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 325113d5b3SJacopo Mondi #define OV5640_NATIVE_WIDTH 2624 335113d5b3SJacopo Mondi #define OV5640_NATIVE_HEIGHT 1964 345113d5b3SJacopo Mondi #define OV5640_PIXEL_ARRAY_TOP 14 355113d5b3SJacopo Mondi #define OV5640_PIXEL_ARRAY_LEFT 16 365113d5b3SJacopo Mondi #define OV5640_PIXEL_ARRAY_WIDTH 2592 375113d5b3SJacopo Mondi #define OV5640_PIXEL_ARRAY_HEIGHT 1944 385113d5b3SJacopo Mondi 39bce93b82SJacopo Mondi /* FIXME: not documented. */ 40bce93b82SJacopo Mondi #define OV5640_MIN_VBLANK 24 41bce93b82SJacopo Mondi #define OV5640_MAX_VTS 3375 42bce93b82SJacopo Mondi 4319a81c14SSteve Longerbeam #define OV5640_DEFAULT_SLAVE_ID 0x3c 4419a81c14SSteve Longerbeam 453c28588fSJacopo Mondi #define OV5640_LINK_RATE_MAX 490000000U 463c28588fSJacopo Mondi 47d47c4126SHugues Fruchet #define OV5640_REG_SYS_RESET02 0x3002 48d47c4126SHugues Fruchet #define OV5640_REG_SYS_CLOCK_ENABLE02 0x3006 49f22996dbSHugues Fruchet #define OV5640_REG_SYS_CTRL0 0x3008 503b987d70SLad Prabhakar #define OV5640_REG_SYS_CTRL0_SW_PWDN 0x42 513b987d70SLad Prabhakar #define OV5640_REG_SYS_CTRL0_SW_PWUP 0x02 5219a81c14SSteve Longerbeam #define OV5640_REG_CHIP_ID 0x300a 53f22996dbSHugues Fruchet #define OV5640_REG_IO_MIPI_CTRL00 0x300e 54f22996dbSHugues Fruchet #define OV5640_REG_PAD_OUTPUT_ENABLE01 0x3017 55f22996dbSHugues Fruchet #define OV5640_REG_PAD_OUTPUT_ENABLE02 0x3018 5619a81c14SSteve Longerbeam #define OV5640_REG_PAD_OUTPUT00 0x3019 57f22996dbSHugues Fruchet #define OV5640_REG_SYSTEM_CONTROL1 0x302e 5819a81c14SSteve Longerbeam #define OV5640_REG_SC_PLL_CTRL0 0x3034 5919a81c14SSteve Longerbeam #define OV5640_REG_SC_PLL_CTRL1 0x3035 6019a81c14SSteve Longerbeam #define OV5640_REG_SC_PLL_CTRL2 0x3036 6119a81c14SSteve Longerbeam #define OV5640_REG_SC_PLL_CTRL3 0x3037 6219a81c14SSteve Longerbeam #define OV5640_REG_SLAVE_ID 0x3100 63f22996dbSHugues Fruchet #define OV5640_REG_SCCB_SYS_CTRL1 0x3103 6419a81c14SSteve Longerbeam #define OV5640_REG_SYS_ROOT_DIVIDER 0x3108 6519a81c14SSteve Longerbeam #define OV5640_REG_AWB_R_GAIN 0x3400 6619a81c14SSteve Longerbeam #define OV5640_REG_AWB_G_GAIN 0x3402 6719a81c14SSteve Longerbeam #define OV5640_REG_AWB_B_GAIN 0x3404 6819a81c14SSteve Longerbeam #define OV5640_REG_AWB_MANUAL_CTRL 0x3406 6919a81c14SSteve Longerbeam #define OV5640_REG_AEC_PK_EXPOSURE_HI 0x3500 7019a81c14SSteve Longerbeam #define OV5640_REG_AEC_PK_EXPOSURE_MED 0x3501 7119a81c14SSteve Longerbeam #define OV5640_REG_AEC_PK_EXPOSURE_LO 0x3502 7219a81c14SSteve Longerbeam #define OV5640_REG_AEC_PK_MANUAL 0x3503 7319a81c14SSteve Longerbeam #define OV5640_REG_AEC_PK_REAL_GAIN 0x350a 7419a81c14SSteve Longerbeam #define OV5640_REG_AEC_PK_VTS 0x350c 753145efcdSJacopo Mondi #define OV5640_REG_TIMING_HS 0x3800 763145efcdSJacopo Mondi #define OV5640_REG_TIMING_VS 0x3802 773145efcdSJacopo Mondi #define OV5640_REG_TIMING_HW 0x3804 783145efcdSJacopo Mondi #define OV5640_REG_TIMING_VH 0x3806 7986633417SMaxime Ripard #define OV5640_REG_TIMING_DVPHO 0x3808 8086633417SMaxime Ripard #define OV5640_REG_TIMING_DVPVO 0x380a 8119a81c14SSteve Longerbeam #define OV5640_REG_TIMING_HTS 0x380c 8219a81c14SSteve Longerbeam #define OV5640_REG_TIMING_VTS 0x380e 833145efcdSJacopo Mondi #define OV5640_REG_TIMING_HOFFS 0x3810 843145efcdSJacopo Mondi #define OV5640_REG_TIMING_VOFFS 0x3812 85ce85705aSHugues Fruchet #define OV5640_REG_TIMING_TC_REG20 0x3820 8619a81c14SSteve Longerbeam #define OV5640_REG_TIMING_TC_REG21 0x3821 8719a81c14SSteve Longerbeam #define OV5640_REG_AEC_CTRL00 0x3a00 8819a81c14SSteve Longerbeam #define OV5640_REG_AEC_B50_STEP 0x3a08 8919a81c14SSteve Longerbeam #define OV5640_REG_AEC_B60_STEP 0x3a0a 9019a81c14SSteve Longerbeam #define OV5640_REG_AEC_CTRL0D 0x3a0d 9119a81c14SSteve Longerbeam #define OV5640_REG_AEC_CTRL0E 0x3a0e 9219a81c14SSteve Longerbeam #define OV5640_REG_AEC_CTRL0F 0x3a0f 9319a81c14SSteve Longerbeam #define OV5640_REG_AEC_CTRL10 0x3a10 9419a81c14SSteve Longerbeam #define OV5640_REG_AEC_CTRL11 0x3a11 9519a81c14SSteve Longerbeam #define OV5640_REG_AEC_CTRL1B 0x3a1b 9619a81c14SSteve Longerbeam #define OV5640_REG_AEC_CTRL1E 0x3a1e 9719a81c14SSteve Longerbeam #define OV5640_REG_AEC_CTRL1F 0x3a1f 9819a81c14SSteve Longerbeam #define OV5640_REG_HZ5060_CTRL00 0x3c00 9919a81c14SSteve Longerbeam #define OV5640_REG_HZ5060_CTRL01 0x3c01 10019a81c14SSteve Longerbeam #define OV5640_REG_SIGMADELTA_CTRL0C 0x3c0c 10119a81c14SSteve Longerbeam #define OV5640_REG_FRAME_CTRL01 0x4202 102e3ee691dSHugues Fruchet #define OV5640_REG_FORMAT_CONTROL00 0x4300 1037cb013b1SChen-Yu Tsai #define OV5640_REG_VFIFO_HSIZE 0x4602 1047cb013b1SChen-Yu Tsai #define OV5640_REG_VFIFO_VSIZE 0x4604 1052b5c18f9SChen-Yu Tsai #define OV5640_REG_JPG_MODE_SELECT 0x4713 1064039b037SLad Prabhakar #define OV5640_REG_CCIR656_CTRL00 0x4730 107f22996dbSHugues Fruchet #define OV5640_REG_POLARITY_CTRL00 0x4740 10819a81c14SSteve Longerbeam #define OV5640_REG_MIPI_CTRL00 0x4800 10919a81c14SSteve Longerbeam #define OV5640_REG_DEBUG_MODE 0x4814 1106c957ed7SJacopo Mondi #define OV5640_REG_PCLK_PERIOD 0x4837 111e3ee691dSHugues Fruchet #define OV5640_REG_ISP_FORMAT_MUX_CTRL 0x501f 11219a81c14SSteve Longerbeam #define OV5640_REG_PRE_ISP_TEST_SET1 0x503d 11319a81c14SSteve Longerbeam #define OV5640_REG_SDE_CTRL0 0x5580 11419a81c14SSteve Longerbeam #define OV5640_REG_SDE_CTRL1 0x5581 11519a81c14SSteve Longerbeam #define OV5640_REG_SDE_CTRL3 0x5583 11619a81c14SSteve Longerbeam #define OV5640_REG_SDE_CTRL4 0x5584 11719a81c14SSteve Longerbeam #define OV5640_REG_SDE_CTRL5 0x5585 11819a81c14SSteve Longerbeam #define OV5640_REG_AVG_READOUT 0x56a1 11919a81c14SSteve Longerbeam 12019a81c14SSteve Longerbeam enum ov5640_mode_id { 12132ea5e05SHugues Fruchet OV5640_MODE_QQVGA_160_120 = 0, 12232ea5e05SHugues Fruchet OV5640_MODE_QCIF_176_144, 12319a81c14SSteve Longerbeam OV5640_MODE_QVGA_320_240, 12419a81c14SSteve Longerbeam OV5640_MODE_VGA_640_480, 12519a81c14SSteve Longerbeam OV5640_MODE_NTSC_720_480, 12619a81c14SSteve Longerbeam OV5640_MODE_PAL_720_576, 12719a81c14SSteve Longerbeam OV5640_MODE_XGA_1024_768, 12819a81c14SSteve Longerbeam OV5640_MODE_720P_1280_720, 12919a81c14SSteve Longerbeam OV5640_MODE_1080P_1920_1080, 13019a81c14SSteve Longerbeam OV5640_MODE_QSXGA_2592_1944, 13119a81c14SSteve Longerbeam OV5640_NUM_MODES, 13219a81c14SSteve Longerbeam }; 13319a81c14SSteve Longerbeam 13419a81c14SSteve Longerbeam enum ov5640_frame_rate { 13519a81c14SSteve Longerbeam OV5640_15_FPS = 0, 13619a81c14SSteve Longerbeam OV5640_30_FPS, 137e823fb16SMaxime Ripard OV5640_60_FPS, 13819a81c14SSteve Longerbeam OV5640_NUM_FRAMERATES, 13919a81c14SSteve Longerbeam }; 14019a81c14SSteve Longerbeam 14122845bf2SJacopo Mondi enum ov5640_pixel_rate_id { 14222845bf2SJacopo Mondi OV5640_PIXEL_RATE_168M, 14322845bf2SJacopo Mondi OV5640_PIXEL_RATE_148M, 14422845bf2SJacopo Mondi OV5640_PIXEL_RATE_124M, 14522845bf2SJacopo Mondi OV5640_PIXEL_RATE_96M, 14622845bf2SJacopo Mondi OV5640_PIXEL_RATE_48M, 14722845bf2SJacopo Mondi OV5640_NUM_PIXEL_RATES, 14822845bf2SJacopo Mondi }; 14922845bf2SJacopo Mondi 15022845bf2SJacopo Mondi /* 15122845bf2SJacopo Mondi * The chip manual suggests 24/48/96/192 MHz pixel clocks. 15222845bf2SJacopo Mondi * 15322845bf2SJacopo Mondi * 192MHz exceeds the sysclk limits; use 168MHz as maximum pixel rate for 15422845bf2SJacopo Mondi * full resolution mode @15 FPS. 15522845bf2SJacopo Mondi */ 15622845bf2SJacopo Mondi static const u32 ov5640_pixel_rates[] = { 15722845bf2SJacopo Mondi [OV5640_PIXEL_RATE_168M] = 168000000, 15822845bf2SJacopo Mondi [OV5640_PIXEL_RATE_148M] = 148000000, 15922845bf2SJacopo Mondi [OV5640_PIXEL_RATE_124M] = 124000000, 16022845bf2SJacopo Mondi [OV5640_PIXEL_RATE_96M] = 96000000, 16122845bf2SJacopo Mondi [OV5640_PIXEL_RATE_48M] = 48000000, 16222845bf2SJacopo Mondi }; 16322845bf2SJacopo Mondi 1647a3b8d4bSJacopo Mondi /* 1657a3b8d4bSJacopo Mondi * MIPI CSI-2 link frequencies. 1667a3b8d4bSJacopo Mondi * 1677a3b8d4bSJacopo Mondi * Derived from the above defined pixel rate for bpp = (8, 16, 24) and 1687a3b8d4bSJacopo Mondi * data_lanes = (1, 2) 1697a3b8d4bSJacopo Mondi * 1707a3b8d4bSJacopo Mondi * link_freq = (pixel_rate * bpp) / (2 * data_lanes) 1717a3b8d4bSJacopo Mondi */ 1727a3b8d4bSJacopo Mondi static const s64 ov5640_csi2_link_freqs[] = { 1737a3b8d4bSJacopo Mondi 992000000, 888000000, 768000000, 744000000, 672000000, 672000000, 1747a3b8d4bSJacopo Mondi 592000000, 592000000, 576000000, 576000000, 496000000, 496000000, 1757a3b8d4bSJacopo Mondi 384000000, 384000000, 384000000, 336000000, 296000000, 288000000, 1767a3b8d4bSJacopo Mondi 248000000, 192000000, 192000000, 192000000, 96000000, 1777a3b8d4bSJacopo Mondi }; 1787a3b8d4bSJacopo Mondi 1797a3b8d4bSJacopo Mondi /* Link freq for default mode: UYVY 16 bpp, 2 data lanes. */ 1807a3b8d4bSJacopo Mondi #define OV5640_DEFAULT_LINK_FREQ 13 1817a3b8d4bSJacopo Mondi 182b7ed3abdSLoic Poulain enum ov5640_format_mux { 183b7ed3abdSLoic Poulain OV5640_FMT_MUX_YUV422 = 0, 184b7ed3abdSLoic Poulain OV5640_FMT_MUX_RGB, 185b7ed3abdSLoic Poulain OV5640_FMT_MUX_DITHER, 186b7ed3abdSLoic Poulain OV5640_FMT_MUX_RAW_DPC, 187b7ed3abdSLoic Poulain OV5640_FMT_MUX_SNR_RAW, 188b7ed3abdSLoic Poulain OV5640_FMT_MUX_RAW_CIP, 189b7ed3abdSLoic Poulain }; 190b7ed3abdSLoic Poulain 1912d7671f6SJacopo Mondi static const struct ov5640_pixfmt { 192e3ee691dSHugues Fruchet u32 code; 193e3ee691dSHugues Fruchet u32 colorspace; 1942d7671f6SJacopo Mondi u8 bpp; 1952d7671f6SJacopo Mondi } ov5640_formats[] = { 1962d7671f6SJacopo Mondi { 1972d7671f6SJacopo Mondi .code = MEDIA_BUS_FMT_JPEG_1X8, 1982d7671f6SJacopo Mondi .colorspace = V4L2_COLORSPACE_JPEG, 1992d7671f6SJacopo Mondi .bpp = 16, 2002d7671f6SJacopo Mondi }, { 2012d7671f6SJacopo Mondi .code = MEDIA_BUS_FMT_UYVY8_2X8, 2022d7671f6SJacopo Mondi .colorspace = V4L2_COLORSPACE_SRGB, 2032d7671f6SJacopo Mondi .bpp = 16, 2042d7671f6SJacopo Mondi }, { 2052d7671f6SJacopo Mondi .code = MEDIA_BUS_FMT_UYVY8_1X16, 2062d7671f6SJacopo Mondi .colorspace = V4L2_COLORSPACE_SRGB, 2072d7671f6SJacopo Mondi .bpp = 16, 2082d7671f6SJacopo Mondi }, { 2092d7671f6SJacopo Mondi .code = MEDIA_BUS_FMT_YUYV8_2X8, 2102d7671f6SJacopo Mondi .colorspace = V4L2_COLORSPACE_SRGB, 2112d7671f6SJacopo Mondi .bpp = 16, 2122d7671f6SJacopo Mondi }, { 2132d7671f6SJacopo Mondi .code = MEDIA_BUS_FMT_YUYV8_1X16, 2142d7671f6SJacopo Mondi .colorspace = V4L2_COLORSPACE_SRGB, 2152d7671f6SJacopo Mondi .bpp = 16, 2162d7671f6SJacopo Mondi }, { 2172d7671f6SJacopo Mondi .code = MEDIA_BUS_FMT_RGB565_2X8_LE, 2182d7671f6SJacopo Mondi .colorspace = V4L2_COLORSPACE_SRGB, 2192d7671f6SJacopo Mondi .bpp = 16, 2202d7671f6SJacopo Mondi }, { 2212d7671f6SJacopo Mondi .code = MEDIA_BUS_FMT_RGB565_2X8_BE, 2222d7671f6SJacopo Mondi .colorspace = V4L2_COLORSPACE_SRGB, 2232d7671f6SJacopo Mondi .bpp = 16, 2242d7671f6SJacopo Mondi }, { 2252d7671f6SJacopo Mondi .code = MEDIA_BUS_FMT_SBGGR8_1X8, 2262d7671f6SJacopo Mondi .colorspace = V4L2_COLORSPACE_SRGB, 2272d7671f6SJacopo Mondi .bpp = 8, 2282d7671f6SJacopo Mondi }, { 2292d7671f6SJacopo Mondi .code = MEDIA_BUS_FMT_SGBRG8_1X8, 2302d7671f6SJacopo Mondi .colorspace = V4L2_COLORSPACE_SRGB, 2312d7671f6SJacopo Mondi .bpp = 8 2322d7671f6SJacopo Mondi }, { 2332d7671f6SJacopo Mondi .code = MEDIA_BUS_FMT_SGRBG8_1X8, 2342d7671f6SJacopo Mondi .colorspace = V4L2_COLORSPACE_SRGB, 2352d7671f6SJacopo Mondi .bpp = 8, 2362d7671f6SJacopo Mondi }, { 2372d7671f6SJacopo Mondi .code = MEDIA_BUS_FMT_SRGGB8_1X8, 2382d7671f6SJacopo Mondi .colorspace = V4L2_COLORSPACE_SRGB, 2392d7671f6SJacopo Mondi .bpp = 8, 2402d7671f6SJacopo Mondi }, 241e3ee691dSHugues Fruchet }; 242e3ee691dSHugues Fruchet 2433c28588fSJacopo Mondi static u32 ov5640_code_to_bpp(u32 code) 2443c28588fSJacopo Mondi { 2453c28588fSJacopo Mondi unsigned int i; 2463c28588fSJacopo Mondi 2473c28588fSJacopo Mondi for (i = 0; i < ARRAY_SIZE(ov5640_formats); ++i) { 2483c28588fSJacopo Mondi if (ov5640_formats[i].code == code) 2493c28588fSJacopo Mondi return ov5640_formats[i].bpp; 2503c28588fSJacopo Mondi } 2513c28588fSJacopo Mondi 2523c28588fSJacopo Mondi return 0; 2533c28588fSJacopo Mondi } 2543c28588fSJacopo Mondi 25519a81c14SSteve Longerbeam /* 25619a81c14SSteve Longerbeam * FIXME: remove this when a subdev API becomes available 25719a81c14SSteve Longerbeam * to set the MIPI CSI-2 virtual channel. 25819a81c14SSteve Longerbeam */ 25919a81c14SSteve Longerbeam static unsigned int virtual_channel; 2608670d70aSHugues Fruchet module_param(virtual_channel, uint, 0444); 26119a81c14SSteve Longerbeam MODULE_PARM_DESC(virtual_channel, 26219a81c14SSteve Longerbeam "MIPI CSI-2 virtual channel (0..3), default 0"); 26319a81c14SSteve Longerbeam 26419a81c14SSteve Longerbeam static const int ov5640_framerates[] = { 26519a81c14SSteve Longerbeam [OV5640_15_FPS] = 15, 26619a81c14SSteve Longerbeam [OV5640_30_FPS] = 30, 267e823fb16SMaxime Ripard [OV5640_60_FPS] = 60, 26819a81c14SSteve Longerbeam }; 26919a81c14SSteve Longerbeam 27019a81c14SSteve Longerbeam /* regulator supplies */ 27119a81c14SSteve Longerbeam static const char * const ov5640_supply_name[] = { 27241d8d7f5SHugues Fruchet "DOVDD", /* Digital I/O (1.8V) supply */ 27319a81c14SSteve Longerbeam "AVDD", /* Analog (2.8V) supply */ 27424c8ac89SFabio Estevam "DVDD", /* Digital Core (1.5V) supply */ 27519a81c14SSteve Longerbeam }; 27619a81c14SSteve Longerbeam 27719a81c14SSteve Longerbeam #define OV5640_NUM_SUPPLIES ARRAY_SIZE(ov5640_supply_name) 27819a81c14SSteve Longerbeam 27919a81c14SSteve Longerbeam /* 28019a81c14SSteve Longerbeam * Image size under 1280 * 960 are SUBSAMPLING 28119a81c14SSteve Longerbeam * Image size upper 1280 * 960 are SCALING 28219a81c14SSteve Longerbeam */ 28319a81c14SSteve Longerbeam enum ov5640_downsize_mode { 28419a81c14SSteve Longerbeam SUBSAMPLING, 28519a81c14SSteve Longerbeam SCALING, 28619a81c14SSteve Longerbeam }; 28719a81c14SSteve Longerbeam 28819a81c14SSteve Longerbeam struct reg_value { 28919a81c14SSteve Longerbeam u16 reg_addr; 29019a81c14SSteve Longerbeam u8 val; 29119a81c14SSteve Longerbeam u8 mask; 29219a81c14SSteve Longerbeam u32 delay_ms; 29319a81c14SSteve Longerbeam }; 29419a81c14SSteve Longerbeam 2955113d5b3SJacopo Mondi struct ov5640_timings { 2963145efcdSJacopo Mondi /* Analog crop rectangle. */ 2973145efcdSJacopo Mondi struct v4l2_rect analog_crop; 2983145efcdSJacopo Mondi /* Visibile crop: from analog crop top-left corner. */ 2993145efcdSJacopo Mondi struct v4l2_rect crop; 3005113d5b3SJacopo Mondi /* Total pixels per line: width + fixed hblank. */ 301476dec01SMaxime Ripard u32 htot; 3025113d5b3SJacopo Mondi /* Default vertical blanking: frame height = height + vblank. */ 3033145efcdSJacopo Mondi u32 vblank_def; 3045113d5b3SJacopo Mondi }; 3055113d5b3SJacopo Mondi 3065113d5b3SJacopo Mondi struct ov5640_mode_info { 3075113d5b3SJacopo Mondi enum ov5640_mode_id id; 3085113d5b3SJacopo Mondi enum ov5640_downsize_mode dn_mode; 3095113d5b3SJacopo Mondi enum ov5640_pixel_rate_id pixel_rate; 3105113d5b3SJacopo Mondi 3115113d5b3SJacopo Mondi unsigned int width; 3125113d5b3SJacopo Mondi unsigned int height; 3135113d5b3SJacopo Mondi 3145113d5b3SJacopo Mondi struct ov5640_timings dvp_timings; 3155113d5b3SJacopo Mondi struct ov5640_timings csi2_timings; 3165113d5b3SJacopo Mondi 31719a81c14SSteve Longerbeam const struct reg_value *reg_data; 31819a81c14SSteve Longerbeam u32 reg_data_size; 3195113d5b3SJacopo Mondi 3205113d5b3SJacopo Mondi /* Used by s_frame_interval only. */ 3215554c80eSAdam Ford u32 max_fps; 32219f2e3e6SHugues Fruchet u32 def_fps; 32319a81c14SSteve Longerbeam }; 32419a81c14SSteve Longerbeam 32519a81c14SSteve Longerbeam struct ov5640_ctrls { 32619a81c14SSteve Longerbeam struct v4l2_ctrl_handler handler; 327cc196e48SBenoit Parrot struct v4l2_ctrl *pixel_rate; 3287a3b8d4bSJacopo Mondi struct v4l2_ctrl *link_freq; 32932979f67SJacopo Mondi struct v4l2_ctrl *hblank; 330bce93b82SJacopo Mondi struct v4l2_ctrl *vblank; 33119a81c14SSteve Longerbeam struct { 33219a81c14SSteve Longerbeam struct v4l2_ctrl *auto_exp; 33319a81c14SSteve Longerbeam struct v4l2_ctrl *exposure; 33419a81c14SSteve Longerbeam }; 33519a81c14SSteve Longerbeam struct { 33619a81c14SSteve Longerbeam struct v4l2_ctrl *auto_wb; 33719a81c14SSteve Longerbeam struct v4l2_ctrl *blue_balance; 33819a81c14SSteve Longerbeam struct v4l2_ctrl *red_balance; 33919a81c14SSteve Longerbeam }; 34019a81c14SSteve Longerbeam struct { 34119a81c14SSteve Longerbeam struct v4l2_ctrl *auto_gain; 34219a81c14SSteve Longerbeam struct v4l2_ctrl *gain; 34319a81c14SSteve Longerbeam }; 34419a81c14SSteve Longerbeam struct v4l2_ctrl *brightness; 3451068fecaSMylène Josserand struct v4l2_ctrl *light_freq; 34619a81c14SSteve Longerbeam struct v4l2_ctrl *saturation; 34719a81c14SSteve Longerbeam struct v4l2_ctrl *contrast; 34819a81c14SSteve Longerbeam struct v4l2_ctrl *hue; 34919a81c14SSteve Longerbeam struct v4l2_ctrl *test_pattern; 350ce85705aSHugues Fruchet struct v4l2_ctrl *hflip; 351ce85705aSHugues Fruchet struct v4l2_ctrl *vflip; 35219a81c14SSteve Longerbeam }; 35319a81c14SSteve Longerbeam 35419a81c14SSteve Longerbeam struct ov5640_dev { 35519a81c14SSteve Longerbeam struct i2c_client *i2c_client; 35619a81c14SSteve Longerbeam struct v4l2_subdev sd; 35719a81c14SSteve Longerbeam struct media_pad pad; 35819a81c14SSteve Longerbeam struct v4l2_fwnode_endpoint ep; /* the parsed DT endpoint info */ 35919a81c14SSteve Longerbeam struct clk *xclk; /* system clock to OV5640 */ 36019a81c14SSteve Longerbeam u32 xclk_freq; 36119a81c14SSteve Longerbeam 36219a81c14SSteve Longerbeam struct regulator_bulk_data supplies[OV5640_NUM_SUPPLIES]; 36319a81c14SSteve Longerbeam struct gpio_desc *reset_gpio; 36419a81c14SSteve Longerbeam struct gpio_desc *pwdn_gpio; 365c3f3ba3eSHugues Fruchet bool upside_down; 36619a81c14SSteve Longerbeam 36719a81c14SSteve Longerbeam /* lock to protect all members below */ 36819a81c14SSteve Longerbeam struct mutex lock; 36919a81c14SSteve Longerbeam 37019a81c14SSteve Longerbeam int power_count; 37119a81c14SSteve Longerbeam 37219a81c14SSteve Longerbeam struct v4l2_mbus_framefmt fmt; 373fb98e29fSHugues Fruchet bool pending_fmt_change; 37419a81c14SSteve Longerbeam 37519a81c14SSteve Longerbeam const struct ov5640_mode_info *current_mode; 376985cdcb0SHugues Fruchet const struct ov5640_mode_info *last_mode; 37719a81c14SSteve Longerbeam enum ov5640_frame_rate current_fr; 37819a81c14SSteve Longerbeam struct v4l2_fract frame_interval; 3793c28588fSJacopo Mondi s64 current_link_freq; 38019a81c14SSteve Longerbeam 38119a81c14SSteve Longerbeam struct ov5640_ctrls ctrls; 38219a81c14SSteve Longerbeam 38319a81c14SSteve Longerbeam u32 prev_sysclk, prev_hts; 38419a81c14SSteve Longerbeam u32 ae_low, ae_high, ae_target; 38519a81c14SSteve Longerbeam 38619a81c14SSteve Longerbeam bool pending_mode_change; 38719a81c14SSteve Longerbeam bool streaming; 38819a81c14SSteve Longerbeam }; 38919a81c14SSteve Longerbeam 39019a81c14SSteve Longerbeam static inline struct ov5640_dev *to_ov5640_dev(struct v4l2_subdev *sd) 39119a81c14SSteve Longerbeam { 39219a81c14SSteve Longerbeam return container_of(sd, struct ov5640_dev, sd); 39319a81c14SSteve Longerbeam } 39419a81c14SSteve Longerbeam 39519a81c14SSteve Longerbeam static inline struct v4l2_subdev *ctrl_to_sd(struct v4l2_ctrl *ctrl) 39619a81c14SSteve Longerbeam { 39719a81c14SSteve Longerbeam return &container_of(ctrl->handler, struct ov5640_dev, 39819a81c14SSteve Longerbeam ctrls.handler)->sd; 39919a81c14SSteve Longerbeam } 40019a81c14SSteve Longerbeam 4018e823f5cSJacopo Mondi static inline bool ov5640_is_csi2(const struct ov5640_dev *sensor) 4028e823f5cSJacopo Mondi { 4038e823f5cSJacopo Mondi return sensor->ep.bus_type == V4L2_MBUS_CSI2_DPHY; 4048e823f5cSJacopo Mondi } 4058e823f5cSJacopo Mondi 40619a81c14SSteve Longerbeam /* 40719a81c14SSteve Longerbeam * FIXME: all of these register tables are likely filled with 40819a81c14SSteve Longerbeam * entries that set the register to their power-on default values, 40919a81c14SSteve Longerbeam * and which are otherwise not touched by this driver. Those entries 41019a81c14SSteve Longerbeam * should be identified and removed to speed register load time 41119a81c14SSteve Longerbeam * over i2c. 41219a81c14SSteve Longerbeam */ 413fb98e29fSHugues Fruchet /* YUV422 UYVY VGA@30fps */ 414e4359019SJacopo Mondi static const struct reg_value ov5640_init_setting[] = { 41519a81c14SSteve Longerbeam {0x3103, 0x11, 0, 0}, {0x3008, 0x82, 0, 5}, {0x3008, 0x42, 0, 0}, 416576f5d4bSLad Prabhakar {0x3103, 0x03, 0, 0}, {0x3630, 0x36, 0, 0}, 41719a81c14SSteve Longerbeam {0x3631, 0x0e, 0, 0}, {0x3632, 0xe2, 0, 0}, {0x3633, 0x12, 0, 0}, 41819a81c14SSteve Longerbeam {0x3621, 0xe0, 0, 0}, {0x3704, 0xa0, 0, 0}, {0x3703, 0x5a, 0, 0}, 41919a81c14SSteve Longerbeam {0x3715, 0x78, 0, 0}, {0x3717, 0x01, 0, 0}, {0x370b, 0x60, 0, 0}, 42019a81c14SSteve Longerbeam {0x3705, 0x1a, 0, 0}, {0x3905, 0x02, 0, 0}, {0x3906, 0x10, 0, 0}, 42119a81c14SSteve Longerbeam {0x3901, 0x0a, 0, 0}, {0x3731, 0x12, 0, 0}, {0x3600, 0x08, 0, 0}, 42219a81c14SSteve Longerbeam {0x3601, 0x33, 0, 0}, {0x302d, 0x60, 0, 0}, {0x3620, 0x52, 0, 0}, 42319a81c14SSteve Longerbeam {0x371b, 0x20, 0, 0}, {0x471c, 0x50, 0, 0}, {0x3a13, 0x43, 0, 0}, 42419a81c14SSteve Longerbeam {0x3a18, 0x00, 0, 0}, {0x3a19, 0xf8, 0, 0}, {0x3635, 0x13, 0, 0}, 42519a81c14SSteve Longerbeam {0x3636, 0x03, 0, 0}, {0x3634, 0x40, 0, 0}, {0x3622, 0x01, 0, 0}, 42619a81c14SSteve Longerbeam {0x3c01, 0xa4, 0, 0}, {0x3c04, 0x28, 0, 0}, {0x3c05, 0x98, 0, 0}, 42719a81c14SSteve Longerbeam {0x3c06, 0x00, 0, 0}, {0x3c07, 0x08, 0, 0}, {0x3c08, 0x00, 0, 0}, 42819a81c14SSteve Longerbeam {0x3c09, 0x1c, 0, 0}, {0x3c0a, 0x9c, 0, 0}, {0x3c0b, 0x40, 0, 0}, 42919a81c14SSteve Longerbeam {0x3820, 0x41, 0, 0}, {0x3821, 0x07, 0, 0}, {0x3814, 0x31, 0, 0}, 4303145efcdSJacopo Mondi {0x3815, 0x31, 0, 0}, 43119a81c14SSteve Longerbeam {0x3618, 0x00, 0, 0}, {0x3612, 0x29, 0, 0}, {0x3708, 0x64, 0, 0}, 43219a81c14SSteve Longerbeam {0x3709, 0x52, 0, 0}, {0x370c, 0x03, 0, 0}, {0x3a02, 0x03, 0, 0}, 43319a81c14SSteve Longerbeam {0x3a03, 0xd8, 0, 0}, {0x3a08, 0x01, 0, 0}, {0x3a09, 0x27, 0, 0}, 43419a81c14SSteve Longerbeam {0x3a0a, 0x00, 0, 0}, {0x3a0b, 0xf6, 0, 0}, {0x3a0e, 0x03, 0, 0}, 43519a81c14SSteve Longerbeam {0x3a0d, 0x04, 0, 0}, {0x3a14, 0x03, 0, 0}, {0x3a15, 0xd8, 0, 0}, 43619a81c14SSteve Longerbeam {0x4001, 0x02, 0, 0}, {0x4004, 0x02, 0, 0}, {0x3000, 0x00, 0, 0}, 43719a81c14SSteve Longerbeam {0x3002, 0x1c, 0, 0}, {0x3004, 0xff, 0, 0}, {0x3006, 0xc3, 0, 0}, 438aa4bb8b8SJacopo Mondi {0x302e, 0x08, 0, 0}, {0x4300, 0x3f, 0, 0}, 4392b5c18f9SChen-Yu Tsai {0x501f, 0x00, 0, 0}, {0x4407, 0x04, 0, 0}, 44019a81c14SSteve Longerbeam {0x440e, 0x00, 0, 0}, {0x460b, 0x35, 0, 0}, {0x460c, 0x22, 0, 0}, 441aa4bb8b8SJacopo Mondi {0x4837, 0x0a, 0, 0}, {0x3824, 0x02, 0, 0}, 44219a81c14SSteve Longerbeam {0x5000, 0xa7, 0, 0}, {0x5001, 0xa3, 0, 0}, {0x5180, 0xff, 0, 0}, 44319a81c14SSteve Longerbeam {0x5181, 0xf2, 0, 0}, {0x5182, 0x00, 0, 0}, {0x5183, 0x14, 0, 0}, 44419a81c14SSteve Longerbeam {0x5184, 0x25, 0, 0}, {0x5185, 0x24, 0, 0}, {0x5186, 0x09, 0, 0}, 44519a81c14SSteve Longerbeam {0x5187, 0x09, 0, 0}, {0x5188, 0x09, 0, 0}, {0x5189, 0x88, 0, 0}, 44619a81c14SSteve Longerbeam {0x518a, 0x54, 0, 0}, {0x518b, 0xee, 0, 0}, {0x518c, 0xb2, 0, 0}, 44719a81c14SSteve Longerbeam {0x518d, 0x50, 0, 0}, {0x518e, 0x34, 0, 0}, {0x518f, 0x6b, 0, 0}, 44819a81c14SSteve Longerbeam {0x5190, 0x46, 0, 0}, {0x5191, 0xf8, 0, 0}, {0x5192, 0x04, 0, 0}, 44919a81c14SSteve Longerbeam {0x5193, 0x70, 0, 0}, {0x5194, 0xf0, 0, 0}, {0x5195, 0xf0, 0, 0}, 45019a81c14SSteve Longerbeam {0x5196, 0x03, 0, 0}, {0x5197, 0x01, 0, 0}, {0x5198, 0x04, 0, 0}, 45119a81c14SSteve Longerbeam {0x5199, 0x6c, 0, 0}, {0x519a, 0x04, 0, 0}, {0x519b, 0x00, 0, 0}, 45219a81c14SSteve Longerbeam {0x519c, 0x09, 0, 0}, {0x519d, 0x2b, 0, 0}, {0x519e, 0x38, 0, 0}, 45319a81c14SSteve Longerbeam {0x5381, 0x1e, 0, 0}, {0x5382, 0x5b, 0, 0}, {0x5383, 0x08, 0, 0}, 45419a81c14SSteve Longerbeam {0x5384, 0x0a, 0, 0}, {0x5385, 0x7e, 0, 0}, {0x5386, 0x88, 0, 0}, 45519a81c14SSteve Longerbeam {0x5387, 0x7c, 0, 0}, {0x5388, 0x6c, 0, 0}, {0x5389, 0x10, 0, 0}, 45619a81c14SSteve Longerbeam {0x538a, 0x01, 0, 0}, {0x538b, 0x98, 0, 0}, {0x5300, 0x08, 0, 0}, 45719a81c14SSteve Longerbeam {0x5301, 0x30, 0, 0}, {0x5302, 0x10, 0, 0}, {0x5303, 0x00, 0, 0}, 45819a81c14SSteve Longerbeam {0x5304, 0x08, 0, 0}, {0x5305, 0x30, 0, 0}, {0x5306, 0x08, 0, 0}, 45919a81c14SSteve Longerbeam {0x5307, 0x16, 0, 0}, {0x5309, 0x08, 0, 0}, {0x530a, 0x30, 0, 0}, 46019a81c14SSteve Longerbeam {0x530b, 0x04, 0, 0}, {0x530c, 0x06, 0, 0}, {0x5480, 0x01, 0, 0}, 46119a81c14SSteve Longerbeam {0x5481, 0x08, 0, 0}, {0x5482, 0x14, 0, 0}, {0x5483, 0x28, 0, 0}, 46219a81c14SSteve Longerbeam {0x5484, 0x51, 0, 0}, {0x5485, 0x65, 0, 0}, {0x5486, 0x71, 0, 0}, 46319a81c14SSteve Longerbeam {0x5487, 0x7d, 0, 0}, {0x5488, 0x87, 0, 0}, {0x5489, 0x91, 0, 0}, 46419a81c14SSteve Longerbeam {0x548a, 0x9a, 0, 0}, {0x548b, 0xaa, 0, 0}, {0x548c, 0xb8, 0, 0}, 46519a81c14SSteve Longerbeam {0x548d, 0xcd, 0, 0}, {0x548e, 0xdd, 0, 0}, {0x548f, 0xea, 0, 0}, 46619a81c14SSteve Longerbeam {0x5490, 0x1d, 0, 0}, {0x5580, 0x02, 0, 0}, {0x5583, 0x40, 0, 0}, 46719a81c14SSteve Longerbeam {0x5584, 0x10, 0, 0}, {0x5589, 0x10, 0, 0}, {0x558a, 0x00, 0, 0}, 46819a81c14SSteve Longerbeam {0x558b, 0xf8, 0, 0}, {0x5800, 0x23, 0, 0}, {0x5801, 0x14, 0, 0}, 46919a81c14SSteve Longerbeam {0x5802, 0x0f, 0, 0}, {0x5803, 0x0f, 0, 0}, {0x5804, 0x12, 0, 0}, 47019a81c14SSteve Longerbeam {0x5805, 0x26, 0, 0}, {0x5806, 0x0c, 0, 0}, {0x5807, 0x08, 0, 0}, 47119a81c14SSteve Longerbeam {0x5808, 0x05, 0, 0}, {0x5809, 0x05, 0, 0}, {0x580a, 0x08, 0, 0}, 47219a81c14SSteve Longerbeam {0x580b, 0x0d, 0, 0}, {0x580c, 0x08, 0, 0}, {0x580d, 0x03, 0, 0}, 47319a81c14SSteve Longerbeam {0x580e, 0x00, 0, 0}, {0x580f, 0x00, 0, 0}, {0x5810, 0x03, 0, 0}, 47419a81c14SSteve Longerbeam {0x5811, 0x09, 0, 0}, {0x5812, 0x07, 0, 0}, {0x5813, 0x03, 0, 0}, 47519a81c14SSteve Longerbeam {0x5814, 0x00, 0, 0}, {0x5815, 0x01, 0, 0}, {0x5816, 0x03, 0, 0}, 47619a81c14SSteve Longerbeam {0x5817, 0x08, 0, 0}, {0x5818, 0x0d, 0, 0}, {0x5819, 0x08, 0, 0}, 47719a81c14SSteve Longerbeam {0x581a, 0x05, 0, 0}, {0x581b, 0x06, 0, 0}, {0x581c, 0x08, 0, 0}, 47819a81c14SSteve Longerbeam {0x581d, 0x0e, 0, 0}, {0x581e, 0x29, 0, 0}, {0x581f, 0x17, 0, 0}, 47919a81c14SSteve Longerbeam {0x5820, 0x11, 0, 0}, {0x5821, 0x11, 0, 0}, {0x5822, 0x15, 0, 0}, 48019a81c14SSteve Longerbeam {0x5823, 0x28, 0, 0}, {0x5824, 0x46, 0, 0}, {0x5825, 0x26, 0, 0}, 48119a81c14SSteve Longerbeam {0x5826, 0x08, 0, 0}, {0x5827, 0x26, 0, 0}, {0x5828, 0x64, 0, 0}, 48219a81c14SSteve Longerbeam {0x5829, 0x26, 0, 0}, {0x582a, 0x24, 0, 0}, {0x582b, 0x22, 0, 0}, 48319a81c14SSteve Longerbeam {0x582c, 0x24, 0, 0}, {0x582d, 0x24, 0, 0}, {0x582e, 0x06, 0, 0}, 48419a81c14SSteve Longerbeam {0x582f, 0x22, 0, 0}, {0x5830, 0x40, 0, 0}, {0x5831, 0x42, 0, 0}, 48519a81c14SSteve Longerbeam {0x5832, 0x24, 0, 0}, {0x5833, 0x26, 0, 0}, {0x5834, 0x24, 0, 0}, 48619a81c14SSteve Longerbeam {0x5835, 0x22, 0, 0}, {0x5836, 0x22, 0, 0}, {0x5837, 0x26, 0, 0}, 48719a81c14SSteve Longerbeam {0x5838, 0x44, 0, 0}, {0x5839, 0x24, 0, 0}, {0x583a, 0x26, 0, 0}, 48819a81c14SSteve Longerbeam {0x583b, 0x28, 0, 0}, {0x583c, 0x42, 0, 0}, {0x583d, 0xce, 0, 0}, 48919a81c14SSteve Longerbeam {0x5025, 0x00, 0, 0}, {0x3a0f, 0x30, 0, 0}, {0x3a10, 0x28, 0, 0}, 49019a81c14SSteve Longerbeam {0x3a1b, 0x30, 0, 0}, {0x3a1e, 0x26, 0, 0}, {0x3a11, 0x60, 0, 0}, 49119a81c14SSteve Longerbeam {0x3a1f, 0x14, 0, 0}, {0x3008, 0x02, 0, 0}, {0x3c00, 0x04, 0, 300}, 49219a81c14SSteve Longerbeam }; 49319a81c14SSteve Longerbeam 494db15c195SJacopo Mondi static const struct reg_value ov5640_setting_low_res[] = { 495c14d107eSMaxime Ripard {0x3c07, 0x08, 0, 0}, 49619a81c14SSteve Longerbeam {0x3c09, 0x1c, 0, 0}, {0x3c0a, 0x9c, 0, 0}, {0x3c0b, 0x40, 0, 0}, 497ce85705aSHugues Fruchet {0x3814, 0x31, 0, 0}, 4983145efcdSJacopo Mondi {0x3815, 0x31, 0, 0}, 49919a81c14SSteve Longerbeam {0x3618, 0x00, 0, 0}, {0x3612, 0x29, 0, 0}, {0x3708, 0x64, 0, 0}, 50019a81c14SSteve Longerbeam {0x3709, 0x52, 0, 0}, {0x370c, 0x03, 0, 0}, {0x3a02, 0x03, 0, 0}, 50119a81c14SSteve Longerbeam {0x3a03, 0xd8, 0, 0}, {0x3a08, 0x01, 0, 0}, {0x3a09, 0x27, 0, 0}, 50219a81c14SSteve Longerbeam {0x3a0a, 0x00, 0, 0}, {0x3a0b, 0xf6, 0, 0}, {0x3a0e, 0x03, 0, 0}, 50319a81c14SSteve Longerbeam {0x3a0d, 0x04, 0, 0}, {0x3a14, 0x03, 0, 0}, {0x3a15, 0xd8, 0, 0}, 5042b5c18f9SChen-Yu Tsai {0x4001, 0x02, 0, 0}, {0x4004, 0x02, 0, 0}, 505e15197bdSJacopo Mondi {0x4407, 0x04, 0, 0}, {0x5001, 0xa3, 0, 0}, 50619a81c14SSteve Longerbeam }; 50719a81c14SSteve Longerbeam 508086c25f8SMaxime Ripard static const struct reg_value ov5640_setting_720P_1280_720[] = { 509c14d107eSMaxime Ripard {0x3c07, 0x07, 0, 0}, 51019a81c14SSteve Longerbeam {0x3c09, 0x1c, 0, 0}, {0x3c0a, 0x9c, 0, 0}, {0x3c0b, 0x40, 0, 0}, 511ce85705aSHugues Fruchet {0x3814, 0x31, 0, 0}, 5123145efcdSJacopo Mondi {0x3815, 0x31, 0, 0}, 51319a81c14SSteve Longerbeam {0x3618, 0x00, 0, 0}, {0x3612, 0x29, 0, 0}, {0x3708, 0x64, 0, 0}, 51419a81c14SSteve Longerbeam {0x3709, 0x52, 0, 0}, {0x370c, 0x03, 0, 0}, {0x3a02, 0x02, 0, 0}, 51519a81c14SSteve Longerbeam {0x3a03, 0xe4, 0, 0}, {0x3a08, 0x01, 0, 0}, {0x3a09, 0xbc, 0, 0}, 51619a81c14SSteve Longerbeam {0x3a0a, 0x01, 0, 0}, {0x3a0b, 0x72, 0, 0}, {0x3a0e, 0x01, 0, 0}, 51719a81c14SSteve Longerbeam {0x3a0d, 0x02, 0, 0}, {0x3a14, 0x02, 0, 0}, {0x3a15, 0xe4, 0, 0}, 5182b5c18f9SChen-Yu Tsai {0x4001, 0x02, 0, 0}, {0x4004, 0x02, 0, 0}, 51919a81c14SSteve Longerbeam {0x4407, 0x04, 0, 0}, {0x460b, 0x37, 0, 0}, {0x460c, 0x20, 0, 0}, 52019a81c14SSteve Longerbeam {0x3824, 0x04, 0, 0}, {0x5001, 0x83, 0, 0}, 52119a81c14SSteve Longerbeam }; 52219a81c14SSteve Longerbeam 523086c25f8SMaxime Ripard static const struct reg_value ov5640_setting_1080P_1920_1080[] = { 524c14d107eSMaxime Ripard {0x3c07, 0x08, 0, 0}, 52519a81c14SSteve Longerbeam {0x3c09, 0x1c, 0, 0}, {0x3c0a, 0x9c, 0, 0}, {0x3c0b, 0x40, 0, 0}, 526ce85705aSHugues Fruchet {0x3814, 0x11, 0, 0}, 5273145efcdSJacopo Mondi {0x3815, 0x11, 0, 0}, 52819a81c14SSteve Longerbeam {0x3618, 0x04, 0, 0}, {0x3612, 0x29, 0, 0}, {0x3708, 0x21, 0, 0}, 52919a81c14SSteve Longerbeam {0x3709, 0x12, 0, 0}, {0x370c, 0x00, 0, 0}, {0x3a02, 0x03, 0, 0}, 53019a81c14SSteve Longerbeam {0x3a03, 0xd8, 0, 0}, {0x3a08, 0x01, 0, 0}, {0x3a09, 0x27, 0, 0}, 53119a81c14SSteve Longerbeam {0x3a0a, 0x00, 0, 0}, {0x3a0b, 0xf6, 0, 0}, {0x3a0e, 0x03, 0, 0}, 53219a81c14SSteve Longerbeam {0x3a0d, 0x04, 0, 0}, {0x3a14, 0x03, 0, 0}, {0x3a15, 0xd8, 0, 0}, 5332b5c18f9SChen-Yu Tsai {0x4001, 0x02, 0, 0}, {0x4004, 0x06, 0, 0}, 53419a81c14SSteve Longerbeam {0x4407, 0x04, 0, 0}, {0x460b, 0x35, 0, 0}, {0x460c, 0x22, 0, 0}, 535c14d107eSMaxime Ripard {0x3824, 0x02, 0, 0}, {0x5001, 0x83, 0, 0}, 536c14d107eSMaxime Ripard {0x3c07, 0x07, 0, 0}, {0x3c08, 0x00, 0, 0}, 53719a81c14SSteve Longerbeam {0x3c09, 0x1c, 0, 0}, {0x3c0a, 0x9c, 0, 0}, {0x3c0b, 0x40, 0, 0}, 538476dec01SMaxime Ripard {0x3612, 0x2b, 0, 0}, {0x3708, 0x64, 0, 0}, 53919a81c14SSteve Longerbeam {0x3a02, 0x04, 0, 0}, {0x3a03, 0x60, 0, 0}, {0x3a08, 0x01, 0, 0}, 54019a81c14SSteve Longerbeam {0x3a09, 0x50, 0, 0}, {0x3a0a, 0x01, 0, 0}, {0x3a0b, 0x18, 0, 0}, 54119a81c14SSteve Longerbeam {0x3a0e, 0x03, 0, 0}, {0x3a0d, 0x04, 0, 0}, {0x3a14, 0x04, 0, 0}, 5422b5c18f9SChen-Yu Tsai {0x3a15, 0x60, 0, 0}, {0x4407, 0x04, 0, 0}, 54319a81c14SSteve Longerbeam {0x460b, 0x37, 0, 0}, {0x460c, 0x20, 0, 0}, {0x3824, 0x04, 0, 0}, 54492b9096cSBenoit Parrot {0x4005, 0x1a, 0, 0}, 54519a81c14SSteve Longerbeam }; 54619a81c14SSteve Longerbeam 547086c25f8SMaxime Ripard static const struct reg_value ov5640_setting_QSXGA_2592_1944[] = { 548c14d107eSMaxime Ripard {0x3c07, 0x08, 0, 0}, 54919a81c14SSteve Longerbeam {0x3c09, 0x1c, 0, 0}, {0x3c0a, 0x9c, 0, 0}, {0x3c0b, 0x40, 0, 0}, 550ce85705aSHugues Fruchet {0x3814, 0x11, 0, 0}, 5513145efcdSJacopo Mondi {0x3815, 0x11, 0, 0}, 55219a81c14SSteve Longerbeam {0x3618, 0x04, 0, 0}, {0x3612, 0x29, 0, 0}, {0x3708, 0x21, 0, 0}, 55319a81c14SSteve Longerbeam {0x3709, 0x12, 0, 0}, {0x370c, 0x00, 0, 0}, {0x3a02, 0x03, 0, 0}, 55419a81c14SSteve Longerbeam {0x3a03, 0xd8, 0, 0}, {0x3a08, 0x01, 0, 0}, {0x3a09, 0x27, 0, 0}, 55519a81c14SSteve Longerbeam {0x3a0a, 0x00, 0, 0}, {0x3a0b, 0xf6, 0, 0}, {0x3a0e, 0x03, 0, 0}, 55619a81c14SSteve Longerbeam {0x3a0d, 0x04, 0, 0}, {0x3a14, 0x03, 0, 0}, {0x3a15, 0xd8, 0, 0}, 5572b5c18f9SChen-Yu Tsai {0x4001, 0x02, 0, 0}, {0x4004, 0x06, 0, 0}, 55819a81c14SSteve Longerbeam {0x4407, 0x04, 0, 0}, {0x460b, 0x35, 0, 0}, {0x460c, 0x22, 0, 0}, 55919a81c14SSteve Longerbeam {0x3824, 0x02, 0, 0}, {0x5001, 0x83, 0, 70}, 56019a81c14SSteve Longerbeam }; 56119a81c14SSteve Longerbeam 5625113d5b3SJacopo Mondi static const struct ov5640_mode_info ov5640_mode_data[OV5640_NUM_MODES] = { 5638409d017SJacopo Mondi { 5648409d017SJacopo Mondi /* 160x120 */ 5653145efcdSJacopo Mondi .id = OV5640_MODE_QQVGA_160_120, 5663145efcdSJacopo Mondi .dn_mode = SUBSAMPLING, 5673145efcdSJacopo Mondi .pixel_rate = OV5640_PIXEL_RATE_48M, 5685113d5b3SJacopo Mondi .width = 160, 5695113d5b3SJacopo Mondi .height = 120, 5705113d5b3SJacopo Mondi .dvp_timings = { 5713145efcdSJacopo Mondi .analog_crop = { 5723145efcdSJacopo Mondi .left = 0, 5733145efcdSJacopo Mondi .top = 4, 5743145efcdSJacopo Mondi .width = 2624, 5753145efcdSJacopo Mondi .height = 1944, 5763145efcdSJacopo Mondi }, 5773145efcdSJacopo Mondi .crop = { 5783145efcdSJacopo Mondi .left = 16, 5793145efcdSJacopo Mondi .top = 6, 5803145efcdSJacopo Mondi .width = 160, 5813145efcdSJacopo Mondi .height = 120, 5823145efcdSJacopo Mondi }, 5833145efcdSJacopo Mondi .htot = 1896, 5843145efcdSJacopo Mondi .vblank_def = 864, 5855113d5b3SJacopo Mondi }, 5865113d5b3SJacopo Mondi .csi2_timings = { 5875113d5b3SJacopo Mondi /* Feed the full valid pixel array to the ISP. */ 5885113d5b3SJacopo Mondi .analog_crop = { 5895113d5b3SJacopo Mondi .left = OV5640_PIXEL_ARRAY_LEFT, 5905113d5b3SJacopo Mondi .top = OV5640_PIXEL_ARRAY_TOP, 5915113d5b3SJacopo Mondi .width = OV5640_PIXEL_ARRAY_WIDTH, 5925113d5b3SJacopo Mondi .height = OV5640_PIXEL_ARRAY_HEIGHT, 5935113d5b3SJacopo Mondi }, 5945113d5b3SJacopo Mondi /* Maintain a minimum processing margin. */ 5955113d5b3SJacopo Mondi .crop = { 5965113d5b3SJacopo Mondi .left = 2, 5975113d5b3SJacopo Mondi .top = 4, 5985113d5b3SJacopo Mondi .width = 160, 5995113d5b3SJacopo Mondi .height = 120, 6005113d5b3SJacopo Mondi }, 6015113d5b3SJacopo Mondi .htot = 1896, 6025113d5b3SJacopo Mondi .vblank_def = 864, 6035113d5b3SJacopo Mondi }, 604db15c195SJacopo Mondi .reg_data = ov5640_setting_low_res, 605db15c195SJacopo Mondi .reg_data_size = ARRAY_SIZE(ov5640_setting_low_res), 60619f2e3e6SHugues Fruchet .max_fps = OV5640_30_FPS, 60719f2e3e6SHugues Fruchet .def_fps = OV5640_30_FPS 6088409d017SJacopo Mondi }, { 6098409d017SJacopo Mondi /* 176x144 */ 6103145efcdSJacopo Mondi .id = OV5640_MODE_QCIF_176_144, 6113145efcdSJacopo Mondi .dn_mode = SUBSAMPLING, 6123145efcdSJacopo Mondi .pixel_rate = OV5640_PIXEL_RATE_48M, 6135113d5b3SJacopo Mondi .width = 176, 6145113d5b3SJacopo Mondi .height = 144, 6155113d5b3SJacopo Mondi .dvp_timings = { 6163145efcdSJacopo Mondi .analog_crop = { 6173145efcdSJacopo Mondi .left = 0, 6183145efcdSJacopo Mondi .top = 4, 6193145efcdSJacopo Mondi .width = 2624, 6203145efcdSJacopo Mondi .height = 1944, 6213145efcdSJacopo Mondi }, 6223145efcdSJacopo Mondi .crop = { 6233145efcdSJacopo Mondi .left = 16, 6243145efcdSJacopo Mondi .top = 6, 6253145efcdSJacopo Mondi .width = 176, 6263145efcdSJacopo Mondi .height = 144, 6273145efcdSJacopo Mondi }, 6283145efcdSJacopo Mondi .htot = 1896, 6293145efcdSJacopo Mondi .vblank_def = 840, 6305113d5b3SJacopo Mondi }, 6315113d5b3SJacopo Mondi .csi2_timings = { 6325113d5b3SJacopo Mondi /* Feed the full valid pixel array to the ISP. */ 6335113d5b3SJacopo Mondi .analog_crop = { 6345113d5b3SJacopo Mondi .left = OV5640_PIXEL_ARRAY_LEFT, 6355113d5b3SJacopo Mondi .top = OV5640_PIXEL_ARRAY_TOP, 6365113d5b3SJacopo Mondi .width = OV5640_PIXEL_ARRAY_WIDTH, 6375113d5b3SJacopo Mondi .height = OV5640_PIXEL_ARRAY_HEIGHT, 6385113d5b3SJacopo Mondi }, 6395113d5b3SJacopo Mondi /* Maintain a minimum processing margin. */ 6405113d5b3SJacopo Mondi .crop = { 6415113d5b3SJacopo Mondi .left = 2, 6425113d5b3SJacopo Mondi .top = 4, 6435113d5b3SJacopo Mondi .width = 176, 6445113d5b3SJacopo Mondi .height = 144, 6455113d5b3SJacopo Mondi }, 6465113d5b3SJacopo Mondi .htot = 1896, 6475113d5b3SJacopo Mondi .vblank_def = 840, 6485113d5b3SJacopo Mondi }, 649db15c195SJacopo Mondi .reg_data = ov5640_setting_low_res, 650db15c195SJacopo Mondi .reg_data_size = ARRAY_SIZE(ov5640_setting_low_res), 65119f2e3e6SHugues Fruchet .max_fps = OV5640_30_FPS, 65219f2e3e6SHugues Fruchet .def_fps = OV5640_30_FPS 6538409d017SJacopo Mondi }, { 6548409d017SJacopo Mondi /* 320x240 */ 6553145efcdSJacopo Mondi .id = OV5640_MODE_QVGA_320_240, 6563145efcdSJacopo Mondi .dn_mode = SUBSAMPLING, 6575113d5b3SJacopo Mondi .width = 320, 6585113d5b3SJacopo Mondi .height = 240, 6593145efcdSJacopo Mondi .pixel_rate = OV5640_PIXEL_RATE_48M, 6605113d5b3SJacopo Mondi .dvp_timings = { 6613145efcdSJacopo Mondi .analog_crop = { 6623145efcdSJacopo Mondi .left = 0, 6633145efcdSJacopo Mondi .top = 4, 6643145efcdSJacopo Mondi .width = 2624, 6653145efcdSJacopo Mondi .height = 1944, 6663145efcdSJacopo Mondi }, 6673145efcdSJacopo Mondi .crop = { 6683145efcdSJacopo Mondi .left = 16, 6693145efcdSJacopo Mondi .top = 6, 6703145efcdSJacopo Mondi .width = 320, 6713145efcdSJacopo Mondi .height = 240, 6723145efcdSJacopo Mondi }, 6733145efcdSJacopo Mondi .htot = 1896, 6743145efcdSJacopo Mondi .vblank_def = 744, 6755113d5b3SJacopo Mondi }, 6765113d5b3SJacopo Mondi .csi2_timings = { 6775113d5b3SJacopo Mondi /* Feed the full valid pixel array to the ISP. */ 6785113d5b3SJacopo Mondi .analog_crop = { 6795113d5b3SJacopo Mondi .left = OV5640_PIXEL_ARRAY_LEFT, 6805113d5b3SJacopo Mondi .top = OV5640_PIXEL_ARRAY_TOP, 6815113d5b3SJacopo Mondi .width = OV5640_PIXEL_ARRAY_WIDTH, 6825113d5b3SJacopo Mondi .height = OV5640_PIXEL_ARRAY_HEIGHT, 6835113d5b3SJacopo Mondi }, 6845113d5b3SJacopo Mondi /* Maintain a minimum processing margin. */ 6855113d5b3SJacopo Mondi .crop = { 6865113d5b3SJacopo Mondi .left = 2, 6875113d5b3SJacopo Mondi .top = 4, 6885113d5b3SJacopo Mondi .width = 320, 6895113d5b3SJacopo Mondi .height = 240, 6905113d5b3SJacopo Mondi }, 6915113d5b3SJacopo Mondi .htot = 1896, 6925113d5b3SJacopo Mondi .vblank_def = 744, 6935113d5b3SJacopo Mondi }, 694db15c195SJacopo Mondi .reg_data = ov5640_setting_low_res, 695db15c195SJacopo Mondi .reg_data_size = ARRAY_SIZE(ov5640_setting_low_res), 69619f2e3e6SHugues Fruchet .max_fps = OV5640_30_FPS, 69719f2e3e6SHugues Fruchet .def_fps = OV5640_30_FPS 6988409d017SJacopo Mondi }, { 6998409d017SJacopo Mondi /* 640x480 */ 7003145efcdSJacopo Mondi .id = OV5640_MODE_VGA_640_480, 7013145efcdSJacopo Mondi .dn_mode = SUBSAMPLING, 7023145efcdSJacopo Mondi .pixel_rate = OV5640_PIXEL_RATE_48M, 7035113d5b3SJacopo Mondi .width = 640, 7045113d5b3SJacopo Mondi .height = 480, 7055113d5b3SJacopo Mondi .dvp_timings = { 7063145efcdSJacopo Mondi .analog_crop = { 7073145efcdSJacopo Mondi .left = 0, 7083145efcdSJacopo Mondi .top = 4, 7093145efcdSJacopo Mondi .width = 2624, 7103145efcdSJacopo Mondi .height = 1944, 7113145efcdSJacopo Mondi }, 7123145efcdSJacopo Mondi .crop = { 7133145efcdSJacopo Mondi .left = 16, 7143145efcdSJacopo Mondi .top = 6, 7153145efcdSJacopo Mondi .width = 640, 7163145efcdSJacopo Mondi .height = 480, 7173145efcdSJacopo Mondi }, 7183145efcdSJacopo Mondi .htot = 1896, 7193145efcdSJacopo Mondi .vblank_def = 600, 7205113d5b3SJacopo Mondi }, 7215113d5b3SJacopo Mondi .csi2_timings = { 7225113d5b3SJacopo Mondi /* Feed the full valid pixel array to the ISP. */ 7235113d5b3SJacopo Mondi .analog_crop = { 7245113d5b3SJacopo Mondi .left = OV5640_PIXEL_ARRAY_LEFT, 7255113d5b3SJacopo Mondi .top = OV5640_PIXEL_ARRAY_TOP, 7265113d5b3SJacopo Mondi .width = OV5640_PIXEL_ARRAY_WIDTH, 7275113d5b3SJacopo Mondi .height = OV5640_PIXEL_ARRAY_HEIGHT, 7285113d5b3SJacopo Mondi }, 7295113d5b3SJacopo Mondi /* Maintain a minimum processing margin. */ 7305113d5b3SJacopo Mondi .crop = { 7315113d5b3SJacopo Mondi .left = 2, 7325113d5b3SJacopo Mondi .top = 4, 7335113d5b3SJacopo Mondi .width = 640, 7345113d5b3SJacopo Mondi .height = 480, 7355113d5b3SJacopo Mondi }, 7365113d5b3SJacopo Mondi .htot = 1896, 7375113d5b3SJacopo Mondi .vblank_def = 600, 7385113d5b3SJacopo Mondi }, 739db15c195SJacopo Mondi .reg_data = ov5640_setting_low_res, 740db15c195SJacopo Mondi .reg_data_size = ARRAY_SIZE(ov5640_setting_low_res), 74119f2e3e6SHugues Fruchet .max_fps = OV5640_60_FPS, 74219f2e3e6SHugues Fruchet .def_fps = OV5640_30_FPS 7438409d017SJacopo Mondi }, { 7448409d017SJacopo Mondi /* 720x480 */ 7453145efcdSJacopo Mondi .id = OV5640_MODE_NTSC_720_480, 7463145efcdSJacopo Mondi .dn_mode = SUBSAMPLING, 7475113d5b3SJacopo Mondi .width = 720, 7485113d5b3SJacopo Mondi .height = 480, 7493145efcdSJacopo Mondi .pixel_rate = OV5640_PIXEL_RATE_96M, 7505113d5b3SJacopo Mondi .dvp_timings = { 7513145efcdSJacopo Mondi .analog_crop = { 7523145efcdSJacopo Mondi .left = 0, 7533145efcdSJacopo Mondi .top = 4, 7543145efcdSJacopo Mondi .width = 2624, 7553145efcdSJacopo Mondi .height = 1944, 7563145efcdSJacopo Mondi }, 7573145efcdSJacopo Mondi .crop = { 758e74ef55bSJacopo Mondi .left = 56, 7593145efcdSJacopo Mondi .top = 60, 7603145efcdSJacopo Mondi .width = 720, 7613145efcdSJacopo Mondi .height = 480, 7623145efcdSJacopo Mondi }, 7633145efcdSJacopo Mondi .htot = 1896, 7643145efcdSJacopo Mondi .vblank_def = 504, 7655113d5b3SJacopo Mondi }, 7665113d5b3SJacopo Mondi .csi2_timings = { 7675113d5b3SJacopo Mondi /* Feed the full valid pixel array to the ISP. */ 7685113d5b3SJacopo Mondi .analog_crop = { 7695113d5b3SJacopo Mondi .left = OV5640_PIXEL_ARRAY_LEFT, 7705113d5b3SJacopo Mondi .top = OV5640_PIXEL_ARRAY_TOP, 7715113d5b3SJacopo Mondi .width = OV5640_PIXEL_ARRAY_WIDTH, 7725113d5b3SJacopo Mondi .height = OV5640_PIXEL_ARRAY_HEIGHT, 7735113d5b3SJacopo Mondi }, 7745113d5b3SJacopo Mondi .crop = { 7755113d5b3SJacopo Mondi .left = 56, 7765113d5b3SJacopo Mondi .top = 60, 7775113d5b3SJacopo Mondi .width = 720, 7785113d5b3SJacopo Mondi .height = 480, 7795113d5b3SJacopo Mondi }, 7805113d5b3SJacopo Mondi .htot = 1896, 7815113d5b3SJacopo Mondi .vblank_def = 504, 7825113d5b3SJacopo Mondi }, 783db15c195SJacopo Mondi .reg_data = ov5640_setting_low_res, 784db15c195SJacopo Mondi .reg_data_size = ARRAY_SIZE(ov5640_setting_low_res), 78519f2e3e6SHugues Fruchet .max_fps = OV5640_30_FPS, 78619f2e3e6SHugues Fruchet .def_fps = OV5640_30_FPS 7878409d017SJacopo Mondi }, { 7888409d017SJacopo Mondi /* 720x576 */ 7893145efcdSJacopo Mondi .id = OV5640_MODE_PAL_720_576, 7903145efcdSJacopo Mondi .dn_mode = SUBSAMPLING, 7915113d5b3SJacopo Mondi .width = 720, 7925113d5b3SJacopo Mondi .height = 576, 7933145efcdSJacopo Mondi .pixel_rate = OV5640_PIXEL_RATE_96M, 7945113d5b3SJacopo Mondi .dvp_timings = { 7953145efcdSJacopo Mondi .analog_crop = { 7963145efcdSJacopo Mondi .left = 0, 7973145efcdSJacopo Mondi .top = 4, 7983145efcdSJacopo Mondi .width = 2624, 7993145efcdSJacopo Mondi .height = 1944, 8003145efcdSJacopo Mondi }, 8013145efcdSJacopo Mondi .crop = { 8023145efcdSJacopo Mondi .left = 56, 8033145efcdSJacopo Mondi .top = 6, 8043145efcdSJacopo Mondi .width = 720, 8053145efcdSJacopo Mondi .height = 576, 8063145efcdSJacopo Mondi }, 8073145efcdSJacopo Mondi .htot = 1896, 8083145efcdSJacopo Mondi .vblank_def = 408, 8095113d5b3SJacopo Mondi }, 8105113d5b3SJacopo Mondi .csi2_timings = { 8115113d5b3SJacopo Mondi /* Feed the full valid pixel array to the ISP. */ 8125113d5b3SJacopo Mondi .analog_crop = { 8135113d5b3SJacopo Mondi .left = OV5640_PIXEL_ARRAY_LEFT, 8145113d5b3SJacopo Mondi .top = OV5640_PIXEL_ARRAY_TOP, 8155113d5b3SJacopo Mondi .width = OV5640_PIXEL_ARRAY_WIDTH, 8165113d5b3SJacopo Mondi .height = OV5640_PIXEL_ARRAY_HEIGHT, 8175113d5b3SJacopo Mondi }, 8185113d5b3SJacopo Mondi .crop = { 8195113d5b3SJacopo Mondi .left = 56, 8205113d5b3SJacopo Mondi .top = 6, 8215113d5b3SJacopo Mondi .width = 720, 8225113d5b3SJacopo Mondi .height = 576, 8235113d5b3SJacopo Mondi }, 8245113d5b3SJacopo Mondi .htot = 1896, 8255113d5b3SJacopo Mondi .vblank_def = 408, 8265113d5b3SJacopo Mondi }, 827db15c195SJacopo Mondi .reg_data = ov5640_setting_low_res, 828db15c195SJacopo Mondi .reg_data_size = ARRAY_SIZE(ov5640_setting_low_res), 82919f2e3e6SHugues Fruchet .max_fps = OV5640_30_FPS, 83019f2e3e6SHugues Fruchet .def_fps = OV5640_30_FPS 8318409d017SJacopo Mondi }, { 8328409d017SJacopo Mondi /* 1024x768 */ 8333145efcdSJacopo Mondi .id = OV5640_MODE_XGA_1024_768, 8343145efcdSJacopo Mondi .dn_mode = SUBSAMPLING, 8353145efcdSJacopo Mondi .pixel_rate = OV5640_PIXEL_RATE_96M, 8365113d5b3SJacopo Mondi .width = 1024, 8375113d5b3SJacopo Mondi .height = 768, 8385113d5b3SJacopo Mondi .dvp_timings = { 8393145efcdSJacopo Mondi .analog_crop = { 8403145efcdSJacopo Mondi .left = 0, 8413145efcdSJacopo Mondi .top = 4, 8423145efcdSJacopo Mondi .width = 2624, 8433145efcdSJacopo Mondi .height = 1944, 8443145efcdSJacopo Mondi }, 8453145efcdSJacopo Mondi .crop = { 8463145efcdSJacopo Mondi .left = 16, 8473145efcdSJacopo Mondi .top = 6, 8483145efcdSJacopo Mondi .width = 1024, 8493145efcdSJacopo Mondi .height = 768, 8503145efcdSJacopo Mondi }, 8513145efcdSJacopo Mondi .htot = 1896, 8523145efcdSJacopo Mondi .vblank_def = 312, 8535113d5b3SJacopo Mondi }, 8545113d5b3SJacopo Mondi .csi2_timings = { 8555113d5b3SJacopo Mondi .analog_crop = { 8565113d5b3SJacopo Mondi .left = 0, 8575113d5b3SJacopo Mondi .top = 4, 8585113d5b3SJacopo Mondi .width = OV5640_NATIVE_WIDTH, 8595113d5b3SJacopo Mondi .height = OV5640_PIXEL_ARRAY_HEIGHT, 8605113d5b3SJacopo Mondi }, 8615113d5b3SJacopo Mondi .crop = { 8625113d5b3SJacopo Mondi .left = 16, 8635113d5b3SJacopo Mondi .top = 6, 8645113d5b3SJacopo Mondi .width = 1024, 8655113d5b3SJacopo Mondi .height = 768, 8665113d5b3SJacopo Mondi }, 8675113d5b3SJacopo Mondi .htot = 1896, 8685113d5b3SJacopo Mondi .vblank_def = 312, 8695113d5b3SJacopo Mondi }, 870db15c195SJacopo Mondi .reg_data = ov5640_setting_low_res, 871db15c195SJacopo Mondi .reg_data_size = ARRAY_SIZE(ov5640_setting_low_res), 87219f2e3e6SHugues Fruchet .max_fps = OV5640_30_FPS, 87319f2e3e6SHugues Fruchet .def_fps = OV5640_30_FPS 8748409d017SJacopo Mondi }, { 8758409d017SJacopo Mondi /* 1280x720 */ 8763145efcdSJacopo Mondi .id = OV5640_MODE_720P_1280_720, 8773145efcdSJacopo Mondi .dn_mode = SUBSAMPLING, 8783145efcdSJacopo Mondi .pixel_rate = OV5640_PIXEL_RATE_124M, 8795113d5b3SJacopo Mondi .width = 1280, 8805113d5b3SJacopo Mondi .height = 720, 8815113d5b3SJacopo Mondi .dvp_timings = { 8823145efcdSJacopo Mondi .analog_crop = { 8833145efcdSJacopo Mondi .left = 0, 8843145efcdSJacopo Mondi .top = 250, 8853145efcdSJacopo Mondi .width = 2624, 8863145efcdSJacopo Mondi .height = 1456, 8873145efcdSJacopo Mondi }, 8883145efcdSJacopo Mondi .crop = { 8893145efcdSJacopo Mondi .left = 16, 8903145efcdSJacopo Mondi .top = 4, 8913145efcdSJacopo Mondi .width = 1280, 8923145efcdSJacopo Mondi .height = 720, 8933145efcdSJacopo Mondi }, 8943145efcdSJacopo Mondi .htot = 1892, 8953145efcdSJacopo Mondi .vblank_def = 20, 8965113d5b3SJacopo Mondi }, 8975113d5b3SJacopo Mondi .csi2_timings = { 8985113d5b3SJacopo Mondi .analog_crop = { 8995113d5b3SJacopo Mondi .left = 0, 9005113d5b3SJacopo Mondi .top = 250, 9015113d5b3SJacopo Mondi .width = 2624, 9025113d5b3SJacopo Mondi .height = 1456, 9035113d5b3SJacopo Mondi }, 9045113d5b3SJacopo Mondi .crop = { 9055113d5b3SJacopo Mondi .left = 16, 9065113d5b3SJacopo Mondi .top = 4, 9075113d5b3SJacopo Mondi .width = 1280, 9085113d5b3SJacopo Mondi .height = 720, 9095113d5b3SJacopo Mondi }, 9105113d5b3SJacopo Mondi .htot = 1892, 9115113d5b3SJacopo Mondi .vblank_def = 20, 9125113d5b3SJacopo Mondi }, 9133145efcdSJacopo Mondi .reg_data = ov5640_setting_720P_1280_720, 9143145efcdSJacopo Mondi .reg_data_size = ARRAY_SIZE(ov5640_setting_720P_1280_720), 91519f2e3e6SHugues Fruchet .max_fps = OV5640_30_FPS, 91619f2e3e6SHugues Fruchet .def_fps = OV5640_30_FPS 9178409d017SJacopo Mondi }, { 9188409d017SJacopo Mondi /* 1920x1080 */ 9193145efcdSJacopo Mondi .id = OV5640_MODE_1080P_1920_1080, 9203145efcdSJacopo Mondi .dn_mode = SCALING, 9213145efcdSJacopo Mondi .pixel_rate = OV5640_PIXEL_RATE_148M, 9225113d5b3SJacopo Mondi .width = 1920, 9235113d5b3SJacopo Mondi .height = 1080, 9245113d5b3SJacopo Mondi .dvp_timings = { 9253145efcdSJacopo Mondi .analog_crop = { 9263145efcdSJacopo Mondi .left = 336, 9273145efcdSJacopo Mondi .top = 434, 9283145efcdSJacopo Mondi .width = 1952, 9293145efcdSJacopo Mondi .height = 1088, 9303145efcdSJacopo Mondi }, 9313145efcdSJacopo Mondi .crop = { 9323145efcdSJacopo Mondi .left = 16, 9333145efcdSJacopo Mondi .top = 4, 9343145efcdSJacopo Mondi .width = 1920, 9353145efcdSJacopo Mondi .height = 1080, 9363145efcdSJacopo Mondi }, 9373145efcdSJacopo Mondi .htot = 2500, 9383145efcdSJacopo Mondi .vblank_def = 40, 9395113d5b3SJacopo Mondi }, 9405113d5b3SJacopo Mondi .csi2_timings = { 9415113d5b3SJacopo Mondi /* Crop the full valid pixel array in the center. */ 9425113d5b3SJacopo Mondi .analog_crop = { 9435113d5b3SJacopo Mondi .left = 336, 9445113d5b3SJacopo Mondi .top = 434, 9455113d5b3SJacopo Mondi .width = 1952, 9465113d5b3SJacopo Mondi .height = 1088, 9475113d5b3SJacopo Mondi }, 9485113d5b3SJacopo Mondi /* Maintain a larger processing margins. */ 9495113d5b3SJacopo Mondi .crop = { 9505113d5b3SJacopo Mondi .left = 16, 9515113d5b3SJacopo Mondi .top = 4, 9525113d5b3SJacopo Mondi .width = 1920, 9535113d5b3SJacopo Mondi .height = 1080, 9545113d5b3SJacopo Mondi }, 9555113d5b3SJacopo Mondi .htot = 2500, 9565113d5b3SJacopo Mondi .vblank_def = 40, 9575113d5b3SJacopo Mondi }, 9583145efcdSJacopo Mondi .reg_data = ov5640_setting_1080P_1920_1080, 9593145efcdSJacopo Mondi .reg_data_size = ARRAY_SIZE(ov5640_setting_1080P_1920_1080), 96019f2e3e6SHugues Fruchet .max_fps = OV5640_30_FPS, 96119f2e3e6SHugues Fruchet .def_fps = OV5640_30_FPS 9628409d017SJacopo Mondi }, { 9638409d017SJacopo Mondi /* 2592x1944 */ 9643145efcdSJacopo Mondi .id = OV5640_MODE_QSXGA_2592_1944, 9653145efcdSJacopo Mondi .dn_mode = SCALING, 9663145efcdSJacopo Mondi .pixel_rate = OV5640_PIXEL_RATE_168M, 9675113d5b3SJacopo Mondi .width = OV5640_PIXEL_ARRAY_WIDTH, 9685113d5b3SJacopo Mondi .height = OV5640_PIXEL_ARRAY_HEIGHT, 9695113d5b3SJacopo Mondi .dvp_timings = { 9703145efcdSJacopo Mondi .analog_crop = { 9713145efcdSJacopo Mondi .left = 0, 9723145efcdSJacopo Mondi .top = 0, 9733145efcdSJacopo Mondi .width = 2624, 9743145efcdSJacopo Mondi .height = 1952, 9753145efcdSJacopo Mondi }, 9763145efcdSJacopo Mondi .crop = { 9773145efcdSJacopo Mondi .left = 16, 9783145efcdSJacopo Mondi .top = 4, 9793145efcdSJacopo Mondi .width = 2592, 9803145efcdSJacopo Mondi .height = 1944, 9813145efcdSJacopo Mondi }, 9823145efcdSJacopo Mondi .htot = 2844, 9833145efcdSJacopo Mondi .vblank_def = 24, 9845113d5b3SJacopo Mondi }, 9855113d5b3SJacopo Mondi .csi2_timings = { 9865113d5b3SJacopo Mondi /* Give more processing margin to full resolution. */ 9875113d5b3SJacopo Mondi .analog_crop = { 9885113d5b3SJacopo Mondi .left = 0, 9895113d5b3SJacopo Mondi .top = 0, 9905113d5b3SJacopo Mondi .width = OV5640_NATIVE_WIDTH, 9915113d5b3SJacopo Mondi .height = 1952, 9925113d5b3SJacopo Mondi }, 9935113d5b3SJacopo Mondi .crop = { 9945113d5b3SJacopo Mondi .left = 16, 9955113d5b3SJacopo Mondi .top = 4, 9965113d5b3SJacopo Mondi .width = 2592, 9975113d5b3SJacopo Mondi .height = 1944, 9985113d5b3SJacopo Mondi }, 9995113d5b3SJacopo Mondi .htot = 2844, 10005113d5b3SJacopo Mondi .vblank_def = 24, 10015113d5b3SJacopo Mondi }, 10023145efcdSJacopo Mondi .reg_data = ov5640_setting_QSXGA_2592_1944, 10033145efcdSJacopo Mondi .reg_data_size = ARRAY_SIZE(ov5640_setting_QSXGA_2592_1944), 100419f2e3e6SHugues Fruchet .max_fps = OV5640_15_FPS, 100519f2e3e6SHugues Fruchet .def_fps = OV5640_15_FPS 10068409d017SJacopo Mondi }, 100719a81c14SSteve Longerbeam }; 100819a81c14SSteve Longerbeam 10092de6bb97SJacopo Mondi static const struct ov5640_timings * 10102de6bb97SJacopo Mondi ov5640_timings(const struct ov5640_dev *sensor, 10112de6bb97SJacopo Mondi const struct ov5640_mode_info *mode) 10122de6bb97SJacopo Mondi { 10132de6bb97SJacopo Mondi if (ov5640_is_csi2(sensor)) 10142de6bb97SJacopo Mondi return &mode->csi2_timings; 10152de6bb97SJacopo Mondi 10162de6bb97SJacopo Mondi return &mode->dvp_timings; 10172de6bb97SJacopo Mondi } 10182de6bb97SJacopo Mondi 101919a81c14SSteve Longerbeam static int ov5640_init_slave_id(struct ov5640_dev *sensor) 102019a81c14SSteve Longerbeam { 102119a81c14SSteve Longerbeam struct i2c_client *client = sensor->i2c_client; 102219a81c14SSteve Longerbeam struct i2c_msg msg; 102319a81c14SSteve Longerbeam u8 buf[3]; 102419a81c14SSteve Longerbeam int ret; 102519a81c14SSteve Longerbeam 102619a81c14SSteve Longerbeam if (client->addr == OV5640_DEFAULT_SLAVE_ID) 102719a81c14SSteve Longerbeam return 0; 102819a81c14SSteve Longerbeam 102919a81c14SSteve Longerbeam buf[0] = OV5640_REG_SLAVE_ID >> 8; 103019a81c14SSteve Longerbeam buf[1] = OV5640_REG_SLAVE_ID & 0xff; 103119a81c14SSteve Longerbeam buf[2] = client->addr << 1; 103219a81c14SSteve Longerbeam 103319a81c14SSteve Longerbeam msg.addr = OV5640_DEFAULT_SLAVE_ID; 103419a81c14SSteve Longerbeam msg.flags = 0; 103519a81c14SSteve Longerbeam msg.buf = buf; 103619a81c14SSteve Longerbeam msg.len = sizeof(buf); 103719a81c14SSteve Longerbeam 103819a81c14SSteve Longerbeam ret = i2c_transfer(client->adapter, &msg, 1); 103919a81c14SSteve Longerbeam if (ret < 0) { 104019a81c14SSteve Longerbeam dev_err(&client->dev, "%s: failed with %d\n", __func__, ret); 104119a81c14SSteve Longerbeam return ret; 104219a81c14SSteve Longerbeam } 104319a81c14SSteve Longerbeam 104419a81c14SSteve Longerbeam return 0; 104519a81c14SSteve Longerbeam } 104619a81c14SSteve Longerbeam 104719a81c14SSteve Longerbeam static int ov5640_write_reg(struct ov5640_dev *sensor, u16 reg, u8 val) 104819a81c14SSteve Longerbeam { 104919a81c14SSteve Longerbeam struct i2c_client *client = sensor->i2c_client; 105019a81c14SSteve Longerbeam struct i2c_msg msg; 105119a81c14SSteve Longerbeam u8 buf[3]; 105219a81c14SSteve Longerbeam int ret; 105319a81c14SSteve Longerbeam 105419a81c14SSteve Longerbeam buf[0] = reg >> 8; 105519a81c14SSteve Longerbeam buf[1] = reg & 0xff; 105619a81c14SSteve Longerbeam buf[2] = val; 105719a81c14SSteve Longerbeam 105819a81c14SSteve Longerbeam msg.addr = client->addr; 105919a81c14SSteve Longerbeam msg.flags = client->flags; 106019a81c14SSteve Longerbeam msg.buf = buf; 106119a81c14SSteve Longerbeam msg.len = sizeof(buf); 106219a81c14SSteve Longerbeam 106319a81c14SSteve Longerbeam ret = i2c_transfer(client->adapter, &msg, 1); 106419a81c14SSteve Longerbeam if (ret < 0) { 10653924c623SHugues Fruchet dev_err(&client->dev, "%s: error: reg=%x, val=%x\n", 106619a81c14SSteve Longerbeam __func__, reg, val); 106719a81c14SSteve Longerbeam return ret; 106819a81c14SSteve Longerbeam } 106919a81c14SSteve Longerbeam 107019a81c14SSteve Longerbeam return 0; 107119a81c14SSteve Longerbeam } 107219a81c14SSteve Longerbeam 107319a81c14SSteve Longerbeam static int ov5640_read_reg(struct ov5640_dev *sensor, u16 reg, u8 *val) 107419a81c14SSteve Longerbeam { 107519a81c14SSteve Longerbeam struct i2c_client *client = sensor->i2c_client; 107619a81c14SSteve Longerbeam struct i2c_msg msg[2]; 107719a81c14SSteve Longerbeam u8 buf[2]; 107819a81c14SSteve Longerbeam int ret; 107919a81c14SSteve Longerbeam 108019a81c14SSteve Longerbeam buf[0] = reg >> 8; 108119a81c14SSteve Longerbeam buf[1] = reg & 0xff; 108219a81c14SSteve Longerbeam 108319a81c14SSteve Longerbeam msg[0].addr = client->addr; 108419a81c14SSteve Longerbeam msg[0].flags = client->flags; 108519a81c14SSteve Longerbeam msg[0].buf = buf; 108619a81c14SSteve Longerbeam msg[0].len = sizeof(buf); 108719a81c14SSteve Longerbeam 108819a81c14SSteve Longerbeam msg[1].addr = client->addr; 108919a81c14SSteve Longerbeam msg[1].flags = client->flags | I2C_M_RD; 109019a81c14SSteve Longerbeam msg[1].buf = buf; 109119a81c14SSteve Longerbeam msg[1].len = 1; 109219a81c14SSteve Longerbeam 109319a81c14SSteve Longerbeam ret = i2c_transfer(client->adapter, msg, 2); 10943924c623SHugues Fruchet if (ret < 0) { 10953924c623SHugues Fruchet dev_err(&client->dev, "%s: error: reg=%x\n", 10963924c623SHugues Fruchet __func__, reg); 109719a81c14SSteve Longerbeam return ret; 10983924c623SHugues Fruchet } 109919a81c14SSteve Longerbeam 110019a81c14SSteve Longerbeam *val = buf[0]; 110119a81c14SSteve Longerbeam return 0; 110219a81c14SSteve Longerbeam } 110319a81c14SSteve Longerbeam 110419a81c14SSteve Longerbeam static int ov5640_read_reg16(struct ov5640_dev *sensor, u16 reg, u16 *val) 110519a81c14SSteve Longerbeam { 110619a81c14SSteve Longerbeam u8 hi, lo; 110719a81c14SSteve Longerbeam int ret; 110819a81c14SSteve Longerbeam 110919a81c14SSteve Longerbeam ret = ov5640_read_reg(sensor, reg, &hi); 111019a81c14SSteve Longerbeam if (ret) 111119a81c14SSteve Longerbeam return ret; 111219a81c14SSteve Longerbeam ret = ov5640_read_reg(sensor, reg + 1, &lo); 111319a81c14SSteve Longerbeam if (ret) 111419a81c14SSteve Longerbeam return ret; 111519a81c14SSteve Longerbeam 111619a81c14SSteve Longerbeam *val = ((u16)hi << 8) | (u16)lo; 111719a81c14SSteve Longerbeam return 0; 111819a81c14SSteve Longerbeam } 111919a81c14SSteve Longerbeam 112019a81c14SSteve Longerbeam static int ov5640_write_reg16(struct ov5640_dev *sensor, u16 reg, u16 val) 112119a81c14SSteve Longerbeam { 112219a81c14SSteve Longerbeam int ret; 112319a81c14SSteve Longerbeam 112419a81c14SSteve Longerbeam ret = ov5640_write_reg(sensor, reg, val >> 8); 112519a81c14SSteve Longerbeam if (ret) 112619a81c14SSteve Longerbeam return ret; 112719a81c14SSteve Longerbeam 112819a81c14SSteve Longerbeam return ov5640_write_reg(sensor, reg + 1, val & 0xff); 112919a81c14SSteve Longerbeam } 113019a81c14SSteve Longerbeam 113119a81c14SSteve Longerbeam static int ov5640_mod_reg(struct ov5640_dev *sensor, u16 reg, 113219a81c14SSteve Longerbeam u8 mask, u8 val) 113319a81c14SSteve Longerbeam { 113419a81c14SSteve Longerbeam u8 readval; 113519a81c14SSteve Longerbeam int ret; 113619a81c14SSteve Longerbeam 113719a81c14SSteve Longerbeam ret = ov5640_read_reg(sensor, reg, &readval); 113819a81c14SSteve Longerbeam if (ret) 113919a81c14SSteve Longerbeam return ret; 114019a81c14SSteve Longerbeam 114119a81c14SSteve Longerbeam readval &= ~mask; 114219a81c14SSteve Longerbeam val &= mask; 114319a81c14SSteve Longerbeam val |= readval; 114419a81c14SSteve Longerbeam 114519a81c14SSteve Longerbeam return ov5640_write_reg(sensor, reg, val); 114619a81c14SSteve Longerbeam } 114719a81c14SSteve Longerbeam 1148aa288248SMaxime Ripard /* 1149aa288248SMaxime Ripard * After trying the various combinations, reading various 1150f8a7647dSMauro Carvalho Chehab * documentations spread around the net, and from the various 1151aa288248SMaxime Ripard * feedback, the clock tree is probably as follows: 1152aa288248SMaxime Ripard * 1153aa288248SMaxime Ripard * +--------------+ 1154aa288248SMaxime Ripard * | Ext. Clock | 1155aa288248SMaxime Ripard * +-+------------+ 1156aa288248SMaxime Ripard * | +----------+ 1157aa288248SMaxime Ripard * +->| PLL1 | - reg 0x3036, for the multiplier 1158aa288248SMaxime Ripard * +-+--------+ - reg 0x3037, bits 0-3 for the pre-divider 1159aa288248SMaxime Ripard * | +--------------+ 1160aa288248SMaxime Ripard * +->| System Clock | - reg 0x3035, bits 4-7 1161aa288248SMaxime Ripard * +-+------------+ 1162aa288248SMaxime Ripard * | +--------------+ 1163aa288248SMaxime Ripard * +->| MIPI Divider | - reg 0x3035, bits 0-3 1164aa288248SMaxime Ripard * | +-+------------+ 1165aa288248SMaxime Ripard * | +----------------> MIPI SCLK 1166aa288248SMaxime Ripard * | + +-----+ 1167aa288248SMaxime Ripard * | +->| / 2 |-------> MIPI BIT CLK 1168aa288248SMaxime Ripard * | +-----+ 1169aa288248SMaxime Ripard * | +--------------+ 1170aa288248SMaxime Ripard * +->| PLL Root Div | - reg 0x3037, bit 4 1171aa288248SMaxime Ripard * +-+------------+ 1172aa288248SMaxime Ripard * | +---------+ 11734c85f628SPaul Kocialkowski * +->| Bit Div | - reg 0x3034, bits 0-3 1174aa288248SMaxime Ripard * +-+-------+ 1175aa288248SMaxime Ripard * | +-------------+ 1176aa288248SMaxime Ripard * +->| SCLK Div | - reg 0x3108, bits 0-1 1177aa288248SMaxime Ripard * | +-+-----------+ 1178aa288248SMaxime Ripard * | +---------------> SCLK 1179aa288248SMaxime Ripard * | +-------------+ 1180aa288248SMaxime Ripard * +->| SCLK 2X Div | - reg 0x3108, bits 2-3 1181aa288248SMaxime Ripard * | +-+-----------+ 1182aa288248SMaxime Ripard * | +---------------> SCLK 2X 1183aa288248SMaxime Ripard * | +-------------+ 1184aa288248SMaxime Ripard * +->| PCLK Div | - reg 0x3108, bits 4-5 1185aa288248SMaxime Ripard * ++------------+ 1186aa288248SMaxime Ripard * + +-----------+ 1187aa288248SMaxime Ripard * +->| P_DIV | - reg 0x3035, bits 0-3 1188aa288248SMaxime Ripard * +-----+-----+ 1189aa288248SMaxime Ripard * +------------> PCLK 1190aa288248SMaxime Ripard * 11916c957ed7SJacopo Mondi * There seems to be also constraints: 1192aa288248SMaxime Ripard * - the PLL pre-divider output rate should be in the 4-27MHz range 1193aa288248SMaxime Ripard * - the PLL multiplier output rate should be in the 500-1000MHz range 1194aa288248SMaxime Ripard * - PCLK >= SCLK * 2 in YUV, >= SCLK in Raw or JPEG 1195aa288248SMaxime Ripard */ 1196aa288248SMaxime Ripard 1197aa288248SMaxime Ripard /* 1198aa288248SMaxime Ripard * This is supposed to be ranging from 1 to 8, but the value is always 1199aa288248SMaxime Ripard * set to 3 in the vendor kernels. 1200aa288248SMaxime Ripard */ 1201aa288248SMaxime Ripard #define OV5640_PLL_PREDIV 3 1202aa288248SMaxime Ripard 1203aa288248SMaxime Ripard #define OV5640_PLL_MULT_MIN 4 1204aa288248SMaxime Ripard #define OV5640_PLL_MULT_MAX 252 1205aa288248SMaxime Ripard 1206aa288248SMaxime Ripard /* 1207aa288248SMaxime Ripard * This is supposed to be ranging from 1 to 16, but the value is 1208aa288248SMaxime Ripard * always set to either 1 or 2 in the vendor kernels. 1209aa288248SMaxime Ripard */ 1210aa288248SMaxime Ripard #define OV5640_SYSDIV_MIN 1 1211aa288248SMaxime Ripard #define OV5640_SYSDIV_MAX 16 1212aa288248SMaxime Ripard 1213aa288248SMaxime Ripard /* 1214aa288248SMaxime Ripard * This is supposed to be ranging from 1 to 2, but the value is always 1215aa288248SMaxime Ripard * set to 2 in the vendor kernels. 1216aa288248SMaxime Ripard */ 1217aa288248SMaxime Ripard #define OV5640_PLL_ROOT_DIV 2 1218aa288248SMaxime Ripard #define OV5640_PLL_CTRL3_PLL_ROOT_DIV_2 BIT(4) 1219aa288248SMaxime Ripard 1220aa288248SMaxime Ripard /* 1221aa288248SMaxime Ripard * We only supports 8-bit formats at the moment 1222aa288248SMaxime Ripard */ 1223aa288248SMaxime Ripard #define OV5640_BIT_DIV 2 1224aa288248SMaxime Ripard #define OV5640_PLL_CTRL0_MIPI_MODE_8BIT 0x08 1225aa288248SMaxime Ripard 1226aa288248SMaxime Ripard /* 1227aa288248SMaxime Ripard * This is supposed to be ranging from 1 to 8, but the value is always 1228aa288248SMaxime Ripard * set to 2 in the vendor kernels. 1229aa288248SMaxime Ripard */ 1230aa288248SMaxime Ripard #define OV5640_SCLK_ROOT_DIV 2 1231aa288248SMaxime Ripard 1232aa288248SMaxime Ripard /* 1233aa288248SMaxime Ripard * This is hardcoded so that the consistency is maintained between SCLK and 1234aa288248SMaxime Ripard * SCLK 2x. 1235aa288248SMaxime Ripard */ 1236aa288248SMaxime Ripard #define OV5640_SCLK2X_ROOT_DIV (OV5640_SCLK_ROOT_DIV / 2) 1237aa288248SMaxime Ripard 1238aa288248SMaxime Ripard /* 1239aa288248SMaxime Ripard * This is supposed to be ranging from 1 to 8, but the value is always 1240aa288248SMaxime Ripard * set to 1 in the vendor kernels. 1241aa288248SMaxime Ripard */ 1242aa288248SMaxime Ripard #define OV5640_PCLK_ROOT_DIV 1 1243aa288248SMaxime Ripard #define OV5640_PLL_SYS_ROOT_DIVIDER_BYPASS 0x00 1244aa288248SMaxime Ripard 1245aa288248SMaxime Ripard static unsigned long ov5640_compute_sys_clk(struct ov5640_dev *sensor, 1246aa288248SMaxime Ripard u8 pll_prediv, u8 pll_mult, 1247aa288248SMaxime Ripard u8 sysdiv) 1248aa288248SMaxime Ripard { 1249aa288248SMaxime Ripard unsigned long sysclk = sensor->xclk_freq / pll_prediv * pll_mult; 1250aa288248SMaxime Ripard 1251aa288248SMaxime Ripard /* PLL1 output cannot exceed 1GHz. */ 1252aa288248SMaxime Ripard if (sysclk / 1000000 > 1000) 1253aa288248SMaxime Ripard return 0; 1254aa288248SMaxime Ripard 1255aa288248SMaxime Ripard return sysclk / sysdiv; 1256aa288248SMaxime Ripard } 1257aa288248SMaxime Ripard 1258aa288248SMaxime Ripard static unsigned long ov5640_calc_sys_clk(struct ov5640_dev *sensor, 1259aa288248SMaxime Ripard unsigned long rate, 1260aa288248SMaxime Ripard u8 *pll_prediv, u8 *pll_mult, 1261aa288248SMaxime Ripard u8 *sysdiv) 1262aa288248SMaxime Ripard { 1263aa288248SMaxime Ripard unsigned long best = ~0; 1264aa288248SMaxime Ripard u8 best_sysdiv = 1, best_mult = 1; 1265aa288248SMaxime Ripard u8 _sysdiv, _pll_mult; 1266aa288248SMaxime Ripard 1267aa288248SMaxime Ripard for (_sysdiv = OV5640_SYSDIV_MIN; 1268aa288248SMaxime Ripard _sysdiv <= OV5640_SYSDIV_MAX; 1269aa288248SMaxime Ripard _sysdiv++) { 1270aa288248SMaxime Ripard for (_pll_mult = OV5640_PLL_MULT_MIN; 1271aa288248SMaxime Ripard _pll_mult <= OV5640_PLL_MULT_MAX; 1272aa288248SMaxime Ripard _pll_mult++) { 1273aa288248SMaxime Ripard unsigned long _rate; 1274aa288248SMaxime Ripard 1275aa288248SMaxime Ripard /* 1276aa288248SMaxime Ripard * The PLL multiplier cannot be odd if above 1277aa288248SMaxime Ripard * 127. 1278aa288248SMaxime Ripard */ 1279aa288248SMaxime Ripard if (_pll_mult > 127 && (_pll_mult % 2)) 1280aa288248SMaxime Ripard continue; 1281aa288248SMaxime Ripard 1282aa288248SMaxime Ripard _rate = ov5640_compute_sys_clk(sensor, 1283aa288248SMaxime Ripard OV5640_PLL_PREDIV, 1284aa288248SMaxime Ripard _pll_mult, _sysdiv); 1285aa288248SMaxime Ripard 1286aa288248SMaxime Ripard /* 1287aa288248SMaxime Ripard * We have reached the maximum allowed PLL1 output, 1288aa288248SMaxime Ripard * increase sysdiv. 1289aa288248SMaxime Ripard */ 12902e3df204SAdam Ford if (!_rate) 1291aa288248SMaxime Ripard break; 1292aa288248SMaxime Ripard 1293aa288248SMaxime Ripard /* 1294aa288248SMaxime Ripard * Prefer rates above the expected clock rate than 1295aa288248SMaxime Ripard * below, even if that means being less precise. 1296aa288248SMaxime Ripard */ 1297aa288248SMaxime Ripard if (_rate < rate) 1298aa288248SMaxime Ripard continue; 1299aa288248SMaxime Ripard 1300aa288248SMaxime Ripard if (abs(rate - _rate) < abs(rate - best)) { 1301aa288248SMaxime Ripard best = _rate; 1302aa288248SMaxime Ripard best_sysdiv = _sysdiv; 1303aa288248SMaxime Ripard best_mult = _pll_mult; 1304aa288248SMaxime Ripard } 1305aa288248SMaxime Ripard 1306aa288248SMaxime Ripard if (_rate == rate) 1307aa288248SMaxime Ripard goto out; 1308aa288248SMaxime Ripard } 1309aa288248SMaxime Ripard } 1310aa288248SMaxime Ripard 1311aa288248SMaxime Ripard out: 1312aa288248SMaxime Ripard *sysdiv = best_sysdiv; 1313aa288248SMaxime Ripard *pll_prediv = OV5640_PLL_PREDIV; 1314aa288248SMaxime Ripard *pll_mult = best_mult; 1315aa288248SMaxime Ripard 1316aa288248SMaxime Ripard return best; 1317aa288248SMaxime Ripard } 1318aa288248SMaxime Ripard 1319aa288248SMaxime Ripard /* 1320aa288248SMaxime Ripard * ov5640_set_mipi_pclk() - Calculate the clock tree configuration values 1321aa288248SMaxime Ripard * for the MIPI CSI-2 output. 1322aa288248SMaxime Ripard */ 13236c957ed7SJacopo Mondi static int ov5640_set_mipi_pclk(struct ov5640_dev *sensor) 1324aa288248SMaxime Ripard { 13256c957ed7SJacopo Mondi u8 bit_div, mipi_div, pclk_div, sclk_div, sclk2x_div, root_div; 1326aa288248SMaxime Ripard u8 prediv, mult, sysdiv; 13276c957ed7SJacopo Mondi unsigned long link_freq; 13286c957ed7SJacopo Mondi unsigned long sysclk; 13296c957ed7SJacopo Mondi u8 pclk_period; 13306c957ed7SJacopo Mondi u32 sample_rate; 13316c957ed7SJacopo Mondi u32 num_lanes; 1332aa288248SMaxime Ripard int ret; 1333aa288248SMaxime Ripard 13346c957ed7SJacopo Mondi /* Use the link freq computed at ov5640_update_pixel_rate() time. */ 13356c957ed7SJacopo Mondi link_freq = sensor->current_link_freq; 13366c957ed7SJacopo Mondi 1337aa288248SMaxime Ripard /* 13386c957ed7SJacopo Mondi * - mipi_div - Additional divider for the MIPI lane clock. 13396c957ed7SJacopo Mondi * 13406c957ed7SJacopo Mondi * Higher link frequencies would make sysclk > 1GHz. 13416c957ed7SJacopo Mondi * Keep the sysclk low and do not divide in the MIPI domain. 1342aa288248SMaxime Ripard */ 13436c957ed7SJacopo Mondi if (link_freq > OV5640_LINK_RATE_MAX) 13446c957ed7SJacopo Mondi mipi_div = 1; 1345aa288248SMaxime Ripard else 13466c957ed7SJacopo Mondi mipi_div = 2; 1347aa288248SMaxime Ripard 13486c957ed7SJacopo Mondi sysclk = link_freq * mipi_div; 13496c957ed7SJacopo Mondi ov5640_calc_sys_clk(sensor, sysclk, &prediv, &mult, &sysdiv); 1350aa288248SMaxime Ripard 13516c957ed7SJacopo Mondi /* 13526c957ed7SJacopo Mondi * Adjust PLL parameters to maintain the MIPI_SCLK-to-PCLK ratio. 13536c957ed7SJacopo Mondi * 13546c957ed7SJacopo Mondi * - root_div = 2 (fixed) 13556c957ed7SJacopo Mondi * - bit_div : MIPI 8-bit = 2; MIPI 10-bit = 2.5 13566c957ed7SJacopo Mondi * - pclk_div = 1 (fixed) 13576c957ed7SJacopo Mondi * - p_div = (2 lanes ? mipi_div : 2 * mipi_div) 13586c957ed7SJacopo Mondi * 13596c957ed7SJacopo Mondi * This results in the following MIPI_SCLK depending on the number 13606c957ed7SJacopo Mondi * of lanes: 13616c957ed7SJacopo Mondi * 13626c957ed7SJacopo Mondi * - 2 lanes: MIPI_SCLK = (4 or 5) * PCLK 13636c957ed7SJacopo Mondi * - 1 lanes: MIPI_SCLK = (8 or 10) * PCLK 13646c957ed7SJacopo Mondi */ 13656c957ed7SJacopo Mondi root_div = OV5640_PLL_CTRL3_PLL_ROOT_DIV_2; 13666c957ed7SJacopo Mondi bit_div = OV5640_PLL_CTRL0_MIPI_MODE_8BIT; 13676c957ed7SJacopo Mondi pclk_div = ilog2(OV5640_PCLK_ROOT_DIV); 1368aa288248SMaxime Ripard 13696c957ed7SJacopo Mondi /* 13706c957ed7SJacopo Mondi * Scaler clock: 13716c957ed7SJacopo Mondi * - YUV: PCLK >= 2 * SCLK 13726c957ed7SJacopo Mondi * - RAW or JPEG: PCLK >= SCLK 13736c957ed7SJacopo Mondi * - sclk2x_div = sclk_div / 2 13746c957ed7SJacopo Mondi */ 13756c957ed7SJacopo Mondi sclk_div = ilog2(OV5640_SCLK_ROOT_DIV); 13766c957ed7SJacopo Mondi sclk2x_div = ilog2(OV5640_SCLK2X_ROOT_DIV); 13776c957ed7SJacopo Mondi 13786c957ed7SJacopo Mondi /* 13796c957ed7SJacopo Mondi * Set the pixel clock period expressed in ns with 1-bit decimal 13806c957ed7SJacopo Mondi * (0x01=0.5ns). 13816c957ed7SJacopo Mondi * 13826c957ed7SJacopo Mondi * The register is very briefly documented. In the OV5645 datasheet it 13836c957ed7SJacopo Mondi * is described as (2 * pclk period), and from testing it seems the 13846c957ed7SJacopo Mondi * actual definition is 2 * 8-bit sample period. 13856c957ed7SJacopo Mondi * 13866c957ed7SJacopo Mondi * 2 * sample_period = (mipi_clk * 2 * num_lanes / bpp) * (bpp / 8) / 2 13876c957ed7SJacopo Mondi */ 13886c957ed7SJacopo Mondi num_lanes = sensor->ep.bus.mipi_csi2.num_data_lanes; 13896c957ed7SJacopo Mondi sample_rate = (link_freq * mipi_div * num_lanes * 2) / 16; 13906c957ed7SJacopo Mondi pclk_period = 2000000000UL / sample_rate; 13916c957ed7SJacopo Mondi 13926c957ed7SJacopo Mondi /* Program the clock tree registers. */ 13936c957ed7SJacopo Mondi ret = ov5640_mod_reg(sensor, OV5640_REG_SC_PLL_CTRL0, 0x0f, bit_div); 13946c957ed7SJacopo Mondi if (ret) 13956c957ed7SJacopo Mondi return ret; 13966c957ed7SJacopo Mondi 13976c957ed7SJacopo Mondi ret = ov5640_mod_reg(sensor, OV5640_REG_SC_PLL_CTRL1, 0xff, 13986c957ed7SJacopo Mondi (sysdiv << 4) | mipi_div); 1399aa288248SMaxime Ripard if (ret) 1400aa288248SMaxime Ripard return ret; 1401aa288248SMaxime Ripard 1402aa288248SMaxime Ripard ret = ov5640_mod_reg(sensor, OV5640_REG_SC_PLL_CTRL2, 0xff, mult); 1403aa288248SMaxime Ripard if (ret) 1404aa288248SMaxime Ripard return ret; 1405aa288248SMaxime Ripard 14066c957ed7SJacopo Mondi ret = ov5640_mod_reg(sensor, OV5640_REG_SC_PLL_CTRL3, 0x1f, 14076c957ed7SJacopo Mondi root_div | prediv); 1408aa288248SMaxime Ripard if (ret) 1409aa288248SMaxime Ripard return ret; 1410aa288248SMaxime Ripard 14116c957ed7SJacopo Mondi ret = ov5640_mod_reg(sensor, OV5640_REG_SYS_ROOT_DIVIDER, 0x3f, 14126c957ed7SJacopo Mondi (pclk_div << 4) | (sclk2x_div << 2) | sclk_div); 14136c957ed7SJacopo Mondi if (ret) 14146c957ed7SJacopo Mondi return ret; 14156c957ed7SJacopo Mondi 14166c957ed7SJacopo Mondi return ov5640_write_reg(sensor, OV5640_REG_PCLK_PERIOD, pclk_period); 14176c957ed7SJacopo Mondi } 14186c957ed7SJacopo Mondi 14196c957ed7SJacopo Mondi static u32 ov5640_calc_pixel_rate(struct ov5640_dev *sensor) 14206c957ed7SJacopo Mondi { 14213145efcdSJacopo Mondi const struct ov5640_mode_info *mode = sensor->current_mode; 14225113d5b3SJacopo Mondi const struct ov5640_timings *timings = &mode->dvp_timings; 14236c957ed7SJacopo Mondi u32 rate; 14246c957ed7SJacopo Mondi 14255113d5b3SJacopo Mondi rate = timings->htot * (timings->crop.height + timings->vblank_def); 14266c957ed7SJacopo Mondi rate *= ov5640_framerates[sensor->current_fr]; 14276c957ed7SJacopo Mondi 14286c957ed7SJacopo Mondi return rate; 1429aa288248SMaxime Ripard } 1430aa288248SMaxime Ripard 1431aa288248SMaxime Ripard static unsigned long ov5640_calc_pclk(struct ov5640_dev *sensor, 1432aa288248SMaxime Ripard unsigned long rate, 1433aa288248SMaxime Ripard u8 *pll_prediv, u8 *pll_mult, u8 *sysdiv, 1434aa288248SMaxime Ripard u8 *pll_rdiv, u8 *bit_div, u8 *pclk_div) 1435aa288248SMaxime Ripard { 1436aa288248SMaxime Ripard unsigned long _rate = rate * OV5640_PLL_ROOT_DIV * OV5640_BIT_DIV * 1437aa288248SMaxime Ripard OV5640_PCLK_ROOT_DIV; 1438aa288248SMaxime Ripard 1439aa288248SMaxime Ripard _rate = ov5640_calc_sys_clk(sensor, _rate, pll_prediv, pll_mult, 1440aa288248SMaxime Ripard sysdiv); 1441aa288248SMaxime Ripard *pll_rdiv = OV5640_PLL_ROOT_DIV; 1442aa288248SMaxime Ripard *bit_div = OV5640_BIT_DIV; 1443aa288248SMaxime Ripard *pclk_div = OV5640_PCLK_ROOT_DIV; 1444aa288248SMaxime Ripard 1445aa288248SMaxime Ripard return _rate / *pll_rdiv / *bit_div / *pclk_div; 1446aa288248SMaxime Ripard } 1447aa288248SMaxime Ripard 14486c957ed7SJacopo Mondi static int ov5640_set_dvp_pclk(struct ov5640_dev *sensor) 1449aa288248SMaxime Ripard { 1450aa288248SMaxime Ripard u8 prediv, mult, sysdiv, pll_rdiv, bit_div, pclk_div; 14516c957ed7SJacopo Mondi u32 rate; 1452aa288248SMaxime Ripard int ret; 1453aa288248SMaxime Ripard 14546c957ed7SJacopo Mondi rate = ov5640_calc_pixel_rate(sensor); 14556c957ed7SJacopo Mondi rate *= ov5640_code_to_bpp(sensor->fmt.code); 14566c957ed7SJacopo Mondi rate /= sensor->ep.bus.parallel.bus_width; 14576c957ed7SJacopo Mondi 1458aa288248SMaxime Ripard ov5640_calc_pclk(sensor, rate, &prediv, &mult, &sysdiv, &pll_rdiv, 1459aa288248SMaxime Ripard &bit_div, &pclk_div); 1460aa288248SMaxime Ripard 1461aa288248SMaxime Ripard if (bit_div == 2) 1462aa288248SMaxime Ripard bit_div = 8; 1463aa288248SMaxime Ripard 1464aa288248SMaxime Ripard ret = ov5640_mod_reg(sensor, OV5640_REG_SC_PLL_CTRL0, 1465aa288248SMaxime Ripard 0x0f, bit_div); 1466aa288248SMaxime Ripard if (ret) 1467aa288248SMaxime Ripard return ret; 1468aa288248SMaxime Ripard 1469aa288248SMaxime Ripard /* 1470aa288248SMaxime Ripard * We need to set sysdiv according to the clock, and to clear 1471aa288248SMaxime Ripard * the MIPI divider. 1472aa288248SMaxime Ripard */ 1473aa288248SMaxime Ripard ret = ov5640_mod_reg(sensor, OV5640_REG_SC_PLL_CTRL1, 1474aa288248SMaxime Ripard 0xff, sysdiv << 4); 1475aa288248SMaxime Ripard if (ret) 1476aa288248SMaxime Ripard return ret; 1477aa288248SMaxime Ripard 1478aa288248SMaxime Ripard ret = ov5640_mod_reg(sensor, OV5640_REG_SC_PLL_CTRL2, 1479aa288248SMaxime Ripard 0xff, mult); 1480aa288248SMaxime Ripard if (ret) 1481aa288248SMaxime Ripard return ret; 1482aa288248SMaxime Ripard 1483aa288248SMaxime Ripard ret = ov5640_mod_reg(sensor, OV5640_REG_SC_PLL_CTRL3, 1484aa288248SMaxime Ripard 0x1f, prediv | ((pll_rdiv - 1) << 4)); 1485aa288248SMaxime Ripard if (ret) 1486aa288248SMaxime Ripard return ret; 1487aa288248SMaxime Ripard 1488aa288248SMaxime Ripard return ov5640_mod_reg(sensor, OV5640_REG_SYS_ROOT_DIVIDER, 0x30, 1489aa288248SMaxime Ripard (ilog2(pclk_div) << 4)); 1490aa288248SMaxime Ripard } 1491aa288248SMaxime Ripard 14927cb013b1SChen-Yu Tsai /* set JPEG framing sizes */ 14937cb013b1SChen-Yu Tsai static int ov5640_set_jpeg_timings(struct ov5640_dev *sensor, 14947cb013b1SChen-Yu Tsai const struct ov5640_mode_info *mode) 14957cb013b1SChen-Yu Tsai { 14967cb013b1SChen-Yu Tsai int ret; 14977cb013b1SChen-Yu Tsai 14982b5c18f9SChen-Yu Tsai /* 14992b5c18f9SChen-Yu Tsai * compression mode 3 timing 15002b5c18f9SChen-Yu Tsai * 15012b5c18f9SChen-Yu Tsai * Data is transmitted with programmable width (VFIFO_HSIZE). 15022b5c18f9SChen-Yu Tsai * No padding done. Last line may have less data. Varying 15032b5c18f9SChen-Yu Tsai * number of lines per frame, depending on amount of data. 15042b5c18f9SChen-Yu Tsai */ 15052b5c18f9SChen-Yu Tsai ret = ov5640_mod_reg(sensor, OV5640_REG_JPG_MODE_SELECT, 0x7, 0x3); 15062b5c18f9SChen-Yu Tsai if (ret < 0) 15072b5c18f9SChen-Yu Tsai return ret; 15082b5c18f9SChen-Yu Tsai 15095113d5b3SJacopo Mondi ret = ov5640_write_reg16(sensor, OV5640_REG_VFIFO_HSIZE, mode->width); 15107cb013b1SChen-Yu Tsai if (ret < 0) 15117cb013b1SChen-Yu Tsai return ret; 15127cb013b1SChen-Yu Tsai 15135113d5b3SJacopo Mondi return ov5640_write_reg16(sensor, OV5640_REG_VFIFO_VSIZE, mode->height); 15147cb013b1SChen-Yu Tsai } 15157cb013b1SChen-Yu Tsai 151619a81c14SSteve Longerbeam /* download ov5640 settings to sensor through i2c */ 1517bad1774eSJacopo Mondi static int ov5640_set_timings(struct ov5640_dev *sensor, 1518bad1774eSJacopo Mondi const struct ov5640_mode_info *mode) 1519bad1774eSJacopo Mondi { 15205113d5b3SJacopo Mondi const struct ov5640_timings *timings; 15215113d5b3SJacopo Mondi const struct v4l2_rect *analog_crop; 15225113d5b3SJacopo Mondi const struct v4l2_rect *crop; 1523bad1774eSJacopo Mondi int ret; 1524bad1774eSJacopo Mondi 15257cb013b1SChen-Yu Tsai if (sensor->fmt.code == MEDIA_BUS_FMT_JPEG_1X8) { 15267cb013b1SChen-Yu Tsai ret = ov5640_set_jpeg_timings(sensor, mode); 15277cb013b1SChen-Yu Tsai if (ret < 0) 15287cb013b1SChen-Yu Tsai return ret; 15297cb013b1SChen-Yu Tsai } 15307cb013b1SChen-Yu Tsai 15312de6bb97SJacopo Mondi timings = ov5640_timings(sensor, mode); 15325113d5b3SJacopo Mondi analog_crop = &timings->analog_crop; 15335113d5b3SJacopo Mondi crop = &timings->crop; 15345113d5b3SJacopo Mondi 15353145efcdSJacopo Mondi ret = ov5640_write_reg16(sensor, OV5640_REG_TIMING_HS, 15363145efcdSJacopo Mondi analog_crop->left); 1537bad1774eSJacopo Mondi if (ret < 0) 1538bad1774eSJacopo Mondi return ret; 1539bad1774eSJacopo Mondi 15403145efcdSJacopo Mondi ret = ov5640_write_reg16(sensor, OV5640_REG_TIMING_VS, 15413145efcdSJacopo Mondi analog_crop->top); 15423145efcdSJacopo Mondi if (ret < 0) 15433145efcdSJacopo Mondi return ret; 15443145efcdSJacopo Mondi 15453145efcdSJacopo Mondi ret = ov5640_write_reg16(sensor, OV5640_REG_TIMING_HW, 15463145efcdSJacopo Mondi analog_crop->left + analog_crop->width - 1); 15473145efcdSJacopo Mondi if (ret < 0) 15483145efcdSJacopo Mondi return ret; 15493145efcdSJacopo Mondi 15503145efcdSJacopo Mondi ret = ov5640_write_reg16(sensor, OV5640_REG_TIMING_VH, 15513145efcdSJacopo Mondi analog_crop->top + analog_crop->height - 1); 15523145efcdSJacopo Mondi if (ret < 0) 15533145efcdSJacopo Mondi return ret; 15543145efcdSJacopo Mondi 15553145efcdSJacopo Mondi ret = ov5640_write_reg16(sensor, OV5640_REG_TIMING_HOFFS, crop->left); 15563145efcdSJacopo Mondi if (ret < 0) 15573145efcdSJacopo Mondi return ret; 15583145efcdSJacopo Mondi 15593145efcdSJacopo Mondi ret = ov5640_write_reg16(sensor, OV5640_REG_TIMING_VOFFS, crop->top); 15603145efcdSJacopo Mondi if (ret < 0) 15613145efcdSJacopo Mondi return ret; 15623145efcdSJacopo Mondi 15635113d5b3SJacopo Mondi ret = ov5640_write_reg16(sensor, OV5640_REG_TIMING_DVPHO, mode->width); 15643145efcdSJacopo Mondi if (ret < 0) 15653145efcdSJacopo Mondi return ret; 15663145efcdSJacopo Mondi 15675113d5b3SJacopo Mondi ret = ov5640_write_reg16(sensor, OV5640_REG_TIMING_DVPVO, mode->height); 1568bad1774eSJacopo Mondi if (ret < 0) 1569bad1774eSJacopo Mondi return ret; 1570bad1774eSJacopo Mondi 15715113d5b3SJacopo Mondi ret = ov5640_write_reg16(sensor, OV5640_REG_TIMING_HTS, timings->htot); 1572bad1774eSJacopo Mondi if (ret < 0) 1573bad1774eSJacopo Mondi return ret; 1574bad1774eSJacopo Mondi 15753145efcdSJacopo Mondi ret = ov5640_write_reg16(sensor, OV5640_REG_TIMING_VTS, 15765113d5b3SJacopo Mondi mode->height + timings->vblank_def); 15773145efcdSJacopo Mondi if (ret < 0) 15783145efcdSJacopo Mondi return ret; 15793145efcdSJacopo Mondi 15803145efcdSJacopo Mondi return 0; 1581bad1774eSJacopo Mondi } 1582bad1774eSJacopo Mondi 1583e4359019SJacopo Mondi static void ov5640_load_regs(struct ov5640_dev *sensor, 1584e4359019SJacopo Mondi const struct reg_value *regs, unsigned int regnum) 158519a81c14SSteve Longerbeam { 158619a81c14SSteve Longerbeam unsigned int i; 158719a81c14SSteve Longerbeam u32 delay_ms; 158819a81c14SSteve Longerbeam u16 reg_addr; 158919a81c14SSteve Longerbeam u8 mask, val; 159019a81c14SSteve Longerbeam int ret = 0; 159119a81c14SSteve Longerbeam 1592e4359019SJacopo Mondi for (i = 0; i < regnum; ++i, ++regs) { 159319a81c14SSteve Longerbeam delay_ms = regs->delay_ms; 159419a81c14SSteve Longerbeam reg_addr = regs->reg_addr; 159519a81c14SSteve Longerbeam val = regs->val; 159619a81c14SSteve Longerbeam mask = regs->mask; 159719a81c14SSteve Longerbeam 15983b987d70SLad Prabhakar /* remain in power down mode for DVP */ 15993b987d70SLad Prabhakar if (regs->reg_addr == OV5640_REG_SYS_CTRL0 && 16003b987d70SLad Prabhakar val == OV5640_REG_SYS_CTRL0_SW_PWUP && 16018e823f5cSJacopo Mondi !ov5640_is_csi2(sensor)) 16023b987d70SLad Prabhakar continue; 16033b987d70SLad Prabhakar 160419a81c14SSteve Longerbeam if (mask) 160519a81c14SSteve Longerbeam ret = ov5640_mod_reg(sensor, reg_addr, mask, val); 160619a81c14SSteve Longerbeam else 160719a81c14SSteve Longerbeam ret = ov5640_write_reg(sensor, reg_addr, val); 160819a81c14SSteve Longerbeam if (ret) 160919a81c14SSteve Longerbeam break; 161019a81c14SSteve Longerbeam 161119a81c14SSteve Longerbeam if (delay_ms) 161219a81c14SSteve Longerbeam usleep_range(1000 * delay_ms, 1000 * delay_ms + 100); 161319a81c14SSteve Longerbeam } 161419a81c14SSteve Longerbeam } 161519a81c14SSteve Longerbeam 1616dc29a1c1SHugues Fruchet static int ov5640_set_autoexposure(struct ov5640_dev *sensor, bool on) 1617dc29a1c1SHugues Fruchet { 1618dc29a1c1SHugues Fruchet return ov5640_mod_reg(sensor, OV5640_REG_AEC_PK_MANUAL, 1619dc29a1c1SHugues Fruchet BIT(0), on ? 0 : BIT(0)); 1620dc29a1c1SHugues Fruchet } 1621dc29a1c1SHugues Fruchet 162219a81c14SSteve Longerbeam /* read exposure, in number of line periods */ 162319a81c14SSteve Longerbeam static int ov5640_get_exposure(struct ov5640_dev *sensor) 162419a81c14SSteve Longerbeam { 162519a81c14SSteve Longerbeam int exp, ret; 162619a81c14SSteve Longerbeam u8 temp; 162719a81c14SSteve Longerbeam 162819a81c14SSteve Longerbeam ret = ov5640_read_reg(sensor, OV5640_REG_AEC_PK_EXPOSURE_HI, &temp); 162919a81c14SSteve Longerbeam if (ret) 163019a81c14SSteve Longerbeam return ret; 163119a81c14SSteve Longerbeam exp = ((int)temp & 0x0f) << 16; 163219a81c14SSteve Longerbeam ret = ov5640_read_reg(sensor, OV5640_REG_AEC_PK_EXPOSURE_MED, &temp); 163319a81c14SSteve Longerbeam if (ret) 163419a81c14SSteve Longerbeam return ret; 163519a81c14SSteve Longerbeam exp |= ((int)temp << 8); 163619a81c14SSteve Longerbeam ret = ov5640_read_reg(sensor, OV5640_REG_AEC_PK_EXPOSURE_LO, &temp); 163719a81c14SSteve Longerbeam if (ret) 163819a81c14SSteve Longerbeam return ret; 163919a81c14SSteve Longerbeam exp |= (int)temp; 164019a81c14SSteve Longerbeam 164119a81c14SSteve Longerbeam return exp >> 4; 164219a81c14SSteve Longerbeam } 164319a81c14SSteve Longerbeam 164419a81c14SSteve Longerbeam /* write exposure, given number of line periods */ 164519a81c14SSteve Longerbeam static int ov5640_set_exposure(struct ov5640_dev *sensor, u32 exposure) 164619a81c14SSteve Longerbeam { 164719a81c14SSteve Longerbeam int ret; 164819a81c14SSteve Longerbeam 164919a81c14SSteve Longerbeam exposure <<= 4; 165019a81c14SSteve Longerbeam 165119a81c14SSteve Longerbeam ret = ov5640_write_reg(sensor, 165219a81c14SSteve Longerbeam OV5640_REG_AEC_PK_EXPOSURE_LO, 165319a81c14SSteve Longerbeam exposure & 0xff); 165419a81c14SSteve Longerbeam if (ret) 165519a81c14SSteve Longerbeam return ret; 165619a81c14SSteve Longerbeam ret = ov5640_write_reg(sensor, 165719a81c14SSteve Longerbeam OV5640_REG_AEC_PK_EXPOSURE_MED, 165819a81c14SSteve Longerbeam (exposure >> 8) & 0xff); 165919a81c14SSteve Longerbeam if (ret) 166019a81c14SSteve Longerbeam return ret; 166119a81c14SSteve Longerbeam return ov5640_write_reg(sensor, 166219a81c14SSteve Longerbeam OV5640_REG_AEC_PK_EXPOSURE_HI, 166319a81c14SSteve Longerbeam (exposure >> 16) & 0x0f); 166419a81c14SSteve Longerbeam } 166519a81c14SSteve Longerbeam 166619a81c14SSteve Longerbeam static int ov5640_get_gain(struct ov5640_dev *sensor) 166719a81c14SSteve Longerbeam { 166819a81c14SSteve Longerbeam u16 gain; 166919a81c14SSteve Longerbeam int ret; 167019a81c14SSteve Longerbeam 167119a81c14SSteve Longerbeam ret = ov5640_read_reg16(sensor, OV5640_REG_AEC_PK_REAL_GAIN, &gain); 167219a81c14SSteve Longerbeam if (ret) 167319a81c14SSteve Longerbeam return ret; 167419a81c14SSteve Longerbeam 167519a81c14SSteve Longerbeam return gain & 0x3ff; 167619a81c14SSteve Longerbeam } 167719a81c14SSteve Longerbeam 16783cca8ef5SHugues Fruchet static int ov5640_set_gain(struct ov5640_dev *sensor, int gain) 16793cca8ef5SHugues Fruchet { 16803cca8ef5SHugues Fruchet return ov5640_write_reg16(sensor, OV5640_REG_AEC_PK_REAL_GAIN, 16813cca8ef5SHugues Fruchet (u16)gain & 0x3ff); 16823cca8ef5SHugues Fruchet } 16833cca8ef5SHugues Fruchet 16843cca8ef5SHugues Fruchet static int ov5640_set_autogain(struct ov5640_dev *sensor, bool on) 16853cca8ef5SHugues Fruchet { 16863cca8ef5SHugues Fruchet return ov5640_mod_reg(sensor, OV5640_REG_AEC_PK_MANUAL, 16873cca8ef5SHugues Fruchet BIT(1), on ? 0 : BIT(1)); 16883cca8ef5SHugues Fruchet } 16893cca8ef5SHugues Fruchet 1690f22996dbSHugues Fruchet static int ov5640_set_stream_dvp(struct ov5640_dev *sensor, bool on) 1691f22996dbSHugues Fruchet { 16923b987d70SLad Prabhakar return ov5640_write_reg(sensor, OV5640_REG_SYS_CTRL0, on ? 16933b987d70SLad Prabhakar OV5640_REG_SYS_CTRL0_SW_PWUP : 16943b987d70SLad Prabhakar OV5640_REG_SYS_CTRL0_SW_PWDN); 1695f22996dbSHugues Fruchet } 1696f22996dbSHugues Fruchet 1697f22996dbSHugues Fruchet static int ov5640_set_stream_mipi(struct ov5640_dev *sensor, bool on) 169819a81c14SSteve Longerbeam { 169919a81c14SSteve Longerbeam int ret; 170019a81c14SSteve Longerbeam 1701aa4bb8b8SJacopo Mondi /* 1702aa4bb8b8SJacopo Mondi * Enable/disable the MIPI interface 1703aa4bb8b8SJacopo Mondi * 1704aa4bb8b8SJacopo Mondi * 0x300e = on ? 0x45 : 0x40 1705aa4bb8b8SJacopo Mondi * 1706aa4bb8b8SJacopo Mondi * FIXME: the sensor manual (version 2.03) reports 1707aa4bb8b8SJacopo Mondi * [7:5] = 000 : 1 data lane mode 1708aa4bb8b8SJacopo Mondi * [7:5] = 001 : 2 data lanes mode 1709aa4bb8b8SJacopo Mondi * But this settings do not work, while the following ones 1710aa4bb8b8SJacopo Mondi * have been validated for 2 data lanes mode. 1711aa4bb8b8SJacopo Mondi * 1712aa4bb8b8SJacopo Mondi * [7:5] = 010 : 2 data lanes mode 1713aa4bb8b8SJacopo Mondi * [4] = 0 : Power up MIPI HS Tx 1714aa4bb8b8SJacopo Mondi * [3] = 0 : Power up MIPI LS Rx 1715aa4bb8b8SJacopo Mondi * [2] = 1/0 : MIPI interface enable/disable 1716aa4bb8b8SJacopo Mondi * [1:0] = 01/00: FIXME: 'debug' 1717aa4bb8b8SJacopo Mondi */ 1718aa4bb8b8SJacopo Mondi ret = ov5640_write_reg(sensor, OV5640_REG_IO_MIPI_CTRL00, 1719aa4bb8b8SJacopo Mondi on ? 0x45 : 0x40); 172019a81c14SSteve Longerbeam if (ret) 172119a81c14SSteve Longerbeam return ret; 172219a81c14SSteve Longerbeam 172319a81c14SSteve Longerbeam return ov5640_write_reg(sensor, OV5640_REG_FRAME_CTRL01, 172419a81c14SSteve Longerbeam on ? 0x00 : 0x0f); 172519a81c14SSteve Longerbeam } 172619a81c14SSteve Longerbeam 172719a81c14SSteve Longerbeam static int ov5640_get_sysclk(struct ov5640_dev *sensor) 172819a81c14SSteve Longerbeam { 172919a81c14SSteve Longerbeam /* calculate sysclk */ 173019a81c14SSteve Longerbeam u32 xvclk = sensor->xclk_freq / 10000; 173119a81c14SSteve Longerbeam u32 multiplier, prediv, VCO, sysdiv, pll_rdiv; 173219a81c14SSteve Longerbeam u32 sclk_rdiv_map[] = {1, 2, 4, 8}; 173319a81c14SSteve Longerbeam u32 bit_div2x = 1, sclk_rdiv, sysclk; 173419a81c14SSteve Longerbeam u8 temp1, temp2; 173519a81c14SSteve Longerbeam int ret; 173619a81c14SSteve Longerbeam 173719a81c14SSteve Longerbeam ret = ov5640_read_reg(sensor, OV5640_REG_SC_PLL_CTRL0, &temp1); 173819a81c14SSteve Longerbeam if (ret) 173919a81c14SSteve Longerbeam return ret; 174019a81c14SSteve Longerbeam temp2 = temp1 & 0x0f; 174119a81c14SSteve Longerbeam if (temp2 == 8 || temp2 == 10) 174219a81c14SSteve Longerbeam bit_div2x = temp2 / 2; 174319a81c14SSteve Longerbeam 174419a81c14SSteve Longerbeam ret = ov5640_read_reg(sensor, OV5640_REG_SC_PLL_CTRL1, &temp1); 174519a81c14SSteve Longerbeam if (ret) 174619a81c14SSteve Longerbeam return ret; 174719a81c14SSteve Longerbeam sysdiv = temp1 >> 4; 174819a81c14SSteve Longerbeam if (sysdiv == 0) 174919a81c14SSteve Longerbeam sysdiv = 16; 175019a81c14SSteve Longerbeam 175119a81c14SSteve Longerbeam ret = ov5640_read_reg(sensor, OV5640_REG_SC_PLL_CTRL2, &temp1); 175219a81c14SSteve Longerbeam if (ret) 175319a81c14SSteve Longerbeam return ret; 175419a81c14SSteve Longerbeam multiplier = temp1; 175519a81c14SSteve Longerbeam 175619a81c14SSteve Longerbeam ret = ov5640_read_reg(sensor, OV5640_REG_SC_PLL_CTRL3, &temp1); 175719a81c14SSteve Longerbeam if (ret) 175819a81c14SSteve Longerbeam return ret; 175919a81c14SSteve Longerbeam prediv = temp1 & 0x0f; 176019a81c14SSteve Longerbeam pll_rdiv = ((temp1 >> 4) & 0x01) + 1; 176119a81c14SSteve Longerbeam 176219a81c14SSteve Longerbeam ret = ov5640_read_reg(sensor, OV5640_REG_SYS_ROOT_DIVIDER, &temp1); 176319a81c14SSteve Longerbeam if (ret) 176419a81c14SSteve Longerbeam return ret; 176519a81c14SSteve Longerbeam temp2 = temp1 & 0x03; 176619a81c14SSteve Longerbeam sclk_rdiv = sclk_rdiv_map[temp2]; 176719a81c14SSteve Longerbeam 176819a81c14SSteve Longerbeam if (!prediv || !sysdiv || !pll_rdiv || !bit_div2x) 176919a81c14SSteve Longerbeam return -EINVAL; 177019a81c14SSteve Longerbeam 177119a81c14SSteve Longerbeam VCO = xvclk * multiplier / prediv; 177219a81c14SSteve Longerbeam 177319a81c14SSteve Longerbeam sysclk = VCO / sysdiv / pll_rdiv * 2 / bit_div2x / sclk_rdiv; 177419a81c14SSteve Longerbeam 177519a81c14SSteve Longerbeam return sysclk; 177619a81c14SSteve Longerbeam } 177719a81c14SSteve Longerbeam 177819a81c14SSteve Longerbeam static int ov5640_set_night_mode(struct ov5640_dev *sensor) 177919a81c14SSteve Longerbeam { 178019a81c14SSteve Longerbeam /* read HTS from register settings */ 178119a81c14SSteve Longerbeam u8 mode; 178219a81c14SSteve Longerbeam int ret; 178319a81c14SSteve Longerbeam 178419a81c14SSteve Longerbeam ret = ov5640_read_reg(sensor, OV5640_REG_AEC_CTRL00, &mode); 178519a81c14SSteve Longerbeam if (ret) 178619a81c14SSteve Longerbeam return ret; 178719a81c14SSteve Longerbeam mode &= 0xfb; 178819a81c14SSteve Longerbeam return ov5640_write_reg(sensor, OV5640_REG_AEC_CTRL00, mode); 178919a81c14SSteve Longerbeam } 179019a81c14SSteve Longerbeam 179119a81c14SSteve Longerbeam static int ov5640_get_hts(struct ov5640_dev *sensor) 179219a81c14SSteve Longerbeam { 179319a81c14SSteve Longerbeam /* read HTS from register settings */ 179419a81c14SSteve Longerbeam u16 hts; 179519a81c14SSteve Longerbeam int ret; 179619a81c14SSteve Longerbeam 179719a81c14SSteve Longerbeam ret = ov5640_read_reg16(sensor, OV5640_REG_TIMING_HTS, &hts); 179819a81c14SSteve Longerbeam if (ret) 179919a81c14SSteve Longerbeam return ret; 180019a81c14SSteve Longerbeam return hts; 180119a81c14SSteve Longerbeam } 180219a81c14SSteve Longerbeam 180319a81c14SSteve Longerbeam static int ov5640_get_vts(struct ov5640_dev *sensor) 180419a81c14SSteve Longerbeam { 180519a81c14SSteve Longerbeam u16 vts; 180619a81c14SSteve Longerbeam int ret; 180719a81c14SSteve Longerbeam 180819a81c14SSteve Longerbeam ret = ov5640_read_reg16(sensor, OV5640_REG_TIMING_VTS, &vts); 180919a81c14SSteve Longerbeam if (ret) 181019a81c14SSteve Longerbeam return ret; 181119a81c14SSteve Longerbeam return vts; 181219a81c14SSteve Longerbeam } 181319a81c14SSteve Longerbeam 181419a81c14SSteve Longerbeam static int ov5640_set_vts(struct ov5640_dev *sensor, int vts) 181519a81c14SSteve Longerbeam { 181619a81c14SSteve Longerbeam return ov5640_write_reg16(sensor, OV5640_REG_TIMING_VTS, vts); 181719a81c14SSteve Longerbeam } 181819a81c14SSteve Longerbeam 181919a81c14SSteve Longerbeam static int ov5640_get_light_freq(struct ov5640_dev *sensor) 182019a81c14SSteve Longerbeam { 182119a81c14SSteve Longerbeam /* get banding filter value */ 182219a81c14SSteve Longerbeam int ret, light_freq = 0; 182319a81c14SSteve Longerbeam u8 temp, temp1; 182419a81c14SSteve Longerbeam 182519a81c14SSteve Longerbeam ret = ov5640_read_reg(sensor, OV5640_REG_HZ5060_CTRL01, &temp); 182619a81c14SSteve Longerbeam if (ret) 182719a81c14SSteve Longerbeam return ret; 182819a81c14SSteve Longerbeam 182919a81c14SSteve Longerbeam if (temp & 0x80) { 183019a81c14SSteve Longerbeam /* manual */ 183119a81c14SSteve Longerbeam ret = ov5640_read_reg(sensor, OV5640_REG_HZ5060_CTRL00, 183219a81c14SSteve Longerbeam &temp1); 183319a81c14SSteve Longerbeam if (ret) 183419a81c14SSteve Longerbeam return ret; 183519a81c14SSteve Longerbeam if (temp1 & 0x04) { 183619a81c14SSteve Longerbeam /* 50Hz */ 183719a81c14SSteve Longerbeam light_freq = 50; 183819a81c14SSteve Longerbeam } else { 183919a81c14SSteve Longerbeam /* 60Hz */ 184019a81c14SSteve Longerbeam light_freq = 60; 184119a81c14SSteve Longerbeam } 184219a81c14SSteve Longerbeam } else { 184319a81c14SSteve Longerbeam /* auto */ 184419a81c14SSteve Longerbeam ret = ov5640_read_reg(sensor, OV5640_REG_SIGMADELTA_CTRL0C, 184519a81c14SSteve Longerbeam &temp1); 184619a81c14SSteve Longerbeam if (ret) 184719a81c14SSteve Longerbeam return ret; 184819a81c14SSteve Longerbeam 184919a81c14SSteve Longerbeam if (temp1 & 0x01) { 185019a81c14SSteve Longerbeam /* 50Hz */ 185119a81c14SSteve Longerbeam light_freq = 50; 185219a81c14SSteve Longerbeam } else { 185319a81c14SSteve Longerbeam /* 60Hz */ 185419a81c14SSteve Longerbeam } 185519a81c14SSteve Longerbeam } 185619a81c14SSteve Longerbeam 185719a81c14SSteve Longerbeam return light_freq; 185819a81c14SSteve Longerbeam } 185919a81c14SSteve Longerbeam 186019a81c14SSteve Longerbeam static int ov5640_set_bandingfilter(struct ov5640_dev *sensor) 186119a81c14SSteve Longerbeam { 186219a81c14SSteve Longerbeam u32 band_step60, max_band60, band_step50, max_band50, prev_vts; 186319a81c14SSteve Longerbeam int ret; 186419a81c14SSteve Longerbeam 186519a81c14SSteve Longerbeam /* read preview PCLK */ 186619a81c14SSteve Longerbeam ret = ov5640_get_sysclk(sensor); 186719a81c14SSteve Longerbeam if (ret < 0) 186819a81c14SSteve Longerbeam return ret; 186919a81c14SSteve Longerbeam if (ret == 0) 187019a81c14SSteve Longerbeam return -EINVAL; 187119a81c14SSteve Longerbeam sensor->prev_sysclk = ret; 187219a81c14SSteve Longerbeam /* read preview HTS */ 187319a81c14SSteve Longerbeam ret = ov5640_get_hts(sensor); 187419a81c14SSteve Longerbeam if (ret < 0) 187519a81c14SSteve Longerbeam return ret; 187619a81c14SSteve Longerbeam if (ret == 0) 187719a81c14SSteve Longerbeam return -EINVAL; 187819a81c14SSteve Longerbeam sensor->prev_hts = ret; 187919a81c14SSteve Longerbeam 188019a81c14SSteve Longerbeam /* read preview VTS */ 188119a81c14SSteve Longerbeam ret = ov5640_get_vts(sensor); 188219a81c14SSteve Longerbeam if (ret < 0) 188319a81c14SSteve Longerbeam return ret; 188419a81c14SSteve Longerbeam prev_vts = ret; 188519a81c14SSteve Longerbeam 188619a81c14SSteve Longerbeam /* calculate banding filter */ 188719a81c14SSteve Longerbeam /* 60Hz */ 188819a81c14SSteve Longerbeam band_step60 = sensor->prev_sysclk * 100 / sensor->prev_hts * 100 / 120; 188919a81c14SSteve Longerbeam ret = ov5640_write_reg16(sensor, OV5640_REG_AEC_B60_STEP, band_step60); 189019a81c14SSteve Longerbeam if (ret) 189119a81c14SSteve Longerbeam return ret; 189219a81c14SSteve Longerbeam if (!band_step60) 189319a81c14SSteve Longerbeam return -EINVAL; 189419a81c14SSteve Longerbeam max_band60 = (int)((prev_vts - 4) / band_step60); 189519a81c14SSteve Longerbeam ret = ov5640_write_reg(sensor, OV5640_REG_AEC_CTRL0D, max_band60); 189619a81c14SSteve Longerbeam if (ret) 189719a81c14SSteve Longerbeam return ret; 189819a81c14SSteve Longerbeam 189919a81c14SSteve Longerbeam /* 50Hz */ 190019a81c14SSteve Longerbeam band_step50 = sensor->prev_sysclk * 100 / sensor->prev_hts; 190119a81c14SSteve Longerbeam ret = ov5640_write_reg16(sensor, OV5640_REG_AEC_B50_STEP, band_step50); 190219a81c14SSteve Longerbeam if (ret) 190319a81c14SSteve Longerbeam return ret; 190419a81c14SSteve Longerbeam if (!band_step50) 190519a81c14SSteve Longerbeam return -EINVAL; 190619a81c14SSteve Longerbeam max_band50 = (int)((prev_vts - 4) / band_step50); 190719a81c14SSteve Longerbeam return ov5640_write_reg(sensor, OV5640_REG_AEC_CTRL0E, max_band50); 190819a81c14SSteve Longerbeam } 190919a81c14SSteve Longerbeam 191019a81c14SSteve Longerbeam static int ov5640_set_ae_target(struct ov5640_dev *sensor, int target) 191119a81c14SSteve Longerbeam { 191219a81c14SSteve Longerbeam /* stable in high */ 191319a81c14SSteve Longerbeam u32 fast_high, fast_low; 191419a81c14SSteve Longerbeam int ret; 191519a81c14SSteve Longerbeam 191619a81c14SSteve Longerbeam sensor->ae_low = target * 23 / 25; /* 0.92 */ 191719a81c14SSteve Longerbeam sensor->ae_high = target * 27 / 25; /* 1.08 */ 191819a81c14SSteve Longerbeam 191919a81c14SSteve Longerbeam fast_high = sensor->ae_high << 1; 192019a81c14SSteve Longerbeam if (fast_high > 255) 192119a81c14SSteve Longerbeam fast_high = 255; 192219a81c14SSteve Longerbeam 192319a81c14SSteve Longerbeam fast_low = sensor->ae_low >> 1; 192419a81c14SSteve Longerbeam 192519a81c14SSteve Longerbeam ret = ov5640_write_reg(sensor, OV5640_REG_AEC_CTRL0F, sensor->ae_high); 192619a81c14SSteve Longerbeam if (ret) 192719a81c14SSteve Longerbeam return ret; 192819a81c14SSteve Longerbeam ret = ov5640_write_reg(sensor, OV5640_REG_AEC_CTRL10, sensor->ae_low); 192919a81c14SSteve Longerbeam if (ret) 193019a81c14SSteve Longerbeam return ret; 193119a81c14SSteve Longerbeam ret = ov5640_write_reg(sensor, OV5640_REG_AEC_CTRL1B, sensor->ae_high); 193219a81c14SSteve Longerbeam if (ret) 193319a81c14SSteve Longerbeam return ret; 193419a81c14SSteve Longerbeam ret = ov5640_write_reg(sensor, OV5640_REG_AEC_CTRL1E, sensor->ae_low); 193519a81c14SSteve Longerbeam if (ret) 193619a81c14SSteve Longerbeam return ret; 193719a81c14SSteve Longerbeam ret = ov5640_write_reg(sensor, OV5640_REG_AEC_CTRL11, fast_high); 193819a81c14SSteve Longerbeam if (ret) 193919a81c14SSteve Longerbeam return ret; 194019a81c14SSteve Longerbeam return ov5640_write_reg(sensor, OV5640_REG_AEC_CTRL1F, fast_low); 194119a81c14SSteve Longerbeam } 194219a81c14SSteve Longerbeam 1943c2c3f42dSHugues Fruchet static int ov5640_get_binning(struct ov5640_dev *sensor) 194419a81c14SSteve Longerbeam { 194519a81c14SSteve Longerbeam u8 temp; 194619a81c14SSteve Longerbeam int ret; 194719a81c14SSteve Longerbeam 194819a81c14SSteve Longerbeam ret = ov5640_read_reg(sensor, OV5640_REG_TIMING_TC_REG21, &temp); 194919a81c14SSteve Longerbeam if (ret) 195019a81c14SSteve Longerbeam return ret; 1951c2c3f42dSHugues Fruchet 1952c2c3f42dSHugues Fruchet return temp & BIT(0); 195319a81c14SSteve Longerbeam } 195419a81c14SSteve Longerbeam 1955ce85705aSHugues Fruchet static int ov5640_set_binning(struct ov5640_dev *sensor, bool enable) 1956ce85705aSHugues Fruchet { 1957ce85705aSHugues Fruchet int ret; 1958ce85705aSHugues Fruchet 1959ce85705aSHugues Fruchet /* 1960ce85705aSHugues Fruchet * TIMING TC REG21: 1961ce85705aSHugues Fruchet * - [0]: Horizontal binning enable 1962ce85705aSHugues Fruchet */ 1963ce85705aSHugues Fruchet ret = ov5640_mod_reg(sensor, OV5640_REG_TIMING_TC_REG21, 1964ce85705aSHugues Fruchet BIT(0), enable ? BIT(0) : 0); 1965ce85705aSHugues Fruchet if (ret) 1966ce85705aSHugues Fruchet return ret; 1967ce85705aSHugues Fruchet /* 1968ce85705aSHugues Fruchet * TIMING TC REG20: 1969ce85705aSHugues Fruchet * - [0]: Undocumented, but hardcoded init sequences 1970ce85705aSHugues Fruchet * are always setting REG21/REG20 bit 0 to same value... 1971ce85705aSHugues Fruchet */ 1972ce85705aSHugues Fruchet return ov5640_mod_reg(sensor, OV5640_REG_TIMING_TC_REG20, 1973ce85705aSHugues Fruchet BIT(0), enable ? BIT(0) : 0); 1974ce85705aSHugues Fruchet } 1975ce85705aSHugues Fruchet 197619a81c14SSteve Longerbeam static int ov5640_set_virtual_channel(struct ov5640_dev *sensor) 197719a81c14SSteve Longerbeam { 19788670d70aSHugues Fruchet struct i2c_client *client = sensor->i2c_client; 197919a81c14SSteve Longerbeam u8 temp, channel = virtual_channel; 198019a81c14SSteve Longerbeam int ret; 198119a81c14SSteve Longerbeam 19828670d70aSHugues Fruchet if (channel > 3) { 19838670d70aSHugues Fruchet dev_err(&client->dev, 19848670d70aSHugues Fruchet "%s: wrong virtual_channel parameter, expected (0..3), got %d\n", 19858670d70aSHugues Fruchet __func__, channel); 198619a81c14SSteve Longerbeam return -EINVAL; 19878670d70aSHugues Fruchet } 198819a81c14SSteve Longerbeam 198919a81c14SSteve Longerbeam ret = ov5640_read_reg(sensor, OV5640_REG_DEBUG_MODE, &temp); 199019a81c14SSteve Longerbeam if (ret) 199119a81c14SSteve Longerbeam return ret; 199219a81c14SSteve Longerbeam temp &= ~(3 << 6); 199319a81c14SSteve Longerbeam temp |= (channel << 6); 199419a81c14SSteve Longerbeam return ov5640_write_reg(sensor, OV5640_REG_DEBUG_MODE, temp); 199519a81c14SSteve Longerbeam } 199619a81c14SSteve Longerbeam 199719a81c14SSteve Longerbeam static const struct ov5640_mode_info * 1998*b6ae5022SJacopo Mondi ov5640_find_mode(struct ov5640_dev *sensor, int width, int height, bool nearest) 199919a81c14SSteve Longerbeam { 20003c4a7372SHugues Fruchet const struct ov5640_mode_info *mode; 200119a81c14SSteve Longerbeam 2002086c25f8SMaxime Ripard mode = v4l2_find_nearest_size(ov5640_mode_data, 2003086c25f8SMaxime Ripard ARRAY_SIZE(ov5640_mode_data), 20045113d5b3SJacopo Mondi width, height, width, height); 200519a81c14SSteve Longerbeam 20063c4a7372SHugues Fruchet if (!mode || 20073145efcdSJacopo Mondi (!nearest && 20085113d5b3SJacopo Mondi (mode->width != width || mode->height != height))) 20093c4a7372SHugues Fruchet return NULL; 201019a81c14SSteve Longerbeam 201119a81c14SSteve Longerbeam return mode; 201219a81c14SSteve Longerbeam } 201319a81c14SSteve Longerbeam 201419a81c14SSteve Longerbeam /* 201519a81c14SSteve Longerbeam * sensor changes between scaling and subsampling, go through 201619a81c14SSteve Longerbeam * exposure calculation 201719a81c14SSteve Longerbeam */ 201841d8d7f5SHugues Fruchet static int ov5640_set_mode_exposure_calc(struct ov5640_dev *sensor, 201941d8d7f5SHugues Fruchet const struct ov5640_mode_info *mode) 202019a81c14SSteve Longerbeam { 202119a81c14SSteve Longerbeam u32 prev_shutter, prev_gain16; 202219a81c14SSteve Longerbeam u32 cap_shutter, cap_gain16; 202319a81c14SSteve Longerbeam u32 cap_sysclk, cap_hts, cap_vts; 202419a81c14SSteve Longerbeam u32 light_freq, cap_bandfilt, cap_maxband; 202519a81c14SSteve Longerbeam u32 cap_gain16_shutter; 202619a81c14SSteve Longerbeam u8 average; 202719a81c14SSteve Longerbeam int ret; 202819a81c14SSteve Longerbeam 202941d8d7f5SHugues Fruchet if (!mode->reg_data) 203019a81c14SSteve Longerbeam return -EINVAL; 203119a81c14SSteve Longerbeam 203219a81c14SSteve Longerbeam /* read preview shutter */ 203319a81c14SSteve Longerbeam ret = ov5640_get_exposure(sensor); 203419a81c14SSteve Longerbeam if (ret < 0) 203519a81c14SSteve Longerbeam return ret; 203619a81c14SSteve Longerbeam prev_shutter = ret; 2037c2c3f42dSHugues Fruchet ret = ov5640_get_binning(sensor); 203819a81c14SSteve Longerbeam if (ret < 0) 203919a81c14SSteve Longerbeam return ret; 204019a81c14SSteve Longerbeam if (ret && mode->id != OV5640_MODE_720P_1280_720 && 204119a81c14SSteve Longerbeam mode->id != OV5640_MODE_1080P_1920_1080) 204219a81c14SSteve Longerbeam prev_shutter *= 2; 204319a81c14SSteve Longerbeam 204419a81c14SSteve Longerbeam /* read preview gain */ 204519a81c14SSteve Longerbeam ret = ov5640_get_gain(sensor); 204619a81c14SSteve Longerbeam if (ret < 0) 204719a81c14SSteve Longerbeam return ret; 204819a81c14SSteve Longerbeam prev_gain16 = ret; 204919a81c14SSteve Longerbeam 205019a81c14SSteve Longerbeam /* get average */ 205119a81c14SSteve Longerbeam ret = ov5640_read_reg(sensor, OV5640_REG_AVG_READOUT, &average); 205219a81c14SSteve Longerbeam if (ret) 205319a81c14SSteve Longerbeam return ret; 205419a81c14SSteve Longerbeam 205519a81c14SSteve Longerbeam /* turn off night mode for capture */ 205619a81c14SSteve Longerbeam ret = ov5640_set_night_mode(sensor); 205719a81c14SSteve Longerbeam if (ret < 0) 205819a81c14SSteve Longerbeam return ret; 205919a81c14SSteve Longerbeam 206019a81c14SSteve Longerbeam /* Write capture setting */ 2061e4359019SJacopo Mondi ov5640_load_regs(sensor, mode->reg_data, mode->reg_data_size); 2062e4359019SJacopo Mondi ret = ov5640_set_timings(sensor, mode); 206319a81c14SSteve Longerbeam if (ret < 0) 206419a81c14SSteve Longerbeam return ret; 206519a81c14SSteve Longerbeam 206619a81c14SSteve Longerbeam /* read capture VTS */ 206719a81c14SSteve Longerbeam ret = ov5640_get_vts(sensor); 206819a81c14SSteve Longerbeam if (ret < 0) 206919a81c14SSteve Longerbeam return ret; 207019a81c14SSteve Longerbeam cap_vts = ret; 207119a81c14SSteve Longerbeam ret = ov5640_get_hts(sensor); 207219a81c14SSteve Longerbeam if (ret < 0) 207319a81c14SSteve Longerbeam return ret; 207419a81c14SSteve Longerbeam if (ret == 0) 207519a81c14SSteve Longerbeam return -EINVAL; 207619a81c14SSteve Longerbeam cap_hts = ret; 207719a81c14SSteve Longerbeam 207819a81c14SSteve Longerbeam ret = ov5640_get_sysclk(sensor); 207919a81c14SSteve Longerbeam if (ret < 0) 208019a81c14SSteve Longerbeam return ret; 208119a81c14SSteve Longerbeam if (ret == 0) 208219a81c14SSteve Longerbeam return -EINVAL; 208319a81c14SSteve Longerbeam cap_sysclk = ret; 208419a81c14SSteve Longerbeam 208519a81c14SSteve Longerbeam /* calculate capture banding filter */ 208619a81c14SSteve Longerbeam ret = ov5640_get_light_freq(sensor); 208719a81c14SSteve Longerbeam if (ret < 0) 208819a81c14SSteve Longerbeam return ret; 208919a81c14SSteve Longerbeam light_freq = ret; 209019a81c14SSteve Longerbeam 209119a81c14SSteve Longerbeam if (light_freq == 60) { 209219a81c14SSteve Longerbeam /* 60Hz */ 209319a81c14SSteve Longerbeam cap_bandfilt = cap_sysclk * 100 / cap_hts * 100 / 120; 209419a81c14SSteve Longerbeam } else { 209519a81c14SSteve Longerbeam /* 50Hz */ 209619a81c14SSteve Longerbeam cap_bandfilt = cap_sysclk * 100 / cap_hts; 209719a81c14SSteve Longerbeam } 209819a81c14SSteve Longerbeam 209919a81c14SSteve Longerbeam if (!sensor->prev_sysclk) { 210019a81c14SSteve Longerbeam ret = ov5640_get_sysclk(sensor); 210119a81c14SSteve Longerbeam if (ret < 0) 210219a81c14SSteve Longerbeam return ret; 210319a81c14SSteve Longerbeam if (ret == 0) 210419a81c14SSteve Longerbeam return -EINVAL; 210519a81c14SSteve Longerbeam sensor->prev_sysclk = ret; 210619a81c14SSteve Longerbeam } 210719a81c14SSteve Longerbeam 210819a81c14SSteve Longerbeam if (!cap_bandfilt) 210919a81c14SSteve Longerbeam return -EINVAL; 211019a81c14SSteve Longerbeam 211119a81c14SSteve Longerbeam cap_maxband = (int)((cap_vts - 4) / cap_bandfilt); 211219a81c14SSteve Longerbeam 211319a81c14SSteve Longerbeam /* calculate capture shutter/gain16 */ 211419a81c14SSteve Longerbeam if (average > sensor->ae_low && average < sensor->ae_high) { 211519a81c14SSteve Longerbeam /* in stable range */ 211619a81c14SSteve Longerbeam cap_gain16_shutter = 211719a81c14SSteve Longerbeam prev_gain16 * prev_shutter * 211819a81c14SSteve Longerbeam cap_sysclk / sensor->prev_sysclk * 211919a81c14SSteve Longerbeam sensor->prev_hts / cap_hts * 212019a81c14SSteve Longerbeam sensor->ae_target / average; 212119a81c14SSteve Longerbeam } else { 212219a81c14SSteve Longerbeam cap_gain16_shutter = 212319a81c14SSteve Longerbeam prev_gain16 * prev_shutter * 212419a81c14SSteve Longerbeam cap_sysclk / sensor->prev_sysclk * 212519a81c14SSteve Longerbeam sensor->prev_hts / cap_hts; 212619a81c14SSteve Longerbeam } 212719a81c14SSteve Longerbeam 212819a81c14SSteve Longerbeam /* gain to shutter */ 212919a81c14SSteve Longerbeam if (cap_gain16_shutter < (cap_bandfilt * 16)) { 213019a81c14SSteve Longerbeam /* shutter < 1/100 */ 213119a81c14SSteve Longerbeam cap_shutter = cap_gain16_shutter / 16; 213219a81c14SSteve Longerbeam if (cap_shutter < 1) 213319a81c14SSteve Longerbeam cap_shutter = 1; 213419a81c14SSteve Longerbeam 213519a81c14SSteve Longerbeam cap_gain16 = cap_gain16_shutter / cap_shutter; 213619a81c14SSteve Longerbeam if (cap_gain16 < 16) 213719a81c14SSteve Longerbeam cap_gain16 = 16; 213819a81c14SSteve Longerbeam } else { 213919a81c14SSteve Longerbeam if (cap_gain16_shutter > (cap_bandfilt * cap_maxband * 16)) { 214019a81c14SSteve Longerbeam /* exposure reach max */ 214119a81c14SSteve Longerbeam cap_shutter = cap_bandfilt * cap_maxband; 214219a81c14SSteve Longerbeam if (!cap_shutter) 214319a81c14SSteve Longerbeam return -EINVAL; 214419a81c14SSteve Longerbeam 214519a81c14SSteve Longerbeam cap_gain16 = cap_gain16_shutter / cap_shutter; 214619a81c14SSteve Longerbeam } else { 214719a81c14SSteve Longerbeam /* 1/100 < (cap_shutter = n/100) =< max */ 214819a81c14SSteve Longerbeam cap_shutter = 214919a81c14SSteve Longerbeam ((int)(cap_gain16_shutter / 16 / cap_bandfilt)) 215019a81c14SSteve Longerbeam * cap_bandfilt; 215119a81c14SSteve Longerbeam if (!cap_shutter) 215219a81c14SSteve Longerbeam return -EINVAL; 215319a81c14SSteve Longerbeam 215419a81c14SSteve Longerbeam cap_gain16 = cap_gain16_shutter / cap_shutter; 215519a81c14SSteve Longerbeam } 215619a81c14SSteve Longerbeam } 215719a81c14SSteve Longerbeam 215819a81c14SSteve Longerbeam /* set capture gain */ 21593cca8ef5SHugues Fruchet ret = ov5640_set_gain(sensor, cap_gain16); 216019a81c14SSteve Longerbeam if (ret) 216119a81c14SSteve Longerbeam return ret; 216219a81c14SSteve Longerbeam 216319a81c14SSteve Longerbeam /* write capture shutter */ 216419a81c14SSteve Longerbeam if (cap_shutter > (cap_vts - 4)) { 216519a81c14SSteve Longerbeam cap_vts = cap_shutter + 4; 216619a81c14SSteve Longerbeam ret = ov5640_set_vts(sensor, cap_vts); 216719a81c14SSteve Longerbeam if (ret < 0) 216819a81c14SSteve Longerbeam return ret; 216919a81c14SSteve Longerbeam } 217019a81c14SSteve Longerbeam 217119a81c14SSteve Longerbeam /* set exposure */ 21723cca8ef5SHugues Fruchet return ov5640_set_exposure(sensor, cap_shutter); 217319a81c14SSteve Longerbeam } 217419a81c14SSteve Longerbeam 217519a81c14SSteve Longerbeam /* 217619a81c14SSteve Longerbeam * if sensor changes inside scaling or subsampling 217719a81c14SSteve Longerbeam * change mode directly 217819a81c14SSteve Longerbeam */ 217919a81c14SSteve Longerbeam static int ov5640_set_mode_direct(struct ov5640_dev *sensor, 21803cca8ef5SHugues Fruchet const struct ov5640_mode_info *mode) 218119a81c14SSteve Longerbeam { 218241d8d7f5SHugues Fruchet if (!mode->reg_data) 218319a81c14SSteve Longerbeam return -EINVAL; 218419a81c14SSteve Longerbeam 218519a81c14SSteve Longerbeam /* Write capture setting */ 2186e4359019SJacopo Mondi ov5640_load_regs(sensor, mode->reg_data, mode->reg_data_size); 2187e4359019SJacopo Mondi return ov5640_set_timings(sensor, mode); 218819a81c14SSteve Longerbeam } 218919a81c14SSteve Longerbeam 2190985cdcb0SHugues Fruchet static int ov5640_set_mode(struct ov5640_dev *sensor) 219119a81c14SSteve Longerbeam { 219219a81c14SSteve Longerbeam const struct ov5640_mode_info *mode = sensor->current_mode; 2193985cdcb0SHugues Fruchet const struct ov5640_mode_info *orig_mode = sensor->last_mode; 219419a81c14SSteve Longerbeam enum ov5640_downsize_mode dn_mode, orig_dn_mode; 21953cca8ef5SHugues Fruchet bool auto_gain = sensor->ctrls.auto_gain->val == 1; 2196dc29a1c1SHugues Fruchet bool auto_exp = sensor->ctrls.auto_exp->val == V4L2_EXPOSURE_AUTO; 219719a81c14SSteve Longerbeam int ret; 219819a81c14SSteve Longerbeam 219919a81c14SSteve Longerbeam dn_mode = mode->dn_mode; 220019a81c14SSteve Longerbeam orig_dn_mode = orig_mode->dn_mode; 220119a81c14SSteve Longerbeam 220219a81c14SSteve Longerbeam /* auto gain and exposure must be turned off when changing modes */ 22033cca8ef5SHugues Fruchet if (auto_gain) { 22043cca8ef5SHugues Fruchet ret = ov5640_set_autogain(sensor, false); 220519a81c14SSteve Longerbeam if (ret) 220619a81c14SSteve Longerbeam return ret; 22073cca8ef5SHugues Fruchet } 2208bf4a4b51SMaxime Ripard 22093cca8ef5SHugues Fruchet if (auto_exp) { 2210dc29a1c1SHugues Fruchet ret = ov5640_set_autoexposure(sensor, false); 221119a81c14SSteve Longerbeam if (ret) 22123cca8ef5SHugues Fruchet goto restore_auto_gain; 22133cca8ef5SHugues Fruchet } 221419a81c14SSteve Longerbeam 22156c957ed7SJacopo Mondi if (ov5640_is_csi2(sensor)) 22166c957ed7SJacopo Mondi ret = ov5640_set_mipi_pclk(sensor); 22176c957ed7SJacopo Mondi else 22186c957ed7SJacopo Mondi ret = ov5640_set_dvp_pclk(sensor); 2219aa288248SMaxime Ripard if (ret < 0) 2220aa288248SMaxime Ripard return 0; 2221aa288248SMaxime Ripard 222219a81c14SSteve Longerbeam if ((dn_mode == SUBSAMPLING && orig_dn_mode == SCALING) || 222319a81c14SSteve Longerbeam (dn_mode == SCALING && orig_dn_mode == SUBSAMPLING)) { 222419a81c14SSteve Longerbeam /* 222519a81c14SSteve Longerbeam * change between subsampling and scaling 22263cca8ef5SHugues Fruchet * go through exposure calculation 222719a81c14SSteve Longerbeam */ 222819a81c14SSteve Longerbeam ret = ov5640_set_mode_exposure_calc(sensor, mode); 222919a81c14SSteve Longerbeam } else { 223019a81c14SSteve Longerbeam /* 223119a81c14SSteve Longerbeam * change inside subsampling or scaling 223219a81c14SSteve Longerbeam * download firmware directly 223319a81c14SSteve Longerbeam */ 22343cca8ef5SHugues Fruchet ret = ov5640_set_mode_direct(sensor, mode); 223519a81c14SSteve Longerbeam } 223619a81c14SSteve Longerbeam if (ret < 0) 22373cca8ef5SHugues Fruchet goto restore_auto_exp_gain; 22383cca8ef5SHugues Fruchet 22393cca8ef5SHugues Fruchet /* restore auto gain and exposure */ 22403cca8ef5SHugues Fruchet if (auto_gain) 22413cca8ef5SHugues Fruchet ov5640_set_autogain(sensor, true); 22423cca8ef5SHugues Fruchet if (auto_exp) 22433cca8ef5SHugues Fruchet ov5640_set_autoexposure(sensor, true); 224419a81c14SSteve Longerbeam 2245ce85705aSHugues Fruchet ret = ov5640_set_binning(sensor, dn_mode != SCALING); 2246ce85705aSHugues Fruchet if (ret < 0) 2247ce85705aSHugues Fruchet return ret; 224819a81c14SSteve Longerbeam ret = ov5640_set_ae_target(sensor, sensor->ae_target); 224919a81c14SSteve Longerbeam if (ret < 0) 225019a81c14SSteve Longerbeam return ret; 225119a81c14SSteve Longerbeam ret = ov5640_get_light_freq(sensor); 225219a81c14SSteve Longerbeam if (ret < 0) 225319a81c14SSteve Longerbeam return ret; 225419a81c14SSteve Longerbeam ret = ov5640_set_bandingfilter(sensor); 225519a81c14SSteve Longerbeam if (ret < 0) 225619a81c14SSteve Longerbeam return ret; 225719a81c14SSteve Longerbeam ret = ov5640_set_virtual_channel(sensor); 225819a81c14SSteve Longerbeam if (ret < 0) 225919a81c14SSteve Longerbeam return ret; 226019a81c14SSteve Longerbeam 226119a81c14SSteve Longerbeam sensor->pending_mode_change = false; 2262985cdcb0SHugues Fruchet sensor->last_mode = mode; 226319a81c14SSteve Longerbeam 226419a81c14SSteve Longerbeam return 0; 22653cca8ef5SHugues Fruchet 22663cca8ef5SHugues Fruchet restore_auto_exp_gain: 22673cca8ef5SHugues Fruchet if (auto_exp) 22683cca8ef5SHugues Fruchet ov5640_set_autoexposure(sensor, true); 22693cca8ef5SHugues Fruchet restore_auto_gain: 22703cca8ef5SHugues Fruchet if (auto_gain) 22713cca8ef5SHugues Fruchet ov5640_set_autogain(sensor, true); 22723cca8ef5SHugues Fruchet 22733cca8ef5SHugues Fruchet return ret; 227419a81c14SSteve Longerbeam } 227519a81c14SSteve Longerbeam 227619ad26f9SAkinobu Mita static int ov5640_set_framefmt(struct ov5640_dev *sensor, 227719ad26f9SAkinobu Mita struct v4l2_mbus_framefmt *format); 227819ad26f9SAkinobu Mita 227919a81c14SSteve Longerbeam /* restore the last set video mode after chip power-on */ 228019a81c14SSteve Longerbeam static int ov5640_restore_mode(struct ov5640_dev *sensor) 228119a81c14SSteve Longerbeam { 228219a81c14SSteve Longerbeam int ret; 228319a81c14SSteve Longerbeam 228419a81c14SSteve Longerbeam /* first load the initial register values */ 2285e4359019SJacopo Mondi ov5640_load_regs(sensor, ov5640_init_setting, 2286e4359019SJacopo Mondi ARRAY_SIZE(ov5640_init_setting)); 228719a81c14SSteve Longerbeam 22888f57c2f8SMaxime Ripard ret = ov5640_mod_reg(sensor, OV5640_REG_SYS_ROOT_DIVIDER, 0x3f, 22897851fe7aSMaxime Ripard (ilog2(OV5640_SCLK2X_ROOT_DIV) << 2) | 22907851fe7aSMaxime Ripard ilog2(OV5640_SCLK_ROOT_DIV)); 22918f57c2f8SMaxime Ripard if (ret) 22928f57c2f8SMaxime Ripard return ret; 22938f57c2f8SMaxime Ripard 229419a81c14SSteve Longerbeam /* now restore the last capture mode */ 2295985cdcb0SHugues Fruchet ret = ov5640_set_mode(sensor); 229619ad26f9SAkinobu Mita if (ret < 0) 229719ad26f9SAkinobu Mita return ret; 229819ad26f9SAkinobu Mita 229919ad26f9SAkinobu Mita return ov5640_set_framefmt(sensor, &sensor->fmt); 230019a81c14SSteve Longerbeam } 230119a81c14SSteve Longerbeam 230219a81c14SSteve Longerbeam static void ov5640_power(struct ov5640_dev *sensor, bool enable) 230319a81c14SSteve Longerbeam { 23041fddc5daSHugues Fruchet gpiod_set_value_cansleep(sensor->pwdn_gpio, enable ? 0 : 1); 230519a81c14SSteve Longerbeam } 230619a81c14SSteve Longerbeam 230719a81c14SSteve Longerbeam static void ov5640_reset(struct ov5640_dev *sensor) 230819a81c14SSteve Longerbeam { 230919a81c14SSteve Longerbeam if (!sensor->reset_gpio) 231019a81c14SSteve Longerbeam return; 231119a81c14SSteve Longerbeam 23121fddc5daSHugues Fruchet gpiod_set_value_cansleep(sensor->reset_gpio, 0); 231319a81c14SSteve Longerbeam 231419a81c14SSteve Longerbeam /* camera power cycle */ 231519a81c14SSteve Longerbeam ov5640_power(sensor, false); 231619a81c14SSteve Longerbeam usleep_range(5000, 10000); 231719a81c14SSteve Longerbeam ov5640_power(sensor, true); 231819a81c14SSteve Longerbeam usleep_range(5000, 10000); 231919a81c14SSteve Longerbeam 23201fddc5daSHugues Fruchet gpiod_set_value_cansleep(sensor->reset_gpio, 1); 232119a81c14SSteve Longerbeam usleep_range(1000, 2000); 232219a81c14SSteve Longerbeam 23231fddc5daSHugues Fruchet gpiod_set_value_cansleep(sensor->reset_gpio, 0); 23241d4c41f3SLoic Poulain usleep_range(20000, 25000); 232519a81c14SSteve Longerbeam } 232619a81c14SSteve Longerbeam 23270f7acb52SHugues Fruchet static int ov5640_set_power_on(struct ov5640_dev *sensor) 232819a81c14SSteve Longerbeam { 23290f7acb52SHugues Fruchet struct i2c_client *client = sensor->i2c_client; 23300f7acb52SHugues Fruchet int ret; 233119a81c14SSteve Longerbeam 23320f7acb52SHugues Fruchet ret = clk_prepare_enable(sensor->xclk); 23330f7acb52SHugues Fruchet if (ret) { 23340f7acb52SHugues Fruchet dev_err(&client->dev, "%s: failed to enable clock\n", 23350f7acb52SHugues Fruchet __func__); 23360f7acb52SHugues Fruchet return ret; 23370f7acb52SHugues Fruchet } 233819a81c14SSteve Longerbeam 233919a81c14SSteve Longerbeam ret = regulator_bulk_enable(OV5640_NUM_SUPPLIES, 234019a81c14SSteve Longerbeam sensor->supplies); 23410f7acb52SHugues Fruchet if (ret) { 23420f7acb52SHugues Fruchet dev_err(&client->dev, "%s: failed to enable regulators\n", 23430f7acb52SHugues Fruchet __func__); 234419a81c14SSteve Longerbeam goto xclk_off; 23450f7acb52SHugues Fruchet } 234619a81c14SSteve Longerbeam 234719a81c14SSteve Longerbeam ov5640_reset(sensor); 234819a81c14SSteve Longerbeam ov5640_power(sensor, true); 234919a81c14SSteve Longerbeam 235019a81c14SSteve Longerbeam ret = ov5640_init_slave_id(sensor); 235119a81c14SSteve Longerbeam if (ret) 235219a81c14SSteve Longerbeam goto power_off; 235319a81c14SSteve Longerbeam 23540f7acb52SHugues Fruchet return 0; 23550f7acb52SHugues Fruchet 23560f7acb52SHugues Fruchet power_off: 23570f7acb52SHugues Fruchet ov5640_power(sensor, false); 23580f7acb52SHugues Fruchet regulator_bulk_disable(OV5640_NUM_SUPPLIES, sensor->supplies); 23590f7acb52SHugues Fruchet xclk_off: 23600f7acb52SHugues Fruchet clk_disable_unprepare(sensor->xclk); 23610f7acb52SHugues Fruchet return ret; 23620f7acb52SHugues Fruchet } 23630f7acb52SHugues Fruchet 23640f7acb52SHugues Fruchet static void ov5640_set_power_off(struct ov5640_dev *sensor) 23650f7acb52SHugues Fruchet { 23660f7acb52SHugues Fruchet ov5640_power(sensor, false); 23670f7acb52SHugues Fruchet regulator_bulk_disable(OV5640_NUM_SUPPLIES, sensor->supplies); 23680f7acb52SHugues Fruchet clk_disable_unprepare(sensor->xclk); 23690f7acb52SHugues Fruchet } 23700f7acb52SHugues Fruchet 2371b1751ae6SLad Prabhakar static int ov5640_set_power_mipi(struct ov5640_dev *sensor, bool on) 2372b1751ae6SLad Prabhakar { 2373b1751ae6SLad Prabhakar int ret; 2374b1751ae6SLad Prabhakar 2375b1751ae6SLad Prabhakar if (!on) { 2376b1751ae6SLad Prabhakar /* Reset MIPI bus settings to their default values. */ 2377b1751ae6SLad Prabhakar ov5640_write_reg(sensor, OV5640_REG_IO_MIPI_CTRL00, 0x58); 2378b1751ae6SLad Prabhakar ov5640_write_reg(sensor, OV5640_REG_MIPI_CTRL00, 0x04); 2379b1751ae6SLad Prabhakar ov5640_write_reg(sensor, OV5640_REG_PAD_OUTPUT00, 0x00); 2380b1751ae6SLad Prabhakar return 0; 2381b1751ae6SLad Prabhakar } 2382b1751ae6SLad Prabhakar 2383b1751ae6SLad Prabhakar /* 2384b1751ae6SLad Prabhakar * Power up MIPI HS Tx and LS Rx; 2 data lanes mode 2385b1751ae6SLad Prabhakar * 2386b1751ae6SLad Prabhakar * 0x300e = 0x40 2387b1751ae6SLad Prabhakar * [7:5] = 010 : 2 data lanes mode (see FIXME note in 2388b1751ae6SLad Prabhakar * "ov5640_set_stream_mipi()") 2389b1751ae6SLad Prabhakar * [4] = 0 : Power up MIPI HS Tx 2390b1751ae6SLad Prabhakar * [3] = 0 : Power up MIPI LS Rx 2391b1751ae6SLad Prabhakar * [2] = 0 : MIPI interface disabled 2392b1751ae6SLad Prabhakar */ 2393b1751ae6SLad Prabhakar ret = ov5640_write_reg(sensor, OV5640_REG_IO_MIPI_CTRL00, 0x40); 2394b1751ae6SLad Prabhakar if (ret) 2395b1751ae6SLad Prabhakar return ret; 2396b1751ae6SLad Prabhakar 2397b1751ae6SLad Prabhakar /* 2398b1751ae6SLad Prabhakar * Gate clock and set LP11 in 'no packets mode' (idle) 2399b1751ae6SLad Prabhakar * 2400b1751ae6SLad Prabhakar * 0x4800 = 0x24 2401b1751ae6SLad Prabhakar * [5] = 1 : Gate clock when 'no packets' 2402b1751ae6SLad Prabhakar * [2] = 1 : MIPI bus in LP11 when 'no packets' 2403b1751ae6SLad Prabhakar */ 2404b1751ae6SLad Prabhakar ret = ov5640_write_reg(sensor, OV5640_REG_MIPI_CTRL00, 0x24); 2405b1751ae6SLad Prabhakar if (ret) 2406b1751ae6SLad Prabhakar return ret; 2407b1751ae6SLad Prabhakar 2408b1751ae6SLad Prabhakar /* 2409b1751ae6SLad Prabhakar * Set data lanes and clock in LP11 when 'sleeping' 2410b1751ae6SLad Prabhakar * 2411b1751ae6SLad Prabhakar * 0x3019 = 0x70 2412b1751ae6SLad Prabhakar * [6] = 1 : MIPI data lane 2 in LP11 when 'sleeping' 2413b1751ae6SLad Prabhakar * [5] = 1 : MIPI data lane 1 in LP11 when 'sleeping' 2414b1751ae6SLad Prabhakar * [4] = 1 : MIPI clock lane in LP11 when 'sleeping' 2415b1751ae6SLad Prabhakar */ 2416b1751ae6SLad Prabhakar ret = ov5640_write_reg(sensor, OV5640_REG_PAD_OUTPUT00, 0x70); 2417b1751ae6SLad Prabhakar if (ret) 2418b1751ae6SLad Prabhakar return ret; 2419b1751ae6SLad Prabhakar 2420b1751ae6SLad Prabhakar /* Give lanes some time to coax into LP11 state. */ 2421b1751ae6SLad Prabhakar usleep_range(500, 1000); 2422b1751ae6SLad Prabhakar 2423b1751ae6SLad Prabhakar return 0; 2424b1751ae6SLad Prabhakar } 2425b1751ae6SLad Prabhakar 2426576f5d4bSLad Prabhakar static int ov5640_set_power_dvp(struct ov5640_dev *sensor, bool on) 2427576f5d4bSLad Prabhakar { 2428311a6408SLad Prabhakar unsigned int flags = sensor->ep.bus.parallel.flags; 242968579b32SHugues Fruchet bool bt656 = sensor->ep.bus_type == V4L2_MBUS_BT656; 243068579b32SHugues Fruchet u8 polarities = 0; 2431576f5d4bSLad Prabhakar int ret; 2432576f5d4bSLad Prabhakar 2433576f5d4bSLad Prabhakar if (!on) { 2434576f5d4bSLad Prabhakar /* Reset settings to their default values. */ 243568579b32SHugues Fruchet ov5640_write_reg(sensor, OV5640_REG_CCIR656_CTRL00, 0x00); 2436311a6408SLad Prabhakar ov5640_write_reg(sensor, OV5640_REG_IO_MIPI_CTRL00, 0x58); 2437311a6408SLad Prabhakar ov5640_write_reg(sensor, OV5640_REG_POLARITY_CTRL00, 0x20); 2438576f5d4bSLad Prabhakar ov5640_write_reg(sensor, OV5640_REG_PAD_OUTPUT_ENABLE01, 0x00); 2439576f5d4bSLad Prabhakar ov5640_write_reg(sensor, OV5640_REG_PAD_OUTPUT_ENABLE02, 0x00); 2440576f5d4bSLad Prabhakar return 0; 2441576f5d4bSLad Prabhakar } 2442576f5d4bSLad Prabhakar 2443576f5d4bSLad Prabhakar /* 2444311a6408SLad Prabhakar * Note about parallel port configuration. 2445311a6408SLad Prabhakar * 2446311a6408SLad Prabhakar * When configured in parallel mode, the OV5640 will 2447311a6408SLad Prabhakar * output 10 bits data on DVP data lines [9:0]. 2448311a6408SLad Prabhakar * If only 8 bits data are wanted, the 8 bits data lines 2449311a6408SLad Prabhakar * of the camera interface must be physically connected 2450311a6408SLad Prabhakar * on the DVP data lines [9:2]. 2451311a6408SLad Prabhakar * 2452311a6408SLad Prabhakar * Control lines polarity can be configured through 2453311a6408SLad Prabhakar * devicetree endpoint control lines properties. 2454311a6408SLad Prabhakar * If no endpoint control lines properties are set, 2455311a6408SLad Prabhakar * polarity will be as below: 2456311a6408SLad Prabhakar * - VSYNC: active high 2457311a6408SLad Prabhakar * - HREF: active low 2458311a6408SLad Prabhakar * - PCLK: active low 245968579b32SHugues Fruchet * 246068579b32SHugues Fruchet * VSYNC & HREF are not configured if BT656 bus mode is selected 2461311a6408SLad Prabhakar */ 246268579b32SHugues Fruchet 246368579b32SHugues Fruchet /* 246468579b32SHugues Fruchet * BT656 embedded synchronization configuration 246568579b32SHugues Fruchet * 246668579b32SHugues Fruchet * CCIR656 CTRL00 246768579b32SHugues Fruchet * - [7]: SYNC code selection (0: auto generate sync code, 246868579b32SHugues Fruchet * 1: sync code from regs 0x4732-0x4735) 246968579b32SHugues Fruchet * - [6]: f value in CCIR656 SYNC code when fixed f value 247068579b32SHugues Fruchet * - [5]: Fixed f value 247168579b32SHugues Fruchet * - [4:3]: Blank toggle data options (00: data=1'h040/1'h200, 247268579b32SHugues Fruchet * 01: data from regs 0x4736-0x4738, 10: always keep 0) 247368579b32SHugues Fruchet * - [1]: Clip data disable 247468579b32SHugues Fruchet * - [0]: CCIR656 mode enable 247568579b32SHugues Fruchet * 247668579b32SHugues Fruchet * Default CCIR656 SAV/EAV mode with default codes 247768579b32SHugues Fruchet * SAV=0xff000080 & EAV=0xff00009d is enabled here with settings: 247868579b32SHugues Fruchet * - CCIR656 mode enable 247968579b32SHugues Fruchet * - auto generation of sync codes 248068579b32SHugues Fruchet * - blank toggle data 1'h040/1'h200 248168579b32SHugues Fruchet * - clip reserved data (0x00 & 0xff changed to 0x01 & 0xfe) 248268579b32SHugues Fruchet */ 248368579b32SHugues Fruchet ret = ov5640_write_reg(sensor, OV5640_REG_CCIR656_CTRL00, 248468579b32SHugues Fruchet bt656 ? 0x01 : 0x00); 248568579b32SHugues Fruchet if (ret) 248668579b32SHugues Fruchet return ret; 248768579b32SHugues Fruchet 2488311a6408SLad Prabhakar /* 2489311a6408SLad Prabhakar * configure parallel port control lines polarity 2490311a6408SLad Prabhakar * 2491311a6408SLad Prabhakar * POLARITY CTRL0 2492311a6408SLad Prabhakar * - [5]: PCLK polarity (0: active low, 1: active high) 2493311a6408SLad Prabhakar * - [1]: HREF polarity (0: active low, 1: active high) 2494311a6408SLad Prabhakar * - [0]: VSYNC polarity (mismatch here between 2495311a6408SLad Prabhakar * datasheet and hardware, 0 is active high 2496311a6408SLad Prabhakar * and 1 is active low...) 2497311a6408SLad Prabhakar */ 249868579b32SHugues Fruchet if (!bt656) { 2499311a6408SLad Prabhakar if (flags & V4L2_MBUS_HSYNC_ACTIVE_HIGH) 250068579b32SHugues Fruchet polarities |= BIT(1); 2501311a6408SLad Prabhakar if (flags & V4L2_MBUS_VSYNC_ACTIVE_LOW) 250268579b32SHugues Fruchet polarities |= BIT(0); 250368579b32SHugues Fruchet } 250468579b32SHugues Fruchet if (flags & V4L2_MBUS_PCLK_SAMPLE_RISING) 250568579b32SHugues Fruchet polarities |= BIT(5); 2506311a6408SLad Prabhakar 250768579b32SHugues Fruchet ret = ov5640_write_reg(sensor, OV5640_REG_POLARITY_CTRL00, polarities); 2508311a6408SLad Prabhakar if (ret) 2509311a6408SLad Prabhakar return ret; 2510311a6408SLad Prabhakar 2511311a6408SLad Prabhakar /* 251268579b32SHugues Fruchet * powerdown MIPI TX/RX PHY & enable DVP 2513311a6408SLad Prabhakar * 2514311a6408SLad Prabhakar * MIPI CONTROL 00 251568579b32SHugues Fruchet * [4] = 1 : Power down MIPI HS Tx 251668579b32SHugues Fruchet * [3] = 1 : Power down MIPI LS Rx 251768579b32SHugues Fruchet * [2] = 0 : DVP enable (MIPI disable) 2518311a6408SLad Prabhakar */ 2519311a6408SLad Prabhakar ret = ov5640_write_reg(sensor, OV5640_REG_IO_MIPI_CTRL00, 0x18); 2520311a6408SLad Prabhakar if (ret) 2521311a6408SLad Prabhakar return ret; 2522311a6408SLad Prabhakar 2523311a6408SLad Prabhakar /* 2524576f5d4bSLad Prabhakar * enable VSYNC/HREF/PCLK DVP control lines 2525576f5d4bSLad Prabhakar * & D[9:6] DVP data lines 2526576f5d4bSLad Prabhakar * 2527576f5d4bSLad Prabhakar * PAD OUTPUT ENABLE 01 2528576f5d4bSLad Prabhakar * - 6: VSYNC output enable 2529576f5d4bSLad Prabhakar * - 5: HREF output enable 2530576f5d4bSLad Prabhakar * - 4: PCLK output enable 2531576f5d4bSLad Prabhakar * - [3:0]: D[9:6] output enable 2532576f5d4bSLad Prabhakar */ 25334039b037SLad Prabhakar ret = ov5640_write_reg(sensor, OV5640_REG_PAD_OUTPUT_ENABLE01, 253468579b32SHugues Fruchet bt656 ? 0x1f : 0x7f); 2535576f5d4bSLad Prabhakar if (ret) 2536576f5d4bSLad Prabhakar return ret; 2537576f5d4bSLad Prabhakar 2538576f5d4bSLad Prabhakar /* 2539576f5d4bSLad Prabhakar * enable D[5:0] DVP data lines 2540576f5d4bSLad Prabhakar * 2541576f5d4bSLad Prabhakar * PAD OUTPUT ENABLE 02 2542576f5d4bSLad Prabhakar * - [7:2]: D[5:0] output enable 2543576f5d4bSLad Prabhakar */ 2544576f5d4bSLad Prabhakar return ov5640_write_reg(sensor, OV5640_REG_PAD_OUTPUT_ENABLE02, 0xfc); 2545576f5d4bSLad Prabhakar } 2546576f5d4bSLad Prabhakar 25470f7acb52SHugues Fruchet static int ov5640_set_power(struct ov5640_dev *sensor, bool on) 25480f7acb52SHugues Fruchet { 25490f7acb52SHugues Fruchet int ret = 0; 25500f7acb52SHugues Fruchet 25510f7acb52SHugues Fruchet if (on) { 25520f7acb52SHugues Fruchet ret = ov5640_set_power_on(sensor); 25530f7acb52SHugues Fruchet if (ret) 25540f7acb52SHugues Fruchet return ret; 25550f7acb52SHugues Fruchet 255619a81c14SSteve Longerbeam ret = ov5640_restore_mode(sensor); 255719a81c14SSteve Longerbeam if (ret) 255819a81c14SSteve Longerbeam goto power_off; 2559b1751ae6SLad Prabhakar } 256019a81c14SSteve Longerbeam 2561576f5d4bSLad Prabhakar if (sensor->ep.bus_type == V4L2_MBUS_CSI2_DPHY) 2562b1751ae6SLad Prabhakar ret = ov5640_set_power_mipi(sensor, on); 2563576f5d4bSLad Prabhakar else 2564576f5d4bSLad Prabhakar ret = ov5640_set_power_dvp(sensor, on); 2565b1751ae6SLad Prabhakar if (ret) 2566b1751ae6SLad Prabhakar goto power_off; 2567aa4bb8b8SJacopo Mondi 2568b1751ae6SLad Prabhakar if (!on) 2569aa4bb8b8SJacopo Mondi ov5640_set_power_off(sensor); 257019a81c14SSteve Longerbeam 257119a81c14SSteve Longerbeam return 0; 257219a81c14SSteve Longerbeam 257319a81c14SSteve Longerbeam power_off: 25740f7acb52SHugues Fruchet ov5640_set_power_off(sensor); 257519a81c14SSteve Longerbeam return ret; 257619a81c14SSteve Longerbeam } 257719a81c14SSteve Longerbeam 257819a81c14SSteve Longerbeam /* --------------- Subdev Operations --------------- */ 257919a81c14SSteve Longerbeam 258019a81c14SSteve Longerbeam static int ov5640_s_power(struct v4l2_subdev *sd, int on) 258119a81c14SSteve Longerbeam { 258219a81c14SSteve Longerbeam struct ov5640_dev *sensor = to_ov5640_dev(sd); 258319a81c14SSteve Longerbeam int ret = 0; 258419a81c14SSteve Longerbeam 258519a81c14SSteve Longerbeam mutex_lock(&sensor->lock); 258619a81c14SSteve Longerbeam 258719a81c14SSteve Longerbeam /* 258819a81c14SSteve Longerbeam * If the power count is modified from 0 to != 0 or from != 0 to 0, 258919a81c14SSteve Longerbeam * update the power state. 259019a81c14SSteve Longerbeam */ 259119a81c14SSteve Longerbeam if (sensor->power_count == !on) { 259219a81c14SSteve Longerbeam ret = ov5640_set_power(sensor, !!on); 259319a81c14SSteve Longerbeam if (ret) 259419a81c14SSteve Longerbeam goto out; 259519a81c14SSteve Longerbeam } 259619a81c14SSteve Longerbeam 259719a81c14SSteve Longerbeam /* Update the power count. */ 259819a81c14SSteve Longerbeam sensor->power_count += on ? 1 : -1; 259919a81c14SSteve Longerbeam WARN_ON(sensor->power_count < 0); 260019a81c14SSteve Longerbeam out: 260119a81c14SSteve Longerbeam mutex_unlock(&sensor->lock); 260219a81c14SSteve Longerbeam 260319a81c14SSteve Longerbeam if (on && !ret && sensor->power_count == 1) { 260419a81c14SSteve Longerbeam /* restore controls */ 260519a81c14SSteve Longerbeam ret = v4l2_ctrl_handler_setup(&sensor->ctrls.handler); 260619a81c14SSteve Longerbeam } 260719a81c14SSteve Longerbeam 260819a81c14SSteve Longerbeam return ret; 260919a81c14SSteve Longerbeam } 261019a81c14SSteve Longerbeam 261119a81c14SSteve Longerbeam static int ov5640_try_frame_interval(struct ov5640_dev *sensor, 261219a81c14SSteve Longerbeam struct v4l2_fract *fi, 261319a81c14SSteve Longerbeam u32 width, u32 height) 261419a81c14SSteve Longerbeam { 261519a81c14SSteve Longerbeam const struct ov5640_mode_info *mode; 26166530a5ebSJagan Teki enum ov5640_frame_rate rate = OV5640_15_FPS; 2617f6cc192fSMaxime Ripard int minfps, maxfps, best_fps, fps; 2618f6cc192fSMaxime Ripard int i; 261919a81c14SSteve Longerbeam 262019a81c14SSteve Longerbeam minfps = ov5640_framerates[OV5640_15_FPS]; 2621e823fb16SMaxime Ripard maxfps = ov5640_framerates[OV5640_60_FPS]; 262219a81c14SSteve Longerbeam 262319a81c14SSteve Longerbeam if (fi->numerator == 0) { 262419a81c14SSteve Longerbeam fi->denominator = maxfps; 262519a81c14SSteve Longerbeam fi->numerator = 1; 2626e823fb16SMaxime Ripard rate = OV5640_60_FPS; 2627e823fb16SMaxime Ripard goto find_mode; 262819a81c14SSteve Longerbeam } 262919a81c14SSteve Longerbeam 2630f6cc192fSMaxime Ripard fps = clamp_val(DIV_ROUND_CLOSEST(fi->denominator, fi->numerator), 2631f6cc192fSMaxime Ripard minfps, maxfps); 2632f6cc192fSMaxime Ripard 2633f6cc192fSMaxime Ripard best_fps = minfps; 2634f6cc192fSMaxime Ripard for (i = 0; i < ARRAY_SIZE(ov5640_framerates); i++) { 2635f6cc192fSMaxime Ripard int curr_fps = ov5640_framerates[i]; 2636f6cc192fSMaxime Ripard 2637f6cc192fSMaxime Ripard if (abs(curr_fps - fps) < abs(best_fps - fps)) { 2638f6cc192fSMaxime Ripard best_fps = curr_fps; 2639f6cc192fSMaxime Ripard rate = i; 2640f6cc192fSMaxime Ripard } 2641f6cc192fSMaxime Ripard } 264219a81c14SSteve Longerbeam 264319a81c14SSteve Longerbeam fi->numerator = 1; 2644f6cc192fSMaxime Ripard fi->denominator = best_fps; 264519a81c14SSteve Longerbeam 2646e823fb16SMaxime Ripard find_mode: 2647*b6ae5022SJacopo Mondi mode = ov5640_find_mode(sensor, width, height, false); 26485a3ad937SMaxime Ripard return mode ? rate : -EINVAL; 264919a81c14SSteve Longerbeam } 265019a81c14SSteve Longerbeam 265119a81c14SSteve Longerbeam static int ov5640_get_fmt(struct v4l2_subdev *sd, 26520d346d2aSTomi Valkeinen struct v4l2_subdev_state *sd_state, 265319a81c14SSteve Longerbeam struct v4l2_subdev_format *format) 265419a81c14SSteve Longerbeam { 265519a81c14SSteve Longerbeam struct ov5640_dev *sensor = to_ov5640_dev(sd); 265619a81c14SSteve Longerbeam struct v4l2_mbus_framefmt *fmt; 265719a81c14SSteve Longerbeam 265819a81c14SSteve Longerbeam if (format->pad != 0) 265919a81c14SSteve Longerbeam return -EINVAL; 266019a81c14SSteve Longerbeam 266119a81c14SSteve Longerbeam mutex_lock(&sensor->lock); 266219a81c14SSteve Longerbeam 266319a81c14SSteve Longerbeam if (format->which == V4L2_SUBDEV_FORMAT_TRY) 26640d346d2aSTomi Valkeinen fmt = v4l2_subdev_get_try_format(&sensor->sd, sd_state, 266519a81c14SSteve Longerbeam format->pad); 266619a81c14SSteve Longerbeam else 266719a81c14SSteve Longerbeam fmt = &sensor->fmt; 266819a81c14SSteve Longerbeam 266919a81c14SSteve Longerbeam format->format = *fmt; 267019a81c14SSteve Longerbeam 267119a81c14SSteve Longerbeam mutex_unlock(&sensor->lock); 267219a81c14SSteve Longerbeam 267319a81c14SSteve Longerbeam return 0; 267419a81c14SSteve Longerbeam } 267519a81c14SSteve Longerbeam 267619a81c14SSteve Longerbeam static int ov5640_try_fmt_internal(struct v4l2_subdev *sd, 267719a81c14SSteve Longerbeam struct v4l2_mbus_framefmt *fmt, 267819a81c14SSteve Longerbeam enum ov5640_frame_rate fr, 267919a81c14SSteve Longerbeam const struct ov5640_mode_info **new_mode) 268019a81c14SSteve Longerbeam { 268119a81c14SSteve Longerbeam struct ov5640_dev *sensor = to_ov5640_dev(sd); 268219a81c14SSteve Longerbeam const struct ov5640_mode_info *mode; 2683e3ee691dSHugues Fruchet int i; 268419a81c14SSteve Longerbeam 2685*b6ae5022SJacopo Mondi mode = ov5640_find_mode(sensor, fmt->width, fmt->height, true); 268619a81c14SSteve Longerbeam if (!mode) 268719a81c14SSteve Longerbeam return -EINVAL; 26885113d5b3SJacopo Mondi fmt->width = mode->width; 26895113d5b3SJacopo Mondi fmt->height = mode->height; 269019a81c14SSteve Longerbeam 269119a81c14SSteve Longerbeam if (new_mode) 269219a81c14SSteve Longerbeam *new_mode = mode; 2693e3ee691dSHugues Fruchet 2694e3ee691dSHugues Fruchet for (i = 0; i < ARRAY_SIZE(ov5640_formats); i++) 2695e3ee691dSHugues Fruchet if (ov5640_formats[i].code == fmt->code) 2696e3ee691dSHugues Fruchet break; 2697e3ee691dSHugues Fruchet if (i >= ARRAY_SIZE(ov5640_formats)) 2698e6441fdeSHugues Fruchet i = 0; 2699e6441fdeSHugues Fruchet 2700e6441fdeSHugues Fruchet fmt->code = ov5640_formats[i].code; 2701e6441fdeSHugues Fruchet fmt->colorspace = ov5640_formats[i].colorspace; 2702e6441fdeSHugues Fruchet fmt->ycbcr_enc = V4L2_MAP_YCBCR_ENC_DEFAULT(fmt->colorspace); 2703e6441fdeSHugues Fruchet fmt->quantization = V4L2_QUANTIZATION_FULL_RANGE; 2704e6441fdeSHugues Fruchet fmt->xfer_func = V4L2_MAP_XFER_FUNC_DEFAULT(fmt->colorspace); 2705e3ee691dSHugues Fruchet 270619a81c14SSteve Longerbeam return 0; 270719a81c14SSteve Longerbeam } 270819a81c14SSteve Longerbeam 27093c28588fSJacopo Mondi static int ov5640_update_pixel_rate(struct ov5640_dev *sensor) 27103c28588fSJacopo Mondi { 27113c28588fSJacopo Mondi const struct ov5640_mode_info *mode = sensor->current_mode; 27123c28588fSJacopo Mondi enum ov5640_pixel_rate_id pixel_rate_id = mode->pixel_rate; 27133c28588fSJacopo Mondi struct v4l2_mbus_framefmt *fmt = &sensor->fmt; 271432979f67SJacopo Mondi const struct ov5640_timings *timings; 2715bce93b82SJacopo Mondi s32 exposure_val, exposure_max; 271632979f67SJacopo Mondi unsigned int hblank; 27173c28588fSJacopo Mondi unsigned int i = 0; 27183c28588fSJacopo Mondi u32 pixel_rate; 27193c28588fSJacopo Mondi s64 link_freq; 27203c28588fSJacopo Mondi u32 num_lanes; 272119f2e3e6SHugues Fruchet u32 vblank; 27223c28588fSJacopo Mondi u32 bpp; 27233c28588fSJacopo Mondi 27243c28588fSJacopo Mondi /* 27253c28588fSJacopo Mondi * Update the pixel rate control value. 27263c28588fSJacopo Mondi * 27273c28588fSJacopo Mondi * For DVP mode, maintain the pixel rate calculation using fixed FPS. 27283c28588fSJacopo Mondi */ 27293c28588fSJacopo Mondi if (!ov5640_is_csi2(sensor)) { 27303c28588fSJacopo Mondi __v4l2_ctrl_s_ctrl_int64(sensor->ctrls.pixel_rate, 27313c28588fSJacopo Mondi ov5640_calc_pixel_rate(sensor)); 27323c28588fSJacopo Mondi 27333c28588fSJacopo Mondi return 0; 27343c28588fSJacopo Mondi } 27353c28588fSJacopo Mondi 27363c28588fSJacopo Mondi /* 27373c28588fSJacopo Mondi * The MIPI CSI-2 link frequency should comply with the CSI-2 27383c28588fSJacopo Mondi * specification and be lower than 1GHz. 27393c28588fSJacopo Mondi * 27403c28588fSJacopo Mondi * Start from the suggested pixel_rate for the current mode and 27413c28588fSJacopo Mondi * progressively slow it down if it exceeds 1GHz. 27423c28588fSJacopo Mondi */ 27433c28588fSJacopo Mondi num_lanes = sensor->ep.bus.mipi_csi2.num_data_lanes; 27443c28588fSJacopo Mondi bpp = ov5640_code_to_bpp(fmt->code); 27453c28588fSJacopo Mondi do { 27463c28588fSJacopo Mondi pixel_rate = ov5640_pixel_rates[pixel_rate_id]; 27473c28588fSJacopo Mondi link_freq = pixel_rate * bpp / (2 * num_lanes); 27483c28588fSJacopo Mondi } while (link_freq >= 1000000000U && 27493c28588fSJacopo Mondi ++pixel_rate_id < OV5640_NUM_PIXEL_RATES); 27503c28588fSJacopo Mondi 27513c28588fSJacopo Mondi sensor->current_link_freq = link_freq; 27523c28588fSJacopo Mondi 27533c28588fSJacopo Mondi /* 27543c28588fSJacopo Mondi * Higher link rates require the clock tree to be programmed with 27553c28588fSJacopo Mondi * 'mipi_div' = 1; this has the effect of halving the actual output 27563c28588fSJacopo Mondi * pixel rate in the MIPI domain. 27573c28588fSJacopo Mondi * 27583c28588fSJacopo Mondi * Adjust the pixel rate and link frequency control value to report it 27593c28588fSJacopo Mondi * correctly to userspace. 27603c28588fSJacopo Mondi */ 27613c28588fSJacopo Mondi if (link_freq > OV5640_LINK_RATE_MAX) { 27623c28588fSJacopo Mondi pixel_rate /= 2; 27633c28588fSJacopo Mondi link_freq /= 2; 27643c28588fSJacopo Mondi } 27653c28588fSJacopo Mondi 27663c28588fSJacopo Mondi for (i = 0; i < ARRAY_SIZE(ov5640_csi2_link_freqs); ++i) { 27673c28588fSJacopo Mondi if (ov5640_csi2_link_freqs[i] == link_freq) 27683c28588fSJacopo Mondi break; 27693c28588fSJacopo Mondi } 27703c28588fSJacopo Mondi WARN_ON(i == ARRAY_SIZE(ov5640_csi2_link_freqs)); 27713c28588fSJacopo Mondi 27723c28588fSJacopo Mondi __v4l2_ctrl_s_ctrl_int64(sensor->ctrls.pixel_rate, pixel_rate); 27733c28588fSJacopo Mondi __v4l2_ctrl_s_ctrl(sensor->ctrls.link_freq, i); 27743c28588fSJacopo Mondi 277532979f67SJacopo Mondi timings = ov5640_timings(sensor, mode); 277632979f67SJacopo Mondi hblank = timings->htot - mode->width; 277732979f67SJacopo Mondi __v4l2_ctrl_modify_range(sensor->ctrls.hblank, 277832979f67SJacopo Mondi hblank, hblank, 1, hblank); 277932979f67SJacopo Mondi 278019f2e3e6SHugues Fruchet vblank = timings->vblank_def; 2781bce93b82SJacopo Mondi 278219f2e3e6SHugues Fruchet if (sensor->current_fr != mode->def_fps) { 278319f2e3e6SHugues Fruchet /* 278419f2e3e6SHugues Fruchet * Compute the vertical blanking according to the framerate 278519f2e3e6SHugues Fruchet * configured with s_frame_interval. 278619f2e3e6SHugues Fruchet */ 278719f2e3e6SHugues Fruchet int fie_num = sensor->frame_interval.numerator; 278819f2e3e6SHugues Fruchet int fie_denom = sensor->frame_interval.denominator; 278919f2e3e6SHugues Fruchet 279019f2e3e6SHugues Fruchet vblank = ((fie_num * pixel_rate / fie_denom) / timings->htot) - 279119f2e3e6SHugues Fruchet mode->height; 279219f2e3e6SHugues Fruchet } 279319f2e3e6SHugues Fruchet 279419f2e3e6SHugues Fruchet __v4l2_ctrl_modify_range(sensor->ctrls.vblank, OV5640_MIN_VBLANK, 279519f2e3e6SHugues Fruchet OV5640_MAX_VTS - mode->height, 1, vblank); 279619f2e3e6SHugues Fruchet __v4l2_ctrl_s_ctrl(sensor->ctrls.vblank, vblank); 279719f2e3e6SHugues Fruchet 279819f2e3e6SHugues Fruchet exposure_max = timings->crop.height + vblank - 4; 2799bce93b82SJacopo Mondi exposure_val = clamp_t(s32, sensor->ctrls.exposure->val, 2800bce93b82SJacopo Mondi sensor->ctrls.exposure->minimum, 2801bce93b82SJacopo Mondi exposure_max); 280219f2e3e6SHugues Fruchet 2803bce93b82SJacopo Mondi __v4l2_ctrl_modify_range(sensor->ctrls.exposure, 2804bce93b82SJacopo Mondi sensor->ctrls.exposure->minimum, 2805bce93b82SJacopo Mondi exposure_max, 1, exposure_val); 2806bce93b82SJacopo Mondi 28073c28588fSJacopo Mondi return 0; 28083c28588fSJacopo Mondi } 28093c28588fSJacopo Mondi 281019a81c14SSteve Longerbeam static int ov5640_set_fmt(struct v4l2_subdev *sd, 28110d346d2aSTomi Valkeinen struct v4l2_subdev_state *sd_state, 281219a81c14SSteve Longerbeam struct v4l2_subdev_format *format) 281319a81c14SSteve Longerbeam { 281419a81c14SSteve Longerbeam struct ov5640_dev *sensor = to_ov5640_dev(sd); 281519a81c14SSteve Longerbeam const struct ov5640_mode_info *new_mode; 2816e6441fdeSHugues Fruchet struct v4l2_mbus_framefmt *mbus_fmt = &format->format; 281719a81c14SSteve Longerbeam int ret; 281819a81c14SSteve Longerbeam 281919a81c14SSteve Longerbeam if (format->pad != 0) 282019a81c14SSteve Longerbeam return -EINVAL; 282119a81c14SSteve Longerbeam 282219a81c14SSteve Longerbeam mutex_lock(&sensor->lock); 282319a81c14SSteve Longerbeam 282419a81c14SSteve Longerbeam if (sensor->streaming) { 282519a81c14SSteve Longerbeam ret = -EBUSY; 282619a81c14SSteve Longerbeam goto out; 282719a81c14SSteve Longerbeam } 282819a81c14SSteve Longerbeam 2829e6441fdeSHugues Fruchet ret = ov5640_try_fmt_internal(sd, mbus_fmt, 283019a81c14SSteve Longerbeam sensor->current_fr, &new_mode); 283119a81c14SSteve Longerbeam if (ret) 283219a81c14SSteve Longerbeam goto out; 283319a81c14SSteve Longerbeam 2834e738f5ddSMirela Rabulea if (format->which == V4L2_SUBDEV_FORMAT_TRY) { 2835e738f5ddSMirela Rabulea *v4l2_subdev_get_try_format(sd, sd_state, 0) = *mbus_fmt; 2836e738f5ddSMirela Rabulea goto out; 2837e738f5ddSMirela Rabulea } 283819a81c14SSteve Longerbeam 28396949d864SHugues Fruchet if (new_mode != sensor->current_mode) { 284019f2e3e6SHugues Fruchet sensor->current_fr = new_mode->def_fps; 284119a81c14SSteve Longerbeam sensor->current_mode = new_mode; 284219a81c14SSteve Longerbeam sensor->pending_mode_change = true; 28436949d864SHugues Fruchet } 284407115449SJacopo Mondi if (mbus_fmt->code != sensor->fmt.code) 2845fb98e29fSHugues Fruchet sensor->pending_fmt_change = true; 284607115449SJacopo Mondi 2847e738f5ddSMirela Rabulea /* update format even if code is unchanged, resolution might change */ 2848e738f5ddSMirela Rabulea sensor->fmt = *mbus_fmt; 2849e738f5ddSMirela Rabulea 28503c28588fSJacopo Mondi ov5640_update_pixel_rate(sensor); 28513c28588fSJacopo Mondi 285219a81c14SSteve Longerbeam out: 285319a81c14SSteve Longerbeam mutex_unlock(&sensor->lock); 285419a81c14SSteve Longerbeam return ret; 285519a81c14SSteve Longerbeam } 285619a81c14SSteve Longerbeam 2857e3ee691dSHugues Fruchet static int ov5640_set_framefmt(struct ov5640_dev *sensor, 2858e3ee691dSHugues Fruchet struct v4l2_mbus_framefmt *format) 2859e3ee691dSHugues Fruchet { 2860e3ee691dSHugues Fruchet int ret = 0; 2861d47c4126SHugues Fruchet bool is_jpeg = false; 2862b7ed3abdSLoic Poulain u8 fmt, mux; 2863e3ee691dSHugues Fruchet 2864e3ee691dSHugues Fruchet switch (format->code) { 28651536fbdbSXavier Roumegue case MEDIA_BUS_FMT_UYVY8_1X16: 2866e3ee691dSHugues Fruchet case MEDIA_BUS_FMT_UYVY8_2X8: 2867e3ee691dSHugues Fruchet /* YUV422, UYVY */ 2868b7ed3abdSLoic Poulain fmt = 0x3f; 2869b7ed3abdSLoic Poulain mux = OV5640_FMT_MUX_YUV422; 2870e3ee691dSHugues Fruchet break; 28711536fbdbSXavier Roumegue case MEDIA_BUS_FMT_YUYV8_1X16: 2872e3ee691dSHugues Fruchet case MEDIA_BUS_FMT_YUYV8_2X8: 2873e3ee691dSHugues Fruchet /* YUV422, YUYV */ 2874b7ed3abdSLoic Poulain fmt = 0x30; 2875b7ed3abdSLoic Poulain mux = OV5640_FMT_MUX_YUV422; 2876e3ee691dSHugues Fruchet break; 2877e3ee691dSHugues Fruchet case MEDIA_BUS_FMT_RGB565_2X8_LE: 2878e3ee691dSHugues Fruchet /* RGB565 {g[2:0],b[4:0]},{r[4:0],g[5:3]} */ 2879b7ed3abdSLoic Poulain fmt = 0x6F; 2880b7ed3abdSLoic Poulain mux = OV5640_FMT_MUX_RGB; 2881e3ee691dSHugues Fruchet break; 2882e3ee691dSHugues Fruchet case MEDIA_BUS_FMT_RGB565_2X8_BE: 2883e3ee691dSHugues Fruchet /* RGB565 {r[4:0],g[5:3]},{g[2:0],b[4:0]} */ 2884b7ed3abdSLoic Poulain fmt = 0x61; 2885b7ed3abdSLoic Poulain mux = OV5640_FMT_MUX_RGB; 2886e3ee691dSHugues Fruchet break; 2887d47c4126SHugues Fruchet case MEDIA_BUS_FMT_JPEG_1X8: 2888d47c4126SHugues Fruchet /* YUV422, YUYV */ 2889b7ed3abdSLoic Poulain fmt = 0x30; 2890b7ed3abdSLoic Poulain mux = OV5640_FMT_MUX_YUV422; 2891d47c4126SHugues Fruchet is_jpeg = true; 2892d47c4126SHugues Fruchet break; 2893b7ed3abdSLoic Poulain case MEDIA_BUS_FMT_SBGGR8_1X8: 2894b7ed3abdSLoic Poulain /* Raw, BGBG... / GRGR... */ 2895b7ed3abdSLoic Poulain fmt = 0x00; 2896b7ed3abdSLoic Poulain mux = OV5640_FMT_MUX_RAW_DPC; 2897b7ed3abdSLoic Poulain break; 2898b7ed3abdSLoic Poulain case MEDIA_BUS_FMT_SGBRG8_1X8: 2899b7ed3abdSLoic Poulain /* Raw bayer, GBGB... / RGRG... */ 2900b7ed3abdSLoic Poulain fmt = 0x01; 2901b7ed3abdSLoic Poulain mux = OV5640_FMT_MUX_RAW_DPC; 2902b7ed3abdSLoic Poulain break; 2903b7ed3abdSLoic Poulain case MEDIA_BUS_FMT_SGRBG8_1X8: 2904b7ed3abdSLoic Poulain /* Raw bayer, GRGR... / BGBG... */ 2905b7ed3abdSLoic Poulain fmt = 0x02; 2906b7ed3abdSLoic Poulain mux = OV5640_FMT_MUX_RAW_DPC; 2907b7ed3abdSLoic Poulain break; 2908b7ed3abdSLoic Poulain case MEDIA_BUS_FMT_SRGGB8_1X8: 2909b7ed3abdSLoic Poulain /* Raw bayer, RGRG... / GBGB... */ 2910b7ed3abdSLoic Poulain fmt = 0x03; 2911b7ed3abdSLoic Poulain mux = OV5640_FMT_MUX_RAW_DPC; 2912b7ed3abdSLoic Poulain break; 2913e3ee691dSHugues Fruchet default: 2914e3ee691dSHugues Fruchet return -EINVAL; 2915e3ee691dSHugues Fruchet } 2916e3ee691dSHugues Fruchet 2917e3ee691dSHugues Fruchet /* FORMAT CONTROL00: YUV and RGB formatting */ 2918b7ed3abdSLoic Poulain ret = ov5640_write_reg(sensor, OV5640_REG_FORMAT_CONTROL00, fmt); 2919e3ee691dSHugues Fruchet if (ret) 2920e3ee691dSHugues Fruchet return ret; 2921e3ee691dSHugues Fruchet 2922e3ee691dSHugues Fruchet /* FORMAT MUX CONTROL: ISP YUV or RGB */ 2923b7ed3abdSLoic Poulain ret = ov5640_write_reg(sensor, OV5640_REG_ISP_FORMAT_MUX_CTRL, mux); 2924d47c4126SHugues Fruchet if (ret) 2925d47c4126SHugues Fruchet return ret; 2926d47c4126SHugues Fruchet 2927d47c4126SHugues Fruchet /* 2928d47c4126SHugues Fruchet * TIMING TC REG21: 2929d47c4126SHugues Fruchet * - [5]: JPEG enable 2930d47c4126SHugues Fruchet */ 2931d47c4126SHugues Fruchet ret = ov5640_mod_reg(sensor, OV5640_REG_TIMING_TC_REG21, 2932d47c4126SHugues Fruchet BIT(5), is_jpeg ? BIT(5) : 0); 2933d47c4126SHugues Fruchet if (ret) 2934d47c4126SHugues Fruchet return ret; 2935d47c4126SHugues Fruchet 2936d47c4126SHugues Fruchet /* 2937d47c4126SHugues Fruchet * SYSTEM RESET02: 2938d47c4126SHugues Fruchet * - [4]: Reset JFIFO 2939d47c4126SHugues Fruchet * - [3]: Reset SFIFO 2940d47c4126SHugues Fruchet * - [2]: Reset JPEG 2941d47c4126SHugues Fruchet */ 2942d47c4126SHugues Fruchet ret = ov5640_mod_reg(sensor, OV5640_REG_SYS_RESET02, 2943d47c4126SHugues Fruchet BIT(4) | BIT(3) | BIT(2), 2944d47c4126SHugues Fruchet is_jpeg ? 0 : (BIT(4) | BIT(3) | BIT(2))); 2945d47c4126SHugues Fruchet if (ret) 2946d47c4126SHugues Fruchet return ret; 2947d47c4126SHugues Fruchet 2948d47c4126SHugues Fruchet /* 2949d47c4126SHugues Fruchet * CLOCK ENABLE02: 2950d47c4126SHugues Fruchet * - [5]: Enable JPEG 2x clock 2951d47c4126SHugues Fruchet * - [3]: Enable JPEG clock 2952d47c4126SHugues Fruchet */ 2953d47c4126SHugues Fruchet return ov5640_mod_reg(sensor, OV5640_REG_SYS_CLOCK_ENABLE02, 2954d47c4126SHugues Fruchet BIT(5) | BIT(3), 2955d47c4126SHugues Fruchet is_jpeg ? (BIT(5) | BIT(3)) : 0); 2956e3ee691dSHugues Fruchet } 295719a81c14SSteve Longerbeam 295819a81c14SSteve Longerbeam /* 295919a81c14SSteve Longerbeam * Sensor Controls. 296019a81c14SSteve Longerbeam */ 296119a81c14SSteve Longerbeam 296219a81c14SSteve Longerbeam static int ov5640_set_ctrl_hue(struct ov5640_dev *sensor, int value) 296319a81c14SSteve Longerbeam { 296419a81c14SSteve Longerbeam int ret; 296519a81c14SSteve Longerbeam 296619a81c14SSteve Longerbeam if (value) { 296719a81c14SSteve Longerbeam ret = ov5640_mod_reg(sensor, OV5640_REG_SDE_CTRL0, 296819a81c14SSteve Longerbeam BIT(0), BIT(0)); 296919a81c14SSteve Longerbeam if (ret) 297019a81c14SSteve Longerbeam return ret; 297119a81c14SSteve Longerbeam ret = ov5640_write_reg16(sensor, OV5640_REG_SDE_CTRL1, value); 297219a81c14SSteve Longerbeam } else { 297319a81c14SSteve Longerbeam ret = ov5640_mod_reg(sensor, OV5640_REG_SDE_CTRL0, BIT(0), 0); 297419a81c14SSteve Longerbeam } 297519a81c14SSteve Longerbeam 297619a81c14SSteve Longerbeam return ret; 297719a81c14SSteve Longerbeam } 297819a81c14SSteve Longerbeam 297919a81c14SSteve Longerbeam static int ov5640_set_ctrl_contrast(struct ov5640_dev *sensor, int value) 298019a81c14SSteve Longerbeam { 298119a81c14SSteve Longerbeam int ret; 298219a81c14SSteve Longerbeam 298319a81c14SSteve Longerbeam if (value) { 298419a81c14SSteve Longerbeam ret = ov5640_mod_reg(sensor, OV5640_REG_SDE_CTRL0, 298519a81c14SSteve Longerbeam BIT(2), BIT(2)); 298619a81c14SSteve Longerbeam if (ret) 298719a81c14SSteve Longerbeam return ret; 298819a81c14SSteve Longerbeam ret = ov5640_write_reg(sensor, OV5640_REG_SDE_CTRL5, 298919a81c14SSteve Longerbeam value & 0xff); 299019a81c14SSteve Longerbeam } else { 299119a81c14SSteve Longerbeam ret = ov5640_mod_reg(sensor, OV5640_REG_SDE_CTRL0, BIT(2), 0); 299219a81c14SSteve Longerbeam } 299319a81c14SSteve Longerbeam 299419a81c14SSteve Longerbeam return ret; 299519a81c14SSteve Longerbeam } 299619a81c14SSteve Longerbeam 299719a81c14SSteve Longerbeam static int ov5640_set_ctrl_saturation(struct ov5640_dev *sensor, int value) 299819a81c14SSteve Longerbeam { 299919a81c14SSteve Longerbeam int ret; 300019a81c14SSteve Longerbeam 300119a81c14SSteve Longerbeam if (value) { 300219a81c14SSteve Longerbeam ret = ov5640_mod_reg(sensor, OV5640_REG_SDE_CTRL0, 300319a81c14SSteve Longerbeam BIT(1), BIT(1)); 300419a81c14SSteve Longerbeam if (ret) 300519a81c14SSteve Longerbeam return ret; 300619a81c14SSteve Longerbeam ret = ov5640_write_reg(sensor, OV5640_REG_SDE_CTRL3, 300719a81c14SSteve Longerbeam value & 0xff); 300819a81c14SSteve Longerbeam if (ret) 300919a81c14SSteve Longerbeam return ret; 301019a81c14SSteve Longerbeam ret = ov5640_write_reg(sensor, OV5640_REG_SDE_CTRL4, 301119a81c14SSteve Longerbeam value & 0xff); 301219a81c14SSteve Longerbeam } else { 301319a81c14SSteve Longerbeam ret = ov5640_mod_reg(sensor, OV5640_REG_SDE_CTRL0, BIT(1), 0); 301419a81c14SSteve Longerbeam } 301519a81c14SSteve Longerbeam 301619a81c14SSteve Longerbeam return ret; 301719a81c14SSteve Longerbeam } 301819a81c14SSteve Longerbeam 301919a81c14SSteve Longerbeam static int ov5640_set_ctrl_white_balance(struct ov5640_dev *sensor, int awb) 302019a81c14SSteve Longerbeam { 302119a81c14SSteve Longerbeam int ret; 302219a81c14SSteve Longerbeam 302319a81c14SSteve Longerbeam ret = ov5640_mod_reg(sensor, OV5640_REG_AWB_MANUAL_CTRL, 302419a81c14SSteve Longerbeam BIT(0), awb ? 0 : 1); 302519a81c14SSteve Longerbeam if (ret) 302619a81c14SSteve Longerbeam return ret; 302719a81c14SSteve Longerbeam 302819a81c14SSteve Longerbeam if (!awb) { 302919a81c14SSteve Longerbeam u16 red = (u16)sensor->ctrls.red_balance->val; 303019a81c14SSteve Longerbeam u16 blue = (u16)sensor->ctrls.blue_balance->val; 303119a81c14SSteve Longerbeam 303219a81c14SSteve Longerbeam ret = ov5640_write_reg16(sensor, OV5640_REG_AWB_R_GAIN, red); 303319a81c14SSteve Longerbeam if (ret) 303419a81c14SSteve Longerbeam return ret; 303519a81c14SSteve Longerbeam ret = ov5640_write_reg16(sensor, OV5640_REG_AWB_B_GAIN, blue); 303619a81c14SSteve Longerbeam } 303719a81c14SSteve Longerbeam 303819a81c14SSteve Longerbeam return ret; 303919a81c14SSteve Longerbeam } 304019a81c14SSteve Longerbeam 30413cca8ef5SHugues Fruchet static int ov5640_set_ctrl_exposure(struct ov5640_dev *sensor, 30423cca8ef5SHugues Fruchet enum v4l2_exposure_auto_type auto_exposure) 304319a81c14SSteve Longerbeam { 304419a81c14SSteve Longerbeam struct ov5640_ctrls *ctrls = &sensor->ctrls; 30453cca8ef5SHugues Fruchet bool auto_exp = (auto_exposure == V4L2_EXPOSURE_AUTO); 304619a81c14SSteve Longerbeam int ret = 0; 304719a81c14SSteve Longerbeam 304819a81c14SSteve Longerbeam if (ctrls->auto_exp->is_new) { 30493cca8ef5SHugues Fruchet ret = ov5640_set_autoexposure(sensor, auto_exp); 305019a81c14SSteve Longerbeam if (ret) 305119a81c14SSteve Longerbeam return ret; 305219a81c14SSteve Longerbeam } 305319a81c14SSteve Longerbeam 30543cca8ef5SHugues Fruchet if (!auto_exp && ctrls->exposure->is_new) { 305519a81c14SSteve Longerbeam u16 max_exp; 305619a81c14SSteve Longerbeam 305719a81c14SSteve Longerbeam ret = ov5640_read_reg16(sensor, OV5640_REG_AEC_PK_VTS, 305819a81c14SSteve Longerbeam &max_exp); 305919a81c14SSteve Longerbeam if (ret) 306019a81c14SSteve Longerbeam return ret; 306119a81c14SSteve Longerbeam ret = ov5640_get_vts(sensor); 306219a81c14SSteve Longerbeam if (ret < 0) 306319a81c14SSteve Longerbeam return ret; 306419a81c14SSteve Longerbeam max_exp += ret; 30656146fde3SHugues Fruchet ret = 0; 306619a81c14SSteve Longerbeam 306719a81c14SSteve Longerbeam if (ctrls->exposure->val < max_exp) 306819a81c14SSteve Longerbeam ret = ov5640_set_exposure(sensor, ctrls->exposure->val); 306919a81c14SSteve Longerbeam } 307019a81c14SSteve Longerbeam 307119a81c14SSteve Longerbeam return ret; 307219a81c14SSteve Longerbeam } 307319a81c14SSteve Longerbeam 30743cca8ef5SHugues Fruchet static int ov5640_set_ctrl_gain(struct ov5640_dev *sensor, bool auto_gain) 307519a81c14SSteve Longerbeam { 307619a81c14SSteve Longerbeam struct ov5640_ctrls *ctrls = &sensor->ctrls; 307719a81c14SSteve Longerbeam int ret = 0; 307819a81c14SSteve Longerbeam 307919a81c14SSteve Longerbeam if (ctrls->auto_gain->is_new) { 30803cca8ef5SHugues Fruchet ret = ov5640_set_autogain(sensor, auto_gain); 308119a81c14SSteve Longerbeam if (ret) 308219a81c14SSteve Longerbeam return ret; 308319a81c14SSteve Longerbeam } 308419a81c14SSteve Longerbeam 30853cca8ef5SHugues Fruchet if (!auto_gain && ctrls->gain->is_new) 30863cca8ef5SHugues Fruchet ret = ov5640_set_gain(sensor, ctrls->gain->val); 308719a81c14SSteve Longerbeam 308819a81c14SSteve Longerbeam return ret; 308919a81c14SSteve Longerbeam } 309019a81c14SSteve Longerbeam 30919f6d7bacSChen-Yu Tsai static const char * const test_pattern_menu[] = { 30929f6d7bacSChen-Yu Tsai "Disabled", 30939f6d7bacSChen-Yu Tsai "Color bars", 3094bddc5cdfSChen-Yu Tsai "Color bars w/ rolling bar", 3095bddc5cdfSChen-Yu Tsai "Color squares", 3096bddc5cdfSChen-Yu Tsai "Color squares w/ rolling bar", 30979f6d7bacSChen-Yu Tsai }; 30989f6d7bacSChen-Yu Tsai 3099a0c29afbSChen-Yu Tsai #define OV5640_TEST_ENABLE BIT(7) 3100a0c29afbSChen-Yu Tsai #define OV5640_TEST_ROLLING BIT(6) /* rolling horizontal bar */ 3101a0c29afbSChen-Yu Tsai #define OV5640_TEST_TRANSPARENT BIT(5) 3102a0c29afbSChen-Yu Tsai #define OV5640_TEST_SQUARE_BW BIT(4) /* black & white squares */ 3103a0c29afbSChen-Yu Tsai #define OV5640_TEST_BAR_STANDARD (0 << 2) 3104a0c29afbSChen-Yu Tsai #define OV5640_TEST_BAR_VERT_CHANGE_1 (1 << 2) 3105a0c29afbSChen-Yu Tsai #define OV5640_TEST_BAR_HOR_CHANGE (2 << 2) 3106a0c29afbSChen-Yu Tsai #define OV5640_TEST_BAR_VERT_CHANGE_2 (3 << 2) 3107a0c29afbSChen-Yu Tsai #define OV5640_TEST_BAR (0 << 0) 3108a0c29afbSChen-Yu Tsai #define OV5640_TEST_RANDOM (1 << 0) 3109a0c29afbSChen-Yu Tsai #define OV5640_TEST_SQUARE (2 << 0) 3110a0c29afbSChen-Yu Tsai #define OV5640_TEST_BLACK (3 << 0) 3111a0c29afbSChen-Yu Tsai 3112a0c29afbSChen-Yu Tsai static const u8 test_pattern_val[] = { 3113a0c29afbSChen-Yu Tsai 0, 31142aff1fc3SChen-Yu Tsai OV5640_TEST_ENABLE | OV5640_TEST_BAR_VERT_CHANGE_1 | 3115a0c29afbSChen-Yu Tsai OV5640_TEST_BAR, 3116bddc5cdfSChen-Yu Tsai OV5640_TEST_ENABLE | OV5640_TEST_ROLLING | 3117bddc5cdfSChen-Yu Tsai OV5640_TEST_BAR_VERT_CHANGE_1 | OV5640_TEST_BAR, 3118bddc5cdfSChen-Yu Tsai OV5640_TEST_ENABLE | OV5640_TEST_SQUARE, 3119bddc5cdfSChen-Yu Tsai OV5640_TEST_ENABLE | OV5640_TEST_ROLLING | OV5640_TEST_SQUARE, 3120a0c29afbSChen-Yu Tsai }; 3121a0c29afbSChen-Yu Tsai 312219a81c14SSteve Longerbeam static int ov5640_set_ctrl_test_pattern(struct ov5640_dev *sensor, int value) 312319a81c14SSteve Longerbeam { 3124a0c29afbSChen-Yu Tsai return ov5640_write_reg(sensor, OV5640_REG_PRE_ISP_TEST_SET1, 3125a0c29afbSChen-Yu Tsai test_pattern_val[value]); 312619a81c14SSteve Longerbeam } 312719a81c14SSteve Longerbeam 31281068fecaSMylène Josserand static int ov5640_set_ctrl_light_freq(struct ov5640_dev *sensor, int value) 31291068fecaSMylène Josserand { 31301068fecaSMylène Josserand int ret; 31311068fecaSMylène Josserand 31321068fecaSMylène Josserand ret = ov5640_mod_reg(sensor, OV5640_REG_HZ5060_CTRL01, BIT(7), 31331068fecaSMylène Josserand (value == V4L2_CID_POWER_LINE_FREQUENCY_AUTO) ? 31341068fecaSMylène Josserand 0 : BIT(7)); 31351068fecaSMylène Josserand if (ret) 31361068fecaSMylène Josserand return ret; 31371068fecaSMylène Josserand 31381068fecaSMylène Josserand return ov5640_mod_reg(sensor, OV5640_REG_HZ5060_CTRL00, BIT(2), 31391068fecaSMylène Josserand (value == V4L2_CID_POWER_LINE_FREQUENCY_50HZ) ? 31401068fecaSMylène Josserand BIT(2) : 0); 31411068fecaSMylène Josserand } 31421068fecaSMylène Josserand 3143ce85705aSHugues Fruchet static int ov5640_set_ctrl_hflip(struct ov5640_dev *sensor, int value) 3144ce85705aSHugues Fruchet { 3145ce85705aSHugues Fruchet /* 3146c3f3ba3eSHugues Fruchet * If sensor is mounted upside down, mirror logic is inversed. 3147c3f3ba3eSHugues Fruchet * 3148ce85705aSHugues Fruchet * Sensor is a BSI (Back Side Illuminated) one, 3149ce85705aSHugues Fruchet * so image captured is physically mirrored. 3150ce85705aSHugues Fruchet * This is why mirror logic is inversed in 3151ce85705aSHugues Fruchet * order to cancel this mirror effect. 3152ce85705aSHugues Fruchet */ 3153ce85705aSHugues Fruchet 3154ce85705aSHugues Fruchet /* 3155ce85705aSHugues Fruchet * TIMING TC REG21: 3156ce85705aSHugues Fruchet * - [2]: ISP mirror 3157ce85705aSHugues Fruchet * - [1]: Sensor mirror 3158ce85705aSHugues Fruchet */ 3159ce85705aSHugues Fruchet return ov5640_mod_reg(sensor, OV5640_REG_TIMING_TC_REG21, 3160ce85705aSHugues Fruchet BIT(2) | BIT(1), 3161c3f3ba3eSHugues Fruchet (!(value ^ sensor->upside_down)) ? 3162c3f3ba3eSHugues Fruchet (BIT(2) | BIT(1)) : 0); 3163ce85705aSHugues Fruchet } 3164ce85705aSHugues Fruchet 3165ce85705aSHugues Fruchet static int ov5640_set_ctrl_vflip(struct ov5640_dev *sensor, int value) 3166ce85705aSHugues Fruchet { 3167c3f3ba3eSHugues Fruchet /* If sensor is mounted upside down, flip logic is inversed */ 3168c3f3ba3eSHugues Fruchet 3169ce85705aSHugues Fruchet /* 3170ce85705aSHugues Fruchet * TIMING TC REG20: 3171ce85705aSHugues Fruchet * - [2]: ISP vflip 3172ce85705aSHugues Fruchet * - [1]: Sensor vflip 3173ce85705aSHugues Fruchet */ 3174ce85705aSHugues Fruchet return ov5640_mod_reg(sensor, OV5640_REG_TIMING_TC_REG20, 3175ce85705aSHugues Fruchet BIT(2) | BIT(1), 3176c3f3ba3eSHugues Fruchet (value ^ sensor->upside_down) ? 3177c3f3ba3eSHugues Fruchet (BIT(2) | BIT(1)) : 0); 3178ce85705aSHugues Fruchet } 3179ce85705aSHugues Fruchet 3180bce93b82SJacopo Mondi static int ov5640_set_ctrl_vblank(struct ov5640_dev *sensor, int value) 3181bce93b82SJacopo Mondi { 3182bce93b82SJacopo Mondi const struct ov5640_mode_info *mode = sensor->current_mode; 3183bce93b82SJacopo Mondi 3184bce93b82SJacopo Mondi /* Update the VTOT timing register value. */ 3185bce93b82SJacopo Mondi return ov5640_write_reg16(sensor, OV5640_REG_TIMING_VTS, 3186bce93b82SJacopo Mondi mode->height + value); 3187bce93b82SJacopo Mondi } 3188bce93b82SJacopo Mondi 318919a81c14SSteve Longerbeam static int ov5640_g_volatile_ctrl(struct v4l2_ctrl *ctrl) 319019a81c14SSteve Longerbeam { 319119a81c14SSteve Longerbeam struct v4l2_subdev *sd = ctrl_to_sd(ctrl); 319219a81c14SSteve Longerbeam struct ov5640_dev *sensor = to_ov5640_dev(sd); 319319a81c14SSteve Longerbeam int val; 319419a81c14SSteve Longerbeam 319519a81c14SSteve Longerbeam /* v4l2_ctrl_lock() locks our own mutex */ 319619a81c14SSteve Longerbeam 319719a81c14SSteve Longerbeam switch (ctrl->id) { 319819a81c14SSteve Longerbeam case V4L2_CID_AUTOGAIN: 319919a81c14SSteve Longerbeam val = ov5640_get_gain(sensor); 320019a81c14SSteve Longerbeam if (val < 0) 320119a81c14SSteve Longerbeam return val; 320219a81c14SSteve Longerbeam sensor->ctrls.gain->val = val; 320319a81c14SSteve Longerbeam break; 320419a81c14SSteve Longerbeam case V4L2_CID_EXPOSURE_AUTO: 320519a81c14SSteve Longerbeam val = ov5640_get_exposure(sensor); 320619a81c14SSteve Longerbeam if (val < 0) 320719a81c14SSteve Longerbeam return val; 320819a81c14SSteve Longerbeam sensor->ctrls.exposure->val = val; 320919a81c14SSteve Longerbeam break; 321019a81c14SSteve Longerbeam } 321119a81c14SSteve Longerbeam 321219a81c14SSteve Longerbeam return 0; 321319a81c14SSteve Longerbeam } 321419a81c14SSteve Longerbeam 321519a81c14SSteve Longerbeam static int ov5640_s_ctrl(struct v4l2_ctrl *ctrl) 321619a81c14SSteve Longerbeam { 321719a81c14SSteve Longerbeam struct v4l2_subdev *sd = ctrl_to_sd(ctrl); 321819a81c14SSteve Longerbeam struct ov5640_dev *sensor = to_ov5640_dev(sd); 3219bce93b82SJacopo Mondi const struct ov5640_mode_info *mode = sensor->current_mode; 3220bce93b82SJacopo Mondi const struct ov5640_timings *timings; 3221bce93b82SJacopo Mondi unsigned int exp_max; 322219a81c14SSteve Longerbeam int ret; 322319a81c14SSteve Longerbeam 322419a81c14SSteve Longerbeam /* v4l2_ctrl_lock() locks our own mutex */ 322519a81c14SSteve Longerbeam 3226bce93b82SJacopo Mondi switch (ctrl->id) { 3227bce93b82SJacopo Mondi case V4L2_CID_VBLANK: 3228bce93b82SJacopo Mondi /* Update the exposure range to the newly programmed vblank. */ 3229bce93b82SJacopo Mondi timings = ov5640_timings(sensor, mode); 3230bce93b82SJacopo Mondi exp_max = mode->height + ctrl->val - 4; 3231bce93b82SJacopo Mondi __v4l2_ctrl_modify_range(sensor->ctrls.exposure, 3232bce93b82SJacopo Mondi sensor->ctrls.exposure->minimum, 3233bce93b82SJacopo Mondi exp_max, sensor->ctrls.exposure->step, 3234bce93b82SJacopo Mondi timings->vblank_def); 3235bce93b82SJacopo Mondi break; 3236bce93b82SJacopo Mondi } 3237bce93b82SJacopo Mondi 323819a81c14SSteve Longerbeam /* 323919a81c14SSteve Longerbeam * If the device is not powered up by the host driver do 324019a81c14SSteve Longerbeam * not apply any controls to H/W at this time. Instead 324119a81c14SSteve Longerbeam * the controls will be restored right after power-up. 324219a81c14SSteve Longerbeam */ 324319a81c14SSteve Longerbeam if (sensor->power_count == 0) 324419a81c14SSteve Longerbeam return 0; 324519a81c14SSteve Longerbeam 324619a81c14SSteve Longerbeam switch (ctrl->id) { 324719a81c14SSteve Longerbeam case V4L2_CID_AUTOGAIN: 324819a81c14SSteve Longerbeam ret = ov5640_set_ctrl_gain(sensor, ctrl->val); 324919a81c14SSteve Longerbeam break; 325019a81c14SSteve Longerbeam case V4L2_CID_EXPOSURE_AUTO: 325119a81c14SSteve Longerbeam ret = ov5640_set_ctrl_exposure(sensor, ctrl->val); 325219a81c14SSteve Longerbeam break; 325319a81c14SSteve Longerbeam case V4L2_CID_AUTO_WHITE_BALANCE: 325419a81c14SSteve Longerbeam ret = ov5640_set_ctrl_white_balance(sensor, ctrl->val); 325519a81c14SSteve Longerbeam break; 325619a81c14SSteve Longerbeam case V4L2_CID_HUE: 325719a81c14SSteve Longerbeam ret = ov5640_set_ctrl_hue(sensor, ctrl->val); 325819a81c14SSteve Longerbeam break; 325919a81c14SSteve Longerbeam case V4L2_CID_CONTRAST: 326019a81c14SSteve Longerbeam ret = ov5640_set_ctrl_contrast(sensor, ctrl->val); 326119a81c14SSteve Longerbeam break; 326219a81c14SSteve Longerbeam case V4L2_CID_SATURATION: 326319a81c14SSteve Longerbeam ret = ov5640_set_ctrl_saturation(sensor, ctrl->val); 326419a81c14SSteve Longerbeam break; 326519a81c14SSteve Longerbeam case V4L2_CID_TEST_PATTERN: 326619a81c14SSteve Longerbeam ret = ov5640_set_ctrl_test_pattern(sensor, ctrl->val); 326719a81c14SSteve Longerbeam break; 32681068fecaSMylène Josserand case V4L2_CID_POWER_LINE_FREQUENCY: 32691068fecaSMylène Josserand ret = ov5640_set_ctrl_light_freq(sensor, ctrl->val); 32701068fecaSMylène Josserand break; 3271ce85705aSHugues Fruchet case V4L2_CID_HFLIP: 3272ce85705aSHugues Fruchet ret = ov5640_set_ctrl_hflip(sensor, ctrl->val); 3273ce85705aSHugues Fruchet break; 3274ce85705aSHugues Fruchet case V4L2_CID_VFLIP: 3275ce85705aSHugues Fruchet ret = ov5640_set_ctrl_vflip(sensor, ctrl->val); 3276ce85705aSHugues Fruchet break; 3277bce93b82SJacopo Mondi case V4L2_CID_VBLANK: 3278bce93b82SJacopo Mondi ret = ov5640_set_ctrl_vblank(sensor, ctrl->val); 3279bce93b82SJacopo Mondi break; 328019a81c14SSteve Longerbeam default: 328119a81c14SSteve Longerbeam ret = -EINVAL; 328219a81c14SSteve Longerbeam break; 328319a81c14SSteve Longerbeam } 328419a81c14SSteve Longerbeam 328519a81c14SSteve Longerbeam return ret; 328619a81c14SSteve Longerbeam } 328719a81c14SSteve Longerbeam 328819a81c14SSteve Longerbeam static const struct v4l2_ctrl_ops ov5640_ctrl_ops = { 328919a81c14SSteve Longerbeam .g_volatile_ctrl = ov5640_g_volatile_ctrl, 329019a81c14SSteve Longerbeam .s_ctrl = ov5640_s_ctrl, 329119a81c14SSteve Longerbeam }; 329219a81c14SSteve Longerbeam 329319a81c14SSteve Longerbeam static int ov5640_init_controls(struct ov5640_dev *sensor) 329419a81c14SSteve Longerbeam { 329522845bf2SJacopo Mondi const struct ov5640_mode_info *mode = sensor->current_mode; 329619a81c14SSteve Longerbeam const struct v4l2_ctrl_ops *ops = &ov5640_ctrl_ops; 329719a81c14SSteve Longerbeam struct ov5640_ctrls *ctrls = &sensor->ctrls; 329819a81c14SSteve Longerbeam struct v4l2_ctrl_handler *hdl = &ctrls->handler; 329932979f67SJacopo Mondi const struct ov5640_timings *timings; 3300bce93b82SJacopo Mondi unsigned int max_vblank; 330132979f67SJacopo Mondi unsigned int hblank; 330219a81c14SSteve Longerbeam int ret; 330319a81c14SSteve Longerbeam 330419a81c14SSteve Longerbeam v4l2_ctrl_handler_init(hdl, 32); 330519a81c14SSteve Longerbeam 330619a81c14SSteve Longerbeam /* we can use our own mutex for the ctrl lock */ 330719a81c14SSteve Longerbeam hdl->lock = &sensor->lock; 330819a81c14SSteve Longerbeam 3309cc196e48SBenoit Parrot /* Clock related controls */ 3310cc196e48SBenoit Parrot ctrls->pixel_rate = v4l2_ctrl_new_std(hdl, ops, V4L2_CID_PIXEL_RATE, 331122845bf2SJacopo Mondi ov5640_pixel_rates[OV5640_NUM_PIXEL_RATES - 1], 331222845bf2SJacopo Mondi ov5640_pixel_rates[0], 1, 331322845bf2SJacopo Mondi ov5640_pixel_rates[mode->pixel_rate]); 3314cc196e48SBenoit Parrot 33157a3b8d4bSJacopo Mondi ctrls->link_freq = v4l2_ctrl_new_int_menu(hdl, ops, 33167a3b8d4bSJacopo Mondi V4L2_CID_LINK_FREQ, 33177a3b8d4bSJacopo Mondi ARRAY_SIZE(ov5640_csi2_link_freqs) - 1, 33187a3b8d4bSJacopo Mondi OV5640_DEFAULT_LINK_FREQ, 33197a3b8d4bSJacopo Mondi ov5640_csi2_link_freqs); 33207a3b8d4bSJacopo Mondi 332132979f67SJacopo Mondi timings = ov5640_timings(sensor, mode); 332232979f67SJacopo Mondi hblank = timings->htot - mode->width; 332332979f67SJacopo Mondi ctrls->hblank = v4l2_ctrl_new_std(hdl, ops, V4L2_CID_HBLANK, hblank, 332432979f67SJacopo Mondi hblank, 1, hblank); 332532979f67SJacopo Mondi 3326bce93b82SJacopo Mondi max_vblank = OV5640_MAX_VTS - mode->height; 3327bce93b82SJacopo Mondi ctrls->vblank = v4l2_ctrl_new_std(hdl, ops, V4L2_CID_VBLANK, 3328bce93b82SJacopo Mondi OV5640_MIN_VBLANK, max_vblank, 3329bce93b82SJacopo Mondi 1, timings->vblank_def); 3330bce93b82SJacopo Mondi 333119a81c14SSteve Longerbeam /* Auto/manual white balance */ 333219a81c14SSteve Longerbeam ctrls->auto_wb = v4l2_ctrl_new_std(hdl, ops, 333319a81c14SSteve Longerbeam V4L2_CID_AUTO_WHITE_BALANCE, 333419a81c14SSteve Longerbeam 0, 1, 1, 1); 333519a81c14SSteve Longerbeam ctrls->blue_balance = v4l2_ctrl_new_std(hdl, ops, V4L2_CID_BLUE_BALANCE, 333619a81c14SSteve Longerbeam 0, 4095, 1, 0); 333719a81c14SSteve Longerbeam ctrls->red_balance = v4l2_ctrl_new_std(hdl, ops, V4L2_CID_RED_BALANCE, 333819a81c14SSteve Longerbeam 0, 4095, 1, 0); 333919a81c14SSteve Longerbeam /* Auto/manual exposure */ 334019a81c14SSteve Longerbeam ctrls->auto_exp = v4l2_ctrl_new_std_menu(hdl, ops, 334119a81c14SSteve Longerbeam V4L2_CID_EXPOSURE_AUTO, 334219a81c14SSteve Longerbeam V4L2_EXPOSURE_MANUAL, 0, 334319a81c14SSteve Longerbeam V4L2_EXPOSURE_AUTO); 334419a81c14SSteve Longerbeam ctrls->exposure = v4l2_ctrl_new_std(hdl, ops, V4L2_CID_EXPOSURE, 334519a81c14SSteve Longerbeam 0, 65535, 1, 0); 334619a81c14SSteve Longerbeam /* Auto/manual gain */ 334719a81c14SSteve Longerbeam ctrls->auto_gain = v4l2_ctrl_new_std(hdl, ops, V4L2_CID_AUTOGAIN, 334819a81c14SSteve Longerbeam 0, 1, 1, 1); 334919a81c14SSteve Longerbeam ctrls->gain = v4l2_ctrl_new_std(hdl, ops, V4L2_CID_GAIN, 335019a81c14SSteve Longerbeam 0, 1023, 1, 0); 335119a81c14SSteve Longerbeam 335219a81c14SSteve Longerbeam ctrls->saturation = v4l2_ctrl_new_std(hdl, ops, V4L2_CID_SATURATION, 335319a81c14SSteve Longerbeam 0, 255, 1, 64); 335419a81c14SSteve Longerbeam ctrls->hue = v4l2_ctrl_new_std(hdl, ops, V4L2_CID_HUE, 335519a81c14SSteve Longerbeam 0, 359, 1, 0); 335619a81c14SSteve Longerbeam ctrls->contrast = v4l2_ctrl_new_std(hdl, ops, V4L2_CID_CONTRAST, 335719a81c14SSteve Longerbeam 0, 255, 1, 0); 335819a81c14SSteve Longerbeam ctrls->test_pattern = 335919a81c14SSteve Longerbeam v4l2_ctrl_new_std_menu_items(hdl, ops, V4L2_CID_TEST_PATTERN, 336019a81c14SSteve Longerbeam ARRAY_SIZE(test_pattern_menu) - 1, 336119a81c14SSteve Longerbeam 0, 0, test_pattern_menu); 3362ce85705aSHugues Fruchet ctrls->hflip = v4l2_ctrl_new_std(hdl, ops, V4L2_CID_HFLIP, 3363ce85705aSHugues Fruchet 0, 1, 1, 0); 3364ce85705aSHugues Fruchet ctrls->vflip = v4l2_ctrl_new_std(hdl, ops, V4L2_CID_VFLIP, 3365ce85705aSHugues Fruchet 0, 1, 1, 0); 336619a81c14SSteve Longerbeam 33671068fecaSMylène Josserand ctrls->light_freq = 33681068fecaSMylène Josserand v4l2_ctrl_new_std_menu(hdl, ops, 33691068fecaSMylène Josserand V4L2_CID_POWER_LINE_FREQUENCY, 33701068fecaSMylène Josserand V4L2_CID_POWER_LINE_FREQUENCY_AUTO, 0, 33711068fecaSMylène Josserand V4L2_CID_POWER_LINE_FREQUENCY_50HZ); 33721068fecaSMylène Josserand 337319a81c14SSteve Longerbeam if (hdl->error) { 337419a81c14SSteve Longerbeam ret = hdl->error; 337519a81c14SSteve Longerbeam goto free_ctrls; 337619a81c14SSteve Longerbeam } 337719a81c14SSteve Longerbeam 3378cc196e48SBenoit Parrot ctrls->pixel_rate->flags |= V4L2_CTRL_FLAG_READ_ONLY; 33797a3b8d4bSJacopo Mondi ctrls->link_freq->flags |= V4L2_CTRL_FLAG_READ_ONLY; 338032979f67SJacopo Mondi ctrls->hblank->flags |= V4L2_CTRL_FLAG_READ_ONLY; 338119a81c14SSteve Longerbeam ctrls->gain->flags |= V4L2_CTRL_FLAG_VOLATILE; 338219a81c14SSteve Longerbeam ctrls->exposure->flags |= V4L2_CTRL_FLAG_VOLATILE; 338319a81c14SSteve Longerbeam 338419a81c14SSteve Longerbeam v4l2_ctrl_auto_cluster(3, &ctrls->auto_wb, 0, false); 338519a81c14SSteve Longerbeam v4l2_ctrl_auto_cluster(2, &ctrls->auto_gain, 0, true); 338619a81c14SSteve Longerbeam v4l2_ctrl_auto_cluster(2, &ctrls->auto_exp, 1, true); 338719a81c14SSteve Longerbeam 338819a81c14SSteve Longerbeam sensor->sd.ctrl_handler = hdl; 338919a81c14SSteve Longerbeam return 0; 339019a81c14SSteve Longerbeam 339119a81c14SSteve Longerbeam free_ctrls: 339219a81c14SSteve Longerbeam v4l2_ctrl_handler_free(hdl); 339319a81c14SSteve Longerbeam return ret; 339419a81c14SSteve Longerbeam } 339519a81c14SSteve Longerbeam 339619a81c14SSteve Longerbeam static int ov5640_enum_frame_size(struct v4l2_subdev *sd, 33970d346d2aSTomi Valkeinen struct v4l2_subdev_state *sd_state, 339819a81c14SSteve Longerbeam struct v4l2_subdev_frame_size_enum *fse) 339919a81c14SSteve Longerbeam { 340019a81c14SSteve Longerbeam if (fse->pad != 0) 340119a81c14SSteve Longerbeam return -EINVAL; 340219a81c14SSteve Longerbeam if (fse->index >= OV5640_NUM_MODES) 340319a81c14SSteve Longerbeam return -EINVAL; 340419a81c14SSteve Longerbeam 34055113d5b3SJacopo Mondi fse->min_width = ov5640_mode_data[fse->index].width; 340641d8d7f5SHugues Fruchet fse->max_width = fse->min_width; 34075113d5b3SJacopo Mondi fse->min_height = ov5640_mode_data[fse->index].height; 340841d8d7f5SHugues Fruchet fse->max_height = fse->min_height; 340919a81c14SSteve Longerbeam 341019a81c14SSteve Longerbeam return 0; 341119a81c14SSteve Longerbeam } 341219a81c14SSteve Longerbeam 341319a81c14SSteve Longerbeam static int ov5640_enum_frame_interval( 341419a81c14SSteve Longerbeam struct v4l2_subdev *sd, 34150d346d2aSTomi Valkeinen struct v4l2_subdev_state *sd_state, 341619a81c14SSteve Longerbeam struct v4l2_subdev_frame_interval_enum *fie) 341719a81c14SSteve Longerbeam { 341819a81c14SSteve Longerbeam struct ov5640_dev *sensor = to_ov5640_dev(sd); 341919a81c14SSteve Longerbeam struct v4l2_fract tpf; 342019a81c14SSteve Longerbeam int ret; 342119a81c14SSteve Longerbeam 342219a81c14SSteve Longerbeam if (fie->pad != 0) 342319a81c14SSteve Longerbeam return -EINVAL; 342419a81c14SSteve Longerbeam if (fie->index >= OV5640_NUM_FRAMERATES) 342519a81c14SSteve Longerbeam return -EINVAL; 342619a81c14SSteve Longerbeam 342719a81c14SSteve Longerbeam tpf.numerator = 1; 342819a81c14SSteve Longerbeam tpf.denominator = ov5640_framerates[fie->index]; 342919a81c14SSteve Longerbeam 343019a81c14SSteve Longerbeam ret = ov5640_try_frame_interval(sensor, &tpf, 343119a81c14SSteve Longerbeam fie->width, fie->height); 343219a81c14SSteve Longerbeam if (ret < 0) 343319a81c14SSteve Longerbeam return -EINVAL; 343419a81c14SSteve Longerbeam 343519a81c14SSteve Longerbeam fie->interval = tpf; 343619a81c14SSteve Longerbeam return 0; 343719a81c14SSteve Longerbeam } 343819a81c14SSteve Longerbeam 343919a81c14SSteve Longerbeam static int ov5640_g_frame_interval(struct v4l2_subdev *sd, 344019a81c14SSteve Longerbeam struct v4l2_subdev_frame_interval *fi) 344119a81c14SSteve Longerbeam { 344219a81c14SSteve Longerbeam struct ov5640_dev *sensor = to_ov5640_dev(sd); 344319a81c14SSteve Longerbeam 344419a81c14SSteve Longerbeam mutex_lock(&sensor->lock); 344519a81c14SSteve Longerbeam fi->interval = sensor->frame_interval; 344619a81c14SSteve Longerbeam mutex_unlock(&sensor->lock); 344719a81c14SSteve Longerbeam 344819a81c14SSteve Longerbeam return 0; 344919a81c14SSteve Longerbeam } 345019a81c14SSteve Longerbeam 345119a81c14SSteve Longerbeam static int ov5640_s_frame_interval(struct v4l2_subdev *sd, 345219a81c14SSteve Longerbeam struct v4l2_subdev_frame_interval *fi) 345319a81c14SSteve Longerbeam { 345419a81c14SSteve Longerbeam struct ov5640_dev *sensor = to_ov5640_dev(sd); 345519a81c14SSteve Longerbeam const struct ov5640_mode_info *mode; 345619a81c14SSteve Longerbeam int frame_rate, ret = 0; 345719a81c14SSteve Longerbeam 345819a81c14SSteve Longerbeam if (fi->pad != 0) 345919a81c14SSteve Longerbeam return -EINVAL; 346019a81c14SSteve Longerbeam 346119a81c14SSteve Longerbeam mutex_lock(&sensor->lock); 346219a81c14SSteve Longerbeam 346319a81c14SSteve Longerbeam if (sensor->streaming) { 346419a81c14SSteve Longerbeam ret = -EBUSY; 346519a81c14SSteve Longerbeam goto out; 346619a81c14SSteve Longerbeam } 346719a81c14SSteve Longerbeam 346819a81c14SSteve Longerbeam mode = sensor->current_mode; 346919a81c14SSteve Longerbeam 347019a81c14SSteve Longerbeam frame_rate = ov5640_try_frame_interval(sensor, &fi->interval, 34715113d5b3SJacopo Mondi mode->width, 34725113d5b3SJacopo Mondi mode->height); 3473e823fb16SMaxime Ripard if (frame_rate < 0) { 3474e823fb16SMaxime Ripard /* Always return a valid frame interval value */ 3475e823fb16SMaxime Ripard fi->interval = sensor->frame_interval; 3476e823fb16SMaxime Ripard goto out; 3477e823fb16SMaxime Ripard } 347819a81c14SSteve Longerbeam 3479*b6ae5022SJacopo Mondi mode = ov5640_find_mode(sensor, mode->width, mode->height, true); 34803c4a7372SHugues Fruchet if (!mode) { 34813c4a7372SHugues Fruchet ret = -EINVAL; 34823c4a7372SHugues Fruchet goto out; 34833c4a7372SHugues Fruchet } 34843c4a7372SHugues Fruchet 3485*b6ae5022SJacopo Mondi if (ov5640_framerates[frame_rate] > ov5640_framerates[mode->max_fps]) { 3486*b6ae5022SJacopo Mondi ret = -EINVAL; 3487*b6ae5022SJacopo Mondi goto out; 3488*b6ae5022SJacopo Mondi } 3489*b6ae5022SJacopo Mondi 34900929983eSHugues Fruchet if (mode != sensor->current_mode || 34910929983eSHugues Fruchet frame_rate != sensor->current_fr) { 34920929983eSHugues Fruchet sensor->current_fr = frame_rate; 34930929983eSHugues Fruchet sensor->frame_interval = fi->interval; 34943c4a7372SHugues Fruchet sensor->current_mode = mode; 349519a81c14SSteve Longerbeam sensor->pending_mode_change = true; 3496cc196e48SBenoit Parrot 349719f2e3e6SHugues Fruchet ov5640_update_pixel_rate(sensor); 34986949d864SHugues Fruchet } 349919a81c14SSteve Longerbeam out: 350019a81c14SSteve Longerbeam mutex_unlock(&sensor->lock); 350119a81c14SSteve Longerbeam return ret; 350219a81c14SSteve Longerbeam } 350319a81c14SSteve Longerbeam 350419a81c14SSteve Longerbeam static int ov5640_enum_mbus_code(struct v4l2_subdev *sd, 35050d346d2aSTomi Valkeinen struct v4l2_subdev_state *sd_state, 350619a81c14SSteve Longerbeam struct v4l2_subdev_mbus_code_enum *code) 350719a81c14SSteve Longerbeam { 350819a81c14SSteve Longerbeam if (code->pad != 0) 350919a81c14SSteve Longerbeam return -EINVAL; 3510e3ee691dSHugues Fruchet if (code->index >= ARRAY_SIZE(ov5640_formats)) 351119a81c14SSteve Longerbeam return -EINVAL; 351219a81c14SSteve Longerbeam 3513e3ee691dSHugues Fruchet code->code = ov5640_formats[code->index].code; 351419a81c14SSteve Longerbeam return 0; 351519a81c14SSteve Longerbeam } 351619a81c14SSteve Longerbeam 351719a81c14SSteve Longerbeam static int ov5640_s_stream(struct v4l2_subdev *sd, int enable) 351819a81c14SSteve Longerbeam { 351919a81c14SSteve Longerbeam struct ov5640_dev *sensor = to_ov5640_dev(sd); 352019a81c14SSteve Longerbeam int ret = 0; 352119a81c14SSteve Longerbeam 352219a81c14SSteve Longerbeam mutex_lock(&sensor->lock); 352319a81c14SSteve Longerbeam 352419a81c14SSteve Longerbeam if (sensor->streaming == !enable) { 352519a81c14SSteve Longerbeam if (enable && sensor->pending_mode_change) { 3526985cdcb0SHugues Fruchet ret = ov5640_set_mode(sensor); 352719a81c14SSteve Longerbeam if (ret) 352819a81c14SSteve Longerbeam goto out; 3529fb98e29fSHugues Fruchet } 3530e3ee691dSHugues Fruchet 3531fb98e29fSHugues Fruchet if (enable && sensor->pending_fmt_change) { 3532e3ee691dSHugues Fruchet ret = ov5640_set_framefmt(sensor, &sensor->fmt); 3533e3ee691dSHugues Fruchet if (ret) 3534e3ee691dSHugues Fruchet goto out; 3535fb98e29fSHugues Fruchet sensor->pending_fmt_change = false; 353619a81c14SSteve Longerbeam } 353719a81c14SSteve Longerbeam 35388e823f5cSJacopo Mondi if (ov5640_is_csi2(sensor)) 3539f22996dbSHugues Fruchet ret = ov5640_set_stream_mipi(sensor, enable); 3540f22996dbSHugues Fruchet else 3541f22996dbSHugues Fruchet ret = ov5640_set_stream_dvp(sensor, enable); 3542f22996dbSHugues Fruchet 354319a81c14SSteve Longerbeam if (!ret) 354419a81c14SSteve Longerbeam sensor->streaming = enable; 354519a81c14SSteve Longerbeam } 354619a81c14SSteve Longerbeam out: 354719a81c14SSteve Longerbeam mutex_unlock(&sensor->lock); 354819a81c14SSteve Longerbeam return ret; 354919a81c14SSteve Longerbeam } 355019a81c14SSteve Longerbeam 355119a81c14SSteve Longerbeam static const struct v4l2_subdev_core_ops ov5640_core_ops = { 355219a81c14SSteve Longerbeam .s_power = ov5640_s_power, 35532d18fbc5SAkinobu Mita .log_status = v4l2_ctrl_subdev_log_status, 35542d18fbc5SAkinobu Mita .subscribe_event = v4l2_ctrl_subdev_subscribe_event, 35552d18fbc5SAkinobu Mita .unsubscribe_event = v4l2_event_subdev_unsubscribe, 355619a81c14SSteve Longerbeam }; 355719a81c14SSteve Longerbeam 355819a81c14SSteve Longerbeam static const struct v4l2_subdev_video_ops ov5640_video_ops = { 355919a81c14SSteve Longerbeam .g_frame_interval = ov5640_g_frame_interval, 356019a81c14SSteve Longerbeam .s_frame_interval = ov5640_s_frame_interval, 356119a81c14SSteve Longerbeam .s_stream = ov5640_s_stream, 356219a81c14SSteve Longerbeam }; 356319a81c14SSteve Longerbeam 356419a81c14SSteve Longerbeam static const struct v4l2_subdev_pad_ops ov5640_pad_ops = { 356519a81c14SSteve Longerbeam .enum_mbus_code = ov5640_enum_mbus_code, 356619a81c14SSteve Longerbeam .get_fmt = ov5640_get_fmt, 356719a81c14SSteve Longerbeam .set_fmt = ov5640_set_fmt, 356819a81c14SSteve Longerbeam .enum_frame_size = ov5640_enum_frame_size, 356919a81c14SSteve Longerbeam .enum_frame_interval = ov5640_enum_frame_interval, 357019a81c14SSteve Longerbeam }; 357119a81c14SSteve Longerbeam 357219a81c14SSteve Longerbeam static const struct v4l2_subdev_ops ov5640_subdev_ops = { 357319a81c14SSteve Longerbeam .core = &ov5640_core_ops, 357419a81c14SSteve Longerbeam .video = &ov5640_video_ops, 357519a81c14SSteve Longerbeam .pad = &ov5640_pad_ops, 357619a81c14SSteve Longerbeam }; 357719a81c14SSteve Longerbeam 357819a81c14SSteve Longerbeam static int ov5640_get_regulators(struct ov5640_dev *sensor) 357919a81c14SSteve Longerbeam { 358019a81c14SSteve Longerbeam int i; 358119a81c14SSteve Longerbeam 358219a81c14SSteve Longerbeam for (i = 0; i < OV5640_NUM_SUPPLIES; i++) 358319a81c14SSteve Longerbeam sensor->supplies[i].supply = ov5640_supply_name[i]; 358419a81c14SSteve Longerbeam 358519a81c14SSteve Longerbeam return devm_regulator_bulk_get(&sensor->i2c_client->dev, 358619a81c14SSteve Longerbeam OV5640_NUM_SUPPLIES, 358719a81c14SSteve Longerbeam sensor->supplies); 358819a81c14SSteve Longerbeam } 358919a81c14SSteve Longerbeam 35900f7acb52SHugues Fruchet static int ov5640_check_chip_id(struct ov5640_dev *sensor) 35910f7acb52SHugues Fruchet { 35920f7acb52SHugues Fruchet struct i2c_client *client = sensor->i2c_client; 35930f7acb52SHugues Fruchet int ret = 0; 35940f7acb52SHugues Fruchet u16 chip_id; 35950f7acb52SHugues Fruchet 35960f7acb52SHugues Fruchet ret = ov5640_set_power_on(sensor); 35970f7acb52SHugues Fruchet if (ret) 35980f7acb52SHugues Fruchet return ret; 35990f7acb52SHugues Fruchet 36000f7acb52SHugues Fruchet ret = ov5640_read_reg16(sensor, OV5640_REG_CHIP_ID, &chip_id); 36010f7acb52SHugues Fruchet if (ret) { 36020f7acb52SHugues Fruchet dev_err(&client->dev, "%s: failed to read chip identifier\n", 36030f7acb52SHugues Fruchet __func__); 36040f7acb52SHugues Fruchet goto power_off; 36050f7acb52SHugues Fruchet } 36060f7acb52SHugues Fruchet 36070f7acb52SHugues Fruchet if (chip_id != 0x5640) { 36080f7acb52SHugues Fruchet dev_err(&client->dev, "%s: wrong chip identifier, expected 0x5640, got 0x%x\n", 36090f7acb52SHugues Fruchet __func__, chip_id); 36100f7acb52SHugues Fruchet ret = -ENXIO; 36110f7acb52SHugues Fruchet } 36120f7acb52SHugues Fruchet 36130f7acb52SHugues Fruchet power_off: 36140f7acb52SHugues Fruchet ov5640_set_power_off(sensor); 36150f7acb52SHugues Fruchet return ret; 36160f7acb52SHugues Fruchet } 36170f7acb52SHugues Fruchet 3618e6714993SKieran Bingham static int ov5640_probe(struct i2c_client *client) 361919a81c14SSteve Longerbeam { 362019a81c14SSteve Longerbeam struct device *dev = &client->dev; 362119a81c14SSteve Longerbeam struct fwnode_handle *endpoint; 362219a81c14SSteve Longerbeam struct ov5640_dev *sensor; 3623e6441fdeSHugues Fruchet struct v4l2_mbus_framefmt *fmt; 3624c3f3ba3eSHugues Fruchet u32 rotation; 362519a81c14SSteve Longerbeam int ret; 362619a81c14SSteve Longerbeam 362719a81c14SSteve Longerbeam sensor = devm_kzalloc(dev, sizeof(*sensor), GFP_KERNEL); 362819a81c14SSteve Longerbeam if (!sensor) 362919a81c14SSteve Longerbeam return -ENOMEM; 363019a81c14SSteve Longerbeam 363119a81c14SSteve Longerbeam sensor->i2c_client = client; 3632fb98e29fSHugues Fruchet 3633fb98e29fSHugues Fruchet /* 3634fb98e29fSHugues Fruchet * default init sequence initialize sensor to 3635fb98e29fSHugues Fruchet * YUV422 UYVY VGA@30fps 3636fb98e29fSHugues Fruchet */ 3637e6441fdeSHugues Fruchet fmt = &sensor->fmt; 3638fb98e29fSHugues Fruchet fmt->code = MEDIA_BUS_FMT_UYVY8_2X8; 3639fb98e29fSHugues Fruchet fmt->colorspace = V4L2_COLORSPACE_SRGB; 3640e6441fdeSHugues Fruchet fmt->ycbcr_enc = V4L2_MAP_YCBCR_ENC_DEFAULT(fmt->colorspace); 3641e6441fdeSHugues Fruchet fmt->quantization = V4L2_QUANTIZATION_FULL_RANGE; 3642e6441fdeSHugues Fruchet fmt->xfer_func = V4L2_MAP_XFER_FUNC_DEFAULT(fmt->colorspace); 3643e6441fdeSHugues Fruchet fmt->width = 640; 3644e6441fdeSHugues Fruchet fmt->height = 480; 3645e6441fdeSHugues Fruchet fmt->field = V4L2_FIELD_NONE; 364619a81c14SSteve Longerbeam sensor->frame_interval.numerator = 1; 364719a81c14SSteve Longerbeam sensor->frame_interval.denominator = ov5640_framerates[OV5640_30_FPS]; 364819a81c14SSteve Longerbeam sensor->current_fr = OV5640_30_FPS; 364919a81c14SSteve Longerbeam sensor->current_mode = 3650086c25f8SMaxime Ripard &ov5640_mode_data[OV5640_MODE_VGA_640_480]; 3651985cdcb0SHugues Fruchet sensor->last_mode = sensor->current_mode; 36523c28588fSJacopo Mondi sensor->current_link_freq = OV5640_DEFAULT_LINK_FREQ; 365319a81c14SSteve Longerbeam 365419a81c14SSteve Longerbeam sensor->ae_target = 52; 365519a81c14SSteve Longerbeam 3656c3f3ba3eSHugues Fruchet /* optional indication of physical rotation of sensor */ 3657c3f3ba3eSHugues Fruchet ret = fwnode_property_read_u32(dev_fwnode(&client->dev), "rotation", 3658c3f3ba3eSHugues Fruchet &rotation); 3659c3f3ba3eSHugues Fruchet if (!ret) { 3660c3f3ba3eSHugues Fruchet switch (rotation) { 3661c3f3ba3eSHugues Fruchet case 180: 3662c3f3ba3eSHugues Fruchet sensor->upside_down = true; 36631771e9fbSGustavo A. R. Silva fallthrough; 3664c3f3ba3eSHugues Fruchet case 0: 3665c3f3ba3eSHugues Fruchet break; 3666c3f3ba3eSHugues Fruchet default: 3667c3f3ba3eSHugues Fruchet dev_warn(dev, "%u degrees rotation is not supported, ignoring...\n", 3668c3f3ba3eSHugues Fruchet rotation); 3669c3f3ba3eSHugues Fruchet } 3670c3f3ba3eSHugues Fruchet } 3671c3f3ba3eSHugues Fruchet 3672ce96bcf5SSakari Ailus endpoint = fwnode_graph_get_next_endpoint(dev_fwnode(&client->dev), 3673ce96bcf5SSakari Ailus NULL); 367419a81c14SSteve Longerbeam if (!endpoint) { 367519a81c14SSteve Longerbeam dev_err(dev, "endpoint node not found\n"); 367619a81c14SSteve Longerbeam return -EINVAL; 367719a81c14SSteve Longerbeam } 367819a81c14SSteve Longerbeam 367919a81c14SSteve Longerbeam ret = v4l2_fwnode_endpoint_parse(endpoint, &sensor->ep); 368019a81c14SSteve Longerbeam fwnode_handle_put(endpoint); 368119a81c14SSteve Longerbeam if (ret) { 368219a81c14SSteve Longerbeam dev_err(dev, "Could not parse endpoint\n"); 368319a81c14SSteve Longerbeam return ret; 368419a81c14SSteve Longerbeam } 368519a81c14SSteve Longerbeam 36862c61e48dSLad Prabhakar if (sensor->ep.bus_type != V4L2_MBUS_PARALLEL && 36872c61e48dSLad Prabhakar sensor->ep.bus_type != V4L2_MBUS_CSI2_DPHY && 36882c61e48dSLad Prabhakar sensor->ep.bus_type != V4L2_MBUS_BT656) { 36892c61e48dSLad Prabhakar dev_err(dev, "Unsupported bus type %d\n", sensor->ep.bus_type); 36902c61e48dSLad Prabhakar return -EINVAL; 36912c61e48dSLad Prabhakar } 36922c61e48dSLad Prabhakar 369319a81c14SSteve Longerbeam /* get system clock (xclk) */ 369419a81c14SSteve Longerbeam sensor->xclk = devm_clk_get(dev, "xclk"); 369519a81c14SSteve Longerbeam if (IS_ERR(sensor->xclk)) { 369619a81c14SSteve Longerbeam dev_err(dev, "failed to get xclk\n"); 369719a81c14SSteve Longerbeam return PTR_ERR(sensor->xclk); 369819a81c14SSteve Longerbeam } 369919a81c14SSteve Longerbeam 370019a81c14SSteve Longerbeam sensor->xclk_freq = clk_get_rate(sensor->xclk); 370119a81c14SSteve Longerbeam if (sensor->xclk_freq < OV5640_XCLK_MIN || 370219a81c14SSteve Longerbeam sensor->xclk_freq > OV5640_XCLK_MAX) { 370319a81c14SSteve Longerbeam dev_err(dev, "xclk frequency out of range: %d Hz\n", 370419a81c14SSteve Longerbeam sensor->xclk_freq); 370519a81c14SSteve Longerbeam return -EINVAL; 370619a81c14SSteve Longerbeam } 370719a81c14SSteve Longerbeam 370819a81c14SSteve Longerbeam /* request optional power down pin */ 370919a81c14SSteve Longerbeam sensor->pwdn_gpio = devm_gpiod_get_optional(dev, "powerdown", 371019a81c14SSteve Longerbeam GPIOD_OUT_HIGH); 37118791a102SFabio Estevam if (IS_ERR(sensor->pwdn_gpio)) 37128791a102SFabio Estevam return PTR_ERR(sensor->pwdn_gpio); 37138791a102SFabio Estevam 371419a81c14SSteve Longerbeam /* request optional reset pin */ 371519a81c14SSteve Longerbeam sensor->reset_gpio = devm_gpiod_get_optional(dev, "reset", 371619a81c14SSteve Longerbeam GPIOD_OUT_HIGH); 37178791a102SFabio Estevam if (IS_ERR(sensor->reset_gpio)) 37188791a102SFabio Estevam return PTR_ERR(sensor->reset_gpio); 371919a81c14SSteve Longerbeam 372019a81c14SSteve Longerbeam v4l2_i2c_subdev_init(&sensor->sd, client, &ov5640_subdev_ops); 372119a81c14SSteve Longerbeam 37222d18fbc5SAkinobu Mita sensor->sd.flags |= V4L2_SUBDEV_FL_HAS_DEVNODE | 37232d18fbc5SAkinobu Mita V4L2_SUBDEV_FL_HAS_EVENTS; 372419a81c14SSteve Longerbeam sensor->pad.flags = MEDIA_PAD_FL_SOURCE; 372519a81c14SSteve Longerbeam sensor->sd.entity.function = MEDIA_ENT_F_CAM_SENSOR; 372619a81c14SSteve Longerbeam ret = media_entity_pads_init(&sensor->sd.entity, 1, &sensor->pad); 372719a81c14SSteve Longerbeam if (ret) 372819a81c14SSteve Longerbeam return ret; 372919a81c14SSteve Longerbeam 373019a81c14SSteve Longerbeam ret = ov5640_get_regulators(sensor); 373119a81c14SSteve Longerbeam if (ret) 373219a81c14SSteve Longerbeam return ret; 373319a81c14SSteve Longerbeam 373419a81c14SSteve Longerbeam mutex_init(&sensor->lock); 373519a81c14SSteve Longerbeam 37360f7acb52SHugues Fruchet ret = ov5640_check_chip_id(sensor); 37370f7acb52SHugues Fruchet if (ret) 37380f7acb52SHugues Fruchet goto entity_cleanup; 37390f7acb52SHugues Fruchet 374019a81c14SSteve Longerbeam ret = ov5640_init_controls(sensor); 374119a81c14SSteve Longerbeam if (ret) 374219a81c14SSteve Longerbeam goto entity_cleanup; 374319a81c14SSteve Longerbeam 374415786f7bSSakari Ailus ret = v4l2_async_register_subdev_sensor(&sensor->sd); 374519a81c14SSteve Longerbeam if (ret) 374619a81c14SSteve Longerbeam goto free_ctrls; 374719a81c14SSteve Longerbeam 374819a81c14SSteve Longerbeam return 0; 374919a81c14SSteve Longerbeam 375019a81c14SSteve Longerbeam free_ctrls: 375119a81c14SSteve Longerbeam v4l2_ctrl_handler_free(&sensor->ctrls.handler); 375219a81c14SSteve Longerbeam entity_cleanup: 375319a81c14SSteve Longerbeam media_entity_cleanup(&sensor->sd.entity); 3754bfcba38dSTomi Valkeinen mutex_destroy(&sensor->lock); 375519a81c14SSteve Longerbeam return ret; 375619a81c14SSteve Longerbeam } 375719a81c14SSteve Longerbeam 375819a81c14SSteve Longerbeam static int ov5640_remove(struct i2c_client *client) 375919a81c14SSteve Longerbeam { 376019a81c14SSteve Longerbeam struct v4l2_subdev *sd = i2c_get_clientdata(client); 376119a81c14SSteve Longerbeam struct ov5640_dev *sensor = to_ov5640_dev(sd); 376219a81c14SSteve Longerbeam 376319a81c14SSteve Longerbeam v4l2_async_unregister_subdev(&sensor->sd); 376419a81c14SSteve Longerbeam media_entity_cleanup(&sensor->sd.entity); 376519a81c14SSteve Longerbeam v4l2_ctrl_handler_free(&sensor->ctrls.handler); 3766bfcba38dSTomi Valkeinen mutex_destroy(&sensor->lock); 376719a81c14SSteve Longerbeam 376819a81c14SSteve Longerbeam return 0; 376919a81c14SSteve Longerbeam } 377019a81c14SSteve Longerbeam 377119a81c14SSteve Longerbeam static const struct i2c_device_id ov5640_id[] = { 377219a81c14SSteve Longerbeam {"ov5640", 0}, 377319a81c14SSteve Longerbeam {}, 377419a81c14SSteve Longerbeam }; 377519a81c14SSteve Longerbeam MODULE_DEVICE_TABLE(i2c, ov5640_id); 377619a81c14SSteve Longerbeam 377719a81c14SSteve Longerbeam static const struct of_device_id ov5640_dt_ids[] = { 377819a81c14SSteve Longerbeam { .compatible = "ovti,ov5640" }, 377919a81c14SSteve Longerbeam { /* sentinel */ } 378019a81c14SSteve Longerbeam }; 378119a81c14SSteve Longerbeam MODULE_DEVICE_TABLE(of, ov5640_dt_ids); 378219a81c14SSteve Longerbeam 378319a81c14SSteve Longerbeam static struct i2c_driver ov5640_i2c_driver = { 378419a81c14SSteve Longerbeam .driver = { 378519a81c14SSteve Longerbeam .name = "ov5640", 378619a81c14SSteve Longerbeam .of_match_table = ov5640_dt_ids, 378719a81c14SSteve Longerbeam }, 378819a81c14SSteve Longerbeam .id_table = ov5640_id, 3789e6714993SKieran Bingham .probe_new = ov5640_probe, 379019a81c14SSteve Longerbeam .remove = ov5640_remove, 379119a81c14SSteve Longerbeam }; 379219a81c14SSteve Longerbeam 379319a81c14SSteve Longerbeam module_i2c_driver(ov5640_i2c_driver); 379419a81c14SSteve Longerbeam 379519a81c14SSteve Longerbeam MODULE_DESCRIPTION("OV5640 MIPI Camera Subdev Driver"); 379619a81c14SSteve Longerbeam MODULE_LICENSE("GPL"); 3797