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author | Álvaro Fernández Rojas <noltari@gmail.com> | 2021-02-18 18:04:33 +0100 |
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committer | Álvaro Fernández Rojas <noltari@gmail.com> | 2021-02-19 07:17:21 +0100 |
commit | 62b7f5931c54e96fca56dd8761b0e466d355c881 (patch) | |
tree | 1258b392752379833a075df006c2f6d7ac4be51d /target/linux/bcm27xx/patches-5.4/950-0714-media-i2c-Add-driver-for-Sony-IMX477-sensor.patch | |
parent | 76d1168d0d4b9d76e2ad78c0fc6b255561deb284 (diff) | |
download | upstream-62b7f5931c54e96fca56dd8761b0e466d355c881.tar.gz upstream-62b7f5931c54e96fca56dd8761b0e466d355c881.tar.bz2 upstream-62b7f5931c54e96fca56dd8761b0e466d355c881.zip |
bcm27xx: import latest patches from the RPi foundation
bcm2708: boot tested on RPi B+ v1.2
bcm2709: boot tested on RPi 3B v1.2 and RPi 4B v1.1 4G
bcm2710: boot tested on RPi 3B v1.2
bcm2711: boot tested on RPi 4B v1.1 4G
Signed-off-by: Álvaro Fernández Rojas <noltari@gmail.com>
(cherry-picked from commit f07e572f64)
Diffstat (limited to 'target/linux/bcm27xx/patches-5.4/950-0714-media-i2c-Add-driver-for-Sony-IMX477-sensor.patch')
-rw-r--r-- | target/linux/bcm27xx/patches-5.4/950-0714-media-i2c-Add-driver-for-Sony-IMX477-sensor.patch | 2266 |
1 files changed, 2266 insertions, 0 deletions
diff --git a/target/linux/bcm27xx/patches-5.4/950-0714-media-i2c-Add-driver-for-Sony-IMX477-sensor.patch b/target/linux/bcm27xx/patches-5.4/950-0714-media-i2c-Add-driver-for-Sony-IMX477-sensor.patch new file mode 100644 index 0000000000..f3e2052bfd --- /dev/null +++ b/target/linux/bcm27xx/patches-5.4/950-0714-media-i2c-Add-driver-for-Sony-IMX477-sensor.patch @@ -0,0 +1,2266 @@ +From 58483dcbbb5feca6da79970665950b6b43928e60 Mon Sep 17 00:00:00 2001 +From: Naushir Patuck <naush@raspberrypi.com> +Date: Fri, 8 May 2020 10:00:12 +0100 +Subject: [PATCH] media: i2c: Add driver for Sony IMX477 sensor + +Adds a driver for the 12MPix Sony IMX477 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: + +4056x3040 12-bit @ 10fps +2028x1520 12-bit (binned) @ 40fps +2028x1050 12-bit (cropped/binned) @ 50fps +1012x760 10-bit (scaled) @ 120 fps + +Signed-off-by: Naushir Patuck <naush@raspberrypi.com> +--- + MAINTAINERS | 8 + + drivers/media/i2c/Kconfig | 11 + + drivers/media/i2c/Makefile | 1 + + drivers/media/i2c/imx477.c | 2191 ++++++++++++++++++++++++++++++++++++ + 4 files changed, 2211 insertions(+) + create mode 100644 drivers/media/i2c/imx477.c + +--- a/MAINTAINERS ++++ b/MAINTAINERS +@@ -15196,6 +15196,14 @@ T: git git://linuxtv.org/media_tree.git + S: Maintained + F: drivers/media/i2c/imx355.c + ++SONY IMX477 SENSOR DRIVER ++M: Raspberry Pi Kernel Maintenance <kernel-list@raspberrypi.com> ++L: linux-media@vger.kernel.org ++T: git git://linuxtv.org/media_tree.git ++S: Maintained ++F: drivers/media/i2c/imx477.c ++F: Documentation/devicetree/bindings/media/i2c/imx477.yaml ++ + SONY MEMORYSTICK SUBSYSTEM + M: Maxim Levitsky <maximlevitsky@gmail.com> + M: Alex Dubov <oakad@yahoo.com> +--- a/drivers/media/i2c/Kconfig ++++ b/drivers/media/i2c/Kconfig +@@ -609,6 +609,17 @@ config VIDEO_IMX274 + This is a V4L2 sensor driver for the Sony IMX274 + CMOS image sensor. + ++config VIDEO_IMX477 ++ tristate "Sony IMX477 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 Sony ++ IMX477 camera. ++ ++ To compile this driver as a module, choose M here: the ++ module will be called imx477. ++ + config VIDEO_IMX319 + tristate "Sony IMX319 sensor support" + depends on I2C && VIDEO_V4L2 && VIDEO_V4L2_SUBDEV_API +--- a/drivers/media/i2c/Makefile ++++ b/drivers/media/i2c/Makefile +@@ -114,6 +114,7 @@ obj-$(CONFIG_VIDEO_IMX214) += imx214.o + obj-$(CONFIG_VIDEO_IMX219) += imx219.o + obj-$(CONFIG_VIDEO_IMX258) += imx258.o + obj-$(CONFIG_VIDEO_IMX274) += imx274.o ++obj-$(CONFIG_VIDEO_IMX477) += imx477.o + obj-$(CONFIG_VIDEO_IMX319) += imx319.o + obj-$(CONFIG_VIDEO_IMX355) += imx355.o + obj-$(CONFIG_VIDEO_ST_MIPID02) += st-mipid02.o +--- /dev/null ++++ b/drivers/media/i2c/imx477.c +@@ -0,0 +1,2191 @@ ++// SPDX-License-Identifier: GPL-2.0 ++/* ++ * A V4L2 driver for Sony IMX477 cameras. ++ * Copyright (C) 2020, Raspberry Pi (Trading) Ltd ++ * ++ * Based on Sony imx219 camera driver ++ * Copyright (C) 2019-2020 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/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 IMX477_REG_VALUE_08BIT 1 ++#define IMX477_REG_VALUE_16BIT 2 ++ ++/* Chip ID */ ++#define IMX477_REG_CHIP_ID 0x0016 ++#define IMX477_CHIP_ID 0x0477 ++ ++#define IMX477_REG_MODE_SELECT 0x0100 ++#define IMX477_MODE_STANDBY 0x00 ++#define IMX477_MODE_STREAMING 0x01 ++ ++#define IMX477_REG_ORIENTATION 0x101 ++ ++#define IMX477_XCLK_FREQ 24000000 ++ ++#define IMX477_DEFAULT_LINK_FREQ 450000000 ++ ++/* Pixel rate is fixed at 840MHz for all the modes */ ++#define IMX477_PIXEL_RATE 840000000 ++ ++/* V_TIMING internal */ ++#define IMX477_REG_FRAME_LENGTH 0x0340 ++#define IMX477_FRAME_LENGTH_MAX 0xffdc ++ ++/* Exposure control */ ++#define IMX477_REG_EXPOSURE 0x0202 ++#define IMX477_EXPOSURE_OFFSET 22 ++#define IMX477_EXPOSURE_MIN 20 ++#define IMX477_EXPOSURE_STEP 1 ++#define IMX477_EXPOSURE_DEFAULT 0x640 ++#define IMX477_EXPOSURE_MAX (IMX477_FRAME_LENGTH_MAX - \ ++ IMX477_EXPOSURE_OFFSET) ++ ++/* Analog gain control */ ++#define IMX477_REG_ANALOG_GAIN 0x0204 ++#define IMX477_ANA_GAIN_MIN 0 ++#define IMX477_ANA_GAIN_MAX 978 ++#define IMX477_ANA_GAIN_STEP 1 ++#define IMX477_ANA_GAIN_DEFAULT 0x0 ++ ++/* Digital gain control */ ++#define IMX477_REG_DIGITAL_GAIN 0x020e ++#define IMX477_DGTL_GAIN_MIN 0x0100 ++#define IMX477_DGTL_GAIN_MAX 0xffff ++#define IMX477_DGTL_GAIN_DEFAULT 0x0100 ++#define IMX477_DGTL_GAIN_STEP 1 ++ ++/* Test Pattern Control */ ++#define IMX477_REG_TEST_PATTERN 0x0600 ++#define IMX477_TEST_PATTERN_DISABLE 0 ++#define IMX477_TEST_PATTERN_SOLID_COLOR 1 ++#define IMX477_TEST_PATTERN_COLOR_BARS 2 ++#define IMX477_TEST_PATTERN_GREY_COLOR 3 ++#define IMX477_TEST_PATTERN_PN9 4 ++ ++/* Test pattern colour components */ ++#define IMX477_REG_TEST_PATTERN_R 0x0602 ++#define IMX477_REG_TEST_PATTERN_GR 0x0604 ++#define IMX477_REG_TEST_PATTERN_B 0x0606 ++#define IMX477_REG_TEST_PATTERN_GB 0x0608 ++#define IMX477_TEST_PATTERN_COLOUR_MIN 0 ++#define IMX477_TEST_PATTERN_COLOUR_MAX 0x0fff ++#define IMX477_TEST_PATTERN_COLOUR_STEP 1 ++#define IMX477_TEST_PATTERN_R_DEFAULT IMX477_TEST_PATTERN_COLOUR_MAX ++#define IMX477_TEST_PATTERN_GR_DEFAULT 0 ++#define IMX477_TEST_PATTERN_B_DEFAULT 0 ++#define IMX477_TEST_PATTERN_GB_DEFAULT 0 ++ ++/* Embedded metadata stream structure */ ++#define IMX477_EMBEDDED_LINE_WIDTH 16384 ++#define IMX477_NUM_EMBEDDED_LINES 1 ++ ++enum pad_types { ++ IMAGE_PAD, ++ METADATA_PAD, ++ NUM_PADS ++}; ++ ++/* IMX477 native and active pixel array size. */ ++#define IMX477_NATIVE_WIDTH 4072U ++#define IMX477_NATIVE_HEIGHT 3176U ++#define IMX477_PIXEL_ARRAY_LEFT 8U ++#define IMX477_PIXEL_ARRAY_TOP 16U ++#define IMX477_PIXEL_ARRAY_WIDTH 4056U ++#define IMX477_PIXEL_ARRAY_HEIGHT 3040U ++ ++struct imx477_reg { ++ u16 address; ++ u8 val; ++}; ++ ++struct imx477_reg_list { ++ unsigned int num_of_regs; ++ const struct imx477_reg *regs; ++}; ++ ++/* Mode : resolution and related config&values */ ++struct imx477_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 imx477_reg_list reg_list; ++}; ++ ++static const struct imx477_reg mode_common_regs[] = { ++ {0x0136, 0x18}, ++ {0x0137, 0x00}, ++ {0xe000, 0x00}, ++ {0xe07a, 0x01}, ++ {0x0808, 0x02}, ++ {0x4ae9, 0x18}, ++ {0x4aea, 0x08}, ++ {0xf61c, 0x04}, ++ {0xf61e, 0x04}, ++ {0x4ae9, 0x21}, ++ {0x4aea, 0x80}, ++ {0x38a8, 0x1f}, ++ {0x38a9, 0xff}, ++ {0x38aa, 0x1f}, ++ {0x38ab, 0xff}, ++ {0x55d4, 0x00}, ++ {0x55d5, 0x00}, ++ {0x55d6, 0x07}, ++ {0x55d7, 0xff}, ++ {0x55e8, 0x07}, ++ {0x55e9, 0xff}, ++ {0x55ea, 0x00}, ++ {0x55eb, 0x00}, ++ {0x574c, 0x07}, ++ {0x574d, 0xff}, ++ {0x574e, 0x00}, ++ {0x574f, 0x00}, ++ {0x5754, 0x00}, ++ {0x5755, 0x00}, ++ {0x5756, 0x07}, ++ {0x5757, 0xff}, ++ {0x5973, 0x04}, ++ {0x5974, 0x01}, ++ {0x5d13, 0xc3}, ++ {0x5d14, 0x58}, ++ {0x5d15, 0xa3}, ++ {0x5d16, 0x1d}, ++ {0x5d17, 0x65}, ++ {0x5d18, 0x8c}, ++ {0x5d1a, 0x06}, ++ {0x5d1b, 0xa9}, ++ {0x5d1c, 0x45}, ++ {0x5d1d, 0x3a}, ++ {0x5d1e, 0xab}, ++ {0x5d1f, 0x15}, ++ {0x5d21, 0x0e}, ++ {0x5d22, 0x52}, ++ {0x5d23, 0xaa}, ++ {0x5d24, 0x7d}, ++ {0x5d25, 0x57}, ++ {0x5d26, 0xa8}, ++ {0x5d37, 0x5a}, ++ {0x5d38, 0x5a}, ++ {0x5d77, 0x7f}, ++ {0x7b75, 0x0e}, ++ {0x7b76, 0x0b}, ++ {0x7b77, 0x08}, ++ {0x7b78, 0x0a}, ++ {0x7b79, 0x47}, ++ {0x7b7c, 0x00}, ++ {0x7b7d, 0x00}, ++ {0x8d1f, 0x00}, ++ {0x8d27, 0x00}, ++ {0x9004, 0x03}, ++ {0x9200, 0x50}, ++ {0x9201, 0x6c}, ++ {0x9202, 0x71}, ++ {0x9203, 0x00}, ++ {0x9204, 0x71}, ++ {0x9205, 0x01}, ++ {0x9371, 0x6a}, ++ {0x9373, 0x6a}, ++ {0x9375, 0x64}, ++ {0x991a, 0x00}, ++ {0x996b, 0x8c}, ++ {0x996c, 0x64}, ++ {0x996d, 0x50}, ++ {0x9a4c, 0x0d}, ++ {0x9a4d, 0x0d}, ++ {0xa001, 0x0a}, ++ {0xa003, 0x0a}, ++ {0xa005, 0x0a}, ++ {0xa006, 0x01}, ++ {0xa007, 0xc0}, ++ {0xa009, 0xc0}, ++ {0x3d8a, 0x01}, ++ {0x4421, 0x04}, ++ {0x7b3b, 0x01}, ++ {0x7b4c, 0x00}, ++ {0x9905, 0x00}, ++ {0x9907, 0x00}, ++ {0x9909, 0x00}, ++ {0x990b, 0x00}, ++ {0x9944, 0x3c}, ++ {0x9947, 0x3c}, ++ {0x994a, 0x8c}, ++ {0x994b, 0x50}, ++ {0x994c, 0x1b}, ++ {0x994d, 0x8c}, ++ {0x994e, 0x50}, ++ {0x994f, 0x1b}, ++ {0x9950, 0x8c}, ++ {0x9951, 0x1b}, ++ {0x9952, 0x0a}, ++ {0x9953, 0x8c}, ++ {0x9954, 0x1b}, ++ {0x9955, 0x0a}, ++ {0x9a13, 0x04}, ++ {0x9a14, 0x04}, ++ {0x9a19, 0x00}, ++ {0x9a1c, 0x04}, ++ {0x9a1d, 0x04}, ++ {0x9a26, 0x05}, ++ {0x9a27, 0x05}, ++ {0x9a2c, 0x01}, ++ {0x9a2d, 0x03}, ++ {0x9a2f, 0x05}, ++ {0x9a30, 0x05}, ++ {0x9a41, 0x00}, ++ {0x9a46, 0x00}, ++ {0x9a47, 0x00}, ++ {0x9c17, 0x35}, ++ {0x9c1d, 0x31}, ++ {0x9c29, 0x50}, ++ {0x9c3b, 0x2f}, ++ {0x9c41, 0x6b}, ++ {0x9c47, 0x2d}, ++ {0x9c4d, 0x40}, ++ {0x9c6b, 0x00}, ++ {0x9c71, 0xc8}, ++ {0x9c73, 0x32}, ++ {0x9c75, 0x04}, ++ {0x9c7d, 0x2d}, ++ {0x9c83, 0x40}, ++ {0x9c94, 0x3f}, ++ {0x9c95, 0x3f}, ++ {0x9c96, 0x3f}, ++ {0x9c97, 0x00}, ++ {0x9c98, 0x00}, ++ {0x9c99, 0x00}, ++ {0x9c9a, 0x3f}, ++ {0x9c9b, 0x3f}, ++ {0x9c9c, 0x3f}, ++ {0x9ca0, 0x0f}, ++ {0x9ca1, 0x0f}, ++ {0x9ca2, 0x0f}, ++ {0x9ca3, 0x00}, ++ {0x9ca4, 0x00}, ++ {0x9ca5, 0x00}, ++ {0x9ca6, 0x1e}, ++ {0x9ca7, 0x1e}, ++ {0x9ca8, 0x1e}, ++ {0x9ca9, 0x00}, ++ {0x9caa, 0x00}, ++ {0x9cab, 0x00}, ++ {0x9cac, 0x09}, ++ {0x9cad, 0x09}, ++ {0x9cae, 0x09}, ++ {0x9cbd, 0x50}, ++ {0x9cbf, 0x50}, ++ {0x9cc1, 0x50}, ++ {0x9cc3, 0x40}, ++ {0x9cc5, 0x40}, ++ {0x9cc7, 0x40}, ++ {0x9cc9, 0x0a}, ++ {0x9ccb, 0x0a}, ++ {0x9ccd, 0x0a}, ++ {0x9d17, 0x35}, ++ {0x9d1d, 0x31}, ++ {0x9d29, 0x50}, ++ {0x9d3b, 0x2f}, ++ {0x9d41, 0x6b}, ++ {0x9d47, 0x42}, ++ {0x9d4d, 0x5a}, ++ {0x9d6b, 0x00}, ++ {0x9d71, 0xc8}, ++ {0x9d73, 0x32}, ++ {0x9d75, 0x04}, ++ {0x9d7d, 0x42}, ++ {0x9d83, 0x5a}, ++ {0x9d94, 0x3f}, ++ {0x9d95, 0x3f}, ++ {0x9d96, 0x3f}, ++ {0x9d97, 0x00}, ++ {0x9d98, 0x00}, ++ {0x9d99, 0x00}, ++ {0x9d9a, 0x3f}, ++ {0x9d9b, 0x3f}, ++ {0x9d9c, 0x3f}, ++ {0x9d9d, 0x1f}, ++ {0x9d9e, 0x1f}, ++ {0x9d9f, 0x1f}, ++ {0x9da0, 0x0f}, ++ {0x9da1, 0x0f}, ++ {0x9da2, 0x0f}, ++ {0x9da3, 0x00}, ++ {0x9da4, 0x00}, ++ {0x9da5, 0x00}, ++ {0x9da6, 0x1e}, ++ {0x9da7, 0x1e}, ++ {0x9da8, 0x1e}, ++ {0x9da9, 0x00}, ++ {0x9daa, 0x00}, ++ {0x9dab, 0x00}, ++ {0x9dac, 0x09}, ++ {0x9dad, 0x09}, ++ {0x9dae, 0x09}, ++ {0x9dc9, 0x0a}, ++ {0x9dcb, 0x0a}, ++ {0x9dcd, 0x0a}, ++ {0x9e17, 0x35}, ++ {0x9e1d, 0x31}, ++ {0x9e29, 0x50}, ++ {0x9e3b, 0x2f}, ++ {0x9e41, 0x6b}, ++ {0x9e47, 0x2d}, ++ {0x9e4d, 0x40}, ++ {0x9e6b, 0x00}, ++ {0x9e71, 0xc8}, ++ {0x9e73, 0x32}, ++ {0x9e75, 0x04}, ++ {0x9e94, 0x0f}, ++ {0x9e95, 0x0f}, ++ {0x9e96, 0x0f}, ++ {0x9e97, 0x00}, ++ {0x9e98, 0x00}, ++ {0x9e99, 0x00}, ++ {0x9ea0, 0x0f}, ++ {0x9ea1, 0x0f}, ++ {0x9ea2, 0x0f}, ++ {0x9ea3, 0x00}, ++ {0x9ea4, 0x00}, ++ {0x9ea5, 0x00}, ++ {0x9ea6, 0x3f}, ++ {0x9ea7, 0x3f}, ++ {0x9ea8, 0x3f}, ++ {0x9ea9, 0x00}, ++ {0x9eaa, 0x00}, ++ {0x9eab, 0x00}, ++ {0x9eac, 0x09}, ++ {0x9ead, 0x09}, ++ {0x9eae, 0x09}, ++ {0x9ec9, 0x0a}, ++ {0x9ecb, 0x0a}, ++ {0x9ecd, 0x0a}, ++ {0x9f17, 0x35}, ++ {0x9f1d, 0x31}, ++ {0x9f29, 0x50}, ++ {0x9f3b, 0x2f}, ++ {0x9f41, 0x6b}, ++ {0x9f47, 0x42}, ++ {0x9f4d, 0x5a}, ++ {0x9f6b, 0x00}, ++ {0x9f71, 0xc8}, ++ {0x9f73, 0x32}, ++ {0x9f75, 0x04}, ++ {0x9f94, 0x0f}, ++ {0x9f95, 0x0f}, ++ {0x9f96, 0x0f}, ++ {0x9f97, 0x00}, ++ {0x9f98, 0x00}, ++ {0x9f99, 0x00}, ++ {0x9f9a, 0x2f}, ++ {0x9f9b, 0x2f}, ++ {0x9f9c, 0x2f}, ++ {0x9f9d, 0x00}, ++ {0x9f9e, 0x00}, ++ {0x9f9f, 0x00}, ++ {0x9fa0, 0x0f}, ++ {0x9fa1, 0x0f}, ++ {0x9fa2, 0x0f}, ++ {0x9fa3, 0x00}, ++ {0x9fa4, 0x00}, ++ {0x9fa5, 0x00}, ++ {0x9fa6, 0x1e}, ++ {0x9fa7, 0x1e}, ++ {0x9fa8, 0x1e}, ++ {0x9fa9, 0x00}, ++ {0x9faa, 0x00}, ++ {0x9fab, 0x00}, ++ {0x9fac, 0x09}, ++ {0x9fad, 0x09}, ++ {0x9fae, 0x09}, ++ {0x9fc9, 0x0a}, ++ {0x9fcb, 0x0a}, ++ {0x9fcd, 0x0a}, ++ {0xa14b, 0xff}, ++ {0xa151, 0x0c}, ++ {0xa153, 0x50}, ++ {0xa155, 0x02}, ++ {0xa157, 0x00}, ++ {0xa1ad, 0xff}, ++ {0xa1b3, 0x0c}, ++ {0xa1b5, 0x50}, ++ {0xa1b9, 0x00}, ++ {0xa24b, 0xff}, ++ {0xa257, 0x00}, ++ {0xa2ad, 0xff}, ++ {0xa2b9, 0x00}, ++ {0xb21f, 0x04}, ++ {0xb35c, 0x00}, ++ {0xb35e, 0x08}, ++ {0x0112, 0x0c}, ++ {0x0113, 0x0c}, ++ {0x0114, 0x01}, ++ {0x0350, 0x00}, ++ {0xbcf1, 0x02}, ++ {0x3ff9, 0x01}, ++}; ++ ++/* 12 mpix 10fps */ ++static const struct imx477_reg mode_4056x3040_regs[] = { ++ {0x0342, 0x5d}, ++ {0x0343, 0xc0}, ++ {0x0344, 0x00}, ++ {0x0345, 0x00}, ++ {0x0346, 0x00}, ++ {0x0347, 0x00}, ++ {0x0348, 0x0f}, ++ {0x0349, 0xd7}, ++ {0x034a, 0x0b}, ++ {0x034b, 0xdf}, ++ {0x00e3, 0x00}, ++ {0x00e4, 0x00}, ++ {0x00fc, 0x0a}, ++ {0x00fd, 0x0a}, ++ {0x00fe, 0x0a}, ++ {0x00ff, 0x0a}, ++ {0x0220, 0x00}, ++ {0x0221, 0x11}, ++ {0x0381, 0x01}, ++ {0x0383, 0x01}, ++ {0x0385, 0x01}, ++ {0x0387, 0x01}, ++ {0x0900, 0x00}, ++ {0x0901, 0x11}, ++ {0x0902, 0x02}, ++ {0x3140, 0x02}, ++ {0x3c00, 0x00}, ++ {0x3c01, 0x03}, ++ {0x3c02, 0xa2}, ++ {0x3f0d, 0x01}, ++ {0x5748, 0x07}, ++ {0x5749, 0xff}, ++ {0x574a, 0x00}, ++ {0x574b, 0x00}, ++ {0x7b75, 0x0a}, ++ {0x7b76, 0x0c}, ++ {0x7b77, 0x07}, ++ {0x7b78, 0x06}, ++ {0x7b79, 0x3c}, ++ {0x7b53, 0x01}, ++ {0x9369, 0x5a}, ++ {0x936b, 0x55}, ++ {0x936d, 0x28}, ++ {0x9304, 0x00}, ++ {0x9305, 0x00}, ++ {0x9e9a, 0x2f}, ++ {0x9e9b, 0x2f}, ++ {0x9e9c, 0x2f}, ++ {0x9e9d, 0x00}, ++ {0x9e9e, 0x00}, ++ {0x9e9f, 0x00}, ++ {0xa2a9, 0x60}, ++ {0xa2b7, 0x00}, ++ {0x0401, 0x00}, ++ {0x0404, 0x00}, ++ {0x0405, 0x10}, ++ {0x0408, 0x00}, ++ {0x0409, 0x00}, ++ {0x040a, 0x00}, ++ {0x040b, 0x00}, ++ {0x040c, 0x0f}, ++ {0x040d, 0xd8}, ++ {0x040e, 0x0b}, ++ {0x040f, 0xe0}, ++ {0x034c, 0x0f}, ++ {0x034d, 0xd8}, ++ {0x034e, 0x0b}, ++ {0x034f, 0xe0}, ++ {0x0301, 0x05}, ++ {0x0303, 0x02}, ++ {0x0305, 0x04}, ++ {0x0306, 0x01}, ++ {0x0307, 0x5e}, ++ {0x0309, 0x0c}, ++ {0x030b, 0x02}, ++ {0x030d, 0x02}, ++ {0x030e, 0x00}, ++ {0x030f, 0x96}, ++ {0x0310, 0x01}, ++ {0x0820, 0x07}, ++ {0x0821, 0x08}, ++ {0x0822, 0x00}, ++ {0x0823, 0x00}, ++ {0x080a, 0x00}, ++ {0x080b, 0x7f}, ++ {0x080c, 0x00}, ++ {0x080d, 0x4f}, ++ {0x080e, 0x00}, ++ {0x080f, 0x77}, ++ {0x0810, 0x00}, ++ {0x0811, 0x5f}, ++ {0x0812, 0x00}, ++ {0x0813, 0x57}, ++ {0x0814, 0x00}, ++ {0x0815, 0x4f}, ++ {0x0816, 0x01}, ++ {0x0817, 0x27}, ++ {0x0818, 0x00}, ++ {0x0819, 0x3f}, ++ {0xe04c, 0x00}, ++ {0xe04d, 0x7f}, ++ {0xe04e, 0x00}, ++ {0xe04f, 0x1f}, ++ {0x3e20, 0x01}, ++ {0x3e37, 0x00}, ++ {0x3f50, 0x00}, ++ {0x3f56, 0x02}, ++ {0x3f57, 0xae}, ++}; ++ ++/* 2x2 binned. 40fps */ ++static const struct imx477_reg mode_2028x1520_regs[] = { ++ {0x0342, 0x31}, ++ {0x0343, 0xc4}, ++ {0x0344, 0x00}, ++ {0x0345, 0x00}, ++ {0x0346, 0x00}, ++ {0x0347, 0x00}, ++ {0x0348, 0x0f}, ++ {0x0349, 0xd7}, ++ {0x034a, 0x0b}, ++ {0x034b, 0xdf}, ++ {0x0220, 0x00}, ++ {0x0221, 0x11}, ++ {0x0381, 0x01}, ++ {0x0383, 0x01}, ++ {0x0385, 0x01}, ++ {0x0387, 0x01}, ++ {0x0900, 0x01}, ++ {0x0901, 0x12}, ++ {0x0902, 0x02}, ++ {0x3140, 0x02}, ++ {0x3c00, 0x00}, ++ {0x3c01, 0x03}, ++ {0x3c02, 0xa2}, ++ {0x3f0d, 0x01}, ++ {0x5748, 0x07}, ++ {0x5749, 0xff}, ++ {0x574a, 0x00}, ++ {0x574b, 0x00}, ++ {0x7b53, 0x01}, ++ {0x9369, 0x73}, ++ {0x936b, 0x64}, ++ {0x936d, 0x5f}, ++ {0x9304, 0x00}, ++ {0x9305, 0x00}, ++ {0x9e9a, 0x2f}, ++ {0x9e9b, 0x2f}, ++ {0x9e9c, 0x2f}, ++ {0x9e9d, 0x00}, ++ {0x9e9e, 0x00}, ++ {0x9e9f, 0x00}, ++ {0xa2a9, 0x60}, ++ {0xa2b7, 0x00}, ++ {0x0401, 0x01}, ++ {0x0404, 0x00}, ++ {0x0405, 0x20}, ++ {0x0408, 0x00}, ++ {0x0409, 0x00}, ++ {0x040a, 0x00}, ++ {0x040b, 0x00}, ++ {0x040c, 0x0f}, ++ {0x040d, 0xd8}, ++ {0x040e, 0x0b}, ++ {0x040f, 0xe0}, ++ {0x034c, 0x07}, ++ {0x034d, 0xec}, ++ {0x034e, 0x05}, ++ {0x034f, 0xf0}, ++ {0x0301, 0x05}, ++ {0x0303, 0x02}, ++ {0x0305, 0x04}, ++ {0x0306, 0x01}, ++ {0x0307, 0x5e}, ++ {0x0309, 0x0c}, ++ {0x030b, 0x02}, ++ {0x030d, 0x02}, ++ {0x030e, 0x00}, ++ {0x030f, 0x96}, ++ {0x0310, 0x01}, ++ {0x0820, 0x07}, ++ {0x0821, 0x08}, ++ {0x0822, 0x00}, ++ {0x0823, 0x00}, ++ {0x080a, 0x00}, ++ {0x080b, 0x7f}, ++ {0x080c, 0x00}, ++ {0x080d, 0x4f}, ++ {0x080e, 0x00}, ++ {0x080f, 0x77}, ++ {0x0810, 0x00}, ++ {0x0811, 0x5f}, ++ {0x0812, 0x00}, ++ {0x0813, 0x57}, ++ {0x0814, 0x00}, ++ {0x0815, 0x4f}, ++ {0x0816, 0x01}, ++ {0x0817, 0x27}, ++ {0x0818, 0x00}, ++ {0x0819, 0x3f}, ++ {0xe04c, 0x00}, ++ {0xe04d, 0x7f}, ++ {0xe04e, 0x00}, ++ {0xe04f, 0x1f}, ++ {0x3e20, 0x01}, ++ {0x3e37, 0x00}, ++ {0x3f50, 0x00}, ++ {0x3f56, 0x01}, ++ {0x3f57, 0x6c}, ++}; ++ ++/* 1080p cropped mode */ ++static const struct imx477_reg mode_2028x1080_regs[] = { ++ {0x0342, 0x31}, ++ {0x0343, 0xc4}, ++ {0x0344, 0x00}, ++ {0x0345, 0x00}, ++ {0x0346, 0x01}, ++ {0x0347, 0xb8}, ++ {0x0348, 0x0f}, ++ {0x0349, 0xd7}, ++ {0x034a, 0x0a}, ++ {0x034b, 0x27}, ++ {0x0220, 0x00}, ++ {0x0221, 0x11}, ++ {0x0381, 0x01}, ++ {0x0383, 0x01}, ++ {0x0385, 0x01}, ++ {0x0387, 0x01}, ++ {0x0900, 0x01}, ++ {0x0901, 0x12}, ++ {0x0902, 0x02}, ++ {0x3140, 0x02}, ++ {0x3c00, 0x00}, ++ {0x3c01, 0x03}, ++ {0x3c02, 0xa2}, ++ {0x3f0d, 0x01}, ++ {0x5748, 0x07}, ++ {0x5749, 0xff}, ++ {0x574a, 0x00}, ++ {0x574b, 0x00}, ++ {0x7b53, 0x01}, ++ {0x9369, 0x73}, ++ {0x936b, 0x64}, ++ {0x936d, 0x5f}, ++ {0x9304, 0x00}, ++ {0x9305, 0x00}, ++ {0x9e9a, 0x2f}, ++ {0x9e9b, 0x2f}, ++ {0x9e9c, 0x2f}, ++ {0x9e9d, 0x00}, ++ {0x9e9e, 0x00}, ++ {0x9e9f, 0x00}, ++ {0xa2a9, 0x60}, ++ {0xa2b7, 0x00}, ++ {0x0401, 0x01}, ++ {0x0404, 0x00}, ++ {0x0405, 0x20}, ++ {0x0408, 0x00}, ++ {0x0409, 0x00}, ++ {0x040a, 0x00}, ++ {0x040b, 0x00}, ++ {0x040c, 0x0f}, ++ {0x040d, 0xd8}, ++ {0x040e, 0x04}, ++ {0x040f, 0x38}, ++ {0x034c, 0x07}, ++ {0x034d, 0xec}, ++ {0x034e, 0x04}, ++ {0x034f, 0x38}, ++ {0x0301, 0x05}, ++ {0x0303, 0x02}, ++ {0x0305, 0x04}, ++ {0x0306, 0x01}, ++ {0x0307, 0x5e}, ++ {0x0309, 0x0c}, ++ {0x030b, 0x02}, ++ {0x030d, 0x02}, ++ {0x030e, 0x00}, ++ {0x030f, 0x96}, ++ {0x0310, 0x01}, ++ {0x0820, 0x07}, ++ {0x0821, 0x08}, ++ {0x0822, 0x00}, ++ {0x0823, 0x00}, ++ {0x080a, 0x00}, ++ {0x080b, 0x7f}, ++ {0x080c, 0x00}, ++ {0x080d, 0x4f}, ++ {0x080e, 0x00}, ++ {0x080f, 0x77}, ++ {0x0810, 0x00}, ++ {0x0811, 0x5f}, ++ {0x0812, 0x00}, ++ {0x0813, 0x57}, ++ {0x0814, 0x00}, ++ {0x0815, 0x4f}, ++ {0x0816, 0x01}, ++ {0x0817, 0x27}, ++ {0x0818, 0x00}, ++ {0x0819, 0x3f}, ++ {0xe04c, 0x00}, ++ {0xe04d, 0x7f}, ++ {0xe04e, 0x00}, ++ {0xe04f, 0x1f}, ++ {0x3e20, 0x01}, ++ {0x3e37, 0x00}, ++ {0x3f50, 0x00}, ++ {0x3f56, 0x01}, ++ {0x3f57, 0x6c}, ++}; ++ ++/* 4x4 binned. 120fps */ ++static const struct imx477_reg mode_1012x760_regs[] = { ++ {0x420b, 0x01}, ++ {0x990c, 0x00}, ++ {0x990d, 0x08}, ++ {0x9956, 0x8c}, ++ {0x9957, 0x64}, ++ {0x9958, 0x50}, ++ {0x9a48, 0x06}, ++ {0x9a49, 0x06}, ++ {0x9a4a, 0x06}, ++ {0x9a4b, 0x06}, ++ {0x9a4c, 0x06}, ++ {0x9a4d, 0x06}, ++ {0x0112, 0x0a}, ++ {0x0113, 0x0a}, ++ {0x0114, 0x01}, ++ {0x0342, 0x14}, ++ {0x0343, 0x60}, ++ {0x0344, 0x00}, ++ {0x0345, 0x00}, ++ {0x0346, 0x00}, ++ {0x0347, 0x00}, ++ {0x0348, 0x0f}, ++ {0x0349, 0xd3}, ++ {0x034a, 0x0b}, ++ {0x034b, 0xdf}, ++ {0x00e3, 0x00}, ++ {0x00e4, 0x00}, ++ {0x00fc, 0x0a}, ++ {0x00fd, 0x0a}, ++ {0x00fe, 0x0a}, ++ {0x00ff, 0x0a}, ++ {0x0220, 0x00}, ++ {0x0221, 0x11}, ++ {0x0381, 0x01}, ++ {0x0383, 0x01}, ++ {0x0385, 0x01}, ++ {0x0387, 0x03}, ++ {0x0900, 0x01}, ++ {0x0901, 0x22}, ++ {0x0902, 0x02}, ++ {0x3140, 0x02}, ++ {0x3c00, 0x00}, ++ {0x3c01, 0x01}, ++ {0x3c02, 0x9c}, ++ {0x3f0d, 0x00}, ++ {0x5748, 0x00}, ++ {0x5749, 0x00}, ++ {0x574a, 0x00}, ++ {0x574b, 0xa4}, ++ {0x7b75, 0x0e}, ++ {0x7b76, 0x09}, ++ {0x7b77, 0x08}, ++ {0x7b78, 0x06}, ++ {0x7b79, 0x34}, ++ {0x7b53, 0x00}, ++ {0x9369, 0x73}, ++ {0x936b, 0x64}, ++ {0x936d, 0x5f}, ++ {0x9304, 0x03}, ++ {0x9305, 0x80}, ++ {0x9e9a, 0x3f}, ++ {0x9e9b, 0x3f}, ++ {0x9e9c, 0x3f}, ++ {0x9e9d, 0x27}, ++ {0x9e9e, 0x27}, ++ {0x9e9f, 0x27}, ++ {0xa2a9, 0x27}, ++ {0xa2b7, 0x03}, ++ {0x0401, 0x01}, ++ {0x0404, 0x00}, ++ {0x0405, 0x20}, ++ {0x0408, 0x00}, ++ {0x0409, 0x00}, ++ {0x040a, 0x00}, ++ {0x040b, 0x00}, ++ {0x040c, 0x07}, ++ {0x040d, 0xea}, ++ {0x040e, 0x02}, ++ {0x040f, 0xf8}, ++ {0x034c, 0x03}, ++ {0x034d, 0xf4}, ++ {0x034e, 0x02}, ++ {0x034f, 0xf8}, ++ {0x0301, 0x05}, ++ {0x0303, 0x02}, ++ {0x0305, 0x02}, ++ {0x0306, 0x00}, ++ {0x0307, 0xaf}, ++ {0x0309, 0x0a}, ++ {0x030b, 0x02}, ++ {0x030d, 0x02}, ++ {0x030e, 0x00}, ++ {0x030f, 0x96}, ++ {0x0310, 0x01}, ++ {0x0820, 0x07}, ++ {0x0821, 0x08}, ++ {0x0822, 0x00}, ++ {0x0823, 0x00}, ++ {0x080a, 0x00}, ++ {0x080b, 0x6f}, ++ {0x080c, 0x00}, ++ {0x080d, 0x3f}, ++ {0x080e, 0x00}, ++ {0x080f, 0xff}, ++ {0x0810, 0x00}, ++ {0x0811, 0x4f}, ++ {0x0812, 0x00}, ++ {0x0813, 0x47}, ++ {0x0814, 0x00}, ++ {0x0815, 0x37}, ++ {0x0816, 0x00}, ++ {0x0817, 0xe7}, ++ {0x0818, 0x00}, ++ {0x0819, 0x2f}, ++ {0xe04c, 0x00}, ++ {0xe04d, 0x5f}, ++ {0xe04e, 0x00}, ++ {0xe04f, 0x1f}, ++ {0x3e20, 0x01}, ++ {0x3e37, 0x00}, ++ {0x3f50, 0x00}, ++ {0x3f56, 0x00}, ++ {0x3f57, 0x96}, ++}; ++ ++/* Mode configs */ ++static const struct imx477_mode supported_modes_12bit[] = { ++ { ++ /* 12MPix 10fps mode */ ++ .width = 4056, ++ .height = 3040, ++ .line_length_pix = 0x5dc0, ++ .crop = { ++ .left = 0, ++ .top = 0, ++ .width = 4056, ++ .height = 3040, ++ }, ++ .timeperframe_min = { ++ .numerator = 100, ++ .denominator = 1000 ++ }, ++ .timeperframe_default = { ++ .numerator = 100, ++ .denominator = 1000 ++ }, ++ .reg_list = { ++ .num_of_regs = ARRAY_SIZE(mode_4056x3040_regs), ++ .regs = mode_4056x3040_regs, ++ }, ++ }, ++ { ++ /* 2x2 binned 40fps mode */ ++ .width = 2028, ++ .height = 1520, ++ .line_length_pix = 0x31c4, ++ .crop = { ++ .left = 0, ++ .top = 0, ++ .width = 4056, ++ .height = 3040, ++ }, ++ .timeperframe_min = { ++ .numerator = 100, ++ .denominator = 4000 ++ }, ++ .timeperframe_default = { ++ .numerator = 100, ++ .denominator = 3000 ++ }, ++ .reg_list = { ++ .num_of_regs = ARRAY_SIZE(mode_2028x1520_regs), ++ .regs = mode_2028x1520_regs, ++ }, ++ }, ++ { ++ /* 1080p 50fps cropped mode */ ++ .width = 2028, ++ .height = 1080, ++ .line_length_pix = 0x31c4, ++ .crop = { ++ .left = 0, ++ .top = 440, ++ .width = 4056, ++ .height = 2600, ++ }, ++ .timeperframe_min = { ++ .numerator = 100, ++ .denominator = 5000 ++ }, ++ .timeperframe_default = { ++ .numerator = 100, ++ .denominator = 3000 ++ }, ++ .reg_list = { ++ .num_of_regs = ARRAY_SIZE(mode_2028x1080_regs), ++ .regs = mode_2028x1080_regs, ++ }, ++ } ++}; ++ ++static const struct imx477_mode supported_modes_10bit[] = { ++ { ++ /* 720P 120fps. 4x4 binned */ ++ .width = 1012, ++ .height = 760, ++ .line_length_pix = 0x1460, ++ .crop = { ++ /* ++ * FIXME: the analog crop rectangle is actually ++ * programmed with a horizontal displacement of 0 ++ * pixels, not 4. It gets shrunk after going through ++ * the scaler. Move this information to the compose ++ * rectangle once the driver is expanded to represent ++ * its processing blocks with multiple subdevs. ++ */ ++ .left = 4, ++ .top = 0, ++ .width = 4052, ++ .height = 3040, ++ }, ++ .timeperframe_min = { ++ .numerator = 100, ++ .denominator = 12000 ++ }, ++ .timeperframe_default = { ++ .numerator = 100, ++ .denominator = 60000 ++ }, ++ .reg_list = { ++ .num_of_regs = ARRAY_SIZE(mode_1012x760_regs), ++ .regs = mode_1012x760_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[] = { ++ /* 12-bit modes. */ ++ MEDIA_BUS_FMT_SRGGB12_1X12, ++ MEDIA_BUS_FMT_SGRBG12_1X12, ++ MEDIA_BUS_FMT_SGBRG12_1X12, ++ MEDIA_BUS_FMT_SBGGR12_1X12, ++ /* 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 imx477_test_pattern_menu[] = { ++ "Disabled", ++ "Color Bars", ++ "Solid Color", ++ "Grey Color Bars", ++ "PN9" ++}; ++ ++static const int imx477_test_pattern_val[] = { ++ IMX477_TEST_PATTERN_DISABLE, ++ IMX477_TEST_PATTERN_COLOR_BARS, ++ IMX477_TEST_PATTERN_SOLID_COLOR, ++ IMX477_TEST_PATTERN_GREY_COLOR, ++ IMX477_TEST_PATTERN_PN9, ++}; ++ ++/* regulator supplies */ ++static const char * const imx477_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 IMX477_NUM_SUPPLIES ARRAY_SIZE(imx477_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 IMX477_XCLR_MIN_DELAY_US 8000 ++#define IMX477_XCLR_DELAY_RANGE_US 1000 ++ ++struct imx477 { ++ struct v4l2_subdev sd; ++ struct media_pad pad[NUM_PADS]; ++ ++ struct v4l2_mbus_framefmt fmt; ++ ++ struct clk *xclk; ++ u32 xclk_freq; ++ ++ struct gpio_desc *reset_gpio; ++ struct regulator_bulk_data supplies[IMX477_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 imx477_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; ++}; ++ ++static inline struct imx477 *to_imx477(struct v4l2_subdev *_sd) ++{ ++ return container_of(_sd, struct imx477, sd); ++} ++ ++static inline void get_mode_table(unsigned int code, ++ const struct imx477_mode **mode_list, ++ unsigned int *num_modes) ++{ ++ switch (code) { ++ /* 12-bit */ ++ case MEDIA_BUS_FMT_SRGGB12_1X12: ++ case MEDIA_BUS_FMT_SGRBG12_1X12: ++ case MEDIA_BUS_FMT_SGBRG12_1X12: ++ case MEDIA_BUS_FMT_SBGGR12_1X12: ++ *mode_list = supported_modes_12bit; ++ *num_modes = ARRAY_SIZE(supported_modes_12bit); ++ break; ++ /* 10-bit */ ++ case MEDIA_BUS_FMT_SRGGB10_1X10: ++ case MEDIA_BUS_FMT_SGRBG10_1X10: ++ case MEDIA_BUS_FMT_SGBRG10_1X10: ++ case MEDIA_BUS_FMT_SBGGR10_1X10: ++ *mode_list = supported_modes_10bit; ++ *num_modes = ARRAY_SIZE(supported_modes_10bit); ++ break; ++ default: ++ *mode_list = NULL; ++ *num_modes = 0; ++ } ++} ++ ++/* Read registers up to 2 at a time */ ++static int imx477_read_reg(struct imx477 *imx477, u16 reg, u32 len, u32 *val) ++{ ++ struct i2c_client *client = v4l2_get_subdevdata(&imx477->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 imx477_write_reg(struct imx477 *imx477, u16 reg, u32 len, u32 val) ++{ ++ struct i2c_client *client = v4l2_get_subdevdata(&imx477->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 imx477_write_regs(struct imx477 *imx477, ++ const struct imx477_reg *regs, u32 len) ++{ ++ struct i2c_client *client = v4l2_get_subdevdata(&imx477->sd); ++ unsigned int i; ++ int ret; ++ ++ for (i = 0; i < len; i++) { ++ ret = imx477_write_reg(imx477, 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 imx477_get_format_code(struct imx477 *imx477, u32 code) ++{ ++ unsigned int i; ++ ++ lockdep_assert_held(&imx477->mutex); ++ ++ for (i = 0; i < ARRAY_SIZE(codes); i++) ++ if (codes[i] == code) ++ break; ++ ++ if (i >= ARRAY_SIZE(codes)) ++ i = 0; ++ ++ i = (i & ~3) | (imx477->vflip->val ? 2 : 0) | ++ (imx477->hflip->val ? 1 : 0); ++ ++ return codes[i]; ++} ++ ++static void imx477_set_default_format(struct imx477 *imx477) ++{ ++ struct v4l2_mbus_framefmt *fmt = &imx477->fmt; ++ ++ /* Set default mode to max resolution */ ++ imx477->mode = &supported_modes_12bit[0]; ++ ++ fmt->code = MEDIA_BUS_FMT_SRGGB12_1X12; ++ 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); ++ fmt->width = imx477->mode->width; ++ fmt->height = imx477->mode->height; ++ fmt->field = V4L2_FIELD_NONE; ++} ++ ++static int imx477_open(struct v4l2_subdev *sd, struct v4l2_subdev_fh *fh) ++{ ++ struct imx477 *imx477 = to_imx477(sd); ++ struct v4l2_mbus_framefmt *try_fmt_img = ++ v4l2_subdev_get_try_format(sd, fh->pad, IMAGE_PAD); ++ struct v4l2_mbus_framefmt *try_fmt_meta = ++ v4l2_subdev_get_try_format(sd, fh->pad, METADATA_PAD); ++ struct v4l2_rect *try_crop; ++ ++ mutex_lock(&imx477->mutex); ++ ++ /* Initialize try_fmt for the image pad */ ++ try_fmt_img->width = supported_modes_12bit[0].width; ++ try_fmt_img->height = supported_modes_12bit[0].height; ++ try_fmt_img->code = imx477_get_format_code(imx477, ++ MEDIA_BUS_FMT_SRGGB12_1X12); ++ try_fmt_img->field = V4L2_FIELD_NONE; ++ ++ /* Initialize try_fmt for the embedded metadata pad */ ++ try_fmt_meta->width = IMX477_EMBEDDED_LINE_WIDTH; ++ try_fmt_meta->height = IMX477_NUM_EMBEDDED_LINES; ++ try_fmt_meta->code = MEDIA_BUS_FMT_SENSOR_DATA; ++ try_fmt_meta->field = V4L2_FIELD_NONE; ++ ++ /* Initialize try_crop */ ++ try_crop = v4l2_subdev_get_try_crop(sd, fh->pad, IMAGE_PAD); ++ try_crop->left = IMX477_PIXEL_ARRAY_LEFT; ++ try_crop->top = IMX477_PIXEL_ARRAY_TOP; ++ try_crop->width = IMX477_PIXEL_ARRAY_WIDTH; ++ try_crop->height = IMX477_PIXEL_ARRAY_HEIGHT; ++ ++ mutex_unlock(&imx477->mutex); ++ ++ return 0; ++} ++ ++static int imx477_set_ctrl(struct v4l2_ctrl *ctrl) ++{ ++ struct imx477 *imx477 = ++ container_of(ctrl->handler, struct imx477, ctrl_handler); ++ struct i2c_client *client = v4l2_get_subdevdata(&imx477->sd); ++ int ret = 0; ++ ++ if (ctrl->id == V4L2_CID_VBLANK) { ++ int exposure_max, exposure_def; ++ ++ /* Update max exposure while meeting expected vblanking */ ++ exposure_max = imx477->mode->height + ctrl->val - ++ IMX477_EXPOSURE_OFFSET; ++ exposure_def = min(exposure_max, imx477->exposure->val); ++ __v4l2_ctrl_modify_range(imx477->exposure, ++ imx477->exposure->minimum, ++ exposure_max, imx477->exposure->step, ++ exposure_def); ++ } ++ ++ /* ++ * 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 = imx477_write_reg(imx477, IMX477_REG_ANALOG_GAIN, ++ IMX477_REG_VALUE_16BIT, ctrl->val); ++ break; ++ case V4L2_CID_EXPOSURE: ++ ret = imx477_write_reg(imx477, IMX477_REG_EXPOSURE, ++ IMX477_REG_VALUE_16BIT, ctrl->val); ++ break; ++ case V4L2_CID_DIGITAL_GAIN: ++ ret = imx477_write_reg(imx477, IMX477_REG_DIGITAL_GAIN, ++ IMX477_REG_VALUE_16BIT, ctrl->val); ++ break; ++ case V4L2_CID_TEST_PATTERN: ++ ret = imx477_write_reg(imx477, IMX477_REG_TEST_PATTERN, ++ IMX477_REG_VALUE_16BIT, ++ imx477_test_pattern_val[ctrl->val]); ++ break; ++ case V4L2_CID_TEST_PATTERN_RED: ++ ret = imx477_write_reg(imx477, IMX477_REG_TEST_PATTERN_R, ++ IMX477_REG_VALUE_16BIT, ctrl->val); ++ break; ++ case V4L2_CID_TEST_PATTERN_GREENR: ++ ret = imx477_write_reg(imx477, IMX477_REG_TEST_PATTERN_GR, ++ IMX477_REG_VALUE_16BIT, ctrl->val); ++ break; ++ case V4L2_CID_TEST_PATTERN_BLUE: ++ ret = imx477_write_reg(imx477, IMX477_REG_TEST_PATTERN_B, ++ IMX477_REG_VALUE_16BIT, ctrl->val); ++ break; ++ case V4L2_CID_TEST_PATTERN_GREENB: ++ ret = imx477_write_reg(imx477, IMX477_REG_TEST_PATTERN_GB, ++ IMX477_REG_VALUE_16BIT, ctrl->val); ++ break; ++ case V4L2_CID_HFLIP: ++ case V4L2_CID_VFLIP: ++ ret = imx477_write_reg(imx477, IMX477_REG_ORIENTATION, 1, ++ imx477->hflip->val | ++ imx477->vflip->val << 1); ++ break; ++ case V4L2_CID_VBLANK: ++ ret = imx477_write_reg(imx477, IMX477_REG_FRAME_LENGTH, ++ IMX477_REG_VALUE_16BIT, ++ imx477->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 imx477_ctrl_ops = { ++ .s_ctrl = imx477_set_ctrl, ++}; ++ ++static int imx477_enum_mbus_code(struct v4l2_subdev *sd, ++ struct v4l2_subdev_pad_config *cfg, ++ struct v4l2_subdev_mbus_code_enum *code) ++{ ++ struct imx477 *imx477 = to_imx477(sd); ++ ++ if (code->pad >= NUM_PADS) ++ return -EINVAL; ++ ++ if (code->pad == IMAGE_PAD) { ++ if (code->index >= (ARRAY_SIZE(codes) / 4)) ++ return -EINVAL; ++ ++ code->code = imx477_get_format_code(imx477, ++ codes[code->index * 4]); ++ } else { ++ if (code->index > 0) ++ return -EINVAL; ++ ++ code->code = MEDIA_BUS_FMT_SENSOR_DATA; ++ } ++ ++ return 0; ++} ++ ++static int imx477_enum_frame_size(struct v4l2_subdev *sd, ++ struct v4l2_subdev_pad_config *cfg, ++ struct v4l2_subdev_frame_size_enum *fse) ++{ ++ struct imx477 *imx477 = to_imx477(sd); ++ ++ if (fse->pad >= NUM_PADS) ++ return -EINVAL; ++ ++ if (fse->pad == IMAGE_PAD) { ++ const struct imx477_mode *mode_list; ++ unsigned int num_modes; ++ ++ get_mode_table(fse->code, &mode_list, &num_modes); ++ ++ if (fse->index >= num_modes) ++ return -EINVAL; ++ ++ if (fse->code != imx477_get_format_code(imx477, fse->code)) ++ return -EINVAL; ++ ++ fse->min_width = mode_list[fse->index].width; ++ fse->max_width = fse->min_width; ++ fse->min_height = mode_list[fse->index].height; ++ fse->max_height = fse->min_height; ++ } else { ++ if (fse->code != MEDIA_BUS_FMT_SENSOR_DATA || fse->index > 0) ++ return -EINVAL; ++ ++ fse->min_width = IMX477_EMBEDDED_LINE_WIDTH; ++ fse->max_width = fse->min_width; ++ fse->min_height = IMX477_NUM_EMBEDDED_LINES; ++ fse->max_height = fse->min_height; ++ } ++ ++ return 0; ++} ++ ++static void imx477_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 imx477_update_image_pad_format(struct imx477 *imx477, ++ const struct imx477_mode *mode, ++ struct v4l2_subdev_format *fmt) ++{ ++ fmt->format.width = mode->width; ++ fmt->format.height = mode->height; ++ fmt->format.field = V4L2_FIELD_NONE; ++ imx477_reset_colorspace(&fmt->format); ++} ++ ++static void imx477_update_metadata_pad_format(struct v4l2_subdev_format *fmt) ++{ ++ fmt->format.width = IMX477_EMBEDDED_LINE_WIDTH; ++ fmt->format.height = IMX477_NUM_EMBEDDED_LINES; ++ fmt->format.code = MEDIA_BUS_FMT_SENSOR_DATA; ++ fmt->format.field = V4L2_FIELD_NONE; ++} ++ ++static int imx477_get_pad_format(struct v4l2_subdev *sd, ++ struct v4l2_subdev_pad_config *cfg, ++ struct v4l2_subdev_format *fmt) ++{ ++ struct imx477 *imx477 = to_imx477(sd); ++ ++ if (fmt->pad >= NUM_PADS) ++ return -EINVAL; ++ ++ mutex_lock(&imx477->mutex); ++ ++ if (fmt->which == V4L2_SUBDEV_FORMAT_TRY) { ++ struct v4l2_mbus_framefmt *try_fmt = ++ v4l2_subdev_get_try_format(&imx477->sd, cfg, fmt->pad); ++ /* update the code which could change due to vflip or hflip: */ ++ try_fmt->code = fmt->pad == IMAGE_PAD ? ++ imx477_get_format_code(imx477, try_fmt->code) : ++ MEDIA_BUS_FMT_SENSOR_DATA; ++ fmt->format = *try_fmt; ++ } else { ++ if (fmt->pad == IMAGE_PAD) { ++ imx477_update_image_pad_format(imx477, imx477->mode, ++ fmt); ++ fmt->format.code = ++ imx477_get_format_code(imx477, imx477->fmt.code); ++ } else { ++ imx477_update_metadata_pad_format(fmt); ++ } ++ } ++ ++ mutex_unlock(&imx477->mutex); ++ return 0; ++} ++ ++static ++unsigned int imx477_get_frame_length(const struct imx477_mode *mode, ++ const struct v4l2_fract *timeperframe) ++{ ++ u64 frame_length; ++ ++ frame_length = (u64)timeperframe->numerator * IMX477_PIXEL_RATE; ++ do_div(frame_length, ++ (u64)timeperframe->denominator * mode->line_length_pix); ++ ++ if (WARN_ON(frame_length > IMX477_FRAME_LENGTH_MAX)) ++ frame_length = IMX477_FRAME_LENGTH_MAX; ++ ++ return max_t(unsigned int, frame_length, mode->height); ++} ++ ++static void imx477_set_framing_limits(struct imx477 *imx477) ++{ ++ const struct imx477_mode *mode = imx477->mode; ++ unsigned int frm_length_min, frm_length_default; ++ unsigned int exposure_max, exposure_def, hblank; ++ ++ frm_length_min = imx477_get_frame_length(mode, &mode->timeperframe_min); ++ frm_length_default = ++ imx477_get_frame_length(mode, &mode->timeperframe_default); ++ ++ /* Update limits and set FPS to default */ ++ __v4l2_ctrl_modify_range(imx477->vblank, frm_length_min - mode->height, ++ IMX477_FRAME_LENGTH_MAX - mode->height, ++ 1, frm_length_default - mode->height); ++ __v4l2_ctrl_s_ctrl(imx477->vblank, frm_length_default - mode->height); ++ ++ /* Update max exposure while meeting expected vblanking */ ++ exposure_max = IMX477_FRAME_LENGTH_MAX - IMX477_EXPOSURE_OFFSET; ++ exposure_def = frm_length_default - mode->height - ++ IMX477_EXPOSURE_OFFSET; ++ __v4l2_ctrl_modify_range(imx477->exposure, imx477->exposure->minimum, ++ exposure_max, imx477->exposure->step, ++ exposure_def); ++ /* ++ * 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(imx477->hblank, hblank, hblank, 1, hblank); ++} ++ ++static int imx477_set_pad_format(struct v4l2_subdev *sd, ++ struct v4l2_subdev_pad_config *cfg, ++ struct v4l2_subdev_format *fmt) ++{ ++ struct v4l2_mbus_framefmt *framefmt; ++ const struct imx477_mode *mode; ++ struct imx477 *imx477 = to_imx477(sd); ++ ++ if (fmt->pad >= NUM_PADS) ++ return -EINVAL; ++ ++ mutex_lock(&imx477->mutex); ++ ++ if (fmt->pad == IMAGE_PAD) { ++ const struct imx477_mode *mode_list; ++ unsigned int num_modes; ++ ++ /* Bayer order varies with flips */ ++ fmt->format.code = imx477_get_format_code(imx477, ++ fmt->format.code); ++ ++ get_mode_table(fmt->format.code, &mode_list, &num_modes); ++ ++ mode = v4l2_find_nearest_size(mode_list, ++ num_modes, ++ width, height, ++ fmt->format.width, ++ fmt->format.height); ++ imx477_update_image_pad_format(imx477, mode, fmt); ++ if (fmt->which == V4L2_SUBDEV_FORMAT_TRY) { ++ framefmt = v4l2_subdev_get_try_format(sd, cfg, ++ fmt->pad); ++ *framefmt = fmt->format; ++ } else { ++ imx477->mode = mode; ++ imx477_set_framing_limits(imx477); ++ } ++ } else { ++ if (fmt->which == V4L2_SUBDEV_FORMAT_TRY) { ++ framefmt = v4l2_subdev_get_try_format(sd, cfg, ++ fmt->pad); ++ *framefmt = fmt->format; ++ } else { ++ /* Only one embedded data mode is supported */ ++ imx477_update_metadata_pad_format(fmt); ++ } ++ } ++ ++ mutex_unlock(&imx477->mutex); ++ ++ return 0; ++} ++ ++static const struct v4l2_rect * ++__imx477_get_pad_crop(struct imx477 *imx477, struct v4l2_subdev_pad_config *cfg, ++ unsigned int pad, enum v4l2_subdev_format_whence which) ++{ ++ switch (which) { ++ case V4L2_SUBDEV_FORMAT_TRY: ++ return v4l2_subdev_get_try_crop(&imx477->sd, cfg, pad); ++ case V4L2_SUBDEV_FORMAT_ACTIVE: ++ return &imx477->mode->crop; ++ } ++ ++ return NULL; ++} ++ ++static int imx477_get_selection(struct v4l2_subdev *sd, ++ struct v4l2_subdev_pad_config *cfg, ++ struct v4l2_subdev_selection *sel) ++{ ++ switch (sel->target) { ++ case V4L2_SEL_TGT_CROP: { ++ struct imx477 *imx477 = to_imx477(sd); ++ ++ mutex_lock(&imx477->mutex); ++ sel->r = *__imx477_get_pad_crop(imx477, cfg, sel->pad, ++ sel->which); ++ mutex_unlock(&imx477->mutex); ++ ++ return 0; ++ } ++ ++ case V4L2_SEL_TGT_NATIVE_SIZE: ++ sel->r.left = 0; ++ sel->r.top = 0; ++ sel->r.width = IMX477_NATIVE_WIDTH; ++ sel->r.height = IMX477_NATIVE_HEIGHT; ++ ++ return 0; ++ ++ case V4L2_SEL_TGT_CROP_DEFAULT: ++ sel->r.left = IMX477_PIXEL_ARRAY_LEFT; ++ sel->r.top = IMX477_PIXEL_ARRAY_TOP; ++ sel->r.width = IMX477_PIXEL_ARRAY_WIDTH; ++ sel->r.height = IMX477_PIXEL_ARRAY_HEIGHT; ++ ++ return 0; ++ } ++ ++ return -EINVAL; ++} ++ ++/* Start streaming */ ++static int imx477_start_streaming(struct imx477 *imx477) ++{ ++ struct i2c_client *client = v4l2_get_subdevdata(&imx477->sd); ++ const struct imx477_reg_list *reg_list; ++ int ret; ++ ++ if (!imx477->common_regs_written) { ++ ret = imx477_write_regs(imx477, mode_common_regs, ++ ARRAY_SIZE(mode_common_regs)); ++ if (ret) { ++ dev_err(&client->dev, "%s failed to set common settings\n", ++ __func__); ++ return ret; ++ } ++ imx477->common_regs_written = true; ++ } ++ ++ /* Apply default values of current mode */ ++ reg_list = &imx477->mode->reg_list; ++ ret = imx477_write_regs(imx477, 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(imx477->sd.ctrl_handler); ++ if (ret) ++ return ret; ++ ++ /* set stream on register */ ++ return imx477_write_reg(imx477, IMX477_REG_MODE_SELECT, ++ IMX477_REG_VALUE_08BIT, IMX477_MODE_STREAMING); ++} ++ ++/* Stop streaming */ ++static void imx477_stop_streaming(struct imx477 *imx477) ++{ ++ struct i2c_client *client = v4l2_get_subdevdata(&imx477->sd); ++ int ret; ++ ++ /* set stream off register */ ++ ret = imx477_write_reg(imx477, IMX477_REG_MODE_SELECT, ++ IMX477_REG_VALUE_08BIT, IMX477_MODE_STANDBY); ++ if (ret) ++ dev_err(&client->dev, "%s failed to set stream\n", __func__); ++} ++ ++static int imx477_set_stream(struct v4l2_subdev *sd, int enable) ++{ ++ struct imx477 *imx477 = to_imx477(sd); ++ struct i2c_client *client = v4l2_get_subdevdata(sd); ++ int ret = 0; ++ ++ mutex_lock(&imx477->mutex); ++ if (imx477->streaming == enable) { ++ mutex_unlock(&imx477->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 = imx477_start_streaming(imx477); ++ if (ret) ++ goto err_rpm_put; ++ } else { ++ imx477_stop_streaming(imx477); ++ pm_runtime_put(&client->dev); ++ } ++ ++ imx477->streaming = enable; ++ ++ /* vflip and hflip cannot change during streaming */ ++ __v4l2_ctrl_grab(imx477->vflip, enable); ++ __v4l2_ctrl_grab(imx477->hflip, enable); ++ ++ mutex_unlock(&imx477->mutex); ++ ++ return ret; ++ ++err_rpm_put: ++ pm_runtime_put(&client->dev); ++err_unlock: ++ mutex_unlock(&imx477->mutex); ++ ++ return ret; ++} ++ ++/* Power/clock management functions */ ++static int imx477_power_on(struct device *dev) ++{ ++ struct i2c_client *client = to_i2c_client(dev); ++ struct v4l2_subdev *sd = i2c_get_clientdata(client); ++ struct imx477 *imx477 = to_imx477(sd); ++ int ret; ++ ++ ret = regulator_bulk_enable(IMX477_NUM_SUPPLIES, ++ imx477->supplies); ++ if (ret) { ++ dev_err(&client->dev, "%s: failed to enable regulators\n", ++ __func__); ++ return ret; ++ } ++ ++ ret = clk_prepare_enable(imx477->xclk); ++ if (ret) { ++ dev_err(&client->dev, "%s: failed to enable clock\n", ++ __func__); ++ goto reg_off; ++ } ++ ++ gpiod_set_value_cansleep(imx477->reset_gpio, 1); ++ usleep_range(IMX477_XCLR_MIN_DELAY_US, ++ IMX477_XCLR_MIN_DELAY_US + IMX477_XCLR_DELAY_RANGE_US); ++ ++ return 0; ++ ++reg_off: ++ regulator_bulk_disable(IMX477_NUM_SUPPLIES, imx477->supplies); ++ return ret; ++} ++ ++static int imx477_power_off(struct device *dev) ++{ ++ struct i2c_client *client = to_i2c_client(dev); ++ struct v4l2_subdev *sd = i2c_get_clientdata(client); ++ struct imx477 *imx477 = to_imx477(sd); ++ ++ gpiod_set_value_cansleep(imx477->reset_gpio, 0); ++ regulator_bulk_disable(IMX477_NUM_SUPPLIES, imx477->supplies); ++ clk_disable_unprepare(imx477->xclk); ++ ++ /* Force reprogramming of the common registers when powered up again. */ ++ imx477->common_regs_written = false; ++ ++ return 0; ++} ++ ++static int __maybe_unused imx477_suspend(struct device *dev) ++{ ++ struct i2c_client *client = to_i2c_client(dev); ++ struct v4l2_subdev *sd = i2c_get_clientdata(client); ++ struct imx477 *imx477 = to_imx477(sd); ++ ++ if (imx477->streaming) ++ imx477_stop_streaming(imx477); ++ ++ return 0; ++} ++ ++static int __maybe_unused imx477_resume(struct device *dev) ++{ ++ struct i2c_client *client = to_i2c_client(dev); ++ struct v4l2_subdev *sd = i2c_get_clientdata(client); ++ struct imx477 *imx477 = to_imx477(sd); ++ int ret; ++ ++ if (imx477->streaming) { ++ ret = imx477_start_streaming(imx477); ++ if (ret) ++ goto error; ++ } ++ ++ return 0; ++ ++error: ++ imx477_stop_streaming(imx477); ++ imx477->streaming = 0; ++ return ret; ++} ++ ++static int imx477_get_regulators(struct imx477 *imx477) ++{ ++ struct i2c_client *client = v4l2_get_subdevdata(&imx477->sd); ++ unsigned int i; ++ ++ for (i = 0; i < IMX477_NUM_SUPPLIES; i++) ++ imx477->supplies[i].supply = imx477_supply_name[i]; ++ ++ return devm_regulator_bulk_get(&client->dev, ++ IMX477_NUM_SUPPLIES, ++ imx477->supplies); ++} ++ ++/* Verify chip ID */ ++static int imx477_identify_module(struct imx477 *imx477) ++{ ++ struct i2c_client *client = v4l2_get_subdevdata(&imx477->sd); ++ int ret; ++ u32 val; ++ ++ ret = imx477_read_reg(imx477, IMX477_REG_CHIP_ID, ++ IMX477_REG_VALUE_16BIT, &val); ++ if (ret) { ++ dev_err(&client->dev, "failed to read chip id %x, with error %d\n", ++ IMX477_CHIP_ID, ret); ++ return ret; ++ } ++ ++ if (val != IMX477_CHIP_ID) { ++ dev_err(&client->dev, "chip id mismatch: %x!=%x\n", ++ IMX477_CHIP_ID, val); ++ ret = -EINVAL; ++ } ++ ++ return 0; ++} ++ ++static const struct v4l2_subdev_core_ops imx477_core_ops = { ++ .subscribe_event = v4l2_ctrl_subdev_subscribe_event, ++ .unsubscribe_event = v4l2_event_subdev_unsubscribe, ++}; ++ ++static const struct v4l2_subdev_video_ops imx477_video_ops = { ++ .s_stream = imx477_set_stream, ++}; ++ ++static const struct v4l2_subdev_pad_ops imx477_pad_ops = { ++ .enum_mbus_code = imx477_enum_mbus_code, ++ .get_fmt = imx477_get_pad_format, ++ .set_fmt = imx477_set_pad_format, ++ .get_selection = imx477_get_selection, ++ .enum_frame_size = imx477_enum_frame_size, ++}; ++ ++static const struct v4l2_subdev_ops imx477_subdev_ops = { ++ .core = &imx477_core_ops, ++ .video = &imx477_video_ops, ++ .pad = &imx477_pad_ops, ++}; ++ ++static const struct v4l2_subdev_internal_ops imx477_internal_ops = { ++ .open = imx477_open, ++}; ++ ++/* Initialize control handlers */ ++static int imx477_init_controls(struct imx477 *imx477) ++{ ++ struct v4l2_ctrl_handler *ctrl_hdlr; ++ struct i2c_client *client = v4l2_get_subdevdata(&imx477->sd); ++ unsigned int i; ++ int ret; ++ ++ ctrl_hdlr = &imx477->ctrl_handler; ++ ret = v4l2_ctrl_handler_init(ctrl_hdlr, 14); ++ if (ret) ++ return ret; ++ ++ mutex_init(&imx477->mutex); ++ ctrl_hdlr->lock = &imx477->mutex; ++ ++ /* By default, PIXEL_RATE is read only */ ++ imx477->pixel_rate = v4l2_ctrl_new_std(ctrl_hdlr, &imx477_ctrl_ops, ++ V4L2_CID_PIXEL_RATE, ++ IMX477_PIXEL_RATE, ++ IMX477_PIXEL_RATE, 1, ++ IMX477_PIXEL_RATE); ++ ++ /* ++ * Create the controls here, but mode specific limits are setup ++ * in the imx477_set_framing_limits() call below. ++ */ ++ imx477->vblank = v4l2_ctrl_new_std(ctrl_hdlr, &imx477_ctrl_ops, ++ V4L2_CID_VBLANK, 0, 0xffff, 1, 0); ++ imx477->hblank = v4l2_ctrl_new_std(ctrl_hdlr, &imx477_ctrl_ops, ++ V4L2_CID_HBLANK, 0, 0xffff, 1, 0); ++ ++ /* HBLANK is read-only for now, but does change with mode. */ ++ if (imx477->hblank) ++ imx477->hblank->flags |= V4L2_CTRL_FLAG_READ_ONLY; ++ ++ imx477->exposure = v4l2_ctrl_new_std(ctrl_hdlr, &imx477_ctrl_ops, ++ V4L2_CID_EXPOSURE, ++ IMX477_EXPOSURE_MIN, ++ IMX477_EXPOSURE_MAX, ++ IMX477_EXPOSURE_STEP, ++ IMX477_EXPOSURE_DEFAULT); ++ ++ v4l2_ctrl_new_std(ctrl_hdlr, &imx477_ctrl_ops, V4L2_CID_ANALOGUE_GAIN, ++ IMX477_ANA_GAIN_MIN, IMX477_ANA_GAIN_MAX, ++ IMX477_ANA_GAIN_STEP, IMX477_ANA_GAIN_DEFAULT); ++ ++ v4l2_ctrl_new_std(ctrl_hdlr, &imx477_ctrl_ops, V4L2_CID_DIGITAL_GAIN, ++ IMX477_DGTL_GAIN_MIN, IMX477_DGTL_GAIN_MAX, ++ IMX477_DGTL_GAIN_STEP, IMX477_DGTL_GAIN_DEFAULT); ++ ++ imx477->hflip = v4l2_ctrl_new_std(ctrl_hdlr, &imx477_ctrl_ops, ++ V4L2_CID_HFLIP, 0, 1, 1, 0); ++ if (imx477->hflip) ++ imx477->hflip->flags |= V4L2_CTRL_FLAG_MODIFY_LAYOUT; ++ ++ imx477->vflip = v4l2_ctrl_new_std(ctrl_hdlr, &imx477_ctrl_ops, ++ V4L2_CID_VFLIP, 0, 1, 1, 0); ++ if (imx477->vflip) ++ imx477->vflip->flags |= V4L2_CTRL_FLAG_MODIFY_LAYOUT; ++ ++ v4l2_ctrl_new_std_menu_items(ctrl_hdlr, &imx477_ctrl_ops, ++ V4L2_CID_TEST_PATTERN, ++ ARRAY_SIZE(imx477_test_pattern_menu) - 1, ++ 0, 0, imx477_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, &imx477_ctrl_ops, ++ V4L2_CID_TEST_PATTERN_RED + i, ++ IMX477_TEST_PATTERN_COLOUR_MIN, ++ IMX477_TEST_PATTERN_COLOUR_MAX, ++ IMX477_TEST_PATTERN_COLOUR_STEP, ++ IMX477_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; ++ } ++ ++ imx477->sd.ctrl_handler = ctrl_hdlr; ++ ++ /* Setup exposure and frame/line length limits. */ ++ imx477_set_framing_limits(imx477); ++ ++ return 0; ++ ++error: ++ v4l2_ctrl_handler_free(ctrl_hdlr); ++ mutex_destroy(&imx477->mutex); ++ ++ return ret; ++} ++ ++static void imx477_free_controls(struct imx477 *imx477) ++{ ++ v4l2_ctrl_handler_free(imx477->sd.ctrl_handler); ++ mutex_destroy(&imx477->mutex); ++} ++ ++static int imx477_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] != IMX477_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 int imx477_probe(struct i2c_client *client) ++{ ++ struct device *dev = &client->dev; ++ struct imx477 *imx477; ++ int ret; ++ ++ imx477 = devm_kzalloc(&client->dev, sizeof(*imx477), GFP_KERNEL); ++ if (!imx477) ++ return -ENOMEM; ++ ++ v4l2_i2c_subdev_init(&imx477->sd, client, &imx477_subdev_ops); ++ ++ /* Check the hardware configuration in device tree */ ++ if (imx477_check_hwcfg(dev)) ++ return -EINVAL; ++ ++ /* Get system clock (xclk) */ ++ imx477->xclk = devm_clk_get(dev, NULL); ++ if (IS_ERR(imx477->xclk)) { ++ dev_err(dev, "failed to get xclk\n"); ++ return PTR_ERR(imx477->xclk); ++ } ++ ++ imx477->xclk_freq = clk_get_rate(imx477->xclk); ++ if (imx477->xclk_freq != IMX477_XCLK_FREQ) { ++ dev_err(dev, "xclk frequency not supported: %d Hz\n", ++ imx477->xclk_freq); ++ return -EINVAL; ++ } ++ ++ ret = imx477_get_regulators(imx477); ++ if (ret) { ++ dev_err(dev, "failed to get regulators\n"); ++ return ret; ++ } ++ ++ /* Request optional enable pin */ ++ imx477->reset_gpio = devm_gpiod_get_optional(dev, "reset", ++ GPIOD_OUT_HIGH); ++ ++ /* ++ * The sensor must be powered for imx477_identify_module() ++ * to be able to read the CHIP_ID register ++ */ ++ ret = imx477_power_on(dev); ++ if (ret) ++ return ret; ++ ++ ret = imx477_identify_module(imx477); ++ if (ret) ++ goto error_power_off; ++ ++ /* Initialize default format */ ++ imx477_set_default_format(imx477); ++ ++ /* 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 = imx477_init_controls(imx477); ++ if (ret) ++ goto error_power_off; ++ ++ /* Initialize subdev */ ++ imx477->sd.internal_ops = &imx477_internal_ops; ++ imx477->sd.flags |= V4L2_SUBDEV_FL_HAS_DEVNODE | ++ V4L2_SUBDEV_FL_HAS_EVENTS; ++ imx477->sd.entity.function = MEDIA_ENT_F_CAM_SENSOR; ++ ++ /* Initialize source pads */ ++ imx477->pad[IMAGE_PAD].flags = MEDIA_PAD_FL_SOURCE; ++ imx477->pad[METADATA_PAD].flags = MEDIA_PAD_FL_SOURCE; ++ ++ ret = media_entity_pads_init(&imx477->sd.entity, NUM_PADS, imx477->pad); ++ if (ret) { ++ dev_err(dev, "failed to init entity pads: %d\n", ret); ++ goto error_handler_free; ++ } ++ ++ ret = v4l2_async_register_subdev_sensor_common(&imx477->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(&imx477->sd.entity); ++ ++error_handler_free: ++ imx477_free_controls(imx477); ++ ++error_power_off: ++ pm_runtime_disable(&client->dev); ++ pm_runtime_set_suspended(&client->dev); ++ imx477_power_off(&client->dev); ++ ++ return ret; ++} ++ ++static int imx477_remove(struct i2c_client *client) ++{ ++ struct v4l2_subdev *sd = i2c_get_clientdata(client); ++ struct imx477 *imx477 = to_imx477(sd); ++ ++ v4l2_async_unregister_subdev(sd); ++ media_entity_cleanup(&sd->entity); ++ imx477_free_controls(imx477); ++ ++ pm_runtime_disable(&client->dev); ++ if (!pm_runtime_status_suspended(&client->dev)) ++ imx477_power_off(&client->dev); ++ pm_runtime_set_suspended(&client->dev); ++ ++ return 0; ++} ++ ++static const struct of_device_id imx477_dt_ids[] = { ++ { .compatible = "sony,imx477" }, ++ { /* sentinel */ } ++}; ++MODULE_DEVICE_TABLE(of, imx477_dt_ids); ++ ++static const struct dev_pm_ops imx477_pm_ops = { ++ SET_SYSTEM_SLEEP_PM_OPS(imx477_suspend, imx477_resume) ++ SET_RUNTIME_PM_OPS(imx477_power_off, imx477_power_on, NULL) ++}; ++ ++static struct i2c_driver imx477_i2c_driver = { ++ .driver = { ++ .name = "imx477", ++ .of_match_table = imx477_dt_ids, ++ .pm = &imx477_pm_ops, ++ }, ++ .probe_new = imx477_probe, ++ .remove = imx477_remove, ++}; ++ ++module_i2c_driver(imx477_i2c_driver); ++ ++MODULE_AUTHOR("Naushir Patuck <naush@raspberrypi.com>"); ++MODULE_DESCRIPTION("Sony IMX477 sensor driver"); ++MODULE_LICENSE("GPL v2"); |