12874c5fdSThomas Gleixner // SPDX-License-Identifier: GPL-2.0-or-later 219a81c14SSteve Longerbeam /* 319a81c14SSteve Longerbeam * Copyright (C) 2011-2013 Freescale Semiconductor, Inc. All Rights Reserved. 419a81c14SSteve Longerbeam * Copyright (C) 2014-2017 Mentor Graphics Inc. 519a81c14SSteve Longerbeam */ 619a81c14SSteve Longerbeam 719a81c14SSteve Longerbeam #include <linux/clk.h> 819a81c14SSteve Longerbeam #include <linux/clk-provider.h> 919a81c14SSteve Longerbeam #include <linux/clkdev.h> 1019a81c14SSteve Longerbeam #include <linux/ctype.h> 1119a81c14SSteve Longerbeam #include <linux/delay.h> 1219a81c14SSteve Longerbeam #include <linux/device.h> 1341d8d7f5SHugues Fruchet #include <linux/gpio/consumer.h> 1419a81c14SSteve Longerbeam #include <linux/i2c.h> 1519a81c14SSteve Longerbeam #include <linux/init.h> 1619a81c14SSteve Longerbeam #include <linux/module.h> 1719a81c14SSteve Longerbeam #include <linux/of_device.h> 1841d8d7f5SHugues Fruchet #include <linux/regulator/consumer.h> 1919a81c14SSteve Longerbeam #include <linux/slab.h> 2019a81c14SSteve Longerbeam #include <linux/types.h> 2119a81c14SSteve Longerbeam #include <media/v4l2-async.h> 2219a81c14SSteve Longerbeam #include <media/v4l2-ctrls.h> 2319a81c14SSteve Longerbeam #include <media/v4l2-device.h> 242d18fbc5SAkinobu Mita #include <media/v4l2-event.h> 2519a81c14SSteve Longerbeam #include <media/v4l2-fwnode.h> 2619a81c14SSteve Longerbeam #include <media/v4l2-subdev.h> 2719a81c14SSteve Longerbeam 2819a81c14SSteve Longerbeam /* min/typical/max system clock (xclk) frequencies */ 2919a81c14SSteve Longerbeam #define OV5640_XCLK_MIN 6000000 3041cb1c73SPhilipp Puschmann #define OV5640_XCLK_MAX 54000000 3119a81c14SSteve Longerbeam 3219a81c14SSteve Longerbeam #define OV5640_DEFAULT_SLAVE_ID 0x3c 3319a81c14SSteve Longerbeam 34*3c28588fSJacopo Mondi #define OV5640_LINK_RATE_MAX 490000000U 35*3c28588fSJacopo Mondi 36d47c4126SHugues Fruchet #define OV5640_REG_SYS_RESET02 0x3002 37d47c4126SHugues Fruchet #define OV5640_REG_SYS_CLOCK_ENABLE02 0x3006 38f22996dbSHugues Fruchet #define OV5640_REG_SYS_CTRL0 0x3008 393b987d70SLad Prabhakar #define OV5640_REG_SYS_CTRL0_SW_PWDN 0x42 403b987d70SLad Prabhakar #define OV5640_REG_SYS_CTRL0_SW_PWUP 0x02 4119a81c14SSteve Longerbeam #define OV5640_REG_CHIP_ID 0x300a 42f22996dbSHugues Fruchet #define OV5640_REG_IO_MIPI_CTRL00 0x300e 43f22996dbSHugues Fruchet #define OV5640_REG_PAD_OUTPUT_ENABLE01 0x3017 44f22996dbSHugues Fruchet #define OV5640_REG_PAD_OUTPUT_ENABLE02 0x3018 4519a81c14SSteve Longerbeam #define OV5640_REG_PAD_OUTPUT00 0x3019 46f22996dbSHugues Fruchet #define OV5640_REG_SYSTEM_CONTROL1 0x302e 4719a81c14SSteve Longerbeam #define OV5640_REG_SC_PLL_CTRL0 0x3034 4819a81c14SSteve Longerbeam #define OV5640_REG_SC_PLL_CTRL1 0x3035 4919a81c14SSteve Longerbeam #define OV5640_REG_SC_PLL_CTRL2 0x3036 5019a81c14SSteve Longerbeam #define OV5640_REG_SC_PLL_CTRL3 0x3037 5119a81c14SSteve Longerbeam #define OV5640_REG_SLAVE_ID 0x3100 52f22996dbSHugues Fruchet #define OV5640_REG_SCCB_SYS_CTRL1 0x3103 5319a81c14SSteve Longerbeam #define OV5640_REG_SYS_ROOT_DIVIDER 0x3108 5419a81c14SSteve Longerbeam #define OV5640_REG_AWB_R_GAIN 0x3400 5519a81c14SSteve Longerbeam #define OV5640_REG_AWB_G_GAIN 0x3402 5619a81c14SSteve Longerbeam #define OV5640_REG_AWB_B_GAIN 0x3404 5719a81c14SSteve Longerbeam #define OV5640_REG_AWB_MANUAL_CTRL 0x3406 5819a81c14SSteve Longerbeam #define OV5640_REG_AEC_PK_EXPOSURE_HI 0x3500 5919a81c14SSteve Longerbeam #define OV5640_REG_AEC_PK_EXPOSURE_MED 0x3501 6019a81c14SSteve Longerbeam #define OV5640_REG_AEC_PK_EXPOSURE_LO 0x3502 6119a81c14SSteve Longerbeam #define OV5640_REG_AEC_PK_MANUAL 0x3503 6219a81c14SSteve Longerbeam #define OV5640_REG_AEC_PK_REAL_GAIN 0x350a 6319a81c14SSteve Longerbeam #define OV5640_REG_AEC_PK_VTS 0x350c 6486633417SMaxime Ripard #define OV5640_REG_TIMING_DVPHO 0x3808 6586633417SMaxime Ripard #define OV5640_REG_TIMING_DVPVO 0x380a 6619a81c14SSteve Longerbeam #define OV5640_REG_TIMING_HTS 0x380c 6719a81c14SSteve Longerbeam #define OV5640_REG_TIMING_VTS 0x380e 68ce85705aSHugues Fruchet #define OV5640_REG_TIMING_TC_REG20 0x3820 6919a81c14SSteve Longerbeam #define OV5640_REG_TIMING_TC_REG21 0x3821 7019a81c14SSteve Longerbeam #define OV5640_REG_AEC_CTRL00 0x3a00 7119a81c14SSteve Longerbeam #define OV5640_REG_AEC_B50_STEP 0x3a08 7219a81c14SSteve Longerbeam #define OV5640_REG_AEC_B60_STEP 0x3a0a 7319a81c14SSteve Longerbeam #define OV5640_REG_AEC_CTRL0D 0x3a0d 7419a81c14SSteve Longerbeam #define OV5640_REG_AEC_CTRL0E 0x3a0e 7519a81c14SSteve Longerbeam #define OV5640_REG_AEC_CTRL0F 0x3a0f 7619a81c14SSteve Longerbeam #define OV5640_REG_AEC_CTRL10 0x3a10 7719a81c14SSteve Longerbeam #define OV5640_REG_AEC_CTRL11 0x3a11 7819a81c14SSteve Longerbeam #define OV5640_REG_AEC_CTRL1B 0x3a1b 7919a81c14SSteve Longerbeam #define OV5640_REG_AEC_CTRL1E 0x3a1e 8019a81c14SSteve Longerbeam #define OV5640_REG_AEC_CTRL1F 0x3a1f 8119a81c14SSteve Longerbeam #define OV5640_REG_HZ5060_CTRL00 0x3c00 8219a81c14SSteve Longerbeam #define OV5640_REG_HZ5060_CTRL01 0x3c01 8319a81c14SSteve Longerbeam #define OV5640_REG_SIGMADELTA_CTRL0C 0x3c0c 8419a81c14SSteve Longerbeam #define OV5640_REG_FRAME_CTRL01 0x4202 85e3ee691dSHugues Fruchet #define OV5640_REG_FORMAT_CONTROL00 0x4300 867cb013b1SChen-Yu Tsai #define OV5640_REG_VFIFO_HSIZE 0x4602 877cb013b1SChen-Yu Tsai #define OV5640_REG_VFIFO_VSIZE 0x4604 882b5c18f9SChen-Yu Tsai #define OV5640_REG_JPG_MODE_SELECT 0x4713 894039b037SLad Prabhakar #define OV5640_REG_CCIR656_CTRL00 0x4730 90f22996dbSHugues Fruchet #define OV5640_REG_POLARITY_CTRL00 0x4740 9119a81c14SSteve Longerbeam #define OV5640_REG_MIPI_CTRL00 0x4800 9219a81c14SSteve Longerbeam #define OV5640_REG_DEBUG_MODE 0x4814 93e3ee691dSHugues Fruchet #define OV5640_REG_ISP_FORMAT_MUX_CTRL 0x501f 9419a81c14SSteve Longerbeam #define OV5640_REG_PRE_ISP_TEST_SET1 0x503d 9519a81c14SSteve Longerbeam #define OV5640_REG_SDE_CTRL0 0x5580 9619a81c14SSteve Longerbeam #define OV5640_REG_SDE_CTRL1 0x5581 9719a81c14SSteve Longerbeam #define OV5640_REG_SDE_CTRL3 0x5583 9819a81c14SSteve Longerbeam #define OV5640_REG_SDE_CTRL4 0x5584 9919a81c14SSteve Longerbeam #define OV5640_REG_SDE_CTRL5 0x5585 10019a81c14SSteve Longerbeam #define OV5640_REG_AVG_READOUT 0x56a1 10119a81c14SSteve Longerbeam 10219a81c14SSteve Longerbeam enum ov5640_mode_id { 10332ea5e05SHugues Fruchet OV5640_MODE_QQVGA_160_120 = 0, 10432ea5e05SHugues Fruchet OV5640_MODE_QCIF_176_144, 10519a81c14SSteve Longerbeam OV5640_MODE_QVGA_320_240, 10619a81c14SSteve Longerbeam OV5640_MODE_VGA_640_480, 10719a81c14SSteve Longerbeam OV5640_MODE_NTSC_720_480, 10819a81c14SSteve Longerbeam OV5640_MODE_PAL_720_576, 10919a81c14SSteve Longerbeam OV5640_MODE_XGA_1024_768, 11019a81c14SSteve Longerbeam OV5640_MODE_720P_1280_720, 11119a81c14SSteve Longerbeam OV5640_MODE_1080P_1920_1080, 11219a81c14SSteve Longerbeam OV5640_MODE_QSXGA_2592_1944, 11319a81c14SSteve Longerbeam OV5640_NUM_MODES, 11419a81c14SSteve Longerbeam }; 11519a81c14SSteve Longerbeam 11619a81c14SSteve Longerbeam enum ov5640_frame_rate { 11719a81c14SSteve Longerbeam OV5640_15_FPS = 0, 11819a81c14SSteve Longerbeam OV5640_30_FPS, 119e823fb16SMaxime Ripard OV5640_60_FPS, 12019a81c14SSteve Longerbeam OV5640_NUM_FRAMERATES, 12119a81c14SSteve Longerbeam }; 12219a81c14SSteve Longerbeam 12322845bf2SJacopo Mondi enum ov5640_pixel_rate_id { 12422845bf2SJacopo Mondi OV5640_PIXEL_RATE_168M, 12522845bf2SJacopo Mondi OV5640_PIXEL_RATE_148M, 12622845bf2SJacopo Mondi OV5640_PIXEL_RATE_124M, 12722845bf2SJacopo Mondi OV5640_PIXEL_RATE_96M, 12822845bf2SJacopo Mondi OV5640_PIXEL_RATE_48M, 12922845bf2SJacopo Mondi OV5640_NUM_PIXEL_RATES, 13022845bf2SJacopo Mondi }; 13122845bf2SJacopo Mondi 13222845bf2SJacopo Mondi /* 13322845bf2SJacopo Mondi * The chip manual suggests 24/48/96/192 MHz pixel clocks. 13422845bf2SJacopo Mondi * 13522845bf2SJacopo Mondi * 192MHz exceeds the sysclk limits; use 168MHz as maximum pixel rate for 13622845bf2SJacopo Mondi * full resolution mode @15 FPS. 13722845bf2SJacopo Mondi */ 13822845bf2SJacopo Mondi static const u32 ov5640_pixel_rates[] = { 13922845bf2SJacopo Mondi [OV5640_PIXEL_RATE_168M] = 168000000, 14022845bf2SJacopo Mondi [OV5640_PIXEL_RATE_148M] = 148000000, 14122845bf2SJacopo Mondi [OV5640_PIXEL_RATE_124M] = 124000000, 14222845bf2SJacopo Mondi [OV5640_PIXEL_RATE_96M] = 96000000, 14322845bf2SJacopo Mondi [OV5640_PIXEL_RATE_48M] = 48000000, 14422845bf2SJacopo Mondi }; 14522845bf2SJacopo Mondi 1467a3b8d4bSJacopo Mondi /* 1477a3b8d4bSJacopo Mondi * MIPI CSI-2 link frequencies. 1487a3b8d4bSJacopo Mondi * 1497a3b8d4bSJacopo Mondi * Derived from the above defined pixel rate for bpp = (8, 16, 24) and 1507a3b8d4bSJacopo Mondi * data_lanes = (1, 2) 1517a3b8d4bSJacopo Mondi * 1527a3b8d4bSJacopo Mondi * link_freq = (pixel_rate * bpp) / (2 * data_lanes) 1537a3b8d4bSJacopo Mondi */ 1547a3b8d4bSJacopo Mondi static const s64 ov5640_csi2_link_freqs[] = { 1557a3b8d4bSJacopo Mondi 992000000, 888000000, 768000000, 744000000, 672000000, 672000000, 1567a3b8d4bSJacopo Mondi 592000000, 592000000, 576000000, 576000000, 496000000, 496000000, 1577a3b8d4bSJacopo Mondi 384000000, 384000000, 384000000, 336000000, 296000000, 288000000, 1587a3b8d4bSJacopo Mondi 248000000, 192000000, 192000000, 192000000, 96000000, 1597a3b8d4bSJacopo Mondi }; 1607a3b8d4bSJacopo Mondi 1617a3b8d4bSJacopo Mondi /* Link freq for default mode: UYVY 16 bpp, 2 data lanes. */ 1627a3b8d4bSJacopo Mondi #define OV5640_DEFAULT_LINK_FREQ 13 1637a3b8d4bSJacopo Mondi 164b7ed3abdSLoic Poulain enum ov5640_format_mux { 165b7ed3abdSLoic Poulain OV5640_FMT_MUX_YUV422 = 0, 166b7ed3abdSLoic Poulain OV5640_FMT_MUX_RGB, 167b7ed3abdSLoic Poulain OV5640_FMT_MUX_DITHER, 168b7ed3abdSLoic Poulain OV5640_FMT_MUX_RAW_DPC, 169b7ed3abdSLoic Poulain OV5640_FMT_MUX_SNR_RAW, 170b7ed3abdSLoic Poulain OV5640_FMT_MUX_RAW_CIP, 171b7ed3abdSLoic Poulain }; 172b7ed3abdSLoic Poulain 1732d7671f6SJacopo Mondi static const struct ov5640_pixfmt { 174e3ee691dSHugues Fruchet u32 code; 175e3ee691dSHugues Fruchet u32 colorspace; 1762d7671f6SJacopo Mondi u8 bpp; 1772d7671f6SJacopo Mondi } ov5640_formats[] = { 1782d7671f6SJacopo Mondi { 1792d7671f6SJacopo Mondi .code = MEDIA_BUS_FMT_JPEG_1X8, 1802d7671f6SJacopo Mondi .colorspace = V4L2_COLORSPACE_JPEG, 1812d7671f6SJacopo Mondi .bpp = 16, 1822d7671f6SJacopo Mondi }, { 1832d7671f6SJacopo Mondi .code = MEDIA_BUS_FMT_UYVY8_2X8, 1842d7671f6SJacopo Mondi .colorspace = V4L2_COLORSPACE_SRGB, 1852d7671f6SJacopo Mondi .bpp = 16, 1862d7671f6SJacopo Mondi }, { 1872d7671f6SJacopo Mondi .code = MEDIA_BUS_FMT_UYVY8_1X16, 1882d7671f6SJacopo Mondi .colorspace = V4L2_COLORSPACE_SRGB, 1892d7671f6SJacopo Mondi .bpp = 16, 1902d7671f6SJacopo Mondi }, { 1912d7671f6SJacopo Mondi .code = MEDIA_BUS_FMT_YUYV8_2X8, 1922d7671f6SJacopo Mondi .colorspace = V4L2_COLORSPACE_SRGB, 1932d7671f6SJacopo Mondi .bpp = 16, 1942d7671f6SJacopo Mondi }, { 1952d7671f6SJacopo Mondi .code = MEDIA_BUS_FMT_YUYV8_1X16, 1962d7671f6SJacopo Mondi .colorspace = V4L2_COLORSPACE_SRGB, 1972d7671f6SJacopo Mondi .bpp = 16, 1982d7671f6SJacopo Mondi }, { 1992d7671f6SJacopo Mondi .code = MEDIA_BUS_FMT_RGB565_2X8_LE, 2002d7671f6SJacopo Mondi .colorspace = V4L2_COLORSPACE_SRGB, 2012d7671f6SJacopo Mondi .bpp = 16, 2022d7671f6SJacopo Mondi }, { 2032d7671f6SJacopo Mondi .code = MEDIA_BUS_FMT_RGB565_2X8_BE, 2042d7671f6SJacopo Mondi .colorspace = V4L2_COLORSPACE_SRGB, 2052d7671f6SJacopo Mondi .bpp = 16, 2062d7671f6SJacopo Mondi }, { 2072d7671f6SJacopo Mondi .code = MEDIA_BUS_FMT_SBGGR8_1X8, 2082d7671f6SJacopo Mondi .colorspace = V4L2_COLORSPACE_SRGB, 2092d7671f6SJacopo Mondi .bpp = 8, 2102d7671f6SJacopo Mondi }, { 2112d7671f6SJacopo Mondi .code = MEDIA_BUS_FMT_SGBRG8_1X8, 2122d7671f6SJacopo Mondi .colorspace = V4L2_COLORSPACE_SRGB, 2132d7671f6SJacopo Mondi .bpp = 8 2142d7671f6SJacopo Mondi }, { 2152d7671f6SJacopo Mondi .code = MEDIA_BUS_FMT_SGRBG8_1X8, 2162d7671f6SJacopo Mondi .colorspace = V4L2_COLORSPACE_SRGB, 2172d7671f6SJacopo Mondi .bpp = 8, 2182d7671f6SJacopo Mondi }, { 2192d7671f6SJacopo Mondi .code = MEDIA_BUS_FMT_SRGGB8_1X8, 2202d7671f6SJacopo Mondi .colorspace = V4L2_COLORSPACE_SRGB, 2212d7671f6SJacopo Mondi .bpp = 8, 2222d7671f6SJacopo Mondi }, 223e3ee691dSHugues Fruchet }; 224e3ee691dSHugues Fruchet 225*3c28588fSJacopo Mondi static u32 ov5640_code_to_bpp(u32 code) 226*3c28588fSJacopo Mondi { 227*3c28588fSJacopo Mondi unsigned int i; 228*3c28588fSJacopo Mondi 229*3c28588fSJacopo Mondi for (i = 0; i < ARRAY_SIZE(ov5640_formats); ++i) { 230*3c28588fSJacopo Mondi if (ov5640_formats[i].code == code) 231*3c28588fSJacopo Mondi return ov5640_formats[i].bpp; 232*3c28588fSJacopo Mondi } 233*3c28588fSJacopo Mondi 234*3c28588fSJacopo Mondi return 0; 235*3c28588fSJacopo Mondi } 236*3c28588fSJacopo Mondi 23719a81c14SSteve Longerbeam /* 23819a81c14SSteve Longerbeam * FIXME: remove this when a subdev API becomes available 23919a81c14SSteve Longerbeam * to set the MIPI CSI-2 virtual channel. 24019a81c14SSteve Longerbeam */ 24119a81c14SSteve Longerbeam static unsigned int virtual_channel; 2428670d70aSHugues Fruchet module_param(virtual_channel, uint, 0444); 24319a81c14SSteve Longerbeam MODULE_PARM_DESC(virtual_channel, 24419a81c14SSteve Longerbeam "MIPI CSI-2 virtual channel (0..3), default 0"); 24519a81c14SSteve Longerbeam 24619a81c14SSteve Longerbeam static const int ov5640_framerates[] = { 24719a81c14SSteve Longerbeam [OV5640_15_FPS] = 15, 24819a81c14SSteve Longerbeam [OV5640_30_FPS] = 30, 249e823fb16SMaxime Ripard [OV5640_60_FPS] = 60, 25019a81c14SSteve Longerbeam }; 25119a81c14SSteve Longerbeam 25219a81c14SSteve Longerbeam /* regulator supplies */ 25319a81c14SSteve Longerbeam static const char * const ov5640_supply_name[] = { 25441d8d7f5SHugues Fruchet "DOVDD", /* Digital I/O (1.8V) supply */ 25519a81c14SSteve Longerbeam "AVDD", /* Analog (2.8V) supply */ 25624c8ac89SFabio Estevam "DVDD", /* Digital Core (1.5V) supply */ 25719a81c14SSteve Longerbeam }; 25819a81c14SSteve Longerbeam 25919a81c14SSteve Longerbeam #define OV5640_NUM_SUPPLIES ARRAY_SIZE(ov5640_supply_name) 26019a81c14SSteve Longerbeam 26119a81c14SSteve Longerbeam /* 26219a81c14SSteve Longerbeam * Image size under 1280 * 960 are SUBSAMPLING 26319a81c14SSteve Longerbeam * Image size upper 1280 * 960 are SCALING 26419a81c14SSteve Longerbeam */ 26519a81c14SSteve Longerbeam enum ov5640_downsize_mode { 26619a81c14SSteve Longerbeam SUBSAMPLING, 26719a81c14SSteve Longerbeam SCALING, 26819a81c14SSteve Longerbeam }; 26919a81c14SSteve Longerbeam 27019a81c14SSteve Longerbeam struct reg_value { 27119a81c14SSteve Longerbeam u16 reg_addr; 27219a81c14SSteve Longerbeam u8 val; 27319a81c14SSteve Longerbeam u8 mask; 27419a81c14SSteve Longerbeam u32 delay_ms; 27519a81c14SSteve Longerbeam }; 27619a81c14SSteve Longerbeam 27719a81c14SSteve Longerbeam struct ov5640_mode_info { 27819a81c14SSteve Longerbeam enum ov5640_mode_id id; 27919a81c14SSteve Longerbeam enum ov5640_downsize_mode dn_mode; 28022845bf2SJacopo Mondi enum ov5640_pixel_rate_id pixel_rate; 281dba13a0bSMaxime Ripard u32 hact; 282476dec01SMaxime Ripard u32 htot; 283dba13a0bSMaxime Ripard u32 vact; 284476dec01SMaxime Ripard u32 vtot; 28519a81c14SSteve Longerbeam const struct reg_value *reg_data; 28619a81c14SSteve Longerbeam u32 reg_data_size; 2875554c80eSAdam Ford u32 max_fps; 28819a81c14SSteve Longerbeam }; 28919a81c14SSteve Longerbeam 29019a81c14SSteve Longerbeam struct ov5640_ctrls { 29119a81c14SSteve Longerbeam struct v4l2_ctrl_handler handler; 292cc196e48SBenoit Parrot struct v4l2_ctrl *pixel_rate; 2937a3b8d4bSJacopo Mondi struct v4l2_ctrl *link_freq; 29419a81c14SSteve Longerbeam struct { 29519a81c14SSteve Longerbeam struct v4l2_ctrl *auto_exp; 29619a81c14SSteve Longerbeam struct v4l2_ctrl *exposure; 29719a81c14SSteve Longerbeam }; 29819a81c14SSteve Longerbeam struct { 29919a81c14SSteve Longerbeam struct v4l2_ctrl *auto_wb; 30019a81c14SSteve Longerbeam struct v4l2_ctrl *blue_balance; 30119a81c14SSteve Longerbeam struct v4l2_ctrl *red_balance; 30219a81c14SSteve Longerbeam }; 30319a81c14SSteve Longerbeam struct { 30419a81c14SSteve Longerbeam struct v4l2_ctrl *auto_gain; 30519a81c14SSteve Longerbeam struct v4l2_ctrl *gain; 30619a81c14SSteve Longerbeam }; 30719a81c14SSteve Longerbeam struct v4l2_ctrl *brightness; 3081068fecaSMylène Josserand struct v4l2_ctrl *light_freq; 30919a81c14SSteve Longerbeam struct v4l2_ctrl *saturation; 31019a81c14SSteve Longerbeam struct v4l2_ctrl *contrast; 31119a81c14SSteve Longerbeam struct v4l2_ctrl *hue; 31219a81c14SSteve Longerbeam struct v4l2_ctrl *test_pattern; 313ce85705aSHugues Fruchet struct v4l2_ctrl *hflip; 314ce85705aSHugues Fruchet struct v4l2_ctrl *vflip; 31519a81c14SSteve Longerbeam }; 31619a81c14SSteve Longerbeam 31719a81c14SSteve Longerbeam struct ov5640_dev { 31819a81c14SSteve Longerbeam struct i2c_client *i2c_client; 31919a81c14SSteve Longerbeam struct v4l2_subdev sd; 32019a81c14SSteve Longerbeam struct media_pad pad; 32119a81c14SSteve Longerbeam struct v4l2_fwnode_endpoint ep; /* the parsed DT endpoint info */ 32219a81c14SSteve Longerbeam struct clk *xclk; /* system clock to OV5640 */ 32319a81c14SSteve Longerbeam u32 xclk_freq; 32419a81c14SSteve Longerbeam 32519a81c14SSteve Longerbeam struct regulator_bulk_data supplies[OV5640_NUM_SUPPLIES]; 32619a81c14SSteve Longerbeam struct gpio_desc *reset_gpio; 32719a81c14SSteve Longerbeam struct gpio_desc *pwdn_gpio; 328c3f3ba3eSHugues Fruchet bool upside_down; 32919a81c14SSteve Longerbeam 33019a81c14SSteve Longerbeam /* lock to protect all members below */ 33119a81c14SSteve Longerbeam struct mutex lock; 33219a81c14SSteve Longerbeam 33319a81c14SSteve Longerbeam int power_count; 33419a81c14SSteve Longerbeam 33519a81c14SSteve Longerbeam struct v4l2_mbus_framefmt fmt; 336fb98e29fSHugues Fruchet bool pending_fmt_change; 33719a81c14SSteve Longerbeam 33819a81c14SSteve Longerbeam const struct ov5640_mode_info *current_mode; 339985cdcb0SHugues Fruchet const struct ov5640_mode_info *last_mode; 34019a81c14SSteve Longerbeam enum ov5640_frame_rate current_fr; 34119a81c14SSteve Longerbeam struct v4l2_fract frame_interval; 342*3c28588fSJacopo Mondi s64 current_link_freq; 34319a81c14SSteve Longerbeam 34419a81c14SSteve Longerbeam struct ov5640_ctrls ctrls; 34519a81c14SSteve Longerbeam 34619a81c14SSteve Longerbeam u32 prev_sysclk, prev_hts; 34719a81c14SSteve Longerbeam u32 ae_low, ae_high, ae_target; 34819a81c14SSteve Longerbeam 34919a81c14SSteve Longerbeam bool pending_mode_change; 35019a81c14SSteve Longerbeam bool streaming; 35119a81c14SSteve Longerbeam }; 35219a81c14SSteve Longerbeam 35319a81c14SSteve Longerbeam static inline struct ov5640_dev *to_ov5640_dev(struct v4l2_subdev *sd) 35419a81c14SSteve Longerbeam { 35519a81c14SSteve Longerbeam return container_of(sd, struct ov5640_dev, sd); 35619a81c14SSteve Longerbeam } 35719a81c14SSteve Longerbeam 35819a81c14SSteve Longerbeam static inline struct v4l2_subdev *ctrl_to_sd(struct v4l2_ctrl *ctrl) 35919a81c14SSteve Longerbeam { 36019a81c14SSteve Longerbeam return &container_of(ctrl->handler, struct ov5640_dev, 36119a81c14SSteve Longerbeam ctrls.handler)->sd; 36219a81c14SSteve Longerbeam } 36319a81c14SSteve Longerbeam 3648e823f5cSJacopo Mondi static inline bool ov5640_is_csi2(const struct ov5640_dev *sensor) 3658e823f5cSJacopo Mondi { 3668e823f5cSJacopo Mondi return sensor->ep.bus_type == V4L2_MBUS_CSI2_DPHY; 3678e823f5cSJacopo Mondi } 3688e823f5cSJacopo Mondi 36919a81c14SSteve Longerbeam /* 37019a81c14SSteve Longerbeam * FIXME: all of these register tables are likely filled with 37119a81c14SSteve Longerbeam * entries that set the register to their power-on default values, 37219a81c14SSteve Longerbeam * and which are otherwise not touched by this driver. Those entries 37319a81c14SSteve Longerbeam * should be identified and removed to speed register load time 37419a81c14SSteve Longerbeam * over i2c. 37519a81c14SSteve Longerbeam */ 376fb98e29fSHugues Fruchet /* YUV422 UYVY VGA@30fps */ 37719a81c14SSteve Longerbeam static const struct reg_value ov5640_init_setting_30fps_VGA[] = { 37819a81c14SSteve Longerbeam {0x3103, 0x11, 0, 0}, {0x3008, 0x82, 0, 5}, {0x3008, 0x42, 0, 0}, 379576f5d4bSLad Prabhakar {0x3103, 0x03, 0, 0}, {0x3630, 0x36, 0, 0}, 38019a81c14SSteve Longerbeam {0x3631, 0x0e, 0, 0}, {0x3632, 0xe2, 0, 0}, {0x3633, 0x12, 0, 0}, 38119a81c14SSteve Longerbeam {0x3621, 0xe0, 0, 0}, {0x3704, 0xa0, 0, 0}, {0x3703, 0x5a, 0, 0}, 38219a81c14SSteve Longerbeam {0x3715, 0x78, 0, 0}, {0x3717, 0x01, 0, 0}, {0x370b, 0x60, 0, 0}, 38319a81c14SSteve Longerbeam {0x3705, 0x1a, 0, 0}, {0x3905, 0x02, 0, 0}, {0x3906, 0x10, 0, 0}, 38419a81c14SSteve Longerbeam {0x3901, 0x0a, 0, 0}, {0x3731, 0x12, 0, 0}, {0x3600, 0x08, 0, 0}, 38519a81c14SSteve Longerbeam {0x3601, 0x33, 0, 0}, {0x302d, 0x60, 0, 0}, {0x3620, 0x52, 0, 0}, 38619a81c14SSteve Longerbeam {0x371b, 0x20, 0, 0}, {0x471c, 0x50, 0, 0}, {0x3a13, 0x43, 0, 0}, 38719a81c14SSteve Longerbeam {0x3a18, 0x00, 0, 0}, {0x3a19, 0xf8, 0, 0}, {0x3635, 0x13, 0, 0}, 38819a81c14SSteve Longerbeam {0x3636, 0x03, 0, 0}, {0x3634, 0x40, 0, 0}, {0x3622, 0x01, 0, 0}, 38919a81c14SSteve Longerbeam {0x3c01, 0xa4, 0, 0}, {0x3c04, 0x28, 0, 0}, {0x3c05, 0x98, 0, 0}, 39019a81c14SSteve Longerbeam {0x3c06, 0x00, 0, 0}, {0x3c07, 0x08, 0, 0}, {0x3c08, 0x00, 0, 0}, 39119a81c14SSteve Longerbeam {0x3c09, 0x1c, 0, 0}, {0x3c0a, 0x9c, 0, 0}, {0x3c0b, 0x40, 0, 0}, 39219a81c14SSteve Longerbeam {0x3820, 0x41, 0, 0}, {0x3821, 0x07, 0, 0}, {0x3814, 0x31, 0, 0}, 39319a81c14SSteve Longerbeam {0x3815, 0x31, 0, 0}, {0x3800, 0x00, 0, 0}, {0x3801, 0x00, 0, 0}, 39419a81c14SSteve Longerbeam {0x3802, 0x00, 0, 0}, {0x3803, 0x04, 0, 0}, {0x3804, 0x0a, 0, 0}, 39519a81c14SSteve Longerbeam {0x3805, 0x3f, 0, 0}, {0x3806, 0x07, 0, 0}, {0x3807, 0x9b, 0, 0}, 396476dec01SMaxime Ripard {0x3810, 0x00, 0, 0}, 39719a81c14SSteve Longerbeam {0x3811, 0x10, 0, 0}, {0x3812, 0x00, 0, 0}, {0x3813, 0x06, 0, 0}, 39819a81c14SSteve Longerbeam {0x3618, 0x00, 0, 0}, {0x3612, 0x29, 0, 0}, {0x3708, 0x64, 0, 0}, 39919a81c14SSteve Longerbeam {0x3709, 0x52, 0, 0}, {0x370c, 0x03, 0, 0}, {0x3a02, 0x03, 0, 0}, 40019a81c14SSteve Longerbeam {0x3a03, 0xd8, 0, 0}, {0x3a08, 0x01, 0, 0}, {0x3a09, 0x27, 0, 0}, 40119a81c14SSteve Longerbeam {0x3a0a, 0x00, 0, 0}, {0x3a0b, 0xf6, 0, 0}, {0x3a0e, 0x03, 0, 0}, 40219a81c14SSteve Longerbeam {0x3a0d, 0x04, 0, 0}, {0x3a14, 0x03, 0, 0}, {0x3a15, 0xd8, 0, 0}, 40319a81c14SSteve Longerbeam {0x4001, 0x02, 0, 0}, {0x4004, 0x02, 0, 0}, {0x3000, 0x00, 0, 0}, 40419a81c14SSteve Longerbeam {0x3002, 0x1c, 0, 0}, {0x3004, 0xff, 0, 0}, {0x3006, 0xc3, 0, 0}, 405aa4bb8b8SJacopo Mondi {0x302e, 0x08, 0, 0}, {0x4300, 0x3f, 0, 0}, 4062b5c18f9SChen-Yu Tsai {0x501f, 0x00, 0, 0}, {0x4407, 0x04, 0, 0}, 40719a81c14SSteve Longerbeam {0x440e, 0x00, 0, 0}, {0x460b, 0x35, 0, 0}, {0x460c, 0x22, 0, 0}, 408aa4bb8b8SJacopo Mondi {0x4837, 0x0a, 0, 0}, {0x3824, 0x02, 0, 0}, 40919a81c14SSteve Longerbeam {0x5000, 0xa7, 0, 0}, {0x5001, 0xa3, 0, 0}, {0x5180, 0xff, 0, 0}, 41019a81c14SSteve Longerbeam {0x5181, 0xf2, 0, 0}, {0x5182, 0x00, 0, 0}, {0x5183, 0x14, 0, 0}, 41119a81c14SSteve Longerbeam {0x5184, 0x25, 0, 0}, {0x5185, 0x24, 0, 0}, {0x5186, 0x09, 0, 0}, 41219a81c14SSteve Longerbeam {0x5187, 0x09, 0, 0}, {0x5188, 0x09, 0, 0}, {0x5189, 0x88, 0, 0}, 41319a81c14SSteve Longerbeam {0x518a, 0x54, 0, 0}, {0x518b, 0xee, 0, 0}, {0x518c, 0xb2, 0, 0}, 41419a81c14SSteve Longerbeam {0x518d, 0x50, 0, 0}, {0x518e, 0x34, 0, 0}, {0x518f, 0x6b, 0, 0}, 41519a81c14SSteve Longerbeam {0x5190, 0x46, 0, 0}, {0x5191, 0xf8, 0, 0}, {0x5192, 0x04, 0, 0}, 41619a81c14SSteve Longerbeam {0x5193, 0x70, 0, 0}, {0x5194, 0xf0, 0, 0}, {0x5195, 0xf0, 0, 0}, 41719a81c14SSteve Longerbeam {0x5196, 0x03, 0, 0}, {0x5197, 0x01, 0, 0}, {0x5198, 0x04, 0, 0}, 41819a81c14SSteve Longerbeam {0x5199, 0x6c, 0, 0}, {0x519a, 0x04, 0, 0}, {0x519b, 0x00, 0, 0}, 41919a81c14SSteve Longerbeam {0x519c, 0x09, 0, 0}, {0x519d, 0x2b, 0, 0}, {0x519e, 0x38, 0, 0}, 42019a81c14SSteve Longerbeam {0x5381, 0x1e, 0, 0}, {0x5382, 0x5b, 0, 0}, {0x5383, 0x08, 0, 0}, 42119a81c14SSteve Longerbeam {0x5384, 0x0a, 0, 0}, {0x5385, 0x7e, 0, 0}, {0x5386, 0x88, 0, 0}, 42219a81c14SSteve Longerbeam {0x5387, 0x7c, 0, 0}, {0x5388, 0x6c, 0, 0}, {0x5389, 0x10, 0, 0}, 42319a81c14SSteve Longerbeam {0x538a, 0x01, 0, 0}, {0x538b, 0x98, 0, 0}, {0x5300, 0x08, 0, 0}, 42419a81c14SSteve Longerbeam {0x5301, 0x30, 0, 0}, {0x5302, 0x10, 0, 0}, {0x5303, 0x00, 0, 0}, 42519a81c14SSteve Longerbeam {0x5304, 0x08, 0, 0}, {0x5305, 0x30, 0, 0}, {0x5306, 0x08, 0, 0}, 42619a81c14SSteve Longerbeam {0x5307, 0x16, 0, 0}, {0x5309, 0x08, 0, 0}, {0x530a, 0x30, 0, 0}, 42719a81c14SSteve Longerbeam {0x530b, 0x04, 0, 0}, {0x530c, 0x06, 0, 0}, {0x5480, 0x01, 0, 0}, 42819a81c14SSteve Longerbeam {0x5481, 0x08, 0, 0}, {0x5482, 0x14, 0, 0}, {0x5483, 0x28, 0, 0}, 42919a81c14SSteve Longerbeam {0x5484, 0x51, 0, 0}, {0x5485, 0x65, 0, 0}, {0x5486, 0x71, 0, 0}, 43019a81c14SSteve Longerbeam {0x5487, 0x7d, 0, 0}, {0x5488, 0x87, 0, 0}, {0x5489, 0x91, 0, 0}, 43119a81c14SSteve Longerbeam {0x548a, 0x9a, 0, 0}, {0x548b, 0xaa, 0, 0}, {0x548c, 0xb8, 0, 0}, 43219a81c14SSteve Longerbeam {0x548d, 0xcd, 0, 0}, {0x548e, 0xdd, 0, 0}, {0x548f, 0xea, 0, 0}, 43319a81c14SSteve Longerbeam {0x5490, 0x1d, 0, 0}, {0x5580, 0x02, 0, 0}, {0x5583, 0x40, 0, 0}, 43419a81c14SSteve Longerbeam {0x5584, 0x10, 0, 0}, {0x5589, 0x10, 0, 0}, {0x558a, 0x00, 0, 0}, 43519a81c14SSteve Longerbeam {0x558b, 0xf8, 0, 0}, {0x5800, 0x23, 0, 0}, {0x5801, 0x14, 0, 0}, 43619a81c14SSteve Longerbeam {0x5802, 0x0f, 0, 0}, {0x5803, 0x0f, 0, 0}, {0x5804, 0x12, 0, 0}, 43719a81c14SSteve Longerbeam {0x5805, 0x26, 0, 0}, {0x5806, 0x0c, 0, 0}, {0x5807, 0x08, 0, 0}, 43819a81c14SSteve Longerbeam {0x5808, 0x05, 0, 0}, {0x5809, 0x05, 0, 0}, {0x580a, 0x08, 0, 0}, 43919a81c14SSteve Longerbeam {0x580b, 0x0d, 0, 0}, {0x580c, 0x08, 0, 0}, {0x580d, 0x03, 0, 0}, 44019a81c14SSteve Longerbeam {0x580e, 0x00, 0, 0}, {0x580f, 0x00, 0, 0}, {0x5810, 0x03, 0, 0}, 44119a81c14SSteve Longerbeam {0x5811, 0x09, 0, 0}, {0x5812, 0x07, 0, 0}, {0x5813, 0x03, 0, 0}, 44219a81c14SSteve Longerbeam {0x5814, 0x00, 0, 0}, {0x5815, 0x01, 0, 0}, {0x5816, 0x03, 0, 0}, 44319a81c14SSteve Longerbeam {0x5817, 0x08, 0, 0}, {0x5818, 0x0d, 0, 0}, {0x5819, 0x08, 0, 0}, 44419a81c14SSteve Longerbeam {0x581a, 0x05, 0, 0}, {0x581b, 0x06, 0, 0}, {0x581c, 0x08, 0, 0}, 44519a81c14SSteve Longerbeam {0x581d, 0x0e, 0, 0}, {0x581e, 0x29, 0, 0}, {0x581f, 0x17, 0, 0}, 44619a81c14SSteve Longerbeam {0x5820, 0x11, 0, 0}, {0x5821, 0x11, 0, 0}, {0x5822, 0x15, 0, 0}, 44719a81c14SSteve Longerbeam {0x5823, 0x28, 0, 0}, {0x5824, 0x46, 0, 0}, {0x5825, 0x26, 0, 0}, 44819a81c14SSteve Longerbeam {0x5826, 0x08, 0, 0}, {0x5827, 0x26, 0, 0}, {0x5828, 0x64, 0, 0}, 44919a81c14SSteve Longerbeam {0x5829, 0x26, 0, 0}, {0x582a, 0x24, 0, 0}, {0x582b, 0x22, 0, 0}, 45019a81c14SSteve Longerbeam {0x582c, 0x24, 0, 0}, {0x582d, 0x24, 0, 0}, {0x582e, 0x06, 0, 0}, 45119a81c14SSteve Longerbeam {0x582f, 0x22, 0, 0}, {0x5830, 0x40, 0, 0}, {0x5831, 0x42, 0, 0}, 45219a81c14SSteve Longerbeam {0x5832, 0x24, 0, 0}, {0x5833, 0x26, 0, 0}, {0x5834, 0x24, 0, 0}, 45319a81c14SSteve Longerbeam {0x5835, 0x22, 0, 0}, {0x5836, 0x22, 0, 0}, {0x5837, 0x26, 0, 0}, 45419a81c14SSteve Longerbeam {0x5838, 0x44, 0, 0}, {0x5839, 0x24, 0, 0}, {0x583a, 0x26, 0, 0}, 45519a81c14SSteve Longerbeam {0x583b, 0x28, 0, 0}, {0x583c, 0x42, 0, 0}, {0x583d, 0xce, 0, 0}, 45619a81c14SSteve Longerbeam {0x5025, 0x00, 0, 0}, {0x3a0f, 0x30, 0, 0}, {0x3a10, 0x28, 0, 0}, 45719a81c14SSteve Longerbeam {0x3a1b, 0x30, 0, 0}, {0x3a1e, 0x26, 0, 0}, {0x3a11, 0x60, 0, 0}, 45819a81c14SSteve Longerbeam {0x3a1f, 0x14, 0, 0}, {0x3008, 0x02, 0, 0}, {0x3c00, 0x04, 0, 300}, 45919a81c14SSteve Longerbeam }; 46019a81c14SSteve Longerbeam 461086c25f8SMaxime Ripard static const struct reg_value ov5640_setting_VGA_640_480[] = { 462c14d107eSMaxime Ripard {0x3c07, 0x08, 0, 0}, 46319a81c14SSteve Longerbeam {0x3c09, 0x1c, 0, 0}, {0x3c0a, 0x9c, 0, 0}, {0x3c0b, 0x40, 0, 0}, 464ce85705aSHugues Fruchet {0x3814, 0x31, 0, 0}, 46519a81c14SSteve Longerbeam {0x3815, 0x31, 0, 0}, {0x3800, 0x00, 0, 0}, {0x3801, 0x00, 0, 0}, 46619a81c14SSteve Longerbeam {0x3802, 0x00, 0, 0}, {0x3803, 0x04, 0, 0}, {0x3804, 0x0a, 0, 0}, 46719a81c14SSteve Longerbeam {0x3805, 0x3f, 0, 0}, {0x3806, 0x07, 0, 0}, {0x3807, 0x9b, 0, 0}, 468476dec01SMaxime Ripard {0x3810, 0x00, 0, 0}, 46919a81c14SSteve Longerbeam {0x3811, 0x10, 0, 0}, {0x3812, 0x00, 0, 0}, {0x3813, 0x06, 0, 0}, 47019a81c14SSteve Longerbeam {0x3618, 0x00, 0, 0}, {0x3612, 0x29, 0, 0}, {0x3708, 0x64, 0, 0}, 47119a81c14SSteve Longerbeam {0x3709, 0x52, 0, 0}, {0x370c, 0x03, 0, 0}, {0x3a02, 0x03, 0, 0}, 47219a81c14SSteve Longerbeam {0x3a03, 0xd8, 0, 0}, {0x3a08, 0x01, 0, 0}, {0x3a09, 0x27, 0, 0}, 47319a81c14SSteve Longerbeam {0x3a0a, 0x00, 0, 0}, {0x3a0b, 0xf6, 0, 0}, {0x3a0e, 0x03, 0, 0}, 47419a81c14SSteve Longerbeam {0x3a0d, 0x04, 0, 0}, {0x3a14, 0x03, 0, 0}, {0x3a15, 0xd8, 0, 0}, 4752b5c18f9SChen-Yu Tsai {0x4001, 0x02, 0, 0}, {0x4004, 0x02, 0, 0}, 47619a81c14SSteve Longerbeam {0x4407, 0x04, 0, 0}, {0x460b, 0x35, 0, 0}, {0x460c, 0x22, 0, 0}, 47719a81c14SSteve Longerbeam {0x3824, 0x02, 0, 0}, {0x5001, 0xa3, 0, 0}, 47819a81c14SSteve Longerbeam }; 47919a81c14SSteve Longerbeam 480086c25f8SMaxime Ripard static const struct reg_value ov5640_setting_XGA_1024_768[] = { 481c14d107eSMaxime Ripard {0x3c07, 0x08, 0, 0}, 48219a81c14SSteve Longerbeam {0x3c09, 0x1c, 0, 0}, {0x3c0a, 0x9c, 0, 0}, {0x3c0b, 0x40, 0, 0}, 483ce85705aSHugues Fruchet {0x3814, 0x31, 0, 0}, 48419a81c14SSteve Longerbeam {0x3815, 0x31, 0, 0}, {0x3800, 0x00, 0, 0}, {0x3801, 0x00, 0, 0}, 48519a81c14SSteve Longerbeam {0x3802, 0x00, 0, 0}, {0x3803, 0x04, 0, 0}, {0x3804, 0x0a, 0, 0}, 48619a81c14SSteve Longerbeam {0x3805, 0x3f, 0, 0}, {0x3806, 0x07, 0, 0}, {0x3807, 0x9b, 0, 0}, 487476dec01SMaxime Ripard {0x3810, 0x00, 0, 0}, 48819a81c14SSteve Longerbeam {0x3811, 0x10, 0, 0}, {0x3812, 0x00, 0, 0}, {0x3813, 0x06, 0, 0}, 48919a81c14SSteve Longerbeam {0x3618, 0x00, 0, 0}, {0x3612, 0x29, 0, 0}, {0x3708, 0x64, 0, 0}, 49019a81c14SSteve Longerbeam {0x3709, 0x52, 0, 0}, {0x370c, 0x03, 0, 0}, {0x3a02, 0x03, 0, 0}, 49119a81c14SSteve Longerbeam {0x3a03, 0xd8, 0, 0}, {0x3a08, 0x01, 0, 0}, {0x3a09, 0x27, 0, 0}, 49219a81c14SSteve Longerbeam {0x3a0a, 0x00, 0, 0}, {0x3a0b, 0xf6, 0, 0}, {0x3a0e, 0x03, 0, 0}, 49319a81c14SSteve Longerbeam {0x3a0d, 0x04, 0, 0}, {0x3a14, 0x03, 0, 0}, {0x3a15, 0xd8, 0, 0}, 4942b5c18f9SChen-Yu Tsai {0x4001, 0x02, 0, 0}, {0x4004, 0x02, 0, 0}, 49519a81c14SSteve Longerbeam {0x4407, 0x04, 0, 0}, {0x460b, 0x35, 0, 0}, {0x460c, 0x22, 0, 0}, 49686633417SMaxime Ripard {0x3824, 0x02, 0, 0}, {0x5001, 0xa3, 0, 0}, 49719a81c14SSteve Longerbeam }; 49819a81c14SSteve Longerbeam 499086c25f8SMaxime Ripard static const struct reg_value ov5640_setting_QVGA_320_240[] = { 500c14d107eSMaxime Ripard {0x3c07, 0x08, 0, 0}, 50119a81c14SSteve Longerbeam {0x3c09, 0x1c, 0, 0}, {0x3c0a, 0x9c, 0, 0}, {0x3c0b, 0x40, 0, 0}, 502ce85705aSHugues Fruchet {0x3814, 0x31, 0, 0}, 50319a81c14SSteve Longerbeam {0x3815, 0x31, 0, 0}, {0x3800, 0x00, 0, 0}, {0x3801, 0x00, 0, 0}, 50419a81c14SSteve Longerbeam {0x3802, 0x00, 0, 0}, {0x3803, 0x04, 0, 0}, {0x3804, 0x0a, 0, 0}, 50519a81c14SSteve Longerbeam {0x3805, 0x3f, 0, 0}, {0x3806, 0x07, 0, 0}, {0x3807, 0x9b, 0, 0}, 506476dec01SMaxime Ripard {0x3810, 0x00, 0, 0}, 50719a81c14SSteve Longerbeam {0x3811, 0x10, 0, 0}, {0x3812, 0x00, 0, 0}, {0x3813, 0x06, 0, 0}, 50819a81c14SSteve Longerbeam {0x3618, 0x00, 0, 0}, {0x3612, 0x29, 0, 0}, {0x3708, 0x64, 0, 0}, 50919a81c14SSteve Longerbeam {0x3709, 0x52, 0, 0}, {0x370c, 0x03, 0, 0}, {0x3a02, 0x03, 0, 0}, 51019a81c14SSteve Longerbeam {0x3a03, 0xd8, 0, 0}, {0x3a08, 0x01, 0, 0}, {0x3a09, 0x27, 0, 0}, 51119a81c14SSteve Longerbeam {0x3a0a, 0x00, 0, 0}, {0x3a0b, 0xf6, 0, 0}, {0x3a0e, 0x03, 0, 0}, 51219a81c14SSteve Longerbeam {0x3a0d, 0x04, 0, 0}, {0x3a14, 0x03, 0, 0}, {0x3a15, 0xd8, 0, 0}, 5132b5c18f9SChen-Yu Tsai {0x4001, 0x02, 0, 0}, {0x4004, 0x02, 0, 0}, 51419a81c14SSteve Longerbeam {0x4407, 0x04, 0, 0}, {0x460b, 0x35, 0, 0}, {0x460c, 0x22, 0, 0}, 51519a81c14SSteve Longerbeam {0x3824, 0x02, 0, 0}, {0x5001, 0xa3, 0, 0}, 51619a81c14SSteve Longerbeam }; 51719a81c14SSteve Longerbeam 51832ea5e05SHugues Fruchet static const struct reg_value ov5640_setting_QQVGA_160_120[] = { 51932ea5e05SHugues Fruchet {0x3c07, 0x08, 0, 0}, 52032ea5e05SHugues Fruchet {0x3c09, 0x1c, 0, 0}, {0x3c0a, 0x9c, 0, 0}, {0x3c0b, 0x40, 0, 0}, 52132ea5e05SHugues Fruchet {0x3814, 0x31, 0, 0}, 52232ea5e05SHugues Fruchet {0x3815, 0x31, 0, 0}, {0x3800, 0x00, 0, 0}, {0x3801, 0x00, 0, 0}, 52332ea5e05SHugues Fruchet {0x3802, 0x00, 0, 0}, {0x3803, 0x04, 0, 0}, {0x3804, 0x0a, 0, 0}, 52432ea5e05SHugues Fruchet {0x3805, 0x3f, 0, 0}, {0x3806, 0x07, 0, 0}, {0x3807, 0x9b, 0, 0}, 52532ea5e05SHugues Fruchet {0x3810, 0x00, 0, 0}, 52632ea5e05SHugues Fruchet {0x3811, 0x10, 0, 0}, {0x3812, 0x00, 0, 0}, {0x3813, 0x06, 0, 0}, 52732ea5e05SHugues Fruchet {0x3618, 0x00, 0, 0}, {0x3612, 0x29, 0, 0}, {0x3708, 0x64, 0, 0}, 52832ea5e05SHugues Fruchet {0x3709, 0x52, 0, 0}, {0x370c, 0x03, 0, 0}, {0x3a02, 0x03, 0, 0}, 52932ea5e05SHugues Fruchet {0x3a03, 0xd8, 0, 0}, {0x3a08, 0x01, 0, 0}, {0x3a09, 0x27, 0, 0}, 53032ea5e05SHugues Fruchet {0x3a0a, 0x00, 0, 0}, {0x3a0b, 0xf6, 0, 0}, {0x3a0e, 0x03, 0, 0}, 53132ea5e05SHugues Fruchet {0x3a0d, 0x04, 0, 0}, {0x3a14, 0x03, 0, 0}, {0x3a15, 0xd8, 0, 0}, 53232ea5e05SHugues Fruchet {0x4001, 0x02, 0, 0}, {0x4004, 0x02, 0, 0}, 53332ea5e05SHugues Fruchet {0x4407, 0x04, 0, 0}, {0x5001, 0xa3, 0, 0}, 53432ea5e05SHugues Fruchet }; 53532ea5e05SHugues Fruchet 536086c25f8SMaxime Ripard static const struct reg_value ov5640_setting_QCIF_176_144[] = { 537c14d107eSMaxime Ripard {0x3c07, 0x08, 0, 0}, 53819a81c14SSteve Longerbeam {0x3c09, 0x1c, 0, 0}, {0x3c0a, 0x9c, 0, 0}, {0x3c0b, 0x40, 0, 0}, 539ce85705aSHugues Fruchet {0x3814, 0x31, 0, 0}, 54019a81c14SSteve Longerbeam {0x3815, 0x31, 0, 0}, {0x3800, 0x00, 0, 0}, {0x3801, 0x00, 0, 0}, 54119a81c14SSteve Longerbeam {0x3802, 0x00, 0, 0}, {0x3803, 0x04, 0, 0}, {0x3804, 0x0a, 0, 0}, 54219a81c14SSteve Longerbeam {0x3805, 0x3f, 0, 0}, {0x3806, 0x07, 0, 0}, {0x3807, 0x9b, 0, 0}, 543476dec01SMaxime Ripard {0x3810, 0x00, 0, 0}, 54419a81c14SSteve Longerbeam {0x3811, 0x10, 0, 0}, {0x3812, 0x00, 0, 0}, {0x3813, 0x06, 0, 0}, 54519a81c14SSteve Longerbeam {0x3618, 0x00, 0, 0}, {0x3612, 0x29, 0, 0}, {0x3708, 0x64, 0, 0}, 54619a81c14SSteve Longerbeam {0x3709, 0x52, 0, 0}, {0x370c, 0x03, 0, 0}, {0x3a02, 0x03, 0, 0}, 54719a81c14SSteve Longerbeam {0x3a03, 0xd8, 0, 0}, {0x3a08, 0x01, 0, 0}, {0x3a09, 0x27, 0, 0}, 54819a81c14SSteve Longerbeam {0x3a0a, 0x00, 0, 0}, {0x3a0b, 0xf6, 0, 0}, {0x3a0e, 0x03, 0, 0}, 54919a81c14SSteve Longerbeam {0x3a0d, 0x04, 0, 0}, {0x3a14, 0x03, 0, 0}, {0x3a15, 0xd8, 0, 0}, 5502b5c18f9SChen-Yu Tsai {0x4001, 0x02, 0, 0}, {0x4004, 0x02, 0, 0}, 55119a81c14SSteve Longerbeam {0x4407, 0x04, 0, 0}, {0x460b, 0x35, 0, 0}, {0x460c, 0x22, 0, 0}, 55219a81c14SSteve Longerbeam {0x3824, 0x02, 0, 0}, {0x5001, 0xa3, 0, 0}, 55319a81c14SSteve Longerbeam }; 55419a81c14SSteve Longerbeam 555086c25f8SMaxime Ripard static const struct reg_value ov5640_setting_NTSC_720_480[] = { 556c14d107eSMaxime Ripard {0x3c07, 0x08, 0, 0}, 55719a81c14SSteve Longerbeam {0x3c09, 0x1c, 0, 0}, {0x3c0a, 0x9c, 0, 0}, {0x3c0b, 0x40, 0, 0}, 558ce85705aSHugues Fruchet {0x3814, 0x31, 0, 0}, 55919a81c14SSteve Longerbeam {0x3815, 0x31, 0, 0}, {0x3800, 0x00, 0, 0}, {0x3801, 0x00, 0, 0}, 56019a81c14SSteve Longerbeam {0x3802, 0x00, 0, 0}, {0x3803, 0x04, 0, 0}, {0x3804, 0x0a, 0, 0}, 56119a81c14SSteve Longerbeam {0x3805, 0x3f, 0, 0}, {0x3806, 0x07, 0, 0}, {0x3807, 0x9b, 0, 0}, 562476dec01SMaxime Ripard {0x3810, 0x00, 0, 0}, 56319a81c14SSteve Longerbeam {0x3811, 0x10, 0, 0}, {0x3812, 0x00, 0, 0}, {0x3813, 0x3c, 0, 0}, 56419a81c14SSteve Longerbeam {0x3618, 0x00, 0, 0}, {0x3612, 0x29, 0, 0}, {0x3708, 0x64, 0, 0}, 56519a81c14SSteve Longerbeam {0x3709, 0x52, 0, 0}, {0x370c, 0x03, 0, 0}, {0x3a02, 0x03, 0, 0}, 56619a81c14SSteve Longerbeam {0x3a03, 0xd8, 0, 0}, {0x3a08, 0x01, 0, 0}, {0x3a09, 0x27, 0, 0}, 56719a81c14SSteve Longerbeam {0x3a0a, 0x00, 0, 0}, {0x3a0b, 0xf6, 0, 0}, {0x3a0e, 0x03, 0, 0}, 56819a81c14SSteve Longerbeam {0x3a0d, 0x04, 0, 0}, {0x3a14, 0x03, 0, 0}, {0x3a15, 0xd8, 0, 0}, 5692b5c18f9SChen-Yu Tsai {0x4001, 0x02, 0, 0}, {0x4004, 0x02, 0, 0}, 57019a81c14SSteve Longerbeam {0x4407, 0x04, 0, 0}, {0x460b, 0x35, 0, 0}, {0x460c, 0x22, 0, 0}, 57119a81c14SSteve Longerbeam {0x3824, 0x02, 0, 0}, {0x5001, 0xa3, 0, 0}, 57219a81c14SSteve Longerbeam }; 57319a81c14SSteve Longerbeam 574086c25f8SMaxime Ripard static const struct reg_value ov5640_setting_PAL_720_576[] = { 575c14d107eSMaxime Ripard {0x3c07, 0x08, 0, 0}, 57619a81c14SSteve Longerbeam {0x3c09, 0x1c, 0, 0}, {0x3c0a, 0x9c, 0, 0}, {0x3c0b, 0x40, 0, 0}, 577ce85705aSHugues Fruchet {0x3814, 0x31, 0, 0}, 57819a81c14SSteve Longerbeam {0x3815, 0x31, 0, 0}, {0x3800, 0x00, 0, 0}, {0x3801, 0x00, 0, 0}, 57919a81c14SSteve Longerbeam {0x3802, 0x00, 0, 0}, {0x3803, 0x04, 0, 0}, {0x3804, 0x0a, 0, 0}, 58019a81c14SSteve Longerbeam {0x3805, 0x3f, 0, 0}, {0x3806, 0x07, 0, 0}, {0x3807, 0x9b, 0, 0}, 581476dec01SMaxime Ripard {0x3810, 0x00, 0, 0}, 58219a81c14SSteve Longerbeam {0x3811, 0x38, 0, 0}, {0x3812, 0x00, 0, 0}, {0x3813, 0x06, 0, 0}, 58319a81c14SSteve Longerbeam {0x3618, 0x00, 0, 0}, {0x3612, 0x29, 0, 0}, {0x3708, 0x64, 0, 0}, 58419a81c14SSteve Longerbeam {0x3709, 0x52, 0, 0}, {0x370c, 0x03, 0, 0}, {0x3a02, 0x03, 0, 0}, 58519a81c14SSteve Longerbeam {0x3a03, 0xd8, 0, 0}, {0x3a08, 0x01, 0, 0}, {0x3a09, 0x27, 0, 0}, 58619a81c14SSteve Longerbeam {0x3a0a, 0x00, 0, 0}, {0x3a0b, 0xf6, 0, 0}, {0x3a0e, 0x03, 0, 0}, 58719a81c14SSteve Longerbeam {0x3a0d, 0x04, 0, 0}, {0x3a14, 0x03, 0, 0}, {0x3a15, 0xd8, 0, 0}, 5882b5c18f9SChen-Yu Tsai {0x4001, 0x02, 0, 0}, {0x4004, 0x02, 0, 0}, 58919a81c14SSteve Longerbeam {0x4407, 0x04, 0, 0}, {0x460b, 0x35, 0, 0}, {0x460c, 0x22, 0, 0}, 59019a81c14SSteve Longerbeam {0x3824, 0x02, 0, 0}, {0x5001, 0xa3, 0, 0}, 59119a81c14SSteve Longerbeam }; 59219a81c14SSteve Longerbeam 593086c25f8SMaxime Ripard static const struct reg_value ov5640_setting_720P_1280_720[] = { 594c14d107eSMaxime Ripard {0x3c07, 0x07, 0, 0}, 59519a81c14SSteve Longerbeam {0x3c09, 0x1c, 0, 0}, {0x3c0a, 0x9c, 0, 0}, {0x3c0b, 0x40, 0, 0}, 596ce85705aSHugues Fruchet {0x3814, 0x31, 0, 0}, 59719a81c14SSteve Longerbeam {0x3815, 0x31, 0, 0}, {0x3800, 0x00, 0, 0}, {0x3801, 0x00, 0, 0}, 59819a81c14SSteve Longerbeam {0x3802, 0x00, 0, 0}, {0x3803, 0xfa, 0, 0}, {0x3804, 0x0a, 0, 0}, 59919a81c14SSteve Longerbeam {0x3805, 0x3f, 0, 0}, {0x3806, 0x06, 0, 0}, {0x3807, 0xa9, 0, 0}, 600476dec01SMaxime Ripard {0x3810, 0x00, 0, 0}, 60119a81c14SSteve Longerbeam {0x3811, 0x10, 0, 0}, {0x3812, 0x00, 0, 0}, {0x3813, 0x04, 0, 0}, 60219a81c14SSteve Longerbeam {0x3618, 0x00, 0, 0}, {0x3612, 0x29, 0, 0}, {0x3708, 0x64, 0, 0}, 60319a81c14SSteve Longerbeam {0x3709, 0x52, 0, 0}, {0x370c, 0x03, 0, 0}, {0x3a02, 0x02, 0, 0}, 60419a81c14SSteve Longerbeam {0x3a03, 0xe4, 0, 0}, {0x3a08, 0x01, 0, 0}, {0x3a09, 0xbc, 0, 0}, 60519a81c14SSteve Longerbeam {0x3a0a, 0x01, 0, 0}, {0x3a0b, 0x72, 0, 0}, {0x3a0e, 0x01, 0, 0}, 60619a81c14SSteve Longerbeam {0x3a0d, 0x02, 0, 0}, {0x3a14, 0x02, 0, 0}, {0x3a15, 0xe4, 0, 0}, 6072b5c18f9SChen-Yu Tsai {0x4001, 0x02, 0, 0}, {0x4004, 0x02, 0, 0}, 60819a81c14SSteve Longerbeam {0x4407, 0x04, 0, 0}, {0x460b, 0x37, 0, 0}, {0x460c, 0x20, 0, 0}, 60919a81c14SSteve Longerbeam {0x3824, 0x04, 0, 0}, {0x5001, 0x83, 0, 0}, 61019a81c14SSteve Longerbeam }; 61119a81c14SSteve Longerbeam 612086c25f8SMaxime Ripard static const struct reg_value ov5640_setting_1080P_1920_1080[] = { 613c14d107eSMaxime Ripard {0x3c07, 0x08, 0, 0}, 61419a81c14SSteve Longerbeam {0x3c09, 0x1c, 0, 0}, {0x3c0a, 0x9c, 0, 0}, {0x3c0b, 0x40, 0, 0}, 615ce85705aSHugues Fruchet {0x3814, 0x11, 0, 0}, 61619a81c14SSteve Longerbeam {0x3815, 0x11, 0, 0}, {0x3800, 0x00, 0, 0}, {0x3801, 0x00, 0, 0}, 61719a81c14SSteve Longerbeam {0x3802, 0x00, 0, 0}, {0x3803, 0x00, 0, 0}, {0x3804, 0x0a, 0, 0}, 61819a81c14SSteve Longerbeam {0x3805, 0x3f, 0, 0}, {0x3806, 0x07, 0, 0}, {0x3807, 0x9f, 0, 0}, 619476dec01SMaxime Ripard {0x3810, 0x00, 0, 0}, 62019a81c14SSteve Longerbeam {0x3811, 0x10, 0, 0}, {0x3812, 0x00, 0, 0}, {0x3813, 0x04, 0, 0}, 62119a81c14SSteve Longerbeam {0x3618, 0x04, 0, 0}, {0x3612, 0x29, 0, 0}, {0x3708, 0x21, 0, 0}, 62219a81c14SSteve Longerbeam {0x3709, 0x12, 0, 0}, {0x370c, 0x00, 0, 0}, {0x3a02, 0x03, 0, 0}, 62319a81c14SSteve Longerbeam {0x3a03, 0xd8, 0, 0}, {0x3a08, 0x01, 0, 0}, {0x3a09, 0x27, 0, 0}, 62419a81c14SSteve Longerbeam {0x3a0a, 0x00, 0, 0}, {0x3a0b, 0xf6, 0, 0}, {0x3a0e, 0x03, 0, 0}, 62519a81c14SSteve Longerbeam {0x3a0d, 0x04, 0, 0}, {0x3a14, 0x03, 0, 0}, {0x3a15, 0xd8, 0, 0}, 6262b5c18f9SChen-Yu Tsai {0x4001, 0x02, 0, 0}, {0x4004, 0x06, 0, 0}, 62719a81c14SSteve Longerbeam {0x4407, 0x04, 0, 0}, {0x460b, 0x35, 0, 0}, {0x460c, 0x22, 0, 0}, 628c14d107eSMaxime Ripard {0x3824, 0x02, 0, 0}, {0x5001, 0x83, 0, 0}, 629c14d107eSMaxime Ripard {0x3c07, 0x07, 0, 0}, {0x3c08, 0x00, 0, 0}, 63019a81c14SSteve Longerbeam {0x3c09, 0x1c, 0, 0}, {0x3c0a, 0x9c, 0, 0}, {0x3c0b, 0x40, 0, 0}, 63119a81c14SSteve Longerbeam {0x3800, 0x01, 0, 0}, {0x3801, 0x50, 0, 0}, {0x3802, 0x01, 0, 0}, 63219a81c14SSteve Longerbeam {0x3803, 0xb2, 0, 0}, {0x3804, 0x08, 0, 0}, {0x3805, 0xef, 0, 0}, 63386633417SMaxime Ripard {0x3806, 0x05, 0, 0}, {0x3807, 0xf1, 0, 0}, 634476dec01SMaxime Ripard {0x3612, 0x2b, 0, 0}, {0x3708, 0x64, 0, 0}, 63519a81c14SSteve Longerbeam {0x3a02, 0x04, 0, 0}, {0x3a03, 0x60, 0, 0}, {0x3a08, 0x01, 0, 0}, 63619a81c14SSteve Longerbeam {0x3a09, 0x50, 0, 0}, {0x3a0a, 0x01, 0, 0}, {0x3a0b, 0x18, 0, 0}, 63719a81c14SSteve Longerbeam {0x3a0e, 0x03, 0, 0}, {0x3a0d, 0x04, 0, 0}, {0x3a14, 0x04, 0, 0}, 6382b5c18f9SChen-Yu Tsai {0x3a15, 0x60, 0, 0}, {0x4407, 0x04, 0, 0}, 63919a81c14SSteve Longerbeam {0x460b, 0x37, 0, 0}, {0x460c, 0x20, 0, 0}, {0x3824, 0x04, 0, 0}, 64092b9096cSBenoit Parrot {0x4005, 0x1a, 0, 0}, 64119a81c14SSteve Longerbeam }; 64219a81c14SSteve Longerbeam 643086c25f8SMaxime Ripard static const struct reg_value ov5640_setting_QSXGA_2592_1944[] = { 644c14d107eSMaxime Ripard {0x3c07, 0x08, 0, 0}, 64519a81c14SSteve Longerbeam {0x3c09, 0x1c, 0, 0}, {0x3c0a, 0x9c, 0, 0}, {0x3c0b, 0x40, 0, 0}, 646ce85705aSHugues Fruchet {0x3814, 0x11, 0, 0}, 64719a81c14SSteve Longerbeam {0x3815, 0x11, 0, 0}, {0x3800, 0x00, 0, 0}, {0x3801, 0x00, 0, 0}, 64819a81c14SSteve Longerbeam {0x3802, 0x00, 0, 0}, {0x3803, 0x00, 0, 0}, {0x3804, 0x0a, 0, 0}, 64919a81c14SSteve Longerbeam {0x3805, 0x3f, 0, 0}, {0x3806, 0x07, 0, 0}, {0x3807, 0x9f, 0, 0}, 650476dec01SMaxime Ripard {0x3810, 0x00, 0, 0}, 65119a81c14SSteve Longerbeam {0x3811, 0x10, 0, 0}, {0x3812, 0x00, 0, 0}, {0x3813, 0x04, 0, 0}, 65219a81c14SSteve Longerbeam {0x3618, 0x04, 0, 0}, {0x3612, 0x29, 0, 0}, {0x3708, 0x21, 0, 0}, 65319a81c14SSteve Longerbeam {0x3709, 0x12, 0, 0}, {0x370c, 0x00, 0, 0}, {0x3a02, 0x03, 0, 0}, 65419a81c14SSteve Longerbeam {0x3a03, 0xd8, 0, 0}, {0x3a08, 0x01, 0, 0}, {0x3a09, 0x27, 0, 0}, 65519a81c14SSteve Longerbeam {0x3a0a, 0x00, 0, 0}, {0x3a0b, 0xf6, 0, 0}, {0x3a0e, 0x03, 0, 0}, 65619a81c14SSteve Longerbeam {0x3a0d, 0x04, 0, 0}, {0x3a14, 0x03, 0, 0}, {0x3a15, 0xd8, 0, 0}, 6572b5c18f9SChen-Yu Tsai {0x4001, 0x02, 0, 0}, {0x4004, 0x06, 0, 0}, 65819a81c14SSteve Longerbeam {0x4407, 0x04, 0, 0}, {0x460b, 0x35, 0, 0}, {0x460c, 0x22, 0, 0}, 65919a81c14SSteve Longerbeam {0x3824, 0x02, 0, 0}, {0x5001, 0x83, 0, 70}, 66019a81c14SSteve Longerbeam }; 66119a81c14SSteve Longerbeam 66219a81c14SSteve Longerbeam /* power-on sensor init reg table */ 66319a81c14SSteve Longerbeam static const struct ov5640_mode_info ov5640_mode_init_data = { 66422845bf2SJacopo Mondi 0, SUBSAMPLING, 66522845bf2SJacopo Mondi OV5640_PIXEL_RATE_96M, 66622845bf2SJacopo Mondi 640, 1896, 480, 984, 667476dec01SMaxime Ripard ov5640_init_setting_30fps_VGA, 66819a81c14SSteve Longerbeam ARRAY_SIZE(ov5640_init_setting_30fps_VGA), 6695554c80eSAdam Ford OV5640_30_FPS, 67019a81c14SSteve Longerbeam }; 67119a81c14SSteve Longerbeam 67219a81c14SSteve Longerbeam static const struct ov5640_mode_info 673086c25f8SMaxime Ripard ov5640_mode_data[OV5640_NUM_MODES] = { 6748409d017SJacopo Mondi { 6758409d017SJacopo Mondi /* 160x120 */ 6768409d017SJacopo Mondi OV5640_MODE_QQVGA_160_120, SUBSAMPLING, 67722845bf2SJacopo Mondi OV5640_PIXEL_RATE_48M, 67832ea5e05SHugues Fruchet 160, 1896, 120, 984, 67932ea5e05SHugues Fruchet ov5640_setting_QQVGA_160_120, 68032ea5e05SHugues Fruchet ARRAY_SIZE(ov5640_setting_QQVGA_160_120), 6818409d017SJacopo Mondi OV5640_30_FPS 6828409d017SJacopo Mondi }, { 6838409d017SJacopo Mondi /* 176x144 */ 6848409d017SJacopo Mondi OV5640_MODE_QCIF_176_144, SUBSAMPLING, 68522845bf2SJacopo Mondi OV5640_PIXEL_RATE_48M, 686476dec01SMaxime Ripard 176, 1896, 144, 984, 687086c25f8SMaxime Ripard ov5640_setting_QCIF_176_144, 6885554c80eSAdam Ford ARRAY_SIZE(ov5640_setting_QCIF_176_144), 6898409d017SJacopo Mondi OV5640_30_FPS 6908409d017SJacopo Mondi }, { 6918409d017SJacopo Mondi /* 320x240 */ 6928409d017SJacopo Mondi OV5640_MODE_QVGA_320_240, SUBSAMPLING, 69322845bf2SJacopo Mondi OV5640_PIXEL_RATE_48M, 694476dec01SMaxime Ripard 320, 1896, 240, 984, 695086c25f8SMaxime Ripard ov5640_setting_QVGA_320_240, 6965554c80eSAdam Ford ARRAY_SIZE(ov5640_setting_QVGA_320_240), 6978409d017SJacopo Mondi OV5640_30_FPS 6988409d017SJacopo Mondi }, { 6998409d017SJacopo Mondi /* 640x480 */ 7008409d017SJacopo Mondi OV5640_MODE_VGA_640_480, SUBSAMPLING, 70122845bf2SJacopo Mondi OV5640_PIXEL_RATE_48M, 702476dec01SMaxime Ripard 640, 1896, 480, 1080, 703086c25f8SMaxime Ripard ov5640_setting_VGA_640_480, 7045554c80eSAdam Ford ARRAY_SIZE(ov5640_setting_VGA_640_480), 7058409d017SJacopo Mondi OV5640_60_FPS 7068409d017SJacopo Mondi }, { 7078409d017SJacopo Mondi /* 720x480 */ 7088409d017SJacopo Mondi OV5640_MODE_NTSC_720_480, SUBSAMPLING, 70922845bf2SJacopo Mondi OV5640_PIXEL_RATE_96M, 710476dec01SMaxime Ripard 720, 1896, 480, 984, 711086c25f8SMaxime Ripard ov5640_setting_NTSC_720_480, 7125554c80eSAdam Ford ARRAY_SIZE(ov5640_setting_NTSC_720_480), 7138409d017SJacopo Mondi OV5640_30_FPS 7148409d017SJacopo Mondi }, { 7158409d017SJacopo Mondi /* 720x576 */ 7168409d017SJacopo Mondi OV5640_MODE_PAL_720_576, SUBSAMPLING, 71722845bf2SJacopo Mondi OV5640_PIXEL_RATE_96M, 718476dec01SMaxime Ripard 720, 1896, 576, 984, 719086c25f8SMaxime Ripard ov5640_setting_PAL_720_576, 7205554c80eSAdam Ford ARRAY_SIZE(ov5640_setting_PAL_720_576), 7218409d017SJacopo Mondi OV5640_30_FPS 7228409d017SJacopo Mondi }, { 7238409d017SJacopo Mondi /* 1024x768 */ 7248409d017SJacopo Mondi OV5640_MODE_XGA_1024_768, SUBSAMPLING, 72522845bf2SJacopo Mondi OV5640_PIXEL_RATE_96M, 726476dec01SMaxime Ripard 1024, 1896, 768, 1080, 727086c25f8SMaxime Ripard ov5640_setting_XGA_1024_768, 7285554c80eSAdam Ford ARRAY_SIZE(ov5640_setting_XGA_1024_768), 7298409d017SJacopo Mondi OV5640_30_FPS 7308409d017SJacopo Mondi }, { 7318409d017SJacopo Mondi /* 1280x720 */ 7328409d017SJacopo Mondi OV5640_MODE_720P_1280_720, SUBSAMPLING, 73322845bf2SJacopo Mondi OV5640_PIXEL_RATE_124M, 734476dec01SMaxime Ripard 1280, 1892, 720, 740, 735086c25f8SMaxime Ripard ov5640_setting_720P_1280_720, 7365554c80eSAdam Ford ARRAY_SIZE(ov5640_setting_720P_1280_720), 7378409d017SJacopo Mondi OV5640_30_FPS 7388409d017SJacopo Mondi }, { 7398409d017SJacopo Mondi /* 1920x1080 */ 7408409d017SJacopo Mondi OV5640_MODE_1080P_1920_1080, SCALING, 74122845bf2SJacopo Mondi OV5640_PIXEL_RATE_148M, 742476dec01SMaxime Ripard 1920, 2500, 1080, 1120, 743086c25f8SMaxime Ripard ov5640_setting_1080P_1920_1080, 7445554c80eSAdam Ford ARRAY_SIZE(ov5640_setting_1080P_1920_1080), 7458409d017SJacopo Mondi OV5640_30_FPS 7468409d017SJacopo Mondi }, { 7478409d017SJacopo Mondi /* 2592x1944 */ 7488409d017SJacopo Mondi OV5640_MODE_QSXGA_2592_1944, SCALING, 74922845bf2SJacopo Mondi OV5640_PIXEL_RATE_168M, 750476dec01SMaxime Ripard 2592, 2844, 1944, 1968, 751086c25f8SMaxime Ripard ov5640_setting_QSXGA_2592_1944, 7525554c80eSAdam Ford ARRAY_SIZE(ov5640_setting_QSXGA_2592_1944), 7538409d017SJacopo Mondi OV5640_15_FPS 7548409d017SJacopo Mondi }, 75519a81c14SSteve Longerbeam }; 75619a81c14SSteve Longerbeam 75719a81c14SSteve Longerbeam static int ov5640_init_slave_id(struct ov5640_dev *sensor) 75819a81c14SSteve Longerbeam { 75919a81c14SSteve Longerbeam struct i2c_client *client = sensor->i2c_client; 76019a81c14SSteve Longerbeam struct i2c_msg msg; 76119a81c14SSteve Longerbeam u8 buf[3]; 76219a81c14SSteve Longerbeam int ret; 76319a81c14SSteve Longerbeam 76419a81c14SSteve Longerbeam if (client->addr == OV5640_DEFAULT_SLAVE_ID) 76519a81c14SSteve Longerbeam return 0; 76619a81c14SSteve Longerbeam 76719a81c14SSteve Longerbeam buf[0] = OV5640_REG_SLAVE_ID >> 8; 76819a81c14SSteve Longerbeam buf[1] = OV5640_REG_SLAVE_ID & 0xff; 76919a81c14SSteve Longerbeam buf[2] = client->addr << 1; 77019a81c14SSteve Longerbeam 77119a81c14SSteve Longerbeam msg.addr = OV5640_DEFAULT_SLAVE_ID; 77219a81c14SSteve Longerbeam msg.flags = 0; 77319a81c14SSteve Longerbeam msg.buf = buf; 77419a81c14SSteve Longerbeam msg.len = sizeof(buf); 77519a81c14SSteve Longerbeam 77619a81c14SSteve Longerbeam ret = i2c_transfer(client->adapter, &msg, 1); 77719a81c14SSteve Longerbeam if (ret < 0) { 77819a81c14SSteve Longerbeam dev_err(&client->dev, "%s: failed with %d\n", __func__, ret); 77919a81c14SSteve Longerbeam return ret; 78019a81c14SSteve Longerbeam } 78119a81c14SSteve Longerbeam 78219a81c14SSteve Longerbeam return 0; 78319a81c14SSteve Longerbeam } 78419a81c14SSteve Longerbeam 78519a81c14SSteve Longerbeam static int ov5640_write_reg(struct ov5640_dev *sensor, u16 reg, u8 val) 78619a81c14SSteve Longerbeam { 78719a81c14SSteve Longerbeam struct i2c_client *client = sensor->i2c_client; 78819a81c14SSteve Longerbeam struct i2c_msg msg; 78919a81c14SSteve Longerbeam u8 buf[3]; 79019a81c14SSteve Longerbeam int ret; 79119a81c14SSteve Longerbeam 79219a81c14SSteve Longerbeam buf[0] = reg >> 8; 79319a81c14SSteve Longerbeam buf[1] = reg & 0xff; 79419a81c14SSteve Longerbeam buf[2] = val; 79519a81c14SSteve Longerbeam 79619a81c14SSteve Longerbeam msg.addr = client->addr; 79719a81c14SSteve Longerbeam msg.flags = client->flags; 79819a81c14SSteve Longerbeam msg.buf = buf; 79919a81c14SSteve Longerbeam msg.len = sizeof(buf); 80019a81c14SSteve Longerbeam 80119a81c14SSteve Longerbeam ret = i2c_transfer(client->adapter, &msg, 1); 80219a81c14SSteve Longerbeam if (ret < 0) { 8033924c623SHugues Fruchet dev_err(&client->dev, "%s: error: reg=%x, val=%x\n", 80419a81c14SSteve Longerbeam __func__, reg, val); 80519a81c14SSteve Longerbeam return ret; 80619a81c14SSteve Longerbeam } 80719a81c14SSteve Longerbeam 80819a81c14SSteve Longerbeam return 0; 80919a81c14SSteve Longerbeam } 81019a81c14SSteve Longerbeam 81119a81c14SSteve Longerbeam static int ov5640_read_reg(struct ov5640_dev *sensor, u16 reg, u8 *val) 81219a81c14SSteve Longerbeam { 81319a81c14SSteve Longerbeam struct i2c_client *client = sensor->i2c_client; 81419a81c14SSteve Longerbeam struct i2c_msg msg[2]; 81519a81c14SSteve Longerbeam u8 buf[2]; 81619a81c14SSteve Longerbeam int ret; 81719a81c14SSteve Longerbeam 81819a81c14SSteve Longerbeam buf[0] = reg >> 8; 81919a81c14SSteve Longerbeam buf[1] = reg & 0xff; 82019a81c14SSteve Longerbeam 82119a81c14SSteve Longerbeam msg[0].addr = client->addr; 82219a81c14SSteve Longerbeam msg[0].flags = client->flags; 82319a81c14SSteve Longerbeam msg[0].buf = buf; 82419a81c14SSteve Longerbeam msg[0].len = sizeof(buf); 82519a81c14SSteve Longerbeam 82619a81c14SSteve Longerbeam msg[1].addr = client->addr; 82719a81c14SSteve Longerbeam msg[1].flags = client->flags | I2C_M_RD; 82819a81c14SSteve Longerbeam msg[1].buf = buf; 82919a81c14SSteve Longerbeam msg[1].len = 1; 83019a81c14SSteve Longerbeam 83119a81c14SSteve Longerbeam ret = i2c_transfer(client->adapter, msg, 2); 8323924c623SHugues Fruchet if (ret < 0) { 8333924c623SHugues Fruchet dev_err(&client->dev, "%s: error: reg=%x\n", 8343924c623SHugues Fruchet __func__, reg); 83519a81c14SSteve Longerbeam return ret; 8363924c623SHugues Fruchet } 83719a81c14SSteve Longerbeam 83819a81c14SSteve Longerbeam *val = buf[0]; 83919a81c14SSteve Longerbeam return 0; 84019a81c14SSteve Longerbeam } 84119a81c14SSteve Longerbeam 84219a81c14SSteve Longerbeam static int ov5640_read_reg16(struct ov5640_dev *sensor, u16 reg, u16 *val) 84319a81c14SSteve Longerbeam { 84419a81c14SSteve Longerbeam u8 hi, lo; 84519a81c14SSteve Longerbeam int ret; 84619a81c14SSteve Longerbeam 84719a81c14SSteve Longerbeam ret = ov5640_read_reg(sensor, reg, &hi); 84819a81c14SSteve Longerbeam if (ret) 84919a81c14SSteve Longerbeam return ret; 85019a81c14SSteve Longerbeam ret = ov5640_read_reg(sensor, reg + 1, &lo); 85119a81c14SSteve Longerbeam if (ret) 85219a81c14SSteve Longerbeam return ret; 85319a81c14SSteve Longerbeam 85419a81c14SSteve Longerbeam *val = ((u16)hi << 8) | (u16)lo; 85519a81c14SSteve Longerbeam return 0; 85619a81c14SSteve Longerbeam } 85719a81c14SSteve Longerbeam 85819a81c14SSteve Longerbeam static int ov5640_write_reg16(struct ov5640_dev *sensor, u16 reg, u16 val) 85919a81c14SSteve Longerbeam { 86019a81c14SSteve Longerbeam int ret; 86119a81c14SSteve Longerbeam 86219a81c14SSteve Longerbeam ret = ov5640_write_reg(sensor, reg, val >> 8); 86319a81c14SSteve Longerbeam if (ret) 86419a81c14SSteve Longerbeam return ret; 86519a81c14SSteve Longerbeam 86619a81c14SSteve Longerbeam return ov5640_write_reg(sensor, reg + 1, val & 0xff); 86719a81c14SSteve Longerbeam } 86819a81c14SSteve Longerbeam 86919a81c14SSteve Longerbeam static int ov5640_mod_reg(struct ov5640_dev *sensor, u16 reg, 87019a81c14SSteve Longerbeam u8 mask, u8 val) 87119a81c14SSteve Longerbeam { 87219a81c14SSteve Longerbeam u8 readval; 87319a81c14SSteve Longerbeam int ret; 87419a81c14SSteve Longerbeam 87519a81c14SSteve Longerbeam ret = ov5640_read_reg(sensor, reg, &readval); 87619a81c14SSteve Longerbeam if (ret) 87719a81c14SSteve Longerbeam return ret; 87819a81c14SSteve Longerbeam 87919a81c14SSteve Longerbeam readval &= ~mask; 88019a81c14SSteve Longerbeam val &= mask; 88119a81c14SSteve Longerbeam val |= readval; 88219a81c14SSteve Longerbeam 88319a81c14SSteve Longerbeam return ov5640_write_reg(sensor, reg, val); 88419a81c14SSteve Longerbeam } 88519a81c14SSteve Longerbeam 886aa288248SMaxime Ripard /* 887aa288248SMaxime Ripard * After trying the various combinations, reading various 888f8a7647dSMauro Carvalho Chehab * documentations spread around the net, and from the various 889aa288248SMaxime Ripard * feedback, the clock tree is probably as follows: 890aa288248SMaxime Ripard * 891aa288248SMaxime Ripard * +--------------+ 892aa288248SMaxime Ripard * | Ext. Clock | 893aa288248SMaxime Ripard * +-+------------+ 894aa288248SMaxime Ripard * | +----------+ 895aa288248SMaxime Ripard * +->| PLL1 | - reg 0x3036, for the multiplier 896aa288248SMaxime Ripard * +-+--------+ - reg 0x3037, bits 0-3 for the pre-divider 897aa288248SMaxime Ripard * | +--------------+ 898aa288248SMaxime Ripard * +->| System Clock | - reg 0x3035, bits 4-7 899aa288248SMaxime Ripard * +-+------------+ 900aa288248SMaxime Ripard * | +--------------+ 901aa288248SMaxime Ripard * +->| MIPI Divider | - reg 0x3035, bits 0-3 902aa288248SMaxime Ripard * | +-+------------+ 903aa288248SMaxime Ripard * | +----------------> MIPI SCLK 904aa288248SMaxime Ripard * | + +-----+ 905aa288248SMaxime Ripard * | +->| / 2 |-------> MIPI BIT CLK 906aa288248SMaxime Ripard * | +-----+ 907aa288248SMaxime Ripard * | +--------------+ 908aa288248SMaxime Ripard * +->| PLL Root Div | - reg 0x3037, bit 4 909aa288248SMaxime Ripard * +-+------------+ 910aa288248SMaxime Ripard * | +---------+ 9114c85f628SPaul Kocialkowski * +->| Bit Div | - reg 0x3034, bits 0-3 912aa288248SMaxime Ripard * +-+-------+ 913aa288248SMaxime Ripard * | +-------------+ 914aa288248SMaxime Ripard * +->| SCLK Div | - reg 0x3108, bits 0-1 915aa288248SMaxime Ripard * | +-+-----------+ 916aa288248SMaxime Ripard * | +---------------> SCLK 917aa288248SMaxime Ripard * | +-------------+ 918aa288248SMaxime Ripard * +->| SCLK 2X Div | - reg 0x3108, bits 2-3 919aa288248SMaxime Ripard * | +-+-----------+ 920aa288248SMaxime Ripard * | +---------------> SCLK 2X 921aa288248SMaxime Ripard * | +-------------+ 922aa288248SMaxime Ripard * +->| PCLK Div | - reg 0x3108, bits 4-5 923aa288248SMaxime Ripard * ++------------+ 924aa288248SMaxime Ripard * + +-----------+ 925aa288248SMaxime Ripard * +->| P_DIV | - reg 0x3035, bits 0-3 926aa288248SMaxime Ripard * +-----+-----+ 927aa288248SMaxime Ripard * +------------> PCLK 928aa288248SMaxime Ripard * 929aa288248SMaxime Ripard * This is deviating from the datasheet at least for the register 930aa288248SMaxime Ripard * 0x3108, since it's said here that the PCLK would be clocked from 931aa288248SMaxime Ripard * the PLL. 932aa288248SMaxime Ripard * 933aa288248SMaxime Ripard * There seems to be also (unverified) constraints: 934aa288248SMaxime Ripard * - the PLL pre-divider output rate should be in the 4-27MHz range 935aa288248SMaxime Ripard * - the PLL multiplier output rate should be in the 500-1000MHz range 936aa288248SMaxime Ripard * - PCLK >= SCLK * 2 in YUV, >= SCLK in Raw or JPEG 937aa288248SMaxime Ripard * 938aa288248SMaxime Ripard * In the two latter cases, these constraints are met since our 939aa288248SMaxime Ripard * factors are hardcoded. If we were to change that, we would need to 940aa288248SMaxime Ripard * take this into account. The only varying parts are the PLL 941aa288248SMaxime Ripard * multiplier and the system clock divider, which are shared between 942aa288248SMaxime Ripard * all these clocks so won't cause any issue. 943aa288248SMaxime Ripard */ 944aa288248SMaxime Ripard 945aa288248SMaxime Ripard /* 946aa288248SMaxime Ripard * This is supposed to be ranging from 1 to 8, but the value is always 947aa288248SMaxime Ripard * set to 3 in the vendor kernels. 948aa288248SMaxime Ripard */ 949aa288248SMaxime Ripard #define OV5640_PLL_PREDIV 3 950aa288248SMaxime Ripard 951aa288248SMaxime Ripard #define OV5640_PLL_MULT_MIN 4 952aa288248SMaxime Ripard #define OV5640_PLL_MULT_MAX 252 953aa288248SMaxime Ripard 954aa288248SMaxime Ripard /* 955aa288248SMaxime Ripard * This is supposed to be ranging from 1 to 16, but the value is 956aa288248SMaxime Ripard * always set to either 1 or 2 in the vendor kernels. 957aa288248SMaxime Ripard */ 958aa288248SMaxime Ripard #define OV5640_SYSDIV_MIN 1 959aa288248SMaxime Ripard #define OV5640_SYSDIV_MAX 16 960aa288248SMaxime Ripard 961aa288248SMaxime Ripard /* 962aa288248SMaxime Ripard * Hardcode these values for scaler and non-scaler modes. 963aa288248SMaxime Ripard * FIXME: to be re-calcualted for 1 data lanes setups 964aa288248SMaxime Ripard */ 965aa288248SMaxime Ripard #define OV5640_MIPI_DIV_PCLK 2 966aa288248SMaxime Ripard #define OV5640_MIPI_DIV_SCLK 1 967aa288248SMaxime Ripard 968aa288248SMaxime Ripard /* 969aa288248SMaxime Ripard * This is supposed to be ranging from 1 to 2, but the value is always 970aa288248SMaxime Ripard * set to 2 in the vendor kernels. 971aa288248SMaxime Ripard */ 972aa288248SMaxime Ripard #define OV5640_PLL_ROOT_DIV 2 973aa288248SMaxime Ripard #define OV5640_PLL_CTRL3_PLL_ROOT_DIV_2 BIT(4) 974aa288248SMaxime Ripard 975aa288248SMaxime Ripard /* 976aa288248SMaxime Ripard * We only supports 8-bit formats at the moment 977aa288248SMaxime Ripard */ 978aa288248SMaxime Ripard #define OV5640_BIT_DIV 2 979aa288248SMaxime Ripard #define OV5640_PLL_CTRL0_MIPI_MODE_8BIT 0x08 980aa288248SMaxime Ripard 981aa288248SMaxime Ripard /* 982aa288248SMaxime Ripard * This is supposed to be ranging from 1 to 8, but the value is always 983aa288248SMaxime Ripard * set to 2 in the vendor kernels. 984aa288248SMaxime Ripard */ 985aa288248SMaxime Ripard #define OV5640_SCLK_ROOT_DIV 2 986aa288248SMaxime Ripard 987aa288248SMaxime Ripard /* 988aa288248SMaxime Ripard * This is hardcoded so that the consistency is maintained between SCLK and 989aa288248SMaxime Ripard * SCLK 2x. 990aa288248SMaxime Ripard */ 991aa288248SMaxime Ripard #define OV5640_SCLK2X_ROOT_DIV (OV5640_SCLK_ROOT_DIV / 2) 992aa288248SMaxime Ripard 993aa288248SMaxime Ripard /* 994aa288248SMaxime Ripard * This is supposed to be ranging from 1 to 8, but the value is always 995aa288248SMaxime Ripard * set to 1 in the vendor kernels. 996aa288248SMaxime Ripard */ 997aa288248SMaxime Ripard #define OV5640_PCLK_ROOT_DIV 1 998aa288248SMaxime Ripard #define OV5640_PLL_SYS_ROOT_DIVIDER_BYPASS 0x00 999aa288248SMaxime Ripard 1000aa288248SMaxime Ripard static unsigned long ov5640_compute_sys_clk(struct ov5640_dev *sensor, 1001aa288248SMaxime Ripard u8 pll_prediv, u8 pll_mult, 1002aa288248SMaxime Ripard u8 sysdiv) 1003aa288248SMaxime Ripard { 1004aa288248SMaxime Ripard unsigned long sysclk = sensor->xclk_freq / pll_prediv * pll_mult; 1005aa288248SMaxime Ripard 1006aa288248SMaxime Ripard /* PLL1 output cannot exceed 1GHz. */ 1007aa288248SMaxime Ripard if (sysclk / 1000000 > 1000) 1008aa288248SMaxime Ripard return 0; 1009aa288248SMaxime Ripard 1010aa288248SMaxime Ripard return sysclk / sysdiv; 1011aa288248SMaxime Ripard } 1012aa288248SMaxime Ripard 1013aa288248SMaxime Ripard static unsigned long ov5640_calc_sys_clk(struct ov5640_dev *sensor, 1014aa288248SMaxime Ripard unsigned long rate, 1015aa288248SMaxime Ripard u8 *pll_prediv, u8 *pll_mult, 1016aa288248SMaxime Ripard u8 *sysdiv) 1017aa288248SMaxime Ripard { 1018aa288248SMaxime Ripard unsigned long best = ~0; 1019aa288248SMaxime Ripard u8 best_sysdiv = 1, best_mult = 1; 1020aa288248SMaxime Ripard u8 _sysdiv, _pll_mult; 1021aa288248SMaxime Ripard 1022aa288248SMaxime Ripard for (_sysdiv = OV5640_SYSDIV_MIN; 1023aa288248SMaxime Ripard _sysdiv <= OV5640_SYSDIV_MAX; 1024aa288248SMaxime Ripard _sysdiv++) { 1025aa288248SMaxime Ripard for (_pll_mult = OV5640_PLL_MULT_MIN; 1026aa288248SMaxime Ripard _pll_mult <= OV5640_PLL_MULT_MAX; 1027aa288248SMaxime Ripard _pll_mult++) { 1028aa288248SMaxime Ripard unsigned long _rate; 1029aa288248SMaxime Ripard 1030aa288248SMaxime Ripard /* 1031aa288248SMaxime Ripard * The PLL multiplier cannot be odd if above 1032aa288248SMaxime Ripard * 127. 1033aa288248SMaxime Ripard */ 1034aa288248SMaxime Ripard if (_pll_mult > 127 && (_pll_mult % 2)) 1035aa288248SMaxime Ripard continue; 1036aa288248SMaxime Ripard 1037aa288248SMaxime Ripard _rate = ov5640_compute_sys_clk(sensor, 1038aa288248SMaxime Ripard OV5640_PLL_PREDIV, 1039aa288248SMaxime Ripard _pll_mult, _sysdiv); 1040aa288248SMaxime Ripard 1041aa288248SMaxime Ripard /* 1042aa288248SMaxime Ripard * We have reached the maximum allowed PLL1 output, 1043aa288248SMaxime Ripard * increase sysdiv. 1044aa288248SMaxime Ripard */ 10452e3df204SAdam Ford if (!_rate) 1046aa288248SMaxime Ripard break; 1047aa288248SMaxime Ripard 1048aa288248SMaxime Ripard /* 1049aa288248SMaxime Ripard * Prefer rates above the expected clock rate than 1050aa288248SMaxime Ripard * below, even if that means being less precise. 1051aa288248SMaxime Ripard */ 1052aa288248SMaxime Ripard if (_rate < rate) 1053aa288248SMaxime Ripard continue; 1054aa288248SMaxime Ripard 1055aa288248SMaxime Ripard if (abs(rate - _rate) < abs(rate - best)) { 1056aa288248SMaxime Ripard best = _rate; 1057aa288248SMaxime Ripard best_sysdiv = _sysdiv; 1058aa288248SMaxime Ripard best_mult = _pll_mult; 1059aa288248SMaxime Ripard } 1060aa288248SMaxime Ripard 1061aa288248SMaxime Ripard if (_rate == rate) 1062aa288248SMaxime Ripard goto out; 1063aa288248SMaxime Ripard } 1064aa288248SMaxime Ripard } 1065aa288248SMaxime Ripard 1066aa288248SMaxime Ripard out: 1067aa288248SMaxime Ripard *sysdiv = best_sysdiv; 1068aa288248SMaxime Ripard *pll_prediv = OV5640_PLL_PREDIV; 1069aa288248SMaxime Ripard *pll_mult = best_mult; 1070aa288248SMaxime Ripard 1071aa288248SMaxime Ripard return best; 1072aa288248SMaxime Ripard } 1073aa288248SMaxime Ripard 1074aa288248SMaxime Ripard /* 1075aa288248SMaxime Ripard * ov5640_set_mipi_pclk() - Calculate the clock tree configuration values 1076aa288248SMaxime Ripard * for the MIPI CSI-2 output. 1077aa288248SMaxime Ripard * 1078aa288248SMaxime Ripard * @rate: The requested bandwidth per lane in bytes per second. 1079aa288248SMaxime Ripard * 'Bandwidth Per Lane' is calculated as: 1080aa288248SMaxime Ripard * bpl = HTOT * VTOT * FPS * bpp / num_lanes; 1081aa288248SMaxime Ripard * 1082aa288248SMaxime Ripard * This function use the requested bandwidth to calculate: 1083aa288248SMaxime Ripard * - sample_rate = bpl / (bpp / num_lanes); 1084aa288248SMaxime Ripard * = bpl / (PLL_RDIV * BIT_DIV * PCLK_DIV * MIPI_DIV / num_lanes); 1085aa288248SMaxime Ripard * 1086aa288248SMaxime Ripard * - mipi_sclk = bpl / MIPI_DIV / 2; ( / 2 is for CSI-2 DDR) 1087aa288248SMaxime Ripard * 1088aa288248SMaxime Ripard * with these fixed parameters: 1089aa288248SMaxime Ripard * PLL_RDIV = 2; 1090aa288248SMaxime Ripard * BIT_DIVIDER = 2; (MIPI_BIT_MODE == 8 ? 2 : 2,5); 1091aa288248SMaxime Ripard * PCLK_DIV = 1; 1092aa288248SMaxime Ripard * 1093aa288248SMaxime Ripard * The MIPI clock generation differs for modes that use the scaler and modes 1094aa288248SMaxime Ripard * that do not. In case the scaler is in use, the MIPI_SCLK generates the MIPI 1095aa288248SMaxime Ripard * BIT CLk, and thus: 1096aa288248SMaxime Ripard * 1097aa288248SMaxime Ripard * - mipi_sclk = bpl / MIPI_DIV / 2; 1098aa288248SMaxime Ripard * MIPI_DIV = 1; 1099aa288248SMaxime Ripard * 1100aa288248SMaxime Ripard * For modes that do not go through the scaler, the MIPI BIT CLOCK is generated 1101aa288248SMaxime Ripard * from the pixel clock, and thus: 1102aa288248SMaxime Ripard * 1103aa288248SMaxime Ripard * - sample_rate = bpl / (bpp / num_lanes); 1104aa288248SMaxime Ripard * = bpl / (2 * 2 * 1 * MIPI_DIV / num_lanes); 1105aa288248SMaxime Ripard * = bpl / (4 * MIPI_DIV / num_lanes); 1106aa288248SMaxime Ripard * - MIPI_DIV = bpp / (4 * num_lanes); 1107aa288248SMaxime Ripard * 1108aa288248SMaxime Ripard * FIXME: this have been tested with 16bpp and 2 lanes setup only. 1109aa288248SMaxime Ripard * MIPI_DIV is fixed to value 2, but it -might- be changed according to the 1110aa288248SMaxime Ripard * above formula for setups with 1 lane or image formats with different bpp. 1111aa288248SMaxime Ripard * 1112aa288248SMaxime Ripard * FIXME: this deviates from the sensor manual documentation which is quite 1113aa288248SMaxime Ripard * thin on the MIPI clock tree generation part. 1114aa288248SMaxime Ripard */ 1115aa288248SMaxime Ripard static int ov5640_set_mipi_pclk(struct ov5640_dev *sensor, 1116aa288248SMaxime Ripard unsigned long rate) 1117aa288248SMaxime Ripard { 1118aa288248SMaxime Ripard const struct ov5640_mode_info *mode = sensor->current_mode; 1119aa288248SMaxime Ripard u8 prediv, mult, sysdiv; 1120aa288248SMaxime Ripard u8 mipi_div; 1121aa288248SMaxime Ripard int ret; 1122aa288248SMaxime Ripard 1123aa288248SMaxime Ripard /* 1124aa288248SMaxime Ripard * 1280x720 is reported to use 'SUBSAMPLING' only, 1125aa288248SMaxime Ripard * but according to the sensor manual it goes through the 1126aa288248SMaxime Ripard * scaler before subsampling. 1127aa288248SMaxime Ripard */ 1128aa288248SMaxime Ripard if (mode->dn_mode == SCALING || 1129aa288248SMaxime Ripard (mode->id == OV5640_MODE_720P_1280_720)) 1130aa288248SMaxime Ripard mipi_div = OV5640_MIPI_DIV_SCLK; 1131aa288248SMaxime Ripard else 1132aa288248SMaxime Ripard mipi_div = OV5640_MIPI_DIV_PCLK; 1133aa288248SMaxime Ripard 1134aa288248SMaxime Ripard ov5640_calc_sys_clk(sensor, rate, &prediv, &mult, &sysdiv); 1135aa288248SMaxime Ripard 1136aa288248SMaxime Ripard ret = ov5640_mod_reg(sensor, OV5640_REG_SC_PLL_CTRL0, 1137aa288248SMaxime Ripard 0x0f, OV5640_PLL_CTRL0_MIPI_MODE_8BIT); 1138aa288248SMaxime Ripard 1139aa288248SMaxime Ripard ret = ov5640_mod_reg(sensor, OV5640_REG_SC_PLL_CTRL1, 1140aa288248SMaxime Ripard 0xff, sysdiv << 4 | mipi_div); 1141aa288248SMaxime Ripard if (ret) 1142aa288248SMaxime Ripard return ret; 1143aa288248SMaxime Ripard 1144aa288248SMaxime Ripard ret = ov5640_mod_reg(sensor, OV5640_REG_SC_PLL_CTRL2, 0xff, mult); 1145aa288248SMaxime Ripard if (ret) 1146aa288248SMaxime Ripard return ret; 1147aa288248SMaxime Ripard 1148aa288248SMaxime Ripard ret = ov5640_mod_reg(sensor, OV5640_REG_SC_PLL_CTRL3, 1149aa288248SMaxime Ripard 0x1f, OV5640_PLL_CTRL3_PLL_ROOT_DIV_2 | prediv); 1150aa288248SMaxime Ripard if (ret) 1151aa288248SMaxime Ripard return ret; 1152aa288248SMaxime Ripard 1153aa288248SMaxime Ripard return ov5640_mod_reg(sensor, OV5640_REG_SYS_ROOT_DIVIDER, 1154aa288248SMaxime Ripard 0x30, OV5640_PLL_SYS_ROOT_DIVIDER_BYPASS); 1155aa288248SMaxime Ripard } 1156aa288248SMaxime Ripard 1157aa288248SMaxime Ripard static unsigned long ov5640_calc_pclk(struct ov5640_dev *sensor, 1158aa288248SMaxime Ripard unsigned long rate, 1159aa288248SMaxime Ripard u8 *pll_prediv, u8 *pll_mult, u8 *sysdiv, 1160aa288248SMaxime Ripard u8 *pll_rdiv, u8 *bit_div, u8 *pclk_div) 1161aa288248SMaxime Ripard { 1162aa288248SMaxime Ripard unsigned long _rate = rate * OV5640_PLL_ROOT_DIV * OV5640_BIT_DIV * 1163aa288248SMaxime Ripard OV5640_PCLK_ROOT_DIV; 1164aa288248SMaxime Ripard 1165aa288248SMaxime Ripard _rate = ov5640_calc_sys_clk(sensor, _rate, pll_prediv, pll_mult, 1166aa288248SMaxime Ripard sysdiv); 1167aa288248SMaxime Ripard *pll_rdiv = OV5640_PLL_ROOT_DIV; 1168aa288248SMaxime Ripard *bit_div = OV5640_BIT_DIV; 1169aa288248SMaxime Ripard *pclk_div = OV5640_PCLK_ROOT_DIV; 1170aa288248SMaxime Ripard 1171aa288248SMaxime Ripard return _rate / *pll_rdiv / *bit_div / *pclk_div; 1172aa288248SMaxime Ripard } 1173aa288248SMaxime Ripard 1174aa288248SMaxime Ripard static int ov5640_set_dvp_pclk(struct ov5640_dev *sensor, unsigned long rate) 1175aa288248SMaxime Ripard { 1176aa288248SMaxime Ripard u8 prediv, mult, sysdiv, pll_rdiv, bit_div, pclk_div; 1177aa288248SMaxime Ripard int ret; 1178aa288248SMaxime Ripard 1179aa288248SMaxime Ripard ov5640_calc_pclk(sensor, rate, &prediv, &mult, &sysdiv, &pll_rdiv, 1180aa288248SMaxime Ripard &bit_div, &pclk_div); 1181aa288248SMaxime Ripard 1182aa288248SMaxime Ripard if (bit_div == 2) 1183aa288248SMaxime Ripard bit_div = 8; 1184aa288248SMaxime Ripard 1185aa288248SMaxime Ripard ret = ov5640_mod_reg(sensor, OV5640_REG_SC_PLL_CTRL0, 1186aa288248SMaxime Ripard 0x0f, bit_div); 1187aa288248SMaxime Ripard if (ret) 1188aa288248SMaxime Ripard return ret; 1189aa288248SMaxime Ripard 1190aa288248SMaxime Ripard /* 1191aa288248SMaxime Ripard * We need to set sysdiv according to the clock, and to clear 1192aa288248SMaxime Ripard * the MIPI divider. 1193aa288248SMaxime Ripard */ 1194aa288248SMaxime Ripard ret = ov5640_mod_reg(sensor, OV5640_REG_SC_PLL_CTRL1, 1195aa288248SMaxime Ripard 0xff, sysdiv << 4); 1196aa288248SMaxime Ripard if (ret) 1197aa288248SMaxime Ripard return ret; 1198aa288248SMaxime Ripard 1199aa288248SMaxime Ripard ret = ov5640_mod_reg(sensor, OV5640_REG_SC_PLL_CTRL2, 1200aa288248SMaxime Ripard 0xff, mult); 1201aa288248SMaxime Ripard if (ret) 1202aa288248SMaxime Ripard return ret; 1203aa288248SMaxime Ripard 1204aa288248SMaxime Ripard ret = ov5640_mod_reg(sensor, OV5640_REG_SC_PLL_CTRL3, 1205aa288248SMaxime Ripard 0x1f, prediv | ((pll_rdiv - 1) << 4)); 1206aa288248SMaxime Ripard if (ret) 1207aa288248SMaxime Ripard return ret; 1208aa288248SMaxime Ripard 1209aa288248SMaxime Ripard return ov5640_mod_reg(sensor, OV5640_REG_SYS_ROOT_DIVIDER, 0x30, 1210aa288248SMaxime Ripard (ilog2(pclk_div) << 4)); 1211aa288248SMaxime Ripard } 1212aa288248SMaxime Ripard 12137cb013b1SChen-Yu Tsai /* set JPEG framing sizes */ 12147cb013b1SChen-Yu Tsai static int ov5640_set_jpeg_timings(struct ov5640_dev *sensor, 12157cb013b1SChen-Yu Tsai const struct ov5640_mode_info *mode) 12167cb013b1SChen-Yu Tsai { 12177cb013b1SChen-Yu Tsai int ret; 12187cb013b1SChen-Yu Tsai 12192b5c18f9SChen-Yu Tsai /* 12202b5c18f9SChen-Yu Tsai * compression mode 3 timing 12212b5c18f9SChen-Yu Tsai * 12222b5c18f9SChen-Yu Tsai * Data is transmitted with programmable width (VFIFO_HSIZE). 12232b5c18f9SChen-Yu Tsai * No padding done. Last line may have less data. Varying 12242b5c18f9SChen-Yu Tsai * number of lines per frame, depending on amount of data. 12252b5c18f9SChen-Yu Tsai */ 12262b5c18f9SChen-Yu Tsai ret = ov5640_mod_reg(sensor, OV5640_REG_JPG_MODE_SELECT, 0x7, 0x3); 12272b5c18f9SChen-Yu Tsai if (ret < 0) 12282b5c18f9SChen-Yu Tsai return ret; 12292b5c18f9SChen-Yu Tsai 12307cb013b1SChen-Yu Tsai ret = ov5640_write_reg16(sensor, OV5640_REG_VFIFO_HSIZE, mode->hact); 12317cb013b1SChen-Yu Tsai if (ret < 0) 12327cb013b1SChen-Yu Tsai return ret; 12337cb013b1SChen-Yu Tsai 12347cb013b1SChen-Yu Tsai return ov5640_write_reg16(sensor, OV5640_REG_VFIFO_VSIZE, mode->vact); 12357cb013b1SChen-Yu Tsai } 12367cb013b1SChen-Yu Tsai 123719a81c14SSteve Longerbeam /* download ov5640 settings to sensor through i2c */ 1238bad1774eSJacopo Mondi static int ov5640_set_timings(struct ov5640_dev *sensor, 1239bad1774eSJacopo Mondi const struct ov5640_mode_info *mode) 1240bad1774eSJacopo Mondi { 1241bad1774eSJacopo Mondi int ret; 1242bad1774eSJacopo Mondi 12437cb013b1SChen-Yu Tsai if (sensor->fmt.code == MEDIA_BUS_FMT_JPEG_1X8) { 12447cb013b1SChen-Yu Tsai ret = ov5640_set_jpeg_timings(sensor, mode); 12457cb013b1SChen-Yu Tsai if (ret < 0) 12467cb013b1SChen-Yu Tsai return ret; 12477cb013b1SChen-Yu Tsai } 12487cb013b1SChen-Yu Tsai 1249bad1774eSJacopo Mondi ret = ov5640_write_reg16(sensor, OV5640_REG_TIMING_DVPHO, mode->hact); 1250bad1774eSJacopo Mondi if (ret < 0) 1251bad1774eSJacopo Mondi return ret; 1252bad1774eSJacopo Mondi 1253bad1774eSJacopo Mondi ret = ov5640_write_reg16(sensor, OV5640_REG_TIMING_DVPVO, mode->vact); 1254bad1774eSJacopo Mondi if (ret < 0) 1255bad1774eSJacopo Mondi return ret; 1256bad1774eSJacopo Mondi 1257bad1774eSJacopo Mondi ret = ov5640_write_reg16(sensor, OV5640_REG_TIMING_HTS, mode->htot); 1258bad1774eSJacopo Mondi if (ret < 0) 1259bad1774eSJacopo Mondi return ret; 1260bad1774eSJacopo Mondi 1261bad1774eSJacopo Mondi return ov5640_write_reg16(sensor, OV5640_REG_TIMING_VTS, mode->vtot); 1262bad1774eSJacopo Mondi } 1263bad1774eSJacopo Mondi 126419a81c14SSteve Longerbeam static int ov5640_load_regs(struct ov5640_dev *sensor, 126519a81c14SSteve Longerbeam const struct ov5640_mode_info *mode) 126619a81c14SSteve Longerbeam { 126719a81c14SSteve Longerbeam const struct reg_value *regs = mode->reg_data; 126819a81c14SSteve Longerbeam unsigned int i; 126919a81c14SSteve Longerbeam u32 delay_ms; 127019a81c14SSteve Longerbeam u16 reg_addr; 127119a81c14SSteve Longerbeam u8 mask, val; 127219a81c14SSteve Longerbeam int ret = 0; 127319a81c14SSteve Longerbeam 127419a81c14SSteve Longerbeam for (i = 0; i < mode->reg_data_size; ++i, ++regs) { 127519a81c14SSteve Longerbeam delay_ms = regs->delay_ms; 127619a81c14SSteve Longerbeam reg_addr = regs->reg_addr; 127719a81c14SSteve Longerbeam val = regs->val; 127819a81c14SSteve Longerbeam mask = regs->mask; 127919a81c14SSteve Longerbeam 12803b987d70SLad Prabhakar /* remain in power down mode for DVP */ 12813b987d70SLad Prabhakar if (regs->reg_addr == OV5640_REG_SYS_CTRL0 && 12823b987d70SLad Prabhakar val == OV5640_REG_SYS_CTRL0_SW_PWUP && 12838e823f5cSJacopo Mondi !ov5640_is_csi2(sensor)) 12843b987d70SLad Prabhakar continue; 12853b987d70SLad Prabhakar 128619a81c14SSteve Longerbeam if (mask) 128719a81c14SSteve Longerbeam ret = ov5640_mod_reg(sensor, reg_addr, mask, val); 128819a81c14SSteve Longerbeam else 128919a81c14SSteve Longerbeam ret = ov5640_write_reg(sensor, reg_addr, val); 129019a81c14SSteve Longerbeam if (ret) 129119a81c14SSteve Longerbeam break; 129219a81c14SSteve Longerbeam 129319a81c14SSteve Longerbeam if (delay_ms) 129419a81c14SSteve Longerbeam usleep_range(1000 * delay_ms, 1000 * delay_ms + 100); 129519a81c14SSteve Longerbeam } 129619a81c14SSteve Longerbeam 1297bad1774eSJacopo Mondi return ov5640_set_timings(sensor, mode); 129819a81c14SSteve Longerbeam } 129919a81c14SSteve Longerbeam 1300dc29a1c1SHugues Fruchet static int ov5640_set_autoexposure(struct ov5640_dev *sensor, bool on) 1301dc29a1c1SHugues Fruchet { 1302dc29a1c1SHugues Fruchet return ov5640_mod_reg(sensor, OV5640_REG_AEC_PK_MANUAL, 1303dc29a1c1SHugues Fruchet BIT(0), on ? 0 : BIT(0)); 1304dc29a1c1SHugues Fruchet } 1305dc29a1c1SHugues Fruchet 130619a81c14SSteve Longerbeam /* read exposure, in number of line periods */ 130719a81c14SSteve Longerbeam static int ov5640_get_exposure(struct ov5640_dev *sensor) 130819a81c14SSteve Longerbeam { 130919a81c14SSteve Longerbeam int exp, ret; 131019a81c14SSteve Longerbeam u8 temp; 131119a81c14SSteve Longerbeam 131219a81c14SSteve Longerbeam ret = ov5640_read_reg(sensor, OV5640_REG_AEC_PK_EXPOSURE_HI, &temp); 131319a81c14SSteve Longerbeam if (ret) 131419a81c14SSteve Longerbeam return ret; 131519a81c14SSteve Longerbeam exp = ((int)temp & 0x0f) << 16; 131619a81c14SSteve Longerbeam ret = ov5640_read_reg(sensor, OV5640_REG_AEC_PK_EXPOSURE_MED, &temp); 131719a81c14SSteve Longerbeam if (ret) 131819a81c14SSteve Longerbeam return ret; 131919a81c14SSteve Longerbeam exp |= ((int)temp << 8); 132019a81c14SSteve Longerbeam ret = ov5640_read_reg(sensor, OV5640_REG_AEC_PK_EXPOSURE_LO, &temp); 132119a81c14SSteve Longerbeam if (ret) 132219a81c14SSteve Longerbeam return ret; 132319a81c14SSteve Longerbeam exp |= (int)temp; 132419a81c14SSteve Longerbeam 132519a81c14SSteve Longerbeam return exp >> 4; 132619a81c14SSteve Longerbeam } 132719a81c14SSteve Longerbeam 132819a81c14SSteve Longerbeam /* write exposure, given number of line periods */ 132919a81c14SSteve Longerbeam static int ov5640_set_exposure(struct ov5640_dev *sensor, u32 exposure) 133019a81c14SSteve Longerbeam { 133119a81c14SSteve Longerbeam int ret; 133219a81c14SSteve Longerbeam 133319a81c14SSteve Longerbeam exposure <<= 4; 133419a81c14SSteve Longerbeam 133519a81c14SSteve Longerbeam ret = ov5640_write_reg(sensor, 133619a81c14SSteve Longerbeam OV5640_REG_AEC_PK_EXPOSURE_LO, 133719a81c14SSteve Longerbeam exposure & 0xff); 133819a81c14SSteve Longerbeam if (ret) 133919a81c14SSteve Longerbeam return ret; 134019a81c14SSteve Longerbeam ret = ov5640_write_reg(sensor, 134119a81c14SSteve Longerbeam OV5640_REG_AEC_PK_EXPOSURE_MED, 134219a81c14SSteve Longerbeam (exposure >> 8) & 0xff); 134319a81c14SSteve Longerbeam if (ret) 134419a81c14SSteve Longerbeam return ret; 134519a81c14SSteve Longerbeam return ov5640_write_reg(sensor, 134619a81c14SSteve Longerbeam OV5640_REG_AEC_PK_EXPOSURE_HI, 134719a81c14SSteve Longerbeam (exposure >> 16) & 0x0f); 134819a81c14SSteve Longerbeam } 134919a81c14SSteve Longerbeam 135019a81c14SSteve Longerbeam static int ov5640_get_gain(struct ov5640_dev *sensor) 135119a81c14SSteve Longerbeam { 135219a81c14SSteve Longerbeam u16 gain; 135319a81c14SSteve Longerbeam int ret; 135419a81c14SSteve Longerbeam 135519a81c14SSteve Longerbeam ret = ov5640_read_reg16(sensor, OV5640_REG_AEC_PK_REAL_GAIN, &gain); 135619a81c14SSteve Longerbeam if (ret) 135719a81c14SSteve Longerbeam return ret; 135819a81c14SSteve Longerbeam 135919a81c14SSteve Longerbeam return gain & 0x3ff; 136019a81c14SSteve Longerbeam } 136119a81c14SSteve Longerbeam 13623cca8ef5SHugues Fruchet static int ov5640_set_gain(struct ov5640_dev *sensor, int gain) 13633cca8ef5SHugues Fruchet { 13643cca8ef5SHugues Fruchet return ov5640_write_reg16(sensor, OV5640_REG_AEC_PK_REAL_GAIN, 13653cca8ef5SHugues Fruchet (u16)gain & 0x3ff); 13663cca8ef5SHugues Fruchet } 13673cca8ef5SHugues Fruchet 13683cca8ef5SHugues Fruchet static int ov5640_set_autogain(struct ov5640_dev *sensor, bool on) 13693cca8ef5SHugues Fruchet { 13703cca8ef5SHugues Fruchet return ov5640_mod_reg(sensor, OV5640_REG_AEC_PK_MANUAL, 13713cca8ef5SHugues Fruchet BIT(1), on ? 0 : BIT(1)); 13723cca8ef5SHugues Fruchet } 13733cca8ef5SHugues Fruchet 1374f22996dbSHugues Fruchet static int ov5640_set_stream_dvp(struct ov5640_dev *sensor, bool on) 1375f22996dbSHugues Fruchet { 13763b987d70SLad Prabhakar return ov5640_write_reg(sensor, OV5640_REG_SYS_CTRL0, on ? 13773b987d70SLad Prabhakar OV5640_REG_SYS_CTRL0_SW_PWUP : 13783b987d70SLad Prabhakar OV5640_REG_SYS_CTRL0_SW_PWDN); 1379f22996dbSHugues Fruchet } 1380f22996dbSHugues Fruchet 1381f22996dbSHugues Fruchet static int ov5640_set_stream_mipi(struct ov5640_dev *sensor, bool on) 138219a81c14SSteve Longerbeam { 138319a81c14SSteve Longerbeam int ret; 138419a81c14SSteve Longerbeam 1385aa4bb8b8SJacopo Mondi /* 1386aa4bb8b8SJacopo Mondi * Enable/disable the MIPI interface 1387aa4bb8b8SJacopo Mondi * 1388aa4bb8b8SJacopo Mondi * 0x300e = on ? 0x45 : 0x40 1389aa4bb8b8SJacopo Mondi * 1390aa4bb8b8SJacopo Mondi * FIXME: the sensor manual (version 2.03) reports 1391aa4bb8b8SJacopo Mondi * [7:5] = 000 : 1 data lane mode 1392aa4bb8b8SJacopo Mondi * [7:5] = 001 : 2 data lanes mode 1393aa4bb8b8SJacopo Mondi * But this settings do not work, while the following ones 1394aa4bb8b8SJacopo Mondi * have been validated for 2 data lanes mode. 1395aa4bb8b8SJacopo Mondi * 1396aa4bb8b8SJacopo Mondi * [7:5] = 010 : 2 data lanes mode 1397aa4bb8b8SJacopo Mondi * [4] = 0 : Power up MIPI HS Tx 1398aa4bb8b8SJacopo Mondi * [3] = 0 : Power up MIPI LS Rx 1399aa4bb8b8SJacopo Mondi * [2] = 1/0 : MIPI interface enable/disable 1400aa4bb8b8SJacopo Mondi * [1:0] = 01/00: FIXME: 'debug' 1401aa4bb8b8SJacopo Mondi */ 1402aa4bb8b8SJacopo Mondi ret = ov5640_write_reg(sensor, OV5640_REG_IO_MIPI_CTRL00, 1403aa4bb8b8SJacopo Mondi on ? 0x45 : 0x40); 140419a81c14SSteve Longerbeam if (ret) 140519a81c14SSteve Longerbeam return ret; 140619a81c14SSteve Longerbeam 140719a81c14SSteve Longerbeam return ov5640_write_reg(sensor, OV5640_REG_FRAME_CTRL01, 140819a81c14SSteve Longerbeam on ? 0x00 : 0x0f); 140919a81c14SSteve Longerbeam } 141019a81c14SSteve Longerbeam 141119a81c14SSteve Longerbeam static int ov5640_get_sysclk(struct ov5640_dev *sensor) 141219a81c14SSteve Longerbeam { 141319a81c14SSteve Longerbeam /* calculate sysclk */ 141419a81c14SSteve Longerbeam u32 xvclk = sensor->xclk_freq / 10000; 141519a81c14SSteve Longerbeam u32 multiplier, prediv, VCO, sysdiv, pll_rdiv; 141619a81c14SSteve Longerbeam u32 sclk_rdiv_map[] = {1, 2, 4, 8}; 141719a81c14SSteve Longerbeam u32 bit_div2x = 1, sclk_rdiv, sysclk; 141819a81c14SSteve Longerbeam u8 temp1, temp2; 141919a81c14SSteve Longerbeam int ret; 142019a81c14SSteve Longerbeam 142119a81c14SSteve Longerbeam ret = ov5640_read_reg(sensor, OV5640_REG_SC_PLL_CTRL0, &temp1); 142219a81c14SSteve Longerbeam if (ret) 142319a81c14SSteve Longerbeam return ret; 142419a81c14SSteve Longerbeam temp2 = temp1 & 0x0f; 142519a81c14SSteve Longerbeam if (temp2 == 8 || temp2 == 10) 142619a81c14SSteve Longerbeam bit_div2x = temp2 / 2; 142719a81c14SSteve Longerbeam 142819a81c14SSteve Longerbeam ret = ov5640_read_reg(sensor, OV5640_REG_SC_PLL_CTRL1, &temp1); 142919a81c14SSteve Longerbeam if (ret) 143019a81c14SSteve Longerbeam return ret; 143119a81c14SSteve Longerbeam sysdiv = temp1 >> 4; 143219a81c14SSteve Longerbeam if (sysdiv == 0) 143319a81c14SSteve Longerbeam sysdiv = 16; 143419a81c14SSteve Longerbeam 143519a81c14SSteve Longerbeam ret = ov5640_read_reg(sensor, OV5640_REG_SC_PLL_CTRL2, &temp1); 143619a81c14SSteve Longerbeam if (ret) 143719a81c14SSteve Longerbeam return ret; 143819a81c14SSteve Longerbeam multiplier = temp1; 143919a81c14SSteve Longerbeam 144019a81c14SSteve Longerbeam ret = ov5640_read_reg(sensor, OV5640_REG_SC_PLL_CTRL3, &temp1); 144119a81c14SSteve Longerbeam if (ret) 144219a81c14SSteve Longerbeam return ret; 144319a81c14SSteve Longerbeam prediv = temp1 & 0x0f; 144419a81c14SSteve Longerbeam pll_rdiv = ((temp1 >> 4) & 0x01) + 1; 144519a81c14SSteve Longerbeam 144619a81c14SSteve Longerbeam ret = ov5640_read_reg(sensor, OV5640_REG_SYS_ROOT_DIVIDER, &temp1); 144719a81c14SSteve Longerbeam if (ret) 144819a81c14SSteve Longerbeam return ret; 144919a81c14SSteve Longerbeam temp2 = temp1 & 0x03; 145019a81c14SSteve Longerbeam sclk_rdiv = sclk_rdiv_map[temp2]; 145119a81c14SSteve Longerbeam 145219a81c14SSteve Longerbeam if (!prediv || !sysdiv || !pll_rdiv || !bit_div2x) 145319a81c14SSteve Longerbeam return -EINVAL; 145419a81c14SSteve Longerbeam 145519a81c14SSteve Longerbeam VCO = xvclk * multiplier / prediv; 145619a81c14SSteve Longerbeam 145719a81c14SSteve Longerbeam sysclk = VCO / sysdiv / pll_rdiv * 2 / bit_div2x / sclk_rdiv; 145819a81c14SSteve Longerbeam 145919a81c14SSteve Longerbeam return sysclk; 146019a81c14SSteve Longerbeam } 146119a81c14SSteve Longerbeam 146219a81c14SSteve Longerbeam static int ov5640_set_night_mode(struct ov5640_dev *sensor) 146319a81c14SSteve Longerbeam { 146419a81c14SSteve Longerbeam /* read HTS from register settings */ 146519a81c14SSteve Longerbeam u8 mode; 146619a81c14SSteve Longerbeam int ret; 146719a81c14SSteve Longerbeam 146819a81c14SSteve Longerbeam ret = ov5640_read_reg(sensor, OV5640_REG_AEC_CTRL00, &mode); 146919a81c14SSteve Longerbeam if (ret) 147019a81c14SSteve Longerbeam return ret; 147119a81c14SSteve Longerbeam mode &= 0xfb; 147219a81c14SSteve Longerbeam return ov5640_write_reg(sensor, OV5640_REG_AEC_CTRL00, mode); 147319a81c14SSteve Longerbeam } 147419a81c14SSteve Longerbeam 147519a81c14SSteve Longerbeam static int ov5640_get_hts(struct ov5640_dev *sensor) 147619a81c14SSteve Longerbeam { 147719a81c14SSteve Longerbeam /* read HTS from register settings */ 147819a81c14SSteve Longerbeam u16 hts; 147919a81c14SSteve Longerbeam int ret; 148019a81c14SSteve Longerbeam 148119a81c14SSteve Longerbeam ret = ov5640_read_reg16(sensor, OV5640_REG_TIMING_HTS, &hts); 148219a81c14SSteve Longerbeam if (ret) 148319a81c14SSteve Longerbeam return ret; 148419a81c14SSteve Longerbeam return hts; 148519a81c14SSteve Longerbeam } 148619a81c14SSteve Longerbeam 148719a81c14SSteve Longerbeam static int ov5640_get_vts(struct ov5640_dev *sensor) 148819a81c14SSteve Longerbeam { 148919a81c14SSteve Longerbeam u16 vts; 149019a81c14SSteve Longerbeam int ret; 149119a81c14SSteve Longerbeam 149219a81c14SSteve Longerbeam ret = ov5640_read_reg16(sensor, OV5640_REG_TIMING_VTS, &vts); 149319a81c14SSteve Longerbeam if (ret) 149419a81c14SSteve Longerbeam return ret; 149519a81c14SSteve Longerbeam return vts; 149619a81c14SSteve Longerbeam } 149719a81c14SSteve Longerbeam 149819a81c14SSteve Longerbeam static int ov5640_set_vts(struct ov5640_dev *sensor, int vts) 149919a81c14SSteve Longerbeam { 150019a81c14SSteve Longerbeam return ov5640_write_reg16(sensor, OV5640_REG_TIMING_VTS, vts); 150119a81c14SSteve Longerbeam } 150219a81c14SSteve Longerbeam 150319a81c14SSteve Longerbeam static int ov5640_get_light_freq(struct ov5640_dev *sensor) 150419a81c14SSteve Longerbeam { 150519a81c14SSteve Longerbeam /* get banding filter value */ 150619a81c14SSteve Longerbeam int ret, light_freq = 0; 150719a81c14SSteve Longerbeam u8 temp, temp1; 150819a81c14SSteve Longerbeam 150919a81c14SSteve Longerbeam ret = ov5640_read_reg(sensor, OV5640_REG_HZ5060_CTRL01, &temp); 151019a81c14SSteve Longerbeam if (ret) 151119a81c14SSteve Longerbeam return ret; 151219a81c14SSteve Longerbeam 151319a81c14SSteve Longerbeam if (temp & 0x80) { 151419a81c14SSteve Longerbeam /* manual */ 151519a81c14SSteve Longerbeam ret = ov5640_read_reg(sensor, OV5640_REG_HZ5060_CTRL00, 151619a81c14SSteve Longerbeam &temp1); 151719a81c14SSteve Longerbeam if (ret) 151819a81c14SSteve Longerbeam return ret; 151919a81c14SSteve Longerbeam if (temp1 & 0x04) { 152019a81c14SSteve Longerbeam /* 50Hz */ 152119a81c14SSteve Longerbeam light_freq = 50; 152219a81c14SSteve Longerbeam } else { 152319a81c14SSteve Longerbeam /* 60Hz */ 152419a81c14SSteve Longerbeam light_freq = 60; 152519a81c14SSteve Longerbeam } 152619a81c14SSteve Longerbeam } else { 152719a81c14SSteve Longerbeam /* auto */ 152819a81c14SSteve Longerbeam ret = ov5640_read_reg(sensor, OV5640_REG_SIGMADELTA_CTRL0C, 152919a81c14SSteve Longerbeam &temp1); 153019a81c14SSteve Longerbeam if (ret) 153119a81c14SSteve Longerbeam return ret; 153219a81c14SSteve Longerbeam 153319a81c14SSteve Longerbeam if (temp1 & 0x01) { 153419a81c14SSteve Longerbeam /* 50Hz */ 153519a81c14SSteve Longerbeam light_freq = 50; 153619a81c14SSteve Longerbeam } else { 153719a81c14SSteve Longerbeam /* 60Hz */ 153819a81c14SSteve Longerbeam } 153919a81c14SSteve Longerbeam } 154019a81c14SSteve Longerbeam 154119a81c14SSteve Longerbeam return light_freq; 154219a81c14SSteve Longerbeam } 154319a81c14SSteve Longerbeam 154419a81c14SSteve Longerbeam static int ov5640_set_bandingfilter(struct ov5640_dev *sensor) 154519a81c14SSteve Longerbeam { 154619a81c14SSteve Longerbeam u32 band_step60, max_band60, band_step50, max_band50, prev_vts; 154719a81c14SSteve Longerbeam int ret; 154819a81c14SSteve Longerbeam 154919a81c14SSteve Longerbeam /* read preview PCLK */ 155019a81c14SSteve Longerbeam ret = ov5640_get_sysclk(sensor); 155119a81c14SSteve Longerbeam if (ret < 0) 155219a81c14SSteve Longerbeam return ret; 155319a81c14SSteve Longerbeam if (ret == 0) 155419a81c14SSteve Longerbeam return -EINVAL; 155519a81c14SSteve Longerbeam sensor->prev_sysclk = ret; 155619a81c14SSteve Longerbeam /* read preview HTS */ 155719a81c14SSteve Longerbeam ret = ov5640_get_hts(sensor); 155819a81c14SSteve Longerbeam if (ret < 0) 155919a81c14SSteve Longerbeam return ret; 156019a81c14SSteve Longerbeam if (ret == 0) 156119a81c14SSteve Longerbeam return -EINVAL; 156219a81c14SSteve Longerbeam sensor->prev_hts = ret; 156319a81c14SSteve Longerbeam 156419a81c14SSteve Longerbeam /* read preview VTS */ 156519a81c14SSteve Longerbeam ret = ov5640_get_vts(sensor); 156619a81c14SSteve Longerbeam if (ret < 0) 156719a81c14SSteve Longerbeam return ret; 156819a81c14SSteve Longerbeam prev_vts = ret; 156919a81c14SSteve Longerbeam 157019a81c14SSteve Longerbeam /* calculate banding filter */ 157119a81c14SSteve Longerbeam /* 60Hz */ 157219a81c14SSteve Longerbeam band_step60 = sensor->prev_sysclk * 100 / sensor->prev_hts * 100 / 120; 157319a81c14SSteve Longerbeam ret = ov5640_write_reg16(sensor, OV5640_REG_AEC_B60_STEP, band_step60); 157419a81c14SSteve Longerbeam if (ret) 157519a81c14SSteve Longerbeam return ret; 157619a81c14SSteve Longerbeam if (!band_step60) 157719a81c14SSteve Longerbeam return -EINVAL; 157819a81c14SSteve Longerbeam max_band60 = (int)((prev_vts - 4) / band_step60); 157919a81c14SSteve Longerbeam ret = ov5640_write_reg(sensor, OV5640_REG_AEC_CTRL0D, max_band60); 158019a81c14SSteve Longerbeam if (ret) 158119a81c14SSteve Longerbeam return ret; 158219a81c14SSteve Longerbeam 158319a81c14SSteve Longerbeam /* 50Hz */ 158419a81c14SSteve Longerbeam band_step50 = sensor->prev_sysclk * 100 / sensor->prev_hts; 158519a81c14SSteve Longerbeam ret = ov5640_write_reg16(sensor, OV5640_REG_AEC_B50_STEP, band_step50); 158619a81c14SSteve Longerbeam if (ret) 158719a81c14SSteve Longerbeam return ret; 158819a81c14SSteve Longerbeam if (!band_step50) 158919a81c14SSteve Longerbeam return -EINVAL; 159019a81c14SSteve Longerbeam max_band50 = (int)((prev_vts - 4) / band_step50); 159119a81c14SSteve Longerbeam return ov5640_write_reg(sensor, OV5640_REG_AEC_CTRL0E, max_band50); 159219a81c14SSteve Longerbeam } 159319a81c14SSteve Longerbeam 159419a81c14SSteve Longerbeam static int ov5640_set_ae_target(struct ov5640_dev *sensor, int target) 159519a81c14SSteve Longerbeam { 159619a81c14SSteve Longerbeam /* stable in high */ 159719a81c14SSteve Longerbeam u32 fast_high, fast_low; 159819a81c14SSteve Longerbeam int ret; 159919a81c14SSteve Longerbeam 160019a81c14SSteve Longerbeam sensor->ae_low = target * 23 / 25; /* 0.92 */ 160119a81c14SSteve Longerbeam sensor->ae_high = target * 27 / 25; /* 1.08 */ 160219a81c14SSteve Longerbeam 160319a81c14SSteve Longerbeam fast_high = sensor->ae_high << 1; 160419a81c14SSteve Longerbeam if (fast_high > 255) 160519a81c14SSteve Longerbeam fast_high = 255; 160619a81c14SSteve Longerbeam 160719a81c14SSteve Longerbeam fast_low = sensor->ae_low >> 1; 160819a81c14SSteve Longerbeam 160919a81c14SSteve Longerbeam ret = ov5640_write_reg(sensor, OV5640_REG_AEC_CTRL0F, sensor->ae_high); 161019a81c14SSteve Longerbeam if (ret) 161119a81c14SSteve Longerbeam return ret; 161219a81c14SSteve Longerbeam ret = ov5640_write_reg(sensor, OV5640_REG_AEC_CTRL10, sensor->ae_low); 161319a81c14SSteve Longerbeam if (ret) 161419a81c14SSteve Longerbeam return ret; 161519a81c14SSteve Longerbeam ret = ov5640_write_reg(sensor, OV5640_REG_AEC_CTRL1B, sensor->ae_high); 161619a81c14SSteve Longerbeam if (ret) 161719a81c14SSteve Longerbeam return ret; 161819a81c14SSteve Longerbeam ret = ov5640_write_reg(sensor, OV5640_REG_AEC_CTRL1E, sensor->ae_low); 161919a81c14SSteve Longerbeam if (ret) 162019a81c14SSteve Longerbeam return ret; 162119a81c14SSteve Longerbeam ret = ov5640_write_reg(sensor, OV5640_REG_AEC_CTRL11, fast_high); 162219a81c14SSteve Longerbeam if (ret) 162319a81c14SSteve Longerbeam return ret; 162419a81c14SSteve Longerbeam return ov5640_write_reg(sensor, OV5640_REG_AEC_CTRL1F, fast_low); 162519a81c14SSteve Longerbeam } 162619a81c14SSteve Longerbeam 1627c2c3f42dSHugues Fruchet static int ov5640_get_binning(struct ov5640_dev *sensor) 162819a81c14SSteve Longerbeam { 162919a81c14SSteve Longerbeam u8 temp; 163019a81c14SSteve Longerbeam int ret; 163119a81c14SSteve Longerbeam 163219a81c14SSteve Longerbeam ret = ov5640_read_reg(sensor, OV5640_REG_TIMING_TC_REG21, &temp); 163319a81c14SSteve Longerbeam if (ret) 163419a81c14SSteve Longerbeam return ret; 1635c2c3f42dSHugues Fruchet 1636c2c3f42dSHugues Fruchet return temp & BIT(0); 163719a81c14SSteve Longerbeam } 163819a81c14SSteve Longerbeam 1639ce85705aSHugues Fruchet static int ov5640_set_binning(struct ov5640_dev *sensor, bool enable) 1640ce85705aSHugues Fruchet { 1641ce85705aSHugues Fruchet int ret; 1642ce85705aSHugues Fruchet 1643ce85705aSHugues Fruchet /* 1644ce85705aSHugues Fruchet * TIMING TC REG21: 1645ce85705aSHugues Fruchet * - [0]: Horizontal binning enable 1646ce85705aSHugues Fruchet */ 1647ce85705aSHugues Fruchet ret = ov5640_mod_reg(sensor, OV5640_REG_TIMING_TC_REG21, 1648ce85705aSHugues Fruchet BIT(0), enable ? BIT(0) : 0); 1649ce85705aSHugues Fruchet if (ret) 1650ce85705aSHugues Fruchet return ret; 1651ce85705aSHugues Fruchet /* 1652ce85705aSHugues Fruchet * TIMING TC REG20: 1653ce85705aSHugues Fruchet * - [0]: Undocumented, but hardcoded init sequences 1654ce85705aSHugues Fruchet * are always setting REG21/REG20 bit 0 to same value... 1655ce85705aSHugues Fruchet */ 1656ce85705aSHugues Fruchet return ov5640_mod_reg(sensor, OV5640_REG_TIMING_TC_REG20, 1657ce85705aSHugues Fruchet BIT(0), enable ? BIT(0) : 0); 1658ce85705aSHugues Fruchet } 1659ce85705aSHugues Fruchet 166019a81c14SSteve Longerbeam static int ov5640_set_virtual_channel(struct ov5640_dev *sensor) 166119a81c14SSteve Longerbeam { 16628670d70aSHugues Fruchet struct i2c_client *client = sensor->i2c_client; 166319a81c14SSteve Longerbeam u8 temp, channel = virtual_channel; 166419a81c14SSteve Longerbeam int ret; 166519a81c14SSteve Longerbeam 16668670d70aSHugues Fruchet if (channel > 3) { 16678670d70aSHugues Fruchet dev_err(&client->dev, 16688670d70aSHugues Fruchet "%s: wrong virtual_channel parameter, expected (0..3), got %d\n", 16698670d70aSHugues Fruchet __func__, channel); 167019a81c14SSteve Longerbeam return -EINVAL; 16718670d70aSHugues Fruchet } 167219a81c14SSteve Longerbeam 167319a81c14SSteve Longerbeam ret = ov5640_read_reg(sensor, OV5640_REG_DEBUG_MODE, &temp); 167419a81c14SSteve Longerbeam if (ret) 167519a81c14SSteve Longerbeam return ret; 167619a81c14SSteve Longerbeam temp &= ~(3 << 6); 167719a81c14SSteve Longerbeam temp |= (channel << 6); 167819a81c14SSteve Longerbeam return ov5640_write_reg(sensor, OV5640_REG_DEBUG_MODE, temp); 167919a81c14SSteve Longerbeam } 168019a81c14SSteve Longerbeam 168119a81c14SSteve Longerbeam static const struct ov5640_mode_info * 168219a81c14SSteve Longerbeam ov5640_find_mode(struct ov5640_dev *sensor, enum ov5640_frame_rate fr, 168319a81c14SSteve Longerbeam int width, int height, bool nearest) 168419a81c14SSteve Longerbeam { 16853c4a7372SHugues Fruchet const struct ov5640_mode_info *mode; 168619a81c14SSteve Longerbeam 1687086c25f8SMaxime Ripard mode = v4l2_find_nearest_size(ov5640_mode_data, 1688086c25f8SMaxime Ripard ARRAY_SIZE(ov5640_mode_data), 16893c4a7372SHugues Fruchet hact, vact, 16903c4a7372SHugues Fruchet width, height); 169119a81c14SSteve Longerbeam 16923c4a7372SHugues Fruchet if (!mode || 16933c4a7372SHugues Fruchet (!nearest && (mode->hact != width || mode->vact != height))) 16943c4a7372SHugues Fruchet return NULL; 169519a81c14SSteve Longerbeam 16965554c80eSAdam Ford /* Check to see if the current mode exceeds the max frame rate */ 16975554c80eSAdam Ford if (ov5640_framerates[fr] > ov5640_framerates[mode->max_fps]) 1698981e4454SBenoit Parrot return NULL; 1699981e4454SBenoit Parrot 170019a81c14SSteve Longerbeam return mode; 170119a81c14SSteve Longerbeam } 170219a81c14SSteve Longerbeam 1703cc196e48SBenoit Parrot static u64 ov5640_calc_pixel_rate(struct ov5640_dev *sensor) 1704cc196e48SBenoit Parrot { 1705cc196e48SBenoit Parrot u64 rate; 1706cc196e48SBenoit Parrot 1707cc196e48SBenoit Parrot rate = sensor->current_mode->vtot * sensor->current_mode->htot; 1708cc196e48SBenoit Parrot rate *= ov5640_framerates[sensor->current_fr]; 1709cc196e48SBenoit Parrot 1710cc196e48SBenoit Parrot return rate; 1711cc196e48SBenoit Parrot } 1712cc196e48SBenoit Parrot 171319a81c14SSteve Longerbeam /* 171419a81c14SSteve Longerbeam * sensor changes between scaling and subsampling, go through 171519a81c14SSteve Longerbeam * exposure calculation 171619a81c14SSteve Longerbeam */ 171741d8d7f5SHugues Fruchet static int ov5640_set_mode_exposure_calc(struct ov5640_dev *sensor, 171841d8d7f5SHugues Fruchet const struct ov5640_mode_info *mode) 171919a81c14SSteve Longerbeam { 172019a81c14SSteve Longerbeam u32 prev_shutter, prev_gain16; 172119a81c14SSteve Longerbeam u32 cap_shutter, cap_gain16; 172219a81c14SSteve Longerbeam u32 cap_sysclk, cap_hts, cap_vts; 172319a81c14SSteve Longerbeam u32 light_freq, cap_bandfilt, cap_maxband; 172419a81c14SSteve Longerbeam u32 cap_gain16_shutter; 172519a81c14SSteve Longerbeam u8 average; 172619a81c14SSteve Longerbeam int ret; 172719a81c14SSteve Longerbeam 172841d8d7f5SHugues Fruchet if (!mode->reg_data) 172919a81c14SSteve Longerbeam return -EINVAL; 173019a81c14SSteve Longerbeam 173119a81c14SSteve Longerbeam /* read preview shutter */ 173219a81c14SSteve Longerbeam ret = ov5640_get_exposure(sensor); 173319a81c14SSteve Longerbeam if (ret < 0) 173419a81c14SSteve Longerbeam return ret; 173519a81c14SSteve Longerbeam prev_shutter = ret; 1736c2c3f42dSHugues Fruchet ret = ov5640_get_binning(sensor); 173719a81c14SSteve Longerbeam if (ret < 0) 173819a81c14SSteve Longerbeam return ret; 173919a81c14SSteve Longerbeam if (ret && mode->id != OV5640_MODE_720P_1280_720 && 174019a81c14SSteve Longerbeam mode->id != OV5640_MODE_1080P_1920_1080) 174119a81c14SSteve Longerbeam prev_shutter *= 2; 174219a81c14SSteve Longerbeam 174319a81c14SSteve Longerbeam /* read preview gain */ 174419a81c14SSteve Longerbeam ret = ov5640_get_gain(sensor); 174519a81c14SSteve Longerbeam if (ret < 0) 174619a81c14SSteve Longerbeam return ret; 174719a81c14SSteve Longerbeam prev_gain16 = ret; 174819a81c14SSteve Longerbeam 174919a81c14SSteve Longerbeam /* get average */ 175019a81c14SSteve Longerbeam ret = ov5640_read_reg(sensor, OV5640_REG_AVG_READOUT, &average); 175119a81c14SSteve Longerbeam if (ret) 175219a81c14SSteve Longerbeam return ret; 175319a81c14SSteve Longerbeam 175419a81c14SSteve Longerbeam /* turn off night mode for capture */ 175519a81c14SSteve Longerbeam ret = ov5640_set_night_mode(sensor); 175619a81c14SSteve Longerbeam if (ret < 0) 175719a81c14SSteve Longerbeam return ret; 175819a81c14SSteve Longerbeam 175919a81c14SSteve Longerbeam /* Write capture setting */ 176019a81c14SSteve Longerbeam ret = ov5640_load_regs(sensor, mode); 176119a81c14SSteve Longerbeam if (ret < 0) 176219a81c14SSteve Longerbeam return ret; 176319a81c14SSteve Longerbeam 176419a81c14SSteve Longerbeam /* read capture VTS */ 176519a81c14SSteve Longerbeam ret = ov5640_get_vts(sensor); 176619a81c14SSteve Longerbeam if (ret < 0) 176719a81c14SSteve Longerbeam return ret; 176819a81c14SSteve Longerbeam cap_vts = ret; 176919a81c14SSteve Longerbeam ret = ov5640_get_hts(sensor); 177019a81c14SSteve Longerbeam if (ret < 0) 177119a81c14SSteve Longerbeam return ret; 177219a81c14SSteve Longerbeam if (ret == 0) 177319a81c14SSteve Longerbeam return -EINVAL; 177419a81c14SSteve Longerbeam cap_hts = ret; 177519a81c14SSteve Longerbeam 177619a81c14SSteve Longerbeam ret = ov5640_get_sysclk(sensor); 177719a81c14SSteve Longerbeam if (ret < 0) 177819a81c14SSteve Longerbeam return ret; 177919a81c14SSteve Longerbeam if (ret == 0) 178019a81c14SSteve Longerbeam return -EINVAL; 178119a81c14SSteve Longerbeam cap_sysclk = ret; 178219a81c14SSteve Longerbeam 178319a81c14SSteve Longerbeam /* calculate capture banding filter */ 178419a81c14SSteve Longerbeam ret = ov5640_get_light_freq(sensor); 178519a81c14SSteve Longerbeam if (ret < 0) 178619a81c14SSteve Longerbeam return ret; 178719a81c14SSteve Longerbeam light_freq = ret; 178819a81c14SSteve Longerbeam 178919a81c14SSteve Longerbeam if (light_freq == 60) { 179019a81c14SSteve Longerbeam /* 60Hz */ 179119a81c14SSteve Longerbeam cap_bandfilt = cap_sysclk * 100 / cap_hts * 100 / 120; 179219a81c14SSteve Longerbeam } else { 179319a81c14SSteve Longerbeam /* 50Hz */ 179419a81c14SSteve Longerbeam cap_bandfilt = cap_sysclk * 100 / cap_hts; 179519a81c14SSteve Longerbeam } 179619a81c14SSteve Longerbeam 179719a81c14SSteve Longerbeam if (!sensor->prev_sysclk) { 179819a81c14SSteve Longerbeam ret = ov5640_get_sysclk(sensor); 179919a81c14SSteve Longerbeam if (ret < 0) 180019a81c14SSteve Longerbeam return ret; 180119a81c14SSteve Longerbeam if (ret == 0) 180219a81c14SSteve Longerbeam return -EINVAL; 180319a81c14SSteve Longerbeam sensor->prev_sysclk = ret; 180419a81c14SSteve Longerbeam } 180519a81c14SSteve Longerbeam 180619a81c14SSteve Longerbeam if (!cap_bandfilt) 180719a81c14SSteve Longerbeam return -EINVAL; 180819a81c14SSteve Longerbeam 180919a81c14SSteve Longerbeam cap_maxband = (int)((cap_vts - 4) / cap_bandfilt); 181019a81c14SSteve Longerbeam 181119a81c14SSteve Longerbeam /* calculate capture shutter/gain16 */ 181219a81c14SSteve Longerbeam if (average > sensor->ae_low && average < sensor->ae_high) { 181319a81c14SSteve Longerbeam /* in stable range */ 181419a81c14SSteve Longerbeam cap_gain16_shutter = 181519a81c14SSteve Longerbeam prev_gain16 * prev_shutter * 181619a81c14SSteve Longerbeam cap_sysclk / sensor->prev_sysclk * 181719a81c14SSteve Longerbeam sensor->prev_hts / cap_hts * 181819a81c14SSteve Longerbeam sensor->ae_target / average; 181919a81c14SSteve Longerbeam } else { 182019a81c14SSteve Longerbeam cap_gain16_shutter = 182119a81c14SSteve Longerbeam prev_gain16 * prev_shutter * 182219a81c14SSteve Longerbeam cap_sysclk / sensor->prev_sysclk * 182319a81c14SSteve Longerbeam sensor->prev_hts / cap_hts; 182419a81c14SSteve Longerbeam } 182519a81c14SSteve Longerbeam 182619a81c14SSteve Longerbeam /* gain to shutter */ 182719a81c14SSteve Longerbeam if (cap_gain16_shutter < (cap_bandfilt * 16)) { 182819a81c14SSteve Longerbeam /* shutter < 1/100 */ 182919a81c14SSteve Longerbeam cap_shutter = cap_gain16_shutter / 16; 183019a81c14SSteve Longerbeam if (cap_shutter < 1) 183119a81c14SSteve Longerbeam cap_shutter = 1; 183219a81c14SSteve Longerbeam 183319a81c14SSteve Longerbeam cap_gain16 = cap_gain16_shutter / cap_shutter; 183419a81c14SSteve Longerbeam if (cap_gain16 < 16) 183519a81c14SSteve Longerbeam cap_gain16 = 16; 183619a81c14SSteve Longerbeam } else { 183719a81c14SSteve Longerbeam if (cap_gain16_shutter > (cap_bandfilt * cap_maxband * 16)) { 183819a81c14SSteve Longerbeam /* exposure reach max */ 183919a81c14SSteve Longerbeam cap_shutter = cap_bandfilt * cap_maxband; 184019a81c14SSteve Longerbeam if (!cap_shutter) 184119a81c14SSteve Longerbeam return -EINVAL; 184219a81c14SSteve Longerbeam 184319a81c14SSteve Longerbeam cap_gain16 = cap_gain16_shutter / cap_shutter; 184419a81c14SSteve Longerbeam } else { 184519a81c14SSteve Longerbeam /* 1/100 < (cap_shutter = n/100) =< max */ 184619a81c14SSteve Longerbeam cap_shutter = 184719a81c14SSteve Longerbeam ((int)(cap_gain16_shutter / 16 / cap_bandfilt)) 184819a81c14SSteve Longerbeam * cap_bandfilt; 184919a81c14SSteve Longerbeam if (!cap_shutter) 185019a81c14SSteve Longerbeam return -EINVAL; 185119a81c14SSteve Longerbeam 185219a81c14SSteve Longerbeam cap_gain16 = cap_gain16_shutter / cap_shutter; 185319a81c14SSteve Longerbeam } 185419a81c14SSteve Longerbeam } 185519a81c14SSteve Longerbeam 185619a81c14SSteve Longerbeam /* set capture gain */ 18573cca8ef5SHugues Fruchet ret = ov5640_set_gain(sensor, cap_gain16); 185819a81c14SSteve Longerbeam if (ret) 185919a81c14SSteve Longerbeam return ret; 186019a81c14SSteve Longerbeam 186119a81c14SSteve Longerbeam /* write capture shutter */ 186219a81c14SSteve Longerbeam if (cap_shutter > (cap_vts - 4)) { 186319a81c14SSteve Longerbeam cap_vts = cap_shutter + 4; 186419a81c14SSteve Longerbeam ret = ov5640_set_vts(sensor, cap_vts); 186519a81c14SSteve Longerbeam if (ret < 0) 186619a81c14SSteve Longerbeam return ret; 186719a81c14SSteve Longerbeam } 186819a81c14SSteve Longerbeam 186919a81c14SSteve Longerbeam /* set exposure */ 18703cca8ef5SHugues Fruchet return ov5640_set_exposure(sensor, cap_shutter); 187119a81c14SSteve Longerbeam } 187219a81c14SSteve Longerbeam 187319a81c14SSteve Longerbeam /* 187419a81c14SSteve Longerbeam * if sensor changes inside scaling or subsampling 187519a81c14SSteve Longerbeam * change mode directly 187619a81c14SSteve Longerbeam */ 187719a81c14SSteve Longerbeam static int ov5640_set_mode_direct(struct ov5640_dev *sensor, 18783cca8ef5SHugues Fruchet const struct ov5640_mode_info *mode) 187919a81c14SSteve Longerbeam { 188041d8d7f5SHugues Fruchet if (!mode->reg_data) 188119a81c14SSteve Longerbeam return -EINVAL; 188219a81c14SSteve Longerbeam 188319a81c14SSteve Longerbeam /* Write capture setting */ 18843cca8ef5SHugues Fruchet return ov5640_load_regs(sensor, mode); 188519a81c14SSteve Longerbeam } 188619a81c14SSteve Longerbeam 1887985cdcb0SHugues Fruchet static int ov5640_set_mode(struct ov5640_dev *sensor) 188819a81c14SSteve Longerbeam { 188919a81c14SSteve Longerbeam const struct ov5640_mode_info *mode = sensor->current_mode; 1890985cdcb0SHugues Fruchet const struct ov5640_mode_info *orig_mode = sensor->last_mode; 189119a81c14SSteve Longerbeam enum ov5640_downsize_mode dn_mode, orig_dn_mode; 18923cca8ef5SHugues Fruchet bool auto_gain = sensor->ctrls.auto_gain->val == 1; 1893dc29a1c1SHugues Fruchet bool auto_exp = sensor->ctrls.auto_exp->val == V4L2_EXPOSURE_AUTO; 1894aa288248SMaxime Ripard unsigned long rate; 189519a81c14SSteve Longerbeam int ret; 189619a81c14SSteve Longerbeam 189719a81c14SSteve Longerbeam dn_mode = mode->dn_mode; 189819a81c14SSteve Longerbeam orig_dn_mode = orig_mode->dn_mode; 189919a81c14SSteve Longerbeam 190019a81c14SSteve Longerbeam /* auto gain and exposure must be turned off when changing modes */ 19013cca8ef5SHugues Fruchet if (auto_gain) { 19023cca8ef5SHugues Fruchet ret = ov5640_set_autogain(sensor, false); 190319a81c14SSteve Longerbeam if (ret) 190419a81c14SSteve Longerbeam return ret; 19053cca8ef5SHugues Fruchet } 1906bf4a4b51SMaxime Ripard 19073cca8ef5SHugues Fruchet if (auto_exp) { 1908dc29a1c1SHugues Fruchet ret = ov5640_set_autoexposure(sensor, false); 190919a81c14SSteve Longerbeam if (ret) 19103cca8ef5SHugues Fruchet goto restore_auto_gain; 19113cca8ef5SHugues Fruchet } 191219a81c14SSteve Longerbeam 1913aa288248SMaxime Ripard /* 1914aa288248SMaxime Ripard * All the formats we support have 16 bits per pixel, seems to require 1915aa288248SMaxime Ripard * the same rate than YUV, so we can just use 16 bpp all the time. 1916aa288248SMaxime Ripard */ 1917cc196e48SBenoit Parrot rate = ov5640_calc_pixel_rate(sensor) * 16; 19188e823f5cSJacopo Mondi if (ov5640_is_csi2(sensor)) { 1919aa288248SMaxime Ripard rate = rate / sensor->ep.bus.mipi_csi2.num_data_lanes; 1920aa288248SMaxime Ripard ret = ov5640_set_mipi_pclk(sensor, rate); 1921aa288248SMaxime Ripard } else { 1922aa288248SMaxime Ripard rate = rate / sensor->ep.bus.parallel.bus_width; 1923aa288248SMaxime Ripard ret = ov5640_set_dvp_pclk(sensor, rate); 1924aa288248SMaxime Ripard } 1925aa288248SMaxime Ripard 1926aa288248SMaxime Ripard if (ret < 0) 1927aa288248SMaxime Ripard return 0; 1928aa288248SMaxime Ripard 192919a81c14SSteve Longerbeam if ((dn_mode == SUBSAMPLING && orig_dn_mode == SCALING) || 193019a81c14SSteve Longerbeam (dn_mode == SCALING && orig_dn_mode == SUBSAMPLING)) { 193119a81c14SSteve Longerbeam /* 193219a81c14SSteve Longerbeam * change between subsampling and scaling 19333cca8ef5SHugues Fruchet * go through exposure calculation 193419a81c14SSteve Longerbeam */ 193519a81c14SSteve Longerbeam ret = ov5640_set_mode_exposure_calc(sensor, mode); 193619a81c14SSteve Longerbeam } else { 193719a81c14SSteve Longerbeam /* 193819a81c14SSteve Longerbeam * change inside subsampling or scaling 193919a81c14SSteve Longerbeam * download firmware directly 194019a81c14SSteve Longerbeam */ 19413cca8ef5SHugues Fruchet ret = ov5640_set_mode_direct(sensor, mode); 194219a81c14SSteve Longerbeam } 194319a81c14SSteve Longerbeam if (ret < 0) 19443cca8ef5SHugues Fruchet goto restore_auto_exp_gain; 19453cca8ef5SHugues Fruchet 19463cca8ef5SHugues Fruchet /* restore auto gain and exposure */ 19473cca8ef5SHugues Fruchet if (auto_gain) 19483cca8ef5SHugues Fruchet ov5640_set_autogain(sensor, true); 19493cca8ef5SHugues Fruchet if (auto_exp) 19503cca8ef5SHugues Fruchet ov5640_set_autoexposure(sensor, true); 195119a81c14SSteve Longerbeam 1952ce85705aSHugues Fruchet ret = ov5640_set_binning(sensor, dn_mode != SCALING); 1953ce85705aSHugues Fruchet if (ret < 0) 1954ce85705aSHugues Fruchet return ret; 195519a81c14SSteve Longerbeam ret = ov5640_set_ae_target(sensor, sensor->ae_target); 195619a81c14SSteve Longerbeam if (ret < 0) 195719a81c14SSteve Longerbeam return ret; 195819a81c14SSteve Longerbeam ret = ov5640_get_light_freq(sensor); 195919a81c14SSteve Longerbeam if (ret < 0) 196019a81c14SSteve Longerbeam return ret; 196119a81c14SSteve Longerbeam ret = ov5640_set_bandingfilter(sensor); 196219a81c14SSteve Longerbeam if (ret < 0) 196319a81c14SSteve Longerbeam return ret; 196419a81c14SSteve Longerbeam ret = ov5640_set_virtual_channel(sensor); 196519a81c14SSteve Longerbeam if (ret < 0) 196619a81c14SSteve Longerbeam return ret; 196719a81c14SSteve Longerbeam 196819a81c14SSteve Longerbeam sensor->pending_mode_change = false; 1969985cdcb0SHugues Fruchet sensor->last_mode = mode; 197019a81c14SSteve Longerbeam 197119a81c14SSteve Longerbeam return 0; 19723cca8ef5SHugues Fruchet 19733cca8ef5SHugues Fruchet restore_auto_exp_gain: 19743cca8ef5SHugues Fruchet if (auto_exp) 19753cca8ef5SHugues Fruchet ov5640_set_autoexposure(sensor, true); 19763cca8ef5SHugues Fruchet restore_auto_gain: 19773cca8ef5SHugues Fruchet if (auto_gain) 19783cca8ef5SHugues Fruchet ov5640_set_autogain(sensor, true); 19793cca8ef5SHugues Fruchet 19803cca8ef5SHugues Fruchet return ret; 198119a81c14SSteve Longerbeam } 198219a81c14SSteve Longerbeam 198319ad26f9SAkinobu Mita static int ov5640_set_framefmt(struct ov5640_dev *sensor, 198419ad26f9SAkinobu Mita struct v4l2_mbus_framefmt *format); 198519ad26f9SAkinobu Mita 198619a81c14SSteve Longerbeam /* restore the last set video mode after chip power-on */ 198719a81c14SSteve Longerbeam static int ov5640_restore_mode(struct ov5640_dev *sensor) 198819a81c14SSteve Longerbeam { 198919a81c14SSteve Longerbeam int ret; 199019a81c14SSteve Longerbeam 199119a81c14SSteve Longerbeam /* first load the initial register values */ 199219a81c14SSteve Longerbeam ret = ov5640_load_regs(sensor, &ov5640_mode_init_data); 199319a81c14SSteve Longerbeam if (ret < 0) 199419a81c14SSteve Longerbeam return ret; 1995985cdcb0SHugues Fruchet sensor->last_mode = &ov5640_mode_init_data; 199619a81c14SSteve Longerbeam 19978f57c2f8SMaxime Ripard ret = ov5640_mod_reg(sensor, OV5640_REG_SYS_ROOT_DIVIDER, 0x3f, 19987851fe7aSMaxime Ripard (ilog2(OV5640_SCLK2X_ROOT_DIV) << 2) | 19997851fe7aSMaxime Ripard ilog2(OV5640_SCLK_ROOT_DIV)); 20008f57c2f8SMaxime Ripard if (ret) 20018f57c2f8SMaxime Ripard return ret; 20028f57c2f8SMaxime Ripard 200319a81c14SSteve Longerbeam /* now restore the last capture mode */ 2004985cdcb0SHugues Fruchet ret = ov5640_set_mode(sensor); 200519ad26f9SAkinobu Mita if (ret < 0) 200619ad26f9SAkinobu Mita return ret; 200719ad26f9SAkinobu Mita 200819ad26f9SAkinobu Mita return ov5640_set_framefmt(sensor, &sensor->fmt); 200919a81c14SSteve Longerbeam } 201019a81c14SSteve Longerbeam 201119a81c14SSteve Longerbeam static void ov5640_power(struct ov5640_dev *sensor, bool enable) 201219a81c14SSteve Longerbeam { 20131fddc5daSHugues Fruchet gpiod_set_value_cansleep(sensor->pwdn_gpio, enable ? 0 : 1); 201419a81c14SSteve Longerbeam } 201519a81c14SSteve Longerbeam 201619a81c14SSteve Longerbeam static void ov5640_reset(struct ov5640_dev *sensor) 201719a81c14SSteve Longerbeam { 201819a81c14SSteve Longerbeam if (!sensor->reset_gpio) 201919a81c14SSteve Longerbeam return; 202019a81c14SSteve Longerbeam 20211fddc5daSHugues Fruchet gpiod_set_value_cansleep(sensor->reset_gpio, 0); 202219a81c14SSteve Longerbeam 202319a81c14SSteve Longerbeam /* camera power cycle */ 202419a81c14SSteve Longerbeam ov5640_power(sensor, false); 202519a81c14SSteve Longerbeam usleep_range(5000, 10000); 202619a81c14SSteve Longerbeam ov5640_power(sensor, true); 202719a81c14SSteve Longerbeam usleep_range(5000, 10000); 202819a81c14SSteve Longerbeam 20291fddc5daSHugues Fruchet gpiod_set_value_cansleep(sensor->reset_gpio, 1); 203019a81c14SSteve Longerbeam usleep_range(1000, 2000); 203119a81c14SSteve Longerbeam 20321fddc5daSHugues Fruchet gpiod_set_value_cansleep(sensor->reset_gpio, 0); 20331d4c41f3SLoic Poulain usleep_range(20000, 25000); 203419a81c14SSteve Longerbeam } 203519a81c14SSteve Longerbeam 20360f7acb52SHugues Fruchet static int ov5640_set_power_on(struct ov5640_dev *sensor) 203719a81c14SSteve Longerbeam { 20380f7acb52SHugues Fruchet struct i2c_client *client = sensor->i2c_client; 20390f7acb52SHugues Fruchet int ret; 204019a81c14SSteve Longerbeam 20410f7acb52SHugues Fruchet ret = clk_prepare_enable(sensor->xclk); 20420f7acb52SHugues Fruchet if (ret) { 20430f7acb52SHugues Fruchet dev_err(&client->dev, "%s: failed to enable clock\n", 20440f7acb52SHugues Fruchet __func__); 20450f7acb52SHugues Fruchet return ret; 20460f7acb52SHugues Fruchet } 204719a81c14SSteve Longerbeam 204819a81c14SSteve Longerbeam ret = regulator_bulk_enable(OV5640_NUM_SUPPLIES, 204919a81c14SSteve Longerbeam sensor->supplies); 20500f7acb52SHugues Fruchet if (ret) { 20510f7acb52SHugues Fruchet dev_err(&client->dev, "%s: failed to enable regulators\n", 20520f7acb52SHugues Fruchet __func__); 205319a81c14SSteve Longerbeam goto xclk_off; 20540f7acb52SHugues Fruchet } 205519a81c14SSteve Longerbeam 205619a81c14SSteve Longerbeam ov5640_reset(sensor); 205719a81c14SSteve Longerbeam ov5640_power(sensor, true); 205819a81c14SSteve Longerbeam 205919a81c14SSteve Longerbeam ret = ov5640_init_slave_id(sensor); 206019a81c14SSteve Longerbeam if (ret) 206119a81c14SSteve Longerbeam goto power_off; 206219a81c14SSteve Longerbeam 20630f7acb52SHugues Fruchet return 0; 20640f7acb52SHugues Fruchet 20650f7acb52SHugues Fruchet power_off: 20660f7acb52SHugues Fruchet ov5640_power(sensor, false); 20670f7acb52SHugues Fruchet regulator_bulk_disable(OV5640_NUM_SUPPLIES, sensor->supplies); 20680f7acb52SHugues Fruchet xclk_off: 20690f7acb52SHugues Fruchet clk_disable_unprepare(sensor->xclk); 20700f7acb52SHugues Fruchet return ret; 20710f7acb52SHugues Fruchet } 20720f7acb52SHugues Fruchet 20730f7acb52SHugues Fruchet static void ov5640_set_power_off(struct ov5640_dev *sensor) 20740f7acb52SHugues Fruchet { 20750f7acb52SHugues Fruchet ov5640_power(sensor, false); 20760f7acb52SHugues Fruchet regulator_bulk_disable(OV5640_NUM_SUPPLIES, sensor->supplies); 20770f7acb52SHugues Fruchet clk_disable_unprepare(sensor->xclk); 20780f7acb52SHugues Fruchet } 20790f7acb52SHugues Fruchet 2080b1751ae6SLad Prabhakar static int ov5640_set_power_mipi(struct ov5640_dev *sensor, bool on) 2081b1751ae6SLad Prabhakar { 2082b1751ae6SLad Prabhakar int ret; 2083b1751ae6SLad Prabhakar 2084b1751ae6SLad Prabhakar if (!on) { 2085b1751ae6SLad Prabhakar /* Reset MIPI bus settings to their default values. */ 2086b1751ae6SLad Prabhakar ov5640_write_reg(sensor, OV5640_REG_IO_MIPI_CTRL00, 0x58); 2087b1751ae6SLad Prabhakar ov5640_write_reg(sensor, OV5640_REG_MIPI_CTRL00, 0x04); 2088b1751ae6SLad Prabhakar ov5640_write_reg(sensor, OV5640_REG_PAD_OUTPUT00, 0x00); 2089b1751ae6SLad Prabhakar return 0; 2090b1751ae6SLad Prabhakar } 2091b1751ae6SLad Prabhakar 2092b1751ae6SLad Prabhakar /* 2093b1751ae6SLad Prabhakar * Power up MIPI HS Tx and LS Rx; 2 data lanes mode 2094b1751ae6SLad Prabhakar * 2095b1751ae6SLad Prabhakar * 0x300e = 0x40 2096b1751ae6SLad Prabhakar * [7:5] = 010 : 2 data lanes mode (see FIXME note in 2097b1751ae6SLad Prabhakar * "ov5640_set_stream_mipi()") 2098b1751ae6SLad Prabhakar * [4] = 0 : Power up MIPI HS Tx 2099b1751ae6SLad Prabhakar * [3] = 0 : Power up MIPI LS Rx 2100b1751ae6SLad Prabhakar * [2] = 0 : MIPI interface disabled 2101b1751ae6SLad Prabhakar */ 2102b1751ae6SLad Prabhakar ret = ov5640_write_reg(sensor, OV5640_REG_IO_MIPI_CTRL00, 0x40); 2103b1751ae6SLad Prabhakar if (ret) 2104b1751ae6SLad Prabhakar return ret; 2105b1751ae6SLad Prabhakar 2106b1751ae6SLad Prabhakar /* 2107b1751ae6SLad Prabhakar * Gate clock and set LP11 in 'no packets mode' (idle) 2108b1751ae6SLad Prabhakar * 2109b1751ae6SLad Prabhakar * 0x4800 = 0x24 2110b1751ae6SLad Prabhakar * [5] = 1 : Gate clock when 'no packets' 2111b1751ae6SLad Prabhakar * [2] = 1 : MIPI bus in LP11 when 'no packets' 2112b1751ae6SLad Prabhakar */ 2113b1751ae6SLad Prabhakar ret = ov5640_write_reg(sensor, OV5640_REG_MIPI_CTRL00, 0x24); 2114b1751ae6SLad Prabhakar if (ret) 2115b1751ae6SLad Prabhakar return ret; 2116b1751ae6SLad Prabhakar 2117b1751ae6SLad Prabhakar /* 2118b1751ae6SLad Prabhakar * Set data lanes and clock in LP11 when 'sleeping' 2119b1751ae6SLad Prabhakar * 2120b1751ae6SLad Prabhakar * 0x3019 = 0x70 2121b1751ae6SLad Prabhakar * [6] = 1 : MIPI data lane 2 in LP11 when 'sleeping' 2122b1751ae6SLad Prabhakar * [5] = 1 : MIPI data lane 1 in LP11 when 'sleeping' 2123b1751ae6SLad Prabhakar * [4] = 1 : MIPI clock lane in LP11 when 'sleeping' 2124b1751ae6SLad Prabhakar */ 2125b1751ae6SLad Prabhakar ret = ov5640_write_reg(sensor, OV5640_REG_PAD_OUTPUT00, 0x70); 2126b1751ae6SLad Prabhakar if (ret) 2127b1751ae6SLad Prabhakar return ret; 2128b1751ae6SLad Prabhakar 2129b1751ae6SLad Prabhakar /* Give lanes some time to coax into LP11 state. */ 2130b1751ae6SLad Prabhakar usleep_range(500, 1000); 2131b1751ae6SLad Prabhakar 2132b1751ae6SLad Prabhakar return 0; 2133b1751ae6SLad Prabhakar } 2134b1751ae6SLad Prabhakar 2135576f5d4bSLad Prabhakar static int ov5640_set_power_dvp(struct ov5640_dev *sensor, bool on) 2136576f5d4bSLad Prabhakar { 2137311a6408SLad Prabhakar unsigned int flags = sensor->ep.bus.parallel.flags; 213868579b32SHugues Fruchet bool bt656 = sensor->ep.bus_type == V4L2_MBUS_BT656; 213968579b32SHugues Fruchet u8 polarities = 0; 2140576f5d4bSLad Prabhakar int ret; 2141576f5d4bSLad Prabhakar 2142576f5d4bSLad Prabhakar if (!on) { 2143576f5d4bSLad Prabhakar /* Reset settings to their default values. */ 214468579b32SHugues Fruchet ov5640_write_reg(sensor, OV5640_REG_CCIR656_CTRL00, 0x00); 2145311a6408SLad Prabhakar ov5640_write_reg(sensor, OV5640_REG_IO_MIPI_CTRL00, 0x58); 2146311a6408SLad Prabhakar ov5640_write_reg(sensor, OV5640_REG_POLARITY_CTRL00, 0x20); 2147576f5d4bSLad Prabhakar ov5640_write_reg(sensor, OV5640_REG_PAD_OUTPUT_ENABLE01, 0x00); 2148576f5d4bSLad Prabhakar ov5640_write_reg(sensor, OV5640_REG_PAD_OUTPUT_ENABLE02, 0x00); 2149576f5d4bSLad Prabhakar return 0; 2150576f5d4bSLad Prabhakar } 2151576f5d4bSLad Prabhakar 2152576f5d4bSLad Prabhakar /* 2153311a6408SLad Prabhakar * Note about parallel port configuration. 2154311a6408SLad Prabhakar * 2155311a6408SLad Prabhakar * When configured in parallel mode, the OV5640 will 2156311a6408SLad Prabhakar * output 10 bits data on DVP data lines [9:0]. 2157311a6408SLad Prabhakar * If only 8 bits data are wanted, the 8 bits data lines 2158311a6408SLad Prabhakar * of the camera interface must be physically connected 2159311a6408SLad Prabhakar * on the DVP data lines [9:2]. 2160311a6408SLad Prabhakar * 2161311a6408SLad Prabhakar * Control lines polarity can be configured through 2162311a6408SLad Prabhakar * devicetree endpoint control lines properties. 2163311a6408SLad Prabhakar * If no endpoint control lines properties are set, 2164311a6408SLad Prabhakar * polarity will be as below: 2165311a6408SLad Prabhakar * - VSYNC: active high 2166311a6408SLad Prabhakar * - HREF: active low 2167311a6408SLad Prabhakar * - PCLK: active low 216868579b32SHugues Fruchet * 216968579b32SHugues Fruchet * VSYNC & HREF are not configured if BT656 bus mode is selected 2170311a6408SLad Prabhakar */ 217168579b32SHugues Fruchet 217268579b32SHugues Fruchet /* 217368579b32SHugues Fruchet * BT656 embedded synchronization configuration 217468579b32SHugues Fruchet * 217568579b32SHugues Fruchet * CCIR656 CTRL00 217668579b32SHugues Fruchet * - [7]: SYNC code selection (0: auto generate sync code, 217768579b32SHugues Fruchet * 1: sync code from regs 0x4732-0x4735) 217868579b32SHugues Fruchet * - [6]: f value in CCIR656 SYNC code when fixed f value 217968579b32SHugues Fruchet * - [5]: Fixed f value 218068579b32SHugues Fruchet * - [4:3]: Blank toggle data options (00: data=1'h040/1'h200, 218168579b32SHugues Fruchet * 01: data from regs 0x4736-0x4738, 10: always keep 0) 218268579b32SHugues Fruchet * - [1]: Clip data disable 218368579b32SHugues Fruchet * - [0]: CCIR656 mode enable 218468579b32SHugues Fruchet * 218568579b32SHugues Fruchet * Default CCIR656 SAV/EAV mode with default codes 218668579b32SHugues Fruchet * SAV=0xff000080 & EAV=0xff00009d is enabled here with settings: 218768579b32SHugues Fruchet * - CCIR656 mode enable 218868579b32SHugues Fruchet * - auto generation of sync codes 218968579b32SHugues Fruchet * - blank toggle data 1'h040/1'h200 219068579b32SHugues Fruchet * - clip reserved data (0x00 & 0xff changed to 0x01 & 0xfe) 219168579b32SHugues Fruchet */ 219268579b32SHugues Fruchet ret = ov5640_write_reg(sensor, OV5640_REG_CCIR656_CTRL00, 219368579b32SHugues Fruchet bt656 ? 0x01 : 0x00); 219468579b32SHugues Fruchet if (ret) 219568579b32SHugues Fruchet return ret; 219668579b32SHugues Fruchet 2197311a6408SLad Prabhakar /* 2198311a6408SLad Prabhakar * configure parallel port control lines polarity 2199311a6408SLad Prabhakar * 2200311a6408SLad Prabhakar * POLARITY CTRL0 2201311a6408SLad Prabhakar * - [5]: PCLK polarity (0: active low, 1: active high) 2202311a6408SLad Prabhakar * - [1]: HREF polarity (0: active low, 1: active high) 2203311a6408SLad Prabhakar * - [0]: VSYNC polarity (mismatch here between 2204311a6408SLad Prabhakar * datasheet and hardware, 0 is active high 2205311a6408SLad Prabhakar * and 1 is active low...) 2206311a6408SLad Prabhakar */ 220768579b32SHugues Fruchet if (!bt656) { 2208311a6408SLad Prabhakar if (flags & V4L2_MBUS_HSYNC_ACTIVE_HIGH) 220968579b32SHugues Fruchet polarities |= BIT(1); 2210311a6408SLad Prabhakar if (flags & V4L2_MBUS_VSYNC_ACTIVE_LOW) 221168579b32SHugues Fruchet polarities |= BIT(0); 221268579b32SHugues Fruchet } 221368579b32SHugues Fruchet if (flags & V4L2_MBUS_PCLK_SAMPLE_RISING) 221468579b32SHugues Fruchet polarities |= BIT(5); 2215311a6408SLad Prabhakar 221668579b32SHugues Fruchet ret = ov5640_write_reg(sensor, OV5640_REG_POLARITY_CTRL00, polarities); 2217311a6408SLad Prabhakar if (ret) 2218311a6408SLad Prabhakar return ret; 2219311a6408SLad Prabhakar 2220311a6408SLad Prabhakar /* 222168579b32SHugues Fruchet * powerdown MIPI TX/RX PHY & enable DVP 2222311a6408SLad Prabhakar * 2223311a6408SLad Prabhakar * MIPI CONTROL 00 222468579b32SHugues Fruchet * [4] = 1 : Power down MIPI HS Tx 222568579b32SHugues Fruchet * [3] = 1 : Power down MIPI LS Rx 222668579b32SHugues Fruchet * [2] = 0 : DVP enable (MIPI disable) 2227311a6408SLad Prabhakar */ 2228311a6408SLad Prabhakar ret = ov5640_write_reg(sensor, OV5640_REG_IO_MIPI_CTRL00, 0x18); 2229311a6408SLad Prabhakar if (ret) 2230311a6408SLad Prabhakar return ret; 2231311a6408SLad Prabhakar 2232311a6408SLad Prabhakar /* 2233576f5d4bSLad Prabhakar * enable VSYNC/HREF/PCLK DVP control lines 2234576f5d4bSLad Prabhakar * & D[9:6] DVP data lines 2235576f5d4bSLad Prabhakar * 2236576f5d4bSLad Prabhakar * PAD OUTPUT ENABLE 01 2237576f5d4bSLad Prabhakar * - 6: VSYNC output enable 2238576f5d4bSLad Prabhakar * - 5: HREF output enable 2239576f5d4bSLad Prabhakar * - 4: PCLK output enable 2240576f5d4bSLad Prabhakar * - [3:0]: D[9:6] output enable 2241576f5d4bSLad Prabhakar */ 22424039b037SLad Prabhakar ret = ov5640_write_reg(sensor, OV5640_REG_PAD_OUTPUT_ENABLE01, 224368579b32SHugues Fruchet bt656 ? 0x1f : 0x7f); 2244576f5d4bSLad Prabhakar if (ret) 2245576f5d4bSLad Prabhakar return ret; 2246576f5d4bSLad Prabhakar 2247576f5d4bSLad Prabhakar /* 2248576f5d4bSLad Prabhakar * enable D[5:0] DVP data lines 2249576f5d4bSLad Prabhakar * 2250576f5d4bSLad Prabhakar * PAD OUTPUT ENABLE 02 2251576f5d4bSLad Prabhakar * - [7:2]: D[5:0] output enable 2252576f5d4bSLad Prabhakar */ 2253576f5d4bSLad Prabhakar return ov5640_write_reg(sensor, OV5640_REG_PAD_OUTPUT_ENABLE02, 0xfc); 2254576f5d4bSLad Prabhakar } 2255576f5d4bSLad Prabhakar 22560f7acb52SHugues Fruchet static int ov5640_set_power(struct ov5640_dev *sensor, bool on) 22570f7acb52SHugues Fruchet { 22580f7acb52SHugues Fruchet int ret = 0; 22590f7acb52SHugues Fruchet 22600f7acb52SHugues Fruchet if (on) { 22610f7acb52SHugues Fruchet ret = ov5640_set_power_on(sensor); 22620f7acb52SHugues Fruchet if (ret) 22630f7acb52SHugues Fruchet return ret; 22640f7acb52SHugues Fruchet 226519a81c14SSteve Longerbeam ret = ov5640_restore_mode(sensor); 226619a81c14SSteve Longerbeam if (ret) 226719a81c14SSteve Longerbeam goto power_off; 2268b1751ae6SLad Prabhakar } 226919a81c14SSteve Longerbeam 2270576f5d4bSLad Prabhakar if (sensor->ep.bus_type == V4L2_MBUS_CSI2_DPHY) 2271b1751ae6SLad Prabhakar ret = ov5640_set_power_mipi(sensor, on); 2272576f5d4bSLad Prabhakar else 2273576f5d4bSLad Prabhakar ret = ov5640_set_power_dvp(sensor, on); 2274b1751ae6SLad Prabhakar if (ret) 2275b1751ae6SLad Prabhakar goto power_off; 2276aa4bb8b8SJacopo Mondi 2277b1751ae6SLad Prabhakar if (!on) 2278aa4bb8b8SJacopo Mondi ov5640_set_power_off(sensor); 227919a81c14SSteve Longerbeam 228019a81c14SSteve Longerbeam return 0; 228119a81c14SSteve Longerbeam 228219a81c14SSteve Longerbeam power_off: 22830f7acb52SHugues Fruchet ov5640_set_power_off(sensor); 228419a81c14SSteve Longerbeam return ret; 228519a81c14SSteve Longerbeam } 228619a81c14SSteve Longerbeam 228719a81c14SSteve Longerbeam /* --------------- Subdev Operations --------------- */ 228819a81c14SSteve Longerbeam 228919a81c14SSteve Longerbeam static int ov5640_s_power(struct v4l2_subdev *sd, int on) 229019a81c14SSteve Longerbeam { 229119a81c14SSteve Longerbeam struct ov5640_dev *sensor = to_ov5640_dev(sd); 229219a81c14SSteve Longerbeam int ret = 0; 229319a81c14SSteve Longerbeam 229419a81c14SSteve Longerbeam mutex_lock(&sensor->lock); 229519a81c14SSteve Longerbeam 229619a81c14SSteve Longerbeam /* 229719a81c14SSteve Longerbeam * If the power count is modified from 0 to != 0 or from != 0 to 0, 229819a81c14SSteve Longerbeam * update the power state. 229919a81c14SSteve Longerbeam */ 230019a81c14SSteve Longerbeam if (sensor->power_count == !on) { 230119a81c14SSteve Longerbeam ret = ov5640_set_power(sensor, !!on); 230219a81c14SSteve Longerbeam if (ret) 230319a81c14SSteve Longerbeam goto out; 230419a81c14SSteve Longerbeam } 230519a81c14SSteve Longerbeam 230619a81c14SSteve Longerbeam /* Update the power count. */ 230719a81c14SSteve Longerbeam sensor->power_count += on ? 1 : -1; 230819a81c14SSteve Longerbeam WARN_ON(sensor->power_count < 0); 230919a81c14SSteve Longerbeam out: 231019a81c14SSteve Longerbeam mutex_unlock(&sensor->lock); 231119a81c14SSteve Longerbeam 231219a81c14SSteve Longerbeam if (on && !ret && sensor->power_count == 1) { 231319a81c14SSteve Longerbeam /* restore controls */ 231419a81c14SSteve Longerbeam ret = v4l2_ctrl_handler_setup(&sensor->ctrls.handler); 231519a81c14SSteve Longerbeam } 231619a81c14SSteve Longerbeam 231719a81c14SSteve Longerbeam return ret; 231819a81c14SSteve Longerbeam } 231919a81c14SSteve Longerbeam 232019a81c14SSteve Longerbeam static int ov5640_try_frame_interval(struct ov5640_dev *sensor, 232119a81c14SSteve Longerbeam struct v4l2_fract *fi, 232219a81c14SSteve Longerbeam u32 width, u32 height) 232319a81c14SSteve Longerbeam { 232419a81c14SSteve Longerbeam const struct ov5640_mode_info *mode; 23256530a5ebSJagan Teki enum ov5640_frame_rate rate = OV5640_15_FPS; 2326f6cc192fSMaxime Ripard int minfps, maxfps, best_fps, fps; 2327f6cc192fSMaxime Ripard int i; 232819a81c14SSteve Longerbeam 232919a81c14SSteve Longerbeam minfps = ov5640_framerates[OV5640_15_FPS]; 2330e823fb16SMaxime Ripard maxfps = ov5640_framerates[OV5640_60_FPS]; 233119a81c14SSteve Longerbeam 233219a81c14SSteve Longerbeam if (fi->numerator == 0) { 233319a81c14SSteve Longerbeam fi->denominator = maxfps; 233419a81c14SSteve Longerbeam fi->numerator = 1; 2335e823fb16SMaxime Ripard rate = OV5640_60_FPS; 2336e823fb16SMaxime Ripard goto find_mode; 233719a81c14SSteve Longerbeam } 233819a81c14SSteve Longerbeam 2339f6cc192fSMaxime Ripard fps = clamp_val(DIV_ROUND_CLOSEST(fi->denominator, fi->numerator), 2340f6cc192fSMaxime Ripard minfps, maxfps); 2341f6cc192fSMaxime Ripard 2342f6cc192fSMaxime Ripard best_fps = minfps; 2343f6cc192fSMaxime Ripard for (i = 0; i < ARRAY_SIZE(ov5640_framerates); i++) { 2344f6cc192fSMaxime Ripard int curr_fps = ov5640_framerates[i]; 2345f6cc192fSMaxime Ripard 2346f6cc192fSMaxime Ripard if (abs(curr_fps - fps) < abs(best_fps - fps)) { 2347f6cc192fSMaxime Ripard best_fps = curr_fps; 2348f6cc192fSMaxime Ripard rate = i; 2349f6cc192fSMaxime Ripard } 2350f6cc192fSMaxime Ripard } 235119a81c14SSteve Longerbeam 235219a81c14SSteve Longerbeam fi->numerator = 1; 2353f6cc192fSMaxime Ripard fi->denominator = best_fps; 235419a81c14SSteve Longerbeam 2355e823fb16SMaxime Ripard find_mode: 23565a3ad937SMaxime Ripard mode = ov5640_find_mode(sensor, rate, width, height, false); 23575a3ad937SMaxime Ripard return mode ? rate : -EINVAL; 235819a81c14SSteve Longerbeam } 235919a81c14SSteve Longerbeam 236019a81c14SSteve Longerbeam static int ov5640_get_fmt(struct v4l2_subdev *sd, 23610d346d2aSTomi Valkeinen struct v4l2_subdev_state *sd_state, 236219a81c14SSteve Longerbeam struct v4l2_subdev_format *format) 236319a81c14SSteve Longerbeam { 236419a81c14SSteve Longerbeam struct ov5640_dev *sensor = to_ov5640_dev(sd); 236519a81c14SSteve Longerbeam struct v4l2_mbus_framefmt *fmt; 236619a81c14SSteve Longerbeam 236719a81c14SSteve Longerbeam if (format->pad != 0) 236819a81c14SSteve Longerbeam return -EINVAL; 236919a81c14SSteve Longerbeam 237019a81c14SSteve Longerbeam mutex_lock(&sensor->lock); 237119a81c14SSteve Longerbeam 237219a81c14SSteve Longerbeam if (format->which == V4L2_SUBDEV_FORMAT_TRY) 23730d346d2aSTomi Valkeinen fmt = v4l2_subdev_get_try_format(&sensor->sd, sd_state, 237419a81c14SSteve Longerbeam format->pad); 237519a81c14SSteve Longerbeam else 237619a81c14SSteve Longerbeam fmt = &sensor->fmt; 237719a81c14SSteve Longerbeam 237819a81c14SSteve Longerbeam format->format = *fmt; 237919a81c14SSteve Longerbeam 238019a81c14SSteve Longerbeam mutex_unlock(&sensor->lock); 238119a81c14SSteve Longerbeam 238219a81c14SSteve Longerbeam return 0; 238319a81c14SSteve Longerbeam } 238419a81c14SSteve Longerbeam 238519a81c14SSteve Longerbeam static int ov5640_try_fmt_internal(struct v4l2_subdev *sd, 238619a81c14SSteve Longerbeam struct v4l2_mbus_framefmt *fmt, 238719a81c14SSteve Longerbeam enum ov5640_frame_rate fr, 238819a81c14SSteve Longerbeam const struct ov5640_mode_info **new_mode) 238919a81c14SSteve Longerbeam { 239019a81c14SSteve Longerbeam struct ov5640_dev *sensor = to_ov5640_dev(sd); 239119a81c14SSteve Longerbeam const struct ov5640_mode_info *mode; 2392e3ee691dSHugues Fruchet int i; 239319a81c14SSteve Longerbeam 239419a81c14SSteve Longerbeam mode = ov5640_find_mode(sensor, fr, fmt->width, fmt->height, true); 239519a81c14SSteve Longerbeam if (!mode) 239619a81c14SSteve Longerbeam return -EINVAL; 2397dba13a0bSMaxime Ripard fmt->width = mode->hact; 2398dba13a0bSMaxime Ripard fmt->height = mode->vact; 239919a81c14SSteve Longerbeam 240019a81c14SSteve Longerbeam if (new_mode) 240119a81c14SSteve Longerbeam *new_mode = mode; 2402e3ee691dSHugues Fruchet 2403e3ee691dSHugues Fruchet for (i = 0; i < ARRAY_SIZE(ov5640_formats); i++) 2404e3ee691dSHugues Fruchet if (ov5640_formats[i].code == fmt->code) 2405e3ee691dSHugues Fruchet break; 2406e3ee691dSHugues Fruchet if (i >= ARRAY_SIZE(ov5640_formats)) 2407e6441fdeSHugues Fruchet i = 0; 2408e6441fdeSHugues Fruchet 2409e6441fdeSHugues Fruchet fmt->code = ov5640_formats[i].code; 2410e6441fdeSHugues Fruchet fmt->colorspace = ov5640_formats[i].colorspace; 2411e6441fdeSHugues Fruchet fmt->ycbcr_enc = V4L2_MAP_YCBCR_ENC_DEFAULT(fmt->colorspace); 2412e6441fdeSHugues Fruchet fmt->quantization = V4L2_QUANTIZATION_FULL_RANGE; 2413e6441fdeSHugues Fruchet fmt->xfer_func = V4L2_MAP_XFER_FUNC_DEFAULT(fmt->colorspace); 2414e3ee691dSHugues Fruchet 241519a81c14SSteve Longerbeam return 0; 241619a81c14SSteve Longerbeam } 241719a81c14SSteve Longerbeam 2418*3c28588fSJacopo Mondi static int ov5640_update_pixel_rate(struct ov5640_dev *sensor) 2419*3c28588fSJacopo Mondi { 2420*3c28588fSJacopo Mondi const struct ov5640_mode_info *mode = sensor->current_mode; 2421*3c28588fSJacopo Mondi enum ov5640_pixel_rate_id pixel_rate_id = mode->pixel_rate; 2422*3c28588fSJacopo Mondi struct v4l2_mbus_framefmt *fmt = &sensor->fmt; 2423*3c28588fSJacopo Mondi unsigned int i = 0; 2424*3c28588fSJacopo Mondi u32 pixel_rate; 2425*3c28588fSJacopo Mondi s64 link_freq; 2426*3c28588fSJacopo Mondi u32 num_lanes; 2427*3c28588fSJacopo Mondi u32 bpp; 2428*3c28588fSJacopo Mondi 2429*3c28588fSJacopo Mondi /* 2430*3c28588fSJacopo Mondi * Update the pixel rate control value. 2431*3c28588fSJacopo Mondi * 2432*3c28588fSJacopo Mondi * For DVP mode, maintain the pixel rate calculation using fixed FPS. 2433*3c28588fSJacopo Mondi */ 2434*3c28588fSJacopo Mondi if (!ov5640_is_csi2(sensor)) { 2435*3c28588fSJacopo Mondi __v4l2_ctrl_s_ctrl_int64(sensor->ctrls.pixel_rate, 2436*3c28588fSJacopo Mondi ov5640_calc_pixel_rate(sensor)); 2437*3c28588fSJacopo Mondi 2438*3c28588fSJacopo Mondi return 0; 2439*3c28588fSJacopo Mondi } 2440*3c28588fSJacopo Mondi 2441*3c28588fSJacopo Mondi /* 2442*3c28588fSJacopo Mondi * The MIPI CSI-2 link frequency should comply with the CSI-2 2443*3c28588fSJacopo Mondi * specification and be lower than 1GHz. 2444*3c28588fSJacopo Mondi * 2445*3c28588fSJacopo Mondi * Start from the suggested pixel_rate for the current mode and 2446*3c28588fSJacopo Mondi * progressively slow it down if it exceeds 1GHz. 2447*3c28588fSJacopo Mondi */ 2448*3c28588fSJacopo Mondi num_lanes = sensor->ep.bus.mipi_csi2.num_data_lanes; 2449*3c28588fSJacopo Mondi bpp = ov5640_code_to_bpp(fmt->code); 2450*3c28588fSJacopo Mondi do { 2451*3c28588fSJacopo Mondi pixel_rate = ov5640_pixel_rates[pixel_rate_id]; 2452*3c28588fSJacopo Mondi link_freq = pixel_rate * bpp / (2 * num_lanes); 2453*3c28588fSJacopo Mondi } while (link_freq >= 1000000000U && 2454*3c28588fSJacopo Mondi ++pixel_rate_id < OV5640_NUM_PIXEL_RATES); 2455*3c28588fSJacopo Mondi 2456*3c28588fSJacopo Mondi sensor->current_link_freq = link_freq; 2457*3c28588fSJacopo Mondi 2458*3c28588fSJacopo Mondi /* 2459*3c28588fSJacopo Mondi * Higher link rates require the clock tree to be programmed with 2460*3c28588fSJacopo Mondi * 'mipi_div' = 1; this has the effect of halving the actual output 2461*3c28588fSJacopo Mondi * pixel rate in the MIPI domain. 2462*3c28588fSJacopo Mondi * 2463*3c28588fSJacopo Mondi * Adjust the pixel rate and link frequency control value to report it 2464*3c28588fSJacopo Mondi * correctly to userspace. 2465*3c28588fSJacopo Mondi */ 2466*3c28588fSJacopo Mondi if (link_freq > OV5640_LINK_RATE_MAX) { 2467*3c28588fSJacopo Mondi pixel_rate /= 2; 2468*3c28588fSJacopo Mondi link_freq /= 2; 2469*3c28588fSJacopo Mondi } 2470*3c28588fSJacopo Mondi 2471*3c28588fSJacopo Mondi for (i = 0; i < ARRAY_SIZE(ov5640_csi2_link_freqs); ++i) { 2472*3c28588fSJacopo Mondi if (ov5640_csi2_link_freqs[i] == link_freq) 2473*3c28588fSJacopo Mondi break; 2474*3c28588fSJacopo Mondi } 2475*3c28588fSJacopo Mondi WARN_ON(i == ARRAY_SIZE(ov5640_csi2_link_freqs)); 2476*3c28588fSJacopo Mondi 2477*3c28588fSJacopo Mondi __v4l2_ctrl_s_ctrl_int64(sensor->ctrls.pixel_rate, pixel_rate); 2478*3c28588fSJacopo Mondi __v4l2_ctrl_s_ctrl(sensor->ctrls.link_freq, i); 2479*3c28588fSJacopo Mondi 2480*3c28588fSJacopo Mondi return 0; 2481*3c28588fSJacopo Mondi } 2482*3c28588fSJacopo Mondi 248319a81c14SSteve Longerbeam static int ov5640_set_fmt(struct v4l2_subdev *sd, 24840d346d2aSTomi Valkeinen struct v4l2_subdev_state *sd_state, 248519a81c14SSteve Longerbeam struct v4l2_subdev_format *format) 248619a81c14SSteve Longerbeam { 248719a81c14SSteve Longerbeam struct ov5640_dev *sensor = to_ov5640_dev(sd); 248819a81c14SSteve Longerbeam const struct ov5640_mode_info *new_mode; 2489e6441fdeSHugues Fruchet struct v4l2_mbus_framefmt *mbus_fmt = &format->format; 249019a81c14SSteve Longerbeam int ret; 249119a81c14SSteve Longerbeam 249219a81c14SSteve Longerbeam if (format->pad != 0) 249319a81c14SSteve Longerbeam return -EINVAL; 249419a81c14SSteve Longerbeam 249519a81c14SSteve Longerbeam mutex_lock(&sensor->lock); 249619a81c14SSteve Longerbeam 249719a81c14SSteve Longerbeam if (sensor->streaming) { 249819a81c14SSteve Longerbeam ret = -EBUSY; 249919a81c14SSteve Longerbeam goto out; 250019a81c14SSteve Longerbeam } 250119a81c14SSteve Longerbeam 2502e6441fdeSHugues Fruchet ret = ov5640_try_fmt_internal(sd, mbus_fmt, 250319a81c14SSteve Longerbeam sensor->current_fr, &new_mode); 250419a81c14SSteve Longerbeam if (ret) 250519a81c14SSteve Longerbeam goto out; 250619a81c14SSteve Longerbeam 2507e738f5ddSMirela Rabulea if (format->which == V4L2_SUBDEV_FORMAT_TRY) { 2508e738f5ddSMirela Rabulea *v4l2_subdev_get_try_format(sd, sd_state, 0) = *mbus_fmt; 2509e738f5ddSMirela Rabulea goto out; 2510e738f5ddSMirela Rabulea } 251119a81c14SSteve Longerbeam 25126949d864SHugues Fruchet if (new_mode != sensor->current_mode) { 251319a81c14SSteve Longerbeam sensor->current_mode = new_mode; 251419a81c14SSteve Longerbeam sensor->pending_mode_change = true; 25156949d864SHugues Fruchet } 251607115449SJacopo Mondi if (mbus_fmt->code != sensor->fmt.code) 2517fb98e29fSHugues Fruchet sensor->pending_fmt_change = true; 251807115449SJacopo Mondi 2519e738f5ddSMirela Rabulea /* update format even if code is unchanged, resolution might change */ 2520e738f5ddSMirela Rabulea sensor->fmt = *mbus_fmt; 2521e738f5ddSMirela Rabulea 2522*3c28588fSJacopo Mondi ov5640_update_pixel_rate(sensor); 2523*3c28588fSJacopo Mondi 252419a81c14SSteve Longerbeam out: 252519a81c14SSteve Longerbeam mutex_unlock(&sensor->lock); 252619a81c14SSteve Longerbeam return ret; 252719a81c14SSteve Longerbeam } 252819a81c14SSteve Longerbeam 2529e3ee691dSHugues Fruchet static int ov5640_set_framefmt(struct ov5640_dev *sensor, 2530e3ee691dSHugues Fruchet struct v4l2_mbus_framefmt *format) 2531e3ee691dSHugues Fruchet { 2532e3ee691dSHugues Fruchet int ret = 0; 2533d47c4126SHugues Fruchet bool is_jpeg = false; 2534b7ed3abdSLoic Poulain u8 fmt, mux; 2535e3ee691dSHugues Fruchet 2536e3ee691dSHugues Fruchet switch (format->code) { 25371536fbdbSXavier Roumegue case MEDIA_BUS_FMT_UYVY8_1X16: 2538e3ee691dSHugues Fruchet case MEDIA_BUS_FMT_UYVY8_2X8: 2539e3ee691dSHugues Fruchet /* YUV422, UYVY */ 2540b7ed3abdSLoic Poulain fmt = 0x3f; 2541b7ed3abdSLoic Poulain mux = OV5640_FMT_MUX_YUV422; 2542e3ee691dSHugues Fruchet break; 25431536fbdbSXavier Roumegue case MEDIA_BUS_FMT_YUYV8_1X16: 2544e3ee691dSHugues Fruchet case MEDIA_BUS_FMT_YUYV8_2X8: 2545e3ee691dSHugues Fruchet /* YUV422, YUYV */ 2546b7ed3abdSLoic Poulain fmt = 0x30; 2547b7ed3abdSLoic Poulain mux = OV5640_FMT_MUX_YUV422; 2548e3ee691dSHugues Fruchet break; 2549e3ee691dSHugues Fruchet case MEDIA_BUS_FMT_RGB565_2X8_LE: 2550e3ee691dSHugues Fruchet /* RGB565 {g[2:0],b[4:0]},{r[4:0],g[5:3]} */ 2551b7ed3abdSLoic Poulain fmt = 0x6F; 2552b7ed3abdSLoic Poulain mux = OV5640_FMT_MUX_RGB; 2553e3ee691dSHugues Fruchet break; 2554e3ee691dSHugues Fruchet case MEDIA_BUS_FMT_RGB565_2X8_BE: 2555e3ee691dSHugues Fruchet /* RGB565 {r[4:0],g[5:3]},{g[2:0],b[4:0]} */ 2556b7ed3abdSLoic Poulain fmt = 0x61; 2557b7ed3abdSLoic Poulain mux = OV5640_FMT_MUX_RGB; 2558e3ee691dSHugues Fruchet break; 2559d47c4126SHugues Fruchet case MEDIA_BUS_FMT_JPEG_1X8: 2560d47c4126SHugues Fruchet /* YUV422, YUYV */ 2561b7ed3abdSLoic Poulain fmt = 0x30; 2562b7ed3abdSLoic Poulain mux = OV5640_FMT_MUX_YUV422; 2563d47c4126SHugues Fruchet is_jpeg = true; 2564d47c4126SHugues Fruchet break; 2565b7ed3abdSLoic Poulain case MEDIA_BUS_FMT_SBGGR8_1X8: 2566b7ed3abdSLoic Poulain /* Raw, BGBG... / GRGR... */ 2567b7ed3abdSLoic Poulain fmt = 0x00; 2568b7ed3abdSLoic Poulain mux = OV5640_FMT_MUX_RAW_DPC; 2569b7ed3abdSLoic Poulain break; 2570b7ed3abdSLoic Poulain case MEDIA_BUS_FMT_SGBRG8_1X8: 2571b7ed3abdSLoic Poulain /* Raw bayer, GBGB... / RGRG... */ 2572b7ed3abdSLoic Poulain fmt = 0x01; 2573b7ed3abdSLoic Poulain mux = OV5640_FMT_MUX_RAW_DPC; 2574b7ed3abdSLoic Poulain break; 2575b7ed3abdSLoic Poulain case MEDIA_BUS_FMT_SGRBG8_1X8: 2576b7ed3abdSLoic Poulain /* Raw bayer, GRGR... / BGBG... */ 2577b7ed3abdSLoic Poulain fmt = 0x02; 2578b7ed3abdSLoic Poulain mux = OV5640_FMT_MUX_RAW_DPC; 2579b7ed3abdSLoic Poulain break; 2580b7ed3abdSLoic Poulain case MEDIA_BUS_FMT_SRGGB8_1X8: 2581b7ed3abdSLoic Poulain /* Raw bayer, RGRG... / GBGB... */ 2582b7ed3abdSLoic Poulain fmt = 0x03; 2583b7ed3abdSLoic Poulain mux = OV5640_FMT_MUX_RAW_DPC; 2584b7ed3abdSLoic Poulain break; 2585e3ee691dSHugues Fruchet default: 2586e3ee691dSHugues Fruchet return -EINVAL; 2587e3ee691dSHugues Fruchet } 2588e3ee691dSHugues Fruchet 2589e3ee691dSHugues Fruchet /* FORMAT CONTROL00: YUV and RGB formatting */ 2590b7ed3abdSLoic Poulain ret = ov5640_write_reg(sensor, OV5640_REG_FORMAT_CONTROL00, fmt); 2591e3ee691dSHugues Fruchet if (ret) 2592e3ee691dSHugues Fruchet return ret; 2593e3ee691dSHugues Fruchet 2594e3ee691dSHugues Fruchet /* FORMAT MUX CONTROL: ISP YUV or RGB */ 2595b7ed3abdSLoic Poulain ret = ov5640_write_reg(sensor, OV5640_REG_ISP_FORMAT_MUX_CTRL, mux); 2596d47c4126SHugues Fruchet if (ret) 2597d47c4126SHugues Fruchet return ret; 2598d47c4126SHugues Fruchet 2599d47c4126SHugues Fruchet /* 2600d47c4126SHugues Fruchet * TIMING TC REG21: 2601d47c4126SHugues Fruchet * - [5]: JPEG enable 2602d47c4126SHugues Fruchet */ 2603d47c4126SHugues Fruchet ret = ov5640_mod_reg(sensor, OV5640_REG_TIMING_TC_REG21, 2604d47c4126SHugues Fruchet BIT(5), is_jpeg ? BIT(5) : 0); 2605d47c4126SHugues Fruchet if (ret) 2606d47c4126SHugues Fruchet return ret; 2607d47c4126SHugues Fruchet 2608d47c4126SHugues Fruchet /* 2609d47c4126SHugues Fruchet * SYSTEM RESET02: 2610d47c4126SHugues Fruchet * - [4]: Reset JFIFO 2611d47c4126SHugues Fruchet * - [3]: Reset SFIFO 2612d47c4126SHugues Fruchet * - [2]: Reset JPEG 2613d47c4126SHugues Fruchet */ 2614d47c4126SHugues Fruchet ret = ov5640_mod_reg(sensor, OV5640_REG_SYS_RESET02, 2615d47c4126SHugues Fruchet BIT(4) | BIT(3) | BIT(2), 2616d47c4126SHugues Fruchet is_jpeg ? 0 : (BIT(4) | BIT(3) | BIT(2))); 2617d47c4126SHugues Fruchet if (ret) 2618d47c4126SHugues Fruchet return ret; 2619d47c4126SHugues Fruchet 2620d47c4126SHugues Fruchet /* 2621d47c4126SHugues Fruchet * CLOCK ENABLE02: 2622d47c4126SHugues Fruchet * - [5]: Enable JPEG 2x clock 2623d47c4126SHugues Fruchet * - [3]: Enable JPEG clock 2624d47c4126SHugues Fruchet */ 2625d47c4126SHugues Fruchet return ov5640_mod_reg(sensor, OV5640_REG_SYS_CLOCK_ENABLE02, 2626d47c4126SHugues Fruchet BIT(5) | BIT(3), 2627d47c4126SHugues Fruchet is_jpeg ? (BIT(5) | BIT(3)) : 0); 2628e3ee691dSHugues Fruchet } 262919a81c14SSteve Longerbeam 263019a81c14SSteve Longerbeam /* 263119a81c14SSteve Longerbeam * Sensor Controls. 263219a81c14SSteve Longerbeam */ 263319a81c14SSteve Longerbeam 263419a81c14SSteve Longerbeam static int ov5640_set_ctrl_hue(struct ov5640_dev *sensor, int value) 263519a81c14SSteve Longerbeam { 263619a81c14SSteve Longerbeam int ret; 263719a81c14SSteve Longerbeam 263819a81c14SSteve Longerbeam if (value) { 263919a81c14SSteve Longerbeam ret = ov5640_mod_reg(sensor, OV5640_REG_SDE_CTRL0, 264019a81c14SSteve Longerbeam BIT(0), BIT(0)); 264119a81c14SSteve Longerbeam if (ret) 264219a81c14SSteve Longerbeam return ret; 264319a81c14SSteve Longerbeam ret = ov5640_write_reg16(sensor, OV5640_REG_SDE_CTRL1, value); 264419a81c14SSteve Longerbeam } else { 264519a81c14SSteve Longerbeam ret = ov5640_mod_reg(sensor, OV5640_REG_SDE_CTRL0, BIT(0), 0); 264619a81c14SSteve Longerbeam } 264719a81c14SSteve Longerbeam 264819a81c14SSteve Longerbeam return ret; 264919a81c14SSteve Longerbeam } 265019a81c14SSteve Longerbeam 265119a81c14SSteve Longerbeam static int ov5640_set_ctrl_contrast(struct ov5640_dev *sensor, int value) 265219a81c14SSteve Longerbeam { 265319a81c14SSteve Longerbeam int ret; 265419a81c14SSteve Longerbeam 265519a81c14SSteve Longerbeam if (value) { 265619a81c14SSteve Longerbeam ret = ov5640_mod_reg(sensor, OV5640_REG_SDE_CTRL0, 265719a81c14SSteve Longerbeam BIT(2), BIT(2)); 265819a81c14SSteve Longerbeam if (ret) 265919a81c14SSteve Longerbeam return ret; 266019a81c14SSteve Longerbeam ret = ov5640_write_reg(sensor, OV5640_REG_SDE_CTRL5, 266119a81c14SSteve Longerbeam value & 0xff); 266219a81c14SSteve Longerbeam } else { 266319a81c14SSteve Longerbeam ret = ov5640_mod_reg(sensor, OV5640_REG_SDE_CTRL0, BIT(2), 0); 266419a81c14SSteve Longerbeam } 266519a81c14SSteve Longerbeam 266619a81c14SSteve Longerbeam return ret; 266719a81c14SSteve Longerbeam } 266819a81c14SSteve Longerbeam 266919a81c14SSteve Longerbeam static int ov5640_set_ctrl_saturation(struct ov5640_dev *sensor, int value) 267019a81c14SSteve Longerbeam { 267119a81c14SSteve Longerbeam int ret; 267219a81c14SSteve Longerbeam 267319a81c14SSteve Longerbeam if (value) { 267419a81c14SSteve Longerbeam ret = ov5640_mod_reg(sensor, OV5640_REG_SDE_CTRL0, 267519a81c14SSteve Longerbeam BIT(1), BIT(1)); 267619a81c14SSteve Longerbeam if (ret) 267719a81c14SSteve Longerbeam return ret; 267819a81c14SSteve Longerbeam ret = ov5640_write_reg(sensor, OV5640_REG_SDE_CTRL3, 267919a81c14SSteve Longerbeam value & 0xff); 268019a81c14SSteve Longerbeam if (ret) 268119a81c14SSteve Longerbeam return ret; 268219a81c14SSteve Longerbeam ret = ov5640_write_reg(sensor, OV5640_REG_SDE_CTRL4, 268319a81c14SSteve Longerbeam value & 0xff); 268419a81c14SSteve Longerbeam } else { 268519a81c14SSteve Longerbeam ret = ov5640_mod_reg(sensor, OV5640_REG_SDE_CTRL0, BIT(1), 0); 268619a81c14SSteve Longerbeam } 268719a81c14SSteve Longerbeam 268819a81c14SSteve Longerbeam return ret; 268919a81c14SSteve Longerbeam } 269019a81c14SSteve Longerbeam 269119a81c14SSteve Longerbeam static int ov5640_set_ctrl_white_balance(struct ov5640_dev *sensor, int awb) 269219a81c14SSteve Longerbeam { 269319a81c14SSteve Longerbeam int ret; 269419a81c14SSteve Longerbeam 269519a81c14SSteve Longerbeam ret = ov5640_mod_reg(sensor, OV5640_REG_AWB_MANUAL_CTRL, 269619a81c14SSteve Longerbeam BIT(0), awb ? 0 : 1); 269719a81c14SSteve Longerbeam if (ret) 269819a81c14SSteve Longerbeam return ret; 269919a81c14SSteve Longerbeam 270019a81c14SSteve Longerbeam if (!awb) { 270119a81c14SSteve Longerbeam u16 red = (u16)sensor->ctrls.red_balance->val; 270219a81c14SSteve Longerbeam u16 blue = (u16)sensor->ctrls.blue_balance->val; 270319a81c14SSteve Longerbeam 270419a81c14SSteve Longerbeam ret = ov5640_write_reg16(sensor, OV5640_REG_AWB_R_GAIN, red); 270519a81c14SSteve Longerbeam if (ret) 270619a81c14SSteve Longerbeam return ret; 270719a81c14SSteve Longerbeam ret = ov5640_write_reg16(sensor, OV5640_REG_AWB_B_GAIN, blue); 270819a81c14SSteve Longerbeam } 270919a81c14SSteve Longerbeam 271019a81c14SSteve Longerbeam return ret; 271119a81c14SSteve Longerbeam } 271219a81c14SSteve Longerbeam 27133cca8ef5SHugues Fruchet static int ov5640_set_ctrl_exposure(struct ov5640_dev *sensor, 27143cca8ef5SHugues Fruchet enum v4l2_exposure_auto_type auto_exposure) 271519a81c14SSteve Longerbeam { 271619a81c14SSteve Longerbeam struct ov5640_ctrls *ctrls = &sensor->ctrls; 27173cca8ef5SHugues Fruchet bool auto_exp = (auto_exposure == V4L2_EXPOSURE_AUTO); 271819a81c14SSteve Longerbeam int ret = 0; 271919a81c14SSteve Longerbeam 272019a81c14SSteve Longerbeam if (ctrls->auto_exp->is_new) { 27213cca8ef5SHugues Fruchet ret = ov5640_set_autoexposure(sensor, auto_exp); 272219a81c14SSteve Longerbeam if (ret) 272319a81c14SSteve Longerbeam return ret; 272419a81c14SSteve Longerbeam } 272519a81c14SSteve Longerbeam 27263cca8ef5SHugues Fruchet if (!auto_exp && ctrls->exposure->is_new) { 272719a81c14SSteve Longerbeam u16 max_exp; 272819a81c14SSteve Longerbeam 272919a81c14SSteve Longerbeam ret = ov5640_read_reg16(sensor, OV5640_REG_AEC_PK_VTS, 273019a81c14SSteve Longerbeam &max_exp); 273119a81c14SSteve Longerbeam if (ret) 273219a81c14SSteve Longerbeam return ret; 273319a81c14SSteve Longerbeam ret = ov5640_get_vts(sensor); 273419a81c14SSteve Longerbeam if (ret < 0) 273519a81c14SSteve Longerbeam return ret; 273619a81c14SSteve Longerbeam max_exp += ret; 27376146fde3SHugues Fruchet ret = 0; 273819a81c14SSteve Longerbeam 273919a81c14SSteve Longerbeam if (ctrls->exposure->val < max_exp) 274019a81c14SSteve Longerbeam ret = ov5640_set_exposure(sensor, ctrls->exposure->val); 274119a81c14SSteve Longerbeam } 274219a81c14SSteve Longerbeam 274319a81c14SSteve Longerbeam return ret; 274419a81c14SSteve Longerbeam } 274519a81c14SSteve Longerbeam 27463cca8ef5SHugues Fruchet static int ov5640_set_ctrl_gain(struct ov5640_dev *sensor, bool auto_gain) 274719a81c14SSteve Longerbeam { 274819a81c14SSteve Longerbeam struct ov5640_ctrls *ctrls = &sensor->ctrls; 274919a81c14SSteve Longerbeam int ret = 0; 275019a81c14SSteve Longerbeam 275119a81c14SSteve Longerbeam if (ctrls->auto_gain->is_new) { 27523cca8ef5SHugues Fruchet ret = ov5640_set_autogain(sensor, auto_gain); 275319a81c14SSteve Longerbeam if (ret) 275419a81c14SSteve Longerbeam return ret; 275519a81c14SSteve Longerbeam } 275619a81c14SSteve Longerbeam 27573cca8ef5SHugues Fruchet if (!auto_gain && ctrls->gain->is_new) 27583cca8ef5SHugues Fruchet ret = ov5640_set_gain(sensor, ctrls->gain->val); 275919a81c14SSteve Longerbeam 276019a81c14SSteve Longerbeam return ret; 276119a81c14SSteve Longerbeam } 276219a81c14SSteve Longerbeam 27639f6d7bacSChen-Yu Tsai static const char * const test_pattern_menu[] = { 27649f6d7bacSChen-Yu Tsai "Disabled", 27659f6d7bacSChen-Yu Tsai "Color bars", 2766bddc5cdfSChen-Yu Tsai "Color bars w/ rolling bar", 2767bddc5cdfSChen-Yu Tsai "Color squares", 2768bddc5cdfSChen-Yu Tsai "Color squares w/ rolling bar", 27699f6d7bacSChen-Yu Tsai }; 27709f6d7bacSChen-Yu Tsai 2771a0c29afbSChen-Yu Tsai #define OV5640_TEST_ENABLE BIT(7) 2772a0c29afbSChen-Yu Tsai #define OV5640_TEST_ROLLING BIT(6) /* rolling horizontal bar */ 2773a0c29afbSChen-Yu Tsai #define OV5640_TEST_TRANSPARENT BIT(5) 2774a0c29afbSChen-Yu Tsai #define OV5640_TEST_SQUARE_BW BIT(4) /* black & white squares */ 2775a0c29afbSChen-Yu Tsai #define OV5640_TEST_BAR_STANDARD (0 << 2) 2776a0c29afbSChen-Yu Tsai #define OV5640_TEST_BAR_VERT_CHANGE_1 (1 << 2) 2777a0c29afbSChen-Yu Tsai #define OV5640_TEST_BAR_HOR_CHANGE (2 << 2) 2778a0c29afbSChen-Yu Tsai #define OV5640_TEST_BAR_VERT_CHANGE_2 (3 << 2) 2779a0c29afbSChen-Yu Tsai #define OV5640_TEST_BAR (0 << 0) 2780a0c29afbSChen-Yu Tsai #define OV5640_TEST_RANDOM (1 << 0) 2781a0c29afbSChen-Yu Tsai #define OV5640_TEST_SQUARE (2 << 0) 2782a0c29afbSChen-Yu Tsai #define OV5640_TEST_BLACK (3 << 0) 2783a0c29afbSChen-Yu Tsai 2784a0c29afbSChen-Yu Tsai static const u8 test_pattern_val[] = { 2785a0c29afbSChen-Yu Tsai 0, 27862aff1fc3SChen-Yu Tsai OV5640_TEST_ENABLE | OV5640_TEST_BAR_VERT_CHANGE_1 | 2787a0c29afbSChen-Yu Tsai OV5640_TEST_BAR, 2788bddc5cdfSChen-Yu Tsai OV5640_TEST_ENABLE | OV5640_TEST_ROLLING | 2789bddc5cdfSChen-Yu Tsai OV5640_TEST_BAR_VERT_CHANGE_1 | OV5640_TEST_BAR, 2790bddc5cdfSChen-Yu Tsai OV5640_TEST_ENABLE | OV5640_TEST_SQUARE, 2791bddc5cdfSChen-Yu Tsai OV5640_TEST_ENABLE | OV5640_TEST_ROLLING | OV5640_TEST_SQUARE, 2792a0c29afbSChen-Yu Tsai }; 2793a0c29afbSChen-Yu Tsai 279419a81c14SSteve Longerbeam static int ov5640_set_ctrl_test_pattern(struct ov5640_dev *sensor, int value) 279519a81c14SSteve Longerbeam { 2796a0c29afbSChen-Yu Tsai return ov5640_write_reg(sensor, OV5640_REG_PRE_ISP_TEST_SET1, 2797a0c29afbSChen-Yu Tsai test_pattern_val[value]); 279819a81c14SSteve Longerbeam } 279919a81c14SSteve Longerbeam 28001068fecaSMylène Josserand static int ov5640_set_ctrl_light_freq(struct ov5640_dev *sensor, int value) 28011068fecaSMylène Josserand { 28021068fecaSMylène Josserand int ret; 28031068fecaSMylène Josserand 28041068fecaSMylène Josserand ret = ov5640_mod_reg(sensor, OV5640_REG_HZ5060_CTRL01, BIT(7), 28051068fecaSMylène Josserand (value == V4L2_CID_POWER_LINE_FREQUENCY_AUTO) ? 28061068fecaSMylène Josserand 0 : BIT(7)); 28071068fecaSMylène Josserand if (ret) 28081068fecaSMylène Josserand return ret; 28091068fecaSMylène Josserand 28101068fecaSMylène Josserand return ov5640_mod_reg(sensor, OV5640_REG_HZ5060_CTRL00, BIT(2), 28111068fecaSMylène Josserand (value == V4L2_CID_POWER_LINE_FREQUENCY_50HZ) ? 28121068fecaSMylène Josserand BIT(2) : 0); 28131068fecaSMylène Josserand } 28141068fecaSMylène Josserand 2815ce85705aSHugues Fruchet static int ov5640_set_ctrl_hflip(struct ov5640_dev *sensor, int value) 2816ce85705aSHugues Fruchet { 2817ce85705aSHugues Fruchet /* 2818c3f3ba3eSHugues Fruchet * If sensor is mounted upside down, mirror logic is inversed. 2819c3f3ba3eSHugues Fruchet * 2820ce85705aSHugues Fruchet * Sensor is a BSI (Back Side Illuminated) one, 2821ce85705aSHugues Fruchet * so image captured is physically mirrored. 2822ce85705aSHugues Fruchet * This is why mirror logic is inversed in 2823ce85705aSHugues Fruchet * order to cancel this mirror effect. 2824ce85705aSHugues Fruchet */ 2825ce85705aSHugues Fruchet 2826ce85705aSHugues Fruchet /* 2827ce85705aSHugues Fruchet * TIMING TC REG21: 2828ce85705aSHugues Fruchet * - [2]: ISP mirror 2829ce85705aSHugues Fruchet * - [1]: Sensor mirror 2830ce85705aSHugues Fruchet */ 2831ce85705aSHugues Fruchet return ov5640_mod_reg(sensor, OV5640_REG_TIMING_TC_REG21, 2832ce85705aSHugues Fruchet BIT(2) | BIT(1), 2833c3f3ba3eSHugues Fruchet (!(value ^ sensor->upside_down)) ? 2834c3f3ba3eSHugues Fruchet (BIT(2) | BIT(1)) : 0); 2835ce85705aSHugues Fruchet } 2836ce85705aSHugues Fruchet 2837ce85705aSHugues Fruchet static int ov5640_set_ctrl_vflip(struct ov5640_dev *sensor, int value) 2838ce85705aSHugues Fruchet { 2839c3f3ba3eSHugues Fruchet /* If sensor is mounted upside down, flip logic is inversed */ 2840c3f3ba3eSHugues Fruchet 2841ce85705aSHugues Fruchet /* 2842ce85705aSHugues Fruchet * TIMING TC REG20: 2843ce85705aSHugues Fruchet * - [2]: ISP vflip 2844ce85705aSHugues Fruchet * - [1]: Sensor vflip 2845ce85705aSHugues Fruchet */ 2846ce85705aSHugues Fruchet return ov5640_mod_reg(sensor, OV5640_REG_TIMING_TC_REG20, 2847ce85705aSHugues Fruchet BIT(2) | BIT(1), 2848c3f3ba3eSHugues Fruchet (value ^ sensor->upside_down) ? 2849c3f3ba3eSHugues Fruchet (BIT(2) | BIT(1)) : 0); 2850ce85705aSHugues Fruchet } 2851ce85705aSHugues Fruchet 285219a81c14SSteve Longerbeam static int ov5640_g_volatile_ctrl(struct v4l2_ctrl *ctrl) 285319a81c14SSteve Longerbeam { 285419a81c14SSteve Longerbeam struct v4l2_subdev *sd = ctrl_to_sd(ctrl); 285519a81c14SSteve Longerbeam struct ov5640_dev *sensor = to_ov5640_dev(sd); 285619a81c14SSteve Longerbeam int val; 285719a81c14SSteve Longerbeam 285819a81c14SSteve Longerbeam /* v4l2_ctrl_lock() locks our own mutex */ 285919a81c14SSteve Longerbeam 286019a81c14SSteve Longerbeam switch (ctrl->id) { 286119a81c14SSteve Longerbeam case V4L2_CID_AUTOGAIN: 286219a81c14SSteve Longerbeam val = ov5640_get_gain(sensor); 286319a81c14SSteve Longerbeam if (val < 0) 286419a81c14SSteve Longerbeam return val; 286519a81c14SSteve Longerbeam sensor->ctrls.gain->val = val; 286619a81c14SSteve Longerbeam break; 286719a81c14SSteve Longerbeam case V4L2_CID_EXPOSURE_AUTO: 286819a81c14SSteve Longerbeam val = ov5640_get_exposure(sensor); 286919a81c14SSteve Longerbeam if (val < 0) 287019a81c14SSteve Longerbeam return val; 287119a81c14SSteve Longerbeam sensor->ctrls.exposure->val = val; 287219a81c14SSteve Longerbeam break; 287319a81c14SSteve Longerbeam } 287419a81c14SSteve Longerbeam 287519a81c14SSteve Longerbeam return 0; 287619a81c14SSteve Longerbeam } 287719a81c14SSteve Longerbeam 287819a81c14SSteve Longerbeam static int ov5640_s_ctrl(struct v4l2_ctrl *ctrl) 287919a81c14SSteve Longerbeam { 288019a81c14SSteve Longerbeam struct v4l2_subdev *sd = ctrl_to_sd(ctrl); 288119a81c14SSteve Longerbeam struct ov5640_dev *sensor = to_ov5640_dev(sd); 288219a81c14SSteve Longerbeam int ret; 288319a81c14SSteve Longerbeam 288419a81c14SSteve Longerbeam /* v4l2_ctrl_lock() locks our own mutex */ 288519a81c14SSteve Longerbeam 288619a81c14SSteve Longerbeam /* 288719a81c14SSteve Longerbeam * If the device is not powered up by the host driver do 288819a81c14SSteve Longerbeam * not apply any controls to H/W at this time. Instead 288919a81c14SSteve Longerbeam * the controls will be restored right after power-up. 289019a81c14SSteve Longerbeam */ 289119a81c14SSteve Longerbeam if (sensor->power_count == 0) 289219a81c14SSteve Longerbeam return 0; 289319a81c14SSteve Longerbeam 289419a81c14SSteve Longerbeam switch (ctrl->id) { 289519a81c14SSteve Longerbeam case V4L2_CID_AUTOGAIN: 289619a81c14SSteve Longerbeam ret = ov5640_set_ctrl_gain(sensor, ctrl->val); 289719a81c14SSteve Longerbeam break; 289819a81c14SSteve Longerbeam case V4L2_CID_EXPOSURE_AUTO: 289919a81c14SSteve Longerbeam ret = ov5640_set_ctrl_exposure(sensor, ctrl->val); 290019a81c14SSteve Longerbeam break; 290119a81c14SSteve Longerbeam case V4L2_CID_AUTO_WHITE_BALANCE: 290219a81c14SSteve Longerbeam ret = ov5640_set_ctrl_white_balance(sensor, ctrl->val); 290319a81c14SSteve Longerbeam break; 290419a81c14SSteve Longerbeam case V4L2_CID_HUE: 290519a81c14SSteve Longerbeam ret = ov5640_set_ctrl_hue(sensor, ctrl->val); 290619a81c14SSteve Longerbeam break; 290719a81c14SSteve Longerbeam case V4L2_CID_CONTRAST: 290819a81c14SSteve Longerbeam ret = ov5640_set_ctrl_contrast(sensor, ctrl->val); 290919a81c14SSteve Longerbeam break; 291019a81c14SSteve Longerbeam case V4L2_CID_SATURATION: 291119a81c14SSteve Longerbeam ret = ov5640_set_ctrl_saturation(sensor, ctrl->val); 291219a81c14SSteve Longerbeam break; 291319a81c14SSteve Longerbeam case V4L2_CID_TEST_PATTERN: 291419a81c14SSteve Longerbeam ret = ov5640_set_ctrl_test_pattern(sensor, ctrl->val); 291519a81c14SSteve Longerbeam break; 29161068fecaSMylène Josserand case V4L2_CID_POWER_LINE_FREQUENCY: 29171068fecaSMylène Josserand ret = ov5640_set_ctrl_light_freq(sensor, ctrl->val); 29181068fecaSMylène Josserand break; 2919ce85705aSHugues Fruchet case V4L2_CID_HFLIP: 2920ce85705aSHugues Fruchet ret = ov5640_set_ctrl_hflip(sensor, ctrl->val); 2921ce85705aSHugues Fruchet break; 2922ce85705aSHugues Fruchet case V4L2_CID_VFLIP: 2923ce85705aSHugues Fruchet ret = ov5640_set_ctrl_vflip(sensor, ctrl->val); 2924ce85705aSHugues Fruchet break; 292519a81c14SSteve Longerbeam default: 292619a81c14SSteve Longerbeam ret = -EINVAL; 292719a81c14SSteve Longerbeam break; 292819a81c14SSteve Longerbeam } 292919a81c14SSteve Longerbeam 293019a81c14SSteve Longerbeam return ret; 293119a81c14SSteve Longerbeam } 293219a81c14SSteve Longerbeam 293319a81c14SSteve Longerbeam static const struct v4l2_ctrl_ops ov5640_ctrl_ops = { 293419a81c14SSteve Longerbeam .g_volatile_ctrl = ov5640_g_volatile_ctrl, 293519a81c14SSteve Longerbeam .s_ctrl = ov5640_s_ctrl, 293619a81c14SSteve Longerbeam }; 293719a81c14SSteve Longerbeam 293819a81c14SSteve Longerbeam static int ov5640_init_controls(struct ov5640_dev *sensor) 293919a81c14SSteve Longerbeam { 294022845bf2SJacopo Mondi const struct ov5640_mode_info *mode = sensor->current_mode; 294119a81c14SSteve Longerbeam const struct v4l2_ctrl_ops *ops = &ov5640_ctrl_ops; 294219a81c14SSteve Longerbeam struct ov5640_ctrls *ctrls = &sensor->ctrls; 294319a81c14SSteve Longerbeam struct v4l2_ctrl_handler *hdl = &ctrls->handler; 294419a81c14SSteve Longerbeam int ret; 294519a81c14SSteve Longerbeam 294619a81c14SSteve Longerbeam v4l2_ctrl_handler_init(hdl, 32); 294719a81c14SSteve Longerbeam 294819a81c14SSteve Longerbeam /* we can use our own mutex for the ctrl lock */ 294919a81c14SSteve Longerbeam hdl->lock = &sensor->lock; 295019a81c14SSteve Longerbeam 2951cc196e48SBenoit Parrot /* Clock related controls */ 2952cc196e48SBenoit Parrot ctrls->pixel_rate = v4l2_ctrl_new_std(hdl, ops, V4L2_CID_PIXEL_RATE, 295322845bf2SJacopo Mondi ov5640_pixel_rates[OV5640_NUM_PIXEL_RATES - 1], 295422845bf2SJacopo Mondi ov5640_pixel_rates[0], 1, 295522845bf2SJacopo Mondi ov5640_pixel_rates[mode->pixel_rate]); 2956cc196e48SBenoit Parrot 29577a3b8d4bSJacopo Mondi ctrls->link_freq = v4l2_ctrl_new_int_menu(hdl, ops, 29587a3b8d4bSJacopo Mondi V4L2_CID_LINK_FREQ, 29597a3b8d4bSJacopo Mondi ARRAY_SIZE(ov5640_csi2_link_freqs) - 1, 29607a3b8d4bSJacopo Mondi OV5640_DEFAULT_LINK_FREQ, 29617a3b8d4bSJacopo Mondi ov5640_csi2_link_freqs); 29627a3b8d4bSJacopo Mondi 296319a81c14SSteve Longerbeam /* Auto/manual white balance */ 296419a81c14SSteve Longerbeam ctrls->auto_wb = v4l2_ctrl_new_std(hdl, ops, 296519a81c14SSteve Longerbeam V4L2_CID_AUTO_WHITE_BALANCE, 296619a81c14SSteve Longerbeam 0, 1, 1, 1); 296719a81c14SSteve Longerbeam ctrls->blue_balance = v4l2_ctrl_new_std(hdl, ops, V4L2_CID_BLUE_BALANCE, 296819a81c14SSteve Longerbeam 0, 4095, 1, 0); 296919a81c14SSteve Longerbeam ctrls->red_balance = v4l2_ctrl_new_std(hdl, ops, V4L2_CID_RED_BALANCE, 297019a81c14SSteve Longerbeam 0, 4095, 1, 0); 297119a81c14SSteve Longerbeam /* Auto/manual exposure */ 297219a81c14SSteve Longerbeam ctrls->auto_exp = v4l2_ctrl_new_std_menu(hdl, ops, 297319a81c14SSteve Longerbeam V4L2_CID_EXPOSURE_AUTO, 297419a81c14SSteve Longerbeam V4L2_EXPOSURE_MANUAL, 0, 297519a81c14SSteve Longerbeam V4L2_EXPOSURE_AUTO); 297619a81c14SSteve Longerbeam ctrls->exposure = v4l2_ctrl_new_std(hdl, ops, V4L2_CID_EXPOSURE, 297719a81c14SSteve Longerbeam 0, 65535, 1, 0); 297819a81c14SSteve Longerbeam /* Auto/manual gain */ 297919a81c14SSteve Longerbeam ctrls->auto_gain = v4l2_ctrl_new_std(hdl, ops, V4L2_CID_AUTOGAIN, 298019a81c14SSteve Longerbeam 0, 1, 1, 1); 298119a81c14SSteve Longerbeam ctrls->gain = v4l2_ctrl_new_std(hdl, ops, V4L2_CID_GAIN, 298219a81c14SSteve Longerbeam 0, 1023, 1, 0); 298319a81c14SSteve Longerbeam 298419a81c14SSteve Longerbeam ctrls->saturation = v4l2_ctrl_new_std(hdl, ops, V4L2_CID_SATURATION, 298519a81c14SSteve Longerbeam 0, 255, 1, 64); 298619a81c14SSteve Longerbeam ctrls->hue = v4l2_ctrl_new_std(hdl, ops, V4L2_CID_HUE, 298719a81c14SSteve Longerbeam 0, 359, 1, 0); 298819a81c14SSteve Longerbeam ctrls->contrast = v4l2_ctrl_new_std(hdl, ops, V4L2_CID_CONTRAST, 298919a81c14SSteve Longerbeam 0, 255, 1, 0); 299019a81c14SSteve Longerbeam ctrls->test_pattern = 299119a81c14SSteve Longerbeam v4l2_ctrl_new_std_menu_items(hdl, ops, V4L2_CID_TEST_PATTERN, 299219a81c14SSteve Longerbeam ARRAY_SIZE(test_pattern_menu) - 1, 299319a81c14SSteve Longerbeam 0, 0, test_pattern_menu); 2994ce85705aSHugues Fruchet ctrls->hflip = v4l2_ctrl_new_std(hdl, ops, V4L2_CID_HFLIP, 2995ce85705aSHugues Fruchet 0, 1, 1, 0); 2996ce85705aSHugues Fruchet ctrls->vflip = v4l2_ctrl_new_std(hdl, ops, V4L2_CID_VFLIP, 2997ce85705aSHugues Fruchet 0, 1, 1, 0); 299819a81c14SSteve Longerbeam 29991068fecaSMylène Josserand ctrls->light_freq = 30001068fecaSMylène Josserand v4l2_ctrl_new_std_menu(hdl, ops, 30011068fecaSMylène Josserand V4L2_CID_POWER_LINE_FREQUENCY, 30021068fecaSMylène Josserand V4L2_CID_POWER_LINE_FREQUENCY_AUTO, 0, 30031068fecaSMylène Josserand V4L2_CID_POWER_LINE_FREQUENCY_50HZ); 30041068fecaSMylène Josserand 300519a81c14SSteve Longerbeam if (hdl->error) { 300619a81c14SSteve Longerbeam ret = hdl->error; 300719a81c14SSteve Longerbeam goto free_ctrls; 300819a81c14SSteve Longerbeam } 300919a81c14SSteve Longerbeam 3010cc196e48SBenoit Parrot ctrls->pixel_rate->flags |= V4L2_CTRL_FLAG_READ_ONLY; 30117a3b8d4bSJacopo Mondi ctrls->link_freq->flags |= V4L2_CTRL_FLAG_READ_ONLY; 301219a81c14SSteve Longerbeam ctrls->gain->flags |= V4L2_CTRL_FLAG_VOLATILE; 301319a81c14SSteve Longerbeam ctrls->exposure->flags |= V4L2_CTRL_FLAG_VOLATILE; 301419a81c14SSteve Longerbeam 301519a81c14SSteve Longerbeam v4l2_ctrl_auto_cluster(3, &ctrls->auto_wb, 0, false); 301619a81c14SSteve Longerbeam v4l2_ctrl_auto_cluster(2, &ctrls->auto_gain, 0, true); 301719a81c14SSteve Longerbeam v4l2_ctrl_auto_cluster(2, &ctrls->auto_exp, 1, true); 301819a81c14SSteve Longerbeam 301919a81c14SSteve Longerbeam sensor->sd.ctrl_handler = hdl; 302019a81c14SSteve Longerbeam return 0; 302119a81c14SSteve Longerbeam 302219a81c14SSteve Longerbeam free_ctrls: 302319a81c14SSteve Longerbeam v4l2_ctrl_handler_free(hdl); 302419a81c14SSteve Longerbeam return ret; 302519a81c14SSteve Longerbeam } 302619a81c14SSteve Longerbeam 302719a81c14SSteve Longerbeam static int ov5640_enum_frame_size(struct v4l2_subdev *sd, 30280d346d2aSTomi Valkeinen struct v4l2_subdev_state *sd_state, 302919a81c14SSteve Longerbeam struct v4l2_subdev_frame_size_enum *fse) 303019a81c14SSteve Longerbeam { 303119a81c14SSteve Longerbeam if (fse->pad != 0) 303219a81c14SSteve Longerbeam return -EINVAL; 303319a81c14SSteve Longerbeam if (fse->index >= OV5640_NUM_MODES) 303419a81c14SSteve Longerbeam return -EINVAL; 303519a81c14SSteve Longerbeam 303641d8d7f5SHugues Fruchet fse->min_width = 3037086c25f8SMaxime Ripard ov5640_mode_data[fse->index].hact; 303841d8d7f5SHugues Fruchet fse->max_width = fse->min_width; 303941d8d7f5SHugues Fruchet fse->min_height = 3040086c25f8SMaxime Ripard ov5640_mode_data[fse->index].vact; 304141d8d7f5SHugues Fruchet fse->max_height = fse->min_height; 304219a81c14SSteve Longerbeam 304319a81c14SSteve Longerbeam return 0; 304419a81c14SSteve Longerbeam } 304519a81c14SSteve Longerbeam 304619a81c14SSteve Longerbeam static int ov5640_enum_frame_interval( 304719a81c14SSteve Longerbeam struct v4l2_subdev *sd, 30480d346d2aSTomi Valkeinen struct v4l2_subdev_state *sd_state, 304919a81c14SSteve Longerbeam struct v4l2_subdev_frame_interval_enum *fie) 305019a81c14SSteve Longerbeam { 305119a81c14SSteve Longerbeam struct ov5640_dev *sensor = to_ov5640_dev(sd); 305219a81c14SSteve Longerbeam struct v4l2_fract tpf; 305319a81c14SSteve Longerbeam int ret; 305419a81c14SSteve Longerbeam 305519a81c14SSteve Longerbeam if (fie->pad != 0) 305619a81c14SSteve Longerbeam return -EINVAL; 305719a81c14SSteve Longerbeam if (fie->index >= OV5640_NUM_FRAMERATES) 305819a81c14SSteve Longerbeam return -EINVAL; 305919a81c14SSteve Longerbeam 306019a81c14SSteve Longerbeam tpf.numerator = 1; 306119a81c14SSteve Longerbeam tpf.denominator = ov5640_framerates[fie->index]; 306219a81c14SSteve Longerbeam 306319a81c14SSteve Longerbeam ret = ov5640_try_frame_interval(sensor, &tpf, 306419a81c14SSteve Longerbeam fie->width, fie->height); 306519a81c14SSteve Longerbeam if (ret < 0) 306619a81c14SSteve Longerbeam return -EINVAL; 306719a81c14SSteve Longerbeam 306819a81c14SSteve Longerbeam fie->interval = tpf; 306919a81c14SSteve Longerbeam return 0; 307019a81c14SSteve Longerbeam } 307119a81c14SSteve Longerbeam 307219a81c14SSteve Longerbeam static int ov5640_g_frame_interval(struct v4l2_subdev *sd, 307319a81c14SSteve Longerbeam struct v4l2_subdev_frame_interval *fi) 307419a81c14SSteve Longerbeam { 307519a81c14SSteve Longerbeam struct ov5640_dev *sensor = to_ov5640_dev(sd); 307619a81c14SSteve Longerbeam 307719a81c14SSteve Longerbeam mutex_lock(&sensor->lock); 307819a81c14SSteve Longerbeam fi->interval = sensor->frame_interval; 307919a81c14SSteve Longerbeam mutex_unlock(&sensor->lock); 308019a81c14SSteve Longerbeam 308119a81c14SSteve Longerbeam return 0; 308219a81c14SSteve Longerbeam } 308319a81c14SSteve Longerbeam 308419a81c14SSteve Longerbeam static int ov5640_s_frame_interval(struct v4l2_subdev *sd, 308519a81c14SSteve Longerbeam struct v4l2_subdev_frame_interval *fi) 308619a81c14SSteve Longerbeam { 308719a81c14SSteve Longerbeam struct ov5640_dev *sensor = to_ov5640_dev(sd); 308819a81c14SSteve Longerbeam const struct ov5640_mode_info *mode; 308919a81c14SSteve Longerbeam int frame_rate, ret = 0; 309019a81c14SSteve Longerbeam 309119a81c14SSteve Longerbeam if (fi->pad != 0) 309219a81c14SSteve Longerbeam return -EINVAL; 309319a81c14SSteve Longerbeam 309419a81c14SSteve Longerbeam mutex_lock(&sensor->lock); 309519a81c14SSteve Longerbeam 309619a81c14SSteve Longerbeam if (sensor->streaming) { 309719a81c14SSteve Longerbeam ret = -EBUSY; 309819a81c14SSteve Longerbeam goto out; 309919a81c14SSteve Longerbeam } 310019a81c14SSteve Longerbeam 310119a81c14SSteve Longerbeam mode = sensor->current_mode; 310219a81c14SSteve Longerbeam 310319a81c14SSteve Longerbeam frame_rate = ov5640_try_frame_interval(sensor, &fi->interval, 3104dba13a0bSMaxime Ripard mode->hact, mode->vact); 3105e823fb16SMaxime Ripard if (frame_rate < 0) { 3106e823fb16SMaxime Ripard /* Always return a valid frame interval value */ 3107e823fb16SMaxime Ripard fi->interval = sensor->frame_interval; 3108e823fb16SMaxime Ripard goto out; 3109e823fb16SMaxime Ripard } 311019a81c14SSteve Longerbeam 31113c4a7372SHugues Fruchet mode = ov5640_find_mode(sensor, frame_rate, mode->hact, 3112dba13a0bSMaxime Ripard mode->vact, true); 31133c4a7372SHugues Fruchet if (!mode) { 31143c4a7372SHugues Fruchet ret = -EINVAL; 31153c4a7372SHugues Fruchet goto out; 31163c4a7372SHugues Fruchet } 31173c4a7372SHugues Fruchet 31180929983eSHugues Fruchet if (mode != sensor->current_mode || 31190929983eSHugues Fruchet frame_rate != sensor->current_fr) { 31200929983eSHugues Fruchet sensor->current_fr = frame_rate; 31210929983eSHugues Fruchet sensor->frame_interval = fi->interval; 31223c4a7372SHugues Fruchet sensor->current_mode = mode; 312319a81c14SSteve Longerbeam sensor->pending_mode_change = true; 3124cc196e48SBenoit Parrot 3125cc196e48SBenoit Parrot __v4l2_ctrl_s_ctrl_int64(sensor->ctrls.pixel_rate, 3126cc196e48SBenoit Parrot ov5640_calc_pixel_rate(sensor)); 31276949d864SHugues Fruchet } 312819a81c14SSteve Longerbeam out: 312919a81c14SSteve Longerbeam mutex_unlock(&sensor->lock); 313019a81c14SSteve Longerbeam return ret; 313119a81c14SSteve Longerbeam } 313219a81c14SSteve Longerbeam 313319a81c14SSteve Longerbeam static int ov5640_enum_mbus_code(struct v4l2_subdev *sd, 31340d346d2aSTomi Valkeinen struct v4l2_subdev_state *sd_state, 313519a81c14SSteve Longerbeam struct v4l2_subdev_mbus_code_enum *code) 313619a81c14SSteve Longerbeam { 313719a81c14SSteve Longerbeam if (code->pad != 0) 313819a81c14SSteve Longerbeam return -EINVAL; 3139e3ee691dSHugues Fruchet if (code->index >= ARRAY_SIZE(ov5640_formats)) 314019a81c14SSteve Longerbeam return -EINVAL; 314119a81c14SSteve Longerbeam 3142e3ee691dSHugues Fruchet code->code = ov5640_formats[code->index].code; 314319a81c14SSteve Longerbeam return 0; 314419a81c14SSteve Longerbeam } 314519a81c14SSteve Longerbeam 314619a81c14SSteve Longerbeam static int ov5640_s_stream(struct v4l2_subdev *sd, int enable) 314719a81c14SSteve Longerbeam { 314819a81c14SSteve Longerbeam struct ov5640_dev *sensor = to_ov5640_dev(sd); 314919a81c14SSteve Longerbeam int ret = 0; 315019a81c14SSteve Longerbeam 315119a81c14SSteve Longerbeam mutex_lock(&sensor->lock); 315219a81c14SSteve Longerbeam 315319a81c14SSteve Longerbeam if (sensor->streaming == !enable) { 315419a81c14SSteve Longerbeam if (enable && sensor->pending_mode_change) { 3155985cdcb0SHugues Fruchet ret = ov5640_set_mode(sensor); 315619a81c14SSteve Longerbeam if (ret) 315719a81c14SSteve Longerbeam goto out; 3158fb98e29fSHugues Fruchet } 3159e3ee691dSHugues Fruchet 3160fb98e29fSHugues Fruchet if (enable && sensor->pending_fmt_change) { 3161e3ee691dSHugues Fruchet ret = ov5640_set_framefmt(sensor, &sensor->fmt); 3162e3ee691dSHugues Fruchet if (ret) 3163e3ee691dSHugues Fruchet goto out; 3164fb98e29fSHugues Fruchet sensor->pending_fmt_change = false; 316519a81c14SSteve Longerbeam } 316619a81c14SSteve Longerbeam 31678e823f5cSJacopo Mondi if (ov5640_is_csi2(sensor)) 3168f22996dbSHugues Fruchet ret = ov5640_set_stream_mipi(sensor, enable); 3169f22996dbSHugues Fruchet else 3170f22996dbSHugues Fruchet ret = ov5640_set_stream_dvp(sensor, enable); 3171f22996dbSHugues Fruchet 317219a81c14SSteve Longerbeam if (!ret) 317319a81c14SSteve Longerbeam sensor->streaming = enable; 317419a81c14SSteve Longerbeam } 317519a81c14SSteve Longerbeam out: 317619a81c14SSteve Longerbeam mutex_unlock(&sensor->lock); 317719a81c14SSteve Longerbeam return ret; 317819a81c14SSteve Longerbeam } 317919a81c14SSteve Longerbeam 318019a81c14SSteve Longerbeam static const struct v4l2_subdev_core_ops ov5640_core_ops = { 318119a81c14SSteve Longerbeam .s_power = ov5640_s_power, 31822d18fbc5SAkinobu Mita .log_status = v4l2_ctrl_subdev_log_status, 31832d18fbc5SAkinobu Mita .subscribe_event = v4l2_ctrl_subdev_subscribe_event, 31842d18fbc5SAkinobu Mita .unsubscribe_event = v4l2_event_subdev_unsubscribe, 318519a81c14SSteve Longerbeam }; 318619a81c14SSteve Longerbeam 318719a81c14SSteve Longerbeam static const struct v4l2_subdev_video_ops ov5640_video_ops = { 318819a81c14SSteve Longerbeam .g_frame_interval = ov5640_g_frame_interval, 318919a81c14SSteve Longerbeam .s_frame_interval = ov5640_s_frame_interval, 319019a81c14SSteve Longerbeam .s_stream = ov5640_s_stream, 319119a81c14SSteve Longerbeam }; 319219a81c14SSteve Longerbeam 319319a81c14SSteve Longerbeam static const struct v4l2_subdev_pad_ops ov5640_pad_ops = { 319419a81c14SSteve Longerbeam .enum_mbus_code = ov5640_enum_mbus_code, 319519a81c14SSteve Longerbeam .get_fmt = ov5640_get_fmt, 319619a81c14SSteve Longerbeam .set_fmt = ov5640_set_fmt, 319719a81c14SSteve Longerbeam .enum_frame_size = ov5640_enum_frame_size, 319819a81c14SSteve Longerbeam .enum_frame_interval = ov5640_enum_frame_interval, 319919a81c14SSteve Longerbeam }; 320019a81c14SSteve Longerbeam 320119a81c14SSteve Longerbeam static const struct v4l2_subdev_ops ov5640_subdev_ops = { 320219a81c14SSteve Longerbeam .core = &ov5640_core_ops, 320319a81c14SSteve Longerbeam .video = &ov5640_video_ops, 320419a81c14SSteve Longerbeam .pad = &ov5640_pad_ops, 320519a81c14SSteve Longerbeam }; 320619a81c14SSteve Longerbeam 320719a81c14SSteve Longerbeam static int ov5640_get_regulators(struct ov5640_dev *sensor) 320819a81c14SSteve Longerbeam { 320919a81c14SSteve Longerbeam int i; 321019a81c14SSteve Longerbeam 321119a81c14SSteve Longerbeam for (i = 0; i < OV5640_NUM_SUPPLIES; i++) 321219a81c14SSteve Longerbeam sensor->supplies[i].supply = ov5640_supply_name[i]; 321319a81c14SSteve Longerbeam 321419a81c14SSteve Longerbeam return devm_regulator_bulk_get(&sensor->i2c_client->dev, 321519a81c14SSteve Longerbeam OV5640_NUM_SUPPLIES, 321619a81c14SSteve Longerbeam sensor->supplies); 321719a81c14SSteve Longerbeam } 321819a81c14SSteve Longerbeam 32190f7acb52SHugues Fruchet static int ov5640_check_chip_id(struct ov5640_dev *sensor) 32200f7acb52SHugues Fruchet { 32210f7acb52SHugues Fruchet struct i2c_client *client = sensor->i2c_client; 32220f7acb52SHugues Fruchet int ret = 0; 32230f7acb52SHugues Fruchet u16 chip_id; 32240f7acb52SHugues Fruchet 32250f7acb52SHugues Fruchet ret = ov5640_set_power_on(sensor); 32260f7acb52SHugues Fruchet if (ret) 32270f7acb52SHugues Fruchet return ret; 32280f7acb52SHugues Fruchet 32290f7acb52SHugues Fruchet ret = ov5640_read_reg16(sensor, OV5640_REG_CHIP_ID, &chip_id); 32300f7acb52SHugues Fruchet if (ret) { 32310f7acb52SHugues Fruchet dev_err(&client->dev, "%s: failed to read chip identifier\n", 32320f7acb52SHugues Fruchet __func__); 32330f7acb52SHugues Fruchet goto power_off; 32340f7acb52SHugues Fruchet } 32350f7acb52SHugues Fruchet 32360f7acb52SHugues Fruchet if (chip_id != 0x5640) { 32370f7acb52SHugues Fruchet dev_err(&client->dev, "%s: wrong chip identifier, expected 0x5640, got 0x%x\n", 32380f7acb52SHugues Fruchet __func__, chip_id); 32390f7acb52SHugues Fruchet ret = -ENXIO; 32400f7acb52SHugues Fruchet } 32410f7acb52SHugues Fruchet 32420f7acb52SHugues Fruchet power_off: 32430f7acb52SHugues Fruchet ov5640_set_power_off(sensor); 32440f7acb52SHugues Fruchet return ret; 32450f7acb52SHugues Fruchet } 32460f7acb52SHugues Fruchet 3247e6714993SKieran Bingham static int ov5640_probe(struct i2c_client *client) 324819a81c14SSteve Longerbeam { 324919a81c14SSteve Longerbeam struct device *dev = &client->dev; 325019a81c14SSteve Longerbeam struct fwnode_handle *endpoint; 325119a81c14SSteve Longerbeam struct ov5640_dev *sensor; 3252e6441fdeSHugues Fruchet struct v4l2_mbus_framefmt *fmt; 3253c3f3ba3eSHugues Fruchet u32 rotation; 325419a81c14SSteve Longerbeam int ret; 325519a81c14SSteve Longerbeam 325619a81c14SSteve Longerbeam sensor = devm_kzalloc(dev, sizeof(*sensor), GFP_KERNEL); 325719a81c14SSteve Longerbeam if (!sensor) 325819a81c14SSteve Longerbeam return -ENOMEM; 325919a81c14SSteve Longerbeam 326019a81c14SSteve Longerbeam sensor->i2c_client = client; 3261fb98e29fSHugues Fruchet 3262fb98e29fSHugues Fruchet /* 3263fb98e29fSHugues Fruchet * default init sequence initialize sensor to 3264fb98e29fSHugues Fruchet * YUV422 UYVY VGA@30fps 3265fb98e29fSHugues Fruchet */ 3266e6441fdeSHugues Fruchet fmt = &sensor->fmt; 3267fb98e29fSHugues Fruchet fmt->code = MEDIA_BUS_FMT_UYVY8_2X8; 3268fb98e29fSHugues Fruchet fmt->colorspace = V4L2_COLORSPACE_SRGB; 3269e6441fdeSHugues Fruchet fmt->ycbcr_enc = V4L2_MAP_YCBCR_ENC_DEFAULT(fmt->colorspace); 3270e6441fdeSHugues Fruchet fmt->quantization = V4L2_QUANTIZATION_FULL_RANGE; 3271e6441fdeSHugues Fruchet fmt->xfer_func = V4L2_MAP_XFER_FUNC_DEFAULT(fmt->colorspace); 3272e6441fdeSHugues Fruchet fmt->width = 640; 3273e6441fdeSHugues Fruchet fmt->height = 480; 3274e6441fdeSHugues Fruchet fmt->field = V4L2_FIELD_NONE; 327519a81c14SSteve Longerbeam sensor->frame_interval.numerator = 1; 327619a81c14SSteve Longerbeam sensor->frame_interval.denominator = ov5640_framerates[OV5640_30_FPS]; 327719a81c14SSteve Longerbeam sensor->current_fr = OV5640_30_FPS; 327819a81c14SSteve Longerbeam sensor->current_mode = 3279086c25f8SMaxime Ripard &ov5640_mode_data[OV5640_MODE_VGA_640_480]; 3280985cdcb0SHugues Fruchet sensor->last_mode = sensor->current_mode; 3281*3c28588fSJacopo Mondi sensor->current_link_freq = OV5640_DEFAULT_LINK_FREQ; 328219a81c14SSteve Longerbeam 328319a81c14SSteve Longerbeam sensor->ae_target = 52; 328419a81c14SSteve Longerbeam 3285c3f3ba3eSHugues Fruchet /* optional indication of physical rotation of sensor */ 3286c3f3ba3eSHugues Fruchet ret = fwnode_property_read_u32(dev_fwnode(&client->dev), "rotation", 3287c3f3ba3eSHugues Fruchet &rotation); 3288c3f3ba3eSHugues Fruchet if (!ret) { 3289c3f3ba3eSHugues Fruchet switch (rotation) { 3290c3f3ba3eSHugues Fruchet case 180: 3291c3f3ba3eSHugues Fruchet sensor->upside_down = true; 32921771e9fbSGustavo A. R. Silva fallthrough; 3293c3f3ba3eSHugues Fruchet case 0: 3294c3f3ba3eSHugues Fruchet break; 3295c3f3ba3eSHugues Fruchet default: 3296c3f3ba3eSHugues Fruchet dev_warn(dev, "%u degrees rotation is not supported, ignoring...\n", 3297c3f3ba3eSHugues Fruchet rotation); 3298c3f3ba3eSHugues Fruchet } 3299c3f3ba3eSHugues Fruchet } 3300c3f3ba3eSHugues Fruchet 3301ce96bcf5SSakari Ailus endpoint = fwnode_graph_get_next_endpoint(dev_fwnode(&client->dev), 3302ce96bcf5SSakari Ailus NULL); 330319a81c14SSteve Longerbeam if (!endpoint) { 330419a81c14SSteve Longerbeam dev_err(dev, "endpoint node not found\n"); 330519a81c14SSteve Longerbeam return -EINVAL; 330619a81c14SSteve Longerbeam } 330719a81c14SSteve Longerbeam 330819a81c14SSteve Longerbeam ret = v4l2_fwnode_endpoint_parse(endpoint, &sensor->ep); 330919a81c14SSteve Longerbeam fwnode_handle_put(endpoint); 331019a81c14SSteve Longerbeam if (ret) { 331119a81c14SSteve Longerbeam dev_err(dev, "Could not parse endpoint\n"); 331219a81c14SSteve Longerbeam return ret; 331319a81c14SSteve Longerbeam } 331419a81c14SSteve Longerbeam 33152c61e48dSLad Prabhakar if (sensor->ep.bus_type != V4L2_MBUS_PARALLEL && 33162c61e48dSLad Prabhakar sensor->ep.bus_type != V4L2_MBUS_CSI2_DPHY && 33172c61e48dSLad Prabhakar sensor->ep.bus_type != V4L2_MBUS_BT656) { 33182c61e48dSLad Prabhakar dev_err(dev, "Unsupported bus type %d\n", sensor->ep.bus_type); 33192c61e48dSLad Prabhakar return -EINVAL; 33202c61e48dSLad Prabhakar } 33212c61e48dSLad Prabhakar 332219a81c14SSteve Longerbeam /* get system clock (xclk) */ 332319a81c14SSteve Longerbeam sensor->xclk = devm_clk_get(dev, "xclk"); 332419a81c14SSteve Longerbeam if (IS_ERR(sensor->xclk)) { 332519a81c14SSteve Longerbeam dev_err(dev, "failed to get xclk\n"); 332619a81c14SSteve Longerbeam return PTR_ERR(sensor->xclk); 332719a81c14SSteve Longerbeam } 332819a81c14SSteve Longerbeam 332919a81c14SSteve Longerbeam sensor->xclk_freq = clk_get_rate(sensor->xclk); 333019a81c14SSteve Longerbeam if (sensor->xclk_freq < OV5640_XCLK_MIN || 333119a81c14SSteve Longerbeam sensor->xclk_freq > OV5640_XCLK_MAX) { 333219a81c14SSteve Longerbeam dev_err(dev, "xclk frequency out of range: %d Hz\n", 333319a81c14SSteve Longerbeam sensor->xclk_freq); 333419a81c14SSteve Longerbeam return -EINVAL; 333519a81c14SSteve Longerbeam } 333619a81c14SSteve Longerbeam 333719a81c14SSteve Longerbeam /* request optional power down pin */ 333819a81c14SSteve Longerbeam sensor->pwdn_gpio = devm_gpiod_get_optional(dev, "powerdown", 333919a81c14SSteve Longerbeam GPIOD_OUT_HIGH); 33408791a102SFabio Estevam if (IS_ERR(sensor->pwdn_gpio)) 33418791a102SFabio Estevam return PTR_ERR(sensor->pwdn_gpio); 33428791a102SFabio Estevam 334319a81c14SSteve Longerbeam /* request optional reset pin */ 334419a81c14SSteve Longerbeam sensor->reset_gpio = devm_gpiod_get_optional(dev, "reset", 334519a81c14SSteve Longerbeam GPIOD_OUT_HIGH); 33468791a102SFabio Estevam if (IS_ERR(sensor->reset_gpio)) 33478791a102SFabio Estevam return PTR_ERR(sensor->reset_gpio); 334819a81c14SSteve Longerbeam 334919a81c14SSteve Longerbeam v4l2_i2c_subdev_init(&sensor->sd, client, &ov5640_subdev_ops); 335019a81c14SSteve Longerbeam 33512d18fbc5SAkinobu Mita sensor->sd.flags |= V4L2_SUBDEV_FL_HAS_DEVNODE | 33522d18fbc5SAkinobu Mita V4L2_SUBDEV_FL_HAS_EVENTS; 335319a81c14SSteve Longerbeam sensor->pad.flags = MEDIA_PAD_FL_SOURCE; 335419a81c14SSteve Longerbeam sensor->sd.entity.function = MEDIA_ENT_F_CAM_SENSOR; 335519a81c14SSteve Longerbeam ret = media_entity_pads_init(&sensor->sd.entity, 1, &sensor->pad); 335619a81c14SSteve Longerbeam if (ret) 335719a81c14SSteve Longerbeam return ret; 335819a81c14SSteve Longerbeam 335919a81c14SSteve Longerbeam ret = ov5640_get_regulators(sensor); 336019a81c14SSteve Longerbeam if (ret) 336119a81c14SSteve Longerbeam return ret; 336219a81c14SSteve Longerbeam 336319a81c14SSteve Longerbeam mutex_init(&sensor->lock); 336419a81c14SSteve Longerbeam 33650f7acb52SHugues Fruchet ret = ov5640_check_chip_id(sensor); 33660f7acb52SHugues Fruchet if (ret) 33670f7acb52SHugues Fruchet goto entity_cleanup; 33680f7acb52SHugues Fruchet 336919a81c14SSteve Longerbeam ret = ov5640_init_controls(sensor); 337019a81c14SSteve Longerbeam if (ret) 337119a81c14SSteve Longerbeam goto entity_cleanup; 337219a81c14SSteve Longerbeam 337315786f7bSSakari Ailus ret = v4l2_async_register_subdev_sensor(&sensor->sd); 337419a81c14SSteve Longerbeam if (ret) 337519a81c14SSteve Longerbeam goto free_ctrls; 337619a81c14SSteve Longerbeam 337719a81c14SSteve Longerbeam return 0; 337819a81c14SSteve Longerbeam 337919a81c14SSteve Longerbeam free_ctrls: 338019a81c14SSteve Longerbeam v4l2_ctrl_handler_free(&sensor->ctrls.handler); 338119a81c14SSteve Longerbeam entity_cleanup: 338219a81c14SSteve Longerbeam media_entity_cleanup(&sensor->sd.entity); 3383bfcba38dSTomi Valkeinen mutex_destroy(&sensor->lock); 338419a81c14SSteve Longerbeam return ret; 338519a81c14SSteve Longerbeam } 338619a81c14SSteve Longerbeam 338719a81c14SSteve Longerbeam static int ov5640_remove(struct i2c_client *client) 338819a81c14SSteve Longerbeam { 338919a81c14SSteve Longerbeam struct v4l2_subdev *sd = i2c_get_clientdata(client); 339019a81c14SSteve Longerbeam struct ov5640_dev *sensor = to_ov5640_dev(sd); 339119a81c14SSteve Longerbeam 339219a81c14SSteve Longerbeam v4l2_async_unregister_subdev(&sensor->sd); 339319a81c14SSteve Longerbeam media_entity_cleanup(&sensor->sd.entity); 339419a81c14SSteve Longerbeam v4l2_ctrl_handler_free(&sensor->ctrls.handler); 3395bfcba38dSTomi Valkeinen mutex_destroy(&sensor->lock); 339619a81c14SSteve Longerbeam 339719a81c14SSteve Longerbeam return 0; 339819a81c14SSteve Longerbeam } 339919a81c14SSteve Longerbeam 340019a81c14SSteve Longerbeam static const struct i2c_device_id ov5640_id[] = { 340119a81c14SSteve Longerbeam {"ov5640", 0}, 340219a81c14SSteve Longerbeam {}, 340319a81c14SSteve Longerbeam }; 340419a81c14SSteve Longerbeam MODULE_DEVICE_TABLE(i2c, ov5640_id); 340519a81c14SSteve Longerbeam 340619a81c14SSteve Longerbeam static const struct of_device_id ov5640_dt_ids[] = { 340719a81c14SSteve Longerbeam { .compatible = "ovti,ov5640" }, 340819a81c14SSteve Longerbeam { /* sentinel */ } 340919a81c14SSteve Longerbeam }; 341019a81c14SSteve Longerbeam MODULE_DEVICE_TABLE(of, ov5640_dt_ids); 341119a81c14SSteve Longerbeam 341219a81c14SSteve Longerbeam static struct i2c_driver ov5640_i2c_driver = { 341319a81c14SSteve Longerbeam .driver = { 341419a81c14SSteve Longerbeam .name = "ov5640", 341519a81c14SSteve Longerbeam .of_match_table = ov5640_dt_ids, 341619a81c14SSteve Longerbeam }, 341719a81c14SSteve Longerbeam .id_table = ov5640_id, 3418e6714993SKieran Bingham .probe_new = ov5640_probe, 341919a81c14SSteve Longerbeam .remove = ov5640_remove, 342019a81c14SSteve Longerbeam }; 342119a81c14SSteve Longerbeam 342219a81c14SSteve Longerbeam module_i2c_driver(ov5640_i2c_driver); 342319a81c14SSteve Longerbeam 342419a81c14SSteve Longerbeam MODULE_DESCRIPTION("OV5640 MIPI Camera Subdev Driver"); 342519a81c14SSteve Longerbeam MODULE_LICENSE("GPL"); 3426