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> 1885644a9bSPaul Elder #include <linux/pm_runtime.h> 1941d8d7f5SHugues Fruchet #include <linux/regulator/consumer.h> 2019a81c14SSteve Longerbeam #include <linux/slab.h> 2119a81c14SSteve Longerbeam #include <linux/types.h> 2219a81c14SSteve Longerbeam #include <media/v4l2-async.h> 2319a81c14SSteve Longerbeam #include <media/v4l2-ctrls.h> 2419a81c14SSteve Longerbeam #include <media/v4l2-device.h> 252d18fbc5SAkinobu Mita #include <media/v4l2-event.h> 2619a81c14SSteve Longerbeam #include <media/v4l2-fwnode.h> 2719a81c14SSteve Longerbeam #include <media/v4l2-subdev.h> 2819a81c14SSteve Longerbeam 2919a81c14SSteve Longerbeam /* min/typical/max system clock (xclk) frequencies */ 3019a81c14SSteve Longerbeam #define OV5640_XCLK_MIN 6000000 3141cb1c73SPhilipp Puschmann #define OV5640_XCLK_MAX 54000000 3219a81c14SSteve Longerbeam 335113d5b3SJacopo Mondi #define OV5640_NATIVE_WIDTH 2624 345113d5b3SJacopo Mondi #define OV5640_NATIVE_HEIGHT 1964 355113d5b3SJacopo Mondi #define OV5640_PIXEL_ARRAY_TOP 14 365113d5b3SJacopo Mondi #define OV5640_PIXEL_ARRAY_LEFT 16 375113d5b3SJacopo Mondi #define OV5640_PIXEL_ARRAY_WIDTH 2592 385113d5b3SJacopo Mondi #define OV5640_PIXEL_ARRAY_HEIGHT 1944 395113d5b3SJacopo Mondi 40bce93b82SJacopo Mondi /* FIXME: not documented. */ 41bce93b82SJacopo Mondi #define OV5640_MIN_VBLANK 24 42bce93b82SJacopo Mondi #define OV5640_MAX_VTS 3375 43bce93b82SJacopo Mondi 4419a81c14SSteve Longerbeam #define OV5640_DEFAULT_SLAVE_ID 0x3c 4519a81c14SSteve Longerbeam 463c28588fSJacopo Mondi #define OV5640_LINK_RATE_MAX 490000000U 473c28588fSJacopo Mondi 48d47c4126SHugues Fruchet #define OV5640_REG_SYS_RESET02 0x3002 49d47c4126SHugues Fruchet #define OV5640_REG_SYS_CLOCK_ENABLE02 0x3006 50f22996dbSHugues Fruchet #define OV5640_REG_SYS_CTRL0 0x3008 513b987d70SLad Prabhakar #define OV5640_REG_SYS_CTRL0_SW_PWDN 0x42 523b987d70SLad Prabhakar #define OV5640_REG_SYS_CTRL0_SW_PWUP 0x02 53*decea0a9SJai Luthra #define OV5640_REG_SYS_CTRL0_SW_RST 0x82 5419a81c14SSteve Longerbeam #define OV5640_REG_CHIP_ID 0x300a 55f22996dbSHugues Fruchet #define OV5640_REG_IO_MIPI_CTRL00 0x300e 56f22996dbSHugues Fruchet #define OV5640_REG_PAD_OUTPUT_ENABLE01 0x3017 57f22996dbSHugues Fruchet #define OV5640_REG_PAD_OUTPUT_ENABLE02 0x3018 5819a81c14SSteve Longerbeam #define OV5640_REG_PAD_OUTPUT00 0x3019 59f22996dbSHugues Fruchet #define OV5640_REG_SYSTEM_CONTROL1 0x302e 6019a81c14SSteve Longerbeam #define OV5640_REG_SC_PLL_CTRL0 0x3034 6119a81c14SSteve Longerbeam #define OV5640_REG_SC_PLL_CTRL1 0x3035 6219a81c14SSteve Longerbeam #define OV5640_REG_SC_PLL_CTRL2 0x3036 6319a81c14SSteve Longerbeam #define OV5640_REG_SC_PLL_CTRL3 0x3037 6419a81c14SSteve Longerbeam #define OV5640_REG_SLAVE_ID 0x3100 65f22996dbSHugues Fruchet #define OV5640_REG_SCCB_SYS_CTRL1 0x3103 6619a81c14SSteve Longerbeam #define OV5640_REG_SYS_ROOT_DIVIDER 0x3108 6719a81c14SSteve Longerbeam #define OV5640_REG_AWB_R_GAIN 0x3400 6819a81c14SSteve Longerbeam #define OV5640_REG_AWB_G_GAIN 0x3402 6919a81c14SSteve Longerbeam #define OV5640_REG_AWB_B_GAIN 0x3404 7019a81c14SSteve Longerbeam #define OV5640_REG_AWB_MANUAL_CTRL 0x3406 7119a81c14SSteve Longerbeam #define OV5640_REG_AEC_PK_EXPOSURE_HI 0x3500 7219a81c14SSteve Longerbeam #define OV5640_REG_AEC_PK_EXPOSURE_MED 0x3501 7319a81c14SSteve Longerbeam #define OV5640_REG_AEC_PK_EXPOSURE_LO 0x3502 7419a81c14SSteve Longerbeam #define OV5640_REG_AEC_PK_MANUAL 0x3503 7519a81c14SSteve Longerbeam #define OV5640_REG_AEC_PK_REAL_GAIN 0x350a 7619a81c14SSteve Longerbeam #define OV5640_REG_AEC_PK_VTS 0x350c 773145efcdSJacopo Mondi #define OV5640_REG_TIMING_HS 0x3800 783145efcdSJacopo Mondi #define OV5640_REG_TIMING_VS 0x3802 793145efcdSJacopo Mondi #define OV5640_REG_TIMING_HW 0x3804 803145efcdSJacopo Mondi #define OV5640_REG_TIMING_VH 0x3806 8186633417SMaxime Ripard #define OV5640_REG_TIMING_DVPHO 0x3808 8286633417SMaxime Ripard #define OV5640_REG_TIMING_DVPVO 0x380a 8319a81c14SSteve Longerbeam #define OV5640_REG_TIMING_HTS 0x380c 8419a81c14SSteve Longerbeam #define OV5640_REG_TIMING_VTS 0x380e 853145efcdSJacopo Mondi #define OV5640_REG_TIMING_HOFFS 0x3810 863145efcdSJacopo Mondi #define OV5640_REG_TIMING_VOFFS 0x3812 87ce85705aSHugues Fruchet #define OV5640_REG_TIMING_TC_REG20 0x3820 8819a81c14SSteve Longerbeam #define OV5640_REG_TIMING_TC_REG21 0x3821 8919a81c14SSteve Longerbeam #define OV5640_REG_AEC_CTRL00 0x3a00 9019a81c14SSteve Longerbeam #define OV5640_REG_AEC_B50_STEP 0x3a08 9119a81c14SSteve Longerbeam #define OV5640_REG_AEC_B60_STEP 0x3a0a 9219a81c14SSteve Longerbeam #define OV5640_REG_AEC_CTRL0D 0x3a0d 9319a81c14SSteve Longerbeam #define OV5640_REG_AEC_CTRL0E 0x3a0e 9419a81c14SSteve Longerbeam #define OV5640_REG_AEC_CTRL0F 0x3a0f 9519a81c14SSteve Longerbeam #define OV5640_REG_AEC_CTRL10 0x3a10 9619a81c14SSteve Longerbeam #define OV5640_REG_AEC_CTRL11 0x3a11 9719a81c14SSteve Longerbeam #define OV5640_REG_AEC_CTRL1B 0x3a1b 9819a81c14SSteve Longerbeam #define OV5640_REG_AEC_CTRL1E 0x3a1e 9919a81c14SSteve Longerbeam #define OV5640_REG_AEC_CTRL1F 0x3a1f 10019a81c14SSteve Longerbeam #define OV5640_REG_HZ5060_CTRL00 0x3c00 10119a81c14SSteve Longerbeam #define OV5640_REG_HZ5060_CTRL01 0x3c01 10219a81c14SSteve Longerbeam #define OV5640_REG_SIGMADELTA_CTRL0C 0x3c0c 10319a81c14SSteve Longerbeam #define OV5640_REG_FRAME_CTRL01 0x4202 104e3ee691dSHugues Fruchet #define OV5640_REG_FORMAT_CONTROL00 0x4300 1057cb013b1SChen-Yu Tsai #define OV5640_REG_VFIFO_HSIZE 0x4602 1067cb013b1SChen-Yu Tsai #define OV5640_REG_VFIFO_VSIZE 0x4604 1072b5c18f9SChen-Yu Tsai #define OV5640_REG_JPG_MODE_SELECT 0x4713 1084039b037SLad Prabhakar #define OV5640_REG_CCIR656_CTRL00 0x4730 109f22996dbSHugues Fruchet #define OV5640_REG_POLARITY_CTRL00 0x4740 11019a81c14SSteve Longerbeam #define OV5640_REG_MIPI_CTRL00 0x4800 11119a81c14SSteve Longerbeam #define OV5640_REG_DEBUG_MODE 0x4814 1126c957ed7SJacopo Mondi #define OV5640_REG_PCLK_PERIOD 0x4837 113e3ee691dSHugues Fruchet #define OV5640_REG_ISP_FORMAT_MUX_CTRL 0x501f 11419a81c14SSteve Longerbeam #define OV5640_REG_PRE_ISP_TEST_SET1 0x503d 11519a81c14SSteve Longerbeam #define OV5640_REG_SDE_CTRL0 0x5580 11619a81c14SSteve Longerbeam #define OV5640_REG_SDE_CTRL1 0x5581 11719a81c14SSteve Longerbeam #define OV5640_REG_SDE_CTRL3 0x5583 11819a81c14SSteve Longerbeam #define OV5640_REG_SDE_CTRL4 0x5584 11919a81c14SSteve Longerbeam #define OV5640_REG_SDE_CTRL5 0x5585 12019a81c14SSteve Longerbeam #define OV5640_REG_AVG_READOUT 0x56a1 12119a81c14SSteve Longerbeam 12219a81c14SSteve Longerbeam enum ov5640_mode_id { 12332ea5e05SHugues Fruchet OV5640_MODE_QQVGA_160_120 = 0, 12432ea5e05SHugues Fruchet OV5640_MODE_QCIF_176_144, 12519a81c14SSteve Longerbeam OV5640_MODE_QVGA_320_240, 12619a81c14SSteve Longerbeam OV5640_MODE_VGA_640_480, 12719a81c14SSteve Longerbeam OV5640_MODE_NTSC_720_480, 12819a81c14SSteve Longerbeam OV5640_MODE_PAL_720_576, 12919a81c14SSteve Longerbeam OV5640_MODE_XGA_1024_768, 13019a81c14SSteve Longerbeam OV5640_MODE_720P_1280_720, 13119a81c14SSteve Longerbeam OV5640_MODE_1080P_1920_1080, 13219a81c14SSteve Longerbeam OV5640_MODE_QSXGA_2592_1944, 13319a81c14SSteve Longerbeam OV5640_NUM_MODES, 13419a81c14SSteve Longerbeam }; 13519a81c14SSteve Longerbeam 13619a81c14SSteve Longerbeam enum ov5640_frame_rate { 13719a81c14SSteve Longerbeam OV5640_15_FPS = 0, 13819a81c14SSteve Longerbeam OV5640_30_FPS, 139e823fb16SMaxime Ripard OV5640_60_FPS, 14019a81c14SSteve Longerbeam OV5640_NUM_FRAMERATES, 14119a81c14SSteve Longerbeam }; 14219a81c14SSteve Longerbeam 14322845bf2SJacopo Mondi enum ov5640_pixel_rate_id { 14422845bf2SJacopo Mondi OV5640_PIXEL_RATE_168M, 14522845bf2SJacopo Mondi OV5640_PIXEL_RATE_148M, 14622845bf2SJacopo Mondi OV5640_PIXEL_RATE_124M, 14722845bf2SJacopo Mondi OV5640_PIXEL_RATE_96M, 14822845bf2SJacopo Mondi OV5640_PIXEL_RATE_48M, 14922845bf2SJacopo Mondi OV5640_NUM_PIXEL_RATES, 15022845bf2SJacopo Mondi }; 15122845bf2SJacopo Mondi 15222845bf2SJacopo Mondi /* 15322845bf2SJacopo Mondi * The chip manual suggests 24/48/96/192 MHz pixel clocks. 15422845bf2SJacopo Mondi * 15522845bf2SJacopo Mondi * 192MHz exceeds the sysclk limits; use 168MHz as maximum pixel rate for 15622845bf2SJacopo Mondi * full resolution mode @15 FPS. 15722845bf2SJacopo Mondi */ 15822845bf2SJacopo Mondi static const u32 ov5640_pixel_rates[] = { 15922845bf2SJacopo Mondi [OV5640_PIXEL_RATE_168M] = 168000000, 16022845bf2SJacopo Mondi [OV5640_PIXEL_RATE_148M] = 148000000, 16122845bf2SJacopo Mondi [OV5640_PIXEL_RATE_124M] = 124000000, 16222845bf2SJacopo Mondi [OV5640_PIXEL_RATE_96M] = 96000000, 16322845bf2SJacopo Mondi [OV5640_PIXEL_RATE_48M] = 48000000, 16422845bf2SJacopo Mondi }; 16522845bf2SJacopo Mondi 1667a3b8d4bSJacopo Mondi /* 1677a3b8d4bSJacopo Mondi * MIPI CSI-2 link frequencies. 1687a3b8d4bSJacopo Mondi * 1697a3b8d4bSJacopo Mondi * Derived from the above defined pixel rate for bpp = (8, 16, 24) and 1707a3b8d4bSJacopo Mondi * data_lanes = (1, 2) 1717a3b8d4bSJacopo Mondi * 1727a3b8d4bSJacopo Mondi * link_freq = (pixel_rate * bpp) / (2 * data_lanes) 1737a3b8d4bSJacopo Mondi */ 1747a3b8d4bSJacopo Mondi static const s64 ov5640_csi2_link_freqs[] = { 1757a3b8d4bSJacopo Mondi 992000000, 888000000, 768000000, 744000000, 672000000, 672000000, 1767a3b8d4bSJacopo Mondi 592000000, 592000000, 576000000, 576000000, 496000000, 496000000, 1777a3b8d4bSJacopo Mondi 384000000, 384000000, 384000000, 336000000, 296000000, 288000000, 1787a3b8d4bSJacopo Mondi 248000000, 192000000, 192000000, 192000000, 96000000, 1797a3b8d4bSJacopo Mondi }; 1807a3b8d4bSJacopo Mondi 1817a3b8d4bSJacopo Mondi /* Link freq for default mode: UYVY 16 bpp, 2 data lanes. */ 1827a3b8d4bSJacopo Mondi #define OV5640_DEFAULT_LINK_FREQ 13 1837a3b8d4bSJacopo Mondi 184b7ed3abdSLoic Poulain enum ov5640_format_mux { 185b7ed3abdSLoic Poulain OV5640_FMT_MUX_YUV422 = 0, 186b7ed3abdSLoic Poulain OV5640_FMT_MUX_RGB, 187b7ed3abdSLoic Poulain OV5640_FMT_MUX_DITHER, 188b7ed3abdSLoic Poulain OV5640_FMT_MUX_RAW_DPC, 189b7ed3abdSLoic Poulain OV5640_FMT_MUX_SNR_RAW, 190b7ed3abdSLoic Poulain OV5640_FMT_MUX_RAW_CIP, 191b7ed3abdSLoic Poulain }; 192b7ed3abdSLoic Poulain 193a89f14bbSJacopo Mondi struct ov5640_pixfmt { 194e3ee691dSHugues Fruchet u32 code; 195e3ee691dSHugues Fruchet u32 colorspace; 1962d7671f6SJacopo Mondi u8 bpp; 197935fbc94SJacopo Mondi u8 ctrl00; 198935fbc94SJacopo Mondi enum ov5640_format_mux mux; 199a89f14bbSJacopo Mondi }; 200a89f14bbSJacopo Mondi 201a89f14bbSJacopo Mondi static const struct ov5640_pixfmt ov5640_dvp_formats[] = { 2022d7671f6SJacopo Mondi { 203935fbc94SJacopo Mondi /* YUV422, YUYV */ 2042d7671f6SJacopo Mondi .code = MEDIA_BUS_FMT_JPEG_1X8, 2052d7671f6SJacopo Mondi .colorspace = V4L2_COLORSPACE_JPEG, 2062d7671f6SJacopo Mondi .bpp = 16, 207935fbc94SJacopo Mondi .ctrl00 = 0x30, 208935fbc94SJacopo Mondi .mux = OV5640_FMT_MUX_YUV422, 2092d7671f6SJacopo Mondi }, { 210935fbc94SJacopo Mondi /* YUV422, UYVY */ 2112d7671f6SJacopo Mondi .code = MEDIA_BUS_FMT_UYVY8_2X8, 2122d7671f6SJacopo Mondi .colorspace = V4L2_COLORSPACE_SRGB, 2132d7671f6SJacopo Mondi .bpp = 16, 214935fbc94SJacopo Mondi .ctrl00 = 0x3f, 215935fbc94SJacopo Mondi .mux = OV5640_FMT_MUX_YUV422, 2162d7671f6SJacopo Mondi }, { 217935fbc94SJacopo Mondi /* YUV422, YUYV */ 2182d7671f6SJacopo Mondi .code = MEDIA_BUS_FMT_YUYV8_2X8, 2192d7671f6SJacopo Mondi .colorspace = V4L2_COLORSPACE_SRGB, 2202d7671f6SJacopo Mondi .bpp = 16, 221935fbc94SJacopo Mondi .ctrl00 = 0x30, 222935fbc94SJacopo Mondi .mux = OV5640_FMT_MUX_YUV422, 2232d7671f6SJacopo Mondi }, { 224935fbc94SJacopo Mondi /* RGB565 {g[2:0],b[4:0]},{r[4:0],g[5:3]} */ 2252d7671f6SJacopo Mondi .code = MEDIA_BUS_FMT_RGB565_2X8_LE, 2262d7671f6SJacopo Mondi .colorspace = V4L2_COLORSPACE_SRGB, 2272d7671f6SJacopo Mondi .bpp = 16, 228935fbc94SJacopo Mondi .ctrl00 = 0x6f, 229935fbc94SJacopo Mondi .mux = OV5640_FMT_MUX_RGB, 2302d7671f6SJacopo Mondi }, { 231935fbc94SJacopo Mondi /* RGB565 {r[4:0],g[5:3]},{g[2:0],b[4:0]} */ 2322d7671f6SJacopo Mondi .code = MEDIA_BUS_FMT_RGB565_2X8_BE, 2332d7671f6SJacopo Mondi .colorspace = V4L2_COLORSPACE_SRGB, 2342d7671f6SJacopo Mondi .bpp = 16, 235935fbc94SJacopo Mondi .ctrl00 = 0x61, 236935fbc94SJacopo Mondi .mux = OV5640_FMT_MUX_RGB, 2372d7671f6SJacopo Mondi }, { 238935fbc94SJacopo Mondi /* Raw, BGBG... / GRGR... */ 239a89f14bbSJacopo Mondi .code = MEDIA_BUS_FMT_SBGGR8_1X8, 240a89f14bbSJacopo Mondi .colorspace = V4L2_COLORSPACE_SRGB, 241a89f14bbSJacopo Mondi .bpp = 8, 242935fbc94SJacopo Mondi .ctrl00 = 0x00, 243935fbc94SJacopo Mondi .mux = OV5640_FMT_MUX_RAW_DPC, 244a89f14bbSJacopo Mondi }, { 245935fbc94SJacopo Mondi /* Raw bayer, GBGB... / RGRG... */ 246a89f14bbSJacopo Mondi .code = MEDIA_BUS_FMT_SGBRG8_1X8, 247a89f14bbSJacopo Mondi .colorspace = V4L2_COLORSPACE_SRGB, 248935fbc94SJacopo Mondi .bpp = 8, 249935fbc94SJacopo Mondi .ctrl00 = 0x01, 250935fbc94SJacopo Mondi .mux = OV5640_FMT_MUX_RAW_DPC, 251a89f14bbSJacopo Mondi }, { 252935fbc94SJacopo Mondi /* Raw bayer, GRGR... / BGBG... */ 253a89f14bbSJacopo Mondi .code = MEDIA_BUS_FMT_SGRBG8_1X8, 254a89f14bbSJacopo Mondi .colorspace = V4L2_COLORSPACE_SRGB, 255a89f14bbSJacopo Mondi .bpp = 8, 256935fbc94SJacopo Mondi .ctrl00 = 0x02, 257935fbc94SJacopo Mondi .mux = OV5640_FMT_MUX_RAW_DPC, 258a89f14bbSJacopo Mondi }, { 259935fbc94SJacopo Mondi /* Raw bayer, RGRG... / GBGB... */ 260a89f14bbSJacopo Mondi .code = MEDIA_BUS_FMT_SRGGB8_1X8, 261a89f14bbSJacopo Mondi .colorspace = V4L2_COLORSPACE_SRGB, 262a89f14bbSJacopo Mondi .bpp = 8, 263935fbc94SJacopo Mondi .ctrl00 = 0x03, 264935fbc94SJacopo Mondi .mux = OV5640_FMT_MUX_RAW_DPC, 265a89f14bbSJacopo Mondi }, 266a89f14bbSJacopo Mondi { /* sentinel */ } 267a89f14bbSJacopo Mondi }; 268a89f14bbSJacopo Mondi 269a89f14bbSJacopo Mondi static const struct ov5640_pixfmt ov5640_csi2_formats[] = { 270a89f14bbSJacopo Mondi { 271935fbc94SJacopo Mondi /* YUV422, YUYV */ 272a89f14bbSJacopo Mondi .code = MEDIA_BUS_FMT_JPEG_1X8, 273a89f14bbSJacopo Mondi .colorspace = V4L2_COLORSPACE_JPEG, 274a89f14bbSJacopo Mondi .bpp = 16, 275935fbc94SJacopo Mondi .ctrl00 = 0x30, 276935fbc94SJacopo Mondi .mux = OV5640_FMT_MUX_YUV422, 277a89f14bbSJacopo Mondi }, { 278935fbc94SJacopo Mondi /* YUV422, UYVY */ 279a89f14bbSJacopo Mondi .code = MEDIA_BUS_FMT_UYVY8_1X16, 280a89f14bbSJacopo Mondi .colorspace = V4L2_COLORSPACE_SRGB, 281a89f14bbSJacopo Mondi .bpp = 16, 282935fbc94SJacopo Mondi .ctrl00 = 0x3f, 283935fbc94SJacopo Mondi .mux = OV5640_FMT_MUX_YUV422, 284a89f14bbSJacopo Mondi }, { 285935fbc94SJacopo Mondi /* YUV422, YUYV */ 286a89f14bbSJacopo Mondi .code = MEDIA_BUS_FMT_YUYV8_1X16, 287a89f14bbSJacopo Mondi .colorspace = V4L2_COLORSPACE_SRGB, 288a89f14bbSJacopo Mondi .bpp = 16, 289935fbc94SJacopo Mondi .ctrl00 = 0x30, 290935fbc94SJacopo Mondi .mux = OV5640_FMT_MUX_YUV422, 291a89f14bbSJacopo Mondi }, { 292935fbc94SJacopo Mondi /* RGB565 {g[2:0],b[4:0]},{r[4:0],g[5:3]} */ 2930a43fcd7SJacopo Mondi .code = MEDIA_BUS_FMT_RGB565_1X16, 2940a43fcd7SJacopo Mondi .colorspace = V4L2_COLORSPACE_SRGB, 2950a43fcd7SJacopo Mondi .bpp = 16, 296935fbc94SJacopo Mondi .ctrl00 = 0x6f, 297935fbc94SJacopo Mondi .mux = OV5640_FMT_MUX_RGB, 2980a43fcd7SJacopo Mondi }, { 299935fbc94SJacopo Mondi /* BGR888: RGB */ 3006ac98b41SJacopo Mondi .code = MEDIA_BUS_FMT_BGR888_1X24, 3016ac98b41SJacopo Mondi .colorspace = V4L2_COLORSPACE_SRGB, 3026ac98b41SJacopo Mondi .bpp = 24, 303935fbc94SJacopo Mondi .ctrl00 = 0x23, 304935fbc94SJacopo Mondi .mux = OV5640_FMT_MUX_RGB, 3056ac98b41SJacopo Mondi }, { 306935fbc94SJacopo Mondi /* Raw, BGBG... / GRGR... */ 3072d7671f6SJacopo Mondi .code = MEDIA_BUS_FMT_SBGGR8_1X8, 3082d7671f6SJacopo Mondi .colorspace = V4L2_COLORSPACE_SRGB, 3092d7671f6SJacopo Mondi .bpp = 8, 310935fbc94SJacopo Mondi .ctrl00 = 0x00, 311935fbc94SJacopo Mondi .mux = OV5640_FMT_MUX_RAW_DPC, 3122d7671f6SJacopo Mondi }, { 313935fbc94SJacopo Mondi /* Raw bayer, GBGB... / RGRG... */ 3142d7671f6SJacopo Mondi .code = MEDIA_BUS_FMT_SGBRG8_1X8, 3152d7671f6SJacopo Mondi .colorspace = V4L2_COLORSPACE_SRGB, 316935fbc94SJacopo Mondi .bpp = 8, 317935fbc94SJacopo Mondi .ctrl00 = 0x01, 318935fbc94SJacopo Mondi .mux = OV5640_FMT_MUX_RAW_DPC, 3192d7671f6SJacopo Mondi }, { 320935fbc94SJacopo Mondi /* Raw bayer, GRGR... / BGBG... */ 3212d7671f6SJacopo Mondi .code = MEDIA_BUS_FMT_SGRBG8_1X8, 3222d7671f6SJacopo Mondi .colorspace = V4L2_COLORSPACE_SRGB, 3232d7671f6SJacopo Mondi .bpp = 8, 324935fbc94SJacopo Mondi .ctrl00 = 0x02, 325935fbc94SJacopo Mondi .mux = OV5640_FMT_MUX_RAW_DPC, 3262d7671f6SJacopo Mondi }, { 327935fbc94SJacopo Mondi /* Raw bayer, RGRG... / GBGB... */ 3282d7671f6SJacopo Mondi .code = MEDIA_BUS_FMT_SRGGB8_1X8, 3292d7671f6SJacopo Mondi .colorspace = V4L2_COLORSPACE_SRGB, 3302d7671f6SJacopo Mondi .bpp = 8, 331935fbc94SJacopo Mondi .ctrl00 = 0x03, 332935fbc94SJacopo Mondi .mux = OV5640_FMT_MUX_RAW_DPC, 3332d7671f6SJacopo Mondi }, 334a89f14bbSJacopo Mondi { /* sentinel */ } 335e3ee691dSHugues Fruchet }; 336e3ee691dSHugues Fruchet 33719a81c14SSteve Longerbeam /* 33819a81c14SSteve Longerbeam * FIXME: remove this when a subdev API becomes available 33919a81c14SSteve Longerbeam * to set the MIPI CSI-2 virtual channel. 34019a81c14SSteve Longerbeam */ 34119a81c14SSteve Longerbeam static unsigned int virtual_channel; 3428670d70aSHugues Fruchet module_param(virtual_channel, uint, 0444); 34319a81c14SSteve Longerbeam MODULE_PARM_DESC(virtual_channel, 34419a81c14SSteve Longerbeam "MIPI CSI-2 virtual channel (0..3), default 0"); 34519a81c14SSteve Longerbeam 34619a81c14SSteve Longerbeam static const int ov5640_framerates[] = { 34719a81c14SSteve Longerbeam [OV5640_15_FPS] = 15, 34819a81c14SSteve Longerbeam [OV5640_30_FPS] = 30, 349e823fb16SMaxime Ripard [OV5640_60_FPS] = 60, 35019a81c14SSteve Longerbeam }; 35119a81c14SSteve Longerbeam 35219a81c14SSteve Longerbeam /* regulator supplies */ 35319a81c14SSteve Longerbeam static const char * const ov5640_supply_name[] = { 35441d8d7f5SHugues Fruchet "DOVDD", /* Digital I/O (1.8V) supply */ 35519a81c14SSteve Longerbeam "AVDD", /* Analog (2.8V) supply */ 35624c8ac89SFabio Estevam "DVDD", /* Digital Core (1.5V) supply */ 35719a81c14SSteve Longerbeam }; 35819a81c14SSteve Longerbeam 35919a81c14SSteve Longerbeam #define OV5640_NUM_SUPPLIES ARRAY_SIZE(ov5640_supply_name) 36019a81c14SSteve Longerbeam 36119a81c14SSteve Longerbeam /* 36219a81c14SSteve Longerbeam * Image size under 1280 * 960 are SUBSAMPLING 36319a81c14SSteve Longerbeam * Image size upper 1280 * 960 are SCALING 36419a81c14SSteve Longerbeam */ 36519a81c14SSteve Longerbeam enum ov5640_downsize_mode { 36619a81c14SSteve Longerbeam SUBSAMPLING, 36719a81c14SSteve Longerbeam SCALING, 36819a81c14SSteve Longerbeam }; 36919a81c14SSteve Longerbeam 37019a81c14SSteve Longerbeam struct reg_value { 37119a81c14SSteve Longerbeam u16 reg_addr; 37219a81c14SSteve Longerbeam u8 val; 37319a81c14SSteve Longerbeam u8 mask; 37419a81c14SSteve Longerbeam u32 delay_ms; 37519a81c14SSteve Longerbeam }; 37619a81c14SSteve Longerbeam 3775113d5b3SJacopo Mondi struct ov5640_timings { 3783145efcdSJacopo Mondi /* Analog crop rectangle. */ 3793145efcdSJacopo Mondi struct v4l2_rect analog_crop; 3803145efcdSJacopo Mondi /* Visibile crop: from analog crop top-left corner. */ 3813145efcdSJacopo Mondi struct v4l2_rect crop; 3825113d5b3SJacopo Mondi /* Total pixels per line: width + fixed hblank. */ 383476dec01SMaxime Ripard u32 htot; 3845113d5b3SJacopo Mondi /* Default vertical blanking: frame height = height + vblank. */ 3853145efcdSJacopo Mondi u32 vblank_def; 3865113d5b3SJacopo Mondi }; 3875113d5b3SJacopo Mondi 3885113d5b3SJacopo Mondi struct ov5640_mode_info { 3895113d5b3SJacopo Mondi enum ov5640_mode_id id; 3905113d5b3SJacopo Mondi enum ov5640_downsize_mode dn_mode; 3915113d5b3SJacopo Mondi enum ov5640_pixel_rate_id pixel_rate; 3925113d5b3SJacopo Mondi 3935113d5b3SJacopo Mondi unsigned int width; 3945113d5b3SJacopo Mondi unsigned int height; 3955113d5b3SJacopo Mondi 3965113d5b3SJacopo Mondi struct ov5640_timings dvp_timings; 3975113d5b3SJacopo Mondi struct ov5640_timings csi2_timings; 3985113d5b3SJacopo Mondi 39919a81c14SSteve Longerbeam const struct reg_value *reg_data; 40019a81c14SSteve Longerbeam u32 reg_data_size; 4015113d5b3SJacopo Mondi 4025113d5b3SJacopo Mondi /* Used by s_frame_interval only. */ 4035554c80eSAdam Ford u32 max_fps; 40419f2e3e6SHugues Fruchet u32 def_fps; 40519a81c14SSteve Longerbeam }; 40619a81c14SSteve Longerbeam 40719a81c14SSteve Longerbeam struct ov5640_ctrls { 40819a81c14SSteve Longerbeam struct v4l2_ctrl_handler handler; 409cc196e48SBenoit Parrot struct v4l2_ctrl *pixel_rate; 4107a3b8d4bSJacopo Mondi struct v4l2_ctrl *link_freq; 41132979f67SJacopo Mondi struct v4l2_ctrl *hblank; 412bce93b82SJacopo Mondi struct v4l2_ctrl *vblank; 41319a81c14SSteve Longerbeam struct { 41419a81c14SSteve Longerbeam struct v4l2_ctrl *auto_exp; 41519a81c14SSteve Longerbeam struct v4l2_ctrl *exposure; 41619a81c14SSteve Longerbeam }; 41719a81c14SSteve Longerbeam struct { 41819a81c14SSteve Longerbeam struct v4l2_ctrl *auto_wb; 41919a81c14SSteve Longerbeam struct v4l2_ctrl *blue_balance; 42019a81c14SSteve Longerbeam struct v4l2_ctrl *red_balance; 42119a81c14SSteve Longerbeam }; 42219a81c14SSteve Longerbeam struct { 42319a81c14SSteve Longerbeam struct v4l2_ctrl *auto_gain; 42419a81c14SSteve Longerbeam struct v4l2_ctrl *gain; 42519a81c14SSteve Longerbeam }; 42619a81c14SSteve Longerbeam struct v4l2_ctrl *brightness; 4271068fecaSMylène Josserand struct v4l2_ctrl *light_freq; 42819a81c14SSteve Longerbeam struct v4l2_ctrl *saturation; 42919a81c14SSteve Longerbeam struct v4l2_ctrl *contrast; 43019a81c14SSteve Longerbeam struct v4l2_ctrl *hue; 43119a81c14SSteve Longerbeam struct v4l2_ctrl *test_pattern; 432ce85705aSHugues Fruchet struct v4l2_ctrl *hflip; 433ce85705aSHugues Fruchet struct v4l2_ctrl *vflip; 43419a81c14SSteve Longerbeam }; 43519a81c14SSteve Longerbeam 43619a81c14SSteve Longerbeam struct ov5640_dev { 43719a81c14SSteve Longerbeam struct i2c_client *i2c_client; 43819a81c14SSteve Longerbeam struct v4l2_subdev sd; 43919a81c14SSteve Longerbeam struct media_pad pad; 44019a81c14SSteve Longerbeam struct v4l2_fwnode_endpoint ep; /* the parsed DT endpoint info */ 44119a81c14SSteve Longerbeam struct clk *xclk; /* system clock to OV5640 */ 44219a81c14SSteve Longerbeam u32 xclk_freq; 44319a81c14SSteve Longerbeam 44419a81c14SSteve Longerbeam struct regulator_bulk_data supplies[OV5640_NUM_SUPPLIES]; 44519a81c14SSteve Longerbeam struct gpio_desc *reset_gpio; 44619a81c14SSteve Longerbeam struct gpio_desc *pwdn_gpio; 447c3f3ba3eSHugues Fruchet bool upside_down; 44819a81c14SSteve Longerbeam 44919a81c14SSteve Longerbeam /* lock to protect all members below */ 45019a81c14SSteve Longerbeam struct mutex lock; 45119a81c14SSteve Longerbeam 45219a81c14SSteve Longerbeam struct v4l2_mbus_framefmt fmt; 453fb98e29fSHugues Fruchet bool pending_fmt_change; 45419a81c14SSteve Longerbeam 45519a81c14SSteve Longerbeam const struct ov5640_mode_info *current_mode; 456985cdcb0SHugues Fruchet const struct ov5640_mode_info *last_mode; 45719a81c14SSteve Longerbeam enum ov5640_frame_rate current_fr; 45819a81c14SSteve Longerbeam struct v4l2_fract frame_interval; 4593c28588fSJacopo Mondi s64 current_link_freq; 46019a81c14SSteve Longerbeam 46119a81c14SSteve Longerbeam struct ov5640_ctrls ctrls; 46219a81c14SSteve Longerbeam 46319a81c14SSteve Longerbeam u32 prev_sysclk, prev_hts; 46419a81c14SSteve Longerbeam u32 ae_low, ae_high, ae_target; 46519a81c14SSteve Longerbeam 46619a81c14SSteve Longerbeam bool pending_mode_change; 46719a81c14SSteve Longerbeam bool streaming; 46819a81c14SSteve Longerbeam }; 46919a81c14SSteve Longerbeam 47019a81c14SSteve Longerbeam static inline struct ov5640_dev *to_ov5640_dev(struct v4l2_subdev *sd) 47119a81c14SSteve Longerbeam { 47219a81c14SSteve Longerbeam return container_of(sd, struct ov5640_dev, sd); 47319a81c14SSteve Longerbeam } 47419a81c14SSteve Longerbeam 47519a81c14SSteve Longerbeam static inline struct v4l2_subdev *ctrl_to_sd(struct v4l2_ctrl *ctrl) 47619a81c14SSteve Longerbeam { 47719a81c14SSteve Longerbeam return &container_of(ctrl->handler, struct ov5640_dev, 47819a81c14SSteve Longerbeam ctrls.handler)->sd; 47919a81c14SSteve Longerbeam } 48019a81c14SSteve Longerbeam 4818e823f5cSJacopo Mondi static inline bool ov5640_is_csi2(const struct ov5640_dev *sensor) 4828e823f5cSJacopo Mondi { 4838e823f5cSJacopo Mondi return sensor->ep.bus_type == V4L2_MBUS_CSI2_DPHY; 4848e823f5cSJacopo Mondi } 4858e823f5cSJacopo Mondi 486a89f14bbSJacopo Mondi static inline const struct ov5640_pixfmt * 487a89f14bbSJacopo Mondi ov5640_formats(struct ov5640_dev *sensor) 488a89f14bbSJacopo Mondi { 489a89f14bbSJacopo Mondi return ov5640_is_csi2(sensor) ? ov5640_csi2_formats 490a89f14bbSJacopo Mondi : ov5640_dvp_formats; 491a89f14bbSJacopo Mondi } 492a89f14bbSJacopo Mondi 493a89f14bbSJacopo Mondi static const struct ov5640_pixfmt * 494a89f14bbSJacopo Mondi ov5640_code_to_pixfmt(struct ov5640_dev *sensor, u32 code) 495a89f14bbSJacopo Mondi { 496a89f14bbSJacopo Mondi const struct ov5640_pixfmt *formats = ov5640_formats(sensor); 497a89f14bbSJacopo Mondi unsigned int i; 498a89f14bbSJacopo Mondi 499a89f14bbSJacopo Mondi for (i = 0; formats[i].code; ++i) { 500a89f14bbSJacopo Mondi if (formats[i].code == code) 501a89f14bbSJacopo Mondi return &formats[i]; 502a89f14bbSJacopo Mondi } 503a89f14bbSJacopo Mondi 504a89f14bbSJacopo Mondi return &formats[0]; 505a89f14bbSJacopo Mondi } 506a89f14bbSJacopo Mondi 507a89f14bbSJacopo Mondi static u32 ov5640_code_to_bpp(struct ov5640_dev *sensor, u32 code) 508a89f14bbSJacopo Mondi { 509a89f14bbSJacopo Mondi const struct ov5640_pixfmt *format = ov5640_code_to_pixfmt(sensor, 510a89f14bbSJacopo Mondi code); 511a89f14bbSJacopo Mondi 512a89f14bbSJacopo Mondi return format->bpp; 513a89f14bbSJacopo Mondi } 514a89f14bbSJacopo Mondi 51519a81c14SSteve Longerbeam /* 51619a81c14SSteve Longerbeam * FIXME: all of these register tables are likely filled with 51719a81c14SSteve Longerbeam * entries that set the register to their power-on default values, 51819a81c14SSteve Longerbeam * and which are otherwise not touched by this driver. Those entries 51919a81c14SSteve Longerbeam * should be identified and removed to speed register load time 52019a81c14SSteve Longerbeam * over i2c. 52119a81c14SSteve Longerbeam */ 522fb98e29fSHugues Fruchet /* YUV422 UYVY VGA@30fps */ 52390b0f355SJacopo Mondi 52468453b02SGuoniu.zhou static const struct v4l2_mbus_framefmt ov5640_csi2_default_fmt = { 52568453b02SGuoniu.zhou .code = MEDIA_BUS_FMT_UYVY8_1X16, 52668453b02SGuoniu.zhou .width = 640, 52768453b02SGuoniu.zhou .height = 480, 52868453b02SGuoniu.zhou .colorspace = V4L2_COLORSPACE_SRGB, 52968453b02SGuoniu.zhou .ycbcr_enc = V4L2_MAP_YCBCR_ENC_DEFAULT(V4L2_COLORSPACE_SRGB), 53068453b02SGuoniu.zhou .quantization = V4L2_QUANTIZATION_FULL_RANGE, 53168453b02SGuoniu.zhou .xfer_func = V4L2_MAP_XFER_FUNC_DEFAULT(V4L2_COLORSPACE_SRGB), 53268453b02SGuoniu.zhou .field = V4L2_FIELD_NONE, 53368453b02SGuoniu.zhou }; 53468453b02SGuoniu.zhou 53568453b02SGuoniu.zhou static const struct v4l2_mbus_framefmt ov5640_dvp_default_fmt = { 53690b0f355SJacopo Mondi .code = MEDIA_BUS_FMT_UYVY8_2X8, 53790b0f355SJacopo Mondi .width = 640, 53890b0f355SJacopo Mondi .height = 480, 53990b0f355SJacopo Mondi .colorspace = V4L2_COLORSPACE_SRGB, 54090b0f355SJacopo Mondi .ycbcr_enc = V4L2_MAP_YCBCR_ENC_DEFAULT(V4L2_COLORSPACE_SRGB), 54190b0f355SJacopo Mondi .quantization = V4L2_QUANTIZATION_FULL_RANGE, 54290b0f355SJacopo Mondi .xfer_func = V4L2_MAP_XFER_FUNC_DEFAULT(V4L2_COLORSPACE_SRGB), 54390b0f355SJacopo Mondi .field = V4L2_FIELD_NONE, 54490b0f355SJacopo Mondi }; 54590b0f355SJacopo Mondi 546e4359019SJacopo Mondi static const struct reg_value ov5640_init_setting[] = { 547*decea0a9SJai Luthra {0x3103, 0x11, 0, 0}, 548576f5d4bSLad Prabhakar {0x3103, 0x03, 0, 0}, {0x3630, 0x36, 0, 0}, 54919a81c14SSteve Longerbeam {0x3631, 0x0e, 0, 0}, {0x3632, 0xe2, 0, 0}, {0x3633, 0x12, 0, 0}, 55019a81c14SSteve Longerbeam {0x3621, 0xe0, 0, 0}, {0x3704, 0xa0, 0, 0}, {0x3703, 0x5a, 0, 0}, 55119a81c14SSteve Longerbeam {0x3715, 0x78, 0, 0}, {0x3717, 0x01, 0, 0}, {0x370b, 0x60, 0, 0}, 55219a81c14SSteve Longerbeam {0x3705, 0x1a, 0, 0}, {0x3905, 0x02, 0, 0}, {0x3906, 0x10, 0, 0}, 55319a81c14SSteve Longerbeam {0x3901, 0x0a, 0, 0}, {0x3731, 0x12, 0, 0}, {0x3600, 0x08, 0, 0}, 55419a81c14SSteve Longerbeam {0x3601, 0x33, 0, 0}, {0x302d, 0x60, 0, 0}, {0x3620, 0x52, 0, 0}, 55519a81c14SSteve Longerbeam {0x371b, 0x20, 0, 0}, {0x471c, 0x50, 0, 0}, {0x3a13, 0x43, 0, 0}, 55619a81c14SSteve Longerbeam {0x3a18, 0x00, 0, 0}, {0x3a19, 0xf8, 0, 0}, {0x3635, 0x13, 0, 0}, 55719a81c14SSteve Longerbeam {0x3636, 0x03, 0, 0}, {0x3634, 0x40, 0, 0}, {0x3622, 0x01, 0, 0}, 55819a81c14SSteve Longerbeam {0x3c01, 0xa4, 0, 0}, {0x3c04, 0x28, 0, 0}, {0x3c05, 0x98, 0, 0}, 55919a81c14SSteve Longerbeam {0x3c06, 0x00, 0, 0}, {0x3c07, 0x08, 0, 0}, {0x3c08, 0x00, 0, 0}, 56019a81c14SSteve Longerbeam {0x3c09, 0x1c, 0, 0}, {0x3c0a, 0x9c, 0, 0}, {0x3c0b, 0x40, 0, 0}, 56119a81c14SSteve Longerbeam {0x3820, 0x41, 0, 0}, {0x3821, 0x07, 0, 0}, {0x3814, 0x31, 0, 0}, 5623145efcdSJacopo Mondi {0x3815, 0x31, 0, 0}, 56319a81c14SSteve Longerbeam {0x3618, 0x00, 0, 0}, {0x3612, 0x29, 0, 0}, {0x3708, 0x64, 0, 0}, 56419a81c14SSteve Longerbeam {0x3709, 0x52, 0, 0}, {0x370c, 0x03, 0, 0}, {0x3a02, 0x03, 0, 0}, 56519a81c14SSteve Longerbeam {0x3a03, 0xd8, 0, 0}, {0x3a08, 0x01, 0, 0}, {0x3a09, 0x27, 0, 0}, 56619a81c14SSteve Longerbeam {0x3a0a, 0x00, 0, 0}, {0x3a0b, 0xf6, 0, 0}, {0x3a0e, 0x03, 0, 0}, 56719a81c14SSteve Longerbeam {0x3a0d, 0x04, 0, 0}, {0x3a14, 0x03, 0, 0}, {0x3a15, 0xd8, 0, 0}, 56819a81c14SSteve Longerbeam {0x4001, 0x02, 0, 0}, {0x4004, 0x02, 0, 0}, {0x3000, 0x00, 0, 0}, 56919a81c14SSteve Longerbeam {0x3002, 0x1c, 0, 0}, {0x3004, 0xff, 0, 0}, {0x3006, 0xc3, 0, 0}, 570aa4bb8b8SJacopo Mondi {0x302e, 0x08, 0, 0}, {0x4300, 0x3f, 0, 0}, 5712b5c18f9SChen-Yu Tsai {0x501f, 0x00, 0, 0}, {0x4407, 0x04, 0, 0}, 57219a81c14SSteve Longerbeam {0x440e, 0x00, 0, 0}, {0x460b, 0x35, 0, 0}, {0x460c, 0x22, 0, 0}, 573aa4bb8b8SJacopo Mondi {0x4837, 0x0a, 0, 0}, {0x3824, 0x02, 0, 0}, 57419a81c14SSteve Longerbeam {0x5000, 0xa7, 0, 0}, {0x5001, 0xa3, 0, 0}, {0x5180, 0xff, 0, 0}, 57519a81c14SSteve Longerbeam {0x5181, 0xf2, 0, 0}, {0x5182, 0x00, 0, 0}, {0x5183, 0x14, 0, 0}, 57619a81c14SSteve Longerbeam {0x5184, 0x25, 0, 0}, {0x5185, 0x24, 0, 0}, {0x5186, 0x09, 0, 0}, 57719a81c14SSteve Longerbeam {0x5187, 0x09, 0, 0}, {0x5188, 0x09, 0, 0}, {0x5189, 0x88, 0, 0}, 57819a81c14SSteve Longerbeam {0x518a, 0x54, 0, 0}, {0x518b, 0xee, 0, 0}, {0x518c, 0xb2, 0, 0}, 57919a81c14SSteve Longerbeam {0x518d, 0x50, 0, 0}, {0x518e, 0x34, 0, 0}, {0x518f, 0x6b, 0, 0}, 58019a81c14SSteve Longerbeam {0x5190, 0x46, 0, 0}, {0x5191, 0xf8, 0, 0}, {0x5192, 0x04, 0, 0}, 58119a81c14SSteve Longerbeam {0x5193, 0x70, 0, 0}, {0x5194, 0xf0, 0, 0}, {0x5195, 0xf0, 0, 0}, 58219a81c14SSteve Longerbeam {0x5196, 0x03, 0, 0}, {0x5197, 0x01, 0, 0}, {0x5198, 0x04, 0, 0}, 58319a81c14SSteve Longerbeam {0x5199, 0x6c, 0, 0}, {0x519a, 0x04, 0, 0}, {0x519b, 0x00, 0, 0}, 58419a81c14SSteve Longerbeam {0x519c, 0x09, 0, 0}, {0x519d, 0x2b, 0, 0}, {0x519e, 0x38, 0, 0}, 58519a81c14SSteve Longerbeam {0x5381, 0x1e, 0, 0}, {0x5382, 0x5b, 0, 0}, {0x5383, 0x08, 0, 0}, 58619a81c14SSteve Longerbeam {0x5384, 0x0a, 0, 0}, {0x5385, 0x7e, 0, 0}, {0x5386, 0x88, 0, 0}, 58719a81c14SSteve Longerbeam {0x5387, 0x7c, 0, 0}, {0x5388, 0x6c, 0, 0}, {0x5389, 0x10, 0, 0}, 58819a81c14SSteve Longerbeam {0x538a, 0x01, 0, 0}, {0x538b, 0x98, 0, 0}, {0x5300, 0x08, 0, 0}, 58919a81c14SSteve Longerbeam {0x5301, 0x30, 0, 0}, {0x5302, 0x10, 0, 0}, {0x5303, 0x00, 0, 0}, 59019a81c14SSteve Longerbeam {0x5304, 0x08, 0, 0}, {0x5305, 0x30, 0, 0}, {0x5306, 0x08, 0, 0}, 59119a81c14SSteve Longerbeam {0x5307, 0x16, 0, 0}, {0x5309, 0x08, 0, 0}, {0x530a, 0x30, 0, 0}, 59219a81c14SSteve Longerbeam {0x530b, 0x04, 0, 0}, {0x530c, 0x06, 0, 0}, {0x5480, 0x01, 0, 0}, 59319a81c14SSteve Longerbeam {0x5481, 0x08, 0, 0}, {0x5482, 0x14, 0, 0}, {0x5483, 0x28, 0, 0}, 59419a81c14SSteve Longerbeam {0x5484, 0x51, 0, 0}, {0x5485, 0x65, 0, 0}, {0x5486, 0x71, 0, 0}, 59519a81c14SSteve Longerbeam {0x5487, 0x7d, 0, 0}, {0x5488, 0x87, 0, 0}, {0x5489, 0x91, 0, 0}, 59619a81c14SSteve Longerbeam {0x548a, 0x9a, 0, 0}, {0x548b, 0xaa, 0, 0}, {0x548c, 0xb8, 0, 0}, 59719a81c14SSteve Longerbeam {0x548d, 0xcd, 0, 0}, {0x548e, 0xdd, 0, 0}, {0x548f, 0xea, 0, 0}, 59819a81c14SSteve Longerbeam {0x5490, 0x1d, 0, 0}, {0x5580, 0x02, 0, 0}, {0x5583, 0x40, 0, 0}, 59919a81c14SSteve Longerbeam {0x5584, 0x10, 0, 0}, {0x5589, 0x10, 0, 0}, {0x558a, 0x00, 0, 0}, 60019a81c14SSteve Longerbeam {0x558b, 0xf8, 0, 0}, {0x5800, 0x23, 0, 0}, {0x5801, 0x14, 0, 0}, 60119a81c14SSteve Longerbeam {0x5802, 0x0f, 0, 0}, {0x5803, 0x0f, 0, 0}, {0x5804, 0x12, 0, 0}, 60219a81c14SSteve Longerbeam {0x5805, 0x26, 0, 0}, {0x5806, 0x0c, 0, 0}, {0x5807, 0x08, 0, 0}, 60319a81c14SSteve Longerbeam {0x5808, 0x05, 0, 0}, {0x5809, 0x05, 0, 0}, {0x580a, 0x08, 0, 0}, 60419a81c14SSteve Longerbeam {0x580b, 0x0d, 0, 0}, {0x580c, 0x08, 0, 0}, {0x580d, 0x03, 0, 0}, 60519a81c14SSteve Longerbeam {0x580e, 0x00, 0, 0}, {0x580f, 0x00, 0, 0}, {0x5810, 0x03, 0, 0}, 60619a81c14SSteve Longerbeam {0x5811, 0x09, 0, 0}, {0x5812, 0x07, 0, 0}, {0x5813, 0x03, 0, 0}, 60719a81c14SSteve Longerbeam {0x5814, 0x00, 0, 0}, {0x5815, 0x01, 0, 0}, {0x5816, 0x03, 0, 0}, 60819a81c14SSteve Longerbeam {0x5817, 0x08, 0, 0}, {0x5818, 0x0d, 0, 0}, {0x5819, 0x08, 0, 0}, 60919a81c14SSteve Longerbeam {0x581a, 0x05, 0, 0}, {0x581b, 0x06, 0, 0}, {0x581c, 0x08, 0, 0}, 61019a81c14SSteve Longerbeam {0x581d, 0x0e, 0, 0}, {0x581e, 0x29, 0, 0}, {0x581f, 0x17, 0, 0}, 61119a81c14SSteve Longerbeam {0x5820, 0x11, 0, 0}, {0x5821, 0x11, 0, 0}, {0x5822, 0x15, 0, 0}, 61219a81c14SSteve Longerbeam {0x5823, 0x28, 0, 0}, {0x5824, 0x46, 0, 0}, {0x5825, 0x26, 0, 0}, 61319a81c14SSteve Longerbeam {0x5826, 0x08, 0, 0}, {0x5827, 0x26, 0, 0}, {0x5828, 0x64, 0, 0}, 61419a81c14SSteve Longerbeam {0x5829, 0x26, 0, 0}, {0x582a, 0x24, 0, 0}, {0x582b, 0x22, 0, 0}, 61519a81c14SSteve Longerbeam {0x582c, 0x24, 0, 0}, {0x582d, 0x24, 0, 0}, {0x582e, 0x06, 0, 0}, 61619a81c14SSteve Longerbeam {0x582f, 0x22, 0, 0}, {0x5830, 0x40, 0, 0}, {0x5831, 0x42, 0, 0}, 61719a81c14SSteve Longerbeam {0x5832, 0x24, 0, 0}, {0x5833, 0x26, 0, 0}, {0x5834, 0x24, 0, 0}, 61819a81c14SSteve Longerbeam {0x5835, 0x22, 0, 0}, {0x5836, 0x22, 0, 0}, {0x5837, 0x26, 0, 0}, 61919a81c14SSteve Longerbeam {0x5838, 0x44, 0, 0}, {0x5839, 0x24, 0, 0}, {0x583a, 0x26, 0, 0}, 62019a81c14SSteve Longerbeam {0x583b, 0x28, 0, 0}, {0x583c, 0x42, 0, 0}, {0x583d, 0xce, 0, 0}, 62119a81c14SSteve Longerbeam {0x5025, 0x00, 0, 0}, {0x3a0f, 0x30, 0, 0}, {0x3a10, 0x28, 0, 0}, 62219a81c14SSteve Longerbeam {0x3a1b, 0x30, 0, 0}, {0x3a1e, 0x26, 0, 0}, {0x3a11, 0x60, 0, 0}, 62319a81c14SSteve Longerbeam {0x3a1f, 0x14, 0, 0}, {0x3008, 0x02, 0, 0}, {0x3c00, 0x04, 0, 300}, 62419a81c14SSteve Longerbeam }; 62519a81c14SSteve Longerbeam 626db15c195SJacopo Mondi static const struct reg_value ov5640_setting_low_res[] = { 627c14d107eSMaxime Ripard {0x3c07, 0x08, 0, 0}, 62819a81c14SSteve Longerbeam {0x3c09, 0x1c, 0, 0}, {0x3c0a, 0x9c, 0, 0}, {0x3c0b, 0x40, 0, 0}, 629ce85705aSHugues Fruchet {0x3814, 0x31, 0, 0}, 6303145efcdSJacopo Mondi {0x3815, 0x31, 0, 0}, 63119a81c14SSteve Longerbeam {0x3618, 0x00, 0, 0}, {0x3612, 0x29, 0, 0}, {0x3708, 0x64, 0, 0}, 63219a81c14SSteve Longerbeam {0x3709, 0x52, 0, 0}, {0x370c, 0x03, 0, 0}, {0x3a02, 0x03, 0, 0}, 63319a81c14SSteve Longerbeam {0x3a03, 0xd8, 0, 0}, {0x3a08, 0x01, 0, 0}, {0x3a09, 0x27, 0, 0}, 63419a81c14SSteve Longerbeam {0x3a0a, 0x00, 0, 0}, {0x3a0b, 0xf6, 0, 0}, {0x3a0e, 0x03, 0, 0}, 63519a81c14SSteve Longerbeam {0x3a0d, 0x04, 0, 0}, {0x3a14, 0x03, 0, 0}, {0x3a15, 0xd8, 0, 0}, 6362b5c18f9SChen-Yu Tsai {0x4001, 0x02, 0, 0}, {0x4004, 0x02, 0, 0}, 637e15197bdSJacopo Mondi {0x4407, 0x04, 0, 0}, {0x5001, 0xa3, 0, 0}, 63819a81c14SSteve Longerbeam }; 63919a81c14SSteve Longerbeam 640086c25f8SMaxime Ripard static const struct reg_value ov5640_setting_720P_1280_720[] = { 641c14d107eSMaxime Ripard {0x3c07, 0x07, 0, 0}, 64219a81c14SSteve Longerbeam {0x3c09, 0x1c, 0, 0}, {0x3c0a, 0x9c, 0, 0}, {0x3c0b, 0x40, 0, 0}, 643ce85705aSHugues Fruchet {0x3814, 0x31, 0, 0}, 6443145efcdSJacopo Mondi {0x3815, 0x31, 0, 0}, 64519a81c14SSteve Longerbeam {0x3618, 0x00, 0, 0}, {0x3612, 0x29, 0, 0}, {0x3708, 0x64, 0, 0}, 64619a81c14SSteve Longerbeam {0x3709, 0x52, 0, 0}, {0x370c, 0x03, 0, 0}, {0x3a02, 0x02, 0, 0}, 64719a81c14SSteve Longerbeam {0x3a03, 0xe4, 0, 0}, {0x3a08, 0x01, 0, 0}, {0x3a09, 0xbc, 0, 0}, 64819a81c14SSteve Longerbeam {0x3a0a, 0x01, 0, 0}, {0x3a0b, 0x72, 0, 0}, {0x3a0e, 0x01, 0, 0}, 64919a81c14SSteve Longerbeam {0x3a0d, 0x02, 0, 0}, {0x3a14, 0x02, 0, 0}, {0x3a15, 0xe4, 0, 0}, 6502b5c18f9SChen-Yu Tsai {0x4001, 0x02, 0, 0}, {0x4004, 0x02, 0, 0}, 65119a81c14SSteve Longerbeam {0x4407, 0x04, 0, 0}, {0x460b, 0x37, 0, 0}, {0x460c, 0x20, 0, 0}, 65219a81c14SSteve Longerbeam {0x3824, 0x04, 0, 0}, {0x5001, 0x83, 0, 0}, 65319a81c14SSteve Longerbeam }; 65419a81c14SSteve Longerbeam 655086c25f8SMaxime Ripard static const struct reg_value ov5640_setting_1080P_1920_1080[] = { 656c14d107eSMaxime Ripard {0x3c07, 0x08, 0, 0}, 65719a81c14SSteve Longerbeam {0x3c09, 0x1c, 0, 0}, {0x3c0a, 0x9c, 0, 0}, {0x3c0b, 0x40, 0, 0}, 658ce85705aSHugues Fruchet {0x3814, 0x11, 0, 0}, 6593145efcdSJacopo Mondi {0x3815, 0x11, 0, 0}, 66019a81c14SSteve Longerbeam {0x3618, 0x04, 0, 0}, {0x3612, 0x29, 0, 0}, {0x3708, 0x21, 0, 0}, 66119a81c14SSteve Longerbeam {0x3709, 0x12, 0, 0}, {0x370c, 0x00, 0, 0}, {0x3a02, 0x03, 0, 0}, 66219a81c14SSteve Longerbeam {0x3a03, 0xd8, 0, 0}, {0x3a08, 0x01, 0, 0}, {0x3a09, 0x27, 0, 0}, 66319a81c14SSteve Longerbeam {0x3a0a, 0x00, 0, 0}, {0x3a0b, 0xf6, 0, 0}, {0x3a0e, 0x03, 0, 0}, 66419a81c14SSteve Longerbeam {0x3a0d, 0x04, 0, 0}, {0x3a14, 0x03, 0, 0}, {0x3a15, 0xd8, 0, 0}, 6652b5c18f9SChen-Yu Tsai {0x4001, 0x02, 0, 0}, {0x4004, 0x06, 0, 0}, 66619a81c14SSteve Longerbeam {0x4407, 0x04, 0, 0}, {0x460b, 0x35, 0, 0}, {0x460c, 0x22, 0, 0}, 667c14d107eSMaxime Ripard {0x3824, 0x02, 0, 0}, {0x5001, 0x83, 0, 0}, 668c14d107eSMaxime Ripard {0x3c07, 0x07, 0, 0}, {0x3c08, 0x00, 0, 0}, 66919a81c14SSteve Longerbeam {0x3c09, 0x1c, 0, 0}, {0x3c0a, 0x9c, 0, 0}, {0x3c0b, 0x40, 0, 0}, 670476dec01SMaxime Ripard {0x3612, 0x2b, 0, 0}, {0x3708, 0x64, 0, 0}, 67119a81c14SSteve Longerbeam {0x3a02, 0x04, 0, 0}, {0x3a03, 0x60, 0, 0}, {0x3a08, 0x01, 0, 0}, 67219a81c14SSteve Longerbeam {0x3a09, 0x50, 0, 0}, {0x3a0a, 0x01, 0, 0}, {0x3a0b, 0x18, 0, 0}, 67319a81c14SSteve Longerbeam {0x3a0e, 0x03, 0, 0}, {0x3a0d, 0x04, 0, 0}, {0x3a14, 0x04, 0, 0}, 6742b5c18f9SChen-Yu Tsai {0x3a15, 0x60, 0, 0}, {0x4407, 0x04, 0, 0}, 67519a81c14SSteve Longerbeam {0x460b, 0x37, 0, 0}, {0x460c, 0x20, 0, 0}, {0x3824, 0x04, 0, 0}, 67692b9096cSBenoit Parrot {0x4005, 0x1a, 0, 0}, 67719a81c14SSteve Longerbeam }; 67819a81c14SSteve Longerbeam 679086c25f8SMaxime Ripard static const struct reg_value ov5640_setting_QSXGA_2592_1944[] = { 680c14d107eSMaxime Ripard {0x3c07, 0x08, 0, 0}, 68119a81c14SSteve Longerbeam {0x3c09, 0x1c, 0, 0}, {0x3c0a, 0x9c, 0, 0}, {0x3c0b, 0x40, 0, 0}, 682ce85705aSHugues Fruchet {0x3814, 0x11, 0, 0}, 6833145efcdSJacopo Mondi {0x3815, 0x11, 0, 0}, 68419a81c14SSteve Longerbeam {0x3618, 0x04, 0, 0}, {0x3612, 0x29, 0, 0}, {0x3708, 0x21, 0, 0}, 68519a81c14SSteve Longerbeam {0x3709, 0x12, 0, 0}, {0x370c, 0x00, 0, 0}, {0x3a02, 0x03, 0, 0}, 68619a81c14SSteve Longerbeam {0x3a03, 0xd8, 0, 0}, {0x3a08, 0x01, 0, 0}, {0x3a09, 0x27, 0, 0}, 68719a81c14SSteve Longerbeam {0x3a0a, 0x00, 0, 0}, {0x3a0b, 0xf6, 0, 0}, {0x3a0e, 0x03, 0, 0}, 68819a81c14SSteve Longerbeam {0x3a0d, 0x04, 0, 0}, {0x3a14, 0x03, 0, 0}, {0x3a15, 0xd8, 0, 0}, 6892b5c18f9SChen-Yu Tsai {0x4001, 0x02, 0, 0}, {0x4004, 0x06, 0, 0}, 69019a81c14SSteve Longerbeam {0x4407, 0x04, 0, 0}, {0x460b, 0x35, 0, 0}, {0x460c, 0x22, 0, 0}, 69119a81c14SSteve Longerbeam {0x3824, 0x02, 0, 0}, {0x5001, 0x83, 0, 70}, 69219a81c14SSteve Longerbeam }; 69319a81c14SSteve Longerbeam 6945113d5b3SJacopo Mondi static const struct ov5640_mode_info ov5640_mode_data[OV5640_NUM_MODES] = { 6958409d017SJacopo Mondi { 6968409d017SJacopo Mondi /* 160x120 */ 6973145efcdSJacopo Mondi .id = OV5640_MODE_QQVGA_160_120, 6983145efcdSJacopo Mondi .dn_mode = SUBSAMPLING, 6993145efcdSJacopo Mondi .pixel_rate = OV5640_PIXEL_RATE_48M, 7005113d5b3SJacopo Mondi .width = 160, 7015113d5b3SJacopo Mondi .height = 120, 7025113d5b3SJacopo Mondi .dvp_timings = { 7033145efcdSJacopo Mondi .analog_crop = { 7043145efcdSJacopo Mondi .left = 0, 7053145efcdSJacopo Mondi .top = 4, 7063145efcdSJacopo Mondi .width = 2624, 7073145efcdSJacopo Mondi .height = 1944, 7083145efcdSJacopo Mondi }, 7093145efcdSJacopo Mondi .crop = { 7103145efcdSJacopo Mondi .left = 16, 7113145efcdSJacopo Mondi .top = 6, 7123145efcdSJacopo Mondi .width = 160, 7133145efcdSJacopo Mondi .height = 120, 7143145efcdSJacopo Mondi }, 7153145efcdSJacopo Mondi .htot = 1896, 7163145efcdSJacopo Mondi .vblank_def = 864, 7175113d5b3SJacopo Mondi }, 7185113d5b3SJacopo Mondi .csi2_timings = { 7195113d5b3SJacopo Mondi /* Feed the full valid pixel array to the ISP. */ 7205113d5b3SJacopo Mondi .analog_crop = { 7215113d5b3SJacopo Mondi .left = OV5640_PIXEL_ARRAY_LEFT, 7225113d5b3SJacopo Mondi .top = OV5640_PIXEL_ARRAY_TOP, 7235113d5b3SJacopo Mondi .width = OV5640_PIXEL_ARRAY_WIDTH, 7245113d5b3SJacopo Mondi .height = OV5640_PIXEL_ARRAY_HEIGHT, 7255113d5b3SJacopo Mondi }, 7265113d5b3SJacopo Mondi /* Maintain a minimum processing margin. */ 7275113d5b3SJacopo Mondi .crop = { 7285113d5b3SJacopo Mondi .left = 2, 7295113d5b3SJacopo Mondi .top = 4, 7305113d5b3SJacopo Mondi .width = 160, 7315113d5b3SJacopo Mondi .height = 120, 7325113d5b3SJacopo Mondi }, 733961bed9fSJacopo Mondi .htot = 1600, 734961bed9fSJacopo Mondi .vblank_def = 878, 7355113d5b3SJacopo Mondi }, 736db15c195SJacopo Mondi .reg_data = ov5640_setting_low_res, 737db15c195SJacopo Mondi .reg_data_size = ARRAY_SIZE(ov5640_setting_low_res), 73819f2e3e6SHugues Fruchet .max_fps = OV5640_30_FPS, 73919f2e3e6SHugues Fruchet .def_fps = OV5640_30_FPS 7408409d017SJacopo Mondi }, { 7418409d017SJacopo Mondi /* 176x144 */ 7423145efcdSJacopo Mondi .id = OV5640_MODE_QCIF_176_144, 7433145efcdSJacopo Mondi .dn_mode = SUBSAMPLING, 7443145efcdSJacopo Mondi .pixel_rate = OV5640_PIXEL_RATE_48M, 7455113d5b3SJacopo Mondi .width = 176, 7465113d5b3SJacopo Mondi .height = 144, 7475113d5b3SJacopo Mondi .dvp_timings = { 7483145efcdSJacopo Mondi .analog_crop = { 7493145efcdSJacopo Mondi .left = 0, 7503145efcdSJacopo Mondi .top = 4, 7513145efcdSJacopo Mondi .width = 2624, 7523145efcdSJacopo Mondi .height = 1944, 7533145efcdSJacopo Mondi }, 7543145efcdSJacopo Mondi .crop = { 7553145efcdSJacopo Mondi .left = 16, 7563145efcdSJacopo Mondi .top = 6, 7573145efcdSJacopo Mondi .width = 176, 7583145efcdSJacopo Mondi .height = 144, 7593145efcdSJacopo Mondi }, 7603145efcdSJacopo Mondi .htot = 1896, 7613145efcdSJacopo Mondi .vblank_def = 840, 7625113d5b3SJacopo Mondi }, 7635113d5b3SJacopo Mondi .csi2_timings = { 7645113d5b3SJacopo Mondi /* Feed the full valid pixel array to the ISP. */ 7655113d5b3SJacopo Mondi .analog_crop = { 7665113d5b3SJacopo Mondi .left = OV5640_PIXEL_ARRAY_LEFT, 7675113d5b3SJacopo Mondi .top = OV5640_PIXEL_ARRAY_TOP, 7685113d5b3SJacopo Mondi .width = OV5640_PIXEL_ARRAY_WIDTH, 7695113d5b3SJacopo Mondi .height = OV5640_PIXEL_ARRAY_HEIGHT, 7705113d5b3SJacopo Mondi }, 7715113d5b3SJacopo Mondi /* Maintain a minimum processing margin. */ 7725113d5b3SJacopo Mondi .crop = { 7735113d5b3SJacopo Mondi .left = 2, 7745113d5b3SJacopo Mondi .top = 4, 7755113d5b3SJacopo Mondi .width = 176, 7765113d5b3SJacopo Mondi .height = 144, 7775113d5b3SJacopo Mondi }, 778961bed9fSJacopo Mondi .htot = 1600, 779961bed9fSJacopo Mondi .vblank_def = 854, 7805113d5b3SJacopo Mondi }, 781db15c195SJacopo Mondi .reg_data = ov5640_setting_low_res, 782db15c195SJacopo Mondi .reg_data_size = ARRAY_SIZE(ov5640_setting_low_res), 78319f2e3e6SHugues Fruchet .max_fps = OV5640_30_FPS, 78419f2e3e6SHugues Fruchet .def_fps = OV5640_30_FPS 7858409d017SJacopo Mondi }, { 7868409d017SJacopo Mondi /* 320x240 */ 7873145efcdSJacopo Mondi .id = OV5640_MODE_QVGA_320_240, 7883145efcdSJacopo Mondi .dn_mode = SUBSAMPLING, 7895113d5b3SJacopo Mondi .width = 320, 7905113d5b3SJacopo Mondi .height = 240, 7913145efcdSJacopo Mondi .pixel_rate = OV5640_PIXEL_RATE_48M, 7925113d5b3SJacopo Mondi .dvp_timings = { 7933145efcdSJacopo Mondi .analog_crop = { 7943145efcdSJacopo Mondi .left = 0, 7953145efcdSJacopo Mondi .top = 4, 7963145efcdSJacopo Mondi .width = 2624, 7973145efcdSJacopo Mondi .height = 1944, 7983145efcdSJacopo Mondi }, 7993145efcdSJacopo Mondi .crop = { 8003145efcdSJacopo Mondi .left = 16, 8013145efcdSJacopo Mondi .top = 6, 8023145efcdSJacopo Mondi .width = 320, 8033145efcdSJacopo Mondi .height = 240, 8043145efcdSJacopo Mondi }, 8053145efcdSJacopo Mondi .htot = 1896, 8063145efcdSJacopo Mondi .vblank_def = 744, 8075113d5b3SJacopo Mondi }, 8085113d5b3SJacopo Mondi .csi2_timings = { 8095113d5b3SJacopo Mondi /* Feed the full valid pixel array to the ISP. */ 8105113d5b3SJacopo Mondi .analog_crop = { 8115113d5b3SJacopo Mondi .left = OV5640_PIXEL_ARRAY_LEFT, 8125113d5b3SJacopo Mondi .top = OV5640_PIXEL_ARRAY_TOP, 8135113d5b3SJacopo Mondi .width = OV5640_PIXEL_ARRAY_WIDTH, 8145113d5b3SJacopo Mondi .height = OV5640_PIXEL_ARRAY_HEIGHT, 8155113d5b3SJacopo Mondi }, 8165113d5b3SJacopo Mondi /* Maintain a minimum processing margin. */ 8175113d5b3SJacopo Mondi .crop = { 8185113d5b3SJacopo Mondi .left = 2, 8195113d5b3SJacopo Mondi .top = 4, 8205113d5b3SJacopo Mondi .width = 320, 8215113d5b3SJacopo Mondi .height = 240, 8225113d5b3SJacopo Mondi }, 823961bed9fSJacopo Mondi .htot = 1600, 824961bed9fSJacopo Mondi .vblank_def = 760, 8255113d5b3SJacopo Mondi }, 826db15c195SJacopo Mondi .reg_data = ov5640_setting_low_res, 827db15c195SJacopo Mondi .reg_data_size = ARRAY_SIZE(ov5640_setting_low_res), 82819f2e3e6SHugues Fruchet .max_fps = OV5640_30_FPS, 82919f2e3e6SHugues Fruchet .def_fps = OV5640_30_FPS 8308409d017SJacopo Mondi }, { 8318409d017SJacopo Mondi /* 640x480 */ 8323145efcdSJacopo Mondi .id = OV5640_MODE_VGA_640_480, 8333145efcdSJacopo Mondi .dn_mode = SUBSAMPLING, 8343145efcdSJacopo Mondi .pixel_rate = OV5640_PIXEL_RATE_48M, 8355113d5b3SJacopo Mondi .width = 640, 8365113d5b3SJacopo Mondi .height = 480, 8375113d5b3SJacopo Mondi .dvp_timings = { 8383145efcdSJacopo Mondi .analog_crop = { 8393145efcdSJacopo Mondi .left = 0, 8403145efcdSJacopo Mondi .top = 4, 8413145efcdSJacopo Mondi .width = 2624, 8423145efcdSJacopo Mondi .height = 1944, 8433145efcdSJacopo Mondi }, 8443145efcdSJacopo Mondi .crop = { 8453145efcdSJacopo Mondi .left = 16, 8463145efcdSJacopo Mondi .top = 6, 8473145efcdSJacopo Mondi .width = 640, 8483145efcdSJacopo Mondi .height = 480, 8493145efcdSJacopo Mondi }, 8503145efcdSJacopo Mondi .htot = 1896, 8513145efcdSJacopo Mondi .vblank_def = 600, 8525113d5b3SJacopo Mondi }, 8535113d5b3SJacopo Mondi .csi2_timings = { 8545113d5b3SJacopo Mondi /* Feed the full valid pixel array to the ISP. */ 8555113d5b3SJacopo Mondi .analog_crop = { 8565113d5b3SJacopo Mondi .left = OV5640_PIXEL_ARRAY_LEFT, 8575113d5b3SJacopo Mondi .top = OV5640_PIXEL_ARRAY_TOP, 8585113d5b3SJacopo Mondi .width = OV5640_PIXEL_ARRAY_WIDTH, 8595113d5b3SJacopo Mondi .height = OV5640_PIXEL_ARRAY_HEIGHT, 8605113d5b3SJacopo Mondi }, 8615113d5b3SJacopo Mondi /* Maintain a minimum processing margin. */ 8625113d5b3SJacopo Mondi .crop = { 8635113d5b3SJacopo Mondi .left = 2, 8645113d5b3SJacopo Mondi .top = 4, 8655113d5b3SJacopo Mondi .width = 640, 8665113d5b3SJacopo Mondi .height = 480, 8675113d5b3SJacopo Mondi }, 868961bed9fSJacopo Mondi .htot = 1600, 869961bed9fSJacopo Mondi .vblank_def = 520, 8705113d5b3SJacopo Mondi }, 871db15c195SJacopo Mondi .reg_data = ov5640_setting_low_res, 872db15c195SJacopo Mondi .reg_data_size = ARRAY_SIZE(ov5640_setting_low_res), 87319f2e3e6SHugues Fruchet .max_fps = OV5640_60_FPS, 87419f2e3e6SHugues Fruchet .def_fps = OV5640_30_FPS 8758409d017SJacopo Mondi }, { 8768409d017SJacopo Mondi /* 720x480 */ 8773145efcdSJacopo Mondi .id = OV5640_MODE_NTSC_720_480, 8783145efcdSJacopo Mondi .dn_mode = SUBSAMPLING, 8795113d5b3SJacopo Mondi .width = 720, 8805113d5b3SJacopo Mondi .height = 480, 8813145efcdSJacopo Mondi .pixel_rate = OV5640_PIXEL_RATE_96M, 8825113d5b3SJacopo Mondi .dvp_timings = { 8833145efcdSJacopo Mondi .analog_crop = { 8843145efcdSJacopo Mondi .left = 0, 8853145efcdSJacopo Mondi .top = 4, 8863145efcdSJacopo Mondi .width = 2624, 8873145efcdSJacopo Mondi .height = 1944, 8883145efcdSJacopo Mondi }, 8893145efcdSJacopo Mondi .crop = { 890e74ef55bSJacopo Mondi .left = 56, 8913145efcdSJacopo Mondi .top = 60, 8923145efcdSJacopo Mondi .width = 720, 8933145efcdSJacopo Mondi .height = 480, 8943145efcdSJacopo Mondi }, 8953145efcdSJacopo Mondi .htot = 1896, 8963145efcdSJacopo Mondi .vblank_def = 504, 8975113d5b3SJacopo Mondi }, 8985113d5b3SJacopo Mondi .csi2_timings = { 8995113d5b3SJacopo Mondi /* Feed the full valid pixel array to the ISP. */ 9005113d5b3SJacopo Mondi .analog_crop = { 9015113d5b3SJacopo Mondi .left = OV5640_PIXEL_ARRAY_LEFT, 9025113d5b3SJacopo Mondi .top = OV5640_PIXEL_ARRAY_TOP, 9035113d5b3SJacopo Mondi .width = OV5640_PIXEL_ARRAY_WIDTH, 9045113d5b3SJacopo Mondi .height = OV5640_PIXEL_ARRAY_HEIGHT, 9055113d5b3SJacopo Mondi }, 9065113d5b3SJacopo Mondi .crop = { 9075113d5b3SJacopo Mondi .left = 56, 9085113d5b3SJacopo Mondi .top = 60, 9095113d5b3SJacopo Mondi .width = 720, 9105113d5b3SJacopo Mondi .height = 480, 9115113d5b3SJacopo Mondi }, 9125113d5b3SJacopo Mondi .htot = 1896, 913961bed9fSJacopo Mondi .vblank_def = 1206, 9145113d5b3SJacopo Mondi }, 915db15c195SJacopo Mondi .reg_data = ov5640_setting_low_res, 916db15c195SJacopo Mondi .reg_data_size = ARRAY_SIZE(ov5640_setting_low_res), 91719f2e3e6SHugues Fruchet .max_fps = OV5640_30_FPS, 91819f2e3e6SHugues Fruchet .def_fps = OV5640_30_FPS 9198409d017SJacopo Mondi }, { 9208409d017SJacopo Mondi /* 720x576 */ 9213145efcdSJacopo Mondi .id = OV5640_MODE_PAL_720_576, 9223145efcdSJacopo Mondi .dn_mode = SUBSAMPLING, 9235113d5b3SJacopo Mondi .width = 720, 9245113d5b3SJacopo Mondi .height = 576, 9253145efcdSJacopo Mondi .pixel_rate = OV5640_PIXEL_RATE_96M, 9265113d5b3SJacopo Mondi .dvp_timings = { 9273145efcdSJacopo Mondi .analog_crop = { 9283145efcdSJacopo Mondi .left = 0, 9293145efcdSJacopo Mondi .top = 4, 9303145efcdSJacopo Mondi .width = 2624, 9313145efcdSJacopo Mondi .height = 1944, 9323145efcdSJacopo Mondi }, 9333145efcdSJacopo Mondi .crop = { 9343145efcdSJacopo Mondi .left = 56, 9353145efcdSJacopo Mondi .top = 6, 9363145efcdSJacopo Mondi .width = 720, 9373145efcdSJacopo Mondi .height = 576, 9383145efcdSJacopo Mondi }, 9393145efcdSJacopo Mondi .htot = 1896, 9403145efcdSJacopo Mondi .vblank_def = 408, 9415113d5b3SJacopo Mondi }, 9425113d5b3SJacopo Mondi .csi2_timings = { 9435113d5b3SJacopo Mondi /* Feed the full valid pixel array to the ISP. */ 9445113d5b3SJacopo Mondi .analog_crop = { 9455113d5b3SJacopo Mondi .left = OV5640_PIXEL_ARRAY_LEFT, 9465113d5b3SJacopo Mondi .top = OV5640_PIXEL_ARRAY_TOP, 9475113d5b3SJacopo Mondi .width = OV5640_PIXEL_ARRAY_WIDTH, 9485113d5b3SJacopo Mondi .height = OV5640_PIXEL_ARRAY_HEIGHT, 9495113d5b3SJacopo Mondi }, 9505113d5b3SJacopo Mondi .crop = { 9515113d5b3SJacopo Mondi .left = 56, 9525113d5b3SJacopo Mondi .top = 6, 9535113d5b3SJacopo Mondi .width = 720, 9545113d5b3SJacopo Mondi .height = 576, 9555113d5b3SJacopo Mondi }, 9565113d5b3SJacopo Mondi .htot = 1896, 957961bed9fSJacopo Mondi .vblank_def = 1110, 9585113d5b3SJacopo Mondi }, 959db15c195SJacopo Mondi .reg_data = ov5640_setting_low_res, 960db15c195SJacopo Mondi .reg_data_size = ARRAY_SIZE(ov5640_setting_low_res), 96119f2e3e6SHugues Fruchet .max_fps = OV5640_30_FPS, 96219f2e3e6SHugues Fruchet .def_fps = OV5640_30_FPS 9638409d017SJacopo Mondi }, { 9648409d017SJacopo Mondi /* 1024x768 */ 9653145efcdSJacopo Mondi .id = OV5640_MODE_XGA_1024_768, 9663145efcdSJacopo Mondi .dn_mode = SUBSAMPLING, 9673145efcdSJacopo Mondi .pixel_rate = OV5640_PIXEL_RATE_96M, 9685113d5b3SJacopo Mondi .width = 1024, 9695113d5b3SJacopo Mondi .height = 768, 9705113d5b3SJacopo Mondi .dvp_timings = { 9713145efcdSJacopo Mondi .analog_crop = { 9723145efcdSJacopo Mondi .left = 0, 9733145efcdSJacopo Mondi .top = 4, 9743145efcdSJacopo Mondi .width = 2624, 9753145efcdSJacopo Mondi .height = 1944, 9763145efcdSJacopo Mondi }, 9773145efcdSJacopo Mondi .crop = { 9783145efcdSJacopo Mondi .left = 16, 9793145efcdSJacopo Mondi .top = 6, 9803145efcdSJacopo Mondi .width = 1024, 9813145efcdSJacopo Mondi .height = 768, 9823145efcdSJacopo Mondi }, 9833145efcdSJacopo Mondi .htot = 1896, 9843145efcdSJacopo Mondi .vblank_def = 312, 9855113d5b3SJacopo Mondi }, 9865113d5b3SJacopo Mondi .csi2_timings = { 9875113d5b3SJacopo Mondi .analog_crop = { 9885113d5b3SJacopo Mondi .left = 0, 9895113d5b3SJacopo Mondi .top = 4, 9905113d5b3SJacopo Mondi .width = OV5640_NATIVE_WIDTH, 9915113d5b3SJacopo Mondi .height = OV5640_PIXEL_ARRAY_HEIGHT, 9925113d5b3SJacopo Mondi }, 9935113d5b3SJacopo Mondi .crop = { 9945113d5b3SJacopo Mondi .left = 16, 9955113d5b3SJacopo Mondi .top = 6, 9965113d5b3SJacopo Mondi .width = 1024, 9975113d5b3SJacopo Mondi .height = 768, 9985113d5b3SJacopo Mondi }, 9995113d5b3SJacopo Mondi .htot = 1896, 1000961bed9fSJacopo Mondi .vblank_def = 918, 10015113d5b3SJacopo Mondi }, 1002db15c195SJacopo Mondi .reg_data = ov5640_setting_low_res, 1003db15c195SJacopo Mondi .reg_data_size = ARRAY_SIZE(ov5640_setting_low_res), 100419f2e3e6SHugues Fruchet .max_fps = OV5640_30_FPS, 100519f2e3e6SHugues Fruchet .def_fps = OV5640_30_FPS 10068409d017SJacopo Mondi }, { 10078409d017SJacopo Mondi /* 1280x720 */ 10083145efcdSJacopo Mondi .id = OV5640_MODE_720P_1280_720, 10093145efcdSJacopo Mondi .dn_mode = SUBSAMPLING, 10103145efcdSJacopo Mondi .pixel_rate = OV5640_PIXEL_RATE_124M, 10115113d5b3SJacopo Mondi .width = 1280, 10125113d5b3SJacopo Mondi .height = 720, 10135113d5b3SJacopo Mondi .dvp_timings = { 10143145efcdSJacopo Mondi .analog_crop = { 10153145efcdSJacopo Mondi .left = 0, 10163145efcdSJacopo Mondi .top = 250, 10173145efcdSJacopo Mondi .width = 2624, 10183145efcdSJacopo Mondi .height = 1456, 10193145efcdSJacopo Mondi }, 10203145efcdSJacopo Mondi .crop = { 10213145efcdSJacopo Mondi .left = 16, 10223145efcdSJacopo Mondi .top = 4, 10233145efcdSJacopo Mondi .width = 1280, 10243145efcdSJacopo Mondi .height = 720, 10253145efcdSJacopo Mondi }, 10263145efcdSJacopo Mondi .htot = 1892, 10273145efcdSJacopo Mondi .vblank_def = 20, 10285113d5b3SJacopo Mondi }, 10295113d5b3SJacopo Mondi .csi2_timings = { 10305113d5b3SJacopo Mondi .analog_crop = { 10315113d5b3SJacopo Mondi .left = 0, 10325113d5b3SJacopo Mondi .top = 250, 10335113d5b3SJacopo Mondi .width = 2624, 10345113d5b3SJacopo Mondi .height = 1456, 10355113d5b3SJacopo Mondi }, 10365113d5b3SJacopo Mondi .crop = { 10375113d5b3SJacopo Mondi .left = 16, 10385113d5b3SJacopo Mondi .top = 4, 10395113d5b3SJacopo Mondi .width = 1280, 10405113d5b3SJacopo Mondi .height = 720, 10415113d5b3SJacopo Mondi }, 1042961bed9fSJacopo Mondi .htot = 1600, 1043961bed9fSJacopo Mondi .vblank_def = 560, 10445113d5b3SJacopo Mondi }, 10453145efcdSJacopo Mondi .reg_data = ov5640_setting_720P_1280_720, 10463145efcdSJacopo Mondi .reg_data_size = ARRAY_SIZE(ov5640_setting_720P_1280_720), 104719f2e3e6SHugues Fruchet .max_fps = OV5640_30_FPS, 104819f2e3e6SHugues Fruchet .def_fps = OV5640_30_FPS 10498409d017SJacopo Mondi }, { 10508409d017SJacopo Mondi /* 1920x1080 */ 10513145efcdSJacopo Mondi .id = OV5640_MODE_1080P_1920_1080, 10523145efcdSJacopo Mondi .dn_mode = SCALING, 10533145efcdSJacopo Mondi .pixel_rate = OV5640_PIXEL_RATE_148M, 10545113d5b3SJacopo Mondi .width = 1920, 10555113d5b3SJacopo Mondi .height = 1080, 10565113d5b3SJacopo Mondi .dvp_timings = { 10573145efcdSJacopo Mondi .analog_crop = { 10583145efcdSJacopo Mondi .left = 336, 10593145efcdSJacopo Mondi .top = 434, 10603145efcdSJacopo Mondi .width = 1952, 10613145efcdSJacopo Mondi .height = 1088, 10623145efcdSJacopo Mondi }, 10633145efcdSJacopo Mondi .crop = { 10643145efcdSJacopo Mondi .left = 16, 10653145efcdSJacopo Mondi .top = 4, 10663145efcdSJacopo Mondi .width = 1920, 10673145efcdSJacopo Mondi .height = 1080, 10683145efcdSJacopo Mondi }, 10693145efcdSJacopo Mondi .htot = 2500, 10703145efcdSJacopo Mondi .vblank_def = 40, 10715113d5b3SJacopo Mondi }, 10725113d5b3SJacopo Mondi .csi2_timings = { 10735113d5b3SJacopo Mondi /* Crop the full valid pixel array in the center. */ 10745113d5b3SJacopo Mondi .analog_crop = { 10755113d5b3SJacopo Mondi .left = 336, 10765113d5b3SJacopo Mondi .top = 434, 10775113d5b3SJacopo Mondi .width = 1952, 10785113d5b3SJacopo Mondi .height = 1088, 10795113d5b3SJacopo Mondi }, 10805113d5b3SJacopo Mondi /* Maintain a larger processing margins. */ 10815113d5b3SJacopo Mondi .crop = { 10825113d5b3SJacopo Mondi .left = 16, 10835113d5b3SJacopo Mondi .top = 4, 10845113d5b3SJacopo Mondi .width = 1920, 10855113d5b3SJacopo Mondi .height = 1080, 10865113d5b3SJacopo Mondi }, 1087961bed9fSJacopo Mondi .htot = 2234, 1088961bed9fSJacopo Mondi .vblank_def = 24, 10895113d5b3SJacopo Mondi }, 10903145efcdSJacopo Mondi .reg_data = ov5640_setting_1080P_1920_1080, 10913145efcdSJacopo Mondi .reg_data_size = ARRAY_SIZE(ov5640_setting_1080P_1920_1080), 109219f2e3e6SHugues Fruchet .max_fps = OV5640_30_FPS, 109319f2e3e6SHugues Fruchet .def_fps = OV5640_30_FPS 10948409d017SJacopo Mondi }, { 10958409d017SJacopo Mondi /* 2592x1944 */ 10963145efcdSJacopo Mondi .id = OV5640_MODE_QSXGA_2592_1944, 10973145efcdSJacopo Mondi .dn_mode = SCALING, 10983145efcdSJacopo Mondi .pixel_rate = OV5640_PIXEL_RATE_168M, 10995113d5b3SJacopo Mondi .width = OV5640_PIXEL_ARRAY_WIDTH, 11005113d5b3SJacopo Mondi .height = OV5640_PIXEL_ARRAY_HEIGHT, 11015113d5b3SJacopo Mondi .dvp_timings = { 11023145efcdSJacopo Mondi .analog_crop = { 11033145efcdSJacopo Mondi .left = 0, 11043145efcdSJacopo Mondi .top = 0, 11053145efcdSJacopo Mondi .width = 2624, 11063145efcdSJacopo Mondi .height = 1952, 11073145efcdSJacopo Mondi }, 11083145efcdSJacopo Mondi .crop = { 11093145efcdSJacopo Mondi .left = 16, 11103145efcdSJacopo Mondi .top = 4, 11113145efcdSJacopo Mondi .width = 2592, 11123145efcdSJacopo Mondi .height = 1944, 11133145efcdSJacopo Mondi }, 11143145efcdSJacopo Mondi .htot = 2844, 11153145efcdSJacopo Mondi .vblank_def = 24, 11165113d5b3SJacopo Mondi }, 11175113d5b3SJacopo Mondi .csi2_timings = { 11185113d5b3SJacopo Mondi /* Give more processing margin to full resolution. */ 11195113d5b3SJacopo Mondi .analog_crop = { 11205113d5b3SJacopo Mondi .left = 0, 11215113d5b3SJacopo Mondi .top = 0, 11225113d5b3SJacopo Mondi .width = OV5640_NATIVE_WIDTH, 11235113d5b3SJacopo Mondi .height = 1952, 11245113d5b3SJacopo Mondi }, 11255113d5b3SJacopo Mondi .crop = { 11265113d5b3SJacopo Mondi .left = 16, 11275113d5b3SJacopo Mondi .top = 4, 11285113d5b3SJacopo Mondi .width = 2592, 11295113d5b3SJacopo Mondi .height = 1944, 11305113d5b3SJacopo Mondi }, 11315113d5b3SJacopo Mondi .htot = 2844, 11325113d5b3SJacopo Mondi .vblank_def = 24, 11335113d5b3SJacopo Mondi }, 11343145efcdSJacopo Mondi .reg_data = ov5640_setting_QSXGA_2592_1944, 11353145efcdSJacopo Mondi .reg_data_size = ARRAY_SIZE(ov5640_setting_QSXGA_2592_1944), 113619f2e3e6SHugues Fruchet .max_fps = OV5640_15_FPS, 113719f2e3e6SHugues Fruchet .def_fps = OV5640_15_FPS 11388409d017SJacopo Mondi }, 113919a81c14SSteve Longerbeam }; 114019a81c14SSteve Longerbeam 11412de6bb97SJacopo Mondi static const struct ov5640_timings * 11422de6bb97SJacopo Mondi ov5640_timings(const struct ov5640_dev *sensor, 11432de6bb97SJacopo Mondi const struct ov5640_mode_info *mode) 11442de6bb97SJacopo Mondi { 11452de6bb97SJacopo Mondi if (ov5640_is_csi2(sensor)) 11462de6bb97SJacopo Mondi return &mode->csi2_timings; 11472de6bb97SJacopo Mondi 11482de6bb97SJacopo Mondi return &mode->dvp_timings; 11492de6bb97SJacopo Mondi } 11502de6bb97SJacopo Mondi 115119a81c14SSteve Longerbeam static int ov5640_init_slave_id(struct ov5640_dev *sensor) 115219a81c14SSteve Longerbeam { 115319a81c14SSteve Longerbeam struct i2c_client *client = sensor->i2c_client; 115419a81c14SSteve Longerbeam struct i2c_msg msg; 115519a81c14SSteve Longerbeam u8 buf[3]; 115619a81c14SSteve Longerbeam int ret; 115719a81c14SSteve Longerbeam 115819a81c14SSteve Longerbeam if (client->addr == OV5640_DEFAULT_SLAVE_ID) 115919a81c14SSteve Longerbeam return 0; 116019a81c14SSteve Longerbeam 116119a81c14SSteve Longerbeam buf[0] = OV5640_REG_SLAVE_ID >> 8; 116219a81c14SSteve Longerbeam buf[1] = OV5640_REG_SLAVE_ID & 0xff; 116319a81c14SSteve Longerbeam buf[2] = client->addr << 1; 116419a81c14SSteve Longerbeam 116519a81c14SSteve Longerbeam msg.addr = OV5640_DEFAULT_SLAVE_ID; 116619a81c14SSteve Longerbeam msg.flags = 0; 116719a81c14SSteve Longerbeam msg.buf = buf; 116819a81c14SSteve Longerbeam msg.len = sizeof(buf); 116919a81c14SSteve Longerbeam 117019a81c14SSteve Longerbeam ret = i2c_transfer(client->adapter, &msg, 1); 117119a81c14SSteve Longerbeam if (ret < 0) { 117219a81c14SSteve Longerbeam dev_err(&client->dev, "%s: failed with %d\n", __func__, ret); 117319a81c14SSteve Longerbeam return ret; 117419a81c14SSteve Longerbeam } 117519a81c14SSteve Longerbeam 117619a81c14SSteve Longerbeam return 0; 117719a81c14SSteve Longerbeam } 117819a81c14SSteve Longerbeam 117919a81c14SSteve Longerbeam static int ov5640_write_reg(struct ov5640_dev *sensor, u16 reg, u8 val) 118019a81c14SSteve Longerbeam { 118119a81c14SSteve Longerbeam struct i2c_client *client = sensor->i2c_client; 118219a81c14SSteve Longerbeam struct i2c_msg msg; 118319a81c14SSteve Longerbeam u8 buf[3]; 118419a81c14SSteve Longerbeam int ret; 118519a81c14SSteve Longerbeam 118619a81c14SSteve Longerbeam buf[0] = reg >> 8; 118719a81c14SSteve Longerbeam buf[1] = reg & 0xff; 118819a81c14SSteve Longerbeam buf[2] = val; 118919a81c14SSteve Longerbeam 119019a81c14SSteve Longerbeam msg.addr = client->addr; 119119a81c14SSteve Longerbeam msg.flags = client->flags; 119219a81c14SSteve Longerbeam msg.buf = buf; 119319a81c14SSteve Longerbeam msg.len = sizeof(buf); 119419a81c14SSteve Longerbeam 119519a81c14SSteve Longerbeam ret = i2c_transfer(client->adapter, &msg, 1); 119619a81c14SSteve Longerbeam if (ret < 0) { 11973924c623SHugues Fruchet dev_err(&client->dev, "%s: error: reg=%x, val=%x\n", 119819a81c14SSteve Longerbeam __func__, reg, val); 119919a81c14SSteve Longerbeam return ret; 120019a81c14SSteve Longerbeam } 120119a81c14SSteve Longerbeam 120219a81c14SSteve Longerbeam return 0; 120319a81c14SSteve Longerbeam } 120419a81c14SSteve Longerbeam 120519a81c14SSteve Longerbeam static int ov5640_read_reg(struct ov5640_dev *sensor, u16 reg, u8 *val) 120619a81c14SSteve Longerbeam { 120719a81c14SSteve Longerbeam struct i2c_client *client = sensor->i2c_client; 120819a81c14SSteve Longerbeam struct i2c_msg msg[2]; 120919a81c14SSteve Longerbeam u8 buf[2]; 121019a81c14SSteve Longerbeam int ret; 121119a81c14SSteve Longerbeam 121219a81c14SSteve Longerbeam buf[0] = reg >> 8; 121319a81c14SSteve Longerbeam buf[1] = reg & 0xff; 121419a81c14SSteve Longerbeam 121519a81c14SSteve Longerbeam msg[0].addr = client->addr; 121619a81c14SSteve Longerbeam msg[0].flags = client->flags; 121719a81c14SSteve Longerbeam msg[0].buf = buf; 121819a81c14SSteve Longerbeam msg[0].len = sizeof(buf); 121919a81c14SSteve Longerbeam 122019a81c14SSteve Longerbeam msg[1].addr = client->addr; 122119a81c14SSteve Longerbeam msg[1].flags = client->flags | I2C_M_RD; 122219a81c14SSteve Longerbeam msg[1].buf = buf; 122319a81c14SSteve Longerbeam msg[1].len = 1; 122419a81c14SSteve Longerbeam 122519a81c14SSteve Longerbeam ret = i2c_transfer(client->adapter, msg, 2); 12263924c623SHugues Fruchet if (ret < 0) { 12273924c623SHugues Fruchet dev_err(&client->dev, "%s: error: reg=%x\n", 12283924c623SHugues Fruchet __func__, reg); 122919a81c14SSteve Longerbeam return ret; 12303924c623SHugues Fruchet } 123119a81c14SSteve Longerbeam 123219a81c14SSteve Longerbeam *val = buf[0]; 123319a81c14SSteve Longerbeam return 0; 123419a81c14SSteve Longerbeam } 123519a81c14SSteve Longerbeam 123619a81c14SSteve Longerbeam static int ov5640_read_reg16(struct ov5640_dev *sensor, u16 reg, u16 *val) 123719a81c14SSteve Longerbeam { 123819a81c14SSteve Longerbeam u8 hi, lo; 123919a81c14SSteve Longerbeam int ret; 124019a81c14SSteve Longerbeam 124119a81c14SSteve Longerbeam ret = ov5640_read_reg(sensor, reg, &hi); 124219a81c14SSteve Longerbeam if (ret) 124319a81c14SSteve Longerbeam return ret; 124419a81c14SSteve Longerbeam ret = ov5640_read_reg(sensor, reg + 1, &lo); 124519a81c14SSteve Longerbeam if (ret) 124619a81c14SSteve Longerbeam return ret; 124719a81c14SSteve Longerbeam 124819a81c14SSteve Longerbeam *val = ((u16)hi << 8) | (u16)lo; 124919a81c14SSteve Longerbeam return 0; 125019a81c14SSteve Longerbeam } 125119a81c14SSteve Longerbeam 125219a81c14SSteve Longerbeam static int ov5640_write_reg16(struct ov5640_dev *sensor, u16 reg, u16 val) 125319a81c14SSteve Longerbeam { 125419a81c14SSteve Longerbeam int ret; 125519a81c14SSteve Longerbeam 125619a81c14SSteve Longerbeam ret = ov5640_write_reg(sensor, reg, val >> 8); 125719a81c14SSteve Longerbeam if (ret) 125819a81c14SSteve Longerbeam return ret; 125919a81c14SSteve Longerbeam 126019a81c14SSteve Longerbeam return ov5640_write_reg(sensor, reg + 1, val & 0xff); 126119a81c14SSteve Longerbeam } 126219a81c14SSteve Longerbeam 126319a81c14SSteve Longerbeam static int ov5640_mod_reg(struct ov5640_dev *sensor, u16 reg, 126419a81c14SSteve Longerbeam u8 mask, u8 val) 126519a81c14SSteve Longerbeam { 126619a81c14SSteve Longerbeam u8 readval; 126719a81c14SSteve Longerbeam int ret; 126819a81c14SSteve Longerbeam 126919a81c14SSteve Longerbeam ret = ov5640_read_reg(sensor, reg, &readval); 127019a81c14SSteve Longerbeam if (ret) 127119a81c14SSteve Longerbeam return ret; 127219a81c14SSteve Longerbeam 127319a81c14SSteve Longerbeam readval &= ~mask; 127419a81c14SSteve Longerbeam val &= mask; 127519a81c14SSteve Longerbeam val |= readval; 127619a81c14SSteve Longerbeam 127719a81c14SSteve Longerbeam return ov5640_write_reg(sensor, reg, val); 127819a81c14SSteve Longerbeam } 127919a81c14SSteve Longerbeam 1280aa288248SMaxime Ripard /* 1281aa288248SMaxime Ripard * After trying the various combinations, reading various 1282f8a7647dSMauro Carvalho Chehab * documentations spread around the net, and from the various 1283aa288248SMaxime Ripard * feedback, the clock tree is probably as follows: 1284aa288248SMaxime Ripard * 1285aa288248SMaxime Ripard * +--------------+ 1286aa288248SMaxime Ripard * | Ext. Clock | 1287aa288248SMaxime Ripard * +-+------------+ 1288aa288248SMaxime Ripard * | +----------+ 1289aa288248SMaxime Ripard * +->| PLL1 | - reg 0x3036, for the multiplier 1290aa288248SMaxime Ripard * +-+--------+ - reg 0x3037, bits 0-3 for the pre-divider 1291aa288248SMaxime Ripard * | +--------------+ 1292aa288248SMaxime Ripard * +->| System Clock | - reg 0x3035, bits 4-7 1293aa288248SMaxime Ripard * +-+------------+ 1294aa288248SMaxime Ripard * | +--------------+ 1295aa288248SMaxime Ripard * +->| MIPI Divider | - reg 0x3035, bits 0-3 1296aa288248SMaxime Ripard * | +-+------------+ 1297aa288248SMaxime Ripard * | +----------------> MIPI SCLK 1298aa288248SMaxime Ripard * | + +-----+ 1299aa288248SMaxime Ripard * | +->| / 2 |-------> MIPI BIT CLK 1300aa288248SMaxime Ripard * | +-----+ 1301aa288248SMaxime Ripard * | +--------------+ 1302aa288248SMaxime Ripard * +->| PLL Root Div | - reg 0x3037, bit 4 1303aa288248SMaxime Ripard * +-+------------+ 1304aa288248SMaxime Ripard * | +---------+ 13054c85f628SPaul Kocialkowski * +->| Bit Div | - reg 0x3034, bits 0-3 1306aa288248SMaxime Ripard * +-+-------+ 1307aa288248SMaxime Ripard * | +-------------+ 1308aa288248SMaxime Ripard * +->| SCLK Div | - reg 0x3108, bits 0-1 1309aa288248SMaxime Ripard * | +-+-----------+ 1310aa288248SMaxime Ripard * | +---------------> SCLK 1311aa288248SMaxime Ripard * | +-------------+ 1312aa288248SMaxime Ripard * +->| SCLK 2X Div | - reg 0x3108, bits 2-3 1313aa288248SMaxime Ripard * | +-+-----------+ 1314aa288248SMaxime Ripard * | +---------------> SCLK 2X 1315aa288248SMaxime Ripard * | +-------------+ 1316aa288248SMaxime Ripard * +->| PCLK Div | - reg 0x3108, bits 4-5 1317aa288248SMaxime Ripard * ++------------+ 1318aa288248SMaxime Ripard * + +-----------+ 1319aa288248SMaxime Ripard * +->| P_DIV | - reg 0x3035, bits 0-3 1320aa288248SMaxime Ripard * +-----+-----+ 1321aa288248SMaxime Ripard * +------------> PCLK 1322aa288248SMaxime Ripard * 13236c957ed7SJacopo Mondi * There seems to be also constraints: 1324aa288248SMaxime Ripard * - the PLL pre-divider output rate should be in the 4-27MHz range 1325aa288248SMaxime Ripard * - the PLL multiplier output rate should be in the 500-1000MHz range 1326aa288248SMaxime Ripard * - PCLK >= SCLK * 2 in YUV, >= SCLK in Raw or JPEG 1327aa288248SMaxime Ripard */ 1328aa288248SMaxime Ripard 1329aa288248SMaxime Ripard /* 1330aa288248SMaxime Ripard * This is supposed to be ranging from 1 to 8, but the value is always 1331aa288248SMaxime Ripard * set to 3 in the vendor kernels. 1332aa288248SMaxime Ripard */ 1333aa288248SMaxime Ripard #define OV5640_PLL_PREDIV 3 1334aa288248SMaxime Ripard 1335aa288248SMaxime Ripard #define OV5640_PLL_MULT_MIN 4 1336aa288248SMaxime Ripard #define OV5640_PLL_MULT_MAX 252 1337aa288248SMaxime Ripard 1338aa288248SMaxime Ripard /* 1339aa288248SMaxime Ripard * This is supposed to be ranging from 1 to 16, but the value is 1340aa288248SMaxime Ripard * always set to either 1 or 2 in the vendor kernels. 1341aa288248SMaxime Ripard */ 1342aa288248SMaxime Ripard #define OV5640_SYSDIV_MIN 1 1343aa288248SMaxime Ripard #define OV5640_SYSDIV_MAX 16 1344aa288248SMaxime Ripard 1345aa288248SMaxime Ripard /* 1346aa288248SMaxime Ripard * This is supposed to be ranging from 1 to 2, but the value is always 1347aa288248SMaxime Ripard * set to 2 in the vendor kernels. 1348aa288248SMaxime Ripard */ 1349aa288248SMaxime Ripard #define OV5640_PLL_ROOT_DIV 2 1350aa288248SMaxime Ripard #define OV5640_PLL_CTRL3_PLL_ROOT_DIV_2 BIT(4) 1351aa288248SMaxime Ripard 1352aa288248SMaxime Ripard /* 1353aa288248SMaxime Ripard * We only supports 8-bit formats at the moment 1354aa288248SMaxime Ripard */ 1355aa288248SMaxime Ripard #define OV5640_BIT_DIV 2 1356aa288248SMaxime Ripard #define OV5640_PLL_CTRL0_MIPI_MODE_8BIT 0x08 1357aa288248SMaxime Ripard 1358aa288248SMaxime Ripard /* 1359aa288248SMaxime Ripard * This is supposed to be ranging from 1 to 8, but the value is always 1360aa288248SMaxime Ripard * set to 2 in the vendor kernels. 1361aa288248SMaxime Ripard */ 1362aa288248SMaxime Ripard #define OV5640_SCLK_ROOT_DIV 2 1363aa288248SMaxime Ripard 1364aa288248SMaxime Ripard /* 1365aa288248SMaxime Ripard * This is hardcoded so that the consistency is maintained between SCLK and 1366aa288248SMaxime Ripard * SCLK 2x. 1367aa288248SMaxime Ripard */ 1368aa288248SMaxime Ripard #define OV5640_SCLK2X_ROOT_DIV (OV5640_SCLK_ROOT_DIV / 2) 1369aa288248SMaxime Ripard 1370aa288248SMaxime Ripard /* 1371aa288248SMaxime Ripard * This is supposed to be ranging from 1 to 8, but the value is always 1372aa288248SMaxime Ripard * set to 1 in the vendor kernels. 1373aa288248SMaxime Ripard */ 1374aa288248SMaxime Ripard #define OV5640_PCLK_ROOT_DIV 1 1375aa288248SMaxime Ripard #define OV5640_PLL_SYS_ROOT_DIVIDER_BYPASS 0x00 1376aa288248SMaxime Ripard 1377aa288248SMaxime Ripard static unsigned long ov5640_compute_sys_clk(struct ov5640_dev *sensor, 1378aa288248SMaxime Ripard u8 pll_prediv, u8 pll_mult, 1379aa288248SMaxime Ripard u8 sysdiv) 1380aa288248SMaxime Ripard { 1381aa288248SMaxime Ripard unsigned long sysclk = sensor->xclk_freq / pll_prediv * pll_mult; 1382aa288248SMaxime Ripard 1383aa288248SMaxime Ripard /* PLL1 output cannot exceed 1GHz. */ 1384aa288248SMaxime Ripard if (sysclk / 1000000 > 1000) 1385aa288248SMaxime Ripard return 0; 1386aa288248SMaxime Ripard 1387aa288248SMaxime Ripard return sysclk / sysdiv; 1388aa288248SMaxime Ripard } 1389aa288248SMaxime Ripard 1390aa288248SMaxime Ripard static unsigned long ov5640_calc_sys_clk(struct ov5640_dev *sensor, 1391aa288248SMaxime Ripard unsigned long rate, 1392aa288248SMaxime Ripard u8 *pll_prediv, u8 *pll_mult, 1393aa288248SMaxime Ripard u8 *sysdiv) 1394aa288248SMaxime Ripard { 1395aa288248SMaxime Ripard unsigned long best = ~0; 1396aa288248SMaxime Ripard u8 best_sysdiv = 1, best_mult = 1; 1397aa288248SMaxime Ripard u8 _sysdiv, _pll_mult; 1398aa288248SMaxime Ripard 1399aa288248SMaxime Ripard for (_sysdiv = OV5640_SYSDIV_MIN; 1400aa288248SMaxime Ripard _sysdiv <= OV5640_SYSDIV_MAX; 1401aa288248SMaxime Ripard _sysdiv++) { 1402aa288248SMaxime Ripard for (_pll_mult = OV5640_PLL_MULT_MIN; 1403aa288248SMaxime Ripard _pll_mult <= OV5640_PLL_MULT_MAX; 1404aa288248SMaxime Ripard _pll_mult++) { 1405aa288248SMaxime Ripard unsigned long _rate; 1406aa288248SMaxime Ripard 1407aa288248SMaxime Ripard /* 1408aa288248SMaxime Ripard * The PLL multiplier cannot be odd if above 1409aa288248SMaxime Ripard * 127. 1410aa288248SMaxime Ripard */ 1411aa288248SMaxime Ripard if (_pll_mult > 127 && (_pll_mult % 2)) 1412aa288248SMaxime Ripard continue; 1413aa288248SMaxime Ripard 1414aa288248SMaxime Ripard _rate = ov5640_compute_sys_clk(sensor, 1415aa288248SMaxime Ripard OV5640_PLL_PREDIV, 1416aa288248SMaxime Ripard _pll_mult, _sysdiv); 1417aa288248SMaxime Ripard 1418aa288248SMaxime Ripard /* 1419aa288248SMaxime Ripard * We have reached the maximum allowed PLL1 output, 1420aa288248SMaxime Ripard * increase sysdiv. 1421aa288248SMaxime Ripard */ 14222e3df204SAdam Ford if (!_rate) 1423aa288248SMaxime Ripard break; 1424aa288248SMaxime Ripard 1425aa288248SMaxime Ripard /* 1426aa288248SMaxime Ripard * Prefer rates above the expected clock rate than 1427aa288248SMaxime Ripard * below, even if that means being less precise. 1428aa288248SMaxime Ripard */ 1429aa288248SMaxime Ripard if (_rate < rate) 1430aa288248SMaxime Ripard continue; 1431aa288248SMaxime Ripard 1432aa288248SMaxime Ripard if (abs(rate - _rate) < abs(rate - best)) { 1433aa288248SMaxime Ripard best = _rate; 1434aa288248SMaxime Ripard best_sysdiv = _sysdiv; 1435aa288248SMaxime Ripard best_mult = _pll_mult; 1436aa288248SMaxime Ripard } 1437aa288248SMaxime Ripard 1438aa288248SMaxime Ripard if (_rate == rate) 1439aa288248SMaxime Ripard goto out; 1440aa288248SMaxime Ripard } 1441aa288248SMaxime Ripard } 1442aa288248SMaxime Ripard 1443aa288248SMaxime Ripard out: 1444aa288248SMaxime Ripard *sysdiv = best_sysdiv; 1445aa288248SMaxime Ripard *pll_prediv = OV5640_PLL_PREDIV; 1446aa288248SMaxime Ripard *pll_mult = best_mult; 1447aa288248SMaxime Ripard 1448aa288248SMaxime Ripard return best; 1449aa288248SMaxime Ripard } 1450aa288248SMaxime Ripard 1451aa288248SMaxime Ripard /* 1452aa288248SMaxime Ripard * ov5640_set_mipi_pclk() - Calculate the clock tree configuration values 1453aa288248SMaxime Ripard * for the MIPI CSI-2 output. 1454aa288248SMaxime Ripard */ 14556c957ed7SJacopo Mondi static int ov5640_set_mipi_pclk(struct ov5640_dev *sensor) 1456aa288248SMaxime Ripard { 14576c957ed7SJacopo Mondi u8 bit_div, mipi_div, pclk_div, sclk_div, sclk2x_div, root_div; 1458aa288248SMaxime Ripard u8 prediv, mult, sysdiv; 14596c957ed7SJacopo Mondi unsigned long link_freq; 14606c957ed7SJacopo Mondi unsigned long sysclk; 14616c957ed7SJacopo Mondi u8 pclk_period; 14626c957ed7SJacopo Mondi u32 sample_rate; 14636c957ed7SJacopo Mondi u32 num_lanes; 1464aa288248SMaxime Ripard int ret; 1465aa288248SMaxime Ripard 14666c957ed7SJacopo Mondi /* Use the link freq computed at ov5640_update_pixel_rate() time. */ 14676c957ed7SJacopo Mondi link_freq = sensor->current_link_freq; 14686c957ed7SJacopo Mondi 1469aa288248SMaxime Ripard /* 14706c957ed7SJacopo Mondi * - mipi_div - Additional divider for the MIPI lane clock. 14716c957ed7SJacopo Mondi * 14726c957ed7SJacopo Mondi * Higher link frequencies would make sysclk > 1GHz. 14736c957ed7SJacopo Mondi * Keep the sysclk low and do not divide in the MIPI domain. 1474aa288248SMaxime Ripard */ 14756c957ed7SJacopo Mondi if (link_freq > OV5640_LINK_RATE_MAX) 14766c957ed7SJacopo Mondi mipi_div = 1; 1477aa288248SMaxime Ripard else 14786c957ed7SJacopo Mondi mipi_div = 2; 1479aa288248SMaxime Ripard 14806c957ed7SJacopo Mondi sysclk = link_freq * mipi_div; 14816c957ed7SJacopo Mondi ov5640_calc_sys_clk(sensor, sysclk, &prediv, &mult, &sysdiv); 1482aa288248SMaxime Ripard 14836c957ed7SJacopo Mondi /* 14846c957ed7SJacopo Mondi * Adjust PLL parameters to maintain the MIPI_SCLK-to-PCLK ratio. 14856c957ed7SJacopo Mondi * 14866c957ed7SJacopo Mondi * - root_div = 2 (fixed) 14876c957ed7SJacopo Mondi * - bit_div : MIPI 8-bit = 2; MIPI 10-bit = 2.5 14886c957ed7SJacopo Mondi * - pclk_div = 1 (fixed) 14896c957ed7SJacopo Mondi * - p_div = (2 lanes ? mipi_div : 2 * mipi_div) 14906c957ed7SJacopo Mondi * 14916c957ed7SJacopo Mondi * This results in the following MIPI_SCLK depending on the number 14926c957ed7SJacopo Mondi * of lanes: 14936c957ed7SJacopo Mondi * 14946c957ed7SJacopo Mondi * - 2 lanes: MIPI_SCLK = (4 or 5) * PCLK 14956c957ed7SJacopo Mondi * - 1 lanes: MIPI_SCLK = (8 or 10) * PCLK 14966c957ed7SJacopo Mondi */ 14976c957ed7SJacopo Mondi root_div = OV5640_PLL_CTRL3_PLL_ROOT_DIV_2; 14986c957ed7SJacopo Mondi bit_div = OV5640_PLL_CTRL0_MIPI_MODE_8BIT; 14996c957ed7SJacopo Mondi pclk_div = ilog2(OV5640_PCLK_ROOT_DIV); 1500aa288248SMaxime Ripard 15016c957ed7SJacopo Mondi /* 15026c957ed7SJacopo Mondi * Scaler clock: 15036c957ed7SJacopo Mondi * - YUV: PCLK >= 2 * SCLK 15046c957ed7SJacopo Mondi * - RAW or JPEG: PCLK >= SCLK 15056c957ed7SJacopo Mondi * - sclk2x_div = sclk_div / 2 15066c957ed7SJacopo Mondi */ 15076c957ed7SJacopo Mondi sclk_div = ilog2(OV5640_SCLK_ROOT_DIV); 15086c957ed7SJacopo Mondi sclk2x_div = ilog2(OV5640_SCLK2X_ROOT_DIV); 15096c957ed7SJacopo Mondi 15106c957ed7SJacopo Mondi /* 15116c957ed7SJacopo Mondi * Set the pixel clock period expressed in ns with 1-bit decimal 15126c957ed7SJacopo Mondi * (0x01=0.5ns). 15136c957ed7SJacopo Mondi * 15146c957ed7SJacopo Mondi * The register is very briefly documented. In the OV5645 datasheet it 15156c957ed7SJacopo Mondi * is described as (2 * pclk period), and from testing it seems the 15166c957ed7SJacopo Mondi * actual definition is 2 * 8-bit sample period. 15176c957ed7SJacopo Mondi * 15186c957ed7SJacopo Mondi * 2 * sample_period = (mipi_clk * 2 * num_lanes / bpp) * (bpp / 8) / 2 15196c957ed7SJacopo Mondi */ 15206c957ed7SJacopo Mondi num_lanes = sensor->ep.bus.mipi_csi2.num_data_lanes; 15216c957ed7SJacopo Mondi sample_rate = (link_freq * mipi_div * num_lanes * 2) / 16; 15226c957ed7SJacopo Mondi pclk_period = 2000000000UL / sample_rate; 15236c957ed7SJacopo Mondi 15246c957ed7SJacopo Mondi /* Program the clock tree registers. */ 15256c957ed7SJacopo Mondi ret = ov5640_mod_reg(sensor, OV5640_REG_SC_PLL_CTRL0, 0x0f, bit_div); 15266c957ed7SJacopo Mondi if (ret) 15276c957ed7SJacopo Mondi return ret; 15286c957ed7SJacopo Mondi 15296c957ed7SJacopo Mondi ret = ov5640_mod_reg(sensor, OV5640_REG_SC_PLL_CTRL1, 0xff, 15306c957ed7SJacopo Mondi (sysdiv << 4) | mipi_div); 1531aa288248SMaxime Ripard if (ret) 1532aa288248SMaxime Ripard return ret; 1533aa288248SMaxime Ripard 1534aa288248SMaxime Ripard ret = ov5640_mod_reg(sensor, OV5640_REG_SC_PLL_CTRL2, 0xff, mult); 1535aa288248SMaxime Ripard if (ret) 1536aa288248SMaxime Ripard return ret; 1537aa288248SMaxime Ripard 15386c957ed7SJacopo Mondi ret = ov5640_mod_reg(sensor, OV5640_REG_SC_PLL_CTRL3, 0x1f, 15396c957ed7SJacopo Mondi root_div | prediv); 1540aa288248SMaxime Ripard if (ret) 1541aa288248SMaxime Ripard return ret; 1542aa288248SMaxime Ripard 15436c957ed7SJacopo Mondi ret = ov5640_mod_reg(sensor, OV5640_REG_SYS_ROOT_DIVIDER, 0x3f, 15446c957ed7SJacopo Mondi (pclk_div << 4) | (sclk2x_div << 2) | sclk_div); 15456c957ed7SJacopo Mondi if (ret) 15466c957ed7SJacopo Mondi return ret; 15476c957ed7SJacopo Mondi 15486c957ed7SJacopo Mondi return ov5640_write_reg(sensor, OV5640_REG_PCLK_PERIOD, pclk_period); 15496c957ed7SJacopo Mondi } 15506c957ed7SJacopo Mondi 15516c957ed7SJacopo Mondi static u32 ov5640_calc_pixel_rate(struct ov5640_dev *sensor) 15526c957ed7SJacopo Mondi { 15533145efcdSJacopo Mondi const struct ov5640_mode_info *mode = sensor->current_mode; 15545113d5b3SJacopo Mondi const struct ov5640_timings *timings = &mode->dvp_timings; 15556c957ed7SJacopo Mondi u32 rate; 15566c957ed7SJacopo Mondi 15575113d5b3SJacopo Mondi rate = timings->htot * (timings->crop.height + timings->vblank_def); 15586c957ed7SJacopo Mondi rate *= ov5640_framerates[sensor->current_fr]; 15596c957ed7SJacopo Mondi 15606c957ed7SJacopo Mondi return rate; 1561aa288248SMaxime Ripard } 1562aa288248SMaxime Ripard 1563aa288248SMaxime Ripard static unsigned long ov5640_calc_pclk(struct ov5640_dev *sensor, 1564aa288248SMaxime Ripard unsigned long rate, 1565aa288248SMaxime Ripard u8 *pll_prediv, u8 *pll_mult, u8 *sysdiv, 1566aa288248SMaxime Ripard u8 *pll_rdiv, u8 *bit_div, u8 *pclk_div) 1567aa288248SMaxime Ripard { 1568aa288248SMaxime Ripard unsigned long _rate = rate * OV5640_PLL_ROOT_DIV * OV5640_BIT_DIV * 1569aa288248SMaxime Ripard OV5640_PCLK_ROOT_DIV; 1570aa288248SMaxime Ripard 1571aa288248SMaxime Ripard _rate = ov5640_calc_sys_clk(sensor, _rate, pll_prediv, pll_mult, 1572aa288248SMaxime Ripard sysdiv); 1573aa288248SMaxime Ripard *pll_rdiv = OV5640_PLL_ROOT_DIV; 1574aa288248SMaxime Ripard *bit_div = OV5640_BIT_DIV; 1575aa288248SMaxime Ripard *pclk_div = OV5640_PCLK_ROOT_DIV; 1576aa288248SMaxime Ripard 1577aa288248SMaxime Ripard return _rate / *pll_rdiv / *bit_div / *pclk_div; 1578aa288248SMaxime Ripard } 1579aa288248SMaxime Ripard 15806c957ed7SJacopo Mondi static int ov5640_set_dvp_pclk(struct ov5640_dev *sensor) 1581aa288248SMaxime Ripard { 1582aa288248SMaxime Ripard u8 prediv, mult, sysdiv, pll_rdiv, bit_div, pclk_div; 15836c957ed7SJacopo Mondi u32 rate; 1584aa288248SMaxime Ripard int ret; 1585aa288248SMaxime Ripard 15866c957ed7SJacopo Mondi rate = ov5640_calc_pixel_rate(sensor); 1587a89f14bbSJacopo Mondi rate *= ov5640_code_to_bpp(sensor, sensor->fmt.code); 15886c957ed7SJacopo Mondi rate /= sensor->ep.bus.parallel.bus_width; 15896c957ed7SJacopo Mondi 1590aa288248SMaxime Ripard ov5640_calc_pclk(sensor, rate, &prediv, &mult, &sysdiv, &pll_rdiv, 1591aa288248SMaxime Ripard &bit_div, &pclk_div); 1592aa288248SMaxime Ripard 1593aa288248SMaxime Ripard if (bit_div == 2) 1594aa288248SMaxime Ripard bit_div = 8; 1595aa288248SMaxime Ripard 1596aa288248SMaxime Ripard ret = ov5640_mod_reg(sensor, OV5640_REG_SC_PLL_CTRL0, 1597aa288248SMaxime Ripard 0x0f, bit_div); 1598aa288248SMaxime Ripard if (ret) 1599aa288248SMaxime Ripard return ret; 1600aa288248SMaxime Ripard 1601aa288248SMaxime Ripard /* 1602aa288248SMaxime Ripard * We need to set sysdiv according to the clock, and to clear 1603aa288248SMaxime Ripard * the MIPI divider. 1604aa288248SMaxime Ripard */ 1605aa288248SMaxime Ripard ret = ov5640_mod_reg(sensor, OV5640_REG_SC_PLL_CTRL1, 1606aa288248SMaxime Ripard 0xff, sysdiv << 4); 1607aa288248SMaxime Ripard if (ret) 1608aa288248SMaxime Ripard return ret; 1609aa288248SMaxime Ripard 1610aa288248SMaxime Ripard ret = ov5640_mod_reg(sensor, OV5640_REG_SC_PLL_CTRL2, 1611aa288248SMaxime Ripard 0xff, mult); 1612aa288248SMaxime Ripard if (ret) 1613aa288248SMaxime Ripard return ret; 1614aa288248SMaxime Ripard 1615aa288248SMaxime Ripard ret = ov5640_mod_reg(sensor, OV5640_REG_SC_PLL_CTRL3, 1616aa288248SMaxime Ripard 0x1f, prediv | ((pll_rdiv - 1) << 4)); 1617aa288248SMaxime Ripard if (ret) 1618aa288248SMaxime Ripard return ret; 1619aa288248SMaxime Ripard 1620aa288248SMaxime Ripard return ov5640_mod_reg(sensor, OV5640_REG_SYS_ROOT_DIVIDER, 0x30, 1621aa288248SMaxime Ripard (ilog2(pclk_div) << 4)); 1622aa288248SMaxime Ripard } 1623aa288248SMaxime Ripard 16247cb013b1SChen-Yu Tsai /* set JPEG framing sizes */ 16257cb013b1SChen-Yu Tsai static int ov5640_set_jpeg_timings(struct ov5640_dev *sensor, 16267cb013b1SChen-Yu Tsai const struct ov5640_mode_info *mode) 16277cb013b1SChen-Yu Tsai { 16287cb013b1SChen-Yu Tsai int ret; 16297cb013b1SChen-Yu Tsai 16302b5c18f9SChen-Yu Tsai /* 16312b5c18f9SChen-Yu Tsai * compression mode 3 timing 16322b5c18f9SChen-Yu Tsai * 16332b5c18f9SChen-Yu Tsai * Data is transmitted with programmable width (VFIFO_HSIZE). 16342b5c18f9SChen-Yu Tsai * No padding done. Last line may have less data. Varying 16352b5c18f9SChen-Yu Tsai * number of lines per frame, depending on amount of data. 16362b5c18f9SChen-Yu Tsai */ 16372b5c18f9SChen-Yu Tsai ret = ov5640_mod_reg(sensor, OV5640_REG_JPG_MODE_SELECT, 0x7, 0x3); 16382b5c18f9SChen-Yu Tsai if (ret < 0) 16392b5c18f9SChen-Yu Tsai return ret; 16402b5c18f9SChen-Yu Tsai 16415113d5b3SJacopo Mondi ret = ov5640_write_reg16(sensor, OV5640_REG_VFIFO_HSIZE, mode->width); 16427cb013b1SChen-Yu Tsai if (ret < 0) 16437cb013b1SChen-Yu Tsai return ret; 16447cb013b1SChen-Yu Tsai 16455113d5b3SJacopo Mondi return ov5640_write_reg16(sensor, OV5640_REG_VFIFO_VSIZE, mode->height); 16467cb013b1SChen-Yu Tsai } 16477cb013b1SChen-Yu Tsai 164819a81c14SSteve Longerbeam /* download ov5640 settings to sensor through i2c */ 1649bad1774eSJacopo Mondi static int ov5640_set_timings(struct ov5640_dev *sensor, 1650bad1774eSJacopo Mondi const struct ov5640_mode_info *mode) 1651bad1774eSJacopo Mondi { 16525113d5b3SJacopo Mondi const struct ov5640_timings *timings; 16535113d5b3SJacopo Mondi const struct v4l2_rect *analog_crop; 16545113d5b3SJacopo Mondi const struct v4l2_rect *crop; 1655bad1774eSJacopo Mondi int ret; 1656bad1774eSJacopo Mondi 16577cb013b1SChen-Yu Tsai if (sensor->fmt.code == MEDIA_BUS_FMT_JPEG_1X8) { 16587cb013b1SChen-Yu Tsai ret = ov5640_set_jpeg_timings(sensor, mode); 16597cb013b1SChen-Yu Tsai if (ret < 0) 16607cb013b1SChen-Yu Tsai return ret; 16617cb013b1SChen-Yu Tsai } 16627cb013b1SChen-Yu Tsai 16632de6bb97SJacopo Mondi timings = ov5640_timings(sensor, mode); 16645113d5b3SJacopo Mondi analog_crop = &timings->analog_crop; 16655113d5b3SJacopo Mondi crop = &timings->crop; 16665113d5b3SJacopo Mondi 16673145efcdSJacopo Mondi ret = ov5640_write_reg16(sensor, OV5640_REG_TIMING_HS, 16683145efcdSJacopo Mondi analog_crop->left); 1669bad1774eSJacopo Mondi if (ret < 0) 1670bad1774eSJacopo Mondi return ret; 1671bad1774eSJacopo Mondi 16723145efcdSJacopo Mondi ret = ov5640_write_reg16(sensor, OV5640_REG_TIMING_VS, 16733145efcdSJacopo Mondi analog_crop->top); 16743145efcdSJacopo Mondi if (ret < 0) 16753145efcdSJacopo Mondi return ret; 16763145efcdSJacopo Mondi 16773145efcdSJacopo Mondi ret = ov5640_write_reg16(sensor, OV5640_REG_TIMING_HW, 16783145efcdSJacopo Mondi analog_crop->left + analog_crop->width - 1); 16793145efcdSJacopo Mondi if (ret < 0) 16803145efcdSJacopo Mondi return ret; 16813145efcdSJacopo Mondi 16823145efcdSJacopo Mondi ret = ov5640_write_reg16(sensor, OV5640_REG_TIMING_VH, 16833145efcdSJacopo Mondi analog_crop->top + analog_crop->height - 1); 16843145efcdSJacopo Mondi if (ret < 0) 16853145efcdSJacopo Mondi return ret; 16863145efcdSJacopo Mondi 16873145efcdSJacopo Mondi ret = ov5640_write_reg16(sensor, OV5640_REG_TIMING_HOFFS, crop->left); 16883145efcdSJacopo Mondi if (ret < 0) 16893145efcdSJacopo Mondi return ret; 16903145efcdSJacopo Mondi 16913145efcdSJacopo Mondi ret = ov5640_write_reg16(sensor, OV5640_REG_TIMING_VOFFS, crop->top); 16923145efcdSJacopo Mondi if (ret < 0) 16933145efcdSJacopo Mondi return ret; 16943145efcdSJacopo Mondi 16955113d5b3SJacopo Mondi ret = ov5640_write_reg16(sensor, OV5640_REG_TIMING_DVPHO, mode->width); 16963145efcdSJacopo Mondi if (ret < 0) 16973145efcdSJacopo Mondi return ret; 16983145efcdSJacopo Mondi 16995113d5b3SJacopo Mondi ret = ov5640_write_reg16(sensor, OV5640_REG_TIMING_DVPVO, mode->height); 1700bad1774eSJacopo Mondi if (ret < 0) 1701bad1774eSJacopo Mondi return ret; 1702bad1774eSJacopo Mondi 17035113d5b3SJacopo Mondi ret = ov5640_write_reg16(sensor, OV5640_REG_TIMING_HTS, timings->htot); 1704bad1774eSJacopo Mondi if (ret < 0) 1705bad1774eSJacopo Mondi return ret; 1706bad1774eSJacopo Mondi 17073145efcdSJacopo Mondi ret = ov5640_write_reg16(sensor, OV5640_REG_TIMING_VTS, 17085113d5b3SJacopo Mondi mode->height + timings->vblank_def); 17093145efcdSJacopo Mondi if (ret < 0) 17103145efcdSJacopo Mondi return ret; 17113145efcdSJacopo Mondi 17123145efcdSJacopo Mondi return 0; 1713bad1774eSJacopo Mondi } 1714bad1774eSJacopo Mondi 1715e4359019SJacopo Mondi static void ov5640_load_regs(struct ov5640_dev *sensor, 1716e4359019SJacopo Mondi const struct reg_value *regs, unsigned int regnum) 171719a81c14SSteve Longerbeam { 171819a81c14SSteve Longerbeam unsigned int i; 171919a81c14SSteve Longerbeam u32 delay_ms; 172019a81c14SSteve Longerbeam u16 reg_addr; 172119a81c14SSteve Longerbeam u8 mask, val; 172219a81c14SSteve Longerbeam int ret = 0; 172319a81c14SSteve Longerbeam 1724e4359019SJacopo Mondi for (i = 0; i < regnum; ++i, ++regs) { 172519a81c14SSteve Longerbeam delay_ms = regs->delay_ms; 172619a81c14SSteve Longerbeam reg_addr = regs->reg_addr; 172719a81c14SSteve Longerbeam val = regs->val; 172819a81c14SSteve Longerbeam mask = regs->mask; 172919a81c14SSteve Longerbeam 17303b987d70SLad Prabhakar /* remain in power down mode for DVP */ 17313b987d70SLad Prabhakar if (regs->reg_addr == OV5640_REG_SYS_CTRL0 && 17323b987d70SLad Prabhakar val == OV5640_REG_SYS_CTRL0_SW_PWUP && 17338e823f5cSJacopo Mondi !ov5640_is_csi2(sensor)) 17343b987d70SLad Prabhakar continue; 17353b987d70SLad Prabhakar 173619a81c14SSteve Longerbeam if (mask) 173719a81c14SSteve Longerbeam ret = ov5640_mod_reg(sensor, reg_addr, mask, val); 173819a81c14SSteve Longerbeam else 173919a81c14SSteve Longerbeam ret = ov5640_write_reg(sensor, reg_addr, val); 174019a81c14SSteve Longerbeam if (ret) 174119a81c14SSteve Longerbeam break; 174219a81c14SSteve Longerbeam 174319a81c14SSteve Longerbeam if (delay_ms) 174419a81c14SSteve Longerbeam usleep_range(1000 * delay_ms, 1000 * delay_ms + 100); 174519a81c14SSteve Longerbeam } 174619a81c14SSteve Longerbeam } 174719a81c14SSteve Longerbeam 1748dc29a1c1SHugues Fruchet static int ov5640_set_autoexposure(struct ov5640_dev *sensor, bool on) 1749dc29a1c1SHugues Fruchet { 1750dc29a1c1SHugues Fruchet return ov5640_mod_reg(sensor, OV5640_REG_AEC_PK_MANUAL, 1751dc29a1c1SHugues Fruchet BIT(0), on ? 0 : BIT(0)); 1752dc29a1c1SHugues Fruchet } 1753dc29a1c1SHugues Fruchet 175419a81c14SSteve Longerbeam /* read exposure, in number of line periods */ 175519a81c14SSteve Longerbeam static int ov5640_get_exposure(struct ov5640_dev *sensor) 175619a81c14SSteve Longerbeam { 175719a81c14SSteve Longerbeam int exp, ret; 175819a81c14SSteve Longerbeam u8 temp; 175919a81c14SSteve Longerbeam 176019a81c14SSteve Longerbeam ret = ov5640_read_reg(sensor, OV5640_REG_AEC_PK_EXPOSURE_HI, &temp); 176119a81c14SSteve Longerbeam if (ret) 176219a81c14SSteve Longerbeam return ret; 176319a81c14SSteve Longerbeam exp = ((int)temp & 0x0f) << 16; 176419a81c14SSteve Longerbeam ret = ov5640_read_reg(sensor, OV5640_REG_AEC_PK_EXPOSURE_MED, &temp); 176519a81c14SSteve Longerbeam if (ret) 176619a81c14SSteve Longerbeam return ret; 176719a81c14SSteve Longerbeam exp |= ((int)temp << 8); 176819a81c14SSteve Longerbeam ret = ov5640_read_reg(sensor, OV5640_REG_AEC_PK_EXPOSURE_LO, &temp); 176919a81c14SSteve Longerbeam if (ret) 177019a81c14SSteve Longerbeam return ret; 177119a81c14SSteve Longerbeam exp |= (int)temp; 177219a81c14SSteve Longerbeam 177319a81c14SSteve Longerbeam return exp >> 4; 177419a81c14SSteve Longerbeam } 177519a81c14SSteve Longerbeam 177619a81c14SSteve Longerbeam /* write exposure, given number of line periods */ 177719a81c14SSteve Longerbeam static int ov5640_set_exposure(struct ov5640_dev *sensor, u32 exposure) 177819a81c14SSteve Longerbeam { 177919a81c14SSteve Longerbeam int ret; 178019a81c14SSteve Longerbeam 178119a81c14SSteve Longerbeam exposure <<= 4; 178219a81c14SSteve Longerbeam 178319a81c14SSteve Longerbeam ret = ov5640_write_reg(sensor, 178419a81c14SSteve Longerbeam OV5640_REG_AEC_PK_EXPOSURE_LO, 178519a81c14SSteve Longerbeam exposure & 0xff); 178619a81c14SSteve Longerbeam if (ret) 178719a81c14SSteve Longerbeam return ret; 178819a81c14SSteve Longerbeam ret = ov5640_write_reg(sensor, 178919a81c14SSteve Longerbeam OV5640_REG_AEC_PK_EXPOSURE_MED, 179019a81c14SSteve Longerbeam (exposure >> 8) & 0xff); 179119a81c14SSteve Longerbeam if (ret) 179219a81c14SSteve Longerbeam return ret; 179319a81c14SSteve Longerbeam return ov5640_write_reg(sensor, 179419a81c14SSteve Longerbeam OV5640_REG_AEC_PK_EXPOSURE_HI, 179519a81c14SSteve Longerbeam (exposure >> 16) & 0x0f); 179619a81c14SSteve Longerbeam } 179719a81c14SSteve Longerbeam 179819a81c14SSteve Longerbeam static int ov5640_get_gain(struct ov5640_dev *sensor) 179919a81c14SSteve Longerbeam { 180019a81c14SSteve Longerbeam u16 gain; 180119a81c14SSteve Longerbeam int ret; 180219a81c14SSteve Longerbeam 180319a81c14SSteve Longerbeam ret = ov5640_read_reg16(sensor, OV5640_REG_AEC_PK_REAL_GAIN, &gain); 180419a81c14SSteve Longerbeam if (ret) 180519a81c14SSteve Longerbeam return ret; 180619a81c14SSteve Longerbeam 180719a81c14SSteve Longerbeam return gain & 0x3ff; 180819a81c14SSteve Longerbeam } 180919a81c14SSteve Longerbeam 18103cca8ef5SHugues Fruchet static int ov5640_set_gain(struct ov5640_dev *sensor, int gain) 18113cca8ef5SHugues Fruchet { 18123cca8ef5SHugues Fruchet return ov5640_write_reg16(sensor, OV5640_REG_AEC_PK_REAL_GAIN, 18133cca8ef5SHugues Fruchet (u16)gain & 0x3ff); 18143cca8ef5SHugues Fruchet } 18153cca8ef5SHugues Fruchet 18163cca8ef5SHugues Fruchet static int ov5640_set_autogain(struct ov5640_dev *sensor, bool on) 18173cca8ef5SHugues Fruchet { 18183cca8ef5SHugues Fruchet return ov5640_mod_reg(sensor, OV5640_REG_AEC_PK_MANUAL, 18193cca8ef5SHugues Fruchet BIT(1), on ? 0 : BIT(1)); 18203cca8ef5SHugues Fruchet } 18213cca8ef5SHugues Fruchet 1822f22996dbSHugues Fruchet static int ov5640_set_stream_dvp(struct ov5640_dev *sensor, bool on) 1823f22996dbSHugues Fruchet { 18243b987d70SLad Prabhakar return ov5640_write_reg(sensor, OV5640_REG_SYS_CTRL0, on ? 18253b987d70SLad Prabhakar OV5640_REG_SYS_CTRL0_SW_PWUP : 18263b987d70SLad Prabhakar OV5640_REG_SYS_CTRL0_SW_PWDN); 1827f22996dbSHugues Fruchet } 1828f22996dbSHugues Fruchet 1829f22996dbSHugues Fruchet static int ov5640_set_stream_mipi(struct ov5640_dev *sensor, bool on) 183019a81c14SSteve Longerbeam { 183119a81c14SSteve Longerbeam int ret; 183219a81c14SSteve Longerbeam 1833aa4bb8b8SJacopo Mondi /* 1834aa4bb8b8SJacopo Mondi * Enable/disable the MIPI interface 1835aa4bb8b8SJacopo Mondi * 1836aa4bb8b8SJacopo Mondi * 0x300e = on ? 0x45 : 0x40 1837aa4bb8b8SJacopo Mondi * 1838aa4bb8b8SJacopo Mondi * FIXME: the sensor manual (version 2.03) reports 1839aa4bb8b8SJacopo Mondi * [7:5] = 000 : 1 data lane mode 1840aa4bb8b8SJacopo Mondi * [7:5] = 001 : 2 data lanes mode 1841aa4bb8b8SJacopo Mondi * But this settings do not work, while the following ones 1842aa4bb8b8SJacopo Mondi * have been validated for 2 data lanes mode. 1843aa4bb8b8SJacopo Mondi * 1844aa4bb8b8SJacopo Mondi * [7:5] = 010 : 2 data lanes mode 1845aa4bb8b8SJacopo Mondi * [4] = 0 : Power up MIPI HS Tx 1846aa4bb8b8SJacopo Mondi * [3] = 0 : Power up MIPI LS Rx 1847aa4bb8b8SJacopo Mondi * [2] = 1/0 : MIPI interface enable/disable 1848aa4bb8b8SJacopo Mondi * [1:0] = 01/00: FIXME: 'debug' 1849aa4bb8b8SJacopo Mondi */ 1850aa4bb8b8SJacopo Mondi ret = ov5640_write_reg(sensor, OV5640_REG_IO_MIPI_CTRL00, 1851aa4bb8b8SJacopo Mondi on ? 0x45 : 0x40); 185219a81c14SSteve Longerbeam if (ret) 185319a81c14SSteve Longerbeam return ret; 185419a81c14SSteve Longerbeam 185519a81c14SSteve Longerbeam return ov5640_write_reg(sensor, OV5640_REG_FRAME_CTRL01, 185619a81c14SSteve Longerbeam on ? 0x00 : 0x0f); 185719a81c14SSteve Longerbeam } 185819a81c14SSteve Longerbeam 185919a81c14SSteve Longerbeam static int ov5640_get_sysclk(struct ov5640_dev *sensor) 186019a81c14SSteve Longerbeam { 186119a81c14SSteve Longerbeam /* calculate sysclk */ 186219a81c14SSteve Longerbeam u32 xvclk = sensor->xclk_freq / 10000; 186319a81c14SSteve Longerbeam u32 multiplier, prediv, VCO, sysdiv, pll_rdiv; 186419a81c14SSteve Longerbeam u32 sclk_rdiv_map[] = {1, 2, 4, 8}; 186519a81c14SSteve Longerbeam u32 bit_div2x = 1, sclk_rdiv, sysclk; 186619a81c14SSteve Longerbeam u8 temp1, temp2; 186719a81c14SSteve Longerbeam int ret; 186819a81c14SSteve Longerbeam 186919a81c14SSteve Longerbeam ret = ov5640_read_reg(sensor, OV5640_REG_SC_PLL_CTRL0, &temp1); 187019a81c14SSteve Longerbeam if (ret) 187119a81c14SSteve Longerbeam return ret; 187219a81c14SSteve Longerbeam temp2 = temp1 & 0x0f; 187319a81c14SSteve Longerbeam if (temp2 == 8 || temp2 == 10) 187419a81c14SSteve Longerbeam bit_div2x = temp2 / 2; 187519a81c14SSteve Longerbeam 187619a81c14SSteve Longerbeam ret = ov5640_read_reg(sensor, OV5640_REG_SC_PLL_CTRL1, &temp1); 187719a81c14SSteve Longerbeam if (ret) 187819a81c14SSteve Longerbeam return ret; 187919a81c14SSteve Longerbeam sysdiv = temp1 >> 4; 188019a81c14SSteve Longerbeam if (sysdiv == 0) 188119a81c14SSteve Longerbeam sysdiv = 16; 188219a81c14SSteve Longerbeam 188319a81c14SSteve Longerbeam ret = ov5640_read_reg(sensor, OV5640_REG_SC_PLL_CTRL2, &temp1); 188419a81c14SSteve Longerbeam if (ret) 188519a81c14SSteve Longerbeam return ret; 188619a81c14SSteve Longerbeam multiplier = temp1; 188719a81c14SSteve Longerbeam 188819a81c14SSteve Longerbeam ret = ov5640_read_reg(sensor, OV5640_REG_SC_PLL_CTRL3, &temp1); 188919a81c14SSteve Longerbeam if (ret) 189019a81c14SSteve Longerbeam return ret; 189119a81c14SSteve Longerbeam prediv = temp1 & 0x0f; 189219a81c14SSteve Longerbeam pll_rdiv = ((temp1 >> 4) & 0x01) + 1; 189319a81c14SSteve Longerbeam 189419a81c14SSteve Longerbeam ret = ov5640_read_reg(sensor, OV5640_REG_SYS_ROOT_DIVIDER, &temp1); 189519a81c14SSteve Longerbeam if (ret) 189619a81c14SSteve Longerbeam return ret; 189719a81c14SSteve Longerbeam temp2 = temp1 & 0x03; 189819a81c14SSteve Longerbeam sclk_rdiv = sclk_rdiv_map[temp2]; 189919a81c14SSteve Longerbeam 190019a81c14SSteve Longerbeam if (!prediv || !sysdiv || !pll_rdiv || !bit_div2x) 190119a81c14SSteve Longerbeam return -EINVAL; 190219a81c14SSteve Longerbeam 190319a81c14SSteve Longerbeam VCO = xvclk * multiplier / prediv; 190419a81c14SSteve Longerbeam 190519a81c14SSteve Longerbeam sysclk = VCO / sysdiv / pll_rdiv * 2 / bit_div2x / sclk_rdiv; 190619a81c14SSteve Longerbeam 190719a81c14SSteve Longerbeam return sysclk; 190819a81c14SSteve Longerbeam } 190919a81c14SSteve Longerbeam 191019a81c14SSteve Longerbeam static int ov5640_set_night_mode(struct ov5640_dev *sensor) 191119a81c14SSteve Longerbeam { 191219a81c14SSteve Longerbeam /* read HTS from register settings */ 191319a81c14SSteve Longerbeam u8 mode; 191419a81c14SSteve Longerbeam int ret; 191519a81c14SSteve Longerbeam 191619a81c14SSteve Longerbeam ret = ov5640_read_reg(sensor, OV5640_REG_AEC_CTRL00, &mode); 191719a81c14SSteve Longerbeam if (ret) 191819a81c14SSteve Longerbeam return ret; 191919a81c14SSteve Longerbeam mode &= 0xfb; 192019a81c14SSteve Longerbeam return ov5640_write_reg(sensor, OV5640_REG_AEC_CTRL00, mode); 192119a81c14SSteve Longerbeam } 192219a81c14SSteve Longerbeam 192319a81c14SSteve Longerbeam static int ov5640_get_hts(struct ov5640_dev *sensor) 192419a81c14SSteve Longerbeam { 192519a81c14SSteve Longerbeam /* read HTS from register settings */ 192619a81c14SSteve Longerbeam u16 hts; 192719a81c14SSteve Longerbeam int ret; 192819a81c14SSteve Longerbeam 192919a81c14SSteve Longerbeam ret = ov5640_read_reg16(sensor, OV5640_REG_TIMING_HTS, &hts); 193019a81c14SSteve Longerbeam if (ret) 193119a81c14SSteve Longerbeam return ret; 193219a81c14SSteve Longerbeam return hts; 193319a81c14SSteve Longerbeam } 193419a81c14SSteve Longerbeam 193519a81c14SSteve Longerbeam static int ov5640_get_vts(struct ov5640_dev *sensor) 193619a81c14SSteve Longerbeam { 193719a81c14SSteve Longerbeam u16 vts; 193819a81c14SSteve Longerbeam int ret; 193919a81c14SSteve Longerbeam 194019a81c14SSteve Longerbeam ret = ov5640_read_reg16(sensor, OV5640_REG_TIMING_VTS, &vts); 194119a81c14SSteve Longerbeam if (ret) 194219a81c14SSteve Longerbeam return ret; 194319a81c14SSteve Longerbeam return vts; 194419a81c14SSteve Longerbeam } 194519a81c14SSteve Longerbeam 194619a81c14SSteve Longerbeam static int ov5640_set_vts(struct ov5640_dev *sensor, int vts) 194719a81c14SSteve Longerbeam { 194819a81c14SSteve Longerbeam return ov5640_write_reg16(sensor, OV5640_REG_TIMING_VTS, vts); 194919a81c14SSteve Longerbeam } 195019a81c14SSteve Longerbeam 195119a81c14SSteve Longerbeam static int ov5640_get_light_freq(struct ov5640_dev *sensor) 195219a81c14SSteve Longerbeam { 195319a81c14SSteve Longerbeam /* get banding filter value */ 195419a81c14SSteve Longerbeam int ret, light_freq = 0; 195519a81c14SSteve Longerbeam u8 temp, temp1; 195619a81c14SSteve Longerbeam 195719a81c14SSteve Longerbeam ret = ov5640_read_reg(sensor, OV5640_REG_HZ5060_CTRL01, &temp); 195819a81c14SSteve Longerbeam if (ret) 195919a81c14SSteve Longerbeam return ret; 196019a81c14SSteve Longerbeam 196119a81c14SSteve Longerbeam if (temp & 0x80) { 196219a81c14SSteve Longerbeam /* manual */ 196319a81c14SSteve Longerbeam ret = ov5640_read_reg(sensor, OV5640_REG_HZ5060_CTRL00, 196419a81c14SSteve Longerbeam &temp1); 196519a81c14SSteve Longerbeam if (ret) 196619a81c14SSteve Longerbeam return ret; 196719a81c14SSteve Longerbeam if (temp1 & 0x04) { 196819a81c14SSteve Longerbeam /* 50Hz */ 196919a81c14SSteve Longerbeam light_freq = 50; 197019a81c14SSteve Longerbeam } else { 197119a81c14SSteve Longerbeam /* 60Hz */ 197219a81c14SSteve Longerbeam light_freq = 60; 197319a81c14SSteve Longerbeam } 197419a81c14SSteve Longerbeam } else { 197519a81c14SSteve Longerbeam /* auto */ 197619a81c14SSteve Longerbeam ret = ov5640_read_reg(sensor, OV5640_REG_SIGMADELTA_CTRL0C, 197719a81c14SSteve Longerbeam &temp1); 197819a81c14SSteve Longerbeam if (ret) 197919a81c14SSteve Longerbeam return ret; 198019a81c14SSteve Longerbeam 198119a81c14SSteve Longerbeam if (temp1 & 0x01) { 198219a81c14SSteve Longerbeam /* 50Hz */ 198319a81c14SSteve Longerbeam light_freq = 50; 198419a81c14SSteve Longerbeam } else { 198519a81c14SSteve Longerbeam /* 60Hz */ 198619a81c14SSteve Longerbeam } 198719a81c14SSteve Longerbeam } 198819a81c14SSteve Longerbeam 198919a81c14SSteve Longerbeam return light_freq; 199019a81c14SSteve Longerbeam } 199119a81c14SSteve Longerbeam 199219a81c14SSteve Longerbeam static int ov5640_set_bandingfilter(struct ov5640_dev *sensor) 199319a81c14SSteve Longerbeam { 199419a81c14SSteve Longerbeam u32 band_step60, max_band60, band_step50, max_band50, prev_vts; 199519a81c14SSteve Longerbeam int ret; 199619a81c14SSteve Longerbeam 199719a81c14SSteve Longerbeam /* read preview PCLK */ 199819a81c14SSteve Longerbeam ret = ov5640_get_sysclk(sensor); 199919a81c14SSteve Longerbeam if (ret < 0) 200019a81c14SSteve Longerbeam return ret; 200119a81c14SSteve Longerbeam if (ret == 0) 200219a81c14SSteve Longerbeam return -EINVAL; 200319a81c14SSteve Longerbeam sensor->prev_sysclk = ret; 200419a81c14SSteve Longerbeam /* read preview HTS */ 200519a81c14SSteve Longerbeam ret = ov5640_get_hts(sensor); 200619a81c14SSteve Longerbeam if (ret < 0) 200719a81c14SSteve Longerbeam return ret; 200819a81c14SSteve Longerbeam if (ret == 0) 200919a81c14SSteve Longerbeam return -EINVAL; 201019a81c14SSteve Longerbeam sensor->prev_hts = ret; 201119a81c14SSteve Longerbeam 201219a81c14SSteve Longerbeam /* read preview VTS */ 201319a81c14SSteve Longerbeam ret = ov5640_get_vts(sensor); 201419a81c14SSteve Longerbeam if (ret < 0) 201519a81c14SSteve Longerbeam return ret; 201619a81c14SSteve Longerbeam prev_vts = ret; 201719a81c14SSteve Longerbeam 201819a81c14SSteve Longerbeam /* calculate banding filter */ 201919a81c14SSteve Longerbeam /* 60Hz */ 202019a81c14SSteve Longerbeam band_step60 = sensor->prev_sysclk * 100 / sensor->prev_hts * 100 / 120; 202119a81c14SSteve Longerbeam ret = ov5640_write_reg16(sensor, OV5640_REG_AEC_B60_STEP, band_step60); 202219a81c14SSteve Longerbeam if (ret) 202319a81c14SSteve Longerbeam return ret; 202419a81c14SSteve Longerbeam if (!band_step60) 202519a81c14SSteve Longerbeam return -EINVAL; 202619a81c14SSteve Longerbeam max_band60 = (int)((prev_vts - 4) / band_step60); 202719a81c14SSteve Longerbeam ret = ov5640_write_reg(sensor, OV5640_REG_AEC_CTRL0D, max_band60); 202819a81c14SSteve Longerbeam if (ret) 202919a81c14SSteve Longerbeam return ret; 203019a81c14SSteve Longerbeam 203119a81c14SSteve Longerbeam /* 50Hz */ 203219a81c14SSteve Longerbeam band_step50 = sensor->prev_sysclk * 100 / sensor->prev_hts; 203319a81c14SSteve Longerbeam ret = ov5640_write_reg16(sensor, OV5640_REG_AEC_B50_STEP, band_step50); 203419a81c14SSteve Longerbeam if (ret) 203519a81c14SSteve Longerbeam return ret; 203619a81c14SSteve Longerbeam if (!band_step50) 203719a81c14SSteve Longerbeam return -EINVAL; 203819a81c14SSteve Longerbeam max_band50 = (int)((prev_vts - 4) / band_step50); 203919a81c14SSteve Longerbeam return ov5640_write_reg(sensor, OV5640_REG_AEC_CTRL0E, max_band50); 204019a81c14SSteve Longerbeam } 204119a81c14SSteve Longerbeam 204219a81c14SSteve Longerbeam static int ov5640_set_ae_target(struct ov5640_dev *sensor, int target) 204319a81c14SSteve Longerbeam { 204419a81c14SSteve Longerbeam /* stable in high */ 204519a81c14SSteve Longerbeam u32 fast_high, fast_low; 204619a81c14SSteve Longerbeam int ret; 204719a81c14SSteve Longerbeam 204819a81c14SSteve Longerbeam sensor->ae_low = target * 23 / 25; /* 0.92 */ 204919a81c14SSteve Longerbeam sensor->ae_high = target * 27 / 25; /* 1.08 */ 205019a81c14SSteve Longerbeam 205119a81c14SSteve Longerbeam fast_high = sensor->ae_high << 1; 205219a81c14SSteve Longerbeam if (fast_high > 255) 205319a81c14SSteve Longerbeam fast_high = 255; 205419a81c14SSteve Longerbeam 205519a81c14SSteve Longerbeam fast_low = sensor->ae_low >> 1; 205619a81c14SSteve Longerbeam 205719a81c14SSteve Longerbeam ret = ov5640_write_reg(sensor, OV5640_REG_AEC_CTRL0F, sensor->ae_high); 205819a81c14SSteve Longerbeam if (ret) 205919a81c14SSteve Longerbeam return ret; 206019a81c14SSteve Longerbeam ret = ov5640_write_reg(sensor, OV5640_REG_AEC_CTRL10, sensor->ae_low); 206119a81c14SSteve Longerbeam if (ret) 206219a81c14SSteve Longerbeam return ret; 206319a81c14SSteve Longerbeam ret = ov5640_write_reg(sensor, OV5640_REG_AEC_CTRL1B, sensor->ae_high); 206419a81c14SSteve Longerbeam if (ret) 206519a81c14SSteve Longerbeam return ret; 206619a81c14SSteve Longerbeam ret = ov5640_write_reg(sensor, OV5640_REG_AEC_CTRL1E, sensor->ae_low); 206719a81c14SSteve Longerbeam if (ret) 206819a81c14SSteve Longerbeam return ret; 206919a81c14SSteve Longerbeam ret = ov5640_write_reg(sensor, OV5640_REG_AEC_CTRL11, fast_high); 207019a81c14SSteve Longerbeam if (ret) 207119a81c14SSteve Longerbeam return ret; 207219a81c14SSteve Longerbeam return ov5640_write_reg(sensor, OV5640_REG_AEC_CTRL1F, fast_low); 207319a81c14SSteve Longerbeam } 207419a81c14SSteve Longerbeam 2075c2c3f42dSHugues Fruchet static int ov5640_get_binning(struct ov5640_dev *sensor) 207619a81c14SSteve Longerbeam { 207719a81c14SSteve Longerbeam u8 temp; 207819a81c14SSteve Longerbeam int ret; 207919a81c14SSteve Longerbeam 208019a81c14SSteve Longerbeam ret = ov5640_read_reg(sensor, OV5640_REG_TIMING_TC_REG21, &temp); 208119a81c14SSteve Longerbeam if (ret) 208219a81c14SSteve Longerbeam return ret; 2083c2c3f42dSHugues Fruchet 2084c2c3f42dSHugues Fruchet return temp & BIT(0); 208519a81c14SSteve Longerbeam } 208619a81c14SSteve Longerbeam 2087ce85705aSHugues Fruchet static int ov5640_set_binning(struct ov5640_dev *sensor, bool enable) 2088ce85705aSHugues Fruchet { 2089ce85705aSHugues Fruchet int ret; 2090ce85705aSHugues Fruchet 2091ce85705aSHugues Fruchet /* 2092ce85705aSHugues Fruchet * TIMING TC REG21: 2093ce85705aSHugues Fruchet * - [0]: Horizontal binning enable 2094ce85705aSHugues Fruchet */ 2095ce85705aSHugues Fruchet ret = ov5640_mod_reg(sensor, OV5640_REG_TIMING_TC_REG21, 2096ce85705aSHugues Fruchet BIT(0), enable ? BIT(0) : 0); 2097ce85705aSHugues Fruchet if (ret) 2098ce85705aSHugues Fruchet return ret; 2099ce85705aSHugues Fruchet /* 2100ce85705aSHugues Fruchet * TIMING TC REG20: 2101ce85705aSHugues Fruchet * - [0]: Undocumented, but hardcoded init sequences 2102ce85705aSHugues Fruchet * are always setting REG21/REG20 bit 0 to same value... 2103ce85705aSHugues Fruchet */ 2104ce85705aSHugues Fruchet return ov5640_mod_reg(sensor, OV5640_REG_TIMING_TC_REG20, 2105ce85705aSHugues Fruchet BIT(0), enable ? BIT(0) : 0); 2106ce85705aSHugues Fruchet } 2107ce85705aSHugues Fruchet 210819a81c14SSteve Longerbeam static int ov5640_set_virtual_channel(struct ov5640_dev *sensor) 210919a81c14SSteve Longerbeam { 21108670d70aSHugues Fruchet struct i2c_client *client = sensor->i2c_client; 211119a81c14SSteve Longerbeam u8 temp, channel = virtual_channel; 211219a81c14SSteve Longerbeam int ret; 211319a81c14SSteve Longerbeam 21148670d70aSHugues Fruchet if (channel > 3) { 21158670d70aSHugues Fruchet dev_err(&client->dev, 21168670d70aSHugues Fruchet "%s: wrong virtual_channel parameter, expected (0..3), got %d\n", 21178670d70aSHugues Fruchet __func__, channel); 211819a81c14SSteve Longerbeam return -EINVAL; 21198670d70aSHugues Fruchet } 212019a81c14SSteve Longerbeam 212119a81c14SSteve Longerbeam ret = ov5640_read_reg(sensor, OV5640_REG_DEBUG_MODE, &temp); 212219a81c14SSteve Longerbeam if (ret) 212319a81c14SSteve Longerbeam return ret; 212419a81c14SSteve Longerbeam temp &= ~(3 << 6); 212519a81c14SSteve Longerbeam temp |= (channel << 6); 212619a81c14SSteve Longerbeam return ov5640_write_reg(sensor, OV5640_REG_DEBUG_MODE, temp); 212719a81c14SSteve Longerbeam } 212819a81c14SSteve Longerbeam 212919a81c14SSteve Longerbeam static const struct ov5640_mode_info * 2130b6ae5022SJacopo Mondi ov5640_find_mode(struct ov5640_dev *sensor, int width, int height, bool nearest) 213119a81c14SSteve Longerbeam { 21323c4a7372SHugues Fruchet const struct ov5640_mode_info *mode; 213319a81c14SSteve Longerbeam 2134086c25f8SMaxime Ripard mode = v4l2_find_nearest_size(ov5640_mode_data, 2135086c25f8SMaxime Ripard ARRAY_SIZE(ov5640_mode_data), 21365113d5b3SJacopo Mondi width, height, width, height); 213719a81c14SSteve Longerbeam 21383c4a7372SHugues Fruchet if (!mode || 21393145efcdSJacopo Mondi (!nearest && 21405113d5b3SJacopo Mondi (mode->width != width || mode->height != height))) 21413c4a7372SHugues Fruchet return NULL; 214219a81c14SSteve Longerbeam 214319a81c14SSteve Longerbeam return mode; 214419a81c14SSteve Longerbeam } 214519a81c14SSteve Longerbeam 214619a81c14SSteve Longerbeam /* 214719a81c14SSteve Longerbeam * sensor changes between scaling and subsampling, go through 214819a81c14SSteve Longerbeam * exposure calculation 214919a81c14SSteve Longerbeam */ 215041d8d7f5SHugues Fruchet static int ov5640_set_mode_exposure_calc(struct ov5640_dev *sensor, 215141d8d7f5SHugues Fruchet const struct ov5640_mode_info *mode) 215219a81c14SSteve Longerbeam { 215319a81c14SSteve Longerbeam u32 prev_shutter, prev_gain16; 215419a81c14SSteve Longerbeam u32 cap_shutter, cap_gain16; 215519a81c14SSteve Longerbeam u32 cap_sysclk, cap_hts, cap_vts; 215619a81c14SSteve Longerbeam u32 light_freq, cap_bandfilt, cap_maxband; 215719a81c14SSteve Longerbeam u32 cap_gain16_shutter; 215819a81c14SSteve Longerbeam u8 average; 215919a81c14SSteve Longerbeam int ret; 216019a81c14SSteve Longerbeam 216141d8d7f5SHugues Fruchet if (!mode->reg_data) 216219a81c14SSteve Longerbeam return -EINVAL; 216319a81c14SSteve Longerbeam 216419a81c14SSteve Longerbeam /* read preview shutter */ 216519a81c14SSteve Longerbeam ret = ov5640_get_exposure(sensor); 216619a81c14SSteve Longerbeam if (ret < 0) 216719a81c14SSteve Longerbeam return ret; 216819a81c14SSteve Longerbeam prev_shutter = ret; 2169c2c3f42dSHugues Fruchet ret = ov5640_get_binning(sensor); 217019a81c14SSteve Longerbeam if (ret < 0) 217119a81c14SSteve Longerbeam return ret; 217219a81c14SSteve Longerbeam if (ret && mode->id != OV5640_MODE_720P_1280_720 && 217319a81c14SSteve Longerbeam mode->id != OV5640_MODE_1080P_1920_1080) 217419a81c14SSteve Longerbeam prev_shutter *= 2; 217519a81c14SSteve Longerbeam 217619a81c14SSteve Longerbeam /* read preview gain */ 217719a81c14SSteve Longerbeam ret = ov5640_get_gain(sensor); 217819a81c14SSteve Longerbeam if (ret < 0) 217919a81c14SSteve Longerbeam return ret; 218019a81c14SSteve Longerbeam prev_gain16 = ret; 218119a81c14SSteve Longerbeam 218219a81c14SSteve Longerbeam /* get average */ 218319a81c14SSteve Longerbeam ret = ov5640_read_reg(sensor, OV5640_REG_AVG_READOUT, &average); 218419a81c14SSteve Longerbeam if (ret) 218519a81c14SSteve Longerbeam return ret; 218619a81c14SSteve Longerbeam 218719a81c14SSteve Longerbeam /* turn off night mode for capture */ 218819a81c14SSteve Longerbeam ret = ov5640_set_night_mode(sensor); 218919a81c14SSteve Longerbeam if (ret < 0) 219019a81c14SSteve Longerbeam return ret; 219119a81c14SSteve Longerbeam 219219a81c14SSteve Longerbeam /* Write capture setting */ 2193e4359019SJacopo Mondi ov5640_load_regs(sensor, mode->reg_data, mode->reg_data_size); 2194e4359019SJacopo Mondi ret = ov5640_set_timings(sensor, mode); 219519a81c14SSteve Longerbeam if (ret < 0) 219619a81c14SSteve Longerbeam return ret; 219719a81c14SSteve Longerbeam 219819a81c14SSteve Longerbeam /* read capture VTS */ 219919a81c14SSteve Longerbeam ret = ov5640_get_vts(sensor); 220019a81c14SSteve Longerbeam if (ret < 0) 220119a81c14SSteve Longerbeam return ret; 220219a81c14SSteve Longerbeam cap_vts = ret; 220319a81c14SSteve Longerbeam ret = ov5640_get_hts(sensor); 220419a81c14SSteve Longerbeam if (ret < 0) 220519a81c14SSteve Longerbeam return ret; 220619a81c14SSteve Longerbeam if (ret == 0) 220719a81c14SSteve Longerbeam return -EINVAL; 220819a81c14SSteve Longerbeam cap_hts = ret; 220919a81c14SSteve Longerbeam 221019a81c14SSteve Longerbeam ret = ov5640_get_sysclk(sensor); 221119a81c14SSteve Longerbeam if (ret < 0) 221219a81c14SSteve Longerbeam return ret; 221319a81c14SSteve Longerbeam if (ret == 0) 221419a81c14SSteve Longerbeam return -EINVAL; 221519a81c14SSteve Longerbeam cap_sysclk = ret; 221619a81c14SSteve Longerbeam 221719a81c14SSteve Longerbeam /* calculate capture banding filter */ 221819a81c14SSteve Longerbeam ret = ov5640_get_light_freq(sensor); 221919a81c14SSteve Longerbeam if (ret < 0) 222019a81c14SSteve Longerbeam return ret; 222119a81c14SSteve Longerbeam light_freq = ret; 222219a81c14SSteve Longerbeam 222319a81c14SSteve Longerbeam if (light_freq == 60) { 222419a81c14SSteve Longerbeam /* 60Hz */ 222519a81c14SSteve Longerbeam cap_bandfilt = cap_sysclk * 100 / cap_hts * 100 / 120; 222619a81c14SSteve Longerbeam } else { 222719a81c14SSteve Longerbeam /* 50Hz */ 222819a81c14SSteve Longerbeam cap_bandfilt = cap_sysclk * 100 / cap_hts; 222919a81c14SSteve Longerbeam } 223019a81c14SSteve Longerbeam 223119a81c14SSteve Longerbeam if (!sensor->prev_sysclk) { 223219a81c14SSteve Longerbeam ret = ov5640_get_sysclk(sensor); 223319a81c14SSteve Longerbeam if (ret < 0) 223419a81c14SSteve Longerbeam return ret; 223519a81c14SSteve Longerbeam if (ret == 0) 223619a81c14SSteve Longerbeam return -EINVAL; 223719a81c14SSteve Longerbeam sensor->prev_sysclk = ret; 223819a81c14SSteve Longerbeam } 223919a81c14SSteve Longerbeam 224019a81c14SSteve Longerbeam if (!cap_bandfilt) 224119a81c14SSteve Longerbeam return -EINVAL; 224219a81c14SSteve Longerbeam 224319a81c14SSteve Longerbeam cap_maxband = (int)((cap_vts - 4) / cap_bandfilt); 224419a81c14SSteve Longerbeam 224519a81c14SSteve Longerbeam /* calculate capture shutter/gain16 */ 224619a81c14SSteve Longerbeam if (average > sensor->ae_low && average < sensor->ae_high) { 224719a81c14SSteve Longerbeam /* in stable range */ 224819a81c14SSteve Longerbeam cap_gain16_shutter = 224919a81c14SSteve Longerbeam prev_gain16 * prev_shutter * 225019a81c14SSteve Longerbeam cap_sysclk / sensor->prev_sysclk * 225119a81c14SSteve Longerbeam sensor->prev_hts / cap_hts * 225219a81c14SSteve Longerbeam sensor->ae_target / average; 225319a81c14SSteve Longerbeam } else { 225419a81c14SSteve Longerbeam cap_gain16_shutter = 225519a81c14SSteve Longerbeam prev_gain16 * prev_shutter * 225619a81c14SSteve Longerbeam cap_sysclk / sensor->prev_sysclk * 225719a81c14SSteve Longerbeam sensor->prev_hts / cap_hts; 225819a81c14SSteve Longerbeam } 225919a81c14SSteve Longerbeam 226019a81c14SSteve Longerbeam /* gain to shutter */ 226119a81c14SSteve Longerbeam if (cap_gain16_shutter < (cap_bandfilt * 16)) { 226219a81c14SSteve Longerbeam /* shutter < 1/100 */ 226319a81c14SSteve Longerbeam cap_shutter = cap_gain16_shutter / 16; 226419a81c14SSteve Longerbeam if (cap_shutter < 1) 226519a81c14SSteve Longerbeam cap_shutter = 1; 226619a81c14SSteve Longerbeam 226719a81c14SSteve Longerbeam cap_gain16 = cap_gain16_shutter / cap_shutter; 226819a81c14SSteve Longerbeam if (cap_gain16 < 16) 226919a81c14SSteve Longerbeam cap_gain16 = 16; 227019a81c14SSteve Longerbeam } else { 227119a81c14SSteve Longerbeam if (cap_gain16_shutter > (cap_bandfilt * cap_maxband * 16)) { 227219a81c14SSteve Longerbeam /* exposure reach max */ 227319a81c14SSteve Longerbeam cap_shutter = cap_bandfilt * cap_maxband; 227419a81c14SSteve Longerbeam if (!cap_shutter) 227519a81c14SSteve Longerbeam return -EINVAL; 227619a81c14SSteve Longerbeam 227719a81c14SSteve Longerbeam cap_gain16 = cap_gain16_shutter / cap_shutter; 227819a81c14SSteve Longerbeam } else { 227919a81c14SSteve Longerbeam /* 1/100 < (cap_shutter = n/100) =< max */ 228019a81c14SSteve Longerbeam cap_shutter = 228119a81c14SSteve Longerbeam ((int)(cap_gain16_shutter / 16 / cap_bandfilt)) 228219a81c14SSteve Longerbeam * cap_bandfilt; 228319a81c14SSteve Longerbeam if (!cap_shutter) 228419a81c14SSteve Longerbeam return -EINVAL; 228519a81c14SSteve Longerbeam 228619a81c14SSteve Longerbeam cap_gain16 = cap_gain16_shutter / cap_shutter; 228719a81c14SSteve Longerbeam } 228819a81c14SSteve Longerbeam } 228919a81c14SSteve Longerbeam 229019a81c14SSteve Longerbeam /* set capture gain */ 22913cca8ef5SHugues Fruchet ret = ov5640_set_gain(sensor, cap_gain16); 229219a81c14SSteve Longerbeam if (ret) 229319a81c14SSteve Longerbeam return ret; 229419a81c14SSteve Longerbeam 229519a81c14SSteve Longerbeam /* write capture shutter */ 229619a81c14SSteve Longerbeam if (cap_shutter > (cap_vts - 4)) { 229719a81c14SSteve Longerbeam cap_vts = cap_shutter + 4; 229819a81c14SSteve Longerbeam ret = ov5640_set_vts(sensor, cap_vts); 229919a81c14SSteve Longerbeam if (ret < 0) 230019a81c14SSteve Longerbeam return ret; 230119a81c14SSteve Longerbeam } 230219a81c14SSteve Longerbeam 230319a81c14SSteve Longerbeam /* set exposure */ 23043cca8ef5SHugues Fruchet return ov5640_set_exposure(sensor, cap_shutter); 230519a81c14SSteve Longerbeam } 230619a81c14SSteve Longerbeam 230719a81c14SSteve Longerbeam /* 230819a81c14SSteve Longerbeam * if sensor changes inside scaling or subsampling 230919a81c14SSteve Longerbeam * change mode directly 231019a81c14SSteve Longerbeam */ 231119a81c14SSteve Longerbeam static int ov5640_set_mode_direct(struct ov5640_dev *sensor, 23123cca8ef5SHugues Fruchet const struct ov5640_mode_info *mode) 231319a81c14SSteve Longerbeam { 231441d8d7f5SHugues Fruchet if (!mode->reg_data) 231519a81c14SSteve Longerbeam return -EINVAL; 231619a81c14SSteve Longerbeam 231719a81c14SSteve Longerbeam /* Write capture setting */ 2318e4359019SJacopo Mondi ov5640_load_regs(sensor, mode->reg_data, mode->reg_data_size); 2319e4359019SJacopo Mondi return ov5640_set_timings(sensor, mode); 232019a81c14SSteve Longerbeam } 232119a81c14SSteve Longerbeam 2322985cdcb0SHugues Fruchet static int ov5640_set_mode(struct ov5640_dev *sensor) 232319a81c14SSteve Longerbeam { 232419a81c14SSteve Longerbeam const struct ov5640_mode_info *mode = sensor->current_mode; 2325985cdcb0SHugues Fruchet const struct ov5640_mode_info *orig_mode = sensor->last_mode; 232619a81c14SSteve Longerbeam enum ov5640_downsize_mode dn_mode, orig_dn_mode; 23273cca8ef5SHugues Fruchet bool auto_gain = sensor->ctrls.auto_gain->val == 1; 2328dc29a1c1SHugues Fruchet bool auto_exp = sensor->ctrls.auto_exp->val == V4L2_EXPOSURE_AUTO; 232919a81c14SSteve Longerbeam int ret; 233019a81c14SSteve Longerbeam 233119a81c14SSteve Longerbeam dn_mode = mode->dn_mode; 233219a81c14SSteve Longerbeam orig_dn_mode = orig_mode->dn_mode; 233319a81c14SSteve Longerbeam 233419a81c14SSteve Longerbeam /* auto gain and exposure must be turned off when changing modes */ 23353cca8ef5SHugues Fruchet if (auto_gain) { 23363cca8ef5SHugues Fruchet ret = ov5640_set_autogain(sensor, false); 233719a81c14SSteve Longerbeam if (ret) 233819a81c14SSteve Longerbeam return ret; 23393cca8ef5SHugues Fruchet } 2340bf4a4b51SMaxime Ripard 23413cca8ef5SHugues Fruchet if (auto_exp) { 2342dc29a1c1SHugues Fruchet ret = ov5640_set_autoexposure(sensor, false); 234319a81c14SSteve Longerbeam if (ret) 23443cca8ef5SHugues Fruchet goto restore_auto_gain; 23453cca8ef5SHugues Fruchet } 234619a81c14SSteve Longerbeam 23476c957ed7SJacopo Mondi if (ov5640_is_csi2(sensor)) 23486c957ed7SJacopo Mondi ret = ov5640_set_mipi_pclk(sensor); 23496c957ed7SJacopo Mondi else 23506c957ed7SJacopo Mondi ret = ov5640_set_dvp_pclk(sensor); 2351aa288248SMaxime Ripard if (ret < 0) 2352aa288248SMaxime Ripard return 0; 2353aa288248SMaxime Ripard 235419a81c14SSteve Longerbeam if ((dn_mode == SUBSAMPLING && orig_dn_mode == SCALING) || 235519a81c14SSteve Longerbeam (dn_mode == SCALING && orig_dn_mode == SUBSAMPLING)) { 235619a81c14SSteve Longerbeam /* 235719a81c14SSteve Longerbeam * change between subsampling and scaling 23583cca8ef5SHugues Fruchet * go through exposure calculation 235919a81c14SSteve Longerbeam */ 236019a81c14SSteve Longerbeam ret = ov5640_set_mode_exposure_calc(sensor, mode); 236119a81c14SSteve Longerbeam } else { 236219a81c14SSteve Longerbeam /* 236319a81c14SSteve Longerbeam * change inside subsampling or scaling 236419a81c14SSteve Longerbeam * download firmware directly 236519a81c14SSteve Longerbeam */ 23663cca8ef5SHugues Fruchet ret = ov5640_set_mode_direct(sensor, mode); 236719a81c14SSteve Longerbeam } 236819a81c14SSteve Longerbeam if (ret < 0) 23693cca8ef5SHugues Fruchet goto restore_auto_exp_gain; 23703cca8ef5SHugues Fruchet 23713cca8ef5SHugues Fruchet /* restore auto gain and exposure */ 23723cca8ef5SHugues Fruchet if (auto_gain) 23733cca8ef5SHugues Fruchet ov5640_set_autogain(sensor, true); 23743cca8ef5SHugues Fruchet if (auto_exp) 23753cca8ef5SHugues Fruchet ov5640_set_autoexposure(sensor, true); 237619a81c14SSteve Longerbeam 2377ce85705aSHugues Fruchet ret = ov5640_set_binning(sensor, dn_mode != SCALING); 2378ce85705aSHugues Fruchet if (ret < 0) 2379ce85705aSHugues Fruchet return ret; 238019a81c14SSteve Longerbeam ret = ov5640_set_ae_target(sensor, sensor->ae_target); 238119a81c14SSteve Longerbeam if (ret < 0) 238219a81c14SSteve Longerbeam return ret; 238319a81c14SSteve Longerbeam ret = ov5640_get_light_freq(sensor); 238419a81c14SSteve Longerbeam if (ret < 0) 238519a81c14SSteve Longerbeam return ret; 238619a81c14SSteve Longerbeam ret = ov5640_set_bandingfilter(sensor); 238719a81c14SSteve Longerbeam if (ret < 0) 238819a81c14SSteve Longerbeam return ret; 238919a81c14SSteve Longerbeam ret = ov5640_set_virtual_channel(sensor); 239019a81c14SSteve Longerbeam if (ret < 0) 239119a81c14SSteve Longerbeam return ret; 239219a81c14SSteve Longerbeam 239319a81c14SSteve Longerbeam sensor->pending_mode_change = false; 2394985cdcb0SHugues Fruchet sensor->last_mode = mode; 239519a81c14SSteve Longerbeam 239619a81c14SSteve Longerbeam return 0; 23973cca8ef5SHugues Fruchet 23983cca8ef5SHugues Fruchet restore_auto_exp_gain: 23993cca8ef5SHugues Fruchet if (auto_exp) 24003cca8ef5SHugues Fruchet ov5640_set_autoexposure(sensor, true); 24013cca8ef5SHugues Fruchet restore_auto_gain: 24023cca8ef5SHugues Fruchet if (auto_gain) 24033cca8ef5SHugues Fruchet ov5640_set_autogain(sensor, true); 24043cca8ef5SHugues Fruchet 24053cca8ef5SHugues Fruchet return ret; 240619a81c14SSteve Longerbeam } 240719a81c14SSteve Longerbeam 240819ad26f9SAkinobu Mita static int ov5640_set_framefmt(struct ov5640_dev *sensor, 240919ad26f9SAkinobu Mita struct v4l2_mbus_framefmt *format); 241019ad26f9SAkinobu Mita 241119a81c14SSteve Longerbeam /* restore the last set video mode after chip power-on */ 241219a81c14SSteve Longerbeam static int ov5640_restore_mode(struct ov5640_dev *sensor) 241319a81c14SSteve Longerbeam { 241419a81c14SSteve Longerbeam int ret; 241519a81c14SSteve Longerbeam 241619a81c14SSteve Longerbeam /* first load the initial register values */ 2417e4359019SJacopo Mondi ov5640_load_regs(sensor, ov5640_init_setting, 2418e4359019SJacopo Mondi ARRAY_SIZE(ov5640_init_setting)); 241919a81c14SSteve Longerbeam 24208f57c2f8SMaxime Ripard ret = ov5640_mod_reg(sensor, OV5640_REG_SYS_ROOT_DIVIDER, 0x3f, 24217851fe7aSMaxime Ripard (ilog2(OV5640_SCLK2X_ROOT_DIV) << 2) | 24227851fe7aSMaxime Ripard ilog2(OV5640_SCLK_ROOT_DIV)); 24238f57c2f8SMaxime Ripard if (ret) 24248f57c2f8SMaxime Ripard return ret; 24258f57c2f8SMaxime Ripard 242619a81c14SSteve Longerbeam /* now restore the last capture mode */ 2427985cdcb0SHugues Fruchet ret = ov5640_set_mode(sensor); 242819ad26f9SAkinobu Mita if (ret < 0) 242919ad26f9SAkinobu Mita return ret; 243019ad26f9SAkinobu Mita 243119ad26f9SAkinobu Mita return ov5640_set_framefmt(sensor, &sensor->fmt); 243219a81c14SSteve Longerbeam } 243319a81c14SSteve Longerbeam 243419a81c14SSteve Longerbeam static void ov5640_power(struct ov5640_dev *sensor, bool enable) 243519a81c14SSteve Longerbeam { 24361fddc5daSHugues Fruchet gpiod_set_value_cansleep(sensor->pwdn_gpio, enable ? 0 : 1); 243719a81c14SSteve Longerbeam } 243819a81c14SSteve Longerbeam 243919a81c14SSteve Longerbeam static void ov5640_reset(struct ov5640_dev *sensor) 244019a81c14SSteve Longerbeam { 244119a81c14SSteve Longerbeam if (!sensor->reset_gpio) 244219a81c14SSteve Longerbeam return; 244319a81c14SSteve Longerbeam 2444*decea0a9SJai Luthra if (sensor->pwdn_gpio) { 24451fddc5daSHugues Fruchet gpiod_set_value_cansleep(sensor->reset_gpio, 0); 244619a81c14SSteve Longerbeam 244719a81c14SSteve Longerbeam /* camera power cycle */ 244819a81c14SSteve Longerbeam ov5640_power(sensor, false); 244919a81c14SSteve Longerbeam usleep_range(5000, 10000); 245019a81c14SSteve Longerbeam ov5640_power(sensor, true); 245119a81c14SSteve Longerbeam usleep_range(5000, 10000); 245219a81c14SSteve Longerbeam 24531fddc5daSHugues Fruchet gpiod_set_value_cansleep(sensor->reset_gpio, 1); 245419a81c14SSteve Longerbeam usleep_range(1000, 2000); 245519a81c14SSteve Longerbeam 24561fddc5daSHugues Fruchet gpiod_set_value_cansleep(sensor->reset_gpio, 0); 2457*decea0a9SJai Luthra } else { 2458*decea0a9SJai Luthra /* software reset */ 2459*decea0a9SJai Luthra ov5640_write_reg(sensor, OV5640_REG_SYS_CTRL0, 2460*decea0a9SJai Luthra OV5640_REG_SYS_CTRL0_SW_RST); 2461*decea0a9SJai Luthra } 24621d4c41f3SLoic Poulain usleep_range(20000, 25000); 2463*decea0a9SJai Luthra 2464*decea0a9SJai Luthra /* 2465*decea0a9SJai Luthra * software standby: allows registers programming; 2466*decea0a9SJai Luthra * exit at restore_mode() for CSI, s_stream(1) for DVP 2467*decea0a9SJai Luthra */ 2468*decea0a9SJai Luthra ov5640_write_reg(sensor, OV5640_REG_SYS_CTRL0, 2469*decea0a9SJai Luthra OV5640_REG_SYS_CTRL0_SW_PWDN); 247019a81c14SSteve Longerbeam } 247119a81c14SSteve Longerbeam 24720f7acb52SHugues Fruchet static int ov5640_set_power_on(struct ov5640_dev *sensor) 247319a81c14SSteve Longerbeam { 24740f7acb52SHugues Fruchet struct i2c_client *client = sensor->i2c_client; 24750f7acb52SHugues Fruchet int ret; 247619a81c14SSteve Longerbeam 24770f7acb52SHugues Fruchet ret = clk_prepare_enable(sensor->xclk); 24780f7acb52SHugues Fruchet if (ret) { 24790f7acb52SHugues Fruchet dev_err(&client->dev, "%s: failed to enable clock\n", 24800f7acb52SHugues Fruchet __func__); 24810f7acb52SHugues Fruchet return ret; 24820f7acb52SHugues Fruchet } 248319a81c14SSteve Longerbeam 248419a81c14SSteve Longerbeam ret = regulator_bulk_enable(OV5640_NUM_SUPPLIES, 248519a81c14SSteve Longerbeam sensor->supplies); 24860f7acb52SHugues Fruchet if (ret) { 24870f7acb52SHugues Fruchet dev_err(&client->dev, "%s: failed to enable regulators\n", 24880f7acb52SHugues Fruchet __func__); 248919a81c14SSteve Longerbeam goto xclk_off; 24900f7acb52SHugues Fruchet } 249119a81c14SSteve Longerbeam 249219a81c14SSteve Longerbeam ov5640_reset(sensor); 249319a81c14SSteve Longerbeam ov5640_power(sensor, true); 249419a81c14SSteve Longerbeam 249519a81c14SSteve Longerbeam ret = ov5640_init_slave_id(sensor); 249619a81c14SSteve Longerbeam if (ret) 249719a81c14SSteve Longerbeam goto power_off; 249819a81c14SSteve Longerbeam 24990f7acb52SHugues Fruchet return 0; 25000f7acb52SHugues Fruchet 25010f7acb52SHugues Fruchet power_off: 25020f7acb52SHugues Fruchet ov5640_power(sensor, false); 25030f7acb52SHugues Fruchet regulator_bulk_disable(OV5640_NUM_SUPPLIES, sensor->supplies); 25040f7acb52SHugues Fruchet xclk_off: 25050f7acb52SHugues Fruchet clk_disable_unprepare(sensor->xclk); 25060f7acb52SHugues Fruchet return ret; 25070f7acb52SHugues Fruchet } 25080f7acb52SHugues Fruchet 25090f7acb52SHugues Fruchet static void ov5640_set_power_off(struct ov5640_dev *sensor) 25100f7acb52SHugues Fruchet { 25110f7acb52SHugues Fruchet ov5640_power(sensor, false); 25120f7acb52SHugues Fruchet regulator_bulk_disable(OV5640_NUM_SUPPLIES, sensor->supplies); 25130f7acb52SHugues Fruchet clk_disable_unprepare(sensor->xclk); 25140f7acb52SHugues Fruchet } 25150f7acb52SHugues Fruchet 2516b1751ae6SLad Prabhakar static int ov5640_set_power_mipi(struct ov5640_dev *sensor, bool on) 2517b1751ae6SLad Prabhakar { 2518b1751ae6SLad Prabhakar int ret; 2519b1751ae6SLad Prabhakar 2520b1751ae6SLad Prabhakar if (!on) { 2521b1751ae6SLad Prabhakar /* Reset MIPI bus settings to their default values. */ 2522b1751ae6SLad Prabhakar ov5640_write_reg(sensor, OV5640_REG_IO_MIPI_CTRL00, 0x58); 2523b1751ae6SLad Prabhakar ov5640_write_reg(sensor, OV5640_REG_MIPI_CTRL00, 0x04); 2524b1751ae6SLad Prabhakar ov5640_write_reg(sensor, OV5640_REG_PAD_OUTPUT00, 0x00); 2525b1751ae6SLad Prabhakar return 0; 2526b1751ae6SLad Prabhakar } 2527b1751ae6SLad Prabhakar 2528b1751ae6SLad Prabhakar /* 2529b1751ae6SLad Prabhakar * Power up MIPI HS Tx and LS Rx; 2 data lanes mode 2530b1751ae6SLad Prabhakar * 2531b1751ae6SLad Prabhakar * 0x300e = 0x40 2532b1751ae6SLad Prabhakar * [7:5] = 010 : 2 data lanes mode (see FIXME note in 2533b1751ae6SLad Prabhakar * "ov5640_set_stream_mipi()") 2534b1751ae6SLad Prabhakar * [4] = 0 : Power up MIPI HS Tx 2535b1751ae6SLad Prabhakar * [3] = 0 : Power up MIPI LS Rx 2536b1751ae6SLad Prabhakar * [2] = 0 : MIPI interface disabled 2537b1751ae6SLad Prabhakar */ 2538b1751ae6SLad Prabhakar ret = ov5640_write_reg(sensor, OV5640_REG_IO_MIPI_CTRL00, 0x40); 2539b1751ae6SLad Prabhakar if (ret) 2540b1751ae6SLad Prabhakar return ret; 2541b1751ae6SLad Prabhakar 2542b1751ae6SLad Prabhakar /* 2543b1751ae6SLad Prabhakar * Gate clock and set LP11 in 'no packets mode' (idle) 2544b1751ae6SLad Prabhakar * 2545b1751ae6SLad Prabhakar * 0x4800 = 0x24 2546b1751ae6SLad Prabhakar * [5] = 1 : Gate clock when 'no packets' 2547b1751ae6SLad Prabhakar * [2] = 1 : MIPI bus in LP11 when 'no packets' 2548b1751ae6SLad Prabhakar */ 2549b1751ae6SLad Prabhakar ret = ov5640_write_reg(sensor, OV5640_REG_MIPI_CTRL00, 0x24); 2550b1751ae6SLad Prabhakar if (ret) 2551b1751ae6SLad Prabhakar return ret; 2552b1751ae6SLad Prabhakar 2553b1751ae6SLad Prabhakar /* 2554b1751ae6SLad Prabhakar * Set data lanes and clock in LP11 when 'sleeping' 2555b1751ae6SLad Prabhakar * 2556b1751ae6SLad Prabhakar * 0x3019 = 0x70 2557b1751ae6SLad Prabhakar * [6] = 1 : MIPI data lane 2 in LP11 when 'sleeping' 2558b1751ae6SLad Prabhakar * [5] = 1 : MIPI data lane 1 in LP11 when 'sleeping' 2559b1751ae6SLad Prabhakar * [4] = 1 : MIPI clock lane in LP11 when 'sleeping' 2560b1751ae6SLad Prabhakar */ 2561b1751ae6SLad Prabhakar ret = ov5640_write_reg(sensor, OV5640_REG_PAD_OUTPUT00, 0x70); 2562b1751ae6SLad Prabhakar if (ret) 2563b1751ae6SLad Prabhakar return ret; 2564b1751ae6SLad Prabhakar 2565b1751ae6SLad Prabhakar /* Give lanes some time to coax into LP11 state. */ 2566b1751ae6SLad Prabhakar usleep_range(500, 1000); 2567b1751ae6SLad Prabhakar 2568b1751ae6SLad Prabhakar return 0; 2569b1751ae6SLad Prabhakar } 2570b1751ae6SLad Prabhakar 2571576f5d4bSLad Prabhakar static int ov5640_set_power_dvp(struct ov5640_dev *sensor, bool on) 2572576f5d4bSLad Prabhakar { 2573311a6408SLad Prabhakar unsigned int flags = sensor->ep.bus.parallel.flags; 257468579b32SHugues Fruchet bool bt656 = sensor->ep.bus_type == V4L2_MBUS_BT656; 257568579b32SHugues Fruchet u8 polarities = 0; 2576576f5d4bSLad Prabhakar int ret; 2577576f5d4bSLad Prabhakar 2578576f5d4bSLad Prabhakar if (!on) { 2579576f5d4bSLad Prabhakar /* Reset settings to their default values. */ 258068579b32SHugues Fruchet ov5640_write_reg(sensor, OV5640_REG_CCIR656_CTRL00, 0x00); 2581311a6408SLad Prabhakar ov5640_write_reg(sensor, OV5640_REG_IO_MIPI_CTRL00, 0x58); 2582311a6408SLad Prabhakar ov5640_write_reg(sensor, OV5640_REG_POLARITY_CTRL00, 0x20); 2583576f5d4bSLad Prabhakar ov5640_write_reg(sensor, OV5640_REG_PAD_OUTPUT_ENABLE01, 0x00); 2584576f5d4bSLad Prabhakar ov5640_write_reg(sensor, OV5640_REG_PAD_OUTPUT_ENABLE02, 0x00); 2585576f5d4bSLad Prabhakar return 0; 2586576f5d4bSLad Prabhakar } 2587576f5d4bSLad Prabhakar 2588576f5d4bSLad Prabhakar /* 2589311a6408SLad Prabhakar * Note about parallel port configuration. 2590311a6408SLad Prabhakar * 2591311a6408SLad Prabhakar * When configured in parallel mode, the OV5640 will 2592311a6408SLad Prabhakar * output 10 bits data on DVP data lines [9:0]. 2593311a6408SLad Prabhakar * If only 8 bits data are wanted, the 8 bits data lines 2594311a6408SLad Prabhakar * of the camera interface must be physically connected 2595311a6408SLad Prabhakar * on the DVP data lines [9:2]. 2596311a6408SLad Prabhakar * 2597311a6408SLad Prabhakar * Control lines polarity can be configured through 2598311a6408SLad Prabhakar * devicetree endpoint control lines properties. 2599311a6408SLad Prabhakar * If no endpoint control lines properties are set, 2600311a6408SLad Prabhakar * polarity will be as below: 2601311a6408SLad Prabhakar * - VSYNC: active high 2602311a6408SLad Prabhakar * - HREF: active low 2603311a6408SLad Prabhakar * - PCLK: active low 260468579b32SHugues Fruchet * 260568579b32SHugues Fruchet * VSYNC & HREF are not configured if BT656 bus mode is selected 2606311a6408SLad Prabhakar */ 260768579b32SHugues Fruchet 260868579b32SHugues Fruchet /* 260968579b32SHugues Fruchet * BT656 embedded synchronization configuration 261068579b32SHugues Fruchet * 261168579b32SHugues Fruchet * CCIR656 CTRL00 261268579b32SHugues Fruchet * - [7]: SYNC code selection (0: auto generate sync code, 261368579b32SHugues Fruchet * 1: sync code from regs 0x4732-0x4735) 261468579b32SHugues Fruchet * - [6]: f value in CCIR656 SYNC code when fixed f value 261568579b32SHugues Fruchet * - [5]: Fixed f value 261668579b32SHugues Fruchet * - [4:3]: Blank toggle data options (00: data=1'h040/1'h200, 261768579b32SHugues Fruchet * 01: data from regs 0x4736-0x4738, 10: always keep 0) 261868579b32SHugues Fruchet * - [1]: Clip data disable 261968579b32SHugues Fruchet * - [0]: CCIR656 mode enable 262068579b32SHugues Fruchet * 262168579b32SHugues Fruchet * Default CCIR656 SAV/EAV mode with default codes 262268579b32SHugues Fruchet * SAV=0xff000080 & EAV=0xff00009d is enabled here with settings: 262368579b32SHugues Fruchet * - CCIR656 mode enable 262468579b32SHugues Fruchet * - auto generation of sync codes 262568579b32SHugues Fruchet * - blank toggle data 1'h040/1'h200 262668579b32SHugues Fruchet * - clip reserved data (0x00 & 0xff changed to 0x01 & 0xfe) 262768579b32SHugues Fruchet */ 262868579b32SHugues Fruchet ret = ov5640_write_reg(sensor, OV5640_REG_CCIR656_CTRL00, 262968579b32SHugues Fruchet bt656 ? 0x01 : 0x00); 263068579b32SHugues Fruchet if (ret) 263168579b32SHugues Fruchet return ret; 263268579b32SHugues Fruchet 2633311a6408SLad Prabhakar /* 2634311a6408SLad Prabhakar * configure parallel port control lines polarity 2635311a6408SLad Prabhakar * 2636311a6408SLad Prabhakar * POLARITY CTRL0 2637311a6408SLad Prabhakar * - [5]: PCLK polarity (0: active low, 1: active high) 2638311a6408SLad Prabhakar * - [1]: HREF polarity (0: active low, 1: active high) 2639311a6408SLad Prabhakar * - [0]: VSYNC polarity (mismatch here between 2640311a6408SLad Prabhakar * datasheet and hardware, 0 is active high 2641311a6408SLad Prabhakar * and 1 is active low...) 2642311a6408SLad Prabhakar */ 264368579b32SHugues Fruchet if (!bt656) { 2644311a6408SLad Prabhakar if (flags & V4L2_MBUS_HSYNC_ACTIVE_HIGH) 264568579b32SHugues Fruchet polarities |= BIT(1); 2646311a6408SLad Prabhakar if (flags & V4L2_MBUS_VSYNC_ACTIVE_LOW) 264768579b32SHugues Fruchet polarities |= BIT(0); 264868579b32SHugues Fruchet } 264968579b32SHugues Fruchet if (flags & V4L2_MBUS_PCLK_SAMPLE_RISING) 265068579b32SHugues Fruchet polarities |= BIT(5); 2651311a6408SLad Prabhakar 265268579b32SHugues Fruchet ret = ov5640_write_reg(sensor, OV5640_REG_POLARITY_CTRL00, polarities); 2653311a6408SLad Prabhakar if (ret) 2654311a6408SLad Prabhakar return ret; 2655311a6408SLad Prabhakar 2656311a6408SLad Prabhakar /* 265768579b32SHugues Fruchet * powerdown MIPI TX/RX PHY & enable DVP 2658311a6408SLad Prabhakar * 2659311a6408SLad Prabhakar * MIPI CONTROL 00 266068579b32SHugues Fruchet * [4] = 1 : Power down MIPI HS Tx 266168579b32SHugues Fruchet * [3] = 1 : Power down MIPI LS Rx 266268579b32SHugues Fruchet * [2] = 0 : DVP enable (MIPI disable) 2663311a6408SLad Prabhakar */ 2664311a6408SLad Prabhakar ret = ov5640_write_reg(sensor, OV5640_REG_IO_MIPI_CTRL00, 0x18); 2665311a6408SLad Prabhakar if (ret) 2666311a6408SLad Prabhakar return ret; 2667311a6408SLad Prabhakar 2668311a6408SLad Prabhakar /* 2669576f5d4bSLad Prabhakar * enable VSYNC/HREF/PCLK DVP control lines 2670576f5d4bSLad Prabhakar * & D[9:6] DVP data lines 2671576f5d4bSLad Prabhakar * 2672576f5d4bSLad Prabhakar * PAD OUTPUT ENABLE 01 2673576f5d4bSLad Prabhakar * - 6: VSYNC output enable 2674576f5d4bSLad Prabhakar * - 5: HREF output enable 2675576f5d4bSLad Prabhakar * - 4: PCLK output enable 2676576f5d4bSLad Prabhakar * - [3:0]: D[9:6] output enable 2677576f5d4bSLad Prabhakar */ 26784039b037SLad Prabhakar ret = ov5640_write_reg(sensor, OV5640_REG_PAD_OUTPUT_ENABLE01, 267968579b32SHugues Fruchet bt656 ? 0x1f : 0x7f); 2680576f5d4bSLad Prabhakar if (ret) 2681576f5d4bSLad Prabhakar return ret; 2682576f5d4bSLad Prabhakar 2683576f5d4bSLad Prabhakar /* 2684576f5d4bSLad Prabhakar * enable D[5:0] DVP data lines 2685576f5d4bSLad Prabhakar * 2686576f5d4bSLad Prabhakar * PAD OUTPUT ENABLE 02 2687576f5d4bSLad Prabhakar * - [7:2]: D[5:0] output enable 2688576f5d4bSLad Prabhakar */ 2689576f5d4bSLad Prabhakar return ov5640_write_reg(sensor, OV5640_REG_PAD_OUTPUT_ENABLE02, 0xfc); 2690576f5d4bSLad Prabhakar } 2691576f5d4bSLad Prabhakar 26920f7acb52SHugues Fruchet static int ov5640_set_power(struct ov5640_dev *sensor, bool on) 26930f7acb52SHugues Fruchet { 26940f7acb52SHugues Fruchet int ret = 0; 26950f7acb52SHugues Fruchet 26960f7acb52SHugues Fruchet if (on) { 26970f7acb52SHugues Fruchet ret = ov5640_set_power_on(sensor); 26980f7acb52SHugues Fruchet if (ret) 26990f7acb52SHugues Fruchet return ret; 27000f7acb52SHugues Fruchet 270119a81c14SSteve Longerbeam ret = ov5640_restore_mode(sensor); 270219a81c14SSteve Longerbeam if (ret) 270319a81c14SSteve Longerbeam goto power_off; 2704b1751ae6SLad Prabhakar } 270519a81c14SSteve Longerbeam 2706576f5d4bSLad Prabhakar if (sensor->ep.bus_type == V4L2_MBUS_CSI2_DPHY) 2707b1751ae6SLad Prabhakar ret = ov5640_set_power_mipi(sensor, on); 2708576f5d4bSLad Prabhakar else 2709576f5d4bSLad Prabhakar ret = ov5640_set_power_dvp(sensor, on); 2710b1751ae6SLad Prabhakar if (ret) 2711b1751ae6SLad Prabhakar goto power_off; 2712aa4bb8b8SJacopo Mondi 2713b1751ae6SLad Prabhakar if (!on) 2714aa4bb8b8SJacopo Mondi ov5640_set_power_off(sensor); 271519a81c14SSteve Longerbeam 271619a81c14SSteve Longerbeam return 0; 271719a81c14SSteve Longerbeam 271819a81c14SSteve Longerbeam power_off: 27190f7acb52SHugues Fruchet ov5640_set_power_off(sensor); 272019a81c14SSteve Longerbeam return ret; 272119a81c14SSteve Longerbeam } 272219a81c14SSteve Longerbeam 272385644a9bSPaul Elder static int ov5640_sensor_suspend(struct device *dev) 272419a81c14SSteve Longerbeam { 272585644a9bSPaul Elder struct v4l2_subdev *sd = dev_get_drvdata(dev); 272685644a9bSPaul Elder struct ov5640_dev *ov5640 = to_ov5640_dev(sd); 272719a81c14SSteve Longerbeam 272885644a9bSPaul Elder return ov5640_set_power(ov5640, false); 272919a81c14SSteve Longerbeam } 273019a81c14SSteve Longerbeam 273185644a9bSPaul Elder static int ov5640_sensor_resume(struct device *dev) 273285644a9bSPaul Elder { 273385644a9bSPaul Elder struct v4l2_subdev *sd = dev_get_drvdata(dev); 273485644a9bSPaul Elder struct ov5640_dev *ov5640 = to_ov5640_dev(sd); 273519a81c14SSteve Longerbeam 273685644a9bSPaul Elder return ov5640_set_power(ov5640, true); 273719a81c14SSteve Longerbeam } 273819a81c14SSteve Longerbeam 273985644a9bSPaul Elder /* --------------- Subdev Operations --------------- */ 274019a81c14SSteve Longerbeam 274119a81c14SSteve Longerbeam static int ov5640_try_frame_interval(struct ov5640_dev *sensor, 274219a81c14SSteve Longerbeam struct v4l2_fract *fi, 2743f33b56d3SGuoniu.zhou const struct ov5640_mode_info *mode_info) 274419a81c14SSteve Longerbeam { 2745f33b56d3SGuoniu.zhou const struct ov5640_mode_info *mode = mode_info; 27466530a5ebSJagan Teki enum ov5640_frame_rate rate = OV5640_15_FPS; 2747f6cc192fSMaxime Ripard int minfps, maxfps, best_fps, fps; 2748f6cc192fSMaxime Ripard int i; 274919a81c14SSteve Longerbeam 275019a81c14SSteve Longerbeam minfps = ov5640_framerates[OV5640_15_FPS]; 2751f33b56d3SGuoniu.zhou maxfps = ov5640_framerates[mode->max_fps]; 275219a81c14SSteve Longerbeam 275319a81c14SSteve Longerbeam if (fi->numerator == 0) { 275419a81c14SSteve Longerbeam fi->denominator = maxfps; 275519a81c14SSteve Longerbeam fi->numerator = 1; 2756f33b56d3SGuoniu.zhou rate = mode->max_fps; 2757e823fb16SMaxime Ripard goto find_mode; 275819a81c14SSteve Longerbeam } 275919a81c14SSteve Longerbeam 2760f6cc192fSMaxime Ripard fps = clamp_val(DIV_ROUND_CLOSEST(fi->denominator, fi->numerator), 2761f6cc192fSMaxime Ripard minfps, maxfps); 2762f6cc192fSMaxime Ripard 2763f6cc192fSMaxime Ripard best_fps = minfps; 2764f6cc192fSMaxime Ripard for (i = 0; i < ARRAY_SIZE(ov5640_framerates); i++) { 2765f6cc192fSMaxime Ripard int curr_fps = ov5640_framerates[i]; 2766f6cc192fSMaxime Ripard 2767f6cc192fSMaxime Ripard if (abs(curr_fps - fps) < abs(best_fps - fps)) { 2768f6cc192fSMaxime Ripard best_fps = curr_fps; 2769f6cc192fSMaxime Ripard rate = i; 2770f6cc192fSMaxime Ripard } 2771f6cc192fSMaxime Ripard } 277219a81c14SSteve Longerbeam 277319a81c14SSteve Longerbeam fi->numerator = 1; 2774f6cc192fSMaxime Ripard fi->denominator = best_fps; 277519a81c14SSteve Longerbeam 2776e823fb16SMaxime Ripard find_mode: 2777f33b56d3SGuoniu.zhou mode = ov5640_find_mode(sensor, mode->width, mode->height, false); 27785a3ad937SMaxime Ripard return mode ? rate : -EINVAL; 277919a81c14SSteve Longerbeam } 278019a81c14SSteve Longerbeam 278119a81c14SSteve Longerbeam static int ov5640_get_fmt(struct v4l2_subdev *sd, 27820d346d2aSTomi Valkeinen struct v4l2_subdev_state *sd_state, 278319a81c14SSteve Longerbeam struct v4l2_subdev_format *format) 278419a81c14SSteve Longerbeam { 278519a81c14SSteve Longerbeam struct ov5640_dev *sensor = to_ov5640_dev(sd); 278619a81c14SSteve Longerbeam struct v4l2_mbus_framefmt *fmt; 278719a81c14SSteve Longerbeam 278819a81c14SSteve Longerbeam if (format->pad != 0) 278919a81c14SSteve Longerbeam return -EINVAL; 279019a81c14SSteve Longerbeam 279119a81c14SSteve Longerbeam mutex_lock(&sensor->lock); 279219a81c14SSteve Longerbeam 279319a81c14SSteve Longerbeam if (format->which == V4L2_SUBDEV_FORMAT_TRY) 27940d346d2aSTomi Valkeinen fmt = v4l2_subdev_get_try_format(&sensor->sd, sd_state, 279519a81c14SSteve Longerbeam format->pad); 279619a81c14SSteve Longerbeam else 279719a81c14SSteve Longerbeam fmt = &sensor->fmt; 279819a81c14SSteve Longerbeam 279919a81c14SSteve Longerbeam format->format = *fmt; 280019a81c14SSteve Longerbeam 280119a81c14SSteve Longerbeam mutex_unlock(&sensor->lock); 280219a81c14SSteve Longerbeam 280319a81c14SSteve Longerbeam return 0; 280419a81c14SSteve Longerbeam } 280519a81c14SSteve Longerbeam 280619a81c14SSteve Longerbeam static int ov5640_try_fmt_internal(struct v4l2_subdev *sd, 280719a81c14SSteve Longerbeam struct v4l2_mbus_framefmt *fmt, 280819a81c14SSteve Longerbeam enum ov5640_frame_rate fr, 280919a81c14SSteve Longerbeam const struct ov5640_mode_info **new_mode) 281019a81c14SSteve Longerbeam { 281119a81c14SSteve Longerbeam struct ov5640_dev *sensor = to_ov5640_dev(sd); 281219a81c14SSteve Longerbeam const struct ov5640_mode_info *mode; 2813a89f14bbSJacopo Mondi const struct ov5640_pixfmt *pixfmt; 2814a89f14bbSJacopo Mondi unsigned int bpp; 281519a81c14SSteve Longerbeam 2816b6ae5022SJacopo Mondi mode = ov5640_find_mode(sensor, fmt->width, fmt->height, true); 281719a81c14SSteve Longerbeam if (!mode) 281819a81c14SSteve Longerbeam return -EINVAL; 2819dd81b8ffSJacopo Mondi 2820a89f14bbSJacopo Mondi pixfmt = ov5640_code_to_pixfmt(sensor, fmt->code); 2821a89f14bbSJacopo Mondi bpp = pixfmt->bpp; 2822a89f14bbSJacopo Mondi 2823dd81b8ffSJacopo Mondi /* 2824dd81b8ffSJacopo Mondi * Adjust mode according to bpp: 2825dd81b8ffSJacopo Mondi * - 8bpp modes work for resolution >= 1280x720 2826dd81b8ffSJacopo Mondi * - 24bpp modes work resolution < 1280x720 2827dd81b8ffSJacopo Mondi */ 2828dd81b8ffSJacopo Mondi if (bpp == 8 && mode->width < 1280) 2829dd81b8ffSJacopo Mondi mode = &ov5640_mode_data[OV5640_MODE_720P_1280_720]; 2830dd81b8ffSJacopo Mondi else if (bpp == 24 && mode->width > 1024) 2831dd81b8ffSJacopo Mondi mode = &ov5640_mode_data[OV5640_MODE_XGA_1024_768]; 2832dd81b8ffSJacopo Mondi 28335113d5b3SJacopo Mondi fmt->width = mode->width; 28345113d5b3SJacopo Mondi fmt->height = mode->height; 283519a81c14SSteve Longerbeam 283619a81c14SSteve Longerbeam if (new_mode) 283719a81c14SSteve Longerbeam *new_mode = mode; 2838e3ee691dSHugues Fruchet 2839a89f14bbSJacopo Mondi fmt->code = pixfmt->code; 2840a89f14bbSJacopo Mondi fmt->colorspace = pixfmt->colorspace; 2841e6441fdeSHugues Fruchet fmt->ycbcr_enc = V4L2_MAP_YCBCR_ENC_DEFAULT(fmt->colorspace); 2842e6441fdeSHugues Fruchet fmt->quantization = V4L2_QUANTIZATION_FULL_RANGE; 2843e6441fdeSHugues Fruchet fmt->xfer_func = V4L2_MAP_XFER_FUNC_DEFAULT(fmt->colorspace); 2844e3ee691dSHugues Fruchet 284519a81c14SSteve Longerbeam return 0; 284619a81c14SSteve Longerbeam } 284719a81c14SSteve Longerbeam 28483c28588fSJacopo Mondi static int ov5640_update_pixel_rate(struct ov5640_dev *sensor) 28493c28588fSJacopo Mondi { 28503c28588fSJacopo Mondi const struct ov5640_mode_info *mode = sensor->current_mode; 28513c28588fSJacopo Mondi enum ov5640_pixel_rate_id pixel_rate_id = mode->pixel_rate; 28523c28588fSJacopo Mondi struct v4l2_mbus_framefmt *fmt = &sensor->fmt; 285332979f67SJacopo Mondi const struct ov5640_timings *timings; 2854bce93b82SJacopo Mondi s32 exposure_val, exposure_max; 285532979f67SJacopo Mondi unsigned int hblank; 28563c28588fSJacopo Mondi unsigned int i = 0; 28573c28588fSJacopo Mondi u32 pixel_rate; 28583c28588fSJacopo Mondi s64 link_freq; 28593c28588fSJacopo Mondi u32 num_lanes; 286019f2e3e6SHugues Fruchet u32 vblank; 28613c28588fSJacopo Mondi u32 bpp; 28623c28588fSJacopo Mondi 28633c28588fSJacopo Mondi /* 28643c28588fSJacopo Mondi * Update the pixel rate control value. 28653c28588fSJacopo Mondi * 28663c28588fSJacopo Mondi * For DVP mode, maintain the pixel rate calculation using fixed FPS. 28673c28588fSJacopo Mondi */ 28683c28588fSJacopo Mondi if (!ov5640_is_csi2(sensor)) { 28693c28588fSJacopo Mondi __v4l2_ctrl_s_ctrl_int64(sensor->ctrls.pixel_rate, 28703c28588fSJacopo Mondi ov5640_calc_pixel_rate(sensor)); 28713c28588fSJacopo Mondi 28723c28588fSJacopo Mondi return 0; 28733c28588fSJacopo Mondi } 28743c28588fSJacopo Mondi 28753c28588fSJacopo Mondi /* 28763c28588fSJacopo Mondi * The MIPI CSI-2 link frequency should comply with the CSI-2 28773c28588fSJacopo Mondi * specification and be lower than 1GHz. 28783c28588fSJacopo Mondi * 28793c28588fSJacopo Mondi * Start from the suggested pixel_rate for the current mode and 28803c28588fSJacopo Mondi * progressively slow it down if it exceeds 1GHz. 28813c28588fSJacopo Mondi */ 28823c28588fSJacopo Mondi num_lanes = sensor->ep.bus.mipi_csi2.num_data_lanes; 2883a89f14bbSJacopo Mondi bpp = ov5640_code_to_bpp(sensor, fmt->code); 28843c28588fSJacopo Mondi do { 28853c28588fSJacopo Mondi pixel_rate = ov5640_pixel_rates[pixel_rate_id]; 28863c28588fSJacopo Mondi link_freq = pixel_rate * bpp / (2 * num_lanes); 28873c28588fSJacopo Mondi } while (link_freq >= 1000000000U && 28883c28588fSJacopo Mondi ++pixel_rate_id < OV5640_NUM_PIXEL_RATES); 28893c28588fSJacopo Mondi 28903c28588fSJacopo Mondi sensor->current_link_freq = link_freq; 28913c28588fSJacopo Mondi 28923c28588fSJacopo Mondi /* 28933c28588fSJacopo Mondi * Higher link rates require the clock tree to be programmed with 28943c28588fSJacopo Mondi * 'mipi_div' = 1; this has the effect of halving the actual output 28953c28588fSJacopo Mondi * pixel rate in the MIPI domain. 28963c28588fSJacopo Mondi * 28973c28588fSJacopo Mondi * Adjust the pixel rate and link frequency control value to report it 28983c28588fSJacopo Mondi * correctly to userspace. 28993c28588fSJacopo Mondi */ 29003c28588fSJacopo Mondi if (link_freq > OV5640_LINK_RATE_MAX) { 29013c28588fSJacopo Mondi pixel_rate /= 2; 29023c28588fSJacopo Mondi link_freq /= 2; 29033c28588fSJacopo Mondi } 29043c28588fSJacopo Mondi 29053c28588fSJacopo Mondi for (i = 0; i < ARRAY_SIZE(ov5640_csi2_link_freqs); ++i) { 29063c28588fSJacopo Mondi if (ov5640_csi2_link_freqs[i] == link_freq) 29073c28588fSJacopo Mondi break; 29083c28588fSJacopo Mondi } 29093c28588fSJacopo Mondi WARN_ON(i == ARRAY_SIZE(ov5640_csi2_link_freqs)); 29103c28588fSJacopo Mondi 29113c28588fSJacopo Mondi __v4l2_ctrl_s_ctrl_int64(sensor->ctrls.pixel_rate, pixel_rate); 29123c28588fSJacopo Mondi __v4l2_ctrl_s_ctrl(sensor->ctrls.link_freq, i); 29133c28588fSJacopo Mondi 291432979f67SJacopo Mondi timings = ov5640_timings(sensor, mode); 291532979f67SJacopo Mondi hblank = timings->htot - mode->width; 291632979f67SJacopo Mondi __v4l2_ctrl_modify_range(sensor->ctrls.hblank, 291732979f67SJacopo Mondi hblank, hblank, 1, hblank); 291832979f67SJacopo Mondi 291919f2e3e6SHugues Fruchet vblank = timings->vblank_def; 2920bce93b82SJacopo Mondi 292119f2e3e6SHugues Fruchet if (sensor->current_fr != mode->def_fps) { 292219f2e3e6SHugues Fruchet /* 292319f2e3e6SHugues Fruchet * Compute the vertical blanking according to the framerate 292419f2e3e6SHugues Fruchet * configured with s_frame_interval. 292519f2e3e6SHugues Fruchet */ 292619f2e3e6SHugues Fruchet int fie_num = sensor->frame_interval.numerator; 292719f2e3e6SHugues Fruchet int fie_denom = sensor->frame_interval.denominator; 292819f2e3e6SHugues Fruchet 292919f2e3e6SHugues Fruchet vblank = ((fie_num * pixel_rate / fie_denom) / timings->htot) - 293019f2e3e6SHugues Fruchet mode->height; 293119f2e3e6SHugues Fruchet } 293219f2e3e6SHugues Fruchet 293319f2e3e6SHugues Fruchet __v4l2_ctrl_modify_range(sensor->ctrls.vblank, OV5640_MIN_VBLANK, 293419f2e3e6SHugues Fruchet OV5640_MAX_VTS - mode->height, 1, vblank); 293519f2e3e6SHugues Fruchet __v4l2_ctrl_s_ctrl(sensor->ctrls.vblank, vblank); 293619f2e3e6SHugues Fruchet 293719f2e3e6SHugues Fruchet exposure_max = timings->crop.height + vblank - 4; 2938bce93b82SJacopo Mondi exposure_val = clamp_t(s32, sensor->ctrls.exposure->val, 2939bce93b82SJacopo Mondi sensor->ctrls.exposure->minimum, 2940bce93b82SJacopo Mondi exposure_max); 294119f2e3e6SHugues Fruchet 2942bce93b82SJacopo Mondi __v4l2_ctrl_modify_range(sensor->ctrls.exposure, 2943bce93b82SJacopo Mondi sensor->ctrls.exposure->minimum, 2944bce93b82SJacopo Mondi exposure_max, 1, exposure_val); 2945bce93b82SJacopo Mondi 29463c28588fSJacopo Mondi return 0; 29473c28588fSJacopo Mondi } 29483c28588fSJacopo Mondi 294919a81c14SSteve Longerbeam static int ov5640_set_fmt(struct v4l2_subdev *sd, 29500d346d2aSTomi Valkeinen struct v4l2_subdev_state *sd_state, 295119a81c14SSteve Longerbeam struct v4l2_subdev_format *format) 295219a81c14SSteve Longerbeam { 295319a81c14SSteve Longerbeam struct ov5640_dev *sensor = to_ov5640_dev(sd); 295419a81c14SSteve Longerbeam const struct ov5640_mode_info *new_mode; 2955e6441fdeSHugues Fruchet struct v4l2_mbus_framefmt *mbus_fmt = &format->format; 295619a81c14SSteve Longerbeam int ret; 295719a81c14SSteve Longerbeam 295819a81c14SSteve Longerbeam if (format->pad != 0) 295919a81c14SSteve Longerbeam return -EINVAL; 296019a81c14SSteve Longerbeam 296119a81c14SSteve Longerbeam mutex_lock(&sensor->lock); 296219a81c14SSteve Longerbeam 296319a81c14SSteve Longerbeam if (sensor->streaming) { 296419a81c14SSteve Longerbeam ret = -EBUSY; 296519a81c14SSteve Longerbeam goto out; 296619a81c14SSteve Longerbeam } 296719a81c14SSteve Longerbeam 2968e6441fdeSHugues Fruchet ret = ov5640_try_fmt_internal(sd, mbus_fmt, 296919a81c14SSteve Longerbeam sensor->current_fr, &new_mode); 297019a81c14SSteve Longerbeam if (ret) 297119a81c14SSteve Longerbeam goto out; 297219a81c14SSteve Longerbeam 2973e738f5ddSMirela Rabulea if (format->which == V4L2_SUBDEV_FORMAT_TRY) { 2974e738f5ddSMirela Rabulea *v4l2_subdev_get_try_format(sd, sd_state, 0) = *mbus_fmt; 2975e738f5ddSMirela Rabulea goto out; 2976e738f5ddSMirela Rabulea } 297719a81c14SSteve Longerbeam 29786949d864SHugues Fruchet if (new_mode != sensor->current_mode) { 297919f2e3e6SHugues Fruchet sensor->current_fr = new_mode->def_fps; 298019a81c14SSteve Longerbeam sensor->current_mode = new_mode; 298119a81c14SSteve Longerbeam sensor->pending_mode_change = true; 29826949d864SHugues Fruchet } 298307115449SJacopo Mondi if (mbus_fmt->code != sensor->fmt.code) 2984fb98e29fSHugues Fruchet sensor->pending_fmt_change = true; 298507115449SJacopo Mondi 2986e738f5ddSMirela Rabulea /* update format even if code is unchanged, resolution might change */ 2987e738f5ddSMirela Rabulea sensor->fmt = *mbus_fmt; 2988e738f5ddSMirela Rabulea 29893c28588fSJacopo Mondi ov5640_update_pixel_rate(sensor); 29903c28588fSJacopo Mondi 299119a81c14SSteve Longerbeam out: 299219a81c14SSteve Longerbeam mutex_unlock(&sensor->lock); 299319a81c14SSteve Longerbeam return ret; 299419a81c14SSteve Longerbeam } 299519a81c14SSteve Longerbeam 299666ed85ebSJacopo Mondi static int ov5640_get_selection(struct v4l2_subdev *sd, 299766ed85ebSJacopo Mondi struct v4l2_subdev_state *sd_state, 299866ed85ebSJacopo Mondi struct v4l2_subdev_selection *sel) 299966ed85ebSJacopo Mondi { 300066ed85ebSJacopo Mondi struct ov5640_dev *sensor = to_ov5640_dev(sd); 300166ed85ebSJacopo Mondi const struct ov5640_mode_info *mode = sensor->current_mode; 300266ed85ebSJacopo Mondi const struct ov5640_timings *timings; 300366ed85ebSJacopo Mondi 300466ed85ebSJacopo Mondi switch (sel->target) { 300566ed85ebSJacopo Mondi case V4L2_SEL_TGT_CROP: { 300666ed85ebSJacopo Mondi mutex_lock(&sensor->lock); 300766ed85ebSJacopo Mondi timings = ov5640_timings(sensor, mode); 300866ed85ebSJacopo Mondi sel->r = timings->analog_crop; 300966ed85ebSJacopo Mondi mutex_unlock(&sensor->lock); 301066ed85ebSJacopo Mondi 301166ed85ebSJacopo Mondi return 0; 301266ed85ebSJacopo Mondi } 301366ed85ebSJacopo Mondi 301466ed85ebSJacopo Mondi case V4L2_SEL_TGT_NATIVE_SIZE: 301566ed85ebSJacopo Mondi case V4L2_SEL_TGT_CROP_BOUNDS: 301666ed85ebSJacopo Mondi sel->r.top = 0; 301766ed85ebSJacopo Mondi sel->r.left = 0; 301866ed85ebSJacopo Mondi sel->r.width = OV5640_NATIVE_WIDTH; 301966ed85ebSJacopo Mondi sel->r.height = OV5640_NATIVE_HEIGHT; 302066ed85ebSJacopo Mondi 302166ed85ebSJacopo Mondi return 0; 302266ed85ebSJacopo Mondi 302366ed85ebSJacopo Mondi case V4L2_SEL_TGT_CROP_DEFAULT: 302466ed85ebSJacopo Mondi sel->r.top = OV5640_PIXEL_ARRAY_TOP; 302566ed85ebSJacopo Mondi sel->r.left = OV5640_PIXEL_ARRAY_LEFT; 302666ed85ebSJacopo Mondi sel->r.width = OV5640_PIXEL_ARRAY_WIDTH; 302766ed85ebSJacopo Mondi sel->r.height = OV5640_PIXEL_ARRAY_HEIGHT; 302866ed85ebSJacopo Mondi 302966ed85ebSJacopo Mondi return 0; 303066ed85ebSJacopo Mondi } 303166ed85ebSJacopo Mondi 303266ed85ebSJacopo Mondi return -EINVAL; 303366ed85ebSJacopo Mondi } 303466ed85ebSJacopo Mondi 3035e3ee691dSHugues Fruchet static int ov5640_set_framefmt(struct ov5640_dev *sensor, 3036e3ee691dSHugues Fruchet struct v4l2_mbus_framefmt *format) 3037e3ee691dSHugues Fruchet { 3038935fbc94SJacopo Mondi bool is_jpeg = format->code == MEDIA_BUS_FMT_JPEG_1X8; 3039935fbc94SJacopo Mondi const struct ov5640_pixfmt *pixfmt; 3040e3ee691dSHugues Fruchet int ret = 0; 3041e3ee691dSHugues Fruchet 3042935fbc94SJacopo Mondi pixfmt = ov5640_code_to_pixfmt(sensor, format->code); 3043e3ee691dSHugues Fruchet 3044e3ee691dSHugues Fruchet /* FORMAT CONTROL00: YUV and RGB formatting */ 3045935fbc94SJacopo Mondi ret = ov5640_write_reg(sensor, OV5640_REG_FORMAT_CONTROL00, 3046935fbc94SJacopo Mondi pixfmt->ctrl00); 3047e3ee691dSHugues Fruchet if (ret) 3048e3ee691dSHugues Fruchet return ret; 3049e3ee691dSHugues Fruchet 3050e3ee691dSHugues Fruchet /* FORMAT MUX CONTROL: ISP YUV or RGB */ 3051935fbc94SJacopo Mondi ret = ov5640_write_reg(sensor, OV5640_REG_ISP_FORMAT_MUX_CTRL, 3052935fbc94SJacopo Mondi pixfmt->mux); 3053d47c4126SHugues Fruchet if (ret) 3054d47c4126SHugues Fruchet return ret; 3055d47c4126SHugues Fruchet 3056d47c4126SHugues Fruchet /* 3057d47c4126SHugues Fruchet * TIMING TC REG21: 3058d47c4126SHugues Fruchet * - [5]: JPEG enable 3059d47c4126SHugues Fruchet */ 3060d47c4126SHugues Fruchet ret = ov5640_mod_reg(sensor, OV5640_REG_TIMING_TC_REG21, 3061d47c4126SHugues Fruchet BIT(5), is_jpeg ? BIT(5) : 0); 3062d47c4126SHugues Fruchet if (ret) 3063d47c4126SHugues Fruchet return ret; 3064d47c4126SHugues Fruchet 3065d47c4126SHugues Fruchet /* 3066d47c4126SHugues Fruchet * SYSTEM RESET02: 3067d47c4126SHugues Fruchet * - [4]: Reset JFIFO 3068d47c4126SHugues Fruchet * - [3]: Reset SFIFO 3069d47c4126SHugues Fruchet * - [2]: Reset JPEG 3070d47c4126SHugues Fruchet */ 3071d47c4126SHugues Fruchet ret = ov5640_mod_reg(sensor, OV5640_REG_SYS_RESET02, 3072d47c4126SHugues Fruchet BIT(4) | BIT(3) | BIT(2), 3073d47c4126SHugues Fruchet is_jpeg ? 0 : (BIT(4) | BIT(3) | BIT(2))); 3074d47c4126SHugues Fruchet if (ret) 3075d47c4126SHugues Fruchet return ret; 3076d47c4126SHugues Fruchet 3077d47c4126SHugues Fruchet /* 3078d47c4126SHugues Fruchet * CLOCK ENABLE02: 3079d47c4126SHugues Fruchet * - [5]: Enable JPEG 2x clock 3080d47c4126SHugues Fruchet * - [3]: Enable JPEG clock 3081d47c4126SHugues Fruchet */ 3082d47c4126SHugues Fruchet return ov5640_mod_reg(sensor, OV5640_REG_SYS_CLOCK_ENABLE02, 3083d47c4126SHugues Fruchet BIT(5) | BIT(3), 3084d47c4126SHugues Fruchet is_jpeg ? (BIT(5) | BIT(3)) : 0); 3085e3ee691dSHugues Fruchet } 308619a81c14SSteve Longerbeam 308719a81c14SSteve Longerbeam /* 308819a81c14SSteve Longerbeam * Sensor Controls. 308919a81c14SSteve Longerbeam */ 309019a81c14SSteve Longerbeam 309119a81c14SSteve Longerbeam static int ov5640_set_ctrl_hue(struct ov5640_dev *sensor, int value) 309219a81c14SSteve Longerbeam { 309319a81c14SSteve Longerbeam int ret; 309419a81c14SSteve Longerbeam 309519a81c14SSteve Longerbeam if (value) { 309619a81c14SSteve Longerbeam ret = ov5640_mod_reg(sensor, OV5640_REG_SDE_CTRL0, 309719a81c14SSteve Longerbeam BIT(0), BIT(0)); 309819a81c14SSteve Longerbeam if (ret) 309919a81c14SSteve Longerbeam return ret; 310019a81c14SSteve Longerbeam ret = ov5640_write_reg16(sensor, OV5640_REG_SDE_CTRL1, value); 310119a81c14SSteve Longerbeam } else { 310219a81c14SSteve Longerbeam ret = ov5640_mod_reg(sensor, OV5640_REG_SDE_CTRL0, BIT(0), 0); 310319a81c14SSteve Longerbeam } 310419a81c14SSteve Longerbeam 310519a81c14SSteve Longerbeam return ret; 310619a81c14SSteve Longerbeam } 310719a81c14SSteve Longerbeam 310819a81c14SSteve Longerbeam static int ov5640_set_ctrl_contrast(struct ov5640_dev *sensor, int value) 310919a81c14SSteve Longerbeam { 311019a81c14SSteve Longerbeam int ret; 311119a81c14SSteve Longerbeam 311219a81c14SSteve Longerbeam if (value) { 311319a81c14SSteve Longerbeam ret = ov5640_mod_reg(sensor, OV5640_REG_SDE_CTRL0, 311419a81c14SSteve Longerbeam BIT(2), BIT(2)); 311519a81c14SSteve Longerbeam if (ret) 311619a81c14SSteve Longerbeam return ret; 311719a81c14SSteve Longerbeam ret = ov5640_write_reg(sensor, OV5640_REG_SDE_CTRL5, 311819a81c14SSteve Longerbeam value & 0xff); 311919a81c14SSteve Longerbeam } else { 312019a81c14SSteve Longerbeam ret = ov5640_mod_reg(sensor, OV5640_REG_SDE_CTRL0, BIT(2), 0); 312119a81c14SSteve Longerbeam } 312219a81c14SSteve Longerbeam 312319a81c14SSteve Longerbeam return ret; 312419a81c14SSteve Longerbeam } 312519a81c14SSteve Longerbeam 312619a81c14SSteve Longerbeam static int ov5640_set_ctrl_saturation(struct ov5640_dev *sensor, int value) 312719a81c14SSteve Longerbeam { 312819a81c14SSteve Longerbeam int ret; 312919a81c14SSteve Longerbeam 313019a81c14SSteve Longerbeam if (value) { 313119a81c14SSteve Longerbeam ret = ov5640_mod_reg(sensor, OV5640_REG_SDE_CTRL0, 313219a81c14SSteve Longerbeam BIT(1), BIT(1)); 313319a81c14SSteve Longerbeam if (ret) 313419a81c14SSteve Longerbeam return ret; 313519a81c14SSteve Longerbeam ret = ov5640_write_reg(sensor, OV5640_REG_SDE_CTRL3, 313619a81c14SSteve Longerbeam value & 0xff); 313719a81c14SSteve Longerbeam if (ret) 313819a81c14SSteve Longerbeam return ret; 313919a81c14SSteve Longerbeam ret = ov5640_write_reg(sensor, OV5640_REG_SDE_CTRL4, 314019a81c14SSteve Longerbeam value & 0xff); 314119a81c14SSteve Longerbeam } else { 314219a81c14SSteve Longerbeam ret = ov5640_mod_reg(sensor, OV5640_REG_SDE_CTRL0, BIT(1), 0); 314319a81c14SSteve Longerbeam } 314419a81c14SSteve Longerbeam 314519a81c14SSteve Longerbeam return ret; 314619a81c14SSteve Longerbeam } 314719a81c14SSteve Longerbeam 314819a81c14SSteve Longerbeam static int ov5640_set_ctrl_white_balance(struct ov5640_dev *sensor, int awb) 314919a81c14SSteve Longerbeam { 315019a81c14SSteve Longerbeam int ret; 315119a81c14SSteve Longerbeam 315219a81c14SSteve Longerbeam ret = ov5640_mod_reg(sensor, OV5640_REG_AWB_MANUAL_CTRL, 315319a81c14SSteve Longerbeam BIT(0), awb ? 0 : 1); 315419a81c14SSteve Longerbeam if (ret) 315519a81c14SSteve Longerbeam return ret; 315619a81c14SSteve Longerbeam 315719a81c14SSteve Longerbeam if (!awb) { 315819a81c14SSteve Longerbeam u16 red = (u16)sensor->ctrls.red_balance->val; 315919a81c14SSteve Longerbeam u16 blue = (u16)sensor->ctrls.blue_balance->val; 316019a81c14SSteve Longerbeam 316119a81c14SSteve Longerbeam ret = ov5640_write_reg16(sensor, OV5640_REG_AWB_R_GAIN, red); 316219a81c14SSteve Longerbeam if (ret) 316319a81c14SSteve Longerbeam return ret; 316419a81c14SSteve Longerbeam ret = ov5640_write_reg16(sensor, OV5640_REG_AWB_B_GAIN, blue); 316519a81c14SSteve Longerbeam } 316619a81c14SSteve Longerbeam 316719a81c14SSteve Longerbeam return ret; 316819a81c14SSteve Longerbeam } 316919a81c14SSteve Longerbeam 31703cca8ef5SHugues Fruchet static int ov5640_set_ctrl_exposure(struct ov5640_dev *sensor, 31713cca8ef5SHugues Fruchet enum v4l2_exposure_auto_type auto_exposure) 317219a81c14SSteve Longerbeam { 317319a81c14SSteve Longerbeam struct ov5640_ctrls *ctrls = &sensor->ctrls; 31743cca8ef5SHugues Fruchet bool auto_exp = (auto_exposure == V4L2_EXPOSURE_AUTO); 317519a81c14SSteve Longerbeam int ret = 0; 317619a81c14SSteve Longerbeam 317719a81c14SSteve Longerbeam if (ctrls->auto_exp->is_new) { 31783cca8ef5SHugues Fruchet ret = ov5640_set_autoexposure(sensor, auto_exp); 317919a81c14SSteve Longerbeam if (ret) 318019a81c14SSteve Longerbeam return ret; 318119a81c14SSteve Longerbeam } 318219a81c14SSteve Longerbeam 31833cca8ef5SHugues Fruchet if (!auto_exp && ctrls->exposure->is_new) { 318419a81c14SSteve Longerbeam u16 max_exp; 318519a81c14SSteve Longerbeam 318619a81c14SSteve Longerbeam ret = ov5640_read_reg16(sensor, OV5640_REG_AEC_PK_VTS, 318719a81c14SSteve Longerbeam &max_exp); 318819a81c14SSteve Longerbeam if (ret) 318919a81c14SSteve Longerbeam return ret; 319019a81c14SSteve Longerbeam ret = ov5640_get_vts(sensor); 319119a81c14SSteve Longerbeam if (ret < 0) 319219a81c14SSteve Longerbeam return ret; 319319a81c14SSteve Longerbeam max_exp += ret; 31946146fde3SHugues Fruchet ret = 0; 319519a81c14SSteve Longerbeam 319619a81c14SSteve Longerbeam if (ctrls->exposure->val < max_exp) 319719a81c14SSteve Longerbeam ret = ov5640_set_exposure(sensor, ctrls->exposure->val); 319819a81c14SSteve Longerbeam } 319919a81c14SSteve Longerbeam 320019a81c14SSteve Longerbeam return ret; 320119a81c14SSteve Longerbeam } 320219a81c14SSteve Longerbeam 32033cca8ef5SHugues Fruchet static int ov5640_set_ctrl_gain(struct ov5640_dev *sensor, bool auto_gain) 320419a81c14SSteve Longerbeam { 320519a81c14SSteve Longerbeam struct ov5640_ctrls *ctrls = &sensor->ctrls; 320619a81c14SSteve Longerbeam int ret = 0; 320719a81c14SSteve Longerbeam 320819a81c14SSteve Longerbeam if (ctrls->auto_gain->is_new) { 32093cca8ef5SHugues Fruchet ret = ov5640_set_autogain(sensor, auto_gain); 321019a81c14SSteve Longerbeam if (ret) 321119a81c14SSteve Longerbeam return ret; 321219a81c14SSteve Longerbeam } 321319a81c14SSteve Longerbeam 32143cca8ef5SHugues Fruchet if (!auto_gain && ctrls->gain->is_new) 32153cca8ef5SHugues Fruchet ret = ov5640_set_gain(sensor, ctrls->gain->val); 321619a81c14SSteve Longerbeam 321719a81c14SSteve Longerbeam return ret; 321819a81c14SSteve Longerbeam } 321919a81c14SSteve Longerbeam 32209f6d7bacSChen-Yu Tsai static const char * const test_pattern_menu[] = { 32219f6d7bacSChen-Yu Tsai "Disabled", 32229f6d7bacSChen-Yu Tsai "Color bars", 3223bddc5cdfSChen-Yu Tsai "Color bars w/ rolling bar", 3224bddc5cdfSChen-Yu Tsai "Color squares", 3225bddc5cdfSChen-Yu Tsai "Color squares w/ rolling bar", 32269f6d7bacSChen-Yu Tsai }; 32279f6d7bacSChen-Yu Tsai 3228a0c29afbSChen-Yu Tsai #define OV5640_TEST_ENABLE BIT(7) 3229a0c29afbSChen-Yu Tsai #define OV5640_TEST_ROLLING BIT(6) /* rolling horizontal bar */ 3230a0c29afbSChen-Yu Tsai #define OV5640_TEST_TRANSPARENT BIT(5) 3231a0c29afbSChen-Yu Tsai #define OV5640_TEST_SQUARE_BW BIT(4) /* black & white squares */ 3232a0c29afbSChen-Yu Tsai #define OV5640_TEST_BAR_STANDARD (0 << 2) 3233a0c29afbSChen-Yu Tsai #define OV5640_TEST_BAR_VERT_CHANGE_1 (1 << 2) 3234a0c29afbSChen-Yu Tsai #define OV5640_TEST_BAR_HOR_CHANGE (2 << 2) 3235a0c29afbSChen-Yu Tsai #define OV5640_TEST_BAR_VERT_CHANGE_2 (3 << 2) 3236a0c29afbSChen-Yu Tsai #define OV5640_TEST_BAR (0 << 0) 3237a0c29afbSChen-Yu Tsai #define OV5640_TEST_RANDOM (1 << 0) 3238a0c29afbSChen-Yu Tsai #define OV5640_TEST_SQUARE (2 << 0) 3239a0c29afbSChen-Yu Tsai #define OV5640_TEST_BLACK (3 << 0) 3240a0c29afbSChen-Yu Tsai 3241a0c29afbSChen-Yu Tsai static const u8 test_pattern_val[] = { 3242a0c29afbSChen-Yu Tsai 0, 32432aff1fc3SChen-Yu Tsai OV5640_TEST_ENABLE | OV5640_TEST_BAR_VERT_CHANGE_1 | 3244a0c29afbSChen-Yu Tsai OV5640_TEST_BAR, 3245bddc5cdfSChen-Yu Tsai OV5640_TEST_ENABLE | OV5640_TEST_ROLLING | 3246bddc5cdfSChen-Yu Tsai OV5640_TEST_BAR_VERT_CHANGE_1 | OV5640_TEST_BAR, 3247bddc5cdfSChen-Yu Tsai OV5640_TEST_ENABLE | OV5640_TEST_SQUARE, 3248bddc5cdfSChen-Yu Tsai OV5640_TEST_ENABLE | OV5640_TEST_ROLLING | OV5640_TEST_SQUARE, 3249a0c29afbSChen-Yu Tsai }; 3250a0c29afbSChen-Yu Tsai 325119a81c14SSteve Longerbeam static int ov5640_set_ctrl_test_pattern(struct ov5640_dev *sensor, int value) 325219a81c14SSteve Longerbeam { 3253a0c29afbSChen-Yu Tsai return ov5640_write_reg(sensor, OV5640_REG_PRE_ISP_TEST_SET1, 3254a0c29afbSChen-Yu Tsai test_pattern_val[value]); 325519a81c14SSteve Longerbeam } 325619a81c14SSteve Longerbeam 32571068fecaSMylène Josserand static int ov5640_set_ctrl_light_freq(struct ov5640_dev *sensor, int value) 32581068fecaSMylène Josserand { 32591068fecaSMylène Josserand int ret; 32601068fecaSMylène Josserand 32611068fecaSMylène Josserand ret = ov5640_mod_reg(sensor, OV5640_REG_HZ5060_CTRL01, BIT(7), 32621068fecaSMylène Josserand (value == V4L2_CID_POWER_LINE_FREQUENCY_AUTO) ? 32631068fecaSMylène Josserand 0 : BIT(7)); 32641068fecaSMylène Josserand if (ret) 32651068fecaSMylène Josserand return ret; 32661068fecaSMylène Josserand 32671068fecaSMylène Josserand return ov5640_mod_reg(sensor, OV5640_REG_HZ5060_CTRL00, BIT(2), 32681068fecaSMylène Josserand (value == V4L2_CID_POWER_LINE_FREQUENCY_50HZ) ? 32691068fecaSMylène Josserand BIT(2) : 0); 32701068fecaSMylène Josserand } 32711068fecaSMylène Josserand 3272ce85705aSHugues Fruchet static int ov5640_set_ctrl_hflip(struct ov5640_dev *sensor, int value) 3273ce85705aSHugues Fruchet { 3274ce85705aSHugues Fruchet /* 3275c3f3ba3eSHugues Fruchet * If sensor is mounted upside down, mirror logic is inversed. 3276c3f3ba3eSHugues Fruchet * 3277ce85705aSHugues Fruchet * Sensor is a BSI (Back Side Illuminated) one, 3278ce85705aSHugues Fruchet * so image captured is physically mirrored. 3279ce85705aSHugues Fruchet * This is why mirror logic is inversed in 3280ce85705aSHugues Fruchet * order to cancel this mirror effect. 3281ce85705aSHugues Fruchet */ 3282ce85705aSHugues Fruchet 3283ce85705aSHugues Fruchet /* 3284ce85705aSHugues Fruchet * TIMING TC REG21: 3285ce85705aSHugues Fruchet * - [2]: ISP mirror 3286ce85705aSHugues Fruchet * - [1]: Sensor mirror 3287ce85705aSHugues Fruchet */ 3288ce85705aSHugues Fruchet return ov5640_mod_reg(sensor, OV5640_REG_TIMING_TC_REG21, 3289ce85705aSHugues Fruchet BIT(2) | BIT(1), 3290c3f3ba3eSHugues Fruchet (!(value ^ sensor->upside_down)) ? 3291c3f3ba3eSHugues Fruchet (BIT(2) | BIT(1)) : 0); 3292ce85705aSHugues Fruchet } 3293ce85705aSHugues Fruchet 3294ce85705aSHugues Fruchet static int ov5640_set_ctrl_vflip(struct ov5640_dev *sensor, int value) 3295ce85705aSHugues Fruchet { 3296c3f3ba3eSHugues Fruchet /* If sensor is mounted upside down, flip logic is inversed */ 3297c3f3ba3eSHugues Fruchet 3298ce85705aSHugues Fruchet /* 3299ce85705aSHugues Fruchet * TIMING TC REG20: 3300ce85705aSHugues Fruchet * - [2]: ISP vflip 3301ce85705aSHugues Fruchet * - [1]: Sensor vflip 3302ce85705aSHugues Fruchet */ 3303ce85705aSHugues Fruchet return ov5640_mod_reg(sensor, OV5640_REG_TIMING_TC_REG20, 3304ce85705aSHugues Fruchet BIT(2) | BIT(1), 3305c3f3ba3eSHugues Fruchet (value ^ sensor->upside_down) ? 3306c3f3ba3eSHugues Fruchet (BIT(2) | BIT(1)) : 0); 3307ce85705aSHugues Fruchet } 3308ce85705aSHugues Fruchet 3309bce93b82SJacopo Mondi static int ov5640_set_ctrl_vblank(struct ov5640_dev *sensor, int value) 3310bce93b82SJacopo Mondi { 3311bce93b82SJacopo Mondi const struct ov5640_mode_info *mode = sensor->current_mode; 3312bce93b82SJacopo Mondi 3313bce93b82SJacopo Mondi /* Update the VTOT timing register value. */ 3314bce93b82SJacopo Mondi return ov5640_write_reg16(sensor, OV5640_REG_TIMING_VTS, 3315bce93b82SJacopo Mondi mode->height + value); 3316bce93b82SJacopo Mondi } 3317bce93b82SJacopo Mondi 331819a81c14SSteve Longerbeam static int ov5640_g_volatile_ctrl(struct v4l2_ctrl *ctrl) 331919a81c14SSteve Longerbeam { 332019a81c14SSteve Longerbeam struct v4l2_subdev *sd = ctrl_to_sd(ctrl); 332119a81c14SSteve Longerbeam struct ov5640_dev *sensor = to_ov5640_dev(sd); 332219a81c14SSteve Longerbeam int val; 332319a81c14SSteve Longerbeam 332419a81c14SSteve Longerbeam /* v4l2_ctrl_lock() locks our own mutex */ 332519a81c14SSteve Longerbeam 332685644a9bSPaul Elder if (!pm_runtime_get_if_in_use(&sensor->i2c_client->dev)) 332785644a9bSPaul Elder return 0; 332885644a9bSPaul Elder 332919a81c14SSteve Longerbeam switch (ctrl->id) { 333019a81c14SSteve Longerbeam case V4L2_CID_AUTOGAIN: 333119a81c14SSteve Longerbeam val = ov5640_get_gain(sensor); 333219a81c14SSteve Longerbeam if (val < 0) 333319a81c14SSteve Longerbeam return val; 333419a81c14SSteve Longerbeam sensor->ctrls.gain->val = val; 333519a81c14SSteve Longerbeam break; 333619a81c14SSteve Longerbeam case V4L2_CID_EXPOSURE_AUTO: 333719a81c14SSteve Longerbeam val = ov5640_get_exposure(sensor); 333819a81c14SSteve Longerbeam if (val < 0) 333919a81c14SSteve Longerbeam return val; 334019a81c14SSteve Longerbeam sensor->ctrls.exposure->val = val; 334119a81c14SSteve Longerbeam break; 334219a81c14SSteve Longerbeam } 334319a81c14SSteve Longerbeam 3344e13064a3SAndrey Skvortsov pm_runtime_mark_last_busy(&sensor->i2c_client->dev); 334585644a9bSPaul Elder pm_runtime_put_autosuspend(&sensor->i2c_client->dev); 334685644a9bSPaul Elder 334719a81c14SSteve Longerbeam return 0; 334819a81c14SSteve Longerbeam } 334919a81c14SSteve Longerbeam 335019a81c14SSteve Longerbeam static int ov5640_s_ctrl(struct v4l2_ctrl *ctrl) 335119a81c14SSteve Longerbeam { 335219a81c14SSteve Longerbeam struct v4l2_subdev *sd = ctrl_to_sd(ctrl); 335319a81c14SSteve Longerbeam struct ov5640_dev *sensor = to_ov5640_dev(sd); 3354bce93b82SJacopo Mondi const struct ov5640_mode_info *mode = sensor->current_mode; 3355bce93b82SJacopo Mondi const struct ov5640_timings *timings; 3356bce93b82SJacopo Mondi unsigned int exp_max; 335719a81c14SSteve Longerbeam int ret; 335819a81c14SSteve Longerbeam 335919a81c14SSteve Longerbeam /* v4l2_ctrl_lock() locks our own mutex */ 336019a81c14SSteve Longerbeam 3361bce93b82SJacopo Mondi switch (ctrl->id) { 3362bce93b82SJacopo Mondi case V4L2_CID_VBLANK: 3363bce93b82SJacopo Mondi /* Update the exposure range to the newly programmed vblank. */ 3364bce93b82SJacopo Mondi timings = ov5640_timings(sensor, mode); 3365bce93b82SJacopo Mondi exp_max = mode->height + ctrl->val - 4; 3366bce93b82SJacopo Mondi __v4l2_ctrl_modify_range(sensor->ctrls.exposure, 3367bce93b82SJacopo Mondi sensor->ctrls.exposure->minimum, 3368bce93b82SJacopo Mondi exp_max, sensor->ctrls.exposure->step, 3369bce93b82SJacopo Mondi timings->vblank_def); 3370bce93b82SJacopo Mondi break; 3371bce93b82SJacopo Mondi } 3372bce93b82SJacopo Mondi 337319a81c14SSteve Longerbeam /* 337419a81c14SSteve Longerbeam * If the device is not powered up by the host driver do 337519a81c14SSteve Longerbeam * not apply any controls to H/W at this time. Instead 337685644a9bSPaul Elder * the controls will be restored at start streaming time. 337719a81c14SSteve Longerbeam */ 337885644a9bSPaul Elder if (!pm_runtime_get_if_in_use(&sensor->i2c_client->dev)) 337919a81c14SSteve Longerbeam return 0; 338019a81c14SSteve Longerbeam 338119a81c14SSteve Longerbeam switch (ctrl->id) { 338219a81c14SSteve Longerbeam case V4L2_CID_AUTOGAIN: 338319a81c14SSteve Longerbeam ret = ov5640_set_ctrl_gain(sensor, ctrl->val); 338419a81c14SSteve Longerbeam break; 338519a81c14SSteve Longerbeam case V4L2_CID_EXPOSURE_AUTO: 338619a81c14SSteve Longerbeam ret = ov5640_set_ctrl_exposure(sensor, ctrl->val); 338719a81c14SSteve Longerbeam break; 338819a81c14SSteve Longerbeam case V4L2_CID_AUTO_WHITE_BALANCE: 338919a81c14SSteve Longerbeam ret = ov5640_set_ctrl_white_balance(sensor, ctrl->val); 339019a81c14SSteve Longerbeam break; 339119a81c14SSteve Longerbeam case V4L2_CID_HUE: 339219a81c14SSteve Longerbeam ret = ov5640_set_ctrl_hue(sensor, ctrl->val); 339319a81c14SSteve Longerbeam break; 339419a81c14SSteve Longerbeam case V4L2_CID_CONTRAST: 339519a81c14SSteve Longerbeam ret = ov5640_set_ctrl_contrast(sensor, ctrl->val); 339619a81c14SSteve Longerbeam break; 339719a81c14SSteve Longerbeam case V4L2_CID_SATURATION: 339819a81c14SSteve Longerbeam ret = ov5640_set_ctrl_saturation(sensor, ctrl->val); 339919a81c14SSteve Longerbeam break; 340019a81c14SSteve Longerbeam case V4L2_CID_TEST_PATTERN: 340119a81c14SSteve Longerbeam ret = ov5640_set_ctrl_test_pattern(sensor, ctrl->val); 340219a81c14SSteve Longerbeam break; 34031068fecaSMylène Josserand case V4L2_CID_POWER_LINE_FREQUENCY: 34041068fecaSMylène Josserand ret = ov5640_set_ctrl_light_freq(sensor, ctrl->val); 34051068fecaSMylène Josserand break; 3406ce85705aSHugues Fruchet case V4L2_CID_HFLIP: 3407ce85705aSHugues Fruchet ret = ov5640_set_ctrl_hflip(sensor, ctrl->val); 3408ce85705aSHugues Fruchet break; 3409ce85705aSHugues Fruchet case V4L2_CID_VFLIP: 3410ce85705aSHugues Fruchet ret = ov5640_set_ctrl_vflip(sensor, ctrl->val); 3411ce85705aSHugues Fruchet break; 3412bce93b82SJacopo Mondi case V4L2_CID_VBLANK: 3413bce93b82SJacopo Mondi ret = ov5640_set_ctrl_vblank(sensor, ctrl->val); 3414bce93b82SJacopo Mondi break; 341519a81c14SSteve Longerbeam default: 341619a81c14SSteve Longerbeam ret = -EINVAL; 341719a81c14SSteve Longerbeam break; 341819a81c14SSteve Longerbeam } 341919a81c14SSteve Longerbeam 3420e13064a3SAndrey Skvortsov pm_runtime_mark_last_busy(&sensor->i2c_client->dev); 342185644a9bSPaul Elder pm_runtime_put_autosuspend(&sensor->i2c_client->dev); 342285644a9bSPaul Elder 342319a81c14SSteve Longerbeam return ret; 342419a81c14SSteve Longerbeam } 342519a81c14SSteve Longerbeam 342619a81c14SSteve Longerbeam static const struct v4l2_ctrl_ops ov5640_ctrl_ops = { 342719a81c14SSteve Longerbeam .g_volatile_ctrl = ov5640_g_volatile_ctrl, 342819a81c14SSteve Longerbeam .s_ctrl = ov5640_s_ctrl, 342919a81c14SSteve Longerbeam }; 343019a81c14SSteve Longerbeam 343119a81c14SSteve Longerbeam static int ov5640_init_controls(struct ov5640_dev *sensor) 343219a81c14SSteve Longerbeam { 343322845bf2SJacopo Mondi const struct ov5640_mode_info *mode = sensor->current_mode; 343419a81c14SSteve Longerbeam const struct v4l2_ctrl_ops *ops = &ov5640_ctrl_ops; 343519a81c14SSteve Longerbeam struct ov5640_ctrls *ctrls = &sensor->ctrls; 343619a81c14SSteve Longerbeam struct v4l2_ctrl_handler *hdl = &ctrls->handler; 34371066fc1cSJacopo Mondi struct v4l2_fwnode_device_properties props; 343832979f67SJacopo Mondi const struct ov5640_timings *timings; 3439bce93b82SJacopo Mondi unsigned int max_vblank; 344032979f67SJacopo Mondi unsigned int hblank; 344119a81c14SSteve Longerbeam int ret; 344219a81c14SSteve Longerbeam 344319a81c14SSteve Longerbeam v4l2_ctrl_handler_init(hdl, 32); 344419a81c14SSteve Longerbeam 344519a81c14SSteve Longerbeam /* we can use our own mutex for the ctrl lock */ 344619a81c14SSteve Longerbeam hdl->lock = &sensor->lock; 344719a81c14SSteve Longerbeam 3448cc196e48SBenoit Parrot /* Clock related controls */ 3449cc196e48SBenoit Parrot ctrls->pixel_rate = v4l2_ctrl_new_std(hdl, ops, V4L2_CID_PIXEL_RATE, 345022845bf2SJacopo Mondi ov5640_pixel_rates[OV5640_NUM_PIXEL_RATES - 1], 345122845bf2SJacopo Mondi ov5640_pixel_rates[0], 1, 345222845bf2SJacopo Mondi ov5640_pixel_rates[mode->pixel_rate]); 3453cc196e48SBenoit Parrot 34547a3b8d4bSJacopo Mondi ctrls->link_freq = v4l2_ctrl_new_int_menu(hdl, ops, 34557a3b8d4bSJacopo Mondi V4L2_CID_LINK_FREQ, 34567a3b8d4bSJacopo Mondi ARRAY_SIZE(ov5640_csi2_link_freqs) - 1, 34577a3b8d4bSJacopo Mondi OV5640_DEFAULT_LINK_FREQ, 34587a3b8d4bSJacopo Mondi ov5640_csi2_link_freqs); 34597a3b8d4bSJacopo Mondi 346032979f67SJacopo Mondi timings = ov5640_timings(sensor, mode); 346132979f67SJacopo Mondi hblank = timings->htot - mode->width; 346232979f67SJacopo Mondi ctrls->hblank = v4l2_ctrl_new_std(hdl, ops, V4L2_CID_HBLANK, hblank, 346332979f67SJacopo Mondi hblank, 1, hblank); 346432979f67SJacopo Mondi 3465bce93b82SJacopo Mondi max_vblank = OV5640_MAX_VTS - mode->height; 3466bce93b82SJacopo Mondi ctrls->vblank = v4l2_ctrl_new_std(hdl, ops, V4L2_CID_VBLANK, 3467bce93b82SJacopo Mondi OV5640_MIN_VBLANK, max_vblank, 3468bce93b82SJacopo Mondi 1, timings->vblank_def); 3469bce93b82SJacopo Mondi 347019a81c14SSteve Longerbeam /* Auto/manual white balance */ 347119a81c14SSteve Longerbeam ctrls->auto_wb = v4l2_ctrl_new_std(hdl, ops, 347219a81c14SSteve Longerbeam V4L2_CID_AUTO_WHITE_BALANCE, 347319a81c14SSteve Longerbeam 0, 1, 1, 1); 347419a81c14SSteve Longerbeam ctrls->blue_balance = v4l2_ctrl_new_std(hdl, ops, V4L2_CID_BLUE_BALANCE, 347519a81c14SSteve Longerbeam 0, 4095, 1, 0); 347619a81c14SSteve Longerbeam ctrls->red_balance = v4l2_ctrl_new_std(hdl, ops, V4L2_CID_RED_BALANCE, 347719a81c14SSteve Longerbeam 0, 4095, 1, 0); 347819a81c14SSteve Longerbeam /* Auto/manual exposure */ 347919a81c14SSteve Longerbeam ctrls->auto_exp = v4l2_ctrl_new_std_menu(hdl, ops, 348019a81c14SSteve Longerbeam V4L2_CID_EXPOSURE_AUTO, 348119a81c14SSteve Longerbeam V4L2_EXPOSURE_MANUAL, 0, 348219a81c14SSteve Longerbeam V4L2_EXPOSURE_AUTO); 348319a81c14SSteve Longerbeam ctrls->exposure = v4l2_ctrl_new_std(hdl, ops, V4L2_CID_EXPOSURE, 348419a81c14SSteve Longerbeam 0, 65535, 1, 0); 348519a81c14SSteve Longerbeam /* Auto/manual gain */ 348619a81c14SSteve Longerbeam ctrls->auto_gain = v4l2_ctrl_new_std(hdl, ops, V4L2_CID_AUTOGAIN, 348719a81c14SSteve Longerbeam 0, 1, 1, 1); 348819a81c14SSteve Longerbeam ctrls->gain = v4l2_ctrl_new_std(hdl, ops, V4L2_CID_GAIN, 348919a81c14SSteve Longerbeam 0, 1023, 1, 0); 349019a81c14SSteve Longerbeam 349119a81c14SSteve Longerbeam ctrls->saturation = v4l2_ctrl_new_std(hdl, ops, V4L2_CID_SATURATION, 349219a81c14SSteve Longerbeam 0, 255, 1, 64); 349319a81c14SSteve Longerbeam ctrls->hue = v4l2_ctrl_new_std(hdl, ops, V4L2_CID_HUE, 349419a81c14SSteve Longerbeam 0, 359, 1, 0); 349519a81c14SSteve Longerbeam ctrls->contrast = v4l2_ctrl_new_std(hdl, ops, V4L2_CID_CONTRAST, 349619a81c14SSteve Longerbeam 0, 255, 1, 0); 349719a81c14SSteve Longerbeam ctrls->test_pattern = 349819a81c14SSteve Longerbeam v4l2_ctrl_new_std_menu_items(hdl, ops, V4L2_CID_TEST_PATTERN, 349919a81c14SSteve Longerbeam ARRAY_SIZE(test_pattern_menu) - 1, 350019a81c14SSteve Longerbeam 0, 0, test_pattern_menu); 3501ce85705aSHugues Fruchet ctrls->hflip = v4l2_ctrl_new_std(hdl, ops, V4L2_CID_HFLIP, 3502ce85705aSHugues Fruchet 0, 1, 1, 0); 3503ce85705aSHugues Fruchet ctrls->vflip = v4l2_ctrl_new_std(hdl, ops, V4L2_CID_VFLIP, 3504ce85705aSHugues Fruchet 0, 1, 1, 0); 350519a81c14SSteve Longerbeam 35061068fecaSMylène Josserand ctrls->light_freq = 35071068fecaSMylène Josserand v4l2_ctrl_new_std_menu(hdl, ops, 35081068fecaSMylène Josserand V4L2_CID_POWER_LINE_FREQUENCY, 35091068fecaSMylène Josserand V4L2_CID_POWER_LINE_FREQUENCY_AUTO, 0, 35101068fecaSMylène Josserand V4L2_CID_POWER_LINE_FREQUENCY_50HZ); 35111068fecaSMylène Josserand 351219a81c14SSteve Longerbeam if (hdl->error) { 351319a81c14SSteve Longerbeam ret = hdl->error; 351419a81c14SSteve Longerbeam goto free_ctrls; 351519a81c14SSteve Longerbeam } 351619a81c14SSteve Longerbeam 35171066fc1cSJacopo Mondi ret = v4l2_fwnode_device_parse(&sensor->i2c_client->dev, &props); 35181066fc1cSJacopo Mondi if (ret) 35191066fc1cSJacopo Mondi goto free_ctrls; 35201066fc1cSJacopo Mondi 35211066fc1cSJacopo Mondi if (props.rotation == 180) 35221066fc1cSJacopo Mondi sensor->upside_down = true; 35231066fc1cSJacopo Mondi 35241066fc1cSJacopo Mondi ret = v4l2_ctrl_new_fwnode_properties(hdl, ops, &props); 35251066fc1cSJacopo Mondi if (ret) 35261066fc1cSJacopo Mondi goto free_ctrls; 35271066fc1cSJacopo Mondi 3528cc196e48SBenoit Parrot ctrls->pixel_rate->flags |= V4L2_CTRL_FLAG_READ_ONLY; 35297a3b8d4bSJacopo Mondi ctrls->link_freq->flags |= V4L2_CTRL_FLAG_READ_ONLY; 353032979f67SJacopo Mondi ctrls->hblank->flags |= V4L2_CTRL_FLAG_READ_ONLY; 353119a81c14SSteve Longerbeam ctrls->gain->flags |= V4L2_CTRL_FLAG_VOLATILE; 353219a81c14SSteve Longerbeam ctrls->exposure->flags |= V4L2_CTRL_FLAG_VOLATILE; 353319a81c14SSteve Longerbeam 353419a81c14SSteve Longerbeam v4l2_ctrl_auto_cluster(3, &ctrls->auto_wb, 0, false); 353519a81c14SSteve Longerbeam v4l2_ctrl_auto_cluster(2, &ctrls->auto_gain, 0, true); 353619a81c14SSteve Longerbeam v4l2_ctrl_auto_cluster(2, &ctrls->auto_exp, 1, true); 353719a81c14SSteve Longerbeam 353819a81c14SSteve Longerbeam sensor->sd.ctrl_handler = hdl; 353919a81c14SSteve Longerbeam return 0; 354019a81c14SSteve Longerbeam 354119a81c14SSteve Longerbeam free_ctrls: 354219a81c14SSteve Longerbeam v4l2_ctrl_handler_free(hdl); 354319a81c14SSteve Longerbeam return ret; 354419a81c14SSteve Longerbeam } 354519a81c14SSteve Longerbeam 354619a81c14SSteve Longerbeam static int ov5640_enum_frame_size(struct v4l2_subdev *sd, 35470d346d2aSTomi Valkeinen struct v4l2_subdev_state *sd_state, 354819a81c14SSteve Longerbeam struct v4l2_subdev_frame_size_enum *fse) 354919a81c14SSteve Longerbeam { 3550a89f14bbSJacopo Mondi struct ov5640_dev *sensor = to_ov5640_dev(sd); 3551a89f14bbSJacopo Mondi u32 bpp = ov5640_code_to_bpp(sensor, fse->code); 35527dcb3a2fSJacopo Mondi unsigned int index = fse->index; 35537dcb3a2fSJacopo Mondi 355419a81c14SSteve Longerbeam if (fse->pad != 0) 355519a81c14SSteve Longerbeam return -EINVAL; 35567dcb3a2fSJacopo Mondi if (!bpp) 355719a81c14SSteve Longerbeam return -EINVAL; 355819a81c14SSteve Longerbeam 35597dcb3a2fSJacopo Mondi /* Only low-resolution modes are supported for 24bpp formats. */ 35607dcb3a2fSJacopo Mondi if (bpp == 24 && index >= OV5640_MODE_720P_1280_720) 35617dcb3a2fSJacopo Mondi return -EINVAL; 35627dcb3a2fSJacopo Mondi 35637dcb3a2fSJacopo Mondi /* FIXME: Low resolution modes don't work in 8bpp formats. */ 35647dcb3a2fSJacopo Mondi if (bpp == 8) 35657dcb3a2fSJacopo Mondi index += OV5640_MODE_720P_1280_720; 35667dcb3a2fSJacopo Mondi 35677dcb3a2fSJacopo Mondi if (index >= OV5640_NUM_MODES) 35687dcb3a2fSJacopo Mondi return -EINVAL; 35697dcb3a2fSJacopo Mondi 35707dcb3a2fSJacopo Mondi fse->min_width = ov5640_mode_data[index].width; 357141d8d7f5SHugues Fruchet fse->max_width = fse->min_width; 35727dcb3a2fSJacopo Mondi fse->min_height = ov5640_mode_data[index].height; 357341d8d7f5SHugues Fruchet fse->max_height = fse->min_height; 357419a81c14SSteve Longerbeam 357519a81c14SSteve Longerbeam return 0; 357619a81c14SSteve Longerbeam } 357719a81c14SSteve Longerbeam 357819a81c14SSteve Longerbeam static int ov5640_enum_frame_interval( 357919a81c14SSteve Longerbeam struct v4l2_subdev *sd, 35800d346d2aSTomi Valkeinen struct v4l2_subdev_state *sd_state, 358119a81c14SSteve Longerbeam struct v4l2_subdev_frame_interval_enum *fie) 358219a81c14SSteve Longerbeam { 358319a81c14SSteve Longerbeam struct ov5640_dev *sensor = to_ov5640_dev(sd); 3584f33b56d3SGuoniu.zhou const struct ov5640_mode_info *mode; 358519a81c14SSteve Longerbeam struct v4l2_fract tpf; 358619a81c14SSteve Longerbeam int ret; 358719a81c14SSteve Longerbeam 358819a81c14SSteve Longerbeam if (fie->pad != 0) 358919a81c14SSteve Longerbeam return -EINVAL; 359019a81c14SSteve Longerbeam if (fie->index >= OV5640_NUM_FRAMERATES) 359119a81c14SSteve Longerbeam return -EINVAL; 359219a81c14SSteve Longerbeam 3593f33b56d3SGuoniu.zhou mode = ov5640_find_mode(sensor, fie->width, fie->height, false); 3594f33b56d3SGuoniu.zhou if (!mode) 3595f33b56d3SGuoniu.zhou return -EINVAL; 3596f33b56d3SGuoniu.zhou 359719a81c14SSteve Longerbeam tpf.numerator = 1; 359819a81c14SSteve Longerbeam tpf.denominator = ov5640_framerates[fie->index]; 359919a81c14SSteve Longerbeam 3600f33b56d3SGuoniu.zhou ret = ov5640_try_frame_interval(sensor, &tpf, mode); 360119a81c14SSteve Longerbeam if (ret < 0) 360219a81c14SSteve Longerbeam return -EINVAL; 360319a81c14SSteve Longerbeam 360419a81c14SSteve Longerbeam fie->interval = tpf; 360519a81c14SSteve Longerbeam return 0; 360619a81c14SSteve Longerbeam } 360719a81c14SSteve Longerbeam 360819a81c14SSteve Longerbeam static int ov5640_g_frame_interval(struct v4l2_subdev *sd, 360919a81c14SSteve Longerbeam struct v4l2_subdev_frame_interval *fi) 361019a81c14SSteve Longerbeam { 361119a81c14SSteve Longerbeam struct ov5640_dev *sensor = to_ov5640_dev(sd); 361219a81c14SSteve Longerbeam 361319a81c14SSteve Longerbeam mutex_lock(&sensor->lock); 361419a81c14SSteve Longerbeam fi->interval = sensor->frame_interval; 361519a81c14SSteve Longerbeam mutex_unlock(&sensor->lock); 361619a81c14SSteve Longerbeam 361719a81c14SSteve Longerbeam return 0; 361819a81c14SSteve Longerbeam } 361919a81c14SSteve Longerbeam 362019a81c14SSteve Longerbeam static int ov5640_s_frame_interval(struct v4l2_subdev *sd, 362119a81c14SSteve Longerbeam struct v4l2_subdev_frame_interval *fi) 362219a81c14SSteve Longerbeam { 362319a81c14SSteve Longerbeam struct ov5640_dev *sensor = to_ov5640_dev(sd); 362419a81c14SSteve Longerbeam const struct ov5640_mode_info *mode; 362519a81c14SSteve Longerbeam int frame_rate, ret = 0; 362619a81c14SSteve Longerbeam 362719a81c14SSteve Longerbeam if (fi->pad != 0) 362819a81c14SSteve Longerbeam return -EINVAL; 362919a81c14SSteve Longerbeam 363019a81c14SSteve Longerbeam mutex_lock(&sensor->lock); 363119a81c14SSteve Longerbeam 363219a81c14SSteve Longerbeam if (sensor->streaming) { 363319a81c14SSteve Longerbeam ret = -EBUSY; 363419a81c14SSteve Longerbeam goto out; 363519a81c14SSteve Longerbeam } 363619a81c14SSteve Longerbeam 363719a81c14SSteve Longerbeam mode = sensor->current_mode; 363819a81c14SSteve Longerbeam 3639f33b56d3SGuoniu.zhou frame_rate = ov5640_try_frame_interval(sensor, &fi->interval, mode); 3640e823fb16SMaxime Ripard if (frame_rate < 0) { 3641e823fb16SMaxime Ripard /* Always return a valid frame interval value */ 3642e823fb16SMaxime Ripard fi->interval = sensor->frame_interval; 3643e823fb16SMaxime Ripard goto out; 3644e823fb16SMaxime Ripard } 364519a81c14SSteve Longerbeam 3646b6ae5022SJacopo Mondi mode = ov5640_find_mode(sensor, mode->width, mode->height, true); 36473c4a7372SHugues Fruchet if (!mode) { 36483c4a7372SHugues Fruchet ret = -EINVAL; 36493c4a7372SHugues Fruchet goto out; 36503c4a7372SHugues Fruchet } 36513c4a7372SHugues Fruchet 3652b6ae5022SJacopo Mondi if (ov5640_framerates[frame_rate] > ov5640_framerates[mode->max_fps]) { 3653b6ae5022SJacopo Mondi ret = -EINVAL; 3654b6ae5022SJacopo Mondi goto out; 3655b6ae5022SJacopo Mondi } 3656b6ae5022SJacopo Mondi 36570929983eSHugues Fruchet if (mode != sensor->current_mode || 36580929983eSHugues Fruchet frame_rate != sensor->current_fr) { 36590929983eSHugues Fruchet sensor->current_fr = frame_rate; 36600929983eSHugues Fruchet sensor->frame_interval = fi->interval; 36613c4a7372SHugues Fruchet sensor->current_mode = mode; 366219a81c14SSteve Longerbeam sensor->pending_mode_change = true; 3663cc196e48SBenoit Parrot 366419f2e3e6SHugues Fruchet ov5640_update_pixel_rate(sensor); 36656949d864SHugues Fruchet } 366619a81c14SSteve Longerbeam out: 366719a81c14SSteve Longerbeam mutex_unlock(&sensor->lock); 366819a81c14SSteve Longerbeam return ret; 366919a81c14SSteve Longerbeam } 367019a81c14SSteve Longerbeam 367119a81c14SSteve Longerbeam static int ov5640_enum_mbus_code(struct v4l2_subdev *sd, 36720d346d2aSTomi Valkeinen struct v4l2_subdev_state *sd_state, 367319a81c14SSteve Longerbeam struct v4l2_subdev_mbus_code_enum *code) 367419a81c14SSteve Longerbeam { 3675a89f14bbSJacopo Mondi struct ov5640_dev *sensor = to_ov5640_dev(sd); 3676a89f14bbSJacopo Mondi const struct ov5640_pixfmt *formats; 3677a89f14bbSJacopo Mondi unsigned int num_formats; 3678a89f14bbSJacopo Mondi 3679a89f14bbSJacopo Mondi if (ov5640_is_csi2(sensor)) { 3680a89f14bbSJacopo Mondi formats = ov5640_csi2_formats; 3681a89f14bbSJacopo Mondi num_formats = ARRAY_SIZE(ov5640_csi2_formats) - 1; 3682a89f14bbSJacopo Mondi } else { 3683a89f14bbSJacopo Mondi formats = ov5640_dvp_formats; 3684a89f14bbSJacopo Mondi num_formats = ARRAY_SIZE(ov5640_dvp_formats) - 1; 3685a89f14bbSJacopo Mondi } 3686a89f14bbSJacopo Mondi 3687a89f14bbSJacopo Mondi if (code->index >= num_formats) 368819a81c14SSteve Longerbeam return -EINVAL; 368919a81c14SSteve Longerbeam 3690a89f14bbSJacopo Mondi code->code = formats[code->index].code; 3691a89f14bbSJacopo Mondi 369219a81c14SSteve Longerbeam return 0; 369319a81c14SSteve Longerbeam } 369419a81c14SSteve Longerbeam 369519a81c14SSteve Longerbeam static int ov5640_s_stream(struct v4l2_subdev *sd, int enable) 369619a81c14SSteve Longerbeam { 369719a81c14SSteve Longerbeam struct ov5640_dev *sensor = to_ov5640_dev(sd); 369819a81c14SSteve Longerbeam int ret = 0; 369919a81c14SSteve Longerbeam 370085644a9bSPaul Elder if (enable) { 370185644a9bSPaul Elder ret = pm_runtime_resume_and_get(&sensor->i2c_client->dev); 370285644a9bSPaul Elder if (ret < 0) 370385644a9bSPaul Elder return ret; 370485644a9bSPaul Elder 370585644a9bSPaul Elder ret = v4l2_ctrl_handler_setup(&sensor->ctrls.handler); 370685644a9bSPaul Elder if (ret) { 370785644a9bSPaul Elder pm_runtime_put(&sensor->i2c_client->dev); 370885644a9bSPaul Elder return ret; 370985644a9bSPaul Elder } 371085644a9bSPaul Elder } 371185644a9bSPaul Elder 371219a81c14SSteve Longerbeam mutex_lock(&sensor->lock); 371319a81c14SSteve Longerbeam 371419a81c14SSteve Longerbeam if (sensor->streaming == !enable) { 371519a81c14SSteve Longerbeam if (enable && sensor->pending_mode_change) { 3716985cdcb0SHugues Fruchet ret = ov5640_set_mode(sensor); 371719a81c14SSteve Longerbeam if (ret) 371819a81c14SSteve Longerbeam goto out; 3719fb98e29fSHugues Fruchet } 3720e3ee691dSHugues Fruchet 3721fb98e29fSHugues Fruchet if (enable && sensor->pending_fmt_change) { 3722e3ee691dSHugues Fruchet ret = ov5640_set_framefmt(sensor, &sensor->fmt); 3723e3ee691dSHugues Fruchet if (ret) 3724e3ee691dSHugues Fruchet goto out; 3725fb98e29fSHugues Fruchet sensor->pending_fmt_change = false; 372619a81c14SSteve Longerbeam } 372719a81c14SSteve Longerbeam 37288e823f5cSJacopo Mondi if (ov5640_is_csi2(sensor)) 3729f22996dbSHugues Fruchet ret = ov5640_set_stream_mipi(sensor, enable); 3730f22996dbSHugues Fruchet else 3731f22996dbSHugues Fruchet ret = ov5640_set_stream_dvp(sensor, enable); 3732f22996dbSHugues Fruchet 373319a81c14SSteve Longerbeam if (!ret) 373419a81c14SSteve Longerbeam sensor->streaming = enable; 373519a81c14SSteve Longerbeam } 373685644a9bSPaul Elder 373719a81c14SSteve Longerbeam out: 373819a81c14SSteve Longerbeam mutex_unlock(&sensor->lock); 373985644a9bSPaul Elder 3740e13064a3SAndrey Skvortsov if (!enable || ret) { 3741e13064a3SAndrey Skvortsov pm_runtime_mark_last_busy(&sensor->i2c_client->dev); 374285644a9bSPaul Elder pm_runtime_put_autosuspend(&sensor->i2c_client->dev); 3743e13064a3SAndrey Skvortsov } 374485644a9bSPaul Elder 374519a81c14SSteve Longerbeam return ret; 374619a81c14SSteve Longerbeam } 374719a81c14SSteve Longerbeam 374890b0f355SJacopo Mondi static int ov5640_init_cfg(struct v4l2_subdev *sd, 374990b0f355SJacopo Mondi struct v4l2_subdev_state *state) 375090b0f355SJacopo Mondi { 375168453b02SGuoniu.zhou struct ov5640_dev *sensor = to_ov5640_dev(sd); 375290b0f355SJacopo Mondi struct v4l2_mbus_framefmt *fmt = 375390b0f355SJacopo Mondi v4l2_subdev_get_try_format(sd, state, 0); 375466ed85ebSJacopo Mondi struct v4l2_rect *crop = v4l2_subdev_get_try_crop(sd, state, 0); 375590b0f355SJacopo Mondi 375668453b02SGuoniu.zhou *fmt = ov5640_is_csi2(sensor) ? ov5640_csi2_default_fmt : 375768453b02SGuoniu.zhou ov5640_dvp_default_fmt; 375890b0f355SJacopo Mondi 375966ed85ebSJacopo Mondi crop->left = OV5640_PIXEL_ARRAY_LEFT; 376066ed85ebSJacopo Mondi crop->top = OV5640_PIXEL_ARRAY_TOP; 376166ed85ebSJacopo Mondi crop->width = OV5640_PIXEL_ARRAY_WIDTH; 376266ed85ebSJacopo Mondi crop->height = OV5640_PIXEL_ARRAY_HEIGHT; 376366ed85ebSJacopo Mondi 376490b0f355SJacopo Mondi return 0; 376590b0f355SJacopo Mondi } 376690b0f355SJacopo Mondi 376719a81c14SSteve Longerbeam static const struct v4l2_subdev_core_ops ov5640_core_ops = { 37682d18fbc5SAkinobu Mita .log_status = v4l2_ctrl_subdev_log_status, 37692d18fbc5SAkinobu Mita .subscribe_event = v4l2_ctrl_subdev_subscribe_event, 37702d18fbc5SAkinobu Mita .unsubscribe_event = v4l2_event_subdev_unsubscribe, 377119a81c14SSteve Longerbeam }; 377219a81c14SSteve Longerbeam 377319a81c14SSteve Longerbeam static const struct v4l2_subdev_video_ops ov5640_video_ops = { 377419a81c14SSteve Longerbeam .g_frame_interval = ov5640_g_frame_interval, 377519a81c14SSteve Longerbeam .s_frame_interval = ov5640_s_frame_interval, 377619a81c14SSteve Longerbeam .s_stream = ov5640_s_stream, 377719a81c14SSteve Longerbeam }; 377819a81c14SSteve Longerbeam 377919a81c14SSteve Longerbeam static const struct v4l2_subdev_pad_ops ov5640_pad_ops = { 378090b0f355SJacopo Mondi .init_cfg = ov5640_init_cfg, 378119a81c14SSteve Longerbeam .enum_mbus_code = ov5640_enum_mbus_code, 378219a81c14SSteve Longerbeam .get_fmt = ov5640_get_fmt, 378319a81c14SSteve Longerbeam .set_fmt = ov5640_set_fmt, 378466ed85ebSJacopo Mondi .get_selection = ov5640_get_selection, 378519a81c14SSteve Longerbeam .enum_frame_size = ov5640_enum_frame_size, 378619a81c14SSteve Longerbeam .enum_frame_interval = ov5640_enum_frame_interval, 378719a81c14SSteve Longerbeam }; 378819a81c14SSteve Longerbeam 378919a81c14SSteve Longerbeam static const struct v4l2_subdev_ops ov5640_subdev_ops = { 379019a81c14SSteve Longerbeam .core = &ov5640_core_ops, 379119a81c14SSteve Longerbeam .video = &ov5640_video_ops, 379219a81c14SSteve Longerbeam .pad = &ov5640_pad_ops, 379319a81c14SSteve Longerbeam }; 379419a81c14SSteve Longerbeam 379519a81c14SSteve Longerbeam static int ov5640_get_regulators(struct ov5640_dev *sensor) 379619a81c14SSteve Longerbeam { 379719a81c14SSteve Longerbeam int i; 379819a81c14SSteve Longerbeam 379919a81c14SSteve Longerbeam for (i = 0; i < OV5640_NUM_SUPPLIES; i++) 380019a81c14SSteve Longerbeam sensor->supplies[i].supply = ov5640_supply_name[i]; 380119a81c14SSteve Longerbeam 380219a81c14SSteve Longerbeam return devm_regulator_bulk_get(&sensor->i2c_client->dev, 380319a81c14SSteve Longerbeam OV5640_NUM_SUPPLIES, 380419a81c14SSteve Longerbeam sensor->supplies); 380519a81c14SSteve Longerbeam } 380619a81c14SSteve Longerbeam 38070f7acb52SHugues Fruchet static int ov5640_check_chip_id(struct ov5640_dev *sensor) 38080f7acb52SHugues Fruchet { 38090f7acb52SHugues Fruchet struct i2c_client *client = sensor->i2c_client; 38100f7acb52SHugues Fruchet int ret = 0; 38110f7acb52SHugues Fruchet u16 chip_id; 38120f7acb52SHugues Fruchet 38130f7acb52SHugues Fruchet ret = ov5640_read_reg16(sensor, OV5640_REG_CHIP_ID, &chip_id); 38140f7acb52SHugues Fruchet if (ret) { 38150f7acb52SHugues Fruchet dev_err(&client->dev, "%s: failed to read chip identifier\n", 38160f7acb52SHugues Fruchet __func__); 381785644a9bSPaul Elder return ret; 38180f7acb52SHugues Fruchet } 38190f7acb52SHugues Fruchet 38200f7acb52SHugues Fruchet if (chip_id != 0x5640) { 38210f7acb52SHugues Fruchet dev_err(&client->dev, "%s: wrong chip identifier, expected 0x5640, got 0x%x\n", 38220f7acb52SHugues Fruchet __func__, chip_id); 382385644a9bSPaul Elder return -ENXIO; 38240f7acb52SHugues Fruchet } 38250f7acb52SHugues Fruchet 382685644a9bSPaul Elder return 0; 38270f7acb52SHugues Fruchet } 38280f7acb52SHugues Fruchet 3829e6714993SKieran Bingham static int ov5640_probe(struct i2c_client *client) 383019a81c14SSteve Longerbeam { 383119a81c14SSteve Longerbeam struct device *dev = &client->dev; 383219a81c14SSteve Longerbeam struct fwnode_handle *endpoint; 383319a81c14SSteve Longerbeam struct ov5640_dev *sensor; 383419a81c14SSteve Longerbeam int ret; 383519a81c14SSteve Longerbeam 383619a81c14SSteve Longerbeam sensor = devm_kzalloc(dev, sizeof(*sensor), GFP_KERNEL); 383719a81c14SSteve Longerbeam if (!sensor) 383819a81c14SSteve Longerbeam return -ENOMEM; 383919a81c14SSteve Longerbeam 384019a81c14SSteve Longerbeam sensor->i2c_client = client; 3841fb98e29fSHugues Fruchet 3842fb98e29fSHugues Fruchet /* 3843fb98e29fSHugues Fruchet * default init sequence initialize sensor to 3844fb98e29fSHugues Fruchet * YUV422 UYVY VGA@30fps 3845fb98e29fSHugues Fruchet */ 384619a81c14SSteve Longerbeam sensor->frame_interval.numerator = 1; 384719a81c14SSteve Longerbeam sensor->frame_interval.denominator = ov5640_framerates[OV5640_30_FPS]; 384819a81c14SSteve Longerbeam sensor->current_fr = OV5640_30_FPS; 384919a81c14SSteve Longerbeam sensor->current_mode = 3850086c25f8SMaxime Ripard &ov5640_mode_data[OV5640_MODE_VGA_640_480]; 3851985cdcb0SHugues Fruchet sensor->last_mode = sensor->current_mode; 3852d7b41196SGuoniu.zhou sensor->current_link_freq = 3853d7b41196SGuoniu.zhou ov5640_csi2_link_freqs[OV5640_DEFAULT_LINK_FREQ]; 385419a81c14SSteve Longerbeam 385519a81c14SSteve Longerbeam sensor->ae_target = 52; 385619a81c14SSteve Longerbeam 3857ce96bcf5SSakari Ailus endpoint = fwnode_graph_get_next_endpoint(dev_fwnode(&client->dev), 3858ce96bcf5SSakari Ailus NULL); 385919a81c14SSteve Longerbeam if (!endpoint) { 386019a81c14SSteve Longerbeam dev_err(dev, "endpoint node not found\n"); 386119a81c14SSteve Longerbeam return -EINVAL; 386219a81c14SSteve Longerbeam } 386319a81c14SSteve Longerbeam 386419a81c14SSteve Longerbeam ret = v4l2_fwnode_endpoint_parse(endpoint, &sensor->ep); 386519a81c14SSteve Longerbeam fwnode_handle_put(endpoint); 386619a81c14SSteve Longerbeam if (ret) { 386719a81c14SSteve Longerbeam dev_err(dev, "Could not parse endpoint\n"); 386819a81c14SSteve Longerbeam return ret; 386919a81c14SSteve Longerbeam } 387019a81c14SSteve Longerbeam 38712c61e48dSLad Prabhakar if (sensor->ep.bus_type != V4L2_MBUS_PARALLEL && 38722c61e48dSLad Prabhakar sensor->ep.bus_type != V4L2_MBUS_CSI2_DPHY && 38732c61e48dSLad Prabhakar sensor->ep.bus_type != V4L2_MBUS_BT656) { 38742c61e48dSLad Prabhakar dev_err(dev, "Unsupported bus type %d\n", sensor->ep.bus_type); 38752c61e48dSLad Prabhakar return -EINVAL; 38762c61e48dSLad Prabhakar } 38772c61e48dSLad Prabhakar 387868453b02SGuoniu.zhou sensor->fmt = ov5640_is_csi2(sensor) ? ov5640_csi2_default_fmt : 387968453b02SGuoniu.zhou ov5640_dvp_default_fmt; 388068453b02SGuoniu.zhou 388119a81c14SSteve Longerbeam /* get system clock (xclk) */ 388219a81c14SSteve Longerbeam sensor->xclk = devm_clk_get(dev, "xclk"); 388319a81c14SSteve Longerbeam if (IS_ERR(sensor->xclk)) { 388419a81c14SSteve Longerbeam dev_err(dev, "failed to get xclk\n"); 388519a81c14SSteve Longerbeam return PTR_ERR(sensor->xclk); 388619a81c14SSteve Longerbeam } 388719a81c14SSteve Longerbeam 388819a81c14SSteve Longerbeam sensor->xclk_freq = clk_get_rate(sensor->xclk); 388919a81c14SSteve Longerbeam if (sensor->xclk_freq < OV5640_XCLK_MIN || 389019a81c14SSteve Longerbeam sensor->xclk_freq > OV5640_XCLK_MAX) { 389119a81c14SSteve Longerbeam dev_err(dev, "xclk frequency out of range: %d Hz\n", 389219a81c14SSteve Longerbeam sensor->xclk_freq); 389319a81c14SSteve Longerbeam return -EINVAL; 389419a81c14SSteve Longerbeam } 389519a81c14SSteve Longerbeam 389619a81c14SSteve Longerbeam /* request optional power down pin */ 389719a81c14SSteve Longerbeam sensor->pwdn_gpio = devm_gpiod_get_optional(dev, "powerdown", 389819a81c14SSteve Longerbeam GPIOD_OUT_HIGH); 38998791a102SFabio Estevam if (IS_ERR(sensor->pwdn_gpio)) 39008791a102SFabio Estevam return PTR_ERR(sensor->pwdn_gpio); 39018791a102SFabio Estevam 390219a81c14SSteve Longerbeam /* request optional reset pin */ 390319a81c14SSteve Longerbeam sensor->reset_gpio = devm_gpiod_get_optional(dev, "reset", 390419a81c14SSteve Longerbeam GPIOD_OUT_HIGH); 39058791a102SFabio Estevam if (IS_ERR(sensor->reset_gpio)) 39068791a102SFabio Estevam return PTR_ERR(sensor->reset_gpio); 390719a81c14SSteve Longerbeam 390819a81c14SSteve Longerbeam v4l2_i2c_subdev_init(&sensor->sd, client, &ov5640_subdev_ops); 390919a81c14SSteve Longerbeam 39102d18fbc5SAkinobu Mita sensor->sd.flags |= V4L2_SUBDEV_FL_HAS_DEVNODE | 39112d18fbc5SAkinobu Mita V4L2_SUBDEV_FL_HAS_EVENTS; 391219a81c14SSteve Longerbeam sensor->pad.flags = MEDIA_PAD_FL_SOURCE; 391319a81c14SSteve Longerbeam sensor->sd.entity.function = MEDIA_ENT_F_CAM_SENSOR; 391419a81c14SSteve Longerbeam ret = media_entity_pads_init(&sensor->sd.entity, 1, &sensor->pad); 391519a81c14SSteve Longerbeam if (ret) 391619a81c14SSteve Longerbeam return ret; 391719a81c14SSteve Longerbeam 391819a81c14SSteve Longerbeam ret = ov5640_get_regulators(sensor); 391919a81c14SSteve Longerbeam if (ret) 392085644a9bSPaul Elder goto entity_cleanup; 392119a81c14SSteve Longerbeam 392219a81c14SSteve Longerbeam mutex_init(&sensor->lock); 392319a81c14SSteve Longerbeam 392419a81c14SSteve Longerbeam ret = ov5640_init_controls(sensor); 392519a81c14SSteve Longerbeam if (ret) 392619a81c14SSteve Longerbeam goto entity_cleanup; 392719a81c14SSteve Longerbeam 392885644a9bSPaul Elder ret = ov5640_sensor_resume(dev); 392985644a9bSPaul Elder if (ret) { 393085644a9bSPaul Elder dev_err(dev, "failed to power on\n"); 393185644a9bSPaul Elder goto entity_cleanup; 393285644a9bSPaul Elder } 393385644a9bSPaul Elder 393485644a9bSPaul Elder pm_runtime_set_active(dev); 393585644a9bSPaul Elder pm_runtime_get_noresume(dev); 393685644a9bSPaul Elder pm_runtime_enable(dev); 393785644a9bSPaul Elder 393885644a9bSPaul Elder ret = ov5640_check_chip_id(sensor); 393985644a9bSPaul Elder if (ret) 394085644a9bSPaul Elder goto err_pm_runtime; 394185644a9bSPaul Elder 394215786f7bSSakari Ailus ret = v4l2_async_register_subdev_sensor(&sensor->sd); 394319a81c14SSteve Longerbeam if (ret) 394485644a9bSPaul Elder goto err_pm_runtime; 394585644a9bSPaul Elder 394685644a9bSPaul Elder pm_runtime_set_autosuspend_delay(dev, 1000); 394785644a9bSPaul Elder pm_runtime_use_autosuspend(dev); 3948e13064a3SAndrey Skvortsov pm_runtime_mark_last_busy(dev); 394985644a9bSPaul Elder pm_runtime_put_autosuspend(dev); 395019a81c14SSteve Longerbeam 395119a81c14SSteve Longerbeam return 0; 395219a81c14SSteve Longerbeam 395385644a9bSPaul Elder err_pm_runtime: 395485644a9bSPaul Elder pm_runtime_put_noidle(dev); 395585644a9bSPaul Elder pm_runtime_disable(dev); 395619a81c14SSteve Longerbeam v4l2_ctrl_handler_free(&sensor->ctrls.handler); 395785644a9bSPaul Elder ov5640_sensor_suspend(dev); 395819a81c14SSteve Longerbeam entity_cleanup: 395919a81c14SSteve Longerbeam media_entity_cleanup(&sensor->sd.entity); 3960bfcba38dSTomi Valkeinen mutex_destroy(&sensor->lock); 396119a81c14SSteve Longerbeam return ret; 396219a81c14SSteve Longerbeam } 396319a81c14SSteve Longerbeam 3964ed5c2f5fSUwe Kleine-König static void ov5640_remove(struct i2c_client *client) 396519a81c14SSteve Longerbeam { 396619a81c14SSteve Longerbeam struct v4l2_subdev *sd = i2c_get_clientdata(client); 396719a81c14SSteve Longerbeam struct ov5640_dev *sensor = to_ov5640_dev(sd); 396885644a9bSPaul Elder struct device *dev = &client->dev; 396985644a9bSPaul Elder 397085644a9bSPaul Elder pm_runtime_disable(dev); 397185644a9bSPaul Elder if (!pm_runtime_status_suspended(dev)) 397285644a9bSPaul Elder ov5640_sensor_suspend(dev); 397385644a9bSPaul Elder pm_runtime_set_suspended(dev); 397419a81c14SSteve Longerbeam 397519a81c14SSteve Longerbeam v4l2_async_unregister_subdev(&sensor->sd); 397619a81c14SSteve Longerbeam media_entity_cleanup(&sensor->sd.entity); 397719a81c14SSteve Longerbeam v4l2_ctrl_handler_free(&sensor->ctrls.handler); 3978bfcba38dSTomi Valkeinen mutex_destroy(&sensor->lock); 397919a81c14SSteve Longerbeam } 398019a81c14SSteve Longerbeam 398185644a9bSPaul Elder static const struct dev_pm_ops ov5640_pm_ops = { 398285644a9bSPaul Elder SET_RUNTIME_PM_OPS(ov5640_sensor_suspend, ov5640_sensor_resume, NULL) 398385644a9bSPaul Elder }; 398485644a9bSPaul Elder 398519a81c14SSteve Longerbeam static const struct i2c_device_id ov5640_id[] = { 398619a81c14SSteve Longerbeam {"ov5640", 0}, 398719a81c14SSteve Longerbeam {}, 398819a81c14SSteve Longerbeam }; 398919a81c14SSteve Longerbeam MODULE_DEVICE_TABLE(i2c, ov5640_id); 399019a81c14SSteve Longerbeam 399119a81c14SSteve Longerbeam static const struct of_device_id ov5640_dt_ids[] = { 399219a81c14SSteve Longerbeam { .compatible = "ovti,ov5640" }, 399319a81c14SSteve Longerbeam { /* sentinel */ } 399419a81c14SSteve Longerbeam }; 399519a81c14SSteve Longerbeam MODULE_DEVICE_TABLE(of, ov5640_dt_ids); 399619a81c14SSteve Longerbeam 399719a81c14SSteve Longerbeam static struct i2c_driver ov5640_i2c_driver = { 399819a81c14SSteve Longerbeam .driver = { 399919a81c14SSteve Longerbeam .name = "ov5640", 400019a81c14SSteve Longerbeam .of_match_table = ov5640_dt_ids, 400185644a9bSPaul Elder .pm = &ov5640_pm_ops, 400219a81c14SSteve Longerbeam }, 400319a81c14SSteve Longerbeam .id_table = ov5640_id, 4004e6714993SKieran Bingham .probe_new = ov5640_probe, 400519a81c14SSteve Longerbeam .remove = ov5640_remove, 400619a81c14SSteve Longerbeam }; 400719a81c14SSteve Longerbeam 400819a81c14SSteve Longerbeam module_i2c_driver(ov5640_i2c_driver); 400919a81c14SSteve Longerbeam 401019a81c14SSteve Longerbeam MODULE_DESCRIPTION("OV5640 MIPI Camera Subdev Driver"); 401119a81c14SSteve Longerbeam MODULE_LICENSE("GPL"); 4012