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authorShawn Tu <shawnx.tu@intel.com>2022-10-25 10:27:38 +0800
committerSakari Ailus <sakari.ailus@linux.intel.com>2022-10-25 14:38:31 +0300
commit38fc5136ac16fe395577996d860ee55abb963922 (patch)
tree56e2e53b05d472932be738f400c6e033d468a5c5
parentf98a5c2e1c4396488c27274ba82afc11725a4bcc (diff)
media: i2c: Add ov08x40 image sensor driver
Add a V4L2 sub-device driver for Omnivision ov08X40 image sensor. This is a camera sensor using the I2C bus for control and the CSI-2 bus for data. This driver supports following features: - manual exposure and analog/digital gain control support - vblank/hblank control support - test pattern support - media controller support - runtime PM support - support following resolutions: + 3856x2464 at 30FPS + 1928x1208 at 30FPS Signed-off-by: Jason Chen <jason.z.chen@intel.com> Signed-off-by: Shawn Tu <shawnx.tu@intel.com> Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Diffstat
-rw-r--r--MAINTAINERS7
-rw-r--r--drivers/media/i2c/Kconfig13
-rw-r--r--drivers/media/i2c/Makefile1
-rw-r--r--drivers/media/i2c/ov08x40.c3327
4 files changed, 3348 insertions, 0 deletions
diff --git a/MAINTAINERS b/MAINTAINERS
index e04d944005ba..f3ac270d9fe8 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -15176,6 +15176,13 @@ S: Maintained
T: git git://linuxtv.org/media_tree.git
F: drivers/media/i2c/ov08d10.c
+OMNIVISION OV08X40 SENSOR DRIVER
+M: Jason Chen <jason.z.chen@intel.com>
+L: linux-media@vger.kernel.org
+S: Maintained
+T: git git://linuxtv.org/media_tree.git
+F: drivers/media/i2c/ov08x40.c
+
OMNIVISION OV13858 SENSOR DRIVER
M: Sakari Ailus <sakari.ailus@linux.intel.com>
L: linux-media@vger.kernel.org
diff --git a/drivers/media/i2c/Kconfig b/drivers/media/i2c/Kconfig
index 7806d4b81716..8d749c01df70 100644
--- a/drivers/media/i2c/Kconfig
+++ b/drivers/media/i2c/Kconfig
@@ -364,6 +364,19 @@ config VIDEO_OV08D10
To compile this driver as a module, choose M here: the
module will be called ov08d10.
+config VIDEO_OV08X40
+ tristate "OmniVision OV08X40 sensor support"
+ depends on VIDEO_V4L2 && I2C
+ select MEDIA_CONTROLLER
+ select VIDEO_V4L2_SUBDEV_API
+ select V4L2_FWNODE
+ help
+ This is a Video4Linux2 sensor driver for the OmniVision
+ OV08X40 camera.
+
+ To compile this driver as a module, choose M here: the
+ module will be called ov08x40.
+
config VIDEO_OV13858
tristate "OmniVision OV13858 sensor support"
depends on I2C && VIDEO_DEV
diff --git a/drivers/media/i2c/Makefile b/drivers/media/i2c/Makefile
index 0a2933103dd9..83be451ef326 100644
--- a/drivers/media/i2c/Makefile
+++ b/drivers/media/i2c/Makefile
@@ -72,6 +72,7 @@ obj-$(CONFIG_VIDEO_NOON010PC30) += noon010pc30.o
obj-$(CONFIG_VIDEO_OG01A1B) += og01a1b.o
obj-$(CONFIG_VIDEO_OV02A10) += ov02a10.o
obj-$(CONFIG_VIDEO_OV08D10) += ov08d10.o
+obj-$(CONFIG_VIDEO_OV08X40) += ov08x40.o
obj-$(CONFIG_VIDEO_OV13858) += ov13858.o
obj-$(CONFIG_VIDEO_OV13B10) += ov13b10.o
obj-$(CONFIG_VIDEO_OV2640) += ov2640.o
diff --git a/drivers/media/i2c/ov08x40.c b/drivers/media/i2c/ov08x40.c
new file mode 100644
index 000000000000..b4ade17a83f5
--- /dev/null
+++ b/drivers/media/i2c/ov08x40.c
@@ -0,0 +1,3327 @@
+// SPDX-License-Identifier: GPL-2.0
+// Copyright (c) 2022 Intel Corporation.
+
+#include <linux/acpi.h>
+#include <linux/i2c.h>
+#include <linux/module.h>
+#include <linux/delay.h>
+#include <linux/pm_runtime.h>
+#include <media/v4l2-ctrls.h>
+#include <media/v4l2-device.h>
+#include <media/v4l2-fwnode.h>
+
+#define OV08X40_REG_VALUE_08BIT 1
+#define OV08X40_REG_VALUE_16BIT 2
+#define OV08X40_REG_VALUE_24BIT 3
+
+#define OV08X40_REG_MODE_SELECT 0x0100
+#define OV08X40_MODE_STANDBY 0x00
+#define OV08X40_MODE_STREAMING 0x01
+
+#define OV08X40_REG_AO_STANDBY 0x1000
+#define OV08X40_AO_STREAMING 0x04
+
+#define OV08X40_REG_MS_SELECT 0x1001
+#define OV08X40_MS_STANDBY 0x00
+#define OV08X40_MS_STREAMING 0x04
+
+#define OV08X40_REG_SOFTWARE_RST 0x0103
+#define OV08X40_SOFTWARE_RST 0x01
+
+/* Chip ID */
+#define OV08X40_REG_CHIP_ID 0x300a
+#define OV08X40_CHIP_ID 0x560858
+
+/* V_TIMING internal */
+#define OV08X40_REG_VTS 0x380e
+#define OV08X40_VTS_30FPS 0x1388
+#define OV08X40_VTS_BIN_30FPS 0x115c
+#define OV08X40_VTS_MAX 0x7fff
+
+/* H TIMING internal */
+#define OV08X40_REG_HTS 0x380c
+#define OV08X40_HTS_30FPS 0x0280
+
+/* Exposure control */
+#define OV08X40_REG_EXPOSURE 0x3500
+#define OV08X40_EXPOSURE_MAX_MARGIN 31
+#define OV08X40_EXPOSURE_MIN 1
+#define OV08X40_EXPOSURE_STEP 1
+#define OV08X40_EXPOSURE_DEFAULT 0x40
+
+/* Short Exposure control */
+#define OV08X40_REG_SHORT_EXPOSURE 0x3540
+
+/* Analog gain control */
+#define OV08X40_REG_ANALOG_GAIN 0x3508
+#define OV08X40_ANA_GAIN_MIN 0x80
+#define OV08X40_ANA_GAIN_MAX 0x07c0
+#define OV08X40_ANA_GAIN_STEP 1
+#define OV08X40_ANA_GAIN_DEFAULT 0x80
+
+/* Digital gain control */
+#define OV08X40_REG_DGTL_GAIN_H 0x350a
+#define OV08X40_REG_DGTL_GAIN_M 0x350b
+#define OV08X40_REG_DGTL_GAIN_L 0x350c
+
+#define OV08X40_DGTL_GAIN_MIN 1024 /* Min = 1 X */
+#define OV08X40_DGTL_GAIN_MAX (4096 - 1) /* Max = 4 X */
+#define OV08X40_DGTL_GAIN_DEFAULT 2560 /* Default gain = 2.5 X */
+#define OV08X40_DGTL_GAIN_STEP 1 /* Each step = 1/1024 */
+
+#define OV08X40_DGTL_GAIN_L_SHIFT 6
+#define OV08X40_DGTL_GAIN_L_MASK 0x3
+#define OV08X40_DGTL_GAIN_M_SHIFT 2
+#define OV08X40_DGTL_GAIN_M_MASK 0xff
+#define OV08X40_DGTL_GAIN_H_SHIFT 10
+#define OV08X40_DGTL_GAIN_H_MASK 0x1F
+
+/* Test Pattern Control */
+#define OV08X40_REG_TEST_PATTERN 0x50C1
+#define OV08X40_REG_ISP 0x5000
+#define OV08X40_REG_SHORT_TEST_PATTERN 0x53C1
+#define OV08X40_TEST_PATTERN_ENABLE BIT(0)
+#define OV08X40_TEST_PATTERN_MASK 0xcf
+#define OV08X40_TEST_PATTERN_BAR_SHIFT 4
+
+/* Flip Control */
+#define OV08X40_REG_VFLIP 0x3820
+#define OV08X40_REG_MIRROR 0x3821
+
+/* Horizontal Window Offset */
+#define OV08X40_REG_H_WIN_OFFSET 0x3811
+
+/* Vertical Window Offset */
+#define OV08X40_REG_V_WIN_OFFSET 0x3813
+
+enum {
+ OV08X40_LINK_FREQ_400MHZ_INDEX,
+};
+
+struct ov08x40_reg {
+ u16 address;
+ u8 val;
+};
+
+struct ov08x40_reg_list {
+ u32 num_of_regs;
+ const struct ov08x40_reg *regs;
+};
+
+/* Link frequency config */
+struct ov08x40_link_freq_config {
+ u32 pixels_per_line;
+
+ /* registers for this link frequency */
+ struct ov08x40_reg_list reg_list;
+};
+
+/* Mode : resolution and related config&values */
+struct ov08x40_mode {
+ /* Frame width */
+ u32 width;
+ /* Frame height */
+ u32 height;
+
+ u32 lanes;
+ /* V-timing */
+ u32 vts_def;
+ u32 vts_min;
+
+ /* Index of Link frequency config to be used */
+ u32 link_freq_index;
+ /* Default register values */
+ struct ov08x40_reg_list reg_list;
+};
+
+static const struct ov08x40_reg mipi_data_rate_800mbps[] = {
+ {0x0103, 0x01},
+ {0x1000, 0x00},
+ {0x1601, 0xd0},
+ {0x1001, 0x04},
+ {0x5004, 0x53},
+ {0x5110, 0x00},
+ {0x5111, 0x14},
+ {0x5112, 0x01},
+ {0x5113, 0x7b},
+ {0x5114, 0x00},
+ {0x5152, 0xa3},
+ {0x5a52, 0x1f},
+ {0x5a1a, 0x0e},
+ {0x5a1b, 0x10},
+ {0x5a1f, 0x0e},
+ {0x5a27, 0x0e},
+ {0x6002, 0x2e},
+};
+
+static const struct ov08x40_reg mode_3856x2416_regs[] = {
+ {0x5000, 0x5d},
+ {0x5001, 0x20},
+ {0x5008, 0xb0},
+ {0x50c1, 0x00},
+ {0x53c1, 0x00},
+ {0x5f40, 0x00},
+ {0x5f41, 0x40},
+ {0x0300, 0x3a},
+ {0x0301, 0xc8},
+ {0x0302, 0x31},
+ {0x0303, 0x03},
+ {0x0304, 0x01},
+ {0x0305, 0xa1},
+ {0x0306, 0x04},
+ {0x0307, 0x01},
+ {0x0308, 0x03},
+ {0x0309, 0x03},
+ {0x0310, 0x0a},
+ {0x0311, 0x02},
+ {0x0312, 0x01},
+ {0x0313, 0x08},
+ {0x0314, 0x66},
+ {0x0315, 0x00},
+ {0x0316, 0x34},
+ {0x0320, 0x02},
+ {0x0321, 0x03},
+ {0x0323, 0x05},
+ {0x0324, 0x01},
+ {0x0325, 0xb8},
+ {0x0326, 0x4a},
+ {0x0327, 0x04},
+ {0x0329, 0x00},
+ {0x032a, 0x05},
+ {0x032b, 0x00},
+ {0x032c, 0x00},
+ {0x032d, 0x00},
+ {0x032e, 0x02},
+ {0x032f, 0xa0},
+ {0x0350, 0x00},
+ {0x0360, 0x01},
+ {0x1216, 0x60},
+ {0x1217, 0x5b},
+ {0x1218, 0x00},
+ {0x1220, 0x24},
+ {0x198a, 0x00},
+ {0x198b, 0x01},
+ {0x198e, 0x00},
+ {0x198f, 0x01},
+ {0x3009, 0x04},
+ {0x3012, 0x41},
+ {0x3015, 0x00},
+ {0x3016, 0xb0},
+ {0x3017, 0xf0},
+ {0x3018, 0xf0},
+ {0x3019, 0xd2},
+ {0x301a, 0xb0},
+ {0x301c, 0x81},
+ {0x301d, 0x02},
+ {0x301e, 0x80},
+ {0x3022, 0xf0},
+ {0x3025, 0x89},
+ {0x3030, 0x03},
+ {0x3044, 0xc2},
+ {0x3050, 0x35},
+ {0x3051, 0x60},
+ {0x3052, 0x25},
+ {0x3053, 0x00},
+ {0x3054, 0x00},
+ {0x3055, 0x02},
+ {0x3056, 0x80},
+ {0x3057, 0x80},
+ {0x3058, 0x80},
+ {0x3059, 0x00},
+ {0x3107, 0x86},
+ {0x3400, 0x1c},
+ {0x3401, 0x80},
+ {0x3402, 0x8c},
+ {0x3419, 0x13},
+ {0x341a, 0x89},
+ {0x341b, 0x30},
+ {0x3420, 0x00},
+ {0x3421, 0x00},
+ {0x3422, 0x00},
+ {0x3423, 0x00},
+ {0x3424, 0x00},
+ {0x3425, 0x00},
+ {0x3426, 0x00},
+ {0x3427, 0x00},
+ {0x3428, 0x0f},
+ {0x3429, 0x00},
+ {0x342a, 0x00},
+ {0x342b, 0x00},
+ {0x342c, 0x00},
+ {0x342d, 0x00},
+ {0x342e, 0x00},
+ {0x342f, 0x11},
+ {0x3430, 0x11},
+ {0x3431, 0x10},
+ {0x3432, 0x00},
+ {0x3433, 0x00},
+ {0x3434, 0x00},
+ {0x3435, 0x00},
+ {0x3436, 0x00},
+ {0x3437, 0x00},
+ {0x3442, 0x02},
+ {0x3443, 0x02},
+ {0x3444, 0x07},
+ {0x3450, 0x00},
+ {0x3451, 0x00},
+ {0x3452, 0x18},
+ {0x3453, 0x18},
+ {0x3454, 0x00},
+ {0x3455, 0x80},
+ {0x3456, 0x08},
+ {0x3500, 0x00},
+ {0x3501, 0x02},
+ {0x3502, 0x00},
+ {0x3504, 0x4c},
+ {0x3506, 0x30},
+ {0x3507, 0x00},
+ {0x3508, 0x01},
+ {0x3509, 0x00},
+ {0x350a, 0x01},
+ {0x350b, 0x00},
+ {0x350c, 0x00},
+ {0x3540, 0x00},
+ {0x3541, 0x01},
+ {0x3542, 0x00},
+ {0x3544, 0x4c},
+ {0x3546, 0x30},
+ {0x3547, 0x00},
+ {0x3548, 0x01},
+ {0x3549, 0x00},
+ {0x354a, 0x01},
+ {0x354b, 0x00},
+ {0x354c, 0x00},
+ {0x3688, 0x02},
+ {0x368a, 0x2e},
+ {0x368e, 0x71},
+ {0x3696, 0xd1},
+ {0x3699, 0x00},
+ {0x369a, 0x00},
+ {0x36a4, 0x00},
+ {0x36a6, 0x00},
+ {0x3711, 0x00},
+ {0x3712, 0x51},
+ {0x3713, 0x00},
+ {0x3714, 0x24},
+ {0x3716, 0x00},
+ {0x3718, 0x07},
+ {0x371a, 0x1c},
+ {0x371b, 0x00},
+ {0x3720, 0x08},
+ {0x3725, 0x32},
+ {0x3727, 0x05},
+ {0x3760, 0x02},
+ {0x3761, 0x17},
+ {0x3762, 0x02},
+ {0x3763, 0x02},
+ {0x3764, 0x02},
+ {0x3765, 0x2c},
+ {0x3766, 0x04},
+ {0x3767, 0x2c},
+ {0x3768, 0x02},
+ {0x3769, 0x00},
+ {0x376b, 0x20},
+ {0x376e, 0x03},
+ {0x37b0, 0x00},
+ {0x37b1, 0xab},
+ {0x37b2, 0x01},
+ {0x37b3, 0x82},
+ {0x37b4, 0x00},
+ {0x37b5, 0xe4},
+ {0x37b6, 0x01},
+ {0x37b7, 0xee},
+ {0x3800, 0x00},
+ {0x3801, 0x00},
+ {0x3802, 0x00},
+ {0x3803, 0x00},
+ {0x3804, 0x0f},
+ {0x3805, 0x1f},
+ {0x3806, 0x09},
+ {0x3807, 0x7f},
+ {0x3808, 0x0f},
+ {0x3809, 0x10},
+ {0x380a, 0x09},
+ {0x380b, 0x70},
+ {0x380c, 0x02},
+ {0x380d, 0x80},
+ {0x380e, 0x13},
+ {0x380f, 0x88},
+ {0x3810, 0x00},
+ {0x3811, 0x08},
+ {0x3812, 0x00},
+ {0x3813, 0x07},
+ {0x3814, 0x11},
+ {0x3815, 0x11},
+ {0x3820, 0x00},
+ {0x3821, 0x04},
+ {0x3822, 0x00},
+ {0x3823, 0x04},
+ {0x3828, 0x0f},
+ {0x382a, 0x80},
+ {0x382e, 0x41},
+ {0x3837, 0x08},
+ {0x383a, 0x81},
+ {0x383b, 0x81},
+ {0x383c, 0x11},
+ {0x383d, 0x11},
+ {0x383e, 0x00},
+ {0x383f, 0x38},
+ {0x3840, 0x00},
+ {0x3847, 0x00},
+ {0x384a, 0x00},
+ {0x384c, 0x02},
+ {0x384d, 0x80},
+ {0x3856, 0x50},
+ {0x3857, 0x30},
+ {0x3858, 0x80},
+ {0x3859, 0x40},
+ {0x3860, 0x00},
+ {0x3888, 0x00},
+ {0x3889, 0x00},
+ {0x388a, 0x00},
+ {0x388b, 0x00},
+ {0x388c, 0x00},
+ {0x388d, 0x00},
+ {0x388e, 0x00},
+ {0x388f, 0x00},
+ {0x3894, 0x00},
+ {0x3895, 0x00},
+ {0x3c84, 0x00},
+ {0x3d85, 0x8b},
+ {0x3daa, 0x80},
+ {0x3dab, 0x14},
+ {0x3dac, 0x80},
+ {0x3dad, 0xc8},
+ {0x3dae, 0x81},
+ {0x3daf, 0x7b},
+ {0x3f00, 0x10},
+ {0x3f01, 0x11},
+ {0x3f06, 0x0d},
+ {0x3f07, 0x0b},
+ {0x3f08, 0x0d},
+ {0x3f09, 0x0b},
+ {0x3f0a, 0x01},
+ {0x3f0b, 0x11},
+ {0x3f0c, 0x33},
+ {0x4001, 0x07},
+ {0x4007, 0x20},
+ {0x4008, 0x00},
+ {0x4009, 0x05},
+ {0x400a, 0x00},
+ {0x400b, 0x08},
+ {0x400c, 0x00},
+ {0x400d, 0x08},
+ {0x400e, 0x14},
+ {0x4010, 0xf4},
+ {0x4011, 0x03},
+ {0x4012, 0x55},
+ {0x4015, 0x00},
+ {0x4016, 0x2d},
+ {0x4017, 0x00},
+ {0x4018, 0x0f},
+ {0x401b, 0x08},
+ {0x401c, 0x00},
+ {0x401d, 0x10},
+ {0x401e, 0x02},
+ {0x401f, 0x00},
+ {0x4050, 0x06},
+ {0x4051, 0xff},
+ {0x4052, 0xff},
+ {0x4053, 0xff},
+ {0x4054, 0xff},
+ {0x4055, 0xff},
+ {0x4056, 0xff},
+ {0x4057, 0x7f},
+ {0x4058, 0x00},
+ {0x4059, 0x00},
+ {0x405a, 0x00},
+ {0x405b, 0x00},
+ {0x405c, 0x07},
+ {0x405d, 0xff},
+ {0x405e, 0x07},
+ {0x405f, 0xff},
+ {0x4080, 0x78},
+ {0x4081, 0x78},
+ {0x4082, 0x78},
+ {0x4083, 0x78},
+ {0x4019, 0x00},
+ {0x401a, 0x40},
+ {0x4020, 0x04},
+ {0x4021, 0x00},
+ {0x4022, 0x04},
+ {0x4023, 0x00},
+ {0x4024, 0x04},
+ {0x4025, 0x00},
+ {0x4026, 0x04},
+ {0x4027, 0x00},
+ {0x4030, 0x00},
+ {0x4031, 0x00},
+ {0x4032, 0x00},
+ {0x4033, 0x00},
+ {0x4034, 0x00},
+ {0x4035, 0x00},
+ {0x4036, 0x00},
+ {0x4037, 0x00},
+ {0x4040, 0x00},
+ {0x4041, 0x80},
+ {0x4042, 0x00},
+ {0x4043, 0x80},
+ {0x4044, 0x00},
+ {0x4045, 0x80},
+ {0x4046, 0x00},
+ {0x4047, 0x80},
+ {0x4060, 0x00},
+ {0x4061, 0x00},
+ {0x4062, 0x00},
+ {0x4063, 0x00},
+ {0x4064, 0x00},
+ {0x4065, 0x00},
+ {0x4066, 0x00},
+ {0x4067, 0x00},
+ {0x4068, 0x00},
+ {0x4069, 0x00},
+ {0x406a, 0x00},
+ {0x406b, 0x00},
+ {0x406c, 0x00},
+ {0x406d, 0x00},
+ {0x406e, 0x00},
+ {0x406f, 0x00},
+ {0x4070, 0x00},
+ {0x4071, 0x00},
+ {0x4072, 0x00},
+ {0x4073, 0x00},
+ {0x4074, 0x00},
+ {0x4075, 0x00},
+ {0x4076, 0x00},
+ {0x4077, 0x00},
+ {0x4078, 0x00},
+ {0x4079, 0x00},
+ {0x407a, 0x00},
+ {0x407b, 0x00},
+ {0x407c, 0x00},
+ {0x407d, 0x00},
+ {0x407e, 0x00},
+ {0x407f, 0x00},
+ {0x40e0, 0x00},
+ {0x40e1, 0x00},
+ {0x40e2, 0x00},
+ {0x40e3, 0x00},
+ {0x40e4, 0x00},
+ {0x40e5, 0x00},
+ {0x40e6, 0x00},
+ {0x40e7, 0x00},
+ {0x40e8, 0x00},
+ {0x40e9, 0x80},
+ {0x40ea, 0x00},
+ {0x40eb, 0x80},
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+ {0x5e8d, 0x75},
+ {0x5e8e, 0x75},
+ {0x5e8f, 0x75},
+ {0x5e90, 0x75},
+ {0x5e91, 0x75},
+ {0x5e92, 0x75},
+ {0x5e93, 0x75},
+ {0x5e94, 0x75},
+ {0x5e95, 0x75},
+ {0x5e96, 0x75},
+ {0x5e97, 0x75},
+ {0x5e98, 0x75},
+ {0x5e99, 0x75},
+ {0x5e9a, 0x75},
+ {0x5e9b, 0x75},
+ {0x5e9c, 0x75},
+ {0x5e9d, 0x75},
+ {0x5e9e, 0x75},
+ {0x5e9f, 0x75},
+ {0x5ea0, 0x75},
+ {0x5ea1, 0x75},
+ {0x5ea2, 0x75},
+ {0x5ea3, 0x75},
+ {0x5ea4, 0x75},
+ {0x5ea5, 0x75},
+ {0x5ea6, 0x75},
+ {0x5ea7, 0x75},
+ {0x5ea8, 0x75},
+ {0x5ea9, 0x75},
+ {0x5eaa, 0x75},
+ {0x5eab, 0x75},
+ {0x5eac, 0x75},
+ {0x5ead, 0x75},
+ {0x5eae, 0x75},
+ {0x5eaf, 0x75},
+ {0x5eb0, 0x75},
+ {0x5eb1, 0x75},
+ {0x5eb2, 0x75},
+ {0x5eb3, 0x75},
+ {0x5eb4, 0x75},
+ {0x5eb5, 0x75},
+ {0x5eb6, 0x75},
+ {0x5eb7, 0x75},
+ {0x5eb8, 0x75},
+ {0x5eb9, 0x75},
+ {0x5eba, 0x75},
+ {0x5ebb, 0x75},
+ {0x5ebc, 0x75},
+ {0x5ebd, 0x75},
+ {0x5ebe, 0x75},
+ {0x5ebf, 0x75},
+ {0x5ec0, 0x75},
+ {0x5ec1, 0x75},
+ {0x5ec2, 0x75},
+ {0x5ec3, 0x75},
+ {0x5ec4, 0x75},
+ {0x5ec5, 0x75},
+ {0x5ec6, 0x75},
+ {0x5ec7, 0x75},
+ {0x5ec8, 0x75},
+ {0x5ec9, 0x75},
+ {0x5eca, 0x75},
+ {0x5ecb, 0x75},
+ {0x5ecc, 0x75},
+ {0x5ecd, 0x75},
+ {0x5ece, 0x75},
+ {0x5ecf, 0x75},
+ {0x5ed0, 0x75},
+ {0x5ed1, 0x75},
+ {0x5ed2, 0x75},
+ {0x5ed3, 0x75},
+ {0x5ed4, 0x75},
+ {0x5ed5, 0x75},
+ {0x5ed6, 0x75},
+ {0x5ed7, 0x75},
+ {0x5ed8, 0x75},
+ {0x5ed9, 0x75},
+ {0x5eda, 0x75},
+ {0x5edb, 0x75},
+ {0x5edc, 0x75},
+ {0x5edd, 0x75},
+ {0x5ede, 0x75},
+ {0x5edf, 0x75},
+ {0x5ee0, 0x75},
+ {0x5ee1, 0x75},
+ {0x5ee2, 0x75},
+ {0x5ee3, 0x75},
+ {0x5ee4, 0x75},
+ {0x5ee5, 0x75},
+ {0x5ee6, 0x75},
+ {0x5ee7, 0x75},
+ {0x5ee8, 0x75},
+ {0x5ee9, 0x75},
+ {0x5eea, 0x75},
+ {0x5eeb, 0x75},
+ {0x5eec, 0x75},
+ {0x5eed, 0x75},
+ {0x5eee, 0x75},
+ {0x5eef, 0x75},
+ {0x5ef0, 0x75},
+ {0x5ef1, 0x75},
+ {0x5ef2, 0x75},
+ {0x5ef3, 0x75},
+ {0x5ef4, 0x75},
+ {0x5ef5, 0x75},
+ {0x5ef6, 0x75},
+ {0x5ef7, 0x75},
+ {0x5ef8, 0x75},
+ {0x5ef9, 0x75},
+ {0x5efa, 0x75},
+ {0x5efb, 0x75},
+ {0x5efc, 0x75},
+ {0x5efd, 0x75},
+ {0x5efe, 0x75},
+ {0x5eff, 0x75},
+ {0x5f00, 0x75},
+ {0x5f01, 0x75},
+ {0x5f02, 0x75},
+ {0x5f03, 0x75},
+ {0x5f04, 0x75},
+ {0x5f05, 0x75},
+ {0x5f06, 0x75},
+ {0x5f07, 0x75},
+ {0x5f08, 0x75},
+ {0x5f09, 0x75},
+ {0x5f0a, 0x75},
+ {0x5f0b, 0x75},
+ {0x5f0c, 0x75},
+ {0x5f0d, 0x75},
+ {0x5f0e, 0x75},
+ {0x5f0f, 0x75},
+ {0x5f10, 0x75},
+ {0x5f11, 0x75},
+ {0x5f12, 0x75},
+ {0x5f13, 0x75},
+ {0x5f14, 0x75},
+ {0x5f15, 0x75},
+ {0x5f16, 0x75},
+ {0x5f17, 0x75},
+ {0x5f18, 0x75},
+ {0x5f19, 0x75},
+ {0x5f1a, 0x75},
+ {0x5f1b, 0x75},
+ {0x5f1c, 0x75},
+ {0x5f1d, 0x75},
+ {0x5f1e, 0x75},
+ {0x5f1f, 0x75},
+};
+
+static const struct ov08x40_reg mode_1928x1208_regs[] = {
+ {0x5000, 0x55},
+ {0x5001, 0x00},
+ {0x5008, 0xb0},
+ {0x50c1, 0x00},
+ {0x53c1, 0x00},
+ {0x5f40, 0x00},
+ {0x5f41, 0x40},
+ {0x0300, 0x3a},
+ {0x0301, 0xc8},
+ {0x0302, 0x31},
+ {0x0303, 0x03},
+ {0x0304, 0x01},
+ {0x0305, 0xa1},
+ {0x0306, 0x04},
+ {0x0307, 0x01},
+ {0x0308, 0x03},
+ {0x0309, 0x03},
+ {0x0310, 0x0a},
+ {0x0311, 0x02},
+ {0x0312, 0x01},
+ {0x0313, 0x08},
+ {0x0314, 0x66},
+ {0x0315, 0x00},
+ {0x0316, 0x34},
+ {0x0320, 0x02},
+ {0x0321, 0x03},
+ {0x0323, 0x05},
+ {0x0324, 0x01},
+ {0x0325, 0xb8},
+ {0x0326, 0x4a},
+ {0x0327, 0x04},
+ {0x0329, 0x00},
+ {0x032a, 0x05},
+ {0x032b, 0x00},
+ {0x032c, 0x00},
+ {0x032d, 0x00},
+ {0x032e, 0x02},
+ {0x032f, 0xa0},
+ {0x0350, 0x00},
+ {0x0360, 0x01},
+ {0x1216, 0x60},
+ {0x1217, 0x5b},
+ {0x1218, 0x00},
+ {0x1220, 0x24},
+ {0x198a, 0x00},
+ {0x198b, 0x01},
+ {0x198e, 0x00},
+ {0x198f, 0x01},
+ {0x3009, 0x04},
+ {0x3012, 0x41},
+ {0x3015, 0x00},
+ {0x3016, 0xb0},
+ {0x3017, 0xf0},
+ {0x3018, 0xf0},
+ {0x3019, 0xd2},
+ {0x301a, 0xb0},
+ {0x301c, 0x81},
+ {0x301d, 0x02},
+ {0x301e, 0x80},
+ {0x3022, 0xf0},
+ {0x3025, 0x89},
+ {0x3030, 0x03},
+ {0x3044, 0xc2},
+ {0x3050, 0x35},
+ {0x3051, 0x60},
+ {0x3052, 0x25},
+ {0x3053, 0x00},
+ {0x3054, 0x00},
+ {0x3055, 0x02},
+ {0x3056, 0x80},
+ {0x3057, 0x80},
+ {0x3058, 0x80},
+ {0x3059, 0x00},
+ {0x3107, 0x86},
+ {0x3400, 0x1c},
+ {0x3401, 0x80},
+ {0x3402, 0x8c},
+ {0x3419, 0x08},
+ {0x341a, 0xaf},
+ {0x341b, 0x30},
+ {0x3420, 0x00},
+ {0x3421, 0x00},
+ {0x3422, 0x00},
+ {0x3423, 0x00},
+ {0x3424, 0x00},
+ {0x3425, 0x00},
+ {0x3426, 0x00},
+ {0x3427, 0x00},
+ {0x3428, 0x0f},
+ {0x3429, 0x00},
+ {0x342a, 0x00},
+ {0x342b, 0x00},
+ {0x342c, 0x00},
+ {0x342d, 0x00},
+ {0x342e, 0x00},
+ {0x342f, 0x11},
+ {0x3430, 0x11},
+ {0x3431, 0x10},
+ {0x3432, 0x00},
+ {0x3433, 0x00},
+ {0x3434, 0x00},
+ {0x3435, 0x00},
+ {0x3436, 0x00},
+ {0x3437, 0x00},
+ {0x3442, 0x02},
+ {0x3443, 0x02},
+ {0x3444, 0x07},
+ {0x3450, 0x00},
+ {0x3451, 0x00},
+ {0x3452, 0x18},
+ {0x3453, 0x18},
+ {0x3454, 0x00},
+ {0x3455, 0x80},
+ {0x3456, 0x08},
+ {0x3500, 0x00},
+ {0x3501, 0x02},
+ {0x3502, 0x00},
+ {0x3504, 0x4c},
+ {0x3506, 0x30},
+ {0x3507, 0x00},
+ {0x3508, 0x01},
+ {0x3509, 0x00},
+ {0x350a, 0x01},
+ {0x350b, 0x00},
+ {0x350c, 0x00},
+ {0x3540, 0x00},
+ {0x3541, 0x01},
+ {0x3542, 0x00},
+ {0x3544, 0x4c},
+ {0x3546, 0x30},
+ {0x3547, 0x00},
+ {0x3548, 0x01},
+ {0x3549, 0x00},
+ {0x354a, 0x01},
+ {0x354b, 0x00},
+ {0x354c, 0x00},
+ {0x3688, 0x02},
+ {0x368a, 0x2e},
+ {0x368e, 0x71},
+ {0x3696, 0xd1},
+ {0x3699, 0x00},
+ {0x369a, 0x00},
+ {0x36a4, 0x00},
+ {0x36a6, 0x00},
+ {0x3711, 0x00},
+ {0x3712, 0x50},
+ {0x3713, 0x00},
+ {0x3714, 0x21},
+ {0x3716, 0x00},
+ {0x3718, 0x07},
+ {0x371a, 0x1c},
+ {0x371b, 0x00},
+ {0x3720, 0x08},
+ {0x3725, 0x32},
+ {0x3727, 0x05},
+ {0x3760, 0x02},
+ {0x3761, 0x28},
+ {0x3762, 0x02},
+ {0x3763, 0x02},
+ {0x3764, 0x02},
+ {0x3765, 0x2c},
+ {0x3766, 0x04},
+ {0x3767, 0x2c},
+ {0x3768, 0x02},
+ {0x3769, 0x00},
+ {0x376b, 0x20},
+ {0x376e, 0x07},
+ {0x37b0, 0x01},
+ {0x37b1, 0x0f},
+ {0x37b2, 0x01},
+ {0x37b3, 0xd6},
+ {0x37b4, 0x01},
+ {0x37b5, 0x48},
+ {0x37b6, 0x02},
+ {0x37b7, 0x40},
+ {0x3800, 0x00},
+ {0x3801, 0x00},
+ {0x3802, 0x00},
+ {0x3803, 0x00},
+ {0x3804, 0x0f},
+ {0x3805, 0x1f},
+ {0x3806, 0x09},
+ {0x3807, 0x7f},
+ {0x3808, 0x07},
+ {0x3809, 0x88},
+ {0x380a, 0x04},
+ {0x380b, 0xb8},
+ {0x380c, 0x02},
+ {0x380d, 0xd0},
+ {0x380e, 0x11},
+ {0x380f, 0x5c},
+ {0x3810, 0x00},
+ {0x3811, 0x04},
+ {0x3812, 0x00},
+ {0x3813, 0x03},
+ {0x3814, 0x11},
+ {0x3815, 0x11},
+ {0x3820, 0x02},
+ {0x3821, 0x14},
+ {0x3822, 0x00},
+ {0x3823, 0x04},
+ {0x3828, 0x0f},
+ {0x382a, 0x80},
+ {0x382e, 0x41},
+ {0x3837, 0x08},
+ {0x383a, 0x81},
+ {0x383b, 0x81},
+ {0x383c, 0x11},
+ {0x383d, 0x11},
+ {0x383e, 0x00},
+ {0x383f, 0x38},
+ {0x3840, 0x00},
+ {0x3847, 0x00},
+ {0x384a, 0x00},
+ {0x384c, 0x02},
+ {0x384d, 0xd0},
+ {0x3856, 0x50},
+ {0x3857, 0x30},
+ {0x3858, 0x80},
+ {0x3859, 0x40},
+ {0x3860, 0x00},
+ {0x3888, 0x00},
+ {0x3889, 0x00},
+ {0x388a, 0x00},
+ {0x388b, 0x00},
+ {0x388c, 0x00},
+ {0x388d, 0x00},
+ {0x388e, 0x00},
+ {0x388f, 0x00},
+ {0x3894, 0x00},
+ {0x3895, 0x00},
+ {0x3c84, 0x00},
+ {0x3d85, 0x8b},
+ {0x3daa, 0x80},
+ {0x3dab, 0x14},
+ {0x3dac, 0x80},
+ {0x3dad, 0xc8},
+ {0x3dae, 0x81},
+ {0x3daf, 0x7b},
+ {0x3f00, 0x10},
+ {0x3f01, 0x11},
+ {0x3f06, 0x0d},
+ {0x3f07, 0x0b},
+ {0x3f08, 0x0d},
+ {0x3f09, 0x0b},
+ {0x3f0a, 0x01},
+ {0x3f0b, 0x11},
+ {0x3f0c, 0x33},
+ {0x4001, 0x07},
+ {0x4007, 0x20},
+ {0x4008, 0x00},
+ {0x4009, 0x05},
+ {0x400a, 0x00},
+ {0x400b, 0x04},
+ {0x400c, 0x00},
+ {0x400d, 0x04},
+ {0x400e, 0x14},
+ {0x4010, 0xf4},
+ {0x4011, 0x03},
+ {0x4012, 0x55},
+ {0x4015, 0x00},
+ {0x4016, 0x27},
+ {0x4017, 0x00},
+ {0x4018, 0x0f},
+ {0x401b, 0x08},
+ {0x401c, 0x00},
+ {0x401d, 0x10},
+ {0x401e, 0x02},
+ {0x401f, 0x00},
+ {0x4050, 0x06},
+ {0x4051, 0xff},
+ {0x4052, 0xff},
+ {0x4053, 0xff},
+ {0x4054, 0xff},
+ {0x4055, 0xff},
+ {0x4056, 0xff},
+ {0x4057, 0x7f},
+ {0x4058, 0x00},
+ {0x4059, 0x00},
+ {0x405a, 0x00},
+ {0x405b, 0x00},
+ {0x405c, 0x07},
+ {0x405d, 0xff},
+ {0x405e, 0x07},
+ {0x405f, 0xff},
+ {0x4080, 0x78},
+ {0x4081, 0x78},
+ {0x4082, 0x78},
+ {0x4083, 0x78},
+ {0x4019, 0x00},
+ {0x401a, 0x40},
+ {0x4020, 0x04},
+ {0x4021, 0x00},
+ {0x4022, 0x04},
+ {0x4023, 0x00},
+ {0x4024, 0x04},
+ {0x4025, 0x00},
+ {0x4026, 0x04},
+ {0x4027, 0x00},
+ {0x4030, 0x00},
+ {0x4031, 0x00},
+ {0x4032, 0x00},
+ {0x4033, 0x00},
+ {0x4034, 0x00},
+ {0x4035, 0x00},
+ {0x4036, 0x00},
+ {0x4037, 0x00},
+ {0x4040, 0x00},
+ {0x4041, 0x80},
+ {0x4042, 0x00},
+ {0x4043, 0x80},
+ {0x4044, 0x00},
+ {0x4045, 0x80},
+ {0x4046, 0x00},
+ {0x4047, 0x80},
+ {0x4060, 0x00},
+ {0x4061, 0x00},
+ {0x4062, 0x00},
+ {0x4063, 0x00},
+ {0x4064, 0x00},
+ {0x4065, 0x00},
+ {0x4066, 0x00},
+ {0x4067, 0x00},
+ {0x4068, 0x00},
+ {0x4069, 0x00},
+ {0x406a, 0x00},
+ {0x406b, 0x00},
+ {0x406c, 0x00},
+ {0x406d, 0x00},
+ {0x406e, 0x00},
+ {0x406f, 0x00},
+ {0x4070, 0x00},
+ {0x4071, 0x00},
+ {0x4072, 0x00},
+ {0x4073, 0x00},
+ {0x4074, 0x00},
+ {0x4075, 0x00},
+ {0x4076, 0x00},
+ {0x4077, 0x00},
+ {0x4078, 0x00},
+ {0x4079, 0x00},
+ {0x407a, 0x00},
+ {0x407b, 0x00},
+ {0x407c, 0x00},
+ {0x407d, 0x00},
+ {0x407e, 0x00},
+ {0x407f, 0x00},
+ {0x40e0, 0x00},
+ {0x40e1, 0x00},
+ {0x40e2, 0x00},
+ {0x40e3, 0x00},
+ {0x40e4, 0x00},
+ {0x40e5, 0x00},
+ {0x40e6, 0x00},
+ {0x40e7, 0x00},
+ {0x40e8, 0x00},
+ {0x40e9, 0x80},
+ {0x40ea, 0x00},
+ {0x40eb, 0x80},
+ {0x40ec, 0x00},
+ {0x40ed, 0x80},
+ {0x40ee, 0x00},
+ {0x40ef, 0x80},
+ {0x40f0, 0x02},
+ {0x40f1, 0x04},
+ {0x4300, 0x00},
+ {0x4301, 0x00},
+ {0x4302, 0x00},
+ {0x4303, 0x00},
+ {0x4304, 0x00},
+ {0x4305, 0x00},
+ {0x4306, 0x00},
+ {0x4307, 0x00},
+ {0x4308, 0x00},
+ {0x4309, 0x00},
+ {0x430a, 0x00},
+ {0x430b, 0xff},
+ {0x430c, 0xff},
+ {0x430d, 0x00},
+ {0x430e, 0x00},
+ {0x4315, 0x00},
+ {0x4316, 0x00},
+ {0x4317, 0x00},
+ {0x4318, 0x00},
+ {0x4319, 0x00},
+ {0x431a, 0x00},
+ {0x431b, 0x00},
+ {0x431c, 0x00},
+ {0x4500, 0x07},
+ {0x4501, 0x10},
+ {0x4502, 0x00},
+ {0x4503, 0x0f},
+ {0x4504, 0x80},
+ {0x4506, 0x01},
+ {0x4509, 0x05},
+ {0x450c, 0x00},
+ {0x450d, 0x20},
+ {0x450e, 0x00},
+ {0x450f, 0x00},
+ {0x4510, 0x00},
+ {0x4523, 0x00},
+ {0x4526, 0x00},
+ {0x4542, 0x00},
+ {0x4543, 0x00},
+ {0x4544, 0x00},
+ {0x4545, 0x00},
+ {0x4546, 0x00},
+ {0x4547, 0x10},
+ {0x4602, 0x00},
+ {0x4603, 0x15},
+ {0x460b, 0x07},
+ {0x4680, 0x11},
+ {0x4686, 0x00},
+ {0x4687, 0x00},
+ {0x4700, 0x00},
+ {0x4800, 0x64},
+ {0x4806, 0x40},
+ {0x480b, 0x10},
+ {0x480c, 0x80},
+ {0x480f, 0x32},
+ {0x4813, 0xe4},
+ {0x4837, 0x14},
+ {0x4850, 0x42},
+ {0x4884, 0x04},
+ {0x4c00, 0xf8},
+ {0x4c01, 0x44},
+ {0x4c03, 0x00},
+ {0x4d00, 0x00},
+ {0x4d01, 0x16},
+ {0x4d04, 0x10},
+ {0x4d05, 0x00},
+ {0x4d06, 0x0c},
+ {0x4d07, 0x00},
+ {0x3d84, 0x04},
+ {0x3680, 0xa4},
+ {0x3682, 0x80},
+ {0x3601, 0x40},
+ {0x3602, 0x90},
+ {0x3608, 0x0a},
+ {0x3938, 0x09},
+ {0x3a74, 0x84},
+ {0x3a99, 0x84},
+ {0x3ab9, 0xa6},
+ {0x3aba, 0xba},
+ {0x3b12, 0x84},
+ {0x3b14, 0xbb},
+ {0x3b15, 0xbf},
+ {0x3a29, 0x26},
+ {0x3a1f, 0x8a},
+ {0x3a22, 0x91},
+ {0x3a25, 0x96},
+ {0x3a28, 0xb4},
+ {0x3a2b, 0xba},
+ {0x3a2e, 0xbf},
+ {0x3a31, 0xc1},
+ {0x3a20, 0x05},
+ {0x3939, 0x6b},
+ {0x3902, 0x10},
+ {0x3903, 0x10},
+ {0x3904, 0x10},
+ {0x3905, 0x10},
+ {0x3906, 0x01},
+ {0x3907, 0x0b},
+ {0x3908, 0x10},
+ {0x3909, 0x13},
+ {0x360f, 0x99},
+ {0x390b, 0x11},
+ {0x390c, 0x21},
+ {0x390d, 0x32},
+ {0x390e, 0x76},
+ {0x3911, 0x90},
+ {0x3913, 0x90},
+ {0x3b3f, 0x9d},
+ {0x3b45, 0x9d},
+ {0x3b1b, 0xc9},
+ {0x3b21, 0xc9},
+ {0x3a1a, 0x1c},
+ {0x3a23, 0x15},
+ {0x3a26, 0x17},
+ {0x3a2c, 0x50},
+ {0x3a2f, 0x18},
+ {0x3a32, 0x4f},
+ {0x3ace, 0x01},
+ {0x3ad2, 0x01},
+ {0x3ad6, 0x01},
+ {0x3ada, 0x01},
+ {0x3ade, 0x01},
+ {0x3ae2, 0x01},
+ {0x3aee, 0x01},
+ {0x3af2, 0x01},
+ {0x3af6, 0x01},
+ {0x3afa, 0x01},
+ {0x3afe, 0x01},
+ {0x3b02, 0x01},
+ {0x3b06, 0x01},
+ {0x3b0a, 0x01},
+ {0x3b0b, 0x00},
+ {0x3b0e, 0x01},
+ {0x3b0f, 0x00},
+ {0x392c, 0x02},
+ {0x392d, 0x01},
+ {0x392e, 0x04},
+ {0x392f, 0x03},
+ {0x3930, 0x09},
+ {0x3931, 0x07},
+ {0x3932, 0x10},
+ {0x3933, 0x0d},
+ {0x3609, 0x08},
+ {0x3921, 0x0f},
+ {0x3928, 0x15},
+ {0x3929, 0x2a},
+ {0x392a, 0x52},
+ {0x392b, 0xa3},
+ {0x340b, 0x1b},
+ {0x3426, 0x10},
+ {0x3407, 0x01},
+ {0x3404, 0x01},
+ {0x3500, 0x00},
+ {0x3501, 0x08},
+ {0x3502, 0x10},
+ {0x3508, 0x04},
+ {0x3509, 0x00},
+};
+
+static const char * const ov08x40_test_pattern_menu[] = {
+ "Disabled",
+ "Vertical Color Bar Type 1",
+ "Vertical Color Bar Type 2",
+ "Vertical Color Bar Type 3",
+ "Vertical Color Bar Type 4"
+};
+
+/* Configurations for supported link frequencies */
+#define OV08X40_LINK_FREQ_400MHZ 400000000ULL
+
+#define OV08X40_EXT_CLK 19200000
+#define OV08X40_DATA_LANES 4
+
+/*
+ * pixel_rate = link_freq * data-rate * nr_of_lanes / bits_per_sample
+ * data rate => double data rate; number of lanes => 4; bits per pixel => 10
+ */
+static u64 link_freq_to_pixel_rate(u64 f)
+{
+ f *= 2 * OV08X40_DATA_LANES;
+ do_div(f, 10);
+
+ return f;
+}
+
+/* Menu items for LINK_FREQ V4L2 control */
+static const s64 link_freq_menu_items[] = {
+ OV08X40_LINK_FREQ_400MHZ,
+};
+
+/* Link frequency configs */
+static const struct ov08x40_link_freq_config link_freq_configs[] = {
+ [OV08X40_LINK_FREQ_400MHZ_INDEX] = {
+ .reg_list = {
+ .num_of_regs = ARRAY_SIZE(mipi_data_rate_800mbps),
+ .regs = mipi_data_rate_800mbps,
+ }
+ },
+};
+
+/* Mode configs */
+static const struct ov08x40_mode supported_modes[] = {
+ {
+ .width = 3856,
+ .height = 2416,
+ .vts_def = OV08X40_VTS_30FPS,
+ .vts_min = OV08X40_VTS_30FPS,
+ .lanes = 4,
+ .reg_list = {
+ .num_of_regs = ARRAY_SIZE(mode_3856x2416_regs),
+ .regs = mode_3856x2416_regs,
+ },
+ .link_freq_index = OV08X40_LINK_FREQ_400MHZ_INDEX,
+ },
+ {
+ .width = 1928,
+ .height = 1208,
+ .vts_def = OV08X40_VTS_BIN_30FPS,
+ .vts_min = OV08X40_VTS_BIN_30FPS,
+ .lanes = 4,
+ .reg_list = {
+ .num_of_regs = ARRAY_SIZE(mode_1928x1208_regs),
+ .regs = mode_1928x1208_regs,
+ },
+ .link_freq_index = OV08X40_LINK_FREQ_400MHZ_INDEX,
+ },
+};
+
+struct ov08x40 {
+ struct v4l2_subdev sd;
+ struct media_pad pad;
+
+ struct v4l2_ctrl_handler ctrl_handler;
+ /* V4L2 Controls */
+ struct v4l2_ctrl *link_freq;
+ struct v4l2_ctrl *pixel_rate;
+ struct v4l2_ctrl *vblank;
+ struct v4l2_ctrl *hblank;
+ struct v4l2_ctrl *exposure;
+
+ /* Current mode */
+ const struct ov08x40_mode *cur_mode;
+
+ /* Mutex for serialized access */
+ struct mutex mutex;
+
+ /* Streaming on/off */
+ bool streaming;
+};
+
+#define to_ov08x40(_sd) container_of(_sd, struct ov08x40, sd)
+
+/* Read registers up to 4 at a time */
+static int ov08x40_read_reg(struct ov08x40 *ov08x,
+ u16 reg, u32 len, u32 *val)
+{
+ struct i2c_client *client = v4l2_get_subdevdata(&ov08x->sd);
+ struct i2c_msg msgs[2];
+ u8 *data_be_p;
+ int ret;
+ __be32 data_be = 0;
+ __be16 reg_addr_be = cpu_to_be16(reg);
+
+ if (len > 4)
+ return -EINVAL;
+
+ data_be_p = (u8 *)&data_be;
+ /* Write register address */
+ msgs[0].addr = client->addr;
+ msgs[0].flags = 0;
+ msgs[0].len = 2;
+ msgs[0].buf = (u8 *)&reg_addr_be;
+
+ /* Read data from register */
+ msgs[1].addr = client->addr;
+ msgs[1].flags = I2C_M_RD;
+ msgs[1].len = len;
+ msgs[1].buf = &data_be_p[4 - len];
+
+ ret = i2c_transfer(client->adapter, msgs, ARRAY_SIZE(msgs));
+ if (ret != ARRAY_SIZE(msgs))
+ return -EIO;
+
+ *val = be32_to_cpu(data_be);
+
+ return 0;
+}
+
+/* Write registers up to 4 at a time */
+static int ov08x40_write_reg(struct ov08x40 *ov08x,
+ u16 reg, u32 len, u32 __val)
+{
+ struct i2c_client *client = v4l2_get_subdevdata(&ov08x->sd);
+ int buf_i, val_i;
+ u8 buf[6], *val_p;
+ __be32 val;
+
+ if (len > 4)
+ return -EINVAL;
+
+ buf[0] = reg >> 8;
+ buf[1] = reg & 0xff;
+
+ val = cpu_to_be32(__val);
+ val_p = (u8 *)&val;
+ buf_i = 2;
+ val_i = 4 - len;
+
+ while (val_i < 4)
+ buf[buf_i++] = val_p[val_i++];
+
+ if (i2c_master_send(client, buf, len + 2) != len + 2)
+ return -EIO;
+
+ return 0;
+}
+
+/* Write a list of registers */
+static int ov08x40_write_regs(struct ov08x40 *ov08x,
+ const struct ov08x40_reg *regs, u32 len)
+{
+ struct i2c_client *client = v4l2_get_subdevdata(&ov08x->sd);
+ int ret;
+ u32 i;
+
+ for (i = 0; i < len; i++) {
+ ret = ov08x40_write_reg(ov08x, 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;
+}
+
+static int ov08x40_write_reg_list(struct ov08x40 *ov08x,
+ const struct ov08x40_reg_list *r_list)
+{
+ return ov08x40_write_regs(ov08x, r_list->regs, r_list->num_of_regs);
+}
+
+static int ov08x40_open(struct v4l2_subdev *sd, struct v4l2_subdev_fh *fh)
+{
+ const struct ov08x40_mode *default_mode = &supported_modes[0];
+ struct ov08x40 *ov08x = to_ov08x40(sd);
+ struct v4l2_mbus_framefmt *try_fmt =
+ v4l2_subdev_get_try_format(sd, fh->state, 0);
+
+ mutex_lock(&ov08x->mutex);
+
+ /* Initialize try_fmt */
+ try_fmt->width = default_mode->width;
+ try_fmt->height = default_mode->height;
+ try_fmt->code = MEDIA_BUS_FMT_SGRBG10_1X10;
+ try_fmt->field = V4L2_FIELD_NONE;
+
+ /* No crop or compose */
+ mutex_unlock(&ov08x->mutex);
+
+ return 0;
+}
+
+static int ov08x40_update_digital_gain(struct ov08x40 *ov08x, u32 d_gain)
+{
+ int ret;
+ u32 val;
+
+ /*
+ * 0x350C[1:0], 0x350B[7:0], 0x350A[4:0]
+ */
+
+ val = (d_gain & OV08X40_DGTL_GAIN_L_MASK) << OV08X40_DGTL_GAIN_L_SHIFT;
+ ret = ov08x40_write_reg(ov08x, OV08X40_REG_DGTL_GAIN_L,
+ OV08X40_REG_VALUE_08BIT, val);
+ if (ret)
+ return ret;
+
+ val = (d_gain >> OV08X40_DGTL_GAIN_M_SHIFT) & OV08X40_DGTL_GAIN_M_MASK;
+ ret = ov08x40_write_reg(ov08x, OV08X40_REG_DGTL_GAIN_M,
+ OV08X40_REG_VALUE_08BIT, val);
+ if (ret)
+ return ret;
+
+ val = (d_gain >> OV08X40_DGTL_GAIN_H_SHIFT) & OV08X40_DGTL_GAIN_H_MASK;
+
+ return ov08x40_write_reg(ov08x, OV08X40_REG_DGTL_GAIN_H,
+ OV08X40_REG_VALUE_08BIT, val);
+}
+
+static int ov08x40_enable_test_pattern(struct ov08x40 *ov08x, u32 pattern)
+{
+ int ret;
+ u32 val;
+
+ ret = ov08x40_read_reg(ov08x, OV08X40_REG_TEST_PATTERN,
+ OV08X40_REG_VALUE_08BIT, &val);
+ if (ret)
+ return ret;
+
+ if (pattern) {
+ ret = ov08x40_read_reg(ov08x, OV08X40_REG_ISP,
+ OV08X40_REG_VALUE_08BIT, &val);
+ if (ret)
+ return ret;
+
+ ret = ov08x40_write_reg(ov08x, OV08X40_REG_ISP,
+ OV08X40_REG_VALUE_08BIT,
+ val | BIT(1));
+ if (ret)
+ return ret;
+
+ ret = ov08x40_read_reg(ov08x, OV08X40_REG_SHORT_TEST_PATTERN,
+ OV08X40_REG_VALUE_08BIT, &val);
+ if (ret)
+ return ret;
+
+ ret = ov08x40_write_reg(ov08x, OV08X40_REG_SHORT_TEST_PATTERN,
+ OV08X40_REG_VALUE_08BIT,
+ val | BIT(0));
+ if (ret)
+ return ret;
+
+ ret = ov08x40_read_reg(ov08x, OV08X40_REG_TEST_PATTERN,
+ OV08X40_REG_VALUE_08BIT, &val);
+ if (ret)
+ return ret;
+
+ val &= OV08X40_TEST_PATTERN_MASK;
+ val |= ((pattern - 1) << OV08X40_TEST_PATTERN_BAR_SHIFT) |
+ OV08X40_TEST_PATTERN_ENABLE;
+ } else {
+ val &= ~OV08X40_TEST_PATTERN_ENABLE;
+ }
+
+ return ov08x40_write_reg(ov08x, OV08X40_REG_TEST_PATTERN,
+ OV08X40_REG_VALUE_08BIT, val);
+}
+
+static int ov08x40_set_ctrl_hflip(struct ov08x40 *ov08x, u32 ctrl_val)
+{
+ int ret;
+ u32 val;
+
+ ret = ov08x40_read_reg(ov08x, OV08X40_REG_MIRROR,
+ OV08X40_REG_VALUE_08BIT, &val);
+ if (ret)
+ return ret;
+
+ return ov08x40_write_reg(ov08x, OV08X40_REG_MIRROR,
+ OV08X40_REG_VALUE_08BIT,
+ ctrl_val ? val | BIT(2) : val & ~BIT(2));
+}
+
+static int ov08x40_set_ctrl_vflip(struct ov08x40 *ov08x, u32 ctrl_val)
+{
+ int ret;
+ u32 val;
+
+ ret = ov08x40_read_reg(ov08x, OV08X40_REG_VFLIP,
+ OV08X40_REG_VALUE_08BIT, &val);
+ if (ret)
+ return ret;
+
+ return ov08x40_write_reg(ov08x, OV08X40_REG_VFLIP,
+ OV08X40_REG_VALUE_08BIT,
+ ctrl_val ? val | BIT(2) : val & ~BIT(2));
+}
+
+static int ov08x40_set_ctrl(struct v4l2_ctrl *ctrl)
+{
+ struct ov08x40 *ov08x = container_of(ctrl->handler,
+ struct ov08x40, ctrl_handler);
+ struct i2c_client *client = v4l2_get_subdevdata(&ov08x->sd);
+ s64 max;
+ int ret = 0;
+
+ /* Propagate change of current control to all related controls */
+ switch (ctrl->id) {
+ case V4L2_CID_VBLANK:
+ /* Update max exposure while meeting expected vblanking */
+ max = ov08x->cur_mode->height + ctrl->val - OV08X40_EXPOSURE_MAX_MARGIN;
+ __v4l2_ctrl_modify_range(ov08x->exposure,
+ ov08x->exposure->minimum,
+ max, ov08x->exposure->step, max);
+ break;
+ }
+
+ /*
+ * Applying V4L2 control value only happens
+ * when power is up for streaming
+ */
+ if (!pm_runtime_get_if_in_use(&client->dev))
+ return 0;
+
+ switch (ctrl->id) {
+ case V4L2_CID_ANALOGUE_GAIN:
+ ret = ov08x40_write_reg(ov08x, OV08X40_REG_ANALOG_GAIN,
+ OV08X40_REG_VALUE_16BIT,
+ ctrl->val << 1);
+ break;
+ case V4L2_CID_DIGITAL_GAIN:
+ ret = ov08x40_update_digital_gain(ov08x, ctrl->val);
+ break;
+ case V4L2_CID_EXPOSURE:
+ ret = ov08x40_write_reg(ov08x, OV08X40_REG_EXPOSURE,
+ OV08X40_REG_VALUE_24BIT,
+ ctrl->val);
+ break;
+ case V4L2_CID_VBLANK:
+ ret = ov08x40_write_reg(ov08x, OV08X40_REG_VTS,
+ OV08X40_REG_VALUE_16BIT,
+ ov08x->cur_mode->height
+ + ctrl->val);
+ break;
+ case V4L2_CID_TEST_PATTERN:
+ ret = ov08x40_enable_test_pattern(ov08x, ctrl->val);
+ break;
+ case V4L2_CID_HFLIP:
+ ov08x40_set_ctrl_hflip(ov08x, ctrl->val);
+ break;
+ case V4L2_CID_VFLIP:
+ ov08x40_set_ctrl_vflip(ov08x, ctrl->val);
+ break;
+ default:
+ dev_info(&client->dev,
+ "ctrl(id:0x%x,val:0x%x) is not handled\n",
+ ctrl->id, ctrl->val);
+ break;
+ }
+
+ pm_runtime_put(&client->dev);
+
+ return ret;
+}
+
+static const struct v4l2_ctrl_ops ov08x40_ctrl_ops = {
+ .s_ctrl = ov08x40_set_ctrl,
+};
+
+static int ov08x40_enum_mbus_code(struct v4l2_subdev *sd,
+ struct v4l2_subdev_state *sd_state,
+ struct v4l2_subdev_mbus_code_enum *code)
+{
+ /* Only one bayer order(GRBG) is supported */
+ if (code->index > 0)
+ return -EINVAL;
+
+ code->code = MEDIA_BUS_FMT_SGRBG10_1X10;
+
+ return 0;
+}
+
+static int ov08x40_enum_frame_size(struct v4l2_subdev *sd,
+ struct v4l2_subdev_state *sd_state,
+ struct v4l2_subdev_frame_size_enum *fse)
+{
+ if (fse->index >= ARRAY_SIZE(supported_modes))
+ return -EINVAL;
+
+ if (fse->code != MEDIA_BUS_FMT_SGRBG10_1X10)
+ 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 ov08x40_update_pad_format(const struct ov08x40_mode *mode,
+ struct v4l2_subdev_format *fmt)
+{
+ fmt->format.width = mode->width;
+ fmt->format.height = mode->height;
+ fmt->format.code = MEDIA_BUS_FMT_SGRBG10_1X10;
+ fmt->format.field = V4L2_FIELD_NONE;
+}
+
+static int ov08x40_do_get_pad_format(struct ov08x40 *ov08x,
+ struct v4l2_subdev_state *sd_state,
+ struct v4l2_subdev_format *fmt)
+{
+ struct v4l2_mbus_framefmt *framefmt;
+ struct v4l2_subdev *sd = &ov08x->sd;
+
+ if (fmt->which == V4L2_SUBDEV_FORMAT_TRY) {
+ framefmt = v4l2_subdev_get_try_format(sd, sd_state, fmt->pad);
+ fmt->format = *framefmt;
+ } else {
+ ov08x40_update_pad_format(ov08x->cur_mode, fmt);
+ }
+
+ return 0;
+}
+
+static int ov08x40_get_pad_format(struct v4l2_subdev *sd,
+ struct v4l2_subdev_state *sd_state,
+ struct v4l2_subdev_format *fmt)
+{
+ struct ov08x40 *ov08x = to_ov08x40(sd);
+ int ret;
+
+ mutex_lock(&ov08x->mutex);
+ ret = ov08x40_do_get_pad_format(ov08x, sd_state, fmt);
+ mutex_unlock(&ov08x->mutex);
+
+ return ret;
+}
+
+static int
+ov08x40_set_pad_format(struct v4l2_subdev *sd,
+ struct v4l2_subdev_state *sd_state,
+ struct v4l2_subdev_format *fmt)
+{
+ struct ov08x40 *ov08x = to_ov08x40(sd);
+ const struct ov08x40_mode *mode;
+ struct v4l2_mbus_framefmt *framefmt;
+ s32 vblank_def;
+ s32 vblank_min;
+ s64 h_blank;
+ s64 pixel_rate;
+ s64 link_freq;
+
+ mutex_lock(&ov08x->mutex);
+
+ /* Only one raw bayer(GRBG) order is supported */
+ if (fmt->format.code != MEDIA_BUS_FMT_SGRBG10_1X10)
+ fmt->format.code = MEDIA_BUS_FMT_SGRBG10_1X10;
+
+ mode = v4l2_find_nearest_size(supported_modes,
+ ARRAY_SIZE(supported_modes),
+ width, height,
+ fmt->format.width, fmt->format.height);
+ ov08x40_update_pad_format(mode, fmt);
+ if (fmt->which == V4L2_SUBDEV_FORMAT_TRY) {
+ framefmt = v4l2_subdev_get_try_format(sd, sd_state, fmt->pad);
+ *framefmt = fmt->format;
+ } else {
+ ov08x->cur_mode = mode;
+ __v4l2_ctrl_s_ctrl(ov08x->link_freq, mode->link_freq_index);
+ link_freq = link_freq_menu_items[mode->link_freq_index];
+ pixel_rate = link_freq_to_pixel_rate(link_freq);
+ __v4l2_ctrl_s_ctrl_int64(ov08x->pixel_rate, pixel_rate);
+
+ /* Update limits and set FPS to default */
+ vblank_def = ov08x->cur_mode->vts_def -
+ ov08x->cur_mode->height;
+ vblank_min = ov08x->cur_mode->vts_min -
+ ov08x->cur_mode->height;
+ __v4l2_ctrl_modify_range(ov08x->vblank, vblank_min,
+ OV08X40_VTS_MAX
+ - ov08x->cur_mode->height,
+ 1,
+ vblank_def);
+ __v4l2_ctrl_s_ctrl(ov08x->vblank, vblank_def);
+ h_blank =
+ link_freq_configs[mode->link_freq_index].pixels_per_line
+ - ov08x->cur_mode->width;
+ __v4l2_ctrl_modify_range(ov08x->hblank, h_blank,
+ h_blank, 1, h_blank);
+ }
+
+ mutex_unlock(&ov08x->mutex);
+
+ return 0;
+}
+
+static int ov08x40_start_streaming(struct ov08x40 *ov08x)
+{
+ struct i2c_client *client = v4l2_get_subdevdata(&ov08x->sd);
+ const struct ov08x40_reg_list *reg_list;
+ int ret, link_freq_index;
+
+ /* Get out of from software reset */
+ ret = ov08x40_write_reg(ov08x, OV08X40_REG_SOFTWARE_RST,
+ OV08X40_REG_VALUE_08BIT, OV08X40_SOFTWARE_RST);
+ if (ret) {
+ dev_err(&client->dev, "%s failed to set powerup registers\n",
+ __func__);
+ return ret;
+ }
+
+ link_freq_index = ov08x->cur_mode->link_freq_index;
+ reg_list = &link_freq_configs[link_freq_index].reg_list;
+
+ ret = ov08x40_write_reg_list(ov08x, reg_list);
+ if (ret) {
+ dev_err(&client->dev, "%s failed to set plls\n", __func__);
+ return ret;
+ }
+
+ /* Apply default values of current mode */
+ reg_list = &ov08x->cur_mode->reg_list;
+ ret = ov08x40_write_reg_list(ov08x, reg_list);
+ 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(ov08x->sd.ctrl_handler);
+ if (ret)
+ return ret;
+
+ return ov08x40_write_reg(ov08x, OV08X40_REG_MODE_SELECT,
+ OV08X40_REG_VALUE_08BIT,
+ OV08X40_MODE_STREAMING);
+}
+
+/* Stop streaming */
+static int ov08x40_stop_streaming(struct ov08x40 *ov08x)
+{
+ return ov08x40_write_reg(ov08x, OV08X40_REG_MODE_SELECT,
+ OV08X40_REG_VALUE_08BIT, OV08X40_MODE_STANDBY);
+}
+
+static int ov08x40_set_stream(struct v4l2_subdev *sd, int enable)
+{
+ struct ov08x40 *ov08x = to_ov08x40(sd);
+ struct i2c_client *client = v4l2_get_subdevdata(sd);
+ int ret = 0;
+
+ mutex_lock(&ov08x->mutex);
+ if (ov08x->streaming == enable) {
+ mutex_unlock(&ov08x->mutex);
+ return 0;
+ }
+
+ if (enable) {
+ ret = pm_runtime_resume_and_get(&client->dev);
+ if (ret < 0)
+ goto err_unlock;
+
+ /*
+ * Apply default & customized values
+ * and then start streaming.
+ */
+ ret = ov08x40_start_streaming(ov08x);
+ if (ret)
+ goto err_rpm_put;
+ } else {
+ ov08x40_stop_streaming(ov08x);
+ pm_runtime_put(&client->dev);
+ }
+
+ ov08x->streaming = enable;
+ mutex_unlock(&ov08x->mutex);
+
+ return ret;
+
+err_rpm_put:
+ pm_runtime_put(&client->dev);
+err_unlock:
+ mutex_unlock(&ov08x->mutex);
+
+ return ret;
+}
+
+static int __maybe_unused ov08x40_suspend(struct device *dev)
+{
+ struct v4l2_subdev *sd = dev_get_drvdata(dev);
+ struct ov08x40 *ov08x = to_ov08x40(sd);
+
+ if (ov08x->streaming)
+ ov08x40_stop_streaming(ov08x);
+
+ return 0;
+}
+
+static int __maybe_unused ov08x40_resume(struct device *dev)
+{
+ struct v4l2_subdev *sd = dev_get_drvdata(dev);
+ struct ov08x40 *ov08x = to_ov08x40(sd);
+ int ret;
+
+ if (ov08x->streaming) {
+ ret = ov08x40_start_streaming(ov08x);
+ if (ret)
+ goto error;
+ }
+
+ return 0;
+
+error:
+ ov08x40_stop_streaming(ov08x);
+ ov08x->streaming = false;
+ return ret;
+}
+
+/* Verify chip ID */
+static int ov08x40_identify_module(struct ov08x40 *ov08x)
+{
+ struct i2c_client *client = v4l2_get_subdevdata(&ov08x->sd);
+ int ret;
+ u32 val;
+
+ ret = ov08x40_read_reg(ov08x, OV08X40_REG_CHIP_ID,
+ OV08X40_REG_VALUE_24BIT, &val);
+ if (ret)
+ return ret;
+
+ if (val != OV08X40_CHIP_ID) {
+ dev_err(&client->dev, "chip id mismatch: %x!=%x\n",
+ OV08X40_CHIP_ID, val);
+ return -EIO;
+ }
+
+ return 0;
+}
+
+static const struct v4l2_subdev_video_ops ov08x40_video_ops = {
+ .s_stream = ov08x40_set_stream,
+};
+
+static const struct v4l2_subdev_pad_ops ov08x40_pad_ops = {
+ .enum_mbus_code = ov08x40_enum_mbus_code,
+ .get_fmt = ov08x40_get_pad_format,
+ .set_fmt = ov08x40_set_pad_format,
+ .enum_frame_size = ov08x40_enum_frame_size,
+};
+
+static const struct v4l2_subdev_ops ov08x40_subdev_ops = {
+ .video = &ov08x40_video_ops,
+ .pad = &ov08x40_pad_ops,
+};
+
+static const struct media_entity_operations ov08x40_subdev_entity_ops = {
+ .link_validate = v4l2_subdev_link_validate,
+};
+
+static const struct v4l2_subdev_internal_ops ov08x40_internal_ops = {
+ .open = ov08x40_open,
+};
+
+static int ov08x40_init_controls(struct ov08x40 *ov08x)
+{
+ struct i2c_client *client = v4l2_get_subdevdata(&ov08x->sd);
+ struct v4l2_fwnode_device_properties props;
+ struct v4l2_ctrl_handler *ctrl_hdlr;
+ s64 exposure_max;
+ s64 vblank_def;
+ s64 vblank_min;
+ s64 hblank;
+ s64 pixel_rate_min;
+ s64 pixel_rate_max;
+ const struct ov08x40_mode *mode;
+ u32 max;
+ int ret;
+
+ ctrl_hdlr = &ov08x->ctrl_handler;
+ ret = v4l2_ctrl_handler_init(ctrl_hdlr, 10);
+ if (ret)
+ return ret;
+
+ mutex_init(&ov08x->mutex);
+ ctrl_hdlr->lock = &ov08x->mutex;
+ max = ARRAY_SIZE(link_freq_menu_items) - 1;
+ ov08x->link_freq = v4l2_ctrl_new_int_menu(ctrl_hdlr,
+ &ov08x40_ctrl_ops,
+ V4L2_CID_LINK_FREQ,
+ max,
+ 0,
+ link_freq_menu_items);
+ if (ov08x->link_freq)
+ ov08x->link_freq->flags |= V4L2_CTRL_FLAG_READ_ONLY;
+
+ pixel_rate_max = link_freq_to_pixel_rate(link_freq_menu_items[0]);
+ pixel_rate_min = 0;
+ /* By default, PIXEL_RATE is read only */
+ ov08x->pixel_rate = v4l2_ctrl_new_std(ctrl_hdlr, &ov08x40_ctrl_ops,
+ V4L2_CID_PIXEL_RATE,
+ pixel_rate_min, pixel_rate_max,
+ 1, pixel_rate_max);
+
+ mode = ov08x->cur_mode;
+ vblank_def = mode->vts_def - mode->height;
+ vblank_min = mode->vts_min - mode->height;
+ ov08x->vblank = v4l2_ctrl_new_std(ctrl_hdlr, &ov08x40_ctrl_ops,
+ V4L2_CID_VBLANK,
+ vblank_min,
+ OV08X40_VTS_MAX - mode->height, 1,
+ vblank_def);
+
+ hblank = link_freq_configs[mode->link_freq_index].pixels_per_line -
+ mode->width;
+ ov08x->hblank = v4l2_ctrl_new_std(ctrl_hdlr, &ov08x40_ctrl_ops,
+ V4L2_CID_HBLANK,
+ hblank, hblank, 1, hblank);
+ if (ov08x->hblank)
+ ov08x->hblank->flags |= V4L2_CTRL_FLAG_READ_ONLY;
+
+ exposure_max = mode->vts_def - OV08X40_EXPOSURE_MAX_MARGIN;
+ ov08x->exposure = v4l2_ctrl_new_std(ctrl_hdlr, &ov08x40_ctrl_ops,
+ V4L2_CID_EXPOSURE,
+ OV08X40_EXPOSURE_MIN,
+ exposure_max, OV08X40_EXPOSURE_STEP,
+ exposure_max);
+
+ v4l2_ctrl_new_std(ctrl_hdlr, &ov08x40_ctrl_ops, V4L2_CID_ANALOGUE_GAIN,
+ OV08X40_ANA_GAIN_MIN, OV08X40_ANA_GAIN_MAX,
+ OV08X40_ANA_GAIN_STEP, OV08X40_ANA_GAIN_DEFAULT);
+
+ /* Digital gain */
+ v4l2_ctrl_new_std(ctrl_hdlr, &ov08x40_ctrl_ops, V4L2_CID_DIGITAL_GAIN,
+ OV08X40_DGTL_GAIN_MIN, OV08X40_DGTL_GAIN_MAX,
+ OV08X40_DGTL_GAIN_STEP, OV08X40_DGTL_GAIN_DEFAULT);
+
+ v4l2_ctrl_new_std_menu_items(ctrl_hdlr, &ov08x40_ctrl_ops,
+ V4L2_CID_TEST_PATTERN,
+ ARRAY_SIZE(ov08x40_test_pattern_menu) - 1,
+ 0, 0, ov08x40_test_pattern_menu);
+
+ v4l2_ctrl_new_std(ctrl_hdlr, &ov08x40_ctrl_ops,
+ V4L2_CID_HFLIP, 0, 1, 1, 0);
+ v4l2_ctrl_new_std(ctrl_hdlr, &ov08x40_ctrl_ops,
+ V4L2_CID_VFLIP, 0, 1, 1, 0);
+
+ 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, &ov08x40_ctrl_ops,
+ &props);
+ if (ret)
+ goto error;
+
+ ov08x->sd.ctrl_handler = ctrl_hdlr;
+
+ return 0;
+
+error:
+ v4l2_ctrl_handler_free(ctrl_hdlr);
+ mutex_destroy(&ov08x->mutex);
+
+ return ret;
+}
+
+static void ov08x40_free_controls(struct ov08x40 *ov08x)
+{
+ v4l2_ctrl_handler_free(ov08x->sd.ctrl_handler);
+ mutex_destroy(&ov08x->mutex);
+}
+
+static int ov08x40_check_hwcfg(struct device *dev)
+{
+ struct v4l2_fwnode_endpoint bus_cfg = {
+ .bus_type = V4L2_MBUS_CSI2_DPHY
+ };
+ struct fwnode_handle *ep;
+ struct fwnode_handle *fwnode = dev_fwnode(dev);
+ unsigned int i, j;
+ int ret;
+ u32 ext_clk;
+
+ if (!fwnode)
+ return -ENXIO;
+
+ ret = fwnode_property_read_u32(dev_fwnode(dev), "clock-frequency",
+ &ext_clk);
+ if (ret) {
+ dev_err(dev, "can't get clock frequency");
+ return ret;
+ }
+
+ if (ext_clk != OV08X40_EXT_CLK) {
+ dev_err(dev, "external clock %d is not supported",
+ ext_clk);
+ return -EINVAL;
+ }
+
+ ep = fwnode_graph_get_next_endpoint(fwnode, NULL);
+ if (!ep)
+ return -ENXIO;
+
+ ret = v4l2_fwnode_endpoint_alloc_parse(ep, &bus_cfg);
+ fwnode_handle_put(ep);
+ if (ret)
+ return ret;
+
+ if (bus_cfg.bus.mipi_csi2.num_data_lanes != OV08X40_DATA_LANES) {
+ dev_err(dev, "number of CSI2 data lanes %d is not supported",
+ bus_cfg.bus.mipi_csi2.num_data_lanes);
+ ret = -EINVAL;
+ goto out_err;
+ }
+
+ if (!bus_cfg.nr_of_link_frequencies) {
+ dev_err(dev, "no link frequencies defined");
+ ret = -EINVAL;
+ goto out_err;
+ }
+
+ for (i = 0; i < ARRAY_SIZE(link_freq_menu_items); i++) {
+ for (j = 0; j < bus_cfg.nr_of_link_frequencies; j++) {
+ if (link_freq_menu_items[i] ==
+ bus_cfg.link_frequencies[j])
+ break;
+ }
+
+ if (j == bus_cfg.nr_of_link_frequencies) {
+ dev_err(dev, "no link frequency %lld supported",
+ link_freq_menu_items[i]);
+ ret = -EINVAL;
+ goto out_err;
+ }
+ }
+
+out_err:
+ v4l2_fwnode_endpoint_free(&bus_cfg);
+
+ return ret;
+}
+
+static int ov08x40_probe(struct i2c_client *client)
+{
+ struct ov08x40 *ov08x;
+ int ret;
+
+ /* Check HW config */
+ ret = ov08x40_check_hwcfg(&client->dev);
+ if (ret) {
+ dev_err(&client->dev, "failed to check hwcfg: %d", ret);
+ return ret;
+ }
+
+ ov08x = devm_kzalloc(&client->dev, sizeof(*ov08x), GFP_KERNEL);
+ if (!ov08x)
+ return -ENOMEM;
+
+ /* Initialize subdev */
+ v4l2_i2c_subdev_init(&ov08x->sd, client, &ov08x40_subdev_ops);
+
+ /* Check module identity */
+ ret = ov08x40_identify_module(ov08x);
+ if (ret) {
+ dev_err(&client->dev, "failed to find sensor: %d\n", ret);
+ return ret;
+ }
+
+ /* Set default mode to max resolution */
+ ov08x->cur_mode = &supported_modes[0];
+
+ ret = ov08x40_init_controls(ov08x);
+ if (ret)
+ return ret;
+
+ /* Initialize subdev */
+ ov08x->sd.internal_ops = &ov08x40_internal_ops;
+ ov08x->sd.flags |= V4L2_SUBDEV_FL_HAS_DEVNODE;
+ ov08x->sd.entity.ops = &ov08x40_subdev_entity_ops;
+ ov08x->sd.entity.function = MEDIA_ENT_F_CAM_SENSOR;
+
+ /* Initialize source pad */
+ ov08x->pad.flags = MEDIA_PAD_FL_SOURCE;
+ ret = media_entity_pads_init(&ov08x->sd.entity, 1, &ov08x->pad);
+ if (ret) {
+ dev_err(&client->dev, "%s failed:%d\n", __func__, ret);
+ goto error_handler_free;
+ }
+
+ ret = v4l2_async_register_subdev_sensor(&ov08x->sd);
+ if (ret < 0)
+ goto error_media_entity;
+
+ /*
+ * Device is already turned on by i2c-core with ACPI domain PM.
+ * Enable runtime PM and turn off the device.
+ */
+ pm_runtime_set_active(&client->dev);
+ pm_runtime_enable(&client->dev);
+ pm_runtime_idle(&client->dev);
+
+ return 0;
+
+error_media_entity:
+ media_entity_cleanup(&ov08x->sd.entity);
+
+error_handler_free:
+ ov08x40_free_controls(ov08x);
+
+ return ret;
+}
+
+static int ov08x40_remove(struct i2c_client *client)
+{
+ struct v4l2_subdev *sd = i2c_get_clientdata(client);
+ struct ov08x40 *ov08x = to_ov08x40(sd);
+
+ v4l2_async_unregister_subdev(sd);
+ media_entity_cleanup(&sd->entity);
+ ov08x40_free_controls(ov08x);
+
+ pm_runtime_disable(&client->dev);
+ pm_runtime_set_suspended(&client->dev);
+
+ return 0;
+}
+
+static const struct dev_pm_ops ov08x40_pm_ops = {
+ SET_SYSTEM_SLEEP_PM_OPS(ov08x40_suspend, ov08x40_resume)
+};
+
+#ifdef CONFIG_ACPI
+static const struct acpi_device_id ov08x40_acpi_ids[] = {
+ {"OVTI08F4"},
+ { /* sentinel */ }
+};
+
+MODULE_DEVICE_TABLE(acpi, ov08x40_acpi_ids);
+#endif
+
+static struct i2c_driver ov08x40_i2c_driver = {
+ .driver = {
+ .name = "ov08x40",
+ .pm = &ov08x40_pm_ops,
+ .acpi_match_table = ACPI_PTR(ov08x40_acpi_ids),
+ },
+ .probe_new = ov08x40_probe,
+ .remove = ov08x40_remove,
+};
+
+module_i2c_driver(ov08x40_i2c_driver);
+
+MODULE_AUTHOR("Jason Chen <jason.z.chen@intel.com>");
+MODULE_AUTHOR("Shawn Tu <shawnx.tu@intel.com>");
+MODULE_DESCRIPTION("OmniVision OV08X40 sensor driver");
+MODULE_LICENSE("GPL");
generated by cgit (git 2.34.1) at 2024-06-09 22:10:08 +0000