11283b3b8SDave Stevenson // SPDX-License-Identifier: GPL-2.0 21283b3b8SDave Stevenson /* 31283b3b8SDave Stevenson * A V4L2 driver for Sony IMX219 cameras. 41283b3b8SDave Stevenson * Copyright (C) 2019, Raspberry Pi (Trading) Ltd 51283b3b8SDave Stevenson * 61283b3b8SDave Stevenson * Based on Sony imx258 camera driver 71283b3b8SDave Stevenson * Copyright (C) 2018 Intel Corporation 81283b3b8SDave Stevenson * 91283b3b8SDave Stevenson * DT / fwnode changes, and regulator / GPIO control taken from imx214 driver 101283b3b8SDave Stevenson * Copyright 2018 Qtechnology A/S 111283b3b8SDave Stevenson * 121283b3b8SDave Stevenson * Flip handling taken from the Sony IMX319 driver. 131283b3b8SDave Stevenson * Copyright (C) 2018 Intel Corporation 141283b3b8SDave Stevenson * 151283b3b8SDave Stevenson */ 161283b3b8SDave Stevenson 171283b3b8SDave Stevenson #include <linux/clk.h> 181283b3b8SDave Stevenson #include <linux/delay.h> 191283b3b8SDave Stevenson #include <linux/gpio/consumer.h> 201283b3b8SDave Stevenson #include <linux/i2c.h> 211283b3b8SDave Stevenson #include <linux/module.h> 221283b3b8SDave Stevenson #include <linux/pm_runtime.h> 231283b3b8SDave Stevenson #include <linux/regulator/consumer.h> 241283b3b8SDave Stevenson #include <media/v4l2-ctrls.h> 251283b3b8SDave Stevenson #include <media/v4l2-device.h> 261283b3b8SDave Stevenson #include <media/v4l2-event.h> 271283b3b8SDave Stevenson #include <media/v4l2-fwnode.h> 281283b3b8SDave Stevenson #include <media/v4l2-mediabus.h> 291283b3b8SDave Stevenson #include <asm/unaligned.h> 301283b3b8SDave Stevenson 311283b3b8SDave Stevenson #define IMX219_REG_VALUE_08BIT 1 321283b3b8SDave Stevenson #define IMX219_REG_VALUE_16BIT 2 331283b3b8SDave Stevenson 341283b3b8SDave Stevenson #define IMX219_REG_MODE_SELECT 0x0100 351283b3b8SDave Stevenson #define IMX219_MODE_STANDBY 0x00 361283b3b8SDave Stevenson #define IMX219_MODE_STREAMING 0x01 371283b3b8SDave Stevenson 381283b3b8SDave Stevenson /* Chip ID */ 391283b3b8SDave Stevenson #define IMX219_REG_CHIP_ID 0x0000 401283b3b8SDave Stevenson #define IMX219_CHIP_ID 0x0219 411283b3b8SDave Stevenson 421283b3b8SDave Stevenson /* External clock frequency is 24.0M */ 431283b3b8SDave Stevenson #define IMX219_XCLK_FREQ 24000000 441283b3b8SDave Stevenson 45ceddfd44SAdam Ford /* Pixel rate is fixed for all the modes */ 461283b3b8SDave Stevenson #define IMX219_PIXEL_RATE 182400000 47ceddfd44SAdam Ford #define IMX219_PIXEL_RATE_4LANE 280800000 481283b3b8SDave Stevenson 491283b3b8SDave Stevenson #define IMX219_DEFAULT_LINK_FREQ 456000000 50ceddfd44SAdam Ford #define IMX219_DEFAULT_LINK_FREQ_4LANE 363000000 51ceddfd44SAdam Ford 52ceddfd44SAdam Ford #define IMX219_REG_CSI_LANE_MODE 0x0114 53ceddfd44SAdam Ford #define IMX219_CSI_2_LANE_MODE 0x01 54ceddfd44SAdam Ford #define IMX219_CSI_4_LANE_MODE 0x03 551283b3b8SDave Stevenson 561283b3b8SDave Stevenson /* V_TIMING internal */ 571283b3b8SDave Stevenson #define IMX219_REG_VTS 0x0160 581283b3b8SDave Stevenson #define IMX219_VTS_15FPS 0x0dc6 591283b3b8SDave Stevenson #define IMX219_VTS_30FPS_1080P 0x06e3 601283b3b8SDave Stevenson #define IMX219_VTS_30FPS_BINNED 0x06e3 6125130b8aSLad Prabhakar #define IMX219_VTS_30FPS_640x480 0x06e3 621283b3b8SDave Stevenson #define IMX219_VTS_MAX 0xffff 631283b3b8SDave Stevenson 641283b3b8SDave Stevenson #define IMX219_VBLANK_MIN 4 651283b3b8SDave Stevenson 661283b3b8SDave Stevenson /*Frame Length Line*/ 671283b3b8SDave Stevenson #define IMX219_FLL_MIN 0x08a6 681283b3b8SDave Stevenson #define IMX219_FLL_MAX 0xffff 691283b3b8SDave Stevenson #define IMX219_FLL_STEP 1 701283b3b8SDave Stevenson #define IMX219_FLL_DEFAULT 0x0c98 711283b3b8SDave Stevenson 721283b3b8SDave Stevenson /* HBLANK control - read only */ 731283b3b8SDave Stevenson #define IMX219_PPL_DEFAULT 3448 741283b3b8SDave Stevenson 751283b3b8SDave Stevenson /* Exposure control */ 761283b3b8SDave Stevenson #define IMX219_REG_EXPOSURE 0x015a 771283b3b8SDave Stevenson #define IMX219_EXPOSURE_MIN 4 781283b3b8SDave Stevenson #define IMX219_EXPOSURE_STEP 1 791283b3b8SDave Stevenson #define IMX219_EXPOSURE_DEFAULT 0x640 801283b3b8SDave Stevenson #define IMX219_EXPOSURE_MAX 65535 811283b3b8SDave Stevenson 821283b3b8SDave Stevenson /* Analog gain control */ 831283b3b8SDave Stevenson #define IMX219_REG_ANALOG_GAIN 0x0157 841283b3b8SDave Stevenson #define IMX219_ANA_GAIN_MIN 0 851283b3b8SDave Stevenson #define IMX219_ANA_GAIN_MAX 232 861283b3b8SDave Stevenson #define IMX219_ANA_GAIN_STEP 1 871283b3b8SDave Stevenson #define IMX219_ANA_GAIN_DEFAULT 0x0 881283b3b8SDave Stevenson 891283b3b8SDave Stevenson /* Digital gain control */ 901283b3b8SDave Stevenson #define IMX219_REG_DIGITAL_GAIN 0x0158 911283b3b8SDave Stevenson #define IMX219_DGTL_GAIN_MIN 0x0100 921283b3b8SDave Stevenson #define IMX219_DGTL_GAIN_MAX 0x0fff 931283b3b8SDave Stevenson #define IMX219_DGTL_GAIN_DEFAULT 0x0100 941283b3b8SDave Stevenson #define IMX219_DGTL_GAIN_STEP 1 951283b3b8SDave Stevenson 961283b3b8SDave Stevenson #define IMX219_REG_ORIENTATION 0x0172 971283b3b8SDave Stevenson 98ef86447eSJai Luthra /* Binning Mode */ 99ef86447eSJai Luthra #define IMX219_REG_BINNING_MODE 0x0174 100ef86447eSJai Luthra #define IMX219_BINNING_NONE 0x0000 101ef86447eSJai Luthra #define IMX219_BINNING_2X2 0x0101 102ef86447eSJai Luthra #define IMX219_BINNING_2X2_ANALOG 0x0303 103ef86447eSJai Luthra 1041283b3b8SDave Stevenson /* Test Pattern Control */ 1051283b3b8SDave Stevenson #define IMX219_REG_TEST_PATTERN 0x0600 1061283b3b8SDave Stevenson #define IMX219_TEST_PATTERN_DISABLE 0 1071283b3b8SDave Stevenson #define IMX219_TEST_PATTERN_SOLID_COLOR 1 1081283b3b8SDave Stevenson #define IMX219_TEST_PATTERN_COLOR_BARS 2 1091283b3b8SDave Stevenson #define IMX219_TEST_PATTERN_GREY_COLOR 3 1101283b3b8SDave Stevenson #define IMX219_TEST_PATTERN_PN9 4 1111283b3b8SDave Stevenson 1121283b3b8SDave Stevenson /* Test pattern colour components */ 1131283b3b8SDave Stevenson #define IMX219_REG_TESTP_RED 0x0602 1141283b3b8SDave Stevenson #define IMX219_REG_TESTP_GREENR 0x0604 1151283b3b8SDave Stevenson #define IMX219_REG_TESTP_BLUE 0x0606 1161283b3b8SDave Stevenson #define IMX219_REG_TESTP_GREENB 0x0608 1171283b3b8SDave Stevenson #define IMX219_TESTP_COLOUR_MIN 0 1181283b3b8SDave Stevenson #define IMX219_TESTP_COLOUR_MAX 0x03ff 1191283b3b8SDave Stevenson #define IMX219_TESTP_COLOUR_STEP 1 1201283b3b8SDave Stevenson #define IMX219_TESTP_RED_DEFAULT IMX219_TESTP_COLOUR_MAX 1211283b3b8SDave Stevenson #define IMX219_TESTP_GREENR_DEFAULT 0 1221283b3b8SDave Stevenson #define IMX219_TESTP_BLUE_DEFAULT 0 1231283b3b8SDave Stevenson #define IMX219_TESTP_GREENB_DEFAULT 0 1241283b3b8SDave Stevenson 125e6d4ef7dSJacopo Mondi /* IMX219 native and active pixel array size. */ 126e6d4ef7dSJacopo Mondi #define IMX219_NATIVE_WIDTH 3296U 127e6d4ef7dSJacopo Mondi #define IMX219_NATIVE_HEIGHT 2480U 128e6d4ef7dSJacopo Mondi #define IMX219_PIXEL_ARRAY_LEFT 8U 129e6d4ef7dSJacopo Mondi #define IMX219_PIXEL_ARRAY_TOP 8U 130e6d4ef7dSJacopo Mondi #define IMX219_PIXEL_ARRAY_WIDTH 3280U 131e6d4ef7dSJacopo Mondi #define IMX219_PIXEL_ARRAY_HEIGHT 2464U 132e6d4ef7dSJacopo Mondi 1331283b3b8SDave Stevenson struct imx219_reg { 1341283b3b8SDave Stevenson u16 address; 1351283b3b8SDave Stevenson u8 val; 1361283b3b8SDave Stevenson }; 1371283b3b8SDave Stevenson 1381283b3b8SDave Stevenson struct imx219_reg_list { 1391283b3b8SDave Stevenson unsigned int num_of_regs; 1401283b3b8SDave Stevenson const struct imx219_reg *regs; 1411283b3b8SDave Stevenson }; 1421283b3b8SDave Stevenson 1431283b3b8SDave Stevenson /* Mode : resolution and related config&values */ 1441283b3b8SDave Stevenson struct imx219_mode { 1451283b3b8SDave Stevenson /* Frame width */ 1461283b3b8SDave Stevenson unsigned int width; 1471283b3b8SDave Stevenson /* Frame height */ 1481283b3b8SDave Stevenson unsigned int height; 1491283b3b8SDave Stevenson 150e6d4ef7dSJacopo Mondi /* Analog crop rectangle. */ 151e6d4ef7dSJacopo Mondi struct v4l2_rect crop; 152e6d4ef7dSJacopo Mondi 1531283b3b8SDave Stevenson /* V-timing */ 1541283b3b8SDave Stevenson unsigned int vts_def; 1551283b3b8SDave Stevenson 1561283b3b8SDave Stevenson /* Default register values */ 1571283b3b8SDave Stevenson struct imx219_reg_list reg_list; 158ef86447eSJai Luthra 159ef86447eSJai Luthra /* 2x2 binning is used */ 160ef86447eSJai Luthra bool binning; 1611283b3b8SDave Stevenson }; 1621283b3b8SDave Stevenson 16385084559SAdam Ford static const struct imx219_reg imx219_common_regs[] = { 16485084559SAdam Ford {0x0100, 0x00}, /* Mode Select */ 16585084559SAdam Ford 16685084559SAdam Ford /* To Access Addresses 3000-5fff, send the following commands */ 1671283b3b8SDave Stevenson {0x30eb, 0x0c}, 1681283b3b8SDave Stevenson {0x30eb, 0x05}, 1691283b3b8SDave Stevenson {0x300a, 0xff}, 1701283b3b8SDave Stevenson {0x300b, 0xff}, 1711283b3b8SDave Stevenson {0x30eb, 0x05}, 1721283b3b8SDave Stevenson {0x30eb, 0x09}, 17385084559SAdam Ford 17485084559SAdam Ford /* PLL Clock Table */ 17585084559SAdam Ford {0x0301, 0x05}, /* VTPXCK_DIV */ 17685084559SAdam Ford {0x0303, 0x01}, /* VTSYSCK_DIV */ 17785084559SAdam Ford {0x0304, 0x03}, /* PREPLLCK_VT_DIV 0x03 = AUTO set */ 17885084559SAdam Ford {0x0305, 0x03}, /* PREPLLCK_OP_DIV 0x03 = AUTO set */ 17985084559SAdam Ford {0x0306, 0x00}, /* PLL_VT_MPY */ 18085084559SAdam Ford {0x0307, 0x39}, 18185084559SAdam Ford {0x030b, 0x01}, /* OP_SYS_CLK_DIV */ 18285084559SAdam Ford {0x030c, 0x00}, /* PLL_OP_MPY */ 18385084559SAdam Ford {0x030d, 0x72}, 18485084559SAdam Ford 18585084559SAdam Ford /* Undocumented registers */ 18685084559SAdam Ford {0x455e, 0x00}, 18785084559SAdam Ford {0x471e, 0x4b}, 18885084559SAdam Ford {0x4767, 0x0f}, 18985084559SAdam Ford {0x4750, 0x14}, 19085084559SAdam Ford {0x4540, 0x00}, 19185084559SAdam Ford {0x47b4, 0x14}, 19285084559SAdam Ford {0x4713, 0x30}, 19385084559SAdam Ford {0x478b, 0x10}, 19485084559SAdam Ford {0x478f, 0x10}, 19585084559SAdam Ford {0x4793, 0x10}, 19685084559SAdam Ford {0x4797, 0x0e}, 19785084559SAdam Ford {0x479b, 0x0e}, 19885084559SAdam Ford 19985084559SAdam Ford /* Frame Bank Register Group "A" */ 20085084559SAdam Ford {0x0162, 0x0d}, /* Line_Length_A */ 20185084559SAdam Ford {0x0163, 0x78}, 20285084559SAdam Ford {0x0170, 0x01}, /* X_ODD_INC_A */ 20385084559SAdam Ford {0x0171, 0x01}, /* Y_ODD_INC_A */ 20485084559SAdam Ford 20585084559SAdam Ford /* Output setup registers */ 20685084559SAdam Ford {0x0114, 0x01}, /* CSI 2-Lane Mode */ 20785084559SAdam Ford {0x0128, 0x00}, /* DPHY Auto Mode */ 20885084559SAdam Ford {0x012a, 0x18}, /* EXCK_Freq */ 2091283b3b8SDave Stevenson {0x012b, 0x00}, 21085084559SAdam Ford }; 21185084559SAdam Ford 21285084559SAdam Ford /* 21385084559SAdam Ford * Register sets lifted off the i2C interface from the Raspberry Pi firmware 21485084559SAdam Ford * driver. 21585084559SAdam Ford * 3280x2464 = mode 2, 1920x1080 = mode 1, 1640x1232 = mode 4, 640x480 = mode 7. 21685084559SAdam Ford */ 21785084559SAdam Ford static const struct imx219_reg mode_3280x2464_regs[] = { 2181283b3b8SDave Stevenson {0x0164, 0x00}, 2191283b3b8SDave Stevenson {0x0165, 0x00}, 2201283b3b8SDave Stevenson {0x0166, 0x0c}, 2211283b3b8SDave Stevenson {0x0167, 0xcf}, 2221283b3b8SDave Stevenson {0x0168, 0x00}, 2231283b3b8SDave Stevenson {0x0169, 0x00}, 2241283b3b8SDave Stevenson {0x016a, 0x09}, 2251283b3b8SDave Stevenson {0x016b, 0x9f}, 2261283b3b8SDave Stevenson {0x016c, 0x0c}, 2271283b3b8SDave Stevenson {0x016d, 0xd0}, 2281283b3b8SDave Stevenson {0x016e, 0x09}, 2291283b3b8SDave Stevenson {0x016f, 0xa0}, 2301283b3b8SDave Stevenson {0x0624, 0x0c}, 2311283b3b8SDave Stevenson {0x0625, 0xd0}, 2321283b3b8SDave Stevenson {0x0626, 0x09}, 2331283b3b8SDave Stevenson {0x0627, 0xa0}, 2341283b3b8SDave Stevenson }; 2351283b3b8SDave Stevenson 2361283b3b8SDave Stevenson static const struct imx219_reg mode_1920_1080_regs[] = { 2371283b3b8SDave Stevenson {0x0164, 0x02}, 2381283b3b8SDave Stevenson {0x0165, 0xa8}, 2391283b3b8SDave Stevenson {0x0166, 0x0a}, 2401283b3b8SDave Stevenson {0x0167, 0x27}, 2411283b3b8SDave Stevenson {0x0168, 0x02}, 2421283b3b8SDave Stevenson {0x0169, 0xb4}, 2431283b3b8SDave Stevenson {0x016a, 0x06}, 2441283b3b8SDave Stevenson {0x016b, 0xeb}, 2451283b3b8SDave Stevenson {0x016c, 0x07}, 2461283b3b8SDave Stevenson {0x016d, 0x80}, 2471283b3b8SDave Stevenson {0x016e, 0x04}, 2481283b3b8SDave Stevenson {0x016f, 0x38}, 2491283b3b8SDave Stevenson {0x0624, 0x07}, 2501283b3b8SDave Stevenson {0x0625, 0x80}, 2511283b3b8SDave Stevenson {0x0626, 0x04}, 2521283b3b8SDave Stevenson {0x0627, 0x38}, 2531283b3b8SDave Stevenson }; 2541283b3b8SDave Stevenson 2551283b3b8SDave Stevenson static const struct imx219_reg mode_1640_1232_regs[] = { 2561283b3b8SDave Stevenson {0x0164, 0x00}, 2571283b3b8SDave Stevenson {0x0165, 0x00}, 2581283b3b8SDave Stevenson {0x0166, 0x0c}, 2591283b3b8SDave Stevenson {0x0167, 0xcf}, 2601283b3b8SDave Stevenson {0x0168, 0x00}, 2611283b3b8SDave Stevenson {0x0169, 0x00}, 2621283b3b8SDave Stevenson {0x016a, 0x09}, 2631283b3b8SDave Stevenson {0x016b, 0x9f}, 2641283b3b8SDave Stevenson {0x016c, 0x06}, 2651283b3b8SDave Stevenson {0x016d, 0x68}, 2661283b3b8SDave Stevenson {0x016e, 0x04}, 2671283b3b8SDave Stevenson {0x016f, 0xd0}, 2681283b3b8SDave Stevenson {0x0624, 0x06}, 2691283b3b8SDave Stevenson {0x0625, 0x68}, 2701283b3b8SDave Stevenson {0x0626, 0x04}, 2711283b3b8SDave Stevenson {0x0627, 0xd0}, 2721283b3b8SDave Stevenson }; 2731283b3b8SDave Stevenson 27425130b8aSLad Prabhakar static const struct imx219_reg mode_640_480_regs[] = { 27525130b8aSLad Prabhakar {0x0164, 0x03}, 27625130b8aSLad Prabhakar {0x0165, 0xe8}, 27725130b8aSLad Prabhakar {0x0166, 0x08}, 27825130b8aSLad Prabhakar {0x0167, 0xe7}, 27925130b8aSLad Prabhakar {0x0168, 0x02}, 28025130b8aSLad Prabhakar {0x0169, 0xf0}, 28125130b8aSLad Prabhakar {0x016a, 0x06}, 28225130b8aSLad Prabhakar {0x016b, 0xaf}, 28325130b8aSLad Prabhakar {0x016c, 0x02}, 28425130b8aSLad Prabhakar {0x016d, 0x80}, 28525130b8aSLad Prabhakar {0x016e, 0x01}, 28625130b8aSLad Prabhakar {0x016f, 0xe0}, 28725130b8aSLad Prabhakar {0x0624, 0x06}, 28825130b8aSLad Prabhakar {0x0625, 0x68}, 28925130b8aSLad Prabhakar {0x0626, 0x04}, 29025130b8aSLad Prabhakar {0x0627, 0xd0}, 29125130b8aSLad Prabhakar }; 29225130b8aSLad Prabhakar 29322da1d56SLad Prabhakar static const struct imx219_reg raw8_framefmt_regs[] = { 29422da1d56SLad Prabhakar {0x018c, 0x08}, 29522da1d56SLad Prabhakar {0x018d, 0x08}, 29622da1d56SLad Prabhakar {0x0309, 0x08}, 29722da1d56SLad Prabhakar }; 29822da1d56SLad Prabhakar 29922da1d56SLad Prabhakar static const struct imx219_reg raw10_framefmt_regs[] = { 30022da1d56SLad Prabhakar {0x018c, 0x0a}, 30122da1d56SLad Prabhakar {0x018d, 0x0a}, 30222da1d56SLad Prabhakar {0x0309, 0x0a}, 30322da1d56SLad Prabhakar }; 30422da1d56SLad Prabhakar 30549b94d58SAndrey Konovalov static const s64 imx219_link_freq_menu[] = { 30649b94d58SAndrey Konovalov IMX219_DEFAULT_LINK_FREQ, 30749b94d58SAndrey Konovalov }; 30849b94d58SAndrey Konovalov 309ceddfd44SAdam Ford static const s64 imx219_link_freq_4lane_menu[] = { 310ceddfd44SAdam Ford IMX219_DEFAULT_LINK_FREQ_4LANE, 311ceddfd44SAdam Ford }; 312ceddfd44SAdam Ford 3131283b3b8SDave Stevenson static const char * const imx219_test_pattern_menu[] = { 3141283b3b8SDave Stevenson "Disabled", 3151283b3b8SDave Stevenson "Color Bars", 3161283b3b8SDave Stevenson "Solid Color", 3171283b3b8SDave Stevenson "Grey Color Bars", 3181283b3b8SDave Stevenson "PN9" 3191283b3b8SDave Stevenson }; 3201283b3b8SDave Stevenson 3211283b3b8SDave Stevenson static const int imx219_test_pattern_val[] = { 3221283b3b8SDave Stevenson IMX219_TEST_PATTERN_DISABLE, 3231283b3b8SDave Stevenson IMX219_TEST_PATTERN_COLOR_BARS, 3241283b3b8SDave Stevenson IMX219_TEST_PATTERN_SOLID_COLOR, 3251283b3b8SDave Stevenson IMX219_TEST_PATTERN_GREY_COLOR, 3261283b3b8SDave Stevenson IMX219_TEST_PATTERN_PN9, 3271283b3b8SDave Stevenson }; 3281283b3b8SDave Stevenson 3291283b3b8SDave Stevenson /* regulator supplies */ 3301283b3b8SDave Stevenson static const char * const imx219_supply_name[] = { 3311283b3b8SDave Stevenson /* Supplies can be enabled in any order */ 3321283b3b8SDave Stevenson "VANA", /* Analog (2.8V) supply */ 3331283b3b8SDave Stevenson "VDIG", /* Digital Core (1.8V) supply */ 3341283b3b8SDave Stevenson "VDDL", /* IF (1.2V) supply */ 3351283b3b8SDave Stevenson }; 3361283b3b8SDave Stevenson 3371283b3b8SDave Stevenson #define IMX219_NUM_SUPPLIES ARRAY_SIZE(imx219_supply_name) 3381283b3b8SDave Stevenson 3391283b3b8SDave Stevenson /* 34022da1d56SLad Prabhakar * The supported formats. 34122da1d56SLad Prabhakar * This table MUST contain 4 entries per format, to cover the various flip 34222da1d56SLad Prabhakar * combinations in the order 34322da1d56SLad Prabhakar * - no flip 34422da1d56SLad Prabhakar * - h flip 34522da1d56SLad Prabhakar * - v flip 34622da1d56SLad Prabhakar * - h&v flips 34722da1d56SLad Prabhakar */ 348917e26cbSJean-Michel Hautbois static const u32 imx219_mbus_formats[] = { 34922da1d56SLad Prabhakar MEDIA_BUS_FMT_SRGGB10_1X10, 35022da1d56SLad Prabhakar MEDIA_BUS_FMT_SGRBG10_1X10, 35122da1d56SLad Prabhakar MEDIA_BUS_FMT_SGBRG10_1X10, 35222da1d56SLad Prabhakar MEDIA_BUS_FMT_SBGGR10_1X10, 35322da1d56SLad Prabhakar 35422da1d56SLad Prabhakar MEDIA_BUS_FMT_SRGGB8_1X8, 35522da1d56SLad Prabhakar MEDIA_BUS_FMT_SGRBG8_1X8, 35622da1d56SLad Prabhakar MEDIA_BUS_FMT_SGBRG8_1X8, 35722da1d56SLad Prabhakar MEDIA_BUS_FMT_SBGGR8_1X8, 35822da1d56SLad Prabhakar }; 35922da1d56SLad Prabhakar 36022da1d56SLad Prabhakar /* 3611283b3b8SDave Stevenson * Initialisation delay between XCLR low->high and the moment when the sensor 3621283b3b8SDave Stevenson * can start capture (i.e. can leave software stanby) must be not less than: 3631283b3b8SDave Stevenson * t4 + max(t5, t6 + <time to initialize the sensor register over I2C>) 3641283b3b8SDave Stevenson * where 3651283b3b8SDave Stevenson * t4 is fixed, and is max 200uS, 3661283b3b8SDave Stevenson * t5 is fixed, and is 6000uS, 3671283b3b8SDave Stevenson * t6 depends on the sensor external clock, and is max 32000 clock periods. 3681283b3b8SDave Stevenson * As per sensor datasheet, the external clock must be from 6MHz to 27MHz. 3691283b3b8SDave Stevenson * So for any acceptable external clock t6 is always within the range of 3701283b3b8SDave Stevenson * 1185 to 5333 uS, and is always less than t5. 3711283b3b8SDave Stevenson * For this reason this is always safe to wait (t4 + t5) = 6200 uS, then 3721283b3b8SDave Stevenson * initialize the sensor over I2C, and then exit the software standby. 3731283b3b8SDave Stevenson * 3741283b3b8SDave Stevenson * This start-up time can be optimized a bit more, if we start the writes 3751283b3b8SDave Stevenson * over I2C after (t4+t6), but before (t4+t5) expires. But then sensor 3761283b3b8SDave Stevenson * initialization over I2C may complete before (t4+t5) expires, and we must 3771283b3b8SDave Stevenson * ensure that capture is not started before (t4+t5). 3781283b3b8SDave Stevenson * 3791283b3b8SDave Stevenson * This delay doesn't account for the power supply startup time. If needed, 3801283b3b8SDave Stevenson * this should be taken care of via the regulator framework. E.g. in the 3811283b3b8SDave Stevenson * case of DT for regulator-fixed one should define the startup-delay-us 3821283b3b8SDave Stevenson * property. 3831283b3b8SDave Stevenson */ 3841283b3b8SDave Stevenson #define IMX219_XCLR_MIN_DELAY_US 6200 3851283b3b8SDave Stevenson #define IMX219_XCLR_DELAY_RANGE_US 1000 3861283b3b8SDave Stevenson 3871283b3b8SDave Stevenson /* Mode configs */ 3881283b3b8SDave Stevenson static const struct imx219_mode supported_modes[] = { 3891283b3b8SDave Stevenson { 3901283b3b8SDave Stevenson /* 8MPix 15fps mode */ 3911283b3b8SDave Stevenson .width = 3280, 3921283b3b8SDave Stevenson .height = 2464, 393e6d4ef7dSJacopo Mondi .crop = { 3941ed36ecdSHans Verkuil .left = IMX219_PIXEL_ARRAY_LEFT, 3951ed36ecdSHans Verkuil .top = IMX219_PIXEL_ARRAY_TOP, 396e6d4ef7dSJacopo Mondi .width = 3280, 397e6d4ef7dSJacopo Mondi .height = 2464 398e6d4ef7dSJacopo Mondi }, 3991283b3b8SDave Stevenson .vts_def = IMX219_VTS_15FPS, 4001283b3b8SDave Stevenson .reg_list = { 4011283b3b8SDave Stevenson .num_of_regs = ARRAY_SIZE(mode_3280x2464_regs), 4021283b3b8SDave Stevenson .regs = mode_3280x2464_regs, 4031283b3b8SDave Stevenson }, 404ef86447eSJai Luthra .binning = false, 4051283b3b8SDave Stevenson }, 4061283b3b8SDave Stevenson { 4071283b3b8SDave Stevenson /* 1080P 30fps cropped */ 4081283b3b8SDave Stevenson .width = 1920, 4091283b3b8SDave Stevenson .height = 1080, 410e6d4ef7dSJacopo Mondi .crop = { 4111ed36ecdSHans Verkuil .left = 688, 4121ed36ecdSHans Verkuil .top = 700, 413e6d4ef7dSJacopo Mondi .width = 1920, 414e6d4ef7dSJacopo Mondi .height = 1080 415e6d4ef7dSJacopo Mondi }, 4161283b3b8SDave Stevenson .vts_def = IMX219_VTS_30FPS_1080P, 4171283b3b8SDave Stevenson .reg_list = { 4181283b3b8SDave Stevenson .num_of_regs = ARRAY_SIZE(mode_1920_1080_regs), 4191283b3b8SDave Stevenson .regs = mode_1920_1080_regs, 4201283b3b8SDave Stevenson }, 421ef86447eSJai Luthra .binning = false, 4221283b3b8SDave Stevenson }, 4231283b3b8SDave Stevenson { 4241283b3b8SDave Stevenson /* 2x2 binned 30fps mode */ 4251283b3b8SDave Stevenson .width = 1640, 4261283b3b8SDave Stevenson .height = 1232, 427e6d4ef7dSJacopo Mondi .crop = { 4281ed36ecdSHans Verkuil .left = IMX219_PIXEL_ARRAY_LEFT, 4291ed36ecdSHans Verkuil .top = IMX219_PIXEL_ARRAY_TOP, 430e6d4ef7dSJacopo Mondi .width = 3280, 431e6d4ef7dSJacopo Mondi .height = 2464 432e6d4ef7dSJacopo Mondi }, 4331283b3b8SDave Stevenson .vts_def = IMX219_VTS_30FPS_BINNED, 4341283b3b8SDave Stevenson .reg_list = { 4351283b3b8SDave Stevenson .num_of_regs = ARRAY_SIZE(mode_1640_1232_regs), 4361283b3b8SDave Stevenson .regs = mode_1640_1232_regs, 4371283b3b8SDave Stevenson }, 438ef86447eSJai Luthra .binning = true, 4391283b3b8SDave Stevenson }, 44025130b8aSLad Prabhakar { 44125130b8aSLad Prabhakar /* 640x480 30fps mode */ 44225130b8aSLad Prabhakar .width = 640, 44325130b8aSLad Prabhakar .height = 480, 444e6d4ef7dSJacopo Mondi .crop = { 4451ed36ecdSHans Verkuil .left = 1008, 4461ed36ecdSHans Verkuil .top = 760, 447e6d4ef7dSJacopo Mondi .width = 1280, 448e6d4ef7dSJacopo Mondi .height = 960 449e6d4ef7dSJacopo Mondi }, 45025130b8aSLad Prabhakar .vts_def = IMX219_VTS_30FPS_640x480, 45125130b8aSLad Prabhakar .reg_list = { 45225130b8aSLad Prabhakar .num_of_regs = ARRAY_SIZE(mode_640_480_regs), 45325130b8aSLad Prabhakar .regs = mode_640_480_regs, 45425130b8aSLad Prabhakar }, 455ef86447eSJai Luthra .binning = true, 45625130b8aSLad Prabhakar }, 4571283b3b8SDave Stevenson }; 4581283b3b8SDave Stevenson 4591283b3b8SDave Stevenson struct imx219 { 4601283b3b8SDave Stevenson struct v4l2_subdev sd; 4611283b3b8SDave Stevenson struct media_pad pad; 4621283b3b8SDave Stevenson 46322da1d56SLad Prabhakar struct v4l2_mbus_framefmt fmt; 46422da1d56SLad Prabhakar 4651283b3b8SDave Stevenson struct clk *xclk; /* system clock to IMX219 */ 4661283b3b8SDave Stevenson u32 xclk_freq; 4671283b3b8SDave Stevenson 4681283b3b8SDave Stevenson struct gpio_desc *reset_gpio; 4691283b3b8SDave Stevenson struct regulator_bulk_data supplies[IMX219_NUM_SUPPLIES]; 4701283b3b8SDave Stevenson 4711283b3b8SDave Stevenson struct v4l2_ctrl_handler ctrl_handler; 4721283b3b8SDave Stevenson /* V4L2 Controls */ 4731283b3b8SDave Stevenson struct v4l2_ctrl *pixel_rate; 47449b94d58SAndrey Konovalov struct v4l2_ctrl *link_freq; 4751283b3b8SDave Stevenson struct v4l2_ctrl *exposure; 4761283b3b8SDave Stevenson struct v4l2_ctrl *vflip; 4771283b3b8SDave Stevenson struct v4l2_ctrl *hflip; 4781283b3b8SDave Stevenson struct v4l2_ctrl *vblank; 4791283b3b8SDave Stevenson struct v4l2_ctrl *hblank; 4801283b3b8SDave Stevenson 4811283b3b8SDave Stevenson /* Current mode */ 4821283b3b8SDave Stevenson const struct imx219_mode *mode; 4831283b3b8SDave Stevenson 4841283b3b8SDave Stevenson /* 4851283b3b8SDave Stevenson * Mutex for serialized access: 4861283b3b8SDave Stevenson * Protect sensor module set pad format and start/stop streaming safely. 4871283b3b8SDave Stevenson */ 4881283b3b8SDave Stevenson struct mutex mutex; 4891283b3b8SDave Stevenson 4901283b3b8SDave Stevenson /* Streaming on/off */ 4911283b3b8SDave Stevenson bool streaming; 492ceddfd44SAdam Ford 493ceddfd44SAdam Ford /* Two or Four lanes */ 494ceddfd44SAdam Ford u8 lanes; 4951283b3b8SDave Stevenson }; 4961283b3b8SDave Stevenson 4971283b3b8SDave Stevenson static inline struct imx219 *to_imx219(struct v4l2_subdev *_sd) 4981283b3b8SDave Stevenson { 4991283b3b8SDave Stevenson return container_of(_sd, struct imx219, sd); 5001283b3b8SDave Stevenson } 5011283b3b8SDave Stevenson 5021283b3b8SDave Stevenson /* Read registers up to 2 at a time */ 5031283b3b8SDave Stevenson static int imx219_read_reg(struct imx219 *imx219, u16 reg, u32 len, u32 *val) 5041283b3b8SDave Stevenson { 5051283b3b8SDave Stevenson struct i2c_client *client = v4l2_get_subdevdata(&imx219->sd); 5061283b3b8SDave Stevenson struct i2c_msg msgs[2]; 5071283b3b8SDave Stevenson u8 addr_buf[2] = { reg >> 8, reg & 0xff }; 5081283b3b8SDave Stevenson u8 data_buf[4] = { 0, }; 5091283b3b8SDave Stevenson int ret; 5101283b3b8SDave Stevenson 5111283b3b8SDave Stevenson if (len > 4) 5121283b3b8SDave Stevenson return -EINVAL; 5131283b3b8SDave Stevenson 5141283b3b8SDave Stevenson /* Write register address */ 5151283b3b8SDave Stevenson msgs[0].addr = client->addr; 5161283b3b8SDave Stevenson msgs[0].flags = 0; 5171283b3b8SDave Stevenson msgs[0].len = ARRAY_SIZE(addr_buf); 5181283b3b8SDave Stevenson msgs[0].buf = addr_buf; 5191283b3b8SDave Stevenson 5201283b3b8SDave Stevenson /* Read data from register */ 5211283b3b8SDave Stevenson msgs[1].addr = client->addr; 5221283b3b8SDave Stevenson msgs[1].flags = I2C_M_RD; 5231283b3b8SDave Stevenson msgs[1].len = len; 5241283b3b8SDave Stevenson msgs[1].buf = &data_buf[4 - len]; 5251283b3b8SDave Stevenson 5261283b3b8SDave Stevenson ret = i2c_transfer(client->adapter, msgs, ARRAY_SIZE(msgs)); 5271283b3b8SDave Stevenson if (ret != ARRAY_SIZE(msgs)) 5281283b3b8SDave Stevenson return -EIO; 5291283b3b8SDave Stevenson 5301283b3b8SDave Stevenson *val = get_unaligned_be32(data_buf); 5311283b3b8SDave Stevenson 5321283b3b8SDave Stevenson return 0; 5331283b3b8SDave Stevenson } 5341283b3b8SDave Stevenson 5351283b3b8SDave Stevenson /* Write registers up to 2 at a time */ 5361283b3b8SDave Stevenson static int imx219_write_reg(struct imx219 *imx219, u16 reg, u32 len, u32 val) 5371283b3b8SDave Stevenson { 5381283b3b8SDave Stevenson struct i2c_client *client = v4l2_get_subdevdata(&imx219->sd); 5391283b3b8SDave Stevenson u8 buf[6]; 5401283b3b8SDave Stevenson 5411283b3b8SDave Stevenson if (len > 4) 5421283b3b8SDave Stevenson return -EINVAL; 5431283b3b8SDave Stevenson 5441283b3b8SDave Stevenson put_unaligned_be16(reg, buf); 5451283b3b8SDave Stevenson put_unaligned_be32(val << (8 * (4 - len)), buf + 2); 5461283b3b8SDave Stevenson if (i2c_master_send(client, buf, len + 2) != len + 2) 5471283b3b8SDave Stevenson return -EIO; 5481283b3b8SDave Stevenson 5491283b3b8SDave Stevenson return 0; 5501283b3b8SDave Stevenson } 5511283b3b8SDave Stevenson 5521283b3b8SDave Stevenson /* Write a list of registers */ 5531283b3b8SDave Stevenson static int imx219_write_regs(struct imx219 *imx219, 5541283b3b8SDave Stevenson const struct imx219_reg *regs, u32 len) 5551283b3b8SDave Stevenson { 5561283b3b8SDave Stevenson struct i2c_client *client = v4l2_get_subdevdata(&imx219->sd); 5571283b3b8SDave Stevenson unsigned int i; 5581283b3b8SDave Stevenson int ret; 5591283b3b8SDave Stevenson 5601283b3b8SDave Stevenson for (i = 0; i < len; i++) { 5611283b3b8SDave Stevenson ret = imx219_write_reg(imx219, regs[i].address, 1, regs[i].val); 5621283b3b8SDave Stevenson if (ret) { 5631283b3b8SDave Stevenson dev_err_ratelimited(&client->dev, 5641283b3b8SDave Stevenson "Failed to write reg 0x%4.4x. error = %d\n", 5651283b3b8SDave Stevenson regs[i].address, ret); 5661283b3b8SDave Stevenson 5671283b3b8SDave Stevenson return ret; 5681283b3b8SDave Stevenson } 5691283b3b8SDave Stevenson } 5701283b3b8SDave Stevenson 5711283b3b8SDave Stevenson return 0; 5721283b3b8SDave Stevenson } 5731283b3b8SDave Stevenson 5741283b3b8SDave Stevenson /* Get bayer order based on flip setting. */ 57522da1d56SLad Prabhakar static u32 imx219_get_format_code(struct imx219 *imx219, u32 code) 5761283b3b8SDave Stevenson { 57722da1d56SLad Prabhakar unsigned int i; 5781283b3b8SDave Stevenson 5791283b3b8SDave Stevenson lockdep_assert_held(&imx219->mutex); 58022da1d56SLad Prabhakar 581917e26cbSJean-Michel Hautbois for (i = 0; i < ARRAY_SIZE(imx219_mbus_formats); i++) 582917e26cbSJean-Michel Hautbois if (imx219_mbus_formats[i] == code) 58322da1d56SLad Prabhakar break; 58422da1d56SLad Prabhakar 585917e26cbSJean-Michel Hautbois if (i >= ARRAY_SIZE(imx219_mbus_formats)) 58622da1d56SLad Prabhakar i = 0; 58722da1d56SLad Prabhakar 58822da1d56SLad Prabhakar i = (i & ~3) | (imx219->vflip->val ? 2 : 0) | 58922da1d56SLad Prabhakar (imx219->hflip->val ? 1 : 0); 59022da1d56SLad Prabhakar 591917e26cbSJean-Michel Hautbois return imx219_mbus_formats[i]; 59222da1d56SLad Prabhakar } 59322da1d56SLad Prabhakar 59422da1d56SLad Prabhakar static void imx219_set_default_format(struct imx219 *imx219) 59522da1d56SLad Prabhakar { 59622da1d56SLad Prabhakar struct v4l2_mbus_framefmt *fmt; 59722da1d56SLad Prabhakar 59822da1d56SLad Prabhakar fmt = &imx219->fmt; 59922da1d56SLad Prabhakar fmt->code = MEDIA_BUS_FMT_SRGGB10_1X10; 60022da1d56SLad Prabhakar fmt->colorspace = V4L2_COLORSPACE_SRGB; 60122da1d56SLad Prabhakar fmt->ycbcr_enc = V4L2_MAP_YCBCR_ENC_DEFAULT(fmt->colorspace); 60222da1d56SLad Prabhakar fmt->quantization = V4L2_MAP_QUANTIZATION_DEFAULT(true, 60322da1d56SLad Prabhakar fmt->colorspace, 60422da1d56SLad Prabhakar fmt->ycbcr_enc); 60522da1d56SLad Prabhakar fmt->xfer_func = V4L2_MAP_XFER_FUNC_DEFAULT(fmt->colorspace); 60622da1d56SLad Prabhakar fmt->width = supported_modes[0].width; 60722da1d56SLad Prabhakar fmt->height = supported_modes[0].height; 60822da1d56SLad Prabhakar fmt->field = V4L2_FIELD_NONE; 6091283b3b8SDave Stevenson } 6101283b3b8SDave Stevenson 6111283b3b8SDave Stevenson static int imx219_set_ctrl(struct v4l2_ctrl *ctrl) 6121283b3b8SDave Stevenson { 6131283b3b8SDave Stevenson struct imx219 *imx219 = 6141283b3b8SDave Stevenson container_of(ctrl->handler, struct imx219, ctrl_handler); 6151283b3b8SDave Stevenson struct i2c_client *client = v4l2_get_subdevdata(&imx219->sd); 6161283b3b8SDave Stevenson int ret; 6171283b3b8SDave Stevenson 6181283b3b8SDave Stevenson if (ctrl->id == V4L2_CID_VBLANK) { 6191283b3b8SDave Stevenson int exposure_max, exposure_def; 6201283b3b8SDave Stevenson 6211283b3b8SDave Stevenson /* Update max exposure while meeting expected vblanking */ 6221283b3b8SDave Stevenson exposure_max = imx219->mode->height + ctrl->val - 4; 6231283b3b8SDave Stevenson exposure_def = (exposure_max < IMX219_EXPOSURE_DEFAULT) ? 6241283b3b8SDave Stevenson exposure_max : IMX219_EXPOSURE_DEFAULT; 6251283b3b8SDave Stevenson __v4l2_ctrl_modify_range(imx219->exposure, 6261283b3b8SDave Stevenson imx219->exposure->minimum, 6271283b3b8SDave Stevenson exposure_max, imx219->exposure->step, 6281283b3b8SDave Stevenson exposure_def); 6291283b3b8SDave Stevenson } 6301283b3b8SDave Stevenson 6311283b3b8SDave Stevenson /* 6321283b3b8SDave Stevenson * Applying V4L2 control value only happens 6331283b3b8SDave Stevenson * when power is up for streaming 6341283b3b8SDave Stevenson */ 6351283b3b8SDave Stevenson if (pm_runtime_get_if_in_use(&client->dev) == 0) 6361283b3b8SDave Stevenson return 0; 6371283b3b8SDave Stevenson 6381283b3b8SDave Stevenson switch (ctrl->id) { 6391283b3b8SDave Stevenson case V4L2_CID_ANALOGUE_GAIN: 6401283b3b8SDave Stevenson ret = imx219_write_reg(imx219, IMX219_REG_ANALOG_GAIN, 6411283b3b8SDave Stevenson IMX219_REG_VALUE_08BIT, ctrl->val); 6421283b3b8SDave Stevenson break; 6431283b3b8SDave Stevenson case V4L2_CID_EXPOSURE: 6441283b3b8SDave Stevenson ret = imx219_write_reg(imx219, IMX219_REG_EXPOSURE, 6451283b3b8SDave Stevenson IMX219_REG_VALUE_16BIT, ctrl->val); 6461283b3b8SDave Stevenson break; 6471283b3b8SDave Stevenson case V4L2_CID_DIGITAL_GAIN: 6481283b3b8SDave Stevenson ret = imx219_write_reg(imx219, IMX219_REG_DIGITAL_GAIN, 6491283b3b8SDave Stevenson IMX219_REG_VALUE_16BIT, ctrl->val); 6501283b3b8SDave Stevenson break; 6511283b3b8SDave Stevenson case V4L2_CID_TEST_PATTERN: 6521283b3b8SDave Stevenson ret = imx219_write_reg(imx219, IMX219_REG_TEST_PATTERN, 6531283b3b8SDave Stevenson IMX219_REG_VALUE_16BIT, 6541283b3b8SDave Stevenson imx219_test_pattern_val[ctrl->val]); 6551283b3b8SDave Stevenson break; 6561283b3b8SDave Stevenson case V4L2_CID_HFLIP: 6571283b3b8SDave Stevenson case V4L2_CID_VFLIP: 6581283b3b8SDave Stevenson ret = imx219_write_reg(imx219, IMX219_REG_ORIENTATION, 1, 6591283b3b8SDave Stevenson imx219->hflip->val | 6601283b3b8SDave Stevenson imx219->vflip->val << 1); 6611283b3b8SDave Stevenson break; 6621283b3b8SDave Stevenson case V4L2_CID_VBLANK: 6631283b3b8SDave Stevenson ret = imx219_write_reg(imx219, IMX219_REG_VTS, 6641283b3b8SDave Stevenson IMX219_REG_VALUE_16BIT, 6651283b3b8SDave Stevenson imx219->mode->height + ctrl->val); 6661283b3b8SDave Stevenson break; 6671283b3b8SDave Stevenson case V4L2_CID_TEST_PATTERN_RED: 6681283b3b8SDave Stevenson ret = imx219_write_reg(imx219, IMX219_REG_TESTP_RED, 6691283b3b8SDave Stevenson IMX219_REG_VALUE_16BIT, ctrl->val); 6701283b3b8SDave Stevenson break; 6711283b3b8SDave Stevenson case V4L2_CID_TEST_PATTERN_GREENR: 6721283b3b8SDave Stevenson ret = imx219_write_reg(imx219, IMX219_REG_TESTP_GREENR, 6731283b3b8SDave Stevenson IMX219_REG_VALUE_16BIT, ctrl->val); 6741283b3b8SDave Stevenson break; 6751283b3b8SDave Stevenson case V4L2_CID_TEST_PATTERN_BLUE: 6761283b3b8SDave Stevenson ret = imx219_write_reg(imx219, IMX219_REG_TESTP_BLUE, 6771283b3b8SDave Stevenson IMX219_REG_VALUE_16BIT, ctrl->val); 6781283b3b8SDave Stevenson break; 6791283b3b8SDave Stevenson case V4L2_CID_TEST_PATTERN_GREENB: 6801283b3b8SDave Stevenson ret = imx219_write_reg(imx219, IMX219_REG_TESTP_GREENB, 6811283b3b8SDave Stevenson IMX219_REG_VALUE_16BIT, ctrl->val); 6821283b3b8SDave Stevenson break; 6831283b3b8SDave Stevenson default: 6841283b3b8SDave Stevenson dev_info(&client->dev, 6851283b3b8SDave Stevenson "ctrl(id:0x%x,val:0x%x) is not handled\n", 6861283b3b8SDave Stevenson ctrl->id, ctrl->val); 6871283b3b8SDave Stevenson ret = -EINVAL; 6881283b3b8SDave Stevenson break; 6891283b3b8SDave Stevenson } 6901283b3b8SDave Stevenson 6911283b3b8SDave Stevenson pm_runtime_put(&client->dev); 6921283b3b8SDave Stevenson 6931283b3b8SDave Stevenson return ret; 6941283b3b8SDave Stevenson } 6951283b3b8SDave Stevenson 6961283b3b8SDave Stevenson static const struct v4l2_ctrl_ops imx219_ctrl_ops = { 6971283b3b8SDave Stevenson .s_ctrl = imx219_set_ctrl, 6981283b3b8SDave Stevenson }; 6991283b3b8SDave Stevenson 700*7e700847SJean-Michel Hautbois static int imx219_init_cfg(struct v4l2_subdev *sd, 701*7e700847SJean-Michel Hautbois struct v4l2_subdev_state *state) 702*7e700847SJean-Michel Hautbois { 703*7e700847SJean-Michel Hautbois struct imx219 *imx219 = to_imx219(sd); 704*7e700847SJean-Michel Hautbois struct v4l2_mbus_framefmt *format; 705*7e700847SJean-Michel Hautbois struct v4l2_rect *crop; 706*7e700847SJean-Michel Hautbois 707*7e700847SJean-Michel Hautbois /* imx219_get_format_code() wants mutex locked. */ 708*7e700847SJean-Michel Hautbois mutex_lock(&imx219->mutex); 709*7e700847SJean-Michel Hautbois 710*7e700847SJean-Michel Hautbois /* Initialize try_fmt */ 711*7e700847SJean-Michel Hautbois format = v4l2_subdev_get_pad_format(sd, state, 0); 712*7e700847SJean-Michel Hautbois format->width = supported_modes[0].width; 713*7e700847SJean-Michel Hautbois format->height = supported_modes[0].height; 714*7e700847SJean-Michel Hautbois format->code = imx219_get_format_code(imx219, 715*7e700847SJean-Michel Hautbois MEDIA_BUS_FMT_SRGGB10_1X10); 716*7e700847SJean-Michel Hautbois format->field = V4L2_FIELD_NONE; 717*7e700847SJean-Michel Hautbois 718*7e700847SJean-Michel Hautbois /* Initialize crop rectangle. */ 719*7e700847SJean-Michel Hautbois crop = v4l2_subdev_get_pad_crop(sd, state, 0); 720*7e700847SJean-Michel Hautbois crop->top = IMX219_PIXEL_ARRAY_TOP; 721*7e700847SJean-Michel Hautbois crop->left = IMX219_PIXEL_ARRAY_LEFT; 722*7e700847SJean-Michel Hautbois crop->width = IMX219_PIXEL_ARRAY_WIDTH; 723*7e700847SJean-Michel Hautbois crop->height = IMX219_PIXEL_ARRAY_HEIGHT; 724*7e700847SJean-Michel Hautbois 725*7e700847SJean-Michel Hautbois mutex_unlock(&imx219->mutex); 726*7e700847SJean-Michel Hautbois 727*7e700847SJean-Michel Hautbois return 0; 728*7e700847SJean-Michel Hautbois } 729*7e700847SJean-Michel Hautbois 7301283b3b8SDave Stevenson static int imx219_enum_mbus_code(struct v4l2_subdev *sd, 7310d346d2aSTomi Valkeinen struct v4l2_subdev_state *sd_state, 7321283b3b8SDave Stevenson struct v4l2_subdev_mbus_code_enum *code) 7331283b3b8SDave Stevenson { 7341283b3b8SDave Stevenson struct imx219 *imx219 = to_imx219(sd); 7351283b3b8SDave Stevenson 736917e26cbSJean-Michel Hautbois if (code->index >= (ARRAY_SIZE(imx219_mbus_formats) / 4)) 7371283b3b8SDave Stevenson return -EINVAL; 7381283b3b8SDave Stevenson 73981015221SHans Verkuil mutex_lock(&imx219->mutex); 740917e26cbSJean-Michel Hautbois code->code = imx219_get_format_code(imx219, imx219_mbus_formats[code->index * 4]); 74181015221SHans Verkuil mutex_unlock(&imx219->mutex); 7421283b3b8SDave Stevenson 7431283b3b8SDave Stevenson return 0; 7441283b3b8SDave Stevenson } 7451283b3b8SDave Stevenson 7461283b3b8SDave Stevenson static int imx219_enum_frame_size(struct v4l2_subdev *sd, 7470d346d2aSTomi Valkeinen struct v4l2_subdev_state *sd_state, 7481283b3b8SDave Stevenson struct v4l2_subdev_frame_size_enum *fse) 7491283b3b8SDave Stevenson { 7501283b3b8SDave Stevenson struct imx219 *imx219 = to_imx219(sd); 75181015221SHans Verkuil u32 code; 7521283b3b8SDave Stevenson 7531283b3b8SDave Stevenson if (fse->index >= ARRAY_SIZE(supported_modes)) 7541283b3b8SDave Stevenson return -EINVAL; 7551283b3b8SDave Stevenson 75681015221SHans Verkuil mutex_lock(&imx219->mutex); 75781015221SHans Verkuil code = imx219_get_format_code(imx219, fse->code); 75881015221SHans Verkuil mutex_unlock(&imx219->mutex); 75981015221SHans Verkuil if (fse->code != code) 7601283b3b8SDave Stevenson return -EINVAL; 7611283b3b8SDave Stevenson 7621283b3b8SDave Stevenson fse->min_width = supported_modes[fse->index].width; 7631283b3b8SDave Stevenson fse->max_width = fse->min_width; 7641283b3b8SDave Stevenson fse->min_height = supported_modes[fse->index].height; 7651283b3b8SDave Stevenson fse->max_height = fse->min_height; 7661283b3b8SDave Stevenson 7671283b3b8SDave Stevenson return 0; 7681283b3b8SDave Stevenson } 7691283b3b8SDave Stevenson 7701283b3b8SDave Stevenson static void imx219_reset_colorspace(struct v4l2_mbus_framefmt *fmt) 7711283b3b8SDave Stevenson { 7721283b3b8SDave Stevenson fmt->colorspace = V4L2_COLORSPACE_SRGB; 7731283b3b8SDave Stevenson fmt->ycbcr_enc = V4L2_MAP_YCBCR_ENC_DEFAULT(fmt->colorspace); 7741283b3b8SDave Stevenson fmt->quantization = V4L2_MAP_QUANTIZATION_DEFAULT(true, 7751283b3b8SDave Stevenson fmt->colorspace, 7761283b3b8SDave Stevenson fmt->ycbcr_enc); 7771283b3b8SDave Stevenson fmt->xfer_func = V4L2_MAP_XFER_FUNC_DEFAULT(fmt->colorspace); 7781283b3b8SDave Stevenson } 7791283b3b8SDave Stevenson 7801283b3b8SDave Stevenson static void imx219_update_pad_format(struct imx219 *imx219, 7811283b3b8SDave Stevenson const struct imx219_mode *mode, 7821283b3b8SDave Stevenson struct v4l2_subdev_format *fmt) 7831283b3b8SDave Stevenson { 7841283b3b8SDave Stevenson fmt->format.width = mode->width; 7851283b3b8SDave Stevenson fmt->format.height = mode->height; 7861283b3b8SDave Stevenson fmt->format.field = V4L2_FIELD_NONE; 7871283b3b8SDave Stevenson imx219_reset_colorspace(&fmt->format); 7881283b3b8SDave Stevenson } 7891283b3b8SDave Stevenson 7901283b3b8SDave Stevenson static int __imx219_get_pad_format(struct imx219 *imx219, 7910d346d2aSTomi Valkeinen struct v4l2_subdev_state *sd_state, 7921283b3b8SDave Stevenson struct v4l2_subdev_format *fmt) 7931283b3b8SDave Stevenson { 7941283b3b8SDave Stevenson if (fmt->which == V4L2_SUBDEV_FORMAT_TRY) { 7951283b3b8SDave Stevenson struct v4l2_mbus_framefmt *try_fmt = 7960d346d2aSTomi Valkeinen v4l2_subdev_get_try_format(&imx219->sd, sd_state, 7970d346d2aSTomi Valkeinen fmt->pad); 7981283b3b8SDave Stevenson /* update the code which could change due to vflip or hflip: */ 79922da1d56SLad Prabhakar try_fmt->code = imx219_get_format_code(imx219, try_fmt->code); 8001283b3b8SDave Stevenson fmt->format = *try_fmt; 8011283b3b8SDave Stevenson } else { 8021283b3b8SDave Stevenson imx219_update_pad_format(imx219, imx219->mode, fmt); 80322da1d56SLad Prabhakar fmt->format.code = imx219_get_format_code(imx219, 80422da1d56SLad Prabhakar imx219->fmt.code); 8051283b3b8SDave Stevenson } 8061283b3b8SDave Stevenson 8071283b3b8SDave Stevenson return 0; 8081283b3b8SDave Stevenson } 8091283b3b8SDave Stevenson 8101283b3b8SDave Stevenson static int imx219_get_pad_format(struct v4l2_subdev *sd, 8110d346d2aSTomi Valkeinen struct v4l2_subdev_state *sd_state, 8121283b3b8SDave Stevenson struct v4l2_subdev_format *fmt) 8131283b3b8SDave Stevenson { 8141283b3b8SDave Stevenson struct imx219 *imx219 = to_imx219(sd); 8151283b3b8SDave Stevenson int ret; 8161283b3b8SDave Stevenson 8171283b3b8SDave Stevenson mutex_lock(&imx219->mutex); 8180d346d2aSTomi Valkeinen ret = __imx219_get_pad_format(imx219, sd_state, fmt); 8191283b3b8SDave Stevenson mutex_unlock(&imx219->mutex); 8201283b3b8SDave Stevenson 8211283b3b8SDave Stevenson return ret; 8221283b3b8SDave Stevenson } 8231283b3b8SDave Stevenson 8241283b3b8SDave Stevenson static int imx219_set_pad_format(struct v4l2_subdev *sd, 8250d346d2aSTomi Valkeinen struct v4l2_subdev_state *sd_state, 8261283b3b8SDave Stevenson struct v4l2_subdev_format *fmt) 8271283b3b8SDave Stevenson { 8281283b3b8SDave Stevenson struct imx219 *imx219 = to_imx219(sd); 8291283b3b8SDave Stevenson const struct imx219_mode *mode; 8301283b3b8SDave Stevenson struct v4l2_mbus_framefmt *framefmt; 8311283b3b8SDave Stevenson int exposure_max, exposure_def, hblank; 83222da1d56SLad Prabhakar unsigned int i; 8331283b3b8SDave Stevenson 8341283b3b8SDave Stevenson mutex_lock(&imx219->mutex); 8351283b3b8SDave Stevenson 836917e26cbSJean-Michel Hautbois for (i = 0; i < ARRAY_SIZE(imx219_mbus_formats); i++) 837917e26cbSJean-Michel Hautbois if (imx219_mbus_formats[i] == fmt->format.code) 83822da1d56SLad Prabhakar break; 839917e26cbSJean-Michel Hautbois if (i >= ARRAY_SIZE(imx219_mbus_formats)) 84022da1d56SLad Prabhakar i = 0; 84122da1d56SLad Prabhakar 8421283b3b8SDave Stevenson /* Bayer order varies with flips */ 843917e26cbSJean-Michel Hautbois fmt->format.code = imx219_get_format_code(imx219, imx219_mbus_formats[i]); 8441283b3b8SDave Stevenson 8451283b3b8SDave Stevenson mode = v4l2_find_nearest_size(supported_modes, 8461283b3b8SDave Stevenson ARRAY_SIZE(supported_modes), 8471283b3b8SDave Stevenson width, height, 8481283b3b8SDave Stevenson fmt->format.width, fmt->format.height); 8491283b3b8SDave Stevenson imx219_update_pad_format(imx219, mode, fmt); 8501283b3b8SDave Stevenson if (fmt->which == V4L2_SUBDEV_FORMAT_TRY) { 8510d346d2aSTomi Valkeinen framefmt = v4l2_subdev_get_try_format(sd, sd_state, fmt->pad); 8521283b3b8SDave Stevenson *framefmt = fmt->format; 85322da1d56SLad Prabhakar } else if (imx219->mode != mode || 85422da1d56SLad Prabhakar imx219->fmt.code != fmt->format.code) { 85522da1d56SLad Prabhakar imx219->fmt = fmt->format; 8561283b3b8SDave Stevenson imx219->mode = mode; 8571283b3b8SDave Stevenson /* Update limits and set FPS to default */ 8581283b3b8SDave Stevenson __v4l2_ctrl_modify_range(imx219->vblank, IMX219_VBLANK_MIN, 8591283b3b8SDave Stevenson IMX219_VTS_MAX - mode->height, 1, 8601283b3b8SDave Stevenson mode->vts_def - mode->height); 8611283b3b8SDave Stevenson __v4l2_ctrl_s_ctrl(imx219->vblank, 8621283b3b8SDave Stevenson mode->vts_def - mode->height); 8631283b3b8SDave Stevenson /* Update max exposure while meeting expected vblanking */ 8641283b3b8SDave Stevenson exposure_max = mode->vts_def - 4; 8651283b3b8SDave Stevenson exposure_def = (exposure_max < IMX219_EXPOSURE_DEFAULT) ? 8661283b3b8SDave Stevenson exposure_max : IMX219_EXPOSURE_DEFAULT; 8671283b3b8SDave Stevenson __v4l2_ctrl_modify_range(imx219->exposure, 8681283b3b8SDave Stevenson imx219->exposure->minimum, 8691283b3b8SDave Stevenson exposure_max, imx219->exposure->step, 8701283b3b8SDave Stevenson exposure_def); 8711283b3b8SDave Stevenson /* 8721283b3b8SDave Stevenson * Currently PPL is fixed to IMX219_PPL_DEFAULT, so hblank 8731283b3b8SDave Stevenson * depends on mode->width only, and is not changeble in any 8741283b3b8SDave Stevenson * way other than changing the mode. 8751283b3b8SDave Stevenson */ 8761283b3b8SDave Stevenson hblank = IMX219_PPL_DEFAULT - mode->width; 8771283b3b8SDave Stevenson __v4l2_ctrl_modify_range(imx219->hblank, hblank, hblank, 1, 8781283b3b8SDave Stevenson hblank); 8791283b3b8SDave Stevenson } 8801283b3b8SDave Stevenson 8811283b3b8SDave Stevenson mutex_unlock(&imx219->mutex); 8821283b3b8SDave Stevenson 8831283b3b8SDave Stevenson return 0; 8841283b3b8SDave Stevenson } 8851283b3b8SDave Stevenson 88622da1d56SLad Prabhakar static int imx219_set_framefmt(struct imx219 *imx219) 88722da1d56SLad Prabhakar { 88822da1d56SLad Prabhakar switch (imx219->fmt.code) { 88922da1d56SLad Prabhakar case MEDIA_BUS_FMT_SRGGB8_1X8: 89022da1d56SLad Prabhakar case MEDIA_BUS_FMT_SGRBG8_1X8: 89122da1d56SLad Prabhakar case MEDIA_BUS_FMT_SGBRG8_1X8: 89222da1d56SLad Prabhakar case MEDIA_BUS_FMT_SBGGR8_1X8: 89322da1d56SLad Prabhakar return imx219_write_regs(imx219, raw8_framefmt_regs, 89422da1d56SLad Prabhakar ARRAY_SIZE(raw8_framefmt_regs)); 89522da1d56SLad Prabhakar 89622da1d56SLad Prabhakar case MEDIA_BUS_FMT_SRGGB10_1X10: 89722da1d56SLad Prabhakar case MEDIA_BUS_FMT_SGRBG10_1X10: 89822da1d56SLad Prabhakar case MEDIA_BUS_FMT_SGBRG10_1X10: 89922da1d56SLad Prabhakar case MEDIA_BUS_FMT_SBGGR10_1X10: 90022da1d56SLad Prabhakar return imx219_write_regs(imx219, raw10_framefmt_regs, 90122da1d56SLad Prabhakar ARRAY_SIZE(raw10_framefmt_regs)); 90222da1d56SLad Prabhakar } 90322da1d56SLad Prabhakar 90422da1d56SLad Prabhakar return -EINVAL; 90522da1d56SLad Prabhakar } 90622da1d56SLad Prabhakar 907ef86447eSJai Luthra static int imx219_set_binning(struct imx219 *imx219) 908ef86447eSJai Luthra { 909ef86447eSJai Luthra if (!imx219->mode->binning) { 910ef86447eSJai Luthra return imx219_write_reg(imx219, IMX219_REG_BINNING_MODE, 911ef86447eSJai Luthra IMX219_REG_VALUE_16BIT, 912ef86447eSJai Luthra IMX219_BINNING_NONE); 913ef86447eSJai Luthra } 914ef86447eSJai Luthra 915ef86447eSJai Luthra switch (imx219->fmt.code) { 916ef86447eSJai Luthra case MEDIA_BUS_FMT_SRGGB8_1X8: 917ef86447eSJai Luthra case MEDIA_BUS_FMT_SGRBG8_1X8: 918ef86447eSJai Luthra case MEDIA_BUS_FMT_SGBRG8_1X8: 919ef86447eSJai Luthra case MEDIA_BUS_FMT_SBGGR8_1X8: 920ef86447eSJai Luthra return imx219_write_reg(imx219, IMX219_REG_BINNING_MODE, 921ef86447eSJai Luthra IMX219_REG_VALUE_16BIT, 922ef86447eSJai Luthra IMX219_BINNING_2X2_ANALOG); 923ef86447eSJai Luthra 924ef86447eSJai Luthra case MEDIA_BUS_FMT_SRGGB10_1X10: 925ef86447eSJai Luthra case MEDIA_BUS_FMT_SGRBG10_1X10: 926ef86447eSJai Luthra case MEDIA_BUS_FMT_SGBRG10_1X10: 927ef86447eSJai Luthra case MEDIA_BUS_FMT_SBGGR10_1X10: 928ef86447eSJai Luthra return imx219_write_reg(imx219, IMX219_REG_BINNING_MODE, 929ef86447eSJai Luthra IMX219_REG_VALUE_16BIT, 930ef86447eSJai Luthra IMX219_BINNING_2X2); 931ef86447eSJai Luthra } 932ef86447eSJai Luthra 933ef86447eSJai Luthra return -EINVAL; 934ef86447eSJai Luthra } 935ef86447eSJai Luthra 936e6d4ef7dSJacopo Mondi static const struct v4l2_rect * 9370d346d2aSTomi Valkeinen __imx219_get_pad_crop(struct imx219 *imx219, 9380d346d2aSTomi Valkeinen struct v4l2_subdev_state *sd_state, 939e6d4ef7dSJacopo Mondi unsigned int pad, enum v4l2_subdev_format_whence which) 940e6d4ef7dSJacopo Mondi { 941e6d4ef7dSJacopo Mondi switch (which) { 942e6d4ef7dSJacopo Mondi case V4L2_SUBDEV_FORMAT_TRY: 9430d346d2aSTomi Valkeinen return v4l2_subdev_get_try_crop(&imx219->sd, sd_state, pad); 944e6d4ef7dSJacopo Mondi case V4L2_SUBDEV_FORMAT_ACTIVE: 945e6d4ef7dSJacopo Mondi return &imx219->mode->crop; 946e6d4ef7dSJacopo Mondi } 947e6d4ef7dSJacopo Mondi 948e6d4ef7dSJacopo Mondi return NULL; 949e6d4ef7dSJacopo Mondi } 950e6d4ef7dSJacopo Mondi 951e6d4ef7dSJacopo Mondi static int imx219_get_selection(struct v4l2_subdev *sd, 9520d346d2aSTomi Valkeinen struct v4l2_subdev_state *sd_state, 953e6d4ef7dSJacopo Mondi struct v4l2_subdev_selection *sel) 954e6d4ef7dSJacopo Mondi { 955e6d4ef7dSJacopo Mondi switch (sel->target) { 956e6d4ef7dSJacopo Mondi case V4L2_SEL_TGT_CROP: { 957e6d4ef7dSJacopo Mondi struct imx219 *imx219 = to_imx219(sd); 958e6d4ef7dSJacopo Mondi 959e6d4ef7dSJacopo Mondi mutex_lock(&imx219->mutex); 9600d346d2aSTomi Valkeinen sel->r = *__imx219_get_pad_crop(imx219, sd_state, sel->pad, 961e6d4ef7dSJacopo Mondi sel->which); 962e6d4ef7dSJacopo Mondi mutex_unlock(&imx219->mutex); 963e6d4ef7dSJacopo Mondi 964e6d4ef7dSJacopo Mondi return 0; 965e6d4ef7dSJacopo Mondi } 966e6d4ef7dSJacopo Mondi 967e6d4ef7dSJacopo Mondi case V4L2_SEL_TGT_NATIVE_SIZE: 968e6d4ef7dSJacopo Mondi sel->r.top = 0; 969e6d4ef7dSJacopo Mondi sel->r.left = 0; 970e6d4ef7dSJacopo Mondi sel->r.width = IMX219_NATIVE_WIDTH; 971e6d4ef7dSJacopo Mondi sel->r.height = IMX219_NATIVE_HEIGHT; 972e6d4ef7dSJacopo Mondi 973e6d4ef7dSJacopo Mondi return 0; 974e6d4ef7dSJacopo Mondi 975e6d4ef7dSJacopo Mondi case V4L2_SEL_TGT_CROP_DEFAULT: 9761ed36ecdSHans Verkuil case V4L2_SEL_TGT_CROP_BOUNDS: 977e6d4ef7dSJacopo Mondi sel->r.top = IMX219_PIXEL_ARRAY_TOP; 978e6d4ef7dSJacopo Mondi sel->r.left = IMX219_PIXEL_ARRAY_LEFT; 979e6d4ef7dSJacopo Mondi sel->r.width = IMX219_PIXEL_ARRAY_WIDTH; 980e6d4ef7dSJacopo Mondi sel->r.height = IMX219_PIXEL_ARRAY_HEIGHT; 981e6d4ef7dSJacopo Mondi 982e6d4ef7dSJacopo Mondi return 0; 983e6d4ef7dSJacopo Mondi } 984e6d4ef7dSJacopo Mondi 985e6d4ef7dSJacopo Mondi return -EINVAL; 986e6d4ef7dSJacopo Mondi } 987e6d4ef7dSJacopo Mondi 988ceddfd44SAdam Ford static int imx219_configure_lanes(struct imx219 *imx219) 989ceddfd44SAdam Ford { 990ceddfd44SAdam Ford return imx219_write_reg(imx219, IMX219_REG_CSI_LANE_MODE, 991ceddfd44SAdam Ford IMX219_REG_VALUE_08BIT, (imx219->lanes == 2) ? 992ceddfd44SAdam Ford IMX219_CSI_2_LANE_MODE : IMX219_CSI_4_LANE_MODE); 993ceddfd44SAdam Ford }; 994ceddfd44SAdam Ford 9951283b3b8SDave Stevenson static int imx219_start_streaming(struct imx219 *imx219) 9961283b3b8SDave Stevenson { 9971283b3b8SDave Stevenson struct i2c_client *client = v4l2_get_subdevdata(&imx219->sd); 9981283b3b8SDave Stevenson const struct imx219_reg_list *reg_list; 9991283b3b8SDave Stevenson int ret; 10001283b3b8SDave Stevenson 100130ad4559SMauro Carvalho Chehab ret = pm_runtime_resume_and_get(&client->dev); 100230ad4559SMauro Carvalho Chehab if (ret < 0) 1003dd90caa0SLad Prabhakar return ret; 1004dd90caa0SLad Prabhakar 100585084559SAdam Ford /* Send all registers that are common to all modes */ 100685084559SAdam Ford ret = imx219_write_regs(imx219, imx219_common_regs, ARRAY_SIZE(imx219_common_regs)); 100785084559SAdam Ford if (ret) { 100885084559SAdam Ford dev_err(&client->dev, "%s failed to send mfg header\n", __func__); 100985084559SAdam Ford goto err_rpm_put; 101085084559SAdam Ford } 101185084559SAdam Ford 1012ceddfd44SAdam Ford /* Configure two or four Lane mode */ 1013ceddfd44SAdam Ford ret = imx219_configure_lanes(imx219); 1014ceddfd44SAdam Ford if (ret) { 1015ceddfd44SAdam Ford dev_err(&client->dev, "%s failed to configure lanes\n", __func__); 1016ceddfd44SAdam Ford goto err_rpm_put; 1017ceddfd44SAdam Ford } 1018ceddfd44SAdam Ford 10191283b3b8SDave Stevenson /* Apply default values of current mode */ 10201283b3b8SDave Stevenson reg_list = &imx219->mode->reg_list; 10211283b3b8SDave Stevenson ret = imx219_write_regs(imx219, reg_list->regs, reg_list->num_of_regs); 10221283b3b8SDave Stevenson if (ret) { 10231283b3b8SDave Stevenson dev_err(&client->dev, "%s failed to set mode\n", __func__); 1024dd90caa0SLad Prabhakar goto err_rpm_put; 10251283b3b8SDave Stevenson } 10261283b3b8SDave Stevenson 102722da1d56SLad Prabhakar ret = imx219_set_framefmt(imx219); 102822da1d56SLad Prabhakar if (ret) { 102922da1d56SLad Prabhakar dev_err(&client->dev, "%s failed to set frame format: %d\n", 103022da1d56SLad Prabhakar __func__, ret); 1031dd90caa0SLad Prabhakar goto err_rpm_put; 103222da1d56SLad Prabhakar } 103322da1d56SLad Prabhakar 1034ef86447eSJai Luthra ret = imx219_set_binning(imx219); 1035ef86447eSJai Luthra if (ret) { 1036ef86447eSJai Luthra dev_err(&client->dev, "%s failed to set binning: %d\n", 1037ef86447eSJai Luthra __func__, ret); 1038ef86447eSJai Luthra goto err_rpm_put; 1039ef86447eSJai Luthra } 1040ef86447eSJai Luthra 10411283b3b8SDave Stevenson /* Apply customized values from user */ 10421283b3b8SDave Stevenson ret = __v4l2_ctrl_handler_setup(imx219->sd.ctrl_handler); 10431283b3b8SDave Stevenson if (ret) 1044dd90caa0SLad Prabhakar goto err_rpm_put; 10451283b3b8SDave Stevenson 10461283b3b8SDave Stevenson /* set stream on register */ 1047745d4612SLad Prabhakar ret = imx219_write_reg(imx219, IMX219_REG_MODE_SELECT, 10481283b3b8SDave Stevenson IMX219_REG_VALUE_08BIT, IMX219_MODE_STREAMING); 1049745d4612SLad Prabhakar if (ret) 1050dd90caa0SLad Prabhakar goto err_rpm_put; 1051745d4612SLad Prabhakar 1052745d4612SLad Prabhakar /* vflip and hflip cannot change during streaming */ 1053745d4612SLad Prabhakar __v4l2_ctrl_grab(imx219->vflip, true); 1054745d4612SLad Prabhakar __v4l2_ctrl_grab(imx219->hflip, true); 1055745d4612SLad Prabhakar 1056745d4612SLad Prabhakar return 0; 1057dd90caa0SLad Prabhakar 1058dd90caa0SLad Prabhakar err_rpm_put: 1059dd90caa0SLad Prabhakar pm_runtime_put(&client->dev); 1060dd90caa0SLad Prabhakar return ret; 10611283b3b8SDave Stevenson } 10621283b3b8SDave Stevenson 10631283b3b8SDave Stevenson static void imx219_stop_streaming(struct imx219 *imx219) 10641283b3b8SDave Stevenson { 10651283b3b8SDave Stevenson struct i2c_client *client = v4l2_get_subdevdata(&imx219->sd); 10661283b3b8SDave Stevenson int ret; 10671283b3b8SDave Stevenson 10681283b3b8SDave Stevenson /* set stream off register */ 10691283b3b8SDave Stevenson ret = imx219_write_reg(imx219, IMX219_REG_MODE_SELECT, 10701283b3b8SDave Stevenson IMX219_REG_VALUE_08BIT, IMX219_MODE_STANDBY); 10711283b3b8SDave Stevenson if (ret) 10721283b3b8SDave Stevenson dev_err(&client->dev, "%s failed to set stream\n", __func__); 1073745d4612SLad Prabhakar 1074745d4612SLad Prabhakar __v4l2_ctrl_grab(imx219->vflip, false); 1075745d4612SLad Prabhakar __v4l2_ctrl_grab(imx219->hflip, false); 1076dd90caa0SLad Prabhakar 1077dd90caa0SLad Prabhakar pm_runtime_put(&client->dev); 10781283b3b8SDave Stevenson } 10791283b3b8SDave Stevenson 10801283b3b8SDave Stevenson static int imx219_set_stream(struct v4l2_subdev *sd, int enable) 10811283b3b8SDave Stevenson { 10821283b3b8SDave Stevenson struct imx219 *imx219 = to_imx219(sd); 10831283b3b8SDave Stevenson int ret = 0; 10841283b3b8SDave Stevenson 10851283b3b8SDave Stevenson mutex_lock(&imx219->mutex); 10861283b3b8SDave Stevenson if (imx219->streaming == enable) { 10871283b3b8SDave Stevenson mutex_unlock(&imx219->mutex); 10881283b3b8SDave Stevenson return 0; 10891283b3b8SDave Stevenson } 10901283b3b8SDave Stevenson 10911283b3b8SDave Stevenson if (enable) { 10921283b3b8SDave Stevenson /* 10931283b3b8SDave Stevenson * Apply default & customized values 10941283b3b8SDave Stevenson * and then start streaming. 10951283b3b8SDave Stevenson */ 10961283b3b8SDave Stevenson ret = imx219_start_streaming(imx219); 10971283b3b8SDave Stevenson if (ret) 1098dd90caa0SLad Prabhakar goto err_unlock; 10991283b3b8SDave Stevenson } else { 11001283b3b8SDave Stevenson imx219_stop_streaming(imx219); 11011283b3b8SDave Stevenson } 11021283b3b8SDave Stevenson 11031283b3b8SDave Stevenson imx219->streaming = enable; 11041283b3b8SDave Stevenson 11051283b3b8SDave Stevenson mutex_unlock(&imx219->mutex); 11061283b3b8SDave Stevenson 11071283b3b8SDave Stevenson return ret; 11081283b3b8SDave Stevenson 11091283b3b8SDave Stevenson err_unlock: 11101283b3b8SDave Stevenson mutex_unlock(&imx219->mutex); 11111283b3b8SDave Stevenson 11121283b3b8SDave Stevenson return ret; 11131283b3b8SDave Stevenson } 11141283b3b8SDave Stevenson 11151283b3b8SDave Stevenson /* Power/clock management functions */ 11161283b3b8SDave Stevenson static int imx219_power_on(struct device *dev) 11171283b3b8SDave Stevenson { 111837bb22edSKrzysztof Kozlowski struct v4l2_subdev *sd = dev_get_drvdata(dev); 11191283b3b8SDave Stevenson struct imx219 *imx219 = to_imx219(sd); 11201283b3b8SDave Stevenson int ret; 11211283b3b8SDave Stevenson 11221283b3b8SDave Stevenson ret = regulator_bulk_enable(IMX219_NUM_SUPPLIES, 11231283b3b8SDave Stevenson imx219->supplies); 11241283b3b8SDave Stevenson if (ret) { 112537bb22edSKrzysztof Kozlowski dev_err(dev, "%s: failed to enable regulators\n", 11261283b3b8SDave Stevenson __func__); 11271283b3b8SDave Stevenson return ret; 11281283b3b8SDave Stevenson } 11291283b3b8SDave Stevenson 11301283b3b8SDave Stevenson ret = clk_prepare_enable(imx219->xclk); 11311283b3b8SDave Stevenson if (ret) { 113237bb22edSKrzysztof Kozlowski dev_err(dev, "%s: failed to enable clock\n", 11331283b3b8SDave Stevenson __func__); 11341283b3b8SDave Stevenson goto reg_off; 11351283b3b8SDave Stevenson } 11361283b3b8SDave Stevenson 11371283b3b8SDave Stevenson gpiod_set_value_cansleep(imx219->reset_gpio, 1); 11381283b3b8SDave Stevenson usleep_range(IMX219_XCLR_MIN_DELAY_US, 11391283b3b8SDave Stevenson IMX219_XCLR_MIN_DELAY_US + IMX219_XCLR_DELAY_RANGE_US); 11401283b3b8SDave Stevenson 11411283b3b8SDave Stevenson return 0; 11421283b3b8SDave Stevenson 11431283b3b8SDave Stevenson reg_off: 11441283b3b8SDave Stevenson regulator_bulk_disable(IMX219_NUM_SUPPLIES, imx219->supplies); 11451283b3b8SDave Stevenson 11461283b3b8SDave Stevenson return ret; 11471283b3b8SDave Stevenson } 11481283b3b8SDave Stevenson 11491283b3b8SDave Stevenson static int imx219_power_off(struct device *dev) 11501283b3b8SDave Stevenson { 115137bb22edSKrzysztof Kozlowski struct v4l2_subdev *sd = dev_get_drvdata(dev); 11521283b3b8SDave Stevenson struct imx219 *imx219 = to_imx219(sd); 11531283b3b8SDave Stevenson 11541283b3b8SDave Stevenson gpiod_set_value_cansleep(imx219->reset_gpio, 0); 11551283b3b8SDave Stevenson regulator_bulk_disable(IMX219_NUM_SUPPLIES, imx219->supplies); 11561283b3b8SDave Stevenson clk_disable_unprepare(imx219->xclk); 11571283b3b8SDave Stevenson 11581283b3b8SDave Stevenson return 0; 11591283b3b8SDave Stevenson } 11601283b3b8SDave Stevenson 11611283b3b8SDave Stevenson static int __maybe_unused imx219_suspend(struct device *dev) 11621283b3b8SDave Stevenson { 116337bb22edSKrzysztof Kozlowski struct v4l2_subdev *sd = dev_get_drvdata(dev); 11641283b3b8SDave Stevenson struct imx219 *imx219 = to_imx219(sd); 11651283b3b8SDave Stevenson 11661283b3b8SDave Stevenson if (imx219->streaming) 11671283b3b8SDave Stevenson imx219_stop_streaming(imx219); 11681283b3b8SDave Stevenson 11691283b3b8SDave Stevenson return 0; 11701283b3b8SDave Stevenson } 11711283b3b8SDave Stevenson 11721283b3b8SDave Stevenson static int __maybe_unused imx219_resume(struct device *dev) 11731283b3b8SDave Stevenson { 117437bb22edSKrzysztof Kozlowski struct v4l2_subdev *sd = dev_get_drvdata(dev); 11751283b3b8SDave Stevenson struct imx219 *imx219 = to_imx219(sd); 11761283b3b8SDave Stevenson int ret; 11771283b3b8SDave Stevenson 11781283b3b8SDave Stevenson if (imx219->streaming) { 11791283b3b8SDave Stevenson ret = imx219_start_streaming(imx219); 11801283b3b8SDave Stevenson if (ret) 11811283b3b8SDave Stevenson goto error; 11821283b3b8SDave Stevenson } 11831283b3b8SDave Stevenson 11841283b3b8SDave Stevenson return 0; 11851283b3b8SDave Stevenson 11861283b3b8SDave Stevenson error: 11871283b3b8SDave Stevenson imx219_stop_streaming(imx219); 1188c90b4d70SDaniel W. S. Almeida imx219->streaming = false; 11891283b3b8SDave Stevenson 11901283b3b8SDave Stevenson return ret; 11911283b3b8SDave Stevenson } 11921283b3b8SDave Stevenson 11931283b3b8SDave Stevenson static int imx219_get_regulators(struct imx219 *imx219) 11941283b3b8SDave Stevenson { 11951283b3b8SDave Stevenson struct i2c_client *client = v4l2_get_subdevdata(&imx219->sd); 11961283b3b8SDave Stevenson unsigned int i; 11971283b3b8SDave Stevenson 11981283b3b8SDave Stevenson for (i = 0; i < IMX219_NUM_SUPPLIES; i++) 11991283b3b8SDave Stevenson imx219->supplies[i].supply = imx219_supply_name[i]; 12001283b3b8SDave Stevenson 12011283b3b8SDave Stevenson return devm_regulator_bulk_get(&client->dev, 12021283b3b8SDave Stevenson IMX219_NUM_SUPPLIES, 12031283b3b8SDave Stevenson imx219->supplies); 12041283b3b8SDave Stevenson } 12051283b3b8SDave Stevenson 12061283b3b8SDave Stevenson /* Verify chip ID */ 12071283b3b8SDave Stevenson static int imx219_identify_module(struct imx219 *imx219) 12081283b3b8SDave Stevenson { 12091283b3b8SDave Stevenson struct i2c_client *client = v4l2_get_subdevdata(&imx219->sd); 12101283b3b8SDave Stevenson int ret; 12111283b3b8SDave Stevenson u32 val; 12121283b3b8SDave Stevenson 12131283b3b8SDave Stevenson ret = imx219_read_reg(imx219, IMX219_REG_CHIP_ID, 12141283b3b8SDave Stevenson IMX219_REG_VALUE_16BIT, &val); 12151283b3b8SDave Stevenson if (ret) { 12161283b3b8SDave Stevenson dev_err(&client->dev, "failed to read chip id %x\n", 12171283b3b8SDave Stevenson IMX219_CHIP_ID); 12181283b3b8SDave Stevenson return ret; 12191283b3b8SDave Stevenson } 12201283b3b8SDave Stevenson 12211283b3b8SDave Stevenson if (val != IMX219_CHIP_ID) { 12221283b3b8SDave Stevenson dev_err(&client->dev, "chip id mismatch: %x!=%x\n", 12231283b3b8SDave Stevenson IMX219_CHIP_ID, val); 12241283b3b8SDave Stevenson return -EIO; 12251283b3b8SDave Stevenson } 12261283b3b8SDave Stevenson 12271283b3b8SDave Stevenson return 0; 12281283b3b8SDave Stevenson } 12291283b3b8SDave Stevenson 12301283b3b8SDave Stevenson static const struct v4l2_subdev_core_ops imx219_core_ops = { 12311283b3b8SDave Stevenson .subscribe_event = v4l2_ctrl_subdev_subscribe_event, 12321283b3b8SDave Stevenson .unsubscribe_event = v4l2_event_subdev_unsubscribe, 12331283b3b8SDave Stevenson }; 12341283b3b8SDave Stevenson 12351283b3b8SDave Stevenson static const struct v4l2_subdev_video_ops imx219_video_ops = { 12361283b3b8SDave Stevenson .s_stream = imx219_set_stream, 12371283b3b8SDave Stevenson }; 12381283b3b8SDave Stevenson 12391283b3b8SDave Stevenson static const struct v4l2_subdev_pad_ops imx219_pad_ops = { 1240*7e700847SJean-Michel Hautbois .init_cfg = imx219_init_cfg, 12411283b3b8SDave Stevenson .enum_mbus_code = imx219_enum_mbus_code, 12421283b3b8SDave Stevenson .get_fmt = imx219_get_pad_format, 12431283b3b8SDave Stevenson .set_fmt = imx219_set_pad_format, 1244e6d4ef7dSJacopo Mondi .get_selection = imx219_get_selection, 12451283b3b8SDave Stevenson .enum_frame_size = imx219_enum_frame_size, 12461283b3b8SDave Stevenson }; 12471283b3b8SDave Stevenson 12481283b3b8SDave Stevenson static const struct v4l2_subdev_ops imx219_subdev_ops = { 12491283b3b8SDave Stevenson .core = &imx219_core_ops, 12501283b3b8SDave Stevenson .video = &imx219_video_ops, 12511283b3b8SDave Stevenson .pad = &imx219_pad_ops, 12521283b3b8SDave Stevenson }; 12531283b3b8SDave Stevenson 12541283b3b8SDave Stevenson 1255ceddfd44SAdam Ford static unsigned long imx219_get_pixel_rate(struct imx219 *imx219) 1256ceddfd44SAdam Ford { 1257ceddfd44SAdam Ford return (imx219->lanes == 2) ? IMX219_PIXEL_RATE : IMX219_PIXEL_RATE_4LANE; 1258ceddfd44SAdam Ford } 1259ceddfd44SAdam Ford 12601283b3b8SDave Stevenson /* Initialize control handlers */ 12611283b3b8SDave Stevenson static int imx219_init_controls(struct imx219 *imx219) 12621283b3b8SDave Stevenson { 12631283b3b8SDave Stevenson struct i2c_client *client = v4l2_get_subdevdata(&imx219->sd); 12641283b3b8SDave Stevenson struct v4l2_ctrl_handler *ctrl_hdlr; 12651283b3b8SDave Stevenson unsigned int height = imx219->mode->height; 1266ad3a44cbSJacopo Mondi struct v4l2_fwnode_device_properties props; 12671283b3b8SDave Stevenson int exposure_max, exposure_def, hblank; 12681283b3b8SDave Stevenson int i, ret; 12691283b3b8SDave Stevenson 12701283b3b8SDave Stevenson ctrl_hdlr = &imx219->ctrl_handler; 127149b94d58SAndrey Konovalov ret = v4l2_ctrl_handler_init(ctrl_hdlr, 12); 12721283b3b8SDave Stevenson if (ret) 12731283b3b8SDave Stevenson return ret; 12741283b3b8SDave Stevenson 12751283b3b8SDave Stevenson mutex_init(&imx219->mutex); 12761283b3b8SDave Stevenson ctrl_hdlr->lock = &imx219->mutex; 12771283b3b8SDave Stevenson 12781283b3b8SDave Stevenson /* By default, PIXEL_RATE is read only */ 12791283b3b8SDave Stevenson imx219->pixel_rate = v4l2_ctrl_new_std(ctrl_hdlr, &imx219_ctrl_ops, 12801283b3b8SDave Stevenson V4L2_CID_PIXEL_RATE, 1281ceddfd44SAdam Ford imx219_get_pixel_rate(imx219), 1282ceddfd44SAdam Ford imx219_get_pixel_rate(imx219), 1, 1283ceddfd44SAdam Ford imx219_get_pixel_rate(imx219)); 12841283b3b8SDave Stevenson 128549b94d58SAndrey Konovalov imx219->link_freq = 128649b94d58SAndrey Konovalov v4l2_ctrl_new_int_menu(ctrl_hdlr, &imx219_ctrl_ops, 128749b94d58SAndrey Konovalov V4L2_CID_LINK_FREQ, 128849b94d58SAndrey Konovalov ARRAY_SIZE(imx219_link_freq_menu) - 1, 0, 1289ceddfd44SAdam Ford (imx219->lanes == 2) ? imx219_link_freq_menu : 1290ceddfd44SAdam Ford imx219_link_freq_4lane_menu); 129149b94d58SAndrey Konovalov if (imx219->link_freq) 129249b94d58SAndrey Konovalov imx219->link_freq->flags |= V4L2_CTRL_FLAG_READ_ONLY; 129349b94d58SAndrey Konovalov 12941283b3b8SDave Stevenson /* Initial vblank/hblank/exposure parameters based on current mode */ 12951283b3b8SDave Stevenson imx219->vblank = v4l2_ctrl_new_std(ctrl_hdlr, &imx219_ctrl_ops, 12961283b3b8SDave Stevenson V4L2_CID_VBLANK, IMX219_VBLANK_MIN, 12971283b3b8SDave Stevenson IMX219_VTS_MAX - height, 1, 12981283b3b8SDave Stevenson imx219->mode->vts_def - height); 12991283b3b8SDave Stevenson hblank = IMX219_PPL_DEFAULT - imx219->mode->width; 13001283b3b8SDave Stevenson imx219->hblank = v4l2_ctrl_new_std(ctrl_hdlr, &imx219_ctrl_ops, 13011283b3b8SDave Stevenson V4L2_CID_HBLANK, hblank, hblank, 13021283b3b8SDave Stevenson 1, hblank); 13031283b3b8SDave Stevenson if (imx219->hblank) 13041283b3b8SDave Stevenson imx219->hblank->flags |= V4L2_CTRL_FLAG_READ_ONLY; 13051283b3b8SDave Stevenson exposure_max = imx219->mode->vts_def - 4; 13061283b3b8SDave Stevenson exposure_def = (exposure_max < IMX219_EXPOSURE_DEFAULT) ? 13071283b3b8SDave Stevenson exposure_max : IMX219_EXPOSURE_DEFAULT; 13081283b3b8SDave Stevenson imx219->exposure = v4l2_ctrl_new_std(ctrl_hdlr, &imx219_ctrl_ops, 13091283b3b8SDave Stevenson V4L2_CID_EXPOSURE, 13101283b3b8SDave Stevenson IMX219_EXPOSURE_MIN, exposure_max, 13111283b3b8SDave Stevenson IMX219_EXPOSURE_STEP, 13121283b3b8SDave Stevenson exposure_def); 13131283b3b8SDave Stevenson 13141283b3b8SDave Stevenson v4l2_ctrl_new_std(ctrl_hdlr, &imx219_ctrl_ops, V4L2_CID_ANALOGUE_GAIN, 13151283b3b8SDave Stevenson IMX219_ANA_GAIN_MIN, IMX219_ANA_GAIN_MAX, 13161283b3b8SDave Stevenson IMX219_ANA_GAIN_STEP, IMX219_ANA_GAIN_DEFAULT); 13171283b3b8SDave Stevenson 13181283b3b8SDave Stevenson v4l2_ctrl_new_std(ctrl_hdlr, &imx219_ctrl_ops, V4L2_CID_DIGITAL_GAIN, 13191283b3b8SDave Stevenson IMX219_DGTL_GAIN_MIN, IMX219_DGTL_GAIN_MAX, 13201283b3b8SDave Stevenson IMX219_DGTL_GAIN_STEP, IMX219_DGTL_GAIN_DEFAULT); 13211283b3b8SDave Stevenson 13221283b3b8SDave Stevenson imx219->hflip = v4l2_ctrl_new_std(ctrl_hdlr, &imx219_ctrl_ops, 13231283b3b8SDave Stevenson V4L2_CID_HFLIP, 0, 1, 1, 0); 13241283b3b8SDave Stevenson if (imx219->hflip) 13251283b3b8SDave Stevenson imx219->hflip->flags |= V4L2_CTRL_FLAG_MODIFY_LAYOUT; 13261283b3b8SDave Stevenson 13271283b3b8SDave Stevenson imx219->vflip = v4l2_ctrl_new_std(ctrl_hdlr, &imx219_ctrl_ops, 13281283b3b8SDave Stevenson V4L2_CID_VFLIP, 0, 1, 1, 0); 13291283b3b8SDave Stevenson if (imx219->vflip) 13301283b3b8SDave Stevenson imx219->vflip->flags |= V4L2_CTRL_FLAG_MODIFY_LAYOUT; 13311283b3b8SDave Stevenson 13321283b3b8SDave Stevenson v4l2_ctrl_new_std_menu_items(ctrl_hdlr, &imx219_ctrl_ops, 13331283b3b8SDave Stevenson V4L2_CID_TEST_PATTERN, 13341283b3b8SDave Stevenson ARRAY_SIZE(imx219_test_pattern_menu) - 1, 13351283b3b8SDave Stevenson 0, 0, imx219_test_pattern_menu); 13361283b3b8SDave Stevenson for (i = 0; i < 4; i++) { 13371283b3b8SDave Stevenson /* 13381283b3b8SDave Stevenson * The assumption is that 13391283b3b8SDave Stevenson * V4L2_CID_TEST_PATTERN_GREENR == V4L2_CID_TEST_PATTERN_RED + 1 13401283b3b8SDave Stevenson * V4L2_CID_TEST_PATTERN_BLUE == V4L2_CID_TEST_PATTERN_RED + 2 13411283b3b8SDave Stevenson * V4L2_CID_TEST_PATTERN_GREENB == V4L2_CID_TEST_PATTERN_RED + 3 13421283b3b8SDave Stevenson */ 13431283b3b8SDave Stevenson v4l2_ctrl_new_std(ctrl_hdlr, &imx219_ctrl_ops, 13441283b3b8SDave Stevenson V4L2_CID_TEST_PATTERN_RED + i, 13451283b3b8SDave Stevenson IMX219_TESTP_COLOUR_MIN, 13461283b3b8SDave Stevenson IMX219_TESTP_COLOUR_MAX, 13471283b3b8SDave Stevenson IMX219_TESTP_COLOUR_STEP, 13481283b3b8SDave Stevenson IMX219_TESTP_COLOUR_MAX); 13491283b3b8SDave Stevenson /* The "Solid color" pattern is white by default */ 13501283b3b8SDave Stevenson } 13511283b3b8SDave Stevenson 13521283b3b8SDave Stevenson if (ctrl_hdlr->error) { 13531283b3b8SDave Stevenson ret = ctrl_hdlr->error; 13541283b3b8SDave Stevenson dev_err(&client->dev, "%s control init failed (%d)\n", 13551283b3b8SDave Stevenson __func__, ret); 13561283b3b8SDave Stevenson goto error; 13571283b3b8SDave Stevenson } 13581283b3b8SDave Stevenson 1359ad3a44cbSJacopo Mondi ret = v4l2_fwnode_device_parse(&client->dev, &props); 1360ad3a44cbSJacopo Mondi if (ret) 1361ad3a44cbSJacopo Mondi goto error; 1362ad3a44cbSJacopo Mondi 1363ad3a44cbSJacopo Mondi ret = v4l2_ctrl_new_fwnode_properties(ctrl_hdlr, &imx219_ctrl_ops, 1364ad3a44cbSJacopo Mondi &props); 1365ad3a44cbSJacopo Mondi if (ret) 1366ad3a44cbSJacopo Mondi goto error; 1367ad3a44cbSJacopo Mondi 13681283b3b8SDave Stevenson imx219->sd.ctrl_handler = ctrl_hdlr; 13691283b3b8SDave Stevenson 13701283b3b8SDave Stevenson return 0; 13711283b3b8SDave Stevenson 13721283b3b8SDave Stevenson error: 13731283b3b8SDave Stevenson v4l2_ctrl_handler_free(ctrl_hdlr); 13741283b3b8SDave Stevenson mutex_destroy(&imx219->mutex); 13751283b3b8SDave Stevenson 13761283b3b8SDave Stevenson return ret; 13771283b3b8SDave Stevenson } 13781283b3b8SDave Stevenson 13791283b3b8SDave Stevenson static void imx219_free_controls(struct imx219 *imx219) 13801283b3b8SDave Stevenson { 13811283b3b8SDave Stevenson v4l2_ctrl_handler_free(imx219->sd.ctrl_handler); 13821283b3b8SDave Stevenson mutex_destroy(&imx219->mutex); 13831283b3b8SDave Stevenson } 13841283b3b8SDave Stevenson 1385ceddfd44SAdam Ford static int imx219_check_hwcfg(struct device *dev, struct imx219 *imx219) 13861283b3b8SDave Stevenson { 13871283b3b8SDave Stevenson struct fwnode_handle *endpoint; 13881283b3b8SDave Stevenson struct v4l2_fwnode_endpoint ep_cfg = { 13891283b3b8SDave Stevenson .bus_type = V4L2_MBUS_CSI2_DPHY 13901283b3b8SDave Stevenson }; 13911283b3b8SDave Stevenson int ret = -EINVAL; 13921283b3b8SDave Stevenson 13931283b3b8SDave Stevenson endpoint = fwnode_graph_get_next_endpoint(dev_fwnode(dev), NULL); 13941283b3b8SDave Stevenson if (!endpoint) { 13951283b3b8SDave Stevenson dev_err(dev, "endpoint node not found\n"); 13961283b3b8SDave Stevenson return -EINVAL; 13971283b3b8SDave Stevenson } 13981283b3b8SDave Stevenson 13991283b3b8SDave Stevenson if (v4l2_fwnode_endpoint_alloc_parse(endpoint, &ep_cfg)) { 14001283b3b8SDave Stevenson dev_err(dev, "could not parse endpoint\n"); 14011283b3b8SDave Stevenson goto error_out; 14021283b3b8SDave Stevenson } 14031283b3b8SDave Stevenson 14041283b3b8SDave Stevenson /* Check the number of MIPI CSI2 data lanes */ 1405ceddfd44SAdam Ford if (ep_cfg.bus.mipi_csi2.num_data_lanes != 2 && 1406ceddfd44SAdam Ford ep_cfg.bus.mipi_csi2.num_data_lanes != 4) { 1407ceddfd44SAdam Ford dev_err(dev, "only 2 or 4 data lanes are currently supported\n"); 14081283b3b8SDave Stevenson goto error_out; 14091283b3b8SDave Stevenson } 1410ceddfd44SAdam Ford imx219->lanes = ep_cfg.bus.mipi_csi2.num_data_lanes; 14111283b3b8SDave Stevenson 14121283b3b8SDave Stevenson /* Check the link frequency set in device tree */ 14131283b3b8SDave Stevenson if (!ep_cfg.nr_of_link_frequencies) { 14141283b3b8SDave Stevenson dev_err(dev, "link-frequency property not found in DT\n"); 14151283b3b8SDave Stevenson goto error_out; 14161283b3b8SDave Stevenson } 14171283b3b8SDave Stevenson 14181283b3b8SDave Stevenson if (ep_cfg.nr_of_link_frequencies != 1 || 1419ceddfd44SAdam Ford (ep_cfg.link_frequencies[0] != ((imx219->lanes == 2) ? 1420ceddfd44SAdam Ford IMX219_DEFAULT_LINK_FREQ : IMX219_DEFAULT_LINK_FREQ_4LANE))) { 14211283b3b8SDave Stevenson dev_err(dev, "Link frequency not supported: %lld\n", 14221283b3b8SDave Stevenson ep_cfg.link_frequencies[0]); 14231283b3b8SDave Stevenson goto error_out; 14241283b3b8SDave Stevenson } 14251283b3b8SDave Stevenson 14261283b3b8SDave Stevenson ret = 0; 14271283b3b8SDave Stevenson 14281283b3b8SDave Stevenson error_out: 14291283b3b8SDave Stevenson v4l2_fwnode_endpoint_free(&ep_cfg); 14301283b3b8SDave Stevenson fwnode_handle_put(endpoint); 14311283b3b8SDave Stevenson 14321283b3b8SDave Stevenson return ret; 14331283b3b8SDave Stevenson } 14341283b3b8SDave Stevenson 14351283b3b8SDave Stevenson static int imx219_probe(struct i2c_client *client) 14361283b3b8SDave Stevenson { 14371283b3b8SDave Stevenson struct device *dev = &client->dev; 14381283b3b8SDave Stevenson struct imx219 *imx219; 14391283b3b8SDave Stevenson int ret; 14401283b3b8SDave Stevenson 14411283b3b8SDave Stevenson imx219 = devm_kzalloc(&client->dev, sizeof(*imx219), GFP_KERNEL); 14421283b3b8SDave Stevenson if (!imx219) 14431283b3b8SDave Stevenson return -ENOMEM; 14441283b3b8SDave Stevenson 14451283b3b8SDave Stevenson v4l2_i2c_subdev_init(&imx219->sd, client, &imx219_subdev_ops); 14461283b3b8SDave Stevenson 14471283b3b8SDave Stevenson /* Check the hardware configuration in device tree */ 1448ceddfd44SAdam Ford if (imx219_check_hwcfg(dev, imx219)) 14491283b3b8SDave Stevenson return -EINVAL; 14501283b3b8SDave Stevenson 14511283b3b8SDave Stevenson /* Get system clock (xclk) */ 14521283b3b8SDave Stevenson imx219->xclk = devm_clk_get(dev, NULL); 14531283b3b8SDave Stevenson if (IS_ERR(imx219->xclk)) { 14541283b3b8SDave Stevenson dev_err(dev, "failed to get xclk\n"); 14551283b3b8SDave Stevenson return PTR_ERR(imx219->xclk); 14561283b3b8SDave Stevenson } 14571283b3b8SDave Stevenson 14581283b3b8SDave Stevenson imx219->xclk_freq = clk_get_rate(imx219->xclk); 14591283b3b8SDave Stevenson if (imx219->xclk_freq != IMX219_XCLK_FREQ) { 14601283b3b8SDave Stevenson dev_err(dev, "xclk frequency not supported: %d Hz\n", 14611283b3b8SDave Stevenson imx219->xclk_freq); 14621283b3b8SDave Stevenson return -EINVAL; 14631283b3b8SDave Stevenson } 14641283b3b8SDave Stevenson 14651283b3b8SDave Stevenson ret = imx219_get_regulators(imx219); 14661283b3b8SDave Stevenson if (ret) { 14671283b3b8SDave Stevenson dev_err(dev, "failed to get regulators\n"); 14681283b3b8SDave Stevenson return ret; 14691283b3b8SDave Stevenson } 14701283b3b8SDave Stevenson 14711283b3b8SDave Stevenson /* Request optional enable pin */ 14721283b3b8SDave Stevenson imx219->reset_gpio = devm_gpiod_get_optional(dev, "reset", 14731283b3b8SDave Stevenson GPIOD_OUT_HIGH); 14741283b3b8SDave Stevenson 14751283b3b8SDave Stevenson /* 14761283b3b8SDave Stevenson * The sensor must be powered for imx219_identify_module() 14771283b3b8SDave Stevenson * to be able to read the CHIP_ID register 14781283b3b8SDave Stevenson */ 14791283b3b8SDave Stevenson ret = imx219_power_on(dev); 14801283b3b8SDave Stevenson if (ret) 14811283b3b8SDave Stevenson return ret; 14821283b3b8SDave Stevenson 14831283b3b8SDave Stevenson ret = imx219_identify_module(imx219); 14841283b3b8SDave Stevenson if (ret) 14851283b3b8SDave Stevenson goto error_power_off; 14861283b3b8SDave Stevenson 14871283b3b8SDave Stevenson /* Set default mode to max resolution */ 14881283b3b8SDave Stevenson imx219->mode = &supported_modes[0]; 14891283b3b8SDave Stevenson 1490ca45448aSLad Prabhakar /* sensor doesn't enter LP-11 state upon power up until and unless 1491ca45448aSLad Prabhakar * streaming is started, so upon power up switch the modes to: 1492ca45448aSLad Prabhakar * streaming -> standby 1493ca45448aSLad Prabhakar */ 1494ca45448aSLad Prabhakar ret = imx219_write_reg(imx219, IMX219_REG_MODE_SELECT, 1495ca45448aSLad Prabhakar IMX219_REG_VALUE_08BIT, IMX219_MODE_STREAMING); 1496ca45448aSLad Prabhakar if (ret < 0) 1497ca45448aSLad Prabhakar goto error_power_off; 1498ca45448aSLad Prabhakar usleep_range(100, 110); 1499ca45448aSLad Prabhakar 1500ca45448aSLad Prabhakar /* put sensor back to standby mode */ 1501ca45448aSLad Prabhakar ret = imx219_write_reg(imx219, IMX219_REG_MODE_SELECT, 1502ca45448aSLad Prabhakar IMX219_REG_VALUE_08BIT, IMX219_MODE_STANDBY); 1503ca45448aSLad Prabhakar if (ret < 0) 1504ca45448aSLad Prabhakar goto error_power_off; 1505ca45448aSLad Prabhakar usleep_range(100, 110); 1506ca45448aSLad Prabhakar 15071283b3b8SDave Stevenson ret = imx219_init_controls(imx219); 15081283b3b8SDave Stevenson if (ret) 15091283b3b8SDave Stevenson goto error_power_off; 15101283b3b8SDave Stevenson 15111283b3b8SDave Stevenson /* Initialize subdev */ 1512defbac5dSDave Stevenson imx219->sd.flags |= V4L2_SUBDEV_FL_HAS_DEVNODE | 1513defbac5dSDave Stevenson V4L2_SUBDEV_FL_HAS_EVENTS; 15141283b3b8SDave Stevenson imx219->sd.entity.function = MEDIA_ENT_F_CAM_SENSOR; 15151283b3b8SDave Stevenson 15161283b3b8SDave Stevenson /* Initialize source pad */ 15171283b3b8SDave Stevenson imx219->pad.flags = MEDIA_PAD_FL_SOURCE; 15181283b3b8SDave Stevenson 151922da1d56SLad Prabhakar /* Initialize default format */ 152022da1d56SLad Prabhakar imx219_set_default_format(imx219); 152122da1d56SLad Prabhakar 15221283b3b8SDave Stevenson ret = media_entity_pads_init(&imx219->sd.entity, 1, &imx219->pad); 15231283b3b8SDave Stevenson if (ret) { 15241283b3b8SDave Stevenson dev_err(dev, "failed to init entity pads: %d\n", ret); 15251283b3b8SDave Stevenson goto error_handler_free; 15261283b3b8SDave Stevenson } 15271283b3b8SDave Stevenson 152815786f7bSSakari Ailus ret = v4l2_async_register_subdev_sensor(&imx219->sd); 15291283b3b8SDave Stevenson if (ret < 0) { 15301283b3b8SDave Stevenson dev_err(dev, "failed to register sensor sub-device: %d\n", ret); 15311283b3b8SDave Stevenson goto error_media_entity; 15321283b3b8SDave Stevenson } 15331283b3b8SDave Stevenson 15341283b3b8SDave Stevenson /* Enable runtime PM and turn off the device */ 15351283b3b8SDave Stevenson pm_runtime_set_active(dev); 15361283b3b8SDave Stevenson pm_runtime_enable(dev); 15371283b3b8SDave Stevenson pm_runtime_idle(dev); 15381283b3b8SDave Stevenson 15391283b3b8SDave Stevenson return 0; 15401283b3b8SDave Stevenson 15411283b3b8SDave Stevenson error_media_entity: 15421283b3b8SDave Stevenson media_entity_cleanup(&imx219->sd.entity); 15431283b3b8SDave Stevenson 15441283b3b8SDave Stevenson error_handler_free: 15451283b3b8SDave Stevenson imx219_free_controls(imx219); 15461283b3b8SDave Stevenson 15471283b3b8SDave Stevenson error_power_off: 15481283b3b8SDave Stevenson imx219_power_off(dev); 15491283b3b8SDave Stevenson 15501283b3b8SDave Stevenson return ret; 15511283b3b8SDave Stevenson } 15521283b3b8SDave Stevenson 1553ed5c2f5fSUwe Kleine-König static void imx219_remove(struct i2c_client *client) 15541283b3b8SDave Stevenson { 15551283b3b8SDave Stevenson struct v4l2_subdev *sd = i2c_get_clientdata(client); 15561283b3b8SDave Stevenson struct imx219 *imx219 = to_imx219(sd); 15571283b3b8SDave Stevenson 15581283b3b8SDave Stevenson v4l2_async_unregister_subdev(sd); 15591283b3b8SDave Stevenson media_entity_cleanup(&sd->entity); 15601283b3b8SDave Stevenson imx219_free_controls(imx219); 15611283b3b8SDave Stevenson 15621283b3b8SDave Stevenson pm_runtime_disable(&client->dev); 15631283b3b8SDave Stevenson if (!pm_runtime_status_suspended(&client->dev)) 15641283b3b8SDave Stevenson imx219_power_off(&client->dev); 15651283b3b8SDave Stevenson pm_runtime_set_suspended(&client->dev); 15661283b3b8SDave Stevenson } 15671283b3b8SDave Stevenson 15681283b3b8SDave Stevenson static const struct of_device_id imx219_dt_ids[] = { 15691283b3b8SDave Stevenson { .compatible = "sony,imx219" }, 15701283b3b8SDave Stevenson { /* sentinel */ } 15711283b3b8SDave Stevenson }; 15721283b3b8SDave Stevenson MODULE_DEVICE_TABLE(of, imx219_dt_ids); 15731283b3b8SDave Stevenson 15741283b3b8SDave Stevenson static const struct dev_pm_ops imx219_pm_ops = { 15751283b3b8SDave Stevenson SET_SYSTEM_SLEEP_PM_OPS(imx219_suspend, imx219_resume) 15761283b3b8SDave Stevenson SET_RUNTIME_PM_OPS(imx219_power_off, imx219_power_on, NULL) 15771283b3b8SDave Stevenson }; 15781283b3b8SDave Stevenson 15791283b3b8SDave Stevenson static struct i2c_driver imx219_i2c_driver = { 15801283b3b8SDave Stevenson .driver = { 15811283b3b8SDave Stevenson .name = "imx219", 15821283b3b8SDave Stevenson .of_match_table = imx219_dt_ids, 15831283b3b8SDave Stevenson .pm = &imx219_pm_ops, 15841283b3b8SDave Stevenson }, 1585aaeb31c0SUwe Kleine-König .probe = imx219_probe, 15861283b3b8SDave Stevenson .remove = imx219_remove, 15871283b3b8SDave Stevenson }; 15881283b3b8SDave Stevenson 15891283b3b8SDave Stevenson module_i2c_driver(imx219_i2c_driver); 15901283b3b8SDave Stevenson 15911283b3b8SDave Stevenson MODULE_AUTHOR("Dave Stevenson <dave.stevenson@raspberrypi.com"); 15921283b3b8SDave Stevenson MODULE_DESCRIPTION("Sony IMX219 sensor driver"); 15931283b3b8SDave Stevenson MODULE_LICENSE("GPL v2"); 1594