diff options
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, 0 insertions, 2266 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 deleted file mode 100644 index f3e2052bfd..0000000000 --- a/target/linux/bcm27xx/patches-5.4/950-0714-media-i2c-Add-driver-for-Sony-IMX477-sensor.patch +++ /dev/null @@ -1,2266 +0,0 @@ -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"); |