up MIPI HS Tx 2006b1751ae6SLad Prabhakar * [3] = 0 : Power up MIPI LS Rx 2007b1751ae6SLad Prabhakar * [2] = 0 : MIPI interface disabled 2008b1751ae6SLad Prabhakar */ 2009b1751ae6SLad Prabhakar ret = ov5640_write_reg(sensor, OV5640_REG_IO_MIPI_CTRL00, 0x40); 2010b1751ae6SLad Prabhakar if (ret) 2011b1751ae6SLad Prabhakar return ret; 2012b1751ae6SLad Prabhakar 2013b1751ae6SLad Prabhakar /* 2014b1751ae6SLad Prabhakar * Gate clock and set LP11 in 'no packets mode' (idle) 2015b1751ae6SLad Prabhakar * 2016b1751ae6SLad Prabhakar * 0x4800 = 0x24 2017b1751ae6SLad Prabhakar * [5] = 1 : Gate clock when 'no packets' 2018b1751ae6SLad Prabhakar * [2] = 1 : MIPI bus in LP11 when 'no packets' 2019b1751ae6SLad Prabhakar */ 2020b1751ae6SLad Prabhakar ret = ov5640_write_reg(sensor, OV5640_REG_MIPI_CTRL00, 0x24); 2021b1751ae6SLad Prabhakar if (ret) 2022b1751ae6SLad Prabhakar return ret; 2023b1751ae6SLad Prabhakar 2024b1751ae6SLad Prabhakar /* 2025b1751ae6SLad Prabhakar * Set data lanes and clock in LP11 when 'sleeping' 2026b1751ae6SLad Prabhakar * 2027b1751ae6SLad Prabhakar * 0x3019 = 0x70 2028b1751ae6SLad Prabhakar * [6] = 1 : MIPI data lane 2 in LP11 when 'sleeping' 2029b1751ae6SLad Prabhakar * [5] = 1 : MIPI data lane 1 in LP11 when 'sleeping' 2030b1751ae6SLad Prabhakar * [4] = 1 : MIPI clock lane in LP11 when 'sleeping' 2031b1751ae6SLad Prabhakar */ 2032b1751ae6SLad Prabhakar ret = ov5640_write_reg(sensor, OV5640_REG_PAD_OUTPUT00, 0x70); 2033b1751ae6SLad Prabhakar if (ret) 2034b1751ae6SLad Prabhakar return ret; 2035b1751ae6SLad Prabhakar 2036b1751ae6SLad Prabhakar /* Give lanes some time to coax into LP11 state. */ 2037b1751ae6SLad Prabhakar usleep_range(500, 1000); 2038b1751ae6SLad Prabhakar 2039b1751ae6SLad Prabhakar return 0; 2040b1751ae6SLad Prabhakar } 2041b1751ae6SLad Prabhakar 2042576f5d4bSLad Prabhakar static int ov5640_set_power_dvp(struct ov5640_dev *sensor, bool on) 2043576f5d4bSLad Prabhakar { 2044311a6408SLad Prabhakar unsigned int flags = sensor->ep.bus.parallel.flags; 204568579b32SHugues Fruchet bool bt656 = sensor->ep.bus_type == V4L2_MBUS_BT656; 204668579b32SHugues Fruchet u8 polarities = 0; 2047576f5d4bSLad Prabhakar int ret; 2048576f5d4bSLad Prabhakar 2049576f5d4bSLad Prabhakar if (!on) { 2050576f5d4bSLad Prabhakar /* Reset settings to their default values. */ 205168579b32SHugues Fruchet ov5640_write_reg(sensor, OV5640_REG_CCIR656_CTRL00, 0x00); 2052311a6408SLad Prabhakar ov5640_write_reg(sensor, OV5640_REG_IO_MIPI_CTRL00, 0x58); 2053311a6408SLad Prabhakar ov5640_write_reg(sensor, OV5640_REG_POLARITY_CTRL00, 0x20); 2054576f5d4bSLad Prabhakar ov5640_write_reg(sensor, OV5640_REG_PAD_OUTPUT_ENABLE01, 0x00); 2055576f5d4bSLad Prabhakar ov5640_write_reg(sensor, OV5640_REG_PAD_OUTPUT_ENABLE02, 0x00); 2056576f5d4bSLad Prabhakar return 0; 2057576f5d4bSLad Prabhakar } 2058576f5d4bSLad Prabhakar 2059576f5d4bSLad Prabhakar /* 2060311a6408SLad Prabhakar * Note about parallel port configuration. 2061311a6408SLad Prabhakar * 2062311a6408SLad Prabhakar * When configured in parallel mode, the OV5640 will 2063311a6408SLad Prabhakar * output 10 bits data on DVP data lines [9:0]. 2064311a6408SLad Prabhakar * If only 8 bits data are wanted, the 8 bits data lines 2065311a6408SLad Prabhakar * of the camera interface must be physically connected 2066311a6408SLad Prabhakar * on the DVP data lines [9:2]. 2067311a6408SLad Prabhakar * 2068311a6408SLad Prabhakar * Control lines polarity can be configured through 2069311a6408SLad Prabhakar * devicetree endpoint control lines properties. 2070311a6408SLad Prabhakar * If no endpoint control lines properties are set, 2071311a6408SLad Prabhakar * polarity will be as below: 2072311a6408SLad Prabhakar * - VSYNC: active high 2073311a6408SLad Prabhakar * - HREF: active low 2074311a6408SLad Prabhakar * - PCLK: active low 207568579b32SHugues Fruchet * 207668579b32SHugues Fruchet * VSYNC & HREF are not configured if BT656 bus mode is selected 2077311a6408SLad Prabhakar */ 207868579b32SHugues Fruchet 207968579b32SHugues Fruchet /* 208068579b32SHugues Fruchet * BT656 embedded synchronization configuration 208168579b32SHugues Fruchet * 208268579b32SHugues Fruchet * CCIR656 CTRL00 208368579b32SHugues Fruchet * - [7]: SYNC code selection (0: auto generate sync code, 208468579b32SHugues Fruchet * 1: sync code from regs 0x4732-0x4735) 208568579b32SHugues Fruchet * - [6]: f value in CCIR656 SYNC code when fixed f value 208668579b32SHugues Fruchet * - [5]: Fixed f value 208768579b32SHugues Fruchet * - [4:3]: Blank toggle data options (00: data=1'h040/1'h200, 208868579b32SHugues Fruchet * 01: data from regs 0x4736-0x4738, 10: always keep 0) 208968579b32SHugues Fruchet * - [1]: Clip data disable 209068579b32SHugues Fruchet * - [0]: CCIR656 mode enable 209168579b32SHugues Fruchet * 209268579b32SHugues Fruchet * Default CCIR656 SAV/EAV mode with default codes 209368579b32SHugues Fruchet * SAV=0xff000080 & EAV=0xff00009d is enabled here with settings: 209468579b32SHugues Fruchet * - CCIR656 mode enable 209568579b32SHugues Fruchet * - auto generation of sync codes 209668579b32SHugues Fruchet * - blank toggle data 1'h040/1'h200 209768579b32SHugues Fruchet * - clip reserved data (0x00 & 0xff changed to 0x01 & 0xfe) 209868579b32SHugues Fruchet */ 209968579b32SHugues Fruchet ret = ov5640_write_reg(sensor, OV5640_REG_CCIR656_CTRL00, 210068579b32SHugues Fruchet bt656 ? 0x01 : 0x00); 210168579b32SHugues Fruchet if (ret) 210268579b32SHugues Fruchet return ret; 210368579b32SHugues Fruchet 2104311a6408SLad Prabhakar /* 2105311a6408SLad Prabhakar * configure parallel port control lines polarity 2106311a6408SLad Prabhakar * 2107311a6408SLad Prabhakar * POLARITY CTRL0 2108311a6408SLad Prabhakar * - [5]: PCLK polarity (0: active low, 1: active high) 2109311a6408SLad Prabhakar * - [1]: HREF polarity (0: active low, 1: active high) 2110311a6408SLad Prabhakar * - [0]: VSYNC polarity (mismatch here between 2111311a6408SLad Prabhakar * datasheet and hardware, 0 is active high 2112311a6408SLad Prabhakar * and 1 is active low...) 2113311a6408SLad Prabhakar */ 211468579b32SHugues Fruchet if (!bt656) { 2115311a6408SLad Prabhakar if (flags & V4L2_MBUS_HSYNC_ACTIVE_HIGH) 211668579b32SHugues Fruchet polarities |= BIT(1); 2117311a6408SLad Prabhakar if (flags & V4L2_MBUS_VSYNC_ACTIVE_LOW) 211868579b32SHugues Fruchet polarities |= BIT(0); 211968579b32SHugues Fruchet } 212068579b32SHugues Fruchet if (flags & V4L2_MBUS_PCLK_SAMPLE_RISING) 212168579b32SHugues Fruchet polarities |= BIT(5); 2122311a6408SLad Prabhakar 212368579b32SHugues Fruchet ret = ov5640_write_reg(sensor, OV5640_REG_POLARITY_CTRL00, polarities); 2124311a6408SLad Prabhakar if (ret) 2125311a6408SLad Prabhakar return ret; 2126311a6408SLad Prabhakar 2127311a6408SLad Prabhakar /* 212868579b32SHugues Fruchet * powerdown MIPI TX/RX PHY & enable DVP 2129311a6408SLad Prabhakar * 2130311a6408SLad Prabhakar * MIPI CONTROL 00 213168579b32SHugues Fruchet * [4] = 1 : Power down MIPI HS Tx 213268579b32SHugues Fruchet * [3] = 1 : Power down MIPI LS Rx 213368579b32SHugues Fruchet * [2] = 0 : DVP enable (MIPI disable) 2134311a6408SLad Prabhakar */ 2135311a6408SLad Prabhakar ret = ov5640_write_reg(sensor, OV5640_REG_IO_MIPI_CTRL00, 0x18); 2136311a6408SLad Prabhakar if (ret) 2137311a6408SLad Prabhakar return ret; 2138311a6408SLad Prabhakar 2139311a6408SLad Prabhakar /* 2140576f5d4bSLad Prabhakar * enable VSYNC/HREF/PCLK DVP control lines 2141576f5d4bSLad Prabhakar * & D[9:6] DVP data lines 2142576f5d4bSLad Prabhakar * 2143576f5d4bSLad Prabhakar * PAD OUTPUT ENABLE 01 2144576f5d4bSLad Prabhakar * - 6: VSYNC output enable 2145576f5d4bSLad Prabhakar * - 5: HREF output enable 2146576f5d4bSLad Prabhakar * - 4: PCLK output enable 2147576f5d4bSLad Prabhakar * - [3:0]: D[9:6] output enable 2148576f5d4bSLad Prabhakar */ 21494039b037SLad Prabhakar ret = ov5640_write_reg(sensor, OV5640_REG_PAD_OUTPUT_ENABLE01, 215068579b32SHugues Fruchet bt656 ? 0x1f : 0x7f); 2151576f5d4bSLad Prabhakar if (ret) 2152576f5d4bSLad Prabhakar return ret; 2153576f5d4bSLad Prabhakar 2154576f5d4bSLad Prabhakar /* 2155576f5d4bSLad Prabhakar * enable D[5:0] DVP data lines 2156576f5d4bSLad Prabhakar * 2157576f5d4bSLad Prabhakar * PAD OUTPUT ENABLE 02 2158576f5d4bSLad Prabhakar * - [7:2]: D[5:0] output enable 2159576f5d4bSLad Prabhakar */ 2160576f5d4bSLad Prabhakar return ov5640_write_reg(sensor, OV5640_REG_PAD_OUTPUT_ENABLE02, 0xfc); 2161576f5d4bSLad Prabhakar } 2162576f5d4bSLad Prabhakar 21630f7acb52SHugues Fruchet static int ov5640_set_power(struct ov5640_dev *sensor, bool on) 21640f7acb52SHugues Fruchet { 21650f7acb52SHugues Fruchet int ret = 0; 21660f7acb52SHugues Fruchet 21670f7acb52SHugues Fruchet if (on) { 21680f7acb52SHugues Fruchet ret = ov5640_set_power_on(sensor); 21690f7acb52SHugues Fruchet if (ret) 21700f7acb52SHugues Fruchet return ret; 21710f7acb52SHugues Fruchet 217219a81c14SSteve Longerbeam ret = ov5640_restore_mode(sensor); 217319a81c14SSteve Longerbeam if (ret) 217419a81c14SSteve Longerbeam goto power_off; 2175b1751ae6SLad Prabhakar } 217619a81c14SSteve Longerbeam 2177576f5d4bSLad Prabhakar if (sensor->ep.bus_type == V4L2_MBUS_CSI2_DPHY) 2178b1751ae6SLad Prabhakar ret = ov5640_set_power_mipi(sensor, on); 2179576f5d4bSLad Prabhakar else 2180576f5d4bSLad Prabhakar ret = ov5640_set_power_dvp(sensor, on); 2181b1751ae6SLad Prabhakar if (ret) 2182b1751ae6SLad Prabhakar goto power_off; 2183aa4bb8b8SJacopo Mondi 2184b1751ae6SLad Prabhakar if (!on) 2185aa4bb8b8SJacopo Mondi ov5640_set_power_off(sensor); 218619a81c14SSteve Longerbeam 218719a81c14SSteve Longerbeam return 0; 218819a81c14SSteve Longerbeam 218919a81c14SSteve Longerbeam power_off: 21900f7acb52SHugues Fruchet ov5640_set_power_off(sensor); 219119a81c14SSteve Longerbeam return ret; 219219a81c14SSteve Longerbeam } 219319a81c14SSteve Longerbeam 219419a81c14SSteve Longerbeam /* --------------- Subdev Operations --------------- */ 219519a81c14SSteve Longerbeam 219619a81c14SSteve Longerbeam static int ov5640_s_power(struct v4l2_subdev *sd, int on) 219719a81c14SSteve Longerbeam { 219819a81c14SSteve Longerbeam struct ov5640_dev *sensor = to_ov5640_dev(sd); 219919a81c14SSteve Longerbeam int ret = 0; 220019a81c14SSteve Longerbeam 220119a81c14SSteve Longerbeam mutex_lock(&sensor->lock); 220219a81c14SSteve Longerbeam 220319a81c14SSteve Longerbeam /* 220419a81c14SSteve Longerbeam * If the power count is modified from 0 to != 0 or from != 0 to 0, 220519a81c14SSteve Longerbeam * update the power state. 220619a81c14SSteve Longerbeam */ 220719a81c14SSteve Longerbeam if (sensor->power_count == !on) { 220819a81c14SSteve Longerbeam ret = ov5640_set_power(sensor, !!on); 220919a81c14SSteve Longerbeam if (ret) 221019a81c14SSteve Longerbeam goto out; 221119a81c14SSteve Longerbeam } 221219a81c14SSteve Longerbeam 221319a81c14SSteve Longerbeam /* Update the power count. */ 221419a81c14SSteve Longerbeam sensor->power_count += on ? 1 : -1; 221519a81c14SSteve Longerbeam WARN_ON(sensor->power_count < 0); 221619a81c14SSteve Longerbeam out: 221719a81c14SSteve Longerbeam mutex_unlock(&sensor->lock); 221819a81c14SSteve Longerbeam 221919a81c14SSteve Longerbeam if (on && !ret && sensor->power_count == 1) { 222019a81c14SSteve Longerbeam /* restore controls */ 222119a81c14SSteve Longerbeam ret = v4l2_ctrl_handler_setup(&sensor->ctrls.handler); 222219a81c14SSteve Longerbeam } 222319a81c14SSteve Longerbeam 222419a81c14SSteve Longerbeam return ret; 222519a81c14SSteve Longerbeam } 222619a81c14SSteve Longerbeam 222719a81c14SSteve Longerbeam static int ov5640_try_frame_interval(struct ov5640_dev *sensor, 222819a81c14SSteve Longerbeam struct v4l2_fract *fi, 222919a81c14SSteve Longerbeam u32 width, u32 height) 223019a81c14SSteve Longerbeam { 223119a81c14SSteve Longerbeam const struct ov5640_mode_info *mode; 22326530a5ebSJagan Teki enum ov5640_frame_rate rate = OV5640_15_FPS; 2233f6cc192fSMaxime Ripard int minfps, maxfps, best_fps, fps; 2234f6cc192fSMaxime Ripard int i; 223519a81c14SSteve Longerbeam 223619a81c14SSteve Longerbeam minfps = ov5640_framerates[OV5640_15_FPS]; 2237e823fb16SMaxime Ripard maxfps = ov5640_framerates[OV5640_60_FPS]; 223819a81c14SSteve Longerbeam 223919a81c14SSteve Longerbeam if (fi->numerator == 0) { 224019a81c14SSteve Longerbeam fi->denominator = maxfps; 224119a81c14SSteve Longerbeam fi->numerator = 1; 2242e823fb16SMaxime Ripard rate = OV5640_60_FPS; 2243e823fb16SMaxime Ripard goto find_mode; 224419a81c14SSteve Longerbeam } 224519a81c14SSteve Longerbeam 2246f6cc192fSMaxime Ripard fps = clamp_val(DIV_ROUND_CLOSEST(fi->denominator, fi->numerator), 2247f6cc192fSMaxime Ripard minfps, maxfps); 2248f6cc192fSMaxime Ripard 2249f6cc192fSMaxime Ripard best_fps = minfps; 2250f6cc192fSMaxime Ripard for (i = 0; i < ARRAY_SIZE(ov5640_framerates); i++) { 2251f6cc192fSMaxime Ripard int curr_fps = ov5640_framerates[i]; 2252f6cc192fSMaxime Ripard 2253f6cc192fSMaxime Ripard if (abs(curr_fps - fps) < abs(best_fps - fps)) { 2254f6cc192fSMaxime Ripard best_fps = curr_fps; 2255f6cc192fSMaxime Ripard rate = i; 2256f6cc192fSMaxime Ripard } 2257f6cc192fSMaxime Ripard } 225819a81c14SSteve Longerbeam 225919a81c14SSteve Longerbeam fi->numerator = 1; 2260f6cc192fSMaxime Ripard fi->denominator = best_fps; 226119a81c14SSteve Longerbeam 2262e823fb16SMaxime Ripard find_mode: 22635a3ad937SMaxime Ripard mode = ov5640_find_mode(sensor, rate, width, height, false); 22645a3ad937SMaxime Ripard return mode ? rate : -EINVAL; 226519a81c14SSteve Longerbeam } 226619a81c14SSteve Longerbeam 226719a81c14SSteve Longerbeam static int ov5640_get_fmt(struct v4l2_subdev *sd, 22680d346d2aSTomi Valkeinen struct v4l2_subdev_state *sd_state, 226919a81c14SSteve Longerbeam struct v4l2_subdev_format *format) 227019a81c14SSteve Longerbeam { 227119a81c14SSteve Longerbeam struct ov5640_dev *sensor = to_ov5640_dev(sd); 227219a81c14SSteve Longerbeam struct v4l2_mbus_framefmt *fmt; 227319a81c14SSteve Longerbeam 227419a81c14SSteve Longerbeam if (format->pad != 0) 227519a81c14SSteve Longerbeam return -EINVAL; 227619a81c14SSteve Longerbeam 227719a81c14SSteve Longerbeam mutex_lock(&sensor->lock); 227819a81c14SSteve Longerbeam 227919a81c14SSteve Longerbeam if (format->which == V4L2_SUBDEV_FORMAT_TRY) 22800d346d2aSTomi Valkeinen fmt = v4l2_subdev_get_try_format(&sensor->sd, sd_state, 228119a81c14SSteve Longerbeam format->pad); 228219a81c14SSteve Longerbeam else 228319a81c14SSteve Longerbeam fmt = &sensor->fmt; 228419a81c14SSteve Longerbeam 228519a81c14SSteve Longerbeam format->format = *fmt; 228619a81c14SSteve Longerbeam 228719a81c14SSteve Longerbeam mutex_unlock(&sensor->lock); 228819a81c14SSteve Longerbeam 228919a81c14SSteve Longerbeam return 0; 229019a81c14SSteve Longerbeam } 229119a81c14SSteve Longerbeam 229219a81c14SSteve Longerbeam static int ov5640_try_fmt_internal(struct v4l2_subdev *sd, 229319a81c14SSteve Longerbeam struct v4l2_mbus_framefmt *fmt, 229419a81c14SSteve Longerbeam enum ov5640_frame_rate fr, 229519a81c14SSteve Longerbeam const struct ov5640_mode_info **new_mode) 229619a81c14SSteve Longerbeam { 229719a81c14SSteve Longerbeam struct ov5640_dev *sensor = to_ov5640_dev(sd); 229819a81c14SSteve Longerbeam const struct ov5640_mode_info *mode; 2299e3ee691dSHugues Fruchet int i; 230019a81c14SSteve Longerbeam 230119a81c14SSteve Longerbeam mode = ov5640_find_mode(sensor, fr, fmt->width, fmt->height, true); 230219a81c14SSteve Longerbeam if (!mode) 230319a81c14SSteve Longerbeam return -EINVAL; 2304dba13a0bSMaxime Ripard fmt->width = mode->hact; 2305dba13a0bSMaxime Ripard fmt->height = mode->vact; 230619a81c14SSteve Longerbeam 230719a81c14SSteve Longerbeam if (new_mode) 230819a81c14SSteve Longerbeam *new_mode = mode; 2309e3ee691dSHugues Fruchet 2310e3ee691dSHugues Fruchet for (i = 0; i < ARRAY_SIZE(ov5640_formats); i++) 2311e3ee691dSHugues Fruchet if (ov5640_formats[i].code == fmt->code) 2312e3ee691dSHugues Fruchet break; 2313e3ee691dSHugues Fruchet if (i >= ARRAY_SIZE(ov5640_formats)) 2314e6441fdeSHugues Fruchet i = 0; 2315e6441fdeSHugues Fruchet 2316e6441fdeSHugues Fruchet fmt->code = ov5640_formats[i].code; 2317e6441fdeSHugues Fruchet fmt->colorspace = ov5640_formats[i].colorspace; 2318e6441fdeSHugues Fruchet fmt->ycbcr_enc = V4L2_MAP_YCBCR_ENC_DEFAULT(fmt->colorspace); 2319e6441fdeSHugues Fruchet fmt->quantization = V4L2_QUANTIZATION_FULL_RANGE; 2320e6441fdeSHugues Fruchet fmt->xfer_func = V4L2_MAP_XFER_FUNC_DEFAULT(fmt->colorspace); 2321e3ee691dSHugues Fruchet 232219a81c14SSteve Longerbeam return 0; 232319a81c14SSteve Longerbeam } 232419a81c14SSteve Longerbeam 232519a81c14SSteve Longerbeam static int ov5640_set_fmt(struct v4l2_subdev *sd, 23260d346d2aSTomi Valkeinen struct v4l2_subdev_state *sd_state, 232719a81c14SSteve Longerbeam struct v4l2_subdev_format *format) 232819a81c14SSteve Longerbeam { 232919a81c14SSteve Longerbeam struct ov5640_dev *sensor = to_ov5640_dev(sd); 233019a81c14SSteve Longerbeam const struct ov5640_mode_info *new_mode; 2331e6441fdeSHugues Fruchet struct v4l2_mbus_framefmt *mbus_fmt = &format->format; 233219a81c14SSteve Longerbeam int ret; 233319a81c14SSteve Longerbeam 233419a81c14SSteve Longerbeam if (format->pad != 0) 233519a81c14SSteve Longerbeam return -EINVAL; 233619a81c14SSteve Longerbeam 233719a81c14SSteve Longerbeam mutex_lock(&sensor->lock); 233819a81c14SSteve Longerbeam 233919a81c14SSteve Longerbeam if (sensor->streaming) { 234019a81c14SSteve Longerbeam ret = -EBUSY; 234119a81c14SSteve Longerbeam goto out; 234219a81c14SSteve Longerbeam } 234319a81c14SSteve Longerbeam 2344e6441fdeSHugues Fruchet ret = ov5640_try_fmt_internal(sd, mbus_fmt, 234519a81c14SSteve Longerbeam sensor->current_fr, &new_mode); 234619a81c14SSteve Longerbeam if (ret) 234719a81c14SSteve Longerbeam goto out; 234819a81c14SSteve Longerbeam 2349e738f5ddSMirela Rabulea if (format->which == V4L2_SUBDEV_FORMAT_TRY) { 2350e738f5ddSMirela Rabulea *v4l2_subdev_get_try_format(sd, sd_state, 0) = *mbus_fmt; 2351e738f5ddSMirela Rabulea goto out; 2352e738f5ddSMirela Rabulea } 235319a81c14SSteve Longerbeam 23546949d864SHugues Fruchet if (new_mode != sensor->current_mode) { 235519a81c14SSteve Longerbeam sensor->current_mode = new_mode; 235619a81c14SSteve Longerbeam sensor->pending_mode_change = true; 23576949d864SHugues Fruchet } 235807115449SJacopo Mondi if (mbus_fmt->code != sensor->fmt.code) 2359fb98e29fSHugues Fruchet sensor->pending_fmt_change = true; 236007115449SJacopo Mondi 2361e738f5ddSMirela Rabulea /* update format even if code is unchanged, resolution might change */ 2362e738f5ddSMirela Rabulea sensor->fmt = *mbus_fmt; 2363e738f5ddSMirela Rabulea 2364cc196e48SBenoit Parrot __v4l2_ctrl_s_ctrl_int64(sensor->ctrls.pixel_rate, 2365cc196e48SBenoit Parrot ov5640_calc_pixel_rate(sensor)); 236619a81c14SSteve Longerbeam out: 236719a81c14SSteve Longerbeam mutex_unlock(&sensor->lock); 236819a81c14SSteve Longerbeam return ret; 236919a81c14SSteve Longerbeam } 237019a81c14SSteve Longerbeam 2371e3ee691dSHugues Fruchet static int ov5640_set_framefmt(struct ov5640_dev *sensor, 2372e3ee691dSHugues Fruchet struct v4l2_mbus_framefmt *format) 2373e3ee691dSHugues Fruchet { 2374e3ee691dSHugues Fruchet int ret = 0; 2375d47c4126SHugues Fruchet bool is_jpeg = false; 2376b7ed3abdSLoic Poulain u8 fmt, mux; 2377e3ee691dSHugues Fruchet 2378e3ee691dSHugues Fruchet switch (format->code) { 23791536fbdbSXavier Roumegue case MEDIA_BUS_FMT_UYVY8_1X16: 2380e3ee691dSHugues Fruchet case MEDIA_BUS_FMT_UYVY8_2X8: 2381e3ee691dSHugues Fruchet /* YUV422, UYVY */ 2382b7ed3abdSLoic Poulain fmt = 0x3f; 2383b7ed3abdSLoic Poulain mux = OV5640_FMT_MUX_YUV422; 2384e3ee691dSHugues Fruchet break; 23851536fbdbSXavier Roumegue case MEDIA_BUS_FMT_YUYV8_1X16: 2386e3ee691dSHugues Fruchet case MEDIA_BUS_FMT_YUYV8_2X8: 2387e3ee691dSHugues Fruchet /* YUV422, YUYV */ 2388b7ed3abdSLoic Poulain fmt = 0x30; 2389b7ed3abdSLoic Poulain mux = OV5640_FMT_MUX_YUV422; 2390e3ee691dSHugues Fruchet break; 2391e3ee691dSHugues Fruchet case MEDIA_BUS_FMT_RGB565_2X8_LE: 2392e3ee691dSHugues Fruchet /* RGB565 {g[2:0],b[4:0]},{r[4:0],g[5:3]} */ 2393b7ed3abdSLoic Poulain fmt = 0x6F; 2394b7ed3abdSLoic Poulain mux = OV5640_FMT_MUX_RGB; 2395e3ee691dSHugues Fruchet break; 2396e3ee691dSHugues Fruchet case MEDIA_BUS_FMT_RGB565_2X8_BE: 2397e3ee691dSHugues Fruchet /* RGB565 {r[4:0],g[5:3]},{g[2:0],b[4:0]} */ 2398b7ed3abdSLoic Poulain fmt = 0x61; 2399b7ed3abdSLoic Poulain mux = OV5640_FMT_MUX_RGB; 2400e3ee691dSHugues Fruchet break; 2401d47c4126SHugues Fruchet case MEDIA_BUS_FMT_JPEG_1X8: 2402d47c4126SHugues Fruchet /* YUV422, YUYV */ 2403b7ed3abdSLoic Poulain fmt = 0x30; 2404b7ed3abdSLoic Poulain mux = OV5640_FMT_MUX_YUV422; 2405d47c4126SHugues Fruchet is_jpeg = true; 2406d47c4126SHugues Fruchet break; 2407b7ed3abdSLoic Poulain case MEDIA_BUS_FMT_SBGGR8_1X8: 2408b7ed3abdSLoic Poulain /* Raw, BGBG... / GRGR... */ 2409b7ed3abdSLoic Poulain fmt = 0x00; 2410b7ed3abdSLoic Poulain mux = OV5640_FMT_MUX_RAW_DPC; 2411b7ed3abdSLoic Poulain break; 2412b7ed3abdSLoic Poulain case MEDIA_BUS_FMT_SGBRG8_1X8: 2413b7ed3abdSLoic Poulain /* Raw bayer, GBGB... / RGRG... */ 2414b7ed3abdSLoic Poulain fmt = 0x01; 2415b7ed3abdSLoic Poulain mux = OV5640_FMT_MUX_RAW_DPC; 2416b7ed3abdSLoic Poulain break; 2417b7ed3abdSLoic Poulain case MEDIA_BUS_FMT_SGRBG8_1X8: 2418b7ed3abdSLoic Poulain /* Raw bayer, GRGR... / BGBG... */ 2419b7ed3abdSLoic Poulain fmt = 0x02; 2420b7ed3abdSLoic Poulain mux = OV5640_FMT_MUX_RAW_DPC; 2421b7ed3abdSLoic Poulain break; 2422b7ed3abdSLoic Poulain case MEDIA_BUS_FMT_SRGGB8_1X8: 2423b7ed3abdSLoic Poulain /* Raw bayer, RGRG... / GBGB... */ 2424b7ed3abdSLoic Poulain fmt = 0x03; 2425b7ed3abdSLoic Poulain mux = OV5640_FMT_MUX_RAW_DPC; 2426b7ed3abdSLoic Poulain break; 2427e3ee691dSHugues Fruchet default: 2428e3ee691dSHugues Fruchet return -EINVAL; 2429e3ee691dSHugues Fruchet } 2430e3ee691dSHugues Fruchet 2431e3ee691dSHugues Fruchet /* FORMAT CONTROL00: YUV and RGB formatting */ 2432b7ed3abdSLoic Poulain ret = ov5640_write_reg(sensor, OV5640_REG_FORMAT_CONTROL00, fmt); 2433e3ee691dSHugues Fruchet if (ret) 2434e3ee691dSHugues Fruchet return ret; 2435e3ee691dSHugues Fruchet 2436e3ee691dSHugues Fruchet /* FORMAT MUX CONTROL: ISP YUV or RGB */ 2437b7ed3abdSLoic Poulain ret = ov5640_write_reg(sensor, OV5640_REG_ISP_FORMAT_MUX_CTRL, mux); 2438d47c4126SHugues Fruchet if (ret) 2439d47c4126SHugues Fruchet return ret; 2440d47c4126SHugues Fruchet 2441d47c4126SHugues Fruchet /* 2442d47c4126SHugues Fruchet * TIMING TC REG21: 2443d47c4126SHugues Fruchet * - [5]: JPEG enable 2444d47c4126SHugues Fruchet */ 2445d47c4126SHugues Fruchet ret = ov5640_mod_reg(sensor, OV5640_REG_TIMING_TC_REG21, 2446d47c4126SHugues Fruchet BIT(5), is_jpeg ? BIT(5) : 0); 2447d47c4126SHugues Fruchet if (ret) 2448d47c4126SHugues Fruchet return ret; 2449d47c4126SHugues Fruchet 2450d47c4126SHugues Fruchet /* 2451d47c4126SHugues Fruchet * SYSTEM RESET02: 2452d47c4126SHugues Fruchet * - [4]: Reset JFIFO 2453d47c4126SHugues Fruchet * - [3]: Reset SFIFO 2454d47c4126SHugues Fruchet * - [2]: Reset JPEG 2455d47c4126SHugues Fruchet */ 2456d47c4126SHugues Fruchet ret = ov5640_mod_reg(sensor, OV5640_REG_SYS_RESET02, 2457d47c4126SHugues Fruchet BIT(4) | BIT(3) | BIT(2), 2458d47c4126SHugues Fruchet is_jpeg ? 0 : (BIT(4) | BIT(3) | BIT(2))); 2459d47c4126SHugues Fruchet if (ret) 2460d47c4126SHugues Fruchet return ret; 2461d47c4126SHugues Fruchet 2462d47c4126SHugues Fruchet /* 2463d47c4126SHugues Fruchet * CLOCK ENABLE02: 2464d47c4126SHugues Fruchet * - [5]: Enable JPEG 2x clock 2465d47c4126SHugues Fruchet * - [3]: Enable JPEG clock 2466d47c4126SHugues Fruchet */ 2467d47c4126SHugues Fruchet return ov5640_mod_reg(sensor, OV5640_REG_SYS_CLOCK_ENABLE02, 2468d47c4126SHugues Fruchet BIT(5) | BIT(3), 2469d47c4126SHugues Fruchet is_jpeg ? (BIT(5) | BIT(3)) : 0); 2470e3ee691dSHugues Fruchet } 247119a81c14SSteve Longerbeam 247219a81c14SSteve Longerbeam /* 247319a81c14SSteve Longerbeam * Sensor Controls. 247419a81c14SSteve Longerbeam */ 247519a81c14SSteve Longerbeam 247619a81c14SSteve Longerbeam static int ov5640_set_ctrl_hue(struct ov5640_dev *sensor, int value) 247719a81c14SSteve Longerbeam { 247819a81c14SSteve Longerbeam int ret; 247919a81c14SSteve Longerbeam 248019a81c14SSteve Longerbeam if (value) { 248119a81c14SSteve Longerbeam ret = ov5640_mod_reg(sensor, OV5640_REG_SDE_CTRL0, 248219a81c14SSteve Longerbeam BIT(0), BIT(0)); 248319a81c14SSteve Longerbeam if (ret) 248419a81c14SSteve Longerbeam return ret; 248519a81c14SSteve Longerbeam ret = ov5640_write_reg16(sensor, OV5640_REG_SDE_CTRL1, value); 248619a81c14SSteve Longerbeam } else { 248719a81c14SSteve Longerbeam ret = ov5640_mod_reg(sensor, OV5640_REG_SDE_CTRL0, BIT(0), 0); 248819a81c14SSteve Longerbeam } 248919a81c14SSteve Longerbeam 249019a81c14SSteve Longerbeam return ret; 249119a81c14SSteve Longerbeam } 249219a81c14SSteve Longerbeam 249319a81c14SSteve Longerbeam static int ov5640_set_ctrl_contrast(struct ov5640_dev *sensor, int value) 249419a81c14SSteve Longerbeam { 249519a81c14SSteve Longerbeam int ret; 249619a81c14SSteve Longerbeam 249719a81c14SSteve Longerbeam if (value) { 249819a81c14SSteve Longerbeam ret = ov5640_mod_reg(sensor, OV5640_REG_SDE_CTRL0, 249919a81c14SSteve Longerbeam BIT(2), BIT(2)); 250019a81c14SSteve Longerbeam if (ret) 250119a81c14SSteve Longerbeam return ret; 250219a81c14SSteve Longerbeam ret = ov5640_write_reg(sensor, OV5640_REG_SDE_CTRL5, 250319a81c14SSteve Longerbeam value & 0xff); 250419a81c14SSteve Longerbeam } else { 250519a81c14SSteve Longerbeam ret = ov5640_mod_reg(sensor, OV5640_REG_SDE_CTRL0, BIT(2), 0); 250619a81c14SSteve Longerbeam } 250719a81c14SSteve Longerbeam 250819a81c14SSteve Longerbeam return ret; 250919a81c14SSteve Longerbeam } 251019a81c14SSteve Longerbeam 251119a81c14SSteve Longerbeam static int ov5640_set_ctrl_saturation(struct ov5640_dev *sensor, int value) 251219a81c14SSteve Longerbeam { 251319a81c14SSteve Longerbeam int ret; 251419a81c14SSteve Longerbeam 251519a81c14SSteve Longerbeam if (value) { 251619a81c14SSteve Longerbeam ret = ov5640_mod_reg(sensor, OV5640_REG_SDE_CTRL0, 251719a81c14SSteve Longerbeam BIT(1), BIT(1)); 251819a81c14SSteve Longerbeam if (ret) 251919a81c14SSteve Longerbeam return ret; 252019a81c14SSteve Longerbeam ret = ov5640_write_reg(sensor, OV5640_REG_SDE_CTRL3, 252119a81c14SSteve Longerbeam value & 0xff); 252219a81c14SSteve Longerbeam if (ret) 252319a81c14SSteve Longerbeam return ret; 252419a81c14SSteve Longerbeam ret = ov5640_write_reg(sensor, OV5640_REG_SDE_CTRL4, 252519a81c14SSteve Longerbeam value & 0xff); 252619a81c14SSteve Longerbeam } else { 252719a81c14SSteve Longerbeam ret = ov5640_mod_reg(sensor, OV5640_REG_SDE_CTRL0, BIT(1), 0); 252819a81c14SSteve Longerbeam } 252919a81c14SSteve Longerbeam 253019a81c14SSteve Longerbeam return ret; 253119a81c14SSteve Longerbeam } 253219a81c14SSteve Longerbeam 253319a81c14SSteve Longerbeam static int ov5640_set_ctrl_white_balance(struct ov5640_dev *sensor, int awb) 253419a81c14SSteve Longerbeam { 253519a81c14SSteve Longerbeam int ret; 253619a81c14SSteve Longerbeam 253719a81c14SSteve Longerbeam ret = ov5640_mod_reg(sensor, OV5640_REG_AWB_MANUAL_CTRL, 253819a81c14SSteve Longerbeam BIT(0), awb ? 0 : 1); 253919a81c14SSteve Longerbeam if (ret) 254019a81c14SSteve Longerbeam return ret; 254119a81c14SSteve Longerbeam 254219a81c14SSteve Longerbeam if (!awb) { 254319a81c14SSteve Longerbeam u16 red = (u16)sensor->ctrls.red_balance->val; 254419a81c14SSteve Longerbeam u16 blue = (u16)sensor->ctrls.blue_balance->val; 254519a81c14SSteve Longerbeam 254619a81c14SSteve Longerbeam ret = ov5640_write_reg16(sensor, OV5640_REG_AWB_R_GAIN, red); 254719a81c14SSteve Longerbeam if (ret) 254819a81c14SSteve Longerbeam return ret; 254919a81c14SSteve Longerbeam ret = ov5640_write_reg16(sensor, OV5640_REG_AWB_B_GAIN, blue); 255019a81c14SSteve Longerbeam } 255119a81c14SSteve Longerbeam 255219a81c14SSteve Longerbeam return ret; 255319a81c14SSteve Longerbeam } 255419a81c14SSteve Longerbeam 25553cca8ef5SHugues Fruchet static int ov5640_set_ctrl_exposure(struct ov5640_dev *sensor, 25563cca8ef5SHugues Fruchet enum v4l2_exposure_auto_type auto_exposure) 255719a81c14SSteve Longerbeam { 255819a81c14SSteve Longerbeam struct ov5640_ctrls *ctrls = &sensor->ctrls; 25593cca8ef5SHugues Fruchet bool auto_exp = (auto_exposure == V4L2_EXPOSURE_AUTO); 256019a81c14SSteve Longerbeam int ret = 0; 256119a81c14SSteve Longerbeam 256219a81c14SSteve Longerbeam if (ctrls->auto_exp->is_new) { 25633cca8ef5SHugues Fruchet ret = ov5640_set_autoexposure(sensor, auto_exp); 256419a81c14SSteve Longerbeam if (ret) 256519a81c14SSteve Longerbeam return ret; 256619a81c14SSteve Longerbeam } 256719a81c14SSteve Longerbeam 25683cca8ef5SHugues Fruchet if (!auto_exp && ctrls->exposure->is_new) { 256919a81c14SSteve Longerbeam u16 max_exp; 257019a81c14SSteve Longerbeam 257119a81c14SSteve Longerbeam ret = ov5640_read_reg16(sensor, OV5640_REG_AEC_PK_VTS, 257219a81c14SSteve Longerbeam &max_exp); 257319a81c14SSteve Longerbeam if (ret) 257419a81c14SSteve Longerbeam return ret; 257519a81c14SSteve Longerbeam ret = ov5640_get_vts(sensor); 257619a81c14SSteve Longerbeam if (ret < 0) 257719a81c14SSteve Longerbeam return ret; 257819a81c14SSteve Longerbeam max_exp += ret; 25796146fde3SHugues Fruchet ret = 0; 258019a81c14SSteve Longerbeam 258119a81c14SSteve Longerbeam if (ctrls->exposure->val < max_exp) 258219a81c14SSteve Longerbeam ret = ov5640_set_exposure(sensor, ctrls->exposure->val); 258319a81c14SSteve Longerbeam } 258419a81c14SSteve Longerbeam 258519a81c14SSteve Longerbeam return ret; 258619a81c14SSteve Longerbeam } 258719a81c14SSteve Longerbeam 25883cca8ef5SHugues Fruchet static int ov5640_set_ctrl_gain(struct ov5640_dev *sensor, bool auto_gain) 258919a81c14SSteve Longerbeam { 259019a81c14SSteve Longerbeam struct ov5640_ctrls *ctrls = &sensor->ctrls; 259119a81c14SSteve Longerbeam int ret = 0; 259219a81c14SSteve Longerbeam 259319a81c14SSteve Longerbeam if (ctrls->auto_gain->is_new) { 25943cca8ef5SHugues Fruchet ret = ov5640_set_autogain(sensor, auto_gain); 259519a81c14SSteve Longerbeam if (ret) 259619a81c14SSteve Longerbeam return ret; 259719a81c14SSteve Longerbeam } 259819a81c14SSteve Longerbeam 25993cca8ef5SHugues Fruchet if (!auto_gain && ctrls->gain->is_new) 26003cca8ef5SHugues Fruchet ret = ov5640_set_gain(sensor, ctrls->gain->val); 260119a81c14SSteve Longerbeam 260219a81c14SSteve Longerbeam return ret; 260319a81c14SSteve Longerbeam } 260419a81c14SSteve Longerbeam 26059f6d7bacSChen-Yu Tsai static const char * const test_pattern_menu[] = { 26069f6d7bacSChen-Yu Tsai "Disabled", 26079f6d7bacSChen-Yu Tsai "Color bars", 2608bddc5cdfSChen-Yu Tsai "Color bars w/ rolling bar", 2609bddc5cdfSChen-Yu Tsai "Color squares", 2610bddc5cdfSChen-Yu Tsai "Color squares w/ rolling bar", 26119f6d7bacSChen-Yu Tsai }; 26129f6d7bacSChen-Yu Tsai 2613a0c29afbSChen-Yu Tsai #define OV5640_TEST_ENABLE BIT(7) 2614a0c29afbSChen-Yu Tsai #define OV5640_TEST_ROLLING BIT(6) /* rolling horizontal bar */ 2615a0c29afbSChen-Yu Tsai #define OV5640_TEST_TRANSPARENT BIT(5) 2616a0c29afbSChen-Yu Tsai #define OV5640_TEST_SQUARE_BW BIT(4) /* black & white squares */ 2617a0c29afbSChen-Yu Tsai #define OV5640_TEST_BAR_STANDARD (0 << 2) 2618a0c29afbSChen-Yu Tsai #define OV5640_TEST_BAR_VERT_CHANGE_1 (1 << 2) 2619a0c29afbSChen-Yu Tsai #define OV5640_TEST_BAR_HOR_CHANGE (2 << 2) 2620a0c29afbSChen-Yu Tsai #define OV5640_TEST_BAR_VERT_CHANGE_2 (3 << 2) 2621a0c29afbSChen-Yu Tsai #define OV5640_TEST_BAR (0 << 0) 2622a0c29afbSChen-Yu Tsai #define OV5640_TEST_RANDOM (1 << 0) 2623a0c29afbSChen-Yu Tsai #define OV5640_TEST_SQUARE (2 << 0) 2624a0c29afbSChen-Yu Tsai #define OV5640_TEST_BLACK (3 << 0) 2625a0c29afbSChen-Yu Tsai 2626a0c29afbSChen-Yu Tsai static const u8 test_pattern_val[] = { 2627a0c29afbSChen-Yu Tsai 0, 26282aff1fc3SChen-Yu Tsai OV5640_TEST_ENABLE | OV5640_TEST_BAR_VERT_CHANGE_1 | 2629a0c29afbSChen-Yu Tsai OV5640_TEST_BAR, 2630bddc5cdfSChen-Yu Tsai OV5640_TEST_ENABLE | OV5640_TEST_ROLLING | 2631bddc5cdfSChen-Yu Tsai OV5640_TEST_BAR_VERT_CHANGE_1 | OV5640_TEST_BAR, 2632bddc5cdfSChen-Yu Tsai OV5640_TEST_ENABLE | OV5640_TEST_SQUARE, 2633bddc5cdfSChen-Yu Tsai OV5640_TEST_ENABLE | OV5640_TEST_ROLLING | OV5640_TEST_SQUARE, 2634a0c29afbSChen-Yu Tsai }; 2635a0c29afbSChen-Yu Tsai 263619a81c14SSteve Longerbeam static int ov5640_set_ctrl_test_pattern(struct ov5640_dev *sensor, int value) 263719a81c14SSteve Longerbeam { 2638a0c29afbSChen-Yu Tsai return ov5640_write_reg(sensor, OV5640_REG_PRE_ISP_TEST_SET1, 2639a0c29afbSChen-Yu Tsai test_pattern_val[value]); 264019a81c14SSteve Longerbeam } 264119a81c14SSteve Longerbeam 26421068fecaSMylène Josserand static int ov5640_set_ctrl_light_freq(struct ov5640_dev *sensor, int value) 26431068fecaSMylène Josserand { 26441068fecaSMylène Josserand int ret; 26451068fecaSMylène Josserand 26461068fecaSMylène Josserand ret = ov5640_mod_reg(sensor, OV5640_REG_HZ5060_CTRL01, BIT(7), 26471068fecaSMylène Josserand (value == V4L2_CID_POWER_LINE_FREQUENCY_AUTO) ? 26481068fecaSMylène Josserand 0 : BIT(7)); 26491068fecaSMylène Josserand if (ret) 26501068fecaSMylène Josserand return ret; 26511068fecaSMylène Josserand 26521068fecaSMylène Josserand return ov5640_mod_reg(sensor, OV5640_REG_HZ5060_CTRL00, BIT(2), 26531068fecaSMylène Josserand (value == V4L2_CID_POWER_LINE_FREQUENCY_50HZ) ? 26541068fecaSMylène Josserand BIT(2) : 0); 26551068fecaSMylène Josserand } 26561068fecaSMylène Josserand 2657ce85705aSHugues Fruchet static int ov5640_set_ctrl_hflip(struct ov5640_dev *sensor, int value) 2658ce85705aSHugues Fruchet { 2659ce85705aSHugues Fruchet /* 2660c3f3ba3eSHugues Fruchet * If sensor is mounted upside down, mirror logic is inversed. 2661c3f3ba3eSHugues Fruchet * 2662ce85705aSHugues Fruchet * Sensor is a BSI (Back Side Illuminated) one, 2663ce85705aSHugues Fruchet * so image captured is physically mirrored. 2664ce85705aSHugues Fruchet * This is why mirror logic is inversed in 2665ce85705aSHugues Fruchet * order to cancel this mirror effect. 2666ce85705aSHugues Fruchet */ 2667ce85705aSHugues Fruchet 2668ce85705aSHugues Fruchet /* 2669ce85705aSHugues Fruchet * TIMING TC REG21: 2670ce85705aSHugues Fruchet * - [2]: ISP mirror 2671ce85705aSHugues Fruchet * - [1]: Sensor mirror 2672ce85705aSHugues Fruchet */ 2673ce85705aSHugues Fruchet return ov5640_mod_reg(sensor, OV5640_REG_TIMING_TC_REG21, 2674ce85705aSHugues Fruchet BIT(2) | BIT(1), 2675c3f3ba3eSHugues Fruchet (!(value ^ sensor->upside_down)) ? 2676c3f3ba3eSHugues Fruchet (BIT(2) | BIT(1)) : 0); 2677ce85705aSHugues Fruchet } 2678ce85705aSHugues Fruchet 2679ce85705aSHugues Fruchet static int ov5640_set_ctrl_vflip(struct ov5640_dev *sensor, int value) 2680ce85705aSHugues Fruchet { 2681c3f3ba3eSHugues Fruchet /* If sensor is mounted upside down, flip logic is inversed */ 2682c3f3ba3eSHugues Fruchet 2683ce85705aSHugues Fruchet /* 2684ce85705aSHugues Fruchet * TIMING TC REG20: 2685ce85705aSHugues Fruchet * - [2]: ISP vflip 2686ce85705aSHugues Fruchet * - [1]: Sensor vflip 2687ce85705aSHugues Fruchet */ 2688ce85705aSHugues Fruchet return ov5640_mod_reg(sensor, OV5640_REG_TIMING_TC_REG20, 2689ce85705aSHugues Fruchet BIT(2) | BIT(1), 2690c3f3ba3eSHugues Fruchet (value ^ sensor->upside_down) ? 2691c3f3ba3eSHugues Fruchet (BIT(2) | BIT(1)) : 0); 2692ce85705aSHugues Fruchet } 2693ce85705aSHugues Fruchet 269419a81c14SSteve Longerbeam static int ov5640_g_volatile_ctrl(struct v4l2_ctrl *ctrl) 269519a81c14SSteve Longerbeam { 269619a81c14SSteve Longerbeam struct v4l2_subdev *sd = ctrl_to_sd(ctrl); 269719a81c14SSteve Longerbeam struct ov5640_dev *sensor = to_ov5640_dev(sd); 269819a81c14SSteve Longerbeam int val; 269919a81c14SSteve Longerbeam 270019a81c14SSteve Longerbeam /* v4l2_ctrl_lock() locks our own mutex */ 270119a81c14SSteve Longerbeam 270219a81c14SSteve Longerbeam switch (ctrl->id) { 270319a81c14SSteve Longerbeam case V4L2_CID_AUTOGAIN: 270419a81c14SSteve Longerbeam val = ov5640_get_gain(sensor); 270519a81c14SSteve Longerbeam if (val < 0) 270619a81c14SSteve Longerbeam return val; 270719a81c14SSteve Longerbeam sensor->ctrls.gain->val = val; 270819a81c14SSteve Longerbeam break; 270919a81c14SSteve Longerbeam case V4L2_CID_EXPOSURE_AUTO: 271019a81c14SSteve Longerbeam val = ov5640_get_exposure(sensor); 271119a81c14SSteve Longerbeam if (val < 0) 271219a81c14SSteve Longerbeam return val; 271319a81c14SSteve Longerbeam sensor->ctrls.exposure->val = val; 271419a81c14SSteve Longerbeam break; 271519a81c14SSteve Longerbeam } 271619a81c14SSteve Longerbeam 271719a81c14SSteve Longerbeam return 0; 271819a81c14SSteve Longerbeam } 271919a81c14SSteve Longerbeam 272019a81c14SSteve Longerbeam static int ov5640_s_ctrl(struct v4l2_ctrl *ctrl) 272119a81c14SSteve Longerbeam { 272219a81c14SSteve Longerbeam struct v4l2_subdev *sd = ctrl_to_sd(ctrl); 272319a81c14SSteve Longerbeam struct ov5640_dev *sensor = to_ov5640_dev(sd); 272419a81c14SSteve Longerbeam int ret; 272519a81c14SSteve Longerbeam 272619a81c14SSteve Longerbeam /* v4l2_ctrl_lock() locks our own mutex */ 272719a81c14SSteve Longerbeam 272819a81c14SSteve Longerbeam /* 272919a81c14SSteve Longerbeam * If the device is not powered up by the host driver do 273019a81c14SSteve Longerbeam * not apply any controls to H/W at this time. Instead 273119a81c14SSteve Longerbeam * the controls will be restored right after power-up. 273219a81c14SSteve Longerbeam */ 273319a81c14SSteve Longerbeam if (sensor->power_count == 0) 273419a81c14SSteve Longerbeam return 0; 273519a81c14SSteve Longerbeam 273619a81c14SSteve Longerbeam switch (ctrl->id) { 273719a81c14SSteve Longerbeam case V4L2_CID_AUTOGAIN: 273819a81c14SSteve Longerbeam ret = ov5640_set_ctrl_gain(sensor, ctrl->val); 273919a81c14SSteve Longerbeam break; 274019a81c14SSteve Longerbeam case V4L2_CID_EXPOSURE_AUTO: 274119a81c14SSteve Longerbeam ret = ov5640_set_ctrl_exposure(sensor, ctrl->val); 274219a81c14SSteve Longerbeam break; 274319a81c14SSteve Longerbeam case V4L2_CID_AUTO_WHITE_BALANCE: 274419a81c14SSteve Longerbeam ret = ov5640_set_ctrl_white_balance(sensor, ctrl->val); 274519a81c14SSteve Longerbeam break; 274619a81c14SSteve Longerbeam case V4L2_CID_HUE: 274719a81c14SSteve Longerbeam ret = ov5640_set_ctrl_hue(sensor, ctrl->val); 274819a81c14SSteve Longerbeam break; 274919a81c14SSteve Longerbeam case V4L2_CID_CONTRAST: 275019a81c14SSteve Longerbeam ret = ov5640_set_ctrl_contrast(sensor, ctrl->val); 275119a81c14SSteve Longerbeam break; 275219a81c14SSteve Longerbeam case V4L2_CID_SATURATION: 275319a81c14SSteve Longerbeam ret = ov5640_set_ctrl_saturation(sensor, ctrl->val); 275419a81c14SSteve Longerbeam break; 275519a81c14SSteve Longerbeam case V4L2_CID_TEST_PATTERN: 275619a81c14SSteve Longerbeam ret = ov5640_set_ctrl_test_pattern(sensor, ctrl->val); 275719a81c14SSteve Longerbeam break; 27581068fecaSMylène Josserand case V4L2_CID_POWER_LINE_FREQUENCY: 27591068fecaSMylène Josserand ret = ov5640_set_ctrl_light_freq(sensor, ctrl->val); 27601068fecaSMylène Josserand break; 2761ce85705aSHugues Fruchet case V4L2_CID_HFLIP: 2762ce85705aSHugues Fruchet ret = ov5640_set_ctrl_hflip(sensor, ctrl->val); 2763ce85705aSHugues Fruchet break; 2764ce85705aSHugues Fruchet case V4L2_CID_VFLIP: 2765ce85705aSHugues Fruchet ret = ov5640_set_ctrl_vflip(sensor, ctrl->val); 2766ce85705aSHugues Fruchet break; 276719a81c14SSteve Longerbeam default: 276819a81c14SSteve Longerbeam ret = -EINVAL; 276919a81c14SSteve Longerbeam break; 277019a81c14SSteve Longerbeam } 277119a81c14SSteve Longerbeam 277219a81c14SSteve Longerbeam return ret; 277319a81c14SSteve Longerbeam } 277419a81c14SSteve Longerbeam 277519a81c14SSteve Longerbeam static const struct v4l2_ctrl_ops ov5640_ctrl_ops = { 277619a81c14SSteve Longerbeam .g_volatile_ctrl = ov5640_g_volatile_ctrl, 277719a81c14SSteve Longerbeam .s_ctrl = ov5640_s_ctrl, 277819a81c14SSteve Longerbeam }; 277919a81c14SSteve Longerbeam 278019a81c14SSteve Longerbeam static int ov5640_init_controls(struct ov5640_dev *sensor) 278119a81c14SSteve Longerbeam { 2782*22845bf2SJacopo Mondi const struct ov5640_mode_info *mode = sensor->current_mode; 278319a81c14SSteve Longerbeam const struct v4l2_ctrl_ops *ops = &ov5640_ctrl_ops; 278419a81c14SSteve Longerbeam struct ov5640_ctrls *ctrls = &sensor->ctrls; 278519a81c14SSteve Longerbeam struct v4l2_ctrl_handler *hdl = &ctrls->handler; 278619a81c14SSteve Longerbeam int ret; 278719a81c14SSteve Longerbeam 278819a81c14SSteve Longerbeam v4l2_ctrl_handler_init(hdl, 32); 278919a81c14SSteve Longerbeam 279019a81c14SSteve Longerbeam /* we can use our own mutex for the ctrl lock */ 279119a81c14SSteve Longerbeam hdl->lock = &sensor->lock; 279219a81c14SSteve Longerbeam 2793cc196e48SBenoit Parrot /* Clock related controls */ 2794cc196e48SBenoit Parrot ctrls->pixel_rate = v4l2_ctrl_new_std(hdl, ops, V4L2_CID_PIXEL_RATE, 2795*22845bf2SJacopo Mondi ov5640_pixel_rates[OV5640_NUM_PIXEL_RATES - 1], 2796*22845bf2SJacopo Mondi ov5640_pixel_rates[0], 1, 2797*22845bf2SJacopo Mondi ov5640_pixel_rates[mode->pixel_rate]); 2798cc196e48SBenoit Parrot 279919a81c14SSteve Longerbeam /* Auto/manual white balance */ 280019a81c14SSteve Longerbeam ctrls->auto_wb = v4l2_ctrl_new_std(hdl, ops, 280119a81c14SSteve Longerbeam V4L2_CID_AUTO_WHITE_BALANCE, 280219a81c14SSteve Longerbeam 0, 1, 1, 1); 280319a81c14SSteve Longerbeam ctrls->blue_balance = v4l2_ctrl_new_std(hdl, ops, V4L2_CID_BLUE_BALANCE, 280419a81c14SSteve Longerbeam 0, 4095, 1, 0); 280519a81c14SSteve Longerbeam ctrls->red_balance = v4l2_ctrl_new_std(hdl, ops, V4L2_CID_RED_BALANCE, 280619a81c14SSteve Longerbeam 0, 4095, 1, 0); 280719a81c14SSteve Longerbeam /* Auto/manual exposure */ 280819a81c14SSteve Longerbeam ctrls->auto_exp = v4l2_ctrl_new_std_menu(hdl, ops, 280919a81c14SSteve Longerbeam V4L2_CID_EXPOSURE_AUTO, 281019a81c14SSteve Longerbeam V4L2_EXPOSURE_MANUAL, 0, 281119a81c14SSteve Longerbeam V4L2_EXPOSURE_AUTO); 281219a81c14SSteve Longerbeam ctrls->exposure = v4l2_ctrl_new_std(hdl, ops, V4L2_CID_EXPOSURE, 281319a81c14SSteve Longerbeam 0, 65535, 1, 0); 281419a81c14SSteve Longerbeam /* Auto/manual gain */ 281519a81c14SSteve Longerbeam ctrls->auto_gain = v4l2_ctrl_new_std(hdl, ops, V4L2_CID_AUTOGAIN, 281619a81c14SSteve Longerbeam 0, 1, 1, 1); 281719a81c14SSteve Longerbeam ctrls->gain = v4l2_ctrl_new_std(hdl, ops, V4L2_CID_GAIN, 281819a81c14SSteve Longerbeam 0, 1023, 1, 0); 281919a81c14SSteve Longerbeam 282019a81c14SSteve Longerbeam ctrls->saturation = v4l2_ctrl_new_std(hdl, ops, V4L2_CID_SATURATION, 282119a81c14SSteve Longerbeam 0, 255, 1, 64); 282219a81c14SSteve Longerbeam ctrls->hue = v4l2_ctrl_new_std(hdl, ops, V4L2_CID_HUE, 282319a81c14SSteve Longerbeam 0, 359, 1, 0); 282419a81c14SSteve Longerbeam ctrls->contrast = v4l2_ctrl_new_std(hdl, ops, V4L2_CID_CONTRAST, 282519a81c14SSteve Longerbeam 0, 255, 1, 0); 282619a81c14SSteve Longerbeam ctrls->test_pattern = 282719a81c14SSteve Longerbeam v4l2_ctrl_new_std_menu_items(hdl, ops, V4L2_CID_TEST_PATTERN, 282819a81c14SSteve Longerbeam ARRAY_SIZE(test_pattern_menu) - 1, 282919a81c14SSteve Longerbeam 0, 0, test_pattern_menu); 2830ce85705aSHugues Fruchet ctrls->hflip = v4l2_ctrl_new_std(hdl, ops, V4L2_CID_HFLIP, 2831ce85705aSHugues Fruchet 0, 1, 1, 0); 2832ce85705aSHugues Fruchet ctrls->vflip = v4l2_ctrl_new_std(hdl, ops, V4L2_CID_VFLIP, 2833ce85705aSHugues Fruchet 0, 1, 1, 0); 283419a81c14SSteve Longerbeam 28351068fecaSMylène Josserand ctrls->light_freq = 28361068fecaSMylène Josserand v4l2_ctrl_new_std_menu(hdl, ops, 28371068fecaSMylène Josserand V4L2_CID_POWER_LINE_FREQUENCY, 28381068fecaSMylène Josserand V4L2_CID_POWER_LINE_FREQUENCY_AUTO, 0, 28391068fecaSMylène Josserand V4L2_CID_POWER_LINE_FREQUENCY_50HZ); 28401068fecaSMylène Josserand 284119a81c14SSteve Longerbeam if (hdl->error) { 284219a81c14SSteve Longerbeam ret = hdl->error; 284319a81c14SSteve Longerbeam goto free_ctrls; 284419a81c14SSteve Longerbeam } 284519a81c14SSteve Longerbeam 2846cc196e48SBenoit Parrot ctrls->pixel_rate->flags |= V4L2_CTRL_FLAG_READ_ONLY; 284719a81c14SSteve Longerbeam ctrls->gain->flags |= V4L2_CTRL_FLAG_VOLATILE; 284819a81c14SSteve Longerbeam ctrls->exposure->flags |= V4L2_CTRL_FLAG_VOLATILE; 284919a81c14SSteve Longerbeam 285019a81c14SSteve Longerbeam v4l2_ctrl_auto_cluster(3, &ctrls->auto_wb, 0, false); 285119a81c14SSteve Longerbeam v4l2_ctrl_auto_cluster(2, &ctrls->auto_gain, 0, true); 285219a81c14SSteve Longerbeam v4l2_ctrl_auto_cluster(2, &ctrls->auto_exp, 1, true); 285319a81c14SSteve Longerbeam 285419a81c14SSteve Longerbeam sensor->sd.ctrl_handler = hdl; 285519a81c14SSteve Longerbeam return 0; 285619a81c14SSteve Longerbeam 285719a81c14SSteve Longerbeam free_ctrls: 285819a81c14SSteve Longerbeam v4l2_ctrl_handler_free(hdl); 285919a81c14SSteve Longerbeam return ret; 286019a81c14SSteve Longerbeam } 286119a81c14SSteve Longerbeam 286219a81c14SSteve Longerbeam static int ov5640_enum_frame_size(struct v4l2_subdev *sd, 28630d346d2aSTomi Valkeinen struct v4l2_subdev_state *sd_state, 286419a81c14SSteve Longerbeam struct v4l2_subdev_frame_size_enum *fse) 286519a81c14SSteve Longerbeam { 286619a81c14SSteve Longerbeam if (fse->pad != 0) 286719a81c14SSteve Longerbeam return -EINVAL; 286819a81c14SSteve Longerbeam if (fse->index >= OV5640_NUM_MODES) 286919a81c14SSteve Longerbeam return -EINVAL; 287019a81c14SSteve Longerbeam 287141d8d7f5SHugues Fruchet fse->min_width = 2872086c25f8SMaxime Ripard ov5640_mode_data[fse->index].hact; 287341d8d7f5SHugues Fruchet fse->max_width = fse->min_width; 287441d8d7f5SHugues Fruchet fse->min_height = 2875086c25f8SMaxime Ripard ov5640_mode_data[fse->index].vact; 287641d8d7f5SHugues Fruchet fse->max_height = fse->min_height; 287719a81c14SSteve Longerbeam 287819a81c14SSteve Longerbeam return 0; 287919a81c14SSteve Longerbeam } 288019a81c14SSteve Longerbeam 288119a81c14SSteve Longerbeam static int ov5640_enum_frame_interval( 288219a81c14SSteve Longerbeam struct v4l2_subdev *sd, 28830d346d2aSTomi Valkeinen struct v4l2_subdev_state *sd_state, 288419a81c14SSteve Longerbeam struct v4l2_subdev_frame_interval_enum *fie) 288519a81c14SSteve Longerbeam { 288619a81c14SSteve Longerbeam struct ov5640_dev *sensor = to_ov5640_dev(sd); 288719a81c14SSteve Longerbeam struct v4l2_fract tpf; 288819a81c14SSteve Longerbeam int ret; 288919a81c14SSteve Longerbeam 289019a81c14SSteve Longerbeam if (fie->pad != 0) 289119a81c14SSteve Longerbeam return -EINVAL; 289219a81c14SSteve Longerbeam if (fie->index >= OV5640_NUM_FRAMERATES) 289319a81c14SSteve Longerbeam return -EINVAL; 289419a81c14SSteve Longerbeam 289519a81c14SSteve Longerbeam tpf.numerator = 1; 289619a81c14SSteve Longerbeam tpf.denominator = ov5640_framerates[fie->index]; 289719a81c14SSteve Longerbeam 289819a81c14SSteve Longerbeam ret = ov5640_try_frame_interval(sensor, &tpf, 289919a81c14SSteve Longerbeam fie->width, fie->height); 290019a81c14SSteve Longerbeam if (ret < 0) 290119a81c14SSteve Longerbeam return -EINVAL; 290219a81c14SSteve Longerbeam 290319a81c14SSteve Longerbeam fie->interval = tpf; 290419a81c14SSteve Longerbeam return 0; 290519a81c14SSteve Longerbeam } 290619a81c14SSteve Longerbeam 290719a81c14SSteve Longerbeam static int ov5640_g_frame_interval(struct v4l2_subdev *sd, 290819a81c14SSteve Longerbeam struct v4l2_subdev_frame_interval *fi) 290919a81c14SSteve Longerbeam { 291019a81c14SSteve Longerbeam struct ov5640_dev *sensor = to_ov5640_dev(sd); 291119a81c14SSteve Longerbeam 291219a81c14SSteve Longerbeam mutex_lock(&sensor->lock); 291319a81c14SSteve Longerbeam fi->interval = sensor->frame_interval; 291419a81c14SSteve Longerbeam mutex_unlock(&sensor->lock); 291519a81c14SSteve Longerbeam 291619a81c14SSteve Longerbeam return 0; 291719a81c14SSteve Longerbeam } 291819a81c14SSteve Longerbeam 291919a81c14SSteve Longerbeam static int ov5640_s_frame_interval(struct v4l2_subdev *sd, 292019a81c14SSteve Longerbeam struct v4l2_subdev_frame_interval *fi) 292119a81c14SSteve Longerbeam { 292219a81c14SSteve Longerbeam struct ov5640_dev *sensor = to_ov5640_dev(sd); 292319a81c14SSteve Longerbeam const struct ov5640_mode_info *mode; 292419a81c14SSteve Longerbeam int frame_rate, ret = 0; 292519a81c14SSteve Longerbeam 292619a81c14SSteve Longerbeam if (fi->pad != 0) 292719a81c14SSteve Longerbeam return -EINVAL; 292819a81c14SSteve Longerbeam 292919a81c14SSteve Longerbeam mutex_lock(&sensor->lock); 293019a81c14SSteve Longerbeam 293119a81c14SSteve Longerbeam if (sensor->streaming) { 293219a81c14SSteve Longerbeam ret = -EBUSY; 293319a81c14SSteve Longerbeam goto out; 293419a81c14SSteve Longerbeam } 293519a81c14SSteve Longerbeam 293619a81c14SSteve Longerbeam mode = sensor->current_mode; 293719a81c14SSteve Longerbeam 293819a81c14SSteve Longerbeam frame_rate = ov5640_try_frame_interval(sensor, &fi->interval, 2939dba13a0bSMaxime Ripard mode->hact, mode->vact); 2940e823fb16SMaxime Ripard if (frame_rate < 0) { 2941e823fb16SMaxime Ripard /* Always return a valid frame interval value */ 2942e823fb16SMaxime Ripard fi->interval = sensor->frame_interval; 2943e823fb16SMaxime Ripard goto out; 2944e823fb16SMaxime Ripard } 294519a81c14SSteve Longerbeam 29463c4a7372SHugues Fruchet mode = ov5640_find_mode(sensor, frame_rate, mode->hact, 2947dba13a0bSMaxime Ripard mode->vact, true); 29483c4a7372SHugues Fruchet if (!mode) { 29493c4a7372SHugues Fruchet ret = -EINVAL; 29503c4a7372SHugues Fruchet goto out; 29513c4a7372SHugues Fruchet } 29523c4a7372SHugues Fruchet 29530929983eSHugues Fruchet if (mode != sensor->current_mode || 29540929983eSHugues Fruchet frame_rate != sensor->current_fr) { 29550929983eSHugues Fruchet sensor->current_fr = frame_rate; 29560929983eSHugues Fruchet sensor->frame_interval = fi->interval; 29573c4a7372SHugues Fruchet sensor->current_mode = mode; 295819a81c14SSteve Longerbeam sensor->pending_mode_change = true; 2959cc196e48SBenoit Parrot 2960cc196e48SBenoit Parrot __v4l2_ctrl_s_ctrl_int64(sensor->ctrls.pixel_rate, 2961cc196e48SBenoit Parrot ov5640_calc_pixel_rate(sensor)); 29626949d864SHugues Fruchet } 296319a81c14SSteve Longerbeam out: 296419a81c14SSteve Longerbeam mutex_unlock(&sensor->lock); 296519a81c14SSteve Longerbeam return ret; 296619a81c14SSteve Longerbeam } 296719a81c14SSteve Longerbeam 296819a81c14SSteve Longerbeam static int ov5640_enum_mbus_code(struct v4l2_subdev *sd, 29690d346d2aSTomi Valkeinen struct v4l2_subdev_state *sd_state, 297019a81c14SSteve Longerbeam struct v4l2_subdev_mbus_code_enum *code) 297119a81c14SSteve Longerbeam { 297219a81c14SSteve Longerbeam if (code->pad != 0) 297319a81c14SSteve Longerbeam return -EINVAL; 2974e3ee691dSHugues Fruchet if (code->index >= ARRAY_SIZE(ov5640_formats)) 297519a81c14SSteve Longerbeam return -EINVAL; 297619a81c14SSteve Longerbeam 2977e3ee691dSHugues Fruchet code->code = ov5640_formats[code->index].code; 297819a81c14SSteve Longerbeam return 0; 297919a81c14SSteve Longerbeam } 298019a81c14SSteve Longerbeam 298119a81c14SSteve Longerbeam static int ov5640_s_stream(struct v4l2_subdev *sd, int enable) 298219a81c14SSteve Longerbeam { 298319a81c14SSteve Longerbeam struct ov5640_dev *sensor = to_ov5640_dev(sd); 298419a81c14SSteve Longerbeam int ret = 0; 298519a81c14SSteve Longerbeam 298619a81c14SSteve Longerbeam mutex_lock(&sensor->lock); 298719a81c14SSteve Longerbeam 298819a81c14SSteve Longerbeam if (sensor->streaming == !enable) { 298919a81c14SSteve Longerbeam if (enable && sensor->pending_mode_change) { 2990985cdcb0SHugues Fruchet ret = ov5640_set_mode(sensor); 299119a81c14SSteve Longerbeam if (ret) 299219a81c14SSteve Longerbeam goto out; 2993fb98e29fSHugues Fruchet } 2994e3ee691dSHugues Fruchet 2995fb98e29fSHugues Fruchet if (enable && sensor->pending_fmt_change) { 2996e3ee691dSHugues Fruchet ret = ov5640_set_framefmt(sensor, &sensor->fmt); 2997e3ee691dSHugues Fruchet if (ret) 2998e3ee691dSHugues Fruchet goto out; 2999fb98e29fSHugues Fruchet sensor->pending_fmt_change = false; 300019a81c14SSteve Longerbeam } 300119a81c14SSteve Longerbeam 30022d95e7edSSakari Ailus if (sensor->ep.bus_type == V4L2_MBUS_CSI2_DPHY) 3003f22996dbSHugues Fruchet ret = ov5640_set_stream_mipi(sensor, enable); 3004f22996dbSHugues Fruchet else 3005f22996dbSHugues Fruchet ret = ov5640_set_stream_dvp(sensor, enable); 3006f22996dbSHugues Fruchet 300719a81c14SSteve Longerbeam if (!ret) 300819a81c14SSteve Longerbeam sensor->streaming = enable; 300919a81c14SSteve Longerbeam } 301019a81c14SSteve Longerbeam out: 301119a81c14SSteve Longerbeam mutex_unlock(&sensor->lock); 301219a81c14SSteve Longerbeam return ret; 301319a81c14SSteve Longerbeam } 301419a81c14SSteve Longerbeam 301519a81c14SSteve Longerbeam static const struct v4l2_subdev_core_ops ov5640_core_ops = { 301619a81c14SSteve Longerbeam .s_power = ov5640_s_power, 30172d18fbc5SAkinobu Mita .log_status = v4l2_ctrl_subdev_log_status, 30182d18fbc5SAkinobu Mita .subscribe_event = v4l2_ctrl_subdev_subscribe_event, 30192d18fbc5SAkinobu Mita .unsubscribe_event = v4l2_event_subdev_unsubscribe, 302019a81c14SSteve Longerbeam }; 302119a81c14SSteve Longerbeam 302219a81c14SSteve Longerbeam static const struct v4l2_subdev_video_ops ov5640_video_ops = { 302319a81c14SSteve Longerbeam .g_frame_interval = ov5640_g_frame_interval, 302419a81c14SSteve Longerbeam .s_frame_interval = ov5640_s_frame_interval, 302519a81c14SSteve Longerbeam .s_stream = ov5640_s_stream, 302619a81c14SSteve Longerbeam }; 302719a81c14SSteve Longerbeam 302819a81c14SSteve Longerbeam static const struct v4l2_subdev_pad_ops ov5640_pad_ops = { 302919a81c14SSteve Longerbeam .enum_mbus_code = ov5640_enum_mbus_code, 303019a81c14SSteve Longerbeam .get_fmt = ov5640_get_fmt, 303119a81c14SSteve Longerbeam .set_fmt = ov5640_set_fmt, 303219a81c14SSteve Longerbeam .enum_frame_size = ov5640_enum_frame_size, 303319a81c14SSteve Longerbeam .enum_frame_interval = ov5640_enum_frame_interval, 303419a81c14SSteve Longerbeam }; 303519a81c14SSteve Longerbeam 303619a81c14SSteve Longerbeam static const struct v4l2_subdev_ops ov5640_subdev_ops = { 303719a81c14SSteve Longerbeam .core = &ov5640_core_ops, 303819a81c14SSteve Longerbeam .video = &ov5640_video_ops, 303919a81c14SSteve Longerbeam .pad = &ov5640_pad_ops, 304019a81c14SSteve Longerbeam }; 304119a81c14SSteve Longerbeam 304219a81c14SSteve Longerbeam static int ov5640_get_regulators(struct ov5640_dev *sensor) 304319a81c14SSteve Longerbeam { 304419a81c14SSteve Longerbeam int i; 304519a81c14SSteve Longerbeam 304619a81c14SSteve Longerbeam for (i = 0; i < OV5640_NUM_SUPPLIES; i++) 304719a81c14SSteve Longerbeam sensor->supplies[i].supply = ov5640_supply_name[i]; 304819a81c14SSteve Longerbeam 304919a81c14SSteve Longerbeam return devm_regulator_bulk_get(&sensor->i2c_client->dev, 305019a81c14SSteve Longerbeam OV5640_NUM_SUPPLIES, 305119a81c14SSteve Longerbeam sensor->supplies); 305219a81c14SSteve Longerbeam } 305319a81c14SSteve Longerbeam 30540f7acb52SHugues Fruchet static int ov5640_check_chip_id(struct ov5640_dev *sensor) 30550f7acb52SHugues Fruchet { 30560f7acb52SHugues Fruchet struct i2c_client *client = sensor->i2c_client; 30570f7acb52SHugues Fruchet int ret = 0; 30580f7acb52SHugues Fruchet u16 chip_id; 30590f7acb52SHugues Fruchet 30600f7acb52SHugues Fruchet ret = ov5640_set_power_on(sensor); 30610f7acb52SHugues Fruchet if (ret) 30620f7acb52SHugues Fruchet return ret; 30630f7acb52SHugues Fruchet 30640f7acb52SHugues Fruchet ret = ov5640_read_reg16(sensor, OV5640_REG_CHIP_ID, &chip_id); 30650f7acb52SHugues Fruchet if (ret) { 30660f7acb52SHugues Fruchet dev_err(&client->dev, "%s: failed to read chip identifier\n", 30670f7acb52SHugues Fruchet __func__); 30680f7acb52SHugues Fruchet goto power_off; 30690f7acb52SHugues Fruchet } 30700f7acb52SHugues Fruchet 30710f7acb52SHugues Fruchet if (chip_id != 0x5640) { 30720f7acb52SHugues Fruchet dev_err(&client->dev, "%s: wrong chip identifier, expected 0x5640, got 0x%x\n", 30730f7acb52SHugues Fruchet __func__, chip_id); 30740f7acb52SHugues Fruchet ret = -ENXIO; 30750f7acb52SHugues Fruchet } 30760f7acb52SHugues Fruchet 30770f7acb52SHugues Fruchet power_off: 30780f7acb52SHugues Fruchet ov5640_set_power_off(sensor); 30790f7acb52SHugues Fruchet return ret; 30800f7acb52SHugues Fruchet } 30810f7acb52SHugues Fruchet 3082e6714993SKieran Bingham static int ov5640_probe(struct i2c_client *client) 308319a81c14SSteve Longerbeam { 308419a81c14SSteve Longerbeam struct device *dev = &client->dev; 308519a81c14SSteve Longerbeam struct fwnode_handle *endpoint; 308619a81c14SSteve Longerbeam struct ov5640_dev *sensor; 3087e6441fdeSHugues Fruchet struct v4l2_mbus_framefmt *fmt; 3088c3f3ba3eSHugues Fruchet u32 rotation; 308919a81c14SSteve Longerbeam int ret; 309019a81c14SSteve Longerbeam 309119a81c14SSteve Longerbeam sensor = devm_kzalloc(dev, sizeof(*sensor), GFP_KERNEL); 309219a81c14SSteve Longerbeam if (!sensor) 309319a81c14SSteve Longerbeam return -ENOMEM; 309419a81c14SSteve Longerbeam 309519a81c14SSteve Longerbeam sensor->i2c_client = client; 3096fb98e29fSHugues Fruchet 3097fb98e29fSHugues Fruchet /* 3098fb98e29fSHugues Fruchet * default init sequence initialize sensor to 3099fb98e29fSHugues Fruchet * YUV422 UYVY VGA@30fps 3100fb98e29fSHugues Fruchet */ 3101e6441fdeSHugues Fruchet fmt = &sensor->fmt; 3102fb98e29fSHugues Fruchet fmt->code = MEDIA_BUS_FMT_UYVY8_2X8; 3103fb98e29fSHugues Fruchet fmt->colorspace = V4L2_COLORSPACE_SRGB; 3104e6441fdeSHugues Fruchet fmt->ycbcr_enc = V4L2_MAP_YCBCR_ENC_DEFAULT(fmt->colorspace); 3105e6441fdeSHugues Fruchet fmt->quantization = V4L2_QUANTIZATION_FULL_RANGE; 3106e6441fdeSHugues Fruchet fmt->xfer_func = V4L2_MAP_XFER_FUNC_DEFAULT(fmt->colorspace); 3107e6441fdeSHugues Fruchet fmt->width = 640; 3108e6441fdeSHugues Fruchet fmt->height = 480; 3109e6441fdeSHugues Fruchet fmt->field = V4L2_FIELD_NONE; 311019a81c14SSteve Longerbeam sensor->frame_interval.numerator = 1; 311119a81c14SSteve Longerbeam sensor->frame_interval.denominator = ov5640_framerates[OV5640_30_FPS]; 311219a81c14SSteve Longerbeam sensor->current_fr = OV5640_30_FPS; 311319a81c14SSteve Longerbeam sensor->current_mode = 3114086c25f8SMaxime Ripard &ov5640_mode_data[OV5640_MODE_VGA_640_480]; 3115985cdcb0SHugues Fruchet sensor->last_mode = sensor->current_mode; 311619a81c14SSteve Longerbeam 311719a81c14SSteve Longerbeam sensor->ae_target = 52; 311819a81c14SSteve Longerbeam 3119c3f3ba3eSHugues Fruchet /* optional indication of physical rotation of sensor */ 3120c3f3ba3eSHugues Fruchet ret = fwnode_property_read_u32(dev_fwnode(&client->dev), "rotation", 3121c3f3ba3eSHugues Fruchet &rotation); 3122c3f3ba3eSHugues Fruchet if (!ret) { 3123c3f3ba3eSHugues Fruchet switch (rotation) { 3124c3f3ba3eSHugues Fruchet case 180: 3125c3f3ba3eSHugues Fruchet sensor->upside_down = true; 31261771e9fbSGustavo A. R. Silva fallthrough; 3127c3f3ba3eSHugues Fruchet case 0: 3128c3f3ba3eSHugues Fruchet break; 3129c3f3ba3eSHugues Fruchet default: 3130c3f3ba3eSHugues Fruchet dev_warn(dev, "%u degrees rotation is not supported, ignoring...\n", 3131c3f3ba3eSHugues Fruchet rotation); 3132c3f3ba3eSHugues Fruchet } 3133c3f3ba3eSHugues Fruchet } 3134c3f3ba3eSHugues Fruchet 3135ce96bcf5SSakari Ailus endpoint = fwnode_graph_get_next_endpoint(dev_fwnode(&client->dev), 3136ce96bcf5SSakari Ailus NULL); 313719a81c14SSteve Longerbeam if (!endpoint) { 313819a81c14SSteve Longerbeam dev_err(dev, "endpoint node not found\n"); 313919a81c14SSteve Longerbeam return -EINVAL; 314019a81c14SSteve Longerbeam } 314119a81c14SSteve Longerbeam 314219a81c14SSteve Longerbeam ret = v4l2_fwnode_endpoint_parse(endpoint, &sensor->ep); 314319a81c14SSteve Longerbeam fwnode_handle_put(endpoint); 314419a81c14SSteve Longerbeam if (ret) { 314519a81c14SSteve Longerbeam dev_err(dev, "Could not parse endpoint\n"); 314619a81c14SSteve Longerbeam return ret; 314719a81c14SSteve Longerbeam } 314819a81c14SSteve Longerbeam 31492c61e48dSLad Prabhakar if (sensor->ep.bus_type != V4L2_MBUS_PARALLEL && 31502c61e48dSLad Prabhakar sensor->ep.bus_type != V4L2_MBUS_CSI2_DPHY && 31512c61e48dSLad Prabhakar sensor->ep.bus_type != V4L2_MBUS_BT656) { 31522c61e48dSLad Prabhakar dev_err(dev, "Unsupported bus type %d\n", sensor->ep.bus_type); 31532c61e48dSLad Prabhakar return -EINVAL; 31542c61e48dSLad Prabhakar } 31552c61e48dSLad Prabhakar 315619a81c14SSteve Longerbeam /* get system clock (xclk) */ 315719a81c14SSteve Longerbeam sensor->xclk = devm_clk_get(dev, "xclk"); 315819a81c14SSteve Longerbeam if (IS_ERR(sensor->xclk)) { 315919a81c14SSteve Longerbeam dev_err(dev, "failed to get xclk\n"); 316019a81c14SSteve Longerbeam return PTR_ERR(sensor->xclk); 316119a81c14SSteve Longerbeam } 316219a81c14SSteve Longerbeam 316319a81c14SSteve Longerbeam sensor->xclk_freq = clk_get_rate(sensor->xclk); 316419a81c14SSteve Longerbeam if (sensor->xclk_freq < OV5640_XCLK_MIN || 316519a81c14SSteve Longerbeam sensor->xclk_freq > OV5640_XCLK_MAX) { 316619a81c14SSteve Longerbeam dev_err(dev, "xclk frequency out of range: %d Hz\n", 316719a81c14SSteve Longerbeam sensor->xclk_freq); 316819a81c14SSteve Longerbeam return -EINVAL; 316919a81c14SSteve Longerbeam } 317019a81c14SSteve Longerbeam 317119a81c14SSteve Longerbeam /* request optional power down pin */ 317219a81c14SSteve Longerbeam sensor->pwdn_gpio = devm_gpiod_get_optional(dev, "powerdown", 317319a81c14SSteve Longerbeam GPIOD_OUT_HIGH); 31748791a102SFabio Estevam if (IS_ERR(sensor->pwdn_gpio)) 31758791a102SFabio Estevam return PTR_ERR(sensor->pwdn_gpio); 31768791a102SFabio Estevam 317719a81c14SSteve Longerbeam /* request optional reset pin */ 317819a81c14SSteve Longerbeam sensor->reset_gpio = devm_gpiod_get_optional(dev, "reset", 317919a81c14SSteve Longerbeam GPIOD_OUT_HIGH); 31808791a102SFabio Estevam if (IS_ERR(sensor->reset_gpio)) 31818791a102SFabio Estevam return PTR_ERR(sensor->reset_gpio); 318219a81c14SSteve Longerbeam 318319a81c14SSteve Longerbeam v4l2_i2c_subdev_init(&sensor->sd, client, &ov5640_subdev_ops); 318419a81c14SSteve Longerbeam 31852d18fbc5SAkinobu Mita sensor->sd.flags |= V4L2_SUBDEV_FL_HAS_DEVNODE | 31862d18fbc5SAkinobu Mita V4L2_SUBDEV_FL_HAS_EVENTS; 318719a81c14SSteve Longerbeam sensor->pad.flags = MEDIA_PAD_FL_SOURCE; 318819a81c14SSteve Longerbeam sensor->sd.entity.function = MEDIA_ENT_F_CAM_SENSOR; 318919a81c14SSteve Longerbeam ret = media_entity_pads_init(&sensor->sd.entity, 1, &sensor->pad); 319019a81c14SSteve Longerbeam if (ret) 319119a81c14SSteve Longerbeam return ret; 319219a81c14SSteve Longerbeam 319319a81c14SSteve Longerbeam ret = ov5640_get_regulators(sensor); 319419a81c14SSteve Longerbeam if (ret) 319519a81c14SSteve Longerbeam return ret; 319619a81c14SSteve Longerbeam 319719a81c14SSteve Longerbeam mutex_init(&sensor->lock); 319819a81c14SSteve Longerbeam 31990f7acb52SHugues Fruchet ret = ov5640_check_chip_id(sensor); 32000f7acb52SHugues Fruchet if (ret) 32010f7acb52SHugues Fruchet goto entity_cleanup; 32020f7acb52SHugues Fruchet 320319a81c14SSteve Longerbeam ret = ov5640_init_controls(sensor); 320419a81c14SSteve Longerbeam if (ret) 320519a81c14SSteve Longerbeam goto entity_cleanup; 320619a81c14SSteve Longerbeam 320715786f7bSSakari Ailus ret = v4l2_async_register_subdev_sensor(&sensor->sd); 320819a81c14SSteve Longerbeam if (ret) 320919a81c14SSteve Longerbeam goto free_ctrls; 321019a81c14SSteve Longerbeam 321119a81c14SSteve Longerbeam return 0; 321219a81c14SSteve Longerbeam 321319a81c14SSteve Longerbeam free_ctrls: 321419a81c14SSteve Longerbeam v4l2_ctrl_handler_free(&sensor->ctrls.handler); 321519a81c14SSteve Longerbeam entity_cleanup: 321619a81c14SSteve Longerbeam media_entity_cleanup(&sensor->sd.entity); 3217bfcba38dSTomi Valkeinen mutex_destroy(&sensor->lock); 321819a81c14SSteve Longerbeam return ret; 321919a81c14SSteve Longerbeam } 322019a81c14SSteve Longerbeam 322119a81c14SSteve Longerbeam static int ov5640_remove(struct i2c_client *client) 322219a81c14SSteve Longerbeam { 322319a81c14SSteve Longerbeam struct v4l2_subdev *sd = i2c_get_clientdata(client); 322419a81c14SSteve Longerbeam struct ov5640_dev *sensor = to_ov5640_dev(sd); 322519a81c14SSteve Longerbeam 322619a81c14SSteve Longerbeam v4l2_async_unregister_subdev(&sensor->sd); 322719a81c14SSteve Longerbeam media_entity_cleanup(&sensor->sd.entity); 322819a81c14SSteve Longerbeam v4l2_ctrl_handler_free(&sensor->ctrls.handler); 3229bfcba38dSTomi Valkeinen mutex_destroy(&sensor->lock); 323019a81c14SSteve Longerbeam 323119a81c14SSteve Longerbeam return 0; 323219a81c14SSteve Longerbeam } 323319a81c14SSteve Longerbeam 323419a81c14SSteve Longerbeam static const struct i2c_device_id ov5640_id[] = { 323519a81c14SSteve Longerbeam {"ov5640", 0}, 323619a81c14SSteve Longerbeam {}, 323719a81c14SSteve Longerbeam }; 323819a81c14SSteve Longerbeam MODULE_DEVICE_TABLE(i2c, ov5640_id); 323919a81c14SSteve Longerbeam 324019a81c14SSteve Longerbeam static const struct of_device_id ov5640_dt_ids[] = { 324119a81c14SSteve Longerbeam { .compatible = "ovti,ov5640" }, 324219a81c14SSteve Longerbeam { /* sentinel */ } 324319a81c14SSteve Longerbeam }; 324419a81c14SSteve Longerbeam MODULE_DEVICE_TABLE(of, ov5640_dt_ids); 324519a81c14SSteve Longerbeam 324619a81c14SSteve Longerbeam static struct i2c_driver ov5640_i2c_driver = { 324719a81c14SSteve Longerbeam .driver = { 324819a81c14SSteve Longerbeam .name = "ov5640", 324919a81c14SSteve Longerbeam .of_match_table = ov5640_dt_ids, 325019a81c14SSteve Longerbeam }, 325119a81c14SSteve Longerbeam .id_table = ov5640_id, 3252e6714993SKieran Bingham .probe_new = ov5640_probe, 325319a81c14SSteve Longerbeam .remove = ov5640_remove, 325419a81c14SSteve Longerbeam }; 325519a81c14SSteve Longerbeam 325619a81c14SSteve Longerbeam module_i2c_driver(ov5640_i2c_driver); 325719a81c14SSteve Longerbeam 325819a81c14SSteve Longerbeam MODULE_DESCRIPTION("OV5640 MIPI Camera Subdev Driver"); 325919a81c14SSteve Longerbeam MODULE_LICENSE("GPL"); 3260