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 { 101*32ea5e05SHugues Fruchet OV5640_MODE_QQVGA_160_120 = 0, 102*32ea5e05SHugues 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 121b7ed3abdSLoic Poulain enum ov5640_format_mux { 122b7ed3abdSLoic Poulain OV5640_FMT_MUX_YUV422 = 0, 123b7ed3abdSLoic Poulain OV5640_FMT_MUX_RGB, 124b7ed3abdSLoic Poulain OV5640_FMT_MUX_DITHER, 125b7ed3abdSLoic Poulain OV5640_FMT_MUX_RAW_DPC, 126b7ed3abdSLoic Poulain OV5640_FMT_MUX_SNR_RAW, 127b7ed3abdSLoic Poulain OV5640_FMT_MUX_RAW_CIP, 128b7ed3abdSLoic Poulain }; 129b7ed3abdSLoic Poulain 130e3ee691dSHugues Fruchet struct ov5640_pixfmt { 131e3ee691dSHugues Fruchet u32 code; 132e3ee691dSHugues Fruchet u32 colorspace; 133e3ee691dSHugues Fruchet }; 134e3ee691dSHugues Fruchet 135e3ee691dSHugues Fruchet static const struct ov5640_pixfmt ov5640_formats[] = { 136d47c4126SHugues Fruchet { MEDIA_BUS_FMT_JPEG_1X8, V4L2_COLORSPACE_JPEG, }, 137e3ee691dSHugues Fruchet { MEDIA_BUS_FMT_UYVY8_2X8, V4L2_COLORSPACE_SRGB, }, 138e3ee691dSHugues Fruchet { MEDIA_BUS_FMT_YUYV8_2X8, V4L2_COLORSPACE_SRGB, }, 139e3ee691dSHugues Fruchet { MEDIA_BUS_FMT_RGB565_2X8_LE, V4L2_COLORSPACE_SRGB, }, 140e3ee691dSHugues Fruchet { MEDIA_BUS_FMT_RGB565_2X8_BE, V4L2_COLORSPACE_SRGB, }, 141b7ed3abdSLoic Poulain { MEDIA_BUS_FMT_SBGGR8_1X8, V4L2_COLORSPACE_SRGB, }, 142b7ed3abdSLoic Poulain { MEDIA_BUS_FMT_SGBRG8_1X8, V4L2_COLORSPACE_SRGB, }, 143b7ed3abdSLoic Poulain { MEDIA_BUS_FMT_SGRBG8_1X8, V4L2_COLORSPACE_SRGB, }, 144b7ed3abdSLoic Poulain { MEDIA_BUS_FMT_SRGGB8_1X8, V4L2_COLORSPACE_SRGB, }, 145e3ee691dSHugues Fruchet }; 146e3ee691dSHugues Fruchet 14719a81c14SSteve Longerbeam /* 14819a81c14SSteve Longerbeam * FIXME: remove this when a subdev API becomes available 14919a81c14SSteve Longerbeam * to set the MIPI CSI-2 virtual channel. 15019a81c14SSteve Longerbeam */ 15119a81c14SSteve Longerbeam static unsigned int virtual_channel; 1528670d70aSHugues Fruchet module_param(virtual_channel, uint, 0444); 15319a81c14SSteve Longerbeam MODULE_PARM_DESC(virtual_channel, 15419a81c14SSteve Longerbeam "MIPI CSI-2 virtual channel (0..3), default 0"); 15519a81c14SSteve Longerbeam 15619a81c14SSteve Longerbeam static const int ov5640_framerates[] = { 15719a81c14SSteve Longerbeam [OV5640_15_FPS] = 15, 15819a81c14SSteve Longerbeam [OV5640_30_FPS] = 30, 159e823fb16SMaxime Ripard [OV5640_60_FPS] = 60, 16019a81c14SSteve Longerbeam }; 16119a81c14SSteve Longerbeam 16219a81c14SSteve Longerbeam /* regulator supplies */ 16319a81c14SSteve Longerbeam static const char * const ov5640_supply_name[] = { 16441d8d7f5SHugues Fruchet "DOVDD", /* Digital I/O (1.8V) supply */ 16519a81c14SSteve Longerbeam "AVDD", /* Analog (2.8V) supply */ 16624c8ac89SFabio Estevam "DVDD", /* Digital Core (1.5V) supply */ 16719a81c14SSteve Longerbeam }; 16819a81c14SSteve Longerbeam 16919a81c14SSteve Longerbeam #define OV5640_NUM_SUPPLIES ARRAY_SIZE(ov5640_supply_name) 17019a81c14SSteve Longerbeam 17119a81c14SSteve Longerbeam /* 17219a81c14SSteve Longerbeam * Image size under 1280 * 960 are SUBSAMPLING 17319a81c14SSteve Longerbeam * Image size upper 1280 * 960 are SCALING 17419a81c14SSteve Longerbeam */ 17519a81c14SSteve Longerbeam enum ov5640_downsize_mode { 17619a81c14SSteve Longerbeam SUBSAMPLING, 17719a81c14SSteve Longerbeam SCALING, 17819a81c14SSteve Longerbeam }; 17919a81c14SSteve Longerbeam 18019a81c14SSteve Longerbeam struct reg_value { 18119a81c14SSteve Longerbeam u16 reg_addr; 18219a81c14SSteve Longerbeam u8 val; 18319a81c14SSteve Longerbeam u8 mask; 18419a81c14SSteve Longerbeam u32 delay_ms; 18519a81c14SSteve Longerbeam }; 18619a81c14SSteve Longerbeam 18719a81c14SSteve Longerbeam struct ov5640_mode_info { 18819a81c14SSteve Longerbeam enum ov5640_mode_id id; 18919a81c14SSteve Longerbeam enum ov5640_downsize_mode dn_mode; 190dba13a0bSMaxime Ripard u32 hact; 191476dec01SMaxime Ripard u32 htot; 192dba13a0bSMaxime Ripard u32 vact; 193476dec01SMaxime Ripard u32 vtot; 19419a81c14SSteve Longerbeam const struct reg_value *reg_data; 19519a81c14SSteve Longerbeam u32 reg_data_size; 1965554c80eSAdam Ford u32 max_fps; 19719a81c14SSteve Longerbeam }; 19819a81c14SSteve Longerbeam 19919a81c14SSteve Longerbeam struct ov5640_ctrls { 20019a81c14SSteve Longerbeam struct v4l2_ctrl_handler handler; 201cc196e48SBenoit Parrot struct v4l2_ctrl *pixel_rate; 20219a81c14SSteve Longerbeam struct { 20319a81c14SSteve Longerbeam struct v4l2_ctrl *auto_exp; 20419a81c14SSteve Longerbeam struct v4l2_ctrl *exposure; 20519a81c14SSteve Longerbeam }; 20619a81c14SSteve Longerbeam struct { 20719a81c14SSteve Longerbeam struct v4l2_ctrl *auto_wb; 20819a81c14SSteve Longerbeam struct v4l2_ctrl *blue_balance; 20919a81c14SSteve Longerbeam struct v4l2_ctrl *red_balance; 21019a81c14SSteve Longerbeam }; 21119a81c14SSteve Longerbeam struct { 21219a81c14SSteve Longerbeam struct v4l2_ctrl *auto_gain; 21319a81c14SSteve Longerbeam struct v4l2_ctrl *gain; 21419a81c14SSteve Longerbeam }; 21519a81c14SSteve Longerbeam struct v4l2_ctrl *brightness; 2161068fecaSMylène Josserand struct v4l2_ctrl *light_freq; 21719a81c14SSteve Longerbeam struct v4l2_ctrl *saturation; 21819a81c14SSteve Longerbeam struct v4l2_ctrl *contrast; 21919a81c14SSteve Longerbeam struct v4l2_ctrl *hue; 22019a81c14SSteve Longerbeam struct v4l2_ctrl *test_pattern; 221ce85705aSHugues Fruchet struct v4l2_ctrl *hflip; 222ce85705aSHugues Fruchet struct v4l2_ctrl *vflip; 22319a81c14SSteve Longerbeam }; 22419a81c14SSteve Longerbeam 22519a81c14SSteve Longerbeam struct ov5640_dev { 22619a81c14SSteve Longerbeam struct i2c_client *i2c_client; 22719a81c14SSteve Longerbeam struct v4l2_subdev sd; 22819a81c14SSteve Longerbeam struct media_pad pad; 22919a81c14SSteve Longerbeam struct v4l2_fwnode_endpoint ep; /* the parsed DT endpoint info */ 23019a81c14SSteve Longerbeam struct clk *xclk; /* system clock to OV5640 */ 23119a81c14SSteve Longerbeam u32 xclk_freq; 23219a81c14SSteve Longerbeam 23319a81c14SSteve Longerbeam struct regulator_bulk_data supplies[OV5640_NUM_SUPPLIES]; 23419a81c14SSteve Longerbeam struct gpio_desc *reset_gpio; 23519a81c14SSteve Longerbeam struct gpio_desc *pwdn_gpio; 236c3f3ba3eSHugues Fruchet bool upside_down; 23719a81c14SSteve Longerbeam 23819a81c14SSteve Longerbeam /* lock to protect all members below */ 23919a81c14SSteve Longerbeam struct mutex lock; 24019a81c14SSteve Longerbeam 24119a81c14SSteve Longerbeam int power_count; 24219a81c14SSteve Longerbeam 24319a81c14SSteve Longerbeam struct v4l2_mbus_framefmt fmt; 244fb98e29fSHugues Fruchet bool pending_fmt_change; 24519a81c14SSteve Longerbeam 24619a81c14SSteve Longerbeam const struct ov5640_mode_info *current_mode; 247985cdcb0SHugues Fruchet const struct ov5640_mode_info *last_mode; 24819a81c14SSteve Longerbeam enum ov5640_frame_rate current_fr; 24919a81c14SSteve Longerbeam struct v4l2_fract frame_interval; 25019a81c14SSteve Longerbeam 25119a81c14SSteve Longerbeam struct ov5640_ctrls ctrls; 25219a81c14SSteve Longerbeam 25319a81c14SSteve Longerbeam u32 prev_sysclk, prev_hts; 25419a81c14SSteve Longerbeam u32 ae_low, ae_high, ae_target; 25519a81c14SSteve Longerbeam 25619a81c14SSteve Longerbeam bool pending_mode_change; 25719a81c14SSteve Longerbeam bool streaming; 25819a81c14SSteve Longerbeam }; 25919a81c14SSteve Longerbeam 26019a81c14SSteve Longerbeam static inline struct ov5640_dev *to_ov5640_dev(struct v4l2_subdev *sd) 26119a81c14SSteve Longerbeam { 26219a81c14SSteve Longerbeam return container_of(sd, struct ov5640_dev, sd); 26319a81c14SSteve Longerbeam } 26419a81c14SSteve Longerbeam 26519a81c14SSteve Longerbeam static inline struct v4l2_subdev *ctrl_to_sd(struct v4l2_ctrl *ctrl) 26619a81c14SSteve Longerbeam { 26719a81c14SSteve Longerbeam return &container_of(ctrl->handler, struct ov5640_dev, 26819a81c14SSteve Longerbeam ctrls.handler)->sd; 26919a81c14SSteve Longerbeam } 27019a81c14SSteve Longerbeam 27119a81c14SSteve Longerbeam /* 27219a81c14SSteve Longerbeam * FIXME: all of these register tables are likely filled with 27319a81c14SSteve Longerbeam * entries that set the register to their power-on default values, 27419a81c14SSteve Longerbeam * and which are otherwise not touched by this driver. Those entries 27519a81c14SSteve Longerbeam * should be identified and removed to speed register load time 27619a81c14SSteve Longerbeam * over i2c. 27719a81c14SSteve Longerbeam */ 278fb98e29fSHugues Fruchet /* YUV422 UYVY VGA@30fps */ 27919a81c14SSteve Longerbeam static const struct reg_value ov5640_init_setting_30fps_VGA[] = { 28019a81c14SSteve Longerbeam {0x3103, 0x11, 0, 0}, {0x3008, 0x82, 0, 5}, {0x3008, 0x42, 0, 0}, 281576f5d4bSLad Prabhakar {0x3103, 0x03, 0, 0}, {0x3630, 0x36, 0, 0}, 28219a81c14SSteve Longerbeam {0x3631, 0x0e, 0, 0}, {0x3632, 0xe2, 0, 0}, {0x3633, 0x12, 0, 0}, 28319a81c14SSteve Longerbeam {0x3621, 0xe0, 0, 0}, {0x3704, 0xa0, 0, 0}, {0x3703, 0x5a, 0, 0}, 28419a81c14SSteve Longerbeam {0x3715, 0x78, 0, 0}, {0x3717, 0x01, 0, 0}, {0x370b, 0x60, 0, 0}, 28519a81c14SSteve Longerbeam {0x3705, 0x1a, 0, 0}, {0x3905, 0x02, 0, 0}, {0x3906, 0x10, 0, 0}, 28619a81c14SSteve Longerbeam {0x3901, 0x0a, 0, 0}, {0x3731, 0x12, 0, 0}, {0x3600, 0x08, 0, 0}, 28719a81c14SSteve Longerbeam {0x3601, 0x33, 0, 0}, {0x302d, 0x60, 0, 0}, {0x3620, 0x52, 0, 0}, 28819a81c14SSteve Longerbeam {0x371b, 0x20, 0, 0}, {0x471c, 0x50, 0, 0}, {0x3a13, 0x43, 0, 0}, 28919a81c14SSteve Longerbeam {0x3a18, 0x00, 0, 0}, {0x3a19, 0xf8, 0, 0}, {0x3635, 0x13, 0, 0}, 29019a81c14SSteve Longerbeam {0x3636, 0x03, 0, 0}, {0x3634, 0x40, 0, 0}, {0x3622, 0x01, 0, 0}, 29119a81c14SSteve Longerbeam {0x3c01, 0xa4, 0, 0}, {0x3c04, 0x28, 0, 0}, {0x3c05, 0x98, 0, 0}, 29219a81c14SSteve Longerbeam {0x3c06, 0x00, 0, 0}, {0x3c07, 0x08, 0, 0}, {0x3c08, 0x00, 0, 0}, 29319a81c14SSteve Longerbeam {0x3c09, 0x1c, 0, 0}, {0x3c0a, 0x9c, 0, 0}, {0x3c0b, 0x40, 0, 0}, 29419a81c14SSteve Longerbeam {0x3820, 0x41, 0, 0}, {0x3821, 0x07, 0, 0}, {0x3814, 0x31, 0, 0}, 29519a81c14SSteve Longerbeam {0x3815, 0x31, 0, 0}, {0x3800, 0x00, 0, 0}, {0x3801, 0x00, 0, 0}, 29619a81c14SSteve Longerbeam {0x3802, 0x00, 0, 0}, {0x3803, 0x04, 0, 0}, {0x3804, 0x0a, 0, 0}, 29719a81c14SSteve Longerbeam {0x3805, 0x3f, 0, 0}, {0x3806, 0x07, 0, 0}, {0x3807, 0x9b, 0, 0}, 298476dec01SMaxime Ripard {0x3810, 0x00, 0, 0}, 29919a81c14SSteve Longerbeam {0x3811, 0x10, 0, 0}, {0x3812, 0x00, 0, 0}, {0x3813, 0x06, 0, 0}, 30019a81c14SSteve Longerbeam {0x3618, 0x00, 0, 0}, {0x3612, 0x29, 0, 0}, {0x3708, 0x64, 0, 0}, 30119a81c14SSteve Longerbeam {0x3709, 0x52, 0, 0}, {0x370c, 0x03, 0, 0}, {0x3a02, 0x03, 0, 0}, 30219a81c14SSteve Longerbeam {0x3a03, 0xd8, 0, 0}, {0x3a08, 0x01, 0, 0}, {0x3a09, 0x27, 0, 0}, 30319a81c14SSteve Longerbeam {0x3a0a, 0x00, 0, 0}, {0x3a0b, 0xf6, 0, 0}, {0x3a0e, 0x03, 0, 0}, 30419a81c14SSteve Longerbeam {0x3a0d, 0x04, 0, 0}, {0x3a14, 0x03, 0, 0}, {0x3a15, 0xd8, 0, 0}, 30519a81c14SSteve Longerbeam {0x4001, 0x02, 0, 0}, {0x4004, 0x02, 0, 0}, {0x3000, 0x00, 0, 0}, 30619a81c14SSteve Longerbeam {0x3002, 0x1c, 0, 0}, {0x3004, 0xff, 0, 0}, {0x3006, 0xc3, 0, 0}, 307aa4bb8b8SJacopo Mondi {0x302e, 0x08, 0, 0}, {0x4300, 0x3f, 0, 0}, 3082b5c18f9SChen-Yu Tsai {0x501f, 0x00, 0, 0}, {0x4407, 0x04, 0, 0}, 30919a81c14SSteve Longerbeam {0x440e, 0x00, 0, 0}, {0x460b, 0x35, 0, 0}, {0x460c, 0x22, 0, 0}, 310aa4bb8b8SJacopo Mondi {0x4837, 0x0a, 0, 0}, {0x3824, 0x02, 0, 0}, 31119a81c14SSteve Longerbeam {0x5000, 0xa7, 0, 0}, {0x5001, 0xa3, 0, 0}, {0x5180, 0xff, 0, 0}, 31219a81c14SSteve Longerbeam {0x5181, 0xf2, 0, 0}, {0x5182, 0x00, 0, 0}, {0x5183, 0x14, 0, 0}, 31319a81c14SSteve Longerbeam {0x5184, 0x25, 0, 0}, {0x5185, 0x24, 0, 0}, {0x5186, 0x09, 0, 0}, 31419a81c14SSteve Longerbeam {0x5187, 0x09, 0, 0}, {0x5188, 0x09, 0, 0}, {0x5189, 0x88, 0, 0}, 31519a81c14SSteve Longerbeam {0x518a, 0x54, 0, 0}, {0x518b, 0xee, 0, 0}, {0x518c, 0xb2, 0, 0}, 31619a81c14SSteve Longerbeam {0x518d, 0x50, 0, 0}, {0x518e, 0x34, 0, 0}, {0x518f, 0x6b, 0, 0}, 31719a81c14SSteve Longerbeam {0x5190, 0x46, 0, 0}, {0x5191, 0xf8, 0, 0}, {0x5192, 0x04, 0, 0}, 31819a81c14SSteve Longerbeam {0x5193, 0x70, 0, 0}, {0x5194, 0xf0, 0, 0}, {0x5195, 0xf0, 0, 0}, 31919a81c14SSteve Longerbeam {0x5196, 0x03, 0, 0}, {0x5197, 0x01, 0, 0}, {0x5198, 0x04, 0, 0}, 32019a81c14SSteve Longerbeam {0x5199, 0x6c, 0, 0}, {0x519a, 0x04, 0, 0}, {0x519b, 0x00, 0, 0}, 32119a81c14SSteve Longerbeam {0x519c, 0x09, 0, 0}, {0x519d, 0x2b, 0, 0}, {0x519e, 0x38, 0, 0}, 32219a81c14SSteve Longerbeam {0x5381, 0x1e, 0, 0}, {0x5382, 0x5b, 0, 0}, {0x5383, 0x08, 0, 0}, 32319a81c14SSteve Longerbeam {0x5384, 0x0a, 0, 0}, {0x5385, 0x7e, 0, 0}, {0x5386, 0x88, 0, 0}, 32419a81c14SSteve Longerbeam {0x5387, 0x7c, 0, 0}, {0x5388, 0x6c, 0, 0}, {0x5389, 0x10, 0, 0}, 32519a81c14SSteve Longerbeam {0x538a, 0x01, 0, 0}, {0x538b, 0x98, 0, 0}, {0x5300, 0x08, 0, 0}, 32619a81c14SSteve Longerbeam {0x5301, 0x30, 0, 0}, {0x5302, 0x10, 0, 0}, {0x5303, 0x00, 0, 0}, 32719a81c14SSteve Longerbeam {0x5304, 0x08, 0, 0}, {0x5305, 0x30, 0, 0}, {0x5306, 0x08, 0, 0}, 32819a81c14SSteve Longerbeam {0x5307, 0x16, 0, 0}, {0x5309, 0x08, 0, 0}, {0x530a, 0x30, 0, 0}, 32919a81c14SSteve Longerbeam {0x530b, 0x04, 0, 0}, {0x530c, 0x06, 0, 0}, {0x5480, 0x01, 0, 0}, 33019a81c14SSteve Longerbeam {0x5481, 0x08, 0, 0}, {0x5482, 0x14, 0, 0}, {0x5483, 0x28, 0, 0}, 33119a81c14SSteve Longerbeam {0x5484, 0x51, 0, 0}, {0x5485, 0x65, 0, 0}, {0x5486, 0x71, 0, 0}, 33219a81c14SSteve Longerbeam {0x5487, 0x7d, 0, 0}, {0x5488, 0x87, 0, 0}, {0x5489, 0x91, 0, 0}, 33319a81c14SSteve Longerbeam {0x548a, 0x9a, 0, 0}, {0x548b, 0xaa, 0, 0}, {0x548c, 0xb8, 0, 0}, 33419a81c14SSteve Longerbeam {0x548d, 0xcd, 0, 0}, {0x548e, 0xdd, 0, 0}, {0x548f, 0xea, 0, 0}, 33519a81c14SSteve Longerbeam {0x5490, 0x1d, 0, 0}, {0x5580, 0x02, 0, 0}, {0x5583, 0x40, 0, 0}, 33619a81c14SSteve Longerbeam {0x5584, 0x10, 0, 0}, {0x5589, 0x10, 0, 0}, {0x558a, 0x00, 0, 0}, 33719a81c14SSteve Longerbeam {0x558b, 0xf8, 0, 0}, {0x5800, 0x23, 0, 0}, {0x5801, 0x14, 0, 0}, 33819a81c14SSteve Longerbeam {0x5802, 0x0f, 0, 0}, {0x5803, 0x0f, 0, 0}, {0x5804, 0x12, 0, 0}, 33919a81c14SSteve Longerbeam {0x5805, 0x26, 0, 0}, {0x5806, 0x0c, 0, 0}, {0x5807, 0x08, 0, 0}, 34019a81c14SSteve Longerbeam {0x5808, 0x05, 0, 0}, {0x5809, 0x05, 0, 0}, {0x580a, 0x08, 0, 0}, 34119a81c14SSteve Longerbeam {0x580b, 0x0d, 0, 0}, {0x580c, 0x08, 0, 0}, {0x580d, 0x03, 0, 0}, 34219a81c14SSteve Longerbeam {0x580e, 0x00, 0, 0}, {0x580f, 0x00, 0, 0}, {0x5810, 0x03, 0, 0}, 34319a81c14SSteve Longerbeam {0x5811, 0x09, 0, 0}, {0x5812, 0x07, 0, 0}, {0x5813, 0x03, 0, 0}, 34419a81c14SSteve Longerbeam {0x5814, 0x00, 0, 0}, {0x5815, 0x01, 0, 0}, {0x5816, 0x03, 0, 0}, 34519a81c14SSteve Longerbeam {0x5817, 0x08, 0, 0}, {0x5818, 0x0d, 0, 0}, {0x5819, 0x08, 0, 0}, 34619a81c14SSteve Longerbeam {0x581a, 0x05, 0, 0}, {0x581b, 0x06, 0, 0}, {0x581c, 0x08, 0, 0}, 34719a81c14SSteve Longerbeam {0x581d, 0x0e, 0, 0}, {0x581e, 0x29, 0, 0}, {0x581f, 0x17, 0, 0}, 34819a81c14SSteve Longerbeam {0x5820, 0x11, 0, 0}, {0x5821, 0x11, 0, 0}, {0x5822, 0x15, 0, 0}, 34919a81c14SSteve Longerbeam {0x5823, 0x28, 0, 0}, {0x5824, 0x46, 0, 0}, {0x5825, 0x26, 0, 0}, 35019a81c14SSteve Longerbeam {0x5826, 0x08, 0, 0}, {0x5827, 0x26, 0, 0}, {0x5828, 0x64, 0, 0}, 35119a81c14SSteve Longerbeam {0x5829, 0x26, 0, 0}, {0x582a, 0x24, 0, 0}, {0x582b, 0x22, 0, 0}, 35219a81c14SSteve Longerbeam {0x582c, 0x24, 0, 0}, {0x582d, 0x24, 0, 0}, {0x582e, 0x06, 0, 0}, 35319a81c14SSteve Longerbeam {0x582f, 0x22, 0, 0}, {0x5830, 0x40, 0, 0}, {0x5831, 0x42, 0, 0}, 35419a81c14SSteve Longerbeam {0x5832, 0x24, 0, 0}, {0x5833, 0x26, 0, 0}, {0x5834, 0x24, 0, 0}, 35519a81c14SSteve Longerbeam {0x5835, 0x22, 0, 0}, {0x5836, 0x22, 0, 0}, {0x5837, 0x26, 0, 0}, 35619a81c14SSteve Longerbeam {0x5838, 0x44, 0, 0}, {0x5839, 0x24, 0, 0}, {0x583a, 0x26, 0, 0}, 35719a81c14SSteve Longerbeam {0x583b, 0x28, 0, 0}, {0x583c, 0x42, 0, 0}, {0x583d, 0xce, 0, 0}, 35819a81c14SSteve Longerbeam {0x5025, 0x00, 0, 0}, {0x3a0f, 0x30, 0, 0}, {0x3a10, 0x28, 0, 0}, 35919a81c14SSteve Longerbeam {0x3a1b, 0x30, 0, 0}, {0x3a1e, 0x26, 0, 0}, {0x3a11, 0x60, 0, 0}, 36019a81c14SSteve Longerbeam {0x3a1f, 0x14, 0, 0}, {0x3008, 0x02, 0, 0}, {0x3c00, 0x04, 0, 300}, 36119a81c14SSteve Longerbeam }; 36219a81c14SSteve Longerbeam 363086c25f8SMaxime Ripard static const struct reg_value ov5640_setting_VGA_640_480[] = { 364c14d107eSMaxime Ripard {0x3c07, 0x08, 0, 0}, 36519a81c14SSteve Longerbeam {0x3c09, 0x1c, 0, 0}, {0x3c0a, 0x9c, 0, 0}, {0x3c0b, 0x40, 0, 0}, 366ce85705aSHugues Fruchet {0x3814, 0x31, 0, 0}, 36719a81c14SSteve Longerbeam {0x3815, 0x31, 0, 0}, {0x3800, 0x00, 0, 0}, {0x3801, 0x00, 0, 0}, 36819a81c14SSteve Longerbeam {0x3802, 0x00, 0, 0}, {0x3803, 0x04, 0, 0}, {0x3804, 0x0a, 0, 0}, 36919a81c14SSteve Longerbeam {0x3805, 0x3f, 0, 0}, {0x3806, 0x07, 0, 0}, {0x3807, 0x9b, 0, 0}, 370476dec01SMaxime Ripard {0x3810, 0x00, 0, 0}, 37119a81c14SSteve Longerbeam {0x3811, 0x10, 0, 0}, {0x3812, 0x00, 0, 0}, {0x3813, 0x06, 0, 0}, 37219a81c14SSteve Longerbeam {0x3618, 0x00, 0, 0}, {0x3612, 0x29, 0, 0}, {0x3708, 0x64, 0, 0}, 37319a81c14SSteve Longerbeam {0x3709, 0x52, 0, 0}, {0x370c, 0x03, 0, 0}, {0x3a02, 0x03, 0, 0}, 37419a81c14SSteve Longerbeam {0x3a03, 0xd8, 0, 0}, {0x3a08, 0x01, 0, 0}, {0x3a09, 0x27, 0, 0}, 37519a81c14SSteve Longerbeam {0x3a0a, 0x00, 0, 0}, {0x3a0b, 0xf6, 0, 0}, {0x3a0e, 0x03, 0, 0}, 37619a81c14SSteve Longerbeam {0x3a0d, 0x04, 0, 0}, {0x3a14, 0x03, 0, 0}, {0x3a15, 0xd8, 0, 0}, 3772b5c18f9SChen-Yu Tsai {0x4001, 0x02, 0, 0}, {0x4004, 0x02, 0, 0}, 37819a81c14SSteve Longerbeam {0x4407, 0x04, 0, 0}, {0x460b, 0x35, 0, 0}, {0x460c, 0x22, 0, 0}, 37919a81c14SSteve Longerbeam {0x3824, 0x02, 0, 0}, {0x5001, 0xa3, 0, 0}, 38019a81c14SSteve Longerbeam }; 38119a81c14SSteve Longerbeam 382086c25f8SMaxime Ripard static const struct reg_value ov5640_setting_XGA_1024_768[] = { 383c14d107eSMaxime Ripard {0x3c07, 0x08, 0, 0}, 38419a81c14SSteve Longerbeam {0x3c09, 0x1c, 0, 0}, {0x3c0a, 0x9c, 0, 0}, {0x3c0b, 0x40, 0, 0}, 385ce85705aSHugues Fruchet {0x3814, 0x31, 0, 0}, 38619a81c14SSteve Longerbeam {0x3815, 0x31, 0, 0}, {0x3800, 0x00, 0, 0}, {0x3801, 0x00, 0, 0}, 38719a81c14SSteve Longerbeam {0x3802, 0x00, 0, 0}, {0x3803, 0x04, 0, 0}, {0x3804, 0x0a, 0, 0}, 38819a81c14SSteve Longerbeam {0x3805, 0x3f, 0, 0}, {0x3806, 0x07, 0, 0}, {0x3807, 0x9b, 0, 0}, 389476dec01SMaxime Ripard {0x3810, 0x00, 0, 0}, 39019a81c14SSteve Longerbeam {0x3811, 0x10, 0, 0}, {0x3812, 0x00, 0, 0}, {0x3813, 0x06, 0, 0}, 39119a81c14SSteve Longerbeam {0x3618, 0x00, 0, 0}, {0x3612, 0x29, 0, 0}, {0x3708, 0x64, 0, 0}, 39219a81c14SSteve Longerbeam {0x3709, 0x52, 0, 0}, {0x370c, 0x03, 0, 0}, {0x3a02, 0x03, 0, 0}, 39319a81c14SSteve Longerbeam {0x3a03, 0xd8, 0, 0}, {0x3a08, 0x01, 0, 0}, {0x3a09, 0x27, 0, 0}, 39419a81c14SSteve Longerbeam {0x3a0a, 0x00, 0, 0}, {0x3a0b, 0xf6, 0, 0}, {0x3a0e, 0x03, 0, 0}, 39519a81c14SSteve Longerbeam {0x3a0d, 0x04, 0, 0}, {0x3a14, 0x03, 0, 0}, {0x3a15, 0xd8, 0, 0}, 3962b5c18f9SChen-Yu Tsai {0x4001, 0x02, 0, 0}, {0x4004, 0x02, 0, 0}, 39719a81c14SSteve Longerbeam {0x4407, 0x04, 0, 0}, {0x460b, 0x35, 0, 0}, {0x460c, 0x22, 0, 0}, 39886633417SMaxime Ripard {0x3824, 0x02, 0, 0}, {0x5001, 0xa3, 0, 0}, 39919a81c14SSteve Longerbeam }; 40019a81c14SSteve Longerbeam 401086c25f8SMaxime Ripard static const struct reg_value ov5640_setting_QVGA_320_240[] = { 402c14d107eSMaxime Ripard {0x3c07, 0x08, 0, 0}, 40319a81c14SSteve Longerbeam {0x3c09, 0x1c, 0, 0}, {0x3c0a, 0x9c, 0, 0}, {0x3c0b, 0x40, 0, 0}, 404ce85705aSHugues Fruchet {0x3814, 0x31, 0, 0}, 40519a81c14SSteve Longerbeam {0x3815, 0x31, 0, 0}, {0x3800, 0x00, 0, 0}, {0x3801, 0x00, 0, 0}, 40619a81c14SSteve Longerbeam {0x3802, 0x00, 0, 0}, {0x3803, 0x04, 0, 0}, {0x3804, 0x0a, 0, 0}, 40719a81c14SSteve Longerbeam {0x3805, 0x3f, 0, 0}, {0x3806, 0x07, 0, 0}, {0x3807, 0x9b, 0, 0}, 408476dec01SMaxime Ripard {0x3810, 0x00, 0, 0}, 40919a81c14SSteve Longerbeam {0x3811, 0x10, 0, 0}, {0x3812, 0x00, 0, 0}, {0x3813, 0x06, 0, 0}, 41019a81c14SSteve Longerbeam {0x3618, 0x00, 0, 0}, {0x3612, 0x29, 0, 0}, {0x3708, 0x64, 0, 0}, 41119a81c14SSteve Longerbeam {0x3709, 0x52, 0, 0}, {0x370c, 0x03, 0, 0}, {0x3a02, 0x03, 0, 0}, 41219a81c14SSteve Longerbeam {0x3a03, 0xd8, 0, 0}, {0x3a08, 0x01, 0, 0}, {0x3a09, 0x27, 0, 0}, 41319a81c14SSteve Longerbeam {0x3a0a, 0x00, 0, 0}, {0x3a0b, 0xf6, 0, 0}, {0x3a0e, 0x03, 0, 0}, 41419a81c14SSteve Longerbeam {0x3a0d, 0x04, 0, 0}, {0x3a14, 0x03, 0, 0}, {0x3a15, 0xd8, 0, 0}, 4152b5c18f9SChen-Yu Tsai {0x4001, 0x02, 0, 0}, {0x4004, 0x02, 0, 0}, 41619a81c14SSteve Longerbeam {0x4407, 0x04, 0, 0}, {0x460b, 0x35, 0, 0}, {0x460c, 0x22, 0, 0}, 41719a81c14SSteve Longerbeam {0x3824, 0x02, 0, 0}, {0x5001, 0xa3, 0, 0}, 41819a81c14SSteve Longerbeam }; 41919a81c14SSteve Longerbeam 420*32ea5e05SHugues Fruchet static const struct reg_value ov5640_setting_QQVGA_160_120[] = { 421*32ea5e05SHugues Fruchet {0x3c07, 0x08, 0, 0}, 422*32ea5e05SHugues Fruchet {0x3c09, 0x1c, 0, 0}, {0x3c0a, 0x9c, 0, 0}, {0x3c0b, 0x40, 0, 0}, 423*32ea5e05SHugues Fruchet {0x3814, 0x31, 0, 0}, 424*32ea5e05SHugues Fruchet {0x3815, 0x31, 0, 0}, {0x3800, 0x00, 0, 0}, {0x3801, 0x00, 0, 0}, 425*32ea5e05SHugues Fruchet {0x3802, 0x00, 0, 0}, {0x3803, 0x04, 0, 0}, {0x3804, 0x0a, 0, 0}, 426*32ea5e05SHugues Fruchet {0x3805, 0x3f, 0, 0}, {0x3806, 0x07, 0, 0}, {0x3807, 0x9b, 0, 0}, 427*32ea5e05SHugues Fruchet {0x3810, 0x00, 0, 0}, 428*32ea5e05SHugues Fruchet {0x3811, 0x10, 0, 0}, {0x3812, 0x00, 0, 0}, {0x3813, 0x06, 0, 0}, 429*32ea5e05SHugues Fruchet {0x3618, 0x00, 0, 0}, {0x3612, 0x29, 0, 0}, {0x3708, 0x64, 0, 0}, 430*32ea5e05SHugues Fruchet {0x3709, 0x52, 0, 0}, {0x370c, 0x03, 0, 0}, {0x3a02, 0x03, 0, 0}, 431*32ea5e05SHugues Fruchet {0x3a03, 0xd8, 0, 0}, {0x3a08, 0x01, 0, 0}, {0x3a09, 0x27, 0, 0}, 432*32ea5e05SHugues Fruchet {0x3a0a, 0x00, 0, 0}, {0x3a0b, 0xf6, 0, 0}, {0x3a0e, 0x03, 0, 0}, 433*32ea5e05SHugues Fruchet {0x3a0d, 0x04, 0, 0}, {0x3a14, 0x03, 0, 0}, {0x3a15, 0xd8, 0, 0}, 434*32ea5e05SHugues Fruchet {0x4001, 0x02, 0, 0}, {0x4004, 0x02, 0, 0}, 435*32ea5e05SHugues Fruchet {0x4407, 0x04, 0, 0}, {0x5001, 0xa3, 0, 0}, 436*32ea5e05SHugues Fruchet }; 437*32ea5e05SHugues Fruchet 438086c25f8SMaxime Ripard static const struct reg_value ov5640_setting_QCIF_176_144[] = { 439c14d107eSMaxime Ripard {0x3c07, 0x08, 0, 0}, 44019a81c14SSteve Longerbeam {0x3c09, 0x1c, 0, 0}, {0x3c0a, 0x9c, 0, 0}, {0x3c0b, 0x40, 0, 0}, 441ce85705aSHugues Fruchet {0x3814, 0x31, 0, 0}, 44219a81c14SSteve Longerbeam {0x3815, 0x31, 0, 0}, {0x3800, 0x00, 0, 0}, {0x3801, 0x00, 0, 0}, 44319a81c14SSteve Longerbeam {0x3802, 0x00, 0, 0}, {0x3803, 0x04, 0, 0}, {0x3804, 0x0a, 0, 0}, 44419a81c14SSteve Longerbeam {0x3805, 0x3f, 0, 0}, {0x3806, 0x07, 0, 0}, {0x3807, 0x9b, 0, 0}, 445476dec01SMaxime Ripard {0x3810, 0x00, 0, 0}, 44619a81c14SSteve Longerbeam {0x3811, 0x10, 0, 0}, {0x3812, 0x00, 0, 0}, {0x3813, 0x06, 0, 0}, 44719a81c14SSteve Longerbeam {0x3618, 0x00, 0, 0}, {0x3612, 0x29, 0, 0}, {0x3708, 0x64, 0, 0}, 44819a81c14SSteve Longerbeam {0x3709, 0x52, 0, 0}, {0x370c, 0x03, 0, 0}, {0x3a02, 0x03, 0, 0}, 44919a81c14SSteve Longerbeam {0x3a03, 0xd8, 0, 0}, {0x3a08, 0x01, 0, 0}, {0x3a09, 0x27, 0, 0}, 45019a81c14SSteve Longerbeam {0x3a0a, 0x00, 0, 0}, {0x3a0b, 0xf6, 0, 0}, {0x3a0e, 0x03, 0, 0}, 45119a81c14SSteve Longerbeam {0x3a0d, 0x04, 0, 0}, {0x3a14, 0x03, 0, 0}, {0x3a15, 0xd8, 0, 0}, 4522b5c18f9SChen-Yu Tsai {0x4001, 0x02, 0, 0}, {0x4004, 0x02, 0, 0}, 45319a81c14SSteve Longerbeam {0x4407, 0x04, 0, 0}, {0x460b, 0x35, 0, 0}, {0x460c, 0x22, 0, 0}, 45419a81c14SSteve Longerbeam {0x3824, 0x02, 0, 0}, {0x5001, 0xa3, 0, 0}, 45519a81c14SSteve Longerbeam }; 45619a81c14SSteve Longerbeam 457086c25f8SMaxime Ripard static const struct reg_value ov5640_setting_NTSC_720_480[] = { 458c14d107eSMaxime Ripard {0x3c07, 0x08, 0, 0}, 45919a81c14SSteve Longerbeam {0x3c09, 0x1c, 0, 0}, {0x3c0a, 0x9c, 0, 0}, {0x3c0b, 0x40, 0, 0}, 460ce85705aSHugues Fruchet {0x3814, 0x31, 0, 0}, 46119a81c14SSteve Longerbeam {0x3815, 0x31, 0, 0}, {0x3800, 0x00, 0, 0}, {0x3801, 0x00, 0, 0}, 46219a81c14SSteve Longerbeam {0x3802, 0x00, 0, 0}, {0x3803, 0x04, 0, 0}, {0x3804, 0x0a, 0, 0}, 46319a81c14SSteve Longerbeam {0x3805, 0x3f, 0, 0}, {0x3806, 0x07, 0, 0}, {0x3807, 0x9b, 0, 0}, 464476dec01SMaxime Ripard {0x3810, 0x00, 0, 0}, 46519a81c14SSteve Longerbeam {0x3811, 0x10, 0, 0}, {0x3812, 0x00, 0, 0}, {0x3813, 0x3c, 0, 0}, 46619a81c14SSteve Longerbeam {0x3618, 0x00, 0, 0}, {0x3612, 0x29, 0, 0}, {0x3708, 0x64, 0, 0}, 46719a81c14SSteve Longerbeam {0x3709, 0x52, 0, 0}, {0x370c, 0x03, 0, 0}, {0x3a02, 0x03, 0, 0}, 46819a81c14SSteve Longerbeam {0x3a03, 0xd8, 0, 0}, {0x3a08, 0x01, 0, 0}, {0x3a09, 0x27, 0, 0}, 46919a81c14SSteve Longerbeam {0x3a0a, 0x00, 0, 0}, {0x3a0b, 0xf6, 0, 0}, {0x3a0e, 0x03, 0, 0}, 47019a81c14SSteve Longerbeam {0x3a0d, 0x04, 0, 0}, {0x3a14, 0x03, 0, 0}, {0x3a15, 0xd8, 0, 0}, 4712b5c18f9SChen-Yu Tsai {0x4001, 0x02, 0, 0}, {0x4004, 0x02, 0, 0}, 47219a81c14SSteve Longerbeam {0x4407, 0x04, 0, 0}, {0x460b, 0x35, 0, 0}, {0x460c, 0x22, 0, 0}, 47319a81c14SSteve Longerbeam {0x3824, 0x02, 0, 0}, {0x5001, 0xa3, 0, 0}, 47419a81c14SSteve Longerbeam }; 47519a81c14SSteve Longerbeam 476086c25f8SMaxime Ripard static const struct reg_value ov5640_setting_PAL_720_576[] = { 477c14d107eSMaxime Ripard {0x3c07, 0x08, 0, 0}, 47819a81c14SSteve Longerbeam {0x3c09, 0x1c, 0, 0}, {0x3c0a, 0x9c, 0, 0}, {0x3c0b, 0x40, 0, 0}, 479ce85705aSHugues Fruchet {0x3814, 0x31, 0, 0}, 48019a81c14SSteve Longerbeam {0x3815, 0x31, 0, 0}, {0x3800, 0x00, 0, 0}, {0x3801, 0x00, 0, 0}, 48119a81c14SSteve Longerbeam {0x3802, 0x00, 0, 0}, {0x3803, 0x04, 0, 0}, {0x3804, 0x0a, 0, 0}, 48219a81c14SSteve Longerbeam {0x3805, 0x3f, 0, 0}, {0x3806, 0x07, 0, 0}, {0x3807, 0x9b, 0, 0}, 483476dec01SMaxime Ripard {0x3810, 0x00, 0, 0}, 48419a81c14SSteve Longerbeam {0x3811, 0x38, 0, 0}, {0x3812, 0x00, 0, 0}, {0x3813, 0x06, 0, 0}, 48519a81c14SSteve Longerbeam {0x3618, 0x00, 0, 0}, {0x3612, 0x29, 0, 0}, {0x3708, 0x64, 0, 0}, 48619a81c14SSteve Longerbeam {0x3709, 0x52, 0, 0}, {0x370c, 0x03, 0, 0}, {0x3a02, 0x03, 0, 0}, 48719a81c14SSteve Longerbeam {0x3a03, 0xd8, 0, 0}, {0x3a08, 0x01, 0, 0}, {0x3a09, 0x27, 0, 0}, 48819a81c14SSteve Longerbeam {0x3a0a, 0x00, 0, 0}, {0x3a0b, 0xf6, 0, 0}, {0x3a0e, 0x03, 0, 0}, 48919a81c14SSteve Longerbeam {0x3a0d, 0x04, 0, 0}, {0x3a14, 0x03, 0, 0}, {0x3a15, 0xd8, 0, 0}, 4902b5c18f9SChen-Yu Tsai {0x4001, 0x02, 0, 0}, {0x4004, 0x02, 0, 0}, 49119a81c14SSteve Longerbeam {0x4407, 0x04, 0, 0}, {0x460b, 0x35, 0, 0}, {0x460c, 0x22, 0, 0}, 49219a81c14SSteve Longerbeam {0x3824, 0x02, 0, 0}, {0x5001, 0xa3, 0, 0}, 49319a81c14SSteve Longerbeam }; 49419a81c14SSteve Longerbeam 495086c25f8SMaxime Ripard static const struct reg_value ov5640_setting_720P_1280_720[] = { 496c14d107eSMaxime Ripard {0x3c07, 0x07, 0, 0}, 49719a81c14SSteve Longerbeam {0x3c09, 0x1c, 0, 0}, {0x3c0a, 0x9c, 0, 0}, {0x3c0b, 0x40, 0, 0}, 498ce85705aSHugues Fruchet {0x3814, 0x31, 0, 0}, 49919a81c14SSteve Longerbeam {0x3815, 0x31, 0, 0}, {0x3800, 0x00, 0, 0}, {0x3801, 0x00, 0, 0}, 50019a81c14SSteve Longerbeam {0x3802, 0x00, 0, 0}, {0x3803, 0xfa, 0, 0}, {0x3804, 0x0a, 0, 0}, 50119a81c14SSteve Longerbeam {0x3805, 0x3f, 0, 0}, {0x3806, 0x06, 0, 0}, {0x3807, 0xa9, 0, 0}, 502476dec01SMaxime Ripard {0x3810, 0x00, 0, 0}, 50319a81c14SSteve Longerbeam {0x3811, 0x10, 0, 0}, {0x3812, 0x00, 0, 0}, {0x3813, 0x04, 0, 0}, 50419a81c14SSteve Longerbeam {0x3618, 0x00, 0, 0}, {0x3612, 0x29, 0, 0}, {0x3708, 0x64, 0, 0}, 50519a81c14SSteve Longerbeam {0x3709, 0x52, 0, 0}, {0x370c, 0x03, 0, 0}, {0x3a02, 0x02, 0, 0}, 50619a81c14SSteve Longerbeam {0x3a03, 0xe4, 0, 0}, {0x3a08, 0x01, 0, 0}, {0x3a09, 0xbc, 0, 0}, 50719a81c14SSteve Longerbeam {0x3a0a, 0x01, 0, 0}, {0x3a0b, 0x72, 0, 0}, {0x3a0e, 0x01, 0, 0}, 50819a81c14SSteve Longerbeam {0x3a0d, 0x02, 0, 0}, {0x3a14, 0x02, 0, 0}, {0x3a15, 0xe4, 0, 0}, 5092b5c18f9SChen-Yu Tsai {0x4001, 0x02, 0, 0}, {0x4004, 0x02, 0, 0}, 51019a81c14SSteve Longerbeam {0x4407, 0x04, 0, 0}, {0x460b, 0x37, 0, 0}, {0x460c, 0x20, 0, 0}, 51119a81c14SSteve Longerbeam {0x3824, 0x04, 0, 0}, {0x5001, 0x83, 0, 0}, 51219a81c14SSteve Longerbeam }; 51319a81c14SSteve Longerbeam 514086c25f8SMaxime Ripard static const struct reg_value ov5640_setting_1080P_1920_1080[] = { 515c14d107eSMaxime Ripard {0x3c07, 0x08, 0, 0}, 51619a81c14SSteve Longerbeam {0x3c09, 0x1c, 0, 0}, {0x3c0a, 0x9c, 0, 0}, {0x3c0b, 0x40, 0, 0}, 517ce85705aSHugues Fruchet {0x3814, 0x11, 0, 0}, 51819a81c14SSteve Longerbeam {0x3815, 0x11, 0, 0}, {0x3800, 0x00, 0, 0}, {0x3801, 0x00, 0, 0}, 51919a81c14SSteve Longerbeam {0x3802, 0x00, 0, 0}, {0x3803, 0x00, 0, 0}, {0x3804, 0x0a, 0, 0}, 52019a81c14SSteve Longerbeam {0x3805, 0x3f, 0, 0}, {0x3806, 0x07, 0, 0}, {0x3807, 0x9f, 0, 0}, 521476dec01SMaxime Ripard {0x3810, 0x00, 0, 0}, 52219a81c14SSteve Longerbeam {0x3811, 0x10, 0, 0}, {0x3812, 0x00, 0, 0}, {0x3813, 0x04, 0, 0}, 52319a81c14SSteve Longerbeam {0x3618, 0x04, 0, 0}, {0x3612, 0x29, 0, 0}, {0x3708, 0x21, 0, 0}, 52419a81c14SSteve Longerbeam {0x3709, 0x12, 0, 0}, {0x370c, 0x00, 0, 0}, {0x3a02, 0x03, 0, 0}, 52519a81c14SSteve Longerbeam {0x3a03, 0xd8, 0, 0}, {0x3a08, 0x01, 0, 0}, {0x3a09, 0x27, 0, 0}, 52619a81c14SSteve Longerbeam {0x3a0a, 0x00, 0, 0}, {0x3a0b, 0xf6, 0, 0}, {0x3a0e, 0x03, 0, 0}, 52719a81c14SSteve Longerbeam {0x3a0d, 0x04, 0, 0}, {0x3a14, 0x03, 0, 0}, {0x3a15, 0xd8, 0, 0}, 5282b5c18f9SChen-Yu Tsai {0x4001, 0x02, 0, 0}, {0x4004, 0x06, 0, 0}, 52919a81c14SSteve Longerbeam {0x4407, 0x04, 0, 0}, {0x460b, 0x35, 0, 0}, {0x460c, 0x22, 0, 0}, 530c14d107eSMaxime Ripard {0x3824, 0x02, 0, 0}, {0x5001, 0x83, 0, 0}, 531c14d107eSMaxime Ripard {0x3c07, 0x07, 0, 0}, {0x3c08, 0x00, 0, 0}, 53219a81c14SSteve Longerbeam {0x3c09, 0x1c, 0, 0}, {0x3c0a, 0x9c, 0, 0}, {0x3c0b, 0x40, 0, 0}, 53319a81c14SSteve Longerbeam {0x3800, 0x01, 0, 0}, {0x3801, 0x50, 0, 0}, {0x3802, 0x01, 0, 0}, 53419a81c14SSteve Longerbeam {0x3803, 0xb2, 0, 0}, {0x3804, 0x08, 0, 0}, {0x3805, 0xef, 0, 0}, 53586633417SMaxime Ripard {0x3806, 0x05, 0, 0}, {0x3807, 0xf1, 0, 0}, 536476dec01SMaxime Ripard {0x3612, 0x2b, 0, 0}, {0x3708, 0x64, 0, 0}, 53719a81c14SSteve Longerbeam {0x3a02, 0x04, 0, 0}, {0x3a03, 0x60, 0, 0}, {0x3a08, 0x01, 0, 0}, 53819a81c14SSteve Longerbeam {0x3a09, 0x50, 0, 0}, {0x3a0a, 0x01, 0, 0}, {0x3a0b, 0x18, 0, 0}, 53919a81c14SSteve Longerbeam {0x3a0e, 0x03, 0, 0}, {0x3a0d, 0x04, 0, 0}, {0x3a14, 0x04, 0, 0}, 5402b5c18f9SChen-Yu Tsai {0x3a15, 0x60, 0, 0}, {0x4407, 0x04, 0, 0}, 54119a81c14SSteve Longerbeam {0x460b, 0x37, 0, 0}, {0x460c, 0x20, 0, 0}, {0x3824, 0x04, 0, 0}, 54292b9096cSBenoit Parrot {0x4005, 0x1a, 0, 0}, 54319a81c14SSteve Longerbeam }; 54419a81c14SSteve Longerbeam 545086c25f8SMaxime Ripard static const struct reg_value ov5640_setting_QSXGA_2592_1944[] = { 546c14d107eSMaxime Ripard {0x3c07, 0x08, 0, 0}, 54719a81c14SSteve Longerbeam {0x3c09, 0x1c, 0, 0}, {0x3c0a, 0x9c, 0, 0}, {0x3c0b, 0x40, 0, 0}, 548ce85705aSHugues Fruchet {0x3814, 0x11, 0, 0}, 54919a81c14SSteve Longerbeam {0x3815, 0x11, 0, 0}, {0x3800, 0x00, 0, 0}, {0x3801, 0x00, 0, 0}, 55019a81c14SSteve Longerbeam {0x3802, 0x00, 0, 0}, {0x3803, 0x00, 0, 0}, {0x3804, 0x0a, 0, 0}, 55119a81c14SSteve Longerbeam {0x3805, 0x3f, 0, 0}, {0x3806, 0x07, 0, 0}, {0x3807, 0x9f, 0, 0}, 552476dec01SMaxime Ripard {0x3810, 0x00, 0, 0}, 55319a81c14SSteve Longerbeam {0x3811, 0x10, 0, 0}, {0x3812, 0x00, 0, 0}, {0x3813, 0x04, 0, 0}, 55419a81c14SSteve Longerbeam {0x3618, 0x04, 0, 0}, {0x3612, 0x29, 0, 0}, {0x3708, 0x21, 0, 0}, 55519a81c14SSteve Longerbeam {0x3709, 0x12, 0, 0}, {0x370c, 0x00, 0, 0}, {0x3a02, 0x03, 0, 0}, 55619a81c14SSteve Longerbeam {0x3a03, 0xd8, 0, 0}, {0x3a08, 0x01, 0, 0}, {0x3a09, 0x27, 0, 0}, 55719a81c14SSteve Longerbeam {0x3a0a, 0x00, 0, 0}, {0x3a0b, 0xf6, 0, 0}, {0x3a0e, 0x03, 0, 0}, 55819a81c14SSteve Longerbeam {0x3a0d, 0x04, 0, 0}, {0x3a14, 0x03, 0, 0}, {0x3a15, 0xd8, 0, 0}, 5592b5c18f9SChen-Yu Tsai {0x4001, 0x02, 0, 0}, {0x4004, 0x06, 0, 0}, 56019a81c14SSteve Longerbeam {0x4407, 0x04, 0, 0}, {0x460b, 0x35, 0, 0}, {0x460c, 0x22, 0, 0}, 56119a81c14SSteve Longerbeam {0x3824, 0x02, 0, 0}, {0x5001, 0x83, 0, 70}, 56219a81c14SSteve Longerbeam }; 56319a81c14SSteve Longerbeam 56419a81c14SSteve Longerbeam /* power-on sensor init reg table */ 56519a81c14SSteve Longerbeam static const struct ov5640_mode_info ov5640_mode_init_data = { 566476dec01SMaxime Ripard 0, SUBSAMPLING, 640, 1896, 480, 984, 567476dec01SMaxime Ripard ov5640_init_setting_30fps_VGA, 56819a81c14SSteve Longerbeam ARRAY_SIZE(ov5640_init_setting_30fps_VGA), 5695554c80eSAdam Ford OV5640_30_FPS, 57019a81c14SSteve Longerbeam }; 57119a81c14SSteve Longerbeam 57219a81c14SSteve Longerbeam static const struct ov5640_mode_info 573086c25f8SMaxime Ripard ov5640_mode_data[OV5640_NUM_MODES] = { 574*32ea5e05SHugues Fruchet {OV5640_MODE_QQVGA_160_120, SUBSAMPLING, 575*32ea5e05SHugues Fruchet 160, 1896, 120, 984, 576*32ea5e05SHugues Fruchet ov5640_setting_QQVGA_160_120, 577*32ea5e05SHugues Fruchet ARRAY_SIZE(ov5640_setting_QQVGA_160_120), 578*32ea5e05SHugues Fruchet OV5640_30_FPS}, 579476dec01SMaxime Ripard {OV5640_MODE_QCIF_176_144, SUBSAMPLING, 580476dec01SMaxime Ripard 176, 1896, 144, 984, 581086c25f8SMaxime Ripard ov5640_setting_QCIF_176_144, 5825554c80eSAdam Ford ARRAY_SIZE(ov5640_setting_QCIF_176_144), 5835554c80eSAdam Ford OV5640_30_FPS}, 584476dec01SMaxime Ripard {OV5640_MODE_QVGA_320_240, SUBSAMPLING, 585476dec01SMaxime Ripard 320, 1896, 240, 984, 586086c25f8SMaxime Ripard ov5640_setting_QVGA_320_240, 5875554c80eSAdam Ford ARRAY_SIZE(ov5640_setting_QVGA_320_240), 5885554c80eSAdam Ford OV5640_30_FPS}, 589476dec01SMaxime Ripard {OV5640_MODE_VGA_640_480, SUBSAMPLING, 590476dec01SMaxime Ripard 640, 1896, 480, 1080, 591086c25f8SMaxime Ripard ov5640_setting_VGA_640_480, 5925554c80eSAdam Ford ARRAY_SIZE(ov5640_setting_VGA_640_480), 5935554c80eSAdam Ford OV5640_60_FPS}, 594476dec01SMaxime Ripard {OV5640_MODE_NTSC_720_480, SUBSAMPLING, 595476dec01SMaxime Ripard 720, 1896, 480, 984, 596086c25f8SMaxime Ripard ov5640_setting_NTSC_720_480, 5975554c80eSAdam Ford ARRAY_SIZE(ov5640_setting_NTSC_720_480), 5985554c80eSAdam Ford OV5640_30_FPS}, 599476dec01SMaxime Ripard {OV5640_MODE_PAL_720_576, SUBSAMPLING, 600476dec01SMaxime Ripard 720, 1896, 576, 984, 601086c25f8SMaxime Ripard ov5640_setting_PAL_720_576, 6025554c80eSAdam Ford ARRAY_SIZE(ov5640_setting_PAL_720_576), 6035554c80eSAdam Ford OV5640_30_FPS}, 604476dec01SMaxime Ripard {OV5640_MODE_XGA_1024_768, SUBSAMPLING, 605476dec01SMaxime Ripard 1024, 1896, 768, 1080, 606086c25f8SMaxime Ripard ov5640_setting_XGA_1024_768, 6075554c80eSAdam Ford ARRAY_SIZE(ov5640_setting_XGA_1024_768), 6085554c80eSAdam Ford OV5640_30_FPS}, 609476dec01SMaxime Ripard {OV5640_MODE_720P_1280_720, SUBSAMPLING, 610476dec01SMaxime Ripard 1280, 1892, 720, 740, 611086c25f8SMaxime Ripard ov5640_setting_720P_1280_720, 6125554c80eSAdam Ford ARRAY_SIZE(ov5640_setting_720P_1280_720), 6135554c80eSAdam Ford OV5640_30_FPS}, 614476dec01SMaxime Ripard {OV5640_MODE_1080P_1920_1080, SCALING, 615476dec01SMaxime Ripard 1920, 2500, 1080, 1120, 616086c25f8SMaxime Ripard ov5640_setting_1080P_1920_1080, 6175554c80eSAdam Ford ARRAY_SIZE(ov5640_setting_1080P_1920_1080), 6185554c80eSAdam Ford OV5640_30_FPS}, 619476dec01SMaxime Ripard {OV5640_MODE_QSXGA_2592_1944, SCALING, 620476dec01SMaxime Ripard 2592, 2844, 1944, 1968, 621086c25f8SMaxime Ripard ov5640_setting_QSXGA_2592_1944, 6225554c80eSAdam Ford ARRAY_SIZE(ov5640_setting_QSXGA_2592_1944), 6235554c80eSAdam Ford OV5640_15_FPS}, 62419a81c14SSteve Longerbeam }; 62519a81c14SSteve Longerbeam 62619a81c14SSteve Longerbeam static int ov5640_init_slave_id(struct ov5640_dev *sensor) 62719a81c14SSteve Longerbeam { 62819a81c14SSteve Longerbeam struct i2c_client *client = sensor->i2c_client; 62919a81c14SSteve Longerbeam struct i2c_msg msg; 63019a81c14SSteve Longerbeam u8 buf[3]; 63119a81c14SSteve Longerbeam int ret; 63219a81c14SSteve Longerbeam 63319a81c14SSteve Longerbeam if (client->addr == OV5640_DEFAULT_SLAVE_ID) 63419a81c14SSteve Longerbeam return 0; 63519a81c14SSteve Longerbeam 63619a81c14SSteve Longerbeam buf[0] = OV5640_REG_SLAVE_ID >> 8; 63719a81c14SSteve Longerbeam buf[1] = OV5640_REG_SLAVE_ID & 0xff; 63819a81c14SSteve Longerbeam buf[2] = client->addr << 1; 63919a81c14SSteve Longerbeam 64019a81c14SSteve Longerbeam msg.addr = OV5640_DEFAULT_SLAVE_ID; 64119a81c14SSteve Longerbeam msg.flags = 0; 64219a81c14SSteve Longerbeam msg.buf = buf; 64319a81c14SSteve Longerbeam msg.len = sizeof(buf); 64419a81c14SSteve Longerbeam 64519a81c14SSteve Longerbeam ret = i2c_transfer(client->adapter, &msg, 1); 64619a81c14SSteve Longerbeam if (ret < 0) { 64719a81c14SSteve Longerbeam dev_err(&client->dev, "%s: failed with %d\n", __func__, ret); 64819a81c14SSteve Longerbeam return ret; 64919a81c14SSteve Longerbeam } 65019a81c14SSteve Longerbeam 65119a81c14SSteve Longerbeam return 0; 65219a81c14SSteve Longerbeam } 65319a81c14SSteve Longerbeam 65419a81c14SSteve Longerbeam static int ov5640_write_reg(struct ov5640_dev *sensor, u16 reg, u8 val) 65519a81c14SSteve Longerbeam { 65619a81c14SSteve Longerbeam struct i2c_client *client = sensor->i2c_client; 65719a81c14SSteve Longerbeam struct i2c_msg msg; 65819a81c14SSteve Longerbeam u8 buf[3]; 65919a81c14SSteve Longerbeam int ret; 66019a81c14SSteve Longerbeam 66119a81c14SSteve Longerbeam buf[0] = reg >> 8; 66219a81c14SSteve Longerbeam buf[1] = reg & 0xff; 66319a81c14SSteve Longerbeam buf[2] = val; 66419a81c14SSteve Longerbeam 66519a81c14SSteve Longerbeam msg.addr = client->addr; 66619a81c14SSteve Longerbeam msg.flags = client->flags; 66719a81c14SSteve Longerbeam msg.buf = buf; 66819a81c14SSteve Longerbeam msg.len = sizeof(buf); 66919a81c14SSteve Longerbeam 67019a81c14SSteve Longerbeam ret = i2c_transfer(client->adapter, &msg, 1); 67119a81c14SSteve Longerbeam if (ret < 0) { 6723924c623SHugues Fruchet dev_err(&client->dev, "%s: error: reg=%x, val=%x\n", 67319a81c14SSteve Longerbeam __func__, reg, val); 67419a81c14SSteve Longerbeam return ret; 67519a81c14SSteve Longerbeam } 67619a81c14SSteve Longerbeam 67719a81c14SSteve Longerbeam return 0; 67819a81c14SSteve Longerbeam } 67919a81c14SSteve Longerbeam 68019a81c14SSteve Longerbeam static int ov5640_read_reg(struct ov5640_dev *sensor, u16 reg, u8 *val) 68119a81c14SSteve Longerbeam { 68219a81c14SSteve Longerbeam struct i2c_client *client = sensor->i2c_client; 68319a81c14SSteve Longerbeam struct i2c_msg msg[2]; 68419a81c14SSteve Longerbeam u8 buf[2]; 68519a81c14SSteve Longerbeam int ret; 68619a81c14SSteve Longerbeam 68719a81c14SSteve Longerbeam buf[0] = reg >> 8; 68819a81c14SSteve Longerbeam buf[1] = reg & 0xff; 68919a81c14SSteve Longerbeam 69019a81c14SSteve Longerbeam msg[0].addr = client->addr; 69119a81c14SSteve Longerbeam msg[0].flags = client->flags; 69219a81c14SSteve Longerbeam msg[0].buf = buf; 69319a81c14SSteve Longerbeam msg[0].len = sizeof(buf); 69419a81c14SSteve Longerbeam 69519a81c14SSteve Longerbeam msg[1].addr = client->addr; 69619a81c14SSteve Longerbeam msg[1].flags = client->flags | I2C_M_RD; 69719a81c14SSteve Longerbeam msg[1].buf = buf; 69819a81c14SSteve Longerbeam msg[1].len = 1; 69919a81c14SSteve Longerbeam 70019a81c14SSteve Longerbeam ret = i2c_transfer(client->adapter, msg, 2); 7013924c623SHugues Fruchet if (ret < 0) { 7023924c623SHugues Fruchet dev_err(&client->dev, "%s: error: reg=%x\n", 7033924c623SHugues Fruchet __func__, reg); 70419a81c14SSteve Longerbeam return ret; 7053924c623SHugues Fruchet } 70619a81c14SSteve Longerbeam 70719a81c14SSteve Longerbeam *val = buf[0]; 70819a81c14SSteve Longerbeam return 0; 70919a81c14SSteve Longerbeam } 71019a81c14SSteve Longerbeam 71119a81c14SSteve Longerbeam static int ov5640_read_reg16(struct ov5640_dev *sensor, u16 reg, u16 *val) 71219a81c14SSteve Longerbeam { 71319a81c14SSteve Longerbeam u8 hi, lo; 71419a81c14SSteve Longerbeam int ret; 71519a81c14SSteve Longerbeam 71619a81c14SSteve Longerbeam ret = ov5640_read_reg(sensor, reg, &hi); 71719a81c14SSteve Longerbeam if (ret) 71819a81c14SSteve Longerbeam return ret; 71919a81c14SSteve Longerbeam ret = ov5640_read_reg(sensor, reg + 1, &lo); 72019a81c14SSteve Longerbeam if (ret) 72119a81c14SSteve Longerbeam return ret; 72219a81c14SSteve Longerbeam 72319a81c14SSteve Longerbeam *val = ((u16)hi << 8) | (u16)lo; 72419a81c14SSteve Longerbeam return 0; 72519a81c14SSteve Longerbeam } 72619a81c14SSteve Longerbeam 72719a81c14SSteve Longerbeam static int ov5640_write_reg16(struct ov5640_dev *sensor, u16 reg, u16 val) 72819a81c14SSteve Longerbeam { 72919a81c14SSteve Longerbeam int ret; 73019a81c14SSteve Longerbeam 73119a81c14SSteve Longerbeam ret = ov5640_write_reg(sensor, reg, val >> 8); 73219a81c14SSteve Longerbeam if (ret) 73319a81c14SSteve Longerbeam return ret; 73419a81c14SSteve Longerbeam 73519a81c14SSteve Longerbeam return ov5640_write_reg(sensor, reg + 1, val & 0xff); 73619a81c14SSteve Longerbeam } 73719a81c14SSteve Longerbeam 73819a81c14SSteve Longerbeam static int ov5640_mod_reg(struct ov5640_dev *sensor, u16 reg, 73919a81c14SSteve Longerbeam u8 mask, u8 val) 74019a81c14SSteve Longerbeam { 74119a81c14SSteve Longerbeam u8 readval; 74219a81c14SSteve Longerbeam int ret; 74319a81c14SSteve Longerbeam 74419a81c14SSteve Longerbeam ret = ov5640_read_reg(sensor, reg, &readval); 74519a81c14SSteve Longerbeam if (ret) 74619a81c14SSteve Longerbeam return ret; 74719a81c14SSteve Longerbeam 74819a81c14SSteve Longerbeam readval &= ~mask; 74919a81c14SSteve Longerbeam val &= mask; 75019a81c14SSteve Longerbeam val |= readval; 75119a81c14SSteve Longerbeam 75219a81c14SSteve Longerbeam return ov5640_write_reg(sensor, reg, val); 75319a81c14SSteve Longerbeam } 75419a81c14SSteve Longerbeam 755aa288248SMaxime Ripard /* 756aa288248SMaxime Ripard * After trying the various combinations, reading various 757f8a7647dSMauro Carvalho Chehab * documentations spread around the net, and from the various 758aa288248SMaxime Ripard * feedback, the clock tree is probably as follows: 759aa288248SMaxime Ripard * 760aa288248SMaxime Ripard * +--------------+ 761aa288248SMaxime Ripard * | Ext. Clock | 762aa288248SMaxime Ripard * +-+------------+ 763aa288248SMaxime Ripard * | +----------+ 764aa288248SMaxime Ripard * +->| PLL1 | - reg 0x3036, for the multiplier 765aa288248SMaxime Ripard * +-+--------+ - reg 0x3037, bits 0-3 for the pre-divider 766aa288248SMaxime Ripard * | +--------------+ 767aa288248SMaxime Ripard * +->| System Clock | - reg 0x3035, bits 4-7 768aa288248SMaxime Ripard * +-+------------+ 769aa288248SMaxime Ripard * | +--------------+ 770aa288248SMaxime Ripard * +->| MIPI Divider | - reg 0x3035, bits 0-3 771aa288248SMaxime Ripard * | +-+------------+ 772aa288248SMaxime Ripard * | +----------------> MIPI SCLK 773aa288248SMaxime Ripard * | + +-----+ 774aa288248SMaxime Ripard * | +->| / 2 |-------> MIPI BIT CLK 775aa288248SMaxime Ripard * | +-----+ 776aa288248SMaxime Ripard * | +--------------+ 777aa288248SMaxime Ripard * +->| PLL Root Div | - reg 0x3037, bit 4 778aa288248SMaxime Ripard * +-+------------+ 779aa288248SMaxime Ripard * | +---------+ 7804c85f628SPaul Kocialkowski * +->| Bit Div | - reg 0x3034, bits 0-3 781aa288248SMaxime Ripard * +-+-------+ 782aa288248SMaxime Ripard * | +-------------+ 783aa288248SMaxime Ripard * +->| SCLK Div | - reg 0x3108, bits 0-1 784aa288248SMaxime Ripard * | +-+-----------+ 785aa288248SMaxime Ripard * | +---------------> SCLK 786aa288248SMaxime Ripard * | +-------------+ 787aa288248SMaxime Ripard * +->| SCLK 2X Div | - reg 0x3108, bits 2-3 788aa288248SMaxime Ripard * | +-+-----------+ 789aa288248SMaxime Ripard * | +---------------> SCLK 2X 790aa288248SMaxime Ripard * | +-------------+ 791aa288248SMaxime Ripard * +->| PCLK Div | - reg 0x3108, bits 4-5 792aa288248SMaxime Ripard * ++------------+ 793aa288248SMaxime Ripard * + +-----------+ 794aa288248SMaxime Ripard * +->| P_DIV | - reg 0x3035, bits 0-3 795aa288248SMaxime Ripard * +-----+-----+ 796aa288248SMaxime Ripard * +------------> PCLK 797aa288248SMaxime Ripard * 798aa288248SMaxime Ripard * This is deviating from the datasheet at least for the register 799aa288248SMaxime Ripard * 0x3108, since it's said here that the PCLK would be clocked from 800aa288248SMaxime Ripard * the PLL. 801aa288248SMaxime Ripard * 802aa288248SMaxime Ripard * There seems to be also (unverified) constraints: 803aa288248SMaxime Ripard * - the PLL pre-divider output rate should be in the 4-27MHz range 804aa288248SMaxime Ripard * - the PLL multiplier output rate should be in the 500-1000MHz range 805aa288248SMaxime Ripard * - PCLK >= SCLK * 2 in YUV, >= SCLK in Raw or JPEG 806aa288248SMaxime Ripard * 807aa288248SMaxime Ripard * In the two latter cases, these constraints are met since our 808aa288248SMaxime Ripard * factors are hardcoded. If we were to change that, we would need to 809aa288248SMaxime Ripard * take this into account. The only varying parts are the PLL 810aa288248SMaxime Ripard * multiplier and the system clock divider, which are shared between 811aa288248SMaxime Ripard * all these clocks so won't cause any issue. 812aa288248SMaxime Ripard */ 813aa288248SMaxime Ripard 814aa288248SMaxime Ripard /* 815aa288248SMaxime Ripard * This is supposed to be ranging from 1 to 8, but the value is always 816aa288248SMaxime Ripard * set to 3 in the vendor kernels. 817aa288248SMaxime Ripard */ 818aa288248SMaxime Ripard #define OV5640_PLL_PREDIV 3 819aa288248SMaxime Ripard 820aa288248SMaxime Ripard #define OV5640_PLL_MULT_MIN 4 821aa288248SMaxime Ripard #define OV5640_PLL_MULT_MAX 252 822aa288248SMaxime Ripard 823aa288248SMaxime Ripard /* 824aa288248SMaxime Ripard * This is supposed to be ranging from 1 to 16, but the value is 825aa288248SMaxime Ripard * always set to either 1 or 2 in the vendor kernels. 826aa288248SMaxime Ripard */ 827aa288248SMaxime Ripard #define OV5640_SYSDIV_MIN 1 828aa288248SMaxime Ripard #define OV5640_SYSDIV_MAX 16 829aa288248SMaxime Ripard 830aa288248SMaxime Ripard /* 831aa288248SMaxime Ripard * Hardcode these values for scaler and non-scaler modes. 832aa288248SMaxime Ripard * FIXME: to be re-calcualted for 1 data lanes setups 833aa288248SMaxime Ripard */ 834aa288248SMaxime Ripard #define OV5640_MIPI_DIV_PCLK 2 835aa288248SMaxime Ripard #define OV5640_MIPI_DIV_SCLK 1 836aa288248SMaxime Ripard 837aa288248SMaxime Ripard /* 838aa288248SMaxime Ripard * This is supposed to be ranging from 1 to 2, but the value is always 839aa288248SMaxime Ripard * set to 2 in the vendor kernels. 840aa288248SMaxime Ripard */ 841aa288248SMaxime Ripard #define OV5640_PLL_ROOT_DIV 2 842aa288248SMaxime Ripard #define OV5640_PLL_CTRL3_PLL_ROOT_DIV_2 BIT(4) 843aa288248SMaxime Ripard 844aa288248SMaxime Ripard /* 845aa288248SMaxime Ripard * We only supports 8-bit formats at the moment 846aa288248SMaxime Ripard */ 847aa288248SMaxime Ripard #define OV5640_BIT_DIV 2 848aa288248SMaxime Ripard #define OV5640_PLL_CTRL0_MIPI_MODE_8BIT 0x08 849aa288248SMaxime Ripard 850aa288248SMaxime Ripard /* 851aa288248SMaxime Ripard * This is supposed to be ranging from 1 to 8, but the value is always 852aa288248SMaxime Ripard * set to 2 in the vendor kernels. 853aa288248SMaxime Ripard */ 854aa288248SMaxime Ripard #define OV5640_SCLK_ROOT_DIV 2 855aa288248SMaxime Ripard 856aa288248SMaxime Ripard /* 857aa288248SMaxime Ripard * This is hardcoded so that the consistency is maintained between SCLK and 858aa288248SMaxime Ripard * SCLK 2x. 859aa288248SMaxime Ripard */ 860aa288248SMaxime Ripard #define OV5640_SCLK2X_ROOT_DIV (OV5640_SCLK_ROOT_DIV / 2) 861aa288248SMaxime Ripard 862aa288248SMaxime Ripard /* 863aa288248SMaxime Ripard * This is supposed to be ranging from 1 to 8, but the value is always 864aa288248SMaxime Ripard * set to 1 in the vendor kernels. 865aa288248SMaxime Ripard */ 866aa288248SMaxime Ripard #define OV5640_PCLK_ROOT_DIV 1 867aa288248SMaxime Ripard #define OV5640_PLL_SYS_ROOT_DIVIDER_BYPASS 0x00 868aa288248SMaxime Ripard 869aa288248SMaxime Ripard static unsigned long ov5640_compute_sys_clk(struct ov5640_dev *sensor, 870aa288248SMaxime Ripard u8 pll_prediv, u8 pll_mult, 871aa288248SMaxime Ripard u8 sysdiv) 872aa288248SMaxime Ripard { 873aa288248SMaxime Ripard unsigned long sysclk = sensor->xclk_freq / pll_prediv * pll_mult; 874aa288248SMaxime Ripard 875aa288248SMaxime Ripard /* PLL1 output cannot exceed 1GHz. */ 876aa288248SMaxime Ripard if (sysclk / 1000000 > 1000) 877aa288248SMaxime Ripard return 0; 878aa288248SMaxime Ripard 879aa288248SMaxime Ripard return sysclk / sysdiv; 880aa288248SMaxime Ripard } 881aa288248SMaxime Ripard 882aa288248SMaxime Ripard static unsigned long ov5640_calc_sys_clk(struct ov5640_dev *sensor, 883aa288248SMaxime Ripard unsigned long rate, 884aa288248SMaxime Ripard u8 *pll_prediv, u8 *pll_mult, 885aa288248SMaxime Ripard u8 *sysdiv) 886aa288248SMaxime Ripard { 887aa288248SMaxime Ripard unsigned long best = ~0; 888aa288248SMaxime Ripard u8 best_sysdiv = 1, best_mult = 1; 889aa288248SMaxime Ripard u8 _sysdiv, _pll_mult; 890aa288248SMaxime Ripard 891aa288248SMaxime Ripard for (_sysdiv = OV5640_SYSDIV_MIN; 892aa288248SMaxime Ripard _sysdiv <= OV5640_SYSDIV_MAX; 893aa288248SMaxime Ripard _sysdiv++) { 894aa288248SMaxime Ripard for (_pll_mult = OV5640_PLL_MULT_MIN; 895aa288248SMaxime Ripard _pll_mult <= OV5640_PLL_MULT_MAX; 896aa288248SMaxime Ripard _pll_mult++) { 897aa288248SMaxime Ripard unsigned long _rate; 898aa288248SMaxime Ripard 899aa288248SMaxime Ripard /* 900aa288248SMaxime Ripard * The PLL multiplier cannot be odd if above 901aa288248SMaxime Ripard * 127. 902aa288248SMaxime Ripard */ 903aa288248SMaxime Ripard if (_pll_mult > 127 && (_pll_mult % 2)) 904aa288248SMaxime Ripard continue; 905aa288248SMaxime Ripard 906aa288248SMaxime Ripard _rate = ov5640_compute_sys_clk(sensor, 907aa288248SMaxime Ripard OV5640_PLL_PREDIV, 908aa288248SMaxime Ripard _pll_mult, _sysdiv); 909aa288248SMaxime Ripard 910aa288248SMaxime Ripard /* 911aa288248SMaxime Ripard * We have reached the maximum allowed PLL1 output, 912aa288248SMaxime Ripard * increase sysdiv. 913aa288248SMaxime Ripard */ 9142e3df204SAdam Ford if (!_rate) 915aa288248SMaxime Ripard break; 916aa288248SMaxime Ripard 917aa288248SMaxime Ripard /* 918aa288248SMaxime Ripard * Prefer rates above the expected clock rate than 919aa288248SMaxime Ripard * below, even if that means being less precise. 920aa288248SMaxime Ripard */ 921aa288248SMaxime Ripard if (_rate < rate) 922aa288248SMaxime Ripard continue; 923aa288248SMaxime Ripard 924aa288248SMaxime Ripard if (abs(rate - _rate) < abs(rate - best)) { 925aa288248SMaxime Ripard best = _rate; 926aa288248SMaxime Ripard best_sysdiv = _sysdiv; 927aa288248SMaxime Ripard best_mult = _pll_mult; 928aa288248SMaxime Ripard } 929aa288248SMaxime Ripard 930aa288248SMaxime Ripard if (_rate == rate) 931aa288248SMaxime Ripard goto out; 932aa288248SMaxime Ripard } 933aa288248SMaxime Ripard } 934aa288248SMaxime Ripard 935aa288248SMaxime Ripard out: 936aa288248SMaxime Ripard *sysdiv = best_sysdiv; 937aa288248SMaxime Ripard *pll_prediv = OV5640_PLL_PREDIV; 938aa288248SMaxime Ripard *pll_mult = best_mult; 939aa288248SMaxime Ripard 940aa288248SMaxime Ripard return best; 941aa288248SMaxime Ripard } 942aa288248SMaxime Ripard 943aa288248SMaxime Ripard /* 944aa288248SMaxime Ripard * ov5640_set_mipi_pclk() - Calculate the clock tree configuration values 945aa288248SMaxime Ripard * for the MIPI CSI-2 output. 946aa288248SMaxime Ripard * 947aa288248SMaxime Ripard * @rate: The requested bandwidth per lane in bytes per second. 948aa288248SMaxime Ripard * 'Bandwidth Per Lane' is calculated as: 949aa288248SMaxime Ripard * bpl = HTOT * VTOT * FPS * bpp / num_lanes; 950aa288248SMaxime Ripard * 951aa288248SMaxime Ripard * This function use the requested bandwidth to calculate: 952aa288248SMaxime Ripard * - sample_rate = bpl / (bpp / num_lanes); 953aa288248SMaxime Ripard * = bpl / (PLL_RDIV * BIT_DIV * PCLK_DIV * MIPI_DIV / num_lanes); 954aa288248SMaxime Ripard * 955aa288248SMaxime Ripard * - mipi_sclk = bpl / MIPI_DIV / 2; ( / 2 is for CSI-2 DDR) 956aa288248SMaxime Ripard * 957aa288248SMaxime Ripard * with these fixed parameters: 958aa288248SMaxime Ripard * PLL_RDIV = 2; 959aa288248SMaxime Ripard * BIT_DIVIDER = 2; (MIPI_BIT_MODE == 8 ? 2 : 2,5); 960aa288248SMaxime Ripard * PCLK_DIV = 1; 961aa288248SMaxime Ripard * 962aa288248SMaxime Ripard * The MIPI clock generation differs for modes that use the scaler and modes 963aa288248SMaxime Ripard * that do not. In case the scaler is in use, the MIPI_SCLK generates the MIPI 964aa288248SMaxime Ripard * BIT CLk, and thus: 965aa288248SMaxime Ripard * 966aa288248SMaxime Ripard * - mipi_sclk = bpl / MIPI_DIV / 2; 967aa288248SMaxime Ripard * MIPI_DIV = 1; 968aa288248SMaxime Ripard * 969aa288248SMaxime Ripard * For modes that do not go through the scaler, the MIPI BIT CLOCK is generated 970aa288248SMaxime Ripard * from the pixel clock, and thus: 971aa288248SMaxime Ripard * 972aa288248SMaxime Ripard * - sample_rate = bpl / (bpp / num_lanes); 973aa288248SMaxime Ripard * = bpl / (2 * 2 * 1 * MIPI_DIV / num_lanes); 974aa288248SMaxime Ripard * = bpl / (4 * MIPI_DIV / num_lanes); 975aa288248SMaxime Ripard * - MIPI_DIV = bpp / (4 * num_lanes); 976aa288248SMaxime Ripard * 977aa288248SMaxime Ripard * FIXME: this have been tested with 16bpp and 2 lanes setup only. 978aa288248SMaxime Ripard * MIPI_DIV is fixed to value 2, but it -might- be changed according to the 979aa288248SMaxime Ripard * above formula for setups with 1 lane or image formats with different bpp. 980aa288248SMaxime Ripard * 981aa288248SMaxime Ripard * FIXME: this deviates from the sensor manual documentation which is quite 982aa288248SMaxime Ripard * thin on the MIPI clock tree generation part. 983aa288248SMaxime Ripard */ 984aa288248SMaxime Ripard static int ov5640_set_mipi_pclk(struct ov5640_dev *sensor, 985aa288248SMaxime Ripard unsigned long rate) 986aa288248SMaxime Ripard { 987aa288248SMaxime Ripard const struct ov5640_mode_info *mode = sensor->current_mode; 988aa288248SMaxime Ripard u8 prediv, mult, sysdiv; 989aa288248SMaxime Ripard u8 mipi_div; 990aa288248SMaxime Ripard int ret; 991aa288248SMaxime Ripard 992aa288248SMaxime Ripard /* 993aa288248SMaxime Ripard * 1280x720 is reported to use 'SUBSAMPLING' only, 994aa288248SMaxime Ripard * but according to the sensor manual it goes through the 995aa288248SMaxime Ripard * scaler before subsampling. 996aa288248SMaxime Ripard */ 997aa288248SMaxime Ripard if (mode->dn_mode == SCALING || 998aa288248SMaxime Ripard (mode->id == OV5640_MODE_720P_1280_720)) 999aa288248SMaxime Ripard mipi_div = OV5640_MIPI_DIV_SCLK; 1000aa288248SMaxime Ripard else 1001aa288248SMaxime Ripard mipi_div = OV5640_MIPI_DIV_PCLK; 1002aa288248SMaxime Ripard 1003aa288248SMaxime Ripard ov5640_calc_sys_clk(sensor, rate, &prediv, &mult, &sysdiv); 1004aa288248SMaxime Ripard 1005aa288248SMaxime Ripard ret = ov5640_mod_reg(sensor, OV5640_REG_SC_PLL_CTRL0, 1006aa288248SMaxime Ripard 0x0f, OV5640_PLL_CTRL0_MIPI_MODE_8BIT); 1007aa288248SMaxime Ripard 1008aa288248SMaxime Ripard ret = ov5640_mod_reg(sensor, OV5640_REG_SC_PLL_CTRL1, 1009aa288248SMaxime Ripard 0xff, sysdiv << 4 | mipi_div); 1010aa288248SMaxime Ripard if (ret) 1011aa288248SMaxime Ripard return ret; 1012aa288248SMaxime Ripard 1013aa288248SMaxime Ripard ret = ov5640_mod_reg(sensor, OV5640_REG_SC_PLL_CTRL2, 0xff, mult); 1014aa288248SMaxime Ripard if (ret) 1015aa288248SMaxime Ripard return ret; 1016aa288248SMaxime Ripard 1017aa288248SMaxime Ripard ret = ov5640_mod_reg(sensor, OV5640_REG_SC_PLL_CTRL3, 1018aa288248SMaxime Ripard 0x1f, OV5640_PLL_CTRL3_PLL_ROOT_DIV_2 | prediv); 1019aa288248SMaxime Ripard if (ret) 1020aa288248SMaxime Ripard return ret; 1021aa288248SMaxime Ripard 1022aa288248SMaxime Ripard return ov5640_mod_reg(sensor, OV5640_REG_SYS_ROOT_DIVIDER, 1023aa288248SMaxime Ripard 0x30, OV5640_PLL_SYS_ROOT_DIVIDER_BYPASS); 1024aa288248SMaxime Ripard } 1025aa288248SMaxime Ripard 1026aa288248SMaxime Ripard static unsigned long ov5640_calc_pclk(struct ov5640_dev *sensor, 1027aa288248SMaxime Ripard unsigned long rate, 1028aa288248SMaxime Ripard u8 *pll_prediv, u8 *pll_mult, u8 *sysdiv, 1029aa288248SMaxime Ripard u8 *pll_rdiv, u8 *bit_div, u8 *pclk_div) 1030aa288248SMaxime Ripard { 1031aa288248SMaxime Ripard unsigned long _rate = rate * OV5640_PLL_ROOT_DIV * OV5640_BIT_DIV * 1032aa288248SMaxime Ripard OV5640_PCLK_ROOT_DIV; 1033aa288248SMaxime Ripard 1034aa288248SMaxime Ripard _rate = ov5640_calc_sys_clk(sensor, _rate, pll_prediv, pll_mult, 1035aa288248SMaxime Ripard sysdiv); 1036aa288248SMaxime Ripard *pll_rdiv = OV5640_PLL_ROOT_DIV; 1037aa288248SMaxime Ripard *bit_div = OV5640_BIT_DIV; 1038aa288248SMaxime Ripard *pclk_div = OV5640_PCLK_ROOT_DIV; 1039aa288248SMaxime Ripard 1040aa288248SMaxime Ripard return _rate / *pll_rdiv / *bit_div / *pclk_div; 1041aa288248SMaxime Ripard } 1042aa288248SMaxime Ripard 1043aa288248SMaxime Ripard static int ov5640_set_dvp_pclk(struct ov5640_dev *sensor, unsigned long rate) 1044aa288248SMaxime Ripard { 1045aa288248SMaxime Ripard u8 prediv, mult, sysdiv, pll_rdiv, bit_div, pclk_div; 1046aa288248SMaxime Ripard int ret; 1047aa288248SMaxime Ripard 1048aa288248SMaxime Ripard ov5640_calc_pclk(sensor, rate, &prediv, &mult, &sysdiv, &pll_rdiv, 1049aa288248SMaxime Ripard &bit_div, &pclk_div); 1050aa288248SMaxime Ripard 1051aa288248SMaxime Ripard if (bit_div == 2) 1052aa288248SMaxime Ripard bit_div = 8; 1053aa288248SMaxime Ripard 1054aa288248SMaxime Ripard ret = ov5640_mod_reg(sensor, OV5640_REG_SC_PLL_CTRL0, 1055aa288248SMaxime Ripard 0x0f, bit_div); 1056aa288248SMaxime Ripard if (ret) 1057aa288248SMaxime Ripard return ret; 1058aa288248SMaxime Ripard 1059aa288248SMaxime Ripard /* 1060aa288248SMaxime Ripard * We need to set sysdiv according to the clock, and to clear 1061aa288248SMaxime Ripard * the MIPI divider. 1062aa288248SMaxime Ripard */ 1063aa288248SMaxime Ripard ret = ov5640_mod_reg(sensor, OV5640_REG_SC_PLL_CTRL1, 1064aa288248SMaxime Ripard 0xff, sysdiv << 4); 1065aa288248SMaxime Ripard if (ret) 1066aa288248SMaxime Ripard return ret; 1067aa288248SMaxime Ripard 1068aa288248SMaxime Ripard ret = ov5640_mod_reg(sensor, OV5640_REG_SC_PLL_CTRL2, 1069aa288248SMaxime Ripard 0xff, mult); 1070aa288248SMaxime Ripard if (ret) 1071aa288248SMaxime Ripard return ret; 1072aa288248SMaxime Ripard 1073aa288248SMaxime Ripard ret = ov5640_mod_reg(sensor, OV5640_REG_SC_PLL_CTRL3, 1074aa288248SMaxime Ripard 0x1f, prediv | ((pll_rdiv - 1) << 4)); 1075aa288248SMaxime Ripard if (ret) 1076aa288248SMaxime Ripard return ret; 1077aa288248SMaxime Ripard 1078aa288248SMaxime Ripard return ov5640_mod_reg(sensor, OV5640_REG_SYS_ROOT_DIVIDER, 0x30, 1079aa288248SMaxime Ripard (ilog2(pclk_div) << 4)); 1080aa288248SMaxime Ripard } 1081aa288248SMaxime Ripard 10827cb013b1SChen-Yu Tsai /* set JPEG framing sizes */ 10837cb013b1SChen-Yu Tsai static int ov5640_set_jpeg_timings(struct ov5640_dev *sensor, 10847cb013b1SChen-Yu Tsai const struct ov5640_mode_info *mode) 10857cb013b1SChen-Yu Tsai { 10867cb013b1SChen-Yu Tsai int ret; 10877cb013b1SChen-Yu Tsai 10882b5c18f9SChen-Yu Tsai /* 10892b5c18f9SChen-Yu Tsai * compression mode 3 timing 10902b5c18f9SChen-Yu Tsai * 10912b5c18f9SChen-Yu Tsai * Data is transmitted with programmable width (VFIFO_HSIZE). 10922b5c18f9SChen-Yu Tsai * No padding done. Last line may have less data. Varying 10932b5c18f9SChen-Yu Tsai * number of lines per frame, depending on amount of data. 10942b5c18f9SChen-Yu Tsai */ 10952b5c18f9SChen-Yu Tsai ret = ov5640_mod_reg(sensor, OV5640_REG_JPG_MODE_SELECT, 0x7, 0x3); 10962b5c18f9SChen-Yu Tsai if (ret < 0) 10972b5c18f9SChen-Yu Tsai return ret; 10982b5c18f9SChen-Yu Tsai 10997cb013b1SChen-Yu Tsai ret = ov5640_write_reg16(sensor, OV5640_REG_VFIFO_HSIZE, mode->hact); 11007cb013b1SChen-Yu Tsai if (ret < 0) 11017cb013b1SChen-Yu Tsai return ret; 11027cb013b1SChen-Yu Tsai 11037cb013b1SChen-Yu Tsai return ov5640_write_reg16(sensor, OV5640_REG_VFIFO_VSIZE, mode->vact); 11047cb013b1SChen-Yu Tsai } 11057cb013b1SChen-Yu Tsai 110619a81c14SSteve Longerbeam /* download ov5640 settings to sensor through i2c */ 1107bad1774eSJacopo Mondi static int ov5640_set_timings(struct ov5640_dev *sensor, 1108bad1774eSJacopo Mondi const struct ov5640_mode_info *mode) 1109bad1774eSJacopo Mondi { 1110bad1774eSJacopo Mondi int ret; 1111bad1774eSJacopo Mondi 11127cb013b1SChen-Yu Tsai if (sensor->fmt.code == MEDIA_BUS_FMT_JPEG_1X8) { 11137cb013b1SChen-Yu Tsai ret = ov5640_set_jpeg_timings(sensor, mode); 11147cb013b1SChen-Yu Tsai if (ret < 0) 11157cb013b1SChen-Yu Tsai return ret; 11167cb013b1SChen-Yu Tsai } 11177cb013b1SChen-Yu Tsai 1118bad1774eSJacopo Mondi ret = ov5640_write_reg16(sensor, OV5640_REG_TIMING_DVPHO, mode->hact); 1119bad1774eSJacopo Mondi if (ret < 0) 1120bad1774eSJacopo Mondi return ret; 1121bad1774eSJacopo Mondi 1122bad1774eSJacopo Mondi ret = ov5640_write_reg16(sensor, OV5640_REG_TIMING_DVPVO, mode->vact); 1123bad1774eSJacopo Mondi if (ret < 0) 1124bad1774eSJacopo Mondi return ret; 1125bad1774eSJacopo Mondi 1126bad1774eSJacopo Mondi ret = ov5640_write_reg16(sensor, OV5640_REG_TIMING_HTS, mode->htot); 1127bad1774eSJacopo Mondi if (ret < 0) 1128bad1774eSJacopo Mondi return ret; 1129bad1774eSJacopo Mondi 1130bad1774eSJacopo Mondi return ov5640_write_reg16(sensor, OV5640_REG_TIMING_VTS, mode->vtot); 1131bad1774eSJacopo Mondi } 1132bad1774eSJacopo Mondi 113319a81c14SSteve Longerbeam static int ov5640_load_regs(struct ov5640_dev *sensor, 113419a81c14SSteve Longerbeam const struct ov5640_mode_info *mode) 113519a81c14SSteve Longerbeam { 113619a81c14SSteve Longerbeam const struct reg_value *regs = mode->reg_data; 113719a81c14SSteve Longerbeam unsigned int i; 113819a81c14SSteve Longerbeam u32 delay_ms; 113919a81c14SSteve Longerbeam u16 reg_addr; 114019a81c14SSteve Longerbeam u8 mask, val; 114119a81c14SSteve Longerbeam int ret = 0; 114219a81c14SSteve Longerbeam 114319a81c14SSteve Longerbeam for (i = 0; i < mode->reg_data_size; ++i, ++regs) { 114419a81c14SSteve Longerbeam delay_ms = regs->delay_ms; 114519a81c14SSteve Longerbeam reg_addr = regs->reg_addr; 114619a81c14SSteve Longerbeam val = regs->val; 114719a81c14SSteve Longerbeam mask = regs->mask; 114819a81c14SSteve Longerbeam 11493b987d70SLad Prabhakar /* remain in power down mode for DVP */ 11503b987d70SLad Prabhakar if (regs->reg_addr == OV5640_REG_SYS_CTRL0 && 11513b987d70SLad Prabhakar val == OV5640_REG_SYS_CTRL0_SW_PWUP && 11523b987d70SLad Prabhakar sensor->ep.bus_type != V4L2_MBUS_CSI2_DPHY) 11533b987d70SLad Prabhakar continue; 11543b987d70SLad Prabhakar 115519a81c14SSteve Longerbeam if (mask) 115619a81c14SSteve Longerbeam ret = ov5640_mod_reg(sensor, reg_addr, mask, val); 115719a81c14SSteve Longerbeam else 115819a81c14SSteve Longerbeam ret = ov5640_write_reg(sensor, reg_addr, val); 115919a81c14SSteve Longerbeam if (ret) 116019a81c14SSteve Longerbeam break; 116119a81c14SSteve Longerbeam 116219a81c14SSteve Longerbeam if (delay_ms) 116319a81c14SSteve Longerbeam usleep_range(1000 * delay_ms, 1000 * delay_ms + 100); 116419a81c14SSteve Longerbeam } 116519a81c14SSteve Longerbeam 1166bad1774eSJacopo Mondi return ov5640_set_timings(sensor, mode); 116719a81c14SSteve Longerbeam } 116819a81c14SSteve Longerbeam 1169dc29a1c1SHugues Fruchet static int ov5640_set_autoexposure(struct ov5640_dev *sensor, bool on) 1170dc29a1c1SHugues Fruchet { 1171dc29a1c1SHugues Fruchet return ov5640_mod_reg(sensor, OV5640_REG_AEC_PK_MANUAL, 1172dc29a1c1SHugues Fruchet BIT(0), on ? 0 : BIT(0)); 1173dc29a1c1SHugues Fruchet } 1174dc29a1c1SHugues Fruchet 117519a81c14SSteve Longerbeam /* read exposure, in number of line periods */ 117619a81c14SSteve Longerbeam static int ov5640_get_exposure(struct ov5640_dev *sensor) 117719a81c14SSteve Longerbeam { 117819a81c14SSteve Longerbeam int exp, ret; 117919a81c14SSteve Longerbeam u8 temp; 118019a81c14SSteve Longerbeam 118119a81c14SSteve Longerbeam ret = ov5640_read_reg(sensor, OV5640_REG_AEC_PK_EXPOSURE_HI, &temp); 118219a81c14SSteve Longerbeam if (ret) 118319a81c14SSteve Longerbeam return ret; 118419a81c14SSteve Longerbeam exp = ((int)temp & 0x0f) << 16; 118519a81c14SSteve Longerbeam ret = ov5640_read_reg(sensor, OV5640_REG_AEC_PK_EXPOSURE_MED, &temp); 118619a81c14SSteve Longerbeam if (ret) 118719a81c14SSteve Longerbeam return ret; 118819a81c14SSteve Longerbeam exp |= ((int)temp << 8); 118919a81c14SSteve Longerbeam ret = ov5640_read_reg(sensor, OV5640_REG_AEC_PK_EXPOSURE_LO, &temp); 119019a81c14SSteve Longerbeam if (ret) 119119a81c14SSteve Longerbeam return ret; 119219a81c14SSteve Longerbeam exp |= (int)temp; 119319a81c14SSteve Longerbeam 119419a81c14SSteve Longerbeam return exp >> 4; 119519a81c14SSteve Longerbeam } 119619a81c14SSteve Longerbeam 119719a81c14SSteve Longerbeam /* write exposure, given number of line periods */ 119819a81c14SSteve Longerbeam static int ov5640_set_exposure(struct ov5640_dev *sensor, u32 exposure) 119919a81c14SSteve Longerbeam { 120019a81c14SSteve Longerbeam int ret; 120119a81c14SSteve Longerbeam 120219a81c14SSteve Longerbeam exposure <<= 4; 120319a81c14SSteve Longerbeam 120419a81c14SSteve Longerbeam ret = ov5640_write_reg(sensor, 120519a81c14SSteve Longerbeam OV5640_REG_AEC_PK_EXPOSURE_LO, 120619a81c14SSteve Longerbeam exposure & 0xff); 120719a81c14SSteve Longerbeam if (ret) 120819a81c14SSteve Longerbeam return ret; 120919a81c14SSteve Longerbeam ret = ov5640_write_reg(sensor, 121019a81c14SSteve Longerbeam OV5640_REG_AEC_PK_EXPOSURE_MED, 121119a81c14SSteve Longerbeam (exposure >> 8) & 0xff); 121219a81c14SSteve Longerbeam if (ret) 121319a81c14SSteve Longerbeam return ret; 121419a81c14SSteve Longerbeam return ov5640_write_reg(sensor, 121519a81c14SSteve Longerbeam OV5640_REG_AEC_PK_EXPOSURE_HI, 121619a81c14SSteve Longerbeam (exposure >> 16) & 0x0f); 121719a81c14SSteve Longerbeam } 121819a81c14SSteve Longerbeam 121919a81c14SSteve Longerbeam static int ov5640_get_gain(struct ov5640_dev *sensor) 122019a81c14SSteve Longerbeam { 122119a81c14SSteve Longerbeam u16 gain; 122219a81c14SSteve Longerbeam int ret; 122319a81c14SSteve Longerbeam 122419a81c14SSteve Longerbeam ret = ov5640_read_reg16(sensor, OV5640_REG_AEC_PK_REAL_GAIN, &gain); 122519a81c14SSteve Longerbeam if (ret) 122619a81c14SSteve Longerbeam return ret; 122719a81c14SSteve Longerbeam 122819a81c14SSteve Longerbeam return gain & 0x3ff; 122919a81c14SSteve Longerbeam } 123019a81c14SSteve Longerbeam 12313cca8ef5SHugues Fruchet static int ov5640_set_gain(struct ov5640_dev *sensor, int gain) 12323cca8ef5SHugues Fruchet { 12333cca8ef5SHugues Fruchet return ov5640_write_reg16(sensor, OV5640_REG_AEC_PK_REAL_GAIN, 12343cca8ef5SHugues Fruchet (u16)gain & 0x3ff); 12353cca8ef5SHugues Fruchet } 12363cca8ef5SHugues Fruchet 12373cca8ef5SHugues Fruchet static int ov5640_set_autogain(struct ov5640_dev *sensor, bool on) 12383cca8ef5SHugues Fruchet { 12393cca8ef5SHugues Fruchet return ov5640_mod_reg(sensor, OV5640_REG_AEC_PK_MANUAL, 12403cca8ef5SHugues Fruchet BIT(1), on ? 0 : BIT(1)); 12413cca8ef5SHugues Fruchet } 12423cca8ef5SHugues Fruchet 12434039b037SLad Prabhakar static int ov5640_set_stream_bt656(struct ov5640_dev *sensor, bool on) 12444039b037SLad Prabhakar { 12454039b037SLad Prabhakar int ret; 12464039b037SLad Prabhakar 12474039b037SLad Prabhakar ret = ov5640_write_reg(sensor, OV5640_REG_CCIR656_CTRL00, 12484039b037SLad Prabhakar on ? 0x1 : 0x00); 12494039b037SLad Prabhakar if (ret) 12504039b037SLad Prabhakar return ret; 12514039b037SLad Prabhakar 12524039b037SLad Prabhakar return ov5640_write_reg(sensor, OV5640_REG_SYS_CTRL0, on ? 12534039b037SLad Prabhakar OV5640_REG_SYS_CTRL0_SW_PWUP : 12544039b037SLad Prabhakar OV5640_REG_SYS_CTRL0_SW_PWDN); 12554039b037SLad Prabhakar } 12564039b037SLad Prabhakar 1257f22996dbSHugues Fruchet static int ov5640_set_stream_dvp(struct ov5640_dev *sensor, bool on) 1258f22996dbSHugues Fruchet { 12593b987d70SLad Prabhakar return ov5640_write_reg(sensor, OV5640_REG_SYS_CTRL0, on ? 12603b987d70SLad Prabhakar OV5640_REG_SYS_CTRL0_SW_PWUP : 12613b987d70SLad Prabhakar OV5640_REG_SYS_CTRL0_SW_PWDN); 1262f22996dbSHugues Fruchet } 1263f22996dbSHugues Fruchet 1264f22996dbSHugues Fruchet static int ov5640_set_stream_mipi(struct ov5640_dev *sensor, bool on) 126519a81c14SSteve Longerbeam { 126619a81c14SSteve Longerbeam int ret; 126719a81c14SSteve Longerbeam 1268aa4bb8b8SJacopo Mondi /* 1269aa4bb8b8SJacopo Mondi * Enable/disable the MIPI interface 1270aa4bb8b8SJacopo Mondi * 1271aa4bb8b8SJacopo Mondi * 0x300e = on ? 0x45 : 0x40 1272aa4bb8b8SJacopo Mondi * 1273aa4bb8b8SJacopo Mondi * FIXME: the sensor manual (version 2.03) reports 1274aa4bb8b8SJacopo Mondi * [7:5] = 000 : 1 data lane mode 1275aa4bb8b8SJacopo Mondi * [7:5] = 001 : 2 data lanes mode 1276aa4bb8b8SJacopo Mondi * But this settings do not work, while the following ones 1277aa4bb8b8SJacopo Mondi * have been validated for 2 data lanes mode. 1278aa4bb8b8SJacopo Mondi * 1279aa4bb8b8SJacopo Mondi * [7:5] = 010 : 2 data lanes mode 1280aa4bb8b8SJacopo Mondi * [4] = 0 : Power up MIPI HS Tx 1281aa4bb8b8SJacopo Mondi * [3] = 0 : Power up MIPI LS Rx 1282aa4bb8b8SJacopo Mondi * [2] = 1/0 : MIPI interface enable/disable 1283aa4bb8b8SJacopo Mondi * [1:0] = 01/00: FIXME: 'debug' 1284aa4bb8b8SJacopo Mondi */ 1285aa4bb8b8SJacopo Mondi ret = ov5640_write_reg(sensor, OV5640_REG_IO_MIPI_CTRL00, 1286aa4bb8b8SJacopo Mondi on ? 0x45 : 0x40); 128719a81c14SSteve Longerbeam if (ret) 128819a81c14SSteve Longerbeam return ret; 128919a81c14SSteve Longerbeam 129019a81c14SSteve Longerbeam return ov5640_write_reg(sensor, OV5640_REG_FRAME_CTRL01, 129119a81c14SSteve Longerbeam on ? 0x00 : 0x0f); 129219a81c14SSteve Longerbeam } 129319a81c14SSteve Longerbeam 129419a81c14SSteve Longerbeam static int ov5640_get_sysclk(struct ov5640_dev *sensor) 129519a81c14SSteve Longerbeam { 129619a81c14SSteve Longerbeam /* calculate sysclk */ 129719a81c14SSteve Longerbeam u32 xvclk = sensor->xclk_freq / 10000; 129819a81c14SSteve Longerbeam u32 multiplier, prediv, VCO, sysdiv, pll_rdiv; 129919a81c14SSteve Longerbeam u32 sclk_rdiv_map[] = {1, 2, 4, 8}; 130019a81c14SSteve Longerbeam u32 bit_div2x = 1, sclk_rdiv, sysclk; 130119a81c14SSteve Longerbeam u8 temp1, temp2; 130219a81c14SSteve Longerbeam int ret; 130319a81c14SSteve Longerbeam 130419a81c14SSteve Longerbeam ret = ov5640_read_reg(sensor, OV5640_REG_SC_PLL_CTRL0, &temp1); 130519a81c14SSteve Longerbeam if (ret) 130619a81c14SSteve Longerbeam return ret; 130719a81c14SSteve Longerbeam temp2 = temp1 & 0x0f; 130819a81c14SSteve Longerbeam if (temp2 == 8 || temp2 == 10) 130919a81c14SSteve Longerbeam bit_div2x = temp2 / 2; 131019a81c14SSteve Longerbeam 131119a81c14SSteve Longerbeam ret = ov5640_read_reg(sensor, OV5640_REG_SC_PLL_CTRL1, &temp1); 131219a81c14SSteve Longerbeam if (ret) 131319a81c14SSteve Longerbeam return ret; 131419a81c14SSteve Longerbeam sysdiv = temp1 >> 4; 131519a81c14SSteve Longerbeam if (sysdiv == 0) 131619a81c14SSteve Longerbeam sysdiv = 16; 131719a81c14SSteve Longerbeam 131819a81c14SSteve Longerbeam ret = ov5640_read_reg(sensor, OV5640_REG_SC_PLL_CTRL2, &temp1); 131919a81c14SSteve Longerbeam if (ret) 132019a81c14SSteve Longerbeam return ret; 132119a81c14SSteve Longerbeam multiplier = temp1; 132219a81c14SSteve Longerbeam 132319a81c14SSteve Longerbeam ret = ov5640_read_reg(sensor, OV5640_REG_SC_PLL_CTRL3, &temp1); 132419a81c14SSteve Longerbeam if (ret) 132519a81c14SSteve Longerbeam return ret; 132619a81c14SSteve Longerbeam prediv = temp1 & 0x0f; 132719a81c14SSteve Longerbeam pll_rdiv = ((temp1 >> 4) & 0x01) + 1; 132819a81c14SSteve Longerbeam 132919a81c14SSteve Longerbeam ret = ov5640_read_reg(sensor, OV5640_REG_SYS_ROOT_DIVIDER, &temp1); 133019a81c14SSteve Longerbeam if (ret) 133119a81c14SSteve Longerbeam return ret; 133219a81c14SSteve Longerbeam temp2 = temp1 & 0x03; 133319a81c14SSteve Longerbeam sclk_rdiv = sclk_rdiv_map[temp2]; 133419a81c14SSteve Longerbeam 133519a81c14SSteve Longerbeam if (!prediv || !sysdiv || !pll_rdiv || !bit_div2x) 133619a81c14SSteve Longerbeam return -EINVAL; 133719a81c14SSteve Longerbeam 133819a81c14SSteve Longerbeam VCO = xvclk * multiplier / prediv; 133919a81c14SSteve Longerbeam 134019a81c14SSteve Longerbeam sysclk = VCO / sysdiv / pll_rdiv * 2 / bit_div2x / sclk_rdiv; 134119a81c14SSteve Longerbeam 134219a81c14SSteve Longerbeam return sysclk; 134319a81c14SSteve Longerbeam } 134419a81c14SSteve Longerbeam 134519a81c14SSteve Longerbeam static int ov5640_set_night_mode(struct ov5640_dev *sensor) 134619a81c14SSteve Longerbeam { 134719a81c14SSteve Longerbeam /* read HTS from register settings */ 134819a81c14SSteve Longerbeam u8 mode; 134919a81c14SSteve Longerbeam int ret; 135019a81c14SSteve Longerbeam 135119a81c14SSteve Longerbeam ret = ov5640_read_reg(sensor, OV5640_REG_AEC_CTRL00, &mode); 135219a81c14SSteve Longerbeam if (ret) 135319a81c14SSteve Longerbeam return ret; 135419a81c14SSteve Longerbeam mode &= 0xfb; 135519a81c14SSteve Longerbeam return ov5640_write_reg(sensor, OV5640_REG_AEC_CTRL00, mode); 135619a81c14SSteve Longerbeam } 135719a81c14SSteve Longerbeam 135819a81c14SSteve Longerbeam static int ov5640_get_hts(struct ov5640_dev *sensor) 135919a81c14SSteve Longerbeam { 136019a81c14SSteve Longerbeam /* read HTS from register settings */ 136119a81c14SSteve Longerbeam u16 hts; 136219a81c14SSteve Longerbeam int ret; 136319a81c14SSteve Longerbeam 136419a81c14SSteve Longerbeam ret = ov5640_read_reg16(sensor, OV5640_REG_TIMING_HTS, &hts); 136519a81c14SSteve Longerbeam if (ret) 136619a81c14SSteve Longerbeam return ret; 136719a81c14SSteve Longerbeam return hts; 136819a81c14SSteve Longerbeam } 136919a81c14SSteve Longerbeam 137019a81c14SSteve Longerbeam static int ov5640_get_vts(struct ov5640_dev *sensor) 137119a81c14SSteve Longerbeam { 137219a81c14SSteve Longerbeam u16 vts; 137319a81c14SSteve Longerbeam int ret; 137419a81c14SSteve Longerbeam 137519a81c14SSteve Longerbeam ret = ov5640_read_reg16(sensor, OV5640_REG_TIMING_VTS, &vts); 137619a81c14SSteve Longerbeam if (ret) 137719a81c14SSteve Longerbeam return ret; 137819a81c14SSteve Longerbeam return vts; 137919a81c14SSteve Longerbeam } 138019a81c14SSteve Longerbeam 138119a81c14SSteve Longerbeam static int ov5640_set_vts(struct ov5640_dev *sensor, int vts) 138219a81c14SSteve Longerbeam { 138319a81c14SSteve Longerbeam return ov5640_write_reg16(sensor, OV5640_REG_TIMING_VTS, vts); 138419a81c14SSteve Longerbeam } 138519a81c14SSteve Longerbeam 138619a81c14SSteve Longerbeam static int ov5640_get_light_freq(struct ov5640_dev *sensor) 138719a81c14SSteve Longerbeam { 138819a81c14SSteve Longerbeam /* get banding filter value */ 138919a81c14SSteve Longerbeam int ret, light_freq = 0; 139019a81c14SSteve Longerbeam u8 temp, temp1; 139119a81c14SSteve Longerbeam 139219a81c14SSteve Longerbeam ret = ov5640_read_reg(sensor, OV5640_REG_HZ5060_CTRL01, &temp); 139319a81c14SSteve Longerbeam if (ret) 139419a81c14SSteve Longerbeam return ret; 139519a81c14SSteve Longerbeam 139619a81c14SSteve Longerbeam if (temp & 0x80) { 139719a81c14SSteve Longerbeam /* manual */ 139819a81c14SSteve Longerbeam ret = ov5640_read_reg(sensor, OV5640_REG_HZ5060_CTRL00, 139919a81c14SSteve Longerbeam &temp1); 140019a81c14SSteve Longerbeam if (ret) 140119a81c14SSteve Longerbeam return ret; 140219a81c14SSteve Longerbeam if (temp1 & 0x04) { 140319a81c14SSteve Longerbeam /* 50Hz */ 140419a81c14SSteve Longerbeam light_freq = 50; 140519a81c14SSteve Longerbeam } else { 140619a81c14SSteve Longerbeam /* 60Hz */ 140719a81c14SSteve Longerbeam light_freq = 60; 140819a81c14SSteve Longerbeam } 140919a81c14SSteve Longerbeam } else { 141019a81c14SSteve Longerbeam /* auto */ 141119a81c14SSteve Longerbeam ret = ov5640_read_reg(sensor, OV5640_REG_SIGMADELTA_CTRL0C, 141219a81c14SSteve Longerbeam &temp1); 141319a81c14SSteve Longerbeam if (ret) 141419a81c14SSteve Longerbeam return ret; 141519a81c14SSteve Longerbeam 141619a81c14SSteve Longerbeam if (temp1 & 0x01) { 141719a81c14SSteve Longerbeam /* 50Hz */ 141819a81c14SSteve Longerbeam light_freq = 50; 141919a81c14SSteve Longerbeam } else { 142019a81c14SSteve Longerbeam /* 60Hz */ 142119a81c14SSteve Longerbeam } 142219a81c14SSteve Longerbeam } 142319a81c14SSteve Longerbeam 142419a81c14SSteve Longerbeam return light_freq; 142519a81c14SSteve Longerbeam } 142619a81c14SSteve Longerbeam 142719a81c14SSteve Longerbeam static int ov5640_set_bandingfilter(struct ov5640_dev *sensor) 142819a81c14SSteve Longerbeam { 142919a81c14SSteve Longerbeam u32 band_step60, max_band60, band_step50, max_band50, prev_vts; 143019a81c14SSteve Longerbeam int ret; 143119a81c14SSteve Longerbeam 143219a81c14SSteve Longerbeam /* read preview PCLK */ 143319a81c14SSteve Longerbeam ret = ov5640_get_sysclk(sensor); 143419a81c14SSteve Longerbeam if (ret < 0) 143519a81c14SSteve Longerbeam return ret; 143619a81c14SSteve Longerbeam if (ret == 0) 143719a81c14SSteve Longerbeam return -EINVAL; 143819a81c14SSteve Longerbeam sensor->prev_sysclk = ret; 143919a81c14SSteve Longerbeam /* read preview HTS */ 144019a81c14SSteve Longerbeam ret = ov5640_get_hts(sensor); 144119a81c14SSteve Longerbeam if (ret < 0) 144219a81c14SSteve Longerbeam return ret; 144319a81c14SSteve Longerbeam if (ret == 0) 144419a81c14SSteve Longerbeam return -EINVAL; 144519a81c14SSteve Longerbeam sensor->prev_hts = ret; 144619a81c14SSteve Longerbeam 144719a81c14SSteve Longerbeam /* read preview VTS */ 144819a81c14SSteve Longerbeam ret = ov5640_get_vts(sensor); 144919a81c14SSteve Longerbeam if (ret < 0) 145019a81c14SSteve Longerbeam return ret; 145119a81c14SSteve Longerbeam prev_vts = ret; 145219a81c14SSteve Longerbeam 145319a81c14SSteve Longerbeam /* calculate banding filter */ 145419a81c14SSteve Longerbeam /* 60Hz */ 145519a81c14SSteve Longerbeam band_step60 = sensor->prev_sysclk * 100 / sensor->prev_hts * 100 / 120; 145619a81c14SSteve Longerbeam ret = ov5640_write_reg16(sensor, OV5640_REG_AEC_B60_STEP, band_step60); 145719a81c14SSteve Longerbeam if (ret) 145819a81c14SSteve Longerbeam return ret; 145919a81c14SSteve Longerbeam if (!band_step60) 146019a81c14SSteve Longerbeam return -EINVAL; 146119a81c14SSteve Longerbeam max_band60 = (int)((prev_vts - 4) / band_step60); 146219a81c14SSteve Longerbeam ret = ov5640_write_reg(sensor, OV5640_REG_AEC_CTRL0D, max_band60); 146319a81c14SSteve Longerbeam if (ret) 146419a81c14SSteve Longerbeam return ret; 146519a81c14SSteve Longerbeam 146619a81c14SSteve Longerbeam /* 50Hz */ 146719a81c14SSteve Longerbeam band_step50 = sensor->prev_sysclk * 100 / sensor->prev_hts; 146819a81c14SSteve Longerbeam ret = ov5640_write_reg16(sensor, OV5640_REG_AEC_B50_STEP, band_step50); 146919a81c14SSteve Longerbeam if (ret) 147019a81c14SSteve Longerbeam return ret; 147119a81c14SSteve Longerbeam if (!band_step50) 147219a81c14SSteve Longerbeam return -EINVAL; 147319a81c14SSteve Longerbeam max_band50 = (int)((prev_vts - 4) / band_step50); 147419a81c14SSteve Longerbeam return ov5640_write_reg(sensor, OV5640_REG_AEC_CTRL0E, max_band50); 147519a81c14SSteve Longerbeam } 147619a81c14SSteve Longerbeam 147719a81c14SSteve Longerbeam static int ov5640_set_ae_target(struct ov5640_dev *sensor, int target) 147819a81c14SSteve Longerbeam { 147919a81c14SSteve Longerbeam /* stable in high */ 148019a81c14SSteve Longerbeam u32 fast_high, fast_low; 148119a81c14SSteve Longerbeam int ret; 148219a81c14SSteve Longerbeam 148319a81c14SSteve Longerbeam sensor->ae_low = target * 23 / 25; /* 0.92 */ 148419a81c14SSteve Longerbeam sensor->ae_high = target * 27 / 25; /* 1.08 */ 148519a81c14SSteve Longerbeam 148619a81c14SSteve Longerbeam fast_high = sensor->ae_high << 1; 148719a81c14SSteve Longerbeam if (fast_high > 255) 148819a81c14SSteve Longerbeam fast_high = 255; 148919a81c14SSteve Longerbeam 149019a81c14SSteve Longerbeam fast_low = sensor->ae_low >> 1; 149119a81c14SSteve Longerbeam 149219a81c14SSteve Longerbeam ret = ov5640_write_reg(sensor, OV5640_REG_AEC_CTRL0F, sensor->ae_high); 149319a81c14SSteve Longerbeam if (ret) 149419a81c14SSteve Longerbeam return ret; 149519a81c14SSteve Longerbeam ret = ov5640_write_reg(sensor, OV5640_REG_AEC_CTRL10, sensor->ae_low); 149619a81c14SSteve Longerbeam if (ret) 149719a81c14SSteve Longerbeam return ret; 149819a81c14SSteve Longerbeam ret = ov5640_write_reg(sensor, OV5640_REG_AEC_CTRL1B, sensor->ae_high); 149919a81c14SSteve Longerbeam if (ret) 150019a81c14SSteve Longerbeam return ret; 150119a81c14SSteve Longerbeam ret = ov5640_write_reg(sensor, OV5640_REG_AEC_CTRL1E, sensor->ae_low); 150219a81c14SSteve Longerbeam if (ret) 150319a81c14SSteve Longerbeam return ret; 150419a81c14SSteve Longerbeam ret = ov5640_write_reg(sensor, OV5640_REG_AEC_CTRL11, fast_high); 150519a81c14SSteve Longerbeam if (ret) 150619a81c14SSteve Longerbeam return ret; 150719a81c14SSteve Longerbeam return ov5640_write_reg(sensor, OV5640_REG_AEC_CTRL1F, fast_low); 150819a81c14SSteve Longerbeam } 150919a81c14SSteve Longerbeam 1510c2c3f42dSHugues Fruchet static int ov5640_get_binning(struct ov5640_dev *sensor) 151119a81c14SSteve Longerbeam { 151219a81c14SSteve Longerbeam u8 temp; 151319a81c14SSteve Longerbeam int ret; 151419a81c14SSteve Longerbeam 151519a81c14SSteve Longerbeam ret = ov5640_read_reg(sensor, OV5640_REG_TIMING_TC_REG21, &temp); 151619a81c14SSteve Longerbeam if (ret) 151719a81c14SSteve Longerbeam return ret; 1518c2c3f42dSHugues Fruchet 1519c2c3f42dSHugues Fruchet return temp & BIT(0); 152019a81c14SSteve Longerbeam } 152119a81c14SSteve Longerbeam 1522ce85705aSHugues Fruchet static int ov5640_set_binning(struct ov5640_dev *sensor, bool enable) 1523ce85705aSHugues Fruchet { 1524ce85705aSHugues Fruchet int ret; 1525ce85705aSHugues Fruchet 1526ce85705aSHugues Fruchet /* 1527ce85705aSHugues Fruchet * TIMING TC REG21: 1528ce85705aSHugues Fruchet * - [0]: Horizontal binning enable 1529ce85705aSHugues Fruchet */ 1530ce85705aSHugues Fruchet ret = ov5640_mod_reg(sensor, OV5640_REG_TIMING_TC_REG21, 1531ce85705aSHugues Fruchet BIT(0), enable ? BIT(0) : 0); 1532ce85705aSHugues Fruchet if (ret) 1533ce85705aSHugues Fruchet return ret; 1534ce85705aSHugues Fruchet /* 1535ce85705aSHugues Fruchet * TIMING TC REG20: 1536ce85705aSHugues Fruchet * - [0]: Undocumented, but hardcoded init sequences 1537ce85705aSHugues Fruchet * are always setting REG21/REG20 bit 0 to same value... 1538ce85705aSHugues Fruchet */ 1539ce85705aSHugues Fruchet return ov5640_mod_reg(sensor, OV5640_REG_TIMING_TC_REG20, 1540ce85705aSHugues Fruchet BIT(0), enable ? BIT(0) : 0); 1541ce85705aSHugues Fruchet } 1542ce85705aSHugues Fruchet 154319a81c14SSteve Longerbeam static int ov5640_set_virtual_channel(struct ov5640_dev *sensor) 154419a81c14SSteve Longerbeam { 15458670d70aSHugues Fruchet struct i2c_client *client = sensor->i2c_client; 154619a81c14SSteve Longerbeam u8 temp, channel = virtual_channel; 154719a81c14SSteve Longerbeam int ret; 154819a81c14SSteve Longerbeam 15498670d70aSHugues Fruchet if (channel > 3) { 15508670d70aSHugues Fruchet dev_err(&client->dev, 15518670d70aSHugues Fruchet "%s: wrong virtual_channel parameter, expected (0..3), got %d\n", 15528670d70aSHugues Fruchet __func__, channel); 155319a81c14SSteve Longerbeam return -EINVAL; 15548670d70aSHugues Fruchet } 155519a81c14SSteve Longerbeam 155619a81c14SSteve Longerbeam ret = ov5640_read_reg(sensor, OV5640_REG_DEBUG_MODE, &temp); 155719a81c14SSteve Longerbeam if (ret) 155819a81c14SSteve Longerbeam return ret; 155919a81c14SSteve Longerbeam temp &= ~(3 << 6); 156019a81c14SSteve Longerbeam temp |= (channel << 6); 156119a81c14SSteve Longerbeam return ov5640_write_reg(sensor, OV5640_REG_DEBUG_MODE, temp); 156219a81c14SSteve Longerbeam } 156319a81c14SSteve Longerbeam 156419a81c14SSteve Longerbeam static const struct ov5640_mode_info * 156519a81c14SSteve Longerbeam ov5640_find_mode(struct ov5640_dev *sensor, enum ov5640_frame_rate fr, 156619a81c14SSteve Longerbeam int width, int height, bool nearest) 156719a81c14SSteve Longerbeam { 15683c4a7372SHugues Fruchet const struct ov5640_mode_info *mode; 156919a81c14SSteve Longerbeam 1570086c25f8SMaxime Ripard mode = v4l2_find_nearest_size(ov5640_mode_data, 1571086c25f8SMaxime Ripard ARRAY_SIZE(ov5640_mode_data), 15723c4a7372SHugues Fruchet hact, vact, 15733c4a7372SHugues Fruchet width, height); 157419a81c14SSteve Longerbeam 15753c4a7372SHugues Fruchet if (!mode || 15763c4a7372SHugues Fruchet (!nearest && (mode->hact != width || mode->vact != height))) 15773c4a7372SHugues Fruchet return NULL; 157819a81c14SSteve Longerbeam 15795554c80eSAdam Ford /* Check to see if the current mode exceeds the max frame rate */ 15805554c80eSAdam Ford if (ov5640_framerates[fr] > ov5640_framerates[mode->max_fps]) 1581981e4454SBenoit Parrot return NULL; 1582981e4454SBenoit Parrot 158319a81c14SSteve Longerbeam return mode; 158419a81c14SSteve Longerbeam } 158519a81c14SSteve Longerbeam 1586cc196e48SBenoit Parrot static u64 ov5640_calc_pixel_rate(struct ov5640_dev *sensor) 1587cc196e48SBenoit Parrot { 1588cc196e48SBenoit Parrot u64 rate; 1589cc196e48SBenoit Parrot 1590cc196e48SBenoit Parrot rate = sensor->current_mode->vtot * sensor->current_mode->htot; 1591cc196e48SBenoit Parrot rate *= ov5640_framerates[sensor->current_fr]; 1592cc196e48SBenoit Parrot 1593cc196e48SBenoit Parrot return rate; 1594cc196e48SBenoit Parrot } 1595cc196e48SBenoit Parrot 159619a81c14SSteve Longerbeam /* 159719a81c14SSteve Longerbeam * sensor changes between scaling and subsampling, go through 159819a81c14SSteve Longerbeam * exposure calculation 159919a81c14SSteve Longerbeam */ 160041d8d7f5SHugues Fruchet static int ov5640_set_mode_exposure_calc(struct ov5640_dev *sensor, 160141d8d7f5SHugues Fruchet const struct ov5640_mode_info *mode) 160219a81c14SSteve Longerbeam { 160319a81c14SSteve Longerbeam u32 prev_shutter, prev_gain16; 160419a81c14SSteve Longerbeam u32 cap_shutter, cap_gain16; 160519a81c14SSteve Longerbeam u32 cap_sysclk, cap_hts, cap_vts; 160619a81c14SSteve Longerbeam u32 light_freq, cap_bandfilt, cap_maxband; 160719a81c14SSteve Longerbeam u32 cap_gain16_shutter; 160819a81c14SSteve Longerbeam u8 average; 160919a81c14SSteve Longerbeam int ret; 161019a81c14SSteve Longerbeam 161141d8d7f5SHugues Fruchet if (!mode->reg_data) 161219a81c14SSteve Longerbeam return -EINVAL; 161319a81c14SSteve Longerbeam 161419a81c14SSteve Longerbeam /* read preview shutter */ 161519a81c14SSteve Longerbeam ret = ov5640_get_exposure(sensor); 161619a81c14SSteve Longerbeam if (ret < 0) 161719a81c14SSteve Longerbeam return ret; 161819a81c14SSteve Longerbeam prev_shutter = ret; 1619c2c3f42dSHugues Fruchet ret = ov5640_get_binning(sensor); 162019a81c14SSteve Longerbeam if (ret < 0) 162119a81c14SSteve Longerbeam return ret; 162219a81c14SSteve Longerbeam if (ret && mode->id != OV5640_MODE_720P_1280_720 && 162319a81c14SSteve Longerbeam mode->id != OV5640_MODE_1080P_1920_1080) 162419a81c14SSteve Longerbeam prev_shutter *= 2; 162519a81c14SSteve Longerbeam 162619a81c14SSteve Longerbeam /* read preview gain */ 162719a81c14SSteve Longerbeam ret = ov5640_get_gain(sensor); 162819a81c14SSteve Longerbeam if (ret < 0) 162919a81c14SSteve Longerbeam return ret; 163019a81c14SSteve Longerbeam prev_gain16 = ret; 163119a81c14SSteve Longerbeam 163219a81c14SSteve Longerbeam /* get average */ 163319a81c14SSteve Longerbeam ret = ov5640_read_reg(sensor, OV5640_REG_AVG_READOUT, &average); 163419a81c14SSteve Longerbeam if (ret) 163519a81c14SSteve Longerbeam return ret; 163619a81c14SSteve Longerbeam 163719a81c14SSteve Longerbeam /* turn off night mode for capture */ 163819a81c14SSteve Longerbeam ret = ov5640_set_night_mode(sensor); 163919a81c14SSteve Longerbeam if (ret < 0) 164019a81c14SSteve Longerbeam return ret; 164119a81c14SSteve Longerbeam 164219a81c14SSteve Longerbeam /* Write capture setting */ 164319a81c14SSteve Longerbeam ret = ov5640_load_regs(sensor, mode); 164419a81c14SSteve Longerbeam if (ret < 0) 164519a81c14SSteve Longerbeam return ret; 164619a81c14SSteve Longerbeam 164719a81c14SSteve Longerbeam /* read capture VTS */ 164819a81c14SSteve Longerbeam ret = ov5640_get_vts(sensor); 164919a81c14SSteve Longerbeam if (ret < 0) 165019a81c14SSteve Longerbeam return ret; 165119a81c14SSteve Longerbeam cap_vts = ret; 165219a81c14SSteve Longerbeam ret = ov5640_get_hts(sensor); 165319a81c14SSteve Longerbeam if (ret < 0) 165419a81c14SSteve Longerbeam return ret; 165519a81c14SSteve Longerbeam if (ret == 0) 165619a81c14SSteve Longerbeam return -EINVAL; 165719a81c14SSteve Longerbeam cap_hts = ret; 165819a81c14SSteve Longerbeam 165919a81c14SSteve Longerbeam ret = ov5640_get_sysclk(sensor); 166019a81c14SSteve Longerbeam if (ret < 0) 166119a81c14SSteve Longerbeam return ret; 166219a81c14SSteve Longerbeam if (ret == 0) 166319a81c14SSteve Longerbeam return -EINVAL; 166419a81c14SSteve Longerbeam cap_sysclk = ret; 166519a81c14SSteve Longerbeam 166619a81c14SSteve Longerbeam /* calculate capture banding filter */ 166719a81c14SSteve Longerbeam ret = ov5640_get_light_freq(sensor); 166819a81c14SSteve Longerbeam if (ret < 0) 166919a81c14SSteve Longerbeam return ret; 167019a81c14SSteve Longerbeam light_freq = ret; 167119a81c14SSteve Longerbeam 167219a81c14SSteve Longerbeam if (light_freq == 60) { 167319a81c14SSteve Longerbeam /* 60Hz */ 167419a81c14SSteve Longerbeam cap_bandfilt = cap_sysclk * 100 / cap_hts * 100 / 120; 167519a81c14SSteve Longerbeam } else { 167619a81c14SSteve Longerbeam /* 50Hz */ 167719a81c14SSteve Longerbeam cap_bandfilt = cap_sysclk * 100 / cap_hts; 167819a81c14SSteve Longerbeam } 167919a81c14SSteve Longerbeam 168019a81c14SSteve Longerbeam if (!sensor->prev_sysclk) { 168119a81c14SSteve Longerbeam ret = ov5640_get_sysclk(sensor); 168219a81c14SSteve Longerbeam if (ret < 0) 168319a81c14SSteve Longerbeam return ret; 168419a81c14SSteve Longerbeam if (ret == 0) 168519a81c14SSteve Longerbeam return -EINVAL; 168619a81c14SSteve Longerbeam sensor->prev_sysclk = ret; 168719a81c14SSteve Longerbeam } 168819a81c14SSteve Longerbeam 168919a81c14SSteve Longerbeam if (!cap_bandfilt) 169019a81c14SSteve Longerbeam return -EINVAL; 169119a81c14SSteve Longerbeam 169219a81c14SSteve Longerbeam cap_maxband = (int)((cap_vts - 4) / cap_bandfilt); 169319a81c14SSteve Longerbeam 169419a81c14SSteve Longerbeam /* calculate capture shutter/gain16 */ 169519a81c14SSteve Longerbeam if (average > sensor->ae_low && average < sensor->ae_high) { 169619a81c14SSteve Longerbeam /* in stable range */ 169719a81c14SSteve Longerbeam cap_gain16_shutter = 169819a81c14SSteve Longerbeam prev_gain16 * prev_shutter * 169919a81c14SSteve Longerbeam cap_sysclk / sensor->prev_sysclk * 170019a81c14SSteve Longerbeam sensor->prev_hts / cap_hts * 170119a81c14SSteve Longerbeam sensor->ae_target / average; 170219a81c14SSteve Longerbeam } else { 170319a81c14SSteve Longerbeam cap_gain16_shutter = 170419a81c14SSteve Longerbeam prev_gain16 * prev_shutter * 170519a81c14SSteve Longerbeam cap_sysclk / sensor->prev_sysclk * 170619a81c14SSteve Longerbeam sensor->prev_hts / cap_hts; 170719a81c14SSteve Longerbeam } 170819a81c14SSteve Longerbeam 170919a81c14SSteve Longerbeam /* gain to shutter */ 171019a81c14SSteve Longerbeam if (cap_gain16_shutter < (cap_bandfilt * 16)) { 171119a81c14SSteve Longerbeam /* shutter < 1/100 */ 171219a81c14SSteve Longerbeam cap_shutter = cap_gain16_shutter / 16; 171319a81c14SSteve Longerbeam if (cap_shutter < 1) 171419a81c14SSteve Longerbeam cap_shutter = 1; 171519a81c14SSteve Longerbeam 171619a81c14SSteve Longerbeam cap_gain16 = cap_gain16_shutter / cap_shutter; 171719a81c14SSteve Longerbeam if (cap_gain16 < 16) 171819a81c14SSteve Longerbeam cap_gain16 = 16; 171919a81c14SSteve Longerbeam } else { 172019a81c14SSteve Longerbeam if (cap_gain16_shutter > (cap_bandfilt * cap_maxband * 16)) { 172119a81c14SSteve Longerbeam /* exposure reach max */ 172219a81c14SSteve Longerbeam cap_shutter = cap_bandfilt * cap_maxband; 172319a81c14SSteve Longerbeam if (!cap_shutter) 172419a81c14SSteve Longerbeam return -EINVAL; 172519a81c14SSteve Longerbeam 172619a81c14SSteve Longerbeam cap_gain16 = cap_gain16_shutter / cap_shutter; 172719a81c14SSteve Longerbeam } else { 172819a81c14SSteve Longerbeam /* 1/100 < (cap_shutter = n/100) =< max */ 172919a81c14SSteve Longerbeam cap_shutter = 173019a81c14SSteve Longerbeam ((int)(cap_gain16_shutter / 16 / cap_bandfilt)) 173119a81c14SSteve Longerbeam * cap_bandfilt; 173219a81c14SSteve Longerbeam if (!cap_shutter) 173319a81c14SSteve Longerbeam return -EINVAL; 173419a81c14SSteve Longerbeam 173519a81c14SSteve Longerbeam cap_gain16 = cap_gain16_shutter / cap_shutter; 173619a81c14SSteve Longerbeam } 173719a81c14SSteve Longerbeam } 173819a81c14SSteve Longerbeam 173919a81c14SSteve Longerbeam /* set capture gain */ 17403cca8ef5SHugues Fruchet ret = ov5640_set_gain(sensor, cap_gain16); 174119a81c14SSteve Longerbeam if (ret) 174219a81c14SSteve Longerbeam return ret; 174319a81c14SSteve Longerbeam 174419a81c14SSteve Longerbeam /* write capture shutter */ 174519a81c14SSteve Longerbeam if (cap_shutter > (cap_vts - 4)) { 174619a81c14SSteve Longerbeam cap_vts = cap_shutter + 4; 174719a81c14SSteve Longerbeam ret = ov5640_set_vts(sensor, cap_vts); 174819a81c14SSteve Longerbeam if (ret < 0) 174919a81c14SSteve Longerbeam return ret; 175019a81c14SSteve Longerbeam } 175119a81c14SSteve Longerbeam 175219a81c14SSteve Longerbeam /* set exposure */ 17533cca8ef5SHugues Fruchet return ov5640_set_exposure(sensor, cap_shutter); 175419a81c14SSteve Longerbeam } 175519a81c14SSteve Longerbeam 175619a81c14SSteve Longerbeam /* 175719a81c14SSteve Longerbeam * if sensor changes inside scaling or subsampling 175819a81c14SSteve Longerbeam * change mode directly 175919a81c14SSteve Longerbeam */ 176019a81c14SSteve Longerbeam static int ov5640_set_mode_direct(struct ov5640_dev *sensor, 17613cca8ef5SHugues Fruchet const struct ov5640_mode_info *mode) 176219a81c14SSteve Longerbeam { 176341d8d7f5SHugues Fruchet if (!mode->reg_data) 176419a81c14SSteve Longerbeam return -EINVAL; 176519a81c14SSteve Longerbeam 176619a81c14SSteve Longerbeam /* Write capture setting */ 17673cca8ef5SHugues Fruchet return ov5640_load_regs(sensor, mode); 176819a81c14SSteve Longerbeam } 176919a81c14SSteve Longerbeam 1770985cdcb0SHugues Fruchet static int ov5640_set_mode(struct ov5640_dev *sensor) 177119a81c14SSteve Longerbeam { 177219a81c14SSteve Longerbeam const struct ov5640_mode_info *mode = sensor->current_mode; 1773985cdcb0SHugues Fruchet const struct ov5640_mode_info *orig_mode = sensor->last_mode; 177419a81c14SSteve Longerbeam enum ov5640_downsize_mode dn_mode, orig_dn_mode; 17753cca8ef5SHugues Fruchet bool auto_gain = sensor->ctrls.auto_gain->val == 1; 1776dc29a1c1SHugues Fruchet bool auto_exp = sensor->ctrls.auto_exp->val == V4L2_EXPOSURE_AUTO; 1777aa288248SMaxime Ripard unsigned long rate; 177819a81c14SSteve Longerbeam int ret; 177919a81c14SSteve Longerbeam 178019a81c14SSteve Longerbeam dn_mode = mode->dn_mode; 178119a81c14SSteve Longerbeam orig_dn_mode = orig_mode->dn_mode; 178219a81c14SSteve Longerbeam 178319a81c14SSteve Longerbeam /* auto gain and exposure must be turned off when changing modes */ 17843cca8ef5SHugues Fruchet if (auto_gain) { 17853cca8ef5SHugues Fruchet ret = ov5640_set_autogain(sensor, false); 178619a81c14SSteve Longerbeam if (ret) 178719a81c14SSteve Longerbeam return ret; 17883cca8ef5SHugues Fruchet } 1789bf4a4b51SMaxime Ripard 17903cca8ef5SHugues Fruchet if (auto_exp) { 1791dc29a1c1SHugues Fruchet ret = ov5640_set_autoexposure(sensor, false); 179219a81c14SSteve Longerbeam if (ret) 17933cca8ef5SHugues Fruchet goto restore_auto_gain; 17943cca8ef5SHugues Fruchet } 179519a81c14SSteve Longerbeam 1796aa288248SMaxime Ripard /* 1797aa288248SMaxime Ripard * All the formats we support have 16 bits per pixel, seems to require 1798aa288248SMaxime Ripard * the same rate than YUV, so we can just use 16 bpp all the time. 1799aa288248SMaxime Ripard */ 1800cc196e48SBenoit Parrot rate = ov5640_calc_pixel_rate(sensor) * 16; 1801aa288248SMaxime Ripard if (sensor->ep.bus_type == V4L2_MBUS_CSI2_DPHY) { 1802aa288248SMaxime Ripard rate = rate / sensor->ep.bus.mipi_csi2.num_data_lanes; 1803aa288248SMaxime Ripard ret = ov5640_set_mipi_pclk(sensor, rate); 1804aa288248SMaxime Ripard } else { 1805aa288248SMaxime Ripard rate = rate / sensor->ep.bus.parallel.bus_width; 1806aa288248SMaxime Ripard ret = ov5640_set_dvp_pclk(sensor, rate); 1807aa288248SMaxime Ripard } 1808aa288248SMaxime Ripard 1809aa288248SMaxime Ripard if (ret < 0) 1810aa288248SMaxime Ripard return 0; 1811aa288248SMaxime Ripard 181219a81c14SSteve Longerbeam if ((dn_mode == SUBSAMPLING && orig_dn_mode == SCALING) || 181319a81c14SSteve Longerbeam (dn_mode == SCALING && orig_dn_mode == SUBSAMPLING)) { 181419a81c14SSteve Longerbeam /* 181519a81c14SSteve Longerbeam * change between subsampling and scaling 18163cca8ef5SHugues Fruchet * go through exposure calculation 181719a81c14SSteve Longerbeam */ 181819a81c14SSteve Longerbeam ret = ov5640_set_mode_exposure_calc(sensor, mode); 181919a81c14SSteve Longerbeam } else { 182019a81c14SSteve Longerbeam /* 182119a81c14SSteve Longerbeam * change inside subsampling or scaling 182219a81c14SSteve Longerbeam * download firmware directly 182319a81c14SSteve Longerbeam */ 18243cca8ef5SHugues Fruchet ret = ov5640_set_mode_direct(sensor, mode); 182519a81c14SSteve Longerbeam } 182619a81c14SSteve Longerbeam if (ret < 0) 18273cca8ef5SHugues Fruchet goto restore_auto_exp_gain; 18283cca8ef5SHugues Fruchet 18293cca8ef5SHugues Fruchet /* restore auto gain and exposure */ 18303cca8ef5SHugues Fruchet if (auto_gain) 18313cca8ef5SHugues Fruchet ov5640_set_autogain(sensor, true); 18323cca8ef5SHugues Fruchet if (auto_exp) 18333cca8ef5SHugues Fruchet ov5640_set_autoexposure(sensor, true); 183419a81c14SSteve Longerbeam 1835ce85705aSHugues Fruchet ret = ov5640_set_binning(sensor, dn_mode != SCALING); 1836ce85705aSHugues Fruchet if (ret < 0) 1837ce85705aSHugues Fruchet return ret; 183819a81c14SSteve Longerbeam ret = ov5640_set_ae_target(sensor, sensor->ae_target); 183919a81c14SSteve Longerbeam if (ret < 0) 184019a81c14SSteve Longerbeam return ret; 184119a81c14SSteve Longerbeam ret = ov5640_get_light_freq(sensor); 184219a81c14SSteve Longerbeam if (ret < 0) 184319a81c14SSteve Longerbeam return ret; 184419a81c14SSteve Longerbeam ret = ov5640_set_bandingfilter(sensor); 184519a81c14SSteve Longerbeam if (ret < 0) 184619a81c14SSteve Longerbeam return ret; 184719a81c14SSteve Longerbeam ret = ov5640_set_virtual_channel(sensor); 184819a81c14SSteve Longerbeam if (ret < 0) 184919a81c14SSteve Longerbeam return ret; 185019a81c14SSteve Longerbeam 185119a81c14SSteve Longerbeam sensor->pending_mode_change = false; 1852985cdcb0SHugues Fruchet sensor->last_mode = mode; 185319a81c14SSteve Longerbeam 185419a81c14SSteve Longerbeam return 0; 18553cca8ef5SHugues Fruchet 18563cca8ef5SHugues Fruchet restore_auto_exp_gain: 18573cca8ef5SHugues Fruchet if (auto_exp) 18583cca8ef5SHugues Fruchet ov5640_set_autoexposure(sensor, true); 18593cca8ef5SHugues Fruchet restore_auto_gain: 18603cca8ef5SHugues Fruchet if (auto_gain) 18613cca8ef5SHugues Fruchet ov5640_set_autogain(sensor, true); 18623cca8ef5SHugues Fruchet 18633cca8ef5SHugues Fruchet return ret; 186419a81c14SSteve Longerbeam } 186519a81c14SSteve Longerbeam 186619ad26f9SAkinobu Mita static int ov5640_set_framefmt(struct ov5640_dev *sensor, 186719ad26f9SAkinobu Mita struct v4l2_mbus_framefmt *format); 186819ad26f9SAkinobu Mita 186919a81c14SSteve Longerbeam /* restore the last set video mode after chip power-on */ 187019a81c14SSteve Longerbeam static int ov5640_restore_mode(struct ov5640_dev *sensor) 187119a81c14SSteve Longerbeam { 187219a81c14SSteve Longerbeam int ret; 187319a81c14SSteve Longerbeam 187419a81c14SSteve Longerbeam /* first load the initial register values */ 187519a81c14SSteve Longerbeam ret = ov5640_load_regs(sensor, &ov5640_mode_init_data); 187619a81c14SSteve Longerbeam if (ret < 0) 187719a81c14SSteve Longerbeam return ret; 1878985cdcb0SHugues Fruchet sensor->last_mode = &ov5640_mode_init_data; 187919a81c14SSteve Longerbeam 18808f57c2f8SMaxime Ripard ret = ov5640_mod_reg(sensor, OV5640_REG_SYS_ROOT_DIVIDER, 0x3f, 18817851fe7aSMaxime Ripard (ilog2(OV5640_SCLK2X_ROOT_DIV) << 2) | 18827851fe7aSMaxime Ripard ilog2(OV5640_SCLK_ROOT_DIV)); 18838f57c2f8SMaxime Ripard if (ret) 18848f57c2f8SMaxime Ripard return ret; 18858f57c2f8SMaxime Ripard 188619a81c14SSteve Longerbeam /* now restore the last capture mode */ 1887985cdcb0SHugues Fruchet ret = ov5640_set_mode(sensor); 188819ad26f9SAkinobu Mita if (ret < 0) 188919ad26f9SAkinobu Mita return ret; 189019ad26f9SAkinobu Mita 189119ad26f9SAkinobu Mita return ov5640_set_framefmt(sensor, &sensor->fmt); 189219a81c14SSteve Longerbeam } 189319a81c14SSteve Longerbeam 189419a81c14SSteve Longerbeam static void ov5640_power(struct ov5640_dev *sensor, bool enable) 189519a81c14SSteve Longerbeam { 18961fddc5daSHugues Fruchet gpiod_set_value_cansleep(sensor->pwdn_gpio, enable ? 0 : 1); 189719a81c14SSteve Longerbeam } 189819a81c14SSteve Longerbeam 189919a81c14SSteve Longerbeam static void ov5640_reset(struct ov5640_dev *sensor) 190019a81c14SSteve Longerbeam { 190119a81c14SSteve Longerbeam if (!sensor->reset_gpio) 190219a81c14SSteve Longerbeam return; 190319a81c14SSteve Longerbeam 19041fddc5daSHugues Fruchet gpiod_set_value_cansleep(sensor->reset_gpio, 0); 190519a81c14SSteve Longerbeam 190619a81c14SSteve Longerbeam /* camera power cycle */ 190719a81c14SSteve Longerbeam ov5640_power(sensor, false); 190819a81c14SSteve Longerbeam usleep_range(5000, 10000); 190919a81c14SSteve Longerbeam ov5640_power(sensor, true); 191019a81c14SSteve Longerbeam usleep_range(5000, 10000); 191119a81c14SSteve Longerbeam 19121fddc5daSHugues Fruchet gpiod_set_value_cansleep(sensor->reset_gpio, 1); 191319a81c14SSteve Longerbeam usleep_range(1000, 2000); 191419a81c14SSteve Longerbeam 19151fddc5daSHugues Fruchet gpiod_set_value_cansleep(sensor->reset_gpio, 0); 19161d4c41f3SLoic Poulain usleep_range(20000, 25000); 191719a81c14SSteve Longerbeam } 191819a81c14SSteve Longerbeam 19190f7acb52SHugues Fruchet static int ov5640_set_power_on(struct ov5640_dev *sensor) 192019a81c14SSteve Longerbeam { 19210f7acb52SHugues Fruchet struct i2c_client *client = sensor->i2c_client; 19220f7acb52SHugues Fruchet int ret; 192319a81c14SSteve Longerbeam 19240f7acb52SHugues Fruchet ret = clk_prepare_enable(sensor->xclk); 19250f7acb52SHugues Fruchet if (ret) { 19260f7acb52SHugues Fruchet dev_err(&client->dev, "%s: failed to enable clock\n", 19270f7acb52SHugues Fruchet __func__); 19280f7acb52SHugues Fruchet return ret; 19290f7acb52SHugues Fruchet } 193019a81c14SSteve Longerbeam 193119a81c14SSteve Longerbeam ret = regulator_bulk_enable(OV5640_NUM_SUPPLIES, 193219a81c14SSteve Longerbeam sensor->supplies); 19330f7acb52SHugues Fruchet if (ret) { 19340f7acb52SHugues Fruchet dev_err(&client->dev, "%s: failed to enable regulators\n", 19350f7acb52SHugues Fruchet __func__); 193619a81c14SSteve Longerbeam goto xclk_off; 19370f7acb52SHugues Fruchet } 193819a81c14SSteve Longerbeam 193919a81c14SSteve Longerbeam ov5640_reset(sensor); 194019a81c14SSteve Longerbeam ov5640_power(sensor, true); 194119a81c14SSteve Longerbeam 194219a81c14SSteve Longerbeam ret = ov5640_init_slave_id(sensor); 194319a81c14SSteve Longerbeam if (ret) 194419a81c14SSteve Longerbeam goto power_off; 194519a81c14SSteve Longerbeam 19460f7acb52SHugues Fruchet return 0; 19470f7acb52SHugues Fruchet 19480f7acb52SHugues Fruchet power_off: 19490f7acb52SHugues Fruchet ov5640_power(sensor, false); 19500f7acb52SHugues Fruchet regulator_bulk_disable(OV5640_NUM_SUPPLIES, sensor->supplies); 19510f7acb52SHugues Fruchet xclk_off: 19520f7acb52SHugues Fruchet clk_disable_unprepare(sensor->xclk); 19530f7acb52SHugues Fruchet return ret; 19540f7acb52SHugues Fruchet } 19550f7acb52SHugues Fruchet 19560f7acb52SHugues Fruchet static void ov5640_set_power_off(struct ov5640_dev *sensor) 19570f7acb52SHugues Fruchet { 19580f7acb52SHugues Fruchet ov5640_power(sensor, false); 19590f7acb52SHugues Fruchet regulator_bulk_disable(OV5640_NUM_SUPPLIES, sensor->supplies); 19600f7acb52SHugues Fruchet clk_disable_unprepare(sensor->xclk); 19610f7acb52SHugues Fruchet } 19620f7acb52SHugues Fruchet 1963b1751ae6SLad Prabhakar static int ov5640_set_power_mipi(struct ov5640_dev *sensor, bool on) 1964b1751ae6SLad Prabhakar { 1965b1751ae6SLad Prabhakar int ret; 1966b1751ae6SLad Prabhakar 1967b1751ae6SLad Prabhakar if (!on) { 1968b1751ae6SLad Prabhakar /* Reset MIPI bus settings to their default values. */ 1969b1751ae6SLad Prabhakar ov5640_write_reg(sensor, OV5640_REG_IO_MIPI_CTRL00, 0x58); 1970b1751ae6SLad Prabhakar ov5640_write_reg(sensor, OV5640_REG_MIPI_CTRL00, 0x04); 1971b1751ae6SLad Prabhakar ov5640_write_reg(sensor, OV5640_REG_PAD_OUTPUT00, 0x00); 1972b1751ae6SLad Prabhakar return 0; 1973b1751ae6SLad Prabhakar } 1974b1751ae6SLad Prabhakar 1975b1751ae6SLad Prabhakar /* 1976b1751ae6SLad Prabhakar * Power up MIPI HS Tx and LS Rx; 2 data lanes mode 1977b1751ae6SLad Prabhakar * 1978b1751ae6SLad Prabhakar * 0x300e = 0x40 1979b1751ae6SLad Prabhakar * [7:5] = 010 : 2 data lanes mode (see FIXME note in 1980b1751ae6SLad Prabhakar * "ov5640_set_stream_mipi()") 1981b1751ae6SLad Prabhakar * [4] = 0 : Power up MIPI HS Tx 1982b1751ae6SLad Prabhakar * [3] = 0 : Power up MIPI LS Rx 1983b1751ae6SLad Prabhakar * [2] = 0 : MIPI interface disabled 1984b1751ae6SLad Prabhakar */ 1985b1751ae6SLad Prabhakar ret = ov5640_write_reg(sensor, OV5640_REG_IO_MIPI_CTRL00, 0x40); 1986b1751ae6SLad Prabhakar if (ret) 1987b1751ae6SLad Prabhakar return ret; 1988b1751ae6SLad Prabhakar 1989b1751ae6SLad Prabhakar /* 1990b1751ae6SLad Prabhakar * Gate clock and set LP11 in 'no packets mode' (idle) 1991b1751ae6SLad Prabhakar * 1992b1751ae6SLad Prabhakar * 0x4800 = 0x24 1993b1751ae6SLad Prabhakar * [5] = 1 : Gate clock when 'no packets' 1994b1751ae6SLad Prabhakar * [2] = 1 : MIPI bus in LP11 when 'no packets' 1995b1751ae6SLad Prabhakar */ 1996b1751ae6SLad Prabhakar ret = ov5640_write_reg(sensor, OV5640_REG_MIPI_CTRL00, 0x24); 1997b1751ae6SLad Prabhakar if (ret) 1998b1751ae6SLad Prabhakar return ret; 1999b1751ae6SLad Prabhakar 2000b1751ae6SLad Prabhakar /* 2001b1751ae6SLad Prabhakar * Set data lanes and clock in LP11 when 'sleeping' 2002b1751ae6SLad Prabhakar * 2003b1751ae6SLad Prabhakar * 0x3019 = 0x70 2004b1751ae6SLad Prabhakar * [6] = 1 : MIPI data lane 2 in LP11 when 'sleeping' 2005b1751ae6SLad Prabhakar * [5] = 1 : MIPI data lane 1 in LP11 when 'sleeping' 2006b1751ae6SLad Prabhakar * [4] = 1 : MIPI clock lane in LP11 when 'sleeping' 2007b1751ae6SLad Prabhakar */ 2008b1751ae6SLad Prabhakar ret = ov5640_write_reg(sensor, OV5640_REG_PAD_OUTPUT00, 0x70); 2009b1751ae6SLad Prabhakar if (ret) 2010b1751ae6SLad Prabhakar return ret; 2011b1751ae6SLad Prabhakar 2012b1751ae6SLad Prabhakar /* Give lanes some time to coax into LP11 state. */ 2013b1751ae6SLad Prabhakar usleep_range(500, 1000); 2014b1751ae6SLad Prabhakar 2015b1751ae6SLad Prabhakar return 0; 2016b1751ae6SLad Prabhakar } 2017b1751ae6SLad Prabhakar 2018576f5d4bSLad Prabhakar static int ov5640_set_power_dvp(struct ov5640_dev *sensor, bool on) 2019576f5d4bSLad Prabhakar { 2020311a6408SLad Prabhakar unsigned int flags = sensor->ep.bus.parallel.flags; 2021311a6408SLad Prabhakar u8 pclk_pol = 0; 2022311a6408SLad Prabhakar u8 hsync_pol = 0; 2023311a6408SLad Prabhakar u8 vsync_pol = 0; 2024576f5d4bSLad Prabhakar int ret; 2025576f5d4bSLad Prabhakar 2026576f5d4bSLad Prabhakar if (!on) { 2027576f5d4bSLad Prabhakar /* Reset settings to their default values. */ 2028311a6408SLad Prabhakar ov5640_write_reg(sensor, OV5640_REG_IO_MIPI_CTRL00, 0x58); 2029311a6408SLad Prabhakar ov5640_write_reg(sensor, OV5640_REG_POLARITY_CTRL00, 0x20); 2030576f5d4bSLad Prabhakar ov5640_write_reg(sensor, OV5640_REG_PAD_OUTPUT_ENABLE01, 0x00); 2031576f5d4bSLad Prabhakar ov5640_write_reg(sensor, OV5640_REG_PAD_OUTPUT_ENABLE02, 0x00); 2032576f5d4bSLad Prabhakar return 0; 2033576f5d4bSLad Prabhakar } 2034576f5d4bSLad Prabhakar 2035576f5d4bSLad Prabhakar /* 2036311a6408SLad Prabhakar * Note about parallel port configuration. 2037311a6408SLad Prabhakar * 2038311a6408SLad Prabhakar * When configured in parallel mode, the OV5640 will 2039311a6408SLad Prabhakar * output 10 bits data on DVP data lines [9:0]. 2040311a6408SLad Prabhakar * If only 8 bits data are wanted, the 8 bits data lines 2041311a6408SLad Prabhakar * of the camera interface must be physically connected 2042311a6408SLad Prabhakar * on the DVP data lines [9:2]. 2043311a6408SLad Prabhakar * 2044311a6408SLad Prabhakar * Control lines polarity can be configured through 2045311a6408SLad Prabhakar * devicetree endpoint control lines properties. 2046311a6408SLad Prabhakar * If no endpoint control lines properties are set, 2047311a6408SLad Prabhakar * polarity will be as below: 2048311a6408SLad Prabhakar * - VSYNC: active high 2049311a6408SLad Prabhakar * - HREF: active low 2050311a6408SLad Prabhakar * - PCLK: active low 2051311a6408SLad Prabhakar */ 2052311a6408SLad Prabhakar /* 2053311a6408SLad Prabhakar * configure parallel port control lines polarity 2054311a6408SLad Prabhakar * 2055311a6408SLad Prabhakar * POLARITY CTRL0 2056311a6408SLad Prabhakar * - [5]: PCLK polarity (0: active low, 1: active high) 2057311a6408SLad Prabhakar * - [1]: HREF polarity (0: active low, 1: active high) 2058311a6408SLad Prabhakar * - [0]: VSYNC polarity (mismatch here between 2059311a6408SLad Prabhakar * datasheet and hardware, 0 is active high 2060311a6408SLad Prabhakar * and 1 is active low...) 2061311a6408SLad Prabhakar */ 20624039b037SLad Prabhakar if (sensor->ep.bus_type == V4L2_MBUS_PARALLEL) { 2063311a6408SLad Prabhakar if (flags & V4L2_MBUS_PCLK_SAMPLE_RISING) 2064311a6408SLad Prabhakar pclk_pol = 1; 2065311a6408SLad Prabhakar if (flags & V4L2_MBUS_HSYNC_ACTIVE_HIGH) 2066311a6408SLad Prabhakar hsync_pol = 1; 2067311a6408SLad Prabhakar if (flags & V4L2_MBUS_VSYNC_ACTIVE_LOW) 2068311a6408SLad Prabhakar vsync_pol = 1; 2069311a6408SLad Prabhakar 2070311a6408SLad Prabhakar ret = ov5640_write_reg(sensor, OV5640_REG_POLARITY_CTRL00, 20714039b037SLad Prabhakar (pclk_pol << 5) | (hsync_pol << 1) | 20724039b037SLad Prabhakar vsync_pol); 2073311a6408SLad Prabhakar 2074311a6408SLad Prabhakar if (ret) 2075311a6408SLad Prabhakar return ret; 20764039b037SLad Prabhakar } 2077311a6408SLad Prabhakar 2078311a6408SLad Prabhakar /* 2079311a6408SLad Prabhakar * powerdown MIPI TX/RX PHY & disable MIPI 2080311a6408SLad Prabhakar * 2081311a6408SLad Prabhakar * MIPI CONTROL 00 2082311a6408SLad Prabhakar * 4: PWDN PHY TX 2083311a6408SLad Prabhakar * 3: PWDN PHY RX 2084311a6408SLad Prabhakar * 2: MIPI enable 2085311a6408SLad Prabhakar */ 2086311a6408SLad Prabhakar ret = ov5640_write_reg(sensor, OV5640_REG_IO_MIPI_CTRL00, 0x18); 2087311a6408SLad Prabhakar if (ret) 2088311a6408SLad Prabhakar return ret; 2089311a6408SLad Prabhakar 2090311a6408SLad Prabhakar /* 2091576f5d4bSLad Prabhakar * enable VSYNC/HREF/PCLK DVP control lines 2092576f5d4bSLad Prabhakar * & D[9:6] DVP data lines 2093576f5d4bSLad Prabhakar * 2094576f5d4bSLad Prabhakar * PAD OUTPUT ENABLE 01 2095576f5d4bSLad Prabhakar * - 6: VSYNC output enable 2096576f5d4bSLad Prabhakar * - 5: HREF output enable 2097576f5d4bSLad Prabhakar * - 4: PCLK output enable 2098576f5d4bSLad Prabhakar * - [3:0]: D[9:6] output enable 2099576f5d4bSLad Prabhakar */ 21004039b037SLad Prabhakar ret = ov5640_write_reg(sensor, OV5640_REG_PAD_OUTPUT_ENABLE01, 21014039b037SLad Prabhakar sensor->ep.bus_type == V4L2_MBUS_PARALLEL ? 21024039b037SLad Prabhakar 0x7f : 0x1f); 2103576f5d4bSLad Prabhakar if (ret) 2104576f5d4bSLad Prabhakar return ret; 2105576f5d4bSLad Prabhakar 2106576f5d4bSLad Prabhakar /* 2107576f5d4bSLad Prabhakar * enable D[5:0] DVP data lines 2108576f5d4bSLad Prabhakar * 2109576f5d4bSLad Prabhakar * PAD OUTPUT ENABLE 02 2110576f5d4bSLad Prabhakar * - [7:2]: D[5:0] output enable 2111576f5d4bSLad Prabhakar */ 2112576f5d4bSLad Prabhakar return ov5640_write_reg(sensor, OV5640_REG_PAD_OUTPUT_ENABLE02, 0xfc); 2113576f5d4bSLad Prabhakar } 2114576f5d4bSLad Prabhakar 21150f7acb52SHugues Fruchet static int ov5640_set_power(struct ov5640_dev *sensor, bool on) 21160f7acb52SHugues Fruchet { 21170f7acb52SHugues Fruchet int ret = 0; 21180f7acb52SHugues Fruchet 21190f7acb52SHugues Fruchet if (on) { 21200f7acb52SHugues Fruchet ret = ov5640_set_power_on(sensor); 21210f7acb52SHugues Fruchet if (ret) 21220f7acb52SHugues Fruchet return ret; 21230f7acb52SHugues Fruchet 212419a81c14SSteve Longerbeam ret = ov5640_restore_mode(sensor); 212519a81c14SSteve Longerbeam if (ret) 212619a81c14SSteve Longerbeam goto power_off; 2127b1751ae6SLad Prabhakar } 212819a81c14SSteve Longerbeam 2129576f5d4bSLad Prabhakar if (sensor->ep.bus_type == V4L2_MBUS_CSI2_DPHY) 2130b1751ae6SLad Prabhakar ret = ov5640_set_power_mipi(sensor, on); 2131576f5d4bSLad Prabhakar else 2132576f5d4bSLad Prabhakar ret = ov5640_set_power_dvp(sensor, on); 2133b1751ae6SLad Prabhakar if (ret) 2134b1751ae6SLad Prabhakar goto power_off; 2135aa4bb8b8SJacopo Mondi 2136b1751ae6SLad Prabhakar if (!on) 2137aa4bb8b8SJacopo Mondi ov5640_set_power_off(sensor); 213819a81c14SSteve Longerbeam 213919a81c14SSteve Longerbeam return 0; 214019a81c14SSteve Longerbeam 214119a81c14SSteve Longerbeam power_off: 21420f7acb52SHugues Fruchet ov5640_set_power_off(sensor); 214319a81c14SSteve Longerbeam return ret; 214419a81c14SSteve Longerbeam } 214519a81c14SSteve Longerbeam 214619a81c14SSteve Longerbeam /* --------------- Subdev Operations --------------- */ 214719a81c14SSteve Longerbeam 214819a81c14SSteve Longerbeam static int ov5640_s_power(struct v4l2_subdev *sd, int on) 214919a81c14SSteve Longerbeam { 215019a81c14SSteve Longerbeam struct ov5640_dev *sensor = to_ov5640_dev(sd); 215119a81c14SSteve Longerbeam int ret = 0; 215219a81c14SSteve Longerbeam 215319a81c14SSteve Longerbeam mutex_lock(&sensor->lock); 215419a81c14SSteve Longerbeam 215519a81c14SSteve Longerbeam /* 215619a81c14SSteve Longerbeam * If the power count is modified from 0 to != 0 or from != 0 to 0, 215719a81c14SSteve Longerbeam * update the power state. 215819a81c14SSteve Longerbeam */ 215919a81c14SSteve Longerbeam if (sensor->power_count == !on) { 216019a81c14SSteve Longerbeam ret = ov5640_set_power(sensor, !!on); 216119a81c14SSteve Longerbeam if (ret) 216219a81c14SSteve Longerbeam goto out; 216319a81c14SSteve Longerbeam } 216419a81c14SSteve Longerbeam 216519a81c14SSteve Longerbeam /* Update the power count. */ 216619a81c14SSteve Longerbeam sensor->power_count += on ? 1 : -1; 216719a81c14SSteve Longerbeam WARN_ON(sensor->power_count < 0); 216819a81c14SSteve Longerbeam out: 216919a81c14SSteve Longerbeam mutex_unlock(&sensor->lock); 217019a81c14SSteve Longerbeam 217119a81c14SSteve Longerbeam if (on && !ret && sensor->power_count == 1) { 217219a81c14SSteve Longerbeam /* restore controls */ 217319a81c14SSteve Longerbeam ret = v4l2_ctrl_handler_setup(&sensor->ctrls.handler); 217419a81c14SSteve Longerbeam } 217519a81c14SSteve Longerbeam 217619a81c14SSteve Longerbeam return ret; 217719a81c14SSteve Longerbeam } 217819a81c14SSteve Longerbeam 217919a81c14SSteve Longerbeam static int ov5640_try_frame_interval(struct ov5640_dev *sensor, 218019a81c14SSteve Longerbeam struct v4l2_fract *fi, 218119a81c14SSteve Longerbeam u32 width, u32 height) 218219a81c14SSteve Longerbeam { 218319a81c14SSteve Longerbeam const struct ov5640_mode_info *mode; 21846530a5ebSJagan Teki enum ov5640_frame_rate rate = OV5640_15_FPS; 2185f6cc192fSMaxime Ripard int minfps, maxfps, best_fps, fps; 2186f6cc192fSMaxime Ripard int i; 218719a81c14SSteve Longerbeam 218819a81c14SSteve Longerbeam minfps = ov5640_framerates[OV5640_15_FPS]; 2189e823fb16SMaxime Ripard maxfps = ov5640_framerates[OV5640_60_FPS]; 219019a81c14SSteve Longerbeam 219119a81c14SSteve Longerbeam if (fi->numerator == 0) { 219219a81c14SSteve Longerbeam fi->denominator = maxfps; 219319a81c14SSteve Longerbeam fi->numerator = 1; 2194e823fb16SMaxime Ripard rate = OV5640_60_FPS; 2195e823fb16SMaxime Ripard goto find_mode; 219619a81c14SSteve Longerbeam } 219719a81c14SSteve Longerbeam 2198f6cc192fSMaxime Ripard fps = clamp_val(DIV_ROUND_CLOSEST(fi->denominator, fi->numerator), 2199f6cc192fSMaxime Ripard minfps, maxfps); 2200f6cc192fSMaxime Ripard 2201f6cc192fSMaxime Ripard best_fps = minfps; 2202f6cc192fSMaxime Ripard for (i = 0; i < ARRAY_SIZE(ov5640_framerates); i++) { 2203f6cc192fSMaxime Ripard int curr_fps = ov5640_framerates[i]; 2204f6cc192fSMaxime Ripard 2205f6cc192fSMaxime Ripard if (abs(curr_fps - fps) < abs(best_fps - fps)) { 2206f6cc192fSMaxime Ripard best_fps = curr_fps; 2207f6cc192fSMaxime Ripard rate = i; 2208f6cc192fSMaxime Ripard } 2209f6cc192fSMaxime Ripard } 221019a81c14SSteve Longerbeam 221119a81c14SSteve Longerbeam fi->numerator = 1; 2212f6cc192fSMaxime Ripard fi->denominator = best_fps; 221319a81c14SSteve Longerbeam 2214e823fb16SMaxime Ripard find_mode: 22155a3ad937SMaxime Ripard mode = ov5640_find_mode(sensor, rate, width, height, false); 22165a3ad937SMaxime Ripard return mode ? rate : -EINVAL; 221719a81c14SSteve Longerbeam } 221819a81c14SSteve Longerbeam 221919a81c14SSteve Longerbeam static int ov5640_get_fmt(struct v4l2_subdev *sd, 222019a81c14SSteve Longerbeam struct v4l2_subdev_pad_config *cfg, 222119a81c14SSteve Longerbeam struct v4l2_subdev_format *format) 222219a81c14SSteve Longerbeam { 222319a81c14SSteve Longerbeam struct ov5640_dev *sensor = to_ov5640_dev(sd); 222419a81c14SSteve Longerbeam struct v4l2_mbus_framefmt *fmt; 222519a81c14SSteve Longerbeam 222619a81c14SSteve Longerbeam if (format->pad != 0) 222719a81c14SSteve Longerbeam return -EINVAL; 222819a81c14SSteve Longerbeam 222919a81c14SSteve Longerbeam mutex_lock(&sensor->lock); 223019a81c14SSteve Longerbeam 223119a81c14SSteve Longerbeam if (format->which == V4L2_SUBDEV_FORMAT_TRY) 223219a81c14SSteve Longerbeam fmt = v4l2_subdev_get_try_format(&sensor->sd, cfg, 223319a81c14SSteve Longerbeam format->pad); 223419a81c14SSteve Longerbeam else 223519a81c14SSteve Longerbeam fmt = &sensor->fmt; 223619a81c14SSteve Longerbeam 223719a81c14SSteve Longerbeam format->format = *fmt; 223819a81c14SSteve Longerbeam 223919a81c14SSteve Longerbeam mutex_unlock(&sensor->lock); 224019a81c14SSteve Longerbeam 224119a81c14SSteve Longerbeam return 0; 224219a81c14SSteve Longerbeam } 224319a81c14SSteve Longerbeam 224419a81c14SSteve Longerbeam static int ov5640_try_fmt_internal(struct v4l2_subdev *sd, 224519a81c14SSteve Longerbeam struct v4l2_mbus_framefmt *fmt, 224619a81c14SSteve Longerbeam enum ov5640_frame_rate fr, 224719a81c14SSteve Longerbeam const struct ov5640_mode_info **new_mode) 224819a81c14SSteve Longerbeam { 224919a81c14SSteve Longerbeam struct ov5640_dev *sensor = to_ov5640_dev(sd); 225019a81c14SSteve Longerbeam const struct ov5640_mode_info *mode; 2251e3ee691dSHugues Fruchet int i; 225219a81c14SSteve Longerbeam 225319a81c14SSteve Longerbeam mode = ov5640_find_mode(sensor, fr, fmt->width, fmt->height, true); 225419a81c14SSteve Longerbeam if (!mode) 225519a81c14SSteve Longerbeam return -EINVAL; 2256dba13a0bSMaxime Ripard fmt->width = mode->hact; 2257dba13a0bSMaxime Ripard fmt->height = mode->vact; 225819a81c14SSteve Longerbeam 225919a81c14SSteve Longerbeam if (new_mode) 226019a81c14SSteve Longerbeam *new_mode = mode; 2261e3ee691dSHugues Fruchet 2262e3ee691dSHugues Fruchet for (i = 0; i < ARRAY_SIZE(ov5640_formats); i++) 2263e3ee691dSHugues Fruchet if (ov5640_formats[i].code == fmt->code) 2264e3ee691dSHugues Fruchet break; 2265e3ee691dSHugues Fruchet if (i >= ARRAY_SIZE(ov5640_formats)) 2266e6441fdeSHugues Fruchet i = 0; 2267e6441fdeSHugues Fruchet 2268e6441fdeSHugues Fruchet fmt->code = ov5640_formats[i].code; 2269e6441fdeSHugues Fruchet fmt->colorspace = ov5640_formats[i].colorspace; 2270e6441fdeSHugues Fruchet fmt->ycbcr_enc = V4L2_MAP_YCBCR_ENC_DEFAULT(fmt->colorspace); 2271e6441fdeSHugues Fruchet fmt->quantization = V4L2_QUANTIZATION_FULL_RANGE; 2272e6441fdeSHugues Fruchet fmt->xfer_func = V4L2_MAP_XFER_FUNC_DEFAULT(fmt->colorspace); 2273e3ee691dSHugues Fruchet 227419a81c14SSteve Longerbeam return 0; 227519a81c14SSteve Longerbeam } 227619a81c14SSteve Longerbeam 227719a81c14SSteve Longerbeam static int ov5640_set_fmt(struct v4l2_subdev *sd, 227819a81c14SSteve Longerbeam struct v4l2_subdev_pad_config *cfg, 227919a81c14SSteve Longerbeam struct v4l2_subdev_format *format) 228019a81c14SSteve Longerbeam { 228119a81c14SSteve Longerbeam struct ov5640_dev *sensor = to_ov5640_dev(sd); 228219a81c14SSteve Longerbeam const struct ov5640_mode_info *new_mode; 2283e6441fdeSHugues Fruchet struct v4l2_mbus_framefmt *mbus_fmt = &format->format; 228407115449SJacopo Mondi struct v4l2_mbus_framefmt *fmt; 228519a81c14SSteve Longerbeam int ret; 228619a81c14SSteve Longerbeam 228719a81c14SSteve Longerbeam if (format->pad != 0) 228819a81c14SSteve Longerbeam return -EINVAL; 228919a81c14SSteve Longerbeam 229019a81c14SSteve Longerbeam mutex_lock(&sensor->lock); 229119a81c14SSteve Longerbeam 229219a81c14SSteve Longerbeam if (sensor->streaming) { 229319a81c14SSteve Longerbeam ret = -EBUSY; 229419a81c14SSteve Longerbeam goto out; 229519a81c14SSteve Longerbeam } 229619a81c14SSteve Longerbeam 2297e6441fdeSHugues Fruchet ret = ov5640_try_fmt_internal(sd, mbus_fmt, 229819a81c14SSteve Longerbeam sensor->current_fr, &new_mode); 229919a81c14SSteve Longerbeam if (ret) 230019a81c14SSteve Longerbeam goto out; 230119a81c14SSteve Longerbeam 230207115449SJacopo Mondi if (format->which == V4L2_SUBDEV_FORMAT_TRY) 230307115449SJacopo Mondi fmt = v4l2_subdev_get_try_format(sd, cfg, 0); 230407115449SJacopo Mondi else 230507115449SJacopo Mondi fmt = &sensor->fmt; 230619a81c14SSteve Longerbeam 2307e6441fdeSHugues Fruchet *fmt = *mbus_fmt; 230819a81c14SSteve Longerbeam 23096949d864SHugues Fruchet if (new_mode != sensor->current_mode) { 231019a81c14SSteve Longerbeam sensor->current_mode = new_mode; 231119a81c14SSteve Longerbeam sensor->pending_mode_change = true; 23126949d864SHugues Fruchet } 231307115449SJacopo Mondi if (mbus_fmt->code != sensor->fmt.code) 2314fb98e29fSHugues Fruchet sensor->pending_fmt_change = true; 231507115449SJacopo Mondi 2316cc196e48SBenoit Parrot __v4l2_ctrl_s_ctrl_int64(sensor->ctrls.pixel_rate, 2317cc196e48SBenoit Parrot ov5640_calc_pixel_rate(sensor)); 231819a81c14SSteve Longerbeam out: 231919a81c14SSteve Longerbeam mutex_unlock(&sensor->lock); 232019a81c14SSteve Longerbeam return ret; 232119a81c14SSteve Longerbeam } 232219a81c14SSteve Longerbeam 2323e3ee691dSHugues Fruchet static int ov5640_set_framefmt(struct ov5640_dev *sensor, 2324e3ee691dSHugues Fruchet struct v4l2_mbus_framefmt *format) 2325e3ee691dSHugues Fruchet { 2326e3ee691dSHugues Fruchet int ret = 0; 2327d47c4126SHugues Fruchet bool is_jpeg = false; 2328b7ed3abdSLoic Poulain u8 fmt, mux; 2329e3ee691dSHugues Fruchet 2330e3ee691dSHugues Fruchet switch (format->code) { 2331e3ee691dSHugues Fruchet case MEDIA_BUS_FMT_UYVY8_2X8: 2332e3ee691dSHugues Fruchet /* YUV422, UYVY */ 2333b7ed3abdSLoic Poulain fmt = 0x3f; 2334b7ed3abdSLoic Poulain mux = OV5640_FMT_MUX_YUV422; 2335e3ee691dSHugues Fruchet break; 2336e3ee691dSHugues Fruchet case MEDIA_BUS_FMT_YUYV8_2X8: 2337e3ee691dSHugues Fruchet /* YUV422, YUYV */ 2338b7ed3abdSLoic Poulain fmt = 0x30; 2339b7ed3abdSLoic Poulain mux = OV5640_FMT_MUX_YUV422; 2340e3ee691dSHugues Fruchet break; 2341e3ee691dSHugues Fruchet case MEDIA_BUS_FMT_RGB565_2X8_LE: 2342e3ee691dSHugues Fruchet /* RGB565 {g[2:0],b[4:0]},{r[4:0],g[5:3]} */ 2343b7ed3abdSLoic Poulain fmt = 0x6F; 2344b7ed3abdSLoic Poulain mux = OV5640_FMT_MUX_RGB; 2345e3ee691dSHugues Fruchet break; 2346e3ee691dSHugues Fruchet case MEDIA_BUS_FMT_RGB565_2X8_BE: 2347e3ee691dSHugues Fruchet /* RGB565 {r[4:0],g[5:3]},{g[2:0],b[4:0]} */ 2348b7ed3abdSLoic Poulain fmt = 0x61; 2349b7ed3abdSLoic Poulain mux = OV5640_FMT_MUX_RGB; 2350e3ee691dSHugues Fruchet break; 2351d47c4126SHugues Fruchet case MEDIA_BUS_FMT_JPEG_1X8: 2352d47c4126SHugues Fruchet /* YUV422, YUYV */ 2353b7ed3abdSLoic Poulain fmt = 0x30; 2354b7ed3abdSLoic Poulain mux = OV5640_FMT_MUX_YUV422; 2355d47c4126SHugues Fruchet is_jpeg = true; 2356d47c4126SHugues Fruchet break; 2357b7ed3abdSLoic Poulain case MEDIA_BUS_FMT_SBGGR8_1X8: 2358b7ed3abdSLoic Poulain /* Raw, BGBG... / GRGR... */ 2359b7ed3abdSLoic Poulain fmt = 0x00; 2360b7ed3abdSLoic Poulain mux = OV5640_FMT_MUX_RAW_DPC; 2361b7ed3abdSLoic Poulain break; 2362b7ed3abdSLoic Poulain case MEDIA_BUS_FMT_SGBRG8_1X8: 2363b7ed3abdSLoic Poulain /* Raw bayer, GBGB... / RGRG... */ 2364b7ed3abdSLoic Poulain fmt = 0x01; 2365b7ed3abdSLoic Poulain mux = OV5640_FMT_MUX_RAW_DPC; 2366b7ed3abdSLoic Poulain break; 2367b7ed3abdSLoic Poulain case MEDIA_BUS_FMT_SGRBG8_1X8: 2368b7ed3abdSLoic Poulain /* Raw bayer, GRGR... / BGBG... */ 2369b7ed3abdSLoic Poulain fmt = 0x02; 2370b7ed3abdSLoic Poulain mux = OV5640_FMT_MUX_RAW_DPC; 2371b7ed3abdSLoic Poulain break; 2372b7ed3abdSLoic Poulain case MEDIA_BUS_FMT_SRGGB8_1X8: 2373b7ed3abdSLoic Poulain /* Raw bayer, RGRG... / GBGB... */ 2374b7ed3abdSLoic Poulain fmt = 0x03; 2375b7ed3abdSLoic Poulain mux = OV5640_FMT_MUX_RAW_DPC; 2376b7ed3abdSLoic Poulain break; 2377e3ee691dSHugues Fruchet default: 2378e3ee691dSHugues Fruchet return -EINVAL; 2379e3ee691dSHugues Fruchet } 2380e3ee691dSHugues Fruchet 2381e3ee691dSHugues Fruchet /* FORMAT CONTROL00: YUV and RGB formatting */ 2382b7ed3abdSLoic Poulain ret = ov5640_write_reg(sensor, OV5640_REG_FORMAT_CONTROL00, fmt); 2383e3ee691dSHugues Fruchet if (ret) 2384e3ee691dSHugues Fruchet return ret; 2385e3ee691dSHugues Fruchet 2386e3ee691dSHugues Fruchet /* FORMAT MUX CONTROL: ISP YUV or RGB */ 2387b7ed3abdSLoic Poulain ret = ov5640_write_reg(sensor, OV5640_REG_ISP_FORMAT_MUX_CTRL, mux); 2388d47c4126SHugues Fruchet if (ret) 2389d47c4126SHugues Fruchet return ret; 2390d47c4126SHugues Fruchet 2391d47c4126SHugues Fruchet /* 2392d47c4126SHugues Fruchet * TIMING TC REG21: 2393d47c4126SHugues Fruchet * - [5]: JPEG enable 2394d47c4126SHugues Fruchet */ 2395d47c4126SHugues Fruchet ret = ov5640_mod_reg(sensor, OV5640_REG_TIMING_TC_REG21, 2396d47c4126SHugues Fruchet BIT(5), is_jpeg ? BIT(5) : 0); 2397d47c4126SHugues Fruchet if (ret) 2398d47c4126SHugues Fruchet return ret; 2399d47c4126SHugues Fruchet 2400d47c4126SHugues Fruchet /* 2401d47c4126SHugues Fruchet * SYSTEM RESET02: 2402d47c4126SHugues Fruchet * - [4]: Reset JFIFO 2403d47c4126SHugues Fruchet * - [3]: Reset SFIFO 2404d47c4126SHugues Fruchet * - [2]: Reset JPEG 2405d47c4126SHugues Fruchet */ 2406d47c4126SHugues Fruchet ret = ov5640_mod_reg(sensor, OV5640_REG_SYS_RESET02, 2407d47c4126SHugues Fruchet BIT(4) | BIT(3) | BIT(2), 2408d47c4126SHugues Fruchet is_jpeg ? 0 : (BIT(4) | BIT(3) | BIT(2))); 2409d47c4126SHugues Fruchet if (ret) 2410d47c4126SHugues Fruchet return ret; 2411d47c4126SHugues Fruchet 2412d47c4126SHugues Fruchet /* 2413d47c4126SHugues Fruchet * CLOCK ENABLE02: 2414d47c4126SHugues Fruchet * - [5]: Enable JPEG 2x clock 2415d47c4126SHugues Fruchet * - [3]: Enable JPEG clock 2416d47c4126SHugues Fruchet */ 2417d47c4126SHugues Fruchet return ov5640_mod_reg(sensor, OV5640_REG_SYS_CLOCK_ENABLE02, 2418d47c4126SHugues Fruchet BIT(5) | BIT(3), 2419d47c4126SHugues Fruchet is_jpeg ? (BIT(5) | BIT(3)) : 0); 2420e3ee691dSHugues Fruchet } 242119a81c14SSteve Longerbeam 242219a81c14SSteve Longerbeam /* 242319a81c14SSteve Longerbeam * Sensor Controls. 242419a81c14SSteve Longerbeam */ 242519a81c14SSteve Longerbeam 242619a81c14SSteve Longerbeam static int ov5640_set_ctrl_hue(struct ov5640_dev *sensor, int value) 242719a81c14SSteve Longerbeam { 242819a81c14SSteve Longerbeam int ret; 242919a81c14SSteve Longerbeam 243019a81c14SSteve Longerbeam if (value) { 243119a81c14SSteve Longerbeam ret = ov5640_mod_reg(sensor, OV5640_REG_SDE_CTRL0, 243219a81c14SSteve Longerbeam BIT(0), BIT(0)); 243319a81c14SSteve Longerbeam if (ret) 243419a81c14SSteve Longerbeam return ret; 243519a81c14SSteve Longerbeam ret = ov5640_write_reg16(sensor, OV5640_REG_SDE_CTRL1, value); 243619a81c14SSteve Longerbeam } else { 243719a81c14SSteve Longerbeam ret = ov5640_mod_reg(sensor, OV5640_REG_SDE_CTRL0, BIT(0), 0); 243819a81c14SSteve Longerbeam } 243919a81c14SSteve Longerbeam 244019a81c14SSteve Longerbeam return ret; 244119a81c14SSteve Longerbeam } 244219a81c14SSteve Longerbeam 244319a81c14SSteve Longerbeam static int ov5640_set_ctrl_contrast(struct ov5640_dev *sensor, int value) 244419a81c14SSteve Longerbeam { 244519a81c14SSteve Longerbeam int ret; 244619a81c14SSteve Longerbeam 244719a81c14SSteve Longerbeam if (value) { 244819a81c14SSteve Longerbeam ret = ov5640_mod_reg(sensor, OV5640_REG_SDE_CTRL0, 244919a81c14SSteve Longerbeam BIT(2), BIT(2)); 245019a81c14SSteve Longerbeam if (ret) 245119a81c14SSteve Longerbeam return ret; 245219a81c14SSteve Longerbeam ret = ov5640_write_reg(sensor, OV5640_REG_SDE_CTRL5, 245319a81c14SSteve Longerbeam value & 0xff); 245419a81c14SSteve Longerbeam } else { 245519a81c14SSteve Longerbeam ret = ov5640_mod_reg(sensor, OV5640_REG_SDE_CTRL0, BIT(2), 0); 245619a81c14SSteve Longerbeam } 245719a81c14SSteve Longerbeam 245819a81c14SSteve Longerbeam return ret; 245919a81c14SSteve Longerbeam } 246019a81c14SSteve Longerbeam 246119a81c14SSteve Longerbeam static int ov5640_set_ctrl_saturation(struct ov5640_dev *sensor, int value) 246219a81c14SSteve Longerbeam { 246319a81c14SSteve Longerbeam int ret; 246419a81c14SSteve Longerbeam 246519a81c14SSteve Longerbeam if (value) { 246619a81c14SSteve Longerbeam ret = ov5640_mod_reg(sensor, OV5640_REG_SDE_CTRL0, 246719a81c14SSteve Longerbeam BIT(1), BIT(1)); 246819a81c14SSteve Longerbeam if (ret) 246919a81c14SSteve Longerbeam return ret; 247019a81c14SSteve Longerbeam ret = ov5640_write_reg(sensor, OV5640_REG_SDE_CTRL3, 247119a81c14SSteve Longerbeam value & 0xff); 247219a81c14SSteve Longerbeam if (ret) 247319a81c14SSteve Longerbeam return ret; 247419a81c14SSteve Longerbeam ret = ov5640_write_reg(sensor, OV5640_REG_SDE_CTRL4, 247519a81c14SSteve Longerbeam value & 0xff); 247619a81c14SSteve Longerbeam } else { 247719a81c14SSteve Longerbeam ret = ov5640_mod_reg(sensor, OV5640_REG_SDE_CTRL0, BIT(1), 0); 247819a81c14SSteve Longerbeam } 247919a81c14SSteve Longerbeam 248019a81c14SSteve Longerbeam return ret; 248119a81c14SSteve Longerbeam } 248219a81c14SSteve Longerbeam 248319a81c14SSteve Longerbeam static int ov5640_set_ctrl_white_balance(struct ov5640_dev *sensor, int awb) 248419a81c14SSteve Longerbeam { 248519a81c14SSteve Longerbeam int ret; 248619a81c14SSteve Longerbeam 248719a81c14SSteve Longerbeam ret = ov5640_mod_reg(sensor, OV5640_REG_AWB_MANUAL_CTRL, 248819a81c14SSteve Longerbeam BIT(0), awb ? 0 : 1); 248919a81c14SSteve Longerbeam if (ret) 249019a81c14SSteve Longerbeam return ret; 249119a81c14SSteve Longerbeam 249219a81c14SSteve Longerbeam if (!awb) { 249319a81c14SSteve Longerbeam u16 red = (u16)sensor->ctrls.red_balance->val; 249419a81c14SSteve Longerbeam u16 blue = (u16)sensor->ctrls.blue_balance->val; 249519a81c14SSteve Longerbeam 249619a81c14SSteve Longerbeam ret = ov5640_write_reg16(sensor, OV5640_REG_AWB_R_GAIN, red); 249719a81c14SSteve Longerbeam if (ret) 249819a81c14SSteve Longerbeam return ret; 249919a81c14SSteve Longerbeam ret = ov5640_write_reg16(sensor, OV5640_REG_AWB_B_GAIN, blue); 250019a81c14SSteve Longerbeam } 250119a81c14SSteve Longerbeam 250219a81c14SSteve Longerbeam return ret; 250319a81c14SSteve Longerbeam } 250419a81c14SSteve Longerbeam 25053cca8ef5SHugues Fruchet static int ov5640_set_ctrl_exposure(struct ov5640_dev *sensor, 25063cca8ef5SHugues Fruchet enum v4l2_exposure_auto_type auto_exposure) 250719a81c14SSteve Longerbeam { 250819a81c14SSteve Longerbeam struct ov5640_ctrls *ctrls = &sensor->ctrls; 25093cca8ef5SHugues Fruchet bool auto_exp = (auto_exposure == V4L2_EXPOSURE_AUTO); 251019a81c14SSteve Longerbeam int ret = 0; 251119a81c14SSteve Longerbeam 251219a81c14SSteve Longerbeam if (ctrls->auto_exp->is_new) { 25133cca8ef5SHugues Fruchet ret = ov5640_set_autoexposure(sensor, auto_exp); 251419a81c14SSteve Longerbeam if (ret) 251519a81c14SSteve Longerbeam return ret; 251619a81c14SSteve Longerbeam } 251719a81c14SSteve Longerbeam 25183cca8ef5SHugues Fruchet if (!auto_exp && ctrls->exposure->is_new) { 251919a81c14SSteve Longerbeam u16 max_exp; 252019a81c14SSteve Longerbeam 252119a81c14SSteve Longerbeam ret = ov5640_read_reg16(sensor, OV5640_REG_AEC_PK_VTS, 252219a81c14SSteve Longerbeam &max_exp); 252319a81c14SSteve Longerbeam if (ret) 252419a81c14SSteve Longerbeam return ret; 252519a81c14SSteve Longerbeam ret = ov5640_get_vts(sensor); 252619a81c14SSteve Longerbeam if (ret < 0) 252719a81c14SSteve Longerbeam return ret; 252819a81c14SSteve Longerbeam max_exp += ret; 25296146fde3SHugues Fruchet ret = 0; 253019a81c14SSteve Longerbeam 253119a81c14SSteve Longerbeam if (ctrls->exposure->val < max_exp) 253219a81c14SSteve Longerbeam ret = ov5640_set_exposure(sensor, ctrls->exposure->val); 253319a81c14SSteve Longerbeam } 253419a81c14SSteve Longerbeam 253519a81c14SSteve Longerbeam return ret; 253619a81c14SSteve Longerbeam } 253719a81c14SSteve Longerbeam 25383cca8ef5SHugues Fruchet static int ov5640_set_ctrl_gain(struct ov5640_dev *sensor, bool auto_gain) 253919a81c14SSteve Longerbeam { 254019a81c14SSteve Longerbeam struct ov5640_ctrls *ctrls = &sensor->ctrls; 254119a81c14SSteve Longerbeam int ret = 0; 254219a81c14SSteve Longerbeam 254319a81c14SSteve Longerbeam if (ctrls->auto_gain->is_new) { 25443cca8ef5SHugues Fruchet ret = ov5640_set_autogain(sensor, auto_gain); 254519a81c14SSteve Longerbeam if (ret) 254619a81c14SSteve Longerbeam return ret; 254719a81c14SSteve Longerbeam } 254819a81c14SSteve Longerbeam 25493cca8ef5SHugues Fruchet if (!auto_gain && ctrls->gain->is_new) 25503cca8ef5SHugues Fruchet ret = ov5640_set_gain(sensor, ctrls->gain->val); 255119a81c14SSteve Longerbeam 255219a81c14SSteve Longerbeam return ret; 255319a81c14SSteve Longerbeam } 255419a81c14SSteve Longerbeam 25559f6d7bacSChen-Yu Tsai static const char * const test_pattern_menu[] = { 25569f6d7bacSChen-Yu Tsai "Disabled", 25579f6d7bacSChen-Yu Tsai "Color bars", 2558bddc5cdfSChen-Yu Tsai "Color bars w/ rolling bar", 2559bddc5cdfSChen-Yu Tsai "Color squares", 2560bddc5cdfSChen-Yu Tsai "Color squares w/ rolling bar", 25619f6d7bacSChen-Yu Tsai }; 25629f6d7bacSChen-Yu Tsai 2563a0c29afbSChen-Yu Tsai #define OV5640_TEST_ENABLE BIT(7) 2564a0c29afbSChen-Yu Tsai #define OV5640_TEST_ROLLING BIT(6) /* rolling horizontal bar */ 2565a0c29afbSChen-Yu Tsai #define OV5640_TEST_TRANSPARENT BIT(5) 2566a0c29afbSChen-Yu Tsai #define OV5640_TEST_SQUARE_BW BIT(4) /* black & white squares */ 2567a0c29afbSChen-Yu Tsai #define OV5640_TEST_BAR_STANDARD (0 << 2) 2568a0c29afbSChen-Yu Tsai #define OV5640_TEST_BAR_VERT_CHANGE_1 (1 << 2) 2569a0c29afbSChen-Yu Tsai #define OV5640_TEST_BAR_HOR_CHANGE (2 << 2) 2570a0c29afbSChen-Yu Tsai #define OV5640_TEST_BAR_VERT_CHANGE_2 (3 << 2) 2571a0c29afbSChen-Yu Tsai #define OV5640_TEST_BAR (0 << 0) 2572a0c29afbSChen-Yu Tsai #define OV5640_TEST_RANDOM (1 << 0) 2573a0c29afbSChen-Yu Tsai #define OV5640_TEST_SQUARE (2 << 0) 2574a0c29afbSChen-Yu Tsai #define OV5640_TEST_BLACK (3 << 0) 2575a0c29afbSChen-Yu Tsai 2576a0c29afbSChen-Yu Tsai static const u8 test_pattern_val[] = { 2577a0c29afbSChen-Yu Tsai 0, 25782aff1fc3SChen-Yu Tsai OV5640_TEST_ENABLE | OV5640_TEST_BAR_VERT_CHANGE_1 | 2579a0c29afbSChen-Yu Tsai OV5640_TEST_BAR, 2580bddc5cdfSChen-Yu Tsai OV5640_TEST_ENABLE | OV5640_TEST_ROLLING | 2581bddc5cdfSChen-Yu Tsai OV5640_TEST_BAR_VERT_CHANGE_1 | OV5640_TEST_BAR, 2582bddc5cdfSChen-Yu Tsai OV5640_TEST_ENABLE | OV5640_TEST_SQUARE, 2583bddc5cdfSChen-Yu Tsai OV5640_TEST_ENABLE | OV5640_TEST_ROLLING | OV5640_TEST_SQUARE, 2584a0c29afbSChen-Yu Tsai }; 2585a0c29afbSChen-Yu Tsai 258619a81c14SSteve Longerbeam static int ov5640_set_ctrl_test_pattern(struct ov5640_dev *sensor, int value) 258719a81c14SSteve Longerbeam { 2588a0c29afbSChen-Yu Tsai return ov5640_write_reg(sensor, OV5640_REG_PRE_ISP_TEST_SET1, 2589a0c29afbSChen-Yu Tsai test_pattern_val[value]); 259019a81c14SSteve Longerbeam } 259119a81c14SSteve Longerbeam 25921068fecaSMylène Josserand static int ov5640_set_ctrl_light_freq(struct ov5640_dev *sensor, int value) 25931068fecaSMylène Josserand { 25941068fecaSMylène Josserand int ret; 25951068fecaSMylène Josserand 25961068fecaSMylène Josserand ret = ov5640_mod_reg(sensor, OV5640_REG_HZ5060_CTRL01, BIT(7), 25971068fecaSMylène Josserand (value == V4L2_CID_POWER_LINE_FREQUENCY_AUTO) ? 25981068fecaSMylène Josserand 0 : BIT(7)); 25991068fecaSMylène Josserand if (ret) 26001068fecaSMylène Josserand return ret; 26011068fecaSMylène Josserand 26021068fecaSMylène Josserand return ov5640_mod_reg(sensor, OV5640_REG_HZ5060_CTRL00, BIT(2), 26031068fecaSMylène Josserand (value == V4L2_CID_POWER_LINE_FREQUENCY_50HZ) ? 26041068fecaSMylène Josserand BIT(2) : 0); 26051068fecaSMylène Josserand } 26061068fecaSMylène Josserand 2607ce85705aSHugues Fruchet static int ov5640_set_ctrl_hflip(struct ov5640_dev *sensor, int value) 2608ce85705aSHugues Fruchet { 2609ce85705aSHugues Fruchet /* 2610c3f3ba3eSHugues Fruchet * If sensor is mounted upside down, mirror logic is inversed. 2611c3f3ba3eSHugues Fruchet * 2612ce85705aSHugues Fruchet * Sensor is a BSI (Back Side Illuminated) one, 2613ce85705aSHugues Fruchet * so image captured is physically mirrored. 2614ce85705aSHugues Fruchet * This is why mirror logic is inversed in 2615ce85705aSHugues Fruchet * order to cancel this mirror effect. 2616ce85705aSHugues Fruchet */ 2617ce85705aSHugues Fruchet 2618ce85705aSHugues Fruchet /* 2619ce85705aSHugues Fruchet * TIMING TC REG21: 2620ce85705aSHugues Fruchet * - [2]: ISP mirror 2621ce85705aSHugues Fruchet * - [1]: Sensor mirror 2622ce85705aSHugues Fruchet */ 2623ce85705aSHugues Fruchet return ov5640_mod_reg(sensor, OV5640_REG_TIMING_TC_REG21, 2624ce85705aSHugues Fruchet BIT(2) | BIT(1), 2625c3f3ba3eSHugues Fruchet (!(value ^ sensor->upside_down)) ? 2626c3f3ba3eSHugues Fruchet (BIT(2) | BIT(1)) : 0); 2627ce85705aSHugues Fruchet } 2628ce85705aSHugues Fruchet 2629ce85705aSHugues Fruchet static int ov5640_set_ctrl_vflip(struct ov5640_dev *sensor, int value) 2630ce85705aSHugues Fruchet { 2631c3f3ba3eSHugues Fruchet /* If sensor is mounted upside down, flip logic is inversed */ 2632c3f3ba3eSHugues Fruchet 2633ce85705aSHugues Fruchet /* 2634ce85705aSHugues Fruchet * TIMING TC REG20: 2635ce85705aSHugues Fruchet * - [2]: ISP vflip 2636ce85705aSHugues Fruchet * - [1]: Sensor vflip 2637ce85705aSHugues Fruchet */ 2638ce85705aSHugues Fruchet return ov5640_mod_reg(sensor, OV5640_REG_TIMING_TC_REG20, 2639ce85705aSHugues Fruchet BIT(2) | BIT(1), 2640c3f3ba3eSHugues Fruchet (value ^ sensor->upside_down) ? 2641c3f3ba3eSHugues Fruchet (BIT(2) | BIT(1)) : 0); 2642ce85705aSHugues Fruchet } 2643ce85705aSHugues Fruchet 264419a81c14SSteve Longerbeam static int ov5640_g_volatile_ctrl(struct v4l2_ctrl *ctrl) 264519a81c14SSteve Longerbeam { 264619a81c14SSteve Longerbeam struct v4l2_subdev *sd = ctrl_to_sd(ctrl); 264719a81c14SSteve Longerbeam struct ov5640_dev *sensor = to_ov5640_dev(sd); 264819a81c14SSteve Longerbeam int val; 264919a81c14SSteve Longerbeam 265019a81c14SSteve Longerbeam /* v4l2_ctrl_lock() locks our own mutex */ 265119a81c14SSteve Longerbeam 265219a81c14SSteve Longerbeam switch (ctrl->id) { 265319a81c14SSteve Longerbeam case V4L2_CID_AUTOGAIN: 265419a81c14SSteve Longerbeam val = ov5640_get_gain(sensor); 265519a81c14SSteve Longerbeam if (val < 0) 265619a81c14SSteve Longerbeam return val; 265719a81c14SSteve Longerbeam sensor->ctrls.gain->val = val; 265819a81c14SSteve Longerbeam break; 265919a81c14SSteve Longerbeam case V4L2_CID_EXPOSURE_AUTO: 266019a81c14SSteve Longerbeam val = ov5640_get_exposure(sensor); 266119a81c14SSteve Longerbeam if (val < 0) 266219a81c14SSteve Longerbeam return val; 266319a81c14SSteve Longerbeam sensor->ctrls.exposure->val = val; 266419a81c14SSteve Longerbeam break; 266519a81c14SSteve Longerbeam } 266619a81c14SSteve Longerbeam 266719a81c14SSteve Longerbeam return 0; 266819a81c14SSteve Longerbeam } 266919a81c14SSteve Longerbeam 267019a81c14SSteve Longerbeam static int ov5640_s_ctrl(struct v4l2_ctrl *ctrl) 267119a81c14SSteve Longerbeam { 267219a81c14SSteve Longerbeam struct v4l2_subdev *sd = ctrl_to_sd(ctrl); 267319a81c14SSteve Longerbeam struct ov5640_dev *sensor = to_ov5640_dev(sd); 267419a81c14SSteve Longerbeam int ret; 267519a81c14SSteve Longerbeam 267619a81c14SSteve Longerbeam /* v4l2_ctrl_lock() locks our own mutex */ 267719a81c14SSteve Longerbeam 267819a81c14SSteve Longerbeam /* 267919a81c14SSteve Longerbeam * If the device is not powered up by the host driver do 268019a81c14SSteve Longerbeam * not apply any controls to H/W at this time. Instead 268119a81c14SSteve Longerbeam * the controls will be restored right after power-up. 268219a81c14SSteve Longerbeam */ 268319a81c14SSteve Longerbeam if (sensor->power_count == 0) 268419a81c14SSteve Longerbeam return 0; 268519a81c14SSteve Longerbeam 268619a81c14SSteve Longerbeam switch (ctrl->id) { 268719a81c14SSteve Longerbeam case V4L2_CID_AUTOGAIN: 268819a81c14SSteve Longerbeam ret = ov5640_set_ctrl_gain(sensor, ctrl->val); 268919a81c14SSteve Longerbeam break; 269019a81c14SSteve Longerbeam case V4L2_CID_EXPOSURE_AUTO: 269119a81c14SSteve Longerbeam ret = ov5640_set_ctrl_exposure(sensor, ctrl->val); 269219a81c14SSteve Longerbeam break; 269319a81c14SSteve Longerbeam case V4L2_CID_AUTO_WHITE_BALANCE: 269419a81c14SSteve Longerbeam ret = ov5640_set_ctrl_white_balance(sensor, ctrl->val); 269519a81c14SSteve Longerbeam break; 269619a81c14SSteve Longerbeam case V4L2_CID_HUE: 269719a81c14SSteve Longerbeam ret = ov5640_set_ctrl_hue(sensor, ctrl->val); 269819a81c14SSteve Longerbeam break; 269919a81c14SSteve Longerbeam case V4L2_CID_CONTRAST: 270019a81c14SSteve Longerbeam ret = ov5640_set_ctrl_contrast(sensor, ctrl->val); 270119a81c14SSteve Longerbeam break; 270219a81c14SSteve Longerbeam case V4L2_CID_SATURATION: 270319a81c14SSteve Longerbeam ret = ov5640_set_ctrl_saturation(sensor, ctrl->val); 270419a81c14SSteve Longerbeam break; 270519a81c14SSteve Longerbeam case V4L2_CID_TEST_PATTERN: 270619a81c14SSteve Longerbeam ret = ov5640_set_ctrl_test_pattern(sensor, ctrl->val); 270719a81c14SSteve Longerbeam break; 27081068fecaSMylène Josserand case V4L2_CID_POWER_LINE_FREQUENCY: 27091068fecaSMylène Josserand ret = ov5640_set_ctrl_light_freq(sensor, ctrl->val); 27101068fecaSMylène Josserand break; 2711ce85705aSHugues Fruchet case V4L2_CID_HFLIP: 2712ce85705aSHugues Fruchet ret = ov5640_set_ctrl_hflip(sensor, ctrl->val); 2713ce85705aSHugues Fruchet break; 2714ce85705aSHugues Fruchet case V4L2_CID_VFLIP: 2715ce85705aSHugues Fruchet ret = ov5640_set_ctrl_vflip(sensor, ctrl->val); 2716ce85705aSHugues Fruchet break; 271719a81c14SSteve Longerbeam default: 271819a81c14SSteve Longerbeam ret = -EINVAL; 271919a81c14SSteve Longerbeam break; 272019a81c14SSteve Longerbeam } 272119a81c14SSteve Longerbeam 272219a81c14SSteve Longerbeam return ret; 272319a81c14SSteve Longerbeam } 272419a81c14SSteve Longerbeam 272519a81c14SSteve Longerbeam static const struct v4l2_ctrl_ops ov5640_ctrl_ops = { 272619a81c14SSteve Longerbeam .g_volatile_ctrl = ov5640_g_volatile_ctrl, 272719a81c14SSteve Longerbeam .s_ctrl = ov5640_s_ctrl, 272819a81c14SSteve Longerbeam }; 272919a81c14SSteve Longerbeam 273019a81c14SSteve Longerbeam static int ov5640_init_controls(struct ov5640_dev *sensor) 273119a81c14SSteve Longerbeam { 273219a81c14SSteve Longerbeam const struct v4l2_ctrl_ops *ops = &ov5640_ctrl_ops; 273319a81c14SSteve Longerbeam struct ov5640_ctrls *ctrls = &sensor->ctrls; 273419a81c14SSteve Longerbeam struct v4l2_ctrl_handler *hdl = &ctrls->handler; 273519a81c14SSteve Longerbeam int ret; 273619a81c14SSteve Longerbeam 273719a81c14SSteve Longerbeam v4l2_ctrl_handler_init(hdl, 32); 273819a81c14SSteve Longerbeam 273919a81c14SSteve Longerbeam /* we can use our own mutex for the ctrl lock */ 274019a81c14SSteve Longerbeam hdl->lock = &sensor->lock; 274119a81c14SSteve Longerbeam 2742cc196e48SBenoit Parrot /* Clock related controls */ 2743cc196e48SBenoit Parrot ctrls->pixel_rate = v4l2_ctrl_new_std(hdl, ops, V4L2_CID_PIXEL_RATE, 2744cc196e48SBenoit Parrot 0, INT_MAX, 1, 2745cc196e48SBenoit Parrot ov5640_calc_pixel_rate(sensor)); 2746cc196e48SBenoit Parrot 274719a81c14SSteve Longerbeam /* Auto/manual white balance */ 274819a81c14SSteve Longerbeam ctrls->auto_wb = v4l2_ctrl_new_std(hdl, ops, 274919a81c14SSteve Longerbeam V4L2_CID_AUTO_WHITE_BALANCE, 275019a81c14SSteve Longerbeam 0, 1, 1, 1); 275119a81c14SSteve Longerbeam ctrls->blue_balance = v4l2_ctrl_new_std(hdl, ops, V4L2_CID_BLUE_BALANCE, 275219a81c14SSteve Longerbeam 0, 4095, 1, 0); 275319a81c14SSteve Longerbeam ctrls->red_balance = v4l2_ctrl_new_std(hdl, ops, V4L2_CID_RED_BALANCE, 275419a81c14SSteve Longerbeam 0, 4095, 1, 0); 275519a81c14SSteve Longerbeam /* Auto/manual exposure */ 275619a81c14SSteve Longerbeam ctrls->auto_exp = v4l2_ctrl_new_std_menu(hdl, ops, 275719a81c14SSteve Longerbeam V4L2_CID_EXPOSURE_AUTO, 275819a81c14SSteve Longerbeam V4L2_EXPOSURE_MANUAL, 0, 275919a81c14SSteve Longerbeam V4L2_EXPOSURE_AUTO); 276019a81c14SSteve Longerbeam ctrls->exposure = v4l2_ctrl_new_std(hdl, ops, V4L2_CID_EXPOSURE, 276119a81c14SSteve Longerbeam 0, 65535, 1, 0); 276219a81c14SSteve Longerbeam /* Auto/manual gain */ 276319a81c14SSteve Longerbeam ctrls->auto_gain = v4l2_ctrl_new_std(hdl, ops, V4L2_CID_AUTOGAIN, 276419a81c14SSteve Longerbeam 0, 1, 1, 1); 276519a81c14SSteve Longerbeam ctrls->gain = v4l2_ctrl_new_std(hdl, ops, V4L2_CID_GAIN, 276619a81c14SSteve Longerbeam 0, 1023, 1, 0); 276719a81c14SSteve Longerbeam 276819a81c14SSteve Longerbeam ctrls->saturation = v4l2_ctrl_new_std(hdl, ops, V4L2_CID_SATURATION, 276919a81c14SSteve Longerbeam 0, 255, 1, 64); 277019a81c14SSteve Longerbeam ctrls->hue = v4l2_ctrl_new_std(hdl, ops, V4L2_CID_HUE, 277119a81c14SSteve Longerbeam 0, 359, 1, 0); 277219a81c14SSteve Longerbeam ctrls->contrast = v4l2_ctrl_new_std(hdl, ops, V4L2_CID_CONTRAST, 277319a81c14SSteve Longerbeam 0, 255, 1, 0); 277419a81c14SSteve Longerbeam ctrls->test_pattern = 277519a81c14SSteve Longerbeam v4l2_ctrl_new_std_menu_items(hdl, ops, V4L2_CID_TEST_PATTERN, 277619a81c14SSteve Longerbeam ARRAY_SIZE(test_pattern_menu) - 1, 277719a81c14SSteve Longerbeam 0, 0, test_pattern_menu); 2778ce85705aSHugues Fruchet ctrls->hflip = v4l2_ctrl_new_std(hdl, ops, V4L2_CID_HFLIP, 2779ce85705aSHugues Fruchet 0, 1, 1, 0); 2780ce85705aSHugues Fruchet ctrls->vflip = v4l2_ctrl_new_std(hdl, ops, V4L2_CID_VFLIP, 2781ce85705aSHugues Fruchet 0, 1, 1, 0); 278219a81c14SSteve Longerbeam 27831068fecaSMylène Josserand ctrls->light_freq = 27841068fecaSMylène Josserand v4l2_ctrl_new_std_menu(hdl, ops, 27851068fecaSMylène Josserand V4L2_CID_POWER_LINE_FREQUENCY, 27861068fecaSMylène Josserand V4L2_CID_POWER_LINE_FREQUENCY_AUTO, 0, 27871068fecaSMylène Josserand V4L2_CID_POWER_LINE_FREQUENCY_50HZ); 27881068fecaSMylène Josserand 278919a81c14SSteve Longerbeam if (hdl->error) { 279019a81c14SSteve Longerbeam ret = hdl->error; 279119a81c14SSteve Longerbeam goto free_ctrls; 279219a81c14SSteve Longerbeam } 279319a81c14SSteve Longerbeam 2794cc196e48SBenoit Parrot ctrls->pixel_rate->flags |= V4L2_CTRL_FLAG_READ_ONLY; 279519a81c14SSteve Longerbeam ctrls->gain->flags |= V4L2_CTRL_FLAG_VOLATILE; 279619a81c14SSteve Longerbeam ctrls->exposure->flags |= V4L2_CTRL_FLAG_VOLATILE; 279719a81c14SSteve Longerbeam 279819a81c14SSteve Longerbeam v4l2_ctrl_auto_cluster(3, &ctrls->auto_wb, 0, false); 279919a81c14SSteve Longerbeam v4l2_ctrl_auto_cluster(2, &ctrls->auto_gain, 0, true); 280019a81c14SSteve Longerbeam v4l2_ctrl_auto_cluster(2, &ctrls->auto_exp, 1, true); 280119a81c14SSteve Longerbeam 280219a81c14SSteve Longerbeam sensor->sd.ctrl_handler = hdl; 280319a81c14SSteve Longerbeam return 0; 280419a81c14SSteve Longerbeam 280519a81c14SSteve Longerbeam free_ctrls: 280619a81c14SSteve Longerbeam v4l2_ctrl_handler_free(hdl); 280719a81c14SSteve Longerbeam return ret; 280819a81c14SSteve Longerbeam } 280919a81c14SSteve Longerbeam 281019a81c14SSteve Longerbeam static int ov5640_enum_frame_size(struct v4l2_subdev *sd, 281119a81c14SSteve Longerbeam struct v4l2_subdev_pad_config *cfg, 281219a81c14SSteve Longerbeam struct v4l2_subdev_frame_size_enum *fse) 281319a81c14SSteve Longerbeam { 281419a81c14SSteve Longerbeam if (fse->pad != 0) 281519a81c14SSteve Longerbeam return -EINVAL; 281619a81c14SSteve Longerbeam if (fse->index >= OV5640_NUM_MODES) 281719a81c14SSteve Longerbeam return -EINVAL; 281819a81c14SSteve Longerbeam 281941d8d7f5SHugues Fruchet fse->min_width = 2820086c25f8SMaxime Ripard ov5640_mode_data[fse->index].hact; 282141d8d7f5SHugues Fruchet fse->max_width = fse->min_width; 282241d8d7f5SHugues Fruchet fse->min_height = 2823086c25f8SMaxime Ripard ov5640_mode_data[fse->index].vact; 282441d8d7f5SHugues Fruchet fse->max_height = fse->min_height; 282519a81c14SSteve Longerbeam 282619a81c14SSteve Longerbeam return 0; 282719a81c14SSteve Longerbeam } 282819a81c14SSteve Longerbeam 282919a81c14SSteve Longerbeam static int ov5640_enum_frame_interval( 283019a81c14SSteve Longerbeam struct v4l2_subdev *sd, 283119a81c14SSteve Longerbeam struct v4l2_subdev_pad_config *cfg, 283219a81c14SSteve Longerbeam struct v4l2_subdev_frame_interval_enum *fie) 283319a81c14SSteve Longerbeam { 283419a81c14SSteve Longerbeam struct ov5640_dev *sensor = to_ov5640_dev(sd); 283519a81c14SSteve Longerbeam struct v4l2_fract tpf; 283619a81c14SSteve Longerbeam int ret; 283719a81c14SSteve Longerbeam 283819a81c14SSteve Longerbeam if (fie->pad != 0) 283919a81c14SSteve Longerbeam return -EINVAL; 284019a81c14SSteve Longerbeam if (fie->index >= OV5640_NUM_FRAMERATES) 284119a81c14SSteve Longerbeam return -EINVAL; 284219a81c14SSteve Longerbeam 284319a81c14SSteve Longerbeam tpf.numerator = 1; 284419a81c14SSteve Longerbeam tpf.denominator = ov5640_framerates[fie->index]; 284519a81c14SSteve Longerbeam 284619a81c14SSteve Longerbeam ret = ov5640_try_frame_interval(sensor, &tpf, 284719a81c14SSteve Longerbeam fie->width, fie->height); 284819a81c14SSteve Longerbeam if (ret < 0) 284919a81c14SSteve Longerbeam return -EINVAL; 285019a81c14SSteve Longerbeam 285119a81c14SSteve Longerbeam fie->interval = tpf; 285219a81c14SSteve Longerbeam return 0; 285319a81c14SSteve Longerbeam } 285419a81c14SSteve Longerbeam 285519a81c14SSteve Longerbeam static int ov5640_g_frame_interval(struct v4l2_subdev *sd, 285619a81c14SSteve Longerbeam struct v4l2_subdev_frame_interval *fi) 285719a81c14SSteve Longerbeam { 285819a81c14SSteve Longerbeam struct ov5640_dev *sensor = to_ov5640_dev(sd); 285919a81c14SSteve Longerbeam 286019a81c14SSteve Longerbeam mutex_lock(&sensor->lock); 286119a81c14SSteve Longerbeam fi->interval = sensor->frame_interval; 286219a81c14SSteve Longerbeam mutex_unlock(&sensor->lock); 286319a81c14SSteve Longerbeam 286419a81c14SSteve Longerbeam return 0; 286519a81c14SSteve Longerbeam } 286619a81c14SSteve Longerbeam 286719a81c14SSteve Longerbeam static int ov5640_s_frame_interval(struct v4l2_subdev *sd, 286819a81c14SSteve Longerbeam struct v4l2_subdev_frame_interval *fi) 286919a81c14SSteve Longerbeam { 287019a81c14SSteve Longerbeam struct ov5640_dev *sensor = to_ov5640_dev(sd); 287119a81c14SSteve Longerbeam const struct ov5640_mode_info *mode; 287219a81c14SSteve Longerbeam int frame_rate, ret = 0; 287319a81c14SSteve Longerbeam 287419a81c14SSteve Longerbeam if (fi->pad != 0) 287519a81c14SSteve Longerbeam return -EINVAL; 287619a81c14SSteve Longerbeam 287719a81c14SSteve Longerbeam mutex_lock(&sensor->lock); 287819a81c14SSteve Longerbeam 287919a81c14SSteve Longerbeam if (sensor->streaming) { 288019a81c14SSteve Longerbeam ret = -EBUSY; 288119a81c14SSteve Longerbeam goto out; 288219a81c14SSteve Longerbeam } 288319a81c14SSteve Longerbeam 288419a81c14SSteve Longerbeam mode = sensor->current_mode; 288519a81c14SSteve Longerbeam 288619a81c14SSteve Longerbeam frame_rate = ov5640_try_frame_interval(sensor, &fi->interval, 2887dba13a0bSMaxime Ripard mode->hact, mode->vact); 2888e823fb16SMaxime Ripard if (frame_rate < 0) { 2889e823fb16SMaxime Ripard /* Always return a valid frame interval value */ 2890e823fb16SMaxime Ripard fi->interval = sensor->frame_interval; 2891e823fb16SMaxime Ripard goto out; 2892e823fb16SMaxime Ripard } 289319a81c14SSteve Longerbeam 28943c4a7372SHugues Fruchet mode = ov5640_find_mode(sensor, frame_rate, mode->hact, 2895dba13a0bSMaxime Ripard mode->vact, true); 28963c4a7372SHugues Fruchet if (!mode) { 28973c4a7372SHugues Fruchet ret = -EINVAL; 28983c4a7372SHugues Fruchet goto out; 28993c4a7372SHugues Fruchet } 29003c4a7372SHugues Fruchet 29010929983eSHugues Fruchet if (mode != sensor->current_mode || 29020929983eSHugues Fruchet frame_rate != sensor->current_fr) { 29030929983eSHugues Fruchet sensor->current_fr = frame_rate; 29040929983eSHugues Fruchet sensor->frame_interval = fi->interval; 29053c4a7372SHugues Fruchet sensor->current_mode = mode; 290619a81c14SSteve Longerbeam sensor->pending_mode_change = true; 2907cc196e48SBenoit Parrot 2908cc196e48SBenoit Parrot __v4l2_ctrl_s_ctrl_int64(sensor->ctrls.pixel_rate, 2909cc196e48SBenoit Parrot ov5640_calc_pixel_rate(sensor)); 29106949d864SHugues Fruchet } 291119a81c14SSteve Longerbeam out: 291219a81c14SSteve Longerbeam mutex_unlock(&sensor->lock); 291319a81c14SSteve Longerbeam return ret; 291419a81c14SSteve Longerbeam } 291519a81c14SSteve Longerbeam 291619a81c14SSteve Longerbeam static int ov5640_enum_mbus_code(struct v4l2_subdev *sd, 291719a81c14SSteve Longerbeam struct v4l2_subdev_pad_config *cfg, 291819a81c14SSteve Longerbeam struct v4l2_subdev_mbus_code_enum *code) 291919a81c14SSteve Longerbeam { 292019a81c14SSteve Longerbeam if (code->pad != 0) 292119a81c14SSteve Longerbeam return -EINVAL; 2922e3ee691dSHugues Fruchet if (code->index >= ARRAY_SIZE(ov5640_formats)) 292319a81c14SSteve Longerbeam return -EINVAL; 292419a81c14SSteve Longerbeam 2925e3ee691dSHugues Fruchet code->code = ov5640_formats[code->index].code; 292619a81c14SSteve Longerbeam return 0; 292719a81c14SSteve Longerbeam } 292819a81c14SSteve Longerbeam 292919a81c14SSteve Longerbeam static int ov5640_s_stream(struct v4l2_subdev *sd, int enable) 293019a81c14SSteve Longerbeam { 293119a81c14SSteve Longerbeam struct ov5640_dev *sensor = to_ov5640_dev(sd); 293219a81c14SSteve Longerbeam int ret = 0; 293319a81c14SSteve Longerbeam 293419a81c14SSteve Longerbeam mutex_lock(&sensor->lock); 293519a81c14SSteve Longerbeam 293619a81c14SSteve Longerbeam if (sensor->streaming == !enable) { 293719a81c14SSteve Longerbeam if (enable && sensor->pending_mode_change) { 2938985cdcb0SHugues Fruchet ret = ov5640_set_mode(sensor); 293919a81c14SSteve Longerbeam if (ret) 294019a81c14SSteve Longerbeam goto out; 2941fb98e29fSHugues Fruchet } 2942e3ee691dSHugues Fruchet 2943fb98e29fSHugues Fruchet if (enable && sensor->pending_fmt_change) { 2944e3ee691dSHugues Fruchet ret = ov5640_set_framefmt(sensor, &sensor->fmt); 2945e3ee691dSHugues Fruchet if (ret) 2946e3ee691dSHugues Fruchet goto out; 2947fb98e29fSHugues Fruchet sensor->pending_fmt_change = false; 294819a81c14SSteve Longerbeam } 294919a81c14SSteve Longerbeam 29502d95e7edSSakari Ailus if (sensor->ep.bus_type == V4L2_MBUS_CSI2_DPHY) 2951f22996dbSHugues Fruchet ret = ov5640_set_stream_mipi(sensor, enable); 29524039b037SLad Prabhakar else if (sensor->ep.bus_type == V4L2_MBUS_BT656) 29534039b037SLad Prabhakar ret = ov5640_set_stream_bt656(sensor, enable); 2954f22996dbSHugues Fruchet else 2955f22996dbSHugues Fruchet ret = ov5640_set_stream_dvp(sensor, enable); 2956f22996dbSHugues Fruchet 295719a81c14SSteve Longerbeam if (!ret) 295819a81c14SSteve Longerbeam sensor->streaming = enable; 295919a81c14SSteve Longerbeam } 296019a81c14SSteve Longerbeam out: 296119a81c14SSteve Longerbeam mutex_unlock(&sensor->lock); 296219a81c14SSteve Longerbeam return ret; 296319a81c14SSteve Longerbeam } 296419a81c14SSteve Longerbeam 296519a81c14SSteve Longerbeam static const struct v4l2_subdev_core_ops ov5640_core_ops = { 296619a81c14SSteve Longerbeam .s_power = ov5640_s_power, 29672d18fbc5SAkinobu Mita .log_status = v4l2_ctrl_subdev_log_status, 29682d18fbc5SAkinobu Mita .subscribe_event = v4l2_ctrl_subdev_subscribe_event, 29692d18fbc5SAkinobu Mita .unsubscribe_event = v4l2_event_subdev_unsubscribe, 297019a81c14SSteve Longerbeam }; 297119a81c14SSteve Longerbeam 297219a81c14SSteve Longerbeam static const struct v4l2_subdev_video_ops ov5640_video_ops = { 297319a81c14SSteve Longerbeam .g_frame_interval = ov5640_g_frame_interval, 297419a81c14SSteve Longerbeam .s_frame_interval = ov5640_s_frame_interval, 297519a81c14SSteve Longerbeam .s_stream = ov5640_s_stream, 297619a81c14SSteve Longerbeam }; 297719a81c14SSteve Longerbeam 297819a81c14SSteve Longerbeam static const struct v4l2_subdev_pad_ops ov5640_pad_ops = { 297919a81c14SSteve Longerbeam .enum_mbus_code = ov5640_enum_mbus_code, 298019a81c14SSteve Longerbeam .get_fmt = ov5640_get_fmt, 298119a81c14SSteve Longerbeam .set_fmt = ov5640_set_fmt, 298219a81c14SSteve Longerbeam .enum_frame_size = ov5640_enum_frame_size, 298319a81c14SSteve Longerbeam .enum_frame_interval = ov5640_enum_frame_interval, 298419a81c14SSteve Longerbeam }; 298519a81c14SSteve Longerbeam 298619a81c14SSteve Longerbeam static const struct v4l2_subdev_ops ov5640_subdev_ops = { 298719a81c14SSteve Longerbeam .core = &ov5640_core_ops, 298819a81c14SSteve Longerbeam .video = &ov5640_video_ops, 298919a81c14SSteve Longerbeam .pad = &ov5640_pad_ops, 299019a81c14SSteve Longerbeam }; 299119a81c14SSteve Longerbeam 299219a81c14SSteve Longerbeam static int ov5640_get_regulators(struct ov5640_dev *sensor) 299319a81c14SSteve Longerbeam { 299419a81c14SSteve Longerbeam int i; 299519a81c14SSteve Longerbeam 299619a81c14SSteve Longerbeam for (i = 0; i < OV5640_NUM_SUPPLIES; i++) 299719a81c14SSteve Longerbeam sensor->supplies[i].supply = ov5640_supply_name[i]; 299819a81c14SSteve Longerbeam 299919a81c14SSteve Longerbeam return devm_regulator_bulk_get(&sensor->i2c_client->dev, 300019a81c14SSteve Longerbeam OV5640_NUM_SUPPLIES, 300119a81c14SSteve Longerbeam sensor->supplies); 300219a81c14SSteve Longerbeam } 300319a81c14SSteve Longerbeam 30040f7acb52SHugues Fruchet static int ov5640_check_chip_id(struct ov5640_dev *sensor) 30050f7acb52SHugues Fruchet { 30060f7acb52SHugues Fruchet struct i2c_client *client = sensor->i2c_client; 30070f7acb52SHugues Fruchet int ret = 0; 30080f7acb52SHugues Fruchet u16 chip_id; 30090f7acb52SHugues Fruchet 30100f7acb52SHugues Fruchet ret = ov5640_set_power_on(sensor); 30110f7acb52SHugues Fruchet if (ret) 30120f7acb52SHugues Fruchet return ret; 30130f7acb52SHugues Fruchet 30140f7acb52SHugues Fruchet ret = ov5640_read_reg16(sensor, OV5640_REG_CHIP_ID, &chip_id); 30150f7acb52SHugues Fruchet if (ret) { 30160f7acb52SHugues Fruchet dev_err(&client->dev, "%s: failed to read chip identifier\n", 30170f7acb52SHugues Fruchet __func__); 30180f7acb52SHugues Fruchet goto power_off; 30190f7acb52SHugues Fruchet } 30200f7acb52SHugues Fruchet 30210f7acb52SHugues Fruchet if (chip_id != 0x5640) { 30220f7acb52SHugues Fruchet dev_err(&client->dev, "%s: wrong chip identifier, expected 0x5640, got 0x%x\n", 30230f7acb52SHugues Fruchet __func__, chip_id); 30240f7acb52SHugues Fruchet ret = -ENXIO; 30250f7acb52SHugues Fruchet } 30260f7acb52SHugues Fruchet 30270f7acb52SHugues Fruchet power_off: 30280f7acb52SHugues Fruchet ov5640_set_power_off(sensor); 30290f7acb52SHugues Fruchet return ret; 30300f7acb52SHugues Fruchet } 30310f7acb52SHugues Fruchet 3032e6714993SKieran Bingham static int ov5640_probe(struct i2c_client *client) 303319a81c14SSteve Longerbeam { 303419a81c14SSteve Longerbeam struct device *dev = &client->dev; 303519a81c14SSteve Longerbeam struct fwnode_handle *endpoint; 303619a81c14SSteve Longerbeam struct ov5640_dev *sensor; 3037e6441fdeSHugues Fruchet struct v4l2_mbus_framefmt *fmt; 3038c3f3ba3eSHugues Fruchet u32 rotation; 303919a81c14SSteve Longerbeam int ret; 304019a81c14SSteve Longerbeam 304119a81c14SSteve Longerbeam sensor = devm_kzalloc(dev, sizeof(*sensor), GFP_KERNEL); 304219a81c14SSteve Longerbeam if (!sensor) 304319a81c14SSteve Longerbeam return -ENOMEM; 304419a81c14SSteve Longerbeam 304519a81c14SSteve Longerbeam sensor->i2c_client = client; 3046fb98e29fSHugues Fruchet 3047fb98e29fSHugues Fruchet /* 3048fb98e29fSHugues Fruchet * default init sequence initialize sensor to 3049fb98e29fSHugues Fruchet * YUV422 UYVY VGA@30fps 3050fb98e29fSHugues Fruchet */ 3051e6441fdeSHugues Fruchet fmt = &sensor->fmt; 3052fb98e29fSHugues Fruchet fmt->code = MEDIA_BUS_FMT_UYVY8_2X8; 3053fb98e29fSHugues Fruchet fmt->colorspace = V4L2_COLORSPACE_SRGB; 3054e6441fdeSHugues Fruchet fmt->ycbcr_enc = V4L2_MAP_YCBCR_ENC_DEFAULT(fmt->colorspace); 3055e6441fdeSHugues Fruchet fmt->quantization = V4L2_QUANTIZATION_FULL_RANGE; 3056e6441fdeSHugues Fruchet fmt->xfer_func = V4L2_MAP_XFER_FUNC_DEFAULT(fmt->colorspace); 3057e6441fdeSHugues Fruchet fmt->width = 640; 3058e6441fdeSHugues Fruchet fmt->height = 480; 3059e6441fdeSHugues Fruchet fmt->field = V4L2_FIELD_NONE; 306019a81c14SSteve Longerbeam sensor->frame_interval.numerator = 1; 306119a81c14SSteve Longerbeam sensor->frame_interval.denominator = ov5640_framerates[OV5640_30_FPS]; 306219a81c14SSteve Longerbeam sensor->current_fr = OV5640_30_FPS; 306319a81c14SSteve Longerbeam sensor->current_mode = 3064086c25f8SMaxime Ripard &ov5640_mode_data[OV5640_MODE_VGA_640_480]; 3065985cdcb0SHugues Fruchet sensor->last_mode = sensor->current_mode; 306619a81c14SSteve Longerbeam 306719a81c14SSteve Longerbeam sensor->ae_target = 52; 306819a81c14SSteve Longerbeam 3069c3f3ba3eSHugues Fruchet /* optional indication of physical rotation of sensor */ 3070c3f3ba3eSHugues Fruchet ret = fwnode_property_read_u32(dev_fwnode(&client->dev), "rotation", 3071c3f3ba3eSHugues Fruchet &rotation); 3072c3f3ba3eSHugues Fruchet if (!ret) { 3073c3f3ba3eSHugues Fruchet switch (rotation) { 3074c3f3ba3eSHugues Fruchet case 180: 3075c3f3ba3eSHugues Fruchet sensor->upside_down = true; 30761771e9fbSGustavo A. R. Silva fallthrough; 3077c3f3ba3eSHugues Fruchet case 0: 3078c3f3ba3eSHugues Fruchet break; 3079c3f3ba3eSHugues Fruchet default: 3080c3f3ba3eSHugues Fruchet dev_warn(dev, "%u degrees rotation is not supported, ignoring...\n", 3081c3f3ba3eSHugues Fruchet rotation); 3082c3f3ba3eSHugues Fruchet } 3083c3f3ba3eSHugues Fruchet } 3084c3f3ba3eSHugues Fruchet 3085ce96bcf5SSakari Ailus endpoint = fwnode_graph_get_next_endpoint(dev_fwnode(&client->dev), 3086ce96bcf5SSakari Ailus NULL); 308719a81c14SSteve Longerbeam if (!endpoint) { 308819a81c14SSteve Longerbeam dev_err(dev, "endpoint node not found\n"); 308919a81c14SSteve Longerbeam return -EINVAL; 309019a81c14SSteve Longerbeam } 309119a81c14SSteve Longerbeam 309219a81c14SSteve Longerbeam ret = v4l2_fwnode_endpoint_parse(endpoint, &sensor->ep); 309319a81c14SSteve Longerbeam fwnode_handle_put(endpoint); 309419a81c14SSteve Longerbeam if (ret) { 309519a81c14SSteve Longerbeam dev_err(dev, "Could not parse endpoint\n"); 309619a81c14SSteve Longerbeam return ret; 309719a81c14SSteve Longerbeam } 309819a81c14SSteve Longerbeam 30992c61e48dSLad Prabhakar if (sensor->ep.bus_type != V4L2_MBUS_PARALLEL && 31002c61e48dSLad Prabhakar sensor->ep.bus_type != V4L2_MBUS_CSI2_DPHY && 31012c61e48dSLad Prabhakar sensor->ep.bus_type != V4L2_MBUS_BT656) { 31022c61e48dSLad Prabhakar dev_err(dev, "Unsupported bus type %d\n", sensor->ep.bus_type); 31032c61e48dSLad Prabhakar return -EINVAL; 31042c61e48dSLad Prabhakar } 31052c61e48dSLad Prabhakar 310619a81c14SSteve Longerbeam /* get system clock (xclk) */ 310719a81c14SSteve Longerbeam sensor->xclk = devm_clk_get(dev, "xclk"); 310819a81c14SSteve Longerbeam if (IS_ERR(sensor->xclk)) { 310919a81c14SSteve Longerbeam dev_err(dev, "failed to get xclk\n"); 311019a81c14SSteve Longerbeam return PTR_ERR(sensor->xclk); 311119a81c14SSteve Longerbeam } 311219a81c14SSteve Longerbeam 311319a81c14SSteve Longerbeam sensor->xclk_freq = clk_get_rate(sensor->xclk); 311419a81c14SSteve Longerbeam if (sensor->xclk_freq < OV5640_XCLK_MIN || 311519a81c14SSteve Longerbeam sensor->xclk_freq > OV5640_XCLK_MAX) { 311619a81c14SSteve Longerbeam dev_err(dev, "xclk frequency out of range: %d Hz\n", 311719a81c14SSteve Longerbeam sensor->xclk_freq); 311819a81c14SSteve Longerbeam return -EINVAL; 311919a81c14SSteve Longerbeam } 312019a81c14SSteve Longerbeam 312119a81c14SSteve Longerbeam /* request optional power down pin */ 312219a81c14SSteve Longerbeam sensor->pwdn_gpio = devm_gpiod_get_optional(dev, "powerdown", 312319a81c14SSteve Longerbeam GPIOD_OUT_HIGH); 31248791a102SFabio Estevam if (IS_ERR(sensor->pwdn_gpio)) 31258791a102SFabio Estevam return PTR_ERR(sensor->pwdn_gpio); 31268791a102SFabio Estevam 312719a81c14SSteve Longerbeam /* request optional reset pin */ 312819a81c14SSteve Longerbeam sensor->reset_gpio = devm_gpiod_get_optional(dev, "reset", 312919a81c14SSteve Longerbeam GPIOD_OUT_HIGH); 31308791a102SFabio Estevam if (IS_ERR(sensor->reset_gpio)) 31318791a102SFabio Estevam return PTR_ERR(sensor->reset_gpio); 313219a81c14SSteve Longerbeam 313319a81c14SSteve Longerbeam v4l2_i2c_subdev_init(&sensor->sd, client, &ov5640_subdev_ops); 313419a81c14SSteve Longerbeam 31352d18fbc5SAkinobu Mita sensor->sd.flags |= V4L2_SUBDEV_FL_HAS_DEVNODE | 31362d18fbc5SAkinobu Mita V4L2_SUBDEV_FL_HAS_EVENTS; 313719a81c14SSteve Longerbeam sensor->pad.flags = MEDIA_PAD_FL_SOURCE; 313819a81c14SSteve Longerbeam sensor->sd.entity.function = MEDIA_ENT_F_CAM_SENSOR; 313919a81c14SSteve Longerbeam ret = media_entity_pads_init(&sensor->sd.entity, 1, &sensor->pad); 314019a81c14SSteve Longerbeam if (ret) 314119a81c14SSteve Longerbeam return ret; 314219a81c14SSteve Longerbeam 314319a81c14SSteve Longerbeam ret = ov5640_get_regulators(sensor); 314419a81c14SSteve Longerbeam if (ret) 314519a81c14SSteve Longerbeam return ret; 314619a81c14SSteve Longerbeam 314719a81c14SSteve Longerbeam mutex_init(&sensor->lock); 314819a81c14SSteve Longerbeam 31490f7acb52SHugues Fruchet ret = ov5640_check_chip_id(sensor); 31500f7acb52SHugues Fruchet if (ret) 31510f7acb52SHugues Fruchet goto entity_cleanup; 31520f7acb52SHugues Fruchet 315319a81c14SSteve Longerbeam ret = ov5640_init_controls(sensor); 315419a81c14SSteve Longerbeam if (ret) 315519a81c14SSteve Longerbeam goto entity_cleanup; 315619a81c14SSteve Longerbeam 31572f1fc5efSLuca Weiss ret = v4l2_async_register_subdev_sensor_common(&sensor->sd); 315819a81c14SSteve Longerbeam if (ret) 315919a81c14SSteve Longerbeam goto free_ctrls; 316019a81c14SSteve Longerbeam 316119a81c14SSteve Longerbeam return 0; 316219a81c14SSteve Longerbeam 316319a81c14SSteve Longerbeam free_ctrls: 316419a81c14SSteve Longerbeam v4l2_ctrl_handler_free(&sensor->ctrls.handler); 316519a81c14SSteve Longerbeam entity_cleanup: 316619a81c14SSteve Longerbeam media_entity_cleanup(&sensor->sd.entity); 3167bfcba38dSTomi Valkeinen mutex_destroy(&sensor->lock); 316819a81c14SSteve Longerbeam return ret; 316919a81c14SSteve Longerbeam } 317019a81c14SSteve Longerbeam 317119a81c14SSteve Longerbeam static int ov5640_remove(struct i2c_client *client) 317219a81c14SSteve Longerbeam { 317319a81c14SSteve Longerbeam struct v4l2_subdev *sd = i2c_get_clientdata(client); 317419a81c14SSteve Longerbeam struct ov5640_dev *sensor = to_ov5640_dev(sd); 317519a81c14SSteve Longerbeam 317619a81c14SSteve Longerbeam v4l2_async_unregister_subdev(&sensor->sd); 317719a81c14SSteve Longerbeam media_entity_cleanup(&sensor->sd.entity); 317819a81c14SSteve Longerbeam v4l2_ctrl_handler_free(&sensor->ctrls.handler); 3179bfcba38dSTomi Valkeinen mutex_destroy(&sensor->lock); 318019a81c14SSteve Longerbeam 318119a81c14SSteve Longerbeam return 0; 318219a81c14SSteve Longerbeam } 318319a81c14SSteve Longerbeam 318419a81c14SSteve Longerbeam static const struct i2c_device_id ov5640_id[] = { 318519a81c14SSteve Longerbeam {"ov5640", 0}, 318619a81c14SSteve Longerbeam {}, 318719a81c14SSteve Longerbeam }; 318819a81c14SSteve Longerbeam MODULE_DEVICE_TABLE(i2c, ov5640_id); 318919a81c14SSteve Longerbeam 319019a81c14SSteve Longerbeam static const struct of_device_id ov5640_dt_ids[] = { 319119a81c14SSteve Longerbeam { .compatible = "ovti,ov5640" }, 319219a81c14SSteve Longerbeam { /* sentinel */ } 319319a81c14SSteve Longerbeam }; 319419a81c14SSteve Longerbeam MODULE_DEVICE_TABLE(of, ov5640_dt_ids); 319519a81c14SSteve Longerbeam 319619a81c14SSteve Longerbeam static struct i2c_driver ov5640_i2c_driver = { 319719a81c14SSteve Longerbeam .driver = { 319819a81c14SSteve Longerbeam .name = "ov5640", 319919a81c14SSteve Longerbeam .of_match_table = ov5640_dt_ids, 320019a81c14SSteve Longerbeam }, 320119a81c14SSteve Longerbeam .id_table = ov5640_id, 3202e6714993SKieran Bingham .probe_new = ov5640_probe, 320319a81c14SSteve Longerbeam .remove = ov5640_remove, 320419a81c14SSteve Longerbeam }; 320519a81c14SSteve Longerbeam 320619a81c14SSteve Longerbeam module_i2c_driver(ov5640_i2c_driver); 320719a81c14SSteve Longerbeam 320819a81c14SSteve Longerbeam MODULE_DESCRIPTION("OV5640 MIPI Camera Subdev Driver"); 320919a81c14SSteve Longerbeam MODULE_LICENSE("GPL"); 3210