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author | Álvaro Fernández Rojas <noltari@gmail.com> | 2022-05-16 23:40:32 +0200 |
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committer | Álvaro Fernández Rojas <noltari@gmail.com> | 2022-05-17 15:11:22 +0200 |
commit | 20ea6adbf199097c4f5f591ffee088340630dae4 (patch) | |
tree | d6719d95e136611a1c25bbf7789652d6d402779d /target/linux/bcm27xx/patches-5.15/950-0521-media-i2c-Add-driver-for-IMX519-sensor.patch | |
parent | bca05bd072180dc38ef740b37ded9572a6db1981 (diff) | |
download | upstream-20ea6adbf199097c4f5f591ffee088340630dae4.tar.gz upstream-20ea6adbf199097c4f5f591ffee088340630dae4.tar.bz2 upstream-20ea6adbf199097c4f5f591ffee088340630dae4.zip |
bcm27xx: add support for linux v5.15
Build system: x86_64
Build-tested: bcm2708, bcm2709, bcm2710, bcm2711
Run-tested: bcm2708/RPiB+, bcm2709/RPi3B, bcm2710/RPi3B, bcm2711/RPi4B
Signed-off-by: Marty Jones <mj8263788@gmail.com>
Signed-off-by: Álvaro Fernández Rojas <noltari@gmail.com>
Diffstat (limited to 'target/linux/bcm27xx/patches-5.15/950-0521-media-i2c-Add-driver-for-IMX519-sensor.patch')
-rw-r--r-- | target/linux/bcm27xx/patches-5.15/950-0521-media-i2c-Add-driver-for-IMX519-sensor.patch | 2082 |
1 files changed, 2082 insertions, 0 deletions
diff --git a/target/linux/bcm27xx/patches-5.15/950-0521-media-i2c-Add-driver-for-IMX519-sensor.patch b/target/linux/bcm27xx/patches-5.15/950-0521-media-i2c-Add-driver-for-IMX519-sensor.patch new file mode 100644 index 0000000000..de891a00b5 --- /dev/null +++ b/target/linux/bcm27xx/patches-5.15/950-0521-media-i2c-Add-driver-for-IMX519-sensor.patch @@ -0,0 +1,2082 @@ +From b47705e22313bb8621e66f4596581f671e986225 Mon Sep 17 00:00:00 2001 +From: Lee Jackson <info@arducam.com> +Date: Fri, 27 Aug 2021 13:48:52 +0800 +Subject: [PATCH] media: i2c: Add driver for IMX519 sensor + +Adds a driver for the 16MPix IMX519 CSI2 sensor. +Whilst the sensor supports 2 or 4 CSI2 data lanes, this driver +currently only supports 2 lanes. + +The following Bayer modes are currently available: + +4656x3496 10-bit @ 10fps +3840x2160 10-bit (cropped) @ 21fps +2328x1748 10-bit (binned) @ 30fps +1920x1080 10-bit (cropped/binned) @ 60fps +1280x720 10-bit (cropped/binned) @ 120fps + +Signed-off-by: Lee Jackson <info@arducam.com> +--- + drivers/media/i2c/Kconfig | 11 + + drivers/media/i2c/Makefile | 1 + + drivers/media/i2c/imx519.c | 2024 ++++++++++++++++++++++++++++++++++++ + 3 files changed, 2036 insertions(+) + create mode 100644 drivers/media/i2c/imx519.c + +--- a/drivers/media/i2c/Kconfig ++++ b/drivers/media/i2c/Kconfig +@@ -894,6 +894,17 @@ config VIDEO_IMX412 + To compile this driver as a module, choose M here: the + module will be called imx412. + ++config VIDEO_IMX519 ++ tristate "Arducam IMX519 sensor support" ++ depends on I2C && VIDEO_V4L2 && VIDEO_V4L2_SUBDEV_API ++ depends on MEDIA_CAMERA_SUPPORT ++ help ++ This is a Video4Linux2 sensor driver for the Arducam ++ IMX519 camera. ++ ++ To compile this driver as a module, choose M here: the ++ module will be called IMX519. ++ + config VIDEO_OV02A10 + tristate "OmniVision OV02A10 sensor support" + depends on VIDEO_V4L2 && I2C +--- a/drivers/media/i2c/Makefile ++++ b/drivers/media/i2c/Makefile +@@ -131,6 +131,7 @@ obj-$(CONFIG_VIDEO_IMX334) += imx334.o + obj-$(CONFIG_VIDEO_IMX335) += imx335.o + obj-$(CONFIG_VIDEO_IMX355) += imx355.o + obj-$(CONFIG_VIDEO_IMX412) += imx412.o ++obj-$(CONFIG_VIDEO_IMX519) += imx519.o + obj-$(CONFIG_VIDEO_MAX9286) += max9286.o + obj-$(CONFIG_VIDEO_MAX9271_LIB) += max9271.o + obj-$(CONFIG_VIDEO_RDACM20) += rdacm20.o +--- /dev/null ++++ b/drivers/media/i2c/imx519.c +@@ -0,0 +1,2024 @@ ++// SPDX-License-Identifier: GPL-2.0 ++/* ++ * A V4L2 driver for Sony IMX519 cameras. ++ * Copyright (C) 2021 Arducam Technology co., Ltd. ++ * ++ * Based on Sony IMX477 camera driver ++ * Copyright (C) 2020 Raspberry Pi (Trading) Ltd ++ */ ++#include <asm/unaligned.h> ++#include <linux/clk.h> ++#include <linux/delay.h> ++#include <linux/gpio/consumer.h> ++#include <linux/i2c.h> ++#include <linux/module.h> ++#include <linux/of_device.h> ++#include <linux/pm_runtime.h> ++#include <linux/regulator/consumer.h> ++#include <media/v4l2-ctrls.h> ++#include <media/v4l2-device.h> ++#include <media/v4l2-event.h> ++#include <media/v4l2-fwnode.h> ++#include <media/v4l2-mediabus.h> ++ ++#define IMX519_REG_VALUE_08BIT 1 ++#define IMX519_REG_VALUE_16BIT 2 ++ ++/* Chip ID */ ++#define IMX519_REG_CHIP_ID 0x0016 ++#define IMX519_CHIP_ID 0x0519 ++ ++#define IMX519_REG_MODE_SELECT 0x0100 ++#define IMX519_MODE_STANDBY 0x00 ++#define IMX519_MODE_STREAMING 0x01 ++ ++#define IMX519_REG_ORIENTATION 0x101 ++ ++#define IMX519_XCLK_FREQ 24000000 ++ ++#define IMX519_DEFAULT_LINK_FREQ 493500000 ++ ++/* Pixel rate is fixed at 686MHz for all the modes */ ++#define IMX519_PIXEL_RATE 686000000 ++ ++/* V_TIMING internal */ ++#define IMX519_REG_FRAME_LENGTH 0x0340 ++#define IMX519_FRAME_LENGTH_MAX 0xffdc ++ ++/* Long exposure multiplier */ ++#define IMX519_LONG_EXP_SHIFT_MAX 7 ++#define IMX519_LONG_EXP_SHIFT_REG 0x3100 ++ ++/* Exposure control */ ++#define IMX519_REG_EXPOSURE 0x0202 ++#define IMX519_EXPOSURE_OFFSET 32 ++#define IMX519_EXPOSURE_MIN 1 ++#define IMX519_EXPOSURE_STEP 1 ++#define IMX519_EXPOSURE_DEFAULT 0x3e8 ++#define IMX519_EXPOSURE_MAX (IMX519_FRAME_LENGTH_MAX - \ ++ IMX519_EXPOSURE_OFFSET) ++ ++/* Analog gain control */ ++#define IMX519_REG_ANALOG_GAIN 0x0204 ++#define IMX519_ANA_GAIN_MIN 0 ++#define IMX519_ANA_GAIN_MAX 960 ++#define IMX519_ANA_GAIN_STEP 1 ++#define IMX519_ANA_GAIN_DEFAULT 0x0 ++ ++/* Digital gain control */ ++#define IMX519_REG_DIGITAL_GAIN 0x020e ++#define IMX519_DGTL_GAIN_MIN 0x0100 ++#define IMX519_DGTL_GAIN_MAX 0xffff ++#define IMX519_DGTL_GAIN_DEFAULT 0x0100 ++#define IMX519_DGTL_GAIN_STEP 1 ++ ++/* Test Pattern Control */ ++#define IMX519_REG_TEST_PATTERN 0x0600 ++#define IMX519_TEST_PATTERN_DISABLE 0 ++#define IMX519_TEST_PATTERN_SOLID_COLOR 1 ++#define IMX519_TEST_PATTERN_COLOR_BARS 2 ++#define IMX519_TEST_PATTERN_GREY_COLOR 3 ++#define IMX519_TEST_PATTERN_PN9 4 ++ ++/* Test pattern colour components */ ++#define IMX519_REG_TEST_PATTERN_R 0x0602 ++#define IMX519_REG_TEST_PATTERN_GR 0x0604 ++#define IMX519_REG_TEST_PATTERN_B 0x0606 ++#define IMX519_REG_TEST_PATTERN_GB 0x0608 ++#define IMX519_TEST_PATTERN_COLOUR_MIN 0 ++#define IMX519_TEST_PATTERN_COLOUR_MAX 0x0fff ++#define IMX519_TEST_PATTERN_COLOUR_STEP 1 ++#define IMX519_TEST_PATTERN_R_DEFAULT IMX519_TEST_PATTERN_COLOUR_MAX ++#define IMX519_TEST_PATTERN_GR_DEFAULT 0 ++#define IMX519_TEST_PATTERN_B_DEFAULT 0 ++#define IMX519_TEST_PATTERN_GB_DEFAULT 0 ++ ++/* IMX519 native and active pixel array size. */ ++#define IMX519_NATIVE_WIDTH 4672U ++#define IMX519_NATIVE_HEIGHT 3648U ++#define IMX519_PIXEL_ARRAY_LEFT 8U ++#define IMX519_PIXEL_ARRAY_TOP 48U ++#define IMX519_PIXEL_ARRAY_WIDTH 4656U ++#define IMX519_PIXEL_ARRAY_HEIGHT 3496U ++ ++struct imx519_reg { ++ u16 address; ++ u8 val; ++}; ++ ++struct imx519_reg_list { ++ unsigned int num_of_regs; ++ const struct imx519_reg *regs; ++}; ++ ++/* Mode : resolution and related config&values */ ++struct imx519_mode { ++ /* Frame width */ ++ unsigned int width; ++ ++ /* Frame height */ ++ unsigned int height; ++ ++ /* H-timing in pixels */ ++ unsigned int line_length_pix; ++ ++ /* Analog crop rectangle. */ ++ struct v4l2_rect crop; ++ ++ /* Highest possible framerate. */ ++ struct v4l2_fract timeperframe_min; ++ ++ /* Default framerate. */ ++ struct v4l2_fract timeperframe_default; ++ ++ /* Default register values */ ++ struct imx519_reg_list reg_list; ++}; ++ ++static const struct imx519_reg mode_common_regs[] = { ++ {0x0136, 0x18}, ++ {0x0137, 0x00}, ++ {0x3c7e, 0x01}, ++ {0x3c7f, 0x07}, ++ {0x3020, 0x00}, ++ {0x3e35, 0x01}, ++ {0x3f7f, 0x01}, ++ {0x5609, 0x57}, ++ {0x5613, 0x51}, ++ {0x561f, 0x5e}, ++ {0x5623, 0xd2}, ++ {0x5637, 0x11}, ++ {0x5657, 0x11}, ++ {0x5659, 0x12}, ++ {0x5733, 0x60}, ++ {0x5905, 0x57}, ++ {0x590f, 0x51}, ++ {0x591b, 0x5e}, ++ {0x591f, 0xd2}, ++ {0x5933, 0x11}, ++ {0x5953, 0x11}, ++ {0x5955, 0x12}, ++ {0x5a2f, 0x60}, ++ {0x5a85, 0x57}, ++ {0x5a8f, 0x51}, ++ {0x5a9b, 0x5e}, ++ {0x5a9f, 0xd2}, ++ {0x5ab3, 0x11}, ++ {0x5ad3, 0x11}, ++ {0x5ad5, 0x12}, ++ {0x5baf, 0x60}, ++ {0x5c15, 0x2a}, ++ {0x5c17, 0x80}, ++ {0x5c19, 0x31}, ++ {0x5c1b, 0x87}, ++ {0x5c25, 0x25}, ++ {0x5c27, 0x7b}, ++ {0x5c29, 0x2a}, ++ {0x5c2b, 0x80}, ++ {0x5c2d, 0x31}, ++ {0x5c2f, 0x87}, ++ {0x5c35, 0x2b}, ++ {0x5c37, 0x81}, ++ {0x5c39, 0x31}, ++ {0x5c3b, 0x87}, ++ {0x5c45, 0x25}, ++ {0x5c47, 0x7b}, ++ {0x5c49, 0x2a}, ++ {0x5c4b, 0x80}, ++ {0x5c4d, 0x31}, ++ {0x5c4f, 0x87}, ++ {0x5c55, 0x2d}, ++ {0x5c57, 0x83}, ++ {0x5c59, 0x32}, ++ {0x5c5b, 0x88}, ++ {0x5c65, 0x29}, ++ {0x5c67, 0x7f}, ++ {0x5c69, 0x2e}, ++ {0x5c6b, 0x84}, ++ {0x5c6d, 0x32}, ++ {0x5c6f, 0x88}, ++ {0x5e69, 0x04}, ++ {0x5e9d, 0x00}, ++ {0x5f18, 0x10}, ++ {0x5f1a, 0x0e}, ++ {0x5f20, 0x12}, ++ {0x5f22, 0x10}, ++ {0x5f24, 0x0e}, ++ {0x5f28, 0x10}, ++ {0x5f2a, 0x0e}, ++ {0x5f30, 0x12}, ++ {0x5f32, 0x10}, ++ {0x5f34, 0x0e}, ++ {0x5f38, 0x0f}, ++ {0x5f39, 0x0d}, ++ {0x5f3c, 0x11}, ++ {0x5f3d, 0x0f}, ++ {0x5f3e, 0x0d}, ++ {0x5f61, 0x07}, ++ {0x5f64, 0x05}, ++ {0x5f67, 0x03}, ++ {0x5f6a, 0x03}, ++ {0x5f6d, 0x07}, ++ {0x5f70, 0x07}, ++ {0x5f73, 0x05}, ++ {0x5f76, 0x02}, ++ {0x5f79, 0x07}, ++ {0x5f7c, 0x07}, ++ {0x5f7f, 0x07}, ++ {0x5f82, 0x07}, ++ {0x5f85, 0x03}, ++ {0x5f88, 0x02}, ++ {0x5f8b, 0x01}, ++ {0x5f8e, 0x01}, ++ {0x5f91, 0x04}, ++ {0x5f94, 0x05}, ++ {0x5f97, 0x02}, ++ {0x5f9d, 0x07}, ++ {0x5fa0, 0x07}, ++ {0x5fa3, 0x07}, ++ {0x5fa6, 0x07}, ++ {0x5fa9, 0x03}, ++ {0x5fac, 0x01}, ++ {0x5faf, 0x01}, ++ {0x5fb5, 0x03}, ++ {0x5fb8, 0x02}, ++ {0x5fbb, 0x01}, ++ {0x5fc1, 0x07}, ++ {0x5fc4, 0x07}, ++ {0x5fc7, 0x07}, ++ {0x5fd1, 0x00}, ++ {0x6302, 0x79}, ++ {0x6305, 0x78}, ++ {0x6306, 0xa5}, ++ {0x6308, 0x03}, ++ {0x6309, 0x20}, ++ {0x630b, 0x0a}, ++ {0x630d, 0x48}, ++ {0x630f, 0x06}, ++ {0x6311, 0xa4}, ++ {0x6313, 0x03}, ++ {0x6314, 0x20}, ++ {0x6316, 0x0a}, ++ {0x6317, 0x31}, ++ {0x6318, 0x4a}, ++ {0x631a, 0x06}, ++ {0x631b, 0x40}, ++ {0x631c, 0xa4}, ++ {0x631e, 0x03}, ++ {0x631f, 0x20}, ++ {0x6321, 0x0a}, ++ {0x6323, 0x4a}, ++ {0x6328, 0x80}, ++ {0x6329, 0x01}, ++ {0x632a, 0x30}, ++ {0x632b, 0x02}, ++ {0x632c, 0x20}, ++ {0x632d, 0x02}, ++ {0x632e, 0x30}, ++ {0x6330, 0x60}, ++ {0x6332, 0x90}, ++ {0x6333, 0x01}, ++ {0x6334, 0x30}, ++ {0x6335, 0x02}, ++ {0x6336, 0x20}, ++ {0x6338, 0x80}, ++ {0x633a, 0xa0}, ++ {0x633b, 0x01}, ++ {0x633c, 0x60}, ++ {0x633d, 0x02}, ++ {0x633e, 0x60}, ++ {0x633f, 0x01}, ++ {0x6340, 0x30}, ++ {0x6341, 0x02}, ++ {0x6342, 0x20}, ++ {0x6343, 0x03}, ++ {0x6344, 0x80}, ++ {0x6345, 0x03}, ++ {0x6346, 0x90}, ++ {0x6348, 0xf0}, ++ {0x6349, 0x01}, ++ {0x634a, 0x20}, ++ {0x634b, 0x02}, ++ {0x634c, 0x10}, ++ {0x634d, 0x03}, ++ {0x634e, 0x60}, ++ {0x6350, 0xa0}, ++ {0x6351, 0x01}, ++ {0x6352, 0x60}, ++ {0x6353, 0x02}, ++ {0x6354, 0x50}, ++ {0x6355, 0x02}, ++ {0x6356, 0x60}, ++ {0x6357, 0x01}, ++ {0x6358, 0x30}, ++ {0x6359, 0x02}, ++ {0x635a, 0x30}, ++ {0x635b, 0x03}, ++ {0x635c, 0x90}, ++ {0x635f, 0x01}, ++ {0x6360, 0x10}, ++ {0x6361, 0x01}, ++ {0x6362, 0x40}, ++ {0x6363, 0x02}, ++ {0x6364, 0x50}, ++ {0x6368, 0x70}, ++ {0x636a, 0xa0}, ++ {0x636b, 0x01}, ++ {0x636c, 0x50}, ++ {0x637d, 0xe4}, ++ {0x637e, 0xb4}, ++ {0x638c, 0x8e}, ++ {0x638d, 0x38}, ++ {0x638e, 0xe3}, ++ {0x638f, 0x4c}, ++ {0x6390, 0x30}, ++ {0x6391, 0xc3}, ++ {0x6392, 0xae}, ++ {0x6393, 0xba}, ++ {0x6394, 0xeb}, ++ {0x6395, 0x6e}, ++ {0x6396, 0x34}, ++ {0x6397, 0xe3}, ++ {0x6398, 0xcf}, ++ {0x6399, 0x3c}, ++ {0x639a, 0xf3}, ++ {0x639b, 0x0c}, ++ {0x639c, 0x30}, ++ {0x639d, 0xc1}, ++ {0x63b9, 0xa3}, ++ {0x63ba, 0xfe}, ++ {0x7600, 0x01}, ++ {0x79a0, 0x01}, ++ {0x79a1, 0x01}, ++ {0x79a2, 0x01}, ++ {0x79a3, 0x01}, ++ {0x79a4, 0x01}, ++ {0x79a5, 0x20}, ++ {0x79a9, 0x00}, ++ {0x79aa, 0x01}, ++ {0x79ad, 0x00}, ++ {0x79af, 0x00}, ++ {0x8173, 0x01}, ++ {0x835c, 0x01}, ++ {0x8a74, 0x01}, ++ {0x8c1f, 0x00}, ++ {0x8c27, 0x00}, ++ {0x8c3b, 0x03}, ++ {0x9004, 0x0b}, ++ {0x920c, 0x6a}, ++ {0x920d, 0x22}, ++ {0x920e, 0x6a}, ++ {0x920f, 0x23}, ++ {0x9214, 0x6a}, ++ {0x9215, 0x20}, ++ {0x9216, 0x6a}, ++ {0x9217, 0x21}, ++ {0x9385, 0x3e}, ++ {0x9387, 0x1b}, ++ {0x938d, 0x4d}, ++ {0x938f, 0x43}, ++ {0x9391, 0x1b}, ++ {0x9395, 0x4d}, ++ {0x9397, 0x43}, ++ {0x9399, 0x1b}, ++ {0x939d, 0x3e}, ++ {0x939f, 0x2f}, ++ {0x93a5, 0x43}, ++ {0x93a7, 0x2f}, ++ {0x93a9, 0x2f}, ++ {0x93ad, 0x34}, ++ {0x93af, 0x2f}, ++ {0x93b5, 0x3e}, ++ {0x93b7, 0x2f}, ++ {0x93bd, 0x4d}, ++ {0x93bf, 0x43}, ++ {0x93c1, 0x2f}, ++ {0x93c5, 0x4d}, ++ {0x93c7, 0x43}, ++ {0x93c9, 0x2f}, ++ {0x974b, 0x02}, ++ {0x995c, 0x8c}, ++ {0x995d, 0x00}, ++ {0x995e, 0x00}, ++ {0x9963, 0x64}, ++ {0x9964, 0x50}, ++ {0xaa0a, 0x26}, ++ {0xae03, 0x04}, ++ {0xae04, 0x03}, ++ {0xae05, 0x03}, ++ {0xbc1c, 0x08}, ++ {0xbcf1, 0x02}, ++}; ++ ++/* 16 mpix 10fps */ ++static const struct imx519_reg mode_4656x3496_regs[] = { ++ {0x0111, 0x02}, ++ {0x0112, 0x0a}, ++ {0x0113, 0x0a}, ++ {0x0114, 0x01}, ++ {0x0342, 0x42}, ++ {0x0343, 0x00}, ++ {0x0340, 0x0d}, ++ {0x0341, 0xf4}, ++ {0x0344, 0x00}, ++ {0x0345, 0x00}, ++ {0x0346, 0x00}, ++ {0x0347, 0x00}, ++ {0x0348, 0x12}, ++ {0x0349, 0x2f}, ++ {0x034a, 0x0d}, ++ {0x034b, 0xa7}, ++ {0x0220, 0x00}, ++ {0x0221, 0x11}, ++ {0x0222, 0x01}, ++ {0x0900, 0x00}, ++ {0x0901, 0x11}, ++ {0x0902, 0x0a}, ++ {0x3f4c, 0x01}, ++ {0x3f4d, 0x01}, ++ {0x4254, 0x7f}, ++ {0x0401, 0x00}, ++ {0x0404, 0x00}, ++ {0x0405, 0x10}, ++ {0x0408, 0x00}, ++ {0x0409, 0x00}, ++ {0x040a, 0x00}, ++ {0x040b, 0x00}, ++ {0x040c, 0x12}, ++ {0x040d, 0x30}, ++ {0x040e, 0x0d}, ++ {0x040f, 0xa8}, ++ {0x034c, 0x12}, ++ {0x034d, 0x30}, ++ {0x034e, 0x0d}, ++ {0x034f, 0xa8}, ++ {0x0301, 0x06}, ++ {0x0303, 0x04}, ++ {0x0305, 0x04}, ++ {0x0306, 0x01}, ++ {0x0307, 0x57}, ++ {0x0309, 0x0a}, ++ {0x030b, 0x02}, ++ {0x030d, 0x04}, ++ {0x030e, 0x01}, ++ {0x030f, 0x49}, ++ {0x0310, 0x01}, ++ {0x0820, 0x07}, ++ {0x0821, 0xb6}, ++ {0x0822, 0x00}, ++ {0x0823, 0x00}, ++ {0x3e20, 0x01}, ++ {0x3e37, 0x00}, ++ {0x3e3b, 0x00}, ++ {0x0106, 0x00}, ++ {0x0b00, 0x00}, ++ {0x3230, 0x00}, ++ {0x3f14, 0x01}, ++ {0x3f3c, 0x01}, ++ {0x3f0d, 0x0a}, ++ {0x3fbc, 0x00}, ++ {0x3c06, 0x00}, ++ {0x3c07, 0x48}, ++ {0x3c0a, 0x00}, ++ {0x3c0b, 0x00}, ++ {0x3f78, 0x00}, ++ {0x3f79, 0x40}, ++ {0x3f7c, 0x00}, ++ {0x3f7d, 0x00}, ++}; ++ ++/* 4k 21fps mode */ ++static const struct imx519_reg mode_3840x2160_regs[] = { ++ {0x0111, 0x02}, ++ {0x0112, 0x0a}, ++ {0x0113, 0x0a}, ++ {0x0114, 0x01}, ++ {0x0342, 0x38}, ++ {0x0343, 0x70}, ++ {0x0340, 0x08}, ++ {0x0341, 0xd4}, ++ {0x0344, 0x01}, ++ {0x0345, 0x98}, ++ {0x0346, 0x02}, ++ {0x0347, 0xa0}, ++ {0x0348, 0x10}, ++ {0x0349, 0x97}, ++ {0x034a, 0x0b}, ++ {0x034b, 0x17}, ++ {0x0220, 0x00}, ++ {0x0221, 0x11}, ++ {0x0222, 0x01}, ++ {0x0900, 0x00}, ++ {0x0901, 0x11}, ++ {0x0902, 0x0a}, ++ {0x3f4c, 0x01}, ++ {0x3f4d, 0x01}, ++ {0x4254, 0x7f}, ++ {0x0401, 0x00}, ++ {0x0404, 0x00}, ++ {0x0405, 0x10}, ++ {0x0408, 0x00}, ++ {0x0409, 0x00}, ++ {0x040a, 0x00}, ++ {0x040b, 0x00}, ++ {0x040c, 0x0f}, ++ {0x040d, 0x00}, ++ {0x040e, 0x08}, ++ {0x040f, 0x70}, ++ {0x034c, 0x0f}, ++ {0x034d, 0x00}, ++ {0x034e, 0x08}, ++ {0x034f, 0x70}, ++ {0x0301, 0x06}, ++ {0x0303, 0x04}, ++ {0x0305, 0x04}, ++ {0x0306, 0x01}, ++ {0x0307, 0x57}, ++ {0x0309, 0x0a}, ++ {0x030b, 0x02}, ++ {0x030d, 0x04}, ++ {0x030e, 0x01}, ++ {0x030f, 0x49}, ++ {0x0310, 0x01}, ++ {0x0820, 0x07}, ++ {0x0821, 0xb6}, ++ {0x0822, 0x00}, ++ {0x0823, 0x00}, ++ {0x3e20, 0x01}, ++ {0x3e37, 0x00}, ++ {0x3e3b, 0x00}, ++ {0x0106, 0x00}, ++ {0x0b00, 0x00}, ++ {0x3230, 0x00}, ++ {0x3f14, 0x01}, ++ {0x3f3c, 0x01}, ++ {0x3f0d, 0x0a}, ++ {0x3fbc, 0x00}, ++ {0x3c06, 0x00}, ++ {0x3c07, 0x48}, ++ {0x3c0a, 0x00}, ++ {0x3c0b, 0x00}, ++ {0x3f78, 0x00}, ++ {0x3f79, 0x40}, ++ {0x3f7c, 0x00}, ++ {0x3f7d, 0x00}, ++}; ++ ++/* 2x2 binned 30fps mode */ ++static const struct imx519_reg mode_2328x1748_regs[] = { ++ {0x0111, 0x02}, ++ {0x0112, 0x0a}, ++ {0x0113, 0x0a}, ++ {0x0114, 0x01}, ++ {0x0342, 0x24}, ++ {0x0343, 0x12}, ++ {0x0340, 0x09}, ++ {0x0341, 0xac}, ++ {0x0344, 0x00}, ++ {0x0345, 0x00}, ++ {0x0346, 0x00}, ++ {0x0347, 0x00}, ++ {0x0348, 0x12}, ++ {0x0349, 0x2f}, ++ {0x034a, 0x0d}, ++ {0x034b, 0xa7}, ++ {0x0220, 0x00}, ++ {0x0221, 0x11}, ++ {0x0222, 0x01}, ++ {0x0900, 0x01}, ++ {0x0901, 0x22}, ++ {0x0902, 0x0a}, ++ {0x3f4c, 0x01}, ++ {0x3f4d, 0x01}, ++ {0x4254, 0x7f}, ++ {0x0401, 0x00}, ++ {0x0404, 0x00}, ++ {0x0405, 0x10}, ++ {0x0408, 0x00}, ++ {0x0409, 0x00}, ++ {0x040a, 0x00}, ++ {0x040b, 0x00}, ++ {0x040c, 0x09}, ++ {0x040d, 0x18}, ++ {0x040e, 0x06}, ++ {0x040f, 0xd4}, ++ {0x034c, 0x09}, ++ {0x034d, 0x18}, ++ {0x034e, 0x06}, ++ {0x034f, 0xd4}, ++ {0x0301, 0x06}, ++ {0x0303, 0x04}, ++ {0x0305, 0x04}, ++ {0x0306, 0x01}, ++ {0x0307, 0x57}, ++ {0x0309, 0x0a}, ++ {0x030b, 0x02}, ++ {0x030d, 0x04}, ++ {0x030e, 0x01}, ++ {0x030f, 0x49}, ++ {0x0310, 0x01}, ++ {0x0820, 0x07}, ++ {0x0821, 0xb6}, ++ {0x0822, 0x00}, ++ {0x0823, 0x00}, ++ {0x3e20, 0x01}, ++ {0x3e37, 0x00}, ++ {0x3e3b, 0x00}, ++ {0x0106, 0x00}, ++ {0x0b00, 0x00}, ++ {0x3230, 0x00}, ++ {0x3f14, 0x01}, ++ {0x3f3c, 0x01}, ++ {0x3f0d, 0x0a}, ++ {0x3fbc, 0x00}, ++ {0x3c06, 0x00}, ++ {0x3c07, 0x48}, ++ {0x3c0a, 0x00}, ++ {0x3c0b, 0x00}, ++ {0x3f78, 0x00}, ++ {0x3f79, 0x40}, ++ {0x3f7c, 0x00}, ++ {0x3f7d, 0x00}, ++}; ++ ++/* 1080p 60fps mode */ ++static const struct imx519_reg mode_1920x1080_regs[] = { ++ {0x0111, 0x02}, ++ {0x0112, 0x0a}, ++ {0x0113, 0x0a}, ++ {0x0114, 0x01}, ++ {0x0342, 0x25}, ++ {0x0343, 0xd9}, ++ {0x0340, 0x04}, ++ {0x0341, 0x9c}, ++ {0x0344, 0x01}, ++ {0x0345, 0x98}, ++ {0x0346, 0x02}, ++ {0x0347, 0xa2}, ++ {0x0348, 0x10}, ++ {0x0349, 0x97}, ++ {0x034a, 0x0b}, ++ {0x034b, 0x15}, ++ {0x0220, 0x00}, ++ {0x0221, 0x11}, ++ {0x0222, 0x01}, ++ {0x0900, 0x01}, ++ {0x0901, 0x22}, ++ {0x0902, 0x0a}, ++ {0x3f4c, 0x01}, ++ {0x3f4d, 0x01}, ++ {0x4254, 0x7f}, ++ {0x0401, 0x00}, ++ {0x0404, 0x00}, ++ {0x0405, 0x10}, ++ {0x0408, 0x00}, ++ {0x0409, 0x00}, ++ {0x040a, 0x00}, ++ {0x040b, 0x00}, ++ {0x040c, 0x07}, ++ {0x040d, 0x80}, ++ {0x040e, 0x04}, ++ {0x040f, 0x38}, ++ {0x034c, 0x07}, ++ {0x034d, 0x80}, ++ {0x034e, 0x04}, ++ {0x034f, 0x38}, ++ {0x0301, 0x06}, ++ {0x0303, 0x04}, ++ {0x0305, 0x04}, ++ {0x0306, 0x01}, ++ {0x0307, 0x57}, ++ {0x0309, 0x0a}, ++ {0x030b, 0x02}, ++ {0x030d, 0x04}, ++ {0x030e, 0x01}, ++ {0x030f, 0x49}, ++ {0x0310, 0x01}, ++ {0x0820, 0x07}, ++ {0x0821, 0xb6}, ++ {0x0822, 0x00}, ++ {0x0823, 0x00}, ++ {0x3e20, 0x01}, ++ {0x3e37, 0x00}, ++ {0x3e3b, 0x00}, ++ {0x0106, 0x00}, ++ {0x0b00, 0x00}, ++ {0x3230, 0x00}, ++ {0x3f14, 0x01}, ++ {0x3f3c, 0x01}, ++ {0x3f0d, 0x0a}, ++ {0x3fbc, 0x00}, ++ {0x3c06, 0x00}, ++ {0x3c07, 0x48}, ++ {0x3c0a, 0x00}, ++ {0x3c0b, 0x00}, ++ {0x3f78, 0x00}, ++ {0x3f79, 0x40}, ++ {0x3f7c, 0x00}, ++ {0x3f7d, 0x00}, ++}; ++ ++/* 720p 120fps mode */ ++static const struct imx519_reg mode_1280x720_regs[] = { ++ {0x0111, 0x02}, ++ {0x0112, 0x0a}, ++ {0x0113, 0x0a}, ++ {0x0114, 0x01}, ++ {0x0342, 0x1b}, ++ {0x0343, 0x3b}, ++ {0x0340, 0x03}, ++ {0x0341, 0x34}, ++ {0x0344, 0x04}, ++ {0x0345, 0x18}, ++ {0x0346, 0x04}, ++ {0x0347, 0x12}, ++ {0x0348, 0x0e}, ++ {0x0349, 0x17}, ++ {0x034a, 0x09}, ++ {0x034b, 0xb6}, ++ {0x0220, 0x00}, ++ {0x0221, 0x11}, ++ {0x0222, 0x01}, ++ {0x0900, 0x01}, ++ {0x0901, 0x22}, ++ {0x0902, 0x0a}, ++ {0x3f4c, 0x01}, ++ {0x3f4d, 0x01}, ++ {0x4254, 0x7f}, ++ {0x0401, 0x00}, ++ {0x0404, 0x00}, ++ {0x0405, 0x10}, ++ {0x0408, 0x00}, ++ {0x0409, 0x00}, ++ {0x040a, 0x00}, ++ {0x040b, 0x00}, ++ {0x040c, 0x05}, ++ {0x040d, 0x00}, ++ {0x040e, 0x02}, ++ {0x040f, 0xd0}, ++ {0x034c, 0x05}, ++ {0x034d, 0x00}, ++ {0x034e, 0x02}, ++ {0x034f, 0xd0}, ++ {0x0301, 0x06}, ++ {0x0303, 0x04}, ++ {0x0305, 0x04}, ++ {0x0306, 0x01}, ++ {0x0307, 0x57}, ++ {0x0309, 0x0a}, ++ {0x030b, 0x02}, ++ {0x030d, 0x04}, ++ {0x030e, 0x01}, ++ {0x030f, 0x49}, ++ {0x0310, 0x01}, ++ {0x0820, 0x07}, ++ {0x0821, 0xb6}, ++ {0x0822, 0x00}, ++ {0x0823, 0x00}, ++ {0x3e20, 0x01}, ++ {0x3e37, 0x00}, ++ {0x3e3b, 0x00}, ++ {0x0106, 0x00}, ++ {0x0b00, 0x00}, ++ {0x3230, 0x00}, ++ {0x3f14, 0x01}, ++ {0x3f3c, 0x01}, ++ {0x3f0d, 0x0a}, ++ {0x3fbc, 0x00}, ++ {0x3c06, 0x00}, ++ {0x3c07, 0x48}, ++ {0x3c0a, 0x00}, ++ {0x3c0b, 0x00}, ++ {0x3f78, 0x00}, ++ {0x3f79, 0x40}, ++ {0x3f7c, 0x00}, ++ {0x3f7d, 0x00}, ++}; ++ ++/* Mode configs */ ++static const struct imx519_mode supported_modes_10bit[] = { ++ { ++ .width = 4656, ++ .height = 3496, ++ .line_length_pix = 0x4200, ++ .crop = { ++ .left = IMX519_PIXEL_ARRAY_LEFT, ++ .top = IMX519_PIXEL_ARRAY_TOP, ++ .width = 4656, ++ .height = 3496, ++ }, ++ .timeperframe_min = { ++ .numerator = 100, ++ .denominator = 1000 ++ }, ++ .timeperframe_default = { ++ .numerator = 100, ++ .denominator = 1000 ++ }, ++ .reg_list = { ++ .num_of_regs = ARRAY_SIZE(mode_4656x3496_regs), ++ .regs = mode_4656x3496_regs, ++ } ++ }, ++ { ++ .width = 3840, ++ .height = 2160, ++ .line_length_pix = 0x3870, ++ .crop = { ++ .left = IMX519_PIXEL_ARRAY_LEFT + 408, ++ .top = IMX519_PIXEL_ARRAY_TOP + 672, ++ .width = 3840, ++ .height = 2160, ++ }, ++ .timeperframe_min = { ++ .numerator = 100, ++ .denominator = 2100 ++ }, ++ .timeperframe_default = { ++ .numerator = 100, ++ .denominator = 2100 ++ }, ++ .reg_list = { ++ .num_of_regs = ARRAY_SIZE(mode_3840x2160_regs), ++ .regs = mode_3840x2160_regs, ++ } ++ }, ++ { ++ .width = 2328, ++ .height = 1748, ++ .line_length_pix = 0x2412, ++ .crop = { ++ .left = IMX519_PIXEL_ARRAY_LEFT, ++ .top = IMX519_PIXEL_ARRAY_TOP, ++ .width = 4656, ++ .height = 3496, ++ }, ++ .timeperframe_min = { ++ .numerator = 100, ++ .denominator = 3000 ++ }, ++ .timeperframe_default = { ++ .numerator = 100, ++ .denominator = 3000 ++ }, ++ .reg_list = { ++ .num_of_regs = ARRAY_SIZE(mode_2328x1748_regs), ++ .regs = mode_2328x1748_regs, ++ } ++ }, ++ { ++ .width = 1920, ++ .height = 1080, ++ .line_length_pix = 0x25D9, ++ .crop = { ++ .left = IMX519_PIXEL_ARRAY_LEFT + 408, ++ .top = IMX519_PIXEL_ARRAY_TOP + 674, ++ .width = 3840, ++ .height = 2160, ++ }, ++ .timeperframe_min = { ++ .numerator = 100, ++ .denominator = 6000 ++ }, ++ .timeperframe_default = { ++ .numerator = 100, ++ .denominator = 6000 ++ }, ++ .reg_list = { ++ .num_of_regs = ARRAY_SIZE(mode_1920x1080_regs), ++ .regs = mode_1920x1080_regs, ++ } ++ }, ++ { ++ .width = 1280, ++ .height = 720, ++ .line_length_pix = 0x1B3B, ++ .crop = { ++ .left = IMX519_PIXEL_ARRAY_LEFT + 1048, ++ .top = IMX519_PIXEL_ARRAY_TOP + 1042, ++ .width = 2560, ++ .height = 1440, ++ }, ++ .timeperframe_min = { ++ .numerator = 100, ++ .denominator = 12000 ++ }, ++ .timeperframe_default = { ++ .numerator = 100, ++ .denominator = 12000 ++ }, ++ .reg_list = { ++ .num_of_regs = ARRAY_SIZE(mode_1280x720_regs), ++ .regs = mode_1280x720_regs, ++ } ++ } ++}; ++ ++/* ++ * The supported formats. ++ * This table MUST contain 4 entries per format, to cover the various flip ++ * combinations in the order ++ * - no flip ++ * - h flip ++ * - v flip ++ * - h&v flips ++ */ ++static const u32 codes[] = { ++ /* 10-bit modes. */ ++ MEDIA_BUS_FMT_SRGGB10_1X10, ++ MEDIA_BUS_FMT_SGRBG10_1X10, ++ MEDIA_BUS_FMT_SGBRG10_1X10, ++ MEDIA_BUS_FMT_SBGGR10_1X10, ++}; ++ ++static const char * const imx519_test_pattern_menu[] = { ++ "Disabled", ++ "Color Bars", ++ "Solid Color", ++ "Grey Color Bars", ++ "PN9" ++}; ++ ++static const int imx519_test_pattern_val[] = { ++ IMX519_TEST_PATTERN_DISABLE, ++ IMX519_TEST_PATTERN_COLOR_BARS, ++ IMX519_TEST_PATTERN_SOLID_COLOR, ++ IMX519_TEST_PATTERN_GREY_COLOR, ++ IMX519_TEST_PATTERN_PN9, ++}; ++ ++/* regulator supplies */ ++static const char * const imx519_supply_name[] = { ++ /* Supplies can be enabled in any order */ ++ "VANA", /* Analog (2.8V) supply */ ++ "VDIG", /* Digital Core (1.05V) supply */ ++ "VDDL", /* IF (1.8V) supply */ ++}; ++ ++#define IMX519_NUM_SUPPLIES ARRAY_SIZE(imx519_supply_name) ++ ++/* ++ * Initialisation delay between XCLR low->high and the moment when the sensor ++ * can start capture (i.e. can leave software standby), given by T7 in the ++ * datasheet is 8ms. This does include I2C setup time as well. ++ * ++ * Note, that delay between XCLR low->high and reading the CCI ID register (T6 ++ * in the datasheet) is much smaller - 600us. ++ */ ++#define IMX519_XCLR_MIN_DELAY_US 8000 ++#define IMX519_XCLR_DELAY_RANGE_US 1000 ++ ++struct imx519 { ++ struct v4l2_subdev sd; ++ struct media_pad pad; ++ ++ unsigned int fmt_code; ++ ++ struct clk *xclk; ++ ++ struct gpio_desc *reset_gpio; ++ struct regulator_bulk_data supplies[IMX519_NUM_SUPPLIES]; ++ ++ struct v4l2_ctrl_handler ctrl_handler; ++ /* V4L2 Controls */ ++ struct v4l2_ctrl *pixel_rate; ++ struct v4l2_ctrl *exposure; ++ struct v4l2_ctrl *vflip; ++ struct v4l2_ctrl *hflip; ++ struct v4l2_ctrl *vblank; ++ struct v4l2_ctrl *hblank; ++ ++ /* Current mode */ ++ const struct imx519_mode *mode; ++ ++ /* ++ * Mutex for serialized access: ++ * Protect sensor module set pad format and start/stop streaming safely. ++ */ ++ struct mutex mutex; ++ ++ /* Streaming on/off */ ++ bool streaming; ++ ++ /* Rewrite common registers on stream on? */ ++ bool common_regs_written; ++ ++ /* Current long exposure factor in use. Set through V4L2_CID_VBLANK */ ++ unsigned int long_exp_shift; ++}; ++ ++static inline struct imx519 *to_imx519(struct v4l2_subdev *_sd) ++{ ++ return container_of(_sd, struct imx519, sd); ++} ++ ++/* Read registers up to 2 at a time */ ++static int imx519_read_reg(struct imx519 *imx519, u16 reg, u32 len, u32 *val) ++{ ++ struct i2c_client *client = v4l2_get_subdevdata(&imx519->sd); ++ struct i2c_msg msgs[2]; ++ u8 addr_buf[2] = { reg >> 8, reg & 0xff }; ++ u8 data_buf[4] = { 0, }; ++ int ret; ++ ++ if (len > 4) ++ return -EINVAL; ++ ++ /* Write register address */ ++ msgs[0].addr = client->addr; ++ msgs[0].flags = 0; ++ msgs[0].len = ARRAY_SIZE(addr_buf); ++ msgs[0].buf = addr_buf; ++ ++ /* Read data from register */ ++ msgs[1].addr = client->addr; ++ msgs[1].flags = I2C_M_RD; ++ msgs[1].len = len; ++ msgs[1].buf = &data_buf[4 - len]; ++ ++ ret = i2c_transfer(client->adapter, msgs, ARRAY_SIZE(msgs)); ++ if (ret != ARRAY_SIZE(msgs)) ++ return -EIO; ++ ++ *val = get_unaligned_be32(data_buf); ++ ++ return 0; ++} ++ ++/* Write registers up to 2 at a time */ ++static int imx519_write_reg(struct imx519 *imx519, u16 reg, u32 len, u32 val) ++{ ++ struct i2c_client *client = v4l2_get_subdevdata(&imx519->sd); ++ u8 buf[6]; ++ ++ if (len > 4) ++ return -EINVAL; ++ ++ put_unaligned_be16(reg, buf); ++ put_unaligned_be32(val << (8 * (4 - len)), buf + 2); ++ if (i2c_master_send(client, buf, len + 2) != len + 2) ++ return -EIO; ++ ++ return 0; ++} ++ ++/* Write a list of registers */ ++static int imx519_write_regs(struct imx519 *imx519, ++ const struct imx519_reg *regs, u32 len) ++{ ++ struct i2c_client *client = v4l2_get_subdevdata(&imx519->sd); ++ unsigned int i; ++ int ret; ++ ++ for (i = 0; i < len; i++) { ++ ret = imx519_write_reg(imx519, regs[i].address, 1, regs[i].val); ++ if (ret) { ++ dev_err_ratelimited(&client->dev, ++ "Failed to write reg 0x%4.4x. error = %d\n", ++ regs[i].address, ret); ++ ++ return ret; ++ } ++ } ++ ++ return 0; ++} ++ ++/* Get bayer order based on flip setting. */ ++static u32 imx519_get_format_code(struct imx519 *imx519) ++{ ++ unsigned int i; ++ ++ lockdep_assert_held(&imx519->mutex); ++ ++ i = (imx519->vflip->val ? 2 : 0) | ++ (imx519->hflip->val ? 1 : 0); ++ ++ return codes[i]; ++} ++ ++static int imx519_open(struct v4l2_subdev *sd, struct v4l2_subdev_fh *fh) ++{ ++ struct imx519 *imx519 = to_imx519(sd); ++ struct v4l2_mbus_framefmt *try_fmt_img = ++ v4l2_subdev_get_try_format(sd, fh->state, 0); ++ struct v4l2_rect *try_crop; ++ ++ mutex_lock(&imx519->mutex); ++ ++ /* Initialize try_fmt for the image pad */ ++ try_fmt_img->width = supported_modes_10bit[0].width; ++ try_fmt_img->height = supported_modes_10bit[0].height; ++ try_fmt_img->code = imx519_get_format_code(imx519); ++ try_fmt_img->field = V4L2_FIELD_NONE; ++ ++ /* Initialize try_crop */ ++ try_crop = v4l2_subdev_get_try_crop(sd, fh->state, 0); ++ try_crop->left = IMX519_PIXEL_ARRAY_LEFT; ++ try_crop->top = IMX519_PIXEL_ARRAY_TOP; ++ try_crop->width = IMX519_PIXEL_ARRAY_WIDTH; ++ try_crop->height = IMX519_PIXEL_ARRAY_HEIGHT; ++ ++ mutex_unlock(&imx519->mutex); ++ ++ return 0; ++} ++ ++static void imx519_adjust_exposure_range(struct imx519 *imx519) ++{ ++ int exposure_max, exposure_def; ++ ++ /* Honour the VBLANK limits when setting exposure. */ ++ exposure_max = imx519->mode->height + imx519->vblank->val - ++ IMX519_EXPOSURE_OFFSET; ++ exposure_def = min(exposure_max, imx519->exposure->val); ++ __v4l2_ctrl_modify_range(imx519->exposure, imx519->exposure->minimum, ++ exposure_max, imx519->exposure->step, ++ exposure_def); ++} ++ ++static int imx519_set_frame_length(struct imx519 *imx519, unsigned int val) ++{ ++ int ret = 0; ++ ++ imx519->long_exp_shift = 0; ++ ++ while (val > IMX519_FRAME_LENGTH_MAX) { ++ imx519->long_exp_shift++; ++ val >>= 1; ++ } ++ ++ ret = imx519_write_reg(imx519, IMX519_REG_FRAME_LENGTH, ++ IMX519_REG_VALUE_16BIT, val); ++ if (ret) ++ return ret; ++ ++ return imx519_write_reg(imx519, IMX519_LONG_EXP_SHIFT_REG, ++ IMX519_REG_VALUE_08BIT, imx519->long_exp_shift); ++} ++ ++static int imx519_set_ctrl(struct v4l2_ctrl *ctrl) ++{ ++ struct imx519 *imx519 = ++ container_of(ctrl->handler, struct imx519, ctrl_handler); ++ struct i2c_client *client = v4l2_get_subdevdata(&imx519->sd); ++ int ret = 0; ++ ++ /* ++ * The VBLANK control may change the limits of usable exposure, so check ++ * and adjust if necessary. ++ */ ++ if (ctrl->id == V4L2_CID_VBLANK) ++ imx519_adjust_exposure_range(imx519); ++ ++ /* ++ * Applying V4L2 control value only happens ++ * when power is up for streaming ++ */ ++ if (pm_runtime_get_if_in_use(&client->dev) == 0) ++ return 0; ++ ++ switch (ctrl->id) { ++ case V4L2_CID_ANALOGUE_GAIN: ++ ret = imx519_write_reg(imx519, IMX519_REG_ANALOG_GAIN, ++ IMX519_REG_VALUE_16BIT, ctrl->val); ++ break; ++ case V4L2_CID_EXPOSURE: ++ ret = imx519_write_reg(imx519, IMX519_REG_EXPOSURE, ++ IMX519_REG_VALUE_16BIT, ctrl->val >> ++ imx519->long_exp_shift); ++ break; ++ case V4L2_CID_DIGITAL_GAIN: ++ ret = imx519_write_reg(imx519, IMX519_REG_DIGITAL_GAIN, ++ IMX519_REG_VALUE_16BIT, ctrl->val); ++ break; ++ case V4L2_CID_TEST_PATTERN: ++ ret = imx519_write_reg(imx519, IMX519_REG_TEST_PATTERN, ++ IMX519_REG_VALUE_16BIT, ++ imx519_test_pattern_val[ctrl->val]); ++ break; ++ case V4L2_CID_TEST_PATTERN_RED: ++ ret = imx519_write_reg(imx519, IMX519_REG_TEST_PATTERN_R, ++ IMX519_REG_VALUE_16BIT, ctrl->val); ++ break; ++ case V4L2_CID_TEST_PATTERN_GREENR: ++ ret = imx519_write_reg(imx519, IMX519_REG_TEST_PATTERN_GR, ++ IMX519_REG_VALUE_16BIT, ctrl->val); ++ break; ++ case V4L2_CID_TEST_PATTERN_BLUE: ++ ret = imx519_write_reg(imx519, IMX519_REG_TEST_PATTERN_B, ++ IMX519_REG_VALUE_16BIT, ctrl->val); ++ break; ++ case V4L2_CID_TEST_PATTERN_GREENB: ++ ret = imx519_write_reg(imx519, IMX519_REG_TEST_PATTERN_GB, ++ IMX519_REG_VALUE_16BIT, ctrl->val); ++ break; ++ case V4L2_CID_HFLIP: ++ case V4L2_CID_VFLIP: ++ ret = imx519_write_reg(imx519, IMX519_REG_ORIENTATION, 1, ++ imx519->hflip->val | ++ imx519->vflip->val << 1); ++ break; ++ case V4L2_CID_VBLANK: ++ ret = imx519_set_frame_length(imx519, ++ imx519->mode->height + ctrl->val); ++ break; ++ default: ++ dev_info(&client->dev, ++ "ctrl(id:0x%x,val:0x%x) is not handled\n", ++ ctrl->id, ctrl->val); ++ ret = -EINVAL; ++ break; ++ } ++ ++ pm_runtime_put(&client->dev); ++ ++ return ret; ++} ++ ++static const struct v4l2_ctrl_ops imx519_ctrl_ops = { ++ .s_ctrl = imx519_set_ctrl, ++}; ++ ++static int imx519_enum_mbus_code(struct v4l2_subdev *sd, ++ struct v4l2_subdev_state *sd_state, ++ struct v4l2_subdev_mbus_code_enum *code) ++{ ++ struct imx519 *imx519 = to_imx519(sd); ++ ++ if (code->index > 0) ++ return -EINVAL; ++ ++ code->code = imx519_get_format_code(imx519); ++ ++ return 0; ++} ++ ++static int imx519_enum_frame_size(struct v4l2_subdev *sd, ++ struct v4l2_subdev_state *sd_state, ++ struct v4l2_subdev_frame_size_enum *fse) ++{ ++ struct imx519 *imx519 = to_imx519(sd); ++ ++ if (fse->index >= ARRAY_SIZE(supported_modes_10bit)) ++ return -EINVAL; ++ ++ if (fse->code != imx519_get_format_code(imx519)) ++ return -EINVAL; ++ ++ fse->min_width = supported_modes_10bit[fse->index].width; ++ fse->max_width = fse->min_width; ++ fse->min_height = supported_modes_10bit[fse->index].height; ++ fse->max_height = fse->min_height; ++ ++ return 0; ++} ++ ++static void imx519_reset_colorspace(struct v4l2_mbus_framefmt *fmt) ++{ ++ fmt->colorspace = V4L2_COLORSPACE_SRGB; ++ fmt->ycbcr_enc = V4L2_MAP_YCBCR_ENC_DEFAULT(fmt->colorspace); ++ fmt->quantization = V4L2_MAP_QUANTIZATION_DEFAULT(true, ++ fmt->colorspace, ++ fmt->ycbcr_enc); ++ fmt->xfer_func = V4L2_MAP_XFER_FUNC_DEFAULT(fmt->colorspace); ++} ++ ++static void imx519_update_image_pad_format(struct imx519 *imx519, ++ const struct imx519_mode *mode, ++ struct v4l2_subdev_format *fmt) ++{ ++ fmt->format.width = mode->width; ++ fmt->format.height = mode->height; ++ fmt->format.field = V4L2_FIELD_NONE; ++ imx519_reset_colorspace(&fmt->format); ++} ++ ++static int imx519_get_pad_format(struct v4l2_subdev *sd, ++ struct v4l2_subdev_state *sd_state, ++ struct v4l2_subdev_format *fmt) ++{ ++ struct imx519 *imx519 = to_imx519(sd); ++ ++ if (fmt->pad != 0) ++ return -EINVAL; ++ ++ mutex_lock(&imx519->mutex); ++ ++ if (fmt->which == V4L2_SUBDEV_FORMAT_TRY) { ++ struct v4l2_mbus_framefmt *try_fmt = ++ v4l2_subdev_get_try_format(&imx519->sd, sd_state, ++ fmt->pad); ++ /* update the code which could change due to vflip or hflip: */ ++ try_fmt->code = imx519_get_format_code(imx519); ++ fmt->format = *try_fmt; ++ } else { ++ imx519_update_image_pad_format(imx519, imx519->mode, ++ fmt); ++ fmt->format.code = imx519_get_format_code(imx519); ++ } ++ ++ mutex_unlock(&imx519->mutex); ++ return 0; ++} ++ ++static ++unsigned int imx519_get_frame_length(const struct imx519_mode *mode, ++ const struct v4l2_fract *timeperframe) ++{ ++ u64 frame_length; ++ ++ frame_length = (u64)timeperframe->numerator * IMX519_PIXEL_RATE; ++ do_div(frame_length, ++ (u64)timeperframe->denominator * mode->line_length_pix); ++ ++ if (WARN_ON(frame_length > IMX519_FRAME_LENGTH_MAX)) ++ frame_length = IMX519_FRAME_LENGTH_MAX; ++ ++ return max_t(unsigned int, frame_length, mode->height); ++} ++ ++static void imx519_set_framing_limits(struct imx519 *imx519) ++{ ++ unsigned int frm_length_min, frm_length_default, hblank; ++ const struct imx519_mode *mode = imx519->mode; ++ ++ frm_length_min = imx519_get_frame_length(mode, &mode->timeperframe_min); ++ frm_length_default = ++ imx519_get_frame_length(mode, &mode->timeperframe_default); ++ ++ /* Default to no long exposure multiplier. */ ++ imx519->long_exp_shift = 0; ++ ++ /* Update limits and set FPS to default */ ++ __v4l2_ctrl_modify_range(imx519->vblank, frm_length_min - mode->height, ++ ((1 << IMX519_LONG_EXP_SHIFT_MAX) * ++ IMX519_FRAME_LENGTH_MAX) - mode->height, ++ 1, frm_length_default - mode->height); ++ ++ /* Setting this will adjust the exposure limits as well. */ ++ __v4l2_ctrl_s_ctrl(imx519->vblank, frm_length_default - mode->height); ++ ++ /* ++ * Currently PPL is fixed to the mode specified value, so hblank ++ * depends on mode->width only, and is not changeable in any ++ * way other than changing the mode. ++ */ ++ hblank = mode->line_length_pix - mode->width; ++ __v4l2_ctrl_modify_range(imx519->hblank, hblank, hblank, 1, hblank); ++} ++ ++static int imx519_set_pad_format(struct v4l2_subdev *sd, ++ struct v4l2_subdev_state *sd_state, ++ struct v4l2_subdev_format *fmt) ++{ ++ struct v4l2_mbus_framefmt *framefmt; ++ const struct imx519_mode *mode; ++ struct imx519 *imx519 = to_imx519(sd); ++ ++ if (fmt->pad != 0) ++ return -EINVAL; ++ ++ mutex_lock(&imx519->mutex); ++ ++ /* Bayer order varies with flips */ ++ fmt->format.code = imx519_get_format_code(imx519); ++ ++ mode = v4l2_find_nearest_size(supported_modes_10bit, ++ ARRAY_SIZE(supported_modes_10bit), ++ width, height, ++ fmt->format.width, ++ fmt->format.height); ++ imx519_update_image_pad_format(imx519, mode, fmt); ++ if (fmt->which == V4L2_SUBDEV_FORMAT_TRY) { ++ framefmt = v4l2_subdev_get_try_format(sd, sd_state, ++ fmt->pad); ++ *framefmt = fmt->format; ++ } else { ++ imx519->mode = mode; ++ imx519->fmt_code = fmt->format.code; ++ imx519_set_framing_limits(imx519); ++ } ++ ++ mutex_unlock(&imx519->mutex); ++ ++ return 0; ++} ++ ++static const struct v4l2_rect * ++__imx519_get_pad_crop(struct imx519 *imx519, struct v4l2_subdev_state *sd_state, ++ unsigned int pad, enum v4l2_subdev_format_whence which) ++{ ++ switch (which) { ++ case V4L2_SUBDEV_FORMAT_TRY: ++ return v4l2_subdev_get_try_crop(&imx519->sd, sd_state, pad); ++ case V4L2_SUBDEV_FORMAT_ACTIVE: ++ return &imx519->mode->crop; ++ } ++ ++ return NULL; ++} ++ ++static int imx519_get_selection(struct v4l2_subdev *sd, ++ struct v4l2_subdev_state *sd_state, ++ struct v4l2_subdev_selection *sel) ++{ ++ switch (sel->target) { ++ case V4L2_SEL_TGT_CROP: { ++ struct imx519 *imx519 = to_imx519(sd); ++ ++ mutex_lock(&imx519->mutex); ++ sel->r = *__imx519_get_pad_crop(imx519, sd_state, sel->pad, ++ sel->which); ++ mutex_unlock(&imx519->mutex); ++ ++ return 0; ++ } ++ ++ case V4L2_SEL_TGT_NATIVE_SIZE: ++ sel->r.left = 0; ++ sel->r.top = 0; ++ sel->r.width = IMX519_NATIVE_WIDTH; ++ sel->r.height = IMX519_NATIVE_HEIGHT; ++ ++ return 0; ++ ++ case V4L2_SEL_TGT_CROP_DEFAULT: ++ case V4L2_SEL_TGT_CROP_BOUNDS: ++ sel->r.left = IMX519_PIXEL_ARRAY_LEFT; ++ sel->r.top = IMX519_PIXEL_ARRAY_TOP; ++ sel->r.width = IMX519_PIXEL_ARRAY_WIDTH; ++ sel->r.height = IMX519_PIXEL_ARRAY_HEIGHT; ++ ++ return 0; ++ } ++ ++ return -EINVAL; ++} ++ ++/* Start streaming */ ++static int imx519_start_streaming(struct imx519 *imx519) ++{ ++ struct i2c_client *client = v4l2_get_subdevdata(&imx519->sd); ++ const struct imx519_reg_list *reg_list; ++ int ret; ++ ++ if (!imx519->common_regs_written) { ++ ret = imx519_write_regs(imx519, mode_common_regs, ++ ARRAY_SIZE(mode_common_regs)); ++ ++ if (ret) { ++ dev_err(&client->dev, "%s failed to set common settings\n", ++ __func__); ++ return ret; ++ } ++ imx519->common_regs_written = true; ++ } ++ ++ /* Apply default values of current mode */ ++ reg_list = &imx519->mode->reg_list; ++ ret = imx519_write_regs(imx519, reg_list->regs, reg_list->num_of_regs); ++ if (ret) { ++ dev_err(&client->dev, "%s failed to set mode\n", __func__); ++ return ret; ++ } ++ ++ /* Apply customized values from user */ ++ ret = __v4l2_ctrl_handler_setup(imx519->sd.ctrl_handler); ++ if (ret) ++ return ret; ++ ++ /* set stream on register */ ++ return imx519_write_reg(imx519, IMX519_REG_MODE_SELECT, ++ IMX519_REG_VALUE_08BIT, IMX519_MODE_STREAMING); ++} ++ ++/* Stop streaming */ ++static void imx519_stop_streaming(struct imx519 *imx519) ++{ ++ struct i2c_client *client = v4l2_get_subdevdata(&imx519->sd); ++ int ret; ++ ++ /* set stream off register */ ++ ret = imx519_write_reg(imx519, IMX519_REG_MODE_SELECT, ++ IMX519_REG_VALUE_08BIT, IMX519_MODE_STANDBY); ++ if (ret) ++ dev_err(&client->dev, "%s failed to set stream\n", __func__); ++} ++ ++static int imx519_set_stream(struct v4l2_subdev *sd, int enable) ++{ ++ struct imx519 *imx519 = to_imx519(sd); ++ struct i2c_client *client = v4l2_get_subdevdata(sd); ++ int ret = 0; ++ ++ mutex_lock(&imx519->mutex); ++ if (imx519->streaming == enable) { ++ mutex_unlock(&imx519->mutex); ++ return 0; ++ } ++ ++ if (enable) { ++ ret = pm_runtime_get_sync(&client->dev); ++ if (ret < 0) { ++ pm_runtime_put_noidle(&client->dev); ++ goto err_unlock; ++ } ++ ++ /* ++ * Apply default & customized values ++ * and then start streaming. ++ */ ++ ret = imx519_start_streaming(imx519); ++ if (ret) ++ goto err_rpm_put; ++ } else { ++ imx519_stop_streaming(imx519); ++ pm_runtime_put(&client->dev); ++ } ++ ++ imx519->streaming = enable; ++ ++ /* vflip and hflip cannot change during streaming */ ++ __v4l2_ctrl_grab(imx519->vflip, enable); ++ __v4l2_ctrl_grab(imx519->hflip, enable); ++ ++ mutex_unlock(&imx519->mutex); ++ ++ return ret; ++ ++err_rpm_put: ++ pm_runtime_put(&client->dev); ++err_unlock: ++ mutex_unlock(&imx519->mutex); ++ ++ return ret; ++} ++ ++/* Power/clock management functions */ ++static int imx519_power_on(struct device *dev) ++{ ++ struct i2c_client *client = to_i2c_client(dev); ++ struct v4l2_subdev *sd = i2c_get_clientdata(client); ++ struct imx519 *imx519 = to_imx519(sd); ++ int ret; ++ ++ ret = regulator_bulk_enable(IMX519_NUM_SUPPLIES, ++ imx519->supplies); ++ if (ret) { ++ dev_err(&client->dev, "%s: failed to enable regulators\n", ++ __func__); ++ return ret; ++ } ++ ++ ret = clk_prepare_enable(imx519->xclk); ++ if (ret) { ++ dev_err(&client->dev, "%s: failed to enable clock\n", ++ __func__); ++ goto reg_off; ++ } ++ ++ gpiod_set_value_cansleep(imx519->reset_gpio, 1); ++ usleep_range(IMX519_XCLR_MIN_DELAY_US, ++ IMX519_XCLR_MIN_DELAY_US + IMX519_XCLR_DELAY_RANGE_US); ++ ++ return 0; ++ ++reg_off: ++ regulator_bulk_disable(IMX519_NUM_SUPPLIES, imx519->supplies); ++ return ret; ++} ++ ++static int imx519_power_off(struct device *dev) ++{ ++ struct i2c_client *client = to_i2c_client(dev); ++ struct v4l2_subdev *sd = i2c_get_clientdata(client); ++ struct imx519 *imx519 = to_imx519(sd); ++ ++ gpiod_set_value_cansleep(imx519->reset_gpio, 0); ++ regulator_bulk_disable(IMX519_NUM_SUPPLIES, imx519->supplies); ++ clk_disable_unprepare(imx519->xclk); ++ ++ /* Force reprogramming of the common registers when powered up again. */ ++ imx519->common_regs_written = false; ++ ++ return 0; ++} ++ ++static int __maybe_unused imx519_suspend(struct device *dev) ++{ ++ struct i2c_client *client = to_i2c_client(dev); ++ struct v4l2_subdev *sd = i2c_get_clientdata(client); ++ struct imx519 *imx519 = to_imx519(sd); ++ ++ if (imx519->streaming) ++ imx519_stop_streaming(imx519); ++ ++ return 0; ++} ++ ++static int __maybe_unused imx519_resume(struct device *dev) ++{ ++ struct i2c_client *client = to_i2c_client(dev); ++ struct v4l2_subdev *sd = i2c_get_clientdata(client); ++ struct imx519 *imx519 = to_imx519(sd); ++ int ret; ++ ++ if (imx519->streaming) { ++ ret = imx519_start_streaming(imx519); ++ if (ret) ++ goto error; ++ } ++ ++ return 0; ++ ++error: ++ imx519_stop_streaming(imx519); ++ imx519->streaming = 0; ++ return ret; ++} ++ ++static int imx519_get_regulators(struct imx519 *imx519) ++{ ++ struct i2c_client *client = v4l2_get_subdevdata(&imx519->sd); ++ unsigned int i; ++ ++ for (i = 0; i < IMX519_NUM_SUPPLIES; i++) ++ imx519->supplies[i].supply = imx519_supply_name[i]; ++ ++ return devm_regulator_bulk_get(&client->dev, ++ IMX519_NUM_SUPPLIES, ++ imx519->supplies); ++} ++ ++/* Verify chip ID */ ++static int imx519_identify_module(struct imx519 *imx519, u32 expected_id) ++{ ++ struct i2c_client *client = v4l2_get_subdevdata(&imx519->sd); ++ int ret; ++ u32 val; ++ ++ ret = imx519_read_reg(imx519, IMX519_REG_CHIP_ID, ++ IMX519_REG_VALUE_16BIT, &val); ++ if (ret) { ++ dev_err(&client->dev, "failed to read chip id %x, with error %d\n", ++ expected_id, ret); ++ return ret; ++ } ++ ++ if (val != expected_id) { ++ dev_err(&client->dev, "chip id mismatch: %x!=%x\n", ++ expected_id, val); ++ return -EIO; ++ } ++ ++ dev_info(&client->dev, "Device found is imx%x\n", val); ++ ++ return 0; ++} ++ ++static const struct v4l2_subdev_core_ops imx519_core_ops = { ++ .subscribe_event = v4l2_ctrl_subdev_subscribe_event, ++ .unsubscribe_event = v4l2_event_subdev_unsubscribe, ++}; ++ ++static const struct v4l2_subdev_video_ops imx519_video_ops = { ++ .s_stream = imx519_set_stream, ++}; ++ ++static const struct v4l2_subdev_pad_ops imx519_pad_ops = { ++ .enum_mbus_code = imx519_enum_mbus_code, ++ .get_fmt = imx519_get_pad_format, ++ .set_fmt = imx519_set_pad_format, ++ .get_selection = imx519_get_selection, ++ .enum_frame_size = imx519_enum_frame_size, ++}; ++ ++static const struct v4l2_subdev_ops imx519_subdev_ops = { ++ .core = &imx519_core_ops, ++ .video = &imx519_video_ops, ++ .pad = &imx519_pad_ops, ++}; ++ ++static const struct v4l2_subdev_internal_ops imx519_internal_ops = { ++ .open = imx519_open, ++}; ++ ++/* Initialize control handlers */ ++static int imx519_init_controls(struct imx519 *imx519) ++{ ++ struct v4l2_ctrl_handler *ctrl_hdlr; ++ struct i2c_client *client = v4l2_get_subdevdata(&imx519->sd); ++ struct v4l2_fwnode_device_properties props; ++ unsigned int i; ++ int ret; ++ ++ ctrl_hdlr = &imx519->ctrl_handler; ++ ret = v4l2_ctrl_handler_init(ctrl_hdlr, 16); ++ if (ret) ++ return ret; ++ ++ mutex_init(&imx519->mutex); ++ ctrl_hdlr->lock = &imx519->mutex; ++ ++ /* By default, PIXEL_RATE is read only */ ++ imx519->pixel_rate = v4l2_ctrl_new_std(ctrl_hdlr, &imx519_ctrl_ops, ++ V4L2_CID_PIXEL_RATE, ++ IMX519_PIXEL_RATE, ++ IMX519_PIXEL_RATE, 1, ++ IMX519_PIXEL_RATE); ++ ++ /* ++ * Create the controls here, but mode specific limits are setup ++ * in the imx519_set_framing_limits() call below. ++ */ ++ imx519->vblank = v4l2_ctrl_new_std(ctrl_hdlr, &imx519_ctrl_ops, ++ V4L2_CID_VBLANK, 0, 0xffff, 1, 0); ++ imx519->hblank = v4l2_ctrl_new_std(ctrl_hdlr, &imx519_ctrl_ops, ++ V4L2_CID_HBLANK, 0, 0xffff, 1, 0); ++ ++ /* HBLANK is read-only for now, but does change with mode. */ ++ if (imx519->hblank) ++ imx519->hblank->flags |= V4L2_CTRL_FLAG_READ_ONLY; ++ ++ imx519->exposure = v4l2_ctrl_new_std(ctrl_hdlr, &imx519_ctrl_ops, ++ V4L2_CID_EXPOSURE, ++ IMX519_EXPOSURE_MIN, ++ IMX519_EXPOSURE_MAX, ++ IMX519_EXPOSURE_STEP, ++ IMX519_EXPOSURE_DEFAULT); ++ ++ v4l2_ctrl_new_std(ctrl_hdlr, &imx519_ctrl_ops, V4L2_CID_ANALOGUE_GAIN, ++ IMX519_ANA_GAIN_MIN, IMX519_ANA_GAIN_MAX, ++ IMX519_ANA_GAIN_STEP, IMX519_ANA_GAIN_DEFAULT); ++ ++ v4l2_ctrl_new_std(ctrl_hdlr, &imx519_ctrl_ops, V4L2_CID_DIGITAL_GAIN, ++ IMX519_DGTL_GAIN_MIN, IMX519_DGTL_GAIN_MAX, ++ IMX519_DGTL_GAIN_STEP, IMX519_DGTL_GAIN_DEFAULT); ++ ++ imx519->hflip = v4l2_ctrl_new_std(ctrl_hdlr, &imx519_ctrl_ops, ++ V4L2_CID_HFLIP, 0, 1, 1, 0); ++ if (imx519->hflip) ++ imx519->hflip->flags |= V4L2_CTRL_FLAG_MODIFY_LAYOUT; ++ ++ imx519->vflip = v4l2_ctrl_new_std(ctrl_hdlr, &imx519_ctrl_ops, ++ V4L2_CID_VFLIP, 0, 1, 1, 0); ++ if (imx519->vflip) ++ imx519->vflip->flags |= V4L2_CTRL_FLAG_MODIFY_LAYOUT; ++ ++ v4l2_ctrl_new_std_menu_items(ctrl_hdlr, &imx519_ctrl_ops, ++ V4L2_CID_TEST_PATTERN, ++ ARRAY_SIZE(imx519_test_pattern_menu) - 1, ++ 0, 0, imx519_test_pattern_menu); ++ for (i = 0; i < 4; i++) { ++ /* ++ * The assumption is that ++ * V4L2_CID_TEST_PATTERN_GREENR == V4L2_CID_TEST_PATTERN_RED + 1 ++ * V4L2_CID_TEST_PATTERN_BLUE == V4L2_CID_TEST_PATTERN_RED + 2 ++ * V4L2_CID_TEST_PATTERN_GREENB == V4L2_CID_TEST_PATTERN_RED + 3 ++ */ ++ v4l2_ctrl_new_std(ctrl_hdlr, &imx519_ctrl_ops, ++ V4L2_CID_TEST_PATTERN_RED + i, ++ IMX519_TEST_PATTERN_COLOUR_MIN, ++ IMX519_TEST_PATTERN_COLOUR_MAX, ++ IMX519_TEST_PATTERN_COLOUR_STEP, ++ IMX519_TEST_PATTERN_COLOUR_MAX); ++ /* The "Solid color" pattern is white by default */ ++ } ++ ++ if (ctrl_hdlr->error) { ++ ret = ctrl_hdlr->error; ++ dev_err(&client->dev, "%s control init failed (%d)\n", ++ __func__, ret); ++ goto error; ++ } ++ ++ ret = v4l2_fwnode_device_parse(&client->dev, &props); ++ if (ret) ++ goto error; ++ ++ ret = v4l2_ctrl_new_fwnode_properties(ctrl_hdlr, &imx519_ctrl_ops, ++ &props); ++ if (ret) ++ goto error; ++ ++ imx519->sd.ctrl_handler = ctrl_hdlr; ++ ++ /* Setup exposure and frame/line length limits. */ ++ imx519_set_framing_limits(imx519); ++ ++ return 0; ++ ++error: ++ v4l2_ctrl_handler_free(ctrl_hdlr); ++ mutex_destroy(&imx519->mutex); ++ ++ return ret; ++} ++ ++static void imx519_free_controls(struct imx519 *imx519) ++{ ++ v4l2_ctrl_handler_free(imx519->sd.ctrl_handler); ++ mutex_destroy(&imx519->mutex); ++} ++ ++static int imx519_check_hwcfg(struct device *dev) ++{ ++ struct fwnode_handle *endpoint; ++ struct v4l2_fwnode_endpoint ep_cfg = { ++ .bus_type = V4L2_MBUS_CSI2_DPHY ++ }; ++ int ret = -EINVAL; ++ ++ endpoint = fwnode_graph_get_next_endpoint(dev_fwnode(dev), NULL); ++ if (!endpoint) { ++ dev_err(dev, "endpoint node not found\n"); ++ return -EINVAL; ++ } ++ ++ if (v4l2_fwnode_endpoint_alloc_parse(endpoint, &ep_cfg)) { ++ dev_err(dev, "could not parse endpoint\n"); ++ goto error_out; ++ } ++ ++ /* Check the number of MIPI CSI2 data lanes */ ++ if (ep_cfg.bus.mipi_csi2.num_data_lanes != 2) { ++ dev_err(dev, "only 2 data lanes are currently supported\n"); ++ goto error_out; ++ } ++ ++ /* Check the link frequency set in device tree */ ++ if (!ep_cfg.nr_of_link_frequencies) { ++ dev_err(dev, "link-frequency property not found in DT\n"); ++ goto error_out; ++ } ++ ++ if (ep_cfg.nr_of_link_frequencies != 1 || ++ ep_cfg.link_frequencies[0] != IMX519_DEFAULT_LINK_FREQ) { ++ dev_err(dev, "Link frequency not supported: %lld\n", ++ ep_cfg.link_frequencies[0]); ++ goto error_out; ++ } ++ ++ ret = 0; ++ ++error_out: ++ v4l2_fwnode_endpoint_free(&ep_cfg); ++ fwnode_handle_put(endpoint); ++ ++ return ret; ++} ++ ++static const struct of_device_id imx519_dt_ids[] = { ++ { .compatible = "sony,imx519"}, ++ { /* sentinel */ } ++}; ++ ++static int imx519_probe(struct i2c_client *client) ++{ ++ struct device *dev = &client->dev; ++ struct imx519 *imx519; ++ const struct of_device_id *match; ++ u32 xclk_freq; ++ int ret; ++ ++ imx519 = devm_kzalloc(&client->dev, sizeof(*imx519), GFP_KERNEL); ++ if (!imx519) ++ return -ENOMEM; ++ ++ v4l2_i2c_subdev_init(&imx519->sd, client, &imx519_subdev_ops); ++ ++ match = of_match_device(imx519_dt_ids, dev); ++ if (!match) ++ return -ENODEV; ++ ++ /* Check the hardware configuration in device tree */ ++ if (imx519_check_hwcfg(dev)) ++ return -EINVAL; ++ ++ /* Get system clock (xclk) */ ++ imx519->xclk = devm_clk_get(dev, NULL); ++ if (IS_ERR(imx519->xclk)) { ++ dev_err(dev, "failed to get xclk\n"); ++ return PTR_ERR(imx519->xclk); ++ } ++ ++ xclk_freq = clk_get_rate(imx519->xclk); ++ if (xclk_freq != IMX519_XCLK_FREQ) { ++ dev_err(dev, "xclk frequency not supported: %d Hz\n", ++ xclk_freq); ++ return -EINVAL; ++ } ++ ++ ret = imx519_get_regulators(imx519); ++ if (ret) { ++ dev_err(dev, "failed to get regulators\n"); ++ return ret; ++ } ++ ++ /* Request optional enable pin */ ++ imx519->reset_gpio = devm_gpiod_get_optional(dev, "reset", ++ GPIOD_OUT_HIGH); ++ ++ /* ++ * The sensor must be powered for imx519_identify_module() ++ * to be able to read the CHIP_ID register ++ */ ++ ret = imx519_power_on(dev); ++ if (ret) ++ return ret; ++ ++ ret = imx519_identify_module(imx519, IMX519_CHIP_ID); ++ if (ret) ++ goto error_power_off; ++ ++ /* Set default mode to max resolution */ ++ imx519->mode = &supported_modes_10bit[0]; ++ imx519->fmt_code = MEDIA_BUS_FMT_SRGGB10_1X10; ++ ++ /* Enable runtime PM and turn off the device */ ++ pm_runtime_set_active(dev); ++ pm_runtime_enable(dev); ++ pm_runtime_idle(dev); ++ ++ /* This needs the pm runtime to be registered. */ ++ ret = imx519_init_controls(imx519); ++ if (ret) ++ goto error_power_off; ++ ++ /* Initialize subdev */ ++ imx519->sd.internal_ops = &imx519_internal_ops; ++ imx519->sd.flags |= V4L2_SUBDEV_FL_HAS_DEVNODE | ++ V4L2_SUBDEV_FL_HAS_EVENTS; ++ imx519->sd.entity.function = MEDIA_ENT_F_CAM_SENSOR; ++ ++ /* Initialize source pads */ ++ imx519->pad.flags = MEDIA_PAD_FL_SOURCE; ++ ++ ret = media_entity_pads_init(&imx519->sd.entity, 1, &imx519->pad); ++ if (ret) { ++ dev_err(dev, "failed to init entity pads: %d\n", ret); ++ goto error_handler_free; ++ } ++ ++ ret = v4l2_async_register_subdev_sensor(&imx519->sd); ++ if (ret < 0) { ++ dev_err(dev, "failed to register sensor sub-device: %d\n", ret); ++ goto error_media_entity; ++ } ++ ++ return 0; ++ ++error_media_entity: ++ media_entity_cleanup(&imx519->sd.entity); ++ ++error_handler_free: ++ imx519_free_controls(imx519); ++ ++error_power_off: ++ pm_runtime_disable(&client->dev); ++ pm_runtime_set_suspended(&client->dev); ++ imx519_power_off(&client->dev); ++ ++ return ret; ++} ++ ++static int imx519_remove(struct i2c_client *client) ++{ ++ struct v4l2_subdev *sd = i2c_get_clientdata(client); ++ struct imx519 *imx519 = to_imx519(sd); ++ ++ v4l2_async_unregister_subdev(sd); ++ media_entity_cleanup(&sd->entity); ++ imx519_free_controls(imx519); ++ ++ pm_runtime_disable(&client->dev); ++ if (!pm_runtime_status_suspended(&client->dev)) ++ imx519_power_off(&client->dev); ++ pm_runtime_set_suspended(&client->dev); ++ ++ return 0; ++} ++ ++MODULE_DEVICE_TABLE(of, imx519_dt_ids); ++ ++static const struct dev_pm_ops imx519_pm_ops = { ++ SET_SYSTEM_SLEEP_PM_OPS(imx519_suspend, imx519_resume) ++ SET_RUNTIME_PM_OPS(imx519_power_off, imx519_power_on, NULL) ++}; ++ ++static struct i2c_driver imx519_i2c_driver = { ++ .driver = { ++ .name = "imx519", ++ .of_match_table = imx519_dt_ids, ++ .pm = &imx519_pm_ops, ++ }, ++ .probe_new = imx519_probe, ++ .remove = imx519_remove, ++}; ++ ++module_i2c_driver(imx519_i2c_driver); ++ ++MODULE_AUTHOR("Lee Jackson <info@arducam.com>"); ++MODULE_DESCRIPTION("Sony IMX519 sensor driver"); ++MODULE_LICENSE("GPL v2"); |