--- /dev/null
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * A V4L2 driver for Arducam 64MP cameras.
+ * Copyright (C) 2021 Arducam Technology co., Ltd.
+ *
+ * Based on Sony IMX477 camera driver
+ * Copyright (C) 2020 Raspberry Pi (Trading) Ltd
+ */
+#include <asm/unaligned.h>
+#include <linux/clk.h>
+#include <linux/delay.h>
+#include <linux/gpio/consumer.h>
+#include <linux/i2c.h>
+#include <linux/module.h>
+#include <linux/of_device.h>
+#include <linux/pm_runtime.h>
+#include <linux/regulator/consumer.h>
+#include <media/v4l2-ctrls.h>
+#include <media/v4l2-device.h>
+#include <media/v4l2-event.h>
+#include <media/v4l2-fwnode.h>
+#include <media/v4l2-mediabus.h>
+
+#define ARDUCAM_64MP_REG_VALUE_08BIT 1
+#define ARDUCAM_64MP_REG_VALUE_16BIT 2
+
+/* Chip ID */
+#define ARDUCAM_64MP_REG_CHIP_ID 0x005E
+#define ARDUCAM_64MP_CHIP_ID 0x4136
+
+#define ARDUCAM_64MP_REG_MODE_SELECT 0x0100
+#define ARDUCAM_64MP_MODE_STANDBY 0x00
+#define ARDUCAM_64MP_MODE_STREAMING 0x01
+
+#define ARDUCAM_64MP_REG_ORIENTATION 0x101
+
+#define ARDUCAM_64MP_XCLK_FREQ 24000000
+
+#define ARDUCAM_64MP_DEFAULT_LINK_FREQ 456000000
+
+/* Pixel rate is fixed at 900MHz for all the modes */
+#define ARDUCAM_64MP_PIXEL_RATE 900000000
+
+/* V_TIMING internal */
+#define ARDUCAM_64MP_REG_FRAME_LENGTH 0x0340
+#define ARDUCAM_64MP_FRAME_LENGTH_MAX 0xffff
+
+/* Long exposure multiplier */
+#define ARDUCAM_64MP_LONG_EXP_SHIFT_MAX 7
+#define ARDUCAM_64MP_LONG_EXP_SHIFT_REG 0x3100
+
+/* Exposure control */
+#define ARDUCAM_64MP_REG_EXPOSURE 0x0202
+#define ARDUCAM_64MP_EXPOSURE_OFFSET 48
+#define ARDUCAM_64MP_EXPOSURE_MIN 9
+#define ARDUCAM_64MP_EXPOSURE_STEP 1
+#define ARDUCAM_64MP_EXPOSURE_DEFAULT 0x3e8
+#define ARDUCAM_64MP_EXPOSURE_MAX (ARDUCAM_64MP_FRAME_LENGTH_MAX - \
+ ARDUCAM_64MP_EXPOSURE_OFFSET)
+
+/* Analog gain control */
+#define ARDUCAM_64MP_REG_ANALOG_GAIN 0x0204
+#define ARDUCAM_64MP_ANA_GAIN_MIN 0
+#define ARDUCAM_64MP_ANA_GAIN_MAX 1008
+#define ARDUCAM_64MP_ANA_GAIN_STEP 1
+#define ARDUCAM_64MP_ANA_GAIN_DEFAULT 0x0
+
+/* Digital gain control */
+#define ARDUCAM_64MP_REG_DIGITAL_GAIN 0x020e
+#define ARDUCAM_64MP_DGTL_GAIN_MIN 0x0100
+#define ARDUCAM_64MP_DGTL_GAIN_MAX 0x0fff
+#define ARDUCAM_64MP_DGTL_GAIN_DEFAULT 0x0100
+#define ARDUCAM_64MP_DGTL_GAIN_STEP 1
+
+/* Test Pattern Control */
+#define ARDUCAM_64MP_REG_TEST_PATTERN 0x0600
+#define ARDUCAM_64MP_TEST_PATTERN_DISABLE 0
+#define ARDUCAM_64MP_TEST_PATTERN_SOLID_COLOR 1
+#define ARDUCAM_64MP_TEST_PATTERN_COLOR_BARS 2
+#define ARDUCAM_64MP_TEST_PATTERN_GREY_COLOR 3
+#define ARDUCAM_64MP_TEST_PATTERN_PN9 4
+
+/* Test pattern colour components */
+#define ARDUCAM_64MP_REG_TEST_PATTERN_R 0x0602
+#define ARDUCAM_64MP_REG_TEST_PATTERN_GR 0x0604
+#define ARDUCAM_64MP_REG_TEST_PATTERN_B 0x0606
+#define ARDUCAM_64MP_REG_TEST_PATTERN_GB 0x0608
+#define ARDUCAM_64MP_TEST_PATTERN_COLOUR_MIN 0
+#define ARDUCAM_64MP_TEST_PATTERN_COLOUR_MAX 0x0fff
+#define ARDUCAM_64MP_TEST_PATTERN_COLOUR_STEP 1
+#define ARDUCAM_64MP_TEST_PATTERN_R_DEFAULT \
+ ARDUCAM_64MP_TEST_PATTERN_COLOUR_MAX
+#define ARDUCAM_64MP_TEST_PATTERN_GR_DEFAULT 0
+#define ARDUCAM_64MP_TEST_PATTERN_B_DEFAULT 0
+#define ARDUCAM_64MP_TEST_PATTERN_GB_DEFAULT 0
+
+/* ARDUCAM_64MP native and active pixel array size. */
+#define ARDUCAM_64MP_NATIVE_WIDTH 9344U
+#define ARDUCAM_64MP_NATIVE_HEIGHT 7032U
+#define ARDUCAM_64MP_PIXEL_ARRAY_LEFT 48U
+#define ARDUCAM_64MP_PIXEL_ARRAY_TOP 40U
+#define ARDUCAM_64MP_PIXEL_ARRAY_WIDTH 9248U
+#define ARDUCAM_64MP_PIXEL_ARRAY_HEIGHT 6944U
+
+struct arducam_64mp_reg {
+ u16 address;
+ u8 val;
+};
+
+struct arducam_64mp_reg_list {
+ unsigned int num_of_regs;
+ const struct arducam_64mp_reg *regs;
+};
+
+/* Mode : resolution and related config&values */
+struct arducam_64mp_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;
+
+ /* Default framerate. */
+ struct v4l2_fract timeperframe_default;
+
+ /* Default register values */
+ struct arducam_64mp_reg_list reg_list;
+};
+
+static const struct arducam_64mp_reg mode_common_regs[] = {
+ {0x0136, 0x18},
+ {0x0137, 0x00},
+ {0x33F0, 0x01},
+ {0x33F1, 0x03},
+ {0x0111, 0x02},
+ {0x3062, 0x00},
+ {0x3063, 0x30},
+ {0x3076, 0x00},
+ {0x3077, 0x30},
+ {0x1f06, 0x06},
+ {0x1f07, 0x82},
+ {0x1f04, 0x71},
+ {0x1f05, 0x01},
+ {0x1f08, 0x01},
+ {0x5bfe, 0x14},
+ {0x5c0d, 0x2d},
+ {0x5c1c, 0x30},
+ {0x5c2b, 0x32},
+ {0x5c37, 0x2e},
+ {0x5c40, 0x30},
+ {0x5c50, 0x14},
+ {0x5c5f, 0x28},
+ {0x5c6e, 0x28},
+ {0x5c7d, 0x32},
+ {0x5c89, 0x37},
+ {0x5c92, 0x56},
+ {0x5bfc, 0x12},
+ {0x5c0b, 0x2a},
+ {0x5c1a, 0x2c},
+ {0x5c29, 0x2f},
+ {0x5c36, 0x2e},
+ {0x5c3f, 0x2e},
+ {0x5c4e, 0x06},
+ {0x5c5d, 0x1e},
+ {0x5c6c, 0x20},
+ {0x5c7b, 0x1e},
+ {0x5c88, 0x32},
+ {0x5c91, 0x32},
+ {0x5c02, 0x14},
+ {0x5c11, 0x2f},
+ {0x5c20, 0x32},
+ {0x5c2f, 0x34},
+ {0x5c39, 0x31},
+ {0x5c42, 0x31},
+ {0x5c8b, 0x28},
+ {0x5c94, 0x28},
+ {0x5c00, 0x10},
+ {0x5c0f, 0x2c},
+ {0x5c1e, 0x2e},
+ {0x5c2d, 0x32},
+ {0x5c38, 0x2e},
+ {0x5c41, 0x2b},
+ {0x5c61, 0x0a},
+ {0x5c70, 0x0a},
+ {0x5c7f, 0x0a},
+ {0x5c8a, 0x1e},
+ {0x5c93, 0x2a},
+ {0x5bfa, 0x2b},
+ {0x5c09, 0x2d},
+ {0x5c18, 0x2e},
+ {0x5c27, 0x30},
+ {0x5c5b, 0x28},
+ {0x5c6a, 0x22},
+ {0x5c79, 0x42},
+ {0x5bfb, 0x2c},
+ {0x5c0a, 0x2f},
+ {0x5c19, 0x2e},
+ {0x5c28, 0x2e},
+ {0x5c4d, 0x20},
+ {0x5c5c, 0x1e},
+ {0x5c6b, 0x32},
+ {0x5c7a, 0x32},
+ {0x5bfd, 0x30},
+ {0x5c0c, 0x32},
+ {0x5c1b, 0x2e},
+ {0x5c2a, 0x30},
+ {0x5c4f, 0x28},
+ {0x5c5e, 0x32},
+ {0x5c6d, 0x37},
+ {0x5c7c, 0x56},
+ {0x5bff, 0x2e},
+ {0x5c0e, 0x32},
+ {0x5c1d, 0x2e},
+ {0x5c2c, 0x2b},
+ {0x5c51, 0x0a},
+ {0x5c60, 0x0a},
+ {0x5c6f, 0x1e},
+ {0x5c7e, 0x2a},
+ {0x5c01, 0x32},
+ {0x5c10, 0x34},
+ {0x5c1f, 0x31},
+ {0x5c2e, 0x31},
+ {0x5c71, 0x28},
+ {0x5c80, 0x28},
+ {0x5c4c, 0x2a},
+ {0x33f2, 0x01},
+ {0x1f04, 0x73},
+ {0x1f05, 0x01},
+ {0x5bfa, 0x35},
+ {0x5c09, 0x38},
+ {0x5c18, 0x3a},
+ {0x5c27, 0x38},
+ {0x5c5b, 0x25},
+ {0x5c6a, 0x24},
+ {0x5c79, 0x47},
+ {0x5bfc, 0x15},
+ {0x5c0b, 0x2e},
+ {0x5c1a, 0x36},
+ {0x5c29, 0x38},
+ {0x5c36, 0x36},
+ {0x5c3f, 0x36},
+ {0x5c4e, 0x0b},
+ {0x5c5d, 0x20},
+ {0x5c6c, 0x2a},
+ {0x5c7b, 0x25},
+ {0x5c88, 0x25},
+ {0x5c91, 0x22},
+ {0x5bfe, 0x15},
+ {0x5c0d, 0x32},
+ {0x5c1c, 0x36},
+ {0x5c2b, 0x36},
+ {0x5c37, 0x3a},
+ {0x5c40, 0x39},
+ {0x5c50, 0x06},
+ {0x5c5f, 0x22},
+ {0x5c6e, 0x23},
+ {0x5c7d, 0x2e},
+ {0x5c89, 0x44},
+ {0x5c92, 0x51},
+ {0x5d7f, 0x0a},
+ {0x5c00, 0x17},
+ {0x5c0f, 0x36},
+ {0x5c1e, 0x38},
+ {0x5c2d, 0x3c},
+ {0x5c38, 0x38},
+ {0x5c41, 0x36},
+ {0x5c52, 0x0a},
+ {0x5c61, 0x21},
+ {0x5c70, 0x23},
+ {0x5c7f, 0x1b},
+ {0x5c8a, 0x22},
+ {0x5c93, 0x20},
+ {0x5c02, 0x1a},
+ {0x5c11, 0x3e},
+ {0x5c20, 0x3f},
+ {0x5c2f, 0x3d},
+ {0x5c39, 0x3e},
+ {0x5c42, 0x3c},
+ {0x5c54, 0x02},
+ {0x5c63, 0x12},
+ {0x5c72, 0x14},
+ {0x5c81, 0x24},
+ {0x5c8b, 0x1c},
+ {0x5c94, 0x4e},
+ {0x5d8a, 0x09},
+ {0x5bfb, 0x36},
+ {0x5c0a, 0x38},
+ {0x5c19, 0x36},
+ {0x5c28, 0x36},
+ {0x5c4d, 0x2a},
+ {0x5c5c, 0x25},
+ {0x5c6b, 0x25},
+ {0x5c7a, 0x22},
+ {0x5bfd, 0x36},
+ {0x5c0c, 0x36},
+ {0x5c1b, 0x3a},
+ {0x5c2a, 0x39},
+ {0x5c4f, 0x23},
+ {0x5c5e, 0x2e},
+ {0x5c6d, 0x44},
+ {0x5c7c, 0x51},
+ {0x5d63, 0x0a},
+ {0x5bff, 0x38},
+ {0x5c0e, 0x3c},
+ {0x5c1d, 0x38},
+ {0x5c2c, 0x36},
+ {0x5c51, 0x23},
+ {0x5c60, 0x1b},
+ {0x5c6f, 0x22},
+ {0x5c7e, 0x20},
+ {0x5c01, 0x3f},
+ {0x5c10, 0x3d},
+ {0x5c1f, 0x3e},
+ {0x5c2e, 0x3c},
+ {0x5c53, 0x14},
+ {0x5c62, 0x24},
+ {0x5c71, 0x1c},
+ {0x5c80, 0x4e},
+ {0x5d76, 0x09},
+ {0x5c4c, 0x2a},
+ {0x33f2, 0x02},
+ {0x1f04, 0x78},
+ {0x1f05, 0x01},
+ {0x5bfa, 0x37},
+ {0x5c09, 0x36},
+ {0x5c18, 0x39},
+ {0x5c27, 0x38},
+ {0x5c5b, 0x27},
+ {0x5c6a, 0x2b},
+ {0x5c79, 0x48},
+ {0x5bfc, 0x16},
+ {0x5c0b, 0x32},
+ {0x5c1a, 0x33},
+ {0x5c29, 0x37},
+ {0x5c36, 0x36},
+ {0x5c3f, 0x35},
+ {0x5c4e, 0x0d},
+ {0x5c5d, 0x2d},
+ {0x5c6c, 0x23},
+ {0x5c7b, 0x25},
+ {0x5c88, 0x31},
+ {0x5c91, 0x2e},
+ {0x5bfe, 0x15},
+ {0x5c0d, 0x31},
+ {0x5c1c, 0x35},
+ {0x5c2b, 0x36},
+ {0x5c37, 0x35},
+ {0x5c40, 0x37},
+ {0x5c50, 0x0f},
+ {0x5c5f, 0x31},
+ {0x5c6e, 0x30},
+ {0x5c7d, 0x33},
+ {0x5c89, 0x36},
+ {0x5c92, 0x5b},
+ {0x5c00, 0x13},
+ {0x5c0f, 0x2f},
+ {0x5c1e, 0x2e},
+ {0x5c2d, 0x34},
+ {0x5c38, 0x33},
+ {0x5c41, 0x32},
+ {0x5c52, 0x0d},
+ {0x5c61, 0x27},
+ {0x5c70, 0x28},
+ {0x5c7f, 0x1f},
+ {0x5c8a, 0x25},
+ {0x5c93, 0x2c},
+ {0x5c02, 0x15},
+ {0x5c11, 0x36},
+ {0x5c20, 0x39},
+ {0x5c2f, 0x3a},
+ {0x5c39, 0x37},
+ {0x5c42, 0x37},
+ {0x5c54, 0x04},
+ {0x5c63, 0x1c},
+ {0x5c72, 0x1c},
+ {0x5c81, 0x1c},
+ {0x5c8b, 0x28},
+ {0x5c94, 0x24},
+ {0x5bfb, 0x33},
+ {0x5c0a, 0x37},
+ {0x5c19, 0x36},
+ {0x5c28, 0x35},
+ {0x5c4d, 0x23},
+ {0x5c5c, 0x25},
+ {0x5c6b, 0x31},
+ {0x5c7a, 0x2e},
+ {0x5bfd, 0x35},
+ {0x5c0c, 0x36},
+ {0x5c1b, 0x35},
+ {0x5c2a, 0x37},
+ {0x5c4f, 0x30},
+ {0x5c5e, 0x33},
+ {0x5c6d, 0x36},
+ {0x5c7c, 0x5b},
+ {0x5bff, 0x2e},
+ {0x5c0e, 0x34},
+ {0x5c1d, 0x33},
+ {0x5c2c, 0x32},
+ {0x5c51, 0x28},
+ {0x5c60, 0x1f},
+ {0x5c6f, 0x25},
+ {0x5c7e, 0x2c},
+ {0x5c01, 0x39},
+ {0x5c10, 0x3a},
+ {0x5c1f, 0x37},
+ {0x5c2e, 0x37},
+ {0x5c53, 0x1c},
+ {0x5c62, 0x1c},
+ {0x5c71, 0x28},
+ {0x5c80, 0x24},
+ {0x5c4c, 0x2c},
+ {0x33f2, 0x03},
+ {0x1f08, 0x00},
+ {0x32c8, 0x00},
+ {0x4017, 0x40},
+ {0x40a2, 0x01},
+ {0x40ac, 0x01},
+ {0x4328, 0x00},
+ {0x4329, 0xb3},
+ {0x4e15, 0x10},
+ {0x4e19, 0x2f},
+ {0x4e21, 0x0f},
+ {0x4e2f, 0x10},
+ {0x4e3d, 0x10},
+ {0x4e41, 0x2f},
+ {0x4e57, 0x29},
+ {0x4ffb, 0x2f},
+ {0x5011, 0x24},
+ {0x501d, 0x03},
+ {0x505f, 0x41},
+ {0x5060, 0xdf},
+ {0x5065, 0xdf},
+ {0x5066, 0x37},
+ {0x506e, 0x57},
+ {0x5070, 0xc5},
+ {0x5072, 0x57},
+ {0x5075, 0x53},
+ {0x5076, 0x55},
+ {0x5077, 0xc1},
+ {0x5078, 0xc3},
+ {0x5079, 0x53},
+ {0x507a, 0x55},
+ {0x507d, 0x57},
+ {0x507e, 0xdf},
+ {0x507f, 0xc5},
+ {0x5081, 0x57},
+ {0x53c8, 0x01},
+ {0x53c9, 0xe2},
+ {0x53ca, 0x03},
+ {0x5422, 0x7a},
+ {0x548e, 0x40},
+ {0x5497, 0x5e},
+ {0x54a1, 0x40},
+ {0x54a9, 0x40},
+ {0x54b2, 0x5e},
+ {0x54bc, 0x40},
+ {0x57c6, 0x00},
+ {0x583d, 0x0e},
+ {0x583e, 0x0e},
+ {0x583f, 0x0e},
+ {0x5840, 0x0e},
+ {0x5841, 0x0e},
+ {0x5842, 0x0e},
+ {0x5900, 0x12},
+ {0x5901, 0x12},
+ {0x5902, 0x14},
+ {0x5903, 0x12},
+ {0x5904, 0x14},
+ {0x5905, 0x12},
+ {0x5906, 0x14},
+ {0x5907, 0x12},
+ {0x590f, 0x12},
+ {0x5911, 0x12},
+ {0x5913, 0x12},
+ {0x591c, 0x12},
+ {0x591e, 0x12},
+ {0x5920, 0x12},
+ {0x5948, 0x08},
+ {0x5949, 0x08},
+ {0x594a, 0x08},
+ {0x594b, 0x08},
+ {0x594c, 0x08},
+ {0x594d, 0x08},
+ {0x594e, 0x08},
+ {0x594f, 0x08},
+ {0x595c, 0x08},
+ {0x595e, 0x08},
+ {0x5960, 0x08},
+ {0x596e, 0x08},
+ {0x5970, 0x08},
+ {0x5972, 0x08},
+ {0x597e, 0x0f},
+ {0x597f, 0x0f},
+ {0x599a, 0x0f},
+ {0x59de, 0x08},
+ {0x59df, 0x08},
+ {0x59fa, 0x08},
+ {0x5a59, 0x22},
+ {0x5a5b, 0x22},
+ {0x5a5d, 0x1a},
+ {0x5a5f, 0x22},
+ {0x5a61, 0x1a},
+ {0x5a63, 0x22},
+ {0x5a65, 0x1a},
+ {0x5a67, 0x22},
+ {0x5a77, 0x22},
+ {0x5a7b, 0x22},
+ {0x5a7f, 0x22},
+ {0x5a91, 0x22},
+ {0x5a95, 0x22},
+ {0x5a99, 0x22},
+ {0x5ae9, 0x66},
+ {0x5aeb, 0x66},
+ {0x5aed, 0x5e},
+ {0x5aef, 0x66},
+ {0x5af1, 0x5e},
+ {0x5af3, 0x66},
+ {0x5af5, 0x5e},
+ {0x5af7, 0x66},
+ {0x5b07, 0x66},
+ {0x5b0b, 0x66},
+ {0x5b0f, 0x66},
+ {0x5b21, 0x66},
+ {0x5b25, 0x66},
+ {0x5b29, 0x66},
+ {0x5b79, 0x46},
+ {0x5b7b, 0x3e},
+ {0x5b7d, 0x3e},
+ {0x5b89, 0x46},
+ {0x5b8b, 0x46},
+ {0x5b97, 0x46},
+ {0x5b99, 0x46},
+ {0x5c9e, 0x0a},
+ {0x5c9f, 0x08},
+ {0x5ca0, 0x0a},
+ {0x5ca1, 0x0a},
+ {0x5ca2, 0x0b},
+ {0x5ca3, 0x06},
+ {0x5ca4, 0x04},
+ {0x5ca5, 0x06},
+ {0x5ca6, 0x04},
+ {0x5cad, 0x0b},
+ {0x5cae, 0x0a},
+ {0x5caf, 0x0c},
+ {0x5cb0, 0x0a},
+ {0x5cb1, 0x0b},
+ {0x5cb2, 0x08},
+ {0x5cb3, 0x06},
+ {0x5cb4, 0x08},
+ {0x5cb5, 0x04},
+ {0x5cbc, 0x0b},
+ {0x5cbd, 0x09},
+ {0x5cbe, 0x08},
+ {0x5cbf, 0x09},
+ {0x5cc0, 0x0a},
+ {0x5cc1, 0x08},
+ {0x5cc2, 0x06},
+ {0x5cc3, 0x08},
+ {0x5cc4, 0x06},
+ {0x5ccb, 0x0a},
+ {0x5ccc, 0x09},
+ {0x5ccd, 0x0a},
+ {0x5cce, 0x08},
+ {0x5ccf, 0x0a},
+ {0x5cd0, 0x08},
+ {0x5cd1, 0x08},
+ {0x5cd2, 0x08},
+ {0x5cd3, 0x08},
+ {0x5cda, 0x09},
+ {0x5cdb, 0x09},
+ {0x5cdc, 0x08},
+ {0x5cdd, 0x08},
+ {0x5ce3, 0x09},
+ {0x5ce4, 0x08},
+ {0x5ce5, 0x08},
+ {0x5ce6, 0x08},
+ {0x5cf4, 0x04},
+ {0x5d04, 0x04},
+ {0x5d13, 0x06},
+ {0x5d22, 0x06},
+ {0x5d23, 0x04},
+ {0x5d2e, 0x06},
+ {0x5d37, 0x06},
+ {0x5d6f, 0x09},
+ {0x5d72, 0x0f},
+ {0x5d88, 0x0f},
+ {0x5de6, 0x01},
+ {0x5de7, 0x01},
+ {0x5de8, 0x01},
+ {0x5de9, 0x01},
+ {0x5dea, 0x01},
+ {0x5deb, 0x01},
+ {0x5dec, 0x01},
+ {0x5df2, 0x01},
+ {0x5df3, 0x01},
+ {0x5df4, 0x01},
+ {0x5df5, 0x01},
+ {0x5df6, 0x01},
+ {0x5df7, 0x01},
+ {0x5df8, 0x01},
+ {0x5dfe, 0x01},
+ {0x5dff, 0x01},
+ {0x5e00, 0x01},
+ {0x5e01, 0x01},
+ {0x5e02, 0x01},
+ {0x5e03, 0x01},
+ {0x5e04, 0x01},
+ {0x5e0a, 0x01},
+ {0x5e0b, 0x01},
+ {0x5e0c, 0x01},
+ {0x5e0d, 0x01},
+ {0x5e0e, 0x01},
+ {0x5e0f, 0x01},
+ {0x5e10, 0x01},
+ {0x5e16, 0x01},
+ {0x5e17, 0x01},
+ {0x5e18, 0x01},
+ {0x5e1e, 0x01},
+ {0x5e1f, 0x01},
+ {0x5e20, 0x01},
+ {0x5e6e, 0x5a},
+ {0x5e6f, 0x46},
+ {0x5e70, 0x46},
+ {0x5e71, 0x3c},
+ {0x5e72, 0x3c},
+ {0x5e73, 0x28},
+ {0x5e74, 0x28},
+ {0x5e75, 0x6e},
+ {0x5e76, 0x6e},
+ {0x5e81, 0x46},
+ {0x5e83, 0x3c},
+ {0x5e85, 0x28},
+ {0x5e87, 0x6e},
+ {0x5e92, 0x46},
+ {0x5e94, 0x3c},
+ {0x5e96, 0x28},
+ {0x5e98, 0x6e},
+ {0x5ecb, 0x26},
+ {0x5ecc, 0x26},
+ {0x5ecd, 0x26},
+ {0x5ece, 0x26},
+ {0x5ed2, 0x26},
+ {0x5ed3, 0x26},
+ {0x5ed4, 0x26},
+ {0x5ed5, 0x26},
+ {0x5ed9, 0x26},
+ {0x5eda, 0x26},
+ {0x5ee5, 0x08},
+ {0x5ee6, 0x08},
+ {0x5ee7, 0x08},
+ {0x6006, 0x14},
+ {0x6007, 0x14},
+ {0x6008, 0x14},
+ {0x6009, 0x14},
+ {0x600a, 0x14},
+ {0x600b, 0x14},
+ {0x600c, 0x14},
+ {0x600d, 0x22},
+ {0x600e, 0x22},
+ {0x600f, 0x14},
+ {0x601a, 0x14},
+ {0x601b, 0x14},
+ {0x601c, 0x14},
+ {0x601d, 0x14},
+ {0x601e, 0x14},
+ {0x601f, 0x14},
+ {0x6020, 0x14},
+ {0x6021, 0x22},
+ {0x6022, 0x22},
+ {0x6023, 0x14},
+ {0x602e, 0x14},
+ {0x602f, 0x14},
+ {0x6030, 0x14},
+ {0x6031, 0x22},
+ {0x6039, 0x14},
+ {0x603a, 0x14},
+ {0x603b, 0x14},
+ {0x603c, 0x22},
+ {0x6132, 0x0f},
+ {0x6133, 0x0f},
+ {0x6134, 0x0f},
+ {0x6135, 0x0f},
+ {0x6136, 0x0f},
+ {0x6137, 0x0f},
+ {0x6138, 0x0f},
+ {0x613e, 0x0f},
+ {0x613f, 0x0f},
+ {0x6140, 0x0f},
+ {0x6141, 0x0f},
+ {0x6142, 0x0f},
+ {0x6143, 0x0f},
+ {0x6144, 0x0f},
+ {0x614a, 0x0f},
+ {0x614b, 0x0f},
+ {0x614c, 0x0f},
+ {0x614d, 0x0f},
+ {0x614e, 0x0f},
+ {0x614f, 0x0f},
+ {0x6150, 0x0f},
+ {0x6156, 0x0f},
+ {0x6157, 0x0f},
+ {0x6158, 0x0f},
+ {0x6159, 0x0f},
+ {0x615a, 0x0f},
+ {0x615b, 0x0f},
+ {0x615c, 0x0f},
+ {0x6162, 0x0f},
+ {0x6163, 0x0f},
+ {0x6164, 0x0f},
+ {0x616a, 0x0f},
+ {0x616b, 0x0f},
+ {0x616c, 0x0f},
+ {0x6226, 0x00},
+ {0x84f8, 0x01},
+ {0x8501, 0x00},
+ {0x8502, 0x01},
+ {0x8505, 0x00},
+ {0x8744, 0x00},
+ {0x883c, 0x01},
+ {0x8845, 0x00},
+ {0x8846, 0x01},
+ {0x8849, 0x00},
+ {0x9004, 0x1f},
+ {0x9064, 0x4d},
+ {0x9065, 0x3d},
+ {0x922e, 0x91},
+ {0x922f, 0x2a},
+ {0x9230, 0xe2},
+ {0x9231, 0xc0},
+ {0x9232, 0xe2},
+ {0x9233, 0xc1},
+ {0x9234, 0xe2},
+ {0x9235, 0xc2},
+ {0x9236, 0xe2},
+ {0x9237, 0xc3},
+ {0x9238, 0xe2},
+ {0x9239, 0xd4},
+ {0x923a, 0xe2},
+ {0x923b, 0xd5},
+ {0x923c, 0x90},
+ {0x923d, 0x64},
+ {0xb0b9, 0x10},
+ {0xbc76, 0x00},
+ {0xbc77, 0x00},
+ {0xbc78, 0x00},
+ {0xbc79, 0x00},
+ {0xbc7b, 0x28},
+ {0xbc7c, 0x00},
+ {0xbc7d, 0x00},
+ {0xbc7f, 0xc0},
+ {0xc6b9, 0x01},
+ {0xecb5, 0x04},
+ {0xecbf, 0x04},
+ {0x0112, 0x0a},
+ {0x0113, 0x0a},
+ {0x0114, 0x01},
+ {0x0301, 0x08},
+ {0x0303, 0x02},
+ {0x0305, 0x04},
+ {0x0306, 0x01},
+ {0x0307, 0x2c},
+ {0x030b, 0x02},
+ {0x030d, 0x04},
+ {0x030e, 0x01},
+ {0x030f, 0x30},
+ {0x0310, 0x01},
+ {0x4018, 0x00},
+ {0x4019, 0x00},
+ {0x401a, 0x00},
+ {0x401b, 0x00},
+ {0x3400, 0x01},
+ {0x3092, 0x01},
+ {0x3093, 0x00},
+ {0x0350, 0x00},
+};
+
+/* 64 mpix 2.7fps */
+static const struct arducam_64mp_reg mode_9152x6944_regs[] = {
+ {0x0342, 0xb6},
+ {0x0343, 0xb2},
+ {0x0340, 0x1b},
+ {0x0341, 0x76},
+ {0x0344, 0x00},
+ {0x0345, 0x00},
+ {0x0346, 0x00},
+ {0x0347, 0x00},
+ {0x0348, 0x24},
+ {0x0349, 0x1f},
+ {0x034a, 0x1b},
+ {0x034b, 0x1f},
+ {0x0900, 0x00},
+ {0x0901, 0x11},
+ {0x0902, 0x0a},
+ {0x30d8, 0x00},
+ {0x3200, 0x01},
+ {0x3201, 0x01},
+ {0x0408, 0x00},
+ {0x0409, 0x00},
+ {0x040a, 0x00},
+ {0x040b, 0x00},
+ {0x040c, 0x23},
+ {0x040d, 0xc0},
+ {0x040e, 0x1b},
+ {0x040f, 0x20},
+ {0x034c, 0x23},
+ {0x034d, 0xc0},
+ {0x034e, 0x1b},
+ {0x034f, 0x20},
+ {0x30d9, 0x01},
+ {0x32d5, 0x01},
+ {0x32d6, 0x00},
+ {0x401e, 0x00},
+ {0x40b8, 0x04},
+ {0x40b9, 0x20},
+ {0x40bc, 0x02},
+ {0x40bd, 0x58},
+ {0x40be, 0x02},
+ {0x40bf, 0x58},
+ {0x41a4, 0x00},
+ {0x5a09, 0x01},
+ {0x5a17, 0x01},
+ {0x5a25, 0x01},
+ {0x5a33, 0x01},
+ {0x98d7, 0x14},
+ {0x98d8, 0x14},
+ {0x98d9, 0x00},
+ {0x99c4, 0x00},
+ {0x0202, 0x03},
+ {0x0203, 0xe8},
+ {0x0204, 0x00},
+ {0x0205, 0x00},
+ {0x020e, 0x01},
+ {0x020f, 0x00},
+};
+
+/* 16 mpix 10fps */
+static const struct arducam_64mp_reg mode_4624x3472_regs[] = {
+ {0x0342, 0x63},
+ {0x0343, 0x97},
+ {0x0340, 0x0d},
+ {0x0341, 0xca},
+ {0x0344, 0x00},
+ {0x0345, 0x00},
+ {0x0346, 0x00},
+ {0x0347, 0x00},
+ {0x0348, 0x24},
+ {0x0349, 0x1f},
+ {0x034a, 0x1b},
+ {0x034b, 0x1f},
+ {0x0900, 0x01},
+ {0x0901, 0x22},
+ {0x0902, 0x08},
+ {0x30d8, 0x04},
+ {0x3200, 0x41},
+ {0x3201, 0x41},
+ {0x0408, 0x00},
+ {0x0409, 0x00},
+ {0x040a, 0x00},
+ {0x040b, 0x00},
+ {0x040c, 0x12},
+ {0x040d, 0x10},
+ {0x040e, 0x0d},
+ {0x040f, 0x90},
+ {0x034c, 0x12},
+ {0x034d, 0x10},
+ {0x034e, 0x0d},
+ {0x034f, 0x90},
+ {0x30d9, 0x00},
+ {0x32d5, 0x00},
+ {0x32d6, 0x00},
+ {0x401e, 0x00},
+ {0x40b8, 0x01},
+ {0x40b9, 0x2c},
+ {0x40bc, 0x01},
+ {0x40bd, 0x18},
+ {0x40be, 0x00},
+ {0x40bf, 0x00},
+ {0x41a4, 0x00},
+ {0x5a09, 0x01},
+ {0x5a17, 0x01},
+ {0x5a25, 0x01},
+ {0x5a33, 0x01},
+ {0x98d7, 0xb4},
+ {0x98d8, 0x8c},
+ {0x98d9, 0x0a},
+ {0x99c4, 0x16},
+};
+
+/* 4k 20fps mode */
+static const struct arducam_64mp_reg mode_3840x2160_regs[] = {
+ {0x0342, 0x4e},
+ {0x0343, 0xb7},
+ {0x0340, 0x08},
+ {0x0341, 0xb9},
+ {0x0344, 0x03},
+ {0x0345, 0x10},
+ {0x0346, 0x05},
+ {0x0347, 0x20},
+ {0x0348, 0x21},
+ {0x0349, 0x0f},
+ {0x034a, 0x15},
+ {0x034b, 0xff},
+ {0x0900, 0x01},
+ {0x0901, 0x22},
+ {0x0902, 0x08},
+ {0x30d8, 0x04},
+ {0x3200, 0x41},
+ {0x3201, 0x41},
+ {0x0408, 0x00},
+ {0x0409, 0x00},
+ {0x040a, 0x00},
+ {0x040b, 0x00},
+ {0x040c, 0x0f},
+ {0x040d, 0x00},
+ {0x040e, 0x08},
+ {0x040f, 0x70},
+ {0x034c, 0x0f},
+ {0x034d, 0x00},
+ {0x034e, 0x08},
+ {0x034f, 0x70},
+ {0x30d9, 0x00},
+ {0x32d5, 0x00},
+ {0x32d6, 0x00},
+ {0x401e, 0x00},
+ {0x40b8, 0x01},
+ {0x40b9, 0x2c},
+ {0x40bc, 0x01},
+ {0x40bd, 0x18},
+ {0x40be, 0x00},
+ {0x40bf, 0x00},
+ {0x41a4, 0x00},
+ {0x5a09, 0x01},
+ {0x5a17, 0x01},
+ {0x5a25, 0x01},
+ {0x5a33, 0x01},
+ {0x98d7, 0xb4},
+ {0x98d8, 0x8c},
+ {0x98d9, 0x0a},
+ {0x99c4, 0x16},
+};
+
+/* 4x4 binned 30fps mode */
+static const struct arducam_64mp_reg mode_2312x1736_regs[] = {
+ {0x0342, 0x33},
+ {0x0343, 0x60},
+ {0x0340, 0x08},
+ {0x0341, 0xe9},
+ {0x0344, 0x00},
+ {0x0345, 0x00},
+ {0x0346, 0x00},
+ {0x0347, 0x00},
+ {0x0348, 0x24},
+ {0x0349, 0x1f},
+ {0x034a, 0x1b},
+ {0x034b, 0x1f},
+ {0x0900, 0x01},
+ {0x0901, 0x44},
+ {0x0902, 0x08},
+ {0x30d8, 0x00},
+ {0x3200, 0x43},
+ {0x3201, 0x43},
+ {0x0408, 0x00},
+ {0x0409, 0x00},
+ {0x040a, 0x00},
+ {0x040b, 0x00},
+ {0x040c, 0x09},
+ {0x040d, 0x08},
+ {0x040e, 0x06},
+ {0x040f, 0xc8},
+ {0x034c, 0x09},
+ {0x034d, 0x08},
+ {0x034e, 0x06},
+ {0x034f, 0xc8},
+ {0x30d9, 0x01},
+ {0x32d5, 0x00},
+ {0x32d6, 0x00},
+ {0x401e, 0x00},
+ {0x40b8, 0x01},
+ {0x40b9, 0x2c},
+ {0x40bc, 0x01},
+ {0x40bd, 0x18},
+ {0x40be, 0x00},
+ {0x40bf, 0x00},
+ {0x41a4, 0x00},
+ {0x5a09, 0x01},
+ {0x5a17, 0x01},
+ {0x5a25, 0x01},
+ {0x5a33, 0x01},
+ {0x98d7, 0xb4},
+ {0x98d8, 0x8c},
+ {0x98d9, 0x0a},
+ {0x99c4, 0x16},
+};
+
+/* 1080p 60fps mode */
+static const struct arducam_64mp_reg mode_1920x1080_regs[] = {
+ {0x0342, 0x29},
+ {0x0343, 0xe3},
+ {0x0340, 0x05},
+ {0x0341, 0x76},
+ {0x0344, 0x03},
+ {0x0345, 0x10},
+ {0x0346, 0x05},
+ {0x0347, 0x20},
+ {0x0348, 0x21},
+ {0x0349, 0x0f},
+ {0x034a, 0x16},
+ {0x034b, 0x0f},
+ {0x0900, 0x01},
+ {0x0901, 0x44},
+ {0x0902, 0x08},
+ {0x30d8, 0x04},
+ {0x3200, 0x43},
+ {0x3201, 0x43},
+ {0x0408, 0x00},
+ {0x0409, 0x00},
+ {0x040a, 0x00},
+ {0x040b, 0x00},
+ {0x040c, 0x07},
+ {0x040d, 0x80},
+ {0x040e, 0x04},
+ {0x040f, 0x38},
+ {0x034c, 0x07},
+ {0x034d, 0x80},
+ {0x034e, 0x04},
+ {0x034f, 0x38},
+ {0x30d9, 0x00},
+ {0x32d5, 0x00},
+ {0x32d6, 0x00},
+ {0x401e, 0x00},
+ {0x40b8, 0x01},
+ {0x40b9, 0x2c},
+ {0x40bc, 0x01},
+ {0x40bd, 0x18},
+ {0x40be, 0x00},
+ {0x40bf, 0x00},
+ {0x41a4, 0x00},
+ {0x5a09, 0x01},
+ {0x5a17, 0x01},
+ {0x5a25, 0x01},
+ {0x5a33, 0x01},
+ {0x98d7, 0xb4},
+ {0x98d8, 0x8c},
+ {0x98d9, 0x0a},
+ {0x99c4, 0x16},
+};
+
+/* 720p 120fps mode */
+static const struct arducam_64mp_reg mode_1280x720_regs[] = {
+ {0x0342, 0x1d},
+ {0x0343, 0xc4},
+ {0x0340, 0x03},
+ {0x0341, 0xd8},
+ {0x0344, 0x08},
+ {0x0345, 0x10},
+ {0x0346, 0x07},
+ {0x0347, 0xf0},
+ {0x0348, 0x1c},
+ {0x0349, 0x0f},
+ {0x034a, 0x13},
+ {0x034b, 0x3f},
+ {0x0900, 0x01},
+ {0x0901, 0x44},
+ {0x0902, 0x08},
+ {0x30d8, 0x04},
+ {0x3200, 0x43},
+ {0x3201, 0x43},
+ {0x0408, 0x00},
+ {0x0409, 0x00},
+ {0x040a, 0x00},
+ {0x040b, 0x00},
+ {0x040c, 0x05},
+ {0x040d, 0x00},
+ {0x040e, 0x02},
+ {0x040f, 0xd0},
+ {0x034c, 0x05},
+ {0x034d, 0x00},
+ {0x034e, 0x02},
+ {0x034f, 0xd0},
+ {0x30d9, 0x00},
+ {0x32d5, 0x00},
+ {0x32d6, 0x00},
+ {0x401e, 0x00},
+ {0x40b8, 0x01},
+ {0x40b9, 0x2c},
+ {0x40bc, 0x01},
+ {0x40bd, 0x18},
+ {0x40be, 0x00},
+ {0x40bf, 0x00},
+ {0x41a4, 0x00},
+ {0x5a09, 0x01},
+ {0x5a17, 0x01},
+ {0x5a25, 0x01},
+ {0x5a33, 0x01},
+ {0x98d7, 0xb4},
+ {0x98d8, 0x8c},
+ {0x98d9, 0x0a},
+ {0x99c4, 0x16},
+};
+
+/* Mode configs */
+static const struct arducam_64mp_mode supported_modes[] = {
+ {
+ .width = 9152,
+ .height = 6944,
+ .line_length_pix = 0xb6b2,
+ .crop = {
+ .left = ARDUCAM_64MP_PIXEL_ARRAY_LEFT,
+ .top = ARDUCAM_64MP_PIXEL_ARRAY_TOP,
+ .width = 9248,
+ .height = 6944,
+ },
+ .timeperframe_default = {
+ .numerator = 100,
+ .denominator = 270
+ },
+ .reg_list = {
+ .num_of_regs = ARRAY_SIZE(mode_9152x6944_regs),
+ .regs = mode_9152x6944_regs,
+ }
+ }, {
+ .width = 4624,
+ .height = 3472,
+ .line_length_pix = 0x6397,
+ .crop = {
+ .left = ARDUCAM_64MP_PIXEL_ARRAY_LEFT,
+ .top = ARDUCAM_64MP_PIXEL_ARRAY_TOP,
+ .width = 9248,
+ .height = 6944,
+ },
+ .timeperframe_default = {
+ .numerator = 100,
+ .denominator = 1000
+ },
+ .reg_list = {
+ .num_of_regs = ARRAY_SIZE(mode_4624x3472_regs),
+ .regs = mode_4624x3472_regs,
+ }
+ }, {
+ .width = 3840,
+ .height = 2160,
+ .line_length_pix = 0x4eb7,
+ .crop = {
+ .left = ARDUCAM_64MP_PIXEL_ARRAY_LEFT + 784,
+ .top = ARDUCAM_64MP_PIXEL_ARRAY_TOP + 1312,
+ .width = 7680,
+ .height = 4320,
+ },
+ .timeperframe_default = {
+ .numerator = 100,
+ .denominator = 2000
+ },
+ .reg_list = {
+ .num_of_regs = ARRAY_SIZE(mode_3840x2160_regs),
+ .regs = mode_3840x2160_regs,
+ }
+ }, {
+ .width = 2312,
+ .height = 1736,
+ .line_length_pix = 0x3360,
+ .crop = {
+ .left = ARDUCAM_64MP_PIXEL_ARRAY_LEFT,
+ .top = ARDUCAM_64MP_PIXEL_ARRAY_TOP,
+ .width = 9248,
+ .height = 6944,
+ },
+ .timeperframe_default = {
+ .numerator = 100,
+ .denominator = 3000
+ },
+ .reg_list = {
+ .num_of_regs = ARRAY_SIZE(mode_2312x1736_regs),
+ .regs = mode_2312x1736_regs,
+ }
+ }, {
+ .width = 1920,
+ .height = 1080,
+ .line_length_pix = 0x29e3,
+ .crop = {
+ .left = ARDUCAM_64MP_PIXEL_ARRAY_LEFT + 784,
+ .top = ARDUCAM_64MP_PIXEL_ARRAY_TOP + 1312,
+ .width = 7680,
+ .height = 4320,
+ },
+ .timeperframe_default = {
+ .numerator = 100,
+ .denominator = 6000
+ },
+ .reg_list = {
+ .num_of_regs = ARRAY_SIZE(mode_1920x1080_regs),
+ .regs = mode_1920x1080_regs,
+ }
+ }, {
+ .width = 1280,
+ .height = 720,
+ .line_length_pix = 0x1dc4,
+ .crop = {
+ .left = ARDUCAM_64MP_PIXEL_ARRAY_LEFT + 2064,
+ .top = ARDUCAM_64MP_PIXEL_ARRAY_TOP + 2032,
+ .width = 5120,
+ .height = 2880,
+ },
+ .timeperframe_default = {
+ .numerator = 100,
+ .denominator = 12000
+ },
+ .reg_list = {
+ .num_of_regs = ARRAY_SIZE(mode_1280x720_regs),
+ .regs = mode_1280x720_regs,
+ }
+ },
+};
+
+/*
+ * The supported formats.
+ * This table MUST contain 4 entries per format, to cover the various flip
+ * combinations in the order
+ * - no flip
+ * - h flip
+ * - v flip
+ * - h&v flips
+ */
+static const u32 codes[] = {
+ /* 10-bit modes. */
+ MEDIA_BUS_FMT_SRGGB10_1X10,
+ MEDIA_BUS_FMT_SGRBG10_1X10,
+ MEDIA_BUS_FMT_SGBRG10_1X10,
+ MEDIA_BUS_FMT_SBGGR10_1X10,
+};
+
+static const char * const arducam_64mp_test_pattern_menu[] = {
+ "Disabled",
+ "Color Bars",
+ "Solid Color",
+ "Grey Color Bars",
+ "PN9"
+};
+
+static const int arducam_64mp_test_pattern_val[] = {
+ ARDUCAM_64MP_TEST_PATTERN_DISABLE,
+ ARDUCAM_64MP_TEST_PATTERN_COLOR_BARS,
+ ARDUCAM_64MP_TEST_PATTERN_SOLID_COLOR,
+ ARDUCAM_64MP_TEST_PATTERN_GREY_COLOR,
+ ARDUCAM_64MP_TEST_PATTERN_PN9,
+};
+
+/* regulator supplies */
+static const char * const arducam_64mp_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 ARDUCAM_64MP_NUM_SUPPLIES ARRAY_SIZE(arducam_64mp_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 7.7ms. 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 - 1ms.
+ */
+#define ARDUCAM_64MP_XCLR_MIN_DELAY_US 8000
+#define ARDUCAM_64MP_XCLR_DELAY_RANGE_US 1000
+
+struct arducam_64mp {
+ struct v4l2_subdev sd;
+ struct media_pad pad;
+
+ unsigned int fmt_code;
+
+ struct clk *xclk;
+
+ struct gpio_desc *reset_gpio;
+ struct regulator_bulk_data supplies[ARDUCAM_64MP_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 arducam_64mp_mode *mode;
+
+ /*
+ * Mutex for serialized access:
+ * Protect sensor module set pad format and start/stop streaming safely.
+ */
+ struct mutex mutex;
+
+ /* Streaming on/off */
+ bool streaming;
+
+ /* Rewrite common registers on stream on? */
+ bool common_regs_written;
+
+ /* Current long exposure factor in use. Set through V4L2_CID_VBLANK */
+ unsigned int long_exp_shift;
+};
+
+static inline struct arducam_64mp *to_arducam_64mp(struct v4l2_subdev *_sd)
+{
+ return container_of(_sd, struct arducam_64mp, sd);
+}
+
+/* Read registers up to 2 at a time */
+static int arducam_64mp_read_reg(struct i2c_client *client,
+ u16 reg, u32 len, u32 *val)
+{
+ 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 arducam_64mp_write_reg(struct arducam_64mp *arducam_64mp,
+ u16 reg, u32 len, u32 val)
+{
+ struct i2c_client *client = v4l2_get_subdevdata(&arducam_64mp->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 arducam_64mp_write_regs(struct arducam_64mp *arducam_64mp,
+ const struct arducam_64mp_reg *regs, u32 len)
+{
+ struct i2c_client *client = v4l2_get_subdevdata(&arducam_64mp->sd);
+ unsigned int i;
+ int ret;
+
+ for (i = 0; i < len; i++) {
+ ret = arducam_64mp_write_reg(arducam_64mp, 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 arducam_64mp_get_format_code(struct arducam_64mp *arducam_64mp)
+{
+ unsigned int i;
+
+ lockdep_assert_held(&arducam_64mp->mutex);
+
+ i = (arducam_64mp->vflip->val ? 2 : 0) |
+ (arducam_64mp->hflip->val ? 1 : 0);
+
+ return codes[i];
+}
+
+static int arducam_64mp_open(struct v4l2_subdev *sd, struct v4l2_subdev_fh *fh)
+{
+ struct arducam_64mp *arducam_64mp = to_arducam_64mp(sd);
+ struct v4l2_mbus_framefmt *try_fmt_img =
+ v4l2_subdev_get_try_format(sd, fh->state, 0);
+ struct v4l2_rect *try_crop;
+
+ mutex_lock(&arducam_64mp->mutex);
+
+ /* Initialize try_fmt for the image pad */
+ try_fmt_img->width = supported_modes[0].width;
+ try_fmt_img->height = supported_modes[0].height;
+ try_fmt_img->code = arducam_64mp_get_format_code(arducam_64mp);
+ try_fmt_img->field = V4L2_FIELD_NONE;
+
+ /* Initialize try_crop */
+ try_crop = v4l2_subdev_get_try_crop(sd, fh->state, 0);
+ try_crop->left = ARDUCAM_64MP_PIXEL_ARRAY_LEFT;
+ try_crop->top = ARDUCAM_64MP_PIXEL_ARRAY_TOP;
+ try_crop->width = ARDUCAM_64MP_PIXEL_ARRAY_WIDTH;
+ try_crop->height = ARDUCAM_64MP_PIXEL_ARRAY_HEIGHT;
+
+ mutex_unlock(&arducam_64mp->mutex);
+
+ return 0;
+}
+
+static void
+arducam_64mp_adjust_exposure_range(struct arducam_64mp *arducam_64mp)
+{
+ int exposure_max, exposure_def;
+
+ /* Honour the VBLANK limits when setting exposure. */
+ exposure_max = arducam_64mp->mode->height + arducam_64mp->vblank->val -
+ ARDUCAM_64MP_EXPOSURE_OFFSET;
+ exposure_def = min(exposure_max, arducam_64mp->exposure->val);
+ __v4l2_ctrl_modify_range(arducam_64mp->exposure,
+ arducam_64mp->exposure->minimum,
+ exposure_max, arducam_64mp->exposure->step,
+ exposure_def);
+}
+
+static int arducam_64mp_set_frame_length(struct arducam_64mp *arducam_64mp,
+ unsigned int vblank)
+{
+ unsigned int val = vblank + arducam_64mp->mode->height;
+ int ret = 0;
+
+ arducam_64mp->long_exp_shift = 0;
+
+ while (val > ARDUCAM_64MP_FRAME_LENGTH_MAX) {
+ arducam_64mp->long_exp_shift++;
+ val >>= 1;
+ }
+
+ ret = arducam_64mp_write_reg(arducam_64mp,
+ ARDUCAM_64MP_REG_FRAME_LENGTH,
+ ARDUCAM_64MP_REG_VALUE_16BIT, val);
+ if (ret)
+ return ret;
+
+ return arducam_64mp_write_reg(arducam_64mp,
+ ARDUCAM_64MP_LONG_EXP_SHIFT_REG,
+ ARDUCAM_64MP_REG_VALUE_08BIT,
+ arducam_64mp->long_exp_shift);
+}
+
+static int arducam_64mp_set_ctrl(struct v4l2_ctrl *ctrl)
+{
+ struct arducam_64mp *arducam_64mp =
+ container_of(ctrl->handler, struct arducam_64mp, ctrl_handler);
+ struct i2c_client *client = v4l2_get_subdevdata(&arducam_64mp->sd);
+ int ret;
+ u32 val;
+ /*
+ * The VBLANK control may change the limits of usable exposure, so check
+ * and adjust if necessary.
+ */
+ if (ctrl->id == V4L2_CID_VBLANK)
+ arducam_64mp_adjust_exposure_range(arducam_64mp);
+
+ /*
+ * 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 = arducam_64mp_write_reg(arducam_64mp,
+ ARDUCAM_64MP_REG_ANALOG_GAIN,
+ ARDUCAM_64MP_REG_VALUE_16BIT,
+ ctrl->val);
+ break;
+ case V4L2_CID_EXPOSURE:
+ val = ctrl->val >> arducam_64mp->long_exp_shift;
+ ret = arducam_64mp_write_reg(arducam_64mp,
+ ARDUCAM_64MP_REG_EXPOSURE,
+ ARDUCAM_64MP_REG_VALUE_16BIT,
+ val);
+ break;
+ case V4L2_CID_DIGITAL_GAIN:
+ ret = arducam_64mp_write_reg(arducam_64mp,
+ ARDUCAM_64MP_REG_DIGITAL_GAIN,
+ ARDUCAM_64MP_REG_VALUE_16BIT,
+ ctrl->val);
+ break;
+ case V4L2_CID_TEST_PATTERN:
+ val = arducam_64mp_test_pattern_val[ctrl->val];
+ ret = arducam_64mp_write_reg(arducam_64mp,
+ ARDUCAM_64MP_REG_TEST_PATTERN,
+ ARDUCAM_64MP_REG_VALUE_16BIT,
+ val);
+ break;
+ case V4L2_CID_TEST_PATTERN_RED:
+ ret = arducam_64mp_write_reg(arducam_64mp,
+ ARDUCAM_64MP_REG_TEST_PATTERN_R,
+ ARDUCAM_64MP_REG_VALUE_16BIT,
+ ctrl->val);
+ break;
+ case V4L2_CID_TEST_PATTERN_GREENR:
+ ret = arducam_64mp_write_reg(arducam_64mp,
+ ARDUCAM_64MP_REG_TEST_PATTERN_GR,
+ ARDUCAM_64MP_REG_VALUE_16BIT,
+ ctrl->val);
+ break;
+ case V4L2_CID_TEST_PATTERN_BLUE:
+ ret = arducam_64mp_write_reg(arducam_64mp,
+ ARDUCAM_64MP_REG_TEST_PATTERN_B,
+ ARDUCAM_64MP_REG_VALUE_16BIT,
+ ctrl->val);
+ break;
+ case V4L2_CID_TEST_PATTERN_GREENB:
+ ret = arducam_64mp_write_reg(arducam_64mp,
+ ARDUCAM_64MP_REG_TEST_PATTERN_GB,
+ ARDUCAM_64MP_REG_VALUE_16BIT,
+ ctrl->val);
+ break;
+ case V4L2_CID_HFLIP:
+ case V4L2_CID_VFLIP:
+ ret = arducam_64mp_write_reg(arducam_64mp,
+ ARDUCAM_64MP_REG_ORIENTATION, 1,
+ arducam_64mp->hflip->val |
+ arducam_64mp->vflip->val << 1);
+ break;
+ case V4L2_CID_VBLANK:
+ ret = arducam_64mp_set_frame_length(arducam_64mp, 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 arducam_64mp_ctrl_ops = {
+ .s_ctrl = arducam_64mp_set_ctrl,
+};
+
+static int arducam_64mp_enum_mbus_code(struct v4l2_subdev *sd,
+ struct v4l2_subdev_state *sd_state,
+ struct v4l2_subdev_mbus_code_enum *code)
+{
+ struct arducam_64mp *arducam_64mp = to_arducam_64mp(sd);
+
+ if (code->index > 0)
+ return -EINVAL;
+
+ code->code = arducam_64mp_get_format_code(arducam_64mp);
+
+ return 0;
+}
+
+static int arducam_64mp_enum_frame_size(struct v4l2_subdev *sd,
+ struct v4l2_subdev_state *sd_state,
+ struct v4l2_subdev_frame_size_enum *fse)
+{
+ struct arducam_64mp *arducam_64mp = to_arducam_64mp(sd);
+
+ if (fse->index >= ARRAY_SIZE(supported_modes))
+ return -EINVAL;
+
+ if (fse->code != arducam_64mp_get_format_code(arducam_64mp))
+ return -EINVAL;
+
+ fse->min_width = supported_modes[fse->index].width;
+ fse->max_width = fse->min_width;
+ fse->min_height = supported_modes[fse->index].height;
+ fse->max_height = fse->min_height;
+
+ return 0;
+}
+
+static void arducam_64mp_reset_colorspace(struct v4l2_mbus_framefmt *fmt)
+{
+ fmt->colorspace = V4L2_COLORSPACE_RAW;
+ 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
+arducam_64mp_update_image_pad_format(struct arducam_64mp *arducam_64mp,
+ const struct arducam_64mp_mode *mode,
+ struct v4l2_subdev_format *fmt)
+{
+ fmt->format.width = mode->width;
+ fmt->format.height = mode->height;
+ fmt->format.field = V4L2_FIELD_NONE;
+ arducam_64mp_reset_colorspace(&fmt->format);
+}
+
+static int arducam_64mp_get_pad_format(struct v4l2_subdev *sd,
+ struct v4l2_subdev_state *sd_state,
+ struct v4l2_subdev_format *fmt)
+{
+ struct arducam_64mp *arducam_64mp = to_arducam_64mp(sd);
+
+ if (fmt->pad != 0)
+ return -EINVAL;
+
+ mutex_lock(&arducam_64mp->mutex);
+
+ if (fmt->which == V4L2_SUBDEV_FORMAT_TRY) {
+ struct v4l2_mbus_framefmt *try_fmt =
+ v4l2_subdev_get_try_format(&arducam_64mp->sd, sd_state,
+ fmt->pad);
+ /* update the code which could change due to vflip or hflip: */
+ try_fmt->code = arducam_64mp_get_format_code(arducam_64mp);
+ fmt->format = *try_fmt;
+ } else {
+ arducam_64mp_update_image_pad_format(arducam_64mp,
+ arducam_64mp->mode,
+ fmt);
+ fmt->format.code =
+ arducam_64mp_get_format_code(arducam_64mp);
+ }
+
+ mutex_unlock(&arducam_64mp->mutex);
+ return 0;
+}
+
+static unsigned int
+arducam_64mp_get_frame_length(const struct arducam_64mp_mode *mode,
+ const struct v4l2_fract *timeperframe)
+{
+ u64 frame_length;
+
+ frame_length = (u64)timeperframe->numerator * ARDUCAM_64MP_PIXEL_RATE;
+ do_div(frame_length,
+ (u64)timeperframe->denominator * mode->line_length_pix);
+
+ if (WARN_ON(frame_length > ARDUCAM_64MP_FRAME_LENGTH_MAX))
+ frame_length = ARDUCAM_64MP_FRAME_LENGTH_MAX;
+
+ return max_t(unsigned int, frame_length, mode->height);
+}
+
+static void arducam_64mp_set_framing_limits(struct arducam_64mp *arducam_64mp)
+{
+ unsigned int frm_length_min, frm_length_default, hblank;
+ const struct arducam_64mp_mode *mode = arducam_64mp->mode;
+
+ /* The default framerate is highest possible framerate. */
+ frm_length_min =
+ arducam_64mp_get_frame_length(mode,
+ &mode->timeperframe_default);
+ frm_length_default =
+ arducam_64mp_get_frame_length(mode,
+ &mode->timeperframe_default);
+
+ /* Default to no long exposure multiplier. */
+ arducam_64mp->long_exp_shift = 0;
+
+ /* Update limits and set FPS to default */
+ __v4l2_ctrl_modify_range(arducam_64mp->vblank,
+ frm_length_min - mode->height,
+ ((1 << ARDUCAM_64MP_LONG_EXP_SHIFT_MAX) *
+ ARDUCAM_64MP_FRAME_LENGTH_MAX) - mode->height,
+ 1, frm_length_default - mode->height);
+
+ /* Setting this will adjust the exposure limits as well. */
+ __v4l2_ctrl_s_ctrl(arducam_64mp->vblank,
+ frm_length_default - mode->height);
+
+ /*
+ * Currently PPL is fixed to the mode specified value, so hblank
+ * depends on mode->width only, and is not changeable in any
+ * way other than changing the mode.
+ */
+ hblank = mode->line_length_pix - mode->width;
+ __v4l2_ctrl_modify_range(arducam_64mp->hblank, hblank, hblank, 1,
+ hblank);
+}
+
+static int arducam_64mp_set_pad_format(struct v4l2_subdev *sd,
+ struct v4l2_subdev_state *sd_state,
+ struct v4l2_subdev_format *fmt)
+{
+ struct v4l2_mbus_framefmt *framefmt;
+ const struct arducam_64mp_mode *mode;
+ struct arducam_64mp *arducam_64mp = to_arducam_64mp(sd);
+
+ if (fmt->pad != 0)
+ return -EINVAL;
+
+ mutex_lock(&arducam_64mp->mutex);
+
+ /* Bayer order varies with flips */
+ fmt->format.code = arducam_64mp_get_format_code(arducam_64mp);
+
+ mode = v4l2_find_nearest_size(supported_modes,
+ ARRAY_SIZE(supported_modes),
+ width, height,
+ fmt->format.width,
+ fmt->format.height);
+ arducam_64mp_update_image_pad_format(arducam_64mp, mode, fmt);
+ if (fmt->which == V4L2_SUBDEV_FORMAT_TRY) {
+ framefmt = v4l2_subdev_get_try_format(sd, sd_state,
+ fmt->pad);
+ *framefmt = fmt->format;
+ } else {
+ arducam_64mp->mode = mode;
+ arducam_64mp->fmt_code = fmt->format.code;
+ arducam_64mp_set_framing_limits(arducam_64mp);
+ }
+
+ mutex_unlock(&arducam_64mp->mutex);
+
+ return 0;
+}
+
+static const struct v4l2_rect *
+__arducam_64mp_get_pad_crop(struct arducam_64mp *arducam_64mp,
+ struct v4l2_subdev_state *sd_state,
+ unsigned int pad,
+ enum v4l2_subdev_format_whence which)
+{
+ switch (which) {
+ case V4L2_SUBDEV_FORMAT_TRY:
+ return v4l2_subdev_get_try_crop(&arducam_64mp->sd, sd_state,
+ pad);
+ case V4L2_SUBDEV_FORMAT_ACTIVE:
+ return &arducam_64mp->mode->crop;
+ }
+
+ return NULL;
+}
+
+static int arducam_64mp_get_selection(struct v4l2_subdev *sd,
+ struct v4l2_subdev_state *sd_state,
+ struct v4l2_subdev_selection *sel)
+{
+ switch (sel->target) {
+ case V4L2_SEL_TGT_CROP: {
+ struct arducam_64mp *arducam_64mp = to_arducam_64mp(sd);
+
+ mutex_lock(&arducam_64mp->mutex);
+ sel->r = *__arducam_64mp_get_pad_crop(arducam_64mp, sd_state,
+ sel->pad, sel->which);
+ mutex_unlock(&arducam_64mp->mutex);
+
+ return 0;
+ }
+
+ case V4L2_SEL_TGT_NATIVE_SIZE:
+ sel->r.left = 0;
+ sel->r.top = 0;
+ sel->r.width = ARDUCAM_64MP_NATIVE_WIDTH;
+ sel->r.height = ARDUCAM_64MP_NATIVE_HEIGHT;
+
+ return 0;
+
+ case V4L2_SEL_TGT_CROP_DEFAULT:
+ case V4L2_SEL_TGT_CROP_BOUNDS:
+ sel->r.left = ARDUCAM_64MP_PIXEL_ARRAY_LEFT;
+ sel->r.top = ARDUCAM_64MP_PIXEL_ARRAY_TOP;
+ sel->r.width = ARDUCAM_64MP_PIXEL_ARRAY_WIDTH;
+ sel->r.height = ARDUCAM_64MP_PIXEL_ARRAY_HEIGHT;
+
+ return 0;
+ }
+
+ return -EINVAL;
+}
+
+/* Start streaming */
+static int arducam_64mp_start_streaming(struct arducam_64mp *arducam_64mp)
+{
+ struct i2c_client *client = v4l2_get_subdevdata(&arducam_64mp->sd);
+ const struct arducam_64mp_reg_list *reg_list;
+ int ret;
+
+ if (!arducam_64mp->common_regs_written) {
+ ret = arducam_64mp_write_regs(arducam_64mp, mode_common_regs,
+ ARRAY_SIZE(mode_common_regs));
+
+ if (ret) {
+ dev_err(&client->dev, "%s failed to set common settings\n",
+ __func__);
+ return ret;
+ }
+ arducam_64mp->common_regs_written = true;
+ }
+
+ /* Apply default values of current mode */
+ reg_list = &arducam_64mp->mode->reg_list;
+ ret = arducam_64mp_write_regs(arducam_64mp, 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(arducam_64mp->sd.ctrl_handler);
+ if (ret)
+ return ret;
+
+ /* set stream on register */
+ return arducam_64mp_write_reg(arducam_64mp,
+ ARDUCAM_64MP_REG_MODE_SELECT,
+ ARDUCAM_64MP_REG_VALUE_08BIT,
+ ARDUCAM_64MP_MODE_STREAMING);
+}
+
+/* Stop streaming */
+static void arducam_64mp_stop_streaming(struct arducam_64mp *arducam_64mp)
+{
+ struct i2c_client *client = v4l2_get_subdevdata(&arducam_64mp->sd);
+ int ret;
+
+ /* set stream off register */
+ ret = arducam_64mp_write_reg(arducam_64mp, ARDUCAM_64MP_REG_MODE_SELECT,
+ ARDUCAM_64MP_REG_VALUE_08BIT,
+ ARDUCAM_64MP_MODE_STANDBY);
+ if (ret)
+ dev_err(&client->dev, "%s failed to set stream\n", __func__);
+}
+
+static int arducam_64mp_set_stream(struct v4l2_subdev *sd, int enable)
+{
+ struct arducam_64mp *arducam_64mp = to_arducam_64mp(sd);
+ struct i2c_client *client = v4l2_get_subdevdata(sd);
+ int ret = 0;
+
+ mutex_lock(&arducam_64mp->mutex);
+ if (arducam_64mp->streaming == enable) {
+ mutex_unlock(&arducam_64mp->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 = arducam_64mp_start_streaming(arducam_64mp);
+ if (ret)
+ goto err_rpm_put;
+ } else {
+ arducam_64mp_stop_streaming(arducam_64mp);
+ pm_runtime_put(&client->dev);
+ }
+
+ arducam_64mp->streaming = enable;
+
+ /* vflip and hflip cannot change during streaming */
+ __v4l2_ctrl_grab(arducam_64mp->vflip, enable);
+ __v4l2_ctrl_grab(arducam_64mp->hflip, enable);
+
+ mutex_unlock(&arducam_64mp->mutex);
+
+ return ret;
+
+err_rpm_put:
+ pm_runtime_put(&client->dev);
+err_unlock:
+ mutex_unlock(&arducam_64mp->mutex);
+
+ return ret;
+}
+
+/* Power/clock management functions */
+static int arducam_64mp_power_on(struct device *dev)
+{
+ struct i2c_client *client = to_i2c_client(dev);
+ struct v4l2_subdev *sd = i2c_get_clientdata(client);
+ struct arducam_64mp *arducam_64mp = to_arducam_64mp(sd);
+ int ret;
+
+ ret = regulator_bulk_enable(ARDUCAM_64MP_NUM_SUPPLIES,
+ arducam_64mp->supplies);
+ if (ret) {
+ dev_err(&client->dev, "%s: failed to enable regulators\n",
+ __func__);
+ return ret;
+ }
+
+ ret = clk_prepare_enable(arducam_64mp->xclk);
+ if (ret) {
+ dev_err(&client->dev, "%s: failed to enable clock\n",
+ __func__);
+ goto reg_off;
+ }
+
+ gpiod_set_value_cansleep(arducam_64mp->reset_gpio, 1);
+ usleep_range(ARDUCAM_64MP_XCLR_MIN_DELAY_US,
+ ARDUCAM_64MP_XCLR_MIN_DELAY_US +
+ ARDUCAM_64MP_XCLR_DELAY_RANGE_US);
+
+ return 0;
+
+reg_off:
+ regulator_bulk_disable(ARDUCAM_64MP_NUM_SUPPLIES,
+ arducam_64mp->supplies);
+ return ret;
+}
+
+static int arducam_64mp_power_off(struct device *dev)
+{
+ struct i2c_client *client = to_i2c_client(dev);
+ struct v4l2_subdev *sd = i2c_get_clientdata(client);
+ struct arducam_64mp *arducam_64mp = to_arducam_64mp(sd);
+
+ gpiod_set_value_cansleep(arducam_64mp->reset_gpio, 0);
+ regulator_bulk_disable(ARDUCAM_64MP_NUM_SUPPLIES,
+ arducam_64mp->supplies);
+ clk_disable_unprepare(arducam_64mp->xclk);
+
+ /* Force reprogramming of the common registers when powered up again. */
+ arducam_64mp->common_regs_written = false;
+
+ return 0;
+}
+
+static int __maybe_unused arducam_64mp_suspend(struct device *dev)
+{
+ struct i2c_client *client = to_i2c_client(dev);
+ struct v4l2_subdev *sd = i2c_get_clientdata(client);
+ struct arducam_64mp *arducam_64mp = to_arducam_64mp(sd);
+
+ if (arducam_64mp->streaming)
+ arducam_64mp_stop_streaming(arducam_64mp);
+
+ return 0;
+}
+
+static int __maybe_unused arducam_64mp_resume(struct device *dev)
+{
+ struct i2c_client *client = to_i2c_client(dev);
+ struct v4l2_subdev *sd = i2c_get_clientdata(client);
+ struct arducam_64mp *arducam_64mp = to_arducam_64mp(sd);
+ int ret;
+
+ if (arducam_64mp->streaming) {
+ ret = arducam_64mp_start_streaming(arducam_64mp);
+ if (ret)
+ goto error;
+ }
+
+ return 0;
+
+error:
+ arducam_64mp_stop_streaming(arducam_64mp);
+ arducam_64mp->streaming = 0;
+ return ret;
+}
+
+static int arducam_64mp_get_regulators(struct arducam_64mp *arducam_64mp)
+{
+ struct i2c_client *client = v4l2_get_subdevdata(&arducam_64mp->sd);
+ unsigned int i;
+
+ for (i = 0; i < ARDUCAM_64MP_NUM_SUPPLIES; i++)
+ arducam_64mp->supplies[i].supply = arducam_64mp_supply_name[i];
+
+ return devm_regulator_bulk_get(&client->dev,
+ ARDUCAM_64MP_NUM_SUPPLIES,
+ arducam_64mp->supplies);
+}
+
+/* Verify chip ID */
+static int arducam_64mp_identify_module(struct arducam_64mp *arducam_64mp)
+{
+ struct i2c_client *client = v4l2_get_subdevdata(&arducam_64mp->sd);
+ struct i2c_client *arducam_identifier;
+ int ret;
+ u32 val;
+
+ arducam_identifier = i2c_new_dummy_device(client->adapter, 0x50);
+ if (IS_ERR(arducam_identifier)) {
+ dev_err(&client->dev, "failed to create arducam_identifier\n");
+ return PTR_ERR(arducam_identifier);
+ }
+
+ ret = arducam_64mp_read_reg(arducam_identifier,
+ ARDUCAM_64MP_REG_CHIP_ID,
+ ARDUCAM_64MP_REG_VALUE_16BIT, &val);
+ if (ret) {
+ dev_err(&client->dev, "failed to read chip id %x, with error %d\n",
+ ARDUCAM_64MP_CHIP_ID, ret);
+ goto error;
+ }
+
+ if (val != ARDUCAM_64MP_CHIP_ID) {
+ dev_err(&client->dev, "chip id mismatch: %x!=%x\n",
+ ARDUCAM_64MP_CHIP_ID, val);
+ ret = -EIO;
+ goto error;
+ }
+
+ dev_info(&client->dev, "Device found Arducam 64MP.\n");
+
+error:
+ i2c_unregister_device(arducam_identifier);
+
+ return ret;
+}
+
+static const struct v4l2_subdev_core_ops arducam_64mp_core_ops = {
+ .subscribe_event = v4l2_ctrl_subdev_subscribe_event,
+ .unsubscribe_event = v4l2_event_subdev_unsubscribe,
+};
+
+static const struct v4l2_subdev_video_ops arducam_64mp_video_ops = {
+ .s_stream = arducam_64mp_set_stream,
+};
+
+static const struct v4l2_subdev_pad_ops arducam_64mp_pad_ops = {
+ .enum_mbus_code = arducam_64mp_enum_mbus_code,
+ .get_fmt = arducam_64mp_get_pad_format,
+ .set_fmt = arducam_64mp_set_pad_format,
+ .get_selection = arducam_64mp_get_selection,
+ .enum_frame_size = arducam_64mp_enum_frame_size,
+};
+
+static const struct v4l2_subdev_ops arducam_64mp_subdev_ops = {
+ .core = &arducam_64mp_core_ops,
+ .video = &arducam_64mp_video_ops,
+ .pad = &arducam_64mp_pad_ops,
+};
+
+static const struct v4l2_subdev_internal_ops arducam_64mp_internal_ops = {
+ .open = arducam_64mp_open,
+};
+
+/* Initialize control handlers */
+static int arducam_64mp_init_controls(struct arducam_64mp *arducam_64mp)
+{
+ struct v4l2_ctrl_handler *ctrl_hdlr;
+ struct i2c_client *client = v4l2_get_subdevdata(&arducam_64mp->sd);
+ struct v4l2_fwnode_device_properties props;
+ unsigned int i;
+ int ret;
+ u8 test_pattern_max;
+
+ ctrl_hdlr = &arducam_64mp->ctrl_handler;
+ ret = v4l2_ctrl_handler_init(ctrl_hdlr, 16);
+ if (ret)
+ return ret;
+
+ mutex_init(&arducam_64mp->mutex);
+ ctrl_hdlr->lock = &arducam_64mp->mutex;
+
+ /* By default, PIXEL_RATE is read only */
+ arducam_64mp->pixel_rate = v4l2_ctrl_new_std(ctrl_hdlr,
+ &arducam_64mp_ctrl_ops,
+ V4L2_CID_PIXEL_RATE,
+ ARDUCAM_64MP_PIXEL_RATE,
+ ARDUCAM_64MP_PIXEL_RATE, 1,
+ ARDUCAM_64MP_PIXEL_RATE);
+
+ /*
+ * Create the controls here, but mode specific limits are setup
+ * in the arducam_64mp_set_framing_limits() call below.
+ */
+ arducam_64mp->vblank = v4l2_ctrl_new_std(ctrl_hdlr,
+ &arducam_64mp_ctrl_ops,
+ V4L2_CID_VBLANK,
+ 0, 0xffff, 1, 0);
+ arducam_64mp->hblank = v4l2_ctrl_new_std(ctrl_hdlr,
+ &arducam_64mp_ctrl_ops,
+ V4L2_CID_HBLANK,
+ 0, 0xffff, 1, 0);
+
+ /* HBLANK is read-only, but does change with mode. */
+ if (arducam_64mp->hblank)
+ arducam_64mp->hblank->flags |= V4L2_CTRL_FLAG_READ_ONLY;
+
+ arducam_64mp->exposure =
+ v4l2_ctrl_new_std(ctrl_hdlr,
+ &arducam_64mp_ctrl_ops,
+ V4L2_CID_EXPOSURE,
+ ARDUCAM_64MP_EXPOSURE_MIN,
+ ARDUCAM_64MP_EXPOSURE_MAX,
+ ARDUCAM_64MP_EXPOSURE_STEP,
+ ARDUCAM_64MP_EXPOSURE_DEFAULT);
+
+ v4l2_ctrl_new_std(ctrl_hdlr, &arducam_64mp_ctrl_ops,
+ V4L2_CID_ANALOGUE_GAIN, ARDUCAM_64MP_ANA_GAIN_MIN,
+ ARDUCAM_64MP_ANA_GAIN_MAX, ARDUCAM_64MP_ANA_GAIN_STEP,
+ ARDUCAM_64MP_ANA_GAIN_DEFAULT);
+
+ v4l2_ctrl_new_std(ctrl_hdlr, &arducam_64mp_ctrl_ops,
+ V4L2_CID_DIGITAL_GAIN, ARDUCAM_64MP_DGTL_GAIN_MIN,
+ ARDUCAM_64MP_DGTL_GAIN_MAX,
+ ARDUCAM_64MP_DGTL_GAIN_STEP,
+ ARDUCAM_64MP_DGTL_GAIN_DEFAULT);
+
+ arducam_64mp->hflip = v4l2_ctrl_new_std(ctrl_hdlr,
+ &arducam_64mp_ctrl_ops,
+ V4L2_CID_HFLIP, 0, 1, 1, 0);
+ if (arducam_64mp->hflip)
+ arducam_64mp->hflip->flags |= V4L2_CTRL_FLAG_MODIFY_LAYOUT;
+
+ arducam_64mp->vflip = v4l2_ctrl_new_std(ctrl_hdlr,
+ &arducam_64mp_ctrl_ops,
+ V4L2_CID_VFLIP, 0, 1, 1, 0);
+ if (arducam_64mp->vflip)
+ arducam_64mp->vflip->flags |= V4L2_CTRL_FLAG_MODIFY_LAYOUT;
+
+ test_pattern_max = ARRAY_SIZE(arducam_64mp_test_pattern_menu) - 1;
+ v4l2_ctrl_new_std_menu_items(ctrl_hdlr, &arducam_64mp_ctrl_ops,
+ V4L2_CID_TEST_PATTERN,
+ test_pattern_max,
+ 0, 0, arducam_64mp_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, &arducam_64mp_ctrl_ops,
+ V4L2_CID_TEST_PATTERN_RED + i,
+ ARDUCAM_64MP_TEST_PATTERN_COLOUR_MIN,
+ ARDUCAM_64MP_TEST_PATTERN_COLOUR_MAX,
+ ARDUCAM_64MP_TEST_PATTERN_COLOUR_STEP,
+ ARDUCAM_64MP_TEST_PATTERN_COLOUR_MAX);
+ /* The "Solid color" pattern is white by default */
+ }
+
+ if (ctrl_hdlr->error) {
+ ret = ctrl_hdlr->error;
+ dev_err(&client->dev, "%s control init failed (%d)\n",
+ __func__, ret);
+ goto error;
+ }
+
+ ret = v4l2_fwnode_device_parse(&client->dev, &props);
+ if (ret)
+ goto error;
+
+ ret = v4l2_ctrl_new_fwnode_properties(ctrl_hdlr, &arducam_64mp_ctrl_ops,
+ &props);
+ if (ret)
+ goto error;
+
+ arducam_64mp->sd.ctrl_handler = ctrl_hdlr;
+
+ /* Setup exposure and frame/line length limits. */
+ arducam_64mp_set_framing_limits(arducam_64mp);
+
+ return 0;
+
+error:
+ v4l2_ctrl_handler_free(ctrl_hdlr);
+ mutex_destroy(&arducam_64mp->mutex);
+
+ return ret;
+}
+
+static void arducam_64mp_free_controls(struct arducam_64mp *arducam_64mp)
+{
+ v4l2_ctrl_handler_free(arducam_64mp->sd.ctrl_handler);
+ mutex_destroy(&arducam_64mp->mutex);
+}
+
+static int arducam_64mp_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] != ARDUCAM_64MP_DEFAULT_LINK_FREQ) {
+ dev_err(dev, "Link frequency not supported: %lld\n",
+ ep_cfg.link_frequencies[0]);
+ goto error_out;
+ }
+
+ ret = 0;
+
+error_out:
+ v4l2_fwnode_endpoint_free(&ep_cfg);
+ fwnode_handle_put(endpoint);
+
+ return ret;
+}
+
+static const struct of_device_id arducam_64mp_dt_ids[] = {
+ { .compatible = "arducam,64mp"},
+ { /* sentinel */ }
+};
+
+static int arducam_64mp_probe(struct i2c_client *client)
+{
+ struct device *dev = &client->dev;
+ struct arducam_64mp *arducam_64mp;
+ const struct of_device_id *match;
+ u32 xclk_freq;
+ int ret;
+
+ arducam_64mp = devm_kzalloc(&client->dev, sizeof(*arducam_64mp),
+ GFP_KERNEL);
+ if (!arducam_64mp)
+ return -ENOMEM;
+
+ v4l2_i2c_subdev_init(&arducam_64mp->sd, client,
+ &arducam_64mp_subdev_ops);
+
+ match = of_match_device(arducam_64mp_dt_ids, dev);
+ if (!match)
+ return -ENODEV;
+
+ /* Check the hardware configuration in device tree */
+ if (arducam_64mp_check_hwcfg(dev))
+ return -EINVAL;
+
+ /* Get system clock (xclk) */
+ arducam_64mp->xclk = devm_clk_get(dev, NULL);
+ if (IS_ERR(arducam_64mp->xclk)) {
+ dev_err(dev, "failed to get xclk\n");
+ return PTR_ERR(arducam_64mp->xclk);
+ }
+
+ xclk_freq = clk_get_rate(arducam_64mp->xclk);
+ if (xclk_freq != ARDUCAM_64MP_XCLK_FREQ) {
+ dev_err(dev, "xclk frequency not supported: %d Hz\n",
+ xclk_freq);
+ return -EINVAL;
+ }
+
+ ret = arducam_64mp_get_regulators(arducam_64mp);
+ if (ret) {
+ dev_err(dev, "failed to get regulators\n");
+ return ret;
+ }
+
+ /* Request optional enable pin */
+ arducam_64mp->reset_gpio = devm_gpiod_get_optional(dev, "reset",
+ GPIOD_OUT_HIGH);
+
+ /*
+ * The sensor must be powered for arducam_64mp_identify_module()
+ * to be able to read the CHIP_ID from arducam_identifier.
+ */
+ ret = arducam_64mp_power_on(dev);
+ if (ret)
+ return ret;
+
+ ret = arducam_64mp_identify_module(arducam_64mp);
+ if (ret)
+ goto error_power_off;
+
+ /* Set default mode to max resolution */
+ arducam_64mp->mode = &supported_modes[0];
+ arducam_64mp->fmt_code = MEDIA_BUS_FMT_SRGGB10_1X10;
+
+ /* Enable runtime PM and turn off the device */
+ pm_runtime_set_active(dev);
+ pm_runtime_enable(dev);
+ pm_runtime_idle(dev);
+
+ /* This needs the pm runtime to be registered. */
+ ret = arducam_64mp_init_controls(arducam_64mp);
+ if (ret)
+ goto error_power_off;
+
+ /* Initialize subdev */
+ arducam_64mp->sd.internal_ops = &arducam_64mp_internal_ops;
+ arducam_64mp->sd.flags |= V4L2_SUBDEV_FL_HAS_DEVNODE |
+ V4L2_SUBDEV_FL_HAS_EVENTS;
+ arducam_64mp->sd.entity.function = MEDIA_ENT_F_CAM_SENSOR;
+
+ /* Initialize source pads */
+ arducam_64mp->pad.flags = MEDIA_PAD_FL_SOURCE;
+
+ ret = media_entity_pads_init(&arducam_64mp->sd.entity, 1,
+ &arducam_64mp->pad);
+ if (ret) {
+ dev_err(dev, "failed to init entity pads: %d\n", ret);
+ goto error_handler_free;
+ }
+
+ ret = v4l2_async_register_subdev_sensor(&arducam_64mp->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(&arducam_64mp->sd.entity);
+
+error_handler_free:
+ arducam_64mp_free_controls(arducam_64mp);
+
+error_power_off:
+ pm_runtime_disable(&client->dev);
+ pm_runtime_set_suspended(&client->dev);
+ arducam_64mp_power_off(&client->dev);
+
+ return ret;
+}
+
+static int arducam_64mp_remove(struct i2c_client *client)
+{
+ struct v4l2_subdev *sd = i2c_get_clientdata(client);
+ struct arducam_64mp *arducam_64mp = to_arducam_64mp(sd);
+
+ v4l2_async_unregister_subdev(sd);
+ media_entity_cleanup(&sd->entity);
+ arducam_64mp_free_controls(arducam_64mp);
+
+ pm_runtime_disable(&client->dev);
+ if (!pm_runtime_status_suspended(&client->dev))
+ arducam_64mp_power_off(&client->dev);
+ pm_runtime_set_suspended(&client->dev);
+
+ return 0;
+}
+
+MODULE_DEVICE_TABLE(of, arducam_64mp_dt_ids);
+
+static const struct dev_pm_ops arducam_64mp_pm_ops = {
+ SET_SYSTEM_SLEEP_PM_OPS(arducam_64mp_suspend, arducam_64mp_resume)
+ SET_RUNTIME_PM_OPS(arducam_64mp_power_off, arducam_64mp_power_on, NULL)
+};
+
+static struct i2c_driver arducam_64mp_i2c_driver = {
+ .driver = {
+ .name = "arducam_64mp",
+ .of_match_table = arducam_64mp_dt_ids,
+ .pm = &arducam_64mp_pm_ops,
+ },
+ .probe_new = arducam_64mp_probe,
+ .remove = arducam_64mp_remove,
+};
+
+module_i2c_driver(arducam_64mp_i2c_driver);
+
+MODULE_AUTHOR("Lee Jackson <info@arducam.com>");
+MODULE_DESCRIPTION("Arducam 64MP sensor driver");
+MODULE_LICENSE("GPL v2");
projects / platform / kernel / linux-rpi.git / commitdiff